CN109327028B - Voltage display and control device for voltage control board card of nuclear power station - Google Patents
Voltage display and control device for voltage control board card of nuclear power station Download PDFInfo
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- CN109327028B CN109327028B CN201811311976.5A CN201811311976A CN109327028B CN 109327028 B CN109327028 B CN 109327028B CN 201811311976 A CN201811311976 A CN 201811311976A CN 109327028 B CN109327028 B CN 109327028B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
Abstract
The invention relates to a board card voltage display and control device for voltage control of a nuclear power station. The detection module is used for detecting and displaying the voltage of the circuit to be detected. The control module can control the working mode of the electric connection board card by controlling the voltage of the electric connection board card. And the board card voltage detection and control device is used for remotely detecting the control board card so as to ensure the normal work of the control board card. When the board card has a fault, the control module can send a control command to the board card, so that the regulation of the system voltage by the board card follows the control command of the control module, and the stable operation of the nuclear power station system is facilitated. In addition, the state switching module can also switch the working state of the detection module and the control module, so that the detection module and the control module can work alternatively, and the fault operation of the detection module on the board voltage display and control device during working is avoided.
Description
Technical Field
The invention relates to the technical field of voltage control of nuclear power stations, in particular to a voltage detection and control device for a voltage control board card of a nuclear power station.
Background
Nuclear power plants are power plants that use the energy released by nuclear fission reactions to generate electrical energy. The nuclear power plant system generally uses a memory board card with a built-in memory as a control board card for controlling the voltage stability of the nuclear power plant system.
The applicant found in the course of implementing the conventional technique that: in the operation process of the nuclear power station system, a remote detection device for the control board card is lacked, and the normal work of the control board card cannot be guaranteed, so that the stable operation of the nuclear power station system is influenced.
Disclosure of Invention
Therefore, it is necessary to provide a voltage detection and control device for a voltage control board of a nuclear power plant, aiming at the problem that a remote detection device for the control board is lacked in the conventional technology.
The utility model provides a be used for nuclear power station voltage control integrated circuit board voltage to show and controlling means, includes: the detection module is electrically connected with the tested circuit of the board card so as to acquire and display the voltage of the tested circuit; the control module is electrically connected with the board card so as to output a control signal to the board card; the state switching module comprises a control state switching module and a detection state switching module, and the control state switching module and the detection state switching module select one to work; when the control state switching module works, the control module outputs a control signal to the board card; when the detection state switching module works, the detection module acquires the voltage of the circuit to be detected.
The board card voltage display and control device comprises a detection module, a control module and a state switching module. The detection module is used for detecting and displaying the voltage of the circuit to be detected. The control module can control the working mode of the card by controlling the voltage of the electrically connected card. The board card voltage detection and control device is used for remotely detecting the control board card, so that the normal work of the control board card is ensured. When the board card has a fault, the control module can send a control command to the board card, so that the regulation of the system voltage by the board card follows the control command of the control module, and the stable operation of the nuclear power station system is facilitated. In addition, the state switching module can also switch the working state of the detection module and the control module, so that the detection module and the control module can work alternatively, and the fault operation of the detection module on the board voltage display and control device during working is avoided.
In one embodiment, the board voltage display and control device further includes a voltage signal input module electrically connected to the control module and the state switching module, respectively, so as to provide voltage signals to the control module and the state switching module.
In one embodiment, the control state switching module includes: the control state switching terminal is used for outputting a control signal so that the control module outputs the control signal to the board card; and the control switch assembly is electrically connected between the control state switching terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the control state switching terminal.
In one embodiment, the detection state switching module includes: the detection state switching terminal is used for outputting a detection signal so that the detection module acquires the voltage of the circuit to be detected; and the detection switch assembly is electrically connected between the detection state switching terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the detection state switching terminal.
In one embodiment, the control module comprises an ascending control module, a descending control module and an accelerating control module; the ascending control module, the descending control module and the accelerating control module are respectively electrically connected with the board card so as to respectively output control signals to the board card.
In one embodiment, the ascent control module includes: a rise control terminal for outputting a rise control signal; and the rising switch assembly is electrically connected between the rising control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the rising control terminal.
In one embodiment, the descent control module comprises: a falling control terminal for outputting a falling control signal; and the descending switch assembly is electrically connected between the descending control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the descending control terminal.
In one embodiment, the acceleration control module comprises: an acceleration control terminal for outputting an acceleration control signal; the first acceleration switch assembly is electrically connected between the acceleration control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the acceleration control terminal; the first acceleration switch assembly is matched with the ascending control module; the second acceleration switch assembly is electrically connected between the acceleration control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the acceleration control terminal; the second acceleration switch assembly is matched with the descending control module.
In one embodiment, the detection module includes a detection unit, a voltage dividing unit electrically connected in series with the detection unit, and a protection unit electrically connected in parallel with the detection unit.
In one embodiment, the detection unit comprises an electromagnet and a pointer driven by the electromagnet, and the electromagnet is electrically connected with the circuit to be tested, so that when the circuit to be tested is powered on, the electromagnet has magnetism and drives the pointer.
Drawings
Fig. 1 is a circuit diagram of a control state switching module according to an embodiment of the present application.
Fig. 2 is a circuit diagram of a detection state switching module according to an embodiment of the present application.
FIG. 3 is a schematic diagram of a portion of a circuit of the ascent control module and the acceleration control module according to an embodiment of the present application.
FIG. 4 is a schematic diagram of a portion of a droop control module and an acceleration control module in accordance with an embodiment of the present disclosure.
Fig. 5 is a schematic circuit diagram of a detection module according to an embodiment of the present application.
Fig. 6 is a general circuit diagram of a board voltage detection and control device according to an embodiment of the present application.
Fig. 7 is a schematic diagram of a panel structure of a board voltage detection and control device according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The application provides a voltage detection and control device for detecting a control board card, which is generally used for voltage control of a nuclear power station. The device comprises a detection module, a control module and a state switching module. The detection module is electrically connected with a detected circuit of the detected control board card so as to obtain and display the voltage of the detected circuit. The control module and the detection module work independently and are used for sending control signals to the control board card and controlling the voltage of the board card electrically connected with the control module.
The state switching module comprises a control state switching module and a detection state switching module. When the control state switching module works, the control module outputs a control signal to the board card so as to control the voltage of the board card electrically connected with the control module. When the detection state switching module works, the detection module acquires the voltage of the electrically connected tested circuit. In other words, the state switching module is equivalent to a controller in an operating state, and can control the control module and the detection module to perform an operation alternatively.
The board card voltage display and control device comprises a detection module, a control module and a state switching module. The detection module is used for detecting and displaying the voltage of the circuit to be detected. The control module can control the working mode of the card by controlling the voltage of the electrically connected card. The board card voltage detection and control device is used for remotely detecting the voltage of the control board card, so that the normal work of the control board card is ensured. When the board card has a fault, the control module can send a control command to the board card, so that the regulation of the system voltage by the board card follows the control command of the control module, and the stable operation of the nuclear power station system is facilitated. In addition, the state switching module can also switch the working state of the detection module and the control module, so that the detection module and the control module can work alternatively, and the fault operation of the detection module on the board voltage display and control device during working is avoided.
In one embodiment, the board voltage detection and control device further comprises a voltage signal input module.
The voltage signal input module is electrically connected with the control module and the state switching module respectively so as to provide voltage signals for the control module and the state switching module. Based on this, the voltage signal input module is respectively and electrically connected with the control state switching module and the detection state switching module. When the voltage signal input module provides a voltage signal to the control module, the control module outputs a control signal. When the voltage signal input module provides a voltage signal to the control state switching module, the control state switching module works to enable the control module to output a control signal. When the voltage signal input module provides a voltage signal to the detection state switching module, the detection state switching module works to enable the detection module to acquire the voltage of the circuit to be detected.
Further, as shown in fig. 1, the voltage signal input module may include voltage signal input terminals J1:44 and a protection resistor R5 electrically connected in series with the voltage signal input terminals J1: 44. The resistance value of the protection resistor R5 is 1K Ω.
The following embodiments describe the board voltage detection and control device according to the present application from a specific circuit diagram.
In one embodiment, the control state switching module includes control state switching terminals J1:23 and a control switch module CM4 electrically connected to the control state switching terminals J1: 23. The detection state switching module comprises detection state switching terminals J1:21 and a detection switch module CM5 electrically connected with the detection state switching terminals J1: 21.
Specifically, as shown in fig. 1, the control state switching module includes control state switching terminals J1:23 and a control switch module CM4 electrically connected to the control state switching terminals J1: 23. The control state switching terminals J1:23 are used for acquiring voltage signals and enabling the control module to output control signals. The control switch module CM4 is electrically connected between the voltage signal input module and the control state switching terminal J1:23, so as to control the on/off of the circuit between the control state switching terminal J1:23 and the voltage signal input module. When the control switch module CM4 is pressed, the second contact 2 of the control switch module CM4 is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. At this time, the voltage of the voltage signal input terminals J1:44 is input to the control state switching terminals J1:23 through the control switch module CM4, thereby controlling the operation of the control module.
Similarly, as shown in FIG. 2, the detecting state switching module includes detecting state switching terminals J1:21 and a detecting switch module CM5 electrically connected to the detecting state switching terminals J1: 21. The detection state switching terminals J1:21 are used for acquiring the voltage signal to enable the detection module to acquire the voltage of the circuit to be detected. The voltage signal input module is electrically connected to the fifth contact 5 of the detection switch module CM5 (not shown in the figure). Therefore, the detection switch module CM5 is electrically connected between the voltage signal input module and the detection state switching terminal J1:21, so as to control the on/off of the circuit between the detection state switching terminal J1:21 and the voltage signal input module. When the detection switch module CM5 is pressed, the second contact 2 of the detection switch module CM5 is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. At this time, the voltage of the voltage signal input module is input to the detection state switching terminal J1:21 through the detection switch module CM5, thereby controlling the operation of the detection module.
In one embodiment, the control module includes an ascent control module, a descent control module, and an acceleration control module. The rising control module, the falling control module and the acceleration control module are respectively electrically connected with the board card so as to output a rising control signal, a falling control signal or an acceleration control signal to the control board card. When the rising control module sends a rising control signal, the voltage of the board card can be controlled to rise; when the descending control module sends a descending control signal, the voltage of the board card can be controlled to descend. The acceleration control module can be connected with the rising control module, so that a rising control signal and an acceleration control signal are sent to the board card at the same time, and the purpose of rapidly rising the voltage of the board card is achieved. The acceleration control module can also be connected with the descending control module, so that descending control signals and acceleration control signals are sent to the board card at the same time, and the purpose of quickly descending the voltage of the board card is achieved.
In this embodiment, the voltage signal input module is electrically connected to the rising control module, the falling control module and the acceleration control module, respectively. When the voltage signal input module provides a voltage signal to the rising control module, the rising control module outputs a rising control signal. When the voltage signal input module provides a voltage signal to the drop control module, the drop control module outputs a drop control signal. When the voltage signal input module provides a voltage signal to the acceleration control module, the acceleration control module outputs an acceleration control signal.
Further, the rising control module includes a rising control terminal J1:11 and a rising switch module CM2 electrically connected to the rising control terminal J1: 11. The descent control module includes a descent control terminal JI: 13 and drop control terminal JI: 13 a drop switch module CM3 electrically connected thereto. The acceleration control module includes an acceleration control terminal JI: 12 and acceleration control terminal JI: 12 is electrically connected to a first acceleration switch CM 2'. The first acceleration switch assembly CM 2' cooperates with the raising switch assembly CM 2. The acceleration control module further includes an acceleration control terminal JI: 12 is electrically connected to a second acceleration switch CM 3'. The second acceleration switch assembly CM 3' cooperates with the descent switch assembly CM 3.
Specifically, as shown in fig. 3, the rising control module includes rising control terminals J1:11 and a rising switch module CM2 electrically connected to the rising control terminals J1: 11. The rising control terminal J1:11 is used for obtaining the voltage signal and outputting a rising control signal. The rising switch module CM2 is electrically connected between the rising control terminal J1:11 and the voltage signal input module, so as to control the on/off of the circuit between the rising control terminal J1:11 and the voltage signal input module. When the rising switch module CM2 is pressed, the second contact 2 of the rising switch module CM2 is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. At this time, the voltage of the voltage signal input terminals J1:44 is input to the rise control terminals J1:11 through the rise switch module CM2, thereby issuing rise control signals.
The acceleration control module includes an acceleration control terminal J1:12 and acceleration control terminal J1:12 is electrically connected to a first acceleration switch CM 2'. Acceleration control terminal J1:12 is used for outputting the acceleration control signal after acquiring the voltage signal. The first acceleration switch module CM 2' is electrically connected between the acceleration control terminal J1:12 and the voltage signal input module, so as to control the on/off of the circuit between the acceleration control terminal J1:12 and the voltage signal input module. When the first acceleration switch module CM2 'is pressed, the second contact point 2 of the first acceleration switch module CM 2' is connected to the third contact point 3, and the fifth contact point 5 and the sixth contact point 6 are connected. At this time, the voltage of the voltage signal input terminal J1:44 is input to the acceleration control terminal J1:12 through the first acceleration switch module CM 2', thereby issuing an acceleration control signal.
As shown in fig. 4, the descending control module includes descending control terminals J1:13 and a descending switch module CM3 electrically connected to the descending control terminals J1: 13. The falling control terminals J1:13 are used for acquiring voltage signals and then outputting falling control signals. The droop switch module CM3 is electrically connected between the droop control terminals J1:13 and the voltage signal input module, so as to control the on/off of the circuit between the droop control terminals J1:13 and the voltage signal input module. When the down switch module CM3 is pressed, the second contact 2 of the down switch module CM3 is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. At this time, the voltage of the voltage signal input terminals J1:44 is input to the falling control terminals J1:13 through the falling switching module CM3, thereby issuing falling control signals.
The acceleration control module includes an acceleration control terminal J1:12 and acceleration control terminal J1:12 is electrically connected to a second acceleration switch CM 3'. Acceleration control terminal J1:12 is used for outputting the acceleration control signal after acquiring the voltage signal. The second acceleration switch module CM 3' is electrically connected between the acceleration control terminal J1:12 and the voltage signal input module, so as to control the on/off of the circuit between the acceleration control terminal J1:12 and the voltage signal input module. When the second acceleration switch module CM3 'is pressed, the second contact point 2 of the second acceleration switch module CM 3' is connected to the third contact point 3, and the fifth contact point 5 and the sixth contact point 6 are connected. At this time, the voltage of the voltage signal input terminal J1:44 is input to the acceleration control terminal J1:12 through the second acceleration switch module CM 3', thereby issuing an acceleration control signal.
In one embodiment, the control switch module CM4, the detection switch module CM5, the rising switch module CM2, the first acceleration switch module CM2 ', the falling switch module CM3 and the second acceleration switch module CM 3' each include two single-pole double-throw switches. Any of the switch assemblies may be of the type F2 UEE.
In one embodiment, as shown in fig. 5, the detecting module includes a detecting unit, a voltage dividing unit electrically connected in series with the detecting unit, and a protecting unit electrically connected in parallel with the detecting unit.
The detecting unit may be a moving coil watch B1, which includes an electromagnet and a pointer driven by the electromagnet. The electromagnet can be electrically connected with a tested circuit through the enameled wire, so that when the voltage signal of the tested circuit changes, current is generated in the electromagnet, and the electromagnet generates an electromagnetic field to drive the pointer to rotate. Further, the moving coil watch B1 may also include a dial plate with scales, so that when the pointer is driven by the electromagnetic field to rotate, the voltage of the circuit to be tested is read from the dial plate. The dial plate can be used for indicating the pointer to 0 scale when the voltage of the board card is maximum and indicating the pointer to 100 scale when the voltage of the board card is minimum; or when the voltage of the board card is minimum, the pointer points to the 0 scale, and when the voltage of the board card is maximum, the pointer points to the 100 scale. In a specific embodiment, the detection unit may employ a moving coil watch B1 model PP 49.
The voltage division unit is electrically connected in series with the detection unit and used for dividing voltage. In a specific embodiment, the voltage dividing unit includes a first resistor R1 and a second resistor R2. The resistance of the first resistor R1 is 2.15K Ω, and the resistance of the second resistor R2 is also 2.15K Ω.
The protection unit is electrically connected in parallel with the detection unit. The protection unit includes a first diode D1, a second diode D2, and a first capacitor C1 connected in parallel. The first diode D1 and the second diode D2 are connected in parallel and have opposite polarities. In one particular embodiment, the first diode D1 and the second diode D2 are each model 1N 4148. The capacitance value of the first capacitor is 470 nF.
In a specific embodiment, a circuit diagram of the board voltage detection and control device of the present application is shown in fig. 6, and is not described again. The board voltage detection and control device of the present application is explained in detail in the following working manner.
In this embodiment, when the control switch module CM4, the detection switch module CM5, the rising switch module CM2, the first acceleration switch module CM2 ', the falling switch module CM3 and the second acceleration switch module CM 3' are not pressed, the second contact 2 is conducted with the first contact 1, and the fifth contact 5 is conducted with the fourth contact 4.
When the board voltage detection and control device needs to detect the voltage of the circuit to be detected, the detection state switching module is firstly required to work, so that the detection module is controlled to work. At this time, the detection switch module CM5 is pressed, the second contact 2 of the detection switch module CM5 is connected to the third contact 3, and the fifth contact 5 is connected to the sixth contact 6. The high voltage of the voltage signal input terminal J1:44 passes through the resistor R5, the fifth contact 5 and the fourth contact 4 of the rising switch module CM2, the fifth contact 5 and the fourth contact 4 of the falling switch module CM3, and the fifth contact 5 and the sixth contact 6 of the detection switch module CM5 in this order, so that the detection state switching terminal J1:21 has a high voltage signal. Thereby enabling the detection module to operate. When the detection module is in operation, terminal J1: 41 and terminal J2: 42 are electrically connected to two ends of the circuit to be tested, so that the voltage of the circuit to be tested is measured by the moving coil gauge B1.
When the board card voltage detection and control device needs to output a control signal, the state switching module needs to be controlled to work at first, so that the control module is controlled to work. At this time, the control switch module CM4 is pressed, the second contact 2 of the control switch module CM4 is connected to the third contact 3, and the fifth contact 5 is connected to the sixth contact 6. The high voltage of the voltage signal input terminals J1:44 passes through the resistor R5, the fifth contact 5 and the sixth contact 6 of the control switch module CM4 in sequence, so that the control state switching terminals J1:23 have high voltage signals. Thereby enabling the control module to operate.
In case the control module can operate after pressing the control switch module CM 4:
when the board voltage detection and control device needs to output a rising control signal, the rising switch module CM2 is pressed. At this time, the second contact 2 of the rising switch module CM2 is closed to the third contact 3, and the fifth contact 5 and the sixth contact 6 are closed. The voltage signal input terminals J1:44 pass through the fifth and sixth contacts 5, 6 of the rising switch module CM2, so that the rising control terminal J1:11 have a high voltage signal. Thereby outputting a rising control signal.
When the board voltage detection and control device needs to output the acceleration rising control signal, the rising switch module CM2 and the first acceleration switch module CM 2' are pressed. At this time, the rise control terminal J1:11 have a high voltage signal. At the same time, the second contact 2 of the first acceleration switch module CM 2' is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. The voltage signal input terminals J1:44 pass through the second contact 2 and the third contact 3 of the first acceleration switch assembly CM 2', causing the acceleration control terminal J1 to: 12 have a high voltage signal. Thereby outputting an acceleration control signal.
When the board voltage detection and control device needs to output a falling control signal, the falling switch module CM3 is pressed. At this time, the second contact 2 of the down switch module CM3 is closed to the third contact 3, and the fifth contact 5 and the sixth contact 6 are closed. The voltage signal input terminals J1:44 pass through the fifth contact 5 and the fourth contact 4 of the rising switch module CM2, and pass through the fifth contact 5 and the sixth contact 6 of the falling switch module CM3, so that the falling control terminal J1:13 has a high voltage signal. Thereby outputting a falling control signal.
When the board voltage detection and control device needs to output the acceleration falling control signal, the falling switch module CM3 and the second acceleration switch module CM 3' are pressed. At this time, the descent control terminal J1:13 has a high voltage signal. At the same time, the second contact 2 of the second acceleration switch module CM 3' is connected to the third contact 3, and the fifth contact 5 and the sixth contact 6 are connected. The voltage signal input terminal J1:44 passes through the second contact 2 and the first contact 1 of the first acceleration switch module CM2 ', and passes through the second contact 2 and the third contact 3 of the second acceleration switch module CM 3', so that the acceleration control terminal J1:12 have a high voltage signal. Thereby outputting an acceleration control signal.
