CN212879355U

CN212879355U - Passive fetal heart detection device

Info

Publication number: CN212879355U
Application number: CN202020695307.9U
Authority: CN
Inventors: 马骥良; 周营; 施沈阳
Original assignee: Etantfuture Beijing Technology Co ltd
Current assignee: Etantfuture Beijing Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-04-06
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to the field of medical equipment, particularly, relate to a passive form child heart detection device. The passive fetal heart detection device comprises an outer shell and a host, wherein an open slot is formed in the shell and used as a sound cavity of the passive fetal heart detection device, the host is arranged at the bottom of the open slot and used for converting sound signals in the sound cavity into digital signals and conveying the digital signals to a receiving end. The utility model receives the vibration signal through the sound cavity formed by the open slot, and transmits the vibration signal to the host machine arranged in the outer shell, and the host machine converts the vibration signal into a digital signal and transmits the digital signal to the receiving terminal; the whole process only has an outer casing and a host computer to cooperate, can realize the child heart promptly and detect the function, spare part is few, simple structure, and is with low costs.

Description

Passive fetal heart detection device

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a passive form child heart detection device.

Background

The scheme that the conventional passive tire core detection device based on the acoustic sensor detects the tire core acoustic signals through an electromechanical acoustic transducer needs a plurality of resonant cavities, and a sound cavity shell or a cavity structure is integrally arranged with a host body.

The fetal heart detection device in the prior art needs a plurality of sound cavities and sound sensors to be matched, the structure is complex, the number of used parts is large, and the cost is high.

The prior art scheme is derived from a medical bell-shaped stethoscope, and the stethoscope is used in a scene that a doctor holds the stethoscope to perform short-time auscultation on the abdomen of a pregnant woman, so that the use experience is not considered, and the stethoscope is designed, produced and manufactured from the idea of pure medical instruments. This brings about the following problems:

the contact surface of the detection device and the skin of the pregnant woman tests hard materials (plastics or metals) and is an annular contact surface, the contact area is small, the pressure is strong, and the discomfort (relatively deep indentation) of the pregnant woman is easily caused after long-time use;

the design of a fixed sound cavity cannot be dynamically adapted to different use scenes (pregnancy conditions of pregnant mothers and environmental conditions);

the whole machine is large in size, medical instruments feel strong, and no consumption attribute exists (while the main use scene of passive fetal heart detection is a family, the consumption attribute can increase the use experience of a user, and the purchase desire of the user is improved).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a passive form child heart detection device, it only has a vibration cavity and a signal converter, and spare part is few, simple structure, and is with low costs, uses comfortablely.

The embodiment of the utility model is realized like this:

a passive type fetal heart detection device comprises a shell and a host, wherein an open slot is formed in the shell and used as a sound cavity of the passive type fetal heart detection device, the host is arranged at the bottom of the open slot and used for converting sound signals in the sound cavity into digital signals and transmitting the digital signals to a receiving end;

the host comprises an inner shell, a sound sensor and a signal converter;

the sound sensor and the signal converter are both arranged in the inner shell, the signal of the signal converter is in signal connection with the sound sensor, and the signal converter is used for converting the sound signal collected by the sound sensor into a digital signal and transmitting the digital signal to a receiving end;

the inner shell is provided with a sound receiving port for communicating the sound cavity with the interior of the inner shell;

a power module and a communication module are also arranged in the inner shell;

the power supply module is respectively electrically connected with the sound sensor, the signal converter and the communication module and is used for supplying power to the sound sensor, the signal converter and the communication module;

the signal converter is in signal connection with the communication module and is used for sending the digital signal converted by the signal converter to a receiving end through the communication module.

Preferably, the bottom of the sound cavity is provided with a clamping groove for clamping the inner shell of the main machine at the bottom of the sound cavity;

or, the side wall of the sound cavity is provided with an annular clamping strip for clamping the host machine at the bottom of the sound cavity.

Preferably, the inner shell is made of an elastic material.

Preferably, the inner shell is made of silica gel or silicon rubber.

Preferably, be provided with the extrusion breach on the interior casing, the extrusion breach is used for the extrusion interior casing, and then will interior casing is followed the joint inslot is taken out.

Preferably, the number of the extrusion gaps is at least two, and the two extrusion gaps are respectively arranged on two opposite sides of the inner shell.

Preferably, the shape of the extrusion notch is circular arc, rectangle or triangle.

Preferably, the clamping groove is an arc-shaped groove or a rectangular groove.

Preferably, the diameter of the sound cavity is 4mm smaller than the diameter of the main machine.

Preferably, the outer housing is U-shaped or trumpet-shaped.

The embodiment of the utility model provides a beneficial effect is:

the sound cavity formed by the open slot receives the vibration signal and transmits the vibration signal to a host arranged in the outer shell, and the host converts the vibration signal into a digital signal and transmits the digital signal to a receiving end; the whole process only has an outer casing and a host computer to cooperate, can realize the child heart promptly and detect the function, spare part is few, simple structure, and is with low costs.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a first structure of a passive tire core detecting device according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a host of the passive tire core detecting device according to an embodiment of the present invention;

fig. 3 is a bottom view of a main unit of the passive tire core detecting device according to the embodiment of the present invention;

fig. 4 is a schematic view of a second structure of the passive tire core detecting device according to the embodiment of the present invention;

fig. 5 is a bottom view of an outer casing in a second structure of a passive tire core detecting device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a passive tire core detecting device according to an embodiment of the present invention;

fig. 7 is a bottom view of an outer casing in a third structure of a passive tire core detecting device according to an embodiment of the present invention;

fig. 8 is a bottom view of the host in the third structure of the passive tire core detecting device according to the embodiment of the present invention.

In the figure:

1: an outer housing; 2: a host; 3: a radio port; 4: a sound cavity; 5: an inner housing; 6: a power supply module; 7: a sound sensor; 8: a signal converter; 9: a communication module; 10: an annular clamping strip; 11: a first barrier rib; 12: a second barrier rib.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to fig. 1 to 8. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The utility model provides a passive form child heart detection device, its includes shell body 1 and host computer 2, is provided with the open slot on the shell, and the open slot is used for sound chamber 4 as passive form child heart detection device, and host computer 2 sets up the tank bottom at the open slot, and host computer 2 is used for converting the acoustic signal in sound chamber 4 into digital signal and carry for the receiving terminal.

Specifically, in this embodiment, shell body 1 is U-shaped or tubaeform, and then forms the open slot in one end, and the open slot specifically is circular slot, and host computer 2's appearance is cylindrical, and host computer 2's shape matches with the shape of open slot, and then can set up the body frame in the open slot.

In this embodiment, the material of outer casing 1 is silica gel, and the thicker the thickness of outer casing 1 is, and its ability of anti external noise is stronger, but weight can increase, and user experience (including the impression) can descend. Through repeated tests, the thickness of the shell ranges from 10mm to 15mm, the more preferable thickness is 12mm, and shells with different thicknesses can be selected according to user requirements and the user household environment noise condition.

In this embodiment the depth of the sound chamber 4 is 5mm-7 mm.

In a more preferred embodiment, the outer shape and colour of the outer shell 1 can be changed at low cost to suit the preferences of different pregnant women.

It should be noted that the shape of the outer casing 1 may be a cylinder, but it is not limited to a cylinder, and it may also be other shapes, such as a rectangular parallelepiped, a hexagonal prism, etc., that is, it only needs to open an open slot at one end as the sound cavity 4, and set the main frame 2 in the sound cavity 4, so as to absorb and convert the sound of the fetal heartbeat into a data signal.

Similarly, the shape of the open slot may be a circular slot, and it may be a slot structure of other shapes such as a square slot, as long as the host 2 can be disposed in the open slot.

Similarly, in the present embodiment, the shape of the host 2 matches the open slot. However, the shape of the host 2 may not be correspondingly matched with the shape of the open slot, and the host 2 may be clamped in the open slot by matching the host 2 with the open slot.

When the sound sensing device is used, the opening of the open slot is covered on the skin, so that the sound cavity 4 is opposite to the skin of a human body, sound is transmitted to the host machine 2 after fetal heartbeat sound is sensed through the skin, and the host machine 2 converts the sound signal into a digital signal and sends the digital signal to the receiving end after the sound signal is collected.

Specifically, in this embodiment, the receiving end may be a mobile phone end, a computer end, or a device or apparatus used for receiving digital signals, such as a cloud end, and the display end may be a mobile phone screen, a computer monitor, a television, or another device or apparatus used for displaying digital signals.

In a more preferred embodiment, the main body 2 comprises an inner housing 5, a sound sensor 7 and a signal converter 8; the sound sensor 7 and the signal converter 8 are both arranged in the inner shell 5, the signal converter 8 is in signal connection with the sound sensor 7, and the signal converter 8 is used for converting the sound signal collected by the sound sensor 7 into a digital signal and transmitting the digital signal to a receiving end.

Specifically, the sound sensor 7 and the signal converter 8 are integrated into a whole through the inner housing 5, thereby facilitating the integral installation and disassembly.

More specifically, the acoustic sensor 7 and the signal converter 8 are connected by a wire to transmit data.

The existing acoustic sensor 7, which may also be referred to as an acoustic sensor, is a device or apparatus that converts mechanical vibrations propagating in a gaseous liquid or solid into an electrical signal. It uses contact or non-contact mode to detect signal. The acoustic sensor 7 is of various types, and can be classified into piezoelectric, electrostrictive, electromagnetic induction, electrostatic, magnetostrictive, and the like according to the measurement principle.

In the present embodiment, the sound sensor 7 is a condenser electret microphone that is built in and sensitive to sound. The sound wave makes the electret film in the microphone vibrate, which causes the capacitance change, and generates the tiny voltage corresponding to the change, and transmits the voltage to the signal converter 8, then the voltage is converted into 0-5V voltage by the signal converter 8, and the voltage is received by the data collector through A/D conversion and is transmitted to the receiving end.

It should be noted that, in the present embodiment, the sound sensor 7 is a capacitive structure, but it is not limited to such a structure, and may be another structure having a sound collection function as long as it can achieve the effect of collecting sound.

In this embodiment, the signal conversion module is an a/D converter, and is configured to convert the change of the piezoelectric signal into a digital signal as an analog signal, so as to facilitate receiving at the receiving end and displaying at the display end.

When the device is used, the signal conversion module receives the piezoelectric signal of the sound sensor 7, converts the piezoelectric signal into a voltage signal, generates a digital signal which can be transmitted and contains the sound information after A/D conversion, and transmits the digital signal to a receiving end.

Preferably, a sound receiving port 3 is provided on the inner housing 5 for communicating the sound chamber 4 with the interior of the inner housing 5.

Specifically, through the setting of radio reception mouth 3, with the inside and outside intercommunication of interior casing 5, and then can be with the sound of collecting in the sound chamber 4 timely, the efficient transmits for the inside acoustic sensor 7 of interior casing 5, guaranteed acoustic sensor 7 to the promptness and the accuracy of sound collection.

Specifically, in this embodiment, the opening directions of the sound receiving port 3 and the sound cavity 4 are the same, in the use state, the opening edge of the sound cavity 4 is tightly attached to the skin of the abdomen of the pregnant woman, the skin, the inner wall of the outer shell 1 and the main machine 2 form a closed resonant cavity, the heartbeat sound of the fetus is transmitted to the sound sensor 7 in the inner shell 5 through the sound receiving port 3 facing the skin direction, and then transmitted to the signal converter 8 through the sound sensor 7, and the signal is output after being converted.

More specifically, in the present embodiment, the sound receiving port 3 is shaped as a circular hole.

It should be pointed out that the shape of radio reception mouth 3 can be the circular port, but it is not only restricted to the circular port, and it can also be the pore structure of other shapes, if can also set up to triangle hole, rectangular hole, hexagonal hole, diamond-shaped hole etc. that is to say, as long as can with interior outer intercommunication of interior casing 5, realize timely, the efficient transmission of sound can.

In a preferred embodiment, a power module 6 and a communication module 9 are further arranged inside the inner shell 5; the power supply module 6 is respectively electrically connected with the sound sensor 7, the signal converter 8 and the communication module 9 and is used for supplying power to the sound sensor 7, the signal converter 8 and the communication module 9; the signal converter 8 is in signal connection with the communication module 9, and is configured to send the digital signal converted by the signal converter 8 to a receiving end through the communication module 9.

Specifically, in the present embodiment, the power module 6 is a rechargeable battery, and more specifically, may be a wireless rechargeable battery, which can reduce the battery size, so as to reduce the overall size of the signal converter 8 and improve the performance of the whole fetal heart detecting apparatus.

It should be noted that, in the present embodiment, the power module 6 is a rechargeable battery, which may also be a non-rechargeable battery, and when the battery is insufficient, the battery is replaced, which only needs to supply power to each component to ensure that each component can perform normal operation.

