CN214473597U - Current signal multiplication period test system of reactor nuclear test system - Google Patents
Current signal multiplication period test system of reactor nuclear test system Download PDFInfo
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- CN214473597U CN214473597U CN202023331379.4U CN202023331379U CN214473597U CN 214473597 U CN214473597 U CN 214473597U CN 202023331379 U CN202023331379 U CN 202023331379U CN 214473597 U CN214473597 U CN 214473597U
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Abstract
A current signal multiplication period test system of an out-of-core nuclear test system comprises a test subsystem and a control subsystem, wherein the test subsystem comprises a power supply subsystem, a processing subsystem and a conditioning subsystem; in the test subsystem, the power supply subsystem supplies power to the processing subsystem, the conditioning subsystem and the control subsystem; the processing subsystem is provided with a management module which is connected with a controller module in the control subsystem; the conditioning subsystem comprises a high-voltage module, an amplifier module and an operation unit, wherein the operation unit is connected with a digital quantity input module, a digital quantity output module and a precise current source in the control subsystem; the high-voltage module and the amplifier module are both connected with the operation unit; the control subsystem comprises a display unit, the display unit is connected with a controller module, and the controller module is connected with a precision current source.
Description
Technical Field
The patent relates to the technical field of acquisition of small current signals of nuclear detectors in an out-of-pile nuclear test system, in particular to a current signal multiplication period test system of the out-of-pile nuclear test system.
Background
In the prior art, a pure analog device is mostly adopted for collecting small current signals of a detector in a compensation circuit room, and the collected current signals are converted into logarithmic voltage signals for processing by a direct-insertion component, so that the collection precision is not high. Or the current signal conversion adopts a manual knob switch to switch the measuring range, so the operation is time-consuming and complicated.
Disclosure of Invention
The invention aims to: provides a wide-range acquisition and automatic switching device for small current signals. The method realizes the acquisition of the nuclear detector current signal multiplication period in the out-of-pile nuclear measurement system, and achieves the functions of wide-range measurement, automatic range gear switching, high-precision acquisition and the like.
The technical scheme of the invention is as follows: a current signal multiplication period test system of an out-of-core nuclear test system comprises a test subsystem and a control subsystem, wherein the test subsystem comprises a power supply subsystem, a processing subsystem and a conditioning subsystem;
in the test subsystem, the power supply subsystem supplies power to the processing subsystem, the conditioning subsystem and the control subsystem;
the processing subsystem is provided with a management module which is connected with a controller module in the control subsystem;
the conditioning subsystem comprises a high-voltage module, an amplifier module and an operation unit, wherein the operation unit is connected with a digital quantity input module, a digital quantity output module and a precise current source in the control subsystem; the high-voltage module and the amplifier module are both connected with the operation unit;
the control subsystem comprises a display unit, the display unit is connected with a controller module, and the controller module is connected with a precision current source.
The power subsystem introduces 220V dc power.
The conditioning subsystem converts the low current signal of the detector into a voltage signal.
The invention has the following remarkable effects:
1. the signal automatically switches the range and the periodic gear, the precise current source outputs current, and the current output range is wide.
2. The acquisition precision is high, and the anti-interference capability is high.
3. The automatic testing method is adopted, so that the testing is easy, the labor and working hour costs are reduced, and the automatic testing of the equipment is realized.
Drawings
FIG. 1 is a schematic diagram of a current signal multiplication period testing system of an out-of-core nuclear testing system;
in the figure: 1, a test subsystem, 2 a control subsystem, 3 a power supply subsystem, 4 a processing subsystem and 5 a conditioning subsystem; the device comprises a display unit 6, a digital input module 7, a digital output module 8, a controller module 9, a precision current source 10, a management module 11, a high-voltage module 12, an amplifier module 13 and an operation unit 14.
Detailed Description
The current signal multiplication period test system of the out-of-core nuclear test system comprises a test subsystem 1 and a control subsystem 2, wherein the test subsystem 1 comprises a power supply subsystem 3, a processing subsystem 4 and a conditioning subsystem 5.
In the test subsystem 1, a 220V direct current power supply is introduced into a power supply subsystem 3 to supply power to a processing subsystem 4, a conditioning subsystem 5 and a control subsystem 2, after the test subsystem 1 gives out test access signal enabling, a control instruction sent out by the control subsystem 2 starts a current value periodic multiplication test, sends out periodic multiplication current to the conditioning subsystem 5, and sends processed data to the processing subsystem 4.
The processing subsystem 4 is provided with a management module 11, and the management module 11 is connected with the controller module 9 in the control subsystem 2;
the conditioning subsystem 5 comprises a high-voltage module 12, an amplifier module 13 and an operation unit 14, wherein the operation unit 14 is connected with a digital input module 7, a digital output module 8 and a precise current source 10 in the control subsystem 2, and part of the main functions of the conditioning subsystem 5 are to convert a small current signal of a detector into a voltage signal and output the voltage signal to the processing subsystem 4, and meet the precision and response time required by the system. The conditioning subsystem 5 is divided into two parts, wherein the first part is a front-end module which is directly connected with the detector and mainly used for acquiring a current signal or a self-checking signal of the detector and converting the current signal or the self-checking signal into a voltage signal; the second part is a main amplifier module, which comprises a power supply processing module, a voltage isolation output module, a gear and working mode isolation control module, a board card state monitoring module and the like. The main function is to realize signal gear adjustment, amplify voltage signals and isolate and output the voltage signals to the conditioning subsystem 5.
The control subsystem 2 comprises a display unit 6, the display unit 6 is connected with a controller module 9, and the controller module 9 is connected with a precision current source 10; after the digital quantity input module 7 in the control subsystem 2 detects that the operation unit 14 in the test subsystem 1 sends a test self-test enabling signal to the amplifier module 13, a current value period multiplication test can be started, a test command is written into the amplifier module 13, the current value period multiplication time is controlled to be 3 seconds, 6 seconds, 18 seconds and 30 seconds respectively in the controller module 9, the precision current source 10 is controlled to output current signals which increase along with time indexes, analog quantity data corresponding to the current value period multiplication are calculated through the processing subsystem, and the current value period multiplication data of the processing subsystem in the subsystem 11 are read through the RJ45 network interface.
Claims (3)
1. The utility model provides a nuclear test system current signal multiplication cycle test system outside heap which characterized in that: the device comprises a testing subsystem (1) and a control subsystem (2), wherein the testing subsystem (1) comprises a power supply subsystem (3), a processing subsystem (4) and a conditioning subsystem (5);
in the test subsystem (1), a power supply subsystem (3) supplies power to a processing subsystem (4), a conditioning subsystem (5) and a control subsystem (2);
the processing subsystem (4) is provided with a management module (11), and the management module (11) is connected with a controller module (9) in the control subsystem (2);
the conditioning subsystem (5) comprises a high-voltage module (12), an amplifier module (13) and an operation unit (14), wherein the operation unit (14) is connected with a digital quantity input module (7), a digital quantity output module (8) and a precision current source (10) in the control subsystem (2); the high-voltage module (12) and the amplifier module (13) are both connected with an operation unit (14);
the control subsystem (2) comprises a display unit (6), the display unit (6) is connected with a controller module (9), and the controller module (9) is connected with a precision current source (10).
2. The system for testing the multiplication period of the current signal of the nuclear reactor nuclear test system according to claim 1, wherein: the power supply subsystem (3) introduces 220V direct current power supply.
3. The system for testing the multiplication period of the current signal of the nuclear reactor nuclear test system according to claim 1, wherein: the conditioning subsystem (5) converts the low current signal of the detector into a voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331379.4U CN214473597U (en) | 2020-12-30 | 2020-12-30 | Current signal multiplication period test system of reactor nuclear test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331379.4U CN214473597U (en) | 2020-12-30 | 2020-12-30 | Current signal multiplication period test system of reactor nuclear test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214473597U true CN214473597U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023331379.4U Active CN214473597U (en) | 2020-12-30 | 2020-12-30 | Current signal multiplication period test system of reactor nuclear test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN214473597U (en) |
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- 2020-12-30 CN CN202023331379.4U patent/CN214473597U/en active Active
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