CN215344086U - Operation and maintenance device for intelligent switch of power distribution network spring operation mechanism - Google Patents
Operation and maintenance device for intelligent switch of power distribution network spring operation mechanism Download PDFInfo
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- CN215344086U CN215344086U CN202120755053.XU CN202120755053U CN215344086U CN 215344086 U CN215344086 U CN 215344086U CN 202120755053 U CN202120755053 U CN 202120755053U CN 215344086 U CN215344086 U CN 215344086U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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Abstract
The application discloses an operation and maintenance device for distribution network spring operation mechanism intelligence switch, it corresponds the programme-controlled source of this two sharing of primary circuit breaker and secondary signal output circuit at secondary feed line terminal of surveyed intelligence switch respectively to provide, the output channel of programme-controlled source is realized through the control signal switch by the industrial computer, after having connected the primary circuit breaker and/or the secondary feed line terminal of being surveyed intelligence switch, can provide corresponding test signal for it, the intensification to being surveyed intelligence switch, portable operation and maintenance have been realized.
Description
Technical Field
The application relates to the technical field of power distribution networks, in particular to an operation and maintenance device for an intelligent switch of a power distribution network spring operation mechanism.
Background
In recent years, with the inherent requirements of continuously promoting and constructing energy internet by the strategic deployment of 'new capital construction', power grid companies are greatly accelerating the construction of digital power distribution networks, accelerating the intelligent upgrade of power distribution network equipment, and applying a large amount of intelligent equipment to the power distribution networks. In a power distribution network overhead line, a pole-mounted circuit breaker of an elastic operation mechanism is widely applied, and after a large amount of digital upgrading intelligent switches formed by matching with a power distribution switch monitoring Terminal (FTU, hereinafter referred to as a Feeder Terminal) in a set combination, the operation and maintenance requirements are wide, but the existing operation and maintenance device is difficult to adapt to the intelligent requirements after digital upgrading.
The technical problem to be solved by the technical personnel in the field is to provide an operation and maintenance device suitable for the intelligent switch.
SUMMERY OF THE UTILITY MODEL
The application aims at providing an operation and maintenance device for a power distribution network spring operation mechanism intelligent switch, which is used for realizing the operation and maintenance of the intelligent switch.
In order to solve the above technical problem, the application provides an operation and maintenance device for distribution network spring operation mechanism intelligence switch, includes: the system comprises an industrial personal computer, a program control source, a signal switcher, a primary signal output circuit and a secondary signal output circuit;
the first end of the industrial personal computer is connected with the control end of the program control source, the second end of the industrial personal computer is connected with the control end of the signal switcher, the input end of the primary signal output circuit and the input end of the secondary signal output circuit are respectively connected with the output ends of the program control source, the output end of the primary signal output circuit is connected with the control end of a primary circuit breaker of the tested intelligent switch, and the output end of the secondary signal output circuit is connected with the circuit breaker signal acquisition end of a secondary feeder terminal of the tested intelligent switch;
the signal switcher is used for switching and connecting the output end of the program control source and the input end of the primary signal output circuit or the output end of the program control source and the input end of the secondary signal output circuit;
the industrial personal computer is used for controlling the program control source to output a test signal corresponding to the tested object after controlling the signal switcher to connect the signal output end of the program control source with the signal input end of the tested object;
the measured object is the primary circuit breaker or the secondary feeder terminal.
Optionally, the primary signal output circuit specifically includes: the energy storage circuit comprises an opening control circuit, a closing control circuit and an energy storage circuit;
the output end of the opening control loop is connected with the opening control end of a spring operating mechanism of the primary circuit breaker, the output end of the closing control loop is connected with the closing control end of the spring operating mechanism, and the output end of the energy storage loop is connected with the driving end of an energy storage motor of the primary circuit breaker.
Optionally, the system further comprises a switching value signal acquisition circuit arranged between the signal feedback end of the primary circuit breaker and the third end of the industrial personal computer;
correspondingly, the industrial personal computer is also used for determining the test result of the primary circuit breaker according to the output signal of the primary signal output circuit and the signal acquired by the switching value signal acquisition circuit.
Optionally, the secondary signal output circuit specifically includes: a remote measuring signal output loop and a remote signaling signal output loop;
the output end of the telemetering signal output loop is used for being connected with an analog quantity signal acquisition end of the secondary feeder terminal; the industrial personal computer is also used for controlling the signal switcher to communicate with the output end of the program control source and the input end of the remote signaling signal output loop and then sending a remote measuring instruction to the program control source so that the program control source outputs a voltage analog quantity signal and/or a current analog quantity signal;
the remote signaling signal output circuit comprises a switching value generator, the control end of the switching value generator is connected with the fourth end of the industrial personal computer, and the output end of the switching value generator is used for being connected with a circuit breaker position signal acquisition end of the secondary feeder terminal; and the industrial personal computer is also used for controlling the signal switcher to communicate the output end of the program control source and the input end of the switching value generator and then sending a remote signaling deflection instruction to the switching value generator so that the switching value generator sends a remote signaling signal to the secondary feeder terminal.
Optionally, the system further comprises a communication connector which is arranged between a fifth end of the industrial personal computer and a communication end of the secondary feeder terminal and has a communication protocol function of the secondary feeder terminal, and an analog circuit breaker which is arranged between a remote control end of the secondary feeder terminal and a sixth end of the industrial personal computer;
the industrial personal computer is also used for controlling the secondary feeder terminal to send a remote control command to the analog circuit breaker through the communication connector, and then, a telecommand deflection signal is collected to the secondary feeder terminal, so that a remote control function operation and maintenance result of the secondary feeder terminal is formed according to the telecommand deflection signal and the remote control command.
Optionally, the system further comprises a standard table arranged between the output end of the telemetry signal output loop and the seventh end of the industrial personal computer;
the industrial personal computer is also used for acquiring the telemetering signals acquired by the secondary feeder terminal through the communication connector, and forming the operation and maintenance result of the telemetering function of the secondary feeder terminal according to the telemetering signals acquired by the standard meter and the telemetering signals acquired by the secondary feeder terminal.
Optionally, the telemetry signal output circuit specifically includes: a small signal analog quantity signal output loop and an electromagnetic secondary signal output loop;
the electromagnetic secondary signal output loop comprises a signal conversion circuit which is used for converting the small-signal analog quantity signal output by the program control source into an electromagnetic secondary signal.
Optionally, the method further includes: the aerial cable connector is arranged at the output end of the primary signal output circuit, and the aerial cable connector is arranged at the output end of the secondary signal output circuit.
Optionally, the aerial cable connector further comprises a terminal strip for carrying each aerial cable connector.
The application provides an operation and maintenance device for distribution network spring operation mechanism intelligence switch, it corresponds the programme-controlled source of this two sharing of primary circuit breaker and secondary signal output circuit at survey intelligence switch's primary circuit breaker and secondary feeder terminal respectively to provide, the output channel of programme-controlled source is realized through the control signal switch by the industrial computer, after having connected the primary circuit breaker and/or the secondary feeder terminal of being surveyed intelligence switch, can provide corresponding test signal for it, the intensification, portable operation and maintenance to being surveyed intelligence switch have been realized.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an operation and maintenance device for a power distribution network spring-operated mechanism intelligent switch according to an embodiment of the present disclosure;
wherein 101 is an industrial personal computer, 102 is a program control source, 103 is a signal switcher, 104 is a switching value generator, 105 is a switching value signal acquisition circuit, 106 is a standard meter, 107 is an analog circuit breaker, and 108 is a communication connector.
Detailed Description
The core of this application is to provide an fortune dimension device that is used for distribution network spring to behaviour mechanism intelligence switch, and portable fortune dimension of primary circuit breaker and secondary feeder terminal that can compatible intelligence switch has realized intelligent switch fortune dimension intensification and closed-loop engineering, has improved fortune dimension efficiency.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of an operation and maintenance device for a power distribution network spring-operated mechanism intelligent switch according to an embodiment of the present application.
As shown in fig. 1, an operation and maintenance device for a power distribution network spring-operated mechanism intelligent switch provided in an embodiment of the present application includes: the system comprises an industrial personal computer 101, a program control source 102, a signal switcher 103, a primary signal output circuit and a secondary signal output circuit;
the first end of the industrial personal computer 101 is connected with the control end of the program control source 102, the second end of the industrial personal computer 101 is connected with the control end of the signal switcher 103, the input end of the primary signal output circuit and the input end of the secondary signal output circuit are respectively connected with the output ends of the program control source 102, the output end of the primary signal output circuit is connected with the control end of the primary circuit breaker of the tested intelligent switch, and the output end of the secondary signal output circuit is connected with the circuit breaker signal acquisition end of the secondary feeder terminal of the tested intelligent switch;
the signal switcher 103 is used for switching and connecting the output end of the program control source 102 and the input end of the primary signal output circuit or the output end of the program control source 102 and the input end of the secondary signal output circuit;
the industrial personal computer 101 is used for controlling the program control source 102 to output a test signal corresponding to the tested object after the control signal switcher 103 connects the signal output end of the program control source 102 with the signal input end of the tested object;
the tested object is a primary circuit breaker or a secondary feeder terminal.
The primary circuit breaker and the secondary feeder terminal of the intelligent switch, which are operation and maintenance objects, are connected through the aviation cable, the intelligent switch sends remote measuring signals of voltage and current and remote signaling signals such as whether the switch position stores energy or not to the secondary feeder terminal through the aviation cable, and the secondary feeder terminal sends remote control commands through the aviation cable and drives the primary circuit breaker to be switched on and off. By applying the traditional operation and maintenance mode, technicians need to adopt different devices to respectively operate and maintain the primary circuit breaker and the secondary feeder terminal, which is very inconvenient.
Therefore, the operation and maintenance device for the intelligent switch of the power distribution network spring-operated mechanism provided by the application integrates the industrial personal computer 101, the program control source 102, the signal switcher 103, the primary signal output circuit and the secondary signal output circuit, the primary signal output circuit faces the primary circuit breaker, the secondary signal output circuit faces the secondary feeder terminal, the primary signal output circuit and the secondary signal output circuit share one program control source 102, the industrial personal computer 101 controls the signal switcher 103 to switch the program control source 102 to output test signals to different signal output loops, and therefore intensive operation and maintenance of the primary circuit breaker and the secondary feeder terminal of the tested intelligent switch are achieved.
Wherein, RS485 bus communication connection can be adopted between the first end of industrial computer 101 and the control end of programme-controlled source 102, between the second end of industrial computer 101 and the control end of signal switch 103 to based on RS485 communication, industrial computer 101 sends control command to programme-controlled source 102 and signal switch 103.
For the convenience of testing, the operation and maintenance device for the intelligent switch of the power distribution network spring operation mechanism provided by the embodiment of the application can further include: the aerial cable connector is arranged at the output end of the primary signal output circuit and the aerial cable connector is arranged at the output end of the secondary signal output circuit, so that the aerial cable connector is directly connected with a corresponding interface of the tested intelligent switch.
On the basis of the foregoing embodiments, in the operation and maintenance device for a power distribution network spring-operated mechanism intelligent switch provided in the embodiments of the present application, the primary signal output circuit specifically includes: the energy storage circuit comprises an opening control circuit, a closing control circuit and an energy storage circuit;
the output end of the switching-off control loop is connected with the switching-off control end of the spring operating mechanism of the primary circuit breaker, the output end of the switching-on control loop is connected with the switching-on control end of the spring operating mechanism, and the output end of the energy storage loop is connected with the driving end of the energy storage motor of the primary circuit breaker.
