CN101620422B - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN101620422B
CN101620422B CN2008100292413A CN200810029241A CN101620422B CN 101620422 B CN101620422 B CN 101620422B CN 2008100292413 A CN2008100292413 A CN 2008100292413A CN 200810029241 A CN200810029241 A CN 200810029241A CN 101620422 B CN101620422 B CN 101620422B
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China
Prior art keywords
air conditioner
human
control
photoinduction
singlechip cpu
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CN2008100292413A
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Chinese (zh)
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CN101620422A (en
Inventor
张辉
钟明生
宋德超
陈翀
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珠海格力电器股份有限公司
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Abstract

The invention provides an air conditioner capable of sensing human body activities and light intensity and a control method thereof. The air conditioner is turned on and off and changes the operational mode according to the activities of people and the light intensity in a room so as to achieve the comfortable and energy-saving effects. The air conditioner comprises a control circuit provided with a singlechip CPU, and the control circuit of the air conditioner also comprises a human body induction detection circuit and a light induction detection circuit; the human body induction detection circuit comprises a human body induction sensor and a first signal conversion circuit, and the light induction detection circuit comprises a light induction sensor and a second signal conversion circuit; the output end of the first signal conversion circuit is connected with a first I/O interface of the singlechip CPU of the air conditioner; the singlechip CPU controls the operational mode of the air conditioner according to a sampled signal input by the human body induction detection circuit; the output end of the second signal conversion circuit is connected with a second I/O interface of the singlechip CPU of the air conditioner; and the singlechip CPU processes the signal input by the light induction detection circuit so as to control the operational mode of the air conditioner.

Description

Air conditioner and control method thereof
Technical field
The present invention relates to air conditioner, especially relate to the control circuit of air conditioner.
Background technology
Along with the raising of people's living standard, the use of air conditioner is more and more general.So-called air conditioner is meant and can be regulated the duty of parts such as compressor, heat interchanger, ventilation unit by controller according to information such as environment temperatures, thus the conditioner of control room room temperature.Include controller CPU and temperature sensor in its control circuit, controller CPU carries out signal sampling to environment temperature, difference size between the temperature (design temperature) that reaches according to detected environment temperature and needs, the duty of control compressor, heat interchanger, ventilation unit.But, not only relevant to the Based Intelligent Control of air conditioner in actual applications with temperature, also should consider the active situation of human body and the situation of service time.For example, more when occupancy, when activity is comparatively violent, just need bigger refrigerating capacity; When the people enters sleep state, should make air conditioner enter sleep state operation, otherwise, occurred cold easily and made the sick situation of human body; In addition, when the people all leaves, generally should close air conditioner automatically, otherwise, forget the situation of closing air conditioner easily, cause the energy and waste economically.
The operational mode of common domestic air conditioner all is by artificial being provided with of input modes such as remote control or button, can't regulate automatically according to the active situation of people in the room and the situation of service time, do not satisfy the intellectuality and the comfortableness requirement of air conditioner yet, inconvenient operation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and a kind of air conditioner and the control method thereof that can respond to physical activity situation and light power is provided; According to the active situation of people in the room and the power of light, come automatic switching or change operational mode, thereby reach comfortable energy-conservation again effect.
The present invention is achieved through the following technical solutions:
A kind of air conditioner, described air conditioner comprises the control circuit that has singlechip CPU, it is characterized in that: also comprise human body induction detection circuit in the control circuit of described air conditioner; Described human body induction detection circuit includes human body sensor and signaling conversion circuit one; The I/O interface one of the output termination air conditioner singlechip CPU of described signaling conversion circuit one; Be solidified with Control Software one in described singlechip CPU, under the effect of Control Software one, singlechip CPU is according to the operational mode of the sampled signal control air conditioner of human body induction detection circuit input.
Comprise also in the control circuit of described air conditioner and the photoinduction testing circuit that described photoinduction testing circuit includes photoinduction sensor and signaling conversion circuit two; The I/O interface two of the output termination air conditioner singlechip CPU of described signaling conversion circuit two; Be solidified with Control Software two in described singlechip CPU, under the effect of Control Software two, singlechip CPU is handled the signal of being imported by the photoinduction testing circuit, thus the operational mode of control air conditioner.
The control method of air conditioner, wherein, control flow is as follows:
Step 1: open air conditioner;
Step 2: the control circuit of air conditioner selects to carry out human body induction function control flow or light-sensing function control flow; As select to carry out the human body induction function control flow, and then enter step 3, carry out the light-sensing function control flow as selecting, then enter step 5;
Step 3: open the human body induction control function, human body sensor is collected signal, after by signaling conversion circuit one human-induced signal being handled, transfers to singlechip CPU, enters step 4;
Step 4: singlechip CPU judges whether to detect the human body sensing electric signal, if do not have, then continues to detect, if having, then controlling air conditioner will be by opening the prefunctional mode operation that is provided with of human body induction control;
Step 5: open the photoinduction control function, the photoinduction sensor is collected signal, by signaling conversion circuit two with the photoinduction signal Processing after, transfer to singlechip CPU, enter step 6;
Step 6: as Fig. 4, singlechip CPU detects the electric signal V of light sensor, electric signal V is compared with setting value Vo, and the control air conditioner will be by sleep state or automatic mode or air supply pattern or before opening the photoinduction control function is provided with mode operation;
Step 7: shut down, and return step 2.
Beneficial effect of the present invention is as follows:
Implement air conditioner of the present invention, owing on the basis of original air conditioner, installed human body induction detection circuit and photoinduction testing circuit additional, therefore, can detect number what, indoor situations such as people's activity size, light power automatically, automatically regulate operational mode, Auto Power On, shutdown of air conditioner etc. according to the information that detects, indoor temperature is remained on human body feel comfortable state most, thereby reach comfortable energy-conservation again effect.The present invention is installed human body induction detection circuit and photoinduction testing circuit additional and is constituted on the control circuit of original air conditioner, circuit is simple, the accuracy of detection height, and cost is low, is fit to very much apply.
Description of drawings
Below in conjunction with drawings and Examples the present invention is done further detailed description.
Fig. 1 is the physical circuit figure of air conditioner control circuit of the present invention;
Fig. 2 is the human body induction detection circuit figure of air conditioner control circuit of the present invention;
Fig. 3 is the photoinduction testing circuit figure of air conditioner control circuit of the present invention;
Fig. 4 is the performance chart of the photoinduction sensor of air conditioner control circuit of the present invention;
Fig. 5 is the connection diagram of air conditioner control circuit of the present invention.
Embodiment
The present invention discloses a kind of air conditioner, and as Fig. 1, shown in Figure 5, described air conditioner comprises the control circuit that has singlechip CPU, wherein: also comprise human body induction detection circuit and photoinduction testing circuit in the control circuit of described air conditioner; Described human body induction detection circuit includes human body sensor and signaling conversion circuit one, and described photoinduction testing circuit includes photoinduction sensor and signaling conversion circuit two; The I/O interface one of the output termination air conditioner singlechip CPU of described signaling conversion circuit one; Be solidified with Control Software one in described singlechip CPU, under the effect of Control Software one, singlechip CPU is according to the operational mode of the sampled signal control air conditioner of human body induction detection circuit input; The I/O interface two of the output termination air conditioner singlechip CPU of described signaling conversion circuit two; Be solidified with Control Software two in described singlechip CPU, under the effect of Control Software two, singlechip CPU is handled the signal of being imported by the photoinduction testing circuit, thus the operational mode of control air conditioner.
As shown in Figure 2, in the described human body induction detection circuit, the input termination positive source of human body sensor, output terminal and current-limiting resistance R102 are connected in series; Described human body induction detection circuit also includes divider resistance R103 and triode V201; The base stage of described triode V201 connects the other end of resistance R 102, divider resistance R103 one termination power positive pole, the collector of another termination triode V201, the grounded emitter of described triode V201; Described human body sensor is provided with earth terminal G end; The collector of triode V201 is connected with singlechip CPU simultaneously.
Described triode V201 model is: 9013 types, and the resistance of divider resistance R103 and current-limiting resistance R102 is 100K; Described power supply is+5V.
Described human body sensor model is: human body sensor AMN11112 (white)/AMN11111 (black).
Described human body sensor is installed on the air conditioner room unit structural member, is wired on the signaling conversion circuit one.
As shown in Figure 3, in the described photoinduction testing circuit, the photoinduction sensor is a kind of photoresistance R101.
In the described photoinduction testing circuit, described photoresistance R101 one termination power positive pole, the other end links to each other with divider resistance R104, filter capacitor C13, singlechip CPU; Described divider resistance R104 and filter capacitor C13 are connected in parallel, the other end ground connection of described divider resistance R104 and filter capacitor C13.
Described photoresistance R101 resistance is: 100K, and filter capacitor C13 model is: ceramic disc capacitor 104 (S.Z)/50V; Photoresistance R101 model is: photoresistance N5AC-20508; Described power supply is+5V.
Described photoinduction sensor is installed on the air conditioner room unit structural member, is wired on the signaling conversion circuit two.
The present invention also discloses a kind of control method of air conditioner as mentioned above, and wherein, control flow is as follows:
Step 1: open air conditioner;
Step 2: the control circuit of air conditioner selects to carry out human body induction function control flow or light-sensing function control flow; As select to carry out the human body induction function control flow, and then enter step 3, carry out the light-sensing function control flow as selecting, then enter step 5;
Step 3: open the human body induction control function, human body sensor is collected signal, after by signaling conversion circuit one human-induced signal being handled, transfers to singlechip CPU, enters step 4;
Step 4: singlechip CPU judges whether to detect the human body sensing electric signal, if do not have, then continues to detect, if having, then controlling air conditioner will be by opening the prefunctional mode operation that is provided with of human body induction control;
Step 5: open the photoinduction control function, the photoinduction sensor is collected signal, by signaling conversion circuit two with the photoinduction signal Processing after, transfer to singlechip CPU, enter step 6;
Step 6: singlechip CPU detects the electric signal V of light sensor, and electric signal V is compared with setting value Vo, and the control air conditioner will be by sleep state or automatic mode or air supply pattern or before opening the photoinduction control function is provided with mode operation;
Step 7: shut down, and return step 2.
The control method of described air conditioner, the control flow of singlechip CPU implementation human body induction control function is as follows:
(1) opens the human body induction control function;
(2) when human body sensor perceives human body mobile, will the output voltage pulse signal, when no human body moves, just there is not pulse signal output;
(3) this voltage pulse signal is wired on the signaling conversion circuit one, after amplifying by triode V201, is input to singlechip CPU again;
(4) singlechip CPU has judged whether the people in activity according to connecing this pulse signal, through after the comprehensive analysis processing, and the running status of control air conditioner.
When carrying out the human body induction control function, if continuous 20 minutes, human body sensor is not sensed moving of people, does not just have pulse signal output; Singlechip CPU control air conditioner is shut down; When human body sensor is sensed people's movable signal, air conditioner will restart and by carrying out the prefunctional mode operation that is provided with of human body induction control.
The control method of described air conditioner, the control flow of singlechip CPU implementation photoinduction control function is as follows:
(1) opens the photoinduction control function;
When (2) the photoinduction sensor was experienced the light of varying strength, the resistance value of himself will change; Signaling conversion circuit two with the resistance value signal Processing after, input voltage signal is to singlechip CPU;
(3) CPU detects the voltage signal of light sensor, if the resistance value signal R of light sensor during greater than setting value R1, then the input voltage signal value shows that greater than setting value V1 light is brighter, and CPU control air conditioner enters the running status on daytime; If resistance value signal R is less than setting value R2, through the R104 dividing potential drop, single-chip microcomputer detects the correspondent voltage signal less than setting value V2, can think that promptly light is dark at this moment, thereby the control air conditioner enters the sleep pattern operation.
When the photoinduction sensor was experienced the light of varying strength, the resistance value of himself will change, and light intensity sees accompanying drawing 4 for details with the variation relation of corresponding resistance.For example when the photoresistance resistance was R1, this moment, light intensity can be thought daytime.By resistance R 104 dividing potential drops, the voltage signal that be input to single-chip microcomputer this moment is V1:
V1=5*R1/100K+R1
Single-chip microcomputer is according to the voltage signal of input, and after AD conversion, it is stronger just can total score to separate out this moment indoor light intensity, thereby withdraws from sleep pattern, by the running status of the operational mode control air conditioner on daytime.
Otherwise, when the photoresistance resistance is R2,, after single-chip microcomputer detects the correspondent voltage signal, can think that promptly light is dark at this moment, thereby the control air conditioner enters the sleep pattern operation through the R104 dividing potential drop.
When carrying out the photoinduction control function, freeze, heat, during dehumidification mode, when continuous detecting when light was dark in 1 minute air-conditioning system enter sleep state; When automatic or air supply pattern pattern, do not enter sleep state; If 1 minute light of continuous detecting is strong, air-conditioning system will be to enter the setting mode operation before the sleep state.
Above-mentioned listed specific implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.

Claims (14)

1. air conditioner, described air conditioner comprises the control circuit that has singlechip CPU, it is characterized in that: also comprise human body induction detection circuit in the control circuit of described air conditioner; Described human body induction detection circuit includes human body sensor and signaling conversion circuit one; The I/O interface one of the output termination air conditioner singlechip CPU of described signaling conversion circuit one; Be solidified with Control Software one in described singlechip CPU, under the effect of Control Software one, singlechip CPU is according to the operational mode of the sampled signal control air conditioner of human body induction detection circuit input; It is characterized in that: in the described human body induction detection circuit, the input termination positive source of human body sensor, output terminal and current-limiting resistance R102 are connected in series; Described human body induction detection circuit also includes divider resistance R103 and triode V201; The base stage of described triode V201 connects the other end of current-limiting resistance R102, divider resistance R103 one termination power positive pole, the collector of another termination triode V201, the grounded emitter of described triode V201; Described human body sensor is provided with earth terminal; The collector of triode V201 is connected with singlechip CPU simultaneously.
2. air conditioner as claimed in claim 1 is characterized in that: also comprise the photoinduction testing circuit in the control circuit of described air conditioner, described photoinduction testing circuit includes photoinduction sensor and signaling conversion circuit two; The I/O interface two of the output termination air conditioner singlechip CPU of described signaling conversion circuit two; Be solidified with Control Software two in described singlechip CPU, under the effect of Control Software two, singlechip CPU is handled the signal of being imported by the photoinduction testing circuit, thus the operational mode of control air conditioner.
3. air conditioner as claimed in claim 2 is characterized in that: described triode V201 model is: 9013 types, and the resistance of divider resistance R103 and current-limiting resistance R102 is 100K; Described power supply is+5V.
4. air conditioner as claimed in claim 3 is characterized in that: described human body sensor model is: AMN11112 white or AMN11111 black.
5. as claim 3 or 4 described air conditioners, it is characterized in that: described human body sensor is installed on the air conditioner room unit structural member, is wired on the signaling conversion circuit one.
6. air conditioner as claimed in claim 2 is characterized in that: in the described photoinduction testing circuit, the photoinduction sensor is a kind of photoresistance R101.
7. air conditioner as claimed in claim 6 is characterized in that: in the described photoinduction testing circuit, and described photoresistance R101 one termination power positive pole, the other end links to each other with divider resistance R104, filter capacitor C13, singlechip CPU; Described divider resistance R104 and filter capacitor C13 are connected in parallel, the other end ground connection of described divider resistance R104 and filter capacitor C13.
8. air conditioner as claimed in claim 7 is characterized in that: described photoresistance R101 resistance is: 100K, and filter capacitor C13 model is: ceramic disc capacitor 104 (S.Z)/50V; Photoresistance R101 model is: photoresistance N5AC-20508; Described power supply is+5V.
9. as claim 7 or 8 described air conditioners, it is characterized in that: described photoinduction sensor is installed on the air conditioner room unit structural member, is wired on the signaling conversion circuit two.
10. as the control method of air conditioner as described in the claim 2, it is characterized in that: control flow is as follows:
Step 1: open air conditioner;
Step 2: the control circuit of air conditioner selects to carry out human body induction function control flow or light-sensing function control flow; As select to carry out the human body induction function control flow, and then enter step 3, carry out the light-sensing function control flow as selecting, then enter step 5;
Step 3: open the human body induction control function, human body sensor is collected signal, after by signaling conversion circuit one human-induced signal being handled, transfers to singlechip CPU, enters step 4;
Step 4: singlechip CPU judges whether to detect the human body sensing electric signal, if do not have, then continues to detect, if having, then controlling air conditioner will be by opening the prefunctional mode operation that is provided with of human body induction control;
Step 5: open the photoinduction control function, the photoinduction sensor is collected signal, by signaling conversion circuit two with the photoinduction signal Processing after, transfer to singlechip CPU, enter step 6;
Step 6: singlechip CPU detects the electric signal V of light sensor, and electric signal V is compared with setting value Vo, and the control air conditioner will be by sleep state or automatic mode or air supply pattern or before opening the photoinduction control function is provided with mode operation;
Step 7: shut down, and return step 2.
11. control method as claimed in claim 10 is characterized in that: described human body induction detection circuit also includes divider resistance R103 and triode V201, and the control flow of singlechip CPU implementation human body induction control function is as follows:
(1) opens the human body induction control function;
(2) when human body sensor perceives human body mobile, will the output voltage pulse signal, when no human body moves, just there is not pulse signal output;
(3) this voltage pulse signal is wired on the signaling conversion circuit one, after amplifying by triode V201, is input to singlechip CPU again;
(4) singlechip CPU has judged whether the people in activity according to connecing this pulse signal, through after the comprehensive analysis processing, and the running status of control air conditioner.
12. control method as claimed in claim 11 is characterized in that: when carrying out the human body induction control function, if continuous 20 minutes, human body sensor is not sensed moving of people, does not just have pulse signal output; Singlechip CPU control air conditioner is shut down; When human body sensor is sensed people's movable signal, air conditioner will restart and by carrying out the prefunctional mode operation that is provided with of human body induction control.
13., it is characterized in that as claim 10 or 12 described control methods: in the described photoinduction testing circuit, photoresistance R101 one termination power positive pole, the other end links to each other with divider resistance R104, filter capacitor C13, singlechip CPU; The control flow of singlechip CPU implementation photoinduction control function is as follows:
(1) opens the photoinduction control function;
When (2) the photoinduction sensor was experienced the light of varying strength, the resistance value of himself will change; Signaling conversion circuit two with the resistance value signal Processing after, input voltage signal is to singlechip CPU;
(3) CPU detects the voltage signal of photoinduction sensor, if the resistance value signal R of photoinduction sensor during greater than setting value R1, then the input voltage signal value shows that greater than setting value V1 light is brighter, and CPU control air conditioner enters the running status on daytime; If resistance value signal R is less than setting value R 2, through divider resistance R104 dividing potential drop, single-chip microcomputer detects the correspondent voltage signal less than setting value V2, can think that promptly light is dark at this moment, thereby the control air conditioner enters the sleep pattern operation.
14. control method as claimed in claim 13 is characterized in that: when carrying out the photoinduction control function, freeze, heat, during dehumidification mode, when continuous detecting when light was dark in 1 minute air-conditioning system enter sleep state; When automatic or air supply pattern, do not enter sleep state; If 1 minute light of continuous detecting is strong, air-conditioning system will be to enter the setting mode operation before the sleep state.
CN2008100292413A 2008-07-04 2008-07-04 Air conditioner and control method thereof CN101620422B (en)

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CN102022801B (en) * 2010-12-09 2012-11-21 广州松下空调器有限公司 Control method for automatic sleep mode of air conditioner
CN102230663A (en) * 2011-06-29 2011-11-02 罗启培 Automatic energy-saving control system of central air conditioner
CN104596039B (en) * 2011-12-21 2017-03-15 珠海格力电器股份有限公司 The control method of operating modes of air conditioner, device and air-conditioner
CN103175283B (en) * 2011-12-21 2015-06-24 珠海格力电器股份有限公司 Control method and control device for air conditioner running mode and air conditioner
CN102734906A (en) * 2012-07-24 2012-10-17 西南大学 Air-conditioning system
CN102734907A (en) * 2012-07-24 2012-10-17 西南大学 Self-adaptive air conditioning system
CN102788407A (en) * 2012-08-03 2012-11-21 宁波奥克斯电气有限公司 Variable frequency air conditioner with intelligent sleep mode and control method thereof
CN104676821B (en) * 2013-11-29 2017-11-14 广东美的制冷设备有限公司 The method and apparatus for automatically turning on air-conditioner sleep mode
CN105276747B (en) * 2014-06-09 2018-09-04 美的集团股份有限公司 Air-conditioner control method based on intensity of illumination and control device
CN105911890B (en) * 2016-04-15 2018-10-30 深圳市全智芯科技有限公司 The omnipotent human body induction control device of jack type, electrical equipment
CN106545965A (en) * 2016-10-27 2017-03-29 北京许继电气有限公司 A kind of self adaptation temp. control method and system
CN106642567B (en) * 2016-12-14 2020-05-29 青岛海尔空调器有限总公司 Air conditioner operation control method
CN106765987A (en) * 2017-01-16 2017-05-31 青岛海尔空调器有限总公司 Air conditioner energy saving control method
CN109282454A (en) * 2018-09-12 2019-01-29 珠海格力电器股份有限公司 Air conditioner autocontrol method and system
CN109654673B (en) * 2018-11-27 2020-04-14 珠海格力电器股份有限公司 Air conditioner self-adaptive starting and stopping method and system and air conditioner
CN111237986A (en) * 2020-01-13 2020-06-05 广东志高暖通设备股份有限公司 Air conditioner display device and air conditioner

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