CN211655776U

CN211655776U - Energy storage battery system

Info

Publication number: CN211655776U
Application number: CN202020087194.4U
Authority: CN
Inventors: 郑大为; 彭宪州; 胡椰; 雷兆阳
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-09
Anticipated expiration: 2030-01-15

Abstract

An energy storage battery system comprises a control chip MBCU and a self-starting circuit, wherein the control chip MBCU is connected with a battery module, the self-starting circuit comprises a relay KM and a switching device SB, two contacts of the relay KM are respectively connected with a power supply circuit and the control chip MBCU, and a control coil L of the relay KM can attract the two contacts of the relay KM when being electrified, so that the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM; for control coil L power supply when switching device SB closes, control coil L circular telegram and two contacts of actuation relay KM make supply circuit for control chip MBCU power supply through two contacts of relay KM, control chip MBCU circular telegram back is through the power supply of two IO output for control coil L, control coil L keeps two contacts of actuation relay KM, make supply circuit keep supplying power for control chip MBCU, make control chip MBCU can keep the control mode of power supply by oneself after starting.

Description

Energy storage battery system

Technical Field

The utility model relates to an energy storage battery field especially relates to an energy storage system's energy storage battery system.

Background

At present energy storage battery system, the most part adopts ship type switch as the last electric start control of battery management system BMS, and the low pressure power supply through ship type switch direct control battery management system BMS, however, ship type switch can not accomplish to prevent touching the design, and the ship type switch of falling down carelessly can make the battery management system BMS outage of having gone up electricity, not only can't guarantee to last the power supply for battery management system BMS, and the state of low-power consumption dormancy all the time before starting to go up electricity in addition has certain waste to the energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a battery management system that even turn-off switch device SB also can keep the power supply by oneself after starting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an energy storage battery system comprises a control chip MBCU and a self-starting circuit, wherein the control chip MBCU is connected with a battery module, the self-starting circuit comprises a relay KM and a switching device SB, two contacts of the relay KM are respectively connected with a power supply circuit and the control chip MBCU, and a control coil L of the relay KM can attract the two contacts of the relay KM when being electrified, so that the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM; the control coil L is connected between two ends of a power supply circuit after being connected with the switch device SB in series, two ends of the control coil L are respectively connected to two IO output ends of the control chip MBCU in parallel, the switch device SB supplies power to the control coil L when being closed, the control coil L is electrified and attracts two contacts of the relay KM, the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM, the control coil L supplies power to the control coil L through the two IO output ends after the control chip MBCU is electrified, the control coil L keeps attracting the two contacts of the relay KM, and the power supply circuit keeps supplying power to the control chip MBCU.

Preferably, the switch device SB is a self-resetting push-button switch.

Preferably, the power supply voltages of the two IO output ends of the control chip MBCU are equal to the power supply voltages of the two ends of the power supply circuit.

Preferably, the battery pack comprises a plurality of groups of battery modules, and a plurality of groups of control chips MBCU and self-starting circuits which are respectively in one-to-one correspondence with the plurality of groups of battery modules, wherein each group of control chips MBCU is respectively connected with the power supply circuit through the corresponding self-starting circuit.

Preferably, the system comprises a battery system consisting of a plurality of battery modules and a battery management system BMS connected with the plurality of battery modules, wherein the battery management system BMS is connected with an energy storage inverter PCS, and the energy storage inverter PCS is sequentially connected with an AC power distribution system and a bidirectional electric meter.

Preferably, the battery management system BMS includes a plurality of slave SBMUs for acquiring operation state information of the battery module and a control chip MBCU connected to the plurality of slave SBMUs; a plurality of from accuse SBMU respectively one-to-one with a plurality of battery module be connected, follow accuse SBMU setting in the battery module that corresponds, control chip MBCU and self-starting circuit set up in the energy storage control box, are equipped with the button that corresponds with self-starting circuit's switching device SB on the panel of energy storage control box.

Preferably, including the rack, a plurality of battery module and the range upon range of installation of energy storage control box are on the rack, and the battery module passes through the wire and is connected with the energy storage control box, still is equipped with radiator fan on the rack.

Preferably, the inboard of rack is equipped with skeleton texture, and a plurality of battery modules and energy storage control box range upon range of installation are on skeleton texture, and skeleton texture includes two at least relatively supporting mechanism that set up to and at least one crossbeam that sets up between two relative supporting mechanism, and two supporting mechanism's inboard side is equipped with the support that is used for installing the crossbeam respectively, supporting mechanism, crossbeam and support are made by magnetic material, and the both ends of crossbeam are connected with the surface of two supports respectively, and the at least one support is equipped with on the surface and separates the magnetic stripe, separates the magnetic stripe and is located between the tip of crossbeam and supporting mechanism's the side.

Preferably, the supporting mechanisms comprise vertical columns and G-shaped cross beams which are vertically arranged, the G-shaped cross beams are connected with the side faces of one sides of the vertical columns and located in the same vertical plane, the planes where the two supporting mechanisms are located are arranged in parallel, and the supports are connected with the vertical columns and/or the G-shaped cross beams.

The utility model discloses an energy storage battery system, control chip MBCU can be the power supply of control coil L by oneself after the circular telegram, even can not cut off the power supply after turn-off switching device SB turns off control coil L yet, make control chip MBCU can keep the control mode of power supply by oneself after starting, moreover before starting the electricity, control chip MBCU can realize completely down the electricity, does not have low-power consumption dormancy, reduces the self-consuming electricity of power consumption state down.

Drawings

Fig. 1 is a circuit diagram of a self-starting circuit according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a framework structure according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of fig. 2 according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the embodiment of the present invention after being assembled in fig. 3.

Detailed Description

The following provides an example with reference to fig. 1 to 4, which further illustrates the embodiment of the energy storage battery system of the present invention. The energy storage battery system of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1, the energy storage battery system of the present invention includes a control chip MBCU and a self-starting circuit connected to a battery module, the self-starting circuit includes a relay KM and a switch device SB, two contacts of the relay KM are respectively connected to a power supply circuit and the control chip MBCU, and a control coil L of the relay KM can attract the two contacts of the relay KM when energized, so that the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM;

the control coil L is connected between two ends of a power supply circuit after being connected with the switch device SB in series, two ends of the control coil L are respectively connected to two IO output ends of the control chip MBCU in parallel, the switch device SB supplies power to the control coil L when being closed, the control coil L is electrified and attracts two contacts of the relay KM, the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM, the control coil L supplies power to the control coil L through the two IO output ends after the control chip MBCU is electrified, the control coil L keeps attracting the two contacts of the relay KM, and the power supply circuit keeps supplying power to the control chip MBCU.

The utility model discloses an energy storage battery system, earlier supply power for control chip MBCU through switching device SB, control chip MBCU can supply power for control coil L by oneself after the circular telegram, even turn-off switching device SB stops the power supply, relay KM can not cut off the power supply yet, make control chip MBCU can keep the control mode of power supply by oneself after starting, and before starting the electricity, control chip MBCU can realize completely down the electricity, do not have low-power consumption dormancy, reduce the self-consuming electricity of power-down state.

As shown in fig. 1-2, the energy storage battery system of the present invention includes a control chip MBCU and a self-starting circuit connected to a battery module, the self-starting circuit includes a relay KM and a switch device SB, two contacts of the relay KM are respectively connected to a power supply circuit and the control chip MBCU, and a control coil L of the relay KM can attract the two contacts of the relay KM when being powered on, so that the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM; the control coil L is connected between two ends of a power supply circuit after being connected with the switch device SB in series, two ends of the control coil L are respectively connected to two IO output ends of the control chip MBCU in parallel, the switch device SB supplies power to the control coil L when being closed, the control coil L is electrified and attracts two contacts of the relay KM, the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM, the control coil L supplies power to the control coil L through the two IO output ends after the control chip MBCU is electrified, the control coil L keeps attracting the two contacts of the relay KM, and the power supply circuit keeps supplying power to the control chip MBCU.

The energy storage system is used for an industrial and commercial energy storage high-voltage box, the relay KM is a 24V low-voltage relay arranged at the positive electrode of the input end of a 24V power supply loop of the control chip MBCU, the control coil L is also 24V, the positive electrode of a main contact of the low-voltage relay is connected with the 24V power supply end of the power supply circuit, the negative electrode of the low-voltage relay is connected to the 24V input end of the control chip MBCU, and the negative electrode of the control chip MBCU is directly connected to the negative electrode of an external power supply of;

