CN106705217A - Control method and system used for improving heating effect of air conditioner and air conditioner - Google Patents
Control method and system used for improving heating effect of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN106705217A CN106705217A CN201611086970.3A CN201611086970A CN106705217A CN 106705217 A CN106705217 A CN 106705217A CN 201611086970 A CN201611086970 A CN 201611086970A CN 106705217 A CN106705217 A CN 106705217A
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- Prior art keywords
- heat exchanger
- air
- outdoor
- interface
- heating effect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
Abstract
The invention particularly relates to a control method and system used for improving the heating effect of an air conditioner and the air conditioner. The control system comprises a control device, a refrigerant bypass fluid path and an outdoor auxiliary heat exchanger fluid path where an outdoor auxiliary heat exchanger is located; the refrigerant bypass fluid path is in parallel connection with the outdoor auxiliary heat exchanger fluid path and then is connected with a three-way valve, the control device is used for controlling the three-way valve to adopt the refrigerant bypass fluid path or the outdoor auxiliary heat exchanger fluid path to complete the circulation process of the air conditioner according to the running mode of the air conditioner, when the air conditioner performs heating, the outdoor auxiliary heat exchanger fluid path is used for completing the circulation process of the air conditioner; the outdoor environment with the lower temperature is used for performing further cooling supercooling on a refrigerant, the supercooling degree is improved, and therefore the whole heating effect and the whole heating efficiency are improved; when the air conditioner carries out refrigeration, the refrigerant bypass fluid path is adopted to complete the circulation process of the air conditioner, the refrigeration effect is ensured, and therefore the user use experience is improved while energy saving and consumption reduction are achieved.
Description
Technical field
The present invention relates to airconditioning control field, more particularly to a kind of control method for improving air-conditioning heating effect, it is
System and air-conditioner.
Background technology
The one's work of air-conditioning is refrigeration, and the air-conditioning heating reversely realized according to refrigeration principle and using four-way valve is imitated
Really.When air-conditioning is when heating in winter, indoor heat exchanger is in high pressure, and outdoor heat exchanger is in low pressure, the refrigerant of HTHP
After heat exchanger heat exchange indoors, throttle into low-pressure gas-liquid two-phase via choke valve and enter outdoor heat exchanger, from outdoor environment
Heat is absorbed to be evaporated.Although the air-conditioning system of prior art can be heated, the initial design of air-conditioning is with work of freezing
Condition is designed for standard, and folding determines that the overall refrigeration performance of air-conditioner is better than heating performance.Particularly outdoor temp
When spending relatively low, the heating performance of air-conditioner can further decline, if frosting is serious, in addition it is also necessary to timing defrost, even more seriously
Have impact on heating performance.Analyzed from refrigeration principle, condensation effect is better in heat exchanger indoors for the refrigerant of HTHP,
Degree of supercooling is bigger, and evaporation effect when entering outdoor heat exchanger after its throttling is better, is more conducive to heating.To reach the mesh
, the conventional method of prior art has following several：Increase indoor heat exchanger, the indoor air quantity of increase or increase outdoor heat exchange
Device, but there is the substantially drawback such as increase cost and the bad control of noise in this several method.
The content of the invention
The invention provides a kind of control method for improving air-conditioning heating effect, system and air-conditioner, solve with
Upper described technical problem.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
According to one aspect of the present invention, there is provided a kind of control system for improving air-conditioning heating effect, including by
Compressor, indoor heat exchanger, electronic throttle part, outdoor heat exchanger and four-way valve are sequentially communicated the refrigerant flow of composition, described
Triple valve, outdoor supplementary heat exchanger stream and refrigerant bypass flow path, institute are provided between indoor heat exchanger and electronic throttle part
State and be provided with outdoor supplementary heat exchanger in outdoor supplementary heat exchanger stream；By the outdoor supplementary heat exchanger stream and the refrigerant
Triple valve is connected after through-flow road parallel connection, the triple valve connects control device, and the control device is used for according to operation of air conditioner mould
Formula controls the triple valve, so that refrigerant flow direction refrigerant bypass flow path or outdoor supplementary heat exchanger stream complete air-conditioner
Cyclic process.
The beneficial effects of the invention are as follows：Using control system of the invention, in air conditioner refrigerating, refrigerant does not flow through room
Outer supplementary heat exchanger, therefore ensure that the refrigeration of air-conditioning.And in air-conditioning heating, after indoor heat exchanger cooling supercooling
Refrigerant first flows through the outdoor supplementary heat exchanger, and the outdoor environment using the lower temperature of outside enters to advance to refrigerant
The cooling supercooling of one step, enters back into outdoor unit heat exchanger heat absorption evaporation, so as to improve overall heating effect and system after improving degree of supercooling
The thermal efficiency, improves user experience while energy-saving.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the triple valve includes first interface A, second interface B and the 3rd interface C, the first interface A connections
Electronic throttle part, the outdoor supplementary heat exchanger of second interface B connections, the 3rd interface C connection refrigerant bypass flow paths one end；
The control device is used for when air conditioning operating mode is heating mode, and control first interface A is connected with second interface B, is used
The outdoor supplementary heat exchanger stream completes the cyclic process of air-conditioner；Or when air conditioning operating mode is refrigeration mode, control
First interface A processed and the 3rd interface C is connected, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path.
Further, the outdoor supplementary heat exchanger be disposed in the outdoor heat exchanger outside or the outdoor heat exchanger it is interior
Portion.
Further, the outdoor supplementary heat exchanger is copper pipe type heat exchanger or finned heat exchanger.
Further, the electronic throttle part is capillary, electric expansion valve or heating power expansion valve.
According to another aspect of the present invention, a kind of control method for improving air-conditioning heating effect is additionally provided, applied
In the described control system for improving air-conditioning heating effect, comprise the following steps：
Step 1, obtains air conditioning operating mode；
Step 2, air-conditioning is completed according to air conditioning operating mode using refrigerant bypass flow path or outdoor supplementary heat exchanger stream
The cyclic process of device.
The beneficial effects of the invention are as follows：Using control method of the invention, in air conditioner refrigerating, refrigerant does not flow through room
Outer supplementary heat exchanger, therefore ensure that the refrigeration of air-conditioning.And in air-conditioning heating, after indoor heat exchanger cooling supercooling
Refrigerant first flows through the outdoor supplementary heat exchanger, and the outdoor environment using the lower temperature of outside enters to advance to refrigerant
The cooling supercooling of one step, enters back into outdoor unit heat exchanger heat absorption evaporation, so as to improve overall heating effect and system after improving degree of supercooling
The thermal efficiency, improves user experience while energy-saving.
Further, the step 2 is specially：When air conditioning operating mode is heating mode, first interface A and second is controlled
Interface B is connected, and the cyclic process of air-conditioner is completed using outdoor supplementary heat exchanger stream；Or when air conditioning operating mode is refrigeration
During pattern, control first interface A and the 3rd interface C connections complete the cyclic process of air-conditioner using refrigerant bypass flow path.
In order to solve technical problem of the invention, a kind of air-conditioner is additionally provided, including it is described for improving air-conditioning system
The control system of thermal effect.
The advantage of the additional aspect of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by present invention practice.
Brief description of the drawings
Fig. 1 is a kind of structural representation of control system for improving air-conditioning heating effect provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of control method for improving air-conditioning heating effect provided in an embodiment of the present invention；
Fig. 3 is the structural representation of air-conditioner provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Fig. 1 is a kind of structural representation of control system for improving air-conditioning heating effect provided in an embodiment of the present invention, such as
Shown in Fig. 1, including it is sequentially communicated by compressor 2, indoor heat exchanger 3, electronic throttle part 5, outdoor heat exchanger 6 and four-way valve 7
The refrigerant flow of composition, is provided with triple valve 9, outdoor supplementary heat exchanger stream between the indoor heat exchanger 3 and electronic throttle part 5
Road 8 and refrigerant bypass flow path 1, outdoor supplementary heat exchanger 4 is provided with the outdoor supplementary heat exchanger stream 8；The outdoor is auxiliary
The triple valve 9 is connected after helping heat exchanger flow circuit 8 and the refrigerant bypass flow path 1 parallel connection.In the present embodiment, the triple valve
9 include first interface A, second interface B and the 3rd interface C, and the first interface A connects electronic throttle part 5, and described second connects
The outdoor supplementary heat exchanger 4 of mouth B connections, the one end of the 3rd interface C connection refrigerants bypass flow path 1.The connection control dress of the triple valve 9
Put, the control device is used to control the triple valve 9 according to air conditioning operating mode, so that refrigerant flow direction refrigerant bypass stream
Road 1 or outdoor supplementary heat exchanger stream 8 complete the cyclic process of air-conditioner.Specifically, when air conditioning operating mode is heating mode
When, the first interface A of control device control triple valve is connected with second interface B, complete using the outdoor supplementary heat exchanger stream 8
Into the cyclic process of air-conditioner；Or when air conditioning operating mode is refrigeration mode, control first interface A and the 3rd interface C connects
It is logical, the cyclic process of air-conditioner is completed using refrigerant bypass flow path 1.In the present embodiment, only with one triple valve of setting
The switching of refrigerant bypass flow path and outdoor supplementary heat exchanger stream is realized, default conditions, i.e. air-conditioning heating pattern are lower to be used
First interface A and second interface B connected states, the cyclic process of air-conditioner is completed using outdoor supplementary heat exchanger stream 8, is led to
Cross outdoor supplementary heat exchanger 4 and improve degree of supercooling so as to improve heating effect and heating efficiency.When air conditioner refrigerating, on triple valve
Electricity so that first interface A and the 3rd interface the C connection of triple valve, thus switches to refrigerant bypass flow path and completes air-conditioner
Cyclic process, such refrigerant would not be circulated in outdoor supplementary heat exchanger, so as to ensure that refrigeration.
Alternatively, as one embodiment of the present of invention, the outdoor supplementary heat exchanger 4 is disposed in the outdoor heat exchanger 6
The inside of the outside or outdoor heat exchanger 6.The set-up mode of supplementary heat exchanger is various outside the present embodiment room, and no matter sets
In the outside of outdoor heat exchanger 6 or the inside of the outdoor heat exchanger 6, it is capable of achieving to be improved by outdoor supplementary heat exchanger 4
The effect of degree of supercooling.
Alternatively, as one embodiment of the present of invention, the outdoor supplementary heat exchanger 4 is copper pipe type heat exchanger or fin
Formula heat exchanger.In the present embodiment, the outdoor supplementary heat exchanger can have the fin can also not need fin only with copper pipe,
Finned heat exchanger heat exchange efficiency is high and strong adaptability, and copper pipe type heat exchanger structure is simple, cost opposite fins formula heat exchanger
Relatively low and easy cleaning, therefore can be selected according to the use environment of air-conditioning and other situations.Certain room of the invention
Outer supplementary heat exchanger is not limited solely to finned heat exchanger or copper pipe type heat exchanger, and other can realize entering with outdoor temperature
The heat exchanger of row heat exchange is within protection scope of the present invention.
Alternatively, as one embodiment of the present of invention, the electronic throttle part 5 be capillary, electric expansion valve or
Heating power expansion valve.Capillary or electric expansion valve or heating power expansion valve have good throttling action, wherein, electronic expansion
The aperture of valve and heating power expansion valve can be as needed degree of supercooling control, and the low production cost of capillary, assemble it is simple and convenient.
It should be understood that electronic throttle part of the invention is not limited solely to capillary, electric expansion valve or heating power expansion valve, other can be with
Realize the throttle part of throttling within protection scope of the present invention.
Above in association with Fig. 1, the control system of raising air-conditioning heating effect according to embodiments of the present invention is described in detail, under
Face combines Fig. 2, describes the control method of raising air-conditioning heating effect according to embodiments of the present invention in detail.
Fig. 2 is a kind of schematic flow sheet of control method for improving air-conditioning heating effect provided in an embodiment of the present invention, such as
Shown in Fig. 2, method is comprised the following steps：
Step 1, obtains air conditioning operating mode；
Step 2, air-conditioning is completed according to air conditioning operating mode using refrigerant bypass flow path or outdoor supplementary heat exchanger stream
The cyclic process of device.
Using the control method of the present embodiment, in air conditioner refrigerating, the high temperature and high pressure gas discharged in compressor of air conditioner enter
Enter outdoor heat exchanger cooling condensation, refrigerant is in condensation process is cooled down, and pressure is constant, temperature reduction, by high temperature and high pressure gas
Conversion cryogenic high pressure liquid, then directly enter to enter the room through refrigerant bypass flow path 1 after being converted into Low temperature low pressure liquid through throttling arrangement
Interior heat exchanger evaporates and returns to compressor, completes the cyclic process of air-conditioner, and now refrigerant will not be in outdoor supplementary heat exchanger
In be circulated, so as to ensure that refrigeration.And in air-conditioning heating, it is first through the refrigerant after indoor heat exchanger cooling supercooling
The outdoor supplementary heat exchanger is first flowed through, refrigerant is further cooled down using the outdoor environment of the lower temperature of outside
Supercooling, general air-conditioner, by after indoor heat exchange, outlet temperature probably at 30 degree or so, and by the room of the present embodiment
After outer supplementary heat exchanger, temperature can be further decreased to 25 degree, even lower, then enter back into outdoor unit heat exchanger heat absorption and steam
Hair, so as to improve overall heating effect and heating efficiency, improves user experience while energy-saving.Especially in
Low frequency phase, lifting effect becomes apparent, it is adaptable to heats and requires area higher and country.
