CN224082593U

CN224082593U - Industrial and commercial energy storage device

Info

Publication number: CN224082593U
Application number: CN202520785688.2U
Authority: CN
Inventors: 饶伟; 陆天阳; 李新年
Original assignee: Wuxi Lifeng Electric Co ltd
Current assignee: Wuxi Lifeng Electric Co ltd
Priority date: 2025-04-23
Filing date: 2025-04-23
Publication date: 2026-04-03
Anticipated expiration: 2035-04-23

Abstract

The application discloses an industrial and commercial energy storage device. The industrial and commercial energy storage device comprises a cabinet body, battery clusters and electric parts, wherein a partition plate is arranged in the cabinet body, a battery bin and an electric bin are respectively formed on the upper side and the lower side of the partition plate, a bracket is arranged in the battery bin, air holes are formed in two opposite side walls of the electric bin, an exhaust fan is arranged corresponding to one side of the air holes, an installation frame formed by longitudinally and transversely crossed installation partition plates or installation beams is arranged in the middle of the electric bin, a plurality of accommodating chambers are formed in the installation frame, the penetrating directions of two ends of the accommodating chambers are consistent with the connecting line direction of the two side walls provided with the air holes, the battery clusters comprise a plurality of battery packs arranged on the bracket at vertical intervals, each battery pack comprises an installation plate and a battery monomer arranged on the installation seat, liquid cooling pipelines are arranged in the installation plate, liquid inlets and liquid outlets are formed corresponding to the liquid cooling pipelines, and the electric parts are arranged in the accommodating chambers. According to the technical scheme, heat dissipation of the device can be effectively achieved through the structural layout.

Description

Industrial and commercial energy storage device

Technical Field

The application relates to the technical field of power systems, in particular to an industrial and commercial energy storage device.

Background

With the deepening of global energy structure transformation and power market innovation, the industrial and commercial power cost is continuously increased, and the peak-valley electricity price difference of the power grid is gradually increased (the peak-valley price difference of partial areas breaks through 1 yuan/kWh). Under the background, the high-efficiency energy storage device stores electric energy in the electricity consumption valley period and releases electric energy in the peak period so as to earn electricity price difference, and the high-efficiency energy storage device becomes a key technical path for reducing electricity consumption cost and improving energy utilization efficiency for industrial and commercial users.

In the traditional energy storage device, a centralized layout is adopted, all components are compactly stacked, a heat dissipation channel is blocked, air circulation is not smooth, and in the further layout, the relative positions of heat dissipation equipment and heating components are not optimized, so that a heat transfer path is overlong, and heat dissipation efficiency is insufficient. Therefore, the energy storage device can generate a large amount of heat in the operation process, and if the heat dissipation is not timely or the effect is not good, the battery performance attenuation is accelerated, the service life of the system is shortened, and even potential safety hazards are caused.

Disclosure of utility model

The application provides an industrial and commercial energy storage device, which aims to solve the problem of poor heat dissipation effect of the traditional industrial and commercial energy storage device.

In order to achieve the above objective, the present application provides an industrial and commercial energy storage device. The industrial and commercial energy storage device comprises:

The cabinet body is internally provided with a baffle plate, a battery compartment and an electric compartment are respectively formed on the upper side and the lower side of the baffle plate, a bracket is arranged in the battery compartment, two opposite side walls of the electric compartment are provided with ventilation holes, an exhaust fan is arranged corresponding to one side of the ventilation holes, the middle part of the electric compartment is provided with a mounting frame formed by vertically and horizontally crossed mounting isolation plates or mounting beams, a plurality of accommodating chambers are formed on the mounting frame, and the penetrating directions of the two ends of the accommodating chambers are consistent with the connecting line directions of the two side walls provided with the ventilation holes;

The battery clusters comprise a plurality of battery packs which are vertically arranged on the bracket at intervals, each battery pack comprises a mounting seat and a battery monomer which is arranged on the mounting seat, a liquid cooling pipeline is arranged in the mounting seat, and a liquid inlet and a liquid outlet are arranged corresponding to the liquid cooling pipeline;

The electric part comprises a liquid cooling machine, a PCS box, a high-voltage box and an alternating-current distribution box which are arranged in the accommodating chamber, wherein the liquid cooling machine is connected with the liquid inlet and the liquid outlet through pipelines and is used for realizing liquid cooling heat dissipation of the battery pack, and the PCS box, the high-voltage box, the alternating-current distribution box and the battery cluster are electrically connected.

In some embodiments, the mounting frame is separated from the bottom to the top by the mounting isolation plate or the mounting beam which is arranged transversely, and a first accommodating chamber, a second accommodating chamber and a third accommodating chamber are formed, wherein the first accommodating chamber is used for accommodating and mounting the liquid cooling machine, the second accommodating chamber is used for accommodating and mounting the PCS box and the alternating current distribution box, and the third accommodating chamber is used for accommodating and mounting the high-voltage box;

Wherein, the exhaust fan is arranged corresponding to the second accommodating chamber.

In some embodiments, a first door and a second door are hinged to opposite sides of the electrical bin, respectively, and the ventilation holes are formed in the first door and the second door.

In some embodiments, the mounting frame with all be provided with the wind window between first bin gate and the second bin gate, the wind window includes mounting panel, wind channel tripe and dustproof cotton, the wind channel tripe set up in the mounting panel orientation one side of bleeder vent, dustproof cotton set up in the mounting panel deviates from one side of wind channel tripe.

In some embodiments, the fire extinguishing system further comprises a fire extinguishing assembly, the fire extinguishing assembly comprises a fire extinguishing cabinet, a sensor and a fire extinguishing nozzle, the sensor and the fire extinguishing nozzle are connected with the fire extinguishing cabinet, the fire extinguishing cabinet is arranged on the mounting frame, the sensor and the fire extinguishing nozzle are arranged in the battery compartment, and the fire extinguishing assembly is used for supplying fire extinguishing agent to the fire extinguishing cabinet and spraying the fire extinguishing agent on the battery pack through the fire extinguishing nozzle when the sensor detects an abnormal condition.

In some embodiments, a third door is hinged to one side of the battery compartment, and the interfaces on the battery pack are all close to the third door, so that after the user opens the third door, the battery pack can be quickly wired or maintained.

In some embodiments, the liquid inlet and the liquid outlet on the mounting seat in each battery pack are close to the third bin gate and are positioned on the same straight line, and a water receiving disc is arranged on the partition plate corresponding to the liquid inlet and the liquid outlet above.

In some embodiments, the system further comprises a dehumidifier disposed within the battery compartment for controlling humidity within the battery compartment.

In some embodiments, the bottom of the cabinet body is provided with a cabinet chassis, both the side surface and the bottom of the cabinet chassis are provided with wiring channels, and the bottom of the cabinet body is provided with a wire inlet hole, so that a cable can enter the cabinet body from the side surface or the bottom of the wiring channels.

In some embodiments, four lifting lugs are arranged at four corners of the top of the cabinet body.

The application provides a technical scheme of an industrial and commercial energy storage device. The industrial and commercial energy storage device comprises a cabinet body battery cluster and electric parts, wherein a partition plate is arranged in the cabinet body, a battery bin and an electric bin are respectively formed on the upper side and the lower side of the partition plate, a bracket is arranged in the battery bin, air holes are formed in two opposite side walls of the electric bin, an exhaust fan is arranged corresponding to one side of the air holes, an installation frame formed by vertically and horizontally crossed installation partition plates or installation beams is arranged in the middle of the electric bin, a plurality of accommodating chambers are formed in the installation frame, the through directions of two ends of the accommodating chambers are consistent with the connecting line direction of the two side walls provided with the air holes, the battery cluster comprises a plurality of battery packs arranged on the bracket at vertical intervals, each battery pack comprises an installation plate and a battery monomer arranged on an installation seat, liquid cooling pipelines are arranged in the installation plate, liquid inlets and liquid outlets are formed in the corresponding liquid cooling pipelines, and the electric parts comprise a liquid cooling machine, a PCS box, a high-voltage box and an alternating-current box, wherein the liquid cooling machines are connected with the liquid inlets and the liquid outlets through the pipelines and are used for realizing liquid cooling heat dissipation of the battery packs. According to the technical scheme, the cabinet body is divided into the battery compartment and the electric compartment, wherein the battery compartment is internally provided with the battery pack, the battery pack directly dissipates heat through the liquid cooling pipeline arranged in the mounting plate, the two side walls of the electric compartment below are provided with the ventilation holes, forced convection is formed through the exhaust fan, the crisscrossed mounting isolation plates form independent accommodating chambers, the penetrating direction of the accommodating chambers is consistent with the connecting line of the ventilation holes, a linear ventilation path is formed, and air flow resistance is reduced, so that heat generated by electric parts such as the PCS box and the high-voltage box is effectively discharged.

