CN202583746U - Microcomputer protection measurement-control device - Google Patents
Microcomputer protection measurement-control device Download PDFInfo
- Publication number
- CN202583746U CN202583746U CN 201220229394 CN201220229394U CN202583746U CN 202583746 U CN202583746 U CN 202583746U CN 201220229394 CN201220229394 CN 201220229394 CN 201220229394 U CN201220229394 U CN 201220229394U CN 202583746 U CN202583746 U CN 202583746U
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- cpu
- switching value
- optocoupler
- control device
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Abstract
The utility model relates to a microcomputer protection measurement-control device, mainly solves the technical problems that a microcomputer protection device cannot achieve long time reliable operation, routine control, signal compatibility and the like, and also solves the problems that speediness, simplification, intellectualization and the like of protection design, debugging and operation of a switch cabinet and a ring main unit are not ideal. The technical scheme is that the microcomputer protection measurement-control device comprises a power module, an alternating current sampling module, a central processing unit (CPU) module, a digital output module, a digital input module and a man-machine interaction module. The CPU module is in one-way connection with the power module, the alternating current sampling module, the digital output module and the digital input module, and in both-way connection with the man-machine interaction module. The microcomputer protection measurement-control device is a protection measurement-control device specially researched and manufactured for the switch cabinet and the ring main unit of 6-10 kilovolt.
Description
Technical field
The utility model relates to a kind of microcomputer protective relay device, through state, the parameter testing of power system device, the digital protecting measure and control device that is used for the power system device protection, measures, controls.
Background technology
The diversity of the applied environment of the intelligent artifact of electric system causes having under a lot of situation, and conventional digital protecting measure and control device uses limited, and such as ring main unit, the degree of depth of whole cupboard is very shallow, causes GPF (General Protection False to install.
Summary of the invention
The purpose of the utility model provides a kind of high performance digital microcomputer protecting controller; Mainly solve technical matterss such as microcomputer protecting device can't move reliably and with long-term, conventional control, signal compatibility under rugged surroundings, and solve problems such as switch cubicle, ring main unit protection design, debugging, rapid, the simplification that moves, intellectuality.Possess computerize, networking, intellectuality, incorporate characteristics of protection, control, measurement and data communication, and have fitting depth and be less than the 7cm advantage are applicable to that all install occasions.
The technical scheme of the utility model is: microcomputer protecting controller, form by power supply module, AC sampling module, CPU module, switching value output module, switching value inputting modular unit, man-machine interaction module.The CPU module is unidirectional the connection with power supply module, AC sampling module, switching value output module, switching value inputting modular unit, is two-way the connection with the man-machine interaction module.The CPU module by CPU, leave optocoupler drive module, open into optocoupler drive module, the RS485 module is formed, CPU with leave optocoupler driving module, open that module is unidirectional connects into the optocoupler driving, CPU connects with the RS485 module is two-way.The man-machine interaction module is made up of LCD, operation push-button and pilot lamp.The data that the AC sampling module collects get into the inside AD converter of CPU module;, CPU is transferred to the switching value output module after handling through leaving optocoupler driving module; Accomplish the photoelectricity of switching value output and isolate and the relay control of export, the switching value inputting modular unit is transferred to CPU with the switching value signal through opening into the optocoupler driving again.
CPU adopts DSP (digital signal processor) the chip Microchip dsPic 30f6014A of the U.S. little core science and technology (Microchip) company; Be installed in CPU, open on the module; This chip has very high frequency of operation and computing velocity; Very big addressing space, abundant order set and more input/output port.The register of CPU, data bus, address bus all are 32, have memory management functions, memory protection function and Task Switching function, and high-speed cache (Cache) and floating number parts all are integrated in the CPU.
The beneficial effect of the utility model is: microcomputer protecting controller (PES-3000) is the protection measure and control device that the electric (Shanghai) Co., Ltd. of pul shield makes for 6-10KV switch cubicle, ring main unit research and development specially, has user oriented open type soft hardware system.The special installation question of considering under the interior insufficient space situation of cabinet on the hardware designs, the whole Unit Installation degree of depth has only 7 centimetres of less thaies.The release of this this equipment series of equipment series has greatly improved the intelligent level of switch cubicle, ring main unit.Owing to accomplish nearly all data manipulation with a slice CPU inside; Realized that really bus does not go out chip; The reliability and the antijamming capability of Microcomputer Protection have been improved greatly, because Microchip dsPic peripheral chip is fewer, so the board area that whole hardware designs takies is less; Price is also lower, and the algorithm programming also realizes easily.Microchip dsPic supports the data transmission of SPI pattern and I2C pattern simultaneously, is convenient to chip capacity and expands.These characteristics make the utility model needing be well suited for the occasion of high resolving power, high sampling rate and supercomputing.The utility model and prior art relatively, peripheral chip is still less, design is simpler, and does not have the problem of two exchanges data between the CPU processor; Data manipulation can be accomplished in sheet; Support multiple communication modes such as Dual-Ethernet, optical fiber, RS485, CAN, possess computerize, networking; Intellectuality, the incorporate characteristics of protection, control, measurement and data communication.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram.
Among the figure: 1-CPU module, 1-1-CPU, 1-2-are left optocoupler and are driven module, and 1-3-opens into optocoupler and drives module; The 1-4-RS485 module, 2-power supply module, 3-AC sampling module; 4-switching value output module, 5-switching value inputting modular unit, 6-man-machine interaction module; The 6-1 LCD, 6-2 operation push-button, 6-3 pilot lamp.
Embodiment
With reference to Fig. 1; Microcomputer protecting controller (PES-3000), by power supply module 2 (XRA110R2405 of Shanghai Dechuan Electric Appliance Electronic Co., Ltd.), AC sampling module 3 (the sub-ZM-TCTA of company limited of plain telegram is selected in Nanjing); CPU module 1; Switching value output module 4 (Q1AP-24V of PANASONIC J Co., Ltd.), switching value inputting modular unit 5 (the Japanese TLP521-4 of Toshiba Corporation), man-machine interaction module 6 (Shenzhen opens up general little scientific and technological development LM3033DBY of company limited) is formed.CPU module 1 is unidirectional the connection with power supply module 2, AC sampling module 3, switching value output module 4, switching value inputting modular unit 5, is two-way the connection with man-machine interaction module 6.CPU module 1 by CPU1-1, leave optocoupler drive module 1-2 (the Japanese TLP521-1 of Toshiba Corporation), open into optocoupler drive module 1-3 (the Japanese TLP521-4 of Toshiba Corporation), RS485 module 1-4 forms; CPU1-1 with leave optocoupler and drive module 1-2, open into optocoupler and drive unidirectional connection of module 1-3, CPU1-1 and two-way connection of RS485 module 1-4.CPU1-1 is the DSP chip Microchip dsPic 30F6014A-I/PF of the U.S. little core science and technology (Microchip) company.The data that AC sampling module 3 collects get into the inside AD converter of CPU module 1-1;, CPU is transferred to switching value output module 4 after handling through leaving optocoupler driving module 1-2; Accomplish the photoelectricity of switching value output and isolate and the relay control of export, switching value inputting modular unit 5 is transferred to CPU1-1 with the switching value signal through opening into optocoupler driving 1-3 again.The various working powers of power supply module 2 generators, 85V to 265V imports, and behind the anti-interference filtration loop, utilizes inversion principle output+5V ,+24V, wherein+and 5V is that chip operation provides power supply ,+24V provides power supply for opening into leaving operational module.Man-machine interaction module 6 is made up of LCD 6-1, operation push-button 6-2, pilot lamp 6-3; Wherein LCD 6-1 accomplishes the demonstration of various information; Operation push-button 6-2 accomplishes user's inquiry, retouching operation, pilot lamp 6-3 indication fault information, unit state and on off state.
Claims (3)
1. microcomputer protecting controller; It is characterized in that: form by power supply module, AC sampling module, CPU module, switching value output module, switching value inputting modular unit, man-machine interaction module; The CPU module is unidirectional the connection with power supply module, AC sampling module, switching value output module, switching value inputting modular unit, is two-way the connection with the man-machine interaction module.
2. microcomputer protecting controller according to claim 1; It is characterized in that: described CPU module by CPU, leave optocoupler drive module, open into optocoupler drive module, the RS485 module is formed; CPU with leave optocoupler and drive module, open and drive into optocoupler that module is unidirectional to be connected; CPU connects with the RS485 module is two-way, and the data that the AC sampling module collects get into the inside AD converter of CPU module, after CPU handles, is transferred to the switching value output module through leaving optocoupler driving module; Accomplish the photoelectricity of switching value output and isolate and the relay control of export, the switching value inputting modular unit is transferred to CPU with the switching value signal through opening into the optocoupler driving again.
3. microcomputer protecting controller according to claim 1 is characterized in that: described man-machine interaction module is made up of LCD, operation push-button and pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229394 CN202583746U (en) | 2012-05-22 | 2012-05-22 | Microcomputer protection measurement-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229394 CN202583746U (en) | 2012-05-22 | 2012-05-22 | Microcomputer protection measurement-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583746U true CN202583746U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220229394 Expired - Fee Related CN202583746U (en) | 2012-05-22 | 2012-05-22 | Microcomputer protection measurement-control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487445A (en) * | 2015-12-28 | 2016-04-13 | 国家电网公司 | Switching value output device having functions of time delay and time holding and method |
| CN106484023A (en) * | 2016-11-14 | 2017-03-08 | 成都九五测控科技有限公司 | A kind of lightning protection microcomputer protecting controller |
| CN106532623A (en) * | 2016-11-14 | 2017-03-22 | 成都九五测控科技有限公司 | Microcomputer circuit protective measurement control apparatus |
| CN111722556A (en) * | 2020-05-12 | 2020-09-29 | 广州市扬新技术研究有限责任公司 | Switch cabinet intelligent terminal integrating protection, control and online monitoring |
-
2012
- 2012-05-22 CN CN 201220229394 patent/CN202583746U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487445A (en) * | 2015-12-28 | 2016-04-13 | 国家电网公司 | Switching value output device having functions of time delay and time holding and method |
| CN105487445B (en) * | 2015-12-28 | 2018-09-18 | 国家电网公司 | It is a kind of that there is delay and time to keep the output switch parameter device and method of function |
| CN106484023A (en) * | 2016-11-14 | 2017-03-08 | 成都九五测控科技有限公司 | A kind of lightning protection microcomputer protecting controller |
| CN106532623A (en) * | 2016-11-14 | 2017-03-22 | 成都九五测控科技有限公司 | Microcomputer circuit protective measurement control apparatus |
| CN111722556A (en) * | 2020-05-12 | 2020-09-29 | 广州市扬新技术研究有限责任公司 | Switch cabinet intelligent terminal integrating protection, control and online monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20121205 Termination date: 20190522 |