CN106989545A - Refrigerant cooling device and air conditioner - Google Patents
Refrigerant cooling device and air conditioner Download PDFInfo
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- CN106989545A CN106989545A CN201710130709.7A CN201710130709A CN106989545A CN 106989545 A CN106989545 A CN 106989545A CN 201710130709 A CN201710130709 A CN 201710130709A CN 106989545 A CN106989545 A CN 106989545A
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- refrigerant cooling
- refrigerant
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- restricting element
- cooling tube
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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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention discloses a kind of refrigerant cooling device and air conditioner, the compressor of coolant loop is formed including series connection, four-way valve, outdoor heat exchanger, refrigerant cools down component, indoor set, and gas-liquid separator, refrigerant cooling component includes refrigerant cooling tube, and it is respectively arranged at an at least first throttle element and at least one second restricting element at refrigerant cooling tube two ends, the first throttle element in parallel has the first check valve, second restricting element is parallel with the second check valve, the refrigerant cooling device also includes a controller, the first throttle element and the second restricting element are all connected with the controller, controller control first throttle element or the second restricting element keep default aperture/shut, the refrigerant for making inflow refrigerant cooling tube is the liquid refrigerants throttled without first throttle element or the second restricting element, the low temperature refrigerant after being throttled through restricting element is avoided with making the too low generation condensation of its temperature after the heat exchange of automatically controlled heat generating components, improve the reliability of product.
Description
Technical field
The present invention relates to technical field of heat exchange, more particularly to a kind of refrigerant cooling device and air conditioner.
Background technology
In order to realize functional diversities, the power device that air conditioner is carried is on the increase, the caloric values of electric-controlled parts into
To weigh the important indicator of product reliability.For automatically controlled high heating problem, universal solution is to use to be attached on automatically controlled
Pipeline in refrigerant automatically controlled device is cooled down, i.e., refrigerant cooling radiating mode.Because the refrigerant of use is often low temperature
Refrigerant, low temperature refrigerant after restricting element temperature substantially reduce, in the larger environment of part humidity ratio, electric-controlled parts exist
With being easy to condensation problem occur after the refrigerant heat exchange in pipeline, and then the reliability of serious threat air conditioner electric control.Pass through regulation
The aperture size of the throttle part of refrigerant cooling circuit, such as electric expansion valve, realizes different restriction effects, and control enters automatically controlled
Refrigerant temperature can avoid condensation, but be due to that air-conditioning can both run refrigeration mode, can also run heating mode, different refrigerants
Control logic has very big difference when flowing to, and control is complex and cost of implementation is higher.
The content of the invention
It is a primary object of the present invention to provide a kind of refrigerant cooling device, it is intended to which automatically controlled heat generating components is cooled,
Improve the reliability of product.
To achieve the above object, refrigerant cooling device proposed by the present invention, including series connection formed coolant loop compressor,
Four-way valve, outdoor heat exchanger, refrigerant cooling component, indoor set and gas-liquid separator；
The refrigerant cooling component includes refrigerant cooling tube, is arranged at least the one first of the refrigerant cooling tube first end
Restricting element and at least one second restricting element for being arranged at the end of refrigerant cooling tube second, the first throttle element is simultaneously
The first check valve is associated with, second restricting element is parallel with the second check valve；
The refrigerant cooling device also includes a controller, and the first throttle element and the second restricting element are all connected with institute
Controller is stated, the controller control first throttle element or the second restricting element keep default aperture or shut, and make inflow cold
The refrigerant of matchmaker's cooling tube is the liquid refrigerants throttled without first throttle element or the second restricting element.
Further, the refrigerant cooling tube is arranged between the outdoor heat exchanger and indoor set, the first throttle
Element is arranged between the outdoor heat exchanger and refrigerant cooling tube, second restricting element be arranged at the indoor set with it is cold
Between matchmaker's cooling tube；
First check valve is turned on when in refrigeration, conducting, the second check valve are being heated；
In refrigeration, the controller control first throttle element is shut, the second restricting element keeps default aperture, refrigerant
The liquid refrigerants consistent with current outdoor environment temperature is flowed into cooling tube；
When heating, the controller controls the second restricting element to shut, and first throttle element keeps default aperture, refrigerant
The liquid refrigerants consistent with current indoor environment temperature is flowed into cooling tube.
Further, the refrigerant cooling component includes two first throttle elements and two the second restricting elements, described
It is in parallel with first check valve after the series connection of two first throttle elements, it is single with described second after the two second restricting elements series connection
It is in parallel to valve.
Further, the first temperature sensor is additionally provided between the first throttle element and refrigerant cooling tube, it is described
Second temperature sensor, first temperature sensor and the second temperature are additionally provided between second restricting element and refrigerant cooling tube
Degree sensor is all connected with the controller, and the controller is according to the refrigerant temperature regulation first throttle for flowing into first throttle element
The aperture of element, or the aperture according to refrigerant temperature the second restricting element of regulation for flowing into the second restricting element.
Further, the first throttle element and the second restricting element are electric expansion valve.
Further, the refrigerant cooling tube is spliced to form by multistage tubing.
Further, the refrigerant cooling tube is spliced to form by U-tube, linear tube.
Further, the outdoor heat exchanger is air cooling heat exchanger or water cooling heat exchanger.
Another object of the present invention is to propose a kind of air conditioner, the air conditioner includes：
Refrigerant cooling device, the refrigerant cooling device is refrigerant cooling device as described above；
Outdoor unit electric-controlled plate, the refrigerant cooling tube that the outdoor unit electric-controlled plate closes on the refrigerant cooling device is set.
Further, when air conditioner freezes, control first throttle element is shut, and the second restricting element keeps default and opened
Degree, the refrigerant after being exchanged heat through outdoor heat exchanger carries out cold through the first check valve inflow refrigerant cooling tube to the outdoor unit electric-controlled plate
But cool, after through second section fluid element return to compressor complete kind of refrigeration cycle；
When air conditioner heat-production, the second restricting element of control is shut, and first throttle element keeps default aperture, through indoor set
Refrigerant after heat exchange flows into refrigerant cooling tube through the second check valve and the outdoor unit electric-controlled plate is cooled down, after through the
One restricting element returns to compressor and completes to heat circulation.
The refrigerant cooling device of the present invention, by being set respectively described in restricting element and parallel connection at the two ends of refrigerant cooling tube
The check valve of restricting element so that the refrigerant with heat exchanger Jing Guo heat exchange is directly flowed into for cooling down automatically controlled hair by check valve
The refrigerant cooling tube of thermal part, it is to avoid refrigerant is cooled down after again passing by restricting element throttling cooling to automatically controlled heat generating components
When produce condensation, improve the reliability of product；Meanwhile, when carrying out refrigeration and the switching of heating mode, it is only necessary to control cold
The restricting element at matchmaker's cooling tube two ends keeps default aperture or shut, and controls simple, easily operated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of refrigerant cooling device one of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Compressor | 44 | First check valve |
| 20 | Four-way valve | 45 | Second check valve |
| 30 | Outdoor heat exchanger | 46 | First temperature sensor |
| 40 | Refrigerant cools down component | 47 | Second temperature sensor |
| 41 | Refrigerant cooling tube | 50 | Indoor set |
| 42 | First throttle element | 60 | Gas-liquid separator |
| 43 | Second restricting element |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention proposes a kind of refrigerant cooling device, applied to air conditioner or heat pump.
Reference picture 1, Fig. 1 is the structural representation of the embodiment of refrigerant cooling device one of the present invention.
In the present embodiment, the refrigerant cooling device includes the compressor 10, four-way valve 20, room that series connection forms coolant loop
External heat exchanger 30, refrigerant cooling component 40, indoor set 50 and gas-liquid separator 60；
Refrigerant cooling component 40 includes refrigerant cooling tube 41, is arranged at least the 1 the of the first end of refrigerant cooling tube 41
One restricting element 42 and at least one second restricting element 43 for being arranged at the end of refrigerant cooling tube 41 second, the first throttle member
Part 42 is parallel with the first check valve 44, and second restricting element 43 is parallel with the second check valve 45；
The refrigerant cooling device also includes a controller (not shown), the throttling of first throttle element 42 and second member
Part 43 is all connected with the controller, and the controller control first throttle element 42 or the second restricting element 43 keep default aperture
Or shut, the refrigerant for making inflow refrigerant cooling tube 41 is the liquid throttled without the restricting element 43 of first throttle element 42 or second
State refrigerant.
The refrigerant cooling device of the present embodiment mainly utilizes the consistent indoor environment temperature in coolant loop after heat exchange
The liquid refrigerants of degree or outdoor environment temperature is cooled down to automatically controlled heat generating components, to solve in conventional refrigerant cooling means
Using the liquid refrigerants after the decrease temperature and pressure that throttles and automatically controlled heat generating components cause the temperature of automatically controlled heat generating components after heat exchange
Less than the environment temperature of surrounding, and then condensation is produced, threaten the reliability of electric-controlled parts, cause potential safety hazard.
The refrigerant cooling device of the present embodiment includes compressor 10, four-way valve 20, outdoor heat exchanger 30, refrigerant cooling component
40th, the coolant loop for refrigerant or refrigerant circulation is formed after indoor set 50 and gas-liquid separator 60, above-mentioned unit Series, it is cold
Refrigerant in matchmaker loop forms the gaseous coolant of HTHP after the compressed action of compressor 10, and room is flowed into after four-way valve 20
External heat exchanger 30 or indoor set 50, heat exchange is realized by outdoor heat exchanger 30 and external environment condition, external environment heat release, until
Stop heat release when reaching consistent with outdoor environment temperature, or exchanged heat by indoor set 50 and indoor environment, internally ring
Border heat release, until stopping heat release when consistent with indoor environment temperature, enters refrigerant and cools down component 40, refrigerant cooling component 40 afterwards
Including closing on the refrigerant cooling tube 41 of automatically controlled heat generating components setting, being arranged at an at least first segment for the first end of refrigerant cooling tube 41
Fluid element 42 and at least one second restricting element 43 for being arranged at the end of refrigerant cooling tube 41 second, the first throttle element 42
With the second restricting element 43 be respectively two or more when, two or more first throttle elements 42 can connect
Connection, can also be connected in parallel；Similarly, two or more second restricting elements 43 can also be connected in parallel or series.
The first throttle element 42 is parallel with the first check valve 44, and the second restricting element 43 is parallel with the second check valve, now, if the
When one restricting element 42 is two or more, can be after two or more first throttle elements 42 are connected again
It is unidirectional with first again with after the in parallel or two or more parallel connections of first throttle element 42 of the first check valve 44
Valve 44 is in parallel, similarly, can be two or more second sections when the second restricting element 43 is two or more
Fluid element 43 is in parallel with the second check valve 45 again after connecting, or two or more second restricting elements 43 are in parallel
It is in parallel with the second check valve 45 again afterwards.
The refrigerant cooling device also includes a controller (not shown), and the controller can be air conditioner or source pump
Control program or air conditioner or the processor of source pump, the controller respectively with first throttle element 42 and
Second restricting element 43 is electrically connected with, the aperture size of control first throttle element 42 and the second restricting element 43, passes through control
The restricting element 43 of first throttle element 42 or second keeps default aperture or shut (aperture is 0), makes inflow refrigerant cooling tube 41
Refrigerant be without the restricting element 43 of first throttle element 42 or second throttle liquid refrigerants so as to automatically controlled heat generating components
The consistent indoor and outdoor surroundingses temperature of refrigerant temperature that cools down, it is to avoid automatically controlled heat generating components carries out the temperature after heat exchange
Environment temperature less than surrounding produces condensation, threatens the reliability of automatically controlled heater element, improves the reliability and safety of product
Property, meanwhile, when carrying out refrigeration and the switching of heating mode, it is only necessary to control the restricting element at refrigerant cooling tube two ends to keep pre-
If aperture is shut, control simple, easily operated..
Further, the refrigerant cooling tube 41 is arranged between the outdoor heat exchanger 30 and indoor set 50, and described
One restricting element 42 is arranged between the outdoor heat exchanger 30 and refrigerant cooling tube 41, and second restricting element 43 is arranged at
Between the indoor set 50 and refrigerant cooling tube 41；
First check valve 44 is turned on when in refrigeration, conducting, the second check valve 45 are being heated；
In refrigeration, the controller control first throttle element 42 is shut, the second restricting element 43 keeps default aperture,
The liquid refrigerants consistent with current outdoor environment temperature is flowed into refrigerant cooling tube 41；
When heating, the controller controls the second restricting element 43 to shut, and first throttle element 42 keeps default aperture,
The liquid refrigerants consistent with current indoor environment temperature is flowed into refrigerant cooling tube 41.
