CN210956903U - Battery cabinet and energy storage device - Google Patents
Battery cabinet and energy storage device Download PDFInfo
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- CN210956903U CN210956903U CN201921652392.4U CN201921652392U CN210956903U CN 210956903 U CN210956903 U CN 210956903U CN 201921652392 U CN201921652392 U CN 201921652392U CN 210956903 U CN210956903 U CN 210956903U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery cabinet and energy memory, wherein the battery cabinet includes the battery cabinet body and sets up at the internal battery module of battery cabinet, be equipped with on the battery cabinet body can with the first interface module of the battery of the internal connection of adjacent battery cabinet, the battery module is connected with the first interface module of battery, the first interface module of battery includes first battery positive voltage interface, first battery negative voltage interface and the first communication interface of battery, the first communication interface of battery is used for being connected with the external communication port of the battery cabinet body. Through be equipped with the first interface assembly of battery that can adjacent battery cabinet body coupling on the battery cabinet body, can select the battery cabinet that corresponds quantity to peg graft according to actual need promptly in actual equipment and use, the battery holds the configuration and does not receive battery cabinet inner structure influence, has improved the flexibility of battery capacity configuration effectively.
Description
Technical Field
The utility model relates to an energy storage technology field, in particular to battery cabinet. The utility model discloses still relate to an energy memory including above-mentioned battery cabinet
Background
In energy storage applications, there are two general categories of inverter and battery mounting: one type is a split energy storage system in which the battery and inverter are separately mounted. One type is an integrated or unitary energy storage system in which the battery and inverter are integrated.
Energy memory passes through the battery cabinet energy storage, and the internal battery module that is equipped with of battery cabinet when specifically using, according to battery capacity demand, the internal battery module number of configuration battery cabinet.
However, because the structure of the battery cabinet body is fixed, the reserved space in the battery cabinet body limits the number of the expansion battery modules with the battery capacity, and the flexibility of battery capacity configuration is poor.
Therefore, how to achieve flexibility of battery capacity configuration improvement is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery cabinet to improve battery capacity configuration flexibility. Another object of the utility model is to provide an energy memory including above-mentioned battery cabinet.
In order to realize the above object, the utility model provides a battery cabinet, be in including the battery cabinet body and setting the internal battery module of battery cabinet, be equipped with the first interface module of battery that can be connected with the adjacent battery cabinet body on the battery cabinet body, the battery module with the first interface module of battery connects, the first interface module of battery includes first battery positive voltage interface, first battery negative voltage interface and the first communication interface of battery, the first communication interface of battery be used for with the external communication port of the battery cabinet body is connected.
Preferably, the number of the first battery interface assemblies is two, and the two first battery interface assemblies are symmetrically arranged on two side faces of the battery cabinet body, which are arranged back to back.
Preferably, the battery cabinet body is a series battery cabinet, wherein the first battery negative voltage interface at the input end can be selectively and electrically connected with the first battery negative voltage interface at the output end or a battery cathode of the battery cabinet body through a switch;
the two first battery communication interfaces in the same battery cabinet body are electrically connected, and the positive voltage interfaces of the two first batteries are isolated and disconnected;
in the two electrically connected first battery cabinets, one first battery negative voltage interface is electrically connected with the other first battery positive voltage interface.
Preferably, the battery cabinet is a parallel battery cabinet, two first battery positive voltage interfaces of the battery structure assembly in the battery cabinet body are electrically connected, two first battery negative voltage interfaces are electrically connected, and two first communication interfaces of the batteries are electrically connected.
An energy storage device comprises an inverter and a battery cabinet electrically connected with the inverter, wherein the battery cabinet is any one of the battery cabinets.
Preferably, the battery cabinet further comprises a junction box, two ends of the junction box are respectively electrically connected with the inverter and the battery cabinet, a second battery interface assembly capable of being mutually inserted is arranged on the end face of the inverter and the end face of the junction box, and a third battery interface assembly capable of being mutually inserted is arranged on the end face of the junction box and the end face of the battery cabinet.
Preferably, the battery terminal box further comprises a battery controller arranged in the terminal box, a signal output interface assembly is arranged at the side end of the terminal box, inverter signal interface assemblies capable of being mutually plugged are arranged on the end face of the inverter and the end face of the terminal box, and the second battery interface assembly and the inverter signal interface assemblies are both located on the upper end face of the terminal box.
Preferably, the number of the battery cabinets is at least two, the junction box is inserted above one of the battery cabinets, and all the battery cabinets share one battery controller.
Preferably, the first battery interface assembly and/or the second battery interface assembly and/or the third battery interface assembly and/or the external inverter line interface assembly and/or the signal inverter interface assembly are quick-connect interface assemblies.
Preferably, the battery cabinets are sequentially arranged in a horizontal direction.
In the technical scheme, the utility model provides a battery cabinet includes the battery cabinet body and sets up the battery module at the battery cabinet internal, be equipped with the first interface module of battery that can be connected with the adjacent battery cabinet body on the battery cabinet body, the battery module is connected with the first interface module of battery, and the first interface module of battery includes first battery positive voltage interface, first battery negative voltage interface and the first communication interface of battery, and the first communication interface of battery is used for being connected with the external communication port of the battery cabinet body. When the capacity of the battery needs to be expanded, the first battery positive voltage interface, the first battery negative voltage interface and the first battery communication interface corresponding to the two battery cabinets are plugged, so that the capacity expansion of the battery capacity is realized, and the number of the plugged battery cabinets is selected according to the actual capacity expansion and the battery capacity of a single battery cabinet.
According to the description, in the battery cabinet provided by the application, the first interface assemblies of the batteries which can be connected with the adjacent battery cabinet bodies are arranged on the battery cabinet bodies, namely, the battery cabinets with corresponding quantity can be selected to be inserted according to actual needs in the actual assembling and using processes, the battery capacity configuration is not influenced by the internal structure of the battery cabinet, and the flexibility of the battery capacity configuration is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a wiring port of a battery cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an energy storage device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a parallel battery cabinet in the energy storage device according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a battery cabinet connected in series in the energy storage device according to the embodiment of the present invention.
Wherein in FIGS. 1-4: 1-a battery cabinet body, 11-a series battery cabinet, 12-a parallel battery cabinet, 13-a battery anode and 14-a battery cathode;
2-junction box, 3-inverter;
4-a first interface component of a battery, 41-a first communication interface of the battery, 42-a negative voltage interface of the first battery, 43-a positive voltage interface of the first battery;
5-a battery third interface component, 51-a third battery negative voltage interface, 52-a third battery positive voltage interface, 53-a third battery communication interface;
6-a signal output interface component, 61-an inverter first communication interface, 62-an inverter first alternating current output interface and 63-an inverter first photovoltaic input interface;
7-a battery second interface component, 71-a second battery communication interface, 72-a second battery positive voltage interface, 73-a second battery negative voltage interface;
8-inverter signal interface component, 81-inverter second communication interface, 82-inverter second alternating current output interface and 83-inverter second photovoltaic input interface;
9-switch.
Detailed Description
The core of the utility model is to provide a battery cabinet to improve battery capacity configuration flexibility. Another object of the utility model is to provide an energy memory including above-mentioned battery cabinet.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 4.
In a specific implementation manner, the utility model discloses the battery cabinet that specific embodiment provided includes the battery cabinet body 1 and sets up the battery module in the battery cabinet body 1. Wherein the inside a plurality of battery modules that are equipped with of battery cabinet, a plurality of battery modules connect through series connection or parallel connection mode.
Be equipped with the first interface module of battery 4 that can adjacent battery cabinet body 1 connects on the battery cabinet body 1, the battery module is connected with the first interface module of battery 4, and the first interface module of battery 4 includes first battery positive voltage interface 43, first battery negative voltage interface 42 and the first communication interface 41 of battery, and the first communication interface 41 of battery is connected with the external communication port of the battery cabinet body 1. A battery anode 13 and a battery cathode 14 are arranged in the battery module, the battery anode 13 is electrically connected with the first battery positive voltage interface 43, and the battery cathode 14 is electrically connected with the first battery negative voltage interface 42.
Specifically, the number of the first battery interface assemblies 4 is two, and two first battery interface assemblies 4 may be disposed on the side surfaces of two adjacent battery cabinets 1. Certainly, the two first battery interface assemblies 4 are symmetrically arranged on two side faces of the battery cabinet body 1, which are opposite to each other, that is, the first battery interface assemblies 4 arranged on the left side and the right side of the battery cabinet form expansion ports.
When the capacity of the battery needs to be expanded, the first battery positive voltage interface 43, the first battery negative voltage interface 42 and the first battery communication interface 41 corresponding to the two battery cabinets are plugged, so that the capacity expansion of the battery is realized, and the number of the plugged battery cabinets is selected according to the actual capacity expansion and the battery capacity of a single battery cabinet.
It can be known from the above description that, in the battery cabinet provided in this embodiment of the application, through be equipped with the first interface assembly 4 of battery that can adjacent battery cabinet body 1 connects on battery cabinet body 1, can select the battery cabinet that corresponds quantity to peg graft according to actual need in actual equipment and use promptly, the battery capacity configuration is not influenced by battery cabinet inner structure, independent battery cabinet design promptly, the battery capacity dilatation is tailor in a flexible way, do not receive 1 volume space restrictions of all-in-one battery cabinet body, battery capacity configuration flexibility has been improved effectively.
As shown in fig. 3, the battery cabinet body 1 is a parallel battery cabinet 12, two first battery positive voltage interfaces 43 of the battery structural assembly in the battery cabinet body 1 are electrically connected, two first battery negative voltage interfaces 42 are electrically connected, and two battery first communication interfaces 41 are electrically connected. During the parallel expansion, the first battery negative voltage interface 42 of the parallel battery cabinet 12 with the right expansion is electrically connected to the first battery negative voltage interface 42 of the parallel battery cabinet 12 with the left expansion, and the first battery communication interface 41 of the parallel battery cabinet 12 with the right expansion is electrically connected to the first battery communication interface 41 of the parallel battery cabinet 12 with the left expansion. The left parallel battery cabinet 12 is connected to the battery controller, so that management of the battery control unit on a plurality of expansion battery cabinets and expansion of battery capacity can be realized.
In one embodiment, the battery cabinet 1 is a serial battery cabinet 11, wherein the input end first battery negative voltage interface 42 can be selectively and electrically connected with the output end first battery negative voltage interface 42 or the battery negative electrode 14 of the battery cabinet 1 through the switch 9. The first communication interfaces 41 of the two batteries in the same battery cabinet body 1 are electrically connected, and the positive voltage interfaces 43 of the two first batteries are isolated and disconnected; in the two electrically connected first battery cabinets 1, one first battery negative voltage interface 42 is electrically connected to the other first battery positive voltage interface 43. Specifically, the negative output end of the former battery cabinet is connected with the positive output end of the latter battery cabinet. And the negative electrode output end of the last battery cabinet is electrically connected with the most former negative electrode interface to form an integral series connection structure. Specifically, the SWITCH 9 functions as a SWITCH. Through gating the Switch to different contact points a/b, series connection wiring between the battery cabinets can be completed, and the risk of short circuit caused by artificial wiring errors is avoided.
As shown in fig. 4, during the serial expansion, the first battery negative voltage interface 42 of the left serial battery cabinet 11 is electrically connected to the first battery positive voltage interface 43 of the right serial battery cabinet 11, the first battery negative voltage interface 42 of the right expanded serial battery cabinet 11 is electrically connected to the first battery negative voltage interface 42 of the left serial battery cabinet 11, and the battery first communication interface 41 of the right expanded serial battery cabinet 11 is electrically connected to the battery first communication interface 41 of the left serial battery cabinet 11. The battery control unit can manage a plurality of expansion battery cabinets and expand the capacity of the batteries by connecting the battery cabinet 11 connected in series on the left side to the battery controller. Meanwhile, the left series battery cabinet 11 selects two switches to the b contact point through the Switch 9, the right series battery cabinet 11 gates the Switch to the a contact point, voltage series connection and communication connection of the two battery cabinets are completed, and the battery controller unit is accessed through the upper end face of the left series battery cabinet 11. Therefore, the management of the battery control unit to a plurality of expansion battery cabinets and the expansion of the battery capacity can be realized.
The energy storage device provided by the application comprises the inverter 3 and a battery cabinet electrically connected with the inverter 3, wherein the battery cabinet is any one of the battery cabinets, the specific structure of the battery cabinet is described, and the application comprises the battery cabinet and also has the technical effects.
The energy storage device further comprises a junction box 2, two ends of the junction box 2 are electrically connected with the inverter 3 and the battery cabinet respectively, a signal output interface assembly 6 is arranged on the junction box 2, and specifically, the signal output assembly 6 comprises an inverter first communication interface 61, an inverter first alternating current output interface 62 and an inverter first photovoltaic input interface 63. The end face of the inverter 3 and the end face of the junction box 2 are provided with second battery interface components 7 which can be mutually inserted, and the end face of the junction box 2 and the end face of the battery cabinet are provided with third battery interface components 5 which can be mutually inserted. Specifically, the inverter 3 unit can be flexibly configured as a light storage hybrid inverter, an ac coupled inverter or a dc coupled inverter to meet different product solutions. Specifically, the battery third interface assembly 5 includes a third battery communication interface 51, a third battery positive voltage interface 52, and a third battery negative voltage interface 51. The battery second interface assembly 7 comprises a third battery communication interface 71, a third battery positive voltage interface 72 and a third battery negative voltage interface 73.
The energy storage device further comprises a battery controller arranged in the junction box 2, the battery controller unit is used for monitoring a plurality of battery modules in the battery cabinet, namely BMS management, the signal output interface assembly 6 is arranged at the side end of the junction box 2, and the battery third interface assembly 5 and the inverter signal interface assembly 8 are both located on the upper end face of the junction box 2. The inverter signal interface assembly 8 includes an inverter second communication interface 81, an inverter second ac output interface 82, and an inverter second photovoltaic input interface 83. In one embodiment, the number of the battery cabinets is at least two, the junction box 2 is inserted above one of the battery cabinets, and all the battery cabinets share one battery controller. The unit design of the independent battery controller can flexibly manage a plurality of battery cabinets with series-parallel capacity expansion, and hardware cost is saved.
In order to facilitate the disassembly and assembly of the energy storage device, preferably, the first battery interface assembly 4 and/or the second battery interface assembly 7 and/or the third battery interface assembly 5 and/or the external inverter connection interface assembly and/or the signal inverter interface assembly 8 are quick-connect interface assemblies. Inverter 3, battery controller and terminal box 2, battery cabinet adopt to insert soon and pile up exempting from to install the wiring, and the installation is convenient.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a battery cabinet, is in including the battery cabinet body (1) and setting battery module in the battery cabinet body (1), its characterized in that, be equipped with on the battery cabinet body (1) can with adjacent the first interface module of battery (4) that the battery cabinet body (1) is connected, the battery module with the first interface module of battery (4) are connected, the first interface module of battery (4) include first battery positive voltage interface (43), first battery negative voltage interface (42) and the first communication interface of battery (41), the first communication interface of battery (41) be used for with the external communication port of the battery cabinet body (1) is connected.
2. The battery cabinet according to claim 1, characterized in that the number of the first battery interface assemblies (4) is two, and the two first battery interface assemblies (4) are symmetrically arranged on two sides of the battery cabinet body (1) which are arranged back to back.
3. The battery cabinet according to claim 2, characterized in that the battery cabinet body (1) is a series battery cabinet, wherein the first battery negative voltage interface (42) at the input end can be selectively electrically connected with the first battery negative voltage interface (42) at the output end or a battery negative electrode (14) of the battery cabinet body (1) through a switch (9);
the two first battery communication interfaces (41) in the same battery cabinet body (1) are electrically connected, and the two first battery positive voltage interfaces (43) are isolated and disconnected;
in the two electrically connected first battery cabinets (1), one first battery negative voltage interface (42) is electrically connected with the other first battery positive voltage interface (43).
4. The battery cabinet according to claim 2, characterized in that the battery cabinet body (1) is a parallel battery cabinet (12), two first battery positive voltage interfaces (43) of the battery structure assembly in the battery cabinet body (1) are electrically connected, and two first battery negative voltage interfaces (42) are electrically connected with two first battery communication interfaces (41).
5. An energy storage device comprising an inverter (3) and a battery cabinet electrically connected to the inverter (3), wherein the battery cabinet is the battery cabinet according to any one of claims 1 to 4.
6. The energy storage device according to claim 5, further comprising a junction box (2) having two ends electrically connected to the inverter (3) and the battery cabinet, respectively, wherein a second interface assembly (7) of the battery capable of being plugged into each other is disposed on the end surface of the inverter (3) and the end surface of the junction box (2), and a third interface assembly (5) of the battery capable of being plugged into each other is disposed on the end surface of the junction box (2) and the end surface of the battery cabinet body (1).
7. The energy storage device according to claim 6, further comprising a battery controller arranged in the junction box (2), wherein a signal output interface assembly (6) is arranged at a side end of the junction box (2), an inverter signal interface assembly (8) capable of being plugged into each other is arranged at an end face of the inverter (3) and an end face of the junction box (2), and the battery second interface assembly (7) and the inverter signal interface assembly (8) are both located at an upper end face of the junction box (2).
8. The energy storage device as claimed in claim 7, wherein the number of the battery cabinets is at least two, the junction box (2) is plugged above one of the battery cabinets, and all the battery cabinets share one battery controller.
9. Energy storage device according to claim 8, characterized in that the battery first interface component (4) and/or the battery second interface component (7) and/or the battery third interface component (5) and/or the inverter external wiring interface component and/or the inverter signal interface component (8) are fast socket components.
10. The energy storage device of claim 8, wherein the battery cabinets are arranged in sequence in a horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652392.4U CN210956903U (en) | 2019-09-27 | 2019-09-27 | Battery cabinet and energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652392.4U CN210956903U (en) | 2019-09-27 | 2019-09-27 | Battery cabinet and energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210956903U true CN210956903U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652392.4U Active CN210956903U (en) | 2019-09-27 | 2019-09-27 | Battery cabinet and energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210956903U (en) |
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2019
- 2019-09-27 CN CN201921652392.4U patent/CN210956903U/en active Active
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