CN109557841A - Self-check system based on wireless device - Google Patents
Self-check system based on wireless device Download PDFInfo
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- CN109557841A CN109557841A CN201811051349.2A CN201811051349A CN109557841A CN 109557841 A CN109557841 A CN 109557841A CN 201811051349 A CN201811051349 A CN 201811051349A CN 109557841 A CN109557841 A CN 109557841A
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- China
- Prior art keywords
- control flow
- bus termination
- flow cabinet
- breaker
- bus
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses the self-check system based on wireless device, including controlling terminal, controlling terminal is connected with tension management device signal；Bus termination is connected with control flow cabinet, and bus termination is used to simulate the working condition of several breaker controllers, and is communicated with control flow cabinet, the circuit-breaker status obtained in refresh control screen cabinet；The breaker controller that each of control flow cabinet and bus termination are simulated is communicated, and has the ID of purpose breaker in the message that control flow cabinet is sent every time, bus termination is set as more ID modes, and receives multiple purpose ID.The bus termination of this system is capable of the working condition of mimic-disconnecting switch, and it can be communicated with control flow cabinet, so as to realize breaker controller it is all and control flow cabinet communication function, realize 100% ability for simulating existing net breaker, and then a large amount of lab space and equipment purchase expense are saved, economic value is significant.
Description
Technical field
The present invention relates to electric power to test detection technique field, and in particular to a kind of self-check system based on wireless device.
Background technique
It is all currently the side that breaker controller is added using RTDS (being modeled to breaker) in electric power laboratory environment
Formula, to simulate existing net running equipment.RTDS is using external emulator, and breaker controller is also dedicated using Siemens
Equipment.The problem of being currently primarily present has: the volume of each breaker controller is bigger, generally at one 2.2 meters of standard
Rack in intelligently place 3~4 breaker controllers.Breaker uses dedicated large scale equipment, and purchase cost is higher.So
As shown in Figure 1, the scene for disposing 30 breaker controllers in existing network environment is being tested due to the limitation in space and cost
It is difficult to realize in room environmental.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of self-test system based on wireless device is provided
System, to save space and cost.
To achieve the above object, the technical scheme is that
Self-check system based on wireless device, including tension management device, controlling terminal, bus termination and control flow
Cabinet；Wherein,
The controlling terminal is connected with tension management device signal, the control life issued for receiving tension management device
It enables and the order is sent to bus termination；
The bus termination is connected with control flow cabinet, and bus termination is used to simulate the work shape of several breaker controllers
State, and communicated with control flow cabinet, the circuit-breaker status obtained in refresh control screen cabinet；Each of control flow cabinet and bus are whole
It holds a simulated breaker controller to be communicated, there is purpose breaker in the message that control flow cabinet is sent every time
ID, bus termination are set as more ID modes, and when the message for the different purpose ID for receiving the transmission of control flow cabinet, bus termination can mould
Quasi- breaker controller generates the response message of corresponding ID, and the content of response is arranged in advance by tension management device.
The communication flow of control flow cabinet and bus termination is as follows:
1) when control flow cabinet issues querying command, all several breaker controllers that bus termination is simulated can all be received
Order, the breaker controller that corresponding bus termination is simulated receive to after the instruction for issuing oneself, generation are ordered back online
It answers and gives control flow cabinet；
2) after control flow cabinet issues the order of inquiry state, the breaker controller that correspondence bus termination is simulated can be incited somebody to action
It sets in advance
The circuit-breaker status set is response to control flow cabinet.
The bus termination is connected by profibu485 bus with control flow cabinet.
The profibu485 bus using profibus SD3 class data structure.
The bus termination is for simulating 30 breaker controllers.
The bus termination uses the MCU of ARM Cortex-M7, utilizes hardware cache.
Compared with prior art, the present invention the beneficial effect is that:
The bus termination of this system can simulate the working condition of 30 breakers, and can be led to control flow cabinet
News, so as to realize breaker controller it is all and control flow cabinet communication function, realize that 100% simulates existing net breaker
Ability, and then a large amount of lab space of saving and equipment purchase expense, economic value are significant.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the existing self-check system based on wireless device；
Fig. 2 is the composition schematic diagram of the self-check system provided in an embodiment of the present invention based on wireless device；
Fig. 3 is the communication flow figure of control flow cabinet and bus termination；
Fig. 4 is the circuit diagram of bus termination.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
As shown in fig.2, the self-check system provided in this embodiment based on wireless device, including tension management device,
Controlling terminal, bus termination and control flow cabinet.
Wherein, which connects with tension management device signal, the control issued for receiving tension management device
System orders and the order is sent to bus termination；The bus termination is connected with control flow cabinet, and bus termination is for simulating 30
The working condition of platform (quantity can be arranged according to quantity) breaker controller, and communicated with control flow cabinet, refresh control screen
The circuit-breaker status obtained in cabinet；The breaker controller that each of control flow cabinet and bus termination are simulated is led to
It interrogates, there is the ID of purpose breaker in the message that control flow cabinet is sent every time, as the different purpose ID for receiving the transmission of control flow cabinet
Message, bus termination can mimic-disconnecting switch controller generate the response message of corresponding ID, the content of response is by tension management
Device is arranged in advance.
It follows that the bus termination of this system can simulate the working condition of 30 breakers, and can and control
Screen cabinet communicated, so as to realize breaker controller it is all and control flow cabinet communicate copying, realize 100% mould
The ability of quasi- existing net breaker, and then a large amount of lab space of saving and equipment purchase expense, economic value are significant.
Specifically, the communication flow of above-mentioned control flow cabinet and bus termination is as follows:
1) when control flow cabinet issues querying command, all several breaker controllers that bus termination is simulated can all be received
Order, the breaker controller that corresponding bus termination is simulated receive the instruction to oneself (identifying by purpose ID) is issued
Afterwards, online order answer will be generated and give control flow cabinet；
2) after control flow cabinet issues the order of inquiry state, the breaker controller that correspondence bus termination is simulated can be incited somebody to action
It sets in advance
The circuit-breaker status set is response to control flow cabinet.
As shown in Fig. 2, for example, so instruction that we can need to respond by bus termination come mimic-disconnecting switch A.When
When control flow cabinet issues inquiry A whether online instruction, it is online that bus termination feeds back A, thus online when thinking A with regard to control flow cabinet
, the operational order that A is sent can be received.When whether control flow cabinet inquiry B is online, it is anti-that bus termination equally simulates B device
Online information is presented, control flow cabinet is equally handed down to B operational order after receiving.
Specifically, above-mentioned bus termination is connected by profibu485 bus with control flow cabinet；The profibu485
Bus using profibus SD3 class data structure.As shown in table 1, SD3 data field length is variable, the configuration of parameter field
It is more and powerful.
Table 1
The bus termination realizes Cortex-M7 using hardware cache L1 using ARM Cortex-M7 very-high performance MCU
The high theoretical performance of kernel --- code either is executed from embedded flash memory or external memory: 400MHz processor frequency
Performance can reach 2010 CoreMark/856 DMIpS under rate.As shown in figure 3, the upper left corner is power circuit, the right is schematic diagram
Main circuit.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (6)
1. the self-check system based on wireless device, which is characterized in that including tension management device, controlling terminal, bus termination
And control flow cabinet；Wherein,
The controlling terminal is connected with tension management device signal, for receiving control command that tension management device is issued simultaneously
The order is sent to bus termination；
The bus termination is connected with control flow cabinet, and bus termination is used to simulate the working condition of several breaker controllers,
And it is communicated with control flow cabinet, the circuit-breaker status obtained in refresh control screen cabinet；Each of control flow cabinet and bus termination
The breaker controller simulated is communicated, and has the ID of purpose breaker in the message that control flow cabinet is sent every time,
Bus termination is set as more ID modes, and when the message for the different purpose ID for receiving the transmission of control flow cabinet, bus termination can be simulated
Breaker controller generates the response message of corresponding ID, and the content of response is arranged in advance by tension management device.
2. as described in claim 1 based on the self-check system of wireless device, which is characterized in that control flow cabinet and bus termination
Communication flow it is as follows:
1) when control flow cabinet issues querying command, all several breaker controllers that bus termination is simulated can all receive life
It enables, the breaker controller that corresponding bus termination is simulated is received to after the instruction for issuing oneself, and the online order of generation is answered
Give control flow cabinet；
2) after control flow cabinet issues the order of inquiry state, breaker controller that corresponding bus termination is simulated can will be preparatory
The circuit-breaker status set is response to control flow cabinet.
3. as claimed in claim 1 or 2 based on the self-check system of wireless device, which is characterized in that the bus termination is logical
Profibu485 bus is crossed to be connected with control flow cabinet.
4. as claimed in claim 3 based on the self-check system of wireless device, which is characterized in that the profibu485 bus
Using the SD3 class data structure of profibus.
5. as described in claim 1 based on the self-check system of wireless device, which is characterized in that the bus termination is used for mould
Intend 30 breaker controllers.
6. the self-check system based on wireless device as described in claims 1 or 2 or 5, which is characterized in that the bus termination
Using the MCU of ARM Cortex-M7, hardware cache is utilized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051349.2A CN109557841B (en) | 2018-09-10 | 2018-09-10 | Self-detection system based on wireless equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051349.2A CN109557841B (en) | 2018-09-10 | 2018-09-10 | Self-detection system based on wireless equipment |
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| CN109557841A true CN109557841A (en) | 2019-04-02 |
| CN109557841B CN109557841B (en) | 2020-09-25 |
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| CN201811051349.2A Active CN109557841B (en) | 2018-09-10 | 2018-09-10 | Self-detection system based on wireless equipment |
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| US20160124048A1 (en) * | 2014-11-03 | 2016-05-05 | Eaton Corporation | Portable diagnostic apparatus for testing circuit breakers |
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2018
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Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08227639A (en) * | 1995-02-22 | 1996-09-03 | Meidensha Corp | Simulation method for multiple reignition surge |
| CN101515014A (en) * | 2009-03-17 | 2009-08-26 | 中国西电电气股份有限公司 | Analog device of control cabinet matched with detection switch apparatus |
| CN201518176U (en) * | 2009-09-03 | 2010-06-30 | 浙江天正电气股份有限公司 | Field bus communication circuit breaker simulation signal device |
| CN201887539U (en) * | 2010-05-24 | 2011-06-29 | 北京科东电力控制系统有限责任公司 | Intelligent network type simulation circuit breaker device and substation simulation primary system |
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| CN104764998A (en) * | 2015-04-22 | 2015-07-08 | 国家电网公司 | Breaker simulating device used for replacing real high-voltage breaker in protecting testing process |
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| CN109557841B (en) | 2020-09-25 |
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