CN204705070U - A kind of cold and heat combined supply all-in-one of double evaporators - Google Patents
A kind of cold and heat combined supply all-in-one of double evaporators Download PDFInfo
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- CN204705070U CN204705070U CN201520329286.8U CN201520329286U CN204705070U CN 204705070 U CN204705070 U CN 204705070U CN 201520329286 U CN201520329286 U CN 201520329286U CN 204705070 U CN204705070 U CN 204705070U
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- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 52
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 16
- 238000009833 condensation Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010792 warming Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a kind of cold and heat combined supply all-in-one of double evaporators, belongs to energy class field of energy-saving technology.The utility model comprises evaporimeter I, evaporimeter II, compressor, four-way change-over valve, tube-in-tube condenser, throttling arrangement, valve I, valve II; One end of described evaporimeter I is connected with valve II, and the other end of evaporimeter I is connected with the P mouth of evaporimeter II, four-way change-over valve respectively; One end of evaporimeter II is connected with valve I, and the other end of evaporimeter II is connected with the P mouth of four-way change-over valve; Concrete, the P mouth threeway of evaporimeter I, evaporimeter II and four-way change-over valve couples together; Throttling arrangement outlet adopts threeway to be connected with valve I, valve II.The utility model regulates the unmatched situation of the cooling and heating load required for user by double evaporators, realizes heating according to need, cooling on demand, improves the cooling and warming efficiency of unit, allows unit Effec-tive Function, has very strong practicality.
Description
Technical field
The utility model relates to a kind of cold and heat combined supply all-in-one of double evaporators, belongs to energy class field of energy-saving technology.
Background technology
Under the dual-pressure of energy crisis, environmental crisis, energy-saving and emission-reduction have become the topic that people receive much concern.Heat pump is a kind of based on inverse Carnot cycle, draw heat from low level heat energy, and a kind of efficient energy-saving device transferring heat to high-order thermal source.Heat pump as a kind of form of air-conditioning, in the building heat and cold sources be widely used in.It mainly forms component evaporimeter, condenser, throttling arrangement and compressor.Air source heat pump when summer operation, by a large amount of condensation heat through condenser discharge in environment, also result in environmental thermal pollution while causing energy waste.Consider from Energy Angle, recycling carried out to its condensation heat produced in cooling in summer process, be no matter this recovering condensing heat to provide the system of heat, the system of cold recovery recycling when still heating, system produced is all cold-hot combined supply system.
Cold and heat combined supply all-in-one, when can be implemented in summer operation, productive life hot water while indoor refrigeration.During winter operation, the chilled water of uniform temperature can also be produced for the storage of grain and the fresh-keeping of vegetables except producing the hot water be used for for warm life.But the cold-hot combined supply system of routine, along with the energy efficiency coefficient of the change system of running time will reduce.Because when system evaporator pressure remains unchanged substantially, along with the rising of condensation temperature/pressure, the pressure ratio of compressor will increase, and gas transmission coefficient will reduce, and the refrigerating capacity of system unit volume will reduce.In addition, the temperate zone that, refrigeration duty large for thermic load is little, system also there will be the unmatched situation of cooling and heating load.Therefore, the system architecture of reasonable reformation cold and heat combined supply all-in-one, the matching problem solving hot and cold load in building energy consumption becomes the key point of meeting consumers' demand, improving systematic function, reducing building energy consumption.
Summary of the invention
The technical problems to be solved in the utility model is: the utility model provides a kind of cold and heat combined supply all-in-one of double evaporators, solve the mismatch problem that in building energy consumption, refrigeration duty is little, thermic load is large, the evaporating temperature of regulating system, thus improve systematic function, reduction building energy consumption.
Technical solutions of the utility model are: a kind of cold and heat combined supply all-in-one of double evaporators, comprise evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter I 1 evaporation endothermic; Circulation like this completes cold and heat combined supply.
The utility model, on the basis of conventional cold-hot combined supply system structure, adopts increase air-cooled evaporimeter, and it is in parallel with the bushing type evaporimeter in original system, solves the unmatched situation of cooling and heating load.The structure of double evaporators cold and heat combined supply all-in-one reasonable in design, after satisfied indoor refrigeration duty demand, systematic evaluation is to outdoor air-cooled evaporimeter pump warm from air, make up the difference of cooling and heating load, the evaporating temperature of regulating system, still can Effec-tive Function while making system meet cooling and heating load coupling;
When cold and heat combined supply, for the unmatched situation of hot and cold load, adopt evaporimeter I 1 in parallel with evaporimeter II 2, from low-temperature heat source, pump heat, meets the demand of user to heat; Wherein evaporimeter I 1 is for making up the difference of thermic load and refrigeration duty from low-temperature heat source pump heat, and evaporimeter II 2, for refrigeration, meets indoor refrigeration duty.
