CN210181903U

CN210181903U - Pulse simulator

Info

Publication number: CN210181903U
Application number: CN201920762711.0U
Authority: CN
Inventors: jinke Teng; 滕金科; Fengjun Liu; 刘凤军; Yingqian Cai; 蔡颖乾
Original assignee: Guangdong Medical Technology Co ltd
Current assignee: Guangdong Medical Technology Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-03-24
Anticipated expiration: 2029-05-25

Abstract

The utility model relates to a pulse simulator, which comprises a shell, wherein a Hall element is arranged at the lower part in the shell; the upper part of the shell is provided with a pressing cover, the lower part of the pressing cover is provided with a magnetic piece and a vibrating piece, and the magnetic piece is positioned between the pressing cover and the Hall element; an elastic piece is arranged at the lower part of the pressing cover, and one end of the elastic piece, which is far away from the pressing cover, is connected to the shell or the Hall element; the Hall element and the vibrating piece are electrically connected with the central control assembly; a rubber cover is arranged outside the pressing key; the beneficial effects are that: the structure is simple, and the installation and the use are convenient; the energy consumption is low, and a plurality of human body models can be installed in the same human body model; whether the feedback tester has done the pulse check, whether touch the pulse thereby can the perception simulation pulse is beaten in response to, when not detecting the action of pressing, is in standby state, energy-conservation.

Description

Pulse simulator

Technical Field

The utility model belongs to the technical field of it is bionical, especially, relate to a simulated human pulse.

Background

The medical simulator simulates pulse which is arranged on the simulator for medical teaching; various vital signs of a human body are simulated, and pulse pulsation of a real person is also simulated, wherein the pulse pulsation shows different pulse intensities along with the blood pressure of the whole body.

For example, ZL201210297997.2 magnetic suspension artery simulator describes that the pulse uses the magnetic suspension principle, and a coil needs to be electrified, and the coil can generate heat, has large heat and large energy consumption, and has a complex structure and poor reliability.

Meanwhile, the simulator in the prior art is always in a pulsating state, and the starting of the pressing action cannot be identified; or only a simple push switch is arranged, so that the simulation degree is poor;

in practical use, a plurality of pulse simulation devices may need to be installed in one prosthesis, so that different parts of the prosthesis are provided with the simulation devices, but when the pulse simulation devices are installed at a plurality of positions, the pulse beat at the same time consumes more energy.

SUMMERY OF THE UTILITY MODEL

[ problem ] to

To the above problem, the utility model provides a pulse emulation device mainly solves prior art energy consumption big, with the interactive poor, the recognition that can not be fine of tester and presses action scheduling problem.

[ solution ]

In order to solve the problem, the utility model adopts the following technical scheme:

a pulse simulator comprises a shell body,

a Hall element is arranged at the lower part in the shell;

the upper part of the shell is provided with a pressing cover, the lower part of the pressing cover is provided with a magnetic piece and a vibrating piece, and the magnetic piece is positioned between the pressing cover and the Hall element;

an elastic piece is arranged at the lower part of the pressing cover, and one end of the elastic piece, which is far away from the pressing cover, is connected to the shell or the Hall element;

the Hall element and the vibrating piece are electrically connected with the central control assembly;

and a rubber cover is arranged outside the pressing cover.

Preferably, when the elastic element is not compressed, the distance between the pressing cover and the hall element is greater than the length of the magnetic element.

Preferably, the lower end of the rubber cover is connected with the shell.

Preferably, the outer diameter of the pressing cover is matched with the inner diameter of the shell.

Preferably, the pressing cap is movable up and down in the housing.

Preferably, the outer diameter of the pressing cover is smaller than the inner diameter of the shell; when the press cap moves in the housing, the press cap does not contact the housing.

Preferably, the pressing cover is saddle-shaped.

[ advantageous effects ]

The utility model has the advantages that:

1. the structure is simple, and the installation and the use are convenient;

2. the energy consumption is low, and a plurality of human body models can be installed in the same human body model;

3. whether the feedback tester has done the pulse check, whether touch the pulse thereby can the perception simulation pulse is beaten in response to, when not detecting the action of pressing, is in standby state, energy-conservation.

Drawings

FIG. 1 is an exploded view of a structure of the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 3 is a schematic diagram of the local control of the present invention.

In the figure:

10 shell, 20 pressing cover, 30 rubber cover, 40 Hall element, 50 vibrating piece, 60 elastic piece and 70 magnetic piece.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, a pulse simulation apparatus, includes a housing 10,

a Hall element 40 is arranged at the lower part in the shell 10;

a pressing cover 20 is arranged at the upper part of the shell 10, a magnetic piece 70 and a vibration piece 50 are arranged at the lower part of the pressing cover 20, and the magnetic piece 70 is positioned between the pressing cover 20 and the Hall element 40;

the magnetic member 70 can move closer to or away from the hall element 40 along with the pressing cover 20;

the magnetic member 70 is a magnet, outputs different voltage values according to the difference in the proximity distance between the linear hall and the magnet, and calculates the distance between the magnet and the hall element 40.

With reference to the structure of fig. 1, an elastic member 60 is disposed at the lower portion of the pressing cover 20, and one end of the elastic member 60 away from the pressing cover 20 is connected to the housing 10 or the hall element 40;

when the pressing cap 20 is pressed, the elastic member 60 makes the pressing cap 20 have a tendency to return to its original position.

Referring to fig. 3, the hall element 40 and the vibrating piece 50 are electrically connected to a central control assembly, and the MCU is a module of the central control assembly; the MCU realizes different PWM signals through a program, so that the vibrating part 50 (a vibrating motor) vibrates in a strong-weak mode, or in a strong-slow sudden mode, or in a strong-weak-strong mode and other modes, and the pulse conditions of different types of pulses are simulated by controlling the conversion time between the strong and weak modes;

the vibration force is changed by changing the driving voltage of the vibration motor by the principle that the field effect transistor is driven by PWM pulse wave;

in summary:

the driving voltage of the motor is controlled to change the intensity of the vibration,

controlling the starting and stopping time of the fixed motor to change the vibration frequency,

the start-stop time and voltage of the motor are controlled to change according to a certain rule, so that the vibration of different pulse conditions is formed.

The rubber cover 30 is arranged outside the pressing cover 20, the pressing cover 20 is saddle-shaped, and the rubber cover 30 is made of flexible silica gel and can better simulate the skin of a human body; the upper portions of the pressing cap 20 and the rubber cap 30 are both arc-shaped to make the touch more like a blood vessel.

When the elastic member 60 is not compressed, the distance between the pressing cover 20 and the hall element 40 is greater than the length of the magnetic member 70.

The lower end of the rubber cover 30 is connected with the shell 10, so that the whole equipment forms a whole;

the outer diameter of the pressing cover 20 is matched with the inner diameter of the shell 10, and the outer diameter of the pressing cover 20 is smaller than the inner diameter of the shell 10; when the pressing cap 20 moves in the housing 10, the pressing cap 20 does not contact the housing 10.

The pressing cap 20 is movable up and down in the housing 10.

The utility model discloses a working method does:

the rubber cover 30 is pressed by a finger, when the finger presses downwards with force, the pressing cover 20 is pressed downwards, at this time, the pressing cover 20 moves downwards, the elastic piece 60 is compressed, the magnetic piece 70 also moves downwards along with the pressing cover 20, and the magnetic piece 70 moves close to the Hall element 40;

as the magnetic member 70 approaches the hall element 40, the MCU reads the voltage value output from the hall element, thereby reflecting the distance between the magnetic member 70 and the hall element 40;

and then the MCU realizes the control of the vibration piece 50 through PWM speed regulation according to the data.

All references to "up and down" herein with respect to the orientation of FIG. 1 are for convenience of description and do not have any other special meaning.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims

1. A pulse simulation device comprising a housing (10), characterized in that:

a Hall element (40) is arranged at the lower part in the shell (10);

the upper part of the shell (10) is provided with a pressing cover (20), the lower part of the pressing cover (20) is provided with a magnetic part (70) and a vibrating part (50), and the magnetic part (70) is positioned between the pressing cover (20) and the Hall element (40);

an elastic piece (60) is arranged at the lower part of the pressing cover (20), and one end, far away from the pressing cover (20), of the elastic piece (60) is connected to the shell (10) or the Hall element (40);

the Hall element (40) and the vibration piece (50) are electrically connected with the central control component;

and a rubber cover (30) is arranged outside the pressing cover (20).

2. A pulse simulation apparatus according to claim 1, wherein: when the elastic piece (60) is not compressed, the distance between the pressing cover (20) and the Hall element (40) is larger than the length of the magnetic piece (70).

3. A pulse simulation apparatus according to claim 1, wherein: the lower end of the rubber cover (30) is connected with the shell (10).

4. A pulse simulation apparatus according to claim 1, wherein: the outer diameter of the pressing cover (20) is matched with the inner diameter of the shell (10).

5. The pulse simulator of claim 4, wherein: the pressing cap (20) is movable up and down in the housing (10).

6. The pulse simulator of claim 5, wherein: the outer diameter of the pressing cover (20) is smaller than the inner diameter of the shell (10); when the pressing cap (20) moves in the housing (10), the pressing cap (20) does not contact the housing (10).

7. A pulse simulation apparatus according to claim 1, wherein: the pressing cover (20) is saddle-shaped.