CN102967092B - A kind of pressurize assembly and there is the energy-saving type air conditioner of this pressurize assembly - Google Patents
A kind of pressurize assembly and there is the energy-saving type air conditioner of this pressurize assembly Download PDFInfo
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- CN102967092B CN102967092B CN201210510209.3A CN201210510209A CN102967092B CN 102967092 B CN102967092 B CN 102967092B CN 201210510209 A CN201210510209 A CN 201210510209A CN 102967092 B CN102967092 B CN 102967092B
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Abstract
The invention provides a kind of pressurize assembly, can to be arranged between compressor and evaporimeter and to be connected with this condenser, comprise the first pressure retaining valve and the second pressure retaining valve, this first pressure retaining valve to be arranged between compressor and condenser and can be in unlatching according to the draught head between its both sides or packing state enters in condenser to allow or to stop by compressor cold media gas out, this second pressure retaining valve to be arranged between condenser and evaporimeter and can be in unlatching according to the draught head between its both sides or packing state is entered in evaporimeter by condenser cold media gas out to allow or to stop.First pressure retaining valve and the second pressure retaining valve are located at the two ends of condenser by the present invention, in the process of compressor open and close, first pressure retaining valve and the second pressure retaining valve can be opened according to the change of the draught head of its both sides or close to make the air pressure in condenser to maintain and can carry out the level of normal heat exchange with evaporimeter, improve the energy utilization efficiency of air-conditioning.The present invention also provides a kind of energy-saving type air conditioner.<!--1-->
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of pressurize assembly and there is the energy-saving type air conditioner of this pressurize assembly.
Background technology
How energy-conservation to greatest extent air-conditioning is a kind of being widely used and the higher equipment of energy consumption, and it all reduces a large amount of energy resource consumptions by for society in the small progress in energy-conservation, always therefore be that the problem solved is devoted in this field.But the situation that common air-conditioning ubiquity is so at present: when the pressure reduction of condenser and evaporimeter acquires a certain degree, just have enough exchange heat.When opening air-conditioning, compressor starts operates, and refrigerant pressure now in condenser is lower, is not enough to produce due exchange heat with the pressure reduction of evaporimeter, only when the refrigerant pressure in condenser is elevated to enough large by compressor operating a period of time, just have cold and produce.And when indoor temperature reaches the temperature of setting, compressor will quit work, the refrigerant in condenser will flow to continuing the evaporimeter being in low pressure, cause the pressure in condenser to reduce.So, when indoor temperature departs from design temperature, need again to promote pressure in condenser to realizing exchange heat by compressor.Obviously, in the course of work of air-conditioning, need the pressure repeatedly promoted by compressor in condenser, the energy of consumption is higher.
In order to improve above-mentioned energy ezpenditure and waste, prior art normally adopts and at the magnetic valve at air-conditioning closedown time control refrigeration condenser two ends, condenser is hedged off from the outer world and pressurize; When air-conditioning is opened, Controlling solenoid valve makes again to be communicated with compressor with evaporimeter by the condenser of pressurize, without the need to realizing heat exchange to the refrigerant pressurization in condenser again.But use electromagnetic valve controlling system, cost will increase greatly, be unfavorable for promoting the use of.
Summary of the invention
Main purpose of the present invention is to provide a kind of pressurize assembly, the air-conditioning power consumption with this pressurize assembly can be made lower, and cost is also lower.
For achieving the above object, the invention provides a kind of pressurize assembly, can to be arranged between compressor of air conditioner and evaporimeter and to be connected with condenser, it is characterized in that, this pressurize assembly comprises the first pressure retaining valve and the second pressure retaining valve, this first pressure retaining valve to be arranged between compressor and condenser and can be in unlatching according to the draught head between its both sides or packing state enters in condenser to allow or to stop by compressor cold media gas out, this second pressure retaining valve to be arranged between condenser and evaporimeter and can be in unlatching according to the draught head between its both sides or packing state is entered in evaporimeter by condenser cold media gas out to allow or to stop.
Preferably, also comprise throttling arrangement and capillary, described throttling arrangement is connected between this second pressure retaining valve and this evaporimeter, and one end of described capillary is connected to this second pressure retaining valve, and the other end is arranged between this throttling arrangement and this evaporimeter.
Preferably, described first pressure retaining valve and described second pressure retaining valve include the housing offering accommodating cavity and the valve module be arranged in this accommodating cavity, and this valve module can according to this accommodating cavity of draught head closure or openness of its both sides.
Preferably, described accommodating cavity has annular seal space and is communicated with sealing chamber and is greater than the conducting chamber in sealing chamber, described valve module has fixture, movable part and connects the elastic component of this fixture and this movable part, and this movable part moves to conducting chamber and this accommodating cavity of conducting from annular seal space under the effect of refrigerant.
Preferably, described annular seal space is provided with entrance away from the side of described accommodating cavity, and described entrance is communicated with described annular seal space and forms ladder deviates from housing to prevent described movable part from described annular seal space.
Preferably, the sidewall of described annular seal space is provided with a block, moves to the movable part of annular seal space for backstop under the effect of refrigerant from conducting chamber, deviates from housing to prevent described movable part from described annular seal space.
Preferably, the sidewall of described annular seal space is provided with segment length's bar shaped chute, on described movable part, corresponding chute arranges protuberance, when described sliding part moves to annular seal space from conducting chamber under the effect of refrigerant, described protuberance is fastened in chute, and deviates from housing by movable part described in the end stop of chute from described annular seal space.
Preferably, also comprise the guide member be arranged in this accommodating cavity, this guide member is fixedly connected with this fixture and extends to movable part direction, and to guide this movable part, the adjoiner in its one end towards movable part extension and described annular seal space and described conducting chamber separately.
Preferably, the movable part of the valve module of described second pressure retaining valve have in described conducting chamber refrigerant pressure normal time conducting described in accommodating cavity primary importance and when refrigerant hypertonia the second place of accommodating cavity described in conducting, this second pressurize valve housing also offers and to be connected with this conducting chamber and pressure relief vent between this primary importance and this second place.
The present invention further provides a kind of air-conditioning, comprise off-premises station and indoor set, this off-premises station comprises compressor and condenser, this indoor set comprises evaporimeter, this air-conditioning also comprises the pressurize assembly that can be arranged at and be connected between compressor of air conditioner and evaporimeter and with condenser, this pressurize assembly comprises the first pressure retaining valve and the second pressure retaining valve, this first pressure retaining valve to be arranged between compressor and condenser and can be in unlatching according to the draught head between its both sides or packing state enters in condenser to allow or to stop by compressor cold media gas out, this second pressure retaining valve to be arranged between condenser and evaporimeter and can be in unlatching according to the draught head between its both sides or packing state is entered in evaporimeter by condenser cold media gas out to allow or to stop.
Pressurize assembly provided by the present invention, comprise the first pressure retaining valve and the second pressure retaining valve that are arranged at condenser two ends, make keep higher pressure in condenser in the process opened and closed at compressor, so, when compressor is opened again, condenser just can carry out normal heat exchange with evaporimeter without the need to carrying out pressurizeing, and reduces described compressor repeatedly to the power consumption of refrigerant pressurization, thus improves the utilization ratio of energy.Meanwhile, owing to adopting the first pressure retaining valve and the second pressure retaining valve to utilize the pressure reduction before and after condenser to open voluntarily or pressurize, without the need to adopting electromagnetic valve controlling system, reducing production cost, being convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is the system principle schematic diagram of better embodiment energy-saving type air conditioner of the present invention;
Fig. 2 is the structural representation that the first pressure retaining valve in better embodiment of the present invention is in opening;
Fig. 3 is the structural representation that the first pressure retaining valve in better embodiment of the present invention is in packing state;
Fig. 4 is the structural representation that the second pressure retaining valve in better embodiment of the present invention is in opening;
Fig. 5 is the structural representation that the second pressure retaining valve in better embodiment of the present invention is in packing state;
Fig. 6 is the structural representation that the second pressure retaining valve in better embodiment of the present invention is in depressurization phase.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1, it is the system principle schematic diagram of better embodiment energy-saving type air conditioner of the present invention.In the present embodiment, energy-saving type air conditioner 10 comprises the compressor 100, condenser 300, throttling arrangement 500 and the evaporimeter 700 that are connected successively.This energy-saving type air conditioner 10 also comprises pressurize assembly and release capillary 600, pressurize assembly comprises the first pressure retaining valve 200 be arranged between compressor 100 and condenser 300 and the second pressure retaining valve 400 be arranged between condenser 300 and throttling arrangement 500, release capillary 600 one end is communicated with the second pressure retaining valve 400, and the other end is arranged between throttling arrangement 500 and evaporimeter 700.
In the present embodiment, one end of the first pressure retaining valve 200 is connected to compressor 100, and the other end is connected to condenser 300.When compressor 100 operates, the gaseous coolant of the high pressure after its pressurization enters in condenser 300, for circulating of air-conditioning 10 refrigerant provides power after flowing through the first pressure retaining valve 200.
Referring to figs. 2 and 3, wherein, Fig. 2 is the structural representation that the first pressure retaining valve in better embodiment of the present invention is in opening, and Fig. 3 is the structural representation that the first pressure retaining valve in better embodiment of the present invention is in packing state.First pressure retaining valve 200 comprises the first housing 210 and the first valve module 220.The first cavity is formed in first housing 210, this first cavity there is the first entrance, the first outlet and be connected to the first entrance and first export between the first accommodating cavity, the first accommodating cavity comprises the first annular seal space 211 and is communicated with this first annular seal space 211 and is greater than the first conducting chamber 212 of this first annular seal space 211.This first entrance is less than the first annular seal space 211 to form the first ladder between the first entrance and the first annular seal space 211, and the first annular seal space 211 is less than the first conducting chamber 212 to form the second ladder between the first annular seal space 211 and the first conducting chamber 212.
First valve module 220 is arranged in the first accommodating cavity of the first housing 210, comprises the first fixture 223 being fixed on the first conducting chamber 212, the first guide member 224 be connected with the first fixture 223, can move and open or close the first movable part 221 of the first accommodating cavity and be connected the first elastic component 222 of the first fixture 223 and the first movable part 221 under the guiding of the first guide member 224 in the first accommodating cavity.The height of described first fixture 223 and the first movable part 221 and the neat height of described first annular seal space 211, when described first movable part 221 is slipped in described first annular seal space 211, just seal described first annular seal space 211.One end of first guide member 224 is fixed to the first fixture 223, the other end towards the first annular seal space 211 extend and and adjoiner interval one distance in the first annular seal space 211 and the first conducting chamber 212 to be formed as the first pressurize hole passed through for refrigerant.In present embodiment, the size in described first pressurize hole is little compared with the width of the first movable part 221.Before compressor 100 operates, in the raw, described first movable part 221 embeds in the first annular seal space 211 and seals this first annular seal space 211 the first elastic component 222, thus this first accommodating cavity closed.
Be understandable that, in certain embodiments, the madial wall of the first annular seal space 211 arranges the strip chute with certain length, and the first movable part 221 is provided with the protuberance coordinated with strip chute.After compressor 100 cuts out, first elastic component 222 extends, first its protuberance of movable part 221 is fastened in strip chute and is embedded in the first annular seal space 211, thus close the first annular seal space 211, and described first movable part 221 stops fixing when driving protuberance to slide into the end of strip chute, and without the need to arranging the first end difference again.
Be understandable that, in certain embodiments, a block can be set on the madial wall of the first annular seal space 211, and by the first movable part 221 described in this block backstop in the first annular seal space 211, and without the need to arranging the first end difference again.
Be understandable that, in certain embodiments, the first elastic component 222 can be the flexible members such as extension spring, Compress Spring, torsionspring, flexural spring.
When compressor 100 operates, the high-pressure gaseous refrigerant after pressurization can be sent to by pipeline in the first annular seal space 211 of the first pressure retaining valve 200.Therefore the pressure that first pressure retaining valve 200 is connected to compressor 100 side be greater than the pressure that it is connected to condenser 300 side, now, under the effect of this pressure differential, first movable part 221 moves toward the direction near the first fixture 223 in the first annular seal space 211, and enters in the first conducting chamber 212 and open the first accommodating cavity.In this process, the the first pressurize hole formed by the adjacent place in the first guide member 224 and the first annular seal space 211 and the first conducting chamber 212 is opened gradually, thus high pressure refrigerant gas is entered in the first conducting chamber 212 by pressurize hole, and then enter in condenser 300.In this process, width due to the first movable part 221 is greater than the width in pressurize hole, and the height of described first fixture 223 and the first movable part 221 and the neat height of described first annular seal space 211, first movable part 221 from the first annular seal space 211 slide into expose described first pressurize hole the first conducting chamber 212 time, this the first movable part 221, first fixture 223 and the first guide member 224 form a seal, therefore, high pressure refrigerant can not enter and be trapped in the first valve module 220.As shown in Figure 3, when compressor 100 cuts out, the lateral pressure that first pressure retaining valve 200 is connected to compressor 100 reduces rapidly, first movable part 221 again slips in the first annular seal space 211 under the first elastic component 222 replys the active force of deformation, the sidewall of its two ends and the first annular seal space 211 abuts against, accommodating cavity is closed, and therefore the first pressure retaining valve 200 is in packing state, and the connected state between compressor 100 and condenser 300 is cut off.Now, the refrigerant in condenser 300 cannot be back to by the first pressure retaining valve 200 the refrigerant pressure drop causing condenser 300 in compressor 100 to compressor 100.
