CN116093760A

CN116093760A - Energy storage equipment

Info

Publication number: CN116093760A
Application number: CN202310375807.2A
Authority: CN
Inventors: 王波涛; 刘通通
Original assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Current assignee: Zhejiang Lera New Energy Power Technology Co Ltd
Priority date: 2023-03-14
Filing date: 2023-03-31
Publication date: 2023-05-09
Anticipated expiration: 2043-03-31
Also published as: CN116093760B

Abstract

The invention provides energy storage equipment, and relates to the technical field of power supply equipment; the energy storage device comprises: a housing; BMS board; the inversion plates are detachably connected to the BMS plates and are arranged at intervals; the main control board is detachably and electrically connected with the BMS board; and are arranged in the shell together with the BMS plate and the inverter plate; when the main control board is detachably and electrically connected to the BMS board, the BMS board is communicated with the inverter board; when the main control board is separated from the BMS board, the BMS board is disconnected from the inverter board. When being connected to the BMS board through setting up the detachable electricity of main control board, interconnect's BMS board and contravariant board realize switching on, avoided BMS board and contravariant board when the installation is accomplished, realize promptly that the circuit potential safety hazard that switches on and bring, and need not to set up protection circuit, reduced internal circuit and arranged, reduced manufacturing cost.

Description

Energy storage equipment

Technical Field

The invention relates to the technical field of power supply equipment, in particular to energy storage equipment.

Background

Currently, with the wide application of energy storage devices, the energy storage devices generally involve the installation between circuit boards during the assembly process; especially in inverter board and BMS board installation, both installation are accomplished, realize the electricity promptly and connect, can have circuit potential safety hazard in the installation that leads to.

Disclosure of Invention

The invention aims to provide energy storage equipment which can avoid potential safety hazards of circuits caused by an inverter board and a BMS board in the installation process.

The technical scheme adopted by the invention for realizing the purposes is as follows: an energy storage device, comprising: a housing; a BMS board provided with a first electrical connector; the inversion plate is detachably connected with the BMS plate through a second electric connecting piece and is arranged at intervals with the BMS plate; the main control board is provided with a third electric connecting piece matched with the first electric connecting piece; the main control board, the BMS board and the inverter board are arranged in the shell; when the first electric connecting piece is connected with the third electric connecting piece, the first electric connecting piece, the second electric connecting piece and the third electric connecting piece form a circuit loop, so that the BMS board is communicated with the inverter board; when the first electric connecting piece is separated from the third electric connecting piece, an open circuit is formed between the BMS board, the second electric connecting piece and the inverter board, and the BMS board is disconnected from the inverter board.

In an alternative embodiment, one of the first electrical connector and the third electrical connector is a male connector, and the other is a female connector; the female plug-in components are equipped with the clamp mouth, work as press from both sides mouthful centre gripping when the male plug-in components, the contravariant board the main control board with BMS board interconnect electricity is connected.

In an alternative embodiment, the BMS board is provided with a first electrode connection terminal; the inverter board is provided with a second electrode connecting end; the main control board is provided with a third electrode connecting end; the female plug-in comprises at least three sockets which are arranged at intervals; one end of each socket is provided with the clamping opening; the male plug-in comprises a plurality of inserting sheets which are arranged at intervals, and the inserting sheets are arranged in one-to-one correspondence with the clamping openings; the first electrode connecting end and the second electrode connecting end are respectively connected with the socket, and the third electrode connecting end is connected with the inserting sheet; when the inserting sheets are inserted into the corresponding clamping openings, the BMS board is communicated with the inverter board.

In an alternative embodiment, the number of the sockets is three, wherein two sockets are homopolar sockets, and the other socket is a counterpolar socket; one end of the counter electrode socket is connected with the first electrode connecting end and is connected with the second electrode connecting end at the same time; one of the homopolar sockets is connected with the first electrode connecting end, and the other socket is connected with the second electrode connecting end.

In an alternative embodiment, when the number of sockets is greater than three, and only one is an opposite-pole socket, the remainder are homopole sockets; only the counter electrode socket is arranged at the first electrode connecting end and is connected with the second electrode connecting end at the same time; at least one homopolar socket in the rest homopolar sockets is connected with the first electrode connecting end, and at least one homopolar socket is connected with the second electrode connecting end.

In an alternative embodiment, when the number of the sockets is greater than three, and there are a plurality of opposite-pole sockets and a plurality of same-pole sockets, at least one of the opposite-pole sockets and at least one of the same-pole sockets are connected to the first electrode connection terminal; at least one of the opposite-pole sockets and at least one of the same-pole sockets are connected with a second electrode connecting end; when at least one opposite-pole socket is connected with the first electrode connecting end and the second electrode connecting end at the same time, each same-pole socket is connected with only one of the first electrode connecting end and the second electrode connecting end; or when at least one homopolar socket is connected with the first electrode connecting end and the second electrode connecting end simultaneously, each antipole socket is connected with only one of the first electrode connecting end and the second electrode connecting end.

In an alternative embodiment, when the number of the sockets is greater than three, and there are a plurality of opposite-pole sockets and a plurality of same-pole sockets, at least one of the opposite-pole sockets and at least one of the same-pole sockets are connected to the first electrode connection terminal; at least one of the opposite-pole sockets and at least one of the same-pole sockets are connected with a second electrode connecting end; and each of the sockets is connected with only one of the first electrode connection terminal and the second electrode connection terminal.

In an alternative embodiment, the counter-electrode socket is a negative electrode socket and the homopolar socket is a positive electrode socket; or, the reverse electrode socket is a positive electrode socket, and the homopolar socket is a negative electrode socket.

In an alternative embodiment, the first electrode connection terminal includes: the first positive electrode connecting end and the first negative electrode connecting end; the second electrode connection terminal includes: the second positive electrode connecting end and the second negative electrode connecting end; the third electrode connection terminal includes: the third positive electrode connecting end and the third negative electrode connecting end; the first positive electrode connecting end and the second positive electrode connecting end are used for correspondingly connecting the positive electrode socket; the first negative electrode connecting end and the second negative electrode connecting end are used for correspondingly connecting the negative electrode socket; the third positive electrode connecting end and the third negative electrode connecting end are respectively connected with the inserting sheet.

The present invention also provides an energy storage device comprising: a housing; BMS board; the inversion plates are detachably connected with the BMS plates and are arranged at intervals; the electric connection column is supported between the BMS board and the inverter board along the vertical direction; the main control board is detachably and electrically connected with the BMS board; and are arranged in the shell together with the BMS plate and the inverter plate; wherein, one of the main control board and the BMS board is provided with a female plug-in unit, and the other is provided with a male plug-in unit which is matched with each other; when the main control board and the BMS board are electrically connected with the male plug-in unit through the female plug-in unit, the BMS board is communicated with the inverter board through the electric connecting column; when the main control board is separated from the BMS board, the BMS board is disconnected from the inverter board.

In an alternative embodiment, a plurality of the electric connection posts are arranged at intervals.

In an alternative embodiment, the female plug is provided with a clamping opening, and when the male plug is clamped by the clamping opening, the female plug, the male plug and the electric connecting column form a circuit loop.

The present invention also provides an energy storage device comprising: a housing; the BMS board is provided with at least one first socket and at least two first inserting sheets which are arranged at intervals; or at least two first sockets and at least one first inserting sheet are arranged at intervals; the inverter plates are detachably connected to the BMS plates through second electric connectors and are arranged at intervals; the main control board is provided with a second socket and a second inserting sheet which are arranged at intervals; the first inserting sheets are arranged in one-to-one correspondence with the second sockets, and the second inserting sheets are arranged in one-to-one correspondence with the first sockets; the main control board, the BMS board and the inverter board are arranged in the shell; the main control board is detachably and electrically connected to the first socket and the first inserting piece of the BMS board through the second socket and the second inserting piece, so that the BMS board is communicated with the inverter board through the second electric connecting piece; when the main control board is separated from the BMS board, the BMS board is disconnected from the inverter board.

In an alternative embodiment, the first socket is a positive socket, the first insert is a negative insert, the second socket is a negative socket, and the second insert is a positive insert; or, the first socket is a negative electrode socket, the first inserting piece is a positive electrode inserting piece, the second socket is a positive electrode socket, and the second inserting piece is a negative electrode inserting piece.

In an alternative embodiment, the second electrical connector is an electrical connection post, and is vertically supported between the BMS board and the inverter board.

The invention also provides an energy storage device, which comprises a shell, a battery module arranged in the shell, and further comprises: the first circuit board is electrically connected with the positive output electrode and the negative output electrode of the battery module; a second circuit board and a third circuit board adapted to be connected to the first circuit board, respectively; wherein one of the second circuit board and the third circuit board is configured to include at least an inverter circuit; when the circuit board provided with the inverter circuit is connected with the first circuit board and the other circuit board not provided with the inverter circuit is not connected with the first circuit board, the circuit between the circuit board provided with the inverter circuit and the first circuit board is not conducted.

In an alternative embodiment, the second circuit board and the third circuit board are adapted to be electrically and mechanically connected to the first circuit board, respectively.

In an alternative embodiment, the second circuit board and the third circuit board are electrically connected with the first circuit board by providing an electrical connection post or a connection terminal or a male-female plug, respectively.

In an alternative embodiment, a circuit on-off device is arranged between the circuit board configured with the inverter circuit and the first circuit board, and the circuit on-off device is suitable for connecting the circuit board not configured with the inverter circuit with the first circuit board.

In an alternative embodiment, the circuit switching device is adapted to conduct the positive and negative output poles of the battery module with the positive and negative poles of the inverter circuit through the first circuit board, and is conducted only when the circuit board without the inverter circuit is connected to the first circuit board.

In an alternative embodiment, the circuit switching device comprises a switch, and the switch is triggered to be turned on when the circuit board without the inverter circuit is connected to the first circuit board.

In an alternative embodiment, the circuit switching device comprises at least one connection piece for maintaining open circuit, and the connection piece for maintaining open circuit is connected and conducted when the circuit board without the inverter circuit is connected to the first circuit board.

In an alternative embodiment, the circuit on-off device includes: the first electric connector is arranged on the first circuit board; the third electric connecting piece is arranged on the circuit board without the inverter circuit and is matched with the first electric connecting piece; the first circuit board is connected with the circuit board provided with the inverter circuit through a second electric connecting piece; and when the third electric connecting piece is connected with the first electric connecting piece, the circuit board provided with the inverter circuit is conducted with the first circuit board through the second electric connecting piece.

The present invention also provides an energy storage device comprising: a housing; the BMS board comprises only a first socket and a first inserting piece, wherein the first socket and the first inserting piece are arranged at intervals; the inverter plates are detachably connected to the BMS plates through second electric connectors and are arranged at intervals; the main control board is provided with a second socket and a second inserting sheet which are arranged at intervals; the first inserting sheets are arranged in one-to-one correspondence with the second sockets, and the second inserting sheets are arranged in one-to-one correspondence with the first sockets; the main control board, the BMS board and the inverter board are arranged in the shell; the main control board is detachably and electrically connected to the first socket and the first inserting piece of the BMS board through the second socket and the second inserting piece, so that the BMS board is communicated with the inverter board through the second electric connecting piece; when the main control board is separated from the BMS board, the BMS board is disconnected from the inverter board.

In an alternative embodiment, the first socket includes: the two elastic sheets are arranged at intervals to form a clamping opening matched with the second inserting sheet; the first inserting piece is respectively connected with a first electrode connecting end of the BMS board and a second electrode connecting end of the inverter board; one of the two elastic sheets is connected with the first electrode connecting end, and the other elastic sheet is connected with the second electrode connecting end.

The invention has the following beneficial effects:

1) When the main control board is detachably and electrically connected to the BMS board, the BMS board and the inverter board which are connected with each other are conducted, so that potential safety hazards of circuits caused by the fact that the BMS board and the inverter board are conducted when installation is completed are avoided;

2) When the first electric connecting piece on the BMS board is connected with the third electric connecting piece on the main control board, the first electric connecting piece, the second electric connecting piece and the third electric connecting piece form a circuit loop, so that when the main control board is connected with the BMS board, the inverter board, the BMS board and the main control board are mutually communicated; meanwhile, when the first electric connecting piece is separated from the third electric connecting piece, a circuit opening is formed among the BMS board, the second electric connecting piece and the inverter board, so that potential safety hazards of the circuit can not be caused only when the BMS board is connected with the inverter board through the second electric connecting piece;

3) Through being connected first electric connector and third electric connector with the form of male and female inserting for be connected between master control board and the BMS board more firmly, be difficult for under the exogenic action, lead to first electric connector and third electric connector to break away from, improved the stability in the energy storage equipment use then.

Drawings

Fig. 1 is a schematic diagram of an energy storage device 100 according to the present invention;

fig. 2 is a schematic diagram illustrating an installation structure of the BMS board 110 and the main control board 130 in fig. 1;

FIG. 3 is an enlarged view of FIG. 2A;

fig. 4 is an assembly schematic diagram of the BMS board 110 and the inverter board 120 of fig. 1;

fig. 5 is a schematic structural diagram of the main control board 130 and the plugging sheet 131 in fig. 1;

fig. 6 is a schematic diagram of a connection structure among the BMS board 110, the inverter board 120, and the main control board 130;

fig. 7 is a schematic view of another connection structure among the BMS board 110, the inverter board 120, and the main control board 130;

fig. 8 is a schematic view of another connection structure among the BMS board 110, the inverter board 120, and the main control board 130;

fig. 9 is a schematic diagram of another connection structure among the BMS board 110, the inverter board 120, and the main control board 130;

fig. 10 is another structural schematic diagram of the BMS plate 110 of fig. 4;

fig. 11 is a schematic diagram of another structure of the main control board 130 in fig. 5;

FIG. 12 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 13 is a left side view of FIG. 12;

fig. 14 is a top view of 13;

fig. 15 is another structural schematic view of the BMS plate 110 of fig. 4;

fig. 16 is a schematic diagram of another structure of the main control board 130 in fig. 5;

fig. 17 is a schematic view of another connection structure among the BMS board 110, the inverter board 120, and the main control board 130;

fig. 18 is a schematic diagram showing connection between the main control board 130' and the PD main control board 160;

fig. 19 is a schematic view of the structure of fig. 18 from another view angle.

Reference numerals illustrate:

100-an energy storage device; 110-BMS board; 111-a first socket; 112-first tab; 120-an inverter board; 121-a protective cover; 122-socket; 123-shrapnel; 124-a first electrical connection; 125-electrical connection posts; 126-a second electrical connection; 130-a main control board; 130' -displaying a main control board; 131-inserting sheets; 132-a second receptacle; 133-a second insert; 134-a third electrical connector; 140-a housing; 150-a battery module; 160-PD master control board; 161-fourth electrical connector; 161 a-main current connector; 161 b-signal connectors.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Example 1

Referring to fig. 1-5, the present embodiment provides an energy storage device 100 comprising: the case 140, the BMS board 110, the inverter board 120, and the main control board 130.

Specifically, the housing 140 has a receiving space therein, and the BMS board 110, the inverter board 120, and the main control board 130 are all disposed in the housing 140; the inverter board 120 is detachably connected to the BMS board 110 and is spaced apart from the BMS board 110; the main control board 130 is detachably and electrically connected with the BMS board 110; wherein, when the main control board 130 is detachably and electrically connected to the BMS board 110, the BMS board 110 is in conduction with the inverter board 120; when the main control board 130 is separated from the BMS board 110, the BMS board 110 is disconnected from the inverter board 120.

When being detachably and electrically connected to the BMS board 110 through setting up the main control board 130, the BMS board 110 of interconnect realizes switching on with the contravariant board 120, has avoided BMS board 110 and contravariant board 120 when the installation is accomplished, realizes promptly that the circuit potential safety hazard that switches on and bring.

Further, referring to fig. 4, 5 and 12, further including: first electrical connector 124, second electrical connector 126, and third electrical connector 134.

Specifically, the first electrical connector 124 is disposed at the BMS board 110; the second electrical connector 126 is disposed between the BMS board 110 and the inverter board 120; the third electrical connector 134 is disposed on the main control board 130, and the first electrical connector 124 is disposed in a matching manner; when the first electrical connector 124 is connected to the third electrical connector 134, the first electrical connector 124, the second electrical connector 126 and the third electrical connector 134 form a circuit; when the first electrical connector 124 is separated from the third electrical connector 134, an electrical circuit is opened between the BMS board 110, the second electrical connector 126, and the inverter board 120.

When the first electric connector 124 on the BMS board 110 is connected with the third electric connector 134 on the main control board 130, the first electric connector 124, the second electric connector 126 and the third electric connector 134 form a circuit loop, so that when the main control board 130 is connected with the BMS board 110, the inverter board 120, the BMS board 110 and the main control board 130 are mutually communicated; meanwhile, when the first and third electrical connectors 124 and 134 are separated, an electrical open circuit is formed between the BMS board 110, the second electrical connector 126 and the inverter board 120, so that no potential safety hazard is caused only when the BMS board 110 and the inverter board 120 are connected through the second electrical connector 126.

Further, one of the first electrical connector 124 and the third electrical connector 134 is a male connector, and the other is a female connector; wherein, the female plug-in is provided with a clamping opening, and when the male plug-in is clamped by the clamping opening, the main control board 130 is electrically connected with the BMS board 110.

Through being connected first electric connector 124 and third electric connector 134 with the form of male and female inserting for be connected between main control board 130 and the BMS board 110 more firmly, be difficult for under the exogenic action, lead to first electric connector 124 and third electric connector 134 to break away from, improved the stability in the energy storage device 100 use in succession.

