CN105257577A - Control method and device for rotation speed of fan - Google Patents
Control method and device for rotation speed of fan Download PDFInfo
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- CN105257577A CN105257577A CN201510698104.9A CN201510698104A CN105257577A CN 105257577 A CN105257577 A CN 105257577A CN 201510698104 A CN201510698104 A CN 201510698104A CN 105257577 A CN105257577 A CN 105257577A
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Abstract
The invention discloses a control method and device for the rotation speed of a fan. The control method for the rotation speed of the fan includes the steps of detecting the environmental temperature and the pipeline temperature on the heat source side, determining the heat exchange rotation speed of the fan according to the difference between the environmental temperature and the pipeline temperature on the heat source side and the corresponding unit operation mode, and adjusting the current rotation speed of the fan into the heat exchange rotation speed of the fan. According to the control method for the rotation speed of the fan, the problem in the prior art that as the rotation speed of the fan is not adjusted in time, the energy consumption of the fan is increased, or heat exchange of the fan is not carried out in time can be solved.
Description
Technical field
The present invention relates to fan radiating control technique field, in particular to a kind of rotation speed of fan controlling method and control gear.
Background technique
The products such as current air-conditioning, air source heat pump water heater, the rotation speed of fan of heat source side, water temperature mainly through ambient temperature, setting regulates, this kind of mode, carry out the determination of rotation speed of fan by means of only ambient temperature and set model, do not carry out the setting of rotation speed of fan according to the radiating requirements of actual pipeline.When this kind of form can cause line temperature too high, radiating fan rotation speed can not effectively adjust fast, realizes efficient exchange heat between air energy and refrigerant; And during compressor frequency reducing operation, rotation speed of fan is generally accelerate with compressor lifting frequency and slow down, but line temperature now does not raise rapidly or reduces, increase or reduce according to the operation frequency of compressor the radiating effect that rotation speed of fan can not make line temperature reach corresponding compressor frequency fast to need fast, the increase of fan energy consumption or blower fan heat exchange can be caused not in time.
Summary of the invention
A kind of rotation speed of fan controlling method and control gear are provided in the embodiment of the present invention, increase or blower fan heat exchange problem not in time to solve the fan energy consumption that in prior art, blower fan adjustment of rotational speed causes not in time.
For achieving the above object, the embodiment of the present invention provides a kind of rotation speed of fan controlling method, comprising: testing environment temperature and heat source side line temperature; The environmentally temperature difference of temperature and heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed; Current rotation speed of fan is adjusted to blower fan heat exchange rotating speed.
As preferably, unit be single cooler group or single heat engine group time, heat source side line temperature is compressor exhaust pipe temperature; When unit is changes in temperature function unit, heat source side line temperature is the line temperature be connected with heat source side near four-way valve after four-way valve conversion.
As preferably, rotation speed of fan controlling method also comprises: preset running mode and temperature difference data sheet, makes blower fan heat exchange rotating speed corresponding with preset running mode and the temperature difference; Environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and obtains corresponding blower fan heat exchange rotating speed.
As preferably, environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and the step obtaining corresponding blower fan heat exchange rotating speed comprises: pipeline regulation coefficient corresponding with unit for the temperature difference of ambient temperature and heat source side line temperature is transformed, the temperature difference that acquisition is refined; Utilize the temperature difference of refining to table look-up, and obtain corresponding blower fan heat exchange rotating speed.
As preferably, the related data of blower fan heat exchange rotating speed and the temperature difference and operating mode carries out data capture and checking by system matches, and matches with corresponding system and corresponding pipeline.
As preferably, when carrying out data capture and checking, carry out data capture, contrast and feedback by the time lag of presetting.
According to a further aspect in the invention, provide a kind of rotation speed of fan control gear, comprising: testing module, for testing environment temperature and heat source side line temperature; Storage, the ambient temperature detected according to testing module and the temperature difference of heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed; Controller, adjusts rotation speed of fan according to the blower fan heat exchange rotating speed that storage is determined.
As preferably, storage comprises matching module, for mating corresponding blower fan heat exchange rotating speed according to operating mode and the temperature difference.
As preferably, in storage, be preset with operating mode and temperature difference data sheet, the blower fan heat exchange rotating speed that operating mode and temperature difference data sheet comprise the temperature difference, operating mode and match with this temperature difference and operating mode.
Apply technological scheme of the present invention, rotation speed of fan controlling method comprises: testing environment temperature and heat source side line temperature; The environmentally temperature difference of temperature and heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed; Current rotation speed of fan is adjusted to blower fan heat exchange rotating speed.The rotating speed of blower fan is controlled reference parameter and is set to ambient temperature and heat source side line temperature by the present invention, the heat exchange wind speed regulating blower fan can be implemented according to the heat exchange demand of actual pipeline, make rotation speed of fan in actual motion environment, more press close to the heat exchange demand of pipeline, effective utilization of the blower fan efficiency under setting operating mode can be realized more fast, reduce unnecessary energy consumption simultaneously, improve the performance of unit.
Accompanying drawing explanation
Fig. 1 is the flow chart of the rotation speed of fan controlling method of the embodiment of the present invention;
Fig. 2 is the control principle drawing of the rotation speed of fan control gear of the embodiment of the present invention;
Fig. 3 is the memory construction figure of the rotation speed of fan control gear of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Shown in Figure 1, according to embodiments of the invention, rotation speed of fan controlling method comprises: testing environment temperature and heat source side line temperature; The environmentally temperature difference of temperature and heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed; Current rotation speed of fan is adjusted to blower fan heat exchange rotating speed.
The rotating speed of blower fan is controlled reference parameter and is set to ambient temperature and heat source side line temperature by the present invention, the heat exchange wind speed regulating blower fan can be implemented according to the heat exchange demand of actual pipeline, make rotation speed of fan in actual motion environment, more press close to the heat exchange demand of pipeline, effective utilization of the blower fan efficiency under setting operating mode can be realized more fast, reduce unnecessary energy consumption simultaneously, improve the performance of unit.
The pipe thermometer bulb parameter Tp that detected parameters relates to environment temperature-sensitive bag temperature Te, is connected with heat source side heat exchanging tube, obtain the regulation coefficient r corresponding to current system pipeline simultaneously, and the operating mode of current group setup, thus obtain rapidly the rotating speed of blower fan heat exchange accurately according to these parameters, current rotation speed of fan can be matched with actual Guan Wen better, thus improve the work efficiency of system.
Unit be single cooler group or single heat engine group time, heat source side line temperature is compressor exhaust pipe temperature; When unit is changes in temperature function unit, heat source side line temperature is the line temperature be connected with heat source side near four-way valve after four-way valve conversion, thus the Guan Wen detected by guarantee system is the line temperature of heat source side all the time, improve accuracy and the reliability of system temperature detection, and then realize the accurate adjustment to rotation speed of fan.In the present embodiment, take unit as changes in temperature function unit for the controlling method of example to rotation speed of fan is illustrated.
Rotation speed of fan controlling method also comprises: preset running mode and temperature difference data sheet, makes blower fan heat exchange rotating speed corresponding with preset running mode and the temperature difference; Environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and obtains corresponding blower fan heat exchange rotating speed.In systems in which after preset running mode and temperature difference data sheet, once get corresponding operating mode and the temperature difference, just can find the blower fan heat exchange rotating speed matched with the operating mode obtained and the temperature difference rapidly and accurately, the regulated efficiency of rotation speed of fan can be improved, realize the quick and precisely adjustment of rotation speed of fan.
Environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and the step obtaining corresponding blower fan heat exchange rotating speed comprises: transformed by pipeline regulation coefficient corresponding with unit for the temperature difference of ambient temperature and heat source side line temperature, the temperature difference that acquisition is refined; Utilize the temperature difference of refining to table look-up, and obtain corresponding blower fan heat exchange rotating speed.
Specifically, when tabling look-up, first be connected by outdoor unit heat exchanger and contrast near the pipe thermometer bulb temperature Te of four-way valve and the temperature Tp of actual set Environmental Conditions, pipeline regulation coefficient r corresponding with system with the difference Tp-Te=Ti value of ambient temperature parameter for pipe thermometer bulb parameter is carried out temperature difference conversion, refine as temperature gap T0=r*Ti, and be combined in operating mode in unit storage and temperature difference data sheet with the requirement operating mode of group setup and inquire about, obtain corresponding air-foil fan heat exchange rotating speed, call corresponding instruction by controller to be afterwards sent to air-blower control plate and to carry out blast velocity control, rotation speed of fan is adjusted more in real time accurately, current Guan Wenyu unit operation pattern can be mated more exactly.
Memory inside stores temperature difference T0 and setting operating mode Mi, and corresponding rotation speed of fan control command data sheet.The related data of blower fan heat exchange rotating speed and the temperature difference and operating mode carries out data capture and checking by system matches, and matches with corresponding system and corresponding pipeline.For the design requirement of different system, system matches data as requested are only needed to change accordingly memory inside data sheet.The hardware of controller aspect can carry out generalization process.
When carrying out data capture and checking, carry out data capture, contrast and feedback by the time lag of presetting.Because ambient temperature and line temperature are in normal operation, temperature might not be stablized.By certain time interval, data capture, contrast and feedback are carried out in the interval as 1 minute, 5 minutes, thus can realize adjusting rotation speed of fan in real time to adapt to the heat exchange demand of unit heat source side.
In conjunction with see shown in Fig. 2 and Fig. 3, according to embodiments of the invention, rotation speed of fan control gear comprises: testing module, for testing environment temperature and heat source side line temperature; Storage, the ambient temperature detected according to testing module and the temperature difference of heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed; Controller, adjusts rotation speed of fan according to the blower fan heat exchange rotating speed that storage is determined.
Testing module comprises environment temperature-sensitive bag and pipe thermometer bulb, wherein environment temperature-sensitive bag is for detecting the operating ambient temperature Te of unit, pipe thermometer bulb is for detecting the heat source side line temperature Tp of unit, after acquisition detects data, testing module is by the temperature data calculated difference detected and be sent to storage, unit searches the operating mode Mi of current setting simultaneously, and operating mode Mi is also sent to storage.
After temperature gap calculates, before being delivered to storage, also need to carry out temperature difference conversion with pipeline regulation coefficient r, to obtain the Guan Wen that refines more accurately.
The adjustment instruction of this blower fan heat exchange rotating speed just according to the data sheet quick obtaining corresponding blower fan heat exchange rotating speed of storage inside, and can be sent to controller, adjust rotation speed of fan by controller after obtaining the Guan Wenyu operating mode Mi that refines by storage.
Operating mode and temperature difference data sheet is preset with, the blower fan heat exchange rotating speed that operating mode and temperature difference data sheet comprise the temperature difference, operating mode and match with this temperature difference and operating mode in storage.This data sheet can be set up by the mode of system matches data, so that the data of data sheet more in real time accurately.
Storage comprises matching module, for mating corresponding blower fan heat exchange rotating speed according to operating mode and the temperature difference, blower fan heat exchange rotating speed and operating mode and the temperature difference of refining to be matched rapidly and accurately, improves the working efficiency of system.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a rotation speed of fan controlling method, is characterized in that, comprising:
Testing environment temperature and heat source side line temperature;
The environmentally temperature difference of temperature and heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed;
Current rotation speed of fan is adjusted to blower fan heat exchange rotating speed.
2. rotation speed of fan controlling method according to claim 1, is characterized in that, unit be single cooler group or single heat engine group time, heat source side line temperature is compressor exhaust pipe temperature; When unit is changes in temperature function unit, heat source side line temperature is the line temperature be connected with heat source side near four-way valve after four-way valve conversion.
3. rotation speed of fan controlling method according to claim 1, is characterized in that, described rotation speed of fan controlling method also comprises:
Preset running mode and temperature difference data sheet, make blower fan heat exchange rotating speed corresponding with preset running mode and the temperature difference;
Environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and obtains corresponding blower fan heat exchange rotating speed.
4. rotation speed of fan controlling method according to claim 3, is characterized in that, environmentally the temperature difference of temperature and heat source side line temperature is tabled look-up, and the step obtaining corresponding blower fan heat exchange rotating speed comprises:
Pipeline regulation coefficient corresponding with unit for the temperature difference of ambient temperature and heat source side line temperature is transformed, obtains the temperature difference of refining;
Utilize the temperature difference of refining to table look-up, and obtain corresponding blower fan heat exchange rotating speed.
5. rotation speed of fan controlling method according to claim 3, is characterized in that, the related data of blower fan heat exchange rotating speed and the temperature difference and operating mode carries out data capture and checking by system matches, and matches with corresponding system and corresponding pipeline.
6. rotation speed of fan controlling method according to claim 5, is characterized in that, when carrying out data capture and checking, carries out data capture, contrast and feedback by the time lag of presetting.
7. a rotation speed of fan control gear, is characterized in that, comprising:
Testing module, for testing environment temperature and heat source side line temperature;
Storage, the temperature difference of the ambient temperature detected according to described testing module and heat source side line temperature and corresponding unit operation pattern determination blower fan heat exchange rotating speed;
Controller, adjusts rotation speed of fan according to the blower fan heat exchange rotating speed that described storage is determined.
8. rotation speed of fan control gear according to claim 7, is characterized in that, described storage comprises matching module, for mating corresponding blower fan heat exchange rotating speed according to operating mode and the temperature difference.
9. rotation speed of fan control gear according to claim 7, it is characterized in that, operating mode and temperature difference data sheet is preset with, the blower fan heat exchange rotating speed that described operating mode and temperature difference data sheet comprise the temperature difference, operating mode and match with this temperature difference and operating mode in described storage.
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| CN201510698104.9A CN105257577B (en) | 2015-10-21 | 2015-10-21 | Rotation speed of fan control method and control device |
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| CN201510698104.9A CN105257577B (en) | 2015-10-21 | 2015-10-21 | Rotation speed of fan control method and control device |
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| CN105257577A true CN105257577A (en) | 2016-01-20 |
| CN105257577B CN105257577B (en) | 2018-10-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106247624A (en) * | 2016-07-22 | 2016-12-21 | 珠海格力电器股份有限公司 | A kind of heat pump control method and device |
| CN106482295A (en) * | 2016-10-18 | 2017-03-08 | 广东美的暖通设备有限公司 | Indoor fan control method and device |
| CN106500255A (en) * | 2016-11-02 | 2017-03-15 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning equipment, blower fan system and blower fan system control method |
| CN111870727A (en) * | 2020-07-21 | 2020-11-03 | 珠海格力电器股份有限公司 | Sterilizer and sterilizer control method |
| CN113272599A (en) * | 2019-01-08 | 2021-08-17 | 青岛海尔电冰箱有限公司 | Fan rotating speed control method for thermal heat pump system |
| CN114251795A (en) * | 2021-12-03 | 2022-03-29 | 珠海格力电器股份有限公司 | One-driving-multiple air conditioner heating mode internal fan starting control method and device and air conditioner |
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| CN106247624A (en) * | 2016-07-22 | 2016-12-21 | 珠海格力电器股份有限公司 | A kind of heat pump control method and device |
| CN106482295A (en) * | 2016-10-18 | 2017-03-08 | 广东美的暖通设备有限公司 | Indoor fan control method and device |
| CN106500255A (en) * | 2016-11-02 | 2017-03-15 | 广东志高暖通设备股份有限公司 | A kind of air-conditioning equipment, blower fan system and blower fan system control method |
| CN113272599A (en) * | 2019-01-08 | 2021-08-17 | 青岛海尔电冰箱有限公司 | Fan rotating speed control method for thermal heat pump system |
| CN113272599B (en) * | 2019-01-08 | 2022-11-18 | 青岛海尔电冰箱有限公司 | Fan rotating speed control method for thermal heat pump system |
| CN111870727A (en) * | 2020-07-21 | 2020-11-03 | 珠海格力电器股份有限公司 | Sterilizer and sterilizer control method |
| CN114251795A (en) * | 2021-12-03 | 2022-03-29 | 珠海格力电器股份有限公司 | One-driving-multiple air conditioner heating mode internal fan starting control method and device and air conditioner |
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| CN105257577B (en) | 2018-10-23 |
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