CN110859607A - Pulse wave generating device - Google Patents
Pulse wave generating device Download PDFInfo
- Publication number
- CN110859607A CN110859607A CN201911314694.5A CN201911314694A CN110859607A CN 110859607 A CN110859607 A CN 110859607A CN 201911314694 A CN201911314694 A CN 201911314694A CN 110859607 A CN110859607 A CN 110859607A
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- China
- Prior art keywords
- pulse wave
- elastic transmission
- cam
- wave generating
- generating device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4854—Diagnosis based on concepts of traditional oriental medicine
Abstract
The invention provides a pulse wave generating device, and belongs to the technical field of pulse wave generation. The pulse wave generating device comprises a cam, a rolling part, an elastic transmission part and a forming part, wherein the rolling part is attached to the surface of the cam, the first end of the elastic transmission part is connected with the rolling part, and the second end of the elastic transmission part is connected with the forming part. The elastic transmission piece can convert displacement variation generated in the rotation process of the cam into mechanical variation so as to form corresponding pulse waves on the surface of the forming piece. The pulse wave generating device can accurately control the mechanical quantity at each moment through the change of the rotating radius of the cam and the elastic coefficient of the elastic transmission part; by designing the shape of the cam, any pulse wave vibration source which meets the application requirements is obtained.
Description
Technical Field
The invention belongs to the technical field of pulse wave mechanics generation, and particularly relates to a pulse wave generating device.
Background
The pulse diagnosis of traditional Chinese medicine has more than two thousand years of clinical practice, which is one of the essentials in the four diagnostic methods of traditional Chinese medicine in China. The pulse information has very important significance in the clinical aspect of traditional Chinese medicine. In the field of traditional Chinese medicine pulse-taking research or teaching, pulse feeling skills are complex and difficult to master and apply, subjective factors of doctors are greatly influenced, diagnosis standards are different, and a unified pulse beating auxiliary tool is lacked, so that the traditional Chinese medicine research or the inheritance is increasingly difficult. In order to solve the dilemma, the invention provides a device capable of stably reproducing pulse beat.
Disclosure of Invention
The present invention is directed to at least one of the problems of the prior art, and provides a pulse wave generator.
The invention provides a pulse wave generating device which comprises a cam, a rolling part, an elastic transmission part and a forming part, wherein the rolling part is attached to the surface of the cam, the first end of the elastic transmission part is connected with the rolling part, the second end of the elastic transmission part is connected with the forming part, and the elastic transmission part can convert displacement variation generated in the rotation process of the cam into mechanical variation so as to form corresponding pulse waves on the surface of the forming part.
Optionally, the elastic transmission is a linear elastic transmission.
Optionally, the linear elastic transmission member is a linear spring.
Optionally, the pulse wave generating device further includes a limiting member, a first end of the limiting member along the thickness direction is connected to a second end of the elastic transmission member, and a second end of the limiting member along the thickness direction is connected to the forming member, so as to limit the moving range of the elastic transmission member to one side of the forming member facing the limiting member.
Optionally, the limiting member includes a connecting portion and a limiting portion formed by the connecting portion sinking toward the forming member, the connecting portion and the forming member are arranged at an interval, and the limiting portion abuts against the forming member and accommodates the elastic transmission member.
Optionally, the connecting portion includes a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are symmetrically disposed on two sides of the limiting portion.
Optionally, the forming member is made of a flexible skin-like material.
Optionally, the rolling element is a rolling bearing.
Optionally, the profile of the cam adopts a preset irregular profile.
Optionally, during the rotation of the cam, a line connecting the center of the rolling member and the center of the cam is perpendicular to a horizontal plane.
The pulse wave generating device comprises a cam, a rolling piece, an elastic transmission piece and a forming piece, wherein the rolling piece is attached to the surface of the cam, the first end of the elastic transmission piece is connected with the rolling piece, and the second end of the elastic transmission piece is connected with the forming piece. The elastic transmission piece can convert displacement variation generated in the rotation process of the cam into mechanical variation so as to form corresponding pulse waves on the surface of the forming piece. The pulse wave generating device can accurately control the mechanical quantity at each moment through the change of the rotating radius of the cam and the elastic coefficient of the elastic transmission part; by designing the shape of the cam, any pulse wave vibration source which meets the application requirements is obtained.
Drawings
FIG. 1 is a schematic structural diagram of a pulse wave generator according to a first embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a relationship between a cam rotation radius and a generated pulse wave waveform in a cam rotation period of a pulse wave generator according to a second embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a pulse wave generating device 100 includes a cam 110, a rolling member 120, an elastic transmission member 130 and a forming member 140, wherein the rolling member 120 is attached to the surface of the cam 110, a first end of the elastic transmission member 130 is connected to the rolling member 120, and a second end of the elastic transmission member 130 is connected to the forming member 140. The elastic transmission member 130 can convert the displacement variation generated during the rotation of the cam 110 into a mechanical variation, so as to form a corresponding pulse wave on the surface of the forming member 140.
The pulse wave mechanics generating device of this embodiment, based on the rotation of cam 110, through extrusion elastic transmission spare 130, convert the displacement volume of the change that the cam 110 rotation in-process produced into the mechanical quantity of change to can form corresponding pulse wave on forming 140 surfaces, and then can realize that anthropomorphic dummy's pulse beats. Therefore, the pulse wave mechanics generating device of the embodiment can provide a unified pulse beating auxiliary tool for doctors and workers, and can accurately restore pulse wave mechanics quantity, and the pulse wave mechanics generating device has great significance to aspects of traditional Chinese medicine teaching, pulse condition research and the like.
It should be noted that, the specific structure of the rolling element 120 is not limited, for example, the rolling element 120 may be a ball, or the rolling element 120 may also be a rolling bearing, or some other structure capable of achieving rolling, and the embodiment is not limited in particular.
It should be further noted that, the specific structure of the elastic transmission member 130 is not limited, for example, the elastic transmission member 130 may be a spring transmission member, or the elastic transmission member 130 may also be a rubber transmission member, or some other structure capable of achieving elastic transmission, and this embodiment is not limited in particular.
It should be noted that, although there is no limitation on the specific structure of the forming member 140, the forming member 140 may be made of flexible material, so that when the mechanical quantity is transmitted to the forming member 140, the surface of the forming member 140 can precisely form wave motion consistent with the mechanical quantity, thereby precisely recovering the pulse wave mechanical quantity. Of course, the specific material for forming the forming member 140 is not limited thereto, and those skilled in the art may select other materials to form the forming member 140 according to actual needs, which is not limited in this embodiment.
Illustratively, the elastic transmission member 130 is a linear elastic transmission member, so that when the cam 110 generates a varying displacement during rotation, the elastic transmission member 130 can linearly convert the varying displacement into a varying mechanical quantity, and realize synchronous conversion with the varying displacement, thereby more accurately restoring the pulse wave mechanical quantity. Preferably, this linear elastic transmission spare adopts linear spring, and linear spring simple structure to can effectively convert the displacement volume that changes into accurate mechanical quantity.
Illustratively, as shown in fig. 1, the pulse wave generating device 100 further includes a stopper 150. A first end of the limiting member 150 along the thickness direction is connected to the second end of the elastic transmission member 130, and a second end of the limiting member 150 along the thickness direction is connected to the forming member 140, that is, as shown in fig. 1, a lower portion of the limiting member 150 is connected to the elastic transmission member 130, and an upper portion of the limiting member 150 is connected to the forming member 140 to support the forming member 140. In addition, the limiting component 150 can effectively limit the moving range of the elastic transmission component 130 to one side of the forming component 140 facing the limiting component 150, that is, the up-down moving range of the elastic transmission component 130 is limited below the forming component 140, so as to prevent the elastic transmission component 130 from separating from the forming component 140, and further accurately restore the pulse wave dynamic quantity.
It should be noted that, the specific structure of the limiting member 150 is not limited, and it is only required to satisfy the requirement of effectively supporting the forming member 140 on one hand, and to limit the moving range of the elastic transmission member 130 on the other hand, which is not limited in this embodiment.
Exemplarily, as shown in fig. 1, the limiting member 150 includes a connecting portion 151 and a limiting portion 152 recessed from the connecting portion 151 to the forming member 140, the connecting portion 151 and the forming member 140 are disposed at an interval, and the limiting portion 152 abuts against the forming member 140 and receives the elastic transmission member 130. The stopper 150 thus provided can adjust the area of the region where the pulse wave is generated by the pulse generator 100 by adjusting the cross-sectional area of the stopper 152.
Illustratively, as shown in fig. 1, the connection part 151 includes a first connection part 151a and a second connection part 151b, and the first connection part 151a and the second connection part 151b are symmetrically disposed at both sides of the stopper part 152, so that the stopper part 152 can be placed at a middle region of the forming member 140 to support the forming member 140, and thus, stable support of the forming member 140 can be achieved.
Illustratively, the forming member 140 is preferably made of a flexible skin-like material, and the forming member 140 made of the flexible skin-like material can form a pulse wave closer to the pulse vibration form of the skin on the surface of the human body, so that more accurate reduction of the pulse wave mechanical quantity can be realized.
Illustratively, the rolling member 120 preferably employs a rolling bearing. This is because, when the rolling bearing is selected to roll on the cam 110, it can reduce the frictional resistance with the cam 110, can effectively reduce power consumption, and in addition, the rolling bearing is standardized in size, has interchangeability, and is convenient for installation and disassembly, and convenient for maintenance. In addition, the rolling bearing also has the advantages of high precision, large load, small abrasion, long service life and the like.
Illustratively, in order to more accurately restore the pulse wave mechanical quantity, as shown in fig. 1, the profile of the cam 110 in the embodiment of the present invention adopts a preset irregular profile, so that the mechanical quantity at each moment can be accurately controlled through the change of the rotation radius of the irregular cam and the elastic coefficient of the linear elastic member, thereby obtaining any pulse wave vibration source according to the requirement through the design of the shape of the irregular cam.
It will be understood that the profile of the cam 110 can be designed according to actual needs, and the profile is not limited to the profile shown in fig. 1, but those skilled in the art can also design other more complex profiles according to actual needs, so as to obtain a satisfactory pulse wave vibration source.
The following describes the operation of the pulse wave generator 100 of the present invention:
referring to fig. 1 and 2 together, during the rotation of the cam 110, a connection line between the center of the rolling element 120 and the center of the cam 110 is perpendicular to the horizontal plane, that is, during the rotation of the cam, the rolling element 120 is always kept vertically above, the distance from the rolling element 120 to the rotation center of the cam 110 is R, the elastic coefficient of the elastic transmission element 130 is K, and the shape and the material are not limited.
The pulse wave generating device can accurately control the mechanical quantity at each moment through the change of the rotating radius of the cam and the elastic coefficient of the elastic material; any pulse wave vibration source which meets the application requirement is obtained through the design of the shape of the irregular cam; adopts the surface flexible skin-imitated covering to obtain the pulse wave which is closer to the pulse vibration form of the skin on the surface of the human body.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a pulse wave generating device, its characterized in that includes cam, rolling member, elastic transmission spare and formation piece, the rolling member is attached in cam surface, elastic transmission spare's first end with the rolling member links to each other, elastic transmission spare's second end with the formation piece links to each other, wherein, elastic transmission spare can with the produced displacement variation volume of cam rotation in-process converts the mechanics variation volume to form the pulse wave that corresponds on the surface.
2. The pulse wave generating device according to claim 1, wherein the elastic transmission member is a linear elastic transmission member.
3. The pulse wave generating device according to claim 2, wherein the linear elastic transmission member is a linear spring.
