Energy storage system control box and energy storage system

Abstract

The utility model relates to an energy storage system control box and an energy storage system. The energy storage system control box comprises a shell and a containing cavity defined by the shell. One side of the shell serves as a control panel of the energy storage system control box, the control panel comprises a first panel area and a second panel area which are isolated from each other, the containing cavity comprises a first containing space and a second containing space which are isolated from each other, the first containing space is right opposite to the first panel area, and the second containing space is right opposite to the second panel area; the first panel area is provided with a high-voltage connector which can be connected with a target battery cluster and a target energy storage converter, and the first accommodating space is provided with a detection circuit which is connected with the high-voltage connector and can detect the target battery cluster; and the second panel area is provided with an early warning unit, and the second accommodating space is provided with a battery cluster management circuit which is connected with the early warning unit and can manage the target battery cluster. The energy storage system control box can effectively reduce signal interference.

Description

Technical Field

[0001] The present application relates to the technical field of control boxes, and particularly to an energy storage system control box and an energy storage system. Background Art

[0002] The energy storage system control box is used to achieve the function of safely protecting the energy storage system. In the control box, there are both high-voltage devices that can safely control large currents and low-voltage devices that constitute a low-voltage control system.

[0003] In the prior art, usually, for the consideration of the space utilization rate of the energy storage system control box, the layout of the high-voltage devices and low-voltage devices in the energy storage system control box is set.

[0004] However, the energy storage system control box adopting this layout method has the problem of signal interference. Utility Model Content

[0005] Based on this, in view of the above technical problems, it is necessary to provide an energy storage system control box and an energy storage system that can reduce signal interference.

[0006] In a first aspect, the present application provides an energy storage system control box, including: a housing and a receiving cavity surrounded by the housing; one side of the housing serves as the control panel of the energy storage system control box, and the control panel includes a first panel area and a second panel area that are isolated from each other. The receiving cavity includes a first receiving space and a second receiving space that are isolated from each other. Among them, the first receiving space faces the first panel area, and the second receiving space faces the second panel area;

[0007] The first panel area is provided with a high-voltage connector that can be connected to a target battery cluster and a target energy storage inverter. The first receiving space is provided with a detection circuit that is connected to the high-voltage connector and can detect the target battery cluster;

[0008] The second panel area is provided with an early warning unit. The second receiving space is provided with a battery cluster management circuit that is connected to the early warning unit and can manage the target battery cluster.

[0009] In one embodiment, the detection circuit includes a disconnector, a copper bar, a fuse, and a contactor; among them, the fuse is connected to the copper bar and the contactor, and the contactor is connected to the disconnector.

[0010] In one embodiment, the detection circuit includes a first detection circuit and a second detection circuit. The first detection circuit further includes a transducer. The copper busbar includes a first copper busbar and a second copper busbar. The fuse includes a first fuse and a second fuse. The contactor includes a first contactor and a second contactor. In the first detection circuit, the first fuse is connected to the first copper busbar and the transducer. The first contactor is connected to the disconnect switch and the transducer. In the second detection circuit, the second fuse is connected to the second copper busbar and the second contactor. The second contactor is connected to the disconnect switch.

[0011] In one embodiment, the high-voltage connector includes a battery interface connectable to the target battery cluster and a charge-discharge interface connectable to the target energy storage converter. The battery interface includes a first battery interface and a second battery interface. The charge-discharge interface includes a first charge-discharge interface and a second charge-discharge interface. The first copper busbar is connected to the first battery interface and the first fuse. The transducer is connected to the first fuse and the first contactor. The disconnect switch is connected to the first charge-discharge interface and the first contactor. The second copper busbar is connected to the second battery interface and the second fuse. The second contactor is connected to the second fuse and the disconnect switch. The disconnect switch is connected to the second charge-discharge interface.

