CN103344320A - Vibration acceleration sensor signal conditioning device for mine - Google Patents
Vibration acceleration sensor signal conditioning device for mine Download PDFInfo
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- CN103344320A CN103344320A CN2013102952743A CN201310295274A CN103344320A CN 103344320 A CN103344320 A CN 103344320A CN 2013102952743 A CN2013102952743 A CN 2013102952743A CN 201310295274 A CN201310295274 A CN 201310295274A CN 103344320 A CN103344320 A CN 103344320A
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- 230000001133 acceleration Effects 0.000 title claims abstract description 50
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000005284 excitation Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 37
- 239000003245 coal Substances 0.000 claims description 21
- 238000005065 mining Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 2
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention relates to a vibration acceleration sensor signal conditioning device for a mine. The device comprises an acceleration sensor and a signal conditioning device. The acceleration sensor comprises a vibration acceleration sensor, a fixing device and a mine cable. The signal conditioning device comprises a signal input port, a signal conditioning circuit board, a power supply module, a device shell body and a signal output port. The signal conditioning circuit board comprises a sensor excitation circuit, a decoupling circuit, a filter circuit, a primary integrating circuit, an amplifying circuit, a secondary integrating circuit and an amplifying circuit. During vibration signal collecting in the mine, the sensor is fixed to a measured point through the fixing device. After decoupling, filtering and signal conversion of signals are carried out through the signal conditioning device, a vibration acceleration signal, a speed signal and a displacement signal are output from the signal output port. A user can connect the vibration acceleration sensor signal conditioning device with a signal collecting device according to needs. Different vibration signals can be obtained through the same sensor, so that obtaining of the vibration acceleration signal, the speed signal and the displacement signal is more convenient.
Description
Technical field
The present invention relates to a kind of vibration signal sensor signal regulating device, particularly relate to a kind of colliery vibration acceleration sensor signal regulating device.
Background technology
Coal is the maximum fossil fuel of memory space in the world, and China is as maximum in the world consumption of coal state and producing country.Coal is as the main energy sources of China, and it is accounting 70% in energy structure, in present and following considerable time, its will be in energy structure dominate, expect that the year two thousand fifty will account for that disposable energy production consumes more than 50%.
Along with expanding economy, China will constantly increase the demand of coal, is had higher requirement in the colliery simultaneously.Just towards " mining machineryization, straight-throughization of transportation, mine robotization, mine informationization " four direction development, have higher requirement to coal mine equipment in the colliery at present.But owing to reasons such as the diversity of China's mine natural conditions and Unpredictabilities, be badly in need of strengthening detection and the research of monitoring aspect of the large-scale production equipment in colliery, make the colliery to develop towards high-yield and high-efficiency, intellectuality, mechanization direction.
At present domestic a lot of collieries and R﹠D institution have all had realized that the importance that colliery underground equipment status signal obtains, but since the status signal of colliery underground equipment obtain the restriction that also is subjected to a lot of aspects, main restricting factor is:
(1), the actual environment under the coal mine is abominable
Actual environment under the coal mine is the primary factor that restriction colliery underground equipment status signal obtains.For the environment of moist many dust or even high gas under the coal mine, all are applied to the sensor of colliery underground equipment signals collecting and the mal-condition that the design of conditioning drive unit all must be able to adapt to the down-hole.
(2), the equipment state signal is of a great variety
Colliery underground equipment working state signal has diversity, mainly comprises: signals such as electric current, voltage, temperature, vibration and pressure.At present, most of signals have available sensing device to obtain under the coal mine.
Vibration monitoring and fault diagnosis technology and to be applied in other field quite ripe, but owing to lack mining vibration signal sensing device, the vibration signal of colliery underground equipment can't obtain, and makes to be used in equipment control that the vibration monitoring technology can't be under coal mine and the monitoring.
In sum, because abominable working condition and environment proposed very high requirement to sensor under the coal mine, obtaining of all kinds of status signals of main equipment has very big difficulty under the coal mine, so far be applicable to colliery underground equipment vibrating sensing signal regulating device as yet, the vibration monitoring of other field maturation and fault diagnosis technology are difficult to carry out in the underground equipment of colliery and apply.Therefore, the colliery is badly in need of and can be vibrated the sensing device of monitoring to underground equipment.
At present, known vibration acceleration sensor signal regulating device mainly refers to the drive unit for the vibration acceleration sensor driving, is mainly used in the working environment in non-colliery.The vibration-measuring sensor that is used under the coal mine mainly is the vibration signal that picks up under the electromechanical equipment duty of down-hole, in order to equipment state is carried out daily management, especially when device fails, the vibration signal under the special state be can record effectively, faults analysis and diagnosis are convenient to.
The signal regulating device of the general acceleration vibration transducer of using can not satisfy the requirement of national coal peace authentication techniques.
This patent designs the acceleration transducer signals conditioning device according to the requirement of coal peace authentication techniques, makes it reach coal peace Valuation Standard.
The meaning of this patent development mainly contains:
(1), developed a kind of mining vibration acceleration signal conditioning device, make obtaining of colliery underground equipment vibration signal become possibility;
(2), the signal regulating device by development can obtain a large amount of field datas, for the research of colliery underground equipment Gernral Check-up provides first hand data;
(3), be the provide the foundation harvester of data of the robotization in colliery, informationization, intelligentized realization.
Summary of the invention
Fundamental purpose of the present invention is, a kind of mining acceleration transducer signals conditioning device of design invention, and the difficult problem that the friction sensor that runs into before having solved under the coal mine can be used has realized obtaining of colliery underground equipment vibration signal.
The present invention is achieved in that a kind of mining vibration acceleration sensor signal regulating device, comprises acceleration transducer and signal regulating device two large divisions.Acceleration transducer is made up of vibration acceleration sensor, stationary installation and mine cable successively; Signal regulating device is made up of signal input port, signal conditioning circuit plate, supply module, device case, signal output port.Wherein, signal regulating panel is made up of sensor excitation circuit, isolation circuit, filtering circuit, one-level integrating circuit, amplifying circuit, second order product parallel circuit, amplifying circuit; Supply module is made up of battery and battery protection module.
The picking up signal of mining vibration acceleration sensor signal regulating device and conditioning process are as follows: vibration acceleration sensor is fixed on the measuring point by stationary installation, vibration acceleration sensor is converted into electric signal with vibration signal under the driving of signal regulating device exciting circuit.Then, the signal that vibration acceleration sensor is picked up is transferred on the signal input port of conditioning device by mine cable, by output three road acceleration signals behind isolation circuit and the filtering circuit, first via acceleration signal is from the joint output of signal output port; Being integrated after by one-level integrating circuit and amplifying circuit from the second road signal of filtering circuit output is that rate signal is from the joint output of output port; Be divided into displacement signal from the joint output of output port by biproduct from the Third Road signal of filtering circuit output after by second order product parallel circuit and amplifying circuit.
The present invention has done following technical measures for the working environment that adapts to the colliery to system equipment:
(1), signal regulating device adopts the in-line power pattern, electric battery adopts chargeable Ni-MH battery, can electric battery be charged by the charging inlet on the signal regulating device, electric battery inside is packaged with the holding circuit that prevents short circuit;
(2), the signal regulating device shell has been done the processing of waterproof and dustproof, electrostatic prevention, and has been adopted the packing washer docking port to carry out encapsulation process;
(3), the signal regulating device of mining vibration acceleration sensor, the joint of signal input port, the joint of signal output port, sensor port all adopt the aviation port, the aviation port has the effect of waterproof and dustproof, electrostatic prevention;
(4), the housing of the signal regulating device of mining vibration acceleration sensor adopts the ABS material housing of handling through waterproof and dustproof, electrostatic prevention;
(5), the signal regulating device of mining vibration acceleration sensor, it is characterized in that wherein said signal regulating device is by screw the signal conditioning circuit plate to be fixed on the base plate of device case, and supply module is fixed on the signal conditioning circuit plate by band.
