Internal drainage structure of battery cabinet

Abstract

The utility model discloses an internal drainage structure of a battery cabinet. The internal drainage structure is arranged on a cabinet body of the battery cabinet; the battery cabinet is divided into a battery pack placing bin and a control power source placing bin, the battery pack placing bin comprises a first waterproof table located on a partition plate and protruding out of the upper surface of the partition plate and a first waterproof supporting frame located above the first waterproof table, and a first water outlet is formed in the end, away from the battery pack placing direction, of the first waterproof table. A liquid cooling machine placement disc is arranged in the control power supply placement bin and is parallel to the partition plate, a second waterproof supporting frame and a second water drainage opening are arranged on the liquid cooling machine placement disc, a second waterproof platform is arranged on a bottom plate at the bottom of the control power supply bin in a manner of protruding out of the surface of the bottom plate, and a third water drainage opening is formed in the second waterproof platform. The first water drainage opening, the second water drainage opening and the third water drainage opening are all connected with water drainage pipes. Battery faults caused by accumulated water in the battery cabinet are avoided, and the service life of batteries and all devices in the battery cabinet is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage battery cabinets, in particular to a drainage structure inside a battery cabinet. Background Art

[0002] As the main storage device for storing electric energy, the battery plays an important role in the development of new energy, and the battery affects the development of new energy. In order to accommodate the placement of multiple battery packs, a battery cabinet capable of accommodating an energy storage system formed by the series and parallel connection of multiple battery strings is required.

[0003] Limited by the battery usage environment and the surrounding environment of the battery cabinet, water is likely to accumulate inside the battery cabinet. The accumulated water is likely to cause failures of the batteries inside the battery cabinet and even endanger the safety of personnel. Therefore, a drainage structure inside the battery cabinet is needed to solve the above problems. Summary of the Utility Model

[0004] To overcome the above disadvantages, the purpose of the utility model is to provide a drainage structure inside a battery cabinet, which can avoid battery failures caused by water accumulation inside the battery cabinet, ensure the service life of the batteries and various components inside the battery cabinet, and ensure the safety of personnel.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is: a drainage structure inside a battery cabinet, which is arranged in the battery cabinet body; the battery cabinet body is divided into a battery pack placement compartment and a control power supply placement compartment from top to bottom through a partition board. The battery pack placement compartment includes a waterproof platform 1 located on the partition board and protruding from its upper surface, and a waterproof support frame 1 located above the waterproof platform 1. One end of the waterproof platform 1 far away from the battery pack insertion direction is provided with a drain port 1. A liquid cooler placement tray is arranged in the control power supply placement compartment parallel to the partition board. The liquid cooler placement tray is provided with a waterproof support frame 2 and a drain port 2. A waterproof platform 2 protrudes from the surface of the bottom plate at the bottom of the control power supply compartment. A drain port 3 is arranged on the waterproof platform 2. Drain pipes are connected to the drain port 1, the drain port 2, and the drain port 3.

[0006] Furthermore, the waterproof support frame 1 is symmetrically arranged on the battery cabinet body along the battery pack insertion direction and is detachably connected to the battery cabinet body. The waterproof support frame 1 is used to support and place multiple stacked battery packs, so that there is a space for water accumulation between the bottom of the battery pack and the partition board, avoiding direct contact between the water and the battery pack when water leaks, resulting in damage to the battery pack.

[0007] Further, the bottom of the battery pack is connected to the first waterproof support frame through a liquid cooling plate, and a layer of buffer foam is laid on the surface of the liquid cooling plate. By providing the liquid cooling plate, while providing support for the battery pack, it can also dissipate heat from the battery pack during long-term use, avoiding the phenomenon of short circuit due to excessive temperature of the battery pack during long-term use. The buffer foam can play a buffering role when multiple battery packs are stacked on the liquid cooling plate, avoiding friction between the bottom of the battery pack and the liquid cooling plate.

[0008] Further, the buffer member is connected to the battery cabinet body through bolts, and the positioning member is arranged in an inverted L shape on the support portion to position the position of the liquid cooling plate.

[0009] Further, the first waterproof support frame includes a fixing portion bolted to the battery cabinet body and a support portion. A buffer member connected to the battery cabinet body is provided at one end of the support portion close to the battery pack inlet, and a positioning member is provided at the end of the support portion far from the battery pack inlet. The liquid cooling plate is laid on the first waterproof support frame. When the battery packs are sequentially placed on the liquid cooling plate, due to the heavy stacking of the battery packs, the liquid cooling plate will tend to move downward under the pressure of the battery packs, and the buffer member can well offset the above pressure, thus ensuring that the middle part of the liquid cooling plate will not bend. The setting of the positioning member can position the installation of the liquid cooling plate.

[0010] Further, liquid level sensors are provided on both the partition plate and the bottom plate. When the water level accumulated on the partition plate and the base reaches the value monitored by the liquid level sensor, the liquid level sensor senses and transmits a signal to the control power supply, and the control power supply cuts off the power supply of the devices in the entire battery cabinet, thereby ensuring the personal safety of the staff and avoiding short circuits between the devices due to water ingress.

[0011] Further, a first water baffle and a second water baffle are respectively provided on the partition plate and the bottom plate close to one side of the battery cabinet door, and both ends of the first water baffle and the second water baffle are respectively connected to the corresponding two sides on the battery cabinet body. By providing the first water baffle and the second water baffle, the bottom of the battery pack placement compartment and the control power supply placement slot are effectively sealed to prevent external water from entering the battery cabinet.

[0012] Further, the second waterproof support frame is arranged along the width direction of the battery cabinet body, and a plurality of water passing grooves are provided along the length direction on one side of the second waterproof support frame close to the central axis of the battery cabinet body. By providing the water passing grooves, the discharge speed of the water entering the second waterproof support frame is not affected, ensuring that the accumulated water will not affect the liquid cooler.

[0013] Further, waterproof plates are provided around the liquid cooler placement tray, and two relatively arranged waterproof plates are bolted to the battery cabinet body. By providing the waterproof plates, the amount of water entering the liquid cooler placement tray is reduced.

[0014] Furthermore, on both sides of the second waterproof platform that are relatively close to the battery cabinet body and opposite to each other, a drainage rack is vertically arranged respectively. A water guide port is opened on one side of the drainage rack close to the second waterproof platform. The accumulated water exceeding the height of the second waterproof platform can flow through the water guide port to the third drainage port and be discharged from the battery cabinet body through the drain pipe connected to the third drainage port.

[0015] Advantages of the present utility model:

[0016] In the present utility model, the first waterproof platform, the first waterproof support frame, the first drainage port, the second drainage port, the second waterproof support frame, the liquid level sensor, the third drainage port and the second waterproof platform cooperate with each other. The first drainage port, the second drainage port and the third drainage port can drain the accumulated water in the battery cabinet, avoiding battery failures caused by accumulated water inside the battery cabinet. The settings of the first waterproof support frame and the second waterproof support frame can ensure that the battery pack and the control components will not come into contact with the accumulated water, thereby ensuring the service life of the batteries and various components in the battery cabinet and ensuring the safety of personnel. Description of the drawings

[0017] Figure 1 Partial structural axonometric view of an embodiment of the present utility model;

[0018] Figure 2 Another partial structural axonometric view of an embodiment of the present utility model;

[0019] Figure 3 Another partial structural axonometric view of an embodiment of the present utility model;

[0020] Figure 4 Overall structural axonometric view of the first waterproof support frame of an embodiment of the present utility model;

[0021] Figure 5 Overall structural axonometric view of the second waterproof support frame of an embodiment of the present utility model;

[0022] In the figure: 1. Battery cabinet body; 2. Battery pack placement bin; 21. First waterproof platform; 23. First waterproof support frame; 231. Fixed part; 232. Support part; 233. Buffer part; 234. Positioning part; 24. First drainage port; 25. First water baffle; 3. Control power supply placement bin; 31. Liquid cooler placement tray; 32. Second waterproof support frame; 321. Water overflow trough; 33. Waterproof board; 34. Second drainage port; 4. Partition board; 5. Bottom board; 51. Water baffle; 6. Liquid level sensor; 7. Water guide port; 8. Third drainage port; 9. Second waterproof platform. Detailed implementation manners

[0023] The following elaborates on the preferred embodiments of the present utility model in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the present utility model more clearly defined.

[0024] Refer to the attached Figures 1 to 2 As shown, a drainage structure inside a battery cabinet in this embodiment is provided in the battery cabinet body 1; the battery cabinet body 1 is divided into a battery pack placement bin 2 and a control power placement bin 3 from top to bottom by a partition board 4. The battery pack placement bin 2 includes a waterproof platform one 21 located on the partition board 4 and protruding above its upper surface, and a waterproof support frame one 23 above the waterproof platform one 21. One end of the waterproof platform one 21 away from the battery pack insertion direction is provided with a drainage port one 24. Multiple battery packs are stacked on the waterproof support frame one 23 in sequence. The waterproof platform one 21 is higher than the partition board 4, and the waterproof support frame one 23 is set higher than the waterproof platform one 21. Thus, when water enters the battery pack placement bin 2, the accumulated water below the waterproof platform one 21 will not affect the battery packs. And when the accumulated water exceeds the waterproof platform one 21, it can also be discharged from the drainage port one 24 opened on the waterproof platform one 21, ensuring that the water level of the accumulated water in the battery pack placement bin 2 never exceeds the height of the waterproof platform one 21, and ensuring the service life of the battery packs.

