Door lock device and energy storage power distribution equipment

Abstract

The utility model relates to a door lock device and energy storage power distribution equipment. A door lock module in the device is arranged on a door body; the detection circuit is connected with the distribution loop; the switch circuit is connected between the detection circuit and the door lock module; the detection circuit is configured to detect the electrified state of the power distribution loop and control the on-off state of the switching circuit according to the detection result, so that the door lock module locks or unlocks the door body, and the door lock state of the door lock module is controlled according to the electrified state of the power distribution loop. The electrified state of the power distribution loop is detected through the detection circuit, the switching circuit conducts on-off switching according to whether the power distribution loop is electrified or not, the door lock module controls the door body to be locked or unlocked according to on-off of the switching circuit, and therefore when the power distribution loop is electrified, the door body is locked and cannot be opened, and when the power distribution loop is powered off, the door body cannot be opened. The door body can be opened after being unlocked, so that personnel are effectively prevented from entering an electrified interval by mistake, the risk of electric shock to a power distribution loop is reduced, and the use safety is improved.

Description

Technical Field

[0001] This application relates to the technical field of energy storage, and particularly to a door lock device and an energy storage power distribution device. Background Art

[0002] An energy storage battery system consists of an energy storage battery box and corresponding energy storage power distribution equipment, etc. The energy storage power distribution equipment is an important part of the energy storage battery system. For example, the energy storage power distribution equipment can be a busbar cabinet, a control cabinet, or a PCS (Power Conversion System) cabinet, etc.

[0003] Among the five-prevention requirements of the power system, there is a requirement of "preventing unauthorized entry into live compartments" to improve the safety of power consumption and avoid personnel entering live compartments by mistake. However, for existing energy storage power distribution equipment such as busbar cabinets, when the circuit is live, the door of the energy storage power distribution equipment can still be opened and closed arbitrarily, which easily leads to staff entering live compartments by mistake and touching live circuits, posing an electric shock risk and having low safety. Summary of the Utility Model

[0004] Based on this, a door lock device and an energy storage power distribution device are provided.

[0005] In a first aspect, this application provides a door lock device applied to an energy storage power distribution device. The energy storage power distribution device includes a door body and a power distribution circuit. The door lock device includes:

[0006] A door lock module configured to be arranged on the door body;

[0007] A detection circuit configured to be connected to the power distribution circuit;

[0008] A switch circuit connected between the detection circuit and the door lock module;

[0009] The detection circuit is configured to detect the live state of the power distribution circuit and control the on-off of the switch circuit according to the detection result, so that the door lock module locks or unlocks the door body.

[0010] In one embodiment, the door lock module includes a transmission member and a locking bolt;

[0011] The transmission member is connected to the switch circuit and is configured to adsorb the locking bolt to unlock the door body according to the conduction of the switch circuit; the transmission member is also configured to disengage from the locking bolt to lock the door body according to the disconnection of the switch circuit.

[0012] In one embodiment, the door lock module further includes a door lock connecting member; the door lock connecting member is configured to be arranged on the cabinet body;

[0013] The door lock connecting member is movably connected to the locking bolt, so that the door body is unlocked when the door lock connecting member disengages from the locking bolt, and the door lock is locked when the door lock connecting member connects to the locking bolt.

[0014] In one embodiment, the switch circuit includes a first contact switch;

[0015] The first end of the first contact switch is connected to the detection circuit, and the second end of the first contact switch is connected to the transmission member.

[0016] In one embodiment, the door lock device further includes a light-emitting module, and the switch circuit further includes a second contact switch;

[0017] The first end of the second contact switch is connected to the detection circuit, and the second end of the second contact switch is connected to the light-emitting module.

[0018] In one embodiment, the detection circuit includes a first power supply, a processing module, and a third contact switch;

[0019] The processing module is respectively connected to the power distribution circuit and the third contact switch; the third contact switch is connected between the first power supply and the switch circuit.

[0020] In one embodiment, the processing module includes a detection interface and a processing chip;

[0021] The detection interface is connected between the power distribution circuit and the processing chip, and the processing chip is connected to the third contact switch.

[0022] In one embodiment, the processing module further includes a first resistor, a first triode, and a second power supply;

[0023] The first end of the first resistor is connected to the processing chip, the second end of the first resistor is connected to the base of the first triode, the emitter of the first triode is connected to the ground wire, and the third contact switch is connected between the collector of the first triode and the second power supply.

[0024] In one embodiment, the transmission member is an electromagnet.

[0025] In a second aspect, the present application provides an energy storage power distribution device, including a power distribution device main body and a door lock device as described in any one of the above;

[0026] The door lock device is arranged on the power distribution device main body.

[0027] One of the above technical solutions has the following advantages and beneficial effects:

[0028] In the above-mentioned door lock device, it includes a door lock module, a detection circuit, and a switch circuit. The door lock module is used to be arranged on the door body; the detection circuit is used to connect to the power distribution circuit; the switch circuit is connected between the detection circuit and the door lock module; the detection circuit is configured to detect the energized state of the power distribution circuit and control the on / off of the switch circuit according to the detection result, so that the door lock module locks or unlocks the door body, realizing the control of the door lock state of the door lock module according to the energized state of the power distribution circuit. In this application, by detecting the energized state of the power distribution circuit in the detection circuit, the switch circuit switches on and off according to whether the power distribution circuit is energized, and the door lock module locks or unlocks the door body according to the on / off of the switch circuit, so that when the power distribution circuit is energized, the door body can be locked and cannot be opened, and when the power distribution circuit is de-energized, the door body can be unlocked and opened, effectively preventing people from accidentally entering the energized interval, reducing the risk of electric shock to the power distribution circuit, and improving the use safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the first circuit structure of the door lock device in the embodiment of the present application;

[0030] Figure 2 It is a schematic diagram of the second circuit structure of the door lock device in the embodiment of the present application;

[0031] Figure 3 It is a schematic diagram of the third circuit structure of the door lock device in the embodiment of the present application;

[0032] Figure 4 It is a schematic diagram of the fourth circuit structure of the door lock device in the embodiment of the present application;

[0033] Figure 5 It is a schematic diagram of the fifth circuit structure of the door lock device in the embodiment of the present application;

[0034] Figure 6 It is a schematic diagram of the sixth circuit structure of the door lock device in the embodiment of the present application;

[0035] Figure 7 It is a schematic diagram of the seventh circuit structure of the door lock device in the embodiment of the present application.

[0036] REFERENCE SIGNS:

[0037] 10. Door lock module; 110. Transmission member; 112. Electromagnet; 120. Lock bolt; 130. Door lock connecting member; 20. Detection circuit; 210. First power supply; 220. Processing module; 222. Detection interface; 224. Processing chip; 226. First resistor; 228. First triode; 232. Second power supply; 240. Third contact switch; 30. Switch circuit; 310. First contact switch; 320. Second contact switch; 40. Light-emitting module; 50. Power distribution circuit. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0038] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances for the embodiments of this application described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0040] In this application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation.

[0041] Moreover, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0042] In addition, the meaning of the term "plurality" should be two or more.

[0043] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine the embodiments to detail this application.

[0044] In one embodiment, as Figure 1As shown, a door lock device is provided, which is applied to an energy storage power distribution device. The energy storage power distribution device includes a door body and a power distribution circuit 50. The door lock device includes a door lock module 10, a detection circuit 20, and a switch circuit 30. The door lock module 10 is used to be arranged on the door body; the detection circuit 20 is used to connect to the power distribution circuit 50; the switch circuit 30 is connected between the detection circuit 20 and the door lock module 10. The detection circuit 20 is configured to detect the energized state of the power distribution circuit 50 and control the on / off of the switch circuit 30 according to the detection result, so that the door lock module 10 locks or unlocks the door body.

[0045] Among them, the door lock device can be applied to an energy storage power distribution device, which refers to a power distribution device for an energy storage battery system. For example, the energy storage power distribution device can be, but is not limited to, a busbar cabinet, a control cabinet, or a PCS cabinet, etc. Exemplarily, taking the door lock device that can be applied to a busbar cabinet as an example for description, the busbar cabinet includes a cabinet body and a door body, and several electrical devices are arranged in the cabinet body, and a power distribution circuit 50 is formed between the electrical devices. In one example, the electrical device can be a DC device, and the power distribution circuit 50 can be a circuit formed by connecting between DC devices. It should be noted that the DC devices can include busbars (such as copper bars) and cables, etc., and the busbars are connected to the cables.

[0046] The door lock module 10 is arranged on the door body and is used to lock or unlock the door body. When the door lock module 10 locks the door body, the operator cannot directly open the door body; when the door lock module 10 unlocks the door body, the operator can directly open the door body. Exemplarily, when the door lock module 10 is in a power-off state, the door lock module 10 locks the door body, that is, the door lock module 10 locks the door body and the cabinet body, so that the operator cannot directly open the door body; when the door lock module 10 is in a powered-on state, the door lock module 10 unlocks the door body, that is, the door lock module 10 unlocks the door body and the cabinet body, so that the operator can directly open the door body.

[0047] The detection circuit 20 can be used to detect whether there is an electrical signal in the power distribution circuit 50. For example, the detection circuit 20 can be used to detect the voltage signal of the power distribution circuit 50. When the detection circuit 20 detects the voltage signal of the power distribution circuit 50, it is determined that the power distribution circuit 50 is energized, and then the switch circuit 30 is controlled to disconnect, so that the door lock module 10 is in a power-off state; when the detection circuit 20 does not detect the voltage signal of the power distribution circuit 50, it is determined that the power distribution circuit 50 is de-energized, and then the switch circuit 30 is controlled to conduct, so that the door lock module 10 is in a powered-on state.

[0048] The switch circuit 30 can be a relay switch circuit 30. The switch circuit 30 is connected between the detection circuit 20 and the door lock module 10, such that a door lock control loop is formed among the switch circuit 30, the detection circuit 20, and the door lock module 10. When the switch circuit 30 is disconnected, the door lock control loop is disconnected. Further, when the door lock module 10 is in a power-off state, the door lock module 10 locks the door body, and the operator cannot directly open the door body. When the switch circuit 30 is turned on, the door lock control loop is turned on. Further, when the door lock module 10 is in a power-on state, the door lock module 10 unlocks the door body, and the operator can directly open the door body.

[0049] Exemplarily, based on the detection circuit 20 being connected to the power distribution module, the switch circuit 30 is connected between the detection circuit 20 and the door lock module 10. The detection circuit 20 detects the live state of the power distribution loop 50 in the cabinet in real time. If the detection circuit 20 detects that there is voltage in the power distribution loop 50 (i.e., the voltage is greater than the preset threshold), it is determined that the power distribution loop 50 is in a live state. Further, the detection circuit 20 controls the switch circuit 30 to disconnect, such that the door lock module 10 is powered off. Further, the door lock module 10 locks the door body, and the operator cannot directly open the door body, effectively preventing the operator from accidentally entering a live compartment, reducing the risk of electric shock, and improving the use safety. If the detection circuit 20 detects that there is no voltage in the power distribution loop 50 (i.e., the voltage is less than the preset threshold), it is determined that the power distribution loop 50 is in a power-off state. Further, the detection circuit 20 controls the switch circuit 30 to turn on, such that the door lock module 10 is powered on. Further, the door lock module 10 unlocks the door body, facilitating the operator to directly open the door body.

[0050] In the above embodiments, the door lock module 10 is used to be arranged on the door body, the detection circuit 20 is used to be connected to the power distribution loop 50, the switch circuit 30 is connected between the detection circuit 20 and the door lock module 10. The detection circuit 20 is configured to detect the live state of the power distribution loop 50 and control the on / off of the switch circuit 30 according to the detection result, so that the door lock module 10 locks or unlocks the door body, realizing the control of the door lock state of the door lock module 10 according to the live state of the power distribution loop 50. In this application, by detecting the live state of the power distribution loop 50 by the detection circuit 20, the switch circuit 30 performs on / off switching according to whether the power distribution loop 50 is live, and the door lock module 10 controls the door body to be locked or unlocked according to the on / off of the switch circuit 30, so that when the power distribution loop 50 is live, the door body can be locked and cannot be opened, and when the power distribution loop 50 is powered off, the door body can be unlocked and opened, effectively preventing people from accidentally entering a live compartment, reducing the risk of electric shock to the power distribution loop 50, and improving the use safety.

[0051] In one embodiment, as Figure 2As shown, the door lock module 10 includes a transmission member 110 and a latch 120; the transmission member 110 is connected to the switch circuit 30, and the transmission member 110 is configured to adsorb the latch 120 to unlock the door body according to the conduction of the switch circuit 30; the transmission member 110 is further configured to disengage from the latch 120 to lock the door body according to the disconnection of the switch circuit 30.

[0052] Among them, the first end of the latch 120 is movably arranged on the door body, and the second end of the latch 120 is movably connected to the cabinet body. For example, the cabinet body is provided with a groove. When the second end of the latch 120 is inserted into the groove of the cabinet body, the door body is locked with the cabinet body, and thus the operator cannot directly open the door body; when the second end of the latch 120 disengages from the groove of the cabinet body, the door body is separated from the cabinet body, and thus the operator can directly open the door body. It should be noted that when the latch 120 is in the reset state or the initial state, the second end of the latch 120 is inserted into the groove of the cabinet body.

[0053] The transmission member 110 can be used to drive the latch 120 to move. Exemplarily, based on the connection between the transmission member 110 and the switch circuit 30, when the detection circuit 20 detects that there is voltage in the power distribution circuit 50 (i.e., the voltage is greater than the preset threshold), it is determined that the power distribution circuit 50 is in the live state. Then, the detection circuit 20 controls the switch circuit 30 to disconnect, so that the transmission member 110 disengages from the latch 120, and then the latch 120 resets and inserts into the groove of the cabinet body to lock the door body, and the operator cannot directly open the door body, effectively preventing the operator from entering the live compartment by mistake, reducing the risk of electric shock, and improving the use safety. If the detection circuit 20 detects that there is no voltage in the power distribution circuit 50 (i.e., the voltage is less than the preset threshold), it is determined that the power distribution circuit 50 is in the power-off state. Then, the detection circuit 20 controls the switch circuit 30 to conduct, and the transmission member 110 adsorbs the latch 120, so that the latch 120 disengages from the groove of the cabinet body to unlock the door body, facilitating the operator to directly open the door body.

[0054] In one example, such as Figure 3As shown, the transmission member 110 is an electromagnet 112. The electromagnet 112 can be arranged adjacent to the first end of the locking bolt 120. Based on the connection between the electromagnet 112 and the switch circuit 30, when the detection circuit 20 detects that there is voltage in the power distribution circuit 50, it is determined that the power distribution circuit 50 is in a live state. Then, the detection circuit 20 controls the switch circuit 30 to disconnect, so that the electromagnet 112 is de-energized, that is, the electromagnet 112 cannot adsorb the locking bolt 120. Then, the locking bolt 120 resets and inserts into the groove of the cabinet body, realizing locking of the door body. The operator cannot directly open the door body, effectively preventing the operator from accidentally entering the live compartment, reducing the risk of electric shock, and improving the use safety. If the detection circuit 20 detects that there is no voltage in the power distribution circuit 50, it is determined that the power distribution circuit 50 is in a de-energized state. Then, the detection circuit 20 controls the switch circuit 30 to conduct, so that the electromagnet 112 is energized, and the electromagnet 112 adsorbs the locking bolt 120. Then, the locking bolt 120 disengages from the groove of the cabinet body, realizing unlocking of the door body, and facilitating the operator to directly open the door body.

[0055] In one embodiment, as Figure 3 shown, the door lock module 10 further includes a door lock connecting member 130; the door lock connecting member 130 is used to be arranged on the cabinet body; the door lock connecting member 130 is movably connected to the locking bolt 120, so that when the door lock connecting member 130 disengages from the locking bolt 120, the door body is unlocked, and when the door lock connecting member 130 is connected to the locking bolt 120, the door lock is locked.

[0056] Among them, the door lock connecting member 130 can be arranged on the cabinet body by means of screwing or welding, etc.; in another example, the door lock connecting member 130 and the cabinet body can also be an integrally formed structure. The door lock connecting member 130 can be provided with a groove. The first end of the locking bolt 120 is movably connected to the transmission member 110, and the second end of the locking bolt 120 is movably connected to the door lock connecting member 130. When the detection circuit 20 detects that the power distribution circuit 50 is live, then the detection circuit 20 controls the switch circuit 30 to disconnect, so that the transmission member 110 disengages from the locking bolt 120. Then, the second end of the locking bolt 120 inserts into the groove of the door lock connecting member 130, realizing locking of the door body and the cabinet body. Then, the operator cannot directly open the door body; when the detection circuit 20 detects that the power distribution circuit 50 is de-energized, then the detection circuit 20 controls the switch circuit 30 to conduct, so that the transmission member 110 adsorbs the locking bolt 120. Then, when the second end of the locking bolt 120 disengages from the groove of the door lock connecting member 130, the door body and the cabinet body are separated. Then, the operator can directly open the door body.

[0057] In one embodiment, as Figure 4 shown, the switch circuit 30 includes a first contact switch 310; the first end of the first contact switch 310 is connected to the detection circuit 20, and the second end of the first contact switch 310 is connected to the transmission member 110.

[0058] Among them, the first contact switch 310 can be a relay switch. The first contact switch 310 is provided with switch contacts, and the switch contacts of the first contact switch 310 can be normally closed contacts. Exemplarily, when the detection circuit 20 detects that the power distribution circuit 50 is energized, the detection circuit 20 then controls the normally closed contacts of the first contact switch 310 to disconnect, so that the transmission member 110 is de-energized, and then the transmission member 110 disengages from the bolt 120, so that the bolt 120 is inserted into the groove on the cabinet body, and then the door body is locked. The operator cannot directly open the door body, effectively preventing the operator from mistakenly entering the energized interval, reducing the risk of electric shock, and improving the use safety. When the detection circuit 20 detects that the power distribution circuit 50 is de-energized, the detection circuit 20 then controls the normally closed contacts of the first contact switch 310 to remain closed, so that the transmission member 110 is energized, and then the transmission member 110 adsorbs the bolt 120, so that the bolt 120 disengages from the groove on the cabinet body, realizing unlocking of the door body, and facilitating the operator to directly open the door body.

[0059] In one example, as Figure 7 shown, the first contact switch 310 may include a relay coil and a first normally closed contact. The transmission member 110 is an electromagnet 112. When the power distribution circuit 50 is energized, the detection circuit 20 presents a conducting state to the door lock control circuit, so that the relay coil is energized, and then the first normally closed contact is disconnected. The electromagnet 112 is not energized and cannot attract the bolt 120, so that the bolt 120 is inserted into the groove on the cabinet body, and then the door body is locked. The operator cannot directly open the door body; when the power distribution circuit 50 is de-energized, the detection circuit 20 presents a disconnected state to the door lock control circuit, so that the relay coil loses power, and then the first normally closed contact closes. The electromagnet 112 is energized, and the electromagnet 112 attracts the bolt 120, so that the bolt 120 disengages from the groove on the cabinet body, and then the door body is unlocked. The operator can directly open the door body, thus improving the use safety, preventing the operator from mistakenly entering the energized interval, and reducing the risk of electric shock.

[0060] In one embodiment, as Figure 4 shown, the door lock device further includes a light-emitting module 40, and the switch circuit 30 further includes a second contact switch 320; the first end of the second contact switch 320 is connected to the detection circuit 20, and the second end of the second contact switch 320 is connected to the light-emitting module 40.

[0061] Among them, the light-emitting module 40 can be an LED light-emitting module 40. When the power distribution circuit 50 is energized, the light-emitting module 40 is triggered to work, and then the light-emitting module 40 emits light to remind the operator that the power distribution circuit 50 of the cabinet body is in an energized state. The second contact switch 320 can be a relay switch. The second contact switch 320 is provided with switch contacts, and the switch contacts of the second contact switch 320 can be normally open contacts.

