CN107070260A - A kind of high-performance electric source module - Google Patents
A kind of high-performance electric source module Download PDFInfo
- Publication number
- CN107070260A CN107070260A CN201611064344.4A CN201611064344A CN107070260A CN 107070260 A CN107070260 A CN 107070260A CN 201611064344 A CN201611064344 A CN 201611064344A CN 107070260 A CN107070260 A CN 107070260A
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- Prior art keywords
- circuit
- voltage
- power supply
- input
- stabilized power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention belongs to nuclear power plant instrument control systems technology field, and in particular to a kind of high-performance electric source module.Purpose is to solve existing nuclear power plant's the type power module failure to take place frequently, the problem of influenceing reactor core Nuclear measurement system normal work.It is characterised in that it includes AC to DC converter circuit and DC-DC circuit；AC to DC converter circuit includes rectification circuit, filter circuit, buffer circuit and mu balanced circuit；The output end of rectification circuit and the input of filter circuit are connected, and the output end of filter circuit and the input of buffer circuit are connected, and the output end of buffer circuit and the input of mu balanced circuit are connected.The present invention has circuit form simple, and the advantage that cost is low, reliability is high substantially increases the safety and reliability of reactor core Nuclear measurement system, it is ensured that the operation steady in a long-term in power station.
Description
Technical field
The invention belongs to nuclear power plant instrument control systems technology field, and in particular to a kind of high-performance electric source module.
Background technology
The BD-IMCH1045 type power modules used in the factory's reactor core Nuclear measurement system of Qinshan Phase II NPP one are responsible for the exchange of input
Power convert is DC24V dc sources, the dc source of input is converted into DC5V dc sources, provides stable for miscellaneous equipment
DC24V and DC5V power.Between power station is run more than 20 years, the type power module once broke down for several times, have impact on heap core
The normal work of examining system.In order to avoid there is power supply trouble in reactor core Nuclear measurement system, it is ensured that stable operation of unit, center nuclear power fortune
Technical office of factory of row Management Co., Ltd one is proposed on the premise of assurance function is constant, and a novel power supply module is developed again.
The features such as power module newly developed has stable performance, precision height, strong antijamming capability, substantially increases reactor core Nuclear measurement system
Safety and reliability, it is ensured that the operation steady in a long-term in power station.
The content of the invention
The purpose of the present invention is that existing nuclear power plant's the type high-performance power supply module failure takes place frequently, and influences reactor core Nuclear measurement system
The problem of normal work, there is provided the high-performance code module that a kind of nuclear power station reactor core Nuclear measurement system is used.
What the present invention was realized in：
A kind of high property power module, including AC to DC converter circuit and DC-DC circuit；AC to DC converter circuit bag
Include rectification circuit, filter circuit, buffer circuit and mu balanced circuit；The output end of rectification circuit and the input of filter circuit connect
Connect, the output end of filter circuit and the input of buffer circuit are connected, the output end of buffer circuit and the input of mu balanced circuit
Connection；The major function of AC to DC converter circuit is that the AC power of input is converted into DC24V dc sources, is miscellaneous equipment
Power supply；The major function of DC-DC circuit is that the dc source of input is converted into DC5V dc sources, is miscellaneous equipment
Power supply.
AC to DC converter circuit as described above, the input port of the circuit is board golden finger B50, B51 and B46, B47
End, corresponding output port is board golden finger B26, B27 and B16, B17 ends；The AC to DC converter circuit includes rectified current
Road, filter circuit, buffer circuit and mu balanced circuit；
Rectification circuit was that the rectifier bridge of one diode of energy is realized, as shown in the PT1 in Fig. 2；Filter circuit is logical
Cross C3 polar capacitors to realize, its capacitance is 4700uF；
Buffer circuit is realized that a part is that diode D1, D2 and electricity R1 are composed in series, wherein diode by three part in parallel
D1 is consistent with D2 model, is 1N4148, resistance R1 resistance is 8.2K；A part for resistance R2 and triode T1 and
Electric capacity C4 is composed in series, and wherein R2 resistance is 100, triode T1 model 2N2907A, and electric capacity C4 capacitance is 0.1uF；
A part is connected for triode T2 and voltage-regulator diode Z1, triode T2 model 2N2222A, the model of voltage-regulator diode
Connected again with triode T3 after BZX85C33, this three part in parallel, T3 model BUP51；
The nucleus module of mu balanced circuit be voltage-stabilized power supply chip RG2, the model L7824CT of the chip, voltage-stabilized power supply
Front and rear to be filtered with polar capacitor, the input of voltage-stabilized power supply chip is filtered with polar capacitor C5, the polar capacitor
Positive pole be connected with voltage-stabilized power supply chip RG2 1 pin, C5 capacitance is 100uF, the output end polarity electricity of voltage-stabilized power supply chip
Hold C6 to filter, C6 positive pole is connected with voltage-stabilized power supply chip RG2 2 pin, C6 capacitance is 100uF.
DC-DC circuit as described above, the input of the partial circuit is golden finger B52, B53 and B1, B2 it
Between, output end is that between golden finger B10, B11 and B6, B7, the nucleus module of the partial circuit is voltage-stabilized power supply chip RG1, its
Model LM309K, the front and rear of voltage-stabilized power supply is filtered with polar capacitor, the input polarity of voltage-stabilized power supply chip
Electric capacity C1 is filtered, and the positive pole of the polar capacitor is connected with voltage-stabilized power supply chip RG1 1 pin, and C1 capacitance is 4.7uF, voltage stabilizing
The output end of power supply chip is filtered with polar capacitor C2, and C2 positive pole is connected with voltage-stabilized power supply chip RG1 2 pin, C2's
Capacitance is 4.7uF.
The beneficial effects of the invention are as follows：
The present invention includes AC to DC converter circuit and DC-DC circuit.The present invention has circuit form simple, cost
The high advantage of low, reliability, substantially increases the safety and reliability of reactor core Nuclear measurement system, it is ensured that power station it is steady in a long-term
Operation.
Brief description of the drawings
Fig. 1 is a kind of structure principle chart of high-performance electric source module of the present invention；
Fig. 2 is a kind of schematic diagram of the AC to DC converter circuit of high-performance electric source module of the present invention；
Fig. 3 is a kind of schematic diagram of the DC-DC circuit of high-performance electric source module of the present invention.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of high property power module, including AC to DC converter circuit and DC-DC circuit.Exchange turns
DC circuit includes rectification circuit, filter circuit, buffer circuit and mu balanced circuit.The output end of rectification circuit and filter circuit
Input is connected, and the output end of filter circuit and the input of buffer circuit are connected, the output end and mu balanced circuit of buffer circuit
Input connection.The major function of AC to DC converter circuit is that the AC power of input is converted into DC24V dc sources, is
Miscellaneous equipment is powered.The major function of DC-DC circuit is that the dc source of input is converted into DC5V dc sources, is
Miscellaneous equipment is powered.
The present invention can also may be used in ac input end input exchange signal, the corresponding exportable+24V direct current signals of output end
With in adjustable DC output end input direct-current signal in corresponding output port output+5V DC power signals.
AC to DC converter circuit is illustrated in figure 2, the input port of the circuit is board golden finger B50, B51 and B46,
B47 ends, corresponding output port is board golden finger B26, B27 and B16, B17 ends.The AC to DC converter circuit includes rectification
Circuit, filter circuit, buffer circuit and mu balanced circuit.
Rectification circuit was that the rectifier bridge of one diode of energy is realized, as shown in the PT1 in Fig. 2；Filter circuit is logical
Cross C3 polar capacitors to realize, its capacitance is 4700uF.
Buffer circuit is realized that a part is that diode D1, D2 and electricity R1 are composed in series, wherein diode by three part in parallel
D1 is consistent with D2 model, is 1N4148, resistance R1 resistance is 8.2K；A part for resistance R2 and triode T1 and
Electric capacity C4 is composed in series, and wherein R2 resistance is 100, triode T1 model 2N2907A, and electric capacity C4 capacitance is 0.1uF；
A part is connected for triode T2 and voltage-regulator diode Z1, triode T2 model 2N2222A, the model of voltage-regulator diode
Connected again with triode T3 after BZX85C33, this three part in parallel, T3 model BUP51.
The nucleus module of mu balanced circuit be voltage-stabilized power supply chip RG2, the model L7824CT of the chip, voltage-stabilized power supply
Front and rear to be filtered with polar capacitor, the input of voltage-stabilized power supply chip is filtered with polar capacitor C5, the polar capacitor
Positive pole be connected with voltage-stabilized power supply chip RG2 1 pin, C5 capacitance is 100uF, the output end polarity electricity of voltage-stabilized power supply chip
Hold C6 to filter, C6 positive pole is connected with voltage-stabilized power supply chip RG2 2 pin, C6 capacitance is 100uF.
If Fig. 3 is DC-DC circuit figure, the input of the partial circuit is between golden finger B52, B53 and B1, B2,
Output end is that between golden finger B10, B11 and B6, B7, the nucleus module of the partial circuit is voltage-stabilized power supply chip RG1, its model
For LM309K, the front and rear of voltage-stabilized power supply is filtered with polar capacitor, the input polar capacitor of voltage-stabilized power supply chip
C1 is filtered, and the positive pole of the polar capacitor is connected with voltage-stabilized power supply chip RG1 1 pin, and C1 capacitance is 4.7uF, voltage-stabilized power supply
The output end of chip is filtered with polar capacitor C2, and C2 positive pole is connected with voltage-stabilized power supply chip RG1 2 pin, C2 capacitance
For 4.7uF.
The implementation of the present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (3)
1. a kind of high property power module, it is characterised in that：It includes AC to DC converter circuit and DC-DC circuit；Exchange turns
DC circuit includes rectification circuit, filter circuit, buffer circuit and mu balanced circuit；The output end of rectification circuit and filter circuit
Input is connected, and the output end of filter circuit and the input of buffer circuit are connected, the output end and mu balanced circuit of buffer circuit
Input connection；The major function of AC to DC converter circuit is that the AC power of input is converted into DC24V dc sources, is
Miscellaneous equipment is powered；The major function of DC-DC circuit is that the dc source of input is converted into DC5V dc sources, is
Miscellaneous equipment is powered.
2. high property power module according to claim 1, it is characterised in that：Described AC to DC converter circuit, the circuit
Input port be board golden finger B50, B51 and B46, B47 ends, corresponding output port be board golden finger B26, B27 and
B16, B17 end；The AC to DC converter circuit includes rectification circuit, filter circuit, buffer circuit and mu balanced circuit；
Rectification circuit was that the rectifier bridge of one diode of energy is realized, as shown in the PT1 in Fig. 2；Filter circuit is by C3
Polar capacitor realizes that its capacitance is 4700uF；
Buffer circuit is realized that a part is that diode D1, D2 and electricity R1 are composed in series by three part in parallel, wherein diode D1 and
D2 model is consistent, is 1N4148, resistance R1 resistance is 8.2K；A part is resistance R2 and triode T1 and electric capacity
C4 is composed in series, and wherein R2 resistance is 100, triode T1 model 2N2907A, and electric capacity C4 capacitance is 0.1uF；One
It is divided into triode T2 and voltage-regulator diode Z1 series connection, triode T2 model 2N2222A, the model of voltage-regulator diode
Connected again with triode T3 after BZX85C33, this three part in parallel, T3 model BUP51；
The nucleus module of mu balanced circuit be voltage-stabilized power supply chip RG2, the model L7824CT of the chip, voltage-stabilized power supply it is front and rear
It is filtered with polar capacitor, the input of voltage-stabilized power supply chip is filtered with polar capacitor C5, and the polar capacitor is just
Pole is connected with voltage-stabilized power supply chip RG2 1 pin, and C5 capacitance is 100uF, the output end polar capacitor C6 of voltage-stabilized power supply chip
To filter, C6 positive pole is connected with voltage-stabilized power supply chip RG2 2 pin, and C6 capacitance is 100uF.
