CN106686945B - Refrigerant radiator and its control method - Google Patents
Refrigerant radiator and its control method Download PDFInfo
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- CN106686945B CN106686945B CN201611254894.2A CN201611254894A CN106686945B CN 106686945 B CN106686945 B CN 106686945B CN 201611254894 A CN201611254894 A CN 201611254894A CN 106686945 B CN106686945 B CN 106686945B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20354—Refrigerating circuit comprising a compressor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20381—Thermal management, e.g. evaporation control
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a kind of refrigerant radiator and its control method, the refrigerant radiator includes compressor, outdoor heat exchanger, outdoor fan, assistant throttle component, refrigerant radiating subassembly, main restricting element and indoor heat exchanger, it the described method comprises the following steps: obtaining the present mode of operation of refrigerant radiator, and the dew-point temperature around refrigerant radiating subassembly is obtained, and obtain the Current Temperatures of refrigerant radiating subassembly；Outdoor fan and main restricting element are controlled according to the Current Temperatures of dew-point temperature and refrigerant radiating subassembly around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly, so that the temperature of refrigerant radiating subassembly is maintained at dew-point temperature or more.To effectively prevent causing because the temperature of refrigerant radiating subassembly is too low electric-controlled plate surface sweating to damage.
Description
Technical field
The present invention relates to Oil Temperature Controlling Technigue field, in particular to a kind of the control method and one kind of refrigerant radiator
Refrigerant radiator.
Background technique
In general, electric-controlled plate can generate a large amount of heat at work, particularly with speed of service height, or include high-power mould
For the electric-controlled plate of block, if heat dissipation may cause electric-controlled plate damage not in time, the safety in utilization of electric-controlled plate and reliable is influenced
Property.
In the related technology, have and radiated using fan, cooling fin etc. to electric-controlled plate, also have and utilize the refrigerant type of cooling pair
Electric-controlled plate radiates.Wherein, it when being radiated using the refrigerant type of cooling, although heat dissipation effect is relatively good, is easy to
The problem of occurring leading to electric-controlled plate surface sweating because refrigerant temperature is too low, and then electric-controlled plate caused to damage.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, enabling to refrigerant an object of the present invention is to provide a kind of control method of refrigerant radiator
The temperature of radiating subassembly remains at dew-point temperature or more, to effectively prevent causing because the temperature of refrigerant radiating subassembly is too low
The damage of electric-controlled plate surface sweating.
Another object of the present invention is to propose a kind of refrigerant radiator.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of control method of refrigerant radiator, institute
Stating refrigerant radiator includes compressor, outdoor heat exchanger, outdoor fan, assistant throttle component, refrigerant radiating subassembly, main throttling
Element and indoor heat exchanger, the exhaust outlet of the compressor are connected with one end of the outdoor heat exchanger, the outdoor heat exchanger
The other end be connected by the assistant throttle component with the entrance of the refrigerant radiating subassembly, the refrigerant radiating subassembly go out
Mouth is connected by the main restricting element with the indoor heat exchanger, and the outdoor fan corresponds to the outdoor heat exchanger setting,
It the described method comprises the following steps that: S1 obtains the present mode of operation of the refrigerant radiator, and obtain the refrigerant heat dissipation
Dew-point temperature around component, and obtain the Current Temperatures of the refrigerant radiating subassembly；S2, according to the refrigerant radiator
Present mode of operation, the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly Current Temperatures to institute
It states outdoor fan and the main restricting element is controlled, so that the temperature of the refrigerant radiating subassembly is maintained at the dew point temperature
Degree or more.
The control method of refrigerant radiator according to an embodiment of the present invention, firstly, obtaining the current of refrigerant radiator
Operational mode, and the dew-point temperature around refrigerant radiating subassembly is obtained, while obtaining the Current Temperatures of refrigerant radiating subassembly, so
Afterwards, according to the dew-point temperature and refrigerant radiating subassembly around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly
Current Temperatures control outdoor fan and main restricting element so that the temperature of refrigerant radiating subassembly be maintained at dew-point temperature with
On.To effectively prevent causing because the temperature of refrigerant radiating subassembly is too low electric-controlled plate surface sweating to damage.
According to one embodiment of present invention, when the present mode of operation of the refrigerant radiator is refrigeration mode,
According to the Current Temperatures of dew-point temperature and the refrigerant radiating subassembly around the refrigerant radiating subassembly to the outdoor fan
It is controlled with the main restricting element, comprising: S21 judges that the difference between the dew-point temperature and the Current Temperatures is
It is no to be more than or equal to the first preset value and continue the first preset time；S22, if it is, the gear of the outdoor fan is turned down
One gear, and after second preset time that is delayed, step S21 is repeated, until the gear of the outdoor fan reaches pre-
If lowest gear.
According to one embodiment of present invention, the gear of the outdoor fan reach the preset lowest gear it
Afterwards, further includes: it is pre- to judge whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described first by S221
If value and lasting third preset time；S222 default is opened if it is, the aperture of the control main restricting element turns first down
Degree, and after the 4th preset time that is delayed, step S221 is repeated, until the aperture of the main restricting element reaches preset
Minimum aperture.
According to another embodiment of the invention, when the present mode of operation of the refrigerant radiator is heating mode
When, according to the Current Temperatures of dew-point temperature and the refrigerant radiating subassembly around the refrigerant radiating subassembly to the outdoor wind
Machine and the main restricting element are controlled, comprising: S23 judges the difference between the dew-point temperature and the Current Temperatures
Whether it is more than or equal to the second preset value and continues the 5th preset time；S24, if it is, by the gear tune of the outdoor fan
A high gear, and after the 6th preset time that is delayed, step S23 is repeated, until the gear of the outdoor fan reaches
Preset highest gear.
According to one embodiment of present invention, the gear of the outdoor fan reach the preset highest gear it
Afterwards, further includes: it is pre- to judge whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described second by S241
If value and continuing the 7th preset time；S242 default is opened if it is, the aperture of the control main restricting element tunes up second
Degree, and after the 8th preset time that is delayed, step S241 is repeated, until the aperture of the main restricting element reaches preset
Maximum opening.
According to one embodiment of present invention, the Current Temperatures of the refrigerant radiating subassembly are the refrigerant radiating subassembly
Inlet temperature or outlet temperature.
To achieve the above object, another aspect of the present invention embodiment proposes a kind of refrigerant radiator, comprising: compression
Machine；Outdoor heat exchanger and outdoor fan, the outdoor fan correspond to the outdoor heat exchanger setting；Assistant throttle component and main section
Fluid element；Refrigerant radiating subassembly；Indoor heat exchanger, the exhaust outlet of the compressor are connected with one end of the outdoor heat exchanger,
The other end of the outdoor heat exchanger is connected by the assistant throttle component with the entrance of the refrigerant radiating subassembly, described cold
The outlet of matchmaker's radiating subassembly is connected by the main restricting element with the indoor heat exchanger；Control module, the control module
For obtaining the present mode of operation of the refrigerant radiator, and the dew-point temperature around the refrigerant radiating subassembly is obtained,
And the Current Temperatures of the refrigerant radiating subassembly are obtained, and according to the present mode of operation of the refrigerant radiator, described
The Current Temperatures of dew-point temperature and the refrigerant radiating subassembly around refrigerant radiating subassembly are to the outdoor fan and described
Main restricting element is controlled, so that the temperature of the refrigerant radiating subassembly is maintained at the dew-point temperature or more.
Refrigerant radiator according to an embodiment of the present invention obtains the current operation of refrigerant radiator by control module
Mode, and the dew-point temperature around refrigerant radiating subassembly is obtained, and obtain the Current Temperatures of refrigerant radiating subassembly, then, root
According to around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly dew-point temperature and refrigerant radiating subassembly it is current
Temperature controls outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at dew-point temperature or more.
To effectively prevent causing because the temperature of refrigerant radiating subassembly is too low electric-controlled plate surface sweating to damage.
According to one embodiment of present invention, when the present mode of operation of the refrigerant radiator is refrigeration mode,
Wherein, it is default to judge whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to first for the control module
Value and continue the first preset time；If so, the gear of the outdoor fan is then turned down a gear by the control module,
And after second preset time that is delayed, judge whether the difference between the dew-point temperature and the Current Temperatures is greater than again
In the first preset value and continue the first preset time, repeat, until the gear of the outdoor fan reaches preset minimum
Gear.
According to one embodiment of present invention, the gear of the outdoor fan reach the preset lowest gear it
Afterwards, the control module also judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described first
Preset value and lasting third preset time；If so, the aperture that the control module then controls the main restricting element turns down
One default aperture, and after the 4th preset time that is delayed, the difference between the dew-point temperature and the Current Temperatures is judged again
Whether value is more than or equal to first preset value and continues the third preset time, repeats, until the main throttling member
The aperture of part reaches preset minimum aperture.
According to another embodiment of the invention, when the present mode of operation of the refrigerant radiator is heating mode
When, wherein the control module judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to second
Preset value and continue the 5th preset time；If so, then a shelves are turned up in the gear of the outdoor fan by the control module
Position, and after the 6th preset time that is delayed, judge that the difference between the dew-point temperature and the Current Temperatures is again
It is no to be more than or equal to the second preset value and continue the 5th preset time, it repeats, until the gear of the outdoor fan reaches
To preset highest gear.
According to one embodiment of present invention, the gear of the outdoor fan reach the preset highest gear it
Afterwards, the control module also judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described second
Preset value and continue the 7th preset time；If so, the aperture that the control module then controls the main restricting element tunes up
Two default apertures, and after the 8th preset time that is delayed, the difference between the dew-point temperature and the Current Temperatures is judged again
Whether value is more than or equal to second preset value and continues the 7th preset time, repeats, until the main restricting element
Aperture reaches preset maximum opening.
According to one embodiment of present invention, the Current Temperatures of the refrigerant radiating subassembly are the refrigerant radiating subassembly
Inlet temperature or outlet temperature.
Detailed description of the invention
Fig. 1 is the flow chart of the control method of refrigerant radiator according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of refrigerant radiator according to an embodiment of the invention；
Fig. 3 is the stream of control method when refrigerant radiator according to an embodiment of the invention is run in a chiller mode
Cheng Tu；And
Fig. 4 is the stream of control method when refrigerant radiator according to an embodiment of the invention is run with heating mode
Cheng Tu.
Appended drawing reference:
Compressor 10, outdoor heat exchanger 20, outdoor fan 30, assistant throttle component 40, main restricting element 50, refrigerant heat dissipation
Component 60, refrigerant heat-dissipating pipe 61, refrigerant radiating module 62, indoor heat exchanger 70 and control module 80.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The control method and refrigerant of the refrigerant radiator proposed according to embodiments of the present invention described with reference to the accompanying drawings
Radiator.
Fig. 1 is the flow chart of the control method of refrigerant radiator according to an embodiment of the present invention.
