CN106686945A - Radiating device with refrigerants and method for controlling radiating device - Google Patents
Radiating device with refrigerants and method for controlling radiating device Download PDFInfo
- Publication number
- CN106686945A CN106686945A CN201611254894.2A CN201611254894A CN106686945A CN 106686945 A CN106686945 A CN 106686945A CN 201611254894 A CN201611254894 A CN 201611254894A CN 106686945 A CN106686945 A CN 106686945A
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- China
- Prior art keywords
- refrigerant
- radiating subassembly
- dew
- gear
- outdoor fan
- Prior art date
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Classifications
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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
Abstract
The invention discloses a radiating device with refrigerants and a method for controlling the radiating device. The radiating device with the refrigerants comprises a compressor, an indoor heat exchanger, outdoor fans, an auxiliary throttling element, a radiating assembly with the refrigerants, a main throttling element and an indoor heat exchanger. The method includes steps of acquiring current operation modes of the radiating device with the refrigerants, acquiring ambient dew-point temperatures of the radiating assembly with the refrigerants and acquiring current temperatures of the radiating assembly with the refrigerants; controlling the outdoor fans and the main throttling element according to the current operation modes of the radiating device with the refrigerants, the ambient dew-point temperatures of the radiating assembly with the refrigerants and the current temperatures of the radiating assembly with the refrigerants so as to keep the temperatures of the radiating assembly with the refrigerants higher than the dew-point temperatures. The radiating device and the method have the advantage that dew formation damage on the surfaces of electric control boards due to excessively low temperatures of the radiating assembly with the refrigerants can be effectively prevented.
Description
Technical field
The present invention relates to Oil Temperature Controlling Technigue field, the more particularly to a kind of control method and one kind of refrigerant heat abstractor
Refrigerant heat abstractor.
Background technology
Generally, electric-controlled plate can operationally produce substantial amounts of heat, high particularly with the speed of service, or comprising high-power mould
For the electric-controlled plate of block, if radiating may cause electric-controlled plate to damage not in time, the safety in utilization and reliability of electric-controlled plate are influenceed
Property.
In correlation technique, have electric-controlled plate is radiated using fan, fin etc., also have using the refrigerant type of cooling pair
Electric-controlled plate is radiated.Wherein, when being radiated using the refrigerant type of cooling, although radiating effect is relatively good, but it is easy to
Appearance causes electric-controlled plate surface sweating because refrigerant temperature is too low, and then causes the problem of electric-controlled plate damage.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of control method of refrigerant heat abstractor, enabling to refrigerant
The temperature of radiating subassembly is remained at more than dew-point temperature, so as to effectively prevent from causing because the temperature of refrigerant radiating subassembly is too low
Electric-controlled plate surface sweating is damaged.
Another object of the present invention is to propose a kind of refrigerant heat abstractor.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of control method of refrigerant heat abstractor, institute
Stating refrigerant heat abstractor 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 with the entrance of the refrigerant radiating subassembly by the assistant throttle component, the refrigerant radiating subassembly goes out
Mouth is connected by the main restricting element with the indoor heat exchanger, and the outdoor fan correspondence outdoor heat exchanger is set,
The described method comprises the following steps：S1, obtains the present mode of operation of the refrigerant heat abstractor, and obtains the refrigerant radiating
Dew-point temperature around component, and obtain the Current Temperatures of the refrigerant radiating subassembly；S2, according to the refrigerant heat abstractor
Present mode of operation, the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly Current Temperatures to institute
State 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
It is more than degree.
The control method of refrigerant heat abstractor according to embodiments of the present invention, first, obtains the current of refrigerant heat abstractor
Operational mode, and the dew-point temperature around refrigerant radiating subassembly is obtained, while the Current Temperatures of refrigerant radiating subassembly are obtained, so
Afterwards, according to refrigerant heat abstractor dew-point temperature and refrigerant radiating subassembly around present mode of operation, refrigerant radiating subassembly
Current Temperatures are controlled to outdoor fan and main restricting element so that the temperature of refrigerant radiating subassembly be maintained at dew-point temperature with
On.So as to effectively prevent causing electric-controlled plate surface sweating to damage because the temperature of refrigerant radiating subassembly is too low.
According to one embodiment of present invention, when the present mode of operation of the refrigerant heat abstractor is refrigeration mode,
Current Temperatures according to the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly are to the outdoor fan
It is controlled with the main restricting element, including：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 the Preset Time of time delay second, repeat step S21, until the gear of the outdoor fan reach it is pre-
If lowest gear.