4. The pulse wave generating device according to claim 1, further comprising a limiting member, wherein a first end of the limiting member in the thickness direction is connected to a second end of the elastic transmission member, and a second end of the limiting member in the thickness direction is connected to the forming member, so as to limit the moving range of the elastic transmission member to a side of the forming member facing the limiting member.
5. The pulse wave generator according to claim 4, wherein the stopper includes a connecting portion and a stopper portion formed by being recessed from the connecting portion toward the forming member, the connecting portion is spaced apart from the forming member, and the stopper portion abuts against the forming member and receives the elastic transmission member.
6. The pulse wave generating device according to claim 5, wherein the connecting portion includes a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are symmetrically disposed on both sides of the position limiting portion.
7. The pulse wave generating apparatus according to any one of claims 1 to 6, wherein the forming member is made of a flexible skin-like material.
8. Pulse wave generation device according to any one of claims 1 to 6, characterized in that the rolling elements are rolling bearings.
9. The pulse wave generating device according to any one of claims 1 to 6, wherein the cam has a profile that adopts a predetermined irregular profile.
10. The pulse wave generating apparatus according to any one of claims 1 to 6, wherein a line connecting a center of the rolling member and a center of the cam is perpendicular to a horizontal plane during rotation of the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314694.5A CN110859607A (en) | 2019-12-19 | 2019-12-19 | Pulse wave generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314694.5A CN110859607A (en) | 2019-12-19 | 2019-12-19 | Pulse wave generating device |
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| Publication Number | Publication Date |
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| CN110859607A true CN110859607A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911314694.5A Pending CN110859607A (en) | 2019-12-19 | 2019-12-19 | Pulse wave generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603285A (en) * | 2020-12-23 | 2021-04-06 | 中科彭州智慧产业创新中心有限公司 | Controllable mechanics generator |
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| CN106205324A (en) * | 2016-05-31 | 2016-12-07 | 福州金典工业产品设计有限公司 | A kind of pulse condition simulator |
| KR101865498B1 (en) * | 2017-01-31 | 2018-06-08 | 한국표준과학연구원 | Portable radial pulsation simulator and method for simulating radial pulsation based on cam mechanism |
| US20180238718A1 (en) * | 2013-07-17 | 2018-08-23 | Masimo Corporation | Double-bearing position encoder for non-invasive physiological monitoring |
| KR20190044721A (en) * | 2017-10-20 | 2019-05-02 | 한국 한의학 연구원 | Pressure Pulse wave simulator and method for simulating using the simulator |
| KR20190044720A (en) * | 2017-10-20 | 2019-05-02 | 한국 한의학 연구원 | Pressure pulse simulator with reflected wave and method for simulating radial pulsation based on cam mechanism |
-
2019
- 2019-12-19 CN CN201911314694.5A patent/CN110859607A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884024A (en) * | 2005-06-24 | 2006-12-27 | 虹光精密工业（苏州）有限公司 | Paper separation mechanism capable of adjusting paper separation force |
| US20180238718A1 (en) * | 2013-07-17 | 2018-08-23 | Masimo Corporation | Double-bearing position encoder for non-invasive physiological monitoring |
| CN106205324A (en) * | 2016-05-31 | 2016-12-07 | 福州金典工业产品设计有限公司 | A kind of pulse condition simulator |
| KR101865498B1 (en) * | 2017-01-31 | 2018-06-08 | 한국표준과학연구원 | Portable radial pulsation simulator and method for simulating radial pulsation based on cam mechanism |
| KR20190044721A (en) * | 2017-10-20 | 2019-05-02 | 한국 한의학 연구원 | Pressure Pulse wave simulator and method for simulating using the simulator |
| KR20190044720A (en) * | 2017-10-20 | 2019-05-02 | 한국 한의학 연구원 | Pressure pulse simulator with reflected wave and method for simulating radial pulsation based on cam mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112603285A (en) * | 2020-12-23 | 2021-04-06 | 中科彭州智慧产业创新中心有限公司 | Controllable mechanics generator |
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Application publication date: 20200306 |