CN104422070A - Air conditioner and air conditioner detection method - Google Patents
Air conditioner and air conditioner detection method Download PDFInfo
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- CN104422070A CN104422070A CN201310386174.1A CN201310386174A CN104422070A CN 104422070 A CN104422070 A CN 104422070A CN 201310386174 A CN201310386174 A CN 201310386174A CN 104422070 A CN104422070 A CN 104422070A
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- threshold value
- setting
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- warning device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
Abstract
The invention discloses an air conditioner and an air conditioner detection method. The air conditioner comprises a fan, a motor, a detection unit, an alarm unit and a controller. The air conditioner receives operation parameters detected by the detection unit, compares the operation parameters with a first set threshold and a second set threshold and controls the alarm unit to be in an alarm state when the operation parameters are smaller than the first set threshold and last for first preset time and controls the alarm unit to be in an operation stopping state when the operation parameters are smaller than the second set threshold and last for second preset time. According to the air conditioner, the motor operation parameters are detected through the detection unit, the detected operation parameters are compared with the first set threshold and the second set threshold which are obtained through experiments, and whether the operation parameters last for preset time is determined, accordingly, the controller can determine whether a dust filtering screen is full of dust and controls the alarm unit to alarm users when the dust filtering screen is full of dust, and the practicality is good.
Description
Technical field
The present invention relates to field of household appliances, in particular to the detection method of a kind of air-conditioner and this air-conditioner.
Background technology
After air-conditioner installation and operation a period of time, dirt filtrating screen and heat exchanger all may adsorb and the dust accumulated in various degree or other foul, thus cause air-conditioner freeze or heating performance decay, power rise, affect the comfortableness of user environment and increase power consumption, in addition, dust stratification also can lure and draw mould and grow, if clean dirt filtrating screen not in time, will affect the health of user.
Because the running environment of air conditioner room unit is not quite similar, the interval time producing dirty stifled phenomenon also there are differences, therefore only judges whether that dust-full method is scientific and reasonable not according to indoor fan motor accumulated running time.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, one object of the present invention be to propose a kind of can the detection method of the dust-full air-conditioner of intelligent reminding dirt filtrating screen.
One object of the present invention is to propose a kind of air-conditioner, and this air-conditioner has the dust-full function of intelligent reminding dirt filtrating screen.
According to the detection method of the air-conditioner of the embodiment of the present invention, air-conditioner comprises the motor for driving fan operation, comprises the steps: S1: air-conditioner enters running status; S2: detect the operating parameter values of motor, and the operating parameter values detected and first are set threshold value and second and set threshold value and compare; S3: when the operating parameter values detected is less than the first setting threshold value and continued for first scheduled time, control warning device and be in alarm condition, when detecting that operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controlling warning device and being in run-stopping status.
The operating parameter values detecting motor is passed through according to the detection method of the air-conditioner of the embodiment of the present invention, and the operating parameter values detected and means are by experiment obtained first sets threshold value and second and sets threshold value and compare and then can judge whether dirt filtrating screen is in dust-full state, and when dirt filtrating screen is in dust-full state to User Alarms, practicality is good.
In addition, the detection method of air-conditioner according to the above embodiment of the present invention can also have following additional technical characteristic:
What detect in step S2 is the speed instruction voltage value of motor, and the first setting threshold value and the second setting threshold value are respectively the first setting speed command voltage value and the second setting speed command voltage value.
What detect in step S2 is the running current of motor, and the first setting threshold value and the second setting threshold value are respectively the first setting running current value and the second setting running current.
What detect in step S2 is the power of motor, and the first setting threshold value and the second setting threshold value are respectively the first setting power and the second setting power.
What detect in step S2 is the moment of torsion of motor, and the first setting threshold value and the second setting threshold value be the first setting moment of torsion and the second setting moment of torsion respectively.
First scheduled time equaled for second scheduled time.
According to the air-conditioner of the embodiment of the present invention, comprising: blower fan; Motor, motor is connected to drive blower fan to rotate with blower fan; Checkout gear, checkout gear detects the running parameter of motor; Warning device; Controller, controller is connected with warning device with checkout gear, operating parameter values and first are also set threshold value and second and set threshold value and compare by the operating parameter values that controller receiving detection device detects, when operating parameter values is less than the first setting threshold value and continued for first scheduled time, controller controls warning device and is in alarm condition, when operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controller controls warning device and is in run-stopping status.
Detected the operating parameter values of motor by checkout gear according to the air-conditioner of the embodiment of the present invention, and by controller, the operating parameter values detected and means are by experiment obtained first set threshold value and second and set threshold value and compare and judge whether predetermined hold-time, and then controller can judge whether dirt filtrating screen is in dust-full state, and when dirt filtrating screen is in dust-full state, controller controls warning device to User Alarms, and practicality is good.
Warning device is light warning device and/or acoustic alarm device.
Light warning device is alarm lamp.
Acoustic alarm device is buzzer.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the detection method of air-conditioner according to an embodiment of the invention;
Fig. 2 is the structural representation of air-conditioner according to an embodiment of the invention.
Reference numeral:
Controller 1; Motor 2; Checkout gear 3; Warning device 4.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1, the detection method according to the air-conditioner of the embodiment of the present invention is described.
Wherein, the motor for driving fan operation is comprised according to the air-conditioner of the embodiment of the present invention.Motor can be DC brushless motor.Under steady-working state, rotation speed of fan depends on setting speed, and has nothing to do with fans load.
According to the detection method of the air-conditioner of the embodiment of the present invention, comprise the steps:
S1: air-conditioner enters running status.Such as when running status, the rotating speed of blower fan can be 1000rpm.
S2: detect the operating parameter values of motor, and the operating parameter values detected and first are set threshold value and second and set threshold value and compare.In one embodiment of the invention, checkout gear such as sensor can be adopted to detect the running parameter of motor, can controller be adopted, such as microcontroller, the operating parameter values detected and first be set threshold value and second and set threshold value and compare.Checkout gear sends the running parameter of the motor detected to controller, and the running parameter of the blower motor running that checkout gear can detect by controller compares with threshold operative parameter.
What deserves to be explained is, under steady-working state, rotation speed of fan depends on setting speed, and has nothing to do with fans load.Running parameter under setting speed condition during motor rotation changes with fans load change, and particularly, in an embodiment of the present invention, running parameter during motor rotation can comprise electric current, speed instruction voltage, power and the moment of torsion that motor runs.
At air conditioner dust filter gauze from clean state to the process of dust stratification gradually, air conditioner air-out amount obviously decays, and fans load changes.Such as, when rotation speed of fan is 1000rpm, air conditioner dust filter gauze cleaning, suppose that motor operating current is I0a, speed instruction voltage is V0a, and power is P0a, and moment of torsion is Q0a; When rotation speed of fan be similarly 1000rpm, air conditioner dust filter gauze reach dust-full time, the resistance that air enters air-conditioner increases, air conditioner air-out amount obviously decays, namely fans load diminishes, and the electric current of now blower motor operation, speed instruction voltage, power, moment of torsion are down to I0b, V0b, P0b, Q0b respectively.In like manner, when rotation speed of fan be 1100rpm, dirt filtrating screen become dust-full from cleaning time, the electric current that blower motor runs, speed instruction voltage, power, moment of torsion are down to I1b, V1b, P1b, Q1b by I1a, V1a, P1a, Q1a respectively.Means by experiment, can obtain under different rotation speed of fan condition, when dirt filtrating screen is respectively clean and dust-full two states, the running parameter of blower motor running, the i.e. situation of change of electric current, speed instruction voltage, power, moment of torsion, therefore, threshold operative parameter i.e. the first setting threshold value whether dirt filtrating screen is dust-full and the second setting threshold value is judged under any rotating speed can be obtained.First setting threshold value is less than the second setting threshold value, when the running parameter of blower motor running is less than the first setting threshold value, then represents that dirt filtrating screen is in dust-full state; When the running parameter of blower motor running is greater than the second setting threshold value, then represent that dirt filtrating screen is in clean state.
Described threshold operative parameter stores in the controller.After checkout gear sends the running parameter of the motor detected to controller, the running parameter of the blower motor running that checkout gear detects by controller compares with threshold operative parameter.
Particularly, described threshold operative parameter comprises the first setting electric current and the second setting electric current, the first setting speed command voltage and the second setting speed command voltage, the first setting power and the second setting power, the first setting moment of torsion and the second setting moment of torsion.
S3: when the operating parameter values detected is less than the first setting threshold value and continued for first scheduled time, control warning device and be in alarm condition, when detecting that operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controlling warning device and being in run-stopping status.In one embodiment of the invention, controller can be adopted the operating parameter values detected and first to be set threshold value and second set when threshold value compares and judges whether the operating parameter values detected is less than the first setting threshold value and continued for first scheduled time or be greater than the second setting threshold value and continued for second scheduled time, controller can also control warning device and be in alarm condition to User Alarms or be in run-stopping status.
Particularly, when the electric current that the blower motor detected runs is less than the first setting electric current and continued for first scheduled time, controller judges that dirt filtrating screen is dust-full, and controls warning device warning to point out user to clean dirt filtrating screen.
Or when the speed instruction voltage detecting that blower motor runs is less than the first setting speed command voltage and continued for first scheduled time, controller judges that dirt filtrating screen is dust-full, and controls warning device warning.
Or when the power detecting that blower motor runs is less than the first setting power and continued for first scheduled time, controller judges that dirt filtrating screen is dust-full, and controls warning device warning.
Or when the moment of torsion detecting that blower motor runs is less than the first setting moment of torsion and continued for first scheduled time, controller judges that dirt filtrating screen is dust-full, and controls warning device warning.
Correspondingly, when the electric current that the blower motor that detects runs is greater than the second setting electric current and continued for second scheduled time, controller judges dirt filtrating screen cleaning, and controls warning device and be in run-stopping status.
Or when the speed instruction voltage that the blower motor that detects runs is greater than the second setting speed command voltage and continued for second scheduled time, controller judges dirt filtrating screen cleaning, and control warning device and be in run-stopping status.
Or when the power that the blower motor that detects runs is greater than the second setting power and continued for second scheduled time, controller judges dirt filtrating screen cleaning, and control warning device and be in run-stopping status.
Or when the moment of torsion that the blower motor that detects runs is greater than the second setting moment of torsion and continued for second scheduled time, controller judges dirt filtrating screen cleaning, and control warning device and be in run-stopping status.
Be understandable that, first scheduled time and second scheduled time also can means obtain or arrange as the case may be and specifically by experiment.By setting first scheduled time and second scheduled time, other situation interference can be got rid of, judge whether dirt filtrating screen is in dust-full state more exactly, avoid controller frequently to control warning device and open, improve the reliability of this detection method.
In one embodiment of the invention, first scheduled time equaled for second scheduled time.
The operating parameter values detecting motor is passed through according to the detection method of the air-conditioner of the embodiment of the present invention, and the operating parameter values detected and means are by experiment obtained first sets threshold value and second and sets threshold value and compare, and then can judge whether dirt filtrating screen is in dust-full state, and when dirt filtrating screen is in dust-full state to User Alarms, dirt filtrating screen is cleaned in time with reminding user, thus provide safeguard for the comfortableness of air-conditioned room and wholesomeness, and make air-conditioner reach the effect of long-term energy-saving run, and this detection method principle is simple, Practical Performance is good.
Below with reference to Fig. 2, the air-conditioner according to the embodiment of the present invention is described.
According to the air-conditioner of the embodiment of the present invention, comprise blower fan, motor 2, checkout gear 3, warning device 4 and controller 1.
Wherein, motor 2 can be connected to drive blower fan to rotate with blower fan.Motor 2 can be DC brushless motor.Under steady-working state, rotation speed of fan depends on setting speed, and has nothing to do with fans load.
Checkout gear 3 can detect the running parameter of motor 2.Such as, the running parameter of motor 2 can comprise electric current, speed instruction voltage, power, moment of torsion.
Controller 1 is connected with warning device 4 with checkout gear 3.Controller 1 can be microcontroller.Operating parameter values and first are also set threshold value and second and set threshold value and compare by the operating parameter values that controller 1 receiving detection device 3 detects, when operating parameter values is less than the first setting threshold value and continued for first scheduled time, controller 1 controls warning device 4 and is in alarm condition, when operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controller 1 controls warning device 4 and is in run-stopping status.
First setting threshold value and the second setting threshold value obtain by laboratory facilities and are stored in controller 1.Checkout gear 3 detects running parameter such as electric current, speed instruction voltage, power, the moment of torsion of motor 2, and sending the running parameter of the motor 2 detected to controller 1, the running parameter that the blower motor 2 that checkout gear 3 detects by controller 1 operates compares with threshold operative parameter.When operating parameter values is less than the first setting threshold value and continued for first scheduled time, controller 1 controls warning device 4 and is in alarm condition, when operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controller 1 controls warning device 4 and is in run-stopping status.
Particularly, when the electric current that motor 2 runs is less than the first setting electric current and continued for first scheduled time, or when the speed instruction voltage detecting that blower motor 2 runs is less than the first setting speed command voltage and continued for first scheduled time, or when the power detecting that blower motor 2 runs is less than the first setting power and continued for first scheduled time, or when the moment of torsion detecting that blower motor 2 runs is less than the first setting moment of torsion and continued for first scheduled time, controller 1 judges that dirt filtrating screen is dust-full, and control warning device 4 and report to the police to point out user to clean dirt filtrating screen.
Correspondingly, when the electric current that the blower motor 2 detected runs is greater than the second setting electric current and continued for second scheduled time, or when the speed instruction voltage that the blower motor 2 detected runs is greater than the second setting speed command voltage and continued for second scheduled time, or when the power that the blower motor 2 detected runs is greater than the second setting power and continued for second scheduled time, or when the moment of torsion that the blower motor 2 detected runs is greater than the second setting moment of torsion and continued for second scheduled time, controller 1 judges that dirt filtrating screen is clean, and control warning device 4 and be in run-stopping status.
Be understandable that, first scheduled time and second scheduled time also can means obtain or arrange as the case may be and specifically by experiment.Other situation interference can be got rid of by setting first scheduled time and second scheduled time, judging whether dirt filtrating screen is in dust-full state more exactly, avoid controller 1 frequent control warning device 4 to open, improve this air-conditioner reliability of operation.
What deserves to be explained is, in the detection method of above-mentioned air-conditioner, described operation principle and the course of work of controller 1 and warning device 4 in detail, repeated no more here.
According to the air-conditioner of the embodiment of the present invention, the operating parameter values of motor 2 is detected by checkout gear 3, and by controller 1, the operating parameter values detected and means are by experiment obtained first set threshold value and second and set threshold value and compare and judge whether predetermined hold-time, and then controller 1 can judge whether dirt filtrating screen is in dust-full state, and when dirt filtrating screen is in dust-full state, controller 1 controls warning device 4 to User Alarms, dirt filtrating screen is cleaned in time with reminding user, thus provide safeguard for the comfortableness of air-conditioned room and wholesomeness, and make air-conditioner reach the effect of long-term energy-saving run.
In one embodiment of the invention, warning device 4 is light warning device and/or acoustic alarm device.That is, warning device 4 only can adopt light warning device or only adopt acoustic alarm device, and certain warning device 4 also can adopt light warning device harmony warning device simultaneously.
Be understandable that, light warning device is by sending optical signal reminding user, and such as, light warning device can be alarm lamp or display screen reminded in word.Certain alarm lamp can be LED alarm lamp or other alarm lamps, and alarm lamp can grow the bright or reminding user that glimmers.Word reminds display screen to can be the display screen of air-conditioner, can show the prompting word of " dust-full " when dust-full on a display screen, and the color of word can be that redness waits vibrant initial color.And acoustic alarm device can send acoustical signal reminding user, such as, acoustic alarm device can be buzzer, and buzzer can send ring and carry out reminding user.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a detection method for air-conditioner, described air-conditioner comprises the motor for driving fan operation, it is characterized in that, comprises the steps:
S1: described air-conditioner enters running status;
S2: the operating parameter values detecting described motor, and the operating parameter values detected and first are set threshold value and second and set threshold value and compare;
S3: when the operating parameter values detected is less than the first setting threshold value and continued for first scheduled time, control warning device and be in alarm condition, when detecting that described operating parameter values is greater than the second setting threshold value and continued for second scheduled time, controlling warning device and being in run-stopping status.
2. the detection method of air-conditioner according to claim 1, it is characterized in that, what detect in described step S2 is the speed instruction voltage value of described motor, and described first setting threshold value and described second setting threshold value are respectively the first setting speed command voltage value and the second setting speed command voltage value.
3. the detection method of air-conditioner according to claim 1, it is characterized in that, what detect in described step S2 is the running current of described motor, and described first setting threshold value and described second setting threshold value are respectively the first setting running current value and the second setting running current.
4. the detection method of air-conditioner according to claim 1, is characterized in that, what detect in described step S2 is the power of described motor, and described first setting threshold value and described second setting threshold value are respectively the first setting power and the second setting power.
5. the detection method of air-conditioner according to claim 1, is characterized in that, what detect in described step S2 is the moment of torsion of described motor, described first setting threshold value and described second setting threshold value the first setting moment of torsion and the second setting moment of torsion respectively.
6. the detection method of the air-conditioner according to any one of claim 1-5, is characterized in that, described first scheduled time equaled for second scheduled time.
7. an air-conditioner, is characterized in that, comprising:
Blower fan;
Motor, described motor is connected with described blower fan to drive described blower fan to rotate;
Checkout gear, described checkout gear detects the running parameter of described motor;
Warning device;
Controller, described controller is connected with described warning device with described checkout gear, described controller receives described operating parameter values that described checkout gear detects and described operating parameter values and first is set threshold value and second and sets threshold value and compare, when described operating parameter values is less than the first setting threshold value and continued for first scheduled time, described controller controls described warning device and is in alarm condition, when described operating parameter values is greater than the second setting threshold value and continued for second scheduled time, described controller controls warning device and is in run-stopping status.
8. air-conditioner according to claim 7, is characterized in that, described warning device is light warning device and/or acoustic alarm device.
9. air-conditioner according to claim 7, is characterized in that, described smooth warning device is alarm lamp.
10. air-conditioner according to claim 7, is characterized in that, described acoustic alarm device is buzzer.
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| CN104807140A (en) * | 2015-04-27 | 2015-07-29 | 广东美的暖通设备有限公司 | Method and system for detecting dust retention and air conditioner adopting method |
| CN104949293A (en) * | 2015-07-23 | 2015-09-30 | 珠海市威士茂工业产品设计有限公司 | Air purifier capable of automatically judging service life of filter screen and automatic service life judgment method for filter screen of air purifier |
| CN104990205A (en) * | 2015-06-05 | 2015-10-21 | 广东美的制冷设备有限公司 | Air conditioner detecting method and device |
| CN105066329A (en) * | 2015-07-17 | 2015-11-18 | 广东美的暖通设备有限公司 | Air conditioner, and method and system of judging dust deposition situation of filter screen of air conditioner internal unit |
| CN105352117A (en) * | 2015-10-28 | 2016-02-24 | 北京艾浦乐科技有限公司 | Air purifier and filter screen replacement prompting method thereof |
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| CN110940038A (en) * | 2019-12-17 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | Air conditioner dust removal control method and device, air conditioner and computer readable storage medium |
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| CN112188170A (en) * | 2020-09-30 | 2021-01-05 | 重庆市海普软件产业有限公司 | Outdoor intelligent digital holder control system and method |
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