CN201281404Y - Electric heating fan - Google Patents
Electric heating fan Download PDFInfo
- Publication number
- CN201281404Y CN201281404Y CNU2008201417356U CN200820141735U CN201281404Y CN 201281404 Y CN201281404 Y CN 201281404Y CN U2008201417356 U CNU2008201417356 U CN U2008201417356U CN 200820141735 U CN200820141735 U CN 200820141735U CN 201281404 Y CN201281404 Y CN 201281404Y
- Authority
- CN
- China
- Prior art keywords
- air channel
- fan
- cover cap
- shaped body
- electric calorifier
- 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.)
- Expired - Fee Related
Links
- 238000005485 electric heating Methods 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000006004 Quartz sand Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 27
- 230000001012 protector Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 241001075561 Fioria Species 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The utility model provides an electric heating fan; a shell body is composed of an intermediate frame body and a front cover cap and a rear cover cap which are fixed respectively on the two ends of the intermediate frame body; the intermediate frame body is structured by an upper cover and a lower base which are jointly connected; the front cover cap is provided with a gate hole front plate and the rear cover cap is provided with a fan and a bracket thereof and an air duct which contains a fan blade; the port of the air duct is connected with the front cover cap; the surface of the air duct is provided with an electric control part; an electric heating element which is composed of a metal coil, an electric heating wire in the metal coil and quartz sand filling material is arranged in the air duct. The electric heating fan can avoid the occurrence of faster oxidation of the electric heating wire and the damage caused by hot melting of the plastic material parts, and has the prominent advantages of low fault rate and stable operation in a long term.
Description
Technical field
The utility model belongs to hot air generator, particularly relates to a kind of electric calorifier.
Background technology
In the prior art, the hot air generator of being made up of housing, heating wire, blower fan and temperature selector switch and power switch is a kind of common electric heating airing radiator.The higher defective of above-mentioned heating installation ubiquity fault rate, fault show that mainly heating wire damages because of hot melt easily takes place for oxidation is easily opened circuit, the long period powers up plastic material under the ruuning situation parts.
Summary of the invention
The utility model is that the ubiquitous heating wire of above-mentioned electric pyrogenicity hot air generator easily opens circuit, the technical problem of the easy hot melt of plastics material part in order to solve, and proposes a kind of electric calorifier that can operation steady in a long-term.
The utility model is taked following technical scheme for achieving the above object: this electric calorifier is by housing, heating wire, blower fan and power switch are formed, it is characterized in that: the front and back cover cap of housing box-shaped body both ends of the surface by middle box-shaped body with in the middle of being individually fixed in is constituted, box-shaped body is made of loam cake and bottom base butt joint in the middle of described, described front cover is provided with grid hole header board, described back cover is covered with the air channel of blower fan and support and containing fan leaf, the air channel port is connected mutually with front cover, the surface, air channel is provided with automatically controlled device, be provided with heating in the air channel, described heating is by the metal coil pipe, heating wire in the metal coil pipe and quartz sand inserts constitute, and metal coil pipe two ends are provided with the base that makes it to be fixed in the air channel.
The utility model can also be taked following technical measures:
Described its two side shaft of bottom base that constitutes middle box-shaped body is supported with handle.
Described handle is provided with and makes electric calorifier mount fixing support.
Described front and back cover cap is fixedlyed connected with bottom base with the loam cake that constitutes middle box-shaped body respectively.
Described fan supporter is positioned at the outer surface of back cover cap, and support is provided with grille.
Described back cover is covered with the fan power switch and crosses the line cushion rubber.
The automatically controlled device of described air channel upper surface, its installation site is corresponding with the loam cake that constitutes middle box-shaped body.
Described automatically controlled device is thermal protector and electromagnetic switch; thermal protector is connected in series in the motor current supply circuit of blower fan; the rear end of thermal protector is connected in control coil one end of electromagnetic switch; the electromagnetic switch control coil other end is connected in the external temperature controller, and electromagnetic switch is connected in series in the heating current supply circuit.
The beneficial effects of the utility model and advantage are: the fan airflow of this electric calorifier is only exported from the grid hole header board of front cover by the air channel guiding, help on the one hand making full use of of heating heat in the air channel, can effectively avoid the parts generation hot melt of plastic material on the other hand and damage.The heating of this electric calorifier has the metal tube and the quartz sand inserts of sealing, not only can avoid the very fast oxidation of heating wire, can make full use of also that quartz sand is high temperature resistant, thermal coefficient of expansion is little, the characteristic of high-insulation, the heat endurance of heating wire is significantly improved.In addition, this electric calorifier also is provided with thermal protector, can cut off blower fan and heating power supply automatically when built-in temperature transfinites.The utlity model has low, the outstanding advantage that can operation steady in a long-term of fault rate.
Description of drawings
Accompanying drawing 1 is the example structure schematic diagram.
Accompanying drawing 2 is that Figure 1A is to view.
Accompanying drawing 3 is embodiment housing decomposition texture schematic diagrames.
Accompanying drawing 4 is embodiment heating structural representations.
Accompanying drawing 5 is embodiment electrical schematic diagrams.
Number in the figure: 1 bottom base, 2 front covers, 2-1 grid hole header board, 3 loam cakes, 4 handles, 5 securing members, 6 supports, 7,8 power switches, 9 cross the line cushion rubber, 10 back cover caps, 11 blower fans, 12 fan supporters, 13 grilles, 14 screws, 15 air channels, 16 heatings, the 16-1 base, 17 automatically controlled devices, 18 start electric capacity.
The specific embodiment
Advance an explanation the utility model below in conjunction with drawings and Examples.
Embodiment as shown in Figure 1, 2, 3, constitute the middle box-shaped body of this electric calorifier housing by loam cake 3 and bottom base 1 butt joint, the both ends of the surface of middle box-shaped body are fixed with front cover 2 and back cover cap 10 by screw 14 respectively, and the front and back cover cap is fixedlyed connected with bottom base with the loam cake that constitutes middle box-shaped body respectively.Handle 4 is supported by axle 7 in the both sides of bottom base 1, and handle 4 is connected by securing member 5 makes this electric calorifier mount fixing support 6.The front cover 2 of housing is provided with grid hole header board 2-1, and the outer surface of back cover cap 10 is provided with the blower fan 11 that is supported by fan supporter 12, and fan supporter is provided with grille 13.Back cover cap 10 inboards are provided with the air channel 15 of containing fan leaf, and the air channel port is connected mutually with front cover 2.The upper surface in air channel 15 is provided with automatically controlled device 17, and the installation site of automatically controlled device 17 is corresponding with the loam cake 3 that constitutes middle box-shaped body.The lower surface in air channel 15 is provided with the electric motor starting electric capacity 18 of blower fan.Be provided with heating 16 in the air channel 15, heating 16 is provided with metal coil pipe as shown in Figure 4, is provided with helical form heating wire and quartz sand inserts in the metal coil pipe, and metal coil pipe two ends are provided with and make it be fixed in the base 16-1 of bottom side, air channel.Heating 16 front and back of embodiment are provided with two, and the power of each heating is 1500W.
In addition, back cover cap 10 upper surfaces are provided with power switch 8, and the top of rear side is provided with the line cushion rubber 9 excessively of introducing power line and control line.
As shown in Figure 5; the automatically controlled device of embodiment is to have thermal protector KR and electromagnetic switch K1, the K2 that recovers to touch handle; thermal protector KR and fan power K switch 0 are connected in series in the motor D current supply circuit of blower fan; the rear end of thermal protector KR is connected to control coil one end of electromagnetic switch K1, K2; the control coil other end is connected in the external temperature controller through terminals P 1, P2 respectively, and electromagnetic switch K1, K2 are connected in series in respectively in the current supply circuit of heating R1, R2.Capacitor C is an electric motor starting electric capacity among Fig. 5.
Claims (8)
1, a kind of electric calorifier, by housing, heating wire, blower fan and power switch are formed, it is characterized in that: the front and back cover cap of housing box-shaped body both ends of the surface by middle box-shaped body with in the middle of being individually fixed in is constituted, box-shaped body is made of loam cake and bottom base butt joint in the middle of described, described front cover is provided with grid hole header board, described back cover is covered with the air channel of blower fan and support and containing fan leaf, the air channel port is connected mutually with front cover, the surface, air channel is provided with automatically controlled device, be provided with heating in the air channel, described heating is by the metal coil pipe, heating wire in the metal coil pipe and quartz sand inserts constitute, and metal coil pipe two ends are provided with the base that makes it to be fixed in the air channel.
2, electric calorifier according to claim 1 is characterized in that: described its two side shaft of bottom base that constitutes middle box-shaped body is supported with handle.
3, electric calorifier according to claim 2 is characterized in that: described handle is provided with and makes electric calorifier mount fixing support.
4, electric calorifier according to claim 1 is characterized in that: described front and back cover cap is fixedlyed connected with bottom base with the loam cake that constitutes middle box-shaped body respectively.
5, electric calorifier according to claim 1 is characterized in that: described fan supporter is positioned at the outer surface of back cover cap, and support is provided with grille.
6, electric calorifier according to claim 1 is characterized in that: described back cover is covered with the fan power switch and crosses the line cushion rubber.
7, electric calorifier according to claim 1 is characterized in that: the automatically controlled device of described air channel upper surface, its installation site is corresponding with the loam cake that constitutes middle box-shaped body.
8, according to claim 1 or 7 described electric calorifiers; it is characterized in that: described automatically controlled device is thermal protector and electromagnetic switch; thermal protector is connected in series in the motor current supply circuit of blower fan; the rear end of thermal protector is connected in control coil one end of electromagnetic switch; the electromagnetic switch control coil other end is connected in the external temperature controller, and electromagnetic switch is connected in series in the heating current supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201417356U CN201281404Y (en) | 2008-08-26 | 2008-08-26 | Electric heating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201417356U CN201281404Y (en) | 2008-08-26 | 2008-08-26 | Electric heating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281404Y true CN201281404Y (en) | 2009-07-29 |
Family
ID=40928278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201417356U Expired - Fee Related CN201281404Y (en) | 2008-08-26 | 2008-08-26 | Electric heating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281404Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864456A (en) * | 2015-06-11 | 2015-08-26 | 闵畅 | Heating device |
| CN107894096A (en) * | 2017-12-14 | 2018-04-10 | 珠海格力电器股份有限公司 | Heating device |
-
2008
- 2008-08-26 CN CNU2008201417356U patent/CN201281404Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864456A (en) * | 2015-06-11 | 2015-08-26 | 闵畅 | Heating device |
| CN107894096A (en) * | 2017-12-14 | 2018-04-10 | 珠海格力电器股份有限公司 | Heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110880702A (en) | Novel anti-leakage switch cabinet | |
| CN201281404Y (en) | Electric heating fan | |
| CN105045313A (en) | Ventilation and dehumidification type switch cabinet | |
| CN207165981U (en) | A kind of good low-tension switch cabinet of heat dispersion | |
| CN104729111A (en) | Novel portable movable solar energy heat accumulation type air heating radiator | |
| CN208623132U (en) | A kind of high-voltage switch gear control cabinet with radiating dustproof | |
| CN204205350U (en) | Intelligent switch cabinet moisture separating device | |
| CN204494850U (en) | Novel portable moves solar energy heat-storage formula hot-air heater | |
| CN203260922U (en) | High/middle-voltage switch cabinet with intelligent temperature control device | |
| CN201932172U (en) | Hot air heater for heating in locomotive cab | |
| CN206533066U (en) | A kind of Intelligent ring network switch controller | |
| CN104834338A (en) | Switch cabinet with functions of ventilation and dehumidification | |
| CN203240637U (en) | Turbo-charging warmer | |
| CN102338464A (en) | Electric heating fan | |
| CN204574143U (en) | A kind of electricity pottery stove of good heat dissipation effect | |
| CN202095738U (en) | Hair dryer provided with anion generator | |
| CN2856833Y (en) | Electrical heater of indoor machine of air conditioner | |
| CN202303632U (en) | Solar energy, alternate current and storage battery three-purpose auxiliary fan heater of electric fan | |
| CN2148842Y (en) | Two-purpose cooling and warming fan with easily-separable electric heater | |
| CN208806522U (en) | A kind of lighting distribution box with heat sinking function | |
| CN203823868U (en) | Safety dustproof electric warmer | |
| CN213660555U (en) | Detachable combined battery | |
| CN208567112U (en) | A kind of Domestic warm-air machine that controller is external | |
| CN208264254U (en) | A kind of Medical foot-warming apparatus and its circuit used for city rail vehicle drivers' cab | |
| CN201063526Y (en) | Large-power high-voltage frequency conversion commutator |
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: 20090729 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |