CN111928411A - Ultraviolet sterilization air conditioner, power-off protection method and computer readable storage medium - Google Patents
Ultraviolet sterilization air conditioner, power-off protection method and computer readable storage medium Download PDFInfo
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- CN111928411A CN111928411A CN202010673884.2A CN202010673884A CN111928411A CN 111928411 A CN111928411 A CN 111928411A CN 202010673884 A CN202010673884 A CN 202010673884A CN 111928411 A CN111928411 A CN 111928411A
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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
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
An ultraviolet sterilization air conditioner comprises an air conditioner shell, an air conditioner panel, an evaporator, a filter screen, a fan system and an air outlet, wherein one end of the air outlet is communicated with the fan system, and the other end of the air outlet is communicated with the outside; an ultraviolet sterilization device is arranged between the air conditioner panel and the evaporator and is installed inside the filter screen through a fixing mechanism; be equipped with the power-off protection system who is used for triggering ultraviolet germicidal device outage protect function in the air conditioner shell, power-off protection system is including setting up inboard luminance induction system and the main control unit of air conditioner panel, luminance induction system is used for responding to the ambient brightness, and main control unit judges whether to open the power-off protect function to ultraviolet germicidal device according to the luminance change. The air conditioner panel of the air conditioner is not closed or the panel is opened in the running process, the ultraviolet sterilization device can be automatically powered off, and the ultraviolet rays generated by the ultraviolet sterilization lamp are prevented from leaking.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an ultraviolet sterilization air conditioner, a power-off protection control method and a computer readable storage medium.
Background
With the continuous development of economy, the living standard of human beings is continuously improved, and refrigeration equipment such as an air conditioner is required in daily life. The air conditioner can provide a comfortable environment, and when the air conditioner operates, air passes through the air inlet, the filter screen and the fan of the air conditioner in sequence and is discharged to the indoor through the air outlet. When using the air conditioner, often close door and window in order to practice thrift the electric energy, the room air can not circulate with the external world, through long-time use after, breeds the bacterium on air conditioner heat exchanger, wind channel, fan subassembly easily, does not carry out disinfection processing, then the bacterium in the air conditioner can flow into indoorly along with the air current, causes harm to human health. The healthy air conditioner with the ultraviolet sterilization function is developed in order to solve the problem of indoor air pollution, inhibit and remove a great number of breeding microorganisms such as germs and viruses.
At present, the healthy air conditioner with the ultraviolet sterilization function mainly places the ultraviolet sterilization lamp inside the air conditioner shell, and irradiates the filter screen or the evaporator through the ultraviolet sterilization lamp for sterilization and disinfection, but the current healthy air conditioner with the ultraviolet sterilization function has the following defects: when the sterilization function is started, the air conditioner panel is not closed or the panel is opened in the operation process, the sterilization function can work normally, ultraviolet rays generated by the ultraviolet sterilization lamp leak, eyes and skin are easily burnt, and the human body is injured.
Disclosure of Invention
The invention aims to overcome the existing problems and provide an ultraviolet sterilization air conditioner, wherein an air conditioner panel of the air conditioner is not closed or the panel is opened in the running process, and an ultraviolet sterilization device can be automatically powered off, so that the phenomenon that ultraviolet rays generated by an ultraviolet sterilization lamp leak out, easily burn eyes and skin and cause injury to a human body is avoided.
Another object of the present invention is to provide a power-off protection method.
The purpose of the invention is realized by the following technical scheme:
an ultraviolet sterilization air conditioner comprises an air conditioner shell, an air conditioner panel arranged on the air conditioner shell, an evaporator arranged in the air conditioner shell, a filter screen arranged between the air conditioner panel and the evaporator, a fan system arranged in the air conditioner shell and an air outlet, wherein one end of the air outlet is communicated with the fan system, and the other end of the air outlet is communicated with the outside; an ultraviolet sterilization device is arranged between the air conditioner panel and the evaporator and is installed inside the filter screen through a fixing mechanism; wherein the content of the first and second substances,
be equipped with the power-off protection system who is used for triggering ultraviolet germicidal device outage protect function in the air conditioner shell, power-off protection system is including setting up inboard luminance induction system and the main control unit of air conditioner panel, luminance induction system is used for responding to the ambient brightness, and main control unit judges whether to open the power-off protect function to ultraviolet germicidal device according to the luminance change.
The working principle of the ultraviolet sterilization air conditioner is as follows:
during operation, the air in the external world filters the back through the filter screen, then flow into in the evaporimeter after ultraviolet sterilizing device's irradiation, sterile air that disinfects becomes cold air after the evaporimeter heat absorption, then, cold air gets into fan system, under the drive of fan system, cold air is seen off the external world from the air outlet, because air conditioner panel inboard is equipped with luminance induction system, when air conditioner panel is in the open mode, luminance induction system senses ultraviolet sterilizing device's ambient environment luminance and changes, main control unit receives the signal that ambient brightness changes, trigger ultraviolet sterilizing device's power-off protection function, ultraviolet sterilizing device cuts off the power supply, make ultraviolet sterilizing device close, the ultraviolet emergence of having avoided producing because of ultraviolet sterilizing device leaks, burn eyes, skin, cause the injury to the human body.
The invention relates to a light intensity detection circuit based on a photoresistor, which is characterized in that the light intensity detection circuit is provided with a photoresistor, the photoresistor is provided with a light intensity detection circuit, the light intensity detection circuit is used for generating a corresponding photosensitive signal corresponding to the change of the ambient light intensity by utilizing the characteristic that the resistance value of the photoresistor changes along with the change of the light intensity, a main controller collects the photosensitive signal and compares the photosensitive signal with a preset threshold value in a main controller program, if the photosensitive signal does not exceed the threshold value, the main controller program judges that a panel is not opened, if the photosensitive signal exceeds the threshold value.
Preferably, the ultraviolet sterilization device comprises a shell and ultraviolet lamp beads arranged in the shell.
Preferably, the fixing mechanism comprises a screw hole arranged on the shell, buckles respectively arranged at the upper end and the lower end of the shell, and a clamping groove arranged on the filter screen and matched with the buckles. Through the structure, the ultraviolet sterilization device can be more conveniently detached from the filter screen, so that the ultraviolet sterilization device and the filter screen can be conveniently maintained and cleaned.
Preferably, the power-off protection system further comprises an infrared sensor arranged on the housing for detecting the mounting position of the housing, and the infrared sensor is connected with the main controller. Infrared sensor can launch and receive infrared signal, infrared signal that infrared sensor received converts corresponding position signal into and passes to main control unit, this position signal is compared with the threshold value of predetermineeing in the main control unit procedure, unsatisfied the condition as position signal, then the casing breaks away from the mounted position, main control unit triggers ultraviolet sterilizing equipment's power-off protection function, the life-span of loss ultraviolet lamp pearl has been avoided, also prevent simultaneously that the user from not installing when target in place at ultraviolet sterilizing equipment, ultraviolet sterilizing equipment has been opened to the mistake.
A power-off protection method comprising the steps of:
(1) when the sterilization function of the ultraviolet sterilization device of the air conditioner is started;
(2) a brightness sensing device on the air conditioner panel generates photosensitive signals according to the brightness change of the surrounding environment of the ultraviolet sterilization device, and an infrared sensor in the ultraviolet sterilization device generates position signals according to the position difference of the ultraviolet sterilization device;
(3) the main controller collects a photosensitive signal and a position signal;
(4) comparing the photosensitive signal and the position signal with a preset threshold value in a main controller program respectively, and if the photosensitive signal does not exceed the threshold value, judging that the air conditioner panel is not opened by the main controller program, and carrying out assignment of a brightness detection zone bit: close = 1; if the photosensitive signal exceeds the threshold value, the main controller program judges that the air conditioner panel is opened, and the brightness detection zone bit is assigned: close =0, the power-off protection is carried out on the sterilization device, and a display panel lights up a warning lamp;
(5) on the premise that the photosensitive signal does not exceed the threshold value, if the position signal meets the condition, the main controller program judges that the ultraviolet sterilization device is installed in place, and the position detection zone bit is assigned with a value: if Distance =1, starting the sterilization function of the ultraviolet sterilization device; if the position signal does not meet the condition, the program of the main controller judges that the ultraviolet sterilization device is not installed in place, and the position detection zone bit is assigned: distance =0, the power-off protection is carried out on the sterilization device, and a display panel lights a warning lamp;
(6) the main controller continues to collect the photosensitive signal and the position signal, and executes brightness detection and position detection in a circulating manner until the user closes the sterilization function of the ultraviolet sterilization device.
Preferably, in step (3), the infrared signal emitted by the infrared sensor in the ultraviolet sterilization device will be reflected by the evaporator and then return to the infrared sensor, the intensity and the receiving frequency of the returned infrared signal will change according to the distance between the infrared sensor and the evaporator, and the infrared sensor receives the infrared signal and converts the infrared signal into a corresponding position signal to be transmitted to the main controller.
Preferably, in the steps (4) and (5), the photosensitive signal and the position signal are both analog signals, the main controller performs AD conversion after acquiring the signals, compares the signals with a preset threshold value in a program of the main controller, judges whether the ambient brightness and the installation position meet the operation condition, controls the on and off of the ultraviolet sterilization device in real time, and realizes power-off protection control.
Preferably, in steps (4) and (5), when the value of the brightness detection flag and the value of the position detection flag are both 1, the sterilization function of the ultraviolet sterilization device is turned on, otherwise, the values of the brightness detection flag and the position detection flag are both cleared, the ultraviolet sterilization device is protected from power failure, and the display panel lights up the warning lamp.
Another object of the present invention is to provide a computer-readable storage medium storing a computer program characterized in that: the computer program is for implementing the method steps of any of the above aspects.
Another object of the present invention is to provide an air conditioner including a memory and a processor, the memory storing a computer program, characterized in that: the processor calls the computer program to implement the method steps of any of the above aspects.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the brightness sensing device is arranged on the inner side of the air conditioner panel, when the air conditioner panel is in an open state, the brightness sensing device senses the change of the brightness of the surrounding environment, the main controller receives a signal of the change of the brightness of the environment to trigger the power-off protection function of the ultraviolet sterilization device, and the ultraviolet sterilization device is powered off to close the ultraviolet sterilization device, so that the ultraviolet sterilization device is prevented from leaking ultraviolet rays generated by the ultraviolet sterilization device and burning eyes and skin to hurt human bodies.
2. In the preferred scheme of the invention, the infrared sensor used for detecting the mounting position of the shell in the shell of the ultraviolet sterilization device can emit and receive infrared signals, the infrared signals received by the infrared sensor are converted into corresponding position signals to be transmitted to the main controller, and when the shell is separated from the mounting position, the main controller triggers the power-off protection function of the ultraviolet sterilization device, so that the service life of ultraviolet lamp beads is prevented from being lost, and meanwhile, the ultraviolet sterilization device is prevented from being started by mistake when the ultraviolet sterilization device is not mounted in place.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an embodiment of an ultraviolet sterilization air conditioner in the present invention.
Fig. 2 to 3 are schematic structural views of the ultraviolet sterilization apparatus of the present invention, wherein fig. 2 is a front view, and fig. 3 is a left side view.
Fig. 4 is a power-off protection control schematic diagram of the ultraviolet sterilization device.
FIG. 5 is a flowchart of the power-off protection control procedure of the UV sterilizer.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1 to fig. 3, the present embodiment discloses an ultraviolet sterilization air conditioner, including an air conditioner housing 7, an air conditioner panel 5 disposed on the air conditioner housing 7, an evaporator 2 disposed in the air conditioner housing 7, a filter screen 6 disposed between the air conditioner panel 5 and the evaporator 2, a fan system 1 disposed in the air conditioner housing 7, and an air outlet 3, where one end of the air outlet 3 is communicated with the fan system 1, and the other end is communicated with the outside; air conditioner panel 5 with be equipped with ultraviolet germicidal device 4 between evaporimeter 2, ultraviolet germicidal device 4 passes through fixed establishment and installs inside filter screen 6.
Referring to fig. 1-3, the ultraviolet sterilization device 4 includes a housing 8 and ultraviolet lamp beads disposed in the housing 8.
Further, be equipped with light transmission zone 9 on the casing 8, ultraviolet lamp pearl sets up in light transmission zone 9.
Referring to fig. 1-3, the fixing mechanism includes a screw hole 10 disposed on the housing 8, a buckle 11 disposed at the upper and lower ends of the housing 8, and a slot (not shown) disposed on the filter screen 6 and cooperating with the buckle 11. Through the structure, the ultraviolet sterilization device 4 can be more conveniently detached from the filter screen 6, so that the maintenance and the cleaning of the ultraviolet sterilization device 4 and the filter screen 6 are facilitated.
Referring to fig. 1 to 4, a power-off protection system for triggering the power-off protection function of the ultraviolet sterilization device 4 is arranged in the air conditioner casing 7, the power-off protection system includes a brightness sensing device arranged inside the air conditioner panel 5, an infrared sensor arranged in the light-transmitting area 9 and used for detecting the installation position of the shell 8, and a main controller, the brightness sensing device is used for sensing the ambient brightness, and the main controller judges whether to start the power-off protection function of the ultraviolet sterilization device 4 according to the brightness change; infrared sensor can launch and receive infrared signal, and infrared signal that infrared sensor received converts corresponding position signal into and reaches main control unit, and when casing 8 broke away from the mounted position, main control unit triggered ultraviolet germicidal device 4's power-off protection function, had avoided the life-span of loss ultraviolet lamp pearl, also prevented simultaneously that the user from when ultraviolet germicidal device 4 did not install in place, and ultraviolet germicidal device 4 has been opened to the mistake.
Referring to fig. 1 to 4, the luminance sensing device is mainly an illumination intensity detection circuit based on a photo resistor, and has an effect that, by using the characteristic that the resistance value of the photo resistor changes along with the illumination intensity of light, the luminance sensing device equipped with the photo resistor can generate a corresponding photosensitive signal in response to the change of the ambient brightness, the main controller collects the photosensitive signal and compares the photosensitive signal with a preset threshold value in a main controller program, if the photosensitive signal does not exceed the threshold value, the main controller program judges that the panel is not opened, and if the photosensitive signal exceeds the threshold value, the main controller program judges that the panel is opened, and a power-off protection function of the ultraviolet sterilization device 4 is triggered, so that the ultraviolet sterilization device 4 is powered off.
Referring to fig. 3, the power-off protection system detects the ambient brightness and the installation position of the ultraviolet sterilizer 4, and the brightness detection mainly utilizes the characteristic that the resistance value of the photoresistor changes along with the light irradiation intensity, so that the brightness sensing device provided with the photoresistor can generate corresponding photosensitive signals according to the change of the ambient brightness; the position detection is performed through an infrared sensor on the sterilization device, under the condition that the sterilization device is normally installed, an infrared signal emitted by the infrared sensor is reflected by the evaporator 2 and then returns to the infrared sensor, the intensity and the receiving frequency of the returned infrared signal can be changed according to the distance between the infrared sensor and the evaporator 2, and the infrared sensor receives the infrared signal and converts the infrared signal into a corresponding position signal to be transmitted to the main controller. Photosensitive signal and position signal are analog signal, and main control unit carries out AD conversion after gathering the signal to through the preset threshold value with in the procedure comparison, judge sterilizing equipment's ambient brightness and mounted position whether accord with operating condition, real-time control sterilizing equipment open and close, realize power-off protection control.
Referring to fig. 1 to 3, the operating principle of the ultraviolet sterilization air conditioner is as follows:
when in work, the outside air is filtered by the filter screen 6, then flows into the evaporator 2 after being irradiated by the ultraviolet sterilization device 4, the sterilized and disinfected air is changed into cold air after absorbing heat by the evaporator 2, then the cold air enters the fan system 1, the cold air is sent out from the air outlet 3 under the driving of the fan system 1, because the inner side of the air-conditioning panel 5 is provided with the brightness sensing device, when the air conditioner panel 5 is in an open state, the brightness sensing device senses that the ambient brightness of the ultraviolet sterilization device 4 changes, the main controller receives a signal of the change of the ambient brightness, triggers the power-off protection function of the ultraviolet sterilization device 4, powers off the ultraviolet sterilization device 4, the ultraviolet sterilization device 4 is closed, and the injury to human body caused by the burning of eyes and skin due to the leakage of ultraviolet rays generated by the ultraviolet sterilization device 4 is avoided.
Referring to fig. 4 to 5, the present embodiment discloses a power-off protection method, which includes the following steps:
(1) starting the sterilization function of the ultraviolet sterilization device 4;
(2) a brightness sensing device on the air-conditioning panel 5 generates photosensitive signals according to the brightness change of the surrounding environment of the ultraviolet sterilization device 4, and an infrared sensor in the ultraviolet sterilization device 4 generates position signals according to the position difference of the ultraviolet sterilization device 4;
(3) the main controller collects a photosensitive signal and a position signal;
(4) comparing the photosensitive signal and the position signal with a preset threshold value in a main controller program respectively, and if the photosensitive signal does not exceed the threshold value, judging that the air conditioner panel 5 is not opened by the main controller program, and carrying out assignment of a brightness detection zone bit: close =1, step (5) is performed; if the photosensitive signal exceeds the threshold value, the main controller program judges that the air conditioner panel 5 is opened, and carries out the assignment of the brightness detection zone bit: close =0, the power-off protection is carried out on the sterilization device, and a display panel lights up a warning lamp;
(5) on the premise that the photosensitive signal does not exceed the threshold value, if the position signal meets the condition, the main controller program judges that the ultraviolet sterilization device 4 is installed in place, and the position detection flag bit is assigned: if Distance =1, starting the sterilization function of the ultraviolet sterilization device; if the position signal does not meet the condition, the program of the main controller judges that the ultraviolet sterilization device 4 is not installed in place, and the position detection flag bit is assigned: distance =0, the power-off protection is carried out on the sterilization device, and a display panel lights a warning lamp;
(6) the main controller continues to collect the photosensitive signal and the position signal, and executes brightness detection and position detection in a circulating manner until the user closes the sterilization function.
Referring to fig. 4-5, in step (3), the infrared signal emitted from the infrared sensor in the ultraviolet sterilizer 4 is reflected by the evaporator 2 and then returns to the infrared sensor, the intensity and the receiving frequency of the returned infrared signal are changed according to the distance between the infrared sensor and the evaporator 2, and the infrared sensor receives the infrared signal and converts the infrared signal into a corresponding position signal to be transmitted to the main controller.
Referring to fig. 4-5, in steps (4) and (5), the photosensitive signal and the position signal are both analog signals, the main controller performs AD conversion after acquiring the signals, compares the signals with a preset threshold in the program of the main controller, determines whether the ambient brightness and the installation position meet the operating conditions, and controls the on and off of the ultraviolet sterilization device 4 in real time to realize power-off protection control.
Referring to fig. 4-5, in steps (4) and (5), when the assignment of the brightness detection flag and the assignment of the position detection flag are both 1, the sterilization function of the ultraviolet sterilization apparatus is turned on, otherwise, the assignment of the brightness detection flag and the assignment of the position detection flag are both cleared, the ultraviolet sterilization apparatus 4 is power-off protected, and the display panel lights up the warning lamp.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (11)
1. An ultraviolet sterilization air conditioner comprises an air conditioner shell, an air conditioner panel arranged on the air conditioner shell, an evaporator arranged in the air conditioner shell, a filter screen arranged between the air conditioner panel and the evaporator, a fan system arranged in the air conditioner shell and an air outlet, wherein one end of the air outlet is communicated with the fan system, and the other end of the air outlet is communicated with the outside; an ultraviolet sterilization device is arranged between the air conditioner panel and the evaporator and is installed inside the filter screen through a fixing mechanism; it is characterized in that the preparation method is characterized in that,
be equipped with the power-off protection system who is used for triggering ultraviolet germicidal device outage protect function in the air conditioner shell, power-off protection system is including setting up inboard luminance induction system and the main control unit of air conditioner panel, luminance induction system is used for responding to the ambient brightness, and main control unit judges whether to open the power-off protect function to ultraviolet germicidal device according to the luminance change.
2. The air conditioner as claimed in claim 1, wherein the brightness sensor is a photo-resistor based light intensity detection circuit.
3. The air conditioner of claim 1, wherein said uv sterilization means comprises a housing and a uv lamp bead disposed in said housing.
4. The air conditioner as claimed in claim 3, wherein the fixing mechanism comprises a screw hole disposed on the housing, a buckle disposed on the upper and lower ends of the housing, and a slot disposed on the filter screen and cooperating with the buckle.
5. The air conditioner of claim 3 or 4, wherein the power cut-off protection system further comprises an infrared sensor disposed in the housing for detecting a mounting position of the housing, the infrared sensor being connected to the main controller.
6. An automatic power-off protection control method of an ultraviolet sterilization device of an air conditioner is characterized by comprising the following steps:
(1) when the sterilization function of the ultraviolet sterilization device of the air conditioner is started;
(2) a brightness sensing device on the inner side of the air conditioner panel generates photosensitive signals according to the brightness change of the surrounding environment of the ultraviolet sterilization device, and an infrared sensor in the ultraviolet sterilization device generates position signals according to the position difference of the ultraviolet sterilization device;
(3) the main controller collects a photosensitive signal and a position signal;
(4) comparing the photosensitive signal and the position signal with a preset threshold value in a main controller program respectively, and if the photosensitive signal does not exceed the threshold value, judging that the air conditioner panel is not opened by the main controller program, and carrying out assignment of a brightness detection zone bit: close = 1; if the photosensitive signal exceeds the threshold value, the main controller program judges that the air conditioner panel is opened, and the brightness detection zone bit is assigned: close =0, the power-off protection is carried out on the sterilization device, and a display panel lights up a warning lamp;
(5) on the premise that the photosensitive signal does not exceed the threshold value, if the position signal meets the condition, the main controller program judges that the ultraviolet sterilization device is installed in place, and the position detection zone bit is assigned with a value: if Distance =1, starting the sterilization function of the ultraviolet sterilization device; if the position signal does not meet the condition, the program of the main controller judges that the ultraviolet sterilization device is not installed in place, and the position detection zone bit is assigned: distance =0, the power-off protection is carried out on the sterilization device, and a display panel lights a warning lamp;
(6) the main controller continues to collect the photosensitive signal and the position signal, and executes brightness detection and position detection in a circulating manner until the user closes the sterilization function of the ultraviolet sterilization device.
7. A power-off protection method as claimed in claim 6, wherein in step (3), the infrared signal emitted from the infrared sensor of the ultraviolet sterilization device is reflected by the evaporator and then returns to the infrared sensor, the intensity and receiving frequency of the returned infrared signal will change according to the distance between the infrared sensor and the evaporator, and the infrared sensor receives the infrared signal and converts the infrared signal into a corresponding position signal to be transmitted to the main controller.
8. A power-off protection method as claimed in claim 6, wherein in steps (4) and (5), the photosensitive signal and the position signal are both analog signals, the main controller performs AD conversion after acquiring the signals, and compares the signals with a preset threshold value in a program of the main controller to determine whether the ambient brightness and the installation position meet the operating conditions, and controls the on and off of the ultraviolet sterilization device in real time to realize power-off protection control.
9. A power-off protection method as claimed in claim 6, wherein in steps (4) and (5), when the values of the brightness detection flag and the position detection flag are both 1, the sterilization function of the ultraviolet sterilization apparatus is turned on, otherwise, the values of the brightness detection flag and the position detection flag are both cleared, the power-off protection is performed on the ultraviolet sterilization apparatus, and the display panel lights up the warning lamp.
10. A computer-readable storage medium storing a computer program, characterized in that: the computer program is for implementing the method steps of any one of claims 6 to 9.
11. An air conditioner comprising a memory and a processor, the memory storing a computer program, characterized in that: the processor calls the computer program to implement the method steps of any of claims 6 to 9.
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| CN202010673884.2A CN111928411B (en) | 2020-07-14 | 2020-07-14 | Ultraviolet sterilization air conditioner, power-off protection method and computer readable storage medium |
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| CN202010673884.2A CN111928411B (en) | 2020-07-14 | 2020-07-14 | Ultraviolet sterilization air conditioner, power-off protection method and computer readable storage medium |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112726145A (en) * | 2020-12-23 | 2021-04-30 | 珠海格力电器股份有限公司 | Machine cover seat and washing machine with same |
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