CN207531113U - A kind of duct type electric heating device - Google Patents
A kind of duct type electric heating device Download PDFInfo
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- CN207531113U CN207531113U CN201721669783.8U CN201721669783U CN207531113U CN 207531113 U CN207531113 U CN 207531113U CN 201721669783 U CN201721669783 U CN 201721669783U CN 207531113 U CN207531113 U CN 207531113U
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- frequency
- heating device
- duct type
- type electric
- electric heating
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Abstract
A kind of duct type electric heating device of the utility model, duct type electric heating device includes fluid channel, frequency-changing electric heater, frequency converter, frequency-changing electric heater is arranged in fluid channel, frequency converter is arranged on outside fluid channel, and frequency converter is electrically connected by insulated conductor across fluid channel with frequency-changing electric heater.Frequency-changing electric heater includes metallic heating body, frequency conversion loop, insulating layer, and frequency conversion loop is matched by insulating layer with metallic heating body.The utility model makes frequency conversion electric current generate eddy current in metallic heating body and generates heat by setting metallic heating body, frequency conversion loop.So as to solve the problems, such as that heat transmits bad and easy fusing in electric-heating-wire-heating in the prior art.
Description
Technical field
The utility model is related to heating arts, and in particular to a kind of duct type electric heating device.
Background technology
In order to economize on resources, improve environment protecting, effective use of energy sources, solar water heater has obtained pushing greatly at present
Extensively.Since solar water heater is affected by weather, in the case where sunshine is insufficient or dosage is larger, it is often necessary to take auxiliary
Help heating, generally use electricity auxiliary heating.
When traditional electrically heated, as shown in Figure 1, usually being heated using U-shaped heating rod A1.As shown in Fig. 2,
U-shaped heating rod is made of outer layer metal heat-conducting layer A2, internal heating wire A3, fill insulant A4.This structure is in heating
When, it is often necessary to very high temperature will be increased to inside heating rod, be then transferred heat to by high-temperature insulation material outer
Layer metal heat-conducting layer, usual high-temperature insulation material thermal conductivity is not high, and internal heating wire is caused to be melted in pyroprocess
Disconnected phenomenon reduces the service life of heating rod.Bad and easy fusing is transmitted to solve heat in electric-heating-wire-heating in the prior art
The problem of.Therefore, the prior art need to be improved.
Utility model content
The utility model provides a kind of duct type electric heating device, to solve in electric-heating-wire-heating in the prior art
Heat transmits the problem of bad and easy fusing.
To achieve the above object, the technical solution adopted in the utility model is:
A kind of duct type electric heating device, the duct type electric heating device include fluid channel, frequency-conversion electrical heating
Device, frequency converter, the frequency-changing electric heater are arranged in the fluid channel, and the frequency converter is arranged on the fluid channel
Outside, the frequency converter is electrically connected by insulated conductor across the fluid channel with the frequency-changing electric heater;
The frequency-changing electric heater includes metallic heating body, frequency conversion loop, insulating layer, and the frequency conversion loop passes through institute
Insulating layer is stated to match with the metallic heating body.
Further improve is that the metallic heating body is tubular metal heater.
Further improve is that the frequency conversion loop is arranged on the tubular metal heater by the insulating layer
Outer ring.
Further improve is that the tubular metal heater is internally provided with the inside heat transfer sheet of axis.
Further improve is that the frequency conversion loop is arranged on the tubular metal heater by the insulating layer
Inner ring.
Further improve is, the outside heat transfer sheet of axis is equipped with outside the tubular metal heater.
Further improve is, magnetizer is equipped in the frequency conversion loop.
Further improve be, the metallic heating body is drum metallic heating body, the drum metallic heating body packet
A central shaft is included, the central shaft both ends are equipped with thermally conductive sheet;
The thermally conductive sheet is equipped with dispersing type heat conduction item;
The frequency conversion loop is arranged on by the insulating layer on the central shaft.
Further improve is that the center axis center is equipped with heating channel, and heat transfer sheet is equipped in the heating channel.
Further improve is that the fluid channel includes a fixed -piping, and the fixed -piping is externally provided with thermal insulation layer;
The fixed -piping is matched with the metallic heating body.
In terms of existing technologies, the utility model makes frequency conversion electric current by setting metallic heating body, frequency conversion loop
Eddy current is generated in metallic heating body and generates heat.It is bad so as to solve heat transmission in electric-heating-wire-heating in the prior art
And the problem of easily fusing.
Description of the drawings
Fig. 1 is the structure diagram of prior art heating rod;
Fig. 2 is the decomposition diagram of prior art heating rod;
Fig. 3 is a kind of structure diagram of duct type electric heating device of the utility model;
Fig. 4 for a kind of frequency-changing electric heater of duct type electric heating device of the utility model, show by the first mode configuration
It is intended to;
Fig. 5 is that a kind of second of mode configuration of frequency-changing electric heater of duct type electric heating device of the utility model is shown
It is intended to;
Fig. 6 for a kind of frequency-changing electric heater of duct type electric heating device of the utility model, show by the third mode configuration
It is intended to.
Specific embodiment
In order to which technological means, creation feature, reached purpose and effect for realizing utility model are easy to understand, below
With reference to attached drawing, the utility model is expanded on further.
A kind of duct type electric heating device of the offer of the utility model, as shown in figure 3, duct type electric heating device
Including fluid channel 1, frequency-changing electric heater 2, frequency converter 3, frequency-changing electric heater 2 is arranged in fluid channel 1, and frequency converter 3 is set
It puts outside fluid channel 1, frequency converter 3 is electrically connected by insulated conductor across fluid channel 1 with frequency-changing electric heater 2.Fluid leads to
Road 1 includes a fixed -piping 4, and fixed -piping 4 is externally provided with thermal insulation layer 5.
Frequency-changing electric heater 2 includes metallic heating body 6, frequency conversion loop 7, insulating layer 8, and frequency conversion loop 7 passes through insulation
Layer 8 is matched with metallic heating body 6.Fixed -piping 4 is matched with metallic heating body 6.
As shown in figure 4, frequency-changing electric heater 2 can be arranged to the first pattern:Metallic heating body 6 generates heat for tubular metal
Body 11.Frequency conversion loop 7 is arranged on 11 outer ring of tubular metal heater by insulating layer 8.It is set inside tubular metal heater 11
There is the inside heat transfer sheet 12 of axis.Tubular metal heater 11 is connected by stent with fixed -piping 4.It is sent out in this way by tubular metal
Carried out inside hot body 11 to by fluid heat.
As shown in figure 5, frequency-changing electric heater 2 can be arranged to second of pattern:
Metallic heating body 6 is tubular metal heater 11.Frequency conversion loop 7 is arranged on tubular metal by insulating layer 8 and sends out
Hot 11 inner ring of body.11 outside of tubular metal heater is equipped with the outside heat transfer sheet 13 of axis.Magnetizer 14 is equipped in frequency conversion loop 7.
Tubular metal heater 11 is connected by stent with fixed -piping 4.In this way by 11 outside of tubular metal heater and fix
Between pipeline 4 formed to by fluid carry out heating channel, and heated.
As shown in fig. 6, frequency-changing electric heater 2 can be arranged to the third pattern:
Metallic heating body 6 is drum metallic heating body 21, and drum metallic heating body 21 includes a central shaft 22, central shaft 22
Both ends are equipped with thermally conductive sheet 23.Thermally conductive sheet 23 is equipped with dispersing type heat conduction item 24.During frequency conversion loop 7 is arranged on by insulating layer 8
In mandrel 22.22 center of central shaft is equipped with heating channel, and heat transfer sheet 25 is equipped in heating channel.Dispersing type heat conduction item 24 is with fixing
Pipeline 4 is connected to reach fixed function.
In this way by carried out inside drum metallic heating body 21 to by fluid heat;And drum metal fever
Formed between the outside of body 21 and fixed -piping 4 to by fluid carry out heating channel, and heated.The utility model has
Beneficial effect is:By setting metallic heating body, frequency conversion loop, frequency conversion electric current is made to generate eddy current production in metallic heating body
Heat amount.So as to solve the problems, such as that heat transmits bad and easy fusing in electric-heating-wire-heating in the prior art.
The specific embodiment of utility model is described above.It is to be appreciated that utility model is not limited to
Above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as being given with the common mode in this field
To implement;Those skilled in the art can make various deformations or amendments and make within the scope of the claims several simply to push away
It drills, deform or replaces, this has no effect on the substantive content of utility model.
Claims (10)
1. a kind of duct type electric heating device, it is characterised in that:The duct type electric heating device includes fluid channel, becomes
Frequency electric heater, frequency converter, the frequency-changing electric heater are arranged in the fluid channel, and the frequency converter is arranged on the stream
Outside body channel, the frequency converter is electrically connected by insulated conductor across the fluid channel with the frequency-changing electric heater;
The frequency-changing electric heater includes metallic heating body, frequency conversion loop, insulating layer, and the frequency conversion loop passes through described exhausted
Edge layer is matched with the metallic heating body.
2. a kind of duct type electric heating device as described in claim 1, it is characterised in that:The metallic heating body is tubulose
Metallic heating body.
3. a kind of duct type electric heating device as claimed in claim 2, it is characterised in that:The frequency conversion loop passes through institute
It states insulating layer and is arranged on the tubular metal heater outer ring.
4. a kind of duct type electric heating device as claimed in claim 3, it is characterised in that:In the tubular metal heater
Portion is equipped with the inside heat transfer sheet of axis.
5. a kind of duct type electric heating device as claimed in claim 2, it is characterised in that:The frequency conversion loop passes through institute
It states insulating layer and is arranged on the tubular metal heater inner ring.
6. a kind of duct type electric heating device as claimed in claim 5, it is characterised in that:Outside the tubular metal heater
Portion is equipped with the outside heat transfer sheet of axis.
7. a kind of duct type electric heating device as claimed in claim 5, it is characterised in that:It is equipped in the frequency conversion loop
Magnetizer.
8. a kind of duct type electric heating device as described in claim 1, it is characterised in that:The metallic heating body is drum
Metallic heating body, the drum metallic heating body include a central shaft, and the central shaft both ends are equipped with thermally conductive sheet;
The thermally conductive sheet is equipped with dispersing type heat conduction item;
The frequency conversion loop is arranged on by the insulating layer on the central shaft.
9. a kind of duct type electric heating device as claimed in claim 8, it is characterised in that:The center axis center, which is equipped with, to be added
The passage of heat, the heating channel is interior to be equipped with heat transfer sheet.
10. a kind of duct type electric heating device as described in claim 1, it is characterised in that:The fluid channel includes one
Fixed -piping, the fixed -piping are externally provided with thermal insulation layer;The fixed -piping is matched with the metallic heating body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721669783.8U CN207531113U (en) | 2017-12-05 | 2017-12-05 | A kind of duct type electric heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721669783.8U CN207531113U (en) | 2017-12-05 | 2017-12-05 | A kind of duct type electric heating device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207531113U true CN207531113U (en) | 2018-06-22 |
Family
ID=62577967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721669783.8U Active CN207531113U (en) | 2017-12-05 | 2017-12-05 | A kind of duct type electric heating device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207531113U (en) |
-
2017
- 2017-12-05 CN CN201721669783.8U patent/CN207531113U/en active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 201612 room 702-1, No. 668, Xinzhuan Road, Songjiang high tech park, Caohejing Development Zone, Songjiang District, Shanghai Patentee after: Shanghai Hualiang New Energy Technology Co., Ltd Address before: 201612 room 702-1, No. 668, Xinzhuan Road, Songjiang high tech park, Caohejing Development Zone, Songjiang District, Shanghai Patentee before: SHANGHAI HUAJING SOLAR TECHNOLOGY Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |