CN110822719A - Gesture-controlled electric water heater - Google Patents
Gesture-controlled electric water heater Download PDFInfo
- Publication number
- CN110822719A CN110822719A CN201910948953.3A CN201910948953A CN110822719A CN 110822719 A CN110822719 A CN 110822719A CN 201910948953 A CN201910948953 A CN 201910948953A CN 110822719 A CN110822719 A CN 110822719A
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- infrared
- gesture
- water heater
- electric water
- gestures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention discloses a gesture-controlled electric water heater, which comprises: automatically controlled board, electric water heater body and gesture recognition device, gesture recognition device and automatically controlled board communication are connected, and gesture recognition device includes: the electric heater comprises an infrared emitting device, a photoelectric sensor and a signal processor, wherein the infrared emitting device is used for emitting infrared rays with at least three different wavelengths and intensities, the photoelectric sensor is used for transmitting intensity signals of reflected light generated by gestures to the signal processor, the signal processor is used for recognizing the gestures according to the intensity signals of the reflected light and duration of the reflected light, and the electric control board is used for controlling the electric heater body to execute actions according to the gestures. The infrared rays with different wavelengths and intensities are used as detection lines, different gestures can be recognized through the infrared rays with the wavelengths and the intensities, and the electric water heater is controlled through the gestures. The non-contact control mode facilitates the operation of the electric water heater. The invention is mainly used in the field of household appliances.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a gesture-controlled electric water heater.
Background
In the existing electric water heater controlled by gestures, the gestures need to be recognized in the whole working process of the electric water heater, and the recognition comprises two parts, wherein the first part is used for acquiring gesture signals, and the second part is used for recognizing the acquired signals. For both parts, the stability of the gesture signal acquisition is critical. In the prior art, the palm position of a user is judged by setting a plurality of infrared transmitting ends to transmit infrared signals with different intensities and the same wavelength, and when the whole gesture action is completed, the gesture signal acquisition device compares the received infrared signals with different intensities with the gesture signal stored in the controller according to the sequence of receiving the infrared signals with different intensities, so that the gesture action of the user is judged. However, when the wavelength of the external light source is the same as or close to the infrared ray emitted from the infrared emission end, the external light source will interfere with the signal reception of the gesture signal acquisition device, and the working accuracy of the gesture signal acquisition device is reduced, so that the electric water heater controlled by gestures has a misjudgment problem.
Disclosure of Invention
The invention aims to provide a gesture-controlled electric water heater, and aims to solve the problems that gesture signal acquisition is inaccurate, the electric water heater controlled by gestures is misjudged and the like in the prior art.
The solution of the invention for solving the technical problem is as follows: a gesture controlled electric water heater comprising: automatically controlled board, electric water heater body and gesture recognition device, gesture recognition device and automatically controlled board communication are connected, gesture recognition device includes: the electric heater comprises an infrared transmitting device, a photoelectric sensor and a signal processor, wherein the infrared transmitting device is used for simultaneously transmitting infrared signals with at least three different wavelengths and intensities, the photoelectric sensor is used for receiving infrared signals reflected by gestures of a user and transmitting the infrared signals to the signal processor, the signal processor is used for recognizing the gestures according to the infrared signals and duration of the reflected light, and the electric control board is used for controlling the electric heater body to execute actions according to the gestures.
Further, the electric heater body performs actions including: at least one of turning on, turning off, adjusting a heating temperature, and switching a functional mode.
Furthermore, the infrared emission device and the photoelectric sensor are integrated on the same substrate.
Further, the infrared ray emitting device includes: the photoelectric sensor comprises a first infrared transmitting tube, a second infrared transmitting tube and a third infrared transmitting tube, wherein the first infrared transmitting tube, the second infrared transmitting tube and the third infrared transmitting tube form a triangular area in a substrate, the distance between the third infrared transmitting tube and the first infrared transmitting tube is the same as that between the third infrared transmitting tube and the second infrared transmitting tube, and the photoelectric sensor is arranged in the triangular area.
Further, the first infrared emission tube, the second infrared emission tube and the third infrared emission tube are all provided with current drivers, and the current drivers can output at least three stages of driving currents.
Furthermore, a band-pass filter is arranged on the light incident surface of the photoelectric sensor.
Furthermore, the gesture-controlled electric water heater also comprises a display panel, wherein the display panel is in communication connection with the electric control panel; the gesture recognition device is in communication connection with the electric control board through the display board.
Further, the display panel is provided with a standby power supply battery.
Furthermore, a WIFI module interface is reserved on the display panel.
Furthermore, the gesture-controlled electric water heater also comprises an electric leakage protection device, and the electric leakage protection device is connected with a power supply end of the electric control board.
The invention has the beneficial effects that: through setting up the infrared ray of at least three kinds of different wavelength and intensity of infrared emission device simultaneous transmission, when infrared ray intensity or wavelength that infrared emission device sent are close or the same with external light source, photoelectric sensor still can receive correct gesture signal, reduce the wavelength or intensity of external light source and produce the interference to photoelectric sensor's receipt when infrared emission device sent is close, photoelectric sensor's signal stability and robustness all obtain improving, improve this electric water heater gesture recognition's sensitivity and interference killing feature, thereby improve gesture recognition's the degree of accuracy.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic diagram of the circuit connection of the present gesture controlled electric water heater;
FIG. 2 is a schematic structural view of an electric control board;
FIG. 3 is a schematic structural diagram of a gesture recognition apparatus;
FIG. 4 is a timing diagram of waveforms as a gesture is swiped from left to right;
FIG. 5 is a timing diagram of waveforms when the gesture is swiped from right to left.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Embodiment 1, referring to fig. 1, a gesture controlled electric water heater includes: the electric leakage protection device 700 is connected with the power supply end of the electric control board 400, the electric water heater body can be understood as a device with a basic electric water heating function, and the electric water heater body at least comprises: the water heater comprises a shell 100, a liner assembly 200 and an electric heating pipe 300, wherein the liner assembly 200 is installed in the shell 100, the electric heating pipe 300 is installed in the liner assembly 200, and the electric heating pipe 300 can be controlled to heat water in the liner assembly 200.
The electronic control board 400 can be installed outside the housing 100 or inside the housing 100, and it should be noted that the installation manner of the electronic control board 400 can be completed by the prior art. Referring to fig. 2, a relay 420, a transformer 410 and a microprocessor are welded on the electric control board 400, the relay 420 is connected with the electric heating tube 300, and the transformer 410 is connected with an external commercial power and converts the commercial power into a direct current to provide direct current electric energy for the gesture-controlled electric water heater.
Referring to fig. 3, in the present embodiment, the infrared ray emitting device, the signal processor 650, and the photosensor 640 are all integrated on the substrate 630. The infrared ray transmitting device includes: a first infrared ray emitting tube D1, a second infrared ray emitting tube D2 and a third infrared ray emitting tube D3, wherein the first infrared ray emitting tube D1, the second infrared ray emitting tube D2 and the third infrared ray emitting tube D3 form a triangular region in the substrate 630, the distance between the third infrared ray emitting tube D3 and the first infrared ray emitting tube D1 and the second infrared ray emitting tube D2 is the same, and the photoelectric sensor 640 is arranged in the triangular region. By forming the first ir emitting tube D1, the second ir emitting tube D2, and the third ir emitting tube D3 as triangular regions in the substrate 630, such an arrangement can provide more stable reflected signals compared to a linear arrangement, and especially when the photo sensor 640 is disposed in the triangular regions, not only the stability of the signals received by the photo sensor 640 is increased, but also the robustness of the signals is greatly increased. The positions of the first infrared transmitting tube D1, the second infrared transmitting tube D2, the third infrared transmitting tube D3 and the photoelectric sensor 640 are arranged, so that the sensitivity and the interference resistance of the gesture-controlled electric water heater are further improved.
The first infrared ray emitting tube D1 is disposed at the left side of the substrate 630, the second infrared ray emitting tube D2 is disposed at the right side of the substrate 630, and the third infrared ray emitting tube D3 is disposed at the center of the substrate 630. The first infrared transmitting tube D1, the second infrared transmitting tube D2 and the third infrared transmitting tube D3 emit infrared rays with different wavelengths, so that the advantages of reducing interference of external light source wavelengths on receiving of a photoelectric sensor and improving accuracy of gesture recognition are achieved; furthermore, the intensity of the infrared rays emitted from the first infrared ray emitting tube D1, the second infrared ray emitting tube D2 and the third infrared ray emitting tube D3 are also different. Therefore, in the source of the signal, the signal is distinguished by using the wavelength and the intensity at the same time, the interference of the wavelength or the intensity of an external light source on the receiving of the photoelectric sensor is reduced, and the robustness of the signal is further improved. In this embodiment, the intensity of infrared rays emitted from the second infrared ray emitting tube D2 > the intensity of infrared rays emitted from the third infrared ray emitting tube D3, and the intensity of infrared rays emitted from the third infrared ray emitting tube D3 > the intensity of infrared rays emitted from the first infrared ray emitting tube D1.
The photoelectric sensor 640 is configured to transmit an infrared signal reflected by a user's gesture to the signal processor 650, the signal processor 650 is configured to recognize the gesture according to the infrared signal and a duration of the reflected light, and the electric control board 400 is configured to control the electric heater body according to the gesture to perform operations including: at least one of turning on, turning off, adjusting the heating temperature, and switching the functional mode. Specifically, when the user needs to control the electric water heater by using the gesture, the user can wave the gesture. The infrared ray is reflected back when meeting the hand of the user to form a reflected infrared ray signal, the infrared ray signal is received by the photoelectric sensor 640 and transmitted to the signal processor 650, and the signal processor 650 forms a waveform timing chart which can distinguish different gestures according to the signal and the duration of the reflection. As shown in fig. 4, the abscissa is time, the ordinate is intensity signal of reflected light, the wavelength of the reflected light is not shown in the figure, and when the user swings left to right, infrared rays emitted from the first infrared ray emitting tube D1 are reflected first, infrared rays emitted from the second infrared ray emitting tube D2 are reflected second, and infrared rays emitted from the third infrared ray emitting tube D3 are reflected last. As shown in fig. 5, the abscissa is time, the ordinate is intensity signal of reflected light, and the wavelength of the reflected light does not show that when the user swings from right to left in the figure, the infrared ray emitted from the second infrared ray emitting tube D2 is reflected first, the infrared ray emitted from the third infrared ray emitting tube D3 is reflected second, and the infrared ray emitted from the first infrared ray emitting tube D1 is reflected last. It should be noted that the waveform timing diagram should be understood as a mathematical model for distinguishing gestures, which can be characterized by the intensity signal of the reflected light, the wavelength signal of the reflected light, and the duration of the reflected light, and the representation form of the mathematical model can be similar to that shown in fig. 4 and 5, or other representation forms. The signal processor 650 identifies different gestures by comparing and matching the waveform timing charts of the different gestures stored in advance. By recognizing different gestures, the electric water heater body can be controlled to execute actions through the pre-established mapping relation. The electric heater body performs actions at least including: switching on, switching off, adjusting the heating temperature and switching the functional mode.
The infrared rays with different wavelengths and intensities are creatively utilized as the detection lines, the waveform timing sequence diagrams of different gestures can be obtained through the infrared rays with the wavelengths and the intensities, the gestures can be recognized through the waveform timing sequence diagrams, and the electric water heater can be controlled according to the gestures. By the non-contact control mode, the operation of the electric water heater is facilitated.
In some preferred embodiments, the first infrared ray emitting tube D1, the second infrared ray emitting tube D2, and the third infrared ray emitting tube D3 are each configured with a current driver that can output at least three stages of driving currents. In this embodiment, the current driver may output 30 stages of driving current. The current driver outputs driving currents of different levels to drive the first infrared emission tube D1, the second infrared emission tube D2 and the third infrared emission tube D3, so that the first infrared emission tube D1, the second infrared emission tube D2 and the third infrared emission tube D3 emit infrared light with different intensities. This has the advantage that the first infrared ray emitting tube D1, the second infrared ray emitting tube D2 and the third infrared ray emitting tube D3 can be purchased as infrared ray emitting tubes with the same power, so as to reduce the purchasing cost and the maintenance cost.
In some preferred embodiments, a band-pass filter is disposed on the light incident surface of the photosensor 640. Stray light can be filtered to the maximum extent through the band-pass filter, the sensitivity of the photoelectric sensor 640 is improved, and misjudgment of gestures is reduced.
In some preferred embodiments, the gesture-controlled electric water heater further comprises a display panel 500, wherein the display panel 500 is in communication connection with the electronic control panel 400; the gesture recognition device 600 is in communication connection with the electronic control board 400 through the display board 500. The display panel 500 may display information to enhance the user's interaction with the present gesture controlled electric water heater.
In some preferred embodiments, the display panel 500 is provided with a backup power supply battery. The display panel 500 may be provided with a standby power through a standby power supply battery.
In some preferred embodiments, a WIFI module interface is reserved on the display panel 500. And preparing for upgrading the product.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention and its scope is defined by the claims appended hereto.
Claims (10)
1. A gesture controlled electric water heater, comprising: automatically controlled board (400), electric water heater body and gesture recognition device (600), gesture recognition device (600) and automatically controlled board (400) communication are connected, gesture recognition device (600) include: the electric heater comprises an infrared emitting device, a photoelectric sensor (640) and a signal processor (650), wherein the infrared emitting device is used for simultaneously emitting infrared signals with at least three different wavelengths and intensities, the photoelectric sensor (640) is used for receiving the infrared signals reflected by user gestures and transmitting the infrared signals to the signal processor (650), the signal processor (650) is used for recognizing gestures according to the infrared signals and duration of the reflected light, and the electric control board (400) is used for controlling an electric heater body to perform actions according to the gestures.
2. The gesture-controlled electric water heater according to claim 1, wherein the electric heater body performs actions including: at least one of turning on, turning off, adjusting a heating temperature, and switching a functional mode.
3. A gesture controlled electric water heater according to claim 1, characterized in that the infrared emitting device and the photo sensor (640) are integrated on the same substrate (630).
4. The gesture-controlled electric water heater according to claim 3, wherein the infrared emitting device comprises: first infrared emission pipe (D1), second infrared emission pipe (D2) and third infrared emission pipe (D3), first infrared emission pipe (D1), second infrared emission pipe (D2) and third infrared emission pipe (D3) form the triangle-shaped region in base plate (630), the distance between third infrared emission pipe (D3) and first infrared emission pipe (D1) and second infrared emission pipe (D2) is the same, photoelectric sensor (640) sets up in the triangle-shaped region.
5. A gesture controlled electric water heater according to claim 4, characterized in that the first infrared ray emitting tube (D1), the second infrared ray emitting tube (D2) and the third infrared ray emitting tube (D3) are all configured with current drivers, which can output at least three stages of driving currents.
6. The gesture-controlled electric water heater according to claim 1, wherein a band-pass filter is disposed on the light incident surface of the photoelectric sensor (640).
7. A gesture controlled electric water heater according to claim 1, further comprising a display panel (500), wherein the display panel (500) is connected to the electric control panel (400) in communication; the gesture recognition device (600) is in communication connection with the electronic control board (400) through the display board (500).
8. A gesture controlled electric water heater according to claim 7, characterized in that the display panel (500) is provided with a backup power supply battery.
9. A gesture-controlled electric water heater according to claim 7, characterized in that a WIFI module interface is reserved on the display panel (500).
10. A gesture controlled electric water heater according to claim 1, further comprising an earth leakage protection device (700), wherein the earth leakage protection device (700) is connected to the power end of the electric control board (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948953.3A CN110822719A (en) | 2019-10-08 | 2019-10-08 | Gesture-controlled electric water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910948953.3A CN110822719A (en) | 2019-10-08 | 2019-10-08 | Gesture-controlled electric water heater |
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| CN110822719A true CN110822719A (en) | 2020-02-21 |
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| CN201910948953.3A Pending CN110822719A (en) | 2019-10-08 | 2019-10-08 | Gesture-controlled electric water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033014A (en) * | 2020-09-08 | 2020-12-04 | 珠海格力电器股份有限公司 | Photoelectric detection device and detection method thereof and water heater |
| CN112728607A (en) * | 2021-01-20 | 2021-04-30 | 宁波方太厨具有限公司 | Smoke interference prevention control method for non-contact control range hood and range hood |
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