CN102705237B - A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size - Google Patents
A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size Download PDFInfo
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- CN102705237B CN102705237B CN201210129597.0A CN201210129597A CN102705237B CN 102705237 B CN102705237 B CN 102705237B CN 201210129597 A CN201210129597 A CN 201210129597A CN 102705237 B CN102705237 B CN 102705237B
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- chamber
- compression unit
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- compound compressor
- control valve
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 10
- 230000006835 compression Effects 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000005057 refrigeration Methods 0.000 abstract description 9
- 239000003507 refrigerant Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The invention provides and a kind ofly regulate in compound compressor the structure of pressing chamber volume size, comprise one stage of compression unit and two-stage compression unit, low-pressure cavity is established in one stage of compression unit, hyperbaric chamber is established in two-stage compression unit, be provided with in one between one stage of compression unit and two-stage compression unit and press chamber, described middle pressure chamber is connected with intermediate regulations chamber by control valve.When described compound compressor is in refrigerating state, open this control valve, this intermediate regulations chamber is communicated with pressing chamber in this; When described compound compressor is in and heats state, close this control valve, this intermediate regulations chamber and this in press chamber to disconnect.Compound compressor disclosed by the present invention, wherein presses chamber to be connected with intermediate regulations chamber, and automatically controls both break-makes by control valve, make compressor have good refrigeration and heating performance concurrently.
Description
Technical field
The present invention relates to Compressor Technology field, a kind ofly specifically regulate in compound compressor the structure and method thereof of pressing chamber volume size.
Background technique
At present, the structure of compound compressor as shown in Figure 1, it comprises two compression units: one stage of compression unit 10 and two-stage compression unit 20, low-pressure cavity 11 is established in one stage of compression unit 10, establish hyperbaric chamber 21 in two-stage compression unit, be provided with between one stage of compression unit 10 and two-stage compression unit 20 in one and press chamber 30.Wherein, the size of the volume in middle pressure chamber 30 is one of key factors affecting compressor cooling and heating performance.Press chamber 30 as used in large volume, compressor is when freezing, and the pressure and temperature entering the refrigerant gas in middle pressure chamber 30 from injection channel 40 there will not be too large change, and makes compressor have good refrigeration performance; But compressor, when heating, also presses chamber 30 owing to employing in large volume, after causing the gas spraying increasing enthalpy to enter middle pressure chamber 30, its pressure and temperature rise not obvious, and the heating performance of compressor is reduced.Press chamber 30 as used in little volume, otherwise then, compressor has good heating performance and causes refrigeration performance to reduce.
At present, the middle pressure chamber that the compound compressor on market uses, its volume is all fixing uncontrollable; Thus, the performance that compressor can not be taken into account good refrigeration and heat is made.Wherein, the patent No. is that No. 201020116796.4 Chinese patents disclose a kind of two-stage rotor-type compressor with by-pass structure, the middle pressure chamber of this compressor is connected with hyperbaric chamber by one-way valve mechanism, blade backpressure is avoided to be less than the pressure phenomenon in secondary air aspiration cavity or secondary exhaust chamber with this, thus better ensure blade stable operation, improve the reliability of compressor, reduce noise etc.In this technological scheme, the one-way valve mechanism between middle pressure chamber is connected with hyperbaric chamber presses the pressure in chamber and hyperbaric chamber automatically to open in basis, makes two-stage compression unit be in idling conditions, and improve the stability of two grade blades operations with this; Thus, the volume size in middle pressure chamber still can not according to compressor in refrigeration or heat needed for state and change; Meanwhile, hyperbaric chamber, as the working cell of two-stage compression unit, cannot only be applied in change the chamber of pressing chamber volume size; Therefore, even if make further improvements this structure, compressor also cannot be made to have good refrigeration and heating performance concurrently.Therefore, for the technician of industry, how enabling middle pressure chamber according to the running state of compressor, and automatically change the size of its volume, make compressor have good refrigeration and heating performance concurrently, is a technical problem urgently to be resolved hurrily.
Summary of the invention
For above the deficiencies in the prior art and defect, the object of the present invention is to provide and a kind ofly regulate in compound compressor the structure of pressing chamber volume size.
Another object of the present invention is to provide a kind of and regulate in compound compressor the method for pressing chamber volume size.
The object of the invention is by realize by the following technical solutions:
A kind ofly regulate in compound compressor the structure of pressing chamber volume size, comprise one stage of compression unit and two-stage compression unit, low-pressure cavity is established in one stage of compression unit, hyperbaric chamber is established in two-stage compression unit, be provided with in one between one stage of compression unit and two-stage compression unit and press chamber, described middle pressure chamber is connected with intermediate regulations chamber by control valve.
As the preferred technical solution of the present invention, described intermediate regulations chamber be located at be communicated with middle pressure chamber injection channel on.
