CN201167421Y - High-frequency heating control device for hot drawing roller - Google Patents
High-frequency heating control device for hot drawing roller Download PDFInfo
- Publication number
- CN201167421Y CN201167421Y CNU2008200113086U CN200820011308U CN201167421Y CN 201167421 Y CN201167421 Y CN 201167421Y CN U2008200113086 U CNU2008200113086 U CN U2008200113086U CN 200820011308 U CN200820011308 U CN 200820011308U CN 201167421 Y CN201167421 Y CN 201167421Y
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- microprocessor
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- heating control
- heating
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Abstract
The utility model discloses a high frequency heating control device of a heat-stretching roller with high heating efficiency, rapid temperature increase, simple and convenient power adjustment and constant control of surface temperature. The high frequency heating control device is provided with a microprocessor, an upper computer communication interface, a display setting communication interface, a fault alarm output circuit and a data processing circuit of a temperature transmitter are connected with the microprocessor, the output of the microprocessor is connected with a heating control output circuit, the heating control output circuit is connected with an IGBT module through an IGBT driving control circuit, a PWM waveform generation circuit, a PWM waveform distribution circuit, a dead zone protection circuit and a direct current control power supply circuit are connected with the IGBT driving control circuit, and a high-voltage rectifier filter circuit is connected with the IGBT module.
Description
Technical field:
The utility model relates to a kind of heat-stretching roller heating control apparatus, the heat-stretching roller high-frequency heating control device that especially a kind of efficiency of heating surface height, intensification are rapidly, the power adjustment is simple and convenient, surface temperature control is constant.
Background technology:
Heat-stretching roller is one of key equipment of field of textiles, its efficiency of heating surface, programming rate and temperature control are constant to be the important indicator that influences chemical fibre yarn qualities such as polyamide fibre, terylene, polypropylene fibre, for this reason, existing heat-stretching roller all is provided with the heater with can detecting in real time of joining of heating load coil and control surface temperature, to guarantee that the heat-stretching roller surface temperature heats up rapidly, control stabilization.At present, the heater that heat-stretching roller is used all is power frequency (50HZ) induction heating basically, exists following problem:
1. the adjusting of heating power can only realize promptly having only the coil turn of raising could improve efficiency of heating surface system copper loss and will strengthen with the raising of coil turn by changing coil turn, causes severe energy waste; Limited because of heat-stretching roller draw-off godet space, directly limited the raising of coil turn, also just limited the room for promotion of heat-stretching roller heating power, influenced product quality;
2. the depth of current penetration is big, and (to the draw-off godet surface) thermal gradient is little from the inside to the outside, makes that the heat-stretching roller surface temperature heats up slowly, effect temperature compensation is poor.
Summary of the invention:
The utility model is in order to solve the above-mentioned technical problem of existing in prior technology, the heat-stretching roller high-frequency heating control device of provide a kind of efficiency of heating surface height, heat up rapidly, the power adjustment is simple and convenient, surface temperature control is constant.
Technical solution of the present utility model is: a kind of heat-stretching roller high-frequency heating control device; be provided with microprocessor; be connected to the host computer communication interface with microprocessor; show communication interface is set; fault alarm output circuit and temperature transmitter data processing circuit; it is characterized in that: be connected to the heating controlling output circuit with the output of microprocessor; the heating controlling output circuit is joined by IGBT Drive and Control Circuit and IGBT module; being connected to the PWM waveform with the IGBT Drive and Control Circuit takes place; distribution and dead zone protecting circuit and DC control supply circuit are connected to the high-voltage rectifying filter circuit with the IGBT module.
Be connected to overcurrent, over-voltage detection circuit with the output of described IGBT module, the output and the microprocessor of overcurrent, over-voltage detection circuit join.
The utility model by to duty when the pulse-width modulation waveform of frequency adjustable carry out logical conversion, distribution and the dead band protection etc. of signal, finally with the high frequency of 10KHZ to the coil-induced heating of heating load, compare with prior art have efficiency of heating surface height, heat up rapidly, effect temperature compensation good (depth of current penetration is little), power adjust advantages such as simple and convenient, is particularly suitable for the application of heating-up temperature at the heat-stretching roller more than 230 ℃; With the condition of the equal heating power of power frequency heater under, can reduce coil turn relatively, reduce system's copper loss, have good energy-saving effect; Simultaneously, can resist low Harmonic Interference, antijamming capability is strong, makes the heat-stretching roller surface temperature control constant, has guaranteed product quality.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1.
Embodiment:
Below in conjunction with description of drawings embodiment of the present utility model.
Embodiment 1 is as shown in Figure 1: identical with prior art, be provided with microprocessor, be connected to the host computer communication interface with microprocessor, show communication interface, fault alarm output circuit and temperature transmitter data processing circuit are set, can be at the equipment running status in the heating process and the fault that may occur, drive that industry spot is reported to the police, indicating equipment is reported to the police and indicate.Different is and the output of microprocessor is connected to the heating controlling output circuit with prior art, can finish Interface Matching, level conversion and insulation blocking function with the IGBT Drive and Control Circuit.The heating controlling output circuit is joined by IGBT Drive and Control Circuit and IGBT module; with the IGBT Drive and Control Circuit be connected to the generation of PWM waveform, distribution and dead zone protecting circuit (GAL) and DC control supply circuit (+24V); to duty when the pulse-width modulation waveform of frequency adjustable carry out logical conversion, distribution and the dead band protection etc. of signal, with the IGBT module be connected to the high-voltage rectifying filter circuit (output+600V).Be connected to overcurrent, over-voltage detection circuit with the output of described IGBT module, the output and the microprocessor of overcurrent, over-voltage detection circuit join.
In the practical application, a plurality of thermals treatment zone can be set on heat-stretching roller, be connected to the temperature transmitter data processing circuit respectively with the different thermal treatment zone.Be connected to different a plurality of controlling output circuit, IGBT Drive and Control Circuit, IGBT module with the output of microprocessor; all be connected to the generation of PWM waveform, distribution and dead zone protecting circuit and DC control supply circuit with each IGBT Drive and Control Circuit, all be connected to the high-voltage rectifying filter circuit with each IGBT module.All be connected to overcurrent, over-voltage detection circuit with the output of each IGBT module, the output and the microprocessor of overcurrent, over-voltage detection circuit join.
The course of work:
Receive temperature sensor signal and send heating signal (switching value heating time) to the IGBT Drive and Control Circuit by microprocessor according to the needs of heat-stretching roller temperature; after when the pulse-width modulation waveform of frequency adjustable carries out logical conversion, distribution and the dead band protection of signal to duty by the generation of PWM waveform, distribution and dead zone protecting circuit; export the high-frequency pulsed width modulation control wave to the IGBT Drive and Control Circuit; drive the IGBT module to the heating load coil heats, until adding the hygral equilibrium point that the heat-stretching roller surface reaches setting.With overcurrent, the over-voltage detection circuit that the output of IGBT module joins, detected overcurrent, overvoltage can be delivered to microprocessor, start warning device by microprocessor.
Claims (2)
1. heat-stretching roller high-frequency heating control device; be provided with microprocessor; be connected to the host computer communication interface with microprocessor; show communication interface is set; fault alarm output circuit and temperature transmitter data processing circuit; it is characterized in that: be connected to the heating controlling output circuit with the output of microprocessor; the heating controlling output circuit is joined by IGBT Drive and Control Circuit and IGBT module; being connected to the PWM waveform with the IGBT Drive and Control Circuit takes place; distribution and dead zone protecting circuit and DC control supply circuit are connected to the high-voltage rectifying filter circuit with the IGBT module.
2. heat-stretching roller high-frequency heating control device according to claim 1 is characterized in that: be connected to overcurrent, over-voltage detection circuit with the output of described IGBT module, the output and the microprocessor of overcurrent, over-voltage detection circuit join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200113086U CN201167421Y (en) | 2008-02-26 | 2008-02-26 | High-frequency heating control device for hot drawing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200113086U CN201167421Y (en) | 2008-02-26 | 2008-02-26 | High-frequency heating control device for hot drawing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167421Y true CN201167421Y (en) | 2008-12-17 |
Family
ID=40192814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200113086U Expired - Fee Related CN201167421Y (en) | 2008-02-26 | 2008-02-26 | High-frequency heating control device for hot drawing roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201167421Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977457A (en) * | 2010-11-11 | 2011-02-16 | 浙江四通化纤有限公司 | Special high-frequency heater for hot drawing roller |
| CN103152885A (en) * | 2013-01-30 | 2013-06-12 | 平陆康乐橡塑科技开发有限公司 | Electromagnetic heating device of normal pressure continuous desulphurization system |
| CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
| CN113218528A (en) * | 2020-01-21 | 2021-08-06 | 汉扎股份有限公司 | Method for determining the temperature of a godet jacket of a godet of a textile machine |
-
2008
- 2008-02-26 CN CNU2008200113086U patent/CN201167421Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977457A (en) * | 2010-11-11 | 2011-02-16 | 浙江四通化纤有限公司 | Special high-frequency heater for hot drawing roller |
| CN103152885A (en) * | 2013-01-30 | 2013-06-12 | 平陆康乐橡塑科技开发有限公司 | Electromagnetic heating device of normal pressure continuous desulphurization system |
| CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
| CN113218528A (en) * | 2020-01-21 | 2021-08-06 | 汉扎股份有限公司 | Method for determining the temperature of a godet jacket of a godet of a textile machine |
| CN113218528B (en) * | 2020-01-21 | 2024-03-08 | 汉扎股份有限公司 | Method for determining the temperature of a godet jacket of a godet of a textile machine |
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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: 20081217 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |