CN220856409U

CN220856409U - Non-contact knob switch and fascia gun

Info

Publication number: CN220856409U
Application number: CN202322331484.5U
Authority: CN
Inventors: 付腾飞; 汪洋; 汪训利; 熊鸿强; 孟刚; 包敏艳
Original assignee: Zhuhai Yunmai Technology Co ltd
Current assignee: Zhuhai Yunmai Technology Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-26
Anticipated expiration: 2033-08-29

Abstract

The utility model discloses a non-contact knob switch and a fascia gun, wherein the switch comprises a sensor assembly and a knob, the sensor assembly is connected with an external circuit, and the sensor assembly comprises a first sensor and a second sensor; the knob can rotate relative to the sensor assembly, and a plurality of trigger parts are arranged on the knob; the first sensor and the second sensor are arranged in parallel along the rotation direction of the triggering part, and the triggering part synchronously rotates along with the knob and is used for triggering the first sensor and the second sensor.

Description

Non-contact knob switch and fascia gun

Technical Field

The utility model relates to the field of fascia guns, in particular to a non-contact knob switch and a fascia gun.

Background

Along with the wide application of healthy sports products of the fascia gun and the popularization of motor speed regulation scenes, the requirements of people on multi-gear regulation of the fascia gun are stronger, and in the follow-up fascia gun development process, the requirements of different people are met by rapidly regulating the rotation speed of the motor through multiple gears.

The existing fascia gun technical scheme generally adopts mechanical key pressing contact and rotary adjustment, but the adjustment is realized by contact points, and the contact points can be aged and worn after the service time, so that the gear adjustment is insensitive and even the risk of damage is reduced. And the timeliness of button regulating motor rotational speed is poor, and the regulation speed of multispeed is slow, and the button contact point is ageing very easily, wearing and tearing, makes the regulation gear insensitive, damages the risk.

Disclosure of Invention

The utility model aims to provide a non-contact knob switch and a fascia gun, which avoid the problems caused by aging and abrasion of contact points through an adjusting switch without contact points.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

A non-contact knob switch, comprising a sensor assembly and a knob, wherein the sensor assembly is connected with an external circuit and comprises a first sensor and a second sensor;

The knob can rotate relative to the sensor assembly, and a plurality of trigger parts are arranged on the knob;

the first sensor and the second sensor are arranged in parallel along the rotation direction of the triggering part, and the triggering part synchronously rotates along with the knob and is used for triggering the first sensor and the second sensor.

Further, the distance between the first sensor and the second sensor is smaller than the width of the triggering part.

Further, the gap width between the triggering parts is larger than the distance between the first sensor and the second sensor.

Further, the first sensor and the second sensor are photoelectric sensors, and the triggering part is a stop block.

Further, the sensor assembly is provided with a chute for the passage of the stop block, one side of the chute is provided with a light source, and the other side of the chute is provided with photosensitive elements of the first sensor and the second sensor.

A fascia gun comprising the non-contact knob switch.

Compared with the prior art, the technical scheme provided by the utility model has the following advantages:

1. The switch has the advantages that the switch has no contact point, adopts a non-contact design, avoids the problems of aging and abrasion of the contact point in the traditional key-type regulating switch, has no contact point, and can obviously improve the service life and the reliability of the switch.

2. The speed of the motor is regulated rapidly, a plurality of triggering parts on the knob can realize rapid regulation of multiple gears, and a user can flexibly select a proper rotating speed gear according to own needs so as to adapt to different body needs and movement requirements.

3. The sensitivity is high, and first sensor and the second sensor in the sensor assembly are arranged in parallel along the rotation direction of the knob, and the trigger part rotates synchronously with the knob. This design can increase the sensitivity of the adjustment gear so that the user can more accurately select the desired rotational speed gear.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The present utility model will be described in detail below with reference to the attached drawings, so that the above advantages of the present utility model will be more apparent.

FIG. 1 is a schematic diagram of a sensor assembly of a non-contact rotary switch of the present utility model;

FIG. 2 is a block diagram of a sensor assembly of a non-contact rotary switch according to the present utility model;

FIG. 3 is a schematic diagram of a non-contact rotary switch according to the present utility model;

FIG. 4 is an exploded view of a non-contact rotary switch according to the present utility model;

FIG. 5 is a circuit diagram of a non-contact rotary switch of the present utility model;

fig. 6 is a schematic diagram of a non-contact rotary switch according to the present utility model.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 4, a non-contact knob 200 switch includes a sensor assembly 100 and a knob 200, the sensor assembly 100 is connected with an external circuit, and the sensor assembly 100 includes a first sensor 110 and a second sensor 120;

the knob 200 can rotate relative to the sensor assembly 100, and a plurality of triggering parts are arranged on the knob 200;

the first sensor 110 and the second sensor 120 are arranged in parallel along the rotation direction of the triggering part, and the triggering part rotates synchronously with the knob 200 to trigger the first sensor 110 and the second sensor 120.

The user adjusts the gear by rotating the knob 200. The knob 200 is provided with a plurality of trigger parts, and the trigger parts synchronously rotate along with the rotation of the knob 200. The triggering portion corresponds to the first sensor 110 and the second sensor 120, and the triggering portion triggers the corresponding sensors according to the position of the knob 200.

The sensor assembly 100 is composed of a first sensor 110 and a second sensor 120, which are juxtaposed along the rotation direction of the knob 200. The triggering part rotates synchronously with the knob 200 and is used for triggering the first sensor 110 and the second sensor 120. The first sensor 110 and the second sensor 120 may employ different non-contact sensor technologies, such as photoelectric sensors, magnetic sensors. The specific sensor type depends on the design requirements. When the knob 200 is rotated, the triggering portion triggers the first sensor 110 and the second sensor 120. The sensor will generate a corresponding signal output. These signals are transmitted to the main control MCU through the sensor assembly 100 connected to an external circuit. And e, the main control MCU judges the rotation direction of the knob 200 according to the received sensor signal. According to different signal combinations, the main control MCU can determine the increase or decrease of the adjusting gear or other operation intentions. And the main control MCU controls the corresponding motor rotation speed or other related operations according to the judgment result, so as to realize the adjustment of the motor.

