CN215306079U

CN215306079U - Control structure of main circuit board of ultrasonic Doppler fetal heart rate meter

Info

Publication number: CN215306079U
Application number: CN202023290712.1U
Authority: CN
Inventors: 杨华咏
Original assignee: Shenzhen Zhengkang Technology Co ltd
Current assignee: Shenzhen Zhengkang Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-28
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a control structure of a main circuit board of an ultrasonic Doppler fetal heart rate meter, which comprises a face shell and a bottom shell, wherein keys, a horn hole and an LCD display screen are arranged on the upper surface of the face shell, a battery mounting groove and a battery cover are arranged at the bottom of the bottom shell, electrode plates are arranged at two ends of the battery mounting groove, a containing cavity is arranged between the face shell and the bottom shell, a PCB and a horn are arranged in the containing cavity, an MINI interface is arranged at one end of the PCB, which is close to a connecting wire, a mounting groove for fixing the horn is arranged at the upper part and the lower part of the PCB, which are close to the MINI interface, a key contact is arranged at the middle part of the upper surface of the PCB, the PCB is provided with a bolt hole and a bolt hole I, and the upper part of the PCB is provided with 1 pair of connecting grooves for connecting 1-end electrode plates; according to the utility model, the MINI interface, the loudspeaker, the key contact and the electrode plate are directly arranged on the PCB, so that the fetal heart rate meter has the advantages of compact structure, small volume, convenience in operation and low cost.

Description

Control structure of main circuit board of ultrasonic Doppler fetal heart rate meter

Technical Field

The utility model relates to the technical field of diagnosis by using ultrasonic waves, sound waves or infrasonic waves, in particular to a control structure of a main circuit board of an ultrasonic Doppler fetal heart rate meter.

Background

The Doppler fetal heart rate meter is the most common testing instrument used in many clinical tests in obstetrical department and the like, and the instrument is frequently used from 11 weeks of pregnancy of a pregnant woman to a period of time between delivery of the pregnant woman, so that the portability and the use convenience of the Doppler fetal heart rate meter are particularly important in clinical use.

The Doppler fetal heart rate instrument in the prior art is portable, a doctor needs to be coated with a couplant in advance when the Doppler fetal heart rate instrument is used, then a hand-held instrument host machine is used for holding a probe in one hand for measurement, the working strength of the doctor is high, the use is not smooth, when the hand-held instrument host machine is used for holding the probe in one hand for measurement, the size of the hand-held instrument is large, some nurses cannot hold the hand-held instrument completely in one hand, and the other hand is used for placing the instrument host machine on a bed, the hand of the doctor can be liberated, but the hand can be released unstably, the host machine is broken, or the host machine can be pulled when the probe is used, and the host machine is broken.

Disclosure of Invention

In view of the above, the present invention provides a control structure of a main circuit board of an ultrasonic doppler fetal heart rate meter; according to the control structure of the main circuit board of the ultrasonic Doppler fetal heart rate instrument, the MINI interface, the loudspeaker, the key contact and the electrode plate are directly installed on the PCB, so that the fetal heart rate instrument is compact in structure, small in size, convenient to operate and low in cost.

In order to achieve the purpose, the utility model relates to a control structure of a main circuit board of an ultrasonic Doppler fetal heart rate meter, which comprises a face shell and a bottom shell, the upper surface of the face shell is provided with a key, a horn hole and an LCD display screen, the bottom of the bottom shell is provided with a battery mounting groove and a battery cover, electrode plates are arranged at two ends of the battery mounting groove, an accommodating cavity is arranged between the face shell and the bottom shell, a PCB and a loudspeaker are arranged in the accommodating cavity, a MINI interface is arranged at one end of the PCB close to the connecting line, the upper and lower parts of the PCB board near the MINI interface are provided with mounting grooves for fixing the horn, the PCB is characterized in that a key contact corresponding to the key is arranged in the middle of the upper surface of the PCB, bolt holes and bolt holes I used for being connected with the face shell are respectively arranged in the middle and on the upper portion of the PCB, and 1 pair of connecting grooves used for connecting 1 end electrode piece is arranged on the upper portion of the PCB.

Further, the LCD display screen is connected with the PCB through the conductive adhesive, a backlight source plate is arranged on one side, located on the conductive adhesive, of the bottom of the LCD display screen, and the backlight source plate is connected with the PCB.

Furthermore, four corners of the backlight source plate are provided with fixing supports for fixing four corners of the LCD display screen.

Further, the fixing bracket and the backlight panel are provided as an integrally formed body.

Furthermore, a volume plus-minus key is arranged on the side wall of the face shell, and a volume contact corresponding to the volume plus-minus key is arranged on the side wall of the PCB.

Further, one end of the battery bin is provided with a negative plate and a positive plate which are respectively connected with 1 pair of batteries, the other end of the battery bin is simultaneously connected with a positive battery and a negative battery connecting plate of 1 pair of batteries, and the negative plate and the positive plate are connected with the PCB.

Further, the keys are set as a power key, a mode key and a start/stop key.

The utility model has the beneficial effects that:

according to the control structure of the main circuit board of the ultrasonic Doppler fetal heart rate instrument, the MINI interface, the loudspeaker, the key contact and the electrode plate are directly installed on the PCB, so that the fetal heart rate instrument is compact in structure, small in size, convenient to operate and low in cost.

Drawings

In order to make the object, technical scheme and beneficial effect of the utility model more clear, the utility model provides the following drawings for explanation:

FIG. 1 is a schematic structural diagram of a control structure of a main circuit board of an ultrasonic Doppler fetal heart rate apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a PCB board in the control structure of the main circuit board of the ultrasonic doppler fetal heart rate apparatus of the present invention.

