JP3246592B2 - Radiator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator for cooling electronic parts such as transistors, etc., having a versatile mounting structure.

[0002]

2. Description of the Related Art A conventional radiator has a structure in which electronic components such as a transistor are directly screwed to a base plate of a radiating fin, and an end of the base is screwed to a circuit board. For mounting an object having a narrow space between a circuit board and an electronic component, such as a transistor having legs formed into an L-shape, a special radiator must be designed or secondary processing is required.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a versatile radiator which can be easily mounted even on an electronic component formed into an L-shape and can have the same mounting structure as the conventional one.

[0004]

SUMMARY OF THE INVENTION A plurality of radiating fins (radiating plates) are implanted on a base plate in a plane substantially perpendicular to the base surface to radiate heat from an electronic circuit component or the like. A first mounting plate formed by extending the base plate in one direction, and a second parallel to the mounting plate forming a U-shaped cross section between the first mounting plate and the first mounting plate. Provide a mounting plate, the first mounting
A first hole is formed in the plate, and a first hole is formed in front of the second mounting plate.
Forming a second hole at a position corresponding to the first hole, and
The U-shaped first mounting plate and the second mounting plate
Partly in the same direction as the surface of the attachment plate and the radiation fin
Open to form a third hole, the first when mounting on a circuit board mounting the electronic circuit components and the like or an electronic circuit components such as using a mounting plate the second mounting plate, the end portion of the circuit board
When mounting on the circuit board, attach the end of the circuit board to the first
It is inserted and attached between the attachment plate and the second attachment plate.
And the base surface in the middle of the circuit board and the circuit board surface
If installing in parallel, said second and said first mounting plate
The mounting plate surface of the mounting board is parallel to the circuit board surface.
The first hole and the second hole on the circuit board
With the screw at the center of the circuit board.
The first mounting plate and the mounting plate of the second mounting plate and
Attach the heat radiation fin surface at right angles to the circuit board surface
The first mounting plate and the second mounting plate.
Mount the board surface on the circuit board at right angles to the circuit board surface.
And screwed in the third hole .

[0005] Before the second mounting plate and the first mounting plate
Placed on a serial circuit board of the first hole and before the circuit board
When the screws are screwed in the second holes, the electronic components to be radiated are fastened together with the mounting plates and mounted on the circuit board.

[0006] implanted a second plurality of substantially parallel heat dissipating fins from one another on the back surface of the base planted a plurality of heat radiating fins,
The height of the radiation fins is substantially equal plane with the outer surface of the second mounting plate.

[0007] A thread is provided in the third hole.

[0008]

A radiator such as an electronic circuit component in which a plurality of radiating fins (radiating plates) are implanted substantially parallel to a base plate in a plane substantially perpendicular to the base surface. a first mounting plate formed by extending a composed plate in one direction, a second mounting plate parallel to the mounting plate forming a U-shaped cross section between the same first mounting plate is provided, the Forming a first hole in the first mounting plate;
And matches the first hole of the second mounting plate.
A second hole is formed at the position, and the U-shaped first hole is formed.
The mounting plate and the heat radiation filter are located at the back of the mounting plate and the second mounting plate.
A third hole partially open in the same direction as the
Form, the first when mounting on a circuit board mounting the electronic circuit components and the like or an electronic circuit components such as using a mounting plate the second mounting plate, wherein an end portion of the circuit board first mounting plate When
By inserting and fitting between the second mounting plates,
The distance between the electronic components to which the heater is attached and the circuit board can be reduced,
Easily it can be attached to the end of the road the substrate, the first INSTALLATION
The mounting plate surfaces of the plate and the second mounting plate are parallel to the circuit board surface.
On the circuit board, and the first hole and
The circuit board can be mounted by screwing it in the second hole.
The base surface can be mounted in the middle of the board in parallel with the circuit board surface.
The mounting plate surfaces of the first mounting plate and the second mounting plate
Mounted on the same circuit board at right angles to the circuit board surface and
Screw in the third hole with a self-tapping screw
By attaching, the first mounting plate and the second
The mounting plate and the radiating fin surface of the mounting plate
Angular mounting, that is, conventional mounting is also possible
Become .

[0009] Before the second mounting plate and the first mounting plate
Placed on a serial circuit board of the first hole and before the circuit board
At the time of screwing with the second hole , an electronic component to be a heat radiating body is fastened together with the mounting plates and mounted on the circuit board, thereby facilitating mounting to the center of the board.

[0010] implanted a second plurality of substantially parallel heat dissipating fins from one another on the back surface of the base planted a plurality of heat radiating fins,
The height of the heat radiating fins by substantially equal plane with the outer surface of the second mounting plate, stops stability when the heat radiation area attached to the growing and substrate.

[0011] By providing a thread in the third hole, it can be stopped with a normal screw.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A radiator according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a circuit diagram of a radiator according to the present invention.
Examples for installing the edge of the substrate (A) sketch a side view (B). On the base 1a of the radiator 1, a plurality of radiating fins (radiating plates) are provided in a plane substantially perpendicular to the base surface.
1b is planted substantially in parallel. The base 1a has a base 1a
A first mounting plate 1d extending in one direction is provided, and a second mounting plate 1e parallel to the mounting plate 1d is formed between the first mounting plate 1d and the first mounting plate 1d. An end 2a of the circuit board 2 on which the transistor 3 and the like are mounted is sandwiched and stopped between the first mounting plate 1d and the second mounting plate 1e. The transistor 3 having the legs 3a formed into an L-shape is placed on the upper surface of the first mounting plate 1d, and the mounting portion 3b of the transistor 3 is fixed to the screw hole 1f formed in the first mounting plate 1d with a screw 4.

FIG. 2 shows a radiator according to the present invention in a circuit board.
FIG. 7 is a side view of the embodiment when the base surface is attached to the portion in parallel with the circuit board surface . The base 21 of the radiator 21 as described above
A plurality of radiating fins (radiating plates) 21b are planted substantially parallel to a in a plane substantially perpendicular to the base surface. Base 21a
A first mounting plate 21 having a base 21a extending in one direction.
A second mounting plate 21e is formed between the first mounting plate 21d and the first mounting plate 21d. The second mounting plate 21e has a U-shape and is parallel to the mounting plate 21d. The radiator 21 is placed on the circuit board 22 on which the transistor 23 and the like are mounted. The transistor 23 having the leg 23a formed into an L shape is placed on the upper surface of the first mounting plate 21d, and the mounting portion 23b of the transistor 23 and the first mounting plate 21d and the second mounting plate 21e are connected to the first mounting plate. 21
The screw 24 and the nut 25, which have passed through the hole 21f formed in the second mounting plate 21e and the second mounting plate 21e, are fastened together and stopped.

On the opposite side of the plurality of radiating fins 21b implanted on the base 21a of the radiator 21, a second radiating fin 21 is provided.
c is planted. The height of the second radiation fin 21c is:
The outer surface of the second mounting plate 21e is in the same plane. By doing so, the tip of the second radiating fin 21c is
And the radiator 21 is stably attached without looseness.

A radiator according to the present invention is mounted in the middle of a circuit board.
Surfaces of the mounting plates of the first mounting plate and the second mounting plate and the radiation fins
In a case where the first mounting plate 21d and the second mounting plate 21e are formed in a U-shape, a partially open hole 26 is provided in the deep portion of the gap between the first mounting plate 21d and the second mounting plate 21e. The surfaces of the radiating fins 21b and the base 21a of the radiator 21 are set up at right angles to the surface of the circuit board 22 (not shown), and self-tapping is performed in a hole (not shown) formed in the substrate 22 from the back of the circuit board 22. It is screwed into the hole 26 through a screw or the like. By screwing the holes, ordinary screws can be used instead of self-tapping screws.

[0016]

As described above, the radiator is provided with two mounting plates extending parallel to the base of the radiator, and the two mounting plates are provided with the first and second mounting plates.
A first hole and a second hole are formed, and in the inner portions of both mounting plates.
By forming the third hole , the radiator is located at the end of the circuit board.
Can be easily attached to the middle part , and it can also attach L-shaped formed electronic components, and a versatile radiator that can adopt the same mounting structure as before can be standardized. It is economical.

[Brief description of the drawings]

FIG. 1 is (A) a plan view and (B) a side view of one embodiment of a radiator according to the present invention.

FIG. 2 is a side view of another embodiment of the radiator according to the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 radiator 1a base 1b radiating fin 1d first mounting plate 1e second mounting plate 1f screw hole 2 circuit board 3 transistor 3a leg 3b mounting portion 4 screw 21 radiator 21a base 21b radiating fin 21c second radiating fin 21d 1st mounting plate 21e 2nd mounting plate 21f hole 22 circuit board 23 transistor 23a leg 23b mounting part 24 screw 25 nut 26 hole

Claims (4)

(57) [Claims] 1. A radiator for an electronic circuit component or the like in which a plurality of radiating fins (radiating plates) are planted substantially parallel to a base plate in a plane substantially perpendicular to the base surface. A first mounting plate formed by extending a base plate in one direction and a second mounting plate parallel to the mounting plate forming a U-shaped cross section are provided between the first mounting plate and the first mounting plate. And a first hole in the first mounting plate.
Formed and aligned with the first hole of the second mounting plate.
A second hole is formed at a position where it matches, and the U-shaped second hole is formed.
The mounting plate and the release plate are located at the back of the first mounting plate and the second mounting plate.
A third part of which is opened in the same direction as the surface of the heat fin
Hole is formed, the first when mounting on a circuit board mounting the electronic circuit components and the like or an electronic circuit components such as using a mounting plate the second mounting plate, place to be attached to an end portion of the circuit board
In this case, the end of the circuit board is connected to the first mounting plate and the second mounting plate.
Between the mounting plates of
Attach the base surface in the middle of the board parallel to the circuit board surface
The first mounting plate and the second mounting plate.
Place the board surface on the same circuit board in parallel with the same
Screwing the circuit board with the first hole and the second hole
So that the first board is attached to the center of the circuit board.
The attachment plate of the attachment plate and the second attachment plate and the radiation fin
If the surface is mounted at right angles to the circuit board surface,
The mounting plate surfaces of the first mounting plate and the second mounting plate are mounted on the same circuit board.
The third hole is mounted on the circuit board in a direction perpendicular to the plate surface.
A radiator characterized by mounting with screws . Wherein said first mounting plate the second mounting plate
Said first hole is put on the circuit board in the circuit board and
When screwing in the second hole, the radiator according to claim 1, wherein the wherein the attaching an electronic component to be the heat radiating body and fastened at the same two mounting plates to the circuit board. 3. implanted a second plurality of substantially parallel heat dissipating fins from one another on the back surface of the base planted a plurality of heat dissipating fins, the height of the heat radiating fins and the outer surface of said second mounting plate radiator according to claim 1 Symbol placement was characterized by substantially equal plane. 4. A radiator according to claim 1 wherein characterized in that providing threaded into said third bore.