CN104656489A - Combination relay based on microprocessor - Google Patents
Combination relay based on microprocessor Download PDFInfo
- Publication number
- CN104656489A CN104656489A CN201310582866.3A CN201310582866A CN104656489A CN 104656489 A CN104656489 A CN 104656489A CN 201310582866 A CN201310582866 A CN 201310582866A CN 104656489 A CN104656489 A CN 104656489A
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- China
- Prior art keywords
- cpu
- module
- microprocessor
- display screen
- mmi
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Control Of El Displays (AREA)
Abstract
The invention provides a combination relay based on a microprocessor. The combination relay comprises a power supply module, a real-time clock module, an analog quantity input module, an AD, a CPU, a first RS422, an on-off input module, an on-off output module, and an MMI. The analog quantity input module is connected with the CPU via the AD, the on-off input module, the on-off output module, and the real-time clock module are connected to the CPU, and the CPU is connected to the first RS422. The MMI comprises a MCU, a second RS422, a display screen, and a button. The display screen and the second RS422 are connected to the MCU, the second RS422 is connected to the first RS422 and the button, and the power supply module provides power for the CPU and the MMI. The combination relay is advantageous in that, a double CPU mode is used, a CPU is used for man-machine conversation and a CPU is used for data processing, thereby preventing the influence of human operation upon a main CPU, and improving product reliability. a PIC33 is used, structure is simple, and cost is low. Through an OLED display screen, energy loss is reduced, and adaptive capacity to environment is strong.
Description
Technical field
The invention belongs to power monitoring resist technology field, relate to a kind of banked relay based on microprocessor more specifically.
Background technology
Along with the development of electronic information technology, electric power application automaticity is also more and more higher, and range of application is more and more wider, and the requirement for cost is also more and more higher.The conventional relays protection of current below 10kv application in substations can not be satisfied with the requirement now to data processing; for the transformation at scene; some subscriber station is not wanted to spend a large amount of funds; but want again to meet the requirement of present situation society to data processing simultaneously; generally can meet the product of financing requirement; the reliability of product all can not be protected, and therefore how to research and develop a kind of cost less, the banked relay that reliability is high again becomes the problem of those skilled in the art's research.
Summary of the invention
For the deficiencies in the prior art, the problem to be solved in the present invention is to provide a kind of banked relay based on microprocessor.
Technical scheme of the present invention is:
A kind of banked relay based on microprocessor, comprise power module, real-time clock module, Analog input mModule, A/D module, CPU, one RS422, open into module, output module and MMI, described Analog input mModule is connected with CPU after A/D module, open into module, output module to be all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI part comprises MCU, 2nd RS422, display screen and button, described display screen, 2nd RS422 is all connected with MCU, described 2nd RS422 is connected with a RS422, described button is connected with described 2nd RS422, described power module provides power supply for CPU and MMI.
The model of described CPU is PIC33.
Described display screen is OLED display screen.
Also comprise outside expansion RS485 communication interface, it is connected with CPU.
Described MMI part also comprises LED light, and described LED light is connected with described MCU.
Describedly open into module and output module and include optical coupling isolation circuit.
The advantage that the present invention has and good effect are: owing to adopting technique scheme, 1. adopt dual processor pattern, man-machine conversation is a MCU, and data processing is a CPU, this avoid the impact of human users on host CPU, enhances product reliability; 2. adopt PIC33 as primary processor, structure is simple, and cost is low; 3. adopt external 16 high-precision AD, the synchronous sampling with high precision of 8 tunnel analog quantitys can be realized; 4.OLED display screen reduces the loss of the energy, strong to the applicable ability of environment high/low temperature; The setting of 5.RS485 expanding communication interface, improves the adaptability of product.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below with reference to the accompanying drawings 1, embodiments of the present invention are described in detail:
A kind of banked relay based on microprocessor, comprise power module, real-time clock module, Analog input mModule, A/D module, CPU, one RS422, open into module, output module and MMI, described Analog input mModule is connected with CPU after A/D module, open into module, output module to be all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI part comprises MCU, 2nd RS422, display screen and button, described display screen, 2nd RS422 is all connected with MCU, described 2nd RS422 is connected with a RS422, described button is connected with described 2nd RS422, described power module provides power supply for CPU and MMI.
The model of described CPU is PIC33.
Described display screen is OLED display screen.
Also comprise outside expansion RS485 communication interface, it is connected with CPU.
Described MMI part also comprises LED light, and described LED light is connected with described MCU.
Describedly open into module and output module and include optical coupling isolation circuit.
Power module: the power supply realizing system, provides 3.3V, 5V and 24V power supply, and 5V is MMI power supply, and 3.3V is host CPU power supply, and 24V is input and output light-coupled isolation power supply;
MMI module section: be man-machine conversation portion, display adopts OLED display screen, and light emitting diode, as output instruction, adopts button as input interface, realizes man-machine conversational operation;
Open the input realizing switching value information into module, output the node output that module realizes warning message;
RTC: real-time clock module, is called for short RTC, for whole system provides time scale information accurately;
A/D module: be 16 high-precision AD, can gather 8 tunnel simulations, and can realize synchronized sampling, the analog quantity information of outside is changed into digital signal and is supplied to CPU process by this module;
CPU: the acquisition and processing realizing data, can drive when there being warning and output module and provide to report to the police and export, simultaneously show relevant information on a display screen.
MCU(processor): be display purpose processor.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (6)
1. the banked relay based on microprocessor, it is characterized in that: comprise power module, real-time clock module, Analog input mModule, A/D module, CPU, one RS422, open into module, output module and MMI part, described Analog input mModule is connected with CPU after A/D module, open into module, output module to be all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI part comprises MCU, 2nd RS422, display screen and button, described display screen, 2nd RS422 is all connected with MCU, described 2nd RS422 is connected with a RS422, described button is connected with described 2nd RS422, described power module provides power supply for CPU and MMI.
2. according to claim 1 based on the banked relay of microprocessor, it is characterized in that, the model of described CPU is PIC33.
3. according to claim 2 based on the banked relay of microprocessor, it is characterized in that, described display screen is OLED display screen.
4. according to claim 1 based on the banked relay of microprocessor, it is characterized in that, also comprise outside expansion RS485 communication interface, it is connected with CPU.
5. according to any one of claim 1-4 based on the banked relay of microprocessor, it is characterized in that, described MMI part also comprises LED light, and described LED light is connected with described MCU.
6., according to claim 5 based on the banked relay of microprocessor, it is characterized in that, described in open into module and output module and include optical coupling isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310582866.3A CN104656489A (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310582866.3A CN104656489A (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104656489A true CN104656489A (en) | 2015-05-27 |
Family
ID=53247764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310582866.3A Pending CN104656489A (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104656489A (en) |
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2013
- 2013-11-18 CN CN201310582866.3A patent/CN104656489A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |
|
| WD01 | Invention patent application deemed withdrawn after publication |