the switching device SB is a self-reset button switch, the positive pole of a control coil of the low-voltage relay is connected to one side of the low-voltage relay close to the positive pole of a 24V power supply of an external power supply circuit through the self-reset button switch, the negative pole of the control coil L is directly connected to the negative pole of the 24V power supply end of the power supply circuit, and meanwhile, the positive pole and the negative pole of the control coil L are connected in parallel to two IO output ends consisting of a K + port and a K-port of the control chip MBCU respectively. The switching device SB adopts a self-reset button switch, the self-reset button switch 3s is pressed for a long time to supply power to the control chip MBCU, the self-reset button switch can automatically reset and turn off the power supply of an external power supply circuit after being loosened, and the control chip MBCU is switched to supply power to the control coil L without manual or electronic equipment active turn-off, the self-reset button switch is the same control logic when the energy storage system is powered off, and the self-reset button switch 3s is pressed for a long time to be loosened, so that the control chip MBCU controls the K + port and the K-port to stop supplying power to the control coil L after being identified, the low-voltage relay is disconnected, and the energy storage system is completely powered off. Further, the supply voltage of two IO output ends of control chip MBCU equals the supply voltage at supply circuit both ends for when industrial and commercial energy storage high-voltage box, the supply voltage of two IO output ends of control chip MBCU and the supply voltage at supply circuit both ends are 24V, and when the BMS that is used for family's energy storage battery package starts, the supply voltage of two IO output ends of control chip MBCU and the supply voltage at supply circuit both ends are 12V.

The energy storage system of this embodiment includes the battery system that a plurality of battery module are constituteed to and the battery management system BMS who links to each other with a plurality of battery modules, and battery management system BMS links to each other with energy storage inverter PCS, and energy storage inverter PCS links to each other with AC distribution system, two-way ammeter in proper order, and two-way ammeter direct output 480V's alternating voltage also can export 380V's alternating voltage through the transformer, is used for inputing public power grid and for the load power supply. Preferably, the battery management system BMS includes a plurality of slave SBMUs for acquiring operation state information of the battery module and a control chip MBCU connected to the plurality of slave SBMUs; a plurality of from accuse SBMU respectively one by one with a plurality of battery module are connected, from accuse SBMU setting in the battery module that corresponds, gather the temperature information of battery module, outputtable power etc. a plurality of battery modules are installed on the rack, control chip MBCU and self-starting circuit set up in the energy storage control box, be equipped with the button that corresponds with self-starting circuit's switching device SB on the panel of energy storage control box, control chip MBCU is used for gathering the outputtable power of each battery module and obtains battery system outputtable power of system. A plurality of battery module are connected with energy storage inverter PCS electricity through energy storage control box, and control chip MBCU passes through CAN bus or RS485 communication mode and links to each other with energy storage inverter PCS.

Further, a plurality of battery modules and energy storage control box range upon range of installation on the rack, and the battery module passes through the wire to be connected with energy storage control box, still is equipped with radiator fan on the rack. And the energy storage control box is provided with an indicator lamp and an emergency stop switch, the emergency stop switch is connected in series with the positive power input end of the control chip MBCU and used for cutting off the working power supply of the battery management system BMS, and the indicator lamp and the red indicator lamp are connected with the control chip MBCU through the emergency stop switch.

As shown in fig. 2-4, a framework structure is arranged on the inner side of the cabinet, the plurality of battery modules and the energy storage control box are mounted on the framework structure in a stacked manner, the framework structure includes at least two oppositely-arranged support mechanisms and at least one cross beam 300 arranged between the two oppositely-arranged support mechanisms, the inner side surfaces of the two support mechanisms are respectively provided with a support 200 for mounting the cross beam 300, two ends of the cross beam 300 are respectively connected with the surfaces of the two supports 200, the support mechanisms, the cross beam 300 and the support 200 are made of magnetic conductive materials, a magnetic isolation strip 210 is arranged on the surface of at least one support 200, and the magnetic isolation strip 210 is located between the end of the cross beam 300 and the side surface of the support mechanism. The two ends of the beam 300 are respectively installed on the surface of the bracket 200 at the inner side of the two supporting mechanisms, and the magnetic isolation strips 210 on the surface of the bracket 200 enable the end of the beam 300 and the inner side surface of the supporting mechanisms to be arranged at intervals, so that the beam 300 is prevented from contacting with the supporting mechanisms at the two ends. Skeleton texture adopts magnetic materials to make usually, like iron, when unbalanced current passes through confined annular skeleton texture, skeleton texture can provide the magnetic path to the production of vortex, influence system's stability, the utility model discloses a setting separates magnetic stripe 210, avoids the supporting mechanism contact at crossbeam 300 and both ends for unbalanced current can not provide the magnetic path to the production of vortex when passing through.

Further, the supporting mechanism includes vertical column 100 and G-shaped beam 400 that set up perpendicularly, and G-shaped beam 400 is connected and is located same vertical plane with the side of vertical column 100 one side, and the plane parallel arrangement that two supporting mechanism belonged to, support 200 is connected with vertical column 100 and/or G-shaped beam 400. According to the actual work needs, supporting mechanism may not set up G type crossbeam 400, even supporting mechanism sets up G type crossbeam 400, and support 200 can install alone on stand 100, also can install alone at G type crossbeam 400, also can one end be connected with stand 100, and the other end is connected with crossbeam 400, all belong to the utility model discloses a protection scope

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An energy storage battery system, characterized by: the battery power supply system comprises a control chip MBCU and a self-starting circuit, wherein the control chip MBCU is connected with a battery module, the self-starting circuit comprises a relay KM and a switching device SB, two contacts of the relay KM are respectively connected with a power supply circuit and the control chip MBCU, and a control coil L of the relay KM can attract the two contacts of the relay KM when being electrified, so that the power supply circuit supplies power for the control chip MBCU through the two contacts of the relay KM; the control coil L is connected between two ends of a power supply circuit after being connected with the switch device SB in series, two ends of the control coil L are respectively connected to two IO output ends of the control chip MBCU in parallel, the switch device SB supplies power to the control coil L when being closed, the control coil L is electrified and attracts two contacts of the relay KM, the power supply circuit supplies power to the control chip MBCU through the two contacts of the relay KM, the control coil L supplies power to the control coil L through the two IO output ends after the control chip MBCU is electrified, the control coil L keeps attracting the two contacts of the relay KM, and the power supply circuit keeps supplying power to the control chip MBCU.

2. The energy storage battery system of claim 1, wherein: the switching device SB is a self-resetting button switch.

3. The energy storage battery system of claim 1, wherein: and the power supply voltage of the two IO output ends of the control chip MBCU is equal to the power supply voltage of the two ends of the power supply circuit.

4. The energy storage battery system of claim 1, wherein: the battery pack comprises a plurality of groups of battery modules, and a plurality of groups of control chips MBCU and self-starting circuits which are respectively in one-to-one correspondence with the plurality of groups of battery modules, wherein each group of control chips MBCU is respectively connected with a power supply circuit through the corresponding self-starting circuit.

5. The energy storage battery system of claim 1, wherein: the battery management system BMS is connected with the energy storage inverter PCS, and the energy storage inverter PCS is sequentially connected with the AC power distribution system and the bidirectional electric meter.

6. The energy storage battery system of claim 5, wherein: the battery management system BMS comprises a plurality of slave control SBMUs and control chips MBCU, wherein the plurality of slave control SBMUs are used for collecting the running state information of the battery module; a plurality of from accuse SBMU respectively one-to-one with a plurality of battery module be connected, follow accuse SBMU setting in the battery module that corresponds, control chip MBCU and self-starting circuit set up in the energy storage control box, are equipped with the button that corresponds with self-starting circuit's switching device SB on the panel of energy storage control box.

7. The energy storage battery system of claim 5, wherein: the multifunctional energy storage cabinet comprises a cabinet body, a plurality of battery modules and an energy storage control box are mounted on the cabinet body in a stacked mode, the battery modules are connected with the energy storage control box through wires, and a cooling fan is further arranged on the cabinet body.

8. The energy storage battery system of claim 7, wherein: the inboard of rack is equipped with skeleton texture, and a plurality of battery module and energy storage control box range upon range of installation are on skeleton texture, and skeleton texture includes the supporting mechanism of two at least relative settings to and crossbeam (300) of at least one setting between two relative supporting mechanism, and the inboard side of two supporting mechanism is equipped with support (200) that are used for installing crossbeam (300) respectively, supporting mechanism, crossbeam (300) and support (200) are made by magnetic material, and the both ends of crossbeam (300) are connected with the surface of two supports (200) respectively, and the surface of at least one support (200) is equipped with on being equipped with separates magnetic stripe (210), separates magnetic stripe (210) and is located between the tip of crossbeam (300) and supporting mechanism's side.

9. The energy storage battery system of claim 8, wherein: the supporting mechanism comprises a vertical column (100) and a G-shaped cross beam (400) which are vertically arranged, the G-shaped cross beam (400) is connected with the side face of one side of the vertical column (100) and is positioned in the same vertical plane, the planes where the two supporting mechanisms are arranged are parallel, and the support (200) is connected with the vertical column (100) and/or the G-shaped cross beam (400).