CN210780231U - Intelligent distributed comprehensive test platform - Google Patents

Intelligent distributed comprehensive test platform Download PDF

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CN210780231U
CN210780231U CN201922181193.6U CN201922181193U CN210780231U CN 210780231 U CN210780231 U CN 210780231U CN 201922181193 U CN201922181193 U CN 201922181193U CN 210780231 U CN210780231 U CN 210780231U
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power supply
module
automation device
feeder automation
switch
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程华志
曾毅华
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Zhuhai Strom Electrical Co ltd
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Zhuhai Strom Electrical Co ltd
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Abstract

The utility model provides an intelligence distributing type integrated test platform, this integrated test platform includes two power supply unit and at least one terminal module, terminal module is by switching power supply module, feeder automation device, the fault simulation module, the control unit, communication unit constitutes, send corresponding signal of telecommunication simulation circuit breaker divide-shut brake condition through fault simulation module, combine the control unit, feeder automation device and communication unit carry out fault localization to terminal module, fault isolation and recovery power supply, the communication unit interconnect that each terminal module corresponds carries out the interaction of communication data, realize the information interaction of adjacent intelligence distributing type distribution terminal module in the same power supply loop. The intelligent distributed comprehensive test platform overcomes the defect that the traditional demonstration test platform can only be used for demonstrating by a single device, greatly helps to check programs, detect defects and fill leaks, can also demonstrate and explain new products and new functions for customers, and has the advantages of clear structure and strong simulation.

Description

Intelligent distributed comprehensive test platform
Technical Field
The utility model belongs to the technical field of the distribution network test, especially, relate to an intelligence distributing type integrated test platform.
Background
With the development of economy in China and the improvement of living standards of people, the overall demand of society for power resources is more and more large, in order to relieve the increasingly-growing objective demand of people for power resources and ensure the safety and effectiveness of an intelligent distribution network, the overall operation mode of the intelligent distribution network must be further optimized on the basis of fully determining the weak part of a power grid in operation, the occurrence rate of power failure accidents is reduced, the power failure range is reduced to the greatest extent in a controllable range under the condition that the power failure accidents cannot be completely avoided, and the losses of users and power supply enterprises are reduced.
The intelligent distributed feeder automation has good popularization and application prospect due to outstanding advantages. The power distribution terminal adopting the intelligent distributed feeder automation technology realizes information interaction with adjacent intelligent distributed power distribution terminals in the same power supply loop through a high-speed communication network, fault location and fault isolation are automatically realized according to preset conditions, non-fault area recovery is realized, rapid fault isolation and self-healing can be realized, the possibility of continuous accident power failure of a faultless line is greatly reduced, the fault power failure range is greatly reduced, the power failure time of a user is shortened, the power supply reliability of the user is improved, and the safe operation coefficient of a power grid is improved. Due to the characteristics of intelligent distributed feeder automation, the intelligent distributed feeder can be widely applied to intelligent distribution networks in the future.
At present, in actual engineering, due to the limitation of field conditions, only single-device-level testing is often performed, continuous working condition simulation required by system-level testing is completed by manual cooperation, system performance is also evaluated manually, and various problems such as high requirement on personnel, long time consumption, incomplete testing, low testing efficiency and the like are exposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a clear structure, the strong intelligent distributed integrated test platform of emulation nature, send corresponding signal of telecommunication simulation circuit breaker divide-shut brake condition through trouble analog module in this intelligent distributed integrated test platform, combine feeder automation equipment and communication unit to carry out fault localization, fault isolation and resume the power supply to terminal module to combine two power supply units and a plurality of terminal module to form same power supply loop.
According to the utility model provides a technical scheme: an intelligent distributed comprehensive test platform comprises a power supply module, at least one terminal module, a feeder automation device and a communication unit;
the power supply module provides power for the test platform and comprises two power supply units;
the at least one terminal module is used for simulating a power utilization unit, receiving power supply of the power supply module, respectively connecting the power supply module and the power supply module to form a power supply loop, and comprises a switch power supply module, a fault simulation module and a control unit;
the switching power supply is respectively connected with the feeder automation device, the fault simulation module, the control unit and the communication unit, and converts a power supply input by the power supply unit into a power supply which can be used by the feeder automation device, the fault simulation module, the control unit and the communication unit;
the fault simulation module is respectively electrically connected with the control unit and the feeder automation device, and is used for simulating the normal or fault state of the terminal module and generating corresponding electric signals;
the control unit is respectively electrically connected with the fault simulation module and the feeder automation device, and is used for receiving the electric signal of the fault simulation module, performing corresponding logic processing and performing data exchange with the feeder automation device;
the feeder automation device is respectively connected with the control unit, the fault simulation module and the communication unit, detects the running state of the terminal module, and carries out fault location, fault isolation and power restoration on the terminal module, and feeds back the running data of the corresponding terminal module to the communication unit;
the communication units are connected with the feeder automation device, and the communication units corresponding to the terminal modules are mutually connected and used for exchanging data of the running state parameters of the corresponding terminal modules.
Furthermore, the power supply units include an air switch, a first transformer and a second transformer, one end of the air switch is connected with the commercial power AC220V, the other end of the air switch is connected with the switching power supply module of the terminal module after passing through the first transformer and the second transformer, and the two power supply units and at least one of the terminal modules form a same power supply loop.
Furthermore, the fault simulation module further comprises a remote/local switch, a power supply end of the remote/local switch is connected with the switching power supply module, a local end of the remote/local switch is connected with a selection button, the selection button is respectively connected with a closing button and an opening button, the closing button and the opening button are respectively connected with the control unit, and a remote end of the remote/local switch is respectively connected with the control unit and the feeder automation device;
when the remote/local switch is shifted to the local end, the selection button is connected and electrified, and the on-off state of the circuit breaker is simulated by touching the closing button and the opening button;
when the remote/local switch is shifted to the remote end, the feeder automation device is communicated and receives an input signal from the remote PC end fed back by the communication unit, so that remote control brake opening and closing is realized.
Furthermore, the fault simulation module further comprises a fault on-off switch, the fault on-off switch is connected with the control unit, and the overcurrent of the line is simulated by outputting the maximum simulation current.
Further, the terminal module further comprises a protection closing pressing plate, a protection opening pressing plate, a locking reclosing pressing plate and an automatic total switching-on and switching-off pressing plate, wherein one end of each of the protection closing pressing plate and the protection opening pressing plate is connected with the feeder automation device and the other end of each of the protection closing pressing plate and the protection opening pressing plate is connected with the control unit, the locking reclosing pressing plate and the automatic total switching-off pressing plate are connected with the feeder automation device, the locking reclosing pressing plate is used for locking the reclosing function of the feeder automation device, and the automatic total switching-off pressing plate is used for locking the automation function of the feeder automation device.
Further, the terminal module further includes a mode switch, connected to the feeder automation device, for switching a working mode of the feeder automation device, where the working mode includes a working mode with three logic functions of voltage type, conventional type, and distributed type.
Furthermore, the terminal module further comprises a locking releasing button, and the locking releasing button is connected to the feeder automation device and used for releasing the manual switching-off, locking and switching-on functions of the feeder automation device in a voltage type and distributed working mode.
Further, the terminal module further comprises a closing signal lamp, an opening signal lamp and a fault lamp, wherein the closing signal lamp, the opening signal lamp and the fault lamp are respectively connected with the switching power supply module and the control unit and are used for correspondingly displaying different states of the terminal module.
The utility model has the advantages that:
the utility model discloses an intelligence distributing type integrated test platform includes two power supply unit, at least one terminal module, feeder automation device and communication unit, terminal module includes switching power supply module, fault simulation module and the control unit, send corresponding signal of telecommunication simulation circuit breaker divide-shut brake condition through fault simulation module, combine feeder automation device and communication unit to carry out fault location to terminal module, fault isolation and recovery power supply, the communication unit interconnect that each terminal module corresponds carries out communication data's interaction, realize the information interaction of adjacent intelligent distributing type distribution terminal module in the same power supply loop. The intelligent distributed comprehensive test platform overcomes the defect that the traditional demonstration test platform can only be used for demonstrating by a single device, greatly helps to check programs, detect defects and fill leaks, can also demonstrate and explain new products and new functions for customers, and has the advantages of clear structure and strong simulation.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is an overall work flow diagram of the intelligent distributed integrated test platform provided by the present invention.
Fig. 2 is a structural diagram of the remote/local switch, the mode selector switch and the unlocking button of the intelligent distributed integrated test platform.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment provides an intelligent distributed comprehensive test platform which comprises a power supply module, at least one terminal module, a feeder automation device and a communication unit;
the power supply module is used for supplying power to the test platform and comprises two power supply units, namely a first power supply unit 11 and a second power supply unit 12;
the system also comprises two terminal modules, namely a first terminal module 2 and a second terminal module 3, which are used for simulating an electricity utilization unit, receiving power supply of a power supply module, respectively connecting a first power supply unit 11 and a second power supply unit 12, and forming a power supply loop with the first power supply unit 11 and the second power supply unit 12;
the first terminal module 2 includes a first switching power supply module 21, a first fault simulation module 22, and a first control unit 23; the first terminal module 2 is correspondingly provided with a first feeder automation device 24 and a first communication unit 25;
the second terminal module 3 includes a second switching power supply module 31, a second fault simulation module 32, and a second control unit 33; the second terminal module 3 is correspondingly provided with a second feeder automation device 34 and a second communication unit 35;
the switching power supply is respectively connected with the feeder automation device, the fault simulation module, the control unit and the communication unit, and converts the power supply input by the power supply unit into a power supply which can be used by the feeder automation device, the fault simulation module, the control unit and the communication unit;
the fault simulation module is respectively electrically connected with the control unit and the feeder automation device, and is used for simulating the normal or fault state of the terminal module and generating corresponding electric signals;
the control unit is respectively electrically connected with the fault simulation module and the feeder automation device, and is used for receiving the electric signal of the fault simulation module, performing corresponding logic processing and exchanging data with the feeder automation device;
the feeder automation device is respectively connected with the control unit, the fault simulation module and the communication unit, detects the operation state of the terminal module, performs fault location, fault isolation and power restoration on the terminal module, and feeds back the operation data of the corresponding terminal module to the communication unit;
the communication units are connected with the feeder automation device, and the communication units corresponding to each terminal module are mutually connected and used for exchanging data of the running state parameters of the corresponding terminal modules.
It should be noted that, in this embodiment, two power supply units and two terminal modules are adopted, and the power supply module includes two power supply units, which are the first power supply unit 11 and the second power supply unit 12, respectively, and are connected with the first terminal module 2 and the second terminal module 3 to form a same power supply loop, so that when a certain power supply unit fails, power can be taken from another power supply unit, and the probability of failure is reduced. Each terminal module comprises a switch power supply module, a fault simulation module and a control unit, and correspondingly, a feeder automation device and a communication unit are also arranged, wherein the switch power supply module, the fault simulation module, the control unit, the feeder automation device and the communication unit have the same functions in respective systems, corresponding electric signals are sent by the fault simulation module to simulate the switching-on and switching-off conditions of a breaker, fault positioning, fault isolation and power restoration are carried out on the terminal modules by combining the feeder automation device and the communication unit, the communication units corresponding to the terminal modules are mutually connected and carry out communication data interaction, and the information interaction of adjacent intelligent distributed power distribution terminal modules in the same power supply loop is realized.
The power supply units comprise air switches, first transformers and second transformers, one ends of the air switches are connected with the commercial power AC220V, the other ends of the air switches are connected with the switching power supply modules of the terminal modules after passing through the first transformers and the second transformers, and the two power supply units and at least one terminal module form a same power supply loop.
It should be noted that, one end of the air switch is connected to the commercial power AC220V, and the other end is connected to the first transformer and the second transformer, wherein the first transformer outputs AC110V, the second transformer outputs AC6V, and the switching power supply module is a 48/24V switching power supply, which outputs 48/24V dc power, and is connected to the feeder automation device, the communication unit, and the control unit, so as to provide power for the feeder automation device.
As shown in fig. 2, the fault simulation module further includes a remote/local switch 4, a power supply end of the remote/local switch 4 is connected to the switching power supply module, a local end 41 of the remote/local switch 4 is connected to a selection button 51, the selection button 51 is respectively connected to a closing button 52 and a opening button 53, the closing button 52 and the opening button 53 are respectively connected to the control unit, and a remote end 42 of the remote/local switch 4 is respectively connected to the control unit and the feeder automation device;
when the remote/local switch 4 is shifted to the local end 41, the selection button 51 is connected and electrified, and the on-off state of the circuit breaker is simulated by touching the closing button 52 and the opening button 53;
when the remote/local switch 4 is shifted to the remote end 42, the feeder automation device is connected and receives the input signal from the remote PC end fed back by the communication unit, so as to realize remote control brake opening and closing.
It should be noted that, the remote end 42 control or the local end 41 control is switched by the remote/local switch 4, when the remote/local switch 4 is toggled to the local end 41, the selection button 51 is connected to power on, and the on-off state of the circuit breaker is simulated by touching the closing button 52 and the opening button 53; when the remote/local switch 4 is shifted to the remote end 42, a remote signaling point of the feeder automation device is communicated, the feeder automation device can recognize the AT command transmitted from the remote place only when the remote end 42 is in the state, the AT command is transmitted to the communication unit by the main station (PC end) through GPRS or Ethernet, and the communication unit is accessed to the feeder automation device through an RS485 communication line, so that remote control switch-off and switch-on are realized.
The fault simulation module further comprises a fault on-off switch, the fault on-off switch is connected with the control unit, and the overcurrent of the line is simulated by outputting the maximum simulation current.
It should be noted that the maximum output current of the fault on/off switch is 1.5A, which is mainly used for simulating line overcurrent.
The terminal module further comprises a protection closing pressing plate, a protection opening pressing plate, a locking reclosing pressing plate and an automatic total switching-on and switching-off pressing plate, the protection closing pressing plate and the protection opening pressing plate are respectively connected with the feeder automation device at one end and the control unit at the other end, the disconnection and switching-on connection between the feeder automation device and the control unit is cut off, the locking reclosing pressing plate and the automatic total switching-off pressing plate are connected with the feeder automation device, the locking reclosing pressing plate is used for locking the reclosing function of the feeder automation device, and the automatic total switching-off pressing plate is used for locking the automation function of the feeder automation device.
The protection switching-on pressing plate and the protection switching-off pressing plate are used for manually simulating mechanism faults (the faults cannot be tripped or cannot be switched on), and the tripping protection switching-on pressing plate and the protection switching-off pressing plate cut off the switching-on and switching-off connection between the feeder automation device and the main control board; the locking reclosing pressure plate is connected to a remote signaling point of the feeder automation device, and the locking feeder automation device is reclosed after the pressure plate is closed; the automatic main switching pressing plate is also connected to a remote signaling point of the feeder automation device, and the automatic function (such as voltage time type, intelligent distribution and network spare power automatic switching) of the feeder automation device is locked after the pressing plate is closed.
As shown in fig. 2, the terminal module further includes a mode switch 6, where the mode switch 6 is connected to the feeder automation device and is used to switch the working modes of the feeder automation device, and the working modes include working modes of voltage type, conventional type, and distributed type logic functions.
It should be noted that the mode selector switch 6 is used to switch the working modes (voltage type, conventional type, and distributed type) of the feeder automation device, and the voltage type, conventional type, and distributed type correspond to three working modes with different logic functions, and the voltage type: realizing fault isolation according to the collected voltage and the time; the conventional type: the device is only provided with conventional three-section overcurrent and overvoltage protection, and is generally used for branching; distributed: networking in a region is carried out through a network, information of each terminal module is shared, and fault points are identified through network intercommunication, so that faults are isolated. The integrated test platform is provided with a subsection and a branch, wherein a voltage type working mode and a distributed working mode are used for the subsection, and a conventional working mode is used for the branch.
The terminal module further comprises a locking releasing button 7, and the locking releasing button 7 is connected to the feeder automation device and used for releasing the manual switching-off, locking and switching-on functions of the feeder automation device in a voltage type and distributed working mode.
It should be noted that the unlocking button 7 is also connected to a remote signaling point of the feeder automation device, the voltage type and distributed operating mode of the feeder automation device has a function of manual opening and closing, and the unlocking button 7 is used for unlocking the manual opening and closing function.
The terminal module further comprises a closing signal lamp, an opening signal lamp and a fault lamp, wherein the closing signal lamp, the opening signal lamp and the fault lamp are respectively connected with the switching power supply module and the control unit and are used for correspondingly displaying different states of the terminal module.
It should be noted that, when the fault simulation module is adjusted to enable the terminal module to have different working states, the corresponding closing signal lamp, opening signal lamp and fault lamp will be turned on, and the closing signal lamp, opening signal lamp and fault lamp are powered by the switching power supply module and are controlled to be turned on and off by the control unit.
The intelligent distributed comprehensive test platform of this embodiment includes two power supply units, two terminal modules, feeder automation equipment and communication unit, every terminal module all includes switching power supply module, fault simulation module and the control unit, send corresponding signal of telecommunication simulation circuit breaker divide-shut brake condition through fault simulation module, combine feeder automation equipment and communication unit to carry out fault localization to terminal module, fault isolation and recovery power supply, the communication unit interconnect that each terminal module corresponds carries out the interaction of communication data, realize the information interaction of adjacent intelligent distributed distribution terminal module in same power supply loop. In addition, in the case of two power supply units, at least one terminal module can be provided, and a plurality of terminal modules can also perform the same function according to the same connection method. The intelligent distributed comprehensive test platform overcomes the defect that the traditional demonstration test platform can only be used for demonstrating by a single device, greatly helps to check programs, detect defects and fill leaks, can also demonstrate and explain new products and new functions for customers, and has the advantages of clear structure and strong simulation.
Finally, it should be emphasized that the present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the invention, and is not limited to the embodiments, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (8)

1. An intelligent distributed comprehensive test platform is characterized by comprising a power supply module, at least one terminal module, a feeder automation device and a communication unit;
the power supply module provides power for the test platform and comprises two power supply units;
the at least one terminal module is used for simulating a power utilization unit, receiving power supply of the power supply module, respectively connecting the power supply module and the power supply module to form a power supply loop, and comprises a switch power supply module, a fault simulation module and a control unit;
the switching power supply is respectively connected with the feeder automation device, the fault simulation module, the control unit and the communication unit, and converts a power supply input by the power supply unit into a power supply which can be used by the feeder automation device, the fault simulation module, the control unit and the communication unit;
the fault simulation module is respectively electrically connected with the control unit and the feeder automation device, and is used for simulating the normal or fault state of the terminal module and generating corresponding electric signals;
the control unit is respectively electrically connected with the fault simulation module and the feeder automation device, and is used for receiving the electric signal of the fault simulation module, performing corresponding logic processing and performing data exchange with the feeder automation device;
the feeder automation device is respectively connected with the control unit, the fault simulation module and the communication unit, detects the running state of the terminal module, and carries out fault location, fault isolation and power restoration on the terminal module, and feeds back the running data of the corresponding terminal module to the communication unit;
the communication units are connected with the feeder automation device, and the communication units corresponding to the terminal modules are mutually connected and used for exchanging data of the running state parameters of the corresponding terminal modules.
2. The intelligent distributed integrated test platform as claimed in claim 1, wherein the power supply units comprise an air switch, a first transformer and a second transformer, one end of the air switch is connected with the commercial power AC220V, the other end of the air switch is connected with the switching power supply module of the terminal module after passing through the first transformer and the second transformer, and two power supply units and at least one terminal module form the same power supply loop.
3. The intelligent distributed integrated test platform of claim 2, wherein the fault simulation module further comprises a remote/local switch, a power end of the remote/local switch is connected with the switching power supply module, a local end of the remote/local switch is connected with a selection button, the selection button is respectively connected with a closing button and a breaking button, the closing button and the breaking button are respectively connected with the control unit, and the remote end of the remote/local switch is respectively connected with the control unit and the feeder automation device;
when the remote/local switch is shifted to the local end, the selection button is connected and electrified, and the on-off state of the circuit breaker is simulated by touching the closing button and the opening button;
when the remote/local switch is shifted to the remote end, the feeder automation device is communicated and receives an input signal from the remote PC end fed back by the communication unit, so that remote control brake opening and closing is realized.
4. The intelligent distributed integrated test platform of claim 3, wherein the fault simulation module further comprises a fault on/off switch, the fault on/off switch is connected to the control unit, and the fault on/off switch simulates line overcurrent by outputting a maximum simulation current.
5. The intelligent distributed integrated test platform of claim 4, wherein the terminal module further comprises a protection switch-on pressing plate, a protection switch-off pressing plate, a locking reclosing pressing plate and an automatic total switching-on/off pressing plate, wherein one end of each of the protection switch-on pressing plate and the protection switch-off pressing plate is connected with the feeder automation device, the other end of each of the protection switch-on pressing plate and the protection switch-off pressing plate is connected with the control unit, the protection switch-on pressing plate and the protection switch-off pressing plate are used for cutting off switch-on and switch-off connection between the feeder automation device and the control unit, the locking reclosing pressing plate and the automatic total switching-on/off pressing plate are connected with the feeder automation device, the locking reclosing pressing plate is used for locking the reclosing function of.
6. The intelligent distributed integrated test platform of claim 5, wherein the terminal module further comprises a mode switch, connected to the feeder automation device, for switching the operation mode of the feeder automation device, the operation mode including three logic functions of voltage mode, normal mode and distributed mode.
7. The intelligent distributed integrated test platform of claim 6, wherein the terminal module further comprises an unblocking button connected to the feeder automation device for unblocking a manual opening and closing function of the feeder automation device in a voltage-type, distributed mode of operation.
8. The intelligent distributed integrated test platform of claim 7, wherein the terminal modules further comprise a closing signal lamp, an opening signal lamp, and a fault lamp, and the closing signal lamp, the opening signal lamp, and the fault lamp are respectively connected to the switching power supply module and the control unit, and are used for correspondingly displaying different states of the terminal modules.
CN201922181193.6U 2019-12-06 2019-12-06 Intelligent distributed comprehensive test platform Active CN210780231U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113203911A (en) * 2021-05-28 2021-08-03 广东电网有限责任公司 Full-automatic simulation test method and system for feeder self-healing master station
CN115497364A (en) * 2022-08-26 2022-12-20 贵州电网有限责任公司 Method and system for switching preset logic of power distribution network moving platform multi-mode terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113203911A (en) * 2021-05-28 2021-08-03 广东电网有限责任公司 Full-automatic simulation test method and system for feeder self-healing master station
CN115497364A (en) * 2022-08-26 2022-12-20 贵州电网有限责任公司 Method and system for switching preset logic of power distribution network moving platform multi-mode terminal

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