As the preferred technical solution of the present invention, described control valve is solenoid valve, itself and four-way valve connection in parallel.
A kind ofly regulate in compound compressor the method for pressing chamber volume size, comprise one stage of compression unit and two-stage compression unit, low-pressure cavity is established in one stage of compression unit, hyperbaric chamber is established in two-stage compression unit, be provided with in one between one stage of compression unit and two-stage compression unit and press chamber, being connected pressing chamber in this with intermediate regulations chamber through control valve, changing in this volume of pressing chamber by opening or close this control valve; When described compound compressor is in refrigerating state, open this control valve, this intermediate regulations chamber is communicated with pressing chamber in this; When described compound compressor is in and heats state, close this control valve, this intermediate regulations chamber and this in press chamber to disconnect.
As the preferred technical solution of the present invention, described intermediate regulations chamber be located at be communicated with middle pressure chamber injection channel on.
As the preferred technical solution of the present invention, the volume size in described intermediate regulations chamber can adjust according to the refrigerating capacity of this compound compressor.
As the preferred technical solution of the present invention, described control valve is solenoid valve, itself and four-way valve connection in parallel, is controlled by the same electrical signal controlling this four-way valve.
Compared with prior art, the compound compressor disclosed by the present invention, wherein presses chamber to be connected with intermediate regulations chamber, and automatically controls both break-makes by control valve.When compound compressor is in refrigerating state, refrigerant gas has larger storage space, and therefore the temperature of refrigerant gas there will not be larger rising, is beneficial to compressor cooling; When compound compressor is in and heats state, increase enthalpy gas and can only enter the less middle pressure chamber of volume, cause increasing enthalpy gas and compressed, temperature rises, and is beneficial to compressor and heats.Therefore, adopt this kind of structure, make compressor have good refrigeration and heating performance concurrently.
Accompanying drawing explanation
Fig. 1 is the generalized section of compound compressor in known technology.
Fig. 2 is a kind of generalized section regulating in compound compressor the structure of pressing chamber volume size of the present invention.
Fig. 3 is the structural representation of compound compressor system in the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
Refer to Fig. 2 and Fig. 3, be respectively that the present invention is a kind of regulates in compound compressor the generalized section of the structure of pressing chamber volume size and the structural representation of this compound compressor system.
Compound compressor 101 is regulated to comprise one stage of compression unit 102 and two-stage compression unit 103; Establish low-pressure cavity 104 in one stage of compression unit 102, in two-stage compression unit 103, establish hyperbaric chamber 105, be provided with between one stage of compression unit 102 and two-stage compression unit 103 in one and press chamber 106, in this, press chamber 106 to be connected with intermediate regulations chamber 109.The volume size in this intermediate regulations chamber 109 can adjust according to the refrigerating capacity of this compound compressor, such as: refrigerating capacity is 5000W, the capacity in middle pressure chamber 106 is the compound compressor of 16CC, and configurable volume is the intermediate regulations chamber 109 of 30CC; Refrigerating capacity is 7000W, the capacity in middle pressure chamber 106 is the compound compressor of 16CC, and configurable volume is the intermediate regulations chamber 109 of 35CC.
This intermediate regulations chamber 109 is connected on injection channel 107, its passage be connected with injection channel 107 is provided with control valve, described control valve is solenoid valve 108, and this solenoid valve 108 is in parallel with compound compressor intrasystem four-way valve 110, is controlled by the same electrical signal controlling this four-way valve 110.Namely when four-way valve 110 is in opening state, this solenoid valve 108 is opened thereupon, and when this four-way valve 110 is in closed condition, this solenoid valve 108 also cuts out thereupon.
When compound compressor 101 is in refrigerating state, four-way valve 110 is in opening state, solenoid valve 108 is opened by the electrical signal controlling this four-way valve 110, this intermediate regulations chamber 109 is communicated with pressing chamber 106 in this, now, the refrigerant gas carried by injection channel 107 can be stored in simultaneously this intermediate regulations chamber 109 with this in press chamber 106; Owing to having two container storage refrigerant gass, would not there is too large change in the pressure of refrigerant gas, thus temperature there will not be too large rising, and makes compressor have good refrigeration performance.Meanwhile, owing to being provided with additional intermediate regulations chamber 109, pressing chamber 106 can adopt less volume design in this, be beneficial to compound compressor 101 and heat.Therefore, when compound compressor 101 is in and heats state, four-way valve 110 is in closed condition, solenoid valve 108 cuts out by the electrical signal controlling this four-way valve 110, this intermediate regulations chamber 109 with this in press chamber 106 to disconnect, the gas of the increasing enthalpy that injection channel 107 is carried can only be stored in the less middle pressure chamber 106 of volume, and the gas increasing enthalpy is compressed rear pressure increase, the temperature of the gas of this increasing enthalpy also can rise, and is beneficial to heating of compressor.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; Every equivalence change of doing according to the present invention and amendment, all cover by the scope of claims of the present invention.
Claims (7)
1. one kind regulates in compound compressor the structure of pressing chamber volume size, comprise one stage of compression unit and two-stage compression unit, low-pressure cavity is established in one stage of compression unit, hyperbaric chamber is established in two-stage compression unit, be provided with in one between one stage of compression unit and two-stage compression unit and press chamber, it is characterized in that: described middle pressure chamber is connected with intermediate regulations chamber by control valve, change in this volume of pressing chamber by opening or close this control valve; When described compound compressor is in refrigerating state, open this control valve, this intermediate regulations chamber is communicated with pressing chamber in this; When described compound compressor is in and heats state, close this control valve, this intermediate regulations chamber and this in press chamber to disconnect.
2. according to claim 1ly a kind ofly regulate in compound compressor the structure of pressing chamber volume size, it is characterized in that: described intermediate regulations chamber be located at be communicated with middle pressure chamber injection channel on.
3. according to claim 1ly a kind ofly regulate in compound compressor the structure of pressing chamber volume size, it is characterized in that: described control valve is solenoid valve, itself and four-way valve connection in parallel.
4. one kind regulates in compound compressor the method for pressing chamber volume size, comprise one stage of compression unit and two-stage compression unit, low-pressure cavity is established in one stage of compression unit, hyperbaric chamber is established in two-stage compression unit, be provided with in one between one stage of compression unit and two-stage compression unit and press chamber, it is characterized in that: be connected pressing chamber in this with intermediate regulations chamber through control valve, changing in this volume of pressing chamber by opening or close this control valve; When described compound compressor is in refrigerating state, open this control valve, this intermediate regulations chamber is communicated with pressing chamber in this; When described compound compressor is in and heats state, close this control valve, this intermediate regulations chamber and this in press chamber to disconnect.
5. according to claim 4ly a kind ofly regulate in compound compressor the method for pressing chamber volume size, it is characterized in that: described intermediate regulations chamber be located at be communicated with middle pressure chamber injection channel on.
6. a kind of according to claim 4 or 5 regulates in compound compressor the method for pressing chamber volume size, it is characterized in that: the volume size in described intermediate regulations chamber adjusts according to the refrigerating capacity of this compound compressor.
7. according to claim 4ly a kind ofly regulate in compound compressor the method for pressing chamber volume size, it is characterized in that: described control valve is solenoid valve, itself and four-way valve connection in parallel, controlled by the same electrical signal controlling this four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129597.0A CN102705237B (en) | 2012-04-27 | 2012-04-27 | A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210129597.0A CN102705237B (en) | 2012-04-27 | 2012-04-27 | A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size |
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| Publication Number | Publication Date |
|---|---|
| CN102705237A CN102705237A (en) | 2012-10-03 |
| CN102705237B true CN102705237B (en) | 2015-08-26 |
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| CN201210129597.0A Expired - Fee Related CN102705237B (en) | 2012-04-27 | 2012-04-27 | A kind ofly regulate in compound compressor the structure and method thereof of pressing chamber volume size |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6176782B2 (en) * | 2013-08-23 | 2017-08-09 | 東芝キヤリア株式会社 | Multistage compressor and refrigeration cycle apparatus |
| DE102017214941A1 (en) | 2017-08-25 | 2019-02-28 | Dometic Sweden Ab | Recreational vehicle, cooling device, control system and method of controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138189A (en) * | 1986-11-29 | 1988-06-10 | Toshiba Corp | Rotary compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357889A (en) * | 1986-08-29 | 1988-03-12 | Toshiba Corp | Rotary type compressor |
| JP2768004B2 (en) * | 1990-11-21 | 1998-06-25 | 松下電器産業株式会社 | Rotary multi-stage gas compressor |
| JPH10141270A (en) * | 1996-11-01 | 1998-05-26 | Matsushita Electric Ind Co Ltd | Two stage gas compressor |
| JP2000130870A (en) * | 1998-10-30 | 2000-05-12 | Sanyo Electric Co Ltd | Multicylinder type rotary compressor |
| JP4504667B2 (en) * | 2003-12-10 | 2010-07-14 | 東芝キヤリア株式会社 | Refrigeration cycle equipment |
| CN201661464U (en) * | 2010-02-23 | 2010-12-01 | 上海日立电器有限公司 | Two-stage rotor type compressor provided with by-path structure |
| CN202203116U (en) * | 2011-07-19 | 2012-04-25 | 珠海格力电器股份有限公司 | Double-cylinder capacity variable rotary compressor and air-conditioning system |
-
2012
- 2012-04-27 CN CN201210129597.0A patent/CN102705237B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138189A (en) * | 1986-11-29 | 1988-06-10 | Toshiba Corp | Rotary compressor |
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| CN102705237A (en) | 2012-10-03 |
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Granted publication date: 20150826 |