Knob device, electrical equipment, verification method and computer readable storage medium

Abstract

The invention relates to the field of electrical equipment, and discloses a knob device, electrical equipment, a verification method and a computer readable storage medium. The knob device performs self-inspection through a two-dimensional detection mode, so that a user monitors the current damage condition of the knob device, the reliability and accuracy of signals of the knob device are approved, and control disorder caused by the fact that the user does not find that the knob device is continuously used in advance due to damage of the knob device is reduced. The rotary knob device comprises a panel, a rotary knob piece, magnetic induction detection assemblies and an optical detection assembly, the rotary knob piece is magnetically attracted to the panel and can rotate relative to the panel, the magnetic induction detection assemblies are arranged on the two sides of the panel, and the magnetic induction detection assemblies are used for detecting the rotation angle of the rotary knob piece through magnetic induction intensity signals; the optical detection assemblies are arranged on the two sides of the panel and used for detecting the rotation angle of the rotary knob piece through light intensity signals.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to a knob device, electrical equipment, a calibration method and a computer-readable storage medium. Background Art

[0002] Most household appliances are equipped with knobs for human-computer interaction. These knobs are mainly mechanical knobs. However, mechanical knobs are prone to grease accumulation after long-term use, which affects the accuracy of use and control. For this reason, the prior art has a magnetic knob, which is fixed to the panel by a magnet. The magnetic knob can exchange information with the control mainboard through the panel through non-contact signals such as magnetic induction signals to achieve adjustment and control of the appliance. However, since the magnetic knob can be easily moved, the probability of damage is also increased. Moreover, when the magnetic knob is damaged, it is often difficult to judge by appearance. For example, if the core parts such as the internal mirror magnet are damaged, if the magnetic button is used as usual at this time, it will cause signal transmission errors, disorder the product control, and cause inconvenience to the user. Summary of the invention

[0003] In view of this, the present invention provides a knob device, electrical equipment, calibration method and computer-readable storage medium to solve the problem that the appearance of the existing magnetic knob cannot be judged after internal damage and continued use will cause control disorder and errors.

[0004] In a first aspect, the present invention provides a knob device, comprising:

[0005] panel;

[0006] A knob, which is magnetically attracted to the panel and can rotate relative to the panel;

[0007] A magnetic induction detection component is arranged on both sides of the panel, and the magnetic induction detection component is used to detect the magnetic induction intensity signal generated when the knob member rotates, and then obtain the rotation angle of the knob member;

[0008] The optical detection components are arranged on both sides of the panel, and are used to detect the light intensity signal generated when the knob member is rotated, so as to obtain the rotation angle of the knob member.

[0009] Beneficial effect: The knob device of the present invention includes a panel, a knob part, a magnetic induction detection component and an optical detection component. By simultaneously arranging the magnetic induction detection component and the optical detection component, the magnetic induction intensity signal generated when the knob part is rotated can be detected by the magnetic induction detection component, thereby obtaining the rotation angle of the knob part. The light intensity signal generated when the knob part is rotated can also be detected by the optical detection component, thereby obtaining the rotation angle of the knob part, forming a two-dimensional detection mode. The knob device can be self-checked through this two-dimensional detection mode. Through user self-checking, the current damage status of the knob device can be monitored, the reliability and accuracy of the knob device signal can be verified, and the stability of product control can be ensured. If damage occurs, the user can be reminded in time, thereby effectively reducing the control disorder caused by the user continuing to use the damaged knob device without prior discovery.

[0010] In an optional embodiment, the optical detection component includes a light-generating detection component, a light-transmitting window and a reflection platform, the light-generating detection component is arranged on the side of the panel away from the knob component, the light-transmitting window is arranged on the side of the knob component facing the panel, a coating layer is arranged on the light-transmitting window, and the reflection platform is arranged in the knob component, and the light emitted by the light-generating detection component passes through the panel, the light-transmitting window and the coating layer and then is reflected by the reflection platform and returned to the light-generating detection component; the coating layer is a film layer with a changing light absorption rate.

[0011] Beneficial effect: The knob device of the present invention, the optical detection component includes a light generating detection part, a light transmitting window and a reflection platform, the light transmitting window is provided with a coating layer, and the coating layer is a film layer with a variable light absorption rate, the light emitted by the light generating detection part passes through the panel, the light transmitting window and the coating layer, and then is reflected back to the light generating detection part via the reflection platform, when the light passes through the coating layer, the light intensity will be absorbed by the coating layer, and because the coating layer is a film layer with a variable light absorption rate, the light intensity absorbed at different positions of the coating layer is different, thereby the rotation angle of the knob part can be obtained, the structure of this optical detection component is relatively simple, and the overall component volume is small, the setting space in the knob device is small, this optical detection component will not take up too much setting space, which is conducive to the reasonable layout of the structure.

[0012] In an optional implementation, the light-transmitting window is arranged around the rotation axis of the knob member.

[0013] Beneficial effect: In the knob device of the present invention, since the knob part can rotate 0°-360°, the light-transmitting window is arranged around the rotating axis of the knob part, that is, the light-transmitting window and the rotating axis of the knob part are arranged coaxially, and a coating layer is provided on the light-transmitting window, which can detect the rotation angle of the knob part in the maximum range, thereby facilitating product control and user use.

[0014] In an optional embodiment, the light absorption rate of the coating layer changes gradually or in steps from large to small in a clockwise direction or a counterclockwise direction around the rotation axis of the knob member.

[0015] Beneficial effect: In the knob device of the present invention, the light absorption rate of the coating layer changes gradually or in steps from large to small in a clockwise or counterclockwise direction around the rotating axis of the knob part. When the light absorption rate of the coating layer is set to change gradually (continuously) from large to small around the rotating axis of the knob part, each position of the coating layer around the rotating axis of the knob part corresponds to a rotation angle of the knob part. The coating layer with this structure can realize stepless adjustment control of the knob device and improve the operating experience. When the light absorption rate of the coating layer is set to change in steps around the rotating axis of the knob part, each step section of the coating layer around the rotating axis of the knob part corresponds to a rotation angle of the knob part. The coating layer with this structure can simplify the control difficulty and process and meet different control requirements.

[0016] In an optional embodiment, a change in the light absorption rate of the coating layer around the rotation axis of the knob member corresponds to a rotation angle of the knob member.

[0017] Beneficial effect: The rotating device of the present invention can obtain the rotation angle of the knob part through the intensity of the return light collected by the light generating detection part by making the change of the light absorption rate of the coating layer around the rotating axis of the knob part correspond to the knob angle of the knob part, which is convenient for subsequent product control and self-inspection.

[0018] In a second aspect, the present invention further provides an electrical device, comprising: a body and the knob device as described above, wherein the knob device is arranged on the body.

[0019] Because the electrical device of the present invention includes the rotating device of the present invention and has the same beneficial effects as the rotating device, it will not be described in detail here.

[0020] In an optional embodiment, a control unit is further included, which is electrically connected to the magnetic induction detection component and the optical detection component of the knob device, and the control unit obtains the rotation angle of the knob member based on the magnetic induction intensity signal detected by the magnetic induction detection component, and / or obtains the rotation angle of the knob member based on the light intensity signal detected by the optical detection component.

[0021] Beneficial effect: The electrical device of the present invention also includes a control unit for controlling the operation of the electrical device. The control unit is electrically connected to the magnetic induction detection component and the optical detection component of the knob device. The control unit can obtain the rotation angle of the knob member according to the magnetic induction intensity signal detected by the magnetic induction detection component, and / or obtain the rotation angle of the knob member according to the light intensity signal detected by the optical detection component, so as to facilitate the user to perform control operations.

[0022] In an optional embodiment, different rotation angles of the knob member correspond to different functions of the electrical device, and the control unit further controls the electrical device to respond to and execute the function corresponding to the rotation angle according to the rotation angle.

[0023] Beneficial effect: In the electrical device of the present invention, different rotation angles of the knob correspond to different functions of the electrical device. When the user rotates the knob, the electrical device can respond and execute the function corresponding to the rotation angle, thereby realizing the user's control operation on the electrical device.

[0024] In a third aspect, the present invention further provides a verification method, which is performed by the above-mentioned knob device or the above-mentioned electrical device, and the verification method comprises:

[0025] Start self-test;

[0026] Select the trust detection mode;

[0027] Turning the knob to detect and display the rotation angle of the knob according to the selected trust detection mode;

[0028] If the deviation between the displayed rotation angle and the actual rotation angle is greater than a preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is faulty;

[0029] If the deviation between the displayed rotation angle and the actual rotation angle is less than or equal to the preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is normal.

[0030] Beneficial effect: The verification method of the present invention has a two-dimensional detection mode, because the knob device can detect the rotation angle of the knob part through a magnetic induction signal, and can also detect the rotation angle of the knob part through a light intensity signal. By selecting a trust detection mode and detecting the rotation angle of the knob part according to the selected trust detection mode, it is possible to obtain whether the detection component (magnetic induction detection component or optical detection component) corresponding to the selected trust detection mode has a fault, thereby realizing self-inspection of the knob device, so that the user can know the integrity of the knob device.

[0031] In an optional embodiment, when executing the step of rotating the knob member and detecting and displaying the rotation angle of the knob member according to the selected trust detection mode, the rotation angle of the knob member is simultaneously detected by the magnetic induction detection component to obtain a first rotation angle, and the rotation angle of the knob member is detected by the optical detection component to obtain a second rotation angle. If the difference between the first rotation angle and the second rotation angle is within a preset difference range, the default trust detection mode is restored.

[0032] Beneficial effect: In the verification method of the present invention, after the user selects the trust detection mode, the system still performs self-inspection on the knob device through two detection modes at the same time, that is, the rotation angle of the knob is detected by the magnetic induction detection component to obtain the first rotation angle, and the rotation angle of the knob is detected by the optical detection component to obtain the second rotation angle, and then the first selected angle is compared with the second rotation angle. If the difference between the first rotation angle and the second rotation angle is within the preset difference range, it proves that the first rotation angle is close to the second rotation angle, and the magnetic induction detection component and the optical detection component inside the knob device have returned to normal. At this time, the system returns to the default trust detection mode and waits for the user to start controlling it. This verification method can detect the state of the knob device in time, and when the knob device returns to normal, it can resume work in time, which is convenient for the user to operate and use.

[0033] In an optional embodiment, before the step of starting the self-test, it also includes: simultaneously detecting the rotation angle of the knob member by the magnetic induction detection component to obtain a first rotation angle, and detecting the rotation angle of the knob member by the optical detection component to obtain a second rotation angle, and if the difference between the first rotation angle and the second rotation angle is outside a preset difference range, an alarm is triggered.

[0034] Beneficial effect: The verification method of the present invention, before starting the self-check, during the user's daily use, detects the knob device by simultaneously using two detection modes. If it is found that the difference between the first rotation angle and the second rotation angle is outside the preset difference range, it is proved that the knob device has an abnormality, and an alarm is issued, prompting the user to start the self-check and detect the knob device to promptly discover the fault of the knob device.

[0035] In an optional implementation, after the alarm, the electrical device pauses responding and executes the function corresponding to the rotation angle of the knob device.

[0036] Beneficial effect: According to the verification method of the present invention, after the alarm is sounded, the electrical device pauses responding and executes the function corresponding to the rotation angle of the knob device, so that the user can accurately check the cause of the abnormality and avoid interference to the user.

[0037] In an optional embodiment, the trust detection mode includes switching to a trusted magnetic induction signal when there is no alarm, switching to a trusted light intensity sensing signal when there is no alarm, switching to a trusted magnetic induction signal when there is an alarm, switching to a trusted light intensity sensing signal when there is an alarm, and stopping responding to the knob device signal.

[0038] Beneficial effect: The verification method of the present invention has five trust detection modes, namely, switching to a trusted magnetic induction signal when there is no alarm, switching to a trusted light intensity induction signal when there is no alarm, switching to a trusted magnetic induction signal when there is an alarm, switching to a trusted light intensity induction signal when there is an alarm, and stopping the response knob device signal. Users can choose according to their needs, which is convenient for user operation.

[0039] In an optional implementation, if one of the magnetic induction detection component and the optical detection component fails, the user selects the trust detection mode corresponding to the other one for control.

[0040] Beneficial effect: If the verification method of the present invention finds through self-inspection that one of the magnetic induction detection component and the optical detection component is faulty, the knob device can still work through the other corresponding detection mode, and there is no need to replace the knob device immediately. On the one hand, it saves the user the cost of use and replacement and maintenance, and on the other hand, it does not delay the user's continued use, thereby improving the user's experience.

[0041] In an optional embodiment, after the step in which if one of the magnetic induction detection component and the optical detection component fails, the user selects the trust detection mode corresponding to the other one for control, the electrical device resumes responding and executes the function corresponding to the rotation angle of the knob device.

[0042] Beneficial effect: According to the verification method of the present invention, after the user selects a trust detection mode again, the electrical device resumes responding and executes the function corresponding to the rotation angle of the knob device, so that the user can continue to use the electrical device.

[0043] In a fourth aspect, the present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and when the computer instructions are executed, the above-mentioned verification method is implemented.

[0044] Because the computer-readable storage medium of the present invention implements the verification method of the present invention and has the same beneficial effects as the verification method of the present invention, it is not described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0046] Figure 1 is a side angle cross-sectional view of the knob device of the present invention;

[0047] Figure 2 It is a schematic diagram of a knob device of the present invention from a top view;

[0048] Figure 3 Flow chart of the control method of the present invention.

[0049] Description of reference numerals:

[0050] 1. Panel;

[0051] 2. Knob; 201. Upper shell; 202. Lower shell; 203. Bottom plate;

[0052] 3. Light generating detection parts;

[0053] 4. Light-transmitting window;

[0054] 5. Reflection platform;

[0055] 6. Film layer;

[0056] 7. Upper positioning magnet;

[0057] 8. Lower positioning magnet;

[0058] 9. Mirror magnet;

[0059] 10. Magnetic induction module;

[0060] 11. Support spring;

[0061] 12. Base;

[0062] 13. First hook;

[0063] 14. Second hook. DETAILED DESCRIPTION

[0064] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0065] Combine the following Figure 1-Figure 3 , describing embodiments of the knob device, electrical equipment, calibration method and computer-readable storage medium of the present invention.

[0066] According to an embodiment of the present invention, a knob device is provided, comprising: a panel 1, a knob member 2, a magnetic induction detection component and an optical detection component, wherein the knob member 2 is magnetically attracted to the panel 1 and can rotate relative to the panel 1, the magnetic induction detection components are arranged on both sides of the panel 1, the magnetic induction detection components are used to detect the magnetic induction intensity signal generated when the knob member 2 rotates, thereby obtaining the rotation angle of the knob member 2, and the optical detection components are arranged on both sides of the panel 1, the optical detection components are used to detect the light intensity signal generated when the knob member 2 rotates, thereby obtaining the rotation angle of the knob member 2.

[0067] This knob device can detect the magnetic induction intensity signal generated by the knob part 2 when it rotates through the magnetic induction detection component, and then obtain the rotation angle of the knob part 2. It can also detect the light intensity signal generated by the knob part 2 when it rotates through the optical detection component, and then obtain the rotation angle of the knob part 2, forming a two-dimensional detection mode. Through this two-dimensional detection mode, the knob device can be self-checked. Through user self-checking, the current damage status of the knob device can be monitored, the reliability and accuracy of the knob device signal can be verified, and the stability of product control can be ensured. If damage occurs, the user can be reminded in time, thereby effectively reducing the control disorder caused by the user's continued use without prior discovery of the damage of the knob device.

[0068] like Figure 1 As shown, the knob device is a magnetic knob device, which can be installed by a magnet. The knob device includes a panel 1, a knob member 2 and a base 12. The panel 1 is sandwiched between the knob member 2 and the base 12. Usually, the base 12 is arranged on the body of the electrical device, the panel 1 is arranged on the base 12, and the knob member 2 is movably arranged on the panel 1. The knob member 2 and the base 12 both have a receiving space inside.

[0069] In this embodiment, a magnet assembly is provided in the knob device, and the magnet assembly includes an upper positioning magnet 7 and a lower positioning magnet 8. The upper positioning magnet 7 is provided on one of the knob member 2 and the base 12, and the lower positioning magnet 8 is provided on the other of the knob member 2 and the base 12. Specifically, the upper positioning magnet 7 is provided inside the knob member 2, and the lower positioning magnet 8 is provided inside the base 12. The upper positioning magnet 7 and the lower positioning magnet 8 are magnets of opposite polarity, and when the upper positioning magnet 7 and the lower positioning magnet 8 are close to each other, they can be magnetically attracted to each other, so that the knob member 2 is magnetically attracted to the base 12 through the panel 1, and the installation of the knob member 2 is realized.

[0070] Specifically, the knob member 2 includes an upper shell 201, a lower shell 202 and a bottom plate 203. The upper shell 201 and the lower shell 202 are detachably connected. The upper positioning magnet 7 is arranged close to the bottom plate 203, and the lower positioning magnet 8 is arranged close to the panel 1 in the base 12, so that the upper positioning magnet 7 and the lower positioning magnet 8 can be conveniently magnetically matched.

[0071] In this embodiment, the upper shell 201 and the lower shell 202 are detachably connected via a hook structure, which includes a first hook 13 and a second hook 14. The first hook 13 is arranged at the edge of the upper shell 201 facing the lower shell 202, and the second hook 14 is arranged at the edge of the lower shell 202 facing the upper shell 201. The first hook 13 and the second hook 14 can be hooked and cooperated with each other to achieve the installation and disassembly of the upper shell 201 and the lower shell 202.

[0072] The hook structure further includes a support spring 11, one end of which abuts against the bottom plate 203, and the other end abuts against the top wall of the upper shell 201 away from the lower shell 202. When the first hook 13 and the second hook 14 are hooked, the support spring 11 is in a natural state or a compressed state. When an external force overcomes the elastic force of the support spring 11 and compresses the support spring 11, so that the upper shell 201 moves toward the lower shell 202, the first hook 13 and the second hook 14 can be hooked or disengaged to achieve the installation and disassembly of the upper shell 201 and the lower shell 202.

[0073] Specifically, there is a cavity inside the upper positioning magnet 7, a part of the support spring 11 is placed in the cavity, one end of the support spring 11 abuts against the bottom of the cavity near the bottom plate 203, and the end of the support spring 11 indirectly abuts against the bottom plate 203; or the cavity is a through structure, a part of the support spring 11 is placed in the cavity, and one end of the support spring 11 directly abuts against the bottom plate 203. This structural design can save installation space and make the structure compact.

[0074] The panel 1 is a plate-like structure, at least part of which is made of a light-transmitting material. The horizontal dimension of the panel 1 is larger than the knob 2 and the base 12 to facilitate the installation of the structure and components. The knob 2 is cylindrical in shape to facilitate the user to hold and rotate it. The knob 2 is set on one side of the panel 1 to Figure 1 Taking the perspective as an example, the knob 2 is arranged above the panel 1. The shape of the base 12 is not limited. Optionally, the base 12 is also cylindrical as a whole to make the appearance of the rotating device uniform. The base 12 is arranged on the other side of the panel 1. Figure 1 Taking the viewing angle as an example, the base 12 is arranged below the panel 1.

[0075] The knob device further includes a magnetic induction detection component and an optical detection component. The magnetic induction detection component is disposed on both sides of the panel 1. The magnetic induction detection component is used to detect the rotation angle of the knob member 2 through a magnetic induction intensity signal. The magnetic induction detection component uses the magnetic induction principle to obtain the rotation angle information of the knob member 2. Furthermore, the magnetic induction detection component can also obtain the pressing information of the knob member 2 using the magnetic induction principle.

[0076] Specifically, the magnetic induction detection component includes a mirror magnet 9 and a magnetic induction module 10. The mirror magnet 9 is arranged on one side of the panel 1 and located inside the knob member 2. Optionally, the mirror magnet 9 is centrally arranged inside the knob member 2. The magnetic induction module 10 is arranged on the other side of the panel 1 and located inside the base 12. The setting position of the magnetic induction module 10 corresponds to the mirror magnet 9. The magnetic induction module 10 can detect the change of the magnetic field of the mirror magnet 9. When the knob member 2 rotates or approaches / moves away from the panel 1, the magnetic field of the mirror magnet 9 will change accordingly. The magnetic induction module 10 can detect this. The magnetic induction information of the mirror magnet 9 corresponds to the rotation angle of the knob member 2 and the pressing information.

[0077] like Figure 1 As shown, in order to save space, the mirror magnet 9 is arranged on the top wall of the upper shell 201 away from the lower shell 202, and the support spring 11 is sleeved on the outside of the mirror magnet 9. In addition, the lower positioning magnet 8 has a cavity inside, and the magnetic induction module 10 is arranged in the cavity.

[0078] Furthermore, the optical detection component includes a light-generating detection component 3, a light-transmitting window 4 and a reflection platform 5. The light-generating detection component 3 is arranged on the side of the panel 1 away from the knob component 2, the light-transmitting window 4 is arranged on the side of the knob component 2 facing the panel 1, a coating layer 6 is arranged on the light-transmitting window 4, and the reflection platform 5 is arranged in the knob component 2. The light emitted by the light-generating detection component 3 passes through the panel 1, the light-transmitting window 4 and the coating layer 6 and then is reflected via the reflection platform 5 and returned to the light-generating detection component 3; the coating layer 6 is a film layer with a changing light absorption rate.

[0079] The optical detection component is used to detect the rotation angle of the knob member 2 through the light intensity signal. The optical detection component includes a light-generating detection member 3, a light-transmitting window 4 and a reflective platform 5. The light-generating detection member 3 is arranged on the side of the panel 1 away from the knob member 2. Specifically, the light-generating detection member 3 is arranged inside the base 12. The light-generating detection member 3 can emit light and detect the intensity of the reflected light. In order to facilitate the structural setting, the light-generating detection member 3 is arranged close to the inner wall of the base 12.

[0080] The light-transmitting window 4 is arranged on the side of the knob member 2 facing the panel 1. Specifically, the light-transmitting window 4 is arranged on the bottom plate 203, and the arrangement position of the light-transmitting window 4 corresponds to the arrangement position of the light-generating detection member 3. Light can completely pass through the light-transmitting window 4. A coating layer 6 is arranged on the light-transmitting window 4. The coating layer 6 is usually attached to the light-transmitting window 4. The coating layer 6 can be arranged on the side of the light-transmitting window 4 facing away from the panel 1 or on the side of the light-transmitting window 4 facing the panel 1.

[0081] The user can observe the integrity of the coating layer 6 through the light-transmitting window 4 . If the appearance is to be sacrificed completely, the inside and outside of the knob device can be made of transparent materials so that the internal situation can be fully seen.

[0082] The coating layer 6 is a film layer with a variable light absorption rate, which can also be called a dark film. The material and thickness of the coating layer 6 are not limited. When light passes through the coating layer 6, at least part of the light intensity will be absorbed by the coating layer 6, so that the light intensity changes.

[0083] The reflective platform 5 is disposed in the knob 2 and is located on the side of the light-transmitting window 4 facing away from the panel 1, and the setting position of the reflective platform 5 corresponds to the setting position of the light-transmitting window 4. Figure 1 Taking the viewing angle as an example, the reflective platform 5 is arranged above the light-transmitting window 4. The reflective platform 5 can change the light propagation path and reflect the light back. In this embodiment, the reflective platform 5 can change the light propagation path by 180°.

[0084] At least the portion of the panel 1 facing the light-transmitting window 4 is made of a light-transmitting material. In this embodiment, the entire panel 1 is made of a light-transmitting material.

[0085] The light emitted by the light-generating detection component 3 passes through the panel 1, the light-transmitting window 4, and the coating layer 6, and then is reflected by the reflection platform 5 and returned to the light-generating detection component 3. Specifically, the light emitted by the light-generating detection component 3 is the initial light, which passes through the light-transmitting window 4 and the coating layer 6 and is irradiated on the reflection platform 5. The reflection platform 5 reflects the initial light to form the return light, which passes through the light-transmitting window 4 and the coating layer 6 and returns along the original path, and then irradiates the light-generating detection component 3. Since the light passes through the coating layer 6 twice, at least part of its light intensity has been absorbed by the coating layer 6. At this time, the light-generating detection component 3 can detect the light intensity of the return light.

[0086] Furthermore, the change in the light absorption rate of the coating layer 6 in the clockwise direction or the counterclockwise direction around the rotation axis of the knob member 2 corresponds to the knob angle of the knob member 2 .

[0087] The light absorption rate of the coating layer 6 changes around the rotation axis of the knob 2, and can change in a clockwise direction or a counterclockwise direction. In this way, the light intensity absorbed by the coating layer 6 at different positions is different, so that the intensity of the returned light corresponds to the rotation angle of the knob 2, and the rotation angle of the knob 2 can be obtained according to the light intensity.

[0088] Furthermore, the light-transmitting window 4 is arranged around the rotating shaft of the knob member 2 for one circle.

[0089] like Figure 2 As shown, since the knob member 2 can rotate within the range of 0°-360°, the light-transmitting window 4 is arranged around the rotation axis of the knob member 2, that is, the light-transmitting window 4 is arranged for 360° and the light-transmitting window 4 is arranged coaxially with the rotation axis of the knob member 2, so that the setting range of the light-transmitting window 4 corresponds to the rotation range of the knob member 2, so as to realize the subsequent detection of the rotation angle of the knob member 2.

[0090] Correspondingly, since the light-transmitting window 4 is provided with the coating layer 6, the coating layer 6 is also arranged around the rotation axis of the knob member 2 for one circle, that is, 360°.

[0091] Furthermore, the light absorption rate of the coating layer 6 changes gradually or in a step-like manner from large to small around the rotation axis of the knob member 2 .

[0092] The light absorption rate of the coating layer 6 changes gradually or in steps around the rotation axis of the knob 2. When the light absorption rate of the coating layer 6 changes gradually (continuously) around the rotation axis of the knob 2, each position of the coating layer 6 corresponds to a rotation angle of the knob 2. The coating layer of this structure can realize the stepless adjustment control of the knob device and improve the operating experience. When the light absorption rate of the coating layer 6 changes in steps around the rotation axis of the knob 2, each step of the coating layer 6 corresponds to a rotation angle of the knob 2 around the rotation axis of the knob 2. The coating layer 6 of this structure can simplify the control difficulty and control process to meet different control requirements.

[0093] In this embodiment, the light absorption rate of the coating layer 6 changes gradually from large to small around the rotation axis of the knob member 2 .

[0094] This embodiment further provides an electrical device, including: a body and the above-mentioned knob device, wherein the knob device is arranged on the body.

[0095] The electrical device may be a household appliance or an industrial appliance, which is not limited in this embodiment.

[0096] The electrical device includes a body, which is a bearing structure of the electrical device, and the body is provided with structures and components necessary for the electrical device inside and outside. In this embodiment, a control mainboard of the electrical device is provided inside the body. The knob device is provided on the body, and the setting position of the knob device corresponds to the setting position of the control mainboard inside the body, so that the rotating device can exchange information with the control mainboard.

[0097] This electrical device has the knob device of this embodiment, and can perform self-inspection on the knob device through a two-dimensional detection mode. Through user self-inspection, it can monitor the current damage condition of the knob device, verify the reliability and accuracy of the knob device signal, ensure the stability of product control, and promptly remind the user if damage occurs, thereby effectively reducing control disorders caused by continued use of the knob device without the user noticing the damage in advance.

[0098] Furthermore, the electrical device also includes a control unit, which is electrically connected to the magnetic induction detection component and the optical detection component of the knob device. The control unit obtains the rotation angle of the knob part 2 based on the magnetic induction intensity signal detected by the magnetic induction detection component, and / or obtains the rotation angle of the knob part 2 based on the light intensity signal detected by the optical detection component.

[0099] The control unit is arranged on the control main board, and the control unit can control the operation of the electrical device as a whole. The control unit is electrically connected to the magnetic induction detection component and the optical detection component of the knob device. The control unit and the magnetic induction detection component and the optical detection component constitute the control system of the electrical device, and of course the control system can also include other functional modules of the electrical device.

[0100] The magnetic induction signal detected by the magnetic induction detection component can be sent to the control unit, which has a preset correspondence between the magnetic induction signal and the rotation angle of the knob 2. The control unit can obtain the current rotation angle of the knob 2 based on the magnetic induction signal detected by the magnetic induction detection component.

[0101] Similarly, the light intensity signal detected by the optical detection component can be sent to the control unit, which has a preset correspondence between the light intensity signal and the rotation angle of the knob 2. The control unit can obtain the current rotation angle of the knob 2 based on the light intensity signal detected by the optical detection component.

[0102] Of course, the electrical device is also provided with a display mechanism, etc., which can display the operation information of the electrical device, such as the rotation angle of the knob 2 and the corresponding product function information.

[0103] Furthermore, different rotation angles of the knob 2 correspond to different functions of the electrical device, and the control unit also controls the electrical device to respond and execute the function corresponding to the rotation angle according to the rotation angle.

[0104] When the user rotates the knob 2 , the electrical device can respond and execute the function corresponding to the rotation angle of the knob 2 , thereby realizing the user's control operation on the electrical device.

[0105] like Figure 3 As shown, this embodiment also provides a verification method, which is performed by the above-mentioned knob device or the above-mentioned electrical device, and the verification method includes:

[0106] Step S01, start self-check;

[0107] Step S02, selecting a trust detection mode;

[0108] Step S03: rotating the knob 2, and detecting and displaying the rotation angle of the knob 2 according to the selected trust detection mode;

[0109] Step S04: if the deviation between the displayed rotation angle and the actual rotation angle is greater than a preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is faulty;

[0110] Step S05: If the deviation between the displayed rotation angle and the actual rotation angle is less than a preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is normal.

[0111] This verification method has a two-dimensional detection mode, because the knob device can detect the rotation angle of the knob part through a magnetic induction signal and can also detect the rotation angle of the knob part through a light intensity signal. By selecting a trust detection mode and detecting the rotation angle of the knob part according to the selected trust detection mode, it is possible to obtain whether the detection component (magnetic induction detection component or optical detection component) corresponding to the selected trust detection mode has a fault, thereby achieving self-inspection of the knob device, making it convenient for the user to know the damage status of the knob device, and reducing control disorders caused by the user continuing to use the damaged knob device without prior discovery.

[0112] In step S01 , a self-test button may be provided on the body of the electrical device, and when a user needs to start a self-test, the user may start the self-test by pressing the self-test button.

[0113] In step S02, the trust detection mode refers to a detection mode that is considered to be fault-free and can operate normally. For example, if the user believes that the magnetic induction detection component may be damaged during use, the detection mode corresponding to the optical detection component can be selected. Similarly, if the user believes that the optical detection component may be damaged during use, the detection mode corresponding to the magnetic induction detection component can be selected.

[0114] In step S03, after selecting the trust detection mode, the user manually rotates the knob 2, and the control unit detects and displays the rotation angle of the knob 2 according to the selected trust detection mode. For example, when the user selects the detection mode corresponding to the optical detection component, the control unit obtains the rotation angle of the knob 2 according to the light intensity signal, and displays the angle value on the display module outside the body for the user to read; and when the user selects the detection mode corresponding to the magnetic induction detection component, the control unit obtains the rotation angle of the knob 2 according to the magnetic induction signal, and displays the angle value on the display module outside the body for the user to read.

[0115] In step S04, if the deviation between the displayed rotation angle and the actual rotation angle is greater than a preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is faulty.

[0116] A preset value is preset in the control unit, and the user has an understanding of the rotation angle of the manual operation when operating the knob member 2. For example, the preset value may be 10°. The manually operated knob member 2 is rotated at a larger angle (such as approximately 90°). At this time, if the displayed rotation angle deviates from the actual rotation angle by more than the preset value, for example, the displayed rotation angle is 30°, and the displayed rotation angle deviates too much from the actual rotation angle, which is greater than the preset value of 10°, then it can be proved that the magnetic induction detection component or optical detection component corresponding to the selected trust detection mode is faulty. For another example, the preset value may be 10°. The manually operated knob member 2 is rotated at a smaller angle (such as approximately 5°). At this time, if the displayed rotation angle deviates from the actual rotation angle by more than the preset value, for example, the displayed rotation angle is 300°, and the displayed rotation angle deviates too much from the actual rotation angle, which is greater than the preset value of 10°, then it can be proved that the magnetic induction detection component or optical detection component corresponding to the selected trust detection mode is faulty.

[0117] In step S05, if the deviation between the displayed rotation angle and the actual rotation angle is less than or equal to the preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is normal.

[0118] A preset value is preset in the control unit, and the user has an understanding of the rotation angle of the manual operation when operating the knob member 2. For example, the preset value may be 10°. The manually operated knob member 2 is rotated at a larger angle (such as about 90°). At this time, if the displayed rotation angle deviates from the actual rotation angle by less than or equal to the preset value, for example, the displayed rotation angle is 88°, and the displayed rotation angle deviates from the actual rotation angle by less than the preset value of 10°, then it can be proved that the magnetic induction detection component or optical detection component corresponding to the selected trust detection mode is normal and has no faults. For another example, the preset value may be 10°. The manually operated knob member 2 is rotated at a smaller angle (such as about 5°). At this time, if the displayed rotation angle deviates from the actual rotation angle by less than or equal to the preset value, for example, the displayed rotation angle is 8°, and the displayed rotation angle deviates from the actual rotation angle by less than the preset value of 10°, then it can be proved that the magnetic induction detection component or optical detection component corresponding to the selected trust detection mode is normal and has no faults.

[0119] Furthermore, when executing the step of rotating the knob member 2 and detecting and displaying the rotation angle of the knob member 2 according to the selected trust detection mode, the rotation angle of the knob member 2 is simultaneously detected by the magnetic induction detection component to obtain the first rotation angle, and the rotation angle of the knob member 2 is detected by the optical detection component to obtain the second rotation angle. If the difference between the first rotation angle and the second rotation angle is within a preset difference range, the default trust detection mode is restored.

[0120] After the user selects the trust detection mode, the system still performs self-checks on the knob device through two detection modes at the same time, that is, the rotation angle of the knob part 2 is detected by the magnetic induction detection component to obtain the first rotation angle, and the rotation angle of the knob part 2 is detected by the optical detection component to obtain the second rotation angle, and then the first selected angle is compared with the second rotation angle. If the difference between the first rotation angle and the second rotation angle is within the preset difference range, it proves that the first rotation angle is close to the second rotation angle, and the magnetic induction detection component and the optical detection component inside the knob device have returned to normal. At this time, the system returns to the default trust detection mode and waits for the user to start controlling it. This verification method can detect the status of the knob device in time, and when the knob device returns to normal, it can resume work in time, which is convenient for the user's operation and use.

[0121] Regardless of which trust detection mode the user selects, the control system of the electrical device will still use two detection modes at the same time to detect the rotation angle of the knob 2 and compare it within the system. The control unit is preset with a preset difference range, and the rotation angle of the knob 2 is detected by the magnetic induction detection component to obtain the first rotation angle, and the rotation angle of the knob 2 is detected by the optical detection component to obtain the second rotation angle, and then the first selected angle is compared with the second rotation angle. If the difference between the first rotation angle and the second rotation angle is within the preset difference range, it proves that the first rotation angle is close to the second rotation angle, and the magnetic induction detection component and the optical detection component inside the knob device have returned to normal. At this time, there is no need to continue the self-test, and the system returns to the default trust detection mode, waiting for the user to start controlling it.

[0122] Furthermore, before starting the self-check step, it also includes: simultaneously detecting the rotation angle of the knob part 2 through the magnetic induction detection component to obtain the first rotation angle, and detecting the rotation angle of the knob part 2 through the optical detection component to obtain the second rotation angle, and if the difference between the first rotation angle and the second rotation angle is outside the preset difference range, an alarm is issued.

[0123] During daily use of the electrical device, the control unit will simultaneously detect and compare the rotation angle of the knob 2 through two detection modes. If it is found that the difference between the first rotation angle and the second rotation angle is outside the preset difference range, it proves that the rotating device is faulty and an alarm is sounded. The causes of the fault are usually the following:

[0124] (1) The body of the mirror magnet 9 or its supporting structure is damaged;

[0125] (2) The panel 1, the light-transmitting window 4 or the coating layer 6 is damaged;

[0126] (3) There are heavy stains or obstructions between the knob 2 and the panel 1.

[0127] Generally, the user can observe the knob device through the light-transmitting window 4 to eliminate the above situations (2) and (3). However, in order to accurately detect and know the exact location of the damage to the rotating device, it is necessary to start the self-test program and use the verification method to perform the test, that is, execute step S01.

[0128] That is to say, when the knob device is not damaged, the rotation angle information obtained from the two detection modes will be equal or close; when the rotation angle information obtained from the two detection modes is greatly different, the product stops responding to the knob device signal and issues an alarm.

[0129] Furthermore, after the alarm, the electrical device pauses responding and executes the function corresponding to the rotation angle of the knob device.

[0130] After the alarm, the knob device has an abnormal situation. At this time, the electrical device suspends response and executes the function corresponding to the rotation angle of the knob device, so that the user can concentrate on and accurately check the cause of the abnormality, avoiding interference to the user, and avoiding energy waste and functional abnormalities.

[0131] Furthermore, the trust detection mode includes switching to a trusted magnetic induction signal when there is no alarm, switching to a trusted light intensity sensing signal when there is no alarm, switching to a trusted magnetic induction signal when there is an alarm, switching to a trusted light intensity sensing signal when there is an alarm, and stopping responding to the knob device signal.

[0132] In this embodiment, there are five trust detection modes, namely, switching to a trusted magnetic induction signal when there is no alarm, switching to a trusted light intensity induction signal when there is no alarm, switching to a trusted magnetic induction signal when there is an alarm, switching to a trusted light intensity induction signal when there is an alarm, and stopping responding to the knob device signal (the knob is damaged and there is no available knob), and the user can select as needed. "Switch to a trusted magnetic induction signal when there is no alarm" can be selected as the default trust detection mode.

[0133] It should be noted that there is no difference in execution between "switch to trusted magnetic induction signal when there is no alarm" and "switch to trusted magnetic induction signal when there is an alarm", and it is just for the user to choose when there is an alarm or not. Similarly, there is no difference in execution between "switch to trusted light intensity sensing signal when there is no alarm" and "switch to trusted light intensity sensing signal when there is an alarm", and it is just for the user to choose when there is an alarm or not.

[0134] Furthermore, if one of the magnetic induction detection component and the optical detection component fails, the user selects the trust detection mode corresponding to the other one for control.

[0135] If self-inspection finds that one of the magnetic induction detection component and the optical detection component is faulty, the knob device can still work through the other corresponding detection mode, and there is no need to replace the knob device immediately. On the one hand, it saves users the cost of use and replacement and maintenance, and on the other hand, it does not delay users' continued use, thereby improving users' experience.

[0136] Further, if one of the magnetic induction detection component and the optical detection component fails, after the user selects the trust detection mode corresponding to the other one for control, the electrical device resumes responding and executes the function corresponding to the rotation angle of the knob device. After the user selects a trust detection mode again, the electrical device resumes responding and executes the function corresponding to the rotation angle of the knob device, so that the user can continue to use the electrical device.

[0137] This embodiment further provides a computer-readable storage medium, which stores computer instructions. When the computer instructions are executed, the above-mentioned verification method is implemented.

[0138] The computer-readable storage medium provided in this embodiment has all the technical effects of the above-mentioned verification method by adopting the verification method of the above-mentioned implementation mode, and the specific technical effects of the computer-readable storage medium are not described in detail here.

[0139] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A knob device, characterized in that: include: Panel (1); A knob (2) is magnetically attracted to the panel (1) and can rotate relative to the panel (1); A magnetic induction detection component is arranged on both sides of the panel (1), and is used to detect a magnetic induction intensity signal generated when the knob (2) rotates, thereby obtaining a rotation angle of the knob (2); An optical detection component is arranged on both sides of the panel (1), and is used to detect a light intensity signal generated when the knob (2) rotates, thereby obtaining the rotation angle of the knob (2).

2. The knob device according to claim 1, characterized in that: The optical detection component comprises a light-generating detection component (3), a light-transmitting window (4) and a reflection platform (5); the light-generating detection component (3) is arranged on a side of the panel (1) away from the knob component (2); the light-transmitting window (4) is arranged on a side of the knob component (2) facing the panel (1); a coating layer (6) is arranged on the light-transmitting window (4); the reflection platform (5) is arranged inside the knob component (2); light emitted by the light-generating detection component (3) passes through the panel (1), the light-transmitting window (4) and the coating layer (6) and is reflected back to the light-generating detection component (3) via the reflection platform (5); the coating layer (6) is a film layer with a variable light absorption rate.

3. The knob device according to claim 2, characterized in that: The light-transmitting window (4) is arranged around the rotating shaft of the knob member (2).

4. The knob device according to claim 3, characterized in that: The light absorption rate of the coating layer (6) changes gradually or in a step-like manner from large to small in a clockwise direction or a counterclockwise direction around the rotation axis of the knob member (2).

5. The knob device according to claim 3 or 4, characterized in that: The change in the light absorption rate of the coating layer (6) around the rotation axis of the knob member (2) corresponds to the rotation angle of the knob member (2).

6. An electrical device, characterized in that: include: A body and a knob device as described in any one of claims 1 to 5, wherein the knob device is arranged on the body.

7. The electrical device according to claim 6, characterized in that: The invention also comprises a control unit, which is electrically connected to the magnetic induction detection component and the optical detection component of the knob device, and the control unit obtains the rotation angle of the knob member (2) according to the magnetic induction intensity signal detected by the magnetic induction detection component, and / or obtains the rotation angle of the knob member (2) according to the light intensity signal detected by the optical detection component.

8. The electrical device according to claim 7, characterized in that: Different rotation angles of the knob (2) correspond to different functions of the electrical device, and the control unit also controls the electrical device to respond to and execute the function corresponding to the rotation angle according to the rotation angle.

9. A verification method, characterized in that: The verification method is performed by the knob device according to any one of claims 1 to 5 or by the electrical device according to any one of claims 6 to 8, and the verification method includes: Start self-test; Select the trust detection mode; Turning the knob (2) to detect and display the rotation angle of the knob (2) according to the selected trust detection mode; If the deviation between the displayed rotation angle and the actual rotation angle is greater than a preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is faulty; If the deviation between the displayed rotation angle and the actual rotation angle is less than or equal to the preset value, the magnetic induction detection component or the optical detection component corresponding to the selected trust detection mode is normal.

10. The verification method according to claim 9, characterized in that: When executing the step of rotating the knob member (2) and detecting and displaying the rotation angle of the knob member (2) according to the selected trust detection mode, the rotation angle of the knob member (2) is detected by the magnetic induction detection component to obtain a first rotation angle, and the rotation angle of the knob member (2) is detected by the optical detection component to obtain a second rotation angle. If the difference between the first rotation angle and the second rotation angle is within a preset difference range, the default trust detection mode is restored.

11. The verification method according to claim 9, characterized in that: Before the step of starting the self-check, the method further includes: simultaneously detecting the rotation angle of the knob member (2) by means of the magnetic induction detection component to obtain a first rotation angle, and detecting the rotation angle of the knob member (2) by means of the optical detection component to obtain a second rotation angle, and if the difference between the first rotation angle and the second rotation angle is outside a preset difference range, an alarm is triggered.

12. The verification method according to claim 11, characterized in that: After the alarm, the electrical device pauses responding and executes the function corresponding to the rotation angle of the knob device.

13. The verification method according to claim 9, characterized in that: The trust detection mode includes switching to a trusted magnetic induction signal when there is no alarm, switching to a trusted light intensity induction signal when there is no alarm, switching to a trusted magnetic induction signal when there is an alarm, switching to a trusted light intensity induction signal when there is an alarm, and stopping responding to a knob device signal.

14. The verification method according to any one of claims 9 to 13, characterized in that: If one of the magnetic induction detection component and the optical detection component fails, the user selects the trust detection mode corresponding to the other one for control.

15. The verification method according to claim 14, characterized in that: After the step in which if one of the magnetic induction detection component and the optical detection component fails, the user selects the trust detection mode corresponding to the other one for control, the electrical device resumes responding and executes the function corresponding to the rotation angle of the knob device.

16. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and when the computer instructions are executed, the verification method described in any one of claims 9 to 15 is implemented.

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