Fireproof electric bicycle charger

Abstract

The utility model relates to the technical field of chargers, in particular to a fireproof electric bicycle charger which comprises a shell. A circuit board is arranged in the shell; the circuit board is provided with a power supply module; the circuit board is provided with a radiating tube; a liquid storage shell and a connecting pipe are arranged in the shell; a liquid storage cavity is formed in the liquid storage shell; the radiating pipe is communicated with the liquid storage cavity through a connecting pipe; cooling liquid is arranged in the liquid storage cavity, the connecting pipe and the heat dissipation pipe. The liquid storage shell is provided with a liquid outlet communicated with the liquid storage cavity; and the liquid outlet is provided with a one-way pressure valve. According to the utility model, the cooling liquid can cool the circuit board at a normal temperature; when the charger is on fire, the cooling liquid in the radiating pipe is gasified, and the pressure in the liquid storage cavity is increased, so that the one-way pressure valve is opened to spray the liquid in the liquid storage cavity to extinguish fire of the charger, and the disaster range is prevented from being expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, in particular to a fireproof electric bicycle charger. Background Art

[0002] Electric vehicles have been integrated into the lives of every household in today's society, facilitating people's travel and work. When charging the storage battery of an electric vehicle, an electric bicycle charger will be used.

[0003] A large amount of heat will be generated during the use of an electric bicycle charger, and the heat needs to be released in a timely manner; currently, there are electric bicycle chargers on the market that use a liquid cooling method for cooling, but this electric bicycle charger does not have the function of preventing and extinguishing fires, and an additional fire prevention and extinguishing module needs to be added for fire prevention and extinguishing, making the overall structure of the electric bicycle charger complex and the cost relatively high. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fireproof electric bicycle charger for the above-mentioned deficiencies in the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions: a fireproof electric bicycle charger, including a housing; a circuit board is provided inside the housing; a power module is provided on the circuit board; a heat dissipation pipe is provided on the circuit board; a liquid storage shell and a connecting pipe are provided inside the housing; a liquid storage cavity is provided inside the liquid storage shell; the heat dissipation pipe is communicated with the liquid storage cavity through the connecting pipe;

[0006] Coolant is provided in the liquid storage cavity, the connecting pipe, and the heat dissipation pipe;

[0007] The liquid storage shell is provided with a liquid outlet communicated with the liquid storage cavity; a one-way pressure valve is provided at the liquid outlet.

[0008] The utility model is further arranged such that the heat dissipation pipe is provided at the bottom of the circuit board; the liquid storage shell is provided at the top of the circuit board.

[0009] The utility model is further arranged such that the heat dissipation pipe is in a meandering shape and abuts against the bottom of the circuit board.

[0010] The utility model is further arranged such that the connecting pipe includes a first connecting pipe and a second connecting pipe;

[0011] One end of the first connecting pipe is communicated with one end of the heat dissipation pipe; the other end of the first connecting pipe is communicated with one end of the liquid storage cavity;

[0012] One end of the second connecting pipe is communicated with the other end of the heat dissipation pipe; the other end of the second connecting pipe is communicated with the other end of the liquid storage cavity.

[0013] The present utility model is further configured such that a turbine blade is rotatably provided in the liquid storage cavity.

[0014] The present utility model is further configured such that the circuit board is provided with a motor; the bottom of the turbine blade protrudes out of the liquid storage shell and is connected to the output end of the motor.

[0015] The present utility model is further configured such that the coolant is perfluorohexanone solution or water.

[0016] The present utility model is further configured such that a spray port is provided at the bottom of the liquid outlet; a through hole communicating with the liquid storage cavity is provided at the top of the liquid outlet; a valve core cooperating with the through hole is movably provided in the liquid outlet; and a spring is provided between the valve core and the bottom of the liquid outlet.

[0017] The present utility model is further configured such that the top of the valve core and the through hole are both provided with conical surfaces.

[0018] The present utility model is further configured such that the number of the liquid outlets is multiple; the multiple liquid outlets are arranged at equal intervals in a circumferential manner at the bottom of the liquid storage shell.

[0019] The present utility model is further configured such that the housing is provided with heat dissipation holes.

[0020] The beneficial effects of the present utility model: Under normal temperature, the coolant in the present utility model can cool down the circuit board; when the charger catches fire, the coolant in the heat dissipation pipe vaporizes, the pressure in the liquid storage cavity increases, so that the one-way pressure valve is opened to spray the liquid in the liquid storage cavity to extinguish the fire of the charger and prevent the expansion of the disaster range. Description of the Drawings

[0021] The present utility model is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.

[0022] Figure 1 is a schematic structural diagram of the present utility model;

[0023] Figure 2 is an internal structural diagram of the present utility model;

[0024] Figure 3 is an internal structural diagram of the present utility model from another perspective;

[0025] Figure 4 is a sectional view of the present utility model

[0026] Figure 5 is Figure 4 a partial enlarged view of part A in

[0027] Wherein: 1. Housing; 2. Circuit board; 21. Power module; 3. Heat dissipation pipe; 4. Liquid storage shell; 41. Liquid storage cavity; 51. First connecting pipe; 52. Second connecting pipe; 6. Liquid outlet; 61. Injection port; 62. Through hole; 71. Valve core; 72. Spring; 73. Conical surface; 81. Motor; 82. Turbine blade; 9. Heat dissipation hole. Detailed implementation mode

[0028] The present utility model will be further described in conjunction with the following embodiments.

[0029] It can be seen from Figures 1 to 5 that a fireproof electric bicycle charger described in this embodiment includes a housing 1; a circuit board 2 is arranged inside the housing 1; a power module 21 is arranged on the circuit board 2; a heat dissipation pipe 3 is arranged on the circuit board 2; a liquid storage shell 4 and a connecting pipe are arranged inside the housing 1; a liquid storage cavity 41 is arranged inside the liquid storage shell 4; the heat dissipation pipe 3 is communicated with the liquid storage cavity 41 through the connecting pipe;

[0030] Coolant is arranged inside the liquid storage cavity 41, the connecting pipe and the heat dissipation pipe 3;

[0031] The liquid storage shell 4 is provided with a liquid outlet 6 communicated with the liquid storage cavity 41; a one-way pressure valve is arranged at the liquid outlet 6.

[0032] Specifically, for the fireproof electric bicycle charger described in this embodiment, when the temperature of the housing 1 is within the normal range, the coolant flows between the liquid storage cavity 41, the connecting pipe and the heat dissipation pipe 3, and the coolant can cool down the circuit board 2.

[0033] When a failure occurs in the electric bicycle charger and the temperature continues to rise and cannot be dissipated in time, resulting in a fire, the temperature inside the housing 1 rises rapidly, causing the coolant inside the heat dissipation pipe 3 to vaporize, increasing the pressure inside the liquid storage cavity 41, so that the one-way pressure valve opens to spray the liquid in the liquid storage cavity 41 to extinguish the fire of the fireproof electric bicycle charger and prevent the expansion of the disaster range.

[0034] For the fireproof electric bicycle charger described in this embodiment, the heat dissipation pipe 3 is arranged at the bottom of the circuit board 2; the liquid storage shell 4 is arranged at the top of the circuit board 2. Specifically, by arranging the heat dissipation pipe 3 at the bottom of the circuit board 2, it is convenient to cool down the circuit board 2; by arranging the liquid storage shell 4 at the top of the circuit board 2, when a fire occurs, the coolant is convenient to be sprayed out from the liquid outlet 6 onto the circuit board 2 for fire extinguishing treatment.

[0035] For the fireproof electric bicycle charger described in this embodiment, the heat dissipation pipe 3 is in a meandering shape and abuts against the bottom of the circuit board 2. Specifically, through the above setting, the cooling effect on the circuit board 2 can be further improved.

[0036] A fireproof electric bicycle charger according to this embodiment, the connecting pipe includes a first connecting pipe 51 and a second connecting pipe 52; one end of the first connecting pipe 51 is communicated with one end of the heat dissipation pipe 3; the other end of the first connecting pipe 51 is communicated with one end of the liquid storage cavity 41; one end of the second connecting pipe 52 is communicated with the other end of the heat dissipation pipe 3; the other end of the second connecting pipe 52 is communicated with the other end of the liquid storage cavity 41.

[0037] Specifically, through the above settings, the coolant can circulate between the liquid storage cavity 41, the connecting pipe and the heat dissipation pipe 3.

[0038] In addition, the liquid storage cavity 41 can also be communicated with an external water pipe, so that the coolant can circulate with the outside, further enhancing the cooling effect.

[0039] A fireproof electric bicycle charger according to this embodiment, a turbine blade 82 is rotatably arranged in the liquid storage cavity 41. A fireproof electric bicycle charger according to this embodiment, the circuit board 2 is provided with a motor 81; the bottom of the turbine blade 82 protrudes out of the liquid storage shell 4 and is connected to the output end of the motor 81.

[0040] Specifically, through the above settings, the motor 81 can drive the turbine blade 82 to rotate, so as to accelerate the flow of the coolant between the liquid storage cavity 41, the connecting pipe and the heat dissipation pipe 3, accelerate the heat conduction of the circuit board 2, and achieve the effect of rapid cooling.

[0041] A fireproof electric bicycle charger according to this embodiment, the coolant is perfluoropentanone solution or water. Specifically, through the above settings, it can effectively play the role of fire extinguishing and cooling.

[0042] A fireproof electric bicycle charger according to this embodiment, a spray port 61 is provided at the bottom of the liquid outlet 6; a through hole 62 communicating with the liquid storage cavity 41 is provided at the top of the liquid outlet 6; a valve core 71 cooperating with the through hole 62 is movably arranged in the liquid outlet 6; a spring 72 is arranged between the valve core 71 and the bottom of the liquid outlet 6. Specifically, the one-way pressure valve is composed of the valve core 71 and the spring 72, and by selecting the elastic force of the spring 72, the opening pressure of the one-way pressure valve can be controlled.

[0043] A fireproof electric bicycle charger according to this embodiment, conical surfaces 73 are provided at the top of the valve core 71 and the through hole 62. Specifically, through the above settings, the valve core 71 can effectively play a sealing effect.

[0044] A fireproof electric bicycle charger according to this embodiment, the number of the liquid outlets 6 is multiple; the multiple liquid outlets 6 are arranged at equal intervals in a circle at the bottom of the liquid storage shell 4. Specifically, through the above settings, the charger can be effectively extinguished.

[0045] A fireproof electric bicycle charger according to this embodiment, the housing 1 is provided with heat dissipation holes 9. Through the above settings, the heat dissipation effect of the charger can be further enhanced.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A fireproof electric bicycle charger, characterized in that: The invention comprises a housing (1); a circuit board (2) is arranged in the housing (1); the circuit board (2) is provided with a power module (21); the circuit board (2) is provided with a heat dissipation pipe (3); a liquid storage shell (4) and a connecting pipe are arranged in the housing (1); a liquid storage cavity (41) is arranged in the liquid storage shell (4); the heat dissipation pipe (3) is connected with the liquid storage cavity (41) through the connecting pipe; The liquid storage cavity (41), the connecting pipe and the heat dissipation pipe (3) are provided with cooling liquid; The liquid storage shell (4) is provided with a liquid outlet (6) which is in communication with the liquid storage cavity (41); the liquid outlet (6) is provided with a one-way pressure valve.

2. A fireproof electric bicycle charger according to claim 1, characterized in that: The heat dissipation pipe (3) is arranged at the bottom of the circuit board (2); and the liquid storage shell (4) is arranged at the top of the circuit board (2).

3. A fireproof electric bicycle charger according to claim 2, characterized in that: The heat dissipation pipe (3) is in a meandering shape and abuts against the bottom of the circuit board (2).

4. The fireproof electric bicycle charger according to claim 1, characterized in that: The connecting pipe comprises a first connecting pipe (51) and a second connecting pipe (52); One end of the first connecting tube (51) is in communication with one end of the heat dissipation tube (3); the other end of the first connecting tube (51) is in communication with one end of the liquid storage chamber (41); One end of the second connecting tube (52) is in communication with the other end of the heat dissipation tube (3); and the other end of the second connecting tube (52) is in communication with the other end of the liquid storage chamber (41).

5. The fireproof electric bicycle charger according to claim 1, characterized in that: A turbine blade (82) is rotatably arranged in the liquid storage chamber (41).

6. A fireproof electric bicycle charger according to claim 5, characterized in that: The circuit board (2) is provided with a motor (81); the bottom of the turbine blade (82) protrudes out of the liquid storage shell (4) and is connected to the output end of the motor (81).

7. The fireproof electric bicycle charger according to claim 1, characterized in that: The cooling liquid is perfluorohexanone solution or water.

8. The fireproof electric bicycle charger according to claim 1, characterized in that: The bottom of the liquid outlet (6) is provided with a spray port (61); the top of the liquid outlet (6) is provided with a through hole (62) communicating with the liquid storage chamber (41); a valve core (71) cooperating with the through hole (62) is movably provided in the liquid outlet (6); and a spring (72) is provided between the valve core (71) and the bottom of the liquid outlet (6).

9. A fireproof electric bicycle charger according to claim 8, characterized in that: The top of the valve core (71) and the through hole (62) are both provided with a conical surface (73); The number of the liquid outlets (6) is multiple; the multiple liquid outlets (6) are distributed at equal intervals around the circumference and arranged at the bottom of the liquid storage shell (4).

10. The fireproof electric bicycle charger according to claim 1, characterized in that: The housing (1) is provided with heat dissipation holes (9).

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