In this embodiment, the distance between the first sensor 110 and the second sensor 120 is smaller than the width of the trigger portion. The purpose of this design is to improve the accuracy of the determination of the steering of the knob 200, so that the triggering portion can trigger both the first sensor 110 and the second sensor 120. It is ensured that the sensor is able to accurately detect a corresponding signal change when the trigger passes the sensor. If the width of the triggering portion is too small, the triggering portion may not trigger both sensors at the same time when passing the sensors. This may result in an inability to accurately judge the steering of the knob 200. Particularly, in the case where the rotation speed of the knob 200 is high or the width of the trigger portion is small, the judgment accuracy may be lowered.

In this embodiment, the gap width between the triggering portions is larger than the distance between the first sensor 110 and the second sensor 120. The gap width of the trigger part is larger than the sensor spacing, so that the sensor can accurately detect signal change when the trigger part passes. This allows the position of the trigger to be determined, thereby accurately judging the steering of the knob 200. By increasing the gap width between the trigger parts, false judgment of the sensor in the transition area between the trigger parts can be avoided. If the gap width between the trigger portions is smaller than the sensor pitch, an undefined signal change may be generated in the transition region by the sensor, thereby affecting the accuracy of determining the steering direction of the knob 200.

In this embodiment, the first sensor 110 and the second sensor 120 are photoelectric sensors, and the triggering portion is a stop 210. Non-contact operation can be achieved using a photosensor and stop 210 design. By rotating knob 200, stop 210 is caused to pass through the detection area of the photosensor, thereby effecting gear adjustment. The photosensor can provide a high-precision detection capability. The stopper 210 serves as a trigger unit, and by shielding or transmitting the detection area of the photoelectric sensor, accurate determination of the position of the knob 200 is achieved. This ensures the steering and gear adjustment accuracy of the knob 200.

The photosensor can provide higher accuracy and sensitivity relative to the magnetic sensor. By detecting the change of the light intensity by the photosensitive element, accurate judgment of the position of the knob 200 can be realized. The photosensitive element is very sensitive to changes in light and can produce a reliable signal with very small changes in light intensity. In contrast, magnetic sensors are generally relatively sensitive to changes in magnetic fields, but may be subject to interference or error in certain situations, such as weak magnetic field strength or unstable positions of magnetic objects.

In this embodiment, the sensor assembly 100 is provided with a chute 130 through which the stop block 210 passes, one side of the chute 130 is provided with a light source 140, and the other side of the chute 130 is provided with photosensitive elements of the first sensor 110 and the second sensor 120. The first sensor 110 and the second sensor 120 detect the intensity change of the light by the photosensitive element. When the stopper 210 passes through the chute 130, it blocks or transmits light on the chute 130, resulting in a change in the intensity of light received by the photosensitive element.

The intensity of the light received by the sensor element varies to produce a corresponding electrical signal. These signals are connected to external circuits through the sensor assembly 100 and transmitted to the main control MCU. The control MCU judges the position and the rotation direction of the knob 200 according to the received change of the photosensitive element signal. By detecting the blocking or light transmission of the stopper 210, the main control MCU can determine the turning direction of the knob 200, thereby realizing accurate gear adjustment.

As shown in fig. 5-6, a fascia gun includes the non-contact knob 200 switch described above. When the KEY is used, the knob 200 is rotated leftwards, the stop block 210 shields the first sensor 110 of the sensor assembly 100, so that the MOS is turned on and off when the MOS receiver in the sensor cannot receive red light, the KEY_1 signal is changed in level, and the main control MCU detects that the signal is in a down shift when the signal is in a bottom level.

The knob 200 is rotated rightward, the stop block 210 firstly shields the second sensor assembly 100 from receiving infrared light, so that the MOS is turned on and off when the sensor internal MOS is not receiving the infrared light, and the KEY_2 signal is changed in level, and when the main control MCU firstly detects that the signal is at the bottom level, the main control MCU is shifted up.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A non-contact knob (200) switch, comprising a sensor assembly (100) and a knob (200), the sensor assembly (100) being connected to an external circuit, the sensor assembly (100) comprising a first sensor (110) and a second sensor (120);

The knob (200) can rotate relative to the sensor assembly (100), and a plurality of trigger parts are arranged on the knob (200);

The first sensor (110) and the second sensor (120) are arranged in parallel along the rotation direction of the triggering part, and the triggering part synchronously rotates along with the knob (200) and is used for triggering the first sensor (110) and the second sensor (120).

2. The non-contact knob (200) switch of claim 1, wherein a spacing of said first sensor (110) and said second sensor (120) is less than a width of the trigger portion.

3. The non-contact knob (200) switch of claim 2 wherein a gap width between said trigger portions is greater than a spacing of the first sensor (110) and the second sensor (120).

4. The non-contact knob (200) switch of claim 1, wherein said first sensor (110) and second sensor (120) are photosensors and said trigger is a stop (210).

5. The non-contact knob (200) switch of claim 4, wherein said sensor assembly (100) is provided with a chute (130) for passage of a stopper (210), one side of said chute (130) is provided with a light source (140), and the other side of said chute (130) is provided with a photosensitive element of a first sensor (110) and a second sensor (120).

6. A fascia gun comprising the non-contact knob (200) switch of claims 1-5.