CN214670306U - Knob assembly and equipment with same - Google Patents

Abstract

The utility model provides a knob subassembly and have its equipment, wherein the knob subassembly includes fixed baseplate and rotatable coupling's rotating member that has the center of rotation axle with it, it holds the chamber to have the detection in the rotating member, first distance detection face has on its chamber wall, the second distance detection face, first distance detection face sets up with the second distance detection face is adjacent, projection on perpendicular to center of rotation axle's arbitrary plane, the radial distance between first distance detection face and the center of rotation axle is first radial distance, the radial distance between second distance detection face and the center of rotation axle is second radial distance, first radial distance is not equal with second radial distance, be equipped with non-contact range finding part on the fixed baseplate and be used for acquireing first radial distance and second radial distance. According to the utility model discloses, rotating assembly mechanical wear is little, and subassembly life is longer, breaks through the restriction of mechanical type knob subassembly on the physical structure simultaneously, and equipment parameter adjustment scope is bigger.

Description

Knob assembly and equipment with same

Technical Field

The utility model belongs to the technical field of equipment parameter adjustment, concretely relates to knob subassembly and have its equipment.

Background

With the development of intellectualization and diversification of household electrical appliances, equipment devices with knobs are applied to user products more. Traditional knob device is mechanical fluctuation switch and magnetic induction device, and toggle switch has mechanical sound when using, simultaneously because the production of its mechanical displacement makes in it corresponding part receive the restriction on life, produces mechanical wear easily, influences user experience.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a knob subassembly and have its equipment to overcome mechanical wear, the short not enough of life-span that the undulant knob contact of machinery brought among the prior art.

In order to solve the above problems, the present invention provides a knob assembly, which comprises a fixed base and a rotating member rotatably connected to the fixed base, the rotating part is provided with a rotating central shaft, a detection accommodating cavity is constructed in the rotating part, the cavity wall of the detection accommodating cavity is provided with a first distance detection surface and a second distance detection surface, the first distance detection surface and the second distance detection surface are disposed adjacent to each other in a rotation direction of the rotary member, a radial distance between the first distance detection surface and the rotation center axis is a first radial distance, projected on any plane perpendicular to the rotation center axis, a radial distance between the second distance detection surface and the rotation center axis is a second radial distance, the first radial distance is not equal to the second radial distance, and the fixed base is provided with a non-contact ranging component for acquiring the first radial distance and the second radial distance.

Preferably, a plurality of the first distance detection surfaces and a plurality of the second distance detection surfaces are provided, respectively, and the plurality of the first distance detection surfaces and the plurality of the second distance detection surfaces are alternately provided adjacent to each other in a rotation direction of the rotating member.

Preferably, the plurality of first distance detection surfaces are located on a first circle concentric with the detection accommodating cavity, the plurality of second distance detection surfaces are located on a second circle concentric with the detection accommodating cavity, and a radius of the first circle is larger than a radius of the second circle.

Preferably, each of the second distance detection faces has an arc length greater than an arc length of the first distance detection face.

Preferably, the second distance detection surface has an inclined surface extending toward the side of the central axis, the inclined surface increasing in radial distance from the central axis along the first rotation direction of the rotating member.

Preferably, in projection on any one of the radial planes, a side of the inclined plane facing the central axis is a straight line.

Preferably, the knob assembly further comprises a control part for receiving the distance signal acquired by the non-contact distance measuring part and raising or lowering the device parameter when the first radial distance and the second radial distance are changed in the distance signal.

Preferably, when the second distance detection surface has the slope thereon, the second radial distance includes a lower end radial distance and an upper end radial distance, and the control means is further configured to raise or lower the device parameter when a first radial distance replacement from the lower end radial distance or a first radial distance replacement from the upper end radial distance occurs in the distance signal.

Preferably, the control component is further configured to determine an adjustment direction of the device parameter according to a variation trend of the second radial distance.

Preferably, the judging the adjustment direction of the device parameter according to the variation trend of the second radial distance includes:

when the second radial distance is gradually increased, the adjustment direction of the equipment parameter is increased; alternatively, the adjustment direction of the device parameter is decreasing when the second radial distance is decreasing.

The utility model also provides an equipment, including foretell knob subassembly.

Preferably, the apparatus is one of an air conditioner, a washing machine, a refrigerator, and a dehumidifier.

The utility model also provides an equipment parameter adjustment method, equipment has foretell knob subassembly, including following step:

acquiring a first radial distance and a second radial distance;

raising or lowering a device parameter of the device when a change occurs between the first radial distance and the second radial distance.

