CN102278310A - Intelligently-regulated vacuum system - Google Patents

Intelligently-regulated vacuum system Download PDF

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Publication number
CN102278310A
CN102278310A CN2011101998045A CN201110199804A CN102278310A CN 102278310 A CN102278310 A CN 102278310A CN 2011101998045 A CN2011101998045 A CN 2011101998045A CN 201110199804 A CN201110199804 A CN 201110199804A CN 102278310 A CN102278310 A CN 102278310A
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CN
China
Prior art keywords
rotor
vacuum
pump
pump housing
controller
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.)
Pending
Application number
CN2011101998045A
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Chinese (zh)
Inventor
孔繁存
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.)
WENZHOU OUFUSI MACHINERY CO LTD
Original Assignee
WENZHOU OUFUSI MACHINERY CO LTD
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 WENZHOU OUFUSI MACHINERY CO LTD filed Critical WENZHOU OUFUSI MACHINERY CO LTD
Priority to CN2011101998045A priority Critical patent/CN102278310A/en
Publication of CN102278310A publication Critical patent/CN102278310A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an intelligently-regulated vacuum system. In the vacuum system, a vacuum pump is connected with a motor by a transmission component; an air inlet pipe and an exhaust pipe are connected to the vacuum pump; a pressure sensor is connected to the air inlet pipe and is electrically connected with a controller; the controller is connected with a frequency converter, the frequency converter is electrically connected with a motor; and after detecting the pressure in the air inlet pipe, the pressure sensor transmits the pressure to the controller according to the size of the pressure, and simultaneously, the controller controls the frequency of the frequency converter, and the frequency converter controls the rotate speed of the motor. The intelligently-regulated vacuum system has the advantages of no oil consumption, low noise, no pollution, high efficiency, energy conservation, environment friendliness, low fault rate and convenience for maintenance. The intelligently-regulated vacuum system is mainly used for a milking parlour system; compared with the ordinary milking parlour, the intelligently-regulated vacuum system can save more electric quantity, so vacuum pump oil can be saved, the cost is saved, and milking vacuum is isolated from cleaning vacuum to realize the circular cleaning of solution; and thus, a milk pipeline is cleaned cleanly and sanitarily, and the work environment of personnel is improved greatly.

Description

Intelligence is regulated vacuum system
Technical field
The present invention relates to rough vacuum systems technology field, particularly the environmental protection oil-free vacuum pump.
Background technique
Vacuum pump power equipment in the existing vacuum system all is to use rated power to produce vacuum, when the air displacement that is evacuated system changes, can not keep specific vacuum pressure, vacuum pressure is too high or too low, cause vacuum system to lose efficacy, influence is produced, and reject rate improves, increase cost, waste raw material and increase energy consumption.
Summary of the invention
The present invention seeks to invent a kind of intelligence and regulate vacuum system,, realize no oil consumption, low noise, pollution-free to overcome existing defective.
To achieve these goals, technological scheme of the present invention is: intelligence is regulated vacuum system, vacuum pump links to each other by transmission part with motor, be connected with suction tude and outlet pipe on the vacuum pump, be connected with pressure transducer on the suction tude, pressure transducer is electrically connected with controller, and controller links to each other with frequency variator, and frequency variator is electrically connected with motor simultaneously; Pressure transducer is given controller with pressure transmission after detecting the interior pressure of suction tude, simultaneously, and the frequency of controller control frequency variator, Frequency Converter Control rotating speed of motor; Behind the pressure in pressure transducer detects suction tude, and give controller pressure transmission, controller is controlled the frequency of frequency variator according to the height of pressure, the frequency that variable-frequency motor sends according to frequency variator is adjusted the rotating speed of self, change the rate of air sucked in required of self, realize vacuum pressure in the vacuum system can be constant on designated value and remain unchanged.
Furtherly, described vacuum pump relief opening links to each other with baffler;
Furtherly, described vacuum pump comprises compositions such as the pump housing, front side cap, rear side cover, fuel tank, active figure of eight rotor, driven figure of eight rotor, gear; Pump housing bi-side have suction port, relief opening, the figure of eight two lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, power rotor is contained in pump housing lower space, the shaft centre line of two rotors is parallel-laid into vertical straight line, two rotor reverse sync rotations in pump chamber, promptly there is certain clearance in not friction and the rotor pump housing friction of also getting along well between the rotor between rotor and the rotor and between rotor and the pump housing inwall during work.
Furtherly, described active figure of eight rotor exterior arc surface and driven figure of eight rotor exterior arc surface are in tangent state all the time.
Described vacuum pump comprises the pump housing, side cover first, side cover second, end cap, initiatively three lobe rotor, driven three lobe rotor, gear are formed; Pump housing upper and lower surface has suction port, relief opening, the three lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, the shaft centre line of two rotors is parallel-laid into vertical straight line, there is certain clearance in two rotor reverse sync rotations in pump chamber between rotor and the rotor and between rotor and the pump housing inwall during work.
Described active three lobe rotor exterior arc surface and driven three lobe rotor exterior arc surface are in tangent state all the time.
Beneficial effect of the present invention: no oil consumption, low noise, pollution-free, high-efficient energy-saving environment friendly, rate of fault are low, and maintenance is convenient.The present invention is mainly used in the milking parlour system, and power consumption is effectively saved pumping fluid than common milking parlour power saving, save money, milking vacuum and cleaning vacuum insulation are to realize limpid the washing of better solution circulation, it is much cleaner that the milk conduit cleaning is more cleaned, and personnel's working environment must be improved greatly.
Description of drawings
Fig. 1, be embodiments of the invention 1 system control schematic representation;
Fig. 2, be the pump housing schematic internal view of the embodiment of the invention 1 vacuum pump;
Fig. 3-1, be the structural drawing of the embodiment of the invention 1 vacuum pump;
The side view of Fig. 3-2, Fig. 3-1;
The work that Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4, Fig. 4-5 are respectively the embodiment of the invention 1 vacuum pump changes schematic diagram;
Fig. 5, be the pump housing schematic internal view of the embodiment of the invention 2 vacuum pumps;
Fig. 6-1, be the structural drawing of the embodiment of the invention 2 vacuum pumps;
The side view of Fig. 6-2, Fig. 6-1;
The work that Fig. 7-1, Fig. 7-2, Fig. 7-3, Fig. 7-4, Fig. 7-5, Fig. 7-6, Fig. 7-7 are respectively the embodiment of the invention 2 vacuum pumps changes schematic diagram.
Embodiment
Embodiment 1: intelligence is regulated vacuum system, vacuum pump links to each other by transmission part with variable-frequency motor, suction port on the vacuum pump links to each other with system container by pipeline, pressure transducer is housed on the air inlet pipeline, pressure transducer is electrically connected with controller, controller links to each other with frequency variator, frequency variator is electrically connected with motor simultaneously, behind the pressure in pressure transducer detects suction tude, and give controller pressure transmission, controller is controlled the frequency of frequency variator according to the height of pressure, the frequency that variable-frequency motor sends according to frequency variator is adjusted the rotating speed of self, change the rate of air sucked in required of self, realize vacuum pressure in the vacuum system can be constant on designated value and remain unchanged.System of the present invention control signal is as Fig. 1.
Described vacuum pump mainly comprises the pump housing, front side cap, rear side cover, end cap, initiatively major parts such as figure of eight rotor, driven figure of eight rotor, gear, bearing gland, bearing are formed.See the pump structure schematic representation in detail.Pump housing bi-side have suction port, relief opening, the figure of eight two lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, power rotor is contained in pump housing lower space, the shaft centre line of two rotors is parallel-laid into vertical straight line, two rotor reverse sync rotations in pump chamber, promptly there is certain clearance in not friction and the rotor pump housing friction of also getting along well between the rotor between rotor and the rotor and between rotor and the pump housing inwall during work.
Described active figure of eight rotor exterior arc surface and driven figure of eight rotor exterior arc surface are in tangent state all the time.
Described vacuum pump relief opening links to each other with baffler.
Inner other working medium of no wet goods of the described vacuum pump pump housing.Compared with prior art, advantage of the present invention and beneficial effect: no oil consumption, low noise, pollution-free, high-efficient energy-saving environment friendly, rate of fault are low, and maintenance is convenient.The present invention is mainly used in the milking parlour system, and power consumption is effectively saved pumping fluid than common milking parlour power saving, save money, milking vacuum and cleaning vacuum insulation are to realize limpid the washing of better solution circulation, it is much cleaner that the milk conduit cleaning is more cleaned, and personnel's working environment must be improved greatly.
In conjunction with Fig. 1, regulate system's system schematic representation of vacuum system for the present invention's intelligence, the vacuum pump that described intelligence is regulated vacuum system links to each other by transmission part with variable-frequency motor, suction port on the vacuum pump links to each other with system container by pipeline, pressure transducer is housed on the air inlet pipeline, pressure transducer is electrically connected with controller, controller links to each other with frequency variator, frequency variator is electrically connected with motor simultaneously, behind the pressure in pressure transducer detects suction tude, and give controller pressure transmission, controller is controlled the frequency of frequency variator according to the height of pressure, the frequency that variable-frequency motor sends according to frequency variator is adjusted the rotating speed of self, changes the rate of air sucked in required of self, realize vacuum pressure in the vacuum system can be constant on designated value and remain unchanged.Described vacuum pump relief opening links to each other with baffler.
In conjunction with Fig. 2, Fig. 3-1, Fig. 3-2, for the present invention's intelligence is regulated vacuum system vacuum pump structure schematic representation, described vacuum pump comprises the pump housing 1, front side cap 2, rear side cover 3, end cap 4, initiatively major parts such as figure of eight rotor 9, driven figure of eight rotor 10, gear 7, bearing gland (5,6), bearing are formed.Pump housing bi-side have suction port, relief opening, the figure of eight two lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, power rotor is contained in pump housing lower space, the shaft centre line of two rotors is parallel-laid into vertical straight line, two rotor reverse sync rotations in pump chamber, not friction and the rotor pump housing friction of also getting along well between the rotor, be to reach between rotor and the pump housing inwall between rotor and the rotor to have certain clearance, described active figure of eight rotor exterior arc surface and driven figure of eight rotor exterior arc surface are in tangent state all the time.Also comprise rolling bearing 11 and deep groove ball bearing 12 in addition.
In the actual implementation process of patent, when the vacuum pump work, at the axle head of power rotor sprocket wheel or belt pulley 8 are housed, be connected with motor by chain or belt, by the rotation of motor driving power rotor, and power rotor is made the synchronous backward high speed rotating by external gear pump drive driven rotor.See the working principle schematic representation (4-1 to Fig. 4-5) of described vacuum pump.
Figure cathetus arrow is represented airflow direction, curved arrow is represented the sense of rotation of rotor, when pump turns round, the gas of being taken out in the container enters the space that is surrounded by two rotors and the pump housing, meanwhile, the gas that advances into earlier, be trapped among SPACE V 0 (Fig. 4-1 by a rotor and the pump housing, Fig. 4-3, diagonal line hatches part among Fig. 4-5), the gas in the V0 only is surrounded, and is not compressed or expands, when rotation along with rotor, when rotor top arrives the relief opening edge, because the effect of pressure reduction, the gas at pump exhaust inlet place will diffuse to SPACE V 0, pressure in the V0 space is elevated to exhaust pressure, along with the further rotation of rotor, the mixed gas in the SPACE V 0 will be sent to relief opening and discharge, like this along with the running continuously of rotor, more gas will be sent to relief opening and discharge, and finally reach the purpose that pump is bled.
Embodiment 2:
Intelligence is regulated vacuum system, vacuum pump links to each other by transmission part with variable-frequency motor, suction port on the vacuum pump links to each other with system container by pipeline, pressure transducer is housed on the air inlet pipeline, pressure transducer is electrically connected with controller, controller links to each other with frequency variator, frequency variator is electrically connected with motor simultaneously, behind the pressure in pressure transducer detects suction tude, and give controller pressure transmission, and controller is controlled the frequency of frequency variator according to the height of pressure, and the frequency that variable-frequency motor sends according to frequency variator is adjusted the rotating speed of self, change the rate of air sucked in required of self, realize vacuum pressure in the vacuum system can be constant on designated value and remain unchanged.System of the present invention control signal is as Fig. 1.
Described vacuum pump mainly comprises the pump housing, side cover first, side cover second, end cap, initiatively major parts such as three lobe rotor, driven three lobe rotor, gear, bearing gland, bearing are formed.See the pump structure schematic representation in detail.Pump housing upper and lower surface has suction port, relief opening, the three lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, the shaft centre line of two rotors is parallel-laid into vertical straight line, two rotor reverse sync rotations in pump chamber, promptly there is certain clearance in not friction and the rotor pump housing friction of also getting along well between the rotor between rotor and the rotor and between rotor and the pump housing inwall during work.
Described active three lobe rotor exterior arc surface and driven three lobe rotor exterior arc surface are in tangent state all the time.
Described vacuum pump relief opening links to each other with baffler.
Inner other working medium of no wet goods of the described vacuum pump pump housing.
Compared with prior art, advantage of the present invention and beneficial effect: no oil consumption, low noise, pollution-free, high-efficient energy-saving environment friendly, rate of fault are low, and maintenance is convenient.The present invention is mainly used in the milking parlour system, and power consumption is effectively saved pumping fluid than common milking parlour power saving, save money, milking vacuum and cleaning vacuum insulation are to realize limpid the washing of better solution circulation, it is much cleaner that the milk conduit cleaning is more cleaned, and personnel's working environment must be improved greatly.
In conjunction with Fig. 1, regulate system's system schematic representation of vacuum system for the present invention's intelligence, the vacuum pump that described intelligence is regulated vacuum system links to each other by transmission part with variable-frequency motor, suction port on the vacuum pump links to each other with system container by pipeline, pressure transducer is housed on the air inlet pipeline, pressure transducer is electrically connected with controller, controller links to each other with frequency variator, frequency variator is electrically connected with motor simultaneously, behind the pressure in pressure transducer detects suction tude, and give controller pressure transmission, controller is controlled the frequency of frequency variator according to the height of pressure, the frequency that variable-frequency motor sends according to frequency variator is adjusted the rotating speed of self, changes the rate of air sucked in required of self, realize vacuum pressure in the vacuum system can be constant on designated value and remain unchanged.Described vacuum pump relief opening links to each other with baffler.
In conjunction with Fig. 5, Fig. 6-1, Fig. 6-2, for the present invention's intelligence is regulated vacuum system vacuum pump structure schematic representation, described vacuum pump comprises the pump housing 1, side cover first 2, side cover second 3, end cap 4, initiatively major parts such as three lobe rotor 9, driven three lobe rotor 10, gear 7, bearing gland (5,6), bearing are formed.Pump housing upper and lower surface has suction port, relief opening, the three lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, the shaft centre line of two rotors is parallel-laid into vertical straight line, two rotor reverse sync rotations in pump chamber, not friction and the rotor pump housing friction of also getting along well between the rotor, be to reach between rotor and the pump housing inwall between rotor and the rotor to have certain clearance, described active three lobe rotor exterior arc surface and driven three lobe rotor exterior arc surface are in tangent state all the time.Also comprise deep groove ball bearing 11 in addition.
In the actual implementation process of patent, when the vacuum pump work, at the axle head of power rotor sprocket wheel or belt pulley 8 are housed, be connected with motor by chain or belt, by the rotation of motor driving power rotor, and power rotor is made the synchronous backward high speed rotating by external gear pump drive driven rotor.See the working principle schematic representation (7-1 to Fig. 7-7) of described vacuum pump.
Figure cathetus arrow is represented airflow direction, curved arrow is represented the sense of rotation of rotor, when pump turns round, the gas of being taken out in the container enters the space that is surrounded by two rotors and the pump housing, meanwhile, the gas that advances into earlier, be trapped among SPACE V 0 (7-1 to Fig. 7-7 bend dash area) by a rotor and the pump housing, the gas in the V0 only is surrounded, and is not compressed or expands, when rotation along with rotor, when rotor top arrives the relief opening edge, because the effect of pressure reduction, the gas at pump exhaust inlet place will diffuse to SPACE V 0, pressure in the V0 space is elevated to exhaust pressure, along with the further rotation of rotor, the mixed gas in the SPACE V 0 will be sent to relief opening and discharge, like this along with the running continuously of rotor, more gas will be sent to relief opening and discharge, and finally reach the purpose that pump is bled.
Compare with original old-fashioned vacuum pump, needing no vacuum lubricant oil is really accomplished not have oil ring and is protected vacuum pump.

Claims (6)

1. intelligence is regulated vacuum system, and it is characterized in that: vacuum pump links to each other by transmission part with motor, is connected with suction tude and outlet pipe on the vacuum pump, be connected with pressure transducer on the suction tude, pressure transducer is electrically connected with controller, and controller links to each other with frequency variator, and frequency variator is electrically connected with motor simultaneously; Pressure transducer just is transferred to controller according to pressure after detecting the interior pressure of suction tude, simultaneously, and the frequency of controller control frequency variator, Frequency Converter Control rotating speed of motor.
2. intelligence according to claim 1 is regulated vacuum system, it is characterized in that described outlet pipe is surrounded by silencing apparatus outward.
3. intelligence according to claim 1 and 2 is regulated vacuum system, it is characterized in that, described vacuum pump comprises the pump housing, front side cap, rear side cover, fuel tank, initiatively figure of eight rotor, driven figure of eight rotor, gear are formed; Pump housing bi-side have suction port, relief opening, the figure of eight two lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, power rotor is contained in pump housing lower space, the shaft centre line of two rotors is parallel-laid into vertical straight line, there is certain clearance in two rotor reverse sync rotations in pump chamber between rotor and the rotor and between rotor and the pump housing inwall during work.
4. 3 described intelligence are regulated vacuum system as requested, and it is characterized in that: described active figure of eight rotor exterior arc surface and driven figure of eight rotor exterior arc surface are in tangent state all the time.
5. intelligence according to claim 1 and 2 is regulated vacuum system, it is characterized in that, described vacuum pump comprises the pump housing, side cover first, side cover second, end cap, initiatively three lobe rotor, driven three lobe rotor, gear are formed; Pump housing upper and lower surface has suction port, relief opening, the three lobe rotor of a pair of synchronous high-speed rotation is housed in the pump housing, the shaft centre line of two rotors is parallel-laid into vertical straight line, there is certain clearance in two rotor reverse sync rotations in pump chamber between rotor and the rotor and between rotor and the pump housing inwall during work.
6. 5 described intelligence are regulated vacuum system as requested, and it is characterized in that: described active three lobe rotor exterior arc surface and driven three lobe rotor exterior arc surface are in tangent state all the time.
CN2011101998045A 2011-07-14 2011-07-14 Intelligently-regulated vacuum system Pending CN102278310A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047144A (en) * 2012-12-29 2013-04-17 中国科学院沈阳科学仪器股份有限公司 Control method for dry vacuum pump capable of automatically adjusting pressure
CN104284581A (en) * 2012-03-14 2015-01-14 Gea农业技术有限公司 Space divider of milking parlor arrangement, and milking parlor arrangement
CN105518303A (en) * 2013-08-22 2016-04-20 株式会社三国 Vacuum pump mechanism
CN109108232A (en) * 2018-09-21 2019-01-01 山西华翔集团股份有限公司 V method casting pressure stabilizing filter device and V method casting system
CN111749879A (en) * 2019-03-29 2020-10-09 亚台富士精机股份有限公司 Control method and vacuum system

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CN201351116Y (en) * 2009-02-17 2009-11-25 中国石油化工股份有限公司 Centralized oil and gas recovery unit
CN202157965U (en) * 2011-07-14 2012-03-07 温州市欧弗斯机械有限公司 Intelligent regulation vacuum system
CN202157964U (en) * 2011-07-14 2012-03-07 温州市欧弗斯机械有限公司 Intelligent regulation vacuum system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2667203Y (en) * 2003-11-06 2004-12-29 巴德纯 Multi-stage Roots oil-free vacuum pump
CN1882782A (en) * 2003-11-20 2006-12-20 莱博尔德真空技术有限责任公司 Method for controlling the drive motor of a positive-displacement vacuum pump
CN2929261Y (en) * 2006-07-14 2007-08-01 淄博博山同汇泵业有限公司 High vacuum Roots vacuum pump
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CN202157965U (en) * 2011-07-14 2012-03-07 温州市欧弗斯机械有限公司 Intelligent regulation vacuum system
CN202157964U (en) * 2011-07-14 2012-03-07 温州市欧弗斯机械有限公司 Intelligent regulation vacuum system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104284581A (en) * 2012-03-14 2015-01-14 Gea农业技术有限公司 Space divider of milking parlor arrangement, and milking parlor arrangement
CN104284581B (en) * 2012-03-14 2017-03-01 Gea农业技术有限公司 The space divider of milking parlor system and milking parlor system
CN103047144A (en) * 2012-12-29 2013-04-17 中国科学院沈阳科学仪器股份有限公司 Control method for dry vacuum pump capable of automatically adjusting pressure
CN103047144B (en) * 2012-12-29 2014-12-17 中国科学院沈阳科学仪器股份有限公司 Control method for dry vacuum pump capable of automatically adjusting pressure
CN105518303A (en) * 2013-08-22 2016-04-20 株式会社三国 Vacuum pump mechanism
CN109108232A (en) * 2018-09-21 2019-01-01 山西华翔集团股份有限公司 V method casting pressure stabilizing filter device and V method casting system
CN111749879A (en) * 2019-03-29 2020-10-09 亚台富士精机股份有限公司 Control method and vacuum system

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