CN206251555U - LED power - Google Patents

Abstract

The utility model discloses a kind of LED power, including housing, printed circuit board (PCB) and transistor, the housing includes cavity, the printed circuit board (PCB) and the transistor are contained in the cavity, fluting is offered on the printed circuit board (PCB), the transistor is at the fluting, and the transistor side contacts with the bottom of the housing, and the transistor is also electrically connected with the printed circuit board (PCB).In this LED power, due to opening up fluting on a printed circuit, and can be by transistor at the fluting, so that on the one hand transistor directly can contact with housing, without thermal conductive silicon rubber cushion, on the other hand can be connected with printed circuit board (PCB) by pin using plug-in unit transistor, without surface mounting crystal pipe, production cost can be substantially reduced；In addition, transistor is directly contacted with housing being radiated, radiating effect is preferable.

Description

LED power

Technical field

The utility model is related to electronic equipments technical field, more particularly to a kind of LED power.

Background technology

Fig. 1 is referred to, a kind of LED power includes housing 90, printed circuit board (PCB) 92, transistor 93, the and of thermal conductive silicon rubber cushion 94 Stud 96, printed circuit board (PCB) 92 is fixed in housing 90 by stud 96, and thermal conductive silicon rubber cushion 94 is close to the inner surface of housing 90, brilliant Body pipe 93 is surface mounting crystal pipe, and its side is connected to printed circuit board (PCB) 92, opposite side and thermal conductive silicon rubber cushion 94, and by printing electricity Road plate 92 is pressed on thermal conductive silicon rubber cushion 94, so that the heat of transistor 93 is conducted to housing 90 by thermal conductive silicon rubber cushion 94, and then To external diffusion, radiating is realized.

However, transistor 93 is pressed on thermal conductive silicon rubber cushion 94 by printed circuit board (PCB) 92, tight effect on driving birds is not good, radiating effect It is poor；Surface mounting crystal pipe price is higher, and need to set thermal conductive silicon rubber cushion, and production cost is higher.

Utility model content

Based on this, it is necessary to provide a kind of radiating effect preferably and the relatively low LED power of production cost.

A kind of LED power, including housing, printed circuit board (PCB) and transistor, the housing include cavity, the printed circuit Plate and the transistor are contained in the cavity, and fluting is offered on the printed circuit board (PCB), and the transistor is located at institute State at fluting, and the transistor side contacts with the bottom of the housing, the transistor is also electric with the printed circuit board (PCB) Connection.

In this LED power, due to opening up fluting on a printed circuit, and can be by transistor at the fluting so that On the one hand transistor directly can contact with housing, without thermal conductive silicon rubber cushion, on the other hand can pass through pin using plug-in unit transistor It is connected with printed circuit board (PCB), without surface mounting crystal pipe, production cost can be substantially reduced；In addition, transistor is directly contacted with housing Radiated, radiating effect is preferable.

Wherein in an embodiment, the bottom of the housing is provided with the boss being convexly equipped in the cavity, the transistor On the boss.

Wherein in an embodiment, the transistor includes pin, and the transistor is by the pin and the printing Circuit board is electrically connected.

Wherein in an embodiment, the size of the size more than the transistor of the fluting, the transistor passes through institute Stating fluting makes the pin be inserted from the upper surface of the printed circuit board (PCB).

Wherein in an embodiment, the LED power also includes press strip, and the press strip is located at the transistor away from described The side of housing, and the housing is connected to, the transistor is pressed on the housing.

Wherein in an embodiment, the press strip is fixed on the housing by fastener.

Wherein in an embodiment, the LED power also includes locking piece, and the printed circuit board (PCB) passes through the locking piece It is fixed on the bottom of the housing.

Wherein in an embodiment, the transistor is plug-in unit transistor.

Brief description of the drawings

Fig. 1 is a kind of structural representation of LED power；

Fig. 2 is the structural representation of the LED power of the embodiment of the utility model one.

Specific embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model The understanding for opening content is more thorough comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element Or can also be in the presence of element between the two.When an element is considered as " connection " another element, it can be direct It is connected to another element or may be simultaneously present element between the two.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all of combination of one or more related Listed Items.

Fig. 2 is referred to, the LED power in the embodiment of the utility model one includes housing 10, printed circuit board (PCB) 20 and crystal Pipe 30.Housing 10 includes cavity 102, and printed circuit board (PCB) 20 and transistor 30 are contained in cavity 102.On printed circuit board (PCB) 20 Fluting 202 is offered, transistor 30 is at fluting 202, and the side of transistor 30 contacts with the bottom of housing 10, transistor 30 Also electrically connected with printed circuit board (PCB) 20.Specifically, transistor 30 can be plug-in unit transistor, more specifically, transistor 30 is plug-in unit Horizontal transistor.

In this LED power, due to opening up fluting 202 on printed circuit board 20, and can be by transistor 30 located at the fluting At 202 so that the one side of transistor 30 can be contacted directly with housing 10, without thermal conductive silicon rubber cushion, plug-in unit on the other hand can be used Transistor is connected by pin 302 with printed circuit board (PCB) 20, without surface mounting crystal pipe, can substantially reduce production cost；In addition, brilliant Body pipe 30 is directly contacted with housing 10 and radiated, and radiating effect is preferable.

In the present embodiment, the bottom of housing 10 is provided with the boss 104 being convexly equipped in cavity 102, and transistor 30 is convex located at this On platform 104.Specifically, the surface of boss 104 is plane.Due to being provided with boss 104 on housing 10, transistor 30 can directly with Housing 10 is contacted, without using thermal conductive silicon rubber cushion.In the present embodiment, boss 104 is stamped to form for the bottom of housing 10.

In the present embodiment, transistor 30 includes pin 302, and transistor 30 is electrically connected by pin 302 with printed circuit board (PCB) 20 Connect.

In the present embodiment, the size of the size more than transistor 30 of fluting 202, transistor 30 may pass through fluting 202 makes it Pin 302 is inserted from the upper surface of printed circuit board (PCB) 20.

In the present embodiment, LED power also includes press strip 50, and press strip 50 is located at side of the transistor 30 away from housing 10, and Housing 10 is connected to, transistor 30 is pressed on housing 10.By press strip 50 fix transistor 30, can make transistor 30 with Housing 10 is contacted closely, is further ensured that radiating effect, and because transistor 30 need not be compressed by printed circuit board (PCB) 20 Will not be deformed in housing 10, therefore printed circuit board (PCB) 20.Specifically, press strip 50 is fixed on shell by fastener (not shown) Body 10, fastener can be bolt.

In the present embodiment, LED power also includes locking piece 70, and printed circuit board (PCB) 20 is fixed on housing 10 by locking piece 70 Bottom.Specifically, locking piece 70 is stud.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (8)

1. a kind of LED power, it is characterised in that including housing, printed circuit board (PCB) and transistor, the housing includes cavity, institute State printed circuit board (PCB) and the transistor is contained in the cavity, fluting, the crystalline substance are offered on the printed circuit board (PCB) Body pipe is at the fluting, and the transistor side contacts with the bottom of the housing, the transistor also with the print Printed circuit board is electrically connected.

2. LED power according to claim 1, it is characterised in that the bottom of the housing is provided with and is convexly equipped in the cavity Interior boss, the transistor is on the boss.

3. LED power according to claim 1, it is characterised in that the transistor includes pin, the transistor passes through The pin is electrically connected with the printed circuit board (PCB).

4. LED power according to claim 3, it is characterised in that chi of the size of the fluting more than the transistor Very little, the transistor makes the pin be inserted from the upper surface of the printed circuit board (PCB) through the fluting.

5. LED power according to claim 1, it is characterised in that the LED power also includes press strip, the press strip sets In the transistor away from the side of the housing, and the housing is connected to, the transistor is pressed in the housing On.

6. LED power according to claim 5, it is characterised in that the press strip is fixed on the housing by fastener.

7. LED power according to claim 1, it is characterised in that the LED power also includes locking piece, the printing Circuit board is fixed on the bottom of the housing by the locking piece.

8. LED power according to claim 1, it is characterised in that the transistor is plug-in unit transistor.