In an embodiment of the present invention, as shown in Fig. 2, refrigerant radiator may include compressor, outdoor heat exchanger, outdoor
Blower, assistant throttle component, refrigerant radiating subassembly, main restricting element and indoor heat exchanger, exhaust outlet and the outdoor of compressor are changed
One end of hot device is connected, and the other end of outdoor heat exchanger is connected by assistant throttle component with the entrance of refrigerant radiating subassembly, cold
The outlet of matchmaker's radiating subassembly is connected by main restricting element with indoor heat exchanger, and outdoor fan corresponds to outdoor heat exchanger setting.Its
In, assistant throttle component can be capillary or electric expansion valve, and main restricting element can be electric expansion valve.
As shown in Figure 1, the control method of the refrigerant radiator can comprise the following steps that
S1, obtains the present mode of operation of refrigerant radiator, and obtains the dew-point temperature around refrigerant radiating subassembly, with
And obtain the Current Temperatures of refrigerant radiating subassembly.
Specifically, the environment temperature and environmental wet around refrigerant radiating subassembly can be detected by outdoor temperature humidity sensor
Degree obtains the dew point temperature around refrigerant radiating subassembly by computation of table lookup then according to the environment temperature of detection and ambient humidity
Degree；Alternatively, the environment temperature around refrigerant radiating subassembly is detected by outdoor temperature sensor, then according to refrigerant radiator
The general environment humidity of region and the environment temperature of detection obtain the dew point around refrigerant radiating subassembly by computation of table lookup
Temperature.
For example, being by the maximum value that the acquisition long-term general environment humidity in refrigerant radiator region is tested in experiment
75%, then the ambient humidity of refrigerant radiator region (can be typically chosen slightly severe feelings for 80% with value
Condition), also, the environment temperature around the refrigerant radiating subassembly of detection be 10 DEG C when, by searching for table 1 can obtain refrigerant dissipate
Dew-point temperature around hot component is 6.7 DEG C.
Table 1
In an embodiment of the present invention, the Current Temperatures of refrigerant radiating subassembly can be the inlet temperature of refrigerant radiating subassembly
Or outlet temperature.
In practical applications, refrigerant radiating subassembly may include refrigerant heat-dissipating pipe and refrigerant radiating module, refrigerant radiating module
It is arranged on refrigerant heat-dissipating pipe, entrance of the one end of refrigerant heat-dissipating pipe as refrigerant radiating subassembly is connected with assistant throttle component,
Outlet of the other end of refrigerant heat-dissipating pipe as refrigerant radiating subassembly, is connected with main restricting element, wherein refrigerant radiating subassembly
Current Temperatures can be the tube temperature of refrigerant heat-dissipating pipe.Further, the tube temperature of refrigerant heat-dissipating pipe can be the two of refrigerant heat-dissipating pipe
The temperature at end, the i.e. Current Temperatures of refrigerant radiating subassembly can be the inlet temperature or outlet temperature of refrigerant radiating subassembly.
S2, according to around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly dew-point temperature and refrigerant dissipate
The Current Temperatures of hot component control outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at dew
It is more than point temperature.
Specifically, in the related technology, when being controlled using refrigerant radiating mode electric-controlled plate, from outdoor heat exchanger
Medium temperature high-pressure liquid refrigerant out, by electric expansion valve throttle decrease temperature and pressure after, into refrigerant radiator to electric-controlled plate into
Row cooling, in this way, the gas-liquid two-phase when the corresponding humidity of environment temperature is larger, after electric expansion valve throttles decrease temperature and pressure
Refrigerant causes the inlet and outlet temperatures of refrigerant radiator lower since temperature is lower, to easily lead to refrigerant radiator
Condensation damages component.
Therefore, in an embodiment of the present invention, a restricting element is respectively set at the two-port of refrigerant radiating subassembly,
It and is assistant throttle component (such as capillary or electric expansion valve) close to the restricting element of outdoor heat exchanger one end, close to room
The restricting element of interior heat exchanger one end is main restricting element (such as electric expansion valve).It is run in a chiller mode in refrigerant radiator
When, the refrigerant come out from outdoor heat exchanger first passes through assistant throttle component and carries out preliminary reducing pressure by regulating flow, and refrigerant temperature reduces at this time
And it is few, electric-controlled plate is cooled down subsequently into refrigerant radiating subassembly, using main restricting element carry out reducing pressure by regulating flow drop
Temperature.When due to refrigeration, assistant throttle component plays preliminary cooling effect, it is thus possible to guarantee the refrigerant for entering throttling radiating subassembly
Temperature is unlikely to too low and leads to condensation, while can reduce refrigerant in the noise of outer machine internal flow.
When refrigerant radiator is run with heating mode, the refrigerant come out from indoor heat exchanger first passes through main restricting element
Preliminary reducing pressure by regulating flow is carried out, it is that refrigerant temperature at this time reduces and few, electric-controlled plate is carried out subsequently into refrigerant radiating subassembly
It is cooling, then decompression cooling is carried out through assistant throttle component.When heating, due to the presence of assistant throttle component, so that refrigerant radiates
The loine pressure of component is in an intermediate pressure state, and is unlikely to too low, enables to the temperature of refrigerant radiating subassembly in this way
Degree is unlikely to too low and condenses and even freeze.
It further, can also be by reasonable control method to outdoor fan and main section on the basis of above structure
Fluid element is controlled, specifically can root to be further ensured that the temperature of refrigerant radiating subassembly maintains dew-point temperature or more always
According to dew-point temperature and refrigerant radiating subassembly around refrigerant radiating subassembly Current Temperatures to outdoor fan and main restricting element into
Row control, so that the temperature of refrigerant radiating subassembly is maintained at dew-point temperature or more, to effectively prevent because of refrigerant radiating subassembly
Temperature is too low to cause electric-controlled plate surface sweating to damage.
According to one embodiment of present invention, when the present mode of operation of refrigerant radiator is refrigeration mode, according to
The Current Temperatures of dew-point temperature and refrigerant radiating subassembly around refrigerant radiating subassembly carry out outdoor fan and main restricting element
Control, comprising: S21 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and continues the
One preset time；S22, if it is, the gear of outdoor fan is turned down into a gear, and after second preset time that is delayed,
Step S21 is repeated, until the gear of outdoor fan reaches preset lowest gear.Wherein, the first preset value, first are preset
Time and the second preset time can be demarcated according to the actual situation, for example, the first preset value can be between 3 DEG C -10 DEG C
Value.
Specifically, due under different mode, refrigerant moves towards different, thus corresponding control method is not under different mode
Together.As shown in Fig. 2, obtaining the dew point temperature around refrigerant radiating subassembly in real time when refrigerant radiator is run in a chiller mode
TOL is spent, and obtains the inlet temperature TL of refrigerant radiating subassembly, then, judges the difference between dew-point temperature TOL and inlet temperature TL
Whether value is more than or equal to the first preset value and continues the first preset time.If it is, illustrating the temperature ratio of refrigerant radiating subassembly
It is lower, it is easy to appear dew condensation phenomenon, can first pass through at this time and the wind speed of outdoor fan is adjusted, for example, by outdoor fan
Gear turns down a gear, to reduce the heat exchange amount of outdoor heat exchanger, and then improves the inlet temperature of refrigerant radiating subassembly.Delay
After second preset time, it is default to judge whether the difference between dew-point temperature TOL and inlet temperature TL is more than or equal to first again
Value and continue the first preset time.It is equal to if be still greater than, continues to turn down the gear of outdoor fan into a gear, and
It is delayed after the second preset time, judges again ..., repeat, until the gear of outdoor fan reaches preset lowest gear.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL illustrates less than the first preset value
After overregulating, the temperature of refrigerant radiating subassembly is increased, and stops turning down control, outdoor fan to outdoor fan progress gear at this time
Gear to be maintained at current gear constant, while according to normal control mode to main restricting element control can guarantee it is good
Under conditions of good heat dissipation, guarantee that refrigerant radiating subassembly is not in moisture condensation.
The control method of refrigerant radiator according to an embodiment of the present invention is run in a chiller mode in refrigerant radiator
When, when the temperature of refrigerant radiating subassembly is too low, control is turned down by carrying out gear to outdoor fan, to reduce heat exchange amount, into
And the inlet temperature of refrigerant radiating subassembly is improved, guarantee that the temperature of refrigerant radiating subassembly maintains dew-point temperature or more, to have
Effect prevents control panel moisture condensation damage.
Further, according to one embodiment of present invention, the gear of outdoor fan reach preset lowest gear it
Afterwards, further includes: S221 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and continues
Third preset time；S222, if it is, the aperture for controlling main restricting element turns the first default aperture down, and in delay the 4th
After preset time, step S221 is repeated, until the aperture of main restricting element reaches preset minimum aperture.Wherein, third
Preset time, the first default aperture, the 4th preset time and preset minimum aperture can be demarcated according to the actual situation, example
Such as, the first default aperture can be 12 steps.
That is, gear first is carried out to outdoor fan and turns control down when the temperature of refrigerant radiating subassembly is relatively low, with
The temperature for improving refrigerant radiating subassembly, but if the gear of outdoor fan has reached preset lowest gear, dew-point temperature T0L
Difference between inlet temperature TL is still greater than equal to the first preset value and continues third preset time, then can be to main throttling
The aperture of element carries out turning control down, for example, first the aperture of main restricting element can be turned down first default aperture (such as 12 steps), with
The inlet temperature of refrigerant radiating subassembly is improved, and after the 4th preset time that is delayed, judges dew-point temperature TOL and entrance temperature again
Whether the difference between degree TL is more than or equal to the first preset value and continues third preset time.It is equal to if be still greater than, continues
It turns the aperture of main restricting element down first default aperture (such as 12 steps), and after the 4th preset time that is delayed, sentences again
It is disconnected ..., it repeats, until the aperture of main restricting element reaches preset minimum aperture.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL illustrates less than the first preset value
After overregulating, the temperature of refrigerant radiating subassembly is increased, and stops carrying out aperture to main restricting element to turn control down at this time, goes forward side by side one
Step judges whether the difference between dew-point temperature TOL and inlet temperature TL is less than third preset value and continues the 9th preset time,
If it is, to be maintained at current aperture constant for main restricting element；Otherwise, restore the control to outdoor fan and main restricting element,
Outdoor fan and main restricting element are controlled according to normal control mode.Wherein, third preset value is default less than first
Value, third preset value and the 9th preset time can be demarcated according to the actual situation.
To make those skilled in the art better understand the present invention.Fig. 3 is refrigerant according to an embodiment of the invention
The flow chart of control method when radiator is run in a chiller mode.As shown in figure 3, the control method may include following step
It is rapid:
S101, refrigerant radiator are run in a chiller mode.
S102 obtains the inlet temperature TL of the dew-point temperature TOL and refrigerant radiating subassembly around refrigerant radiating subassembly.
S103, judges whether the difference between T0L and TL is more than or equal to the first preset value A1 and continues the first preset time
t1.If so, executing step S105；If not, executing step S104.
S104, it is constant that outdoor fan is maintained at current state, main restricting element normal control.
The gear of outdoor fan is turned down a gear by S105, and after second preset time t 2 that is delayed, return step
S103 continues to judge.
S106 is delayed after a period of time when the gear of outdoor fan reaches preset lowest gear, judges T0L and TL
Between difference whether be more than or equal to A1 and continue third preset time t 3.If so, executing step S107；If not, executing
Step S108.
S107 turns the aperture of main restricting element down first default aperture P1 (such as 12 steps), and when delay the 4th is default
Between after t4, return step S106 continues to judge, until the aperture of main restricting element reaches preset minimum aperture.
S108, be delayed a period of time after, judge the difference between T0L and TL whether be less than or equal to third preset value A2 and
Continue the 9th preset time t '.If so, executing step S109；If not, executing step S110.
S109 keeps current state operation.
S110 restores the normal control to outdoor fan and main restricting element.
The control method of refrigerant radiator according to an embodiment of the present invention, refrigerant radiator in a chiller mode when,
When the temperature of refrigerant radiating subassembly is too low, gear first can be carried out to outdoor fan and turn control down, if the gear of outdoor fan
Reaching preset lowest gear still can not make the temperature of refrigerant radiating subassembly be higher than dew-point temperature, then carries out to main restricting element
Aperture turns control down, to further increase the temperature of refrigerant radiating subassembly, guarantees that the temperature of refrigerant radiating subassembly maintains dew point
It more than temperature, prevents from leading to control panel moisture condensation damage because temperature is too low.
According to another embodiment of the invention, when the present mode of operation of refrigerant radiator is heating mode, root
According to dew-point temperature and refrigerant radiating subassembly around refrigerant radiating subassembly Current Temperatures to outdoor fan and main restricting element into
Row control, comprising: S23 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the second preset value and continues
5th preset time；S24 a, if it is, gear is turned up in the gear of outdoor fan, and in the 6th preset time that is delayed
Afterwards, step S23 is repeated, until the gear of outdoor fan reaches preset highest gear.Wherein, the second preset value, the 5th
Preset time, the 6th preset time and preset highest gear can be demarcated according to the actual situation, for example, the second preset value can
Think the value between 3 DEG C -10 DEG C.
Specifically, as shown in Fig. 2, obtaining refrigerant heat dissipation group in real time when refrigerant radiator is run with heating mode
Dew-point temperature TOL around part, and the inlet temperature TL of refrigerant radiating subassembly is obtained, then, judge dew-point temperature TOL and entrance
Whether the difference between temperature TL is more than or equal to the second preset value and continues the 5th preset time.If it is, illustrating that refrigerant dissipates
The temperature of hot component is relatively low, is easy to appear dew condensation phenomenon, can first pass through be adjusted to the wind speed of outdoor fan at this time, example
Such as, a gear is turned up in the gear of outdoor fan, to improve the temperature of refrigerant radiating subassembly.It is delayed after the 6th preset time,
Judge whether the difference between dew-point temperature TOL and inlet temperature TL is more than or equal to the second preset value and continues the 5th in advance again
If the time.It is equal to if be still greater than, continues that a gear for the gear of outdoor fan is turned up, and in the 6th preset time that is delayed
Afterwards, judge again ..., repeat, until the gear of outdoor fan reaches preset highest gear.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL illustrates less than the second preset value
After overregulating, the temperature of refrigerant radiating subassembly is increased, and stops carrying out outdoor fan gear height-regulating control, outdoor fan at this time
Gear to be maintained at current gear constant, while according to normal control mode to main restricting element control can guarantee it is good
Under conditions of good heat dissipation, guarantee that refrigerant radiating subassembly is not in moisture condensation.
The control method of refrigerant radiator according to an embodiment of the present invention is run in refrigerant radiating subassembly with heating mode
When, when the temperature of refrigerant radiating subassembly is too low, control is turned up by carrying out gear to outdoor fan, to improve refrigerant heat dissipation group
The inlet temperature of part guarantees that the temperature of refrigerant radiating subassembly maintains dew-point temperature or more, so that control panel be effectively prevent to condense
Damage.
Further, according to one embodiment of present invention, the gear of outdoor fan reach preset highest gear it
Afterwards, further includes: S241 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the second preset value and continues
7th preset time；S242, if it is, the aperture for controlling main restricting element tunes up the second default aperture, and in delay the 8th
After preset time, step S241 is repeated, until the aperture of main restricting element reaches preset maximum opening.Wherein, the 7th
Preset time, the second default aperture, the 8th preset time and preset maximum opening can be demarcated according to the actual situation, example
Such as, the second default aperture can be 24 steps.
That is, when the temperature of refrigerant radiating subassembly is relatively low gear first is carried out to outdoor fan, control is turned up, with
The temperature for improving refrigerant radiating subassembly, but if the gear of outdoor fan has reached preset highest gear, dew-point temperature T0L
Difference between inlet temperature TL is still greater than equal to the second preset value and continues the 7th preset time, then can be to main throttling
The aperture of element carries out tuning up control, for example, the aperture of main restricting element first can be tuned up into the second default aperture (such as 24 steps), with
The outlet temperature of refrigerant radiating subassembly is improved, and after the 8th preset time that is delayed, judges dew-point temperature TOL again and enters
Whether the difference between mouth temperature TL is more than or equal to the second preset value and continues the 7th preset time.It is equal to if be still greater than,
Continue to tune up the aperture of main restricting element into the second default aperture (such as 24 steps), and after the 8th preset time that is delayed, sentences again
It is disconnected ..., it repeats, until the aperture of main restricting element reaches preset maximum opening.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL illustrates less than the second preset value
After overregulating, the temperature of refrigerant radiating subassembly is increased, and stops carrying out aperture to main restricting element to tune up control at this time, goes forward side by side one
Step judges whether difference between dew-point temperature T0L and inlet temperature TL less than the 4th preset value and continues the tenth preset time,
If it is, to be maintained at current aperture constant for main restricting element；Otherwise, restore the control to outdoor fan and main restricting element,
Outdoor fan and main restricting element are controlled according to normal control mode.Wherein, the 4th preset value is default less than second
Value, the 4th preset value and the tenth preset time can be demarcated according to the actual situation.
To make those skilled in the art better understand the present invention.Fig. 4 is refrigerant according to an embodiment of the invention
The flow chart of control method when radiator is run with heating mode.As shown in figure 4, the control method may include following step
It is rapid:
S201, refrigerant radiator are run with heating mode.
S202 obtains the inlet temperature TL of the dew-point temperature TOL and refrigerant radiating subassembly around refrigerant radiating subassembly.
S203, judges whether the difference between T0L and TL is more than or equal to the second preset value B1 and continues the 5th preset time
t5.If so, executing step S205；If not, executing step S204.
S204, it is constant that outdoor fan is maintained at current state, main restricting element normal control.
A gear is turned up in the gear of outdoor fan by S205, and after the 6th preset time t 6 that is delayed, return step
S203 continues to judge.
S206 is delayed after a period of time when the gear of outdoor fan reaches preset highest gear, judges T0L and TL
Between difference whether be more than or equal to B1 and continue the 7th preset time t 7.If so, executing step S207；If not, executing
Step S208.
The aperture of main restricting element is tuned up the second default aperture P2 (such as 24 steps) by S207, and when delay the 8th is default
Between after t8, return step S206 continues to judge, until the aperture of main restricting element reaches preset maximum opening.
S208, be delayed a period of time after, judge the difference between T0L and TL whether be less than or equal to the 4th preset value B2 and
Continue the tenth preset time t ".If so, executing step S209；If not, executing step S210.
S209 keeps current state operation.
S210 restores the normal control to outdoor fan and main restricting element.
The control method of refrigerant radiator according to an embodiment of the present invention is run in refrigerant radiator with heating mode
When, when the temperature of refrigerant radiating subassembly is too low, gear first can be carried out to outdoor fan and tune up control, if the shelves of outdoor fan
The temperature that position reaches preset highest gear still and can not make refrigerant radiating subassembly is higher than dew-point temperature, then to main restricting element into
Row aperture tunes up control, to further increase the temperature of refrigerant radiating subassembly, guarantees that the temperature of refrigerant radiating subassembly maintains dew
It more than point temperature, prevents from leading to control panel moisture condensation damage because temperature is too low.
It should be noted that can also be according to the dew point around the outlet temperature and refrigerant radiating subassembly of refrigerant radiating subassembly
The present mode of operation of temperature and refrigerant radiator controls outdoor fan and main restricting element, wherein is judging
Whether when needing to carry out outdoor fan and main restricting element, the first preset value to the 4th preset value needs are modified slightly, specifically
Here it is not detailed.
In conclusion the control method of refrigerant radiator according to an embodiment of the present invention, firstly, obtaining refrigerant heat dissipation dress
The present mode of operation set, and the dew-point temperature around refrigerant radiating subassembly is obtained, while obtaining the current of refrigerant radiating subassembly
Temperature, then, according to the dew-point temperature and refrigerant heat dissipation around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly
The Current Temperatures of component control outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at dew point
It is more than temperature.To effectively prevent causing because the temperature of refrigerant radiating subassembly is too low electric-controlled plate surface sweating to damage.
Fig. 2 is the block diagram of refrigerant radiator according to an embodiment of the invention.As shown in Fig. 2, the refrigerant
Radiator can include: compressor 10, outdoor heat exchanger 20, outdoor fan 30, assistant throttle component 40, main restricting element 50,
Refrigerant radiating subassembly 60, indoor heat exchanger 70 and control module 80.
Wherein, the corresponding outdoor heat exchanger 20 of outdoor fan 30 is arranged.The exhaust outlet of compressor 10 and outdoor heat exchanger 20
One end is connected, and the other end of outdoor heat exchanger 20 is connected by assistant throttle component 40 with the entrance of refrigerant radiating subassembly 60, cold
The outlet of matchmaker's radiating subassembly 60 is connected by main restricting element 50 with indoor heat exchanger 20.Molding block 80 is for obtaining refrigerant heat dissipation
The present mode of operation of device, and the dew-point temperature around refrigerant radiating subassembly 60 is obtained, and obtain refrigerant radiating subassembly 60
Current Temperatures, and according to around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly 60 dew-point temperature and
The Current Temperatures of refrigerant radiating subassembly 60 control outdoor fan 30 and main restricting element 50, so that refrigerant radiating subassembly 60
Temperature be maintained at dew-point temperature or more.
According to one embodiment of present invention, when the present mode of operation of refrigerant radiator is refrigeration mode, wherein
Control module 80 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and continues first in advance
If the time；If so, the gear of outdoor fan 30 is then turned down a gear by control module 80, and in second preset time that is delayed
Afterwards, judge whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and continues first again to preset
Time repeats, until the gear of outdoor fan 30 reaches preset lowest gear.
Further, according to one embodiment of present invention, reach preset lowest gear in the gear of outdoor fan 30
Later, control module 80 also judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and holds
Continuous third preset time；If so, the aperture that control module 80 then controls main restricting element 50 turns the first default aperture down, and
It is delayed after the 4th preset time, it is default to judge whether the difference between dew-point temperature and Current Temperatures is more than or equal to first again
Value and lasting third preset time, repeat, until the aperture of main restricting element 50 reaches preset minimum aperture.
According to another embodiment of the invention, when the present mode of operation of refrigerant radiator is heating mode,
In, control module 80 judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the second preset value and continues
Five preset times；If so, then a gear is turned up in the gear of outdoor fan 30 by control module 80, and default in delay the 6th
After time, judge whether the difference between dew-point temperature and Current Temperatures is more than or equal to the second preset value and continues again
5th preset time, repeats, until the gear of outdoor fan 30 reaches preset highest gear.
Further, according to one embodiment of present invention, reach preset highest gear in the gear of outdoor fan 30
Later, control module 80 also judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the second preset value and holds
Continuous 7th preset time；If so, the aperture that control module 80 then controls main restricting element 50 tunes up the second default aperture, and
It is delayed after the 8th preset time, it is default to judge whether the difference between dew-point temperature and Current Temperatures is more than or equal to second again
Value and continue the 7th preset time, repeat, until the aperture of main restricting element 50 reaches preset maximum opening.
According to one embodiment of present invention, the Current Temperatures of refrigerant radiating subassembly 60 are the entrance of refrigerant radiating subassembly 60
Temperature or outlet temperature.
It should be noted that undisclosed details in the refrigerant radiator of the embodiment of the present invention, please refers to of the invention real
Details disclosed in the control method of the refrigerant radiator of example is applied, specific which is not described herein again.
Refrigerant radiator according to an embodiment of the present invention obtains the current operation of refrigerant radiator by control module
Mode, and the dew-point temperature around refrigerant radiating subassembly is obtained, and obtain the Current Temperatures of refrigerant radiating subassembly, then, root
According to around the present mode of operation of refrigerant radiator, refrigerant radiating subassembly dew-point temperature and refrigerant radiating subassembly it is current
Temperature controls outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at dew-point temperature or more.
To effectively prevent causing because the temperature of refrigerant radiating subassembly is too low electric-controlled plate surface sweating to damage.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of control method of refrigerant radiator, which is characterized in that the refrigerant radiator includes that compressor, outdoor are changed
Hot device, outdoor fan, assistant throttle component, refrigerant radiating subassembly, main restricting element and indoor heat exchanger, the row of the compressor
Port is connected with one end of the outdoor heat exchanger, and the other end of the outdoor heat exchanger passes through the assistant throttle component and institute
The entrance for stating refrigerant radiating subassembly is connected, and the outlet of the refrigerant radiating subassembly is changed by the main restricting element with the interior
Hot device is connected, and the outdoor fan corresponds to the outdoor heat exchanger setting, the described method comprises the following steps:
S1, obtains the present mode of operation of the refrigerant radiator, and obtains the dew point temperature around the refrigerant radiating subassembly
Degree, and obtain the Current Temperatures of the refrigerant radiating subassembly；
S2, according to around the present mode of operation of the refrigerant radiator, the refrigerant radiating subassembly dew-point temperature and institute
The Current Temperatures for stating refrigerant radiating subassembly control the outdoor fan, so that the temperature of the refrigerant radiating subassembly is kept
More than the dew-point temperature；
After the outdoor fan is adjusted, identify whether the temperature of the refrigerant radiating subassembly is maintained at the dew point temperature
Degree or more, if identifying that the temperature of the refrigerant radiating subassembly is not maintained in the dew-point temperature or more, to the main section
Fluid element is controlled, wherein when the present mode of operation of the refrigerant radiator is refrigeration mode, in the outdoor wind
The gear of machine reaches after preset lowest gear, further includes:
S221, judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to the first preset value and holds
Continuous third preset time；
S222, if it is, the aperture of the control main restricting element turns the first default aperture down, and when delay the 4th is default
Between after, step S221 is repeated, until the aperture of the main restricting element reaches preset minimum aperture.
2. the control method of refrigerant radiator as described in claim 1, which is characterized in that when the refrigerant radiator
Present mode of operation be refrigeration mode when, according to around the refrigerant radiating subassembly dew-point temperature and the refrigerant radiating subassembly
Current Temperatures the outdoor fan and the main restricting element are controlled, comprising:
S21, judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to the first preset value and continues
First preset time；
S22 is repeated if it is, the gear of the outdoor fan is turned down a gear, and after second preset time that is delayed
Step S21 is executed, until the gear of the outdoor fan reaches preset lowest gear.
3. the control method of refrigerant radiator as described in claim 1, which is characterized in that when the refrigerant radiator
Present mode of operation be heating mode when, according to around the refrigerant radiating subassembly dew-point temperature and the refrigerant radiating subassembly
Current Temperatures the outdoor fan and the main restricting element are controlled, comprising:
S23, judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to the second preset value and continues
5th preset time；
S24 is repeated if it is, a gear is turned up in the gear of the outdoor fan, and after the 6th preset time that is delayed
Step S23 is executed, until the gear of the outdoor fan reaches preset highest gear.
4. the control method of refrigerant radiator as claimed in claim 3, which is characterized in that in the gear of the outdoor fan
After reaching the preset highest gear, further includes:
S241, judge the difference between the dew-point temperature and the Current Temperatures whether be more than or equal to second preset value,
And continue the 7th preset time；
S242, if it is, the aperture of the control main restricting element tunes up the second default aperture, and when delay the 8th is default
Between after, step S241 is repeated, until the aperture of the main restricting element reaches preset maximum opening.
