CN2233069Y - Blowing-sucking built-in heat radiating device - Google Patents
Blowing-sucking built-in heat radiating device Download PDFInfo
- Publication number
- CN2233069Y CN2233069Y CN 95208132 CN95208132U CN2233069Y CN 2233069 Y CN2233069 Y CN 2233069Y CN 95208132 CN95208132 CN 95208132 CN 95208132 U CN95208132 U CN 95208132U CN 2233069 Y CN2233069 Y CN 2233069Y
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- pipe
- air
- chassis
- heat radiating
- radiating device
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Abstract
The utility model relates to a blowing-sucking built-in heat radiating device used in instruments. The wind flow of the device with turnable direction and large wind pressure can radiate heat for parts on any part in the instruments. The utility model is composed of a centrifugal fan and a blast pipe connected with the centrifugal fan, wherein, the fan mainly comprises a base, a circuit board with a coil axle, an axle tube, a bearing, a turbine-shaped blade body with a central axle, an adapter and an upper cover; the blast pipe comprises a flexible pipe, a main blast pipe, a branched blast pipe, and a discharge pipe sheathed and connected mutually. The inner pipe of the main and the branched blast pipes is arranged in a projecting way with an arc-shaped wind guiding rib whose both ends are a wind inlet and a wind outlet in horn shape. The discharge pipe is provided with holes in pattern, and the air stream sent into the main and the branched blast pipes by the fan radiates heat via effusing from the holes in pattern of the discharge pipe.
Description
The utility model relates to a kind of heat radiating device, relates to a kind of heat radiating device that is used for instrument or computer-internal heat radiation or rather.
Bellows shown in Figure 1 have been widely used in various instruments, the computer, are used for heat radiation in the machine.Fan adopts the axial-flow type design among Fig. 1, mainly is made of flabellum body and fan base.This structure after tested, air quantity is 0.109Q (CMM) to the maximum, blast is 1.9PS (mmAq) to the maximum, as shown in Figure 2.Because the big blast of air quantity is little, so wind scattered once just sending, and causes air quantity not dispel the heat effectively.Tube-axial fan more can not be delivered to air quantity the parts place that needs heat radiation effectively because of being subjected to installation position restriction and the distinguished and admirable restriction that can not turn in addition.In addition, because tube-axial fan can not reduce its axial length, also limited the application of this fan in mini-plant.
At present, in the instrument and equipment-as use two kinds of radiating modes, the first adopts the aluminium fin to add the radiating mode of small-sized fans, also can increase temperature-adjusting circuit, warning circuit and be located at the cooling idol of fin below, to reduce also temperature of part in addition of semiconductor chip or its; It two is to add bellows on instrument or counter body, with the hot gas sucking-off in instrument or the computer or dispel.First kind of heat dissipating method can only be to single chip or part heat radiation in addition, and hot gas also can residue in instrument or computer-internal, and second kind of heat dissipating method can make some other part be dispelled the heat effectively, but other parts in addition that are capped then do not reach the effect of heat radiation.
If in same instrument and equipment, adopt the heat abstractor of above-mentioned dual mode and structure simultaneously, then can cause increasing of instrument and equipment cost.
The purpose of this utility model is at tube-axial fan efficient (though shortcoming such as PS * Q) is less, the big blast of air quantity is very little, be subjected to the installation position restriction, distinguished and admirablely can not turn to, dispel the heat not exclusively, cost height and design and a kind ofly blow formula or inhale heat radiating device in the machine of formula, utilize centrifugal fan and airduct mode of movement, realize high efficiency heat radiation, and have advantages such as the thin light weight of body, noise turn to for a short time, distinguished and admirable, blast is big.
The utility model blows/inhales heat radiating device in the formula machine, and the airduct that links by fan, with fan outlet and the fixed mount of airduct constitute, and it is characterized in that:
Described airduct comprises flexible pipe, air main, branch wind pipe and the discharge pipe of mutual socket;
Described fan is a centrifugal fan, is made of turbine-like flabellum body, C shape clasp, adapter and the loam cake assembling of the circuit board of pedestal, belt coil axle, central siphon, oiliness bearing, band central shaft;
Described pedestal is provided with a chassis, be provided with circular groove in the chassis for location turbine-like flabellum body, be provided with locating slot in the circular groove for locating circuit board, be provided with manhole that passes for turbine-like flabellum body central shaft and the rectangular through-hole of passing in the locating slot for lead, circular groove one side is provided with outlet, the outlet sidewall is provided with for the prominent rib button hook of two symmetries that fastens loam cake, and the chassis of circular groove outer rim is provided with the double-screw bolt for the interlocking loam cake;
Described circuit board coil axes center is provided with the through hole that runs through circuit board, described oiliness bearing places central siphon, the central shaft of described turbine-like flabellum body is passed the oiliness bearing in the central siphon and is positioned in the manhole of chassis locating slot, the described C type of bottom snapping clasp;
Described loam cake center position is established air inlet, the other outlet cover plate that is extended with of loam cake side, there are the two corresponding symmetrical button hooks of the prominent rib button hook position of symmetry with chassis circular groove outlet sidewall outlet cover plate below, and the loam cake periphery is provided with screw, has screw to pass loam cake screw and chassis double-screw bolt interlocking;
There is support arm described adapter both sides, and support arm is provided with for the button hook that buckles in the circular groove outlet of chassis, and the cambered surface of adapter is provided with the joint mouth for the socket flexible pipe;
Described flexible pipe is provided with the air port, and the flexible pipe outer surface is provided with prominent ring;
Described air main front end is provided with the junction surface with tube socket, the rear end is provided with for the fit portion that links discharge pipe, the prominent up and down arc wind guide rib of establishing in the pipe in the air main, the air inlet and the flaring air outlet of the air main flue before and after the wind guide rib, the air outlet madial wall is provided with the capping of an end and the binding of air outlet sidewall, and capping has for the exhaust vent that links branch wind pipe;
Described branch wind pipe front end is provided with for jammed in the air main exhaust vent and back down the interface groove of capping, the branch wind pipe rear end is provided with for the fit portion that links discharge pipe, prominent up and down arc wind guide rib, the air inlet and the flaring air outlet of the branch wind pipe flue before and after the wind guide rib established in the pipe in the branch wind pipe;
Described discharge pipe front end is provided with for filling in the junction surface that links in air main or the branch wind pipe rear end fit portion, and the discharge pipe outer surface is provided with round.
Described airduct also comprises a piezoelectric membrane that is connected with impulse generator output, is arranged on the described air main tube wall.
Described discharge pipe front end and air main air outlet fit portion are socketed in and also are arranged with an O-ring gasket on the junction surface.
The top of described airduct fixed mount is provided with the shape of falling a C clasp, and the clasp below is provided with a chassis, and the below, chassis is pasted with fixedly uses double faced adhesive tape.
The top of described airduct fixed mount is provided with the shape of falling a C clasp, and the clasp below is provided with one for the latch in the preformed hole in the insertion machine.
Be socketed with flexible pipe between described air main and discharge pipe.
Circular groove on the described centrifugal fan pedestal is shape in the shape of a spiral.
The chassis of described centrifugal fan pedestal is provided with positioning through hole, and tray bottom is provided with the groove for fixing cord.
When fan is sent the air-flow body into the air inlet of air main, produce when dashing forward the arc wind guide rib of establishing in the air-flow body process air main up and down and shrink also and then the generation propulsive force, can effectively the air-flow body be delivered in each branch wind pipe and the discharge pipe by the air outlet of air main, and by flowing out (or suction) in the round of discharge pipe, spiral helicine pedestal circular groove can make intake change from small to big, produce strong air quantity, the flexible pipe made from flexible plastic can make heat radiating device bend towards any direction, any part in the arrival machine.
Further specify technology of the present utility model below in conjunction with the embodiment accompanying drawing
Fig. 1, traditional tube-axial fan perspective view
The air pressure air flow test curve figure of Fig. 2, tube-axial fan
The centrifugal fan decomposition texture schematic diagram of Fig. 3, the utility model heat radiating device
The decomposition texture schematic diagram of Fig. 4, the utility model heat radiating device
Fig. 5, the utility model heat radiating device gas flow schematic diagram
The air pressure air flow test curve figure of Fig. 6, the utility model heat radiating device
Fig. 7, first kind of fixed structure schematic diagram of the utility model heat radiating device airduct fixed mount
Fig. 8, second kind of fixed structure schematic diagram of the utility model heat radiating device airduct fixed mount
Thermal boundary layer and piezoelectric membrane effect schematic diagram in Fig. 9, the utility model heat radiating device airduct
Figure 10, the utility model heat radiating device piezoelectric membrane circuit block diagram
Figure 11, the utility model are inhaled the application state schematic diagram of formula heat radiating device in machine
Figure 12, the utility model blow the application state schematic diagram of formula heat radiating device in machine
Figure 13, the utility model heat radiating device another application state schematic diagram in machine
Another kind of fan structure schematic diagram in Figure 14, the utility model heat radiating device
Addressed before Fig. 1, Fig. 2 and repeated no more.
Referring to Fig. 3 to 5, heat radiating device mainly comprises centrifugal fan, flexible pipe, air main, branch wind pipe, discharge pipe and piezoelectric membrane.
Referring to Fig. 3, the pedestal 10 of centrifugal fan is provided with a chassis 11, chassis 11 is provided with several positioning through hole 111, be provided with a helical form circular groove 112 in the chassis 11, flabellum body 17 is positioned in this circular groove 112, be provided with locating slot 113 in the circular groove 112, for locating circuit board 13, also be provided with several rectangular through-hole 1131 and a manhole 1132 in this locating slot 113, manhole 1132 penetrates for the central shaft 171 of segment 17,1131 of rectangular through-hole supply lead to pass, and pass the lead fixed (invisible among the figure) in the groove of 11 bottoms, chassis of rectangular through-hole 1131.Circular groove 112 sides are other to be provided with an outlet 1121, establishes the prominent rib button hook 1122 of symmetry on the two side of outlet 1121, is used to fasten the button hook 122 that accept outlet cover plate 121 belows that loam cake 12 1 sides extend.Circular groove 112 outer rims are connected with several double-screw bolts 1123, are used for and loam cake 11 interlockings.Fan circuit plate 13 is provided with coil axes 14, and the central authorities of coil axes 14 are provided with through hole 141, has central siphon 15 to place this through hole 141 and is through on the circuit board 13.In central siphon 15, put an oiliness bearing 16 again, turbine-like flabellum body 17 central shaft 171 are passed the bearing 16 in the central siphon 15 and are placed the manhole 1132 of locating slot 113, be buckled on the axostylus axostyle 171 with a C shape clasp 172, flabellum body 17 is positioned in the circular groove 112 of pedestal 10.Affixed symmetrical button hook 122 below the other outlet cover plate 121 that extends of loam cake 12 sides is buckled in the prominent rib button hook 1122 of circular groove 112 side branch mouths 1121 sidewalls.Be provided with air inlet 123 in the loam cake 12, loam cake 12 edges are provided with several screws 124, pass on the double-screw bolt 1123 that screw 124 is locked on circular groove 112 outer rims with screw 125.There is support arm 181 adapter 18 both sides, and button hook 182 is arranged on the support arm 181, are fastened in the internal diameter of circular groove outlet 112, and the cambered surface of adapter 18 is provided with and engages mouth 183, but engages socket flexible pipe 20 on the mouth 185, as shown in Figure 4.
Referring to Fig. 4, flexible pipe 20 usefulness soft plastics are made, and flexible pipe 20 is provided with air port 21, and the flexible pipe outer surface has a plurality of prominent rings 22, and prominent ring 22 can be done the directionality bending for flexible pipe 20, and flexible pipe 20 air ports 21 rear side internal diameters tightly are placed on the junction surface 31 of air main 30 front ends.
The prominent up and down arc wind guide rib 32 of establishing in the air main 30, form trumpet type air inlet 33 and air outlet 34 in wind guide rib 32 front and back, fruit is put in the compression that can make air-flow produce " contracting ", " putting ", and air outlet 34 madial walls are provided with capping 341, and capping 341 has exhaust vent 342.Other has a branch wind pipe 30a, its front end is provided with S type engaged groove 31a, with tightly jammed in air main exhaust vent 342 and back down capping 341, the madial wall of air outlet 34 is just left at the other end abutment 3411 of capping 341 this moment, as shown in Figure 5, the gas in the air main 30 can be flowed among the branch wind pipe 30a.Branch wind pipe 30a has the structure identical with air main 30.
Discharge pipe 40 front ends are provided with interface portion 41, and a sheathed O-ring gasket 50 on the junction surface 41 is tightly filled in the fit portion 35 of air main 30 air outlet rear sides with junction surface 41 again, and this O type packing ring 50 has the gas leakage that prevents 40 of air main 30 and discharge pipes.The precious face of discharge pipe 40 cylindricals is provided with round 42, and each that can make that the air-flow body sends to the instrument and equipment circuit board be the part place in addition, reaches and reduces built-in temperature and make the parts cooling purpose.
When fan 10 is sent air-flow body 60 into the air inlet 33 of air main 30, as shown in Figure 5, when air-flow body 60 is dashed forward the arc wind guide rib of establishing 32 up and down through air main 30 airducts, produce and shrink, and, can effectively air-flow body 60 be delivered to branch wind pipe 30a and discharge pipe 40 by the air outlet 34 of air main 30 through producing the strength that advances behind the arc wind guide rib 32.In addition, the circular groove 112 of pedestal 10 is designed to the helical form (see figure 3), and intake is changed from small to big, and produces powerful distinguished and admirable.
Referring to Fig. 6, be air quantity of fan of the present utility model, blast test curve figure, X-axis is an air quantity among the figure, Y-axis is a blast, the air quantity of this microminiature centrifugal fan is 0.05Q (CMM) to the maximum, blast is 9.6PS (MMAq) to the maximum, though air quantity is less, blast increases can deliver to place far away via each airduct with distinguished and admirable.
Referring to Fig. 7, Fig. 8, be the fixedly schematic side view of airduct.Assembling can be buckled in the external diameter cover of airduct 30 on the fixed mount 70 (can referring to Fig. 4) during airduct, fixed mount 70 is provided with the type of falling C clasp 71, establishes chassis 72 below clasp 71, can paste double faced adhesive tape below chassis 72, be affixed on respectively supporting on the tenon on the motherboard or in the casing in the machine again, even on the enclosure wall.Clasp 71 belows of fixed mount 70 also can be designed to a latch 73, as shown in Figure 8, can be inserted in the preformed hole of motherboard and locate.
Referring to Fig. 9, Figure 10, be respectively air-flow direction of flow and circuit block diagram.Airduct is in the moving air, under the different temperature, just has 80 existence of different thermal boundary layers in pipe.This thermal boundary layer 80 can stop up the flow direction of air-flow body 60 in the airduct according to tube wall direction stacked in multi-layers, as shown in Figure 9.
Impulse generator 90 connects piezoelectric membrane 91 among Figure 10, piezoelectric membrane 91 is arranged on airduct 30 walls, as shown in Figure 9, make piezoelectric membrane 91 produce mechanical oscillation (also can utilize high-tension coil to produce vibration in the enforcement), pat tube wall, pat frequency in the scope of 30-300HZ, can select according to the size and the airduct length of airduct caliber.This flap can make air molecule increase energy, and destroy thermal boundary layer 80, not only solved the airduct blockage problem that causes by thermal boundary layer 80, also increased the energy of flow of air.
Referring to Figure 11 to Figure 13, for the utility model heat abstractor is provided with structural representation in instrument and equipment.The distinguished and admirable of fan can turn to, and not limited by the position.This device also can be used for hot gas in the aspiration machine, as shown in figure 11, dispels the heat effectively, also can link with air main 30 by flexible pipe 20a in addition, flexible pipe 20a and branch wind pipe 30a binding, blows to parts on any orientation and the angle with bending.The a plurality of air mains of heat abstractor among Figure 11, Figure 12 socket on demand, branch wind pipe and discharge pipe are delivered to the parts place that each need dispel the heat with air quantity.When centrifugal fan not during air duct, turning to that fan is distinguished and admirable also can make heat radiation in the machine, as shown in Figure 3.
Referring to Figure 14, be the enforcement structure of another kind of fan, pedestal 10 can change with the position of the outlet 1121 of loam cake 12, satisfying the needs of heat radiation position, and is convenient to connect adapter 18.
The utility model is rational in infrastructure, spirit is set draws together, the task of each parts in interior heat radiation of the machine of can finishing effectively and the cooler.
Claims (8)
1, heat radiating device in a kind of blowing/the inhale formula machine, the airduct that links by fan, with fan outlet and the fixed mount of airduct constitute, and it is characterized in that:
Described airduct comprises flexible pipe, air main, branch wind pipe and the discharge pipe of mutual socket; Described fan is a centrifugal fan, is made of turbine-like flabellum body, C shape clasp, adapter and the loam cake assembling of the circuit board of pedestal, belt coil axle, central siphon, oiliness bearing, band central shaft;
Described pedestal is provided with a chassis, be provided with circular groove in the chassis for location turbine-like flabellum body, be provided with locating slot in the circular groove for locating circuit board, be provided with manhole that passes for turbine-like flabellum body central shaft and the rectangular through-hole of passing in the locating slot for lead, circular groove one side is provided with outlet, the outlet sidewall is provided with for the prominent rib button hook of two symmetries that fastens loam cake, and the chassis of circular groove outer rim is provided with the double-screw bolt for the interlocking loam cake;
Described circuit board coil axes center is provided with the through hole that runs through circuit board, described oiliness bearing places central siphon, the central shaft of described turbine-like flabellum body is passed the oiliness bearing in the central siphon and is positioned in the manhole of chassis locating slot, the described C type of bottom snapping clasp;
Described loam cake center position is established air inlet, the other outlet cover plate that is extended with of loam cake side, there are the two corresponding symmetrical button hooks of the prominent rib button hook position of symmetry with chassis circular groove outlet sidewall outlet cover plate below, and the loam cake periphery is provided with screw, has screw to pass loam cake screw and chassis double-screw bolt interlocking;
Described adapter is convenient to both to have support arm, support arm to be provided with for the button hook that buckles in the circular groove outlet of chassis, and the cambered surface of adapter is provided with the joint mouth for the socket flexible pipe;
Described flexible pipe is provided with the air port, and the flexible pipe outer surface is provided with prominent ring;
Described air main front end is provided with the junction surface with tube socket, the rear end is provided with for the fit portion that links discharge pipe, the prominent up and down arc wind guide rib of establishing in the pipe in the air main, the air inlet and the flaring air outlet of the air main flue before and after the wind guide rib, the air outlet madial wall is provided with the capping of an end and the binding of air outlet sidewall, and capping has for the exhaust vent that links branch wind pipe;
Described branch wind pipe front end is provided with for jammed in the air main exhaust vent and back down the interface groove of capping, the branch wind pipe rear end is provided with for the fit portion that links discharge pipe, prominent up and down arc wind guide rib, the air inlet and the flaring air outlet of the branch wind pipe flue before and after the wind guide rib established in the pipe in the branch wind pipe;
Described discharge pipe front end is provided with for filling in the junction surface that links in air main or the branch wind pipe rear end fit portion, and the discharge pipe outer surface is provided with round.
2, heat radiating device in according to claim 1 blowing/the inhale formula machine is characterized in that: described airduct comprises that also one exports the piezoelectric membrane that is connected with impulse generator, is arranged on the described air main tube wall.
3, heat radiating device in according to claim 1 blowing/the inhale formula machine is characterized in that: also be arranged with an O-ring gasket on described discharge pipe front end and the air main air outlet fit portion socket junction surface.
4, heat radiating device in according to claim 1 blowing/the inhale formula machine is characterized in that: all be provided with the shape of falling a C clasp on the described airduct fixed mount, the clasp below is provided with a chassis, is pasted with below the chassis and fixedly uses double faced adhesive tape.
5, heat radiating device in according to claim 1 blowing/the inhale formula machine, it is characterized in that: the top of described airduct fixed mount is provided with the shape of falling a C clasp, and the clasp below is provided with one for the latch in the interior preformed hole of insertion machine.
6, heat radiating device in according to claim 1 blowing/the inhale formula machine is characterized in that: be socketed with flexible pipe between described air main and discharge pipe.
7, heat radiating device in according to claim 1 blowing/the inhale formula machine, it is characterized in that: the circular groove on the described centrifugal fan pedestal is shape in the shape of a spiral.
8, heat radiating device in according to claim 1 blowing/the inhale formula machine, it is characterized in that: the chassis of described centrifugal fan pedestal is provided with positioning through hole, and tray bottom is provided with the groove for fixing cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95208132 CN2233069Y (en) | 1995-04-14 | 1995-04-14 | Blowing-sucking built-in heat radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95208132 CN2233069Y (en) | 1995-04-14 | 1995-04-14 | Blowing-sucking built-in heat radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2233069Y true CN2233069Y (en) | 1996-08-14 |
Family
ID=33859541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95208132 Expired - Fee Related CN2233069Y (en) | 1995-04-14 | 1995-04-14 | Blowing-sucking built-in heat radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2233069Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7568517B2 (en) | 2005-08-05 | 2009-08-04 | Foxconn Technology Co., Ltd. | Thermal module |
| CN109163307A (en) * | 2018-08-02 | 2019-01-08 | 苏州培星智能装备科技有限公司 | Adjustable automobile car light cooling device |
| US20200408202A1 (en) * | 2019-06-26 | 2020-12-31 | Dragerwerk AG & Co. KGaA | Compressible fluid micropump system and process |
-
1995
- 1995-04-14 CN CN 95208132 patent/CN2233069Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7568517B2 (en) | 2005-08-05 | 2009-08-04 | Foxconn Technology Co., Ltd. | Thermal module |
| CN109163307A (en) * | 2018-08-02 | 2019-01-08 | 苏州培星智能装备科技有限公司 | Adjustable automobile car light cooling device |
| CN109163307B (en) * | 2018-08-02 | 2021-08-13 | 苏州培星智能装备科技有限公司 | Adjustable automobile lamp heat dissipation device |
| US20200408202A1 (en) * | 2019-06-26 | 2020-12-31 | Dragerwerk AG & Co. KGaA | Compressible fluid micropump system and process |
| US11739745B2 (en) * | 2019-06-26 | 2023-08-29 | Drägerwerk Ag & Co Kgaa | Compressible fluid micropump system and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |