CN215534513U

CN215534513U - Electronic stethoscope

Info

Publication number: CN215534513U
Application number: CN202023116466.8U
Authority: CN
Inventors: 陈晨; 陆含波; 李堂辉
Original assignee: Changzhou Ruijie Biotechnology Co ltd
Current assignee: Changzhou Ruijie Biotechnology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2022-01-18
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to an electronic stethoscope, which comprises a shell and a shell cover, wherein the shell cover is connected to one end of the shell, an earphone film is arranged between the shell and the shell cover, a microphone, a circuit board, a rechargeable battery and a control panel are arranged in the shell, the microphone is connected with the circuit board through a circuit, and the circuit board is connected with the rechargeable battery through a circuit. The utility model is small and exquisite, has simple structure and good sealing performance, and can be charged for repeated use. The sound of the heart, lungs or blood pressure can be clearly heard through the patient's clothing. The microphone is arranged to amplify the volume, so that a user with certain hearing impairment can use the stethoscope, and auscultation in loud and chaotic environments or in a backseat of an ambulance cannot be affected. The shell is made of an aluminum shell material, and can effectively reduce noise through manual polishing and chrome plating. A bluetooth headset may be provided for connection; recording, storing and sharing through a mobile phone APP; manual selection of auscultation frequency band, and the like.

Description

Electronic stethoscope

Technical Field

The utility model relates to the technical field of auscultation instruments, in particular to an electronic stethoscope.

Background

The stethoscope is the most commonly used diagnostic tool for internal and external gynecologists, is the mark of the physicians, and the modern medicine is the utility model of the stethoscope. The stethoscope has been improved in appearance and sound transmission mode since the clinical application of 3, 8 and 3 years 1817, but the basic structure of the stethoscope is not changed greatly and mainly comprises a sound pickup part, a transmission part and a listening part.

The existing stethoscope cannot hear weak sound, has more noise, brings certain difficulty to the judgment of the illness state, and has larger volume and inconvenient carrying.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an electronic stethoscope.

The technical scheme for realizing the purpose of the utility model is as follows: the utility model provides an electronic stethoscope, has casing and shell cover, shell cover connect in the one end of casing, the casing with be equipped with the earphone film between the shell cover, the inside of casing is equipped with microphone, circuit board, rechargeable battery, control panel, microphone circuit connect in the circuit board, circuit board line connection in rechargeable battery.

Above-mentioned technical scheme the casing is cylindrical, the diameter of casing from last to down progressively diminishes and progressively grow again.

According to the technical scheme, the spacing plate is integrally formed in the shell, a microphone mounting hole is formed in the center of the spacing plate, and the microphone is embedded in the microphone mounting hole.

According to the technical scheme, the inner diameter of one side of the partition plate facing the earphone film is gradually increased from top to bottom.

According to the technical scheme, the step-shaped circuit board mounting step is arranged inside the shell, and the circuit board is in threaded connection with the circuit board mounting step.

Above-mentioned technical scheme the inside battery shelf that is equipped with of casing, rechargeable battery place in the battery shelf.

According to the technical scheme, a sealing groove is formed in one side, facing the earphone thin film, of the shell, and an O-shaped sealing ring is arranged in the sealing groove.

According to the technical scheme, the control panel is located at one end, back to the shell cover, of the shell, and the control panel is provided with the display panel.

According to the technical scheme, the display panel is covered with the panel film.

According to the technical scheme, a rope hanging hole is formed in one end, back to the outer shell cover, of the shell.

After the technical scheme is adopted, the utility model has the following positive effects:

the utility model is small and exquisite, has simple structure and good sealing performance, can be charged for repeated use, and can detect about 100 patients after being charged once. The utility model can clearly hear the heart, lung or blood pressure through the clothes of the patient. The microphone is arranged to amplify the volume, the maximum multiple is over 100 times, so that a user with certain hearing disorder can use the device, and the auscultation in loud and chaotic environments or in the backseat of an ambulance can not be influenced. The shell is made of an aluminum shell material, and can effectively reduce noise through manual polishing and chrome plating. The circuit board is provided with an acoustic-electric converter, a Bluetooth receiver, a filter and the like, and the signals are fed back to the control panel for operation, so that a Bluetooth headset can be connected; recording, storing and sharing through a mobile phone APP; manual selection of auscultation frequency band, and the like.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic cross-sectional structure of the present invention.

In the figure: the microphone comprises a shell body 11, a shell cover 12, an earphone film 2, a microphone 3, a circuit board 4, a rechargeable battery 5, a partition board 111, a microphone mounting hole 112, a circuit board mounting step 113 and a battery shelf 114, wherein the rechargeable battery 5 is placed on the battery shelf 114, a sealing groove 115, an O-shaped sealing ring 6, a display panel 71, a panel film 72 and a hanging rope hole 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, 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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present invention provides an electronic stethoscope, which comprises a housing 11 and a housing cover 12, wherein the housing cover 12 is connected to one end of the housing 11, an earpiece film 2 is arranged between the housing 11 and the housing cover 12, a microphone 3, a circuit board 4, a rechargeable battery 5 and a control panel are arranged inside the housing 11, the microphone 3 is connected to the circuit board 4 by wires, and the circuit board 4 is connected to the rechargeable battery 5 by wires. The housing 11 and the outer shell 12 may be connected by, but not limited to, a screw connection, and as shown in fig. 2, the outer shell 12 is screwed below the housing 11. The earpiece film 2 is pressed down the housing 11 by the casing 12. The rechargeable battery 5 is charged, and the position of a charging port (not shown in the figure) can be adjusted according to a control panel and production requirements. The earpiece film 2 is preferably an aluminium film. The microphone 3 is preferably, but not exclusively, selected to be a noise reducing microphone, primarily to amplify the volume of sound passing through the earpiece diaphragm 2, up to about 100 times depending on the particular microphone selection. The circuit board 4 is provided with an acoustic-electric converter, a Bluetooth receiver, a filter and the like for feeding back signals to the control panel for operational use.

The casing 11 is cylindrical, and the diameter of the casing 11 gradually becomes smaller and larger from top to bottom. The appearance of casing 11 beautifies the design according to the required accommodation space of each inside subassembly of casing 11, and casing 11 adopts the aluminum hull material, through manual polishing and chromium plating, can effective noise reduction.

The amplitude limiting filtering method is used for realizing the multi-band auscultation of sound frequency under different working modes, and the effect of respectively and intensively listening to heart sound or lung sound is achieved.

Meanwhile, a wiener filter is adopted to filter noise, and a clearer auscultation effect is obtained.

A partition plate 111 is integrally formed in the housing 11, a microphone mounting hole 112 is formed in the center of the partition plate 111, and the microphone 3 is fitted in the microphone mounting hole 112.

The inner diameter of the partition 111 facing the earpiece film 2 is gradually increased from top to bottom. The side of the partition 111 facing the earpiece film 2 forms a cavity for the sound waves to be enhanced after passing through the earpiece film 2.

A stepped circuit board mounting step 113 is provided inside the housing 11, and the circuit board 4 is screwed to the circuit board mounting step 113.

A battery shelf 114 is arranged inside the housing 11, and the rechargeable battery 5 is placed on the battery shelf 114.

A sealing groove 115 is formed in one side, facing the earphone film 2, of the shell 11, and an O-shaped sealing ring 6 is arranged in the sealing groove 115. The O-ring 6 allows for better use of the earpiece film 2.

One end of the shell 11, which faces away from the shell cover, is connected with a control panel, and the control panel is provided with a display panel 71. The display panel 71 is a touch display screen and is provided with a plurality of functional touch keys, such as a start key, a volume up/down key, a lock key, a bluetooth selection key, a cardiac auscultation mode key, a blood pressure auscultation mode key, etc., a lung auscultation mode key, etc.

The display panel 71 is covered with a panel film 72. The panel film 72 protects the display panel 71.

One end of the shell 11, which faces away from the shell cover, is provided with a rope hanging hole 8.

The working principle of the utility model is as follows: microphone 3 transmits the sound of earphone film 2 to circuit board 4 and carries out sound-electricity conversion processing, sends to cell-phone APP through the bluetooth after handling, provides multiple functional button on the control panel and can select different function processing sound.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic stethoscope, comprising: have casing (11) and shell lid (12), shell lid (12) connect in the one end of casing (11), casing (11) with be equipped with earphone film (2) between shell lid (12), the inside of casing (11) is equipped with microphone (3), circuit board (4), rechargeable battery (5), control panel, microphone (3) line connection in circuit board (4), circuit board (4) line connection in rechargeable battery (5).

2. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: casing (11) are cylindrical, casing (11) are from last diameter under to progressively diminishing again progressively grow.

3. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: the microphone is characterized in that a partition plate (111) is integrally formed in the shell (11), a microphone mounting hole (112) is formed in the center of the partition plate (111), and the microphone (3) is embedded in the microphone mounting hole (112).

4. An electronic stethoscope according to claim 3, wherein said electronic stethoscope further comprises: the inner diameter of one side of the partition plate (111) facing the earphone thin film (2) is gradually increased from top to bottom.

5. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: step-shaped circuit board mounting steps (113) are arranged inside the shell (11), and the circuit board (4) is in threaded connection with the circuit board mounting steps (113).

6. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: a battery shelf (114) is arranged in the shell (11), and the rechargeable battery (5) is placed on the battery shelf (114).

7. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: one side of the shell (11) facing the earphone film (2) is provided with a sealing groove (115), and an O-shaped sealing ring (6) is arranged in the sealing groove (115).

8. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: the control panel is located at one end, back to the shell cover, of the shell (11), and is provided with a display panel (71).

9. An electronic stethoscope according to claim 8, wherein said electronic stethoscope further comprises: the display panel (71) is covered with a panel film (72).

10. An electronic stethoscope according to claim 1, wherein said electronic stethoscope further comprises: one end of the shell (11), which faces away from the shell cover, is provided with a rope hanging hole (8).