CN105466083A - Flow-way-changeable heat pump air conditioner heat exchanger and control method thereof - Google Patents
Flow-way-changeable heat pump air conditioner heat exchanger and control method thereof Download PDFInfo
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- CN105466083A CN105466083A CN201510997393.2A CN201510997393A CN105466083A CN 105466083 A CN105466083 A CN 105466083A CN 201510997393 A CN201510997393 A CN 201510997393A CN 105466083 A CN105466083 A CN 105466083A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides a flow-way-changeable heat pump air conditioner heat exchanger. The heat exchanger comprises an air collecting opening (1), a liquid collecting opening (2) and three heat exchanging flow ways arranged between the air collecting opening (1) and the liquid collecting opening (2). The three heat exchanging flow ways are connected with one another in parallel. The heat exchanger further comprises a control valve system which controls at least one flow way of the three heat exchanging flow ways to be connected or disconnected so as to achieve switching among the different flow ways. According to the flow-way-changeable heat pump air conditioner heat exchanger, switching of the heat exchanger flow ways in different operation conditions of a unit can be effectively achieved, so that the heat exchanging coefficient is increased and consequentially the heat exchanging effect is improved. The invention further relates to a control method of the air conditioner heat exchanger.
Description
Technical field
The invention belongs to air-conditioning technical field, be specifically related to a kind of heat pump air conditioner heat exchanger and control method thereof of variable stream.
Background technology
For existing heat pump air conditioner heat exchanger, freezing, heat, the stream of heat exchanger is all identical under the various running status of different running frequencies, and large quantity research shows refrigeration, to heat and under different frequencies, the best stream of indoor and outdoor heat exchanger is not identical.When heat exchanger is less as its pressure loss during condenser, at this moment we need to adopt less point way to increase the coefficient of heat transfer to improve refrigerant flow rate; When heat exchanger is as evaporimeter, unit when medium-high frequency is run compared with the impact of flow velocity heat transfer coefficient, the impact that the logarithmic mean temperature difference (LMTD) that the pressure loss produces reduces exchange heat accounts for leading factor, and at this moment we need to adopt more point way to improve heat exchange amount; When low-frequency operation, the logarithmic mean temperature difference (LMTD) produced with the pressure loss reduces to exchange compared with heat effects, and the impact of flow velocity heat transfer coefficient accounts for leading factor, and at this moment we need to adopt less stream number to improve refrigerant flow rate to increase the coefficient of heat transfer.Just cannot accomplish to change heat exchanger flow circuit according to the difference of practical operation situation for same heat exchanger thus.
Increase the technical problem of the coefficient of heat transfer because air-condition heat exchanger existence of the prior art cannot change heat exchanger flow circuit according to the difference of practical operation situation, therefore research and design of the present invention goes out a kind of heat pump air conditioner heat exchanger and control method thereof of variable stream.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming air-condition heat exchanger of the prior art exists and cannot change heat exchanger flow circuit according to the difference of practical operation situation and increase the defect of the coefficient of heat transfer, thus provides a kind of heat pump air conditioner heat exchanger and control method thereof of variable stream.
The invention provides a kind of heat pump air conditioner heat exchanger of variable stream, it comprises gas collection mouth, liquid collection opening and is arranged at three heat exchange streams between described gas collection mouth and described liquid collection opening, described three heat exchange streams are arranged in parallel each other, and described heat exchanger also comprises at least one stream controlled in described three heat exchange streams and is switched on or switched off to realize the control valve system mutually switched between different stream.
Preferably, described three heat exchange streams are respectively first flow path, the second stream and the 3rd stream, and described control valve system comprises the magnetic valve be arranged on described 3rd stream.
Preferably, described magnetic valve is arranged on described 3rd stream of described gas collection mouth one end.
Preferably, described heat exchanger also comprises from the line branching bypass line out between described magnetic valve and the 3rd stream, and the other end of this bypass line is connected to described liquid collection opening end.
