CN206673849U - The high-performance electric source module that nuclear power station reactor core Nuclear measurement system uses - Google Patents
The high-performance electric source module that nuclear power station reactor core Nuclear measurement system uses Download PDFInfo
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- CN206673849U CN206673849U CN201621285957.6U CN201621285957U CN206673849U CN 206673849 U CN206673849 U CN 206673849U CN 201621285957 U CN201621285957 U CN 201621285957U CN 206673849 U CN206673849 U CN 206673849U
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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 electric source module that nuclear power station reactor core Nuclear measurement system uses.Purpose is that 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 anti-surge circuit, rectification circuit and adjustable mu balanced circuit；The output end of anti-surge circuit and the input of rectification circuit are connected, and the output end of rectification circuit is connected with the input of adjustable mu balanced circuit.The utility model has the advantages of circuit form is simple, and 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 the high property that nuclear power station reactor core Nuclear measurement system uses
Can power module.
Background technology
The BD-IMCH1044 type power modules used in the factory's reactor core Nuclear measurement system of Qinshan Phase II NPP one are responsible for outside input
AC power is converted to 5~11.2VDC variable DC power supply, and direct current supply is provided for miscellaneous equipment.Run more than 20 years in power station
Between, the type power module once broke down for several times, have impact on the normal work of reactor core Nuclear measurement system.Surveyed in order to avoid heap core and be
There is power supply trouble in system, ensures stable operation of unit, and technical office of factory of center nuclear power operational management Co., Ltd one proposes ensureing
On the premise of function is constant, a novel power supply module is developed again.Power module newly developed has stable performance, precision
The features such as high, strong antijamming capability, substantially increase the safety and reliability of reactor core Nuclear measurement system, it is ensured that power station it is long-term
Stable operation.
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
A kind of the problem of normal work, there is provided the high-performance code module that nuclear power station reactor core Nuclear measurement system uses.
What the present invention was realized in：
The high-performance electric source module that a kind of nuclear power station reactor core Nuclear measurement system uses, including anti-surge circuit, rectification circuit and
Adjustable mu balanced circuit；The input of the output end of anti-surge circuit and rectification circuit connects, the output end of rectification circuit with it is adjustable
The input connection of mu balanced circuit；Anti-surge circuit is used to carry out input protection to power module, prevents the interference of amplitude from believing
Number power module is caused to damage；Rectification circuit is used to the AC power of input is converted into direct current signal and is filtered place
Reason；Adjustable mu balanced circuit is used to the direct current signal of input being converted to the adjustable dc source of amplitude, is provided directly for miscellaneous equipment
Stream power supply.
Anti-surge circuit as described above is formed using P6KE30CA type TVS pipes as core, and two TVS diodes are carried out
It is connected in parallel；Anti-surge circuit is arranged on 14V AC signal input ends, and major function is to carry out input guarantor to power module
Shield, prevents the interference signal of amplitude from causing to damage to power module, and the module is responsible for disturbing the amplitude in input power
Signal eliminates, protection late-class circuit safety.
The AC power rectification of outside input is direct current signal by rectification circuit as described above, and is filtered, rectification
Circuit is formed using rectifier bridge D1 as core, and it is direct current signal to be responsible for the AC power rectification of outside input, and passes through polarity electricity
Hold C1 and be filtered processing；Rectifier bridge D1 cardinal principle is to be barricaded as a bridge circuit with four diodes, and its model is
2KBP08M-E4/51, polar capacitor C1 capacitance are 10000 μ F, and it is 40V that highest is pressure-resistant.
Adjustable mu balanced circuit as described above is formed using three terminal regulator V1 as core, chip model LM309, three ends
Connect a resistance R1 between voltage-stablizer V1 2 pin and 3 pin, and resistance R1 resistances are 270 Ω, polar capacitor C2 and variable resistor
Device R2 is connected in parallel, and wherein polar capacitor C2 positive pole is connected on three terminal regulator V1 3 pin, and negative pole is connected to the ground of board
On, polar capacitor C3 anodes are connected on three terminal regulator V1 2 pin, and the other end is connected to the ground of board, polar capacitor C3
Capacitance be 10 μ F, ceiling voltage 50V；Resistance by adjusting variable resistance R2 can reach the amplitude to output voltage
Setting.
The beneficial effects of the invention are as follows：
The present invention includes anti-surge circuit, rectification circuit and adjustable mu balanced circuit.The present invention is simple with circuit form, into
The advantages of this is low, reliability is high, substantially increase the safety and reliability of reactor core Nuclear measurement system, it is ensured that power station it is long-term steady
Fixed operation.
Brief description of the drawings
Fig. 1 is the structure principle chart for the high-performance electric source module that the nuclear power station reactor core Nuclear measurement system of the present invention uses；
Fig. 2 is the principle of the anti-surge circuit for the high-performance electric source module that the nuclear power station reactor core Nuclear measurement system of the present invention uses
Figure；
Fig. 3 is the principle of the rectification circuit for the high-performance electric source module that the nuclear power station reactor core Nuclear measurement system of the present invention uses
Figure；
Fig. 4 is the original of the adjustable mu balanced circuit for the high-performance electric source module that the nuclear power station reactor core Nuclear measurement system of the present invention uses
Reason figure.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the high-performance electric source module that a kind of nuclear power station reactor core Nuclear measurement system uses, including anti-surge circuit,
Rectification circuit and adjustable mu balanced circuit.The input of the output end of anti-surge circuit and rectification circuit connects, rectification circuit it is defeated
Go out end to be connected with the input of adjustable mu balanced circuit.Anti-surge circuit is used to carry out input protection to power module, prevents high-amplitude
The interference signal of value causes to damage to power module.Rectification circuit is gone forward side by side for the AC power of input to be converted into direct current signal
Row filtering process.Adjustable mu balanced circuit is used to the direct current signal of input being converted to the adjustable dc source of amplitude, is set to be other
It is standby that direct current supply is provided.
14V AC signals are exported 5-11.2V adjustable voltages by the present invention after treatment.
Anti-surge circuit is illustrated in figure 2, anti-surge circuit is arranged on the 14V AC signal input ends of board, mainly
Function is to carry out input protection to power module, prevents the interference signal of amplitude from causing to damage to power module, and the module is born
Duty eliminates the amplitude interference signal in input power, protection late-class circuit safety.Anti-surge circuit is with P6KE30CA types TVS
Manage and formed for core, two TVS diodes are connected in parallel.
If Fig. 3 is rectification circuit, the major function of rectification circuit is that the AC power of input is converted into direct current signal simultaneously
It is filtered processing.It is direct current signal that the module, which is responsible for the AC power rectification of outside input, and is filtered, rectification circuit
Formed using rectifier bridge D1 as core, it is direct current signal to be responsible for the AC power rectification of outside input, and passes through polar capacitor C1
It is filtered processing.Rectifier bridge D1 cardinal principle is to be barricaded as a bridge circuit with four diodes, and its model is 2KBP08M-
E4/51, polar capacitor C1 use polar capacitor, and its capacitance is 10000 μ F, and it is 40V that highest is pressure-resistant.
If Fig. 4 is adjustable mu balanced circuit, the major function of adjustable mu balanced circuit is that the direct current signal of input is converted into width
It is worth adjustable dc source, direct current supply is provided for miscellaneous equipment.
Adjustable mu balanced circuit is formed using three terminal regulator V1 as core, chip model LM309, and the 2 of three terminal regulator V1
Connect a resistance R1 between pin and 3 pin, and resistance R1 resistances are 270 Ω, and polar capacitor C2 is in parallel with variable resistance R2 even
Connect, wherein polar capacitor C2 positive pole is connected on three terminal regulator V1 3 pin, and negative pole is connected to the ground of board, polarity electricity
Hold C3 anodes to be connected on three terminal regulator V1 2 pin, the other end is connected to the ground of board, and polar capacitor C3 capacitance is
10 μ F, ceiling voltage 50V.Resistance by adjusting variable resistance R2 can reach the setting to the amplitude of output voltage.
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 those of ordinary skill in the art's possessed knowledge
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (4)
- A kind of 1. high-performance electric source module that nuclear power station reactor core Nuclear measurement system uses, it is characterised in that：It include anti-surge circuit, Rectification circuit and adjustable mu balanced circuit；The input of the output end of anti-surge circuit and rectification circuit connects, rectification circuit it is defeated Go out end to be connected with the input of adjustable mu balanced circuit；Anti-surge circuit is used to carry out input protection to power module, prevents high-amplitude The interference signal of value causes to damage to power module；Rectification circuit is gone forward side by side for the AC power of input to be converted into direct current signal Row filtering process；Adjustable mu balanced circuit is used to the direct current signal of input being converted to the adjustable dc source of amplitude, is set to be other It is standby that direct current supply is provided.
- 2. the high-performance electric source module that nuclear power station reactor core Nuclear measurement system according to claim 1 uses, it is characterised in that：Institute The anti-surge circuit stated is formed using P6KE30CA type TVS pipes as core, and two TVS diodes are connected in parallel；Anti-surging Circuit is arranged on 14V AC signal input ends, and major function is to carry out input protection to power module, prevents the dry of amplitude Disturb signal power module is caused to damage, the module is responsible for eliminating the amplitude interference signal in input power, protects rear class Circuit safety.
- 3. the high-performance electric source module that nuclear power station reactor core Nuclear measurement system according to claim 2 uses, it is characterised in that：Institute The AC power rectification of outside input is direct current signal by the rectification circuit stated, and is filtered, and rectification circuit is with rectifier bridge D1 Formed for core, it is direct current signal to be responsible for the AC power rectification of outside input, and is filtered place by polar capacitor C1 Reason；Rectifier bridge D1 cardinal principle is to be barricaded as a bridge circuit with four diodes, and its model is 2KBP08M-E4/51, polarity Electric capacity C1 capacitances are 10000 μ F, and it is 40V that highest is pressure-resistant.
- 4. the high-performance electric source module that nuclear power station reactor core Nuclear measurement system according to claim 3 uses, it is characterised in that：Institute The adjustable mu balanced circuit stated is formed using three terminal regulator V1 as core, chip model LM309, three terminal regulator V1 2 pin and 3 Connect a resistance R1 between pin, and resistance R1 resistances are 270 Ω, and polar capacitor C2 is connected in parallel with variable resistance R2, wherein Polar capacitor C2 positive pole is connected on three terminal regulator V1 3 pin, and negative pole is connected to the ground of board, polar capacitor C3 anodes It is connected on three terminal regulator V1 2 pin, the other end is connected to the ground of board, and polar capacitor C3 capacitance is 10 μ F, highest Voltage is 50V；Resistance by adjusting variable resistance R2 can reach the setting to the amplitude of output voltage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621285957.6U CN206673849U (en) | 2016-11-28 | 2016-11-28 | The high-performance electric source module that nuclear power station reactor core Nuclear measurement system uses |
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| CN201621285957.6U CN206673849U (en) | 2016-11-28 | 2016-11-28 | The high-performance electric source module that nuclear power station reactor core Nuclear measurement system uses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070261A (en) * | 2016-11-28 | 2017-08-18 | 中核核电运行管理有限公司 | The high-performance electric source module that nuclear power station reactor core Nuclear measurement system is used |
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- 2016-11-28 CN CN201621285957.6U patent/CN206673849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070261A (en) * | 2016-11-28 | 2017-08-18 | 中核核电运行管理有限公司 | The high-performance electric source module that nuclear power station reactor core Nuclear measurement system is used |
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