CN219698259U - Circuit board ground protection device - Google Patents
Circuit board ground protection device Download PDFInfo
- Publication number
- CN219698259U CN219698259U CN202320328451.2U CN202320328451U CN219698259U CN 219698259 U CN219698259 U CN 219698259U CN 202320328451 U CN202320328451 U CN 202320328451U CN 219698259 U CN219698259 U CN 219698259U
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- Prior art keywords
- circuit board
- plate
- protection device
- spring
- power supply
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- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a circuit board grounding protection device which comprises a case and a case upper cover, wherein a fixing plate is arranged on the bottom surface of an inner cavity of the case, a spring is connected in the middle of the right side of the fixing plate, one end of the spring, which is far away from the fixing plate, is connected with a clamping plate, the clamping plate is attached to a power supply, a semiconductor refrigerating sheet is arranged in the middle of the top of the case upper cover, a heat-conducting plate is arranged at the hot end of the top of the semiconductor refrigerating sheet, the top of the heat-conducting plate is equidistantly connected with a radiating sheet, a certain pressure is applied to the clamping plate through the spring, so that the clamping plate is matched with the case to clamp and fix the power supply, the power supply is more stable, meanwhile, the semiconductor refrigerating sheet is started, the temperature in the case is reduced through a cold end at the bottom of the semiconductor refrigerating sheet, so that heat generated by the power supply is prevented from accumulating in the case to damage the power supply, the heat generated at the hot end of the top of the semiconductor refrigerating sheet is led out, and is dispersed through the radiating sheet.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a circuit board grounding protection device.
Background
The circuit board is an important carrier of electronic components and also is one of important parts forming electrical equipment, and is usually installed and fixed on a chassis in the use process, so that the circuit board works in a closed space of the chassis, and comprises a plurality of functional units, each functional unit plays a respective functional role, each functional unit is provided with a plurality of electronic components including resistors, capacitors, potentiometers, coils and the like, a power supply is also arranged in the chassis, and the circuit board and each functional unit separated by the circuit board work under the condition of power supply starting.
Chinese patent application number CN201621446581.2 discloses a circuit board ground protection device, including being used for connecting the conducting block in the chassis upper cover, the position of this conducting block corresponds with the mounted position of power, and after the chassis upper cover was closed, the conducting block contacted with the power shell, made power and chassis upper cover switch on. The utility model has the beneficial effects that: the upper cover of the chassis is closed when the circuit board is in a working state, and the conductive block is contacted with the power supply shell after the upper cover of the chassis is closed, so that the power supply shell is communicated with the chassis; through setting up elastomeric element on the contact, make contact and power contact laminating through elastomeric element to effectively avoided the power to receive the oppression and take place the danger of damage. When the upper cover of the case is closed, the elastic part arranged on the contact part of the conductive block is firstly contacted with the power supply, and the power supply cannot deform due to certain elasticity of the elastic part, so that the power supply is protected; by the mode, the magnetic field is prevented from being generated between the power supply and the magnetic rod, so that the problem that the magnetic circuit is interfered to the circuit board due to the magnetic field is solved, the circuit board and each functional unit on the circuit board are ensured to work normally, and the respective performance is exerted. Meanwhile, the protection method is simple and easy to operate, manual operation is not needed, when the circuit board is in a working state, the upper cover of the chassis is in a closed state, at the moment, the communication between the power supply and the chassis shell is automatically completed, the electric potential on the power supply is zero, and a magnetic field cannot be generated with the magnetic rod, so that magnetic circuit interference is formed, and the normal use of the circuit board is affected.
However, the circuit board ground protection device has the following disadvantages:
although prior art has set up quick-witted case and quick-witted case upper cover, but do not set up the structure that carries out the restriction to the power, can't guarantee the stability of power to the power can produce heat when the operation, and quick-witted case upper cover are covered and are set up cooling structure, can't reduce the influence of heat to the power.
Based on the above, the utility model designs a circuit board grounding protection device to solve the above problems.
Disclosure of Invention
Aiming at the problems in the related art, the utility model provides a circuit board grounding protection device to overcome the technical problems existing in the prior art.
For this purpose, the utility model adopts the following specific technical scheme:
the utility model provides a circuit board ground protection device, includes quick-witted case and quick-witted case upper cover, machine case inner chamber bottom surface is provided with the fixed plate, be connected with the spring in the middle of the fixed plate right side, the one end that the fixed plate was kept away from to the spring is connected with the splint, just splint laminate mutually with the power, be provided with the semiconductor refrigeration piece in the middle of the machine case upper cover top, the hot end at semiconductor refrigeration piece top is provided with the heat-conducting plate, the equidistance of heat-conducting plate top is connected with the fin.
Preferably, a sleeve and a stabilizer bar are arranged in the middle of the spring, the left end of the sleeve is connected with the fixed plate, the left end of the stabilizer bar is sleeved on the inner wall of the right end of the sleeve, and the right end of the stabilizer bar is connected with the clamping plate.
Preferably, the spring outer side sleeve is provided with a first reinforcing pipe and a second reinforcing pipe, the left end of the first reinforcing pipe is connected with the fixed plate, the right end of the second reinforcing pipe is connected with the clamping plate, and the left end of the second reinforcing pipe is sleeved on the outer wall of the first reinforcing pipe.
Preferably, limiting plates are arranged at four corners of the outer wall of the semiconductor refrigerating sheet, and a first protection net is connected between two adjacent limiting plates.
Preferably, the top of the limiting plate is provided with a top plate, a square opening is formed in the middle of the top plate, a second protective net is arranged in the square opening, and the second protective net is connected with the square opening.
Preferably, the front end and the rear end of the left side and the front end and the rear end of the right side of the top plate are respectively provided with a mounting plate, the mounting plates are attached to the limiting plates, one side of each mounting plate, which is opposite to each limiting plate, is provided with a fixing bolt, and the tail ends of the fixing bolts penetrate through the mounting plates and are in threaded connection with the limiting plates.
The beneficial effects of the utility model are as follows:
1. the clamping plate is applied with certain pressure through the spring, so that the clamping plate is matched with the case to clamp and fix the power supply, the power supply is more stable, the semiconductor refrigerating sheet is started simultaneously, the temperature in the case is reduced through the cold end at the bottom of the semiconductor refrigerating sheet, the heat generated by the power supply is prevented from accumulating in the case to damage the power supply, and the heat generated by the hot end at the top of the semiconductor refrigerating sheet is led out by the heat conducting plate and is dissipated through the heat radiating sheet.
2. Through setting up sleeve pipe, stabilizer bar, first enhancement pipe and second enhancement pipe, can strengthen the stability of splint for splint better presss from both sides tightly the power.
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 needed in the embodiments will be briefly described below, 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 these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a circuit board ground protection device according to an embodiment of the present utility model;
fig. 2 is a schematic diagram illustrating an internal structure of a circuit board ground protection device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a first reinforcement tube connection of a circuit board ground protection device according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of portion A of a circuit board ground protection device according to an embodiment of the present utility model;
fig. 5 is an enlarged schematic view of a portion B of a circuit board ground protection device according to an embodiment of the present utility model.
In the figure:
1. a chassis; 2. a chassis upper cover; 3. a fixing plate; 4. a spring; 5. a clamping plate; 6. a semiconductor refrigeration sheet; 7. a heat conductive plate; 8. a heat sink; 9. a sleeve; 10. a stabilizer bar; 11. a first reinforcing tube; 12. a second reinforcing tube; 13. a limiting plate; 14. a first protection net; 15. a top plate; 16. a square mouth; 17. a second protection net; 18. a mounting plate; 19. and a fixing bolt.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a circuit board ground protection device is provided.
Example 1
As shown in fig. 1-5, a circuit board grounding protection device according to an embodiment of the utility model comprises a chassis 1 and a chassis upper cover 2, wherein a fixing plate 3 is arranged on the bottom surface of an inner cavity of the chassis 1, a spring 4 is connected in the middle of the right side of the fixing plate 3, one end of the spring 4, which is far away from the fixing plate 3, is connected with a clamping plate 5, the clamping plate 5 is attached to a power supply, a semiconductor refrigerating sheet 6 is arranged in the middle of the top of the chassis upper cover 2, a heat conducting plate 7 is arranged at the hot end of the top of the semiconductor refrigerating sheet 6, radiating sheets 8 are equidistantly connected to the top of the heat conducting plate 7, a sleeve 9 and a stabilizer bar 10 are arranged in the middle of the spring 4, the left end of the sleeve 9 is connected with the fixing plate 3, the left end of the stabilizer bar 10 is sleeved on the inner wall of the right end of the sleeve 9, the right end of the stabilizer bar 10 is connected with the clamping plate 5, and the stability of the clamping plate 5 is enhanced, so that the clamping plate 5 clamps the power supply better.
Example two
As shown in fig. 1-5, a circuit board grounding protection device according to an embodiment of the utility model comprises a chassis 1 and a chassis upper cover 2, wherein a fixing plate 3 is arranged on the bottom surface of an inner cavity of the chassis 1, a spring 4 is connected in the middle of the right side of the fixing plate 3, one end of the spring 4, which is far away from the fixing plate 3, is connected with a clamping plate 5, the clamping plate 5 is attached to a power supply, a semiconductor refrigerating sheet 6 is arranged in the middle of the top of the chassis upper cover 2, a heat conducting plate 7 is arranged at the hot end of the top of the semiconductor refrigerating sheet 6, radiating fins 8 are equidistantly connected to the top of the heat conducting plate 7, a first reinforcing pipe 11 and a second reinforcing pipe 12 are sleeved outside the spring 4, the left end of the first reinforcing pipe 11 is connected with the fixing plate 3, the right end of the second reinforcing pipe 12 is connected with the clamping plate 5, and the left end of the second reinforcing pipe 12 is sleeved on the outer wall of the first reinforcing pipe 11, so that the stability of the clamping plate 5 is further enhanced.
Example III
As shown in fig. 1-5, a circuit board grounding protection device according to an embodiment of the utility model comprises a chassis 1 and a chassis upper cover 2, a fixing plate 3 is arranged on the bottom surface of the inner cavity of the chassis 1, a spring 4 is connected in the middle of the right side of the fixing plate 3, one end of the spring 4, which is far away from the fixing plate 3, is connected with a clamping plate 5, the clamping plate 5 is attached to a power supply, a semiconductor refrigerating plate 6 is arranged in the middle of the top of the chassis upper cover 2, a heat conducting plate 7 is arranged at the hot end of the top of the semiconductor refrigerating plate 6, radiating fins 8 are equidistantly connected to the top of the heat conducting plate 7, limiting plates 13 are arranged at four corners of the outer wall of the semiconductor refrigerating plate 6, a first protective net 14 is connected between two adjacent limiting plates 13, a top of the limiting plates 13 is provided with a top plate 15, a square opening 16 is formed in the middle of the top plate 15, a second protective net 17 is arranged in the square opening 16, the second protective net 17 is connected with the square opening 16, the radiating effect of the radiating fins is guaranteed, the semiconductor refrigerating plate, the heat conducting plate and the radiating fins are protected by the front and rear ends of the left side and the right side of the top plate 15, the mounting plate 18 are arranged at the front and rear ends and the right side, the rear ends of the mounting plate 18 are attached to the rear ends of the mounting plate 13 and the rear end 13 are connected with the limiting plates 13, the limiting plates 13 and the limiting plates 13 are connected with the limiting plates 13 through bolts, and the fixing bolts are arranged between the limiting plates 13 and the fixing plates 13.
In summary, by means of the above technical scheme of the utility model, when the device is used, the external power supply is used for supplying power to the semiconductor refrigerating sheet 6, a certain pressure is applied to the clamping plate 5 through the spring 4, so that the clamping plate 5 is matched with the case 1 to clamp and fix the power supply, the power supply is more stable, meanwhile, the semiconductor refrigerating sheet 6 is started, the cold end at the bottom of the semiconductor refrigerating sheet 6 is used for cooling the case 1, so that the heat generated by the power supply is prevented from accumulating in the case 1 to damage the power supply, and the heat generated by the hot end at the top of the semiconductor refrigerating sheet 6 is led out by the heat conducting plate 7 and is dispersed by the radiating sheet 8.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a circuit board ground connection protection device, includes quick-witted case (1) and quick-witted case upper cover (2), its characterized in that, machine case (1) inner chamber bottom surface is provided with fixed plate (3), be connected with spring (4) in the middle of fixed plate (3) right side, the one end that fixed plate (3) was kept away from to spring (4) is connected with splint (5), just splint (5) laminate mutually with the power, be provided with semiconductor refrigeration piece (6) in the middle of machine case upper cover (2) top, the hot junction at semiconductor refrigeration piece (6) top is provided with heat conduction board (7), heat conduction board (7) top equidistance is connected with fin (8).
2. The circuit board grounding protection device according to claim 1, wherein a sleeve (9) and a stabilizer bar (10) are arranged in the middle of the spring (4), the left end of the sleeve (9) is connected with the fixed plate (3), the left end of the stabilizer bar (10) is sleeved on the inner wall of the right end of the sleeve (9), and the right end of the stabilizer bar (10) is connected with the clamping plate (5).
3. The circuit board grounding protection device according to claim 1, wherein a first reinforcing pipe (11) and a second reinforcing pipe (12) are sleeved outside the spring (4), the left end of the first reinforcing pipe (11) is connected with the fixed plate (3), the right end of the second reinforcing pipe (12) is connected with the clamping plate (5), and the left end of the second reinforcing pipe (12) is sleeved on the outer wall of the first reinforcing pipe (11).
4. The circuit board grounding protection device according to claim 1, wherein limiting plates (13) are arranged at four corners of the outer wall of the semiconductor refrigerating sheet (6), and a first protection net (14) is connected between two adjacent limiting plates (13).
5. The circuit board grounding protection device according to claim 4, wherein a top plate (15) is arranged at the top of the limiting plate (13), a square opening (16) is formed in the middle of the top plate (15), a second protection net (17) is arranged in the square opening (16), and the second protection net (17) is connected with the square opening (16).
6. The circuit board grounding protection device according to claim 5, wherein mounting plates (18) are arranged at the front end and the rear end of the left side and the front end and the rear end of the right side of the top plate (15), the mounting plates (18) are attached to the limiting plates (13), fixing bolts (19) are arranged at the sides, opposite to the limiting plates (13), of the mounting plates (18), and tail ends of the fixing bolts (19) penetrate through the mounting plates (18) to be in threaded connection with the limiting plates (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320328451.2U CN219698259U (en) | 2023-02-27 | 2023-02-27 | Circuit board ground protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320328451.2U CN219698259U (en) | 2023-02-27 | 2023-02-27 | Circuit board ground protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219698259U true CN219698259U (en) | 2023-09-15 |
Family
ID=87963948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320328451.2U Active CN219698259U (en) | 2023-02-27 | 2023-02-27 | Circuit board ground protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219698259U (en) |
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2023
- 2023-02-27 CN CN202320328451.2U patent/CN219698259U/en active Active
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