CN214898559U

CN214898559U - Power protection plate with built-in heat dissipation mechanism

Info

Publication number: CN214898559U
Application number: CN202121663217.2U
Authority: CN
Inventors: 黄荠文; 盘林培
Original assignee: Shenzhen Kechuangxin Electronic Technology Co ltd
Current assignee: Shenzhen Kechuangxin Electronic Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-26
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a power protection shield of built-in heat dissipation mechanism relates to power protection shield equipment technical field, and power protection shield is to the charge-discharge protection of establishing ties lithium cell group, can be used for prolonging battery life, nevertheless because power protection shield does not set up heat radiation structure and leads to the upper temperature along with external temperature rising, especially when using in summer, very easily causes control IC, MOS switch, resistance capacitance's damage on the protection shield, causes whole electric plate to scrap. Make the power tube can not contact the power protection shield body through the thermovent, can effectually make the circulation of air, reduce and generate heat, ensure through the wind gap that the wind of fan during operation can be fixed and carry to the power protection shield body position of generating heat to reduce the stability of power protection shield body in the use, and through heat conduction aluminum plate's material characteristic, make the temperature can the rapid transfer to heating panel department accelerate the rate of heat dissipation.

Description

Power protection plate with built-in heat dissipation mechanism

Technical Field

The utility model relates to a power protection shield equipment technical field specifically is a power protection shield of built-in heat dissipation mechanism.

Background

The power supply protection board is used for charging and discharging protection of the series lithium battery pack, and can ensure that the voltage difference between the single batteries is smaller than a set value (generally +/-20 mV) when the battery pack is fully charged, so that the uniform charging of the single batteries of the battery pack is realized, and the charging effect in a series charging mode is effectively improved; simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged; when the conventional power protection plate is used in summer, the upper temperature of the power protection plate rises along with the external temperature due to the fact that the power protection plate is not provided with a heat dissipation structure, so that the control IC, the MOS switch and the resistor capacitor on the protection plate are easily damaged, and the whole protection plate is scrapped. Therefore, a power protection board with a built-in heat dissipation mechanism is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power protection shield of built-in heat dissipation mechanism, the air conversion rate at power protection shield body heating element position is quickened through the fan to cooperation through heat conduction aluminum plate and heating panel is used and can more have effectually dispels the heat, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power protection shield of built-in heat dissipation mechanism, includes the power protection shield body, power protection shield body upper portion equidistance fixed mounting has the power tube, the power protection shield body corresponds the power tube position and runs through and has seted up the thermovent, run through about the power protection shield body and has seted up the wind gap, wind gap upper portion fixed mounting has the fan, power protection shield body lower part laminating fixed mounting has heat conduction aluminum plate, heat conduction aluminum plate lower part laminating movable mounting has the heating panel, power protection shield body upper surface front side fixed mounting has equalizing resistance, equalizing resistance left side fixed mounting has the line board socket.

Preferably, the B-wiring terminal is fixedly installed on the rear side of the upper surface of the power protection plate body at equal intervals, the P-wiring terminal is correspondingly and fixedly installed on the front side of the B-wiring terminal, and inner thread grooves are formed in the upper portions of the B-wiring terminal and the P-wiring terminal in a penetrating mode.

Preferably, the power tubes are fixedly installed in the middle of the B-wiring terminal and the P-wiring terminal, and the power tubes are located on the upper portion of the heat dissipation port and are installed at equal intervals.

Preferably, the front and rear connecting end points of the power tube are downward fixedly provided with a supporting wiring, the other end of the supporting wiring is fixedly arranged on the upper surface of the power protection plate body, and a lifting fixing plate is fixedly arranged outside the power tube.

Preferably, the lifting fixing plate is provided with fixing grooves corresponding to wiring end points on the left side and the right side of the power tube, and a middle partition plate is fixedly arranged in the middle of the lifting fixing plate corresponding to the middle of the front power tube and the rear power tube.

Preferably, the front side and the rear side of the lifting fixing plate are fixedly provided with connecting seats, the connecting seats are fixedly arranged on the upper surface of the power protection plate body, and the middle part of the lifting fixing plate is not attached to the upper surface of the power protection plate body.

Preferably, the air port upper surface is fitted with a protection seat, the protection seat is provided with a connection power supply at the front and back outer surface of the left side, the bottom end of the connection power supply is fixedly arranged on the upper surface of the power protection plate body, the protection seat is fixedly provided with a fixing clamp plate at the upper part, and the fan upper driving block is fixedly arranged inside the fixing clamp plate.

Preferably, the lower surface of the power protection plate body is upwards provided with a clamping groove, the outer surface of the clamping groove is fixedly provided with a heat conduction aluminum plate in a laminating mode, and the ventilation pipe is arranged in the heat conduction aluminum plate at an equal interval.

Preferably, the air supply opening is formed in the position, corresponding to the air opening, of the upper surface of the heat-conducting aluminum plate downwards, the air outlet groove is formed in the position, corresponding to the heat dissipation opening, of the upper surface of the heat-conducting aluminum plate downwards, and the air supply opening is connected with the air outlet groove through a ventilation pipe penetrating through the air outlet groove.

Preferably, the power protection plate body and the heat dissipation plate are symmetrically and fixedly provided with connecting side lugs in a front-back manner, and the middle parts of the connecting side lugs are movably connected through movably arranged locking bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the thermovent that sets up, the cooperation of wind gap and fan can come to use the position that generates heat more easily to the power protection shield body and carry out the pertinence cooling through the work of fan in the power protection shield body use, make the power tube can not contact the power protection shield body through the thermovent, can effectually make the circulation of air after raising the height of power protection shield body, reduce and generate heat, guarantee through the wind gap that the wind of fan during operation can be fixed by the position that generates heat of power protection shield body, thereby reduce the stability of power protection shield body in the use.

2. Through the cooperation of the heat conduction aluminum plate who sets up and heating panel can be more effectual wholly carry out heat conduction, radiating work to power protection shield body, through the fixed surface installation of heat conduction aluminum plate laminating power protection shield body lower surface to through heat conduction aluminum plate's material characteristic, make the temperature can the fast transmission to heating panel department, accelerate the rate of heat dissipation through the heating panel, the work of cooperation fan comes the more stable efficient solution condition of generating heat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the structure of the heat conducting aluminum plate and the heat dissipating plate of the present invention;

FIG. 3 is an exploded view of the upper assembly of the power protection shield body of the present invention;

fig. 4 is the utility model discloses power tube and lift up fixed plate mounting structure breakdown drawing.

In the figure: 1. a power protection plate body; 2. b-a connecting terminal; 3. a P-terminal; 4. a power tube; 5. supporting the wiring; 6. lifting the fixed plate; 7. fixing grooves; 8. a connecting seat; 9. equalizing the resistance; 10. a heat dissipation port; 11. a tuyere; 12. a protective seat; 13. connecting a power supply; 14. fixing the clamping plate; 15. a fan; 16. a card slot; 17. a heat conducting aluminum plate; 18. an air supply outlet; 19. an air outlet groove; 20. a vent pipe; 21. a heat dissipation plate; 22. connecting the side lug; 23. locking the bolt; 24. a line board socket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides: the utility model provides a power protection shield of built-in heat dissipation mechanism, including power

protection shield body

1, 1 upper portion equidistance fixed mounting of power protection shield body has power tube 4, power protection shield body 1 corresponds 4 positions of power tube and runs through and has seted up thermovent 10, run through about power protection shield body 1 and has seted up

wind gap

11, 11 upper portion fixed mounting in

wind gap

15, 1 lower part laminating fixed mounting of power protection shield body has heat conduction aluminum plate 17, the laminating movable mounting in heat conduction aluminum plate 17 lower part has

heating panel

21, 1 upper surface front side fixed mounting of power protection shield body has equalizing resistance 9, equalizing resistance 9 left side fixed mounting has line board socket 24.

B-wiring terminals 2 are fixedly arranged on the rear side of the upper surface of the power protection plate body 1 at equal intervals, P-wiring terminals 3 are correspondingly and fixedly arranged on the front sides of the B-wiring terminals 2, and inner thread grooves are formed in the upper portions of the B-wiring terminals 2 and the P-wiring terminals 3 in a penetrating mode.

The power tube 4 is fixedly installed in the middle of the B-wiring terminal 2 and the P-wiring terminal 3, the power tube 4 is located on the upper portion of the heat dissipation port 10 and is installed at the same distance, a technician can sleeve a glass fiber tube outside a wire, the tail end of the wire is fixedly bolted with the B-wiring terminal 2 and the P-wiring terminal 3 through screws and wiring terminals to achieve the purpose of power protection, the power resistance is adjusted through the power tube 4 and the balance resistance 9, and the use safety of the power supply and the power protection board body 1 is protected.

The front side connection end point is fixed mounting downwards around power tube 4 and is supported wiring 5, supports 5 other ends fixed mounting of wiring and at the 1 upper surface of power protection shield body, and power tube 4 outside fixed mounting has lifts fixed plate 6, makes power tube 4 lift through supporting wiring 5 and increases the air flow, cooling with higher speed.

Lift fixed plate 6 and correspond power tube 4 left and right sides wiring end and seted up fixed slot 7, lift up fixed plate 6 middle part and correspond around power tube 4 middle part fixed mounting have a median septum, set up fixed slot 7 that lifts up fixed plate 6 inside and come fixed power tube 4 both sides to connect the electric port, reach the purpose of protection, thermovent 10 begins to power tube 4, can make the circulation of air more stable, plays better radiating effect.

Lift up fixed plate 6 front and back both sides fixed mounting and have connecting

seat

8, 8 fixed mounting of connecting seat are on 1 upper surface of power protection shield body, lift up 6 middle parts of fixed plate and do not laminate 1 upper surfaces of power protection shield body, fixed plate 6 comes to carry on spacingly to power tube 4, guarantee that power tube 4 can not contact 1 surface work of power protection shield body, and guarantee that stable position is difficult for in use to cause the damage.

The upper surface of the air port 11 is fitted with a protection seat 12, the front and back outer surfaces on the left side of the protection seat 12 are symmetrically and fixedly provided with a connection power supply 13, the bottom end of the connection power supply 13 is fixedly arranged on the upper surface of the power protection plate body 1, the upper part of the protection seat 12 is fixedly provided with a fixed clamping plate 14, an upper driving block of the fan 15 is fixedly arranged inside the fixed clamping plate 14, the protection seat 12 and the fixed clamping plate 14 fix the fan 15, and the air blown out by the fan 15 can be blown out through the air port 11.

The lower surface of the power protection plate body 1 is provided with a clamping groove 16 upwards, the outer surface of the clamping groove 16 is fixedly provided with a heat conduction aluminum plate 17 in a laminating mode, the ventilation pipe 20 is arranged in the inner portion of the heat conduction aluminum plate 17 at an equal distance, the heat conduction aluminum plate 17 is fixedly laminated on the lower surface of the power protection plate body 1 through the clamping groove 16, and the power protection plate body 1 can be cooled more favorably.

The air supply outlet 18 is downwards arranged on the upper surface of the heat-conducting aluminum plate 17 corresponding to the air inlet 11, the air outlet groove 19 is downwards arranged on the upper surface of the heat-conducting aluminum plate 17 corresponding to the heat dissipation outlet 10, the air supply outlet 18 and the air outlet groove 19 are connected through the ventilation pipe 20 which is arranged in a penetrating way, the air supply outlet 18 and the air outlet groove 19 which are arranged on the upper portion of the heat-conducting aluminum plate 17 are connected through the ventilation pipe 20, and the condition that the air blown out by the fan 15 is smoothly conveyed to the lower portion of the power pipe 4 to dissipate heat with higher speed can be guaranteed.

The power protection plate body 1 and the heating panel 21 are symmetrically and fixedly provided with connecting side lugs 22 at the front and back sides of the left side and the right side, the middle parts of the connecting side lugs 22 are movably connected through a locking bolt 23 which is movably arranged, a technician can connect the power protection plate body 1 and the heating panel 21 through screwing the locking bolt 23, and the heating panel 21 is attached to the heat conducting aluminum plate 17 to dissipate heat in an accelerating manner.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power protection shield of built-in heat dissipation mechanism, includes power protection shield body (1), its characterized in that: power protection shield body (1) upper portion equidistance fixed mounting has power tube (4), power protection shield body (1) corresponds power tube (4) position and runs through and has seted up thermovent (10), power protection shield body (1) runs through from top to bottom and has seted up wind gap (11), wind gap (11) upper portion fixed mounting has fan (15), power protection shield body (1) lower part laminating fixed mounting has heat conduction aluminum plate (17), heat conduction aluminum plate (17) lower part laminating movable mounting has heating panel (21), power protection shield body (1) upper surface front side fixed mounting has equalizing resistance (9), equalizing resistance (9) left side fixed mounting has line board socket (24).

2. The power protection board with the built-in heat dissipation mechanism as claimed in claim 1, wherein: the power protection plate is characterized in that a B-wiring terminal (2) is fixedly mounted on the rear side of the upper surface of the power protection plate body (1) at equal intervals, a P-wiring terminal (3) is fixedly mounted on the front side of the B-wiring terminal (2) correspondingly, and inner thread grooves are formed in the upper portions of the B-wiring terminal (2) and the P-wiring terminal (3) in a penetrating mode.

3. The power protection board with the built-in heat dissipation mechanism as claimed in claim 2, wherein: the power tube (4) is fixedly arranged in the middle of the B-wiring terminal (2) and the P-wiring terminal (3), and the power tube (4) is arranged on the upper portion of the heat dissipation port (10) at equal intervals.

4. A power protection board with a built-in heat dissipation mechanism as claimed in claim 3, wherein: the power protection plate is characterized in that a supporting wiring (5) is fixedly installed at the connecting end point of the front side and the rear side of the power tube (4) downwards, the other end of the supporting wiring (5) is fixedly installed on the upper surface of the power protection plate body (1), and a lifting fixing plate (6) is fixedly installed outside the power tube (4).

5. The power protection board with the built-in heat dissipation mechanism as claimed in claim 4, wherein: the lifting fixing plate (6) is provided with fixing grooves (7) corresponding to wiring end points on the left side and the right side of the power tube (4), and a middle partition plate is fixedly arranged in the middle of the lifting fixing plate (6) corresponding to the middle positions of the front power tube and the rear power tube (4).

6. The power protection board with the built-in heat dissipation mechanism as claimed in claim 5, wherein: the front side and the rear side of the lifting fixing plate (6) are fixedly provided with connecting seats (8), the connecting seats (8) are fixedly arranged on the upper surface of the power protection plate body (1), and the middle part of the lifting fixing plate (6) is not attached to the upper surface of the power protection plate body (1).

7. The power protection board with the built-in heat dissipation mechanism as claimed in claim 6, wherein: wind gap (11) upper surface laminating fixed mounting has protection seat (12), symmetrical fixed mounting has connection power (13) around protection seat (12) left side surface, connection power (13) bottom fixed mounting is at power protection shield body (1) upper surface, protection seat (12) upper portion fixed mounting has solid fixed splint (14), fan (15) upper portion drive block fixed mounting is inside solid fixed splint (14).

8. The power protection board with the built-in heat dissipation mechanism as claimed in claim 7, wherein: draw-in groove (16) have been seted up to power protection shield body (1) lower surface upwards, draw-in groove (16) surface laminating fixed mounting heat conduction aluminum plate (17), ventilation pipe (20) have been seted up to heat conduction aluminum plate (17) inside equidistance.

9. The power protection board with the built-in heat dissipation mechanism as claimed in claim 8, wherein: the utility model discloses a heat-conducting aluminum plate, including heat-conducting aluminum plate (17), wind gap (11), air supply outlet (18) have been seted up downwards to heat-conducting aluminum plate (17) upper surface corresponding wind gap (11) position, air-out groove (19) have been seted up downwards to heat-conducting aluminum plate (17) upper surface corresponding thermovent (10) position, air supply outlet (18) and air-out groove (19) are connected through ventilation pipe (20) that run through to set up.

10. The power protection board with the built-in heat dissipation mechanism as claimed in claim 9, wherein: the power protection plate is characterized in that connection side lugs (22) are symmetrically and fixedly arranged on the front side and the rear side of the left side and the right side of the power protection plate body (1) and the heat dissipation plate (21), and the middle parts of the connection side lugs (22) are movably connected through movably arranged locking bolts (23).