CN204145483U - A kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment - Google Patents
A kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment Download PDFInfo
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- CN204145483U CN204145483U CN201420566966.7U CN201420566966U CN204145483U CN 204145483 U CN204145483 U CN 204145483U CN 201420566966 U CN201420566966 U CN 201420566966U CN 204145483 U CN204145483 U CN 204145483U
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- insulation monitoring
- monitoring equipment
- radio transmitting
- transmitting device
- line insulation
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Abstract
The utility model provides a kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment, comprise collecting unit, communication unit, upper computer end, partial discharge instrument transformer and sampling and converting unit is included in collecting unit, the output termination Sampling Machine converting unit of partial discharge instrument transformer, carried out the transmission of signal between collecting unit and communication unit by ZigBee wireless network, communication unit and upper computer end pass through optical fiber transmission signal.The utility model adopts a kind of local wire transmission replacing mining cable on-line insulation monitoring system based on ZigBee radio sensing network, and it is characterized in that easy for installation, reliability is high, low cost and other advantages.
Description
Technical field
The utility model relates to a kind of parts of cable on-line insulation monitoring device, particularly a kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment.
Background technology
Effective operation of colliery high-tension cable on-line insulation monitoring equipment is the important guarantee that coal mine downhole safety is produced.Traditional high-tension cable on-line insulation monitoring system is mainly structured on the basis of wire cable communication, communication link is easily by the impact of underground site environment, sensor node access is very dumb, and monitoring range is very narrow, can not adapt to the needs that modern and efficient mines are produced.The continuous progress of technical grade technology of wireless sensing network, for solving the condition that traditional drawback provides new.A new generation's ZigBee technology of wireless sensing network, with its low cost, low-power consumption, the advantage such as network capacity is large, networking adaptivity is strong, is widely used in the industrial occasions of low message transmission rate.
ZigBee technology is as occurring the close distance radio frequency identification communication technology that also fast development is universal in recent years, with features such as its networking are easy, low in energy consumption, agreement is simple, cost is low, in intelligent domestic system control, building automatic and industrial monitoring field, all there is wide application demand and the market space.The feature of ZigBee technology is applicable to underground coal mine complex environment feature just, ZigBee technology is applied to underground coal mine high-tension cable on-line insulation monitoring system, can greatly strengthens system reliability and flexibility.Appearance and the continuous progressive disadvantage for solving traditional mine wire cable communication system of technical grade technology of wireless sensing network provide new condition.This radio transmitting device is a kind of radio sensing network based on ZigBee, and have easy for installation, reliability is high, low cost and other advantages.
Utility model content
The purpose of this utility model adopts ZigBee wireless-transmission network, provides a kind of signal transmitting apparatus that cost is low, easy for installation, transfer of data meets reliably, again the partial discharge monitoring of the high-tension cable in safety standard requirements colliery being applicable to underground coal mine.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment, comprise the collecting unit gathering coaxial cable discharge information, carried out the transmission of signal between collecting unit and communication unit by ZigBee wireless network, communication unit and upper computer end pass through optical fiber transmission signal; Include partial discharge instrument transformer and sampling and converting unit in each collecting unit, the output termination sampling of partial discharge instrument transformer and conversion single.
Sampling and converting unit comprise signal conditioning circuit, A/D change-over circuit, wireless transmitter module, the output termination A/D change-over circuit of signal conditioning circuit, the output termination wireless transmitter module of A/D change-over circuit;
Communication unit comprises wireless receiving module, dsp controller, the first photoelectric conversion device, and wireless receiving module exports termination dsp controller, and DSP exports termination first photoelectric conversion device; Described upper computer end comprises the second photoelectric conversion device and host computer, and the second photoelectric conversion device connects upper computer end.
Described first photoelectric conversion device comprises the transcoder, the first level translator, the fiber optic transmitter that are connected successively;
Described second photoelectric conversion device comprises the fiber optic receiver, second electrical level transducer, the Rcv decoder that are connected successively.
Described partial discharge instrument transformer is mine anti-explosion Roche wideband pulses of current sensor.
The cramp joint of described partial discharge instrument transformer is on mining cable two-terminal-grounding line.
Every two collecting units detect a mining cable, the corresponding communication unit of all collecting units.
Described dsp controller is connected with warning device and display unit.
Described sampling and converting unit and described communication unit are encapsulated in explosion-proof shell respectively.
Adopt the utility model of above technical scheme, following beneficial effect can be reached:
(1) in the monitoring of mining cable, ZigBee wireless communication technology is adopted, wireless device signal transmission can be used, decrease fund input and the construction period of line construction, and can effectively solve because the impact of on-the-spot adverse circumstances under being subject to ore deposit, the system communication fault caused hinders the effectively transmission fast of information, wire communication mode can be solved well connect up that difficulty is large, cost is high, not to safeguard and the problem of upgrading, there is higher networking flexibility and transmission reliability simultaneously.
(2) information of communication unit is by optical fiber transmission signal, can avoid the electromagnetic interference of down-hole.
(3) what adopt is non-intruding distributed monitoring, can not cause any destruction to existing mining cable facility, and not by the impact of mine underground cable topological structure, can expand at any time.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present utility model.
Fig. 2 is the utility model theory diagram.
Fig. 3 is the first photoelectric conversion device.
Fig. 4 is the second photoelectric conversion device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, the utility model is a kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment, comprise multiple collecting unit, communication unit and upper computer end, by wireless ZigBee-network transmission information between collecting unit and communication unit, communication unit and upper computer end adopt Optical Fiber Transmission information.
As shown in Figure 2, each collecting unit of the present utility model comprises partial discharge instrument transformer, signal conditioning circuit, A/D change-over circuit, wireless transmitter module, partial discharge instrument transformer adopts mine anti-explosion Roche wideband pulses of current sensor, and cramp joint is on mining cable two-terminal-grounding line, the pulse current at monitoring grounding wire two ends is carried out by the principle of electromagnetic coupled, the information of the pulse current monitored is delivered to signal conditioning circuit by coaxial cable for high frequency by local discharge sensor, signal conditioning circuit mainly contains filter circuit, modulate circuit, discharge circuit forms, Roche wideband pulses of current sensor carries out stress release treatment process through modulate circuit to the voltage sent again by after the filtering of the signal collected circuit after filtering, after signal after process amplifies by discharge circuit, send A/D change-over circuit to and amplifying signal is converted to digital signal, launched by wireless transmitter module, transmitted by ZigBee wireless network, after wireless receiving module in communication unit receives signal, send into dsp controller, the first photoelectric conversion device is sent into again by dsp controller, signal is encoded via transcoder and is exported the first level translator to and carries out level conversion by the first light conversion device, level signal after conversion converts to through fiber optic transmitter and inputs to optical fiber after light signal and be sent to upper computer end, fiber optic receiver in second photoelectric conversion device of upper computer end converts the light signal of input to the signal of telecommunication and inputs to second electrical level transducer, and then convert the signal of telecommunication of input to common level signal, and this common level signal is inputed to the local pulse current signal that Rcv decoder finally obtains monitoring, and then import current signal into host computer.
As one preferred embodiment, above-mentioned ZigBee wireless transmitter module and wireless receiving module adopt the CC2430 chip of TI company, and the digital to analog converter that A/D change-over circuit employing model is ADS1672 realizes, dsp controller then adopts the dsp processor of Dpspic30F6014 type.
The utility model adopts ZigBee wireless communication technology, wireless device signal transmission can be used, decrease fund input and the construction period of line construction, and can effectively solve because the impact of on-the-spot adverse circumstances under being subject to ore deposit, the system communication fault caused hinders the effectively transmission fast of information, wire communication mode can be solved well connect up that difficulty is large, cost is high, not to safeguard and the problem of upgrading, there is higher networking flexibility and transmission reliability simultaneously; The information of communication unit passes through optical fiber transmission signal simultaneously, the electromagnetic interference of down-hole can be avoided, and what mounting means of the present utility model adopted is non-intruding distributed monitoring, any destruction can not be caused to existing mining cable facility, and not by the impact of mine underground cable topological structure, can expand at any time.
In above-mentioned radio transmitting device, dsp controller is connected with display unit and warning device, also can directly observes partial discharge situation when down-hole, and not need to observe in the host computer on ground.Simultaneously in order to increase the fail safe of device, sampling and converting unit and communication unit are encapsulated in explosion-proof shell respectively.
Claims (9)
1. the radio transmitting device of a mine high-voltage cable on-line insulation monitoring equipment, it is characterized in that: comprise the collecting unit gathering coaxial cable discharge information, carried out the transmission of signal between collecting unit and communication unit by ZigBee wireless network, communication unit and upper computer end pass through optical fiber transmission signal; Partial discharge instrument transformer and sampling and converting unit is included, the output termination sampling of partial discharge instrument transformer and converting unit in each collecting unit.
2. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1, it is characterized in that: sampling and converting unit comprise signal conditioning circuit, A/D change-over circuit, wireless transmitter module, the output termination A/D change-over circuit of signal conditioning circuit, the output termination wireless transmitter module of A/D change-over circuit.
3. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1, it is characterized in that: communication unit comprises wireless receiving module, dsp controller, the first photoelectric conversion device, wireless receiving module exports termination dsp controller, and DSP exports termination first photoelectric conversion device; Described upper computer end comprises the second photoelectric conversion device and host computer, and the second photoelectric conversion device connects upper computer end.
4. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 2, is characterized in that: described first photoelectric conversion device comprises the transcoder, the first level translator, the fiber optic transmitter that are connected successively;
Described second photoelectric conversion device comprises the fiber optic receiver, second electrical level transducer, the Rcv decoder that are connected successively.
5. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1, is characterized in that: described partial discharge instrument transformer is mine anti-explosion Roche wideband pulses of current sensor.
6. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1 and 2, is characterized in that: the cramp joint of described partial discharge instrument transformer is on mining cable two-terminal-grounding line.
7. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1, is characterized in that: every two collecting units detect a mining cable, the corresponding communication unit of all collecting units.
8. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 2, its feature is: described dsp controller is connected with warning device and display unit.
9. the radio transmitting device of a kind of mine high-voltage cable on-line insulation monitoring equipment according to claim 1, its feature is: described sampling and converting unit and described communication unit are encapsulated in explosion-proof shell respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566966.7U CN204145483U (en) | 2014-09-29 | 2014-09-29 | A kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566966.7U CN204145483U (en) | 2014-09-29 | 2014-09-29 | A kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145483U true CN204145483U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566966.7U Expired - Fee Related CN204145483U (en) | 2014-09-29 | 2014-09-29 | A kind of radio transmitting device of mine high-voltage cable on-line insulation monitoring equipment |
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| CN (1) | CN204145483U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865504A (en) * | 2015-04-03 | 2015-08-26 | 北京航天自动控制研究所 | Long-distance test, launch and control insulation monitoring device |
| CN105759187A (en) * | 2016-04-18 | 2016-07-13 | 国网辽宁省电力有限公司电力科学研究院 | Combined electric apparatus partial discharge multi-information fusion diagnostic device |
| CN109406963A (en) * | 2018-11-16 | 2019-03-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of the cable system Partial Discharge Detection positioning system and its detection localization method of more cut cables |
-
2014
- 2014-09-29 CN CN201420566966.7U patent/CN204145483U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865504A (en) * | 2015-04-03 | 2015-08-26 | 北京航天自动控制研究所 | Long-distance test, launch and control insulation monitoring device |
| CN105759187A (en) * | 2016-04-18 | 2016-07-13 | 国网辽宁省电力有限公司电力科学研究院 | Combined electric apparatus partial discharge multi-information fusion diagnostic device |
| CN109406963A (en) * | 2018-11-16 | 2019-03-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of the cable system Partial Discharge Detection positioning system and its detection localization method of more cut cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20200929 |