CN202328903U - Composite cooling and heating system - Google Patents
Composite cooling and heating system Download PDFInfo
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- CN202328903U CN202328903U CN2011204536058U CN201120453605U CN202328903U CN 202328903 U CN202328903 U CN 202328903U CN 2011204536058 U CN2011204536058 U CN 2011204536058U CN 201120453605 U CN201120453605 U CN 201120453605U CN 202328903 U CN202328903 U CN 202328903U
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Abstract
The utility model provides a composite cooling and heating system, which comprises a main compressor used for compressing a first coolant until the first coolant is at a high temperature and under a high pressure, a condenser used for exchanging the heat of the first coolant received from the main compressor and the indoor air or the water in a water tank and exchanging the heat of the first coolant received from a main expansion part during refrigeration and the indoor air or the water in the water tank, the main expansion part used for expanding the first coolant received, a main evaporator used for making the received first coolant exchange heat with the external air, a condensation and evaporation heating heat exchanger used for exchanging the heat of the first coolant received from the condenser, a second coolant from a coolant heating device and the first coolant from the main evaporator during heating, a bypass water pipe used for supplying the first coolant from the main expansion part to the condenser during refrigeration, and the coolant heating device used for heating the first coolant from the main evaporator during heating. The composite cooling and heating system implements stable operation of the compressor and reduces the energy required by the compressor.
Description
Technical field
The utility model relates to hot braking technique field; Particularly; Relate to a kind of heating or preparation during warm water under the gaseity outside the ultralow temperature in cold district or winter, can realize superperformance and can realize the compound cooling/warming system of the stable operation of compressor with lower expense.
Background technology
Developed at present and utilized fossil fuel or utilize electrical load that metal is burnt heat and utilize its heating or prepare the method for warm water; By means of relevant application; The new renewable sources of energy as the solar heat (sunshine) of the new renewable sources of energy, underground heat, power from ocean tides, wind-force, air heat etc.; Just becoming the focus of research, and studying and how to use these new renewable sources of energy to realize method for saving energy.
As one of them, utilized the equipment of the heating of heat pump equipment, refrigeration and preparation warm water at present by a large amount of productions and universal having, wherein, heat pump equipment utilization nature clean energy resource, i.e. air heat (atmosphere latent heat) or hydro-thermal source (underground heat).Utilize the cooling/warming system of air (atmosphere latent heat) to have manufacturing and comparatively simple and the lower advantage of expense are installed; But its performance sharply descends at low temperatures; Refrigerant causes compressor to produce fault with liquid inflow compressor, thereby causes in the use of equipment, existing more problem.
In order to address the above problem; Utilize inefficient heating wire (auxiliary heater) to replenish not enough heat; Perhaps use the boiler utilize fossil fuel simultaneously, perhaps making great efforts to develop comparatively complicated and fail to be verified at the electricity-saving function on the SEER, the frequency-changeable compressor that operating efficiency is indeterminate, price is higher under the low temperature etc.
And, also have no idea to solve the problem that refrigerant breaks down high frequent with liquid inflow compressor when low temperature drives.
Above-mentioned cooling/warming system is in when heating, and the low temperature refrigerant that flows out from off-premises station flows directly into compressor, therefore at compressor with its refrigerant that is compressed into HTHP, need more heat transfer, and have problems on the frame for movement.
The existing cooling/warming system that is used to address the above problem comprises: the compressor that refrigerant is compressed into HTHP; Be arranged on indoor; Make refrigerant and the indoor set that room air carries out heat exchange each other from compressor input, be arranged on indoor, the off-premises station that is used to make refrigerant and the outer gas phase of input to carry out heat exchange between mutual; And when heating, the refrigerant that refrigerant that indoor set discharges and off-premises station are discharged carries out the heat exchange department of supply compressor behind the refrigerant that heat exchange heating off-premises station discharges.
But, existing cooling/warming system outside the ultralow temperature in cold district or winter under the gaseity temperature of the refrigerant of supply compressor lower, at compressor it being compressed into HTHP needs more heat, and also has some problems on the mechanicalness structure.
The utility model content
Consider the above-mentioned background technology; A purpose of the utility model provides a kind of refrigerant heater; It can be for looping back the refrigerant heating of compressor; Another purpose of the utility model provides a kind of compound cooling/warming system, not only can solve aqueous refrigerant and flow into the problem that compressor causes compressor fault, can also solve the problem that needs a large amount of heats when compressor compresses the refrigerant of lowering the temperature again.
An aspect according to the utility model; A kind of compound cooling/warming system is provided; Comprise: main compressor, be connected to condensed device and condensing evaporation reheat heat exchanger, be used for when heating; First refrigerant is compressed into first refrigerant of HTHP and inputs to said condensed device and in when refrigeration, first refrigerant is compressed into first refrigerant of HTHP and inputs to said condensing evaporation reheat heat exchanger; Said condensed device; Be used for when heating; Reception is from first refrigerant of the said HTHP of said main compressor; Make itself and room air or carry out heat exchange and when the refrigeration, receive first refrigerant of autonomous bulge, make itself and room air or carry out heat exchange from the inflow water of water tank from the inflow water of water tank; Said main bulge; Be arranged between said condensing evaporation reheat heat exchanger and the main evaporator; When heating; Reception is expanded from first refrigerant of said condensing evaporation reheat heat exchanger discharge and with it, and when refrigeration, reception transfers to said condensed device after expanding from first refrigerant of said main evaporator and with it; Said main evaporator; Be connected to said main bulge and said condensing evaporation reheat heat exchanger, when heating, receive first refrigerant from said main bulge; Make first refrigerant of reception carry out transferring to said condensing evaporation reheat heat exchanger after the heat exchange with outer gas; And when refrigeration, receive first refrigerant from said condensing evaporation reheat heat exchanger, make first refrigerant of reception and outer gas carry out transferring to said main bulge after the heat exchange; Said condensing evaporation reheat heat exchanger; Be arranged between said condensed device and the said main evaporator; Be used for when heating; Reception from first refrigerant of said condensed device, receive from second refrigerant of refrigerant heater and receive from first refrigerant of said main evaporator and make the three carry out heat exchange; First refrigerant from said main evaporator that will pass through after the heat exchange inputs to said main compressor, and when refrigeration, will transfer to said main bulge from first refrigerant of said main compressor; Bypass hose is arranged between said condensed device and the said main bulge, is used for when refrigeration, will supplying with said condensed device from first refrigerant of said main bulge; And said refrigerant heater, when heating, be first refrigerant heating from said main evaporator.Utilize the refrigerant heater just can first refrigerant of cooling further be heated; Required heat when reducing main compressor significantly first refrigerant being compressed into HTHP; And can also aqueous refrigerant be evaporated to gas fully in conjunction with condensing evaporation reheat heat exchanger, avoid aqueous refrigerant to flow into the problem that main compressor causes main compressor to break down.
In technique scheme; Preferably; Said refrigerant heater can comprise: driven compressor; Be connected to said condensing evaporation reheat heat exchanger and driven heat exchanger, reception is compressed into second refrigerant of HTHP and it is inputed to said condensing evaporation reheat heat exchanger from second refrigerant of said driven heat interaction device and with said second refrigerant; Said driven heat exchanger; Reception is from second refrigerant of said condensing evaporation reheat heat exchanger with from second refrigerant of driven evaporimeter; Make the two carry out heat exchange; Second refrigerant from said condensing evaporation reheat heat exchanger that will pass through after the heat exchange inputs to driven bulge, and second refrigerant from said driven evaporimeter that will pass through after the heat exchange inputs to said driven compressor; Said driven bulge is connected to said driven heat exchanger and said driven evaporimeter, carries out transferring to said driven evaporimeter after the expansion process through second refrigerant from said condensing evaporation reheat heat exchanger after the heat exchange with said; And said driven evaporimeter, receive from second refrigerant of said driven bulge and make second refrigerant of reception and outer gas carry out transferring to said driven heat exchanger after the heat exchange.
In technique scheme, preferably, said refrigerant heater can also comprise: first air propeller, be used for promoting second refrigerant of said driven evaporimeter and said outside the heat exchange of gas.
In technique scheme; Preferably, said refrigerant heater can also comprise: first switch valve, second switch valve, the 3rd switch valve and the 4th switch valve, said first switch valve be arranged on said driven bulge and on the comb between the driven evaporimeter; Said second switch valve is arranged on the comb between said driven evaporimeter and the said driven heat exchanger; Said the 3rd switch valve is arranged on first comb between said driven evaporimeter and the said main evaporator, and said the 4th switch valve is arranged on second comb between said driven evaporimeter and the said main evaporator, when refrigeration; Open said first switch valve and said second switch valve; Cut off the path between said driven evaporimeter and the said driven heat exchanger, closed said the 3rd switch valve and said the 4th switch valve are opened the path between said driven evaporimeter and the said main evaporator; Making first refrigerant that flows into said main evaporator be transferred to said driven evaporimeter simultaneously evaporates; And when heating, closed said first switch valve and said second switch valve are opened the path between said driven evaporimeter and the said driven heat exchanger; Open said the 3rd switch valve and said the 4th switch valve, cut off the path between said driven evaporimeter and the said main evaporator.When refrigeration, driven evaporimeter uses with main evaporator, has increased the size of evaporimeter, has improved the efficient that refrigerant and outer gas carry out heat exchange.
In technique scheme; Preferably; Said condensing evaporation reheat heat exchanger can comprise: go up end structure and lower end structure; First refrigerant of discharging from said condensed device is flowed through and is inputed to said main bulge after the said lower end structure, and second refrigerant of discharging from said driven compressor is flowed through and saidly inputed to said driven heat-heat exchanger after going up end structure, and first refrigerant of discharging from said main evaporator is successively through said lower end structure with saidly input to said main compressor after going up end structure.
In technique scheme; Preferably, said going up between end structure and the lower end structure is provided with heat exchanger plate, and said heat exchanger plate is provided with through hole; First refrigerant of discharging from said main evaporator is flowed through after the said lower end structure, passes said through hole and flows to the said end structure of going up.
Like this; Can make the heat exchange between second refrigerant of first refrigerant that condensed device discharges and the discharge of driven compressor be reduced to minimum; And also reduced the temperature of first refrigerant that condensed device 20 discharges, first refrigerant that main evaporator is discharged then can be with the state transfer of high temperature more to main compressor.
In technique scheme, preferably, can also comprise: second air propeller, be used for promoting first refrigerant of said main evaporator and said outside the heat exchange of gas.
In technique scheme; Preferably, can also comprise: the 5th switch valve is arranged on the comb of the both sides that are connected in said condensing evaporation reheat heat exchanger; Be used for regulating so that when refrigeration, will input to said Bypass hose from first refrigerant of said main bulge.
In technique scheme, preferably, can also comprise: cross valve, be connected to said main compressor, be used to regulate the peripheral passage of first refrigerant when heating or when freezing.
In technique scheme, preferably, said refrigerant heater can be for a plurality of.
Technical scheme according to the utility model; Solved that compressor needs a large amount of heats that problem and the aqueous refrigerant that refrigerant be compressed into high-temperature high-pressure state got into the problem that compressor causes compressor fault in the correlation technique; And improved the heat exchanger effectiveness of evaporimeter, outside the ultralow temperature in cold district or winter, can realize superperformance and realize the stable operation of compressor with lower expense when heating or preparation warm water under the gaseity.
Description of drawings
Fig. 1 shows the sketch map according to the compound cooling/warming system of the embodiment of the utility model;
Fig. 2 shows the sketch map according to the compound cooling/warming system of another embodiment of the utility model;
Fig. 3 shows the sketch map according to the compound cooling/warming system of another embodiment of the utility model;
Fig. 4 shows the sketch map according to the compound cooling/warming system of the another embodiment of the utility model;
Fig. 5 show according to the another embodiment of the utility model be used to warm oneself the time the sketch map of compound cooling/warming system; And
Fig. 6 show according to the another embodiment of the utility model be used to freeze the time the sketch map of compound cooling/warming system.
The specific embodiment
In order more to be expressly understood above-mentioned purpose, the feature and advantage of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawing and the specific embodiment.
A lot of details have been set forth in the following description so that make much of the utility model; But; The utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following disclosed specific embodiment.
Fig. 1 shows the sketch map according to the compound cooling/warming system of the embodiment of the utility model.
As shown in Figure 1; Compound cooling/warming system according to the embodiment of the utility model comprises: main compressor 10; Be connected to condensed device 20 and condensing evaporation reheat heat exchanger 40; Be used in when heating, first refrigerant is compressed into first refrigerant of HTHP and inputs to condensed device 20 and when the refrigeration, first refrigerant is compressed into first refrigerant of HTHP and inputs to condensing evaporation reheat heat exchanger 40; Condensed device 20; Be used for when heating; Reception is from first refrigerant of the HTHP of main compressor 10; Make itself and room air or carry out heat exchange and when the refrigeration, receive first refrigerant of autonomous bulge 50, make itself and room air or carry out heat exchange from the inflow water of water tank from the inflow water of water tank; Main bulge 50; Be arranged between condensing evaporation reheat heat exchanger 40 and the main evaporator 30; When heating; Reception is expanded from first refrigerant of condensing evaporation reheat heat exchanger 40 discharges and with it, and when refrigeration, reception transfers to condensed device 20 after expanding from first refrigerant of main evaporator 30 and with it; Main evaporator 30; Be connected to main bulge 50 and condensing evaporation reheat heat exchanger 40, when heating, receive first refrigerant of autonomous bulge 50; Make first refrigerant of reception carry out transferring to condensing evaporation reheat heat exchanger 40 after the heat exchange with outer gas; And when refrigeration, receive first refrigerant from condensing evaporation reheat heat exchanger 40, make first refrigerant of reception and outer gas carry out transferring to main bulge 50 after the heat exchange; Condensing evaporation reheat heat exchanger 40; Be arranged between condensed device 20 and the main evaporator 30; Be used in when heating, receive first refrigerant from condensed device 20, receive from second refrigerant of refrigerant heater 82 and receive from first refrigerant of main evaporator 30 and make the three carry out heat exchange, first refrigerant from main evaporator 30 that will pass through after the heat exchange inputs to main compressor 10; And when refrigeration, will transfer to main bulge 50 from first refrigerant of main compressor 10; Bypass hose 60 is arranged between condensed device 20 and the main bulge 50, is used for when refrigeration, and first refrigerant of in the future autonomous bulge is supplied with condensed device; And the refrigerant heater, when heating, be first refrigerant heating from main evaporator 30.Utilize refrigerant heater 80 just can first refrigerant of cooling further be heated; Required heat when reducing main compressor significantly first refrigerant being compressed into HTHP; And can also aqueous refrigerant be evaporated to gas fully in conjunction with condensing evaporation reheat heat exchanger 40, avoid aqueous refrigerant to flow into the problem that main compressor 10 causes main compressor 10 to break down.
Fig. 2 shows the sketch map according to the compound cooling/warming system of another embodiment of the utility model.
As shown in Figure 2, comprise main compressor 10, condensed device 20, main evaporator 30, condensing evaporation reheat heat exchanger 40, main bulge 50, Bypass hose 60 and refrigerant heater 80 according to the compound cooling/warming system of another embodiment of the utility model.
Condensed device 20 is configured to and can carries out the heat exchange shape with room air or the inflow water that flows into from cold water/reservoir 70; When heating; First refrigerant that it receives the HTHP of discharging from main compressor 10 makes first refrigerant and room air at condensed device 20 internal circulations perhaps between the inflow water of cold water/reservoir 70 outflows, carry out heat exchange.Like this; Condensed device 20 makes from first refrigerant of the HTHP of main compressor 10 discharges and room air and perhaps carries out heat exchange from the inflow water that cold water/reservoir 70 flows out, and improves indoor temperature, warms oneself with realization; Perhaps improve the cold water/warm water in the water tank 70, to realize preparation hot water.When refrigeration, it receives first refrigerant from main evaporator 30, and this of reception first refrigerant absorbs latent heat from the warm water of room air or water tank 70, reduces indoor temperature, realizes air cooling or reduces the temperature that flows into water, realizes preparation cold water.
Condensing evaporation reheat heat exchanger 40 is arranged between condensed device 20 and the main evaporator 30; When heating; Second refrigerant that the driven compressor of stating after first refrigerant that reception condensed device 20 is discharged, the reception 81 is discharged and first refrigerant that receives main evaporator 30 discharges make the three carry out heat exchange.Like this; First refrigerant that main evaporator 30 is discharged rises through condensing evaporation reheat heat exchanger 40 back temperature; First refrigerant input main compressor 10 that then temperature is risen; After carrying out heat exchange from first refrigerant of condensed device 20 with from first refrigerant that second refrigerant and the main evaporator 30 of driven compressor 81 are discharged, temperature all descends.When refrigeration, driven compressor 81 does not move, and first refrigerant that main compressor 10 is discharged flows into main evaporator 30 through condensing evaporation reheat heat exchanger 40 backs; Because driven compressor 81 does not move; Therefore, in condensing evaporation reheat heat exchanger 40, can not flow into second refrigerant, and first refrigerant that main evaporator 30 is discharged is shunted (without condensing evaporation reheat heat exchanger 40); Therefore, just heat exchange can not take place in condensing evaporation reheat heat exchanger 40.
Driven compressor 81 is connected to condensing evaporation reheat heat exchanger 40 and driven heat exchanger 82; It receives second refrigerant from driven heat exchanger 82, and second refrigerant that driven heat exchanger 82 is discharged inputs to condensing evaporation reheat heat exchanger 40 after being compressed into second refrigerant of HTHP.
Driven heat exchanger 82 is arranged between condensing evaporation reheat heat exchanger 40 and the driven evaporimeter 84; Second refrigerant that second refrigerant that reception is discharged from condensing evaporation heater 40 and driven evaporimeter 84 are discharged; Both are carried out heat exchange; The temperature of second refrigerant that reduction is discharged from condensing evaporation heater 40 improves the temperature of second refrigerant that driven evaporimeter 84 discharges.Second refrigerant that from driven heat exchanger 82, heats up, from driven evaporimeter, discharge in 84 is supplied with driven compressor 81 again; Rely on this driven interchanger 82; Second refrigerant of the liquid state that will in driven evaporimeter 82, fail to evaporate fully carries out forced evaporation; The latent heat of second refrigerant that condensing evaporation heater 40 is discharged reclaims through heat exchange, thereby has reduced the temperature of second refrigerant of condensing evaporation heater 40 discharges.Played preventing that aqueous second refrigerant from flowing into driven compressor 81 like this, protected driven compressor 81, improved the heat that spues of driven compressor 81.
Driven evaporimeter 84 is configured to and can contacts shape with outer gas, and second refrigerant that driven bulge 83 is discharged is received heat from outer aspiration.Driven evaporimeter 84 can also possess the first fan (not shown), is used to promote second refrigerant of driven bulge 83 discharges and the heat exchange between the outer gas.
At this, should be appreciated that refrigerant heater 80 can when heating, carry out heating for multiple times to first refrigerant that loops back main compressor 10 for a plurality of, further improves the temperature of first refrigerant, alleviates the burden of main compressor 10.
Technical scheme according to the utility model; Solved that compressor needs a large amount of heats that problem and the aqueous refrigerant that refrigerant be compressed into high-temperature high-pressure state got into the problem that compressor causes compressor fault in the correlation technique; And improved the heat exchanger effectiveness of evaporimeter, outside the ultralow temperature in cold district or winter, can realize superperformance and realize the stable operation of compressor with lower expense when heating or preparation warm water under the gaseity.
In addition; As shown in Figure 3, according to the compound cooling/warming system of another embodiment of the utility model, main evaporator 30 and driven evaporimeter 84 are connected comb 90 through first and are connected comb 92 with second and connect; Wherein, On the first connection comb 90, be formed with the 3rd switch valve 91, be used to make first refrigerant that flows into main evaporator 30 also to be transferred to driven evaporimeter 84 and evaporate simultaneously, connect formation the 4th switch valve 93 on the comb 92 second.Be used on driven evaporimeter 84 is supplied with the comb of driven bulge 83 of second refrigerant, forming first switch valve 94, be used for second refrigerant that driven evaporimeter 84 will discharge and supply with formation second switch valve 95 on the comb of driven heat exchanger 82.Thereby; In when refrigeration, connect the 3rd switch valve 91, the 4th switch valve 93 between main evaporator 30 and the driven evaporimeter 84, close first switch valve 94, second switch valve 95; First refrigerant of then importing main evaporator 30 is imported into driven evaporimeter 84 simultaneously; Carry out heat exchange with outer gas, enlarge the evaporimeter overall dimensions thus, strengthen the heat exchanger effectiveness of first refrigerant.
In addition, as shown in Figure 4, according to the compound cooling/warming system of the another embodiment of the utility model; Condensing evaporation reheat heat exchanger 40 forms and goes up end structure 42 and lower end structure 41; First refrigerant of discharging from condensed device 20 transfers to main bulge 50 then via lower end structure 41, and second refrigerant of discharging from driven compressor 81 is via last end structure 42; Transfer to driven heat exchanger 82 then, and first refrigerant that main evaporator 30 is discharged is successively through lower end structure 41 and last end structure 42.Therefore; First refrigerant that main evaporator 30 is discharged can carry out heat exchange with first refrigerant of condensed device 20 discharges and second refrigerant of driven compressor 81 discharges successively; Like this; First refrigerant that main evaporator 30 is discharged can be with state transfer to the main compressor 10 of high temperature more after via condensing evaporation reheat heat exchanger 40; It is minimum that heat exchange between second refrigerant that first refrigerant that condensed device 20 discharges and driven compressor 81 discharge is reduced to, and reduce the temperature of first refrigerant of condensed device 20 discharges.
Continue below with reference to Fig. 5 describing according to the heating of the compound cooling/warming system of the embodiment of the utility model or the circuit of preparation hot water.The condensing heat (energy) of using the main compressor 10 in the major cycle to produce in heating or the preparation hot water.
As shown in Figure 5; First refrigerant that is compressed into HTHP by main compressor 10 is through cross valve 11 input condensed devices 20; First refrigerant and the room air that are input to condensed device 20 perhaps carry out heat exchange from the inflow water that cold water/reservoir 70 flows into; The temperature of first refrigerant is reduced, be used for heating and rise with temperature that first refrigerant carries out the room air of heat exchange, the temperature of the inflow water that flows into from cold water/reservoir 70 rises and becomes hot water.
Afterwards; First refrigerant of discharging from condensed device 20 flows into condensing evaporation reheat heat exchanger 40; Second refrigerant of supplying with first refrigerant and the driven compressor 81 of main evaporator 30 supplies carries out heat exchange; First refrigerant of discharging from condensed device 20 is transferred to main bulge 50 after via condensing evaporation reheat heat exchanger 40, main bulge 50 with its expand, condensing, thereby the temperature of first refrigerant is descended.
Afterwards, be input to main evaporator 30 via first refrigerant of main bulge 50, main evaporator 30 makes itself and outer gas carry out heat exchange, when heat exchange, is evaporated behind the heat of the outer gas of first refrigerant absorption.First refrigerant through main evaporator 30 is input to condensing evaporation reheat heat exchanger 40.
In addition, in refrigerant heater 80, second refrigerant that is compressed into HTHP at driven compressor 81 is input to condensing evaporation reheat heat exchanger 40.
Like this, first refrigerant of second refrigerant of first refrigerant of condensed device 20 discharges and 81 discharges of driven compressor and main evaporator 30 discharges is input in the condensing evaporation reheat heat exchanger 40 respectively and makes the three carry out heat exchange.Thereby; After second refrigerant that first refrigerant of discharging via first refrigerant of main evaporator 30 and condensed device 20 and driven compressor 81 are discharged carries out heat exchange; Make temperature rising via first refrigerant of main evaporator 30; And first refrigerant that condensed device 20 is discharged carry out heat exchange with first refrigerant via main evaporator 30 after temperature descend, after second refrigerant that driven compressor 81 is discharged carried out heat exchange with first refrigerant via main evaporator 30, the state that descends with temperature passed through.At this moment; As shown in Figure 5; Make main evaporator 30 first refrigerant of discharging and first refrigerant of discharging carry out heat exchange first in condensing evaporation reheat heat exchanger 40 from condensed device 20; First refrigerant temperature that main evaporator 30 is discharged rises, and first refrigerant that main evaporator 30 is discharged carries out the heat exchange second time with second refrigerant that driven compressor 81 is discharged once more, thereby can further improve the temperature of first refrigerant of main evaporator 30 discharges.
First refrigerant that temperature rises via condensing evaporation reheat heat exchanger 40 time is input to main compressor 10 via cross valve 11 again, is heated into HTHP once more.Because; Input to first refrigerant of main compressor 10 and carried out heat exchange from first refrigerant of condensed device 20 discharges and second refrigerant of discharging from driven compressor 81; Temperature rises, and therefore can practice thrift the institute's calorific requirement that first refrigerant is compressed into HTHP at main compressor 10 greatly.
In addition, second refrigerant that temperature reduces via condensing evaporation reheat heat exchanger 40 time, that discharge from driven compressor 81 is input to driven bulge 83 and carries out condensing processing after via driven heat exchanger 82; The temperature of second refrigerant is descended; Afterwards, second refrigerant via driven bulge 83 is input to driven evaporimeter 84, the outer gas of absorption when carrying out heat exchange with outer gas; Be evaporated; Be input to driven heat exchanger 82 once more, carry out heat exchange, make from the increase in temperature of second refrigerant of driven evaporimeter 84 discharges with second refrigerant of discharging from condensing evaporation reheat heat exchanger 40.Second refrigerant that temperature rises via driven heat exchanger 82 time is imported into driven compressor 81 once more, is heated to form the state of HTHP once more, begins to carry out circulation next time.
With reference to Fig. 6 the refrigeration line according to the compound cooling/warming system of the another embodiment of the utility model is described below.The energy that when refrigeration, only utilizes main compressor 10 to produce when being used for refrigerating plant, stops the running of driven compressor 81.In the refrigeration running, utilizing the freeze cycle principle, is the contrary cyclic process of heating process, and main evaporator 30 is changed with the effect of condensed device 20 each other.
As shown in Figure 6, if the user selects refrigeration, first refrigerant that then is compressed into HTHP at main compressor 10 is input to main evaporator 30 via cross valve 11, carries out heat exchange with outer gas, and the temperature of first refrigerant of discharging from main compressor 10 is descended.
First refrigerant of temperature decline is input to main bulge 50 again after main evaporator 30 and outer gas carry out heat exchange, via main bulge 50 time, is inflated, and is cooled to the steam state of low-temp low-pressure.Afterwards; First refrigerant that is cooled via main bulge 50 flows into condensed device 20 via Bypass hose 60; Perhaps carry out heat exchange from the inflow water that cold water/reservoir 70 flows into room air, the cooling room air perhaps prepares cold water, and first refrigerant evaporates after itself being heated.As shown in the figure; The comb of the both sides of condensing evaporation reheat heat exchanger 40 (comb between comb between condensed device 20 and the condensing evaporation reheat heat exchanger 40 and main bulge 50 and the condensing evaporation reheat heat exchanger 40) is provided with the 5th switch valve 61; Be used for when refrigeration, cutting off the path between condensed device 20 and the condensing evaporation reheat heat exchanger 40; And cut off the path between main bulge 50 and the condensing evaporation reheat heat exchanger 40; Like this, first refrigerant that main bulge 50 is discharged inputs to condensed device 20 through Bypass hose 60, does not allow it to get into condensing evaporation reheat heat exchanger 40 and carries out heat exchange.In addition,, first refrigerant of condensed device 20 heating is compressed into the state of HTHP after flowing into main compressor 10 once more.
In addition; When refrigeration; Connect the 3rd switch valve 91, the 4th switch valve 93 between main evaporator 30 and the driven evaporimeter 84, close first switch valve 94, second switch valve 95 between driven heat exchanger 82 and the driven evaporimeter 84, first refrigerant of then importing main evaporator 30 is imported into driven evaporimeter 84 simultaneously; After carrying out heat exchange with outer gas, import main evaporator 30 backs once more and discharge.As above, when refrigeration, use main evaporator 30 and driven evaporimeter 84 can further improve the heat exchanger effectiveness of first refrigerant simultaneously.
Therefore; Compound cooling/warming system according to the utility model; Have independent refrigerant heater, be used for when heating, heating the refrigerant that inputs to compressor, can improve the temperature of the refrigerant that inputs to main compressor; Thereby the institute's calorific requirement when saving the refrigerant to input to main compressor significantly and being compressed into HTHP; Can realize superperformance with lower expense when secondly heating perhaps prepares warm water under the gaseity outside the ultralow temperature in cold district or winter, and be evaporated to gas fully, prevent that aqueous refrigerant from inputing to main compressor owing to input to the refrigerant of main compressor; Thereby can realize the stable running of compressor, solve the failure problems of compressor.
And, in when refrigeration, the driven evaporimeter of the refrigerant heater that only is used for warming oneself used with main evaporator carry out heat exchange, be exposed to the overall dimensions of the evaporimeter of outer gas when increasing refrigeration, thus the heat exchanger effectiveness of raising refrigerant.
And; The utility model utilization inside has main compressor and the driven compressor of the refrigerant (first refrigerant and second refrigerant) that evaporating point has nothing in common with each other, the main evaporator corresponding with it and driven evaporimeter and based on other devices of these parts etc.; Make refrigerant and the water (utilize mode that other heat-exchange devices and room air carry out heat exchange also can) of the HTHP that compressor discharges carry out heat exchange; Even thereby under the outdoor temperature of ultralow temperature, also can realize the heating of a large amount of high temperature (high heat) and prepare warm water, can remedy the problem that existing heat pump mode heating performance at low temperatures sharply descends.
Claims (10)
1. a compound cooling/warming system is characterized in that, comprising:
Main compressor; Be connected to condensed device and condensing evaporation reheat heat exchanger; Be used for when heating; First refrigerant is compressed into first refrigerant of HTHP and inputs to said condensed device and in when refrigeration, first refrigerant is compressed into first refrigerant of HTHP and inputs to said condensing evaporation reheat heat exchanger;
Said condensed device; Be used for when heating; Reception is from first refrigerant of the said HTHP of said main compressor; Make itself and room air or carry out heat exchange and when the refrigeration, receive first refrigerant of autonomous bulge, make itself and room air or carry out heat exchange from the inflow water of water tank from the inflow water of water tank;
Said main bulge; Be arranged between said condensing evaporation reheat heat exchanger and the main evaporator; When heating; Reception is expanded from first refrigerant of said condensing evaporation reheat heat exchanger discharge and with it, and when refrigeration, reception transfers to said condensed device after expanding from first refrigerant of said main evaporator and with it;
Said main evaporator; Be connected to said main bulge and said condensing evaporation reheat heat exchanger, when heating, receive first refrigerant from said main bulge; Make first refrigerant of reception carry out transferring to said condensing evaporation reheat heat exchanger after the heat exchange with outer gas; And when refrigeration, receive first refrigerant from said condensing evaporation reheat heat exchanger, make first refrigerant of reception and outer gas carry out transferring to said main bulge after the heat exchange;
Said condensing evaporation reheat heat exchanger; Be arranged between said condensed device and the said main evaporator; Be used for when heating; Reception from first refrigerant of said condensed device, receive from second refrigerant of refrigerant heater and receive from first refrigerant of said main evaporator and make the three carry out heat exchange; First refrigerant from said main evaporator that will pass through after the heat exchange inputs to said main compressor, and when refrigeration, will transfer to said main bulge from first refrigerant of said main compressor;
Bypass hose is arranged between said condensed device and the said main bulge, is used for when refrigeration, will supplying with said condensed device from first refrigerant of said main bulge; And
Said refrigerant heater when heating, is first refrigerant heating from said main evaporator.
2. compound cooling/warming system according to claim 1 is characterized in that, said refrigerant heater comprises:
Driven compressor; Be connected to said condensing evaporation reheat heat exchanger and driven heat exchanger, reception is compressed into second refrigerant of HTHP and it is inputed to said condensing evaporation reheat heat exchanger from second refrigerant of said driven heat interaction device and with said second refrigerant;
Said driven heat exchanger; Reception is from second refrigerant of said condensing evaporation reheat heat exchanger with from second refrigerant of driven evaporimeter; Make the two carry out heat exchange; Second refrigerant from said condensing evaporation reheat heat exchanger that will pass through after the heat exchange inputs to driven bulge, and second refrigerant from said driven evaporimeter that will pass through after the heat exchange inputs to said driven compressor;
Said driven bulge is connected to said driven heat exchanger and said driven evaporimeter, carries out transferring to said driven evaporimeter after the expansion process through second refrigerant from said condensing evaporation reheat heat exchanger after the heat exchange with said; And
Said driven evaporimeter receives from second refrigerant of said driven bulge and makes second refrigerant of reception and outer gas carry out transferring to said driven heat exchanger after the heat exchange.
3. compound cooling/warming system according to claim 2 is characterized in that, said refrigerant heater also comprises:
First air propeller, be used for promoting second refrigerant of said driven evaporimeter and said outside the heat exchange of gas.
4. compound cooling/warming system according to claim 2 is characterized in that, said refrigerant heater also comprises:
First switch valve, second switch valve, the 3rd switch valve and the 4th switch valve; Said first switch valve be arranged on said driven bulge and on the comb between the driven evaporimeter; Said second switch valve is arranged on the comb between said driven evaporimeter and the said driven heat exchanger; Said the 3rd switch valve is arranged on first comb between said driven evaporimeter and the said main evaporator, and said the 4th switch valve is arranged on second comb between said driven evaporimeter and the said main evaporator, when refrigeration; Open said first switch valve and said second switch valve; Cut off the path between said driven evaporimeter and the said driven heat exchanger, closed said the 3rd switch valve and said the 4th switch valve are opened the path between said driven evaporimeter and the said main evaporator; Making first refrigerant that flows into said main evaporator be transferred to said driven evaporimeter simultaneously evaporates; And when heating, closed said first switch valve and said second switch valve are opened the path between said driven evaporimeter and the said driven heat exchanger; Open said the 3rd switch valve and said the 4th switch valve, cut off the path between said driven evaporimeter and the said main evaporator.
5. according to each described compound cooling/warming system in the claim 2 to 4, it is characterized in that said condensing evaporation reheat heat exchanger comprises:
Last end structure and lower end structure;, first refrigerant of said condensed device discharge inputs to said main bulge after flowing through said lower end structure; Second refrigerant of discharging from said driven compressor is flowed through and is saidly inputed to said driven heat-heat exchanger after going up end structure, and first refrigerant of discharging from said main evaporator is successively through said lower end structure with saidly input to said main compressor after going up end structure.
6. compound cooling/warming system according to claim 5; It is characterized in that; Said going up between end structure and the lower end structure is provided with heat exchanger plate; Said heat exchanger plate is provided with through hole, and first refrigerant of discharging from said main evaporator is flowed through after the said lower end structure, passes said through hole and flows to the said end structure of going up.
7. compound cooling/warming system according to claim 1 is characterized in that, also comprises:
Second air propeller, be used for promoting first refrigerant of said main evaporator and said outside the heat exchange of gas.
8. compound cooling/warming system according to claim 1 is characterized in that, also comprises:
The 5th switch valve is arranged on the comb of the both sides that are connected in said condensing evaporation reheat heat exchanger, is used for regulating so that when refrigeration, will input to said Bypass hose from first refrigerant of said main bulge.
9. compound cooling/warming system according to claim 1 is characterized in that, also comprises:
Cross valve is connected to said main compressor, is used to regulate the peripheral passage of first refrigerant when heating or when freezing.
10. according to each described compound cooling/warming system in the claim 1 to 4,6 to 9, it is characterized in that said refrigerant heater is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204536058U CN202328903U (en) | 2011-11-16 | 2011-11-16 | Composite cooling and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204536058U CN202328903U (en) | 2011-11-16 | 2011-11-16 | Composite cooling and heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328903U true CN202328903U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204536058U Expired - Lifetime CN202328903U (en) | 2011-11-16 | 2011-11-16 | Composite cooling and heating system |
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| Country | Link |
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| CN (1) | CN202328903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115456A (en) * | 2011-11-16 | 2013-05-22 | 山东天宝空气能热泵技术有限公司 | Composite cold-warm system |
| CN103175345A (en) * | 2013-03-28 | 2013-06-26 | 中国建筑科学研究院 | Heat pump set |
-
2011
- 2011-11-16 CN CN2011204536058U patent/CN202328903U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115456A (en) * | 2011-11-16 | 2013-05-22 | 山东天宝空气能热泵技术有限公司 | Composite cold-warm system |
| CN103175345A (en) * | 2013-03-28 | 2013-06-26 | 中国建筑科学研究院 | Heat pump set |
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