CN218273670U

CN218273670U - Head-mounted distance measurement prompting device for preventing myopia

Info

Publication number: CN218273670U
Application number: CN202220630573.2U
Authority: CN
Inventors: 阮晓燕; 王开发
Original assignee: Shanghai Cilu Medical Instrument Co ltd
Current assignee: Shanghai Cilu Medical Instrument Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2023-01-10
Anticipated expiration: 2032-03-21

Abstract

The utility model belongs to the technical field of wearable equipment technique and specifically relates to a myopia prevention's wear-type range finding suggestion device, including the support, be used for wearing the support in overhead elasticity tightening band, still include the box body, the pivot that box body both sides rigid coupling has the level to set up, the pivot is connected, just is equipped with locking mechanism between the two with the rotate bracket, install microcontroller, range finding sensor, alarm in the box body, laser diode is installed to the box body, laser diode's light emission end and range finding sensor's range finding probe are located the coplanar and the two is close to the setting, the electricity is connected with the electric switch between laser diode and the battery. This device is worn on the forehead, and for the spectacle-frame, the person of wearing is more comfortable to judge through a simple laser diode whether range finding sensor's range finding position is put right, the person of being convenient for of wearing is in fact productive and is used.

Description

Head-mounted distance measurement prompting device for preventing myopia

Technical Field

The utility model relates to a wearable equipment technical field especially relates to a head-mounted range finding suggestion device of prevention myopia.

Background

Myopia prevention measures in the market at present adopt physical support to block the body or adopt induction back bending mode for lateral prevention, and the distance between eyes and books is not quantized or the body flexibility is not influenced, so that the myopia prevention measures cannot be used to children, especially children are reluctant to use after the activities are limited, and effective prevention cannot be realized.

The existing myopia prevention methods comprise a method for supporting the lower jaw and limiting free movement, and the method can not limit whether the lower jaw is at the supporting part and influence free movement; in addition, the dorsal reckles prevent myopia from the side by improving the human body, and the mode does not accurately influence the vision distance.

The publication (announcement) No. CN105589220A discloses distance measuring glasses and a method for preventing myopia by using the distance measuring glasses, wherein the distance measuring glasses comprise a glasses frame, lenses and glasses legs, and further comprise a battery, a front distance measuring sensor, a single chip microcomputer, a light driving circuit, an LED lamp and a switch key; the battery supplies power to the singlechip; the prepositive distance measuring sensor, the light driving circuit and the switch key are electrically connected with the single chip microcomputer, and the LED lamp is electrically connected with the light driving circuit; the front distance measuring sensor detects the distance between the distance measuring glasses and the object in front and transmits the detected data to the single chip microcomputer; the singlechip compares the detected data with a preset distance threshold and controls the light driving circuit to work; the switch key controls the startup and shutdown of the singlechip.

The device is of a glasses type structure, on one hand, the device is inconvenient for people who are not near, on the other hand, various components need to be integrated on the glasses, the weight is heavy, the position of the nose bridge needs to bear great pressure, and the device is uncomfortable to wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the myopia prevention equipment of glasses formula structure among the prior art, on the one hand to using very inconveniently to the people of myopia not, on the other hand, because need various components and parts of integration on the glasses, weight ratio is heavier, the bridge of the nose position need bear very big pressure, wear very uncomfortable to and to traditional myopia prevention equipment, the user is difficult to judge the problem whether range finding position of range finding sensor is ajusted, and the myopia prevention wear-type range finding suggestion device that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a myopia-preventing head-mounted distance measurement prompting device, includes the support, is used for wearing the support in overhead elastic tightening belt, still includes the box body, box body both sides rigid coupling has the pivot that the level set up, pivot and rotate bracket connection, and be equipped with locking mechanism between the two, install microcontroller, range finding sensor, alarm in the box body, range finding sensor and alarm are connected with the microcontroller electricity, the microcontroller electricity is connected with the battery, laser diode is installed to the box body, laser diode's light emission end and range finding sensor's range finding probe are located the coplanar and the two is close to the setting, the electricity is connected with the electric switch between laser diode and the battery.

The locking mechanism comprises a pressing bolt in threaded connection with the support, the axis of the pressing bolt is perpendicular to the axis of the rotating shaft, and when locking is needed, the bottom end of the pressing bolt is tightly pressed on the outer circumferential surface of the rotating shaft.

And a hand rotating head is coaxially and fixedly connected to the rotating shaft.

The hand turning head and the pressing bolt are respectively arranged on two sides of the box body.

Microcontroller is connected with anodal wire, negative pole wire, each fixed mounting in support both sides has an elasticity tightening belt, elasticity tightening belt inside has the wire through passage, and elasticity tightening belt free end fixed mounting has the battery case and anodal wire and the anodal intercommunication of battery case, battery case negative pole fixed mounting has first negative pole contact, and another elasticity tightening belt free end fixed mounting has the dop, second negative pole contact is installed to the dop, second negative pole contact is connected with the negative pole wire electricity, the dop inserts the battery case is fixed on the battery case through the fixture block, just first negative pole contact with second negative pole contact electric conductance is led to.

The forehead protection cotton is fixedly arranged at the position, close to the forehead, of the support.

The utility model provides a pair of myopia-preventing head-mounted distance measurement prompting device, beneficial effect lies in: this device is worn on the forehead, and for the spectacle-frame, the person of wearing is more comfortable to judge through a simple laser diode whether range finding sensor's range finding position is ajusted, the person's of being convenient for of wearing is just producing and is used.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a third schematic structural diagram of the present invention.

In the figure: the device comprises a compression bolt 1, a box body 2, an electric switch 3, a support 4, a hand rotary head 5, forehead protecting cotton 6, an elastic tightening belt 7, a clamping head 8, a clamping block 9, a battery box 10, a laser diode 11, a distance measuring sensor 12 and a rotating shaft 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a myopia prevention head-wearing distance measurement prompting device, including a support 4, an elastic tightening belt 7 for wearing the support on the head, the elastic tightening belt 7 can select a tightening belt with adjustable length, the myopia prevention head-wearing distance measurement prompting device also includes a box body 2, two sides of the box body 2 are fixedly connected with horizontally arranged rotating shafts 13, the rotating shafts 13 are rotatably connected with the support 4, and a locking mechanism is arranged between the rotating shafts and the support, a microcontroller, a distance measurement sensor 12 and an alarm are installed in the box body 2, the alarm can give a buzzer alarm and/or a vibration alarm, the distance measurement sensor 12 and the alarm are electrically connected with the microcontroller, the microcontroller is electrically connected with a battery, the battery can be a rechargeable battery, a charging interface is arranged on the box body, the box body 2 is provided with a laser diode 11, which is similar to a laser pen and can emit a beam of light, the light forms a light spot after encountering an obstacle, a light emitting end of the laser diode 11 and a distance measurement probe of the distance measurement sensor 12 are positioned on the same plane and close to the battery, the light emitting end and the distance measurement probe are arranged close to the laser diode 11, an electric switch 3 is electrically connected with the laser diode 11, and the laser diode 11 can be switched on or switched on the laser switch independently.

When the device is used, the support 4 is worn at the forehead position on the head, then the electric switch 3 is turned on to enable the laser diode 11 to emit a beam of light, the box body 2 is rotated, the position of the light spot is enabled to coincide with the direct-view position when eyes read a book, then the relative position of the box body 2 and the support 4 is fixed through the locking mechanism, whether the ranging position of the ranging sensor is rightly determined through the light emitted by the laser diode 11, the laser diode 11 can be turned off after adjustment is completed, the data detected by the ranging sensor in real time is transmitted to the microcontroller, when the distance between the eyes and the book is close, namely the distance between the ranging sensor and the book exceeds a set value, the microcontroller sends a signal to the alarm, the alarm gives an alarm, the device is worn on the forehead, and is more comfortable for a glasses frame, and whether the ranging position of the ranging sensor is rightly determined through the simple laser diode 11, and the device is convenient for the wearer to use in normal labor.

Wherein the microcontroller may be of the type MSP430G2553, having a powerful 16-bit RISCCPU, 16-bit registers and constant number generator to help achieve maximum coding efficiency, a Digitally Controlled Oscillator (DCO) to wake-up from low power mode to run mode in less than 1S, and an ultra-low power mixed signal microcontroller with built-in 16-bit timer, up to 24I/O pins to support touch sensing, a multi-purpose analog comparator, and built-in communication capability using a universal serial communication interface, typical applications including low cost sensor systems; wherein range finding sensor radar range finding sensor, infrared range finding sensor or laser ranging sensor or choose for use TF-LUNA8m low-cost laser rangefinder module, 701230 polymer lithium electron can be selected to the battery, reduces the manufacturing cost of product, deserves to explain, other electronic components that can realize above-mentioned function of this device among the prior art can also be selected for use to above-mentioned components and parts.

Referring to fig. 2, the locking mechanism includes a pressing bolt 1 in threaded connection with the bracket 4, an axis of the pressing bolt 1 is perpendicular to an axis of the rotating shaft 13, when locking is required, a bottom end of the pressing bolt 1 is pressed against an outer circumferential surface of the rotating shaft 13, and the rotating shaft 13 is locked by rotating the pressing bolt 1.

In order to rotate the rotating shaft conveniently, a hand rotating head 5 is coaxially and fixedly connected to the rotating shaft 13.

Preferably, the hand-turning head 5 and the pressing bolt 1 are respectively arranged on two sides of the box body 2, so that the pressing bolt 1 can be adjusted by one hand, the hand-turning head 5 can be adjusted by one hand, and the angle of the box body 2 can be adjusted by matching of two hands.

Referring to fig. 1, the microcontroller is connected with a positive electrode wire and a negative electrode wire, two sides of the bracket 4 are respectively and fixedly provided with an elastic tightening belt 7, the elastic tightening belt 7 is internally provided with a wire through passage, a free end of the elastic tightening belt 7 is fixedly provided with a battery box 10, the positive electrode wire is communicated with the positive electrode of the battery box 10, the negative electrode of the battery box 10 is fixedly provided with a first negative electrode contact, the free end of the other elastic tightening belt 7 is fixedly provided with a chuck 8, the chuck 8 is provided with a second negative electrode contact, the second negative electrode contact is electrically connected with the negative electrode wire, the chuck 8 is inserted into the battery box 10 and is fixed on the battery box 10 through a fixture block 9, the first negative electrode contact is electrically connected with the second negative electrode contact through the chuck 8 on the battery box 10, the whole device is electrically connected, and when the device is not used, the chuck 8 is separated from the battery box 10, and more safety and power saving are realized.

Furthermore, a forehead protection cotton 6 is fixedly arranged at the position, close to the forehead, of the support 4.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited to this, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a myopia-preventing head-mounted distance measuring prompting device, includes support (4), is used for wearing overhead elastic tightening belt (7) with the support, its characterized in that still includes box body (2), box body (2) both sides rigid coupling has pivot (13) that the level set up, pivot (13) rotate with support (4) and be connected, and be equipped with locking mechanism between the two, install microcontroller, range finding sensor (12), alarm in box body (2), range finding sensor (12) and alarm are connected with the microcontroller electricity, the microcontroller electricity is connected with the battery, laser diode (11) are installed in box body (2), the light emission end of laser diode (11) and the range finding probe of range finding sensor (12) are located the coplanar and the two is close to the setting, electricity is connected with electric switch (3) between laser diode (11) and the battery.

2. The head-mounted distance measuring and prompting device for preventing myopia according to claim 1, wherein the locking mechanism comprises a pressing bolt (1) in threaded connection with the support (4), an axis of the pressing bolt (1) is perpendicular to an axis of the rotating shaft (13), and when locking is required, the bottom end of the pressing bolt (1) is tightly pressed on the outer circumferential surface of the rotating shaft (13).

3. The head-mounted distance measuring and prompting device for preventing myopia according to claim 2, wherein a hand-rotating head (5) is coaxially and fixedly connected to the rotating shaft (13).

4. The head-wearing type distance measuring and prompting device for preventing myopia according to claim 3, wherein the hand-turning head (5) and the pressing bolt (1) are respectively arranged on two sides of the box body (2).

5. The head-mounted distance measuring and prompting device for preventing myopia according to claim 1, wherein the microcontroller is connected with a positive electrode wire and a negative electrode wire, an elastic tightening belt (7) is fixedly mounted on each of two sides of the support (4), a wire penetrating channel is arranged inside the elastic tightening belt (7), a battery box (10) is fixedly mounted on a free end of the elastic tightening belt (7), the positive electrode wire is communicated with a positive electrode of the battery box (10), a first negative electrode contact is fixedly mounted on a negative electrode of the battery box (10), a clamping head (8) is fixedly mounted on a free end of the other elastic tightening belt (7), a second negative electrode contact is mounted on the clamping head (8), the second negative electrode contact is electrically connected with the negative electrode wire, the clamping head (8) is inserted into the battery box (10) and is fixed on the battery box (10) through a clamping block (9), and the first negative electrode contact is electrically communicated with the second negative electrode contact.

6. The head-wearing type distance measuring and prompting device for preventing myopia according to claim 1, wherein a forehead protection cotton (6) is fixedly installed at a position, close to the forehead, of the support (4).