CN204757094U - Novel PTC electric fan heater - Google Patents
Novel PTC electric fan heater Download PDFInfo
- Publication number
- CN204757094U CN204757094U CN201520230703.3U CN201520230703U CN204757094U CN 204757094 U CN204757094 U CN 204757094U CN 201520230703 U CN201520230703 U CN 201520230703U CN 204757094 U CN204757094 U CN 204757094U
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- China
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- ptc
- air
- chamber
- air channel
- heater element
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Abstract
The utility model provides a novel PTC electric fan heater, this electric fan heater have improved the design in PTC heating element's electrode terminals position and wind channel chamber, and the security and the hot efficiency of the electric fan heater that is are higher. The structure of electric fan heater includes wind channel chamber and PTC the heating element, the wind channel chamber comprises a plurality of blocks of wind channel boards, is equipped with the heating installation mouth on the board of wind channel, PTC the heating element installs the heating installation mouth department on the board of wind channel, PTC the heating element includes PTC heating element body and heating element support, the bottom that the wind channel board that is equipped with the heating installation mouth was being kept away from to the PTC heating element body is provided with electrode terminals vertically, relative electrode terminals's position is equipped with the terminal and passes the groove on the heating element support. The wind channel intracavity is equipped with arc -shaped guide surface and baffler, and baffler perpendicular to arc -shaped guide surface sets up.
Description
Technical field
The utility model relates to household appliance technical field, is specifically related to a kind of PTC that adopts as the warm-air drier of heater element.
Background technology
PTC heating element heater is because advantages such as its heating is rapid, thermal effect is high, resistance to oxidation, long service life, and current most of warm-air drier all can adopt PTC heating element heats.Warm-air drier is a kind of firing equipment of forced convection formula, due to PTC heating element heats rapidly and thermal effect is high, therefore how to make PTC element use the safer and heat making it produce to send in time outside warm-air drier to be the problem that is crucial in time, address these problems depend primarily on PTC element mounting structure, warm-air drier Duct design these two aspects.
The electrode terminal of the PTC heater element of current warm-air drier is all be arranged on the side of heat generating component, the i.e. electrode terminal of PTC heater element and PTC heater element level connection joint, as the structure of publication number PTC heater element disclosed in the Chinese patent of CN2331913Y.General PTC heater element is placed in support, support installing is on the air duct board, air duct board is generally metal decking, the air duct board of the electrode terminal of PTC heater element very direct metal, when PTC heater element is in heated condition, electrode terminal is energized, and electric current easily passes on air duct board by electrode terminal, causes electric leakage; And electrode terminal is too near to the heat radiation that air duct board also can affect electrode terminal.When cover opened by needs during maintenance, the electrode terminal of PTC heater element can show outside outward, keeps in repair and removes and installs Shi Douhui and easily damage electrode terminal.And PTC heater element is arranged at heating installation mouth place, the side that electrode terminal extends heater element easily can cause electric leakage and affect the aesthetic property of warm-air drier entirety.
Summary of the invention
For prior art existing problems, the utility model provides a kind of novel PTC warm-air drier, improves the relative position of PTC heater element and its electrode terminal, enhances anti-creeping security; Secondly more reasonably devise air channel, make the thermal efficiency of whole warm-air drier higher.
A novel PTC warm-air drier, comprises chamber, air channel and PTC heat generating component; Chamber, described air channel is the cavity communicated with the external world be made up of some pieces of air duct boards; Described air duct board is provided with heating installation mouth; Described PTC heat generating component is installed on the heating installation mouth place on air duct board, and described PTC heat generating component is placed in chamber, air channel; Described PTC heat generating component comprises PTC heater element body and heater element support; Especially, described PTC heater element body is provided with electrode terminal vertically in the bottom away from the air duct board being provided with heating installation mouth; On described heater element support, the position of comparative electrode terminal is provided with terminal through groove.
Principle of the present utility model is as follows: the bottom electrode terminal of PTC heater element body being arranged on vertically PTC heater element body, make electrode terminal most possibly away from air duct board, when avoiding heating, electric current is sent to air duct board from electrode terminal, avoids the possibility of electric leakage.Secondly, the position of the bottom counter electrode terminal of heater element support is provided with terminal by groove, and electrode terminal is placed in terminal by groove, and heater element support is the plastic body of insulation, and electrode terminal is subject to the protection of insulator, anticreep further.3rd, the below of electrode terminal is unsettled chamber, air channel, is conducive to the heat radiation of electrode terminal, avoids connection jaws hot soak condition and be oxidized, it also avoid the hidden danger of breaking out of fire, add security.
Further, warm-air drier of the present utility model also improves the design in chamber, air channel: described air duct board is configured with the heat exchange air outlet that chamber, air channel communicates with the external world, and described heat exchange air outlet is placed in the bottom in chamber, air channel; Described air channel is provided with arc guide face in chamber, and described arc guide face is arranged at the top in chamber, air channel; In chamber, described air channel, be also provided with baffler, described baffler is arranged perpendicular to arc guide face; Described heat exchange air outlet and PTC heat generating component are placed in the both sides of baffler respectively.Baffler should be long as much as possible, extends the distance that wind flows in chamber, air channel as best one can.Define long and narrow air channel in the below of PTC heat generating component, when warm-air drier heats, the heat of PTC heat generating component can more concentrate near heating installation mouth; When warm-air drier heat exchange, the distance of hot wind flow can be made to increase, be conducive to heat radiation.
Described air channel is also provided with blower fan in chamber, and air duct board is provided with heat exchange air inlet in the position that blower fan is corresponding.Preferably, described blower fan is arranged near the arc guide face in chamber, air channel, and blower fan is preferably two-way blower fan.
The utility model structure is simple, changes the setting position of electrode terminal, effectively can avoid electric leakage, add security and the aesthetic property of warm-air drier.And improve the design in chamber, air channel, extend the distance that wind flows in chamber, air channel as much as possible, be conducive to heat radiation; Also make the air channel below heat generating component become long and narrow, when being more conducive to heating, heat is concentrated, improves the thermal efficiency of warm-air drier.
Accompanying drawing explanation
Fig. 1 is the warm-air drier detonation configuration figure of embodiment;
Fig. 2 is the structural representation of opening function surface cover after the warm-air drier assembling of embodiment;
Fig. 3 is the decomposition texture schematic diagram of the PTC heat generating component of embodiment;
Fig. 4 is the bottom surface structure schematic diagram of the heater element support of embodiment;
Fig. 5 is the structural representation opening face air duct board after the warm-air drier assembling of embodiment.
Reference numeral: 1-functional surfaces cover plate; 2-face-piece; Chamber, 3-air channel; 31-face air duct board; 32-crosswind guidance tape; Air duct board at the bottom of 33-; 34-deflector; 4-PTC heat generating component; 41-PTC heater element body; 42-heater element support; 43-electrode terminal; 44-terminal is through groove; 5-blower fan; 6-heat exchange air outlet; 7-heat exchange air inlet; 8-heating installation mouth; 9-baffler; 10-power supply.
Detailed description of the invention
Specific embodiments of the present utility model is further illustrated below in conjunction with accompanying drawing:
As shown in Figures 1 to 5, a kind of novel PTC warm-air drier, comprising: functional surfaces cover plate 1, face-piece 2, chamber, air channel 3, PTC heat generating component 4 and blower fan 5.Functional surfaces cover plate 1 and face-piece 2 form the monolithic case of warm-air drier, and the monolithic case of warm-air drier is box-like.
Chamber, air channel 3 is the cavitys be made up of face air duct board 31, crosswind guidance tape 32, end air duct board 33 and deflector 34.It is the heat exchange air outlet 6 communicated with the external world that face air duct board 31, crosswind guidance tape 32, end air duct board 33 and deflector 34 constitute bottom.Face air duct board 31 is respectively equipped with heat exchange air inlet 7 and heating installation mouth 8.PTC heat generating component 4 is installed on heating installation mouth 8 place on face air duct board 31.Blower fan 5 is installed on end air duct board 33, and the position of blower fan 5 is corresponding with the position of heat exchange air inlet 7.Deflector 34 is arc, and deflector is arranged on the bottom in chamber, air channel 3, the side of heating installation mouth 8, by air conducting to heating installation mouth 8 place.The top of crosswind guidance tape 32 defines arc guide face.Unlike the prior art, baffler 9 is also provided with in chamber, air channel 3.Baffler 9 is arranged on end air duct board 33, opposing arcuate guide face is vertically arranged.Chamber, air channel 3 is separated into two the long chambeies communicated by baffler 9.Heat exchange air outlet 6 and heating installation mouth 8 are placed in the both sides of baffler 9 respectively.Baffler 9 extends the flow distance of air in chamber, air channel 3.
PTC heat generating component 4 comprises PTC heater element body 41 and heater element support 42.Unlike the prior art, the electrode terminal 43 on PTC heater element body 41 is arranged on bottom PTC heater element body 41 vertically, and the bottom of PTC heater element body 41 refers to the side of PTC heater element body 41 away from face air duct board 31.Electrode terminal 43, as much as possible away from face air duct board 31, can avoid electric leakage.The position of the bottom counter electrode terminal 43 of heater element support 42 is provided with terminal by groove 44.Electrode terminal 43 is placed in terminal by groove 44, and heater element support 44 is plastic bodies of insulation, and electrode terminal 43 is subject to the protection of insulator, anticreep further.
Crosswind guidance tape 32 is also provided with power supply 10.Electrode terminal 43 is connected by electric wire and power supply 10.
Blower fan 5 is two-way blower fans.Blower fan 5 turn clockwise air blast time, air flows to the direction of heating installation mouth 8 from heat exchange air inlet 7 and heat exchange air outlet 6, and PTC heat generating component 4 heats, and warm-air drier is in and send heating installation state; When blower fan 5 is rotated counterclockwise air blast, air flows to the direction of heat exchange air outlet 6 from heat exchange air inlet 7 and heating installation mouth 8, and PTC heat generating component 4 stops heat, and warm-air drier is in the state of cooling.
Claims (3)
1. a novel PTC warm-air drier, comprises chamber, air channel and PTC heat generating component; Chamber, described air channel is the cavity communicated with the external world be made up of some pieces of air duct boards; Described air duct board is provided with heating installation mouth; Described PTC heat generating component is installed on the heating installation mouth place on air duct board, and described PTC heat generating component is placed in chamber, air channel; Described PTC heat generating component comprises PTC heater element body and heater element support; It is characterized in that, described PTC heater element body is provided with electrode terminal vertically in the bottom away from the air duct board being provided with heating installation mouth; On described heater element support, the position of comparative electrode terminal is provided with terminal through groove.
2. a kind of novel PTC warm-air drier according to claim 1, is characterized in that, described air duct board is configured with the heat exchange air outlet that chamber, air channel communicates with the external world, and described heat exchange air outlet is placed in the bottom in chamber, air channel; Described air channel is provided with arc guide face in chamber, and described arc guide face is arranged at the top in chamber, air channel; In chamber, described air channel, be also provided with baffler, described baffler is arranged perpendicular to arc guide face; Described heat exchange air outlet and PTC heat generating component are placed in the both sides of baffler respectively.
3. a kind of novel PTC warm-air drier according to claim 1, it is characterized in that, described air channel is also provided with blower fan in chamber, and air duct board is provided with heat exchange air inlet in the position that blower fan is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230703.3U CN204757094U (en) | 2015-04-15 | 2015-04-15 | Novel PTC electric fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520230703.3U CN204757094U (en) | 2015-04-15 | 2015-04-15 | Novel PTC electric fan heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757094U true CN204757094U (en) | 2015-11-11 |
Family
ID=54471797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520230703.3U Expired - Fee Related CN204757094U (en) | 2015-04-15 | 2015-04-15 | Novel PTC electric fan heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444555A (en) * | 2015-12-31 | 2016-03-30 | 温州星贝机械科技有限公司 | Dryer |
| CN105546624A (en) * | 2016-02-22 | 2016-05-04 | 杭州奥普卫厨科技有限公司 | Bidirectional draught fan capable of feeding fresh air and heater |
| CN109210784A (en) * | 2017-07-06 | 2019-01-15 | 松下知识产权经营株式会社 | Warm-air drier |
-
2015
- 2015-04-15 CN CN201520230703.3U patent/CN204757094U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444555A (en) * | 2015-12-31 | 2016-03-30 | 温州星贝机械科技有限公司 | Dryer |
| CN105444555B (en) * | 2015-12-31 | 2018-02-16 | 温州星贝机械科技有限公司 | A kind of dryer |
| CN105546624A (en) * | 2016-02-22 | 2016-05-04 | 杭州奥普卫厨科技有限公司 | Bidirectional draught fan capable of feeding fresh air and heater |
| CN105546624B (en) * | 2016-02-22 | 2019-01-18 | 奥普家居股份有限公司 | It can be into the two-way blower fan and heater of fresh air |
| CN109210784A (en) * | 2017-07-06 | 2019-01-15 | 松下知识产权经营株式会社 | Warm-air drier |
| CN109210784B (en) * | 2017-07-06 | 2022-06-17 | 松下知识产权经营株式会社 | Warm-air drier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20170415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |