CN105332888A - Compressor and air conditioner with same - Google Patents

Compressor and air conditioner with same Download PDF

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Publication number
CN105332888A
CN105332888A CN201410351283.4A CN201410351283A CN105332888A CN 105332888 A CN105332888 A CN 105332888A CN 201410351283 A CN201410351283 A CN 201410351283A CN 105332888 A CN105332888 A CN 105332888A
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CN
China
Prior art keywords
cylinder
low pressure
compressor
flange
pressure
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
CN201410351283.4A
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Chinese (zh)
Inventor
邹鹏
黄辉
胡余生
魏会军
杨欧翔
王相
任丽萍
朱红伟
梁社兵
吴健
罗惠芳
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.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Original Assignee
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center 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 Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd filed Critical Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority to CN201410351283.4A priority Critical patent/CN105332888A/en
Publication of CN105332888A publication Critical patent/CN105332888A/en
Pending legal-status Critical Current

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Abstract

The invention provides a compressor. The compressor comprises a high-pressure cylinder, a first low-pressure cylinder, a second low-pressure cylinder, a first crankshaft and a second crankshaft. The first crankshaft and the second crankshaft are both arranged on a motor rotor of the compressor and are coaxially arranged. The first crankshaft penetrates the high-pressure cylinder. The second crankshaft penetrates the first low-pressure cylinder and the second low-pressure cylinder. A partition plate is arranged between the first low-pressure cylinder and the second low-pressure cylinder. A low-pressure-level pump body assembly is formed by the first low-pressure cylinder, the partition plate and the second low-pressure cylinder. The first low-pressure cylinder and the second low-pressure cylinder are both used as first-level compression cylinders. The high-pressure cylinder is used as a second-level compression cylinder. A cavity formed by the portion, between the low-pressure-level pump body assembly and the high-pressure cylinder, of a shell of the compressor is used as a first middle cavity. Exhausted gas of the first low-pressure cylinder and exhausted gas of the second low-pressure cylinder both enter the first middle cavity. The invention further relates to an air conditioner. By means of the compressor and the air conditioner with the compressor, the length of the crankshafts is reduced, the volume of a gas supplying and enthalpy adding medium-pressure cavity is increased, and the energy efficiency and reliability of the compressor are improved.

Description

Compressor and there is its air conditioner
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of Dual-level enthalpy adding compressor and there is its air conditioner.
Background technique
Existing three cylinder two-stage enthalpy increasing frequency-changeable compressors belong to the compressor of high back pressure structure, there is following problem: 1, owing to being integrated with three cylinders in a pump housing, and along with the increase of discharge capacity, the height of cylinder can be increased gradually, therefore the span between bent axle three eccentric circles can progressively increase, and finally causes bent axle long and reduces the reliability of complete machine.2, tonifying Qi increases in enthalpy the restriction of volume by structure of pressing chamber, and this volume affects compressor performance.3, the more difficult operating mode being applicable to high exhaust pressure.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of compressor and there is its air conditioner, which reduce the length of bent axle, increase tonifying Qi and increase the volume of pressing chamber in enthalpy, improve efficiency and the reliability of compressor.For achieving the above object, technological scheme of the present invention is as follows:
A kind of compressor, comprise high-pressure cylinder, first low pressure (LP) cylinder, second low pressure (LP) cylinder, first bent axle and the second bent axle, the rotor that described first bent axle and described second bent axle are installed in described compressor is coaxially arranged, described first bent axle runs through described high-pressure cylinder, described second bent axle runs through described first low pressure (LP) cylinder and described second low pressure (LP) cylinder respectively, dividing plate is provided with between described first low pressure (LP) cylinder and described second low pressure (LP) cylinder, described first low pressure (LP) cylinder, described dividing plate and described second low pressure (LP) cylinder form low pressure stage pump assembly, described first low pressure (LP) cylinder and described second low pressure (LP) cylinder are all as first order compression cylinder, described high-pressure cylinder is as second level compression cylinder, the cavity that the housing of the described compressor between described low pressure stage pump assembly and described high-pressure cylinder is formed, as the first intermediate cavity, enters the intakeport of described high-pressure cylinder after the refrigerant after described first low pressure (LP) cylinder and described second low pressure (LP) cylinder compression mixes in described first intermediate cavity.
Wherein in an embodiment, the sidewall of described first intermediate cavity is provided with tonifying Qi and increases enthalpy mouth.
Wherein in an embodiment, described tonifying Qi increases enthalpy mouth and arranges on the housing, is placed in the sidepiece of the motor stator of described compressor, is provided with gap between described motor stator and described housing.
Wherein in an embodiment, described dividing plate is provided with refrigerant circulation passage.
Wherein in an embodiment, described refrigerant circulation passage comprises groove and through hole, and described groove is arranged on the end face of described dividing plate, and described through hole is arranged on the bottom of described groove, and described through hole is connected with described groove.
Wherein in an embodiment, described refrigerant circulation passage is straight hole, and described straight hole is arranged on the end face of described dividing plate.
Wherein in an embodiment, described compressor also comprises the first flange, the second flange, three-flange and the 4th flange, described first flange and described second flange are placed in the both sides of described high-pressure cylinder respectively, and described three-flange and described 4th flange are placed in the both sides of described low pressure stage pump assembly respectively.
Wherein in an embodiment, described compressor also comprises the first cover plate and the second cover plate, described first cover plate is arranged on the end of described three-flange, form the second intermediate cavity between described first cover plate and described three-flange, described second intermediate cavity is connected with described first intermediate cavity with the relief opening of described first low pressure (LP) cylinder respectively; Described second cover plate is arranged on the end of described 4th flange, forms the 3rd intermediate cavity between described second cover plate and described 4th flange, and described 3rd intermediate cavity is connected with described second intermediate cavity with the relief opening of described second low pressure (LP) cylinder respectively.
Also relate to a kind of air conditioner, described air conditioner comprises the described compressor of above-mentioned arbitrary technological scheme.
The invention has the beneficial effects as follows:
Compressor of the present invention and have its air conditioner, adopts two bent axles, low pressure stage pump assembly and high pressure stage pump assembly is assembled respectively, thus reduce the length of bent axle, improve the reliability of compressor; The cavity adopting the housing of the compressor between low pressure stage pump assembly and high-pressure cylinder to be formed is as the first intermediate cavity (tonifying Qi increase in enthalpy press chamber), tonifying Qi being increased enthalpy refrigerant is directly injected in the housing of compressor, increase tonifying Qi and increase the volume of pressing chamber in enthalpy, improve the efficiency of compressor; Tonifying Qi increases the motor stator sidepiece that enthalpy mouth is arranged on compressor, and tonifying Qi increases enthalpy coolant injection on the silicon steel plate of motor stator, can be used for cooling motor simultaneously, further increasing the Performance And Reliability of compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of compressor one embodiment of the present invention;
Fig. 2 is the structural representation of another mode of execution of compressor of the present invention;
Fig. 3 is the structural representation of the embodiment of dividing plate one shown in Fig. 1.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, compressor of the present invention and the air conditioner with it are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Referring to figs. 1 through Fig. 3, compressor one embodiment of the present invention comprises high-pressure cylinder 2, first low pressure (LP) cylinder 19, second low pressure (LP) cylinder 15, first bent axle 22, second bent axle 8, motor 7, first flange 1, second flange 4, three-flange 10, 4th flange 16, first cover plate 9 and the second cover plate 17, wherein, motor 7 comprises rotor 71 and motor stator 72, motor 7 is connected to the electrical appliance kit 6 be arranged on housing 23 by power line 5, the rotor 71 that first bent axle 22 and the second bent axle 8 are installed in compressor is coaxially arranged, first bent axle 22, second bent axle 8 and rotor 71 synchronous rotary.First bent axle 22 runs through high-pressure cylinder 2, second bent axle 8 runs through the first low pressure (LP) cylinder 19 and the second low pressure (LP) cylinder 15 respectively, dividing plate 12 is provided with between first low pressure (LP) cylinder 19 and the second low pressure (LP) cylinder 15, first low pressure (LP) cylinder 19, dividing plate 12 and the second low pressure (LP) cylinder 15 form low pressure stage pump assembly, and the first flange 1, high-pressure cylinder 2, second flange 4 and the first bent axle 22 are combined into high pressure stage pump assembly; Arrange in first low pressure (LP) cylinder 19 in first roller 20 and the first slide plate 11, second low pressure (LP) cylinder 15 and second roller 13 and the second slide plate 14 is set; First low pressure (LP) cylinder 19 and the second low pressure (LP) cylinder 15 are all as first order compression cylinder, and high-pressure cylinder 2 is as second level compression cylinder.
First flange 1 and the second flange 4 are placed in the both sides of high-pressure cylinder 2 respectively, and wherein, the first flange 1 is arranged on the upside of high-pressure cylinder 2, and the second flange 4 is arranged on the downside of high-pressure cylinder 2.Three-flange 10 and the 4th flange 16 are placed in the both sides of low pressure stage pump assembly respectively, and wherein, three-flange 10 is placed in the upper end portion of the first low pressure (LP) cylinder 19, and the 4th flange 16 is placed in the underpart of the second low pressure (LP) cylinder 15.
The cavity that the housing 23 of the compressor between low pressure stage pump assembly and high-pressure cylinder 2 is formed is as the first intermediate cavity, the sidewall of described first intermediate cavity is provided with tonifying Qi and increases enthalpy mouth, tonifying Qi increases enthalpy mouth and connects increasing enthalpy pipe 21, first cover plate 9 is arranged on the upper end portion of three-flange 10, form the second intermediate cavity 91, the second intermediate cavity 91 between first cover plate 9 and three-flange 10 to be connected with described first intermediate cavity with the relief opening of the first low pressure (LP) cylinder 19 respectively; Second cover plate 17 is arranged on the underpart of the 4th flange 16, and in the middle of forming the 3rd intermediate cavity the 171, three between the second cover plate 17 and the 4th flange 16,171 chambeies are connected with the second intermediate cavity 91 with the relief opening of the second low pressure (LP) cylinder 15 respectively.
As a kind of embodiment, it is also be arranged on the housing 23 of compressor that tonifying Qi increases enthalpy mouth, but is placed in the sidepiece of the motor stator 72 of compressor, and as shown in Figure 2, the difference of Fig. 2 and Fig. 1 is only that the position of tonifying Qi increasing enthalpy mouth is different.Be provided with gap between motor stator 72 and housing 23, thus make tonifying Qi increase enthalpy coolant injection on the silicon steel plate of motor stator, can be used for cooling motor simultaneously, further increasing the Performance And Reliability of compressor.
As a kind of embodiment, dividing plate 12 is provided with refrigerant circulation passage.Described refrigerant circulation passage comprises groove and through hole, and described groove is arranged on the end face of dividing plate 12, and described through hole is arranged on the bottom of described groove, and described through hole is connected with described groove.Or described refrigerant circulation passage is straight hole, and described straight hole can be circular port, be also grooved hole 24, as shown in Figure 3, grooved hole is arranged on the end face of dividing plate 12.Dividing plate 12 increases refrigerant circulation passage (as groove, hole etc., not limit shape) so that refrigerant flows at pump body.
Refrigerant current intelligence in compressor is as follows: after built-in motor 7 is energized, the first bent axle 22 and the second bent axle 8 High Rotation Speed is simultaneously driven under the effect of magnetic pull, low pressure refrigerant enters the first low pressure (LP) cylinder 19 and the second low pressure (LP) cylinder 15 from sucking pipe 18, low pressure stage pump assembly is discharged in the first intermediate cavity after the refrigerant of low-temp low-pressure is compressed to medium temperature and medium pressure, the refrigerant spurting into medium temperature and medium pressure from increasing enthalpy pipe 21 mixes in the first intermediate cavity with the refrigerant after the first order is compressed, the refrigerant of medium temperature and medium pressure is spurted into for reducing the refrigerant temperature after first order compression and increase mass flow rate from increasing enthalpy pipe 21, finally mix the intakeport that refrigerant enters high-pressure cylinder 2, compressor is discharged from outlet pipe 3 after high-pressure cylinder 2 carries out two-stage compression.
The invention still further relates to a kind of air conditioner, comprise the compressor of above-mentioned arbitrary technological scheme, because air conditioner is prior art except described compressor, repeat no longer one by one herein.
The compressor of above embodiment and have its air conditioner, adopts two bent axles, low pressure stage pump assembly and high pressure stage pump assembly is assembled respectively, thus reduce the length of bent axle, improve the reliability of compressor; The cavity adopting the housing of the compressor between low pressure stage pump assembly and high-pressure cylinder to be formed is as the first intermediate cavity (tonifying Qi increase in enthalpy press chamber), tonifying Qi being increased enthalpy refrigerant is directly injected in the housing of compressor, increase tonifying Qi and increase the volume of pressing chamber in enthalpy, improve the efficiency of compressor; Tonifying Qi increases the motor stator sidepiece that enthalpy mouth is arranged on compressor, and tonifying Qi increases enthalpy coolant injection on the silicon steel plate of motor stator, can be used for cooling motor simultaneously, further increasing the Performance And Reliability of compressor.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (9)

1. a compressor, is characterized in that:
Comprise high-pressure cylinder, first low pressure (LP) cylinder, second low pressure (LP) cylinder, first bent axle and the second bent axle, the rotor that described first bent axle and described second bent axle are installed in described compressor is coaxially arranged, described first bent axle runs through described high-pressure cylinder, described second bent axle runs through described first low pressure (LP) cylinder and described second low pressure (LP) cylinder respectively, dividing plate is provided with between described first low pressure (LP) cylinder and described second low pressure (LP) cylinder, described first low pressure (LP) cylinder, described dividing plate and described second low pressure (LP) cylinder form low pressure stage pump assembly, described first low pressure (LP) cylinder and described second low pressure (LP) cylinder are all as first order compression cylinder, described high-pressure cylinder is as second level compression cylinder, the cavity that the housing of the described compressor between described low pressure stage pump assembly and described high-pressure cylinder is formed, as the first intermediate cavity, enters the intakeport of described high-pressure cylinder after the refrigerant after described first low pressure (LP) cylinder and described second low pressure (LP) cylinder compression mixes in described first intermediate cavity.
2. compressor according to claim 1, is characterized in that:
The sidewall of described first intermediate cavity is provided with tonifying Qi and increases enthalpy mouth.
3. compressor according to claim 2, is characterized in that:
Described tonifying Qi increases enthalpy mouth and arranges on the housing, is placed in the sidepiece of the motor stator of described compressor, is provided with gap between described motor stator and described housing.
4. compressor according to claim 1, is characterized in that:
Described dividing plate is provided with refrigerant circulation passage.
5. compressor according to claim 4, is characterized in that:
Described refrigerant circulation passage comprises groove and through hole, and described groove is arranged on the end face of described dividing plate, and described through hole is arranged on the bottom of described groove, and described through hole is connected with described groove.
6. compressor according to claim 4, is characterized in that:
Described refrigerant circulation passage is straight hole, and described straight hole is arranged on the end face of described dividing plate.
7. the compressor according to any one of claim 1-6, is characterized in that:
Also comprise the first flange, the second flange, three-flange and the 4th flange, described first flange and described second flange are placed in the both sides of described high-pressure cylinder respectively, and described three-flange and described 4th flange are placed in the both sides of described low pressure stage pump assembly respectively.
8. compressor according to claim 7, is characterized in that:
Also comprise the first cover plate and the second cover plate, described first cover plate is arranged on the end of described three-flange, form the second intermediate cavity between described first cover plate and described three-flange, described second intermediate cavity is connected with described first intermediate cavity with the relief opening of described first low pressure (LP) cylinder respectively; Described second cover plate is arranged on the end of described 4th flange, forms the 3rd intermediate cavity between described second cover plate and described 4th flange, and described 3rd intermediate cavity is connected with described second intermediate cavity with the relief opening of described second low pressure (LP) cylinder respectively.
9. an air conditioner, is characterized in that:
Comprise the compressor described in any one of claim 1-8.
CN201410351283.4A 2014-07-22 2014-07-22 Compressor and air conditioner with same Pending CN105332888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410351283.4A CN105332888A (en) 2014-07-22 2014-07-22 Compressor and air conditioner with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410351283.4A CN105332888A (en) 2014-07-22 2014-07-22 Compressor and air conditioner with same

Publications (1)

Publication Number Publication Date
CN105332888A true CN105332888A (en) 2016-02-17

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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559195A (en) * 2017-10-09 2018-01-09 合肥圣三松冷热技术有限公司 A kind of built-in economizer formula double-stage compressor
CN112145432A (en) * 2020-10-26 2020-12-29 珠海格力节能环保制冷技术研究中心有限公司 Pump body structure and compressor with same
CN112302939A (en) * 2020-10-30 2021-02-02 珠海格力节能环保制冷技术研究中心有限公司 Multistage compressor and air conditioner

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JPS48105105U (en) * 1972-03-08 1973-12-07
US4971529A (en) * 1987-12-24 1990-11-20 Tecumseh Products Company Twin rotary compressor with suction accumulator
JPH0587074A (en) * 1991-07-30 1993-04-06 Mitsubishi Heavy Ind Ltd Two stage compressor
CN1080696A (en) * 1992-07-03 1994-01-12 三菱电机株式会社 Sealed electric compressor with two cylinders and assembling method thereof
JP2008286037A (en) * 2007-05-16 2008-11-27 Fujitsu General Ltd Rotary compressor and heat pump system
JP2010156488A (en) * 2008-12-26 2010-07-15 Daikin Ind Ltd Refrigerating device
EP2253849A1 (en) * 2008-01-29 2010-11-24 Mitsubishi Heavy Industries, Ltd. Hermetic compressor
EP2322804A1 (en) * 2008-09-08 2011-05-18 Mitsubishi Heavy Industries, Ltd. Multiple-stage compressor
EP2339180A1 (en) * 2008-10-24 2011-06-29 Mitsubishi Heavy Industries, Ltd. Multiple-stage compressor
EP2735742A1 (en) * 2011-07-22 2014-05-28 Mitsubishi Heavy Industries, Ltd. Fluid machine
CN204041384U (en) * 2014-07-22 2014-12-24 珠海格力节能环保制冷技术研究中心有限公司 Compressor and there is its air conditioner

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48105105U (en) * 1972-03-08 1973-12-07
US4971529A (en) * 1987-12-24 1990-11-20 Tecumseh Products Company Twin rotary compressor with suction accumulator
JPH0587074A (en) * 1991-07-30 1993-04-06 Mitsubishi Heavy Ind Ltd Two stage compressor
CN1080696A (en) * 1992-07-03 1994-01-12 三菱电机株式会社 Sealed electric compressor with two cylinders and assembling method thereof
JP2008286037A (en) * 2007-05-16 2008-11-27 Fujitsu General Ltd Rotary compressor and heat pump system
EP2253849A1 (en) * 2008-01-29 2010-11-24 Mitsubishi Heavy Industries, Ltd. Hermetic compressor
EP2322804A1 (en) * 2008-09-08 2011-05-18 Mitsubishi Heavy Industries, Ltd. Multiple-stage compressor
EP2339180A1 (en) * 2008-10-24 2011-06-29 Mitsubishi Heavy Industries, Ltd. Multiple-stage compressor
JP2010156488A (en) * 2008-12-26 2010-07-15 Daikin Ind Ltd Refrigerating device
EP2735742A1 (en) * 2011-07-22 2014-05-28 Mitsubishi Heavy Industries, Ltd. Fluid machine
CN204041384U (en) * 2014-07-22 2014-12-24 珠海格力节能环保制冷技术研究中心有限公司 Compressor and there is its air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107559195A (en) * 2017-10-09 2018-01-09 合肥圣三松冷热技术有限公司 A kind of built-in economizer formula double-stage compressor
CN112145432A (en) * 2020-10-26 2020-12-29 珠海格力节能环保制冷技术研究中心有限公司 Pump body structure and compressor with same
CN112302939A (en) * 2020-10-30 2021-02-02 珠海格力节能环保制冷技术研究中心有限公司 Multistage compressor and air conditioner

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