CN103696965A - Rolling rotor compressor - Google Patents
Rolling rotor compressor Download PDFInfo
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- CN103696965A CN103696965A CN201310728565.7A CN201310728565A CN103696965A CN 103696965 A CN103696965 A CN 103696965A CN 201310728565 A CN201310728565 A CN 201310728565A CN 103696965 A CN103696965 A CN 103696965A
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- pump housing
- cover plate
- motor
- rotor
- shielding
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Abstract
The invention discloses a rolling rotor compressor which comprises a shell body in which a motor and a compression pump body are arranged, wherein the motor comprises a stator and a rotor, and drives a rotary shaft of a compressor to rotate; a pump body cover plate is arranged between the motor and the compression pump body, spaces for containing the motor and the compression pump body are formed in the shell body respectively through the pump body cover plate, and the space for containing the compression pump body is a closed high-pressure region; a non-magnetic isolation cover is arranged on the pump body cover plate; the rotor is arranged in a space formed by the isolation cover and the pump body cover plate, and the isolation cover is used for isolating the stator from the rotor. According to the rolling rotor compressor, the stator and the rotor of the motor are isolated from each other, and a refrigerant is discharged to the outside without passing the stator of the motor, so that the service reliability of the refrigerant in the rolling roller compressor is improved.
Description
Technical field
The invention belongs to Compressor Technology field, relate in particular to a kind of by rotor and the isolated rolling rotor type compressor of motor stator.
Background technique
As shown in Figure 1, the closed type rolling rotor type compressor being used on the household electric appliance such as air-conditioning generally includes frame 100, motor, compressor rotation shaft 101, the compression pump housing, gas-liquid separator 102, sucking pipe 103 and outlet pipe 104.Wherein, motor is comprised of stator 105 and rotor 106, and the compression pump housing is communicated with gas-liquid separator 102 through sucking pipe 103.The compression pump housing in compressor plays compressed refrigerant, for sucking and compressed refrigerant, then by the refrigeration agent output of High Temperature High Pressure.The compression pump housing of compressor generally includes cylinder 107, roller 108, upper flange 109, lower flange 110 and slide plate.The compression pump housing is arranged on motor below, be positioned at frame 100 bottoms, upper flange 109 is arranged on the upper end of cylinder 107, lower flange 110 is arranged on the lower end of cylinder 107, roller 108 is arranged in cylinder 107, and roller 108 is fixedly mounted on the eccentric part of compressor rotation shaft 101, under compressor rotation shaft 101 drives, roller 108 rolls along cylinder 107 inwalls, thereby refrigeration agent is compressed.
Then existing rolling rotor type compressor, after the compressed pump body compression of refrigeration agent, first just discharge from being positioned at the outlet pipe at enclosing housing top by elements such as motors in enclosing housing.Because rotor and stator are in together in the high-pressure sealed space in enclosing housing, stator directly contacts with the exhaust of High Temperature High Pressure, the direct Contact Effect of refrigerant of long-term and compressor use capability of overload and the reliability of motor, and the motor stator of compressor dispels the heat by high-temperature exhaust air, electric efficiency is poor.
Summary of the invention
The object of this invention is to provide a kind of electric efficiency that can improve compressor, promote the rolling rotor type compressor of the reliability of special refrigerant application.
To achieve these goals, the present invention takes following technical solution:
Rolling rotor type compressor, establishes motor and the frame that compresses the pump housing in comprising, described motor comprises stator and rotor, and described driven by motor compressor rotation shaft rotates; Described motor and compression are provided with pump housing cover plate between the pump housing, and described pump housing cover plate makes to form respectively and hold motor and hold the space of compress pump housing in frame, described in to hold the space of compress pump housing be the high-pressure area of sealing; On described pump housing cover plate, be provided with not magnetic conduction shielding can, described rotor is positioned at the space of described shielding can and the formation of described pump housing cover plate, and described shielding can separates described stator and rotor.
Further, described frame is comprised of the first housing and the second housing, and described the first housing and the second housing fix with described pump housing cover plate respectively, on the perisporium that is positioned at stator both sides of described the first housing, is provided with radiation hole; Motor is contained in the space of described the first housing and the formation of pump housing cover plate, and the described compression pump housing is contained in the space of described the second housing and the formation of pump housing cover plate.
Further, between described shielding can and described pump housing cover plate, be provided with sealing gasket.
Further, between described the first housing, the second housing and described pump housing cover plate, be provided with sealing gasket.
Further, described the first housing, the second housing fix by bolt and described pump housing cover plate.
Further, described shielding can is stainless steel shielding can or ceramic shielding can or alloy aluminum shielding can.
Further, described rotor is silicon steel plate rotor or magnetic steel rotor.
Further, described pump housing cover plate is secured by bolts on the upper flange of the compression pump housing.
The present invention arranges pump housing cover plate between electrode and the compression pump housing, two holding spaces will be divided in frame, not magnetic conduction shielding can is set on pump housing cover plate, rotor is arranged in the space of shielding can and the formation of pump housing cover plate, motor stator and rotor are kept apart, motor stator and the compression pump housing are in different spaces, High Temperature High Pressure exhaust is without directly discharging through motor stator, realization does not directly contact motor stator object with circulating refrigerant, improves safety in utilization and the reliability of compressor thus.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of compressor in prior art;
Fig. 2 is the structural representation of the embodiment of the present invention 1;
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in more detail.
Embodiment
Embodiment 1
As shown in Figure 2, rotary compressor of the present invention comprises frame 1, is arranged at the motor of frame 1 inside and compresses the pump housing, is arranged at the gas-liquid separator 2 of frame 1 one sides, gas-liquid separator 2 is communicated with the compression pump housing of compressor by intake elbow 3, thereby refrigeration agent is entered the cylinder of compressor from gas-liquid separator 2.For convenience of description, the axial direction with compressor rotation shaft in Fig. 24 defines up and down.
Motor of the present invention comprises and is fixed on frame 1 the stator 1-1 on inwall and is rotatably arranged at the rotor 1-2 in stator 1-1, and compressor rotation shaft 4 is by rotor 1-2 driven rotary.The rotor 1-2 of the present embodiment is silicon steel plate rotor.The compression pump housing is arranged in frame 1, is positioned at below motor.The compression pump housing comprises upper flange 1-3, cylinder 1-4 and the lower flange 1-5 axially installing along compressor rotation shaft 4 successively, in cylinder 1-4, be provided with the roller 1-6 being arranged on compressor rotation shaft 4 eccentric parts, during compressor rotation shaft 4 rotation, drive roller 1-6 to roll refrigeration agent is compressed in cylinder 1-4.
Above upper flange 1-3, be provided with pump housing cover plate 1-7, pump housing cover plate 1-7 plays isolating seal effect, for making the space of frame 1 inner pump cover plate 1-7 below form independently high-pressure area A, compressor pump body is positioned at this high-pressure area A, in the A of high-pressure area, be full of the high pressure gas after compressed pump body compression, on frame 1 sidewall, be provided with and the outlet pipe 6 being communicated with in the A of high-pressure area.As a preferred embodiment of the present invention, frame 1 is by upper shell 11(the first housing) and lower shell body 12(the second housing) form, wherein, upper shell 11 is used to form holding space more than pump housing cover plate 1-7, lower shell body 12 is used to form the holding space below pump housing cover plate 1-7, the pump housing cover plate 1-7 of the present embodiment fixes by bolt and upper flange 1-3, upper shell 11, lower shell body 12 fix with pump housing cover plate 1-7 respectively by bolt, between pump housing cover plate 1-7 and upper shell 11 and lower shell body 12, are provided with sealing gasket 13.On upper shell 11, be processed with radiation hole 11a and lower radiation hole 11b, upper radiation hole 11a is machined on the perisporium of upper shell 11 of stator top, and lower radiation hole 11b is machined on the perisporium of upper shell 11 of pump housing cover plate 1-7 top (that is stator below).Radiation hole is set on frame, to form the passage of a circulation of air, makes the stator of motor in ambient air environment, be conducive to motor radiating.
At pump housing cover plate 1-7 upper surface, the shielding can 1-8 being made by non-magnet_conductible material is installed by bolt, as stainless steel, pottery or alloy aluminum etc., shielding can 1-8 is between stator 1-1 and rotor 1-2, rotor 1-2 is positioned at the space of shielding can 1-8 and pump housing cover plate 1-7 formation, shielding can is for separating stator 1-1 and rotor 1-2 completely, between shielding can 1-8 and pump housing cover plate 1-7, be also provided with sealing gasket 13, to guarantee sealing effect.The present invention arranges shielding can on the one hand for stator and rotor are kept apart mutually, on the other hand, due between compressor rotation shaft and upper flange for motive sealing, the sealing effect of motive sealing is not as the sealing effect of static seal, therefore by the shielding can that adopts static seal is set at rotor, realize the isolation completely of high pressure gas and stator outward.
Below working procedure of the present invention is described further:
During compressor operating, refrigeration agent in gas-liquid separator 2 enters in the cylinder 1-4 of the compression pump housing through intake elbow 3, after electrical power, stator 1-1 produces rotating magnetic field, the magnetic line of force is through shielding can 1-8, rotor driven 1-2 rotates, roller 1-6 rolls along cylinder 1-4 inwall under the drive of compressor rotation shaft 4, thereby compression enters the refrigeration agent in cylinder 1-4 inner chamber, refrigeration agent after compression enters the high-pressure area A of frame 1 inner pump cover plate 1-7 below by exhaust port, high temperature and high pressure gas after compressed pump body compression is isolated in the inner space of pump housing cover plate 1-7 below by pump housing cover plate 1-7, without elements such as motors, directly from outlet pipe 6, discharge.
Embodiment 2
As shown in Figure 3, the compressor of the present embodiment comprises the frame 1 being comprised of upper shell 11 and lower shell body 12, motor and the compression pump housing are set in enclosing housing, motor comprises stator 1-1 and rotor 1-2, the compression pump housing comprises upper flange 1-3, cylinder 1-4 and lower flange 1-5, is provided with the roller 1-6 being arranged on compressor rotation shaft 4 eccentric parts in cylinder 1-4.Pump housing cover plate 1-7 is arranged at upper flange 1-3 top, and it is upper that shielding can 1-8 is fixed on pump housing cover plate 1-7, and stator 1-1 and rotor 1-2 are kept apart, and rotor 1-2 is positioned at the enclosed space of shielding can 1-8.The rotor 1-2 of the present embodiment is magnetic steel rotor, after electrical power, stator produces rotating magnetic field, the magnetic line of force is through shielding can 1-8, drive magnetic steel rotor rotates, and realizes the compression of the pump housing to refrigeration agent, and High Temperature High Pressure exhaust directly discharges by outlet pipe 6 after discharging, the electric machine structure of the present embodiment is compacter, can realize motor and non-magnet_conductible material miniaturization.
From above scheme, the present invention has designed a kind of by motor stator and the isolated compressor of rotor, radiation hole is set on enclosing housing simultaneously, makes motor stator in ambient air environment, be conducive to motor stator heat radiation, can improve the electric efficiency of rolling rotor type compressor; Simultaneously motor stator and refrigerant isolation, promoted special refrigerant as the reliability that R32, R290 apply at rolling rotor type compressor, makes rolling rotor type compressor can better adapt to the use of high temperature, the particularity refrigerant such as inflammable and explosive; And also having improved to a certain extent the General design of compressor complete machine, motor external diameter mates with pump housing external diameter can variation.
Above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that, still can modify or be equal to replacement the specific embodiment of the present invention, therefore, do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the scope of technical solution of the present invention.
Claims (8)
1. rolling rotor type compressor, establishes motor and the frame that compresses the pump housing in comprising, described motor comprises stator and rotor, and described driven by motor compressor rotation shaft rotates;
It is characterized in that:
Described motor and compression are provided with pump housing cover plate between the pump housing, and described pump housing cover plate makes to form respectively and hold motor and hold the space of compress pump housing in frame, described in to hold the space of compress pump housing be the high-pressure area of sealing; On described pump housing cover plate, be provided with not magnetic conduction shielding can, described rotor is positioned at the space of described shielding can and the formation of described pump housing cover plate, and described shielding can separates described stator and rotor.
2. rolling rotor type compressor as claimed in claim 1, it is characterized in that: described frame is comprised of the first housing and the second housing, described the first housing and the second housing fix with described pump housing cover plate respectively, on the perisporium that is positioned at stator both sides of described the first housing, are provided with radiation hole; Motor is contained in the space of described the first housing and the formation of pump housing cover plate, and the described compression pump housing is contained in the space of described the second housing and the formation of pump housing cover plate.
3. the rolling rotor type compressor of stating as claim 1, is characterized in that: between described shielding can and described pump housing cover plate, be provided with sealing gasket.
4. rolling rotor type compressor as claimed in claim 2, is characterized in that: between described the first housing, the second housing and described pump housing cover plate, be provided with sealing gasket.
5. rolling rotor type compressor as claimed in claim 2, is characterized in that: described the first housing, the second housing fix by bolt and described pump housing cover plate.
6. rolling rotor type compressor as claimed in claim 1, is characterized in that: described shielding can is stainless steel shielding can or ceramic shielding can or alloy aluminum shielding can.
7. rolling rotor type compressor as claimed in claim 1, is characterized in that: described rotor is silicon steel plate rotor or magnetic steel rotor.
8. rolling rotor type compressor as claimed in claim 1, is characterized in that: described pump housing cover plate is secured by bolts on the upper flange of the compression pump housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310728565.7A CN103696965A (en) | 2013-12-25 | 2013-12-25 | Rolling rotor compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310728565.7A CN103696965A (en) | 2013-12-25 | 2013-12-25 | Rolling rotor compressor |
Publications (1)
Publication Number | Publication Date |
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CN103696965A true CN103696965A (en) | 2014-04-02 |
Family
ID=50358605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310728565.7A Pending CN103696965A (en) | 2013-12-25 | 2013-12-25 | Rolling rotor compressor |
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CN (1) | CN103696965A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314812A (en) * | 2014-10-11 | 2015-01-28 | 淄博宏润工贸有限公司 | Ceramic air oil-less compressor |
CN107061275A (en) * | 2017-01-24 | 2017-08-18 | 广东美芝制冷设备有限公司 | The slide plate of rotary compressor and the rotary compressor with it, vehicle |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649048A (en) * | 1950-04-06 | 1953-08-18 | Mono Products Inc | Fluid-shielded dynamoelectric device for immersed pumps and the like |
US2906208A (en) * | 1955-07-14 | 1959-09-29 | Fostoria Corp | Motor driven pumps |
US20030161740A1 (en) * | 2002-02-28 | 2003-08-28 | Kimberlin Robert R. | Liner for fluid pump motor |
WO2006123494A1 (en) * | 2005-05-16 | 2006-11-23 | Matsushita Electric Industrial Co., Ltd. | Rotary expansion machine and refrigeration cycle device |
CN101275559A (en) * | 2007-03-27 | 2008-10-01 | 崔炳如 | Rolling rotor type refrigeration compressor |
DE102009032264A1 (en) * | 2009-07-08 | 2011-01-13 | Ritz Pumpenfabrik Gmbh & Co. Kg | Component for pump for transporting oil and gas mixture to deep sea for pressure-resistant electric motor for pressure difference between interiors of electric motor and surrounding, has rotor, stator and single piece pressure shell |
CN102953997A (en) * | 2012-10-26 | 2013-03-06 | 珠海格力电器股份有限公司 | Rotary compressor with compression pump separated from motor |
CN203756532U (en) * | 2013-12-25 | 2014-08-06 | 珠海凌达压缩机有限公司 | Novel rolling rotor compressor |
-
2013
- 2013-12-25 CN CN201310728565.7A patent/CN103696965A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649048A (en) * | 1950-04-06 | 1953-08-18 | Mono Products Inc | Fluid-shielded dynamoelectric device for immersed pumps and the like |
US2906208A (en) * | 1955-07-14 | 1959-09-29 | Fostoria Corp | Motor driven pumps |
US20030161740A1 (en) * | 2002-02-28 | 2003-08-28 | Kimberlin Robert R. | Liner for fluid pump motor |
WO2006123494A1 (en) * | 2005-05-16 | 2006-11-23 | Matsushita Electric Industrial Co., Ltd. | Rotary expansion machine and refrigeration cycle device |
CN101275559A (en) * | 2007-03-27 | 2008-10-01 | 崔炳如 | Rolling rotor type refrigeration compressor |
DE102009032264A1 (en) * | 2009-07-08 | 2011-01-13 | Ritz Pumpenfabrik Gmbh & Co. Kg | Component for pump for transporting oil and gas mixture to deep sea for pressure-resistant electric motor for pressure difference between interiors of electric motor and surrounding, has rotor, stator and single piece pressure shell |
CN102953997A (en) * | 2012-10-26 | 2013-03-06 | 珠海格力电器股份有限公司 | Rotary compressor with compression pump separated from motor |
CN203756532U (en) * | 2013-12-25 | 2014-08-06 | 珠海凌达压缩机有限公司 | Novel rolling rotor compressor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314812A (en) * | 2014-10-11 | 2015-01-28 | 淄博宏润工贸有限公司 | Ceramic air oil-less compressor |
CN107061275A (en) * | 2017-01-24 | 2017-08-18 | 广东美芝制冷设备有限公司 | The slide plate of rotary compressor and the rotary compressor with it, vehicle |
CN107061275B (en) * | 2017-01-24 | 2020-11-24 | 广东美芝制冷设备有限公司 | Slip sheet of rotary compressor, rotary compressor with slip sheet and vehicle |
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Application publication date: 20140402 |