CN110772237A

CN110772237A - Pulse acquisition device capable of realizing accurate pressure application

Info

Publication number: CN110772237A
Application number: CN201911081963.8A
Authority: CN
Inventors: 张�杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-02-11

Abstract

The invention discloses a pulse collecting device capable of realizing accurate pressure application, which comprises a base, wherein two ends of the top of the base are connected with the same sleeve through wrist straps, a push post with a T-shaped section is sleeved in the sleeve in a sliding mode, a reset device is connected between the top of the sleeve and the push post, a thruster is installed at the top of the push post, a finger pressure sensor is installed at the bottom of the push post, the bottom of the push post is connected with a probe through a ligament, a pulse pressure sensor is installed at the bottom of the probe, an installation groove is formed in the inner wall of the sleeve, a locking device is installed in the installation groove, and a damper is arranged on the inner wall of the sleeve. The invention can obtain accurate pressure value, and is convenient to find different pressing force; and stable and accurate detector pressure can be realized.

Description

Pulse acquisition device capable of realizing accurate pressure application

Technical Field

The invention relates to the technical field of automatic control systems, in particular to a pulse collecting device capable of realizing accurate pressure application.

Background

With the rapid development of biomedical detection technology in recent years, the electronic pulse diagnosis instrument combining traditional Chinese medicine pulse diagnosis and modern electronic science has become a research hotspot in academia and business circles. The electronic pulse diagnosis instrument collects pulse signals by means of various high-sensitivity sensors, quantifies and effectively records pulse conditions, enables pulse diagnosis to be objective and gets rid of the dependence of traditional pulse diagnosis on subjective feeling and experience of doctors.

The probe capable of accurately collecting pulse signals is the key of the electronic pulse diagnosis instrument, various probe devices have been developed by numerous scholars at home and abroad at present, but the core of the probe device basically comprises a pressure device and a detection part, the pressure device simulates the finger pressing action of a doctor, and the detection part is responsible for collecting the pulse signals.

In order to realize four pressing forces of floating, middle, sinking and bottom, the pressing devices usually adopt stepping motors, pneumatic transmission devices, hydraulic transmission devices, electromagnetic and other pressing devices, but the pressing devices cannot find out the positioning accurately, cannot acquire the pulse stably under a certain specific pressure repeatedly, and cannot ensure the repeatability and stability of the acquisition process.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a pulse acquisition device capable of realizing accurate pressurization.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a can realize pulse collection system of accurate exerting pressure, includes the base, the top both ends of base are connected with same sleeve through the wrist strap, telescopic inside slip has cup jointed the cross-section for the post that pushes away of T shape, telescopic top and push away and be connected with resetting means between the post, push away the top of post and install the thrustor, push away the bottom of post and install finger pressure sensor, the bottom that pushes away the post is connected with the probe through the ligament, pulse pressure sensor is installed to the bottom of probe, the mounting groove has been seted up on the telescopic inner wall, install tight locking device in the mounting groove, be provided with the attenuator on the telescopic inner wall.

Preferably, the thruster, the locking device, the finger pressure sensor and the pulse pressure sensor are connected with an electronic control unit, the electronic control unit comprises an analog signal processing circuit, the analog signal processing circuit is connected with an analog-to-digital conversion circuit, the analog-to-digital conversion circuit is connected with a single chip microcomputer, and the single chip microcomputer is connected with a control circuit.

Preferably, the thruster, the locking device, the finger pressure sensor and the pulse pressure sensor are respectively and electrically connected with the analog signal processing circuit.

Preferably, the locking device is provided in plurality.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the pressure value for applying finger pressure is digitally quantized, and is processed by data analysis and an electronic circuit, so that an accurate pressure value is obtained, and different pressing forces can be conveniently found; meanwhile, the pressure applying device has a self-locking function, the pressure sensor transmits a pressure signal between the push column and the probe to the electronic control unit, the locking device is controlled through a single chip microcomputer program, the push column is locked, the current pressure is kept, and stable and accurate detector pressure is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a pulse collecting device capable of accurately applying pressure according to the present invention;

FIG. 2 is a schematic view of a partial structure of a pulse collecting device capable of applying pressure precisely according to the present invention;

FIG. 3 is a schematic view of an internal structure of a sleeve of a pulse collecting device capable of accurately applying pressure according to the present invention;

fig. 4 is a logic block diagram of an electronic control unit of a pulse collecting device capable of accurately applying pressure according to the present invention.

In the figure: the device comprises a thruster 1, a push column 2, a sleeve 3, a ligament 4, a probe 5, a finger pressure sensor 6, an electronic control unit 7, a pulse pressure sensor 8, a damper 9, a locking device 10, a resetting device 11, a wrist strap 12, a base 13, an analog signal processing circuit 14, an analog-to-digital conversion circuit 15, a single chip microcomputer 16 and a control circuit 17.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a can realize pulse collection system of accurate application of pressure, including base 13, base 13's top both ends are connected with same sleeve 3 through wrist strap 12, sleeve 3's inside slip has cup jointed the post 2 that pushes away that the cross-section is T shape, be connected with resetting means 11 between sleeve 3's the top and the post 2 that pushes away, thruster 1 is installed at the top of post 2 that pushes away, it presses sensor 6 to push away the bottom of post 2 to install the finger, the bottom of post 2 that pushes away is connected with probe 5 through ligament 4, pulse pressure sensor 8 is installed to probe 5's bottom, the mounting groove has been seted up on sleeve 3's the inner wall, install locking device 10 in the mounting groove, be provided with attenuator 9 on sleeve 3's the.

The thruster 1, the locking device 10, the finger pressure sensor 6 and the pulse pressure sensor 8 are connected with an electronic control unit 7, the electronic control unit 7 comprises an analog signal processing circuit 14, the analog signal processing circuit 14 is connected with an analog-to-digital conversion circuit 15, the analog-to-digital conversion circuit 15 is connected with a single chip microcomputer 16, and the single chip microcomputer 16 is connected with a control circuit 17.

Wherein, the thruster 1, the locking device 10, the finger pressure sensor 6 and the pulse pressure sensor 8 are respectively electrically connected with the analog signal processing circuit 14.

Wherein a plurality of the lock apparatuses 10 are provided.

The finger pressure sensor 6 adopts a high-precision resistance type strain gauge, the probe 5 adopts a soft plastic material, and the pulse pressure sensor 8 adopts a micro-pressure strain gauge.

The working principle is as follows: the arranged thruster 1 can move the push column 2 up and down through different pressing modes, then the probe 5 is aligned with the pulse-taking position of the wrist to apply pressure from light to heavy, and the pressing modes can adopt a stepping motor, a pneumatic transmission device, a hydraulic transmission device, an electromagnetic type and other pressing modes;

the arranged push column 2 slides up and down under the action of the thruster 1 and the reset device 11 to push the probe 5, so that the probe 5 moves up and down to simulate the action of pressing by fingers;

the arranged probe 5 can simulate fingers and contact human body pulse;

the sleeve 3 is used for fixing the push column 2, and a cavity with a damper 9 is arranged in the sleeve for the push column 2 and the probe 5 to move up and down slowly;

the finger pressure sensor 6 is arranged between the push column 2 and the probe 5, can measure the pressure between the push column 2 and the probe 5 and is used for quantifying the pressure applied by the push column;

the pulse pressure sensor 8 is arranged on the probe 5 and is used for acquiring pulse signals;

the set electronic control unit 7 collects and quantizes a pressure signal generated by the finger pressure sensor 6 through the analog-to-digital conversion circuit 15, the single chip microcomputer 16 stores a pressure value, and the locking device 10 is controlled through software under the specified pressure value, so that the pressure is kept at a set value;

the arranged locking device 10 is controlled by the electronic control unit 7 and is used for locking the push column 2 and stabilizing the push column, so that the probe 5 is kept under a specific pressure, and four or more pressing forces of floating, middle, sinking and bottom are stably and accurately realized;

the base 13 and the wrist strap 12 are used for fixing the wrist of a person, so that the movement of the person is prevented, and the stability and the accuracy of data acquisition are guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 pulse acquisition device 1 capable of realizing accurate pressure application, which comprises a base (13), it is characterized in that two ends of the top of the base (13) are connected with the same sleeve (3) through wrist bands (12), a push post (2) with a T-shaped section is sleeved in the sleeve (3) in a sliding manner, a resetting device (11) is connected between the top of the sleeve (3) and the push column (2), the top of the push column (2) is provided with a thruster (1), the bottom of the push column (2) is provided with a finger pressure sensor (6), the bottom of the push column (2) is connected with a probe (5) through a ligament (4), the bottom of the probe (5) is provided with a pulse pressure sensor (8), the inner wall of the sleeve (3) is provided with an installation groove, a locking device (10) is installed in the installation groove, and a damper (9) is arranged on the inner wall of the sleeve (3).

2. The pulse acquisition device capable of precisely applying pressure according to claim 1, wherein the thruster (1), the locking device (10), the finger pressure sensor (6) and the pulse pressure sensor (8) are connected with an electronic control unit (7), the electronic control unit (7) comprises an analog signal processing circuit (14), the analog signal processing circuit (14) is connected with an analog-digital conversion circuit (15), the analog-digital conversion circuit (15) is connected with a single chip microcomputer (16), and the single chip microcomputer (16) is connected with a control circuit (17).

3. The pulse collecting device capable of precisely applying pressure according to claim 2, wherein the thruster (1), the locking device (10), the finger pressure sensor (6) and the pulse pressure sensor (8) are electrically connected to the analog signal processing circuit (14), respectively.

4. Pulse acquisition device enabling precise pressure exertion according to claim 1, characterized in that said locking means (10) are provided in plurality.