JP4859406B2 - Radio module mounting structure and seal - Google Patents

Description

  The present invention relates to a radio wave module mounting structure in which a radio wave module is attached to a license plate, and a seal for attaching the license plate to a vehicle body.

As a structure in which a radio module for an electronic license plate is attached to the license plate, the applicant has applied for Japanese Patent Application No. 2004-259687 and Japanese Patent Application No. 2005-129688. Among them, Japanese Patent Application No. 2004-259687 relates to a structure in which a radio wave module having a structure in which a battery cannot be replaced is attached to a license plate, and Japanese Patent Application No. 2005-129688 is a radio wave module having a structure in which a battery can be replaced. The present invention relates to a structure that can be attached to a plate. On the other hand, as a structure in which the license plate is attached to the vehicle body, at present, after the sealing member is attached to the vehicle body by a mounting bolt together with the license plate, the sealing member is fitted to the sealing member, and the license plate is attached to the vehicle body. It has a structure.

  By the way, in the mounting structure of the radio wave module described in Japanese Patent Application Nos. 2004-259687 and 2005-129688, the radio wave module is attached around the sealing member and the sealing member separately from the sealing member and the sealing member. For this reason, there is a problem of detracting from aesthetics. There is also a problem that the existence of the radio wave module is easily known to a third party, so that it is intentionally mischievous or stolen.

  The present invention has been made in view of the circumstances described above, and its purpose is to avoid damaging the aesthetics, and to make it easy for a third party to know the existence of a radio module. An object of the present invention is to provide a radio wave module mounting structure and a sealing seal that can be avoided in advance and intentionally mischiefed or stolen.

According to the first aspect of the present invention, the sealed casing is attached to the vehicle body by the mounting bolt together with the license plate, and the radio module main body is accommodated in the sealed casing so as to seal the mounting bolt. A sealing member and a sealing housing in a mode in which the sealing member is fitted to the sealing housing so as to seal the main body, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted to the sealing housing. The dimensions in the height direction and the dimension in the radial direction are such that the radio wave module main body is not accommodated after the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, and the sealing member is fitted to the sealing member. The sealing member, the sealing housing, and the height and radial dimensions are substantially the same.

  Accordingly, unlike the conventional one in which the radio wave module is attached around the sealing member and the sealing member, the radio wave module body is accommodated in the space between the sealing housing and the sealing member, so that the radio wave module is sealed. It can be attached to the license plate together with the body and the sealing member, so that it is possible to avoid damaging the aesthetics, and to intentionally avoid the fact that the existence of the radio module is easily known to a third party. Mischief or theft can be avoided in advance. Furthermore, it is possible to realize a structure in which the license plate cannot be removed unless the fitting of the sealing member to the sealing housing is broken, and it is possible to prevent the license plate from being stolen.

Further, according to the invention as set forth in claim 1, radio module body is accommodated in the sealed enclosure via the buffer member, radio module body has given load to sealing member by the buffer member. Thereby, the electric wave module main body can relieve the impact given from the outside, and the electric wave module main body can be protected mechanically. In addition, by constantly applying a load to the sealing member through the sealing housing and the radio module main body by the repulsive force of the buffer member, it is possible to prevent rattling between the sealing member and the radio module main body, It is also possible to prevent the sealing member from loosening or coming off.

According to the second aspect of the present invention, the battery capable of supplying operating power to the radio module is configured to be detachable so as to be aligned with the radio module on the surface of the license plate. As a result, operating power is supplied to the radio module from a battery (main battery) separate from the radio module, so that the product life as the radio module can be extended, and a battery ( By limiting the usage conditions of the sub-cell), the capacity can be reduced and the size can be reduced. Further, in this case, the battery protrudes from the surface of the license plate as a projection by attaching and detaching the battery so as to be aligned with the radio wave module on the surface of the license plate, but the volume thereof is minimized. You can also According to the third aspect of the present invention, the sealed housing is attached to the vehicle body by the mounting bolt together with the license plate, and the radio module main body is accommodated in the sealed housing so as to seal the mounting bolt, and the mounting bolt and A sealing member and a sealing housing in such a manner that the sealing member is fitted into the sealing housing so as to seal the radio module main body, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted into the sealing housing. An aspect in which the sealing member is fitted to the sealing member without accommodating the radio wave module main body after the sealing member is attached to the vehicle body with the number plate and the mounting bolt together with the body and the height dimension and the radial dimension. The sealing member, sealing case, and dimensions in the height direction and the radial direction in FIG. There are detachably configured so as to be aligned with respect to radio module at the surface of the license plate.

According to the invention described in claim 4, the sealed casing is attached to the vehicle body by the mounting bolt together with the license plate, and the radio module main body is accommodated in the sealed casing so as to seal the mounting bolt. A sealing member and a sealing housing in a mode in which the sealing member is fitted to the sealing housing so as to seal the main body, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted to the sealing housing. The dimensions in the height direction and the dimension in the radial direction are such that the radio wave module main body is not accommodated after the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, and the sealing member is fitted to the sealing member. It is configured in the dimension substantially equal sealing member and the sealing enclosure and the height direction dimension and the radial direction, Na batteries capable of supplying operating power to the radio module It is detachably configured for radio module at the rear surface of the bar plate. Thus, by the operating power is supplied to the radio module from the separate batteries and electric wave module (main battery), it is possible to increase the product life of the radio module and the battery of the integrated radio wave module By limiting the use conditions of the (sub battery), the capacity can be reduced and the size can be reduced. Further, in this case, the battery can be prevented from protruding from the surface of the license plate by being attached to and detached from the radio wave module on the back surface of the license plate.

  According to the invention described in claim 5, the battery is attached to or detached from the radio wave module in any of the upward direction, the lateral direction, and the downward direction of the license plate. Thereby, a battery can be attached or detached from either the upper direction, the horizontal direction, or the lower direction of the license plate.

According to the sixth aspect of the present invention, the sealed casing is attached to the vehicle body by the mounting bolt together with the license plate, and the radio module main body is accommodated in the sealed casing so as to seal the mounting bolt. A sealing member and a sealing housing in a mode in which the sealing member is fitted to the sealing housing so as to seal the main body, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted to the sealing housing. The dimensions in the height direction and the dimension in the radial direction are such that the radio wave module main body is not accommodated after the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, and the sealing member is fitted to the sealing member. sealing member and the sealing is constructed to the dimensions substantially equal to housing and the height direction dimension and the radial direction, Na antenna is pulled out from radio module body Is arranged closer to the surface of the bar plate is detachably configured capable of supplying battery operating power to the radio wave module against radio module so as to overlap the radio module in the surface of the license plate. Thus, by the antenna is disposed on a surface of the license plate is pulled out from the radio module body, it is possible to properly secure the antenna characteristics, moreover, separate batteries and electric wave module (main battery) By supplying operating power to the radio module, the product life of the radio module can be extended, and the capacity can be reduced by limiting the usage conditions of the battery (sub battery) integrated with the radio module. And can be downsized.

  Also, in this case, the battery is not directly placed on the surface of the license plate by attaching and detaching the battery to the radio module so that the battery overlaps the radio module on the surface of the license plate. be able to. In addition, since the size and position of the antenna are not limited to the size and position of the sealed casing, it is possible to increase the degree of freedom of the antenna, and further, by configuring the sealed casing and the sealing member from a metal material, Can also be ensured.

According to the invention described in claim 7, the battery and the sealing member are integrally formed. Thereby, the number of parts can be reduced.
According to the invention described in claim 8, the circuit board built in the radio module main body is composed of a multilayer substrate or a ceramic substrate made of thermoplastic resin. Thereby, the circuit board itself can be reduced in size.

