Power distribution cabinet grounding knife switch interlocking control device and power distribution cabinet interlocking system

Abstract

The invention discloses a power distribution cabinet grounding knife switch interlocking control device and a power distribution cabinet interlocking system, and relates to the technical field of high-voltage power distribution cabinets, and the power distribution cabinet grounding knife switch interlocking control device comprises a plurality of collection modules which are respectively arranged at each preset state detection position of a grounding knife switch and are used for respectively obtaining and outputting each position state signal of the grounding knife switch; the control module is respectively connected with the plurality of acquisition modules, and is used for receiving and transmitting the position state signal, detecting whether the position state signal is consistent with a preset position state signal or not, and outputting an alarm control signal if the position state signal is not consistent with the preset position state signal; the plurality of display modules are respectively connected with the control module and are used for receiving and displaying the position state signals; and the alarm module is connected with the control module and is used for receiving the alarm control signal and outputting a corresponding alarm signal. The problem that the actual opening and closing position state of the grounding switch cannot be accurately observed is solved.

Description

Technical Field

[0001] The present application relates to the technical field of high-voltage distribution cabinets, and in particular to a distribution cabinet grounding switch interlocking control device and a distribution cabinet interlocking system. Background Art

[0002] High-voltage distribution cabinets are key equipment for power distribution, control, and protection in power systems. They are widely used in various locations, including power plants, substations, industrial and mining enterprises, residential communities, and high-rise buildings. They perform a variety of functions, including providing access to overhead lines, cable lines, and busbar interconnection. High-voltage distribution cabinets come in a variety of models and structures, tailored to specific needs. Currently, metal-enclosed armored high-voltage distribution cabinets are the most widely used.

[0003] There are three ways to identify the status of a grounding knife switch: the grounding knife operation hole identification plate, the grounding knife indicator plate on the cable room beam, and the grounding knife closed / open position status. During the commissioning and operation of a nuclear power plant, these three grounding knife states must be verified before proceeding to the next step. Therefore, identifying these three grounding knife switch states is crucial for the operation of the grounding knife switch and circuit breaker, and is also a requirement of the five-protection interlock. However, the grounding knife switch status indicators are located in different locations. While the grounding knife operation hole identification plate is easy to identify, the grounding knife indicator plate on the cable room beam and the grounding knife closed / open position status need to be observed through a glass window. Due to the long distance, dim light, and easy obstruction by cables, the closed / open indications are difficult for the human eye to identify. In addition, some distribution cabinets are not equipped with glass windows, making it impossible to observe the actual closed / open position status of the grounding knife. Summary of the Invention

[0004] The present application provides a distribution cabinet grounding knife interlock control device and a distribution cabinet interlock system to at least solve the problem in the related art that the actual open and close position status of the ground knife cannot be accurately observed.

[0005] The present application provides a distribution cabinet grounding switch interlocking control device, the distribution cabinet grounding switch interlocking control device comprising:

[0006] Multiple acquisition modules, each of which is respectively arranged at each preset state detection position of the grounding switch, for respectively acquiring and outputting the state signal of each position of the grounding switch;

[0007] a control module, the control module being connected to the plurality of acquisition modules respectively, for receiving the position status signal and transmitting it, and detecting whether the position status signal is consistent with a preset position status signal, and outputting an alarm control signal if not consistent;

[0008] A plurality of display modules, each of the plurality of display modules is connected to the control module and is configured to receive and display the position status signal;

[0009] An alarm module is connected to the control module and is used to receive an alarm control signal and output a corresponding alarm signal.

[0010] The distribution cabinet grounding knife switch interlocking control device proposed in the present application collects the position status signal of the preset state detection position through multiple acquisition modules respectively, and outputs the position status signal to the control module. The control module detects whether the preset position status signal is consistent with the preset position status signal. If it is inconsistent, it outputs an alarm control signal, so that the alarm module outputs the corresponding alarm signal. Therefore, compared with the human eye, which is difficult to identify the opening and closing status of the grounding knife, the present application can be displayed on the display screen after being collected by the acquisition module, which is convenient for users to observe directly. At the same time, the preset position status signal is analyzed and detected by the control module, so that an alarm is issued through the alarm module when an abnormality is detected, thereby improving the accuracy of detection.

[0011] In some optional embodiments, the acquisition module includes: a movable structure and a supporting structure, wherein the movable structure and the supporting structure are connected;

[0012] The movable structure is used to obtain and output the position status signal of the grounding switch;

[0013] The supporting structure is used to support the movable structure;

[0014] The acquisition module further includes: an adjustment structure, the movable structure and the supporting structure are connected based on the adjustment structure;

[0015] The control module is used to output an unlocking signal;

[0016] The regulating structure is used to receive the unlocking signal and unlock, so as to perform opening and closing operations according to a preset state detection position after unlocking.

[0017] In some optional embodiments, the activity structure includes:

[0018] A camera is used to collect and output a position status signal of the grounding switch;

[0019] a control unit connected to the camera and configured to receive a position status signal and convert it into a display signal;

[0020] a display screen connected to the control unit and configured to output a display signal;

[0021] The activity structure also includes:

[0022] A communication module is connected to the camera and the control module respectively, and is used to send the position status signal to the control module.

[0023] In some optional embodiments, the regulating structure includes:

[0024] a rotating shaft, the rotating shaft being used to movably connect the movable structure and the supporting structure;

[0025] A locking device is connected to the supporting structure and is used to receive an unlocking signal to activate the movable structure.

[0026] In some optional embodiments, the control module is further configured to receive and output circuit breaker opening and closing signals and display signals respectively;

[0027] The display module is also used to receive the circuit breaker opening and closing signals and the display signal, and display them respectively;

[0028] The control module is further configured to detect the circuit breaker opening and closing signals and the display signal, and output an unlocking signal when it is detected that the circuit breaker is open and the display is turned off.

[0029] In some optional embodiments, the preset state detection positions of the grounding knife switch include: the front of the grounding knife operation hole, the front of the grounding knife indicator sign on the cable room beam, and the top of the grounding knife compartment;

[0030] The acquisition module includes:

[0031] A first acquisition module, which is arranged in front of the ground cutter operation hole and is used to collect the identification plate of the ground cutter operation hole and output it;

[0032] A second acquisition module is provided in front of the crossbeam ground knife indicator sign in the cable room, and is used to collect data from the crossbeam ground knife indicator sign and then output it;

[0033] The third acquisition module is arranged on the top of the ground cutter chamber and is used to collect the actual opening and closing status of the ground cutter and output it.

[0034] In some optional implementations, the distribution cabinet grounding switch interlock control device further includes:

[0035] A proximity detection module, connected to the control module, configured to detect and output proximity information of a person;

[0036] The control module is also used to receive personnel approach information and output a grounding switch status output signal and a display control signal;

[0037] The display module is further configured to start and display the position status signal after receiving the display control signal;

[0038] The status display module is connected to the control module and is used to receive the grounding switch status output signal and output the grounding switch status signal.

[0039] In some optional implementations, the status display module includes:

[0040] The projection device is used to receive the grounding switch state output signal, convert the grounding switch state signal into a projection signal and then output it.

[0041] In some optional embodiments, the distribution cabinet grounding switch interlock control device includes:

[0042] The user identification module is used to identify the user identity signal and receive the control signal when it is detected that the user identity signal is a preset user identity.

[0043] The present application also provides a distribution cabinet interlocking system, which includes the distribution cabinet grounding switch interlocking control device as described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0045] Figure 1 A structural diagram of a grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0046] Figure 2 A structural diagram of another grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0047] Figure 3 A schematic diagram of an application of a collection module in a grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0048] Figure 4 A schematic diagram of an application of a collection module in another distribution cabinet grounding switch interlocking control device provided in an embodiment of the present application;

[0049] Figure 5 A schematic diagram of an application of an interlocking control device for a grounding switch in a power distribution cabinet provided by an embodiment of the present application;

[0050] Figure 6 This is a schematic diagram of another application of a grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0051] Figure 7 This is a schematic diagram of an application of another grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0052] Figure 8 A schematic diagram of an application of another grounding switch interlocking control device for a power distribution cabinet provided in an embodiment of the present application;

[0053] Figure 9 A schematic diagram of the grounding knife closing operation process of a grounding knife switch interlocking control device for a distribution cabinet provided in an embodiment of the present application. DETAILED DESCRIPTION

[0054] The following will be combined with the accompanying drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0055] It should be noted that, in the description of this application, the terms "comprises," "includes," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. The terms "first," "second," etc., in this application are used to distinguish similar objects, and are not used to describe a particular order or sequence.

[0056] In order to enable those skilled in the art to better understand the present application, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0057] High-voltage distribution cabinets are key equipment for power distribution, control, and protection in power systems. They are widely used in various locations, including power plants, substations, industrial and mining enterprises, residential communities, and high-rise buildings. They perform a variety of functions, including providing access to overhead lines, cable lines, and busbar interconnection. High-voltage distribution cabinets come in a variety of models and structures, tailored to specific needs. Currently, metal-enclosed armored high-voltage distribution cabinets are the most widely used.

[0058] There are three ways to identify the status of a grounding knife switch: the grounding knife operation hole identification plate, the grounding knife indicator plate on the cable room beam, and the grounding knife closed / open position status. During the commissioning and operation of a nuclear power plant, these three grounding knife states must be verified before proceeding to the next step. Therefore, identifying these three grounding knife switch states is crucial for the operation of the grounding knife switch and circuit breaker, and is also a requirement of the five-protection interlock. However, the grounding knife switch status indicators are located in different locations. While the grounding knife operation hole identification plate is easy to identify, the grounding knife indicator plate on the cable room beam and the grounding knife closed / open position status need to be observed through a glass window. Due to the long distance, dim light, and easy obstruction by cables, the closed / open indications are difficult for the human eye to identify. In addition, some distribution cabinets are not equipped with glass windows, making it impossible to observe the actual closed / open position status of the grounding knife.

[0059] The embodiment of the present application provides a grounding switch interlocking control device for a power distribution cabinet, such as Figure 1 As shown, the distribution cabinet grounding switch interlocking control device includes:

[0060] Multiple acquisition modules 10, each acquisition module 10 is respectively set at each preset state detection position of the grounding knife switch, for respectively acquiring and outputting each position state signal of the grounding knife switch;

[0061] A control module 20, wherein the control module 20 is connected to the plurality of acquisition modules 10, and is configured to receive the position status signal and transmit it, and detect whether the position status signal is consistent with a preset position status signal, and output an alarm control signal if inconsistent;

[0062] A plurality of display modules 30, each of the plurality of display modules 30 being connected to the control module 20 and configured to receive and display the position status signal;

[0063] The alarm module 40 is connected to the control module 20 and is used to receive an alarm control signal and output a corresponding alarm signal.

[0064] Specifically, the acquisition module 10 may be a camera module configured to capture images of various preset status detection locations. These preset status detection locations are locations for observing the status of the grounding switch, including locations where the grounding switch indicator is observed and locations where the grounding switch status is actually observed. The acquisition module 10 is positioned at each location where the grounding switch status is detected and transmits the captured location status signals to the control module 20.

[0065] Specifically, the control module 20 receives the position status signals separately and detects whether each position status signal is identical to the other position status signals. It also detects whether each position status signal is identical to the indication status signal. The preset position status signal can be an indication status signal or any position status signal other than the target position status signal. The position status signal can specifically be a signboard signal and an actual status signal. The signboard signal includes an open signboard and a closed signboard, and the actual status signal includes the open state of the grounding knife switch and the closed state of the grounding knife switch. The control module 20 detects whether the signboard in the position status signal is a preset color, whether the signboard in the position status signal is a preset symbol, or the actual state of the grounding knife switch in the position status signal. If the control module 20 detects that any position status signal among the multiple position status signals is inconsistent with the preset position status signal, it outputs an alarm control signal. It is worth noting that whether the position status signal is consistent with the preset position status signal also includes the situation where the signboard is not correctly positioned, has a large deflection, the grounding knife is in a suspended state, and the grounding knife indication and status are abnormal.

[0066] For example, after receiving the position status signal, the control module 20 detects whether the color of the identification plate in the position status signal is red or green. If it is red, it is confirmed that the grounding knife switch is in the open state; if it is green, it is confirmed that the grounding knife switch is in the closed state. After receiving the position status signal, the control module 20 detects the position of the grounding knife in the position status signal. If it is in the open position, it is confirmed that the grounding knife switch is in the open state; if it is in the closed position, it is confirmed that the grounding knife switch is in the closed state. In addition, the control module 20 can accurately identify that the position of the identification plate is offset to the right, or that the actual state of the grounding knife is not fully closed.

[0067] Exemplarily, the control module 20 outputs an alarm control signal when it detects that the signboard of the target position status signal is offset to the right. If the target position status signal detects an open state and the other position status signals detect a closed state, it outputs an alarm control signal.

[0068] Specifically, there are multiple display modules 30, each display module 30 displays the status signal of each position respectively, and the display module 30 is set on the outer door of the distribution cabinet to facilitate user observation.

[0069] Specifically, the alarm module 40 may be a warning light and a warning buzzer. The control module 20 may output an alarm signal by causing the screen of the display module 30 to flash red.

[0070] The distribution cabinet grounding knife switch interlocking control device proposed in the present application collects the position status signal of the preset state detection position through multiple acquisition modules respectively, and outputs the position status signal to the control module. The control module detects whether the preset position status signal is consistent with the preset position status signal. If it is inconsistent, it outputs an alarm control signal, so that the alarm module outputs the corresponding alarm signal. Therefore, compared with the human eye, which is difficult to identify the opening and closing status of the grounding knife, the present application can be displayed on the display screen after being collected by the acquisition module, which is convenient for users to observe directly. At the same time, the preset position status signal is analyzed and detected by the control module, so that an alarm is issued through the alarm module when an abnormality is detected, thereby improving the accuracy of detection.

[0071] In some optional embodiments, such as Figure 2 As shown, the acquisition module 10 includes: a movable structure 11 and a supporting structure 12, and the movable structure 11 and the supporting structure 12 are connected;

[0072] The movable structure 11 is used to obtain the position status signal of the grounding switch and output it;

[0073] The supporting structure 12 is used to support the movable structure 11;

[0074] The acquisition module 10 further includes: an adjustment structure 13, and the movable structure 11 and the support structure 12 are connected based on the adjustment structure 13;

[0075] The control module 20 is used to output an unlocking signal;

[0076] The regulating structure 13 is used to receive the unlocking signal and unlock, so as to perform opening and closing operations according to a preset state detection position after unlocking.

[0077] Specifically, the support structure 12 can be fixed to the inner side of the cabinet door or to a beam, serving as a fixed support. The movable structure 11 is movably connected to the support structure 12, specifically, one end of the movable structure 11 is fixedly connected to the support structure 12, and the other end of the movable structure 11 is movable. Optionally, when the movable structure 11 is unlocked, it can perform opening and closing operations at a preset state detection position. When the movable structure 11 is locked, it blocks the preset state detection position, preventing opening and closing operations at the preset state detection position.

[0078] Specifically, the control module 20 performs a logical judgment, and outputs a locking signal when it is judged that the earth switch cannot be opened or closed, and outputs an unlocking signal when it is judged that the earth switch can be opened or closed.

[0079] In some optional embodiments, such as Figure 3 As shown, the active structure 11 includes:

[0080] Camera A, which is used to collect and output the position status signal of the grounding switch;

[0081] A control unit B, connected to the camera A, configured to receive a position status signal and convert it into a display signal;

[0082] Display screen C, connected to the control unit B, for outputting a display signal;

[0083] The activity structure 11 further comprises:

[0084] The communication module D is connected to the camera A and the control module 20 respectively, and is used to send the position status signal to the control module 20.

[0085] Specifically, refer to Figure 3 The display screen is used to display the position status signal of the grounding switch. Specifically, by highlighting the screen and adjusting the output signal ratio, it acts as a magnifying glass, so that the position status signal of the grounding switch in a dark environment is displayed on the screen brightly, thereby facilitating user observation. The shooting direction of camera A is aimed at the preset status detection position.

[0086] It is worth noting that the display screen C is different from the display module 30. The display screen C is set at the preset state detection position, which serves to magnify and facilitate the user's observation when performing opening and closing operations. The display module 30 is set outside the cabinet door of the distribution cabinet, so that the user does not need to observe through small holes, grids or glass, etc., and the position status signals of multiple preset state detection positions are directly displayed together, thereby facilitating user detection.