Further, the BMS board 110 is provided with a first electrode connection terminal; the inverter board 120 is provided with a second electrode connection end; the main control board 130 is provided with a third electrode connecting end; the female plug-in comprises at least three sockets 122 which are arranged at intervals; one end of each socket 122 is provided with a clamping opening; the male plug-in comprises a plurality of inserting sheets 131 which are arranged at intervals, and the inserting sheets 131 are arranged in one-to-one correspondence with the clamping ports; wherein, the first electrode connection end and the second electrode connection end are respectively connected with the corresponding sockets 122, and the third electrode connection end is connected with the inserting sheet 131; when the tab 131 is inserted into the corresponding nip, the BMS board 110 is in conduction with the inverter board 120.

By arranging at least three sockets 122 and a plurality of inserting pieces 131, when the inserting pieces 131 are inserted into corresponding clamping ports, the BMS board 110 is conducted with the inverter board 120; when the tab 131 is removed, the BMS board 110 is disconnected from the inverter board 120.

Further, referring to fig. 6, the number of the sockets 122 is three, wherein two sockets 122 are homopolar sockets and the other socket is a counterpolar socket; one end of the counter electrode socket is connected with the first electrode connecting end and is connected with the second electrode connecting end at the same time; one of the homopolar sockets is connected with the first electrode connecting end, and the other socket is connected with the second electrode connecting end.

By arranging two homopolar sockets and one antipole socket; one end of the counter electrode socket is connected with the first electrode connecting end and is simultaneously connected with the second electrode connecting end; one homopolar socket is connected with the first electrode connecting end, and the other homopolar socket is connected with the second electrode connecting end, so that a circuit open circuit is formed after the BMS board 110 and the inverter board 120 are installed; after the main control board 130 is inserted into the corresponding socket 122 through the insertion piece 131, a circuit loop is formed, and the BMS board 110 is connected with the inverter board 120.

Further, the opposite-pole socket is a negative-pole socket, and the homopolar socket is a positive-pole socket; or, the opposite-pole socket is a positive-pole socket, and the same-pole socket is a negative-pole socket. By providing the socket 122 of the positive and negative electrodes, the corresponding electrode connection terminals on the circuit board are correspondingly connected.

Further, the first electrode connection terminal includes: the first positive electrode connecting end and the first negative electrode connecting end; the second electrode connection terminal includes: the second positive electrode connecting end and the second negative electrode connecting end; the third electrode connection terminal includes: the third positive electrode connecting end and the third negative electrode connecting end; the first positive electrode connecting end and the second positive electrode connecting end are used for correspondingly connecting a positive electrode socket; the first negative electrode connecting end and the second negative electrode connecting end are used for correspondingly connecting a negative electrode socket; the third positive electrode connecting end and the third negative electrode connecting end are respectively connected with the inserting sheet 131.

Specifically, referring to fig. 6, when the inverter board 120 is connected to the BMS board 110, a first positive connection terminal of the BMS board 110 is electrically connected to a second positive socket provided on the BMS board 110; the negative electrode socket on the BMS board 110 is electrically connected with the first negative electrode connection terminal on the BMS board 110 and the second negative electrode connection terminal on the inverter board 120; the first positive electrode socket on the BMS board 110 is electrically connected with the second positive electrode connection terminal on the inverter board 120; when the main control board 130 is connected to the negative electrode socket through the negative electrode inserting piece 131 and the positive electrode inserting piece 131 is respectively connected to the positive electrode socket one and the positive electrode socket two, a circuit loop is formed among the BMS board 110, the inverter board 120 and the main control board 130.

Further, when the number of the sockets 122 is greater than three, and there are a plurality of opposite-pole sockets and a plurality of same-pole sockets, at least one opposite-pole socket and at least one same-pole socket are connected to the first electrode connection terminal; the at least one counter electrode socket and the at least one homopolar socket are connected with the second electrode connecting end; and each socket 122 is connected to only one of the first electrode connection terminal and the second electrode connection terminal. So that the circuit between the BMS board 110 and the inverter board 120 is maintained in an open state after the BMS board 110 and the inverter board 120 are mounted; when the main control board 130 is inserted into the corresponding socket 122 through the insertion piece 131, a circuit loop is formed, and the BMS board 110 is connected with the inverter board 120.

As shown in fig. 7, two negative electrode sockets and two positive electrode sockets are provided; each negative electrode socket and each positive electrode socket are respectively connected with one of the first positive electrode connecting end, the second positive electrode connecting end, the first negative electrode connecting end and the second negative electrode connecting end.

Further, when the number of the sockets 122 is greater than three, and there are a plurality of opposite-pole sockets and a plurality of same-pole sockets, at least one opposite-pole socket and at least one same-pole socket are connected to the first electrode connection terminal; the at least one counter electrode socket and the at least one homopolar socket are connected with the second electrode connecting end; when at least one opposite-pole socket is connected with the first electrode connecting end and the second electrode connecting end at the same time, each same-pole socket is connected with only one of the first electrode connecting end and the second electrode connecting end; or when at least one homopolar socket is connected with the first electrode connecting end and the second electrode connecting end simultaneously, each antipole socket is connected with only one of the first electrode connecting end and the second electrode connecting end.

By providing a greater number of outlets 122 than three, and having a plurality of counter-pole outlets and a plurality of homopole outlets; and connecting at least one counter-electrode socket and at least one homopolar socket to the first electrode connection end, wherein the at least one counter-electrode socket and the at least one homopolar socket are connected to the second electrode connection end, and when the at least one counter-electrode socket is simultaneously connected to the first electrode connection end and the second electrode connection end, each homopolar socket is only connected to one of the first electrode connection end and the second electrode connection end; or when at least one homopolar socket is simultaneously connected with the first electrode connecting end and the second electrode connecting end, each antipole socket is connected with only one of the first electrode connecting end and the second electrode connecting end. It is ensured that the inverter board 120 does not form a loop when being mounted with the BMS board 110 through the second electrical connector 126, thereby avoiding potential safety hazards of the circuit generated in the process of mounting the inverter board 120 with the BMS board 110.

