Centralized confirmation device for safe operation of high-voltage cabinet in high-voltage distribution room

Abstract

The utility model discloses a safe operation centralized confirmation device for a high-voltage cabinet in a high-voltage distribution room, which comprises a PLC (Programmable Logic Controller), an upper computer and a plurality of safe operation confirmation devices, and is characterized in that the PLC is electrically connected with the upper computer and the plurality of safe operation confirmation devices at the same time; the safety operation confirmation device is fixedly installed on a high-voltage cabinet of a high-voltage distribution room, the safety operation confirmation device comprises a secondary confirmation button, a work end button, a buzzer and an alarm, and the secondary confirmation button, the work end button, the buzzer and the alarm are electrically connected with the PLC controller at the same time; the structure is simple, and the operation safety of the high-voltage cabinet is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of a practical device for preventing high-voltage electrical misoperation, and in particular to a centralized confirmation device for safe operation of a high-voltage cabinet in a high-voltage distribution room. Background Art

[0002] In recent years, with the rapid development of my country's economy and the increase in the number of electrical equipment used in people's production and life, the electricity load of our society has continued to increase, and higher requirements have been put forward for the stability and safety of power supply. It also puts forward higher requirements for the operation level of power workers. In the operation of the power system, the problem of high-voltage electrical misoperation has also emerged in an endless stream.

[0003] Therefore, a centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms is provided to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the utility model is that there are many high-voltage cabinets in the existing high-voltage distribution room, and the power workers are prone to find the wrong high-voltage cabinet during maintenance, resulting in misoperation; therefore, a high-voltage cabinet safety operation centralized confirmation device is provided, and the high-voltage cabinet safety operation centralized confirmation device comprises:

[0005] A PLC controller, a host computer and several safety operation confirmation devices, the PLC controller is electrically connected to the host computer and several of the safety operation confirmation devices at the same time, the safety operation confirmation devices are fixedly installed on the high-voltage cabinet in the high-distribution room, the safety operation confirmation devices include a secondary confirmation button, a work end button, a buzzer and an alarm, the secondary confirmation button, the work end button, the buzzer and the alarm are all electrically connected to the PLC controller at the same time.

[0006] Furthermore, the work end buttons are fixedly installed in the high-voltage cabinet of the high-equipment room, the secondary confirmation button and the buzzer are also fixedly installed on the outer surface of the high-voltage cabinet of the high-equipment room, and the alarm is fixedly installed on the upper surface of the outer side of the high-voltage cabinet of the high-equipment room.

[0007] Furthermore, it also includes a middle relay, which is arranged between the alarm and the PLC controller.

[0008] Furthermore, it also includes a first normally closed switch, and the first normally closed switch is arranged between the secondary confirmation button and the PLC control.

[0009] Furthermore, it also includes a second normally closed switch, and a second normally closed switch is arranged between the work end button and the PLC controller.

[0010] Furthermore, the alarm is an alarm indicator light.

[0011] Furthermore, the host computer is used to perform command interaction with the PLC controller.

[0012] Furthermore, the PLC controller is used to send control instructions to the buzzer and the alarm, the PLC controller is also used to receive instructions sent by the secondary confirmation button and the work end button, and the PLC controller is also used to interact with the host computer for instructions.

[0013] Furthermore, the number of the safety operation confirmation devices is the same as the number of high-voltage cabinets in the high-voltage distribution room.

[0014] The implementation of this utility model has the following beneficial effects:

[0015] The utility model adds a secondary confirmation button and an alarm on the high-voltage cabinet panel to confirm whether the operator has opened the wrong cabinet to be operated, thereby preventing the operator from opening the wrong cabinet and causing danger, endangering the lives of the staff, and improving the safety of high-voltage cabinet operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is the display diagram of the upper computer in the utility model;

[0018] Figure 3 It is a wiring diagram of the PLC controller in the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] Please refer to the instruction manual Figure 1-3 The technical problem to be solved in this embodiment is that there are a large number of high-voltage cabinets in the existing high-voltage distribution room, and the power workers are prone to find the wrong high-voltage cabinet during maintenance, resulting in misoperation; therefore, a high-voltage cabinet safety operation centralized confirmation device is provided, and the high-voltage cabinet safety operation centralized confirmation device includes:

[0021] PLC controller 5, host computer 6 and several safety operation confirmation devices. The PLC controller 5 is electrically connected to the host level and several safety operation confirmation devices at the same time. The safety operation confirmation device is fixedly installed on the high-voltage cabinet in the high-distribution room. The safety operation confirmation device includes a secondary confirmation button 3, a work end button 2, a buzzer 4 and an alarm 1. The secondary confirmation button 3, the work end button 2, the buzzer 4 and the alarm 1 are all electrically connected to the PLC controller 5 at the same time.

