CN205750403U - A kind of mining anti-overstep tripping protection device - Google Patents

Abstract

This utility model relates to a kind of mining anti-overstep tripping protection device, especially exclusively for the one mining anti-overstep tripping protection device of underground coal mine Environment Design.This utility model is by increasing arc light detecting module, wireless communication module, Temperature Humidity Sensor in traditional mining anti-overstep tripping protection device; this mining anti-overstep tripping protection device is made to be integrated with in anti-overstep tripping defencive function, electric arc protection function, switch cabinet contact temperature monitoring function, switch cubicle ambient temperature and humidity monitoring function and Temperature and Humidity Control function in one; have that simple in construction, wiring be simple, easy construction and low cost and other advantages, be suitable for being widely popularized use.

Description

A kind of mining anti-overstep tripping protection device

Technical field

This utility model relates to a kind of mining anti-overstep tripping protection device, belongs to mining power supply unit technical field.

Background technology

The anti-overstep tripping protection device that the most domestic industrial and mining establishment are used typically provides only voltage detecting, current sense function, but in the switch cubicle installing this device, also has much information to need to gather, monitor and process.Therefore, existing mining anti-overstep tripping protection device major technique defect has: (1) does not possess arclight detection function in switch cubicle；(2) do not possesses switch cabinet contact temperature monitoring function；(3) do not possess ambient temperature and humidity monitoring and Temperature and Humidity Control function in switch cubicle.In order to realize much information collection and detection function, need corresponding plurality of devices is installed in switch cubicle, which results in the series of problems such as switch cubicle internal wiring complexity, constructional difficulties and the wasting of resources.In view of technical problem present in prior art, therefore, need urgently existing anti-overstep tripping protection device is improved and upgraded.

Summary of the invention

In order to overcome weak point present in existing anti-overstep tripping protection device; this utility model provides a kind of mining anti-overstep tripping protection device; this device overall construction design is ingenious; easy to operate; not only there is anti-overstep tripping defencive function, and be integrated with electric arc protection function, switch cabinet contact temperature radio detection function, the monitoring of switch cubicle ambient temperature and humidity and Temperature and Humidity Control function simultaneously.

To achieve these goals; the technical solution adopted in the utility model is; a kind of mining anti-overstep tripping protection device, including arc light detecting module, wireless communication module, Temperature Humidity Sensor, FPGA, voltage detection module, current detection module, outputs module, man-machine interface and CPU.The arc optical signal detected is changed into digital signal by arc light detecting module, through FPGA pretreatment, is sent to CPU process, the digital signal of CPU detection FPGA input by FPGA, when having detected that arc light produces, drives and output module action；Wireless communication module receives the switch cabinet contact temperature information that temperature sensor gathers, and is sent to CPU process by FPGA, after CPU receives temperature information, and can displays temperature information or display alarm information on the display in man-machine interface；Temperature Humidity Sensor gathers the ambient temperature and humidity information in switch cubicle, it is sent to CPU process by FPGA, CPU detects the ambient temperature and humidity information inputted by FPGA, when ambient temperature or ambient humidity being detected the most in limited time, driving outputs module action to start heater or exhaust system, it is achieved switch cubicle ambient temperature and humidity controls.

Described arc light detecting module, wireless communication module and Temperature Humidity Sensor is located in the mining anti-overstep tripping protection device with intelligent zero time limit current protection, short-circuit protection, dynamic overcurrent protection, inverse time overpower protection, overvoltage protection, under-voltage protection, phase unbalance protection, selective earth leakage protection and cable insulation supervision defencive function so that mining anti-overstep tripping protection device has arc light detecting function, switch cabinet contact temperature radio detection function and ambient temperature and humidity monitoring function and Temperature and Humidity Control function simultaneously.

As further improvement of the utility model; use double-core CPU as the central processing unit of mining anti-overstep tripping protection device; this double-core CPU is made up of an ARM core and a DSP core; wherein DSP core is as its main operational and the CPU of logical judgment; ARM core is as the CPU providing management function; and DSP core is provided with GPS interface, receiving, by telecommunication optical fiber, the synchronous sampling signal that gps time server issues, ARM core is connected to Ethernet by Ethernet interface.

As further improvement of the utility model, described wireless communication module uses ZigBee wireless communication technology, and the radio detection for switch cabinet contact temperature constructs low-power consumption, low complex degree, low data rate and the cordless communication network of low cost.

As further improvement of the utility model, described Temperature Humidity Sensor selecting circuit is simple and the One Wire digital hygro sensor of low cost, and temperature-humidity signal can be directly changed into digital signal and give CPU by it.

Relative to prior art, the utility model has the advantage of, 1) overall construction design is ingenious, and principle is simple, provides digital signal to DSP core by arc light detecting module, starts electric arc protection function；Use transmission of wireless signals by wireless communication module and gather switch cabinet contact temperature information, convenient construction；Gather the ambient temperature and humidity information in switch cubicle by One Wire digital hygro sensor, and Temperature and Humidity Control function in switch cubicle is provided.2) this device is integrated with anti-overstep tripping defencive function, electric arc protection function, switch cabinet contact temperature radio detection function and ambient temperature and humidity monitoring function and Temperature and Humidity Control function simultaneously; simple in construction; need not install multiple correlation function equipment again, wiring is simple, easy construction.

Accompanying drawing explanation

Fig. 1 is the mining anti-overstep tripping protection device structured flowchart of this utility model embodiment.

Detailed description of the invention

In order to deepen understanding and cognition of the present utility model, with embodiment this utility model it is further described below in conjunction with the accompanying drawings and introduce.

Embodiment

As shown in Figure 1; a kind of mining anti-overstep tripping protection device, including arc light detecting module, ZigBee wireless communication module, One Wire digital hygro sensor, FPGA, voltage detection module, current detection module, opens into module, outputs module, GPS, Ethernet, man-machine interface (display, keyboard) and double-core CPU.Wherein FPGA with CPU is connected by bus, arc light detecting module, ZigBee wireless communication module, One Wire digital hygro sensor, man-machine interface, measure voltage & current module, open into, output module and be connected by FPGA interface with DSP core, GPS interface is connected with DSP core, and Ethernet interface is with ARM nuclear phase even.

The arc optical signal detected is changed into digital signal by arc light detecting module, through FPGA pretreatment, is sent to CPU process, the digital signal of CPU detection FPGA input by FPGA, when having detected that arc light produces, drives and output module action.

ZigBee wireless communication module receives the switch cabinet contact temperature information that temperature sensor gathers, and is sent to CPU process by FPGA, after CPU receives temperature information, and can displays temperature information or display alarm information over the display.

One Wire digital hygro sensor gathers the ambient temperature and humidity information in switch cubicle, it is sent to CPU process by FPGA, CPU detects the ambient temperature and humidity information inputted by FPGA, when ambient temperature or ambient humidity being detected the most in limited time, driving outputs module to start heater or exhaust system, it is achieved switch cubicle ambient temperature and humidity controls.

Mining anti-overstep tripping protection device of the present utility model uses DSP core as core calculations and the CPU of logical judgment; the I/O interface of FPGA gathers intake by light-coupled isolation; of ac is gathered by the A/D converter of electromagnetic isolation and A/D converter or built-in electromagnetic insulation blocking; by input through keyboard definite value and parameter; by outputing module output action information, provide report, point information by display；Use ARM core as the CPU of management function, be connected with background monitoring center by Ethernet.

Mining anti-overstep tripping protection device of the present utility model has the ambient temperature and humidity monitoring in switch cabinet contact temperature information wireless collection, monitoring function, switch cubicle and Temperature and Humidity Control function, electric arc protection, intelligent zero time limit current protection, short-circuit protection, dynamic overcurrent protection, inverse time overpower protection, overvoltage protection, under-voltage protection, phase unbalance protection, selective earth leakage protection and cable insulation monitor defencive function.

It should be noted that above-described embodiment is most preferred embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or replacement each fall within this utility model scope of the claimed protection.In the claims, word " comprises " and does not excludes the presence of the components and parts not arranged in the claims.

Claims (7)

1. a mining anti-overstep tripping protection device; it is characterized in that: this device includes CPU and FPGA; described FPGA is connected with CPU by bus; on described FPGA, connection has arc light detecting module, wireless communication module, Temperature Humidity Sensor, voltage detection module, current detection module, opens into module, outputs module and man-machine interface; described CPU is provided with GPS interface and Ethernet interface, described in output module and be connected with heater, exhaust system.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 1, it is characterised in that described wireless communication module uses ZigBee wireless communication technology.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 1, it is characterised in that described Temperature Humidity Sensor uses One Wire digital hygro sensor.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 1, it is characterised in that described CPU uses double-core CPU.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 4, it is characterised in that described double-core CPU is made up of an ARM core and a DSP core.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 5, it is characterised in that described GPS interface is connected with DSP core, described Ethernet interface is with ARM nuclear phase even.

A kind of mining anti-overstep tripping protection device the most as claimed in claim 1, it is characterised in that described man-machine interface includes display and keyboard.