The present invention is from solving colliery vibration signals problem, developed a kind of mining vibration signal sensor signal regulating device, solved the difficult problem that vibration signal is difficult to obtain, for the foundation of coal mine equipment daily management, status monitoring and fault diagnosis system provides basic data, for the robotization that improves aforementioned colliery system with intelligently provide important data support.
The present invention solves the problem of picking up of the vibration parameters of coal mine equipment, and can carry out signal condition to the signal that picks up by signal regulating device.The present invention has the following advantages:
(1), of the present inventionly have a good signal conditioning functions, can realize vibration acceleration, speed, the disposable of displacement signal are picked up;
(2), the present invention adopts the electric elements of low-power consumption, adopt holding circuit in the electric battery, simultaneously host housing has been done the electrostatic prevention processing, so instrument can be realized preventing dust, the function of waterproof, electrostatic prevention, reach the relevant safety standard of national colliery electrical appliance;
(3), design volume of the present invention is little, quality is light in carrying.
Description of drawings
Fig. 1 is the signal regulating device structural representation.
Fig. 2 is signal regulating device one-piece construction figure.
Among the figure:
1: stationary installation 2: vibration acceleration sensor
3: mine cable 4: the signal input port joint
5: device case 6: the signal output port interface
7: signal output port interface 8: the signal output port interface
9: acceleration transducer 10: the signal conditioning circuit plate
11: sensor excitation circuit 12: isolation circuit
13: filtering circuit 14: the one-level integrating circuit
15: amplifying circuit 16: the second order product parallel circuit
17: amplifying circuit 18: signal output port
19: supply module 20: signal input port
21: battery 22: the battery protection module.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and the effect thereof of a kind of mining vibration acceleration sensor signal regulating device that foundation the present invention is proposed, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.By the explanation of embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
The structural representation of of the present invention a kind of mining vibration sensor signal conditioning device as shown in Figure 1, comprise acceleration transducer and signal regulating device two large divisions, signal regulating device is made up of signal input port 20, signal conditioning circuit plate 10, supply module 19, signal output port 18.Wherein, signal regulating panel 10 is made up of sensor excitation circuit 11, isolation circuit 12, filtering circuit 13, one-level integrating circuit 14, amplifying circuit 15, second order product parallel circuit 16, amplifying circuit 17; Supply module 19 is made up of battery 21 and battery protection module 22.After signal picked up by acceleration transducer 9, the isolation circuit 12 that is transferred to signal conditioning circuit plate 10 by signal input port 20 carried out decoupling, and was undertaken exporting vibration acceleration signal after the filtering by filtering circuit 13; Become the vibration velocity signal after the processing of vibration acceleration signal through one-level integrating circuit 14 and amplifying circuit 15; Simultaneously, vibration acceleration signal is through becoming the vibration displacement signal after second order product parallel circuit 16 and amplifying circuit 17 processing.Three road signals are by signal output port 18 outputs.
The one-piece construction figure of of the present invention a kind of mining vibration sensor signal conditioning device as shown in Figure 2, acceleration transducer is made up of vibration acceleration sensor 2 and stationary installation 1.Signal input port joint 4 and signal output port joint 6,7,8 all adopt the aviation port of the effect with waterproof and dustproof, electrostatic prevention, can use smoothly in the down-hole in order to guarantee signal regulating device.The device case 5 of signal regulating device makes device can satisfy service condition under the coal mine by adopting the ABS material housing of handling through waterproof and dustproof, electrostatic prevention.
Be basic design of the present invention as mentioned above.But, in technical field of the present invention, as long as possess the most basic knowledge, can improve other exercisable embodiment of the present invention.In the present invention substantive technical scheme has been proposed the patent protection request, its protection domain should comprise all variation patterns with above-mentioned technical characterstic.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (2)
1. mining vibration acceleration sensor signal regulating device, comprise acceleration transducer and signal regulating device two large divisions, it is characterized in that: acceleration transducer is made up of vibration acceleration sensor (2), stationary installation (1) and mine cable (3) successively; Signal regulating device is made up of signal input port (20), signal conditioning circuit plate (10), supply module (19), device case (5), signal output port (18), wherein, signal regulating panel (10) is made up of sensor excitation circuit (11), isolation circuit (12), filtering circuit (13), one-level integrating circuit (14), amplifying circuit (15), second order product parallel circuit (16), amplifying circuit (17);
The joint (6,7,8) of the joint (4) of described signal input port (20), signal output port (18) and the port of sensor all adopt the aviation port, and the aviation port has the effect of waterproof and dustproof, electrostatic prevention;
Described device case (5) is selected the housing of the ABS material of handling through waterproof and dustproof, electrostatic prevention for use;
Described supply module (19) is made up of battery (21) and battery protection module (22), and wherein battery (21) is for satisfying the Ni-MH battery of applicable elements under the coal mine.
2. the signal regulating device of mining vibration acceleration sensor according to claim 1, it is characterized in that wherein said signal regulating device passes through isolation circuit (12) and filtering circuit (13) back output vibration acceleration signal to the vibration signal of gathering, vibration acceleration signal is converted into rate signal after by one-level integrating circuit (14) and amplifying circuit (15), vibration acceleration signal is converted into displacement signal, vibration acceleration after by second order product parallel circuit (16) and amplifying circuit (17), speed, three kinds of signals of displacement pass through the joint (6) of signal output port (18) respectively, (7), (8) output;
The signal regulating device of described mining vibration acceleration sensor can be that the vibration signal of 2 ~ 10K picks up to frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102952743A CN103344320A (en) | 2013-07-15 | 2013-07-15 | Vibration acceleration sensor signal conditioning device for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102952743A CN103344320A (en) | 2013-07-15 | 2013-07-15 | Vibration acceleration sensor signal conditioning device for mine |
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| CN103344320A true CN103344320A (en) | 2013-10-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443522A (en) * | 2018-12-10 | 2019-03-08 | 江苏华创光电科技有限公司 | A kind of conditioning of vibration signal and data converter |
| CN112197854A (en) * | 2020-09-30 | 2021-01-08 | 北京动力机械研究所 | High-performance piezoelectric vibration sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033101U (en) * | 2010-10-19 | 2011-11-09 | 上海奥波电子有限公司 | Vibration and noise measuring instrument |
| CN103017889A (en) * | 2012-12-10 | 2013-04-03 | 中联重科股份有限公司 | Sensor, method for same and engineering machine containing same |
| CN103175605A (en) * | 2013-03-18 | 2013-06-26 | 中国矿业大学(北京) | Mining portable vibration signal acquisition recording system |
| CN203310850U (en) * | 2013-07-15 | 2013-11-27 | 中国矿业大学(北京) | Signal conditioning device of mining vibration acceleration sensor |
-
2013
- 2013-07-15 CN CN2013102952743A patent/CN103344320A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033101U (en) * | 2010-10-19 | 2011-11-09 | 上海奥波电子有限公司 | Vibration and noise measuring instrument |
| CN103017889A (en) * | 2012-12-10 | 2013-04-03 | 中联重科股份有限公司 | Sensor, method for same and engineering machine containing same |
| CN103175605A (en) * | 2013-03-18 | 2013-06-26 | 中国矿业大学(北京) | Mining portable vibration signal acquisition recording system |
| CN203310850U (en) * | 2013-07-15 | 2013-11-27 | 中国矿业大学(北京) | Signal conditioning device of mining vibration acceleration sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443522A (en) * | 2018-12-10 | 2019-03-08 | 江苏华创光电科技有限公司 | A kind of conditioning of vibration signal and data converter |
| CN112197854A (en) * | 2020-09-30 | 2021-01-08 | 北京动力机械研究所 | High-performance piezoelectric vibration sensor |
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Application publication date: 20131009 |