CN203962390U - A kind of rotary two-stage compressor and there is its air conditioner and heat pump water heater - Google Patents
A kind of rotary two-stage compressor and there is its air conditioner and heat pump water heater Download PDFInfo
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- CN203962390U CN203962390U CN201420301444.4U CN201420301444U CN203962390U CN 203962390 U CN203962390 U CN 203962390U CN 201420301444 U CN201420301444 U CN 201420301444U CN 203962390 U CN203962390 U CN 203962390U
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Abstract
The utility model provides a kind of rotary two-stage compressor, comprise for holding the shell of the pump housing, the described pump housing comprises high pressure compressed portion and the low pressure press part that stacks gradually setting, described low pressure press part comprises the first press part and the second press part, low voltage partition plate assembly is by described the first press part and described the second press part isolation, on described low voltage partition plate assembly, be formed with cavity, on described the first press part, be provided with the first intakeport and first row gas port, on described the second press part, be provided with the second intakeport and second row gas port, described first row gas port and described second row gas port are communicated with described cavity respectively, described high pressure compressed portion is provided with high pressure intakeport, described high pressure intakeport is communicated with described cavity, because this first press part and the second press part all carry out low pressure compression, increased the air displacement of low pressure press part, can make high pressure compressed portion have saturated air-breathing, compound compressor discharge capacity than same cylinder diameter is higher.
Description
Technical field
The utility model relates to compressor field, more particularly, relates to a kind of rotary two-stage compressor.
Background technique
Existing rolling rotor-type compound compressor is generally twin-tub twin-stage, and compound compressor one is less than twin-tub single-stage in discharge capacity, and the 2nd, the balance of rotating is not as twin-tub single-stage.But on the efficiency of single stage compressor and heating capacity, all than compound compressor, have larger gap, and the discharge capacity of twin-tub compound compressor expands.
Now generally by expanding compressor diameter, expand compound compressor discharge capacity, this will cause the cost of compressor itself and the rising of air conditioner manufacture cost.In order to expand the discharge capacity of compressor, and for twin-stage or multistage compression, existing also have some for the research of multiple cylinder multiple level compressor, for example, in prior art, have a kind of variable capacity multi-cylinder rotary compressor, by the control to suction and discharge runner, and then realize Two-stage Compression.
This variable capacity multi-cylinder rotary compressor, by realizing as follows Two-stage Compression, in outside, arranges a plurality of suction sides connecting tube, a plurality of bypass-side connecting tubes, a plurality of discharge side connecting tube, a plurality of open and close valve and a plurality of changing valve.Whether a plurality of cut-off valves refrigerant between controlling from vaporizer to sucking pipe circulates.A plurality of bypass-side connecting tubes are connected with the second compression set the discharge side of the first compression set and the second compression set respectively with the suction side connecting tube of the 3rd compression set, and flow to the refrigerant that changing valve is controlled after the second and the 3rd compression set compression.By several valves of outside, control the flow direction of refrigerant, realize one-level, two-stage and three grades of compressions.
This mode no doubt can realize multistage compressor, but the numerous pipelines of this dependence and valve carry out multistage compression, and the one, exterior line is numerous, and valve is numerous, and the manufacture that causes compressor is complex process comparatively, and compressor cost is high; Two, under this mode, Two-stage Compression can be realized, but the discharge capacity of Two-stage Compression can not be increased; Three, under this mode, compress that inner suction and discharge runner is long and runner is complicated, will have influence on compressor efficiency; Four, enthalpy-increasing function cannot be realized, the ability of compressor can not be further improved.
Model utility content
The utility model object is to provide a kind of rotary two-stage compressor, to solve the little technical problem of existing little cylinder diameter compound compressor discharge capacity.
For achieving the above object, the utility model provides a kind of rotary two-stage compressor, comprise for holding the shell of the pump housing, the described pump housing comprises high pressure compressed portion and the low pressure press part that stacks gradually setting, described low pressure press part comprises the first press part and the second press part, low voltage partition plate assembly is by described the first press part and described the second press part isolation, on described low voltage partition plate assembly, be formed with cavity, on described the first press part, be provided with the first intakeport and first row gas port, on described the second press part, be provided with the second intakeport and second row gas port, described first row gas port and described second row gas port are communicated with described cavity respectively, described high pressure compressed portion is provided with high pressure intakeport, described high pressure intakeport is communicated with described cavity.
Further, described low voltage partition plate assembly comprises stacked the first dividing plate and second partition, on described the first dividing plate, is provided with the first groove, is provided with the second groove on described second partition, and described the first groove and described the second groove form described cavity.
Further, described the first groove and described the second groove are arc groove.
Further, described the first press part, the first dividing plate, second partition and the second press part are stacked successively, on described the first groove, be provided with for controlling the first row air valve plate assembly of the first exhaust orifice open/close, on described the second groove, be provided with for controlling the second row air valve plate assembly of the second exhaust orifice open/close.
Further, be provided with and increase enthalpy assembly between described high pressure intakeport and described cavity, described increasing enthalpy assembly comprises increasing enthalpy mouth and increasing enthalpy chamber, and described increasing enthalpy chamber is communicated with described increasing enthalpy mouth, and described high pressure intakeport is communicated with described cavity by described increasing enthalpy chamber.
Further, described increasing enthalpy assembly is arranged on the outside of the described pump housing.
Further, on described the first groove, be provided with the cavity relief opening being communicated with described increasing enthalpy chamber.
Further, described cavity relief opening is communicated with described increasing enthalpy chamber by the intermediate flow channel being arranged on described the first press part.
Further, the scope of the ratio σ of described high pressure compressed portion's volume and described low pressure press part volume sum is: 0.4≤σ≤1.
Further, the scope of the ratio σ of described high pressure compressed portion's volume and described low pressure press part volume sum is: 0.7≤σ≤0.9.
Further, the scope of the ratio θ of the cylinder cylinder height of second press part with away from high pressure compressed portion high near the cylinder cylinder of the first press part of high pressure compressed portion is: 0.5≤θ≤2.
Further, ratio θ=1 of described cylinder height.
From above-mentioned technological scheme, can find out, the rotary two-stage compressor that the utility model provides, owing to being provided with two low pressure stage compression assemblies, these two low pressure stage compression assemblies all carry out low pressure compression, medium pressure gas discharge capacity after low pressure press part the first press part and the second compressing section compresses is larger, when carrying out two-stage compression, guarantee that high pressure stage press part has enough intakes, so by increasing the discharge capacity of low pressure press part, guarantee that there is saturated gettering quantity in high pressure compressed portion, compressed capability and the compression discharge capacity of same cylinder diameter compound compressor have been improved, widened the application area with cylinder diameter compressor.
Of the present utility modelly provide on the other hand a kind of air conditioner and heat pump water heater with above-mentioned rotary two-stage compressor, the beneficial effect being had from upper rotary two-stage compressor, air conditioner and the heat pump water heater with this rotary two-stage compressor also have its identical technique effect.Do not repeat them here.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model rotary two-stage compressor complete machine structure schematic diagram;
Fig. 2 is the utility model rotary two-stage compressor pump structural representation;
Fig. 3 is the utility model rotary two-stage compressor refrigerant circulation schematic diagram;
Fig. 4 is the utility model rotary two-stage compressor complete machine three-dimensional structure diagram;
Fig. 5 is the utility model rotary two-stage compressor the first diaphragm structure schematic diagram;
Fig. 6 is the utility model rotary two-stage compressor second partition structural representation;
Fig. 7 is the structural representation of the utility model rotary two-stage compressor first press part the first cylinder;
Fig. 8 is the sectional drawing of the utility model rotary two-stage compressor first press part the first cylinder;
Fig. 9 is rotary two-stage compressor high pressure compressed portion's volume sum of the present utility model and the ratio σ of low pressure press part volume sum and the plotted curve of compressor COP exponential relationship; And
Figure 10 be the cylinder of rotary two-stage compressor the first press part of the present utility model high and with the ratio θ of cylinder height and the plotted curve of compressor COP exponential relationship of the second press part.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Mode of execution
Fig. 1, show the utility model rotary two-stage compressor concrete structure, comprise by cover assembly 1, the shell that housing main body 17 and lower cover 18 surround is for holding the pump housing, the pump housing is fixed on housing main body 17, stator 3 and the housing main body of motor are fixed, rotor 4 drives the pump housing by bent axle 5, intermediate clapboard 9 will stack gradually high pressure compressed portion and the isolation of low pressure press part being arranged on bent axle 5, upper flange 6 and lower flange 16 are separately positioned on the two ends of high pressure compressed portion and low pressure press part, low pressure press part comprises the first press part consisting of the first cylinder 14 and the first roller 15 and the second press part consisting of the second cylinder 10 and the second roller 11, comprise that the low voltage partition plate assembly of the first dividing plate 13 and second partition 12 is by the first press part and described the second press part isolation, on low voltage partition plate assembly, be formed with cavity 100, referring to accompanying drawing 7, 8, on the first cylinder 14 on the first press part, be provided with the first intakeport 141 and first row gas port 143, referring to accompanying drawing 4, on the second cylinder 10 of the second press part, be provided with the second intakeport 101 and second row gas port (not shown), described first row gas port 143 and described second row gas port are communicated with described cavity 100 respectively, described high pressure compressed portion is provided with high pressure intakeport, described high pressure intakeport is communicated with described cavity 100.
The low pressure press part of the utility model rotary two-stage compressor comprises the first press part and the second press part, this first press part and the second press part all carry out low pressure compression, increased the air displacement of low pressure press part, can make high pressure compressed portion have saturated air-breathing, higher than the compound compressor discharge capacity of same cylinder diameter.
For holding the cavity 100 of the intermediate-pressure gas of discharging after low pressure compressing section compresses, setting position affects exhaust resistance, referring to accompanying drawing 5,6, the utility model is provided with the first groove 131 on the first dividing plate 13, on second partition 12, be provided with the second groove 121, when the first dividing plate 13 and second partition 12 are stacked, the first groove 131 and the second groove 121 are worked in coordination and are formed described cavity 100.
The cavity 100 being surrounded by the first groove 131 and the second groove 121 is arranged on independently on the first dividing plate 13 and second partition 12, can process easily, reduces preferably the processing cost of compressor.
Arranging of cavity 100 has impact to exhaust, research through the utility model people is found, the shape of cavity 100 also has larger impact to exhaust resistance, in the utility model, the first groove 131 and described the second groove 121 are all arranged to arc groove and not only can reduce exhaust resistance, model utility people also finds that mutual groove also has good noise reduction under study for action.
The utility model is in order to optimize grate flow channel, reduce resistance, the first press part, the first dividing plate 13, second partition 12 and the second press part is stacked successively, the first dividing plate 13 is near the first press part, on the first groove 131, be provided with the first row air valve plate assembly 133 opening and closing for controlling first row gas port 143, in the first groove 131, be provided with the cavity corresponding with first row gas port 143 the first inlet hole 132, valve block opens and closes by controlling cavity the first suction port 132 and then controlling first row gas port 143; On the second groove 121, be provided with the second row air valve plate assembly opening and closing for controlling second row gas port (not shown), in the second groove 121, be provided with the cavity corresponding with second row gas port the second inlet hole 122, valve block is by controlling cavity the second suction port 122 and then controlling the second exhaust orifice open/close.
Compound compressor can sharply decline in extreme weather conditions lower compression ability, in order to make rotary two-stage compressor of the present utility model there is better compressed capability under extreme weather conditions, the utility model is provided with and increases enthalpy assembly 19 between the intakeport (not shown) of high pressure compressed portion and cavity 100, increasing enthalpy assembly 19 is communicated with cavity 100 by the first intermediate connection tube 191, by the second intermediate connection tube 192, be communicated with the intakeport of high pressure compressed portion, the refrigeration at compressor place or the intermediate-pressure gas in heating are carried out tonifying Qi by 193 pairs of compressors of increasing enthalpy mouth of this increasing enthalpy assembly 19, the compressor compresses ability of the raising of entering, increase enthalpy mouth 193 and be communicated with increasing enthalpy chamber 190, high pressure intakeport is communicated with described cavity 100 by increasing enthalpy chamber 190.
As shown in Figure 2 and Figure 3, the structure of compressor can be arranged on increasing enthalpy assembly 19 outside of the pump housing, also can be arranged on compressor inside by increasing enthalpy assembly 19, expansion as present embodiment, cavity 100 can be offered a mouth for the gas of the intermediate pressure of system is filled into cavity, and now cavity 100 serves as increasing enthalpy chamber 190.
In the present embodiment, for the gas in cavity 100 can be circulated smoothly, on the first groove 121, be provided with and the cavity relief opening 134 that increases enthalpy chamber 100 and be communicated with.According to the structure of the first dividing plate 13, cavity relief opening 134 can directly be communicated with increasing enthalpy chamber 190.In the utility model, the first dividing plate 13 designs is thinner, in order to guarantee the mechanical strength of the first dividing plate 13, at the first cylinder 14, offer intermediate flow channel 142, cavity relief opening 134 is communicated with increasing enthalpy chamber 190 by the intermediate flow channel 142 being arranged on first press part the first cylinder 14.
The working principle of the utility model rotary two-stage compressor is referring to accompanying drawing 3: under the dragging of motor, pump housing running, the part of refrigerant a returning from rotary two-stage compressor place system flow enters the intermediate-pressure gas after compression for the first time the second cylinder 10 and the first cylinder 14 by liquor separator parts 2 and is expelled in the cavity 100 of low voltage partition plate assembly, then the intermediate flow channel 142 of the first cylinder 14 of flowing through enters and increases in enthalpy chamber 190, another part refrigeration agent enters increasing enthalpy chamber 190 by another loop of rotary two-stage compressor place system through increasing enthalpy mouth 193 simultaneously, its with after the first press part and the second compressing section compresses, be expelled to the refrigerant mixed in cavity 100, the mix refrigerant b pressing in formation, mixed refrigeration agent b is inhaled into high pressure compressed portion again and compresses for the second time, pressurized gas c after compression is for the second time expelled to the upper space of housing through the relief opening of upper flange, by outlet pipe, discharge compressor and enter system, so far complete the once circulation of compressor internal refrigeration storage agent.
In the utility model, in the situation that increasing enthalpy assembly is not set, refrigerant flow direction is that the intermediate-pressure gas after the first press part and the second compressing section compresses is expelled in the cavity 100 of low voltage partition plate assembly, and the intermediate flow channel 142 of first cylinder 14 of then flowing through enters high pressure compressed portion and carries out second level compression.Book scheme for convenience of explanation in the utility model, high pressure compressed portion is set to one, comprises the first high pressure cylinder 7 and the first high pressure roller 8 being mated.In the spiritual scope of this programme, also can high pressure compressed portion be set to a plurality of, to further improve compressed capability and the air displacement of compressor.
From above-mentioned technological scheme, can find out, owing to being provided with two low pressure stage press parts, these two low pressure stage press parts all carry out low pressure compression, medium pressure gas discharge capacity after low pressure press part the first press part and the second compressing section compresses is larger, when carrying out two-stage compression, guarantee that high pressure stage press part has enough intakes, so by increasing the discharge capacity of low pressure press part, guarantee that there is saturated gettering quantity in high pressure compressed portion, improve compressed capability and the compression discharge capacity of same cylinder diameter compound compressor, widened the application area with cylinder diameter compressor.
Referring to accompanying drawing 9, through experiment, rotary two-stage compressor high pressure compressed portion's volume sum that the utility model provides and the ratio σ of low pressure press part volume sum are in the scope of 0.4≤σ≤1, the performance of compressor is more excellent, especially, when the scope of σ in 0.7≤σ≤0.9, it is optimum that the performance of compressor reaches.
Referring to accompanying drawing 10, through experiment, the rotary two-stage compressor that the utility model provides near the cylinder of the first press part of high pressure compressed portion high and away from the ratio θ of the cylinder height of the second press part of high pressure compressed portion in the scope of 0.5≤θ≤2, the performance of compressor is more excellent, especially, when θ=1, it is optimum that the performance of compressor reaches.
Of the present utility modelly provide on the other hand a kind of air conditioner and heat pump water heater with above-mentioned rotary two-stage compressor, the beneficial effect being had from upper rotary two-stage compressor, air conditioner and the heat pump water heater with this rotary two-stage compressor also have its identical technique effect.Do not repeat them here.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (13)
1. a rotary two-stage compressor, comprise for holding the shell of the pump housing, the described pump housing comprises high pressure compressed portion and the low pressure press part that stacks gradually setting, it is characterized in that, described low pressure press part comprises the first stacked successively press part and the second press part, low voltage partition plate assembly is by described the first press part and described the second press part isolation, on described low voltage partition plate assembly, be formed with cavity, on described the first press part, be provided with the first intakeport and first row gas port, on described the second press part, be provided with the second intakeport and second row gas port, described first row gas port and described second row gas port are communicated with described cavity respectively, described high pressure compressed portion is provided with high pressure intakeport, described high pressure intakeport is communicated with described cavity.
2. rotary two-stage compressor according to claim 1, it is characterized in that, described low voltage partition plate assembly comprises stacked the first dividing plate and second partition, on described the first dividing plate, be provided with the first groove, on described second partition, be provided with the second groove, described the first groove and described the second groove form described cavity.
3. rotary two-stage compressor according to claim 2, is characterized in that, described the first groove and described the second groove are arc groove.
4. rotary two-stage compressor according to claim 3, it is characterized in that, described high pressure compressed portion, described the first press part, the first dividing plate, second partition and the second press part are stacked successively, on described the first groove, be provided with for controlling the first row air valve plate assembly of the first exhaust orifice open/close, on described the second groove, be provided with for controlling the second row air valve plate assembly of the second exhaust orifice open/close.
5. according to the rotary two-stage compressor described in claim 1 to 4 any one, it is characterized in that, between described high pressure intakeport and described cavity, be provided with and increase enthalpy assembly, described increasing enthalpy assembly comprises increasing enthalpy mouth and increases enthalpy chamber, described increasing enthalpy chamber is communicated with described increasing enthalpy mouth, described high pressure intakeport is communicated with described cavity by described increasing enthalpy chamber, is provided with the cavity relief opening being communicated with described increasing enthalpy chamber on the first groove of described the first dividing plate.
