CN202677126U - A control circuit of a heating system of a cubic hinge presser - Google Patents
A control circuit of a heating system of a cubic hinge presser Download PDFInfo
- Publication number
- CN202677126U CN202677126U CN 201220351360 CN201220351360U CN202677126U CN 202677126 U CN202677126 U CN 202677126U CN 201220351360 CN201220351360 CN 201220351360 CN 201220351360 U CN201220351360 U CN 201220351360U CN 202677126 U CN202677126 U CN 202677126U
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- voltage signal
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- pulse
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Abstract
The utility model discloses a control circuit of a heating system of a cubic hinge presser. The control circuit comprises a given module, a feedback module, a comparing module, a PID control module, a main chip, a synchronization detecting module, a sawtooth wave generating module, a pulse outputting module, a triggering module, an operating power supply, and a thyristor. The given module provides a peripheral given voltage signal. The feedback module provides a feedback voltage signal. The comparing module synthetically compares the given voltage signal with the feedback voltage signal. The PID control module performs PID operation on a compared result obtained from the comparing module and outputs a voltage signal to the voltage control end of the main chip. A pulse is formed by the sawtooth wave forming module and the synchronization detecting module, and then the pulse outputting module outputs a pulse signal to the triggering module which controls the output of the thyristor. The control circuit increases stability and reliability of equipment operation and control precision of equipment.
Description
Technical field
The utility model relates to the electronic circuit technology field, especially relates to a kind of for the synthetic cubic hinge press heating system control circuit of superhard material.
Background technology
At present, in the cubic hinge press heating control system, mostly adopt KJ series thyristor phase-shift trigger ic as master chip, KJ series thyristor phase-shift trigger ic output pulse regularity is poor, identification certainty to zero crossing is lower, phase shift range is narrower, and in the variation of ambient temperature situation, its control accuracy is not high, the maintenance of breaking down is complicated, and it is larger to take up room.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of cubic hinge press heating system control circuit, and stability and the reliability of the operation of raising equipment improve the equipment control accuracy.
For achieving the above object, the utility model by the following technical solutions:
The utility model forms module, pulse output module, trigger module, working power and thyristor by given module, feedback module, comparison module, pid control module, master chip, synchronous detection module, sawtooth wave and forms; It is peripheral to determining voltage signal that given module provides; Feedback module provides feedback voltage signal; Comparison module will comprehensively compare to determining voltage signal and feedback voltage signal; Pid control module carries out the PID computing to the compared result that the comparison module draws, export to voltage signal of master chip voltage controling end, form module and synchronous detection module formation pulse by sawtooth wave, then by the pulse output module output pulse signal to trigger module, the output of trigger module control thyristor.
Further, also comprise protection module, described protection module is in two negative pole ends that trigger a link output voltage dependent resistor (VDR) in parallel.
Further, master chip adopts TCA785P thyristor phase-shift trigger ic.
The beneficial effects of the utility model are:
In the utility model, the external synchro source of synchronous detection module is for detection of the alternating voltage zero-crossing point.Realize the current limliting dividing potential drop by suitable resistance, utilize two diode inverse parallel amplitude limits that sine wave is become square wave, play the protective effect to chip.Two external electric capacity of the control voltage end of master chip TCA785P play good filter action to the high-frequency interferencing signal of controlling voltage end.Two negative pole ends of a trigger module output voltage dependent resistor (VDR) in parallel, the surge voltage that thyristor two ends moments is occurred plays clamping action, thereby thyristor has been carried out overvoltage protection.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, take a hint.Target of the present utility model and other advantages can realize and obtain by specifically noted structure in following instructions and the accompanying drawing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, the utility model forms module, pulse output module, trigger module, working power and thyristor by given module, feedback module, comparison module, pid control module, master chip, synchronous detection module, sawtooth wave and forms; It is peripheral to determining voltage signal that given module provides; Feedback module provides feedback voltage signal; Comparison module will comprehensively compare to determining voltage signal and feedback voltage signal; Pid control module carries out the PID computing to the compared result that the comparison module draws, export to voltage signal of master chip voltage controling end, form module and synchronous detection module formation pulse by sawtooth wave, then by the pulse output module output pulse signal to trigger module, the output of trigger module control thyristor.Also comprise protection module, described protection module is in two negative pole ends that trigger a link output voltage dependent resistor (VDR) in parallel.
The utility model is a phase shift type control circuit power plate realizing that by adjusting the silicon controlled conduction angle cubic hinge press resultant voltage, electric current, power are adjusted, core component adopts the TCA785P thyristor phase-shift trigger ic of Siemens Company, during implementation, its electronic component is welded on the double-layer PCB board of a 15cm * 11cm, can further the tighten control stability of circuit board of the rational deployment by pcb board ground wire, power lead and signal wire.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. a cubic hinge press heating system control circuit is characterized in that: form module, pulse output module, trigger module, working power and thyristor by given module, feedback module, comparison module, pid control module, master chip, synchronous detection module, sawtooth wave and form; It is peripheral to determining voltage signal that given module provides; Feedback module provides feedback voltage signal; Comparison module will comprehensively compare to determining voltage signal and feedback voltage signal; Pid control module carries out the PID computing to the compared result that the comparison module draws, export to voltage signal of master chip voltage controling end, form module and synchronous detection module formation pulse by sawtooth wave, then by the pulse output module output pulse signal to trigger module, the output of trigger module control thyristor.
2. cubic hinge press heating system control circuit according to claim 1 is characterized in that: also comprise protection module, described protection module is in two negative pole ends that trigger a link output voltage dependent resistor (VDR) in parallel.
3. cubic hinge press heating system control circuit according to claim 1 is characterized in that: master chip employing TCA785P thyristor phase-shift trigger ic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351360 CN202677126U (en) | 2012-07-19 | 2012-07-19 | A control circuit of a heating system of a cubic hinge presser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220351360 CN202677126U (en) | 2012-07-19 | 2012-07-19 | A control circuit of a heating system of a cubic hinge presser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677126U true CN202677126U (en) | 2013-01-16 |
Family
ID=47498018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220351360 Expired - Fee Related CN202677126U (en) | 2012-07-19 | 2012-07-19 | A control circuit of a heating system of a cubic hinge presser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991997A (en) * | 2017-12-22 | 2018-05-04 | 郑州中南杰特超硬材料有限公司 | A kind of cubic hinge press total digitalization heating control system |
-
2012
- 2012-07-19 CN CN 201220351360 patent/CN202677126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991997A (en) * | 2017-12-22 | 2018-05-04 | 郑州中南杰特超硬材料有限公司 | A kind of cubic hinge press total digitalization heating control system |
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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: 20130116 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |