JP4837620B2 - Distributor connecting structure and connecting member - Google Patents

Description

The present invention realizes a distributor connecting structure for distributing an electric signal to a larger number of devices by connecting a plurality of distributors that distribute input electric signals to a plurality of devices, and the distributor connecting structure. about consolidated member for.

  2. Description of the Related Art Conventionally, a distributor that distributes electrical signals has been used to enable an electrical signal output from one electrical device to be input to a plurality of other electrical devices. FIG. 9 is a schematic perspective view showing a configuration example of a conventional distributor. In the conventional distributor 101 shown in the figure, a cylindrical input terminal 103 protrudes from one surface of a casing 102 having a substantially rectangular parallelepiped shape, and two cylindrical output terminals 104 and 105 protrude from the opposite surface. The configuration is made. By connecting one electrical device that outputs an electrical signal to the input terminal 103 of the distributor 101 with a cable, and connecting the output terminals 104 and 105 of the distributor 101 to two other electrical devices with a cable, respectively. The electric signal output from one electric device can be applied to the other two electric devices.

  Here, when it is necessary to input an electric signal output from one electric device to three other electric devices, the two distributors 101 may be connected and used. FIG. 10 is a schematic plan view showing a connection example of two distributors 101. For example, the output terminal of the electric device 151 that outputs an electric signal and the input terminal 103 of the first distributor 101 are connected by the cable 110. The output terminal 104 of the first distributor 101 and the input terminal of the electric device 152 are connected by the cable 111, and the output terminal 105 of the first distributor 101 and the input terminal 103 of the second distributor 101 are connected. Connect with cable 112. Further, the output terminal 104 of the second distributor 101 and the input terminal of the electric device 153 are connected by the cable 113, and the output terminal 105 of the second distributor 101 and the input terminal of the electric device 154 are connected by the cable 114. Connect with. Thereby, the electric signal which the electric equipment 151 outputs can be input into the three electric equipments 152-154.

Patent Document 1 proposes a highly reliable branching / distributing device that can reduce the number of work steps for attaching a coaxial cable and that does not cause contact failure or disconnection at a connecting portion. This branching / distributing device has the same configuration as that of the distributing device 101 shown in FIG. 9, and uses the same method as the connecting method shown in FIG. 10 to branch / distribute electric signals to more devices. can do.
Japanese Patent Laid-Open No. 10-112923

  In the case of the conventional distributor 101 shown in FIG. 9, the electrical signal can be distributed to the three devices 152 to 154 by connecting the two distributors 101 with cables as shown in FIG. However, there are cases where the two distributors 101 must be disposed close to each other due to restrictions such as a space for the placement. For example, when distributing a video signal output from an imaging device mounted on a vehicle to a plurality of ECUs (Electronic Control Units) disposed at appropriate positions of the vehicle, a distributor 101 and cables 110 to 114 are disposed. The space that can be done is greatly limited. In such a case, it is often necessary to arrange the two distributors 101 close to each other, for example, in a stacked manner.

  The cable 112 that connects the two distributors 101 needs to be bent in order to connect the two distributors 101 that are stacked, and because the space that can be disposed is limited, the length of the cable 112 is as short as possible. It is desirable. However, particularly when mounted on a vehicle, a cable that is strictly shielded is used as the cable 112 in order to shield the transmitted electrical signal from external noise, and cannot be bent easily. Therefore, the cable 112 needs to have a certain length, and there is a problem that it is difficult to arrange in a limited space such as a vehicle, and it is easy to arrange the two distributors 101 close to each other. There was a problem that could not be done.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a concave or convex input section and output section within a concave section formed on one surface of a polyhedral casing. A plurality of distributors each having a plurality of distributors, and a connecting member having a convex part provided with a connecting part connected to an input part and an output part of the distributor is fitted into the concave part of each distributor, and the connecting member is one. By adopting a configuration in which one output unit of a distributor is electrically connected to an input unit of another distributor, a plurality of distributors can be connected without being connected by a cable. and to provide a distributor communicating quite Zo及 beauty connecting member can be disposed in a small space.

  Another object of the present invention is that when two distributors are connected by a connecting member, the connecting member is provided with two convex portions and fitted into the concave portions of the two distributors, respectively. Connect one output part of one distributor to the input part of another distributor by a member, input an electrical signal to the input part of one distributor, and the other output part and others of one distributor. By providing an electrical signal output from the output section of the distributor, it is possible to connect two distributors and provide a distributor connection structure that can distribute one input electrical signal to three. There is to do.

  Further, another object of the present invention is to provide a shielding means for covering the other surface where the concave portion is not formed on the casing portion of the distributor so as to shield electric noise. It is an object of the present invention to provide a distributor connecting structure that is less susceptible to noise.

  Another object of the present invention is that the shielding member provided in the distributor covers the casing of the coupling member to shield the electrical noise, so that the coupling member can prevent the electrical noise. Even if it does not have a means to shield, it is providing a distributor connection structure which can shield a connection member with a distributor.

  Another object of the present invention is that when the input portion and the output portion of the distributor are convex, a metal cylindrical terminal member is formed on the convex portion of the housing portion of the connecting member. The terminal member is connected to the input portion and the output portion of the distributor by engaging the engaging claw portion provided in the receiving hole and engaging the conductive engagement portion formed in the receiving hole. It is to provide a distributor connecting structure in which a connecting portion connected to a convex input portion and an output portion can be easily provided on the convex portion of the connecting member by adopting a configuration as a connecting portion of the connecting member. .

  The distributor connection structure according to the first aspect of the present invention includes an input unit to which an electric signal is input and a plurality of output units for outputting the electric signal, and distributes the electric signal input from the input unit to the plurality of output units. A distributor connecting structure in which one output unit of one distributor is connected to an input unit of another distributor and the plurality of distributors are connected to each other. A connecting part having a polyhedral shape with recesses formed therein, the concave or convex input part and the output part being disposed in the concave part, and an electrical signal being input thereto; A plurality of connecting output units for outputting electrical signals, a casing unit provided with the connecting input unit and the connecting output unit, and formed in the casing unit, and fitted in the recesses of the distributor. A plurality of convex portions, an input portion of the distributor provided in each of the convex portions and disposed in the concave portion, and A plurality of convex or concave connection portions that are electrically connected by being fitted to the force portion, and a connection portion to which one output portion of one distributor is connected and an input portion of another distributor The connecting part to which the is connected is provided with a connecting member electrically connected, and the plurality of distributors are connected through the connecting member.

  In the distributor connecting structure according to the second aspect of the present invention, when connecting the two distributors, the connecting member has two protrusions, and the distributor is fitted into one protrusion. A connecting portion to which one output portion of the container is connected and a connecting portion to which an input portion of another distributor fitted to the other convex portion is connected, and the one distributor The connection portion to which the input portion of the first distributor is connected and the input portion for connection are electrically connected, and the connection portion to which the other output portion of the one distributor is connected and the output portion for connection are electrically connected. It is connected, The connection part to which the output part of the said other divider | distributor is connected, and the said connection output part are electrically connected, It is characterized by the above-mentioned.

  Further, the distributor connecting structure according to the third invention is characterized in that the distributor has a shielding means for shielding electrical noise by covering the other surface of the housing part where the recess is not formed. To do.

  In the distributor connecting structure according to the fourth aspect of the present invention, the casing of the connecting member has a polyhedral shape, and the shielding means of the distributor is provided when the convex portion of the connecting member is fitted into the concave portion. The convex part of the casing part of the connection member, the input part for connection, the output part for connection, and the surface where the connection part is not provided is covered.

  Further, in the distributor connecting structure according to the fifth aspect of the present invention, when the input part and the output part of the distributor are convex, the connecting member includes a metal cylindrical terminal member and the connecting member. A housing hole formed in the convex portion of the housing portion for housing the terminal member, an engaging claw portion formed in the terminal member, and formed in the housing hole and engaged with the engaging claw portion. The terminal member accommodated in the accommodation hole is used as the connection portion.

According to a sixth aspect of the present invention, there is provided a connecting member for connecting a plurality of distributors that respectively distribute inputted electric signals, and a connecting input section for inputting electric signals and outputting electric signals. A plurality of output parts for connection, a case part in which the input part for connection and the output part for connection are arranged, a plurality of convex parts formed in the case part, and provided in each of the convex parts, And a connecting portion electrically connected to the distributor.

  In the present invention, the distributor has a concave or convex input portion and output portion in a concave portion formed on one surface of a polyhedral casing. The connecting member that connects the plurality of distributors has a plurality of convex portions that fit into the concave portions of the distributor, and a connection portion that is connected to the input portion and the output portion of the distributor is provided on the convex portion. To do. Thereby, the convex part of a connection member and the recessed part of a divider | distributor can be fitted, and a some distributor can be connected with a connection member. Further, the connecting member is configured to electrically connect one output unit of one distributor among the plurality of connected distributors and an input unit of another distributor. Thereby, it becomes possible to distribute one electrical signal to many devices using a plurality of connected distributors. Since no cable is used to connect the distributors, a plurality of distributors can be easily placed in close proximity to a limited space.

  Further, in the present invention, when two distributors are connected by a connecting member, the connecting member is provided with two convex portions and fitted into the concave portions of the distributor. Further, the connecting member connects one output part of one distributor and an input part of another distributor, inputs an electric signal to the input part of one distributor, and outputs the other output of one distributor. And an electric signal from the output unit of another distributor. Thereby, since one input electric signal is distributed to three, the electric signal which one apparatus outputs can be given to three apparatuses.

  Moreover, in this invention, it is set as the structure which covers the surface in which the recessed part of the housing | casing part of a divider | distributor is not formed with the shielding means which shields an electrical noise. Thus, in both cases of using the distributor alone and connecting and using a plurality of distributors with the connecting member, it is possible to prevent the electric signal from being deteriorated by electrical noise in the distributor.

  In the present invention, when the convex part of the connecting member and the concave part of the distributor are fitted, the shielding means provided in the distributor covers the casing part of the connecting member and shields the electrical noise. The configuration. Thereby, when connecting and using a some divider | distributor with a connection member, it can prevent that an electrical signal deteriorates with an electrical noise in a connection member. The connecting member need not be provided with means for shielding electrical noise.

  Further, in the present invention, when the input part and the output part of the distributor have a convex shape, the metallic terminal member is accommodated in the accommodation hole formed in the convex part of the housing part of the connecting member. Is the connecting portion of the connecting member. Thereby, a concave connection part can be easily provided in the convex part of a connection member, and the convex input part and output part of a divider | distributor can be inserted and fitted in the cylinder of a terminal member. Moreover, the terminal claw part provided in the terminal member is engaged with the conductive engaged part formed in the accommodation hole, thereby fixing the terminal member to the accommodation hole. As a result, the terminal member does not fall out of the receiving hole, and the metal terminal member is electrically connected to the conductive engaged portion.

If according to the first invention and the sixth rounds Ming, a plurality of divider inputs and outputs are provided in a recess formed in the housing unit, an input unit and an output to the convex portion to be fitted into the recess It connects using the connection member provided with the connection part connected to a part, and it is set as the structure which electrically connects one output part of one distributor, and the input part of another distributor with a connection member. Thus, a plurality of distributors can be connected without using a cable, and one electrical signal can be distributed to many devices. Therefore, since a plurality of connected distributors can be easily arranged close to a small space, they can be easily arranged in a limited space such as a vehicle. The degree of freedom in laying cables to be connected can be increased.

  According to the second aspect of the present invention, when two distributors are connected by a connecting member, the connecting member is provided with two convex portions and fitted in the concave portions of the two distributors, and the connecting member Connecting one output unit of one distributor and the input unit of another distributor, inputting an electric signal to the input unit of one distributor, and outputting the other output unit and the other distributor of one distributor. With the configuration that outputs the electrical signal from the output unit of the two, the two distributors can be connected without using a cable, and the electrical signal output by one device can be easily and reliably supplied to the three devices. . Therefore, two distributors can be connected and arranged in a small space.

  According to the third aspect of the present invention, the surface of the distributor where the recess is not formed is covered with a shielding means for shielding electrical noise, so that the electrical signal is electrically transmitted by the distributor. Since it is possible to prevent deterioration due to noise, it is possible to increase the reliability of the distribution of the electric signal by the distributor, and a plurality of devices to which the distributed electric signal is given perform processing based on each high-quality electric signal. It can be carried out.

  Further, in the case of the fourth invention, when the convex part of the connecting member and the concave part of the distributor are fitted, the shielding means provided in the distributor covers the casing part of the connecting member and generates electrical noise. Even if the connecting member does not have a means for shielding electrical noise, the connecting member can prevent the electrical signal from being deteriorated by the electrical noise. The connection reliability of the plurality of distributors can be improved, and the quality of the electric signal distributed by the plurality of distributors can be maintained.

  According to the fifth aspect of the present invention, when the input portion and the output portion of the distributor have a convex shape, the cylindrical portion made of metal accommodated in the accommodation hole formed in the convex portion of the casing portion of the connecting member is formed. By setting the terminal member as the connecting portion of the connecting member, the concave connecting portion can be easily provided on the convex portion of the connecting member, so that the productivity of the connecting member can be increased. Further, by adopting a configuration in which the engaging claw provided on the terminal member is engaged with the conductive engaged portion formed in the receiving hole, the terminal member can be firmly fixed to the receiving hole, and the metal Since the made terminal member can be easily and reliably electrically connected to the conductive engaged portion, the reliability of the connecting member can be improved, and the input and output portions of the distributor and the connecting member The reliability of the connection with the connecting portion can be increased.

(Embodiment 1)
Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof. FIG. 1 is a schematic diagram showing a configuration example of an in-vehicle imaging system using a distributor coupling structure according to Embodiment 1 of the present invention. In the figure, reference numeral 100 denotes a vehicle, and a camera 151 is mounted near the front bumper of the vehicle 100 so that the front of the vehicle 100 is imaged by the camera 151. The camera 151 is configured to output a video signal related to the captured video, and the output video signal is provided to three ECUs 152 to 154 mounted at appropriate positions of the vehicle 100. In order to distribute one video signal output from the camera 151 to the three ECUs 152 to 154, the vehicle 100 includes two distributors 1 and a connecting member 3 that connects them.

  The distributor 1 has a function of distributing the video signal output from one device to two other devices, and one (or one set) input terminal to which the video signal is input and the distributed video. And two (or two sets) of output terminals for outputting signals. The connecting member 3 is connected to each terminal of the two distributors 1, and is connected to the camera 151 and the ECUs 152 to 154 via the video signal cable 5, and the video signal input from the camera 151 is distributed to the two distributors. The device 1 is distributed into three parts and output to the three ECUs 152 to 254. Although not shown in FIG. 1, when it is necessary to supply power to the distributor 1, the power supply unit mounted on the vehicle 100 and the connecting member 3 are connected by a power cable and connected. Power is supplied from the member 3 to the two distributors 1.

  FIG. 2 is a schematic diagram showing the configuration of the distributor 1 according to Embodiment 1 of the present invention. The distributor 1 has a substantially rectangular parallelepiped casing 11, and a recess 14 is provided on one surface (hereinafter referred to as a front surface) of the casing 11. The bottom surface of the recess 14 has a substantially rectangular shape, and 2 × 4 columnar metal terminals are arranged vertically and horizontally on the bottom surface. The eight metal terminals are one set, and the input terminals 21 and 22, the first output terminals 23 and 24, the second output terminals 25 and 26, and the power supply terminals 27 and 28 are arranged in order from one side. It protrudes (see FIG. 2 (a)). The distributor 1 distributes and outputs the electrical signals input from the input terminals 21 and 22 to the first output terminals 23 and 24 and the second output terminals 25 and 26, and operates the internal circuit. Electric power is supplied from power terminals 27 and 28.

  The distributor 1 according to the present embodiment is configured to distribute an LVDS (Low Voltage Differential Signaling) type video signal or an NTSC (National TV Standards Committee) type video signal as an electrical signal. The first output terminals 23 and 24 and the second output terminals 25 and 26 are each composed of two metal terminals. However, the present invention is not limited to this, and depending on the type of electric signal to be distributed, Also good. Further, the distributor 1 according to the present embodiment includes an electric circuit such as an amplifier and distributes an electric signal therein, so that power for operating the electric circuit is supplied from the power supply terminals 27 and 28. However, the present invention is not limited to this, and when the power is not required, such as when the signal is distributed by simply dividing the wiring into two, or when the signal is distributed using a transformer or the like, the distributor 1 is connected to the power supply terminal 27. , 28 may be omitted.

  The housing 11 of the distributor 1 is provided with a space for accommodating the circuit board 15 having a rectangular plate shape between the bottom surface of the recess 14 and the back surface of the housing 11. The eight metal terminals of the input terminals 21 and 22, the first output terminals 23 and 24, the second output terminals 25 and 26, and the power supply terminals 27 and 28 are connected and fixed to the circuit board 15 and formed on the bottom surface of the recess 14. Eight metal terminals protrude into the recess 14 through the eight through holes formed. The housing 11 of the distributor 1 is divided into a front side portion 12 and a back side portion 13 at a position from the back side of the side portion, and after the circuit board 15 is accommodated, the front side portion 12 and the back side portion 13. Is fixed by bonding with an adhesive, welding by heat processing, screwing, or the like (see FIG. 2B).

  The video signal cable 5 used for input / output of video signals has a configuration in which rectangular parallelepiped terminal portions 52 are provided at both ends of two signal lines 51, respectively. The terminal portion 52 has two signal lines 51 connected on one surface, and two female terminals 53 on the other surface. The two female terminals 53 are electrically connected to the two signal lines 51, respectively, and are formed in a concave shape into which one metal terminal protruding from the concave portion 14 of the distributor 1 is fitted. The configuration of the power cable 6 used for power supply is the same, and includes two power lines 61 for VCC and GND, a terminal section 62 provided at each end of the power line 61, and a terminal section 62. It has two female terminals 63 provided. The video signal cable 5 and the power supply cable 6 have substantially the same shape.

  The concave portion 14 of the distributor 1 has such a size and shape that the terminal portions 52 of the three video signal cables 5 and the terminal portions 62 of the one power supply cable 6 can be inserted side by side without any gap. The terminal portion 52 of the video signal cable 5 inserted into the concave portion 14 of the distributor 1 has input terminals 21 and 22, first output terminals 23 and 24, or second output terminals 25 and 26 that protrude from the concave portion 14. Any one of these metal terminals is inserted into and fitted into the two female terminals 53. Further, the terminal portion 62 of the power cable 6 inserted into the concave portion 14 of the distributor 1 is configured such that the power terminals 27 and 28 projecting from the concave portion 14 are inserted into the two female terminals 63 and fitted. is there.

  FIG. 3 is a schematic diagram for explaining signal distribution by the distributor 1 according to the first embodiment of the present invention. In FIG. 3, three video signal cables 5 and one power cable 6 are connected. A side view of the distributor 1 in this state is shown, and (b) shows a circuit configuration inside the distributor 1. When a video signal is input from the video signal cable 5 connected to the input terminals 21 and 22 of the distributor 1, the distributor 1 outputs the input video signal directly from the first output terminals 23 and 24. It is like that. The distributor 1 includes an amplifier 16, and the video signal input from the input terminals 21 and 22 is amplified by the amplifier 16 and output from the second output terminals 25 and 26. The amplifier 16 is mounted on the circuit board 15 so as to amplify a two-input input signal and output it as a two-output output signal, and operates with power supplied from power supply terminals 27 and 28.

  FIG. 4 is a schematic diagram for explaining an example of use of the distributor 1. Two distributors 1 are connected using a video signal cable 5, and one input video signal is distributed into three. An example of doing this is shown. In this example, two distributors 1 are used, but in order to distinguish them, in FIG. 4, one distributor is 1a and the other distributor is 1b. Similarly, five video signal cables 5 and two power supply cables 6 are used. In order to distinguish between these, the video signal cables are denoted by reference numerals 5a to 5e, and each power supply cable 6a and 6b is attached | subjected.

  In one distributor 1a, an input video signal cable 5a is connected to input terminals 21 and 22, an output video signal cable 5b is connected to first output terminals 23 and 24, and a second output terminal. The video signal cable 5c for connection is connected to 25 and 26, and the power cable 6a is connected to the power terminals 27 and 28. The other distributor 1 b is connected to the input video signals cable 5 c at the input terminals 21 and 22, is connected to the video signal cable 5 d for output at the first output terminals 23 and 24, and is connected to the second output terminal 25. , 26 are connected to the output video signal cable 5e, and the power supply terminals 27, 28 are connected to the power cable 6b.

  In this configuration, when a video signal is input from the video signal cable 5a to the input terminals 21 and 22 of one distributor 1a, the video signal is distributed by the distributor 1a. The distributed video signal is output from the first output terminals 23 and 24 to the video signal cable 5b and from the second output terminals 25 and 26 to the video signal cable 5c. To the input terminals 21 and 22 of the other distributor 1b. The distributor 1b distributes the video signals input from the input terminals 21 and 22 and outputs the video signals from the first output terminals 23 and 24 to the video signal cable 5d, and from the second output terminals 25 and 26 to the video signal cable. Output to 5e.

  As shown in FIG. 4, by connecting the two distributors 1a and 1b, the video signal input from the video signal cable 5a is distributed by the two distributors 1a and 1b and is used for three video signals. Output from the cables 5b, 5d, 5e. However, since this is equivalent to the conventional method shown in FIG. 10, there is a possibility that problems such as being unable to arrange in a small space as described above may occur. In order to solve this problem, in the distributor connecting structure according to the present invention, the two distributors 1 are connected using the connecting member 3.

  FIG. 5 is a schematic perspective view showing the configuration of the distributor coupling structure according to Embodiment 1 of the present invention, and FIG. 6 is a schematic diagram showing the configuration of the distributor coupling structure according to Embodiment 1 of the present invention. FIG. The connecting member 3 that connects the two distributors 1 has a substantially rectangular parallelepiped casing 31. A convex portion 32 having a substantially rectangular parallelepiped shape that fits into the concave portion 14 of the distributor 1 protrudes from one surface of the housing portion 31, and a convex portion 32 having the same configuration projects from the opposite surface. is there. The protruding end surface of each convex portion 32 has a substantially rectangular shape, and eight connection terminals 33 are arranged in a 2 × 4 matrix. The connection terminal 33 is a so-called female terminal that is a concave metal terminal that is externally fitted to a metal terminal that projects from the concave portion of the distributor 1. When the convex part 32 of the connecting member 3 is inserted and fitted into the concave part 14 of the distributor 1, the eight metal terminals protruding in the concave part 14 are inserted into the eight connection terminals 33 of the convex part 32 and fitted. It is supposed to match. The eight connection terminals 33 provided on each of the two convex portions 32 of the connecting member 3 are appropriately electrically connected within the connecting member 3 and are distributed to fit into the two convex portions 32 respectively. The device 1 is electrically connected.

  In addition, the housing portion 31 of the connecting member 3 has a recess 34 formed on the other surface where the protrusion 32 is not provided, and a recess 35 is formed on the opposite surface of this surface. The recess 34 is sized and shaped to accommodate the terminal portion 52 of one video signal cable 5 and the terminal portion 62 of one power supply cable 6 without any gaps. Column-shaped metal terminals are projected (only two are shown in FIG. 6). Of the four metal terminals, two metal terminals are input terminals 37 and 38 for inputting video signals, and are inserted into the two female terminals 53 of the video signal cable 5 inserted into the recess 34 to be electrically connected. Connected to each other. The other two metal terminals are power supply terminals 39 and 40 for supplying power, and are inserted into the two female terminals 63 of the power cable 6 inserted into the recess 34 so as to be electrically connected. It is.

  The recess 35 is sized and shaped so that the terminal portions 52 of the three video signal cables can be accommodated without gaps, and six cylindrical metal terminals protrude from the bottom surface of the recess 35. There are (only three are shown in FIG. 6). The six metal terminals are two in one set, and the three metal terminals are the first output terminals 41 and 42, the second output terminals 43 and 44, and the third output terminals 45 and 46 for outputting video signals, respectively. It is. The three sets of output terminals are inserted into and electrically connected to the two female terminals 53 of the video signal cable 5 inserted into the recess 35, respectively.

  In the casing 31 of the connecting member 3, the two input terminals 37 and 38 provided in the concave portion 34 and one convex portion 32 of the connecting member 3 (indicated by reference numeral 32 a in parentheses in FIG. 6). The two connection terminals 33 provided and connected to the input terminals 21 and 22 of one distributor 1 (1a) are electrically connected to each other. Two connecting terminals 33 provided on one convex portion 32a and connected to the first output terminals 23 and 24 of one distributor 1a, and provided on the other convex portion 32 (32b) and distributed on the other side The two connection terminals 33 connected to the input terminals 21 and 22 of the device 1 (1b) are electrically connected to each other.

  Also, two connection terminals provided on one convex portion 32a and connected to the second output terminals 25 and 26 of one distributor 1a, and two first output terminals 41 and 42 provided on the concave portion 35 are provided. Are electrically connected to each other. Two connection terminals 33 provided on the other convex portion 32b and connected to the first output terminals 23, 24 of the other distributor 1b, and two second output terminals 43, 44 provided on the concave portion 35, Are electrically connected to each other. Two connection terminals 33 provided on the other convex portion 32b and connected to the second output terminals 25 and 26 of the other distributor 1b, and two third output terminals 45 and 46 provided on the concave portion 35, Are electrically connected to each other.

  Furthermore, the power supply terminals 39 and 40 provided in the concave portion 34, the two connection terminals 33 provided on the one convex portion 32a and connected to the power supply terminals 27 and 28 of the one distributor 1a, and the other convex Two connection terminals 33 provided in the section 32b and connected to the power supply terminals 27 and 28 of the other distributor 1b are electrically connected to each other.

  By using the connecting member 3, one convex portion 32a of the connecting member 3 is fitted into the concave portion 14 of one distributor 1a, and the other convex portion 32b is fitted into the concave portion 14 of the other distributor 1b. Two distributors 1a and 1b can be connected. Video signals input from the video signal cable 5 connected to the input terminals 37 and 38 of the connecting member 3 are input to the input terminals 21 and 22 of the distributor 1a and are distributed by one distributor 1a. . The video signal distributed by one distributor 1a is output from the first output terminals 23 and 24 of the distributor 1a, and is input to the input terminals 21 and 22 of the other distributor 1b by the connecting member 31. And output from the second output terminals 25 and 26 of the distributor 1 a and output from the first output terminals 41 and 42 of the connecting member 3.

  The other distributor 1b to which the video signal is input from the input terminals 21 and 22 by the connecting member 3 distributes and outputs the input video signal. The video signal distributed by the distributor 1b is output from the first output terminals 23 and 24 of the distributor 1b, is output from the second output terminals 43 and 44 of the connecting member 3, and the second signal of the distributor 1b. Output from the output terminals 25 and 26 and output from the third output terminals 45 and 46 of the connecting member 3. In this way, the video signals input from the input terminals 37 and 38 of the connecting member 3 are distributed to the three video signals using the two distributors 1a and 1b connected by the connecting member 3, and connected. Output from the first output terminals 41, 42, the second output terminals 43, 44 and the third output terminals 45, 46 of the member 3.

  Further, in the distributor 1 according to the present embodiment, the housing 11 has a substantially rectangular parallelepiped shape, but five surfaces other than the surface on which the concave portion 14 is formed are shield members for shielding electrical noise. 11a. Note that the casing 11 of the distributor 1 is made of non-conductive synthetic resin or the like, and the shield member 11a can be made of, for example, a metal plate, metal foil, or conductive resin.

  In addition, the connection terminal 33 of the connecting member 3 according to the present embodiment is a concave female terminal that fits into a metal terminal protruding in the recess 14 of the distributor 1. In order to facilitate and improve the durability of the connection terminal 33, the connection terminal 33 manufactured as a separate member is incorporated into the coupling member 3. FIG. 7 is a schematic diagram illustrating the configuration of the connection terminal 33 of the connecting member 3 according to Embodiment 1 of the present invention, and shows an enlarged view of one connection terminal 33 provided on the convex portion 32 of the connecting member 3. Is. The connection terminal 33 manufactured as a separate member has a bottomed cylindrical tube portion 33p with a hole 33q formed on one end side, and extends from the other end of the tube portion 33p in the axial direction of the tube portion 33p. It is the structure which has the two engaging claw parts 33r provided. The cylindrical portion 33p is configured such that one metal terminal protruding from the concave portion 14 of the distributor 1 can be inserted into the hole portion 33q. A gap having a predetermined interval is provided between the two engaging claws 33r, and the two engaging claws 33r can be bent in the adjacent direction.

  The convex portion 32 of the connecting member 3 is formed with an accommodation hole 32p for inserting and accommodating a connection terminal 33 manufactured as a separate member. The accommodation hole 32p is a cylindrical hole having an inner diameter substantially equal to the outer diameter of the cylindrical portion 33p of the connection terminal 33, and an engaged portion 32q having a slightly larger inner diameter is provided in the inner portion of the accommodation hole 32p. It is. Further, the inner part of the engaged portion 32q and the inner portion of the accommodation hole 32p are made conductive by attaching a conductive member 32r such as metal foil or conductive resin. Further, the conductive member 32r attached to the inner surface of the accommodation hole 32p is electrically connected to the wiring pattern 32s in the housing 31 of the connecting member 3, and the other connection terminal 33 is connected via the wiring pattern 32s. Are connected to the receiving holes 32p or the input terminals 37 and 38. In the manufacturing process of the connecting member 3, the connecting terminal 33 manufactured as a separate member is inserted into the accommodation hole 32 p formed in the convex portion 32 of the connecting member 3 and assembled (see FIG. 7A).

  The connection terminal 33 inserted into the housing hole 32p of the convex portion 32 is configured so that the two engaging claws 33r engage with the engaged portion 32q of the housing hole 32p so that it cannot be removed from the housing hole 32p. It is. At this time, the engaging claw portion 33r of the connection terminal 33 comes into contact with the conductive member 32r attached to the engaged portion 33q of the receiving hole 32p, and the connection terminal 33 and the wiring pattern 32s are electrically connected. (See FIG. 7B). Thereby, the assembly of the connection terminal 33 of the connecting member 3 is completed, and for example, the input terminal 21 protruding from the concave portion 14 of the distributor 1 can be inserted and fitted into the hole 33q of the connection terminal 33 ( (Refer FIG.7 (c)).

  In the distributor connecting structure having the above configuration, the connection is made by using the connecting member 3 having the convex portion 32 fitted to the concave portion 14 of the distributor 1 without using the video signal cable 5 as shown in FIG. By doing so, the two distributors 1 can be easily connected, and one input video signal can be distributed to three video signals using the two distributors 1. Therefore, even in a vehicle having a limited installation space, the two distributors 1 can be easily arranged close to each other. Therefore, the distributor 1 and the video signal cable in the limited space are provided. The degree of freedom for laying 5 etc. can be increased. Further, since the distributor 1 has a configuration in which the shield member 11a covers a surface other than the surface on which the concave portion 14 of the housing 11 is formed, the video signal can be prevented from being deteriorated by electrical noise in the distributor 1. .

  In the present embodiment, the distributor 1 is configured to distribute one input video signal to two, but the present invention is not limited to this, and may be configured to distribute to three or more. In addition, the connecting member 3 is configured to connect the two distributors 1, but is not limited thereto, and may be configured to connect three or more distributors 1. In addition, a cylindrical metal terminal, so-called male terminal, is provided in the concave portion 14 of the distributor 1, and a female terminal is provided in the convex portion 32 of the connecting member 3, but the present invention is not limited to this. It is good also as a structure which provides a terminal and provides a male terminal in the connection member 3. FIG. Further, the distributor 1 and the connecting member 3 are configured to distribute the video signal output from the camera 151 mounted on the vehicle 100, but the present invention is not limited to this, and other signals may be distributed. Good. Further, the shapes of the distributor 1 and the connecting member 3 are examples, and are not limited thereto.

(Embodiment 2)
In the distributor connection structure according to the first embodiment, the electrical noise is shielded by covering the casing 11 of the distributor 1 with the shield member 11a. However, the connection member 3 has a countermeasure against the electrical noise. Was not. Similarly, it is possible to shield electrical noise by covering the casing 31 of the connecting member 3 with a shield member. However, since the manufacturing process of the connecting member 3 is complicated, the cost of the connecting member 3 is increased. May increase. The distributor connection structure according to the second embodiment is for solving this problem. FIG. 8 is a schematic perspective view showing the configuration of the distributor connecting structure according to Embodiment 2 of the present invention, where (a) shows a state before the distributor 201 is connected by the connecting member 3, and (b). Shows the state after connection.

  The connecting member 3 used in the distributor connecting structure according to the second embodiment has substantially the same configuration as the connecting member 3 according to the first embodiment, but is used in the distributor connecting structure according to the second embodiment. Distributor 201 has a configuration different from that of distributor 1 according to the first embodiment. In the distributor 201 according to the second embodiment, the shield member 211 that covers the housing 11 is formed of a metal plate. The shield member 211 that covers the housing 11 has an extended portion 212 that extends so as to surround the periphery of the opening of the housing 11, and the convex portion 32 of the connecting member 3 is inserted into the concave portion 14 of the distributor 201. In this case, the extended portion 212 of the shield member 211 covers substantially half of the casing portion 31 of the connecting member 3.

  That is, the extended portion 212 of one distributor 201 covers substantially half of the casing 31 of the connecting member 3, and the extended portion 212 of the other distributor 201 is the remaining approximately of the remaining casing 31 of the connecting member 3. In order to cover the half, the two distributors 201 are connected by the connecting member 3 so that the connecting member 3 is covered by the extended portion 212 of the shield member 211. However, notches 213 and 214 are formed in the extended portion 212 of the distributor 201 so as not to cover the recesses 34 and 35 provided in the housing portion 31 of the connecting member 3.

  In the distributor connecting structure according to the second embodiment having the above configuration, the extending portion 212 is provided on the shield member 211 of the distributor 201, and the extending portion 212 covers the casing portion 31 of the connecting member 3. By doing so, the connecting member 3 can be covered with the shield member 211 and the electrical noise can be shielded, so that it is possible to prevent the video signal from being deteriorated by the connecting member 3. In the second embodiment, only the shield member 211 of the distributor 201 is extended so as to cover the casing 31 of the connecting member 3. However, the present invention is not limited to this. It is good also as a structure which prevents a video signal from deteriorating in the connection member 3 by the shielding member which covers the housing | casing of a divider | distributor, and is comprised so that the recessed part of this may be formed deeply, and a half of the connection member 3 may be accommodated in a recessed part. .

  In addition, since the other structure of the divider | distributor connection structure which concerns on Embodiment 2 is the same as that of the divider | distributor connection structure which concerns on Embodiment 1, the same code | symbol is attached | subjected to a corresponding location and description is abbreviate | omitted. To do.

It is a schematic diagram which shows one structural example of the vehicle-mounted imaging system using the divider | distributor connection structure which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows the structure of the divider | distributor which concerns on Embodiment 1 of this invention. It is a schematic diagram for demonstrating the signal distribution by the divider | distributor which concerns on Embodiment 1 of this invention. It is a schematic diagram for demonstrating one usage example of a divider | distributor. It is a typical perspective view which shows the structure of the divider | distributor connection structure which concerns on Embodiment 1 of this invention. It is typical sectional drawing which shows the structure of the divider | distributor connection structure which concerns on Embodiment 1 of this invention. It is a schematic diagram which shows the structure of the connection terminal of the connection member which concerns on Embodiment 1 of this invention. It is a typical perspective view which shows the structure of the divider | distributor connection structure which concerns on Embodiment 2 of this invention. It is a typical perspective view which shows one structural example of the conventional divider | distributor. It is a schematic plan view which shows one connection example of two divider | distributors.

Explanation of symbols

1, 1a, 1b Distributor 3 Connecting member 5 Video signal cable 6 Power cable 11 Housing (housing)
11a Shield member (shielding means)
14 Recess 15 Circuit board 16 Amplifier 21, 22 Input terminal (input part)
23, 24 First output terminal (output unit)
25, 26 Second output terminal (output unit)
27, 28 Power supply terminal 31 Housing portion 32, 32a, 32b Protruding portion 32p Housing hole 32q Engaged portion 32r Conductive member 32s Wiring pattern 33 Connection terminal (connection portion, terminal member)
33p Tube part 33q Hole part 33r Engagement claw part 34, 35 Concave part 37, 38 Input terminal (connection input part)
39, 40 Power supply terminal 41, 42 First output terminal (connection output section)
43, 44 Second output terminal (connection output section)
45, 46 3rd output terminal (output part for connection)
51 Signal Line 52 Terminal Unit 53 Female Terminal 61 Power Supply Line 62 Terminal Unit 63 Female Terminal 100 Vehicle 151 Camera 152-154 ECU
201 Distributor 211 Shield member (shielding means)
212 Extension part 213, 214 Notch

Claims (6)

One distributor having an input unit to which an electric signal is input and a plurality of output units for outputting the electric signal, and a plurality of distributors for distributing the electric signal input from the input unit to the plurality of output units, In a distributor connecting structure in which one output unit is connected to an input unit of another distributor to connect the plurality of distributors,
The distributor has a polyhedron-shaped casing part having a concave part formed on one surface, and the concave or convex input part and output part are disposed in the concave part,
An input part for connection to which an electric signal is input, a plurality of output parts for connection to output an electric signal, a case part in which the input part for connection and the output part for connection are arranged, and formed in the case part A plurality of protrusions that fit into the recesses of the distributor, and are respectively fitted to the input and output portions of the distributor that are provided in the protrusions and disposed in the recesses. A plurality of connecting portions of convex or concave connected, and a connecting portion to which one output portion of one distributor is connected and a connecting portion to which an input portion of another distributor is connected electrically A connecting member connected,
A distributor connecting structure, wherein a plurality of distributors are connected through the connecting member. When connecting the two distributors,
The connecting member is
Having two convex parts,
The connection part to which one output part of one distributor fitted to one convex part is connected and the connection part to which the input part of another distributor fitted to the other convex part is connected are electrically Connected to the
The connecting portion to which the input portion of the one distributor is connected and the connecting input portion are electrically connected;
The connection part to which the other output part of the one distributor is connected and the connection output part are electrically connected,
The distributor connecting structure according to claim 1, wherein a connecting portion to which an output portion of the other distributor is connected and the connecting output portion are electrically connected. 3. The distributor according to claim 1, wherein the distributor includes a shielding unit that covers an other surface of the housing portion where the concave portion is not formed to shield electrical noise. Connected structure. The casing of the connecting member has a polyhedral shape,
When the convex portion of the connecting member is fitted in the concave portion, the shielding means of the distributor is configured such that the convex portion of the casing portion of the connecting member, the input portion for connection, the output portion for connection, and the The distributor connecting structure according to claim 3, wherein a surface on which the connecting portion is not provided is covered. When the input part and the output part of the distributor are convex,
The connecting member is
A terminal member having a cylindrical shape made of metal;
An accommodation hole for accommodating the terminal member, which is formed on the convex portion of the casing portion of the connection member;
An engaging claw formed on the terminal member;
A conductive engaged portion formed in the receiving hole and engaged with the engaging claw portion;
The distributor connection structure according to any one of claims 1 to 4, wherein the terminal member accommodated in the accommodation hole is used as the connection portion. A connecting member for connecting a plurality of distributors for distributing input electric signals,
An input unit for connection to which an electrical signal is input;
A plurality of connecting output units for outputting electrical signals;
A housing part in which the connecting input part and the connecting output part are arranged;
A plurality of convex portions formed on the housing portion;
A connecting member provided on each of the convex portions and electrically connected to the distributor.

Images