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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
energy
air compressor
capturing
oscillator
piezoelectric energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710300444.0A
Other languages
Chinese (zh)
Other versions
CN106949043B (en
Inventor
张强
张赫哲
张东玥
刘永凤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Technical University
Original Assignee
Liaoning Technical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liaoning Technical University filed Critical Liaoning Technical University
Priority to CN201710300444.0A priority Critical patent/CN106949043B/en
Publication of CN106949043A publication Critical patent/CN106949043A/en
Application granted granted Critical
Publication of CN106949043B publication Critical patent/CN106949043B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters
    • H02N2/188Vibration 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

A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy
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.
CN201710300444.0A 2017-05-02 2017-05-02 A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy Active CN106949043B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710300444.0A CN106949043B (en) 2017-05-02 2017-05-02 A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710300444.0A CN106949043B (en) 2017-05-02 2017-05-02 A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy

Publications (2)

Publication Number Publication Date
CN106949043A true CN106949043A (en) 2017-07-14
CN106949043B CN106949043B (en) 2018-11-02

Family

ID=59479330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710300444.0A Active CN106949043B (en) 2017-05-02 2017-05-02 A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy

Country Status (1)

Country Link
CN (1) CN106949043B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103616070A (en) * 2013-11-22 2014-03-05 国家电网公司 Vibration detection device applied to air compressor room

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103616070A (en) * 2013-11-22 2014-03-05 国家电网公司 Vibration detection device applied to air compressor room

Cited By (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN106949043B (en) 2018-11-02

Similar Documents

Publication Publication Date Title
CN106949043B (en) A kind of air compressor machine condition detecting system of collecting mechanical vibrational energy
CN104836478B (en) A kind of piezoelectricity electromagnetism combined type broad band low frequency energy accumulator
CN102527200B (en) System and method for realizing gas dehumidification and purification
CN102684552B (en) Multiple-vibrator series-connection piezoelectric energy harvester
CN105932907A (en) Vortex-excitation piezoelectric energy harvester for monitoring wind power gear box
CN107154751A (en) A kind of frequency-adjustable piezoelectricity oscillating generating set
CN112414542B (en) Vibration sensor based on multi-power management system
CN108649837A (en) A kind of piezoelectric energy-storage device for oil well detection device
CN102147283B (en) Embedded self-energy supply wireless monitoring device of rotor equipment
CN106100444B (en) A kind of piezo fluid generator
CN102163044A (en) Variable-frequency controller of air compressor-refrigeration drier system
WO2016058373A1 (en) Energy supply method and device for monitoring wireless sensor node of roller
CN203030128U (en) Elastic vibration bag-type dust remover
CN101806645A (en) Self electricity generation wireless pulling force sensor
CN101333919A (en) Energy-saving oil pumping machine
CN204179967U (en) A kind of variable-air-gap formula magnetostriction vibrational energy collector
CN201320494Y (en) Electrostatic dedusting controller networked by Ethernet and RS485
CN105090003A (en) Air compressor efficacy instrument and efficacy calculating method thereof
CN107885158B (en) Electrical control device of magnetic suspension high-speed centrifugal blower
CN108043718A (en) A kind of vibration screen body yaw is from suppression system and its application method
CN104184365B (en) Variable-air-gap formula magnetostriction vibrational energy collector and method thereof
CN209072325U (en) A kind of damping type pedestal suitable for frequency converter
CN208174339U (en) A kind of transmission line of electricity video monitoring power supply unit based on piezoelectricity new energy
CN203453035U (en) Air compressor electrical ratio monitoring device
CN202486120U (en) Gas balance device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant