JP6502229B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device, and more particularly to an electronic device that may receive rainwater and the like.

  2. Description of the Related Art Conventionally, for electronic devices that are used outdoors or the like and that may receive rain water or the like, there are electronic devices configured to drain water from the drainage holes by providing a drain hole in the case of the electronic device. As such a conventional electronic device, a control box 900 of a golf cart described in Patent Document 1 below is known. The golf cart control box 900 will be described with reference to FIG.

  The control box 900 of the golf cart is attached to the lower case 903 and the lower case 903 while the membrane switch 908 is disposed on the upper surface and substrates 912 and 913 for golf cart travel control are fixed below the membrane switch 908. And waterproof sheets 914 and 915 covering the substrates 912 and 913 are interposed between the membrane switch 908 of the upper case 904 and the substrates 912 and 913.

  Further, a drainage groove 917 having a drainage port 917a is formed on the upper surface of the waterproof sheet 914, 915, while a drainage hole 918 for draining water from the drainage port 917a to the outside is formed on the bottom of the lower case 903.

  With such a configuration, it is possible to provide a golf cart control box 900 in which rainwater or the like does not hit the substrates 912 and 913 and the substrates 912 and 913 can be securely fixed.

Japanese Utility Model Application Publication No. 7-013609

  However, in an electronic device such as a control box 900 of a golf cart, although two substrates are covered by a waterproof cover (waterproof sheet) having substantially the same shape as each substrate, two substrates are connected. The cable was exposed and not covered. Therefore, there is a danger that the water that has entered the case travels through the cable and causes the water at the connecting portion of the substrate to which the cable is connected to be wetted, and as a result, the electronic circuit configured on the substrate is shorted. There was a sex.

  The present invention has been made in view of the above-described circumstances of the prior art, and it is an object of the present invention to provide an electronic device capable of waterproofing a connecting portion of a substrate to which a cable is connected.

In order to solve the above problems, an electronic device according to the present invention includes a case, a first substrate held in the case, a second substrate held in the case, the first substrate, and the second substrate. An electronic device comprising: a cable to be connected; and a waterproof cover for protecting the first substrate from water entering the case, wherein the first substrate has a first connection portion and the second substrate Has a second connection, one end of the cable is connected to the first connection, the other end of the cable is connected to the second connection, and the waterproof cover covers the first substrate. And a second cover portion integrally formed with the first cover portion and extended from the outer shape of the first cover portion, wherein the second cover portion is formed of the cable and the second cover portion. the second connection portion and Tsu covering, the first substrate and the second substrate The case is attached with a level difference in a side view, and the case is provided with a support portion, and the middle of the second cover portion abuts on the support portion and is bent in the direction approaching the cable , Has a feature.

In the electronic device configured in this manner, the waterproof cover has a second cover portion that covers the cable and the second connection portion to which the cable is connected, and the first cover portion and the second cover portion Since it is integrally formed, it is possible to prevent water that has entered the case from entering the second connection portion.
The electronic device configured in this way can also bend the second cover portion of the waterproof cover in the direction approaching the cable by the support portion provided in the case, so that the tip of the cable is second when the electronic device is assembled. It is possible to ascend above the cover portion and not head downward. Therefore, the worker can easily grasp the tip of the cable at the time of assembly, and the workability can be improved.

  Further, in the above-described configuration, the tip end side of the second cover portion is characterized in that an engaging portion that engages with the case is provided.

  The electronic device configured in this way can position the second cover portion in the case by the engaging portion, so that the cable and the second connection portion can be reliably waterproofed.

  Further, in the above configuration, the second cover portion is characterized in that it is formed so as to surround three sides of the cable.

  In the electronic device configured as described above, since the second cover part encloses the three sides of the cable, it is possible to prevent the water from coming into contact with the cable from the side of the cable.

  In the electronic device of the present invention, the waterproof cover has the second cover portion covering the cable and the second connection portion to which the cable is connected, and the first cover portion and the second cover portion are integrally formed. Thus, the water that has entered the case can be prevented from entering the second connection.

It is a perspective view which shows the internal structure of the electronic device in embodiment of this invention. It is a front view of an electronic device. It is a perspective view which shows the structure of a waterproof cover, and the positional relationship with a cable. It is sectional drawing which shows the internal structure of an electronic device. It is a disassembled perspective view which shows the structure of the electronic device which concerns on a prior art example.

