Electrolysis device

Abstract

The electrolysis device comprises a box body, a power supply cabinet and an air pressure adjusting assembly, and the interior of the box body is at least divided into a power supply cabin and an electric pile cabin; the power supply cabinet is arranged in the power supply cabin, a heat dissipation channel is arranged in the power supply cabinet, and the heat dissipation channel is communicated with the outside of the box body and isolated from the power supply cabin; and the air pressure adjusting assembly is arranged in the box body and is used for adjusting the air pressure in the power supply cabin to be greater than the air pressure in the electric pile cabin. The problem that in the heat dissipation process of the power supply module in the power supply cabinet body in the power supply cabin, hydrogen leaked from the galvanic pile cabin easily flows to the power supply cabin, so that the electrolysis device has large potential safety hazards is solved.

Description

Technical Field

[0001] The present application relates to the technical field of electric power industry, and in particular to an electrolysis device. Background Art

[0002] Common water electrolysis hydrogen production equipment is mainly divided into two parts: hydrogen production process equipment for water electrolysis hydrogen production and power distribution equipment for powering the hydrogen production process equipment. For example, in the AEM electrolyzer container layout (the full English name of AEM is Anion-Exchange Membrane), there is usually a power compartment for placing power distribution equipment such as power cabinets and distribution cabinets, and a stack compartment for placing hydrogen production process equipment such as stack modules and water tanks. In order to dissipate the heat of the power module inside the power cabinet in the power compartment, the general practice is to use a heat dissipation fan set in the container to guide the outside cold air into the power compartment through the ventilation windows of the container door or side panels, and then the power fan will suck the incoming cold air into the power cabinet to dissipate the heat of the power module, and then the wind passing through the power module will be discharged to the outside of the container. Since there are many connecting cables between the power supply compartment and the stack compartment, it is impossible to completely isolate the power supply compartment and the stack compartment. That is, the power supply compartment and the stack compartment are interconnected. When the power supply cooling fan exhausts air outward, the air in the stack compartment may flow to the power supply compartment along the cable connecting hole between the power supply compartment and the stack compartment. At this time, once hydrogen leaks in the stack compartment, the leaked hydrogen will also flow to the power supply compartment. Since hydrogen is easy to come into contact with the energized power distribution equipment in the power supply compartment and explode, the electrolyzer container has a great safety hazard. Utility Model Content

[0003] The main purpose of the present application is to provide an electrolysis device to solve the problem mentioned in the background technology that in the process of heat dissipation of the power module inside the power cabinet in the power compartment, the hydrogen leaked in the stack compartment is easy to flow into the power compartment, causing a great safety hazard in the electrolytic cell container.

[0004] According to one aspect of the present application, there is provided an electrolysis device, comprising:

[0005] A box body, wherein at least a power supply compartment and a stack compartment are separated in the box body;

[0006] A power supply cabinet, the power supply cabinet is arranged in the power supply compartment, and a heat dissipation channel is arranged in the power supply cabinet, the heat dissipation channel is communicated with the outside of the box body and is isolated from the power supply compartment;

[0007] An air pressure regulating component is disposed in the box body, and is used to regulate the air pressure in the power supply compartment to be greater than the air pressure in the fuel cell compartment.

[0008] Furthermore, the air pressure regulating assembly comprises:

[0009] a first air pressure regulating member, the first air pressure regulating member being disposed in the power supply compartment, and being used for regulating the air pressure in the power supply compartment to positive atmospheric pressure;

[0010] A second air pressure regulating component is disposed in the fuel cell compartment, and is used to regulate the air pressure in the fuel cell compartment to negative atmospheric pressure.

[0011] Furthermore, a first air inlet is provided on the side wall of the power supply compartment, the first air inlet connects the power supply compartment with the outside of the box, and the first air pressure regulating member includes:

[0012] An air inlet fan is installed at the first air inlet.

[0013] Furthermore, a first air outlet is provided on the side wall of the stack compartment, the first air outlet connects the stack compartment with the outside of the box, and the second air pressure regulating member includes:

[0014] An exhaust fan is installed at the first air outlet.

[0015] Furthermore, the first air outlet includes at least two, and the at least two first air outlets are respectively arranged on the side walls of the stack compartment on opposite sides along the first direction, and the exhaust fans include at least two, and the at least two exhaust fans are installed in a one-to-one correspondence on the at least two first air outlets.

[0016] Furthermore, the power supply cabinet includes:

[0017] A housing having a mounting cavity disposed therein;

[0018] A placement rack, the placement rack is installed in the installation cavity and is surrounded by the inner wall surface of the shell to form the heat dissipation channel;

[0019] A power module, the power module is placed on the placement rack and exposed to the heat dissipation channel;

[0020] A radiator is installed in the heat dissipation channel, and is used to dissipate the heat generated by the power module to the outside of the box along the heat dissipation channel.

[0021] Furthermore, a first channel and a second channel are provided between the shell and the box, the first channel is located at the bottom end of the shell along the second direction, the second channel is located at the top end of the shell along the second direction, and both the first channel and the second channel are connected to the heat dissipation channel, and the radiator includes:

[0022] A heat dissipation fan is installed in the heat dissipation channel and is located on a side of the placement rack close to the second channel.

[0023] Furthermore, the heat dissipation channel includes:

[0024] a sedimentation chamber, the sedimentation chamber being located on a side of the placement rack close to the first channel along the second direction and being in communication with the first channel;

[0025] A heat dissipation chamber is located between the settling chamber and the second channel and is communicated with the second channel, and the power module is located in the heat dissipation chamber.

[0026] Furthermore, the placement rack is provided with a plurality of placement slots, the power module is placed in the placement slots, and an installation gap is provided between at least one side of the power module along the second direction and the placement slots, and the installation gap is connected to the heat dissipation chamber on both opposite sides along the first direction.

[0027] Furthermore, a second air inlet and a second air outlet are provided on the box body, the second air inlet is connected to the first channel, the second air outlet is connected to the second channel, and a shutter is provided in at least one of the second air inlet and the second air outlet.

[0028] In the present application, a gas pressure regulating assembly is provided in the box body, and the gas pressure regulating assembly can adjust the gas pressure in the power supply compartment to be greater than the gas pressure in the battery stack compartment, so that the gas in the battery stack compartment with a lower pressure will not flow to the power supply compartment with a higher pressure, thereby ensuring that the hydrogen leaked in the battery stack compartment will not flow into the power supply compartment, avoiding the explosion caused by the contact of hydrogen with the live equipment in the power supply compartment, and improving the safety of the electrolysis device. At the same time, the heat dissipation channel is connected to the outside of the box body, so that the power cabinet can dissipate the heat generated inside itself to the outside of the box body through the heat dissipation channel. Since the heat dissipation channel is isolated from the power supply compartment, the heat dissipation channel is also isolated from the battery stack compartment, which not only ensures that the air in the power supply compartment and the battery stack compartment cannot enter the heat dissipation channel, but also makes the air flow in the heat dissipation channel not affect the air flow between the power supply compartment and the battery stack compartment. Therefore, the power cabinet will not have a negative impact on the air pressure in the power compartment during the heat dissipation process through the heat dissipation channel, ensuring that the air pressure in the power compartment can be maintained at a state greater than the air pressure in the fuel cell compartment under the regulation of the air pressure regulating component, reducing the difficulty of the air pressure regulating component in regulating the air pressure in the power compartment, and improving the air pressure regulation efficiency of the air pressure regulating component. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0030] Figure 1 A top view of the electrolysis device disclosed in this application;

[0031] Figure 2 for Figure 1 Schematic diagram of the AA section;

[0032] Figure 3 It is a rear view of the electrolysis device disclosed in the present application;

[0033] The above drawings include the following reference numerals:

[0034] 1. Box body; 11. Power supply compartment; 111. First air inlet; 12. Stack compartment; 121. First air outlet; 13. First channel; 14. Second channel; 15. Second air inlet; 16. Second air outlet; 17. Shutter; 2. Power supply cabinet; 20. Heat dissipation channel; 201. Settling chamber; 202. Heat dissipation chamber; 21. Shell; 210. Installation cavity; 22. Placement rack; 23. Power supply module; 24. Radiator; 31. Air intake fan; 32. Exhaust fan. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0038] Usually, the power distribution equipment is arranged in the power supply compartment, and the stack module is arranged in the stack compartment. A heat dissipation fan is arranged in the power distribution equipment for heat dissipation. When the heat dissipation fan is running, cold air enters the power supply compartment through the door or ventilation window of the power supply compartment, and the heat dissipation fan sucks the cold air in the power supply compartment into the power distribution equipment, so that the power module in the power distribution equipment can be cooled and cooled. After that, the heat dissipation fan will discharge the wind from the power module out of the power supply compartment. In the process of dissipating heat to the power module inside the power distribution equipment in the power supply compartment, the power of the heat dissipation fan is large, and the wind pressure and air volume of the heat dissipation fan are also large. In addition, the heat dissipation fan exhausts air outside the power supply compartment, which easily forms a large negative air pressure in the power supply compartment, resulting in a pressure difference between the power supply compartment and the stack compartment. Under the action of the pressure difference, the hydrogen leaked in the stack compartment is easy to flow to the power compartment from the cable connecting hole between the power supply compartment and the stack compartment. Since hydrogen is easy to contact with the energized distribution equipment in the power compartment and explode, there is a great safety hazard in the electrolyzer container. In addition, when cold air enters the power compartment, some dust will also enter the power compartment. The dust will be sucked into the power distribution equipment by the cooling fan, causing damage to the power distribution equipment.

[0039] In order to prevent the hydrogen generated by the stack module from coming into contact with the live equipment in the power supply compartment and causing an explosion, there are currently two main technical forms of design for water electrolysis hydrogen production equipment: one is to place the stack module and the power distribution equipment in two different compartments, and to set a larger distance between the two compartments to prevent the hydrogen generated by the stack module from coming into contact with the power distribution equipment. The other is to place the stack module and the power distribution equipment in the same compartment, and use power distribution equipment with explosion-proof function to prevent the hydrogen generated by the stack module from coming into contact with electric sparks and causing an explosion. However, the power distribution equipment with explosion-proof function is expensive and large in size, and there are many components in the power distribution equipment, which makes it difficult to completely achieve explosion-proof of the power distribution equipment.

[0040] In view of the above problems, this application provides an electrolysis device, see Figures 1 to 3 .

[0041] like Figures 1 to 3 As shown, the present application provides an electrolysis device, which includes a housing 1, a power cabinet 2 and an air pressure regulating assembly. The housing 1 is at least divided into a power compartment 11 and a stack compartment 12. The power cabinet 2 is arranged in the power compartment 11, and a heat dissipation channel 20 is arranged in the power cabinet 2. The heat dissipation channel 20 is connected to the outside of the housing 1 and is isolated from the power compartment 11. The air pressure regulating assembly is arranged in the housing 1. The air pressure regulating assembly is used to adjust the air pressure in the power compartment 11 to be greater than the air pressure in the stack compartment 12.

