Energy storage system cabinet hydrogen discharging device

Abstract

The utility model discloses an energy storage system cabinet hydrogen discharging device which comprises a door plate cover shell and a closed door plate, the door plate cover shell is fixedly installed on one side face of the closed door plate, an air inlet hole is formed in the door plate cover shell, and an exhaust fan assembly is installed on the outer side hole edge of the air inlet hole so that internal hydrogen can be conveniently introduced into the door plate cover shell. A plate row hole area is arranged on the closed door plate, a flow channel waterproof cover is fixedly arranged on the plate row hole area in the door plate cover shell in a covering mode, a driving lead screw is rotationally installed on the inner shell wall of the door plate cover shell, a wind shield is installed on the driving lead screw through a screwing driving nut, and the screwing driving nut is fixedly installed on the wind shield. The energy storage cabinet has the advantages of being high in integration degree, low in space occupancy rate, convenient to install and operate, capable of effectively preventing condensation in the energy storage cabinet and guaranteeing the stability of the environment in the energy storage cabinet, good in sealing performance and beneficial to prolonging the service life of an energy storage system.

Description

Technical Field

[0001] The utility model relates to the field of hydrogen discharge devices for cabinets, in particular to a hydrogen discharge device for a cabinet of an energy storage system. Background Art

[0002] The battery cell module is one of the most important components in a DC energy storage system, and its safety and reliability are the key to the entire system. During the operation of the energy storage system, hydrogen gas will be released from the electrolyte of the batteries inside the cabinet. If the hydrogen gas is not discharged in time, the hydrogen concentration will be too high, leading to serious safety accidents. Therefore, the hydrogen discharge device is crucial for the stable operation of the DC energy storage system. The traditional hydrogen discharge methods for energy storage cabinets mainly include open ventilation holes and fan ventilation, which have disadvantages such as large volume and high energy consumption. At the same time, their open structure cannot effectively prevent the intrusion of dust and rainwater, and it is easy to affect the hygiene and stability of the internal environment of the cabinet. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a hydrogen discharge device for a cabinet of an energy storage system to solve the above problems.

[0004] The utility model realizes the above purpose through the following technical solutions:

[0005] A hydrogen discharge device for a cabinet of an energy storage system includes a door panel cover housing and a closed door panel. The door panel cover housing is fixedly installed on one side of the closed door panel. An air inlet hole is provided on the door panel cover housing, and an exhaust fan assembly is installed on the outer hole edge of the air inlet hole to facilitate introducing the internal hydrogen gas into the door panel cover housing. A plate row hole area is provided on the closed door panel, and a flow channel waterproof cover is fixedly covered on the plate row hole area inside the door panel cover housing. A driving lead screw is rotatably installed on the inner wall of the door panel cover housing. A wind deflector is installed on the driving lead screw through a screwed driving nut. The screwed driving nut is fixedly installed on the wind deflector. The driving lead screw and the screwed driving nut are screwed together through threads. A sealing cotton layer is installed on one side of the wind deflector, and the sealing cotton layer is pressed against the flow channel waterproof cover. A closed travel switch and a channel travel switch are installed on the inner side wall of the door panel cover housing through a travel switch bracket. A travel contact ear is fixedly installed on the side edge of the wind deflector, and the travel contact ear is arranged between the closed travel switch and the channel travel switch. A guide rail bar is fixedly installed inside the door panel cover housing, and a guide wheel is rotatably installed on the wind deflector, and the guide wheel is installed on the guide rail bar.

[0006] Furthermore, a control motor is fixedly installed on the outer wall of the door panel cover housing, and the control motor is connected to one end of the driving lead screw.

[0007] Furthermore, a cover edge strip is integrally connected to the cover edge of the door panel cover housing, and the cover edge strip and the closed door panel are fixedly installed together by screws.

[0008] Further, an annular sealing pressure rubber pad is provided between the cover edge strip and the closing door panel.

[0009] Further, a plurality of flow channel holes are provided on the flow channel waterproof cover.

[0010] Further, the travel switch bracket is fixedly installed on the inner shell wall of the door panel cover housing through screws, and the closing travel switch and the channel travel switch are fixedly installed on the travel switch bracket through screws.

[0011] Further, a wire tying bridge is fixedly installed on the inner side shell wall of the door panel cover housing.

[0012] Further, a wire passing hole is provided on the door panel cover housing.

[0013] The beneficial effects are as follows:

[0014] The utility model has a high degree of integration, a low space occupancy rate, and is convenient for installation and operation;

[0015] It can effectively prevent condensation from generating inside the energy storage cabinet and ensure the environmental stability inside the energy storage cabinet;

[0016] It has good sealing performance. When hydrogen evacuation is not required, the hydrogen evacuation device will automatically close and stop, which can effectively inhibit external dust from entering the cabinet interior. Even in the normal hydrogen evacuation state, it can also play an effective waterproof role, which is beneficial to extending the service life of the energy storage system. Description of the Drawings

[0017] Figure 1 is a three-dimensional structure diagram of a hydrogen evacuation device for an energy storage system cabinet of the utility model;

[0018] Figure 2 is an internal structure diagram of the door panel cover housing of a hydrogen evacuation device for an energy storage system cabinet of the utility model;

[0019] Figure 3 is a side view structure diagram of a hydrogen evacuation device for an energy storage system cabinet of the utility model;

[0020] Figure 4 is an A-A structure diagram of a hydrogen evacuation device for an energy storage system cabinet of the utility model.

[0021] The descriptions of the reference numerals are as follows:

[0022] 1. Door panel cover housing; 2. Sealing door panel; 3. Exhaust fan assembly; 4. Control motor; 5. Wind deflector; 6. Sealing cotton layer; 7. Runner waterproof cover; 8. Travel ear; 9. Travel switch bracket; 10. Sealing travel switch; 11. Channel travel switch; 12. Rotating drive nut; 13. Drive lead screw; 14. Guide rail strip; 15. Rail wheel; 16. Cable tie bridge; 17. Wire passing hole; 18. Cover edge strip; 19. Plate row hole area. Detailed implementation mode

[0023] The present utility model will be further described below in conjunction with the accompanying drawings:

[0024] As Figures 1-4 shown, a hydrogen discharging device for an energy storage system cabinet is composed of a door panel cover housing 1 and a sealing door panel 2;

[0025] The door panel cover housing 1 is fixedly installed on one side surface of the sealing door panel 2. An air inlet hole is opened on the door panel cover housing 1. An exhaust fan assembly 3 is installed on the outer hole edge of the air inlet hole. The exhaust fan assembly 3 is connected to the energy storage system cabinet through a pipeline, so as to introduce the internal hydrogen into the door panel cover housing 1. The sealing door panel 2 is provided with a plate row hole area 19, which is composed of a plurality of exhaust small holes. A runner waterproof cover 7 is fixedly covered on the plate row hole area 19 in the door panel cover housing 1;

[0026] A drive lead screw 13 is rotatably installed on the inner wall of the door panel cover housing 1. A wind deflector 5 is installed on the drive lead screw 13 through a rotating drive nut 12. The rotating drive nut 12 is fixedly installed on the wind deflector 5. The drive lead screw 13 and the rotating drive nut 12 are screwed together through threads. When rotating, the wind deflector 5 is driven to move. A sealing cotton layer 6 is installed on one side surface of the wind deflector 5, and the sealing cotton layer 6 is pressed against the runner waterproof cover 7 to realize the blockage of gas;

[0027] A sealing travel switch 10 and a channel travel switch 11 are installed on the inner side wall of the door panel cover housing 1 through a travel switch bracket 9. A travel ear 8 is fixedly installed on the side edge of the wind deflector 5. The travel ear 8 is arranged between the sealing travel switch 10 and the channel travel switch 11 to realize the formation limit feedback during the moving process;

[0028] A guide rail strip 14 is fixedly installed inside the door panel cover housing 1. A rail wheel 15 is rotatably installed on the wind deflector 5. The rail wheel 15 is installed on the guide rail strip 14 to realize the limited movement of the wind deflector 5.

[0029] As Figures 1-4 shown, the present utility model also discloses the following multiple more optimized specific structures:

[0030] A control motor 4 is fixedly installed on the outer shell wall of the door panel cover housing 1. The control motor 4 is connected to one end of the driving lead screw 13 to supply the rotational driving force for the driving lead screw 13.

[0031] A cover edge strip 18 is integrally connected to the cover edge of the door panel cover housing 1. The cover edge strip 18 and the closing door panel 2 are fixedly installed together by screws, realizing the fixation of the door panel cover housing 1 and the closing door panel 2.

[0032] An annular sealing pressure rubber pad is provided between the cover edge strip 18 and the closing door panel 2 to increase the sealing performance between the door panel cover housing 1 and the closing door panel 2.

[0033] A plurality of flow channel holes are provided on the flow channel waterproof cover 7 for discharging hydrogen. When the sealing cotton layer 6 is pressed onto the flow channel waterproof cover 7, the flow channel holes are blocked. The flow channel holes mainly prevent external water from entering the door panel cover housing 1, that is, the flow channel holes only need to be avoided at the bottom of the flow channel waterproof cover 7. Even if external water splashes into the flow channel waterproof cover 7 through the plate drain hole area 19, it will not enter the door panel cover housing 1 through the flow channel holes.

[0034] The travel switch bracket 9 is fixedly installed on the inner shell wall of the door panel cover housing 1 by screws. The closing travel switch 10 and the channel travel switch 11 are fixedly installed on the travel switch bracket 9 by screws.

[0035] A wire tying bridge 16 is fixedly installed on the inner shell wall of the door panel cover housing 1. Its fixing method can be welding, riveting or screwing, and it is mainly used to tie up the wires passing through the interior; among them, the welding method can adopt one or several of fusion welding, pressure welding and brazing.

[0036] A wire passing hole 17 is provided on the door panel cover housing 1, and a wire harness ring plug is inserted into the wire passing hole 17 to increase its airtightness.

[0037] As Figures 1-4 The hydrogen discharging device of the energy storage system cabinet shown is mainly used for discharging hydrogen from the energy storage system cabinet. Among them, the moving positions of the wind deflector 5 are fed back through the closing travel switch 10 and the channel travel switch 11 to see whether it is in the closed or open state. The travel switch is a common electrical switch device, which is mostly used to limit the working stroke of motors, mechanical equipment and other electrical equipment. It mainly consists of a spring, an electrical contact and a triggering structure. In this embodiment, the closing travel switch 10 and the channel travel switch 11 close the circuit of the control motor through the internal electrical contacts, so as to control the motor. In addition, a control assembly and a gas detection assembly are also required to cooperate for hydrogen discharging. The specific hydrogen discharging method is as follows:

[0038] S1. Install a gas detection assembly inside the energy storage system cabinet, communicate with a control assembly, and communicatively connect the control assembly with a control motor 4, a closed travel switch 10, and a channel travel switch 11. Connect the exhaust fan assembly 3 to the exhaust pipe of the energy storage system cabinet.

[0039] S2. Set a low-point preset value on the control assembly.

[0040] S3. Feed back the data of the gas detection assembly to the control assembly for comparison. When the feedback hydrogen concentration is higher than the low-point preset value, the control assembly starts the control motor 4, moves the wind deflector 5 away from the flow channel waterproof cover 7, and feeds back to the designated position through the channel travel switch 11. Then the control motor 4 stops, and the exhaust fan assembly 3 is turned on for hydrogen discharge. When the feedback hydrogen concentration is lower than the low-point preset value, the control assembly starts the control motor 4, presses the wind deflector 5 and the sealing cotton layer 6 onto the flow channel waterproof cover 7, and feeds back the position through the closed travel switch 10. Then the control motor 4 stops rotating and the hydrogen discharge channel is closed.

[0041] In this embodiment, the range of the low-point preset value is 3.0% - 4.5%. The gas detection assembly includes but is not limited to a hydrogen sensor, an electrochemical sensor, an infrared sensor, etc.

[0042] Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A hydrogen discharge device for an energy storage system cabinet, characterized in that: The door panel cover shell comprises a door panel cover shell and a closed door panel. The door panel cover shell is fixedly mounted on one side of the closed door panel. An air inlet hole is provided on the door panel cover shell. An exhaust fan assembly is mounted on the outer hole edge of the air inlet hole to facilitate the introduction of internal hydrogen into the door panel cover shell. A plate row hole area is provided on the closed door panel. A flow channel waterproof cover is fixedly mounted on the plate row hole area in the door panel cover shell. A driving screw is rotatably mounted on the inner shell wall of the door panel cover shell. A windshield is mounted on the driving screw by screwing on a driving nut. The screwed driving nut is fixedly mounted on the On the wind shield, the driving screw and the screw-on driving nut are screwed together through threads, a sealing cotton layer is installed on one side of the wind shield, the sealing cotton layer is pressed onto the flow channel waterproof cover, the inner shell wall of the door panel cover shell is installed with a closed stroke switch and a channel stroke switch through a stroke switch bracket, a stroke contact ear is fixedly installed on the side edge of the wind shield, the stroke contact ear is arranged between the closed stroke switch and the channel stroke switch, a guide bar is fixedly installed inside the door panel cover shell, a rail wheel is rotatably installed on the wind shield, and the rail wheel is installed on the guide bar.

2. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: A control motor is fixedly mounted on the outer shell wall of the door panel cover shell, and the control motor is connected with one end of the driving lead screw.

3. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: A cover edge strip is integrally connected to the cover edge of the door panel cover shell body, and the cover edge strip is fixedly installed with the closed door panel by screws.

4. The hydrogen discharge device for an energy storage system cabinet according to claim 3, characterized in that: An annular sealing rubber pad is provided between the cover edge strip and the closed door panel.

5. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: A plurality of flow channel holes are arranged on the flow channel waterproof cover.

6. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: The travel switch bracket is fixedly mounted on the inner shell wall of the door panel cover shell body by screws, and the closed travel switch and the channel travel switch are fixedly mounted on the travel switch bracket by screws.

7. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: A wire binding bridge is fixedly installed on the inner shell wall of the door panel cover shell.

8. The hydrogen discharge device for an energy storage system cabinet according to claim 1, characterized in that: The door panel cover shell body is provided with a wire passing hole.

9. The hydrogen discharge device for an energy storage system cabinet according to claim 7, characterized in that: The fixing method is welding, riveting or screwing.

10. The hydrogen discharge device for an energy storage system cabinet according to claim 8, characterized in that: The wire passing inner plug is provided with a hole wire harness ring plug.

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