CN205136012U - Multi -cylinder doublestage increases enthalpy compressor, air conditioner and heat pump water heater - Google Patents
Multi -cylinder doublestage increases enthalpy compressor, air conditioner and heat pump water heater Download PDFInfo
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- CN205136012U CN205136012U CN201520943187.9U CN201520943187U CN205136012U CN 205136012 U CN205136012 U CN 205136012U CN 201520943187 U CN201520943187 U CN 201520943187U CN 205136012 U CN205136012 U CN 205136012U
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Abstract
The utility model provides a multi -cylinder doublestage increases the enthalpy compressor, and it is including apron (10), lower flange (9) down, at least one middle the chamber volume going up baffle (4) and median septum (5) and is formed between two liang by aforementioned parts, and always middle chamber volume is all middle chambeies volume sum, just in the middle of total the chamber volume or in the middle of total one of in the volume of chamber and the product of volume ratio again and the ratio between the second grade jar discharge capacity square at appointed ratio within range, the volume ratio of wherein breathing in compares for second grade inspiratory capacity and one -level inspiratory capacity. Through the utility model discloses thereby can design reasonable middle chamber volume and make the second grade jar under double -cylinder, the three jar modes to breathe in steadily, it smoothly exhausts to do benefit to the one -level jar, can effectively improve the too big technical problem of pressure oscillation of the inside refrigerant of double stage compressor cylinder to make the running behaviour of compressor steady, reduce the noise of compressor.
Description
Technical field
The utility model belongs to air-conditioning technical field, is specifically related to a kind of multi-cylinder Dual-level enthalpy adding compressor and has its air conditioner and heat pump water heater.
Background technique
Along with the development of science and technology, Dual-level enthalpy adding compressor still keeps efficient characteristic due to it at worst cold case, more and more consequence is occupied in fields such as air-conditioning, water heater, refrigeration and cold storage, but existing Dual-level enthalpy adding compressor is twin-tub form substantially, require that high occasion is subject to arranging quantitative limitation in the inferior refrigerating capacity of worst cold case.Therefore, multi-cylinder two-stage enthalpy increasing variable volume compressor is adopted to become inexorable trend.The low pressure stage of multi-cylinder Dual-level enthalpy adding compressor has two or more compressing mechanism, wherein at least one cylinder realizes load operating or unloading operation by switching construction, thus realize two kinds of high low pressure volume ratio switchover operations, reach the object that specified heating capacity efficiency is best, low-temperature heating promotes heating capacity under guarantee efficiency prerequisite.
For multi-cylinder Dual-level enthalpy adding compressor, intermediate cavity is the chamber of one stage of compression final vacuum and tonifying Qi mixing.Due to the periodicity of rolling rotor type compressor suction and discharge, and between each cylinder, operating phase angle there are differences, and the too small meeting of intermediate cavity causes the pressure surge of pump body refrigeration agent excessive, thus has a negative impact to the performance, noise etc. of compressor; And the excessive difficulty bringing certain design and processes of intermediate cavity, therefore need intermediate cavity volume reasonable in design.
The pressure surge that there is internal refrigeration storage agent due to multi-cylinder Dual-level enthalpy adding compressor of the prior art is excessive, thus the performance, noise etc. of compressor are had a negative impact and there is the technical problem of design and processes difficulty, therefore the utility model research and design goes out a kind of multi-cylinder Dual-level enthalpy adding compressor and has its air conditioner and heat pump water heater.
Model utility content
Therefore, the technical problems to be solved in the utility model is to overcome compound compressor of the prior art, and to there is the pressure surge of cylinder interior refrigeration agent excessive, thus to the defect that the performance, noise etc. of compressor have a negative impact, thus a kind of multi-cylinder Dual-level enthalpy adding compressor is provided and there is its air conditioner and heat pump water heater.
The utility model provides a kind of multi-cylinder Dual-level enthalpy adding compressor, it intermediate cavity volume of at least one comprising lower cover plate, lower flange, upper clapboard and central diaphragm and formed between any two by above-mentioned parts, total intermediate cavity volume is all intermediate cavity volume sums, and in arbitrary described intermediate cavity volume or described total intermediate cavity volume one of and the product of the volume ratio ratio again and between secondary cylinder discharge capacity square in the ratio range of specifying, wherein volume ratio is secondary gettering quantity and the ratio of one-level gettering quantity.
Preferably, when described compressor is twin-tub, described ratio range of specifying is 0.05 ~ 0.20.
Preferably, when described compressor is three cylinder, described ratio range of specifying is 0.1 ~ 0.3.
Preferably, described lower cover plate and lower flange form the first intermediate cavity, form the second intermediate cavity between upper clapboard and central diaphragm, and total intermediate cavity volume is described first intermediate cavity volume and described second intermediate cavity volume sum.
Preferably, described total intermediate cavity volume comprises two intermediate cavity volumes: the first intermediate cavity volume V
in 1with the second intermediate cavity volume V
in 2, and total intermediate cavity volume V
in=V
in 1+ V
in 2.
Preferably, when described compressor is twin-tub, V
middle 2*k
1for V
20.05 ~ 0.20 times, wherein V is secondary cylinder discharge capacity, K
1for twin-tub volume ratio.
Preferably, when described compressor is three cylinder, V
middle *k
2for V
20.1 ~ 0.3 times, wherein V is secondary cylinder discharge capacity, K
2be three cylinder ratios.
Preferably, described lower flange is provided with pin hole, described pin hole inside is also provided with pin.
Preferably, described lower cover plate is provided with the first intercommunicating pore that one end is positioned at described pin hole position, described lower flange is provided with the second intercommunicating pore be communicated with the other end of described first intercommunicating pore, and the other end of described second intercommunicating pore is communicated to the low pressure air suction mouth place of described compressor.
The utility model also provides a kind of air conditioner or heat pump water heater, and it comprises aforesaid multi-cylinder Dual-level enthalpy adding compressor.
Multi-cylinder Dual-level enthalpy adding compressor, air conditioner and heat pump water heater that the utility model provides have following beneficial effect:
1. the rational intermediate cavity volume by designing can make the secondary cylinder air-breathing under twin-tub, three cylinder patterns steady, be beneficial to the smooth and easy exhaust of first-stage cylinder, effectively can improve the technical problem that the pressure surge of compound compressor cylinder interior refrigeration agent is excessive, thus make the noise that the ride quality of compressor is steady, reduce compressor;
2. thus effectively promote compressor volumetric efficiency, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor;
3. with technologic difficulty in the design that the rational intermediate cavity volume by designing can also effectively be avoided intermediate cavity excessive and bring;
4. combine by pin the switching, easy to operate that lower slide plate effectively can control the simple and fast of this compressor under twin-tub pattern and three cylinder patterns.
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-cylinder Dual-level enthalpy adding compressor of the present utility model;
Fig. 2 is the performance variation law plotted curve of multi-cylinder Dual-level enthalpy adding compressor of the present utility model under twin-tub mode operation;
Fig. 3 is the performance variation law plotted curve of multi-cylinder Dual-level enthalpy adding compressor of the present utility model under three cylinder mode operations.
In figure, reference character is expressed as:
1-bent axle, 2-upper flange, 3-upper cylinder, 4-upper clapboard, 5-central diaphragm, 6-middle cylinder, 7-lower clapboard, 8-lower cylinder, 9-lower flange, 10-lower cover plate.
Embodiment
As shown in Figure 1, the utility model provides a kind of multi-cylinder Dual-level enthalpy adding compressor, comprise lower cover plate, lower flange, upper clapboard and central diaphragm and the intermediate cavity volume of at least one formed between any two by above-mentioned parts, total intermediate cavity volume is all intermediate cavity volume sums, and one of in described total intermediate cavity volume or described total intermediate cavity volume the ratio of the product of (namely in the middle of arbitrary intermediate cavity volume and total both intermediate cavity volumes optional) and volume ratio again and between secondary (i.e. above-mentioned twin-stage) cylinder displacement square in the ratio range of specifying, wherein volume ratio is secondary gettering quantity and the ratio of one-level gettering quantity.
By the rational intermediate cavity volume that the above-mentioned relation setting above-mentioned several parameter can be designed, thus make the secondary cylinder air-breathing under twin-tub, three cylinder patterns steady, be beneficial to the smooth and easy exhaust of first-stage cylinder (see accompanying drawing 2-3, the compressor performance be in this appointment ratio range is steady), effectively can improve the technical problem that the pressure surge of compound compressor cylinder interior refrigeration agent is excessive, thus effectively make the noise that the ride quality of compressor is steady, reduce compressor; Compressor volumetric efficiency can also be promoted, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor; Can also effectively avoid intermediate cavity excessive by the above-mentioned rational intermediate cavity volume designed and in the design that brings and technologic difficulty.
Preferably, when described compressor is twin-tub, described ratio range of specifying is 0.05 ~ 0.20.Under making compressor be in twin-tub operating mode like this, this compressor secondary cylinder air-breathing is steady, and be beneficial to the smooth and easy exhaust of first-stage cylinder, compressor can run reposefully, significantly reduces noise.Above-mentioned span has been through the preferably span that a large amount of experiments and simulation process just draw, obtains more excellent technique effect.
Preferably, when described compressor is three cylinder, described ratio range of specifying is 0.1 ~ 0.3.Under making compressor be in three cylinder operating modes like this, this compressor secondary cylinder air-breathing is steady, and be beneficial to the smooth and easy exhaust of first-stage cylinder, compressor can run reposefully, significantly reduces noise.Above-mentioned span has been through the preferably span that a large amount of experiments and simulation process just draw, obtains more excellent technique effect.
Preferably, described lower cover plate and lower flange form the first intermediate cavity, form the second intermediate cavity between upper clapboard and central diaphragm, and total intermediate cavity volume is described first intermediate cavity volume and described second intermediate cavity volume sum.Specifically defined the position relationship of the first intermediate cavity and the second intermediate cavity by above-mentioned structure, for secondary cylinder air-breathing is steady, the smooth and easy exhaust of first-stage cylinder, smooth running compressor provides precondition.
Preferably, described total intermediate cavity volume comprises two intermediate cavity volumes: the first intermediate cavity volume V
in 1with the second intermediate cavity volume V
in 2, and total intermediate cavity volume V
in=V
in 1+ V
in 2.This be one preferred embodiment, for secondary cylinder air-breathing is steady, the smooth and easy exhaust of first-stage cylinder, smooth running compressor provides precondition.
Preferably, when described compressor is twin-tub, V
middle 2*k
1for V
20.05 ~ 0.20 times, wherein V is secondary cylinder discharge capacity, K
1for twin-tub volume ratio.The second intermediate cavity volume and the relation between secondary cylinder discharge capacity and twin-tub volume ratio under twin-tub pattern is defined by this proportionate relationship and number range, thus design rational intermediate cavity volume, thus make the noise that the ride quality of compressor is steady, reduce compressor; Can also effectively promote compressor volumetric efficiency, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor.
Preferably, when described compressor is three cylinder, V
middle *k
2for V
20.1 ~ 0.3 times, wherein V is secondary cylinder discharge capacity, K
2be three cylinder ratios.Total intermediate cavity volume and the relation between secondary cylinder discharge capacity and three cylinder ratios under defining three cylinder patterns by this proportionate relationship and number range, thus design rational intermediate cavity volume, thus make the noise that the ride quality of compressor is steady, reduce compressor; Can also effectively promote compressor volumetric efficiency, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor.Here it should be noted that why selecting when three cylinders is total intermediate cavity volume, and select when twin-tub to be the second intermediate cavity volume be because: first, second intermediate cavity volume corresponds respectively to lower cylinder and middle cylinder (both are low pressure (LP) cylinder).Twin-tub run time, due to lower cylinder unloading, real work only have middle cylinder.Although first, second intermediate cavity is communicated with by opening, but consider the actual throttling action (its diameter is very little) of opening, first intermediate cavity is very little for the effect of cylinder pressure pulsation in reduction, and therefore during twin-tub, emphasis considers the second intermediate cavity volume; And lower cylinder and middle cylinder all work during three cylinders, the first intermediate cavity and the second intermediate cavity all need to consider for the effect of cylinder in reducing and lower cylinder pressure pulsation, therefore then need during three cylinders to consider total intermediate cavity volume.
Preferably, described lower flange is provided with pin hole (not shown), described pin hole inside is also provided with pin (not shown).Can by pin the lower slide plate of lower cylinder be locked or be unclamped, and then play effect lower cylinder being unloaded or starts work.
Preferably, described lower cover plate is provided with the first intercommunicating pore that one end is positioned at described pin hole position, described lower flange is provided with the second intercommunicating pore be communicated with the other end of described first intercommunicating pore, and the other end of described second intercommunicating pore is communicated to the low pressure air suction mouth place of described compressor.Effectively the gas that pin hole place leaks out can be imported to the low pressure air suction mouth place of compressor by arranging the first above-mentioned intercommunicating pore and the second intercommunicating pore, thus effectively prevent the leakage of compressor internal refrigeration storage agent, maintain stable pressure.
