Self-locking control system for power distribution cabinet door

Abstract

The utility model relates to the technical field of power equipment safety, and discloses a self-locking control system for a power distribution cabinet door, which comprises a sensor module, a control module, a first self-locking module, a second self-locking module, an alarm module, a remote control module and a power supply module. According to the utility model, the safety is improved through double locking.

Description

Technical Field

[0001] This utility model relates to the field of power equipment safety technology, specifically to a self-locking control system for the door of a power distribution cabinet. Background Technology

[0002] As a core piece of equipment in the power system, distribution cabinets are widely used in industrial, commercial and civil fields, and their safety directly affects the operation of the power grid and the safety of personnel.

[0003] Traditional power distribution cabinet doors have the following technical problems:

[0004] Traditional power distribution cabinet doors typically rely on mechanical locks or simple electromagnetic locks, which are prone to accidental opening due to accidental contact, external damage, or improper human operation.

[0005] Traditional self-locking devices achieve locking through a single mechanical structure, lacking dynamic feedback and status monitoring, and cannot monitor the status of the cabinet door in real time;

[0006] Traditional power distribution cabinets lack remote monitoring capabilities and cannot track cabinet door opening and closing records.

[0007] Therefore, the development of a self-locking control system for distribution cabinet doors, which can monitor the door status in real time and has a dual self-locking module, has become an urgent need to ensure the safe and stable operation of power equipment. Utility Model Content

[0008] (a) Technical problems to be solved

[0009] To address the shortcomings of existing technologies, this application provides a self-locking control system for distribution cabinet doors.

[0010] (II) Technical Solution

[0011] To address the above problems, this application provides the following technical solution:

[0012] A self-locking control system for a distribution cabinet door, comprising:

[0013] The sensor module is used to monitor personnel activity and the status of cabinet doors in real time;

[0014] A control module is installed inside the capacitor cabinet; the control module is communicatively connected to the sensor module, used to receive data information from the sensor module, perform data analysis, and drive the first self-locking module and the second self-locking module according to the data analysis results;

[0015] The first self-locking module receives control commands from the control module and drives the electromagnetic lock;

[0016] The second self-locking module receives control commands from the control module and drives the mechanical lock;

[0017] An alarm module receives alarm information from the control module; the alarm module includes a first alarm unit and a second alarm unit; the first alarm unit is located at the door of the power distribution cabinet and provides audible and visual alarms; the second alarm unit is located at the remote control module and displays alarm information on a display screen.

[0018] The remote control module receives data information from the control module, provides a mobile terminal interface to display the status of the self-locking control system, and remotely issues control commands.

[0019] A power module for providing power; the power module includes a main power supply and a backup power supply.

[0020] The sensor module transmits data to the control module via wired or wireless communication. The control module transmits data to the first self-locking module via wired communication. The control module transmits data to the second self-locking module via wired communication. The control module transmits data to the remote control module via wireless communication.

[0021] Preferably, the sensor module includes a Hall sensor and an infrared sensor; the Hall sensor is installed on the inner edge of the cabinet door to monitor whether the cabinet door is completely closed; the infrared sensor is installed on the top of the cabinet door to monitor in real time whether there is any human activity in front of the cabinet door.

[0022] Preferably, the control module includes a microcontroller and a comparator; the comparator determines whether to trigger the second self-locking module based on the power supply status; when the main power supply is de-energized, the backup power supply is activated and the second self-locking module is triggered.

[0023] Preferably, the comparator is an LM393.

[0024] Preferably, the first self-locking module includes an electromagnetic lock drive unit and an electromagnetic lock.

[0025] Preferably, the second self-locking module includes a motor drive unit, a DC motor, and a mechanical lock.

[0026] Preferably, the motor drive unit is model L298N.

[0027] Preferably, the wireless communication includes RS485, Zigbee, LoRa, NB-IoT, or 4G / 5G cellular network communication.

[0028] (III) Beneficial Effects

[0029] Compared with the prior art, this application provides a self-locking control system for distribution cabinet doors, which has the following advantages:

[0030] The system monitors the opening and closing status of the cabinet door in real time through a sensor module and triggers a self-locking action through a control module;

[0031] The system employs dual protection with both mechanical and electronic locks. Even if a power outage causes the electronic lock to malfunction, the mechanical lock can still achieve forced locking.

[0032] The system also has remote control capabilities, which transmit the cabinet door status to a remote server via wireless communication, supporting remote viewing of cabinet door opening and closing records, abnormal alarm push notifications, and remote control of cabinet door opening and closing.

[0033] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0034] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0035] Figure 1 This is a schematic diagram of the structure of this application;

[0036] Figure 2 This is a schematic diagram of the structure of this application.

[0037] Figure reference numerals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0039] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0040] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0042] Please see Figures 1-2 This application provides a new technical solution: a self-locking control system for the door of a power distribution cabinet, comprising: a sensor module 1, a control module 2, a first self-locking module 3, a second self-locking module 4, an alarm module 5, a remote control module 6, and a power supply module 7;

[0043] The sensor module 1 transmits data to the control module 2 via wired or wireless communication. The control module 2 transmits data to the first self-locking module 3 via wired communication. The control module 2 transmits data to the second self-locking module 4 via wired communication. The control module 2 transmits data to the remote control module 6 via wireless communication.

[0044] In this embodiment, the sensor module 1 transmits data to the control module 2 via a wire; the control module 2 and the remote control module 6 transmit data via Zigbee, LoRa, NB-IoT or 4G / 5G.

[0045] Sensor module 1 includes a Hall sensor U2 and an infrared sensor U3; the Hall sensor U2 is installed on the inner edge of the cabinet door to monitor whether the cabinet door is completely closed; the infrared sensor U3 is installed on the top of the cabinet door to monitor in real time whether there is any activity in front of the cabinet door.

[0046] In this embodiment, two capacitors C1 and C2 are connected in parallel to the input terminal of Hall sensor U2, and the pin OUT of Hall sensor U2 is connected to the pin PB0 of microcontroller U1; two capacitors C3 and C4 are connected in parallel to the input terminal of infrared sensor U3, and the pin OUT of infrared sensor U3 is connected to the pin PB1 of microcontroller U1; capacitors C1, C2, C3 and C4 are used to suppress voltage fluctuations.

[0047] In this embodiment, when the infrared sensor U3 does not detect a person for 3 seconds and the Hall sensor U2 detects that the cabinet door is not closed, the control module 2 transmits the alarm information to the alarm module 5.

[0048] The control module 2 includes a microcontroller U1 and a comparator U6.1; the comparator U6.1 determines whether to trigger the second self-locking module 4 based on the power supply status; when the main power supply is de-energized, the backup power supply is started and the second self-locking module 4 is triggered.

[0049] The microcontroller U1 can be an STM32 series.

[0050] The comparator 220 uses the LM393 model.

[0051] The first self-locking module 3 includes an electromagnetic lock drive unit 310 (J2 in the figure) and an electromagnetic lock 320.

[0052] The second self-locking module 4 includes a motor drive unit 410 (J1 in the figure), a DC motor 420, and a mechanical lock 430;

[0053] In this embodiment, the mechanical lock 430 of the second self-locking module 4 is opened by a key from outside the cabinet door.

[0054] The motor drive unit 410 uses model L298N.

[0055] Wireless communication includes RS485, Zigbee, LoRa, NB-IoT, or 4G / 5G cellular network communication.

[0056] In this embodiment, the power module 7 includes a main power supply and a backup power supply. The main power supply is introduced into the circuit through an interface, which includes H1, H2 and H3. Diodes D1, D2 and D3 serve as rectifiers, and diode D5 serves as a reverse protection device.

[0057] The main power supply is connected to pin 2 of comparator U6.1, pin 3 of comparator U6.1 is connected to the backup power supply, pin 1 of comparator U6.1 outputs a control signal to transistor Q2, and the collector of transistor Q2 is connected to input pin 2 of motor drive unit J1.

[0058] Pin OUT2 of microcontroller U1 is connected to input pin 1 of motor drive unit J1, and output pin 2 of motor drive unit J1 is connected to DC motor 420 for driving.

[0059] Pin OUT1 of microcontroller U1 is connected to input pin 1 of electromagnetic lock drive unit J2, and output pin 2 of electromagnetic lock drive unit J2 is connected to electromagnetic lock for driving.

[0060] When comparator U6.1 outputs a high level, transistor Q2 is turned on, and the enable terminal of motor drive unit J1 drives DC motor 420 to rotate; DC motor 420 drives gears to push the latch to lock the cabinet door.

[0061] Alarm module 5 includes a first alarm unit 510 and a second alarm unit 520; the first alarm unit 510 includes a buzzer 511 and an LED light 512, which provide audible and visual alarms; the buzzer 511 is connected to the PB12 pin of the microcontroller U1, and the LED light 512 is connected to the PB13 pin of the microcontroller U1.

[0062] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0063] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-locking control system for a distribution cabinet door, characterized in that, include: The sensor module is used to monitor personnel activity and the status of cabinet doors in real time; The control module is installed inside the capacitor bank. The control module is communicatively connected to the sensor module, and is used to receive data information from the sensor module, perform data analysis, and drive the first self-locking module and the second self-locking module according to the data analysis results. The first self-locking module receives control commands from the control module and drives the electromagnetic lock; The second self-locking module receives control commands from the control module and drives the mechanical lock; An alarm module receives alarm information from the control module; the alarm module includes a first alarm unit and a second alarm unit; the first alarm unit is located at the door of the power distribution cabinet and provides audible and visual alarms; the second alarm unit is located at the remote control module and displays alarm information on a display screen. The remote control module receives data information from the control module, provides a mobile terminal interface to display the status of the self-locking control system, and remotely issues control commands. A power module for providing power; the power module includes a main power supply and a backup power supply. The sensor module transmits data to the control module via wired or wireless communication. The control module transmits data to the first self-locking module via wired communication. The control module transmits data to the second self-locking module via wired communication. The control module transmits data to the remote control module via wireless communication.

2. The self-locking control system for a distribution cabinet door according to claim 1, characterized in that, The sensor module includes a Hall sensor and an infrared sensor; the Hall sensor is installed on the inner edge of the cabinet door to monitor whether the cabinet door is completely closed; the infrared sensor is installed on the top of the cabinet door to monitor whether there is any human activity in front of the cabinet door in real time.

3. A self-locking control system for a distribution cabinet door according to claim 1, characterized in that, The control module includes a microcontroller and a comparator; the comparator determines whether to trigger the second self-locking module based on the power supply status; when the main power supply is interrupted, the backup power supply is started and the second self-locking module is triggered.

4. A self-locking control system for a distribution cabinet door according to claim 3, characterized in that, The comparator used is an LM393.

5. A self-locking control system for a distribution cabinet door according to claim 1, characterized in that, The first self-locking module includes an electromagnetic lock drive unit and an electromagnetic lock.

6. A self-locking control system for a distribution cabinet door according to claim 1, characterized in that, The second self-locking module includes a motor drive unit, a DC motor, and a mechanical lock.

7. A self-locking control system for a distribution cabinet door according to claim 6, characterized in that, The motor drive unit used is model L298N.

8. A self-locking control system for a distribution cabinet door according to claim 1, characterized in that, The wireless communication includes RS485, Zigbee, LoRa, NB-IoT, or 4G / 5G cellular network communication.

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