CN111486549A - Air conditioner outdoor unit filter screen processing method and device and air conditioner - Google Patents
Air conditioner outdoor unit filter screen processing method and device and air conditioner Download PDFInfo
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- CN111486549A CN111486549A CN202010322577.XA CN202010322577A CN111486549A CN 111486549 A CN111486549 A CN 111486549A CN 202010322577 A CN202010322577 A CN 202010322577A CN 111486549 A CN111486549 A CN 111486549A
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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
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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
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
- F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
Abstract
The invention provides a method and a device for processing a filter screen of an outdoor unit of an air conditioner and the air conditioner, aiming at unnecessary energy consumption generated by the real-time operation of a sensor in the prior art, and provides a method for pre-judging the filth blockage possibility of the filter screen, starting a filter screen detection sensor under the condition that the filth blockage is possible to occur, and adopting different filter screen cleaning modes according to different weather conditions.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method and a device for processing a filter screen of an outdoor unit of an air conditioner and the air conditioner.
Background
The prior art includes a scheme for detecting the cleanliness of a filter screen, but the prior art has a single detection means for the filter screen, and does not provide a switching mode for cleaning the filter screen, for example, after the filter screen of the outdoor unit is dirty and blocked, a user is prompted to clean the filter screen, which requires the user to disassemble the filter screen in person, the general user cannot carry out the cleaning, and only can wait for professional technical personnel to clean the filter screen, which wastes time and labor and costs a lot, or some schemes can solve the problem of dirty and blocked by the automatic cleaning of the filter screen through an air conditioner, but the prior automatic cleaning mode does not consider the influence of the weather reason of the environment in which the filter screen is used on cleaning the filter screen, so that the cleaning mode of the filter screen cannot effectively meet the requirement, has low intelligent degree, and in order to monitor the filter screen, the controlled parameters, the monitoring parameters are excessive, and the energy consumption of the sensor is also considered in the energy-saving range.
Disclosure of Invention
The embodiment of the invention provides a method and a device for processing a filter screen of an outdoor unit of an air conditioner and the air conditioner. Which is intended to solve at least the above-mentioned technical problems occurring in the prior art.
In order to solve the technical problem, the invention proposes a first aspect: the utility model provides an air conditioner outdoor unit filter screen processing method, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen state detection part of casing, the filter screen is located air intake and the air outlet department of air conditioner outdoor unit casing, its characterized in that: filter screen one side sets up air sensor, air sensor with automatically controlled box electric connection judges whether begin to detect the filter screen in service behavior comprehensively according to air sensor, including weather information receiving unit, electric current comparison circuit, fan switching circuit in the automatically controlled box, air conditioner outdoor unit casing bottom is provided with the water storage disk, set up the water pump in the water storage disk, the water pump outlet side passes through the spray tube and moves towards the filter screen, corresponds the clean mode of controlling the air conditioner outdoor unit filter screen according to real-time weather information.
Furthermore, water in the water storage disc comes from the indoor unit condensate water matched with the outdoor unit of the air conditioner, the condensate water of the indoor unit is guided to the water storage disc of the outdoor unit through the drain pipe to be stored, and pumping is carried out when the indoor unit condensate water is needed to be used.
Further, the weather information receiving unit is communicated with the server in a wireless communication mode to obtain real-time weather information and weather conditions of a future period of time, and based on the weather information, the cleaning mode of the filter screen of the outdoor unit of the air conditioner, which is to be used, is automatically judged. Specifically, when the weather information received by the weather information receiving unit is dry/clear, after the filter screen is judged to be dirty and blocked, the fan switching circuit is controlled to switch, so that the fan of the air conditioner outdoor unit rotates reversely, dust at the filter screen is blown away reversely and falls off, and the filter screen is cleaned. The spray pipe is located the casing is inside towards the filter screen that the casing air intake department set up.
Further, the filter screen state detecting part includes a current sensor configured to detect a real-time current of the fan of the outdoor unit of the air conditioner, and compares an actual measurement value with a current preset value using a current comparing circuit in the electric control box, and determines that the filter screen is dirty-clogged when the real-time current drops to 0.7 to 0.8 times the preset value.
Further, the filter screen state detection component comprises a voltage sensor, and the voltage sensor is used for acquiring the real-time voltage of the outdoor fan motor; calculating to obtain the real-time power of the motor according to the motor voltage and the motor current; and obtaining a preset power meter corresponding to the current outdoor environment, comparing, and judging that the air conditioner reaches a filth blockage condition when the absolute value of the difference value of the real-time power and the preset power is greater than a first threshold value and lasts for a first preset time. It can be clear that, in each condition for judging whether the filth blockage occurs, if one condition is met, the filth blockage is judged to occur, and the filth blockage needs to be cleaned as soon as possible to avoid the occurrence of the fault.
Furthermore, a pre-storage module is arranged in the electric control box and used for storing corresponding current preset values and preset power, and a synchronization module is also arranged and used for synchronizing the corresponding current preset values and the preset power to the server so as to facilitate checking and remote control of the server.
Further, in the step of rotating the fan of the outdoor unit of the air conditioner in the reverse direction, the fan rotates in the reverse direction at a preset frequency for a first preset time, and stops at intervals of a first preset time length, completes a cycle, and repeatedly controls for 2 or 3 cycles.
And further, in the normal operation process, setting an air quantity sensor at the position of the air inlet filter screen, judging that filth blockage is possible when the detected air quantity is lower than 80% of the initial air quantity value corresponding to the clean filter screen, starting to automatically acquire the weather information, and starting a judging step of comprehensively judging the filth blockage condition of the filter screen.
And further, under the condition that the dirty and blockage needs to be removed by spraying, the water pump is controlled to work, the PWM module is arranged in the electric control box and correspondingly controls the output voltage to control the frequency of the water pump, preferably, the highest frequency of the water pump is adopted to continuously output second preset time, the water pump stops after stopping for the second preset time at intervals, one period is finished, and the water pump stops after 2 or 3 periods of continuous control, so that the aim of cleaning the filter screen is fulfilled.
The invention proposes a second aspect scheme: the utility model provides a dirty stifled detection and processing apparatus of air conditioner outdoor unit filter screen, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the exhaust vent department of air conditioner outdoor unit casing, its characterized in that: an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electric control box, and whether the use condition of the filter screen is comprehensively detected is judged according to the air volume sensor; the electronic control box is provided with a remote bidirectional wireless interaction module which is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
The invention proposes a third aspect: the utility model provides an air conditioner, includes outdoor unit and the indoor unit who corresponds with outdoor unit, outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the exhaust vent department of air conditioner outdoor unit casing, its characterized in that: an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electric control box, and whether the use condition of the filter screen is comprehensively detected is judged according to the air volume sensor; the electronic control box is provided with a remote bidirectional wireless interaction module which is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
According to the scheme provided by the embodiment of the invention, only the air quantity sensor is started to detect the air quantity at the filter screen under a normal state, so that the starting number of the sensors is reduced, the energy is saved, when the air quantity sensor detects that the air quantity is reduced to a preset range, the possibility of dirty blockage is pre-judged, the use condition of the filter screen starts to be comprehensively detected at the moment, different conditions causing the dirty blockage of the filter screen of the outdoor unit of the air conditioner are considered in many aspects, and the scheme for cleaning the filter screen is correspondingly arranged according to different conditions.
Drawings
Fig. 1 is a schematic structural diagram of an electric control box of the invention.
Fig. 2 is a flow chart of a filter screen processing method of an air conditioning outdoor unit according to embodiment 1 of the present invention.
Fig. 3 is a control flow chart of the detection and processing device for filth blockage of the filter screen of the air conditioning outdoor unit in embodiment 2 of the invention.
Fig. 4 is a control flowchart of an air conditioner according to embodiment 3 of the present invention.
Detailed Description
Example 1:
the utility model provides an air conditioner outdoor unit filter screen processing method, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen state detection part of casing, the filter screen is located air intake and the air outlet department of air conditioner outdoor unit casing, its characterized in that: filter screen one side sets up air sensor, air sensor with automatically controlled box electric connection judges whether begin to detect the filter screen in service behavior comprehensively according to air sensor, including weather information receiving unit 2, electric current comparison circuit 3, fan switching circuit 4 in the automatically controlled box 1, air conditioner outdoor unit casing bottom is provided with the catch basin, set up the water pump in the catch basin, the water pump outlet side passes through the spray tube towards the filter screen, corresponds the clean mode of controlling air conditioner outdoor unit filter screen according to real-time weather information.
