CN201539404U - Consumption-reducing variable-displacement rotary compressor - Google Patents
Consumption-reducing variable-displacement rotary compressor Download PDFInfo
- Publication number
- CN201539404U CN201539404U CN2009201695426U CN200920169542U CN201539404U CN 201539404 U CN201539404 U CN 201539404U CN 2009201695426 U CN2009201695426 U CN 2009201695426U CN 200920169542 U CN200920169542 U CN 200920169542U CN 201539404 U CN201539404 U CN 201539404U
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- Prior art keywords
- rotary compressor
- consumption
- compressor
- flow
- stop valve
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- Expired - Lifetime
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 238000010992 reflux Methods 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 21
- 238000004378 air conditioning Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of refrigeration compressors, in particular to a consumption-reducing variable-displacement rotary compressor; the utility model discloses a consumption reduction becomes discharge capacity rotary compressor, the backward flow mouth communicates to inhaling the return circuit through the backward flow passageway, the gaseous backward flow that can just stop the compression chamber when eccentric rotor gets into backward flow termination angle theta, be provided with controllable flow stop valve on the backflow pipeline, when the ambient temperature that needs to adjust reaches the scope temperature of settlement, the system is opened and is set up the flow stop valve on the backflow pipeline, the reduction effective gas compression volume that can, controllable flow stop valve flow size according to the control of system temperature condition, adjust the gaseous flow of backflow pipeline backward flow, reach the reasonable effective gas compression volume of control, so as to maintain suitable ambient temperature, reduce motor load and reduce the power consumption, and simultaneously, the number of times that stops of opening of reduction compressor, the temperature of regulation is relatively stable, energy-conserving effect is obvious, the travelling comfort is good.
Description
Technical field
The utility model relates to technical field of refrigeration compressors, relates in particular to a kind of consumption-reducing variable displacement rotary compressor.
Background technique
Compressor is that compression refrigerant makes it participate in the circuit nucleus equipment in refrigerator, the air-conditioning system, rotary compressor is a kind of compressor commonly used, the rotary compressor rotary compressor generally comprises rotary compressor and waves compressor, as shown in Figure 1, the slide plate 32 of rotary compressor is arranged on the cylinder wall separately, as shown in Figure 2, the slide plate 32 that waves compressor is to be arranged to one with eccentric rotor 31; The work of revolution compression refrigerant is to finish in the sealing cylinder chamber of compressor, the housing assembly that constitutes the sealing cylinder chamber includes upper flange, lower flange and cylinder 3, upper flange, lower flange is arranged on cylinder 3 two ends and encloses the sealing cylinder chamber, be provided with eccentric rotor 31 in the cylinder chamber, separation and eccentric rotor 31 at slide plate 32 are divided into air aspiration cavity 33 and compression chamber 34 with cylinder chamber under the tangent line effect mutually with cylinder 3 inwalls, air aspiration cavity 33 is the cavity that is communicated with the intakeport 35 of suction end, driven by motor eccentric rotor 31 rotates a week, by the intakeport of suction end air-breathing after, 34 li gases of compression chamber by low pressure to high pressure converted, when suitable high pressure, discharge cylinder chamber.
In the refrigerator that uses compressor, air-conditioning system, when the ambient temperature of needs adjusting reaches the range temperature of setting, need keep under the situation of such temperature, routine has adopted two kinds of regulative modes at present: 1, stop compressor operating a period of time, when detecting ambient temperature and bigger difference occurs with setting temperature, system starts compressor once more, and compressor operating is also discharged pressurized gas and participated in the purpose that heat exchange reaches the adjusting temperature; The frequent so a large amount of electric energy of moment meeting loss, such regulative mode causes ambient temperature to follow the setting temperature difference variation big, and travelling comfort is poor; 2, adopt frequency conversion control technique, add frequency variator and regulate rotating speed of motor, under the situation that reaches ambient temperature, under the frequency variator effect, motor speed reduces, and press cycles is elongated, so slowly under Ya Suo the situation, the pressurized gas discharge capacity reduces in the unit time, just keeps to reach the maintenance ambient temperature, the VFC comfort level is good, avoid frequent start and stop, long-time running has certain energy-saving effect, still, because the frequency variator cost is higher, price is more expensive, energy-saving effect is not clearly.
The model utility content
Of the present utility model is at present rotary compressor excessive problem of holding temperature energy consumption in operational system, and a kind of variable working condition rotary compressor that overcomes the above problems is provided.
For reaching above purpose, adopt following technological scheme:
A kind of consumption-reducing variable displacement rotary compressor, the housing assembly of described rotary compressor includes upper flange, lower flange and cylinder, and upper flange, lower flange are arranged on the cylinder two ends and enclose the sealing cylinder chamber; The upper flange of described formation housing assembly or lower flange or cylinder are provided with the refluxing opening that is communicated in the cylinder chamber, refluxing opening connects the return flow line that is provided with on the housing assembly, the external port of return flow line connects a reflux line, and reflux line wore housing and was connected to the suction loop of compressor.
Wherein said reflux line is provided with stop valve.
Wherein said stop valve is the flow-controllable stop valve.
The entry end that wherein said reflux line is connected to the liquor separator of compressor enters the suction loop.
The outlet end that wherein said reflux line is connected to the liquor separator of compressor enters the suction loop.
Eccentric rotor was backflow end angle θ with the angle of slide plate on sense of rotation when the rotation of the eccentric rotor of wherein said rotary compressor made compression chamber just break away from refluxing opening, and the span of θ is 90 °≤θ≤270 °.
Wherein said backflow end angle θ is 200 °.
The beneficial effects of the utility model are: a kind of consumption-reducing variable displacement rotary compressor of the present utility model, the housing assembly of described rotary compressor includes upper flange, lower flange and cylinder, and upper flange, lower flange are arranged on the cylinder two ends and enclose the sealing cylinder chamber; The upper flange of described formation housing assembly or lower flange or cylinder are provided with the refluxing opening that is communicated in the cylinder chamber, refluxing opening connects the return flow line that is provided with on the housing assembly, the external port of return flow line connects a reflux line, and reflux line wore housing and was connected to the suction loop of compressor; Because refluxing opening is communicated to by the return flow line and sucks the loop, cylinder is just beginning the suction circuit communication of the compression chamber and the compressor of compression stage, when eccentric rotor rotates, gas in the compression chamber passes through refluxing opening, the return flow line, reflux line is back to and sucks the loop, at this moment, compare with traditional compressor, the pressure of the compression chamber of compressor is less, the resistance of slide plate is little, the power of electrical consumption is lower, when entering backflow end angle θ, eccentric rotor could stop the gas backstreaming of compression chamber, after this just can carry out the effective gas compression, reflux line is provided with the flow-controllable stop valve, uses the refrigerator at compressor, in the air-conditioning system, when a large amount of pressurized gas of needs, the flow-controllable stop valve is closed, stop gas inflow suction loop in the compression chamber, this moment, compressor and traditional compressor were as good as, and provided a large amount of pressurized gass to participate in circulation; When the ambient temperature of needs adjusting reaches the range temperature of setting, only need a spot of pressurized gas of compressor can keep under the situation of such temperature, the flow stop valve that is arranged on the reflux line is opened by system, passable minimizing available gas decrement, system can also be according to the temperature difference situation of ambient temperature and setting temperature, regulate the flow of flow-controllable stop valve, regulate the flow of reflux line reflux gas, reach the rational available gas decrement of control, so that keep suitable ambient temperature, reduce motor load and reduce power consumption, simultaneously, reduce the start-stop time of compressor, the temperature of adjusting is relatively stable, energy-saving effect is obvious, and travelling comfort is good.
Description of drawings
Fig. 1 is a rotary compressor structural representation in the rotary compressor;
Fig. 2 waves the compressor arrangement schematic representation in the rotary compressor;
Fig. 3 is the utility model rotary compressor embodiment one structural representation;
Fig. 4 is the utility model rotary compressor embodiment two structural representations;
Fig. 5 is the utility model rotary compressor embodiment three structural representations;
Backflow end angle θ positional structure schematic representation when Fig. 6 is arranged on upper and lower flange for the utility model compressor refluxing opening;
Fig. 7 is a backflow end angle θ positional structure schematic representation on the utility model compressor refluxing opening cylinder.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Embodiment one
A kind of consumption-reducing variable displacement rotary compressor, as shown in Figure 3, a kind of consumption-reducing variable displacement rotary compressor, the housing assembly of rotary compressor include upper flange 1, lower flange 2 and cylinder 3, and upper flange 1, lower flange 2 are arranged on cylinder 3 two ends and enclose sealing cylinder chamber 36; The upper flange 1 that constitutes housing assembly is provided with the refluxing opening 4 that is communicated to 36 li of cylinder chambers, upper flange 1 is provided with the return flow line 41 that connects refluxing opening 4, the external port of return flow line 41 connects a reflux line 5, the outlet end 82 that reflux line 5 wore housing 6 and was connected to compressor liquor separator 8 enters and sucks the loop, on the reflux line 5 outside housing 6 flow-controllable stop valve 7 is set.
Embodiment two
This embodiment and embodiment one are similar substantially, see Fig. 4, and difference is that the refluxing opening 4 and the return flow line 41 of present embodiment all are arranged on the cylinder 3.
Embodiment three
This embodiment and embodiment one are similar substantially, see Fig. 5, and difference is, the refluxing opening 4 and the return flow line 41 of present embodiment all are arranged on the lower flange 2, and the entry end 81 that reflux line 5 wore housing 6 and was connected to compressor liquor separator 8 enters and sucks the loop.
In order to realize refluxing preferably and effectively reduce energy consumption, refluxing opening 4 is general select when compressor compresses is worked in the cylinder chamber 36 in the baric area of pressure on the low side, eccentric roller was backflow end angle θ with the angle of slide plate 32 on sense of rotation when the eccentric roller rotation of rotary compressor made compression chamber just break away from refluxing opening 4, Fig. 6, Fig. 7 has indicated respectively and has been arranged on the refluxing opening 4, lower flange 2 and refluxing opening 4 are arranged on the schematic representation of the backflow end angle θ on the cylinder 3, through the span of experimental summary θ during in 90 °≤θ≤270 °, becoming the discharge capacity effect all can realize, when backflow end angle θ is 200 °, best results.
Consumption-reducing variable displacement rotary compressor of the present utility model, because refluxing opening 4 is communicated to by return flow line 41 and sucks the loop, cylinder 3 begins the compression chamber 34 of compression stage and the suction circuit communication of compressor just, when eccentric rotor 31 rotates, gas in the compression chamber 34 is by refluxing opening 4, return flow line 41, reflux line 5 is back to the suction loop and enters air aspiration cavity 33, at this moment, compare with traditional compressor, the pressure of the compression chamber 34 of compressor is less, the resistance of slide plate 32 is little, the power of electrical consumption is lower, could stop the gas backstreaming of compression chamber 34 when eccentric rotor 31 enters backflow end angle θ, after this just can carry out the effective gas compression, reflux line 5 is provided with flow-controllable stop valve 7, use is at the refrigerator of compressor, in the air-conditioning system, when a large amount of pressurized gas of needs, flow-controllable stop valve 7 is closed, and stops gas inflow suction loop in the compression chamber, this moment, compressor and traditional compressor were as good as, and provided a large amount of pressurized gass to participate in circulation; When the ambient temperature of needs adjusting reaches the range temperature of setting, only need a spot of pressurized gas of compressor can keep under the situation of such temperature, the flow stop valve 7 that is arranged on the reflux line 5 is opened by system, passable minimizing available gas decrement, system can also be according to the temperature difference situation of ambient temperature and setting temperature, regulate the flow of flow-controllable stop valve 7, regulate the flow of reflux line 5 reflux gas, reach the rational available gas decrement of control, so that keep suitable ambient temperature, reduce motor load and reduce power consumption, simultaneously, reduce the start-stop time of compressor, the temperature of adjusting is relatively stable, energy-saving effect is obvious, and travelling comfort is good.
The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range,, all should be included in the utility model patent claim so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify.
Claims (7)
1. consumption-reducing variable displacement rotary compressor, the housing assembly of described rotary compressor includes upper flange (1), lower flange (2) and cylinder (3), and upper flange (1), lower flange (2) are arranged on cylinder (3) two ends and enclose sealing cylinder chamber (36); It is characterized in that, upper flange of described formation housing assembly (1) or lower flange (2) or cylinder (3) are provided with the refluxing opening (4) that is communicated to cylinder chamber (36) lining, refluxing opening (4) connects the return flow line (41) that is provided with on the housing assembly, the external port of return flow line (41) connects a reflux line (5), and reflux line (5) wore housing (6) and was connected to the suction loop of compressor.
2. a kind of consumption-reducing variable displacement rotary compressor according to claim 1 is characterized in that, described reflux line (5) is provided with stop valve (7).
3. a kind of consumption-reducing variable displacement rotary compressor according to claim 2 is characterized in that, described stop valve (7) is flow-controllable stop valve (7).
4. a kind of consumption-reducing variable displacement rotary compressor according to claim 1 is characterized in that, the entry end (81) that described reflux line (5) is connected to the liquor separator (8) of compressor enters the suction loop.
6. a kind of consumption-reducing variable displacement rotary compressor according to claim 1 is characterized in that, the outlet end (82) that described reflux line (5) is connected to the liquor separator (8) of compressor enters the suction loop.
7. according to described any one consumption-reducing variable displacement rotary compressor of claim 1-6, it is characterized in that, eccentric rotor (31) was backflow end angle θ with the angle of slide plate (32) on sense of rotation when the eccentric rotor of described rotary compressor (31) rotation made compression chamber just break away from refluxing opening (4), and the span of θ is 90 °≤θ≤270 °.
8. a kind of consumption-reducing variable displacement rotary compressor according to claim 7 is characterized in that, described backflow end angle θ is 200 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201695426U CN201539404U (en) | 2009-09-24 | 2009-09-24 | Consumption-reducing variable-displacement rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201695426U CN201539404U (en) | 2009-09-24 | 2009-09-24 | Consumption-reducing variable-displacement rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539404U true CN201539404U (en) | 2010-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201695426U Expired - Lifetime CN201539404U (en) | 2009-09-24 | 2009-09-24 | Consumption-reducing variable-displacement rotary compressor |
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| CN (1) | CN201539404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2009
- 2009-09-24 CN CN2009201695426U patent/CN201539404U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100804 Effective date of abandoning: 20090924 |