CN113093635B - Measurement and control system - Google Patents
Measurement and control system Download PDFInfo
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- CN113093635B CN113093635B CN202110229637.8A CN202110229637A CN113093635B CN 113093635 B CN113093635 B CN 113093635B CN 202110229637 A CN202110229637 A CN 202110229637A CN 113093635 B CN113093635 B CN 113093635B
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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
- G05B19/048—Monitoring; Safety
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention relates to a measurement and control system, which comprises an export module, an import module, a first processing module and a second processing module, wherein the input module is used for collecting the first switch state information of the interval, the first processing module and the second processing module respectively obtain the first switch state information of the interval and the switch state information of the external interval and respectively generate first information and second information, wherein, the second processing module generates second information and then sends the second information to the first processing module, after the first processing module receives the switching-on and switching-off instruction, the opening and closing module is driven to carry out opening and closing control on the interval primary equipment according to the opening and closing command, the first information and the second information, because the first processing module and the second processing module are respectively arranged to generate the switching-on and switching-off judgment results, and the two switching-on and switching-off judgment results are compared and verified, the reliability of the measurement and control system is improved, and the problem of mistaken outlet caused by a single judgment mode is solved.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a measurement and control system.
Background
In traditional transformer substation, this interval primary equipment can have the relation of connection with other outer interval equipment, the operating condition of outer interval equipment may be influenced in this interval primary equipment's action, therefore GIS converges accuse cabinet on the spot and can acquires this interval switch's state and the state of the outer interval switch relevant with this interval, then judge whether satisfy the divide-shut brake requirement according to this interval switch's state and outer interval switch's state, if satisfy the divide-shut brake requirement, in case receive user's divide-shut brake instruction after, carry out the divide-shut brake action according to divide-shut brake instruction control this interval primary equipment promptly.
However, there may be an error in determining the switching request, and if the switching control is still performed according to the determination result, there may be a problem of erroneous exit of the primary device, which may cause a safety accident.
Disclosure of Invention
Therefore, it is necessary to provide a measurement and control system with high safety performance.
A measurement and control system comprising:
opening a module;
the switching-in module is used for acquiring the state information of the first switch at the interval;
the first processing module and the second processing module are respectively connected with the opening module, the first processing module is further respectively connected with the opening module and the second processing module, the second processing module is used for generating second information according to the first switch state information of the interval and the state information of the external interval switch and sending the second information to the first processing module, the first processing module is used for receiving a switching-on and switching-off command, generating first information according to the first switch state information of the interval and the state information of the external interval switch, and driving the opening module to carry out switching-on and switching-off control on the interval primary equipment according to the switching-on and switching-off command, the first information and the second information.
In one embodiment, the first processing module is further configured to drive the opening and closing module to close or open an interlock node and a local interval switch of the primary device according to the switching and closing instruction if it is determined that the first information and the second information are the same.
In one embodiment, the first processing module is further configured to drive the unlocking module to lock the interlock node and the present interval switch if it is determined that the first information and the second information are different.
In one embodiment, the first processing module is further configured to send the first information to the second processing module, and the second processing module is further configured to drive the unlocking module to lock the interlock node and the present interval switch if it is determined that the second information is different from the first information.
In one embodiment, the measurement and control system further includes:
the alternating current input module is respectively connected with the first processing module and the second processing module, and is used for acquiring the working voltage and the working current of the primary equipment and respectively transmitting the working voltage and the working current to the first processing module and the second processing module;
the second processing module is further used for generating a second SV signal according to the working voltage and the working current and sending the second SV signal to the first processing module;
the first processing module is further configured to generate a first SV signal according to the working voltage and the working current, send the first SV signal to the bay level device when it is determined that the first SV signal is the same as the second SV signal, and output first warning information when it is determined that the first SV signal is different from the second SV signal.
In one embodiment, the measurement and control system further includes:
the direct current input module is respectively connected with the first processing module and the second processing module, and is used for acquiring the working environment information of the primary equipment and respectively transmitting the working environment information to the first processing module and the second processing module;
the second processing module is also used for generating second environment information according to the working environment information and sending the second environment information to the first processing module;
the first processing module is further used for generating first environment information according to the working environment information, outputting the first environment information under the condition that the first environment information is judged to be the same as the second environment information, and outputting second warning information under the condition that the first environment information is different from the second environment information.
In one embodiment, after the switch-on/off control of the interval switch circuit is performed by the switch-off module, the switch-on module is further configured to acquire second switch state information of the interval;
the measurement and control system further comprises:
and the third processing module is connected with the opening module and used for acquiring the second switch state information of the interval and generating the circuit diagram of the primary equipment of the interval according to the second switch state information of the interval.
In one embodiment, the first processing module is further configured to output an interlock satisfaction signal according to the first information and the second information;
the measurement and control system further comprises:
and the display module is respectively connected with the first processing module and the third processing module and is used for displaying the circuit diagram and displaying an interlocking result according to the interlocking satisfaction signal.
In one embodiment, the measurement and control system further comprises:
the input module is connected with the first processing module and used for inputting a user instruction and sending the user instruction to the first processing module;
the first processing module is further used for driving the opening module to close or open the interval switch according to the user instruction.
In one embodiment, the measurement and control system further includes:
the first processing module, the second processing module, the third processing module, the input module, the output module and the display module are connected through a line on the bus backboard.
The measurement and control system comprises an export module, an import module, a first processing module and a second processing module, wherein the input module is used for collecting the first switch state information of the interval, the first processing module and the second processing module are respectively used for acquiring the first switch state information of the interval and the switch state information of the external interval and respectively generating the first information and the second information, wherein, the second processing module generates second information and then sends the second information to the first processing module, after the first processing module receives the switching-on and switching-off instruction, the opening and closing module is driven to carry out opening and closing control on the interval primary equipment according to the opening and closing command, the first information and the second information, because the first processing module and the second processing module are respectively arranged to generate the switching-on and switching-off judgment results, and the two switching-on and switching-off judgment results are compared and verified, the reliability of the measurement and control system is improved, and the problem of mistaken outlet caused by a single judgment mode is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a measurement and control system according to an embodiment;
FIG. 2 is a block diagram of another embodiment of a measurement and control system;
FIG. 3 is a block diagram of another embodiment of a measurement and control system;
FIG. 4 is a block diagram of a measurement and control system according to another embodiment;
FIG. 5 is a block diagram of a measurement and control system according to another embodiment;
FIG. 6 is a block diagram of a measurement and control system according to another embodiment;
fig. 7 is a block diagram of a measurement and control system according to another embodiment.
Description of reference numerals:
opening a module: 110; an output module: 120 of a solvent; a first processing module: 130, 130; a second processing module: 140 of a solvent; an alternating current input module: 150; a direct current input module: 160; a third processing module: 170; a display module: 180 of the total weight of the composition; an input module: 190
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, the first processing module 130 may be referred to as the second processing module 140, and similarly, the second processing module 140 may be referred to as the first processing module 130, without departing from the scope of the present application. Both the first processing module 130 and the second processing module 140 are processing modules, but they are not the same processing module.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," or "having," and the like, specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
Fig. 1 is a block diagram of a measurement and control system according to an embodiment, and as shown in fig. 1, the measurement and control system includes an output module 120, an input module 110, a first processing module 130, and a second processing module 140. The switching-in module 110 is configured to collect first switch state information of the present interval; the first processing module 130 and the second processing module 140 are respectively connected to the switching-in module 110, the first processing module 130 is further respectively connected to the switching-out module 120 and the second processing module 140, the second processing module 140 is configured to generate second information according to the interval first switch state information and the interval switch state information and send the second information to the first processing module 130, the first processing module 130 is configured to receive a switching-on/off instruction, generate first information according to the interval first switch state information and the interval switch state information, and drive the switching-out module 120 to perform switching-on/off control of the interval primary device according to the switching-on/off instruction, the first information and the second information.
It can be understood that the primary device may include a sensor, a transformer, a switching device, an interlock node, and the like, the switching device may include a relay, a contactor, a relay, and the like, the switch-in module 110 is connected to the interval primary device, and may acquire the first switch state information of the interval primary device, where the first switch state information may be the state information of the switching device, and then transmit the first switch state information to the first processing module 130 and the second processing module 140, respectively, the first processing module 130 and the second processing module 140 further acquire the external interval switch state information of the external interval switching device, respectively, then the second processing module 140 generates the second information according to the first switch state information of the interval and the external interval switch state information and transmits the second information to the first processing module 130, the first processing module 130 generates the first information according to the first switch state information of the interval and the external interval switch state information, meanwhile, second information sent by the second processing module 140 is received, and since the second processing module 140 is separately arranged to determine the opening and closing of the switch, when the first processing module 130 receives the opening and closing instruction, the first processing module 130 drives the opening module 120 to perform the opening and closing control of the primary device at the interval according to the first information, the second information and the opening and closing instruction, so as to turn on or off the opening and closing loop of the primary device.
The external interval switch state information may be a switch state of a switching device in the external interval primary device having a circuit connection relationship with the present interval. The first processing module 130 and the second processing module 140 may edit the interlock logic according to the present interval first switch state information and the outer interval switch state information in a configuration text manner, so as to obtain the first information and the second information, respectively.
In one embodiment, the switching on/off command may be sent to the first processing module 130 by the spacer layer device in the form of a GOOSE signal through the process layer network.
The measurement and control system of the embodiment of the invention comprises an opening and closing module 120, an opening and closing module 110, a first processing module 130 and a second processing module 140, wherein the opening and closing module 110 is used for collecting the state information of a first switch at a distance, the first processing module 130 and the second processing module 140 respectively obtain the state information of the first switch at the distance and the state information of an outer switch at the distance and respectively generate first information and second information, the second processing module 140 generates the second information and then transmits the second information to the first processing module 130, the first processing module 130 drives the opening and closing module 120 to carry out the opening and closing control of the primary equipment at the distance according to the opening and closing instruction, the first information and the second information after receiving the opening and closing instruction, the first processing module 130 and the second processing module 140 are respectively arranged to generate the opening and closing judgment results and compare and verify the two opening and closing judgment results, so that the reliability of the measurement and control system is improved, the problem of wrong export that single judgement mode arouses is solved to realize the intelligent control of divide-shut brake, replaced loaded down with trivial details electric interlocking return circuit.
In one embodiment, the first processing module 130 is further configured to drive the switching-out module 120 to close or open the interlock node and the present interval switch of the primary device according to the switching-on/off command if it is determined that the first information and the second information are the same.
It can be understood that the first processing module 130 and the second processing module 140 respectively and independently process the present interval first switch state information and the outer interval switch state information, and the processing manners thereof are the same, so that theoretically, the first information and the second information are the same, the first processing module 130 generates an interlock satisfaction signal indicating that the interlock requirement is satisfied or the interlock requirement is not satisfied according to the first information and the second information, if the first information and the second information are the same, it can be determined that the first processing module 130 and the second processing module 140 operate normally, and the processed first information and second information data are correct, at this time, the interlock node of the primary device of the switching-off module 120 can be driven to be switched on or switched off according to the interlock satisfaction signal and the switching-off instruction, and then the present interval switch of the primary device of the switching-off module 120 can be driven to be switched on or switched off according to the switching-off instruction.
The interlocking nodes are connected in series in the control circuit of the interval switch, even if the switch-out module 120 receives the switching-on and switching-off instruction and closes or opens the interval switch of the primary device according to the switching-on and switching-off instruction, because the interlocking nodes are connected in series in the control circuit of the interval switch, when the interlocking nodes and the interval switch are closed simultaneously, the control circuit of the switch is only switched on, and the reliability of the measurement and control system can be improved by increasing the control on the interlocking nodes.
It can be understood that the switch module is used for realizing the closing or opening of the interlocking node of the primary equipment and the interval switch by outputting the switching value signals of the interlocking node and the interval switch.
In one embodiment, the first processing module 130 is further configured to drive the unlocking module 120 to lock the interlock node if it is determined that the first information and the second information are different.
It can be understood that the primary device includes a locking loop, and if the first information and the second information are different, it may be determined that one of the first processing module 130 and the second processing module 140 has a fault, and at least one of the first information and the second information obtained by processing has an error, and at this time, the opening module 120 may be driven according to the interlock satisfaction signal to control the interlock node and the interval switch to maintain the original state, so that the opening and closing operation cannot be performed.
In an embodiment, the first processing module 130 is further configured to send the first information to the second processing module 140, and the second processing module 140 is further configured to drive the unlocking module 120 to lock the interlock node if it is determined that the second information is different from the first information.
It can be understood that the first processing module 130 may further send the first information to the second processing module 140, so that the verification is performed by the second processing module 140, and the reliability of the apparatus may be improved by the cross-verification of the first processing module 130 and the second processing module 140.
Fig. 2 is a structural block diagram of a measurement and control system according to another embodiment, and compared with the embodiment of fig. 1, the measurement and control system according to the present embodiment further includes an ac input module 150, as shown in fig. 2, wherein the ac input module 150 is respectively connected to the first processing module 130 and the second processing module 140, and is configured to collect a working voltage and a working current of the primary device, and respectively transmit the working voltage and the working current to the first processing module 130 and the second processing module 140; the second processing module 140 is further configured to generate a second SV signal according to the working voltage and the working current, and send the second SV signal to the first processing module 130; the first processing module 130 is further configured to generate a first SV signal according to the working voltage and the working current, send the first SV signal to the spacer layer device when it is determined that the first SV signal is the same as the second SV signal, and output first warning information when it is determined that the first SV signal is different from the second SV signal.
It can be understood that the first processing module 130 and the second processing module 140 respectively and independently process the working voltage and the working current, and the processing manners are the same, so that theoretically, the first SV signal and the second SV signal are the same, if the first processing module 130 determines that the first SV signal is the same as the second SV signal, it can be determined that the first processing module 130 and the second processing module 140 are working normally, and the data of the processed first SV signal and the processed second SV signal are correct, at this time, the first SV signal can be sent to the bay level device to calculate the data of the primary device, such as voltage, current, and power; if the first SV signal and the second SV signal are different, one of the first processing module 130 and the second processing module 140 has a failure, and at least one of the first SV signal and the second SV signal obtained by the processing has an error, at this time, the first warning information may be output to the background for prompting, where the first warning information may be output to the background through the station control layer network.
Specifically, the ac input module 150 may collect working voltage and working current output by a current transformer and a voltage transformer in the primary device, and convert the working voltage and the working current into voltage and current small signals to be output to the first processing module 130 and the second processing module 140, the first processing module 130 and the second processing module 140 respectively perform AD high-speed sampling on the working voltage and the working current to obtain digital sampling signals, and then perform null shift suppression, clock synchronization, interpolation processing, and code value conversion on the digital sampling signals to convert the digital sampling signals into SV signals conforming to the IEC61850 protocol, and if the SV signals obtained by the processing of the first processing module 130 and the second processing module 140 are the same, the SV signals are transmitted to the bay level device through the process level network by using the first processing module 130.
In one embodiment, the first processing module 130 is further configured to send the first SV signal to the second processing module 140, and the second processing module 140 is further configured to output the first warning message if it is determined that the second SV signal is different from the first SV signal.
In an embodiment, as shown in fig. 3, the measurement and control system further includes a dc input module 160, wherein the dc input module 160 is connected to the first processing module 130 and the second processing module 140, respectively, and is configured to collect the working environment information of the primary device and transmit the working environment information to the first processing module 130 and the second processing module 140, respectively; the second processing module 140 is further configured to generate second environment information according to the working environment information, and send the second environment information to the first processing module 130; the first processing module 130 is further configured to generate first environment information according to the working environment information, output the first environment information when it is determined that the first environment information is the same as the second environment information, and output second warning information when the first environment information is different from the second environment information.
It can be understood that the dc input module 160 can collect the working environment information by collecting the environmental electrical signal amplified by the dc transmitter, such as the voltage or current output signal output by the measuring elements such as the temperature sensor and the humidity sensor in the primary device and the voltage or current output signal output by the switching coil and the energy storage motor, and by obtaining the working environment information, the measurement and monitoring of the temperature and humidity in the cabinet and the current of the switching coil and the energy storage motor can be realized. The first processing module 130 and the second processing module 140 independently process the working environment information of the primary device, and the processing modes are the same, so that the first environment information and the second environment information are theoretically the same, if the first processing module 130 judges that the first environment information is the same as the second environment information, it can be determined that the first processing module 130 and the second processing module 140 work normally, and the data of the processed first environment information and the processed second environment information are correct, at this time, the first environment information can be sent to a background for display; if the first environmental information is different from the second environmental information, one of the first processing module 130 and the second processing module 140 has a fault, and at least one of the first environmental information and the second environmental information obtained by processing has an error, at this time, the second alarm information may be output to the background for prompting.
In one embodiment, after the switch-on/off control of the interval switch circuit is performed by the switch-off module 120, the switch-in module 110 is further configured to collect second switch state information of the interval; the measurement and control system further includes a third processing module 170, as shown in fig. 4, the third processing module 170 is connected to the opening module 110, and is configured to obtain the second switch state information of the interval and generate a circuit diagram of the primary device of the interval according to the second switch state information of the interval.
It can be understood that after the switch-on and switch-off of the interval switch loop are performed, in order to obtain the specific result of the switch-on and switch-off, the second switch state information of the interval can be collected by the switch-off module 120 and sent to the third processing module 170, the third processing module 170 can store the wiring diagram of each element in the interval primary equipment, the state of the switch electrical appliance switch in the primary equipment can be updated in the wiring diagram according to the second switch state information of the interval, so that the circuit diagram of the interval primary equipment is obtained, and after the circuit diagram is obtained, the circuit diagram can be sent to the background for display and management.
The first processing module 130 and the second processing module 140 are used for processing, calculating and other real-time tasks, the circuit diagram is generated for display, the processing is not performed by the first processing module 130 or the second processing module 140, but the processing is performed by the third processing module 170 different from the first processing module 130 and the second processing module 140, so that the influence on the processing speed of the first processing module 130 and the second processing module 140 can be avoided, and the real-time performance of the first processing module 130 and the second processing module 140 for processing data is influenced.
In one embodiment, the first processing module 130, the second processing module 140, and the third processing module 170 may be multicore processors in the CPU.
In one embodiment, the first processing module 130 is further configured to output an interlock satisfaction signal according to the first information and the second information; the measurement and control system further includes a display module 180, and the display module 180 is connected to the first processing module 130 and the third processing module 170, respectively, and is configured to display a circuit diagram and display an interlocking result according to the interlocking satisfaction signal, as shown in fig. 5.
The interlock satisfaction signal includes information that the interlock requirement is satisfied or not satisfied, and in one embodiment, the interlock satisfaction signal may indicate that the interlock requirement is satisfied or not satisfied by outputting a different value, so that the display module 180 may display the interlock result according to the interlock satisfaction signal of the different value. The interlocking results may be displayed in a dynamic manner, such as flashing or scrolling, to alert the operator to troubleshoot in a timely manner. In addition, under the condition that the interlocking requirement is not met, the first processing module 130 may further output a reason that the interlocking requirement is not met, for example, the comparison result of the first information and the second information is different, so that the visual display of the interlocking result and the backtracking of the failure reason are realized.
In an embodiment, the first warning information and the second warning information are also displayed through the display module 180, and the measurement and control system may further include a plurality of information collecting modules to collect pressure and oil pressure data of each meter in the primary device and abnormal signals of the primary device, and the first processing module 130 processes the data and then sends the processed data to the display module 180 for displaying. The interlocking result, the circuit diagram of the primary equipment at the interval and the working state information of the primary equipment are displayed through the display module 180, so that a complex position indicator and a fault display light character board in a traditional measurement and control cabinet can be eliminated, and secondary components in the cabinet are simplified.
In an embodiment, as shown in fig. 6, the measurement and control system further includes an input module 190, where the input module 190 is connected to the first processing module 130, and is configured to input a user instruction and send the user instruction to the first processing module 130; the first processing module 130 is further configured to drive the switch-out module 120 to close or open the interval switch according to a user instruction.
It is understood that the command input by the input module 190 may directly control the opening module 120 to close or open the interval switch, and the input module 190 may include a keyboard. The input module 190 is used for directly inputting user instructions, and compared with the traditional method of configuring various operation handles to realize the on-off of the switch disconnecting link, the circuit device is simplified in the embodiment.
In one embodiment, a human interface device may be used as the input module 190 and the display module 180, for example, a touch screen device may be used, a circuit diagram is directly displayed in the touch screen device, and a user may directly operate the circuit diagram on the touch screen device, so as to close or open the interval switch.
In one embodiment, the measurement and control system further includes a bus backplane, and the first processing module 130, the second processing module 140, the third processing module 170, the access module 110, the access module 120, and the display module 180 are connected by a line on the bus backplane. In one embodiment, the connection of the input module, the dc input module 160 and the ac input module 150 to each of the processing modules and the display module 180 may also be established through a wire on a bus backplane. The bus back plate is arranged to realize the connection of all modules, so that the space occupation problem and the cable safety problem caused by a large number of secondary cables are reduced.
In one embodiment, the measurement and control system may further include a power module for supplying power to each module in the measurement and control system.
Fig. 7 is a block diagram of a measurement and control system according to an embodiment, and as shown in fig. 7, the measurement and control system includes an output module 120, an input module 110, a first processing module 130, a second processing module 140, an ac input module 150, a dc output module, a third processing module 170, a display module 180, and an input module.
The opening module 110 is configured to collect first switch state information of the interval; the first processing module 130 and the second processing module 140 are respectively connected to the switching-in module 110, the first processing module 130 is further respectively connected to the switching-out module 120 and the second processing module 140, the second processing module 140 is configured to generate second information according to the interval first switch state information and the external interval switch state information and send the second information to the first processing module 130, the first processing module 130 is configured to receive a switching-on/off command, generate first information according to the interval first switch state information and the external interval switch state information, and drive the switching-out module 120 to perform switching-on/off control of the interval primary device according to the switching-on/off command, the first information and the second information.
The first processing module 130 is further configured to drive the switching-out module 120 to close or open the interlock node and the local interval switch of the primary device according to the switching-on/off instruction if it is determined that the first information is the same as the second information, and drive the switching-out module 120 to lock the interlock node if it is determined that the first information is different from the second information.
The first processing module 130 is further configured to send the first information to the second processing module 140, and the second processing module 140 is further configured to drive the unlocking module 120 to lock the interlock node if it is determined that the second information is different from the first information.
The alternating current input module 150 is connected to the first processing module 130 and the second processing module 140, and is configured to collect a working voltage and a working current of the primary device, and transmit the working voltage and the working current to the first processing module 130 and the second processing module 140; the second processing module 140 is further configured to generate a second SV signal according to the working voltage and the working current, and send the second SV signal to the first processing module 130; the first processing module 130 is further configured to generate a first SV signal according to the working voltage and the working current, send the first SV signal to the spacer layer device when it is determined that the first SV signal is the same as the second SV signal, and output first warning information when it is determined that the first SV signal is different from the second SV signal. The first processing module 130 is further configured to send the first SV signal to the second processing module 140, and the second processing module 140 is further configured to output the first warning information if it is determined that the second SV signal is different from the first SV signal.
The direct current input module 160 is connected to the first processing module 130 and the second processing module 140, and is configured to collect the working environment information of the primary device, and transmit the working environment information to the first processing module 130 and the second processing module 140; the second processing module 140 is further configured to generate second environment information according to the working environment information, and send the second environment information to the first processing module 130; the first processing module 130 is further configured to generate first environment information according to the working environment information, output the first environment information when it is determined that the first environment information is the same as the second environment information, and output second warning information when the first environment information is different from the second environment information.
After the switch-on/off control of the interval switch circuit is performed by the switch-out module 120, the switch-in module 110 is further configured to acquire second switch state information of the interval; the measurement and control system further includes a third processing module 170, as shown in fig. 4, the third processing module 170 is connected to the switching-in module 110, and is configured to obtain the second switch state information of the interval and generate a circuit diagram of the primary device of the interval according to the second switch state information of the interval.
The first processing module 130 is further configured to output an interlock satisfaction signal according to the first information and the second information; the display module 180 is connected to the first processing module 130 and the third processing module 170, respectively, and is configured to display a circuit diagram and display an interlock result according to the interlock satisfaction signal.
The input module is connected to the first processing module 130, and is configured to input a user instruction and send the user instruction to the first processing module 130; the first processing module 130 is further configured to drive the switch-out module 120 to close or open the interval switch according to a user instruction.
In one embodiment, the measurement and control system further includes a bus backplane, and the first processing module 130, the second processing module 140, the third processing module 170, the input module 110, the output module 120, the display module 180, the input module, the dc input module 160, and the ac input module 150 may be connected by a line on the bus backplane.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic depictions of the above terms do not necessarily refer to the same embodiment or example.
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 specific and detailed, but not to be understood 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. A measurement and control system, comprising:
opening a module;
the switching-in module is used for acquiring the state information of the first switch at the interval;
the first processing module and the second processing module are respectively connected with the opening module, the first processing module is also respectively connected with the opening module and the second processing module, the second processing module is used for generating second information according to the first switch state information of the interval and the state information of an external interval switch and sending the second information to the first processing module, the first processing module is used for receiving a switching-on and switching-off command, generating first information according to the first switch state information of the interval and the state information of the external interval switch, and driving the opening module to carry out switching-on and switching-off control on the interval primary equipment according to the switching-on and switching-off command, the first information and the second information;
the first processing module is further used for driving the opening module to close or open the interlocking node and the local interval switch of the primary equipment according to the opening and closing command if the first information and the second information are judged to be the same;
and the first processing module is further configured to drive the switching-out module to lock the interlocking node and the local interval switch if it is determined that the first information is different from the second information.
2. The measurement and control system according to claim 1, wherein the first processing module is further configured to send the first information to the second processing module, and the second processing module is further configured to drive the unlocking module to lock the interlock node and the interval switch if it is determined that the second information is different from the first information.
3. The instrumentation system of claim 1, further comprising:
the alternating current input module is respectively connected with the first processing module and the second processing module, and is used for acquiring the working voltage and the working current of the primary equipment and respectively transmitting the working voltage and the working current to the first processing module and the second processing module;
the second processing module is further used for generating a second SV signal according to the working voltage and the working current and sending the second SV signal to the first processing module;
the first processing module is further configured to generate a first SV signal according to the working voltage and the working current, send the first SV signal to the bay level device when it is determined that the first SV signal is the same as the second SV signal, and output first warning information when it is determined that the first SV signal is different from the second SV signal.
4. The instrumentation system of claim 1, further comprising:
the direct current input module is respectively connected with the first processing module and the second processing module, and is used for acquiring the working environment information of the primary equipment and respectively transmitting the working environment information to the first processing module and the second processing module;
the second processing module is further used for generating second environment information according to the working environment information and sending the second environment information to the first processing module;
the first processing module is further used for generating first environment information according to the working environment information, outputting the first environment information under the condition that the first environment information is judged to be the same as the second environment information, and outputting second warning information under the condition that the first environment information is different from the second environment information.
5. The measurement and control system according to claim 1, wherein the switch-in module is further configured to collect state information of a second switch of the interval after the switch-off and switch-on control of the switch loop of the interval is performed by the switch-out module;
the measurement and control system further comprises:
and the third processing module is connected with the opening module and used for acquiring the second switch state information of the interval and generating the circuit diagram of the primary equipment of the interval according to the second switch state information of the interval.
6. The measurement and control system of claim 5, wherein the first processing module is further configured to output an interlock satisfaction signal according to the first information and the second information;
the measurement and control system further comprises:
and the display module is respectively connected with the first processing module and the third processing module and is used for displaying the circuit diagram and displaying an interlocking result according to the interlocking satisfaction signal.
7. The instrumentation system of claim 5, further comprising:
the input module is connected with the first processing module and used for inputting a user instruction and sending the user instruction to the first processing module;
the first processing module is further used for driving the opening module to close or open the interval switch according to the user instruction.
8. The instrumentation system of claim 6, further comprising:
the first processing module, the second processing module, the third processing module, the input module, the output module and the display module are connected through a line on the bus backboard.
9. The measurement and control system according to claim 1, wherein the first processing module and the second processing module process the first switch state information of the present interval and the switch state information of the external interval in the same manner.
10. The measurement and control system according to claim 6, wherein the interlocking results are displayed in a dynamic manner.
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