[0025] A liquid cooler placement tray 31 parallel to the partition board 4 is provided in the control power placement bin 3. A waterproof support frame two 32 and a drainage port two 34 are provided on the liquid cooler placement tray 31. The liquid cooler placement tray 31 is used to place a liquid cooler for cooling the battery packs. The liquid cooler is located on the waterproof support frame two 32, that is, there is enough height between the bottom of the liquid cooler placement tray 31 and the waterproof support frame two 32 for water to enter and accumulate, and the drainage port two 34 on it discharges the accumulated water in real time, ensuring that water will not damage the liquid cooler and ensuring the service life of the control components.

[0026] A waterproof platform two 9 protruding above its surface is provided on the bottom plate 5 of the control power bin. A drainage port three 8 is provided on the waterproof platform two 9. Drainage pipes are connected to the drainage port one 24, the drainage port two 34, and the drainage port three 8. Control power components are placed on the waterproof platform two 9, and the water entering the battery cabinet body can be discharged from the drainage port three 8, thus ensuring that it will not damage the control power components. The drainage pipes connected to each drainage port can discharge the water outside the battery cabinet body uniformly. It should be noted that the drainage pipes are all connected to the lower ends of the drainage ports.

[0027] In some embodiments, the water inlet ends of the drainage port one 24 and the drainage port two 34 are flush with the waterproof platform one 21 and the liquid cooler placement tray 31 respectively, and the water inlet end of the drainage port three 8 is at the same height as the water guide port 7 provided on the waterproof platform two 9.

[0028] The first waterproof support frame is symmetrically arranged on the battery cabinet body 1 along the insertion direction of the battery pack, and is detachably connected to the battery cabinet body 1. The first waterproof support frame is used to support and place a plurality of stacked battery packs, so that there is a space for water accumulation between the bottom of the battery pack and the partition plate 4, avoiding direct contact between the water and the battery pack when water leaks into the battery cabinet body 1, which may cause damage to the battery pack.

[0029] The bottom of the battery pack is connected to the first waterproof support frame through a liquid cooling plate, and a layer of buffer foam is laid on the surface of the liquid cooling plate. By setting the liquid cooling plate, while providing a supporting force for the battery pack, it can also dissipate heat from the battery pack during long-term use, avoiding the phenomenon of short circuit caused by overheating of the battery pack during long-term use. The buffer foam can play a buffering role when multiple battery packs are stacked on the liquid cooling plate, avoiding friction between the bottom of the battery pack and the liquid cooling plate.

[0030] The buffer member is connected to the battery cabinet body through bolts, and the positioning member is arranged in an inverted L shape on the supporting part to position the liquid cooling plate. After the liquid cooling plate is placed on the first waterproof support frame, it is pushed towards the inside of the battery cabinet body until it abuts against the positioning member. At the same time, one plane of the L shape of the positioning member parallel to the plate surface of the liquid cooling plate is buckled on the upper surface of the liquid cooling plate, realizing precise positioning of the placement position of the liquid cooling plate.

[0031] The first waterproof support frame includes a fixing part 231 bolted to the battery cabinet body 1 and a supporting part 232. A buffer member 233 connected to the battery cabinet body 1 is arranged at one end of the supporting part 232 close to the battery pack inlet, and a positioning member 234 is arranged at the other end of the supporting part 232 far from the battery pack inlet. A liquid cooling plate is laid on the first waterproof support frame 23. When the battery packs are sequentially placed on the liquid cooling plate, due to the heavy stacking of the battery packs, the liquid cooling plate will tend to move downward under the pressure of the battery packs, and the buffer member 233 can well offset the above pressure, thus ensuring that the middle part of the liquid cooling plate will not bend. The setting of the positioning member 234 can position the installation of the liquid cooling plate.

[0032] In some embodiments, the positioning member 234 is arranged in an inverted L shape.

[0033] Level sensors 6 are arranged on both the partition plate 4 and the bottom plate 5. When the water level accumulated on the partition plate 4 and the base reaches the value monitored by the level sensor 6, the level sensor 6 senses and transmits a signal to the control power supply, and the control power supply cuts off the power supply of the devices in the entire battery cabinet body 1, thereby ensuring the personal safety of the staff and avoiding short circuits between the devices due to water ingress.

[0034] On one side of the partition plate 4 and the bottom plate 5 close to the battery cabinet door, a first water baffle 25 and a second water baffle 51 are respectively arranged. The two ends of the first water baffle 25 and the second water baffle are respectively connected to the corresponding two sides on the battery cabinet body 1. By arranging the first water baffle 25 and the second water baffle, the placement bin 2 for battery packs and the bottom of the control power placement groove are effectively sealed to prevent external water from entering the battery cabinet.

[0035] The second waterproof support frame 32 is arranged along the width direction of the battery cabinet body 1, and a plurality of water passing grooves 321 are arranged along the length direction on one side of the second waterproof support frame 32 close to the central axis of the battery cabinet body 1. By arranging the water passing grooves 321, the drainage speed of the water entering the second waterproof support frame 32 is not affected, ensuring that the accumulated water will not affect the liquid cooler.

[0036] Waterproof plates 33 are arranged around the liquid cooler placement tray 31, and two relatively arranged waterproof plates 33 are connected to the battery cabinet body 1 by bolts. By arranging the waterproof plates 33, the amount of water entering the liquid cooler placement tray 31 is reduced.

[0037] On both sides of the second waterproof platform relatively close to the battery cabinet body, a drainage rack is vertically arranged respectively. A water guiding port is arranged on one side of the drainage rack close to the second waterproof platform. The accumulated water exceeding the height of the second waterproof platform can flow to the third drainage port through the water guiding port and is discharged from the battery cabinet body through the drain pipe connected to the third drainage port.

[0038] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it. It cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An internal drainage structure of a battery cabinet, characterized in that: It is disposed in the battery cabinet body; the battery cabinet body is divided into a battery pack placement bin and a control power placement bin from top to bottom by a partition board. The battery pack placement bin includes a waterproof platform 1 located on the partition board and protruding above its upper surface, and a waterproof support frame 1 located above the waterproof platform 1. One end of the waterproof platform 1 away from the battery pack insertion direction is provided with a drain opening 1. In the control power placement bin, a liquid chiller placement tray is arranged parallel to the partition board. The liquid chiller placement tray is provided with a waterproof support frame 2 and a drain opening 2. On the bottom plate at the bottom of the control power bin, a waterproof platform 2 protrudes from its surface. The waterproof platform 2 is provided with a drain opening 3. Drain pipes are connected to the drain opening 1, the drain opening 2, and the drain opening 3 respectively.

2. The internal drainage structure of a battery cabinet according to claim 1, characterized in that: The waterproof support frame 1 is symmetrically arranged on the battery cabinet body along the battery pack insertion direction and is detachably connected to the battery cabinet body.

3. The internal drainage structure of a battery cabinet according to claim 2, wherein: The waterproof support frame 1 includes a fixing part bolted to the battery cabinet body and a support part. One end of the support part close to the battery pack inlet is provided with a buffer member connected to the battery cabinet body, and one end of the support part away from the battery pack inlet is provided with a positioning member.

4. The internal drainage structure of a battery cabinet according to claim 3, characterized in that: The bottom of the battery pack is connected to the waterproof support frame 1 through a liquid cooling plate, and a layer of buffer foam is laid on the surface of the liquid cooling plate.

5. The internal drainage structure of a battery cabinet according to claim 4, characterized in that: The buffer member is connected to the battery cabinet body by bolts, and the positioning member is arranged in an inverted L shape on the support part to position the liquid cooling plate.

6. The internal drainage structure of a battery cabinet according to claim 1, characterized in that: Liquid level sensors are arranged on both the partition board and the bottom plate.

7. The internal drainage structure of a battery cabinet according to claim 1, wherein: On one side of the partition board and the bottom plate close to the battery cabinet door, a water baffle 1 and a water baffle 2 are respectively arranged. The two ends of the water baffle 1 and the water baffle 2 are respectively connected to the corresponding two sides on the battery cabinet body.

8. The internal drainage structure of a battery cabinet according to claim 1, characterized in that: The waterproof support frame 2 is arranged along the width direction of the battery cabinet body, and a plurality of water passing grooves are formed along the length direction on one side of the waterproof support frame 2 close to the central axis of the battery cabinet body.

9. The internal drainage structure of a battery cabinet according to claim 1, characterized in that: Waterproof plates are arranged around the liquid chiller placement tray, and two relatively arranged waterproof plates are bolted to the battery cabinet body.

10. The internal drainage structure of a battery cabinet according to claim 1, wherein: On both sides of the waterproof platform 2 relatively close to the battery cabinet body, a drainage rack is vertically arranged respectively. A water guiding opening is formed on one side of the drainage rack close to the waterproof platform 2.

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