3. high property power module according to claim 1, it is characterised in that：Described DC-DC circuit, the part
The input of circuit is that between golden finger B52, B53 and B1, B2, output end is the portion between golden finger B10, B11 and B6, B7
The nucleus module of parallel circuit be voltage-stabilized power supply chip RG1, its model LM309K, voltage-stabilized power supply it is front and rear with polar capacitor come
It is filtered, the input of voltage-stabilized power supply chip is filtered with polar capacitor C1, positive pole and the voltage-stabilized power supply core of the polar capacitor
Piece RG1 1 pin connection, C1 capacitance is 4.7uF, and the output end of voltage-stabilized power supply chip is filtered with polar capacitor C2, and C2 is just
Pole is connected with voltage-stabilized power supply chip RG1 2 pin, and C2 capacitance is 4.7uF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064344.4A CN107070260B (en) | 2016-11-28 | 2016-11-28 | High-performance power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064344.4A CN107070260B (en) | 2016-11-28 | 2016-11-28 | High-performance power module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107070260A true CN107070260A (en) | 2017-08-18 |
| CN107070260B CN107070260B (en) | 2023-10-20 |
Family
ID=59619603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611064344.4A Active CN107070260B (en) | 2016-11-28 | 2016-11-28 | High-performance power module |
Country Status (1)
| Country | Link |
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| CN (1) | CN107070260B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001168699A (en) * | 1999-12-08 | 2001-06-22 | Fuji Electric Co Ltd | Gate threshold temperature compensation circuit for mosfet for switching power source |
| JP2009050080A (en) * | 2007-08-20 | 2009-03-05 | Fuji Electric Hi-Tech Corp | Snubber circuit |
| CN201234210Y (en) * | 2008-07-18 | 2009-05-06 | 广东洛贝电子科技有限公司 | Switch power supply for electric pressure cooker |
| CN202872354U (en) * | 2012-11-06 | 2013-04-10 | 江苏永昌新能源科技有限公司 | Current buffer |
| CN105517225A (en) * | 2015-12-11 | 2016-04-20 | 成都翰道科技有限公司 | Energy-saving control system of intelligent LED lamp |
| CN206673846U (en) * | 2016-11-28 | 2017-11-24 | 中核核电运行管理有限公司 | A kind of high-performance electric source module |
-
2016
- 2016-11-28 CN CN201611064344.4A patent/CN107070260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001168699A (en) * | 1999-12-08 | 2001-06-22 | Fuji Electric Co Ltd | Gate threshold temperature compensation circuit for mosfet for switching power source |
| JP2009050080A (en) * | 2007-08-20 | 2009-03-05 | Fuji Electric Hi-Tech Corp | Snubber circuit |
| CN201234210Y (en) * | 2008-07-18 | 2009-05-06 | 广东洛贝电子科技有限公司 | Switch power supply for electric pressure cooker |
| CN202872354U (en) * | 2012-11-06 | 2013-04-10 | 江苏永昌新能源科技有限公司 | Current buffer |
| CN105517225A (en) * | 2015-12-11 | 2016-04-20 | 成都翰道科技有限公司 | Energy-saving control system of intelligent LED lamp |
| CN206673846U (en) * | 2016-11-28 | 2017-11-24 | 中核核电运行管理有限公司 | A kind of high-performance electric source module |
Non-Patent Citations (3)
| Title |
|---|
| A.J. STRATAKOS: "A low-voltage CMOS DC-DC converter for a portable battery-operated system" * |
| 沈永明: "CP78系列数字机开关电源的检修" * |
| 黄秋;方方;丁卫撑;姜赞成;张彪;: "一种实用小功率开关电源的研制" * |
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| Publication number | Publication date |
|---|---|
| CN107070260B (en) | 2023-10-20 |
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