CN213507647U - Circuit board waterproof construction and washing machine - Google Patents
Circuit board waterproof construction and washing machine Download PDFInfo
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- CN213507647U CN213507647U CN202021638454.9U CN202021638454U CN213507647U CN 213507647 U CN213507647 U CN 213507647U CN 202021638454 U CN202021638454 U CN 202021638454U CN 213507647 U CN213507647 U CN 213507647U
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- board box
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Abstract
The utility model provides a circuit board waterproof construction, including control panel, computer board box and computer board, the computer board box sets up in control panel's rear side, the inside at the computer board box is installed to the computer board, computer board box slope sets up, and half shields the computer board, the top of computer board box is equipped with the manger plate portion that the slope set up, manger plate portion outer fringe height is less than the highest marginal height of computer board, the back of computer board box is equipped with a plurality of structure holes, the rear side in structure hole is equipped with muscle position or step, the back of computer board box is equipped with the water conservancy diversion muscle, connect through the water conservancy diversion muscle between the muscle position or the step, the height that highly is higher than the water conservancy diversion muscle of muscle position or. The utility model discloses an increase the manger plate portion at the top of computer board box, increase water conservancy diversion muscle at the back of computer board box and increase muscle position or step at the structure hole rear side of computer board box, can solve the short circuit problem of catching fire that the drop of water invades the computer board and arouses, this waterproof construction can reduce manufacturing cost moreover, reduces the cooperation installation component.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to circuit board waterproof construction and washing machine.
Background
At present, the waterproof structure of the circuit board in the market has diversity, and the mode of not pouring glue tends to be popular. As shown in fig. 7, the waterproof structure of the circuit board on the market at present is as follows: a circuit board box 10 is arranged at the rear part of the control board 1, a circuit board 11 is arranged in the circuit board box 10 and is positioned between the control board 1 and the circuit board box 10, a display board 6 is arranged in front of the circuit board 11, a display lens 5 is arranged at the upper part of the control board 1, the display board 6 is positioned at the rear side of the display lens 5, and a control key 8 and an indicator light 9 are arranged at the lower part of the control board 1; although the shielding structure 10.1 is disposed on the top of the circuit board box 10, the height of the outer edge of the shielding structure 10.1 is higher than the height of the highest edge of the circuit board 11, so that a part of the water drops will enter the circuit board 11 from the opening of the circuit board box 10, which may cause the short circuit and fire of the circuit board 11.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, low in manufacturing cost, part are few, the security is high, the circuit board waterproof construction and washing machine that the practicality is strong to overcome the weak point among the prior art.
According to a circuit board waterproof construction of this purpose design, including control panel, computer board box and computer board, the computer board box sets up in control panel's rear side, and the computer board is installed in the inside of computer board box, its characterized in that: the computer board box is obliquely arranged and semi-shields the computer board, the top of the computer board box is provided with a water retaining part which is obliquely arranged, the outer edge height of the water retaining part is lower than the highest edge height of the computer board, the back of the computer board box is provided with a plurality of structural holes, rib positions or steps are arranged on the rear sides of the structural holes, flow guide ribs are arranged on the back of the computer board box and connected through the flow guide ribs between the rib positions or between the steps, and the height of the rib positions or the steps is higher than the height of the flow guide ribs.
The computer board box is positioned between the control panel and the computer board, the inclination angle of the computer board box is a, and a is 17-21 degrees.
The water retaining part is a flange, the height difference between the highest edge of the computer board and the outer edge of the water retaining part is H, and H is more than 5 mm.
The height difference between the rib position or the step and the flow guide rib is N, and N is more than or equal to 1 mm.
The computer board box further comprises a top cover, the top cover is connected with the control panel in a matched mode, and the top cover is located above the computer board box.
The end part of the top cover is provided with a water drainage rib, a water drainage groove is formed between the water drainage rib and the top cover, and the water drainage rib and the water drainage groove are positioned below the matching part of the control panel and the top cover.
The top of control panel is provided with a plurality of buckles, and the top of computer board box corresponds is provided with a plurality of card holes, and the buckle card is gone into in the card hole.
A washing machine, includes the box, its characterized in that: the box body is provided with the circuit board waterproof structure.
The utility model discloses increase water retaining part at the top of computer board box, water retaining part outer fringe height is less than the highest edge height of computer board, and water retaining part does not have any hole site structure, can prevent that the drop of water from invading the computer board from the opening part of computer board box, the back of computer board box increases the water conservancy diversion muscle, and increase muscle position or step at the structure hole rear side of computer board box, and the height that highly is higher than the water conservancy diversion muscle of muscle position or step, because muscle position or step, the water conservancy diversion muscle can carry out the water conservancy diversion to the drop of water, can prevent that the drop of water from invading the computer board from the structure hole, can solve the short circuit problem of catching fire that the drop of water invades the computer board and arouse like this, and this waterproof construction can reduce.
Drawings
Fig. 1 is an exploded schematic view of a waterproof structure of a circuit board according to an embodiment of the present invention.
Fig. 2 is a schematic view of an overall structure of a computer board case according to an embodiment of the present invention.
Fig. 3 is a schematic view of an overall structure of a computer board case in another orientation according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a circuit board waterproof structure according to an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic view of a flow direction of water droplets according to an embodiment of the present invention.
Fig. 7 is a sectional view of a conventional circuit board waterproofing structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the waterproof structure of the circuit board comprises a control panel 1, a computer board case 2 and a computer board 3, wherein the computer board case 2 is arranged at the rear side of the control panel 1, the computer board 3 is arranged in the computer board case 2, the computer board case 2 is arranged obliquely, the computer board 3 is semi-shielded, the computer board box 2 can wrap or fix the computer board 3, the top of the computer board box 2 is provided with a water retaining part 2.1 which is obliquely arranged, the outer edge height of the water retaining part 2.1 is lower than the highest edge height of the computer board 3, the back of the computer board box 2 is provided with a plurality of structural holes 2.5, the rear side of each structural hole 2.5 is provided with a rib position 2.3 or a step, the back of the computer board box 2 is provided with a flow guiding rib 2.2, the rib positions 2.3 or the steps are connected through the flow guiding ribs 2.2, and the height of the rib position 2.3 or the step is higher than the height of the flow guiding rib 2.2, so that water beads are prevented from entering the structural holes 2.5 and invading into the computer board 3; the flow guiding ribs 2.2 can guide the water drops to enable the water drops to flow to the bottom of the computer board box 2 and flow out from a gap between the computer board box 2 and the control panel 1; because the height of the outer edge of the water retaining part 2.1 is lower than the height of the highest edge of the computer board 3, the water drops can be effectively shielded, and the water drops can be guided to flow to a position far away from the computer board 3.
The computer board case 2 is located between the control panel 1 and the computer board 3, and the inclination angle of the computer board case 2 is a, and a is 17 ° to 21 °, preferably 19 °. The computer board 3 can be effectively shielded by the inclined arrangement of the computer board box 2, and the water flow can be prevented from invading the computer board 3.
The water retaining part 2.1 is a flange, and the height difference between the highest edge of the computer board 3 and the outer edge of the water retaining part 2.1 is H, wherein H is more than 5 mm.
The height difference between the rib position 2.3 or the step and the flow guide rib 2.2 is N, N is more than or equal to 1mm, and water flow at the back of the computer board box 2 can be prevented from entering the structural hole 2.5.
The computer case further comprises a top cover 4, the top cover 4 is connected with the control panel 1 in a matched mode, and the top cover 4 is located above the computer case 2.
The end of the top cover 4 is provided with a water drainage rib 4.2, a water drainage groove 4.1 is formed between the water drainage rib 4.2 and the top cover 4, and the water drainage rib 4.2 and the water drainage groove 4.1 are positioned below the matching part 1.1 of the control panel 1 and the top cover 4. As shown by arrows in fig. 6, the water flow at the upper part of the washing machine flows into the water drainage groove 4.1 through the gap between the matching part 1.1 and the top cover 4, and the water flowing out of the water drainage groove 4.1 flows out through the gap between the water retaining part 2.1 and the top cover 4, flows to a position far away from the computer board 3 along the water retaining part 2.1, flows downwards and flows out of the electric area, and flows downwards along the back of the computer board box 2 through the flow guide rib 2.2 to the bottom of the computer board box 2, and then flows out of the electric area from the gap between the computer board box 2 and the control panel 1.