[0042] In this embodiment, a gas pressure regulating assembly is provided in the box 1, and the gas pressure regulating assembly can adjust the gas pressure in the power supply compartment 11 to be greater than the gas pressure in the battery stack compartment 12, so that the gas in the battery stack compartment 12 with a lower pressure will not flow to the power supply compartment 11 with a higher pressure, thereby ensuring that the hydrogen leaked in the battery stack compartment 12 will not flow into the power supply compartment 11, avoiding the explosion caused by the contact of hydrogen with the live equipment in the power supply compartment 11, and improving the safety of the electrolysis device. At the same time, the heat dissipation channel 20 is connected to the outside of the box 1, so that the power cabinet 2 can dissipate the heat generated inside itself to the outside of the box 1 through the heat dissipation channel 20. Since the heat dissipation channel 20 is isolated from the power supply compartment 11, the heat dissipation channel 20 is also isolated from the battery stack compartment 12, which can not only ensure that the air in the power supply compartment 11 and the battery stack compartment 12 cannot enter the heat dissipation channel 20, but also make the air flow in the heat dissipation channel 20 not affect the air flow between the power supply compartment 11 and the battery stack compartment 12. Therefore, the power cabinet 2 will not have a negative impact on the air pressure of the power compartment 11 during the process of dissipating heat through the heat dissipation channel 20, ensuring that the air pressure in the power compartment 11 can be maintained at a state greater than the air pressure in the stack compartment under the regulation of the air pressure regulating component, thereby reducing the difficulty of the air pressure regulating component in regulating the air pressure in the power compartment 11 and improving the air pressure regulation efficiency of the air pressure regulating component.

[0043] Moreover, this embodiment isolates the heat dissipation channel 20 in the power cabinet 2 from the power compartment 11 and adjusts the air pressure in the power compartment 11 to be greater than the air pressure in the stack compartment 12 through the air pressure regulating component, so as to prevent the hydrogen generated in the stack compartment 12 from contacting the energized equipment in the power compartment 11 and causing an explosion. Compared with the method of using distribution equipment with explosion-proof function to improve the safety of the electrolysis device, this method not only does not lead to a higher cost of the electrolysis device, but also does not increase the overall volume of the electrolysis device, thereby facilitating the transportation and installation of the electrolysis device.

[0044] The stack chamber 12 is provided with stack modules, water tanks and other process equipment. The stack module can be used to prepare hydrogen. The stack module is connected to the power cabinet 2 through cables to control the operation of the stack module and supply power to the stack module. The power compartment 11 is also provided with electrical equipment such as a control cabinet and a power distribution cabinet to control the operation of the stack module and perform human-computer interaction.

[0045] In order to make the air pressure in the power supply compartment 11 greater than the air pressure in the fuel cell compartment 12, in one embodiment, the air pressure regulating assembly includes a first air pressure regulating member and a second air pressure regulating member. The first air pressure regulating member is disposed in the power supply compartment 11, and the first air pressure regulating member is used to adjust the air pressure in the power supply compartment 11 to a positive atmospheric pressure. The second air pressure regulating member is disposed in the fuel cell compartment 12, and the second air pressure regulating member is used to adjust the air pressure in the fuel cell compartment 12 to a negative atmospheric pressure. The positive atmospheric pressure in the power supply compartment 11 is greater than the negative atmospheric pressure in the fuel cell compartment 12, so that a pressure difference is formed between the power supply compartment 11 and the fuel cell compartment 12, ensuring that hydrogen leaked in the fuel cell compartment 12 cannot flow into the power supply compartment 11, thereby avoiding the risk of explosion caused by contact between hydrogen and live equipment in the power supply compartment 11. The first air pressure regulating component and the second air pressure regulating component are respectively arranged in the power supply compartment 11 and the battery stack compartment 12, and can independently adjust the air pressure of each compartment, which is beneficial for the air pressure regulating component to perform more flexible and precise air pressure control operations on the power supply compartment 11 and the battery stack compartment 12 respectively.

[0046] The first air pressure regulating component and the second air pressure regulating component in this embodiment may specifically include regulating components such as air pressure regulators and air pressure balancers. However, since air pressure regulators, air pressure balancers and other components adjust the air pressure in the power supply compartment 11 and the battery stack compartment 12 through electronic control components, the air pressure regulating speed of air pressure regulators, air pressure balancers and other components is slow. At the same time, due to the addition of electronic control components, the energy consumption of air pressure regulators, air pressure balancers and other components also increases accordingly, resulting in an increase in the cost of air pressure regulating components. In addition, air pressure regulators, air pressure balancers and other components are relatively complex and have relatively high maintenance costs.

[0047] In a preferred embodiment of the present application, a first air inlet 111 is provided on the side wall of the power compartment 11, and the first air inlet 111 connects the power compartment 11 with the outside of the box body 1, and the first air pressure regulating member includes an air inlet fan 31, and the air inlet fan 31 is installed at the first air inlet 111. When the air inlet fan 31 is running, the air inlet fan 31 can quickly introduce the air outside the box body 1 into the power compartment 11 from the first air inlet 111, and the air pressure of the power compartment 11 will rise, forming a positive pressure environment, so as to effectively prevent the hydrogen leaked from the stack compartment 12 from flowing into the power compartment 11. And the air inlet fan 31 is used to adjust the air pressure in the power compartment 11, and the air inlet fan 31 can more accurately control the air flow entering the power compartment 11, thereby adjusting the air pressure of the power compartment 11 to a positive atmospheric pressure, which is conducive to improving the safety of the electrolysis device.

[0048] In one embodiment, a first air outlet 121 is provided on the side wall of the stack compartment 12, and the first air outlet 121 connects the stack compartment 12 with the outside of the box body 1, and the second air pressure regulating member includes an exhaust fan 32, and the exhaust fan 32 is installed at the first air outlet 121. When the exhaust fan 32 is running, the exhaust fan 32 can more quickly discharge the air in the stack compartment 12 into the power compartment 11 from the first air outlet 121, and the air pressure in the power compartment 11 will drop, forming a negative pressure environment, effectively preventing the hydrogen leaked in the stack compartment 12 from flowing into the power compartment 11. And the exhaust fan 32 is used to adjust the air pressure in the stack compartment 12, and the exhaust fan 32 can more accurately control the air flow discharged from the stack compartment 12, thereby adjusting the air pressure in the stack compartment 12 to negative atmospheric pressure, which is conducive to improving the safety of the electrolysis device. Moreover, the exhaust fan 32 can not only adjust the air pressure of the stack chamber 12 to negative atmospheric pressure, but also discharge the hydrogen directly to the outside of the box in a timely and effective manner when hydrogen is generated in the stack chamber 12, thereby avoiding the hydrogen from staying in the stack chamber 12, and further improving the safety of the electrolysis device.

[0049] Therefore, compared with designing regulating devices such as air pressure regulators and air pressure balancers to adjust the air pressure in the power compartment 11 and the battery stack compartment 12, the present embodiment adopts the air intake fan 31 and the exhaust fan 32 to respectively adjust the air pressure in the power compartment 11 and the battery stack compartment 12. By only changing the ventilation volume of the air intake fan 31 and the exhaust fan 32, the air pressure in the power compartment 11 can be quickly and efficiently adjusted to be greater than the air pressure in the battery stack compartment 12. The air intake fan 31 and the exhaust fan 32 have a faster response speed, a higher efficiency in adjusting the air pressure, and the structure of the air intake fan 31 and the exhaust fan 32 is simpler, which is convenient for maintenance.

[0050] In order to further ensure that the air pressure of the stack compartment 12 is negative atmospheric pressure and to increase the exhaust rate, in one embodiment, the first air outlet 121 includes at least two, and the at least two first air outlets 121 are respectively arranged in the stack compartment 12 along the first direction (such as Figure 1 On the side walls on opposite sides of the housing 1 (in the direction indicated by the arrow Y shown, specifically the width direction of the housing 1), the exhaust fans 32 include at least two, and at least two exhaust fans 32 are installed one by one at at least two first air outlets 121. In this embodiment, the air pressure of the stack compartment 12 is adjusted by at least two exhaust fans 32 arranged at at least two first air outlets 121, so as to increase the exhaust volume and improve the air pressure adjustment efficiency when the air pressure of the stack compartment 12 is adjusted by at least two exhaust fans 32, so as to ensure that the stack compartment 12 is in a negative pressure state. At least two exhaust fans 32 can discharge the leaked hydrogen to the outside of the housing 1 in a timely and rapid manner. And when a certain exhaust fan 32 or the first air outlet 121 is repaired, the other exhaust fans 32 and the first air outlet 121 can still be exhausted to ensure that the air pressure of the stack compartment 12 is maintained in a negative pressure state, and to ensure that hydrogen does not flow to the power compartment 11.

[0051] In one embodiment, the power cabinet 2 includes a shell 21, a placement rack 22, a power module 23 and a radiator 24. An installation cavity 210 is provided in the shell 21. The placement rack 22 is installed in the installation cavity 210 and is surrounded by the inner wall surface of the shell 21 to form a heat dissipation channel 20. The power module 23 is placed on the placement rack 22 and exposed in the heat dissipation channel 20. The radiator 24 is installed in the heat dissipation channel 20, and the radiator 24 is used to dissipate the heat generated by the power module 23 to the outside of the box body 1 along the heat dissipation channel 20. The radiator 24 drives the air outside the box body 1 to flow into the heat dissipation channel 20, and after the power module 23 dissipates the heat, the radiator 24 drives the air to flow out of the heat dissipation channel 20. In the process of dissipating heat for the power module 23, when the radiator 24 is in operation, the air in the heat dissipation channel 20 will not affect the air pressure in the power compartment 11, ensuring that the power compartment 11 is under positive atmospheric pressure, and effectively preventing the leaked hydrogen from flowing into the power compartment 11. The power module 23 is placed on the placement rack 22, and the placement rack 22 provides support for the power module 23. The power module 23 is exposed in the heat dissipation channel 20, so that the air in the heat dissipation channel 20 can contact the power module 23 to take away the heat generated by the power module 23, thereby ensuring the stable operation of the power module 23.

[0052] In one embodiment, a first channel 13 and a second channel 14 are provided between the shell 21 and the box body 1, the first channel 13 is located at the bottom end of the shell 21 along the second direction, and the second channel 14 is located at the bottom end of the shell 21 along the second direction (such as Figure 2The direction indicated by the arrow Z is specifically the top of the height direction of the box body 1, and the first channel 13 and the second channel 14 are both connected to the heat dissipation channel 20. The air outside the box body 1 can enter the heat dissipation channel 20 from the first channel 13 to dissipate heat, and then take the heat generated by the power module 23 out of the box body 1 through the second channel 14. The second channel 14 is higher than the first channel 13, which is conducive to extending the path of the heat dissipation channel 20, ensuring that the air is fully in contact with the power module 23 to take away the heat generated by the power module 23.

[0053] The heat sink 24 includes a heat dissipation fan, which is installed in the heat dissipation channel 20 and is located on the side of the placement rack 22 close to the second channel 14. The heat dissipation fan draws air from the outside of the box 1 into the heat dissipation channel 20 from the first channel 13, drives the air to flow into the power module 23 exposed in the heat dissipation channel 20 to take away the heat generated by the power module 23, and then the heat dissipation fan discharges the air from the heat dissipation channel 20 from the second channel 14. The heat dissipation fan has high working efficiency and can quickly and effectively take away the heat generated by the power module 23 to ensure the stable operation of the power module 23. The heat dissipation fan is close to the side of the second channel 14, which can quickly discharge the wind that absorbs heat, avoid the wind that absorbs heat from staying in the heat dissipation air duct for too long, and is conducive to quickly dissipating the heat generated by the power module 23 to the outside of the box 1 along the heat dissipation channel 20.

[0054] like Figure 2 As shown, in one embodiment, the heat dissipation channel 20 includes a settling chamber 201 and a heat dissipation chamber 202. The settling chamber 201 is located on one side of the placement rack 22 close to the first channel 13 along the second direction and is connected to the first channel 13. The heat dissipation chamber 202 is located between the settling chamber 201 and the second channel 14 and is connected to the second channel 14. The power module 23 is located in the heat dissipation chamber 202. The settling chamber 201 is close to the near-ground end and is located below the heat dissipation chamber 202. In the process of external air flowing from the second channel 14 to the first channel 13, dust in the air falls into the settling chamber 201 under the influence of gravity, effectively reducing dust entering the power module 23.

[0055] In order to ensure that the air can fully contact the power module 23 to achieve a good heat dissipation effect, in one embodiment, a plurality of placement slots are provided on the placement rack 22, the power module 23 is placed in the placement slot, and there is an installation gap between at least one side of the power module 23 along the second direction and the placement slot, and the installation gap is connected to the heat dissipation chamber 202 on both opposite sides along the first direction. Among them, a plurality of placement slots are provided on the placement rack 22, and the plurality of placement slots are arranged in multiple rows and columns, and each placement slot is a hollow slot structure. Specifically, the placement slots are arranged along the first direction, the second direction, and the third direction ( Figure 1The two opposite sides of the power module 23 (in the direction indicated by the arrow X, specifically the length direction of the box body) are hollow slot structures connected to the heat dissipation chamber 202, so that after the power module 23 is placed in the placement slot, the two opposite sides of the power module 23 along the first direction, the second direction and the third direction are exposed to the heat dissipation chamber 202, thereby improving the heat dissipation efficiency of the heat dissipation chamber 202 when the power module 23 is dissipated. Therefore, the installation gap between the power module 23 and the placement slot can be the gap between the power module 23 and at least one side of the placement slot where it is located along the second direction, and / or the gap between at least one side of the power module 23 along the second direction and the adjacent placement slot, ensuring that the air can pass through the installation gap and fully contact the power module 23, and the air can take away the heat generated by the power module 23, ensuring that the power module 23 achieves a good heat dissipation and cooling effect. In other words, the air in the heat dissipation chamber 202 can flow from one side of the power module 23 along the first direction to the other side along the installation gap, and then the air flowing through the power module 23 is quickly discharged by the heat dissipation fan. Along the third direction, two opposite sides of the placement slot are provided with slide rails, and the power module 23 is slidably connected to the slide rails to facilitate the removal and placement of the power module 23.

[0056] like Figure 3 As shown, in order to further reduce the dust entering the power cabinet 2, in one embodiment, a second air inlet 15 and a second air outlet 16 are provided on the box body 1, the second air inlet 15 is connected to the first channel 13, the second air outlet 16 is connected to the second channel 14, and a shutter 17 is provided in at least one of the second air inlet 15 and the second air outlet 16. The shutter 17 can effectively reduce the dust and rainwater entering the box body 1, which is conducive to keeping the inside of the box body 1 clean and dry, and preventing dust from damaging the power module 23. The shutter 17 can be provided alone in the second air inlet 15. Alternatively, it can also be provided alone in the second air outlet 16. Alternatively, the second air inlet 15 and the second air outlet 16 are both provided with shutters 17 to protect the power module 23 in the power cabinet 2 from pollution.

[0057] In one embodiment, a wiring trough for connecting the power supply compartment 11 and the stack compartment 12 may be provided in the box body 1, and the cables are placed in the wiring trough, which may be embedded in the side wall of the box body 1. A flame retardant material with fireproof and sealing properties may be filled between the wiring trough and the connection between the power supply compartment 11 and the stack compartment 12. Specifically, the flame retardant material may be selected from materials with flame retardant properties such as cement and rock wool for filling.

[0058] In one embodiment, a partition may be provided in the box body 1 , and the partition separates the box body 1 into at least a power supply compartment 11 and a stack compartment 12 . The partition may be an explosion-proof plate, which can improve the safety performance of the box body 1 .

[0059] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0060] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0061] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrolysis device, characterized in that: include: A box body (1), wherein the box body (1) is divided into at least a power supply compartment (11) and a battery stack compartment (12); A power cabinet (2), the power cabinet (2) being arranged in the power compartment (11), and a heat dissipation channel (20) being arranged in the power cabinet (2), the heat dissipation channel (20) being in communication with the outside of the box (1) and being isolated from the power compartment (11); An air pressure regulating component is arranged in the box body (1), and is used to regulate the air pressure in the power supply compartment (11) to be greater than the air pressure in the fuel cell compartment (12).

2. The electrolysis device according to claim 1, characterized in that: The gas pressure regulating assembly comprises: A first air pressure regulating member, the first air pressure regulating member being arranged in the power supply compartment (11), and being used for regulating the air pressure in the power supply compartment (11) to positive atmospheric pressure; A second air pressure regulating component, wherein the second air pressure regulating component is arranged in the fuel cell compartment (12), and the second air pressure regulating component is used to regulate the air pressure in the fuel cell compartment (12) to negative atmospheric pressure.

3. The electrolysis device according to claim 2, characterized in that: A first air inlet (111) is provided on a side wall of the power supply compartment (11), the first air inlet (111) connecting the power supply compartment (11) with the outside of the box (1), and the first air pressure regulating member comprises: An air inlet fan (31), the air inlet fan (31) is installed at the first air inlet (111).

4. The electrolysis device according to claim 2 or 3, characterized in that: A first air outlet (121) is provided on a side wall of the stack compartment (12), the first air outlet (121) connecting the stack compartment (12) with the outside of the box (1), and the second air pressure regulating member comprises: An exhaust fan (32), the exhaust fan (32) being installed at the first air outlet (121).

5. The electrolysis device according to claim 4, characterized in that: The first air outlet (121) includes at least two, and the at least two first air outlets (121) are respectively arranged on the side walls of the stack compartment (12) on opposite sides along the first direction; the exhaust fans (32) include at least two, and the at least two exhaust fans (32) are installed in a one-to-one correspondence on the at least two first air outlets (121).

6. The electrolysis device according to any one of claims 1 to 3, characterized in that: The power supply cabinet (2) comprises: A housing (21), wherein a mounting cavity (210) is provided in the housing (21); A placement rack (22), the placement rack (22) being installed in the installation cavity (210) and surrounding the inner wall surface of the shell (21) to form the heat dissipation channel (20); A power module (23), the power module (23) being placed on the placement rack (22) and exposed to the heat dissipation channel (20); A radiator (24), the radiator (24) being installed in the heat dissipation channel (20), the radiator (24) being used to dissipate heat generated by the power module (23) along the heat dissipation channel (20) to the outside of the box (1).

7. The electrolysis device according to claim 6, characterized in that: A first channel (13) and a second channel (14) are provided between the shell (21) and the box (1); the first channel (13) is located at the bottom end of the shell (21) along the second direction; the second channel (14) is located at the top end of the shell (21) along the second direction; and both the first channel (13) and the second channel (14) are in communication with the heat dissipation channel (20); the heat sink (24) comprises: A heat dissipation fan is installed in the heat dissipation channel (20) and is located on a side of the placement rack (22) close to the second channel (14).

8. The electrolysis device according to claim 7, characterized in that: The heat dissipation channel (20) comprises: a sedimentation chamber (201), the sedimentation chamber (201) being located on a side of the placement rack (22) close to the first channel (13) along the second direction and being in communication with the first channel (13); A heat dissipation chamber (202), the heat dissipation chamber (202) being located between the sedimentation chamber (201) and the second channel (14) and being in communication with the second channel (14), and the power module (23) being located in the heat dissipation chamber (202).

9. The electrolysis device according to claim 8, characterized in that: The placement rack (22) is provided with a plurality of placement slots, the power module (23) is placed in the placement slots, and an installation gap is provided between at least one side of the power module (23) along the second direction and the placement slot, and both opposite sides of the installation gap along the first direction are connected to the heat dissipation chamber (202).

10. The electrolysis device according to claim 7, characterized in that: The box body (1) is provided with a second air inlet (15) and a second air outlet (16); the second air inlet (15) is connected to the first channel (13); the second air outlet (16) is connected to the second channel (14); and a shutter (17) is provided in at least one of the second air inlet (15) and the second air outlet (16).

Images