CN106647515A - Handheld virtual loop tester - Google Patents
Handheld virtual loop tester Download PDFInfo
- Publication number
- CN106647515A CN106647515A CN201611242092.XA CN201611242092A CN106647515A CN 106647515 A CN106647515 A CN 106647515A CN 201611242092 A CN201611242092 A CN 201611242092A CN 106647515 A CN106647515 A CN 106647515A
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- circuit
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- interface
- control
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Classifications
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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
- G05B19/0421—Multiprocessor system
-
- 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
- G05B2219/22—Pc multi processor system
- G05B2219/2218—Join two clusters of processors together
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention relates to handheld virtual loop tester. The handheld virtual loop tester comprises a main control circuit; a co-processing control circuit, a storage circuit, a USB interface circuit, a man-machine interface circuit, an Ethernet communication circuit, and a serial port debugging circuit, which are connected with the main control circuit; a lithium battery electric quantity measuring circuit, a real-time clock circuit, a test communication circuit, and a communication indication lamp circuit, which are connected with the co-processing control circuit. The test communication circuit can be configured with SFP communication modules of various types. Compared with the prior art, the handheld virtual loop tester has advantages of high automation degree, portability, high communication interface compatibility, and ability of completing debugging and maintenance of virtual loop between digital substation devices quickly.
Description
Technical field
The present invention relates to Intelligent hardware technical field, more particularly to a kind of hand-held virtual loop-around test instrument.
Background technology
As intelligent electricity has been moved to the construction of existing network, have increasing digital transformer substation the whole nation power grid construction or
Put into operation.Digital transformer substation changes the components such as the structure of traditional substation relay protection device, collecting part and input and output
Install at the scene, be attached with protection device with high speed fibre or Ethernet.In digital station, all of cable connection becomes
A small amount of order wire, that is to say, that the electrical connection of device in standing becomes digital communication from cable Hard link.Transformer station runs
Front debugging, daily maintenance service correspondingly there occurs huge change.
In the conventional stations epoch, generally describe the secondary of station equipment with CAD terminal block figures, secondary circuit graph etc. and electrically connect
Connect, site operation and debugging are, according to CAD diagram paper, to be coupled together in these devices with cable, and carry out loop detection, to guarantee
The correctness of electrical connection.But in the digital station epoch, terminal block familiar to scheduling and planning personnel institute is without instead seeing not
To, impalpable virtual terminal row and virtual electrical connection, original loop-around test means are not used completely, it is desirable to have a kind of
New ment come verify virtual terminal row electrical connection correctness.
At present, digital station typically in the following way come verify virtual terminal row connection correctness：One people is at the scene
Direct short circuit physical contact（Such as：The position of the switch, disconnecting link position etc.）Or directly applying analog quantity, other people are respectively in protection device
Place, the position that monitoring is needed at background monitoring, at failure wave-recording etc., observe respectively the display and reaction of each device.This mode
Need many people's co-ordinations, inefficiency, not intuitively, it is most important that, this mode often can not completely react whole
, there is the blind spot in test in virtual electrical connection.This method of testing automaticity is low, and workload is big, it is impossible to meet production
Require.Therefore, it is necessary to designing a kind of hand-held virtual loop-around test instrument improves testing efficiency.
The content of the invention
The problem to be solved in the present invention is to provide a kind of automated procedures height, easy to carry, meets modern production firm high
Efficiency debugging, the virtual circuit tester of maintenance requirement.
To solve above-mentioned technical problem, the present invention is adopted the technical scheme that, there is provided one kind is used for hand-held virtual loop
Tester, it includes：
Governor circuit, using the operating system of ARM chip matching embedded types；
Association's control and treatment circuit, using fpga chip, is connected with governor circuit, is controlled by governor circuit；
Storage circuit, is connected with governor circuit, for preserving data, can after a power failure also ensure that data are not lost；
Usb circuit, is connected with governor circuit, there is provided 2 USB interfaces, can connect USB flash disk and mouse, for data
Storage and file read and facilitate the operation of man-machine interaction；
Man-machine interface circuit, is connected with governor circuit, including keyboard, display and touch screen circuitry, used as necessary man-machine interaction
Interface, realizes that parameter setting and result show；
Ethernet communication circuit, is connected with governor circuit, for PC data communication, as a kind of mode of operation of supplement,
Realize showing and data analysis and preservation the real-time operation of instrument, result by PC；Preferably, described ethernet communication
The speed of circuit is 10/100/1000Mbps self adaptations.
Electric quantity of lithium battery measuring circuit, is connected with control and treatment circuit is assisted, and by governor circuit control lithium battery is measured in real time
Current drain situation and voltage, to estimate the use time of remaining battery；
Real time clock circuit, is connected, by the setting and reading of governor circuit control realization real-time clock with control and treatment circuit is assisted；
Test telecommunication circuit, is connected with control and treatment circuit is assisted, and realizes the communication of governor circuit and outside tested device；Described
Test communicating circuit includes optical fiber serial ports, B code types and SFP communication module interfaces；Described SFP communication modules interface can be automatically
Adapt to the SFP interface communication modules of 5 kinds of forms：（1）The optical fiber network interface module of 155Mbs 1310nm,（2）1.25Gps 850nm
Optical fiber network interface module,（3）The SFP interface ethernet modules of 100Mbps,（4）The adaptive SFP of 10/100/1000Mbps connect
Mouth ethernet module,（5）The SFP interface ethernet modules of 1000Mbps.
Specifically, described SFP communication module interfaces have 3, can read the light work(of the optical fiber network interface module of SFP interfaces
Rate；The SFP interface communication modules of 5 kinds of described forms form can be inserted in 3 described SFP communication modules and connect in any combination
In mouthful.
Communication indicator light circuit, is connected with control and treatment circuit is assisted, and by association's control and treatment circuit control, shows test in real time
The states such as the connection and communication of telecommunication circuit.
Preferably, described association's control and treatment circuit is transmitted with the signal between indicator light circuit that communicates by light-coupled isolation；
Described communication indicator light circuit drives indicator lamp using transformation from serial to parallel mode.
Compared with prior art, the beneficial effects of the present invention is：The tester high degree of automation, it is easy to carry,
Communication interface compatibility is high, can be rapidly completed the debugging and maintenance of virtual circuit between Digitized transformation station arrangement.
Description of the drawings
Fig. 1 is the tester composition structural schematic block diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail：
Tester proposed by the invention can to the device such as protection, measure and control device of digital transformer substation whole station configuration and device it
Between communication connection tested, with description whole station configuration SCD file matched, have verified that actual device interconnection configuration
It is whether correct.
Such as Fig. 1, virtual circuit tester includes governor circuit and the association's process control being connected with governor circuit in the embodiment
Circuit processed, storage circuit, usb circuit, man-machine interface circuit, ethernet communication circuit, AccessPort circuit, also with association
Electric quantity of lithium battery measuring circuit, real time clock circuit, test telecommunication circuit and communication indicator lamp electricity that control and treatment circuit connects
Road.
Wherein, governor circuit using ARM chip matching embedded types operating system realize, ARM controllers compared with DSP,
Have the advantages that peripheral interface enriches, association's control and treatment circuit is realized using FPGA, FPGA has flexible configuration, I/O port many, suitable
The advantages of real-time control is done in conjunction and large-scale data is processed, will need the test telecommunication circuit of real-time processing by FPGA controls.ARM with
FPGA is connected by bus, and ARM is using dma mode and FPGA interaction datas.
Storage circuit adopts Nand Flash, for data storage；By ARM the Usb of itself is connect by Usb Hub
Mouth expands 2 USB interfaces used for outside, connection USB flash disk and mouse, reads for data storage and file and facilitates man-machine
Interactive operation.
Keyboard, display and touch screen circuitry, as necessary human-computer interaction interface, realize that parameter setting and result show.
Wherein, keyboard connects keyboard display chip ZLG7289B and realizes by ARM by spi bus.ZLG7289B can connect up to 64 keys
Keyboard matrix, the work such as whether button has key press, cancel, the identification of key is all given the chip and is completed, once have button
Event occurs, and ZLG7289B is processed by interrupt notification governor circuit, so as to significantly reduce the work of ARM.ARM comes with
LCD circuits, complete the display of man-machine interface.ARM chips are connected by another USB interface with USB touch-screens, complete man-machine
The operation at interface.Touch-screen and size identical LCD display closed assembly, realize showing corresponding with position of touch.
Ethernet communication circuit, for PC data communication, realize showing the operation of instrument, result by PC and
Data analysis and preservation, this mode of operation is a kind of complement operation mode of keyboard, display and touch screen human-computer interface.
Electric quantity of lithium battery measuring circuit, the electric current for measuring lithium battery in real time using the LTC2942IDCB chips of IIC interfaces disappears
Consumption situation and voltage, to estimate the use time of remaining battery.Real time clock circuit, using the PCF8563 chips of IIC interfaces,
Realize the setting and reading of real-time clock.Portable equipment is limited by size, battery placement location, electromagnetic compatibility etc., lithium battery
The distance between electrical measurement circuit and real time clock circuit may farther out, and iic bus be directly connected with ARM may PCB
Cabling is long, is likely to result in IIC digital independents unstable once in a while.Indirect operation mode is adopted for this, first passes through ARM
Iic bus are connected with FPGA, FPGA export in addition two IO lines simulation iic bus and electric quantity of lithium battery measuring circuit with it is real-time when
Clock circuit connects, to obtain stable data.
Test telecommunication circuit, including optical fiber serial ports, B code types and SFP communication module interfaces, with control and treatment circuit company of association
Connect, realize the communication of governor circuit and outside tested device.Connected using SGMII modes between FPGA and SFP communication module interfaces
Connect, and the internal register of SFP communication modules is accessed using iic bus, read the state of SFP communication modules, to judge that SFP leads to
The type of letter module（Optical port or Ethernet interface）, communication speed, luminous power（It is only limitted to SFP fiber optic telecommunications modules）Deng.According to SFP
The type of communication module, FPGA switches between SGMII and SERDES automatically（On SGMII and SERDES physical layers, agreement
Upper SERDES and SGMII is slightly different）, so as to the SFP interface communication modules for adapting to 5 kinds of forms automatically：（1）155Mbs
The SFP Interface Fiber network interface modules of 1310nm,（2）The SFP Interface Fiber network interface modules of 1.25Gps 850nm,（3）100Mbps
SFP interface ethernet modules,（4）The adaptive SFP interfaces ethernet modules of 10/100/1000Mbps,（5）1000Mbps's
SFP interface ethernet modules.Because the interface rate of SGMII is up to 1.25Gbps, it is therefore necessary to from high speed I/O type
FPGA。
Communication indicator light circuit, by association's control and treatment circuit control, by bright light, flicker, changes the side such as frequency of flicker
Formula shows in real time the states such as the connection and communication of test telecommunication circuit.Each correspondence one refers to for transmission, the reception of each port
Show lamp, corresponding communication light indicator lamp is relatively more.In order to save the I/O port of FPGA and reduce the cabling of PCB, turned simultaneously using serial
Line mode only needs the I/O port of a small amount of several FPGA to expand more IO.Transformation from serial to parallel extension can select the displacement of 8 to post
Storage 74HC595, multi-disc shift register concatenation can expand more IO lines.
AccessPort circuit adopts RS-232 communication modes, and key message is exported to terminal when tester runs, and is easy to
The running status of producer's tracking and testing instrument, moreover it can be used to ROMPaq.
Above-mentioned governor circuit, association's control and treatment circuit, storage circuit, usb circuit, keyboard, display and touch-screen electricity
Road, ethernet communication circuit, AccessPort circuit, electric quantity of lithium battery measuring circuit, real time clock circuit, test telecommunication circuit etc.
It is arranged on same circuit board, its master control borad as this tester.Due to the button bit comparison of silica gel keyboard it is many, for side
Convenient to operate, needs to leave enough spaces between key and key, therefore the real estate of silica gel keyboard is larger, and as a hand
Holding formula equipment certainly will be too big from the aspect of portable, be to save space, and silica gel keyboard physical contact is individually designed one piece
Circuit board, is buckled the finger-board on master control borad by the way of contact pin connection, high using 3mm between master control borad and finger-board
Plastic spacer support, and lock fastened by screw.In the same manner, communicate indicator light circuit also individually designed one piece of circuit board, using slotting
Pin connected mode, is placed on top of the master control borad by communication interface, and position and the communication interface of indicator lamp are corresponded.
Above-described embodiment is only the preferred embodiment of the present invention, and in addition, the present invention can also have other realization sides
Formula.That is, on the premise of without departing from present inventive concept, any obvious replacement should also fall into the guarantor of the present invention
Within the scope of shield.
Claims (5)
1. a kind of hand-held virtual loop-around test instrument, it is characterised in that include：
Governor circuit, using the operating system of ARM chip matching embedded types；
Association's control and treatment circuit, using fpga chip, is connected with governor circuit, is controlled by governor circuit；
Storage circuit, is connected with governor circuit, for preserving data, can after a power failure also ensure that data are not lost；
Usb circuit, is connected with governor circuit, there is provided 2 USB interfaces, can connect USB flash disk and mouse, for data storage and
File reads and facilitates the operation of man-machine interaction；
Man-machine interface circuit, is connected with governor circuit, including keyboard, display and touch screen circuitry, used as necessary man-machine interaction
Interface, realizes that parameter setting and result show；
Ethernet communication circuit, is connected with governor circuit, for PC data communication, as a kind of mode of operation of supplement,
Realize showing and data analysis and preservation the operation of instrument, result by PC；
Electric quantity of lithium battery measuring circuit, is connected with control and treatment circuit is assisted, and by governor circuit control the electricity of lithium battery is measured in real time
Stream consumption situation and voltage, to estimate the use time of remaining battery；
Real time clock circuit, is connected, by the setting and reading of governor circuit control realization real-time clock with control and treatment circuit is assisted；
Test telecommunication circuit, is connected with control and treatment circuit is assisted, and realizes the communication of governor circuit and outside tested device；Described
Test communicating circuit includes optical fiber serial ports, B code types and SFP communication module interfaces；Described SFP communication modules interface can be automatically
Adapt to the SFP interface communication modules of 5 kinds of forms：（1）The SFP Interface Fiber network interface modules of 155Mbs 1310nm,（2）1.25Gps
The SFP Interface Fiber network interface modules of 850nm,（3）The SFP interface ethernet modules of 100Mbps,（4）10/100/1000Mbps is certainly
The SFP interface ethernet modules of adaptation,（5）The SFP interface ethernet modules of 1000Mbps；
Communication indicator light circuit, is connected with control and treatment circuit is assisted, and by association's control and treatment circuit control, shows test communication in real time
The states such as the connection and communication of circuit；
AccessPort circuit, is connected with governor circuit, and key message is exported to terminal when tester runs, and is easy to producer to track
The running status of tester, moreover it can be used to ROMPaq；Described AccessPort circuit adopts RS-232 communication modes.
2. hand-held virtual loop-around test instrument according to claim 1, it is characterised in that：Described ethernet communication circuit
Speed be 10/100/1000Mbps self adaptations.
3. hand-held virtual loop-around test instrument according to claim 1, it is characterised in that：Described SFP communication modules connect
Mouth has 3, can in real time read the luminous power of SFP Interface Fibers network interface module communication；The SFP interfaces of 5 kinds of described forms lead to
Letter module form can be inserted in 3 described SFP communication module interfaces in any combination.
4. hand-held virtual loop-around test instrument according to claim 1, it is characterised in that：Described association's control and treatment circuit
Signal between indicator light circuit is transmitted by light-coupled isolation with communicating.
5. hand-held virtual loop-around test instrument according to claim 4, it is characterised in that：Described communication indicator light circuit
Indicator lamp is driven using transformation from serial to parallel mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242092.XA CN106647515A (en) | 2016-12-29 | 2016-12-29 | Handheld virtual loop tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611242092.XA CN106647515A (en) | 2016-12-29 | 2016-12-29 | Handheld virtual loop tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106647515A true CN106647515A (en) | 2017-05-10 |
Family
ID=58836467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611242092.XA Pending CN106647515A (en) | 2016-12-29 | 2016-12-29 | Handheld virtual loop tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106647515A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643789A (en) * | 2017-10-13 | 2018-01-30 | 国网江西省电力公司检修分公司 | A kind of intelligent electronic device of transformer station |
| CN109905951A (en) * | 2019-03-29 | 2019-06-18 | 北京无线电测量研究所 | A kind of instruction lamp control module and system with Phototube Coupling |
| CN113419508A (en) * | 2021-05-21 | 2021-09-21 | 南京康尼机电股份有限公司 | Handheld debugging system and method for bus door system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643789A (en) * | 2017-10-13 | 2018-01-30 | 国网江西省电力公司检修分公司 | A kind of intelligent electronic device of transformer station |
| CN107643789B (en) * | 2017-10-13 | 2024-03-22 | 国网江西省电力公司检修分公司 | Intelligent electronic equipment of transformer substation |
| CN109905951A (en) * | 2019-03-29 | 2019-06-18 | 北京无线电测量研究所 | A kind of instruction lamp control module and system with Phototube Coupling |
| CN113419508A (en) * | 2021-05-21 | 2021-09-21 | 南京康尼机电股份有限公司 | Handheld debugging system and method for bus door system |
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Application publication date: 20170510 |