[0012] In one embodiment, the first detection circuit further includes a pre-charge circuit for pre-charging detection of the target battery cluster. The pre-charge circuit includes a pre-charge contactor and a pre-charge resistor. The pre-charge resistor and the pre-charge contactor are connected in parallel. The pre-charge contactor and the first contactor are connected in parallel.

[0013] In one embodiment, a disconnect switch control unit is further provided between the first panel area and the second panel area. The disconnect switch control unit is connected to the disconnect switch. By adjusting the disconnect switch control unit, the disconnection and connection of the disconnect switch are controlled to control the first detection circuit and the second detection circuit.

[0014] In one embodiment, the battery cluster management circuit includes a battery cluster management device and a protection circuit. A power supply control unit for controlling the power supply state of the battery cluster management device is further provided in the second panel area. The power supply control unit is connected to a power supply device for supplying power to the battery cluster management device. The protection circuit is respectively connected to the power supply device and the battery cluster management device.

[0015] In one embodiment, a first control interface is further provided in the second panel area. The first control interface is connected to the management system of the target battery pack included in the target battery cluster.

[0016] In one embodiment, a second control interface is further provided in the second panel area, and the second control interface is connected to a management system of a target battery stack including the target battery cluster.

[0017] In a second aspect, the present application further provides an energy storage system, including the energy storage system control box in any one of the embodiments in the first aspect above.

[0018] For the above-mentioned energy storage system control box and energy storage system, the energy storage system control box includes a housing and a receiving cavity surrounded by the housing; one side of the housing serves as the control panel of the energy storage system control box, and the control panel includes a first panel area and a second panel area that are isolated from each other. The receiving cavity includes a first receiving space and a second receiving space that are isolated from each other. Among them, the first receiving space faces the first panel area, and the second receiving space faces the second panel area; the first panel area is provided with a high-voltage connector that can be connected to a target battery cluster and a target energy storage converter, and the first receiving space is provided with a detection circuit that is connected to the high-voltage connector and can detect the target battery cluster; the second panel area is provided with an early warning unit, and the second receiving space is provided with a battery cluster management circuit that is connected to the early warning unit and can manage the target battery cluster. The energy storage system control box provided by the present application separates high-voltage devices and low-voltage devices both on the control panel and inside the housing, achieving high-voltage and low-voltage separation, and thus can effectively reduce signal interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for describing the embodiments of the present application or related technologies. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a structural block diagram of an energy storage system control box in one embodiment;

[0021] Figure 2 It is a structural block diagram of a detection circuit in one embodiment;

[0022] Figure 3 It is a structural block diagram of an energy storage system control box in another embodiment;

[0023] Figure 4 It is a structural block diagram of a control panel in one embodiment;

[0024] Figure 5 It is a structural schematic diagram of a control panel in one embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the objectives, technical solutions and advantages of the present application more clear and understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] In the present application, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0027] In the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In the description of the present application, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise clearly and specifically defined.

[0028] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0029] In an exemplary embodiment, as Figure 1 shown, a control box 100 for an energy storage system is provided. The control box 100 for the energy storage system includes a housing 101 and a receiving cavity surrounded by the housing 101. One surface of the housing 101 serves as a control panel 102 of the control box 100 for the energy storage system. The control panel 102 includes a first panel area 1021 and a second panel area 1022 that are isolated from each other. The receiving cavity includes a first receiving space 1011 and a second receiving space 1012 that are isolated from each other. Among them, the first receiving space 1011 faces the first panel area 1021, and the second receiving space 1012 faces the second panel area 1022.

[0030] Among them, in the first panel area 1021, a high-voltage connector 201 is provided, which can be connected to a target battery cluster (not shown in the figure) and a target energy storage converter (not shown in the figure). In the first accommodation space 1011, a detection circuit 301 is provided, which is connected to the high-voltage connector 201 and can detect the target battery cluster. In the second panel area 1022, an early warning unit 401 is provided, and in the second accommodation space 1012, a battery cluster management circuit 501 is provided, which is connected to the early warning unit 401 and can manage the target battery cluster.

[0031] Optionally, the energy storage system control box 100 refers to a component in the energy storage system used to manage and monitor the target battery cluster. It can ensure the stable operation of the target battery cluster by collecting data and signals in real time and applying internal control logic.

[0032] The control panel 102 refers to a key interface in the energy storage system for comprehensive management and control, which undertakes important functions such as system monitoring, data analysis, fault diagnosis, and power regulation.

[0033] Exemplarily, as described above, one side of the housing 101 is the control panel 102. The accommodation cavity surrounded by the housing 101 can be in the shape of a cuboid. The cuboid has a total of six faces, namely the upper top surface, the lower bottom surface, the left side surface, the right side surface, the front surface, and the back surface. One of the sides that can be used as the control panel 102 is the front surface or the back surface.

[0034] Furthermore, the size of the accommodation cavity surrounded by the housing 101 can be set by technicians according to actual needs. The material of the housing 101 can also be set by technicians according to actual needs, such as aluminum alloy material, steel material, and fiberglass material.

[0035] A battery cluster refers to a larger battery combination formed by connecting multiple battery monomers in series, parallel, or series-parallel. The target battery cluster refers to the battery cluster connected to the energy storage system control box among multiple battery clusters.

[0036] The energy storage converter (PCS, Power Conversion System) refers to a key device connecting the energy storage system and the power grid, which can control the charging and discharging processes of the target battery cluster and perform AC-DC conversion. The target energy storage converter refers to the energy storage converter connected to the energy storage system control box 100.

[0037] The high-voltage connector 201 refers to a device used to achieve electrical connection between high-voltage devices and can withstand relatively high voltages and currents. The detection circuit 301 connected to the high-voltage connector 201 refers to a circuit that can monitor key parameters such as the voltage, current, and capacity of the target battery cluster to ensure that the target battery cluster operates in a safe and efficient state.

[0038] The warning unit 401 is a unit composed of warning indicator lights. The warning indicator lights can output various types of warnings to technicians by lighting up in different colors.

[0039] The battery cluster management circuit 501 refers to a circuit that includes a 24V battery control unit (BCU, Battery Control Unit). The battery control unit refers to a system responsible for managing and monitoring the target battery cluster and can ensure the safe and efficient operation of the target battery cluster.

[0040] Furthermore, the warning unit 401 is connected to the battery cluster management circuit 501, that is, the 24V battery control unit can control the warning indicator lights to light up according to a preset management strategy to output information corresponding to the preset management strategy to technicians. For example, when the preset management strategy indicates that when the 24V battery control unit determines that the target battery cluster has a fault, it controls the warning indicator light to light up in red to prompt technicians that the target battery cluster has a fault.

[0041] Furthermore, the warning unit 402 can include multiple warning indicator lights. Different warning indicator lights can represent different information, and different warning indicator lights lighting up in different colors represent different information.

[0042] In some exemplary embodiments, as described above, the control panel 102 includes a first panel area 1021 and a second panel area 1022 that are isolated from each other. The accommodation cavity includes a first accommodation space 1011 and a second accommodation space 1012 that are isolated from each other. Among them, the first accommodation space 1011 faces the first panel area 1021, and the second accommodation space 1012 faces the second panel area 1022. Then the first accommodation space 1011 and the second accommodation space 1012 can be located on the left and right sides of the accommodation cavity respectively, and the first panel area 1021 and the second panel area 1022 are then located on the left and right sides of the control panel 102 respectively.

[0043] In some other exemplary embodiments, the first accommodation space 1011 and the second accommodation space 1012 can also be located on the upper and lower sides of the accommodation cavity respectively, and the first panel area 1021 and the second panel area 1022 are then located on the upper and lower sides of the control panel 102 respectively.

