CN215306080U

CN215306080U - Ultrasonic Doppler fetal heart rate meter

Info

Publication number: CN215306080U
Application number: CN202023290733.3U
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 an ultrasonic Doppler fetal heart rate meter which comprises a main machine body, a probe and a connecting wire, wherein the main machine body comprises a face shell, a bottom shell, keys, a horn hole, an LCD display screen, a battery mounting groove, a battery cover, a PCB (printed Circuit Board) and a horn, the PCB is provided with an MINI (Mini Internet protocol) interface, and the middle part of the upper surface of the PCB is provided with a key contact; the probe body comprises an upper shell, a lower shell, a probe and a probe PCB, wherein the upper surface and the lower surface of the probe PCB are respectively provided with an ultrasonic transmitter and an ultrasonic receiver, the probe is provided with an ultrasonic wafer, and the middle part of the ultrasonic wafer is provided with a partition plate; according to the utility model, the MINI interface, the loudspeaker, the key contact and the electrode plate in the host are integrated on the main PCB, and the ultrasonic transmitter, the ultrasonic receiver and the connector in the probe are integrated on the probe PCB, so that the working efficiency of the ultrasonic probe is improved; the fetal heart rate meter has the advantages of compact structure, small volume, convenient operation and low cost.

Description

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 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 coat a couplant in advance when the Doppler fetal heart rate instrument is used, then the doctor holds the probe with one hand by using a portable instrument host to measure, the working intensity of the doctor is high, the use is not smooth, one hand of medical staff cannot be released to be used for soothing a puerpera when the doctor holds the probe with one hand by using the portable instrument host to measure, and the emotion of the puerpera is stabilized; the other is to put the main machine of the instrument on a bed, which can release the hands of a doctor, but the main machine can be broken due to unstable placement, or the main machine can be dragged when the probe is used, so that the main machine is broken.

Disclosure of Invention

In view of the above, the present invention is directed to an ultrasonic doppler fetal heart rate meter; according to the ultrasonic Doppler fetal heart rate meter, the MINI interface, the loudspeaker, the key contact and the electrode plate in the host are integrated on the main PCB, and the ultrasonic transmitter, the ultrasonic receiver and the connector in the probe are integrated on the probe PCB, so that mutual interference during transmitting and receiving of ultrasonic signals is avoided, a strong signal intersection point is formed during transmitting and receiving of the ultrasonic signals by using the transmission angle of the receiving wafer and the transmitting wafer, and the working efficiency of the ultrasonic probe is improved; the fetal heart rate meter has the advantages of compact structure, small volume, convenient operation and low cost.

In order to achieve the aim, the utility model provides an ultrasonic Doppler fetal heart rate meter, which comprises a main machine body, a probe body and a connecting line connected between the main machine body and the probe body, the machine body comprises a face shell and a bottom shell, wherein 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, two ends of the battery mounting groove are provided with electrode plates, an accommodating cavity is arranged between the face shell and the bottom shell, a PCB and a loudspeaker are arranged in the accommodating cavity, one end of the PCB board close to the connecting line is provided with an MINI interface, the upper part and the lower part of the PCB board close to the MINI interface are provided with mounting grooves for fixing a loudspeaker, the middle part of the upper surface of the PCB is provided with a key contact arranged corresponding to a key, the middle part and the upper part of the PCB are respectively provided with a bolt hole and a bolt hole I for connecting with a face shell, and the upper part of the PCB is provided with 1 pair of connecting grooves for connecting with 1-end electrode piece;

the utility model discloses a probe, including the probe body, the probe body includes casing, lower casing and can dismantle the probe that sets up at last casing and casing one end tip down, it holds chamber I to go up to be provided with between casing and the lower casing, it is provided with probe PCB board in the chamber I to hold, probe PCB board upper and lower surface is provided with ultrasonic transmitter and ultrasonic receiver respectively, the probe is provided with the ultrasonic wafer that has transmission angle, ultrasonic wafer middle part is provided with the division board that sets up perpendicularly with probe PCB board, the division board is used for separating the ultrasonic wafer into the transmission wafer that corresponds the setting with ultrasonic transmitter and receiver and receives the wafer.

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, the transmission angle of the ultrasonic wafer was set to 15 °.

Further, be provided with bolt hole II on the probe PCB board, bolt hole II slant is arranged on the probe PCB board, the probe PCB board passes through bolt hole II and bolt fastening on last casing.

Furthermore, 2 pairs of buckling blocks which are correspondingly arranged are arranged on two sides of the upper shell, a buckling plate is arranged on the lower shell, and a buckling groove which is connected with the buckling blocks in a buckling mode is formed in the buckling plate.

Furthermore, both sides are provided with 1 pair of the lock joint piece I that corresponds the setting on the probe, all be provided with lock joint board I on casing and the last casing down, be provided with the lock joint frid I of being connected with lock joint piece I lock joint in the lock joint frid I.

Further, be provided with the support wall that supports the ultrasonic wave wafer on the probe inner wall, the probe is close to the support wall tip and is provided with the installation lid, be provided with spacing post on the installation lid, be provided with the mounting hole that corresponds the setting with spacing post on the ultrasonic wave wafer.

The utility model has the beneficial effects that:

the ultrasonic Doppler fetal heart rate meter is integrated on the main PCB through the MINI interface, the loudspeaker, the key contact and the electrode plate in the host, and the ultrasonic transmitter, the ultrasonic receiver and the connector in the probe are integrated on the probe PCB, so that mutual interference during transmitting and receiving of ultrasonic signals is avoided, a strong signal intersection point is formed during transmitting and receiving of the ultrasonic signals by utilizing the transmission angle of the receiving wafer and the transmitting wafer, and the working efficiency of the ultrasonic probe is improved; the fetal heart rate meter has the advantages of compact structure, small volume, convenient operation and low 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 diagram of the structure of an ultrasonic Doppler fetal heart rate meter according to the present invention;

FIG. 2 is a schematic structural diagram of a main PCB board in the ultrasonic Doppler fetal heart rate meter of the present invention;

FIG. 3 is a schematic structural diagram of a probe in the ultrasonic Doppler fetal heart rate meter according to the present invention;

fig. 4 is a schematic structural diagram of a probe wafer in the ultrasonic doppler fetal heart rate meter 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; 11-an upper shell; 12-a lower housing; 13-a probe; 14-probe PCB board; 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; 27-a fastening plate; 28-an ultrasonic transmitter; 29-an ultrasonic receiver; 30-a partition plate; 31-a fastening block I; 32-bolt hole II; 33-bolt column II; 34-a through hole; 35-mounting groove I; 36-an emitter wafer; 37-receiving the wafer; 38-mounting a cover; 39-a limiting column; 40-supporting the wall.

Detailed Description

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

As shown in fig. 1-4, which are schematic structural diagrams of an ultrasonic doppler fetal heart rate monitor of the present invention, the ultrasonic doppler fetal heart rate monitor of the present invention includes a main body, a probe body and a connecting line connected between the main body and the probe body, the main body includes a face casing 3 and a bottom casing 9, a key 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, an MINI interface 25 is disposed at one end of the PCB 7 close to the connecting line, a mounting groove 19 for fixing the speaker is disposed at a position close to the MINI interface 25 at an upper and lower portion of the PCB 7, a key contact 23 corresponding to the key 2 is disposed at a middle portion of an upper surface of the PCB 7, the middle part and the upper part of the PCB are respectively provided with a bolt hole 20 and a bolt hole I26 for connecting with a face shell, and the upper part of the PCB 7 is provided with 1 pair of connecting grooves 22 for connecting 1 end pole piece;

the probe body includes last casing 11, lower casing 12 and can dismantle the probe 13 that sets up at last casing 11 and lower casing 12 one end tip, it holds chamber I to go up to be provided with between casing 11 and the lower casing 12, it is provided with probe PCB board 14 in the chamber I to hold, probe PCB board 14 upper and lower surface is provided with ultrasonic transmitter 28 and ultrasonic receiver 29 respectively, probe 13 is provided with the ultrasonic wafer that has transmission angle, ultrasonic wafer middle part is provided with the division board 30 with the perpendicular setting of probe PCB board, division board 30 is used for separating into the ultrasonic wafer and corresponds the transmission wafer 36 and the receipt wafer 37 that set up with ultrasonic transmitter and receiver.

In the embodiment, the MINI interface, the loudspeaker, the key contact and the electrode plate in the host are integrated on the main PCB, and the ultrasonic transmitter, the ultrasonic receiver and the connector in the probe are integrated on the probe PCB, so that mutual interference during transmitting and receiving of ultrasonic signals is avoided, and a strong signal cross point is formed during transmitting and receiving of the ultrasonic signals by using the transmission angle of the receiving wafer and the transmitting wafer, so that the working efficiency of the ultrasonic probe is improved; the fetal heart rate meter has the advantages of compact structure, small volume, convenient operation and low cost.

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, the transmission angle of the ultrasonic wafer is set to be 15 °, in this embodiment, a separation plate is arranged in the middle between the receiving wafer and the transmitting wafer, so that mutual interference is avoided, the transmission angle of the receiving wafer and the transmitting wafer is 15 °, a 30 ° V-shaped structure is formed between the receiving wafer and the transmitting wafer, and a strong signal cross point is formed during transmission and reception of ultrasonic signals, so that the problems of reflection and attenuation of received signals are reduced to the maximum extent.

The probe PCB board 14 is provided with a bolt hole II32, the bolt hole II32 is obliquely arranged on the probe PCB board 14, the probe PCB board 14 is fixed on the upper shell 11 through a bolt hole II32 and a bolt, the end part and the tail part of the probe PCB board 14 in the embodiment are both provided with a fixed limiting structure, the probe PCB board 14 is obliquely arranged along the probe PCB board 14 by combining the bolt hole II32, the fixed probe PCB board 14 is favorably fixed, the number of the bolt holes can be reduced, and the circuit layout of the probe PCB board 14 is convenient.

In a preferred embodiment, 2 pairs of correspondingly arranged fastening blocks are arranged on two sides of the upper shell 11, a fastening plate 27 is arranged on the lower shell, and fastening grooves which are fastened with the fastening blocks are arranged in the fastening plate 27, so that the structure is favorable for fixedly connecting the upper shell and the lower shell together.

In a preferred embodiment, 1 pair of correspondingly arranged buckling blocks I31 are arranged on two sides of the probe 13, buckling plates I are arranged on the lower shell and the upper shell, and buckling groove plates I in buckling connection with the buckling blocks I31 are arranged in the buckling plates I, so that the probe is favorably fixed on the lower shell and the upper shell.

In a preferred embodiment, a supporting wall 40 for supporting the ultrasonic wafer is arranged on the inner wall of the probe 13, a mounting cover 38 is arranged at the end part of the probe close to the supporting wall, a limiting column 39 is arranged on the mounting cover, and a mounting hole corresponding to the limiting column is arranged on the ultrasonic wafer.

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 an supersound Doppler fetus cardiotachometer, includes the host computer body, the probe body and connects the connecting wire between host computer body and the probe body, the organism 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: an MINI interface is arranged at one end, close to a connecting line, of the PCB, mounting grooves for fixing a loudspeaker are arranged at the upper portion and the lower portion of the PCB, close to the MINI interface, key contacts arranged corresponding to keys are arranged in the middle of the upper surface of the PCB, bolt holes and bolt holes I used for being connected with a face shell are respectively arranged in the middle and the upper portion of the PCB, and 1 pair of connecting grooves used for being connected with 1-end electrode plates are formed in the upper portion of the PCB;

2. An ultrasonic doppler fetal heart rate meter 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. An ultrasonic doppler fetal heart rate meter 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. An ultrasonic doppler fetal heart rate meter as claimed in claim 3 wherein: the fixed support and the backlight panel are arranged into an integral forming body.

5. An ultrasonic Doppler fetal heart rate monitor as claimed in claim 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. An ultrasonic Doppler fetal heart rate monitor as claimed in any one of claims 1 to 5 wherein: the transmission angle of the ultrasonic wafer was set to 15 °.

7. An ultrasonic doppler fetal heart rate meter as claimed in claim 6 wherein: be provided with bolt hole II on the probe PCB board, bolt hole II slant is arranged on the probe PCB board, the probe PCB board passes through bolt hole II and bolt fastening on last casing.

8. An ultrasonic doppler fetal heart rate meter as claimed in claim 7 wherein: the improved shell structure is characterized in that 2 pairs of correspondingly arranged buckling blocks are arranged on two sides of the upper shell, a buckling plate is arranged on the lower shell, and buckling grooves connected with the buckling blocks in a buckling mode are formed in the buckling plate.

9. An ultrasonic doppler fetal heart rate meter as claimed in claim 8 wherein: the probe is characterized in that 1 pair of buckling blocks I which are correspondingly arranged are arranged on two sides of the probe, buckling plates I are arranged on the lower shell and the upper shell, and buckling groove plates I which are connected with the buckling blocks I in a buckling mode are arranged in the buckling plates I.

10. An ultrasonic doppler fetal heart rate meter as claimed in claim 9 wherein: the ultrasonic wave chip detection device is characterized in that a supporting wall for supporting the ultrasonic wave chip is arranged on the inner wall of the probe, an installation cover is arranged at the end part of the probe close to the supporting wall, a limiting column is arranged on the installation cover, and an installation hole corresponding to the limiting column is formed in the ultrasonic wave chip.