PEM water electrolysis hydrogen production flow channel bipolar plate

Abstract

The utility model relates to the technical field of PEM water electrolysis hydrogen production runner bipolar plates, in particular to a PEM water electrolysis hydrogen production runner bipolar plate which comprises a first main plate, a second main plate and a pressure relief device, the first main plate is placed on the surface of the second main plate, and the pressure relief device is arranged on the surface of the second main plate and comprises a top plate. The top plate is placed on the surface of the second main plate and slidably connected with the surface of the first main plate, the surfaces of the two sides of the first main plate are fixedly connected with symmetrically-arranged top blocks, the top plate is inserted into the surfaces of the top blocks, the surface of the top plate is fixedly connected with a sliding plate, and the inner surface of the sliding plate is in threaded connection with an adjusting rod. The surface of the second main plate is fixedly connected with a control motor, and the adjusting rod is fixedly connected with the driving end of the control motor. According to the bipolar plate, the pressure relief device is arranged, so that a worker can effectively and conveniently adjust the air pressure in the bipolar plate, the explosion risk of the bipolar plate is reduced, and the service life of the bipolar plate is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to PEM electrolytic water hydrogen production flow channel bipolar plate technical field especially, a kind of PEM electrolytic water hydrogen production flow channel bipolar plate. BACKGROUND

[0002] PEM electrolytic water hydrogen production flow channel bipolar plate is the core component of PEM electrolytic water hydrogen production equipment, main function includes supporting diffusion layer, conduction gas and cooling water, transmission electrolytic current and the conduction of heat production of electric pile, directly influence the performance of equipment, the structure of PEM electrolytic water hydrogen production flow channel bipolar plate includes liquid flow channel and gas flow channel, liquid flow channel is arranged on anode plate, including inlet channel and outlet channel, inlet branch structure is used to disperse liquid and transport to membrane electrode, outlet collection structure is used to converge liquid and output from outlet channel, gas flow channel is arranged on cathode plate, gas collection structure includes gas dispersion collection flow channel and multiple gas initial collection flow channel, these flow channels are communicated, gas dispersion collection flow channel is connected with gas flow channel, this design makes that fluid branch and converge evenly, reduce fluid resistance, improve production efficiency, PEM electrolytic water hydrogen production technology has the advantages of high purity, high efficiency and fast response, water molecules are decomposed into oxygen and hydrogen ion under the action of anode catalyst, then hydrogen ion passes through PEM membrane and generates hydrogen under the action of cathode catalyst, since cathode and anode are separated by PEM membrane, generated hydrogen and oxygen are separated, so hydrogen production purity is high, in addition, PEM electrolytic water hydrogen production also has the advantages of high energy conversion efficiency, fast response speed, small floor area, when worker needs to carry out electrolytic water hydrogen production, bipolar plate is used.

[0003] Existing equipment such as CN220265866U, a kind of AEM electrolytic water hydrogen production flow channel bipolar plate, the utility model relates to AEM electrolytic water hydrogen production flow channel bipolar plate technical field, including bipolar alloy plate, the two sides of the bipolar alloy plate are equipped with cathode panel and anode panel respectively, the inside of the cathode panel and anode panel is equipped with first flow channel and second flow channel respectively, the two ends of the cathode panel are equipped with oxygen outlet and electrolyte second inlet respectively, the two ends of the anode panel are equipped with electrolyte first inlet and hydrogen outlet respectively. The AEM electrolytic water hydrogen production flow channel bipolar plate, can better satisfy the pressure-bearing performance of tank body, satisfy good heat conduction performance, increase the contact area of electrolyte between bipolar alloy plate and diffusion layer, reduce the diffusion resistance of electrolyte and gas exchange, while taking into account contact resistance, improve the mass transfer rate of bipolar plate area gas-liquid, can improve the conductivity of the surface of bipolar plate, dense plating treatment optimizes the corrosion resistance of bipolar alloy plate.

[0004] When the worker needs to electrolyze water to produce hydrogen, the worker starts the bipolar plate so that the bipolar plate reacts with water to produce hydrogen, but the bipolar plate cannot be discharged in time due to excessive gas generated during use, resulting in excessive internal pressure of the bipolar plate, and further causing the problem of explosion of the bipolar plate. Utility model content

[0005] The utility model discloses a PEM electrolytic water hydrogen production flow channel bipolar plate which solves the problem of explosion of the bipolar plate in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PEM electrolytic water hydrogen production flow channel bipolar plate, including first main plate, second main plate and pressure relief device, the first main plate is placed on the surface of second main plate, the pressure relief device is set up on the surface of second main plate, the pressure relief device includes roof, the roof is placed on the surface of second main plate, the surface of roof and first main plate are connected with sliding, the surface fixedly connected with the top piece of both sides of first main plate is symmetrically arranged, the surface of roof and top piece are inserted, the surface fixedly connected with sliding plate of roof, the inner surface of sliding plate is connected with adjusting rod, the surface fixedly connected with control motor of second main plate, the drive end of adjusting rod and control motor are fixedly connected, the surface fixedly connected with two support plates of second main plate, the surface of adjusting rod and two support plates are rotatably connected, and support plate can be matched with second main plate to reach the purpose of supporting adjusting rod.

[0007] Preferably, the surface of the second main plate is provided with a convenience device, the convenience device includes an auxiliary rod, the second main plate is sleeved on the surface of the auxiliary rod, and the first main plate is sleeved on the surface of the auxiliary rod, so that the auxiliary rod can be matched with the first main plate to guide the first main plate and support the second main plate.

[0008] Preferably, the surface of the first main plate is provided with a pressure plate, the pressure plate is sleeved on the surface of the auxiliary rod, and the pressure plate can be matched with the first main plate to limit the first main plate.

[0009] Preferably, one side of the second main plate is provided with a driving motor, the driving end of the driving motor is fixedly connected with an anti-dropping rod, and the inner surface of the anti-dropping rod is threadedly connected with the pressure plate, so that the driving motor can be matched with the anti-dropping rod to adjust the pressure plate.

[0010] Preferably, the surface of one side of the second main plate is fixedly connected with a support block, the surface of the driving motor and the support block is fixedly connected, and the surface of the anti-dropping rod and the support block is rotatably connected, so that the support block can be matched with the second main plate to support the driving motor.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、 The utility model discloses a pressure relief device can effectively facilitate worker to adjust the air pressure in the bipolar plate, reduce the risk of explosion of bipolar plate, improve the service life of bipolar plate.

[0013] 2、 The utility model discloses a convenient device can effectively facilitate worker to close or open bipolar plate quickly, reduce the situation of closing or opening complicated in the process of using bipolar plate. DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic diagram of PEM electrolytic water hydrogen production flow channel bipolar plate is provided for the utility model;

[0015] Figure 2 A pressure relief device structure schematic diagram of PEM electrolytic water hydrogen production flow channel bipolar plate is provided for the utility model;

[0016] Figure 3 A convenient device structure schematic diagram of PEM electrolytic water hydrogen production flow channel bipolar plate is provided for the utility model; Figure 2 The structure schematic diagram of A in the utility model;

[0017] Figure 4 A convenient device structure schematic diagram of PEM electrolytic water hydrogen production flow channel bipolar plate is provided for the utility model;

[0018] Figure 5 The structure schematic diagram of B in the utility model; Figure 4

[0019] Legend:

[0020] 1、 The first main plate;2、 The second main plate;3、 Pressure relief device;31、 Support plate;32、 Adjusting rod;33、 Slide plate;34、 Top plate;35、 Top block;36、 Control motor;4、 Convenient device;41、 Pressing plate;42、 Anti -drop pole;43、 Support block;44、 Driving motor;45、 Auxiliary rod. CONCRETE IMPLEMENTATION

[0021] Please refer to Figures 1-5 The utility model provides a technical scheme: a PEM electrolytic water hydrogen production flow channel bipolar plate, including first main plate 1, second main plate 2 and pressure relief device 3, first main plate 1 is placed on the surface of second main plate 2, and pressure relief device 3 is set up on the surface of second main plate 2.

[0022] The specific setting and function of pressure relief device 3 and convenient device 4 are described below.

[0023] ​In the embodiment, the pressure relief device 3 comprises a top plate 34 placed on the surface of the second main plate 2, the top plate 34 is in sliding connection with the surface of the first main plate 1, the surfaces on both sides of the first main plate 1 are fixedly connected with top blocks 35 arranged in symmetry, the surface of the top plate 34 is inserted with the surface of the top block 35, the surface of the top plate 34 is fixedly connected with a sliding plate 33, the inner surface of the sliding plate 33 is threadedly connected with an adjusting rod 32, the surface of the second main plate 2 is fixedly connected with a control motor 36, and the driving end of the control motor 36 is fixedly connected with the adjusting rod 32.

[0024] Specifically, the surface of the second main plate 2 is fixedly connected with two support plates 31, the adjusting rod 32 is in rotary connection with the surface of the two support plates 31, and the support plates 31 can cooperate with the second main plate 2 to support the adjusting rod 32.

[0025] Specifically, the surface of the second main plate 2 is provided with a convenience device 4, the convenience device 4 comprises an auxiliary rod 45, the second main plate 2 is sleeved on the surface of the auxiliary rod 45, and the first main plate 1 is sleeved on the surface of the auxiliary rod 45.

[0026] In the embodiment, the auxiliary rod 45 can cooperate with the first main plate 1 to guide the first main plate 1 and support the second main plate 2.

[0027] In the embodiment, the surface of the first main plate 1 is placed with a pressing plate 41, the pressing plate 41 is sleeved on the surface of the auxiliary rod 45, and the pressing plate 41 can cooperate with the first main plate 1 to limit the first main plate 1.

[0028] Specifically, one side of the second main plate 2 is provided with a driving motor 44, the driving end of the driving motor 44 is fixedly connected with an anti-dropping rod 42, and the anti-dropping rod 42 is in threaded connection with the inner surface of the pressing plate 41.

[0029] In the embodiment, the driving motor 44 can cooperate with the anti-dropping rod 42 to adjust the pressing plate 41.

[0030] Specifically, the surface of one side of the second main plate 2 is fixedly connected with a support block 43, the driving motor 44 is fixedly connected with the surface of the support block 43, and the anti-dropping rod 42 is in rotary connection with the surface of the support block 43.

[0031] In the embodiment, the support block 43 can cooperate with the second main plate 2 to support the driving motor 44.

[0032] Working principle: by setting pressure relief device 3, start control motor 36, control motor 36 drive adjusting rod 32, adjusting rod 32 rotation and adjust the slide plate 33, slide plate 33 drive the top plate 34, the top plate 34 jacks up the top block 35, the top block 35 drive the first main plate 1, the first main plate 1 rises, the gas between the first main plate 1 and the second main plate 2 will be released, in addition, by setting the convenient device 4, start drive motor 44, drive motor 44 drive anti-off rod 42, anti-off rod 42 rotation and adjust the pressing plate 41, the pressing plate 41 is guided by the auxiliary rod 45, the pressing plate 41 slides and abuts against the first main plate 1, the first main plate 1 pushes the second main plate 2 and the auxiliary rod 45.

Claims

1. A PEM electrolysis water hydrogen production flow channel bipolar plate, comprising a first main plate (1), a second main plate (2), and a pressure relief device (3), characterized in that: The first main board (1) is placed on the surface of the second main board (2), and the pressure relief device (3) is set on the surface of the second main board (2). The pressure relief device (3) includes a top plate (34), which is placed on the surface of the second main board (2). The top plate (34) is slidably connected to the surface of the first main board (1). The surfaces on both sides of the first main board (1) are fixedly connected to symmetrically arranged top blocks (35). The top plate (34) is inserted into the surface of the top blocks (35). The surface of the top plate (34) is fixedly connected to a sliding plate (33). The inner surface of the sliding plate (33) is threadedly connected to an adjusting rod (32). The surface of the second main board (2) is fixedly connected to a control motor (36). The adjusting rod (32) is fixedly connected to the drive end of the control motor (36).

2. The PEM electrolysis water hydrogen production flow channel bipolar plate according to claim 1, characterized in that: The surface of the second main board (2) is fixedly connected to two support plates (31), and the adjusting rod (32) is rotatably connected to the surface of the two support plates (31).

3. The PEM electrolysis water hydrogen production flow channel bipolar plate according to claim 2, characterized in that: The surface of the second main board (2) is provided with a convenience device (4), the convenience device (4) includes an auxiliary rod (45), the second main board (2) is sleeved on the surface of the auxiliary rod (45), and the first main board (1) is sleeved on the surface of the auxiliary rod (45).

4. The PEM electrolysis water hydrogen production flow channel bipolar plate according to claim 3, characterized in that: A pressure plate (41) is placed on the surface of the first motherboard (1), and the pressure plate (41) is sleeved on the surface of the auxiliary rod (45).

5. The PEM electrolysis water hydrogen production flow channel bipolar plate according to claim 4, characterized in that: A drive motor (44) is provided on one side of the second main board (2). An anti-detachment rod (42) is fixedly connected to the drive end of the drive motor (44). The anti-detachment rod (42) is threadedly connected to the inner surface of the pressure plate (41).

6. The PEM electrolysis water hydrogen production flow channel bipolar plate according to claim 5, characterized in that: A support block (43) is fixedly connected to one side of the second motherboard (2), the drive motor (44) is fixedly connected to the surface of the support block (43), and the anti-detachment rod (42) is rotatably connected to the surface of the support block (43).

Images