CN211264973U - Intelligent measurement cabinet for rod position of control rod driving mechanism - Google Patents
Intelligent measurement cabinet for rod position of control rod driving mechanism Download PDFInfo
- Publication number
- CN211264973U CN211264973U CN201921920907.4U CN201921920907U CN211264973U CN 211264973 U CN211264973 U CN 211264973U CN 201921920907 U CN201921920907 U CN 201921920907U CN 211264973 U CN211264973 U CN 211264973U
- Authority
- CN
- China
- Prior art keywords
- circuit
- cabinet
- power supply
- rod
- intelligent
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model discloses an intelligent measurement cabinet for rod position of a control rod driving mechanism, which comprises a cabinet body, wherein the cabinet is divided into an upper layer, a middle layer and a lower layer, a plurality of stations are arranged on the upper layer and the middle layer, the intelligent measurement modules for monitoring single rod position of a reactor are respectively placed in an isolated manner, the lower layer is a terminal board for arranging an inlet and outlet wire interface, and a touch display screen is arranged outside the front section of the cabinet body; and each station is respectively used for arranging a monitoring subunit. The utility model discloses a switch board sets up reasonable station, sets up the intellectual detection system module who is used for controlling single stick position detection respectively on the station to when realizing the independent operation to single stick position detection control, have the common integrated management that can realize a plurality of stations, thereby make the precision and the stability that stick position detected improve greatly through adopting two redundant power supply circuit combination relay switch when convenient control and monitoring, improve monitoring measurement reliability greatly.
Description
Technical Field
The utility model relates to a nuclear power equipment technical field especially relates to a control rod drive mechanism stick position intelligence measurement cabinet.
Background
At present, the reactor control rods generally comprise several types of compensation rods, regulating rods, safety rods and passive rods, and each reactor is provided with a plurality of control rods according to the single reactor capacity and the reactor principle and used for realizing the functions of regulating and controlling the reactor reactivity and safely shutting down the reactor.
In order to realize accurate and safe control of the control rods, the discrete and continuous rod position positions of each control rod need to be detected in real time. The continuous position detection, the discrete position detection and the position switch of each control rod position realize the power supply excitation and the conversion of position signals by corresponding detection devices. The rod position measuring cabinet processes the position signals returned by the detection devices, and then converts the position signals into standard analog quantity signals and digital quantity signals, and returns the standard analog quantity signals and the digital quantity signals to the rod position control cabinet.
The number of the control rods of one reactor is from several to dozens, and each control rod signal consists of a continuous position excitation signal, a continuous position detection signal and a terminal position state switching value signal, so that the rod position detection signals of each reactor are very large; the nuclear power station reactor has limited space, and needs to be combined with the existing detection technology to research and design a rod position intelligent measuring cabinet with high integration level and reliability, so that various signals can be processed intelligently and digitally. The utility model adopts a modular design, one measuring cabinet integrates 8-12 rod position intelligent measuring modules, and each intelligent measuring module integrates all continuous and discrete signal devices of a single rod position; the measuring cabinet outputs standard analog quantity signals and digital quantity signals, and each measuring cabinet can detect 8-12 driving mechanism rod positions in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control rod drive mechanism stick position intelligent measurement cabinet can the integrated stick position intelligent measurement who realizes all kinds of control rods of modularization, and then constitutes stick position measurement system, realizes the position detection function of reactor control rod.
The utility model adopts the technical proposal that:
an intelligent measurement cabinet for rod positions of a control rod driving mechanism comprises a cabinet body, wherein the cabinet body is divided into an upper layer, a middle layer and a lower layer, a plurality of stations are arranged on the upper layer and the middle layer, intelligent measurement modules for monitoring the rod positions of single rods of a reactor are respectively placed in an isolated mode, a terminal board for arranging wire inlet and outlet interfaces is arranged on the lower layer, and a touch display screen is arranged outside the front section of the cabinet body; the intelligent reactor single-rod monitoring system is characterized in that each station is respectively provided with a monitoring subunit, each monitoring subunit comprises an intelligent measuring module, an indicator lamp module for displaying the rod position state, a touch display screen, a communication unit and a power distribution unit, the intelligent measuring module is connected with a position sensor corresponding to a reactor single rod through a terminal board, the output end of the intelligent measuring module is respectively connected with a reaction rod driving mechanism and the touch display screen through wires, the touch display screen is connected with an upper computer through the communication unit, and the power distribution unit is used for supplying power to the position sensor, the communication unit, the indicator lamp unit and the intelligent measuring module.
The number of the stations is 8-12.
A heat dissipation air duct is correspondingly arranged at the position, corresponding to the rear wall of the cabinet body, of each station, and the air ducts are vertically distributed, so that the cabinet body and the detection module are convenient to dissipate heat;
the rod position intelligent measurement cabinet top set up redundant centrifugal fan, guarantee whole cabinet body radiating effect.
The cabinet body be visual cabinet body, conveniently look over the running state of each stick position.
Distribution power supply be two tunnel powers, emergent uninterrupted power supply system that exchanges all the way, SBO power of the same kind provides control power for whole stick position measurement cabinet, the intelligent measurement module of every stick position inserts this cabinet two tunnel inlet wire power through protection switch, realizes the redundant power supply of intelligent measurement module.
The intelligent measuring module comprises a terminal board, a first detection module and a second detection module; the terminal board is provided with a high-impedance differential amplifying circuit, an excitation power supply redundant output circuit, a power supply redundant circuit, a switching value position signal output circuit and a switching value redundant circuit;
the first detection module is provided with a signal processing circuit, an excitation power circuit, a power conversion circuit, a central processing unit and a relay output end circuit; the input end of the high-resistance state differential amplifying circuit is connected with the data output end of the position sensor, the output end of the high-resistance state differential amplifying circuit is connected with the input end of the signal processing circuit, the output end of the central processing unit is connected with the input end of the excitation power supply redundant output circuit through the excitation power supply circuit, and the output end of the excitation power supply redundant output circuit is connected with the input end of the position sensor;
the control output end of the central processing unit is connected with the input end of the switching value redundancy circuit through the relay output circuit, and the switching value redundancy circuit is used for outputting a switching value position signal;
the input end of the power supply redundant circuit is connected with the power distribution power supply inlet wire, and the output end of the power supply redundant circuit is connected with the input end of the central processing unit through the power supply conversion circuit;
the second detection module and the first detection module have the same structure, and the connection relationship between the second detection module and the terminal board is the same as that between the first detection module and the terminal board.
The relay output circuit comprises seven paths of switch control, namely one path of control excitation power output, one path of control power input, one path of control fault output and four paths of position signal switching value output.
The central processing unit comprises a DSP and an auxiliary peripheral circuit thereof.
The signal processing circuit is used for converting the alternating voltage signal into a voltage signal of 0-3V, transmitting the signal to the DSP analog-to-digital conversion module and converting the analog voltage signal into a digital signal.
The first detection module and the second detection module are respectively and fixedly arranged on the first detection plate and the second detection plate with the interface terminals.
The utility model discloses a switch board sets up reasonable station, sets up the intellectual detection system module who is used for controlling single stick position detection respectively on the station to when realizing the independent operation to single stick position detection control, have the common integrated management that can realize a plurality of stations, thereby make the precision and the stability that stick position detected improve greatly through adopting two redundant power supply circuit combination relay switch when convenient control and monitoring, improve monitoring measurement reliability greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic block diagram of an intelligent measurement module according to the present invention;
fig. 3 is a schematic diagram of the state of the relay output circuit when the main detection board works;
fig. 4 is the state diagram of the relay output circuit when the standby detection board works.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, 2, 3 and 4, the utility model comprises a cabinet body 1, the cabinet is divided into an upper layer 4, a middle layer 3 and a lower layer 2, the upper layer and the middle layer are provided with a plurality of stations, monitoring subunits for monitoring the single rod position of the reactor are respectively placed in an isolated manner, the lower layer 2 is a terminal board for arranging an inlet and outlet wire interface, and a touch display screen 5 is arranged outside the front section of the cabinet body; the intelligent reactor monitoring system is characterized in that each station is respectively provided with a monitoring subunit, each monitoring subunit comprises an intelligent measuring module 8, an indicator lamp module used for displaying the rod position state, a communication unit and a power distribution unit, the intelligent measuring module 8 is connected with a position sensor corresponding to a reactor single rod through a terminal board, the output end of the intelligent measuring module is connected with a touch display screen through a line, the touch display screen 5 is connected with an upper computer through the communication unit, and the power distribution unit is used for supplying power to the position sensor, the communication unit, the indicator lamp unit and the intelligent measuring module.
The number of the stations is 8-12. A heat dissipation air duct 7 is correspondingly arranged on each station corresponding to the rear wall of the cabinet body, and the air ducts are vertically distributed, so that the cabinet body and the intelligent measurement module can conveniently dissipate heat; bar position intelligence measurement cabinet top set up redundant centrifugal fan 6, guarantee the radiating effect of the whole cabinet body 1. The cabinet body be visual cabinet body, conveniently look over the running state of each stick position.
Survey the cabinet and can integrate 8 ~ 12 excellent position intelligent measurement modules in a flexible way, every intelligent measurement module comprises terminal block, pick-up plate 1 and pick-up plate 2 triplex: the terminal board consists of a power supply circuit, a sensor signal acquisition circuit, a detection board connecting terminal, an excitation power supply output circuit and a switch signal output circuit; the detection board 1 and the detection board 2 are composed of a CPU, a peripheral auxiliary circuit, a sensor power supply excitation circuit and a relay control circuit, and the detection board 1 and the detection board 2 are mutually redundant.
The intelligent measurement module integrates all continuous and discrete signal devices of a single rod position; the measuring cabinet outputs standard analog quantity signals and digital quantity signals. The intelligent measurement module can be integrated with the rod driving device to realize a single rod control and rod position independent system, and can also be integrated together to form an intelligent measurement cabinet. The intelligent measurement cabinet realize that 8 ~ 12 way stick position signals are independent collection each other, stick position measurement module and stick actuating mechanism one-to-one realize that single stick is integrated to be gathered promptly and realize the independent signal transmission between the stick again.
Each measuring cabinet is connected with the rod driving mechanism through a configured terminal strip, the plurality of measuring cabinets are structurally connected in a collinear mode through a cabinet combining mode and a power supply small bus to form an integral rod position detecting system, and rod position signals of all rod driving mechanisms of the reactor can be measured in a hard wiring mode and a communication mode. Each measuring cabinet can also be provided with a single intelligent measuring module and a single rod driving cabinet to form a single rod control and rod position measuring system.
The inlet wire power supply of the measuring cabinet is two paths of power supplies, one path of emergency alternating current uninterrupted power supply system and the other path of SBO power supply, and the inlet wire power supply of the measuring cabinet provides a control power supply for the whole rod position measuring cabinet. And each rod position measuring module is connected with the two paths of inlet wire power supplies of the cabinet through a protection switch, so that redundant power supply of the intelligent measuring module is realized. And each measuring module of the rod position measuring cabinet independently provides power for all the rod position acquisition sensors of one control rod driving mechanism.
And each measuring module outputs digital quantity and analog quantity which are sent to the rod control system through the cabinet body terminal. The power supply control module of the rod position intelligent measuring cabinet is positioned at the front part of the cabinet body, so that the operation of a user is facilitated; 8 ~ 12 stick position intelligent measurement modules are located cabinet body upper portion, and the layering is placed.
Stick position intelligence measurement cabinet adopts the cabinet top to set up redundant centrifugal fan, guarantees whole cabinet body radiating effect. The intelligent rod position measuring cabinet is designed into a visual cabinet body, a touch screen is arranged at the front end of the cabinet body, and the operating state of each rod position can be displayed.
According to the standardized design principle, each rod position intelligent measurement cabinet internally comprises an intelligent measurement module, a power distribution unit, a circuit breaker and a filtering module. The electrical block diagram of the rod position measuring cabinet is shown in the attached figure 1, and the dotted line frame in the figure is the rod position measuring cabinet. 8-12 rod position intelligent measuring modules can be arranged in the rod position intelligent measuring cabinet, and each intelligent measuring module comprises a terminal board, a first detection module and a second detection module; the terminal board is provided with a high-impedance differential amplifying circuit, an excitation power supply redundant output circuit, a power supply redundant circuit, a switching value position signal output circuit and a switching value redundant circuit;
the first detection module is provided with a signal processing circuit, an excitation power circuit, a power conversion circuit, a central processing unit and a relay output end circuit; the input end of the high-resistance state differential amplifying circuit is connected with the data output end of the position sensor, the output end of the high-resistance state differential amplifying circuit is connected with the input end of the signal processing circuit, the output end of the central processing unit is connected with the input end of the excitation power supply redundant output circuit through the excitation power supply circuit, and the output end of the excitation power supply redundant output circuit is connected with the input end of the position sensor;
the control output end of the central processing unit is connected with the input end of the switching value redundancy circuit through the relay output circuit, and the switching value redundancy circuit is used for outputting a switching value position signal;
the input end of the power supply redundant circuit is connected with the power distribution power supply inlet wire, and the output end of the power supply redundant circuit is connected with the input end of the central processing unit through the power supply conversion circuit;
the second detection module and the first detection module have the same structure, and the connection relationship between the second detection module and the terminal board is the same as that between the first detection module and the terminal board.
The relay output circuit comprises seven paths of switch control, namely one path of control excitation power output, one path of control power input, one path of control fault output and four paths of position signal switching value output. The central processing unit comprises a DSP and an auxiliary peripheral circuit thereof. The signal processing circuit is used for converting the alternating voltage signal into a voltage signal of 0-3V, transmitting the signal to the DSP analog-to-digital conversion module and converting the analog voltage signal into a digital signal. The first detection module and the second detection module are respectively and fixedly arranged on the first detection plate and the second detection plate with the interface terminals. The interface terminal is an anti-reverse-plugging interface terminal.
The output signal of the position sensor is converted into a corresponding voltage signal through a high internal resistance differential circuit, and the analog voltage signal is converted into a digital signal through a DSP analog-to-digital conversion module for processing. The utility model discloses a second pick-up plate adopts the circuit board setting with first pick-up plate in the in-service use, marks 1# pick-up plate and 2# pick-up plate respectively, and the two is two integrated circuit boards that software and hardware design are identical. The device consists of a sensor excitation power supply circuit, a position signal processing circuit, a digital signal processing chip (DSP), a processor peripheral auxiliary circuit and a relay output circuit. Be responsible for entire system signal acquisition, position judgement and logic control (and the judgement of position is prior art, not the utility model discloses a point, so no longer give unnecessary details here), two integrated circuit boards are each other redundant, improve the reliability of real individual system.
A sensor excitation power circuit on the detection plate outputs an excitation power supply required by the position sensor under the control of the DSP, and the excitation power supply is output to an excitation coil of the position sensor on a terminal board through an excitation power supply redundant output circuit; the position sensor induction coil outputs corresponding current signals, the corresponding current signals are converted into voltage signals which can be directly processed by the detection plate on the port plate through a high-impedance differential amplification circuit, and the voltage signals are respectively sent to a 1# detection plate and a 2# detection plate through a plug terminal 1 and a plug terminal 2; the detection board converts an alternating voltage signal into a voltage signal of 0-3V through the position signal processing circuit, transmits the voltage signal to the DSP analog-to-digital conversion module, converts an analog voltage signal into a digital signal, and judges whether a measured object reaches the position through calculation and analysis, so that the relay output circuit controls the actuation of the relay to convert the position signal into a switching value signal; the normally open contacts of the relays of the 1# detection plate and the 2# detection plate are connected in parallel through a switching value position signal output circuit at a terminal board to output position signals.
Different circuits are arranged on the terminal board aiming at the master-slave selection pins corresponding to the two connectors of the first plug-in terminal and the second plug-in terminal, wherein the master-slave selection pin of the first plug-in terminal is connected with a logic low level, and the master-slave selection pin of the second plug-in terminal is suspended. The detection board inserted to the first dock terminal is selected as a master detection board, and the detection board inserted to the second dock terminal is selected as a slave detection board.
And the main detection board outputs a normal excitation power supply and performs complete logic operation and position output functions on the received signals under a normal working state. At the moment, the slave detection board is in a standby state, and whether the main detection board has a fault or not is continuously detected through a fault input pin; when the main detection board is in fault, the power supply of the main detection board is automatically cut off, and the slave detection board immediately starts to work. The detection board outputs a position sensor excitation power supply under the control of the DSP, the position sensor induction coil outputs corresponding current signals, and the corresponding current signals are converted into corresponding voltage signals on the port board through a high internal resistance differential circuit and respectively sent to the 1# detection board and the 2# detection board; the analog voltage signal is converted into a digital signal through the DSP analog-to-digital conversion module, and whether the measured object reaches the position is judged through calculation and analysis, so that the attraction of the relay is controlled, and the position signal is output.
And the main detection board outputs a normal excitation power supply and performs complete logic operation and position output functions on the received signals under a normal working state. At this time, the slave detection board is in a standby state, and whether the master detection board has a fault is continuously detected through the fault input pin, wherein each detection period is 100us, as shown in fig. 2; when the main detection board is in fault, the power supply of the main detection board is automatically cut off, and the slave detection board immediately starts to work.