It should be noted that the power module 6 may be a battery, or may be connected to the commercial power or other power supply methods, as long as it can supply power to each component to ensure that each component can perform normal operation.

In this embodiment, the communication module 9 is a wireless transmission device, and transmits the signal to the receiving end conveniently and efficiently by wireless transmission.

Specifically, in this embodiment, the wireless transmission mode is bluetooth transmission.

It should be noted that the wireless transmission mode may also be wifi transmission, GPRS transmission, 3G network, 4G network transmission, etc., as long as wireless transmission can be achieved.

It should be noted that the transmission mode of the communication module 9 in this embodiment is wireless transmission, and it may also be wired transmission, as long as the digital signal converted by the signal converter 8 can be transmitted to the receiving end.

In the preferred embodiment of the present invention, the bottom of the sound cavity 4 is provided with a clamping groove for clamping the inner casing 5 of the main body 2 to the bottom of the sound cavity 4.

In this embodiment, set up the joint groove in the bottom of sound chamber 4, through the setting in joint groove, can establish the effectual card of casing 5 in the bottom of sound chamber 4, avoid when using, break away from in the sound chamber 4 from host computer 2, and then guaranteed that this device can normally go on the detection to the foetus heartbeat.

Specifically, the degree of depth in joint groove is less, can be with 5 cards of interior casing of host computer 2 in the joint inslot, again can be when the casing 5 in the extrusion, interior casing 5 produces the deformation through certain elasticity, and then breaks away from the joint inslot, and then has realized that host computer 2 is convenient for installation and dismantlement in sound chamber 4.

In another preferred embodiment of the present invention, an annular clamping strip 10 is disposed on the side wall of the sound cavity 4 for clamping the main body 2 at the bottom of the sound cavity 4.

That is to say, be provided with the arch on the lateral wall of sound chamber 4 near the bottom position, the arch uses the axis of sound chamber 4 as the central line after inner wall a week, forms annular card strip 10, and the external diameter of the interior casing 5 of host computer 2 is greater than the internal diameter of annular card strip 10 for annular card strip 10 can be established the bottom in sound chamber 4 with host computer 2 card.

In this embodiment, the protrusions are disposed in other manners, such as:

the arrangement of the protrusions can also be that a plurality of first stop strips 11 are arranged on the side wall of the sound cavity 4 at intervals, and the plurality of first stop strips 11 form a ring shape by taking the axis of the sound cavity 4 as a central line; meanwhile, a plurality of second stop bars 12 are also arranged on the outer wall of the inner shell 5, and the second stop bars 12 and the first stop bars 11 are arranged at intervals, so that after the host machine 2 enters the bottom of the sound cavity 4, the inner shell 5 of the host machine 2 is rotated, the first stop bars 11 are abutted with the second stop bars 12, the first stop bars 11 stop the second stop bars 12 at the bottom of the sound cavity 4, and the purpose of clamping the inner shell 5 at the bottom of the sound cavity 4 is further realized; the inner shell 5 is rotated continuously, and the second stop strip 12 and the first stop strip 11 are arranged at intervals, so that the main unit 2 can be taken out of the sound cavity 4.

In this embodiment, the sizes of the intervals between the first blocking strips 11 may be different, at this time, the lengths of the second blocking strips 12 correspond to the interval distances between the first blocking strips 11, and the lengths of the first blocking strips 11 correspond to the interval distances between the second blocking strips 12, so that only one position can enable the first blocking strips 11 not to block the second blocking strips 12, when the host 2 rotates to any other position, the second blocking strips 12 are all blocked by the first blocking strips 11, and further, the probability of dropping caused by the autonomous rotation of the host 2 is reduced.

It should be noted that, the arrangement manner of the protrusion may be the above two manners, but it is not limited to the above two manners, for example, it may also be a manner of arranging the protrusion as a dot, etc., as long as it can realize that the inner shell 5 is clamped in the sound cavity 4 by the arrangement of the protrusion.

It should be noted that the host 2 may be disposed in the sound cavity 4 in two ways, which are, but not limited to, a snap groove or a snap strip, and there may be other arrangements as long as the host 2 can be detachably disposed in the sound cavity 4.

In a preferred embodiment, the inner housing 5 is made of an elastic material.

Specifically, the inner housing 5 is made of silica gel.

More preferably, the hardness of the inner housing 5 is 35 ± 5.

It should be noted that, the material of the inner casing 5 may be silica gel, but it is not limited to silica gel, and it may also be other elastic materials, such as plastic, rubber, etc., that is, it also has better elastic performance, and can have a certain hardness, and it is able to realize the clamping in the sound cavity 4, and can protect each part inside the inner casing 5.

Specifically, in the present embodiment, the diameter of the sound cavity 4 is smaller than the diameter of the main body 2, and since the inner housing 5 of the main body 2 is an elastic device, the main body 2 can enter the sound cavity 4 by compression, and under the action of the compression, the main body 2 cannot be separated from the sound cavity 4.

In the preferred embodiment, for the convenience of taking out the inner shell 5 from the sound cavity 4, an extrusion notch is arranged on the inner shell 5, and the outer part of the inner shell 5 is extruded through the extrusion notch, so that the inner shell 5 is deformed, and then the inner shell 5 is taken out from the clamping groove.

Specifically, the extrusion gap is arranged on the side wall of the inner shell 5, or the inner shell 5 is far away from one side of the bottom of the sound cavity 4, so that the inner shell 5 can be conveniently extruded.

More preferably, the number of the extrusion notches is at least two, and the two extrusion notches are respectively arranged at two opposite sides of the inner shell 5.

Specifically, the extrusion breach sets up in pairs, and every two extrusion breachs of right set up the relative both sides on the lateral wall of casing 5 including respectively, and then conveniently extrude casing 5 in, make things convenient for the deformation of casing 5 in, make it break away from in can following the joint of joint groove or annular card strip 10.

In a more preferred embodiment, the shape of the extrusion notch is circular arc, rectangular or triangular.

It should be noted that the shape of the extrusion notch may be the above shapes, but the shape is not limited to the above shapes, and the extrusion notch may also be other shapes, such as a trapezoid, etc., that is, only by extrusion of the extrusion notch, the deformation of the inner shell 5 can be realized, so as to facilitate the installation and detachment of the main frame 2.

In a more preferred embodiment, the clamping groove is an arc-shaped groove or a rectangular groove.

It should be noted that the shape of the clamping groove may be the two shapes, but the shape is not limited to the two shapes, and the clamping groove may be a groove structure with other shapes, such as a groove structure with a trapezoidal cross section, and the like, as long as the clamping of the host 2 can be realized through the arrangement of the clamping groove.

The embodiment of the utility model provides a beneficial effect is:

the sound cavity 4 formed by the open slot receives the vibration signal and transmits the vibration signal to the host machine 2 arranged in the outer shell 1, and the host machine 2 converts the vibration signal into a digital signal and transmits the digital signal to a receiving end; only one outer shell 1 and one host computer 2 of whole process cooperate, can realize the child heart promptly and detect the function, spare part is few, simple structure, and is with low costs.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A passive fetal heart detection device is characterized by comprising a shell and a host, wherein an open slot is formed in the shell and used as a sound cavity of the passive fetal heart detection device, the host is arranged at the bottom of the open slot and used for converting sound signals in the sound cavity into digital signals and transmitting the digital signals to a receiving end;

the host comprises an inner shell, a sound sensor and a signal converter;

a power module and a communication module are also arranged in the inner shell;

2. The passive fetal heart detection device according to claim 1, wherein a clamping groove is formed in the bottom of the sound cavity and used for clamping the inner shell of the main machine to the bottom of the sound cavity;

3. The passive tire core detecting device according to claim 2, wherein the inner housing is made of an elastic material.

4. The passive tire core detection device according to claim 3, wherein the inner housing is made of silicone rubber or silicon rubber.

5. The passive tire core detecting device according to claim 2, wherein an extrusion notch is formed in the inner housing, and the extrusion notch is used for extruding the inner housing and then taking out the inner housing from the clamping groove.

6. The passive tire core detecting device according to claim 5, wherein the number of the extrusion notches is at least two, and the two extrusion notches are respectively disposed on two opposite sides of the inner housing.

7. The passive tire core detecting device according to claim 5, wherein the shape of the extrusion notch is circular arc, rectangular or triangular.

8. The passive tire core detecting device according to claim 2, wherein the engaging groove is an arc-shaped groove or a rectangular groove.

9. The passive fetal heart detection apparatus of claim 1, wherein the diameter of the acoustic chamber is 4mm smaller than the diameter of the host machine.

10. The passive fetal heart detection apparatus of claim 1, wherein the outer casing is U-shaped or trumpet-shaped.