CN201365356Y - Thyristor voltage regulator circuit - Google Patents
Thyristor voltage regulator circuit Download PDFInfo
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- CN201365356Y CN201365356Y CNU2008201408893U CN200820140889U CN201365356Y CN 201365356 Y CN201365356 Y CN 201365356Y CN U2008201408893 U CNU2008201408893 U CN U2008201408893U CN 200820140889 U CN200820140889 U CN 200820140889U CN 201365356 Y CN201365356 Y CN 201365356Y
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Abstract
The utility model discloses a thyristor voltage regulator circuit, which comprises a voltage setting module, a rising slope module, a current feedback processing module, a voltage feedback processing module, a limiting value module, a limiting regulator, a PID regulator and a pulse trigger module. Since the voltage regulator circuit is automatically regulated, thereby, the use is convenient; and the curve is regulated to be smooth so as to prolong the service life of a load.
Description
Technical field
The utility model relates to power technique fields, and especially a kind of melting on the high-frequency induction heating power in the district is used for oscillating tube (electron tube) filament stepless voltage regulation circuit, promptly a kind of thyristor voltage stabilizing circuit.
Background technology
The electron tube that uses in the heater is melted in the district at present, adopt tungsten cathode and carbonization throiated tungsten negative electrode two classes, these two kinds of negative electrodes have a common characteristic to be, cold-state resistance is little more a lot of than hot resistance, the cold-state resistance of tungsten filament approximately is hot 1/14, carbonization throiated tungsten cold-state resistance approximately is hot 1/9, can not add rated voltage when cold conditions immediately.
Carbonization throiated tungsten cathode electronics pipe is operated under the emission current undersaturated condition, and the fluctuation within a narrow range of filament supply is very little to power output, but filament voltage definitely can not surpass the permission fluctuation range, otherwise can shorten the working life of electron tube greatly.The fluctuation of general filament voltage is preferably in rated value ± 2%.The new general output voltage of pipe all turns down 1.5%～2%, uses voltage to be raised to after a period of time specifiedly again, can prolong tube life like this.
The tungsten cathode electron tube is operated in the emission current saturation condition, so the fluctuation within a narrow range of filament supply is very big to power output.Tungsten cathode also has an important feature, the too high life-span that can influence electron tube of filament voltage, and to satisfy under the situation of demanded power output and filament voltage should reduced use, as falling 5%, can double its useful life.
No matter tungsten cathode and carbonization throiated tungsten negative electrode two classes are adopted in employing, and stablizing of the starting current size of filament and operating current has important effect in useful life to electron tube.Filament operating circuit commonly used now has four kinds of modes, referring to accompanying drawing 1-4.
Figure (1) is a resistance current-limited startup circuit, figure (2) is the current limit by inductance start-up circuit, they are the classification power transmission sequence, and at first contactor KM1 connects, and contactor KM2 disconnects, this moment, filament voltage was equivalent to about 40% of rated voltage, through connecting KM2 after the preheating in 1～2 minute, make filament reach rated voltage, but filament voltage can not be adjustable continuously, and can not control starting current, cause starting current very big.
Figure (3) is the magnetic saturation voltage stabilizing circuit, this circuit has certain voltage regulation result, but can only input voltage ± 10% when changing, output voltage changes just less than 2%, substantially satisfy the electron tube heater voltage request, and starting current needs about 2 times rated current, so noise is bigger than normal during work, the starting current of this mode can not be controlled.
Figure (4) be an autotransformer manual voltage regulation circuit, at first autotransformer is transferred to minimum, slowly be transferred to 50% then and export, preheating 1 minute output voltage is adjusted to specified.This mode adopts the manual adjustments autotransformer, and the output voltage smoothness is bad, uses very inconvenient.
The utility model content
The purpose of this utility model provides a kind of thyristor voltage stabilizing circuit, comprises
The setting voltage module: be used to set the specified rate of filament controller output voltage, from 0～100% adjustable continuously, setting voltage 0～100% corresponding filament voltage 0～rated value;
Acclivity module: be used to set filament controller output voltage and rise to the needed time of setting voltage, and voltage is risen to setting voltage from zero volt at official hour from zero volt; Wherein the acclivity module is mainly used to regulate the smoothness of output voltage, and the variation of long more output voltage of slope time is level and smooth more;
Current feedback processing module: gather that output current is gathered, shaping, conversion, Filtering Processing feed back to the PID adjuster after handling;
Voltage Feedback processing module: gather that output voltage is gathered, shaping, conversion, Filtering Processing feed back to the PID adjuster after handling;
The limits value module: be used to set current limit value, it is one 0～100% an adjustable numerical value;
Limit regulator: according to limits value, the maximum of restriction output current, the current value * limits value of the output current value of actual lamp filaments controller=specified filament controller, as be rated for 100A, limits value is 50%, exports maximum constraints so at 50A; So limit regulator is mainly used to limit output current, make actual current value be no more than the limits value of setting;
The PID adjuster: for general general PID adjuster, be used to regulate output voltage, it is stable that it is remained;
Pulse-triggered module: the triggering signal that is used to produce controllable devices.
Because this voltage stabilizing circuit adopts automatically and regulates, and is easy to use; Adjustment curve is level and smooth, can prolong the useful life of load.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a resistance current-limited startup circuit.
Fig. 2 is the current limit by inductance start-up circuit.
Fig. 3 is the magnetic saturation voltage stabilizing circuit.
Fig. 4 is an autotransformer manual voltage regulation circuit.
Fig. 5 is a thyristor current-limited startup automatic voltage regulation circuit.
Fig. 6 is a thyristor current-limited startup process.
Embodiment
Thyristor current-limited startup automatic voltage regulation circuit as shown in Figure 5 comprises
The setting voltage module: be used to set the specified rate of filament controller output voltage, from 0～100% adjustable continuously, setting voltage 0～100% corresponding filament voltage 0～rated value.
Acclivity module: be used to set filament controller output voltage and rise to the needed time of setting voltage, and voltage is risen to setting voltage from zero volt at official hour from zero volt.Wherein the acclivity module is mainly used to regulate the smoothness of output voltage, and the variation of long more output voltage of slope time is level and smooth more.
Current feedback processing module: gather that output current is gathered, feed back to the PID adjuster after the shaping, conversion, Filtering Processing.
Voltage Feedback processing module: gather that output voltage is gathered, feed back to the PID adjuster after the shaping, conversion, Filtering Processing.
The limits value module: be used to set current limit value, it is 0～100% an adjustable numerical value.
Limit regulator: according to limits value, the maximum of restriction output current, the current value * limits value of the output current value of actual lamp filaments controller=specified filament controller, as be rated for 100A, limits value is 50%, exports maximum constraints so at 50A; So limit regulator is mainly used to limit output current, make actual current value be no more than the limits value of setting.
The PID adjuster: for general general PID adjuster, be used to regulate output voltage, it is stable that it is remained.
Pulse-triggered module: the triggering signal that is used to produce controllable devices.
At first by setting voltage module settings filament operating voltage, according to setting voltage, in the time of setting,, setting voltage is transformed into the curve that rises by index by the acclivity module, up to the filament operating voltage that rises to setting, electric current will rise to rated current smoothly from zero; The Voltage Feedback processing module is finished collection, shaping and the Filtering Processing of output voltage, offers the PID adjustor module then and makes the outer shroud voltage control; Current feedback finish dealing with collection, shaping, conversion, the Filtering Processing of output current, offer then the PID adjustor module do in circular current control, offer the limit regulator module simultaneously and be used for quick response limits electric current; Voltage Feedback module and setting voltage module enter the limit regulator module by the PID adjustor module, the limit regulator module output signal is given the pulse-triggered module, the pulse-triggered module provides the criteria triggers signal to thyristor module, finally finishes two closed-loop controls of whole system.
Be used for oscillating tube (electron tube) filament stepless voltage regulation on the molten high-frequency induction heating power in this district, power supply is connected to the former limit of filament transformer by SRC, and output voltage also is zero when setting voltage is zero, corresponding electron tube heater rated voltage during setting voltage.
Because this voltage stabilizing circuit adopts automatically and regulates, and is easy to use; Adjustment curve is level and smooth, can prolong the useful life of load.
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (2)
1, a kind of thyristor voltage stabilizing circuit comprises
The setting voltage module: be used to set the specified rate of filament controller output voltage, from 0～100% adjustable continuously, setting voltage 0～100% corresponding filament voltage 0～rated value;
Acclivity module: be used to set filament controller output voltage and rise to the needed time of setting voltage, and voltage is risen to setting voltage from zero volt at official hour from zero volt; Wherein the acclivity module is mainly used to regulate the smoothness of output voltage, and the variation of long more output voltage of slope time is level and smooth more;
Current feedback processing module: gather that output current is gathered, feed back to the PID adjuster after the shaping, conversion, Filtering Processing;
Voltage Feedback processing module: gather that output voltage is gathered, shaping, conversion, Filtering Processing feed back to the PID adjuster after handling;
The limits value module: be used to set current limit value, it is 0～100% an adjustable numerical value;
Limit regulator: according to limits value, the maximum of restriction output current, the current value * limits value of the output current value of actual lamp filaments controller=specified filament controller, as be rated for 100A, limits value is 50%, exports maximum constraints so at 50A; So limit regulator is mainly used to limit output current, make actual current value be no more than the limits value of setting;
The PID adjuster: for general general PID adjuster, be used to regulate output voltage, it is stable that it is remained;
Pulse-triggered module: the triggering signal that is used to produce controllable devices.
2, thyristor voltage stabilizing circuit as claimed in claim 1, it is characterized in that: at first by setting voltage module settings filament operating voltage, according to setting voltage, in the time of setting, pass through the acclivity module, setting voltage is transformed into the curve that rises by index, up to the filament operating voltage that rises to setting, electric current will rise to rated current smoothly from zero; The Voltage Feedback processing module is finished collection, shaping and the Filtering Processing of output voltage, offers the PID adjustor module then and makes the outer shroud voltage control; Current feedback finish dealing with collection, shaping, conversion, the Filtering Processing of output current, offer then the PID adjustor module do in circular current control, offer the limit regulator module simultaneously and be used for quick response limits electric current; Voltage Feedback module and setting voltage module enter the limit regulator module by the PID adjustor module, the limit regulator module output signal is given the pulse-triggered module, the pulse-triggered module provides the criteria triggers signal to thyristor module, finally finishes two closed-loop controls of whole system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201408893U CN201365356Y (en) | 2008-10-22 | 2008-10-22 | Thyristor voltage regulator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201408893U CN201365356Y (en) | 2008-10-22 | 2008-10-22 | Thyristor voltage regulator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201365356Y true CN201365356Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201408893U Expired - Fee Related CN201365356Y (en) | 2008-10-22 | 2008-10-22 | Thyristor voltage regulator circuit |
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| Country | Link |
|---|---|
| CN (1) | CN201365356Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129106A (en) * | 2022-08-31 | 2022-09-30 | 深圳市倍轻松科技股份有限公司 | Heating circuit, control method, chip, electronic equipment and massager |
-
2008
- 2008-10-22 CN CNU2008201408893U patent/CN201365356Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129106A (en) * | 2022-08-31 | 2022-09-30 | 深圳市倍轻松科技股份有限公司 | Heating circuit, control method, chip, electronic equipment and massager |
| CN115129106B (en) * | 2022-08-31 | 2023-11-21 | 深圳市倍轻松科技股份有限公司 | Heating circuit, control method, chip, electronic equipment and massager |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN YINGJIE ELECTRIC CO., LTD. Free format text: FORMER NAME: SICHUAN INJET ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The economic and Technological Development Zone of Sichuan Province, Deyang City, 618000 street, No. 295 Patentee after: Sichuan Injet Electric Co., Ltd. Address before: The economic and Technological Development Zone of Sichuan Province, Deyang City, 618000 street, No. 295 Patentee before: Sichuan Injet Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |