CN206524778U - The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used - Google Patents
The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used Download PDFInfo
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- CN206524778U CN206524778U CN201621284528.7U CN201621284528U CN206524778U CN 206524778 U CN206524778 U CN 206524778U CN 201621284528 U CN201621284528 U CN 201621284528U CN 206524778 U CN206524778 U CN 206524778U
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Abstract
The utility model belongs to nuclear power plant instrument control systems technology field, and in particular to the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used.Purpose is existing nuclear power plant's the type high-voltage power module Frequent Troubles, the problem of influenceing reactor core Nuclear measurement system normal work.Characterized in that, it includes rectification circuit, integrating circuit and drive circuit.The output end of rectification circuit is connected with integrating circuit and drive circuit respectively, and the output end of integrating circuit and the input of drive circuit are connected.The features such as the utility model has stable performance, precision height, strong antijamming capability, 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 what a kind of nuclear power station reactor core Nuclear measurement system was used
High-performance high-voltage power module.
Background technology
The BD-IMCH1032 type high-voltage power modules used in the factory's reactor core Nuclear measurement system of Qinshan Phase II NPP one are responsible for outside is defeated
The power frequency AC220V AC powers entered are converted to 50~200VDC variable DC power supply, are that reactor core Nuclear measurement system neutron detector is carried
Powered for stable HVDC.Between power station is run more than 20 years, the type high-voltage power module once broke down for several times, have impact on
The normal work of reactor core Nuclear measurement 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
Technical office of factory of nuclear power operational management Co., Ltd one is proposed on the premise of assurance function is constant, and a novel high-pressure is developed again
Power module.The features such as power module newly developed has stable performance, precision height, strong antijamming capability, substantially increases heap
The safety and reliability of core examining system, 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 existing nuclear power plant's the type high-voltage power module Frequent Troubles, and influence reactor core Nuclear measurement system is just
Often there is provided the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used the problem of work.
What the present invention was realized in：
The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used, including rectification circuit, integrating circuit
And drive circuit；The output end of rectification circuit is connected with integrating circuit and drive circuit respectively, the output end of integrating circuit and drive
The input connection of dynamic circuit；Rectification circuit is used to the two-way power frequency AC of input carrying out rectification and filtering respectively, obtains
The dc source that must be needed；The major function of integrating circuit is to carry out differential integrator to two-way input signal, and output signal is used for
Control drive circuit output；Drive circuit is used to export stable high-voltage DC power supply under the control of integrating circuit.
Rectification circuit as described above, J1P and J1S are one group of input, and J1J and J1K are another group of input, this two groups
Input carries out rectification respectively through bridge circuit B2 and B1, and is filtered respectively by C7 and C2.
Integrating circuit as described above, enters integrating circuit part from the rectifier bridge B1 signals come out, first passes around resistance
R4, then by diode D1 and resistance R2, then by diode D2 and resistance R3, diode D1 uses 1N5248B, diode
D2 uses BZX79-C9V1, and resistance R2 resistance is 1.2K, and resistance R3 resistance is 68K, and the signal of generation is by a typical case
Integrating circuit, the Amplifier Model that integrating circuit is used is NE5534AP, and amplifier integrating capacitor C5 capacitance is 1nF, product
The ratio system of parallel circuit is determined that R9 resistance is 22k, and VR2 Standard resistance range is 0- by slide rheostat VR2 and R9
100k；Pull-up resistor R1 resistances are 1.8k.
The major function of drive circuit as described above is that stable high voltage direct current is exported under the control of integrating circuit
Source；The signal of integrating circuit output passes through triode Q1 and Q2, model BUY69A, R8 and the pin of triode 1 of triode respectively
It is connected in parallel with 3 pin.
The beneficial effects of the invention are as follows：
The present invention includes rectification circuit, integrating circuit and drive circuit.The present invention has performance stabilization, precision high, anti-dry
The features such as ability is strong is disturbed, the safety and reliability of reactor core Nuclear measurement system is substantially increased, it is ensured that the fortune steady in a long-term in power station
OK.
Brief description of the drawings
Fig. 1 is the structural principle for the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system of the invention is used
Figure；
Fig. 2 is the rectification circuit for the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system of the invention is used
Schematic diagram；
Fig. 3 is the integration rectification for the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system of the invention is used
The schematic diagram of circuit；
Fig. 4 is the drive circuit for the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system of the invention is used
Schematic diagram.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used, including rectified current
Road, integrating circuit and drive circuit.The output end of rectification circuit is connected with integrating circuit and drive circuit respectively, integrating circuit
The input connection of output end and drive circuit.Rectification circuit is used to the two-way power frequency AC of input carrying out rectification respectively
And filtering, obtain the dc source needed.Integrating circuit is used to carry out differential integrator to two-way input signal, and output signal is used for
Control drive circuit output.Drive circuit is used to export stable high-voltage DC power supply under the control of integrating circuit.
The power frequency AC220V ac supply signals of outside input of the present invention, are output as 50~200VDC variable DC power supply letter
Number.
As shown in Fig. 2 for rectification circuit, J1P and J1S are one group of input, and J1J and J1K are another group of input, and this two
Group input carries out rectification respectively through bridge circuit B2 and B1, and is filtered respectively by C7 and C2.
As shown in figure 3, being integrating circuit, enter integrating circuit part from the rectifier bridge B1 signals come out, first pass around electricity
R4 is hindered, then by diode D1 and resistance R2, then by diode D2 and resistance R3, diode D1 uses 1N5248B, two poles
Pipe D2 uses BZX79-C9V1, and resistance R2 resistance is 1.2K, and resistance R3 resistance is 68K, and the signal of generation is by an allusion quotation
The integrating circuit of type, the Amplifier Model that integrating circuit is used is NE5534AP, and amplifier integrating capacitor C5 capacitance is 1nF,
The ratio system of integrating circuit is determined that R9 resistance is 22k, and VR2 Standard resistance range is 0- by slide rheostat VR2 and R9
100k.Pull-up resistor R1, resistance is 1.8k.
As shown in figure 4, being drive circuit, the major function of drive circuit is to export stable under the control of integrating circuit
High-voltage DC power supply.The signal of integrating circuit output respectively by triode Q1 and Q2, the model BUY69A, R8 of triode with
The pin of triode 1 and 3 pin are connected in parallel.
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 (4)
1. the high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used, it is characterised in that：It includes rectified current
Road, integrating circuit and drive circuit；The output end of rectification circuit is connected with integrating circuit and drive circuit respectively, integrating circuit
The input connection of output end and drive circuit；Rectification circuit is used to the two-way power frequency AC of input carrying out rectification respectively
And filtering, obtain the dc source needed；Integrating circuit is used to carry out differential integrator to two-way input signal, and output signal is used for
Control drive circuit output；Drive circuit is used to export stable high-voltage DC power supply under the control of integrating circuit.
2. the high-performance high-voltage power module that nuclear power station reactor core Nuclear measurement system according to claim 1 is used, its feature exists
In：Described rectification circuit, J1P and J1S are one group of input, and J1J and J1K are another group of input, this two groups of input difference
Rectification is carried out by bridge circuit B2 and B1, and is filtered respectively by C7 and C2.
3. the high-performance high-voltage power module that nuclear power station reactor core Nuclear measurement system according to claim 2 is used, its feature exists
In：Described integrating circuit, enters integrating circuit part from the rectifier bridge B1 signals come out, first passes around resistance R4, then pass through
Diode D1 and resistance R2, then by diode D2 and resistance R3, diode D1 uses 1N5248B, diode D2 to use
BZX79-C9V1, resistance R2 resistance are 1.2K, and resistance R3 resistance is 68K, and the signal of generation is by a typical integration
Circuit, the Amplifier Model that integrating circuit is used is NE5534AP, and amplifier integrating capacitor C5 capacitance is 1nF, integrating circuit
Ratio system determine that R9 resistance is 22k, and VR2 Standard resistance range is 0-100k by slide rheostat VR2 and R9；Pull-up
Resistance R1 resistances are 1.8k.
4. the high-performance high-voltage power module that nuclear power station reactor core Nuclear measurement system according to claim 3 is used, its feature exists
In：The major function of described drive circuit is that stable high-voltage DC power supply is exported under the control of integrating circuit；Integration electricity
The signal of road output is respectively by triode Q1 and Q2, and the model BUY69A, R8 of triode are in parallel with the pin of triode 1 and 3 pin
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284528.7U CN206524778U (en) | 2016-11-28 | 2016-11-28 | The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621284528.7U CN206524778U (en) | 2016-11-28 | 2016-11-28 | The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used |
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| Publication Number | Publication Date |
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| CN206524778U true CN206524778U (en) | 2017-09-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849707A (en) * | 2016-11-28 | 2017-06-13 | 中核核电运行管理有限公司 | The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used |
-
2016
- 2016-11-28 CN CN201621284528.7U patent/CN206524778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849707A (en) * | 2016-11-28 | 2017-06-13 | 中核核电运行管理有限公司 | The high-performance high-voltage power module that a kind of nuclear power station reactor core Nuclear measurement system is used |
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