Charger overheating protection device

Abstract

The utility model discloses a charger overheat protection device which comprises a device box, a transparent window is arranged on the front side of the device box, a charger is fixedly installed in the device box, active heat dissipation assemblies are fixedly installed at the top and the bottom of the device box, a top sealing piece for sealing the interior of the device box is arranged at the top of the device box, and the top sealing piece is arranged at the bottom of the device box. The active heat dissipation assembly is matched with the top sealing piece to achieve cold air flow heat dissipation, two emergency fire extinguishing tables coping with fire are arranged on the side face of the device box, and a side protection block capable of achieving emergency power failure is fixedly installed on the side face of the device box. According to the utility model, active heat dissipation can be carried out on the charger in operation in multiple modes and multiple positions, the heat dissipation effect is good, a power supply can be cut off when a fire occurs, the interior is sealed, and the fire is extinguished in time through carbon dioxide, so that the fire is prevented from spreading.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal protection circuits, in particular to a charger overheat protection device. Background Art

[0002] The existing new type of intelligent charger thermal protection circuit basically uses heat dissipation to protect the circuit. Its main working principle is to reduce the heat generated during the working process to reduce the possibility of equipment failure due to overheating, so as to protect the charging circuit. However, this method can only dissipate heat and cannot perform other protection treatments. When a short circuit or fire occurs, it cannot be handled, which may cause great losses.

[0003] The utility model of Chinese patent CN219843427U provides a new type of intelligent charger overheat protection device, which includes: an intelligent charger, the output end of the intelligent charger is fixedly connected to a wire, the end of the wire away from the intelligent charger is fixedly connected to a protective shell, a fireproof box is arranged inside the protective shell, a temperature sensor is arranged inside the protective shell, a fuse is arranged inside the protective shell, and a wiring hole is arranged on the protective shell. Through the above device, the whole device has fire prevention, short circuit prevention and cooling functions. When the temperature is too high, the temperature is quickly reduced, when the short circuit occurs, the line is quickly disconnected to avoid fire, and when the temperature is too high and a fire occurs, the fire is quickly extinguished. The overall structure is simple, and the fireproof ball is easy to replace. The cost is low, the practicality is higher, and the safety of use is effectively improved. However, the cooling effect of the utility model is only achieved by a micro fan, and the cooling effect is very limited. It cannot effectively prevent the accumulation of heat, and the single fire extinguishing method cannot prevent the fire from spreading to the outside of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a charger overheat protection device, which can actively dissipate heat for a working charger in multiple ways, has good heat dissipation effect, and can cut off the power supply, seal the interior and extinguish the fire in time by carbon dioxide when a fire occurs, so as to solve the problems proposed in the above background technology that the cooling effect is very limited only by a micro fan, and the accumulation of heat cannot be effectively prevented, and the single fire extinguishing method cannot prevent the fire from spreading to the outside of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a charger overheat protection device, comprising a device box, a transparent window is provided on the front side of the device box, a charger is fixedly installed inside the device box, active heat dissipation components are fixedly installed on the top and bottom of the device box, a top closure for sealing the inside of the device box is provided on the top of the device box, the active heat dissipation component cooperates with the top closure to achieve heat dissipation by cold air flow, two groups of emergency fire extinguishing platforms for responding to fire are provided on the side of the device box, and side protection blocks capable of emergency power off are fixedly installed on the side of the device box;

[0006] The active heat dissipation component includes a back plate, a heat dissipation hydraulic cylinder is fixedly installed on the rear side of the back plate, a top heat dissipation plate is fixedly installed on the top of the heat dissipation hydraulic cylinder, a plate heat dissipation machine is fixedly installed on the top heat dissipation plate, the heat dissipation hydraulic cylinder can drive the plate heat dissipation machine to move up and down, an air outlet is fixedly installed on the bottom of the plate heat dissipation machine, the air outlet cooperates with the plate heat dissipation machine to realize cold air heat dissipation, and a bottom heat converter for contact heat transfer is fixedly installed on the bottom of the back plate.

[0007] Preferably, the device box includes a main box body, a front box door is installed on the front side of the main box body, a door lock is fixedly installed on the surface of the front box door, a locking pin is arranged on the side of the door lock, and the locking pin cooperates with the door lock to realize the locking of the front box door, a heat dissipation port is arranged on the top of the main box body, and a side fire extinguishing port is arranged on the side of the main box body.

[0008] Preferably, the bottom heat converter includes a heat transfer slide rail, a sliding table is slidably installed on the heat transfer slide rail, a table bottom plate is fixedly installed on the sliding table, a heat converter is fixedly installed on the top of the table bottom plate, a heat conduction plate is fixedly installed on the heat converter, and the sliding table can drive the heat converter and the heat conduction plate to move their positions.

[0009] Preferably, the top closing member comprises a closing slide rail, a driving motor is mounted on the closing slide rail, a connecting block is fixedly mounted on the driving motor, a closing plate is fixedly mounted on the connecting block, and the driving motor can drive the closing plate to move.

[0010] Preferably, the emergency fire extinguishing station includes a main base, a main base column is fixedly mounted on the main base, a rotating plate is fixedly mounted on the main base column, a rotating motor is mounted on the rotating plate, a side head is fixedly mounted on one side of the rotating plate, a carbon dioxide nozzle is fixedly mounted on the other side of the rotating plate, and the rotating motor can drive the side head and the carbon dioxide nozzle to switch positions.

[0011] Compared with the prior art, the utility model has the following beneficial effects: it can actively dissipate heat from the working charger in multiple ways, has good heat dissipation effect, and can cut off the power supply, seal the interior, and extinguish the fire in time by carbon dioxide when a fire occurs. Specifically:

[0012] (1) The charger overheat protection device can dissipate heat from multiple angles in a timely manner for the charger in operation by setting an active heat dissipation component. The heat dissipation effect is good and can effectively prevent heat accumulation and overheating.

[0013] (2) The overheat protection device of the charger can promptly seal the inside of the device in case of overheating or fire by setting up an emergency fire extinguishing station to prevent the flame from spreading outwards and promptly extinguish the fire by using carbon dioxide. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the device box of the utility model;

[0017] Figure 3 This is a schematic diagram of the back structure of the active heat dissipation component of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the active heat dissipation component and the emergency fire extinguishing station of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the top closure of the utility model.

[0020] Explanation of the reference numerals in the figure: 1. Device box; 11. Main box body; 12. Door lock buckle; 13. Lock pin; 14. Heat dissipation port; 15. Side fire extinguishing port; 2. Charger; 3. Active heat dissipation component; 31. Heat dissipation hydraulic cylinder; 32. Plate heat dissipation machine; 33. Air blowing port; 34. Bottom heat converter; 341. Heat transfer slide rail; 342. Heat converter; 343. Heat conduction plate; 4. Top closure; 41. Closing slide rail; 42. Closing plate; 5. Emergency fire extinguishing station; 51. Main base; 52. Rotating plate; 53. Side head; 54. Carbon dioxide nozzle; 6. Side protection block. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , the utility model provides an embodiment: a charger overheat protection device, comprising a device box 1, a transparent window is arranged on the front side of the device box 1, a charger 2 is fixedly installed inside the device box 1, active heat dissipation components 3 are fixedly installed on the top and bottom of the device box 1, a top sealing member 4 for sealing the inside of the device box 1 is arranged on the top of the device box 1, the active heat dissipation component 3 cooperates with the top sealing member 4 to realize cold air flow heat dissipation, two groups of emergency fire extinguishing tables 5 for responding to fire are arranged on the side of the device box 1, and a side protection block 6 capable of emergency power off is fixedly installed on the side of the device box 1;

[0023] Combined with the above structural features, when the device is used, the charger 2 starts to work, the active heat dissipation component 3 will dissipate heat for the charger 2 in multiple ways, the top sealing member 4 is retracted when the active heat dissipation component 3 is working, and extends out of the closed device box 1 when the active heat dissipation component 3 is not working. When the emergency fire extinguishing station 5 is not working, it is in the position of the closed device box 1. When a fire occurs, it enters the second position and sprays carbon dioxide to extinguish the fire, and the side protection block 6 disconnects the power supply when a fire is detected.

[0024] See also Figure 1 and Figure 2 The device box 1 includes a main box body 11, a front box door is installed on the front side of the main box body 11, a door lock buckle 12 is fixedly installed on the surface of the front box door, a lock pin 13 is arranged on the side of the door lock buckle 12, and the lock pin 13 cooperates with the door lock buckle 12 to realize the locking of the front box door, a heat dissipation port 14 is arranged on the top of the main box body 11, and a side fire extinguishing port 15 is arranged on the side of the main box body 11;

[0025] See also Figure 1 and Figure 5 The top closing member 4 includes a closing slide rail 41, a driving motor is installed on the closing slide rail 41, a connecting block is fixedly installed on the driving motor, a closing plate 42 is fixedly installed on the connecting block, and the driving motor can drive the closing plate 42 to move;

[0026] In combination with the above-mentioned structural features, when the device is used, after the charger 2 is installed, the front box door is closed, and the lock pin 13 is moved until it is inserted into the door lock buckle 12. When the active heat dissipation component 3 is not working, the driving motor on the top closing member 4 drives the closing plate 42 to move to the corresponding position along the closing slide rail 41 to close the heat dissipation port 14.

[0027] See also Figure 3 and Figure 4 The active heat dissipation component 3 includes a back plate, a heat dissipation hydraulic cylinder 31 is fixedly installed on the rear side of the back plate, a top heat dissipation plate is fixedly installed on the top of the heat dissipation hydraulic cylinder 31, a plate heat dissipation machine 32 is fixedly installed on the top heat dissipation plate, the heat dissipation hydraulic cylinder 31 can drive the plate heat dissipation machine 32 to move up and down, a blowing port 33 is fixedly installed at the bottom of the plate heat dissipation machine 32, the blowing port 33 cooperates with the plate heat dissipation machine 32 to realize cold air heat dissipation, and a bottom heat converter 34 for contact heat transfer is fixedly installed at the bottom of the back plate;

[0028] See also Figure 3 and Figure 4 The bottom heat converter 34 includes a heat transfer slide rail 341, a sliding table is slidably mounted on the heat transfer slide rail 341, a table bottom plate is fixedly mounted on the sliding table, a heat converter 342 is fixedly mounted on the top of the table bottom plate, a heat conducting plate 343 is fixedly mounted on the heat converter 342, and the sliding table can drive the heat converter 342 and the heat conducting plate 343 to move their positions;

[0029] In combination with the above-mentioned structural features, when the device is used, the heat dissipation hydraulic cylinder 31 drives the blowing port 33 to move into the heat dissipation port 14, and directly blows cold air to dissipate heat to the charger 2, the plate heat dissipator 32 converts the cold air, and the sliding table drives the heat conduction plate 343 to move until it is in contact with the charger 2, and the heat converter 342 collects and converts the heat from heat conduction to dissipate heat through heat conduction.

[0030] See also Figure 1 and Figure 4 The emergency fire extinguishing station 5 includes a main base 51, a main base column is fixedly mounted on the main base 51, a rotating plate 52 is fixedly mounted on the main base column, a rotating motor is mounted on the rotating plate 52, a side sealing head 53 is fixedly mounted on one side of the rotating plate 52, and a carbon dioxide nozzle 54 is fixedly mounted on the other side of the rotating plate 52. The rotating motor can drive the side sealing head 53 and the carbon dioxide nozzle 54 to switch positions;

[0031] In combination with the above-mentioned structural features, when the device is in use, if there is no fire, the rotating motor rotates the side sealing head 53 to the position of closing the side fire extinguishing port 15. When a fire occurs, the rotating motor on the main base 51 drives the rotating plate 52 to rotate until the carbon dioxide nozzle 54 moves to the position of the side fire extinguishing port 15 and sprays carbon dioxide to extinguish the fire.

[0032] Working principle: When the utility model is in use, after the charger 2 is installed, the front box door is closed, and the lock pin 13 is moved until it is inserted into the door lock buckle 12. When the active heat dissipation component 3 is not working, the driving motor on the top closing member 4 drives the closing plate 42 to move to the corresponding position along the closing slide rail 41 to close the heat dissipation port 14. The heat dissipation hydraulic cylinder 31 drives the blowing port 33 to move into the heat dissipation port 14, and the charger 2 is directly cooled by cold air flow. The plate heat sink 32 converts the cold air, and the sliding table drives the heat conduction plate 343 to move until it fits with the charger 2. The heat converter 342 collects and converts the heat from the heat conduction to perform heat conduction and heat dissipation. If there is no fire, the rotating motor rotates the side sealing head 53 to the position of closing the side fire extinguishing port 15. When a fire occurs, the rotating motor on the main base 51 drives the rotating plate 52 to rotate until the carbon dioxide nozzle 54 moves to the position of the side fire extinguishing port 15 and sprays carbon dioxide to extinguish the fire.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A charger overheat protection device, characterized in that: The device box (1) comprises a device box (1), the front side of which is provided with a transparent window, a charger (2) is fixedly installed inside the device box (1), active heat dissipation components (3) are fixedly installed on the top and bottom of the device box (1), a top sealing member (4) is provided on the top of the device box (1) to seal the inside of the device box (1), the active heat dissipation component (3) and the top sealing member (4) cooperate to achieve heat dissipation by cold air flow, two groups of emergency fire extinguishing tables (5) for responding to fire are provided on the side of the device box (1), and a side protection block (6) capable of emergency power off is fixedly installed on the side of the device box (1); The active heat dissipation component (3) comprises a back plate, a heat dissipation hydraulic cylinder (31) is fixedly mounted on the rear side of the back plate, a top heat dissipation plate is fixedly mounted on the top of the heat dissipation hydraulic cylinder (31), a plate heat dissipation machine (32) is fixedly mounted on the top heat dissipation plate, the heat dissipation hydraulic cylinder (31) can drive the plate heat dissipation machine (32) to move up and down, an air outlet (33) is fixedly mounted on the bottom of the plate heat dissipation machine (32), the air outlet (33) cooperates with the plate heat dissipation machine (32) to achieve cold air heat dissipation, and a bottom heat converter (34) capable of contact heat transfer is fixedly mounted on the bottom of the back plate.

2. A charger overheat protection device according to claim 1, characterized in that: The device box (1) comprises a main box body (11), a front box door is installed on the front side of the main box body (11), a door lock buckle (12) is fixedly installed on the surface of the front box door, a lock pin (13) is arranged on the side of the door lock buckle (12), and the lock pin (13) cooperates with the door lock buckle (12) to achieve the locking of the front box door, a heat dissipation port (14) is arranged on the top of the main box body (11), and a side fire extinguishing port (15) is arranged on the side of the main box body (11).

3. The charger overheat protection device according to claim 1, characterized in that: The bottom heat converter (34) comprises a heat transfer slide rail (341), a sliding platform is slidably mounted on the heat transfer slide rail (341), a bottom plate is fixedly mounted on the sliding platform, a heat converter (342) is fixedly mounted on the top of the bottom plate, a heat conduction plate (343) is fixedly mounted on the heat converter (342), and the sliding platform can drive the heat converter (342) and the heat conduction plate (343) to move their positions.

4. The charger overheat protection device according to claim 1, characterized in that: The top closing member (4) comprises a closing slide rail (41), a driving motor is mounted on the closing slide rail (41), a connecting block is fixedly mounted on the driving motor, a closing plate (42) is fixedly mounted on the connecting block, and the driving motor can drive the closing plate (42) to move.

5. The charger overheat protection device according to claim 1, characterized in that: The emergency fire extinguishing station (5) comprises a main base (51), a main base column is fixedly mounted on the main base (51), a rotating plate (52) is fixedly mounted on the main base column, a rotating motor is mounted on the rotating plate (52), a side sealing head (53) is fixedly mounted on one side of the rotating plate (52), and a carbon dioxide nozzle (54) is fixedly mounted on the other side of the rotating plate (52), and the rotating motor can drive the side sealing head (53) and the carbon dioxide nozzle (54) to switch positions.

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