CN2929246Y - Integrated variable frequency acetylene gas compressor - Google Patents
Integrated variable frequency acetylene gas compressor Download PDFInfo
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- CN2929246Y CN2929246Y CN 200620097264 CN200620097264U CN2929246Y CN 2929246 Y CN2929246 Y CN 2929246Y CN 200620097264 CN200620097264 CN 200620097264 CN 200620097264 U CN200620097264 U CN 200620097264U CN 2929246 Y CN2929246 Y CN 2929246Y
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Abstract
This utility model discloses an integral frequency conversion acetylene gas compressor, comprising an engine body, an electric motor, a lubrication station, a water chamber, an electric control cabinet or the like, characterized in that the engine body, the electric motor and the lubrication station are all arranged on a bottom bracket, and the engine body is provided with a drive mechanism formed by a crankshaft-and-connecting rod and a compressor formed by a cylinder, a piston and a gas valve. The chiller coils from the first stage to the third stage are all soaked in the water chamber. A programmable control and a converter circuit are arranged inside the electric control cabinet. This utility mode has the following advantages: (1) this utility model has a vertical double column tertiary differential water cooler set structure, simple in structure, light in weight, convenient in installation, utilization and maintenance, (2) continuous variation or grading outlet of air displacement can be achieved by hand operating or programmable control, (3) actual time display of important parameters and extreme alarm of monitoring and multinomial indexes, (4) function of alleviating pressure in the post loading period of acetylene gas, (5) interlocking control during in the start and terminate course of the compressor host machine and the accessory equipments, (6) obvious effect of the coiled cooler.
Description
Technical field
The utility model relates to compressor, especially relates to a kind of integrated frequency conversion acetylene gas compressor that is used for petroleum chemical enterprise and Metal Cutting technology field.
Background technique
The acetylene gas compressor is to be that raw material is produced one of main production equipments in the dissolved acetylene station with the calcium carbide, and it provides efficiently filling bottle acetylene gas filling bottle power easily to Metal Cutting technology.Existing be used for acetylene gas to produce the acetylene compressor great majority are diapragm compressors, equipment volume is huge, be the twice of same model product, and working efficiency is low more than the piston type acetylene compressor, and noise is big, and costs an arm and a leg, and general enterprise is difficult to bear.The piston type acetylene compressor of minority generally comprises main frame, motor, air intake filter, oil and water seperator, oil gun assembly, water tank, intake and exhaust pipeline and instrument regulating controller etc., these parts do not form integral body, the user uses very inconvenience, maintenance, dismounting, difficult in maintenance; Cooler mostly is the single tube cooling, and the cooling water usage is big, and water usage is that cooling effect is poor more than the 5t/h, easily causes the compressor exhaust temperature height.During the acetylene gas can, pressure of living in can raise gradually, and when can reached the later stage, because pressure raises, acetylene gas easily decomposed owing to high temperature and emits a large amount of heat, easily causes blast, and wishing has a kind of function of slowing down pressure in the can later stage.
Summary of the invention
The purpose of this utility model has been to provide a kind of vertical II row reciprocating piston type overall structure, floor space is little, acetylene gas compressor reliable, that Security is good, cooling effect is remarkable, thereby the speed-controllable of motor is regulated the pressure controlled integrated frequency control of motor speed that finally realizes the compressor air-discharging amount operates steadily.
The purpose of this utility model is achieved in that the utility model comprises fuselage, motor, lubrication station, air intake filter, oil and water seperator, oil gun, water tank, the intake and exhaust pipeline, instrument and electric control cubicle, feature is also to comprise underframe, fuselage, motor, air intake filter and lubrication station are installed on the underframe, in fuselage, be provided with the driving mechanism that crankshaft-and-connecting-rod constitutes, in fuselage, be provided with by cylinder, the compressor that piston and air valve constitute, motor is connected with belt pulley on the bent axle by drivign belt, in lubricant oil is housed lubrication station be connected with fuselage by oil pipe, the suction port of pneumatic tube is connected with the air outlet of cylinder head, and the air outlet of pneumatic tube is connected with the suction port of air intake filter.
Water tank is located in the fuselage, and one-level, secondary, three grades of coil pipe in cooler all soak in water tank.
In electric control cubicle, be provided with control able to programme and frequency changer circuit, control able to programme and frequency changer circuit are made up of frequency conversion control circuit, air-break switch, A.C. contactor group, frequency selective switch, isolating safety grid, technology warning circuit, pressure signal input circlult, Oil pump electrical machinery drive circuit, compressor master motor-drive circuit, control power supply and power circuit, and frequency conversion control circuit starts halt circuit by frequency variator rotational speed setup control circuit and frequency variator and forms.
The utlity model has following advantage:
(1) adopts the integrated design of three grades of differential water-cooled overall structures of upright biserial, realize the Compressor Group structure, make that product has that volume is little, characteristics such as compact structure, in light weight, easy to install, easy care;
(2) can realize the continuous variation or the classification output of air displacement by manual or programming Control, thereby realize an effect that replaces multiple compressors, satisfy the application demand under the different operating modes, save cost, improve benefit;
(3) realized the intelligent control of complete machine, the automation of product is improved greatly.Realize the real-time demonstration of the important parameter in the complete machine running and the limiting alarm of monitoring and many index;
(4) realized that there is a kind of function of slowing down pressure in the acetylene gas can later stage;
(5) realized that supplementary equipment such as compressor host and startup oil pump open/stop the interlocked control of process, have avoided artificial misoperation; Control system can be started anti-asthma control according to airflow state in good time, makes exhaust smooth and easy;
(6) the coiled pipe cooler cooling effect is more obvious, compares with the cooler of other products use in the past and has reduced degree more than 10, and every reduction can make the next stage power consumption reduce 1% for three degrees centigrade.It is calculated that cost of goods manufactured is 60% of a product price, the product value added is 40%.Water usage is 2.7t/h, and is littler than the acetylene gas compressor water usage of the domestic same industry, the conserve water energy; Maintenance, easy disassembling.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 looks for the left side of Fig. 1 and the structural representation of electric control cubicle;
Fig. 3 is the structural representation of coil pipe in cooler of the present utility model in water tank;
Fig. 4 is a circuit block diagram of the present utility model;
Fig. 5 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
The utility model comprises fuselage 5, motor 1, lubrication station 3, air intake filter 2, one-level oil and water seperator 17, secondary oil and water seperator 10, oil strainer 15, water tank 7, instrument 8 and electric control cubicle 19, fuselage 5, motor 1, air intake filter 2 and lubrication station 3 are installed on the underframe 4, in fuselage 1, be provided with the driving mechanism that bent axle 13 and connecting rod 14 constitute, in fuselage 1, be provided with by cylinder 11, the compressor that piston 12 and air valve constitute, motor 1 is connected with belt pulley 6 on the bent axle 13 by drivign belt, in lubricant oil is housed lubrication station 3 be connected with fuselage 5 by oil pipe, the suction port of pneumatic tube 9 is connected with the air outlet at cylinder 11 tops, and the air outlet of pneumatic tube 9 is connected with the suction port of air intake filter 2.
In electric control cubicle 19, be provided with control able to programme and frequency changer circuit, control able to programme and frequency changer circuit are by frequency conversion control circuit, the frequency given circuit, air-break switch QF, A.C. contactor group KM1, KM2, frequency selective switch SA2, isolating safety grid GL1, GL2, the technology warning circuit, the pressure signal input circlult, the Oil pump electrical machinery drive circuit, compressor master motor-drive circuit, control power supply 220V and power circuit are formed, the pressure signal input circlult is again by the lubricating oil pressure signal input circuit, suction pressure signal input circuit and discharge pressure signal input circlult are formed, frequency conversion control circuit starts halt circuit by frequency variator rotational speed setup control circuit and frequency variator and forms, frequency variator rotational speed setup control circuit is made of programmable controller LOGO and frequency converter B P again, frequency converter B P is connected between A.C. contactor group KM1 and the compressor master motor M 1, the output terminal X1 of programmable controller LOGO, X2, X3 meets the multistage speed input end X1 of frequency converter B P respectively, X2, X3.
The lubricating oil pressure signal input circuit is by pressure controller SP2 (control oil pressure) output one switching value; insert input end 9,10 pin of isolating safety grid GL1 by tenminal block A1, A2; export to 3,29 ends of technology warning circuit by output terminal 5,6 pin of isolating safety grid GL1; when oil pressure is lower than setting valve; auxiliary reclay KA1 is disconnected for the comprehensive auxiliary reclay KA6 of technology trouble by technology warning circuit output halt command; the input end FWD of frequency variator and COM do not have the CRANK PULSES input; frequency converter B P is quit work, and compressor is out of service.
The suction pressure signal input circuit is pressed table SP1 (control suction pressure) output one switching value by electric contact ammonia; insert input end 9,10 pin of isolating safety grid GL2 by tenminal block A5, A6; export to 3,27 ends of technology warning circuit by output terminal 5,6 pin of isolating safety grid GL2; when suction pressure is lower than setting valve; auxiliary reclay KA1 is disconnected for the comprehensive auxiliary reclay KA6 of technology trouble by technology warning circuit output halt command; the input end FWD of frequency variator and COM do not have the CRANK PULSES input; frequency converter B P is quit work, and compressor is out of service.
The discharge pressure signal input circlult is pressed table SP3 (control exhaust pressure) output one switching value by electric contact ammonia; by tenminal block A3; A4 inserts the input end 11 of isolating safety grid GL1; 12 pin; output terminal 7 by isolating safety grid GL1; 8 pin are exported to 3 of technology warning circuit; 33 ends; when exhaust pressure is higher than setting valve; auxiliary reclay KA1 is disconnected for the comprehensive auxiliary reclay KA6 of technology trouble by technology warning circuit output halt command; the input end FWD of frequency variator and COM do not have the CRANK PULSES input; frequency converter B P is quit work, and compressor is out of service.
Frequency variator starts halt circuit and is made up of often open auxiliary contact 11,11a terminal and the A.C. contactor KM1 coil of start button SB2, stop button SB1, auxiliary reclay KA13, control frequency converter B P powers on, have only after the auxiliary contact 11 that after the oil pressure foundation are auxiliary reclay KA13,11a terminal closure, A.C. contactor KM1 just can move.
The Oil pump electrical machinery drive circuit is made up of normally closed auxiliary contact 2,4 terminals and the A.C. contactor KM2 coil of start button SB3, stop button SB4, thermorelay FR, the start and stop of control Oil pump electrical machinery M2.When Oil pump electrical machinery transships, thermorelay FR action, Oil pump electrical machinery M2 shuts down.
Compressor master motor-drive circuit is made up of normally closed auxiliary contact 23,25 terminals of often opening auxiliary contact 21,23 terminals, the comprehensive auxiliary reclay KA6 of technology trouble of start button SB5, stop button SB6, A.C. contactor KM2, normally closed auxiliary contact 2,4 terminals of thermorelay FR and the coil of auxiliary reclay KA1, the start and stop of control compressor master motor M 1.Have only after Oil pump electrical machinery M2 startup and oil pressure foundation, compressor master motor M 1 just allows to start, and is in service if technology trouble or Oil pump electrical machinery M2 overload occur, all can make compressor master motor M 1 out of service.
The frequency given circuit by programmable controller LOGO, frequency selective switch SA2, auxiliary reclay KA7～12, and tutorial light HL8～13 form.The user can select different air displacemenies according to actual gas consumption, when frequency selective switch SA2 is threaded to " 50% air displacement ", auxiliary reclay KA7 gets electronic work, corresponding tutorial light HL8 is lighted, simultaneously auxiliary reclay KA7's often leaves the input end I1 that the auxiliary contact closure is exported to programmable controller LOGO, programmable controller LOGO inside is programmed, output terminal X1 by programmable controller LOGO, X2, X3 output switching value is to the multistage speed input end X1 of frequency converter B P, X2, X3, again frequency converter B P being carried out frequency setting is 25Hz, the rotating speed when making it corresponding to " 50% air displacement ".Equally, the frequency of different gears selects to export to I1～I6 input end of programmable controller LOGO, will export different Q1～Q3 state, and the multistage frequency of frequency converter B P is set, frequency when making it corresponding to different air displacement reaches the demand that the compressor different rotating speeds moves.
Power circuit is made up of isolating transformer T, piezoresistance RV, fus FU, switch type stabilized power supply DY and reference diode VD, power circuit output+24V voltage, safety type isolated gate GL1 and GL2 in the supply pressure signal input circuit are as the working power of safety type isolated gate GL1 and GL2.
Use usage:
The user selectes required frequency by frequency selective switch SA2 before start, be required air displacement, and then start compressor, and in compressor operation, can change current rotating speed arbitrarily by speed selector switch SA2, promptly change current air displacement, to satisfy on-the-spot demand.
When starting compressor, air-break switch QF closes, connect control power switch SA1, start earlier Oil pump electrical machinery M2, press start button SB3, treat oil pressure set up the back (promptly insert 11 and the 11a circuit in auxiliary reclay KA13 often open the auxiliary contact closure) frequency converter B P can allow to switch on, press eletric button SB2 on the frequency variator, frequency converter B P powers on, and presses host-initiated button SB5 afterwards, compressor operation.
During faults such as compressor master motor M 1 is transshipped when occurring, lubricating oil pressure is low, air inlet is under-voltage, exhaust superpressure, compressor is shut down, and have corresponding tutorial light to be shown as which kind of fault.
During orderly closedown, press main frame stop button SB6 earlier, compressor shuts down, and presses frequency variator stop button SB1 again, and Oil pump electrical machinery stop button SB4 is pressed in frequency converter B P outage again, and Oil pump electrical machinery shuts down.Disconnect control power switch SA1 at last, air-break switch QF.
The driving mechanism of being made up of bent axle 13, connecting rod 14 during compressor operating becomes linear reciprocating motion with the rotation that motor 1 drives belt pulley 6, and it is reciprocating in cylinder 11 to drive piston 12 by connecting rod 14.When piston 12 moves downward, one-level INO, exhaust valve closure, the secondary suction valve cuts out, outlet valve is opened, and three grades of suction valves are opened, exhaust valve closure; When piston moved upward, the one-level suction valve cut out, outlet valve is opened, secondary INO, exhaust valve closure, and three grades of suction valves cut out, outlet valve is opened; Enter one-level coil pipe in cooler 18, secondary coolers coil pipe 20 and three grades of coil pipe in cooler 16 respectively after the gas of discharges at different levels is discharged and cool off, enter one-level oil and water seperator 17 after the cooling, secondary oil and water seperator 10 carries out oil-water separation.The frictional heat that rotatablely moves that each moving element of compressor is produced is mainly taken away by lubricant oil heat is derived.
Claims (3)
1, a kind of integrated frequency conversion acetylene gas compressor, comprise fuselage (5), motor (1), lubrication station (3), air intake filter (2), one-level oil and water seperator (17), secondary oil and water seperator (10), oil strainer (15), water tank (7), instrument (8) and electric control cubicle (19), it is characterized in that: also comprise underframe (4), fuselage (5), motor (1), air intake filter (2) and lubrication station (3) are installed on the underframe (4), in fuselage (1), be provided with the driving mechanism that bent axle (13) and connecting rod (14) constitute, on fuselage (1), be provided with by cylinder (11), the compressor that piston (12) and air valve constitute, motor (1) is connected with belt pulley (6) on the bent axle (13) by drivign belt, in lubricant oil is housed lubrication station (3) be connected with fuselage (5) by oil pipe, the suction port of pneumatic tube (9) is connected with the air outlet at cylinder (11) top, and the air outlet of pneumatic tube (9) is connected with the suction port of air intake filter 2.
2, integrated frequency conversion acetylene gas compressor as claimed in claim 1, it is characterized in that: water tank (7) is located in the fuselage (5), and one-level coil pipe in cooler (18), secondary coolers coil pipe (20) and three grades of coil pipe in cooler (16) all soak in water tank (7).
3, integrated frequency conversion acetylene gas compressor as claimed in claim 1, it is characterized in that: in electric control cubicle (19), be provided with control able to programme and frequency changer circuit, frequency conversion control circuit in control able to programme and the frequency changer circuit starts halt circuit by frequency variator rotational speed setup control circuit and frequency variator and forms, frequency variator rotational speed setup control circuit is made of programmable controller (LOGO) and frequency variator (BP) again, frequency variator (BP) is connected between A.C. contactor group (KM1) and the compressor master motor (M1), output terminal (the X1 of programmable controller (LOGO), X2, X3) meet the multistage speed input end (X1 of frequency variator (BP) respectively, X2, X 3), the pressure signal input circlult is again by the lubricating oil pressure signal input circuit, suction pressure signal input circuit and discharge pressure signal input circlult are formed, the lubricating oil pressure signal input circuit is by pressure controller (SP2) output one switching value, by tenminal block (A1, A2) input end (9 of access isolating safety grid (GL1), 10) pin, output terminal (5 by isolating safety grid (GL1), 6) pin is exported to (3 of technology warning circuit, 29) end, the suction pressure signal input circuit is pressed table (SP1) output one switching value by electric contact ammonia, by tenminal block (A5, A6) input end (9 of access isolating safety grid (GL2), 10) pin, output terminal (5 by isolating safety grid (GL2), 6) pin is exported to (3 of technology warning circuit, 27) end, the discharge pressure signal input circlult is pressed table (SP3) output one switching value by electric contact ammonia, by tenminal block (A3, A4) input end (11 of access isolating safety grid (GL1), 12) pin is by the output terminal (7 of isolating safety grid (GL1), 8) pin is exported to (3 of technology warning circuit, 33) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620097264 CN2929246Y (en) | 2006-06-16 | 2006-06-16 | Integrated variable frequency acetylene gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620097264 CN2929246Y (en) | 2006-06-16 | 2006-06-16 | Integrated variable frequency acetylene gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2929246Y true CN2929246Y (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620097264 Expired - Fee Related CN2929246Y (en) | 2006-06-16 | 2006-06-16 | Integrated variable frequency acetylene gas compressor |
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| Country | Link |
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| CN (1) | CN2929246Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146908A (en) * | 2010-02-08 | 2011-08-10 | 东莞市雅迪勤压缩机制造有限公司 | Variable frequency (VF) oilless compressor |
| CN104214075A (en) * | 2014-09-09 | 2014-12-17 | 青岛海普润机械有限公司 | Variable-frequency air compressor integral device |
-
2006
- 2006-06-16 CN CN 200620097264 patent/CN2929246Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146908A (en) * | 2010-02-08 | 2011-08-10 | 东莞市雅迪勤压缩机制造有限公司 | Variable frequency (VF) oilless compressor |
| CN102146908B (en) * | 2010-02-08 | 2014-03-05 | 东莞市雅迪勤压缩机制造有限公司 | Variable frequency (VF) oilless compressor |
| CN104214075A (en) * | 2014-09-09 | 2014-12-17 | 青岛海普润机械有限公司 | Variable-frequency air compressor integral device |
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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 |
Granted publication date: 20070801 Termination date: 20140616 |
|
| EXPY | Termination of patent right or utility model |