CN114824627A - Energy storage device - Google Patents

Energy storage device Download PDF

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Publication number
CN114824627A
CN114824627A CN202210460282.8A CN202210460282A CN114824627A CN 114824627 A CN114824627 A CN 114824627A CN 202210460282 A CN202210460282 A CN 202210460282A CN 114824627 A CN114824627 A CN 114824627A
Authority
CN
China
Prior art keywords
energy storage
storage device
battery pack
base
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210460282.8A
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Chinese (zh)
Inventor
袁少伟
雷政军
翟腾飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Australia Energy Storage Power Technology Xi'an Co ltd
Original Assignee
China Australia Energy Storage Power Technology Xi'an Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Australia Energy Storage Power Technology Xi'an Co ltd filed Critical China Australia Energy Storage Power Technology Xi'an Co ltd
Priority to CN202210460282.8A priority Critical patent/CN114824627A/en
Publication of CN114824627A publication Critical patent/CN114824627A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/256Carrying devices, e.g. belts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/267Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/269Mechanical means for varying the arrangement of batteries or cells for different uses, e.g. for changing the number of batteries or for switching between series and parallel wiring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing

Abstract

The invention discloses an energy storage device, which belongs to the field of batteries and comprises a battery pack, a battery management system, a bearing assembly and a base. The battery pack comprises a shell, an upper cover, a bearing component and an electric core component, wherein the shell, the upper cover and the bearing component are enclosed to form a battery pack shell, and the electric core component is arranged in the shell; the battery management system is electrically connected with the cell assembly; the bearing subassembly includes bearing portion, and battery pack case's bottom sets up on bearing portion along vertical direction, and the bearing subassembly sets up on the base along horizontal direction detachable, and when the battery pack installation or when dismantling in the base, energy memory capacity changes. According to actual needs, the capacity of the battery box and the energy storage device can be changed by adjusting the number or height of the battery packs; through setting up the bearing subassembly, make battery concatenation equipment convenient and fast, brought very big facility for transportation, installation and the maintenance of product.

Description

Energy storage device
Technical Field
The invention relates to the technical field of batteries, in particular to an energy storage device.
Background
The energy storage technology is a technology which brings revolutionary changes to the development and operation of a future energy system, among the energy storage technologies, the technology which is the fastest advances is the electrochemical energy storage technology.
The existing mainstream household energy storage battery pack usually stores less energy, cannot meet the requirement of a household with more power consumption, and the capacity of the household energy storage battery pack is difficult to adjust according to the actual requirement of a user, the volume and the weight of the household energy storage battery pack with more stored energy are very large and very heavy, the quick plugging and splicing assembly of the battery cannot be realized, a great deal of inconvenience is brought to transportation, installation, use and maintenance, and the experience feeling of the user is very poor.
CN212726513U discloses a novel household is with formula energy storage electric cabinet, which comprises a cabinet, the main control groove has been seted up on the inside top of rack, the main control inslot portion bolted mounting has the master controller, rack inside weld has the bracket, bracket surface mosaic has the slide fastener frame, the inside slide fastener of slide fastener frame installs the group battery, the battery is installed to the inside buckle of group battery, the welding of rack bottom has the base. The application has the advantages of less stored energy, difficult change of stored energy capacity and inconvenient transportation, installation, use and maintenance.
CN213520187U discloses domestic energy storage is with many cluster lithium ion battery group that have protection shield, the power distribution box comprises a box body, shock attenuation board and bottom plate, the both sides fixed mounting of bottom plate bottom has the wheel, the top fixed mounting of bottom plate has the shock attenuation board, and fixed mounting has the spring between shock attenuation board and the bottom plate, movable mounting has the loop bar between the moving part, the fixed surface of box installs smooth frame, and movable mounting has the baffle between the smooth frame, the box surface between the smooth frame is provided with the vent, and the inside fixed mounting of box body has radiator fan, the inside fixed mounting of box has lithium cell group, and the top fixed mounting of lithium cell group has the protection shield body. This application makes this device can select initiative heat dissipation or natural heat dissipation according to user of service personnel's needs at the in-process that uses through being provided with a series of structures, can realize all filling of each monomer lithium ion battery of group battery, is convenient for remove the device. However, the application has the advantages of less stored energy, unadjustable stored energy capacity, incapability of realizing the quick plugging and splicing assembly of the battery, no design of a movable assembly, and inconvenient transportation, installation, use and maintenance.
