CN115642671A - Energy storage cabinet and energy storage system - Google Patents

Abstract

The invention relates to an energy storage cabinet and a system, which comprise a box body, battery equipment, an energy storage converter and cooling liquid equipment, wherein the battery equipment is communicated with the energy storage converter, and the battery equipment supplies power to external equipment through the energy storage converter; the battery equipment comprises a battery pack and a cooling liquid channel, the battery pack is arranged on the cooling liquid channel, the cooling liquid equipment is communicated with the cooling liquid channel through a pipeline, the cooling liquid equipment provides cooling liquid for the cooling liquid channel so as to dissipate heat of a battery of the battery pack, a first air inlet is formed in the box body, and a dustproof net is arranged inside the first air inlet. Compared with the prior art, the invention can adapt to more complex environments and has strong environment adaptability; need not to blow in cold wind in battery equipment, can improve the protection level of battery package, improve the security of battery package, improve the life of battery package.

Description

Energy storage cabinet and energy storage system

Technical Field

The invention relates to the technical field of energy storage equipment, in particular to an energy storage cabinet and an energy storage system.

Background

Among the prior art, place battery equipment in the energy storage container, convenient interim emergent use.

More information about the above solution can also be found in the following documents:

in patent publication No. CN217349191U, an energy storage container is disclosed, comprising: the refrigerator comprises a box body, a first accommodating space and a second accommodating space, wherein the first accommodating space and the second accommodating space are separated from each other; the energy storage battery is arranged in the first accommodating space; and the control device comprises a control piece and an operating piece which are positioned in the second accommodating space, the control piece is electrically connected with the energy storage battery, the operating piece is partially arranged on the outer surface of the box body in a penetrating manner, and the operating piece is electrically connected with the control piece so as to control the charging and discharging of the energy storage battery. The energy storage battery box further comprises a heat exchange device, the heat exchange device is arranged on the box body, part of the heat exchange device is located in the first accommodating space, and part of the heat exchange device extends out of the box body. The temperature in the first accommodating space is adjusted by arranging the heat exchange device. The heat exchange device is an industrial air conditioner which adjusts the temperature in the first accommodating space, so that the working efficiency of the energy storage battery is improved.

In patent publication No. CN114076027A, a container type power station is disclosed, which comprises: the box body is divided into an electrical equipment cabin and a generator set cabin, and two sides of the generator set cabin are respectively provided with a shutter; the diesel generating set is arranged in a generating set cabin, the generating set cabin is provided with an air exhaust assembly, the air exhaust assembly comprises a first air outlet, a water cooler and a cooling fan, the first air outlet is arranged at the top of the box body, and the water cooler is arranged in the air outlet direction of the cooling fan; and the electrical equipment assembly is arranged in the electrical equipment cabin, the electrical equipment cabin comprises an air conditioning unit, the electrical equipment assembly is communicated with the air conditioning unit through a second air inlet, and a second air outlet is communicated with the outside of the box body.

In the process of implementing the invention, the inventor finds that the following problems exist in the prior art:

in the prior art, an energy storage cabinet adopts an air-conditioning air-cooling mode to dissipate heat of a battery, and in a specific environment, for example, in an environment with large dust in a factory, because an air-conditioning external unit is arranged outside the energy storage cabinet, dust in the environment is easily blown into the energy storage cabinet, so that the energy storage cabinet is damaged; meanwhile, because the battery is cooled by adopting an air cooling mode in the prior art, the protection level of the battery pack needs to be reduced, and cold air is blown into the battery equipment to dissipate heat, so that the safety of the battery pack is poor, and the service life of the battery pack is shortened.

Disclosure of Invention

In view of above-mentioned problem, the application provides an energy storage cabinet and energy storage system, be arranged in solving prior art, because the outer machine setting of air conditioner is in the outside of energy storage cabinet, blow in the inside of energy storage cabinet with the dust in the environment easily, lead to the energy storage cabinet to damage, adopt air-cooled mode to dispel the heat to the battery, need reduce the protection level of battery package, blow in cold wind in battery equipment, just can dispel the heat, lead to the security of battery package poor, reduce the technical problem of the life of battery package.

To achieve the above object, in a first aspect, the inventor provides an energy storage cabinet, including:

a box body;

a battery device disposed within the case;

the energy storage converter is arranged in the box body, the battery equipment is communicated with the energy storage converter, and the battery equipment supplies power to external equipment through the energy storage converter; and

the cooling liquid equipment, the cooling liquid equipment sets up in the box, the battery equipment includes battery package and coolant liquid passageway, the battery package sets up on the coolant liquid passageway, the cooling liquid equipment pass through the pipeline with the coolant liquid passageway is linked together, the cooling liquid equipment does the coolant liquid passageway provides the coolant liquid, and is right the battery of battery package dispels the heat, be provided with first air intake on the box, the inside dust screen that is provided with of first air intake.

Compared with the prior art, the technical scheme has the advantages that the cooling liquid is provided for the battery equipment through the cooling liquid equipment, the cooling mode of the battery equipment is changed, the original air cooling mode is changed into the liquid cooling mode, the dust screen is arranged in the first air inlet, dust is prevented from entering the first air inlet, an air conditioner external unit is not arranged in the liquid cooling mode, the dust does not need to be blown into the energy storage cabinet by the air conditioner external unit, more complex environments (such as factories and outdoor environments with large dust) can be adapted, and the environmental adaptability is strong; in addition, the liquid cooling adopts contact heat dissipation, need not to blow into battery equipment with cold wind in, can improve the protection level of battery package, improves the security of battery package, improves the life of battery package.

As an embodiment of the present invention, the box body includes a first side plate, a second side plate, a third side plate, and a fourth side plate, the first side plate, the second side plate, the third side plate, and the fourth side plate are sequentially disposed around a center of the box body, a large surface of the battery device is disposed against the first side plate, an air outlet is disposed on the first side plate, an exhaust fan is disposed in the air outlet, and the air outlet is located above the battery device.

So, can be located battery equipment's top through the air exit, avoid the battery equipment setting, set up at battery equipment's homonymy, make things convenient for the flow of air, improve the mobility of air, accelerate the flow of air through the air discharge fan, for the mode of air conditioner, save the electric energy.

As an embodiment of the present invention, a large surface of the energy storage converter abuts against the second side plate, the energy storage cabinet further includes a control device, the control device is electrically connected to the battery equipment, the energy storage converter and the coolant equipment, the control device is disposed on the second side plate, the control device is located between the battery equipment and the energy storage converter, and the control device is provided with a power interface.

Therefore, parameters of the battery equipment, the energy storage converter and the cooling liquid equipment can be controlled and displayed through the control device, and the power interface can be connected with external equipment to supply power for the external equipment.

As an embodiment of the present invention, a small surface of the energy storage converter is disposed against the third side plate, a small surface of the cooling liquid device is disposed against the third side plate, a large surface of the cooling liquid device is disposed against the fourth side plate, the first air inlet is disposed on the third side plate, and the first air inlet is disposed between the energy storage converter and the cooling liquid device.

So, through first air intake setting on the third curb plate, energy storage converter and coolant liquid equipment setting are avoided to first air intake, and the air exit sets up on first curb plate, and the air gets into from the third curb plate, and from first curb plate discharge, the whole box of circulation of air improves the mobility of air, compares among the prior art, and air conditioner and other spaces need the mode of separating alone, and the mobility of air obviously increases.

As an embodiment of the present invention, the first air inlet is located at a bottom of the third side plate.

So, be located the bottom of third curb plate through first air intake, and the air exit is located the top of first curb plate, and the air is all normally flowed from the bottom of box to the top from the rightmost of box to the leftmost, improves the radiating efficiency, improves the mobility of air.

As an embodiment of the present invention, a large surface of the coolant device is disposed against the fourth side plate, at least one second air inlet is disposed on the fourth side plate, and the second air inlet is disposed opposite to the coolant device, and the energy storage cabinet further includes a cover body for covering the coolant device, so as to separate a space of the coolant device from a space of other devices.

Therefore, the space of the cooling liquid equipment is separated from the space of other equipment by the cover body, and the temperature of the cooling liquid equipment and the temperature of other equipment are not influenced mutually.

As an embodiment of the present invention, two second air inlets are disposed on the fourth side plate, and the two second air inlets are disposed along a vertical direction, and the two second air inlets may serve as an air flow inlet and an air flow outlet at the same time.

Therefore, the two second air inlets can be used as an air inlet and an air outlet at the same time, and the cover body does not influence the air flow of other equipment in the box body.

As an embodiment of the present invention, the cooling liquid device is communicated with one end of the cooling liquid channel through a liquid inlet pipeline, the cooling liquid device is communicated with the other end of the cooling liquid channel through a liquid outlet pipeline, a through hole for allowing the liquid inlet pipeline and the liquid outlet pipeline to pass through is arranged on the cover body, and the through hole is hermetically arranged between the liquid inlet pipeline and the liquid outlet pipeline.

So, through inlet channel, liquid outlet pipe way, coolant liquid equipment provides the recirculated cooling liquid for the coolant liquid passageway, and inlet channel, the through-hole that liquid outlet pipe way passes through are sealed on the cover body, guarantee that the space of coolant liquid equipment separates mutually noninterference with the space of other equipment.

As an embodiment of the present invention, the battery equipment includes a rack, more than two layers of battery packs and a battery management module, the more than two layers of battery packs are sequentially arranged on the rack along a vertical direction, the battery management module is arranged on the rack, the bottoms of the battery packs are respectively provided with a cooling liquid channel for allowing a cooling liquid to pass through, and all the battery packs are electrically connected with the battery management module;

the energy storage cabinet further comprises a controller, the battery management module is used for detecting the real-time temperatures of all the battery packs, the battery management module is electrically connected with the controller and sends all the real-time temperature signals of the battery packs to the controller, and the controller controls the cooling liquid equipment according to the temperature signals sent by the battery management module.

So, monitor the battery of battery package through battery management module, need not to be provided with the sensor alone, rethread controller controls coolant liquid equipment, controls the opening or closing of the velocity of flow and the coolant liquid equipment of coolant liquid.

To achieve the above object, in a second aspect, the inventors provide an energy storage system comprising: an energy storage cabinet as in any one of the above inventor's provisions.

Compared with the prior art, the energy storage system of the technical scheme of the application changes original air cooling into liquid cooling, the dust screen is arranged in the first air inlet to prevent dust from entering, an air conditioner external unit is not arranged in the liquid cooling mode, the dust is not blown into the energy storage cabinet by the air conditioner external unit, the energy storage system can adapt to more complex environments (such as factories and outdoor environments with large dust), and the environment adaptability is high; in addition, the liquid cooling adopts contact heat dissipation, need not to blow into battery equipment with cold wind in, can improve the protection level of battery package, improves the security of battery package, improves the life of battery package.

The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, the present invention may be further implemented according to the content described in the text and drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description is made in conjunction with the detailed description of the present application and the drawings.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.

In the drawings of the specification:

fig. 1 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the present application;

FIG. 2 is a schematic view of the hidden top cover of FIG. 1;

FIG. 3 is a schematic view of the hidden cable installation slot in FIG. 2;

FIG. 4 is a schematic view of the internal structure of FIG. 1;

fig. 5 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the present application at a second angle;

FIG. 6 is a schematic view of the internal structure of FIG. 5;

fig. 7 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the present application at a second angle;

FIG. 8 is a schematic view of the internal structure of FIG. 7;

fig. 9 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the present application at a second angle;

FIG. 10 is a schematic view of the internal structure of FIG. 9;

FIG. 11 is a schematic structural diagram of a battery device according to an embodiment of the present application;

fig. 12 is a circuit block diagram of an energy storage cabinet according to an embodiment of the present application.

The reference numerals referred to in the above figures are explained below:

1. the box body is provided with a plurality of air inlets,

11. a first side plate, 12, a second side plate, 13, a third side plate, 14, a fourth side plate, 15, a cover body, 16, a control device, 17 and a power interface,

111. an air outlet 112, an exhaust fan 131, a first air inlet 141, a second air inlet,

3. in the context of a battery device, the battery device,

31. a coolant channel 34, a frame 35, a battery pack 36, a battery management module,

4. a cooling liquid device is arranged on the cooling liquid device,

5. an energy storage converter is arranged on the upper portion of the shell,

6. a controller for controlling the operation of the electronic device,

7. a cable is arranged in the groove, and the cable is arranged in the groove,

8. and (4) expanding the interface.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless otherwise defined, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended to describe specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. Furthermore, the description of embodiments herein of the present application of the term "plurality" means more than two (including two), and the analogous meaning of "plurality" is also to be understood, e.g., "plurality", etc., unless explicitly specified otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application should be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be mechanical connection, electrical connection, and communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

In the prior art, an energy storage cabinet adopts an air-conditioning air-cooling mode to dissipate heat of a battery, and in a specific environment, for example, in an environment with large dust in a factory, because an air-conditioning external unit is arranged outside the energy storage cabinet, dust in the environment is easily blown into the energy storage cabinet, so that the energy storage cabinet is damaged; meanwhile, because the battery is cooled by an air cooling method in the prior art, the protection level of the battery pack 35 needs to be reduced, and cold air is blown into the battery equipment 3 to dissipate heat, so that the safety of the battery pack 35 is poor, and the service life of the battery pack 35 is shortened.

The applicant researches and discovers that an air conditioner external unit can be omitted, an air cooling mode is changed into a liquid cooling mode, a cooling liquid device 4 is arranged, a cooling liquid channel 31 is arranged in a battery device 3, and the temperature of the battery device 3 is taken away by the flowing of cooling liquid to dissipate heat. Meanwhile, the dust screen is arranged at the air inlet to prevent dust from entering. Therefore, an air conditioner external unit is omitted, the problem that the air conditioner external unit blows dust into the energy storage cabinet is avoided, the air conditioner external unit can adapt to more complex environments (such as factories and outdoor environments with large dust) and is high in environmental adaptability; in addition, the liquid cooling adopts contact heat dissipation, need not to blow into battery equipment 3 with cold wind, can improve the protection level of battery package 35, improves the security of battery package 35, improves the life of battery package 35.

The energy storage cabinet and the energy storage system related to the embodiment can be applied to the technical field of various energy storage devices.

According to some embodiments of the present application, please refer to fig. 1 to 12, the embodiment relates to an energy storage cabinet, which includes a box 1, a battery device 3, an energy storage converter 5 and a coolant device 4, wherein the battery device 3 is disposed in the box 1; the energy storage converter 5 is arranged in the box body 1, the battery equipment 3 is communicated with the energy storage converter 5, and the battery equipment 3 supplies power to external equipment through the energy storage converter 5; coolant equipment 4 sets up in box 1, and battery equipment 3 includes battery package 35 and coolant passage 31, and battery package 35 sets up on coolant passage 31, and coolant equipment 4 is linked together through pipeline and coolant passage 31, and coolant equipment 4 provides the coolant liquid for coolant passage 31 to dispel the heat to the battery of battery package 35, is provided with first air intake 131 on the box 1, the inside dust screen that is provided with of first air intake 131.

In this embodiment, what box 1 adopted is container formula box 1, and the four corners of box 1 all is provided with the hole for hoist of convenient hoist and mount.

In this embodiment, the battery device 3 is a cabinet, and the battery pack 35 is stacked on the rack 34.

In this embodiment, the cooling liquid device 4 is a cooling liquid supply device that supplies power to the flow of the cooling liquid. The coolant device 4 is provided with a water pump inside itself to provide power for the coolant.

In this embodiment, the energy storage converter 5, a bidirectional energy storage inverter, namely a Power Conversion System (PCS), is applied to ac-coupled energy storage systems such as grid-connected energy storage and microgrid energy storage, connects a storage battery set and a Power grid (or load), and is a device for realizing bidirectional Conversion of electric energy. The direct current of the storage battery can be inverted into alternating current to be transmitted to a power grid or an alternating current load for use; the alternating current of the power grid can be rectified into direct current to charge the storage battery.

In this embodiment, the connection cables among the power interface 17, the battery device 3, the energy storage converter 5 and the cooling liquid device 4 are routed from the top of the box body 1 and are disposed in the cable installation groove 7. The pipeline of liquid all walks from the bottom of box 1 between battery equipment 3 and coolant liquid equipment 4 and walks, realizes insulating-water separation. So, can all concentrate on the top cap of box 1 through the walking of cable mounting groove 7 with the line of walking of all cables, the walk pipe of the oil tank of inlet fluid pipeline, liquid outlet pipe all concentrates on the bottom of box 1, separates electricity and water, improves container formula energy storage cabinet's security.

In this embodiment, the cable installation groove 7 is an F-shaped structure, which facilitates the routing of cables.

In this embodiment, the box body 1 is further provided with an expansion interface 8, and the maximum power of the corresponding diesel generator set is generally selected according to the upper line of the power required by the load in the design process of the existing diesel generator set. However, in the actual use process, the on-line of the power required by the load is adjusted upwards according to the situation requirement, so that the power of the original diesel generator set is insufficient.

Energy storage cabinet in this embodiment can carry out the dilatation (the last line of extension diesel generating set's power) to current diesel generating set, and when needs were right, diesel generating set passed through extension interface 8 on the box 1 and was connected with battery equipment 3 electricity to this extension interface 8 can dock outside diesel generating set's control interface, also can be controlled by controlling means 16 by outside diesel generating set, makes things convenient for energy storage cabinet's use. The device can be temporarily expanded for use and can be transported away when not needed, thereby being convenient and saving the cost.

In this embodiment, the cooling liquid device 4 provides the cooling liquid for the battery device 3, the cooling mode of the battery device 3 is changed, the original air cooling mode is changed into the liquid cooling mode, the dust screen is arranged in the first air inlet 131, so that dust is prevented from entering the first air inlet, and the liquid cooling mode is adopted without an air conditioner external unit, so that the dust is not blown into the energy storage cabinet by the air conditioner external unit, and the energy storage cabinet can adapt to more complex environments (such as factories and outdoor environments with large dust), and has strong environmental adaptability; in addition, liquid cooling adopts the heat dissipation of contact, need not to blow into battery equipment 3 with cold wind in, can improve battery package 35's protection level, improves battery package 35's security, improves battery package 35's life.

According to some embodiments of the present application, optionally, the box 1 includes a first side plate 11, a second side plate 12, a third side plate 13, and a fourth side plate 14, the first side plate 11, the second side plate 12, the third side plate 13, and the fourth side plate 14 are sequentially disposed around the center of the box 1, the large face of the battery device 3 is disposed by abutting against the first side plate 11, an air outlet 111 is disposed on the first side plate 11, an air exhaust fan 112 is disposed in the air outlet 111, and the air outlet 111 is located above the battery device 3.

The large face of the battery device 3 refers to the face of the hexahedron where the surface area is relatively large, as shown in particular in fig. 3 and 4.

So, can be located battery equipment 3's top through air exit 111, avoid battery equipment 3 to set up, set up at battery equipment 3's homonymy, make things convenient for the flow of air, improve the mobility of air, accelerate the flow of air through exhaust fan 112, for the mode of air conditioner, save the electric energy.

According to some embodiments of the present application, optionally, the large surface of the energy storage converter 5 is disposed against the second side plate 12, the energy storage cabinet further includes a control device 16, the control device 16 is electrically connected to the battery device 3, the energy storage converter 5, and the coolant device 4, the control device 16 is disposed on the second side plate 12, the control device 16 is located between the battery device 3 and the energy storage converter 5, and the control device 16 is provided with a power interface 17.

The large surface of the energy storage converter 5 refers to the surface with relatively large surface area in the hexahedron, as shown in fig. 5 and 6.

In this embodiment, the power interface 17 may be used as an output port of electric energy, and may also be used as an input port of electric energy, so as to discharge and charge the battery device 3, which is convenient for use.

In this way, the control device 16 can control and display parameters of the battery device 3, the energy storage converter 5 and the coolant device 4, and the power interface 17 can be connected with an external device to supply power to the external device.

According to some embodiments of the present application, optionally, the small face of the energy storage converter 5 is disposed against the third side plate 13, the small face of the coolant device 4 is disposed against the third side plate 13, the large face of the coolant device 4 is disposed against the fourth side plate 14, the first air inlet 131 is disposed on the third side plate 13, and the first air inlet 131 is disposed between the energy storage converter 5 and the coolant device 4.

The facets of the energy storage converter 5 refer to the surface of the hexahedron with the relatively small surface area, and the facets of the coolant device 4 refer to the surface of the hexahedron with the relatively small surface area, as shown in particular in fig. 5 and 6.

The large face of the cooling fluid device 4 refers to the face of the hexahedron with a relatively large surface area, as shown in fig. 7 and 8.

So, set up on third curb plate 13 through first air intake 131, first air intake 131 avoids energy storage converter 5 and coolant liquid equipment 4 to set up, and air exit 111 sets up on first curb plate 11, and the air gets into from third curb plate 13, discharges from first curb plate 11, and whole box 1 of circulation of air improves the mobility of air, compares among the prior art, and air conditioner and other spaces need the mode of separating alone, and the mobility of air obviously increases.

According to some embodiments of the present application, optionally, the first wind inlet 131 is located at the bottom of the third side panel 13.

Like this, be located the bottom of third curb plate 13 through first air intake 131, and air exit 111 is located the top of first curb plate 11, and the air is all normally flowed from the rightmost of box 1 to the leftmost, from the bottom of box 1 to the top, improves the radiating efficiency, improves the mobility of air.

According to some embodiments of the present application, optionally, the large surface of the coolant device 4 is disposed against the fourth side plate 14, the fourth side plate 14 is provided with at least one second air inlet 141, the second air inlet 141 is disposed opposite to the coolant device 4, and the energy storage cabinet further includes a cover 15, and the cover 15 is used for covering the coolant device 4, so as to separate the space of the coolant device 4 from the space of other devices.

In this way, the space of the coolant facility 4 is separated from the space of other facilities by the cover 15, and the temperature of the coolant facility 4 and the temperature of other facilities do not affect each other.

According to some embodiments of the present application, optionally, two second air inlets 141 are disposed on the fourth side plate 14, the two second air inlets 141 are disposed along a vertical direction, and the two second air inlets 141 may serve as an air flow inlet and an air flow outlet at the same time.

Thus, the two second air inlets 141 can be used as an air inlet and an air outlet at the same time, and the cover 15 does not affect the air flow of other devices in the box 1.

According to some embodiments of the present application, optionally, the cooling liquid device 4 is communicated with one end of the cooling liquid channel 31 through a liquid inlet pipeline, the cooling liquid device 4 is communicated with the other end of the cooling liquid channel 31 through a liquid outlet pipeline, a through hole for accommodating the liquid inlet pipeline and the liquid outlet pipeline is arranged on the cover body 15, and the through hole is hermetically arranged between the through hole and the liquid inlet pipeline and between the through hole and the liquid outlet pipeline.

So, through inlet channel, liquid outlet pipe, coolant liquid equipment 4 provides the recirculated cooling liquid for coolant liquid passageway 31, and inlet channel, the through-hole that liquid outlet pipe passes through on the cover body 15 are sealed, guarantee that the space of coolant liquid equipment 4 separates mutually noninterference with the space of other equipment.

According to some embodiments of the present application, optionally, the battery device 3 includes a rack 34, more than two layers of battery packs 35 and a battery management module 36, the more than two layers of battery packs 35 are sequentially disposed on the rack 34 along a vertical direction, the battery management module 36 is disposed on the rack 34, the bottoms of the battery packs 35 are respectively provided with a cooling liquid channel 31 for allowing a cooling liquid to pass through, and all the battery packs 35 are electrically connected to the battery management module 36; the energy storage cabinet further comprises a controller 6, the battery management module 36 is used for detecting real-time temperatures of all the battery packs 35, the battery management module 36 is electrically connected with the controller 6 and sends real-time temperature signals of all the battery packs 35 to the controller 6, and the controller 6 controls the cooling liquid equipment 4 according to the temperature signals sent by the battery management module 36.

In this embodiment, the coolant liquid can get into through a feed liquor pipeline, and the dispersion is a plurality of feed liquor pipelines, enters into coolant liquid channel 31, flows through behind the bottom of all battery packages 35, concentrates on a drain pipe and goes out, conveniently dispels the heat to all battery packages 35.

In this embodiment, the batteries in the battery pack 35 are placed on the coolant passage 31, and after the placement, the housing of the battery pack 35 is locked by bolts.

The battery management module 36 is used for intelligently managing and maintaining each battery unit, preventing the battery from being overcharged and overdischarged, prolonging the service life of the battery, and monitoring the state of the battery.

In this embodiment, the battery management module 36 may be connected to the management module and control the cooling liquid device 4, and the battery management module 36 collects the state of the battery to control the cooling liquid device 4 to be turned on or off without heat dissipation of the battery; or the passing speed of the cooling liquid is increased, and the heat dissipation efficiency is improved; the passing speed of the cooling liquid is also reduced, the heat dissipation efficiency is reduced, and the battery management module 36 can provide a control signal to the cooling liquid device 4, so that the cooling liquid device 4 can be conveniently used.

That is, the coolant device 4 may be controlled by the battery management module 36 without providing a separate controller 6.

In this way, the battery management module 36 monitors the battery of the battery pack 35, and controls the coolant device 4 through the controller 6 without separately providing a sensor, thereby controlling the flow rate of the coolant and the on/off of the coolant device 4.

The embodiment relates to an energy storage system, which comprises any one of the energy storage cabinets.

The energy storage system comprises the above-mentioned hardware part and also comprises a software part, and the output power of the battery device 3, the control logic of the cooling liquid device 4 and the like can be set through parameter setting of the software. All software parameter settings can be set by the control device 16 located above the power interface 17.

Compared with the prior art, the energy storage system of the technical scheme of the application changes original air cooling into liquid cooling, the dust screen is arranged in the first air inlet 131 to prevent dust from entering, an air conditioner external unit is not arranged in the liquid cooling mode, the dust is not blown into the energy storage cabinet by the air conditioner external unit, the energy storage system can adapt to more complex environments (such as factories and outdoor environments with large dust), and the environment adaptability is high; in addition, the liquid cooling adopts contact heat dissipation, need not to blow into battery equipment 3 with cold wind, can improve the protection level of battery package 35, improves the security of battery package 35, improves the life of battery package 35.

In this embodiment, the sensor converts a specific measured signal into a certain usable signal according to a certain rule through the sensing element and the conversion element and outputs the usable signal so as to meet the requirements of information transmission, processing, recording, displaying, controlling and the like, and the sensor can sense physical quantities such as force, temperature, light, sound, chemical components and the like, and can convert the physical quantities into electrical quantities such as voltage, current and the like according to a certain rule or convert the electrical quantities into on-off of a circuit. The sensor generally consists of a sensitive element and a conversion element, and is the first link for realizing automatic detection and white motion control. The sensor is used for converting non-electrical quantity into electrical quantity or switching on and off of a circuit, so that measurement, transmission, processing and control can be conveniently carried out.

In this embodiment, the controller is used for receiving the signal transmitted by the sensor and controlling the actuator or the execution unit according to the signal transmitted by the sensor, and the controller refers to a master command device which controls the starting, speed regulation, braking and reversing of the motor by changing the wiring of the master circuit or the control circuit and changing the resistance value in the circuit according to a preset sequence. The system consists of a program counter, an instruction register, an instruction decoder, a time sequence generator and an operation controller, and is a decision mechanism for issuing commands, namely, the decision mechanism is used for coordinating and commanding the operation of the whole computer system.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims (10)

1. An energy storage cabinet, comprising:

a box body;

a battery device disposed within the case;

the energy storage converter is arranged in the box body, the battery equipment is communicated with the energy storage converter, and the battery equipment supplies power to external equipment through the energy storage converter; and

the cooling liquid equipment, the cooling liquid equipment sets up in the box, the battery equipment includes battery package and coolant liquid passageway, the battery package sets up on the coolant liquid passageway, the cooling liquid equipment pass through the pipeline with the coolant liquid passageway is linked together, the cooling liquid equipment does the coolant liquid passageway provides the coolant liquid, and is right the battery of battery package dispels the heat, be provided with first air intake on the box, the inside dust screen that is provided with of first air intake.

2. The energy storage cabinet of claim 1, wherein the box body comprises a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially arranged around the center of the box body, the large surface of the battery equipment is arranged against the first side plate, an air outlet is arranged on the first side plate, an exhaust fan is arranged in the air outlet, and the air outlet is located above the battery equipment.

3. The energy storage cabinet according to claim 2, wherein a large surface of the energy storage converter is disposed against the second side plate, the energy storage cabinet further comprises a control device, the control device is electrically connected with the battery device, the energy storage converter and the cooling liquid device, the control device is disposed on the second side plate, the control device is located between the battery device and the energy storage converter, and the control device is provided with a power interface.

4. The energy storage cabinet of claim 3, wherein the small face of the energy storage converter is disposed against the third side panel, the small face of the coolant equipment is disposed against the third side panel, the large face of the coolant equipment is disposed against the fourth side panel, the first air inlet is disposed on the third side panel, and the first air inlet is disposed between the energy storage converter and the coolant equipment.

5. The energy storage cabinet of claim 4, wherein the first air inlet is located at a bottom of the third side panel.

6. The energy storage cabinet of claim 3, wherein the large face of the coolant equipment is disposed against the fourth side panel, the fourth side panel is provided with at least one second air inlet, and the second air inlet is disposed opposite to the coolant equipment, and the energy storage cabinet further comprises a cover body for covering the coolant equipment so as to separate the space of the coolant equipment from the space of other equipment.

7. The energy storage cabinet of claim 6, wherein two second air inlets are formed in the fourth side plate, the two second air inlets are vertically arranged, and the two second air inlets can serve as an air inlet and an air outlet at the same time.

8. The energy storage cabinet of claim 6, wherein the cooling liquid device is communicated with one end of the cooling liquid channel through a liquid inlet pipeline, the cooling liquid device is communicated with the other end of the cooling liquid channel through a liquid outlet pipeline, a through hole for allowing the liquid inlet pipeline and the liquid outlet pipeline to pass through is formed in the cover body, and the through hole is hermetically arranged between the through hole and the liquid inlet pipeline and between the through hole and the liquid outlet pipeline.

9. The energy storage cabinet according to any one of claims 1 to 8, wherein the battery equipment comprises a rack, more than two layers of battery packs and battery management modules, the more than two layers of battery packs are sequentially arranged on the rack along a vertical direction, the battery management modules are arranged on the rack, the bottoms of the battery packs are respectively provided with a cooling liquid channel for allowing cooling liquid to pass through, and all the battery packs are electrically connected with the battery management modules;

the energy storage cabinet further comprises a controller, the battery management module is used for detecting the real-time temperatures of all the battery packs, the battery management module is electrically connected with the controller and sends all the real-time temperature signals of the battery packs to the controller, and the controller controls the cooling liquid equipment according to the temperature signals sent by the battery management module.

10. An energy storage system, comprising: an energy storage cabinet according to any one of claims 1 to 9.

Images