CN208636396U - Feeder switch operating condition adaptive modeling device - Google Patents
Feeder switch operating condition adaptive modeling device Download PDFInfo
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- CN208636396U CN208636396U CN201821295082.7U CN201821295082U CN208636396U CN 208636396 U CN208636396 U CN 208636396U CN 201821295082 U CN201821295082 U CN 201821295082U CN 208636396 U CN208636396 U CN 208636396U
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Abstract
The utility model discloses feeder switch operating condition adaptive modeling devices, it is related to Distribution Automation Technology field, the simulator includes single-chip microcontroller, programmable logic array, liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit, it not only can be with mimic-disconnecting switch, various types of panel switches such as on-load switch, simultaneously can and electromagnetism, spring, permanent magnetism and the operating mechanism of the various voltage type grades of AC/DC380~24V realize adaptive interface, can at feeder line where automatic imitation panel switches accidental conditions and various malfunction operating conditions, occur including failure, electric characteristic state in troubleshooting and failover procedure, to which the on-the-spot test for distribution terminal provides one and the consistent electric state of practical panel switches and mechanical environment, and Receive the control of distribution terminal, actual switch is replaced to achieve the purpose that uninterrupted power test.
Description
Technical field
The utility model relates to Distribution Automation Technology fields, more particularly to feeder switch operating condition adaptive modeling device.
Background technique
Guo Wang Shaanxi Electric Power Research Institute Liu Jian professor, Shanghai Communications University Liu Dong professor et al. and both at home and abroad distribution are certainly
Dynamicization engineers and technicians have conducted extensive research electrical power distribution automatization system measuring technology, obtain multinomial patent, deliver
A series of papers publish monographs such as " electrical power distribution automatization system measuring technologies ", the research in terms of power distribution automation still into
Row.
But at present relay protection of power system common breaker simulator can only high voltage breaker simulator, cannot simulate
Other kinds of panel switches.Power distribution automation measuring technology is not stopped currently without the type feeder automation scene on the spot that is able to solve
Electrical testing and the test simulator welcome by Field Force.
Utility model content
The utility model embodiment provides feeder switch operating condition adaptive modeling device, can solve and exists in the prior art
The problem of.
The utility model provides feeder switch operating condition adaptive modeling device, which includes single-chip microcontroller, may be programmed and patrol
Collect array, liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit；
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array,
The feeder line Work condition analogue circuit and self adaptive control interface circuit are electrically connected with the programmable logic array, the feeder line
Work condition analogue circuit is electrically connected with external PT power supply and measured terminal, the self adaptive control interface circuit and measured terminal
Electrical connection, the input/output interface circuit are electrically connected with measured terminal.
Feeder switch operating condition adaptive modeling device in the utility model embodiment, not only can be with mimic-disconnecting switch, load
Various types of panel switches such as switch, while can be with the various voltage classes of electromagnetism, spring, permanent magnetism and AC/DC380~24V
The operating mechanism of type grade realizes adaptive interface, can be with the accidental conditions where automatic imitation panel switches at feeder line
With various malfunction operating conditions, occur including failure, the electric characteristic state in troubleshooting and failover procedure, to be
The on-the-spot test offer one of distribution terminal and the consistent electric state of practical panel switches and mechanical environment, and receive distribution end
The control at end replaces actual switch to achieve the purpose that uninterrupted power test.Meet the safety of State Grid Corporation of China's distribution terminal standard
The safely and fast wiring of pre-fabricated electric cables connector assembly improves testing efficiency, ensures test safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the integrated circuit connection figure of feeder switch operating condition adaptive modeling device provided by the embodiment of the utility model；
Circuit connection diagram when Fig. 2 is simulator progress feeder switch interface adaptive in Fig. 1；
Circuit connection diagram when Fig. 3 is simulator progress feeder line Work condition analogue in Fig. 1；
Fig. 4 is the fast-wiring connection figure of feeder switch operating condition adaptive modeling device provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig.1, feeder switch operating condition adaptive modeling device is provided in the utility model embodiment, which includes
It is single-chip microcontroller, programmable logic array, liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit, self-adaptive controlled
Externally input power supply is converted to suitable voltage by interface circuit and power circuit processed, the power circuit, for the monolithic
Machine, programmable logic array, liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control
Interface circuit uses.
