CN111271934A - Non-touch type instruction device, non-touch type control method and refrigerator - Google Patents
Non-touch type instruction device, non-touch type control method and refrigerator Download PDFInfo
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- CN111271934A CN111271934A CN201811475552.2A CN201811475552A CN111271934A CN 111271934 A CN111271934 A CN 111271934A CN 201811475552 A CN201811475552 A CN 201811475552A CN 111271934 A CN111271934 A CN 111271934A
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- photosensitive sensor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
- F25D27/005—Lighting arrangements combined with control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a non-touch type instruction device, a non-touch type control method and a refrigerator, wherein the device comprises a plurality of LED emission lamps, photosensitive sensors arranged corresponding to the LED emission lamps and an instruction generating module; the wavelengths of the emitted light of the LED emission lamps are different, and each photosensitive sensor only receives the optical signal of the wavelength of the emitted light of the corresponding LED emission lamp; the instruction generation module generates a control instruction when the detection signal of the photosensitive sensor is smaller than the set intensity, and the control instruction is different according to different receiving light wavelengths of the photosensitive sensor; when sheltering from LED emission lamp, its corresponding light sensor's detected signal intensity can reduce to below setting for intensity, then can generate a control command according to light sensor detected signal's change, control process in only need shelter from corresponding LED emission lamp can, need not user direct contact, avoided the entity button because long-term touch-control produces the possibility of inefficacy.
Description
Technical Field
The invention belongs to the technical field of photoelectricity, and particularly relates to a non-touch type instruction device, a non-touch type control method and a refrigerator.
Background
In a conventional electronic device, a control instruction is generally generated based on a mechanical key or a touch key, and control, function selection, and the like of the electronic device are realized.
In the mechanical key type control mode, long-time pressing can cause failure of the mechanical key, while in the touch key type control mode, a user needs to keep hands clean in physical contact, and if water or oil stains exist, the problem of touch failure can be caused.
Disclosure of Invention
The application provides a non-touch type instruction device, a non-touch type control method and a refrigerator, and solves the technical problem that an existing entity key fails in long-term touch.
In order to solve the technical problems, the application adopts the following technical scheme:
the non-touch instruction device comprises a plurality of LED emission lamps, a photosensitive sensor and an instruction generating module, wherein the photosensitive sensor is arranged corresponding to the LED emission lamps; the photosensitive sensors are all connected with the instruction generating module; the wavelengths of the emitted light of the LED emission lamps are different, and each photosensitive sensor only receives the optical signal of the wavelength of the emitted light of the corresponding LED emission lamp; the instruction generating module generates a control instruction when the detection signal of the photosensitive sensor is less than the set intensity; the control instruction is different according to the different wavelengths of the light received by the photosensitive sensor.
Further, the surface of the light sensitive sensor is coated with a light shielding film that reflects light signals at wavelengths other than the wavelengths that the light sensitive sensor can receive.
Furthermore, the instruction generation module comprises a numbering unit, a judgment unit and a combined instruction generation unit; the numbering unit is used for numbering the photosensitive sensors receiving the optical signals with different wavelengths; the judging unit is used for judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period and judging whether a set number combination exists according to the determined number; and if so, the combined instruction generating unit determines and generates a control instruction according to the set number combination.
Further, the device further comprises a wake-up module, configured to wake up the non-touch command device from a standby state if a detection signal received from any one of the light sensing sensors is smaller than a set intensity when the non-touch command device is in the standby state.
Furthermore, the LED emission lamp is correspondingly provided with a first photosensitive sensor and a second photosensitive sensor, and the first photosensitive sensor and the second photosensitive sensor only receive optical signals of the wavelength of the light emitted by the corresponding LED emission lamp; the instruction generating module comprises a switch instruction generating unit which is used for generating an on or off control instruction when the detection signal of the first photosensitive sensor is smaller than the set intensity, and generating an off or on control instruction when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same.
A non-touch control method is provided, which includes: receiving and judging whether the detection signal of the photosensitive sensor is smaller than a set intensity; if yes, generating a control instruction; the control instruction is different according to different receiving light wavelengths of the photosensitive sensors; the photosensitive sensor only receives optical signals of the wavelength of light emitted by the corresponding LED emitting lamps, and the wavelength of light emitted by each LED emitting lamp is different.
Further, before receiving the detection signal of the photosensitive sensor, the method further includes: numbering the photosensitive sensors receiving the optical signals with different wavelengths; generating a control instruction, specifically comprising: judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period; judging whether a set number combination exists according to the determined number; if yes, determining and generating a control command according to the set number combination.
Further, the method further comprises: in the standby state, if the detection signal received from any photosensitive sensor is less than the set intensity, standby awakening is executed.
Furthermore, the LED emission lamp is correspondingly provided with a first photosensitive sensor and a second photosensitive sensor, and the first photosensitive sensor and the second photosensitive sensor only receive optical signals of the wavelength of the light emitted by the corresponding LED emission lamp; the generating of the control instruction specifically includes: when the detection signal of the first photosensitive sensor is smaller than the set intensity, generating an on or off control instruction; and when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same, generating an off or on control command.
The refrigerator comprises the non-contact instruction device; the LED transmitting lamp and the photosensitive sensor are oppositely arranged at the lower edge of the upper door body of the refrigerator and the upper edge of the lower door body of the refrigerator respectively; or the LED emission lamp and the photosensitive sensor are oppositely arranged at the upper edge of the lower door body of the refrigerator and the lower edge of the upper door body of the refrigerator respectively.
Compared with the prior art, the application has the advantages and positive effects that: in the non-contact instruction device, the non-contact control method and the refrigerator, the emitted light wavelengths of the LED emitted lamps are different, the colors of the emitted light are different due to the different emitted light wavelengths, the photosensitive sensor is arranged corresponding to each LED emitted lamp, each photosensitive sensor only receives the light signal corresponding to the emitted light wavelength of the LED emitted lamp, based on the arrangement, when the LED emitted lamps are shielded, the intensity of the detection signal of the corresponding photosensitive sensor is reduced to be lower than the set intensity, a control instruction can be generated according to the change of the detection signal of the photosensitive sensor to realize corresponding control, further, different control instructions can be generated according to different combinations of the shielded LED emitted lamps, and the control as much as possible is realized according to the number of the shielded LED emitted lamps as few as possible; because the colors of the emitted light with different wavelengths are different, compared with a user, the type of the control instruction can be distinguished through the LED emitting lamps with different colors, so that the user can remember the control instruction conveniently.
Other features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is an architecture diagram of a non-touch command device according to the present application;
FIG. 2 is a flowchart of a non-touch control method according to the present disclosure;
FIG. 3 is a graph of the relationship between the intensity of the photocurrent sensed by the photosensor in the present application;
fig. 4 is a structural diagram of a non-touch command device applied to a refrigerator according to the present application.
Detailed Description
The following describes embodiments of the present application in further detail with reference to the accompanying drawings.
The non-touch control type instruction device comprises a plurality of LED emission lamps 1, a photosensitive sensor 2 and an instruction generating module 3, wherein the photosensitive sensor 2 is arranged corresponding to the LED emission lamps; the photosensitive sensors 2 are all connected with the instruction generating module 3; the wavelengths of the emitted light of the LED emission lamps are different, and each photosensitive sensor only receives the optical signal of the wavelength of the emitted light of the corresponding LED emission lamp; the instruction generating module 3 generates a control instruction when the detection signal of the photosensitive sensor is less than the set intensity, wherein the control instruction is different according to the different wavelengths of the light received by the photosensitive sensor.
Taking three LED emission lamps with emission wavelengths of 465nm, 530nm and 660nm as examples, the emission colors are blue, green and red, respectively, but the embodiment of the application is not limited to the LED emission lamps with three colors (corresponding to three wavelengths of light), and more LED emission lamps may be used, or a plurality of combinations may be used; the advantage of LED emitting lamps of different emitted light wavelengths is that the sensing area can be determined by the color of the emitted light and different control functions can be distinguished according to different colors.
As shown in fig. 3, the curve reflects a response curve of the photo sensor, such as a photo diode, to different wavelength spectrums, on the response curve, B, G, R three points respectively correspond to the photo current intensities detected by the photo diode with respect to the wavelengths of blue light, green light, and red light, after the LED emitting lamp is shielded, the corresponding photo sensor cannot detect the corresponding wavelengths of light, and then the photo current intensity drops below the set intensity, which is based on the change, the present application generates a control command.
When the light emitted by the two LED emission lamps with similar wavelengths is detected by the photosensitive sensor, the detected photocurrent intensities are similar, and in order to avoid that the light emitted by the two LED emission lamps with similar wavelengths affects the same photosensitive sensor, a light shielding film is preferably coated on the surface of the photosensitive sensor, and the light shielding film is used for reflecting light signals with wavelengths other than the wavelengths which can be received by the photosensitive sensor, allowing the light with the set wavelengths to penetrate through, playing a role in selective receiving, and reducing the probability of misoperation.
In the embodiment of the present application, the instruction generating module 3 includes a numbering unit 31, a judging unit 32, and a combined instruction generating unit 33; the numbering unit 31 is used for numbering the photosensitive sensors receiving the optical signals with different wavelengths; the judging unit 32 is used for judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period, and judging whether the set number combination exists according to the determined number; if yes, the combination command generating unit 33 determines and generates the control command according to the set number combination.
Specifically, for example, the number of the LED emitting lamp emitting blue light is 1, the number of the LED emitting lamp emitting green light is 2, and the number of the LED emitting lamp emitting red light is 3, and a correspondence list of a control command and a set number combination is preset, for example, a combination of 1/1 numbers corresponds to a first control command, a combination of 1/2 numbers corresponds to a second control command, … …, and the like; in a set period (for example, within 3 seconds), if the user shields the red LED emission lamp first and then shields the blue LED emission lamp, the determining unit 32 sequentially detects that the detection signal of the LED emission lamp numbered 3 is smaller than the set intensity and the detection signal of the LED emission lamp numbered 1 is smaller than the set intensity, and then determines whether a combination of numbers 3/1 exists, and if so, the combination instruction generating unit generates a control instruction corresponding to the combination of numbers 3/1.
The non-touch instruction device further comprises a wake-up module 4, which is used for waking up the non-touch instruction device from a standby state if a detection signal received from any one of the photosensitive sensors is smaller than a set intensity when the non-touch instruction device is in the standby state; that is, in the standby state of the device, the user shields any one of the LED emitting lamps, the detection signal of the corresponding photosensor is reduced to be below the set intensity, the device first executes the wake-up function, and then generates the corresponding control command according to the shielded condition of the LED emitting lamps with different wavelengths.
In this application embodiment, each LED emission lamp corresponds and is provided with two photosensitive sensor: the instruction generating module 3 further comprises a switch instruction generating unit 34, which is used for generating an on or off control instruction when the detection signal of the first photosensitive sensor is smaller than a set intensity, and generating an off or on control instruction when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same; that is, the combination of one LED emitting lamp and two photosensors can be used as a switch, when a user shields one photosensor corresponding to the same LED emitting lamp, the intensity of the detection signal is reduced below the set intensity, and at this time, the on-control command (or the off-control command) can be defined to be generated, and when the user does not shield any photosensor or completely shields the two photosensors, the intensities of the detection signals of the two photosensors are the same, and at this time, the on-control command (or the on-control command) can be defined to be generated.
Based on the non-touch control type instruction device, the application provides a refrigerator which comprises an upper door body and a lower door body, wherein an LED emission lamp 1 and a photosensitive sensor 2 are oppositely arranged at the lower edge of the upper door body of the refrigerator and the upper edge of the lower door body of the refrigerator respectively, or the LED emission lamp and the photosensitive sensor are oppositely arranged at the upper edge of the lower door body of the refrigerator and the lower edge of the upper door body of the refrigerator respectively; as shown in fig. 4, the LED emitting lamps 1 are installed on the upper edge of the lower door body b, the lower edge of the upper door body a is installed with the photosensitive sensors 2 (in the figure, two photosensitive sensors are arranged opposite to one LED emitting lamp) corresponding to each LED emitting lamp 1, the instruction generating module 3 is installed in a groove (not shown in the figure) in the middle of the upper and lower doors of the refrigerator, and the front edge c of the groove shields the photosensitive sensors from the interference of external light.
The user can distinguish different control functions based on different colours, and after sheltering from the LED emission lamp that corresponds, the refrigerator can carry out corresponding control function, compares in traditional mechanical button operation or touch key operation mode, uses the non-touch type command device that this application provided, has avoided mechanical button or touch key to use the inefficacy problem that produces for a long time.
Based on the above-mentioned non-touch command device, the present application further provides a non-touch control method, as shown in fig. 2, including the following steps:
step S21: and receiving a detection signal of the photosensitive sensor.
The user distinguishes the type of control command through the LED transmitting lamp of different colours, and can confirm the response region through luminous colour, shelters from the LED transmitting lamp that control function corresponds according to the demand, makes its corresponding light sensor's detected signal intensity reduce.
Step S22: judging whether the detection signal is smaller than a set intensity; if yes, step S23: a control instruction is generated.
In the application, the control instruction is different according to different receiving light wavelengths of the photosensitive sensor; the light sensing sensor only receives light signals of the wavelength of light emitted by the corresponding LED emitting lamps, and the wavelength of the light emitted by each LED emitting lamp is different.
Before receiving the detection signal of the photosensitive sensor, the method further comprises: numbering the photosensitive sensors receiving the optical signals with different wavelengths; further, judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period; judging whether a set number combination exists according to the determined number; if yes, determining and generating a control command according to the set number combination. Through different numbering combinations, can realize more control function with less LED emission lamp quantity and the photosensitive sensor combination.
In a standby state, if the detection signal received from any photosensitive sensor is smaller than the set intensity, standby awakening is executed, and a user only needs to shield any LED emission lamp at will to awaken the non-touch instruction device.
When the LED emission lamp is correspondingly provided with the first photosensitive sensor and the second photosensitive sensor, the combination of the two photosensitive sensors and one LED emission lamp can be used as a switch, wherein the first photosensitive sensor and the second photosensitive sensor only receive light signals of the emission wavelengths of the corresponding LED emission lamps; when the detection signal of the first photosensitive sensor is smaller than the set intensity, generating an on or off control instruction; and when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same, generating an off or on control command.
According to the non-touch control type instruction device, the non-touch control type control method and the refrigerator, the light emitting wavelengths of the LED emitting lamps are different, the light emitting colors of the light emitting wavelengths are different, the photosensitive sensor is arranged corresponding to each LED emitting lamp, each photosensitive sensor only receives the light signal corresponding to the light emitting wavelength of the LED emitting lamp, based on the setting, when the LED emitting lamps are shielded, the intensity of the detection signal of the corresponding photosensitive sensor is reduced to be lower than the set intensity, a control instruction can be generated according to the change of the detection signal of the photosensitive sensor to realize corresponding control, further, different control instructions can be generated according to different combinations of the shielded LED emitting lamps, and the control as much as possible is realized by the quantity of the LED emitting lamps as little as possible; because the colors of the emitted light with different wavelengths are different, compared with a user, the type of the control instruction can be distinguished through the LED emitting lamps with different colors, so that the user can remember the control instruction conveniently.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. The non-touch instruction device is characterized by comprising a plurality of LED emission lamps, a photosensitive sensor and an instruction generating module, wherein the photosensitive sensor is arranged corresponding to the LED emission lamps; the photosensitive sensors are all connected with the instruction generating module;
the wavelengths of the emitted light of the LED emission lamps are different, and each photosensitive sensor only receives the optical signal of the wavelength of the emitted light of the corresponding LED emission lamp;
the instruction generating module generates a control instruction when the detection signal of the photosensitive sensor is less than the set intensity; the control instruction is different according to the different wavelengths of the light received by the photosensitive sensor.
2. The non-touch command device of claim 1, wherein a light-shielding film is coated on a surface of the light sensor, and the light-shielding film reflects light signals of wavelengths other than the wavelengths that the light sensor can receive.
3. The non-touch command device according to claim 1, wherein the command generating module comprises a number unit, a determining unit and a combined command generating unit;
the numbering unit is used for numbering the photosensitive sensors receiving the optical signals with different wavelengths;
the judging unit is used for judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period and judging whether a set number combination exists according to the determined number; if so,
and the combination instruction generating unit determines and generates a control instruction according to the set number combination.
4. The non-touch command device according to claim 1, further comprising a wake-up module configured to wake up the non-touch command device from a standby state if the detection signal received from any one of the light sensors is smaller than a predetermined intensity when the non-touch command device is in the standby state.
5. The non-touch command device according to claim 1, wherein the LED emitting light is provided with a first photosensitive sensor and a second photosensitive sensor, and the first photosensitive sensor and the second photosensitive sensor only receive light signals with the wavelength of light emitted by the corresponding LED emitting light;
the instruction generating module comprises a switch instruction generating unit which is used for generating an on or off control instruction when the detection signal of the first photosensitive sensor is smaller than the set intensity, and generating an off or on control instruction when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same.
6. The non-touch control method is characterized by comprising the following steps:
receiving and judging whether the detection signal of the photosensitive sensor is smaller than a set intensity;
if yes, generating a control instruction; the control instruction is different according to different receiving light wavelengths of the photosensitive sensors; the photosensitive sensor only receives optical signals of the wavelength of light emitted by the corresponding LED emitting lamps, and the wavelength of light emitted by each LED emitting lamp is different.
7. The non-touch control method according to claim 6, wherein before receiving the detection signal of the photosensor, the method further comprises:
numbering the photosensitive sensors receiving the optical signals with different wavelengths; generating a control instruction, specifically comprising:
judging the number corresponding to the photosensitive sensor with the detection signal smaller than the set intensity in the set period;
judging whether a set number combination exists according to the determined number; if so,
and determining and generating a control instruction according to the set number combination.
8. The non-touch control method according to claim 6, further comprising:
in the standby state, if the detection signal received from any photosensitive sensor is less than the set intensity, standby awakening is executed.
9. The non-touch control method according to claim 6, wherein the LED emission lamp is provided with a first photosensitive sensor and a second photosensitive sensor, and the first photosensitive sensor and the second photosensitive sensor only receive light signals with emission wavelengths of the corresponding LED emission lamps; the generating of the control instruction specifically includes:
when the detection signal of the first photosensitive sensor is smaller than the set intensity, generating an on or off control instruction; and when the detection signals of the first photosensitive sensor and the second photosensitive sensor are the same, generating an off or on control command.
10. Refrigerator, characterized in that it comprises a contactless command device according to any of claims 1 to 5; the LED transmitting lamp and the photosensitive sensor are oppositely arranged at the lower edge of the upper door body of the refrigerator and the upper edge of the lower door body of the refrigerator respectively; or the LED emission lamp and the photosensitive sensor are oppositely arranged at the upper edge of the lower door body of the refrigerator and the lower edge of the upper door body of the refrigerator respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475552.2A CN111271934A (en) | 2018-12-04 | 2018-12-04 | Non-touch type instruction device, non-touch type control method and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475552.2A CN111271934A (en) | 2018-12-04 | 2018-12-04 | Non-touch type instruction device, non-touch type control method and refrigerator |
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| CN111271934A true CN111271934A (en) | 2020-06-12 |
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| CN201811475552.2A Pending CN111271934A (en) | 2018-12-04 | 2018-12-04 | Non-touch type instruction device, non-touch type control method and refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116311861A (en) * | 2023-03-02 | 2023-06-23 | 讯芸电子科技(中山)有限公司 | Equipment remote control method based on photoelectron module |
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