CN220421800U

CN220421800U - Photoelectric isolating switch capable of preventing internal mutual interference

Info

Publication number: CN220421800U
Application number: CN202322106828.2U
Authority: CN
Inventors: 徐国英
Original assignee: Shenzhen Kaiyisi Electronics Co ltd
Current assignee: Shenzhen Kaiyisi Electronics Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-01-30
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses a photoelectric isolating switch capable of preventing internal mutual interference, which relates to the technical field of photoelectric isolating switches and comprises a shell and a baffle, wherein the middle part of the shell is fixedly provided with the baffle, one side of the baffle is provided with an LED and a photodiode, the LED is electrically connected with the photodiode, the other side of the baffle is provided with a MOS (metal oxide semiconductor) tube, the photodiode is electrically connected with the MOS tube through a first wire, two conductive blocks are fixedly arranged at two ends of the inside of the shell, and two poles of the LED and the MOS tube are electrically connected with the corresponding conductive blocks through a second wire; the mounting groove is formed in one side of the conductive block, the binding post is inserted into the inner side of the mounting groove, and one end of the binding post extends to the outer side of the shell. The utility model can detach and replace the damaged binding post, and has convenient operation, time saving and labor saving.

Description

Photoelectric isolating switch capable of preventing internal mutual interference

Technical Field

The utility model relates to the technical field of photoelectric isolating switches, in particular to a photoelectric isolating switch capable of preventing internal mutual interference.

Background

At present, a common normally-closed photoelectric isolating switch device is generally composed of a light emitting diode, a photodiode and an MOS transistor, and the well-known nature of the working principle is quite obvious, so that the description is omitted here; in the prior art, in order to improve the integration level of the device, the three components are generally encapsulated in the same housing, so that the following problems are caused: because the MOS tube can be influenced by illumination, interference can be generated among various components, and the turn-off leakage current of the photoelectric isolating switch is obviously increased.

The utility model discloses a photoelectric isolating switch, which comprises a housin, the casing is interior to be packaged with LED emitting diode, photodiode and MOS pipe, casing inner structure forms two cavities, and LED emitting diode and photodiode are located first cavity, and the MOS pipe is located the second cavity, passes through wire electrical connection between photodiode module and the MOS pipe, the cavity surface scribbles the resin, the photodiode is connected with the spring thimble, LED emitting diode, photodiode and the equal series connection button switch of MOS pipe, the vertical both ends in casing edge are equipped with a set of terminal respectively, horizontal one side of casing is equipped with two sets of terminal, still has the defect in this technical scheme:

in this technical scheme, the terminal is directly packaged in the casing, and after the unexpected damage of bending of terminal, inconvenient direct change is needed to dismantle the casing, then rewelds, and the operation is very loaded down with trivial details, wastes time and energy.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with the conventional photoelectric isolating switch capable of preventing internal interference.

Accordingly, an object of the present utility model is to provide a photoelectric isolating switch capable of preventing internal interference, which solves the problems in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the photoelectric isolating switch comprises a shell and a baffle plate, wherein the middle part of the shell is fixedly provided with the baffle plate, one side of the baffle plate is provided with an LED and a photodiode, the LED and the photodiode are electrically connected, the other side of the baffle plate is provided with a MOS (metal oxide semiconductor) tube, the photodiode is electrically connected with the MOS tube through a first wire, two ends of the inside of the shell are fixedly provided with two conductive blocks, and two poles of the LED and the MOS tube are electrically connected with the corresponding conductive blocks through a second wire;

a mounting groove is formed in one side of the conductive block, a binding post is inserted into the inner side of the mounting groove, one end of the binding post extends to the outer side of the shell, and a limiting mechanism for limiting rotation of the binding post is arranged on the inner side of the mounting groove;

one side of the mounting groove is provided with a cavity, and a reset mechanism for pushing the binding post to move is arranged in the cavity.

Preferably, the limiting mechanism comprises a limiting column and limiting blocks, wherein the limiting column is fixedly arranged on two sides of the inside of the mounting groove, the limiting column is movably sleeved with the outer wall of the limiting column, and one side of the limiting block is fixedly connected with one end side wall of the binding post.

Preferably, the reset mechanism comprises a push plate and a push rod, a stop block is arranged in the cavity in a sliding manner, the push rod is fixedly arranged on one side, close to the binding post, of the stop block, one end of the push rod extends to the outer side of the cavity, the push plate is fixedly arranged on one end of the outer side of the push rod, the push plate is abutted to one end of the binding post, a spring is fixedly arranged on one side, away from the push rod, of the stop block, and the other end of the spring is fixedly connected with the inner wall of the cavity.

Preferably, an inner hexagonal groove is formed in the binding post.

Preferably, the connection part between the binding post and the outer wall of the shell is coated with sealant.

Preferably, the limiting block and the limiting post are made of conductive materials.

In the technical scheme, the utility model has the technical effects and advantages that:

according to the utility model, the socket wrench is used for inserting the broken inner hexagonal groove of the binding post, then the binding post is pushed, so that the limiting block is separated from the limiting post, then the binding post is rotated by 90 degrees, then the binding post is loosened, the stop block is pushed by the elastic force of the spring, so that the push rod pushes the push plate, namely, the residual binding post can be pushed out of the shell, namely, the damaged binding post can be taken out and replaced, the shell does not need to be opened, and the operation is convenient, time-saving and labor-saving.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a photoelectric isolating switch capable of preventing internal interference according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a schematic end view of the terminal post of fig. 2.

Reference numerals illustrate:

1. a housing; 2. a partition plate; 3. an LED light emitting diode; 4. a photodiode; 5. a MOS tube; 6. a conductive block; 7. binding posts; 8. a limiting block; 9. a limit column; 10. a push plate; 11. a push rod; 12. a stop block; 13. a spring; 14. an inner hexagonal groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a photoelectric isolating switch capable of preventing internal mutual interference.

Referring to fig. 1-3, a photoelectric isolating switch capable of preventing internal mutual interference comprises a shell 1 and a baffle plate 2, wherein the baffle plate 2 is fixedly arranged in the middle of the shell 1, an LED light-emitting diode 3 and a photodiode 4 are arranged on one side of the baffle plate 2, the LED light-emitting diode 3 and the photodiode 4 are electrically connected, an MOS tube 5 is arranged on the other side of the baffle plate 2, the photodiode 4 is electrically connected with the MOS tube 5 through a first wire, two conductive blocks 6 are fixedly arranged at two ends of the inside of the shell 1, and two poles of the LED light-emitting diode 3 and the MOS tube 5 are electrically connected with the corresponding conductive blocks 6 through a second wire;

one side of the conductive block 6 is provided with a mounting groove, the inner side of the mounting groove is inserted with a binding post 7, one end of the binding post 7 extends to the outer side of the shell 1, and the inner side of the mounting groove is provided with a limiting mechanism for limiting the rotation of the binding post 7;

one side of the mounting groove is provided with a cavity, and a reset mechanism for pushing the binding post 7 to move is arranged in the cavity.

The limiting mechanism comprises limiting columns 9 and limiting blocks 8, wherein the limiting columns 9 are fixedly arranged on two sides of the inside of the mounting groove, the limiting blocks 8 are movably sleeved with the outer walls of the limiting columns 9, and one sides of the limiting blocks 8 are fixedly connected with one end side wall of the binding post 7.

The reset mechanism comprises a push plate 10 and a push rod 11, a stop block 12 is arranged in the cavity in a sliding mode, the push rod 11 is fixedly arranged on one side, close to the binding post 7, of the stop block 12, one end of the push rod 11 extends to the outer side of the cavity, the push plate 10 is fixedly arranged at one end of the outer side of the push rod 11, the push plate 10 is abutted to one end of the binding post 7, a spring 13 is fixedly arranged on one side, far away from the push rod 11, of the stop block 12, and the other end of the spring 13 is fixedly connected with the inner wall of the cavity.

The interior of terminal 7 has seted up interior hexagonal groove 14, conveniently rotates terminal 7.

The connection part between the binding post 7 and the outer wall of the shell 1 is coated with sealant, so that the tightness of the shell 1 is improved.

The limiting block 8 and the limiting post 9 are made of conductive materials, so that the binding post 7 can conduct electricity stably.

In the utility model, when the socket wrench is used, the socket wrench is inserted into the inner hexagonal groove 14 of the broken binding post 7, then the binding post 7 is pushed, the limiting block 8 is separated from the limiting post 9, then the binding post 7 is rotated by 90 degrees, then the binding post 7 is loosened, the spring 13 elastically pushes the stop block 12, so that the push rod 11 pushes the push plate 10, namely, the residual binding post 7 can be pushed out of the shell 1, namely, the damaged binding post 7 can be taken out and replaced, the shell 1 does not need to be opened, and the socket wrench is convenient to operate, saves time and labor.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The photoelectric isolating switch capable of preventing internal mutual interference comprises a shell (1) and a partition board (2), and is characterized in that the partition board (2) is fixedly arranged in the middle of the shell (1), an LED (light-emitting diode) (3) and a photodiode (4) are arranged on one side of the partition board (2), the LED (light-emitting diode) (3) is electrically connected with the photodiode (4), an MOS (metal oxide semiconductor) tube (5) is arranged on the other side of the partition board (2), the photodiode (4) is electrically connected with the MOS tube (5) through a first lead, two conductive blocks (6) are fixedly arranged at two ends of the inside of the shell (1), and two poles of the LED (3) and the MOS tube (5) are electrically connected with the corresponding conductive blocks (6) through second leads;

a mounting groove is formed in one side of the conductive block (6), a binding post (7) is inserted into the inner side of the mounting groove, one end of the binding post (7) extends to the outer side of the shell (1), and a limiting mechanism for limiting rotation of the binding post (7) is arranged on the inner side of the mounting groove;

one side of the mounting groove is provided with a cavity, and a reset mechanism for pushing the binding post (7) to move is arranged in the cavity.

2. The photoelectric isolating switch capable of preventing internal mutual interference according to claim 1, wherein the limiting mechanism comprises limiting columns (9) and limiting blocks (8), the limiting columns (9) are fixedly arranged on two sides of the inside of the mounting groove, the limiting blocks (8) are movably sleeved with the outer walls of the limiting columns (9), and one side of each limiting block (8) is fixedly connected with one side wall of one end of each binding post (7).

3. The photoelectric isolating switch capable of preventing internal mutual interference according to claim 1, wherein the reset mechanism comprises a push plate (10) and a push rod (11), a stop block (12) is arranged in the cavity in a sliding manner, the push rod (11) is fixedly arranged on one side, close to the binding post (7), of the stop block (12), one end of the push rod (11) extends to the outer side of the cavity, the push plate (10) is fixedly arranged on one end of the outer side of the push rod (11), the push plate (10) is abutted against one end of the binding post (7), a spring (13) is fixedly arranged on one side, far away from the push rod (11), of the stop block (12), and the other end of the spring (13) is fixedly connected with the inner wall of the cavity.

4. Optoelectronic disconnector capable of preventing internal mutual interference according to claim 1, characterized in that the inside of the terminal (7) is provided with an internal hexagonal groove (14).

5. Optoelectronic disconnector capable of preventing internal mutual interference according to claim 1, characterized in that the connection of the terminal (7) with the external wall of the housing (1) is coated with a sealant.

6. Optoelectronic isolation switch capable of preventing internal interference according to claim 2, characterized in that the limit block (8) and the limit post (9) are made of conductive materials.