CN101355864B

CN101355864B - Radiating device

Info

Publication number: CN101355864B
Application number: CN2007100754297A
Authority: CN
Inventors: 李冬云; 吴伟; 余建平
Original assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Current assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Priority date: 2007-07-27
Filing date: 2007-07-27
Publication date: 2011-03-30
Anticipated expiration: 2027-07-27
Also published as: CN101355864A

Abstract

The present invention discloses a heat dissipating device fixed on a circuit board inside a machine case for dissipating the heat of heat generating electronic elements thereon. The machine case comprises a first panel and a second panel which are interconnected to form a certain angle. The circuit board is fixed on the first panel. The heat dissipating device comprises two relative ends, wherein one end part is fixed on the first panel of the machine case, while the other end part is fixed on the second panel of the machine case by a fixing part. The fixing part comprises a fixing plate fixed on the second panel of the machine case and a connection plate fixably connected to the other end part of the heat dissipating device. Compared with the prior art, as the two end parts of the heat dissipating device are fixed on the panels of the machine case, the shearing force to the circuit board due to the gravity of the heat dissipating device is largely reduced, and thus the circuit board is effectively protected.

Description

Heat abstractor

Technical field

The present invention relates to a kind of heat abstractor, relate in particular to a kind of heat abstractor that is used for electronic element radiating.

Background technology

Along with the constantly development of electronic information industry, electronic component (particularly central processing unit) running frequency and speed are in continuous lifting, the heat of its generation increases thereupon, make its temperature constantly raise, performance when the central processing unit operation in serious threat, for guaranteeing that central processing unit can normal operation, in time discharge a large amount of heats that central processing unit produced.

For this reason, the industry central processing unit that uses a kind of heat abstractor that comprises a radiator to be fixed on the cabinet mainboard usually is its heat radiation.For radiator and central processing unit are closely contacted to give full play to the heat dispersion of radiator, industry adopts fastener that one end of radiator is fixed on the mainboard usually.Usually, mainboard is in vertical state often in cabinet, and radiator one end is vertically fixed on entire radiator is the level of state, and an other end of this radiator is lateral suspension then.Along with the central processing unit caloric value is increasing, the volume of the radiator that industry adopted and weight are also increasing, and the gravity of described radiator can produce very big shearing force, as easy as rolling off a log infringement mainboard and other electronic components to mainboard.Especially when radiator had fan work, fan rotated and brings certain vibration, will produce bigger influence to mainboard.

Summary of the invention

In view of this, be necessary to provide a kind of heat abstractor that radiator is fixing well in fact.

A kind of heat abstractor, for fixing to dispelling the heat on the circuit board in the cabinet and to the heat-generating electronic elements on it, described cabinet comprises interconnective first panel and second panel at an angle, described circuit board is fixed on described first panel, described heat abstractor comprises opposite end, wherein an end is fixed on first panel of cabinet, the other end is fixed on second panel of cabinet by a fixture, described fixture comprises a fixed head and a plate, described fixed head is fixed on second panel of described cabinet, and described connecting plate is fixedlyed connected with described the other end of described heat abstractor.

Compared with prior art,, significantly reduced the shearing force of the gravity of heat abstractor, this circuit board is effectively protected circuit board because the both ends of described heat abstractor are fixed on the panel of cabinet simultaneously.

The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.

Description of drawings

Fig. 1 is that heat abstractor of the present invention is installed on the assembly drawing on the circuit board in the cabinet.

Fig. 2 is the three-dimensional exploded view of heat abstractor of the present invention among Fig. 1.

Fig. 3 is the front view of the heat abstractor of Fig. 1 under in running order.

Embodiment

See also Fig. 1 to Fig. 3, be the preferred embodiment of heat abstractor of the present invention.This heat abstractor 100 is used to be installed in the electronic system, and this electronic system comprises a cabinet 200 and a circuit board 300.This cabinet 200 comprises one first panel 210 and vertical second panel 220 that connects this first panel 210.This first panel 210 is in vertical state shown in Figure 3 usually.Described circuit board 300 parallel first panels 210 that are installed on also are in vertical state.One heat-generating electronic elements 80 is installed on the described circuit board 300, and described heat abstractor 100 vertically is installed on the circuit board 300 this electronic component 80 is dispelled the heat.

Four heat pipes 30 that this heat abstractor 100 is included in a pedestal 10 of one end, the radiator 20 with some first radiating fins 28, some second radiating fins 40 and connects this pedestal 10, radiator 20 and second radiating fin 40.Heat abstractor 100 also comprises a connector 50 in its other end, and one connects second panel 220 of cabinet 200 and the fixture 60 of this connector 50.

Described pedestal 10 has a bottom surface (figure is mark not) and contacts with described electronic component 80 in order to be fixed on the circuit board 300, and one is provided with the four grooves end face of (figure does not show) (figure is mark not).10 4 jiaos of this pedestals extend a fixing feet 11, four screws 15 respectively downwards and pass these fixing feet 11 and circuit board 300 respectively, closely cooperate at opposite side and some nuts (scheming not show) of circuit board 300, so that pedestal 10 is fixed on the circuit board 300.

Heat pipe 30 comprises the heat release section 36 that an endotherm section 33 and two that flattens vertically extends in the same way from endotherm section 33 two ends, and this heat release section 36 is parallel to each other.The endotherm section 33 of described heat pipe 30 is welded in the groove of described pedestal 10, and its heat release section 36 wears and connects described second radiating fin 40 and described connector 50.

Described radiator 20 comprises a base plate 24, this base plate 24 have one with the bottom surface (figure does not show) of the upper surface of heat pipe 30 endotherm sections 33 and pedestal 10 welding.Described first radiating fin 28 is from these base plate 24 vertical extent and be parallel to each other.

Second radiating fin 40 wears and is welded on the described heat pipe 30 and is parallel to described heat-conducting plate 10.Each second radiating fin 40 is made by a thin slice and is roughly rectangular.Each second radiating fin 40 extends two flanges 44 vertically downward with the identical distance of adjacent second radiating fin 40 at interval from the limit, two opposite sides.Wherein these flanges 44 are parallel with described first radiating fin 28, to form the identical gas channel of some directions with first radiating fin 28.Each second radiating fin 40 is provided with some perforation 48, and encloses a ring wall (figure is mark not) in each perforation 48.The heat release section 36 of heat pipe 30 wears the perforation 48 of second radiating fin 40 and welds with ring wall, and makes second radiating fin 40 be fixed on radiator 20 tops.

Connector 50 comprises that one is positioned at location-plate 51 and self-align plate 51 outward extending two cylindrical column 53 from the demihull shape in pedestal second radiating fin, 40 outsides farthest.This location-plate 51 is identical with the shape of second radiating fin 40, is provided with equally corresponding to some through holes 55 of the heat release section 36 of heat pipe 30 and the ring wall 57 that outwards encloses from through hole 55.The ring wall 57 of connector 50 and the heat release section of described heat pipe 30 36 terminal fixedlying connected.This cylinder 53 stretches out perpendicular to this connecting plate 51 from the relative two edges near this location-plate 51.

Fixture 60 is made by the material with certain intensity, as alloy materials such as iron and steel.This fixture 60 comprises that a fixed head 66 and vertically is connected and fixed the connecting plate 62 of plate 66.This connecting plate 62 is provided with two perforation, 622 cylinders 53 to accommodate described connector 50.Described fixed head 66 is fixedly connected on second panel 220 of cabinet 200 by screw (figure does not look) or other modes.

Please consult Fig. 3 once more, when in running order, it roughly is level and sets up in heat abstractor 100 is placed in cabinet 200.These heat abstractor 100 1 ends wear pedestal 10 by screw 15 and are fixed on the circuit board 300, promptly are fixed on first panel 210 of cabinet 200, and its other end is fixed on second panel 220 of cabinet 200 by fixture 60.Therefore, the gravity of heat abstractor 100 was supported by two ends and being connected simultaneously of cabinet 200, had significantly reduced the shearing force of the gravity of heat abstractor 100 to circuit board 300, make circuit board 300 with and on electronic component be effectively protected.

Claims

1. heat abstractor, for fixing to dispelling the heat on the circuit board in the cabinet and to the heat-generating electronic elements on it, described cabinet comprises interconnective first panel and second panel at an angle, described circuit board is fixed on described first panel, it is characterized in that: described heat abstractor comprises opposite end, wherein an end is fixed on first panel of cabinet, the other end is fixed on second panel of cabinet by a fixture, described fixture comprises a fixed head and a plate, described fixed head is fixed on second panel of described cabinet, and described connecting plate is fixedlyed connected with described the other end of described heat abstractor.

2. heat abstractor as claimed in claim 1 is characterized in that: described heat abstractor comprises a connection piece, and described connector is positioned at described the other end of described heat abstractor, and the connecting plate of described fixture is fixedlyed connected with described connector.

3. heat abstractor as claimed in claim 2 is characterized in that: described connector has from outward extending two cylinders in described the other end of described this heat abstractor, and the connecting plate of described fixture is provided with two perforation to accommodate the cylinder of described connector.

4. heat abstractor as claimed in claim 3 is characterized in that: described connector has the location-plate of described the other end of being located at described heat abstractor, and described cylinder is vertical extent outside the lateral of this location-plate.

5. heat abstractor as claimed in claim 4 is characterized in that: the end that described heat abstractor is fixed in first panel of cabinet is a pedestal, and an end of each heat pipe is fixed on the pedestal, and the other end is connected with the location-plate of described connector.

6. heat abstractor as claimed in claim 5 is characterized in that: described each heat pipe comprises that one is fixed in endotherm section and two on the pedestal from the vertically extending heat release section in endotherm section two ends, and these heat release section are terminal fixedlys connected with connector.

7. heat abstractor as claimed in claim 6, it is characterized in that: be fixed with a radiator on the endotherm section of described heat pipe, this radiator comprise one with the base plate of endotherm section welding and first radiating fin that extends from base plate, some second radiating fins are arranged in the heat release section of described heat pipe.

8. heat abstractor, be installed on the circuit board in the cabinet and and dispel the heat the heat-generating electronic elements on it, described cabinet comprises two mutual first panel connected vertically and second panels, described circuit board is installed on first panel, it is characterized in that: a fixture is fixed in described heat abstractor on described second panel, described fixture comprises a fixed head and a plate, and described fixed head is fixed on described second panel, and described connecting plate is fixedlyed connected with described heat abstractor.

9. heat abstractor as claimed in claim 8 is characterized in that: described heat abstractor has one with the heat-generating electronic elements substrate contacted and place some radiating fins on the pedestal, and a connection piece places described radiating fin top to be connected with fixture.

10. heat abstractor as claimed in claim 9 is characterized in that: described fixed head is perpendicular to described connecting plate, and described connector comprises that a lamellar body reaches the cylinder that extends upward setting from lamellar body, and described cylinder passes the connecting plate of fixture.

11. heat abstractor as claimed in claim 10 is characterized in that: described lamellar body is parallel to described radiating fin.

12. heat abstractor as claimed in claim 9 is characterized in that: some heat pipes connect described pedestal and radiating fin.