Disclosure of Invention
Therefore, it is necessary to provide a battery box and an energy storage device to solve the problems of the battery box and the energy storage device that the stored energy is small, the capacity is difficult to adjust, the quick splicing assembly of the battery cannot be realized, and the installation and transportation are inconvenient.
In order to solve the above technical problem, the present invention provides an energy storage device, including:
the battery pack comprises a shell, an upper cover, a supporting assembly and an electric core assembly, wherein the shell, the upper cover and the supporting assembly are enclosed to form a battery pack shell, and the electric core assembly is arranged in the shell;
the battery management system is electrically connected with the electric core assembly; and
the supporting component is detachably arranged on the base along the horizontal direction;
the supporting component comprises a supporting part, and the bottom end of the battery pack shell is arranged on the supporting part along the vertical direction;
when the battery pack is mounted or dismounted on the base, the capacity of the energy storage device is changed.
Preferably, the bottom end of the battery pack shell is integrally and fixedly arranged on the supporting part along the vertical direction.
Preferably, the bottom end of the battery pack shell is detachably arranged on the supporting part along the vertical direction.
Preferably, the support assembly further comprises a first electrical connection and the base further comprises a second electrical connection cooperating with the first electrical connection.
Preferably, the bottom of the supporting component is provided with a moving part.
Preferably, the base is further provided with a guide portion, and the supporting member is further provided with a guide groove matched with the guide portion, so that the supporting member can move in a preset way.
Preferably, the base further comprises a fixing portion/a limiting portion, and the supporting component is further provided with a limiting portion/a fixing portion matched with the fixing portion/the limiting portion to limit the movement of the supporting component.
Preferably, the battery management system comprises an upper computer and a lower computer, the lower computer is connected with the battery pack through a sampling line, the upper computer is connected with the lower computer through a signal line, and the positive electrode and the negative electrode of the battery pack are electrically connected with the upper computer.
Preferably, the energy storage device further comprises a converter, and the converter is connected with the battery management system.
Preferably, the battery pack further comprises an explosion venting part, and the base comprises an adsorption cavity communicated with the explosion venting part so as to adsorb gas generated when the battery pack is out of thermal runaway.
Preferably, the energy storage device is further provided with a heat dissipation device.
Preferably, the energy storage device is further provided with a moving device and a hand-pushing device.
The invention has the beneficial effects that:
according to actual needs, the capacity of the battery box and the energy storage device can be changed by adjusting the number or height of the battery packs; through setting up the bearing subassembly, make battery concatenation equipment convenient and fast, brought very big facility for transportation, installation and the maintenance of product.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an energy storage device;
figure 2 is a schematic view of the base and support assembly of one embodiment;
fig. 3 is a schematic structural view of a battery pack in one embodiment;
FIG. 4 is a second schematic diagram of an embodiment of an energy storage device;
FIG. 5 is an exploded view of the energy storage device in one embodiment;
fig. 6 is a partial structural diagram of an energy storage device according to an embodiment.
Reference numerals:
1-a battery pack, 11-a shell, 12-a battery core assembly, 13-an explosion venting part, 14-an upper cover, 2-a battery management system, 21-a lower computer, 22-an upper computer, 3-a supporting assembly, 31-a supporting part, 32-a first electric connecting part, 33-a moving part, 34-a guide groove, 35-a limiting part, 4-a base, 41-a fixing part, 42-an adsorption cavity, 43-a guide part, 44-a second electric connecting part, 5-a current transformer, 6-a heat dissipation device, 7-a moving device and 8-a hand-pushing device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment shows an energy storage device, which comprises a battery pack 1, a battery management system 2 and a base 4, wherein the battery pack comprises a shell 11, an upper cover 14, a supporting component 3 and a cell component 12, the shell 11, the upper cover 14 and the supporting component 3 are enclosed to form a battery pack shell, the cell component 12 is arranged in the shell, the battery management system 2 is electrically connected with the cell component 12, the supporting component 3 comprises a supporting part 31, the bottom end of the battery pack shell 11 is arranged on the supporting part 31 along the vertical direction, and the supporting component 3 is detachably arranged on the base 4 along the horizontal direction; when the battery pack 1 is mounted on or dismounted from the base 4, the capacity of the energy storage device changes.
It should be noted that, according to actual needs, the capacities of the battery box and the energy storage device can be changed by adjusting the number or height of the battery packs; through setting up the bearing subassembly, make battery concatenation equipment convenient and fast, brought very big facility for transportation, installation and the maintenance of product.
Example 2
The embodiment shows an energy storage device, which comprises a battery pack 1, a battery management system 2 and a base 4, wherein the battery pack comprises a shell 11, an upper cover 14, a supporting component 3 and a cell component 12, the shell 11, the upper cover 14 and the supporting component 3 are enclosed to form a battery pack shell, the cell component 12 is arranged in the shell, the battery management system 2 is electrically connected with the cell component 12, the supporting component 3 comprises a supporting part 31, the bottom end of the battery pack shell 11 is integrally fixed on the supporting part 31 along the vertical direction, and the supporting component 3 is detachably arranged on the base 4 along the horizontal direction; when the battery pack 1 is mounted on or removed from the base 4, the capacity of the energy storage device changes.
The supporting component 3 further comprises a moving part 33 and a first electrical connection part 32, the base 4 further comprises a second electrical connection part 44, the moving part 33 can enable the battery pack 1 installed on the supporting component 3 to move quickly and be installed and detached conveniently, and when the supporting component 3 is installed on the base 4, the first electrical connection part 32 and the second electrical connection part 44 are matched and clamped, so that the battery pack 1 is electrically connected with the components in the base 4. In this embodiment, the moving member 33 is a roller.
Example 3
The embodiment shows an energy storage device, which comprises a battery pack 1, a battery management system 2 and a base 4, wherein the battery pack comprises a shell 11, an upper cover 14, a supporting component 3 and a cell component 12, the shell 11, the upper cover 14 and the supporting component 3 are enclosed to form a battery pack shell, the cell component 12 is arranged in the shell, the battery management system 2 is electrically connected with the cell component 12, the supporting component 3 comprises a supporting part 31, the bottom end of the battery pack shell 11 is detachably arranged on the supporting part 31 through a buckle along the vertical direction, and the supporting component 3 is detachably arranged on the base 4 along the horizontal direction; when the battery pack 1 is mounted on or dismounted from the base 4, the capacity of the energy storage device changes.
The supporting component 3 further comprises a moving part 33 and a first electrical connection part 32, the base 4 further comprises a second electrical connection part 44, the moving part 33 can enable the battery pack 1 installed on the supporting component 3 to move quickly and be installed and detached conveniently, and when the supporting component 3 is installed on the base 4, the first electrical connection part 32 and the second electrical connection part 44 are matched and clamped, so that the battery pack 1 is electrically connected with the components in the base 4. In this embodiment, the moving member 33 is a roller.
The base 4 is further provided with a guide portion 43, and the supporting member 3 is further provided with a guide groove 34 matched with the guide portion 43, so that the supporting member 3 can move along a preset path, and convenient installation or disassembly can be realized. The base 4 further comprises a fixing portion 41, the supporting component 3 is further provided with a limiting portion 35 matched with the fixing portion 41, and after the supporting component 3 moves to a preset position and is installed on the base 4, the fixing portion 41 is connected with the limiting portion 35 in a clamped mode. In this embodiment, the fixing portion 41 is a plug, the limiting portion 35 is a limiting hole, and the plug can be engaged with the limiting hole to limit the movement of the supporting assembly 3.
Example 4
As shown in fig. 1 and fig. 2, the embodiment shows an energy storage device, which includes a battery pack 1, a battery management system 2 and a base 4, where the battery pack includes a housing 11, an upper cover 14, a supporting component 3 and a cell component 12, the housing 11, the upper cover 14 and the supporting component 3 are enclosed to form a battery pack casing, the cell component 12 is disposed in the casing, the battery management system 2 is electrically connected to the cell component 12, the supporting component 3 includes a supporting portion 31, the bottom end of the battery pack housing 11 is integrally fixed on the supporting portion 31 along a vertical direction, and the supporting component 3 is detachably disposed on the base 4 along a horizontal direction; when the battery pack 1 is mounted on or dismounted from the base 4, the capacity of the energy storage device changes.
The supporting component 3 further comprises a moving part 33 and a first electrical connection part 32, the base 4 further comprises a second electrical connection part 44, the moving part 33 can enable the battery pack 1 installed on the supporting component 3 to move quickly and be installed and detached conveniently, and when the supporting component 3 is installed on the base 4, the first electrical connection part 32 and the second electrical connection part 44 are matched and clamped, so that the battery pack 1 is electrically connected with the components in the base 4. In this embodiment, the moving member 33 is a roller.
The base 4 is further provided with a guide portion 43, and the supporting member 3 is further provided with a guide groove 34 matched with the guide portion 43, so that the supporting member 3 can move along a preset path, and convenient installation or disassembly can be realized. The base 4 further comprises a fixing portion 41, the supporting component 3 is further provided with a limiting portion 35 matched with the fixing portion 41, and after the supporting component 3 moves to a preset position and is installed on the base 4, the fixing portion 41 is connected with the limiting portion 35 in a clamped mode. In this embodiment, the fixing portion 41 is a plug, the limiting portion 35 is a limiting hole, and the plug can be engaged with the limiting hole to limit the movement of the supporting assembly 3.
The battery management system 2 comprises a lower computer 21 and an upper computer 22, wherein the lower computer 21 and the battery pack 1 are fixedly clamped in the shell 11, and the upper computer 22 is fixedly arranged in the supporting component 3. The battery pack 1 is connected with the lower computer 21 through a sampling line, the sampling line collects data such as temperature, voltage and current of the battery pack 1 and transmits the data to the upper computer 22 through a signal line, and the upper computer 22 is electrically connected with the positive electrode and the negative electrode of the battery pack 1 to process the collected information and ensure the normal operation of the energy storage device.
The energy storage device further comprises a converter 5, and the converter 5 is electrically connected with the upper computer 22 of the battery management system 2 through a line. It should be noted that the converter can control the charging and discharging processes of the battery pack, perform ac/dc conversion, and directly supply power to the ac load without a power grid. The battery management system determines the state of the whole energy storage device by detecting the state of each battery pack, and performs corresponding control adjustment and strategy implementation on the whole energy storage device according to the state of each battery pack, so that the charging and discharging management of the energy storage device and each battery pack is realized, and the safe and stable operation of the energy storage device is ensured.
Example 5
The embodiment shows an energy storage device, which comprises a battery pack 1, a battery management system 2 and a base 4, wherein the battery pack comprises a shell 11, an upper cover 14, a supporting component 3 and a cell component 12, the shell 11, the upper cover 14 and the supporting component 3 are enclosed to form a battery pack shell, the cell component 12 is arranged in the shell, the battery management system 2 is electrically connected with the cell component 12, the supporting component 3 comprises a supporting part 31, the bottom end of the battery pack shell 11 is detachably arranged on the supporting part 31 through a buckle along the vertical direction, and the supporting component 3 is detachably arranged on the base 4 along the horizontal direction; when the battery pack 1 is mounted on or removed from the base 4, the capacity of the energy storage device changes.
The supporting component 3 further comprises a moving part 33 and a first electrical connection part 32, the base 4 further comprises a second electrical connection part 44, the moving part 33 can enable the battery pack 1 installed on the supporting component 3 to move quickly and be installed and detached conveniently, and when the supporting component 3 is installed on the base 4, the first electrical connection part 32 and the second electrical connection part 44 are matched and clamped, so that the battery pack 1 is electrically connected with the components in the base 4. In this embodiment, the moving member 33 is a roller.
The base 4 is further provided with a guide portion 43, and the supporting member 3 is further provided with a guide groove 34 matched with the guide portion 43, so that the supporting member 3 can move along a preset path, and convenient installation or disassembly can be realized. The base 4 further comprises a limiting portion 35, the supporting component 3 is further provided with a fixing portion 41 matched with the limiting portion 35, and after the supporting component 3 moves to a preset position and is installed on the base 4, the fixing portion 41 is connected with the limiting portion 35 in a clamping mode.
The battery management system 2 comprises a lower computer 21 and an upper computer 22, the lower computer 21 and the upper computer 22 are fixedly installed in the supporting component 3, and the upper computer 22 is fixedly installed in the supporting component 3. The battery pack 1 is connected with the lower computer 21 through a sampling line, the sampling line collects data such as temperature, voltage and current of the battery pack 1 and transmits the data to the upper computer 22 through a signal line, and the upper computer 22 is electrically connected with the positive electrode and the negative electrode of the battery pack 1 to process the collected information and ensure the normal operation of the energy storage device.
The energy storage device further comprises a converter 5, and it should be noted that the converter can control the charging and discharging processes of the battery pack, perform alternating current/direct current conversion, and directly supply power to an alternating current load under the condition of no power grid. The battery management system determines the state of the whole energy storage device by detecting the state of each battery pack, and performs corresponding control adjustment and strategy implementation on the whole energy storage device according to the state of each battery pack, so that the charging and discharging management of the energy storage device and each battery pack is realized, and the safe and stable operation of the energy storage device is ensured.
As shown in fig. 3, the battery pack 1 further includes an explosion venting portion 13, and the base 4 includes an adsorption cavity 42 communicated with the explosion venting portion 13 to adsorb gas generated when the battery pack 1 is in thermal runaway, so as to control thermal runaway and thermal runaway propagation in time.
Example 6
As shown in fig. 4, 5, and 6, the embodiment shows an energy storage device, which includes a battery pack 1, a battery management system 2, and a base 4, where the battery pack includes a housing 11, an upper cover 14, a supporting component 3, and a core component 12, the housing 11, the upper cover 14, and the supporting component 3 form a battery pack housing in a surrounding manner, the core component 12 is disposed in the housing, the battery management system 2 is electrically connected to the core component 12, the supporting component 3 includes a supporting portion 31, a bottom end of the battery pack housing 11 is disposed on the supporting portion 31 in a vertical direction, and the supporting component 3 is detachably disposed on the base 4 in a horizontal direction; when the battery pack 1 is mounted on or dismounted from the base 4, the capacity of the energy storage device changes.
The support component 3 further comprises a moving part 33 and a first electrical connection part 32, the base 4 further comprises a second electrical connection part 44, the moving part 33 can enable the battery pack 1 mounted on the support component 3 to move quickly and conveniently, and the battery pack is mounted and dismounted conveniently, when the support component 3 is mounted on the base 4, the first electrical connection part 32 and the second electrical connection part 44 are matched and clamped, so that the battery pack 1 is electrically connected with the components in the base 4. In this embodiment, the moving member 33 is a roller.
The base 4 is further provided with a guide portion 43, and the supporting member 3 is further provided with a guide groove 34 matched with the guide portion 43, so that the supporting member 3 can move along a preset path, and convenient installation or disassembly can be realized. The base 4 further comprises a fixing portion 41, the supporting component 3 is further provided with a limiting portion 35 matched with the fixing portion 41, and after the supporting component 3 moves to a preset position and is installed on the base 4, the fixing portion 41 is connected with the limiting portion 35 in a clamped mode. In this embodiment, the fixing portion 41 is a plug, the limiting portion 35 is a limiting hole, and the plug can be engaged with the limiting hole to limit the movement of the supporting assembly 3.
The battery management system 2 comprises a lower computer 21 and an upper computer 22, and the lower computer 21 and the upper computer 22 are fixedly installed in the supporting component 3. The battery pack 1 is connected with the lower computer 21 through a sampling line, the sampling line collects data such as temperature, voltage and current of the battery pack 1 and transmits the data to the upper computer 22 through a signal line, and the upper computer 22 is electrically connected with the positive electrode and the negative electrode of the battery pack 1 to process the collected information and ensure the normal operation of the energy storage device.
The energy storage device further comprises a converter 5, and it should be noted that the converter can control the charging and discharging processes of the battery pack, perform alternating current/direct current conversion, and directly supply power to an alternating current load under the condition of no power grid. The battery management system determines the state of the whole energy storage device by detecting the state of each battery pack, and performs corresponding control adjustment and strategy implementation on the whole energy storage device according to the state of each battery pack, so that the charging and discharging management of the energy storage device and each battery pack is realized, and the safe and stable operation of the energy storage device is ensured.
