Hydrogen energy fuel cell with self-heat-dissipation structure

Abstract

The utility model discloses a hydrogen energy fuel cell with a self-radiating structure, which comprises a hydrogen energy fuel cell shell, and cell radiating structures are mounted at two ends in the hydrogen energy fuel cell shell through bolts. According to the utility model, the contact area is increased and the heat dissipation efficiency is improved through the heat conducting plates and the heat dissipation fins arranged on the outer side of the cell stack, compared with the heat dissipation mode in the prior art in the background technology, the cost is saved, the maintenance cost is low, and the heat conducting plates and the heat dissipation fins are made of high-heat-conductivity copper, so that the heat conducting effect is fast, the price is low, and the cost is low. The heat dissipation holes formed in the heat dissipation fins enhance gas flow and effectively take away heat, in addition, after reaction gas is introduced into the shell of the hydrogen energy fuel cell, part of heat can be further taken away through flowing, in addition, the arranged cleaning cotton can be driven to clean the heat dissipation fins, and the heat dissipation efficiency of the hydrogen energy fuel cell is improved. Dust carried by reaction gas is prevented from being attached to the cooling fins, heat dissipation is prevented from being hindered by the dust, the heat dissipation performance is recovered, and the heat dissipation efficiency of the cooling fins is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen energy fuel cell technical field, concretely is hydrogen energy fuel cell of self -cooling formula structure. BACKGROUND

[0002] Hydrogen energy fuel cell is a kind of power generation device that hydrogen and oxygen chemical energy is directly converted into electric energy, a large amount of heat is generated in hydrogen-oxygen reaction process, and the traditional heat dissipation mode relies on external cooling system, increases complexity and cost, and hydrogen energy fuel cell of self -cooling formula structure is urgently needed to design.

[0003] The prior art discloses a hydrogen fuel cell stack heat dissipation device, a first gas outlet is formed in the top of the heat dissipation cavity, and a purification assembly is arranged at the first gas outlet, so that harmful gases contained in the hydrogen fuel cell when generating heat can be purified under the action of the purification assembly, and pollution caused by direct emission of harmful gases into the air is avoided.

[0004] The above technical scheme cools the hydrogen fuel cell by the condenser and the evaporator, the heat dissipation efficiency is high, but the maintenance cost is also high, and the refrigeration system design is complex. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hydrogen energy fuel cell of self -cooling formula structure to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hydrogen energy fuel cell of self -cooling formula structure, including hydrogen energy fuel cell shell, the hydrogen energy fuel cell shell inside two ends bolt mounting has battery heat dissipation structure, two the hydrogen energy fuel cell main body of battery heat dissipation structure between bolt connection, the sealing cover plate is bolted on the hydrogen energy fuel cell shell top cover.

[0007] The battery heat dissipation structure includes mounting plate, the mounting plate bolt is arranged in hydrogen energy fuel cell shell left and right ends, the heat conduction plate is fixedly connected in the rectangular groove of mounting plate inner side, the heat conduction plate is arranged with the fin away from the hydrogen energy fuel cell main body side, the fin is arranged with the heat dissipation hole on the fin, the mounting plate front and back ends are all equipped with installation groove, the threaded rod is arranged in the installation groove of front end by bearing, the guide rod is fixedly connected in the installation groove of back end, the cleaning plate is sleeved between the threaded rod and guide rod, the cleaning groove is arranged on the side of cleaning plate close to fin, and the cleaning groove is one-to-one corresponding with the fin.

[0008] In the technical scheme, the heat-conducting plate and the heat-dissipating fin arranged outside the battery stack increase the contact area, and when the heat-dissipating fin transmits heat to the surface, the heat is dissipated through convection with the surrounding gas; the heat-conducting plate and the heat-dissipating fin are made of copper with high heat conductivity, so the heat-conducting effect is fast and the cost is low; the cleaning cotton can clean the heat-dissipating fin through driving, so that the dust carried by the reaction gas is prevented from adhering to the heat-dissipating fin, the dust is prevented from hindering heat dissipation, and the heat-dissipating performance is restored.

[0009] As a further preferred aspect of the present technical solution, a hydrogen gas inlet channel is arranged above one side of the outer surface of the hydrogen energy fuel cell shell, a hydrogen gas outlet channel is arranged below the one side of the outer surface of the hydrogen energy fuel cell shell, an oxygen gas inlet channel is arranged above the other side of the outer surface of the hydrogen energy fuel cell shell, and an oxygen gas outlet channel is arranged below the other side of the outer surface of the hydrogen energy fuel cell shell.

[0010] As a further preferred aspect of the present technical solution, a water collecting box is fixedly connected to the bottom side of the hydrogen energy fuel cell shell, a connecting pipe is arranged between the hydrogen energy fuel cell shell and the water collecting box, and a drain pipe is arranged on one side of the water collecting box.

[0011] In the technical scheme, the water collecting box can collect water generated by the hydrogen energy fuel cell and the reaction gas.

[0012] As a further preferred aspect of the present technical solution, cleaning cotton is attached to the inner side of the cleaning groove, and the cleaning cotton is in contact with the outer wall of the heat-dissipating fin.

[0013] In the technical scheme, repeated wiping can reduce dust adhesion on the heat-dissipating fin.

[0014] As a further preferred aspect of the present technical solution, a gasket is arranged on the bottom side outer wall of the sealing cover plate, a receiving groove is arranged on the left and right sides of the upper end of the sealing cover plate, a clamping groove is arranged on the front and rear side walls of the receiving groove, a sliding block is slidably connected to the inner wall of the clamping groove, and a handle is fixedly connected between the front and rear sliding blocks.

[0015] As a further preferred aspect of the present technical solution, a magnet two is arranged in the groove on the front and rear bottom sides of the handle, a magnet one is arranged on the front and rear sides inside the receiving groove, the magnet one corresponds to the magnet two, and the magnet one and the magnet two attract each other.

[0016] In the technical scheme, the handle can be stored in the receiving groove through the magnet one and the magnet two when not in use, so that the handle does not hinder external wiring, space is saved, and portability is improved.

[0017] As a further preferred aspect of the present technical solution, a motor is arranged on the bottom side of the threaded rod, and the motor is a reversible motor.

[0018] The positive and negative rotation motor is arranged to enable the cleaning plate to reciprocate.

[0019] The hydrogen energy fuel cell with the self-heat-dissipation structure has the following beneficial effects:

[0020] (1) The battery heat-dissipation structure is installed, the heat-conducting plate and the heat-dissipation fins are arranged outside the battery stack, the contact area is increased, after the heat-dissipation fins transfer heat to the surface, the heat is dissipated through the convection of the surrounding gas, and after the reaction gas is introduced into the hydrogen energy fuel cell shell, a part of heat can be further taken away through the flow, the heat-dissipation mode is more cost-saving than the prior art in the background art, the maintenance cost is low, the heat-conducting plate and the heat-dissipation fins are made of copper with high heat-conducting material, the heat-conducting effect is fast, the price is low, the heat-dissipation holes formed in the heat-dissipation fins enhance the gas flow and effectively take away heat, in addition, the cleaning cotton arranged can be cleaned on the heat-dissipation fins through driving, dust carried in by the reaction gas is reduced to adhere to the heat-dissipation fins, dust hindering heat dissipation is avoided, the heat-dissipation performance is restored, and the heat-dissipation efficiency of the heat-dissipation fins is improved.

[0021] (2) The handle can be stored in the storage groove through the magnet one and the magnet two in the non-use state, the handle avoids hindering external connection lines, space is saved, and portability is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model as a whole;

[0023] Figure 2 It is a partial sectional view of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the battery heat-dissipation structure of the utility model;

[0025] Figure 4 It is an enlarged view of the A figure of the utility model;

[0026] Figure 5 It is an enlarged view of the B figure of the utility model;

[0027] Figure 6 It is an enlarged view of the C figure of the utility model;

[0028] As shown in the figure: 1, hydrogen energy fuel cell shell; 11, hydrogen inlet channel; 12, hydrogen outlet channel; 13, oxygen inlet channel; 14, oxygen outlet channel; 15, water collecting box; 16, connecting pipe; 2, battery heat dissipation structure; 21, mounting plate; 22, mounting groove; 23, threaded rod; 24, guide rod; 25, cleaning plate; 251, cleaning groove; 252, cleaning cotton; 26, heat conduction plate; 27, cooling fin; 28, cooling hole; 3, hydrogen energy fuel cell main body; 4, sealing cover plate; 41, gasket; 42, storage groove; 43, clamping groove; 44, sliding block; 45, handle; 46, magnet one; 47, magnet two. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0030] The utility model provides technical schemes: as Figure 1 and Figure 2 As shown in the figure, in the embodiment, a hydrogen energy fuel cell with self-heat dissipation structure comprises a hydrogen energy fuel cell shell 1, a hydrogen inlet channel 11 is arranged above the outer surface of one side of the hydrogen energy fuel cell shell 1, a hydrogen outlet channel 12 is arranged below the outer surface of one side of the hydrogen energy fuel cell shell 1, an oxygen inlet channel 13 is arranged above the outer surface of the other side of the hydrogen energy fuel cell shell 1, an oxygen outlet channel 14 is arranged below the outer surface of the other side of the hydrogen energy fuel cell shell 1, a water collecting box 15 is fixedly connected to the bottom side of the hydrogen energy fuel cell shell 1, the water collecting box 15 arranged can collect water generated by the hydrogen energy fuel cell and reaction gas, a connecting pipe 16 is arranged between the hydrogen energy fuel cell shell 1 and the water collecting box 15, a drain pipe is arranged at one side of the water collecting box 15, battery heat dissipation structures 2 are bolted at both ends inside the hydrogen energy fuel cell shell 1, a hydrogen energy fuel cell main body 3 is bolted between the two battery heat dissipation structures 2, and a sealing cover plate 4 is bolted on the top cover of the hydrogen energy fuel cell shell 1.

[0031] As shown in the figure, Figure 3 , Figure 4 and Figure 5As shown, the battery heat dissipation structure 2 includes a mounting plate 21 bolted on the left and right ends of the hydrogen energy fuel cell shell 1, and a heat conduction plate 26 is fixedly connected in the rectangular groove on the inner side of the mounting plate 21. The heat conduction plate 26 is arranged with a heat dissipation fin 27 on the side away from the hydrogen energy fuel cell body 3. The heat dissipation fin 27 is arranged with a heat dissipation hole 28. The mounting plate 21 is provided with a mounting groove 22 at the front and rear ends. A threaded rod 23 is arranged in the front end mounting groove 22 through a bearing. The bottom side of the threaded rod 23 is provided with a motor. The motor is a forward and reverse motor, and the model is 42BLDC Hall forward and reverse motor. A guide rod 24 is fixedly connected in the rear end mounting groove 22. A cleaning plate 25 is sleeved between the threaded rod 23 and the guide rod 24. The side of the cleaning plate 25 close to the heat dissipation fin 27 is arranged with a cleaning groove 251. The cleaning groove 251 corresponds to the heat dissipation fin 27. Cleaning cotton 252 is pasted on the inner side of the cleaning groove 251. The cleaning cotton 252 is in contact with the outer wall of the heat dissipation fin 27. The installation of the battery heat dissipation structure 2, the heat conduction plate 26 and the heat dissipation fin 27 arranged on the outside of the battery stack increase the contact area. When the heat is transferred to the surface of the heat dissipation fin 27, it is dissipated by convection with the surrounding gas. After the reaction gas is introduced into the hydrogen energy fuel cell shell 1, it can further carry away part of the heat by flowing. Compared with the existing heat dissipation method in the background art, it is more cost-effective and has low maintenance cost. The heat conduction plate 26 and the heat dissipation fin 27 are made of copper with high thermal conductivity, which has fast heat conduction effect and low price. The heat dissipation holes 28 arranged on the heat dissipation fin 27 enhance the gas flow and effectively carry away the heat. In addition, the cleaning cotton 252 can be cleaned on the heat dissipation fin 27 by driving, reducing the dust carried by the reaction gas and adhering to the heat dissipation fin 27, avoiding dust from hindering heat dissipation, restoring heat dissipation performance, and improving the heat dissipation efficiency of the heat dissipation fin 27.

[0032] As shown in Figure 1 and Figure 6 , the gasket 41 is made of rubber material and has sealing effect. The left and right sides of the upper end of the sealing cover plate 4 are provided with receiving grooves 42. The front and rear sides of the receiving groove 42 are provided with clamping grooves 43. The inner wall of the clamping groove 43 is slidably connected with a sliding block 44. The front and rear sliding blocks 44 are fixedly connected. The recesses in the front and rear bottom sides of the handle 45 are provided with a magnet 47. The front and rear sides of the receiving groove 42 are provided with a magnet 46. The magnet 46 corresponds to the magnet 47. The magnet 46 and the magnet 47 are attracted to each other. The handle 45 can be stored in the receiving groove 42 by the magnet 46 and the magnet 47 in the non-use state, avoiding the handle 45 from hindering the external circuit, saving space and being portable.

[0033] The utility model provides a kind of hydrogen energy fuel cell of self-heat dissipation structure, specific working principle is as follows: heat conduction plate 26 and fin 27 being arranged in the outside of battery stack have heat dissipation effect, and heat conduction plate 26 and fin 27 are made of copper using high heat conduction material, low in price and heat conduction effect is fast, in addition, after reaction gas is imported hydrogen energy fuel cell shell 1, further part of heat can be carried away by flowing;After a period of time, positive and negative rotation motor of screw rod 23 bottom side can be started, can drive screw rod 23 rotation, so that cleaning plate 25 moves on screw rod 23 and guide rod 24, clean cotton 252 is cleaned to fin 27, reduce dust adhered on fin 27, and then restore heat dissipation performance;When hydrogen energy fuel cell shell 1 needs to be lifted, user can pull out handle 45, so that sliding block 44 slides in clamping groove 43, so that magnet one 46 and magnet two 47 are separated, convenient to use.

[0034] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-heat dissipating structure hydrogen energy fuel cell comprising a hydrogen energy fuel cell housing (1), characterized in that: The hydrogen energy fuel cell shell (1) is internally bolted with a battery heat dissipation structure (2), two battery heat dissipation structures (2) are bolted with a hydrogen energy fuel cell body (3) between them, and the top cover of the hydrogen energy fuel cell shell (1) is bolted with a sealing cover plate (4). The battery heat dissipation structure (2) comprises a mounting plate (21), the mounting plate (21) is bolted on the left and right ends of the hydrogen energy fuel cell shell (1), the inside of the mounting plate (21) is fixedly connected with a heat conduction plate (26) in the rectangular groove, the side away from the hydrogen energy fuel cell body (3) of the heat conduction plate (26) is arranged with a heat dissipation fin (27), the heat dissipation fin (27) is arranged with a heat dissipation hole (28), the front and rear ends of the mounting plate (21) are provided with a mounting groove (22), the front end of the mounting groove (22) is provided with a threaded rod (23) through a bearing, the rear end of the mounting groove (22) is fixedly connected with a guide rod (24), the threaded rod (23) and the guide rod (24) are sleeved with a cleaning plate (25), the side close to the heat dissipation fin (27) of the cleaning plate (25) is arranged with a cleaning groove (251), and the cleaning groove (251) corresponds to the heat dissipation fin (27) one by one.

2. The self-heat dissipating structural hydrogen energy fuel cell according to claim 1, characterized in that: The upper side of one side of the outer surface of the hydrogen energy fuel cell shell (1) is provided with a hydrogen gas inlet channel (11), the lower side of one side of the outer surface of the hydrogen energy fuel cell shell (1) is provided with a hydrogen gas outlet channel (12), the upper side of the other side of the outer surface of the hydrogen energy fuel cell shell (1) is provided with an oxygen gas inlet channel (13), and the lower side of the other side of the outer surface of the hydrogen energy fuel cell shell (1) is provided with an oxygen gas outlet channel (14).

3. The self-heat dissipating structural hydrogen energy fuel cell according to claim 1, characterized in that: The bottom side of the hydrogen energy fuel cell shell (1) is fixedly connected with a water collecting box (15), a connecting pipe (16) is arranged between the hydrogen energy fuel cell shell (1) and the water collecting box (15), and the side of the water collecting box (15) is provided with a drain pipe.

4. The self-heat dissipating structural hydrogen energy fuel cell according to claim 1, wherein: The inside of the cleaning groove (251) is pasted with cleaning cotton (252), and the cleaning cotton (252) is in contact with the outer wall of the heat dissipation fin (27).

5. The self-heat dissipating structural hydrogen energy fuel cell according to claim 1, characterized in that: The bottom side of the sealing cover plate (4) is provided with a gasket (41), the left and right sides of the upper end of the sealing cover plate (4) are provided with a receiving groove (42), the front and rear side walls of the receiving groove (42) are provided with a clamping groove (43), the inner walls of the clamping grooves (43) are slidably connected with a sliding block (44), and the front and rear sliding blocks (44) are fixedly connected with a handle (45).

6. The self-heat dissipating structural hydrogen energy fuel cell according to claim 5, characterized in that: The grooves in the front and rear bottom sides of the handle (45) are provided with a magnet two (47), the front and rear sides of the inside of the receiving groove (42) are provided with a magnet one (46), the magnet one (46) corresponds to the magnet two (47), and the magnet one (46) and the magnet two (47) are attracted to each other.

7. The self-heat dissipating structural hydrogen energy fuel cell according to claim 1, wherein: The bottom side of the threaded rod (23) is provided with a motor, and the motor is a forward and reverse motor.

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