When the operation and maintenance of the remote control function of the primary breaker of the tested intelligent switch are carried out, the opening control end of the spring operating mechanism of the primary breaker is connected to the output end of the opening control loop, the industrial personal computer 101 sends a remote control instruction to the signal switcher 103 to enable the signal switcher 103 to be communicated with the output end of the program control source 102 and the opening control end of the primary breaker spring operating mechanism, the industrial personal computer 101 controls the program control source 102 to output a rated control signal of the primary breaker spring operating mechanism, and the operation and maintenance result is formed according to whether the opening command is successfully executed by the primary breaker spring operating mechanism or not by acquiring the opening remote signaling state of the primary breaker spring operating mechanism. Similarly, the industrial personal computer 101 respectively sends a remote control command to the signal switcher 103 so that the signal switcher 103 is communicated with the output end of the program control source 102 and the closing control end of the primary breaker spring operating mechanism, the industrial personal computer 101 controls the program control source 102 to output a rated control signal of the primary breaker spring operating mechanism, and an operation and maintenance result is formed according to whether the primary breaker spring operating mechanism successfully executes a closing command or not by acquiring a closing remote signaling state of the primary breaker spring operating mechanism.
When the operation and maintenance of the energy storage function of the primary circuit breaker of the tested intelligent switch are carried out, the driving end of the energy storage motor of the primary circuit breaker is connected with the output end of the energy storage loop, the industrial personal computer 101 sends a remote control command to the signal switcher 103 to enable the signal switcher 103 to communicate with the output end of the program control source 102 and the driving end of the primary circuit breaker energy storage motor, the industrial personal computer 101 controls the program control source 102 to output a rated driving signal of the primary circuit breaker energy storage motor, and the operation and maintenance result is formed by acquiring the energy storage remote signaling state of the primary circuit breaker energy storage motor.
Further, in order to improve the automation level of operation and maintenance, as shown in fig. 1, the operation and maintenance device for the intelligent switch of the power distribution network spring-operated mechanism provided in the embodiment of the present application may further include a switching value signal acquisition circuit 105 disposed between the signal feedback end of the primary circuit breaker and the third end of the industrial personal computer 101;
correspondingly, the industrial personal computer 101 is further configured to determine a test result of the primary circuit breaker according to the output signal of the primary signal output circuit and the signal acquired by the switching value signal acquisition circuit 105.
For example, when the operation and maintenance of the remote control function of the primary circuit breaker of the tested intelligent switch are performed, the switching position signal feedback end of the primary circuit breaker and the third end of the industrial personal computer 101 are connected in advance by the switching value signal acquisition circuit 105, and after the industrial personal computer 101 controls the program control source 102 to output the rated control signal of the primary circuit breaker spring operating mechanism, the industrial personal computer 101 reads the switching on/off state of the primary circuit breaker spring operating mechanism through the switching value signal acquisition circuit 105. When the operation and maintenance of the energy storage function of the primary breaker of the tested intelligent switch are carried out, the switching value signal acquisition circuit 105 is used for being connected with the energy storage remote signaling state signal feedback end of the primary breaker and the third end of the industrial personal computer 101 in advance, and after the industrial personal computer 101 controls the program control source 102 to output the rated driving signal of the primary breaker energy storage motor, the industrial personal computer 101 reads the energy storage remote signaling state of the primary breaker energy storage motor through the switching value signal acquisition circuit 105.
The operation and maintenance contents of the secondary feeder terminal of the intelligent switch can generally comprise remote measurement function operation and maintenance, remote signaling function operation and maintenance and remote control function operation and maintenance. The remote measurement refers to collecting and transmitting operation parameters including various electrical quantities (voltage, current, power and other quantities on a line), load flow and the like. Remote signaling refers to collecting and transmitting various protection and switching value information. Remote control means receiving and executing remote control commands, mainly switching on and off, and remotely controlling some remote switch control devices.
For the remote measurement function and the remote signaling function of the secondary feeder terminal, in the operation and maintenance device for the intelligent switch of the power distribution network spring-operated mechanism provided in the embodiment of the present application, the secondary signal output circuit may specifically include: a remote measuring signal output loop and a remote signaling signal output loop;
the output end of the telemetering signal output loop is used for being connected with an analog quantity signal acquisition end of a secondary feeder line terminal; the industrial personal computer 101 is further configured to send a telemetry command to the program control source 102 to enable the program control source 102 to output a voltage analog quantity signal and/or a current analog quantity signal after the control signal switcher 103 is communicated with the output end of the program control source 102 and the input end of the remote signaling signal output loop;
the remote signaling signal output circuit comprises a switching value generator 104, the control end of the switching value generator 104 is connected with the fourth end of the industrial personal computer 101, and the output end of the switching value generator 104 is used for being connected with a circuit breaker position signal acquisition end of the secondary feeder terminal; the industrial personal computer 101 is further configured to send a remote signaling displacement instruction to the switching value generator 104 after the control signal switch 103 communicates the output end of the program control source 102 and the input end of the switching value generator 104, so that the switching value generator 104 sends a remote signaling signal to the secondary feeder terminal.
The fourth end of the industrial personal computer 101 and the control end of the switching value generator 104 can also be in communication connection through an RS485 bus.
When the remote measurement function operation and maintenance of the tested intelligent switch secondary feeder terminal are carried out, the analog quantity signal acquisition end of the secondary feeder terminal is connected with the output end of a remote measurement signal output loop, the industrial personal computer 101 sends a remote measurement instruction to the signal switcher 103 so that the signal switcher 103 is communicated with the output end of the program control source 102 and the analog quantity signal acquisition end of the secondary feeder terminal, and the industrial personal computer 101 controls the program control source 102 to output a preset analog quantity signal which can be a voltage analog quantity signal or a current analog quantity signal. And comparing the telemetering signal acquired by the secondary feeder terminal with the output analog quantity signal to obtain the operation and maintenance result of the telemetering function of the secondary feeder terminal, and if the ratio of the error of the telemetering signal acquired by the secondary feeder terminal to the output analog quantity signal is greater than a first threshold value, determining that the telemetering function of the secondary feeder terminal is unqualified, otherwise, determining that the telemetering function of the secondary feeder terminal is qualified.
Specifically, the secondary feeder terminal has two forms of an electromagnetic secondary feeder terminal and an electronic secondary feeder terminal, and the telemetering signals of the secondary feeder terminal are respectively electromagnetic secondary signals and small-signal analog signals. Typically, the signal output by the programmable source 102 is a small-signal analog signal. Therefore, in the operation and maintenance device for the intelligent switch of the distribution network spring-operated mechanism provided by the embodiment of the application, the telemetering signal output loop specifically comprises: a small signal analog quantity signal output loop and an electromagnetic secondary signal output loop; the electromagnetic secondary signal output circuit includes a signal conversion circuit for converting the small-signal analog signal output by the program control source 102 into an electromagnetic secondary signal. For the electronic secondary feeder terminal, the signal switch 103 can directly output the rated small-signal analog signal output by the program control source 102 through the small-signal analog signal output loop. For the electromagnetic secondary feeder terminal, the signal switcher 103 switches the rated small-signal analog signal output by the program control source 102 to the signal conversion circuit, converts the small-signal analog signal into an electromagnetic secondary signal through a power amplifier, and outputs the electromagnetic secondary signal through the electromagnetic secondary signal output circuit.
When the remote signaling function operation and maintenance of the tested intelligent switch secondary feeder terminal are carried out, a breaker position signal acquisition end of the secondary feeder terminal is connected with an output end of a remote signaling signal output circuit (namely, an output end of the switching value generator 104), the industrial personal computer 101 sends a remote signaling instruction to enable the signal switcher 103 to be communicated with an output end of the program control source 102 and the breaker position signal acquisition end of the secondary feeder terminal, and the industrial personal computer 101 controls the switching value generator 104 to execute a remote signaling deflection command to enable the switching value generator 104 to output a switching value signal to the breaker position signal acquisition end of the secondary feeder terminal. And comparing the telecommand displacement command with a telecommand signal acquired by the secondary feeder terminal to obtain a telecommand function operation and maintenance result of the secondary feeder terminal, and if the ratio of the error of the telecommand displacement command to the standard value of the telecommand displacement command is greater than a second threshold value, determining that the telecommand function of the secondary feeder terminal is unqualified, otherwise, determining that the telecommand function of the secondary feeder terminal is qualified.
Specifically, during operation and maintenance of the remote signaling function of the secondary feeder terminal, the rated signal output by the program control source 102 is a direct current signal, and after the signal switch 103 switches the signal output by the program control source 102 to the remote signaling signal output loop, the program control source 102 sends the remote signaling power supply signal required by switching the output to the secondary feeder terminal to the input end of the switching value generator 104 according to the remote signaling instruction of the industrial personal computer 101.
In order to implement the test of the remote control function of the secondary feeder terminal, as shown in fig. 1, the operation and maintenance device for the intelligent switch of the distribution network spring-operated mechanism provided in the embodiment of the present application may further include a communication connector 108 having a communication protocol function of the secondary feeder terminal, which is disposed between the fifth end of the industrial personal computer 101 and the communication end of the secondary feeder terminal, and an analog circuit breaker 107 disposed between the remote control end of the secondary feeder terminal and the sixth end of the industrial personal computer 101;
the industrial personal computer 101 is further configured to, after controlling the secondary feeder terminal to send a remote control instruction to the analog circuit breaker 107 through the communication connector 108, retrieve a telecommand displacement signal to the secondary feeder terminal, so as to form a remote control function operation and maintenance result of the secondary feeder terminal according to the telecommand displacement signal and the remote control instruction.
The communication connector 108 may be connected to the fifth end of the industrial personal computer 101 through a network port. Based on the communication connector 108, the industrial personal computer 101 can read the relevant information of the secondary feeder terminal through the standard protocol of the secondary feeder terminal and issue a test command to the secondary feeder terminal.
When the remote control function of the tested intelligent switch secondary feeder terminal is operated and maintained, the remote control end of the secondary feeder terminal is connected with the input end of the analog circuit breaker 107, the position signal feedback end of the analog circuit breaker 107 is connected with the circuit breaker position signal acquisition end of the secondary feeder terminal, and the communication end of the secondary feeder terminal is connected with the communication connector 108. The industrial personal computer 101 sends a remote control instruction to the secondary feeder terminal in a communication protocol form through the communication connector 108, so that the secondary feeder terminal sends a remote control instruction to the analog circuit breaker 107, the analog circuit breaker 107 feeds corresponding switching value signals (on-position and off-position) back to the industrial personal computer 101 according to the type (control on and off) of the remote control instruction of the secondary feeder terminal, and meanwhile, the analog circuit breaker 107 returns a telecommand deflection signal to a circuit breaker position signal acquisition end of the secondary feeder terminal. The industrial personal computer 101 can retrieve the remote signaling deflection to the secondary feeder terminal in a communication protocol form through the communication connector 108, compare the remote signaling deflection with the issued remote control instruction, and determine the operation and maintenance result of the remote control function of the secondary feeder terminal according to the comparison result.
And based on the communication connector 108, the automation level of the operation and maintenance of the telemetering function and the operation and maintenance of the telemetering function of the secondary feeder terminal can be further improved, and the industrial personal computer 101 can realize command issuing and information recovery based on the communication connector 108 and the secondary feeder terminal, so that the closed-loop engineering of the operation and maintenance of the tested intelligent switch is realized. Specifically, the operation and maintenance device for the intelligent switch of the power distribution network spring operation mechanism provided by the embodiment of the application may further include a standard table 106 arranged between the output end of the telemetry signal output loop and the seventh end of the industrial personal computer 101;
the industrial personal computer 101 is further configured to obtain a telemetry signal acquired by the secondary feeder terminal through the communication connector 108, and form a telemetry function operation and maintenance result of the secondary feeder terminal according to the telemetry signal acquired by the standard meter 106 and the telemetry signal acquired by the secondary feeder terminal.
The standard table 106 may be connected to the seventh end of the industrial personal computer 101 through a network interface.
When the operation and maintenance of the telemetry function of the secondary feeder terminal of the tested intelligent switch are performed, the industrial personal computer 101 controls the program control source 102 to output a preset analog quantity signal, and then obtains the telemetry signal acquired by the secondary feeder terminal through the communication connector 108, so that the operation and maintenance result of the telemetry function of the secondary feeder terminal is formed according to the telemetry signal acquired by the standard meter 106 and the telemetry signal acquired by the secondary feeder terminal.
The industrial personal computer 101 may also be configured to obtain a telecommand signal acquisition result of the secondary feeder terminal through the communication connector 108 after sending a telecommand displacement instruction to the switching value generator 104 so that the switching value generator 104 sends a telecommand signal to the secondary feeder terminal, and form a telecommand function operation and maintenance result of the secondary feeder terminal according to the telecommand displacement instruction and the telecommand signal acquisition result.
For the convenience of testing, the operation and maintenance device for the intelligent switch of the power distribution network spring operation mechanism provided by the embodiment of the application can further include: the position signal feedback circuit comprises an aerial cable connector arranged at the input end of the switching value signal acquisition circuit 105, an aerial cable connector arranged at the input end of the analog circuit breaker 107 and an aerial cable connector arranged at the position signal feedback end of the analog circuit breaker 107.
For further convenience, the operation and maintenance device for the intelligent switch of the power distribution network spring-operated mechanism provided by the embodiment of the application may further include a terminal strip for carrying each aerial cable connector, so that all pins of the aerial cable connectors are connected to independent jacks.
As shown in fig. 1, a preferred embodiment of the operation and maintenance device for the intelligent switch of the distribution network spring-operated mechanism according to the embodiment of the present application may include an industrial personal computer 101, a program control source 102, a signal switch 103, a primary signal output circuit (including an opening control loop, a closing control loop, and an energy storage loop), a secondary signal output circuit (including a telemetry signal output loop and a telecommand signal output loop), a communication connector 108, an analog circuit breaker 107, a standard meter 106, an aerial cable connector, a terminal block, and a connection relationship between each part.
On this basis, an operation and maintenance script can be deployed in the industrial personal computer 101 in advance, so that when the industrial personal computer 101 receives an input operation and maintenance command, the operation and maintenance command is recognized to obtain an operation and maintenance item of the tested intelligent switch, the switching of the signal switcher 103 and the output of the program control source 102 and the switching value generator 104 are automatically controlled, a communication connection is automatically established with a secondary feeder terminal of the tested intelligent switch through the communication connector 108 to perform information acquisition or command issuing, and an operation and maintenance result is obtained according to a test result analysis mode corresponding to each operation and maintenance item.
The operation and maintenance items can comprise the operation and maintenance of the closing/opening function of the primary circuit breaker, the operation and maintenance of the energy storage function of the primary circuit breaker, the operation and maintenance of the remote measuring function of the secondary feeder terminal, the operation and maintenance of the remote signaling function of the secondary feeder terminal and the operation and maintenance of the remote control function of the secondary feeder terminal. The operation and maintenance result forming method can refer to the above embodiments, and is not described herein again.
The operation and maintenance device for the intelligent switch of the power distribution network spring operation mechanism provided by the application is described in detail above. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (9)
1. The utility model provides an operation and maintenance device that is used for distribution network spring to operate mechanism intelligence switch which characterized in that includes: the system comprises an industrial personal computer, a program control source, a signal switcher, a primary signal output circuit and a secondary signal output circuit;
the first end of the industrial personal computer is connected with the control end of the program control source, the second end of the industrial personal computer is connected with the control end of the signal switcher, the input end of the primary signal output circuit and the input end of the secondary signal output circuit are respectively connected with the output ends of the program control source, the output end of the primary signal output circuit is connected with the control end of a primary circuit breaker of the tested intelligent switch, and the output end of the secondary signal output circuit is connected with the circuit breaker signal acquisition end of a secondary feeder terminal of the tested intelligent switch;
the signal switcher is used for switching and connecting the output end of the program control source and the input end of the primary signal output circuit or the output end of the program control source and the input end of the secondary signal output circuit;
the industrial personal computer is used for controlling the program control source to output a test signal corresponding to the tested object after controlling the signal switcher to connect the signal output end of the program control source with the signal input end of the tested object;
the measured object is the primary circuit breaker or the secondary feeder terminal.
2. The operation device according to claim 1, wherein the primary signal output circuit specifically comprises: the energy storage circuit comprises an opening control circuit, a closing control circuit and an energy storage circuit;
the output end of the opening control loop is connected with the opening control end of a spring operating mechanism of the primary circuit breaker, the output end of the closing control loop is connected with the closing control end of the spring operating mechanism, and the output end of the energy storage loop is connected with the driving end of an energy storage motor of the primary circuit breaker.
3. The operation and maintenance device according to claim 1, further comprising a switching value signal acquisition circuit arranged between a signal feedback end of the primary circuit breaker and a third end of the industrial personal computer;
correspondingly, the industrial personal computer is also used for determining the test result of the primary circuit breaker according to the output signal of the primary signal output circuit and the signal acquired by the switching value signal acquisition circuit.
4. The operation device according to claim 1, wherein the secondary signal output circuit specifically comprises: a remote measuring signal output loop and a remote signaling signal output loop;
the output end of the telemetering signal output loop is used for being connected with an analog quantity signal acquisition end of the secondary feeder terminal; the industrial personal computer is also used for controlling the signal switcher to communicate with the output end of the program control source and the input end of the remote signaling signal output loop and then sending a remote measuring instruction to the program control source so that the program control source outputs a voltage analog quantity signal and/or a current analog quantity signal;
the remote signaling signal output circuit comprises a switching value generator, the control end of the switching value generator is connected with the fourth end of the industrial personal computer, and the output end of the switching value generator is used for being connected with a circuit breaker position signal acquisition end of the secondary feeder terminal; and the industrial personal computer is also used for controlling the signal switcher to communicate the output end of the program control source and the input end of the switching value generator and then sending a remote signaling deflection instruction to the switching value generator so that the switching value generator sends a remote signaling signal to the secondary feeder terminal.
5. The operation and maintenance device according to claim 4, further comprising a communication connector having a communication protocol function of the secondary feeder terminal and arranged between a fifth terminal of the industrial personal computer and a communication terminal of the secondary feeder terminal, and an analog circuit breaker arranged between a remote control terminal of the secondary feeder terminal and a sixth terminal of the industrial personal computer;
the industrial personal computer is also used for controlling the secondary feeder terminal to send a remote control command to the analog circuit breaker through the communication connector, and then, a telecommand deflection signal is collected to the secondary feeder terminal, so that a remote control function operation and maintenance result of the secondary feeder terminal is formed according to the telecommand deflection signal and the remote control command.
6. The operation and maintenance device according to claim 5, further comprising a standard table disposed between the output of the telemetry signal output loop and a seventh end of the industrial personal computer;
the industrial personal computer is also used for acquiring the telemetering signals acquired by the secondary feeder terminal through the communication connector, and forming the operation and maintenance result of the telemetering function of the secondary feeder terminal according to the telemetering signals acquired by the standard meter and the telemetering signals acquired by the secondary feeder terminal.
7. The operation and maintenance device according to claim 4, wherein the telemetry signal output circuit specifically comprises: a small signal analog quantity signal output loop and an electromagnetic secondary signal output loop;
the electromagnetic secondary signal output loop comprises a signal conversion circuit which is used for converting the small-signal analog quantity signal output by the program control source into an electromagnetic secondary signal.
8. The operation and maintenance device according to claim 1, further comprising: the aerial cable connector is arranged at the output end of the primary signal output circuit, and the aerial cable connector is arranged at the output end of the secondary signal output circuit.
9. The operation and maintenance device of claim 8, further comprising a terminal strip for carrying each of said aerial cable connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755053.XU CN215344086U (en) | 2021-04-13 | 2021-04-13 | Operation and maintenance device for intelligent switch of power distribution network spring operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120755053.XU CN215344086U (en) | 2021-04-13 | 2021-04-13 | Operation and maintenance device for intelligent switch of power distribution network spring operation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN215344086U true CN215344086U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120755053.XU Active CN215344086U (en) | 2021-04-13 | 2021-04-13 | Operation and maintenance device for intelligent switch of power distribution network spring operation mechanism |
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| Country | Link |
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| CN (1) | CN215344086U (en) |
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2021
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