CN209215547U - A kind of relay protection movement exit analysis instrument - Google Patents
A kind of relay protection movement exit analysis instrument Download PDFInfo
- Publication number
- CN209215547U CN209215547U CN201821910357.3U CN201821910357U CN209215547U CN 209215547 U CN209215547 U CN 209215547U CN 201821910357 U CN201821910357 U CN 201821910357U CN 209215547 U CN209215547 U CN 209215547U
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- circuit
- relay
- processing unit
- central processing
- display screen
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Abstract
The utility model discloses a kind of relay protection movement exit analysis instrument, comprising: the detection and analysis module of shell and setting inside the housing；Power switch, the first connecting terminal, the second connecting terminal, test switch and display screen are set on shell, and testing and analyzing module includes power circuit, impulse output circuit, central processing unit, bluetooth module, the first relay test circuit and the second relay test circuit；First relay test circuit, the second relay test circuit and impulse output circuit are connect with central processing unit, and power circuit is central processing unit power supply, and the output end of central processing unit connects display screen；Test switch is connected to central processing unit, the first relay test circuit and the second relay test circuit respectively on shell the first connecting terminal and the second connecting terminal connect, bluetooth module is connected to central processing unit, for connecting external printer.The utility model is monitored the actuating of relay, facilitates the work of relay protection personnel.
Description
Technical field
The utility model relates to relay protection technical fields, act exit analysis more particularly to a kind of relay protection
Instrument.
Background technique
It is worked in faced situation and problem in current relay protection, there are short slab, major embodiments for relay protection mechanism
It involves a wide range of knowledge in current security control device management Safety system, interruption maintenance coordinates that difficulty is big, round of visits is difficult to ensure.
It in checking main transformer protection, backup auto-activating device and involves a wide range of knowledge often due to having a power failure using moving back when with security control device at present
Protection, the mode of belt switch is not verified, and is gone out using the Egress node of multimeter measurement protective device to verify protective device
The correctness of mouth strategy.
But in the above-described techniques, since the actuating of relay intrinsic retention time is in 4-5ms, multimeter reaction time precision
And be likely to cause can not correct control relay action situation for personnel's observation.This method needs more people's cooperations, tests repeatedly
Card ensures that the relay that should be exported reliably exports, and what should not be exported does not export reliably.Verifying work time-consuming is especially long, and verification is correct
Property can not absolutely ensure, and can not between each channel actuation time and sequence carry out analysis record.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, disclose it is a kind of after
Electric protection acts exit analysis instrument.For reinforcing safety and stability control device management, security control device standardized designs specification is implemented
It is required that；Reinforce inspection management, it is ensured that system protection strategy is correct, device is reliable.
The technical solution adopted in the utility model is: a kind of relay protection movement exit analysis instrument, comprising: shell and setting
Detection and analysis module inside the housing；
Power switch, the first connecting terminal, the second connecting terminal, test switch and display screen are set on the shell；
The detection and analysis module include power circuit, impulse output circuit, bluetooth module, central processing unit, first after
Electrical testing circuit and the second relay test circuit；The first relay test circuit, the second relay test circuit and
Impulse output circuit is connect with central processing unit, the power circuit be central processing unit power supply, the central processing unit it is defeated
Outlet connects display screen；Described bluetooth module is connect with central processing unit, for connecting external printer.
The first relay test circuit and the second relay test circuit respectively with the first connecting terminal on shell and
The connection of second connecting terminal, test switch connection central processing unit.
Further technical solution as the utility model is, the central processing unit using stm32 series monolithic,
One of MCS51 series monolithic or MSP430 series monolithic.
Further technical solution as the utility model is that the impulse output circuit is using light-coupled isolation output electricity
Road.
Further technical solution as the utility model is that the power circuit includes lithium battery and voltage conversion electricity
Road；Wherein the voltage conversion circuit uses the voltage conversion chip of LTC3440 model；The output end of lithium battery is turned by voltage
Change the operating voltage of circuit output supply central processing unit.
Further technical solution as the utility model is that the display screen uses liquid crystal touch display screen, described
Liquid crystal touch display screen includes backlight drive circuit, LCD driving circuit and capacitor display screen；The output end of the central processing unit
It is connect with backlight drive circuit and LCD driving circuit, the output end of the LCD driving circuit connects capacitor display screen.
Further technical solution as the utility model is the first relay test circuit and the second relay
Detection circuit includes 48 alignment detection circuits altogether, and the circuit structure of 48 alignment detection circuits is identical；Wherein an alignment detection circuit includes the
One input, the second input, first resistor, second resistance and first capacitor；First input passes through first resistor and power supply electricity
Road connection, second input are grounded by second resistance, the both ends parallel connection first capacitor of the second resistance；Described first is defeated
Enter to connect two passive nodes of relay to be measured by connecting terminal with the second input.
The utility model has the following beneficial effects:
The monitoring of the utility model action situation suitable for all protective device checking procedures is triggered in entry condition
Afterwards, it can correctly monitor whether each protection exit relay acts and record each exit relay actuation time；It can be used to monitor
The protective device action situation of each exit relay and correctness of action policy in verification；Ensure that relay protection movement is tested
The accuracy of card 100%, effectively increases the working efficiency of relay protection personnel, reduces the work of relay protection staff
Pressure.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of relay protection act exit analysis instrument structure chart；
Fig. 2 be the utility model proposes the detection and analysis modular circuit connection figure；
Fig. 3 a be the utility model proposes the central processor section circuit structure diagram；
Fig. 3 b be the utility model proposes the central processor section circuit structure diagram；
Fig. 4 be the utility model proposes power module circuitry figure；
Fig. 5 be the utility model proposes display backlight driving circuit figure；
Fig. 6 be the utility model proposes display screen LCD driving circuit figure；
Fig. 7 be the utility model proposes the relay test circuit an alignment detection circuit figure.
It is as shown in the figure:
1- shell, 2- test and analyze module, first group of relay to be measured of 3-, second group of relay to be measured of 4-, 5- bluetooth mould
Block；
11- power switch, the first connecting terminal of 12-, the second connecting terminal of 13-, 14- test switch, 15- display screen；
21- power circuit, 22- the second relay test circuit, 23- the first relay test circuit, 24- pulse output electricity
Road, 25- central processing unit.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
Referring to Fig. 1 and Fig. 2, wherein Fig. 1 be the utility model proposes a kind of relay protection act exit analysis instrument structure
Figure；Fig. 2 be the utility model proposes the detection and analysis modular circuit connection figure.
As depicted in figs. 1 and 2, a kind of relay protection acts exit analysis instrument, comprising: shell 1 and setting are inside shell 1
Detection and analysis module 2；
Power switch 11, the first connecting terminal 12, the second connecting terminal 13, test 14 and of switch are set on the shell 1
Display screen 15；
The detection and analysis module 2 includes power circuit 21, impulse output circuit 24, central processing unit 25, the first relay
Device detection circuit 22 and the second relay test circuit 23；The first relay test circuit 22, the second relay test electricity
Road 23 and impulse output circuit 24 are connect with central processing unit 25, and the power circuit 21 is the power supply of central processing unit 25, described
The output end of central processing unit 25 connects display screen 15；
The first relay test circuit 22 and the second relay test circuit 23 respectively with the first wiring on shell 1
Terminal 12 and the connection of the second connecting terminal 13, built Bluetooth module 5 is for connecting external printer.
Referring to Fig. 3 a and Fig. 3 b, wherein Fig. 3 a be the utility model proposes the central processor section circuit structure
Figure；Fig. 3 b be the utility model proposes the central processor section circuit structure diagram；
In the utility model embodiment, central processing unit 25 using stm32 series monolithic, MCS51 series monolithic or
One of MSP430 series monolithic.In figure by taking the single-chip microcontroller of STM32F429IGT6 model as an example, show single-chip microcontroller with
The circuit diagram of other circuit connections；Using DMA realize double buffering in turn to the first relay test circuit 22 and second after
Electrical testing circuit 23 carries out continuous sampling record, and the SDRAM by connecting with single-chip microcontroller carries out sampled data storage, wherein
SDRAM can use the chip circuit of IS42S16400J model, and measurement result, measurement result can be obtained after sampled data analysis
Data storage is carried out in serial Flash, Flash uses the chip circuit of W25Q128fVSG model.
Referring to fig. 4 for the utility model proposes power module circuitry figure；
As shown in figure 4, power circuit 21 includes lithium battery and voltage conversion circuit；Wherein the voltage conversion circuit uses
The voltage conversion chip of LTC3440 model；The output end of lithium battery exports supply central processing unit by voltage conversion circuit
Operating voltage.
Referring to figs. 5 and 6, wherein Fig. 5 be the utility model proposes display backlight driving circuit figure；Fig. 6 is this reality
With the display screen LCD driving circuit figure of novel proposition；
As shown in Figure 5 and Figure 6, wherein display screen 15 uses liquid crystal touch display screen, and the liquid crystal touch display screen includes
Backlight drive circuit, LCD driving circuit and capacitor display screen；The output end and backlight drive circuit and LCD of central processing unit drive
The output end of dynamic circuit connection, the LCD driving circuit connects capacitor display screen.
Referring to Fig. 7, for the utility model proposes the relay test circuit an alignment detection circuit figure.
As shown in fig. 7, the first relay test circuit 22 and the second relay test circuit 23 include 48 tunnels detection electricity altogether
Road, respectively with first group it is to be measured connect after 3 and second group of relay 4 to be measured, the circuit structure of 48 alignment detection circuits is identical；Wherein
One alignment detection circuit includes the first input, the second input, first resistor, second resistance and first capacitor；First input is logical
It crosses first resistor to connect with power circuit, second input is grounded by second resistance, and the both ends of the second resistance are in parallel
First capacitor；First input connects two passive nodes of relay to be measured with the second input by connecting terminal.
Every relay all the way is there are two passive node, the connecting terminal being all connected on analyzer, then one of node
It connects sampling pin while passing through pull-up resistor and connect power supply, another node ground connection.When relay disconnects, sampling pin passes through upper
It is high level that pull-up resistor, which connects power supply,；When relay is attracted, two contacts are attracted, and two corresponding nodes also connect, and sampling is drawn
Foot ground connection is low level, therefore single-chip microcontroller can show whether relay is attracted by sampling the height of pin level.
Referring to Fig. 7, wherein P1 and P2 is instrument channel input interface, is connected to relay dry contact to be measured with p-wire
3 and 4, internal input circuit is as shown in the figure.When relay does not turn on, P1 is obstructed with P2, and general GPIO mouthfuls of MCU passes through the first pull-up
Resistance R1 meets VCC, inputs as high level；When relay conducting, P1 is connected with P2, and the general GPIO mouthfuls of input of MCU is the first electricity
It hinders R1 and second resistance R2 to divide, is low level, first capacitor C1 is to eliminate shake to use.It is detected just by the low and high level of port
It can complete the detection that relay conducting disconnects.
In the utility model embodiment, it is central processing unit power supply by power switch controlling power circuit, passes through test
Switch starting test；After central processing unit detects that test switch is pressed, start starting to the first relay test circuit and the
Two relay test circuits are tested；First the state of the output pin according to starting relay node after sampled is sentenced when work
Whether disconnected starting relay (usually first via relay) acts, remaining No. 47 relay section of start recording again when there is movement
Point loop state.Central processing unit receives the testing result of relay test circuit, after treatment and true color touch screen
It is connected by serial ports or parallel port, result is shown, can also be connected with mini-printer by bluetooth, result is printed
Come.
Central processing unit acquires passive section with DMA (Direct Memory Access, direct memory access) timing sampling
Point isolation input, including No. 1 starting relay node, 48 tunnel actuating of relay nodes, are monitored its loop state；RTC
Or GPS second pulse output signals provide temporal information to central processing unit, can measure the moment with accurate recording.Host process
Device is connected to display, for showing monitoring information；Mini-printer, field print data can be also connected to.It is adopted with DMA timing
Sample acquires 48 channel statuses to record all monitoring outlets relay node loop state, improves central processing unit efficiency.
In the utility model embodiment, it can monitor protection exit No. 48 relay whether act and record it is each outlet after
Electric appliance actuation time, correct time record can more intuitively judge the correctness of protective device movement.It can also will judge
Result output over the display display or by monitoring result by mini-printer field print, these are all greatly facilitated
The work of relay protection personnel.
When the utility model relay protection acts the work of exit analysis instrument: when starting relay node action, (movement is protected
Hold about 4-5ms of time), all monitorings of start recording export relay node loop state, logical with DMA timing sampling acquisition 48
Road state, state sampling interval are set as 0.1ms.When receiving the signal of RTC or GPS second pulse, switch sampling record buffer,
Scanning analysis is carried out to the buffering of acquisition and recording upper one second, records every channel action time.If meeting the termination condition of setting,
Terminate this measurement.All data can be resetted by re-measuring, and be restarted.It can correctly monitor that each protection exit relay is
It is no to act and record each exit relay actuation time, it then can match mini-printer, field print data.
The utility model relay protection acts exit analysis instrument, the action situation suitable for all protective device checking procedures
Monitoring.After entry condition triggering, it can correctly monitor whether each protection exit relay acts and record each outlet relay
Device actuation time.Can be used to monitoring and protecting device in verification the action situation of each exit relay and action policy it is correct
Property.The accuracy for ensuring relay protection movement verifying 100%, effectively increases the working efficiency of relay protection personnel, reduces
The operating pressure of relay protection staff.
Wherein any kind single-chip microcontroller with serial ports or parallel port may be selected in central processing unit 25, as stm32 series is single
Piece machine or MCS51 series monolithic, also can choose MSP430 series monolithic；Display screen can choose true color touch
Screen.
The basic principles and main features and the utility model advantage of the utility model have been shown and described above.Current row
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the spirit of the present invention and
Under the premise of range, the utility model also has various changes and improvements, these changes and improvements both fall within claimed
Within the scope of utility model.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (6)
1. a kind of relay protection acts exit analysis instrument characterized by comprising the detection inside the housing point of shell and setting
Analyse module；
Power switch, the first connecting terminal, the second connecting terminal, test switch and display screen are set on the shell；
The detection and analysis module includes power circuit, impulse output circuit, central processing unit, bluetooth module, the first relay
Detection circuit and the second relay test circuit；
The first relay test circuit, the second relay test circuit and impulse output circuit are connect with central processing unit,
The power circuit is central processing unit power supply, and the output end of the central processing unit connects display screen, and the test switch connects
Connect central processing unit；
The first relay test circuit and the second relay test circuit respectively with the first connecting terminal and on shell
The connection of two connecting terminals, the bluetooth module is connected to central processing unit, for connecting external printer.
2. a kind of relay protection according to claim 1 acts exit analysis instrument, which is characterized in that the central processing unit
Using one of stm32 series monolithic, MCS51 series monolithic or MSP430 series monolithic.
3. a kind of relay protection according to claim 1 acts exit analysis instrument, which is characterized in that the pulse output electricity
Road uses RTC or GPS second pulse.
4. a kind of relay protection according to claim 1 acts exit analysis instrument, which is characterized in that the power circuit packet
Include lithium battery and voltage conversion circuit；Wherein the voltage conversion circuit uses the voltage conversion chip of LTC3440 model；Lithium electricity
The output end in pond exports the operating voltage of supply central processing unit by voltage conversion circuit.
5. a kind of relay protection according to claim 1 acts exit analysis instrument, which is characterized in that the display screen uses
Liquid crystal touch display screen, the liquid crystal touch display screen include backlight drive circuit, LCD driving circuit and touch display screen；Institute
The output end for stating central processing unit is connect with backlight drive circuit and LCD driving circuit, and the output end of the LCD driving circuit connects
Connect touch display screen.
6. a kind of relay protection according to claim 1 acts exit analysis instrument, which is characterized in that first relay
Detection circuit and the second relay test circuit include 48 alignment detection circuits altogether, and the circuit structure of 48 alignment detection circuits is identical；Its
In an alignment detection circuit include the first input, the second input, first resistor, second resistance and first capacitor；First input
It is connect by first resistor with power circuit, second input is grounded by second resistance, and the both ends of the second resistance are simultaneously
Join first capacitor；First input connects two passive nodes of relay to be measured with the second input by connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910357.3U CN209215547U (en) | 2018-11-20 | 2018-11-20 | A kind of relay protection movement exit analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821910357.3U CN209215547U (en) | 2018-11-20 | 2018-11-20 | A kind of relay protection movement exit analysis instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215547U true CN209215547U (en) | 2019-08-06 |
Family
ID=67460337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821910357.3U Expired - Fee Related CN209215547U (en) | 2018-11-20 | 2018-11-20 | A kind of relay protection movement exit analysis instrument |
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| Country | Link |
|---|---|
| CN (1) | CN209215547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025054A (en) * | 2019-12-03 | 2020-04-17 | 天津送变电工程有限公司 | Multifunctional wireless relay protection debugging auxiliary instrument |
-
2018
- 2018-11-20 CN CN201821910357.3U patent/CN209215547U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025054A (en) * | 2019-12-03 | 2020-04-17 | 天津送变电工程有限公司 | Multifunctional wireless relay protection debugging auxiliary instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lei Zhen Inventor after: Wang Jiaofei Inventor after: Li Huishan Inventor after: Sun Wenjiao Inventor after: Zhang Hailang Inventor after: Hu Luna Inventor after: Wang Haibin Inventor after: Gao Yongfeng Inventor after: Shi Panpan Inventor before: Lei Zhen Inventor before: Wang Jiaofei Inventor before: Li Huipan Inventor before: Sun Wenjiao Inventor before: Zhang Hailang Inventor before: Hu Luna Inventor before: Wang Haibin Inventor before: Gao Yongfeng Inventor before: Shi Panpan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201120 |