Operation principle of the present utility model is:
When equipment brings into operation, air-cooled evaporimeter does not work, and bushing type evaporator operation carrys out completion system recuperated cycle, and now unit freezes simultaneously and heats (cold and heat combined supply).When after satisfied indoor refrigeration duty demand, evaporimeter is switched to outdoor air-cooled evaporimeter, make up the difference between cooling and heating load by air-cooled evaporimeter pump heat from air, regulate evaporating temperature, ensure that system high efficiency runs.
Concrete principle is as follows:
If when indoor temperature is higher than threshold temperature set by external control system, open valve I 7, valve-off II 8 simultaneously, now adopts and is arranged on indoor evaporimeter II 2 and absorbs heat, utilize indoor heat to carry out the demand of thermic load;
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
If when indoor temperature is lower than threshold temperature set by external control system, valve-off I 7, opens valve II 8 simultaneously, now adopt and be arranged on outdoor evaporimeter I 1 and absorb heat, utilize outdoor heat to carry out the demand of thermic load;
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter I 1 evaporation endothermic; Circulation like this completes cold and heat combined supply.
If during the external control system of the cold and heat combined supply all-in-one of this double evaporators, so threshold temperature can be set accordingly, and realize the action of automatic switch valve, if when the cold and heat combined supply all-in-one of this double evaporators does not have an external control system, so user can according to the change of the perception indoor temperature of oneself manual go open or close corresponding valve and go to realize cold and heat combined supply.
The beneficial effects of the utility model are:
This device regulates the unmatched situation of the cooling and heating load required for user by double evaporators, realizes heating according to need, cooling on demand, improves the cooling and warming efficiency of unit, allows unit Effec-tive Function, has very strong practicality;
This device is by switching to air-cooled evaporimeter by bushing type evaporimeter, and the evaporating temperature of regulating system, ensures the Effec-tive Function of system.Thus both ensured to provide heat, shorten operation hours again, improve the operating efficiency of equipment, reach energy-conservation object.Various refrigeration duty can be widely used in little, the occasion that thermic load is large.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Each label in Fig. 1: 1-evaporimeter I, 2-evaporimeter II, 3-compressor, 4-four-way change-over valve, 5-tube-in-tube condenser, 6-throttling arrangement, 7-valve I, 8-valve II.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
Embodiment 2: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
Embodiment 3: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
Embodiment 4: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter I 1 evaporation endothermic; Circulation like this completes cold and heat combined supply.
Embodiment 5: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
If when indoor temperature is higher than threshold temperature set by external control system, open valve I 7, valve-off II 8 simultaneously, now adopts and is arranged on indoor evaporimeter II 2 and absorbs heat, utilize indoor heat to carry out the demand of thermic load;
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
Embodiment 6: as shown in Figure 1, a kind of cold and heat combined supply all-in-one of double evaporators, comprises evaporimeter I 1, evaporimeter II 2, compressor 3, four-way change-over valve 4, tube-in-tube condenser 5, throttling arrangement 6, valve I 7, valve II 8; One end of described evaporimeter I 1 is connected with valve II 8, and the other end of evaporimeter I 1 is connected with the P mouth of evaporimeter II 2, four-way change-over valve 4 respectively; One end of evaporimeter II 2 is connected with valve I 7, and the other end of evaporimeter II 2 is connected with the P mouth of four-way change-over valve 4; Concrete, the P mouth threeway of evaporimeter I 1, evaporimeter II 2 and four-way change-over valve 4 couples together; Throttling arrangement 6 outlet adopts threeway to be connected with valve I 7, valve II 8;
The A mouth of described four-way change-over valve 4 is connected with the air entry of compressor 3, and the gas outlet of compressor 3 is connected with the B mouth of four-way change-over valve 4, and the T mouth of four-way change-over valve 4 is connected with the entrance of tube-in-tube condenser 5; The outlet of tube-in-tube condenser 5 is connected with the entrance of throttling arrangement 6.
Described evaporimeter I 1 is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II 2 is placed on indoor, adopts bushing type evaporimeter.
