CN106949043A - A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy - Google Patents
A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy Download PDFInfo
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- CN106949043A CN106949043A CN201710300444.0A CN201710300444A CN106949043A CN 106949043 A CN106949043 A CN 106949043A CN 201710300444 A CN201710300444 A CN 201710300444A CN 106949043 A CN106949043 A CN 106949043A
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- energy
- air compressor
- capturing
- oscillator
- piezoelectric energy
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- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 10
- 239000011120 plywood Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000010358 mechanical oscillation Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
- H02N2/188—Vibration harvesters adapted for resonant operation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention proposes a kind of air compressor machine condition detecting system of collecting mechanical vibrational energy, including:Piezoelectric energy-capturing electric supply installation, rectification energy-storage module and monitoring sensing module;Piezoelectric energy-capturing electric supply installation includes:Support meanss, comprehensive oscillator fixture, piezoelectric energy-capturing oscillator and intrinsic frequency adjusting means;Rectification energy-storage module includes:Bridge rectifier, filter capacitor, battery;Monitoring sensing module includes:Temperature sensor, flow sensor, pressure sensor, current sensor;The present invention does not need substantial amounts of wiring, and is easily installed, and has saved financial resources and material resources;Battery need not be changed, the monitoring efficiency of air compressor machine is improved;As long as mechanical oscillation exist always in equipment working environment, it is possible to be continuously monitoring system energy supply, the air compressor machine for needing to monitor can be applicable for a long time;Reduce because using chemical cell pollution on the environment;It is simple in construction, it is easy to processing and fabricating and realize minimizing in structure, it is integrated, be suitable for application in all kinds of machineries.
Description
Technical field
The invention belongs to air compressor machine remote control technology field, and in particular to a kind of air compressor machine of collecting mechanical vibrational energy
Condition detecting system.
Background technology
Air compressor is important power-equipment in coal production, the substantial amounts of implement in underground such as pneumatic pick and air drill
Deng by air compressor machine offer power.Meanwhile, mine compressed air self-help system is one of coal mine downhole safety hedging " six big systems ",
Therefore the operation that can air compressor machine safe, steady in a long-term, the life peace of work production and underground work personnel to whole colliery
All play vital influence.But power consumption is very big during air compressor machine capacity operation, 80% or so warp of its input energy sources
Translate into that heat energy is invalid to be discharged by vibration heating, substantial amounts of economic consumption can be caused.On the other hand, go out in air compressor system
During existing failure, it is impossible to realize investigation timely to failure and be accurately positioned, can also delay most appropriate maintenance opportunity, have impact on pneumatics
The service life of machine system, this has resulted in unnecessary economic loss.Therefore, the vibrational energy of air compressor machine is collected and for pneumatics
It is a feasible and significant scheme that machine condition detecting system, which is powered,.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of air compressor machine state-detection system of collecting mechanical vibrational energy
System.
A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy, it is characterised in that including:Piezoelectric energy-capturing is powered
Device, rectification energy-storage module and monitoring sensing module;
The piezoelectric energy-capturing electric supply installation, including:Support meanss, comprehensive oscillator fixture, piezoelectric energy-capturing oscillator and intrinsic
Frequency regulation arrangement;
The rectification energy-storage module, including:Bridge rectifier, filter capacitor, battery;
The monitoring sensing module, including:Temperature sensor, flow sensor, pressure sensor, current sensor;
The lower end of the support meanss is threadingly attached to above air compressor motor casing, the comprehensive oscillator
Fixture is threadingly attached to the upper end of support meanss, and the piezoelectric energy-capturing oscillator and intrinsic frequency adjusting means have multiple,
One end of the multiple piezoelectric energy-capturing oscillator is connected by screw thread with comprehensive oscillator fixture, each intrinsic frequency adjusting means
It is fixed on the other end of each piezoelectric energy-capturing oscillator;
Each piezoelectric energy-capturing oscillator surface extraction electrode connects one end of bridge rectifier, the bridge-type by wire
One end of the other end connection filter capacitor of rectification circuit, the input of current sensor, the input of battery, the filtering
Electric capacity is parallel between bridge rectifier and current sensor, and the output end of the current sensor connects the input of battery
End, the output end of the battery connects the input, the input of pressure sensor and flow sensor of temperature sensor
Input, the temperature sensor is installed on air compressor main machine jet lower end, and the pressure sensor is installed on air
Compressor minimum pressure valve is on the pipeline between exhaust end, and the flow sensor is installed on air compressor bellows chamber outlet
Road or drying machine rear.
The piezoelectric energy-capturing oscillator includes top plate, lower plywood and middle laminar substrate;The top plate, lower plywood and middle level base
Plate is fixed by gluing;
The top plate and lower plywood are piezoceramic material;The middle laminar substrate is metallic plate.
The metallic plate is copper metallic plate.
Beneficial effects of the present invention:
The present invention proposes a kind of air compressor machine condition detecting system of collecting mechanical vibrational energy, and the present invention is according to resonance principle
With piezoelectric energy-capturing principle, the vibration produced using air compressor motor makes piezoelectric vibrator carry out forced vibration as exciting source, so that
Piezoelectric vibrator is set to generate electricity.Realize self-powered, the sensor of no consumption is powered.When air compressor machine is worked with rated operating power,
Now vibration frequency is identical with piezoelectric vibrator intrinsic frequency, forms resonance, makes electric supply installation output current maximum, and in other work(
When rate works (overclocking or failure), vibration frequency is different from piezoelectric vibrator intrinsic frequency, and piezoelectric vibrator can not form resonance.So as to
Make electric supply installation output current smaller.Current sensor is sized so that outside knowing easily and effectively by differentiate electric current thereon
Now which kind of working condition electric supply installation is in.This monitoring system major advantage is as follows:(1) substantial amounts of wiring is not needed, and
It is easily installed, has saved financial resources and material resources;(2) battery need not be changed, the monitoring efficiency of air compressor machine is improved;(3) as long as setting
Mechanical oscillation exist always in standby working environment, it is possible to be continuously monitoring system energy supply, can be applicable for a long time needs what is monitored
Air compressor machine;(4) reduce because using chemical cell pollution on the environment;(5) it is simple in construction, it is easy to processing and fabricating and realization
It is minimizing in structure, integrated, it is suitable for application in all kinds of machineries.
Brief description of the drawings
Fig. 1 is L-type air compressor structure schematic diagram in the specific embodiment of the invention;
Wherein, 1- belt pulleys, 2- bent axles, 3- connecting rods, 4- crossheads, 5- piston rods, 6- fuselages, 7- bases, 8- pistons, 9-
Cylinder, 10- stuffing boxes, 11- unloaders, 12- blast strainers, 13- inlet valves, 14- air bleeding valves, 15- intercoolers, 16- safety
Valve, 17- water inlet pipes, 18- outlet pipes, 19- bellows chambers, 20- pressure regulators, 21- off-load device assemblies, 22- air compressor motors,
23- piezoelectric energy-capturing electric supply installations;
Fig. 2 is the overall knot of the air compressor machine condition detecting system of collecting mechanical vibrational energy in the specific embodiment of the invention
Structure schematic diagram;
Wherein, 22- air compressor motors, 23- piezoelectric energy-capturing electric supply installations, 28- bridge rectifiers, 29- filtered electricals
Hold, 30- batteries, 31- temperature sensors, 32- flow sensors, 33- pressure sensors, 34- current sensors;
Fig. 3 is the structural representation of the piezoelectric energy-capturing electric supply installation of air compressor in the specific embodiment of the invention;
Wherein, 24- support meanss, the comprehensive oscillator fixtures of 25-, 27- intrinsic frequency adjusting meanss, 28- bridge rectifiers electricity
Laminar substrate in road, 29- filter capacitors, 30- batteries, 35- monitoring sensing modules, 36- top plates, 37- lower plywoods, 38-.
Embodiment
The specific embodiment of the invention is described in detail below in conjunction with the accompanying drawings.
In present embodiment, L-type air compressor is as shown in Figure 1.
A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy, as shown in Fig. 2 including:Piezoelectric energy-capturing is powered
Device 23, rectification energy-storage module and monitoring sensing module.
The piezoelectric energy-capturing electric supply installation 23, including:Support meanss 24, comprehensive oscillator fixture 25, piezoelectric energy-capturing oscillator
26 and intrinsic frequency adjusting means 27.
In present embodiment, support meanss 24 are support bar, and intrinsic frequency adjusting means 27 is that intrinsic frequency adjusts quality
Block.
The rectification energy-storage module, including:Bridge rectifier 28, filter capacitor 29, battery 30.
The monitoring sensing module 35, including:Temperature sensor 31, flow sensor 32, pressure sensor 33, electric current are passed
Sensor 34.
In present embodiment, as shown in figure 3, the lower end of the support meanss 24 is threadingly attached to air compressor electric
Above box body, the comprehensive oscillator fixture 25 is threadingly attached to the upper end of support meanss 24, and the piezoelectric energy-capturing shakes
Son 26 and intrinsic frequency adjusting means 27 have 4, and one end of 4 piezoelectric energy-capturing oscillators 26 is shaken by screw thread with comprehensive
Sub-folder tool 25 is connected, and 4 intrinsic frequencies regulation mass gluing is fixed on the another of 4 piezoelectric energy-capturing oscillators 26 of correspondence
End.
In present embodiment, each surface extraction electrode of piezoelectric energy-capturing oscillator 26 connects bridge rectifier by wire
28 one end, other end connection one end of filter capacitor 29 of the bridge rectifier 28, the input of current sensor 34,
The input of battery 30, the filter capacitor 29 is parallel between bridge rectifier 28 and the device of current sense 34, the electricity
The output end of flow sensor 34 connects the input of battery 30, the output end connection temperature sensor 31 of the battery 30
The input of input, the input of pressure sensor 33 and flow sensor 32, the temperature sensor 31 is installed on air
Compressor host jet lower end, the pressure sensor 33 is installed on air compressor minimum pressure valve between exhaust end
On pipeline, the flow sensor 32 is installed on air compressor bellows chamber outlet conduit or drying machine rear.
The piezoelectric energy-capturing oscillator 26 includes top plate 36, lower plywood 37 and middle laminar substrate 38.The top plate 36, lower floor
Plate 37 and middle laminar substrate 38 are fixed by gluing.
The top plate 36 and lower plywood 37 are piezoceramic material.The middle laminar substrate 38 is copper metallic plate.
The course of work of the air compressor machine condition detecting system of above-mentioned collecting mechanical vibrational energy is as described below:
Under air compressor normal operating conditions, the vibration that air compressor main machine is produced makes piezoelectric energy-capturing for exciting source
Oscillator 26 carries out forced vibration, and the intrinsic frequency of piezoelectric energy-capturing oscillator 26 is by the regulation of its intrinsic frequency adjusting means 27,
Driving frequency during through with air compressor normal work is close, can also be adjusted to any specific working frequency such as overclocking,
Low frequency etc., so that the formation resonance effects of piezoelectric energy-capturing oscillator 26, makes its violent oscillatory motion deformation.On piezoelectric energy-capturing oscillator 26
Piezoceramic material constantly converts kinetic energy into electric energy in deformation process by direct piezoelectric effect, due to depositing for resonance effects
, now piezoelectric energy-capturing oscillator 26 output electric energy be maximum.For overcome piezoceramic material excessively crisp easy fracture the characteristics of, simultaneously
Improve sensitivity to export with electric energy, piezoelectric energy-capturing is complex as using copper metal substrate combination Dual-layer piezoceramic material and shaken
Son 26.Then electrode connection conducting wire is picked out by the surface of piezoelectric energy-capturing oscillator 26, due to the output current of piezoelectric energy-capturing oscillator 26
For unstable alternating current, it is impossible to powered for sensor stabilization.Conducting wire other end is connected to bridge rectifier 28, will
AC rectification is through the filtering process of filter capacitor 29, stable DC electricity to be supplied into each sensor, wherein also by portion after direct current
Divide conversion power storage in battery 30 so as in air compressor motor failure, it is impossible to when providing enough mechanical energy, to pass
Sensor is powered.In addition, the present invention is greatly promoted using multi-direction parallel piezoelectric oscillator arrangement and two-sided piezoelectric ceramic composite oscillator
The generating capacity of power supply module.And when by dynamic excitation, piezoelectric vibrator can be produced using the inertia of itself
Vibration continues, and not by artificially participating in that the conversion between mechanical energy and electric energy just can be realized, reaches automation and stable effect.
Claims (3)
1. a kind of air compressor machine condition detecting system of collecting mechanical vibrational energy, it is characterised in that including:Piezoelectric energy-capturing is powered dress
Put, rectification energy-storage module and monitoring sensing module;
The piezoelectric energy-capturing electric supply installation, including:Support meanss, comprehensive oscillator fixture, piezoelectric energy-capturing oscillator and intrinsic frequency
Adjusting means;
The rectification energy-storage module, including:Bridge rectifier, filter capacitor, battery;
The monitoring sensing module, including:Temperature sensor, flow sensor, pressure sensor, current sensor;
The lower end of the support meanss is threadingly attached to above air compressor motor casing, the comprehensive oscillator fixture
The upper end of support meanss is threadingly attached to, the piezoelectric energy-capturing oscillator and intrinsic frequency adjusting means have multiple, described
One end of multiple piezoelectric energy-capturing oscillators is connected by screw thread with comprehensive oscillator fixture, and each intrinsic frequency adjusting means is fixed
In the other end of each piezoelectric energy-capturing oscillator;
Each piezoelectric energy-capturing oscillator surface extraction electrode connects one end of bridge rectifier, the bridge rectifier by wire
One end of the other end connection filter capacitor of circuit, the input of current sensor, the input of battery, the filter capacitor
It is parallel between bridge rectifier and current sensor, the output end of the current sensor connects the input of battery,
The input of the output end connection temperature sensor of the battery, the input of the input and flow sensor of pressure sensor
End, the temperature sensor is installed on air compressor main machine jet lower end, and the pressure sensor is installed on air compression
Machine minimum pressure valve on the pipeline between exhaust end, the flow sensor be installed on air compressor bellows chamber outlet conduit or
Drying machine rear.
2. the air compressor machine condition detecting system of collecting mechanical vibrational energy according to claim 1, it is characterised in that described
Piezoelectric energy-capturing oscillator includes top plate, lower plywood and middle laminar substrate;The top plate, lower plywood and middle laminar substrate are solid by gluing
It is fixed;
The top plate and lower plywood are piezoceramic material;The middle laminar substrate is metallic plate.
3. the air compressor machine condition detecting system of collecting mechanical vibrational energy according to claim 2, it is characterised in that described
Metallic plate is copper metallic plate.
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CN201710300444.0A CN106949043B (en) | 2017-05-02 | 2017-05-02 | A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy |
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CN201710300444.0A CN106949043B (en) | 2017-05-02 | 2017-05-02 | A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy |
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CN106949043B CN106949043B (en) | 2018-11-02 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110333445A (en) * | 2019-07-25 | 2019-10-15 | 山东科技大学 | A kind of plane multifrequency pick-up prisoner can experimental provision and its application method |
CN110518834A (en) * | 2019-10-08 | 2019-11-29 | 山东科技大学 | A kind of sensor power supply unit of capture magneto vibration |
CN117588385A (en) * | 2023-11-21 | 2024-02-23 | 中国人民解放军海军工程大学 | Intelligent air valve of air compressor based on energy collection |
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CN201918785U (en) * | 2011-01-19 | 2011-08-03 | 重庆交通大学 | Intelligent power supply system using bridge vibration |
KR101228958B1 (en) * | 2011-07-06 | 2013-02-01 | 유재인 | Power generation apparatus using piezoelectric element |
CN202906786U (en) * | 2012-11-26 | 2013-04-24 | 西安康弘新材料科技有限公司 | Piezoelectric vibration power generation system |
CN103616070A (en) * | 2013-11-22 | 2014-03-05 | 国家电网公司 | Vibration detection device applied to air compressor room |
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2017
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Patent Citations (5)
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CN2906135Y (en) * | 2006-05-02 | 2007-05-30 | 孙树彬 | Vehicle-carried displacement air compressor detector |
CN201918785U (en) * | 2011-01-19 | 2011-08-03 | 重庆交通大学 | Intelligent power supply system using bridge vibration |
KR101228958B1 (en) * | 2011-07-06 | 2013-02-01 | 유재인 | Power generation apparatus using piezoelectric element |
CN202906786U (en) * | 2012-11-26 | 2013-04-24 | 西安康弘新材料科技有限公司 | Piezoelectric vibration power generation system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110333445A (en) * | 2019-07-25 | 2019-10-15 | 山东科技大学 | A kind of plane multifrequency pick-up prisoner can experimental provision and its application method |
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CN117588385A (en) * | 2023-11-21 | 2024-02-23 | 中国人民解放军海军工程大学 | Intelligent air valve of air compressor based on energy collection |
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