CN103256203A - Linear compressor of air conditioner and refrigerator - Google Patents
Linear compressor of air conditioner and refrigerator Download PDFInfo
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- CN103256203A CN103256203A CN2013101354348A CN201310135434A CN103256203A CN 103256203 A CN103256203 A CN 103256203A CN 2013101354348 A CN2013101354348 A CN 2013101354348A CN 201310135434 A CN201310135434 A CN 201310135434A CN 103256203 A CN103256203 A CN 103256203A
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Abstract
The invention discloses a linear compressor of an air conditioner and a refrigerator. The linear compressor of the air conditioner and the refrigerator comprises a shell and a compressing mechanism which is accommodated in the shell and fixed with the shell through a shell support. The compressing mechanism comprises a piston and a linear motor which drives the piston to move along an actuating shaft of the compressing mechanism. The compressing mechanism is connected with the shell through a dynamic balancer. The dynamic balancer comprises a rotor, a first elastic assembly which is connected with the rotor and the actuating shaft and a second elastic assembly which is connected with the rotor and the shell support. According to the linear compressor of the air conditioner and the refrigerator, vibration of the compressor is greatly reduced, and vibration output is zero under a theoretical condition. In addition, the method that the outer side of the rotor of the dynamic balancer is connected with the first elastic assembly and the inner side of the rotor of the dynamic balancer is connected with the second elastic assembly enables the dynamic balancer to be compact in structure, convenient to install and easy to debug.
Description
Technical field
The present invention relates to chiller plant, relate in particular to a kind of air-conditioning refrigerator Linearkompressor.
Background technique
Along with The development in society and economy and progress of science and technology, air-conditioning refrigerator becomes one of requisite household electric appliance of ordinary family.According to incompletely statistics, the power consumption of air-conditioning refrigerator accounts for 20～40% of whole family, during the broiling summer even higher, and electric energy consume the discharging that causes energy-intensive aggravation and more greenhouse gases excessively, under the century of energy-conserving and environment-protective theme, international community has higher requirement to the Energy Efficiency Ratio of air-conditioning refrigerator.Therefore compressor has the effect of similar heart in refrigeration system, the electric energy of its consumption accounts for more than 80% of whole system, improves the efficient of compressor, and the operating conditions etc. that improves compressor is the important channel that cuts down the consumption of energy.Linearkompressor is present research focus, has advantages such as efficient height, the life-span is long, vibration is low, noise is little.Linearkompressor is to adopt the linear electric motor compressor driven, and for the freezer compressor power range, the performance of Linearkompressor is better than piston compressor, and can keep not reducing in wideer power range; Simultaneously, Linearkompressor can also solve the complex structure of traditional compressor, and volume is big; Noise and vibration are big; Whole mechanical efficiency is low; Life-span is short; The stroke of piston is short; Problems such as the frequency height of piston.Just because of the advantage of Linearkompressor aspect energy-saving and cost-reducing, so Linearkompressor obtained extensive use at present in the air-conditioning refrigerator field, the Reciprocting piston compressor that it is traditional relatively, and efficient can improve 20%～30%.
Meanwhile, people also have higher requirement to the comfort level of air-conditioning refrigerator.For example to the requirement of vibration noise, people wish the domestic air conditioning refrigerator in running, vibrate enough for a short time, and noise is enough low, so that a quiet more comfortable job and living environment to be provided to us, thereby improve our quality of the life.
Be applied to the Linearkompressor of air-conditioning refrigerator at present, its vibration damping mode mainly is by the cylindrically coiled spring assembly is installed to reach the effect of vibration damping below compressor block, be that the Chinese patent of CN101265895 discloses a kind of Linearkompressor as notification number, it comprises shell, compressor main body, and separate to support the resilient member of the described compressor main body in this shell with the bottom of described shell, described compressor main body is installed in the described shell, and by cylinder, to-and-fro motion is with the piston of compressed refrigerant in described cylinder, and the linear electric machine formation that is used for driving described piston.But its vibration damping to as if the whole compressor body, thereby vibration insulating system seems heavy huge, and vibration and noise still exist significantly, reduced people's quality of life.At above-mentioned vibration damping problem, number of patent application is that 201210289107.3 Chinese patent discloses a kind of Linearkompressor with vibration damping structure, and its method is to carry out vibration damping by add one in the Linearkompressor subsystem of vertically placing by " spring-quality " system that follows mover and spring to constitute.Because the object of vibration damping is the mover part, can reduce power consumption by contrast, structure is comparatively light and handy.But because the cylindrical spring that remains that adopts connects, often structure can not be accomplished compactness, and the whole compressor body seems that still the comparison heaviness is huge.
Summary of the invention
The invention provides a kind of air-conditioning refrigerator Linearkompressor, its vibration is low, noise is little and compact structure is ingenious.
A kind of air-conditioning refrigerator Linearkompressor, the compressing mechanism that comprises shell and be contained in the shell and fix by outer casing stand and shell, described compressing mechanism comprises the linear electric motor that piston and driven plunger are moved along its live axle, described compressing mechanism connects shell by dynamic balancer, and described dynamic balancer comprises mover; First elastic member that connects mover and live axle; And second elastic member of connection mover and outer casing stand.
Described mover is spliced by the round platform of two inner chamber hollows, and described mover two ends internal diameter is little, and middle internal diameter is big.The inner chamber of mover hollow can make the live axle that is connected with mover stretch in this inner chamber, more is conducive to the vibration damping of piston in movement process.
As preferably, the inboard of described first elastic member is connected with the live axle of piston, and the outside of first elastic member is connected with the outside of mover.The inboard of described second elastic member is connected with the inboard of mover, and the outside of second elastic member is connected with outer casing stand.
Like this, the operation frequency of dynamic balancer and piston will be consistent, and after the rigidity of designing suitable mover quality and first elastic member and second elastic member, will reduce the vibration of compressor greatly, and accomplish compressor and vibration damping equipment integrated design easily, compact structure is ingenious.
More preferred, the inboard of described first elastic member is connected with the connecting rod that is arranged on driveshaft end, and described connecting rod stretches in the inner chamber of this mover.
Dynamic balancer adopts connecting rod to be embedded in the mover inner chamber of dynamic balancer, and mover is inboard to be connected with second elastic member, and the outside is connected with first elastic member, can make the dynamic balancer compact structure like this, and is easy for installation, and debugging is simple.
Described first elastic member, second elastic member are first leaf spring, can be the swirl arm leaf spring, and as vortex cordis spiral arm leaf spring, eccentric vortex spiral arm leaf spring also can be the linear arm leaf spring.
The diameter of described first elastic member is less than second elastic member.
Fixedly there is clamp device in the described compressing mechanism outside, and described clamp device is fixed on the outer casing stand.Utilize clamp device that compressing mechanism is fixed on the outer casing stand, reduce so that compressing mechanism vibrates in movement process.
Be arranged with second leaf spring on the described live axle.This second leaf spring is mainly used in support piston, is conducive to reduce the friction between piston and the cylinder.This second leaf spring can be the swirl arm leaf spring, also can be the linear arm leaf spring.
The outside of described second leaf spring is fixed on the outer casing stand.Preferably, the outside of described second leaf spring is fixed on the described clamp device.
The outside of described second elastic member is connected and fixed ring, and this retaining ring connects outer casing stand.Described retaining ring is for more advantageously fixing second elastic member, so that it is subjected to the favourable support of retaining ring and reduces Oscillation Amplitude in vibration processes.When fixedly there was clamp device in the compressing mechanism outside, this retaining ring can be connected on the described clamp device.
In order to reduce the dry friction between the second leaf spring flaggy, fixedly there is inner washer the inboard of described second leaf spring, and fixedly there is outer washer in the outside.
Described linear electric motor comprise retaining ring, outer retaining ring, coil and permanent magnet in outer yoke, interior yoke, the interior yoke, be installed on the permanent magnet support of fixedlying connected with piston and the supporting frame that supports interior yoke on the outer casing stand, interior yoke is enclosed within on the supporting frame, and interior yoke two ends are clamped by the outer retaining ring of retaining ring and interior yoke in the interior yoke that is fixed on the supporting frame respectively; Be with permanent magnet on the permanent magnet support; Outer yoke is arranged on outside the permanent magnet, is nested with coil in the outer yoke.When fixedly there was clamp device in the compressing mechanism outside, outer yoke utilized clamp device to fix.
Interior yoke and outer yoke are piled up by silicon steel plate and form ring-type of coiled.
When passing to Ac, coil can interior yoke and outside produce alternating magnetic fields in the annulus gap of yoke coiled, thereby make permanent magnet be subjected to the axial reciprocating force of alternation, the permanent magnet utilization permanent magnet support of fixedlying connected with piston drives piston and does axially reciprocating then.
Described linear electric motor are moving-magnetic type linear motor, and dynamic coil linear motor or moving-iron type linear motor are equally applicable to the present invention.Linear electric motor provide axial reciprocating force for piston, thereby promote piston pressurized gas acting in cylinder.
Among the present invention, the inboard refers to a side of certain member adjacent piston live axle, the outside refer to certain member away from the piston actuated axle one side of adjacent housings.Described member comprises first elastic member, second elastic member, mover, second leaf spring.
Beneficial effect compared with prior art:
1) the present invention can be applicable in air-conditioning or the refrigerator refrigerating device, the present invention can reduce the vibration of compressor greatly, vibration is output as zero under the theoretical case, and consumption of compressor does not almost increase, in the time of energy-conserving and environment-protective, can provide a quiet more comfortable job and living environment to people.
2) the present invention adopts full leaf spring to support, and is conducive to the integrated design of vibration damping equipment and Linearkompressor, the implementation structure compactness; Be conducive to guarantee the coaxality of piston and dynamic balancer mover, reduce to take place between piston and the cylinder risk of frictional impact.
3) dynamic balancer employing connecting rod is embedded in the dynamic balancer mover and with first elastic member and is connected, wherein the dynamic balancer mover outside is connected with first elastic member, mover is inboard can to make the dynamic balancer compact structure with the second elastic member ways of connecting, easy for installation, debugging is simple.
Description of drawings
Fig. 1 is air-conditioning refrigerator Linearkompressor structural representation of the present invention;
Fig. 2 is the floor map of first elastic member;
Fig. 3 is the floor map of second elastic member;
Fig. 4 is the structural representation of dynamic balancer mover;
Wherein, 1, shell; 2, left retaining ring; 3, right retaining ring; 4, second leaf spring; 5, outer washer; 6, permanent magnet support; 7, clamp device; 8, outer yoke; 9, coil; 10, annulus gap; 11, outer casing stand; 12, air-valve assembly; 12a, suction valve; 12b, outlet valve; 13, compression chamber; 14, piston; 15, retaining ring in the interior yoke; 16, interior yoke; 17, permanent magnet; 18, the outer retaining ring of interior yoke; 19, inner washer; 20, live axle; 21, connecting rod; 22, mover; 23, first elastic member; 24, nut; 25, second elastic member.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further details, but should understands, below only as exemplary, do not limit the scope of the invention.
With reference to Fig. 1, a kind of air-conditioning refrigerator Linearkompressor comprises the shell 1 of hermetic compressor, be contained in the shell 1 and by outer casing stand 11 and shell 1 fixing compressing mechanism and dynamic balancer, and the air-valve assembly 12 that compressing mechanism is communicated with the external world.This compressing mechanism comprises the linear electric motor that piston 14 in the cylinder, cylinder and driven plunger 14 are moved along its live axle 20, and this compressing mechanism connects shell 1 by dynamic balancer.Outer casing stand 11 is fixed on the shell 1 and has formed the inner chamber of a sealing with shell 1, and outer casing stand 11 is provided with for the clamp device 7 that clamps compressing mechanism.
Linear electric motor comprise retaining ring 15 in outer yoke 8, interior yoke 16, the interior yoke, the outer retaining ring 18 of interior yoke, coil 9 and permanent magnet 17, be installed on the permanent magnet support 6 of fixedlying connected with piston 14 and the supporting frame that supports interior yoke 16 on the outer casing stand 11, interior yoke 16 is enclosed within on the supporting frame, and interior yoke 16 two ends are clamped by the outer retaining ring 18 of retaining ring 15 and interior yoke in the interior yoke that is fixed on the supporting frame respectively; Be with permanent magnet 17 on the permanent magnet support 6; Outer yoke 8 is arranged on outside the permanent magnet 17 and utilizes clamp device 7 fixing, is nested with coil 9 in the outer yoke 8.Wherein, interior yoke 16 and outer yoke 8 are piled up by silicon steel plate and form ring-type of coiled.When passing to Ac, coil 9 can interior yoke 16 and outside produce alternating magnetic fields in the annulus gap 10 of yoke 8 coileds, thereby make permanent magnet 17 be subjected to the axial reciprocating force of alternation, because piston 14 is coupled by permanent magnet support 6 and permanent magnet 17, so the piston 14 that permanent magnet 17 can drive in the cylinder is done axially reciprocating, makes it realize compression and the inflation process of gas in compression chamber 13.Compression chamber 13 is in communication with the outside by air-valve assembly 12, and air-valve assembly 12 comprises suction valve 12a and outlet valve 12b.In breathing process, low-pressure gas is sucked by suction valve 12a; In exhaust process, pressurized gas are discharged by outlet valve 12b.
Dynamic balancer comprises mover 22; First elastic member 23 that connects mover 22 and live axle 20; And second elastic member 25 of connection mover 22 and outer casing stand 11.Wherein, first elastic member 23, second elastic member 25 are first leaf spring, select eccentric vortex spiral arm leaf spring herein for use, and the diameter of first elastic member 23 is less than second elastic member 25, as Fig. 2, shown in Figure 3.
Mover 22 is that the round platform by two inner chamber hollows is spliced, and the two ends internal diameter of mover 22 is little, and middle internal diameter is big, and its structural representation is seen Fig. 4.The inboard of first elastic member 23 is connected with the connecting rod 21 that is arranged on piston 14 live axles 20 ends, and fixing by nut 24, and connecting rod 21 stretches in the inner chamber of mover 22; The outside of first elastic member 23 is connected with the outside of mover 22; The inboard of second elastic member 25 is connected with the inboard of mover 22; The outside of second elastic member 25 is connected with retaining ring, owing to all be connected with second elastic member 25 in two inboards of mover 22, so the retaining ring that definition is connected with second elastic member 25 that is in connecting rod 21 front positions is left retaining ring 2, the retaining ring that is connected with second elastic member 25 that is in connecting rod 21 back-end locations is right retaining ring 3, and left retaining ring 2 and right retaining ring 3 are fixed on the clamp device 7.
Being arranged with second leaf spring, 4, the second leaf springs 4 on the live axle 20 is the swirl arm leaf spring, also can be the linear arm leaf spring.For reducing the dry friction between second leaf spring, 4 flaggies, fixedly there is inner washer 20 inboard of second leaf spring 4, and the outside fixedly has the outside of outer washer 5, the second leaf springs 4 to be installed on the clamp device 7 by outer washer 5.
Claims (10)
1. air-conditioning refrigerator Linearkompressor, the compressing mechanism that comprises shell and be contained in the shell and fix by outer casing stand and shell, described compressing mechanism comprises the linear electric motor that piston and driven plunger are moved along its live axle, it is characterized in that, described compressing mechanism connects shell by dynamic balancer, and described dynamic balancer comprises mover; First elastic member that connects mover and live axle; And second elastic member of connection mover and outer casing stand.
2. air-conditioning refrigerator Linearkompressor according to claim 1 is characterized in that, described mover is spliced by the round platform of two inner chamber hollows, and described mover two ends internal diameter is little, and middle internal diameter is big.
3. air-conditioning refrigerator Linearkompressor according to claim 2 is characterized in that, the inboard of described first elastic member is connected with the live axle of piston, and the outside of first elastic member is connected with the outside of described mover.
4. air-conditioning refrigerator Linearkompressor according to claim 3 is characterized in that, the inboard of described first elastic member is connected with the connecting rod that is arranged on driveshaft end, and described connecting rod stretches in the inner chamber of described mover.
5. air-conditioning refrigerator Linearkompressor according to claim 2 is characterized in that, the inboard of described second elastic member is connected with the inboard of mover, and the outside of second elastic member is connected with outer casing stand.
6. air-conditioning refrigerator Linearkompressor according to claim 5 is characterized in that, the outside of described second elastic member is connected and fixed ring, and this retaining ring connects outer casing stand.
7. air-conditioning refrigerator Linearkompressor according to claim 1 is characterized in that, described first elastic member, second elastic member are first leaf spring.
8. air-conditioning refrigerator Linearkompressor according to claim 1 is characterized in that, is arranged with second leaf spring on the described live axle.
9. air-conditioning refrigerator Linearkompressor according to claim 8 is characterized in that, fixedly there is inner washer the inboard of described second leaf spring, and fixedly there is outer washer in the outside.
10. air-conditioning refrigerator Linearkompressor according to claim 1, it is characterized in that, described linear electric motor comprise retaining ring in outer yoke, interior yoke, the interior yoke, the outer retaining ring of interior yoke, coil and permanent magnet, be installed on the permanent magnet support of fixedlying connected with piston and the supporting frame that supports interior yoke on the outer casing stand, interior yoke is enclosed within on the supporting frame, and interior yoke two ends are clamped by the outer retaining ring of retaining ring and interior yoke in the interior yoke that is fixed on the supporting frame respectively; Be with permanent magnet on the permanent magnet support; Outer yoke is arranged on outside the permanent magnet, is nested with coil in the outer yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135434.8A CN103256203B (en) | 2013-04-17 | 2013-04-17 | A kind of air-conditioning refrigerator Linearkompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135434.8A CN103256203B (en) | 2013-04-17 | 2013-04-17 | A kind of air-conditioning refrigerator Linearkompressor |
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| CN103256203A true CN103256203A (en) | 2013-08-21 |
| CN103256203B CN103256203B (en) | 2015-07-29 |
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| CN201310135434.8A Expired - Fee Related CN103256203B (en) | 2013-04-17 | 2013-04-17 | A kind of air-conditioning refrigerator Linearkompressor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762816B (en) * | 2014-01-23 | 2016-06-01 | 中国电子科技集团公司第十六研究所 | Sterlin refrigerator moving-magnetic type linear motor |
| CN105805201A (en) * | 2014-12-29 | 2016-07-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Plate spring, elastic support and compressor |
| EP3054188A4 (en) * | 2013-09-30 | 2016-11-02 | Green Refrigeration Equipment Engineering Res Ct Of Zhuhai Gree Co Ltd | Leaf spring, leaf spring group, and compressor |
| CN107387362A (en) * | 2017-05-31 | 2017-11-24 | 青岛海尔智能技术研发有限公司 | Volume adjustable linear compressor and its control method |
| CN108173409A (en) * | 2017-12-28 | 2018-06-15 | 陕西仙童科技有限公司 | A kind of Linearkompressor using moving-magnetic type linear motor |
| CN108233668A (en) * | 2018-02-22 | 2018-06-29 | 方舟 | A kind of moving-magnetic type linear motor |
| CN116006608A (en) * | 2021-10-22 | 2023-04-25 | 中国科学院理化技术研究所 | Leaf spring assembly, linear motor and linear compressor |
| CN116733714A (en) * | 2023-08-08 | 2023-09-12 | 瑞纳智能设备股份有限公司 | Compressor power component and linear compressor |
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| CN107387362A (en) * | 2017-05-31 | 2017-11-24 | 青岛海尔智能技术研发有限公司 | Volume adjustable linear compressor and its control method |
| CN108173409A (en) * | 2017-12-28 | 2018-06-15 | 陕西仙童科技有限公司 | A kind of Linearkompressor using moving-magnetic type linear motor |
| CN108233668A (en) * | 2018-02-22 | 2018-06-29 | 方舟 | A kind of moving-magnetic type linear motor |
| CN116006608A (en) * | 2021-10-22 | 2023-04-25 | 中国科学院理化技术研究所 | Leaf spring assembly, linear motor and linear compressor |
| CN116733714A (en) * | 2023-08-08 | 2023-09-12 | 瑞纳智能设备股份有限公司 | Compressor power component and linear compressor |
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