CN206804775U - A kind of mine cable status monitoring prior-warning device - Google Patents
A kind of mine cable status monitoring prior-warning device Download PDFInfo
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- CN206804775U CN206804775U CN201720490595.2U CN201720490595U CN206804775U CN 206804775 U CN206804775 U CN 206804775U CN 201720490595 U CN201720490595 U CN 201720490595U CN 206804775 U CN206804775 U CN 206804775U
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- warning device
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- cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000007257 malfunction Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 210000002615 epidermis Anatomy 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of mine cable status monitoring prior-warning device, including monitor terminal, malfunction coefficient module, communication module, control unit, power module, the multiple Monitor Sub-Station of Less of monitoring center's industrial computer and underground on well, malfunction coefficient module is connected with monitor terminal on well, monitor terminal is connected by communication module with control unit on well, and control unit is connected with each Monitor Sub-Station of Less.The real-time monitoring grounding line current of each Monitor Sub-Station of Less, cable temperature, cable local discharge signal, the signal of collection is sent into control unit, signal is sent into monitor terminal on well by control unit through communication module, monitor terminal finds cable fault and warned to staff in time on well, related personnel's timely processing is notified, maintains the normal production of mine and the personal safety of worker.
Description
Technical field
It the utility model is related to a kind of mine cable status monitoring prior-warning device.
Background technology
Mine cable in coal mine is the power supply channel of each equipment under mine, due to the bad environments of underground, mining electricity
Various failures occur in cable, such as ground connection, short circuit failure, if handled not in time, can cause electric power system paralysis or even trigger
Electric arc.Gas and coal dust are flooded with mine, fire can be caused or even explode by running into electric spark, injure the fortune in whole colliery
Make, threaten the life safety of worker, therefore, the status monitoring of cable becomes particularly important.
Traditional cable status detection means is mostly off-line checking method, it is necessary to the aptitude tests that has a power failure, and in actual colliery
In production, supply of electric power is the pillar of whole coal enterprise, and also therefore, the on-line condition monitoring of cable becomes one and is badly in need of solution
The problem of certainly and handling.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of simple in construction, high safety, the accurate ore deposit of measurement
With cable status monitoring prior-warning device.
The technical scheme that the utility model solves the above problems is：A kind of mine cable status monitoring prior-warning device, including
Monitor terminal, malfunction coefficient module, communication module, control unit, power module, monitoring center's industrial computer and underground are multiple on well
Monitor Sub-Station of Less, power module provide working power, the malfunction coefficient module and monitor terminal phase on well for whole prior-warning device
Even, monitor terminal is connected by communication module with the control unit positioned at underground on well, control unit and monitoring center's industrial computer
It is connected, each Monitor Sub-Station of Less includes ground wire current detecting unit, cable temperature detection unit and Partial Discharge Detection unit,
It is grounded current detecting unit, cable temperature detection unit, signal output part and the control unit phase of Partial Discharge Detection unit
Even.
Above-mentioned mine cable status monitoring prior-warning device, it is other that the ground wire current detecting unit includes a microampere order
The current sensor of current sensor and a milliampere rank.
Above-mentioned mine cable status monitoring prior-warning device, the cable temperature detection unit use the temperature of PTl00 models
Sensor, temperature sensor are close to cable insulation epidermis.
Above-mentioned mine cable status monitoring prior-warning device, the Partial Discharge Detection unit select high frequency sensors, high frequency
Sensor is coupling on ground wire.
Above-mentioned mine cable status monitoring prior-warning device also includes alarm module, alarm module and monitor terminal phase on well
Even.
Above-mentioned mine cable status monitoring prior-warning device, described control unit include microprocessor and FPGA, microprocessor
As ground wire current detecting unit and the controller of cable temperature detection unit, masters of the FPGA as Partial Discharge Detection unit
Control chip.
Above-mentioned mine cable status monitoring prior-warning device, the microprocessor include power circuit, single-chip microcomputer, A/D module,
RAM module, clock module and MAX232 serial port circuits, A/D module, RAM module, clock module, MAX232 serial port circuits respectively with
Single-chip microcomputer is connected, and power circuit provides working power for microprocessor.
The beneficial effects of the utility model are：The real-time monitoring grounding line current of each Monitor Sub-Station of Less of the present utility model, electricity
Cable temperature, cable local discharge signal, the signal of collection are sent into control unit, and signal is sent into well by control unit through communication module
Upper monitor terminal, monitor terminal finds cable fault and warned to staff in time on well, notifies related personnel's timely processing；
Malfunction coefficient module can allow the state parameter that operating personnel are more visually known in cable running, reduce failure appearance
Do not solved in time and cause more major break down odds, maintain the normal production of mine and the person peace of worker
Entirely.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is power circuit diagram of the present utility model.
Fig. 3 is the circuit diagram of the utility model MAX232 serial port circuits.
Fig. 4 is the circuit diagram of the utility model microprocessor.
Fig. 5 is the utility model FPGA circuit diagram.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of mine cable status monitoring prior-warning device, including monitor terminal on well, malfunction coefficient module,
Communication module, alarm module, control unit, power module, the multiple Monitor Sub-Station of Less of monitoring center's industrial computer and underground, the failure
Display module, alarm module are connected with monitor terminal on well, and monitor terminal passes through communication module and the control positioned at underground on well
Unit is connected, and monitoring center's industrial computer is connected with control unit, is responsible for storage and the calling of data；Monitor Sub-Station of Less is responsible for each detection
The Signal sampling and processing of unit, meanwhile, the signal of each Monitor Sub-Station of Less in underground is passed on well by control unit, communication module
Monitor terminal；Each Monitor Sub-Station of Less includes ground wire current detecting unit, cable temperature detection unit and Partial Discharge Detection
Unit, ground wire current detecting unit, cable temperature detection unit, the signal output part of Partial Discharge Detection unit and control are single
Member is connected.
Described control unit includes microprocessor and FPGA, and microprocessor is as ground wire current detecting unit and cable temperature
Spend the controller of detection unit, main control chips of the FPGA as Partial Discharge Detection unit.The microprocessor includes power supply electricity
Road, single-chip microcomputer, A/D module, RAM module, clock module and MAX232 serial port circuits, A/D module, RAM module, clock module,
MAX232 serial port circuits are connected with single-chip microcomputer respectively, and power circuit provides working power for microprocessor.
The ground wire current detecting unit is using the other current sensor of a microampere order and the electricity of a milliampere rank
Flow sensor measures ground connection line current.The cable temperature detection unit uses the temperature sensor of PTl00 models, by temperature
Sensor is close to the temperature signal that cable insulation epidermis carrys out detection cable.The Partial Discharge Detection unit selects high frequency sensing
Device, high frequency sensors are coupling in the local discharge signal for being grounded detection cable of coming up.
Operation principle of the present utility model is as follows：The ground wire current detecting unit of each Monitor Sub-Station of Less, cable temperature detection
Unit and the real-time monitoring grounding line current of Partial Discharge Detection unit, cable temperature, cable local discharge signal, the signal of collection
Control unit is sent into, signal is sent into monitor terminal on well by control unit through communication module, and monitor terminal finds electricity in time on well
Cable failure simultaneously warns to staff, notifies related personnel's timely processing；Malfunction coefficient module can allow operating personnel more directly perceived
Ground understands the state parameter in cable running, reduces failure and occurs not solved in time and causing more major break down to be sent out
Raw probability, maintain the normal production of mine and the personal safety of worker.
As shown in Fig. 2 power circuit provides power supply for microprocessor, electric capacity C1, C2 effect are for input power
Voltage regulation filtering, fuse F1 for current limliting, diode D1 effect is to prevent electric current reverse impact and partial pressure, electric capacity C3, C4
Effect be out-put supply voltage regulation filtering, 12V system power supplies are converted into+5V voltages by power circuit.The utility model
Power circuit be zero resistance, the characteristics of whole circuit shows high resistant, isolate different electrical voltage systems.
As shown in figure 3, communicating circuit of the MAX232 serial port circuits as SCM＆FPGA, MAX232 chip pins 1 pass through
Electric capacity is connected with pin 3, and pin 4 connects electric capacity and is connected with pin 5；The RXD ports of the single-chip microcomputer 8051 of RIOUT mouths map interlinking 4, TlIN mouths
Connect the TXD mouths of single-chip microcomputer；TIOUT ports connect 3 mouthfuls of D Connector 9；RlIN mouths connect 2 mouthfuls of D Connector 9.
As shown in figure 4, choosing main control chip of 8051 single-chip microcomputers as microprocessor, ADC0809 chips are chosen as AD
Conversion chip；The D0-D7 mouths of ADC0809 chips are the digital signal output ends after AD conversion, are controlled by OE ends；When OE ends export
When permission signal is " 0 ", D0-D7 ends are high-impedance state；When it is " 1 " that OE ends, which export permission signal, after D0-D7 ends output AD conversion
Data；IN0- IN7 mouths are that analog input channel is corresponding with 8 various combinations of A ports, B ports, C-terminal mouth.