5. the control method of refrigerant radiator as described in claim 1, which is characterized in that the refrigerant radiating subassembly is worked as
Preceding temperature is the inlet temperature or outlet temperature of the refrigerant radiating subassembly.
6. a kind of refrigerant radiator characterized by comprising
Compressor；
Outdoor heat exchanger and outdoor fan, the outdoor fan correspond to the outdoor heat exchanger setting；
Assistant throttle component and main restricting element；
Refrigerant radiating subassembly；
Indoor heat exchanger, the exhaust outlet of the compressor are connected with one end of the outdoor heat exchanger, the outdoor heat exchanger
The other end is connected by the assistant throttle component with the entrance of the refrigerant radiating subassembly, the outlet of the refrigerant radiating subassembly
It is connected by the main restricting element with the indoor heat exchanger；
Control module, the control module are used to obtain the present mode of operation of the refrigerant radiator, and obtain described cold
Dew-point temperature around matchmaker's radiating subassembly, and the Current Temperatures of the refrigerant radiating subassembly are obtained, and dissipate according to the refrigerant
Dew-point temperature and the refrigerant radiating subassembly around the present mode of operation of thermal, the refrigerant radiating subassembly it is current
Temperature controls the outdoor fan, so that the temperature of the refrigerant radiating subassembly is maintained at the dew-point temperature or more；
The control module is also used to, and after the outdoor fan is adjusted, identifies the temperature of the refrigerant radiating subassembly
Whether the dew-point temperature or more is maintained at, if identifying that the temperature of the refrigerant radiating subassembly fails to be maintained at the dew point
More than temperature, then the main restricting element is controlled, wherein when the present mode of operation of the refrigerant radiator is system
When cold mode, after the gear of the outdoor fan reaches preset lowest gear, the control module also judges the dew
Whether the difference between point temperature and the Current Temperatures is more than or equal to the first preset value and continues third preset time；If
It is that the aperture that the control module then controls the main restricting element turns the first default aperture down, and when delay the 4th is default
Between after, judge again the difference between the dew-point temperature and the Current Temperatures whether be more than or equal to first preset value,
And continue the third preset time, it repeats, until the aperture of the main restricting element reaches preset minimum aperture.
7. refrigerant radiator as claimed in claim 6, which is characterized in that when the current operation mould of the refrigerant radiator
When formula is refrigeration mode, wherein
It is default that the control module judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to first
Value and continue the first preset time；
If so, the gear of the outdoor fan is then turned down a gear by the control module, and when delay second is preset
Between after, judge whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to the first preset value and holds again
Continuous first preset time, repeats, until the gear of the outdoor fan reaches preset lowest gear.
8. refrigerant radiator as claimed in claim 6, which is characterized in that when the current operation mould of the refrigerant radiator
When formula is heating mode, wherein
It is default that the control module judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to second
Value and continue the 5th preset time；
If so, then a gear is turned up in the gear of the outdoor fan by the control module, and when delay the 6th is default
Between after, judge again the difference between the dew-point temperature and the Current Temperatures whether be more than or equal to the second preset value,
And continue the 5th preset time, it repeats, until the gear of the outdoor fan reaches preset highest gear.
9. refrigerant radiator as claimed in claim 8, which is characterized in that reach described pre- in the gear of the outdoor fan
If highest gear after,
The control module also judges whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described
Two preset values and continue the 7th preset time；
If so, the aperture that the control module then controls the main restricting element tunes up the second default aperture, and in delay the
After eight preset times, judge whether the difference between the dew-point temperature and the Current Temperatures is more than or equal to described second again
Preset value and continue the 7th preset time, repeat, until the aperture of the main restricting element reaches preset maximum and opens
Degree.
10. refrigerant radiator as claimed in claim 6, which is characterized in that the Current Temperatures of the refrigerant radiating subassembly are
The inlet temperature or outlet temperature of the refrigerant radiating subassembly.
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| CN107166677B (en) * | 2017-06-21 | 2020-02-04 | 广东美的暖通设备有限公司 | Fresh air machine and control method and device thereof |
| CN107678458A (en) * | 2017-11-13 | 2018-02-09 | 北京镭创高科光电科技有限公司 | A kind of method, apparatus and system for controlling refrigerating plant condensation |
| CN108266876B (en) * | 2018-01-15 | 2020-10-23 | 广东美的暖通设备有限公司 | Electric control box, air conditioner and control method of air conditioner |
| CN111103911B (en) * | 2019-12-06 | 2021-11-05 | 珠海格力电器股份有限公司 | Heat dissipation device for mobile equipment and control method thereof |
| CN113758071B (en) * | 2021-08-31 | 2023-04-18 | 美的集团武汉暖通设备有限公司 | Anti-condensation control method for refrigerant heat dissipation module of water machine system |
| CN115751616A (en) * | 2022-11-18 | 2023-03-07 | 珠海格力电器股份有限公司 | Air conditioner, anti-condensation control method thereof, computer device and readable storage medium |
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| CN103512155A (en) * | 2013-09-30 | 2014-01-15 | 美的集团股份有限公司 | Air-conditioner control method and control system |
| JP2014062732A (en) * | 2013-12-04 | 2014-04-10 | Daikin Ind Ltd | Freezer unit |
| CN105240996A (en) * | 2015-09-24 | 2016-01-13 | 芜湖美智空调设备有限公司 | Method for controlling air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103512155A (en) * | 2013-09-30 | 2014-01-15 | 美的集团股份有限公司 | Air-conditioner control method and control system |
| JP2014062732A (en) * | 2013-12-04 | 2014-04-10 | Daikin Ind Ltd | Freezer unit |
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