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High-voltage cabinet busbar joint temperature and current monitoring and protecting system

A busbar connector and current monitoring technology, applied in electrical components, circuit devices, fire alarms that rely on the effect of smoke/gas, etc., can solve problems such as inability to perform remote monitoring, emergency situations cannot be handled in time, etc., and achieve network transmission. The effect of fast speed, fast communication speed and high degree of intelligence

Inactive Publication Date: 2015-02-18
PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention can monitor the temperature of the joint, but it cannot be monitored remotely, and it cannot be dealt with in time for emergencies, so it is not suitable for today's increasingly automated

Method used

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  • High-voltage cabinet busbar joint temperature and current monitoring and protecting system
  • High-voltage cabinet busbar joint temperature and current monitoring and protecting system
  • High-voltage cabinet busbar joint temperature and current monitoring and protecting system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 , figure 2 and image 3As shown: the present invention provides a high-voltage cabinet bus joint temperature and current monitoring and protection system, including a monitoring unit 6, a control unit 1, a fire fighting unit, an alarm unit 7, a base station 2 and a centralized control center 4, the monitoring unit 6, Control unit 1, base station 2 and centralized control center 4 are connected in sequence, and described monitoring unit 6 comprises temperature monitoring module 9 and current monitoring module 10, and described control unit 1 comprises A / D converter 8, single-chip microcomputer 3, and described fire-fighting unit Including an automatic fire extinguisher, the control unit 1 is connected to the base station 2 through RS485, and the base station 2 is connected to the central control center 4 through wired optical fiber. The temperature and current of the bus joints in the high-voltage cabinet and the temperature in the high-voltage cabine...

Embodiment 2

[0035] Such as figure 1 , figure 2 and image 3 As shown: the present invention also provides a high-voltage cabinet bus joint temperature and current monitoring and protection system, including a monitoring unit 6, a control unit 1, a fire fighting unit, an alarm unit 7, a base station 2 and a centralized control center 4, and the monitoring unit 6 , control unit 1, base station 2 and centralized control center 4 are connected in sequence, and described monitoring unit 6 comprises temperature monitoring module 9 and current monitoring module 10, and described control unit 1 comprises A / D converter 8, single-chip microcomputer 3, and described fire-fighting The unit includes an automatic fire extinguisher, the control unit 1 is connected to the base station 2 through RS485, and the base station 2 is connected to the centralized control center 4 through wired optical fiber.

[0036] The automatic fire extinguisher adopts a suspended dry powder fire extinguisher, which can au...

Embodiment 3

[0039] Such as figure 1 , figure 2 and image 3 As shown: the present invention also provides a high-voltage cabinet bus joint temperature and current monitoring and protection system, including a monitoring unit 6, a control unit 1, a fire fighting unit, an alarm unit 7, a base station 2 and a centralized control center 4, and the monitoring unit 6 , control unit 1, base station 2 and centralized control center 4 are connected in sequence, and described monitoring unit 6 comprises temperature monitoring module 9 and current monitoring module 10, and described control unit 1 comprises A / D converter 8, single-chip microcomputer 3, and described fire-fighting The unit includes an automatic fire extinguisher, the control unit 1 is connected to the base station 2 through RS485, and the base station 2 is connected to the centralized control center 4 through wired optical fiber.

[0040] The base station 2 realizes wireless connection with the control unit 1 through 485 to WIFI t...

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Abstract

The invention discloses a high-voltage cabinet busbar joint temperature and current monitoring and protecting system which comprises a monitoring unit, a control unit, a fire protection unit, an alarm unit, a base station and a centralized control center. The monitoring unit, the control unit, the base station and the centralized control center are sequentially connected. The monitoring unit comprises a temperature monitoring module and a current monitoring module. The control unit comprises an A / D converter and a single-chip microcomputer. The fire protection unit comprises an automatic fire extinguisher. The control unit is connected with the base station through an RS485. The base station is connected with the centralized control center through a wired optical fiber. According to the system, temperature and current information of a busbar joint in a high-voltage cabinet is monitored, the monitored temperature is compared with normal temperature through the control unit, smog information in the high-voltage cabinet is acquired, urgent repair is conducted when fire breaks out, the information is collected to the centralized control center, the temperature and the current of the high-voltage cabinet busbar joint are remotely monitored on line, power work quality is improved, and the probability and losses of accidents are reduced.

Description

technical field [0001] The invention relates to the technical field of power system monitoring, in particular to a temperature and current monitoring and protection system for bus joints of a high-voltage cabinet. Background technique [0002] At present, as power transmission equipment, closed busway has been widely used in indoor substations, high-rise buildings and factory buildings in recent years to replace traditional cables for power distribution. At present, closed busway mainly includes 4 types: air-insulated type, densely insulated type, high-strength type and fireproof type busway. Due to the characteristics of the closed busbar's own structure, the temperature rise has a great influence on its working performance and reliability, especially the closed busbar joints. When the temperature of the bus duct itself rises to a certain limit value, it will accelerate the aging of the insulation, or even destroy the insulation, cause accidents, interrupt power supply, an...

Claims

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Application Information

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IPC IPC(8): H02J13/00G08B17/10
Inventor 牛宇干刘世奇耿新王振方
Owner PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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