CN221008937U

CN221008937U - Bipolar field effect transistor

Info

Publication number: CN221008937U
Application number: CN202322756665.2U
Authority: CN
Inventors: 肖昊; 邓国欣; 胡蓉
Original assignee: Shenzhen Century Tongxin Electronics Co ltd
Current assignee: Shenzhen Century Tongxin Electronics Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-24
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a bipolar field effect tube, which comprises a shell and pins, wherein the other end of the shell is fixedly connected with a connecting sheet, the inner side of the shell is fixedly connected with a radiating mechanism, both ends of the radiating mechanism are clamped with dustproof mechanisms, the inner side of the shell is fixedly connected with an anti-slip sleeve, the radiating mechanism comprises a radiating frame fixedly connected with the shell, the inner side of the radiating frame is fixedly connected with a radiating sheet, the bottom end of the radiating sheet is fixedly connected with a radiating plate, the radiating plate is fixedly connected with the radiating frame, and heat of the shell can be transferred to the radiating sheet and the radiating plate through the arranged anti-slip sleeve, the radiating frame, the radiating sheet, the radiating plate and the radiating hole.

Description

Bipolar field effect transistor

Technical Field

The utility model relates to the technical field of field effect transistors, in particular to a bipolar field effect transistor.

Background

The bipolar field effect tube is installed and used, the bottom of the bipolar field effect tube and the circuit board are required to be fixed together, but after the bipolar field effect tube is attached to the circuit board, the contact area between the bottom of the bipolar field effect tube and air is small, so that air is not circulated, the heat dissipation effect of the bipolar field effect tube is reduced, the service performance of the bipolar field effect tube is affected, and therefore the bipolar field effect tube is provided for the problems.

Disclosure of utility model

The utility model solves the technical problems of the prior art, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a bipolar field effect tube, includes casing and pin, the inboard fixedly connected with pin of one end of casing, the other end fixedly connected with connection piece of casing, the inboard fixedly connected with cooling mechanism of casing, the both ends of cooling mechanism all block has dustproof mechanism, the inboard fixedly connected with antiskid cover of casing.

Preferably, the heat dissipation mechanism comprises a heat dissipation frame fixedly connected with the shell, a heat dissipation plate is fixedly connected to the inner side of the heat dissipation frame, a heat dissipation plate is fixedly connected to the bottom end of the heat dissipation plate, and the heat dissipation plate is fixedly connected with the heat dissipation frame.

Preferably, holes for air circulation are arranged between the radiating fins and the radiating frame as well as between the radiating plates.

Preferably, the inner side of the radiating fin is provided with a radiating hole.

Preferably, the radiating fins are arranged in a zigzag shape and horizontally fixed on the inner side of the radiating frame.

Preferably, the dustproof mechanism comprises a connecting rod with anti-slip sleeves clamped with each other, one end of the connecting rod is fixedly connected with a fixing frame, and the inner side of the fixing frame is fixedly connected with a dustproof net.

Preferably, 2 anti-slip sleeves are arranged at both ends of the shell and both ends of the heat dissipation plate, and the number of the anti-slip sleeves corresponds to the number of the connecting rods.

Preferably, the number of the dustproof nets is two, and the dustproof nets are symmetrically distributed on two sides of the vertical center line of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model provides a bipolar field effect tube, through antiskid cover, heat dissipation frame, fin, heating panel, the louvre that sets up, the heat of casing can transmit for fin and heating panel, because the fin is crooked setting, has increased the area of contact with the air to improved radiating effect, and the inboard air of louvre and heat dissipation frame can exchange with external, thereby further improved radiating effect, thereby guaranteed that the performance of this device is not influenced.

2. The utility model provides a bipolar field effect transistor, through connecting rod, fixed frame, the dust screen that sets up, can prevent under the effect of dust screen that the dust from getting into the inboard of heat dissipation frame, also can prevent that the dust from adhering to the surface at fin, heating panel simultaneously, guarantee the normal work of heat dissipation frame, fin and heating panel, also be convenient for dismantle the clearance to the dust screen simultaneously.

Drawings

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.

Fig. 1 is a schematic diagram of the overall structure of a bipolar field effect transistor according to the present utility model.

Fig. 2 is a schematic diagram of an installation structure of a heat dissipation frame of a bipolar field effect transistor according to the present utility model.

Fig. 3 is a schematic diagram of a structure of a bipolar field effect transistor of fig. 2 according to the present utility model.

Fig. 4 is a schematic diagram of an installation structure of a connecting rod of a bipolar field effect transistor according to the present utility model.

Fig. 5 is a schematic structural diagram of a heat sink of a bipolar field effect transistor according to the present utility model.

In the figure: 1. a housing; 2. pins; 3. a connecting sheet; 4. an anti-skid sleeve; 5. a heat dissipation frame; 6. a heat sink; 7. a heat dissipation plate; 8. a connecting rod; 9. a fixed frame; 10. a dust screen; 11. and the heat dissipation holes.

Detailed Description

The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present utility model, and in order to better explain the detailed description of the utility model, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model based on the detailed description of the present utility model.

Examples

As shown in fig. 1-5, a bipolar field effect transistor comprises a shell 1 and a pin 2, wherein the pin 2 is fixedly connected to the inner side of one end of the shell 1, a connecting sheet 3 is fixedly connected to the other end of the shell 1, a heat dissipation mechanism is fixedly connected to the inner side of the shell 1, dust prevention mechanisms are clamped at two ends of the heat dissipation mechanism, and an anti-slip sleeve 4 is fixedly connected to the inner side of the shell 1.

As a further improvement of the present utility model, as shown in fig. 2, 3 and 5, the heat dissipation mechanism includes a heat dissipation frame 5 fixedly connected with the housing 1, a heat dissipation plate 6 is fixedly connected with the inner side of the heat dissipation frame 5, a heat dissipation plate 7 is fixedly connected with the bottom end of the heat dissipation plate 6, and the heat dissipation plate 7 is fixedly connected with the heat dissipation frame 5, and the heat of the housing 1 can be transferred to the heat dissipation plate 6 and the heat dissipation plate 7, and the heat dissipation plate 6 is bent, so that the contact area with the air is increased, and the heat dissipation effect is improved.

As a further improvement of the present utility model, as shown in fig. 2, 3 and 5, the heat dissipation plate 6, the heat dissipation frame 5 and the heat dissipation plate 7 are provided with air holes therebetween, so that the heat dissipation of the heat dissipation plate 6 and the heat dissipation frame 5 can be quickly achieved by the air circulation.

As a further improvement of the present utility model, as shown in fig. 2, 3 and 5, the inner side of the heat sink 6 is provided with a heat dissipation hole 11, and the contact area between the heat sink 6 and the air can be increased through the heat dissipation hole 11, so that the heat of the heat sink 6 can be quickly dissipated, and the heat of the housing 1 can be quickly dissipated.

As a further improvement of the present utility model, as shown in fig. 2, 3 and 5, the heat dissipation plate 6 is arranged in a zigzag shape and horizontally fixed on the inner side of the heat dissipation frame 5, so as to increase the contact area between the heat dissipation plate 6 and the air and improve the heat dissipation efficiency of the heat dissipation plate 6.

As a further improvement of the utility model, as shown in fig. 1 and 4, the dustproof mechanism comprises a connecting rod 8 with the anti-slip sleeves 4 clamped with each other, one end of the connecting rod 8 is fixedly connected with a fixed frame 9, the inner side of the fixed frame 9 is fixedly connected with a dustproof net 10, dust can be prevented from entering the inner side of the radiating frame 5 under the action of the dustproof net 10, and meanwhile, the dust can be prevented from adhering to the surfaces of the radiating fins 6 and the radiating plate 7, so that the normal work of the radiating frame 5, the radiating fins 6 and the radiating plate 7 is ensured, and meanwhile, the dustproof net 10 is convenient to detach and clean.

As a further improvement of the present utility model, as shown in fig. 1 and 4, 2 anti-slip sleeves 4 are disposed at both ends of the housing 1 and both ends of the heat dissipation plate 7, and the number of the anti-slip sleeves 4 corresponds to the number of the connecting rods 8, so that the connecting rods 8 and the dust screen can be fixed on the heat dissipation plate 7 and the side surfaces of the housing 1 through the plurality of anti-slip sleeves 4.

As a further improvement of the present utility model, as shown in fig. 1 and 4, the number of the dustproof nets 10 is two, and the dustproof nets are symmetrically distributed on two sides of the vertical center line of the housing 1, and the dustproof effect on two sides of the heat dissipation frame 5 is achieved through the plurality of dustproof nets 10, so that the overall dustproof effect is improved.

The working flow is as follows: when the anti-slip dustproof heat dissipation device is used, the heat dissipation frame 5, the heat dissipation fins 6 and the heat dissipation plate 7 are fixedly connected with a circuit board, when the heat dissipation device is used, the shell 1 transfers heat to the heat dissipation frame 5, the heat dissipation fins 6 and the heat dissipation plate 7 when heating, then the heat dissipation frame 5, the heat dissipation fins 6 and the heat dissipation plate 7 dissipate the heat, as the heat dissipation fins 6 are arranged in a bending mode, the contact area with air is increased, the heat dissipation effect is improved, the heat dissipation holes 11 and the air inside the heat dissipation frame 5 can be exchanged with the external connection, the heat dissipation effect is further improved, the usability of the anti-slip dustproof heat dissipation device is guaranteed to be unaffected, dust can be prevented from entering the inside of the heat dissipation frame 5 by the dustproof net 10 in the heat dissipation process, meanwhile, the dust can be prevented from adhering to the surfaces of the heat dissipation fins 6 and the heat dissipation plate 7, the normal work of the heat dissipation frame 5, the heat dissipation fins 6 and the heat dissipation plate 7 is guaranteed, and the dust-proof net 10 is convenient to detach and clean under the mutual clamping of the connecting rod 8 and the anti-slip jacket 4.

While there have been shown and described what are at present considered to be preferred embodiments of the utility model, it will be understood by those skilled in the art that the foregoing and various other changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a bipolar field effect transistor, includes casing (1) and pin (2), its characterized in that: the novel anti-slip device comprises a shell (1), wherein a pin (2) is fixedly connected to the inner side of one end of the shell (1), a connecting sheet (3) is fixedly connected to the other end of the shell (1), a heat dissipation mechanism is fixedly connected to the inner side of the shell (1), dust prevention mechanisms are clamped at two ends of the heat dissipation mechanism, and an anti-slip sleeve (4) is fixedly connected to the inner side of the shell (1).

2. A bipolar field effect transistor as in claim 1 wherein: the heat dissipation mechanism comprises a heat dissipation frame (5) fixedly connected with the shell (1), a heat dissipation fin (6) is fixedly connected to the inner side of the heat dissipation frame (5), a heat dissipation plate (7) is fixedly connected to the bottom end of the heat dissipation fin (6), and the heat dissipation plate (7) is fixedly connected with the heat dissipation frame (5).

3. A bipolar field effect transistor as in claim 2 wherein: and holes for air circulation are formed between the radiating fins (6) and the radiating frame (5) and between the radiating plates (7).

4. A bipolar field effect transistor as in claim 2 wherein: and the inner side of the radiating fin (6) is provided with radiating holes (11).

5. A bipolar field effect transistor as in claim 2 wherein: the radiating fins (6) are arranged in a zigzag shape and horizontally fixed on the inner side of the radiating frame (5).

6. A bipolar field effect transistor as in claim 1 wherein: the dustproof mechanism comprises connecting rods (8) which are mutually clamped by the anti-skid sleeves (4), one ends of the connecting rods (8) are fixedly connected with fixing frames (9), and the inner sides of the fixing frames (9) are fixedly connected with dustproof screens (10).

7. A bipolar field effect transistor as in claim 2 wherein: two ends of the shell (1) and two ends of the radiating plate (7) are respectively provided with 2 anti-slip sleeves (4), and the number of the anti-slip sleeves (4) corresponds to the number of the connecting rods (8).

8. The bipolar field effect transistor of claim 6 wherein: the number of the dustproof nets (10) is two, and the dustproof nets are symmetrically distributed on two sides of the vertical center line of the shell (1).