Drawings

For a clearer description of embodiments of the application or of solutions in the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only some embodiments of the application, from which, without the inventive effort, other drawings can be obtained for a person skilled in the art, in which:

FIG. 1 is a schematic diagram illustrating an internal structure of an industrial and commercial energy storage device according to an embodiment of the present application;

FIG. 2 is a schematic view showing an internal structure of a cabinet according to an embodiment of the application;

FIG. 3 is a schematic view of a battery pack according to an embodiment of the present application;

FIG. 4 is a schematic diagram illustrating an internal structure of an industrial and commercial energy storage device according to an embodiment of the present application;

fig. 5 is a schematic view of an explosion structure of a wind window according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that, unless otherwise specified or defined, all directional indications (such as up, down, left, right, front, and rear are used only to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present unless otherwise indicated or defined. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, unless specified or limited otherwise, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

Referring to fig. 1-4, the present application provides an industrial and commercial energy storage device 100. The industrial and commercial energy storage device 100 includes a cabinet 10, a battery cluster, and electrical components.

The inside of the cabinet body 10 is provided with the partition plate 110, so that the battery compartment 11 and the electric compartment 12 are respectively formed on the upper side and the lower side of the partition plate 110, the physical isolation between the battery and the electric equipment is realized, and the safety and the maintenance convenience are improved. The battery compartment 11 is internally provided with a bracket 111, two opposite side walls of the electric compartment 12 are provided with ventilation holes, an exhaust fan 120 is arranged corresponding to the ventilation holes on one side of the battery compartment 12, the middle part of the electric compartment 12 is provided with a mounting frame 121 formed by vertically and horizontally crossed mounting isolation plates or mounting beams, a plurality of accommodating chambers 122 are formed on the mounting frame 121, the penetrating directions of the two ends of the accommodating chambers 122 are consistent with the connecting line directions of the two side walls provided with the ventilation holes, a battery cluster comprises a plurality of battery packs 21 arranged on the bracket 111 at vertical intervals, each battery pack 21 comprises a mounting seat 211 and a battery monomer 212 arranged on the mounting seat 211, a liquid cooling pipeline is arranged in the mounting seat 211, a liquid inlet 213 and a liquid outlet 214 are arranged corresponding to the liquid cooling pipeline, the electric component comprises a liquid cooling machine 31 arranged in the accommodating chambers 122, a PCS box 32 (energy storage converter, power Conversion System and a PCS), a high-voltage box 33 and an AC box 34, and the liquid cooling machine 31 is connected with the liquid inlet 213 and the liquid outlet 214 through pipelines and is used for realizing the heat dissipation of the battery packs 21, the PCS box 32, the high-voltage box 33 and the AC box 34 and the battery power distribution box are electrically connected.

In the technical scheme of the application, a battery cluster, a PCS box 32, a high-voltage box 33, an alternating-current distribution box 34 and the like are arranged in the cabinet body 10, so that the electric connection among the electric components is realized, and the user is helped to reduce the electricity cost through a mode of 'charging at valley time and discharging at peak time'. Specific electrical connection relationships and principles are well known to those skilled in the art and will not be described in detail.

