CN202707491U - Constant pressure variable intelligent air compressor - Google Patents
Constant pressure variable intelligent air compressor Download PDFInfo
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- CN202707491U CN202707491U CN 201220348409 CN201220348409U CN202707491U CN 202707491 U CN202707491 U CN 202707491U CN 201220348409 CN201220348409 CN 201220348409 CN 201220348409 U CN201220348409 U CN 201220348409U CN 202707491 U CN202707491 U CN 202707491U
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- motor
- compressor
- air compressor
- intelligent controller
- pressure variable
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Abstract
The utility model relates to a constant pressure variable intelligent air compressor. The constant pressure variable intelligent air compressor comprises a motor and a main machine of a compressor, the motor is a rare earth permanent magnet synchronous motor, a motor shaft of the rare earth permanent magnet synchronous motor is integrated with a male rotor shaft of a male rotor, the motor shaft is formed by extending the male rotor shaft into a casing of the motor, the air compressor further comprises a frequency changer, an intelligent controller, a pressure transmitter and a temperature sensor, an output end of the intelligent controller is connected with the motor through the frequency changer, the output end of the intelligent controller is connected with the main machine of the compressor through a loading and unloading electromagnetic valve, the pressure transmitter and the temperature sensor are installed on an exhaust port and a compressed air outlet of the main machine of the compressor respectively, and an output end of the pressure transmitter and an output end of the temperature sensor are respectively connected with an input end of the intelligent controller. The constant pressure variable intelligent air compressor has the advantages that the size, weight and consumption of the air compressor can be remarkably reduced, the heating is reduced, the efficiency is improved, the soft start and constant pressure air supply are achieved, the noise is lowered, the energy is saved, and the like.
Description
Technical field
The utility model relates to air compressor, specifically a kind of constant-pressure variable intelligent air compressor that adopts intelligent controller for controlling running state.
Background technique
Traditional compressor adopts Asynchronous Motor Driving usually, and asynchronous motor drives compressor host by belt transmission or gear transmission.The shortcoming of this driving mode is: energy consumption is high, and efficient is low, and the machine shape size is larger.In addition, asynchronous motor adopts the Y-S reduced-voltage starting, and the impact to electrical network impact and whole mechanical system during startup is all larger; Because compressor is fixed as the 50HZ power frequency operation, motor is in high rotating speed operation for a long time, and noise is also just larger, and adds the unloading ratio and exist serious waste electric energy phenomenon when larger.
Summary of the invention
The utility model provides a kind of constant-pressure variable intelligent air compressor for the problems referred to above, and this air compressor volume is little, energy consumption is low, efficient is high, and can realize soft start, impacts little to electrical network.
According to the technical solution of the utility model: a kind of constant-pressure variable intelligent air compressor, comprise motor and compressor host, described compressor host comprises male rotor and the female rotor that cooperatively interacts, described motor is rare-earth permanent-magnet synchronous motor, described rare-earth permanent-magnet synchronous motor comprises stator and rotor, described rotor is fixed on the motor shaft, the male rotor axle of described motor shaft and described male rotor is structure as a whole, and described motor shaft is extended into by described male rotor axle in the housing of described motor and forms; Described air compressor also comprises frequency variator, intelligent controller, pressure transmitter and temperature transducer; The output terminal of described intelligent controller connects described motor by described frequency variator, and connects described compressor host by adding the unloading solenoid valve; Described pressure transmitter and described temperature transducer are installed on respectively relief opening and the compressed air outlet of described compressor host, and the output terminal of described pressure transmitter and the output terminal of described temperature transducer connect respectively the input end of described intelligent controller.
Described compressor host is the integrated type screw host, and its deaerator, air filter, oil strainer, oil-gas separating filter element, air intake control valve, minimum pressure valve and safety valve and described screw host become one.Described stator is divided into many groups and is embedded in the stator seat of described motor, is inlaid with many permanent magnets in the described rotor.Described permanent magnet adopts NdFeB material to make.The kernel of described intelligent controller is a kind of among single-chip microcomputer, ARM, DSP, FPGA or the PLC.Described intelligent controller links to each other with the SMS alarm controller.
Technique effect of the present utility model is: motor of the present utility model adopts rare-earth permanent-magnet synchronous motor, and the male rotor axle of motor shaft and compressor host is structure as a whole, can obviously reduce volume, weight, the loss of air compressor, reduce heating, improve efficient; Air compressor adopts frequency variator and intelligent controller control, can reach soft start, constant pressure air feeding, reduction noise, the effect such as energy-conservation.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Among Fig. 1, Fig. 2, comprise motor 1, stator 2, rotor 3, motor shaft 4, male rotor axle 5, compressor host 6, male rotor 7, female rotor 8, pressure transmitter 9, temperature transducer 10, solenoid valve 11, intelligent controller 12, frequency variator 13 etc.
As shown in Figure 1, the utility model is a kind of constant-pressure variable intelligent air compressor, comprises motor 1, compressor host 6, frequency variator 13, intelligent controller 12, pressure transmitter 9, temperature transducer 10 and solenoid valve 11.The output terminal of intelligent controller 12 connects motor 1 by frequency variator 13, and connects compressor host 6 by adding unloading solenoid valve 11; Pressure transmitter 9 and temperature transducer 10 are installed on respectively relief opening and the compressed air outlet of compressor host 6, and the output terminal of the output terminal of pressure transmitter 9 and temperature transducer 10 connects respectively the input end of intelligent controller 12.
The kernel of intelligent controller 12 is single-chip microcomputer, ARM(Advanced RISC Machine), the DSP(Digital Signal Processing), the FPGA(field programmable gate array) or the PLC(programmable logic controller (PLC)) in a kind of.Intelligent controller 12 integrated frequency-variable controllers realize that with frequency variator 13 single-point is connected, and can directly the parameter configuration of frequency variator 13 be become the parameter of controller 12, need not manually to set the parameter of frequency variator 13 again; Can realize multi-display function: supply gas pressure, operation frequency, delivery temperature, running state, actual power, the current rotating speed of motor, motor current, blower fan electric current, supply voltage etc.; Can realize multi-protective function: electromotor overload, blower fan overload, phase sequence, low-voltage protection, sensor fault, frequency converter failure, high temperature protection, high voltage protective etc.; The PID constant voltage control of conversion system, according to the variation of gas consumption, the delivery pressure all-the-time stable is in specified exhaust pressure.
Intelligent controller 12 can also link to each other with the SMS alarm controller.The SMS alarm controller has fault, early warning to send SMS, when the SMS alarm controller detects fault or prewarning information, can by user's setting, by the note cat, send fault or early warning content to designated mobile phone.The SMS alarm controller is product of the prior art, for example the CWT5000 series SMS DTU SMS alarm controller of the interactive Science and Technology Ltd. of Shenzhen's Yinke production.
As shown in Figure 2, compressor host 6 comprises male rotor 7 and the female rotor 8 that cooperatively interacts.Compressor host 6 is the integrated type screw host, and its deaerator, three filters (air filter, oil strainer, oil-gas separating filter element), three valves (air intake control valve, minimum pressure valve and safety valve) become one with screw host.
Motor 1 is rare-earth permanent-magnet synchronous motor.This rare-earth permanent-magnet synchronous motor comprises stator 2 and rotor 3, and stator 2 is divided into many groups and is embedded in the stator seat of motor 1, is inlaid with the permanent magnet that many NdFeB materials are made in the rotor 3.Rotor 3 is fixed on the motor shaft 4, and motor shaft 4 is structure as a whole with the male rotor axle 5 of compressor host 6 male rotors 7, and motor shaft 4 is extended into by male rotor axle 5 in the housing of motor 1 and forms.
Working procedure of the present utility model is as follows: press the startup control knob, frequency variator 13 drive motors 1 slowly start (soft start), (load time-delay) after time-delay a period of time, the loading solenoid valve 11 that is installed on the air inlet combined control valve gets electric, be positioned at the INO on the screw host, compressor is with 50HZ power frequency load operating, system begins build-up pressure, after operation a period of time, pressure arrives the supply gas pressure that intelligent controller 12 is set, pressure transmitter 9 converts pressure signal to electrical signal, carry out being sent to frequency variator 13 after the PID conversion through intelligent controller 12 inside, the frequency that final output is fit to is come drive motor 1, adjusts the rotating speed of motor 1, reach constant pressure air feeding, realized the adjusting of tolerance.When pressure surpasses the supply gas pressure of setting, frequency variator 13 output frequencies reduce, motor 1 rotating speed reduces, and when pressure was lower than again the supply gas pressure of setting, frequency variator 13 output frequencies raise again, motor 1 rotating speed increases (the highest can not surpass 50HZ), set the dormancy time value when frequency surpassed in lower frequency limit 10HZ working time, intelligent controller 12 can make frequency variator 13 out of service, when pressure is lower than setting pressure again, again drive motor 1 operation of frequency variator 13, compressor starts loads.
The utlity model has following advantage:
1, motor adopts rare-earth permanent-magnet synchronous motor, compares with normal asynchronous, because it need not field winding, reduce significantly volume, weight, loss, reduced heating, improved efficient, energy-saving effect is more obvious, especially when low cruise, its power factor is almost near 1, during underloading, power factor is higher, and the normal asynchronous rotating speed is lower, and power factor is lower, so it has the incomparable synthesis energy saving effect of asynchronous motor.
2, the volume of rare-earth permanent-magnet synchronous motor is 1/3 of normal asynchronous only, and need not to install as common normal asynchronous independently radiation fan, the power loss of having avoided fan to bring in addition.
3, the male rotor axle of the motor shaft of rare-earth permanent-magnet synchronous motor and compressor host is structure as a whole, and transmission efficiency 100% need not motor bearings, avoided the defective of motor bearings wearing and tearing, and there is 2% ~ 3% transmission efficiency loss in normal asynchronous.
4, rare-earth permanent-magnet synchronous motor adopts high sexual function permanent magnet to make, and especially has the NdFeB material of high magnetic flux density, high-coercive force and high energy product, and 120 degree high temperature are loss of excitation not, is 15 years working life.
5, adopt the control of frequency variator and intelligent controller, can reach soft start, constant pressure air feeding, reduction noise, the effect such as energy-conservation, during operation, current of electric can not surpass full load current, also greatly reduced simultaneously the impact to grid equipment, can not cause damage to consumer.
6, under equal operating mode, permanent-magnetic variable frequency screw compressor is than the more power saving about 5% of common inverter screw compressor, than common compressor power saving about 20%.
7, compressor host is adopted as the integrated type screw host, has removed the use of the needed exterior line of general helical-lobe compressor and joint from, has reduced on the one hand resistance and the pressure drop of internal system, so that the thermal efficiency of system is higher; Reduced on the other hand installation cost, and made Compressor Group compact structure, volume little, lightweight, cost is low.
Claims (6)
1. constant-pressure variable intelligent air compressor, comprise motor (1) and compressor host (6), described compressor host (6) comprises male rotor (7) and the female rotor (8) that cooperatively interacts, it is characterized in that: described motor (1) is rare-earth permanent-magnet synchronous motor, described rare-earth permanent-magnet synchronous motor comprises stator (2) and rotor (3), described rotor (3) is fixed on the motor shaft (4), the male rotor axle (5) of described motor shaft (4) and described male rotor (7) is structure as a whole, and described motor shaft (4) is extended into by described male rotor axle (5) in the housing of described motor (1) and forms; Described air compressor also comprises frequency variator (13), intelligent controller (12), pressure transmitter (9) and temperature transducer (10); The output terminal of described intelligent controller (12) connects described motor (1) by described frequency variator (13), and connects described compressor host (6) by adding unloading solenoid valve (11); Described pressure transmitter (9) and described temperature transducer (10) are installed on respectively relief opening and the compressed air outlet of described compressor host (6), and the output terminal of the output terminal of described pressure transmitter (9) and described temperature transducer (10) connects respectively the input end of described intelligent controller (12).
2. according to constant-pressure variable intelligent air compressor claimed in claim 1, it is characterized in that: described compressor host (6) is the integrated type screw host, and its deaerator, air filter, oil strainer, oil-gas separating filter element, air intake control valve, minimum pressure valve and safety valve and described screw host become one.
3. according to constant-pressure variable intelligent air compressor claimed in claim 1, it is characterized in that: described stator (2) is divided into many groups and is embedded in the stator seat of described motor (1), and described rotor is inlaid with many permanent magnets in (3).
4. according to constant-pressure variable intelligent air compressor claimed in claim 3, it is characterized in that: described permanent magnet adopts NdFeB material to make.
5. according to constant-pressure variable intelligent air compressor claimed in claim 1, it is characterized in that: the kernel of described intelligent controller (12) is a kind of among single-chip microcomputer, ARM, DSP, FPGA or the PLC.
6. according to constant-pressure variable intelligent air compressor claimed in claim 1, it is characterized in that: described intelligent controller (12) links to each other with the SMS alarm controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348409 CN202707491U (en) | 2012-07-18 | 2012-07-18 | Constant pressure variable intelligent air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348409 CN202707491U (en) | 2012-07-18 | 2012-07-18 | Constant pressure variable intelligent air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN202707491U true CN202707491U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220348409 Expired - Fee Related CN202707491U (en) | 2012-07-18 | 2012-07-18 | Constant pressure variable intelligent air compressor |
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| CN (1) | CN202707491U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748292A (en) * | 2012-07-18 | 2012-10-24 | 无锡五洋赛德压缩机有限公司 | Constant-pressure variable intelligent air compressor |
| CN104141604A (en) * | 2014-06-30 | 2014-11-12 | 深圳市英威腾电气股份有限公司 | Frequency converter special for air compressor and air compressor variable-frequency drive control system |
| CN105386978A (en) * | 2015-11-30 | 2016-03-09 | 珠海格力电器股份有限公司 | Exhausting bearing seat connecting structure for compressor and screw compressor |
| CN111794932A (en) * | 2020-06-17 | 2020-10-20 | 嘉兴骏达智能科技有限公司 | Direct-drive metering pump |
-
2012
- 2012-07-18 CN CN 201220348409 patent/CN202707491U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748292A (en) * | 2012-07-18 | 2012-10-24 | 无锡五洋赛德压缩机有限公司 | Constant-pressure variable intelligent air compressor |
| CN102748292B (en) * | 2012-07-18 | 2015-07-01 | 无锡五洋赛德压缩机有限公司 | Constant-pressure variable intelligent air compressor |
| CN104141604A (en) * | 2014-06-30 | 2014-11-12 | 深圳市英威腾电气股份有限公司 | Frequency converter special for air compressor and air compressor variable-frequency drive control system |
| CN105386978A (en) * | 2015-11-30 | 2016-03-09 | 珠海格力电器股份有限公司 | Exhausting bearing seat connecting structure for compressor and screw compressor |
| US10519955B2 (en) | 2015-11-30 | 2019-12-31 | Gree Electric Appliances, Inc. Of Zhuhai | Connection structure of exhaust bearing seat for compressor and screw compressor |
| CN111794932A (en) * | 2020-06-17 | 2020-10-20 | 嘉兴骏达智能科技有限公司 | Direct-drive metering pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160718 |