CN206442658U - Air cooling heat abstractor - Google Patents

Abstract

A kind of air cooling heat abstractor, for electronic element radiating, comprising：Water conservancy diversion carrier, including first surface, second surface, water conservancy diversion chamber, air guide end opening and multiple stream guidance grooves, wherein water conservancy diversion chamber runs through first surface and second surface, air guide end opening is arranged at first surface and is connected with water conservancy diversion chamber, multiple stream guidance grooves are arranged at second surface and are connected with water conservancy diversion chamber, and wherein electronic component is to be placed in water conservancy diversion chamber；And gas pump, comprising：Resonance plate, with hollow bore；Piezo-activator, it is corresponding with resonance plate to set；And cover plate, with side wall, bottom plate and opening portion, side wall is to surround base portion peripheral and be convexly equipped on bottom plate and form accommodation space with bottom plate, and resonance plate and piezo-activator are disposed in accommodation space.

Description

Air cooling heat abstractor

【Technical field】

This case be on a kind of air cooling heat abstractor, it is espespecially a kind of to provide driving air-flow using gas pump to be radiated Air cooling heat abstractor.

【Background technology】

With the development of science and technology various electronic equipments such as portable computer, tablet personal computer, industrial computer, portable logical Device, audio and video player etc. are interrogated towards lightening, portable and dynamical trend development, these electronic equipments are limited in its Various high integrations or high-power electronic component must be configured in inner space, in order that the arithmetic speed of electronic equipment is faster With it is with better function, the electronic component of electronic equipment internal will produce more heat energy when running, and cause high temperature.In addition, These electronic equipments are largely all designed as frivolous, flat and have compact external form, and without extra inner space for radiating Cooling, therefore the electronic component in electronic equipment is vulnerable to the influence of heat energy, high temperature, and then the problems such as cause interference with or be damaged.

In general, the radiating mode of electronic equipment internal can be divided into active radiating and passive heat radiation.It is active to dissipate It is hot that electronic equipment internal is generally arranged at using tube-axial fan or blast type fan, by tube-axial fan or blast type fan Air-flow is driven, the heat energy transfer produced by electronic equipment internal electronic component radiates in order to realizing.However, tube-axial fan And blast type fan can produce larger noise in running, and its volume is larger is difficult to be thinned and minimizes, moreover axle stream The service life of formula fan and blast type fan is shorter, thus traditional tube-axial fan and blast type fan be not particularly suited for it is frivolous Radiating is realized in change and portable electronic equipment.

Furthermore, many electronic components can using such as surface mount technology (Surface Mount Technology, SMT), the technology such as Selective Soldering (Selective Soldering) is welded in printed circuit board (PCB) (Printed Circuit Board, PCB) on, but the electronic component welded using foregoing welding manner, in through being in high heat energy, high temperature ring for a long time Under border, easily electronic component is set to be separated with printed circuit board (PCB), and most of electronic component also non-refractory, if electronic component is long Time is under high heat energy, hot environment, and the performance stability for being easily caused electronic component declines and reduced lifetime.

Fig. 1 is for the structural representation of known cooling mechanism.As shown in Figure 1, it is known that cooling mechanism is dissipated for a passive type Heat engine structure, it includes thermal transfer plate 12, and the thermal transfer plate 12 is by a heat-conducting glue 13 electronic component 11 phase to be radiated with one Laminating, the heat conduction path formed by heat-conducting glue 13 and thermal transfer plate 12, electronic component 11 can be made using heat transfer and Free convection mode reaches radiating.However, the radiating efficiency of foregoing cooling mechanism is poor, it is impossible to meet application demand.

In view of this, it is necessary to develop a kind of air cooling heat abstractor in fact, to solve prior art problem encountered.

【Utility model content】

The purpose of this case is to provide a kind of air cooling heat abstractor, and it can be applied to various electronic equipments, to be set to electronics Standby internal electronic component carries out circulation hot heat loss through convection, in order to heat radiation efficiency, reduces noise, and make electronic equipment internal The performance of electronic component is stablized and increased the service life.

The another object of this case is to provide a kind of air cooling heat abstractor, and it has function of temperature control, can be according to electronic equipment The temperature change of internal electronic element, controls the running of gas pump, in order to heat radiation efficiency, and extends air cooling heat abstractor Service life.

For up to above-mentioned purpose, the utility model provides a kind of air cooling heat abstractor, for an electronic element radiating, the gas Cooling and radiation device include a water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, an air guide end opening with And multiple stream guidance grooves, the wherein water conservancy diversion chamber is through the first surface and the second surface, and the air guide end opening is arranged at The first surface is simultaneously connected with the water conservancy diversion chamber, the plurality of stream guidance groove be arranged at the second surface and with the water conservancy diversion chamber It is connected, wherein the electronic component is to be placed in the water conservancy diversion chamber；And a gas pump, comprising：One resonance plate, it is hollow with one Hole；One piezo-activator, it is corresponding with the resonance plate to set；And a cover plate, with side wall, a bottom plate and an opening Portion, the side wall is to surround the base portion peripheral and be convexly equipped on the bottom plate and form an accommodation space, and the resonance plate with the bottom plate And the piezo-activator is disposed in the accommodation space, the opening portion is disposed on the side wall, wherein the bottom of the cover plate A first chamber is formed between plate and the resonance plate, the side wall common definition of the resonance plate and the cover plate goes out one and confluxed chamber； Wherein, the cover plate of the gas pump, the piezo-activator and the resonance plate are sequentially from top to bottom to stack to be fixedly arranged on water conservancy diversion load On body, and close the air guide end opening, when the piezo-activator it is driven to carry out gas collection operation when, gas is by the cover plate The opening portion imports and is collected to the chamber that confluxes, and flows through the hollow bore of the resonance plate and enter in the first chamber and keep in, When the piezo-activator it is driven so that operation is exhausted when, gas is the hollow hole that the resonance plate is flowed through by the first chamber Hole and this conflux chamber and be expelled to the air guide end opening, air-flow is imported into this of the water conservancy diversion carrier via air guide end opening leads Flow in chamber and heat exchange is carried out to the electronic component, and the air-flow after heat exchange will be carried out with the electronic component via the plurality of Stream guidance groove is discharged.

For up to above-mentioned purpose, another aspect of implementing of the utility model provides a kind of air cooling heat abstractor, for an electronics Element radiating, the air cooling heat abstractor is included：One water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, One air guide end opening and multiple stream guidance grooves, wherein the water conservancy diversion chamber run through the first surface and the second surface, and this is led Gas end opening is arranged at the first surface and is connected with the water conservancy diversion chamber, and the plurality of stream guidance groove is arranged at the second surface And be connected with the water conservancy diversion chamber, wherein the electronic component is to be placed in the water conservancy diversion chamber；One radiator, is attached at electronics member Part, and positioned at the water conservancy diversion chamber；And a gas pump, comprising：One resonance plate, with a hollow bore；One piezo-activator, with The resonance plate is corresponding to be set；And a cover plate, with side wall, a bottom plate and an opening portion, the side wall is to surround the bottom plate Periphery and be convexly equipped on the bottom plate and with the bottom plate one accommodation space of formation, and the resonance plate and the piezo-activator be disposed on In the accommodation space, the opening portion is disposed on the side wall, wherein forms one between the bottom plate and the resonance plate of the cover plate The side wall common definition of first chamber, the resonance plate and the cover plate goes out one and confluxed chamber；Wherein, the cover plate of the gas pump, The piezo-activator and the resonance plate are sequentially from top to bottom to stack to be fixedly arranged on the water conservancy diversion carrier, and close the air guide end and open Mouthful, when the piezo-activator it is driven to carry out gas collection operation when, gas be by the cover plate the opening portion import be collected to this Conflux chamber, and flow through the resonance plate the hollow bore enter the first chamber in keep in, when the piezo-activator is driven To be exhausted during operation, gas be by the first chamber flow through the resonance plate the hollow bore and this conflux chamber and discharge To the air guide end opening, air-flow is imported via air guide end opening in the water conservancy diversion chamber of the water conservancy diversion carrier and to electronics member Part carries out heat exchange, and is discharged the air-flow after heat exchange is carried out with the electronic component via the plurality of stream guidance groove.

For up to above-mentioned purpose, the another aspect of implementing of the utility model provides a kind of air cooling heat abstractor, for an electronics Element radiating, the air cooling heat abstractor is included：One water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, One air guide end opening and multiple stream guidance grooves, wherein the water conservancy diversion chamber run through the first surface and the second surface, and this is led Gas end opening is arranged at the first surface and is connected with the water conservancy diversion chamber, and the plurality of stream guidance groove is arranged at the second surface And be connected with the water conservancy diversion chamber, wherein the electronic component is to be placed in the water conservancy diversion chamber；One heat conduction tubing string, is attached at the electronics The surface of element, and positioned at the water conservancy diversion chamber；And a gas pump, comprising：One resonance plate, with a hollow bore；One piezoelectricity Actuator, it is corresponding with the resonance plate to set；And a cover plate, with side wall, a bottom plate and an opening portion, the side wall is ring It is convexly equipped in around the base portion peripheral on the bottom plate and forms an accommodation space, and the resonance plate and the piezo-activator with the bottom plate Be disposed in the accommodation space, the opening portion is disposed on the side wall, wherein the bottom plate of the cover plate and the resonance plate it Between form a first chamber, the side wall common definition of the resonance plate and the cover plate goes out one and confluxed chamber；Wherein, the gas pump The cover plate, the piezo-activator and the resonance plate are sequentially from top to bottom to stack to be fixedly arranged on the water conservancy diversion carrier, and close this and lead Gas end opening, when the piezo-activator it is driven to carry out gas collection operation when, gas be by the cover plate the opening portion import converge Collect to the chamber that confluxes, and flow through the hollow bore of the resonance plate and enter temporary in the first chamber, when the piezo-activator It is driven to be exhausted during operation, gas is hollow bore and the chamber that confluxes that the resonance plate is flowed through by the first chamber And the air guide end opening is expelled to, air-flow is imported via air guide end opening in the water conservancy diversion chamber of the water conservancy diversion carrier and to this Electronic component carries out heat exchange, and is arranged the air-flow after heat exchange is carried out with the electronic component via the plurality of stream guidance groove Go out.

【Brief description of the drawings】

Fig. 1 is the structural representation of known cooling mechanism.

Fig. 2A is the structural representation of the air cooling heat abstractor of the preferred embodiment of this case first.

Fig. 2 B are Fig. 2A in the structural representation in A-A ' sections.

Fig. 3 is the structural representation of the water conservancy diversion carrier shown in Fig. 2A.

Fig. 4 is the structural representation of the air cooling heat abstractor of the preferred embodiment of this case second.

Fig. 5 is the structural representation of the air cooling heat abstractor of the preferred embodiment of this case the 3rd.

Fig. 6 A are the back side decomposition texture schematic diagram of the gas pump of the preferred embodiment of this case first.

Fig. 6 B are the positive decomposition texture schematic diagram of the gas pump of the preferred embodiment of this case first.

Fig. 7 is the cross-sectional view of the piezo-activator of the preferred embodiment of this case first.

Fig. 8 A~8D is the flowage structure figure of the gas pump start of the preferred embodiment of this case first.

Fig. 9 is the configuration diagram of the air cooling heat abstractor of the preferred embodiment of this case the 4th.

【Embodiment】

Embodying some exemplary embodiments of this pattern characteristics and advantage will in detail describe in the explanation of back segment.It should be understood that This case can have various changes in different aspects, and it does not all depart from the scope of this case, and explanation therein and schema Inherently it is illustrated as being used, not for limitation this case.

Refer to the structural representation for the air cooling heat abstractor that Fig. 2A, 2B, 3, Fig. 2A are the preferred embodiment of this case first, figure 2B be Fig. 2A in the structural representation in A-A ' sections, Fig. 3 is the structural representation of the water conservancy diversion carrier shown in Fig. 2A.As illustrated, The air cooling heat abstractor 2 of this case can be applied to an electronic equipment, such as, but not limited to portable computer, tablet personal computer, industrial electro Brain, portable communication device, audio and video player, to be radiated to electronic component 3 to be radiated in electronic equipment.The gas of this case Cooling and radiation device 2 includes water conservancy diversion carrier 20, gas pump 22.Water conservancy diversion carrier 20 includes first surface 20a, second surface 20b, water conservancy diversion Chamber 201, air guide end opening 202 and multiple stream guidance grooves 203, wherein water conservancy diversion chamber 201 be through first surface 20a and Second surface 20b, air guide end opening 202 is arranged at first surface 20a and is connected with water conservancy diversion chamber 201.Multiple stream guidances Groove 203 is disposed on second surface 20b, and to supplied gas circulation, one end of each of which stream guidance groove 203 is to be communicated in Water conservancy diversion chamber 201, and each stream guidance groove 203 the other end be extend to water conservancy diversion carrier 20 side frame 204 and with outside It is connected, the side frame 204 of water conservancy diversion carrier 20 forms multiple exhaust end openings 205 whereby.The water conservancy diversion chamber 201 of water conservancy diversion carrier 20 is It is installed with electronic component 3.Gas pump 22 is fixedly arranged on the first surface 20a of water conservancy diversion carrier 20, and assembling is positioned at air guide end and opened Mouth 202, and close the air guide end opening 202.Wherein by driving gas pump 22, by air-flow via air guide end opening 202 Import the water conservancy diversion chamber 201 of water conservancy diversion carrier 20 and heat exchange is carried out to electronic component 3, and hot friendship will be carried out with the electronic component 3 Air-flow after changing is discharged via multiple stream guidance grooves 203, in order to the radiating realized to electronic component 3.

In some embodiments, water conservancy diversion carrier 20 can be but be not limited to a framework.In the present embodiment, air guide end opening 202 be the middle section positioned at first surface 20a.Electronic component 3 is with first surface 3a and second surface 3b, and with second Surface 3b is arranged on a bearing substrate 4, and wherein bearing substrate 4 can be but be not limited to printed circuit board (PCB), and in some embodiments In, can more scribble heat-conducting glue 5 between the second surface 3b of bearing substrate 4 and electronic component 3, that is, electronic component 3 be through its Two surface 3b are stacked and are arranged on bearing substrate 4 with heat-conducting glue 5, but are not limited thereto.Bearing substrate 4 is and water conservancy diversion carrier 20 second surface 20b is connected, and electronic component 3 is placed in the water conservancy diversion chamber 201 of water conservancy diversion carrier 20.Multiple water conservancy diversion rows Air drain 203 is disposed on second surface 20b, and is stretched out in radial mode.In some embodiments, multiple stream guidances The exhaust end opening 205 that the other end of groove 203 is formed is the multiple side frames 204 and multiple edges positioned at water conservancy diversion carrier 20 207, whereby air-flow can be made to be discharged in the periphery of water conservancy diversion carrier 20.

In the present embodiment, gas pump 22 be for a piezoelectric actuated gas pump, it is dynamic to drive gas flow.Gas pump 22 is It is fixedly arranged on the first surface 20a of water conservancy diversion carrier 20, and assembling is positioned at air guide end opening 202, and close the air guide end and open Mouth 202.Bearing substrate 4 is the second surface 20b that laminating is arranged at water conservancy diversion carrier 20, in other words water conservancy diversion carrier 20 and gas pump 22 Assembly be that cover lid is engaged on bearing substrate 4, and make electronic component 3 and be placed in the water conservancy diversion chamber 201 of water conservancy diversion carrier 20 In.By gas pump 22 and the closing of bearing substrate 4 air guide end opening 202, can make air guide end opening 202, water conservancy diversion chamber 201 and Multiple definition of stream guidance groove 203 form closed runner, can concentrate whereby and electronic component 3 is radiated, in order to heat radiation efficiency. It is emphasized that this case is not limited with forming closed runner, other runner forms can also be adjusted according to practical application request With change.Certainly, in another embodiment (not shown), water conservancy diversion carrier 20 may also set up a holding part, in air guide end opening 202 Periphery, it is the groove that first surface 20a caves inward to imply that holding part, in the periphery of air guide end opening 202, direct group of gas pump 22 Loaded on air guide end opening 202 is closed on holding part, it can also equally implement the thermolysis of above-mentioned air cooling heat abstractor 2.Such as This gas pump 22 is recessed to put the design being assembled in holding part, to reduce the whole height of air cooling heat abstractor 2, and can reach frivolous The effect of change.

In the present embodiment, gas pump 22 is dynamic to drive gas flow, by gas by the outside of air cooling heat abstractor 2 Imported via air guide end opening 202 in water conservancy diversion chamber 201.When gas pump 22 introduces gas into water conservancy diversion chamber 201, gas is imported Body carries out heat exchange with the electronic component 3 in water conservancy diversion chamber 201, and promotes the air-flow in water conservancy diversion chamber 201 quickly to flow, and promotes Heat energy is drained into the outside of air cooling heat abstractor 2 by the air-flow after heat exchange via multiple stream guidance grooves 203 of water conservancy diversion carrier 20. Because gas pump 22 is continuously start to import gas, the gas that electronic component 3 can be with being continuously introduced into is set to carry out heat exchange, together When the gas after heat exchange is discharged via multiple stream guidance grooves 203 of water conservancy diversion carrier 20, can realize whereby to electronic component 3 Radiating, and heat dissipation can be improved, and then increase performance stability and the life-span of electronic component 3.

Fig. 4 is the cross section structure schematic diagram of the air cooling heat abstractor of this case second embodiment.As shown in figure 4, the present embodiment Air cooling heat abstractor 2a it is similar to the air cooling heat abstractor 2 shown in Fig. 2 B, and identical element numbers represent identical structure, Element and function, are repeated no more in this.Compared to the air cooling heat abstractor 2 shown in Fig. 2 B, the air cooling heat abstractor of the present embodiment 2a further includes a radiator 25, is connected in the first surface 3a of electronic component 3, and in water conservancy diversion chamber 201.Radiator 25 include a base 251 and multiple fin 252, and base 251 is attached at the surface of electronic component 3, and multiple fin 252 are vertical It is direct-connected to be connected to base 251.By the setting of radiator 25, area of dissipation can be increased, make heat energy produced by electronic component 3 can be through By radiator 25 with importing the gas progress heat exchange in water conservancy diversion chamber 201, in order to heat radiation efficiency.

Fig. 5 is the cross section structure schematic diagram of the air cooling heat abstractor of this case 3rd embodiment.As shown in figure 5, the present embodiment Air cooling heat abstractor 2b it is similar to the air cooling heat abstractor 2 shown in Fig. 2 B, and identical element numbers represent identical structure, Element and function, are repeated no more in this.Compared to the air cooling heat abstractor 2 shown in Fig. 2 B, the air cooling heat abstractor of the present embodiment 2b includes a heat conduction tubing string 26, is connected in the surface of electronic component 3 and in water conservancy diversion chamber 201.Heat conduction tubing string 26 is pasted The first surface 3a of electronic component 3 is invested, and heat conduction tubing string 26 is as made by the Heat Conduction Material of tool high thermal conductivity coefficient.In some realities Apply in example, one end of heat conduction tubing string 26 is to extend the outside of water conservancy diversion carrier 20 by the side frame 204 of water conservancy diversion carrier 20 to carry out heat exchange, And the other end of heat conduction tubing string 26 extends to the surface of electronic component 3 and is in contact with electronic component 3.By heat conduction tubing string 26 Set, the heat energy produced by can making electronic component 3 can be via heat conduction tubing string 26 with the gas in water conservancy diversion chamber 201 more quickly Heat exchange is carried out, in order to heat radiation efficiency.

The back side decomposition texture schematic diagram for the gas pump that Fig. 6 A and 6B, Fig. 6 A are the preferred embodiment of this case first is referred to, Fig. 6 B are the positive decomposition texture schematic diagram of the gas pump of the preferred embodiment of this case first.As illustrated, the gas pump 22 of this case Include the elements such as resonance plate 221, piezo-activator 222, cover plate 226.Resonance plate 221 has a hollow bore 221a, is correspondence Set in the air guide end opening 202 of water conservancy diversion carrier 20.Piezo-activator 222 has suspension board 2221, housing 2222, piezoelectricity member Part 2223 and the grade element of an at least support 2224, gas pump 22 is driven to receive application voltage.Cover plate 226 has side wall 2261st, bottom plate 2262 and opening portion 2263, side wall 2261 is to surround the periphery of bottom plate 2262 and be convexly equipped on bottom plate 2262, and with bottom Plate 2262 is collectively forming accommodation space 226a, is disposed therein with for resonance plate 221 and piezo-activator 222, opening portion 2263 are disposed on side wall 2261, pass outwards through opening portion 2263 with the conductive connecting pin 2222a for housing 2222 and protrude Outside cover plate 226, in order to be connected with external power source, but it is not limited.In the present embodiment, during suspension board 2221 has Center portion 2221c and peripheral part 2221d, when piezoelectric element 2223 is driven by voltage, suspension board 2221 can by central part 2221c to Peripheral part 2221d flexural vibrations, housing 2222 is to surround the outside for being arranged at suspension board 2221, and with a conductive connecting pin 2222a, conductive connecting pin 2222a are that convex is located on housing 2222, to the use for connection of powering, but are not limited.Piezoelectricity Element 2223 has a length of side, and the length of side is less than or equal to the length of side of suspension board 2221, but is not limited, and piezoelectric element 2223 be the second surface 2221b for being attached at suspension board 2221, deformation is produced to receive applied voltage, to drive suspension board 2221 flexural vibrations.At least a support 2224 is disposed between suspension board 2221 and housing 2222, and the 2224 of each support Two ends be connection suspension board 2221 and housing 2222, to provide resilient support.

In the present embodiment, the gas pump 22 of this case further includes two insulating trips 223,225 and a conducting strip 224, but simultaneously It is not limited, wherein, two insulating trips 223,225 are to be respectively arranged at conducting strip about 224, and its profile is to correspond roughly to pressure The housing 2222 of electric actuator 222, and be made up of the material that can be insulated, for example：Plastic cement, with the use insulated, but all It is not limited, conducting strip 224 is then as made by conductive material, for example：Metal, with the use conducted, and its profile Also it is the housing 2222 for corresponding roughly to piezo-activator 222, but is all not limited.In the present embodiment, conducting strip 224 On a conductive connecting pin 224a also can be set, conduct and be used, conductive connecting pin 224a is also such as the conductive connecting pin of housing 2222 2222a passes outwards through the opening portion 2263 of cover plate 226 and protruded from outside cover plate 226, in order to be connected with external power source.

Referring to Fig. 7, cross-sectional views of the Fig. 7 for the piezo-activator of the preferred embodiment of this case first.As schemed Show, in the present embodiment, the suspension board 2221 of this case is the structure for cascaded surface, i.e., in the first surface 2221a of suspension board 2221 Central part 2221c on have more a convex portion 2221e, and convex portion 2221e is a circular protrusions structure, but is not limited thereto, In some embodiments, suspension board 2221 also can be two-sided smooth tabular square.The convex portion 2221e of suspension board 2221 be with The first surface 2222b coplines of housing 2222, and the first surface 2221a and the first surface of support 2224 of suspension board 2221 2224a is also copline, in addition, the convex portion 2221e and the first surface 2222b and suspension board of housing 2222 of suspension board 2221 It is that there is a certain depth between 2221 first surface 2221a and the first surface 2224a of support 2224.As for suspension board 2221 second surface 2221b, it is to be with the second surface 2222c of housing 2222 and the second surface 2224b of support 2224 Smooth coplanar structure, and piezoelectric element 2223 is then attached at the second surface 2221b of this smooth suspension board 2221.In In other embodiments, the kenel of suspension board 2221 also can be a two-sided smooth tabular square structure, be not limited thereto, It can appoint according to situation is actually applied and apply change.In some embodiments, suspension board 2221, housing 2222 and support 2224 are can The structure being formed in one, and can be made up of a metallic plate, it can be for example made up of stainless steel, but be not limited. Again in the present embodiment, this case gas pump 22 is empty with more at least one between suspension board 2221, housing 2222 and support 2224 Gap 2225, passes through to supplied gas.

The start flow of this case gas pump 22 further explained below, schemes please refer to 8A~8D, wherein 8A~ 8D figures are the start process schematics of the gas pump for the preferred embodiment of this case first.First, as shown in 8A figures, gas pump 22 Structure be it has been observed that for sequentially by cover plate 226, another insulating trip 225, conducting strip 224, insulating trip 223, piezo-activator 222 and the positioning of 221 stack assembly of resonance plate form, and in the piezo-activator 222 after combination stacked, insulating trip 223, conductive Piece 224, the surrounding of another insulating trip 225 give gluing formation colloid 218, and then fill up the accommodation space 226a of cover plate 226 Periphery and complete sealing.It is with gap g0, and resonance plate 221 and cover plate between resonance plate 221 and piezo-activator 222 226 common definition of side wall 2261 goes out to conflux chamber 227a, then has between the bottom plate 2262 of resonance plate 221 and cover plate 226 First chamber 227b.When gas pump 22 is not yet driven by voltage, the position of its each element is i.e. as shown in 8A figures.

Then as shown in 8B figures, when the piezo-activator 222 of gas pump 22 is vibrated upwards by voltage actuation, gas It can be entered by the opening portion 2263 of cover plate 226 in gas pump 22, and be pooled to the chamber 227a that confluxes, then again via resonance plate Hollow bore 221a on 221 is flowed upwardly into first chamber 227b, while resonance plate 221 is by piezo-activator 222 The resonance of suspension board 2221 influence also can with carry out reciprocating vibration, i.e., resonance plate 221 with upward deformation, i.e. resonance plate 221 The upward dimpling at hollow bore 221a.

Thereafter, then as shown in 8C figures, now piezo-activator 13 is to vibrate back initial position downwards, and make piezoelectric actuated The convex portion 2221e of the suspension board 2221 of device 222 promotes the gas in lower half storey first chamber 227b to push away close to resonance plate 221 Circulation is passed through in the space 2225 for pressing to both sides flowing and passing through piezo-activator 222 upwards, to flow to upper half storey first chamber Kept in 227b.Thus implementation aspect is visible, and when resonance plate 221 carries out vertical reciprocating vibration, being can be by resonance plate 221 Gap g0 between piezo-activator 222 is to increase the ultimate range of its vertical displacement, in other words, in resonance plate 221 with The gap g0 of setting between piezo-activator 222 can make resonance plate 221 to produce upper and lower displacement by a larger margin when resonance.

For another example shown in 8D figures, piezo-activator 222 vibrates still further below, and resonance plate 221 is due to by piezo-activator 222 The resonant interaction of vibration, resonance plate 221 also can with downward vibration, promote the gas in upper half storey first chamber 227b push to Both sides are flowed and pass through the space 2225 of piezo-activator 222 passes through circulation downwards, to flow to the hollow bore of resonance plate 221 Discharge is compressed at 221a, one compressed air stream is formed and sentences to enter thermal transfer plate 4 to the air guide end opening 23 of bearing substrate 20 Row radiating.

Finally, resonance plate 221 can be repositioned to initial position, i.e., as shown in 8A figures, and then through foregoing start flow, By the order persistent loop of 8A~8D figures, gas can constantly flow into the chamber that confluxes via the opening portion 2263 of cover plate 226 227a, then first chamber 227b is flowed into, and then flowed into by first chamber 227b in the chamber 227a that confluxes, continuously flow into air-flow In air guide end opening 23, and then transmission gas can be stablized.In other words, when the gas pump 22 of this case is operated, gas is sequentially The opening portion 2263 of the cover plate 226 flowed through, the chamber 227a that confluxes, first chamber 227b, conflux chamber 227a and air guide end opening 23, therefore the gas pump 22 of this case can pass through single element, i.e. cover plate 226, and set using the structure of the opening portion 2263 of cover plate 226 Meter, can reach the number of elements for reducing gas pump 22, simplify effect of overall process.

9th figure is the configuration diagram of the air cooling heat abstractor of the preferred embodiment of this case the 4th.As shown in Figure 9, this reality The air cooling heat abstractor 2 for applying example is that, with function of temperature control, it further includes control system 21, and the control system 21 includes control unit 211 and temperature sensor 212, wherein control unit 21 is electrically connected with gas pump 22, to control the running of gas pump 22.Temperature Sensor 212 is disposed in the water conservancy diversion chamber 201 of water conservancy diversion carrier 20, and is adjacent to electronic component 3, for sensing electronics member The temperature of part 3.Temperature sensor 212 is electrically connected to the temperature near control unit 21, sensing electronic component 3, or directly The sensing temperature of electronic component 3 on electronic component 3 is attached at, and sensing signal is transmitted to control unit 211.Control unit 211 According to the sensing signal of temperature sensor 212, judge whether the temperature of the electronic component 3 is higher than a temperature threshold value, work as control When unit 211 judges that the temperature of the electronic component 3 is higher than the temperature threshold value, a control signal is sent to gas pump 22, so that Energy gas pump 22 is operated, and gas pump 22 is driven air current flow to carry out cooling to electronic component 3 whereby, so that electronics is first The cooling of part 3 simultaneously reduces temperature.When control unit 211 judges that the temperature of the electronic component 3 is less than the temperature threshold value, hair Go out a control signal to gas pump 22, operated with stopping gas pump 22, the continued operation of gas pump 22 can be avoided whereby and is caused the longevity Life is shortened, and reduces the consume of extra energy.Therefore through the setting of control system 21, making the gas pump of air cooling heat abstractor 2 22 can carry out cooling when 3 temperature overheating of electronic component, and be decommissioned in after the reduction of the temperature of electronic component 3, whereby may be used Avoid the continued operation of gas pump 22 and cause reduced lifetime, reduce the consume of extra energy, can also make electronic component 3 in one compared with Operated under good temperature environment, improve the stability of electronic component 3.

In summary, this case provides a kind of air cooling heat abstractor, and it can be applied to various electronic equipments with to its inside Electronic element radiating, in order to heat radiation efficiency, reduces noise, and the performance of electronic equipment internal electronic component is stablized and is extended Service life.In addition, the air cooling heat abstractor of this case, it has function of temperature control, can be according to electronic equipment internal electronic component Temperature change, controls the running of gas pump, in order to the service life of heat radiation efficiency, and extension heat abstractor.

This case appointed as those skilled in the art apply craftsman think and be it is all as modify, so neither take off such as attached claim Be intended to Protector.

【Symbol description】

11：Electronic component

12：Thermal transfer plate

13：Heat-conducting glue

2、2a、2b：Air cooling heat abstractor

20：Water conservancy diversion carrier

20a：First surface

20b：Second surface

201：Water conservancy diversion chamber

202：Air guide end opening

203：Stream guidance groove

204：Side frame

205：It is vented end opening

207：Corner

21：Control system

211：Control unit

212：Temperature sensor

218：Colloid

22：Gas pump

221：Resonance plate

221a：Hollow bore

222：Piezo-activator

2221：Suspension board

2221a：The first surface of suspension board

2221b：The second surface of suspension board

2221c：Central part

2221d：Peripheral part

2221e：Convex portion

2222：Housing

2222a、224a：Conductive connecting pin

2222b：The first surface of housing

2222c：The second surface of housing

2223：Piezoelectric element

2224：Support

2224a：The first surface of support

2224b：The second surface of support

2225：Space

223、225：Insulating trip

224：Conducting strip

226：Cover plate

226a：Accommodation space

2261：Side wall

2262：Bottom plate

2263：Opening portion

227a：Conflux chamber

227b：First chamber

25：Radiator

251：Base

252：Fin

26：Heat conduction tubing string

3：Electronic component

3a：The first surface of electronic component

3b：The second surface of electronic component

4：Bearing substrate

5：Heat-conducting glue

A-A’：Tangential direction

g0：Gap

Claims (11)

1. a kind of air cooling heat abstractor, for an electronic element radiating, it is characterised in that the air cooling heat abstractor is included：

One water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, an air guide end opening and multiple water conservancy diversion Air discharge duct, wherein the water conservancy diversion chamber run through the first surface and the second surface, and the air guide end opening is arranged at the first surface And be connected with the water conservancy diversion chamber, the plurality of stream guidance groove is arranged at the second surface and is connected with the water conservancy diversion chamber, its In the electronic component be placed in the water conservancy diversion chamber；And

One gas pump, comprising：

One resonance plate, with a hollow bore；

One piezo-activator, it is corresponding with the resonance plate to set；And

One cover plate, with side wall, a bottom plate and an opening portion, the side wall ring is convexly equipped on the bottom plate simultaneously around the base portion peripheral An accommodation space is formed with the bottom plate, and the resonance plate and the piezo-activator are arranged in the accommodation space, the opening portion is set It is placed on the side wall, wherein forms a first chamber between the bottom plate and the resonance plate of the cover plate, the resonance plate and the cover plate The side wall common definition go out one and conflux chamber；

Wherein, the cover plate of the gas pump, the piezo-activator and the resonance plate sequentially from top to bottom stack and are fixedly arranged on the water conservancy diversion On carrier, and close the air guide end opening, when the piezo-activator it is driven to carry out gas collection operation when, gas is by the cover plate The opening portion imports and is collected to the chamber that confluxes, and flows through the hollow bore of the resonance plate and enter in the first chamber and keep in, When the piezo-activator it is driven so that operation is exhausted when, gas is flowed through the hollow bore of the resonance plate by the first chamber And this confluxes chamber and is expelled to the air guide end opening, and air-flow is imported to the water conservancy diversion of the water conservancy diversion carrier via air guide end opening Heat exchange is carried out in chamber and to the electronic component, and is led the air-flow after heat exchange is carried out with the electronic component via the plurality of Flow air discharge duct discharge.

2. air cooling heat abstractor as claimed in claim 1, it is characterised in that the air cooling heat abstractor further includes a carrying base Plate, is connected, wherein the electronic component is arranged at the bearing substrate with the second surface of the water conservancy diversion carrier.

3. air cooling heat abstractor as claimed in claim 2, it is characterised in that the air cooling heat abstractor water conservancy diversion carrier is further One holding part is set, the groove caved inward for the first surface, in air guide end opening periphery, the gas pump direct-assembling is in this On holding part, and close the air guide end opening.

4. air cooling heat abstractor as claimed in claim 1, it is characterised in that the water conservancy diversion carrier is a framework.

5. air cooling heat abstractor as claimed in claim 1, it is characterised in that the piezo-activator is included：

One suspension board, with a first surface and a second surface, and flexible vibration；

One housing, around the outside for being arranged at the suspension board；

An at least support, is connected between the suspension board and the housing, to provide resilient support；And

One piezoelectric patches, with a length of side, the length of side is less than or equal to a length of side of the suspension board, and the piezoelectric patches is attached at this and hanged On one second surface of kickboard, to apply voltage to drive the suspension board flexural vibrations.

6. air cooling heat abstractor as claimed in claim 5, it is characterised in that the suspension board is a square suspension board, and is had There is a convex portion.

7. air cooling heat abstractor as claimed in claim 6, it is characterised in that the gas pump also includes a conducting strip, one first Insulating trip and one second insulating trip, the wherein cover plate, the resonance plate, the piezo-activator, first insulating trip, the conducting strip And second insulating trip sequentially stacks setting.

8. the air cooling heat abstractor as described in claim 5 or 7, it is characterised in that the housing of the piezo-activator has one Conductive connecting pin, the conducting strip has a conductive connecting pin, and the opening portion of the cover plate of the gas pump is arranged on the side wall, uses For the conductive connecting pin of the housing and the conductive connecting pin of the conducting strip pass outwards through the opening portion and protrude from the cover plate it Outside, in order to being connected with external power source.

9. air cooling heat abstractor as claimed in claim 1, it is characterised in that the air cooling heat abstractor further includes a control system System, the control system includes：

One control unit, is electrically connected to the gas pump, to control the gas pump to operate；And

One temperature sensor, is electrically connected to the control unit and is adjacent to the electronic component, to sense a temperature of the electronic component Spend to export a sensing signal to the control unit；

Wherein, when the control unit is in receiving the sensing signal, and judge that the temperature of the electronic component is more than a temperature door During threshold value, the control unit makes the gas pump enable, to drive air current flow, and when the control unit is in receiving the sensing Signal, and when judging the temperature of the electronic component less than the temperature threshold value, the control unit makes the gas pump decommission.

10. a kind of air cooling heat abstractor, for an electronic element radiating, it is characterised in that the air cooling heat abstractor is included：

One water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, an air guide end opening and multiple water conservancy diversion Air discharge duct, wherein the water conservancy diversion chamber run through the first surface and the second surface, and the air guide end opening is arranged at the first surface And be connected with the water conservancy diversion chamber, the plurality of stream guidance groove is arranged at the second surface and is connected with the water conservancy diversion chamber, its In the electronic component be placed in the water conservancy diversion chamber；

One radiator, is attached at the electronic component, and positioned at the water conservancy diversion chamber；And

One gas pump, comprising：

One resonance plate, with a hollow bore；

One piezo-activator, it is corresponding with the resonance plate to set；And

One cover plate, with side wall, a bottom plate and an opening portion, the side wall ring is convexly equipped on the bottom plate simultaneously around the base portion peripheral An accommodation space is formed with the bottom plate, and the resonance plate and the piezo-activator are arranged in the accommodation space, the opening portion is set It is placed on the side wall, wherein forms a first chamber between the bottom plate and the resonance plate of the cover plate, the resonance plate and the cover plate The side wall common definition go out one and conflux chamber；

Wherein, the cover plate of the gas pump, the piezo-activator and the resonance plate sequentially from top to bottom stack and are fixedly arranged on the water conservancy diversion On carrier, and close the air guide end opening, when the piezo-activator it is driven to carry out gas collection operation when, gas is by the cover plate The opening portion imports and is collected to the chamber that confluxes, and flows through the hollow bore of the resonance plate and enter in the first chamber and keep in, When the piezo-activator it is driven so that operation is exhausted when, gas is flowed through the hollow bore of the resonance plate by the first chamber And this confluxes chamber and is expelled to the air guide end opening, and air-flow is imported to the water conservancy diversion of the water conservancy diversion carrier via air guide end opening Heat exchange is carried out in chamber and to the electronic component, and is led the air-flow after heat exchange is carried out with the electronic component via the plurality of Flow air discharge duct discharge.

11. a kind of air cooling heat abstractor, for an electronic element radiating, it is characterised in that the air cooling heat abstractor is included：

One water conservancy diversion carrier, including a first surface, a second surface, a water conservancy diversion chamber, an air guide end opening and multiple water conservancy diversion Air discharge duct, wherein the water conservancy diversion chamber run through the first surface and the second surface, and the air guide end opening is arranged at the first surface And be connected with the water conservancy diversion chamber, the plurality of stream guidance groove is arranged at the second surface and is connected with the water conservancy diversion chamber, its In the electronic component be placed in the water conservancy diversion chamber；

One heat conduction tubing string, is attached at the surface of the electronic component, and positioned at the water conservancy diversion chamber；And

One gas pump, comprising：

One resonance plate, with a hollow bore；

One piezo-activator, it is corresponding with the resonance plate to set；And

One cover plate, with side wall, a bottom plate and an opening portion, the side wall ring is convexly equipped on the bottom plate simultaneously around the base portion peripheral An accommodation space is formed with the bottom plate, and the resonance plate and the piezo-activator are arranged in the accommodation space, the opening portion is set It is placed on the side wall, wherein forms a first chamber between the bottom plate and the resonance plate of the cover plate, the resonance plate and the cover plate The side wall common definition go out one and conflux chamber；

Wherein, the cover plate of the gas pump, the piezo-activator and the resonance plate sequentially from top to bottom stack and are fixedly arranged on the water conservancy diversion On carrier, and close the air guide end opening, when the piezo-activator it is driven to carry out gas collection operation when, gas is by the cover plate The opening portion imports and is collected to the chamber that confluxes, and flows through the hollow bore of the resonance plate and enter in the first chamber and keep in, When the piezo-activator it is driven so that operation is exhausted when, gas is flowed through the hollow bore of the resonance plate by the first chamber And this confluxes chamber and is expelled to the air guide end opening, and air-flow is imported to the water conservancy diversion of the water conservancy diversion carrier via air guide end opening Heat exchange is carried out in chamber and to the electronic component, and is led the air-flow after heat exchange is carried out with the electronic component via the plurality of Flow air discharge duct discharge.