The technical scheme of the application aims to realize good heat dissipation of the device. The battery pack 21 directly dissipates heat through a liquid cooling pipeline arranged in the mounting seat 211, and the liquid cooling pipeline is connected with the liquid inlet 213 and the liquid outlet 214 to form an independent circulation loop. Therefore, the liquid cooler 31 is connected with the liquid cooling pipeline of the battery pack 21 through a pipeline, so that the flow rate and the temperature of the cooling liquid can be accurately controlled, and the battery unit 212 can be ensured to work in an optimal temperature range. And the two side walls of the battery compartment 11 are provided with ventilation holes, forced convection is formed by the exhaust fan 120, and heat generated by electrical components such as the PCS box 32, the high-voltage box 33 and the like can be effectively exhausted. Further, the through direction of the accommodating chamber 122 for accommodating the electrical component is consistent with the connection line of the air holes, so that a linear ventilation path is formed, compared with the traditional air duct layout, the ventilation energy consumption can be reduced by more than 30%, the air flow resistance is reduced, and the heat dissipation efficiency is improved. Therefore, the battery compartment 11 or the electric compartment 12 can realize good heat dissipation effect through the structure or the space layout, and long-term stable operation of the device is ensured.

As shown in fig. 1 and 2, in some embodiments, the mounting frame 121 is formed with a first accommodating chamber for accommodating the installation liquid cooling machine 31, a second accommodating chamber for accommodating the installation of the PCS box 32 and the ac distribution box 34, and a third accommodating chamber for accommodating the installation of the high-voltage box 33 by a transversely arranged installation partition plate or an installation beam from bottom to top, wherein the exhaust fan 120 is provided corresponding to the second accommodating chamber.

In this embodiment, a specific structural design of the mounting rack 121 and arrangement of corresponding electrical components are provided, wherein the first accommodating chamber is dedicated for the liquid cooling machine 31, so that electromagnetic interference or heat generated during operation of the electrical components can be avoided from affecting the liquid cooling system, and precise control of the temperature and flow of the cooling liquid is ensured. The PCS box 32 (energy storage converter) and the ac distribution box 34 are centrally disposed in the second accommodating chamber, so that efficient conversion and distribution of direct current and alternating current can be conveniently realized, and meanwhile, the two boxes have cooperativity (such as rapid heat dissipation) in heat dissipation requirements. The third accommodation chamber is independently provided with the high-voltage box 33, so that high-voltage equipment can be effectively isolated, and the safety risk on other electric parts is reduced.

Further, the exhaust fan 120 is provided corresponding to the second accommodation chamber, and can exhaust heat generated in operation of the PCS box 32 and the ac distribution box 34 in a targeted manner. These two devices are typically high in power density and are the primary heat sources in the electrical warehouse 12, and the concentrated heat dissipation design can significantly improve the overall heat dissipation efficiency.

In some embodiments, the two opposite sides of the electric bin are respectively hinged with a first bin gate and a second bin gate (not labeled in the drawing), and the ventilation holes are formed in the first bin gate and the second bin gate. Therefore, maintenance personnel can directly open the first bin gate or the second bin gate from the front or the rear of the device, a fixing panel is not required to be detached by tools, a pipeline or a circuit can be rapidly overhauled through the front gate, and the rear gate is convenient to open and close to test a high-voltage output terminal. And the dual door design allows two technicians to operate simultaneously (e.g., one person overhauling the PCS box 32 and another person inspecting the ac distribution box 34) to reduce downtime.

In addition, the ventilation holes are directly formed in the bin gate (such as a shutter or a grid structure), and when the bin gate is opened, the ventilation area is automatically enlarged, so that the emergency heat dissipation capacity is enhanced.

Further, the mounting frame 121 and the first and second bin gates are provided with a wind window therebetween, as shown in fig. 5, the wind window includes a mounting plate 161, a wind channel shutter 162 and dustproof cotton 163, the wind channel shutter 162 is disposed on one side of the mounting plate 161 facing the ventilation holes, and the dustproof cotton 163 is disposed on one side of the mounting plate 161 facing away from the wind channel shutter 162. The air duct louver 162 is designed with an inclined angle (such as 45 ° -60 °), so that air flow can be guided to enter or exit the electrical warehouse 12 along a specific direction, and turbulence and pressure loss are reduced. The dustproof cotton 163 adopts a multi-layer composite structure (such as primary filter cotton and medium-effect filter cotton), and can intercept dust with different particle diameters in a grading manner. The primary effect layer is positioned on the inner side of the mounting plate 161, and is used for preferentially filtering large-particle dust, and the secondary effect layer is used for further intercepting tiny particles and prolonging the service life of the shutter. And, the uniform pore structure of the dustproof cotton 163 can ensure uniform distribution of air flow in passing, and noise or vibration caused by overhigh local wind speed is avoided.

Typically, the louvers are designed as removable modules that are secured between the mounting brackets 121 and the bin gate by snaps or bolts. During maintenance, the wind window can be taken out only by loosening the fixing piece, and the bin gate or the electric component is not required to be disassembled.

Referring to fig. 4, in some embodiments, the apparatus further comprises a fire assembly 35, the fire assembly 35 comprising a fire cabinet and a sensor and fire spray head connected to the fire cabinet, the fire cabinet being disposed on the mounting frame 121, the sensor and fire spray head being disposed within the battery compartment 11, the fire assembly 35 being configured to supply fire suppressant from the fire cabinet and spray the fire suppressant through the fire spray head onto the battery pack 21 upon detection of an abnormal condition by the sensor.

In this embodiment, the sensor types may include a temperature sensor, a smoke sensor, and a gas sensor. By way of example, the temperature sensor monitors the surface temperature of the battery pack 21, and the threshold may be set at 60 ℃ and 80 ℃. The smoke sensor detects smoke particles generated by thermal runaway of the battery, and the sensitivity is more than or equal to 0.001mg/m ³. Gas sensor for identifying CO and HAnd (3) triggering an alarm when the concentration of the characteristic gas such as VOC exceeds the standard. The fire extinguishing agent can be perfluoro-hexanone (Novec 1230) or heptafluoropropane (FM-200), and has no corrosiveness and no damage to batteries. The spray heads are provided for each battery pack 21 to ensure uniform coverage of the fire extinguishing agent.

The sensor is connected with the fire extinguishing cabinet in a wireless or wired mode, and is used for transmitting data in real time and responding quickly. The fire extinguishing cabinet is provided with a manual mode and an automatic mode, and can be started manually under emergency conditions, so that the safety guarantee is improved.

In some embodiments, a third bin gate 112 is hinged to one side of the battery bin 11, and the interfaces on the battery pack 21 are all close to the third bin gate 112, so that the problem that the traditional energy storage cabinet battery maintenance needs blind operation or full disassembly is solved through the design of the lateral centralized interfaces and the bin gates, and the battery bin is suitable for industrial and commercial scenes needing high-frequency maintenance.

Further, a liquid inlet 213 and a liquid outlet 214 on the mounting seat 211 of each battery pack are close to the third bin gate 112 and are positioned on the same straight line, and a water receiving tray 14 is arranged on the partition plate 110 corresponding to the liquid inlet 213 and the liquid outlet 214 above. Wherein, be close to first bin gate, be convenient for from outside direct connection pipeline, reduce occupation to interior space. The partition plate 110 is arranged below the liquid inlet 213 and the liquid outlet 214, so that leakage liquid is ensured to directly flow into the water receiving disc 14.

In some embodiments, the apparatus further comprises a dehumidifier 15, wherein the dehumidifier 15 is disposed in the battery compartment 11 and is used for controlling the humidity in the battery compartment 11 to be 40% -60% RH, so as to prevent corrosion of battery electrodes, degradation of insulation performance and short circuit risk. .

In some embodiments, the bottom of the cabinet 10 is provided with a cabinet chassis 13, both sides and bottom of the cabinet chassis 13 are provided with routing channels (not labeled in the drawings), and the bottom of the cabinet 10 is provided with wire inlet holes, so that cables can enter the cabinet 10 from the routing channels on the sides or bottom.

In this embodiment, the cabinet chassis 13 is used as a bearing platform of the whole energy storage device, and needs to have high strength and stability to support the battery compartment 11, the electrical compartment 12 and the accessory equipment. Wherein, the two sides of the chassis are provided with detachable cover plates, so that the cables (such as connecting an external power supply or a communication line) can be conveniently led in from the side. And the bottom of the chassis is reserved with a groove or a wire slot to support threading from the ground, so that the cable laying device is suitable for pre-buried cable scenes. Therefore, the wire inlet holes are distributed on the side surface and the bottom of the chassis, and an optimal path can be selected according to the on-site wiring requirement. Normally, the inlet wires Kong Peibei are made of rubber sealing rings or fireproof mud, so that dust, water vapor and small animals are prevented from invading.

In addition, four lifting lugs 16 are arranged at four corners of the top of the cabinet body 10, and the lifting lugs 16 serve as lifting points of the cabinet body 10 and support safe lifting of the energy storage device during factory assembly, transportation and field installation. Meanwhile, in the earthquake-prone region, the lifting lugs 16 can be matched with anti-seismic brackets or steel wire ropes, so that the connection stability of the cabinet body 10 and the ground is enhanced.

The above description of the preferred embodiments of the present application should not be taken as limiting the scope of the application, but rather should be understood to cover all modifications, variations and adaptations of the present application using its general principles and the following detailed description and the accompanying drawings, or the direct/indirect application of the present application to other relevant arts and technologies.

Claims

1. An industrial and commercial energy storage device, comprising:

2. The industrial and commercial energy storage device according to claim 1, wherein the mounting frame is formed with a first accommodating chamber, a second accommodating chamber and a third accommodating chamber by the transversely arranged mounting isolation plate or mounting beam from bottom to top, the first accommodating chamber is used for accommodating and mounting the liquid cooling machine, the second accommodating chamber is used for accommodating and mounting the PCS box and the ac distribution box, and the third accommodating chamber is used for accommodating and mounting the high-voltage box;

3. The energy storage device of claim 1, wherein the electrical compartment has a first compartment door and a second compartment door hinged to opposite sides thereof, respectively, and the vent is provided on the first compartment door and the second compartment door.

4. The energy storage device of claim 3, wherein the mounting frame, the first bin gate and the second bin gate are provided with air windows therebetween, the air windows comprise mounting plates, air duct louvers and dustproof cotton, the air duct louvers are arranged on one side of the mounting plates facing the air holes, and the dustproof cotton is arranged on one side of the mounting plates facing away from the air duct louvers.

5. The industrial and commercial energy storage device of claim 1, further comprising a fire assembly comprising a fire cabinet and a sensor and fire spray head connected to the fire cabinet, the fire cabinet being disposed on the mounting bracket, the sensor and fire spray head being disposed in the battery compartment, the fire assembly being configured to supply fire suppressant from the fire cabinet and spray on the battery pack through the fire spray head when an anomaly is detected by the sensor.

6. The energy storage device of claim 1, wherein a third door is hinged to one side of the battery compartment, and the interfaces on the battery pack are all disposed near the third door, so that a user can quickly wire or maintain the battery pack after opening the third door.

7. The energy storage device of claim 6, wherein the liquid inlet and the liquid outlet on the mounting seat in each battery pack are arranged on the same straight line near the third bin gate, and a water receiving disc is arranged on the partition plate corresponding to the liquid inlet and the liquid outlet above.

8. The industrial and commercial energy storage device of claim 6, further comprising a dehumidifier disposed within the battery compartment for controlling the humidity within the battery compartment.

9. The industrial and commercial energy storage device of claim 1, wherein a cabinet chassis is provided at the bottom of the cabinet body, wiring channels are provided on the side and bottom of the cabinet chassis, and a wire inlet hole is provided at the bottom of the cabinet body, so that a cable can enter the cabinet body from the wiring channels on the side or bottom.

10. The industrial and commercial energy storage device of claim 1, wherein four lifting lugs are provided at four corners of the top of the cabinet.