Preferably, described control valve system also comprises the triple valve being arranged on liquid collection opening end, and three links of described triple valve are connected to liquid collection opening end, the merging end in parallel of described three heat exchange streams and described bypass line respectively.
Preferably, the heat exchange area of described three heat exchange streams is identical.
Preferably, described heat exchanger is Split wall-mounted heat pump air conditioner heat exchanger.
Preferably, described heat exchanger is indoor set heat exchanger or outdoor heat exchanger.
The present invention also provides a kind of control method of heat pump air conditioner heat exchanger of variable stream, and it, for aforesaid heat pump air conditioner heat exchanger, controls to adjust it according to actual conditions.
Preferably, when heat exchanger is as condenser, regulable control valve system makes two-way heat exchange stream connect, and remains a road heat exchange stream and disconnects or be used as subcooler.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, shut electromagnetic valve, liquid collection opening is led to bypass line termination regulating three-way valve and the merging end in parallel of three heat exchange streams and liquid collection opening are disconnected.
Preferably, when heat exchanger is as evaporimeter and in compressor operating medium-high frequency situation, regulable control valve system makes three tunnel heat exchange streams all connect.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, open magnetic valve, regulating three-way valve is connected by the merging end in parallel of three heat exchange streams and liquid collection opening and liquid collection opening and bypass pipe terminal are disconnected.
Preferably, when heat exchanger is as evaporimeter and in compressor operating low frequency situation, regulable control valve system makes the two-way heat exchange stream in three tunnel heat exchange streams connect, remain a road heat exchange stream and disconnect or be used as preevaporator.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, shut electromagnetic valve, liquid collection opening end is led to bypass line termination regulating three-way valve and the merging end in parallel of three heat exchange streams and liquid collection opening end are disconnected.
Heat pump air conditioner heat exchanger and the control method thereof of variable stream provided by the invention have following beneficial effect:
1., by the heat pump air conditioner heat exchanger of variable stream of the present invention, effectively can realize the switching of heat exchanger flow circuit under the different ruuning situation of unit, thus increase the coefficient of heat transfer and then promote heat transfer effect;
2. when heat exchanger is as condenser, refrigerant flow rate can be improved by the structure switching to two heat exchange streams, increase the coefficient of heat transfer, and then lifting heat transfer effect, the degree of supercooling of refrigerant before throttling can be increased simultaneously by the use of supercooling tube, reduce restriction loss, improve specific refrigerating effect;
3. when heat exchanger when running when compressor medium-high frequency, can effectively reduce refrigerant flow rates by the structure switching to three heat exchange streams as evaporimeter, reduce the pressure loss, thus increase the coefficient of heat transfer, and then promote heat transfer effect;
4., when heat exchanger is as evaporimeter and when compressor low-frequency operation, effectively can improve refrigerant flow rates by the structure switching to two heat exchange streams thus increase the coefficient of heat transfer, and then promoting heat transfer effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heat pump air conditioner heat exchanger of variable stream of the present invention;
The structural representation of Fig. 2 to be the heat pump air conditioner heat exchanger of variable stream of the present invention be Split wall-mounted indoor set heat exchanger;
The structural representation of Fig. 3 to be the heat pump air conditioner heat exchanger of variable stream of the present invention be Split wall-mounted outdoor unit heat exchanger.
In figure, Reference numeral is expressed as:
1-gas collection mouth, 2-liquid collection opening, the 3-the first heat exchange stream, 4-the second heat exchange stream, the 5-the three heat exchange stream, 6-magnetic valve, 7-triple valve, the first end of the 101-the first heat exchange stream, the first end of the 102-the second heat exchange stream, the first end of the 103-the three heat exchange stream, second end of the 104-the first heat exchange stream, second end of the 105-the second heat exchange stream, the second end of the 106-the three heat exchange stream, 107-bypass line.
Detailed description of the invention
As shown in Figure 1, the invention provides a kind of heat pump air conditioner heat exchanger of variable stream, it comprises gas collection mouth 1, liquid collection opening 2 and is arranged at three heat exchange streams between described gas collection mouth 1 and described liquid collection opening 2, described three heat exchange streams are arranged in parallel each other, and described heat exchanger also comprises at least one stream controlled in described three heat exchange streams and is switched on or switched off to realize the control valve system mutually switched between different stream.
By the heat pump air conditioner heat exchanger of variable stream of the present invention, effectively can realize the switching of heat exchanger flow circuit under the different ruuning situation of unit, thus increase the coefficient of heat transfer, and then promote heat transfer effect; When heat exchanger is as condenser, refrigerant flow rate can be improved by the structure switching to two heat exchange streams, increase the coefficient of heat transfer, and then lifting heat transfer effect, the degree of supercooling of refrigerant before throttling can be increased simultaneously by the use of supercooling tube, reduce restriction loss, improve specific refrigerating effect; When heat exchanger is as evaporimeter and when compressor medium-high frequency 5K-16KHz high band.During operation, effectively can reduce refrigerant flow rates by the structure switching to three heat exchange streams, reduce the pressure loss, thus increase the coefficient of heat transfer, and then promote heat transfer effect; When heat exchanger is as evaporimeter and when compressor low-frequency operation, effectively can improves refrigerant flow rates by the structure switching to two heat exchange streams thus increase the coefficient of heat transfer, and then promoting heat transfer effect.Here need to explain: under the usual state in general field, low frequency refers to that frequency is between 0-250hz; Intermediate frequency refers to that frequency is between 250-1khz; High frequency refers to that frequency is between 1khz-3khz.
Preferably, described three heat exchange streams are respectively first flow path 3, second stream 4 and the 3rd stream 5, and described control valve system comprises the magnetic valve 6 be arranged on described 3rd stream 5.Effectively can control being switched on or switched off of the 3rd heat exchange stream by control valve system being comprised the magnetic valve be arranged on described 3rd stream, playing the effect of Based Intelligent Control.
Preferably, described magnetic valve 6 is arranged on described 3rd stream 5 of described gas collection mouth 1 one end.Can play to the stream holding the cold-producing medium of the 3rd stream or the 3rd stream to the cold-producing medium of gas collection mouth end from gas collection mouth the effect opened or closed near gas collection mouth one end by being arranged on by described magnetic valve.
Preferably, described heat exchanger also comprises from the bypass line 107 out of the line branching between described magnetic valve 6 and the 3rd stream 5, and the other end of this bypass line 107 is connected to described liquid collection opening 2 end.Can effectively make can carry out super cooling effect via the 3rd heat exchange stream and bypass line at heat exchanger as during condenser by the bypass line arranging above-mentioned annexation, thus the degree of supercooling of cold-producing medium before improve throttling, decrease restriction loss, improve specific refrigerating effect; And heat exchanger can be made as making cold-producing medium carry out the effect of prevapourising heat absorption via bypass line and the 3rd heat exchange stream in the 3rd heat exchange stream during evaporimeter low frequency operation, decrease heat exchange stream number, improve overall heat exchange amount.
Preferably, described control valve system also comprises the triple valve 7 being arranged on liquid collection opening 2 end, and three links of described triple valve 7 are connected to liquid collection opening 2 end, the merging end in parallel of described three heat exchange streams and described bypass line 107 respectively.Can intelligence and effectively control liquid collection opening end to the on-off of at least one in three heat exchange streams of parallel connection by the triple valve being arranged on above-mentioned position, thus need according to actual conditions break-make or the switching of carrying out heat exchange stream, and control liquid collection opening end is that the heat exchange stream in parallel with three is connected, or be connected with bypass line, thus control to carry out three tunnel heat exchange or two-way heat exchange according to actual conditions, and then promote heat exchange amount, and then improve the heat transfer effect of heat exchanger.
Preferably, the heat exchange area of described three heat exchange streams is identical, and such structure choice and design are to ensure that cold-producing medium can distribute uniformly on three heat exchange streams, or perhaps ensures the uniformity that refrigerant distributes.
As Figure 2-3, preferably, described heat exchanger is Split wall-mounted heat pump air conditioner heat exchanger.This is a kind of structure and form of preferred heat exchanger.
As Figure 2-3, preferably, described heat exchanger is indoor set heat exchanger or outdoor heat exchanger.This is a kind of advantageous applications mode and range of application of heat exchanger.Specifically preferably, as shown in Figure 2, described heat exchanger is Split wall-mounted indoor set heat exchanger; As shown in Figure 3, described heat exchanger is Split wall-mounted outdoor unit heat exchanger.
The preferred embodiment of the present invention provides a kind of heat pump air conditioner heat exchanger, by increasing by 1 magnetic valve, 1 triple valve and corresponding connecting line, realizes the switching of heat exchanger flow circuit under the different ruuning situation of unit.Wherein two streams add supercooling tube and are applicable to condensation process, and three streams are applicable to evaporation process when unit medium-high frequency is run, and two streams are applicable to evaporation process during unit low-frequency operation.Heat exchanger provided by the invention better can take into account the optimization of heat pump air conditioner heat exchanger respectively as the heat exchange efficiency of evaporimeter when evaporimeter when condenser, medium-high frequency operation and low-frequency operation, thus improve the combination property of heat pump type air conditioning system, and input cost is low, be easy to realize.
The magnetic valve that heat exchanger of the present invention has and triple valve can replace with the miscellaneous part that can realize arbitrarily phase same-action.
The present invention also provides a kind of control method of heat pump air conditioner heat exchanger of variable stream, and it, for aforesaid heat pump air conditioner heat exchanger, controls to adjust it according to actual conditions.
By the control method of the heat pump air conditioner heat exchanger of variable stream of the present invention, effectively can realize the switching of heat exchanger flow circuit under the different ruuning situation of unit, thus increase the coefficient of heat transfer, and then promote heat transfer effect; When heat exchanger is as condenser, refrigerant flow rate can be improved by the structure switching to two heat exchange streams, increase the coefficient of heat transfer, and then lifting heat transfer effect, the degree of supercooling of refrigerant before throttling can be increased simultaneously by the use of supercooling tube, reduce restriction loss, improve specific refrigerating effect; When heat exchanger when running when compressor medium-high frequency, can effectively reduce refrigerant flow rates by the structure switching to three heat exchange streams as evaporimeter, reduce the pressure loss, thus increase the coefficient of heat transfer, and then promote heat transfer effect; When heat exchanger is as evaporimeter and when compressor low-frequency operation, effectively can improves refrigerant flow rates by the structure switching to two heat exchange streams thus increase the coefficient of heat transfer, and then promoting heat transfer effect.
Preferably, when heat exchanger is as condenser, regulable control valve system makes two-way heat exchange stream connect, and remains a road heat exchange stream and disconnects or be used as subcooler.Because condensation process have employed less point way, the flow velocity of refrigerant improves, intraductal heat exchange coefficient increases; Simultaneously condenser ends arrange supercooling tube can increase throttling before the degree of supercooling of refrigerant, reduce restriction loss, improve specific refrigerating effect.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, shut electromagnetic valve, regulating three-way valve makes liquid collection opening end lead to bypass line termination, three heat exchange streams are disconnected near the merging end in parallel of liquid collection opening end and liquid collection opening end.The first and second heat exchange stream conductings are made to carry out two-way heat exchange like this, effectively can increase the coefficient of heat transfer thus improve heat exchange amount, and the 3rd heat exchange stream carried out cold cooling, the degree of supercooling of refrigerant before throttling can be increased, and reduce restriction loss, improve specific refrigerating effect.
Particularly as Figure 1-3, regulating three-way valve A-C conducting, the supersaturation gaseous coolant of HTHP enters heat exchanger by gas collection mouth, enter the 1st and the 2nd stream respectively via tube connector 101 and 102, be condensed into gas-liquid two-phase refrigerant, then converge to tube connector 106 by tube connector 104 and 105 respectively, then the 3rd stream (supercooling tube) is flowed through, continue to be cooled to the liquid refrigerants with certain degree of supercooling, then via tube connector 103,107 and triple valve C-A, from liquid collection opening outflow heat exchanger.
Preferably, when heat exchanger is as evaporimeter and in compressor operating medium-high frequency situation, regulable control valve system makes three tunnel heat exchange streams all connect.Because evaporation process have employed more point way, the flow velocity of refrigerant reduces, the pressure loss reduces, and overall heat exchange amount also can improve.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, now open magnetic valve, regulating three-way valve makes three heat exchange streams near the merging end in parallel of liquid collection opening end and liquid collection opening termination is logical, liquid collection opening end and bypass pipe terminal disconnect.Make the conducting simultaneously of first, second, and third heat exchange stream carry out three tunnel heat exchange like this, effectively can reduce the pressure loss, increase the coefficient of heat transfer thus improve heat exchange amount.
Specifically preferably, triple valve A-B conducting, the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, after flowing through triple valve A-B, the the 1st, the 2nd and the 3rd stream is entered respectively via tube connector 104,105 and 106, be evaporated to saturated or there is the gaseous coolant of certain degree of superheat, flowing through tube connector 103 and magnetic valve from the 3rd stream gaseous coolant out, flow through tube connector 101 and 102, from gas collection mouth outflow heat exchanger after gathering from the 1st and the 2nd stream gaseous coolant out.
Preferably, when heat exchanger is as evaporimeter and in compressor operating low frequency situation, regulable control valve system makes the two-way heat exchange stream in three tunnel heat exchange streams connect, remain a road heat exchange stream and disconnect or be used as preevaporator effect.During due to evaporation process compressor low-frequency operation, the flow velocity of refrigerant is very little, and therefore the pressure loss is also very little, now have employed less point way, and improve the flow velocity of refrigerant, overall heat exchange amount also can improve.
Preferably, when control valve system comprises aforesaid magnetic valve and triple valve, now shut electromagnetic valve, regulating three-way valve makes liquid collection opening end lead to bypass line termination, three heat exchange streams are disconnected near the merging end in parallel of liquid collection opening end and liquid collection opening end.Make the conducting simultaneously of first, second heat exchange stream carry out two-way heat exchange like this, the 3rd heat exchange stream carries out prevapourising effect, effectively can reduce the pressure loss, increases the coefficient of heat transfer thus improves heat exchange amount.
Specifically preferably, triple valve A-C conducting, the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, after flowing through triple valve A-C, the 3rd stream is entered via tube connector 107,103, after the evaporation of first stage, tube connector 106, two-way is divided into from the 3rd stream refrigerant out, the evaporation that the 1st and the 2nd stream carries out the first stage is entered respectively from tube connector 104 and 105, tube connector 101 and 102 is flowed through, from gas collection mouth outflow heat exchanger after gathering from the 1st and the 2nd stream gaseous coolant out.
Introduce the preferred embodiment of the present invention and control method below
As Figure 1-3, heat exchanger of the present invention is made up of 3 heat exchange streams, 1 magnetic valve, 1 triple valve and corresponding connecting line, and its specific works flow process is as follows:
1, heat exchanger is as condenser, and stream is that two streams add supercooling tube
As condensation process, now closed electromagnetic valve, triple valve A-C conducting, the supersaturation gaseous coolant of HTHP enters heat exchanger by gas collection mouth, the the 1st and the 2nd stream is entered respectively via tube connector 101 and 102, be condensed into gas-liquid two-phase refrigerant, tube connector 106 is converged to respectively again by tube connector 104 and 105, then the 3rd stream (supercooling tube) is flowed through, continue to be cooled to the liquid refrigerants with certain degree of supercooling, then via tube connector 103,107 and triple valve C-A, from liquid collection opening outflow heat exchanger.
Because condensation process have employed less point way, the flow velocity of refrigerant improves, intraductal heat exchange coefficient increases; Simultaneously condenser ends arrange supercooling tube can increase throttling before the degree of supercooling of refrigerant, reduce restriction loss, improve specific refrigerating effect.
2, heat exchanger is as evaporimeter and in compressor operating medium-high frequency situation, stream is three streams
As evaporation process, now magnetic valve is opened, triple valve A-B conducting, the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, after flowing through triple valve A-B, the the 1st, the 2nd and the 3rd stream is entered respectively via tube connector 104,105 and 106, be evaporated to saturated or there is the gaseous coolant of certain degree of superheat, flow through tube connector 103 and magnetic valve from the 3rd stream gaseous coolant out, flow through tube connector 101 and 102, from gas collection mouth outflow heat exchanger after gathering from the 1st and the 2nd stream gaseous coolant out.
Because evaporation process have employed more point way, the flow velocity of refrigerant reduces, the pressure loss reduces, and overall heat exchange amount also can improve.
3, heat exchanger is as evaporimeter and in compressor operating low frequency situation, stream is two streams
As evaporation process, now closed electromagnetic valve, triple valve A-C conducting, the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, after flowing through triple valve A-C, the 3rd stream is entered via tube connector 107,103, after the evaporation of first stage, tube connector 106, two-way is divided into from the 3rd stream refrigerant out, the evaporation that the 1st and the 2nd stream carries out the first stage is entered respectively from tube connector 104 and 105, tube connector 101 and 102 is flowed through, from gas collection mouth outflow heat exchanger after gathering from the 1st and the 2nd stream gaseous coolant out.
During due to evaporation process compressor low-frequency operation, the flow velocity of refrigerant is very little, and therefore the pressure loss is also very little, now have employed less point way, and improve the flow velocity of refrigerant, overall heat exchange amount also can improve.
3 heat exchange streams that heat exchanger of the present invention has, its heat exchange area should be consistent, to ensure the uniformity that refrigerant distributes.
The specific embodiment of the present invention can be indoor heat exchanger or the outdoor heat exchanger of heat pump air conditioner, is respectively the application example of the present invention as Split wall-mounted heat pump air conditioner indoor set heat exchanger and outdoor unit heat exchanger shown in Fig. 2 and Fig. 3.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each advantageous manner freely can combine, superpose.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (15)
1. the heat pump air conditioner heat exchanger of a variable stream, it is characterized in that: three the heat exchange streams comprising gas collection mouth (1), liquid collection opening (2) and be arranged between described gas collection mouth (1) and described liquid collection opening (2), described three heat exchange streams are arranged in parallel each other, and described heat exchanger also comprises at least one stream controlled in described three heat exchange streams and is switched on or switched off to realize the control valve system mutually switched between different stream.
2. the heat pump air conditioner heat exchanger of variable stream according to claim 1, it is characterized in that: described three heat exchange streams are respectively first flow path (3), the second stream (4) and the 3rd stream (5), described control valve system comprises the magnetic valve (6) be arranged on described 3rd stream (5).
3. the heat pump air conditioner heat exchanger of variable stream according to claim 2, is characterized in that: described magnetic valve (6) is arranged on described 3rd stream (5) of described gas collection mouth (1) one end.
4. the heat pump air conditioner heat exchanger of variable stream according to claim 3, it is characterized in that: described heat exchanger also comprises from the line branching bypass line out (107) between described magnetic valve (6) and the 3rd stream (5), the other end of this bypass line is connected to described liquid collection opening (2) end.
5. the heat pump air conditioner heat exchanger of variable stream according to claim 4, it is characterized in that: described control valve system also comprises the triple valve (7) being arranged on liquid collection opening (2) and holding, three links of described triple valve (7) are connected to liquid collection opening (2), the merging end in parallel of described three heat exchange streams and described bypass line (107) respectively.
