Digital operation system for complete set of switch equipment

Abstract

The utility model provides a digital operation system for a complete set of switch equipment, which comprises a partial discharge monitoring device, a mechanical characteristic monitoring device, a wireless temperature measuring device, a multifunctional ammeter, a switch state detection device, a microcomputer protection device and an infrared camera which are communicated with an integrated intelligent touch screen, information collected by a multifunctional electric meter, a partial discharge monitoring device, a mechanical characteristic monitoring device, a wireless temperature measuring device and other sensors is transmitted to an integrated intelligent touch screen through an RS485 serial port, and an infrared camera uploads a state image of a gas tank switch to the integrated intelligent touch screen in real time. The electrical equipment operation state monitoring system realizes comprehensive monitoring of the electrical equipment operation state, can be used for ring main units, C-GIS and other products, is obviously superior to existing products in the market in the aspects of intelligence, safety, operation and maintenance efficiency and expansibility, and is especially suitable for industrial, commercial and intelligent power grid scenes with high reliability requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to power system monitoring, intelligent power grid, industrial automation, internet of things application field, especially in a kind of digital complete switchgear operation system. BACKGROUND

[0002] At present, in the field of power system monitoring, intelligent power grid, industrial automation, internet of things, basically involves partial discharge monitoring, mechanical characteristic monitoring, temperature monitoring, ammeter measurement and other monitoring technologies, however, the traditional monitoring technology has the following problems:

[0003] 1, partial discharge monitoring technology, relies on artificial inspection, needs to be periodically powered off detection, data lag and has security risks;Only a single detection means (such as ultrasonic wave or ultrahigh frequency) is used, which is easy to miss detection or misjudgment;Installation is complex, needs to transform equipment structure or power-off operation, affects the stability of power grid.

[0004] 2, mechanical characteristic monitoring technology, data is mostly dependent on local storage, manual transcription, cannot be remotely analyzed and real-time early warning.

[0005] 3, temperature monitoring technology, there are wiring complex and poor expansibility problems, and there is electromagnetic interference risk;Battery-powered equipment needs to be frequently replaced, and the maintenance cost is high.

[0006] 4, ammeter measurement technology, traditional instrument only supports basic parameter measurement, low precision and poor compatibility.

[0007] 5, monitoring interface problem, traditional monitoring relies on PC terminal configuration or special tool, lacks integrated interactive interface.

[0008] Therefore, a digital complete switchgear operation system is needed, which can be used for ring network cabinet, C-GIS and other products, and is significantly better than existing market products in terms of intelligence, safety, operation efficiency and expansibility, especially suitable for high-reliability industrial, commercial and intelligent power grid scenarios. UTILITY MODEL CONTENT

[0009] The utility model aims at providing a digital complete switchgear operation system to solve the problems of the prior art.

[0010] To achieve the above object, the utility model provides the following scheme:

[0011] The utility model provides a digital complete switchgear operation system, comprising:

[0012] The partial discharge monitoring device is magnetically attracted and fixed on the cabinet body for cabinet partial discharge monitoring;

[0013] Mechanical characteristic monitoring device, the mechanical characteristic monitoring device is fixed to the signal line of the closing and opening coil, the circuit of motor and primary CT through buckle, is used for recording switch opening and closing time, times, coil maximum current, coil average current, primary current data through current;

[0014] Wireless temperature measuring device, the wireless temperature measuring device is arranged in the cabinet, is used for temperature monitoring;

[0015] Multifunctional electric meter, the multifunctional electric meter is installed in the cabinet through guide rail, is used for measuring current, voltage, frequency, power, electric energy, power factor, and carries out switching value input, analog quantity output, relay control operation;

[0016] Integrated intelligent touch screen, the integrated intelligent touch screen establishes communication with the partial discharge monitoring device, the mechanical characteristic monitoring device, the wireless temperature measuring device, the multifunctional electric meter, is used for displaying electric power parameter, equipment state, environmental data, and carries out local alarm threshold setting, historical data inquiry operation.

[0017] Preferably, the partial discharge monitoring device adopts ultrasonic wave, ground electric wave, ultra-high frequency cooperative monitoring partial discharge monitoring device.

[0018] Preferably, the mechanical characteristic monitoring device adopts mechanical characteristic hall sensor.

[0019] Preferably, the wireless temperature measuring device adopts passive temperature measuring sensor.

[0020] Preferably, still include switch state detection device, the switch state detection device establishes communication with the integrated intelligent touch screen.

[0021] Preferably, still include microcomputer protection device, the microcomputer protection device establishes communication with the integrated intelligent touch screen.

[0022] Preferably, still include infrared camera, the infrared camera establishes communication with the integrated intelligent touch screen.

[0023] The utility model discloses relative to prior art has obtained following beneficial technical effect:

[0024] The utility model provides a kind of digital complete switchgear operation system, comprising: partial discharge monitoring device, mechanical characteristic monitoring device, wireless temperature measuring device, multifunctional ammeter, switch state detection device, microcomputer protection device, infrared camera, it is established communication with integrated intelligent touch screen, by the information of multifunctional ammeter, partial discharge monitoring device, mechanical characteristic monitoring device, wireless temperature measuring device, etc. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 A kind of digital complete switchgear operation system schematic diagram provided by the utility model;

[0027] Figure 2 Mechanical characteristic monitoring device structure schematic diagram in a kind of digital complete switchgear operation system provided by the utility model;

[0028] Figure 3 Wireless temperature measuring device structure schematic diagram in a kind of digital complete switchgear operation system provided by the utility model;

[0029] Figure 4 Multifunctional ammeter structure schematic diagram in a kind of digital complete switchgear operation system provided by the utility model. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described in the drawings of the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] The utility model discloses a kind of digital complete switchgear operating systems, to solve the problems existing in prior art.

[0032] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model is further described in detail below with reference to the drawings and specific embodiments.

[0033] Embodiment 1:

[0034] The embodiment provides a kind of digital complete switchgear operating systems, as shown in Figures 1-4 Including:

[0035] Partial discharge monitoring device 1 is magnetically attracted and fixed on the cabinet, for monitoring the partial discharge of the cabinet;

[0036] Mechanical property monitoring device 2 is fixed on the signal line of the closing and opening coil, motor loop and primary CT through buckle, for recording the switch opening and closing time, times, coil maximum current, coil average current, primary current data through current;

[0037] Wireless temperature measuring device 3 is arranged in the cabinet, for temperature monitoring;

[0038] Multifunctional ammeter 4 is installed in the cabinet through guide rail, convenient to install and save low-voltage box space, for measuring current, voltage, frequency, power, electric energy, power factor, and performing switch input, analog output, relay control operation;Current, voltage measurement accuracy reaches 0.2 level, power factor accuracy ±0.02, accuracy and range are better than most traditional instruments, and can be connected to local platform or remote monitoring system, real-time data transmission and remote parameter modification;

[0039] Integrated intelligent touch screen 5, integrated intelligent touch screen and partial discharge monitoring device, mechanical property monitoring device, wireless temperature measuring device, multifunctional ammeter establish communication, for displaying power parameters, equipment state, environmental data, and performing local alarm threshold setting, historical data query operation. Through 485 communication, the data of the above-mentioned modules are integrated into integrated intelligent touch screen 5, and power parameters (voltage, current), equipment health status (mechanical property data, temperature data) and environmental data are displayed centrally. The operation interface is intuitive, and the user can directly set the alarm threshold and control logic on the screen without relying on the background system or special debugging tool. It supports standard communication protocols (such as IEC61850), can seamlessly access smart grid or factory automation platform, and is better than some products on the market that rely on private protocols to cause compatibility problems. Modular design allows for later expansion of functions to meet different scene requirements.

[0040] As an embodiment, the partial discharge monitoring device 1 adopts an ultrasonic wave, ground electric wave and super high frequency cooperative partial discharge monitoring device, which supports the cooperation of ultrasonic wave, ground electric wave and super high frequency three technologies, realizes 24-hour uninterrupted real-time data acquisition, has an automatic alarm function, and triggers instant alarm for abnormal data; supports the generation of data reports and trend charts in the background, assists operation and maintenance personnel to quickly locate problems, adopts magnetic attraction design, can be directly adsorbed on the cabinet, is easy to install, can discover problems such as insulation deterioration in advance, and avoids sudden failures.

[0041] As an embodiment, the mechanical property monitoring device 2 adopts a mechanical property Hall sensor, does not need to change the original structure or wiring of the circuit breaker, records switch opening and closing time, number of times, maximum coil current, average coil current, primary current and other data through current, accurately judges mechanical wear or jamming risk, supports RS485 wired and LORA wireless communication, can be extended to IEC61850 protocol, has flexible networking (multiple devices can centrally upload data), and is convenient for remote management of the monitoring center.

[0042] As an embodiment, the wireless temperature measurement device 3 adopts a passive temperature measurement sensor, adopts 433MHz wireless transmission technology, does not need wiring, supports wireless communication up to 200 meters (in an open environment), greatly reduces installation complexity, a single receiving device can access up to 60 wireless temperature sensors, supports flexible expansion, takes power through induction (start-up current ≥ 5A), the battery life of the active sensor is up to 8 years, significantly reduces maintenance cost, supports RS485 / RS232 communication and standard MODBUS protocol by default, has strong compatibility, supports remote monitoring and analysis of data.

[0043] As an embodiment, the switch state detection device 6 also includes a switch state detection device 6, which establishes communication with the integrated intelligent touch screen 5.

[0044] As an embodiment, the microcomputer protection device 7 also includes a microcomputer protection device 7, which establishes communication with the integrated intelligent touch screen 5.

[0045] As an embodiment, the infrared camera 8 also includes an infrared camera 8, which establishes communication with the integrated intelligent touch screen 5 through USB.

[0046] The specific examples of the utility model are applied to the principle and implementation mode of the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. An operating system for a digital complete set of switchgear, characterized in that: include: A partial discharge monitoring device, which is magnetically fixed to the cabinet for monitoring partial discharge in the cabinet; A mechanical characteristic monitoring device is fixed to the signal lines of the closing and opening coil, the motor circuit, and the primary CT by a snap-fit. It is used to record the closing and opening time, number of times, maximum coil current, average coil current, and primary current data of the switch by current. A wireless temperature measurement device, which is installed inside the cabinet, is used for temperature monitoring; The multi-functional meter is installed in the cabinet via a guide rail and is used to measure current, voltage, frequency, power, energy, and power factor, as well as to perform switch input, analog output, and relay control operations. An integrated intelligent touchscreen communicates with the partial discharge monitoring device, the mechanical characteristic monitoring device, the wireless temperature measurement device, and the multi-functional meter to display power parameters, equipment status, environmental data, and perform localized alarm threshold settings and historical data query operations.

2. The operating system for digitalized complete switchgear according to claim 1, characterized in that: The partial discharge monitoring device adopts a combination of ultrasonic waves, ground waves, and ultra-high frequency to monitor partial discharge.

3. The operating system for digitalized complete switchgear according to claim 1, characterized in that: The mechanical characteristic monitoring device uses a mechanical characteristic Hall sensor.

4. The operating system for digitalized complete switchgear according to claim 1, characterized in that: The wireless temperature measurement device uses a passive temperature sensor.

5. The operating system for digitalized complete switchgear according to claim 1, characterized in that: It also includes a switch status detection device, which establishes communication with the integrated smart touch screen.

6. The operating system for digitalized complete switchgear according to claim 1, characterized in that: It also includes a microcomputer protection device, which establishes communication with the integrated intelligent touch screen.

7. The operating system for digitalized complete switchgear according to claim 1, characterized in that: It also includes an infrared camera, which communicates with the integrated smart touchscreen.

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