CN105115117B - Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device - Google Patents
Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device Download PDFInfo
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- CN105115117B CN105115117B CN201510519254.9A CN201510519254A CN105115117B CN 105115117 B CN105115117 B CN 105115117B CN 201510519254 A CN201510519254 A CN 201510519254A CN 105115117 B CN105115117 B CN 105115117B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of cryogenic refrigeration control method of air-conditioner set, comprise the following steps：On the air-conditioner set after electricity, outdoor environment temperature is detected in real time；When the outdoor environment temperature is less than the first preset temperature, the air-conditioner set is controlled to enter low temperature refrigerant circular flow pattern, wherein, after the air-conditioner set enters the low temperature refrigerant circular flow pattern, open and close to control compressor cycle, indoor set is taken back will migrate into the refrigerant of outdoor unit.The cryogenic refrigeration control method increases too many part without air-conditioner set, and the refrigerant that can just will migrate into outdoor unit in time at low ambient temperatures takes back indoor set, ensures reliably to start during air-conditioner set cryogenic refrigeration.The invention also discloses a kind of low-temperature refrigeration control device of air-conditioner set and a kind of air-conditioner set with the low-temperature control device.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of cryogenic refrigeration control method of air-conditioner set, Yi Zhongkong
Adjust the low-temperature refrigeration control device of unit and a kind of air-conditioner set with the low-temperature refrigeration control device.
Background technology
Two key technologies when low temperature refrigeration of air conditioner controls are cold-starting control technology and cold operation control technology.
And in correlation technique, using the air-conditioner set of cryogenic refrigeration start-up technique, typically in throttling arrangement such as heating power
Install fluid reservoir, magnetic valve and check valve before expansion valve additional, it is specific as shown in Figure 1 to prevent refrigerant migration to outdoor unit.Due to wanting
Increase the parts such as fluid reservoir, magnetic valve and check valve, so as to unit volume be caused to increase, cost increase, while whole system
In to be also filled with substantial amounts of refrigerant, once leak, it will cause maintenance cost to greatly increase.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
First purpose is the cryogenic refrigeration control method for proposing a kind of air-conditioner set, increases too many part without air-conditioner set, just
The refrigerant that outdoor unit can be will migrate into time at low ambient temperatures takes back indoor set, ensures reliably to open during air-conditioner set cryogenic refrigeration
It is dynamic.
Second object of the present invention is to propose a kind of low-temperature refrigeration control device of air-conditioner set.The 3rd of the present invention
Individual purpose is to propose a kind of air-conditioner set.
To reach above-mentioned purpose, a kind of cryogenic refrigeration controlling party for air-conditioner set that one aspect of the present invention embodiment proposes
Method, comprise the following steps：On the air-conditioner set after electricity, outdoor environment temperature is detected in real time；When the outdoor environment temperature
During less than the first preset temperature, the air-conditioner set is controlled to enter low temperature refrigerant circular flow pattern, wherein, in the air conditioner
After group enters the low temperature refrigerant circular flow pattern, open and close to control compressor cycle, will migrate into outdoor
The refrigerant of machine takes back indoor set.
The cryogenic refrigeration control method of air-conditioner set according to embodiments of the present invention, on air-conditioner set after electricity, passes through reality
When detect outdoor environment temperature to judge whether to control air-conditioner set to enter low temperature refrigerant circular flow pattern, and in air-conditioner set
Into after low temperature refrigerant circular flow pattern, open and close to control compressor cycle, will migrate into outdoor unit in time
Refrigerant take back indoor set, ensure reliably to start during air-conditioner set cryogenic refrigeration, and need not increase in air-conditioner set fluid reservoir,
The part such as magnetic valve and check valve, without substantial amounts of refrigerant is filled with, cost is not only reduced, reduces unit volume, moreover it is possible to
Maintenance cost is reduced when system leaks.
According to one embodiment of present invention, the first time period in each cycle controls the compressor to be in opening state
State, the compressor is controlled to be closed in the second time period in each cycle.
According to one embodiment of present invention, in the first time period in each cycle, indoor environment temperature is also detected, its
In, if the indoor environment temperature is less than the second preset temperature, the electric heater in the air-conditioner set is opened to carry out
Heating compensation.
According to one embodiment of present invention, in the second time period in each cycle, if the compressor needs to start
Operation, then the continuous downtime of the compressor is recalculated, until the continuous downtime of the compressor reaches described
After second time period, into next cycle.
According to one embodiment of present invention, after the air-conditioner set enters the low temperature refrigerant circular flow pattern,
If the outdoor environment temperature is more than the 3rd preset temperature, the air-conditioner set is controlled to exit the low temperature refrigerant circulating
Row mode, wherein, the 3rd preset temperature is more than first preset temperature.
To reach above-mentioned purpose, a kind of cryogenic refrigeration control dress for air-conditioner set that another aspect of the present invention embodiment proposes
Put, including：Outdoor temperature sensor, for detecting outdoor environment temperature after the electricity on the air-conditioner set in real time；Control module,
For controlling the air-conditioner set to enter low temperature refrigerant circular flow when the outdoor environment temperature is less than the first preset temperature
Pattern, wherein, after the air-conditioner set enters the low temperature refrigerant circular flow pattern, the control module controls compressor
It is opened and closed periodically, indoor set is taken back will migrate into the refrigerant of outdoor unit.
The low-temperature refrigeration control device of air-conditioner set according to embodiments of the present invention, on air-conditioner set after electricity, pass through room
Outer temperature sensor detects outdoor environment temperature in real time, and then control module judges to be according to the outdoor environment temperature detected
No control air-conditioner set enters low temperature refrigerant circular flow pattern, and when outdoor environment temperature is less than the first preset temperature, control
Molding block control air-conditioner set enters low temperature refrigerant circular flow pattern, by opening and closing with controlling compressor cycle,
Indoor set is taken back will migrate into the refrigerant of outdoor unit in time, ensures reliably to start during air-conditioner set cryogenic refrigeration, and air-conditioning
The parts such as fluid reservoir, magnetic valve and check valve need not be increased in unit, without substantial amounts of refrigerant is filled with, not only reduced into
This, reduces unit volume, moreover it is possible to reduce maintenance cost when system leaks.
According to one embodiment of present invention, control module described in the first time period in each cycle controls the compression
Machine is in opening, and control module described in the second time period in each cycle controls the compressor to be closed.
According to one embodiment of present invention, interior is also passed through in the first time period in each cycle, the control module
Temperature sensor detects indoor environment temperature, wherein, if the indoor environment temperature is less than the second preset temperature, the control
Module then opens the electric heater in the air-conditioner set to carry out heating compensation.
According to one embodiment of present invention, in the second time period in each cycle, if the compressor needs to start
Operation, the control module then recalculate the continuous downtime of the compressor, until the continuous shutdown of the compressor
After time reaches the second time period, into next cycle.
According to one embodiment of present invention, after the air-conditioner set enters the low temperature refrigerant circular flow pattern,
If the outdoor environment temperature is more than the 3rd preset temperature, it is described low that the control module then controls the air-conditioner set to exit
Warm refrigerant circulation operational mode, wherein, the 3rd preset temperature is more than first preset temperature.
In addition, embodiments of the invention also proposed a kind of air-conditioner set, it includes the low temperature system of above-mentioned air-conditioner set
Cold control device.
The air-conditioner set of the embodiment of the present invention, by the corresponding control of above-mentioned low-temperature refrigeration control device, it can just enter low
Warm refrigerant circulation running, indoor set is taken back so as to will migrate into the refrigerant of outdoor unit in time, ensures air-conditioner set low temperature system
Reliably start when cold, and the parts such as fluid reservoir, magnetic valve and check valve need not be increased in air-conditioner set, it is a large amount of without being filled with
Refrigerant, not only reduce cost, reduce unit volume, moreover it is possible to reduce maintenance cost when system leaks.
Brief description of the drawings
Fig. 1 is the system schematic of the air-conditioner set using cold-starting control technology in correlation technique；
Fig. 2 is the flow chart according to the cryogenic refrigeration control method of the air-conditioner set of the embodiment of the present invention；And
Fig. 3 is the block diagram according to the low-temperature refrigeration control device of the air-conditioner set of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawings come the cryogenic refrigeration control method of the air-conditioner set that describes to propose according to embodiments of the present invention, sky
Adjust the low-temperature refrigeration control device of unit and the air-conditioner set with the low-temperature refrigeration control device.
Fig. 2 is the flow chart according to the cryogenic refrigeration control method of the air-conditioner set of the embodiment of the present invention.As shown in Fig. 2
The cryogenic refrigeration control method of the air-conditioner set comprises the following steps：
S1, on air-conditioner set after electricity, outdoor environment temperature T4 is detected in real time.
Wherein, outdoor environment temperature T4 can detect to obtain by the outdoor temperature sensor being arranged in air-conditioner set.
S2, when outdoor environment temperature is less than the first preset temperature, control air-conditioner set enters low temperature refrigerant circular flow
Pattern, wherein, after air-conditioner set enters low temperature refrigerant circular flow pattern, open and close to control compressor cycle,
Indoor set is taken back will migrate into the refrigerant of outdoor unit.
According to one embodiment of present invention, the first time period control compressor in each cycle is in opening,
It is closed in the second time period control compressor in each cycle.
That is, after air-conditioner set enters low temperature refrigerant circular flow pattern, compressor start operation the is first controlled
Such as a hours one period, indoor set is taken back will migrate into the refrigerant of outdoor unit in time, then control compressor to close the again
Such as b hours two periods, a cycle is so completed, is so periodically repeated.
Wherein, in the second time period in each cycle, if compressor needs startup optimization, compressor is recalculated
Continuous downtime, until after the continuous downtime of compressor reaches second time period, into next cycle.
Say, within each cycle, after compressor closes shutdown, timing can be started by timer, and in timer
Timing course in, if necessary to compressor start run, at this moment need to reset timer when compressor start is run, directly
Closed to compressor after shutting down, timer restarts timing, so as to retrieve the continuous downtime of compressor, and is pressing
When the continuous downtime of contracting machine reaches second time period such as b hours, compressor start is controlled to carry out refrigerant circulation again, i.e.,
Into next cycle.
In an embodiment of the present invention, the first preset temperature can be demarcated according to the actual conditions of air-conditioner set, and first
Period and second time period are also to be set according to actual conditions.
According to one embodiment of present invention, in the first time period in each cycle, indoor environment temperature T1 is also detected, its
In, if indoor environment temperature T1 is less than the second preset temperature, the electric heater in air-conditioner set is opened to carry out heating benefit
Repay, to avoid indoor environment temperature from fluctuating.
Also, after the air-conditioner set enters the low temperature refrigerant circular flow pattern, if the outdoor environment temperature
Degree is more than the 3rd preset temperature, then controls the air-conditioner set to exit the low temperature refrigerant circular flow pattern, wherein, described the
Three preset temperatures are more than first preset temperature.It should be noted that the 3rd preset temperature is also the reality according to air-conditioner set
Border situation is demarcated.
Specifically, on air-conditioner set after electricity, judge whether air-conditioner set is that manual start/incoming call is restarted.If
Manual start/incoming call is restarted, then air-conditioner set carries out normal boot-strap.In air-conditioning unit to normally start up, real-time sensing chamber's outer shroud
Border temperature T4, and when T4 is less than the first preset temperature, air-conditioner set enters low temperature refrigerant loop control, and starts compressor,
Refrigerant circulation operation being carried out, being taken back with will migrate into the refrigerant of outdoor unit in indoor set.During refrigerant circulation is run, such as
Fruit detects that indoor environment temperature T1 declines and is less than the second preset temperature, then opening electric heater carries out temperature-compensating.Wherein,
After compressor start runs such as a hours certain time, control compressor closes such as b hours a period of time, then controls again
Compressor start processed runs such as a hours certain time, is so repeated, so as to will migrate into the refrigerant of outdoor unit in time
Indoor set is taken back, avoids refrigerant from being deposited in outdoor unit, ensures that the low temperature of air-conditioner set smoothly starts, and is closed in compressor
B hours in, if because load variations demand compressor start is run, at this moment need to restart to calculate the continuous of compressor
Downtime.In addition, after air-conditioner set enters low temperature refrigerant circular flow pattern, if T4 is more than the 3rd preset temperature,
Exit refrigerant circulation control.
And if not being that manual start/incoming call is restarted after electricity on air-conditioner set, then air-conditioner set enters holding state, then
Detection outdoor environment temperature T4 in real time, and when T4 is less than the first preset temperature, air-conditioner set enters low temperature refrigerant loop control,
And start air-conditioner set, start compressor, carry out refrigerant circulation operation, indoor set is taken back will migrate into the refrigerant of outdoor unit
In.During refrigerant circulation is run, if detecting that indoor environment temperature T1 declines and is less than the second preset temperature, open
Open electric heater and carry out temperature-compensating.Wherein, after compressor start runs such as a hours certain time, control compression office
Such as b hours a period of time are closed, then controls compressor start to run such as a hours certain time again, is so repeated, from
And the refrigerant that can will migrate into outdoor unit in time takes back indoor set, avoid refrigerant from being deposited in outdoor unit, ensure air-conditioner set
Low temperature smoothly starts, and within the b hours that compressor is closed, if started shooting manually, demand compressor start is run,
At this moment need to restart the continuous downtime for calculating compressor.In addition, enter low temperature refrigerant circular flow in air-conditioner set
After pattern, if T4 is more than the 3rd preset temperature, refrigerant circulation control is exited.
In summary, the cryogenic refrigeration control method of air-conditioner set according to embodiments of the present invention, it is electric on air-conditioner set
Afterwards, judge whether to control air-conditioner set to enter low temperature refrigerant circular flow pattern by detecting outdoor environment temperature in real time, and
After air-conditioner set enters low temperature refrigerant circular flow pattern, open and close to control compressor cycle, will be moved with timely
The refrigerant for moving on to outdoor unit takes back indoor set, ensures reliably to start during air-conditioner set cryogenic refrigeration, and need not in air-conditioner set
Increase the parts such as fluid reservoir, magnetic valve and check valve, without substantial amounts of refrigerant is filled with, not only reduce cost, reduce unit
Volume, moreover it is possible to reduce maintenance cost when system leaks.
Fig. 3 is the block diagram according to the low-temperature refrigeration control device of the air-conditioner set of the embodiment of the present invention.Such as Fig. 3 institutes
Show, the low-temperature refrigeration control device of the air-conditioner set includes：Outdoor temperature sensor 10 and control module 20.
Wherein, outdoor temperature sensor 10 is used for when the outdoor environment temperature is less than the first preset temperature described in control
Air-conditioner set enters low temperature refrigerant circular flow pattern, wherein, enter the low temperature refrigerant circular flow in the air-conditioner set
After pattern, control module 20 is opened and closed with controlling compressor cycle, and interior is taken back will migrate into the refrigerant of outdoor unit
Machine.
According to one embodiment of present invention, the first time period control module 20 in each cycle controls the compressor
In opening, the compressor is controlled to be closed in the second time period control module 20 in each cycle.
That is, after air-conditioner set enters low temperature refrigerant circular flow pattern, compressor start operation the is first controlled
Such as a hours one period, indoor set is taken back will migrate into the refrigerant of outdoor unit in time, then control compressor to close the again
Such as b hours two periods, a cycle is so completed, is so periodically repeated.
Also, in the first time period in each cycle, control module 20 also passes through indoor temperature transmitter sensing chamber inner ring
Border temperature, wherein, if the indoor environment temperature is less than the second preset temperature, control module 20 then opens the air-conditioner set
In electric heater to carry out heating compensation, to avoid indoor environment temperature from fluctuating.
According to one embodiment of present invention, in the second time period in each cycle, if the compressor needs to start
Operation, control module 20 then recalculate the continuous downtime of the compressor, until during the continuous shutdown of the compressor
Between reach the second time period after, into next cycle.
Say, within each cycle, after compressor closes shutdown, timing can be started by timer, and in timer
Timing course in, if necessary to compressor start run, at this moment need to reset timer when compressor start is run, directly
Closed to compressor after shutting down, timer restarts timing, so as to retrieve the continuous downtime of compressor, and is pressing
When the continuous downtime of contracting machine reaches second time period such as b hours, compressor start is controlled to carry out refrigerant circulation again, i.e.,
Into next cycle.
According to one embodiment of present invention, after the air-conditioner set enters the low temperature refrigerant circular flow pattern,
If the outdoor environment temperature is more than the 3rd preset temperature, control module 20 then controls the air-conditioner set to exit the low temperature
Refrigerant circulation operational mode, wherein, the 3rd preset temperature is more than first preset temperature.
The low-temperature refrigeration control device of air-conditioner set according to embodiments of the present invention, on air-conditioner set after electricity, pass through room
Outer temperature sensor detects outdoor environment temperature in real time, and then control module judges to be according to the outdoor environment temperature detected
No control air-conditioner set enters low temperature refrigerant circular flow pattern, and when outdoor environment temperature is less than the first preset temperature, control
Molding block control air-conditioner set enters low temperature refrigerant circular flow pattern, by opening and closing with controlling compressor cycle,
Indoor set is taken back will migrate into the refrigerant of outdoor unit in time, ensures reliably to start during air-conditioner set cryogenic refrigeration, and air-conditioning
The parts such as fluid reservoir, magnetic valve and check valve need not be increased in unit, without substantial amounts of refrigerant is filled with, not only reduced into
This, reduces unit volume, moreover it is possible to reduce maintenance cost when system leaks.
In addition, embodiments of the invention also proposed a kind of air-conditioner set, it includes the low temperature system of above-mentioned air-conditioner set
Cold control device.
Wherein, the air-conditioner set of the embodiment of the present invention can be used in computer room.
The air-conditioner set of the embodiment of the present invention, by the corresponding control of above-mentioned low-temperature refrigeration control device, it can just enter low
Warm refrigerant circulation running, indoor set is taken back so as to will migrate into the refrigerant of outdoor unit in time, ensures air-conditioner set low temperature system
Reliably start when cold, and the parts such as fluid reservoir, magnetic valve and check valve need not be increased in air-conditioner set, it is a large amount of without being filled with
Refrigerant, not only reduce cost, reduce unit volume, moreover it is possible to reduce maintenance cost when system leaks.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " 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, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
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, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
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 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 and is 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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
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, changed, replacing and modification.
Claims (7)
1. the cryogenic refrigeration control method of a kind of air-conditioner set, it is characterised in that comprise the following steps：
On the air-conditioner set after electricity, outdoor environment temperature is detected in real time；
When the outdoor environment temperature is less than the first preset temperature, the air-conditioner set is controlled to enter low temperature refrigerant circular flow
Pattern, wherein, after the air-conditioner set enters the low temperature refrigerant circular flow pattern, open to control compressor cycle
And closing, take back indoor set will migrate into the refrigerant of outdoor unit；
The compressor is controlled to be in opening in the first time period in each cycle, in the second time period control in each cycle
The compressor is made to be closed, and in the second time period in each cycle, if the compressor needs to start fortune
OK, then the continuous downtime of the compressor is recalculated, until the continuous downtime of the compressor reaches described the
After two periods, into next cycle.
2. the cryogenic refrigeration control method of air-conditioner set according to claim 1, it is characterised in that the of each cycle
One period, indoor environment temperature is also detected, wherein, if the indoor environment temperature is less than the second preset temperature, open
Electric heater in the air-conditioner set is to carry out heating compensation.
3. the cryogenic refrigeration control method of air-conditioner set according to claim 1 or 2, it is characterised in that in the air-conditioning
After unit enters the low temperature refrigerant circular flow pattern, if the outdoor environment temperature is more than the 3rd preset temperature, control
Make the air-conditioner set and exit the low temperature refrigerant circular flow pattern, wherein, the 3rd preset temperature is more than described first
Preset temperature.
A kind of 4. low-temperature refrigeration control device of air-conditioner set, it is characterised in that including：
Outdoor temperature sensor, for detecting outdoor environment temperature after the electricity on the air-conditioner set in real time；
Control module, for controlling the air-conditioner set to enter low temperature when the outdoor environment temperature is less than the first preset temperature
Refrigerant circulation operational mode, wherein, after the air-conditioner set enters the low temperature refrigerant circular flow pattern, the control mould
Open and close to block control compressor cycle, indoor set is taken back will migrate into the refrigerant of outdoor unit；
Control module described in first time period in each cycle controls the compressor to be in opening, in each cycle
Control module described in second time period controls the compressor to be closed, and in the second time period in each cycle,
If the compressor needs startup optimization, the control module then recalculates the continuous downtime of the compressor, directly
After the continuous downtime of the extremely compressor reaches the second time period, into next cycle.
5. the low-temperature refrigeration control device of air-conditioner set according to claim 4, it is characterised in that the of each cycle
One period, the control module also detect indoor environment temperature by indoor temperature transmitter, wherein, if the indoor ring
Border temperature is less than the second preset temperature, and the control module then opens the electric heater in the air-conditioner set to carry out heating benefit
Repay.
6. the low-temperature refrigeration control device of the air-conditioner set according to claim 4 or 5, it is characterised in that in the air-conditioning
It is described if the outdoor environment temperature is more than the 3rd preset temperature after unit enters the low temperature refrigerant circular flow pattern
Control module then controls the air-conditioner set to exit the low temperature refrigerant circular flow pattern, wherein, the 3rd preset temperature
More than first preset temperature.
7. a kind of air-conditioner set, it is characterised in that include the low temperature of the air-conditioner set according to any one of claim 4-6
Refrigeration control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519254.9A CN105115117B (en) | 2015-08-21 | 2015-08-21 | Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519254.9A CN105115117B (en) | 2015-08-21 | 2015-08-21 | Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105115117A CN105115117A (en) | 2015-12-02 |
| CN105115117B true CN105115117B (en) | 2017-12-08 |
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| CN201510519254.9A Active CN105115117B (en) | 2015-08-21 | 2015-08-21 | Air-conditioner set and its cryogenic refrigeration control method and low-temperature refrigeration control device |
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| CN108954710A (en) * | 2018-07-18 | 2018-12-07 | 海信（山东）空调有限公司 | A kind of air conditioner low-temperature heating starting method and air conditioner |
| CN108954714B (en) * | 2018-07-25 | 2020-12-15 | 广东美的暖通设备有限公司 | Air conditioner and starting control method thereof |
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| JP2001133021A (en) * | 1999-11-04 | 2001-05-18 | Sanyo Electric Co Ltd | Controller for air conditioner |
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