CN1600225A - Heat radiation structure of vacuum cleaner - Google Patents
Heat radiation structure of vacuum cleaner Download PDFInfo
- Publication number
- CN1600225A CN1600225A CN 03144428 CN03144428A CN1600225A CN 1600225 A CN1600225 A CN 1600225A CN 03144428 CN03144428 CN 03144428 CN 03144428 A CN03144428 A CN 03144428A CN 1600225 A CN1600225 A CN 1600225A
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- fan motor
- motor assembly
- air
- dust
- circuit board
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Abstract
A heat dissipating structure of vacuum cleaner is composed of a fan/motor unit for generating the sucking force, a dust collector, an air sucking channel between said first two, circuit board with a through hole, and a heat dissipating pipe made of the material with high heat conductivity and connected between said air sucking channel and the through hole on circuit board.
Description
Technical field
The invention relates to vacuum cleaner, particularly be the radiator structure of vacuum cleaner.Particularly for the heat that is produced in the main electric component on the circuit board that is arranged on control vacuum cleaner action is effectively emitted, meanwhile also can air fed air throttle on to fan motor assembly when emergency.
Background technology
Usually vacuum cleaner is a dust of being forced to suck ground by the strong suction that takes place in the body of dust collector by nozzle body, and then reach cleaning purpose tame electrical equipment, as shown in Figure 1, the starting that is located at inner fan motor assembly produces the body of dust collector 10 of strong suction, be connected the suction hose 20 of softness in the place ahead of body of dust collector 10, the handle 30 that on these suction hose 20 ends, forms, one end is connected the prolongation pipe 40 of handle 30, dismountablely be connected the other end that prolongs pipe 40 and be close to the ground mobilely, the nozzle body 50 that sucks air outside and dust simultaneously constitutes.
Above-mentioned body of dust collector 10 inside are equipped with in order to control the circuit board of dust catcher starting, and a series of loops that are made of multiple electric components such as microcontroller chips on circuit board, in order to make the dust catcher action.
Usually the electric component of circuit board is in the process of using dust catcher, because of height output self temperature can raise, particularly as carry out the dust catcher action totally the main electric components such as microcontroller chip of control the correspondence of heating is lacked in ability, therefore in use tackle it and dispel the heat constantly.
Existing fan motor assembly rear is provided with circuit board, adheres to aluminium radiating board on heat radiation object electric component, utilizes air that fan motor assembly discharges that the electric component of circuit board is dispelled the heat.
But, under the situation that the air that utilization is as above discharged dispels the heat,, therefore have the low problem of radiating effect because behind the air that the is discharged from process fan motor assembly, temperature will have to a certain extent and rise.
Summary of the invention
In order to solve the problem that above-mentioned technology exists, the invention provides a kind of radiator structure of vacuum cleaner, purpose is to utilize cold suction air that the various main electric component of circuit board is dispelled the heat before flowing into fan motor assembly.In addition,, improve its structure, thereby make the radiating effect maximization, can improve in the dust catcher use reliability simultaneously electric component for improper situations such as the high speed rotation that solves fan motor assembly or dust filter are blocked.
To achieve these goals, the technical solution used in the present invention is: comprise being located at the inner side of body of dust collector, and produce the fan motor assembly of suction; Be arranged on the opposite side of body of dust collector, and from inhaled air, tangle foreign matter and carry out the dust-collecting box of control of dust; The air suction passage that between fan motor assembly and dust-collecting box, is connected and is provided with; Circuit board in that the place ahead of fan motor assembly is provided with is formed with the through hole that is connected with fan motor assembly; Hot channel one end of thermal conductivity material is connected with the air suction passage, and the other end is connected with the through hole peripheral part of circuit board, and is attached with the electric component of the part adjacency on the circuit board, and a side is attached with air throttle and constitutes.
Above-mentioned air suction passage is to be formed by the thermal conductivity material identical with hot channel.
The invention has the beneficial effects as follows: the present invention does not utilize the discharge air by fan motor assembly, and utilize the cold air that flows into fan motor assembly to dispel the heat, suck path oneself the formation heat dissipation channel that air flows, therefore between hot channel and suction air, directly carry out heat exchange, and then improve radiating effect.But by on hot channel, adhering to air throttle, when improper dust catcher moves, outside cold air is provided and carries out heat release to fan motor assembly and electric component, make attached to the electric component on the heat sink to the cold air of fan motor assembly by the dust collecting part water conservancy diversion directly to obtain cooling, therefore make radiating efficiency improve.Can prevent the damage of the electric component that dust catcher causes owing to improper starting in addition.And then the stability of raising parts, corresponding credit worthiness has also improved.
Description of drawings
Fig. 1 is the schematic diagram that common dust catcher constitutes;
Fig. 2 is the part sectioned view of the radiator structure of vacuum cleaner of the present invention;
Fig. 3 is the schematic diagram of radiator structure of the vacuum cleaner of Fig. 2;
Fig. 4 a is the schematic diagram attached to the air throttle on the vacuum cleaner of the present invention;
Fig. 4 b is the schematic diagram of another embodiment of Fig. 4 a;
Among the figure:
100: body 110: fan motor assembly
120: filter 130: dust-collecting box
140: air sucks path 150: circuit board
150a: through hole 160: electric component
170: hot channel 190: air throttle
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 2 to Fig. 4 is the radiator structure of vacuum cleaner of the present invention, as shown in the figure, comprise: in a side of body of dust collector 100, be provided with the fan motor assembly 110 that produces strong suction, in the opposite side of body of dust collector 100, be provided with the filter 120 that from leaked-in air, tangles foreign matter, and the dust-collecting box 130 that the foreign matter that tangles in filter 120 is gathered, between filter 120 and fan motor assembly 110, be provided with air by filter 120 to the air suction passage 140 of fan motor assembly 110 guiding.
In addition, be provided with the circuit board 150 of various electric components in the dead ahead of fan motor assembly 110 one, the starting of control vacuum cleaner, and on circuit board 150, be formed with inhaled air is flowed, the through hole 150a that is communicated with to fan motor assembly 110 sides.
The terminal part of air suction passage 140 combines with an end of hot channel 170, and the other end of hot channel 170 combines with the through hole 150a outer peripheral face of circuit board 150.And then by filter 120 inhaled airs, after air suction passage 140 and hot channel 170, the through hole 150a by circuit board 150 is directed on the fan motor assembly 110.
In addition, on the junction surface of hot channel 170 and air suction passage 140, insert seal member 180, airtight in order to keep, make by rubber or silicon material.
In addition, the side at hot channel 170 is attached with air throttle 190.The general utility functions that at first briefly explain air throttle 190 are as follows: compare the suction that fan motor assembly 110 is provided, when the amount to the air of the internal flow of air suction passage reduced, the internal pressure of air suction passage 140 will reduce.Such phenomenon is the air that flows into dust catcher inside, and certain part in flow passage takes place when being subjected to obstacle.
Illustrate as follows.When the user utilizes dust catcher to clean, will comprise that by suction the air of dust and foreign matter sucks.The air that comprises foreign matter flows into through filter 120 and air suction passage 140, and discharges to the outside by fan motor assembly 110.
But, when improper foreign matter, when the polybag that promptly common agglomerating toilet paper or width are wide etc. flow into, all top upturned situation of above-mentioned foreign matter with filter will take place.The temperature that the fan motor assembly 110 of generation suction will take place thus rises the overload phenomenon of fan motor assembly 110.Because such overload phenomenon rises the temperature of fan motor assembly 110, and then will make fan motor assembly 110 impaired, also can also can impact the electric component with fan motor assembly 110 vicinities.
In order to prevent such phenomenon, open at the air throttle 190 that a side of hot channel 170 is adhered to, and then air outside is provided on the fan motor assembly 110.By the unlatching of air throttle 190, can make fan motor assembly 110 carry out heat release in addition, and toward attached to also providing cold air on the electric component on the hot channel 170 160.
In the process of using dust catcher,, hot channel 170 is cooled off by the cold air that hot channel 170 is sucked.In addition, when the improper action of dust catcher, will open, and supply with air outside, cool off, and then maintaining heat be stable to fan motor assembly 110 and electric component 160 attached to the air throttle 190 of hot channel 170.
Fig. 4 a and Fig. 4 b are the schematic diagrames of air throttle 190.Fig. 4 a is the schematic diagram of air throttle 190 closed conditions, and Fig. 4 b is an air throttle according to the condition of outside and the schematic diagram of opening.
In sum, in the scope of the category that does not exceed the technology of the present invention thought, common technical staff of the same trade, the multiple technologies thought that has other is inevitable, and the present invention be scope with the claim item is that the basis makes an explanation.
Claims (2)
1. the radiator structure of a vacuum cleaner is characterized in that, comprises being located at the inner side of body of dust collector (10), and produces the fan motor assembly (110) of suction; Be arranged on the opposite side of body of dust collector (10), and from inhaled air, tangle foreign matter and carry out the dust-collecting box (130) of control of dust; The air suction passage (140) that between fan motor assembly (110) and dust-collecting box (130), is connected and is provided with; Circuit board (150) in that the place ahead of fan motor assembly (110) is provided with is formed with the through hole (150a) that is connected with fan motor assembly (110); Hot channel (170) one ends of thermal conductivity material are connected with air suction passage (140), the other end is connected with through hole (150a) peripheral part of circuit board (150), and be attached with the electric component (160) of the part adjacency on the circuit board (150), a side is attached with air throttle (190) and constitutes.
2. according to the radiator structure of the described vacuum cleaner of claim 1, it is characterized in that above-mentioned air suction passage (140) is to be formed by the thermal conductivity material identical with hot channel (170).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031444288A CN100358456C (en) | 2003-09-27 | 2003-09-27 | Heat radiation structure of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031444288A CN100358456C (en) | 2003-09-27 | 2003-09-27 | Heat radiation structure of vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1600225A true CN1600225A (en) | 2005-03-30 |
| CN100358456C CN100358456C (en) | 2008-01-02 |
Family
ID=34659585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031444288A Expired - Fee Related CN100358456C (en) | 2003-09-27 | 2003-09-27 | Heat radiation structure of vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100358456C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708388A (en) * | 2015-12-16 | 2016-06-29 | 美的集团股份有限公司 | Steam dust collector |
| CN109662647A (en) * | 2017-10-16 | 2019-04-23 | 戴森技术有限公司 | Vacuum cleaner |
| US10376119B2 (en) | 2015-12-16 | 2019-08-13 | Midea Group Co., Ltd. | Steam cleaner |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212643A1 (en) * | 1992-04-15 | 1993-10-21 | Siemens Ag | Suction cleaner with blower - has blower motor controlled by semiconductor switch from which heat is conducted directly through cover of blower into air stream drawn from dust chamber |
| SE9503753D0 (en) * | 1995-10-25 | 1995-10-25 | Electrolux Ab | Device for a vacuum cleaner |
| JP3515405B2 (en) * | 1999-02-02 | 2004-04-05 | シャープ株式会社 | Electric vacuum cleaner |
| JP2001275902A (en) * | 2000-03-30 | 2001-10-09 | Toshiba Tec Corp | Vacuum cleaner |
| CN1205890C (en) * | 2001-12-17 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Vacuum cleaner |
| CN1426730A (en) * | 2001-12-18 | 2003-07-02 | 乐金电子(天津)电器有限公司 | Vacuum cleaner |
| CN1426756A (en) * | 2001-12-18 | 2003-07-02 | 乐金电子(天津)电器有限公司 | Vacuum cleaner having electric motor protective device |
| CN1281179C (en) * | 2001-12-18 | 2006-10-25 | 乐金电子(天津)电器有限公司 | Vacuum cleaner having circuit board heat release structure |
| CN2521819Y (en) * | 2001-12-27 | 2002-11-20 | ***电子第二十一研究所 | Dc brushless motor for dust collect |
-
2003
- 2003-09-27 CN CNB031444288A patent/CN100358456C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109662647A (en) * | 2017-10-16 | 2019-04-23 | 戴森技术有限公司 | Vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100358456C (en) | 2008-01-02 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |