CN2082381U - Electric fan with cold or hot wind - Google Patents
Electric fan with cold or hot wind Download PDFInfo
- Publication number
- CN2082381U CN2082381U CN 90214692 CN90214692U CN2082381U CN 2082381 U CN2082381 U CN 2082381U CN 90214692 CN90214692 CN 90214692 CN 90214692 U CN90214692 U CN 90214692U CN 2082381 U CN2082381 U CN 2082381U
- Authority
- CN
- China
- Prior art keywords
- cold
- electric fan
- wind
- heat exchanging
- hot wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims description 35
- 239000000446 fuel Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an electric fan with cold or hot wind. The electric fan with cold or hot wind is characterized in that a semiconductor refrigeration device is arranged on the front cover of the electric fan with cold or hot wind. An inner heat exchanging sheet and an outer heat exchanging sheet are respectively arranged on two heat effect surfaces of the electric fan with cold or hot wind. The inner heat exchanging sheet is positioned inside the front wind outlet channel of the electric fan with cold or hot wind, and the outer heat exchanging sheet is positioned inside the rear wind outlet channel of the electric fan with cold or hot wind. After the semiconductor refrigeration device is powered direct current electricity, one heat effect surface is heated, and the other heat effect surface is chilled. Therefore, hot wind is blown out from the front wind outlet channel, and cold wind is blew out from the rear wind outlet channel. The power supply polarity of the semiconductor refrigeration device is transformed. The hot wind is blown out from the front wind outlet channel, and the cold wind is blown out from the rear wind outlet channel.
Description
The utility model belongs to non-varactor pump, particularly relates to a kind of electric fan.
At present, the method that cold or warm wind electric fan both domestic and external produces hot blast is: produce heat by the resistance wire that is located at the blade front, outwards blow out hot blast during blade rotation; The method that produces cold wind is: make water fogging earlier, outwards blow out the wind that has water smoke by blade then, the evaporation by water smoke makes the people produce feel cool.But, the complex structure of this cold or warm wind electric fan; The cold wind that is produced and the temperature difference of environment are very little; The temperature of cold wind is difficult to regulate; Easily increase indoor air humidity; Particularly the same day unhappy heat, when moist, the wind that has water smoke that this cold or warm wind electric fan produced is because the evaporation difficulty, so almost there is not cooling effect.Another kind of refrigerating method is to use compressor cooling, and still, this refrigerating method is difficult to carry out on electric fan.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part, as low-temperature receiver and thermal source, provides that a kind of power consumption is little, volume is little, the cold or warm wind electric fan of simple in structure, good refrigeration effect with semiconductor cooling device.
The purpose of this utility model can realize by following technical proposal:
The utility model mainly comprises blade, motor and outer cover, and the driving shaft of motor is connected with blade, before and after the blade outer cover is housed, and is provided with an airduct between blade and the outer cover, it is characterized in that: several pieces semiconductor cooling devices are housed on the outer cover of blade front.Air is flowed into by the axle airduct at blade rear portion, and behind blade, the outer cover through the blade front blows out (is preceding air-out passage to call this road air-out passage in the following text) forward.Two faces that cover with potsherd are two fuel factor faces of semiconductor cooling device, have two power lines to draw from semiconductor cooling device.On a fuel factor face of semiconductor cooling device interior heat exchanging fin is housed, interior heat exchanging fin is positioned at the preceding air-out passage of electric fan.When two lead-in wires on the semiconductor cooling device passed to direct current, the fuel factor face of heat exchanging fin turned cold in being equipped with, and another fuel factor face heating, and the temperature difference between two fuel factor faces can reach tens degree.After the blade rotation, air-flow that blade is sent carries out heat exchange during through the interior heat exchanging fin in the preceding air-out passage, and the wind that blows out of air-out passage is exactly cold wind in the past.In order to make cooling effect better, can carry out cooling processing to the fuel factor face of heating, the cooling means of this fuel factor face has two kinds: a kind of is that one tunnel air-out passage is set on the outer cover of electric fan front again, air is still flowed into by the axle airduct at blade rear portion, by being divided into two-way behind the blade, one the tunnel enters preceding air-out passage, and the side or the rear of another road direction outer cover blows out (is back air-out passage to call this road air-out passage in the following text).Heat exchanging fin outside being equipped with on the fuel factor face of this heating of semiconductor cooling device, this outer heat exchanging fin is positioned at the back air-out passage of electric fan.Air-flow carries out heat exchange when the outer heat exchanging fin in the air-out passage later, the wind that blows out from back air-out passage is exactly hot blast.Another kind of cooling means to this fuel factor face is: heat exchanging fin is provided with water cooling plant outside, and outer heat exchanging fin and water carry out heat exchange, the heat on the outer heat exchanging fin can be taken away.When the polarity chron of two power supply lead wires of transposing on the semiconductor cooling device, the fuel factor face of original heat turned cold, and original cold fuel factor face heating, and at this moment the wind that blows out of air-out passage is exactly hot blast in the past.
The utility model compared with prior art has big advantage: volume is little, simple in structure, per hour power consumption has only about 150 watts, when the rotating speed that changes blade or before changing during the sectional area of air-out passage, the temperature of the wind that the air-out passage blows out before can regulating easily, the comparable environment temperature of its cold wind temperature is low.
Below in conjunction with drawings and Examples the utility model is further described:
Accompanying drawing 1 is a cover part right view of the present utility model;
Accompanying drawing 2 is a cover part front view of the present utility model;
Wherein: 1, shell; 2, axle airduct; 3, outer heat exchanging fin; 4, semiconductor cooling device; 5, internal support ring; 6, interior heat exchanging fin; 7, external support piece; 8, insulating collar; 9, tube support plate; 10, front air outlet.
The utility model mainly comprises blade, motor and outer cover, the driving shaft of motor is connected with blade, outer cover is housed before and after the blade, be provided with an airduct 2 between blade and the outer cover, several pieces semiconductor cooling devices 4 are housed on the outer cover of blade front, and these several pieces semiconductor cooling devices 4 are arranged a week around the center of circle of outer cover.The inboard of every chip semiconductor refrigeration device 4 is provided with internal support ring 5, the outside is provided with external support piece 7, internal support ring 5 and external support piece 7 clamp semiconductor cooling device 4, and they are fixed on the shell 1 with screw, be provided with the insulating collar 8 that plastics are made between semiconductor cooling device 4 and the shell 1, carry out heat exchange by shell 1 in order to two fuel factor faces that stop semiconductor cooling device 8.Internal support ring 5 and external support piece 7 are provided with some shallow slots, be fixed with heat exchanging fin 6 in several pieces in the shallow slot of internal support ring 5, be fixed with several pieces outer heat exchanging fins 3 in the shallow slot of external support piece 7, interior heat exchanging fin 6 is arranged in the inboard of semiconductor cooling device 4 radially, and outer heat exchanging fin 3 is arranged in the outside of semiconductor cooling device 4 radially.The shell 1 in semiconductor cooling device 4 outsides seals, and inboard shell 1 has front air outlet 10.Be provided with several tube support plates 9 between axle airduct 2 and the shell 1, make shell 1 can be fixed on the outer wall of an airduct 2.Air flows into from the axle airduct 2 at blade rear portion, by punishing into two-way at semiconductor cooling device 4 behind the blade, one road outside from semiconductor cooling device is through the slit between the outer heat exchanging fin 3, blow out backward through shell 1 and the space that axle airduct 2 forms again, form back air-out passage; Another road is from the inboard of semiconductor cooling device, the slit between interior heat exchanging fin 6, and the front air outlet 10 that has on shell 1 again blows out forward, air-out passage before forming.Externally the another kind of cooling means of heat exchanging fin is: on the heat exchanging fin 3 water cooling plant is set outside, some tiny plastics or metallic conduit are set in the slit that its concrete scheme is a heat exchanging fin 3 outside, plastics or metallic conduit communicate with the water source, when the water in plastics or the metallic conduit flows, the heat of outer heat exchanging fin 3 can be taken away, thereby heat exchanging fin 6 can obtain lower temperature in guaranteeing.Start electric fan, and when passing to direct current for semiconductor cooling device 4, can blow out cold wind from front air outlet 10, the electric power polarity of transposing semiconductor cooling device 4, front air outlet 10 can blow out hot blast.Adjustable for the wind-warm syndrome degree that front air outlet 10 is blown out, can on shell 1, blinker be set, the number of blinker is identical with the number of front air outlet 10.When being rotated in the forward blinker, blinker can progressively be picked up front air outlet 10, and during the reverse rotation blinker, blinker can progressively open wide front air outlet ［ 10 ］, thereby changes the area of front air outlet 10, and the wind-warm syndrome degree that front air outlet 10 is blown out changes.
Claims (4)
1, a kind of cold or warm wind electric fan comprises blade, motor and outer cover, and the driving shaft of motor is connected with blade, and outer cover is housed before and after the blade; It is characterized in that: semiconductor cooling device 4 is housed on the outer cover of blade front, heat exchanging fin 6 in being equipped with on the fuel factor face of semiconductor cooling device 4, heat exchanging fin 6 is positioned at the preceding air-out passage of electric fan in this.
2, cold or warm wind electric fan according to claim 1 is characterized in that: on another fuel factor face of semiconductor cooling device 4 outer heat exchanging fin 3 is housed.
3, cold or warm wind electric fan according to claim 2 is characterized in that: outer heat exchanging fin 3 is positioned at the back air-out passage of electric fan.
4, cold or warm wind electric fan according to claim 2 is characterized in that: can also be provided with water cooling plant on the outer heat exchanging fin 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90214692 CN2082381U (en) | 1990-11-03 | 1990-11-03 | Electric fan with cold or hot wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90214692 CN2082381U (en) | 1990-11-03 | 1990-11-03 | Electric fan with cold or hot wind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2082381U true CN2082381U (en) | 1991-08-07 |
Family
ID=4894049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90214692 Withdrawn CN2082381U (en) | 1990-11-03 | 1990-11-03 | Electric fan with cold or hot wind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2082381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414217C (en) * | 2000-12-29 | 2008-08-27 | Lg电子株式会社 | Thermoelectric cooler |
| CN113757838A (en) * | 2021-08-18 | 2021-12-07 | 青岛澳柯玛生活电器有限公司 | Cooling fan |
-
1990
- 1990-11-03 CN CN 90214692 patent/CN2082381U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414217C (en) * | 2000-12-29 | 2008-08-27 | Lg电子株式会社 | Thermoelectric cooler |
| CN113757838A (en) * | 2021-08-18 | 2021-12-07 | 青岛澳柯玛生活电器有限公司 | Cooling fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |