CN211265446U

CN211265446U - Protective triode

Info

Publication number: CN211265446U
Application number: CN202020421835.5U
Authority: CN
Inventors: 苏镇顺
Original assignee: Shenzhen Donglianfa Technology Co ltd
Current assignee: Shenzhen Donglianfa Technology Co ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2020-08-14
Anticipated expiration: 2030-03-28

Abstract

The utility model relates to a triode technical field just discloses a protection triode, including shell, ventilation row and radiating groove, the left side of shell and the right side fixed connection who ventilates row, the interior roof fixedly connected with of radiating groove strains the dirt intranet, strain the bottom of dirt intranet and the interior diapire fixed connection of radiating groove. This protection type triode, arrange through setting up the ventilation, extend the louvre, the radiating groove with strain the dirt intranet, because extend the louvre and prolonged certain distance, and have certain inclination with the horizontal plane, can avoid a large amount of dust directly to get into the row that ventilates, and ventilate the bottom of arranging and personally submit vertical angle with the level, the dust is difficult more to get into, a large amount of dusts are extending the louvre and are ventilating the outside gathering of arranging, when taking place the heat exchange, a small amount of dusts can get into the row inside of ventilating through extending the louvre, this partial dust can be strained the dirt intranet and completely cut off, the problem that current triode through-hole heat dissipation can lead to inside to gather dirt has been solved.

Description

Protective triode

Technical Field

The utility model relates to a triode technical field specifically is a protection type triode.

Background

The triode is a semiconductor device for controlling current, which is called a semiconductor triode, also called a bipolar transistor and a transistor. The function is to amplify the weak signal into an electric signal with larger amplitude value, and the electric signal is also used as a contactless switch.

The inner space of triode is less, and the triode can produce a large amount of heat at the during operation, these heats if can not in time get rid of, will cause the damage to the inside component of triode, lead to the life-span reduction of triode, in order to strengthen the heat dissipation, people begin to use metal triode shell, because metal casing's heat conductivity is stronger than traditional plastics shell, there is certain radiating effect, but not showing significantly, and the heat can continue to conduct whole amplifier circuit through metal casing, consequently, people begin the shell through-hole at the triode, the through-hole can directly exchange the inside heat of shell with the external world, the heat dissipation is obvious, but direct through-hole has destroyed the leakproofness of triode, lead to inside the dust can get into the triode through-hole, increase the radiating pressure, some electricity trouble can also be caused to the dust.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a protection triode possesses can prevent dust when increasing heat-sinking capability, also is convenient for remove dust, and the advantage of protection triode has solved current triode through-hole heat dissipation and can have leaded to inside to gather dirt, and the inconvenient problem of cleaing away of dust.

(II) technical scheme

Can prevent dust in the time of increasing heat-sinking capability for realizing the aforesaid, also be convenient for remove dust, protect the triode purpose, the utility model provides a following technical scheme: the utility model provides a protection type triode, includes shell, ventilation row and radiating groove, the left side of shell and the right side fixed connection who ventilates row, the interior roof fixedly connected with of radiating groove strains the dirt intranet, the bottom of straining the dirt intranet and the interior diapire fixed connection of radiating groove, the left side intercommunication that ventilates row has the extension louvre, the interior diapire of shell is equipped with the PN junction, the bottom of ventilating row is provided with strains the dirt outer net, the first slider of left side fixedly connected with of dirt outer net, the first guide block of bottom fixedly connected with of ventilation row, the right side fixedly connected with second slider of dirt outer net strains, the bottom fixedly connected with second guide block of ventilation row.

Preferably, the heat dissipation groove is located in a left side wall of the housing, a left side of the heat dissipation groove is communicated with a right side of the ventilation row, and a right side of the heat dissipation groove is communicated with the inside of the housing.

Preferably, the number of the extending heat dissipation holes is a plurality, and the extending heat dissipation holes are uniformly distributed on the left side of the ventilation row.

Preferably, the PN junction is fixedly connected with the inner bottom wall of the shell, and the bottom of the PN junction is electrically connected with a pin.

Preferably, a sliding groove is formed in the right side of the first guide block, and the first sliding block is movably connected with the sliding groove in the right side of the first guide block.

Preferably, a sliding groove is formed in the left side of the second guide block, and the second sliding block is movably connected with the sliding groove in the left side of the second guide block.

Compared with the prior art, the utility model provides a protection type triode possesses following beneficial effect:

1. this protection type triode, arrange through setting up the ventilation, extend the louvre, the radiating groove with strain the dirt intranet, because extend the louvre and prolonged certain distance, and have certain inclination with the horizontal plane, can avoid a large amount of dust directly to get into the row that ventilates, and ventilate the bottom of arranging and personally submit vertical angle with the level, the dust is difficult more to get into, a large amount of dusts are extending the louvre and are ventilating the outside gathering of arranging, when taking place the heat exchange, a small amount of dusts can get into the row inside of ventilating through extending the louvre, this partial dust can be strained the dirt intranet and completely cut off, the problem that current triode through-hole heat dissipation can lead to inside to gather dirt has been solved.

2. This protection formula triode, through setting up first slider, second slider and straining dirt outer net, strain the dirt outer net and can prevent that the exhaust bottom that ventilates from getting into the dust, and when the inside a small amount of dust of row that ventilates was strained the dirt intranet and isolated and when gathering, the dirt outer net is strained in the slidable, through the cotton swab, twist into the paper handkerchief of strand form and come to clear away the dust of the exhaust inside that ventilates, these dusts are finally discharged by the bottom of ventilating, after having solved current triode through-hole, the inconvenient problem of clearing away of dust of inside gathering.

Drawings

FIG. 1 is a sectional view of the front view structure of the present invention;

FIG. 2 is a sectional view of the dust filter of the present invention;

fig. 3 is an enlarged view of a portion of a in fig. 1 according to the present invention.

Wherein: 1. a housing; 2. ventilating rows; 3. a heat sink; 4. a dust filtration inner net; 5. extending the heat dissipation holes; 6. a PN junction; 7. a pin; 8. a second guide block; 9. a dust filtering outer net; 10. a first slider; 11. a first guide block; 12. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a protective triode, comprising a housing 1, a ventilation bar 2 and a heat sink 3, wherein the left side of the housing 1 is fixedly connected to the right side of the ventilation bar 2, the heat sink 3 is located in the left side wall of the housing 1, the left side of the heat sink 3 is communicated with the right side of the ventilation bar 2, the right side of the heat sink 3 is communicated with the inside of the housing 1, the inner top wall of the heat sink 3 is fixedly connected to a dust filter mesh 4, the bottom end of the dust filter mesh 4 is fixedly connected to the inner bottom wall of the heat sink 3, the left side of the ventilation bar 2 is communicated with an extended heat sink 5, the number of the extended heat sink 5 is several, the extended heat sink 5 is uniformly arranged on the left side of the ventilation bar 2, the extended heat sink 5 extends a certain distance and has a certain inclination angle with the horizontal plane, thereby preventing a large amount of dust from directly entering the ventilation bar, PN knot 6 and shell 1's inner bottom wall fixed connection, PN knot 6's bottom electricity is connected with pin 7, the bottom of ventilating row 2 is provided with the dirt outer net 9 of straining, the bottom fixedly connected with of dirt outer net 9 presses the briquetting, it presses the dirt outer net 9 to be convenient for people's slip, dirt outer net 9 can prevent to ventilate row 2's bottom and get into the dust, the first slider 10 of the left side fixedly connected with of dirt outer net 9 of straining, the first guide block 11 of the bottom fixedly connected with of ventilating row 2, the spout has been seted up on the right side of first guide block 11, first slider 10 and the spout swing joint on first guide block 11 right side, the right side fixedly connected with second slider 12 of dirt outer net 9 of straining, the bottom fixedly connected with second guide block 8 of ventilating row 2, the spout has been seted up on the left side of second guide block 8, second slider 12 and the left spout swing joint of second guide block 8.

When using, a large amount of dusts are in the outside gathering of extension louvre 5 and ventilation row 2, when taking place the heat exchange, a small number of dusts get into ventilation row 2 inside through extending louvre 5 to it is isolated by straining dirt intranet 4, a small amount of dust gathering, slip and strain dirt outer net 9, under the cooperation of first slider 10 and second slider 12, the bottom of ventilation row 2 is vacated completely, accessible cotton swab twists into the paper handkerchief of strand form and clears away the dust of ventilation row 2 inside.

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. The utility model provides a protection formula triode, includes shell (1), ventilates row (2) and radiating groove (3), its characterized in that: the left side of shell (1) and the right side fixed connection who ventilates row (2), interior roof fixedly connected with of radiating groove (3) strains dirt intranet (4), the bottom of straining dirt intranet (4) and the interior diapire fixed connection of radiating groove (3), the left side intercommunication that ventilates row (2) has extension louvre (5), the interior diapire of shell (1) is equipped with PN knot (6), the bottom of ventilating row (2) is provided with strains dirt outer net (9), the first slider of left side fixedly connected with (10) of straining dirt outer net (9), the first guide block of bottom fixedly connected with (11) of ventilating row (2), the right side fixedly connected with second slider (12) of straining dirt outer net (9), the bottom fixedly connected with second guide block (8) of ventilating row (2).

2. A protective transistor according to claim 1, wherein: the heat dissipation groove (3) is located in the left side wall of the shell (1), the left side of the heat dissipation groove (3) is communicated with the right side of the ventilation row (2), and the right side of the heat dissipation groove (3) is communicated with the inside of the shell (1).

3. A protective transistor according to claim 1, wherein: the number of the extension radiating holes (5) is a plurality, and the extension radiating holes (5) are uniformly distributed on the left side of the ventilation row (2).

4. A protective transistor according to claim 1, wherein: PN knot (6) and the interior diapire fixed connection of shell (1), the bottom electricity of PN knot (6) is connected with pin (7).

5. A protective transistor according to claim 1, wherein: the right side of the first guide block (11) is provided with a sliding groove, and the first sliding block (10) is movably connected with the sliding groove on the right side of the first guide block (11).

6. A protective transistor according to claim 1, wherein: the left side of the second guide block (8) is provided with a sliding groove, and the second sliding block (12) is movably connected with the sliding groove in the left side of the second guide block (8).