The utility model discloses a trial range is wide: the direct-current resistance of the coil of the electromagnetic position sensor is different at different temperatures, and the DSP calculates the ambient temperature of the position sensor through the relation between the voltage and the current applied to the exciting coil, so that the position sensor can be reliably used in the whole temperature range through temperature correction.
The utility model discloses realize terminal position signal's digital conversion design to send the signal to stick accuse system. And realizing the digital conversion of the continuous rod position angle signals and sending the signals to a rod control system. The rod position intelligent measuring cabinet adopts a standardized design principle, has the width of 600mm and 800mm standard widths, and can be respectively provided with 8 and 12 rod position intelligent measuring modules correspondingly. According to the requirement, a plurality of measuring cabinets such as 2, 4 and 6 can be adopted to form the whole reactor rod position measuring system, and the measurement and transmission of rod position signals of all control rod driving mechanisms of one reactor are realized. The intelligent measurement cabinet adopts a double-circuit power supply redundant power distribution technology. The intelligent measurement module matched with the intelligent measurement cabinet performs high-precision conversion processing based on a DSP intelligent core, and the switching during the fault is performed by adopting a master-slave redundancy detection board card design technology, so that the measurement reliability of the module is improved. This intelligence measurement cabinet adopts N +1 technique configuration cooling blower to realize redundant cooling system, improves cooling system reliability.
The intelligent measurement cabinet adopts standard section bars, the interior of the cabinet is divided into an upper layer, a middle layer and a lower layer which are arranged in space, the upper layer and the middle layer are intelligent modules, and the lower layer is provided with an inlet and outlet wire interface terminal board.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a control rod drive mechanism stick position intelligence measurement cabinet which characterized in that: the intelligent measuring device comprises a cabinet body, wherein the cabinet body is divided into an upper layer, a middle layer and a lower layer, a plurality of stations are arranged on the upper layer and the middle layer, intelligent measuring modules for monitoring the rod positions of single rods of a reactor are respectively placed in an isolated mode, a terminal board for arranging an inlet and outlet wire interface is arranged on the lower layer, and a touch display screen is arranged outside the front section of the cabinet body; the intelligent reactor single-rod monitoring system is characterized in that each station is respectively provided with a monitoring subunit, each monitoring subunit comprises an intelligent measuring module, an indicator lamp module for displaying the rod position state, a touch display screen, a communication unit and a power distribution unit, the intelligent measuring module is connected with a position sensor corresponding to a reactor single rod through a terminal board, the output end of the intelligent measuring module is respectively connected with a reaction rod driving mechanism and the touch display screen through wires, the touch display screen is connected with an upper computer through the communication unit, and the power distribution unit is used for supplying power to the position sensor, the communication unit, the indicator lamp unit and the intelligent measuring module.
2. The crdm rod position intelligent measurement cabinet as set forth in claim 1, wherein: the number of the stations is 8-12.
3. The crdm rod position intelligent measurement cabinet as set forth in claim 1, wherein: and a heat dissipation air duct is correspondingly arranged at the position, corresponding to the rear wall of the cabinet body, of each station, and the air ducts are vertically distributed, so that the cabinet body and the detection module are convenient to dissipate heat.
4. The crdm rod position intelligent measurement cabinet as set forth in claim 1, wherein: the rod position intelligent measurement cabinet top set up redundant centrifugal fan, guarantee whole cabinet body radiating effect.
5. The crdm rod position intelligent measurement cabinet as set forth in claim 1, wherein: the cabinet body be visual cabinet body, conveniently look over the running state of each stick position.
6. The crdm rod position intelligent measurement cabinet as set forth in claim 1, wherein: the power distribution unit be two way powers, emergent uninterrupted power supply system that exchanges all the way, SBO power of the same kind provides control power for whole stick position measurement cabinet, the intelligent measurement module of every stick position inserts this cabinet two way inlet wire power through protection switch, realizes the redundant power supply of intelligent measurement module.
7. The crdm rod position intelligent measurement cabinet as set forth in any one of claims 1 to 6, wherein: the intelligent measuring module comprises a terminal board, a first detection module and a second detection module; the terminal board is provided with a high-impedance differential amplifying circuit, an excitation power supply redundant output circuit, a power supply redundant circuit, a switching value position signal output circuit and a switching value redundant circuit;
the first detection module is provided with a signal processing circuit, an excitation power circuit, a power conversion circuit, a central processing unit and a relay output end circuit; the input end of the high-resistance state differential amplifying circuit is connected with the data output end of the position sensor, the output end of the high-resistance state differential amplifying circuit is connected with the input end of the signal processing circuit, the output end of the central processing unit is connected with the input end of the excitation power supply redundant output circuit through the excitation power supply circuit, and the output end of the excitation power supply redundant output circuit is connected with the input end of the position sensor;
the control output end of the central processing unit is connected with the input end of the switching value redundancy circuit through the relay output circuit, and the switching value redundancy circuit is used for outputting a switching value position signal;
the input end of the power supply redundant circuit is connected with the power distribution power supply inlet wire, and the output end of the power supply redundant circuit is connected with the input end of the central processing unit through the power supply conversion circuit;
the second detection module and the first detection module have the same structure, and the connection relationship between the second detection module and the terminal board is the same as that between the first detection module and the terminal board;
the relay output circuit comprises seven paths of switch control, namely one path of control excitation power output, one path of control power input, one path of control fault output and four paths of position signal switching value output.
8. The crdm rod position intelligent measurement cabinet as set forth in claim 7, wherein: the central processing unit comprises a DSP and an auxiliary peripheral circuit thereof.
9. The crdm rod position intelligent measurement cabinet as set forth in claim 7, wherein: the signal processing circuit is used for converting the alternating voltage signal into a voltage signal of 0-3V, transmitting the signal to the DSP analog-to-digital conversion module and converting the analog voltage signal into a digital signal.
10. The crdm rod position intelligent measurement cabinet as set forth in claim 7, wherein: the first detection module and the second detection module are respectively and fixedly arranged on the first detection plate and the second detection plate with the interface terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920907.4U CN211264973U (en) | 2019-11-08 | 2019-11-08 | Intelligent measurement cabinet for rod position of control rod driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920907.4U CN211264973U (en) | 2019-11-08 | 2019-11-08 | Intelligent measurement cabinet for rod position of control rod driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264973U true CN211264973U (en) | 2020-08-14 |
Family
ID=71959760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920907.4U Active CN211264973U (en) | 2019-11-08 | 2019-11-08 | Intelligent measurement cabinet for rod position of control rod driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211264973U (en) |
-
2019
- 2019-11-08 CN CN201921920907.4U patent/CN211264973U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211264973U (en) | Intelligent measurement cabinet for rod position of control rod driving mechanism | |
| CN109115283A (en) | Novel touch wire diameter current temperature comprehensive test device | |
| CN110689976A (en) | Intelligent measurement cabinet for rod position of control rod driving mechanism | |
| KR101415269B1 (en) | Power Distribution Panel Capable of Controlling on Real Time | |
| CN211123117U (en) | Check meter for insulation monitoring device of direct current system | |
| CN112165162B (en) | Ground power supply control system of carrier rocket | |
| CN114325149A (en) | Special robot electrical fault diagnosis system | |
| CN211698019U (en) | Load information display device and display system | |
| CN208461451U (en) | A kind of operation of power networks safety guard | |
| CN220584374U (en) | Train first cabinet monitored control system | |
| CN214479006U (en) | Drawer cabinet and connector thereof | |
| CN111342367A (en) | Traction substation comprehensive lightning protection screen cabinet | |
| CN209963485U (en) | Hot plug type power distribution terminal | |
| CN213754082U (en) | Static change over switch distribution system of data center | |
| CN209963484U (en) | Hot plug type power distribution terminal | |
| CN212694302U (en) | HTC temperature control system | |
| CN213151426U (en) | Traction substation comprehensive lightning protection screen cabinet | |
| CN220625608U (en) | Acquisition device and containment overall tightness test system | |
| CN213602427U (en) | High-voltage battery pack management system | |
| CN219612385U (en) | High-voltage control box for liquid cooling, high-voltage battery control system and energy storage system | |
| RU223132U1 (en) | Power distribution unit with monitoring and control of each outlet | |
| CN219223955U (en) | Temperature monitoring system | |
| CN212905409U (en) | Automatic electric power meter calibrating device and system thereof | |
| CN212231079U (en) | Novel three-phase safety circuit | |
| CN217156766U (en) | Car lamp lighting test system based on high-precision voltage and current double-display meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |