CN201328201Y - Intermediate frequency electromagnetic multisection heating equipment - Google Patents
Intermediate frequency electromagnetic multisection heating equipment Download PDFInfo
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- CN201328201Y CN201328201Y CNU2008202050626U CN200820205062U CN201328201Y CN 201328201 Y CN201328201 Y CN 201328201Y CN U2008202050626 U CNU2008202050626 U CN U2008202050626U CN 200820205062 U CN200820205062 U CN 200820205062U CN 201328201 Y CN201328201 Y CN 201328201Y
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Abstract
The utility model relates to the technical field of heat equipment, in particular to intermediate frequency electromagnetic multisection heating equipment, comprising a controller and a magnetic conductive pipeline; one end of the magnetic pipeline is provided with a feed inlet and the other end thereof is provided with a discharge outlet; the periphery of the magnetic conductive pipeline is wound with a plurality of sections of heating wires which are connected with the output end of the controller; when heating work pieces, the controller can preset the heating temperature of corresponding parts of each section of heating wire wound on the magnetic conductive pipeline so as to lead each section of heating wire to work in turn according to the preset temperature and carry out sectional heating to the working pieces; therefore, the intermediate frequency electromagnetic multisection heating equipment can carry out sectional heating to the work pieces in the same magnetic conductive pipeline.
Description
Technical field:
The utility model relates to the firing equipment technical field, relates in particular to a kind of intermediate frequency electromagnetism multistage firing equipment.
Background technology:
At present, be applied in the firing equipment resistance-type firing equipment normally in the industrial circle, it is to be wound with resistance wire outside the heating pipeline, energising, heating by resistance wire, its heat transferred makes the heating of heating pipeline to the heating pipeline, thereby will generate heat ducted work package heating.This kind mode of heating, because resistance wire and heating pipeline all generate heat, more heat dissipation is in air, it is lower that electric energy is converted to heat energy conversion efficient, comparatively power consumption.
For saves energy, the producer that has has designed the firing equipment that adopts electromagnetic heating technique to heat, as China Patent No. is the intermediate frequency electromagnetic induction heating device of 200720006476.1 disclosed use microcomputers, it comprises heating furnace and the intelligent single-chip microcomputer that is connected with heating furnace, intermediate frequency electromagnetism heat induced circuit and switching circuit, barrel periphery at heating furnace is enclosed with thermal insulation layer, the galvanic couple transducer is housed on thermal insulation layer, the galvanic couple transducer links to each other with intelligent single-chip microcomputer, outside thermal insulation layer, twine heating wires, heating wires by control circuit link to each other with intermediate frequency electromagnetism heat induced circuit form, when heating wires is switched on, make the barrel self-heating by electromagnetic induction principle, the work package in the barrel is heated.This electromagnetic heating apparatus, because heating wires itself is not generated heat, so it is less to be lost to airborne heat, it is higher that electric energy is converted to heat energy conversion efficient, with respect to traditional resistance-type firing equipment, its power consumption is less.But the barrel periphery of existing electromagnetic heating apparatus all is only to twine one section heating wires, makes the barrel adstante febre, and the temperature of whole barrel is identical, can not the segmentation heating or regulate temperature, brought inconvenience to production.
The utility model content:
The purpose of this utility model is exactly the deficiency that exists at prior art and a kind of intermediate frequency electromagnetism multistage firing equipment that can the segmentation heating is provided.
To achieve these goals, the technical solution adopted in the utility model is:
It comprises controller, magnetic conduction pipeline, and an end of magnetic conduction pipeline is provided with charging aperture, and the other end is provided with discharging opening, and the periphery of described magnetic conduction pipeline is wound with plural number section heating wires, and plural number section heating wires is connected the output of controller.
Described controller comprises the power subsystem that is used to connect external power source, frequency changer circuit, AGC (automatic gain control) circuit, the heating in medium frequency power amplification circuit, the multichannel output control circuit, described frequency changer circuit is connected with agc circuit, the output of power subsystem respectively with the input of frequency changer circuit, the input of agc circuit connects, the output of frequency changer circuit is connected with the input of heating in medium frequency power amplification circuit, the output of heating in medium frequency power amplification circuit respectively with the input of multichannel output control circuit, the input of agc circuit connects, and the output of multichannel output control circuit is connected with plural number section heating wires.
Described power subsystem is made up of rectified three-phase circuit, switching power circuit, the input of rectified three-phase circuit is connected with external power source, the output of rectified three-phase circuit is connected with the input of switching power circuit, and the output of switching power circuit is connected with the input of frequency changer circuit, the input of agc circuit respectively.
On the described magnetic conduction pipeline temperature sensor is installed.
Described temperature sensor is a thermocouple.
Described magnetic conduction pipeline is the straight barrel type pipeline.
The utility model beneficial effect is:
A kind of intermediate frequency electromagnetism multistage firing equipment that the utility model provides comprises controller, magnetic conduction pipeline, one end of magnetic conduction pipeline is provided with charging aperture, the other end is provided with discharging opening, the periphery of described magnetic conduction pipeline is wound with plural number section heating wires, plural number section heating wires is connected the output of controller, when needs heater workpiece, controller can preestablish the heating temp that every section heating wires is wrapped in corresponding position on the magnetic conduction pipeline, every section heating wires is taken turns to operate according to predefined temperature, work package is carried out the segmentation heating.Therefore, the utility model can carry out the segmentation heating to work package in same magnetic conduction pipeline.
Description of drawings:
Fig. 1 is a structure principle chart of the present utility model
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, please refer to Fig. 1, a kind of intermediate frequency electromagnetism multistage firing equipment that the utility model provides, it comprise the controller 1 that is used to control plural number section heating wires 3, by permeability magnetic material make can magnetic conduction magnetic conduction pipeline 2, one end of magnetic conduction pipeline 2 is provided with charging aperture 21, the other end is provided with discharging opening 22, and the work package that need heat can be put into from charging aperture 21, discharging opening 22 outputs; Described magnetic conduction pipeline 2 is the straight barrel type pipeline, so that work package moves in magnetic conduction pipeline 2, the periphery of described magnetic conduction pipeline 2 is wound with plural number section heating wires 3, plural number section heating wires 3 is connected the output of controller 1, more particularly, described heating wires 3 is 5 sections, be respectively L1, L2, L3, L4, L5, corresponding with the controller 1 respectively output in the two ends of these heating wires 3 connects, and forms the closed-loop path, when making heating wires 3 energisings, can produce intermediate frequency magnetic field,, make the inwall of magnetic conduction pipeline 2 produce magnetic field by electromagnetic induction principle, and the molecular motion of the inner surface of magnetic conduction pipeline 2 and generating heat, thereby work package is heated.Certainly, described heating wires 3 can also be other quantity, is not limited to 5 sections of present embodiment.
The utility model is when the heater workpiece, controller 1 can be according to the needs of work package heating-up temperature, preestablish the heating temp that every section heating wires 3 is wrapped in corresponding position on the magnetic conduction pipeline 2, every section heating wires 3 is taken turns to operate respectively according to predefined temperature, work package is carried out the segmentation heating, for example: be positioned at the L1 place, the heating-up temperature that magnetic conduction pipeline 2 work package inside needs is 100 degree, be positioned at the L2 place, the heating-up temperature that magnetic conduction pipeline 2 work package inside needs is 150 degree, be positioned at the L3 place, the heating-up temperature that magnetic conduction pipeline 2 work package inside needs is 200 degree, be positioned at the L4 place, the heating-up temperature that magnetic conduction pipeline 2 work package inside needs is 250 degree, be positioned at the L5 place, the heating-up temperature that magnetic conduction pipeline 2 work package inside needs is 300 degree, then controller 1 can make L1 work earlier, L2, L3, L4, L5 does not work, wait to be positioned at the L1 place, magnetic conduction pipeline 2 work package inside is heated to 100 degree, and the heating finish after, controller 1 can make L1 quit work, L2 starts working, L3, L4, L5 does not work, wait to be positioned at the L2 place, magnetic conduction pipeline 2 work package inside is heated to 150 degree, and heating finishes; And the like, allow L3, L4, L5 successively work, make be positioned at L3, L4, L5 place, magnetic conduction pipeline 2 work package inside is heated to the temperature that needs, and heating finishes; Thereby be implemented in the same magnetic conduction pipeline work package is carried out the segmentation heating,, enhance productivity to make things convenient for the heating of work package.
The controller 1 of present embodiment comprises the power subsystem 11 that is used to connect external power source, frequency changer circuit 12, agc circuit 13, heating in medium frequency power amplification circuit 14, multichannel output control circuit 15, described frequency changer circuit 12 is connected with agc circuit 13, agc circuit 13 provides integral compensation for frequency changer circuit 12, output signal with control of conversion circuit 12, the output of power subsystem 11 respectively with the input of frequency changer circuit 12, the input of agc circuit 13 connects, the output of frequency changer circuit 12 is connected with the input of heating in medium frequency power amplification circuit 14, the output of heating in medium frequency power amplification circuit 14 respectively with the input of multichannel output control circuit 15, the input of agc circuit 13 connects, and the output of multichannel output control circuit 15 is connected with plural number section heating wires 3.In the present embodiment, described power subsystem 11 is made up of rectified three-phase circuit 111, switching power circuit 112, the input of rectified three-phase circuit 111 is connected with external power source, the output of rectified three-phase circuit 111 is connected with the input of switching power circuit 112, and the output of switching power circuit 112 is connected with the input of frequency changer circuit 12, the input of agc circuit 13 respectively.
The operation principle of described controller 1 is: when the input of rectified three-phase circuit 111 is connected three-phase alternating current, rectified three-phase circuit 111 can be a direct current with the three-phase alternating current electric rectification, and be input in the switching power circuit 112, through after the processing of switching power circuit 112, the alternating current of the multiple different voltages of switching power circuit 112 outputs, and be input in frequency changer circuit 12 and the agc circuit 13, again by the suitable intermediate-freuqncy signal of frequency changer circuit 12 outputs, and be input in the heating in medium frequency power amplification circuit 14, after the power amplification of intermediate-freuqncy signal through heating in medium frequency power amplification circuit 14, input to multichannel output control circuit 15, drive heating wires 3 by multichannel output control circuit 15 and produce magnetic field, simultaneously, heating in medium frequency power amplification circuit 14 can be given agc circuit 13 by output feedback signal, exports suitable intermediate-freuqncy signal by agc circuit 13 according to feedback signal control of conversion circuit 12.
On the magnetic conduction pipeline 2 of present embodiment temperature sensor 23 is installed, more particularly, described temperature sensor 23 is a thermocouple, temperature sensor 23 is electrically connected with controller 1, the utility model is when work, can pass through temperature sensor 23, in time measure the heating temp that every section heating wires 3 is wrapped in corresponding position on the magnetic conduction pipeline 2, and send data to controller 1, regulate the intermediate frequency magnetic field that heating wires 3 produces by controller 1, to control the heating temp that heating wires 3 is wrapped in corresponding position on the magnetic conduction pipeline 2, make work package to be heated accurately.
Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (6)
1, intermediate frequency electromagnetism multistage firing equipment, it comprises controller (1), magnetic conduction pipeline (2), one end of magnetic conduction pipeline (2) is provided with charging aperture (21), the other end is provided with discharging opening (22), it is characterized in that: the periphery of described magnetic conduction pipeline (2) is wound with plural number section heating wires (3), and plural number section heating wires (3) is connected the output of controller (1).
2, intermediate frequency electromagnetism multistage firing equipment according to claim 1, it is characterized in that: described controller (1) comprises the power subsystem (11) that is used to connect external power source, frequency changer circuit (12), agc circuit (13), heating in medium frequency power amplification circuit (14), multichannel output control circuit (15), described frequency changer circuit (12) is connected with agc circuit (13), the output of power subsystem (11) respectively with the input of frequency changer circuit (12), the input of agc circuit (13) connects, the output of frequency changer circuit (12) is connected with the input of heating in medium frequency power amplification circuit (14), the output of heating in medium frequency power amplification circuit (14) respectively with the input of multichannel output control circuit (15), the input of agc circuit (13) connects, and the output of multichannel output control circuit (15) is connected with plural number section heating wires (3).
3, intermediate frequency electromagnetism multistage firing equipment according to claim 2, it is characterized in that: described power subsystem (11) is made up of rectified three-phase circuit (111), switching power circuit (112), the input of rectified three-phase circuit (111) is connected with external power source, the output of rectified three-phase circuit (111) is connected with the input of switching power circuit (112), and the output of switching power circuit (112) is connected with the input of frequency changer circuit (12), the input of agc circuit (13) respectively.
4, intermediate frequency electromagnetism multistage firing equipment according to claim 1 is characterized in that: temperature sensor (23) is installed on the described magnetic conduction pipeline (2).
5, intermediate frequency electromagnetism multistage firing equipment according to claim 4, it is characterized in that: described temperature sensor (23) is a thermocouple.
6, according to any described intermediate frequency electromagnetism multistage firing equipment of claim 1 to 5, it is characterized in that: described magnetic conduction pipeline (2) is the straight barrel type pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202050626U CN201328201Y (en) | 2008-12-12 | 2008-12-12 | Intermediate frequency electromagnetic multisection heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202050626U CN201328201Y (en) | 2008-12-12 | 2008-12-12 | Intermediate frequency electromagnetic multisection heating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201328201Y true CN201328201Y (en) | 2009-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202050626U Expired - Fee Related CN201328201Y (en) | 2008-12-12 | 2008-12-12 | Intermediate frequency electromagnetic multisection heating equipment |
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| CN (1) | CN201328201Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064458A (en) * | 2012-12-17 | 2013-04-24 | 中国核电工程有限公司 | Electric heating rod power control system based on computer control |
-
2008
- 2008-12-12 CN CNU2008202050626U patent/CN201328201Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064458A (en) * | 2012-12-17 | 2013-04-24 | 中国核电工程有限公司 | Electric heating rod power control system based on computer control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20131212 |