[0044] The above energy storage system control box includes a housing and a receiving cavity surrounded by the housing. One side of the housing serves as the control panel of the energy storage system control box. The control panel includes a first panel area and a second panel area that are isolated from each other. The receiving cavity includes a first receiving space and a second receiving space that are isolated from each other. Among them, the first receiving space faces the first panel area, and the second receiving space faces the second panel area. The first panel area is provided with a high-voltage connector that can be connected to the target battery cluster and the target energy storage converter. The first receiving space is provided with a detection circuit connected to the high-voltage connector and capable of detecting the target battery cluster. The second panel area is provided with a warning unit. The second receiving space is provided with a battery cluster management circuit connected to the warning unit and capable of managing the target battery cluster. The energy storage system control box provided by the present application separates high-voltage devices and low-voltage devices both on the control panel and inside the housing, achieving high-voltage and low-voltage separation, and thus can effectively reduce signal interference.

[0045] In an exemplary embodiment, as Figure 2 shown, the detection circuit includes a disconnector 3011, a copper busbar 3012, a fuse 3013, and a contactor 3014.

[0046] Among them, the fuse 3013 is connected to the copper busbar 3012 and the contactor 3014, and the contactor 3014 is connected to the disconnector 3011.

[0047] The disconnector 3011 is a high-voltage switch device mainly used to isolate in the circuit to ensure the safe progress of maintenance work.

[0048] The copper busbar 3012, that is, the copper busbar or copper busbar, is a conductor made of copper material with a rectangular or chamfered (rounded) rectangular cross-section. It plays the role of transporting current and connecting devices in the circuit. The copper busbar 3012 can be a brass busbar, a copper busbar, or a tinned copper busbar.

[0049] The fuse 3013, that is, the current fuse or fuse, is a safety device for overcurrent or overcurrent protection. Exemplarily, when the current suddenly increases, the fuse will melt and cut off the circuit, reducing heat damage and reducing the risk of electric shock or fire. There is a thin metal strip or wire called a resistor inside the fuse, which melts under the heat generated when the rated current is exceeded, disconnects the circuit, and prevents the flow of potential dangerous voltage.

[0050] The contactor 3014 refers to a switch device that can be used to connect and disconnect large current loads in the circuit.

[0051] In some exemplary embodiments, the copper busbar 3012 can be connected to the fuse 3013, the fuse 3013 can be connected to the contactor 3014, and the contactor 3014 is connected to the disconnecting switch 3011 to form the detection circuit.

[0052] In one exemplary embodiment, as Figure 3 shown, the detection circuit includes a first detection circuit and a second detection circuit. The first detection circuit further includes a transducer A4. The copper busbar includes a first copper busbar A1 and a second copper busbar B1. The fuse includes a first fuse A2 and a second fuse B2. The contactor includes a first contactor A3 and a second contactor B3.

[0053] Among them, in the first detection circuit, the first fuse A2 is connected to the first copper busbar A1 and the transducer A4, and the first contactor A3 is connected to the disconnecting switch 3011 and the transducer A4; in the second detection circuit, the second fuse B2 is connected to the second copper busbar B1 and the second contactor B3, and the second contactor B3 is connected to the disconnecting switch 3011.

[0054] Optionally, the transducer A4 can be a Hall sensor, which refers to a magnetic field sensor made according to the Hall effect for converting magnetic field changes into voltage signals. Exemplarily, the transducer A4 can include a first transducer and a second transducer. The first transducer is a current-type Hall sensor, and the second transducer is a voltage-type Hall sensor.

[0055] The first contactor A3 can be a main negative contactor, which is used to connect the negative pole of the target battery cluster to the negative pole of the target energy storage converter (the negative pole of the external load or charger). The second contactor B3 can be a main positive contactor, which is used to connect the positive pole of the target battery cluster to the positive pole of the target energy storage converter (the positive pole of the external load or charger).

[0056] In some exemplary embodiments, in the first detection circuit, the first copper busbar A1 is connected to the first fuse A2, the first fuse A2 is connected to the transducer A4, the transducer A4 is connected to the first contactor A3, and the first contactor A3 is connected to the disconnecting switch 3011. In the second detection circuit, the second copper busbar B1 is connected to the second fuse B2, the second fuse B2 is connected to the second contactor B3, and the second contactor B3 is connected to the disconnecting switch 3011.

[0057] Exemplarily, the first fuse can be connected to the transducer through a short copper busbar.

[0058] In one exemplary embodiment, as Figure 3As shown, the high-voltage connector includes a battery interface that can be connected to the target battery cluster and a charge-discharge interface that can be connected to the target energy storage converter. The battery interface includes a first battery interface 2011 and a second battery interface 2012, and the charge-discharge interface includes a first charge-discharge interface 2013 and a second charge-discharge interface 2014.

[0059] Among them, the first copper busbar A1 is connected to the first battery interface 2011 and the first fuse A2. The transducer A4 is connected to the first fuse A2 and the first contactor A3. The disconnect switch 3011 is connected to the first charge-discharge interface 2013 and the first contactor A3. The second copper busbar B1 is connected to the second battery interface 2012 and the second fuse B2. The second contactor B3 is connected to the second fuse B2 and the disconnect switch 3011. The disconnect switch 3011 is connected to the second charge-discharge interface 2014.

[0060] The first battery interface 2011 is connected to the negative electrode of the target battery cluster, and the second battery interface 2012 is connected to the positive electrode of the target battery cluster. The first charge-discharge interface 2013 is connected to the negative electrode of the target energy storage converter, and the second charge-discharge interface 2014 is connected to the positive electrode of the target energy storage converter.

[0061] In some exemplary embodiments, the first battery interface 2011 is connected to the first copper busbar A1, the first copper busbar A1 is connected to the first fuse A2, the first fuse A2 is connected to the transducer A4, the transducer A4 is connected to the first contactor A3, the first contactor A3 is connected to the disconnect switch 3011, and the disconnect switch 3011 is connected to the first charge-discharge interface 2013 to form a negative electrode loop. The second battery interface 2012 is connected to the second copper busbar B1, the second copper busbar B1 is connected to the second fuse B2, the second fuse B2 is connected to the second contactor B3, the second contactor B3 is connected to the disconnect switch 3011, and the disconnect switch 3011 is connected to the second charge-discharge interface 2014 to form a positive electrode loop.

[0062] In an exemplary embodiment, as Figure 3 shown, the first detection circuit further includes a pre-charge circuit that can perform pre-charge detection on the target battery cluster. The pre-charge circuit includes a pre-charge contactor A5 and a pre-charge resistor A6.

[0063] Among them, the pre-charge resistor A6 and the pre-charge contactor A5 are connected in parallel, and the pre-charge contactor A5 and the first contactor A3 are connected in parallel.

[0064] The pre-charge resistor A6 refers to a resistor element used to limit the initial charging current in the energy storage system, which can protect the devices in the energy storage system and improve the stability of the energy storage system.

[0065] In an exemplary embodiment, during the power-on stage, the first contactor A3 can be closed first, and then the pre-charge contactor A5 can be closed. If the inter-cluster voltage difference of the target battery cluster is detected to be less than 10V, then after a preset time period, the second contactor B3 is closed; if the inter-cluster voltage difference of the target battery cluster is detected to be greater than 10V and less than 20V, then the pre-charge relay A5 is kept closed for inter-cluster balancing until the inter-cluster voltage difference of the target battery cluster is less than 10V; if the inter-cluster voltage difference of the target battery cluster is detected to be greater than 20V, then a warning is given to prompt the technician that the power-on fails, and the operation of closing the second contactor B3 is no longer executed.

[0066] In an exemplary embodiment, as Figure 4 shown, a disconnector control unit 1023 is further provided between the first panel area 1021 and the second panel area 1022.

[0067] Wherein, the disconnector control unit 1023 is connected to the disconnector, and the disconnection and connection of the disconnector are controlled by adjusting the disconnector control unit 1023, so as to control the first detection circuit and the second detection circuit.

[0068] Optionally, the disconnector control unit 1023 can be a knob or a button.

[0069] In an exemplary embodiment, as Figure 3 shown, the battery cluster management circuit includes a battery cluster management device 5011 and a protection circuit 5012, and a power supply control unit 5013 for controlling the power supply state of the battery cluster management device 5011 is further provided in the second panel area 1022.

[0070] Wherein, the power supply control unit 5013 is connected to a power supply device (not shown in the figure) that supplies power to the battery cluster management device 5011, and the protection circuit 5012 is respectively connected to the power supply device and the battery cluster management device 5011.

[0071] The protection circuit 5012 refers to a circuit for protecting the battery cluster management device 5011 from potential damages such as overload, short circuit, and voltage fluctuation. Exemplarily, the protection circuit 5012 can include a 24V fuse.

[0072] In an exemplary embodiment, as Figure 3 shown, a first control interface 601 is further provided in the second panel area 1022, and the first control interface 601 is connected to the management system of the target battery pack included in the target battery cluster. A second control interface 701 is further provided in the second panel area 1022, and the second control interface 701 is connected to the management system of the target battery stack including the target battery cluster.

[0073] In an exemplary embodiment, as Figure 3 shown, a ground interface 801 may also be provided in the second panel area 1022.

[0074] In an exemplary embodiment, as Figure 5 shown, Figure 5 is a schematic diagram of the control panel 102. Figure 5 B+ in Figure 5 is equivalent to the first battery interface in the present application. Figure 5 B- in Figure 5 is equivalent to the second battery interface in the present application. Figure 5 The knob in the middle is equivalent to the disconnector control unit in the present application. Figure 5 P-Com in Figure 5 is equivalent to the first control interface in the present application. Figure 5 C-Com in

[0075] is equivalent to the second control interface in the present application.

[0076] Furthermore, the first panel area is provided with a battery interface that can be connected to the target battery cluster and a charge and discharge interface that can be connected to the target energy storage converter. The battery interface includes a first battery interface and a second battery interface, and the charge and discharge interface includes a first charge and discharge interface and a second charge and discharge interface.

[0077] The first accommodation space is provided with a first detection circuit, a second detection circuit, and a pre-charge circuit. The first copper bar in the first detection circuit is connected to the first battery interface and the first fuse in the first detection circuit. The transducer in the first detection circuit is connected to the first fuse and the first contactor in the first detection circuit. The isolation switch is connected to the first charge and discharge interface and the first contactor in the first detection circuit. The second copper bar in the second detection circuit is connected to the second battery interface and the second fuse in the second detection circuit. The second contactor in the second detection circuit is connected to the second fuse and the isolation switch. The isolation switch is connected to the second charge and discharge interface. The pre-charge circuit includes a pre-charge contactor and a pre-charge resistor. The pre-charge resistor and the pre-charge contactor are connected in parallel. The pre-charge contactor and the first contactor are connected in parallel.

[0078] Further, a warning unit, a power supply control unit, a first control interface, and a second control interface are provided in the second panel area. The second accommodation space is provided with a battery cluster management circuit connected to the warning unit and capable of managing the target battery cluster. The battery cluster management circuit includes a battery cluster management device and a protection circuit. The power supply control unit is connected to a power supply device that supplies power to the battery cluster management device. The protection circuit is respectively connected to the power supply device and the battery cluster management device. The first control interface is connected to the management system of the target battery pack included in the target battery cluster. The second control interface is connected to the management system of the target battery stack including the target battery cluster.

[0079] An isolation switch control unit is further provided between the first panel area and the second panel area. The isolation switch control unit is connected to the isolation switch, and the disconnection and connection of the isolation switch are controlled by adjusting the isolation switch control unit, so as to control the first detection circuit and the second detection circuit.

[0080] In an exemplary embodiment, the present application further provides an energy storage system, which includes one or more energy storage system control boxes described in any of the above embodiments.

[0081] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in the present application.

[0082] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the patent scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. An energy storage system control box, characterized in that: The energy storage system control box includes a shell and a receiving cavity surrounded by the shell; one side of the shell serves as a control panel of the energy storage system control box, the control panel includes a first panel area and a second panel area isolated from each other, and the receiving cavity includes a first receiving space and a second receiving space isolated from each other, wherein the first receiving space is opposite to the first panel area, and the second receiving space is opposite to the second panel area; The first panel area is provided with a high-voltage connector that can be connected to a target battery cluster and a target energy storage converter, and the first accommodation space is provided with a detection circuit that is connected to the high-voltage connector and can detect the target battery cluster; The second panel area is provided with an early warning unit, and the second accommodation space is provided with a battery cluster management circuit connected to the early warning unit and capable of managing the target battery cluster.

2. The energy storage system control box according to claim 1, characterized in that: The detection circuit includes an isolating switch, a copper bus, a fuse and a contactor; Wherein, the fuse is connected to the copper bus and the contactor, and the contactor is connected to the isolating switch.

3. The energy storage system control box according to claim 2, characterized in that: The detection circuit includes a first detection circuit and a second detection circuit, the first detection circuit also includes a transducer, the copper bar includes a first copper bar and a second copper bar, the fuse includes a first fuse and a second fuse, and the contactor includes a first contactor and a second contactor; In the first detection circuit, the first fuse is connected to the first copper busbar and the transducer, and the first contactor is connected to the isolating switch and the transducer; In the second detection circuit, the second fuse is connected to the second copper busbar and the second contactor, and the second contactor is connected to the isolating switch.

4. The energy storage system control box according to claim 3, characterized in that: The high-voltage connector includes a battery interface that can be connected to the target battery cluster and a charge-discharge interface that can be connected to the target energy storage converter, the battery interface includes a first battery interface and a second battery interface, and the charge-discharge interface includes a first charge-discharge interface and a second charge-discharge interface; The first copper busbar is connected to the first battery interface and the first fuse, the transducer is connected to the first fuse and the first contactor, and the isolating switch is connected to the first charge and discharge interface and the first contactor; The second copper busbar is connected to the second battery interface and the second fuse, the second contactor is connected to the second fuse and the isolating switch, and the isolating switch is connected to the second charging and discharging interface.

5. The energy storage system control box according to claim 4, characterized in that: The first detection circuit also includes a pre-charging circuit capable of performing pre-charging detection on the target battery cluster, wherein the pre-charging circuit includes a pre-charging contactor and a pre-charging resistor; The pre-charging resistor and the pre-charging contactor are connected in parallel, and the pre-charging contactor and the first contactor are connected in parallel.

6. The energy storage system control box according to claim 4, characterized in that: An isolating switch control unit is also provided between the first panel area and the second panel area; The isolating switch control unit is connected to the isolating switch, and controls the disconnection and connection of the isolating switch by adjusting the isolating switch control unit, so as to control the first detection circuit and the second detection circuit.

7. The energy storage system control box according to claim 1, characterized in that: The battery cluster management circuit includes a battery cluster management device and a protection circuit, and the second panel area is also provided with a power supply control unit for controlling the power supply state of the battery cluster management device; The power supply control unit is connected to a power supply device that supplies power to the battery cluster management device, and the protection circuit is connected to the power supply device and the battery cluster management device respectively.

8. The energy storage system control box according to claim 1, characterized in that: The second panel area is further provided with a first control interface, and the first control interface is connected to a management system of a target battery pack included in the target battery cluster.

9. The energy storage system control box according to claim 1, characterized in that: The second panel area is further provided with a second control interface, and the second control interface is connected to a management system of a target battery stack including the target battery cluster.

10. An energy storage system, characterized in that: The energy storage system comprises an energy storage system control box as described in any one of claims 1 to 9.

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