CN110793150B - Adaptive adjustment method of capacitive touch key, wire controller and air conditioner - Google Patents
Adaptive adjustment method of capacitive touch key, wire controller and air conditioner Download PDFInfo
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- CN110793150B CN110793150B CN201911129969.8A CN201911129969A CN110793150B CN 110793150 B CN110793150 B CN 110793150B CN 201911129969 A CN201911129969 A CN 201911129969A CN 110793150 B CN110793150 B CN 110793150B
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- capacitive touch
- touch key
- air conditioner
- trigger threshold
- adjusted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
- H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention discloses a self-adaptive adjustment method of a capacitive touch key, a wire controller and an air conditioner. The self-adaptive adjustment method of the capacitive touch key comprises the following steps: when the trigger threshold of the capacitive touch key needs to be adjusted, entering a threshold adjustment mode; acquiring input parameters related to a threshold value, and calculating to obtain an adjusted trigger threshold value; monitoring the environmental temperature, the environmental humidity, the target temperature of the air conditioner and the temperature regulation speed; and carrying out humidity compensation on the adjusted trigger threshold according to the running mode of the air conditioner. The invention can enable the trigger threshold of the capacitive touch key to be more accurate and is automatically suitable for various environments and use conditions.
Description
Technical Field
The invention relates to a capacitive touch key, in particular to a self-adaptive adjusting method of the capacitive touch key, a wire controller adopting the self-adaptive adjusting method and an air conditioner adopting the wire controller.
Background
The application range of the capacitive touch key is very wide.
The problems in the prior art will be described below by taking the application of the capacitive touch key to a wire controller of an air conditioner as an example.
The air conditioner wire controller can be applied to various occasions, and the operating conditions of the air conditioner are different due to the change of the ambient temperature and humidity, so that the capacitance value of the capacitive touch key of the air conditioner wire controller can be influenced to a certain degree.
In addition, different people have different fingers and different pressing habits, and the contact areas with the touch keys are different, so that the induction capacitance values of the touch keys are changed differently due to various reasons. Therefore, the threshold value of the capacitive touch key needs to be adaptively adjusted under a certain condition, so that the problem that the key is not sensitive or even does not react at all under different conditions of the capacitive touch key is avoided.
Disclosure of Invention
In order to solve the technical problem that the capacitance value of the capacitive touch key is affected by the environmental temperature and humidity in the prior art, so that the key is insensitive, an adaptive adjustment method of the capacitive touch key, a wire controller and an air conditioner are provided.
The invention provides a self-adaptive adjustment method of a capacitive touch key, which comprises the following steps:
when the trigger threshold of the capacitive touch key needs to be adjusted, entering a threshold adjustment mode;
acquiring input parameters related to a threshold value, and calculating to obtain an adjusted trigger threshold value;
monitoring the environmental temperature, the environmental humidity, the target temperature of the air conditioner and the temperature regulation speed;
and carrying out humidity compensation on the adjusted trigger threshold according to the running mode of the air conditioner.
In one embodiment, the adjusted trigger threshold is obtained by training a corresponding computational model by collecting a plurality of sets of the input parameters.
Further, the input parameter comprises a capacitance change increment value of the capacitive touch key pressed by the user. And at least one of the panel thickness of the installation product of the capacitive touch key, the capacitance model of the capacitive touch key, the ambient temperature and the ambient humidity.
Specifically, when the operation mode of the air conditioner is the heating mode, the humidity compensation value M of the adjusted trigger threshold is calculated by using a formula M = K1 (W-0.6) + K2 (T2-T1) + K3P, where K1 to K3 are constants, W is the ambient humidity, T1 is the ambient temperature, T2 is the target temperature of the air conditioner, and P is the temperature adjustment speed.
Specifically, when the operation mode of the air conditioner is the cooling mode and the target temperature is greater than the first temperature threshold, the humidity compensation value M of the adjusted trigger threshold is zero.
Specifically, when the operation mode of the air conditioner is the cooling mode and the target temperature is less than or equal to the first temperature threshold, the humidity compensation value M of the adjusted trigger threshold is calculated by using a formula M = K4 × T1+ K5 × W, where K4 and K5 are constants, W is the ambient humidity, and T1 is the ambient temperature.
In one embodiment, when it is determined that the number of times that the capacitive touch key is pressed and not triggered is greater than or equal to a preset number of times within a certain time, it is determined that a trigger threshold of the capacitive touch key needs to be adjusted. In another embodiment, when specific information sent by a user is received, it is determined that the trigger threshold of the capacitive touch key needs to be adjusted.
The wire controller provided by the invention comprises a panel and a capacitive touch key arranged on the panel, and the wire controller adopts the self-adaptive adjusting method of the technical scheme to adjust the threshold value of the capacitive touch key.
Further, the wire controller further comprises: the touch chip monitoring module is used for detecting the capacitance change increment value of the capacitance touch key, and the control processing module is used for controlling the capacitance touch key and the touch chip monitoring module by adopting the self-adaptive adjusting method.
The air conditioner provided by the invention adopts the wire controller.
When the keys are insensitive, the invention can be passively or actively in a self-adaptive adjustment state, and the trigger threshold of the capacitive touch keys is adjusted by collecting various related input parameters, so that the capacitive touch keys are suitable for specific installation environments and users. The touch screen can be further subjected to humidity compensation according to the conditions of the temperature, the humidity and the like of the environment, the condition that the touch screen has influence on the sensitivity of the capacitive touch key due to water mist and the like generated by fingers when the fingers touch the touch screen is avoided, and the touch screen is sensitive.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
figure 1 is a block diagram of a portion of the circuit of the drive-by-wire of the present invention.
Fig. 2 is a flow chart of the method of the present invention.
Detailed Description
The principles and embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the wire controller of the present invention mainly has three components related to the capacitive touch key, including: the device comprises a capacitive touch key, a touch chip monitoring module and a control processing module.
The touch chip monitoring module is mainly used for monitoring capacitance change on the capacitive touch key in real time according to the information such as sensitivity, sampling rate and threshold configured by the touch chip monitoring module, namely a capacitance change incremental value. When the capacitance change increment value of the capacitive touch key reaches the trigger threshold value corresponding to the capacitive touch key, the position corresponding to the state register of the capacitive touch key is '1', which indicates that touch is detected. The touch chip monitoring module is communicated with the control processing module through I2C, and the detected information such as the capacitance change increment value of the capacitive touch key and the touch state of the capacitive touch key is sent to the control processing module for processing. The control processing module is mainly used for carrying out filtering, judging, control processing and executing corresponding actions according to the information sent by the touch chip monitoring module so as to realize the self-adaptive adjustment method of the capacitive touch key.
The specific steps of the adaptive adjustment method for the capacitive touch keys are described in detail below.
As shown in fig. 2, when the trigger threshold of the capacitive touch key needs to be adjusted, the threshold adjustment mode is entered. In general, the threshold adjustment mode can be entered in two ways. One mode is that the control processing module automatically enters a threshold value adjusting mode when the number of times that the capacitive touch key is pressed and not triggered is larger than or equal to the preset number of times within a certain time. For example, in a state where the capacitive touch key is insensitive, it is detected whether or not the capacitive touch key is touched by a finger. Judging whether the capacitance change increment value of the capacitive touch key is larger than X and smaller than Y, wherein Y is the original trigger threshold value; x is an empirical value; if yes, the fact that the key is touched by the finger is considered. By monitoring the capacitance change increment value of the capacitive touch key, when N times of finger touch on the capacitive touch key is detected, but the capacitive touch key is not actually triggered, the key of the equipment is considered to be insensitive, and the equipment automatically enters a key threshold value adjusting state, wherein N is a preset time. And the other is that when specific information sent by a user is received, the control processing module judges that the trigger threshold value of the capacitive touch key needs to be adjusted. For example, a user may send specific information through a third-party device such as a remote controller, and then the control processing module receives the specific information and then controls the capacitive touch keys to enter the threshold adjustment state.
In the threshold adjustment state, a plurality of sets of input parameters related to the threshold are collected, and the adjusted trigger threshold is calculated, for example, M sets are collected. And performing M touch tests again, dividing the test into two scenes according to the intention of the user, wherein one scene is a scene which the user subjectively wants to trigger, and the other scene is a scene which the user does not want to trigger. According to the neural network training model, the threshold value when the user does not want to trigger and the integral trigger threshold value when the user wants to trigger can be obtained. In other embodiments, only a plurality of capacitance change increment values by which the user presses the capacitive touch key a set number of times M may be used as the input parameter, or at least one of the panel thickness of the line controller, the model of the capacitance, the ambient temperature, and the ambient humidity may be added to the capacitance change increment value.
After the trigger threshold is obtained, the method adjusts the trigger threshold according to the temperature and humidity parameters of the surrounding environment and the related parameters of the air conditioner. The invention monitors the environmental temperature, the environmental humidity, the target temperature and the temperature adjusting speed of the air conditioner in each period, and carries out humidity compensation on the adjusted trigger threshold according to the running mode of the air conditioner, so that the trigger threshold after the humidity compensation is taken as the real trigger threshold. Similarly, humidity compensation can be performed on the threshold when the user does not want to trigger, and when the user touches the key, the calculation model is used to see whether the obtained threshold is relatively close to the adjusted trigger threshold or relatively close to the threshold when the user does not want to trigger, so that whether the current trigger of the user is effective trigger or not is judged, and the sensitivity of the key is improved.
When the operation mode of the air conditioner is the heating mode, the humidity compensation value M of the adjusted trigger threshold is calculated by adopting a formula M = K1 (W-0.6) + K2 (T2-T1) + K3P, K1 to K3 are constants, and the humidity compensation value M is obtained through experimental data, wherein W is the ambient humidity, T1 is the ambient temperature, T2 is the target temperature of the air conditioner, and P is the temperature adjusting speed. I.e. the trigger threshold actually used for detection is equal to the adjusted trigger threshold plus the humidity compensated value M.
When the operation mode of the air conditioner is a refrigeration mode and the target temperature is greater than the first temperature threshold, the humidity compensation value M of the adjusted trigger threshold is zero. The first temperature threshold here can also be obtained from experimental data, typically 4-10 ℃. When the operation mode of the air conditioner is a cooling mode and the target temperature is less than or equal to the first temperature threshold, the humidity compensation value M of the adjusted trigger threshold is calculated by adopting a formula M = K4 × T1+ K5 × W, where K4 and K5 are constants and can be obtained according to experimental data, W is the ambient humidity, and T1 is the ambient temperature.
According to the invention, through the sensitivity adjustment and the humidity compensation adjustment of the trigger threshold, a more accurate trigger threshold can be obtained, so that the capacitive touch key can be accurately triggered under various conditions.
Besides the adaptive adjustment method of the capacitive touch keys, the invention also protects the wire controller adopting the adaptive adjustment method and the air conditioner adopting the wire controller.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A self-adaptive adjustment method of a capacitive touch key is characterized by comprising the following steps:
when the trigger threshold of the capacitive touch key needs to be adjusted, entering a threshold adjustment mode;
acquiring input parameters related to a threshold value, and calculating to obtain an adjusted trigger threshold value;
monitoring the environmental temperature, the environmental humidity, the target temperature of the air conditioner and the temperature regulation speed;
and performing humidity compensation on the adjusted trigger threshold according to the operation mode of the air conditioner, wherein the humidity compensation comprises the following steps:
when the operation mode of the air conditioner is a heating mode, the humidity compensation value M of the adjusted trigger threshold is calculated by using a formula M = K1 (W-0.6) + K2 (T2-T1) + K3P, where K1 to K3 are constants, W is the ambient humidity, T1 is the ambient temperature, T2 is a target temperature of the air conditioner, and P is the temperature adjustment speed.
2. The adaptive adjustment method for capacitive touch keys according to claim 1, wherein a corresponding computation model is trained by collecting a plurality of sets of the input parameters, so that the adjusted trigger threshold is obtained by the computation model.
3. The adaptive adjustment method for the capacitive touch key according to claim 2, wherein the input parameter includes a capacitance change increment value of the capacitive touch key pressed by the user, and at least one of a panel thickness of an installation product of the capacitive touch key, a capacitance model of the capacitive touch key, an ambient temperature, and an ambient humidity.
4. The adaptive adjustment method for the capacitive touch key according to claim 1, wherein the humidity compensation is performed on the adjusted trigger threshold according to an operation mode of an air conditioner, and further comprising: and when the operation mode of the air conditioner is a refrigeration mode and the target temperature is greater than a first temperature threshold value, the humidity compensation value M of the adjusted trigger threshold value is zero.
5. The adaptive adjustment method for the capacitive touch key according to claim 1, wherein the humidity compensation is performed on the adjusted trigger threshold according to an operation mode of an air conditioner, and further comprising: when the operation mode of the air conditioner is a cooling mode and the target temperature is less than or equal to a first temperature threshold, the humidity compensation value M of the adjusted trigger threshold is calculated by adopting a formula M = K4 × T1+ K5 × W, where K4 and K5 are constants, W is the ambient humidity, and T1 is the ambient temperature.
6. The adaptive adjustment method for the capacitive touch key as claimed in claim 1, wherein when it is determined that the number of times that the capacitive touch key is pressed and not triggered is greater than or equal to a preset number within a certain time, it is determined that the trigger threshold of the capacitive touch key needs to be adjusted.
7. The adaptive adjustment method for the capacitive touch key as claimed in claim 1, wherein when receiving specific information sent by a user, it is determined that the trigger threshold of the capacitive touch key needs to be adjusted.
8. A line controller comprising a panel and a capacitive touch key mounted on the panel, wherein the line controller adjusts the threshold of the capacitive touch key by using the adaptive adjustment method according to any one of claims 1 to 7.
9. The drive-by-wire of claim 8, wherein the drive-by-wire further comprises: the touch chip monitoring module is used for detecting the capacitance change increment value of the capacitance touch key, and the control processing module is used for controlling the capacitance touch key and the touch chip monitoring module by adopting the self-adaptive adjusting method.
10. An air conditioner characterized in that the line controller according to claim 8 or 9 is used.
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| CN201911129969.8A CN110793150B (en) | 2019-11-18 | 2019-11-18 | Adaptive adjustment method of capacitive touch key, wire controller and air conditioner |
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| JPH09210432A (en) * | 1996-01-30 | 1997-08-12 | Mitsubishi Electric Corp | Air conditioning control system |
| JP2000097474A (en) * | 1998-09-24 | 2000-04-04 | Toshiba Corp | Air conditioner |
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