For example, as shown in fig. 8, three negative electrode sockets and two positive electrode sockets are provided; when the third negative electrode socket is connected with the first negative electrode connection end of the BMS board 110 and the second negative electrode connection end of the inverter board 120, the first positive electrode socket and the second positive electrode socket are respectively connected with only one of the first positive electrode connection end and the second positive electrode connection end. In turn, it is ensured that only the inverter board 120 does not form a loop when mounted with the BMS board 110 through the second electrical connector 126.

Further, when the number of the sockets 122 is greater than three, only one is the opposite-pole socket, and the rest are the same-pole sockets; only the opposite electrode socket is arranged at the first electrode connecting end and is connected with the second electrode connecting end at the same time; at least one homopolar socket in the rest homopolar sockets is connected with the first electrode connecting end, and at least one homopolar socket is connected with the second electrode connecting end.

By arranging more than three sockets 122, only one socket is an opposite-pole socket, and when the rest sockets are the same-pole sockets, only the opposite-pole sockets are arranged at the first electrode connecting end and are simultaneously connected with the second electrode connecting end; at least one homopolar socket in the rest homopolar sockets is connected with the first electrode connecting end, and at least one homopolar socket is connected with the second electrode connecting end. So that the inverter board 120 does not form a loop when being mounted with the BMS board 110 through the second electrical connector 126, thereby avoiding potential safety hazards of the circuit during the mounting of the inverter board 120 and the BMS board 110.

For example, when more than three sockets 122 are provided, only one socket with the same polarity and the rest sockets with opposite polarity may be provided; at this time, only homopolar sockets are arranged at the first electrode connecting end and are simultaneously connected with the second electrode connecting end; at least one of the other counter electrode sockets is connected with the first electrode connecting end, and at least one counter electrode socket is connected with the second electrode connecting end.

As shown in fig. 9, four negative electrode sockets and one positive electrode socket are provided; when the positive electrode socket is connected with the first positive electrode connection end of the BMS board 110 and the second positive electrode connection end of the inverter board 120, the four negative electrode sockets are connected with only one of the first negative electrode connection end and the second negative electrode connection end.

Further, referring to fig. 4, each socket 122 is formed by two elastic pieces 123, and the two elastic pieces 123 are spaced apart to form a clamping opening; and two shell fragments 123 are close to the one end of inserted sheet 131, become horn-shaped opening structure, play certain guide effect, have improved assembly efficiency and degree of accuracy between socket 122 and the inserted sheet 131.

Further, referring to fig. 3, further includes: a shield 121 provided to the BMS board 110; a plurality of mutually isolated spaces are arranged in the protective cover 121; the sockets 122 are disposed in each space in a one-to-one correspondence. The shield 121 is provided with an opening communicating with the built-in space along the insertion direction of the insertion piece 131, and the opening covers two adjacent faces of the shield 121. By arranging the protective cover 121, the sockets 122 are isolated from each other, so that the sockets 122 are prevented from being damaged by external collision; while also blocking adjacent receptacles 122 from shorting during engagement with the blade 131.

Example two

Referring to fig. 1-5, the present invention also provides an energy storage device 100 comprising: the battery pack includes a case 140, a BMS board 110, an inverter board 120, an electrical connection post 125, and a main control board 130.

Specifically, the inverter board 120 is spaced apart from the BMS board 110; the electric connection columns 125 are supported between the BMS board 110 and the inverter board 120 in the vertical direction; the BMS board 110 is provided with a female plug-in; the main control board 130 is provided with a male plug-in unit matched with the female plug-in unit, and the main control board 130 is detachably and electrically connected with the BMS board 110; and are disposed in the case 140 together with the BMS board 110 and the inverter board 120; wherein, when the main control board 130 is detachably and electrically connected to the female plug-in of the BMS board 110 through the male plug-in, the BMS board 110 is electrically connected to the inverter board 120 through the electrical connection column 125; when the main control board 130 is separated from the BMS board 110, the BMS board 110 is disconnected from the inverter board 120.

For example, the BMS board 110 may be provided with a male plug-in; the main control board 130 is provided with female plug-ins matched with the male plug-ins, and the details are not expanded one by one.

Further, referring to fig. 12, the electrical connection posts 125 are provided in plurality and spaced apart from each other. Through set up a plurality of electric connection posts 125 at BMS board 110 and inverter board 120 and be connected for electric connection post 125 plays circuit connection's effect in between BMS board 110 and inverter board 120, can also play the effect of mutual support.

Example III

Referring to fig. 1, 10 and 11, the present invention also provides an energy storage device 100 including: the case 140, the BMS board 110, the inverter board 120, and the main control board 130.

Specifically, the BMS board 110 is provided with at least one first socket 111 and at least two first insertion pieces 112 arranged at intervals; or at least two first sockets 111 and at least one first insert 112 are arranged at intervals; the inverter board 120 detachably connected to the BMS board 110 through a second electrical connector and disposed at a distance from each other; the main control board 130 is provided with a second socket 132 and a second inserting sheet 133 which are arranged at intervals; the first inserting pieces 112 are arranged in one-to-one correspondence with the second sockets 132, and the second inserting pieces 133 are arranged in one-to-one correspondence with the first sockets 111; the main control board 130, the BMS board 110 and the inverter board 120 are all arranged in the shell 140; wherein, the main control board 130 is detachably and electrically connected to the first socket 111 and the first tab 112 of the BMS board 110 through the second socket 132 and the second tab 133, so that the BMS board 110 is electrically connected to the inverter board 120 through the electrical connection post 125; when the main control board 130 is separated from the BMS board 110, the BMS board 110 is disconnected from the inverter board 120.

Further, the first socket 111 is a positive socket, the first insert 112 is a negative insert, the second socket 132 is a negative socket, and the second insert 133 is a positive insert; alternatively, the first receptacle 111 is a negative receptacle, the first tab 112 is a positive tab, the second receptacle 132 is a positive receptacle, and the second tab 133 is a negative tab.

Further, the second electrical connector is an electrical connection post 125 supported between the BMS board 110 and the inverter board 120 in the vertical direction.

Example IV

Referring to fig. 1, 4, 5 and 12, the present invention further provides an energy storage device 100 including a case 140 and a battery module 150 disposed in the case 140, further including: the first circuit board, the second circuit board and the third circuit board.

Specifically, the first circuit board is a BMS board 110 electrically connected to the positive and negative output poles of the battery module 150; the second circuit board is an inverter board 120 including an inverter circuit, and the third circuit board may be a main control board 130 without an inverter circuit; when the inverter board 120 configuring the inverter circuit is connected with the BMS board 110 and the other main control board 130 not configuring the inverter circuit is not connected with the BMS board 110, the circuit between the inverter board 120 configuring the inverter circuit and the BMS board 110 is not conducted. The potential safety hazard of the circuit caused by the conduction of the BMS board 110 and the inverter board 120 when the installation is completed is avoided.

Further, the second circuit board and the third circuit board are adapted to be electrically and mechanically connected to the first circuit board, respectively. So as to facilitate the mutual assembly and disassembly and improve the assembly efficiency.

Further, the second circuit board and the third circuit board are connected with the first circuit board and electrically connected with each other by arranging an electric connection column or a wiring terminal or a male-female plug respectively.

Further, a circuit on-off device is arranged between the circuit board provided with the inverter circuit and the first circuit board, and the circuit on-off device is suitable for connecting the circuit board which is not provided with the inverter circuit with the first circuit board.

Further, the circuit on-off device is adapted to conduct the positive and negative output poles of the battery module 150 with the positive and negative poles of the inverter circuit through the first circuit board, and is only conducted when the circuit board without the inverter circuit is connected to the first circuit board.

Further, the circuit on-off device comprises a switch, and the switch is triggered when the circuit board without the inverter circuit is connected to the first circuit board. So as to keep the first circuit board and the circuit board provided with the inverter circuit in an off state before the switch is not triggered, and avoid the problem of circuit safety in the installation process of the first circuit board and the circuit board provided with the inverter circuit.

Further, the circuit on-off device comprises at least one connecting piece for maintaining open circuit, and the connecting piece for maintaining open circuit is connected and conducted when the circuit board without the inverter circuit is connected to the first circuit board. By arranging at least one connecting piece for maintaining open circuit, and only when the circuit board without the inverter circuit is connected to the first circuit board, the connecting piece for maintaining open circuit is connected and conducted; so that the problem of circuit safety in the process of installing the first circuit board and the circuit board provided with the inverter circuit is avoided when the first circuit board and the circuit board provided with the inverter circuit are installed.

Further, the circuit on-off device includes: a first electrical connector 124 and a third electrical connector 134.

Specifically, the first electrical connector 124 is disposed on the first circuit board; the third electrical connector 134 is disposed on the circuit board without the inverter circuit and is matched with the first electrical connector 124; wherein the first circuit board is connected with a circuit board provided with an inverter circuit through a second electric connecting piece 126; and the circuit board configuring the inverter circuit is conducted through the circuit between the second electrical connector 126 and the first circuit board only when the third electrical connector 134 is connected with the first electrical connector 124.

For example, one of the first electrical connector 124 and the third electrical connector 134 is a male connector, and the other is a female connector; wherein, the female plug-in is provided with a clamping opening, and when the male plug-in is clamped by the clamping opening, the inverter board 120, the main control board 130 and the BMS board 110 are electrically connected with each other.

Further, the inverter board 120 is connected to the main control board 130 through a second electrical connector 126, and the second electrical connector 126 is a plurality of electrical connection posts 125 and is disposed between the BMS board 110 and the inverter board 120 along a vertical direction at intervals.

Further, referring to fig. 13 and 14, the conventional main control board is generally configured as a single PCB board, which generally includes a display function and a PD function, however, the electronic circuit design of the display function is simpler, the wiring is less, the electronic circuit design of the PD function is more complex, the wiring is more and complex, so that the PCB board with higher cost needs to be selected to perform the functional design of the main control board 130, and the electronic circuit with the display function does not need to be designed and developed by adopting the PCB board with higher cost, which results in cost redundancy and waste.

In view of this, referring to fig. 13 and 14, the applicant has distinguished the main control board 130 into a display main control board 130' and a PD main control board 160 according to the corresponding functions, and electrically and communicatively connected the two through a fourth electrical connection 161; preferably, the fourth electrical connector 161 is in the form of a male-female plug-in for electrically connecting the PD main control board 160 and the display main control board 130'.

The PD main control board 160 is provided with a plurality of output interfaces for externally connecting electric equipment; the display main control board 130' comprises a display screen, and is mainly used for displaying the display states of the energy storage device, such as electric quantity.

Thus, the display main control board 130 'and the PD main control board 160 can respectively adopt different types of PCB boards, especially circuit boards with different layers, such as the display main control board 130' adopts a single layer board, the PD main control board 160 adopts a multi-layer board, for example, the PD main control board 160 adopts four layers, so as to effectively solve the cost redundancy and waste caused by the integration of the traditional display main control board 130 and the PD main control board 160 on one board.

In addition, referring to fig. 18 and 19, the fourth electrical connector 161 further preferably includes a main current connector 161a and a signal connector 161b to enable main current conduction between the display main control board 130 'and the PD main control board 160 through the main current connector 161a and signal conduction between the display main control board 130' and the PD main control board 160 through the signal connector 161b, wherein the main current connector 161a preferably employs a male-female butt terminal connector such as the XT60 connector, and the signal connector 161b preferably employs a board-to-board connector such as the male-female hub connector.

Example five

Referring to fig. 1, 12, 15, 16 and 17, the present invention also provides an energy storage device 100 comprising: the case 140, the BMS board 110, the inverter board 120, and the main control board 130.

Specifically, the BMS board 110 includes only the first sockets 111 and the first insertion pieces 112, and the first sockets 111 and the first insertion pieces 112 are spaced apart from each other; the inverter board 120 is detachably connected to the BMS board 110 through the second electrical connector 126, and is disposed at a distance from each other; the main control board 130 is provided with a second socket 132 and a second inserting sheet 133 which are arranged at intervals; the first inserting pieces 112 are arranged in one-to-one correspondence with the second sockets 132, and the second inserting pieces 133 are arranged in one-to-one correspondence with the first sockets 111; the main control board 130, the BMS board 110 and the inverter board 120 are all arranged in the shell 140; wherein, the main control board 130 is detachably and electrically connected to the first socket 111 and the first tab 112 of the BMS board 110 through the second socket 132 and the second tab 133, so that the BMS board 110 is electrically connected to the inverter board 120 through the electrical connection post 125; when the main control board 130 is separated from the BMS board 110, the BMS board 110 is disconnected from the inverter board 120.

Further, the first socket 111 includes: the two elastic sheets 123 are arranged at intervals to form a clamping opening matched with the second inserting sheet 133; one of the two elastic pieces 123 is connected with the first electrode connecting end, and the other elastic piece is connected with the second electrode connecting end; the first tab 112 is connected to the first electrode connection end of the BMS board 110 and the second electrode connection end of the inverter board 120, respectively.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The above-described embodiments of the apparatus are merely illustrative, and, for example, functional modules in various embodiments of the present invention may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims

1. An energy storage device, comprising:

a housing (140);

a BMS board (110) provided with a first electrical connector;

the inverter board (120) is detachably connected to the BMS board (110) through a second electric connector and is arranged at intervals with the BMS board (110);

the main control board (130) is provided with a third electric connecting piece matched with the first electric connecting piece; the main control board (130), the BMS board (110) and the inverter board (120) are arranged in the shell (140);

When the first electric connector is connected with the third electric connector, the first electric connector, the second electric connector and the third electric connector form a circuit loop, so that the BMS board (110) and the inverter board (120) are conducted; when the first electric connector is separated from the third electric connector, an open circuit is formed between the BMS board (110) and the second electric connector and between the BMS board and the inverter board (120), and the BMS board (110) is disconnected from the inverter board (120).

2. The energy storage device of claim 1, wherein one of the first electrical connector and the third electrical connector is a male connector and the other is a female connector;

wherein, female plug-in components are equipped with the clamp mouth, when pressing from both sides mouthful centre gripping male plug-in components, contravariant board (120), main control board (130) with BMS board (110) are electric connection each other.

3. The energy storage device according to claim 2, wherein the BMS board (110) is provided with a first electrode connection end; the inverter board (120) is provided with a second electrode connecting end; the main control board (130) is provided with a third electrode connecting end;

the female plug-in comprises at least three sockets (122) which are arranged at intervals; one end of each socket (122) is provided with the clamping opening;

The male plug-in comprises a plurality of inserting pieces (131) which are arranged at intervals, and the inserting pieces (131) are arranged in one-to-one correspondence with the clamping openings;

wherein the first electrode connecting end and the second electrode connecting end are respectively connected with the socket (122), and the third electrode connecting end is connected with the inserting sheet (131); when the insertion sheet (131) is inserted into the corresponding nip, the BMS board (110) is in conduction with the inverter board (120).

4. The energy storage device of claim 3, wherein the number of sockets (122) is three, wherein two sockets (122) are homopolar sockets and the other is a counterpolar socket; one end of the counter electrode socket is connected with the first electrode connecting end and is connected with the second electrode connecting end at the same time; one of the homopolar sockets is connected with the first electrode connecting end, and the other socket is connected with the second electrode connecting end.

5. The energy storage device of claim 3, wherein when the number of sockets (122) is greater than three, and only one is an opposite-pole socket, the remainder are homopole sockets; only the counter electrode socket is arranged at the first electrode connecting end and is connected with the second electrode connecting end at the same time; at least one homopolar socket in the rest homopolar sockets is connected with the first electrode connecting end, and at least one homopolar socket is connected with the second electrode connecting end.

6. The energy storage device of claim 3, wherein when said number of receptacles (122) is greater than three and there are a plurality of counter-pole receptacles and a plurality of homopole receptacles,

at least one of the counter-electrode sockets and at least one of the homopolar sockets are connected with a first electrode connecting end;

at least one of the opposite-pole sockets and at least one of the same-pole sockets are connected with a second electrode connecting end;

when at least one opposite-pole socket is connected with the first electrode connecting end and the second electrode connecting end at the same time, each same-pole socket is connected with only one of the first electrode connecting end and the second electrode connecting end; or when at least one homopolar socket is connected with the first electrode connecting end and the second electrode connecting end simultaneously, each antipole socket is connected with only one of the first electrode connecting end and the second electrode connecting end.

7. The energy storage device of claim 3, wherein when said number of receptacles (122) is greater than three and there are a plurality of counter-pole receptacles and a plurality of homopole receptacles,

And each of the sockets (122) is connected to only one of the first electrode connection terminal and the second electrode connection terminal.

8. The energy storage device of any of claims 4-7, wherein the counter-pole receptacle is a negative-pole receptacle and the homopole receptacle is a positive-pole receptacle; or, the reverse electrode socket is a positive electrode socket, and the homopolar socket is a negative electrode socket.

9. The energy storage device of claim 8, wherein the energy storage device comprises a housing,

the first electrode connection terminal includes: the first positive electrode connecting end and the first negative electrode connecting end;

the second electrode connection terminal includes: the second positive electrode connecting end and the second negative electrode connecting end;

the third electrode connection terminal includes: the third positive electrode connecting end and the third negative electrode connecting end;

the first positive electrode connecting end and the second positive electrode connecting end are used for correspondingly connecting the positive electrode socket; the first negative electrode connecting end and the second negative electrode connecting end are used for correspondingly connecting the negative electrode socket; the third positive electrode connecting end and the third negative electrode connecting end are respectively connected with the inserting piece (131).

10. An energy storage device, comprising:

a housing (140);

a BMS board (110);

the inverter board (120) is detachably connected with the BMS board (110) and is arranged at intervals;

An electric connection column (125) supported between the BMS board (110) and the inverter board (120) in a vertical direction;

the main control board (130) is detachably and electrically connected with the BMS board (110); and are arranged in the shell (140) together with the BMS plate (110) and the inverter plate (120);

wherein, one of the main control board (130) and the BMS board (110) is provided with a female plug-in unit, and the other is provided with a male plug-in unit which is matched with each other; when the main control board (130) and the BMS board (110) are electrically connected with the male plug-in unit through the female plug-in unit, the BMS board (110) is communicated with the inverter board (120) through the electric connecting column (125); when the main control board (130) is separated from the BMS board (110), the BMS board (110) is disconnected from the inverter board (120).

11. The energy storage device of claim 10, wherein the electrical connection posts (125) are provided in plurality and spaced apart from each other.

12. The energy storage device of claim 10, wherein the female plug is provided with a clip opening, and wherein the female plug, the male plug and the electrical connection post (125) form a circuit loop when the male plug is clamped by the clip opening.

13. An energy storage device, comprising:

A housing (140);

a BMS board (110) provided with at least one first socket (111) and at least two first inserting pieces (112) which are arranged at intervals; or at least two first sockets (111) and at least one first inserting sheet (112) which are arranged at intervals are arranged;

the inverter board (120) is detachably connected to the BMS board (110) through a second electric connector and is arranged at intervals;

the main control board (130) is provided with a second socket (132) and a second inserting sheet (133) which are arranged at intervals; the first inserting sheets (112) are arranged in one-to-one correspondence with the second sockets (132), and the second inserting sheets (133) are arranged in one-to-one correspondence with the first sockets (111); the main control board (130), the BMS board (110) and the inverter board (120) are arranged in the shell (140);

wherein the main control board (130) is detachably and electrically connected to the first socket (111) and the first tab (112) of the BMS board (110) through the second socket (132) and the second tab (133), so that the BMS board (110) is conducted with the inverter board (120) through the second electrical connector; when the main control board (130) is separated from the BMS board (110), the BMS board (110) is disconnected from the inverter board (120).

14. The energy storage device of claim 13, wherein the first receptacle (111) is a positive receptacle, the first tab (112) is a negative tab, the second receptacle (132) is a negative receptacle, and the second tab (133) is a positive tab; or, the first socket (111) is a negative electrode socket, the first inserting piece (112) is a positive electrode inserting piece, the second socket (132) is a positive electrode socket, and the second inserting piece (133) is a negative electrode inserting piece.

15. The energy storage device of any of claims 13-14, wherein the second electrical connection is an electrical connection post (125) supported between the BMS board (110) and the inverter board (120) in a vertical direction.

16. An energy storage device comprising a housing (140) and a battery module (150) disposed within the housing (140), characterized by further comprising:

a first circuit board electrically connected to the positive and negative output electrodes of the battery module (150);

a second circuit board and a third circuit board adapted to be connected to the first circuit board, respectively;

wherein one of the second circuit board and the third circuit board is configured to include at least an inverter circuit;

when the circuit board provided with the inverter circuit is connected with the first circuit board and the other circuit board not provided with the inverter circuit is not connected with the first circuit board, the circuit between the circuit board provided with the inverter circuit and the first circuit board is not conducted.

17. The energy storage device of claim 16, wherein the second circuit board and the third circuit board are adapted to be electrically and mechanically connected to the first circuit board, respectively.

18. The energy storage device of claim 17, wherein the second circuit board and the third circuit board are electrically connected to and from the first circuit board by providing electrical connection posts or terminals or male and female inserts, respectively.

19. The energy storage device of claim 16, wherein a circuit on-off device is disposed between the circuit board configured with the inverter circuit and the first circuit board, the circuit on-off device being adapted to connect the circuit board not configured with the inverter circuit with the first circuit board.

20. The energy storage device of claim 19, wherein the circuit switching device is adapted to conduct the positive and negative output poles of the battery module (150) to the positive and negative poles of the inverter circuit through the first circuit board, and only when the circuit board without the inverter circuit is connected to the first circuit board.

21. The energy storage device of claim 19 or 20, wherein said circuit on-off device comprises a switch and said switch is triggered to turn on when said circuit board without said inverter circuit is connected to said first circuit board.

22. The energy storage device of claim 19 or 20, wherein the circuit breaking device comprises at least one connection that maintains a circuit break and is configured to connect the connection that maintains the circuit break on when the circuit board without the inverter circuit is connected to the first circuit board.

23. The energy storage device of claim 22, wherein said circuit switching device comprises:

a first electrical connection (124) disposed on the first circuit board;

a third electrical connector (134) disposed on the circuit board without the inverter circuit and configured to cooperate with the first electrical connector (124);

wherein the first circuit board is connected with the circuit board provided with the inverter circuit through a second electric connecting piece (126); and the circuit board provided with the inverter circuit is conducted with the first circuit board through the second electric connecting piece (126) only when the third electric connecting piece (134) is connected with the first electric connecting piece (124).

24. An energy storage device, comprising:

a housing (140);

a BMS board (110) comprising only a first socket (111) and a first insert sheet (112), wherein the first socket (111) and the first insert sheet (112) are arranged at intervals;

25. The energy storage device of claim 24, wherein the first receptacle (111) comprises:

the two elastic sheets (123) are arranged at intervals and form a clamping opening matched with the second inserting sheet (133);

wherein, the first inserting sheet (112) is respectively connected with a first electrode connecting end of the BMS board (110) and a second electrode connecting end of the inverter board (120); one of the two elastic sheets (123) is connected with the first electrode connecting end, and the other elastic sheet is connected with the second electrode connecting end.