CN1426757A - Vacuum cleaner having circuit board heat release structure - Google Patents
Vacuum cleaner having circuit board heat release structure Download PDFInfo
- Publication number
- CN1426757A CN1426757A CN 01144388 CN01144388A CN1426757A CN 1426757 A CN1426757 A CN 1426757A CN 01144388 CN01144388 CN 01144388 CN 01144388 A CN01144388 A CN 01144388A CN 1426757 A CN1426757 A CN 1426757A
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- Prior art keywords
- circuit board
- vacuum cleaner
- air
- air conduit
- heat release
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- Electric Suction Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
A vacuum cleaner with heat dissipating structure for circuit board is composed of an upper and a lower casings, an intermediate unit with circuit board for generating control signals, a motor and its shell, a fan, a dust-collecting box, a drive wheel, a power cord reel and a cover of power cord reel. Several exhaust holes connected with exhaust tubes are made on the side of motor shell. An air guide tube is connected to all the exhaust tubes for using part of air exhausted from the motor shell to cool the circuit board.
Description
One, technical field
The present invention relates to a kind of dust catcher, relating in particular to a kind of air, improve mainly the vacuum cleaner with circuit board heat release structure of the exothermal efficiency of the heat liberation board of forming by aluminium material by utilize discharging.
Two, background technology
After the air that contains foreign matter that general vacuum cleaner will suck is separated into air and foreign matter by the control of dust means, to the machine of indoor discharge cleaned air.
Fig. 1 is the sectional structure chart of existing vacuum cleaner.
As shown in Figure 1, existing vaccum dust catcher has following structure: starter motor M makes its rotation, drives fan f and motor M and rotates generation suction together; Under the suction that drives fan f, the air that contains foreign matter is inhaled into inside by the suction mouth of pipe (NOZZLE) (omitting among the figure) of vacuum cleaner end, the air that contains foreign matter flow in the dust storage chamber 3 by crossing the suction hose 6 that is connected with suction inlet 8; Air in the dust storage chamber 3 separates with foreign matter by dust filter 4, and the air after the separation flows in being provided with the motor case 1 that drives fan f; The air that flow in the motor case 1 cools off motor M, flows along stream 5 then, is discharged to the body exterior of vacuum cleaner 10 by exhaust portion 9.
Through said process, vacuum cleaner 10 is to turn round by the control of the circuit board of being made up of various elements 7.General circuit plate 7 is provided with the power component 7a of tool loop construction, and the heat that this power component 7a produces is carried out heat release by the heat liberation board 7b of aluminium material.
Because above-mentioned heat liberation board 7b is formed by the high aluminium material of heat conduction efficiency, the heat back discharging that heat liberation board 7b absorbed power element 7a is produced is so this heat liberation board 7b can cooling power element 7a.
But there is following shortcoming in the structure of above-mentioned vacuum cleaner 10: because circuit board 7 is positioned at the body upside that does not almost have the vacuum cleaner 10 that air flows, so that the exothermicity of circuit board 7 do not give full play of.
Three, summary of the invention
In order to solve the problem that above-mentioned prior art exists, the objective of the invention is to, the heat radiation structure of a kind of vacuum cleaner with circuit board is provided, it is the heat of cooling circuit board generation effectively.
The objective of the invention is to realize by following technical scheme.
A kind of vacuum cleaner with circuit board heat release structure comprises upper body, lower case, middle part, circuit board, electric machine casing, is fixed with motor in it, drives fan, dust box, driving wheel, power line spool and power line spool cover; It is characterized in that described intermediate member is provided with the circuit board to the body of dust collector input control signal; The part of electric machine casing sidewall is provided with the steam vent of a plurality of moulding; Described steam vent is equipped with blast pipe; Air conduit is fixed on the side of described steam vent to described circuit board.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid vacuum cleaner with circuit board heat release structure, intermediate portion part are provided with the through hole of fixing described air conduit end.
Aforesaid vacuum cleaner with circuit board heat release structure, wherein the part of motor case sidewall is provided with the hole of inserting for described air conduit.
Aforesaid vacuum cleaner with circuit board heat release structure, wherein blast pipe is provided with the hole of inserting for air conduit.
Aforesaid vacuum cleaner with circuit board heat release structure is characterized in that described air conduit made by pliable and tough material, is provided with iron wire in the air conduit.
Through evidence, the present invention utilizes the effect of circuit board being cooled off through the portion of air of blast pipe discharge, than much better to the effect that circuit board cools off by heat liberation board in the prior art.
Four, description of drawings
Fig. 1 is the profile of existing vacuum cleaner.
Fig. 2 is the decomposition texture schematic diagram of the vacuum cleaner of the present invention with circuit board heat release structure.
Fig. 3 is the part side view of circuit board heat release structure of the present invention.
Five, the specific embodiment
Consult shown in Figure 2ly, vaccum dust catcher of the present invention has following structure: the place ahead of one side is provided with the suction inlet 23 of moulding; The body that upper box body 20 is provided with dust catcher moves with handle 21, and this handle 21 is that the center can be swung with rotating shaft 22; Be fixed with the motor (omitting among the figure) that produces suction in the motor case 42 and drive fan (omitting among the figure), the part of motor case 42 sidewalls is provided with a plurality of steam vent 42a; The upside of power line spool cover 41 is provided with dust box 50, and the downside of power line spool cover 41 is provided with the power line spool (omitting among the figure) of placing electric wire 45; Lower part box 40 is provided with driving wheel 44, and the body of vacuum cleaner moves along ground by driving wheel 44, and this driving wheel 44 is fixed on the both sides of power line spool cover 41; Fixing fixing circuit board 33 and 34 on the timber 35 and 36, the running of this circuit board 33 and 34 control vacuum cleaners; Inflow catheter 31 closely is incorporated into the back of suction inlet 23, and the air that these inflow catheter 31 guiding contain foreign matter flows in dust box 50; Intermediate member 30 is provided with discharges conduit 32, and the air that separates with foreign matter in the dust box 50 is guided in the motor case 42 mobile by above-mentioned discharge conduit 32.
Foregoing circuit plate 33,34 comprises element 38 and heat liberation board 37.Element 38 is to be made of each element, produces heat in the process of the said elements 38 generation signals of telecommunication; Heat liberation board 37 is to be made of the high aluminium material of heat conduction efficiency, thus heat liberation board 37 can cooling circuit board 33,34 heat that produce.Because the part of air that above-mentioned steam vent 42a discharges is supplied to circuit board 33,34 by the guiding of air conduit T, so improved the cooling effectiveness of heat liberation board 37.
In addition, above-mentioned intermediate member 30 is provided with the fixedly timber 35 of moulding and fixing timber 36; Fixing timber 35 and fixedly be provided with the through hole 39 of moulding between the timber 36, this through hole 39 is for fixed air conduit T; One side of motor case 42 is provided with the hole 42b of moulding, and through hole 39 is connected with hole 42b.That is, the side of this air conduit T is fixed in the through hole 39 and hole 42b that is interconnected; The opposite side of air conduit T is fixed in the steam vent 42a.
Operation process to vacuum cleaner with said structure describes below: the air that contains foreign matter flow in the body of dust catcher by suction inlet 23; The above-mentioned air that contains foreign matter flows along inflow catheter 31, flows in dust box 50 after flowing into rail portion 51a; Lid 52 bottom surfaces of above-mentioned dust box 50 are provided with casing 51, are provided with filter (omitting among the figure) in the casing 51, flow into the air that casing 51 contains foreign matter and separate with foreign matter by above-mentioned filter; Casing 51 is collected the foreign matter that is separated with air, and the air of separating out foreign objects is discharged to the outside of dust box 50 by outlet 52a.Discharge conduit 32 and be provided with inlet 32b and outlet 32a, this inlet 32b and outlet 52a are connected, and outlet 32a is located on the motor case 42; That is, the air that is discharged from flows along discharging conduit 32, flows in motor case 42; Flow into the motor of the air cooling generation suction in the motor case 42, flow to exhaust portion 43 by steam vent 42a then, be discharged to the body exterior of dust catcher afterwards.Because the air that motor case 42 is discharged flows to exhaust portion 43 by the guiding of blast pipe 43a, so the air in the motor case 42 can successfully be discharged to exhaust portion 43.Above-mentioned air conduit T is a tubulose.Air conduit T one end is fixed in the steam vent 42a, and its other end is fixed in the through hole 39 on the intermediate member 30, and circuit board 33,34 is fixed on the intermediate member 30.
The airborne portion of air of discharging by said structure flows to the space that is positioned at circuit board 33,34 or heat liberation board 37 by air conduit T.
Above-mentioned air conduit T is made by pliable and tough material, is provided with iron wire in the above-mentioned air conduit T, and above-mentioned air conduit T is fixed on a side of steam vent by the iron wire in it.
In addition, air conduit T preferably is fixed on the position below the heat liberation board 37.
Now the operation process to vacuum cleaner of the present invention is elaborated.
At first, provide power supply to the body of dust catcher, set and suck retaining by electric wire 45; Motor is rotated corresponding to sucking retaining, makes simultaneously to drive to fan to rotate together to produce suction; By the transmission of above-mentioned suction, the air that will contain foreign matter flows into to suction inlet 23 by sucking the mouth of pipe (omitting among the figure) and prolongation pipe (omitting among the figure) and suction hose (omitting among the figure); Flow into the intrinsic air that contains foreign matter through above-mentioned suction inlet 23, along with the guiding of inflow catheter 31 flows in the inlet 51a of dust box 50; Flow into the air that contains foreign matter of lid 52 bottom surfaces of dust box 50, separate with foreign matter by the filter (omitting among the figure) in the casing 51, air after the separation flows along discharging conduit 32, discharge conduit 32 and connect outlet 52a and motor case 42, so flow into the air-cooled motor in the motor case 42, discharge by a plurality of steam vent 42a afterwards; The air that steam vent 42a discharges flows to exhaust portion 43 along blast pipe 43a, is discharged to the outside of body then.Owing to discharge airborne portion of air, flow into the position of fixing circuit board 33,34 by the air conduit T that is fixed on steam vent 42a one side, and the torrid zone that circuit board 33,34 and heat liberation board 37 produce is walked.
As shown in Figure 3, circuit board 34 comprises element 38 and heat liberation board 37.This circuit board 34 is fixed on fixedly on the timber 35.The front of said fixing timber 35 also is provided with the fixedly timber 36 of a pair of moulding, this fixedly timber 36 fix another circuit board.As shown in Figure 2, above-mentioned a pair of fixedly timber 35 and 36 fixing circuit boards, this a pair of fixedly timber 35 and 36 is fixed on the intermediate member 30, and the below of this intermediate member 30 is provided with motor case and blast pipe 43a.
Main central idea of the present invention is, makes the portion of air of discharging in the gas flow to circuit board, and the torrid zone that circuit board 34 produces is walked.In order to achieve the above object, select the end of a steam vent in order to fixed air conduit T in a plurality of steam vents of motor case one side, the other end of this air conduit T is fixed in the through hole 39 after passing the hole 42b ' of blast pipe 43a sidewall.In addition, because the mobile air conduit T that makes of air breaks away from steam vent 42a, be provided with thin wire W in order to prevent in this air conduit T, this air conduit T is fixed in the steam vent 42a of motor case one side by thin wire W.
As mentioned above, the basic technological thought of the present invention is, with that discharge and airborne portion of air after foreign matter separates, flow into the space at circuit board place, cooling circuit board.
In addition, in technical scheme scope of the present invention, belong to the technical staff who possesses general knowledge in the present technique field, can on the basis of the technology of the present invention thought, adopt a lot of embodiment.
For example,, replace above-mentioned air conduit, the airborne portion of air of discharging is flow into the space that circuit board is set by between the space of fixing circuit board, auxiliary tube being set in the top of blast pipe 43a one side.
Claims (5)
1, a kind of vacuum cleaner with circuit board heat release structure comprises upper body, lower case, middle part, circuit board, electric machine casing, is fixed with motor in it, drives fan, dust box, driving wheel, power line spool and power line spool cover; It is characterized in that described intermediate member is provided with the circuit board to the body of dust collector input control signal;
The part of electric machine casing sidewall is provided with the steam vent of a plurality of moulding;
Described steam vent is equipped with blast pipe;
Air conduit is fixed on the side of described steam vent to described circuit board.
2, the vacuum cleaner with circuit board heat release structure according to claim 1 is characterized in that described intermediate member is provided with the through hole of fixing described air conduit end.
3, the vacuum cleaner with circuit board heat release structure according to claim 1 is characterized in that the part of described motor case sidewall is provided with the hole of inserting for described air conduit.
4, the vacuum cleaner with circuit board heat release structure according to claim 1 is characterized in that described blast pipe is provided with the hole of inserting for air conduit.
5, according to claim 1,2,3 or 4 described vacuum cleaners with circuit board heat release structure, it is characterized in that described air conduit made by pliable and tough material, be provided with iron wire in the air conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144388 CN1281179C (en) | 2001-12-18 | 2001-12-18 | Vacuum cleaner having circuit board heat release structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144388 CN1281179C (en) | 2001-12-18 | 2001-12-18 | Vacuum cleaner having circuit board heat release structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426757A true CN1426757A (en) | 2003-07-02 |
| CN1281179C CN1281179C (en) | 2006-10-25 |
Family
ID=4677537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01144388 Expired - Fee Related CN1281179C (en) | 2001-12-18 | 2001-12-18 | Vacuum cleaner having circuit board heat release structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1281179C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358456C (en) * | 2003-09-27 | 2008-01-02 | 乐金电子(天津)电器有限公司 | Heat radiation structure of vacuum cleaner |
| CN100515303C (en) * | 2004-04-08 | 2009-07-22 | 格林蒂普勒斯德国有限公司 | Vacuum cleaner |
| CN103921812A (en) * | 2013-11-29 | 2014-07-16 | 上海华力微电子有限公司 | Trolley capable of reducing dust particles generated during article carrying |
| CN105361816A (en) * | 2014-08-06 | 2016-03-02 | 沃维克股份有限公司 | Vacuum cleaner with an electric motor for generating suction air and a circuit board |
| CN105708388A (en) * | 2015-12-16 | 2016-06-29 | 美的集团股份有限公司 | Steam dust collector |
| US10376119B2 (en) | 2015-12-16 | 2019-08-13 | Midea Group Co., Ltd. | Steam cleaner |
-
2001
- 2001-12-18 CN CN 01144388 patent/CN1281179C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358456C (en) * | 2003-09-27 | 2008-01-02 | 乐金电子(天津)电器有限公司 | Heat radiation structure of vacuum cleaner |
| CN100515303C (en) * | 2004-04-08 | 2009-07-22 | 格林蒂普勒斯德国有限公司 | Vacuum cleaner |
| CN103921812A (en) * | 2013-11-29 | 2014-07-16 | 上海华力微电子有限公司 | Trolley capable of reducing dust particles generated during article carrying |
| CN105361816A (en) * | 2014-08-06 | 2016-03-02 | 沃维克股份有限公司 | Vacuum cleaner with an electric motor for generating suction air and a circuit board |
| CN105361816B (en) * | 2014-08-06 | 2019-11-15 | 沃维克股份有限公司 | Dust catcher with motor and circuit board for generating sucking air |
| CN105708388A (en) * | 2015-12-16 | 2016-06-29 | 美的集团股份有限公司 | Steam dust collector |
| US10376119B2 (en) | 2015-12-16 | 2019-08-13 | Midea Group Co., Ltd. | Steam cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1281179C (en) | 2006-10-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061025 Termination date: 20111218 |