CN103277288B - The diaphragm type compressor that linear electric motors drive - Google Patents
The diaphragm type compressor that linear electric motors drive Download PDFInfo
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- CN103277288B CN103277288B CN201310195298.1A CN201310195298A CN103277288B CN 103277288 B CN103277288 B CN 103277288B CN 201310195298 A CN201310195298 A CN 201310195298A CN 103277288 B CN103277288 B CN 103277288B
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- main support
- electric motors
- linear electric
- compression member
- type compressor
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Abstract
The invention discloses the diaphragm type compressor that a kind of linear electric motors drive, including: shell; The compression member being contained in shell and be fixed on shell by main support; Communicate with compression member and realize the part of cylinder block of gas compression; Described compression member is driven by the linear electric motors being fixed on main support and arrange around described compression member. The present invention adopts linear motor direct drive diaphragm type compressor, eliminates the intermediate energy shifters such as crank connecting link so that diaphragm type compressor compact conformation, and volume and weight greatly reduce; And reduce mechanical wear, improve operational efficiency; The control to piston stroke can being realized by adjustment current amplitude simultaneously, thus adapting to real-time working condition change, reducing energy consumption.
Description
Technical field
The present invention relates to compressor apparatus, particularly relate to the diaphragm type compressor that a kind of linear electric motors drive.
Background technology
Diaphragm type compressor is a kind of special positive displacement compressor, is change air cavity volume by diaphragm deformation to realize the compression to gas. On the cylinder cap and oil distribution casing of diaphragm machine die head, each processing has a curved surface, sandwiched diaphragm between curved surface, die head is divided into air cavity and oil pocket by diaphragm, air cavity communicates with the suction being loaded in cylinder cap valve opening, air bleeding valve, oil pocket is then communicated with the oil pocket in cylinder body by pod apertures numerous on oil distribution casing, cylinder cap, diaphragm, oil distribution casing and cylinder body are tightened together by the bolt around die head, make the air cavity in die head and oil pocket all obtain sealing and not leak.
Diaphragm type compressor is usually and is driven by electric rotating machine, reciprocating motion is converted rotational motion into by the toggle of crankcase, drive the hydraulic oil in piston compressing cylinder body, active force is transferred to uniformly diaphragm, make diaphragm reciprocating, thus reaching compression gas, improve the purpose of gas pressure. Owing to diaphragm can by completely separated to air cavity and oil pocket, diaphragm is reciprocating, such as the effect of piston, but there is no Relative friction, because without adding any greasing substance in air cavity, gas working medium only contacts with metallic membrane, can completely not by grunge pollution, it is ensured that the cleaning of compression working medium. Meanwhile, diaphragm type compressor good seal performance, and easily realize high pressure ratio, therefore it is widely used in the expensive gases such as hydrogen, helium and some corrosivity is strong, poisonous, the compression of explosion hazard gases and conveying.
General diaphragm type compressor all has electric rotating machine and crankcase structure, it appears bulky, quality is heavy and power consumption is bigger. Chinese patent if publication number is CN101408168A discloses a kind of double-operation diaphragm compressor, although having raising compressor operating ability, alleviate the advantages such as body weight, balance system inertia power, but still have employed electric rotating machine and toggle, overall structure remains unchanged relative complex. For this problem, notification number is the diaphragm type compressor that the Chinese patent of CN201810532U discloses a kind of miniaturization, easily movement.It coordinates slider-crank mechanism to realize gas compression by electric rotating machine, but its structure still seems complex, and parts are more, and body is bigger, it is impossible to be completely suitable for the application scenario of little capacity.
Summary of the invention
The invention provides the diaphragm type compressor that a kind of linear electric motors drive, its compact conformation, efficiency are high, be particularly well-suited to the application scenario of little capacity.
The diaphragm type compressor that a kind of linear electric motors drive, including:
Shell;
The compression member being contained in shell and be fixed on shell by main support;
Communicate with compression member and realize the part of cylinder block of gas compression;
Described compression member is driven by the linear electric motors being fixed on main support and arrange around described compression member.
Described compression member includes:
Cylinder body, is fixed on main support and communicates with described part of cylinder block;
Piston, is contained in cylinder body and with piston shaft.
For alleviating the weight of compression member, described piston is hollow-core construction.
Described part of cylinder block includes:
Closing the cylinder cap of described cylinder body, cylinder cap is provided with the valve opening communicated with the external world;
It is located at the oil distribution casing between cylinder cap and described cylinder body;
It is sandwiched in the diaphragm between cylinder cap and oil distribution casing;
The air cavity separated by diaphragm and oil pocket, oil pocket communicates with described cylinder body, and air cavity communicates with valve opening.
Being provided with inlet valve and air bleeding valve in described valve opening, low-pressure gas is sucked by inlet valve, and gases at high pressure are discharged by air bleeding valve. When reciprocating motion of the pistons, the lubricating oil in oil pocket is squeezed, and by oil distribution casing by reciprocating force Transmit evenly to diaphragm, the reciprocating motion of diaphragm will realize gas compression function in air cavity. Owing to diaphragm is by completely separated to oil pocket and air cavity so that working medium keeps cleaning and not contaminated in air cavity. In order to ensure sealing property, between described cylinder body and cylinder cap, O is set.
Described linear electric motors include outer yoke, interior yoke, coil, permanent magnet support and permanent magnet; Described interior yoke is fixed on described main support; Described outer yoke is fixed on described main support and relative with described interior yoke gap, interior yoke forms annulus gap with outer yoke, described permanent magnet support is arranged in this annulus gap and is connected with described piston shaft, described permanent magnet support is cased with described permanent magnet, described outer yoke is nested with described coil.
Described interior yoke two ends are respectively by being fixed in the interior yoke on main support retainer ring and the clamping of interior yoke extenal fixation ring.
Interior yoke and outer yoke can be formed by stalloy is stacking, are coiled into a ring-type; Also can be processed by other magnetically soft alloy materials. When coil passes to alternating current, the annulus gap that interior yoke and outer yoke are coiled into produces the magnetic field of alternation, so that permanent magnet is subject to the axial reciprocating power of alternation. Owing to permanent magnet is connected with piston, therefore it can promote piston axially reciprocating.
Described linear electric motors are moving-magnetic type linear motor, and dynamic coil linear motor or moving-iron type linear motor are applied equally to the present invention. Linear electric motors provide axial reciprocating force for piston, thus promoting piston, it is achieved the compression function of gas.
For improving the efficiency of diaphragm type compressor, reducing and run power consumption, diaphragm type compressor needs to be operated in resonant condition, is therefore provided with spring members in diaphragm type compressor so that it is form " quality-spring " system with piston. Described main support is also equipped with the clamping device of fixing described linear electric motors, the piston shaft of described piston is connected to piston shaft end plate, it is provided with left side helical spring between described clamping device and piston shaft end plate, between described piston shaft end plate and main support, is provided with right side helical spring.Described piston shaft end plate is connected with described permanent magnet support.
Beneficial effect compared with prior art:
1) this diaphragm type compressor adopts linear electric motors to drive, and instead of traditional electric rotating machine and toggle so that diaphragm type compressor compact conformation, and parts reduce, and are greatly reduced the weight and volume of compressor.
2) this diaphragm type compressor converts link owing to eliminating the intermediate energies such as crank connecting link, reduces mechanical wear, improves overall efficiency.
3) owing to piston is driven by linear electric motors, its stroke is not limited, and can realize the adjustment to piston stroke by regulating electric current. Therefore when diaphragm type compressor operating condition changes, it is possible to realize the control to piston stroke by regulating current amplitude, thus reducing energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of diaphragm type compressor that linear electric motors of the present invention drive;
Fig. 2 is the structural representation of linear electric motors shown in Fig. 1.
Wherein, 1, shell; 2, left side helical spring; 3, piston shaft end plate; 4, permanent magnet support; 5, right side helical spring; 6, clamping device; 7, main support; 8, cylinder end plate; 9, cylinder head O; 10, oil distribution casing; 11, oil pocket; 12, inlet valve; 13, air bleeding valve; 14, air cavity; 15, diaphragm; 16, cylinder cap; 17, piston; 18, cylinder end plate O; 19, retainer ring in interior yoke; 20, outer yoke; 21, coil; 22, permanent magnet; 23, interior yoke; 24, interior yoke extenal fixation ring; 25, piston shaft.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details, however, it should be understood that be only used as exemplary below, does not limit the scope of the invention.
With reference to Fig. 1, the diaphragm type compressor that a kind of linear electric motors drive, including shell 1, hold interior with shell 1 and be fixed on the compression member on shell 1 by main support 7, communicate with compression member and realize the part of cylinder block of gas compression, compression member is driven by the linear electric motors being fixed on main support 7 and arrange around compression member, and main support 7 is provided with the clamping device 6 for fixing linear electric motors. Shell 1 is directly fixed with main support 7, and for body-sealing, and main support 7 is for the support of whole body.
Compression member includes cylinder body and piston 17, cylinder body is fixed on main support 7 and communicates with part of cylinder block, accommodates piston 17 in cylinder body, and piston 17 is connected to piston shaft 25, the end of piston shaft 25 is connected to a piston shaft end plate 3, and piston 17 can move back and forth in cylinder body.
Part of cylinder block includes cylinder cap 16, oil distribution casing 10, diaphragm 15, cylinder end plate 8. Cylinder cap 16 is the cylinder body for closed compression parts, and cylinder cap 16 is provided with the valve opening communicated with the external world. Oil distribution casing 10 is located between cylinder cap 16 and cylinder body. On cylinder cap 16 and oil distribution casing 10, each processing has a curved surface, diaphragm 15 it is provided with between curved surface, diaphragm 15 is separated out air cavity 14 and oil pocket 11 between cylinder cap 16 and cylinder body, oil pocket 11 communicates with cylinder body, air cavity 14 communicates with the valve opening on cylinder cap 16, cylinder cap 16, diaphragm 15, oil distribution casing 10 and cylinder body tighten together, and make air cavity 14 and oil pocket 11 seal. Cylinder cap 16 is to be connected with cylinder body by cylinder end plate 8 and cylinder body is sealed. Being provided with inlet valve 12 and air bleeding valve 13 in valve opening, low-pressure gas is sucked by inlet valve 12, and gases at high pressure are discharged by air bleeding valve 13. In order to ensure sealing property, being provided with O between cylinder body and cylinder cap 16, concrete set-up mode is: adopts cylinder end plate O 18 between cylinder end plate 8 and main support 7, have employed cylinder head O 9 between cylinder cap 16 and cylinder end plate 8.
Linear electric motors include retainer ring 19 in interior yoke 23, interior yoke, interior yoke extenal fixation ring 24, outer yoke 20, permanent magnet 22, permanent magnet support 4 and coil 21, interior yoke 23 is fixed on main support 7, and two ends are clamped by retainer ring 19 in interior yoke and interior yoke extenal fixation ring 24 respectively; In interior yoke, retainer ring 19 and interior yoke extenal fixation ring 24 are also integrally fixed on main support 7; Outer yoke 20 is fixed on main support 7 and is reinforced by clamping device 6, outer yoke 20 is relative with interior yoke 23 gap, define an annulus gap, permanent magnet support 4 is arranged in the annulus gap that interior yoke 23 is formed with outer yoke 20 and is connected with the piston shaft end plate 3 of compression member, and permanent magnet support 4 is cased with permanent magnet 22. Linear electric motors are moving-magnetic type linear motor, and its structure is as shown in Figure 2.
Being also provided with spring members in diaphragm type compressor, it includes left side helical spring 2 and right side helical spring 5. Wherein left side helical spring 2 connects clamping device 6 and piston shaft end plate 3, and right side helical spring 5 connects piston shaft end plate 3 and main support 7.
When coil 21 passes to alternating current, the annulus gap that interior yoke 23 and outer yoke 20 are coiled into produces the magnetic field of alternation, so that permanent magnet 22 is subject to the axial reciprocating power of alternation. Owing to piston shaft end plate 3 is coupled by permanent magnet support 4 and permanent magnet 22, therefore piston 17 axial reciprocating can be driven. When piston 17 moves back and forth, lubricating oil in oil pocket 11 is squeezed, and by oil distribution casing 10 by reciprocating force Transmit evenly to diaphragm 15, the reciprocating motion of diaphragm 15 will realize gas compression function in air cavity 14, making low-pressure gas be sucked by inlet valve 12, gases at high pressure are discharged by air bleeding valve 13.
Claims (3)
1. the diaphragm type compressor that linear electric motors drive, including:
Shell;
The compression member being contained in shell and be fixed on shell by main support;
Communicate with compression member and realize the part of cylinder block of gas compression; It is characterized in that,
Described compression member is driven by the linear electric motors being fixed on main support and arrange around described compression member
Described compression member includes:
Cylinder body, is fixed on main support and communicates with described part of cylinder block;
Piston, is contained in cylinder body and with piston shaft;
Described piston shaft is connected to piston shaft end plate, described main support is also equipped with the clamping device of fixing described linear electric motors, it is provided with left side helical spring between described clamping device and piston shaft end plate, between described piston shaft end plate and main support, is provided with right side helical spring;
Described part of cylinder block includes:
Closing the cylinder cap of described cylinder body, cylinder cap is provided with the valve opening communicated with the external world;
It is located at the oil distribution casing between cylinder cap and described cylinder body;
It is sandwiched in the diaphragm between cylinder cap and oil distribution casing;
The air cavity separated by diaphragm and oil pocket, oil pocket communicates with described cylinder body, and air cavity communicates with valve opening;
Described linear electric motors include outer yoke, interior yoke, coil, permanent magnet support and permanent magnet; Described interior yoke is fixed on described main support; Described outer yoke is fixed on described main support and relative with described interior yoke gap, interior yoke forms annulus gap with outer yoke, described permanent magnet support is arranged in this annulus gap and is connected with described piston shaft, described permanent magnet support is cased with described permanent magnet, described outer yoke is nested with described coil; Described piston is hollow-core construction.
2. the diaphragm type compressor that linear electric motors according to claim 1 drive, it is characterised in that described interior yoke two ends are respectively by being fixed in the interior yoke on main support retainer ring and the clamping of interior yoke extenal fixation ring.
3. the diaphragm type compressor that linear electric motors according to claim 1 drive, it is characterised in that between described cylinder body and cylinder cap, O is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195298.1A CN103277288B (en) | 2013-05-22 | 2013-05-22 | The diaphragm type compressor that linear electric motors drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195298.1A CN103277288B (en) | 2013-05-22 | 2013-05-22 | The diaphragm type compressor that linear electric motors drive |
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| Publication Number | Publication Date |
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| CN103277288A CN103277288A (en) | 2013-09-04 |
| CN103277288B true CN103277288B (en) | 2016-06-15 |
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| CN201310195298.1A Expired - Fee Related CN103277288B (en) | 2013-05-22 | 2013-05-22 | The diaphragm type compressor that linear electric motors drive |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108799050A (en) * | 2017-05-02 | 2018-11-13 | 华北电力大学（保定） | A kind of thermal compressor system that magnet piston is coupled with electromagnetic coil |
| CN107769508B (en) * | 2017-11-30 | 2019-07-19 | 中国航空发动机研究院 | A kind of magnetic force vibration linear generating set |
| CN109973370A (en) * | 2019-04-24 | 2019-07-05 | 江苏恒久机械股份有限公司 | A kind of hydraulic-driven membrane compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2577005Y (en) * | 2002-10-11 | 2003-10-01 | 北京汇知机电设备有限责任公司 | Symmetric balanced metal diaphragm compressor |
| CN1479437A (en) * | 2002-07-16 | 2004-03-03 | ��ʽ������Э���������� | Linear motion executive component and pump device and air compression device using the cornponent |
| CN102767508A (en) * | 2012-07-06 | 2012-11-07 | 上海应用技术学院 | Diaphragm type electromagnetic air pump |
| CN203272091U (en) * | 2013-05-22 | 2013-11-06 | 浙江大学 | Diaphragm compressor driven by linear motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013017143A1 (en) * | 2011-08-04 | 2013-02-07 | L&P Swiss Holding Ag | Diaphragm pump for a seat adjusting device and seat adjusting device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479437A (en) * | 2002-07-16 | 2004-03-03 | ��ʽ������Э���������� | Linear motion executive component and pump device and air compression device using the cornponent |
| CN2577005Y (en) * | 2002-10-11 | 2003-10-01 | 北京汇知机电设备有限责任公司 | Symmetric balanced metal diaphragm compressor |
| CN102767508A (en) * | 2012-07-06 | 2012-11-07 | 上海应用技术学院 | Diaphragm type electromagnetic air pump |
| CN203272091U (en) * | 2013-05-22 | 2013-11-06 | 浙江大学 | Diaphragm compressor driven by linear motor |
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Granted publication date: 20160615 Termination date: 20200522 |
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