CN102022802B - Method for controlling air conditioner - Google Patents

Method for controlling air conditioner Download PDF

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Publication number
CN102022802B
CN102022802B CN 201010581712 CN201010581712A CN102022802B CN 102022802 B CN102022802 B CN 102022802B CN 201010581712 CN201010581712 CN 201010581712 CN 201010581712 A CN201010581712 A CN 201010581712A CN 102022802 B CN102022802 B CN 102022802B
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CN
China
Prior art keywords
illumination
air
human
control
grade
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CN 201010581712
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Chinese (zh)
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CN102022802A (en
Inventor
曹慧玲
蔡少滨
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广州松下空调器有限公司
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Priority to CN 201010581712 priority Critical patent/CN102022802B/en
Publication of CN102022802A publication Critical patent/CN102022802A/en
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Abstract

The invention discloses a method for controlling an air conditioner; in the method, a body sensing sensor, an optical sensor and an air conditioner control chip are used; the method comprises the following steps of: judging whether to turn on the body sensing sensor; when the body sensing sensor is turned on, detecting the body physical activity in a target area, and simultaneously judging whether to turn on the optical sensor; when the optical sensor is turned on, detecting the present light intensity, judging the level of the light intensity, and simultaneously judging the level of the body physical activity; and correspondingly controlling the operation frequency of a compressor of the air conditioner, the indoor operation wind volume and the wind direction according to the detected levels of the body physical activity and the light intensity. The control method strengthens energy-saving effect and comfortable effect, thereby having high intelligent control degree, flexible function and humanized design.

Description

Air-conditioner control method
Technical field
The present invention relates to field of air conditioning, particularly a kind of air-conditioner control method.
Background technology
Existing air conditioner adopts human body sensor to detect human activity amount and position usually, perhaps detects indoor intensity of sunshine through optical sensor, and controls the running of air conditioner according to the result who is detected, and control flow chart sees also Fig. 1 and Fig. 2.Wherein, the control of human body sensor lays particular emphasis on the adjusting wind direction, and the control of optical sensor is to regulate compressor frequency according to level of illumination.
The above-mentioned method of utilizing two kinds of sensors to detect and realize controlling; Though can in time adjust the operational situation of air conditioner according to the variation of environment; But because the parameter that each sensor is gathered is limited; Can only realize one-side control, can not carry out complete detection to environment, therefore existing method is controlled low, the not enough hommization of single, the intelligent degree of effect, can not be realized energy-conservation and comfortable equilibrium control.
Summary of the invention
For overcoming shortcoming of the prior art with not enough; The present invention provides a kind of control method of air conditioner energy saving on the basis of existing technology, and the two combines with human body sensor control and optical sensor control; Regulate the running of air conditioner through comprehensive detected human activity amount and intensity of illumination; Improve comfortableness, strengthen energy-saving effect, thereby reach the purpose of intelligent control, human oriented design.
Technical scheme of the present invention is achieved in that
A kind of control method of air conditioner energy saving adopts human body sensor, optical sensor and air-conditioner control chip, it is characterized in that, comprises the control step of following order:
(1), whether human body sensor opened judge according to the signal that receives;
(2) according to the result of determination of step (1), when human body sensor is opened, detect the human activity amount in the target area, get into the judgement whether optical sensor is opened simultaneously;
(3) according to the result of determination of step (2), when optical sensor is opened, detect current intensity of illumination, and get into judgement, according to the testing result of step (2), the grade of human activity amount is judged simultaneously the intensity of illumination grade;
(4) according to the result of determination of step (3) human activity amount grade and intensity of illumination grade, compressor of air conditioner running frequency, indoor running air quantity and wind direction are carried out corresponding control.
Further, said step (3) comprises the judgement of intensity of illumination grade:
(31) the current operation mode of living in of air-conditioner is judged;
(32) result of determination of basis (31); Choose the illumination fiducial value of setting; The illumination fiducial value of said setting comprises little fiducial value of illumination and the big fiducial value of illumination; And more current successively brightness value and the little fiducial value of illumination and current brightness value and the big fiducial value of illumination, until the grade that determines current brightness value.
Further, said intensity of illumination grade be divided into that illumination is big, in the illumination, the little Three Estate of illumination.
Further, step (32) also comprises: current brightness value is more than T minute the time greater than duration of the big fiducial value of illumination, judges that level of illumination is that illumination is big.As preferably, said duration T is 2 minutes.
Further, the little fiducial value of said illumination is less than the big fiducial value of illumination.
Further, said operation mode comprises the warm pattern of refrigeration mode and system.Wherein, cold-room, dehumidifying, gentle wet, dehumidifier isotype all belong to refrigeration mode.Under refrigeration and the warm pattern of system, little fiducial value of illumination and the big fiducial value of illumination are set at and have nothing in common with each other.
Further, said human body sensor is to be no less than 2 infrared human body induction sensor.
Further, the control of compressor operating frequency described in the step (4) realizes through regulating the inner setting temperature correction.
Further, also comprise in the step (4) showing the control of LED brightness on the air-conditioning body.
The control method of air conditioner energy saving according to the invention; To stress the human body sensor that wind direction is regulated, and according to the intensity of illumination grade regulate compressor frequency optical sensor the two combine, adopt many-sided the detection; Realize the effect of many-sided control; In energy saving, also make the user regulate operation of air conditioner according to independent desire, thus energy-conservation, comfortable or energy-conservation and comfortable the two the balanced effect of round Realization.
Description of drawings
Fig. 1 is the control flow chart of prior art human body sensor.
Fig. 2 is the control flow chart of prior art optical sensor.
Fig. 3 is the flow chart of control method according to the invention.
The specific embodiment
In order more clearly to understand the present invention, the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment.
Control element and parameter in the present embodiment are following:
1. human body sensor: be connected with the air-conditioner control chip and transmit induced signal, carry out human body and detect, comprise that promptly human activity amount, target area, object block judge decision target wind direction and temperature correction.Use in present embodiment to be no less than 2 human body sensor, wherein to be divided into be five grades to human activity amount, is respectively: activity is big, in the activity, activity is little, quiet, do not exist.
2. optical sensor: gather indoor solar radiation intensity (claiming illumination again), be connected with the air-conditioner control chip and transmit induced signal, wherein illumination is divided into (ST2), illumination little (ST3) Three Estate in illumination big (ST1), the illumination.Optical sensor can detect comprise natural daylight, fluorescent lamp and night light source such as dark state.
3. air-conditioner control chip: the signal of recipient's body induction sensor and optical sensor, judge human activity amount and intensity of illumination grade, and export running frequency, indoor fan rotating speed and wind direction that control signal is controlled compressor of air conditioner as required.
4. control variables comprises: temperature revisal amount refers to the inner setting temperature correction; Air quantity revisal amount refers to the compensating value of indoor air quantity, is used to increase or reduce the air quantity of operation of air conditioner; LED brightness refers to show on the air-conditioning body that the briliancy of LED is strong and weak.
In the present invention, human body sensor is used for human body activity, zone of action; Optical sensor is used to detect intensity of illumination, the testing result of comprehensive two kinds of sensors, and intellectuality control is carried out in the LED brightness that shows on compressor operation frequency, indoor fan motor rotating speed and the air-conditioning to air-conditioning, thereby realizes energy-conservation or comfortable effect.
See also Fig. 3, the flow chart of the control method of air conditioner energy saving according to the invention, the existing detailed description:
Step S1: judge whether human body sensor is opened.If human body sensor is not opened, then do not open optical sensor, cycle criterion is opened until human body sensor, can carry out subsequent step S2 and S2 '.
