JP3138566B2 - Assembling structure and assembling method of CdS optical sensor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling structure and an assembling method of a CdS optical sensor, and more particularly, to a method for assembling a CdS optical sensor on a dedicated sensor pedestal. The present invention relates to an assembling structure and an assembling method.

[0002]

2. Description of the Related Art CdS optical sensors are used in various fields as sensors capable of detecting ambient light and brightness with high accuracy. For example, there is known a technology that is used in an automatic lighting circuit of a bicycle power generation lamp, detects that the surroundings become dark, and automatically turns on the bicycle lamp.

In general, a dedicated light detection window is provided in front of the CdS optical sensor, and the light receiving surface of the CdS optical sensor needs to be positioned at a predetermined position relatively accurately with respect to the window. As a conventional method of assembling a normal CdS optical sensor, the lead wire of the CdS optical sensor is directly inserted into a substrate and soldered, and the light receiving surface of the CdS optical sensor is adjusted by hand by appropriately bending the lead wire. . However, in such a method, the light receiving surface of the CdS optical sensor is positioned at a predetermined position.
It is difficult to fix in a predetermined direction with high accuracy, and there is a large variation in assembling accuracy.

As a method of assembling the CdS optical sensor with higher accuracy, a method is known in which a dedicated sensor base is provided, and the CdS optical sensor, in particular, a lead wire thereof is fixed on the sensor base. However, in the conventional method using the sensor pedestal, the CdS optical sensor is not reliably fixed. Since an adhesive is used for fixing the lead wire or the like, it is not possible to proceed to the next step until the adhesive is dried. Therefore, there is a problem that the work of assembling is inferior because the work such as pushing and spreading the hand by hand is required.

[0005]

SUMMARY OF THE INVENTION According to the present invention, when assembling a CdS optical sensor to a dedicated sensor pedestal, the CdS optical sensor can be fixed very easily and accurately at a predetermined position. An object of the present invention is to provide an assembling structure and an assembling method of a CdS optical sensor that can be used.

[0006]

According to the present invention, there is provided an assembling structure of a CdS optical sensor according to the present invention.
Of the CdS optical sensor main body and the CdS optical sensor main body
CdS light consisting of two lead wires connected to the back side
The sensor is mounted on the sensor base, and the sensor
Insert the CdS optical sensor body into the recess formed on the front side of the pedestal.
The central column and one side of the central column are elastically deformed laterally with respect to the central column.
It erected a form of auxiliary pillar, consisting of those fixed by press-fitting each of the two leads between the central pillar and the subsidiary columnar body.

Further, according to the method for assembling a CdS optical sensor according to the present invention, a CdS optical sensor is provided in a concave portion formed on the front side of a sensor base.
It accommodates the S light sensor body, in which is disposed on either side of the center pillar and the central pillar body provided on one surface of the sensor base
Between the central pillar and the auxiliary pillar that can be elastically deformed laterally ,
Each of the two lead wires connected to the back side of the CdS optical sensor main body is press-fitted, and the two lead wires are connected to the CdS optical sensor of the sensor base after or substantially simultaneously with the press-fitting.
It is a method of bending along the end opposite to the main body arrangement portion .

[0008]

In the structure for mounting the CdS optical sensor as described above, each lead wire of the CdS optical sensor is press-fitted and fixed between the central column and each auxiliary column, so that an adhesive must be used for fixing. There is no. Because of the press-fitting, each lead wire is firmly and securely fixed. The CdS optical sensor body is a sensor
It is housed in a predetermined position in the recess formed on the front side of the pedestal.
In this state, each lead wire is fixed. The central column and the auxiliary column are erected in advance at a predetermined position on one surface of the sensor pedestal, and the central column disposed in the center,
The auxiliary columns on both sides are elastically deformable with respect to the center column.
Therefore , each lead wire is precisely fixed at a predetermined position only by press-fitting each lead wire during this time.
Since the two lead wires are accurately fixed at a predetermined position, the CdS optical sensor body to which the two lead wires are connected on the back side is also accurately fixed at a predetermined position and a predetermined posture. Is also accurately oriented in a predetermined direction.
Further, since the two lead wires are merely press-fitted and fixed by a jig or the like, workability is extremely good and there is no variation in assembly.

In the assembling method according to the present invention, the two lead wires may be connected to the CdS optical sensor main body arrangement portion of the sensor base after or substantially simultaneously with the press-fitting.
Folded along the opposite end . These two lead wires are inserted into a board or the like and soldered or the like. In many cases, the two lead wires are required to be oriented in a predetermined direction by bending or the like with respect to the sensor pedestal. Is securely fixed between the central column and the auxiliary column as described above, so that when the lead wire portion located on the side opposite to the CdS optical sensor main body is bent, there is no effect on the fixing position of the CdS optical sensor main body. And the desired bending is easily and smoothly performed. When the press-fitting and the bending are performed substantially simultaneously, the bending is performed in one step together with the press-fitting, which further facilitates the assembling work and simplifies the assembling process.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the structure and method for assembling a CdS optical sensor according to the present invention will be described below with reference to the drawings. 1 to 10 show an assembly structure of a CdS optical sensor according to one embodiment of the present invention, together with an assembly method. In FIG. 1, 1 is Cd
2 shows a dedicated sensor pedestal for the S optical sensor 2.
The sensor pedestal 1 is made of an insulating resin. On this sensor base 1, a CdS optical sensor main body 3 and a CdS optical sensor main body 3 each having a front surface serving as a light receiving surface 3a.
CdS consisting of two lead wires 4 connected to the back side of
The optical sensor 2 is attached and fixed.

A central pillar 5 and two auxiliary pillars 6 formed integrally with the sensor pedestal 1 are provided upright on one face of the sensor pedestal 1, in this embodiment, on the upper face. The two auxiliary pillars 6 are arranged on both sides of the center pillar 5, and these pillars are arranged so as to be substantially aligned. As mentioned above,
Since the sensor base 1 is entirely made of resin, two
The auxiliary pillars 6 correspond to the central pillar 5 located at the center thereof.
It is elastically deformable to the side. Further, a gap slightly smaller than the outer diameter of each lead wire 4 is formed between the center column 5 and the auxiliary columns 6 on both sides. In the present embodiment, both the center pillar 5 and the two auxiliary pillars 6 are formed as cylinders, but may have other shapes. For example, as shown in FIG. 11, another example may be a prism having rounded corners. Further, a column having another shape such as an elliptical column may be used.

On the front side of the sensor base 1, there is formed a half-moon-shaped recess 7 in which the CdS optical sensor main body 3 is accommodated in a predetermined posture. As shown in FIGS. 1 and 2, the CdS optical sensor main body 3 is located at an upper position corresponding to the concave portion 7, and two leads are located at an upper position corresponding to between the central column 5 and the two auxiliary columns 6. In a state where each of the wires 4 is arranged, the two lead wires 4 are pressed downward by the jig 8 from above, and the two lead wires 4 Pressed into the gap.

The press-fitting jig 8 is formed in a U-shaped cross section, and the two U-shaped side portions have two lead wires 4 extending through the space between the central pillar 5 and the auxiliary pillar 6. As shown in FIG. 4, both side portions of each column are pressed evenly and simultaneously, whereby the lead wire 4 is press-fitted between the center column 5 and the auxiliary column 6. In the case where the assembly quantity is small, for example, as shown in FIG. 3, a jig 9 in which one of the tips of pliers or radio pliers is modified to have a U-shaped cross section may be used as the press-fitting jig. .

By the above operation, each lead wire 4 is press-fitted into each gap between the central column 5 and the auxiliary column 6 as shown in FIGS. 5 and 6, and the CdS optical sensor main body 3 is placed on the front surface of the sensor base 1. It is housed at a predetermined position in the recess 7. With this containment practically
At the same time, each lead wire 4 is placed between the center column 5 and the auxiliary column 6.
At the time of press- fitting, since the gap between the center column 5 and the auxiliary column 6 is slightly smaller than the outer diameter of the lead wire 4, the auxiliary column 6 is slightly elastically deformed outward and restored. Each lead wire 4 is firmly fixed between the center column 5 and the auxiliary column 6 by the force. Since the fixing strength is high, no adhesive or the like is required at all. When each lead wire 4 is accurately and reliably fixed to a predetermined position on the upper surface of the sensor pedestal 1, the CdS optical sensor main body 3 is necessarily and precisely fixed to a predetermined position in a predetermined posture.

In the above press-fitting, the central pillar 5,
Due to the resistance between the central pillars 6, the lead wire 4 naturally bends or curves as shown in FIG. Even if this bending or bending occurs, each lead wire 4 is pressed against the upper surface of the sensor pedestal 1 on both sides of each column, and the position is determined in the vertical direction by the upper surface, so that there is no problem in accuracy. .

After the press-fitting, as shown in FIGS. 8 and 9, the portions of the two fixed lead wires 4 on the side opposite to the CdS optical sensor main body 3 are on the opposite side of the sensor base 1 from the CdS optical sensor main body 3.
Bent along the edge of the Since the lead wire 4 is already press-fitted between the central pillar 5 and the auxiliary pillar 6 and is securely fixed, the bending does not displace the positions of the lead wire 4 and the CdS optical sensor main body 3. Since it is strong, it can be bent very easily and smoothly.

The press-fitting and bending can be performed substantially simultaneously in one step. For example, if a jig 10 having a shape as shown in FIG. 12 is used, it is possible to press-fit the lead wire 4 at the lead wire pressing portion 10a and bend the lead wire 4 along the sensor pedestal 1 at the bent portion 10b. . However, even if they are substantially simultaneously performed, the press-fitting is performed slightly earlier, and the bending starts when the respective lead wires 4 are pressed against the upper surface of the sensor pedestal 1. 4 is already press-fitted and fixed.

After bending the lead wire 4, the sensor base 1 on which the CdS optical sensor 2 is mounted is mounted on a substrate 11, for example, as shown in FIG. A projection 12 is formed on the lower surface of the sensor pedestal 1, and the projection 12 is inserted into a hole 13 provided in the substrate 11 to determine the position of the sensor pedestal 1 with respect to the substrate 11. At the same time, the end of the lead wire 4 protruding downward penetrates the hole 14 provided in the substrate 11. The sensor pedestal 1 is fixed to the substrate 11 by screws 15, the protruding end of the lead wire 4 penetrating the substrate 11 is soldered 16, and electrically connected to a predetermined circuit, for example, an automatic lighting circuit of a bicycle power generation lamp. .

[0019]

As described above, according to the structure and method for assembling the CdS optical sensor of the present invention, the CdS optical sensor body is formed on the front side of the sensor base.
The lead wire of the CdS optical sensor is press-fitted and fixed between the central pillar provided on one surface of the sensor pedestal and the auxiliary pillars on both sides thereof. The lead wire of the CdS optical sensor and the main body of the CdS optical sensor can be fixed easily and reliably with high accuracy only by the press-fitting operation.

Further, the CdS optical sensor can be fixed at a predetermined position and a predetermined posture only by press-fitting, and no adhesive or the like is required.
It can be used immediately after fixing, simplifying the assembly process and facilitating process control at the same time.

Further, if the lead wire of the CdS optical sensor is bent in a predetermined direction substantially simultaneously with press-fitting,
Further simplification of the assembling process and facilitation of the assembling operation can be achieved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an assembling structure and an assembling method of a CdS optical sensor according to one embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a state before assembly in FIG. 1;

FIG. 3 is a partial perspective view of a jig different from FIG.

FIG. 4 is an exploded perspective view showing a state at the time of starting assembly of the apparatus of FIG. 1;

FIG. 5 is a perspective view showing a state next to FIG. 4;

FIG. 6 is a plan view of the state of FIG. 5;

FIG. 7 is a longitudinal sectional view of the state of FIG.

FIG. 8 is a perspective view showing a state next to FIG. 5;

FIG. 9 is a vertical sectional view of the state of FIG. 8;

FIG. 10 is an exploded vertical cross-sectional view showing a state where a sensor pedestal on which a CdS optical sensor is assembled is attached to a substrate.

FIG. 11 is a partial plan view of a sensor base showing another example of the shape of the column.

FIG. 12 is a side view of a jig for bending a lead wire of the CdS optical sensor substantially simultaneously with press-fitting.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sensor pedestal 2 CdS optical sensor 3 CdS optical sensor main body 3a Light receiving surface 4 Lead wire 5 Central pillar 6 Auxiliary pillar 7 Depression 8, 9, 10 Jig 10a Lead wire pressing portion 10b Bending portion 11 Substrate 12 Projection 13, 14 Hole 15 Screw 16 Soldering part

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) G01J 1/00-1/46 B62J 6/00

Claims (7)

(57) [Claims] 1. A CdS optical sensor having a front surface as a light receiving surface.
Connected to the back side of the CdS optical sensor main body.
CdS optical sensor consisting of two lead wires
Structured on the front side of the sensor pedestal
While accommodating the CdS optical sensor body in the recess formed,
On one surface of the sensor pedestal, a central column and auxiliary columns disposed on both sides of the central column and elastically deformable laterally with respect to the central column are erected, and the central column and both auxiliary columns are provided. assembly structure of CdS light sensor, characterized in that fixed by press-fitting each of the two leads between. 2. The two lead wires are provided with a central pillar and an auxiliary
It is bent or curved into a mountain shape and press-fitted between the pillars.
The assembly structure of the CdS optical sensor according to claim 1, wherein: 3. The sensor base according to claim 1, wherein said sensor base is made of resin.
Or 2) an assembly structure of the CdS optical sensor. 4. The bicycle power generator according to claim 1, wherein the CdS optical sensor is a bicycle power generator.
4. The structure for assembling a CdS optical sensor according to claim 1, wherein the CdS optical sensor is provided in an automatic lighting circuit of a lamp . 5. A recess formed on the front side of the sensor base.
While accommodating the CdS optical sensor body, the sensor base
A central pillar erected on one side and both sides of the central pillar
Between the auxiliary column that can be elastically deformed laterally with respect to the central column
Next, the two sockets connected to the back side of the CdS optical sensor body
Each of the lead wires and press-fit after or after the press-fitting.
Qualitatively at the same time, two lead wires are connected to the CdS light of the sensor base.
Fold along the end opposite to the sensor body placement
A method for assembling a CdS optical sensor. 6. A cross section for press-fitting said two lead wires.
Using a U-shaped jig, press both sides of each column of the lead wire.
6. The method for assembling a CdS optical sensor according to claim 5, wherein the pressure is applied. 7. The bicycle power generator according to claim 1, wherein the CdS optical sensor is a bicycle power generator.
7. The Cd according to claim 5, which is provided in an automatic lighting circuit of the lamp.
How to assemble the S optical sensor.