Fig. 7 is a schematic diagram of a panel structure of the board voltage detection and control device according to the present application. The circuit connection is as shown in fig. 6, and the terminals not shown in connection in fig. 6 are grounded or not connected. The voltage signal input terminals J1:44 are connected to a 28V power supply. The voltage range of the moving coil watch is +5V to +1V, and the scale is 0 to 100 percent.
The application of the board card voltage detection and control device can remotely detect and control the board card electrically connected with the board card. When the board card of electric connection breaks down, the voltage regulation of the board card to the nuclear power station system is manually adjusted through the board card voltage detection and control device, so that the voltage regulation control function of the nuclear power station system is completed, and the stable operation of the system is guaranteed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a be used for nuclear power station voltage control integrated circuit board voltage to show and controlling means which characterized in that includes:
the detection module is electrically connected with the tested circuit of the board card so as to acquire and display the voltage of the tested circuit;
the control module is electrically connected with the board card so as to output a control signal to the board card;
the state switching module comprises a control state switching module and a detection state switching module, and the control state switching module and the detection state switching module select one to work; when the control state switching module works, the control module outputs a control signal to the board card; when the detection state switching module works, the detection module acquires the voltage of the circuit to be detected;
and the voltage signal input module is electrically connected with the control module and the state switching module respectively so as to provide voltage signals for the control module and the state switching module.
2. The board voltage display and control device of claim 1, wherein the voltage signal input module comprises a voltage signal input terminal and a protection resistor connected in series.
3. The board voltage display and control device of claim 1, wherein the control state switching module comprises:
the control state switching terminal is used for outputting a control signal so that the control module outputs the control signal to the board card;
and the control switch assembly is electrically connected between the control state switching terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the control state switching terminal.
4. The board voltage display and control device of claim 1, wherein the detection state switching module comprises:
the detection state switching terminal is used for outputting a detection signal so that the detection module acquires the voltage of the circuit to be detected;
and the detection switch assembly is electrically connected between the detection state switching terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the detection state switching terminal.
5. The board voltage display and control device of claim 1, wherein the control module comprises an ascending control module, a descending control module, and an acceleration control module; the ascending control module, the descending control module and the accelerating control module are respectively electrically connected with the board card so as to respectively output control signals to the board card.
6. The board voltage display and control device of claim 5, wherein the boost control module comprises:
a rise control terminal for outputting a rise control signal;
and the rising switch assembly is electrically connected between the rising control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the rising control terminal.
7. The board voltage display and control device of claim 5, wherein the droop control module comprises:
a falling control terminal for outputting a falling control signal;
and the descending switch assembly is electrically connected between the descending control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the descending control terminal.
8. The board voltage display and control device of claim 5, wherein the acceleration control module comprises:
an acceleration control terminal for outputting an acceleration control signal;
the first acceleration switch assembly is electrically connected between the acceleration control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the acceleration control terminal; the first acceleration switch assembly is matched with the ascending control module;
the second acceleration switch assembly is electrically connected between the acceleration control terminal and the voltage signal input module so as to control the on-off of a circuit from the voltage signal input module to the acceleration control terminal; the second acceleration switch assembly is matched with the descending control module.
9. The board voltage display and control device according to claim 1, wherein the detection module comprises a detection unit, a voltage division unit electrically connected in series with the detection unit, and a protection unit electrically connected in parallel with the detection unit.
10. The board voltage display and control device of claim 9, wherein the detection unit comprises an electromagnet and a pointer driven by the electromagnet, the electromagnet is electrically connected to the circuit under test, so that when the circuit under test is powered on, the electromagnet has magnetism to drive the pointer.
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| CN201811311976.5A CN109327028B (en) | 2018-11-06 | 2018-11-06 | Voltage display and control device for voltage control board card of nuclear power station |
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| CN201811311976.5A CN109327028B (en) | 2018-11-06 | 2018-11-06 | Voltage display and control device for voltage control board card of nuclear power station |
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| KR100759212B1 (en) * | 2006-04-07 | 2007-09-14 | 두산중공업 주식회사 | The system which synthetic diagnoses the control board which is belong to a control element drive mechanism control system |
| CN106655073B (en) * | 2016-11-07 | 2018-10-09 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Current conversion station pole control system interpolar communicates redundant apparatus and the means of communication between standing |
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2018
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