[0087] Specifically, communication module D is used to connect to camera A and display screen C, respectively. Communication module D can be connected via a network cable or Bluetooth, thus avoiding the need for inconvenient wiring and enabling wireless communication based on Bluetooth. This allows display screen C to display the position status signal collected by camera A. Communication module D can also be a Wi-Fi or 5G module, allowing it to communicate with control module 20, that is, with an external network, enabling functions such as remote parameter reading, remote display of ground knife status, and emergency alarm based on the ground knife status. In addition, it also includes a power interface; control unit B requires a 220V AC power source.

[0088] In some optional embodiments, the regulating structure 13 includes:

[0089] A rotating shaft E, the rotating shaft E is used to movably connect the movable structure 11 and the supporting structure 12;

[0090] The locking device F is connected to the supporting structure 12 and is used to receive an unlocking signal to enable the movable structure 11 to move.

[0091] Specifically, one end of the movable structure 11 is connected to the support structure 12 via a rotating shaft E, and the movable structure 11 moves around the rotating shaft. The control unit B outputs an unlocking signal based on pre-set control logic. Upon receiving the unlocking signal, the locking device F disengages, allowing the movable structure 11 to move. Upon receiving the locking signal, the locking device F causes the movable structure 11 to block a predetermined state detection position, preventing opening and closing operations at the predetermined state detection position. Optionally, the locking device F is a locking latch.

[0092] In some optional embodiments, such as Figure 7 As shown, the control module 20 is also used to receive and output the circuit breaker opening and closing signals and the display signal respectively;

[0093] The display module 30 is also used to receive the circuit breaker opening and closing signals and the display signal, and display them respectively;

[0094] The control module 20 is further configured to detect circuit breaker opening and closing signals and display signals, and output an unlocking signal when it is detected that the circuit breaker is open and the display is turned off.

[0095] Specifically, refer to Figure 7 When the circuit breaker is connected and the display is showing, it indicates that the grounding knife switch is energized, so user operation cannot be performed. The circuit breaker opening and closing signals and display signals are directly collected by the control module 20, and the display module 30 displays the output, so that the circuit breaker opening and closing status and the display status can be observed directly outside the distribution cabinet door. Optionally, the control module 20 receives the auxiliary contacts of the circuit breaker test position opening and closing and the unlocking and locking signals of the energized display, where the energized display is not the display module 30 or the display screen C, but the display originally connected to the grounding knife switch in the distribution cabinet.

[0096] Specifically, refer to Figure 9 The control module 20 only outputs an unlocking signal when it detects that the circuit breaker is in the open state and the display is in the power-off state. After the locking device is unlocked, the user can perform opening and closing operations. After the user completes the operation, the control module 20 continues to determine whether the operation meets the requirements and the state of the grounding switch is correct, and outputs a locking signal to lock the locking device.

[0097] In addition, after the control module 20 receives the circuit breaker opening and closing signal and the display signal, it performs a logic "AND" operation on the circuit breaker opening and closing signal and the display signal. Figure 8When the circuit breaker is detected as open and the display is off, a no-power signal is output. When the circuit breaker is detected as closed and / or the display is on, a power signal is output. This reminds the user to disconnect the power and then open and close the grounding switch. Simultaneously, the control module 20 detects abnormalities in the circuit breaker open / close signals and the display signals. If an abnormality is detected, the corresponding display module 30 will flash red.

[0098] In some optional embodiments, the preset state detection positions of the grounding knife switch include: the front of the grounding knife operation hole, the front of the grounding knife indicator sign on the cable room beam, and the top of the grounding knife compartment;

[0099] The acquisition module 10 includes:

[0100] A first acquisition module, which is arranged in front of the ground cutter operation hole and is used to collect the identification plate of the ground cutter operation hole and output it;

[0101] A second acquisition module is provided in front of the crossbeam ground knife indicator sign in the cable room, and is used to collect data from the crossbeam ground knife indicator sign and then output it;

[0102] The third acquisition module is arranged on the top of the ground cutter chamber and is used to collect the actual opening and closing status of the ground cutter and output it.

[0103] Specifically, refer to Figure 3 The first acquisition module is set on the cabinet door in front of the ground knife operation hole. The first acquisition module is provided with a locking device F. The second acquisition module is set on the cabinet door in front of the ground knife indicator sign on the cable room beam. It is worth noting that the bottom of the supporting structure is installed on the cabinet door. Specifically, it can be connected by gluing, welding, etc. The third acquisition module is set on the top of the ground knife compartment. Figure 4 , the third acquisition module may only include the control unit B, the camera A and the communication module D.

[0104] In some optional implementations, the distribution cabinet grounding switch interlock control device further includes:

[0105] A proximity detection module 50, connected to the control module 20, for detecting and outputting human proximity information;

[0106] The control module 20 is also used to receive personnel approach information and output a grounding switch status output signal and a display control signal;

[0107] The display module 30 is further configured to start and display the position status signal after receiving the display control signal;

[0108] The status display module 60 is connected to the control module and is used to receive the grounding switch status output signal and output the grounding switch status signal.

[0109] Specifically, the detection module 50 is configured as a proximity sensor for detecting the approach of a person. Upon receiving the proximity signal, the control module awakens the display module 30 from sleep mode and turns on the screen, allowing the user to directly view the content displayed on the display module 30. Upon receiving the grounding switch status output signal, the status display module 60 outputs a grounding switch status signal such as "grounding switch closed" or "grounding switch open." If the grounding switch status is abnormal, a "grounding switch abnormal" message is displayed. If the grounding switch is locked, a "grounding switch locked" message is displayed. Alternatively, the proximity detection module 50 may be a human infrared sensor.

[0110] In some optional embodiments, such as Figure 6 As shown, the status display module 60 includes:

[0111] The projection device is used to receive the grounding switch state output signal, convert the grounding switch state signal into a projection signal and then output it.

[0112] For example, refer to Figure 6 The projection device can be installed in the lower right corner of the secondary compartment door. The projection device is located on the right side of the control module 20 and is controlled by the control module 20. After logical judgment, the control module 20 projects the relevant prompts and warning information of the ground knife downward through the projection lamp. The projection angle can be adjusted within 1 to 5 degrees to ensure that the information can be projected onto the ground or the human body, which can alert personnel. When personnel operate the ground knife, a red light is emitted through the projection device, and the relevant warning information is projected onto the ground or the human body to serve as an alarm and prevent human errors. Before the ground knife is operated, or when the human infrared sensor on the controller detects that a person is staying, a projection information of the closing or opening status of the ground knife is emitted to alert personnel.

[0113] In some optional implementations, the distribution cabinet grounding switch interlock control device includes:

[0114] The user identification module is used to identify the user identity signal and receive the control signal when it is detected that the user identity signal is a preset user identity.

[0115] Specifically, the user identification module can be a face recognition module or a fingerprint recognition module, which is used to identify the user identity signal. When the current user identity is recognized as a preset user identity, it receives the parameter signal and control signal set by the user. This prevents unauthorized personnel from accidentally operating the grounding switch.

[0116] refer to Figure 5The user can operate the system on the touch screen, using the camera and infrared sensor to identify approaching personnel, and the camera and fingerprint reader to detect user identity signals. The system outputs alarm signals through the sound module, outputs circuit breaker opening and closing signals and display signals through two display screens, and outputs position status signals through three display screens.

[0117] Specifically, refer to Figure 9 , the control module 20 only determines whether the identification plate of the ground knife operation hole, the identification plate of the ground knife on the beam and the actual state of the ground knife are in the open state when it detects that the circuit breaker is in the open state and the display is in the power-off state. When the open state is detected, the unlocking signal is output to unlock the locking device, and the personnel are warned through the projection equipment that the user can perform the opening operation. After the user operation is completed, the control module 20 continues to judge whether the operation meets the requirements and the state of the ground knife is correct, and outputs the locking signal to lock the locking device. If it is judged that any of the identification plate of the ground knife operation hole, the identification plate of the ground knife on the beam and the actual state of the ground knife are abnormal, an alarm is issued for maintenance. This process requires information exchange between personnel and the control module 20. The maintenance process suspends the logical process. After the repair, it continues to judge that the state of the three ground knives is correct, and then proceeds to the next step of the process.

[0118] In one feasible embodiment, the present application proposes a distribution cabinet interlocking system, which includes the above-described distribution cabinet grounding switch interlocking control device, a distribution cabinet circuit, and a distribution cabinet. The beneficial effects achieved are the same as those of the distribution cabinet grounding switch interlocking control device and will not be described in detail.

[0119] The above is a detailed introduction to a distribution cabinet grounding switch interlocking control device and a distribution cabinet interlocking system provided by the present application. This article uses specific examples to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A grounding switch interlocking control device for a power distribution cabinet, characterized in that: The distribution cabinet grounding switch interlocking control device includes: Multiple acquisition modules, each of which is respectively arranged at each preset state detection position of the grounding switch, for respectively acquiring and outputting the state signal of each position of the grounding switch; a control module, the control module being connected to the plurality of acquisition modules respectively, for receiving the position status signal and transmitting it, and detecting whether the position status signal is consistent with a preset position status signal, and outputting an alarm control signal if not consistent; A plurality of display modules, each of the plurality of display modules is connected to the control module and is configured to receive and display the position status signal; An alarm module is connected to the control module and is used to receive an alarm control signal and output a corresponding alarm signal.

2. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 1, characterized in that: The acquisition module includes: a movable structure and a supporting structure, wherein the movable structure and the supporting structure are connected; The movable structure is used to obtain and output the position status signal of the grounding switch; The supporting structure is used to support the movable structure; The acquisition module further includes: an adjustment structure, the movable structure and the supporting structure are connected based on the adjustment structure; The control module is used to output an unlocking signal; The regulating structure is used to receive the unlocking signal and unlock, so as to perform opening and closing operations according to a preset state detection position after unlocking.

3. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 2, characterized in that: The activity structure includes: A camera is used to collect and output a position status signal of the grounding switch; a control unit connected to the camera and configured to receive a position status signal and convert it into a display signal; a display screen connected to the control unit and configured to output a display signal; The activity structure also includes: A communication module is connected to the camera and the control module respectively, and is used to send the position status signal to the control module.

4. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 3, characterized in that: The regulating structure comprises: a rotating shaft, the rotating shaft being used to movably connect the movable structure and the supporting structure; A locking device is connected to the supporting structure and is used to receive an unlocking signal to activate the movable structure.

5. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 4, characterized in that: The control module is also used to receive and output circuit breaker opening and closing signals and display signals respectively; The display module is also used to receive the circuit breaker opening and closing signals and the display signal, and display them respectively; The control module is further configured to detect the circuit breaker opening and closing signals and the display signal, and output an unlocking signal when it is detected that the circuit breaker is open and the display is turned off.

6. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 1, characterized in that: The preset state detection positions of the grounding knife switch include: the front of the grounding knife operation hole, the front of the grounding knife indicator sign on the cable room beam and the top of the grounding knife compartment; The acquisition module includes: A first acquisition module, which is arranged in front of the ground cutter operation hole and is used to collect the identification plate of the ground cutter operation hole and output it; A second acquisition module is provided in front of the crossbeam ground knife indicator sign in the cable room, and is used to collect data from the crossbeam ground knife indicator sign and then output it; The third acquisition module is arranged on the top of the ground cutter chamber and is used to collect the actual opening and closing status of the ground cutter and output it.

7. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 1, characterized in that: The distribution cabinet grounding switch interlocking control device also includes: A proximity detection module, connected to the control module, configured to detect and output proximity information of a person; The control module is also used to receive personnel approach information and output a grounding switch status output signal and a display control signal; The display module is further configured to start and display the position status signal after receiving the display control signal; The status display module is connected to the control module and is used to receive the grounding switch status output signal and output the grounding switch status signal.

8. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 7, characterized in that: The status display module includes: The projection device is used to receive the grounding switch state output signal, convert the grounding switch state signal into a projection signal and then output it.

9. The interlocking control device for the grounding switch of a power distribution cabinet according to claim 1, characterized in that: The distribution cabinet grounding switch interlocking control device includes: The user identification module is used to identify the user identity signal and receive the control signal when it is detected that the user identity signal is a preset user identity.

10. A distribution cabinet interlocking system, characterized in that: The distribution cabinet interlocking system includes the distribution cabinet grounding switch interlocking control device according to any one of claims 1 to 9.

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