Reference numerals: 1-a lens; 2-pressing a key; 3-a surface shell; 4-LCD display screen; 5-a backlight panel; 6-conductive adhesive; 7-a PCB board; 8-volume up-down keys; 9-a bottom shell; 10-a battery cover; 15-a battery; 16-connecting lines; 17-a loudspeaker; 18-electrode slice; 19-mounting grooves; 20-bolt holes; 21-a support column; 22-a connecting trough; 23-a key contact; 24-a fixed support; a 25-MINI interface; 26-bolt hole I.

Detailed Description

The utility model is further illustrated by the following figures and examples.

As shown in fig. 1-2, which is a schematic structural diagram of a main circuit board control structure of an ultrasonic doppler fetal heart rate apparatus of the present invention, the main circuit board control structure of the ultrasonic doppler fetal heart rate apparatus of the present invention includes a face casing 3 and a bottom casing 9, a button 2, a speaker hole and an LCD display screen 4 are disposed on an upper surface of the face casing 3, a battery mounting groove and a battery cover 10 are disposed at a bottom of the bottom casing 9, electrode plates 18 are disposed at two ends of the battery mounting groove, a receiving cavity is disposed between the face casing 3 and the bottom casing 9, a PCB 7 and a speaker 17 are disposed in the receiving cavity, a MINI interface 25 is disposed on the PCB 7 near one end of a connection line, a mounting groove 19 for fixing the speaker 17 is disposed at a position near the MINI interface 25 at an upper and lower portion of the PCB, a button contact 23 corresponding to the button 2 is disposed in a middle portion of an upper surface of the PCB 7, bolt holes 20 and bolt holes I26 for connecting with the face casing are respectively disposed in a middle portion and an upper portion of the PCB 7, the upper part of the PCB is provided with 1 pair of connecting grooves 22 for connecting 1 terminal pole piece 18.

This embodiment makes fetus cardiotachometer compact structure, small, convenient operation, with low costs through with MINI interface, loudspeaker, button contact and electrode slice direct mount on the PCB board.

Preferred embodiment, LCD display screen 4 is connected with PCB board 7 through conducting resin 6, LCD display screen bottom is located conducting resin one side and is provided with backlight board 5, backlight board 5 is connected with PCB board 7, and this structure is favorable to linking together LCD display screen 4, backlight board 5 and PCB board 7, is favorable to making the cardiotachometer small, convenient operation.

In the preferred embodiment, the four corners of the backlight board 6 are provided with the fixing brackets 24 for fixing the four corners of the LCD display screen, which is beneficial to improving the connection strength between the backlight board 6 and the LCD display screen and avoiding displacement.

In a preferred embodiment, the fixing bracket and the backlight panel are provided as an integral molding body, which is advantageous for one-time molding installation.

The preferred embodiment, be provided with volume plus-minus key 8 on the 3 lateral walls of face-piece, be provided with the volume contact that corresponds the setting with volume plus-minus key 8 on the 7 lateral walls of PCB board, this structure is favorable to 7 machine-shaping of PCB board, makes things convenient for the operation of volume plus-minus key 8, makes the volume contact also integrated also at PCB board 7, makes the reduction cardiotachometer inner erection space, makes the cardiotachometer small, convenient operation.

In a preferred embodiment, one end of the battery bin is provided with a negative plate and a positive plate which are respectively connected with 1 pair of batteries, the other end of the battery bin is simultaneously connected with 1 pair of positive and negative battery connecting plates of the batteries, the negative plate and the positive plate are connected with the PCB 7, and the structure is favorable for the batteries to supply power for the PCB 7.

In a preferred embodiment, the keys are configured as a power key, a mode key and a start/stop key.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a main circuit board control structure of supersound Doppler fetus cardiotachometer, includes face-piece and drain pan, be provided with button, horn hole and LCD display screen on the face-piece upper surface, the drain pan bottom is provided with battery mounting groove and battery cover, battery mounting groove both ends are provided with the electrode slice, be provided with between face-piece and the drain pan and hold the chamber, it is provided with PCB board and loudspeaker, its characterized in that to hold the intracavity: be close to connecting wire one end on the PCB board and be provided with the MINI interface, the lower part is close to the MINI interface and is provided with the mounting groove that is used for fixed loudspeaker about the PCB board, PCB board upper surface middle part is provided with the button contact that corresponds the setting with the button, PCB board middle part and upper portion are provided with respectively and are used for bolt hole and bolt hole I be connected with the face-piece, PCB board upper portion is provided with 1 spread groove to being used for connecting 1 end electrode piece.

2. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in claim 1, wherein: the LCD display screen is connected with the PCB through conductive adhesive, a backlight source plate is arranged on one side, located on the conductive adhesive, of the bottom of the LCD display screen, and the backlight source plate is connected with the PCB.

3. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in claim 2, wherein: and four corners of the backlight panel are provided with fixing supports for fixing four corners of the LCD display screen.

4. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in claim 3, wherein: the fixed support and the backlight panel are arranged into an integral forming body.

5. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in any one of claims 1 to 4, wherein: the side wall of the face shell is provided with a volume plus-minus key, and the side wall of the PCB is provided with a volume contact which is arranged corresponding to the volume plus-minus key.

6. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in claim 5, wherein: and one end of the battery bin is provided with a negative plate and a positive plate which are respectively connected with 1 pair of batteries, the other end of the battery bin is simultaneously connected with a positive battery and a negative battery connecting plate of 1 pair of batteries, and the negative plate and the positive plate are connected with the PCB.

7. The control structure of the main circuit board of the ultrasonic Doppler fetal heart rate apparatus as claimed in claim 5, wherein: the keys are set as a power key, a mode key and a start/stop key.