CN205427151U - Mining motor operation main parameter on -line monitoring system - Google Patents
Mining motor operation main parameter on -line monitoring system Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 101100388212 Arabidopsis thaliana DSP3 gene Proteins 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
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- 238000012545 processing Methods 0.000 claims description 3
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- 238000004804 winding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000036039 immunity Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of a motor on -line monitoring, especially relate to a mining motor operation main parameter on -line monitoring system. Mining motor operation main parameter on -line monitoring system comprises DSP, emulation ware, programmed computer, reset unit, display element, current sensor, temperature sensor, torque sensor, speed sensor, gas sensor, humidity transducer, operational environment, signal isolation unit, signal converting unit, current sensor 0, communication unit and current sensor 1. The utility model discloses main parameter on -line monitoring system ability collect motor's stream, temperature, moment of torsion, rotational speed and operational environment's gas content and climate information to operation and teletransmission have advantages such as measurement accuracy height, stability is good, interference immunity is strong, are fit for in colliery adverse circumstances and the frequent occasion of using of motor in the pit, improve the reliability and the stability of mining motor, guarantee that safety in production and people's lives and properties safety have the very important meaning.
Description
Technical field
This utility model belongs to a kind of motor on-line monitoring technique field, particularly relates to a kind of mine motor and runs major parameter on-line monitoring system.
Background technology
At present, China's coal-mine safety production situation persistently takes a turn for the better, coal mining environment is improved, accident total amount and fatality rate per million tons are all declining year by year, but Safety of Coal Mine Production situation is the severeest, particularly serious production accident happens occasionally, and the basic hidden danger of restriction Safety production questions fails effectively to be administered.Mining motor is the production equipment that down-hole application is more, is also the equipment being easiest to break down, so the performance of mining motor directly governs Coal Mine Power Network quality (electric motor starting, braking have greater impact to electrical network) and can safety in production be carried out smoothly.With assessment, motor status on-line monitoring refers to that the various performance parameters to motor operation course and product quality indicator parameter are measured in real time, then feed back to processor and carry out data calculating, and analyze and process, call status assessment data storehouse and judge the running status of motor.The condition evaluation results of motor is divided into normal condition, abnormality and malfunction three kinds.
Summary of the invention
In order to solve the technical problem that prior art exists, the utility model proposes a kind of mine motor and run major parameter on-line monitoring system, purpose is to provide the information such as the electric current of system online acquisition motor, temperature, moment of torsion, rotating speed and working environment gas bearing capacity, carry out calculation process through DSP and obtain running status and the gas density of motor, report to the police in motor operation troubles or gas overpressure timestamp, be capable of the data communication between remote computer simultaneously.
This utility model is to be achieved through the following technical solutions utility model purpose:
nullMine motor runs major parameter on-line monitoring system，It is connected with the outfan of emulator by the DLL of DSP3，The outfan of emulator is connected with the outfan of programmed computer，The outfan of reset unit is connected with the reseting interface of DSP，The input of display unit is connected with the signal output part of DSP3，The signal input part of current sensor is connected with the three-phase windings of mine motor，The outfan of current sensor is connected with the input of signal isolated location，Temperature sensor is fixed on mine motor，The outfan of temperature sensor is connected with the input of signal isolated location，Torque sensor and speed probe are connected on the main shaft of motor，Torque sensor is connected with the input of signal isolated location with the outfan of speed probe，Firedamp sensor and humidity sensor are connected in the working environment of motor，Firedamp sensor is connected with the input of signal isolated location with the outfan of humidity sensor，The outfan of signal isolated location is connected with the input of signal conversion unit，The outfan of signal conversion unit is connected with the signal input part of DSP，The input of acousto-optic warning unit is connected with the signal output part of DSP，The input of communication unit and the communication structure line of DSP connect，The outfan of communication unit is connected with the communication interface of long distance control system.
Described current sensor, temperature sensor, torque sensor, speed probe, firedamp sensor and humidity sensor Real-time Collection mine motor electric current, temperature, moment of torsion, rotating speed and the gas bearing capacity of working environment and humidity, the analogue signal that DSP can identify is become after signal isolated location and signal conversion unit, DSP carries out calculation process and contrasts with the safety value in data base the output information of sensor, obtain running status and the working environment index of motor, in electrical fault, gas is reported to the police by acousto-optic warning unit when exceeding standard with humidity over limit；Monitoring system utilizes SPI communication interface in real time mine motor operational factor and environmental information to be sent to long distance control system.
Described temperature sensor is a kind of current type integrated temperature sensor that AD company of the AD590 U.S. develops, in dut temperature one timing, be equivalent to a constant-current source, export 1 μ A/K and be proportional to the current signal of absolute temperature, there is the stronger linearity and capacity of resisting disturbance；AD590 temperature sensor is pasted onto mining motor surface, and along with the rising of motor temperature, AD590 temperature also increases as, and output electric current, also with increase, is converted into voltage signal current signal, sends DSP to through signal isolated location and signal conversion unit.
nullThe temperature sensing circuit of described temperature sensor is: the outfan of temperature sensor AD 590 and resistance R1、One end of R3 is connected，The other end of resistance R1 is connected to the ground through swept resistance R2 and connects，The other end of resistance R3 is connected with the positive input terminal of operational amplifier LM358，The negative input end of operational amplifier LM358 is connected with its outfan through resistance R5，The outfan of LM358 is connected with the positive input terminal of voltage comparator LM361，Resistance R4、After swept resistance R6 series connection, two ends are connected with the positive and negative terminal of power supply respectively，The negative input end of voltage comparator LM361 is connected between resistance R4 and swept resistance R6，The outfan of voltage comparator LM361 is connected with the input of optocoupler HCNR201，Resistance R7 is connected with power supply negative terminal and the ground of optocoupler HCNR201 respectively，Resistance R8 outfan with power positive end and optocoupler HCNR201 respectively is connected，The power supply positive and negative terminal of operational amplifier LM358 and voltage comparator LM361 is connected with the positive and negative of power supply respectively；
The range of signal that DSP receives is 0-3.3V, and the signal maximum of the secondary side of sensor output is 5V, receives magnitude of voltage with DSP and does not mates, therefore modelled signal change-over circuit realizes the voltage conversion of different amplitude；The signal of signal isolated location output carries out processing the input end of analog signal mouth ADCINA0 being directly inputted to DSP through voltage-limiting protection, filtering and amplifying circuit.
Advantage of the present utility model and providing the benefit that:
This utility model mine motor runs major parameter on-line monitoring system can gather gas bearing capacity and the humidity information of the stream of motor, temperature, moment of torsion, rotating speed and working environment, go forward side by side row operation process and remote transmission, there is the advantages such as certainty of measurement height, good stability, strong interference immunity, it is suitable in the adverse circumstances of underground coal mine and the occasion of motor frequent application, for improving the reliability and stability of mine motor, it is ensured that safety in production and people life property safety's tool are of great significance.
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 mine motor runs major parameter on-line monitoring system structure diagram；
Fig. 2 temperature sensing circuit.
In figure: signal isolated location 1, signal conversion unit 2, DSP3, acousto-optic warning unit 4, reset unit 5, display unit 6, interface 7, emulator 8, programmed computer 9, communication unit 10, long distance control system 11, current sensor 13, temperature sensor 14, torque sensor 15, speed probe 16, firedamp sensor 17, humidity sensor 18, mine motor 19, working environment 20.
Detailed description of the invention
As Figure 1-Figure 2, this utility model is that a kind of mine motor runs major parameter on-line monitoring system, is described in detail the specific implementation process of patent below in conjunction with the accompanying drawings.
nullThis monitoring system is by DSP3、Emulator 8、Programmed computer 9、Reset unit 5、Display unit 6、Current sensor 13、Temperature sensor 14、Torque sensor 15、Speed probe 16、Firedamp sensor 17、Humidity sensor 18、Working environment 20、Signal isolated location 1、Signal conversion unit 2、Acousto-optic warning unit 4、Communication unit 10 and long distance control system 11 form，Wherein the DLL 7 of DSP3 is connected with the outfan of emulator 8，The outfan of emulator 8 is connected with the outfan of programmed computer 9，The outfan of reset unit 5 is connected with the reseting interface of DSP3，The input of display unit 6 is connected with the signal output part of DSP3，The signal input part of current sensor 13 is connected with the three-phase windings of mine motor 19，The outfan of current sensor 13 is connected with the input of signal isolated location 1，Temperature sensor 14 is fixed on the surface of mine motor 19，The outfan of temperature sensor 14 is connected with the input of signal isolated location 1，Torque sensor 15 and speed probe 16 are fixed on the main shaft of motor 19，Torque sensor 15 is connected with the input of signal isolated location 1 with the outfan of speed probe 16，Firedamp sensor 17 and humidity sensor 18 are fixed in the working environment 20 of motor，Firedamp sensor 17 is connected with the input of signal isolated location 1 with the outfan of humidity sensor 18，The outfan of signal isolated location 1 is connected with the input of signal conversion unit 2，The outfan of signal conversion unit 2 is connected with the signal input part of DSP3，The input of acousto-optic warning unit 4 is connected with the signal output part of DSP3，The input of communication unit 10 and the communication structure line of DSP3 connect，The outfan of communication unit 10 is connected with the communication interface of long distance control system 11.
Monitoring system work process describes: high-precision sensor: current sensor 13, temperature sensor 14, torque sensor 15, speed probe 16, firedamp sensor 17 and humidity sensor 18 Real-time Collection mine motor 19 electric current, temperature, moment of torsion, rotating speed and the gas bearing capacity of working environment and humidity, become, after signal isolated location 1 and signal conversion unit 2, the analogue signal that DSP3 can identify, DSP3 carries out calculation process and contrasts with the safety value in data base the output information of sensor, obtain running status and working environment 20 index of motor 19, in motor 19 fault, gas is exceeded standard and is reported to the police by acousto-optic warning unit 4 with during humidity over limit.Monitoring system utilizes SPI communication interface in real time mine motor operational factor and environmental information to be sent to long distance control system 11.
The important indicator of mining motor running status is weighed in temperature rise.The important measures of mining motor safe and reliable operation are ensured when monitoring the temperature of motor body in real time.AD590 is a kind of current type integrated temperature sensor that AD company of the U.S. develops, and this device, in dut temperature one timing, is equivalent to a constant-current source, exports 1 μ A/K and be proportional to the current signal of absolute temperature, have the stronger linearity and capacity of resisting disturbance.AD590 temperature sensor is pasted onto mining motor surface, and along with the rising of motor temperature, AD590 temperature also increases as, and output electric current, also with increase, is converted into voltage signal current signal, sends DSP to through signal isolated location and signal conversion unit.nullTemperature sensing circuit is as shown in Figure 2，The wherein outfan of temperature sensor AD 590 and resistance R1、One end of R3 is connected，The other end of resistance R1 is connected to the ground through swept resistance R2 and connects，The other end of resistance R3 is connected with the positive input terminal of operational amplifier LM358，The negative input end of operational amplifier LM358 is connected with its outfan through resistance R5，The outfan of LM358 is connected with the positive input terminal of voltage comparator LM361，Resistance R4、After swept resistance R6 series connection, two ends are connected with the positive and negative terminal of power supply respectively，The negative input end of voltage comparator LM361 is connected between resistance R4 and swept resistance R6，The outfan of voltage comparator LM361 is connected with the input of optocoupler HCNR201，Resistance R7 is connected with power supply negative terminal and the ground of optocoupler HCNR201 respectively，Resistance R8 outfan with power positive end and optocoupler HCNR201 respectively is connected，The power supply positive and negative terminal of operational amplifier LM358 and voltage comparator LM361 is connected with the positive and negative of power supply respectively.
The range of signal that DSP receives is 0-3.3V, and the signal maximum of the secondary side of sensor output is 5V, receives magnitude of voltage with DSP and does not mates, therefore modelled signal change-over circuit realizes the voltage conversion of different amplitude.In order to improve the security performance of circuit, the input signal preventing operational amplifier and DSP is excessive, damages components and parts, designs pressure limiting protective circuit of diode.Signaling conversion circuit selects active filter circuit to be filtered, and prevents signal disturbing.The signal of signal isolated location output carries out processing the input end of analog signal mouth ADCINA0 being directly inputted to DSP through voltage-limiting protection, filtering and amplifying circuit.
This utility model mine motor runs major parameter on-line monitoring system can gather gas bearing capacity and the humidity information of the stream of motor, temperature, moment of torsion, rotating speed and working environment, go forward side by side row operation process and remote transmission, there is the advantages such as certainty of measurement height, good stability, strong interference immunity, it is suitable in the adverse circumstances of underground coal mine and the occasion of motor frequent application, for improving the reliability and stability of mine motor, it is ensured that safety in production and people life property safety's tool are of great significance.
Claims (4)
- null1. mine motor runs major parameter on-line monitoring system，It is characterized in that: be connected with the outfan of emulator (8) by the DLL (7) of DSP3，The outfan of emulator (8) is connected with the outfan of programmed computer (9)，The outfan of reset unit (5) and DSP(3) reseting interface be connected，The input of display unit (6) and DSP(3) signal output part be connected，The signal input part of current sensor (13) is connected with the three-phase windings of mine motor (19)，The outfan of current sensor (13) is connected with the input of signal isolated location (1)，Temperature sensor (14) is fixed on mine motor (19)，The outfan of temperature sensor (14) is connected with the input of signal isolated location (1)，Torque sensor (15) and speed probe (16) are connected on the main shaft of motor (19)，Torque sensor (15) is connected with the input of signal isolated location (1) with the outfan of speed probe (16)，Firedamp sensor (17) and humidity sensor (18) are connected in the working environment (20) of motor，Firedamp sensor (17) is connected with the input of signal isolated location (1) with the outfan of humidity sensor (18)，The outfan of signal isolated location (1) is connected with the input of signal conversion unit (2)，The outfan of signal conversion unit (2) and DSP(3) signal input part be connected，The input of acousto-optic warning unit (4) and DSP(3) signal output part be connected，The input of communication unit (10) and DSP(3) communication structure line connect，The outfan of communication unit (10) is connected with the communication interface of long distance control system (11).
- nullMine motor the most according to claim 1 runs major parameter on-line monitoring system，It is characterized in that: described current sensor (13)、Temperature sensor (14)、Torque sensor (15)、Speed probe (16)、Firedamp sensor (17) and humidity sensor (18) Real-time Collection mine motor (19) electric current、Temperature、Moment of torsion、Rotating speed and the gas bearing capacity of working environment and humidity，DSP(3 is become after signal isolated location (1) and signal conversion unit (2)) analogue signal that can identify，DSP(3) the output information to sensor carries out calculation process and contrasts with the safety value in data base，Obtain running status and working environment (20) index of motor (19)，In motor (19) fault、Gas is exceeded standard and is reported to the police by acousto-optic warning unit (4) with during humidity over limit；Monitoring system utilizes SPI communication interface that mine motor operational factor and environmental information are sent to long distance control system (11) in real time.
- Mine motor the most according to claim 1 runs major parameter on-line monitoring system, it is characterized in that: described temperature sensor (14) is a kind of current type integrated temperature sensor that AD company of the AD590 U.S. develops, in dut temperature one timing, be equivalent to a constant-current source, export 1 μ A/K and be proportional to the current signal of absolute temperature, there is the stronger linearity and capacity of resisting disturbance；AD590 temperature sensor is pasted onto mining motor surface, and along with the rising of motor temperature, AD590 temperature also increases as, and output electric current, also with increase, is converted into voltage signal current signal, sends DSP to through signal isolated location and signal conversion unit.
- nullMine motor the most according to claim 3 runs major parameter on-line monitoring system，It is characterized in that: the temperature sensing circuit of described temperature sensor (14) is: the outfan of temperature sensor AD 590 and resistance R1、One end of R3 is connected，The other end of resistance R1 is connected to the ground through swept resistance R2 and connects，The other end of resistance R3 is connected with the positive input terminal of operational amplifier LM358，The negative input end of operational amplifier LM358 is connected with its outfan through resistance R5，The outfan of LM358 is connected with the positive input terminal of voltage comparator LM361，Resistance R4、After swept resistance R6 series connection, two ends are connected with the positive and negative terminal of power supply respectively，The negative input end of voltage comparator LM361 is connected between resistance R4 and swept resistance R6，The outfan of voltage comparator LM361 is connected with the input of optocoupler HCNR201，Resistance R7 is connected with power supply negative terminal and the ground of optocoupler HCNR201 respectively，Resistance R8 outfan with power positive end and optocoupler HCNR201 respectively is connected，The power supply positive and negative terminal of operational amplifier LM358 and voltage comparator LM361 is connected with the positive and negative of power supply respectively；The range of signal that DSP receives is 0-3.3V, and the signal maximum of the secondary side of sensor output is 5V, receives magnitude of voltage with DSP and does not mates, therefore modelled signal change-over circuit realizes the voltage conversion of different amplitude；The signal of signal isolated location output carries out processing the input end of analog signal mouth ADCINA0 being directly inputted to DSP through voltage-limiting protection, filtering and amplifying circuit.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353307A (en) * | 2015-12-02 | 2016-02-24 | 国家电网公司 | On-line main operating parameter monitoring system for mine motor |
| CN106570072A (en) * | 2016-10-14 | 2017-04-19 | 武汉钢铁股份有限公司 | Tension leveler driving roller running state monitoring system and fault diagnosis method |
| CN106707164A (en) * | 2017-01-03 | 2017-05-24 | 重庆长安汽车股份有限公司 | ISG motor temperature field experiment method and system |
| CN111551846A (en) * | 2019-02-12 | 2020-08-18 | 杭州三倍速机电有限公司 | Motor system energy efficiency detection method and system |
| CN112930471A (en) * | 2018-08-31 | 2021-06-08 | 西门子股份公司 | Protective isolation module for an electric machine |
-
2015
- 2015-12-02 CN CN201520984479.7U patent/CN205427151U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353307A (en) * | 2015-12-02 | 2016-02-24 | 国家电网公司 | On-line main operating parameter monitoring system for mine motor |
| CN106570072A (en) * | 2016-10-14 | 2017-04-19 | 武汉钢铁股份有限公司 | Tension leveler driving roller running state monitoring system and fault diagnosis method |
| CN106570072B (en) * | 2016-10-14 | 2019-10-08 | 武汉钢铁有限公司 | Withdrawal straightening machine driven roller running state monitoring system and method for diagnosing faults |
| CN106707164A (en) * | 2017-01-03 | 2017-05-24 | 重庆长安汽车股份有限公司 | ISG motor temperature field experiment method and system |
| CN112930471A (en) * | 2018-08-31 | 2021-06-08 | 西门子股份公司 | Protective isolation module for an electric machine |
| CN111551846A (en) * | 2019-02-12 | 2020-08-18 | 杭州三倍速机电有限公司 | Motor system energy efficiency detection method and system |
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