CN223584399U - A high-temperature resistant PCBA motherboard - Google Patents
A high-temperature resistant PCBA motherboardInfo
- Publication number
- CN223584399U CN223584399U CN202422855308.6U CN202422855308U CN223584399U CN 223584399 U CN223584399 U CN 223584399U CN 202422855308 U CN202422855308 U CN 202422855308U CN 223584399 U CN223584399 U CN 223584399U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- movable window
- wall
- mounting box
- pcba
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a high-temperature-resistant PCBA main board, which comprises a mounting box and a cover plate, wherein the PCBA main board is arranged in the mounting box, a protection component is arranged above the mounting box, a heat dissipation component which can uniformly dissipate heat of the PCBA main board is arranged on the cover plate, the heat dissipation component comprises a movable window, a dust screen, a top bin, a motor, a limit groove, a limiting block, a heat dissipation fan and a screw rod, the movable window is arranged on the mounting box and the cover plate, the dust screen is arranged on the inner wall of the movable window, the top bin is arranged in the cover plate, the motor is arranged in the top bin, the limit groove is arranged on the inner wall of the movable window, the limiting block is in sliding connection with the inner wall of the limit groove, the heat dissipation fan is arranged between the limiting blocks, the screw rod is coaxially connected with an output shaft of the motor through a coupling, and the other end of the screw rod penetrates through and is in rotary connection with the inner wall of the movable window. According to the technical scheme, the high-temperature-resistant PCBA main board can achieve the purpose of uniform heat dissipation.
Description
Technical Field
The utility model relates to the technical field of PCBA mainboards, in particular to a high-temperature-resistant PCBA mainboard.
Background
Printed circuit boards, also called "printed circuit boards, printed wiring boards, often referred to by the acronym PCB, are important electronic components, are supports for electronic components, are providers of circuit connections for electronic components, and are called" printed "circuit boards because they are manufactured by electronic printing techniques, and before the occurrence of printed circuit boards, interconnections between electronic components are directly connected by wires to form complete circuits, and circuit boards exist only as effective experimental tools, while printed circuit boards have become an absolute dominant position in the electronic industry.
According to the Chinese patent application number CN202222583828.7, the high-reliability high-temperature-resistant PCBA main board comprises a PCBA main board and an installation box for installing the PCBA main board, wherein a heat conduction component for heat conduction is installed on the PCBA main board; the heat conduction assembly comprises a mounting hole, a heat conduction bolt, a heat conduction component and a heat conduction component, wherein the mounting hole is formed in a PCBA main board, an annular heat conduction pad is arranged on the inner wall of the mounting hole, the outer wall of the heat conduction bolt is in sliding connection with the inner wall of the mounting hole and the inner wall of the annular heat conduction pad, the heat conduction component is arranged below the PCBA main board, the top end of the heat conduction component is connected with the bottom end of the heat conduction bolt, heat accumulated in the main board of the PCBA main board is conducted to the annular heat conduction pad through the mounting hole and then is transmitted to the heat conduction bolt through the annular heat conduction pad, and then the heat conduction bolt is conducted to the heat conduction component to increase the heat dissipation area, so that the heat dissipation efficiency is improved.
Disclosure of utility model
The utility model mainly aims to provide a high-temperature-resistant PCBA main board and aims to solve the technical problem of uneven heat dissipation caused by the prior art.
In order to achieve the above purpose, the high-temperature-resistant PCBA main board provided by the utility model comprises a mounting box and a cover plate, wherein the PCBA main board is arranged in the mounting box, a protection component is arranged above the mounting box, and a heat dissipation component capable of enabling the PCBA main board to uniformly dissipate heat is arranged on the cover plate;
The heat dissipation assembly comprises a movable window, a dust screen, a top bin, a motor, a limit groove, a limiting block, a heat dissipation fan and a screw rod, wherein the movable window is arranged on the mounting box and the cover plate, the dust screen is arranged on the inner wall of the movable window, the top bin is arranged in the cover plate, the motor is arranged in the top bin, the limit groove is arranged on the inner wall of the movable window, the limiting block is in sliding connection with the inner wall of the limit groove, the heat dissipation fan is arranged between the limiting blocks, the screw rod is coaxially connected with an output shaft of the motor through a shaft coupling, and the other end of the screw rod penetrates through and is in rotary connection with the inner wall of the movable window.
Optionally, the number of the dustproof nets is plural, and a space is provided between the dustproof nets.
Optionally, the cooling fan is in threaded connection with the screw rod.
Optionally, the protection subassembly includes apron, recess, first magnetic stripe and second magnetic stripe, the apron with the top of installation box articulates mutually, the recess set up in the top of apron, first magnetic stripe is located the bottom of apron, the second magnetic stripe is located the interior bottom wall of recess.
Optionally, the first magnetic stripe is opposite to the second magnetic stripe.
Optionally, the bottom of installation box is equipped with the installation stabilizer blade, the quantity of installation stabilizer blade is a plurality of.
When the high-temperature-resistant PCBA main board is required to be subjected to uniform heat radiation, the motor and the heat radiation fan are started, the screw rod drives the heat radiation fan to move left and right in a reciprocating manner through the limiting grooves and the limiting blocks, high temperature emitted by the high-temperature-resistant PCBA main board in the installation box is blown out from the movable window in the cover plate, then the outside normal temperature is enabled to flow rapidly through the movable window at the bottom of the installation box, and accordingly the PCBA main board in operation is enabled to perform uniform heat radiation, and heat radiation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing the overall structure of a high temperature resistant PCBA motherboard according to an embodiment of the present utility model;
FIG. 2 is a front view of a high temperature resistant PCBA motherboard according to an embodiment of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
Fig. 5 is a top view of a high temperature resistant PCBA motherboard according to an embodiment of the present utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
The number of the reference numerals is 1, the installation box, 2, the PCBA main board, 3, the protection component, 31, the cover plate, 32, the groove, 33, the first magnetic stripe, 34, the second magnetic stripe, 4, the heat dissipation component, 41, the movable window, 42, the dust screen, 43, the top bin, 44, the motor, 45, the limit groove, 46, the limit block, 47, the heat dissipation fan, 48 and the screw rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a high-temperature-resistant PCBA main board.
As shown in fig. 1 to 5, in an embodiment of the present utility model, the high temperature resistant PCBA motherboard includes a mounting box 1 and a cover plate 31, wherein a PCBA motherboard 2 is disposed inside the mounting box 1, a protection component 3 is disposed above the mounting box 1, and a heat dissipation component 4 capable of uniformly dissipating heat from the PCBA motherboard 2 is disposed on the cover plate 31;
The heat dissipation assembly 4 comprises a movable window 41, a dust screen 42, a top bin 43, a motor 44, a limiting groove 45, a limiting block 46, a heat dissipation fan 47 and a screw rod 48, wherein the movable window 41 is arranged on the mounting box 1 and the cover plate 31, the dust screen 42 is arranged on the inner wall of the movable window 41, the top bin 43 is arranged in the cover plate 31, the motor 44 is arranged in the top bin 43, the limiting groove 45 is arranged on the inner wall of the movable window 41, the limiting block 46 is in sliding connection with the inner wall of the limiting groove 45, the heat dissipation fan 47 is arranged between the limiting blocks 46, the screw rod 48 is coaxially connected with an output shaft of the motor 44 through a coupling, and the other end of the screw rod penetrates through and is in rotary connection with the inner wall of the movable window 41.
Specifically, the number of the dust-proof nets 42 is plural, and there is provided a space therebetween, and preferably, in the present embodiment, the number of the dust-proof nets 42 is two, so that dust-proof and insect-proof effects are conveniently exerted on the bottom of the mounting case 1 and the top of the cover plate 31.
Specifically, the cooling fan 47 is in threaded connection with the screw rod 48, so that the screw rod 48 drives the cooling fan 47 to perform reciprocating adjustment.
Specifically, the protection component 3 includes a cover plate 31, a groove 32, a first magnetic stripe 33 and a second magnetic stripe 34, the cover plate 31 is hinged to the top of the installation box 1, the groove 32 is formed in the top of the cover plate 31, the first magnetic stripe 33 is formed in the bottom of the cover plate 31, and the second magnetic stripe 34 is formed in the inner bottom wall of the groove 32.
Specifically, the first magnetic stripe 33 and the second magnetic stripe 34 are opposite to each other, the first magnetic stripe 33 and the second magnetic stripe 34 make the mounting box 1 and the cover plate 31 play a role in fixing and limiting, and the first magnetic stripe 33 and the second magnetic stripe 34 are separable under a relatively large opposite acting force.
Specifically, the bottom of the installation box 1 is provided with a plurality of installation legs, preferably, in this embodiment, the number of installation legs is four, so that the movable window 41 at the bottom of the installation box 1 and the movable window 41 at the top of the cover plate 31 form convection, and air inside the installation box 1 is convenient to flow.
Specifically, the working principle and the using process of the utility model are as follows:
When the high-temperature-resistant PCBA main board 2 needs to be uniformly cooled, the motor 44 and the cooling fan 47 are started, the screw rod 48 drives the cooling fan 47 to limit through the limiting groove 45 and the limiting block 46, the cooling fan is moved left and right in a reciprocating mode, high temperature emitted by the high-temperature-resistant PCBA main board 2 inside the installation box 1 is blown out from the movable window 41 in the cover plate 31, then the outside normal temperature is enabled to flow inside the movable window 41 at the bottom of the installation box 1, and the air inside the movable window 41 is enabled to flow rapidly, so that the PCBA main board 2 in operation can be cooled uniformly.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422855308.6U CN223584399U (en) | 2024-11-22 | 2024-11-22 | A high-temperature resistant PCBA motherboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422855308.6U CN223584399U (en) | 2024-11-22 | 2024-11-22 | A high-temperature resistant PCBA motherboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223584399U true CN223584399U (en) | 2025-11-21 |
Family
ID=97701820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422855308.6U Active CN223584399U (en) | 2024-11-22 | 2024-11-22 | A high-temperature resistant PCBA motherboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223584399U (en) |
-
2024
- 2024-11-22 CN CN202422855308.6U patent/CN223584399U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |