CN215815909U

CN215815909U - Anti-radiation type optical coupler

Info

Publication number: CN215815909U
Application number: CN202121865970.XU
Authority: CN
Inventors: 郑善林
Original assignee: Chengdu Chinar Integrated Technology Co ltd
Current assignee: Chengdu Hantong Integrated Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-11
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an anti-radiation type optocoupler which comprises a metal tube shell, a metal base, an inner magnetic sheet, a phototriode and a light-emitting diode, wherein the top of the metal tube shell is fixedly connected with the metal base, the inner magnetic sheet is arranged at the top of the metal base, the light-emitting diode is arranged at the top of the inner magnetic sheet, the phototriode is arranged inside the metal tube shell, and a metal cap is arranged at the top of the metal tube shell, the utility model has the beneficial effects that: through adding the metal cap, be convenient for prevent that signal transmission between the electrical components from receiving electromagnetic wave radiation's interference, still can prevent each electrical components protection of inside, prevent that each electrical components from damaging, the practicality is high, through adding stopper and spacing hole, is convenient for spacing when installing the metal cap, prevents the metal cap skew.

Description

Anti-radiation type optical coupler

Technical Field

The utility model relates to the technical field of optocouplers, in particular to an anti-radiation optocoupler.

Background

An Optical Coupler (OCEP) is also called a photoelectric isolator or a photoelectric coupler, and is called an optocoupler for short. The device is a device for transmitting electric signals by taking light as a medium, and usually a light emitter (an infrared Light Emitting Diode (LED)) and a light receiver (a photosensitive semiconductor tube and a photosensitive resistor) are packaged in the same tube shell. The existing optical coupler is poor in anti-interference performance, signals are easily interfered by electromagnetic wave radiation in the transmission process, so that the normal transmission of the signals is influenced, the sealing performance of the optical coupler is poor, internal oxidation damage is easily caused, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an anti-radiation type opto-coupler, includes metal tube, metal base, interior magnetic sheet, phototriode and emitting diode, the top fixedly connected with metal base of metal tube, metal base's top is equipped with interior magnetic sheet, the top of interior magnetic sheet is equipped with emitting diode, metal tube's inside is equipped with phototriode, metal tube's top is equipped with the metal cap.

And a metal cap is arranged at the top of the metal tube shell.

The inner magnetic sheet is bonded with the metal base through conductive adhesive, the light-emitting diode is bonded with the inner magnetic sheet through conductive adhesive, and the phototriode is bonded with the metal tube shell through conductive adhesive.

The bottom of the metal cap is provided with limiting blocks in an equidistant mode, and limiting holes matched with the limiting blocks are formed in the metal tube shell in an equidistant mode.

The phototriode and the light emitting diode are arranged in parallel.

The top of the metal cap is designed to be a rounded corner.

The metal cap is welded with the metal tube shell.

Compared with the prior art, the utility model has the beneficial effects that: through adding the metal cap, be convenient for prevent that signal transmission between the electrical components from receiving electromagnetic wave radiation's interference, still can prevent each electrical components protection of inside, prevent that each electrical components from damaging, the practicality is high, through adding stopper and spacing hole, is convenient for spacing when installing the metal cap, prevents the metal cap skew.

Drawings

FIG. 1 is a schematic view of the disassembled structure of the metal tube shell and the metal base of the present invention;

fig. 2 is a schematic structural diagram of the metal tube shell and the metal base of the present invention after sealing.

In the figure: 1. a metal tube shell; 2. a metal base; 3. a metal cap; 4. an inner magnetic sheet; 5. a photo transistor; 6. a light emitting diode; 7. a limiting hole; 8. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: including metal tube 1, metal base 2, interior magnetic sheet 4, phototriode 5 and emitting diode 6, metal tube 1's top fixedly connected with metal base 2, metal base 2's top is equipped with interior magnetic sheet 4, and the top of interior magnetic sheet 4 is equipped with emitting diode 6, and metal tube 1's inside is equipped with phototriode 5, and metal tube 1's top is equipped with metal cap 3.

The top of the metal tube shell 1 is provided with a metal cap 3, and the metal cap 3 can protect each internal electrical appliance element and prevent each electrical appliance element from being damaged.

Interior magnetic sheet 4 bonds through the conducting resin with metal base 2, and emitting diode 6 bonds through the conducting resin with interior magnetic sheet 4, and phototriode 5 bonds through the conducting resin with metal pipe shell 1, can install labour saving and time saving, to interior magnetic sheet 4, emitting diode 6 and phototriode 5 quick installation.

Fixed connection stopper 8 is opened to the bottom equidistance of metal cap 3, and metal tube 1's inside equidistance seted up with stopper 8 assorted spacing hole 7, be convenient for spacing when installing metal cap 3, prevent that metal cap 3 squints.

The phototriode 5 and the light emitting diode 6 are installed in parallel.

The top of the metal cap 3 is designed to be a fillet, the structure is simple, and the overall attractiveness is improved.

The metal cap 3 is welded with the metal tube shell 1 to realize air-tight packaging.

Specifically, when the utility model is used, the light emitting diode 6 emits light under the condition of forward power-on, the electric signal is converted into an optical signal, the optical signal is transmitted to the phototriode 5, the phototriode 5 converts the optical signal into the electric signal, so that the unidirectional transmission of the signal is realized, the phototriode 5 cannot emit light, the light emitting diode 6 cannot sense the optical signal, and the two chips are completely insulated, so that the signal can only be transmitted to the phototriode 5 from the light emitting diode 6, but the reverse signal cannot be fed back to the signal input end, the unidirectional transmission of the signal is realized, the interference of input stage signals and output stage signals is effectively isolated, the signal-to-noise ratio of a system can be improved, and the reliability and the stability of an interface device are improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-radiation type opto-coupler, includes metal tube (1), metal base (2), interior magnetic sheet (4), photo transistor (5) and emitting diode (6), its characterized in that, the top fixedly connected with metal base (2) of metal tube (1), the top of metal base (2) is equipped with interior magnetic sheet (4), the top of interior magnetic sheet (4) is equipped with emitting diode (6), the inside of metal tube (1) is equipped with photo transistor (5), the top of metal tube (1) is equipped with metal cap (3).

2. An anti-radiation optical coupler according to claim 1, characterized in that the top of the metal tube shell (1) is provided with a metal cap (3).

3. The anti-radiation type optical coupler as claimed in claim 2, wherein the inner magnetic sheet (4) is bonded with the metal base (2) through conductive adhesive, the light emitting diode (6) is bonded with the inner magnetic sheet (4) through conductive adhesive, and the phototriode (5) is bonded with the metal tube (1) through conductive adhesive.

4. The anti-radiation type optical coupler as claimed in claim 3, wherein the bottom of the metal cap (3) is fixedly connected with limit blocks (8) at equal intervals, and limit holes (7) matched with the limit blocks (8) are formed in the metal tube shell (1) at equal intervals.

5. An anti-radiation optical coupler according to claim 4, characterized in that the phototriode (5) and the light emitting diode (6) are mounted in parallel.

6. An anti-radiation optical coupler according to claim 5, characterized in that the top of the metal cap (3) is of rounded design.

7. An anti-radiation optical coupler according to claim 6, characterized in that the metal cap (3) is welded with the metal tube shell (1).