Further, in the normal operation process, an air volume sensor is arranged at the position of the air inlet filter screen, when the detected air volume is lower than 80% of the initial air volume value corresponding to the clean filter screen, the situation that dirty and blockage possibly occurs is judged, the weather information is automatically acquired, the comprehensive filter screen is started to judge the dirty and blockage situation, and otherwise, the data of the air volume sensor is continuously detected.
Furthermore, water in the water storage disc comes from the indoor unit condensate water matched with the outdoor unit of the air conditioner, the condensate water of the indoor unit is guided to the water storage disc of the outdoor unit through the drain pipe to be stored, and pumping is carried out when the indoor unit condensate water is needed to be used.
Further, the weather information receiving unit communicates with the server 5 in a wireless communication mode to obtain real-time weather information and weather conditions of a future period of time, and automatically judges a cleaning mode of a filter screen of an air conditioner outdoor unit to be used based on the weather information. Specifically, when the weather information received by the weather information receiving unit is dry/clear, after the filter screen is judged to be dirty and blocked, the fan switching circuit is controlled to switch, so that the fan of the air conditioner outdoor unit rotates reversely, dust at the filter screen is blown away reversely and falls off, and the filter screen is cleaned. The spray pipe is located the casing is inside towards the filter screen that the casing air intake department set up.
Further, the filter screen state detecting part includes a current sensor configured to detect a real-time current of the fan of the outdoor unit of the air conditioner, and compares an actual measurement value with a current preset value by using a current comparing circuit in the electric control box, and determines that the filter screen is dirty and blocked when the real-time current drops to 0.8 times of the preset value.
Further, the filter screen state detection component comprises a voltage sensor, and the voltage sensor is used for acquiring the real-time voltage of the outdoor fan motor; calculating to obtain the real-time power of the motor according to the motor voltage and the motor current; and obtaining a preset power meter corresponding to the current outdoor environment, comparing, and judging that the air conditioner reaches a filth blockage condition when the absolute value of the difference value of the real-time power and the preset power is more than 15% and lasts for 8 seconds. It can be clear that, in each condition for judging whether the filth blockage occurs, if one condition is met, the filth blockage is judged to occur, and the filth blockage needs to be cleaned as soon as possible to avoid the occurrence of the fault.
Furthermore, a pre-storage module is arranged in the electric control box and used for storing corresponding current preset values and preset power, and a synchronization module is also arranged and used for synchronizing the corresponding current preset values and the preset power to the server so as to facilitate checking and remote control of the server.
Further, in the step of rotating the fan of the outdoor unit of the air conditioner in the reverse direction, the rotating speed of the fan is correspondingly controlled to be the highest rotating speed, a period of 5 seconds and 10 seconds is set to be continuous, and normal operation is resumed after 2-3 periods are continuously completed.
Further, when the situation that dirty and blockage needs to be removed by spraying is judged, the water pump is controlled to work, a PWM module is arranged in the electric control box 1 and correspondingly controls output voltage for controlling the frequency of the water pump, preferably, the highest frequency of the water pump is continuously output for 10 seconds, then the water pump stops for 5 seconds to serve as a period, and the water pump stops after 3 periods of continuous control, so that the purpose of cleaning the filter screen is achieved.
The judgement to the filth stifled filter screen in this embodiment has included the common judgement of multi-parameter, satisfies under one of them circumstances, just judges for taking place filth stifled, and for prior art's single judgement, the information covers more comprehensively, has prevented comprehensively that air condensing units from the adverse effect that brings air conditioning unit under the filth stifled condition, has ensured the stability of air conditioner operation, promotes user experience comprehensively.
Simultaneously this application is through acquireing the clean mode of the required filter screen of weather information automatic judgement, fundamentally has avoided the clean effect that a simple clean mode of filter screen does not correspond with weather and leads to poor, the problem of extravagant energy, outdoor unit casing bottom is provided with the water storage disk simultaneously, its make full use of the water that congeals that the air conditioner operation in-process produced, belong to the discarded object and recycle, accord with environmental protection and energy saving's requirement, only open an air sensor through normal condition simultaneously, the means that other sensors do not operate, the energy consumption that the multisensor continued operation produced has been avoided.
Example 2:
the utility model provides a dirty stifled detection and processing apparatus of air conditioner outdoor unit filter screen, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the exhaust vent department of air conditioner outdoor unit casing, its characterized in that: the intelligent air purifier is characterized in that an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electronic control box, whether the use condition of the filter screen is comprehensively detected or not is judged according to the air volume sensor, the electronic control box is provided with a remote bidirectional wireless interaction module, the remote bidirectional wireless interaction module is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
Furthermore, water in the water storage disc comes from the indoor unit condensate water matched with the outdoor unit of the air conditioner, the condensate water of the indoor unit is guided to the water storage disc of the outdoor unit through the drain pipe to be stored, and pumping is carried out when the indoor unit condensate water is needed to be used.
Further, in the normal operation process, an air volume sensor is arranged at the position of the air inlet filter screen, when the detected air volume is lower than 80% of the initial air volume value corresponding to the clean filter screen, the situation that dirty and blockage possibly occurs is judged, the weather information is automatically acquired, the comprehensive filter screen is started to judge the dirty and blockage situation, and otherwise, the data of the air volume sensor is continuously detected.
Further, the weather information receiving unit communicates with the server 5 in a wireless communication mode to obtain real-time weather information and weather conditions of a future period of time, and automatically judges a cleaning mode of a filter screen of an air conditioner outdoor unit to be used based on the weather information. Specifically, when the weather information received by the weather information receiving unit is dry/clear, after the filter screen is judged to be dirty and blocked, the fan switching circuit is controlled to switch, so that the fan of the air conditioner outdoor unit rotates reversely, dust at the filter screen is blown away reversely and falls off, and the filter screen is cleaned. The spray pipe is located the casing is inside towards the filter screen that the casing air intake department set up.
Further, the filter screen state detecting part includes a current sensor configured to detect a real-time current of the fan of the outdoor unit of the air conditioner, and compares an actual measurement value with a current preset value by using a current comparing circuit in the electric control box, and determines that the filter screen is dirty and blocked when the real-time current drops to 0.7 times of the preset value.
Further, the filter screen state detection component comprises a voltage sensor, and the voltage sensor is used for acquiring the real-time voltage of the outdoor fan motor; calculating to obtain the real-time power of the motor according to the motor voltage and the motor current; and obtaining a preset power meter corresponding to the current outdoor environment, comparing, and judging that the air conditioner reaches a filth blockage condition when the absolute value of the difference value of the real-time power and the preset power is more than 12% and lasts for 10 seconds. It can be clear that, in each condition for judging whether the filth blockage occurs, if one condition is met, the filth blockage is judged to occur, and the filth blockage needs to be cleaned as soon as possible to avoid the occurrence of the fault.
Furthermore, a pre-storage module is arranged in the electric control box and used for storing corresponding current preset values and preset power, and a synchronization module is also arranged and used for synchronizing the corresponding current preset values and the preset power to the server so as to facilitate checking and remote control of the server.
Further, in the step of rotating the fan of the outdoor unit of the air conditioner in the reverse direction, the rotating speed of the fan is correspondingly controlled to be the highest rotating speed, a period of continuing for 8 seconds and then stopping for 10 seconds is taken as a period, and normal operation is resumed after 3 periods are continuously completed.
Further, when the situation that dirty and blockage needs to be removed by spraying is judged, the water pump is controlled to work, a PWM module is arranged in the electric control box 1 and correspondingly controls output voltage for controlling the frequency of the water pump, preferably, the highest frequency of the water pump is continuously output for 15 seconds and then stopped for 5 seconds to form a period, and the water pump is stopped after 3 periods of continuous control, so that the purpose of cleaning the filter screen is achieved.
This embodiment is directed at the angle of judging whether to take place filth stifled through the electric current, has carried out suitable down-regulation to the proportion of electric current, is applicable to the good operating mode of outdoor condition, just begins to clear up when the electric current drops to the condition of 0.7 times default, has practiced thrift the energy consumption, avoids the consumption that excessively clean brought, and other technological effects are the same with the embodiment.
Example 3:
the utility model provides an air conditioner, includes outdoor unit and the indoor unit who corresponds with outdoor unit, outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the exhaust vent department of air conditioner outdoor unit casing, its characterized in that: the intelligent air purifier is characterized in that an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electronic control box, whether the use condition of the filter screen is comprehensively detected or not is judged according to the air volume sensor, the electronic control box is provided with a remote bidirectional wireless interaction module, the remote bidirectional wireless interaction module is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
Further, in the normal operation process, an air volume sensor is arranged at the position of the air inlet filter screen, when the detected air volume is lower than 80% of the initial air volume value corresponding to the clean filter screen, the situation that dirty and blockage possibly occurs is judged, the weather information is automatically acquired, the comprehensive filter screen is started to judge the dirty and blockage situation, and otherwise, the data of the air volume sensor is continuously detected.
Furthermore, water in the water storage disc comes from the indoor unit condensate water matched with the outdoor unit of the air conditioner, the condensate water of the indoor unit is guided to the water storage disc of the outdoor unit through the drain pipe to be stored, and pumping is carried out when the indoor unit condensate water is needed to be used.
Further, the weather information receiving unit communicates with the server 5 in a wireless communication mode to obtain real-time weather information and weather conditions of a future period of time, and automatically judges a cleaning mode of a filter screen of an air conditioner outdoor unit to be used based on the weather information. Specifically, when the weather information received by the weather information receiving unit is dry/clear, after the filter screen is judged to be dirty and blocked, the fan switching circuit is controlled to switch, so that the fan of the air conditioner outdoor unit rotates reversely, dust at the filter screen is blown away reversely and falls off, and the filter screen is cleaned. The spray pipe is located the casing is inside towards the filter screen that the casing air intake department set up.
Further, the filter screen state detecting part includes a current sensor configured to detect a real-time current of the fan of the outdoor unit of the air conditioner, and compares an actual measurement value with a current preset value by using a current comparing circuit in the electric control box, and determines that the filter screen is dirty and blocked when the real-time current drops to 0.75 times of the preset value.
Further, the filter screen state detection component comprises a voltage sensor, and the voltage sensor is used for acquiring the real-time voltage of the outdoor fan motor; calculating to obtain the real-time power of the motor according to the motor voltage and the motor current; and obtaining a preset power meter corresponding to the current outdoor environment, comparing, and judging that the air conditioner reaches a filth blockage condition when the absolute value of the difference value of the real-time power and the preset power is more than 8% and lasts for 15 seconds. It can be clear that, in each condition for judging whether the filth blockage occurs, if one condition is met, the filth blockage is judged to occur, and the filth blockage needs to be cleaned as soon as possible to avoid the occurrence of the fault.
Furthermore, a pre-storage module is arranged in the electric control box and used for storing corresponding current preset values and preset power, and a synchronization module is also arranged and used for synchronizing the corresponding current preset values and the preset power to the server so as to facilitate checking and remote control of the server.
Further, in the step of rotating the fan of the outdoor unit of the air conditioner in the reverse direction, the rotating speed of the fan is correspondingly controlled to be the highest rotating speed, a period of continuing for 8 seconds and then stopping for 10 seconds is taken as a period, and normal operation is resumed after 3 periods are continuously completed.
Further, when the situation that dirty and blockage needs to be removed by spraying is judged, the water pump is controlled to work, a PWM module is arranged in the electric control box 1 and correspondingly controls output voltage for controlling the frequency of the water pump, preferably, the highest frequency of the water pump is continuously output for 8 seconds, then the water pump stops for 10 seconds to serve as a cycle, and 3 cycles are continuously controlled, so that the purpose of cleaning the filter screen is achieved.
Compared with the above embodiments, the present embodiment belongs to conventional modifications, and other technical effects are the same as the embodiments, and the present embodiment is intended to illustrate only the preferred embodiments of the present invention, and not to limit the scope of the present invention, and all the modifications made by the equivalent structures in the descriptions and drawings of the present invention or the direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The utility model provides an air conditioner outdoor unit filter screen processing method, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen state detection part of casing, the filter screen is located air intake and the air outlet department of air conditioner outdoor unit casing, its characterized in that: filter screen one side sets up air sensor, air sensor with automatically controlled box electric connection judges whether begin to detect the filter screen in service behavior comprehensively according to air sensor, including weather information receiving unit, electric current comparison circuit, fan switching circuit in the automatically controlled box, air conditioner outdoor unit casing bottom is provided with the water storage disk, set up the water pump in the water storage disk, the water pump outlet side passes through the spray tube and moves towards the filter screen, corresponds the clean mode of controlling the air conditioner outdoor unit filter screen according to real-time weather information.
2. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: the water in the water storage disc comes from the condensed water of the indoor unit matched with the outdoor unit of the air conditioner, and the condensed water of the indoor unit is guided to the water storage disc of the outdoor unit through the drain pipe to be stored.
3. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: the weather information receiving unit is communicated with the server in a wireless communication mode to obtain real-time weather information and weather conditions of a period of time in the future, when the weather information received by the weather information receiving unit is dry/clear weather, the fan switching circuit is controlled to switch after the filter screen is judged to be dirty and blocked, so that the fan of the outdoor unit of the air conditioner rotates reversely, and when the weather information received by the weather information receiving unit is wet/rainy weather, the electric control box controls the air conditioner to spray and clean water in the water storage disc firstly.
4. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: the filter screen state detecting part includes a current sensor configured to detect a real-time current of a fan of an outdoor unit of the air conditioner; and/or the filter screen state detection component comprises a voltage sensor, and the voltage sensor is used for acquiring the real-time voltage of the outdoor fan motor; and calculating to obtain the real-time power of the motor according to the motor voltage and the motor current.
5. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: the electric control box is internally provided with a pre-storage module which stores corresponding current preset values and preset power and is also provided with a synchronization module which is in bidirectional communication with the server.
6. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: in the step of reversely rotating the fan of the outdoor unit of the air conditioner, the fan reversely rotates for a first preset time according to a preset frequency, and is stopped for a first preset time interval, a period is completed, and the control is repeated for 2 or 3 periods.
7. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: and a PWM module is arranged in the electric control box, the PWM module correspondingly controls the output voltage, controls the highest frequency of the water pump to continuously output a second preset time, stops for a second preset time at intervals, finishes a period, and stops after continuously controlling for 2 or 3 periods.
8. The air conditioner outdoor unit filter screen processing method according to claim 1, characterized in that: and when the air quantity sensor detects that the air quantity is lower than 80% of the initial air quantity value corresponding to the clean filter screen, judging that filth blockage is possible, starting to automatically acquire the weather information, and starting to judge the filth blockage condition of the comprehensive filter screen.
9. The utility model provides an air conditioner outdoor unit filter screen processing apparatus, air conditioner outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the air outlet department of air conditioner outdoor unit casing, its characterized in that: the intelligent air purifier is characterized in that an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electronic control box, whether the use condition of the filter screen is comprehensively detected or not is judged according to the air volume sensor, the electronic control box is provided with a remote bidirectional wireless interaction module, the remote bidirectional wireless interaction module is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
10. The utility model provides an air conditioner, includes outdoor unit and the indoor unit who corresponds with outdoor unit, outdoor unit includes the casing and is located compressor, condenser, automatically controlled box and filter screen and the filter screen state detection part of casing, the filter screen is located air intake and the exhaust vent department of air conditioner outdoor unit casing, its characterized in that: the intelligent air purifier is characterized in that an air volume sensor is arranged on one side of the filter screen and is electrically connected with the electronic control box, whether the use condition of the filter screen is comprehensively detected or not is judged according to the air volume sensor, the electronic control box is provided with a remote bidirectional wireless interaction module, the remote bidirectional wireless interaction module is arranged in the electronic control box, and the remote bidirectional wireless interaction module comprises a weather information receiving unit; the control box is characterized in that the control box is internally provided with a current comparison circuit and a fan switching circuit, a water storage disc is arranged at the bottom of the shell of the outdoor unit of the air conditioner, a water pump is arranged in the water storage disc, the outlet side of the water pump faces the filter screen through a spray pipe, and the control box correspondingly controls the cleaning mode of the filter screen of the outdoor unit of the air conditioner according to real-time weather information.
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