WO2024050748A1 - 电磁锁系统的控制方法和电磁锁系统 - Google Patents

电磁锁系统的控制方法和电磁锁系统 Download PDF

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Publication number
WO2024050748A1
WO2024050748A1 PCT/CN2022/117746 CN2022117746W WO2024050748A1 WO 2024050748 A1 WO2024050748 A1 WO 2024050748A1 CN 2022117746 W CN2022117746 W CN 2022117746W WO 2024050748 A1 WO2024050748 A1 WO 2024050748A1
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WIPO (PCT)
Prior art keywords
electromagnetic lock
voltage switch
switch cabinet
current
relay
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Application number
PCT/CN2022/117746
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English (en)
French (fr)
Inventor
缪鸿杰
余东旭
卢艳华
陈梦佳
余勇铮
梁李柳元
Original Assignee
宁德时代新能源科技股份有限公司
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Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to PCT/CN2022/117746 priority Critical patent/WO2024050748A1/zh
Publication of WO2024050748A1 publication Critical patent/WO2024050748A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/155—Indicating the presence of voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/16—Earthing arrangements

Definitions

  • the present application relates to the field of electric power technology, and in particular to a control method of an electromagnetic lock system and an electromagnetic lock system.
  • High-voltage switchgear plays the role of switching, control or protection in the power generation, transmission, distribution, power conversion and consumption of the power system.
  • Embodiments of the present application provide a control method and an electromagnetic lock system for an electromagnetic lock system, which can improve the safety and reliability of high-voltage switch cabinets, avoid safety accidents, and ensure the safe operation of the power system.
  • a control method for an electromagnetic lock system includes: obtaining the switching state of a relay in an energy storage device, which is loaded in a high-voltage switch cabinet; based on the switching state of the relay , to control the opening or closing of the electromagnetic lock provided on the high-voltage switch cabinet.
  • the control method of the electromagnetic lock system can control the switching state of the electromagnetic lock, thereby controlling the switching state of the high-voltage switch cabinet.
  • the energy storage device is loaded in the high-voltage switch cabinet, obtains the switching state of the relay in the energy storage device, and controls the switching state of the electromagnetic lock provided on the high-voltage switch cabinet based on the switching state of the relay. That is to say, based on the switching status of the relay, it can be determined whether the energy storage device is energized, thereby controlling the switching status of the electromagnetic lock to control the opening or closing of the high-voltage switch cabinet, avoiding maintenance personnel from making mistakes when the energy storage device is charged. into the high-voltage switch cabinet to avoid safety accidents.
  • obtaining the switching state of the relay in the energy storage device includes: obtaining the switching state of the relay from a sub-module controller of the energy storage device.
  • the sub-module controller of the energy storage device can obtain the switching status of the relay in the energy storage device, obtain the switching status of the relay from the sub-module controller, and control the electromagnetic lock to open or close based on the switching status of the relay.
  • control method further includes: obtaining the charged state of the high-voltage switch cabinet; and controlling the opening or closing of the electromagnetic lock provided on the high-voltage switch cabinet includes: based on the switching state of the relay and the charged state of the high-voltage switch cabinet to control the opening or closing of the electromagnetic lock.
  • the obtaining the charged state of the high-voltage switch cabinet includes: obtaining the first current of the high-voltage switch cabinet from the current input side of the high-voltage switch cabinet; and controlling the high-voltage switch. Opening or closing the electromagnetic lock provided on the cabinet includes: controlling the opening or closing of the electromagnetic lock based on the switching state of the relay and the first current.
  • the first current of the high-voltage switch cabinet is obtained from the current input side of the high-voltage switch cabinet, and the first current is used to determine whether the high-voltage switch cabinet is charged. That is to say, based on the switching state of the relay and the first current, the electromagnetic lock is controlled to open or close, preventing maintenance personnel from accidentally entering the high-voltage switch cabinet when the energy storage device is powered or the high-voltage switch cabinet is powered, and safety accidents are avoided. .
  • obtaining the charged state of the high-voltage switch cabinet includes: obtaining the second current of the high-voltage switch cabinet from the current output side of the high-voltage switch cabinet; and controlling the high-voltage switch. Opening or closing the electromagnetic lock provided on the cabinet includes: controlling the opening or closing of the electromagnetic lock based on the switch state of the relay, the first current and the second current.
  • the first current of the high-voltage switch cabinet is obtained from the current input side of the high-voltage switch cabinet, but also the second current of the high-voltage switch cabinet is obtained from the current output side of the high-voltage switch cabinet.
  • the first current and the second current are used to determine whether the high-voltage switch cabinet is It is charged to improve the accuracy of judging the charged status of the high-voltage switch cabinet. That is to say, based on the switching state of the relay, the first current and the second current, the electromagnetic lock is controlled to open or close, preventing maintenance personnel from accidentally entering the high-voltage switch cabinet when the high-voltage switch cabinet is powered, and avoiding safety accidents.
  • control method further includes: based on the switching state of the relay and the charging state of the high-voltage switch cabinet, controlling the indicator light of the charging indicating device to turn on or off.
  • the indicator light of the live indicating device is controlled to turn on or off, so that maintenance personnel can easily and quickly know the switching status of the relay and the charged status of the high-voltage switch cabinet through the turning on or off of the indicator light. status, and then determine whether it is possible to enter the high-voltage switch cabinet for maintenance work.
  • an electromagnetic lock system including: an electromagnetic lock and a control module.
  • the electromagnetic lock is arranged on a high-voltage switch cabinet and is used to control the switching state of the high-voltage switch cabinet.
  • the high-voltage switch cabinet is used to load energy storage.
  • the control module is communicatively connected to the energy storage device, and the control module is used to obtain status information of the relay in the energy storage device.
  • the electromagnetic lock system provided by the embodiment of the present application includes an electromagnetic lock and a control module.
  • the control module is communicatively connected with the energy storage device and obtains the status information of the relay in the energy storage device.
  • the electromagnetic lock controls the high-voltage switch cabinet loaded with the energy storage device. switch status to prevent maintenance personnel from accidentally entering the high-voltage switch cabinet when the energy storage device is charged, thus avoiding safety accidents.
  • the energy storage device includes a sub-module controller
  • the control module is communicatively connected with the sub-module controller
  • the control module is used to obtain the data from the sub-module controller. Describes the status information of the relay.
  • the control module is communicatively connected with the sub-module controller of the energy storage device to obtain the status information of the relay from the sub-module controller.
  • a first current sensor is provided on the current input side of the high-voltage switch cabinet, and the first current sensor is used to obtain the first current information of the high-voltage switch cabinet and transmit the first current information to the high-voltage switch cabinet.
  • a current information is sent to the control module.
  • a first current sensor is arranged on the current input side of the high-voltage switch cabinet to obtain the first current information of the high-voltage switch cabinet and send it to the control module of the electromagnetic lock system, so that the control module obtains the first current information of the high-voltage switch cabinet.
  • a second current sensor is provided on the current output side of the high-voltage switch cabinet, and the second current sensor is used to obtain the second current information of the high-voltage switch cabinet and send the second current information to the high-voltage switch cabinet.
  • the second current information is sent to the control module.
  • a second current sensor is provided on the current output side of the high-voltage switch cabinet to obtain the second current information of the high-voltage switch cabinet and send it to the control module of the electromagnetic lock system, so that the control module obtains the second current information of the high-voltage switch cabinet.
  • the electromagnetic lock system further includes a charged display device, and the charged display device is connected in parallel with the attraction coil of the electromagnetic lock.
  • the charged display device and the pull-in coil of the electromagnetic lock are connected in parallel, so that the energization states of the charged display device and the pull-in coil of the electromagnetic lock can be independent of each other in the control circuit of the electromagnetic lock system.
  • the electromagnetic lock system further includes a first power supply and a second power supply connected in parallel, and the first power supply and the second power supply are respectively connected with the pull-in coil of the electromagnetic lock and the The charged display devices are connected in series, the first power supply is used to provide electric energy for the electromagnetic lock system, and the second power supply is used to provide electric energy for the electromagnetic lock system when the first power supply cannot provide electric energy.
  • the first power supply and the second power supply connected in parallel are arranged to provide electric energy for the electromagnetic lock system.
  • the second power supply provides electric energy for the electromagnetic lock system to ensure the normal operation of the electromagnetic lock system.
  • the electromagnetic lock system further includes a fuse, which is connected in series with the pickup coil of the electromagnetic lock to prevent the electromagnetic lock from being damaged when the system current is too high.
  • a control device for an electromagnetic lock system including a processor and a memory.
  • the memory is used to store a computer program.
  • the processor is used to call the computer program so that the control device implements the above-mentioned first step.
  • a computer-readable storage medium stores a computer program.
  • the computing device When the computer program is executed by a computing device, the computing device enables the computing device to implement the above-mentioned first aspect or the method of the first aspect.
  • the electromagnetic lock system includes an electromagnetic lock.
  • the electromagnetic lock is used to control the switching state of a high-voltage switch cabinet.
  • the control method of the electromagnetic lock system can control the switching state of the electromagnetic lock, thereby controlling the switching state of the high-voltage switch cabinet.
  • the energy storage device is loaded in the high-voltage switch cabinet, obtains the switching state of the relay in the energy storage device, and controls the switching state of the electromagnetic lock provided on the high-voltage switch cabinet based on the switching state of the relay.
  • the switching status of the relay it can be determined whether the energy storage device is energized, thereby controlling the switching status of the electromagnetic lock to control the opening or closing of the high-voltage switch cabinet, avoiding maintenance personnel from making mistakes when the energy storage device is charged. into the high-voltage switch cabinet to avoid safety accidents.
  • Figure 1 is a schematic diagram of a power system disclosed in an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of an electromagnetic lock disclosed in an embodiment of the present application.
  • Figure 3 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 4 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 5 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 6 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 7 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 8 is a schematic block diagram of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 9 is a schematic diagram of a DC energy storage device disclosed in an embodiment of the present application.
  • Figure 10 is a schematic diagram of a power system disclosed in an embodiment of the present application.
  • Figure 11 is an electrical principle diagram of an electromagnetic lock system disclosed in an embodiment of the present application.
  • Figure 12 is a schematic diagram of a control device of an electromagnetic lock system disclosed in an embodiment of the present application.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment may be included in at least one embodiment of the application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
  • the electric power system is an electric energy production and consumption system composed of power plants, transmission and transformation lines, power supply and distribution stations, and electricity consumption. Its function is to convert primary energy in nature into electrical energy through power generation devices, and then supply the electrical energy to various users through power transmission, transformation and distribution. In order to realize this function, the power system also has corresponding information and control systems at various links and different levels to measure, regulate, control, protect, communicate and dispatch the electric energy production process to ensure that users receive safe and high-quality electric energy. .
  • High-voltage switchgear plays the role of switching, control or protection in the power generation, transmission, distribution, power conversion and consumption of the power system.
  • the high-voltage switch cabinet carries an energy storage device for transmitting electrical energy. If operators and maintenance personnel accidentally enter the high-voltage switch cabinet when the energy storage device or high-voltage switch cabinet is charged, there is a risk of electric shock. Therefore, how to improve the safety and reliability of high-voltage switchgear, avoid safety accidents, and ensure the safe operation of the power system is an urgent problem that needs to be solved.
  • the electromagnetic lock system includes an electromagnetic lock.
  • the electromagnetic lock is used to control the switching state of a high-voltage switch cabinet.
  • the control method of the electromagnetic lock system can control the switching state of the electromagnetic lock, thereby controlling the switching state of the high-voltage switch cabinet.
  • the energy storage device is loaded in the high-voltage switch cabinet, obtains the switching state of the relay in the energy storage device, and controls the switching state of the electromagnetic lock provided on the high-voltage switch cabinet based on the switching state of the relay.
  • the switching status of the relay it can be determined whether the energy storage device is energized, thereby controlling the switching status of the electromagnetic lock to control the opening or closing of the high-voltage switch cabinet, avoiding maintenance personnel from making mistakes when the energy storage device is charged. into the high-voltage switch cabinet to avoid safety accidents.
  • Figure 1 is a schematic diagram of a power system 100 provided by this application.
  • the power system 100 includes an electromagnetic lock system 101 , a high-voltage switch cabinet 102 and an energy storage device 103 .
  • the electromagnetic lock system 101 includes an electromagnetic lock 1011.
  • the electromagnetic lock 1011 is installed on the high-voltage switch cabinet 102 and is used to control the switching state of the high-voltage switch cabinet 102.
  • the high-voltage switch cabinet 102 is used to load the energy storage device 103.
  • FIG. 2 is a schematic structural diagram of the electromagnetic lock 1011 disclosed in an embodiment of the present application.
  • the electromagnetic lock 1011 includes a lock core 1011a, a shell 1011b, an attraction coil 1011c, a return spring 1011d, and a mechanical lock hole 1011e.
  • the electromagnetic lock 1011 is a device designed based on the principle of electromagnetic generation.
  • the pull-in coil 1011c When the pull-in coil 1011c is energized, the lock core 1011a shrinks toward the inside of the electromagnetic lock 1011, the return spring 1011d is in a compressed state, and the electromagnetic lock 1011 is in an open state; when the pull-in coil When 1011c is not powered on, the lock core 1011a is in a state of extending to the outside of the electromagnetic lock 1011, the return spring 1011d is not compressed, and the electromagnetic lock 1011 is in a closed state.
  • the electromagnetic lock 1011 can produce strong suction, has low power consumption, stable and reliable quality, has monitoring signal feedback output, prevents external damage, has no noise, and has fire protection and anti-theft characteristics.
  • FIG 3 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in an embodiment of the present application.
  • the electromagnetic lock system may be the electromagnetic lock system 101 in Figure 1 .
  • the energy storage device is loaded in the high-voltage switch cabinet.
  • the relay is an automatic switching element with isolation function, which plays the roles of automatic adjustment, safety protection, conversion circuit, etc. in the circuit.
  • whether the energy storage device is energized or not is related to the switching state of the relay.
  • the electromagnetic lock set on the control high-voltage switch cabinet is in the closed state, and the electromagnetic lock cannot be opened, that is, the high-voltage switch cabinet remains closed. Maintenance personnel cannot enter the high-voltage switch cabinet when the energy storage device is charged, thus avoiding safety accidents.
  • the electromagnetic lock set on the control high-voltage switch cabinet is in the open state, the electromagnetic lock can be opened, and maintenance personnel can enter the high-voltage switch cabinet for maintenance under safe conditions. , to ensure the safe operation of the power system.
  • the switching state of the relay in the energy storage device is obtained, and based on the switching state of the relay, the switching state of the electromagnetic lock provided on the high-voltage switch cabinet is controlled. That is to say, based on the switching status of the relay, it can be determined whether the energy storage device is energized, thereby controlling the switching status of the electromagnetic lock to control the opening or closing of the high-voltage switch cabinet, avoiding maintenance personnel from making mistakes when the energy storage device is charged. into the high-voltage switch cabinet to avoid safety accidents.
  • the switching status of the relay can be obtained from the sub-module controller of the energy storage device.
  • the sub-module controller of the energy storage device can obtain the switching status of the relay in the energy storage device, obtain the switching status of the relay from the sub-module controller, and control the electromagnetic lock to open or close based on the switching status of the relay.
  • FIG. 4 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in another embodiment of the present application.
  • the electromagnetic lock is controlled to be opened or closed.
  • the electromagnetic lock set on the control high-voltage switch cabinet is in the closed state, and the electromagnetic lock cannot be opened. That is to say, the high-voltage switch cabinet remains closed, and maintenance personnel cannot enter the high-voltage switch cabinet when the energy storage device is energized or the high-voltage switch cabinet is energized, thus avoiding safety accidents.
  • the electromagnetic lock set on the control high-voltage switch cabinet is in the open state, the electromagnetic lock can be opened, and the maintenance personnel can safely Under normal circumstances, enter the high-voltage switch cabinet for maintenance to ensure the safe operation of the power system.
  • the electromagnetic lock is controlled to be turned on or off, which avoids the need for maintenance personnel to open or close the energy storage device.
  • the high-voltage switch cabinet is electrified or the high-voltage switch cabinet is electrified, it accidentally enters the high-voltage switch cabinet to avoid safety accidents.
  • FIG. 5 is a schematic flow chart of a control method of an electromagnetic lock system disclosed in another embodiment of the present application.
  • 501 in Figure 5 is similar to 401 in the foregoing embodiments, and reference may be made to the foregoing embodiments. For the sake of simplicity, details will not be described again.
  • the electromagnetic lock provided on the high-voltage switch cabinet is controlled to be in a closed state, and the electromagnetic The lock cannot be opened, that is, the high-voltage switch cabinet remains closed. Maintenance personnel cannot enter the high-voltage switch cabinet when the energy storage device is energized or the high-voltage switch cabinet is energized, thus avoiding safety accidents.
  • the relay When the first current is zero, that is, the high-voltage switch cabinet is not charged, and at the same time, the relay is in the off state, that is, the energy storage device is not energized, the electromagnetic lock set on the high-voltage switch cabinet is controlled to be in the open state, and the electromagnetic lock can be opened. , maintenance personnel can enter the high-voltage switch cabinet for maintenance under safe conditions to ensure the safe operation of the power system.
  • the first current of the high-voltage switch cabinet is obtained from the current input side of the high-voltage switch cabinet, and whether the high-voltage switch cabinet is charged is determined based on the first current. That is to say, based on the switching state of the relay and the first current, the electromagnetic lock is controlled to open or close, preventing maintenance personnel from accidentally entering the high-voltage switch cabinet when the energy storage device is powered or the high-voltage switch cabinet is powered, and safety accidents are avoided. .
  • the second current of the high-voltage switch cabinet can also be obtained at the current output side of the high-voltage switch cabinet.
  • Fig. 6, 601-602 in Fig. 6 are similar to 501-502 in the foregoing embodiment. Reference may be made to the foregoing embodiment. For the sake of brevity, details will not be described again.
  • the electromagnetic lock provided on the high-voltage switch cabinet is controlled to be in the In the closed state, the electromagnetic lock cannot be opened, that is, the high-voltage switch cabinet remains closed, and maintenance personnel cannot enter the high-voltage switch cabinet when the energy storage device is energized or the high-voltage switch cabinet is energized, thus avoiding the occurrence of safety accidents.
  • the electromagnetic lock set on the high-voltage switch cabinet is controlled to be open. status, the electromagnetic lock can be opened, and maintenance personnel can enter the high-voltage switch cabinet for maintenance under safe conditions to ensure the safe operation of the power system.
  • the first current of the high-voltage switch cabinet is obtained from the current input side of the high-voltage switch cabinet
  • the second current of the high-voltage switch cabinet is obtained from the current output side of the high-voltage switch cabinet.
  • the first current of the high-voltage switch cabinet is obtained from the current input side of the high-voltage switch cabinet
  • the second current of the high-voltage switch cabinet is obtained from the current output side of the high-voltage switch cabinet.
  • the second current of the high-voltage switch cabinet can also be obtained only on the current output side of the high-voltage switch cabinet, and based on the switching state of the relay and the second current, the electromagnetic lock can be controlled to open or close. This application does not limit this.
  • the method of obtaining the charged state of the high-voltage switchgear described above is only an exemplary description of the embodiment of the present application and does not constitute a limitation of the present application.
  • This application is not limited to obtaining the first current and the second current.
  • the current information of multiple different nodes in the high-voltage switch cabinet circuit can be obtained, which is not limited in this application.
  • the electromagnetic lock system can also be provided with a charging indicating device.
  • Figure 7 is a schematic flow chart of a control method of the electromagnetic lock system disclosed in another embodiment of the present application.
  • Figure 7 701-702 in are similar to 401-402 in the foregoing embodiments. Reference may be made to the foregoing embodiments. For the sake of brevity, they will not be described again.
  • the relay when the relay is in the closed conduction state, that is, the energy storage device is in the energized state, or the high-voltage switch cabinet is in the charged state, at this time, the indicator light of the control live indicating device lights up, and the maintenance personnel can quickly know the relay according to the indicator light turning on. If the high-voltage switch cabinet is live or the high-voltage switch cabinet is live, it is not allowed to enter the high-voltage switch cabinet for maintenance work.
  • the relay Only when the relay is in the disconnected state, that is, the energy storage device is not energized, and at the same time, the high-voltage switch cabinet is not energized, the indicator light controlling the live indicator device goes out. The maintenance personnel can quickly know that the relay is not energized and the high voltage is high based on the indicator light extinguishing. The switch cabinet is not powered, and the high-voltage switch cabinet can be entered for maintenance work.
  • the indicator light of the live indicating device is controlled to turn on or off, so that maintenance personnel can easily and quickly know the switching status of the relay and the charged status of the high-voltage switch cabinet through the turning on or off of the indicator light. status, and then determine whether it is possible to enter the high-voltage switch cabinet for maintenance work.
  • FIG 8 is a schematic diagram of the electromagnetic lock system 101 disclosed in an embodiment of the present application.
  • the electromagnetic lock system 101 may include an electromagnetic lock 1011 and a control module 1012.
  • the electromagnetic lock 1011 is installed on the high-voltage switch cabinet and is used to control the switching state of the high-voltage switch cabinet.
  • the high-voltage switch cabinet is used to load energy storage devices.
  • the control module 1012 is communicatively connected with the energy storage device 103, and the control module 1012 is used to obtain the status information of the relay in the energy storage device 103.
  • the electromagnetic lock system 101 provided by the embodiment of the present application includes an electromagnetic lock 1011 and a control module 1012.
  • the control module 1012 is communicatively connected with the energy storage device 103 and obtains the status information of the relay in the energy storage device 103.
  • the electromagnetic lock 1011 controls the energy storage device 101.
  • the switch state of the high-voltage switch cabinet 102 of the energy storage device 103 is controlled to prevent maintenance personnel from accidentally entering the high-voltage switch cabinet 103 when the energy storage device 103 is charged, thus avoiding the occurrence of safety accidents.
  • the control module 1012 and the energy storage device 103 can be connected through wireless communication methods such as 3G/4G/5G/ETH.
  • the energy storage device mentioned in this application refers to a device that can store electrical energy.
  • it may be a DC energy storage device.
  • FIG. 9 is a schematic diagram of a DC energy storage device 903 disclosed in an embodiment of the present application.
  • the DC energy storage device 903 includes multiple energy storage sub-modules 9031 , and the multiple energy storage sub-modules 9031 are connected in series.
  • the energy storage sub-module 9031 includes a power module 9031(a) and a battery module 9031(b).
  • the power module 9031(a) and the battery module 9031(b) are connected in parallel.
  • a relay 9032 is provided between the power module 9031(a) and the battery module 9031(b).
  • the DC energy storage device 903 may also include a sub-module controller (not shown in the figure), which can obtain the status information of the relay 9032.
  • the control module 1012 is communicatively connected with the sub-module controller, and obtains the status information of the relay from the sub-module controller, where the status information includes the switching status of the relay.
  • the control module 1012 and the sub-module controller can communicate through wireless communication methods such as 3G/4G/5G/ETH.
  • the sub-module controller can also control the on and off of the power module 9031(a), and can also rely on optical fibers to interact with the BMS, receive the current and voltage of the DC energy storage device 903 obtained by the BMS, and convert the This current and voltage information is transmitted to the control module 1012 of the electromagnetic lock system 101.
  • the DC energy storage device 903 may also include components such as a reactor 9033, which is not limited in this application.
  • the power module 9031(a) of the energy storage sub-module 9031 can be a power module composed of an insulated gate bipolar transistor (IGBT).
  • IGBT power module has large input impedance, small driving power, and control The circuit is simple, the switching loss is small, the switching speed is fast, the operating frequency is high, and the component capacity is large.
  • the power module 9031(a) of the energy storage sub-module 9031 in this application can also be other types of power modules.
  • the power module 9031(a) may be a full-bridge power module, as shown in (c) of Figure 9, or a half-bridge power module, as shown in (b) of Figure 9.
  • the battery module 9031(b) of the energy storage sub-module 9031 may be a single-branch series battery module or a multi-branch parallel battery module, which is not limited in this application.
  • a first current sensor is provided on the current input side of the high-voltage switch cabinet.
  • the first current sensor is used to obtain the first current information of the high-voltage switch cabinet and send the first current information to the control unit.
  • the first current information includes the first current of the high-voltage switch cabinet.
  • a first current sensor is arranged on the current input side of the high-voltage switch cabinet to obtain the first current information of the high-voltage switch cabinet and send it to the control module of the electromagnetic lock system, so that the control module obtains the first current information of the high-voltage switch cabinet.
  • a second current sensor is provided on the current output side of the high-voltage switch cabinet.
  • the second current sensor is used to obtain the second current information of the high-voltage switch cabinet and send the second current information to the control unit.
  • the second current information includes the second current of the high-voltage switch cabinet.
  • a second current sensor is provided on the current output side of the high-voltage switch cabinet to obtain the second current information of the high-voltage switch cabinet and send it to the control module of the electromagnetic lock system, so that the control module obtains the second current information of the high-voltage switch cabinet.
  • the high-voltage switch cabinet 102 may include a first cabinet door 1021 and a second cabinet door 1022 arranged oppositely.
  • the first cabinet door 1021 is provided with a first current sensor 1041
  • the second cabinet door 1022 is provided with a first current sensor 1041.
  • a second current sensor 1042 is provided.
  • first current sensor 1041 is provided on the first cabinet door 1021 and the second current sensor 1042 is provided on the second cabinet door 1022. This is only an exemplary description of the present application and does not constitute a limitation of the present application.
  • the first current sensor and the second current sensor are Hall current sensors.
  • the Hall current sensor is a magnetic sensor that uses the Hall effect of semiconductor materials to measure, and can measure arbitrary waveform currents, such as: DC, AC, pulse waveforms, etc., even the measurement of transient peak values, with high accuracy and good linearity.
  • Figure 11 is an electrical schematic diagram of the electromagnetic lock system 101 disclosed in an embodiment of the present application.
  • the electromagnetic lock system 101 may include a first switch S1, and the first switch S1 is connected in series with the pull-in coil L1 of the electromagnetic lock.
  • the circuit where the electromagnetic lock pickup coil L1 is located can be turned on by controlling the conduction of the first switch S1, the electromagnetic lock pickup coil L1 is energized, the lock core 1011a contracts inward, the return spring 1011d is in a compressed state, and the electromagnetic lock 1011 In the open state, the high voltage switch cabinet 102 can be opened.
  • the circuit where the electromagnetic lock pickup coil L1 is located can be disconnected by controlling the disconnection of the first switch S1.
  • the electromagnetic lock pickup coil L1 is not energized, the lock core 1011a is in a state of extending to the outside of the electromagnetic lock 1011, and the return spring 1011d will not be Compression, the electromagnetic lock 1011 is in a closed state, and the high-voltage switch cabinet 102 cannot be opened.
  • the first switch S1 is connected in series with the pull-in coil L1 of the electromagnetic lock.
  • the conduction and disconnection of the circuit where the pull-in coil L1 of the electromagnetic lock is located is controlled. Control whether the pull-in coil L1 is energized or not, so that the electromagnetic lock is in an open state when the pull-in coil L1 is energized, and is in a closed state when the pull-in coil L1 is not energized, that is, by controlling the first switch S1, the electromagnetic lock is controlled Control of switch status.
  • the electromagnetic lock system 101 also includes a second switch S2 and a charged display device L2.
  • the second switch S2 and the charged display device L2 are connected in series and are connected with the first switch S1. Connect in parallel with pull-in coil L1.
  • the circuit where the charged display device L2 is located can be turned on by controlling the conduction of the second switch S2, and the indicator light of the charged display device L2 lights up to remind the maintenance personnel not to enter the high-voltage switch cabinet for maintenance.
  • the circuit where the live display device L2 is located can be disconnected by controlling the disconnection of the second switch S2, and the indicator light of the live display device L2 goes out, reminding maintenance personnel that they can enter the high-voltage switch cabinet for maintenance.
  • the charged display device and the pull-in coil of the electromagnetic lock are connected in parallel.
  • the energization states of the charged display device and the pull-in coil of the electromagnetic lock can be independent of each other in the control circuit of the electromagnetic lock system.
  • the indicator light of the live display device is controlled to turn on or off, so as to remind the maintenance personnel whether they can enter the high-voltage switch cabinet for maintenance.
  • the electromagnetic lock system 101 also includes a first power supply 105(a) and a second power supply 105(b) connected in parallel.
  • the first power supply 105(a) is used to provide The electromagnetic lock system 101 provides electric energy
  • the second power supply 105(b) is used to provide electric energy to the electromagnetic lock system 101 when the first power supply 105(a) cannot provide electric energy.
  • the first power supply 105(a) and the second power supply 705(b) are arranged in parallel to provide electric energy for the electromagnetic lock system 101.
  • the first power supply 105(a) cannot provide electric energy
  • the second power supply 105(b) is used for the electromagnetic lock.
  • the system provides electrical energy to ensure the normal operation of the electromagnetic lock system.
  • the second power supply 105(b) is a detachable power supply.
  • the second power supply 105(b) fails, it is easy to disassemble and replace the second power supply 105(b) with a new one.
  • the mechanical lock cylinder of the electromagnetic lock can be used to mechanically unlock the lock by rotating the mechanical key, shrinking the lock cylinder and compressing the lock.
  • the return spring keeps the electromagnetic lock in the open state.
  • the electromagnetic lock system 101 also includes a fuse, which is connected in series with the pickup coil L1 of the electromagnetic lock to prevent the electromagnetic lock from being blocked when the system current is too high. damage.
  • one fuse or multiple fuses may be provided, and may be provided between the first power supply and the first switch S1, or between the first power supply and the pull-in coil L1, or at the same time. Fuses are provided between the first power supply and the first switch S1 and between the first power supply and the pull-in coil L1, such as the two fuses FU1 and FU2 in Figure 11.
  • the embodiment of the present application also provides a control device 1200 for an electromagnetic lock system.
  • the control device 1200 includes a processor 1201 and a memory 1202.
  • the memory 1202 is used to store computer programs, and the processor 1201 is used to store computer programs.
  • the computer program is called to cause the control device 1200 to implement the control methods of the various embodiments of the present application.
  • Embodiments of the present application also provide a readable storage medium for storing a computer program.
  • the computer program When executed by a computing device, the computing device implements the control methods of the various embodiments of the present application.

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Abstract

本申请实施例提供一种电磁锁系统的控制方法和电磁锁系统。该控制方法包括：获取储能装置中的继电器的开关状态，储能装置装载于高压开关柜；基于继电器的开关状态，控制高压开关柜上设置的电磁锁开启或关闭。本申请实施例的技术方案，能够提高高压开关柜的安全可靠性，避免安全事故的发生，确保供电系统的安全运行。

Description

电磁锁系统的控制方法和电磁锁系统 技术领域
本申请涉及电力技术领域，特别是涉及一种电磁锁系统的控制方法和电磁锁系统。
背景技术
高压开关柜在电力系统的发电、输电、配电、电能转换和消耗中起通断、控制或保护等作用。
随着社会不断发展，用户对于高压开关柜这类开关设备的操作可靠性和安全可靠性要求日益提高，特别是操作、检修人员误入带电隔间的事故日益发生，因此如何提高高压开关柜的安全可靠性，避免安全事故的发生，确保电力系统的安全运行，是目前一项亟待解决的问题。
发明内容
本申请实施例提供了一种电磁锁系统的控制方法和电磁锁系统，能够提高高压开关柜的安全可靠性，避免安全事故的发生，确保电力系统的安全运行。
第一方面，提供了一种电磁锁系统的控制方法，所述控制方法包括：获取储能装置中的继电器的开关状态，所述储能装置装载于高压开关柜；基于所述继电器的开关状态，控制所述高压开关柜上设置的电磁锁开启或关闭。
本申请实施例提供的电磁锁系统的控制方法，能够控制电磁锁的 开关状态，进而实现对高压开关柜的开关状态的控制。具体地，储能装置装载于高压开关柜中，获取储能装置中的继电器的开关状态，基于继电器的开关状态，控制高压开关柜上设置的电磁锁的开关状态。也就是说，基于继电器的开关状态，可以判断储能装置是否通电，从而控制电磁锁的开关状态，以实现控制高压开关柜的开启或关闭，避免了检修人员在储能装置带电的情况下误入高压开关柜里，避免了安全事故的发生。
在一种可能的实现方式中，所述获取储能装置中的继电器的开关状态包括：从所述储能装置的子模块控制器获取所述继电器的开关状态。
储能装置的子模块控制器可以获取储能装置中的继电器的开关状态，从子模块控制器中获取继电器的开关状态，并基于继电器的开关状态，控制电磁锁开启或关闭。
在一种可能的实现方式中，所述控制方法还包括：获取所述高压开关柜的带电状态；所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态和所述高压开关柜的带电状态，控制所述电磁锁开启或关闭。
不仅获取继电器的开关状态，还获取高压开关柜的带电状态，并基于继电器开关状态和高压开关柜的带电状态，控制电磁锁开启或关闭，避免了检修人员在储能装置带电或高压开关柜带电的情况下误入高压开关柜里，避免了安全事故的发生。
在一种可能的实现方式中，所述获取所述高压开关柜的带电状态包括：从所述高压开关柜的电流输入侧获取所述高压开关柜的第一电流；所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态和所述第一电流，控制所述电磁锁开启或关闭。
从高压开关柜的电流输入侧获取高压开关柜的第一电流，通过第 一电流来判断高压开关柜是否带电。也就是说，基于继电器的开关状态和第一电流，控制电磁锁开启或关闭，避免检修人员在储能装置带电或高压开关柜带电的情况下误入高压开关柜里，避免了安全事故的发生。
在一种可能的实现方式中，所述获取所述高压开关柜的带电状态包括：从所述高压开关柜的电流输出侧获取所述高压开关柜的第二电流；所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态、所述第一电流和所述第二电流，控制所述电磁锁开启或关闭。
不仅从高压开关柜的电流输入侧获取高压开关柜的第一电流，还从高压开关柜的电流输出侧获取高压开关柜的第二电流，通过第一电流和第二电流来判断高压开关柜是否带电，以提高对高压开关柜的带电状态的判断的准确性。也就是说，基于继电器的开关状态、第一电流和第二电流，控制电磁锁开启或关闭，避免检修人员在高压开关柜带电的情况下误入高压开关柜里，避免了安全事故的发生。
在一种可能的实现方式中，所述控制方法还包括：基于所述继电器的开关状态和所述高压开关柜的带电状态，控制带电指示装置的指示灯亮灯或熄灭。
基于继电器的开关状态和高压开关柜的带电状态，控制带电指示装置的指示灯亮灯或熄灭，以使检修人员通过指示灯的亮灯或熄灭，简单快速知悉继电器的开关状态和高压开关柜的带电状态，进而判断能否进入高压开关柜中进行检修工作。
第二方面，提供了一种电磁锁系统，包括：电磁锁和控制模块，所述电磁锁设置于高压开关柜上，用于控制高压开关柜的开关状态，所述高压开关柜用于装载储能装置；所述控制模块与所述储能装置通信连接， 所述控制模块用于获取所述储能装置中的继电器的状态信息。
本申请实施例提供的电磁锁系统，包括电磁锁和控制模块，控制模块与储能装置通信连接并获取储能装置中的继电器的状态信息，电磁锁控制装载有储能装置的高压开关柜的开关状态，以防止检修人员在储能装置带电的情况下误入高压开关柜里，避免了安全事故的发生。
在一种可能的实现方式中，所述储能装置包括子模块控制器，所述控制模块与所述子模块控制器通信连接，所述控制模块用于从所述子模块控制器中获取所述继电器的状态信息。
控制模块与储能装置的子模块控制器通信连接，从而从子模块控制器中获取继电器的状态信息。
在一种可能的实现方式中，所述高压开关柜的电流输入侧设置有第一电流传感器，所述第一电流传感器用于获取所述高压开关柜的第一电流信息，并将所述第一电流信息发送至所述控制模块。
在高压开关柜的电流输入侧设置第一电流传感器，获取高压开关柜的第一电流信息，并发送至电磁锁系统的控制模块，以使控制模块获取高压开关柜的第一电流信息。
在一种可能的实现方式中，所述高压开关柜的电流输出侧设置有第二电流传感器，所述第二电流传感器用于获取所述高压开关柜的第二电流信息，并将所述第二电流信息发送至所述控制模块。
在高压开关柜的电流输出侧设置第二电流传感器，获取高压开关柜的第二电流信息，并发送至电磁锁系统的控制模块，以使控制模块获取高压开关柜的第二电流信息。
在一种可能的实现方式中，所述电磁锁系统还包括带电显示装置， 所述带电显示装置与所述电磁锁的吸合线圈并联连接。
带电显示装置与电磁锁的吸合线圈并联连接，这样，带电显示装置与电磁锁的吸合线圈在电磁锁系统的控制电路中的通电状态可以相互独立。
在一种可能的实现方式中，所述电磁锁系统还包括并联的第一电源和第二电源，所述第一电源和所述第二电源分别与所述电磁锁的吸合线圈和所述带电显示装置串联连接，所述第一电源用于为所述电磁锁系统提供电能，所述第二电源用于在所述第一电源无法提供电能时，为所述电磁锁系统提供电能。
设置并联的第一电源和第二电源为电磁锁系统提供电能，当第一电源无法提供电能时，由第二电源为电磁锁系统提供电能，以保证电磁锁系统的正常运行。
在一种可能的实现方式中，所述电磁锁系统还包括熔断器，所述熔断器与所述电磁锁的吸合线圈串联连接，以避免电磁锁在系统电流过高时被损坏。
第三方面，提供了一种电磁锁系统的控制装置，包括处理器和存储器，所述存储器用于存储计算机程序，所述处理器用于调用所述计算机程序，使所述控制装置实现上述第一方面或第一方面的任一种可能的实现方式中所述的控制方法。
第四方面，提供了一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述计算机程序被计算设备执行时使得所述计算设备实现上述第一方面或第一方面的任一种可能的实现方式中所述的控制方法。
本申请提供了一种电磁锁系统的控制方法，该电磁锁系统包括电 磁锁，电磁锁用于控制高压开关柜的开关状态。该电磁锁系统的控制方法，能够控制电磁锁的开关状态，进而实现对高压开关柜的开关状态的控制。具体地，储能装置装载于高压开关柜中，获取储能装置中的继电器的开关状态，基于继电器的开关状态，控制高压开关柜上设置的电磁锁的开关状态。也就是说，基于继电器的开关状态，可以判断储能装置是否通电，从而控制电磁锁的开关状态，以实现控制高压开关柜的开启或关闭，避免了检修人员在储能装置带电的情况下误入高压开关柜里，避免了安全事故的发生。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据附图获得其他的附图。
图1是本申请一实施例公开的一种电力系统的示意图；
图2是本申请一实施例公开的一种电磁锁的结构示意图；
图3是本申请一实施例公开的一种电磁锁系统的控制方法的示意性流程图；
图4是本申请一实施例公开的一种电磁锁系统的控制方法的示意性流程图；
图5是本申请一实施例公开的一种电磁锁系统的控制方法的示意性流程图；
图6是本申请一实施例公开的一种电磁锁系统的控制方法的示意性流程图；
图7是本申请一实施例公开的一种电磁锁系统的控制方法的示意性流程图；
图8是本申请一实施例公开的一种电磁锁系统的示意性框图；
图9是本申请一实施例公开的一种直流储能装置的示意图；
图10是本申请一实施例公开的一种电力系统的示意图；
图11是本申请一实施例公开的一种电磁锁系统的电气原理图；
图12是本申请一实施例公开的一种电磁锁系统的控制装置的示意图。
在附图中，附图并未按照实际的比例绘制。
具体实施方式
下面结合附图和实施例对本申请的实施方式作进一步详细描述。以下实施例的详细描述和附图用于示例性地说明本申请的原理，但不能用来限制本申请的范围，即本申请不限于所描述的实施例。
在本申请的描述中，需要说明的是，除非另有说明，“多个”的含义是两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方位或位置关系仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。“垂直”并不是严格意义上的垂直，而是在误差允许范围之内。“平行”并不是严格意义上的平行，而是在误差允许范围之内。
在本申请中提及“实施例”意味着，结合实施例描述的特定特征、 结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本申请所描述的实施例可以与其它实施例相结合。
下述描述中出现的方位词均为图中示出的方向，并不是对本申请的具体结构进行限定。在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本申请中的具体含义。
本申请中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本申请中字符“/”，一般表示前后关联对象是一种“或”的关系。
电力系统是由发电厂、送变电线路、供配电所和用电等环节组成的电能生产与消费系统。它的功能是将自然界的一次能源通过发电动力装置转化成电能，再经输电、变电和配电将电能供应到各用户。为实现这一功能，电力系统在各个环节和不同层次还具有相应的信息与控制系统，对电能的生产过程进行测量、调节、控制、保护、通信和调度，以保证用户获得安全、优质的电能。
高压开关柜在电力系统的发电、输电、配电、电能转换和消耗中起通断、控制或保护等作用。高压开关柜承载着用于传输电能的储能装置，若操作、检修人员在储能装置或高压开关柜带电的情况下误入高压开关柜中，则存在触电风险。因此如何提高高压开关柜的安全可靠性，避免安全 事故的发生，确保电力系统的安全运行，是目前一项亟待解决的问题。
鉴于此，本申请提供了一种电磁锁系统的控制方法，该电磁锁系统包括电磁锁，电磁锁用于控制高压开关柜的开关状态。该电磁锁系统的控制方法，能够控制电磁锁的开关状态，进而实现对高压开关柜的开关状态的控制。具体地，储能装置装载于高压开关柜中，获取储能装置中的继电器的开关状态，基于继电器的开关状态，控制高压开关柜上设置的电磁锁的开关状态。也就是说，基于继电器的开关状态，可以判断储能装置是否通电，从而控制电磁锁的开关状态，以实现控制高压开关柜的开启或关闭，避免了检修人员在储能装置带电的情况下误入高压开关柜里，避免了安全事故的发生。
图1是本申请提供的一种电力系统100的示意图。
如图1所示，该电力系统100包括电磁锁系统101、高压开关柜102以及储能装置103。
电磁锁系统101包括电磁锁1011，该电磁锁1011设置于高压开关柜102上，用于控制高压开关柜102的开关状态，高压开关柜102用于装载储能装置103。
图2是本申请一实施例公开的电磁锁1011的示意性结构图。
如图2所示，电磁锁1011包括锁芯1011a、外壳1011b、吸合线圈1011c、复位弹簧1011d、机械锁孔1011e。
电磁锁1011是利用电生磁的原理设计的装置，当吸合线圈1011c通电时，锁芯1011a向电磁锁1011内部收缩，复位弹簧1011d处于压缩状态，电磁锁1011处于开启状态；当吸合线圈1011c不通电时，锁芯1011a处于向电磁锁1011外部延伸的状态，复位弹簧1011d不会被压缩，电磁锁1011处于关闭状态。
与传统锁相比，电磁锁1011能够产生强大的吸力，电源耗能低，质量稳定可靠，具有监控信号反馈输出，防外界破坏，无噪音及具有消防与防盗特性等优点。
图3是本申请一实施例公开的电磁锁系统的控制方法的示意性流程图。该电磁锁系统可以为图1中的电磁锁系统101。
301，获取储能装置中的继电器的开关状态，储能装置装载于高压开关柜。
继电器是一种具有隔离功能的自动开关元件，在电路中起着自动调节、安全保护、转换电路等作用，在本申请的技术方案中，储能装置通电与否与继电器的开关状态相关。
302，基于继电器的开关状态，控制高压开关柜上设置的电磁锁开启或关闭。
具体地，当继电器处于闭合导通状态，也就是储能装置处于通电状态，此时，控制高压开关柜上设置的电磁锁处于关闭状态，电磁锁不可以被打开，也就是高压开关柜保持关闭，检修人员无法在储能装置带电的情况下进入高压开关柜中，避免了安全事故的发生。
当继电器处于断开状态，也就是储能装置不通电，此时，控制高压开关柜上设置的电磁锁处于开启状态，电磁锁可以被打开，检修人员可以在安全的情况下进入高压开关柜中检修，以确保电力系统的安全运行。
在本申请实施例中，获取储能装置中的继电器的开关状态，基于继电器的开关状态，控制高压开关柜上设置的电磁锁的开关状态。也就是说，基于继电器的开关状态，可以判断储能装置是否通电，从而控制电磁锁的开关状态，以实现控制高压开关柜的开启或关闭，避免了检修人员在储能装置带电的情况下误入高压开关柜里，避免了安全事故的发生。
可选地，在本申请实施例中，可以从储能装置的子模块控制器获取继电器的开关状态。
储能装置的子模块控制器可以获取储能装置中的继电器的开关状态，从子模块控制器中获取继电器的开关状态，并基于继电器的开关状态，控制电磁锁开启或关闭。
上述方案中，根据储能系统的继电器的开关状态，控制电磁锁的开启或关闭。然而在高压开关柜的实际应用中，高压开关柜的柜体也存在短路带电的情况，因此基于上述方案，进一步对电磁锁系统的控制方法进行改进。参照图4，图4是本申请另一实施例公开的电磁锁系统的控制方法的示意性流程图。
401，获取继电器的开关状态。
402，获取高压开关柜的带电状态。
403，基于继电器的开关状态和高压开关柜的带电状态，控制电磁锁开启或关闭。
具体地，在继电器处于闭合导通状态，也就是储能装置处于通电状态，或者高压开关柜处于带电状态，此时，控制高压开关柜上设置的电磁锁处于关闭状态，电磁锁不可以被打开，也就是高压开关柜保持关闭，检修人员无法在储能装置带电，或者高压开关柜带电的情况下进入高压开关柜中，避免了安全事故的发生。
只有在继电器处于断开状态，也就是储能装置不通电，同时，高压开关柜不带电的情况下，控制高压开关柜上设置的电磁锁处于开启状态，电磁锁可以被打开，检修人员可以在安全的情况下进入高压开关柜中检修，以确保电力系统的安全运行。
本申请实施例中，不仅获取继电器的开关状态，还获取高压开关柜的带电状态，并基于继电器开关状态和高压开关柜的带电状态，控制电磁锁开启或关闭，避免了检修人员在储能装置带电或高压开关柜带电的情况下误入高压开关柜里，避免了安全事故的发生。
下面结合附图详细介绍获取高压开关柜的带电状态的方法。
图5是本申请另一实施例公开的电磁锁系统的控制方法的示意性流程图。图5中的501与前述实施例中的401类似，可以参考前述实施例，为了简洁，在此不再赘述。
502，从高压开关柜的电流输入侧获取高压开关柜的第一电流。
503，基于继电器的开关状态和第一电流，控制电磁锁开启或关闭。
具体地，当第一电流不为零，即高压开关柜带电，或者继电器处于闭合导通状态，也就是储能装置处于通电状态，此时，控制高压开关柜上设置的电磁锁处于关闭状态，电磁锁不可以被打开，也就是高压开关柜保持关闭，检修人员无法在储能装置带电，或者高压开关柜带电的情况下进入高压开关柜中，避免了安全事故的发生。
当第一电流为零，即高压开关柜不带电，同时，继电器处于断开状态，也就是储能装置不通电的情况下，控制高压开关柜上设置的电磁锁处于开启状态，电磁锁可以被打开，检修人员可以在安全的情况下进入高压开关柜中检修，以确保电力系统的安全运行。
本申请实施例中，从高压开关柜的电流输入侧获取高压开关柜的第一电流，通过第一电流来判断高压开关柜是否带电。也就是说，基于继电器的开关状态和第一电流，控制电磁锁开启或关闭，避免检修人员在储能装置带电或高压开关柜带电的情况下误入高压开关柜里，避免了安全事 故的发生。
可选地，在本申请实施例中，还可以在高压开关柜的电流输出侧获取高压开关柜的第二电流。参照图6，图6中的601-602与前述实施例中的501-502类似，可以参考前述实施例，为了简洁，在此不再赘述。
603，从高压开关柜的电流输出侧获取高压开关柜的第二电流。
604，基于继电器的开关状态、第一电流和第二电流，控制电磁锁开启或关闭。
具体地，当第一电流或者第二电流不为零，即高压开关柜带电，或者继电器处于闭合导通状态，也就是储能装置处于通电状态，此时，控制高压开关柜上设置的电磁锁处于关闭状态，电磁锁不可以被打开，也就是高压开关柜保持关闭，检修人员无法在储能装置带电，或者高压开关柜带电的情况下进入高压开关柜中，避免了安全事故的发生。
当第一电流为零，且第二电流为零，即高压开关柜不带电，同时，继电器处于断开状态，也就是储能装置不通电的情况下，控制高压开关柜上设置的电磁锁处于开启状态，电磁锁可以被打开，检修人员可以在安全的情况下进入高压开关柜中检修，以确保电力系统的安全运行。
本申请实施例中，不仅从高压开关柜的电流输入侧获取高压开关柜的第一电流，还从高压开关柜的电流输出侧获取高压开关柜的第二电流，通过第一电流和第二电流来判断高压开关柜是否带电，以提高对高压开关柜的带电状态的判断的准确性。也就是说，基于继电器的开关状态、第一电流和第二电流，控制电磁锁开启或关闭，避免检修人员在高压开关柜带电的情况下误入高压开关柜里，避免了安全事故的发生。
应理解，上述方案中，从高压开关柜的电流输入侧获取高压开关柜的第一电流，同时，从高压开关柜的电流输出侧获取高压开关柜的第二 电流。本申请实施例中，也可以仅在高压开关柜的电流输出侧获取高压开关柜的第二电流，并基于继电器的开关状态和第二电流，控制电磁锁开启或关闭。本申请对此不做限定。
应理解，以上所说明的高压开关柜的带电状态的获取方式仅为本申请实施例的示例性说明，不构成对本申请的限定。本申请也不仅限于获取第一电流、第二电流。比如，可以获取高压开关柜电路中的多个不同节点的电流信息，本申请对此不做限定。
可选地，在本申请实施例中，电磁锁系统还可以设置带电指示装置，参照图7，图7是本申请另一实施例公开的电磁锁系统的控制方法的示意性流程图，图7中的701-702与前述实施例中的401-402类似，可以参考前述实施例，为了简洁，在此不再赘述。
703，基于继电器的开关状态和高压开关柜的带电状态，控制带电指示装置的指示灯亮灯或熄灭。
具体地，在继电器处于闭合导通状态，也就是储能装置处于通电状态，或者高压开关柜处于带电状态，此时，控制带电指示装置的指示灯亮灯，检修人员根据指示灯亮灯可以快速知道继电器带电或者高压开关柜带电，不可进入高压开关柜进行检修工作。
只有在继电器处于断开状态，也就是储能装置不通电，同时，高压开关柜不带电的情况下，控制带电指示装置的指示灯熄灭，检修人员根据指示灯熄灭可以快速知道继电器不带电且高压开关柜不带电，可进入高压开关柜进行检修工作。
基于继电器的开关状态和高压开关柜的带电状态，控制带电指示装置的指示灯亮灯或熄灭，以使检修人员通过指示灯的亮灯或熄灭，简单快速知悉继电器的开关状态和高压开关柜的带电状态，进而判断能否进入 高压开关柜中进行检修工作。
上文描述了本申请实施例的电磁锁系统的控制方法，下面描述本申请实施例的电磁锁系统，其中未详细描述的部分可参见前述各实施例。
图8是本申请一实施例公开的电磁锁系统101的示意图，在本申请的实施例中，电磁锁系统101可以包括电磁锁1011和控制模块1012。
电磁锁1011设置于高压开关柜上，用于控制高压开关柜的开关状态，高压开关柜用于装载储能装置。
控制模块1012与储能装置103通信连接，控制模块1012用于获取储能装置103中的继电器的状态信息。
本申请实施例提供的电磁锁系统101，包括电磁锁1011和控制模块1012，控制模块1012与储能装置103通信连接并获取储能装置103中的继电器的状态信息，电磁锁1011控制装载有储能装置103的高压开关柜102的开关状态，以防止检修人员在储能装置103带电的情况下误入高压开关柜103里，避免了安全事故的发生。
控制模块1012与储能装置103可以通过3G/4G/5G/ETH等无线通信方式进行通信连接。
本申请所述的储能装置是指能够储存电能的装置，比如，可以是直流储能装置。
图9是本申请一实施例公开的直流储能装置903的示意图。如图9的(a)所示，直流储能装置903包括多个储能子模块9031，多个储能子模块9031串联连接。如图9的(b)和(c)所示，储能子模块9031包括功率模块9031(a)和电池模块9031(b)，功率模块9031(a)和电池模块9031(b)并联连接，功率模块9031(a)和电池模块9031(b)之间设 置有继电器9032。
可选地，在本身实施例中，直流储能装置903还可以包括子模块控制器(图中未示出)，该子模块控制器可以获取继电器9032的状态信息。控制模块1012与子模块控制器通信连接，并从子模块控制器中获取继电器的状态信息，该状态信息包括继电器的开关状态。控制模块1012与子模块控制器可以通过3G/4G/5G/ETH等无线通信方式进行通信连接。
可选地，子模块控制器还可以控制功率模块9031(a)的导通和断开，还可以依靠光纤与BMS进行信息交互，接收BMS获取的直流储能装置903的电流和电压，并将该电流和电压信息传输至电磁锁系统101的控制模块1012。
可选地，直流储能装置903还可以包括电抗器9033等元件，本申请对此不做限定。
可选地，储能子模块9031的功率模块9031(a)可以为绝缘栅双极型晶体管(Insulated Gate Bipolar Transistor,IGBT)构成的功率模块，IGBT功率模块具有输入阻抗大，驱动功率小，控制电路简单，开关损耗小，通断速度快，工作频率高，元件容量大等优点。应理解，以上所说的IGBT功率模块仅为示例性举例，不构成对本申请的限定，本申请中的储能子模块9031的功率模块9031(a)还可以为其他类型的功率模块。进一步地，功率模块9031(a)可以为全桥式功率模块，如图9中的(c)所示，也可以为半桥式功率模块，如图9中的(b)所示。
可选地，储能子模块9031的电池模块9031(b)可以是单支路串联电池模块，也可以是多支路并联电池模块，本申请对此不做限定。
可选地，在本申请实施例中，高压开关柜的电流输入侧设置有第一电流传感器，第一电流传感器用于获取高压开关柜的第一电流信息，并 将第一电流信息发送至控制模块，该第一电流信息包括高压开关柜的第一电流。
在高压开关柜的电流输入侧设置第一电流传感器，获取高压开关柜的第一电流信息，并发送至电磁锁系统的控制模块，以使控制模块获取高压开关柜的第一电流信息。
可选地，在本申请实施例中，高压开关柜的电流输出侧设置有第二电流传感器，第二电流传感器用于获取高压开关柜的第二电流信息，并将第二电流信息发送至控制模块，该第二电流信息包括高压开关柜的第二电流。
在高压开关柜的电流输出侧设置第二电流传感器，获取高压开关柜的第二电流信息，并发送至电磁锁系统的控制模块，以使控制模块获取高压开关柜的第二电流信息。
具体地，如图10所示，高压开关柜102可以包括相对设置的第一柜门1021和第二柜门1022，第一柜门1021上设置有第一电流传感器1041，第二柜门1022上设置有第二电流传感器1042。
应理解，第一电流传感器1041设置于第一柜门1021，第二电流传感器1042设置于第二柜门1022只是本申请一个示例性的说明，不构成对本申请的限定。
可选地，第一电流传感器和第二电流传感器为霍尔电流传感器，霍尔电流传感器是利用半导体材料的霍尔效应进行测量的一种磁敏式传感器，可以测量任意波形的电流，如：直流、交流、脉冲波形等，甚至对瞬态峰值的测量，精确度高，线性度好。
图11是本申请一实施例公开的电磁锁系统101的电气原理图。
可选地，在本申请实施例中，如图11所示，电磁锁系统101可以包括第一开关S1，第一开关S1与电磁锁的吸合线圈L1串联连接。
具体地，可以通过控制第一开关S1的导通使电磁锁吸合线圈L1所在电路导通，电磁锁吸合线圈L1通电，锁芯1011a向内收缩，复位弹簧1011d处于压缩状态，电磁锁1011处于开启状态，高压开关柜102可以被打开。
可以通过控制第一开关S1的断开使电磁锁吸合线圈L1所在电路断开，电磁锁吸合线圈L1不通电，锁芯1011a处于向电磁锁1011外部延伸的状态，复位弹簧1011d不会被压缩，电磁锁1011处于关闭状态，高压开关柜102不可以被打开。
上述方案中，第一开关S1与电磁锁的吸合线圈L1串联连接，通过控制第一开关S1的导通与断开来控制电磁锁的吸合线圈L1所在电路的导通与断开，进而控制吸合线圈L1的通电与否，使得电磁锁在吸合线圈L1通电时处于开启状态，在吸合线圈L1不通电时处于关闭状态，也就是通过控制第一开关S1，实现对电磁锁的开关状态的控制。
可选地，在本申请实施例中，继续参照图11，电磁锁系统101还包括第二开关S2和带电显示装置L2，第二开关S2和带电显示装置L2串联连接，并与第一开关S1和吸合线圈L1并联连接。
具体地，可以通过控制第二开关S2的导通使带电显示装置L2所在电路导通，带电显示装置L2的指示灯亮灯，提醒检修人员不可进入高压开关柜中进行检修。
可以通过控制第二开关S2的断开使带电显示装置L2所在电路断开，带电显示装置L2的指示灯熄灭，提醒检修人员可以进入高压开关柜中进行检修。
上述方案中，带电显示装置与电磁锁的吸合线圈并联连接，这样，带电显示装置与电磁锁的吸合线圈在电磁锁系统的控制电路中的通电状态可以相互独立。并且通过控制第二开关S1的导通与断开来控制带电显示装置的指示灯亮灯或熄灭，以提醒检修人员是否可以进入高压开关柜中进行检修。
可选地，在本申请实施例中，继续参照图11，电磁锁系统101还包括并联的第一电源105(a)和第二电源105(b)，第一电源105(a)用于为电磁锁系统101提供电能，第二电源105(b)用于在第一电源105(a)无法提供电能时，为电磁锁系统101提供电能。
设置并联的第一电源105(a)和第二电源705(b)为电磁锁系统101提供电能，当第一电源105(a)无法提供电能时，由第二电源105(b)为电磁锁系统提供电能，以保证电磁锁系统的正常运行。
可选地，在本申请实施例中，第二电源105(b)为可拆卸式电源，当第二电源105(b)发生故障时，便于拆卸更换新的第二电源105(b)。
可选地，在第一电源和第二电源均出现故障，无法为电磁锁系统提供电能时，可以利用电磁锁的机械锁芯，用机械开锁的方式，通过机械钥匙旋转，收缩锁芯并压缩复位弹簧，使电磁锁处于开启状态。
可选地，在本申请实施例中，如图11所示，电磁锁系统101还包括熔断器，熔断器与电磁锁的吸合线圈L1串联连接，以避免电磁锁在系统电流过高时被损坏。
可选地，熔断器可以设置一个，也可以设置多个，可以设置于第一电源与第一开关S1之间，也可以设置于第一电源与吸合线圈L1之间，也可以是同时在第一电源与第一开关S1之间以及第一电源与吸合线圈L1 之间都设置有熔断器，比如图11中的两个熔断器FU1和FU2。
本申请实施例还提供了一种电磁锁系统的控制装置1200，如图12所示，该控制装置1200包括处理器1201和存储器1202，其中，存储器1202用于存储计算机程序，处理器1201用于调用计算机程序，使控制装置1200实现前述本申请各种实施例的控制方法。
本申请实施例还提供了一种可读存储介质，用于存储计算机程序，计算机程序被计算设备执行时使得计算设备实现前述本申请各种实施例的控制方法。
虽然已经参考优选实施例对本申请进行了描述，但在不脱离本申请的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (15)

  1. 一种电磁锁系统的控制方法，其特征在于，
    所述控制方法包括：
    获取储能装置中的继电器的开关状态，所述储能装置装载于高压开关柜；
    基于所述继电器的开关状态，控制所述高压开关柜上设置的电磁锁开启或关闭。
  2. 根据权利要求1所述的控制方法，其特征在于，所述获取储能装置中的继电器的开关状态包括：
    从所述储能装置的子模块控制器获取所述继电器的开关状态。
  3. 根据权利要求1或2所述的控制方法，其特征在于，所述控制方法还包括：
    获取所述高压开关柜的带电状态；
    所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态和所述高压开关柜的带电状态，控制所述电磁锁开启或关闭。
  4. 根据权利要求3所述的控制方法，其特征在于，所述获取所述高压开关柜的带电状态包括：
    从所述高压开关柜的电流输入侧获取所述高压开关柜的第一电流；
    所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态和所述第一电流，控制所述电磁锁开启或关闭。
  5. 根据权利要求3所述的控制方法，其特征在于，所述获取所述高压开关柜的带电状态包括：
    从所述高压开关柜的电流输出侧获取所述高压开关柜的第二电流；
    所述控制所述高压开关柜上设置的电磁锁开启或关闭包括：基于所述继电器的开关状态、所述第一电流和所述第二电流，控制所述电磁锁开启或关闭。
  6. 根据权利要求3至5中任一项所述的控制方法，其特征在于，所述控制方法还包括：
    基于所述继电器的开关状态和所述高压开关柜的带电状态，控制带电指示装置的指示灯亮灯或熄灭。
  7. 一种电磁锁系统，其特征在于，包括：
    电磁锁，所述电磁锁设置于高压开关柜上，用于控制高压开关柜开启或闭合，所述高压开关柜用于装载储能装置；和
    控制模块，所述控制模块与所述储能装置通信连接，所述控制模块用于获取所述储能装置中的继电器的状态信息。
  8. 根据权利要求7所述的电磁锁系统，其特征在于，所述储能装置包括子模块控制器，所述控制模块与所述子模块控制器通信连接，所述控制模块用于从所述子模块控制器中获取所述继电器的状态信息。
  9. 根据权利要求7或8所述的电磁锁系统，其特征在于，所述高压开关柜的电流输入侧设置有第一电流传感器，所述第一电流传感器用于获取所述高压开关柜的第一电流信息，并将所述第一电流信息发送至所述控制模块。
  10. 根据权利要求7至9中任一项所述的电磁锁系统，其特征在于，所述高压开关柜的电流输出侧设置有第二电流传感器，所述第二电流传感器用于获取所述高压开关柜的第二电流信息，并将所述第二电流信息发送至所述控制模块。
  11. 根据权利要求7至10中任一项所述的电磁锁系统，其特征在于，所述电磁锁系统还包括带电显示装置，所述带电显示装置与所述电磁锁的吸合线圈并联连接。
  12. 根据权利要求7至11中任一项所述的电磁锁系统，其特征在于，所述电磁锁系统还包括并联的第一电源和第二电源，所述第一电源和所述第二电源分别与所述电磁锁的吸合线圈和所述带电显示装置串联连接，所述第一电源用于为所述电磁锁系统提供电能，所述第二电源用于在所述第一电源无法提供电能时，为所述电磁锁系统提供电能。
  13. 根据权利要求7至12中任一项所述的电磁锁系统，其特征在于，所述电磁锁系统还包括熔断器，所述熔断器与所述电磁锁的吸合线圈串联连接。
  14. 一种电磁锁系统的控制装置，其特征在于，包括处理器和存储器，存储器用于存储计算机程序，处理器用于调用计算机程序，使控制装置实现上述权利要求1至6中任一项的控制方法。
  15. 计算机可读存储介质，其特征在于，计算机可读存储介质存储有计算机程序，计算机程序被计算设备执行时使得计算设备实现上述权利要求1至6中任一项的控制方法。
PCT/CN2022/117746 2022-09-08 2022-09-08 电磁锁系统的控制方法和电磁锁系统 WO2024050748A1 (zh)

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CN204441712U (zh) * 2015-01-07 2015-07-01 国家电网公司 防带电安装接地线的接地装置
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