CN106705228B - A kind of air-conditioner system and control method - Google Patents
A kind of air-conditioner system and control method Download PDFInfo
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- CN106705228B CN106705228B CN201710018572.6A CN201710018572A CN106705228B CN 106705228 B CN106705228 B CN 106705228B CN 201710018572 A CN201710018572 A CN 201710018572A CN 106705228 B CN106705228 B CN 106705228B
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- heat exchanger
- exchanger tube
- air
- compressor
- conditioner system
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Classifications
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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
-
- 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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention relates to air-conditioning technical fields, disclose a kind of air-conditioner system, including coolant loop, the coolant loop includes the compressor by piping connection, outdoor heat exchanger, throttling set and indoor heat exchanger, it further includes reflux exchanger and diverter branch, the reflux exchanger includes the first heat exchanger tube and the second heat exchanger tube, one end of the diverter branch connects the pipeline between the throttling set and indoor heat exchanger, the other end of the diverter branch connects the pipeline between the compressor and outdoor heat exchanger, first heat exchanger tube is connected to the pipeline between the compressor and outdoor heat exchanger, second heat exchanger tube is connected to the diverter branch, it exchanges heat between first heat exchanger tube and the second heat exchanger tube；The diverter branch is equipped with check valve.High frequent start and stop when the present invention can be avoided high-temperature refrigeration, to promote the usage comfort and satisfaction of user.The invention also discloses a kind of control methods of air-conditioner system.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of air-conditioner system and control method.
Background technique
It lives indispensable electric equipment products currently, air conditioner has become people, is even more widely used in various differences
Weather conditions.When outdoor environment temperature is excessively high, the refrigerant pipeline pressure in air conditioner is increased with it, and compressor is in this height
Service life will substantially reduce under pressure pressure, and existing solution is one high-pressure switch of increase in air conditioner thus,
The high-pressure switch is connected with compressor, when the pressure in air conditioner reaches the pressure upper limit value of high-pressure switch, pressure
Power switch just will disconnect, and cut off the power supply of compressor, and the pressure in air-conditioner system can decline, when dropping under pressure switch
In limited time, pressure switch can re-close, and compressor restarts work.By the opening and closing of high-pressure switch, thus to avoid
Compressor is run under high pressure, and then plays the role of protecting compressor.
But using above-mentioned control method, there are two the defects of aspect: first, it is opened when air-conditioner system pressure reaches pressure
When shutting limit value, pressure switch is disconnected, and compressor stops working, and the pressure in air-conditioner system can reduce rapidly at this time, and arrive
Up to the lower limit value of pressure switch, pressure switch closure, compressor restarts work；During this, when compressor stops and starts
Between it is very short, it is very unfavorable to the impact of compressor and permanent operation.Second, air conditioner under high temperature environment when, if often occur
Such protection situation very influences the usage comfort and satisfaction of user.
Summary of the invention
(1) technical problems to be solved
High frequent start and stop when the technical problem to be solved by the present invention is to how avoid high-temperature refrigeration, to promote user's
Usage comfort and satisfaction.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of air-conditioner system, including coolant loop, the refrigerant is returned
Road includes by the compressor of piping connection, outdoor heat exchanger, throttling set and indoor heat exchanger, further includes reflux exchanger
And diverter branch, the reflux exchanger include the first heat exchanger tube and the second heat exchanger tube, one end of the diverter branch connects institute
The pipeline between throttling set and indoor heat exchanger is stated, the other end of the diverter branch connects the compressor and outdoor heat exchange
Pipeline between device, first heat exchanger tube are connected to the pipeline between the compressor and outdoor heat exchanger, and described second changes
Heat pipe is connected to the diverter branch, exchanges heat between first heat exchanger tube and the second heat exchanger tube；The diverter branch is equipped with single
To valve.
Wherein, air-conditioner system can also include controller and temperature sensor, and the temperature sensor is set to the pressure
Pipeline between contracting machine and first heat exchanger tube, the temperature that the controller is used to be detected according to the temperature sensor control
The opening and closing of the check valve.
Specifically, hollow chamber is configured between second heat exchanger tube, first heat exchanger tube is along the chamber
The axially extending chamber out.
Further, second heat exchanger tube extends in the shape of a spiral, and inner cavity constitutes the hollow chamber.
Further, the serpentine-like shape of second heat exchanger tube extends and constitutes hollow column tube, the column tube
Inner cavity constitutes the hollow chamber.
Wherein, the check valve is preferably solenoid valve.
The present invention also provides a kind of control methods of air-conditioner system comprising following steps:
S1, receive starting-up signal；
S2, judge whether air-conditioner system runs refrigeration mode；
S3, the outlet air temperature for detecting compressor；
If S4, the outlet air temperature are more than or equal to the first set temperature value, check valve is opened, if outlet air temperature is small
In being equal to second exhaust temperature value, then closed check valve, wherein the first set temperature value is greater than the second set temperature value.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of air-conditioner system provided by the invention, including coolant loop, the coolant loop include passing through piping connection
Compressor, outdoor heat exchanger, throttling set and indoor heat exchanger, further include reflux exchanger and diverter branch, described time
Flowing heat exchanger includes the first heat exchanger tube and the second heat exchanger tube, and one end of the diverter branch connects the throttling set and changes with interior
Pipeline between hot device, the other end of the diverter branch connects the pipeline between the compressor and outdoor heat exchanger, described
First heat exchanger tube is connected to the pipeline between the compressor and outdoor heat exchanger, and second heat exchanger tube is connected to the shunting
Branch, the low temperature refrigerant after throttling set throttling cooling flow through second heat exchanger tube by the diverter branch, are described
Second heat exchanger tube provides low temperature, while the high temperature and pressure refrigerant after compressor compresses flows into room by first heat exchanger tube
External heat exchanger exchanges heat between first heat exchanger tube and the second heat exchanger tube, cools down for the first heat exchanger tube, certainly using air-conditioner system
The circulation loop of body reduces compressor exhaust temperature, reaches the operating pressure reduced air conditioner in hot operation and avoids pressing
The purpose of contracting machine frequent start-stop improves the usage comfort and satisfaction of user.
Detailed description of the invention
Fig. 1 is a kind of connection relationship diagram of the air-conditioner system of the embodiment of the present invention 1；
Fig. 2 is a kind of flow chart of the control method of the air-conditioner system of the embodiment of the present invention 2；
In figure: 1: compressor；2: temperature sensor；3: reflux exchanger；31: the first heat exchanger tubes；32: the second heat exchanger tubes；
4: outdoor heat exchanger；5: throttling set；6: indoor heat exchanger；7: check valve；8: diverter branch；TP: outlet air temperature；TS1: the
One set temperature value；TS2: the second set temperature value.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
As shown in Figure 1, being a kind of air-conditioner system provided by the invention, including coolant loop, the coolant loop include
It further include reflux exchanger 3 by the compressor 1 of piping connection, outdoor heat exchanger 4, throttling set 5 and indoor heat exchanger 6
With diverter branch 8, the reflux exchanger 3 includes the first heat exchanger tube 31 and the second heat exchanger tube 32, one end of the diverter branch 8
The pipeline between the throttling set 5 and indoor heat exchanger 6 is connected, the other end of the diverter branch 8 connects the compressor 1
With the pipeline between outdoor heat exchanger 4, first heat exchanger tube 31 is connected between the compressor 1 and outdoor heat exchanger 4
Pipeline, it will be understood that in an embodiment of the present invention, the both ends of the first heat exchanger tube 31 and the compressor 1 and outdoor heat exchanger 4
Between pipeline connection, certainly, the first heat exchanger tube 31 can also be used as one of the pipeline between compressor 1 and outdoor heat exchanger 4
Part, second heat exchanger tube 32 are connected to the diverter branch 8, it will be understood that the both ends of the second heat exchanger tube 32 and shunting branch
Road 8 is connected to, and certainly, the second heat exchanger tube 32 can also be used as a part of diverter branch 8, and the diverter branch 8 is equipped with check valve
7, for being opened and closed the diverter branch 8；Low temperature refrigerant after the throttling cooling of throttling set 5 is flowed through by the diverter branch 8
Second heat exchanger tube 32 provides low temperature for second heat exchanger tube 32, while cold by the compressed high temperature and pressure of compressor 1
Matchmaker flows into outdoor heat exchanger 4 by first heat exchanger tube 31, and arrow direction is refrigerant flow direction in Fig. 1, and described first changes
It exchanges heat between heat pipe 31 and the second heat exchanger tube 32；For the cooling of the first heat exchanger tube 31, to reduce by 1 delivery temperature of compressor, reach
It reduces operating pressure of the air conditioner in hot operation and avoids the purpose of 1 frequent start-stop of compressor, do not influence to continue refrigeration,
Improve the usage comfort and satisfaction of user.Further, and after the heat exchange of the first heat exchanger tube 31, the second heat exchanger tube 32 is flowed through
Refrigerant temperature it is still lower, the pipeline between the first heat exchanger tube 31 and outdoor heat exchanger 4 is flowed into using this part refrigerant, with pipe
Refrigerant mixing in road, can further decrease the delivery temperature of compressor 1, the circulation loop using air-conditioner system itself is
The exhaust pipe of compressor 1 cools down, energy conservation and environmental protection, good cooling effect.
Wherein, which can also include controller and temperature sensor 2, and the temperature sensor 2 is set to institute
The pipeline between compressor 1 and first heat exchanger tube 31 is stated, for detecting the delivery temperature of compressor 1, the controller is used
The opening and closing of the check valve 7 is controlled in the temperature detected according to the temperature sensor 2, for the ease of opening for autocontrol valve
It closes, the check valve 7 is preferably solenoid valve.
For the ease of being fully cooled to the first heat exchanger tube 31, specifically, it is configured between second heat exchanger tube 32 hollow
Chamber, first heat exchanger tube 31 along the chamber it is axially extending go out the chamber, to guarantee first heat exchanger tube 31
Surrounding can be by effective temperature-reducing.
Specifically, second heat exchanger tube 32 can extend in the shape of a spiral, and inner cavity constitutes the hollow chamber.
Further, second heat exchanger tube 32 can also be constituted hollow with the extension of serpentine-like shape and circumferentially extension
Column tube, the inner cavity of the column tube constitutes the hollow chamber.
Embodiment 2
The present invention also provides a kind of control methods of air-conditioner system, may include as follows as depicted in figs. 1 and 2
Step:
S1, receive starting-up signal；
S2, judge whether air-conditioner system runs refrigeration mode, when not being refrigeration mode, without in next step；
S3, the outlet air temperature T for detecting compressor 1P；
If S4, the outlet air temperature TPMore than or equal to the first set temperature value TS1, then check valve 7 is opened, diverter branch 8
Low temperature refrigerant is flowed through, low temperature is provided for the second heat exchanger tube 32, to cool down for the first heat exchanger tube 31, if outlet air temperature is less than or equal to
Second exhaust temperature value TS2, then check valve 7 is closed, and coolant loop works normally, wherein the first set temperature value TS1Greater than
Two set temperature value TS2。
This control method is the high frequent occurred for protection compressor when running at high temperature to current air conditioner
The drawbacks of start and stop, is improved, and is reduced compressor exhaust temperature by repeats itself circuit and is reached reduction air conditioner in hot operation
When operating pressure and avoid high frequent start and stop and then the purpose persistently freezed, promote the usage comfort of user and full
Meaning degree.
As can be seen from the above embodiments, high frequent start and stop when the present invention can be avoided high-temperature refrigeration, to promote use
The usage comfort and satisfaction at family.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of air-conditioner system, including coolant loop, the coolant loop includes being changed by the compressor of piping connection, outdoor
Hot device, throttling set and indoor heat exchanger, which is characterized in that further include reflux exchanger and diverter branch, the recuperation
Device includes the first heat exchanger tube and the second heat exchanger tube, one end of the diverter branch connect the throttling set and indoor heat exchanger it
Between pipeline, the other end of the diverter branch connects the pipeline between the compressor and outdoor heat exchanger, and described first changes
Heat pipe is connected to the pipeline between the compressor and outdoor heat exchanger, and second heat exchanger tube is connected to the diverter branch,
It exchanges heat between first heat exchanger tube and the second heat exchanger tube；The diverter branch is equipped with check valve.
2. air-conditioner system according to claim 1, which is characterized in that it further include controller and temperature sensor, it is described
Temperature sensor is set to the pipeline between the compressor and first heat exchanger tube, and the controller is used for according to the temperature
The temperature of sensor detection controls the opening and closing of the check valve.
3. air-conditioner system according to claim 1, which is characterized in that be configured between second heat exchanger tube hollow
Chamber, the axially extending out chamber of first heat exchanger tube along the chamber.
4. air-conditioner system according to claim 3, which is characterized in that second heat exchanger tube extends in the shape of a spiral,
Inner cavity constitutes the hollow chamber.
5. air-conditioner system according to claim 3, which is characterized in that the serpentine-like shape of second heat exchanger tube extend and
Hollow column tube is constituted, the inner cavity of the column tube constitutes the hollow chamber.
6. air-conditioner system according to claim 1-5, which is characterized in that the check valve is solenoid valve.
7. a kind of control method using air-conditioner system as claimed in any one of claims 1 to 6, which is characterized in that including such as
Lower step:
S1, receive starting-up signal；
S2, judge whether air-conditioner system runs refrigeration mode；
S3, the outlet air temperature for detecting compressor；
If S4, the outlet air temperature be more than or equal to the first set temperature value, check valve open, if outlet air temperature be less than etc.
In second exhaust temperature value, then closed check valve, wherein the first set temperature value is greater than the second set temperature value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710018572.6A CN106705228B (en) | 2017-01-10 | 2017-01-10 | A kind of air-conditioner system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710018572.6A CN106705228B (en) | 2017-01-10 | 2017-01-10 | A kind of air-conditioner system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106705228A CN106705228A (en) | 2017-05-24 |
| CN106705228B true CN106705228B (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710018572.6A Active CN106705228B (en) | 2017-01-10 | 2017-01-10 | A kind of air-conditioner system and control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578389B (en) * | 2020-05-09 | 2021-12-10 | 宁波奥克斯电气股份有限公司 | Outer machine heat exchanger, high-temperature-prevention control device and control method and air conditioner |
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|---|---|---|---|---|
| JPH09133416A (en) * | 1995-11-06 | 1997-05-20 | Fujitsu General Ltd | Air conditioner |
| JP2001311567A (en) * | 2000-04-28 | 2001-11-09 | Tabai Espec Corp | Freezer device and environmental test device using the same |
| CN201964701U (en) * | 2011-03-25 | 2011-09-07 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN103673424A (en) * | 2012-09-17 | 2014-03-26 | 珠海格力电器股份有限公司 | Refrigerating system and air conditioning system with same |
| CN103940024A (en) * | 2013-01-22 | 2014-07-23 | 珠海格力电器股份有限公司 | Air conditioner and control system and control method for exhaust temperature of air conditioner compressor |
| CN104729161A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN205279501U (en) * | 2015-12-21 | 2016-06-01 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN106196430A (en) * | 2016-06-30 | 2016-12-07 | 珠海格力电器股份有限公司 | System and method for automatically adjusting refrigerating capacity of fixed-frequency air conditioner |
-
2017
- 2017-01-10 CN CN201710018572.6A patent/CN106705228B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09133416A (en) * | 1995-11-06 | 1997-05-20 | Fujitsu General Ltd | Air conditioner |
| JP2001311567A (en) * | 2000-04-28 | 2001-11-09 | Tabai Espec Corp | Freezer device and environmental test device using the same |
| CN201964701U (en) * | 2011-03-25 | 2011-09-07 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN103673424A (en) * | 2012-09-17 | 2014-03-26 | 珠海格力电器股份有限公司 | Refrigerating system and air conditioning system with same |
| CN103940024A (en) * | 2013-01-22 | 2014-07-23 | 珠海格力电器股份有限公司 | Air conditioner and control system and control method for exhaust temperature of air conditioner compressor |
| CN104729161A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN205279501U (en) * | 2015-12-21 | 2016-06-01 | 珠海格力电器股份有限公司 | Refrigerating system |
| CN106196430A (en) * | 2016-06-30 | 2016-12-07 | 珠海格力电器股份有限公司 | System and method for automatically adjusting refrigerating capacity of fixed-frequency air conditioner |
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| CN106705228A (en) | 2017-05-24 |
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