CN203535426U - Combination relay based on microprocessor - Google Patents
Combination relay based on microprocessor Download PDFInfo
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- CN203535426U CN203535426U CN201320733105.9U CN201320733105U CN203535426U CN 203535426 U CN203535426 U CN 203535426U CN 201320733105 U CN201320733105 U CN 201320733105U CN 203535426 U CN203535426 U CN 203535426U
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- display screen
- mmi
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Abstract
The utility model 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 utility model belongs to power monitoring resist technology field, relates to more specifically a kind of banked relay based on microprocessor.
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, also more and more higher for the requirement of cost.The conventional relay protection of the following application in substations of 10kv can not be satisfied with the requirement to data processing now at present; for on-the-spot transformation; some subscriber station does not want 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; therefore the reliability of product all can not be protected, and how to research and develop a kind of cost few, and reliability again high banked relay becomes the problem of those skilled in the art's research.
Summary of the invention
For the deficiencies in the prior art, problem to be solved in the utility model is to provide a kind of banked relay based on microprocessor.
The technical solution of the utility model is:
A kind of banked relay based on microprocessor, comprise power module, real-time clock module, analog input module, AD module, CPU, the one RS422, open into module, output module and MMI, described analog input module is connected with CPU after AD module, open into module, outputing module is all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI partly comprises MCU, the 2nd RS422, display screen and button, described display screen, the 2nd RS422 is all connected with MCU, described the 2nd RS422 is connected with a RS422, described button is connected with described the 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 that outside expansion uses 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.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, 1. adopt dual processor pattern, man-machine conversation is a MCU, and data processing is a CPU, avoid like this impact of personnel's operation on host CPU, strengthened product reliability; 2. adopt PIC33 as primary processor, simple in structure, cost is low; 3. adopt external 16 high-precision A/D, can realize the synchronous sampling with high precision of 8 tunnel analog quantitys; 4.OLED display screen has reduced the loss of the energy, strong to the applicable ability of the high low temperature of environment; The setting of 5.RS485 expanding communication interface, the adaptability of raising product.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below with reference to the accompanying drawings 1, embodiment of the present utility model is described in detail:
A kind of banked relay based on microprocessor, comprise power module, real-time clock module, analog input module, AD module, CPU, the one RS422, open into module, output module and MMI, described analog input module is connected with CPU after AD module, open into module, outputing module is all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI partly comprises MCU, the 2nd RS422, display screen and button, described display screen, the 2nd RS422 is all connected with MCU, described the 2nd RS422 is connected with a RS422, described button is connected with described the 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 that outside expansion uses 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: realize the power supply of system, 3.3V, 5V and 24V power supply are provided, 5V is MMI power supply, and 3.3V is host CPU power supply, 24V is input and output light-coupled isolation power supply;
MMI module section: be man-machine conversation part, show and adopt OLED display screen, light emitting diode, as output indication, adopts button as input interface, realizes man-machine conversational operation;
Open the input that realizes 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;
AD module: be 16 high-precision A/D, can gather 8 tunnel simulations, and can realize synchronized sampling, this module changes into digital signal by outside analog quantity information and offers CPU processing;
CPU: realize the acquisition and processing of data, output module the output of reporting to the police is provided when having can drive while reporting to the police, showing screen display relevant information simultaneously.
MCU(processor): be demonstration processor.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (6)
1. the banked relay based on microprocessor, it is characterized in that: comprise power module, real-time clock module, analog input module, AD module, CPU, the one RS422, open into module, output module and MMI part, described analog input module is connected with CPU after AD module, open into module, outputing module is all connected with CPU with real-time clock module, described CPU is connected with a RS422, described MMI partly comprises MCU, the 2nd RS422, display screen and button, described display screen, the 2nd RS422 is all connected with MCU, described the 2nd RS422 is connected with a RS422, described button is connected with described the 2nd RS422, described power module provides power supply for CPU and MMI.
2. the banked relay based on microprocessor according to claim 1, is characterized in that, the model of described CPU is PIC33.
3. the banked relay based on microprocessor according to claim 2, is characterized in that, described display screen is OLED display screen.
4. the banked relay based on microprocessor according to claim 1, is characterized in that, also comprises that outside expansion uses RS485 communication interface, and it is connected with CPU.
5. according to the banked relay based on microprocessor described in claim 1-4 any one, it is characterized in that, described MMI part also comprises LED light, and described LED light is connected with described MCU.
6. the banked relay based on microprocessor according to claim 5, 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 |
|---|---|---|---|
| CN201320733105.9U CN203535426U (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733105.9U CN203535426U (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535426U true CN203535426U (en) | 2014-04-09 |
Family
ID=50421617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320733105.9U Expired - Fee Related CN203535426U (en) | 2013-11-18 | 2013-11-18 | Combination relay based on microprocessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535426U (en) |
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2013
- 2013-11-18 CN CN201320733105.9U patent/CN203535426U/en not_active Expired - Fee Related
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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: 20140409 Termination date: 20181118 |