Preferably, when the second distance detection surface has the slope, the second radial distance includes a lower end radial distance and an upper end radial distance, and further includes:

increasing or decreasing a device parameter when a first radial distance alternates with the lower-end radial distance or a first radial distance alternates with the upper-end radial distance in the distance signal.

Preferably, the method further comprises the following steps: and judging the adjustment direction of the equipment parameters according to the variation trend of the second radial distance.

The utility model provides a pair of knob subassembly and have its equipment, rotating assembly passes through non-contact range finding part acquires first radial distance and second radial distance, need not the contact among the prior art and realizes triggering the adjustment of equipment parameter, and mechanical wear is little, and subassembly life is longer, can adopt simultaneously the technical scheme of acquireing first radial distance and second radial distance, and then utilize changing of two distances to switch over and realize triggering the adjustment of equipment parameter, break through the restriction of mechanical type knob subassembly on physical structure, equipment parameter adjustment range is bigger.

Drawings

Fig. 1 is a schematic view (radial plane section) of an internal structure of a knob assembly according to an embodiment of the present invention;

fig. 2 is a schematic view (a radial plane section) of the internal structure of a knob assembly according to another embodiment of the present invention, showing a non-contact distance measuring part in a state of acquiring a first radial distance Da;

fig. 3 is a schematic view (radial plane section) of the internal structure of the knob assembly according to another embodiment of the present invention, showing the non-contact distance measuring unit in a state of acquiring the second radial distance Db.

The reference numerals are represented as:

1. a rotating member; 11. a first distance detection surface; 12. a second distance detection surface; 13. detecting the accommodating cavity; 14. a bevel; 2. a non-contact distance measuring part; 3. and fixing the base.

Detailed Description

Referring to fig. 1 to 3 in combination, according to an embodiment of the present invention, there is provided a knob assembly, including a fixed base 3 and a rotating member 1 rotatably connected thereto, the rotating member 1 has a rotation center axis, a detection accommodating cavity 13 is configured in the rotating member 1, a first distance detection surface 11 and a second distance detection surface 12 are provided on a cavity wall of the detection accommodating cavity 13, the first distance detection surface 11 and the second distance detection surface 12 are adjacently disposed along a rotation direction of the rotating member 1, and are projected on any plane perpendicular to the rotation center axis, a radial distance between the first distance detection surface 11 and the rotation center axis is a first radial distance, a radial distance between the second distance detection surface 12 and the rotation center axis is a second radial distance, and the first radial distance and the second radial distance are different, and the fixed base 3 is provided with a non-contact ranging component 2 for acquiring the first radial distance and the second radial distance. In the technical scheme, the rotating component acquires the first radial distance and the second radial distance through the non-contact distance measuring part 2, the adjustment triggering of equipment parameters is realized without contact in the prior art, the mechanical wear is small, the service life of the component is longer, meanwhile, the first radial distance and the second radial distance acquired by the technical scheme of the utility model can be adopted, the adjustment triggering of the equipment parameters is realized by utilizing the replacement switching of the two distances, the limitation of the mechanical knob component on the physical structure is broken through, the adjustment range of the equipment parameters is larger, for example, the first distance detection surface 11 and the second distance detection surface 12 can be respectively arranged, the rotating component 1 of the utility model can be reciprocated left and right in the adjustment direction as shown in figure 1, so that the replacement of the first radial distance and the second radial distance has no upper limit accumulation increase or accumulation reduction, thereby realizing the large-range adjustment of the equipment parameters. The non-contact distance measuring component 2 can specifically adopt an infrared distance measuring sensor, an ultrasonic sensor, a laser distance measuring sensor and the like.

In some embodiments, the first distance detection surfaces 11 and the second distance detection surfaces 12 are respectively disposed in plural numbers, and the plural first distance detection surfaces 11 and the plural second distance detection surfaces 12 are disposed adjacently and alternately along the rotation direction of the rotating member 1, and it should be noted that in this technical solution, the radial distances between the plural first distance detection surfaces 11 and the rotation central axis may be different or the same, that is, the first radial distances may be the same or different, and the radial distances between the plural second distance detection surfaces 12 and the rotation central axis may also be different or the same, that is, the second radial distances may be the same or different. Preferably, the first distance detection surfaces 11 and the second distance detection surfaces 12 are alternately arranged on the inner circumferential wall of the detection accommodating cavity 1, and at this time, parameter adjustment (up to a predetermined trend, such as raising or lowering) can be realized by rotating the rotating member 1 for a whole circle, or parameter adjustment can be performed by rotating the rotating member for multiple circles (of course, the adjustment will be limited by the performance of the device itself), without setting corresponding adjustment gears, or without rotating and screwing the rotating member back and forth, so that the operability of parameter adjustment is stronger.

Preferably, the plurality of first distance detection surfaces 11 are on a first circle concentric with the detection accommodating chamber 13, the plurality of second distance detection surfaces 12 are on a second circle concentric with the detection accommodating chamber 13, the radius of the first circle is larger than that of the second circle, and at this time, the plurality of first radial distances are equal to each other and the plurality of second radial distances are also equal to each other.

In some embodiments, the arc length of each second distance detection surface 12 is greater than the arc length of the first distance detection surface 11, and the specific arc length is selected according to the size of the rotating member 1 and the sampling period of the non-contact distance measurement component 2, so as to ensure that the sensitivity of the rotating assembly to the adjustment of the device parameters is more reasonable.

In some embodiments, the second distance detection surface 12 has an inclined surface 14 extending toward one side of the central axis, the inclined surface 14 increases in radial distance from the central axis along a first rotation direction of the rotating member 1, that is, the inclined surface 14 becomes a detection surface of the non-contact distance measurement component 2, that is, the second distance detection surface 12, the first rotation direction may be, for example, clockwise or counterclockwise, by the design of the structure, the rotation direction of the rotating member 1 can be specified to further specify the adjustment intention of the device parameter by the user, for example, when the user rotates the rotating member 1 along the first rotation direction, the non-contact distance measurement component 2 will detect a plurality of second radial distances about the inclined surface 14, and the second radial distances will include at least a low-end radial distance and a high-end radial distance, and the adjustment intention of the user can be judged through the time sequence relationship between the low-end radial distance and the high-end radial distance, specifically, for example, the high-end radial distance indicates that the user intends to increase the device parameter after the low-end radial distance, and conversely, the low-end radial distance indicates that the user intends to decrease the device parameter after the high-end radial distance. And can understand, can certainly realize through the mode that sets up corresponding select switch alone to the judgement of user's intention, and the utility model discloses an aforementioned design then can simplify the structure, reduce design cost to a non-contact range finding part 2 can realize judging user's adjustment intention when acquireing the distance.

In some embodiments, the side of the inclined plane 14 facing the central axis is a straight line projected on any radial plane, that is, the inclined plane 14 is an inclined plane, which can facilitate the processing of the structure.

In some embodiments, the knob assembly further includes a control component, which may be integrated with the fixed base 3, or may be separately disposed at a suitable position of the device, for receiving the distance signal acquired by the non-contact distance measuring component 2, and calculating to raise or lower the device parameter when the first radial distance and the second radial distance are changed in the distance signal, and the control component is, for example, an MCU. It may be designed to trigger the equipment parameter to increase or decrease by a set step threshold when the first radial distance and the second radial distance are defined to be changed, for example, when the equipment is an air conditioner or a refrigerator, the equipment parameter may be a set refrigeration temperature, and at this time, it may be defined that each change of the distance is corresponding to an increase or decrease of 1 ℃; for another example, when the apparatus is a washing machine, the apparatus parameter may be a set rotation speed of the drum, and at this time, it may be defined that each time the distance is changed, the speed is increased or decreased by 500 rpm; for another example, when the device is a dehumidifier, the device parameter may be a set rotation speed of the fan, and at this time, it may be defined that each time the distance is changed, the speed is increased or decreased by 100 rpm.

When the second distance detection surface 12 has the inclined surface 14, the second radial distance includes a lower radial distance and a higher radial distance, and the control component is further configured to raise or lower an equipment parameter, that is, an adjustment of the equipment parameter is triggered by a junction between the first distance detection surface 11 and the second distance detection surface 12 when a first radial distance and the lower radial distance are changed or a first radial distance and the higher radial distance are changed in the distance signal, so that the number of parameter adjustment steps for each trigger can be set to be smaller and the adjustment can be more accurate.

As mentioned above, the control component is further configured to determine the adjustment direction of the device parameter according to the variation trend of the second radial distance, specifically, when the second radial distance is gradually increased, the adjustment direction of the device parameter is increased; alternatively, the adjustment direction of the device parameter is decreasing when the second radial distance is decreasing.

According to the utility model discloses an embodiment still provides an equipment, including foretell knob subassembly, equipment for example can be in air conditioner, washing machine, refrigerator, the dehumidifier one.

According to the utility model discloses an embodiment still provides an equipment parameter adjustment method, equipment has foretell knob subassembly, includes following step:

acquiring a first radial distance and a second radial distance;

raising or lowering a device parameter of the device when a change occurs between the first radial distance and the second radial distance.

Among this technical scheme, rotating assembly passes through non-contact range finding part 2 acquires first radial distance and second radial distance, need not the contact among the prior art and realizes triggering the adjustment of equipment parameter, and mechanical wear is little, and subassembly life is longer, can adopt simultaneously the technical scheme of the utility model acquisition first radial distance and second radial distance, and then utilize the change of two distances to switch the adjustment that realizes equipment parameter and trigger, break through the restriction of mechanical knob subassembly on the physical structure, equipment parameter adjustment range is bigger.

Preferably, when the inclined surface 14 is provided on the second distance detection surface 12, the second radial distance includes a lower end radial distance and an upper end radial distance, and further includes: increasing or decreasing a device parameter when a first radial distance alternates with the lower-end radial distance or a first radial distance alternates with the upper-end radial distance in the distance signal. That is, the adjustment of the device parameters is triggered by the joint of the first distance detection surface 11 and the second distance detection surface 12, so that the number of parameter adjustment steps triggered each time can be set to be smaller, and the adjustment is more accurate.

Preferably, the method further comprises the following steps: and judging the adjustment direction of the equipment parameters according to the variation trend of the second radial distance.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (12)

1. A knob component comprises a fixed base (3) and a rotating member (1) rotatably connected with the fixed base, wherein the rotating member (1) is provided with a rotating central shaft, the knob component is characterized in that a detection accommodating cavity (13) is constructed in the rotating member (1), the wall of the detection accommodating cavity (13) is provided with a first distance detection surface (11) and a second distance detection surface (12), the first distance detection surface (11) and the second distance detection surface (12) are adjacently arranged along the rotating direction of the rotating member (1) and are projected on any plane perpendicular to the rotating central shaft, the radial distance between the first distance detection surface (11) and the rotating central shaft is a first radial distance, the radial distance between the second distance detection surface (12) and the rotating central shaft is a second radial distance, and the first radial distance and the second radial distance are not equal, and a non-contact distance measuring component (2) is arranged on the fixed base (3) and is used for acquiring the first radial distance and the second radial distance.

2. The knob assembly according to claim 1, wherein a plurality of the first distance detection surfaces (11) and a plurality of the second distance detection surfaces (12) are provided, respectively, and a plurality of the first distance detection surfaces (11) and a plurality of the second distance detection surfaces (12) are alternately provided adjacent to each other in a rotation direction of the rotary member (1).

3. The knob assembly according to claim 2, wherein a plurality of said first distance detection surfaces (11) are on a first circle concentric with said detection housing cavity (13) and a plurality of said second distance detection surfaces (12) are on a second circle concentric with said detection housing cavity (13), said first circle having a larger radius than said second circle.

4. A knob assembly according to claim 3, wherein each of said second distance detection surfaces (12) has an arc length larger than that of said first distance detection surface (11).

5. The knob assembly according to claim 1, wherein the second distance detection surface (12) has a slope (14) extending toward one side of the central axis, the slope (14) increasing in radial distance from the central axis along the first rotation direction of the rotary member (1).

6. The knob assembly according to claim 5, wherein the side of the inclined surface (14) facing the central axis is straight, projected on any radial plane.

7. The knob assembly according to any one of claims 1 to 6, further comprising a control means for receiving the distance signal acquired by the non-contact distance measuring means (2) and raising or lowering a device parameter when a first radial distance and a second radial distance change occurs in the distance signal.

8. The knob assembly according to claim 7, wherein when the second distance detection surface (12) has a sloped surface (14) thereon, the second radial distance includes a low end radial distance and a high end radial distance, the control means is further adapted to raise or lower an equipment parameter when a first radial distance replacement from the low end radial distance or a first radial distance replacement from the high end radial distance occurs in the distance signal.

9. The knob assembly according to claim 8, wherein the control unit is further configured to determine the adjustment direction of the device parameter according to the variation trend of the second radial distance.

10. The knob assembly according to claim 9, wherein determining the adjustment direction of the device parameter according to the trend of the second radial distance comprises:

when the second radial distance is gradually increased, the adjustment direction of the equipment parameter is increased; alternatively, the adjustment direction of the device parameter is decreasing when the second radial distance is decreasing.

11. An apparatus comprising a knob assembly, wherein the knob assembly is as claimed in any one of claims 1 to 10.

12. The apparatus of claim 11, wherein the apparatus is one of an air conditioner, a washing machine, a refrigerator, a dehumidifier.

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