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II 2 evaporation endothermic; Circulation like this completes cold and heat combined supply.
If when indoor temperature is lower than threshold temperature set by external control system, valve-off I 7, opens valve II 8 simultaneously, now adopt and be arranged on outdoor evaporimeter I 1 and absorb heat, utilize outdoor heat to carry out the demand of thermic load;
The refrigerant vapour of HTHP is become after described compressor 3 compresses the refrigerant vapour of low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser 5, by after tube-in-tube condenser 5 condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement 6 reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter I 1 evaporation endothermic; Circulation like this completes cold and heat combined supply.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (4)
1. a cold and heat combined supply all-in-one for double evaporators, is characterized in that: comprise evaporimeter I (1), evaporimeter II (2), compressor (3), four-way change-over valve (4), tube-in-tube condenser (5), throttling arrangement (6), valve I (7), valve II (8); One end of described evaporimeter I (1) is connected with valve II (8), and the other end of evaporimeter I (1) is connected with the P mouth of evaporimeter II (2), four-way change-over valve (4) respectively; One end of evaporimeter II (2) is connected with valve I (7), and the other end of evaporimeter II (2) is connected with the P mouth of four-way change-over valve (4); Concrete, the P mouth threeway of evaporimeter I (1), evaporimeter II (2) and four-way change-over valve (4) couples together; Throttling arrangement (6) outlet adopts threeway to be connected with valve I (7), valve II (8);
The A mouth of described four-way change-over valve (4) is connected with the air entry of compressor (3), and the gas outlet of compressor (3) is connected with the B mouth of four-way change-over valve (4), and the T mouth of four-way change-over valve (4) is connected with the entrance of tube-in-tube condenser (5); The outlet of tube-in-tube condenser (5) is connected with the entrance of throttling arrangement (6).
2. the cold and heat combined supply all-in-one of double evaporators according to claim 1, is characterized in that: described evaporimeter I (1) is placed on outdoor, adopts air cooling fin formula evaporimeter; Evaporimeter II (2) is placed on indoor, adopts bushing type evaporimeter.
3. the cold and heat combined supply all-in-one of double evaporators according to claim 1, it is characterized in that: the refrigerant vapour becoming HTHP after the refrigerant vapour of described compressor (3) compression low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser (5), by after tube-in-tube condenser (5) condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement (6) reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter II (2) evaporation endothermic; Circulation like this completes cold and heat combined supply.
4. the cold and heat combined supply all-in-one of double evaporators according to claim 1, it is characterized in that: the refrigerant vapour becoming HTHP after the refrigerant vapour of described compressor (3) compression low-temp low-pressure, the refrigerant vapour of HTHP enters tube-in-tube condenser (5), by after tube-in-tube condenser (5) condensation being the refrigerant liquid of cryogenic high pressure, it is the liquid of low-temp low-pressure that the refrigerant liquid of cryogenic high pressure flows through throttling arrangement (6) reducing pressure by regulating flow, and the liquid of low-temp low-pressure is the gas of low-temp low-pressure through evaporimeter I (1) evaporation endothermic; Circulation like this completes cold and heat combined supply.
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| CN201520329286.8U CN204705070U (en) | 2015-05-21 | 2015-05-21 | A kind of cold and heat combined supply all-in-one of double evaporators |
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| CN201520329286.8U CN204705070U (en) | 2015-05-21 | 2015-05-21 | A kind of cold and heat combined supply all-in-one of double evaporators |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896786A (en) * | 2015-05-21 | 2015-09-09 | 昆明理工大学 | Combined cooling and heating integrated machine with double evaporators |
| CN114223409A (en) * | 2021-12-24 | 2022-03-25 | 西安交通大学 | Tempering system utilizing air source heat pump and ultrasonic equipment |
| US11435124B2 (en) | 2018-02-28 | 2022-09-06 | Carrier Corporation | Refrigeration system with leak detection |
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2015
- 2015-05-21 CN CN201520329286.8U patent/CN204705070U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896786A (en) * | 2015-05-21 | 2015-09-09 | 昆明理工大学 | Combined cooling and heating integrated machine with double evaporators |
| US11435124B2 (en) | 2018-02-28 | 2022-09-06 | Carrier Corporation | Refrigeration system with leak detection |
| CN114223409A (en) * | 2021-12-24 | 2022-03-25 | 西安交通大学 | Tempering system utilizing air source heat pump and ultrasonic equipment |
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Granted publication date: 20151014 Termination date: 20170521 |