In the present embodiment, refrigerant cooling tube 41 is arranged between outdoor heat exchanger 30 and indoor set 50, so as to through outdoor
The liquid refrigerants of consistent outdoor environment temperature after the heat exchange of heat exchanger 30 realizes the consistent indoor ring after exchanging heat through indoor set 50
The liquid refrigerants of border temperature, which can flow directly into refrigerant cooling tube 41, to be realized automatically controlled heat generating components is cooled, first throttle
Element 42 is arranged between outdoor heat exchanger 30 and refrigerant cooling tube 41, and the second restricting element 43 is arranged at indoor set 50 and refrigerant
Between cooling tube 41, while the arrival end of first check valve 44 in parallel with first throttle element 42 is connected outdoor heat exchanger 30,
The port of export is close to connection refrigerant cooling tube 41 so that in air conditioner or source pump refrigeration, the first check valve 44 is turned on, by room
The refrigerant that external heat exchanger 30 flows out can be from the first check valve 44 by entering refrigerant cooling tube；It is in parallel with the second restricting element 43
The second check valve 45 arrival end connection outdoor unit 50, the port of export close to connection refrigerant cooling tube 41 so as in air conditioner or heat
When pump assembly is heated, the second check valve 45 is turned on, and the refrigerant flowed out by indoor set 50 can be from the second check valve 45 by entering
Refrigerant cooling tube.
When air conditioner or source pump freeze, controller control first throttle element 42 is shut, the second restricting element 43
Keep default aperture, the gaseous coolant of the HTHP discharged by compressor 10 is via entering outdoor heat exchanger after four-way valve 20
30, the refrigerant temperature in coolant loop is down to consistent outdoor environment temperature via the heat exchange of the external environment of outdoor heat exchanger 30,
Now refrigerant flows into refrigerant cooling component 40, because now first throttle element 42 is in the state that shuts, namely first throttle member
The aperture of part 42 is 0, then now refrigerant directly flows into refrigerant cooling tube 41 through the first check valve 44, is then opened by keeping default
Second restricting element 43 of degree carries out getting in machine 50 after reducing pressure by regulating flow cooling, and the default aperture throttles according to flowing into second
The refrigerant temperature and cold medium flux of element 43 determined, heat of vaporization in indoor environment is absorbed into gaseous coolant by indoor set 50
Come back to via four-way valve 20 and gas-liquid separator 60 in compressor 10, complete a kind of refrigeration cycle.
When air conditioner or source pump are heated, the first element 43 of the throttling of controller control second is shut, first throttle element
42 keep default aperture, the gaseous coolant of the HTHP discharged by compressor 10 via getting in machine 50 after four-way valve 20,
Exchanged heat via indoor set 50 and indoor environment, the refrigerant temperature in coolant loop is down to consistent indoor environment temperature, it is now cold
Matchmaker flows into refrigerant cooling component 40, because now the second restricting element 43 is in the state that shuts, namely the second restricting element 43
Aperture is 0, then now refrigerant directly flows into refrigerant cooling tube 41 through the second check valve 45, then by keeping the of default aperture
One restricting element 42 carries out entering outdoor heat exchanger 30 after reducing pressure by regulating flow cooling, and the default aperture is first according to first throttle is flowed into
The refrigerant temperature and cold medium flux of part 42 determine that the heat of vaporization absorbed by outdoor heat exchanger 30 in outdoor environment is cold into gaseous state
Matchmaker, then come back to via four-way valve 20 and gas-liquid separator 60 in compressor 10, complete one and heat circulation.
Further, the refrigerant cooling component 40 includes two first throttle elements 42 and two the second restricting elements
43, the two first throttles element 42 is in parallel with first check valve 44 after connecting, and two second restricting element 43 is connected
It is in parallel with second check valve 45 afterwards.
In another embodiment, refrigerant cooling component 40 can also include two first throttle elements 42 and two second sections
Fluid element 43, in parallel with the first check valve 44 again, two second restricting element after the two first throttles element 42 is connected
It is in parallel with the second check valve 45 again after 43 series connection, more than two first throttle elements 42 are can also be in other embodiments
In parallel with the first check valve 44 again after series connection, by connecting, two or more first throttle elements 42 cause air conditioner
Or source pump is in heating operation, reducing pressure by regulating flow further can be carried out to the refrigerant by refrigerant cooling tube 41 and supercooling is set
Meter so that it is easier the heat for absorbing outdoor environment, improves heating efficiency；Similarly, two are can also be in other embodiments
It is in parallel with the second check valve 45 again after the second restricting element 43 series connection more than individual, by series connection two or more the
Two restricting elements 43 cause air conditioner or source pump in refrigerating operaton, can be further to by the cold of refrigerant cooling tube 41
Matchmaker carries out throttling cooling design, it is absorbed more indoor environment heats, improves refrigerating efficiency.
Further, it is additionally provided with the first temperature sensor between the first throttle element 42 and refrigerant cooling tube 41
46, second temperature sensor 47, first temperature are additionally provided between second restricting element 43 and refrigerant cooling tube 41
Sensor 46 and second temperature sensor 47 are all connected with the controller, and the controller is according to inflow first throttle element 42
The aperture of refrigerant temperature regulation first throttle element 42, or adjust second section according to the refrigerant temperature for flowing into the second restricting element 43
The aperture of fluid element 43.
In another embodiment, the first temperature sensor is additionally provided between first throttle element 42 and refrigerant cooling tube 41
46, to detect the temperature for the refrigerant that reducing pressure by regulating flow cooling will be carried out by first throttle element 42, the second restricting element 43 with
Second temperature sensor 47 is additionally provided between refrigerant cooling tube 41, will be throttled with detecting by the second restricting element 43
The temperature of the refrigerant of cooling is depressured, the first temperature sensor 46 and second temperature sensor 47 are electrically connected with the controller,
The controller can also be connected in other embodiment by signal, now the first temperature sensor 46 and second temperature sensor
The refrigerant temperature parameter collected is sent to controller by 47 by wireless signal, by the controller according to inflow first throttle
The aperture of the refrigerant temperature regulation first throttle element 42 of element 42, or adjusted according to the refrigerant temperature for flowing into the second restricting element 43
The aperture of the second restricting element 43 is saved, to improve the heat exchange efficiency of refrigerant, and then the refrigeration or heating efficiency of system is improved.
Further, the restricting element 43 of first throttle element 42 and second is electric expansion valve, so as to according to inspection
The cold medium flux parameter and temperature parameter measured adjusts the aperture of the restricting element 43 of first throttle element 42 and second in real time.
Further, the refrigerant cooling tube 41 is spliced to form by multistage tubing, the refrigerant cooling tube 41 by U-tube,
Linear pipe is spliced to form, so as to the structure of the electric-controlled parts that adapt to different sizes, so as to more efficiently to automatically controlled hair
Thermal part is cooled down.
Further, the outdoor heat exchanger 30 is air cooling heat exchanger or water cooling heat exchanger.
Present invention further propose that a kind of air conditioner, the air conditioner includes：
Refrigerant cooling device, the refrigerant cooling device is refrigerant cooling device as described above；
Outdoor unit electric-controlled plate, the refrigerant cooling tube that the outdoor unit electric-controlled plate closes on the refrigerant cooling device is set.
The air conditioner of the present embodiment includes outdoor unit electric-controlled plate and refrigerant cooling device as described above, described outdoor electromechanical
The refrigerant cooling tube 41 that control plate closes on the refrigerant cooling device is set, and the refrigerant cooling device forms refrigerant including series connection and returned
Compressor 10, four-way valve 20, outdoor heat exchanger 30, refrigerant cooling component 40, indoor set 50 and the gas-liquid separator 60 on road, it is cold
Matchmaker's cooling component 40 includes refrigerant cooling tube 41 and is arranged at an at least first throttle element 42 and at the two ends of refrigerant cooling tube 41
At least one second restricting element 43, the first throttle element 42 is parallel with the first check valve 44, second restricting element 43
The second check valve 45 is parallel with, the refrigerant cooling device also includes a controller, the first throttle element 42 and second section
Fluid element 43 is all connected with the controller, and the controller control first throttle element 42 or the second restricting element 43 keep default
Aperture is shut, and makes the refrigerant of inflow refrigerant cooling tube 41 to throttle without the restricting element 43 of first throttle element 42 or second
Liquid refrigerants, be specially：In refrigeration, the controller control first throttle element 42 is shut, the second restricting element 43 is protected
Hold and the liquid refrigerants consistent with current outdoor environment temperature is flowed into default aperture, refrigerant cooling tube 41；When heating, the control
Device processed controls the second restricting element 43 to shut, and first throttle element 42 keeps flowing into working as in default aperture, refrigerant cooling tube 41
The consistent liquid refrigerants of preceding indoor environment temperature；The low temperature refrigerant after throttling through restricting element is avoided to change with automatically controlled heat generating components
Make the too low generation condensation of its temperature after heat, improve the reliability of product, meanwhile, carrying out refrigeration and the switching of heating mode
When, it is only necessary to control the restricting element at refrigerant cooling tube two ends to keep default aperture or shut, control simple, easily operated..
Further, when air conditioner freezes, control first throttle element is shut, and the second restricting element keeps default and opened
Degree, the refrigerant after being exchanged heat through outdoor heat exchanger carries out cold through the first check valve inflow refrigerant cooling tube to the outdoor unit electric-controlled plate
But cool, after through second section fluid element return to compressor complete kind of refrigeration cycle；
When air conditioner heat-production, the second restricting element of control is shut, and first throttle element keeps default aperture, through indoor set
Refrigerant after heat exchange flows into refrigerant cooling tube through the second check valve and the outdoor unit electric-controlled plate is cooled down, after through the
One restricting element returns to compressor and completes to heat circulation.
In the present embodiment, during the air conditioner refrigeration, controller control first throttle element 42 is shut, the second throttling member
Part 43 keeps default aperture, and the gaseous coolant of the HTHP discharged by compressor 10 is via entering outdoor heat exchange after four-way valve 20
Device 30, makes the refrigerant temperature in coolant loop be down to consistent outdoor environment temperature via the heat exchange of the external environment of outdoor heat exchanger 30
Degree, now refrigerant flow into refrigerant cooling component 40, shut state, namely first throttle because now first throttle element 42 is in
The aperture of element 42 is 0, then now refrigerant directly flows into refrigerant cooling tube 41 through the first check valve 44, then by keeping default
Second restricting element 43 of aperture carries out getting in machine 50 after reducing pressure by regulating flow cooling, and the default aperture is according to inflow second section
The refrigerant temperature and cold medium flux of fluid element 43 determine that the heat of vaporization absorbed by indoor set 50 in indoor environment is cold into gaseous state
Matchmaker is come back in compressor 10 via four-way valve 20 and gas-liquid separator 60, completes a kind of refrigeration cycle.
In air conditioner heat-production, the first element 43 of the throttling of controller control second is shut, and first throttle element 42 keeps default
Aperture, the gaseous coolant for the HTHP discharged by compressor 10 after four-way valve 20 via machine 50 is got in, via indoor set
50 exchange heat with indoor environment, the refrigerant temperature in coolant loop is down to consistent indoor environment temperature, and now refrigerant flows into refrigerant
Component 40 is cooled down, because now the second restricting element 43 is in the state that shuts, namely the aperture of the second restricting element 43 is 0, then
Now refrigerant directly flows into refrigerant cooling tube 41 through the second check valve 45, then by the first throttle element of the default aperture of holding
42 carry out entering outdoor heat exchanger 30 after reducing pressure by regulating flow cooling, and the default aperture is according to the refrigerant for flowing into first throttle element 42
Temperature and cold medium flux are determined, by the heat of vaporization in the absorption outdoor environment of outdoor heat exchanger 30 into gaseous coolant, then via
Four-way valve 20 and gas-liquid separator 60 are come back in compressor 10, are completed one and are heated circulation.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of refrigerant cooling device, it is characterised in that the refrigerant cooling device include series connection formed coolant loop compressor,
Four-way valve, outdoor heat exchanger, refrigerant cooling component, indoor set and gas-liquid separator；
The refrigerant cooling component includes refrigerant cooling tube, is arranged at an at least first throttle for the refrigerant cooling tube first end
Element and at least one second restricting element for being arranged at the end of refrigerant cooling tube second, the first throttle element in parallel have
First check valve, second restricting element is parallel with the second check valve；
The refrigerant cooling device also includes a controller, and the first throttle element and the second restricting element are all connected with the control
Device processed, the controller control first throttle element or the second restricting element keep default aperture or shut, and make inflow refrigerant cold
But the refrigerant of pipe is the liquid refrigerants throttled without first throttle element or the second restricting element.
2. refrigerant cooling device according to claim 1, it is characterised in that the refrigerant cooling tube is arranged at the outdoor
Between heat exchanger and indoor set, the first throttle element is arranged between the outdoor heat exchanger and refrigerant cooling tube, described
Second restricting element is arranged between the indoor set and refrigerant cooling tube；
First check valve is turned on when in refrigeration, conducting, the second check valve are being heated；
In refrigeration, the controller control first throttle element is shut, the second restricting element keeps default aperture, refrigerant cooling
The liquid refrigerants consistent with current outdoor environment temperature is flowed into pipe；
When heating, the controller controls the second restricting element to shut, and first throttle element keeps default aperture, refrigerant cooling
The liquid refrigerants consistent with current indoor environment temperature is flowed into pipe.
3. refrigerant cooling device according to claim 2, it is characterised in that the refrigerant cooling component includes two first
Restricting element and two the second restricting elements, it is in parallel with first check valve after the two first throttles element series connection, it is described
It is in parallel with second check valve after the series connection of two second restricting elements.
4. refrigerant cooling device according to claim 2, it is characterised in that the first throttle element and refrigerant cooling tube
Between be additionally provided with the first temperature sensor, be additionally provided between second restricting element and refrigerant cooling tube second temperature biography
Sensor, first temperature sensor and second temperature sensor are all connected with the controller, and the controller is according to flowing into the
The refrigerant temperature of one restricting element adjusts the aperture of first throttle element, or is adjusted according to the refrigerant temperature for flowing into the second restricting element
Save the aperture of the second restricting element.
5. the refrigerant cooling device according to claim any one of 1-4, it is characterised in that the first throttle element and
Two restricting elements are electric expansion valve.
6. refrigerant cooling device according to claim 5, it is characterised in that the refrigerant cooling tube is spliced by multistage tubing
Formed.
7. refrigerant cooling device according to claim 6, it is characterised in that the refrigerant cooling tube is by U-tube, linear tube
It is spliced to form.
8. refrigerant cooling device according to claim 5, it is characterised in that the outdoor heat exchanger be air cooling heat exchanger or
Water cooling heat exchanger.
9. a kind of air conditioner, it is characterised in that the air conditioner includes：
Refrigerant cooling device, the refrigerant cooling device is the refrigerant cooling device described in claim any one of 1-8；
Outdoor unit electric-controlled plate, the refrigerant cooling tube that the outdoor unit electric-controlled plate closes on the refrigerant cooling device is set.
10. air conditioner according to claim 9, it is characterised in that
When air conditioner freezes, control first throttle element is shut, and the second restricting element keeps default aperture, through outdoor heat exchanger
Refrigerant after heat exchange flows into refrigerant cooling tube through the first check valve and the outdoor unit electric-controlled plate is cooled down, after through the
Two restricting elements return to compressor and complete kind of refrigeration cycle；
When air conditioner heat-production, the second restricting element of control is shut, and first throttle element keeps default aperture, is exchanged heat through indoor set
Refrigerant afterwards through the second check valve flow into refrigerant cooling tube the outdoor unit electric-controlled plate is cooled down, after through first segment
Fluid element returns to compressor and completes to heat circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130709.7A CN106989545A (en) | 2017-03-06 | 2017-03-06 | Refrigerant cooling device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710130709.7A CN106989545A (en) | 2017-03-06 | 2017-03-06 | Refrigerant cooling device and air conditioner |
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| CN106989545A true CN106989545A (en) | 2017-07-28 |
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| CN201710130709.7A Withdrawn CN106989545A (en) | 2017-03-06 | 2017-03-06 | Refrigerant cooling device and air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731206A (en) * | 2018-06-20 | 2018-11-02 | 广东美的暖通设备有限公司 | Refrigerant cooling device and its control method and air-conditioning system |
| CN109959181A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
| CN109959182A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
| CN113251501A (en) * | 2021-05-13 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air conditioner outdoor unit control method and air conditioner outdoor unit |
| CN114427730A (en) * | 2022-01-14 | 2022-05-03 | 宁波奥克斯电气股份有限公司 | Air conditioner controller temperature control method and device and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108731206A (en) * | 2018-06-20 | 2018-11-02 | 广东美的暖通设备有限公司 | Refrigerant cooling device and its control method and air-conditioning system |
| CN109959181A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
| CN109959182A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
| CN113251501A (en) * | 2021-05-13 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air conditioner outdoor unit control method and air conditioner outdoor unit |
| CN114427730A (en) * | 2022-01-14 | 2022-05-03 | 宁波奥克斯电气股份有限公司 | Air conditioner controller temperature control method and device and air conditioner |
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Application publication date: 20170728 |