  Thereby, the same effect as that described in claim 1 can be obtained. That is, by accommodating the radio module main body in the space between the sealing casing and the sealing member, the radio module can be attached to the license plate together with the sealing casing and the sealing member, and the appearance is not lost. In addition, it is possible to prevent the presence of the radio wave module from being easily known to a third party and to prevent the intentional mischief or theft. Furthermore, it is possible to realize a structure in which the license plate cannot be removed unless the fitting of the sealing member to the sealing housing is broken, and it is possible to prevent the license plate from being stolen.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 2 shows, as a cross-sectional plan view, a state in which a radio module for an electronic license plate (hereinafter simply referred to as a radio module) is disassembled. The radio wave module 1 includes a radio wave module main body 2, a buffer member 3, a sealing housing 4, and a sealing member 5 as constituent parts. still,
The sealing seal referred to in the present invention includes a sealing housing 4 and a sealing member 5.

  The radio wave module main body 2 has a housing 6 made of resin as a material, and includes a circuit board 7, a sub battery 8, and a connector 9. The circuit board 7 is composed of, for example, a multilayer substrate made of a thermoplastic resin that can be embedded in a chip or a ceramic substrate that can be mounted on a bare chip, and a patch antenna 10 formed on the surface (upper surface in FIG. 2), for example, with a conductor pattern. Are arranged, and circuit elements 11 constituting each functional block such as a control unit, a communication unit, and a storage unit are mounted on the back surface (the lower surface in FIG. 2).

  The sub-battery 8 is composed of a small coin-type battery, and its positive electrode is electrically connected to the circuit board via the arch-shaped terminal 12 and its negative electrode is connected to the circuit via the terminal (not shown). It is electrically connected to the substrate. The connection connector 9 has a structure in which a connection connector of a main battery casing, which will be described later in detail, is fitted, and two connection terminals 13a and 13b (see FIG. 4) are connected to the circuit board 7 via lead wires. It is connected. In addition, a concave space 17 that can accommodate a head portion 16a of a mounting bolt 16 for mounting the number plate 15 to the vehicle body is formed in the lower portion of the housing 6.

  The buffer member 3 is formed in an annular shape using a flexible material as a material. The sealing housing 4 is made of resin and is formed into a shape having a concave radio wave module main body accommodating portion 18 that can accommodate the radio wave module main body 2 and the buffer member 3 described above, and a mounting bolt 16 is inserted therethrough. The mounting bolt insertion hole 19 to be formed is formed.

  The sealing member 5 is made of resin as a material in the same manner as the sealing housing 4 described above, and has three tongue pieces 20 to 22 (showing the tongue pieces 20 and 21 in FIG. 2) extending downward. Is formed. In this case, the sealing member 5 has hook portions 23 to 25 formed in the above-described sealed casing 4 with hook portions 23 a to 22 a formed at the tips of the tongue pieces 20 to 22 (the hook portion 23 in FIG. 2). It is configured to be fitted to the sealed casing 4 by being hooked on the sealing casing 4.

  FIG. 3 schematically shows an aspect in which the radio wave module body 2, the buffer member 3, the sealing housing 4, and the sealing member 5 described above are assembled and attached to the license plate 15 as the radio wave module 1. Hereinafter, a procedure for assembling the radio wave module main body 2, the buffer member 3, the sealing housing 4 and the sealing member 5 will be described.

  First, the sealing housing 4 is arranged on the number plate 15 so that the mounting bolt insertion hole 19 formed in the sealing housing 4 and the mounting bolt insertion hole 26 formed in the number plate 15 coincide. The mounting bolt 16 is inserted into the mounting bolt insertion hole portion 19 of the sealing housing 4 and the mounting bolt insertion hole portion 26 of the license plate 15, and the sealing housing 4 is attached to the vehicle body together with the license plate 15. Mounted).

  Next, the buffer member 3 is accommodated in the radio wave module main body accommodating portion 18 of the sealing housing 4, and the radio wave module main body 2 is accommodated in the radio wave module main body accommodating portion 18 so as to seal the mounting bolt 16. And the nail | claw parts 20a-22a currently formed in the front-end | tip of the tongue piece parts 20-22 of the sealing member 5 are hooked by the hook parts 23-25 formed in the sealing housing | casing 4, and the sealing member 5 is an attachment bolt. 16 and the radio wave module main body 2 are fitted into the sealing housing 4 so as to be sealed.

  In the aspect in which the radio wave module 1 is configured by assembling the radio wave module body 2, the buffer member 3, the sealing housing 4, and the sealing member 5 in this way, the height dimension (“ H1 ”) and the radial dimension (indicated by“ R1 ”in FIG. 3) are the height dimension and radial direction in which the current sealing member is fitted to the current sealing member. It is almost the same size as

  FIG. 4 shows a mode in which the main battery is attached to and detached from the radio wave module 1 attached to the vehicle body together with the license plate 15 in this way. The main battery casing 31 is configured by incorporating a rectangular main battery 32. The connection connector 33 is structured to be fitted to the connection connector 9 of the radio module main body 2 described above, and the connection terminal 34 is connected to the main battery 32 via the two lead terminals 35a and 35b. Further, the connection connector 33 is arranged in the surface direction of the main battery 32, that is, in the surface direction of the number plate 15 in the form in which the main battery housing 31 is arranged on the number plate 15 (directions of arrows A 1 and A 2 in FIG. 4). It is possible to slide along.

Hereinafter, a procedure for mounting the main battery casing 31 to the radio wave module 1 will be described.
First, the main battery housing 31 is arranged on the surface of the license plate 15 so that the connection connector 33 of the main battery housing 31 can be fitted to the connection connector 9 of the radio wave module body 2 (FIG. 4B). reference). Next, a force in a direction toward the radio module 1 (in the direction of arrow A2 in FIG. 4) is applied to the operation unit 36, so that the connection connector 33 of the main battery housing 31 faces the connection connector 9 of the radio module main body 2. The claw portion 37 formed in the main battery housing 31 is slid and hooked on the hooking portion 38 formed in the radio module main body 2, so that the connection connector 33 of the main battery housing 31 is connected to the radio module main body. 2 (see FIG. 4C). The main battery casing 31 is thus attached to the radio wave module 1, whereby the power of the main battery 32 can be supplied to the radio wave module 1 as the operating power of the radio wave module 1.

  In the configuration described above, the sub battery 8 built in the radio wave module body 2 functions as a backup battery for the main battery 32 built in the main battery housing 31. Specifically, the radio module 1 operates using the power supplied from the main battery 32 as the operating power when the main battery casing 31 is normally attached to the radio module 1. For example, when the body 31 is temporarily removed for battery replacement or illegally removed by a third party's malicious intention, the sub-battery is used to retain the memory information or to secure the communication function. 8 is configured to operate using the power supplied from 8 as the operating power. Further, the sub-battery 8 does not necessarily have to be mounted. That is, even if the main battery housing 31 is removed, it is not necessary to retain memory information or secure a communication function ( If not requested by the user), the sub-battery 8 may be omitted.

  As described above, according to the first embodiment, the sealing housing 4 is attached to the vehicle body by the mounting bolt 16 together with the license plate 15, and the radio wave module body 2 is sealed to seal the mounting bolt 16. 4, the sealing member 5 is fitted into the sealing housing 4 so as to seal the mounting bolt 16 and the radio module main body 2, and the radio module main body 2 is accommodated in the sealing housing 4 so that the sealing member 5 is The dimension in the height direction and the dimension in the radial direction in the aspect fitted to the sealing housing 4 are the dimension in the height direction and the radial direction in the aspect in which the current sealing member is fitted into the current sealing member. It was comprised so that it might become substantially equivalent to the dimension of.

  Thus, by accommodating the radio wave module main body 2 in the space between the sealing housing 4 and the sealing member 5, the radio wave module 1 can be attached to the license plate 15 together with the sealing housing 4 and the sealing member 5, In addition, it is possible to avoid the fact that the existence of the radio wave module 1 is easily known to a third party and to prevent the intentional mischief or theft. can do. Furthermore, it is possible to realize a structure in which the license plate 15 cannot be removed unless the fitting of the sealing member 5 to the sealing housing 4 is broken, and it is possible to prevent the license plate 15 from being stolen. .

  In addition, since the radio module main body 2 is configured to be accommodated in the sealed housing 4 via the buffer member 3, the radio module main body 2 can reduce the impact given from the outside, and the radio module main body 2 can be Can be protected. Further, the backlash between the sealing member 5 and the radio wave module main body 2 is prevented by the repulsive force of the buffer member 3 constantly applying a load to the sealing member 5 via the sealing housing 4 and the radio wave module main body 2. In addition, the sealing member 5 can be prevented from loosening or coming off.

  In addition, since the main battery housing 31 capable of supplying operating power to the radio module 1 is configured to be detachable so as to be aligned with the radio module 1 on the surface of the license plate 15, the product life as the radio module 1 is extended. In addition, by limiting the use conditions of the sub-battery 8, the capacity can be reduced and the size can be reduced. Further, in this case, the main battery casing 31 protrudes from the surface of the number plate 15 as a projection by being attached and detached so that the main battery casing 31 is aligned with the radio wave module 1 on the surface of the number plate 15. However, the volume can be minimized.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. In the first embodiment described above, the main battery casing 31 is detachably mounted so as to be aligned with the radio wave module 1 on the surface of the license plate 15, but in contrast to this, the second embodiment. Is a configuration in which the main battery case is attached and detached so as to overlap the radio wave module.

  That is, in FIG. 7, the radio wave module 41 includes the radio wave module main body 42, the buffer member 43, the sealing housing 44, and the sealing member 45 as components. The radio wave module main body 42 has a housing 46 made of resin, and has a circuit board 47 and a sub battery 48 built therein. The circuit board 47 is composed of, for example, a multilayer board made of a thermoplastic resin that can be embedded in a chip or a ceramic board that can be mounted on a bare chip. Unlike the circuit board 7 described in the first embodiment, A patch antenna is not disposed on the front surface (upper surface in FIG. 7), but two connection terminals 49a and 49b are projected, and a control unit, a communication unit, and a memory are provided on the rear surface (lower surface in FIG. 7). A circuit element 50 constituting each functional block such as a unit is mounted.

  The sub battery 48 is composed of a small coin-type battery, and its positive electrode is electrically connected to the circuit board 47 via an arch-shaped terminal 51 and its negative electrode via a terminal (not shown). The circuit board 47 is electrically connected. In addition, a concave space 52 that can accommodate the head 16a of the mounting bolt 16 for mounting the number plate 15 to the vehicle body is formed in the lower portion of the housing 46.

  The buffer member 43 is formed in an annular shape using a flexible material as in the buffer member 3 described in the first embodiment. The sealing casing 44 has a concave radio module main body accommodating portion 53 that can accommodate the radio module main body 42 and the buffer member 43 described above, similarly to the sealing casing 4 described in the first embodiment. A mounting bolt insertion hole portion 54 through which the mounting bolt 16 is inserted is formed.

  The sealing member 45 is made of resin as a material in the same manner as the sealing housing 44 described above, and has four tongue pieces 55 to 58 (showing the tongue pieces 55 to 57 in FIG. 7) extending downward. Is formed. In this case, the sealing member 45 includes hook portions 59 to 62 formed on the above-described sealing housing 44 with hook portions 59 a to 58 a formed at the tips of the tongue pieces 55 to 58 (the hook portion 59 in FIG. 7). , 61), and is fitted to the sealed casing 4. The sealing member 45 is formed with connection terminal insertion holes 63a and 63b through which the two connection terminals 49a and 49b protruding from the surface of the circuit board 47 of the radio wave module body 2 are inserted. .

  FIG. 8 schematically shows a mode in which the radio wave module main body 42, the buffer member 43, the sealing housing 44, and the sealing member 45 are assembled and attached to the license plate 15 as the radio wave module 41. Hereinafter, a procedure for assembling the radio module main body 42, the buffer member 43, the sealing housing 44, and the sealing member 45 will be described.

  First, the sealing housing 44 is arranged on the number plate 15 so that the mounting bolt insertion hole portion 54 formed in the sealing housing 44 and the mounting bolt insertion hole portion 26 formed in the number plate 15 coincide. The mounting bolt 16 is inserted into the mounting bolt insertion hole portion 54 of the sealing housing 44 and the mounting bolt insertion hole portion 26 of the license plate 15, and the sealing housing 44 is attached to the vehicle body together with the license plate 15. Mounted).

  Next, the buffer member 43 is accommodated in the radio wave module main body accommodating portion 53 of the sealing housing 44, and the radio wave module main body 42 is accommodated in the radio wave module main body accommodating portion 53 so as to seal the mounting bolt 16. And the above-mentioned radio wave module main body at the same time that the claw portions 55a to 58a formed at the tips of the tongue pieces 55 to 58 of the sealing member 45 are hooked on the hook portions 59 to 62 formed on the sealing housing 44. Two connection terminals 49a and 49b protruding from the surface of the second circuit board 47 are inserted into the connection terminal insertion holes 63a and 63b, and the sealing member 45 seals the mounting bolt 16 and the radio module main body 42. It is fitted to the sealing housing 44.

  Also in the aspect in which the radio wave module 41 is configured by assembling the radio wave module main body 42, the buffer member 43, the sealing housing 44, and the sealing member 45 in this way, the dimension in the height direction (" H2 ”) and the radial dimension (indicated by“ R2 ”in FIG. 7) are the height dimension and radial direction in a mode in which the current sealing member is fitted to the current sealing member. It is almost the same size as

  In the second embodiment, the main battery casing 71 includes a rectangular main battery 72 and a fitting portion 73 that fits into the sealing casing 44. In this case, the inner diameter of the fitting portion 73 is slightly larger than the outer diameter of the sealed housing 44. The connection terminals 74 a and 74 b drawn from the main battery 72 are electrically connected to a conductor pattern (not shown) formed in a spiral shape on the ceiling surface 73 a of the fitting portion 73.

Hereinafter, a procedure for attaching the main battery casing 71 to the radio wave module 41 will be described.
In this case, the fitting portion 73 of the main battery casing 71 is fitted into the sealing casing 44, and the main battery casing 71 is attached to the radio wave module 41. A mode in which the fitting portion 73 of the main battery housing 71 is fitted to the sealing housing 44 is screw tightening or the like, and the fitting portion 73 of the main battery housing 71 is screwed to the sealing housing 44. Accordingly, the conductor pattern formed on the ceiling surface 73a of the fitting portion 73 comes into contact with the two connection terminals 49a and 49b of the radio wave module 41. The main battery casing 71 is thus attached to the radio module 41, whereby the two connection terminals 74a and 74b of the main battery casing 71 and the two connection terminals 49a and 49b of the radio module 41 are connected. Are electrically connected, and the power of the main battery 72 can be supplied to the radio module 41 as the operating power of the radio module 41.

  In the above-described configuration, as shown in FIG. 6A, the antenna 75 is drawn from the radio wave module main body 42 through, for example, a lead wire 76, and is arranged on the surface of the license plate 15 as a film antenna. Yes. In FIG. 7, the antenna 75 and the lead wire 76 are omitted.

  As described above, according to the second embodiment, the sealing housing 44 is attached to the vehicle body by the mounting bolt 16 together with the license plate 15, and the radio module main body 42 is sealed to seal the mounting bolt 16. The sealing member 45 is fitted in the sealing housing 44 so as to seal the mounting bolt 16 and the radio module main body 42, and the radio module main body 42 is accommodated in the sealing housing 44 so that the sealing member 45 is sealed. The dimension in the height direction and the dimension in the radial direction in the aspect fitted to the sealing housing 44 are the dimension in the height direction and the radial direction in the aspect in which the current sealing member is fitted into the current sealing member. It was comprised so that it might become substantially equivalent to the dimension of.

  Thereby, the same effect as what was described in 1st Embodiment mentioned above can be acquired. That is, by accommodating the radio wave module main body 42 in the space between the sealing housing 44 and the sealing member 45, the radio wave module 41 can be attached to the license plate 15 together with the sealing housing 44 and the sealing member 45. In addition, it is possible to avoid damages and to prevent the presence of the radio wave module 41 from being easily known to a third party, and to avoid intentional mischief or theft. be able to. Further, it is possible to realize a structure in which the license plate 15 cannot be removed unless the fitting of the sealing member 45 to the sealing housing 44 is broken, and it is possible to prevent the license plate 15 from being stolen. .

  An antenna 75 is pulled out from the radio module main body 42 and disposed on the surface of the license plate 15, and a main battery casing 71 capable of supplying operating power to the radio module 41 is provided on the surface of the license plate 15. Since the antenna is configured to be detachable so as to overlap with the antenna 41, the antenna characteristics can be appropriately ensured, the product life as the radio wave module 41 can be extended, and the usage condition of the sub battery 48 can be changed. By limiting, the capacity can be reduced and the size can be reduced. In this case, the main battery casing 71 is not directly arranged on the surface of the license plate 15, and a sense of discomfort can be suppressed. Further, since the size and position of the antenna 75 are not limited by the size and position of the sealing housing 44, the degree of freedom of the antenna 75 can be increased.

(Other embodiments)
The present invention is not limited to the above-described embodiment, and can be modified or expanded as follows.
The sealing housing and the sealing member may be configured in substantially the same color as the plate surface of the license plate. If configured in such a manner, a sense of incongruity can be suppressed.
The sub battery and the main battery are not limited to non-chargeable (single-use) primary batteries, and may be rechargeable secondary batteries. In that case, particularly when the main battery is a secondary battery, the main battery housing is normally attached to the radio module, and the source of operating power to each functional block is switched from the sub battery to the main battery. After that, power may be supplied from the main battery to the sub battery to charge the sub battery.

  In 1st Embodiment, the attachment / detachment direction with respect to the radio | wireless module of a main battery housing | casing is not restricted to the structure which is the horizontal direction of a license plate, The attachment / detachment direction with respect to the radio | wireless module of a main battery housing | casing is upward or downward of a license plate. There may be.

  In the first embodiment, the main battery casing is not limited to the configuration arranged on the surface of the license plate, but the main battery casing and the radio module are configured to be connectable via a cable, and the cable is connected to the license plate. The main battery housing may be arranged on the back surface of the license plate by being inserted into the formed cable insertion hole. In that case, since there is a degree of freedom in the location of the main battery housing, a configuration in which a plurality of main battery housings are disposed at the same time may be used, or a main battery incorporating a large-capacity main battery. The structure by which a housing | casing is arrange | positioned may be sufficient. In addition, the cable connecting the main battery housing and the radio module is not limited to the configuration in which the cable is inserted into the cable insertion hole portion. The structure may be fitted (incorporated) into the part.

  In the second embodiment, the main battery casing and the sealing member may be integrated, that is, the sealing member is replaced at the same time as the main battery casing is replaced. May be. Moreover, in 2nd Embodiment, a sealing housing | casing and a sealing member may be comprised from the metal material, and if it comprises in that way, intensity | strength can also be ensured.

The front view (a) and the cross-sectional plan view (b) which show the 1st Embodiment of this invention and show the aspect by which a radio wave module is attached to a license plate and the main battery housing | casing is mounted | worn with the radio wave module. Cross-sectional plan view showing components of radio module Front view (a) and transverse plan view (b) showing a mode in which the radio wave module is attached to the license plate The figure which shows roughly the procedure in which the main battery case is attached to the radio module External perspective view showing a state in which the main battery housing is attached to the radio module The front view (a) and the cross-sectional plan view (b) which show the 2nd Embodiment of this invention and show the aspect by which a radio wave module is attached to a license plate, and the main battery housing | casing is mounted | worn with the radio wave module. Cross-sectional plan view of radio module components and main battery housing Transverse plan view showing a mode in which the radio module is attached to the license plate

Explanation of symbols

  In the drawings, 1 is a radio wave module, 2 is a radio wave module body, 3 is a buffer member, 4 is a sealing housing, 5 is a sealing member, 15 is a license plate, 16 is a mounting bolt, 32 is a main battery (battery), 41 is A radio wave module, 42 is a radio wave module body, 43 is a buffer member, 44 is a sealing housing, 45 is a sealing member, 72 is a main battery (battery), and 75 is an antenna.

Claims (8)

The sealing housing is attached to the vehicle body together with the license plate by a mounting bolt, and the radio module main body is housed in the sealing housing so as to seal the mounting bolt, and the mounting bolt and the radio module main body are sealed. The sealing member and the sealing housing in a mode in which a member is fitted into the sealing housing, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted into the sealing housing; dimensions size and radial height direction, the said sealing member is said sealing member without radio module body is accommodated after the sealing member is attached to the vehicle body by the mounting bolts together with the license plate is configured substantially equal to the height direction dimension and the radial dimension of said sealing member and the sealing housing in fitted by being manner Cage,
The radio module main body is accommodated in the sealed casing through a buffer member,
The radio wave module mounting structure is characterized in that the radio wave module body applies a load to the sealing member by the buffer member . In the mounting structure of the radio wave module according to claim 1,
A radio wave module mounting structure, wherein a battery capable of supplying operating power to the radio module is configured to be detachable so as to be aligned with the radio module on the surface of the license plate . The sealing housing is attached to the vehicle body together with the license plate by a mounting bolt, and the radio module main body is housed in the sealing housing so as to seal the mounting bolt, and the mounting bolt and the radio module main body are sealed. The sealing member and the sealing housing in a mode in which a member is fitted into the sealing housing, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted into the sealing housing; After the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, the radio wave module main body is not accommodated and the sealing member becomes the sealing member. The sealing member and the sealing housing in the fitted state are configured substantially the same as the height and radial dimensions. Cage,
A radio wave module mounting structure, wherein a battery capable of supplying operating power to the radio module is configured to be detachable so as to be aligned with the radio module on the surface of the license plate. The sealing housing is attached to the vehicle body together with the license plate by a mounting bolt, and the radio module main body is housed in the sealing housing so as to seal the mounting bolt, and the mounting bolt and the radio module main body are sealed. The sealing member and the sealing housing in a mode in which a member is fitted into the sealing housing, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted into the sealing housing; After the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, the radio wave module main body is not accommodated and the sealing member becomes the sealing member. The sealing member and the sealing housing in the fitted state are configured substantially the same as the height and radial dimensions. Cage,
A radio wave module mounting structure, wherein a battery capable of supplying operating power to the radio module is configured to be detachable from the radio module on the back surface of the license plate. In the mounting structure of the radio wave module according to claim 3 or 4,
A mounting structure for a radio wave module, wherein the battery is attached to or detached from the radio module in any of an upward direction, a lateral direction, and a downward direction of the license plate. The sealing housing is attached to the vehicle body together with the license plate by a mounting bolt, and the radio module main body is housed in the sealing housing so as to seal the mounting bolt, and the mounting bolt and the radio module main body are sealed. The sealing member and the sealing housing in a mode in which a member is fitted into the sealing housing, the radio module main body is accommodated in the sealing housing, and the sealing member is fitted into the sealing housing; After the sealing member is attached to the vehicle body by the mounting bolt together with the license plate, the radio wave module main body is not accommodated and the sealing member becomes the sealing member. The sealing member and the sealing housing in the fitted state are configured substantially the same as the height and radial dimensions. Cage,
An antenna is pulled out from the radio module main body and disposed on the surface of the license plate, and a battery capable of supplying operating power to the radio module overlaps the radio module on the surface of the license plate. A radio wave module mounting structure characterized by being configured to be detachable. In the radio wave module mounting structure according to claim 6,
The radio wave module mounting structure, wherein the battery and the sealing member are integrally formed. In the radio wave module mounting structure according to any one of claims 1 to 7,
A mounting structure for a radio wave module, wherein a circuit board built in the radio wave module body is formed of a multilayer board or a ceramic board made of a thermoplastic resin.

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