CN202261016U - Digital large-power high-frequency inversion direct-current power supply controller - Google Patents
Digital large-power high-frequency inversion direct-current power supply controller Download PDFInfo
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- CN202261016U CN202261016U CN2011203334542U CN201120333454U CN202261016U CN 202261016 U CN202261016 U CN 202261016U CN 2011203334542 U CN2011203334542 U CN 2011203334542U CN 201120333454 U CN201120333454 U CN 201120333454U CN 202261016 U CN202261016 U CN 202261016U
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Abstract
The utility model discloses a digital large-power high-frequency inversion direct-current power supply controller and a method thereof. The controller comprises a current measurement circuit, a voltage measurement circuit, a power given circuit, an over-current protection circuit, an over-heat protection circuit, phase-loss protection, a keyboard circuit, a microprocessor, a display, a CPLD (complex programmable logic device), a first driving circuit, a second driving circuit, a third driving circuit, a fourth driving circuit, a fifth driving circuit, a sixth driving circuit, a D/A (digital/analog) conversion circuit, a switch signal output circuit and a power supply circuit. According to the utility model, an EDA (electronic design automation) technology combined with microprocessing control and CPLD is adopted, CPLD generates a square signal with adjustable duty cycle and frequency by utilizing microprocessing control to control an IGBT (insulated gate bipolar translator), so that power supply output power varies according to requirements, the size of the output power is controlled by microprocessing control, a low-voltage large-current direct current power supply is obtained by rectification, and the energy output by the power supply can directly supply heat for a single crystal furnace graphite heater. The controller is high in control precision, and can meet the strict requirement of single crystals on temperature in the growing stage.
Description
Technical field
The utility model relates to a kind ofly can produce low-voltage and high-current, and output voltage or all adjustable high-power high-frequency inversion of electric current rectifying device, is to electroplate; Oxidation, electrolysis, electrophoresis; Smelt, electrochemical treatments such as quartzy heating and refinement monocrystalline silicon provide the DC power supply of efficient stable.
Background technology
Along with the develop rapidly of electron trade, more is that the field that relies on begins to strengthen the demand to monocrystalline silicon with the electronic technology.Therefore as the capital equipment that thermal source is provided in the single crystal growth process-high-power monocrystalline silicon DC heating power supply, also obtained using more widely, but also the real-time of monocrystalline silicon heating power supply, intelligent and reliability have been had higher requirement simultaneously.Traditional high-power monocrystalline silicon DC heating power supply mainly adopts transformer and controllable silicon step-down; And then through rectification acquisition low-voltage high-current power source, there are problems such as efficient is low, power factor is low, output voltage ripple is big, less stable in traditional thyristor supply.The utility model proposes digital large power high-frequency inversion DC power supply controller and adopts the EDA technology; In conjunction with little processing controls and CPLD, the square-wave signal that utilizes little processing controls CPLD to produce duty ratio, frequency adjustable is controlled IGBT, and output power of power supply is changed as requested; The size of power output is controlled by little processing controls; And obtained the low-voltage and high-current DC power supply through rectification, improved energy conversion efficiency, and power supply has high power factor and higher efficient; The power source integral energy-saving effect is obvious; The energy of its output can directly be the graphite heater heat supply in the single crystal growing furnace, and temperature-controlled precision is high, can satisfy monocrystalline in the strict demand of growth phase to temperature.
The utility model content
How the utility model technical problem to be solved utilizes the EDA technology, improves energy conversion efficiency, is the heat supply of single crystal growing furnace graphite heater.
For solving the problems of the technologies described above; The utility model provides a kind of digital large power high-frequency inversion DC power supply controller, comprises current measurement circuit, tension measuring circuit, power given circuit, current foldback circuit, overheating protection circuit, open-phase protection, keyboard circuit, microprocessor, demonstration, CPLD, first drive circuit, second drive circuit, the 3rd drive circuit, the moving circuit of 4 wheel driven, the 5th drive circuit, the 6th drive circuit, D/A change-over circuit, switching signal output circuit and power circuit; The output of current measurement circuit, tension measuring circuit and power given circuit is connected with the A/D mouth of microprocessor respectively; The output of current foldback circuit, overheating protection circuit and open-phase protection is connected with the I/O mouth of microprocessor respectively; The output of keyboard circuit is connected with the I/O mouth of microprocessor; Show that input is connected with the I/O mouth of microprocessor; The input of switching signal output circuit is connected with the I/O mouth of microprocessor; The CPLD input is connected with the I/O mouth of microprocessor; First drive circuit (11), second drive circuit, the 3rd drive circuit, the moving circuit of 4 wheel driven, the 5th drive circuit are connected with the output of CPLD respectively with the 6th drive circuit; The D/A change-over circuit is connected with the I/O mouth of microprocessor; The voltage output end of power circuit is connected with the power end of microprocessor.
The moving circuit of first drive circuit, second drive circuit, the 3rd drive circuit, 4 wheel driven, the 5th drive circuit and the 6th drive circuit are H bridge type circuit, and output is controlled the IGBT in the main circuit separately respectively.
Current measurement circuit utilizes the total output current signal of Hall current sensor collection, and the output signal of current measurement circuit 1 is 0-10VDC.
Tension measuring circuit utilizes the total output voltage of divider resistance collection at dc output end.
The utlity model has positive effect: in the digital large power high-frequency inversion DC power supply controller of (1) the utility model; CPLD is mainly used in the generation of control IGBT triggering signal; Microprocessor is mainly accomplished the collection of analog signals such as voltage, electric current and power, and collection and the output control of accomplishing overcurrent, signal such as overheated simultaneously, and CPLD can export the adjustable square-wave signal of 6 groups of independent frequency adjustable (7-12KHZ) duty ratios (0-45%); 6 groups of signals are identical; And can control separately, be convenient to when the main circuit fault of a certain road, can in time turn-off this road signal.(2) the digital large power high-frequency inversion DC power supply controller of the utility model; Duty ratio is adjusted according to given watt level automatically; Power given adopts 0-10VDC voltage, converts the 0-5V voltage signal to, and power feedback signal adopts the 0-10VDC voltage signal; The power adjustment adopts PID to regulate, accurately the control load heating power.(3) the digital large power high-frequency inversion DC power supply controller of the utility model owing to adopt full digital control, makes power output control more simple, and reliability is high.
Description of drawings
Fig. 1 is the digital large power high-frequency inversion DC power supply controller principle block diagram of embodiment 1.
Embodiment
See shown in Figure 1; The digital large power high-frequency inversion DC power supply controller of present embodiment comprises current measurement circuit 1, tension measuring circuit 2, power given circuit 3, current foldback circuit 4, overheating protection circuit 5, open-phase protection 6, keyboard circuit 7, microprocessor 8, shows 9, the moving circuit of CPLD10, first drive circuit 11, second drive circuit 12, the 3rd drive circuit 13,4 wheel driven 14, the 5th drive circuit 15, the 6th drive circuit 16, D/A change-over circuit 17, switching signal output circuit 18 and power circuit 19; The output of current measurement circuit 1, tension measuring circuit 2 and power given circuit 3 is connected with the A/D mouth of microprocessor 8 respectively; The output of current foldback circuit 4, overheating protection circuit 5 and open-phase protection 6 is connected with the I/O mouth of microprocessor 8 respectively; The output of keyboard circuit 7 is connected with the I/O mouth of microprocessor 8; Show that 9 inputs are connected with the I/O mouth of microprocessor 8; The input of switching signal output circuit 18 is connected with the I/O mouth of microprocessor 8; The CPLD10 input is connected with the I/O mouth of microprocessor 8; First drive circuit 11, second drive circuit 12, the 3rd drive circuit 13, the moving circuit 14 of 4 wheel driven, the 5th drive circuit 15 are connected with the output of CPLD10 respectively with the 6th drive circuit 16; D/A change-over circuit 17 is connected with the I/O mouth of microprocessor 8; The voltage output end of power circuit 19 is connected with the power end of microprocessor 8.
First drive circuit 11, second drive circuit 12, the 3rd drive circuit 13, the moving circuit 14 of 4 wheel driven, the 5th drive circuit 15 and the 6th drive circuit 16 are H bridge type circuit, and output is controlled the IGBT in the main circuit separately respectively.
CPLD10 is mainly used in the generation of control IGBT triggering signal; The main collections of accomplishing analog signals such as voltage, electric current and power of microprocessor 8, and collection and the output control of accomplishing overcurrent, signal such as overheated simultaneously, CPLD10 can export the adjustable square-wave signal of 6 groups of independent frequency adjustable (7-12KHZ) duty ratios (0-45%); 6 groups of signals are identical; And can control separately, be convenient to when the main circuit fault of a certain road, can in time turn-off this road signal.
Current measurement circuit 1 utilizes the total output current signal of Hall current sensor collection, and the output signal of current measurement circuit 1 is 0-10VDC.
Tension measuring circuit 2 utilizes the total output voltage of divider resistance collection at dc output end.
The technological innovation of the utility model digital large power high-frequency inversion DC power supply controller that above-mentioned structure like this constitutes all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
The above; It only is the preferred embodiment of the utility model; Not being that the utility model is done any pro forma restriction, though the utility model with the preferred embodiment exposure as above, yet is not in order to limit the utility model; Anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be the content that does not break away from the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (4)
1. digital large power high-frequency inversion DC power supply controller; It is characterized in that, comprise current measurement circuit (1), tension measuring circuit (2), power given circuit (3), current foldback circuit (4), overheating protection circuit (5), open-phase protection (6), keyboard circuit (7), microprocessor (8), show (9), CPLD (10), first drive circuit (11), second drive circuit (12), the 3rd drive circuit (13), the moving circuit (14) of 4 wheel driven, the 5th drive circuit (15), the 6th drive circuit (16), D/A change-over circuit (17), switching signal output circuit (18) and power circuit (19); The output of current measurement circuit (1), tension measuring circuit (2) and power given circuit (3) is connected with the A/D mouth of microprocessor (8) respectively; The output of current foldback circuit (4), overheating protection circuit (5) and open-phase protection (6) is connected with the I/O mouth of microprocessor (8) respectively; The output of keyboard circuit (7) is connected with the I/O mouth of microprocessor (8); Show that (9) input is connected with the I/O mouth of microprocessor (8); The input of switching signal output circuit (18) is connected with the I/O mouth of microprocessor (8); CPLD (10) input is connected with the I/O mouth of microprocessor (8); First drive circuit (11), second drive circuit (12), the 3rd drive circuit (13), the moving circuit (14) of 4 wheel driven, the 5th drive circuit (15) are connected with the output of CPLD (10) respectively with the 6th drive circuit (16); D/A change-over circuit (17) is connected with the I/O mouth of microprocessor (8); The voltage output end of power circuit (19) is connected with the power end of microprocessor (8).
2. digital large power high-frequency inversion DC power supply controller as claimed in claim 1; It is characterized in that; The moving circuit (14) of first drive circuit (11), second drive circuit (12), the 3rd drive circuit (13), 4 wheel driven, the 5th drive circuit (15) and the 6th drive circuit (16) are H bridge type circuit, and output is controlled the IGBT in the main circuit separately respectively.
3. digital large power high-frequency inversion DC power supply controller as claimed in claim 1 is characterized in that current measurement circuit (1) utilizes the total output current signal of Hall current sensor collection, and the output signal of current measurement circuit (1) is 0-10VDC.
4. digital large power high-frequency inversion DC power supply controller as claimed in claim 1 is characterized in that tension measuring circuit (2) utilizes the total output voltage of divider resistance collection at dc output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203334542U CN202261016U (en) | 2011-09-01 | 2011-09-01 | Digital large-power high-frequency inversion direct-current power supply controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203334542U CN202261016U (en) | 2011-09-01 | 2011-09-01 | Digital large-power high-frequency inversion direct-current power supply controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261016U true CN202261016U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203334542U Expired - Fee Related CN202261016U (en) | 2011-09-01 | 2011-09-01 | Digital large-power high-frequency inversion direct-current power supply controller |
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| CN (1) | CN202261016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969897A (en) * | 2011-09-01 | 2013-03-13 | 江苏正强电气有限公司 | Digital large-power high-frequency inversion controller for direct-current power supply and method of controller |
| CN105423513A (en) * | 2015-12-30 | 2016-03-23 | 四川长虹空调有限公司 | Electric heating system with continuously adjustable power and control method of electric heating system |
| CN112074029A (en) * | 2020-09-02 | 2020-12-11 | 沈阳工程学院 | Induction heating power supply circuit |
-
2011
- 2011-09-01 CN CN2011203334542U patent/CN202261016U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969897A (en) * | 2011-09-01 | 2013-03-13 | 江苏正强电气有限公司 | Digital large-power high-frequency inversion controller for direct-current power supply and method of controller |
| CN105423513A (en) * | 2015-12-30 | 2016-03-23 | 四川长虹空调有限公司 | Electric heating system with continuously adjustable power and control method of electric heating system |
| CN105423513B (en) * | 2015-12-30 | 2018-04-10 | 四川长虹空调有限公司 | Power continuously adjustabe electric heating system and its control method |
| CN112074029A (en) * | 2020-09-02 | 2020-12-11 | 沈阳工程学院 | Induction heating power supply circuit |
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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: JIANGSU ZHENGQIANG ELECTRIC CO., LTD. Free format text: FORMER NAME: JIANGSU QINGNENG POWER SUPPLY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee after: Jiangsu ZhengQiang Electric Co., Ltd. Address before: 213125 Jiangsu province Changzhou Fengxiang Road, new North Xuejiadao Industrial Park No. 1 Patentee before: Jiangsu Qingneng Power Supply Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZHENGHUI SOLAR CO., LTD. Free format text: FORMER OWNER: JIANGSU ZHENGQIANG ELECTRIC CO., LTD. Effective date: 20140630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140630 Address after: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee after: Jiangsu Zhenghui Solar Co., Ltd. Address before: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee before: Jiangsu ZhengQiang Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190901 |