The utility model also provides a kind of air conditioner or heat pump water heater, and it comprises aforesaid multi-cylinder Dual-level enthalpy adding compressor.By comprising air conditioner or the heat pump water heater of aforesaid multi-cylinder Dual-level enthalpy adding compressor, can by the above-mentioned relation of the above-mentioned several parameter of setting and then the intermediate cavity volume of rational compressor designed, thus make twin-tub, secondary cylinder air-breathing under three cylinder patterns is steady, be beneficial to the smooth and easy exhaust of first-stage cylinder (see accompanying drawing 2-3, the compressor performance be in this appointment ratio range is steady), effectively can improve the technical problem that the pressure surge of compound compressor cylinder interior refrigeration agent is excessive, thus effectively make the ride quality of compressor steady, reduce the noise of compressor, compressor volumetric efficiency can also be promoted, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor, can also effectively avoid intermediate cavity excessive by the above-mentioned rational intermediate cavity volume designed and in the design that brings and technologic difficulty.Thus improve the ride quality of air conditioner and heat pump water heater.
The utility model also provides the controlling method of multi-cylinder Dual-level enthalpy adding compressor, and it carries out regulating and controlling for aforesaid multi-cylinder Dual-level enthalpy adding compressor to it.The secondary cylinder air-breathing under twin-tub, three cylinder patterns can be made so steady, be beneficial to the smooth and easy exhaust of first-stage cylinder (see accompanying drawing 2-3, the compressor performance be in this appointment ratio range is steady), effectively can improve the technical problem that the pressure surge of compound compressor cylinder interior refrigeration agent is excessive, thus effectively make the noise that the ride quality of compressor is steady, reduce compressor; Compressor volumetric efficiency can also be promoted, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor; Can also effectively avoid intermediate cavity excessive by the above-mentioned rational intermediate cavity volume designed and in the design that brings and technologic difficulty.
Preferably, when compressor comprises pin, lower slide plate and lower cylinder, pin, when compressor runs under underloaded declared working condition, is locked downslide sheet by (1), and lower cylinder is unloaded, thus realizes twin-tub mode operation; (2) when compressor runs under heavy duty worst cold case, pin is unlocked, lower cylinder work, then realize three cylinder mode operations.The switching, easy to operate that lower slide plate effectively can control the simple and fast of this compressor under twin-tub pattern and three cylinder patterns is combined by pin.
Introduce preferred embodiment of the present utility model below
As shown in Figure 1, of the present utility model for multi-cylinder two-stage enthalpy increasing variable volume compressor, intermediate cavity has two: the second intermediate cavity that the first intermediate cavity, upper clapboard 4 and central diaphragm 5 that lower cover plate 10 and lower flange 9 are formed are formed.UNICOM is carried out between the two by intermediate flow channel.The specific works principle of multi-cylinder two-stage enthalpy increasing variable volume compressor is:
Adopt twin-tub pattern when running under underloaded declared working condition, now pin locking downslide sheet, lower cylinder unloads, and the middle cylinder one-level medium pressure gas of discharging enters secondary cylinder (upper cylinder) with filling into after gas mixes in intermediate cavity and intermediate flow channel; Adopt three cylinder patterns when running under heavy duty worst cold case, now pin unlocks, lower cylinder work, in, the lower cylinder one-level medium pressure gas of discharging enters secondary cylinder (upper cylinder) with filling into after gas mixes in intermediate cavity and intermediate flow channel.Further, compared to twin-tub pattern, during three cylinder patterns, the flow of first-stage cylinder pressurized gas is larger, when intermediate cavity and intermediate flow channel volume certain, the pressure surge under three cylinder patterns should be more remarkable.
The technical program provides a kind of multi-cylinder two-stage enthalpy increasing variable volume compressor, the ratio range of the first intermediate cavity volume and the second intermediate cavity volume and secondary cylinder discharge capacity, the volume ratio ratio of one-level gettering quantity (the secondary gettering quantity with).To define in the first intermediate cavity volume V 1, in second intermediate cavity volume V 2, in intermediate cavity volume V=V in 1+V 2, secondary cylinder discharge capacity V, twin-tub volume ratio K1, three cylinder ratio K2, setting: in V, 2*K1 is 0.05 ~ 0.20 times (as shown in Figure 2) of V2, in V, * K2 is 0.1 ~ 0.3 times (as shown in Figure 3) of V2, can ensure that the secondary cylinder air-breathing under twin-tub, three cylinder patterns is steady, be beneficial to the smooth and easy exhaust of first-stage cylinder, thus effectively promote compressor volumetric efficiency, realize efficient, energy-conservation largeizationr of multi-cylinder Dual-level enthalpy adding compressor.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each advantageous manner freely can combine, superpose.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. a multi-cylinder Dual-level enthalpy adding compressor, it is characterized in that: the intermediate cavity volume of at least one comprising lower cover plate (10), lower flange (9), upper clapboard (4) and central diaphragm (5) and formed between any two by above-mentioned parts, total intermediate cavity volume is all intermediate cavity volume sums, and one of in described total intermediate cavity volume or described total intermediate cavity volume and the ratio of the product of aspirated volume ratio again and between secondary cylinder discharge capacity square in the ratio range of specifying, wherein volume ratio is secondary gettering quantity and the ratio of one-level gettering quantity.
2. multi-cylinder Dual-level enthalpy adding compressor according to claim 1, is characterized in that: when described compressor is twin-tub, and described ratio range of specifying is 0.05 ~ 0.20.
3. multi-cylinder Dual-level enthalpy adding compressor according to claim 1, is characterized in that: when described compressor is three cylinder, and described ratio range of specifying is 0.1 ~ 0.3.
4. multi-cylinder Dual-level enthalpy adding compressor according to claim 1, it is characterized in that: described lower cover plate and lower flange form the first intermediate cavity, form the second intermediate cavity between upper clapboard and central diaphragm, total intermediate cavity volume is described first intermediate cavity volume and described second intermediate cavity volume sum.
5. multi-cylinder Dual-level enthalpy adding compressor according to claim 4, is characterized in that: described total intermediate cavity volume comprises two intermediate cavity volumes: the first intermediate cavity volume V
in 1with the second intermediate cavity volume V
in 2, and total intermediate cavity volume V
in=V
in 1+ V
in 2.
6. multi-cylinder Dual-level enthalpy adding compressor according to claim 5, is characterized in that: when described compressor is twin-tub, V
middle 2*k
1for V
20.05 ~ 0.20 times, wherein V is secondary cylinder discharge capacity, K
1for twin-tub volume ratio.
7. multi-cylinder Dual-level enthalpy adding compressor according to claim 5, is characterized in that: when described compressor is three cylinder, V
middle *k
2for V
20.1 ~ 0.3 times, wherein V is secondary cylinder discharge capacity, K
2be three cylinder ratios.
8. according to the multi-cylinder Dual-level enthalpy adding compressor one of claim 1-7 Suo Shu, it is characterized in that: on described lower flange, be provided with pin hole, described pin hole inside is also provided with pin.
9. multi-cylinder Dual-level enthalpy adding compressor according to claim 8, it is characterized in that: described lower cover plate is provided with the first intercommunicating pore that one end is positioned at described pin hole position, described lower flange is provided with the second intercommunicating pore be communicated with the other end of described first intercommunicating pore, and the other end of described second intercommunicating pore is communicated to the low pressure air suction mouth place of described compressor.
10. air conditioner or a heat pump water heater, is characterized in that: comprise the multi-cylinder Dual-level enthalpy adding compressor that one of claim 1-9 is described.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298840A (en) * | 2015-11-23 | 2016-02-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Multi-cylinder double-level enthalpy-increasing compressor, air conditioner, heat pump water heater and control method |
| CN109185139A (en) * | 2018-10-12 | 2019-01-11 | 珠海凌达压缩机有限公司 | Variable-capacity compressor, refrigerating system and air conditioner with variable-capacity compressor |
| CN110940114A (en) * | 2019-10-28 | 2020-03-31 | 珠海格力电器股份有限公司 | Control method for reducing oil shortage and liquid impact faults during operation of air conditioner and air conditioner |
-
2015
- 2015-11-23 CN CN201520943187.9U patent/CN205136012U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298840A (en) * | 2015-11-23 | 2016-02-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Multi-cylinder double-level enthalpy-increasing compressor, air conditioner, heat pump water heater and control method |
| WO2017088586A1 (en) * | 2015-11-23 | 2017-06-01 | 珠海格力电器股份有限公司 | Multi-tank dual-stage enthalpy increasing compressor and air conditioner, heat pump water heater and control method |
| CN105298840B (en) * | 2015-11-23 | 2017-07-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Multi-cylinder Dual-level enthalpy adding compressor and air-conditioner, Teat pump boiler and control method |
| CN109185139A (en) * | 2018-10-12 | 2019-01-11 | 珠海凌达压缩机有限公司 | Variable-capacity compressor, refrigerating system and air conditioner with variable-capacity compressor |
| CN110940114A (en) * | 2019-10-28 | 2020-03-31 | 珠海格力电器股份有限公司 | Control method for reducing oil shortage and liquid impact faults during operation of air conditioner and air conditioner |
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