A multi-air-duct grouping heat dissipation type liquid cooling energy storage cabinet

Abstract

The application discloses a multi-air-duct grouping heat dissipation type liquid-cooled energy storage cabinet, which comprises a cabinet body, a battery pack, a liquid-cooled circulating machine, a high-voltage control cabinet and a circuit board, the inside of the cabinet body is a double-compartment structure separated horizontally, one end of a circulating machine air inlet of the liquid-cooled circulating machine is communicated with a liquid-cooled air inlet on the right side of a circuit compartment, one end of an air inlet of the high-voltage control cabinet is communicated with a high-voltage air inlet on the left side of the circuit compartment, a blowing and air-sucking integrated machine is arranged in the left side of the battery compartment in an embedded mode, a battery air inlet and a battery air outlet are sequentially arranged on the left side surface of the battery compartment, and the originally vertically stacked internal components of the liquid-cooled energy storage cabinet are distributed in separate air ducts in a split mode, so that the high-efficiency heat dissipation effect of each component is realized, the air passing between the battery pack and the liquid-cooled plate is further realized, the heat dissipation effect of the liquid-cooled plate is accelerated, and the high-efficiency circulating flow channel heat dissipation of the battery compartment is realized.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of energy storage cabinets, and particularly relates to a multi-air duct grouping heat dissipation type liquid cooling energy storage cabinet. BACKGROUND

[0002] An energy storage cabinet is an electrical cabinet for storing electrical energy. The energy storage cabinet is internally provided with a plurality of battery modules for storing electrical energy generated by solar energy, wind energy, etc. or directly storing electrical energy. The energy storage cabinet supplies the stored electrical energy to electrical equipment as a power source. During power supply, the battery modules generate a large amount of heat energy. If the heat energy cannot be effectively dissipated, the internal temperature of the energy storage cabinet will rise sharply, affecting the normal use of the energy storage cabinet, and even causing a fire. Therefore, heat dissipation in the energy storage cabinet is very important.

[0003] The existing energy storage cabinet mainly uses a heat dissipation fan to introduce external fresh air into the energy storage cabinet to dissipate heat through air flow. This heat dissipation method only relies on natural air convection, and the heat dissipation effect is poor. Some energy storage cabinets use a circulating liquid cooling plate to dissipate heat from the battery modules, which are the main heat sources in the energy storage cabinet. Although this method can improve the heat dissipation effect of the energy storage cabinet.

[0004] However, due to the dense distribution of various components in the energy storage cabinet, various control cabinets, circuit boards, liquid cooling boxes and other accessories are also provided inside the energy storage cabinet. These accessories also generate a large amount of heat during high-voltage output. If only air cooling is used for heat dissipation, the complex air ducts inside the energy storage cabinet will cause the air cooling effect to drop sharply. The cold air cannot be evenly blown to each component, resulting in poor uniformity of heat dissipation in the entire energy storage cabinet. SUMMARY

[0005] In order to solve the above problems, the present application provides a multi-air duct grouping heat dissipation type liquid cooling energy storage cabinet, the cabinet body inside the liquid cooling energy storage cabinet is equipped with battery pack, liquid cooling circulating machine, high voltage control cabinet and circuit board, the inside of the cabinet body is double bin structure of horizontal separation type, the front inside of the cabinet body is battery bin, the back inside of the cabinet body is circuit bin, the middle part outside surface of the circuit bin is vertically provided with liquid cooling air outlet and high voltage air outlet in turn, the inside of the liquid cooling air outlet is provided with L-shaped bending type circulating machine air outlet flow channel, the inside of the high voltage air outlet is provided with L-shaped bending type high voltage air outlet flow channel, the inner end of the circulating machine air outlet flow channel is horizontally communicated with the air outlet of the liquid cooling circulating machine, the inner end of the high voltage air outlet flow channel is horizontally communicated with the air outlet of the high voltage control cabinet, one end of the circulating machine air inlet of the liquid cooling circulating machine is communicated with the liquid cooling air inlet on the right side of the circuit bin, one end of the air inlet of the high voltage control cabinet is communicated with the high voltage air inlet on the left side of the circuit bin, the inside of the battery bin is horizontally stacked and provided with a plurality of battery packs, the left side of the battery bin is inlaidly provided with air blowing and air sucking integrated machine, the left surface of the battery bin is sequentially provided with battery air inlet and battery air outlet in turn, the air blowing port on the upper end of the air blowing and air sucking integrated machine is communicated with the battery air inlet, the air sucking port on the lower end of the air blowing and air sucking integrated machine is communicated with the battery air outlet, the inside surface of the air blowing and air sucking integrated machine is horizontally and horizontally separated and provided with separation guide plate between the air blowing port and the air inlet, one end of the separation guide plate is connected with the air blowing and air sucking integrated machine, the other end of the separation guide plate is connected with the end of the battery pack, the bottom of the battery pack is provided with liquid cooling plate, the originally vertically stacked and integrated accessories inside the liquid cooling energy storage cabinet are distributed by separate distribution to obtain independent air duct of each accessory, so as to realize efficient heat dissipation effect of each accessory, and the air passing between the battery pack and the liquid cooling plate is also accelerated to accelerate the heat dissipation effect of the liquid cooling plate, and the efficient circulating flow channel heat dissipation of the battery bin is realized.

[0006] The shape of the cabinet body is rectangular combined cabinet, the inside of the cabinet body is horizontally provided with separation plate, the front side of the separation plate is battery bin, the back side of the separation plate is circuit bin, the left surface of the cabinet body of the battery bin is provided with battery air inlet and battery air outlet, the left surface of the cabinet body of the circuit bin is provided with high voltage air inlet, the right surface of the cabinet body of the circuit bin is provided with liquid cooling air inlet, the back surface of the cabinet body of the circuit bin is provided with liquid cooling air outlet and high voltage air outlet, the battery air inlet, the battery air outlet, the high voltage air inlet, the high voltage air outlet, the liquid cooling air inlet and the liquid cooling air outlet are all grating type dustproof air inlets, the originally vertically arranged energy storage cabinet cabinet body is horizontally separated and arranged, so as to realize independent placement of the liquid cooling circulating machine and the high voltage control cabinet, which not only can ensure that the battery pack has independent air duct, but also can conveniently set the independent air duct of the liquid cooling circulating machine and the high voltage control cabinet, and increase the heat dissipation efficiency.

[0007] The battery pack is an integrated combined battery pack, the front end of the battery pack is provided with a battery optimizer, the outer side of the rear end of the battery pack is provided with a liquid cooling pipe, the liquid cooling plate at the bottom of the battery pack is connected with a liquid cooling circulating machine through the liquid cooling pipe, a transverse flow guide gap is arranged between the liquid cooling plate at the bottom of the battery pack and another group of liquid cooling plates below, the left end of the flow guide gap is respectively communicated with the upper side and the lower side of a separation guide plate, the right end of the flow guide gap is longitudinally communicated with each other, the separation guide plate is arranged to pass through the flow guide gap to form a circulating flow guide air duct of the battery compartment inside profile C type, the blowing and suction integrated machine is arranged on one side of the battery pack, and the separation guide plate is further arranged, so that the upper side is blown and the lower side is sucked, thereby forming a C type air duct between the stacked battery packs, and high-efficiency and rapid heat dissipation blowing can be formed between the battery pack and the liquid cooling plate, so that sufficient heat dissipation effect is ensured.

[0008] The circuit compartment is divided into a liquid cooling circulating cavity and a high-voltage control cavity by a circulating machine air outlet flow channel and a high-voltage air outlet flow channel left and right, a liquid cooling circulating machine is arranged above the liquid cooling circulating cavity in a transverse manner, a wiring board is arranged below the liquid cooling circulating machine, and a high-voltage control cabinet is arranged below the high-voltage control cavity in a transverse manner, the liquid cooling circulating cavity and the high-voltage control cavity are independently arranged left and right in the middle of the circuit compartment through the circulating machine air outlet flow channel and the high-voltage air outlet flow channel, so that the liquid cooling circulating machine and the high-voltage control cabinet can obtain independent heat dissipation air ducts, the heat dissipation efficiency of each can be effectively increased, and flow disturbance and convection can be prevented.

[0009] The circulating machine air outlet flow channel and the high-voltage air outlet flow channel are both right-angle L-shaped turning air guide flow channels, the longitudinal vertical outlets of the circulating machine air outlet flow channel are communicated with the liquid cooling air outlets and the high-voltage air outlets on the rear side surface of the cabinet body, arc-shaped guide plates are arranged on the inner sides of the circulating machine air outlet flow channel and the high-voltage air outlet flow channel, the right side of the interior of the circulating machine air outlet flow channel is communicated with the air outlet box of the liquid cooling circulating machine, and the left side of the interior of the high-voltage air outlet flow channel is communicated with the air outlet of the high-voltage control cabinet, the originally straight-through air ducts are converted into L-shaped air ducts with rear side air outlets through the L-shaped flow channels, the space inside the energy storage cabinet can be maximized, the flow guide of the air duct is realized, and the heat dissipation air can also be prevented from being interfered by other instruments inside the energy storage cabinet.

[0010] Advantages:

[0011] The originally vertically stacked and integrated accessories inside the liquid cooling energy storage cabinet are independently arranged through a split type separation distribution, so that each accessory has an independent air duct, the heat dissipation effect of each accessory is realized, the air passing between the battery pack and the liquid cooling plate is accelerated, the heat dissipation effect of the liquid cooling plate is realized, and the high-efficiency circulating flow channel heat dissipation of the battery compartment is realized.

[0012] By separating the originally vertically arranged energy storage cabinet body horizontally, the liquid cooling circulation machine and the high-voltage control cabinet can be placed independently, which can not only ensure that the battery pack has an independent air duct, but also facilitate the setting of independent air ducts for the liquid cooling circulation machine and the high-voltage control cabinet, thereby increasing the heat dissipation efficiency.

[0013] By setting a blowing and sucking integrated machine on one side of the battery pack and also setting a separation guide plate, the upper side blowing and the lower side sucking are realized, thereby forming a C-shaped air duct between the stacked battery packs, which can form efficient and rapid heat dissipation blowing between the battery pack and the liquid cooling plate, thereby ensuring sufficient heat dissipation effect.

[0014] By setting the liquid cooling circulation cavity and the high-voltage control cavity in the middle of the circuit compartment in a left and right independent separation manner, the liquid cooling circulation machine and the high-voltage control cabinet can obtain independent heat dissipation air ducts, which can effectively increase the heat dissipation efficiency of each and prevent the occurrence of air duct disorder and convection.

[0015] Both the originally straight-through air ducts are converted into L-shaped air ducts with rear air outlet by the L-shaped flow channel, which can maximize the use of the space inside the energy storage cabinet, realize air duct guiding, and also prevent the heat dissipation air from being interfered by other equipment inside the energy storage cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view of a liquid cooling energy storage cabinet with multiple air ducts and grouping heat dissipation;

[0017] Figure 2 is a back view of a liquid cooling energy storage cabinet with multiple air ducts and grouping heat dissipation;

[0018] Figure 3 is an internal view of a battery compartment of a liquid cooling energy storage cabinet with multiple air ducts and grouping heat dissipation;

[0019] Figure 4 is an internal view of a control compartment of a liquid cooling energy storage cabinet with multiple air ducts and grouping heat dissipation;

[0020] In the figure; 1, battery compartment, 11, blowing and sucking integrated machine, 12, separation guide plate, 13, battery optimizer, 14, battery pack, 15, liquid cooling plate, 16, liquid cooling pipe, 2, battery air inlet, 3, battery air outlet, 4, liquid cooling circulation cavity, 41, liquid cooling circulation machine, 42, circulation machine air inlet fan, 43, circulation machine air outlet flow channel, 5, liquid cooling air inlet, 6, liquid cooling air outlet, 7, high-voltage control cavity, 71, high-voltage control cabinet, 72, high-voltage air outlet flow channel, 8, high-voltage air inlet, 9, high-voltage air outlet. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present application, the present application will be further described below in conjunction with the embodiments and drawings, which are only used to explain the present application and do not constitute the limitation of the protection scope of the present application.

[0022] Battery compartment 1, air blowing and suction integrated machine 11, separation guide plate 12, battery optimizer 13, battery pack 14, liquid cooling plate 15, liquid cooling pipeline 16, battery air inlet 2, battery air outlet 3, liquid cooling circulation cavity 4, liquid cooling circulation machine 41, circulation machine air inlet fan 42, circulation machine air outlet flow channel 43, liquid cooling air inlet 5, liquid cooling air outlet 6, high pressure control cavity 7, high pressure control cabinet 71, high pressure air outlet flow channel 72, high pressure air inlet 8, high pressure air outlet 9.

[0023] As shown in Figure 1 , 2 , 3, 4;

[0024] The application discloses a multi-air-duct grouping heat dissipation type liquid-cooled energy storage cabinet, which is internally provided with a battery pack 14, a liquid-cooled circulating machine 41, a high-voltage control cabinet 71 and a circuit board; the internal part of the cabinet body is a double-compartment structure divided horizontally; the front part of the internal part of the cabinet body is a battery compartment 1, and the back part of the internal part of the cabinet body is a circuit compartment; the middle part of the external surface of the circuit compartment is vertically provided with a liquid-cooled air outlet 6 and a high-voltage air outlet 9 from top to bottom; the inner side of the liquid-cooled air outlet 6 is provided with an L-shaped bending type circulating machine air outlet flow channel 43; the inner side of the high-voltage air outlet 9 is provided with an L-shaped bending type high-voltage air outlet flow channel 72; the inner end of the circulating machine air outlet flow channel 43 is horizontally communicated with the air outlet of the liquid-cooled circulating machine 41; the inner end of the high-voltage air outlet flow channel 72 is horizontally communicated with the air outlet of the high-voltage control cabinet 71; one end of a circulating machine air inlet fan 42 of the liquid-cooled circulating machine 41 is communicated with a liquid-cooled air inlet 5 on the right side of the circuit compartment; one end of an air inlet of the high-voltage control cabinet 71 is communicated with a high-voltage air inlet 8 on the left side of the circuit compartment; the internal part of the battery compartment 1 is horizontally stacked and provided with a plurality of battery packs 14; the left side of the battery compartment 1 is internally embedded with a blowing and sucking integrated machine 11; the left side surface of the battery compartment 1 is sequentially provided with a battery air inlet 2 and a battery air outlet 3 from top to bottom; the blowing port on the upper end of the blowing and sucking integrated machine 11 is communicated with the battery air inlet 2; the sucking port on the lower end of the blowing and sucking integrated machine 11 is communicated with the battery air outlet 3; the inner side surface of the blowing and sucking integrated machine 11 is horizontally and horizontally divided and provided with a separation guide plate 12 between the blowing port and the air inlet; one end of the separation guide plate 12 is connected with the blowing and sucking integrated machine 11, and the other end of the separation guide plate 12 is connected with the end part of the battery pack 14; the bottom part of the battery pack 14 is provided with a liquid-cooled plate 15; the shape of the cabinet body is a rectangular combined cabinet; the internal back side of the cabinet body is horizontally provided with a separation plate; the front side of the separation plate is the battery compartment 1, and the back side of the separation plate is the circuit compartment; the left side external surface of the cabinet body of the battery compartment 1 is provided with the battery air inlet 2 and the battery air outlet 3; the left side surface of the cabinet body of the circuit compartment is provided with the high-voltage air inlet 8; the right side surface of the cabinet body of the circuit compartment is provided with the liquid-cooled air inlet 5; the back side surface of the cabinet body of the circuit compartment is provided with the liquid-cooled air outlet 6 and the high-voltage air outlet 9; the battery air inlet 2, the battery air outlet 3, the high-voltage air inlet 8, the high-voltage air outlet 9, the liquid-cooled air inlet 5 and the liquid-cooled air outlet 6 are all grating type dustproof air inlets; the battery pack 14 is an integrated combined battery pack 14; the front end of the battery pack 14 is provided with a battery optimizer 13; the outer side of the back end of the battery pack 14 is provided with a liquid-cooled pipeline 16; the liquid-cooled plate 15 on the bottom surface of the battery pack 14 is connected with the liquid-cooled circulating machine 41 through the liquid-cooled pipeline 16; the liquid-cooled plate 15 on the bottom surface of the battery pack 14 and another group of liquid-cooled plates 15 below are horizontally provided with a flow guide gap; the left end of the flow guide gap is respectively communicated with the upper side and the lower side of the separation guide plate 12; the right end of the flow guide gap is longitudinally communicated with each other.The separation guide plate 12 passes the blowing and suction of the blowing and suction integrated machine 11 through the guide gap to the circulating guide air duct of the C-shaped profile in the battery compartment 1 where the battery pack 14 is arranged, and the circuit compartment is separated into the liquid cooling circulating cavity 4 and the high-voltage control cavity 7 through the circulating machine air outlet flow channel 43 and the high-voltage air outlet flow channel 72. The liquid cooling circulating cavity 4 is provided with a liquid cooling circulating machine 41 in the upper transverse direction. The liquid cooling circulating machine 41 is provided with a wiring board below. The high-voltage control cavity 7 is provided with a high-voltage control cabinet 71 in the lower transverse direction. The circulating machine air outlet flow channel 43 and the high-voltage air outlet flow channel 72 are both L-shaped turning air guide flow channels. The vertical outlets of the circulating machine air outlet flow channel 43 are all communicated with the liquid cooling air outlet 6 and the high-voltage air outlet 9 of the rear surface of the cabinet body. The inner sides of the circulating machine air outlet flow channel 43 and the high-voltage air outlet flow channel 72 are both provided with arc-shaped guide plates. The inner right side of the circulating machine air outlet flow channel 43 is communicated with the air outlet box of the liquid cooling circulating machine 41. The inner left side of the high-voltage air outlet flow channel 72 is communicated with the air outlet of the high-voltage control cabinet 71.

[0025] Embodiment example

[0026] During use, the liquid cooling circulating machine 41 circulates the cooling liquid in the liquid cooling plate 15 to perform circulating liquid cooling, thereby continuously cooling the battery pack 14.

[0027] And also start the circulating machine air inlet fan 42, the air inlet fan of the high-voltage control cabinet 71 and the blowing and suction integrated machine 11 during use;

[0028] The liquid cooling circulating machine 41 sucks air from the circulating air inlet of the right side of the cabinet body through the circulating machine air inlet fan 42, and the cold air penetrates the liquid cooling circulating machine 41 to continuously cool the inside, and is guided out from the L-shaped circulating machine air outlet flow channel 43 and the liquid cooling air outlet 6, thereby realizing the turning air duct.

[0029] The high-voltage control cabinet 71 sucks air from the high-voltage air inlet 8 of the left side of the cabinet body through the fan, and the cold air penetrates the high-voltage control cabinet 71 to continuously cool the inside, and is guided out from the L-shaped high-voltage air outlet flow channel 72 and the high-voltage air outlet 9, thereby realizing the turning air duct.

[0030] The blowing and suction integrated machine 11 blows air into the battery compartment 1 of the cabinet body from the upper end, and sucks air from the inside of the battery compartment 1 from the lower end, and separates the inside of the blowing and suction integrated machine 11 through the separation guide plate 12, thereby realizing the effect of blowing from the upper end and sucking from the lower end. The blown air is blown out from the gap between the battery pack 14 and the liquid cooling plate 15, thereby accelerating the guide heat dissipation of the liquid cooling plate 15, and also enabling a part of the cold air of the liquid cooling plate 15 to be introduced downward to accelerate the heat dissipation of the lower battery pack 14 and the liquid cooling plate 15, and finally guided out from the battery air outlet 3, thereby realizing the C-shaped air duct for cooling.

[0031] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. 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. A multi-duct grouping heat dissipation type liquid-cooled energy storage cabinet, the cabinet body of the liquid-cooled energy storage cabinet is internally provided with a battery pack, a liquid-cooled circulating machine, a high-voltage control cabinet and a circuit board, characterized in that, The interior of the cabinet is a transverse partition type double-bin structure, the shape of the cabinet is a rectangular combined cabinet, the interior of the cabinet is provided with a partition plate on the rear side in a transverse manner, the front side of the partition plate is a battery bin, and the rear side of the partition plate is a circuit bin, a liquid cooling air outlet and a high-pressure air outlet are sequentially arranged on the outer surface of the middle part of the circuit bin in a vertical manner, an L-shaped bending type circulating machine air outlet flow channel is arranged on the inner side of the liquid cooling air outlet, an L-shaped bending type high-pressure air outlet flow channel is arranged on the inner side of the high-pressure air outlet, the inner end of the circulating machine air outlet flow channel is in communication with the air outlet of the liquid cooling circulating machine in a transverse manner, the inner end of the high-pressure air outlet flow channel is in communication with the air outlet of the high-pressure control cabinet in a transverse manner, one end of the circulating machine air inlet of the liquid cooling circulating machine is in communication with the liquid cooling air inlet on the right side of the circuit bin, and one end of the air inlet of the high-pressure control cabinet is in communication with the high-pressure air inlet on the left side of the circuit bin, a plurality of battery groups are arranged in the battery bin in a transverse stacking manner, a blowing and sucking integrated machine is arranged in the battery bin in an embedded manner on the left side, a battery air inlet and a battery air outlet are sequentially arranged on the left surface of the battery bin in a vertical manner, the blowing port of the upper end of the blowing and sucking integrated machine is in communication with the battery air inlet, the sucking port of the lower end of the blowing and sucking integrated machine is in communication with the battery air outlet, and a partition guide plate is arranged between the blowing port and the air inlet on the inner surface of the blowing and sucking integrated machine in a transverse horizontal partition manner, one end of the partition guide plate is connected with the blowing and sucking integrated machine, and the other end of the partition guide plate is connected with the end of the battery group, the bottom of the battery group is provided with a liquid cooling plate, and the battery air inlet, the battery air outlet, the high-pressure air inlet, the high-pressure air outlet, the liquid cooling air inlet and the liquid cooling air outlet are all grating type dustproof air inlets.

2. The multi-duct grouping and radiating liquid-cooled energy storage cabinet according to claim 1, characterized in that, The battery group is an integrated combined battery group, the front end of the battery group is provided with a battery optimizer, the outer side of the rear end of the battery group is provided with a liquid cooling pipeline, the liquid cooling plate on the bottom surface of the battery group is connected with the liquid cooling circulating machine through the liquid cooling pipeline, and a transverse flow guide gap is arranged between the liquid cooling plate on the bottom surface of the battery group and another group of liquid cooling plates below, the left end of the flow guide gap is in communication with the upper side and the lower side of the partition guide plate respectively, and the right end of the flow guide gap is longitudinally in communication with each other, the partition guide plate changes the blowing and sucking of the blowing and sucking integrated machine into a C-shaped circulating flow guide air channel in the battery bin.

3. The multi-duct grouping and radiating liquid-cooled energy storage cabinet according to claim 1, characterized in that, The circuit bin is divided into a liquid cooling circulating cavity and a high-pressure control cavity through the circulating machine air outlet flow channel and the high-pressure air outlet flow channel, a liquid cooling circulating machine is arranged on the upper side of the liquid cooling circulating cavity in a transverse manner, a wiring plate is arranged below the liquid cooling circulating machine, and a high-pressure control cabinet is arranged on the lower side of the high-pressure control cavity in a transverse manner.

4. The multi-duct grouping and radiating liquid cooling energy storage cabinet according to claim 1, characterized in that, The circulating machine air outlet flow channel and the high-pressure air outlet flow channel are both right-angle L-shaped turning air guide flow channels, the longitudinal vertical outlets of the circulating machine air outlet flow channel are in communication with the liquid cooling air outlet and the high-pressure air outlet on the rear surface of the cabinet, arc-shaped guide plates are arranged on the inner sides of the circulating machine air outlet flow channel and the high-pressure air outlet flow channel, the inner right side of the circulating machine air outlet flow channel is in communication with the air outlet box of the liquid cooling circulating machine, and the inner left side of the high-pressure air outlet flow channel is in communication with the air outlet of the high-pressure control cabinet.

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