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array,
The feeder line Work condition analogue circuit and self adaptive control interface circuit are all connected with the programmable logic array.The single-chip microcontroller
Data communication, the feeder line Work condition analogue circuit and outside are carried out by RS485 or WiFi mode and automatic intelligent tester
PT power supply and measured terminal be electrically connected, the self adaptive control interface circuit is electrically connected with measured terminal, it is described input it is defeated
Outgoing interface circuit is electrically connected with measured terminal.
It include AC/DC, DC/DC level shifting circuit in the power circuit referring to Fig. 2, which will be from tested
The power supply of ACDC380~24V of terminal input is converted to 0/5V power supply, is input in the single-chip microcontroller.Have in the single-chip microcontroller
There are multiple delay units, the signal by level conversion is input in the delay unit, is had in the programmable logic array
Switchtype coding and decoding circuit and switch operation control logic circuit, the switchtype coding and decoding circuit is for controlling class
The input terminal of the selection state of type switching switch, the type switching switch is connected to the output end of the delay unit, works as type
When switching switch is in different switching states, the delay unit is to be connected to different switch operation control logic circuits, i.e.,
The adaptive interface circuit for switching to needs.
The self adaptive control interface circuit is substantially relay, the relay by programmable logic array control,
Input terminal is connect with the output end of switch operation control logic circuit, the control circuit connection of output end and measured terminal.Work as institute
State type switching switching be connected to needs switch operation control logic circuit when, the relay also will switch operation control
Logic circuit processed is connect with measured terminal, realizes the adaptive interface of operation control circuit.
The various circuit breaker type panel switches of preprogramming and various on-load switch types are matched in the programmable logic array
The control logic of electromagnetic operating mechanism, spring operating mechanism, the permanent-magnet operating mechanism of electric switch etc..The single-chip microcontroller receives automatic
Change the data such as switchtype control instruction and the switch divide-shut brake delay that intelligent tester is sent, is sent to after parsing described
Programmable logic array, the programmable logic array are switched after receiving information by switchtype coding and decoding circuit control type
The switching state of switch.
The programmable logic array can be extended at any time the switchtype not having with online programming, with
It forms the switch needed and operates control logic circuit.
Referring to Fig. 3, also there is fault type state to control decoder, the fault type shape in the programmable logic array
State control decoder is used to control the state of fault type switching switch.When single-chip microcontroller receives malfunction characteristic,
The programmable logic array is sent to after parsing, which controls decoder control by fault type state
Fault type switches switching to the state needed.
Feeder line Work condition analogue circuit essence is also relay, the relay by programmable logic array control,
Input terminal is electrically connected with the output end of fault type switching switch, and output end is electrically connected with the secondary of malfunction transformer, therefore
Primary and the PT power electric connection of barrier state transformer.When fault type switching switching to the state needed, after
Fault type switching switch is also connected to the different location of malfunction transformer secondary coil by electric appliance, so that the failure shape
State transformer is in different no-load voltage ratios, and then controls PT power supply and export to the voltage of the measured terminal, to simulate scene
Feeder line is normal and the electrical operating condition of various feeder lines of failure.
Referring to Fig. 4, in order to avoid operator when carrying out split-phase wiring security risk caused by misconnection, the utility model
Simulator use fast-wiring technology.Specifically, which there is PT voltage standard input interface, PT voltage standard to export
Then 10 core interface of interface and control loop standard, PT power supply should using standard PT original cable connection to 6 core multi-tap of standard
6 core multi-tap of standard is connected to the PT voltage standard input interface using standard PT transit cable.The output of PT voltage standard
Interface is connected to the 6 core interface of PT voltage standard of measured terminal, 10 core interface of control loop standard using standard PT transit cable
The 10 core interface of control loop standard of measured terminal is connected to using standard control transit cable.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (6)
1. feeder switch operating condition adaptive modeling device, which is characterized in that the simulator include single-chip microcontroller, programmable logic array,
Liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit；
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array, described
Feeder line Work condition analogue circuit and self adaptive control interface circuit are electrically connected with the programmable logic array, the feeder line operating condition
Analog circuit is electrically connected with external PT power supply and measured terminal, and the self adaptive control interface circuit is electrically connected with measured terminal
It connects, the input/output interface circuit is electrically connected with measured terminal.
2. feeder switch operating condition adaptive modeling device as described in claim 1, which is characterized in that it further include power circuit, institute
Power circuit is stated for externally input power supply to be converted to suitable voltage, for the single-chip microcontroller, programmable logic array, liquid
Brilliant display unit, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit use.
3. feeder switch operating condition adaptive modeling device as claimed in claim 2, which is characterized in that include in the power circuit
Level shifting circuit, the level shifting circuit are used to the AC/DC380~24V power supply inputted from measured terminal being converted to 0/5V
Power supply is input in the single-chip microcontroller；
There are multiple delay units in the single-chip microcontroller, the signal by level conversion is input in the delay unit, it is described can
There is switchtype coding and decoding circuit and switch operation control logic circuit, the switchtype coding in programmed logic array (PLA)
Selection state of the decoding circuit for Control Cooling switching switch, it is single that the input terminal of the type switching switch is connected to the delay
The output end of member.
4. feeder switch operating condition adaptive modeling device as claimed in claim 3, which is characterized in that the self adaptive control interface
Circuit is relay, and for the relay by the control of programmable logic array, input terminal and switch operate control logic circuit
The control circuit of output end connection, output end and measured terminal connects.
5. feeder switch operating condition adaptive modeling device as described in claim 1, which is characterized in that the programmable logic array
In have fault type state control decoder, the fault type state control decoder for control fault type switching switch
State；
The feeder line Work condition analogue circuit be relay, the relay by programmable logic array control, input terminal and therefore
Hinder the output end electrical connection of type switching switch, output end is electrically connected with the secondary of malfunction transformer, malfunction transformation
Primary and the PT power electric connection of device.
6. feeder switch operating condition adaptive modeling device as described in claim 1, which is characterized in that the simulator has PT electricity
10 core interface of pressure standard input interface, PT voltage standard output interface and control loop standard, PT power supply use the former electricity of standard PT
Cable is connected to 6 core multi-tap of standard, which is connected to the PT voltage mark using standard PT transit cable
Quasi- input interface, PT voltage standard output interface are connected to 6 core of PT voltage standard of measured terminal using standard PT transit cable
Interface, 10 core interface of control loop standard are connected to 10 core of control loop standard of measured terminal using standard control transit cable
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295082.7U CN208636396U (en) | 2018-08-10 | 2018-08-10 | Feeder switch operating condition adaptive modeling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295082.7U CN208636396U (en) | 2018-08-10 | 2018-08-10 | Feeder switch operating condition adaptive modeling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208636396U true CN208636396U (en) | 2019-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821295082.7U Expired - Fee Related CN208636396U (en) | 2018-08-10 | 2018-08-10 | Feeder switch operating condition adaptive modeling device |
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| CN (1) | CN208636396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967530A (en) * | 2019-10-15 | 2020-04-07 | 国网山东省电力公司电力科学研究院 | Full-automatic wire plugging device with depth probe |
| CN112540263A (en) * | 2020-11-18 | 2021-03-23 | 广西电网有限责任公司电力科学研究院 | Feeder automation logic operation and maintenance detection device and method |
-
2018
- 2018-08-10 CN CN201821295082.7U patent/CN208636396U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967530A (en) * | 2019-10-15 | 2020-04-07 | 国网山东省电力公司电力科学研究院 | Full-automatic wire plugging device with depth probe |
| CN110967530B (en) * | 2019-10-15 | 2021-10-08 | 国网山东省电力公司电力科学研究院 | Use method of full-automatic wire plugging device with depth probe |
| CN112540263A (en) * | 2020-11-18 | 2021-03-23 | 广西电网有限责任公司电力科学研究院 | Feeder automation logic operation and maintenance detection device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20190810 |
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| CF01 | Termination of patent right due to non-payment of annual fee |