CN205984967U - Triode transistor - Google Patents

Abstract

The utility model discloses a triode transistor, including the plastic -sealed body, the outside of plastic -sealed body is provided with G pin, C pin and the E pin that is used for the circuit intercommunication respectively, the outside cover of C pin is equipped with the insulating part. Use the utility model provides a during triode transistor, set up the insulating part in the outside of C pin for it is insulating between C pin and E pin, reduce the risk that leads to the fact the harm between two pins because of the high -tension arc, the while produces the problem that the high -tension arc led to the fact triode transistor to damage in also preventing C pin and other device installations.

Description

A kind of audion

Technical field

This utility model is related to technical field of electric equipment, more particularly, it relates to a kind of audion.

Background technology

Audion is commonly referred to as transistor, is a kind of semiconductor device of current control electric current, and its effect is handle Small-signal zooms into the larger signal of telecommunication of range value, also serves as noncontacting switch.Crystal triode, is the substantially first device of quasiconductor One of part, has Current amplifier effect, is the core parts of electronic circuit.

The pin of industrial control field high-voltage three-pole pipe is all exposed, between pin C and pin E spacing in the market For 3mm, as shown in figure 1, wherein, 01 is audion.Humidity is high, under the relatively more severe working environment such as Dust Capacity is big, high pressure Easily because of lead pin pitch little generation high-voltage arc between pin C and pin E, cause the damage of audion.

In sum, how to efficiently solve the problem being also easy to produce electric arc between audion pin, be current art technology Personnel's urgent problem.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of audion, to solve to be also easy to produce between audion pin The problem of electric arc.

In order to achieve the above object, this utility model provides following technical scheme：

A kind of audion, including plastic-sealed body, the outside of described plastic-sealed body is separately provided for the G pin of circuit communication, C Pin and E pin, the outside of described C pin is arranged with insulating part.

Preferably, in above-mentioned audion, described insulating part is specially plastic insulation part, described plastic insulation part and described Plastic-sealed body is integral type structure.

Preferably, in above-mentioned audion, it is adhesively fixed between described plastic insulation part and described C pin.

Preferably, in above-mentioned audion, described insulating part be specially plastic insulation part, described plastic insulation part with described C pin is fixedly connected.

Preferably, in above-mentioned audion, the outside of described C pin is provided with insulating cement.

Preferably, in above-mentioned audion, the outside of described G pin, described C pin and described E pin is provided with absolutely Edge part.

The audion that this utility model provides, including plastic-sealed body, the outside of plastic-sealed body is separately provided for circuit communication G pin, C pin and E pin, the outside of C pin is arranged with insulating part.The audion that application this utility model provides, in C pipe The outside setting insulating part of foot, so that insulating between C pin and E pin, reduces between two pins because high-voltage arc causes damage Risk, be also prevented from C pin and other device installation processes simultaneously, produce high-voltage arc and cause what audion damaged to ask Topic.

Brief description

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of audion of the prior art；

The structural representation of the audion that Fig. 2 provides for this utility model embodiment.

In accompanying drawing, labelling is as follows：

Audion 01；

Plastic-sealed body 1, insulating part 2.

Specific embodiment

This utility model embodiment discloses a kind of audion, to solve the problems, such as to be also easy to produce electric arc between audion pin.

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

Refer to Fig. 1-Fig. 2, Fig. 1 is the structural representation of audion of the prior art；Fig. 2 is implemented for this utility model The structural representation of the audion that example provides.

In a kind of specific embodiment, audion includes plastic-sealed body 1, and the outside of wherein plastic-sealed body 1 is respectively arranged with For with the G pin of circuit communication, C pin and E pin, the outside of C pin is arranged with insulating part 2 so that C pin presses in height In the process of electricity, high-voltage arc will not be produced with E pin, cause the damage problem of audion.

It should be noted that the position of G pin, C pin and E pin and plastic-sealed body 1 and annexation refer to existing skill Art, here is omitted.

Specifically, insulating part 2 is specially plastic insulation part 2, and plastic insulation part 2 and plastic-sealed body 1 are integral type structure.In order to Produce simple, plastic insulation part 2 and plastic-sealed body 1 can be carried out unitary design, such as by the side through injection for the corresponding mould Formula integral molding, produces to the two, and its process is simple can mass production.

Further, it is adhesively fixed between plastic insulation part 2 and C pin.As described above, preferably, can will mould Material insulating part 2 and C pin pass through to be adhesively fixed so that the two relative position is fixed, to prevent from sending out in installation or operation process Raw loosening, certainly, in other embodiments it is also possible to be set to the fixed form of other forms, will not be described here.

Further, insulating part 2 is specially plastic insulation part 2, and plastic insulation part 2 is fixedly connected with C pin.In order to prevent C pin and other devices especially E pin produce high-voltage arc, can arrange plastic insulation part 2 in the outside of C pin to carry out absolutely Edge, plastic insulation part 2 can be fixedly connected with C pin, the phenomenon slided with preventing plastic insulation part 2 from occurring on C pin, Certainly, in other embodiments it is also possible to be fixed plastic insulation part 2 and C pin by arranging locating slot, to concrete Connected mode be not construed as limiting, as long as identical technique effect can be reached.

Further, the outside of C pin is provided with insulating cement.Can also be entered by the outside setting insulating cement in C pin Row insulation, to prevent from producing high-voltage arc between C pin and E pin, in other embodiments it is also possible to setting insulating tape etc. enters Row insulation, as long as identical technique effect can be reached, is not construed as limiting to concrete implementation form.

Further, the outside of G pin, C pin and E pin is provided with insulating part 2.It is more highly preferred to, can manage in G The outside of foot, C pin and E pin is respectively provided with insulating part 2 so that the insulation effect of above-mentioned device more preferably, certainly, is implemented at other It is also possible to not carry out above-mentioned setting in example, it is only more preferred embodiment herein.

In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The wide scope consistent with features of novelty.

Claims (6)

1. a kind of audion is it is characterised in that include plastic-sealed body, the outside of described plastic-sealed body is separately provided for circuit communication G pin, C pin and E pin, the outside of described C pin is arranged with insulating part.

2. audion according to claim 1, it is characterised in that described insulating part is specially plastic insulation part, described is moulded Material insulating part and described plastic-sealed body are integral type structure.

3. audion according to claim 2 is it is characterised in that bonding between described plastic insulation part and described C pin consolidate Fixed.

4. audion according to claim 1, it is characterised in that described insulating part is specially plastic insulation part, described is moulded Material insulating part is fixedly connected with described C pin.

5. audion according to claim 1 is it is characterised in that the outside of described C pin is provided with insulating cement.

6. audion according to claim 1 it is characterised in that described G pin, described C pin and described E pin outer Side is provided with insulating part.