According to one embodiment of present invention, the gear in the outdoor fan reach the default lowest gear it
Afterwards, also include：S221, judges whether the difference between the dew-point temperature and the Current Temperatures is pre- more than or equal to described first
If value and continuing the 3rd Preset Time；S222, if it is, the aperture of the control main restricting element turns first down default opening
Degree, and after the Preset Time of time delay the 4th, repeats step S221, until the aperture of the main restricting element reach it is default
Minimum aperture.
According to another embodiment of the invention, when the present mode of operation of the refrigerant heat abstractor is heating mode
When, the Current Temperatures according to the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly are to the outdoor wind
Machine and the main restricting element are controlled, including：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, the gear of the outdoor fan is adjusted
A gear high, and after the Preset Time of time delay the 6th, step S23 is repeated, until the gear of the outdoor fan reaches
Default highest gear.
According to one embodiment of present invention, the gear in the outdoor fan reach the default highest gear it
Afterwards, also include：S241, judges whether the difference between the dew-point temperature and the Current Temperatures is pre- more than or equal to described second
If value and continuing the 7th Preset Time；S242, if it is, the aperture of the control main restricting element tunes up second default opening
Degree, and after the Preset Time of time delay the 8th, repeats step S241, until the aperture of the main restricting element reach it is default
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 heat abstractor, including：Compression
Machine；Outdoor heat exchanger and outdoor fan, the outdoor fan correspondence outdoor heat exchanger are set；Assistant throttle component and main section
Fluid element；Refrigerant radiating subassembly；Indoor heat exchanger, the exhaust outlet of the compressor is 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 heat abstractor, and the dew-point temperature around the refrigerant radiating subassembly is obtained,
And obtain the Current Temperatures of the refrigerant radiating subassembly, and it is present mode of operation according to the refrigerant heat abstractor, 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 more than the dew-point temperature.
Refrigerant heat abstractor according to embodiments of the present invention, the current operation of refrigerant heat abstractor is obtained by control module
Pattern, and the dew-point temperature around refrigerant radiating subassembly is obtained, and obtain the Current Temperatures of refrigerant radiating subassembly, then, root
According to the current of the dew-point temperature around the present mode of operation of refrigerant heat abstractor, refrigerant radiating subassembly and refrigerant radiating subassembly
Temperature is controlled to outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at more than dew-point temperature.
So as to effectively prevent causing electric-controlled plate surface sweating to damage because the temperature of refrigerant radiating subassembly is too low.
According to one embodiment of present invention, when the present mode of operation of the refrigerant heat abstractor is refrigeration mode,
Wherein, the control module judges whether the difference between the dew-point temperature and the Current Temperatures is preset more than or equal to first
Value and continue the first Preset Time；If it is, the gear of the outdoor fan is then turned down a gear by the control module,
And after the Preset Time of time delay second, judge whether the difference between the dew-point temperature and the Current Temperatures is more than again
In the first preset value and continue the first Preset Time, repeat, until the gear of the outdoor fan reach it is default minimum
Gear.
According to one embodiment of present invention, the gear in the outdoor fan reach the default 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 continue the 3rd Preset Time；If it is, the control module then controls the aperture of the main restricting element to turn down
One default aperture, and after the Preset Time of time delay the 4th, the difference between the dew-point temperature and the Current Temperatures is judged again
Whether value repeats more than or equal to first preset value and lasting 3rd Preset Time, until the main throttling unit
The aperture of part reaches default minimum aperture.
According to another embodiment of the invention, when the present mode of operation of the refrigerant heat abstractor 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 it is, the gear of the outdoor fan is then heightened a shelves by the control module
Position, and after the Preset Time of time delay the 6th, 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, repeat, until the gear of the outdoor fan reaches
To default highest gear.
According to one embodiment of present invention, the gear in the outdoor fan reach the default 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 it is, the control module then controls the aperture of the main restricting element to tune up
Two default apertures, and after the Preset Time of time delay the 8th, 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 default 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.
Brief description of the drawings
Fig. 1 is the flow chart of the control method of refrigerant heat abstractor according to embodiments of the present invention；
Fig. 2 is the structural representation of refrigerant heat abstractor according to an embodiment of the invention；
Fig. 3 is the stream of control method when refrigerant heat abstractor according to an embodiment of the invention runs in a chiller mode
Cheng Tu；And
Fig. 4 is the stream of control method when refrigerant heat abstractor according to an embodiment of the invention is run with heating mode
Cheng Tu.
Reference：
Compressor 10, outdoor heat exchanger 20, outdoor fan 30, assistant throttle component 40, the radiating of main restricting element 50, refrigerant
Component 60, refrigerant radiating tube 61, refrigerant radiating module 62, indoor heat exchanger 70 and control module 80.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The control method and refrigerant of the refrigerant heat abstractor of proposition according to embodiments of the present invention described with reference to the accompanying drawings
Heat abstractor.
Fig. 1 is the flow chart of the control method of refrigerant heat abstractor according to embodiments of the present invention.
In an embodiment of the present invention, as shown in Fig. 2 refrigerant heat abstractor may include compressor, outdoor heat exchanger, outdoor
Blower fan, 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 correspondence outdoor heat exchanger is set.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 heat abstractor may include following steps：
S1, obtains the present mode of operation of refrigerant heat abstractor, 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, then according to the environment temperature and ambient humidity of detection, the dew point temperature around refrigerant radiating subassembly is obtained by computation of table lookup
Degree；Or, the environment temperature around refrigerant radiating subassembly is detected by outdoor temperature sensor, then according to refrigerant heat abstractor
The general environment humidity of region and the environment temperature of detection, the dew point around refrigerant radiating subassembly is obtained by computation of table lookup
Temperature.
For example, being by the maximum that experiment test obtains the long-term general environment humidity in refrigerant heat abstractor region
75%, then the ambient humidity of refrigerant heat abstractor region (can be typically chosen somewhat severe feelings with value as 80%
Condition), also, when detection refrigerant radiating subassembly around environment temperature be 10 DEG C when, by look-up 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 actual applications, refrigerant radiating subassembly may include refrigerant radiating tube and refrigerant radiating module, refrigerant radiating module
It is arranged on refrigerant radiating tube, one end of refrigerant radiating tube is connected as the entrance of refrigerant radiating subassembly with assistant throttle component,
The other end of refrigerant radiating tube is connected as the outlet of refrigerant radiating subassembly with main restricting element, wherein, refrigerant radiating subassembly
Current Temperatures can be the Guan Wen of refrigerant radiating tube.Further, the Guan Wenke of refrigerant radiating tube thinks the two of refrigerant radiating tube
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, dew-point temperature around present mode of operation, refrigerant radiating subassembly and refrigerant according to refrigerant heat abstractor dissipate
The Current Temperatures of hot component are controlled to 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 correlation technique, when being controlled to electric-controlled plate using refrigerant radiating mode, from outdoor heat exchanger
Middle temperature high-pressure liquid refrigerant out, after electric expansion valve throttles decrease temperature and pressure, enters into refrigerant radiator to electric-controlled plate
Row cooling, so, when the corresponding humidity of environment temperature is larger, the gas-liquid two-phase after electric expansion valve throttling decrease temperature and pressure
Refrigerant, because temperature is relatively low, causes the entrance and exit temperature of refrigerant radiator relatively low, so as to easily lead to refrigerant radiator
Condensation, damages component.
Therefore, in an embodiment of the present invention, a restricting element is respectively provided with the two-port of refrigerant radiating subassembly,
And the restricting element near outdoor heat exchanger one end is assistant throttle component (such as capillary or electric expansion valve), near room
The restricting element of interior heat exchanger one end is main restricting element (such as electric expansion valve).Run in a chiller mode in refrigerant heat abstractor
When, first passing through assistant throttle component from outdoor heat exchanger refrigerant out carries out preliminary reducing pressure by regulating flow, now refrigerant temperature reduction
And it is few, electric-controlled plate is cooled down subsequently into refrigerant radiating subassembly, then reducing pressure by regulating flow drop is carried out by main restricting element
Temperature.During due to refrigeration, assistant throttle component plays preliminary cooling effect, it is thus possible to ensure to enter the refrigerant of throttling radiating subassembly
Temperature is unlikely to too low and causes condensation, while noise of the refrigerant in outer machine internal flow can be reduced.
When refrigerant heat abstractor is run with heating mode, main restricting element is first passed through from indoor heat exchanger refrigerant out
Preliminary reducing pressure by regulating flow is carried out, it is the reduction of refrigerant temperature now and few, electric-controlled plate is carried out subsequently into refrigerant radiating subassembly
Cooling, then carry out step-down cooling 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, so enables to the temperature of refrigerant radiating subassembly
Degree is unlikely to too low and condenses and even freeze.
Further, on the basis of said structure, can also be by rational control method to outdoor fan and main section
Fluid element is controlled, and is maintained more than dew-point temperature all the time with the temperature for being further ensured that refrigerant radiating subassembly, specifically can root
Current Temperatures according to the dew-point temperature around refrigerant radiating subassembly and refrigerant radiating subassembly enter to outdoor fan and main restricting element
Row control, so that the temperature of refrigerant radiating subassembly is maintained at more than dew-point temperature, so as 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 heat abstractor is refrigeration mode, according to
The Current Temperatures of dew-point temperature and refrigerant radiating subassembly around refrigerant radiating subassembly are carried out to outdoor fan and main restricting element
Control, including：S21, judges whether the difference between dew-point temperature and Current Temperatures 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 the Preset Time of time delay second,
Step S21 is repeated, until the gear of outdoor fan reaches default lowest gear.Wherein, the first preset value, first are preset
Time and the second Preset Time can be demarcated according to actual conditions, 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 when refrigerant heat abstractor runs in a chiller mode, the dew point temperature around refrigerant radiating subassembly is obtained in real time
Degree TOL, and the inlet temperature TL of refrigerant radiating subassembly is obtained, then, judge 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, the temperature ratio of explanation refrigerant radiating subassembly
It is relatively low, easily there is dew condensation phenomenon, can now first pass through 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.Time delay
After second Preset Time, judge whether the difference between dew-point temperature TOL and inlet temperature TL is preset more than or equal to first again
Value and continue the first Preset Time.If still greater than being equal to, continue for the gear of outdoor fan to turn down a gear, and
After the Preset Time of time delay second, judge again ..., repeat, until the gear of outdoor fan reaches default lowest gear.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL is less than the first preset value, illustrate
After overregulating, the temperature of refrigerant radiating subassembly is raised, and now stops carrying out gear to outdoor fan to turn down control, outdoor fan
Gear to be maintained at current gear constant, while ensureing good by being controlled to main restricting element according to normal control mode
Under conditions of good radiating, it is ensured that refrigerant radiating subassembly is not in condensation.
The control method of refrigerant heat abstractor according to embodiments of the present invention, runs in a chiller mode in refrigerant heat abstractor
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, enter
And improving the inlet temperature of refrigerant radiating subassembly, it is ensured that the temperature of refrigerant radiating subassembly is maintained more than dew-point temperature, so as to have
Effect prevents control panel condensation from damaging.
Further, according to one embodiment of present invention, the gear in outdoor fan reach default lowest gear it
Afterwards, also include：S221, judges whether the difference between dew-point temperature and Current Temperatures is more than or equal to the first preset value and continues
3rd Preset Time；S222, if it is, control the aperture of main restricting element to turn the first default aperture down, and in time delay the 4th
After Preset Time, step S221 is repeated, until the aperture of main restricting element reaches default minimum aperture.Wherein, the 3rd
Preset Time, the first default aperture, the 4th Preset Time and default minimum aperture can be demarcated according to actual conditions, example
Such as, the first default aperture can be 12 steps.
That is, when refrigerant radiating subassembly temperature than it is relatively low when, gear first is carried out to outdoor fan and turns control down, with
The temperature of refrigerant radiating subassembly is improved, but if the gear of outdoor fan has reached default lowest gear, dew-point temperature T0L
With the difference between inlet temperature TL still greater than equal to the first preset value and the 3rd Preset Time is continued, 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 Preset Time of time delay the 4th, dew-point temperature TOL and entrance temperature is judged again
Whether the difference between degree TL is more than or equal to the first preset value and continues the 3rd Preset Time.If still greater than being equal to, continued
Turn the aperture of main restricting element down first default aperture (such as 12 steps), and after the Preset Time of time delay the 4th, sentence again
It is disconnected ..., repeat, until the aperture of main restricting element reaches default minimum aperture.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL is less than the first preset value, illustrate
After overregulating, the temperature of refrigerant radiating subassembly is raised, and now stops carrying out aperture to main restricting element to turn control down, goes forward side by side one
Step judges whether the difference between dew-point temperature TOL and inlet temperature TL is less than the 3rd preset value and continues the 9th Preset Time,
If it is, main restricting element to be maintained at current aperture constant；Otherwise, the control to outdoor fan and main restricting element is recovered,
Outdoor fan and main restricting element are controlled according to normal control mode.Wherein, the 3rd preset value is preset less than first
Value, the 3rd preset value and the 9th Preset Time can be demarcated according to actual conditions.
To make those skilled in the art be better understood upon the present invention.Fig. 3 is refrigerant according to an embodiment of the invention
The flow chart of control method when heat abstractor runs in a chiller mode.As shown in figure 3, the control method may include following step
Suddenly：
S101, refrigerant heat abstractor runs 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 it is, performing step S105；If not, performing step S104.
S104, outdoor fan is maintained at that current state is constant, and main restricting element is normally controlled.
S105, a gear is turned down by the gear of outdoor fan, and after the second preset time t of time delay 2, return to step
S103, continues to judge.
S106, when the gear of outdoor fan reaches default lowest gear, after time delay for a period of time, judges T0L and TL
Between difference whether more than or equal to A1 and continuing the 3rd preset time t 3.If it is, performing step S107；If not, performing
Step S108.
S107, turns the aperture of main restricting element down first default aperture P1 (such as 12 steps), and when time delay the 4th is default
Between after t4, return to step S106 continues to judge, until the aperture of main restricting element reaches default minimum aperture.
S108, after time delay for a period of time, judge difference between T0L and TL whether less than or equal to the 3rd preset value A2 and
Continue the 9th preset time t ＇.If it is, performing step S109；If not, performing step S110.
S109, keeps current state operation.
S110, recovers the normal control to outdoor fan and main restricting element.
The control method of refrigerant heat abstractor according to embodiments of the present invention, refrigerant heat abstractor 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 default lowest gear cannot still cause that the temperature of refrigerant radiating subassembly higher than dew-point temperature, is then carried out to main restricting element
Aperture turns control down, further to improve the temperature of refrigerant radiating subassembly, it is ensured that the temperature of refrigerant radiating subassembly maintains dew point
More than temperature, prevent from causing control panel condensation to be damaged because temperature is too low.
According to another embodiment of the invention, when the present mode of operation of refrigerant heat abstractor is heating mode, root
Current Temperatures according to the dew-point temperature around refrigerant radiating subassembly and refrigerant radiating subassembly enter to outdoor fan and main restricting element
Row control, including：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, if it is, the gear of outdoor fan is heightened into a gear, and in the Preset Time of time delay the 6th
Afterwards, step S23 is repeated, until the gear of outdoor fan reaches default highest gear.Wherein, the second preset value, the 5th
Preset Time, the 6th Preset Time and default highest gear can be demarcated according to actual conditions, for example, the second preset value can
Think the value between 3 DEG C -10 DEG C.
Specifically, as shown in Fig. 2 when refrigerant heat abstractor is run with heating mode, refrigerant radiating group is obtained in real time
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, explanation refrigerant dissipates
Easily there is dew condensation phenomenon than relatively low in the temperature of hot component, can now first pass through and the wind speed of outdoor fan is adjusted, example
Such as, the gear of outdoor fan is heightened into a gear, to improve the temperature of refrigerant radiating subassembly.After the Preset Time of time delay the 6th,
Judge the difference between dew-point temperature TOL and inlet temperature TL whether more than or equal to the second preset value and to continue the 5th pre- again
If the time.If still greater than being equal to, continue for the gear of outdoor fan to heighten a gear, and in the Preset Time of time delay the 6th
Afterwards, judge again ..., repeat, until the gear of outdoor fan reaches default highest gear.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL is less than the second preset value, illustrate
After overregulating, the temperature of refrigerant radiating subassembly is raised, and now stops carrying out gear to outdoor fan to heighten control, outdoor fan
Gear to be maintained at current gear constant, while ensureing good by being controlled to main restricting element according to normal control mode
Under conditions of good radiating, it is ensured that refrigerant radiating subassembly is not in condensation.
The control method of refrigerant heat abstractor according to embodiments 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 heightened by carrying out gear to outdoor fan, to improve refrigerant radiating group
The inlet temperature of part, it is ensured that the temperature of refrigerant radiating subassembly is maintained more than dew-point temperature, so as to effectively prevent control panel from condensing
Damage.
Further, according to one embodiment of present invention, the gear in outdoor fan reach default highest gear it
Afterwards, also include：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, control the aperture of main restricting element to tune up the second default aperture, and in time delay the 8th
After Preset Time, step S241 is repeated, until the aperture of main restricting element reaches default maximum opening.Wherein, the 7th
Preset Time, the second default aperture, the 8th Preset Time and default maximum opening can be demarcated according to actual conditions, example
Such as, the second default aperture can be 24 steps.
That is, when refrigerant radiating subassembly temperature than it is relatively low when, gear first is carried out to outdoor fan and heightens control, with
The temperature of refrigerant radiating subassembly is improved, but if the gear of outdoor fan has reached default highest gear, dew-point temperature T0L
With the difference between inlet temperature TL still greater than equal to the second preset value and the 7th Preset Time is continued, 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 Preset Time of time delay the 8th, dew-point temperature TOL is judged again and is entered
Whether the difference between mouth temperature TL is more than or equal to the second preset value and continues the 7th Preset Time.If still greater than being equal to,
Continue for the aperture of main restricting element to tune up the second default aperture (such as 24 steps), and after the Preset Time of time delay the 8th, sentence again
It is disconnected ..., repeat, until the aperture of main restricting element reaches default maximum opening.
