CN109210713A - Method and apparatus based on interior machine blast velocity control compressor of air conditioner - Google Patents
Method and apparatus based on interior machine blast velocity control compressor of air conditioner Download PDFInfo
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- CN109210713A CN109210713A CN201810966459.5A CN201810966459A CN109210713A CN 109210713 A CN109210713 A CN 109210713A CN 201810966459 A CN201810966459 A CN 201810966459A CN 109210713 A CN109210713 A CN 109210713A
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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
- F24F2110/30—Velocity
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of method and apparatus based on interior machine blast velocity control compressor of air conditioner, the described method includes: circulation executes following winding switching control processes: determining the real-time interior machine wind speed of air conditioner indoor unit, the machine wind speed interior in real time is made comparisons with the first wind speed setting threshold value；If the machine wind speed interior in real time is not less than the first wind speed setting threshold value, the winding for controlling compressor is triangle connection type；If the machine wind speed interior in real time is less than the first wind speed setting threshold value, 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 conditioner.
Description
Technical field
The invention belongs to air-conditioning technique fields, specifically, being to be related to the control of air conditioner, more specifically, are
It is related to the method and apparatus based on interior machine blast velocity control compressor of air conditioner.
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.
Summary of the invention
The object of the present invention is to provide a kind of method and apparatus based on interior machine blast velocity control compressor of air conditioner, promote air-conditioning
The overall operation performance of device.
For achieving the above object, method provided by the invention, which adopts the following technical solutions, is achieved:
A method of based on interior machine blast velocity control compressor of air conditioner, which comprises
Circulation executes following winding switching control processes:
The real-time interior machine wind speed between indoor occupant and air conditioner indoor unit is determined, by the machine wind speed interior in real time and the first setting wind
Fast threshold value is made comparisons；
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value, the winding of compressor is controlled as triangle connection
Mode；
If the machine wind speed interior in real time is less than the first wind speed setting threshold value, the winding for controlling compressor is star-like connection side
Formula.
Preferably, the method also includes: during the winding switching control,
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:
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value, then the machine wind speed and second interior in real time
Wind speed setting threshold value；The second wind speed setting threshold value is greater than the first wind speed setting threshold value；
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value and is not more than the second wind speed setting threshold
Value, while the winding for controlling compressor is triangle connection type, corresponding relationship based on known wind speed and frequency and
The running frequency of the machine air rate adjustment compressor interior in real time.
Preferably, the method also includes:
It is triangle connection in the winding of control compressor if the machine wind speed interior in real time is greater than the second wind speed setting threshold value
While mode, compressor is controlled to fix running frequency operation.
Preferably, the method also includes:
While the winding for controlling compressor is star-like connection mode, corresponding relationship and institute based on known wind speed and frequency
State the running frequency of machine air rate adjustment compressor in real time.
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: air-conditioning booting after, operation of air conditioner meet setting service condition after, execute institute
State winding switching control process.
Preferably, the method also includes:
After air-conditioning booting, when operation of air conditioner does not meet the setting service condition, the winding of compressor is controlled as triangle connection
Mode.
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 interior machine blast velocity control compressor of air conditioner, described device include:
Compressor winding control unit is triangle connection type or star-like connection mode for controlling compressor winding；
Machine wind speed acquiring unit in real time, for obtaining the real-time interior machine wind speed of air conditioner indoor unit；
Machine wind speed comparing unit in real time for the machine wind speed interior in real time to be made comparisons with wind speed setting threshold value, and exports ratio
Relatively result；The wind speed setting threshold value includes at least the first wind speed setting threshold value；
The compressor winding control unit is the machine interior in real time in the output result of the machine wind speed comparing unit interior in real time
The winding of control compressor is triangle connection type when wind speed is not less than the first wind speed setting threshold value, also in the machine interior in real time
The output result of wind speed comparing unit is that the machine wind speed interior in real time controls compressor when being less than the first wind speed setting threshold value
Winding be star-like connection mode.
Preferably, described device further include:
Compressor frequency control unit is at least used for during winding switching control, in the compressor winding control unit
While the winding for controlling compressor is triangle connection type, the running frequency of compressor is controlled not less than the critical frequency of setting
Rate；While the winding of compressor winding control unit control compressor is star-like connection mode, compressor is controlled
Running frequency is less than the setting critical frequency.
Compared with prior art, the advantages and positive effects of the present invention are: being filled using control method of the invention and control
It sets, using the real-time interior machine wind speed of indoor unit as the condition of switching compressor winding connection, in order to realize that personnel's is comfortable
Property, under different interior machine wind speed, need to make the frequency of air-conditioning different adjustment, that is, in difference under machine wind speed, it is corresponding
There are the different control strategies for realizing indoor environment comfort, therefore, interior machine wind speed reflects the comfort of indoor environment indirectly, with
The prior art is compared using the switching of compressor frequency control connection type, has both been able to achieve and has been controlled compressor based on ambient intelligence,
Reach taking into account for amenity and compressor operational efficiency；Also, although interior machine wind speed is reflection compressor operational efficiency
Indirect factor, but adjust compressor frequency make indoor comfortable with reference to direct parameter, thus, within machine wind speed
The switching of control winding connection type can be realized the anticipation to compressor winding connection and control in advance, is swift in response,
It is higher to control reliability.
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 interior machine blast velocity control compressor of air conditioner；
Fig. 2 is that the present invention is based on the flow charts of another embodiment of the method for interior machine blast velocity control compressor of air conditioner；
Fig. 3 is that the present invention is based on the structural block diagrams of device one embodiment of interior machine blast velocity control compressor of air conditioner.
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, which show that the present invention is based on method one embodiment of interior machine blast velocity control compressor of air conditioner
Flow chart be specifically the compressor control side for taking into account one embodiment of amenity and compressor operational efficiency
Method flow chart.
As shown in Figure 1, the method that the embodiment realizes compressor of air conditioner control includes the following steps that the winding to be formed switches
Control process:
Step 101: determine the real-time interior machine wind speed of air conditioner indoor unit, will it is real-time in machine wind speed and the first wind speed setting threshold value make ratio
Compared with.
Machine wind speed in real time is the interior that constantly obtains and update according to setting sample frequency after air-conditioning booting operation
The speed of blower, the speed can easily be obtained by indoor machine controller.First wind speed setting threshold value is preset known wind
Speed value, for reflecting the size of indoor unit wind speed.The threshold value can be preset in a control program default value when factory,
It is also possible to a value by air conditioner user's sets itself, can be modified by authorization.Getting machine wind speed in real time
Later, with the first wind speed setting threshold value comparison size, different compressor controls is executed according to comparison result and is handled.
Step 102: whether machine wind speed is less than the first wind speed setting threshold value in judgement in real time.If so, executing the control of step 103
System；Otherwise, the control of step 104 is executed.
Step 103: if step 102 determines that machine wind speed will control compressor less than the first wind speed setting threshold value in real time
Winding be star-like connection mode.
If machine wind speed is less than the first wind speed setting threshold value in real time, interior machine wind speed is smaller in real time at this time.Wind speed is small, a side
Face shows that indoor occupant is small to the air-out volume demand after air-conditioning heat exchange, namely the demand to indoor temperature control is small, on the other hand
The air quantity for participating in indoor heat exchanger heat exchange is also small.In this case, to avoid outlet air due to temperature is not suitable for blowing on human body
Cause discomfort, cause waste energy consumption also for avoiding heat exchanger heat exchange property superfluous, compressor will generally be run with low frequency.
Therefore, the winding for controlling compressor in advance is star-like connection mode, can obtain under subsequent compression machine low frequency operating status
Obtain more preferably compressor operational efficiency.
Step 104: if step 102 determines that machine wind speed compresses control not less than the first wind speed setting threshold value in real time
The winding of machine is triangle connection type.
If machine wind speed is not less than the first wind speed setting threshold value in real time, interior machine wind speed is larger in real time at this time.Wind speed is big, and one
Aspect shows that indoor occupant is big to the air-out volume demand after air-conditioning heat exchange, namely the demand to indoor temperature control is big, another party
The air quantity that face participates in indoor heat exchanger heat exchange is also big.In this case, being raising personnel comfort, and also to increase interior
The heat exchange property of heat exchanger meets Wind Volume heat exchange demand, and compressor will generally run with high-frequency.Therefore, control is pressed in advance
The winding of contracting machine is triangle connection type, can obtain more preferably compressor under subsequent compression machine high-frequency operating status
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 execute step 101 obtain in real time in machine wind speed and after
Which kind of winding connection is continuous multilevel iudge process, meet, then controls compressor winding and be switched to the connection type.
Using the cooler compressor control method of the embodiment, compressed the real-time interior machine wind speed of indoor unit as switching
The condition of machine winding connection under different interior machine wind speed, needs the frequency to air-conditioning to realize the comfort of personnel
Make different adjustment, that is, the different control strategies for realizing indoor environment comfort are corresponding in difference under machine wind speed, because
This, interior machine wind speed reflects the comfort of indoor environment indirectly, with the prior art using compressor frequency control connection type
Switching is compared, and has both been able to achieve and has been controlled compressor based on ambient intelligence, and taking into account for amenity and compressor operational efficiency is reached；
Also, although interior machine wind speed is to reflect the indirect factor of compressor operational efficiency, but adjust compressor frequency and make room
It is interior it is comfortable with reference to direct parameter, thus, within machine blast velocity control winding connection switching, can be realized to compression
It the anticipation of machine winding connection and controls, is swift in response in advance, control reliability is higher.
Refer to Fig. 2, the figure show the present invention is based on the method for interior machine blast velocity control compressor of air conditioner another implementation
The flow chart of example, specifically, and takes into account the compressor control of one embodiment of amenity and compressor operational efficiency
Method flow diagram processed.
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: air-conditioning booting operation.
Step 202: judge whether operation of air conditioner meets setting service condition, and according to judging result execute step 203 or
Person's step 204.
Setting service condition be for judge Air conditioners running mode if appropriate for execute winding switching control process condition,
The running frequency that runing time including but not limited to after air conditioner booting reaches after setting runing time or booting reaches and sets
Determine running frequency.
Step 203: if step 202 determine operation of air conditioner do not meet setting service condition also, by control compressor around
Group is triangle connection type.
Generally, air-conditioning can reach setting service condition with faster speed, also, after air-conditioning booting, air-conditioning one
As be all high frequency operation, rapidly reach higher frequency.In light of this situation, in this embodiment, by triangle connection side
Initial connection mode of the formula as compressor winding after booting avoids continually switching winding connection in the operation of air conditioner initial stage
Mode.
Meanwhile in the control stage, compressor operating frequency is not construed as limiting, can be run for the frequency of putting of non-frequency limit,
It is fixed and for higher frequency to be also possible to operation one, realizes the quick adjusting of room temperature.
Step 204: if step 202 determines that operation of air conditioner meets setting service condition, will execute based on interior machine in real time
The winding connection of wind speed controls.
It specifically, is the real-time interior machine wind speed of determining air conditioner indoor unit, it will real-time interior machine wind speed and the first wind speed setting
Threshold value is made comparisons.The step more specifically realizes corresponding description of the process refering to fig. 1 in embodiment corresponding steps.
Step 205: whether machine wind speed is less than the first wind speed setting threshold value in judgement in real time.If so, executing step 209；It is no
Then, step 206 is executed.
Step 206: if step 205 determines that machine wind speed is real-time not less than the first wind speed setting threshold value, then relatively in real time
The size of interior machine wind speed and the second wind speed setting threshold value judges whether machine wind speed is greater than the second wind speed setting threshold value in real time.Root
It is judged that result executes the control of step 207 or step 208.
Wherein, the second wind speed setting threshold value is greater than the first wind speed setting threshold value and preset numerical value, reflects indoor machine wind
The size of speed.Likewise, the second wind speed setting threshold value can be preset in a control program default value when factory, it can also
To be a value by air conditioner user's sets itself, can be modified by authorization.
Step 207: if it is determined that machine wind speed is not less than the first wind speed setting threshold value and no more than the second setting wind in real time
Fast threshold value shows that machine wind speed is of moderate size in real time, is triangle connection type by the winding for controlling compressor, to improve compression
Machine operational efficiency.Meanwhile compressor operating frequency to also be adjusted, specifically pair based on known wind speed and frequency
Should be related to and in real time in machine air rate adjustment compressor running frequency, realize that the adjustment of transducer air conditioning temperature is accurate, low energy consumption
Technical effect.
Specifically, being previously stored with the corresponding relationship of wind speed and frequency in the memory of air-conditioning master control borad, wherein wind speed
Refer to the operating air velocity of air conditioner indoor unit, frequency refers to the running frequency of compressor.Preferably, the corresponding relationship of wind speed and frequency
Be by research staff under theoretical direction, it is obtained by a large amount of operation of air conditioner simulated experiment, sky can be taken into account as far as possible
Adjust air-supply comfort and energy saving.Corresponding relationship between wind speed and frequency can be calculated by specific calculation
A kind of relationship is also possible to the one-to-one relationship by way of table.It is calculated if it is by calculation, in advance
Calculation is first stored, is obtaining in real time after machine wind speed, is being calculated in real time according to real-time interior machine wind speed and calculation
The corresponding frequency of machine wind speed.If the one-to-one relationship formed by way of table, obtain in real time machine wind speed it
Afterwards, the mode tabled look-up can be taken to read out the corresponding frequency of machine wind speed in real time according to real-time interior machine wind speed.Pass through wind speed tune
Whole compressor operating frequency can be improved outlet air comfort, and then improve personnel's comfort, can also reduce energy consumption.
Step 208: if it is determined that in real time in machine wind speed be greater than the second wind speed setting threshold value, show in real time in machine wind speed compared with
It greatly, is triangle connection type by the winding of compressor is controlled, to improve compressor operational efficiency.Meanwhile compressor is run
Frequency will also adjust, and control compressor specifically to fix running frequency operation, and the fixation running frequency is generally
Higher frequency reaches in quickly-conditioning indoor temperature to the technical effect of level of comfort.
Step 209: if step 205 determines that machine wind speed will control compressor less than the first wind speed setting threshold value in real time
Winding be star-like connection mode.
If machine wind speed is less than the first wind speed setting threshold value in real time, interior machine wind speed is smaller in real time at this time.Wind speed is small, a side
Face shows that indoor occupant is small to the air-out volume demand after air-conditioning heat exchange, namely the demand to indoor temperature control is small, on the other hand
The air quantity for participating in indoor heat exchanger heat exchange is also small.In this case, to avoid outlet air due to temperature is not suitable for blowing on human body
Cause discomfort, cause waste energy consumption also for avoiding heat exchanger heat exchange property superfluous, compressor will generally be run with low frequency.
Therefore, the winding for controlling compressor in advance is star-like connection mode, can obtain under subsequent compression machine low frequency operating status
Obtain more preferably compressor operational efficiency.Meanwhile compressor operating frequency will also be adjusted, it is specifically also based on known
The running frequency of the corresponding relationship and real-time interior machine air rate adjustment compressor of wind speed and frequency, realizes the adjustment of transducer air conditioning temperature
Accurately, the technical effect that low energy consumption.More specific frequency adjusting method referring to step 207 description.
In some other preferred embodiment, in the step 207 and step 208 of winding switching control, compressed in control
While the winding of machine is triangle connection type, the running frequency of control compressor is not less than setting critical frequency.Wherein,
Setting critical frequency is known frequency values, and generally compressor operational efficiency under two kinds of winding connections is transferred
Frequency values can be determined according to compressor operational efficiency curve.Pass through the operation to compressor under triangle connection type as a result,
Frequency makees the restriction of minimum running frequency, so that compressor maintains higher operational efficiency under the winding connection.
And while the winding of the step 209 of winding switching control control compressor is star-like connection mode, control pressure
The running frequency of contracting machine is less than setting critical frequency.Made most by the running frequency to compressor under star-like connection mode as a result,
The restriction of big running frequency, so that compressor also maintains higher operational efficiency under the winding connection.
Cooler compressor is controlled using the method for the embodiment, had both been able to achieve based on environmental amenity degree intelligent control pressure
Contracting machine reaches taking into account for amenity and compressor operational efficiency, not will cause compressor also because continually switching winding connects
The comfort for reducing indoor environment brought by mode, the generation for reducing the problem of compressor service life are connect, air-conditioning is improved
Device 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.
Fig. 3 is referred to, which show that the present invention is based on device one embodiment of interior machine blast velocity control compressor of air conditioner
Structural 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:
Machine wind speed acquiring unit 301 in real time, for obtaining the real-time interior machine wind speed between air conditioner indoor unit.
Machine wind speed comparing unit 302 in real time, for the machine wind speed interior in real time to be made comparisons with wind speed setting threshold value, and
Export comparison result；Wind speed setting threshold value includes at least the first wind speed setting threshold value.
Compressor winding control unit 303, the winding for controlling compressor 304 are that triangle connection type or star connect
Connect mode.It specifically, is that the connection of compressor winding is controlled according to the comparison result of interior 302 output of machine wind speed comparing unit in real time
Mode.Further, compressor winding control unit 303 is real-time in the output result of real-time interior machine wind speed comparing unit 302
The winding of control compressor is triangle connection type when interior machine wind speed is not less than the first wind speed setting threshold value, also in real-time interior machine
The output result of wind speed comparing unit 302 is the winding of control compressor when interior machine wind speed is less than the first wind speed setting threshold value in real time
For star-like connection mode.
As preferred embodiment, control device can also include:
Compressor frequency control unit, at least for being controlled in compressor winding control unit 303 during winding switching control
While the winding of compressor 304 processed is triangle connection type, the running frequency of control compressor 304 is critical not less than setting
Frequency；While the winding that compressor winding control unit 303 controls compressor 304 is star-like connection mode, control compression
The running frequency of machine 304 is less than setting critical frequency.
Compressor control device with above structure can be applied in air-conditioning, run corresponding software program, and press
Compressor operation control is executed according to the process of Fig. 1, Fig. 2 or other preferred embodiments, is realized based on environmental amenity degree intelligence
Compressor is controlled, taking into account for amenity and compressor operational efficiency, promotion air conditioner overall performance are reached.It is more specifically former
Reason and process 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 interior machine blast velocity control compressor of air conditioner, which is characterized in that the described method includes:
Circulation executes following winding switching control processes:
The real-time interior machine wind speed for determining air conditioner indoor unit makes comparisons the machine wind speed interior in real time with the first wind speed setting threshold value；
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value, the winding of compressor is controlled as triangle connection
Mode；
If the machine wind speed interior in real time is less than the first wind speed setting threshold value, the winding for controlling compressor is star-like connection side
Formula.
2. the method according to claim 1, wherein the method also includes: in the winding switching control
Cheng Zhong,
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:
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value, then the machine wind speed and second interior in real time
Wind speed setting threshold value；The second wind speed setting threshold value is greater than the first wind speed setting threshold value；
If the machine wind speed interior in real time is not less than the first wind speed setting threshold value and is not more than the second wind speed setting threshold
Value, while the winding for controlling compressor is triangle connection type, corresponding relationship based on known wind speed and frequency and
The running frequency of the machine air rate adjustment compressor interior in real time.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
It is triangle connection in the winding of control compressor if the machine wind speed interior in real time is greater than the second wind speed setting threshold value
While mode, compressor is controlled to fix running frequency operation.
5. 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, corresponding relationship and institute based on known wind speed and frequency
State the running frequency of machine air rate adjustment compressor in real time.
6. 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.
7. method according to any one of claim 1 to 6, which is characterized in that the method also includes:
After air-conditioning booting, after operation of air conditioner satisfaction setting service condition, the winding switching control process is executed.
8. the method according to the description of claim 7 is characterized in that the method also includes:
After air-conditioning booting, when operation of air conditioner does not meet the setting service condition, the winding of compressor is controlled as triangle connection
Mode.
9. a kind of device based on interior machine blast velocity control compressor of air conditioner, which is characterized in that described device includes:
Compressor winding control unit is triangle connection type or star-like connection mode for controlling compressor winding；
Machine wind speed acquiring unit in real time, for obtaining the real-time interior machine wind speed of air conditioner indoor unit；
Machine wind speed comparing unit in real time for the machine wind speed interior in real time to be made comparisons with wind speed setting threshold value, and exports ratio
Relatively result；The wind speed setting threshold value includes at least the first wind speed setting threshold value；
The compressor winding control unit is the machine interior in real time in the output result of the machine wind speed comparing unit interior in real time
The winding of control compressor is triangle connection type when wind speed is not less than the first wind speed setting threshold value, also in the machine interior in real time
The output result of wind speed comparing unit is that the machine wind speed interior in real time controls compressor when being less than the first wind speed setting threshold value
Winding be star-like connection mode.
10. device according to claim 9, which is characterized in that described device further include:
Compressor frequency control unit is at least used for during winding switching control, in the compressor winding control unit
While the winding for controlling compressor is triangle connection type, the running frequency of compressor is controlled not less than the critical frequency of setting
Rate；While the winding of compressor winding control unit control compressor is star-like connection mode, compressor is controlled
Running frequency is less than the setting critical frequency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810966459.5A CN109210713A (en) | 2018-08-23 | 2018-08-23 | Method and apparatus based on interior machine blast velocity control compressor of air conditioner |
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| CN201810966459.5A CN109210713A (en) | 2018-08-23 | 2018-08-23 | Method and apparatus based on interior machine blast velocity control compressor of air conditioner |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009216324A (en) * | 2008-03-11 | 2009-09-24 | Toshiba Carrier Corp | Air conditioner |
| CN104314796A (en) * | 2014-10-21 | 2015-01-28 | 芜湖美智空调设备有限公司 | Compressor frequency controlling method, compressor frequency controlling device and air conditioner |
| CN107395093A (en) * | 2017-07-28 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compressor and air conditioner |
| WO2018078835A1 (en) * | 2016-10-31 | 2018-05-03 | 三菱電機株式会社 | Air conditioner and air-conditioner control method |
| CN108336941A (en) * | 2018-01-03 | 2018-07-27 | 广东美芝制冷设备有限公司 | Control circuit, control method, permanent magnet synchronous motor, compressor and storage medium |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009216324A (en) * | 2008-03-11 | 2009-09-24 | Toshiba Carrier Corp | Air conditioner |
| CN104314796A (en) * | 2014-10-21 | 2015-01-28 | 芜湖美智空调设备有限公司 | Compressor frequency controlling method, compressor frequency controlling device and air conditioner |
| WO2018078835A1 (en) * | 2016-10-31 | 2018-05-03 | 三菱電機株式会社 | Air conditioner and air-conditioner control method |
| CN107395093A (en) * | 2017-07-28 | 2017-11-24 | 广东美芝制冷设备有限公司 | Compressor and air conditioner |
| CN108336941A (en) * | 2018-01-03 | 2018-07-27 | 广东美芝制冷设备有限公司 | Control circuit, control method, permanent magnet synchronous motor, compressor and storage medium |
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Application publication date: 20190115 |