CN101546177A - Human induction shutdown method for air conditioner - Google Patents
Human induction shutdown method for air conditioner Download PDFInfo
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- CN101546177A CN101546177A CN200810066248A CN200810066248A CN101546177A CN 101546177 A CN101546177 A CN 101546177A CN 200810066248 A CN200810066248 A CN 200810066248A CN 200810066248 A CN200810066248 A CN 200810066248A CN 101546177 A CN101546177 A CN 101546177A
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Abstract
The invention provides a human induction shutdown method for an air conditioner. The air conditioner comprises a microprocessor, a human induction probe which receives control signals of the microprocessor and sends data signals to the microprocessor, and a control signal generating part which sends control signals to the microprocessor. The human induction shutdown method for the air conditioner comprises the following steps: detecting whether a person leaves a detection environment or not through the human induction probe; beginning to time by the microprocessor after the human induction probe detects that the person leaves the detection environment; before reaching a set time, detecting whether a person enters the detection environment or not; and entering a shutdown procedure if no one enters the detection environment when the set time is reached. The human induction shutdown method for the air conditioner can automatically shutdown various parts of an appliance one by one to complete the shutdown procedure by adopting reasonable measures according to the set delay time and the running state of the air conditioner, saves energy and ensures the safety of the appliance.
Description
Technical field
The invention belongs to field of air conditioning, relate in particular to a kind of intelligent air condition that possesses the human induction shutdown function.
Background technology
Air-conditioning is widely used in various occasions, because its power consumption is bigger, therefore brings very big energy pressure.Especially after domestic air conditioning was commonly used, electricity consumption of resident was very big, caused many cities the situation of rationing the power supply even having to have a power failure to occur in summer, brought negative effect for life and production.On the other hand, use in the process of air-conditioning in reality, particularly in public places, as public dining room, meeting room, office, hotel etc., after withdrawing from a room, the people often forgets and closes air-conditioning that this carelessness has aggravated the consumption of air-conditioning to the energy, therefore, air-conditioning the fabricator improve air-conditioning, and initial manual-lock air conditioning mode is improved, and designs the intelligent air-conditioning of closing automatically.For example Chinese invention patent discloses CN1936444A number and discloses the air-conditioning that a kind of infrared temperature-test technology is controlled, and it has disclosed the function of human induction shutdown, yet there are following two point defects at least in this human induction shutdown function:
First, automatically before the shutdown " time-delay " be not set, for example, if the user of short durationly left the bedroom two minutes, air-conditioning will be closed immediately automatically so, treats that the user returns after the bedroom, air-conditioning must be opened again once more, serviceable life, the especially child that this frequent switching on and shutting down meeting the reduces air-conditioning continuous automatic switch of air-conditioning that the air-conditioning place causes of frequently coming in and going out has influence on serviceable life of air-conditioning more.
The second, closing of air conditioner will meet certain sequence, below is that the shutdown under the different operating modes of air-conditioning requires:
(1) under the air-conditioning heating mode, when needing shutdown, if the electrical heating operation, should close electrical heating close compressor more earlier, when evaporator temperature less than Celsius 45 the degree below after, close inner blower, air door, just close four-way valve at last, finish whole shutdown process.If the pass compressor can constitute a threat to the safety of air-conditioning after not closing electrical heating earlier; If compressor, four-way valve close to close simultaneously compressor, pipeline are constituted influence; If evaporator temperature is higher than 45 degrees centigrade, then open automatic mode next time, air-conditioning can now be judged by accident, and the result is that air-conditioning can not heat.
(2) air conditioner is in defrost process, when needing shutdown, should treat that defrost finishes, and can close other electric component, otherwise is unfavorable for the unlatching that heats next time.
In a word, no matter be that Chinese invention patent discloses CN1936444A number or existing other infrared human body induction switch, all can not accomplish to have ready conditions, close according to priority each different electric components, all only be all electric components that cut off the power supply of air-conditioning simply or close air-conditioning simultaneously, this way can make the use of air-conditioning break down, even influences air-conditioning life-span and security.And prior art all is to allow infrared detection device in running order all the time, wastes certain electric energy.
Therefore, provide a kind of and can realize under reasonable terms that the people feels the real necessity that belongs to of the method for closing air-conditioning.
Summary of the invention
The object of the present invention is to provide a kind of human induction shutdown method of air conditioner, be intended to solve exist in the prior art can not under reasonable terms, close this technical matters of air-conditioning automatically.
The human induction shutdown method of air conditioner of the present invention may further comprise the steps:
Step a feels the probe detection people by the people and whether leaves testing environment;
Step b after the people feels probe and detects the people and leave testing environment, is picked up counting by microprocessor;
Step c, whether the someone enters into testing environment to arrive the preceding detection of setting-up time;
Steps d enters into testing environment then enters shutdown programm if arrive behind the setting-up time nobody.
Wherein steps d may further comprise the steps:
Steps d 1 judges whether air conditioner defrosts, if defrost, then continues defrosting and finishes until defrosting;
Steps d 2 finishes if air conditioner does not defrost or defrosts, and judges then whether electrical heating moves, if moving electrical heating, then closes electrical heating;
Steps d 3 is if electrical heating off-duty or closed is then closed the compressor in the air conditioner;
Whether steps d 4, the temperature of judging evaporator less than design temperature, after the temperature of evaporator drops to below the design temperature, and close chamber's inner blower and air door;
Steps d 5 judges that whether the shut-in time of compressor surpasses Preset Time, after office to be compressed surpasses Preset Time at the time of closing, closes four-way valve and the people feels probe.
The human induction shutdown method of air conditioner provided by the invention can adopt rational measure to close each electric component one by one and finish shutdown programm automatically according to the delay time that is provided with and the running status of air-conditioning, has both saved the energy, can guarantee security appliance again.
Description of drawings
Fig. 1 realizes hardware configuration schematic block diagram of the present invention;
Fig. 2 realizes another hardware configuration schematic block diagram of the present invention;
Fig. 3 is the process flow diagram of inventor's induction shutdown method;
Fig. 4 is the detailed step of shutdown programm among Fig. 3.
Embodiment
For the purpose, technical scheme and the advantage that make invention is clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Fig. 1, the related air conditioner human induction shutdown method of present embodiment is finished by following critical piece: the control signal production part 12 that is arranged on microprocessor 10 in the air conditioner, receives microprocessor 10 control signals and feel probe 11, transmit control signal to microprocessor to the people that microprocessor 10 sends data-signals.The people feels probe and 11 can be integrated on the air conditioner, can certainly be distributed in other position of the interior space, so that monitor's active situation more accurately; Control signal production part 12 can be an air-conditioning remote control, also can be the control assembly (for example, generally all comprise a control panel on the cabinet air-conditioner, also can realize control to air-conditioning by the button on the control panel) on the air-conditioning.It is emphasized that other air supply rate that the present invention may relate to, for example compressor, four-way valve, evaporator etc. all belong to very known parts in this area, do not give unnecessary details at this.
Control signal production part 12 can produce the control signal of whether opening the human induction shutdown function, and send this signal to microprocessor 10, microprocessor 10 is according to the opening and closing of this control signal control human induction shutdown function, for example, open at needs under the situation of human induction shutdown function, microprocessor 10 control people feel probe 11 work, as a kind of embodiment, the people feels the principle of work of probe can be as follows: human body all has constant body temperature, generally about 37 degree, so can send the infrared ray about specific wavelength 10UM, it is exactly to carry out work by the infrared ray about the 10UM that surveys the human body emission that the people feels probe 11.Gather on the infrared induction source after your optical filter of luxuriant and rich with fragrance mud of infrared ray about the 10UM of human body emission by probe tip strengthens, obtain one 20 meters and whether have the identification signal of human body and send to microprocessor 10 with interior.In conjunction with reference to shown in Fig. 2, feel the people and can increase by one between probe 11 and the microprocessor 10 and amplify and filtering circuit 13, the people feel probe 11 signals that obtain by amplification and filtering circuit 13 can the filtering daylight lamp, undesired signal such as natural light, make identification signal more accurate.
Following emphasis is set forth in the process that realizes the human induction shutdown method of air conditioner of the present invention under the above-mentioned hardware frame.
In conjunction with referring to shown in Fig. 3, start the human induction shutdown function after, in step 30, the people feels probe 11 detection people and whether leaves testing environment (whether the someone exists in the testing environment in other words), if the people does not leave testing environment (being to have the people to exist in the testing environment), then repeating step 30, continue to detect; If feeling probe 11, the people detects unmanned existence the in the testing environment, then execution in step 31, enter timing program, pick up counting (microprocessor 10 inside comprise timer circuit, and for example can set timing time is 5 minutes) by microprocessor 10, after timing begins, in step 32, judge whether to have reached setting-up time,, judge whether that so again the someone reenters in the testing environment if do not reach setting-up time, if nobody enters testing environment, repeating step 32 so; If someone enters into testing environment, turn back to step 30 so.If the judged result in the step 32 is for arriving setting-up time (that is, nobody enters into testing environment in setting-up time), then execution in step 33, enter into shutdown programm, and air conditioner is prepared shutdown.Like this, by step 32,34, can detect before arriving setting-up time whether the someone enters into testing environment, therefore air conditioner was closed automatically when the human induction shutdown method of air conditioner of the present invention can avoid that the user is of short duration to leave the bedroom, treat that the user returns after the bedroom, air-conditioning is opened once more, has avoided the frequent switching on and shutting down of air conditioner, also can shut down automatically after user's long-time (present embodiment is more than five minutes) withdraws from a room simultaneously.
The concrete steps of shutdown programm are please in conjunction with referring to shown in Fig. 4.Carry out in the process of shutdown programm at air conditioner, consider the characteristics and the working environment of air conditioner self, also should carry out following steps:
After starting shutdown programm, judge in step 40 at first whether air conditioner defrosts, if defrost, then execution in step 41, continue defrosting and finish until defrosting, finish if air conditioner does not defrost or defrosts, then execution in step 42, judge that whether electrical heating moves, if moving electrical heating, then closes electrical heating by step 43; If electrical heating off-duty or closed, then execution in step 44, close the compressor in the air conditioner; Execution in step 45 then, and whether the temperature of judging evaporator, drops to below 45 degrees centigrade up to evaporator if the temperature of evaporator is waited for its cooling so more than 45 degrees centigrade less than design temperature (for example 45 degrees centigrade); After the temperature of evaporator drops to below the design temperature, execution in step 46, close chamber's inner blower and air door; Judge in step 47 then whether compressor has closed (also can be other Preset Time) more than two minutes, if less than two minutes, wait for so compressor close more than two minutes after execution in step 48, close four-way valve and people and feel probe 11.By said process, air conditioner is reasonably closed according to the self-operating situation, avoided closing suddenly the fault and the loss that may bring.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (6)
1, a kind of human induction shutdown method of air conditioner, described air conditioner comprises microprocessor, receive the microprocessor control signal and to the people that microprocessor sends data-signal feel probe, to the control signal production part that microprocessor transmits control signal, the human induction shutdown method of described air conditioner may further comprise the steps:
Step a feels the probe detection people by the people and whether leaves testing environment;
Step b after the people feels probe and detects the people and leave testing environment, is picked up counting by microprocessor;
Step c, whether the someone enters into testing environment to arrive the preceding detection of setting-up time;
Steps d enters into testing environment then enters shutdown programm if arrive behind the setting-up time nobody.
2, the human induction shutdown method of air conditioner according to claim 1 is characterized in that, steps d may further comprise the steps:
Steps d 1 judges whether air conditioner defrosts, if defrost, then continues defrosting and finishes until defrosting;
Steps d 2 finishes if air conditioner does not defrost or defrosts, and judges then whether electrical heating moves, if moving electrical heating, then closes electrical heating;
Steps d 3 is if electrical heating off-duty or closed is then closed the compressor in the air conditioner;
Whether steps d 4, the temperature of judging evaporator less than design temperature, after the temperature of evaporator drops to below the design temperature, and close chamber's inner blower and air door;
Steps d 5 judges that whether the shut-in time of compressor surpasses Preset Time, after office to be compressed surpasses Preset Time at the time of closing, closes four-way valve and the people feels probe.
3, the human induction shutdown method of air conditioner according to claim 1 is characterized in that, the timing time of setting among the described step b is 5 minutes.
4, the human induction shutdown method of air conditioner according to claim 2 is characterized in that, the design temperature in the described steps d 4 is 45 degree Celsius.
5, the human induction shutdown method of air conditioner according to claim 2 is characterized in that, the Preset Time in the described steps d 5 is 2 minutes.
6, the human induction shutdown method of air conditioner according to claim 1 is characterized in that, described people feels and is provided with one between probe and the microprocessor and amplifies and filtering circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810066248A CN101546177B (en) | 2008-03-27 | 2008-03-27 | Human induction shutdown method for air conditioner |
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| CN200810066248A CN101546177B (en) | 2008-03-27 | 2008-03-27 | Human induction shutdown method for air conditioner |
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| CN101546177A true CN101546177A (en) | 2009-09-30 |
| CN101546177B CN101546177B (en) | 2012-10-10 |
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| CN102252363A (en) * | 2010-03-24 | 2011-11-23 | 三菱电机株式会社 | HVAC control system |
| CN102652271A (en) * | 2009-12-18 | 2012-08-29 | 日本电气株式会社 | Existence judgment device, system, method, and program |
| CN103006143A (en) * | 2011-09-22 | 2013-04-03 | 松下电器产业株式会社 | Toilet device |
| CN104791968A (en) * | 2015-04-28 | 2015-07-22 | 广西智通节能环保科技有限公司 | Intelligent shutdown system of air conditioner |
| CN105066327A (en) * | 2015-07-15 | 2015-11-18 | 广东美的暖通设备有限公司 | Indoor air blower control method and device |
| CN105241008A (en) * | 2011-03-31 | 2016-01-13 | 日立空调·家用电器株式会社 | Air conditioner |
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