CN105351195B - Middle back pressure compressor and there is its air conditioner, Teat pump boiler - Google Patents
Middle back pressure compressor and there is its air conditioner, Teat pump boiler Download PDFInfo
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- CN105351195B CN105351195B CN201510781398.1A CN201510781398A CN105351195B CN 105351195 B CN105351195 B CN 105351195B CN 201510781398 A CN201510781398 A CN 201510781398A CN 105351195 B CN105351195 B CN 105351195B
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Abstract
The present invention relates to a kind of middle back pressure compressor, there is its air conditioner and Teat pump boiler, the compressor includes housing and cylinder, the cylinder includes low-pressure stage cylinder and hiigh pressure stage cylinder, mutual disconnected oil sump chamber and middle pressure chamber are provided with the housing, the exhaust outlet of the low-pressure stage cylinder connects with medium pressure chamber, the air entry of the hiigh pressure stage cylinder connects with medium pressure chamber, and the exhaust outlet of the hiigh pressure stage cylinder connects with the oil sump chamber.In middle back pressure compressor provided by the invention, by making the exhaust outlet of the hiigh pressure stage cylinder be connected with oil sump chamber so that into hiigh pressure stage cylinder, pump oil is more smooth.
Description
Technical field
The present invention relates to Compressor Technology field, and in particular to a kind of middle back pressure compressor and has its air conditioner and heat
Pump water heater.
Background technology
The design of rolling rotor-type double-stage compressor generally use high back pressure at present, i.e., the gas in housing are height
Pressure, because working chamber is divided to high-low pressure two kinds of working chambers, high pressure is born at the slide plate back of low-pressure stage working chamber, and top is born middle pressure and led
Cause slide plate and the big bad abrasion of generation of roller contact stress.In addition, need to set using the double-stage compressor of high back pressure design
Middle pressure chamber is put, because middle pressure chamber space is limited, causes middle pressure pulsation loss larger, has one to be fixed the performance of double-stage compressor
Ring.When intermediate pressure sets improper or fluctuation, increasing enthalpy may carry refrigerant liquid, make during into high-pressure work cylinder compression
Into situations such as high pressure cylinder operation irregularity, abrasion.But in the case of being pressed in directly using, it is middle pressure that can cause oil sump back pressure, and high
Arbitrarily downgrade cylinder pressure of inspiration(Pi) be it is middle pressure, operating pressure be that high pressure makes the hiigh pressure stage cylinder of double-stage compressor can not normal pump oil.
The content of the invention
In view of this, the present invention in order to solve above-mentioned technical problem at least in part, there is provided one kind can improve compressor
The middle back pressure compressor of operation conditions, while a kind of air conditioner and Teat pump boiler with back pressure compressor in this is provided.
According to the first aspect of the invention, there is provided a kind of middle back pressure compressor, including housing and cylinder, the cylinder include
Low-pressure stage cylinder and hiigh pressure stage cylinder, mutual disconnected oil sump chamber and middle pressure chamber, the low-pressure stage are provided with the housing
The exhaust outlet of cylinder connects with medium pressure chamber, and the air entry of the hiigh pressure stage cylinder connects with medium pressure chamber, the high pressure
The exhaust outlet of level cylinder connects with the oil sump chamber.
Preferably, in the housing, it is provided with dividing plate between hiigh pressure stage cylinder and low-pressure stage cylinder, the dividing plate is by institute
State the compressor inner chamber in housing and be separated into the oil sump chamber and middle pressure chamber.
Preferably, the hiigh pressure stage cylinder is arranged on the oil sump intracavitary, and the low-pressure stage cylinder is arranged on medium pressure
Intracavitary.
Preferably, the housing includes upper shell and lower house, and the lower end of the upper shell and the upper end of lower house are solid
Surely it is connected on the dividing plate.
Preferably, increasing enthalpy pipe is provided with the housing, and the increasing enthalpy pipe connects with medium pressure chamber, for described
Input increasing enthalpy gas in middle pressure chamber.
Preferably, it is provided with discharge chamber on the downside of the hiigh pressure stage cylinder.
Preferably, the discharge chamber connects with the oil sump chamber.
Preferably, lower flange is provided with the downside of the hiigh pressure stage cylinder, under being provided with the downside of the lower flange
Flange plate, the discharge chamber is formed between lower flange and the lower flange cover plate, height is provided with the lower flange cover plate
By-pass prot is pressed, the high pressure by-pass prot connects the discharge chamber with oil sump chamber.
According to the second aspect of the invention, there is provided a kind of air conditioner, be provided with middle back pressure compressor.
According to the third aspect of the invention we, there is provided a kind of Teat pump boiler, be provided with middle back pressure compressor.
In middle back pressure compressor provided by the invention, by making the exhaust outlet of the hiigh pressure stage cylinder be connected with oil sump chamber,
So that pump oil is more smooth into hiigh pressure stage cylinder；Meanwhile by the way that low-pressure stage cylinder, i.e. the second cylinder are arranged on as high pressure
Level cylinder the first cylinder upside so that the second cylinder discharge medium pressure gas be directly entered the housing hollow on the upside of it (in
Press chamber) in, middle pressure chamber space is expanded to greatest extent.
Brief description of the drawings
By the description to the embodiment of the present invention referring to the drawings, above-mentioned and other purpose of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the overall structure diagram of back pressure compressor in the present invention；
Fig. 2 is air current flow conspectus in middle back pressure compressor in the present invention.
Embodiment
Various embodiments of the present invention are more fully described hereinafter with reference to accompanying drawing.In various figures, identical element
Represented using same or similar reference.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.
Middle back pressure compressor in the application is compound compressor, including multiple cylinders, multiple cylinders include low-pressure stage gas
Cylinder and hiigh pressure stage cylinder, low-pressure stage cylinder obtain medium pressure gas after being compressed to gas, medium pressure gas enters through hiigh pressure stage cylinder
Gases at high pressure discharge is obtained after the compression of one step.Below to be provided with two cylinders, i.e. a low-pressure stage cylinder and a hiigh pressure stage
The concrete structure of the rotary compressor of the application is introduced in case of cylinder.
As shown in figure 1, the compressor includes housing 1, motor 2, cylinder 3 and knockout 4, the motor 2 and cylinder 3 are set
Put in the housing 1, the knockout 4 is arranged on outside housing 1, and the motor 2 is connected with cylinder 3, for for cylinder 3
Power is provided, gas enters in the cylinder 3 through knockout 4, and turning into gases at high pressure after the compression of cylinder 3 discharges.
The motor 2 is located at the upside of the cylinder 3, and the motor 2 includes stator and rotor, in the radial direction of the rotor
Inner side is provided with main shaft 5, and the rotor can drive the main shaft 5 to rotate, and the bottom of the main shaft 5 is bent axle 51, the song
Axle 51 coordinates with cylinder 3, realizes the compression to gas.
The cylinder 3 includes the first cylinder 31 and the second cylinder 32, wherein the first cylinder 31 is hiigh pressure stage cylinder, the second gas
Cylinder 32 is low-pressure stage cylinder.The cylinder 32 of first cylinder 31 and second is disposed adjacent, and the first cylinder 31 is arranged on the second gas
The downside of cylinder 32.In the housing 1, dividing plate 11 is provided between the first cylinder 31 and the second cylinder 32, the dividing plate 11 will
Compressor inner chamber in housing 1 is separated into two mutually isolated chambers, i.e., positioned at the oil sump chamber 12 of downside and in upside
Press chamber 13.The first cylinder 31 wherein as hiigh pressure stage cylinder is arranged in the oil sump chamber 12, and as low-pressure stage cylinder
Two cylinders 32 are arranged in medium pressure chamber 13.
In a preferred embodiment, the housing 1 includes upper shell 14 and lower house 15, the upper shell 14 and lower casing
Body 15 is all formed as tubular.The lower end of upper shell 14 and the upper end of lower house 15 are fixedly connected with the dividing plate 11.It is described
It is detachably connected and is connected and sealed by screw etc. between upper shell 14, lower house 15 and dividing plate 11, it is preferable that on described
Sealing gasket is provided between housing 14, lower house 15 and dividing plate 11.The upper end of the upper shell 14 is provided with lid 16, in institute
The lower end for stating lower house 15 is provided with lower cover 17.The oil sump chamber 12 is formed between the dividing plate 11, lower house 15 and lower cover 17；
Medium pressure chamber 13 is formed between the dividing plate 11, upper shell 14 and upper lid 16.This structure facilitates process and assemble.
As shown in figure 1, increasing enthalpy pipe 6 is provided with the side wall of the upper shell 14, the increasing enthalpy pipe 6 and medium pressure chamber
13 connections, the increasing enthalpy pipe 6 are used to input increasing enthalpy gas into medium pressure chamber 13.
Second cylinder 32 is arranged on the upside of dividing plate 11, the downside of motor 2, the second cylinder 32 cylinder side wall and
The second cylinder air entry (not shown) is provided with corresponding housing 1.The gas delivery port of the knockout 4 and described the
Two cylinder air entries are connected so that can enter from the gas of the knockout 4 input and one is carried out in second cylinder 32
Level compression.The second cylinder exhaust port is provided with casing wall of second cylinder 32 towards medium pressure chamber 13 (in figure not show
Go out), the gas (medium pressure gas) after the compression of the second cylinder 32 is directly entered in medium pressure chamber 13.Medium pressure gas and warp
Increasing enthalpy pipe 6 enters the increasing enthalpy gas in middle pressure chamber 13 and mixed in middle pressure chamber 13, so, is in the middle pressure chamber 13 in housing 1
One-level is vented the mixing medium pressure gas with increasing enthalpy gas, therefore the compressor in the application can be described as middle back pressure compressor.It is this
Structure expands the space of middle pressure chamber to greatest extent, is advantageous to gas pressure held stationary in middle pressure chamber.
First cylinder 31 is arranged on the downside of the dividing plate 11, the upside of oil sump chamber 12.In the gas of dividing plate 11 and second
The first cylinder air intake passage (not shown) is provided with cylinder 32, first cylinder 31 passes through the first cylinder air intake passage
Suck one-level exhaust and the mixing medium pressure gas of increasing enthalpy gas.In a preferred embodiment, under first cylinder 31
Side is provided with discharge chamber 33, and the gases at high pressure after first cylinder 31 compression are discharged into the discharge chamber 33.In the housing 1
On be provided with blast pipe 7, the discharge chamber 33 is connected with blast pipe 7.Gases at high pressure after first cylinder 31 compression
Compressor is discharged by the blast pipe 7.Preferably, the downside of first cylinder 31 is provided with lower flange 34, under described
The downside of flange 34 is provided with lower flange cover plate 35, and the discharge chamber is formed between the lower flange 34 and lower flange cover plate 35
33.Preferably, it is provided with high pressure by-pass prot 351 on the lower flange cover plate 35, the high pressure by-pass prot 351 is by the exhaust
Chamber 33 connects with oil sump chamber 12.It so may be such that the lubricating oil in the oil sump chamber 12 obtains pump oil pressure, in high-pressure pump oil pressure
In the presence of power, lubricating oil is pumped into hiigh pressure stage cylinder, i.e., in the first cylinder 31, in solution back pressure compressor hiigh pressure stage cylinder without
The situation of method pump oil.
As shown in Fig. 2 route shown in arrow is the gas flow path line in the compressor in the application in Fig. 2.Gas
Entered by knockout 4 through the second cylinder air entry and one stage of compression is carried out in second cylinder 32, compressed through the second cylinder 32
Gas (medium pressure gas) afterwards is upwardly into medium pressure chamber 13, then with entering through described through increasing enthalpy pipe 6 in middle pressure chamber 13
Increasing enthalpy gas mix in the middle pressure chamber 13, the mixed gas after mixing, which enters in first cylinder 31, is further pressed
Contracting, the gases at high pressure of acquisition enter in discharge chamber 33, and are discharged through the blast pipe 7；Partial high pressure in discharge chamber 33 simultaneously
Gas enters in the oil sump chamber 12 through the high pressure by-pass prot 351 so that the lubricating oil in the oil sump chamber 12 can be pumped into
In first cylinder 31, improve the oil pump problem of hiigh pressure stage cylinder, i.e. the first cylinder 31.
In the application, by the way that low-pressure stage cylinder, i.e. the second cylinder 32 are arranged on into the upside of the first cylinder 31 so that second
The medium pressure gas that cylinder 32 is discharged is directly entered in the housing hollow on the upside of it, expands middle pressure chamber space to greatest extent；Together
When, by setting the high pressure by-pass prot 351 so that the air pressure in oil sump chamber 12 is high pressure, is easy to the pump into hiigh pressure stage cylinder
Oil.
It should be noted that in this application, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.
Unless otherwise defined, technology used herein and scientific terminology and the those skilled in the art of the present invention
The implication being generally understood that is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limitation is originally
Invention.Terms such as herein presented " parts " can both represent single part, can also represent the group of multiple parts
Close.The term such as herein presented " installation ", " setting " can both represent that a part was attached directly to another part,
It can also represent that a part is attached to another part by middleware.The feature described in one embodiment herein
Another embodiment can be applied in combination individually or with further feature, unless this feature is in another embodiment
In do not apply to or be otherwise noted.
The present invention is illustrated by above-mentioned embodiment, but it is to be understood that, above-mentioned embodiment is
For the purpose illustrated and illustrated, and it is not intended to limit the invention in the range of described embodiment.Art technology
Personnel are it is understood that can also make more kinds of variants and modifications according to the teachings of the present invention, these variants and modifications
All fall within scope of the present invention.
Claims (10)
1. a kind of middle back pressure compressor, including housing (1) and cylinder (3), it is characterised in that the cylinder (3) includes low-pressure stage
Cylinder (32) and hiigh pressure stage cylinder (31), mutual disconnected oil sump chamber (12) and middle pressure chamber are provided with the housing (1)
(13), the exhaust outlet of the low-pressure stage cylinder (32) connects with medium pressure chamber (13), the air-breathing of the hiigh pressure stage cylinder (31)
Mouth connects with medium pressure chamber (13), and the exhaust outlet of the hiigh pressure stage cylinder (31) connects with the oil sump chamber (12).
2. middle back pressure compressor according to claim 1, it is characterised in that in the housing (1), hiigh pressure stage cylinder
(31) dividing plate (11) is provided between low-pressure stage cylinder (32), the dividing plate (11) is by the compressor in the housing (1)
Chamber is separated into the oil sump chamber (12) and middle pressure chamber (13).
3. middle back pressure compressor according to claim 2, it is characterised in that the hiigh pressure stage cylinder (31) is arranged on described
In oil sump chamber (12), the low-pressure stage cylinder is arranged in medium pressure chamber (13).
4. middle back pressure compressor according to claim 2, it is characterised in that the housing (1) include upper shell (14) and
Lower house (15), the lower end of the upper shell (14) and the upper end of lower house (15) are fixedly connected with the dividing plate (11).
5. middle back pressure compressor according to claim 1, it is characterised in that be provided with increasing enthalpy pipe on the housing (1)
(6), the increasing enthalpy pipe (6) connects with medium pressure chamber (13), for the input increasing enthalpy gas into medium pressure chamber (13).
6. middle back pressure compressor according to claim 1, it is characterised in that set on the downside of the hiigh pressure stage cylinder (31)
It is equipped with discharge chamber (33).
7. middle back pressure compressor according to claim 6, it is characterised in that the discharge chamber (33) and the oil sump chamber
(12) connect.
8. middle back pressure compressor according to claim 6, it is characterised in that set on the downside of the hiigh pressure stage cylinder (31)
Be equipped with lower flange (34), be provided with lower flange cover plate (35) on the downside of the lower flange (34), the lower flange (34) and under
The discharge chamber (33) is formed between flange plate (35), high pressure by-pass prot is provided with the lower flange cover plate (35)
(351), the high pressure by-pass prot (351) connects the discharge chamber (33) with oil sump chamber (12).
9. a kind of air conditioner, it is characterised in that be provided with the middle back pressure compressor described in claim any one of 1-8.
10. a kind of Teat pump boiler, it is characterised in that be provided with the middle back pressure compressor described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781398.1A CN105351195B (en) | 2015-11-13 | 2015-11-13 | Middle back pressure compressor and there is its air conditioner, Teat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781398.1A CN105351195B (en) | 2015-11-13 | 2015-11-13 | Middle back pressure compressor and there is its air conditioner, Teat pump boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351195A CN105351195A (en) | 2016-02-24 |
| CN105351195B true CN105351195B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510781398.1A Active CN105351195B (en) | 2015-11-13 | 2015-11-13 | Middle back pressure compressor and there is its air conditioner, Teat pump boiler |
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| Country | Link |
|---|---|
| CN (1) | CN105351195B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594159A (en) * | 2019-09-06 | 2019-12-20 | 珠海凌达压缩机有限公司 | Compressor exhaust method, compressor and refrigeration system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205154628U (en) * | 2015-11-13 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Well backpressure compressor and have its air conditioner, heat pump water heater |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3490950B2 (en) * | 2000-03-15 | 2004-01-26 | 三洋電機株式会社 | 2-cylinder 2-stage compression type rotary compressor |
| JP3370046B2 (en) * | 2000-03-30 | 2003-01-27 | 三洋電機株式会社 | Multi-stage compressor |
| CN2692379Y (en) * | 2004-03-17 | 2005-04-13 | 上海日立电器有限公司 | Two stage transcylinder rolling piston type compressor |
| KR100763945B1 (en) * | 2006-12-29 | 2007-10-05 | 삼성전자주식회사 | Compressor |
| JP5570917B2 (en) * | 2010-08-31 | 2014-08-13 | 三洋電機株式会社 | Rotary compressor |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205154628U (en) * | 2015-11-13 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Well backpressure compressor and have its air conditioner, heat pump water heater |
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| Publication number | Publication date |
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| CN105351195A (en) | 2016-02-24 |
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Effective date of registration: 20181126 Address after: 519070, Jinji Hill Road, front hill, Zhuhai, Guangdong Co-patentee after: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070 9 Building (Science and technology building) 789 Jinji Road, Qianshan, Zhuhai, Guangdong Patentee before: Zhuhai Gree Energy Saving & Refrigerating Technology Resarch Center Co., Ltd. |