[0062] Based on the fact that the second contact switch 320 is connected between the detection circuit 20 and the light-emitting module 40, when the detection circuit 20 detects that the power distribution circuit 50 is energized, the detection circuit 20 then controls the normally open contact of the second contact switch 320 to close, so that the circuit between the detection circuit 20 and the light-emitting module 40 is conducted, and then the light-emitting module 40 is triggered to light up, reminding the operator that the power distribution circuit 50 is in the energized state. When the detection circuit 20 detects that the power distribution circuit 50 is de-energized, the detection circuit 20 then controls the normally open contact of the second contact switch 320 to disconnect, so that the circuit between the detection circuit 20 and the light-emitting module 40 is disconnected, and then the light-emitting module 40 goes out, thus saving electric energy and at the same time facilitating the operator to directly open the door body.

[0063] Exemplarily, as Figure 7 shown, the light-emitting module 40 may include a light-emitting diode and a second resistor, the second contact switch 320 may include a relay coil and a first normally open contact, the first end of the second resistor is connected to the second end of the first normally open contact, the second end of the second resistor is connected to the anode of the light-emitting diode, the cathode of the light-emitting diode is connected to the negative pole of the first power supply 210, the relay coil is respectively connected to the detection circuit 20 and the positive pole of the first power supply 210. When the power distribution circuit 50 is energized, the detection circuit 20 presents a conducting state to the door lock control circuit, so that the relay coil is energized, and then the first normally open contact closes. Then, after the electrical signal output by the first power supply 210 is freewheeling through the second resistor, it supplies power to the light-emitting diode, realizing the lighting of the light-emitting diode, and playing a role in reminding the operator that the power distribution circuit 50 is in the energized state.

[0064] In one embodiment, as Figure 5 shown, the detection circuit 20 includes a first power supply 210, a processing module 220 and a third contact switch 240; the processing module 220 is respectively connected to the power distribution circuit 50 and the third contact switch 240; the third contact switch 240 is connected between the first power supply 210 and the switch circuit 30.

[0065] Among them, the first power supply 210 may be, but is not limited to, a 24-volt DC power supply. The processing module 220 may be, but is not limited to, a BMS (Battery Management System) or an EMS (Energy Management System). The third contact switch 240 may be a relay switch, the third contact switch 240 is provided with a switch contact, and the switch contact of the third contact switch 240 may be a normally open contact.

[0066] Based on the processing module 220 being respectively connected to the power distribution circuit 50 and the third contact switch 240; the third contact switch 240 is connected between the first power supply 210 and the switch circuit 30. The processing module 220 can detect the energized state of the power distribution circuit 50. When it detects that the power distribution circuit 50 is energized, the processing module 220 controls the third contact switch 240 to close. Then, the first power supply 210 can supply power to the switch circuit 30, causing the switch circuit 30 to switch from normally closed to open, and the door lock module 10 loses power. Then, the door lock module 10 locks the door body, and the operator cannot directly open the door body, effectively preventing the operator from entering the energized interval by mistake, reducing the risk of electric shock, and improving the use safety. If the processing module 220 detects that the power distribution circuit 50 loses power, the processing module 220 controls the third contact switch 240 to open. Then, the connection between the first power supply 210 and the switch circuit 30 is disconnected, causing the switch circuit 30 to return to normally closed. Then, the first power supply 210 supplies power to the door lock module 10, realizing the unlocking of the door body by the door lock module 10, and facilitating the operator to directly open the door body.

[0067] In one embodiment, as Figure 6 shown, the processing module 220 includes a detection interface 222 and a processing chip 224; the detection interface 222 is connected between the power distribution circuit 50 and the processing chip 224, and the processing chip 224 is connected to the third contact switch 240.

[0068] Among them, the detection interface 222 can be a voltage detection interface 222, and the processing chip 224 can be a processing chip 224 of BMS or EMS.

[0069] Exemplarily, through the detection interface 222 being connected between the power distribution circuit 50 and the processing chip 224, the processing chip 224 is connected to the third contact switch 240. The third contact switch 240 can include a relay coil and a second normally open contact. The detection interface 222 detects the voltage signal of the power distribution circuit 50. According to the received voltage signal, when the voltage signal is greater than 0, it is determined that the power distribution circuit 50 is energized. Then, the processing chip 224 controls the relay coil of the third contact switch 240 to be energized, causing the second normally open contact of the third contact switch 240 to close, the relay coil of the first contact switch 310 to be energized, and the first normally closed contact of the first contact switch 310 to become open. The electromagnet 112 is not energized and cannot attract the locking bolt 120. Then, the locking bolt 120 is inserted into the groove of the cabinet body to lock the door body, and the operator cannot directly open the door body, effectively preventing the operator from entering the energized interval by mistake, reducing the risk of electric shock, and improving the use safety.

[0070] When the processing chip 224 determines that the power supply of the power distribution circuit 50 is lost when the received voltage signal is equal to 0, the processing chip 224 controls the relay coil of the third contact switch 240 to lose power, so that the second normally open contact of the third contact switch 240 becomes normally open, the relay coil of the first contact switch 310 loses power, the first normally closed contact of the first contact switch 310 becomes normally closed, the electromagnet 112 is energized, and the electromagnet 112 attracts the bolt 120, so that the bolt 120 disengages from the groove of the cabinet body, realizing the unlocking of the door body and facilitating the operator to directly open the door body.

[0071] In one embodiment, as Figure 7 shown, the processing module 220 further includes a first resistor 226, a first triode 228, and a second power supply 232; the first end of the first resistor 226 is connected to the processing chip 224, the second end of the first resistor 226 is connected to the base of the first triode 228, the emitter of the first triode 228 is connected to the ground wire, and the third contact switch 240 is connected between the collector of the first triode 228 and the second power supply 232.

[0072] Among them, the first resistor 226 can be a freewheeling resistor, the first triode 228 can be an NPN-type triode, and the second power supply 232 can be a 5V DC power supply.

[0073] Exemplarily, when the processing chip 224 determines that the power distribution circuit 50 is powered on when the received voltage signal is greater than 0, a high-level signal is transmitted to the first triode 228 through the first resistor 226, and then the first triode 228 is turned on, so that the second power supply 232 supplies power to the relay coil of the third contact switch 240, realizing the control of the relay coil of the third contact switch 240 to be powered on, and thus the second normally open contact of the third contact switch 240 is closed; when the processing chip 224 determines that the power supply of the power distribution circuit 50 is lost when the received voltage signal is equal to 0, the base of the first triode 228 is controlled to be in a low-level state, the first triode 228 is turned off, so that the relay coil of the third contact switch 240 loses power, realizing the control of the relay coil of the third contact switch 240 to lose power, and thus the second normally open contact of the third contact switch 240 becomes normally open.

[0074] In one embodiment, the door lock module is provided with a key slot for inserting a key.

[0075] Exemplarily, the door lock module includes a door lock body. A lock core is disposed inside the door lock body, and a key slot communicating with the lock core is further provided on the door lock body. When a corresponding key is inserted into the key slot, the key can be cooperatively connected with the lock core. Thus, when the power distribution circuit is in a live state, since the door body cannot be directly opened, if it is necessary to open the door body emergently, the key can be inserted and rotated in the unlocking direction. When rotated to the limit position and further force is applied, the lock bolt automatically returns to the locked position, thereby realizing forced opening of the door body and improving the reliability of the device.

[0076] In one embodiment, an energy storage power distribution device is further provided, which includes a power distribution device main body and a door lock device as described in any one of the above; the door lock device is disposed on the power distribution device main body.

[0077] Among them, the energy storage power distribution device may be a power distribution device applied to an energy storage battery system. For example, the energy storage power distribution device may be a busbar cabinet, a control cabinet or a PCS cabinet. The power distribution device main body may include a power distribution circuit, a cabinet body and a door body. The power distribution circuit is disposed in the cabinet body, and the door lock device may be disposed on the door body of the power distribution device main body.

[0078] For the specific description content of the door lock device, reference may be made to the specific description of the door lock device in the above embodiments, which will not be elaborated herein.

[0079] In the above embodiments, the door lock device includes a door lock module, a detection circuit and a switch circuit. The door lock module is used to be disposed on the door body of the power distribution device main body; the detection circuit is used to connect to the power distribution circuit; the switch circuit is connected between the detection circuit and the door lock module; the detection circuit is configured to detect the live state of the power distribution circuit and control the on / off of the switch circuit according to the detection result, so that the door lock module locks or unlocks the door body, realizing the control of the door lock state of the door lock module according to the live state of the power distribution circuit. In this application, by detecting the live state of the power distribution circuit in the detection circuit, the switch circuit switches on and off according to whether the power distribution circuit is live, and the door lock module locks or unlocks the door body according to the on / off of the switch circuit, so that when the power distribution circuit is live, the door body is locked and cannot be opened, and when the power distribution circuit is powered off, the door body is unlocked and can be opened, effectively preventing personnel from entering the live compartment by mistake, reducing the risk of electric shock to the power distribution circuit, and improving the use safety.

[0080] It should be noted that the energy storage power distribution device may further include components such as DC devices like busbars. Specifically, the battery system may include more components than those described in the above embodiments, or combine certain components, or have different component arrangements.

[0081] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described 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 this specification.

[0082] The above-described embodiments merely represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. 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 belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A door lock device, characterized in that: Applied to energy storage and power distribution equipment, the energy storage and power distribution equipment includes a door body and a power distribution circuit, and the door lock device includes: A door lock module, the door lock module is used to be arranged on the door body; A detection circuit, the detection circuit is used to connect the power distribution circuit; A switch circuit, wherein the switch circuit is connected between the detection circuit and the door lock module; The detection circuit is configured to detect the power status of the power distribution circuit, and control the on-off of the switch circuit according to the detection result, so that the door lock module locks or unlocks the door body.

2. The door lock device according to claim 1, characterized in that: The door lock module includes a transmission member and a lock bolt; The transmission member is connected to the switch circuit, and the transmission member is configured to absorb the lock bolt to unlock the door body according to the conduction of the switch circuit; The transmission member is also configured to disengage from the lock bolt to lock the door body according to the disconnection of the switch circuit.

3. The door lock device according to claim 2, characterized in that: The door lock module also includes a door lock connector; the door lock connector is used to be arranged on the cabinet; The door lock connecting piece is movably connected to the lock bolt, so that when the door lock connecting piece is separated from the lock bolt, the door body is unlocked, and when the door lock connecting piece is connected to the lock bolt, the door lock is locked.

4. The door lock device according to claim 2, characterized in that: The switch circuit comprises a first contact switch; The first end of the first contact switch is connected to the detection circuit, and the second end of the first contact switch is connected to the transmission member.

5. The door lock device according to claim 4, characterized in that: The door lock device further includes a light emitting module, and the switch circuit further includes a second contact switch; A first end of the second contact switch is connected to the detection circuit, and a second end of the second contact switch is connected to the light emitting module.

6. The door lock device according to claim 1, characterized in that: The detection circuit includes a first power supply, a processing module and a third contact switch; The processing module is connected to the power distribution circuit and the third contact switch respectively; the third contact switch is connected between the first power supply and the switch circuit.

7. The door lock device according to claim 6, characterized in that: The processing module includes a detection interface and a processing chip; The detection interface is connected between the power distribution circuit and the processing chip, and the processing chip is connected to the third contact switch.

8. The door lock device according to claim 7, characterized in that: The processing module also includes a first resistor, a first transistor and a second power supply; The first end of the first resistor is connected to the processing chip, the second end of the first resistor is connected to the base of the first transistor, the emitter of the first transistor is connected to the ground wire, and the third contact switch is connected between the collector of the first transistor and the second power supply.

9. The door lock device according to any one of claims 2 to 5, characterized in that: The transmission member is an electromagnet.

10. An energy storage and distribution device, characterized in that: It comprises a power distribution equipment body and a door lock device as claimed in any one of claims 1 to 9; The door lock device is arranged on the power distribution equipment body.

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