CN204631535U - Electric integrated protection supervisory equipment - Google Patents
Electric integrated protection supervisory equipment Download PDFInfo
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- CN204631535U CN204631535U CN201520381366.8U CN201520381366U CN204631535U CN 204631535 U CN204631535 U CN 204631535U CN 201520381366 U CN201520381366 U CN 201520381366U CN 204631535 U CN204631535 U CN 204631535U
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- mainboard
- plate
- supervisory equipment
- integrated protection
- protection supervisory
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Abstract
The utility model provides a kind of electric integrated protection supervisory equipment, comprises the mainboard (1) with host CPU plate, power panel (4), front panel (3) with exchange plate (6); Power panel (4) is connected to mainboard (1) by its can transceiver and flat cable (5); Front panel (3) is connected to mainboard (1) by its can transceiver and flat cable (5); Exchange plate (6) and access mainboard (1) by ac cable, for outside forceful electric power signal being converted into the weak electric signal that can sample and being transported to mainboard (1); Each plate is based on STM32F207 or the STM32F103 chip of STMicroelectronics company; 25 core flat cables are adopted to connect between plate, all signals three times of redundancies; Support various expansion plate; Support maximum two-way RS485 communication, when a road ethernet communication and a road B code pair; Support high precision clock is kept time, and annual error is less than 5 minutes.
Description
Technical field
The utility model relates to electric integrated protection supervisory equipment, belongs to Relay Protection Technology in Power System field.
Background technology
Existing market has had multiple integrated technical reformation product, but there are some shortcomings, be mainly manifested in: (1), product type are of a great variety, bring very large workload to the exploitation of product, production and after sale service, operational management, the quantity of standby redundancy and kind are also more numerous and diverse; (2), the power source life of domestic integrated technical reformation product is general all very short, and within 5 ~ 6 years, will change once, the maintenance workload of product is larger; (3), current product is mostly rear plug plate, and maintenance extracted by inconvenient plate; (4) connection, between each plate or use expensive terminal, maybe cannot ensure reliably connect and cannot detect.
Utility model content
Technical problem to be solved in the utility model is; a kind of electric integrated protection supervisory equipment is provided, facilitates field maintemance installation and plate maintenance to replace, be easy to expand various plate; application range of products is wider, and has the reliable degree of stronger antijamming capability and Geng Gao.
The technical solution of the utility model is as follows:
Electric integrated protection supervisory equipment, is characterized in that: it comprises the mainboard with host CPU plate, power panel, front panel with exchange plate; Power panel is connected to mainboard by its can transceiver and flat cable; Front panel is connected to mainboard by its can transceiver and flat cable; Exchange plate and access mainboard by ac cable, for outside forceful electric power signal being converted into the weak electric signal that can sample and being transported to mainboard.
Also comprise expansion board, this expansion board is connected to mainboard by its can transceiver and flat cable.
Also comprise a road RS232 service port, this RS232 service port is by flat cable and establish level shifting circuit in the motherboard to access the UART2 module of described host CPU plate.
Described host CPU plate comprises I
2c bus, this I
2c bus is connected to for the E for preserving parameter
2pROM and for providing the 8025T real-time clock of clock information.
Described host CPU plate comprises MAC, and the external PHY circuit of MAC, PHY circuit is connected with ethernet communication interface.
Good effect of the present utility model is: the first, adopt distributed structure/architecture, each plate is relatively independent, connects simple, even if connect, appearance is abnormal also can be detected immediately and carry out abnormal alarm immediately; The second, pluggable mode before adopting, is connected by flat cable, facilitates field maintemance installation and plate maintenance replacement.Three, based on distributed structure/architecture, be easy to expand various plate.Four, adopt technical grade reference power supply design philosophy, wide region inputs, and single 5V power supply exports, and ensure that the long time stability of device runs.Five, AC loop adopts General design strategy, and current-voltage transformer is interchangeable, adds the scope of application of product; Six, support that 220V, 110V forceful electric power is opened into, AC/DC universal, support anti-reverse, the multiple protection mechanisms such as Anti-surging, lightning protection electric wave.Seven, cabinet adopts full-closed structure; Each plate adopts advanced surface mounting technology; Device strong and weak electricity loop, input and output loop configuration are reasonable; Important devices (power module, mutual inductor, relay, liquid crystal, terminal) all adopts the matured product of domestic and international esbablished corporation, ensure that strong anti-interference ability and the high reliability of device.Eight, based on universal flexible hardware design, software programmable technology can be adopted, supportive protection element, LED, open into, output, the programming information such as button, action report, to meet the various specific demands of user.Nine, support that high precision clock is kept time, annual error is less than 5 minutes.
Accompanying drawing explanation
Fig. 1 is structure of the present utility model and principle of work schematic diagram.
Embodiment
The utility model is further illustrated below in conjunction with drawings and Examples.
(1), one-piece construction
As Fig. 1, this device comprises mainboard 1, power panel 4, front panel 3 and exchanges plate 6.
Power panel 4 adopts standardization Power Management Design theory, and single 5V exports, and extends eight tunnels and opens Ru He tri-road and output signal, and be connected to mainboard 1 by its can transceiver and flat cable 5 by the I/O port of STM32F103; Front panel 3 extends 160 × 160 lattice lcds, 11 LED and nine general buttons by the I/O port of its STM32F103, and is connected to mainboard by its can transceiver and flat cable 5.Exchange plate 6 by ac cable access mainboard 1, the forceful electric power signal that outside inputs is converted into the weak electric signal that can sample and is transported to mainboard 1.
Mainboard 1, power panel 4, front panel 3 are linked together by 25 core flat cables, and 25 core flat cables contain can and power supply signal, all signals three times of redundancies; Mainboard 1, based on STM32F207 chip, by can bus and other plate communications, is sampled to interchange partitioned signal by AD in sheet, is supported that communication is safeguarded on two-way RS485 communication and a road, and expand E by iic bus
2pROM and real-time clock.AC sampling loop, ac cable maximum support 12 tunnel, all signal twice redundancies.
Based on 25 core network flat cables, support the connection of various expansion plate.Except interchange plate 6, all plates are all with CAN transceiver, and STM32F207 and STM32F103 is with can to drive, and therefore whole system forms the distributed network system (DNS) based on CAN net.Based on CAN network, mainboard can carry out communication with other plates, and can confirm that whether plate connects normal, sends alerting signal when connecting abnormal.
(2), host CPU plate
Host CPU plate is the core of whole system, based on the STM32F207 chip of STMicroelectronics company.By 12 high-speed AD in sheet, the signal after the conversion of interchange plate is sampled, after the filtering of Fu's formula, calculate each electric quantity information.Maximum support two-way RS485 communication, uses UART0 and UART1 in sheet, needs additionally to increase level shifting circuit.In order to easy to maintenance, increase by a road RS232 service port, use the UART2 module in sheet, after outside increase level shifting circuit, access front panel 3.Mainboard 1 comprises seven Lu Changkai and outputs node and a road is normally closed outputs node, is driven by I/O port.When supporting B code pair, driven by I/O port, and increase level shifting circuit.Pass through I
2c bus extension E
2pROM and 8025T real-time clock, for preserving parameter and clock information.
By MAC in sheet, and external PHY circuit, can additional extension one road ethernet communication interface.
By increasing battery module, can additionally supporting non-power-failure ram, for preserving electric degree data in real time, and supporting that power down clock is kept time.
(3) plate is exchanged
Exchange plate 6 and the forceful electric power signal that outside inputs is converted into the weak electric signal that can sample, then by ac cable access mainboard 1.
Outside forceful electric power signal comprises current signal and voltage signal, needs CT and PT mutual inductor respectively.Exchange plate 6 and adopt General design theory, the interchangeable design of CT and PT, improves the scope of application.
(4) power panel
Adopt industrial standardization Power Management Design theory, wide region inputs, and single 5V loop exports, and then provides power supply to each plate by 25 core flat cables.
Additional power supply plate includes Shi Erlu and opens Ru He tri-road and output, and is driven by STM32F103 chip I/O port, and by can net with mainboard communication.
(5) front panel
Front panel 3, based on the STM32F103 chip of STMicroelectronics company, drives 160 × 160 dot matrix LCD by I/O port, 11 paths of LEDs and nine general buttons, and by can net with mainboard communication.
In order to adapt to the various specific demands of user, front panel additionally supports maximum four user-defined press keys, and its function is realized by software programming.
(6) expansion board
Expansion board 2, based on the STM32F103 chip of STMicroelectronics company, drives DI and DO function by I/O port, by AD sampling AI loop, adds filter circuit drive AO loop by PWM, and by can net with mainboard 1 communication.
In order to support polylith expansion board simultaneously, each expansion board needs unique address information, is realized by resistor chain mode, to support online setting flexibly.
Claims (5)
1. electric integrated protection supervisory equipment, is characterized in that: it comprises the mainboard (1) with host CPU plate, power panel (4), front panel (3) with exchange plate (6); Power panel (4) is connected to mainboard (1) by its can transceiver and flat cable (5); Front panel (3) is connected to mainboard (1) by its can transceiver and flat cable (5); Exchange plate (6) and access mainboard (1) by ac cable, for outside forceful electric power signal being converted into the weak electric signal that can sample and being transported to mainboard (1).
2. electric integrated protection supervisory equipment according to claim 1, is characterized in that: also comprise expansion board (2), and this expansion board (2) is connected to mainboard (1) by its can transceiver and flat cable (5).
3. electric integrated protection supervisory equipment according to claim 1; it is characterized in that: also comprise a road RS232 service port, this RS232 service port accesses the UART2 module of described host CPU plate by flat cable (5) and the level shifting circuit be located in mainboard (1).
4. electric integrated protection supervisory equipment according to claim 1, is characterized in that: described host CPU plate comprises I
2c bus, this I
2c bus is connected to for the E for preserving parameter
2pROM and for providing the 8025T real-time clock of clock information.
5. electric integrated protection supervisory equipment according to claim 1, is characterized in that: described host CPU plate comprises MAC, and the external PHY circuit of MAC, PHY circuit is connected with ethernet communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381366.8U CN204631535U (en) | 2015-06-04 | 2015-06-04 | Electric integrated protection supervisory equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381366.8U CN204631535U (en) | 2015-06-04 | 2015-06-04 | Electric integrated protection supervisory equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204631535U true CN204631535U (en) | 2015-09-09 |
Family
ID=54050546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381366.8U Active CN204631535U (en) | 2015-06-04 | 2015-06-04 | Electric integrated protection supervisory equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204631535U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451389A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Microcomputer comprehensive measuring and control protection device |
| CN106451387A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Microcomputer protection, measurement and control device |
| CN106451388A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Comprehensive type microcomputer protection measurement and control device |
-
2015
- 2015-06-04 CN CN201520381366.8U patent/CN204631535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451389A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Microcomputer comprehensive measuring and control protection device |
| CN106451387A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Microcomputer protection, measurement and control device |
| CN106451388A (en) * | 2016-11-14 | 2017-02-22 | 成都九五测控科技有限公司 | Comprehensive type microcomputer protection measurement and control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264003 Laishan City, Yantai province Venture Center, Shandong Patentee after: Yantai Dongfang Wisdom Electric Co., Ltd. Address before: 264003 Laishan City, Yantai province Venture Center, Shandong Patentee before: Yantai Dongfang Wisdom Electronic Co., Ltd. |