CN219144165U

CN219144165U - Triode with stable installation

Info

Publication number: CN219144165U
Application number: CN202223137081.9U
Authority: CN
Inventors: 郝军雷
Original assignee: Shenzhen Kuanyue Technology Co ltd
Current assignee: Chu Xiaoneng Technology (Shenzhen) Co.,Ltd.
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-06
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a triode with stable installation, and relates to the technical field of triodes. Including triode body, aluminium crowded fin and button head screw, the back of triode body inlays and is equipped with the conducting strip, be equipped with the draw-in groove on the aluminium crowded fin, and through draw-in groove and triode body looks joint, be equipped with the screw hole on the aluminium crowded fin, be equipped with the through-hole on the triode body, the head end of button head screw passes through-hole threaded connection in the screw hole. This stable triode of installation adopts aluminium to extrude the fin as the assembly annex, through the fixed needle close-fitting grafting of the extruded fin of aluminium in the installation hole of circuit board to spacing fixedly is carried out to the triode, then accomplishes the welding to the triode pin again, and the stability of multiplicable triode when the installation has avoided the triode to take place the installation inconvenience that the skew caused when the installation, and the extruded fin of aluminium also can assist the heat-sinking capability that improves the triode simultaneously.

Description

Triode with stable installation

Technical Field

The utility model relates to the technical field of triodes, in particular to a stably-installed triode.

Background

The transistor is one of semiconductor basic components, has current amplifying function, is a core element of an electronic circuit, is manufactured on a semiconductor substrate and is divided into three parts by two PN junctions, wherein the middle part is a base region, the two side parts are an emitter region and a collector region, and the arrangement mode comprises PNP and NPN.

However, when the existing semiconductor triode is installed, the existing semiconductor triode is required to be supported by hands of a person, then the existing semiconductor triode is installed through the installation hole, the operation during the installation is complex, and when the existing semiconductor triode is installed, the hands of the person shake easily, so that the situation that the triode is deviated during the installation is caused, and the installation is inconvenient.

Disclosure of Invention

The utility model provides a triode which is stably installed, and aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an install firm triode, includes triode body, aluminium extrusion fin and button head screw, the back of triode body inlays and is equipped with the conducting strip, be equipped with the draw-in groove on the aluminium extrusion fin, and through draw-in groove and triode body looks joint, be equipped with the screw hole on the aluminium extrusion fin, be equipped with the through-hole on the triode body, the head end of button head screw passes through-hole threaded connection in the screw hole, makes triode body and aluminium extrusion fin fastening connection, the back close-fitting grafting of aluminium extrusion fin has the fixed needle.

Further, the triode body comprises an injection molding shell, an insulating frame, a wafer and pins, wherein the insulating frame is fixedly arranged in the injection molding shell, the wafer is fixedly arranged in the insulating frame, and the pins are arranged in the injection molding shell and are electrically connected with the wafer.

Furthermore, an electronic potting adhesive layer is filled in the injection molding shell, and one end of the pin extends out of the injection molding shell.

Further, one surface of the heat conducting fin is attached to the insulating frame, and the exposed surface of the heat conducting fin is flush with the back surface of the triode body.

Further, the back of triode body is equipped with positioning groove, be equipped with the location sand grip in the draw-in groove, and location sand grip slidable mounting is in positioning groove.

Furthermore, the back of the aluminum extruded radiating fin is provided with a slot, and the fixing needle is tightly inserted into the slot.

Compared with the prior art, the utility model provides a triode with stable installation, which comprises the following components

The beneficial effects are that:

this stable triode of installation adopts aluminium to extrude the fin as the assembly annex, through the fixed needle close-fitting grafting of the extruded fin of aluminium in the installation hole of circuit board to spacing fixedly is carried out to the triode, then accomplishes the welding to the triode pin again, and the stability of multiplicable triode when the installation has avoided the triode to take place the installation inconvenience that the skew caused when the installation, and the extruded fin of aluminium also can assist the heat-sinking capability that improves the triode simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a side cross-sectional view of a triode body according to the present utility model;

fig. 4 is a front view of an aluminum extruded fin of the present utility model.

In the figure: 1. a triode body; 2. aluminum extruded cooling fins; 3. a round head screw; 4. a heat conductive sheet; 5. a clamping groove; 6. a threaded hole; 7. a through hole; 8. fixing the needle; 9. injection molding the housing; 10. an insulating frame; 11. a wafer; 12. pins; 13. an electronic potting adhesive layer; 14. a positioning groove; 15. positioning convex strips; 16. a slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses a stably installed triode, which comprises a triode body 1, an aluminum extrusion radiating fin 2 and a round head screw 3, wherein a heat conducting fin 4 is embedded on the back surface of the triode body 1, a clamping groove 5 is arranged on the aluminum extrusion radiating fin 2, the triode body 1 is clamped with the clamping groove 5, a threaded hole 6 is arranged on the aluminum extrusion radiating fin 2, a through hole 7 is arranged on the triode body 1, the head end of the round head screw 3 penetrates through the through hole 7 and is in threaded connection with the threaded hole 6, so that the triode body 1 is in fastening connection with the aluminum extrusion radiating fin 2, a fixing needle 8 is tightly inserted on the back surface of the aluminum extrusion radiating fin 2, the aluminum extrusion radiating fin 2 is adopted as an assembly accessory, the fixing needle 8 of the aluminum extrusion radiating fin 2 is tightly inserted in a mounting hole of a circuit board, so that the triode is limited and fixed, and then the welding of the pins of the triode is completed, the stability of the triode during installation can be increased, inconvenience in installation caused by deflection of the triode is avoided, and meanwhile, the heat dissipation capability of the aluminum extrusion radiating fin 2 can be improved.

Specifically, the triode body 1 includes an injection molding shell 9, an insulating frame 10, a wafer 11 and a pin 12, wherein the insulating frame 10 is fixedly installed in the injection molding shell 9, the wafer 11 is fixedly installed in the insulating frame 10, and the pin 12 is installed in the injection molding shell 9 and is electrically connected with the wafer 11.

In this embodiment, the triode is a low-frequency high-power triode with a characteristic frequency less than 3MHz and a power greater than 1W, and is mainly used as a low-frequency power amplifying circuit of electronic sound equipment and used as an adjusting tube in various high-current output stabilized voltage power supplies.

Specifically, an electronic potting adhesive layer 13 is filled in the injection molding shell 9, and one end of the pin 12 extends out of the injection molding shell 9.

In this embodiment, the electronic potting adhesive layer 13 can effectively prevent water, moisture, dust, corrosion and vibration, and tightly protect the internal components and parts, thereby minimizing the possibility of being affected by external factors.

Specifically, one surface of the heat conducting strip 4 is attached to the insulating frame 10, and the exposed surface of the heat conducting strip is flush with the back surface of the triode body 1.

In this embodiment, since the power of the high-power transistor is relatively high, the transistor is easy to generate heat, so that the heat conducting fin 4 is required to be arranged, and the heat conducting fin 4 is attached to the aluminum extruded heat radiating fin 2, so that natural convection heat radiation with surrounding air can be realized, and the heat radiation capability of the transistor can be improved in an auxiliary manner.

Specifically, the back of triode body 1 is equipped with positioning groove 14, be equipped with location sand grip 15 in the draw-in groove 5, and location sand grip 15 slidable mounting is in positioning groove 14.

In this embodiment, the triode body 1 is slidably mounted in the positioning groove 14 through the positioning groove 14 and the positioning convex strip 15.

Specifically, the back of the aluminum extruded radiating fin 2 is provided with a slot 16, and the fixing needle 8 is tightly inserted into the slot 16.

In this embodiment, the fixing pin 8 is tightly mounted on the aluminum extruded heat sink 2 through the slot 16, and is used for being inserted into the mounting hole of the circuit board to limit and fix the triode.

When using, adopt crowded fin 2 of aluminium to be the assembly annex, through the fixed pin 8 close-fitting grafting of crowded fin 2 of aluminium in the installation hole of circuit board to spacing fixedly is carried out the triode, then accomplishes the welding to the triode pin again, and the stability of multiplicable triode when the installation has avoided the triode to take place the installation inconvenience that the skew caused when the installation, and the heat dispersion of triode also can be assisted to improve to crowded fin 2 of aluminium simultaneously.

To sum up, this stable triode of installation adopts aluminium to extrude fin 2 as the assembly accessory, through with the fixed pin 8 close-fitting grafting of aluminium to extrude fin 2 in the installation hole of circuit board to spacing fixedly is carried out the triode, then accomplishes the welding to the triode pin again, and the stability of multiplicable triode when the installation has avoided the triode to take place the installation inconvenience that the skew caused when the installation, and aluminium is extruded fin 2 simultaneously also can assist the heat dispersion who improves the triode.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 installation stable triode, includes triode body (1), aluminium crowded fin (2) and button head screw (3), its characterized in that: the utility model discloses a triode body, including triode body (1), heat conducting strip (4) are inlayed to the back of triode body (1), be equipped with draw-in groove (5) on the crowded fin of aluminium (2), and through draw-in groove (5) looks joint with triode body (1), be equipped with screw hole (6) on the crowded fin of aluminium (2), be equipped with through-hole (7) on triode body (1), the head end of button head screw (3) passes through-hole (7) threaded connection in screw hole (6), makes triode body (1) and crowded fin of aluminium (2) fastening connection, the back close-fitting grafting of crowded fin of aluminium (2) has fixed needle (8).

2. A stably mounted triode according to claim 1 wherein: the triode body (1) comprises an injection molding shell (9), an insulating frame (10), a wafer (11) and pins (12), wherein the insulating frame (10) is fixedly installed in the injection molding shell (9), the wafer (11) is fixedly installed in the insulating frame (10), and the pins (12) are installed in the injection molding shell (9) and are electrically connected with the wafer (11).

3. A stably mounted triode according to claim 2 wherein: an electronic potting adhesive layer (13) is filled in the injection molding shell (9), and one end of each pin (12) extends out of the injection molding shell (9).

4. A stably mounted triode according to claim 2 wherein: one surface of the heat conducting fin (4) is attached to the insulating frame (10), and the exposed surface of the heat conducting fin is flush with the back surface of the triode body (1).

5. A stably mounted triode according to claim 1 wherein: the back of triode body (1) is equipped with positioning groove (14), be equipped with location sand grip (15) in draw-in groove (5), and location sand grip (15) slidable mounting is in positioning groove (14).

6. A stably mounted triode according to claim 1 wherein: the back of the aluminum extrusion cooling fin (2) is provided with a slot (16), and the fixing needle (8) is tightly inserted into the slot (16).