The P0.0-P0.7 mouths of single-chip microcomputer 8051 are used for doing multiplexed data bus, 8 ports respectively with ADC0809 chips
D0-D7 mouths are connected；The P0.0 mouths of single-chip microcomputer, P0.1 mouths, the effect of P0.2 mouths is 8 road analog inputs of selection；The utility model
P2.0 mouths and P2.6 mouths are chosen as I/O address selection signal；During AD conversion, EOC ports, which reduce, turns into low level, AD conversion it
Afterwards, EOC ports are changed into high level again.
As shown in figure 5, shelf depreciation belongs to high-frequency signal, the utility model chooses FPGA as Partial Discharge Detection unit
Main control chip, FPGA uses two kinds of configuration modes being combined of AS and JTAG, and FPGA needs to carry out electric on every time when
Configuration.First, system is debugged using JTAG configuration mode to FPGA programs, is tied after success using As and EPcsl6 phases
The mode of conjunction is by download program into EPCS16 so that, can be to FPGA Auto Loaders after each system electrification；Meanwhile
Loaded by the loading of JTAG configuration modes prior to AS configuration modes, at the same time in loading procedure, AS configuration modes terminate automatically.
Claims (7)
- A kind of 1. mine cable status monitoring prior-warning device, it is characterised in that：Including monitor terminal on well, malfunction coefficient module, Communication module, control unit, power module, the multiple Monitor Sub-Station of Less of monitoring center's industrial computer and underground, power module are whole pre- Alarm device provides working power, and the malfunction coefficient module is connected with monitor terminal on well, and monitor terminal passes through the mould that communicates on well Block is connected with positioned at the control unit of underground, and control unit is connected with monitoring center industrial computer, and each Monitor Sub-Station of Less is including connecing Ground line current detection unit, cable temperature detection unit and Partial Discharge Detection unit, ground wire current detecting unit, cable temperature Degree detection unit, the signal output part of Partial Discharge Detection unit are connected with control unit.
- 2. mine cable status monitoring prior-warning device according to claim 1, it is characterised in that：The ground connection line current inspection Surveying unit includes the other current sensor of a microampere order and the current sensor of a milliampere rank.
- 3. mine cable status monitoring prior-warning device according to claim 1, it is characterised in that：The cable temperature detection Unit uses the temperature sensor of PTl00 models, and temperature sensor is close to cable insulation epidermis.
- 4. mine cable status monitoring prior-warning device according to claim 1, it is characterised in that：The Partial Discharge Detection Unit selects high frequency sensors, and high frequency sensors are coupling on ground wire.
- 5. mine cable status monitoring prior-warning device according to claim 1, it is characterised in that：Also include alarm module, Alarm module is connected with monitor terminal on well.
- 6. mine cable status monitoring prior-warning device according to claim 1, it is characterised in that：Described control unit includes Microprocessor and FPGA, microprocessor is as ground wire current detecting unit and the controller of cable temperature detection unit, FPGA Main control chip as Partial Discharge Detection unit.
- 7. mine cable status monitoring prior-warning device according to claim 6, it is characterised in that：The microprocessor includes Power circuit, single-chip microcomputer, A/D module, RAM module, clock module and MAX232 serial port circuits, A/D module, RAM module, clock mould Block, MAX232 serial port circuits are connected with single-chip microcomputer respectively, and power circuit provides working power for microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490595.2U CN206804775U (en) | 2017-05-05 | 2017-05-05 | A kind of mine cable status monitoring prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490595.2U CN206804775U (en) | 2017-05-05 | 2017-05-05 | A kind of mine cable status monitoring prior-warning device |
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| Publication Number | Publication Date |
|---|---|
| CN206804775U true CN206804775U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720490595.2U Expired - Fee Related CN206804775U (en) | 2017-05-05 | 2017-05-05 | A kind of mine cable status monitoring prior-warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508793A (en) * | 2018-03-23 | 2018-09-07 | 国网上海市电力公司 | A kind of novel cable work well real time intelligent control fault early warning method |
| CN111880062A (en) * | 2020-08-29 | 2020-11-03 | 河南四达电力设备股份有限公司 | Distributed full-state online monitoring device and method for distribution cable intermediate joint |
-
2017
- 2017-05-05 CN CN201720490595.2U patent/CN206804775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508793A (en) * | 2018-03-23 | 2018-09-07 | 国网上海市电力公司 | A kind of novel cable work well real time intelligent control fault early warning method |
| CN111880062A (en) * | 2020-08-29 | 2020-11-03 | 河南四达电力设备股份有限公司 | Distributed full-state online monitoring device and method for distribution cable intermediate joint |
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| 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: 20171226 Termination date: 20190505 |