6. according to the heat pump air conditioner heat exchanger of the variable stream one of claim 1-5 Suo Shu, it is characterized in that: the heat exchange area of described three heat exchange streams is identical.
7. according to the heat pump air conditioner heat exchanger of the variable stream one of claim 1-6 Suo Shu, it is characterized in that: described heat exchanger is Split wall-mounted heat pump air conditioner heat exchanger.
8. according to the heat pump air conditioner heat exchanger of the variable stream one of claim 1-7 Suo Shu, it is characterized in that: described heat exchanger is indoor set heat exchanger or outdoor heat exchanger.
9. a control method for the heat pump air conditioner heat exchanger of variable stream, is characterized in that: for the heat pump air conditioner heat exchanger one of claim 1-8 Suo Shu, control to adjust it according to actual conditions.
10. control method according to claim 9, is characterized in that: when heat exchanger is as condenser, and regulable control valve system makes two-way heat exchange stream connect, and remains a road heat exchange stream and disconnects or be used as subcooler.
11. control methods according to claim 10, it is characterized in that: when control valve system comprises aforesaid magnetic valve and triple valve, shut electromagnetic valve, liquid collection opening is led to bypass line termination regulating three-way valve and the merging end in parallel of three heat exchange streams and liquid collection opening are disconnected.
12. control methods according to claim 9, is characterized in that: when heat exchanger is as evaporimeter and in compressor operating medium-high frequency situation, regulable control valve system makes three tunnel heat exchange streams all connect.
13. control methods according to claim 12, it is characterized in that: when control valve system comprises aforesaid magnetic valve and triple valve, open magnetic valve, regulating three-way valve is connected by the merging end in parallel of three heat exchange streams and liquid collection opening and liquid collection opening and bypass pipe terminal are disconnected.
14. control methods according to claim 9, it is characterized in that: when heat exchanger is as evaporimeter and in compressor operating low frequency situation, regulable control valve system makes the two-way heat exchange stream in three tunnel heat exchange streams connect, and remains a road heat exchange stream and disconnects or be used as preevaporator.
15. control methods according to claim 14, it is characterized in that: when control valve system comprises aforesaid magnetic valve and triple valve, shut electromagnetic valve, liquid collection opening end is led to bypass line termination regulating three-way valve and the merging end in parallel of three heat exchange streams and liquid collection opening end are disconnected.
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| CN201510997393.2A CN105466083B (en) | 2015-12-24 | 2015-12-24 | A kind of the heat pump air conditioner heat exchanger and its control method of variable flow path |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108398037A (en) * | 2017-09-30 | 2018-08-14 | 奥克斯空调股份有限公司 | A kind of high-performance heat exchanger flow passage structure, air conditioner and heat-exchange method |
| CN109114666A (en) * | 2017-06-22 | 2019-01-01 | 上海海立电器有限公司 | Frequency-conversion air-conditioning system |
| CN112432390A (en) * | 2020-10-30 | 2021-03-02 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| CN114383215A (en) * | 2022-01-12 | 2022-04-22 | 珠海格力电器股份有限公司 | Heat exchanger, air conditioner and air conditioner control method |
| CN114543402A (en) * | 2022-03-23 | 2022-05-27 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
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| CN114576888A (en) * | 2022-03-23 | 2022-06-03 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and household appliance |
| CN114608220A (en) * | 2022-03-23 | 2022-06-10 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| WO2023206884A1 (en) * | 2022-04-29 | 2023-11-02 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchange flow path control method, storage medium and household appliance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100665744B1 (en) * | 2005-12-30 | 2007-01-10 | 위니아만도 주식회사 | Heat-pump air-conditioner |
| CN101776356A (en) * | 2009-01-14 | 2010-07-14 | 珠海格力电器股份有限公司 | Heat exchanger |
| CN202494219U (en) * | 2012-03-02 | 2012-10-17 | 珠海格力电器股份有限公司 | Frequency conversion heat-pump water heater |
| CN203132097U (en) * | 2013-03-05 | 2013-08-14 | 广东美的电器股份有限公司 | Air conditioner and heat exchange system thereof |
| CN104848579A (en) * | 2015-05-05 | 2015-08-19 | 广东美的制冷设备有限公司 | Air conditioner and heat exchanging system thereof |
| CN105202740A (en) * | 2015-10-14 | 2015-12-30 | 珠海格力电器股份有限公司 | Heat pump air conditioner and heat exchanger thereof |
| CN205261989U (en) * | 2015-12-24 | 2016-05-25 | 珠海格力电器股份有限公司 | Heat pump air conditioner heat exchanger of variable flow path |
-
2015
- 2015-12-24 CN CN201510997393.2A patent/CN105466083B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100665744B1 (en) * | 2005-12-30 | 2007-01-10 | 위니아만도 주식회사 | Heat-pump air-conditioner |
| CN101776356A (en) * | 2009-01-14 | 2010-07-14 | 珠海格力电器股份有限公司 | Heat exchanger |
| CN202494219U (en) * | 2012-03-02 | 2012-10-17 | 珠海格力电器股份有限公司 | Frequency conversion heat-pump water heater |
| CN203132097U (en) * | 2013-03-05 | 2013-08-14 | 广东美的电器股份有限公司 | Air conditioner and heat exchange system thereof |
| CN104848579A (en) * | 2015-05-05 | 2015-08-19 | 广东美的制冷设备有限公司 | Air conditioner and heat exchanging system thereof |
| CN105202740A (en) * | 2015-10-14 | 2015-12-30 | 珠海格力电器股份有限公司 | Heat pump air conditioner and heat exchanger thereof |
| CN205261989U (en) * | 2015-12-24 | 2016-05-25 | 珠海格力电器股份有限公司 | Heat pump air conditioner heat exchanger of variable flow path |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114666A (en) * | 2017-06-22 | 2019-01-01 | 上海海立电器有限公司 | Frequency-conversion air-conditioning system |
| CN109114666B (en) * | 2017-06-22 | 2020-07-07 | 上海海立电器有限公司 | Variable frequency air conditioning system |
| CN108398037A (en) * | 2017-09-30 | 2018-08-14 | 奥克斯空调股份有限公司 | A kind of high-performance heat exchanger flow passage structure, air conditioner and heat-exchange method |
| CN112432390B (en) * | 2020-10-30 | 2022-08-19 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| CN112432390A (en) * | 2020-10-30 | 2021-03-02 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| CN114383215A (en) * | 2022-01-12 | 2022-04-22 | 珠海格力电器股份有限公司 | Heat exchanger, air conditioner and air conditioner control method |
| CN114383215B (en) * | 2022-01-12 | 2023-01-20 | 珠海格力电器股份有限公司 | Heat exchanger, air conditioner and air conditioner control method |
| CN114543561B (en) * | 2022-02-24 | 2023-12-08 | 海信集团控股股份有限公司 | Plate heat exchanger, control method of plate heat exchanger and air conditioning system |
| CN114543561A (en) * | 2022-02-24 | 2022-05-27 | 海信集团控股股份有限公司 | Plate heat exchanger, control method of plate heat exchanger and air conditioning system |
| CN114608220A (en) * | 2022-03-23 | 2022-06-10 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114576888A (en) * | 2022-03-23 | 2022-06-03 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and household appliance |
| CN114543402A (en) * | 2022-03-23 | 2022-05-27 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114608220B (en) * | 2022-03-23 | 2024-03-26 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114543402B (en) * | 2022-03-23 | 2024-05-28 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114576888B (en) * | 2022-03-23 | 2024-05-28 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium, and household appliance |
| WO2023206884A1 (en) * | 2022-04-29 | 2023-11-02 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchange flow path control method, storage medium and household appliance |
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