6. rotary two-stage compressor according to claim 5, is characterized in that, described increasing enthalpy assembly is arranged on the outside of the described pump housing.
7. rotary two-stage compressor according to claim 6, is characterized in that, described cavity relief opening is communicated with described increasing enthalpy chamber by the intermediate flow channel being arranged on described the first press part.
8. rotary two-stage compressor according to claim 1, is characterized in that, the scope of the ratio σ of described high pressure compressed portion's volume and described low pressure press part volume sum is: 0.4≤σ≤1.
9. rotary two-stage compressor according to claim 8, is characterized in that, the scope of the ratio σ of described high pressure compressed portion's volume and described low pressure press part volume sum is: 0.7≤σ≤0.9.
10. rotary two-stage compressor according to claim 1, is characterized in that, the scope of the ratio θ of the cylinder cylinder height of second press part with away from high pressure compressed portion high near the cylinder cylinder of the first press part of high pressure compressed portion is: 0.5≤θ≤2.
11. rotary two-stage compressors according to claim 10, is characterized in that, ratio θ=1 of described cylinder height.
12. 1 kinds of air conditioners, is characterized in that, comprise the rotary two-stage compressor described in any one in claim 1 to 11.
13. 1 kinds of heat pump water heaters, is characterized in that, comprise the rotary two-stage compressor described in any one in claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301444.4U CN203962390U (en) | 2013-06-28 | 2014-06-06 | A kind of rotary two-stage compressor and there is its air conditioner and heat pump water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310271138 | 2013-06-28 | ||
| CN201310271138.0 | 2013-06-28 | ||
| CN201420301444.4U CN203962390U (en) | 2013-06-28 | 2014-06-06 | A kind of rotary two-stage compressor and there is its air conditioner and heat pump water heater |
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| CN203962390U true CN203962390U (en) | 2014-11-26 |
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| CN201410251140.6A Pending CN104251206A (en) | 2013-06-28 | 2014-06-06 | Rotary double-stage compressor |
| CN201420301444.4U Active CN203962390U (en) | 2013-06-28 | 2014-06-06 | A kind of rotary two-stage compressor and there is its air conditioner and heat pump water heater |
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| CN201410251140.6A Pending CN104251206A (en) | 2013-06-28 | 2014-06-06 | Rotary double-stage compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251206A (en) * | 2013-06-28 | 2014-12-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary double-stage compressor |
| CN105782038A (en) * | 2014-12-25 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor assembly and air conditioner with same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834144B (en) * | 2020-06-24 | 2023-05-05 | 上海海立电器有限公司 | Air conditioning system |
| CN113864155A (en) * | 2021-10-25 | 2021-12-31 | 珠海格力电器股份有限公司 | Compression assembly, enthalpy-increasing compressor and air conditioning system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4004278B2 (en) * | 2001-11-26 | 2007-11-07 | 三洋電機株式会社 | Rotary compressor |
| CN1978904A (en) * | 2005-12-06 | 2007-06-13 | 上海日立电器有限公司 | Two-stage rolling rotor-type compressor |
| JP5433354B2 (en) * | 2009-09-14 | 2014-03-05 | 東芝キヤリア株式会社 | Multi-cylinder rotary compressor and refrigeration cycle equipment |
| CN102374166B (en) * | 2010-08-23 | 2015-01-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersink grooves and bi-rotor two-stage enthalpy-increasing compressor having same |
| CN102748289A (en) * | 2011-04-19 | 2012-10-24 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor |
| CN202250863U (en) * | 2011-06-30 | 2012-05-30 | 珠海格力电器股份有限公司 | Double-stage rotating compressor |
| JP5586537B2 (en) * | 2011-07-28 | 2014-09-10 | 三菱電機株式会社 | Rotary two-stage compressor |
| CN202900660U (en) * | 2012-11-13 | 2013-04-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Dual-rotor two-stage enthalpy increasing compressor, air conditioner and heat pump water heater |
| CN104251206A (en) * | 2013-06-28 | 2014-12-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary double-stage compressor |
-
2014
- 2014-06-06 CN CN201410251140.6A patent/CN104251206A/en active Pending
- 2014-06-06 CN CN201420301444.4U patent/CN203962390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251206A (en) * | 2013-06-28 | 2014-12-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary double-stage compressor |
| CN105782038A (en) * | 2014-12-25 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor assembly and air conditioner with same |
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| CN104251206A (en) | 2014-12-31 |
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