[0022] The work end button 2 is fixedly installed in the high-voltage cabinet of the high-distribution room, the secondary confirmation button 3 and the buzzer 4 are also fixedly installed on the outer surface of the high-voltage cabinet of the high-distribution room, and the alarm 1 is fixedly installed on the upper surface of the outer side of the high-voltage cabinet of the high-distribution room.

[0023] It also includes a middle relay, which is arranged between the alarm 1 and the PLC controller 5.

[0024] It also includes a first normally closed switch, which is arranged between the secondary confirmation button 3 and the PLC control.

[0025] It also includes a second normally closed switch, which is arranged between the work end button 2 and the PLC controller 5 .

[0026] The host computer 6 is used to perform command interaction with the PLC controller 5 .

[0027] The PLC controller 5 is used to send control instructions to the buzzer 4 and the alarm 1 . The PLC controller 5 is also used to receive instructions sent by the secondary confirmation button 3 and the work end button 2 . The PLC controller 5 is also used to exchange instructions with the host computer 6 . Example

[0028] Please refer to the instruction manual Figure 1-3 The technical problem to be solved in this embodiment is that there are a large number of high-voltage cabinets in the existing high-voltage distribution room, and the power workers are prone to find the wrong high-voltage cabinet during maintenance, resulting in misoperation; therefore, a high-voltage cabinet safety operation centralized confirmation device is provided, and the high-voltage cabinet safety operation centralized confirmation device includes:

[0029] PLC controller 5, host computer 6 and several safety operation confirmation devices. The PLC controller 5 is electrically connected to the host level and several safety operation confirmation devices at the same time. The safety operation confirmation device is fixedly installed on the high-voltage cabinet in the high-distribution room. The safety operation confirmation device includes a secondary confirmation button 3, a work end button 2, a buzzer 4 and an alarm 1. The secondary confirmation button 3, the work end button 2, the buzzer 4 and the alarm 1 are all electrically connected to the PLC controller 5 at the same time.

[0030] The work end button 2 is fixedly installed in the high-voltage cabinet of the high-distribution room, the secondary confirmation button 3 and the buzzer 4 are also fixedly installed on the outer surface of the high-voltage cabinet of the high-distribution room, and the alarm 1 is fixedly installed on the upper surface of the outer side of the high-voltage cabinet of the high-distribution room.

[0031] It also includes a middle relay, which is arranged between the alarm 1 and the PLC controller 5.

[0032] It also includes a first normally closed switch, which is arranged between the secondary confirmation button 3 and the PLC control.

[0033] It also includes a second normally closed switch, which is arranged between the work end button 2 and the PLC controller 5 .

[0034] Alarm 1 is an alarm indicator light.

[0035] The host computer 6 is used to perform command interaction with the PLC controller 5 .

[0036] The PLC controller 5 is used to send control instructions to the buzzer 4 and the alarm 1 . The PLC controller 5 is also used to receive instructions sent by the secondary confirmation button 3 and the work end button 2 . The PLC controller 5 is also used to exchange instructions with the host computer 6 . Example

[0037] Please refer to the instruction manual Figure 1-3 The technical problem to be solved in this embodiment is that there are a large number of high-voltage cabinets in the existing high-voltage distribution room, and the power workers are prone to find the wrong high-voltage cabinet during maintenance, resulting in misoperation; therefore, a high-voltage cabinet safety operation centralized confirmation device is provided, and the high-voltage cabinet safety operation centralized confirmation device includes:

[0038] PLC controller 5, host computer 6 and several safety operation confirmation devices, PLC controller 5 is electrically connected to the host level and several safety operation confirmation devices at the same time, the safety operation confirmation device is fixedly installed on the high-voltage cabinet in the high-voltage distribution room, and the safety operation confirmation device includes a secondary confirmation button 3, a work end button 2, a buzzer 4 and an alarm 1, and the secondary confirmation button 3, the work end button 2, the buzzer 4 and the alarm 1 are all electrically connected to the PLC controller 5 at the same time. In this embodiment, the number of safety operation confirmation devices is 8, and the number of high-voltage cabinets in the high-voltage distribution room is also 8, which is the same as the number of safety operation confirmation devices.

[0039] The work end button 2 is fixedly installed in the high-voltage cabinet of the high-distribution room, the secondary confirmation button 3 and the buzzer 4 are also fixedly installed on the outer surface of the high-voltage cabinet of the high-distribution room, and the alarm 1 is fixedly installed on the upper surface of the outer side of the high-voltage cabinet of the high-distribution room.

[0040] It also includes a middle relay, which is arranged between the alarm 1 and the PLC controller 5.

[0041] It also includes a first normally closed switch, which is arranged between the secondary confirmation button 3 and the PLC control.

[0042] It also includes a second normally closed switch, which is arranged between the work end button 2 and the PLC controller 5 .

[0043] Alarm 1 is an alarm indicator light.

[0044] The host computer 6 is used to perform command interaction with the PLC controller 5 .

[0045] The PLC controller 5 is used to send control instructions to the buzzer 4 and the alarm 1 . The PLC controller 5 is also used to receive instructions sent by the secondary confirmation button 3 and the work end button 2 . The PLC controller 5 is also used to exchange instructions with the host computer 6 .

[0046] In this embodiment, the staff selects the specific high-voltage cabinet that needs to be operated from the host computer, the high-voltage cabinet generates a control command and sends it to the PLC controller, the PLC controller controls the alarm to work, at this time the maintenance personnel enters the high-voltage distribution room, comes to the high-voltage cabinet where the alarm is working, presses the secondary confirmation button, the PLC controller receives the command of pressing the secondary confirmation button, and sends it to the host computer, the host computer generates a buzzer working instruction and sends it to the PLC controller, the PLC controller controls the buzzer to work, the operator confirms that the buzzer of this cabinet sounds and starts to open the high-voltage cabinet for operation and maintenance inspection, presses the work end button after completing the maintenance inspection, and closes the high-voltage cabinet.

[0047] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms, characterized in that: include: A PLC controller, a host computer and several safety operation confirmation devices, the PLC controller is electrically connected to the host computer and several of the safety operation confirmation devices at the same time, the safety operation confirmation devices are fixedly installed on the high-voltage cabinet in the high-distribution room, the safety operation confirmation devices include a secondary confirmation button, a work end button, a buzzer and an alarm, the secondary confirmation button, the work end button, the buzzer and the alarm are all electrically connected to the PLC controller at the same time.

2. The centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 1 is characterized in that: The work end buttons are fixedly installed in the high-voltage cabinet of the high-voltage cabinet, the secondary confirmation button and the buzzer are fixedly installed on the outer surface of the high-voltage cabinet of the high-voltage cabinet, and the alarm is fixedly installed on the upper surface of the outer side of the high-voltage cabinet of the high-voltage cabinet.

3. The centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 2 is characterized in that: It also includes a middle relay, which is arranged between the alarm and the PLC controller.

4. The centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 3 is characterized in that: It also includes a first normally closed switch, which is arranged between the secondary confirmation button and the PLC control.

5. The centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 4 is characterized in that: It also includes a second normally closed switch, which is arranged between the work end button and the PLC controller.

6. The device for centralized confirmation of safe operation of high-voltage cabinet in high-voltage distribution room according to claim 5 is characterized in that: The alarm is an alarm indicator light.

7. The device for centralized confirmation of safe operation of high-voltage cabinet in high-voltage distribution room according to claim 6 is characterized in that: The host computer is used to perform command interaction with the PLC controller.

8. The device for centralized confirmation of safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 7 is characterized in that: The PLC controller is used to send control instructions to the buzzer and the alarm, the PLC controller is also used to receive instructions sent by the secondary confirmation button and the work end button, and the PLC controller is also used to exchange instructions with the host computer.

9. The centralized confirmation device for safe operation of high-voltage cabinets in high-voltage distribution rooms according to claim 8 is characterized in that: The number of the safety operation confirmation devices is the same as the number of the high-voltage cabinets in the high-voltage distribution room.

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