CN109210719A - Method based on interior machine blast velocity control cooler compressor - Google Patents
Method based on interior machine blast velocity control cooler compressor Download PDFInfo
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- CN109210719A CN109210719A CN201810967254.9A CN201810967254A CN109210719A CN 109210719 A CN109210719 A CN 109210719A CN 201810967254 A CN201810967254 A CN 201810967254A CN 109210719 A CN109210719 A CN 109210719A
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
Abstract
The invention discloses a kind of methods based on interior machine blast velocity control cooler compressor, which comprises when air conditioner is run, obtains the real-time room temperature in room locating for air conditioner room unit, judges whether the real-time room temperature meets blast velocity control condition；If the real-time room temperature meets the blast velocity control condition, control air-conditioning executes blast velocity control process；The blast velocity control process includes that circulation executes following winding switching control processes: determining the real-time interior machine wind speed of air conditioner room 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 based on interior machine blast velocity control cooler 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 to improve human comfort for adjusting indoor environment comfort.Merely according to compressor frequency
The switching of control winding connection type, although compressor operational efficiency can be improved, do not ensure that the comfortable of indoor environment
Property.
Summary of the invention
The object of the present invention is to provide a kind of methods based on interior machine blast velocity control cooler compressor, promote air conditioner
Overall operation performance.
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 cooler compressor, which comprises
When air conditioner is run, the real-time room temperature in room locating for air conditioner room unit is obtained, judges the real-time room temperature
Whether blast velocity control condition is met；It is warm less than first that the blast velocity control condition includes at least room temperature under cooling operation mode
It spends room temperature under threshold value and heating operation mode and is greater than second temperature threshold value；
If the real-time room temperature meets the blast velocity control condition, control air conditioner executes blast velocity control process；
The blast velocity control process includes that circulation executes following winding switching control processes:
The machine wind speed interior in real time and the first wind speed setting threshold value are made ratio by the real-time interior machine wind speed for determining air conditioner room unit
Compared with；
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；
It is the same of triangle connection type or star-like connection mode in the winding of control compressor during the blast velocity control
When, the operation frequency based on the real-time indoor temperature difference adjustment compressor between the real-time room temperature and room temperature target value
Rate.
Preferably, the method also includes: during the blast velocity 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；
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, the running frequency determined based on the real-time indoor temperature difference is obtained, and make comparisons with setting high frequency value, if described
The running frequency determined based on the real-time indoor temperature difference is not more than the setting high frequency value, and it is high with the setting to control compressor
Frequency value is run as actual motion frequency.
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 blast velocity control condition, control pressure
The winding of contracting machine is triangle connection type.
Method as described above, the real-time interior machine wind speed of the determining air conditioner indoor unit, specifically includes:
The real-time range between indoor occupant and air conditioner indoor unit is determined, according to the corresponding relationship and institute of known distance and wind speed
It states real-time range and determines the machine wind speed interior in real time.
Method as described above, the real-time range of the determining indoor occupant and air conditioner indoor unit, specifically includes:
The heat source in room locating for indoor unit is detected, the real-time range between the heat source and indoor unit is determined, as the room
Real-time range between interior personnel and air conditioner indoor unit.
Preferably, the heat source in room locating for the detection indoor unit, determines real-time between the heat source and indoor unit
Distance specifically includes:
The infrared sensor controlled in indoor unit carries out rotary scanning, the temperature information in scanning range is obtained, according to the temperature
Spend information acquisition heat source temperature curve；
The real-time range between heat source and the heat source and indoor unit in room is determined according to the heat source temperature curve.
Method as described above, the real-time range between the determining indoor occupant and air conditioner room unit, specifically includes:
Between the personnel and indoor unit for obtaining room locating for indoor unit using the infrared distance measurement unit with infrared distance sensor
Real-time range, as the real-time range between the indoor occupant and air conditioner indoor unit.
Compared with prior art, the advantages and positive effects of the present invention are: using control method of the invention, by indoor unit
Real-time interior machine wind speed as switching compressor winding connection condition, in order to realize the comfort of personnel, different
It under interior machine wind speed, needs to make the frequency of air-conditioning different adjustment, that is, it is indoor to be corresponding with realization in difference under machine wind speed
The different control strategies of amenity, therefore, interior machine wind speed reflects the comfort of indoor environment indirectly, adopts with the prior art
It is compared with the switching of compressor frequency control connection type, has both been able to achieve and compressor is controlled based on ambient intelligence, reached environment and relax
Adaptive is taken into account with compressor operational efficiency；Also, although interior machine wind speed is the indirect factor for reflecting compressor operational efficiency,
But adjust compressor frequency make indoor comfortable institute with reference to direct parameter, thus, within machine blast velocity control winding company
The switching for connecing mode can be realized the anticipation to compressor winding connection and control in advance, is swift in response, and control reliability
It is higher.Moreover, just executing blast velocity control mistake when only temperature meets blast velocity control condition indoors by setting blast velocity control condition
Journey can be realized in varied situations by the blast velocity control condition of reasonable set and quickly adjust indoor environment to human body
A home from home control and compressor efficient operation, improve 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 interior machine blast velocity control cooler compressor；
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 cooler 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, which show that the present invention is based on method one of interior machine blast velocity control cooler compressor implementations
The flow chart of example is specifically the compressor control for taking into account one embodiment of amenity and compressor operational efficiency
Method flow diagram.
As shown in Figure 1, the method that the embodiment realizes cooler compressor control includes the following steps the control to be formed
Journey:
Step 101: when air conditioner is run, obtaining the real-time room temperature in room locating for air conditioner, judge that real-time room temperature is
It is no to meet blast velocity control condition.
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.Blast velocity control condition is preset, known
Condition is determined whether that the decision condition of blast velocity control can be executed.It, can be not by the reasonable set blast velocity control condition
With realizing air-conditioning to the pleasant climate of human body in situation.For example, blast velocity control condition includes at least: cooling operation mode
Under, environment temperature is less than the first temperature threshold；Under heating operation mode, environment temperature is greater than second temperature threshold value；And first is warm
It spends threshold value and 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.It is obtaining
After real-time room temperature, corresponding temperature threshold is selected according to air conditioning operating mode, then, by real-time room temperature and is selected
Temperature threshold make comparisons, to judge whether to meet blast velocity control condition.
Step 102: when real-time room temperature meets blast velocity control condition, control air conditioner executes blast velocity control process.
Blast velocity control process referring to step 103 to step 106 description.
Step 103: determine the real-time interior machine wind speed of air conditioner room unit, it will real-time interior machine wind speed and the first wind speed setting threshold
Value is made comparisons.
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 determination of machine wind speed can be realized using the prior art in real time.
As a preferred embodiment, determining the real-time interior machine wind speed between air conditioner indoor unit, specifically include: determining
Real-time range between indoor occupant and air conditioner indoor unit, it is true according to the corresponding relationship and real-time range of known distance and wind speed
Fixed machine wind speed interior in real time.Specifically, it is corresponding with interior machine wind speed that distance is previously stored in the memory of air-conditioning master control borad
Relationship, wherein distance refers to that the distance between indoor occupant and air conditioner indoor unit, interior machine wind speed refer to that indoor unit fan of air conditioner is transported
The speed turned.For different distances, it is corresponding with not exactly the same or complete different wind speed, and distance is bigger, wind speed is got over
It is low.Also, it is preferred that, the corresponding relationship of distance and wind speed is transported under theoretical direction, by a large amount of air-conditioning by research staff
Revolving die draft experiment is obtained, can take into account air-conditioning comfort and energy saving as far as possible.Therefore, obtain real-time range it
Afterwards, real-time range is first found from the corresponding relationship of distance and wind speed, then obtains wind speed corresponding to the real-time range, and
Using the wind speed as real-time interior machine wind speed.
And determine the real-time range of indoor occupant and air conditioner indoor unit, a kind of preferred mode are as follows: locating for detection indoor unit
Heat source in room determines the real-time range between heat source and indoor unit, as the reality between indoor occupant and air conditioner indoor unit
When distance.And the heat source in room is detected, it determines the real-time range between heat source and indoor unit, specifically includes: control indoor unit
In infrared sensor carry out rotary scanning, obtain scanning range in temperature information, according to temperature information obtain heat source temperature
Curve；The real-time range between heat source and heat source and indoor unit in room is determined according to heat source temperature curve.As another kind
Preferred embodiment determines the real-time range between indoor occupant and air conditioner indoor unit, specifically includes: using with infrared distance measurement
The infrared distance measurement unit of sensor obtains the real-time range between the personnel and indoor unit in room locating for indoor unit, as indoor people
Real-time range between member and air conditioner indoor unit.
First wind speed setting threshold value is preset known air speed value, for reflecting the size of indoor unit wind speed.The threshold value can
Preset in a control program a default value, is also possible to a value by air conditioner user's sets itself when being factory,
It can be modified by authorization.Getting in real time after machine wind speed, and the first wind speed setting threshold value comparison size, according to than
Relatively result executes different compressor control processing.
Step 104: 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 105
System；Otherwise, the control of step 106 is executed.
Step 105: if step 104 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 106: if step 104 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 103 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 on-link mode (OLM).
Moreover, controlling the winding of compressor for triangle connection type or in step in step 106 during blast velocity control
While the windings of rapid 105 control compressor are star-like connection mode, based on real-time room temperature and room temperature target value it
Between real-time indoor temperature difference adjustment compressor running frequency, realize the technology that the adjustment of transducer air conditioning temperature is accurate, low energy consumption
Effect.And the running frequency based on real-time indoor temperature difference adjustment compressor, it is preferably based on the indoor temperature difference in real time and carries out PID arithmetic
Or increment type PID operation, determine real-time frequency, control compressor is run with real-time frequency.PID arithmetic or increasing are executed according to deviation
The specific method and realization process of amount formula PID arithmetic control can refer to the prior art.Wherein, room temperature target value is expectation
The temperature value that interior can reach, can be preset default value, or the value for user's sets itself.
Using the cooler compressor control method of the embodiment, after entering blast velocity control process, by the reality of indoor unit
When condition as switching compressor winding connection of interior machine wind speed, in order to realize the comfort of personnel, in different interior machines
It under wind speed, needs to make the frequency of air-conditioning different adjustment, that is, being corresponding with realization indoor environment in difference under machine wind speed
The different control strategies of comfort, therefore, interior machine wind speed reflects the comfort of indoor environment indirectly, with the prior art using pressure
The switching of contracting unit frequency control connection type is compared, and has both been able to achieve and has been controlled compressor based on ambient intelligence, has reached amenity
With taking into account for compressor operational efficiency；Also, although interior machine wind speed is the indirect factor of reflection compressor operational efficiency, but
Be adjust compressor frequency make indoor comfortable with reference to direct parameter, thus, within machine blast velocity control winding connection side
The switching of formula can be realized the anticipation to compressor winding connection and control in advance, is swift in response, and control reliability is more
It is high.Moreover, blast velocity control process is just executed when meeting blast velocity control condition, it can be indoors in the unfavorable situation of temperature
Control of the wind speed to air-conditioning is not considered, is avoided the quick adjusting that can not achieve room temperature due to blast velocity control and is influenced human body and relax
The generation of the problem of adaptive.Thus, it is possible to realize that air-conditioning is high to the pleasant climate and compressor of human body in varied situations
Effect operation, improves operation of air conditioner performance.
Fig. 2 is referred to, which show that the present invention is based on another realities of the method for interior machine blast velocity control cooler compressor
The flow chart of example is applied, specifically, and takes into account the compressor of one embodiment of amenity and compressor operational efficiency
Control method flow chart.
As shown in Fig. 2, the method that the embodiment realizes cooler compressor control includes the following steps the process to be formed:
Step 201: when air conditioner is run, obtaining the real-time room temperature in room locating for air-conditioning, whether judge real-time room temperature
Meet blast velocity control condition.If not satisfied, step 202 is executed, if satisfied, going to step 203.Whether judge real-time room temperature
Meet the detailed process of blast velocity control condition referring to the description of Fig. 1 embodiment corresponding steps.
Step 202: if room temperature is unsatisfactory for blast velocity control condition in real time, controlling the winding of compressor as triangle company
Connect mode.
As previously mentioned, blast velocity 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 blast velocity control item
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.
When real-time room temperature meets blast velocity control condition, control air-conditioning executes blast velocity control process.Blast velocity control mistake
Journey referring to step 203 to step 208 description.
Step 203: determine the real-time interior machine wind speed of air conditioner room 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 204: whether machine wind speed is less than the first wind speed setting threshold value in judgement in real time.If so, executing step 208；It is no
Then, step 205 is executed.
Step 205: if step 204 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 206 or step 207.
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 206: 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 will also be adjusted, specifically it is based on real-time room temperature and Indoor Temperature
The running frequency for spending the real-time indoor temperature difference adjustment compressor between target value, realizes that transducer air conditioning temperature adjusts accurate, energy
Consume low technical effect.More specific frequency adjustment process referring to Fig. 1 embodiment corresponding description.
Step 207: 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 with the frequency operation not less than setting high frequency value.Specifically, it obtains and is based on first
The running frequency that the interior temperature difference determines in real time, and make comparisons with setting high frequency value, if the operation determined based on the real-time indoor temperature difference
Frequency is run no more than setting high frequency value, control compressor using setting high frequency value as actual motion frequency.Certainly, if be based on
The running frequency that the interior temperature difference determines in real time is greater than setting high frequency value, then the running frequency control to be determined based on the real-time indoor temperature difference
Compressor processed operation, thus, reach in quickly-conditioning indoor temperature to the technical effect of level of comfort.
Step 208: if step 204 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, specifically it is also based on real-time room
The running frequency of real-time indoor temperature difference adjustment compressor between interior temperature and room temperature target value, realizes transducer air conditioning temperature
The technical effect that degree adjustment is accurate, low energy consumption.More specific frequency adjustment process referring to Fig. 1 embodiment corresponding description.
It is triangle in the winding of control compressor during winding switching control in some other preferred embodiment
While shape connection type, the running frequency of control compressor is not less than setting critical frequency.Wherein, setting critical frequency is
Known frequency values, generally the compressor frequency values that operational efficiency is transferred under two kinds of winding connections, Ke Yigen
It is determined according to compressor operational efficiency curve.Minimum fortune is made by the running frequency to compressor under triangle connection type as a result,
The restriction of line frequency, so that compressor maintains higher operational efficiency under the winding connection.
Likewise, during winding switching control, while the winding for controlling compressor is star-like connection mode, control
The running frequency of compressor processed is less than setting critical frequency.Pass through the running frequency to compressor under star-like connection mode as a result,
Make the restriction of maximum frequency of operation, 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.
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 (9)
1. a kind of method based on interior machine blast velocity control cooler compressor, which is characterized in that the described method includes:
When air conditioner is run, the real-time room temperature in room locating for air conditioner room unit is obtained, judges the real-time room temperature
Whether blast velocity control condition is met；It is warm less than first that the blast velocity control condition includes at least room temperature under cooling operation mode
It spends room temperature under threshold value and heating operation mode and is greater than second temperature threshold value；
If the real-time room temperature meets the blast velocity control condition, control air conditioner executes blast velocity control process；
The blast velocity control process includes that circulation executes following winding switching control processes:
The machine wind speed interior in real time and the first wind speed setting threshold value are made ratio by the real-time interior machine wind speed for determining air conditioner room unit
Compared with；
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；
It is the same of triangle connection type or star-like connection mode in the winding of control compressor during the blast velocity control
When, the operation frequency based on the real-time indoor temperature difference adjustment compressor between the real-time room temperature and room temperature target value
Rate.
2. the method according to claim 1, wherein the method also includes: during the blast velocity 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.
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；
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, the running frequency determined based on the real-time indoor temperature difference is obtained, and make comparisons with setting high frequency value, if described
The running frequency determined based on the real-time indoor temperature difference is not more than the setting high frequency value, and it is high with the setting to control compressor
Frequency value is run as actual motion frequency.
4. 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.
5. the method according to claim 1, wherein the method also includes:
If the real-time room temperature is unsatisfactory for the blast velocity control condition, the winding for controlling compressor is triangle connection side
Formula.
6. the method according to any one of claims 1 to 5, which is characterized in that the determining air conditioner indoor unit it is real-time
Interior machine wind speed, specifically includes:
The real-time range between indoor occupant and air conditioner indoor unit is determined, according to the corresponding relationship and institute of known distance and wind speed
It states real-time range and determines the machine wind speed interior in real time.
7. according to the method described in claim 6, it is characterized in that, the determining indoor occupant and air conditioner indoor unit it is real-time away from
From specifically including:
The heat source in room locating for indoor unit is detected, the real-time range between the heat source and indoor unit is determined, as the room
Real-time range between interior personnel and air conditioner indoor unit.
8. the method according to the description of claim 7 is characterized in that the heat source in room locating for the detection indoor unit, determines
Real-time range between the heat source and indoor unit, specifically includes:
The infrared sensor controlled in indoor unit carries out rotary scanning, the temperature information in scanning range is obtained, according to the temperature
Spend information acquisition heat source temperature curve；
The real-time range between heat source and the heat source and indoor unit in room is determined according to the heat source temperature curve.
9. according to the method described in claim 6, it is characterized in that, reality between the determining indoor occupant and air conditioner indoor unit
When distance, specifically include:
Between the personnel and indoor unit for obtaining room locating for indoor unit using the infrared distance measurement unit with infrared distance sensor
Real-time range, as the real-time range between the indoor occupant and air conditioner indoor unit.
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