The battery pack 1 further comprises an explosion venting part 13, and the base 4 comprises an adsorption cavity 42 communicated with the explosion venting part 13 so as to adsorb gas generated when the battery pack 1 is in thermal runaway and timely control thermal runaway and thermal runaway spread.
The energy storage device is further provided with a heat dissipation device 6, in the embodiment, the heat dissipation device 6 is a heat dissipation fan, heat generated by the battery pack is dissipated in time, and the energy storage system is prevented from being overhigh in temperature.
The energy storage device is further provided with a moving device 7 and a hand-push device 8, in the embodiment, the moving device 7 is a moving wheel, and the hand-push device 8 is a hand-push, so that the whole energy storage device can be conveniently and quickly moved.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (12)

1. An energy storage device, comprising:
the battery pack comprises a shell, an upper cover, a supporting assembly and an electric core assembly, wherein the shell, the upper cover and the supporting assembly are enclosed to form a battery pack shell, and the electric core assembly is arranged in the shell;
the battery management system is electrically connected with the electric core assembly; and
the supporting component is detachably arranged on the base along the horizontal direction;
the supporting component comprises a supporting part, and the bottom end of the battery pack shell is arranged on the supporting part along the vertical direction;
when the battery pack is mounted or dismounted on the base, the capacity of the energy storage device is changed.
2. The energy storage device of claim 1, wherein: the bottom end of the battery pack shell is integrally and fixedly arranged on the bearing part along the vertical direction.
3. The energy storage device of claim 1, wherein: the bottom end of the battery pack shell is detachably arranged on the bearing part along the vertical direction.
4. The energy storage device of claim 1, wherein: the bearing component further comprises a first electrical connection portion, and the base further comprises a second electrical connection portion matched with the first electrical connection portion.
5. The energy storage device of claim 1, wherein: the bottom of the bearing component is provided with a moving part.
6. The energy storage device of claim 1, wherein: the base is further provided with a guide part, and the bearing component is further provided with a guide groove matched with the guide part, so that the bearing component can move according to a preset path.
7. The energy storage device of claim 1, wherein: the base further comprises a fixing part/a limiting part, and the bearing component is further provided with a limiting part/a fixing part matched with the fixing part/the limiting part so as to limit the bearing component to move.
8. The energy storage device of claim 1, wherein: the battery management system comprises an upper computer and a lower computer, wherein the lower computer is connected with the battery pack through a sampling line, the upper computer is connected with the lower computer through a signal line, and the positive electrode and the negative electrode of the battery pack are electrically connected with the upper computer.
9. The energy storage device of claim 1, wherein: the energy storage device further comprises a converter, and the converter is connected with the battery management system.
10. The energy storage device of claim 1, wherein: the battery pack further comprises an explosion venting part, and the base comprises an adsorption cavity communicated with the explosion venting part so as to adsorb gas generated when the battery pack is out of thermal control.
11. The energy storage device of claim 1, wherein: the energy storage device is also provided with a heat dissipation device.
12. The energy storage device of claim 1, wherein: the energy storage device is also provided with a moving device and a hand-pushing device.
CN202210460282.8A 2022-04-24 2022-04-24 Energy storage device Pending CN114824627A (en)

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Application Number Priority Date Filing Date Title
CN202210460282.8A CN114824627A (en) 2022-04-24 2022-04-24 Energy storage device

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Application Number Priority Date Filing Date Title
CN202210460282.8A CN114824627A (en) 2022-04-24 2022-04-24 Energy storage device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116864886A (en) * 2023-09-01 2023-10-10 潍坊力创电子科技有限公司 Energy storage device for engineering machinery
CN117154323A (en) * 2023-10-18 2023-12-01 博鼎储能科技(山东)有限公司 Energy storage device for transformer substation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116864886A (en) * 2023-09-01 2023-10-10 潍坊力创电子科技有限公司 Energy storage device for engineering machinery
CN116864886B (en) * 2023-09-01 2023-11-17 潍坊力创电子科技有限公司 Energy storage device for engineering machinery
CN117154323A (en) * 2023-10-18 2023-12-01 博鼎储能科技(山东)有限公司 Energy storage device for transformer substation
CN117154323B (en) * 2023-10-18 2023-12-29 博鼎储能科技(山东)有限公司 Energy storage device for transformer substation

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