One end of second pressure retaining valve 400 is connected to condenser 300 one end away from compressor 100, and the other end is connected to evaporimeter 700 jointly by throttling arrangement 500 with the release capillary 600 that throttling arrangement 500 is arranged in parallel; When air-conditioning 10 works, cold media gas in condenser 300 enters in evaporimeter 700 by the second pressure retaining valve 400 and throttling arrangement 500, when air-conditioning 10 is in bad working environments operation, refrigerant in condenser 300 can also enter in evaporimeter 700, with timely release by release capillary 600 simultaneously.
In conjunction with reference to figure 4 and Fig. 5, wherein, Fig. 4 is the structural representation that the second pressure retaining valve 400 in better embodiment of the present invention is in opening, and Fig. 5 is the structural representation that the second pressure retaining valve in better embodiment of the present invention is in packing state.Second pressure retaining valve 400 is similar to the structure of the first valve module 200, comprises the second housing 410 and the second valve module 420.The second cavity is formed in second housing 410, second cavity there is the second entrance, the second outlet and be connected to the second entrance and second export between the second accommodating cavity, the second accommodating cavity comprises the second annular seal space 411 and is communicated with this second annular seal space 411 and is greater than the second conducting chamber 412 of this second annular seal space 411.Second entrance is less than the second annular seal space 411 to form the 3rd ladder between the second entrance and the second annular seal space 411, and the second annular seal space 411 is less than the second conducting chamber 412 to form four-step between the second annular seal space 411 and the second conducting chamber 412.
Second valve module 420 is arranged in the second accommodating cavity of the second housing 410, comprises the second fixture 423 being fixed on the second conducting chamber 412, the second guide member 424 be connected with the second fixture 423, can move to the second annular seal space 411 thus close the second movable part 421 of this accommodating cavity and be connected the second elastic component 422 of the second fixture 423 and the second movable part 421 under the guiding of the second guide member 424.The height of described second fixture 423 and the second movable part 421 and the neat height of described second annular seal space 411, when described second movable part 421 is slipped in described second annular seal space 411, just seal described second annular seal space 411.In the present embodiment, second guide member 424 one end is connected to the second fixture 423, and the other end then to extend and with the adjoiner in the second annular seal space 411 and the second conducting chamber 412 separately to form the second pressurize hole passed through for cold media gas towards the second annular seal space 411.Under the effect of cold media gas, second movable part 421 also can move to the second place away from the second annular seal space 411 near the primary importance of the second annular seal space 411 in the second conducting chamber 412, and can be moved to the second annular seal space 411 and closed accommodating cavity in the effect of the reply deformation of the second elastic component 422.In addition, the second housing 410 of the second pressure retaining valve 400 also offers and to be connected with the second conducting chamber 412 and pressure relief vent 413 between the primary importance position of conducting second pressure retaining valve 400 (when refrigerant pressure is normal) and the second place position of conducting second pressure retaining valve 400 (during the refrigerant hypertonia).Pressure relief vent 413 is communicated between evaporimeter 700 and throttling arrangement 500 by capillary 600.In present embodiment, the size in described first pressurize hole is little compared with the width of the first movable part 221.Before compressor 100 operates, in the raw, described second movable part 421 embeds in the second annular seal space 411 and seals this first annular seal space 411 the second elastic component 422, thus this first accommodating cavity closed.
Be understandable that, in certain embodiments, can also arrange the strip chute with certain length on the madial wall of the second annular seal space 411, the second movable part 421 is provided with the protuberance coordinated with strip chute.After compressor 100 cuts out, second elastic component 422 extends, second its protuberance of movable part 421 is fastened in strip chute and is embedded in the second annular seal space 411, thus close the second enclosed cavity 411, and described second movable part 421 stops fixing when driving protuberance to slide into the end of strip chute, and without the need to arranging the second end difference again.
Be understandable that, in certain embodiments, a block can be set on the madial wall of the second annular seal space 411.And by the second movable part 421 described in this block backstop in the second enclosed cavity 411, and without the need to arranging the second end difference again.
Be understandable that, in certain embodiments, the second elastic component 422 can also can be the flexible members such as extension spring, Compress Spring, torsionspring, flexural spring.
After compressor 100 operates, the refrigerant of the high-pressure gaseous that compressor 100 exports transfers to condenser 300, and the pressure in condenser 300 starts to increase.The pressure that second pressure retaining valve 400 is connected to condenser 300 side increases to gradually and is greater than the pressure that it is connected to throttling arrangement 500 side, second movable part 421 extrudes the second elastic component 422 and is moved from the second annular seal space 411 toward the direction near the second fixture 423 and enter in the second conducting chamber 412 and open the second accommodating cavity under the effect of this draught head, as shown in Figure 4.In this process, the second pressurize hole in second pressure retaining valve 400 is opened gradually, in this process, width due to the second movable part 421 is greater than the width in the second pressurize hole, and described second fixture 423, and second movable part 421 height and described second annular seal space 411 neat high, second movable part 421 from the second annular seal space 411 slide into expose described second pressurize hole the second conducting chamber 412 time, this second movable part 421, second fixture 423 and the second guide member 424 form a seal, therefore, high pressure refrigerant can not flow into and be trapped in the second valve module 420.The cold media gas carrying out condenser 300 therefore by this second pressurize hole in flow throttling device 500, and then enters in evaporimeter 700.When compressor 100 cuts out, second pressure retaining valve 400 is connected to condenser 300 1 end pressure and reduces rapidly, second movable part 421 slips in the second annular seal space 411 under the second elastic component 422 replys the active force of deformation, accommodating cavity is closed, therefore second pressure retaining valve 400 is in packing state, as shown in Figure 5.
So, after compressor 100 decommissions, first valve module 220 and the second valve module 420 can respectively rapid closing first pressure retaining valve 200 and the second pressure retaining valve 400 accommodating cavity and make the first pressure retaining valve 200 and the second pressure retaining valve 400 all be in packing state, make the pressure in condenser 300 can be maintained at higher level, so, when compressor 100 operates again, without the need to pressurizeing to condenser 300 again, improve the utilization ratio of energy.Further, the second pressure retaining valve 400 is in packing state after compressor 100 decommissions, and also can prevent from having pressure differential between condenser 300 and evaporimeter 700 and make refrigerant continue to input evaporimeter 700 flogging a dead horse.
On the other hand, with reference to figure 6, it is the structural representation that the second pressure retaining valve in better embodiment of the present invention is in depressurization phase.When operation of air conditioner is under outdoor high temperature or the off-premises station heat dissipation environment comparatively rugged environment such as bad, the air pressure in condenser 300 can be enlarged to intensity of anomaly.Now, the second movable part 421 continues move to the second place toward the direction near the second fixture 423 and manifest pressure relief vent 413 under the active force of this larger pressure.Therefore the refrigerant of HTHP can be entered in capillary 600 by pressure relief vent 413 simultaneously.That is to say, when refrigerant hypertonia in condenser 300, the refrigerant of HTHP exports by two passages of parallel connection simultaneously: one is connected to evaporimeter 700 by pressure relief vent 413 through release capillary 600; Article one, be connected to evaporimeter 700 by the second conducting chamber 412 through throttling arrangement 500.So, can overall throttle resistance in reduction system, make refrigerant can flow out condenser 300 fast, guarantee that the pressure of condenser 300 is down in safe range fast.
The present invention is by arranging pressurize assembly, its first pressure retaining valve 200 is arranged at compressor 100 with condenser 300 and can be according to its both sides refrigerant pressure differential and opens or packing state enters in condenser 300 to allow or to stop by compressor 100 cold media gas out, its second pressure retaining valve 400 to be arranged between condenser 300 and evaporimeter 700 and can be according to the draught head between its both sides and to open or packing state enters in evaporimeter 700 to allow or to stop by condenser cold media gas out, thus keep the pressure in condenser 300 constant in compressor 100 running with the process of closing.So, when compressor 100 operates again, without the need to pressurizeing to condenser 300 again, improve the utilization ratio of energy.Simultaneously, when compressor 100 load is excessive or hypertonia in condenser 300 time, part cold media gas enters in release capillary 600 by the pressure relief vent be arranged on the second pressure retaining valve 400, thus the refrigerant in condenser 300 is flowed out fast by release capillary 600 and throttling arrangement 500, guarantee the pressure in condenser 300 to remain on normal level.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a pressurize assembly, can to be arranged between compressor of air conditioner and evaporimeter and to be connected with condenser, it is characterized in that, this pressurize assembly comprises the first pressure retaining valve and the second pressure retaining valve, this first pressure retaining valve to be arranged between compressor and condenser and can be in unlatching according to the draught head between its both sides or packing state enters in condenser to allow or to stop by compressor cold media gas out, this second pressure retaining valve to be arranged between condenser and evaporimeter and can be in unlatching according to the draught head between its both sides or packing state enters in evaporimeter to allow or to stop by condenser cold media gas out,
Described first pressure retaining valve and described second pressure retaining valve include the housing offering accommodating cavity and the valve module be arranged in this accommodating cavity, and this valve module can according to this accommodating cavity of draught head closure or openness of its both sides;
Described accommodating cavity has annular seal space and is communicated with sealing chamber and is greater than the conducting chamber in sealing chamber, described valve module has fixture, movable part and connects the elastic component of this fixture and this movable part, and this movable part moves to conducting chamber and this accommodating cavity of conducting from annular seal space under the effect of refrigerant.
2. pressurize assembly as claimed in claim 1, it is characterized in that, also comprise throttling arrangement and capillary, described throttling arrangement is connected between this second pressure retaining valve and this evaporimeter, one end of described capillary is connected to this second pressure retaining valve, and the other end is arranged between this throttling arrangement and this evaporimeter.
3. pressurize assembly as claimed in claim 1, it is characterized in that, described annular seal space is provided with entrance away from the side of described accommodating cavity, and described entrance is communicated with described annular seal space and forms ladder deviates from housing to prevent described movable part from described annular seal space.
4. pressurize assembly as claimed in claim 1, it is characterized in that, the sidewall of described annular seal space is provided with a block, moves to the movable part of annular seal space for backstop under the effect of refrigerant from conducting chamber, deviates from housing to prevent described movable part from described annular seal space.
5. pressurize assembly as claimed in claim 1, it is characterized in that, the sidewall of described annular seal space is provided with segment length's bar shaped chute, on described movable part, corresponding chute arranges protuberance, when described sliding part moves to annular seal space from conducting chamber under the effect of refrigerant, described protuberance is fastened in chute, and deviates from housing by movable part described in the end stop of chute from described annular seal space.
6. pressurize assembly as claimed in claim 1, it is characterized in that, also comprise the guide member be arranged in this accommodating cavity, this guide member is fixedly connected with this fixture and extends to movable part direction, to guide this movable part, the adjoiner in its one end towards movable part extension and described annular seal space and described conducting chamber separately.
7. pressurize assembly as claimed in claim 1, it is characterized in that, the movable part of the valve module of described second pressure retaining valve have in described conducting chamber refrigerant pressure normal time conducting described in accommodating cavity primary importance and when refrigerant hypertonia the second place of accommodating cavity described in conducting, this second pressurize valve housing also offers and to be connected with this conducting chamber and pressure relief vent between this primary importance and this second place.
8. an air-conditioning, comprises off-premises station and indoor set, and this off-premises station comprises compressor and condenser, and this indoor set comprises evaporimeter, it is characterized in that, also comprises the pressurize assembly as described in any one of claim 1-7.
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| CN201210510209.3A CN102967092B (en) | 2012-11-30 | 2012-11-30 | A kind of pressurize assembly and there is the energy-saving type air conditioner of this pressurize assembly |
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| CN201210510209.3A CN102967092B (en) | 2012-11-30 | 2012-11-30 | A kind of pressurize assembly and there is the energy-saving type air conditioner of this pressurize assembly |
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| CN109990511A (en) * | 2019-04-30 | 2019-07-09 | 宁波奥克斯电气股份有限公司 | A kind of throttling set and air conditioner |
| CN110285594A (en) * | 2019-06-13 | 2019-09-27 | 合肥美的电冰箱有限公司 | Refrigeration system and its control method, refrigeration equipment, electronic equipment and medium |
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| CN1515851A (en) * | 2003-01-11 | 2004-07-28 | 合肥美菱股份有限公司 | Condenser pressure-retaining energy-saving type refrigeration system for refrigerator |
| CN2864515Y (en) * | 2005-11-28 | 2007-01-31 | 海信集团有限公司 | Energy-saving refrigerating system for refrigerator |
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| CN201476393U (en) * | 2009-06-03 | 2010-05-19 | 合肥晶弘电器有限公司 | Pressure maintaining refrigeration system of evaporator |
| CN201637183U (en) * | 2010-04-30 | 2010-11-17 | 徐为民 | Pressure maintaining system of ice cream maker |
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