WO2017079858A1

WO2017079858A1 - Light source lifting data measuring device

Info

Publication number: WO2017079858A1
Application number: PCT/CN2015/000775
Authority: WO
Inventors: 石丽
Original assignee: 石丽
Priority date: 2015-11-10
Filing date: 2015-11-10
Publication date: 2017-05-18

Abstract

A light source lifting data measuring device for obtaining light source lifting data by using a potentiometer. The device comprises: a motor (2) fixed on a support member (1); a bearing (4) embedded in a first receiving portion on the support member (1); a first embedded member (5) fixed between the motor (2) and the bearing (4); a potentiometer (6) fixed on the support member (1); a second embedded member (8) embedded in the potentiometer (6); a drive connection member (9) mounted in grooves on side surfaces of the first embedded member (5) and the second embedded member (8). In the measuring device, the motor (2), when it rotates, simultaneously rotates the first embedded member (5) embedded in the motor (2) so as to form synchronous rotation, then the first embedded member (5) drives the drive connection member (9) to rotate, the drive connection member (9) drives the second embedded member (8) embedded in the potentiometer (6) to rotate, and synchronously drives the potentiometer (6) to rotate, finally, a single-chip microcomputer recodes data of the potentiometer (6). Therefore, the motor (2), when it rotates, can drive the potentiometer (6) to rotate, and light source lifting data can be obtained by reading a numerical value of the potentiometer (6).

Description

Light source lifting data detecting device

Technical field

The invention relates to a device and a method for acquiring data of a light source lifting and lowering, and more particularly to a device for detecting a light source lifting data using a potentiometer.

Background technique

In the medical process, there are often many occasions where it is necessary to lift and adjust an illumination source such as a surgical shadow lamp (including other light sources such as a radiation source). In the device for lifting and adjusting the light source, it is extremely advantageous to be able to detect and record the height of the lift. At present, many light source lifting devices are powered by electric motors and motors for automatic control. In the process of automatic control, it is indispensable to detect and record the height of the light source. In devices involving recording motor data and controlling motor motion, commonly used height sensors have a length sensor, particularly a linear length sensor. Such linear length sensors have high requirements on the spatial position. Generally, the installation position space of the linear length sensor should be considered. In the course of use, the influence of the rising motion of the linear length sensor should be taken into consideration, and the necessary space is reserved for it. This undoubtedly sets an obstacle to the space optimization design of the shadowless lamp. Modern surgical shadowless lamps require perfect shape in addition to the requirements for concentrating. Ultra-thin and streamlined models are the development trend. Therefore, the internal space of the lampshade of surgical shadowless lamps has a very large limit for linear length sensors. system.

Summary of the invention

The technical problem to be solved by the present invention is to reduce the space requirement in the design process of the shadowless lamp according to the current state of the art, and to provide a device for obtaining the lifting and lowering of the light source by using a potentiometer, which can obtain the motor lifting data by the potentiometer, thereby saving space. And realize the problem of the controllable function of the motor.

To achieve the above object, the present invention is achieved by the following technical solutions:

A light source lifting data detecting device, comprising: a support member, a motor, a bearing, a first inserting member, a potentiometer, a second inserting member, and a transmission connecting member, wherein the supporting member is provided with a first receiving portion and a second portion a housing; the motor has a fixed portion and a rotating portion; the bearing is embedded in the first receiving portion on the support; the first insert has a first portion and a second portion, the second portion of which is embedded in the inner side of the bearing, and the rotating portion of the motor Embedding the inner side of the second portion such that the rotation of the rotating portion of the motor can drive the first insert to rotate therewith; the potentiometer has a fixed base portion and a rotating shaft portion, the fixed base portion being fixed to the second receiving portion of the support member a second insert embedded in the rotating shaft portion of the potentiometer; the transmission connector connecting the first insert and the second insert, such that the rotation of the first insert can drive the second insert to rotate therewith, thereby The rotation axis of the potentiometer is also rotated.

Preferably, the rotating portion of the motor is a rotating shaft capable of outputting power and/or motion. Preferably, the first side wall of the first insert has a groove, the side wall of the second insert has a groove, and the transmission connector is embedded in the first insert, The two inserts are in the grooves of the side walls.

Preferably, the support member and the fixed portion of the motor are fixedly coupled together by the first connecting member. Preferably, the rotating shaft portion of the potentiometer is fixedly coupled to the support member via the second connecting member. Preferably, the second connecting member is a nut corresponding to the thread on the base portion of the potentiometer.

Preferably, the first insert and the rotating part of the motor are in an expansion type, and the second insert and the potentiometer rotating shaft are also expansively embedded.

Preferably, the data of the actual number of revolutions of the motor can be obtained by reading the data of the potentiometer. Preferably, there is also a calculation unit that calculates data of the light source lifting and lowering.

The invention also provides a method for obtaining the data of the light source lifting and lowering by using a potentiometer, wherein, by using any one of the above devices, the driving motor rotates to drive the first insert to rotate, and the second insert is rotated by the transmission connecting member, and finally The rotating shaft that drives the potentiometer rotates accordingly, and the data of the potentiometer can be read to obtain the data of the actual number of revolutions of the motor, and then the data of the light source lifting and lowering is calculated.

The light source lifting data detecting device and method according to the present invention have the following beneficial effects:

1. The support member is a one-time open molded part, and the opening can be ensured by the mold, especially the installation position of the motor and the potentiometer is guaranteed by it. The first insert is embedded in the rotating joint of the motor in an expansion manner, and is a solid connection, and the second insert is also embedded in the potentiometer rotating rod in an expanding manner, and belongs to Securely connected. Since the position of the motor and the potentiometer is determined by the support, it is ensured that the connector is stretched elastically across the recess of the insert block and the insert block. Therefore, when the motor is running, the embedded block rotates synchronously, and the embedded block is also rotated by the driving connector, and the potentiometer also rotates, so that the MCU can read the data on the potentiometer to obtain the purpose of the motor rotation data.

2. The support member is a one-time open molded part, which ensures the accuracy of the internal groove, so that the bearing is embedded in the groove of the fixed support member, and the insert block is embedded in the bearing. When the motor rotates, the embedded block rotates, and the bearing functions to eliminate the gap, and also plays a role of reducing friction, so that the operation of the motor is more comfortable.

DRAWINGS

The present invention will be further described in detail below based on the embodiments and the accompanying drawings.

1 is a perspective assembled view and an exploded view of a light source lifting data detecting device according to an embodiment of the present invention;

2 is a cross-sectional view of a light source elevation data detecting device in accordance with an embodiment of the present invention.

The technical features indicated by the reference numerals in the figure are: 1, support member; 2, motor; 3, first connector; 4, bearing; 5, first insert; 6, potentiometer; Connecting member; 8, second insert; 9, transmission connector;

detailed description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to Figure 1, a light source lifting data detecting device package in a preferred embodiment of the present invention Included: support member 1, motor 2, first connector member 3, bearing 4, first insert member 5 (optionally, the first insert member is an insert block), potentiometer 6, second connector member 7, The second insert 8 (optionally, the second insert is an insert block), the drive connector 9 (optionally, the drive link is a drive belt).

Wherein, the motor has a fixed portion (for example, a motor base) and a rotating portion (preferably, the rotating portion is a rotating shaft capable of outputting power and/or motion).

The potentiometer 6 has a rotating shaft and a base.

The support member 1 has a first receiving portion and a second receiving portion, wherein the first receiving portion has a bottom surface and a circumferential convex side surface, and the space formed by the bottom surface and the circumferential convex side surface is a bearing receiving portion in the bottom surface There is a hole through which the rotating portion of the motor passes; the second receiving portion is a hole through which the rotating shaft of the potentiometer can pass.

The bearing 4 is embedded in the bearing receptacle in the first receiving portion of the support member 1; the fixed portion of the support member 1 and the motor 2 is fixed by the first connecting member 3 (optionally, the first connecting member is at least one screw); The insert 5 has a first diameter portion at the upper end and a second diameter portion at the lower end, wherein the second diameter portion has a hole therein, the hole is insertable for the rotation shaft of the motor 2, and the second diameter portion is externally embedded in the bearing, The first insert 5 is fixedly secured between the rotating shaft of the motor 2 and the bearing.

The second insert 8 has a hole therein, which can be inserted into the rotary shaft of the potentiometer 6 The second insert 8 is firmly fixed to the rotating shaft of the potentiometer 6 in an expanding manner.

The rotating shaft of the potentiometer 6 passes through the second receiving portion of the support member 1 and fixes the second connecting member 7 to the fixed support member 1. Preferably, the second connecting member 7 is a nut that cooperates with the thread on the potentiometer 6.

The drive connector is sleeved over the sides of the first insert 5 and the second insert 8. Therefore, when the motor 2 is in operation, the first insert 5 is synchronously driven to rotate, and the second insert 8 is also rotated by the transmission connecting member 9, and the rotating shaft of the potentiometer 6 is also rotated, so that the potentiometer 6 is read. The data of the motor 2 can be obtained from the rotation data of the motor 2. Preferably, the data of the potentiometer 6 is read by a single chip microcomputer.

Preferably, the side of the first insert 5 has a groove, the side of the second insert 8 has a groove, and the transmission connector is embedded in the side groove of the first insert 5 and the groove of the side of the second insert 8. Transmission belt.

Referring to Fig. 2, the support member 1 is a one-time open molded piece having a plurality of holes formed therein, and the plurality of holes can be ensured by the mold, in particular, the mounting positions of the motor 2 and the potentiometer 6 are Guarantee.

The first insert 5 is embedded in the expansion joint of the motor 2 in an expansion manner, and is a solid connection. The second insert 8 is also embedded in the expansion rod on the rotating rod of the potentiometer 6 and is also a firm connection. Since the position of the motor 2 and the potentiometer 6 is determined by the support member 1, it is ensured that the connecting member 9 is opened and elastically bridged. An insert 5 and a recess of the second insert 8. Furthermore, the support member 1 is a one-time open molded part, ensuring the accuracy of the inner first receiving portion (for example, a groove) such that the bearing 4 is embedded in the first receiving portion of the support member 1, and the first insert member 5 is embedded in the bearing 4 in. When the motor 2 rotates, the first insert 5 is rotated, and the bearing 4 not only plays the role of eliminating the gap, but also reduces the friction, so that the operation of the motor 2 is more comfortable.

The invention can effectively realize the rotation of the potentiometer 6 when the motor 2 rotates, and the actual running circle number of the motor can be obtained by reading the value of the potentiometer 6 and then processing by the single chip microcomputer.

The invention also provides a method for obtaining the data of the light source lifting and lowering by using a potentiometer. The method uses the foregoing device to rotate the driving motor 2 to drive the first insert 5 to rotate, and the second insert 8 is rotated by the transmission connecting member 9 to finally The rotating shaft of the potentiometer 6 is rotated accordingly, and the data of the potentiometer can be read to obtain the data of the actual number of revolutions of the motor 2, and then the data of the light source lifting and lowering can be obtained by calculation.

It is to be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles of the invention, and any changes or substitutions that are readily apparent to those skilled in the art are within the scope of the presently disclosed technology. All should be covered by the scope of the present invention.

Claims

A light source lifting data detecting device comprises a support member (1), a motor (2), a bearing (4), a first insert (5), a potentiometer (6), a second insert (8), a transmission connector (9) wherein the support member (1) is provided with a first receiving portion and a second receiving portion; the motor (2) has a fixed portion and a rotating portion; and the bearing (4) is embedded in the first receiving portion of the support member (1) a first insert (5) having a first portion and a second portion, the second portion of which is embedded inside the bearing (4), and the rotating portion of the motor (2) is embedded inside the second portion, thereby causing the motor (2) The rotation of the rotating portion can drive the first insert (5) to rotate with it; the potentiometer (6) has a fixed base portion and a rotating shaft portion, and the fixed base portion is fixed to the second receiving of the supporting member (1) a second insert (8) embedded in the rotating shaft portion of the potentiometer (6); a transmission connector (9) connecting the first insert (5) and the second insert (8), so that The rotation of an insert (5) causes the second insert (8) to rotate with it, so that the axis of rotation of the potentiometer (6) also rotates.
The light source elevation data detecting device according to claim 1, wherein the rotating portion of the motor (2) is a rotating shaft capable of outputting power and/or motion.
The light source lifting data detecting device according to claim 1, wherein the first insert side wall of the first insert member (5) has a groove, and the side wall of the second insert member (8) has a groove, and the transmission connecting member (9) embedded in the recess of the side wall of the first insert (5) and the second insert (8).
The light source lifting data detecting device according to claim 1, characterized in that the fixing portion (1) and the fixed portion of the motor (2) are fixedly coupled together by the first connecting member (3).
The light source elevation data detecting device according to claim 1, characterized in that the rotating shaft portion of the potentiometer (6) is fixedly coupled to the support member via the second connecting member (7).
The light source lifting data detecting device according to claim 5, wherein the second connecting member (7) is a nut corresponding to a thread on a base portion of the potentiometer (6).
The light source lifting and lowering data detecting device according to claim 1, wherein the first insert member and the rotating portion of the motor are in an expansion type, and the second insert member and the potentiometer rotating shaft are also in an expansion type.
The light source elevation data detecting apparatus according to claim 1, wherein the data of the actual number of revolutions of the motor (2) is obtained by reading the data of the potentiometer.
The light source elevation data detecting device according to claim 8, further comprising a calculation unit that calculates data for raising and lowering the light source.
A method for obtaining data of a light source lifting and lowering by using a potentiometer, characterized in that, by using the device according to any one of claims 1-9, the driving motor (2) rotates to synchronously drive the first insert (5) to rotate. The second insert (8) is rotated by the transmission connecting member (9), and finally the rotating shaft of the potentiometer (6) is rotated synchronously, and the data of the potentiometer is read. The data of the actual number of revolutions of the motor (2) can be obtained, and the data of the light source lifting and lowering can be obtained through calculation.