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Circuit board for automobile instrument panel

A technology for automobile dashboards and circuit boards, which is applied to vehicle components, electrical components, chemical instruments and methods, etc., can solve problems such as poor heat dissipation in local areas, and achieve the effect of long-term recycling, avoiding failure, and large specific heat capacity.

Active Publication Date: 2022-04-05
CHONGQING KAIGE ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a circuit board for an automobile instrument panel, which solves the technical problem of poor heat dissipation in a local area in the prior art

Method used

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  • Circuit board for automobile instrument panel
  • Circuit board for automobile instrument panel
  • Circuit board for automobile instrument panel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The embodiment is basically as attached figure 1 Shown:

[0050] The outer box includes a first box body 1 and a first cover 2. The lower wall of the first box body 1 is provided with a first installation cavity and two first guide holes, and the two first guide holes are respectively located on the left and right sides of the first installation cavity. sides. The first cover 2 is provided with a water inlet, and the water inlet includes a groove and a drip hole, and the drip hole is located at the bottom of the groove; the first cover 2 is located above the first box body 1, and the first cover 2 and the first box body Body 1 is fixedly connected by screws.

[0051] There are two drying boxes 7, the cross section of the drying box 7 is E-shaped, the drying box 7 is provided with a groove, and a desiccant is placed in the drying box 7; On the side, the side of the drying box 7 provided with grooves is facing the side wall of the first box body 1, and the drying box 7...

Embodiment 2

[0065] The only difference from Embodiment 1 is that the sealing strip 6 is slidingly connected to the side wall of the first box body 1, and the length of the part of the first conduit 17 and the second conduit 18 inside the third guide hole is shorter than that of the third guide hole In addition, it also includes two tension sensors 14 and two tension springs 13.

[0066] Two tension sensors 14 are respectively located on the left and right sides of the first cover 2, and the tension sensors 14 are fixedly installed on the lower surface of the first cover 2 by screws, and the tension sensors 14 are connected with two controller signals; the two tension springs 13 are respectively Located on the left and right sides of the first cover 2 , the upper end of the tension spring 13 is fixedly connected to the tension sensor 14 , and the lower end of the tension spring 13 is welded on the waterproof plate 5 . The first conduit 17 is juxtaposed back and forth on the upper surface o...

Embodiment 3

[0070] The only difference with embodiment 2 is that, as attached figure 2 , attached image 3 As shown, the circuit board body 8 includes:

[0071] The first flat layer 101, the first flat layer 101 is provided with countersunk screw holes, and the countersunk screw holes are located near the four corners of the first flat layer 101 (only one is drawn in the figure), as attached figure 2 As shown, the first flat layer 101 is provided with a hexagonal groove, the hexagonal groove is located outside the countersunk screw hole, and the two opposite sides of the inner wall of the hexagonal groove are just fitted to any opposite sides of the countersunk screw hole; attached image 3 As shown, the first flat layer 101 is provided with two cylindrical grooves along the vertical thickness direction, and the cylindrical grooves are respectively located on the left and right sides of the countersunk screw holes. A rectangular groove is located on the left side of the cylindrical g...

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PUM

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Abstract

The invention relates to the technical field of circuit boards, in particular to a circuit board for an automobile instrument panel, comprising: an outer box, an inner box, a waterproof board, a sealing strip, a drying box, a circuit board body, a cooling fan, a dehumidification fan, and a first conduit and the second conduit; the desiccant is placed in the drying box, which is located on both sides of the bottom of the first box, and the second box is located above the drying box; the waterproof board is provided with a third guide hole, and the two side walls of the waterproof board Both are fixedly connected with the sealing strip; the two side walls of the circuit board body are fixedly connected with the inner wall of the second box body, the dehumidification fan is fixedly installed in the second installation cavity, and the cooling fan is fixedly installed in the first installation cavity; the first duct and One end of the second guide is fixed in the third guide hole, and the other end is fixed in the first guide hole; the first guide passes through the upper surface of the circuit board body, and the second guide passes through the lower surface of the circuit board body. The invention solves the technical problem of poor heat dissipation in local areas in the prior art.

Description

technical field [0001] The invention relates to the technical field of circuit boards, in particular to a circuit board for an automobile instrument panel. Background technique [0002] For the circuit board used on the car dashboard, there are a large number of pads on it, and the pins of each electronic component are welded on the pads by soldering. When the car is driving on a rainy day, if rainwater floats in from the window and drips on the dashboard, the incoming rainwater or moisture will seep into the circuit board, which will directly contact the pads and pins and cause a short circuit. [0003] It can be seen that in order to ensure the normal use of the circuit board of the automobile dashboard, it is necessary to take corresponding waterproof and moisture-proof measures for the circuit board. For example, Chinese patent CN211880852U discloses a PCB circuit board with moisture-proof and dust-proof functions, including a main box, a sealing ring, a packaging cover...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K5/06H05K7/20B60K35/00B01D53/26
CPCH05K5/061H05K7/20172H05K7/20272B60K35/00B01D53/26
Inventor 曾晓东
Owner CHONGQING KAIGE ELECTRONICS CO LTD