The top of control panel 1 is provided with a plurality of buckles 1.2, and the top of computer board box 2 corresponds and is provided with a plurality of card holes 2.4, and buckle 1.2 card is gone into in the card hole 2.4, realizes being connected of control panel 1 and computer board box 2. In addition, the control panel 1 and the computer board box 2 can be connected by means of screw fixation.
A washing machine comprises a box body, wherein a circuit board waterproof structure is arranged on the front side of the box body.
Compared with the circuit board box produced at present, the waterproof structure of the circuit board has the advantages of simple structure, stronger functionality, less used materials, simple installation and operation, effective prevention of water drops from invading the computer board 3 by adopting the waterproof structure, improvement of product quality, reduction of undesirable problems of short circuit, firing and the like of the circuit board in the market.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a circuit board waterproof construction, includes control panel (1), computer board box (2) and computer board (3), computer board box (2) set up in the rear side of control panel (1), and the inside at computer board box (2), its characterized in that are installed in computer board (3): computer board box (2) slope sets up and half shields computer board (3), and the top of computer board box (2) is equipped with water retaining part (2.1) that the slope set up, water retaining part (2.1) outer fringe height is less than the highest edge height of computer board (3), and the back of computer board box (2) is equipped with a plurality of structure holes (2.5), and the rear side of structure hole (2.5) is equipped with muscle position (2.3) or step, and the back of computer board box (2) is equipped with water conservancy diversion muscle (2.2), connects through water conservancy diversion muscle (2.2) between muscle position (2.3) or between the step, and the height that highly is higher than water conservancy diversion muscle (2.2) of muscle position (2.3) or step.
2. The waterproof structure of circuit board according to claim 1, characterized in that: the computer board box (2) is positioned between the control panel (1) and the computer board (3), the inclination angle of the computer board box (2) is a, and a is 17-21 degrees.
3. The waterproof structure of circuit board according to claim 1, characterized in that: the water retaining part (2.1) is a flange, the height difference between the highest edge of the computer board (3) and the outer edge of the water retaining part (2.1) is H, and H is more than 5 mm.
4. The waterproof structure of circuit board according to claim 1, characterized in that: the height difference between the rib position (2.3) or the step and the flow guide rib (2.2) is N, and N is more than or equal to 1 mm.
5. The waterproof structure of circuit board according to claim 1, characterized in that: the computer board box is characterized by further comprising a top cover (4), wherein the top cover (4) is connected with the control panel (1) in a matched mode, and the top cover (4) is located above the computer board box (2).
6. The waterproof structure of circuit board according to claim 5, wherein: the end part of the top cover (4) is provided with a water drainage rib (4.2), a water drainage groove (4.1) is formed between the water drainage rib (4.2) and the top cover (4), and the water drainage rib (4.2) and the water drainage groove (4.1) are positioned below a matching part (1.1) of the control panel (1) and the top cover (4).
7. The waterproof structure of circuit board according to claim 1, characterized in that: the top of control panel (1) is provided with a plurality of buckles (1.2), and the top of computer board box (2) corresponds is provided with a plurality of card holes (2.4), and buckle (1.2) card is gone into in calorie hole (2.4).
8. A washing machine, includes the box, its characterized in that: the box body is provided with a circuit board waterproof structure according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021638454.9U CN213507647U (en) | 2020-08-07 | 2020-08-07 | Circuit board waterproof construction and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021638454.9U CN213507647U (en) | 2020-08-07 | 2020-08-07 | Circuit board waterproof construction and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213507647U true CN213507647U (en) | 2021-06-22 |
Family
ID=76437078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021638454.9U Active CN213507647U (en) | 2020-08-07 | 2020-08-07 | Circuit board waterproof construction and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213507647U (en) |
-
2020
- 2020-08-07 CN CN202021638454.9U patent/CN213507647U/en active Active
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