CN109210717A - Method, apparatus and air-conditioning based on cold and hot degree control compressor - Google Patents
Method, apparatus and air-conditioning based on cold and hot degree control compressor Download PDFInfo
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- CN109210717A CN109210717A CN201810967251.5A CN201810967251A CN109210717A CN 109210717 A CN109210717 A CN 109210717A CN 201810967251 A CN201810967251 A CN 201810967251A CN 109210717 A CN109210717 A CN 109210717A
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- 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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/14—Activity of occupants
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of method, apparatus and air-conditioning based on cold and hot degree control compressor, which comprises when operation of air conditioner, obtains the real-time room temperature in room locating for air-conditioning, judges whether the real-time room temperature meets cold and hot degree control condition；The cold and hot degree control condition is greater than second temperature threshold value less than room temperature under the first temperature threshold and heating operation mode including at least room temperature under cooling operation mode；If the real-time room temperature meets the cold and hot degree control condition, control air-conditioning executes cold and hot degree control process；The cold and hot degree control process includes following winding switching control process: if the real-time cooling temperature of indoor occupant belongs to uncomfortable cold Heat range, the winding for controlling compressor is triangle connection type；If belonging to comfortable cold Heat range, the winding for controlling compressor is star-like connection mode.With the application of the invention, being able to ascend the overall operation performance of air-conditioning.
Description
Technical field
The invention belongs to air-conditioning technique fields, specifically, being to be related to air-conditioning and its control, more specifically, are
It is related to method, apparatus and air-conditioning based on cold and hot degree control compressor.
Background technique
Existing transducer air conditioning by being adjusted to compressor operating frequency, have it is more accurate than air-conditioner with fixed frequency temperature control,
The advantage of the few, low noise of power consumption etc..For compressor, there is star-like connection mode and triangles for internal winding connection
Shape connection type, when compressor runs same frequency, compressor efficiency corresponding to different winding connections is endless
Exactly the same.The winding connection of major part compressor in air conditioner is after factory it has been determined that in the process of running at present
It cannot change, under certain running frequencies, compressor efficiency is not optimal under the winding connection of this determination, therefore,
The optimal of efficiency cannot be reached in entire operation of air conditioner frequency range.
To solve the problems, such as that compressor is non-optimal in whole service frequency range internal efficiency, occurring can be in operational process
The technology of middle adjustment compressor winding connection.For example, the Chinese patent application of Publication No. CN107395093A proposes
A kind of air conditioner, the air conditioner include compressor, and compressor includes control circuit, in compressor low-frequency operation, control
One end of each winding of circuit control compressor links together, and forms star-like connection mode；In the operation of compressor high frequency, control
The head and the tail of all windings of circuit control compressor processed connect, and form triangle connection type.In turn, control circuit is according to compressor
Running frequency control winding connection type switches between star and triangle, to improve operational efficiency.
It in the above-described techniques, is to influence compressor according to the switching of compressor operating frequency control winding connection type
This direct factor of the frequency of operational efficiency is the most directly, effectively for raising efficiency as control condition.But
It is that the main function of air conditioner is the comfort for adjusting indoor environment, improves human comfort.Merely according to compressor frequency
The switching of rate control winding connection type, although compressor operational efficiency can be improved, do not ensure that relaxing for indoor environment
Adaptive.Also, when switching winding connection, generally it is required to compressor and first shuts down, then switch again, if frequency changes
Frequently, if frequent switching winding connection, high frequent is needed to shut down, this will cause the comfort of indoor environment non-
Often big influence.To which using existing way, reducing by compressor efficiency is promoted improves the effect of air conditioner overall performance
Fruit.
Summary of the invention
The object of the present invention is to provide a kind of method and devices based on cold and hot degree control compressor, promote the entirety of air-conditioning
Runnability.
For achieving the above object, method provided by the invention, which adopts the following technical solutions, is achieved:
A method of compressor is controlled based on cold and hot degree, which comprises
When operation of air conditioner, the real-time room temperature in room locating for air-conditioning is obtained, it is cold to judge whether the real-time room temperature meets
Temperature control condition；The cold and hot degree control condition is including at least room temperature under cooling operation mode less than the first temperature threshold
It is greater than second temperature threshold value with room temperature under heating operation mode；
If the real-time room temperature meets the cold and hot degree control condition, control air-conditioning executes cold and hot degree control process；
The cold and hot degree control process includes that circulation executes following winding switching control processes:
The real-time cooling temperature for determining indoor occupant is made comparisons with cold Heat range is set；
If comparison result is that the real-time cooling temperature belongs to uncomfortable cold Heat range, the winding for controlling compressor is triangle
Connection type；
If comparison result is that the real-time cooling temperature belongs to comfortable cold Heat range, the winding for controlling compressor is star-like connection
Mode.
Preferably, the method also includes: in the cold and hot degree control process,
While the winding for controlling compressor is triangle connection type, the running frequency for controlling compressor is faced not less than setting
Boundary's frequency；
While the winding for controlling compressor is star-like connection mode, the running frequency for controlling compressor is less than the setting and faces
Boundary's frequency.
Preferably, the method also includes:
In the cold and hot degree control process, while the winding for controlling compressor is triangle connection type, adjustment is indoor
Temperature target, the running frequency based on room temperature target value adjusted and real-time room temperature adjustment compressor.
Preferably, the method also includes:
While the winding for controlling compressor is star-like connection mode, compressor is controlled to be less than the setting critical frequency
Fixed frequency operation.
Method as described above, control compressor winding by triangle connection type be switched to star-like connection mode or
When being switched to triangle connection type by star-like connection mode, control compressor is first shut down, and is then switched again.
Preferably, the method also includes:
If the real-time room temperature is unsatisfactory for the cold and hot degree control condition, the winding for controlling compressor is triangle connection side
Formula.
To realize aforementioned invention purpose, device provided by the invention, which adopts the following technical solutions, to be achieved:
A kind of device based on cold and hot degree control compressor, described device include:
Cold and hot degree control condition judging unit judges the real-time room for obtaining the real-time room temperature in room locating for air-conditioning
Whether interior temperature meets cold and hot degree control condition；The cold and hot degree control condition includes at least room temperature under cooling operation mode
It is greater than second temperature threshold value less than room temperature under the first temperature threshold and heating operation mode；
Cold and hot degree control unit, for determining that the real-time room temperature meets institute in the cold and hot degree control condition judging unit
When stating cold and hot degree control condition, control air-conditioning executes cold and hot degree control process；
Wherein, the cold and hot degree control process includes that circulation executes following winding switching control processes:
The real-time cooling temperature for determining indoor occupant is made comparisons with cold Heat range is set；
If comparison result is that the real-time cooling temperature belongs to uncomfortable cold Heat range, the winding for controlling compressor is triangle
Connection type；
If comparison result is that the real-time cooling temperature belongs to comfortable cold Heat range, the winding for controlling compressor is star-like connection
Mode.
Device as described above, the cold and hot degree control unit are executed in cold and hot degree control process in control air-conditioning, are also used
In: while the winding for controlling compressor is triangle connection type, the running frequency for controlling compressor is faced not less than setting
Boundary's frequency；While the winding for controlling compressor is star-like connection mode, the running frequency for controlling compressor is less than described set
Determine critical frequency.
Preferably, described device further include:
Conventional winding control unit, for determining that the real-time room temperature is discontented in the cold and hot degree control condition judging unit
When the foot cold and hot degree control condition, the winding for controlling compressor is triangle connection type.
In addition, the present invention also provides a kind of air-conditioning, including compressor, it further include above-mentioned based on cold and hot degree control compressor
Device.
It compared with prior art, will be indoor the advantages and positive effects of the present invention are: using method and device of the invention
Condition of the cold and hot degree of personnel as switching compressor winding connection, since the cold and hot degree of indoor occupant directly reflects people
The comfort of member had both been able to achieve compared with the prior art is using the switching of compressor frequency control connection type based on personnel's
Comfort level intelligent control compressor reaches taking into account for personnel's comfort and compressor operational efficiency；Though also, the cold and hot degree of personnel
It is so to reflect the indirect factor of compressor operational efficiency, but adjust the compressor frequency direct target to be regulated and controled ginseng
Number, thus, with the switching of the cold and hot degree control winding connection type of personnel, can be realized to the pre- of compressor winding connection
Sentence and control in advance, be swift in response, control reliability is higher；And the cold and hot degree of personnel will not be mutated, because being compressed without caused by
Hair of the machine because of the problems such as continually switching reduction amenity brought by winding connection, reduction compressor service life
It is raw, improve air conditioner overall performance.Moreover, only temperature meets cold and hot degree control indoors by the way that cold and hot degree control condition is arranged
Cold and hot degree control process is just executed when condition processed, it, can in varied situations by the cold and hot degree control condition of reasonable set
Realize that air-conditioning to the pleasant climate and compressor efficient operation of human body, improves operation of air conditioner performance.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is that the present invention is based on the flow charts of method one embodiment of cold and hot degree control compressor；
Fig. 2 is that the present invention is based on the flow charts of another embodiment of the method for cold and hot degree control compressor；
Fig. 3 is that the present invention is based on the structural block diagrams of device one embodiment of cold and hot degree control compressor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to drawings and examples,
Invention is further described in detail.
Referring to Figure 1, the figure show the present invention is based on it is cold and hot degree control compressor method one embodiment process
Figure, is the compressor control method of one embodiment of both in-door personnel comfort and compressor operational efficiency specifically
Flow chart.
As shown in Figure 1, the method that the embodiment realizes compressor of air conditioner control includes the following steps the process to be formed:
Step 101: when operation of air conditioner, obtaining the real-time room temperature in room locating for air-conditioning, judge whether real-time room temperature is full
The cold and hot degree control condition of foot.
Real-time room temperature refers to the indoor environment temperature in room locating for the air-conditioning constantly obtained according to certain sample frequency
Degree.For example, it can be obtained by the temperature-detecting device being arranged on air-conditioning.Cold and hot degree control condition is preset, known
Condition, be determined whether can to execute the decision condition of cold and hot degree control.The cold and hot degree control condition, energy by reasonable set
It is enough to realize air-conditioning to the pleasant climate of human body in varied situations.For example, cold and hot degree control condition includes at least: refrigeration fortune
Under row mode, environment temperature is less than the first temperature threshold；Under heating operation mode, environment temperature is greater than second temperature threshold value；And
First temperature threshold is greater than second temperature threshold value.For example, the first temperature threshold is 26 DEG C, and second temperature threshold value is 22 DEG C.
After obtaining real-time room temperature, corresponding temperature threshold is selected according to air conditioning operating mode, then, by real-time room temperature
It makes comparisons with selected temperature threshold, to judge whether to meet cold and hot degree control condition.
Step 102: when real-time room temperature meets cold and hot degree control condition, control air-conditioning executes cold and hot degree and controlled
Journey.Cold and hot control process of spending is referring to the description of step 103 to step 106.
Step 103: determining the real-time cooling temperature of indoor occupant, make comparisons with cold Heat range is set.
Wherein it is determined that the real-time cooling temperature of indoor occupant, can be realized using the prior art.For example, in air conditioning chamber
Thermal imaging detection device is set on machine, room locating for indoor unit is scanned by thermal imaging detection device, obtains thermal imaging
Data determine indoor personnel amount, the position of each personnel and the cold and hot degree of personnel based on thermal imaging data.
Moreover, be previously stored with the cold Heat ranges of multiple settings in this embodiment, in air-conditioning, for example, comfortable grade and
Uncomfortable grade, and comfortable grade and uncomfortable grade can be further subdivided into multiple grades.Each personnel are being determined
Cold and hot degree after, respectively with set cold Heat range and make comparisons, to execute different processing according to comparison result.
Step 104: judging whether real-time cooling temperature is comfortable cold Heat range.If so, executing step 105；Otherwise, it holds
Row step 106.
Step 105: if step 104 determines that real-time cooling temperature belongs to comfortable cold Heat range, compressor will be controlled
Winding is star-like connection mode.
If real-time cooling temperature belongs to comfortable cold Heat range, show that personnel feel more comfortable at this time.In this case,
Compressor will generally be run with low frequency.Therefore, the winding for controlling compressor in advance is star-like connection mode, in subsequent compression
More preferably compressor operational efficiency can be obtained under machine low frequency operating status.
Step 106: if step 104 determines that real-time cooling temperature belongs to uncomfortable cold Heat range, compressor will be controlled
Winding be triangle connection type.
If real-time cooling temperature belongs to uncomfortable cold Heat range, show that personnel feel more uncomfortable at this time.This feelings
Under condition, compressor will generally be run with high-frequency, to adjust environmental parameter as early as possible, so that human body reaches comfortable grade.Therefore, it mentions
The winding of preceding control compressor is triangle connection type, more excellent can obtain under subsequent compression machine high-frequency operating status
Compressor operational efficiency.
Control compressor is star-like connection mode or is triangle connection type, can be realized using the prior art,
The embodiment is not construed as limiting this.
Also, the winding switching control process that above steps is constituted, which recycles, to be executed.That is, in control compressor with star
In connection type or the triangle connection type course of work, still constantly executes step 103 and obtain real-time cooling temperature and subsequent
Multilevel iudge process, which kind of winding connection met, then controls compressor winding and is switched to the connection type.
Using the compressor control method of the embodiment, after entering cold and hot degree control process, by the cold and hot of indoor occupant
The condition as switching compressor winding connection is spent, since the cold and hot degree of indoor occupant directly reflects the comfortable of personnel
Property, compared with the prior art is using the switching of compressor frequency control connection type, both it had been able to achieve the comfort level intelligence based on personnel
It can control compressor, reach taking into account for personnel's comfort and compressor operational efficiency；Also, although the cold and hot degree of personnel is reflection
The indirect factor of compressor operational efficiency, but the compressor frequency direct target component to be regulated and controled is adjusted, thus, with
The switching of the cold and hot degree control winding connection type of personnel can be realized the anticipation to compressor winding connection and control in advance
System, is swift in response, and control reliability is higher；And the cold and hot degree of personnel will not be mutated, because without caused by compressor because continually
Switch the generation for reducing amenity brought by winding connection, reducing the problems such as compressor service life, improves
Air conditioner overall performance.Moreover, cold and hot degree control process is the just execution when meeting cold and hot degree control condition, it is possible to prevente effectively from
Detection means used in cold and hot degree controls influences detection accuracy because environment temperature is not suitable for, causes still to adopt in the case of this in turn
The generation for the problem for leading to control inaccuracy with cold and hot degree control, and can realize air-conditioning to human body in varied situations
Pleasant climate and compressor efficient operation improve operation of air conditioner performance.
Fig. 2 is referred to, which show that the present invention is based on the streams of method another embodiment of cold and hot degree control compressor
Cheng Tu, specifically and the compressor control of one embodiment of both in-door personnel comfort and compressor operational efficiency
Method flow diagram.
As shown in Fig. 2, the method that the embodiment realizes compressor of air conditioner control includes the following steps the process to be formed:
Step 201: when operation of air conditioner, obtaining the real-time room temperature in room locating for air-conditioning, judge whether real-time room temperature is full
The cold and hot degree control condition of foot.If so, otherwise executing step 202 goes to step 207.It is cold to judge whether real-time room temperature meets
The detailed process of temperature control condition referring to Fig. 1 embodiment corresponding steps description.
Step 202: when real-time room temperature meets cold and hot degree control condition, control air-conditioning executes cold and hot degree and controlled
Journey.Cold and hot control process of spending is referring to the description of step 203 to step 206.
Step 203: determining the real-time cooling temperature of indoor occupant, make comparisons with cold Heat range is set.
Step 204: judging whether real-time cooling temperature is comfortable cold Heat range.If so, executing step 205；Otherwise, it holds
Row step 206.
The specific implementation principle and process of above-mentioned two step referring to Fig. 1 embodiment corresponding description.
Step 205: if step 204 determines that real-time cooling temperature belongs to comfortable cold Heat range, compressor will be controlled
Winding is star-like connection mode.
If real-time cooling temperature belongs to comfortable cold Heat range, show that personnel feel more comfortable at this time.In this case,
Compressor will generally be run with low frequency.Therefore, the winding for controlling compressor in advance is star-like connection mode, in subsequent compression
More preferably compressor operational efficiency can be obtained under machine low frequency operating status.
Meanwhile while the winding for controlling compressor is star-like connection mode, the running frequency of compressor is also controlled
Less than setting critical frequency.Wherein, setting critical frequency is known frequency values, and generally compressor is in two kinds of winding connection sides
The frequency values that operational efficiency is transferred under formula can be determined according to compressor operational efficiency curve.As a result, by connecting to star
The running frequency for connecing compressor under mode makees the restriction of maximum frequency of operation, so that compressor is also equal under the winding connection
Maintain higher operational efficiency.In some other preferred embodiment, compressor is controlled to be less than consolidating for setting critical frequency
Determine frequency operation, simplifies frequency of air condition compressor control, and keep low energy consumption, high-efficiency operation.
Step 206: if step 204 determines that real-time cooling temperature belongs to uncomfortable cold Heat range, compressor will be controlled
Winding be triangle connection type.
If real-time cooling temperature belongs to uncomfortable cold Heat range, show that personnel feel more uncomfortable at this time.This feelings
Under condition, compressor will generally be run with high-frequency, to adjust environmental parameter as early as possible, so that human body reaches comfortable grade.Therefore, it mentions
The winding of preceding control compressor is triangle connection type, more excellent can obtain under subsequent compression machine high-frequency operating status
Compressor operational efficiency.
Also, while the winding for controlling compressor is triangle connection type, by adjusting room temperature target value,
Rapidly realize that the cold and hot degree of personnel reaches comfortable grade.Moreover, in this process, also being adjusted to the running frequency of compressor.
The running frequency of compressor is adjusted, including two aspects: first, the running frequency of control compressor is critical not less than setting
Frequency makees the restriction of minimum running frequency by the running frequency to compressor under triangle connection type, so that compressor exists
Higher operational efficiency is maintained under the winding connection.Second, based on room temperature target value adjusted and in real time
The running frequency of room temperature adjustment compressor.Specifically, it is to obtain real-time room temperature, calculates real-time room temperature and adjust
The temperature difference between room temperature target value after whole executes PID arithmetic or increment type PID operation based on the temperature difference, determines fortune in real time
Line frequency controls compressor with the operation of real time execution frequency.PID arithmetic or increment type PID operation control are executed according to deviation
Specific method and realization process can refer to the prior art.
Step 207: if step 201 determines that real-time room temperature is unsatisfactory for cold and hot degree control condition, controlling compressor
Winding is triangle connection type.
As previously mentioned, cold and hot degree control condition includes at least: under cooling operation mode, environment temperature is less than the first temperature threshold
Value；Under heating operation mode, environment temperature is greater than second temperature threshold value.If real-time room temperature is unsatisfactory for cold and hot degree control strip
Part shows that room temperature and comfort temperature gap are larger.In this case, control air-conditioning high frequency operation is generally required, so that indoor
Temperature is quickly close to comfort temperature.It therefore, is triangle connection type by the winding of compressor is controlled, in subsequent compression machine
More preferably compressor operational efficiency can be obtained under high-frequency operating status.
Compressor of air conditioner is controlled using the method for the embodiment, had both been able to achieve the comfort level intelligent control compression based on personnel
Machine reaches taking into account for personnel's comfort and compressor operational efficiency, not will cause compressor also because of continually switching winding connection
The comfort of indoor environment is reduced brought by mode, reduces the generation of the problem of compressor service life, improves air conditioner
Overall performance.
In other some preferred embodiments, star is switched to by triangle connection type in the winding of control compressor
Connection type or when being switched to triangle connection type by star-like connection mode, control compressor is first shut down, and is then switched again, is protected
The safety for demonstrate,proving compressor, further increases operational reliability and compressor service life.
Refer to Fig. 3, the figure show the present invention is based on it is cold and hot degree control compressor device one embodiment structure
Block diagram.
As shown in figure 3, the function of structural unit included by the device of the embodiment, each structural unit and between each other
Relationship it is as follows:
Cold and hot degree control condition judging unit 301 judges indoor in real time for obtaining the real-time room temperature in room locating for air-conditioning
Whether temperature meets cold and hot degree control condition；Cold and hot degree control condition includes at least under cooling operation mode room temperature less than the
Room temperature is greater than second temperature threshold value under one temperature threshold and heating operation mode；
Cold and hot degree control unit 302, it is cold and hot for determining that real-time room temperature meets in cold and hot degree control condition judging unit 301
When spending control condition, control air-conditioning executes cold and hot degree control process.
Wherein, cold and hot degree control process includes that circulation executes following winding switching control processes:
The real-time cooling temperature for determining indoor occupant is made comparisons with cold Heat range is set；
If comparison result is that real-time cooling temperature belongs to uncomfortable cold Heat range, the winding of compressor is controlled as triangle connection
Mode；
If comparison result is that real-time cooling temperature belongs to comfortable cold Heat range, the winding for controlling compressor is star-like connection side
Formula.
In some other preferred embodiment, cold and hot degree control unit 302 executes cold and hot degree control process in control air-conditioning
In, be also used to: while the winding for controlling compressor is triangle connection type, the running frequency for controlling compressor is not less than
Set critical frequency；While the winding for controlling compressor is star-like connection mode, the running frequency for controlling compressor is less than
Set critical frequency.
In some other preferred embodiment, the device for controlling compressor can also include conventional winding control unit, use
In when cold and hot degree control condition judging unit 301 determines that real-time room temperature is unsatisfactory for cold and hot degree control condition, control is compressed
The winding of machine is triangle connection type.
Compressor control device with above structure can be applied in air conditioner, and corresponding software program is run, and
Compressor operation control is executed according to the process of Fig. 1, Fig. 2 or other preferred embodiments, is realized based on the comfortable of indoor occupant
Intelligent control compressor is spent, taking into account for personnel's comfort and compressor operational efficiency, promotion air conditioner overall performance are reached.More
The principle and process of body are refering to the above-mentioned description as described in control method.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of method based on cold and hot degree control compressor, which is characterized in that the described method includes:
When operation of air conditioner, the real-time room temperature in room locating for air-conditioning is obtained, it is cold to judge whether the real-time room temperature meets
Temperature control condition；The cold and hot degree control condition is including at least room temperature under cooling operation mode less than the first temperature threshold
It is greater than second temperature threshold value with room temperature under heating operation mode；
If the real-time room temperature meets the cold and hot degree control condition, control air-conditioning executes cold and hot degree control process；
The cold and hot degree control process includes that circulation executes following winding switching control processes:
The real-time cooling temperature for determining indoor occupant is made comparisons with cold Heat range is set；
If comparison result is that the real-time cooling temperature belongs to uncomfortable cold Heat range, the winding for controlling compressor is triangle
Connection type；
If comparison result is that the real-time cooling temperature belongs to comfortable cold Heat range, the winding for controlling compressor is star-like connection
Mode.
2. the method according to claim 1, wherein the method also includes: in the cold and hot degree control process
In,
While the winding for controlling compressor is triangle connection type, the running frequency for controlling compressor is faced not less than setting
Boundary's frequency；
While the winding for controlling compressor is star-like connection mode, the running frequency for controlling compressor is less than the setting and faces
Boundary's frequency.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
In the cold and hot degree control process, while the winding for controlling compressor is triangle connection type, adjustment is indoor
Temperature target, the running frequency based on room temperature target value adjusted and real-time room temperature adjustment compressor.
4. according to the method described in claim 2, it is characterized in that, the method also includes:
While the winding for controlling compressor is star-like connection mode, compressor is controlled to be less than the setting critical frequency
Fixed frequency operation.
5. the method according to claim 1, wherein the winding in control compressor is cut by triangle connection type
When being changed to star-like connection mode or being switched to triangle connection type by star-like connection mode, control compressor is first shut down, then
Switch again.
6. the method according to any one of claims 1 to 5, which is characterized in that the method also includes:
If the real-time room temperature is unsatisfactory for the cold and hot degree control condition, the winding for controlling compressor is triangle connection side
Formula.
7. a kind of device based on cold and hot degree control compressor, which is characterized in that described device includes:
Cold and hot degree control condition judging unit judges the real-time room for obtaining the real-time room temperature in room locating for air-conditioning
Whether interior temperature meets cold and hot degree control condition；The cold and hot degree control condition includes at least room temperature under cooling operation mode
It is greater than second temperature threshold value less than room temperature under the first temperature threshold and heating operation mode；
Cold and hot degree control unit, for determining that the real-time room temperature meets institute in the cold and hot degree control condition judging unit
When stating cold and hot degree control condition, control air-conditioning executes cold and hot degree control process；
Wherein, the cold and hot degree control process includes that circulation executes following winding switching control processes:
The real-time cooling temperature for determining indoor occupant is made comparisons with cold Heat range is set；
If comparison result is that the real-time cooling temperature belongs to uncomfortable cold Heat range, the winding for controlling compressor is triangle
Connection type；
If comparison result is that the real-time cooling temperature belongs to comfortable cold Heat range, the winding for controlling compressor is star-like connection
Mode.
8. device according to claim 7, which is characterized in that the cold and hot degree control unit executes cold and hot in control air-conditioning
It spends in control process, is also used to: while the winding for controlling compressor is triangle connection type, controlling the operation of compressor
Frequency is not less than setting critical frequency；While the winding for controlling compressor is star-like connection mode, the fortune of compressor is controlled
Line frequency is less than the setting critical frequency.
9. device according to claim 8, which is characterized in that described device further include:
Conventional winding control unit, for determining that the real-time room temperature is discontented in the cold and hot degree control condition judging unit
When the foot cold and hot degree control condition, the winding for controlling compressor is triangle connection type.
10. a kind of air-conditioning, including compressor, which is characterized in that the air-conditioning further includes any one of the claims 7 to 9
The device based on cold and hot degree control compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967251.5A CN109210717A (en) | 2018-08-23 | 2018-08-23 | Method, apparatus and air-conditioning based on cold and hot degree control compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967251.5A CN109210717A (en) | 2018-08-23 | 2018-08-23 | Method, apparatus and air-conditioning based on cold and hot degree control compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109210717A true CN109210717A (en) | 2019-01-15 |
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| CN201810967251.5A Pending CN109210717A (en) | 2018-08-23 | 2018-08-23 | Method, apparatus and air-conditioning based on cold and hot degree control compressor |
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