WO2011147203A1

WO2011147203A1 - Positioning control device for transmission

Info

Publication number: WO2011147203A1
Application number: PCT/CN2011/070294
Authority: WO
Inventors: 郭建刚; 刘有辉
Original assignee: 广东新宝电器股份有限公司
Priority date: 2010-05-28
Filing date: 2011-01-15
Publication date: 2011-12-01
Also published as: CN101865284A

Abstract

A positioning control device for a transmission comprises a driven element (1) connected with a rotating component of the transmission and at least one photoelectric coupler (2) mounted on the fixed components of the transmission, wherein the photoelectric coupler (2) has a transmitter (21) and a receiver (22). The driven element (1) is installed between the transmitter (21) and the receiver (22) of the photoelectric coupler (2). The signal output end of the receiver (22) is connected with the signal input end of a pulse signal processing circuit (3), and the signal output end of the pulse signal processing circuit (3) is connected with a central processor. The structure of controlling an on-off signal in a non-contact manner is formed between one straight edge of the driven element and the photoelectric coupler, and the on-off control signal by reference to a line effectively improves the accuracy of the positioning control for the transmission. The non-contact control can completely avoid the misoperation problem caused by the mechanical damage of a positioning control device in a mechanical contact manner, thereby effectively improving the overall performance and the service life.

Description

Transmission positioning control device

Technical field

The invention relates to a transmission positioning control device, in particular to a transmission positioning control device suitable for a coffee machine brewing system, and belongs to a modification technology of a transmission positioning control device.

Background technique

The existing transmission positioning control device, such as the transmission positioning control device used in the fully automatic coffee machine brewing system, has two types: a mechanical switch transmission positioning control device and a Hall switch transmission positioning control device. Schematic diagram of the mechanical switch transmission positioning control device is shown in FIG. 1 , which uses the boss 6 on the shift gear 4 to touch the mechanical switch 5, plus the mechanical action of the mechanical switch 5 itself, the motion wear of the double mechanical action and The motion error in the mechanical motion mechanism greatly reduces the control accuracy, increases the probability of malfunction, and shortens the life of the machine. The structure diagram of the Hall switch transmission positioning control device is shown in FIG. 2. Although it is a non-contact type control device, since the Hall switch 7 must be triggered by the magnetic element 8, the magnetic element is greatly affected by the environment, and the magnetic flux of the magnetic element is inconsistent. And the magnetic lines of force of the magnetic element are distributed in a ring shape, not in a linear distribution. Therefore, the life of the Hall switch transmission positioning control device is solved, but the accuracy is not up to standard.

technical problem

The object of the present invention is to provide a transmission positioning which can effectively improve the positioning control precision of the transmission, avoid the malfunction of the mechanical contact of the mechanical touch mode positioning control device, and thereby effectively increase the performance and life of the whole machine. Control device. The invention has reasonable design, convenience and practicality.

Technical solution

The technical solution of the present invention is: a transmission positioning control device of the present invention, comprising: a driven element coupled to a rotating component of the transmission; and at least one photocoupler mounted on the fixed part of the transmission, wherein the photocoupler includes a transmitter and The receiver and the driven component are disposed at a position between the transmitter and the receiver of the photocoupler, and the signal output end of the receiver is connected to the signal input end of the pulse signal processing circuit, and the signal output of the pulse signal processing circuit The end is connected to the central processor.

The driven element is coupled to an active component of the transmission or to a driven component of the transmission.

The above transmission is a gear transmission, and the driven element is coupled to the last stage gear of the gear transmission.

The driven element is a disc or sector structure that is coupled to the last stage gear of the gear shift.

The above-mentioned driven element is made separately, and then connected to the final gear of the transmission, or the driven element is integrally formed with the final gear of the transmission.

The above-mentioned photoelectric coupler includes two photoelectric couplers respectively for controlling the positioning of the two different steerings of the transmission, and is respectively installed at different positions of the gear of the last stage of the transmission.

Beneficial effect

The invention adopts a structure in which a straight edge of the driven component and the photoelectric coupler form a non-contact control on/off signal, and the line-based control on/off signal effectively improves the positioning control precision of the transmission, and is non-contact. The control of the type avoids the malfunction of the mechanical damage of the mechanical touch control positioning device, thereby effectively increasing the performance and life of the whole machine. The invention is a transmission positioning control device with ingenious design, excellent performance and convenient and practical use.

DRAWINGS

1 is a schematic structural view of a prior art;

2 is a schematic structural view of a prior art;

Figure 3 is a schematic structural view of the present invention;

Figure 4 is a side view of Figure 3;

FIG. 5 is a schematic structural diagram of a pulse signal processing circuit connected to a photocoupler and a central processing unit.

BEST MODE FOR CARRYING OUT THE INVENTION

Example:

A schematic structural view of the present invention, as shown in FIG. 3, includes a driven element 1 coupled to a rotating member of the transmission, and at least one photocoupler 2 mounted on the fixed portion of the transmission. The photocoupler 2 includes a transmitter 21 and a receiver 22, and the driven element 1 is disposed at a position between the transmitter 21 and the receiver 22 of the photocoupler 2, and the signal output end of the receiver 22 is The signal input terminal of the pulse signal processing circuit 3 is connected, and the signal output terminal of the pulse signal processing circuit 3 is connected to the central processing unit 9. As shown in FIG. 5, the signal output terminal of the receiver 22 is connected to the signal input terminal of the pulse signal processing circuit 3 via a wire 10, and the signal output terminal of the pulse signal processing circuit 3 is connected to the central processing unit 9 via a wire 10. The pulse signal processing circuit 3 and the central processing unit 9 can be mounted on the transmission or mounted outside the transmission.

The driven element 1 described above is connected to the active part of the transmission or to the driven part of the transmission. In the present embodiment, the driven element 1 is coupled to a driven member of the transmission.

In the present embodiment, the above-described transmission is a gear transmission, and the driven element 1 is coupled to the last stage gear 4 of the gear transmission.

The driven element 1 described above can be made in the form of a disc or a sector which is connected to the last stage gear 4 of the gear transmission. In the present embodiment, the driven element 1 has a disk-shaped structure.

In practical applications, the above-mentioned driven element 1 can be made separately, and then connected to the final gear of the transmission, or the driven element 1 can be integrally formed with the final gear of the transmission. In the present embodiment, in order to facilitate the processing and installation, the above-mentioned driven element 1 is separately made and then connected to the final gear of the transmission.

In this embodiment, the above-mentioned photoelectric coupler 2 includes two photoelectric couplers respectively for controlling the positioning of the two different steerings of the transmission, and are respectively installed at different positions of the gear of the last stage of the transmission.

The principle of operation of the present invention is as follows: The present invention is mounted on a transmission to form an attachment to the transmission. The driven element 1 is between the transmitter and receiver of the photocoupler 2. The driven element 1 cooperates with the transmitter and receiver of the photocoupler 2 to complete the on-off signal while synchronously rotating with the final stage gear 4 of the reducer. Formed and converted into a low frequency electronic pulse signal, the low frequency electronic pulse signal is filtered by the pulse signal processing circuit 3 processing circuit. It is sent to the central processing unit 9 to complete the positioning control function of the speed reducer. The structure of the two photoelectric couplers 2 can be identical, except that the assembly angles are different, and the positioning control functions of the two different steerings of the transmission are respectively performed in the same manner.

Claims

A transmission positioning control device characterized by comprising a driven element (1) coupled to a transmission rotating member, and at least one photoelectric coupling (2) mounted on the transmission fixing member, wherein the photoelectric coupling (2) includes There is a transmitter (21) and a receiver (22), and the driven element (1) is mounted at a position between the transmitter (21) and the receiver (22) of the photocoupler (2), and the receiver The signal output terminal of (22) is connected to the signal input terminal of the pulse signal processing circuit (3), and the signal output terminal of the pulse signal processing circuit (3) is connected to the central processing unit (9).
A transmission positioning control device according to claim 1, characterized in that said driven element (1) is connected to an active part of the transmission or to a driven part of the transmission.
The transmission position control apparatus according to claim 2, wherein said transmission is a gear transmission, and the driven element (1) is coupled to a final stage gear of the gear transmission.
The transmission position control device according to claim 3, characterized in that said driven element (1) is a disc-shaped or sector-shaped structure which is coupled to the last stage gear of the gear transmission.
A transmission positioning control apparatus according to claim 4, wherein said driven member (1) is separately formed and then coupled to the final gear of the transmission, or the driven member (1) is integrated with the final gear of the transmission. Out.
A transmission positioning control device according to claim 5, wherein said photoelectric coupler (2) comprises two photoelectric couplers for respectively controlling the two different steering positions of the transmission, respectively, which are respectively installed at the end of the transmission. The first gear is in different positions.