CN106292457A - A kind of program control high-voltage power apparatus being applied to reactivity meter - Google Patents
A kind of program control high-voltage power apparatus being applied to reactivity meter Download PDFInfo
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- CN106292457A CN106292457A CN201610862198.3A CN201610862198A CN106292457A CN 106292457 A CN106292457 A CN 106292457A CN 201610862198 A CN201610862198 A CN 201610862198A CN 106292457 A CN106292457 A CN 106292457A
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- module
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- microcontroller
- reactivity meter
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
Abstract
The invention discloses a kind of program control high-voltage power apparatus being applied to reactivity meter, described device includes: microcontroller, input module, D/A conversion module, high pressure sampling module, high-pressure modular, filtration module, described input module, described D/A conversion module, described high pressure sampling module are all connected with described microcontroller, described D/A conversion module is connected with described high-pressure modular, described high-pressure modular is connected with described filtration module, and described filtration module is connected with described high pressure sampling module；Wherein, microcontroller input based on input module parameter generates control signal, microcontroller output control signal, after DA changes, output controls voltage, and high-pressure modular is according to controlling voltage output high-voltage signal, and the laggard horizontal high voltage of high-voltage signal module after filtering exports, achieve device and possess two mode of operations, reduce the use requirement of reactivity meter, the high voltage power supply of output high accuracy low ripple, it is possible to directly apply to the technique effect of reactivity meter.
Description
Technical field
The present invention relates to high voltage power supply control field, in particular it relates to a kind of program control high-tension electricity being applied to reactivity meter
Source apparatus.
Background technology
Reactivity is the instruction nuclear reactor internal neutron effective multiplication factor Keff relative depature amount to marginal value, is anti-
The important parameter of reactor operation situation is characterized when answering heap physical start-up.It accurately measure the safe operation for reactor and
Play its economic benefit to have great significance.Reactivity meter is the Unique Device directly measuring pile reactivity, is also core
The key equipment of power station physical start-up.
Reactivity meter calculates reactivity value typically by the current signal measuring the output of ionization chamber detector.These ionization
Room detector arrangement, outside reactor pressure vessel, needs outside offer high voltage power supply during work.
Through investigation, existing reactivity meter is typically to be configured without high voltage power supply, about the height being applied to reactivity meter
Voltage source only has one to publish document (development of Reactor physical test portable digital reactivity meter, nuclear electronics
With Detection Techniques, in May, 2010, page 638).High voltage power supply in the document have employed the mode of manually regulation, it is impossible to passes through journey
Sequence is controlled.
In sum, present inventor is in realizing the embodiment of the present application during inventive technique scheme, in discovery
At least there is following technical problem in technology of stating:
In the prior art, the high voltage power supply of existing reactive configuration exists can only the most manually regulate High voltage output,
Limit the technical problem using environment of reactivity meter.
Summary of the invention
The invention provides a kind of program control high-voltage power apparatus being applied to reactivity meter, solve existing reactivity and join
The high voltage power supply put exists can only the most manually regulate High voltage output, limits the technical problem using environment of reactivity meter,
Achieve device can program control regulation high pressure, output device possess on the spot arrange and remotely located two mode of operations, reduce
The use requirement of reactivity meter, the high voltage power supply of output high accuracy low ripple, it is possible to directly apply to the technology effect of reactivity meter
Really.
Compared to the mode of manually regulation high pressure, program control regulation high pressure adds the process circuit of numerical portion, this part
Circuit have impact on the ripple of High voltage output.It addition, be different from general high voltage power supply, the ionization chamber detector that reactivity meter is measured
Output signal is the faintest, and the ripple of high voltage power supply output is proposed strict requirements.
For solving above-mentioned technical problem, the embodiment of the present application provides the program control high-voltage power apparatus being applied to reactivity meter
Including: microcontroller, LED display circuit, USB communicating circuit, DA change-over circuit, circuit, high pressure sample circuit, height it is set on the spot
The functional modules such as die block circuit, filter circuit and power circuit, include button, display lamp, on and off switch and power supply mould simultaneously
The parts such as block." program control " of program control high voltage power supply is embodied in microcontroller output control signal, and after DA changes, output controls
Voltage, high-pressure modular is according to controlling voltage output high-voltage signal.The control signal of microcontroller both can read and to have arranged on the spot
As a result, remotely located parameter can be received by USB communication again.Concrete merit between each function module circuit of device and parts
Can be as follows:
Microcontroller possesses the functions such as A/D conversion, serial communication and digital quantity input and output.Microcontroller passes through A/D end
Mouthful it is connected with the potentiometer arranging circuit on the spot and high pressure employing circuit, gathers respectively and sampled value is set on the spot and High voltage output is adopted
Sample value.Microcontroller is connected with LED display circuit, USB communicating circuit and DA change-over circuit by serial ports, realizes respectively sending height
Pressure output valve is to the function shown and between the industrial computer of reactivity meter, data interaction and control signal output are changed to DA.Micro-control
Device processed passes through state and the driving means status indicator lamp of I/O port reading device button.LED display circuit includes two groups 3
7 sections of LED charactrons, control to drive by MAX7219, MAX7219 receives the data sent of microcontroller, drives charactron to show
Show current High voltage output value.USB communicating circuit realizes the conversion of serial ports and USB communication, it is achieved program control high-voltage power apparatus is with anti-
Data interaction between the industrial computer of Ying Xingyi.DA change-over circuit receives the control signal of microcontroller, and output controls voltage to high pressure
Module, controls the output valve of high-pressure modular.Employing potentiometer regulation is set on the spot voltage is set.High pressure sample circuit is to use electricity
Resistance dividing potential drop, is reduced to the collectable scope of A/D by the sampled value of High voltage output.High-pressure modular circuit is two integrated modules,
Output positive high voltage and negative high voltage respectively, this module receives the control voltage of DA conversion output, regulates High voltage output.Filter circuit is adopted
The LC filter circuit formed with inductance and electric capacity, reduces the ripple of High voltage output.Power circuit uses three terminal regulator, by power supply
The DC voltage of module output is converted to the power supply of other magnitudes of voltage.
Button, for selecting the mode of operation of high-voltage power apparatus, is divided into and arranging on the spot and remotely located.Display lamp is used for
The state of instruction high pressure cabinet output high pressure.On and off switch can control the power supply of alternating current power supply and high-pressure modular.Power supply mould
220V exchange is converted to the unidirectional current of 5V, 15V and-15V by block.
In the microcontroller, circulation performs reading and arranges value, output the running software of program control high-voltage power apparatus in order
The functions such as controlling value, reading high pressure sampled value, transmission facility information, transmission video data.Software employs an interruption, should
Interrupting producing when serial ports receives data, verify data in interruption, verify the most then preservation and arrange result, failed then change sets
The corresponding data of standby information.
The hardware configuration of coupling apparatus and software flow describe the method for High voltage output, comprise the following steps:
A () time first device powers on, initialization data；
B () passes through I/O interface querying key-press status, determine mode of operation；
C () judges whether step (b) button is pressed, if it is not, then mode of operation is remotely located pattern, reads and remotely set
Put value；
D () calculates the control signal value of high voltage adjusting；
E control signal is exported to DA change-over circuit by () by serial ports；
F () is gathered by AD and reads high pressure sampled value；
G () passes through I/O port drive index lamp；
H facility information is sent to USB communicating circuit by () by serial ports；
I High voltage output value is sent to LED display circuit by () by serial ports；
(c1) judge whether step (b) button is pressed, if it is, mode of operation is for arrange pattern on the spot, adopted by AD
Collection reads and arranges sampled value on the spot；
(c2) calculating arranges value, on the spot subsequently into step (d).
Meanwhile, this device considers signal isolation and filtering in hardware designs, and programming reduces microcontroller
Action.These measures reduce the digital circuit impact on High voltage output, it is achieved that the high-voltage power apparatus of low ripple in high precision.
According to above-mentioned implementation method, the key technical indexes of the program control high-voltage power apparatus of the present invention: positive high voltage output model
Enclose 0V～500V；Negative high voltage output area-500V～0V；Output error is less than ± 2V；Output ripple virtual value is less than 10mV.
This program control high-voltage power apparatus collects two kinds of set-up modes by microcontroller, and the control reducing high-pressure modular is multiple
Miscellaneous degree.
The using method of program control high-voltage power apparatus comprises the following steps:
(A) it is first turned on power supply, selects mode of operation, select to arrange on the spot with remotely located by front panel keys；
(B) if arranging pattern on the spot, rotating corresponding potentiometer knob, LED shows current High voltage output value in real time,
Magnitude of voltage determines according to demand；
(C) if remotely located pattern, device receives remotely located communication data, and user can be the people of reactivity meter
Machine interactive interface performs arrange operation.
Compared with prior art, this device is configured with a program control high-voltage power apparatus in reactivity meter, and this device has
Standby setting and remotely located two mode of operations on the spot, reduce the use requirement of reactivity meter.
The one or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage:
It is designed as including by the program control high-voltage power apparatus being applied to reactivity meter owing to have employed: microcontroller, input
Module, D/A conversion module, high pressure sampling module, high-pressure modular, filtration module, described input module, described D/A conversion module, institute
Stating high pressure sampling module to be all connected with described microcontroller, described D/A conversion module is connected with described high-pressure modular, described high pressure
Module is connected with described filtration module, and described filtration module is connected with described high pressure sampling module；Wherein, microcontroller is based on defeated
The input parameter entering module generates control signal, microcontroller output control signal, and after DA changes, output controls voltage, high
Die block exports high-voltage signal according to controlling voltage, the technical scheme that the laggard horizontal high voltage of high-voltage signal module after filtering exports,
So, the high voltage power supply efficiently solving existing reactive configuration exists and can only the most manually regulate High voltage output, limits
Reactivity meter use environment technical problem, and then achieve device can program control regulation High voltage output, device possesses on the spot
Arrange and remotely located two mode of operations, reduce the use requirement of reactivity meter, the high-tension electricity of output high accuracy low ripple
Source, it is possible to directly apply to the technique effect of reactivity meter.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention；
Fig. 1 is the composition schematic diagram of the program control high-voltage power apparatus being applied to reactivity meter in the application；
Fig. 2 is device control flow schematic diagram in the application；
Fig. 3 is interruption schematic flow sheet in the application.
Detailed description of the invention
The invention provides a kind of program control high-voltage power apparatus being applied to reactivity meter, solve existing reactivity and join
The high voltage power supply put exists can only the most manually regulate High voltage output, limits the technical problem using environment of reactivity meter,
Achieve device can program control regulation high pressure, output device possess on the spot arrange and remotely located two mode of operations, reduce
The use requirement of reactivity meter, the high voltage power supply of output high accuracy low ripple, it is possible to directly apply to the technology effect of reactivity meter
Really.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail.
Below in conjunction with specific embodiment and accompanying drawing, to the detailed description further of present invention work, but the enforcement of the present invention
Mode is not limited to this.
Embodiment one:
See Fig. 1-Fig. 3, this application provides the hardware configuration of program control high-voltage power apparatus, show including microcontroller, LED
Show circuit, USB communicating circuit, DA change-over circuit, circuit, high pressure sample circuit, high-pressure modular circuit, filter circuit be set on the spot
With functional modules such as power circuits, include the parts such as button, display lamp, on and off switch and power module simultaneously.
Microcontroller uses C8051f040 chip, and it has A/D port, serial ports and I/O port.Wherein A/D port is with outer
Portion arranges potentiometer on the spot and high pressure sample circuit connects, and reads and arranges sampled value and High voltage output sampled value, potentiometer on the spot
Arranging sampled value by knob regulation, high pressure sample circuit uses resistance to output high pressure dividing potential drop；Serial ports and LED display circuit,
USB communicating circuit and DA change-over circuit connect, and send data to each circuit by the way of serial communication, and LED shows and passes through
Display driver MAX7219 drives the display of two groups of totally 6 charactrons, USB communication by FT232BL chip realize serial ports with
The conversion of USB communications protocol, serial data sends the DAC7731 chip to DA change-over circuit, controls output voltage；I/O port
It is directly connected to button and display lamp, reads key-press status, drive display lamp.DA change-over circuit is again with high-pressure modular circuit even
Connecing, the output of this chip controls voltage to high-pressure modular, high-pressure modular output high pressure (positive high voltage is 0V～500V, negative high voltage is-
500V～0V).The output of high-pressure modular circuit after filtering, filtering uses inductance and the LC filter circuit of electric capacity composition, reduces
The ripple of High voltage output.The present invention uses 220V alternating current power supply, is converted to the unidirectional current of 5V, 15V and-15V by power module,
Wherein the unidirectional current of 5V and 15V separates a part and is converted to 2.5V, 3.3V by three terminal regulator and powers for circuit.High pressure is believed
Number principle produced can be divided into two steps: the first step is digital control part, reads and arranges on the spot or remotely located arrange value,
Calculate control signal；Second is simulation output part, by DA change-over circuit, control signal is converted to voltage signal, controls
High-pressure modular exports.
The implementation method of program control high-voltage power apparatus, comprises the following steps:
A () time first device powers on, initialization data；
B () passes through I/O interface querying key-press status, determine mode of operation；
C () judges whether step (b) button is pressed, if it is not, then mode of operation is remotely located pattern, reads and remotely set
Put value；
D () calculates the control signal value of high voltage adjusting；
E control signal is exported to DA change-over circuit by () by serial ports；
F () is gathered by AD and reads high pressure sampled value；
G () passes through I/O port drive index lamp；
H facility information is sent to USB communicating circuit by () by serial ports；
I High voltage output value is sent to LED display circuit by () by serial ports；
(c1) judge whether step (b) button is pressed, if it is not, then mode of operation is for arrange pattern on the spot, adopted by AD
Collection reads and arranges sampled value on the spot；
(c2) calculating arranges value, on the spot subsequently into step (d).
According to above-mentioned implementation method, the key technical indexes of the program control high-voltage power apparatus of the present invention: positive high voltage output model
Enclose 0V～500V；Negative high voltage output area-500V～0V；Output error is less than ± 2V；Output ripple virtual value is less than 10mV.
The using method of program control high-voltage power apparatus comprises the following steps:
(A) it is first turned on power supply, selects mode of operation, select to arrange on the spot with remotely located by front panel keys；
(B) if arranging pattern on the spot, rotating corresponding potentiometer knob, LED shows current High voltage output value in real time,
Magnitude of voltage determines according to demand；
(C) if remotely located pattern, device receives remotely located communication data, and user can be the people of reactivity meter
Machine interactive interface performs arrange operation.
Below by a concrete example, the using method of this high voltage power supply is expanded on further.The object of this example is for surveying
The optimum operating voltage test of examination ionization chamber detector, the data in this test are served only for explanation, do not represent actual tests parameter.
It is first turned on high-voltage power apparatus, under pattern is set on the spot, by regulator potentiometer knob, positive high voltage is set to 500V,
Negative high voltage is set to-200V.Device changes into remotely located pattern, and operator operate at reactivity meter man machine interface and set
Standby, to regulate the stepping of 25V every time, the value that arranges of negative high voltage is changed to-50V from-200V, by reactivity in process of the test
The current value that instrument is measured, determines optimum operating voltage.After change high pressure arranges value every time, can be by reading the equipment of high tension unit
Validation of information configuration information the most normally sends.Send as normal, then 1 minute inner high voltage output valve with the difference of value is set,
In the range of ± 2V, confirm that High voltage output is stable.Such as communication abnormality, the most again send or check communication line.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
It is designed as including by the program control high-voltage power apparatus being applied to reactivity meter owing to have employed: microcontroller, input
Module, D/A conversion module, high pressure sampling module, high-pressure modular, filtration module, described input module, described D/A conversion module, institute
Stating high pressure sampling module to be all connected with described microcontroller, described D/A conversion module is connected with described high-pressure modular, described high pressure
Module is connected with described filtration module, and described filtration module is connected with described high pressure sampling module；Wherein, microcontroller is based on defeated
The input parameter entering module generates control signal, microcontroller output control signal, and after DA changes, output controls voltage, high
Die block exports high-voltage signal according to controlling voltage, the technical scheme that the laggard horizontal high voltage of high-voltage signal module after filtering exports,
So, the high voltage power supply efficiently solving existing reactive configuration exists and can only the most manually regulate High voltage output, limits
Reactivity meter use environment technical problem, and then achieve device can program control regulation High voltage output, device possesses on the spot
Arrange and remotely located two mode of operations, reduce the use requirement of reactivity meter, the high-tension electricity of output high accuracy low ripple
Source, it is possible to directly apply to the technique effect of reactivity meter.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the program control high-voltage power apparatus being applied to reactivity meter, it is characterised in that described device is for reactivity meter
Measured neutron detector provides working power, and described device includes:
Microcontroller, input module, D/A conversion module, high pressure sampling module, high-pressure modular, filtration module, described input module,
Described D/A conversion module, described high pressure sampling module are all connected with described microcontroller, described D/A conversion module and described high pressure
Module connects, and described high-pressure modular is connected with described filtration module, and described filtration module is connected with described high pressure sampling module；Its
In, microcontroller input based on input module parameter generates control signal, microcontroller output control signal, changes through DA
Rear output controls voltage, and high-pressure modular, according to controlling voltage output high-voltage signal, carries out height after high-voltage signal module after filtering
Pressure output.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 1, it is characterised in that described input
Module includes USB communication module and arranges circuit on the spot, parameter that microcontroller receives based on USB communication module or arrange on the spot
The parameter that arranges of circuit transmission generates control signal；Described device also includes LED display module, button, display lamp, power supply electricity
Road, described LED display module, described button, described display lamp are all connected with described microcontroller.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 2, it is characterised in that described power supply
Circuit includes: power supply, on and off switch, power module, and described power module is connected with described on and off switch, described on and off switch with
Described power supply connects.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 2, it is characterised in that microcontroller
It is all connected with the potentiometer and high pressure sampling module arranging circuit on the spot by A/D port, gathers respectively and sampled value is set on the spot
With High voltage output sampled value；Microcontroller is all connected with LED display module, USB communication module and D/A conversion module by serial ports,
Microcontroller sends High voltage output value and shows to LED display module, and microcontroller passes through USB communication module and reactivity meter
Industrial computer between data interact, microcontroller is by control signal output to D/A conversion module, and microcontroller passes through I/O port
Read key-press status and driving means status indicator lamp.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 2, it is characterised in that LED shows
Module includes 7 sections of LED charactrons of two groups 3, controls to drive by MAX7219, and MAX7219 receives the number that microcontroller is sent
According to, drive numeral method current High voltage output value.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 3, it is characterised in that high pressure is sampled
Module uses resistance to carry out dividing potential drop, and the sampled value of High voltage output is reduced to the collectable scope of A/D port；High-pressure modular circuit
Including two integrated modules, output positive high voltage and negative high voltage respectively, high-pressure modular receives the control voltage of DA conversion output, adjusts
Joint High voltage output；Filtration module uses inductance and the LC filter circuit of electric capacity composition；Power circuit uses three terminal regulator, by electricity
The DC voltage of source module output is converted to other magnitudes of voltage.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 3, it is characterised in that button is used for
Selecting the mode of operation of device, be divided into and arrange pattern and remotely located pattern on the spot, display lamp is used for indicating high pressure cabinet to export
The state of high pressure, on and off switch is for controlling the power supply of alternating current power supply and high-pressure modular, and 220V exchange is turned by power module
It is changed to the unidirectional current of 5V, 15V and-15V.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 2, it is characterised in that microcontroller
Circulation execution reading arranges value, output controlling value, reading high pressure sampled value, transmission facility information, sends video data in order,
Being provided with an interruption in microcontroller, this interruption produces when serial ports receives data, verifies data, verify successfully in interruption
Then preserve and result is set, failed then change the corresponding data of facility information.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 2, it is characterised in that described device
High voltage output process particularly as follows:
A () time first device powers on, initialization data；
B () passes through I/O interface querying key-press status, determine mode of operation；
C () judges whether step (b) button is pressed, if if it does not, mode of operation is remotely located pattern, reading remotely located
Value, subsequently into step (d)；If mode of operation is for arranging pattern on the spot, is read by AD port processing and sampled value be set on the spot,
Calculate and value is set on the spot, subsequently into step (d)；
D () calculates the control signal value of high voltage adjusting；
E control signal is exported to DA change-over circuit by () by serial ports；
F () is gathered by AD and reads high pressure sampled value；
G () passes through I/O port drive index lamp；
H facility information is sent to USB communicating circuit by () by serial ports；
I High voltage output value is sent to LED display circuit by () by serial ports.
The program control high-voltage power apparatus being applied to reactivity meter the most according to claim 1, it is characterised in that described dress
Put positive high voltage output area 0V～500V；Negative high voltage output area-500V～0V；Output error is less than ± 2V；Output ripple has
Valid value is less than 10mV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610862198.3A CN106292457A (en) | 2016-09-29 | 2016-09-29 | A kind of program control high-voltage power apparatus being applied to reactivity meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610862198.3A CN106292457A (en) | 2016-09-29 | 2016-09-29 | A kind of program control high-voltage power apparatus being applied to reactivity meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143941A (en) * | 2018-10-19 | 2019-01-04 | 陕西科技大学 | A kind of detector system high voltage power supply and its monitoring method |
| CN111917387A (en) * | 2020-08-13 | 2020-11-10 | 中国核动力研究设计院 | High-speed acquisition system of neutron detector signal |
| CN113238497A (en) * | 2021-04-26 | 2021-08-10 | 核星核电科技(海盐)有限公司 | Small-size portable reactivity appearance based on microcontroller |
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| CN201374645Y (en) * | 2009-02-27 | 2009-12-30 | 天津市森特尔新技术有限公司 | Combined type direct current high voltage power supply used for X-ray streak camera |
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| CN1385772A (en) * | 2001-05-16 | 2002-12-18 | 深圳市中兴通讯股份有限公司上海第二研究所 | High-voltage dc power supply program control system |
| US20070194764A1 (en) * | 2006-02-21 | 2007-08-23 | Per Eriksson | Universal input device for a tap changer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143941A (en) * | 2018-10-19 | 2019-01-04 | 陕西科技大学 | A kind of detector system high voltage power supply and its monitoring method |
| CN111917387A (en) * | 2020-08-13 | 2020-11-10 | 中国核动力研究设计院 | High-speed acquisition system of neutron detector signal |
| CN111917387B (en) * | 2020-08-13 | 2022-05-20 | 中国核动力研究设计院 | High-speed acquisition system for neutron detector signals |
| CN113238497A (en) * | 2021-04-26 | 2021-08-10 | 核星核电科技(海盐)有限公司 | Small-size portable reactivity appearance based on microcontroller |
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Application publication date: 20170104 |