WO2019104506A1

WO2019104506A1 - Oscillator structure for bone-conduction prenatal education instrument

Info

Publication number: WO2019104506A1
Application number: PCT/CN2017/113464
Authority: WO
Inventors: 张小成
Original assignee: 苏州佑克骨传导科技有限公司
Priority date: 2017-11-28
Filing date: 2017-11-29
Publication date: 2019-06-06
Also published as: CN107945591A

Abstract

An oscillator structure (3) for a bone-conduction prenatal education instrument, comprising: a front cover (31), a rear cover (32) and an oscillator located between the front cover (31) and the rear cover (32); the rear cover (32) comprises a bottom plate (321) having several mounting holes all around and having a via hole in the middle for a wire to pass through, and comprises several parallel ribs (322) provided on the inner surface of the rear cover (32); and the top surfaces of all the ribs (322) are coplanar and parallel to the inner bottom surface of the front cover (31). The present oscillator structure (3) for a bone-conduction prenatal education instrument can provide a sound quality suitable for the frequency of prenatal education, and especially, a curve in the range of 300-500 Hz in a dBV-frequency curve is straight.

Description

Bone conduction presence instrument vibrator structure

Technical field

The present application relates to a bone conduction prescribing instrument vibrator structure, and belongs to the technical field of equipment for fetal detection.

Background technique

Conventional prenatal care devices usually output audio directly to the environment in which the pregnant woman is located through the speaker's speaker device to affect the fetus in the pregnant woman's abdomen. However, the magnetic field of the speaker device easily forms radiation to the fetus, causing adverse effects, so there is a safety hazard, and the sound transmitted through the air is greatly reduced, which can be limited by the fetus.

Application content

In order to overcome the above problems, the present application provides a bone conduction preceptor vibrator structure for improving fetal feeling.

The technical solution adopted by the present application to solve its technical problems is:

A bone conduction prenatal vibrator structure of the present application includes:

a front cover, a rear cover, and a vibrator between the front cover and the rear cover;

The back cover comprises a back cover bottom plate having a plurality of mounting holes around, a through hole through which the wire passes, and a plurality of parallel ribs disposed on the inner surface of the back cover, the top faces of all the ribs being coplanar and The inner bottom surface of the front cover is parallel.

Preferably, the bone conduction preceptor vibrator structure of the present application, the front cover includes an outer cylinder, an outwardly extending flange having a mounting hole disposed at the top of the outer cylinder, and an inner cylinder for receiving the vibrator, The inner cylinder and the outer cylinder share a bottom surface.

Preferably, in the bone conduction preceptor vibrator structure of the present application, the inner cylinder and the outer cylinder are connected by four connecting ribs.

Preferably, in the bone conduction preceptor vibrator structure of the present application, the connecting rib has a length of 3-4.5 mm, a thickness of 0.8-1.2 mm, and a thickness of the inner cylinder side wall of 0.8-1.2 mm.

Preferably, in the bone conduction preceptor vibrator structure of the present application, the back cover bottom plate and the central axis of the front cover have an angle of 20-40°.

Preferably, the bone conduction preceptor vibrator structure of the present application has a power button and a volume button on one side of the housing, and a USB interface and a memory card slot for charging and data transmission on the other side, which is worth accommodating The internal memory can also be built in the cavity, and the memory card and the internal memory are used for storing music for prenatal education, and are used for playing the bone conduction speaker.

The beneficial effects of the present application are: the bone conduction preceptor vibrator structure of the present application can provide a sound quality suitable for the frequency of the prenatal education, especially the curve in the range of 300-500 Hz in the dBV-frequency curve is relatively straight.

DRAWINGS

The present application is further described below in conjunction with the accompanying drawings and embodiments.

1 is a schematic structural view of a front end of a prenatal education apparatus of the present application;

2 is a schematic structural view of a front cover of a bone conduction preceptor vibrator structure of the present application;

3 is a schematic structural view of a back cover of a bone conduction preceptor vibrator structure of the present application;

The reference numerals are:

1-shell; 12-arc surface; 2- strap; 3-bone conduction pre-teacher vibrator structure; 31-front cover; 311-outer cylinder; 312-flange; 313-inner cylinder; Reinforcement; 32-back cover; 321 - back cover bottom plate; 322-rib rib; 4-ring buckle.

Detailed ways

The present application will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, and only the basic structure of the present application is illustrated in a schematic manner, and thus only the configurations related to the present application are shown.

Example

This embodiment provides a fetal teaching instrument, as shown in FIG. 1, comprising:

- The housing 1 is formed by the two sides being engaged with a receiving cavity therein, and one side of the housing 1 is a circular arc surface 12 (this surface is used for prenatal education), in order to better approximate the curvature of the abdomen arc of the pregnant woman 0.06-0.1, such as 0.06, 0.08, 0.1, preferably 0.08, two arc-conducting pre-arboring vibrator structures 3 are disposed on the arc surface, and the distance between the central axes of the two bone conduction pre-existing vibrator structures 3 is 12-18 cm, For example, 12 cm, 14 cm, 16 cm, 18 cm, etc., the bone conduction prescribing oscillator structure is composed of a front cover 31, a rear cover 32, and a vibrator located between the front cover 31 and the rear cover 32. The rear cover 32 includes a plurality of mounting holes and a middle portion. a rear cover bottom plate 321 having a through hole through which the wire passes, and a plurality of parallel ribs 322 disposed on the inner surface of the rear cover 32, the top faces of all of the convex ribs 322 being coplanar and parallel to the inner bottom surface of the front cover 31, The back cover bottom plate 321 has an angle of 20-40° between the central axis of the front cover 31; the front cover 31 includes an outer cylinder 311, and an outwardly extending flange 312 having a mounting hole disposed at the top of the outer cylinder 311 An inner cylinder 313 for accommodating the vibrator, the inner cylinder 313 and the outer cylinder 311 share a bottom surface, and the inner cylinder 313 The outer cylinders 311 are connected by four connecting ribs 314. The length of the connecting ribs 314 (equal to the inner wall of the inner cylinder 314 to the outer cylinder 311) is 3-4.5 mm and the thickness is 0.8-1.2 mm. The thickness of the side wall of the inner cylinder 314 is also 0.8-1.2 mm; the vibrator is fixed by the connecting rib 314 and the rib 322, so that the vibrator is subjected to one-dimensional vibration, and the sound quality for the frequency of the prenatal education is provided, especially in the dBV-frequency curve at 300. The curve in the range of -500 Hz is relatively straight;

One side of the housing 1 is provided with a power button and a volume button, and the other side is provided with a USB interface and a memory card slot for charging and data transmission. It is worth noting that the internal memory, the memory card and the internal memory can be built in the housing cavity. The internal memory can store music for prenatal education for playing on a bone conduction speaker;

- The straps 2 are respectively located on both sides of the housing 1, and the two straps 2 can be connected by a snap to fix the prescribing instrument to the user's abdomen. Preferably, the two sides of the casing 1 are provided with a buckle 4, the strap 2 passes through the buckle 4 and is fixed by a Velcro, and the strap 2 is conveniently removed from the buckle 4 by a Velcro. After the buckle 4 is set, the user can easily grasp the buckle 4 by hand, and then force the side of the fetal heart to the abdomen of the pregnant woman through the buckle 4.

The prenatal education instrument of the embodiment adopts a bone conduction speaker for prenatal education, and the unique vibration method of the bone conduction speaker enables the sound to be felt by the fetus through the skin, amniotic fluid and the like, thereby improving the effect of the prenatal education.

In the above, according to the ideal embodiment of the present application, the relevant staff can completely Various changes and modifications are made without departing from the technical idea of the application. The technical scope of the application is not limited to the contents of the specification, and the technical scope thereof must be determined according to the scope of the claims.

Claims

A bone conduction prescribing instrument vibrator structure, characterized in that:

a front cover (31), a rear cover (32), and a vibrator between the front cover (31) and the rear cover (32);

The back cover (32) includes a back cover bottom plate (321) having a plurality of mounting holes around, a through hole through which the wire passes, and a plurality of parallel ribs (322) disposed on the inner surface of the back cover (32). The top surfaces of all of the ribs (322) are coplanar and parallel to the inner bottom surface of the front cover (31).
The bone conduction preceptive vibrator structure according to claim 1, wherein the front cover (31) comprises an outer cylinder (311), and an outwardly extending mounting hole provided at the top of the outer cylinder (311) A flange (312) for accommodating the inner cylinder (313) of the vibrator, the inner cylinder (313) and the outer cylinder (311) sharing a bottom surface.
The bone conduction preceptor vibrator structure according to claim 2, wherein the inner cylinder (313) and the outer cylinder (311) are connected by four connecting ribs (314).
The bone conduction prescribing instrument vibrator structure according to claim 3, wherein the connecting rib (314) has a length of 3-4.5 mm, a thickness of 0.8-1.2 mm, and a thickness of the side wall of the inner cylinder (314). It is 0.8-1.2mm.
The bone conduction prescribing instrument vibrator structure according to any one of claims 1 to 4, characterized in that the rear cover bottom plate (321) has an angle of 20-40° between the central axis of the front cover (31).