CN202954971U - Double-cylinder variable capacity compressor - Google Patents
Double-cylinder variable capacity compressor Download PDFInfo
- Publication number
- CN202954971U CN202954971U CN 201220524781 CN201220524781U CN202954971U CN 202954971 U CN202954971 U CN 202954971U CN 201220524781 CN201220524781 CN 201220524781 CN 201220524781 U CN201220524781 U CN 201220524781U CN 202954971 U CN202954971 U CN 202954971U
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- plunger pin
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- compressor
- slide plate
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- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The double-cylinder variable-capacity compressor comprises a closed shell, a motor, a compressor rotating shaft, an upper flange, an upper air cylinder, a partition plate, a lower air cylinder, a lower flange, an upper sliding sheet groove arranged in the upper air cylinder, an upper sliding sheet arranged in the upper sliding sheet groove, a lower sliding sheet groove arranged in the lower air cylinder, a lower sliding sheet arranged in the lower sliding sheet groove and rollers arranged in the upper air cylinder and the lower air cylinder; a plunger pin hole communicated with the upper slide groove or the lower slide groove; a plunger pin slot is correspondingly arranged on the upper slide sheet or the lower slide sheet; the plunger pin can reciprocate in the plunger pin hole along the axis of the plunger pin hole, so as to extend out of the plunger pin hole and be inserted into the plunger pin groove or retreat into the plunger pin hole and leave the plunger pin groove, so as to lock or unlock the upper sliding sheet or the lower sliding sheet; the air pressure control connecting pipe is communicated with the plunger pin hole through the air pressure control channel, is communicated with an external air source and can switch input high-pressure or low-pressure air. The utility model discloses compact structure, control are simple, the operation is stable.
Description
Technical field
The utility model belongs to the Compressor Technology field, relates in particular to a kind of variable-displacement rotary double cylinder compressor.
Background technique
Energy-efficient and travelling comfort is the target that the air-conditioning industry is constantly pursued, and therefore frequency-changeable compressor is born, but there be difficult control and expensive problem in frequency-changeable compressor, thereby is restricting the development of self.Because the Two-stage Compression function of two-cylinder type compressor can improve exhaust pressure better, all there is certain advantage on the degree of difficulty controlled or cost, begun to be applied at present field of air conditioning.The double-cylinder capacity variable compressor can come fulfillment capability to regulate by changing the air displacement volume, and freeze summer, the one-level cylinder operation, and winter heating, one-level, secondary cylinder are worked simultaneously.
The Chinese invention patent application that number of patent application is 200510132903.6, denomination of invention is capacity variable rotary compressor discloses a kind of variable-displacement compressor, it comprises shell, be arranged at the first cylinder and the second cylinder in shell, be arranged at roller in the first cylinder and the second cylinder, be arranged at radially advancing and retreat and dividing the slide plate of cylinder inner cavity along roller in the first cylinder and in the second cylinder, and the slide plate that is positioned at the first cylinder contacts with the roller of the first cylinder under the elastic force effect of the spring that is arranged at its back all the time.Be provided with a varying capacity and control slide plate in the second cylinder, varying capacity is controlled slide plate and is controlled by the piston that is arranged at its back, this piston is arranged in piston-cylinder, and the piston-cylinder the other end is connected with pressure regulation tube, when pressure regulation tube connects high pressure, varying capacity is controlled slide plate and is before pushed away, the interior roller of itself and the second cylinder is contacted, and when pressure regulation tube connect low pressure, varying capacity was controlled slide plate by pusher, roller in itself and the second cylinder is separated, and the second cylinder idle running is not compressed.
Whether aforementioned compressor is directly controlled slide plate by the switching of pressure and is worked, and realize that this action must need to have an airtight space, and causing needs improved part too many, and cost is high, and operation is complicated.And because the working state of slide plate is directly controlled by air pressure, fluctuation appears in air pressure in cylinder sometimes, add that varying capacity control slide plate itself also can produce vibration due to the running of compressor, affected by this, varying capacity easily occurs and control the unsettled situation of slide plate running state.
The model utility content
The purpose of this utility model is to provide a kind of compact structure, it is simple to control, can realize easily that compressor switches between twin-tub and single cylinder mode of operation, with the variable conpacitance compressor of the demand that satisfies different operating modes.
To achieve these goals, the utility model is taked following technical solution:
The double-cylinder capacity variable compressor comprises: enclosing housing, be arranged at motor in enclosing housing, by the compressor rotation shaft of driven by motor rotation, the upper flange, upper cylinder, dividing plate, lower cylinder and the lower flange that axially arrange along compressor rotation shaft successively, be arranged at the upper vane slot in upper cylinder and be placed in upper slide plate in upper vane slot, be arranged at the lower vane slot in lower cylinder and be placed in lower slide plate in lower vane slot, be arranged at the roller in upper cylinder and in lower cylinder; The plunger pin-and-hole that is communicated with upper vane slot or lower vane slot; Correspondence is arranged at the plunger cotter way on slide plate or lower slide plate; Be arranged at the plunger pin in the plunger pin-and-hole, this plunger pin can move back and forth along the plunger pin axially bored line in the plunger pin-and-hole, thereby stretch out in the plunger pin-and-hole and insert in the plunger cotter way or return in the plunger pin-and-hole and leave the plunger cotter way, locking slide plate or lower slide plate with pinning or solution; Control adapter by the air pressure that air pressure control channel is communicated with the plunger pin-and-hole, air pressure is controlled to take over and is communicated with external air source and changeable input high pressure or low-pressure gas.
The axis of plunger pin-and-hole of the present utility model is parallel with the axis of described compressor rotation shaft, described plunger pin-and-hole and described air pressure control channel quadrature arrangement.
Plunger pin-and-hole of the present utility model and described air pressure control channel are arranged on described dividing plate.
Plunger pin-and-hole of the present utility model is communicated with described lower vane slot, and described plunger cotter way is arranged at the upper surface of described lower slide plate.
The utility model is provided with auxiliary Compress Spring between described plunger pin end and described plunger pin nose end wall.
External air source of the present utility model is the high voltage/low voltage gas that comes from the refrigerating/heating circulatory system of using this compressor.
The utility model has designed a cover plunger pin mechanism, vane slot in plunger pin-and-hole one end in plunger pin mechanism and cylinder is communicated with, the other end connects the air pressure of changeable high-low pressure and controls adapter, the plunger cotter way is set on the slide plate of correspondence, the plunger pin that is placed in the plunger pin-and-hole can pin or slide plate corresponding to release by the plunger cotter way, when air pressure control connects high pressure, control in the plunger cotter way of plunger pin insertion slide plate, slide plate is lockable and quits work, corresponding cylinder idle running is not compressed, realized transfiguration; When air pressure control connects low pressure, to control plunger pin and be separated from slide plate, the slide plate normal operation realizes the twin-tub compression.
Description of drawings
Fig. 1 is an embodiment's of the utility model structural representation;
Fig. 2 is the schematic diagram of the utility model when being in the single cylinder working state;
Fig. 3 is the schematic diagram of the utility model when being in the twin-tub working state.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in more detail.
Embodiment
Double-cylinder capacity variable compressor of the present utility model comprises enclosing housing, and electric machine assembly and compression assembly are installed in enclosing housing, and electric machine assembly of the present utility model comprises stator and rotor, and its structure is same as the prior art, no longer goes to live in the household of one's in-laws on getting married at this and chats.As shown in Figure 1 and Figure 2, compression assembly comprises upper flange 1, upper cylinder 2, dividing plate 3, lower cylinder 4, lower flange 5, upper roller 6, upper slide plate 7, upper vane slot 8, lower roller 9, lower slide plate 10, lower vane slot 11 and air pressure control adapter 12.For the ease of statement, with the axial direction definition up and down of compressor rotation shaft in Fig. 2 100.
Upper flange 1, upper cylinder 2, dividing plate 3, lower cylinder 4 and lower flange 5 are successively along the axial installation of compressor rotation shaft 100.Be provided with intakeport a on upper cylinder 2 and lower cylinder 4 sidewalls, at the connecting tube (not shown) that intakeport a place's setting is communicated with the gas-liquid separator of compressor, refrigeration agent enters cylinder inner cavity from intakeport a.Be provided with vane slot 8 in upper cylinder 2, upper slide plate 7 is placed in vane slot 8, upper slide plate 7 presses down upwards roller 6 in the elastic force effect that is arranged at the spring at its back (not shown), upper slide plate 7 contacts with the outer surface of upper roller 6, thereby upper cylinder 2 inner chambers are divided into suction chamber and pressing chamber.Be provided with lower vane slot 11 in lower cylinder 4, lower slide plate 10 is placed in lower vane slot 11, lower slide plate 10 presses down to lower roller 9 in the elastic force effect of the spring that is arranged at its back, contacts with the outer surface of lower roller 9, equally lower cylinder 4 inner chambers is divided into suction chamber and pressing chamber.Upper roller 6 and lower roller 9 are fixedly mounted on the eccentric part of compressor rotation shaft 100, make eccentric rotary under the drive of compressor rotation shaft 100, thereby the refrigeration agent that enters cylinder inner cavity is compressed in cylinder.
Dividing plate 3 is arranged between upper cylinder 2 and lower cylinder 4, the air pressure control channel c that is processed with plunger pin-and-hole b and is communicated with plunger pin-and-hole b in dividing plate 3, the axis of the plunger pin-and-hole b of the present embodiment are parallel to the axis of compressor rotation shaft 100 and the lower end of plunger pin-and-hole b is communicated with the lower vane slot 11 of lower cylinder 4.Air pressure control channel c is connected in the upper end of plunger pin-and-hole b.Be provided with plunger pin 14 in plunger pin-and-hole b, plunger pin 14 can move up and down in plunger pin-and-hole b.Be provided with auxiliary Compress Spring 15 between plunger pin 14 tops and plunger pin-and-hole b roof, auxiliary Compress Spring 15 pushes away plunger pin 14 downwards.The corresponding plunger cotter way d that matches with plunger pin 14 that is processed with on the upper surface of lower slide plate 10, when plunger pin 14 moves down and bottom when protruding from plunger pin-and-hole b bottom, plunger pin 14 can stretch in the plunger cotter way d of lower slide plate 10.
Air pressure control channel c controls adapter 12 with air pressure and is connected, the other end that air pressure is controlled adapter 12 is connected with external air source (not shown), the external air source of the present embodiment is refered in particular to the high voltage/low voltage gas that comes from the refrigerating/heating circulatory system of using this compressor, preferably the high voltage/low voltage gas of this compressor outlet/intakeport.Air pressure is controlled adapter 12 and is connected with external air source by control valve, and control valve can adopt solenoid valve or three-way valve etc., is used for controlling air pressure and controls the switching of taking over the high/low body of calming the anger that passes in 12, passes into high pressure or low-pressure gas thereby air pressure control is taken in 12.
As shown in Figure 2, when passing into high pressure in air pressure is controlled adapter 12, plunger pin 14 is under the effect of pressurized gas and auxiliary Compress Spring 15, overcoming the lower cylinder internal pressure moves downwards, when lower roller 9 outwards pushes up lower slide plate 10 to outermost locations, plunger pin 14 moves down, be inserted in the plunger cotter way d of lower slide plate 10, with lower slide plate 10 pinnings, lower slide plate 10 is positioned, quit work, thereby lower slide plate 10 leaves lower roller 9, and this moment, lower cylinder 4 free-runing operations did not compress, upper cylinder 2 normal operations, realize the single cylinder compression, small displacement work.
As shown in Figure 3, when passing into low pressure in air pressure is controlled adapter 12, plunger pin 14 is under the effect of lower cylinder internal high pressure gas, overcome plunger pin 14 upper end low-pressure gases and the downward active force of auxiliary Compress Spring 15, move up, plunger pin 14 leaves the plunger cotter way d of lower slide plate 10, thereby lower slide plate 10 is thrown off the constraint of plunger pin 14, elastic force effect at its back spring presses down to lower roller 9, lower slide plate 10 heads contact with lower roller 9 outer surfaces, upper cylinder 2 and lower cylinder 4 be normally operation all, realizes the twin-tub compression this moment, maximum capacity work.
Previous embodiment is to arrange plunger pin mechanism on dividing plate, the plunger cotter way that corresponding setting coordinates with plunger pin on lower slide plate simultaneously is that example explains the utility model, but this plunger mechanism also can be arranged at upper flange or lower flange, the plunger pin-and-hole can be communicated with upper vane slot or lower vane slot, correspondence is offered the plunger cotter way on upper slide plate or lower slide plate simultaneously, also can realize the switching of single cylinder and twin-tub mode of operation.Compared with prior art, the utility model is controlled the working state of slide plate by plunger pin, and compressor is switched between twin-tub and single cylinder, satisfies the demand of different operating modes, reaches energy-efficient effect, and compact structure is controlled simply working stability.
Certainly, technical conceive of the present utility model is not limited in above-described embodiment, can also obtain many different concrete schemes according to design of the present utility model, for example, auxiliary Compress Spring can be directly installed on inside and outside spring mounting hole, also can be provided for the projection of mounting spring in plunger hole bottom, with spring fitting on this projection; In addition, external air source of the present utility model also can adopt independently high-pressure air source and low-pressure gas source, only need corresponding pipeline is coupled together by control valve to get final product, within all should being included in the described scope of technical solutions of the utility model such as these changes and equivalent transformation.
Claims (7)
1. double-cylinder capacity variable compressor comprises: enclosing housing, be arranged at motor, the compressor rotation shaft by described driven by motor rotation, the upper flange, upper cylinder, dividing plate, lower cylinder and the lower flange that axially arrange along described compressor rotation shaft successively in described enclosing housing, be arranged at the upper vane slot in described upper cylinder and be placed in upper slide plate in upper vane slot, be arranged at the lower vane slot in described lower cylinder and be placed in lower slide plate in lower vane slot, be arranged in described upper cylinder and the roller in lower cylinder;
It is characterized in that: also comprise
The plunger pin-and-hole that is communicated with described upper vane slot or lower vane slot;
Plunger cotter way on corresponding setting and described upper slide plate or lower slide plate;
Be arranged at the plunger pin in described plunger pin-and-hole, described plunger pin can move back and forth along the plunger pin axially bored line in the plunger pin-and-hole, thereby stretch out in described plunger pin-and-hole and insert in described plunger cotter way or return in described plunger pin-and-hole and leave described plunger cotter way, to pin or the described upper slide plate of release or lower slide plate;
Control adapter by the air pressure that air pressure control channel is communicated with described plunger pin-and-hole, described air pressure is controlled to take over and is communicated with external air source and changeable input high pressure or low-pressure gas.
2. double-cylinder capacity variable compressor as claimed in claim 1, it is characterized in that: the axis of described plunger pin-and-hole is parallel with the axis of described compressor rotation shaft, described plunger pin-and-hole and described air pressure control channel quadrature arrangement.
3. double-cylinder capacity variable compressor as claimed in claim 1 or 2, it is characterized in that: described plunger pin-and-hole and described air pressure control channel are arranged on described dividing plate.
4. double-cylinder variable-capacity compressor as claimed in claim 3, it is characterized in that: described plunger pin-and-hole is communicated with described lower vane slot, and described plunger cotter way is arranged at the upper surface of described lower slide plate.
5. double-cylinder capacity variable compressor as claimed in claim 1, is characterized in that: be provided with auxiliary Compress Spring between described plunger pin end and described plunger pin nose end wall.
6. double-cylinder capacity variable compressor as claimed in claim 1, it is characterized in that: described external air source is the high voltage/low voltage gas that comes from the refrigerating/heating circulatory system of using this compressor.
7. double-cylinder capacity variable compressor as claimed in claim 6, it is characterized in that: described external air source is the high voltage/low voltage gas that comes from this compressor outlet/intakeport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524781 CN202954971U (en) | 2012-10-12 | 2012-10-12 | Double-cylinder variable capacity compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524781 CN202954971U (en) | 2012-10-12 | 2012-10-12 | Double-cylinder variable capacity compressor |
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| CN202954971U true CN202954971U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220524781 Expired - Lifetime CN202954971U (en) | 2012-10-12 | 2012-10-12 | Double-cylinder variable capacity compressor |
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| CN (1) | CN202954971U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015154717A1 (en) * | 2014-04-10 | 2015-10-15 | 珠海格力电器股份有限公司 | Compressor and air conditioner |
| WO2016070640A1 (en) * | 2014-11-05 | 2016-05-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, air-conditioning system and compressor control method |
| CN105626524A (en) * | 2014-11-28 | 2016-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-cylinder variable displacement compressor and air conditioning system |
| WO2017024865A1 (en) * | 2015-08-10 | 2017-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange system |
| CN106482377A (en) * | 2016-09-26 | 2017-03-08 | 广东美芝精密制造有限公司 | Air-conditioning system and the temperature control equipment with which |
| CN106593869A (en) * | 2015-10-16 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-stage variable-capacity compressor and air conditioning system provided with same |
| CN106930947A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pressure switching mechanism and compressor |
| CN110762017A (en) * | 2019-10-22 | 2020-02-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Air inlet structure, air exhaust structure, compressor, control method and air conditioner |
-
2012
- 2012-10-12 CN CN 201220524781 patent/CN202954971U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154717A1 (en) * | 2014-04-10 | 2015-10-15 | 珠海格力电器股份有限公司 | Compressor and air conditioner |
| US11067083B2 (en) | 2014-04-10 | 2021-07-20 | Gree Electric Appliances, Inc. Of Zhuhai | Compressor and air conditioner |
| JP2017516009A (en) * | 2014-04-10 | 2017-06-15 | 珠海格力▲電▼器股▲分▼有限公司Ｇｒｅｅ Ｅｌｅｃｔｒｉｃ Ａｐｐｌｉａｎｃｅｓ， Ｉｎｃ． Ｏｆ Ｚｈｕｈａｉ | Compressor and air conditioner |
| WO2016070640A1 (en) * | 2014-11-05 | 2016-05-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor, air-conditioning system and compressor control method |
| EP3217013A4 (en) * | 2014-11-05 | 2018-05-02 | Gree Green Refrigeration Technology Center Co. Ltd. of Zhuhai | Compressor, air-conditioning system and compressor control method |
| US10465683B2 (en) | 2014-11-05 | 2019-11-05 | Gree Green Refridgeration Technology Center Co., Ltd. of Zhuhai | Compressor, air conditioning system, and a method of controlling a compressor |
| CN105626524B (en) * | 2014-11-28 | 2017-11-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Single cylinder capacity variable type compressor and air-conditioning system |
| CN105626524A (en) * | 2014-11-28 | 2016-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Single-cylinder variable displacement compressor and air conditioning system |
| WO2017024865A1 (en) * | 2015-08-10 | 2017-02-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and heat exchange system |
| KR20180019187A (en) * | 2015-08-10 | 2018-02-23 | 그리 그린 리프리저레이션 테크놀로지 센터 컴퍼니 리미티드 오브 주하이 | Compressor and heat exchange system |
| KR101986965B1 (en) * | 2015-08-10 | 2019-06-07 | 그리 그린 리프리저레이션 테크놀로지 센터 컴퍼니 리미티드 오브 주하이 | Compressor and heat exchange system |
| CN106593869A (en) * | 2015-10-16 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-stage variable-capacity compressor and air conditioning system provided with same |
| CN106593869B (en) * | 2015-10-16 | 2018-07-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Twin-stage positive displacement compressor and air-conditioning system with it |
| CN106930947B (en) * | 2015-12-30 | 2018-12-04 | 珠海格力电器股份有限公司 | pressure switching mechanism and compressor |
| CN106930947A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pressure switching mechanism and compressor |
| CN106482377B (en) * | 2016-09-26 | 2019-08-16 | 广东美芝精密制造有限公司 | Air-conditioning system and temperature control equipment with it |
| CN106482377A (en) * | 2016-09-26 | 2017-03-08 | 广东美芝精密制造有限公司 | Air-conditioning system and the temperature control equipment with which |
| CN110762017A (en) * | 2019-10-22 | 2020-02-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Air inlet structure, air exhaust structure, compressor, control method and air conditioner |
| CN110762017B (en) * | 2019-10-22 | 2022-03-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Air inlet structure, air exhaust structure, compressor, control method and air conditioner |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |