CN102589082A - Frequency conversion control method and device and air conditioner - Google Patents
Frequency conversion control method and device and air conditioner Download PDFInfo
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- CN102589082A CN102589082A CN2011100031877A CN201110003187A CN102589082A CN 102589082 A CN102589082 A CN 102589082A CN 2011100031877 A CN2011100031877 A CN 2011100031877A CN 201110003187 A CN201110003187 A CN 201110003187A CN 102589082 A CN102589082 A CN 102589082A
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Abstract
The invention discloses a frequency conversion control method and a device and an air conditioner, wherein the frequency conversion control method comprises the steps: an outdoor unit controller acquires an indoor environment temperature value and a set temperature value; and the outdoor unit controller confirms the frequency of a compressor through the indoor environment temperature value and the set temperature value. By means of the frequency conversion control method and the device and the air conditioner, the generality of the frequency conversion control method of the air conditioner can be improved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of method for controlling frequency conversion and device, air-conditioner.
Background technology
Method for controlling frequency conversion in the correlation technique normally carries out through the information of obtaining indoor units; If the interior machine that the user selects for use is different manufacturers production with outer machine; Control panel in then need changing on the machine, outer machine could be realized VFC, this kind control method versatility is bad.
Summary of the invention
Propose the present invention to the bad problem of the method for controlling frequency conversion versatility of air-conditioner in the correlation technique, for this reason, main purpose of the present invention is to provide a kind of method for controlling frequency conversion and device, air-conditioner, to address the above problem.
To achieve these goals, according to an aspect of the present invention, a kind of method for controlling frequency conversion is provided.This method for controlling frequency conversion comprises: outdoor controller obtains indoor environment temperature value and set temperature value; Said outdoor controller is confirmed the frequency of compressor through said indoor environment temperature value and said set temperature value.
Further, outdoor controller obtains the indoor environment temperature value and set temperature value comprises: said outdoor controller obtains said indoor environment temperature value and said set temperature value through manual operator, and wherein, said manual operator is provided with temperature sensing device.
Further, said outdoor controller obtains said indoor environment temperature value through manual operator and said set temperature value comprises: said outdoor controller sends solicited message to said manual operator; And said manual operator is sent to said outdoor controller with said indoor environment temperature value and said set temperature value after obtaining described request information.
Further, described request information comprises: temperature value, load condition and fault message that said off-premises station is gathered.
Further; Said outdoor controller confirms that through said indoor environment temperature value and said set temperature value the frequency of compressor comprises: said outdoor controller is opened said compressor according to original frequency, the frequency of the said compressor that before the indoor environment temperature value does not reach said set temperature value, raises; And when said indoor environment temperature value reaches said set temperature value, reduce the frequency of said compressor.
Further; Said outdoor controller is opened said compressor according to original frequency; The frequency of the said compressor of rising does not comprise before the indoor environment temperature value reaches said set temperature value: said outdoor controller is after opening said compressor; Every interval very first time is with the raise frequency of said compressor of the speed of 1Hz/s; When said indoor environment temperature value reached said set temperature value, the frequency that reduces said compressor comprised: second time of every interval is reduced the frequency of said compressor with the speed of 1Hz/s.
To achieve these goals, according to a further aspect in the invention, a kind of frequency-converting control device is provided.This frequency-converting control device comprises: outdoor controller is used to obtain indoor environment temperature value and set temperature value, and confirms the frequency of compressor through said indoor environment temperature value and said set temperature value.
Further; This frequency-converting control device also comprises: manual operator, and this manual operator comprises: temperature sensing device is used to obtain said indoor environment temperature value; And receiving system; Be used to receive said set temperature value, wherein, said outdoor controller is used to obtain said indoor environment temperature value and the set temperature value from said manual operator.
Further, adopt the RS-485 bus communication between said manual operator and the said outdoor controller.
To achieve these goals, according to a further aspect in the invention, a kind of air-conditioner is provided.This air-conditioner comprises above-mentioned according to frequency-converting control device of the present invention.
Through the present invention, adopt outdoor controller to obtain indoor environment temperature value and set temperature value; Said outdoor controller is confirmed the method for the frequency of compressor through said indoor environment temperature value and said set temperature value; Solve the bad problem of method for controlling frequency conversion versatility of air-conditioner in the correlation technique, and then reached the effect that improves the method for controlling frequency conversion versatility of air-conditioner.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the method for controlling frequency conversion of the embodiment of the invention;
Fig. 2 is the sketch map according to the frequency-changing control system of the embodiment of the invention; And
Fig. 3 is the sketch map according to the manual operator of the embodiment of the invention.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Fig. 1 is the sketch map according to the method for controlling frequency conversion of the embodiment of the invention.
As shown in Figure 1, this method comprises following step:
Step S102, outdoor controller obtain indoor environment temperature value and set temperature value.
For example, can temperature sensing device be set on manual operator, at this moment, outdoor controller can obtain said indoor environment temperature value and said set temperature value through manual operator.
Particularly, said outdoor controller obtains said indoor environment temperature value through manual operator and said set temperature value can comprise:
Said outdoor controller sends solicited message to said manual operator;
Said manual operator is sent to said outdoor controller with said indoor environment temperature value and said set temperature value after obtaining described request information.
Wherein, above-mentioned solicited message can comprise: temperature value, load condition and fault message etc. that said off-premises station is gathered.
Step S104, said outdoor controller confirm the frequency of compressor through said indoor environment temperature value and said set temperature value.
For example, said outdoor controller confirms that through said indoor environment temperature value and said set temperature value the frequency of compressor comprises:
Said outdoor controller is opened said compressor according to original frequency, the frequency of the said compressor that before the indoor environment temperature value does not reach set temperature value, raises;
When said indoor environment temperature value reaches said set temperature value, reduce the frequency of said compressor.
Preferably; Said outdoor controller is opened said compressor according to original frequency; The frequency of said compressor of before the indoor environment temperature value reaches set temperature value, raising does not comprise: said outdoor controller is after opening said compressor according to original frequency, and every interval very first time is with the raise frequency of said compressor of the speed of 1Hz/s; When said indoor environment temperature value reached said set temperature value, the frequency that reduces said compressor comprised: second time of every interval is reduced the frequency of said compressor with the speed of 1Hz/s.
This method for controlling frequency conversion need not obtain the parameter of indoor set, but the indoor set of each producer of wildcard; And need not change the control of indoor set, only need to obtain the indoor environment temperature and the set temperature value of manual operator, control the loading and the unloading of DC frequency-changeable compressor through this information through the RS-485 communication; Control is simple; Versatility is good, adopts the Energy Efficiency Ratio of this kind method for controlling frequency conversion very high, and can realize subzero 15 ℃ of cryogenic refrigerations.
Because the minimum permit standard of the U.S. that was SEER13 originally is about to change; Most of standard will change to SEER14 or 15, and each big continental United States producer all developed the above product of SEER18, along with convertible frequency air-conditioner to the direction Development Trend of high energy efficiency more; Preferably; The application's method for controlling frequency conversion is more suitable for the convertible frequency air-conditioner of high energy efficiency, for example, and the outer machine of U.S.'s family formula.
Above-mentioned method for controlling frequency conversion versatility is good, and Energy Efficiency Ratio is high, can realize subzero 15 ℃ of cryogenic refrigerations.
Fig. 2 is the sketch map according to the frequency-changing control system of the embodiment of the invention.
As shown in Figure 2, this frequency-changing control system comprises manual operator, outdoor controller and indoor set.
Wherein, can adopt the RS-485 bus communication between manual operator and the outdoor controller, preferably; Distance can adopt common connecting line in 100 meters the time, and does not need twisted-pair feeder, and the A line of RS-485 bus and B line be polarity not; A, B line connect instead also can operate as normal, makes things convenient for the engineering wiring.
Can directly adopt the line traffic control mode between manual operator and the indoor set, manual operator is directly controlled the load of indoor set, does not obtain any information of indoor set.
Fig. 3 is the sketch map according to the manual operator of the embodiment of the invention.
As shown in Figure 3, this manual operator comprises microprocessor, LCD display circuit, clock circuit, key circuit, relay drive circuit, power circuit, interface circuit, memory circuit and RS-485 telecommunication circuit.
Wherein, LCD display circuit, clock circuit, key circuit, relay drive circuit, power circuit, interface circuit, memory circuit and RS-485 telecommunication circuit are connected to microprocessor respectively, so that the various piece of this microprocessor control manual operator.
Indoor environment bulb is arranged on the manual operator, can detect indoor environment temperature, the user can be provided with design temperature on manual operator.Manual operator adopts nonpolarity RS-485 design of communication, and connecing inverse time at the A of RS-485 bus line and B line also can operate as normal.
Adopt the RS-485 bus communication between manual operator and the outdoor controller; Communication is initiated with outdoor controller; Off-premises station sends to manual operator to some temperature values, load condition, the fault message gathered and shows; Manual operator is issued outdoor controller to indoor environment temperature, design temperature and some other setup parameter, both real time interaction informations.
Compare with the VFC mode of obtaining the indoor set parameter; The frequency-converting control device of air-conditioner provided by the present invention can be joined the indoor set of various different manufacturers; And do not need the control of indoor set is changed; Only need to obtain through the RS-485 communication indoor environment temperature and the set temperature value of manual operator, outdoor controller comes controlled frequency to go up and down through the initial launch frequency of indoor environment temperature and the definite start of the design temperature temperature difference through the pace of change of indoor environment temperature; Control is simple, and versatility is better.
Outdoor controller is realized stepless speed regulation through the rotating speed of the outer blower fan of output PWM ripple signal controlling DC frequency-changing, and comfortableness is good.Through detecting the pulse signal of outer blower fan feedback, judge the current rotating speed of outer blower fan, with the rotating ratio of output, realize closed-loop control, it is more accurate that output is controlled.
Owing to adopted the outer blower fan stepless speed regulation of DC frequency-changing, when low temperature, can control outer blower fan rotating speed lower, so unit also can freeze under subzero 15 ℃ of environment.
Adopt the high energy of SEER of the convertible frequency air-conditioner of above-mentioned method for controlling frequency conversion to reach 24.
The embodiment of the invention also provides a kind of frequency-converting control device; This frequency-converting control device comprises: outdoor controller; Be used to obtain indoor environment temperature value and set temperature value, and confirm the frequency of compressor through said indoor environment temperature value and said set temperature value.
Wherein, above-mentioned frequency-converting control device can also comprise: manual operator.
This manual operator comprises: temperature sensing device, be used to obtain said indoor environment temperature value, and; Receiving system; Be used to receive said set temperature value, at this moment, said outdoor controller is used to obtain said indoor environment temperature value and the set temperature value from said manual operator.
Preferably, adopt the RS-485 bus communication between said manual operator and the said outdoor controller.
The embodiment of the invention also provides a kind of air-conditioner, and this air-conditioner can comprise the described frequency-converting control device of above-mentioned arbitrary embodiment.
Through an instantiation method for controlling frequency conversion of the present invention is described below:
After the user set the refrigeration mode start, if this moment, indoor environment temperature was 28 ℃, design temperature was 25 ℃, will carry out according to the following steps:
Step 1: inner blower starts;
Step 2: delaying time started by the outer blower fan of middle-grade rotating speed after 10 seconds, regulated outer blower fan rotating speed according to outdoor environment temperature then;
Step 3: delay time and press the original frequency compressor and starting after 25 seconds, per then 30 seconds with 1Hz/s speed rising compressor frequency, until being raised to the ceiling value frequency of compressor;
Step 4: when indoor environment temperature is reduced to 25 ℃, reduced the compressor operating frequency with 1Hz/s speed in per 30 seconds, until reducing to the minimum limit value frequency of compressor.
After indoor environment temperature rises, repeating step three, after indoor environment temperature descends, repeating step four.
Can find out that through this instance this method for controlling frequency conversion need not obtain the parameter of indoor set, but the indoor set of each producer of wildcard; And need not change the control of indoor set, can only obtain the indoor environment temperature and the set temperature value of manual operator, control the loading and the unloading of DC frequency-changeable compressor through this information through the RS-485 communication; Control is simple; Versatility is good, adopts the Energy Efficiency Ratio of this kind method for controlling frequency conversion very high, and can realize subzero 15 ℃ of cryogenic refrigerations.
From above description, can find out that the present invention can improve the method for controlling frequency conversion versatility of air-conditioner.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for controlling frequency conversion is characterized in that, comprising:
Outdoor controller obtains indoor environment temperature value and set temperature value; And
Said outdoor controller is confirmed the frequency of compressor through said indoor environment temperature value and said set temperature value.
2. method for controlling frequency conversion according to claim 1 is characterized in that, outdoor controller obtains the indoor environment temperature value and set temperature value comprises:
Said outdoor controller obtains said indoor environment temperature value and said set temperature value through manual operator, and wherein, said manual operator is provided with temperature sensing device.
3. method for controlling frequency conversion according to claim 2 is characterized in that, said outdoor controller obtains said indoor environment temperature value through manual operator and said set temperature value comprises:
Said outdoor controller sends solicited message to said manual operator; And
Said manual operator is sent to said outdoor controller with said indoor environment temperature value and said set temperature value after obtaining described request information.
4. method for controlling frequency conversion according to claim 3 is characterized in that, described request information comprises:
Temperature value, load condition and fault message that said off-premises station is gathered.
5. method for controlling frequency conversion according to claim 1 is characterized in that, said outdoor controller confirms that through said indoor environment temperature value and said set temperature value the frequency of compressor comprises:
Said outdoor controller is opened said compressor according to original frequency, the frequency of the said compressor that before the indoor environment temperature value does not reach said set temperature value, raises; And when said indoor environment temperature value reaches said set temperature value, reduce the frequency of said compressor.
6. method for controlling frequency conversion according to claim 5 is characterized in that,
Said outdoor controller is opened said compressor according to original frequency, and the frequency of the said compressor that before the indoor environment temperature value does not reach said set temperature value, raises comprises:
Said outdoor controller is after opening said compressor, and every interval very first time is with the raise frequency of said compressor of the speed of 1Hz/s,
When said indoor environment temperature value reached said set temperature value, the frequency that reduces said compressor comprised:
Second time of every interval is reduced the frequency of said compressor with the speed of 1Hz/s.
7. a frequency-converting control device is characterized in that, comprising: outdoor controller is used to obtain indoor environment temperature value and set temperature value, and confirms the frequency of compressor through said indoor environment temperature value and said set temperature value.
8. frequency-converting control device according to claim 7 is characterized in that, also comprises:
Manual operator comprises:
Temperature sensing device is used to obtain said indoor environment temperature value, and
Receiving system is used to receive said set temperature value,
Wherein, said outdoor controller is used to obtain said indoor environment temperature value and the set temperature value from said manual operator.
9. frequency-converting control device according to claim 8 is characterized in that, adopts the RS-485 bus communication between said manual operator and the said outdoor controller.
10. an air-conditioner is characterized in that, comprises each described frequency-converting control device in the claim 7 to 9.
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| CN201110003187.7A CN102589082B (en) | 2011-01-07 | 2011-01-07 | Method for controlling frequency conversion and device, air-conditioner |
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| CN201110003187.7A CN102589082B (en) | 2011-01-07 | 2011-01-07 | Method for controlling frequency conversion and device, air-conditioner |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102997610A (en) * | 2012-12-31 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigeration plant control method |
| CN103673195A (en) * | 2012-08-31 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN103836770A (en) * | 2014-03-19 | 2014-06-04 | 四川长虹空调有限公司 | Air conditioner with temperature regulated based on indoor relative humidity and control method thereof |
| CN103913024A (en) * | 2013-01-09 | 2014-07-09 | 思科普有限责任公司 | Method for controlling of speed variation compressor |
| CN103968497A (en) * | 2013-01-30 | 2014-08-06 | 珠海格力电器股份有限公司 | Method and device for adjusting running frequency of air conditioning compressor as well as air conditioner |
| CN104006498A (en) * | 2014-05-27 | 2014-08-27 | 广东美的制冷设备有限公司 | Automatic operation control method and device of air-conditioner |
| CN104764162A (en) * | 2015-03-31 | 2015-07-08 | 广东美的制冷设备有限公司 | Energy saving control method and system of air conditioner and air conditioner |
| CN105020855A (en) * | 2015-07-24 | 2015-11-04 | 广东美的制冷设备有限公司 | Variable frequency air conditioner control method and system |
| CN105091241A (en) * | 2015-08-31 | 2015-11-25 | 青岛海尔空调器有限总公司 | Method for controlling frequency-conversion air conditioner |
| CN105180358A (en) * | 2015-08-31 | 2015-12-23 | 青岛海尔空调器有限总公司 | Method for controlling variable frequency air conditioner |
| CN105987478A (en) * | 2015-01-27 | 2016-10-05 | 青岛海尔空调器有限总公司 | Frequency-variable air conditioner control method and control device, and frequency-variable air conditioner |
| CN106705376A (en) * | 2017-01-04 | 2017-05-24 | 青岛海尔空调器有限总公司 | Self-cleaning method of indoor unit of air conditioner |
| CN106766021A (en) * | 2016-11-21 | 2017-05-31 | 深圳市共济科技股份有限公司 | A kind of air-conditioning manual operator, air-conditioner control system and method |
| CN113531858A (en) * | 2021-05-20 | 2021-10-22 | 青岛海尔空调器有限总公司 | Frequency control method, apparatus, storage medium and program product for compressor |
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| CN103673195A (en) * | 2012-08-31 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN102997610B (en) * | 2012-12-31 | 2015-01-21 | 合肥美的电冰箱有限公司 | Refrigeration plant control method |
| CN102997610A (en) * | 2012-12-31 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigeration plant control method |
| CN103913024B (en) * | 2013-01-09 | 2016-08-17 | 思科普有限责任公司 | For the method controlling the speed of variable speed compressor |
| CN103913024A (en) * | 2013-01-09 | 2014-07-09 | 思科普有限责任公司 | Method for controlling of speed variation compressor |
| CN103968497A (en) * | 2013-01-30 | 2014-08-06 | 珠海格力电器股份有限公司 | Method and device for adjusting running frequency of air conditioning compressor as well as air conditioner |
| CN103968497B (en) * | 2013-01-30 | 2017-05-10 | 珠海格力电器股份有限公司 | Method and device for adjusting running frequency of air conditioning compressor as well as air conditioner |
| CN103836770A (en) * | 2014-03-19 | 2014-06-04 | 四川长虹空调有限公司 | Air conditioner with temperature regulated based on indoor relative humidity and control method thereof |
| CN104006498A (en) * | 2014-05-27 | 2014-08-27 | 广东美的制冷设备有限公司 | Automatic operation control method and device of air-conditioner |
| CN104006498B (en) * | 2014-05-27 | 2017-06-13 | 广东美的制冷设备有限公司 | The control method and device of air-conditioner automatic running |
| CN105987478A (en) * | 2015-01-27 | 2016-10-05 | 青岛海尔空调器有限总公司 | Frequency-variable air conditioner control method and control device, and frequency-variable air conditioner |
| CN105987478B (en) * | 2015-01-27 | 2019-04-23 | 青岛海尔空调器有限总公司 | Control method for frequency conversion air conditioner, control device and convertible frequency air-conditioner |
| CN104764162A (en) * | 2015-03-31 | 2015-07-08 | 广东美的制冷设备有限公司 | Energy saving control method and system of air conditioner and air conditioner |
| CN104764162B (en) * | 2015-03-31 | 2017-06-09 | 广东美的制冷设备有限公司 | A kind of energy-saving control method of air-conditioner, control system and air-conditioner |
| CN105020855A (en) * | 2015-07-24 | 2015-11-04 | 广东美的制冷设备有限公司 | Variable frequency air conditioner control method and system |
| CN105180358A (en) * | 2015-08-31 | 2015-12-23 | 青岛海尔空调器有限总公司 | Method for controlling variable frequency air conditioner |
| CN105180358B (en) * | 2015-08-31 | 2018-03-20 | 青岛海尔空调器有限总公司 | The method for controlling transducer air conditioning |
| CN105091241B (en) * | 2015-08-31 | 2018-03-20 | 青岛海尔空调器有限总公司 | A kind of method for controlling transducer air conditioning |
| CN105091241A (en) * | 2015-08-31 | 2015-11-25 | 青岛海尔空调器有限总公司 | Method for controlling frequency-conversion air conditioner |
| CN106766021A (en) * | 2016-11-21 | 2017-05-31 | 深圳市共济科技股份有限公司 | A kind of air-conditioning manual operator, air-conditioner control system and method |
| CN106705376A (en) * | 2017-01-04 | 2017-05-24 | 青岛海尔空调器有限总公司 | Self-cleaning method of indoor unit of air conditioner |
| CN106705376B (en) * | 2017-01-04 | 2020-02-04 | 青岛海尔空调器有限总公司 | Self-cleaning method for indoor unit of air conditioner |
| CN113531858A (en) * | 2021-05-20 | 2021-10-22 | 青岛海尔空调器有限总公司 | Frequency control method, apparatus, storage medium and program product for compressor |
| CN113531858B (en) * | 2021-05-20 | 2023-02-17 | 青岛海尔空调器有限总公司 | Frequency control method, apparatus, storage medium and program product for compressor |
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Effective date of registration: 20200709 Address after: Room 317, 416 jingwan Road, Jingan Town, Doumen District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Gree Electromechanical Engineering Co., Ltd Address before: 519070 Guangdong city of Zhuhai Province Qianshan No. six Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |