CN111895613B - Control method based on temperature detection and air conditioner - Google Patents
Control method based on temperature detection and air conditioner Download PDFInfo
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- CN111895613B CN111895613B CN202010721301.9A CN202010721301A CN111895613B CN 111895613 B CN111895613 B CN 111895613B CN 202010721301 A CN202010721301 A CN 202010721301A CN 111895613 B CN111895613 B CN 111895613B
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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
- F24F11/62—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
- F24F11/88—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method based on temperature detection and an air conditioner, wherein when the air conditioner enters a refrigeration or heating mode for the first time, whether the preset definition of a software port is met or not is judged according to detection values input by two temperature detection circuits; if yes, indicating that the wiring is not wrong, and performing corresponding data processing according to a preset control flow; if not, the connection is reversed, the port definitions of the two ports on the software port are exchanged, and corresponding data processing is carried out according to a preset control flow. The invention can solve the problem that the air conditioner cannot run due to improper process or manual operation, and improve the user experience.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method based on temperature detection and an air conditioner.
Background
In the field of air conditioning, indoor temperature detection is generally divided into room temperature and pipe temperature, and the two temperature detections are generally distinguished by different socket colors. In actual production, the design of room temperature is often met, but the production and actual installation are realized by using a tube temperature socket; the design is the pipe temperature, but the room temperature socket is installed in a workshop, so that the phenomena of incapability of running, production, market repair and the like of an air conditioner are caused.
Therefore, a judgment control mechanism is needed to make up for the defects in production and application and ensure the normal operation of the air conditioner.
Disclosure of Invention
The embodiment of the invention provides a control method based on temperature detection and an air conditioner, which solve the problem that the air conditioner cannot run due to improper process or manual operation and improve user experience.
The embodiment of the invention provides a control method based on temperature detection, which comprises the following steps:
when the air conditioner enters a refrigerating or heating mode for the first time, a first detection value input by a first temperature detection circuit is obtained through a first port, and a second detection value input by a second temperature detection circuit is obtained through a second port; the first port is a room temperature port, and the second port is a tube temperature port;
respectively judging whether the first detection value and the second detection value accord with the preset definition of a software port;
if the first port and the second port are both in accordance with the preset control logic, processing data input by the first port and the second port;
otherwise, interchanging the port definitions of the first port and the second port on the software port, and processing the data input by the first port and the second port by combining the preset control logic according to the interchanged port definitions.
Further, the respectively determining whether the first detection value and the second detection value conform to a preset definition of a software port specifically includes:
when the controller enters a refrigeration mode for the first time, judging whether the first detection value is larger than the second detection value;
if yes, determining to accord with the preset definition of the software port;
otherwise, determining that the preset definition of the software port is not met.
Further, the respectively determining whether the first detection value and the second detection value conform to a preset definition of a software port specifically includes:
when the controller enters a heating mode for the first time, judging whether the first detection value is smaller than the second detection value;
if yes, determining to accord with the preset definition of the software port;
otherwise, determining that the preset definition of the software port is not met.
Further, the air conditioner enters a cooling or heating mode for the first time, and specifically comprises:
judging whether the first operation flag value of the air conditioner is a first threshold value or not;
if so, determining that the air conditioner enters a refrigerating or heating mode for the first time;
otherwise, determining that the air conditioner does not enter a cooling or heating mode for the first time.
Further, the control method based on temperature detection further comprises:
and after the port definitions of the first port and the second port are finished, setting the first operation flag value of the air conditioner as the first threshold value.
Further, the first temperature detection circuit includes: the temperature sensor comprises a first temperature detection sub-circuit and a first temperature sensor connected with the first temperature detection sub-circuit;
the second temperature detection circuit comprises a second temperature detection sub-circuit and a second temperature sensor connected with the second temperature detection sub-circuit.
Further, the first temperature detection sub-circuit includes: the temperature-sensing device comprises a first temperature-sensing head socket, a first capacitor, a first voltage-dividing resistor and a first filter resistor;
the first temperature sensing head socket is respectively connected with a direct-current power supply, a first end of the first voltage dividing resistor and a first end of the first filter resistor; the second end of the first filter resistor is connected with a signal ground; the second end of the first divider resistor is connected with the first end of the first capacitor; the second end of the first capacitor is connected with a signal ground;
the second temperature detection sub-circuit includes: the second temperature sensing head socket, the second capacitor, the second voltage dividing resistor and the second filter resistor;
the second temperature sensing head socket is respectively connected with a direct-current power supply, a first end of the second voltage-dividing resistor and a first end of the second filter resistor; a second end of the second filter resistor is connected with a signal ground; the second end of the second voltage-dividing resistor is connected with the first end of the second capacitor; the second end of the second capacitor is connected with signal ground.
Further, the first temperature detection sub-circuit is connected to the first temperature sensor, specifically:
the first temperature detection sub-circuit is connected with the first temperature sensor in a separated independent type, a combined type, a socket connection type or a welding plate line connection type;
the second temperature detection sub-circuit is connected with the second temperature sensor, and specifically comprises:
the second temperature detection sub-circuit is connected with the second temperature sensor in a separated independent type, a combined type, a socket connection type or a welding plate line connection type.
Accordingly, the present invention provides an air conditioner comprising: the temperature detection circuit comprises a controller, a first temperature detection circuit and a second temperature detection circuit;
the first port of the controller is connected with the first temperature detection circuit; a second port of the controller is connected with the second temperature detection circuit;
the controller is configured to execute a control method based on temperature detection as described above.
Accordingly, the present invention provides an air conditioner comprising: the air conditioner control system comprises a memory, a processor and an air conditioner control program which is stored on the memory and can run on the processor;
the air conditioner control program, when executed by the processor, implements the steps of the control method based on temperature detection as described above.
Therefore, the invention provides a control method based on temperature detection and an air conditioner, when the air conditioner enters a refrigeration or heating mode for the first time, whether the preset definition of a software port is met or not is judged according to the detection values input by two temperature detection circuits; if yes, indicating that the wiring is not wrong, and performing corresponding data processing according to a preset control flow; if not, the connection is reversed, the port definitions of the two ports on the software port are exchanged, and corresponding data processing is carried out according to a preset control flow. Compared with the prior art that the air conditioner cannot be started when the wiring is reversely connected, the method and the device for detecting the wiring of the air conditioner can confirm whether the two input ports are correctly connected or not according to the two detected values when the air conditioner is firstly operated for refrigeration or heating, solve the problem that the air conditioner cannot be operated due to improper process or manual operation, and improve user experience.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating an embodiment of a temperature detection-based control method provided by the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of an air conditioner provided by the present invention;
FIG. 3 is a schematic flow chart diagram of another embodiment of a control method based on temperature detection provided by the present invention;
fig. 4 is a schematic structural diagram of another embodiment of an air conditioner provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, which is a schematic flow chart of an embodiment of a control method based on temperature detection provided by the present invention, the method includes steps 101 to 104, and each step specifically includes the following steps:
step 101: when the air conditioner enters a refrigerating or heating mode for the first time, a first detection value input by the first temperature detection circuit is obtained through the first port, and a second detection value input by the second temperature detection circuit is obtained through the second port.
In this embodiment, the first time the air conditioner enters the cooling or heating mode is specifically: judging whether the first operation flag value of the air conditioner is a first threshold value or not; if so, determining that the air conditioner enters a refrigerating or heating mode for the first time; otherwise, determining that the air conditioner does not enter the cooling or heating mode for the first time. Generally, an air conditioner sets a first operation flag value to perform a pre-operation test.
In this embodiment, after the port definitions of the first port and the second port are completed, the first operation flag value of the air conditioner is set to the first threshold value. If the flag value is 0 during the first operation, the flag value is set to 1 after the port definition or the operation is finished, and the subsequent operation is not judged again.
Step 102: and respectively judging whether the first detection value and the second detection value accord with the preset definition of the software port. If yes, go to step 103, otherwise go to step 104.
In this embodiment, step 102 specifically includes:
when the controller enters a refrigeration mode for the first time, judging whether the first detection value is larger than the second detection value; if yes, determining to accord with the preset definition of the software port; otherwise, determining that the preset definition of the software port is not met.
When the controller enters a heating mode for the first time, judging whether the first detection value is smaller than the second detection value; if yes, determining to accord with the preset definition of the software port; otherwise, determining that the preset definition of the software port is not met.
In this embodiment, the preset definition of the software port is that the first port is a room temperature port, and the second port is a tube temperature port, so that in the cooling mode, it is only necessary to determine whether the detection value of the room temperature port is greater than the detection value of the tube temperature port, and it is known whether the preset definition is provided. Similarly, when in the heating mode, only the detection value of the room temperature port needs to be judged whether to be smaller than the detection value of the pipe temperature port.
As an example of this embodiment, since the preset definition of the software port may be improved according to the model or structure of the air conditioner, the determination method of the present invention may also be adaptively adjusted, and only the port differentiation is implemented according to the temperature detection value.
Step 103: and processing data input by the first port and the second port according to preset control logic.
In this embodiment, if the predetermined definition of the software port is met, it indicates that the wiring is correct, and step 103 is executed to implement normal cooling or heating of the air conditioner.
Step 104: and interchanging the port definitions of the first port and the second port on the software port, and processing the data input by the first port and the second port by combining preset control logic according to the interchanged port definitions.
In this embodiment, if the preset definition of the software port is not met, it indicates that the connection is reversed, and the port definitions of the first port and the second port on the software port are interchanged to implement the internal adjustment of the software, thereby ensuring the normal operation of the air conditioner in the control logic.
Correspondingly, referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of an air conditioner provided by the present invention. As shown in fig. 2, the air conditioner includes: the controller 201, the first temperature detection circuit and the second temperature detection circuit. Wherein the first port I O1 of the controller 202 is connected to the first temperature detection circuit; the second port I O2 of the controller 202 is connected to a second temperature sensing circuit.
The first temperature detection circuit includes: a first temperature detection sub-circuit 202 and a first temperature sensor 203 connected to the first temperature detection sub-circuit 202. The second temperature detection circuit includes a second temperature detection sub-circuit 204 and a second temperature sensor 205 connected to the second temperature detection sub-circuit 204.
As shown in fig. 2, the first temperature detection sub-circuit 202 includes: the temperature-sensing head comprises a first temperature-sensing head socket X1, a first capacitor C11, a first voltage-dividing resistor R12 and a first filter resistor R11.
The first temperature sensing head socket X1 is respectively connected with a direct current power supply VCC, a first end of a first divider resistor C11 and a first end of a first filter resistor R11; a second terminal of the first filter resistor R11 is connected to signal ground; the second end of the first voltage-dividing resistor C11 is connected with the first end of the first capacitor C11; a second terminal of the first capacitor C11 is connected to signal ground.
The second temperature detection sub-circuit includes 204: a second temperature-sensing head socket X2, a second capacitor C11, a second voltage-dividing resistor R21 and a second filter resistor R22.
The second temperature sensing head socket X2 is respectively connected with the dc power VCC, the first end of the second voltage dividing resistor R21, and the first end of the second filter resistor R22; a second terminal of the second filter resistor R22 is connected to signal ground; a second end of the second voltage-dividing resistor R21 is connected with a first end of the second capacitor C21; a second terminal of the second capacitor C21 is connected to signal ground.
In the present embodiment, the first temperature sensor 203 is a room temperature sensor, and detects the room temperature by a temperature thermistor R1. The second temperature sensor 205 is a tube temperature sensor, and detects the temperature of the evaporator tube by a temperature thermistor R2.
The first temperature detection sub-circuit 202 is configured to divide the detection voltage sent by the first temperature sensor 203, and transmit the voltage to the controller 201 after RC filtering. The second temperature detection sub-circuit 204 is configured to divide the detection voltage sent by the second temperature sensor 205, and transmit the voltage to the controller 201 after RC filtering.
In the present embodiment, the temperature thermistor R1 detects the room temperature, and its corresponding resistance values R1 and R12 constitute a voltage dividing circuit, and the divided voltage U is R12/(R1+ R12) × VCC. The temperature thermistor R2 detects the room temperature, and its corresponding resistance values R2 and R22 constitute a voltage dividing circuit, and the divided voltage U is R22/(R2+ R22) × VCC.
In this embodiment, the controller 201 may directly compare the detected values, or may convert the detected values into corresponding temperature values after AD processing for comparison.
In this embodiment, the first temperature detection sub-circuit 202 is connected to the first temperature sensor 203, specifically: the first temperature detection subcircuit 202 is connected to the first temperature sensor 203 by a separate stand-alone, integrated, socket-connected, or pad-wire-connected type.
In this embodiment, the second temperature detection sub-circuit 204 is connected to the second temperature sensor 205, specifically: the second temperature detection sub-circuit 204 is connected to the second temperature sensor 205 by a separate stand-alone, integrated, socket-connected, or pad-wire connection.
In the present embodiment, the controller 201 is configured to execute a control method based on temperature detection according to the present invention.
For further explaining the working principle of the present invention, referring to fig. 3, fig. 3 is a schematic flow chart of another embodiment of the control method based on temperature detection provided by the present invention, and is shown in detail in fig. 3.
Correspondingly, referring to fig. 4, fig. 4 is a schematic structural diagram of another embodiment of the air conditioner provided by the present invention. The air conditioner includes a memory 41, a processor 42, and an air conditioner control program stored on the memory 41 and operable on the processor 42. The air conditioner control program, when executed by the processor 42, implements the steps of the control method based on temperature detection described above.
Therefore, the invention provides a control method based on temperature detection and an air conditioner, when the air conditioner enters a refrigeration or heating mode for the first time, whether the preset definition of a software port is met or not is judged according to the detection values input by two temperature detection circuits; if yes, indicating that the wiring is not wrong, and performing corresponding data processing according to a preset control flow; if not, the connection is reversed, the port definitions of the two ports on the software port are exchanged, and corresponding data processing is carried out according to a preset control flow. Compared with the prior art that the air conditioner cannot be started when the wiring is reversely connected, the method and the device for detecting the wiring of the air conditioner can confirm whether the two input ports are correctly connected or not according to the two detected values when the air conditioner is firstly operated for refrigeration or heating, solve the problem that the air conditioner cannot be operated due to improper process or manual operation, and improve user experience.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A control method based on temperature detection is characterized by comprising the following steps:
when the air conditioner enters a refrigerating or heating mode for the first time, a first detection value input by a first temperature detection circuit is obtained through a first port, and a second detection value input by a second temperature detection circuit is obtained through a second port; the first port is a room temperature port, and the second port is a tube temperature port; the first temperature detection circuit includes: the temperature sensor comprises a first temperature detection sub-circuit and a first temperature sensor connected with the first temperature detection sub-circuit; the second temperature detection circuit comprises a second temperature detection sub-circuit and a second temperature sensor connected with the second temperature detection sub-circuit;
respectively judging whether the first detection value and the second detection value accord with the preset definition of a software port;
if the first port and the second port are both in accordance with the preset control logic, processing data input by the first port and the second port;
otherwise, interchanging the port definitions of the first port and the second port on the software port, and processing the data input by the first port and the second port by combining the preset control logic according to the interchanged port definitions;
wherein the respectively determining whether the first detection value and the second detection value conform to a preset definition of a software port specifically includes:
when the controller enters a refrigeration mode for the first time, judging whether the first detection value is larger than the second detection value; if yes, determining to accord with the preset definition of the software port; otherwise, determining that the preset definition of the software port is not met;
when the controller enters a heating mode for the first time, judging whether the first detection value is smaller than the second detection value; if yes, determining to accord with the preset definition of the software port; otherwise, determining that the preset definition of the software port is not met.
2. The control method based on temperature detection according to claim 1, wherein the air conditioner enters a cooling or heating mode for the first time, specifically:
judging whether the first operation flag value of the air conditioner is a first threshold value or not;
if so, determining that the air conditioner enters a refrigerating or heating mode for the first time;
otherwise, determining that the air conditioner does not enter a cooling or heating mode for the first time.
3. The control method based on temperature detection according to claim 2, further comprising:
and after the port definitions of the first port and the second port are finished, setting the first operation flag value of the air conditioner as the first threshold value.
4. The control method based on temperature detection according to claim 1, wherein the first temperature detection sub-circuit comprises: the temperature-sensing device comprises a first temperature-sensing head socket, a first capacitor, a first voltage-dividing resistor and a first filter resistor;
the first temperature sensing head socket is respectively connected with a direct-current power supply, a first end of the first voltage dividing resistor and a first end of the first filter resistor; the second end of the first filter resistor is connected with a signal ground; the second end of the first divider resistor is connected with the first end of the first capacitor; the second end of the first capacitor is connected with a signal ground;
the second temperature detection sub-circuit includes: the second temperature sensing head socket, the second capacitor, the second voltage dividing resistor and the second filter resistor;
the second temperature sensing head socket is respectively connected with a direct-current power supply, a first end of the second voltage-dividing resistor and a first end of the second filter resistor; a second end of the second filter resistor is connected with a signal ground; the second end of the second voltage-dividing resistor is connected with the first end of the second capacitor; the second end of the second capacitor is connected with signal ground.
5. The control method based on temperature detection according to claim 4, wherein the first temperature detection sub-circuit is connected to the first temperature sensor, specifically:
the first temperature detection sub-circuit is connected with the first temperature sensor in a separated independent type, a combined type, a socket connection type or a welding plate line connection type;
the second temperature detection sub-circuit is connected with the second temperature sensor, and specifically comprises:
the second temperature detection sub-circuit is connected with the second temperature sensor in a separated independent type, a combined type, a socket connection type or a welding plate line connection type.
6. An air conditioner, comprising: the temperature detection circuit comprises a controller, a first temperature detection circuit and a second temperature detection circuit;
the first port of the controller is connected with the first temperature detection circuit; a second port of the controller is connected with the second temperature detection circuit;
the controller is used for executing the control method based on temperature detection according to any one of claims 1 to 5.
7. An air conditioner, comprising: the air conditioner control system comprises a memory, a processor and an air conditioner control program which is stored on the memory and can run on the processor;
the air conditioner control program, when executed by the processor, implements the steps of the control method based on temperature detection of any one of claims 1 to 5.
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| CN202010721301.9A CN111895613B (en) | 2020-07-24 | 2020-07-24 | Control method based on temperature detection and air conditioner |
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| KR100743718B1 (en) * | 2005-09-15 | 2007-07-30 | 엘지전자 주식회사 | Process for confirming wrong connect wire and bad temperature sensor of pipe in multi type air conditioner |
| JP4899549B2 (en) * | 2005-10-31 | 2012-03-21 | ダイキン工業株式会社 | Compressor operating method of refrigeration apparatus and refrigeration apparatus |
| CN1987396B (en) * | 2005-12-22 | 2010-07-07 | 乐金电子(天津)电器有限公司 | Detecting method for composite air conditioner error connection line and distributing tube temperature sensor imperfect |
| CN105115098B (en) * | 2015-07-20 | 2018-02-02 | 广东美的暖通设备有限公司 | A kind of method and system of automatic detection fan coil pipe temperature sensor installation site |
| CN104965183B (en) * | 2015-07-27 | 2018-03-06 | 广东美的暖通设备有限公司 | The demagnetization detection method and device of permanent-magnet brushless DC electric machine |
| CN205068194U (en) * | 2015-10-15 | 2016-03-02 | 佛山市顺德区美的电热电器制造有限公司 | Temperature control system and juice extractor |
| CN105465960A (en) * | 2015-12-23 | 2016-04-06 | 广东志高暖通设备股份有限公司 | Temperature sensor identification method for air conditioner, and air conditioner |
| CN105588285A (en) * | 2016-01-21 | 2016-05-18 | 青岛工学院 | Air conditioner based on pipeline blocking self-diagnosis method |
| CN106595905B (en) * | 2016-12-19 | 2018-11-20 | 广东美的暖通设备有限公司 | The exchange method and device of chip detection port |
| CN107166638B (en) * | 2017-05-09 | 2020-04-17 | 广东美的暖通设备有限公司 | Fault detection method and device of temperature sensor and multi-connected air conditioning system |
| CN109140785B (en) * | 2018-07-10 | 2019-07-12 | 江苏省精创电气股份有限公司 | A kind of method of temperature sensor location in automatic identification air source water heater |
| CN110500710B (en) * | 2019-07-30 | 2021-07-20 | 广东申菱环境系统股份有限公司 | Air conditioner fault self-diagnosis method |
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