Step S2: judge whether optical sensor is opened.If not, then expression adopts human body sensor to detect separately, and is identical with prior art, do not give unnecessary details at this.If yes, when then being illustrated in human body sensor and detecting, start the light sensors intensity of illumination, get into next step S3.The light sensation sensor determines the insolation temperature correction according to the intensity of illumination that detects.
Step S2 ': carry out simultaneously with step S2.Infrared sensor detects in its target area whether have physical activity; If yes, then further judge the size of human activity amount, and the grade of definite human activity amount; In the present embodiment, human activity amount is divided into four grades and comprises: activity is big, in the activity, activity is little, quiet; If not, then represent not exist in the target area physical activity, this state can be used as the 5th grade of human activity amount, gets into step S5.
Step S3: more detected current brightness value (R) and the little fiducial value of setting of illumination (A), if satisfy R<A, represent that then the intensity of illumination in the current environment is low, the user possibly be in sleep or resting state, judges that current level of illumination is illumination little (ST3); If satisfy R>A, then still get into next step S4.The illumination fiducial value of setting, the illumination fiducial value of said setting comprises little fiducial value of illumination and the big fiducial value of illumination,
Step S4: more current brightness value (R) and the big fiducial value of setting of illumination (B), if satisfy R<B, represent that current brightness value is lower than the big fiducial value of illumination, promptly current intensity of illumination is moderate, judges that the intensity of illumination grade is (ST2) in the illumination; If satisfy R >=B, represent that current intensity of illumination is higher than the big intensity of illumination of illumination, promptly current intensity of illumination is higher, judges that the intensity of illumination grade is illumination big (ST1).
Step S5:,,, control variables such as temperature, air quantity, LED brightness are regulated with reference to table 1 in conjunction with the human activity amount grade according to the intensity of illumination grade that above-mentioned steps is judged.
The control method of air conditioner energy saving according to the invention further comprises after step S2:
Step S21: judge air-conditioner present located operation mode,, then be judged to be refrigeration mode if operation mode is cold-room or dehumidifying or gentle wet; If current operation mode is a greenhouse, the warm pattern of the system of then being judged to be.Under different mode, the revisal amount of each control variables parameter is different, and is different according to the product standard and type design, and parameter in the present embodiment is detailed to see also table 1, but is not to be to qualification of the present invention.
The control method of air conditioner energy saving according to the invention also comprises when step S2 ' carries out:
Step S2 ": judge the target area,, carry out wind direction control, distribute air quantity according to the target area of having judged, object block and activity size separately thereof.
The control variables table of table 1 human body sensor and optical sensor
Embodiment 1
Be example with the cold-room operation mode below, specify the flow process of control method according to the invention.
See also Fig. 3 and table 1, air conditioner moves under the cold-room pattern, after human body sensor and optical sensor are all opened, detects human activity amount and intensity of illumination simultaneously, and judges its grade of living in.
In the present embodiment, setting the little fiducial value of illumination (A) is 20Lux, and setting the big fiducial value of illumination (B) is 500Lux, and this setting value can be provided with according to actual needs, but must satisfy A<B.Detected current brightness value is R; If current illumination intensity value R<20Lux, the grade that then is judged to be current illumination intensity value R is illumination little (ST3), the expression indoor light a little less than; The user possibly be in sleep or resting state, can further reduce LED brightness as required.If current illumination intensity value R>20Lux then compares current illumination intensity value R again with the big fiducial value of illumination (B).If 20Lux≤R<500Lux judges that then grade is (ST2) in the illumination; If R>=500Lux judges that then grade is illumination big (ST1).
In the present embodiment, current illumination intensity value R is 600Lux, so decidable intensity of illumination grade is illumination big (ST1), and simultaneously, human body sensor detects that the human activity amount grade is that activity is big in the target area.The comprehensive testing result that illumination is big, activity is big, explaining needs to force relatively cold, with reference to table 3, then regulates internal temperature revisal [2 ℃], and indoor air quantity revisal [+40rpm] improves the compressor operation frequency, increases air quantity, reaches to force cold effect.
Embodiment 2
Embodiment 2 is with the difference of embodiment 1: when the big fiducial value B of more current illumination intensity value R and illumination, and as if satisfying R >=B, and the time remaining T of R >=B minute, judge that then grade of living in is illumination (ST1) greatly.This duration T is divided and can be set according to actual needs.In the present embodiment, setting T is 2 minutes, and setting the big fiducial value B of illumination is 500Lux; Current illumination intensity value R is 600Lux; Satisfy the condition of R>B, but R reduced to 450Lux rapidly in 2 minutes, therefore; Do not satisfy the condition of illumination big (ST1), should judge that the intensity of illumination grade is (ST2) in the illumination.Simultaneously, detect human activity amount in the target area, judge that the human activity amount grade is quiet according to human body sensor.In the comprehensive illumination, quiet testing result, with reference to table 1, then regulate internal temperature revisal [+0.33 ℃], indoor air quantity revisal [+0rpm], the positive compensating value of air quantity makes zero, and reaches the adjusting temperature, does not change the effect of air quantity.
Embodiment 3
Be example with the greenhouse operation mode below; Consider the different of winter and natural lighting in summer power; Embodiment 3 is with the difference of embodiment 1: be used to judge the setting value of intensity of illumination grade of living in the greenhouse, that is: the little fiducial value of illumination (A ') and the big fiducial value of illumination (B ') are different with A, B value in the cold-room.This setting value can be provided with according to actual needs, but must satisfy A '<B '.
With respect to prior art; The control method of air conditioner energy saving according to the invention; Human body sensor is combined with optical sensor; Make air conditioner can detect intensity of illumination again by the human body activity simultaneously, realized the stack of two kinds of sensor functions, comprehensive detection result can make more intelligent control to current indoor environment.
With respect to prior art; Adopt the control method of air conditioner energy saving according to the invention; Can the indoor environment of continuous variation be detected in real time, and in time regulate and control the parameter such as rotating speed, air quantity, temperature, LED brightness of compressor according to testing result, thus the enhances human body comfort; Reduce total energy consumption, realize comfortable and energy-conservation portfolio effect.
With respect to prior art, according to the method for the invention the selection of hommization can also be provided for the user, promptly adopt remote controller to select energy-conservation or comfortable button, can make air-conditioning carry out energy-conservation or comfortable running, build a comfortable domestic environment.
The present invention is not limited to above-mentioned embodiment; If various changes of the present invention or distortion are not broken away from the spirit and scope of the present invention; If these changes and distortion belong within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and distortion.

Claims (10)

1. an air-conditioner control method adopts human body sensor, optical sensor and air-conditioner control chip, it is characterized in that, comprises the control step of following order:
(1), whether human body sensor opened judge according to the signal that receives;
(2) according to the result of determination of step (1), when human body sensor is opened, detect the human activity amount in the target area, get into the judgement whether optical sensor is opened simultaneously;
(3) according to the result of determination of step (2), when optical sensor is opened, detect current intensity of illumination, and get into judgement, according to the testing result of step (2), the grade of human activity amount is judged simultaneously the intensity of illumination grade;
(4) according to the result of determination of step (3) human activity amount grade and intensity of illumination grade, compressor of air conditioner running frequency, indoor running air quantity and wind direction are carried out corresponding control.
2. air-conditioner control method according to claim 1 is characterized in that, said step (3) further comprises the judgement of intensity of illumination grade:
(31) the current operation mode of living in of air-conditioner is judged;
(32) result of determination of basis (31); Choose the illumination fiducial value of setting; The illumination fiducial value of said setting comprises little fiducial value of illumination and the big fiducial value of illumination; And more current successively brightness value and the little fiducial value of illumination and current brightness value and the big fiducial value of illumination, until the grade that determines current brightness value.
3. air-conditioner control method according to claim 2 is characterized in that, said intensity of illumination grade is divided into that illumination is big, in the illumination, the little Three Estate of illumination.
4. air-conditioner control method according to claim 2 is characterized in that, step (32) also comprises: current brightness value is more than T minute the time greater than duration of the big fiducial value of illumination, judges that the intensity of illumination grade is that illumination is big.
5. air-conditioner control method according to claim 4 is characterized in that, said duration T is 2 minutes.
6. air-conditioner control method according to claim 2 is characterized in that: the little fiducial value of said illumination is less than the big fiducial value of illumination.
7. air-conditioner control method according to claim 2 is characterized in that: said operation mode comprises the warm pattern of refrigeration mode and system, and said refrigeration mode is cold-room pattern or dehumidifier pattern or gentle wet model.
8. air-conditioner control method according to claim 1 is characterized in that: said human body sensor is to be no less than 2 infrared human body induction sensor.
9. air-conditioner control method according to claim 1 is characterized in that: the control of compressor operating frequency described in the step (4) realizes through regulating the inner setting temperature correction.
10. air-conditioner control method according to claim 1 is characterized in that: also comprise in the step (4) showing the control of LED brightness on the air-conditioning body.
CN 201010581712 2010-12-09 2010-12-09 Method for controlling air conditioner CN102022802B (en)

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CN104697111B (en) * 2015-02-15 2018-03-20 青岛海尔空调器有限总公司 Air-conditioner control method, control device and air conditioner
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CN106765905B (en) * 2016-11-29 2020-01-31 广东美的制冷设备有限公司 Control method and control device of air conditioner and air conditioner
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