[Embodiment]
Hereinafter, embodiments of the electronic device 100 of the present invention will be described with reference to the drawings. The electronic device 100 is used, for example, as an electronic device stored in a device that may receive rainwater or the like. The application of the electronic device 100 of the present invention is not limited to this, and can be changed as appropriate.

  The configuration of the electronic device 100 will be described with reference to FIGS. 1 to 4. 1 is a perspective view showing the internal structure of the electronic device 100, FIG. 2 is a front view of the electronic device 100, and FIG. 3 is a perspective view showing the structure of the waterproof cover 7 and the positional relationship with the cable 3. It is. 4 is a cross-sectional view showing the internal structure of the electronic device 100 when the Y1 direction is viewed from the line A-A shown in FIG. 1 and 2, in order to show the internal structure of the electronic device 100, it is assumed that the outer wall portion 28 on the back region 20b side of the case 20 is transparent.

  As shown in FIGS. 1 and 2, the electronic device 100 includes a case 20, a first substrate 11, a second substrate 12, a cable 3, a waterproof cover 7, a waterproof cover 9 for a second substrate, and a switch. And a unit 30. In the electronic device 100, the surface (surface on the X1 side) on which the first substrate 11 and the second substrate 12 are provided is the back surface, and the surface on the opposite side (surface on the X2 side) is the front surface. It is configured that various operations are performed on the front side.

  The inside of the case 20 is divided into a front side region 20a on the front side and a rear side region 20b on the back side, as shown in FIGS. 1 and 4. The middle wall portion 29 is provided between the front side region 20a and the back side region 20b, and the portion where the middle wall portion 29 is not provided is an opening 29a. Therefore, the front side region 20a and the back side region 20b are connected via the opening 29a. Further, the entire case 20 is surrounded by the outer wall portion 28. The outer wall portion 28 facing the outer space of the case 20 and the above-described middle wall portion 29 are formed of a synthetic resin having a predetermined thickness.

  In the present embodiment, the case 20 is formed such that the front side region 20a and the back side region 20b are surrounded by one outer wall portion 28. However, the case 20 is covered by the front side case and the back side region covering the front side region 20a. You may make it comprise with two members with the cover which covers 20b.

  The front surface of the case 20 is an operation surface 24 of the electronic device 100, and a plurality of switch sections 30 are provided on the operation surface 24, as shown in FIGS. Further, as shown in FIG. 4, the operation portion 30 a of the switch portion 30 protrudes in the X2 direction from the operation surface 24, and a part of the switch portion 30 on the opposite side is inside (X1 side) from the operation surface 24. It is located in the front side area | region 20a. The switch unit 30 can be operated by pressing the operation unit 30a provided on the operation surface 24 in the X1 direction (right direction) in FIG. By this operation, each device in the external device in which the electronic device 100 is stored can be operated.

  A hole (not shown) for attaching the switch portion 30 is provided on the operation surface 24 of the case 20, and a part of the switch portion 30 is inserted into the hole for attachment and attached by the attachment screw 19 . Although the switch unit 30 is assumed to be a mechanical switch such as a push switch in the present embodiment, it may be a touch sensor type switch or the like.

  As shown in FIGS. 1 and 4, the first substrate 11 and the second substrate 12 are attached to the back region 20 b of the case 20. The first substrate 11 and the second substrate 12 are attached to the middle wall 29 by mounting screws 19 and held by the case 20 so as to be parallel to the middle wall 29. As shown in FIG. 4, the first substrate 11 and the second substrate 12 are attached with a level difference in a side view. An electronic circuit (not shown) having a plurality of electronic components (not shown) is mounted on the first substrate 11 and the second substrate 12, and the electronic circuit controls the plurality of switch sections 30. .

  As shown in FIGS. 1 and 4, the first substrate 11 and the second substrate 12 are connected by the cable 3. The cable 3 is formed of a thin flexible flexible cable having a flat shape for electrically connecting the electronic circuit on the first substrate 11 and the electronic circuit on the second substrate 12. It is possible to deform freely.

  The first substrate 11 has a first connection portion 11a, the second substrate has a second connection portion 12a, one end of the cable 3 is connected to the first connection portion 11a, and the other end of the cable 3 is a second connection It is connected to the part 12a. The first connection portion 11 a and the second connection portion 12 a are connectors formed such that one end or the other end of the cable 3 is inserted. The first connection portion 11 a is attached to the middle wall portion 29 side (X2 side) of the first substrate 11, and the second connection portion 12 a is opposite to the middle wall portion 29 side of the second substrate 12. Is attached to the opposite side (X1 side).

  As shown in FIGS. 1, 2 and 4, a waterproof cover 7 is provided in the vicinity of the first substrate 11 to protect the first substrate 11 from water that has entered the case 20. In addition, a waterproof cover 9 for the second substrate is also provided in the vicinity of the second substrate 12 to protect the second substrate 12 from water entering the case 20. Each of the waterproof cover 7 and the waterproof cover 9 for the second substrate is formed of an elastic material such as rubber.

  Each of the waterproof cover 7 and the waterproof cover 9 for the second substrate encloses the four sides (Y1 side, Y2 side, Z1 side, Z2 side) of the first substrate 11 or the second substrate 12, and the first substrate 11 or the second substrate 12 The middle wall portion 29 side (X2 side) is closed, and the opposite side (X1 side) of the middle wall portion 29 side is formed to be open. The waterproof cover 7 and the second board waterproof cover 9 protect the first board 11 and the second board 12 from water that has entered the case 20, particularly water that has entered the case 20 from the mounting portion of the switch unit 30. Provided for

  Of the waterproof cover 7 and the waterproof cover 9 for the second substrate, the waterproof cover 9 for the second substrate only covers the second substrate 12, but the waterproof cover 7 is a first cover portion covering the first substrate 11. A second cover 7b is integrally formed with the first cover 7a and extended from the outer shape of the first cover 7a. Therefore, in the waterproof cover 7, the first cover portion 7 a covers the first substrate 11, and the second cover portion 7 b covers the cable 3 and the second connection portion 12 a on the second substrate 12.

  As shown in FIG. 3, in order to cover the first substrate 11, the first cover portion 7 a of the waterproof cover 7 has a shape similar to the first substrate 11, that is, a substantially rectangular shape as viewed from the X1 side. On the other hand, the second cover 7b is extended from the lower side of the first cover 7a in order to cover the cable 3 and the second connection 12a, and Y1 of the cable 3 and the second connection 12a respectively. It is formed to have a width larger than the width in the -Y2 direction.

  The portion of the second cover portion 7b continuous to the first cover portion 7a is, as shown in FIG. 3, obliquely downward (Z2 direction on the X2 side) and in two sides (Y1 direction and Y2 direction). It has a member and is formed. In other words, when the cable 3 connecting the first connection portion 11a and the second connection portion 12a is attached to the second cover portion 7b, the three sides of the cable 3, that is, the diagonally lower side of the cable 3 (Z2 on the X2 side) (Direction) and two sides (Y1 direction and Y2 direction) of the cable 3 are formed.

  Further, as described above, the portion of the second cover portion 7b on the second connection portion 12a side is formed of a material having elasticity such as rubber, so the shape of the portion is changed in a curved shape. It can be done. Therefore, when the cable 3 is attached, as shown in FIG. 3, it can be bent along the shape of the cable 3.

  As described above, the first substrate 11 and the second substrate 12 are attached with a level difference in a side view. Therefore, the cable 3 connecting the first connection portion 11a on the first substrate 11 and the second connection portion 12a on the second substrate 12 also has a step difference between its one end and the other end in a side view. It will have. Therefore, it is necessary to bend the waterproof cover 7 so as to have a level difference in a side view in the middle of the first cover 7a and the second cover 7b.

  In the electronic device 100, a supporting portion for supporting the second cover portion 7b of the waterproof cover 7 in order to bend with a step in a side view in the middle of the first cover portion 7a and the second cover portion 7b. 22 was provided in case 20. As shown in FIGS. 1 and 4, the support portion 22 is integrally formed with the middle wall portion 29 in the case 20 and provided so as to project in the direction (direction X1) of the second cover portion 7 b. There is. As a result, the middle of the second cover 7 b abuts on the support 22 and is bent in the direction approaching the cable 3.

  Further, in order to support the tip end side of the second cover 7 b of the waterproof cover 7, the boss 26 is provided in the case 20. As shown in FIG. 4, the boss portion 26 is integrally formed with the middle wall portion 29 in the case 20, and is provided so as to project in the direction (X1 direction) of the second cover portion 7b. The boss portion 26 has a columnar shape and is formed so that its tip is thin.

  And, on the tip side of the second cover 7 b of the waterproof cover 7, an engaging portion 7 c that engages with the case 20 is provided. As shown in FIG. 3, the engaging portion 7c is a circular opening at the center on the tip end side of the second cover portion 7b, and is extended in a tubular shape in the X2 direction.

  The narrow end of the boss 26 provided on the middle wall 29 is inserted into the opening of the engaging portion 7 c formed on the end of the second cover 7 b of the waterproof cover 7. As a result, the second cover 7 b of the waterproof cover 7 can be positioned. At the same time, the surface on the tip end side X1 of the second cover portion 7b can be in close contact with the surface on the X2 side of the waterproof cover 9 for the second substrate.

  In the electronic device 100, the cylindrical boss portion 26 is provided in the case 20, and the engagement portion 7c which is an opening is provided on the tip end side of the second cover portion 7b of the waterproof cover 7. A columnar boss may be provided on the tip end side of the second cover 7 b of the cover 7, and the case 20 may be provided with an engaging portion that is an opening.

  Hereinafter, the effects of the present embodiment will be described.

  The electronic device 100 has a second cover 7b that covers the waterproof cover 7 and the second connection 12a to which the cable 3 and the cable 3 are connected, and the first cover 7a and the second cover 7b. Since it is integrally formed, it can prevent that the water which invaded in case 20 invades to the 2nd connection part 12a.

  In addition, since the second cover 7b can be positioned in the case 20 by the engaging portion 7c, the cable 3 and the second connection portion 12a can be reliably waterproofed.

  Moreover, since the 2nd cover part 7b encloses three sides of the cable 3, the water coverage of the cable 3 by the water from the side of the cable 3 can also be prevented.

  Further, since the second cover 7b of the waterproof cover 7 can be bent in the direction approaching the cable 3 by the support 22 provided on the case 20, the tip of the cable 3 is the second cover when assembling the electronic device 100. 7b can be lifted above and not headed downward. Therefore, the worker can easily grasp the tip of the cable 3 at the time of assembly, and the workability can be improved.

  As described above, in the electronic device according to the present invention, the waterproof cover has the second cover portion covering the cable and the second connection portion to which the cable is connected, and the first cover portion and the second cover Since the part and the part are integrally formed, it is possible to prevent water that has entered the case from entering the second connection part.

  The present invention is not limited to the above embodiment, and can be implemented with various modifications without departing from the scope of the invention.

DESCRIPTION OF SYMBOLS 3 cable 7 waterproof cover 7a 1st cover part 7b 2nd cover part 7c engaging part 9 waterproof cover for 2nd board 11 1st board 11a 1st connection part 12 2nd board 12a 2nd connection part 19 attachment screw 20 case 20a Front side area 20b Back side area 22 Support part 24 Operation side 26 Boss part 28 Outer wall part 29 Middle wall part 29a Opening part 30 Switch part 30a Operation part 100 Electronic equipment

Claims (3)

A case, a first substrate held by the case, a second substrate held by the case, a cable connecting the first substrate and the second substrate, and water from the case which has entered the case An electronic device comprising: a waterproof cover for protecting a first substrate;
The first substrate has a first connection portion, the second substrate has a second connection portion, one end of the cable is connected to the first connection portion, and the other end of the cable is the second connection Connected to the department,
The waterproof cover has a first cover portion covering the first substrate, and a second cover portion integrally formed with the first cover portion and extended from the outer shape of the first cover portion. the second cover portion is Tsu covering said cable and said second connecting portion,
The first substrate and the second substrate are attached with a level difference in a side view, and the case is provided with a support portion, and the middle of the second cover portion abuts on the support portion Together with bending towards the cable,
An electronic device characterized by An engagement portion that engages with the case is provided on the tip end side of the second cover portion.
The electronic device according to claim 1, The second cover portion is formed to surround three sides of the cable.
The electronic device according to claim 1 or 2, characterized in that:

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