A kind of heat dissipation device
Technical field
The utility model belongs to heat abstractor technical field, and in particular to a kind of heat dissipation device.
Background technique
Insulated gate bipolar transistor (English: (Insulated Gate Bipolar Transistor;Referred to as: IGBT)
It is a kind of novel power transistor for controlling transistor, there is voltage is high, electric current is big, frequency is high, conducting resistance is small etc.
Feature is widely used in the electric machine controller of all kinds of electric cars or hybrid vehicle with servo motor, and servo is electric
Machine controller is a kind of controller for controlling servo motor, and effect is similar to frequency converter and acts on common alternating current motor,
The a part for belonging to servo-system is mainly used in high-precision positioning system.Generally by position, speed and three kinds of torque
Mode controls servo motor, realizes high-precision transmission system positioning, is currently the high-end product of drive technology.Due to
Containing the fever original part such as IGBT module in servomotor controller, a large amount of heat is generated during the work time, is influenced using the longevity
Life.
Utility model content
The purpose of this utility model is to provide a kind of heat dissipation devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of heat dissipation device, including
Upper cover, heat-conducting plate, heat dissipation group and heat sink strip, the upper cover and heat dissipation group are cuboid structure, and the upper cover front end face is left
Panel is installed, the right top offers wiring hole and socket, before the upper cover back end surface is fixedly connected with heat-conducting plate among side
Side end face, the heat-conducting plate back end surface are fixedly connected with heat dissipation group, insulation spacer, the heat dissipation are connected with after the heat dissipation group
Group top offers multiple groups air hole, and the insulation spacer back end surface is fixedly connected with multiple groups heat sink strip, the upper cover bottom end
It is fixedly connected with angle, multiple groups mounting hole is offered on the angle.
Preferably, the heat-conducting plate and insulation spacer are rectangular plate-like structure, are evenly coated with heat conductive silica gel on the upper lid
Layer, the heat-conducting plate are fitted in upper cover back end surface, and the insulation spacer is fitted in heat dissipation group back end surface.
Preferably, two groups of fan boxs are equipped in the heat dissipation group, the fan box is cylindrical structure, two groups of fans
Box setting is in same horizontal line and parallel with place plane, and the fan box center offers shaft hole, and the fan box is to turn
Axis hole is center annular array multiple groups flabellum, and the flabellum is plugged on fan box, and matched fan is offered on the fan box
Leaf spliced eye, the flabellum are externally provided with catch net, and the catch net is looped around on the outside of flabellum and does not contact with flabellum, the protection
Netcom crosses mounting bracket and is fixedly connected with heat dissipation group inner wall.
Preferably, the fan box is fixedly connected by shaft with heat dissipation group, among the end face of heat dissipation group front and rear sides
Position is inlaid with bearing, and the bearing centre offers the shaft hole with the mating installation of shaft, and the both ends of the shaft is inlayed
In bearing.
Preferably, the heat sink strip is cuboid structure, and controller heating power member is fixedly connected on the heat sink strip
Part Mosfet, the heat sink strip top offer fixed bolt hole, and the heat sink strip is threadedly coupled felt pad by fixing bolt
Piece.
The technical effect and advantage of the utility model: the heat dissipation device, heat conduction silicone and heat-conducting plate are fast
Heat is reached heat dissipation group by speed, improves radiating efficiency, and air hole facilitates the air circulation of heat dissipation group, is accelerated air flowing and is taken away
Heat, heat sink strip further radiate, and increase the service life of the heat dissipation device, and angle is equipped with installation
Hole, it is easy to support, also facilitate installation, structure is simple easy to repair with maintenance, two groups of radiator fans is equipped in heat dissipation group, outside fan
There is catch net in face, protects flabellum not frayed, and flabellum box is also avoided to be worn, and improve flabellum box flabellum box uses the longevity
Life, the heat dissipation device, structure simple designs are reasonable, prolong the service life, and saved economic cost, can be universal
It promotes the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the rearview of the utility model;
Fig. 3 is the heat dissipation group orthogonal view of the utility model;
Fig. 4 is the sectional side view of the utility model.
In figure: 1 upper cover, 101 heat conduction silicones, 2 heat-conducting plates, 3 heat dissipation groups, 4 air holes, 5 wiring holes, 6 sockets, 7 panels,
8 mounting holes, 9 angles, 10 insulation spacers, 11 heat sink strips, 12 fixing bolts, 13 catch nets, 1301 mounting brackets, 14 flabellums,
15 fan boxs, 16 shafts, 17 bearings, 18 controller heating power element Mosfet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of heat dissipation device as shown in Figs 1-4, including upper cover 1, heat-conducting plate
2, heat dissipation group 3 and heat sink strip 11, the upper cover 1 and heat dissipation group 3 are cuboid structure, in the 1 front end face left side of upper cover
Between panel 7 is installed, the right top offers wiring hole 5 and socket 6, before 1 back end surface of upper cover is fixedly connected with heat-conducting plate 2
Side end face, 2 back end surface of heat-conducting plate are fixedly connected with heat dissipation group 3, insulation spacer 10, institute are connected with after the heat dissipation group 3
It states 3 top of heat dissipation group and offers multiple groups air hole 4,10 back end surface of insulation spacer is fixedly connected with multiple groups heat sink strip 11,
1 bottom end of upper cover is fixedly connected with angle 9, offers multiple groups mounting hole 8 on the angle 9.
Specifically, the heat-conducting plate 2 and insulation spacer 10 are rectangular plate-like structure, it is evenly coated in the upper cover 1 thermally conductive
Layer of silica gel 101, the heat-conducting plate 2 are fitted in 1 back end surface of upper cover, and the insulation spacer 10 is fitted in 3 back end surface of heat dissipation group,
The heat-conducting plate 2 is made of heat conductive silica gel material.
Specifically, be equipped with two groups of fan boxs 15 in the heat dissipation group 3, the fan box 15 is cylindrical structure, described two
In same horizontal line and parallel with place plane, 15 center of fan box offers shaft hole, described for the group setting of fan box 15
Fan box 15 is using shaft hole as center annular array multiple groups flabellum 14, and the flabellum 14 is plugged on fan box 15, the fan
Matched flabellum spliced eye is offered on box 15, the flabellum 14 is externally provided with catch net 13, and the catch net 13 is looped around flabellum
It does not contact on the outside of 14 and with flabellum 14, the catch net 13 is fixedly connected with 3 inner wall of heat dissipation group by mounting bracket 1301.
Specifically, the fan box 15 is fixedly connected by shaft 16 with heat dissipation group 3, the 3 front and rear sides end of heat dissipation group
Position is inlaid with bearing 17 among face, and 17 center of bearing offers the shaft hole with the mating installation of shaft 16, and described turn
16 both ends of axis are embedded in bearing 17.
Specifically, the heat sink strip 11 is cuboid structure, controller fever function is fixedly connected on the heat sink strip 11
Rate element Mosfet18, fixed bolt hole is offered above the heat sink strip 11, and the heat sink strip 11 passes through 12 spiral shell of fixing bolt
Line connects insulation spacer 10.
Specifically, the heat dissipation device, heat conduction silicone 101 is made of heat conductive silica gel, and heat conductive silica gel is also known as
Thermally conductive adhering and sealing silicon rubber is one-component, heat-conducting type, room temperature curing organosilicon joint sealant, moisture through the air
Condensation reaction releasing low molecule occurs and causes crosslinking curing, and is sulfided into high performance elastomer, there is brilliant cold-and-heat resistent alternation
Performance, ageing-resistant performance and electrical insulation capability, and be situated between with excellent moisture-proof, antidetonation, Inverter fed motor, anti-electric creepage performance and chemically-resistant
Matter performance.- 60-280 °C of sustainable use and retention property, it is non-swelling and have to most metals and nonmetallic materials good
Good cementability can play heat radiation sealed bonding effect to electronic component and surrounding enviroment not generated with pollution, comply fully with Europe
Alliance ROHS instruction requires, and controller heating power element Mosfet18, Mosfet are metal oxide semiconductor field effect transistor
The use of pipe, abbreviation metal-oxide half field effect transistor, controller heating power element Mosfet18 largely saves electric current or power
Consumption, also reduce the calorific value of integrated circuit, the heat dissipation device, structure simple designs are reasonable, and extension makes
With the service life, economic cost has been saved, can have been used with popularity.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.