CN206739625U - A kind of electromagnetic air heater - Google Patents
A kind of electromagnetic air heater Download PDFInfo
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- CN206739625U CN206739625U CN201720271577.5U CN201720271577U CN206739625U CN 206739625 U CN206739625 U CN 206739625U CN 201720271577 U CN201720271577 U CN 201720271577U CN 206739625 U CN206739625 U CN 206739625U
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Abstract
The utility model discloses a kind of electromagnetic air heater, belong to fluid heating art, including the housing with air inlet and air outlet, enclosure interior is provided with some electromagnetic heaters, electromagnetic heater includes metal tube and the coil being wound on outside metal tube, one section of coiling of metal tube is spiral shape, the outer ring for being coiled into spiral metal tube is provided with coil, metal tube is also connected with circulating pump and heat exchanger, heat exchanger is arranged at air outlet, the utility model improves the heat exchange efficiency of existing electromagnetic air heater, and with more stable, accurately air temperature modification measure.
Description
Technical field
Fluid heating art is the utility model is related to, especially a kind of electromagnetic air heater, for being carried out to air
Heating.
Background technology
In the prior art, electromagnetic air heating unit is generally divided into two kinds of dry type and wet type.The operation principle of dry type unit
It is directly to be flowed through using pipeline, air made of magnet coil heating metal from pipeline, heat is straight from the surface of metal tubes
Conduction is connect into air, realizes the heating to air.Such dry type Electromagnetic Heating unit is due to being to utilize high-temperature metal and air
The mode directly to be exchanged heat, exposes problems in actual use：It is the metal surface temperature by Electromagnetic Heating first
Degree is general very high, and is limited to the abundant contact of air and metal difficult to realize by equipment volume, and the flow velocity of air is again difficult
With control, therefore, it is difficult to timely take away the heat of metal surface, cause heat exchange efficiency low, exist in actual use tight
The thermal waste situation of weight；Secondly as metal surface is in higher temperature after heating, in order to realize that air themperature is adjustable
Function, achieved the goal mostly using the inlet and sendout of control air, and use live operating mode usual demand one
The air of kind of flow speed stability, therefore such dry type unit is difficult to the temperature adjustment function of accurately realizing air.
In order to overcome dry air to heat unit problems existing in actual use, the electromagnetic air heating of wet type
Unit arises at the historic moment.In the prior art, the operation principle of wet type electromagnetic air heating unit is to utilize magnet coil heating metal
Pipe, the interior circulation of metal tube have the heat storage medium of liquid, such as oil, water etc., utilize the spy of liquid heat-conducting medium high specific heat capacity
Property the heat in metal tube is stored, then liquid heat-conducting medium recycle finned heat exchanger transfer heat to air
In.Characteristic of the electromagnetic air heating unit of such wet type due to make use of liquid heat-conducting medium high specific heat capacity, will can be heated
The heat on metallic conduit surface afterwards realizes transfer well, has very big improvement relative to dry type set heat exchange efficiency, and
And the flow velocity by adjusting liquid heat-conducting medium can adjust air themperature indirectly.
But to equally exist heat exchange efficiency in actual use inadequate for wet type electromagnetic air of the prior art heating unit
The problem of high.The metallic conduit of such wet type unit is designed as straight tube mostly, in straight tube peripheral tray around magnet coil, now generates heat
Amount highest is the surface of metallic conduit, when liquid heat-conducting medium flows through out of metallic conduit, only presses close to a part for pipeline
Liquid heat-conducting medium can absorb the heat of abundance, and the liquid heat-conducting medium of inner core part can not timely absorb heat.So
One, the heat exchange efficiency between liquid heat-conducting medium and metallic conduit will be influenceed.
On the other hand, in the prior art, the metallic conduit outer wall of such wet type unit is directly exposed in air mostly, with
Only has a layer insulating between magnet coil.Although the contact area of metallic conduit and air can be increased by so doing, pipe is improved
Heat exchange amount between road and air, but found after actual experiment, this way can cause heat to be dispersed into sky in advance
In gas, this partial heat can improve the running temperature of equipment, be unfavorable for the safety of equipment, while also result in unnecessary heat energy wave
Take.
Utility model content
The utility model technical issues that need to address are to provide a kind of higher electromagnetic air heater of heat exchange efficiency.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of electromagnetic air heater, including the housing with air inlet and air outlet, enclosure interior is provided with some
Electromagnetic heater, electromagnetic heater include the coil of metal tube and heating metal pipe, and one section of coiling of metal tube is spiral shape, disk
The outer ring of the metal tube of spirally-wound is provided with coil, and metal tube is also connected with circulating pump and heat exchanger, and heat exchanger is arranged on
At air outlet.
Technical solutions of the utility model further improvement is that：Circulation has liquid heat-conducting medium in metal tube.
Technical solutions of the utility model further improvement is that：Insulated thermal insulating layer is provided between metal tube and coil.
Technical solutions of the utility model further improvement is that：Coil the inside spiral setting for spiral metal tube
There is heat-insulation layer.
Technical solutions of the utility model further improvement is that：Coil outer sheath is equipped with protection pipe.
Technical solutions of the utility model further improvement is that：Air inlet is provided with medium effeciency filter and blower fan.
Technical solutions of the utility model further improvement is that：Enclosure interior is provided with some sensors, sensor with
PLC electrically connects, and PLC electrically connects with coil and blower fan.
By adopting the above-described technical solution, the technological progress that the utility model obtains is：
The utility model is coiled into spiral metal tube by setting, and improves connecing for liquid heat-conducting medium and metal tube
The rate of touching, the heat exchange efficiency of electromagnetic air heating unit is greatly improved, avoids unnecessary thermal waste.Meanwhile spiral
The metal tube of formula can make the flowing of the liquid heat-conducting medium in pipe more stable, the flow velocity of conveniently regulating and controlling liquid heat-conducting medium,
Good prerequisite is provided for further regulation and control air themperature, therefore the utility model is relative to conventional art, to sky
It is more stable, accurate that gas carries out temperature adjustment aspect.
One layer of insulated thermal insulating layer is set among metal tube and coil of the present utility model, insulation is provided with the inside of metal tube
Layer, this measure one can avoid metal tube from being electrically connected with coil and then trigger the adverse consequences such as naked light, short circuit, improve equipment
The security of operation；Two can avoid the heat in metal tube from occurring to scatter and disappear during liquid heat-conducting medium flows, and make
The completion heat exchange on heat exchangers that heat is more concentrated, heat exchange efficiency is improved, improve accuracy during regulation air themperature.
The utility model is also set with protection pipe in the outside of coil, and this measure can protect coil, avoid coil and air
In moisture, dust be in contact, improve security when service life and the use of equipment.
The utility model is provided with medium effeciency filter in air inlet, can realize the filtering of air, on the one hand ensure that
The cleaning of device interior environment, this equipment is on the other hand set to have the effect of output fresh air concurrently.
The utility model is provided with some sensors and PLC in enclosure interior, and PLC can control circulating pump simultaneously
And blower fan；By controlling circulating pump to adjust the flow velocity of liquid heat-conducting medium in metal tube, realize indirectly to air themperature
Adjustment, be that equipment can adapt to more occasions by controlling blower fan to adjust air intake and going out wind velocity.
Brief description of the drawings
Fig. 1 is the utility model main view direction schematic diagram；
Fig. 2 is the utility model overlook direction schematic diagram；
Fig. 3 is the utility model Electromagnetic Heating partial sectional view；
Wherein, 1, air inlet, 2, medium effeciency filter, 3, housing, 4, blower fan, 5, electromagnetic heater, 51, metal tube, 52, absolutely
Edge thermal insulation layer, 53, coil, 54, protection pipe, 7, circulating pump, 8, heat exchanger, 9, air outlet.
Embodiment
The utility model is described in further details with reference to embodiment：
As shown in Figure 1 to Figure 3, the utility model is that a kind of heat exchange efficiency is higher, and temperature adjustment is more stable, accurately electric
Magnetic air heating apparatus.The utility model mainly includes a cube shaped housing 3, and one end of housing 3 is air inlet 1, another
Hold as air outlet 9.Air inlet grid is fitted with outside air inlet 1 and air outlet 9, prevents the larger object of volume from entering in equipment
Portion.Medium effeciency filter 2 and blower fan 4 are additionally provided with air inlet 1.Medium air filtration plays secondary filter effect to air, by small
Grain and micronic dust are blocked in outside equipment, ensure device interior cleaning, while enabling a device to have concurrently the effect of output fresh air.Drum
Blower fan 4 provides power for the circulation of air.
Two rows, 5,10 electromagnetic heaters 5 of totally 10 structure identical electromagnetic heaters are installed in the inner vertical of housing 3
Between be in parallel.Each electromagnetic heater 5 includes the coil 53 of heating metal pipe, and coil 53 is internally provided with metal tube
51, generally, coil 53 is coiled into the spiral shape of spring-like, and the metal tube 51 in coil 53 is coiled into similar bullet in advance
The spiral shape of spring, coil 53 are enclosed on the outside of spirality metal pipe 51, one are also cased between coil 53 and spirality metal pipe 51
Layer insulated thermal insulating layer 52.The one side of insulated thermal insulating layer 52 can guarantee that heat is concentrated in metal tube 51, avoid being situated between in liquid heat conductive
Matter is lost in during circulating, and on the other hand can completely cut off burst at the seams circle 53 and metal tube 51, enable the work of Electromagnetic Heating
It is normally carried out, the dangerous situations such as sparking, short circuit occurs after avoiding coil 53 and the contact of metal tube 51.Also it is set with outside coil 53
One diameter is more than the protection pipe 54 of the diameter of coil 53, and dust-proof, moistureproof effect can be played to coil 53, extends Electromagnetic Heating
The service life of device 5.
It is not lost in also for the heat in guarantee metal tube 51, is also set in the inner side of spiral metal tube 51
It is equipped with one layer of heat preservation layer.
Above-mentioned 10 electromagnetic heaters 5 then gone here and there after parallel connection with a circulating pump 7 and a radiator
Connection, in metal tube 51 circulation have a liquid heat-conducting medium, liquid heat-conducting medium can make conduction oil, low temperature lava, anti-icing fluid or
The liquid that the specific heat capacities such as water are higher, boiling point is higher.Liquid heat-conducting medium adds under the drive of circulating pump 7 in heat exchanger 8 to electromagnetism
Circulated between hot device 5, heat is taken on heat exchanger 8 out of electromagnetic heater 5 and then is dispersed into air, is realized to air
Heating.
Housing 3 of the present utility model is internally provided with some sensors, and sensor electrically connects with PLC, PLC controls
Device electrically connects with coil 53 and blower fan 4, and sensor is in real time to PLC internal feedback temperature information, and PLC is according in advance
The air target temperature that sets, go out the parameters such as wind velocity, working hour, it is real-time to being carried out to the power of blower fan 4 and coil 53
Regulation, realize the automatic operating of equipment.
Claims (7)
1. a kind of electromagnetic air heater, including with air inlet（1）And air outlet（9）Housing（3）, housing（3）It is internal
It is provided with some electromagnetic heaters（5）, electromagnetic heater（5）Including metal tube（51）And heating metal pipe（51）Coil
（53）, it is characterised in that：Metal tube（51）One section of coiling be spiral shape, be coiled into spiral metal tube（51）Outer ring set
It is equipped with coil（53）, metal tube（51）Also with circulating pump（7）And heat exchanger（8）Series connection, heat exchanger（8）It is arranged on air outlet（9）
Place.
A kind of 2. electromagnetic air heater according to claim 1, it is characterised in that：Metal tube（51）Interior circulation has liquid
State heat-conducting medium.
A kind of 3. electromagnetic air heater according to claim 1, it is characterised in that：Metal tube（51）With coil（53）
Between be provided with insulated thermal insulating layer（52）.
A kind of 4. electromagnetic air heater according to claim 1, it is characterised in that：Coil as spiral metal tube
（51）Inside spiral be provided with heat-insulation layer.
A kind of 5. electromagnetic air heater according to Claims 1-4 any one, it is characterised in that：Coil（53）
Outer sheath is equipped with protection pipe（54）.
A kind of 6. electromagnetic air heater according to claim 5, it is characterised in that：Air inlet（1）During place is provided with
Imitate filter（2）And blower fan（4）.
A kind of 7. electromagnetic air heater according to claim 6, it is characterised in that：Housing（3）If it is internally provided with
Dry sensor, sensor electrically connect with PLC, PLC and coil（53）And blower fan（4）Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271577.5U CN206739625U (en) | 2017-03-20 | 2017-03-20 | A kind of electromagnetic air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271577.5U CN206739625U (en) | 2017-03-20 | 2017-03-20 | A kind of electromagnetic air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206739625U true CN206739625U (en) | 2017-12-12 |
Family
ID=60556808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271577.5U Active CN206739625U (en) | 2017-03-20 | 2017-03-20 | A kind of electromagnetic air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206739625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800412A (en) * | 2018-06-29 | 2018-11-13 | 池州市浮子信息技术服务有限公司 | A kind of Domestic hanging heating new wind turbine of refrigerating integrated formula |
| CN109645541A (en) * | 2018-12-24 | 2019-04-19 | 红塔烟草(集团)有限责任公司 | A kind of barn electromagnetism heating system |
-
2017
- 2017-03-20 CN CN201720271577.5U patent/CN206739625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800412A (en) * | 2018-06-29 | 2018-11-13 | 池州市浮子信息技术服务有限公司 | A kind of Domestic hanging heating new wind turbine of refrigerating integrated formula |
| CN109645541A (en) * | 2018-12-24 | 2019-04-19 | 红塔烟草(集团)有限责任公司 | A kind of barn electromagnetism heating system |
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