CN215069941U

CN215069941U - TVS diode with heat dispersion

Info

Publication number: CN215069941U
Application number: CN202022992223.4U
Authority: CN
Inventors: 程刚; 何毕慎; 江明
Original assignee: Shenzhen Xufanda Technology Co ltd
Current assignee: Shenzhen Xufanda Technology Co ltd
Priority date: 2020-12-13
Filing date: 2020-12-13
Publication date: 2021-12-07
Anticipated expiration: 2030-12-13

Abstract

The utility model discloses a TVS diode with heat dispersion, which comprises an outer shell, the inside chip that is equipped with of shell body, the welding of chip bottom is equipped with positive electrode and negative electrode, the chip outside is equipped with the sealed shell, sealed shell surface mounting is equipped with a plurality of heat conduction sheetmetal, the sealed shell both sides are all installed and are equipped with heating panel one, sealed shell both ends are all installed and are equipped with heating panel two, heating panel one is kept away from sealed shell one side is equipped with a plurality of radiating fin, heating panel two is kept away from sealed shell side-mounting is equipped with heat conduction silicone tube, heat conduction silicone tube top with shell inner wall fixed connection. Has the advantages that: thereby be convenient for realize quick timely effectual heat dissipation, simple structure, and easy and simple to handle, play the effect of heat removal protection once more, improved radiating performance greatly, the effectual life who prolongs the TVS diode.

Description

TVS diode with heat dispersion

Technical Field

The utility model relates to a VS diode particularly, relates to a TVS diode with heat dispersion.

Background

There are many categories of diodes, one of which is TVS (transient voltage suppression) diode, which can rapidly change from an original high impedance to a very low conduction value when the applied voltage varies within a certain range under reverse application conditions, and thus the voltage is controlled to a predetermined voltage, thereby effectively eliminating the damage to sensitive system equipment and components. The TVS can be used for lightning stroke prevention, overvoltage prevention, interference resistance, surge power absorption and the like, and is an ideal protection device.

The conventional TVS diode cannot realize rapid heat dissipation when in use, so that the service life of the diode is shortened.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TVS diode with heat dispersion to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a TVS diode with heat dispersion, includes the shell body, the inside chip that is equipped with of shell body, the welding of chip bottom is equipped with positive electrode and negative electrode, the chip outside is equipped with sealed shell, sealed shell surface mounting is equipped with a plurality of heat conduction sheetmetal, sealed shell both sides are all installed and are equipped with heating panel one, sealed shell both ends are all installed and are equipped with heating panel two, heating panel one is kept away from sealed shell one side is equipped with a plurality of radiating fin, heating panel two is kept away from sealed shell side-mounting is equipped with heat conduction silicone tube, heat conduction silicone tube top with shell body inner wall fixed connection.

Furthermore, a plurality of heat dissipation ports are formed in the surface of the outer shell.

Furthermore, a plurality of first heat dissipation holes are formed in the top end of the outer shell.

Furthermore, two heat dissipation holes are formed in two sides of the shell, and dustproof filter screens are mounted on the heat dissipation port, the heat dissipation hole I and the heat dissipation hole II.

Further, heat conduction silica gel is filled in the sealing shell.

Further, the inner side wall of the outer shell is provided with a slot, and the radiating fins are installed inside the slot.

The utility model provides a TVS diode with heat dispersion, beneficial effect as follows:

(1) the heat conduction metal sheets and the heat conduction silicone tubes are arranged on the outer shell, so that the heat conduction and heat dissipation performance can be improved, the heat generated by the TVS diode is transmitted and conducted, the TVS diode is prevented from being damaged due to overheating, and the primary heat removal protection effect is achieved; through the cooperation that sets up heating panel one, heating panel two and radiating fin to be convenient for realize quick timely effectual heat dissipation, simple structure, and easy and simple to handle, play the effect of heat removal protection once more, improved radiating performance greatly, the effectual life who prolongs the TVS diode.

(2) Through being equipped with thermovent, louvre one and louvre two, further improve the effect of heat dissipation cooling, dustproof filter screen filters the dust in the air, plays dirt-proof effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a TVS diode with heat dissipation performance according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an internal structure of an outer housing of a TVS diode with heat dissipation performance according to an embodiment of the present invention.

Reference numerals:

1. an outer housing; 2. a chip; 3. sealing the shell; 4. a negative electrode; 5. a positive electrode; 6. a heat conductive metal sheet; 7. a first heat dissipation plate; 8. a second heat dissipation plate; 9. a heat dissipating fin; 10. a heat conducting silicone tube; 11. a heat dissipation port; 12. a first heat dissipation hole; 13. a second heat dissipation hole; 14. a dustproof filter screen; 15. and (4) a slot.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, according to an embodiment of the present invention, a TVS diode with heat dissipation performance includes a housing 1, a chip 2 is disposed inside the housing 1, a positive electrode 5 and a negative electrode 4 are welded to the bottom of the chip 2, a sealing case 3 is disposed outside the chip 2, a plurality of heat conductive metal sheets 6 are disposed on the surface of the sealing case 3, a first heat dissipation plate 7 is disposed on both sides of the sealing case 3, a second heat dissipation plate 8 is disposed on both ends of the sealing case 3, a plurality of heat dissipation fins 9 are disposed on the side of the first heat dissipation plate 7 away from the sealing case 3, a heat conductive silicone tube 10 is disposed on the side of the second heat dissipation plate 8 away from the sealing case 3, the top of the heat conductive silicone tube 10 is fixedly connected to the inner wall of the housing 1, and a plurality of heat conductive metal sheets 6 and a plurality of heat conductive silicone tubes 10 are disposed on the housing 1, therefore, the heat conduction and heat dissipation performance can be improved, the heat generated by the TVS diode is transmitted and conducted, the damage caused by overheating of the TVS diode is avoided, and the primary heat removal protection function is realized; through the cooperation that sets up heating panel one 7, heating panel two 8 and radiating fin 9 to be convenient for realize quick timely effectual heat dissipation, simple structure, and easy and simple to handle, play the effect of heat removal protection once more, improved radiating performance greatly, the effectual life who prolongs the TVS diode.

Example two:

referring to fig. 1-2, for the outer casing 1, a plurality of heat dissipation ports 11 are formed on the surface of the outer casing 1. For the outer shell 1, a plurality of heat dissipation holes 12 are formed at the top end of the outer shell 1. For the outer shell 1, two heat dissipation holes 13 are formed in two sides of the outer shell 1, and dustproof filter screens 14 are mounted on the heat dissipation port 11, the heat dissipation holes 12 and the heat dissipation holes 13. For the sealing case 3, the sealing case 3 is internally filled with heat conductive silicone gel. For the outer shell 1, the inner side wall of the outer shell 1 is provided with a slot 15, the radiating fins 9 are installed inside the slot 15, the radiating and cooling effects are further improved by arranging a radiating hole 11, a first radiating hole 12 and a second radiating hole 13, and the dustproof filter screen 14 filters dust in the air to play a dustproof role.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the plurality of heat-conducting metal sheets 6 and the heat-conducting silicone tubes 10 are arranged on the outer shell 1, so that the heat-conducting and heat-dissipating performance can be improved, heat generated by the TVS diode is transmitted and conducted, the TVS diode is prevented from being damaged due to overheating, and the effect of primary heat removal protection is achieved; through the cooperation that sets up heating panel one 7, heating panel two 8 and radiating fin 9 to be convenient for realize quick timely effectual heat dissipation, simple structure, and easy and simple to handle, play the effect of heat removal protection once more, improved radiating performance greatly, the effectual life who prolongs the TVS diode. Through being equipped with thermovent 11, louvre one 12 and louvre two 13, further improve the effect of heat dissipation cooling, dustproof filter screen 14 filters the dust in the air, plays dirt-proof effect.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A TVS diode with heat dissipation performance is characterized by comprising an outer shell (1), a chip (2) is arranged in the shell body (1), a positive electrode (5) and a negative electrode (4) are welded at the bottom of the chip (2), a sealing shell (3) is arranged on the outer side of the chip (2), a plurality of heat-conducting metal sheets (6) are arranged on the surface of the sealing shell (3), a first heat dissipation plate (7) is arranged on each of two sides of the sealing shell (3), a second heat dissipation plate (8) is arranged on each of two ends of the sealing shell (3), a plurality of radiating fins (9) are arranged on one side of the first radiating plate (7) far away from the sealing shell (3), a heat conducting silicone tube (10) is arranged on one side of the second heat dissipation plate (8) far away from the sealing shell (3), the top of the heat conduction silicone tube (10) is fixedly connected with the inner wall of the outer shell (1).

2. The TVS diode with heat dissipation performance as recited in claim 1, wherein a plurality of heat dissipation ports (11) are formed on the surface of the outer casing (1).

3. The TVS diode with heat dissipation performance as claimed in claim 2, wherein a plurality of first heat dissipation holes (12) are formed at the top end of the outer casing (1).

4. The TVS diode with heat dissipation performance as claimed in claim 3, wherein two heat dissipation holes (13) are opened at two sides of the outer casing (1), and a dustproof filter screen (14) is installed on the heat dissipation port (11), the first heat dissipation hole (12) and the second heat dissipation hole (13).

5. The TVS diode with heat dissipation performance as recited in claim 4, wherein the inside of the hermetic case (3) is filled with a heat conductive silicone gel.

6. The TVS diode with heat dissipation performance as claimed in claim 5, wherein the inner sidewall of the outer case (1) is provided with a slot (15), and the heat dissipation fin (9) is installed inside the slot (15).