In the process, if the difference between dew-point temperature TOL and inlet temperature TL is less than the second preset value, illustrate
After overregulating, the temperature of refrigerant radiating subassembly is raised, and now stops carrying out aperture to main restricting element to tune up control, goes forward side by side one
Step judges whether the difference between dew-point temperature T0L and inlet temperature TL is less than the 4th preset value and continues the tenth Preset Time,
If it is, main restricting element to be maintained at current aperture constant；Otherwise, the control to outdoor fan and main restricting element is recovered,
Outdoor fan and main restricting element are controlled according to normal control mode.Wherein, the 4th preset value is preset less than second
Value, the 4th preset value and the tenth Preset Time can be demarcated according to actual conditions.
To make those skilled in the art be better understood upon the present invention.Fig. 4 is refrigerant according to an embodiment of the invention
The flow chart of control method when heat abstractor is run with heating mode.As shown in figure 4, the control method may include following step
Suddenly：
S201, refrigerant heat abstractor is 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 it is, performing step S205；If not, performing step S204.
S204, outdoor fan is maintained at that current state is constant, and main restricting element is normally controlled.
S205, a gear is heightened by the gear of outdoor fan, and after the preset time t 6 of time delay the 6th, return to step
S203, continues to judge.
S206, when the gear of outdoor fan reaches default highest gear, after time delay for a period of time, judges T0L and TL
Between difference whether more than or equal to B1 and continuing the 7th preset time t 7.If it is, performing step S207；If not, performing
Step S208.
S207, the second default aperture P2 (such as 24 steps) is tuned up by the aperture of main restricting element, and when time delay the 8th is default
Between after t8, return to step S206 continues to judge, until the aperture of main restricting element reaches default maximum opening.
S208, after time delay for a period of time, judge difference between T0L and TL whether less than or equal to the 4th preset value B2 and
Continue the tenth preset time t ".If it is, performing step S209；If not, performing step S210.
S209, keeps current state operation.
S210, recovers the normal control to outdoor fan and main restricting element.
The control method of refrigerant heat abstractor according to embodiments of the present invention, is run in refrigerant heat abstractor 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
Position reaches default highest gear cannot still cause that the temperature of refrigerant radiating subassembly higher than dew-point temperature, is then entered to main restricting element
Row aperture tunes up control, further to improve the temperature of refrigerant radiating subassembly, it is ensured that the temperature of refrigerant radiating subassembly maintains dew
More than point temperature, prevent from causing control panel condensation to be damaged because temperature is too low.
It should be noted that can also be according to the dew point around the outlet temperature of refrigerant radiating subassembly and refrigerant radiating subassembly
The present mode of operation of temperature and refrigerant heat abstractor is controlled to outdoor fan and main restricting element, wherein, judging
Whether when needing to carry out outdoor fan and main restricting element, the first preset value to the 4th preset value needs to be modified slightly, specifically
Here it is not detailed.
In sum, the control method of refrigerant heat abstractor according to embodiments of the present invention, first, obtains refrigerant radiating dress
The present mode of operation put, and the dew-point temperature around refrigerant radiating subassembly is obtained, while obtaining the current of refrigerant radiating subassembly
Temperature, then, dew-point temperature around present mode of operation, refrigerant radiating subassembly and the refrigerant radiating according to refrigerant heat abstractor
The Current Temperatures of component are controlled to outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at dew point
It is more than temperature.So as to effectively prevent causing electric-controlled plate surface sweating to damage because the temperature of refrigerant radiating subassembly is too low.
Fig. 2 is the block diagram of refrigerant heat abstractor according to an embodiment of the invention.As shown in Fig. 2 the refrigerant
Heat abstractor may 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 correspondence of outdoor fan 30 outdoor heat exchanger 20 is set.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 used to obtain refrigerant radiating
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 present mode of operation according to refrigerant heat abstractor, the dew-point temperature around refrigerant radiating subassembly 60 and
The Current Temperatures of refrigerant radiating subassembly 60 are controlled to outdoor fan 30 and main restricting element 50, so that refrigerant radiating subassembly 60
Temperature be maintained at more than dew-point temperature.
According to one embodiment of present invention, when the present mode of operation of refrigerant heat abstractor is refrigeration mode, wherein,
Whether control module 80 judges difference between dew-point temperature and Current Temperatures more than or equal to the first preset value and to continue first pre-
If the time；If it is, the gear of outdoor fan 30 is then turned down a gear by control module 80, and in the Preset Time of time delay second
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, repeat, until the gear of outdoor fan 30 reaches default lowest gear.
Further, according to one embodiment of present invention, the gear in outdoor fan 30 reaches default lowest gear
Afterwards, 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 3rd Preset Time；If it is, control module 80 then controls the aperture of main restricting element 50 to turn the first default aperture down, and
After the Preset Time of time delay the 4th, judge whether the difference between dew-point temperature and Current Temperatures is preset more than or equal to first again
Value and continue the 3rd Preset Time, repeat, until the aperture of main restricting element 50 reaches default minimum aperture.
According to another embodiment of the invention, when the present mode of operation of refrigerant heat abstractor is heating mode, its
In, control module 80 judges whether difference between dew-point temperature and Current Temperatures more than or equal to the second preset value and continues the
Five Preset Times；If it is, the gear of outdoor fan 30 is then heightened a gear by control module 80, and it is default in time 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 default highest gear.
Further, according to one embodiment of present invention, the gear in outdoor fan 30 reaches default highest gear
Afterwards, 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 it is, control module 80 then controls the aperture of main restricting element 50 to tune up the second default aperture, and
After the Preset Time of time delay the 8th, judge whether the difference between dew-point temperature and Current Temperatures is preset more than or equal to second again
Value and continue the 7th Preset Time, repeat, until the aperture of main restricting element 50 reaches default 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 the details not disclosed in the refrigerant heat abstractor of the embodiment of the present invention, refer to of the invention real
Details disclosed in the control method of the refrigerant heat abstractor for applying example, specifically repeats no more here.
Refrigerant heat abstractor according to embodiments of the present invention, the current operation of refrigerant heat abstractor is obtained by control module
Pattern, and the dew-point temperature around refrigerant radiating subassembly is obtained, and obtain the Current Temperatures of refrigerant radiating subassembly, then, root
According to the current of the dew-point temperature around the present mode of operation of refrigerant heat abstractor, refrigerant radiating subassembly and refrigerant radiating subassembly
Temperature is controlled to outdoor fan and main restricting element, so that the temperature of refrigerant radiating subassembly is maintained at more than dew-point temperature.
So as to effectively prevent causing electric-controlled plate surface sweating to damage because the temperature of refrigerant radiating subassembly is too low.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level 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 to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (12)
1. a kind of control method of refrigerant heat abstractor, it is characterised in that the refrigerant heat abstractor 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
Gas port is connected with one end of the outdoor heat exchanger, and the other end of the outdoor heat exchanger is by 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 and the interior
Hot device is connected, and the outdoor fan correspondence outdoor heat exchanger is set, and the described method comprises the following steps：
S1, obtains the present mode of operation of the refrigerant heat abstractor, and obtains the dew point temperature around the refrigerant radiating subassembly
Degree, and obtain the Current Temperatures of the refrigerant radiating subassembly；
S2, dew-point temperature around present mode of operation, the refrigerant radiating subassembly and institute according to the refrigerant heat abstractor
The Current Temperatures for stating refrigerant radiating subassembly are controlled to the outdoor fan and the main restricting element, so that the refrigerant dissipates
The temperature of hot component is maintained at more than the dew-point temperature.
2. the control method of refrigerant heat abstractor as claimed in claim 1, it is characterised in that when the refrigerant heat abstractor
When present mode of operation is refrigeration mode, according to the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly
Current Temperatures the outdoor fan and the main restricting element are controlled, including：
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, if it is, the gear of the outdoor fan is turned down into a gear, and after the Preset Time of time delay second, repeats
Step S21 is performed, until the gear of the outdoor fan reaches default lowest gear.
3. the control method of refrigerant heat abstractor as claimed in claim 2, it is characterised in that in the gear of the outdoor fan
Reach after the default lowest gear, also include：
S221, judge difference between the dew-point temperature and the Current Temperatures whether more than or equal to first preset value,
And continue the 3rd Preset Time；
S222, if it is, the aperture of the control main restricting element turns the first default aperture down, and when time delay the 4th is default
Between after, step S221 is repeated, until the aperture of the main restricting element reaches default minimum aperture.
4. the control method of refrigerant heat abstractor as claimed in claim 1, it is characterised in that when the refrigerant heat abstractor
When present mode of operation is heating mode, according to the dew-point temperature around the refrigerant radiating subassembly and the refrigerant radiating subassembly
Current Temperatures the outdoor fan and the main restricting element are controlled, including：
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, if it is, the gear of the outdoor fan is heightened into a gear, and after the Preset Time of time delay the 6th, repeats
Step S23 is performed, until the gear of the outdoor fan reaches default highest gear.
5. the control method of refrigerant heat abstractor as claimed in claim 4, it is characterised in that in the gear of the outdoor fan
Reach after the default highest gear, also include：
S241, judge difference between the dew-point temperature and the Current Temperatures whether 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 time delay the 8th is default
Between after, step S241 is repeated, until the aperture of the main restricting element reaches default maximum opening.
6. the control method of refrigerant heat abstractor as claimed in claim 1, it is characterised in that the refrigerant radiating subassembly is worked as
Preceding temperature is the inlet temperature or outlet temperature of the refrigerant radiating subassembly.
7. a kind of refrigerant heat abstractor, it is characterised in that including：
Compressor；
Outdoor heat exchanger and outdoor fan, the outdoor fan correspondence outdoor heat exchanger are set；
Assistant throttle component and main restricting element；
Refrigerant radiating subassembly；
Indoor heat exchanger, the exhaust outlet of the compressor is 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 with the indoor heat exchanger by the main restricting element；
Control module, the control module is used to obtain the present mode of operation of the refrigerant heat abstractor, and obtains described cold
Dew-point temperature around matchmaker's radiating subassembly, and the Current Temperatures of the refrigerant radiating subassembly are obtained, and dissipated 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 is controlled to the outdoor fan and the main restricting element, so that the temperature of the refrigerant radiating subassembly is maintained at institute
State more than dew-point temperature.
8. refrigerant heat abstractor as claimed in claim 7, it is characterised in that when the current operation mould of the refrigerant heat abstractor
When formula is refrigeration mode, wherein,
The control module judges whether the difference between the dew-point temperature and the Current Temperatures is preset more than or equal to first
Value and continue the first Preset Time；
If it is, the gear of the outdoor fan is then turned down a gear by the control module, and when time delay second is preset
Between after, judge the difference between the dew-point temperature and the Current Temperatures whether more than or equal to the first preset value and holding again
Continuous first Preset Time, repeats, until the gear of the outdoor fan reaches default lowest gear.
9. refrigerant heat abstractor as claimed in claim 8, it is characterised in that reached in the gear of the outdoor fan described pre-
If lowest gear after,
Whether the control module also judges difference between the dew-point temperature and the Current Temperatures more than or equal to described the
One preset value and continue the 3rd Preset Time；
If it is, the control module then controls the aperture of the main restricting element to turn the first default aperture down, and in time delay the
After four Preset Times, judge the difference between the dew-point temperature and the Current Temperatures whether more than or equal to described first again
Preset value and lasting 3rd Preset Time, repeat, until the aperture of the main restricting element reaches default minimum
Aperture.
10. refrigerant heat abstractor as claimed in claim 7, it is characterised in that when the current operation of the refrigerant heat abstractor
When pattern is heating mode, wherein,
The control module judges whether the difference between the dew-point temperature and the Current Temperatures is preset more than or equal to second
Value and continue the 5th Preset Time；
If it is, the gear of the outdoor fan is then heightened a gear by the control module, and when time delay the 6th is default
Between after, judge again difference between the dew-point temperature and the Current Temperatures whether more than or equal to the second preset value,
And continue the 5th Preset Time, repeat, until the gear of the outdoor fan reaches default highest gear.
11. refrigerant heat abstractors as claimed in claim 10, it is characterised in that reached in the gear of the outdoor fan described
After default highest gear,
Whether the control module also judges difference between the dew-point temperature and the Current Temperatures more than or equal to described the
Two preset values and continue the 7th Preset Time；
If it is, the control module then controls the aperture of the main restricting element to tune up the second default aperture, and in time delay the
After eight Preset Times, judge the difference between the dew-point temperature and the Current Temperatures whether 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 default maximum opening
Degree.
12. refrigerant heat abstractors as claimed in claim 7, it is characterised 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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| CN201611254894.2A CN106686945B (en) | 2016-12-30 | 2016-12-30 | Refrigerant radiator and its control method |
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| CN107166677A (en) * | 2017-06-21 | 2017-09-15 | 广东美的暖通设备有限公司 | New blower fan and its control method and device |
| 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 |
| CN108266876A (en) * | 2018-01-15 | 2018-07-10 | 广东美的暖通设备有限公司 | The control method of electric-controlled box, air conditioner and air conditioner |
| CN111103911A (en) * | 2019-12-06 | 2020-05-05 | 珠海格力电器股份有限公司 | Heat dissipation device for mobile equipment and control method thereof |
| CN113758071A (en) * | 2021-08-31 | 2021-12-07 | 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 |
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| CN107166677A (en) * | 2017-06-21 | 2017-09-15 | 广东美的暖通设备有限公司 | New blower fan and its control method and device |
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| CN108266876A (en) * | 2018-01-15 | 2018-07-10 | 广东美的暖通设备有限公司 | The control method of electric-controlled box, air conditioner and air conditioner |
| CN111103911A (en) * | 2019-12-06 | 2020-05-05 | 珠海格力电器股份有限公司 | Heat dissipation device for mobile equipment and control method thereof |
| 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 |
| CN113758071A (en) * | 2021-08-31 | 2021-12-07 | 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 |
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| CN106686945B (en) | 2019-12-03 |
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