CN114704928B - Air conditioner electric control system with variable time proportion and control method thereof - Google Patents
Air conditioner electric control system with variable time proportion and control method thereof Download PDFInfo
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- CN114704928B CN114704928B CN202210383386.3A CN202210383386A CN114704928B CN 114704928 B CN114704928 B CN 114704928B CN 202210383386 A CN202210383386 A CN 202210383386A CN 114704928 B CN114704928 B CN 114704928B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 22
- 230000008054 signal transmission Effects 0.000 claims description 11
- 230000000750 progressive effect Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 10
- 238000005485 electric heating Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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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
-
- 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
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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
-
- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner electric control system with variable time proportion and a control method thereof, comprising the following steps: the MCU module, the dial switch, the signal sending terminal, the signal receiving module and the output equipment are electrically connected with each other; the MCU module performs step increment or decrement of the matched duration according to the current working mode and the current time proportion coefficient, so that time shortening or time increasing of the working time of the control output equipment is realized, an operator can obtain the adjustment and measurement result of the air conditioner electric control system more quickly and intuitively, and the problems of fixed time proportion coefficient adjustment direction and single time proportion in the adjustment and measurement process of the air conditioner electric control system are solved.
Description
Technical Field
The invention relates to the technical field of air conditioner electric control, in particular to an air conditioner electric control system with a variable time proportion and a control method.
Background
In order to realize various working modes and specific functions, the electric control system of the air-conditioning product needs to accurately control the switching time of output equipment such as a compressor, a fan, an electronic expansion valve and the like. During the research and development and debugging stage of the product, and during the functional testing stage of the product, the research and development personnel need to determine whether the process control of the whole test meets the expectations. If the whole process is required to wait for M minutes every time, the time is too long; when the second-level delay time such as S1 and S2 is measured, the measurement is not clear because the observed devices are too short in time, so that the internal timing unit of the electric control system of the air conditioner needs to be subjected to scale factor adjustment.
In order to solve the problem of proportional coefficient adjustment, a hardware switch is usually arranged on an electric control board at present, and the switch is in a closed state when the electric control system normally operates, so that the electric control system works in normal time; when the electric control system is tested, the switch is in an open state, and the system adjusts the time step by a specific proportion, so that the start and stop control of the equipment is completed by a new time unit in the testing stage. However, the time proportion can only be adjusted in one direction, either during time increase or time decrease, and only a single time proportion exists, so that the time proportion can not be flexibly adjusted between time increase and time decrease, and the time proportion coefficient can not be flexibly adjusted according to specific debugging requirements.
Therefore, the air conditioner electric control system in the prior art has the problems of fixed time scale factor adjustment direction and single time scale, and cannot meet the debugging requirement of the air conditioner electric control system.
Disclosure of Invention
Aiming at the problems of fixed time scale factor adjustment direction and single time scale in the prior art, according to the embodiment of the invention, an air conditioner electric control system with variable time scale and a control method thereof are provided.
In a first aspect, in one embodiment, the present invention provides an air conditioning electronic control system of variable time scale, comprising:
the device comprises an MCU module, a dial switch, a signal sending terminal, a signal receiving module and output equipment;
the dial switch is used for controlling the air conditioner electric control system to enter a corresponding working mode;
the signal receiving module is connected with the signal sending terminal and is used for receiving a control instruction which is sent by the signal sending terminal and comprises a current time scaling factor adjustment function;
the MCU module is respectively connected with the dial switch and the signal receiving module, and is used for acquiring a current working mode of the air conditioner electric control system according to the current position combination of the dial switch, decoding a control instruction, adjusting a current time proportionality coefficient and performing matched time length step increment or step decrement according to the current working mode and the current time proportionality coefficient;
the output equipment is connected with the MCU module and is used for controlling working time according to the step increment or the step decrement of the matched time length.
In one embodiment, the air conditioner electric control system further comprises a digital display module, wherein the digital display module is connected with the MCU module and used for displaying the current working mode and the current time proportionality coefficient.
In one embodiment, the signaling terminal includes a wire controller and a remote controller,
the remote controller is connected with the MCU module through the signal receiving module and is used for sending a control instruction to the MCU module and displaying return information; the line controller is connected with the MCU module through a serial interface and is used for sending a control instruction to the MCU module and displaying return information.
In one embodiment, the air conditioner electric control system further comprises an upper computer, and the upper computer is connected with the MCU module through a serial interface and used for checking monitoring parameters of the air conditioner electric control system, wherein the monitoring parameters comprise temperature, fan rotating speed or/and press frequency.
In one embodiment, the output device includes an internal blower, an external blower, a compressor, or/and an electronic expansion valve.
In one embodiment, the air conditioner electric control system further comprises an indicator lamp connected with the MCU module, wherein the indicator lamp is used for displaying the working state or the communication state of the air conditioner electric control system.
In a second aspect, in an embodiment, a control method of an air conditioner electric control system based on the variable time ratio in any one of the foregoing embodiments is provided, and the main steps include:
s1: adjusting the position combination of the dial switch to obtain a current working mode;
s2: the method comprises the steps that a signal sending terminal is used for controlling an air conditioner electric control system, and the air conditioner electric control system enters a parameter setting mode by long-pressing a first button of the signal sending terminal for N seconds;
s3: the method comprises the steps of adjusting the current setting parameters on a display screen of a signal sending terminal to code values corresponding to a time scale coefficient setting interface by pressing an add key and a subtract key on the signal sending terminal for a plurality of times, and then singly pressing a second button of the signal sending terminal to send a time scale coefficient setting instruction to an air conditioner electric control system;
s4: the air conditioner electric control system receives and decodes the time proportionality coefficient setting instruction, enters a time proportionality coefficient setting state, and discriminates and displays the current working mode on the digital display module according to the position combination of the current dial switch;
s5: the signal transmission terminal is used for controlling the electric control system, the control system is switched among a plurality of proportion coefficients by pressing the adding key and the subtracting key on the signal transmission terminal for a plurality of times, and then the second button of the signal transmission terminal is pressed singly, so that the air conditioner electric control system receives and locks the proportion coefficients;
s6: the air conditioner electric control system exits from the parameter setting mode by long pressing of a first button on the signal sending terminal for N seconds;
s7: the air conditioner electric control system performs progressive or decremental time steps according to the current working mode and the newly set time proportionality coefficient, so as to achieve the control effect of time increment or time reduction;
s8: and (5) performing adjustment and measurement of the air conditioning function.
In one embodiment, in step S7, each time the air conditioner electronic control system correctly receives and decodes the key adding and subtracting instruction, a proportional value corresponding to the current proportional coefficient is correspondingly displayed through the digital display module, so that the operator can select.
In one embodiment, the step S8 further includes:
s9: and restoring the dial switch to a normal working mode position, so that the time step for restoring the air conditioner electric control system to be normal is progressive.
In a third aspect, in one embodiment, an air conditioner is provided that includes the variable time ratio air conditioner electronic control system of any of the above embodiments.
Compared with the prior art, the invention has the following beneficial effects:
the MCU module performs step increment or decrement of the matched duration according to the current working mode and the current time proportion coefficient, so that time shortening or time increasing of the working time of the control output equipment is realized, an operator can obtain the adjustment and measurement result of the air conditioner electric control system more quickly and intuitively, and the problems of fixed time proportion coefficient adjustment direction and single time proportion in the adjustment and measurement process of the air conditioner electric control system are solved.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner electric control system in an embodiment of the invention;
fig. 2 is a flow chart of a control method of an air conditioner electric control system according to another embodiment of the invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
In a first aspect, in one embodiment, the present invention provides an air conditioning electronic control system of variable time scale, comprising:
the device comprises an MCU module, a dial switch, a signal sending terminal, a signal receiving module and output equipment;
the dial switch is used for controlling the air conditioner electric control system to enter a corresponding working mode, wherein the dial switch is a two-bit dial switch, and 11, 01 and 00 respectively correspond to three working modes of time increment, time contraction and normal;
the signal receiving module is connected with the signal sending terminal and is used for receiving a control instruction which is sent by the signal sending terminal and comprises a current time scaling factor adjustment function;
the MCU module is respectively connected with the dial switch and the signal receiving module, and is used for acquiring a current working mode of the air conditioner electric control system according to the current position combination of the dial switch, decoding a control instruction, adjusting a current time proportionality coefficient and performing matched time length step increment or step decrement according to the current working mode and the current time proportionality coefficient;
the output equipment is connected with the MCU module and is used for controlling working time according to the step increment or the step decrement of the matched time length.
In the embodiment, the MCU module performs the step-by-step increment or the step-by-step decrement of the matched duration according to the current working mode and the current time proportion coefficient, and controls the working time of the output equipment, thereby solving the problems of fixed time proportion coefficient adjustment direction and single time proportion of the air conditioner electric control system.
In one embodiment, the air conditioner electric control system further comprises a digital display module, wherein the digital display module is connected with the MCU module and used for displaying the current working mode, the temperature, the current time proportionality coefficient and the like.
The air conditioner electric control system is internally provided with 6 different time-lapse proportional coefficients and 4 different time-lapse proportional coefficients, and the digital display module correspondingly displays the following:
when contracted 2 times, show "St2";
when contracted 4 times, show "St4";
when contracted 6 times, show "St6";
when contracted 10 times, show "Sta";
when contracted 20 times, show "Stb";
when contracted 30 times, show "Stc";
when multiplied by 2, display "Lt2";
when increased 3 times, display "Lt3";
when increased by 4 times, "Lt4" is displayed;
when increased 10 times, show "Lta";
in the above embodiment, the digital display module displays information such as the current working mode, the temperature, and the current time scaling factor. The method can enable an operator to have a good control on the working state of the current air conditioner, and is convenient for the operator to carry out subsequent operation.
In one embodiment, the signal sending terminal comprises a wire controller and a remote controller, and the remote controller is connected with the MCU module through the signal receiving module and is used for sending a control instruction to the MCU module and displaying feedback information; the line controller is connected with the MCU module through a serial interface and is used for sending a control instruction to the MCU module and displaying return information.
In the above embodiment, the signal sending terminal can also display the feedback information, so that an operator can accurately control the electric control system.
In one embodiment, the air conditioner electric control system further comprises an upper computer, and the upper computer is connected with the MCU module through a serial interface and used for checking monitoring parameters of the air conditioner electric control system, wherein the monitoring parameters comprise temperature, fan rotating speed or/and press frequency.
In one embodiment, the output device includes an internal blower, an external blower, a compressor, or/and an electronic expansion valve.
In one embodiment, the air conditioner electric control system further comprises an indicator lamp connected with the MCU module, wherein the indicator lamp is used for displaying the working state or the communication state of the air conditioner electric control system.
In a second aspect, in an embodiment, a control method of an air conditioner electric control system based on the variable time ratio in any one of the foregoing embodiments is provided, and the main steps include:
s1: adjusting the position combination of the dial switch to obtain a current working mode;
s2: the method comprises the steps that a signal sending terminal is used for controlling an air conditioner electric control system, and the air conditioner electric control system enters a parameter setting mode by long-pressing a first button of the signal sending terminal for N seconds;
s3: the method comprises the steps of adjusting the current setting parameters on a display screen of a signal sending terminal to code values corresponding to a time scale coefficient setting interface by pressing an add key and a subtract key on the signal sending terminal for a plurality of times, and then singly pressing a second button of the signal sending terminal to send a time scale coefficient setting instruction to an air conditioner electric control system;
s4: the air conditioner electric control system receives and decodes the time proportionality coefficient setting instruction, enters a state of 'time proportionality coefficient setting', and displays the current working mode on the digital display module in a distinguishing way according to the position combination of the current dial switch;
s5: the signal transmission terminal is used for controlling the electric control system, the control system is switched among a plurality of proportion coefficients by pressing the adding key and the subtracting key on the signal transmission terminal for a plurality of times, and then the second button of the signal transmission terminal is pressed singly, so that the air conditioner electric control system receives and locks the proportion coefficients;
s6: the air conditioner electric control system exits from the parameter setting mode by long pressing of a first button on the signal sending terminal for N seconds;
s7: the air conditioner electric control system performs progressive or decremental time steps according to the current working mode and the newly set time proportionality coefficient, so as to achieve the control effect of time increment or time reduction;
s8: and (5) performing adjustment and measurement of the air conditioning function.
In one embodiment, in step S7, each time the air conditioner electronic control system correctly receives and decodes the key adding and subtracting instruction, a proportional value corresponding to the current proportional coefficient is correspondingly displayed through the digital display module, so that the operator can select.
In one embodiment, the step S8 further includes:
s9: and restoring the dial switch to a normal working mode position, so that the time step for restoring the air conditioner electric control system to be normal is progressive.
In a preferred embodiment, for the sleep mode, the air conditioning electronic control system is set with such a control flow: the sleep key of the remote controller is pressed singly, so that the system enters a sleep mode; at this time, the internal fan is operated in two shifts; the system automatically increases the set temperature by 1 ℃ every 1 hour thereafter until the maximum temperature of 27 ℃ is reached;
in order to measure the control flow as soon as possible, the time-shrinking treatment of the air conditioner electric control system is needed, and the main steps comprise:
s1: adjusting the position combination of the dial switch to a 01 position to obtain a time-shrinking mode of the current working mode;
s2: the air-conditioning electric control system is controlled by using a remote controller, and the air-conditioning electric control system enters a parameter setting mode by long-pressing an 'air refreshing' key on the remote controller for 5 seconds, and the code value of the current setting parameter is displayed on a display screen of the remote controller;
s3: the current setting parameters on the display screen of the remote controller are adjusted to the code value '77' corresponding to the 'time scale coefficient setting' interface by pressing the adding and subtracting keys on the remote controller for a plurality of times, and then the switching key of the remote controller is pressed singly to send a time scale coefficient setting instruction to the air conditioner electric control system;
s4: the air conditioner electric control system receives and decodes the time proportionality coefficient setting instruction, enters a time proportionality coefficient setting state, and displays the current working mode as "Shot" on the digital display module according to the position combination 01 of the current dial switch;
s5: the remote controller is used for controlling the electric control system, the adding key and the subtracting key on the remote controller are pressed for a plurality of times, the switching is carried out among a plurality of proportion coefficients, at the moment, "Stc" is selected, the time of 1 hour is shortened to 2 minutes, and then the on-off key of the signal transmission terminal is pressed singly, so that the air conditioner electric control system receives and locks the proportion coefficients;
s6: the air-conditioning electric control system exits from the parameter setting mode by long-pressing the 'air refreshing key' key on the remote controller for 5 seconds;
s7: the air conditioner electric control system reduces the time step according to the current working mode 'time reduction' and the newly set time proportionality coefficient 'Stc', and reduces the time reduction of 1 hour to 2 minutes, so as to achieve the time reduction control effect;
s8: the air conditioning function is regulated and tested, and whether the change condition of the set temperature accords with the preset condition can be rapidly determined;
s9: and restoring the dial switch to the normal working mode position 00, and advancing the time step for restoring the air conditioner electric control system to be normal.
In a preferred embodiment, for the auxiliary electric heating automatic start-stop function in the hot mode, the system has the following settings: when the fan is running, if the indoor temperature is lower than a set threshold T1, the internal disc temperature is lower than a threshold T2 and the outdoor ring temperature is lower than a threshold T3, the three are met simultaneously and last for more than 10 seconds, the auxiliary electric heater is powered on; once the indoor temperature exceeds the set threshold T4, the inner disk temperature exceeds the threshold T5 and the outdoor ring temperature exceeds the threshold T6, any one of the three is met and the time lasts for more than 10 seconds, the inner fan is operated for 20 seconds according to low-speed air delay, and then the inner fan is closed.
In order to clearly measure the above process, the time increasing process can be performed on the air conditioner electric control system, and the main steps comprise:
s1: adjusting the position combination of the dial switch to the 11 position to obtain a time increasing mode of the current working mode;
s2: the air-conditioning electric control system is controlled by using a remote controller, and the air-conditioning electric control system enters a parameter setting mode by long-pressing an 'air refreshing' key on the remote controller for 5 seconds, and the code value of the current setting parameter is displayed on a display screen of the remote controller;
s3: the current setting parameters on the display screen of the remote controller are adjusted to the code value '77' corresponding to the 'time scale coefficient setting' interface by pressing the adding and subtracting keys on the remote controller for a plurality of times, and then the switching key of the remote controller is pressed singly to send a time scale coefficient setting instruction to the air conditioner electric control system;
s4: the air conditioner electric control system receives and decodes the time proportionality coefficient setting instruction, enters a time proportionality coefficient setting state, and displays the current working mode as Lot on the digital display module according to the position combination 11 of the current dial switch;
s5: the remote controller is used for controlling the electric control system, the adding key and the subtracting key on the remote controller are pressed for a plurality of times, the switching is carried out among a plurality of proportion coefficients, at the moment, "Ltc" is selected, the time for 10s is increased to 30s, and then the on-off key of the signal transmission terminal is pressed singly, so that the air conditioner electric control system receives and locks the proportion coefficients;
s6: the air-conditioning electric control system exits from the parameter setting mode by long-pressing the 'air refreshing key' key on the remote controller for 5 seconds;
s7: the air conditioner electric control system increases the time step according to the current working mode 'time shrinking' and the newly set time proportionality coefficient 'Lot', increases the time of 10s to 30s, and achieves the time increasing control effect;
s8: the automatic start and stop of electric heating in a heating mode can be measured by performing adjustment measurement of the air conditioning function, the partial pressure value of an indoor temperature sensor, an outdoor temperature sensor and an indoor disk temperature sensor is adjusted to meet the threshold condition of starting and stopping electric heating, and then whether the change conditions of an electric heater and a fan are consistent with the preset conditions can be rapidly measured by an upper computer;
s9: and restoring the dial switch to the normal working mode position 00, and advancing the time step for restoring the air conditioner electric control system to be normal.
In a third aspect, in one embodiment, an air conditioner is provided, including the air conditioner electronic control system of any one of the above embodiments.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. An air conditioning electronic control system with variable time ratio, characterized in that the air conditioning electronic control system comprises:
the device comprises an MCU module, a dial switch, a signal sending terminal, a signal receiving module and output equipment;
the dial switch is used for controlling the air conditioner electric control system to enter a corresponding working mode;
the signal receiving module is connected with the signal sending terminal and is used for receiving a control instruction which is sent by the signal sending terminal and comprises the function of adjusting the current time proportionality coefficient;
the MCU module is respectively connected with the dial switch and the signal receiving module, and is used for acquiring a current working mode of an air conditioner electric control system according to the current position combination of the dial switch, decoding the control instruction, adjusting the current time proportionality coefficient and performing step-by-step increment or step-by-step decrement according to the matched time length of the current working mode and the current time proportionality coefficient;
the output equipment is connected with the MCU module and used for controlling working time according to the step increment or the step decrement of the matched time length.
2. The variable time scale air conditioner electronic control system of claim 1, further comprising a digital display module connected to the MCU module for displaying a current operating mode and a current time scale factor.
3. The air conditioner electric control system of claim 1, wherein the signal transmitting terminal comprises a wire controller and a remote controller,
the remote controller is connected with the MCU module through the signal receiving module and is used for sending a control instruction to the MCU module and displaying feedback information; the line controller is connected with the MCU module through a serial interface and is used for sending control instructions to the MCU module and displaying feedback information.
4. The variable time ratio air conditioning electronic control system of claim 1 further comprising a host computer connected to the MCU module via a serial interface for viewing monitoring parameters of the air conditioning electronic control system including temperature, fan speed or/and press frequency.
5. A variable time ratio air conditioning electronic control system as claimed in claim 1 wherein said output means comprises an internal fan, an external fan, a compressor or/and an electronic expansion valve.
6. The variable time ratio air conditioning electronic control system of claim 1, further comprising an indicator light connected to the MCU module, the indicator light configured to display an operating state or a communication state of the air conditioning electronic control system.
7. A control method of an air conditioner electric control system based on a variable time ratio as claimed in any one of claims 1 to 6, characterized by comprising the main steps of:
s1: adjusting the position combination of the dial switch to obtain a current working mode;
s2: the method comprises the steps that a signal sending terminal is used for controlling an air conditioner electric control system, and the air conditioner electric control system enters a parameter setting mode by long-pressing a first button of the signal sending terminal for N seconds;
s3: the method comprises the steps of adjusting the current setting parameters on a display screen of a signal sending terminal to code values corresponding to a time scale coefficient setting interface by pressing an add key and a subtract key on the signal sending terminal for a plurality of times, and then singly pressing a second button of the signal sending terminal to send a time scale coefficient setting instruction to an air conditioner electric control system;
s4: the air conditioner electric control system receives and decodes the time proportionality coefficient setting instruction, enters a time proportionality coefficient setting state, and discriminates and displays the current working mode on the digital display module according to the position combination of the current dial switch;
s5: the signal transmission terminal is used for controlling the electric control system, the control system is switched among a plurality of proportion coefficients by pressing the adding key and the subtracting key on the signal transmission terminal for a plurality of times, and then the second button of the signal transmission terminal is pressed singly, so that the air conditioner electric control system receives and locks the proportion coefficients;
s6: the air conditioner electric control system exits from the parameter setting mode by long pressing of a first button on the signal sending terminal for N seconds;
s7: the air conditioner electric control system performs progressive or decremental time steps according to the current working mode and the newly set time proportionality coefficient, so as to achieve the control effect of time increment or time reduction;
s8: and (5) performing adjustment and measurement of the air conditioning function.
8. The method according to claim 7, wherein in step S7, each time the electronic control system of the air conditioner correctly receives and decodes the key adding and subtracting instruction, a proportional value corresponding to the current proportional coefficient is correspondingly displayed by the digital display module, so as to be convenient for the operator to select.
9. The variable time ratio air conditioner control method according to claim 7, further comprising, after step S8:
s9: and restoring the dial switch to a normal working mode position, so that the time step for restoring the air conditioner electric control system to be normal is progressive.
10. An air conditioner comprising the variable time ratio air conditioner electronic control system of any one of claims 1-6.
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