Alternatively, as one embodiment of the present of invention, the step 2 is specially：When air conditioning operating mode is to heat mould
During formula, control first interface A is connected with second interface B, and the cyclic process of air-conditioner is completed using outdoor supplementary heat exchanger stream；
Or when air conditioning operating mode is refrigeration mode, control first interface A and the 3rd interface C connections are bypassed using refrigerant and flowed
Road completes the cyclic process of air-conditioner.
The present invention also provides a kind of air-conditioner, as shown in figure 3, being the structural representation of air-conditioner, the air-conditioner includes
The control system for improving air-conditioning heating effect.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of control system for improving air-conditioning heating effect, including by compressor (2), indoor heat exchanger (3), electronics section
Stream unit (5), outdoor heat exchanger (6) and four-way valve (7) are sequentially communicated the refrigerant flow of composition, it is characterised in that the interior
Triple valve (9), outdoor supplementary heat exchanger stream (8) and refrigerant bypass are provided between heat exchanger (3) and electronic throttle part (5)
Stream (1), outdoor supplementary heat exchanger (4) is provided with the outdoor supplementary heat exchanger stream (8)；The outdoor supplementary heat exchanger stream
Triple valve (9) is connected after road (8) and the refrigerant bypass flow path (1) parallel connection, the triple valve (9) connects control device, institute
Control device is stated for controlling the triple valve (9) according to air conditioning operating mode, so that refrigerant flow direction refrigerant bypass flow path
Or outdoor supplementary heat exchanger stream (8) completes the cyclic process of air-conditioner (1).
2. the control system for improving air-conditioning heating effect according to claim 1, it is characterised in that the triple valve
(9) including first interface A, second interface B and the 3rd interface C, the first interface A connects electronic throttle part (5), and described the
The outdoor supplementary heat exchanger (4) of two interface B connections, the 3rd interface C connections refrigerant bypass flow path (1) one end；The control device
For when air conditioning operating mode is heating mode, control first interface A to be connected with second interface B, using the outdoor auxiliary
Heat exchanger flow circuit (8) completes the cyclic process of air-conditioner；Or when air conditioning operating mode is refrigeration mode, control first interface
A and the 3rd interface C is connected, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path (1).
3. the control system for improving air-conditioning heating effect according to claim 1 and 2, it is characterised in that the room
Outer supplementary heat exchanger (4) is disposed in the outdoor the outside of heat exchanger (6) or the inside of the outdoor heat exchanger (6).
4. the control system for improving air-conditioning heating effect according to claim 3, it is characterised in that the outdoor is auxiliary
It is copper pipe type heat exchanger or finned heat exchanger to help heat exchanger (4).
5. the control system for improving air-conditioning heating effect according to claim 4, it is characterised in that the electronics section
Stream unit (5) is capillary, electric expansion valve or heating power expansion valve.
6. a kind of control method for improving air-conditioning heating effect, is applied to Claims 1 to 5 any described for improving
The control system of air-conditioning heating effect, it is characterised in that comprise the following steps：
Step 1, obtains air conditioning operating mode；
Step 2, air-conditioner is completed according to air conditioning operating mode using refrigerant bypass flow path or outdoor supplementary heat exchanger stream
Cyclic process.
7. the control method for improving air-conditioning heating effect according to claim 6, it is characterised in that the step 2
Specially：When air conditioning operating mode is heating mode, control first interface A is connected with second interface B, is changed using outdoor auxiliary
Hot device stream completes the cyclic process of air-conditioner；Or when air conditioning operating mode is refrigeration mode, control first interface A and the
Three interface C are connected, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path.
8. a kind of air-conditioner, it is characterised in that any described for improving air-conditioning heating effect including Claims 1 to 5
Control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086970.3A CN106705217A (en) | 2016-11-30 | 2016-11-30 | Control method and system used for improving heating effect of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086970.3A CN106705217A (en) | 2016-11-30 | 2016-11-30 | Control method and system used for improving heating effect of air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106705217A true CN106705217A (en) | 2017-05-24 |
Family
ID=58935339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086970.3A Pending CN106705217A (en) | 2016-11-30 | 2016-11-30 | Control method and system used for improving heating effect of air conditioner and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110243049A (en) * | 2019-06-20 | 2019-09-17 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning heating control method, device and air conditioner |
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| CN110243049B (en) * | 2019-06-20 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Air conditioner heating control method and device and air conditioner |
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| PB01 | Publication | ||
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Application publication date: 20170524 |