CN107367649A - A kind of microcomputer protection system for ferromagnetic formula current transformer - Google Patents
A kind of microcomputer protection system for ferromagnetic formula current transformer Download PDFInfo
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- CN107367649A CN107367649A CN201710529064.4A CN201710529064A CN107367649A CN 107367649 A CN107367649 A CN 107367649A CN 201710529064 A CN201710529064 A CN 201710529064A CN 107367649 A CN107367649 A CN 107367649A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a kind of microcomputer protection system for ferromagnetic formula current transformer; including central processing module, detection module, display module, memory module, monitoring modular and photoelectric isolation module, the input of the output end of the central processing module input with the photoelectric isolation module, detection module respectively.The identification effectively to be worked by the status indicator lamp unit of display module central processing module, and the cooperation of display unit and keyboard unit is to the data change of central processing module, improve ageing, and memory module passes through EPROM units, ram cell and EEPROM cell, so that the storage demand under adapting to varying environment, and the stabilization that monitoring modular can monitor central processing module in real time by WATCHDOG units and alarm unit and memory module is run, and frequency measurement unit in detection module, power-factor measurement unit, temperature measurement unit and electric leakage measuring unit detect running environment in real time, improve the stabilization of operation, so that reduce cost and improve service life.
Description
Technical field
The present invention relates to electric circuit inspection technical field, it particularly relates to a kind of for the micro- of ferromagnetic formula current transformer
Machine protects system.
Background technology
Current Sci-Tech Level, simulation calculation still cannot rely on to device for switching ability to solve, the development of product
It must can shape and produce to verify whether eventually through experiment by information and experience that high power laboratory station provides.Electricity
Device experiment is the checking for the various performances that should possess in the case of normal work and failure to electrical equipment.Different electric equipment products experiments
Test requirements document it is different, Current Voltage value and throughput time are different and different also with experimental project, and this is just to test loop
Protection proposes strict requirements.In electrical short-circuit experiment, because electric current is big, traditional ferromagnetic formula current transformer can not be real
When detect track data, the generation of test failure or accident is easily caused during use.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention propose a kind of Microcomputer Protection system for ferromagnetic formula current transformer
System, to overcome the above-mentioned technical problem present in existing correlation technique.
The technical proposal of the invention is realized in this way：A kind of microcomputer protection system for ferromagnetic formula current transformer,
Including central processing module, detection module, display module, memory module, monitoring modular and photoelectric isolation module, the centre
Manage the input of the output end input with the photoelectric isolation module, the input of detection module, display module respectively of module
End, the input of memory module connected with the input of monitoring modular, and the input of the central processing module respectively with institute
State photoelectric isolation module output end, the output end of display module, the output end of memory module connection, the memory module it is defeated
Go out end to be connected with the input of the monitoring modular, frequency measurement unit is respectively equipped with the detection module, power factor is surveyed
Unit, temperature measurement unit and electric leakage measuring unit are measured, status indicator lamp unit, display list are respectively equipped with the display module
Member and keyboard unit, EPROM units, ram cell and EEPROM cell, the monitoring modular are respectively equipped with the memory module
Inside it is respectively equipped with WATCHDOG units and alarm unit.
Further, the output end of the photoelectric isolation module and input are connected to output switch parameter and switching value
Input.
Further, the central processing module is that SC universal controllers or C for handling photoelectric isolation module are led to
With type single-chip microcomputer.
Further, the display unit is LCD display.
The beneficial effects of the invention are as follows：By the status indicator lamp unit of display module effectively to central processing module work
The identification of work, and the cooperation of display unit and keyboard unit is ageing to the data change of central processing module, raising, and store
Module passes through EPROM units, ram cell and EEPROM cell so that adapts to the storage demand under varying environment, and monitors mould
The stabilization that block can monitor central processing module in real time by WATCHDOG units and alarm unit and memory module is run, and examine
Survey frequency measurement unit in module, power-factor measurement unit, temperature measurement unit and electric leakage measuring unit and detect operation in real time
Environment, improve the stabilization of operation so that reduce cost and improve service life.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of block diagram of microcomputer protection system for ferromagnetic formula current transformer according to embodiments of the present invention.
In figure：1st, central processing module；2nd, detection module；3rd, display module；4th, memory module；5th, monitoring modular；6th, light
It is electrically isolated module；7th, frequency measurement unit；8th, power-factor measurement unit；9th, temperature measurement unit；10th, electric leakage measuring unit；
11st, status indicator lamp unit；12nd, display unit；13rd, keyboard unit；14th, EPROM units；15th, ram cell；16th, EEPROM is mono-
Member；17th, WATCHDOG units；18th, alarm unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided a kind of microcomputer protection system for ferromagnetic formula current transformer.
As shown in figure 1, microcomputer protection system according to embodiments of the present invention, including central processing module 1, detection module 2,
Display module 3, memory module 4, monitoring modular 5 and photoelectric isolation module 6, the output end of the central processing module 1 respectively with
The input of the input, the input of detection module 2, the input of display module 3, memory module 4 of the photoelectric isolation module 6
End connected with the input of monitoring modular 5, and the input of the central processing module 1 respectively with the photoelectric isolation module 6
Output end, the output end of display module 3, the output end of memory module 4 connection, the output end of the memory module 4 with it is described
The input connection of monitoring modular 5, be respectively equipped with the detection module 2 frequency measurement unit 7, power-factor measurement unit 8,
Temperature measurement unit 9 and measuring unit 10 of leaking electricity, status indicator lamp unit 11, display list are respectively equipped with the display module 3
Member 12 and keyboard unit 13, EPROM units 14, ram cell 15 and EEPROM cell 16 are respectively equipped with the memory module 4,
WATCHDOG units 17 and alarm unit 18 are respectively equipped with the monitoring modular 5.
By means of above-mentioned technical proposal, by the status indicator lamp unit 11 of display module 3 effectively to central processing mould
The identification that block 1 works, and the cooperation of display unit 12 and keyboard unit 13 is to the data change of central processing module 1, during raising
Effect property, and memory module 4 passes through EPROM units 14, ram cell 15 and EEPROM cell 16 so that adapt under varying environment
Storage demand, and monitoring modular 5 can monitor central processing module 1 in real time by WATCHDOG units 17 and alarm unit 18
The stabilization run with memory module 4, and frequency measurement unit 7, power-factor measurement unit 8, temperature survey list in detection module 2
Member 9 and electric leakage measuring unit 10 detect running environment in real time, improve the stabilization of operation so that reduce cost and improve
Service life.
In addition, in one embodiment, for above-mentioned photoelectric isolation module 6, the output end of the photoelectric isolation module 6
Output switch parameter and On-off signal are connected to input.Using the program, output switch parameter and On-off signal point
The stability of operation can not be improved by photoelectric isolation module, and then improves the life-span used.
In addition, in one embodiment, for above-mentioned central processing module 1, the central processing module 1 is for locating
Manage the SC200 universal controllers or the universal single-chip microcomputers of 80C51 of photoelectric isolation module 6.So that coordinate photoelectric isolation module 6,
Improve the stability of running environment.
In addition, in one embodiment, for above-mentioned display module 3, the display unit 12 is LCD display,
And keyboard unit 13 is easy to coordinate display unit 12 to modify to central processing module 1 editor, and status indicator lamp unit 11
It can be easy to observe fortune state in real time.
In addition, in one embodiment, for above-mentioned memory module 4, the EPROM units 14, EPROM is erasable
It except programmable read only memory, can effectively cause the storage core that retention data is remained to after powering off, improve the stability of operation, and
Ram cell 15, RAM random access memory effectively make it possible to read and write at any time, are easy to as central processing module 1 and storage mould
Ephemeral data storaging medium between block 4, the stabilization of operation is improved, in addition EEPROM cell 16, EEPROM electric erazable programmables
Data will not lose after read-only storage effectively causes power down, can be easy to wipe existing information, reprogram, and improve real
The property used.
In addition, in one embodiment, for above-mentioned monitoring modular 5, the WATCHDOG units 17, WATCHDOG
House dog, it is easy to the stabilization that monitoring central processing module 1 is run in real time so that avoid program operation appearance from running and fly and be absorbed in extremely to follow
Ring, cause can not normal work, the system of reducing is absorbed in the risk of dead state, and reduces maintenance cost.
In summary, by means of the above-mentioned technical proposal of the present invention, have by the status indicator lamp unit 11 of display module 3
The identification to work central processing module 1 of effect, and the cooperation of display unit 12 and keyboard unit 13 is to central processing module 1
Data change, raising is ageing, and memory module 4 passes through EPROM units 14, ram cell 15 and EEPROM cell 16 so that energy
The storage demand under varying environment is adapted to, and monitoring modular 5 can be supervised in real time by WATCHDOG units 17 and alarm unit 18
The stabilization that control central processing module 1 and memory module 4 are run, and frequency measurement unit 7, power-factor measurement in detection module 2
Unit 8, temperature measurement unit 9 and electric leakage measuring unit 10 detect running environment in real time, improve the stabilization of operation so that reduce
Cost and improve service life.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (4)
1. a kind of microcomputer protection system for ferromagnetic formula current transformer, it is characterised in that including central processing module（1）、
Detection module（2）, display module（3）, memory module（4）, monitoring modular（5）And photoelectric isolation module（6）, the central processing
Module（1）Output end respectively with the photoelectric isolation module（6）Input, detection module（2）Input, display module
（3）Input, memory module（4）Input and monitoring modular（5）Input connection, and the central processing module
（1）Input respectively with the photoelectric isolation module（6）Output end, display module（3）Output end, memory module（4）
Output end connection, the memory module（4）Output end and the monitoring modular（5）Input connection, the detection mould
Block（2）Inside it is respectively equipped with frequency measurement unit（7）, power-factor measurement unit（8）, temperature measurement unit（9）Measured with electric leakage
Unit（10）, the display module（3）Inside it is respectively equipped with status indicator lamp unit（11）, display unit（12）And keyboard unit
（13）, the memory module（4）Inside it is respectively equipped with EPROM units（14）, ram cell（15）And EEPROM cell（16）, it is described
Monitoring modular（5）Inside it is respectively equipped with WATCHDOG units（17）And alarm unit（18）.
2. microcomputer protection system according to claim 1, it is characterised in that the photoelectric isolation module（6）Output end
Output switch parameter and On-off signal are connected to input.
3. microcomputer protection system according to claim 1, it is characterised in that the central processing module（1）For for locating
Manage photoelectric isolation module（6）SC200 universal controllers or the universal single-chip microcomputers of 80C51.
4. microcomputer protection system according to claim 1, it is characterised in that the display unit（12）For LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529064.4A CN107367649A (en) | 2017-07-01 | 2017-07-01 | A kind of microcomputer protection system for ferromagnetic formula current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529064.4A CN107367649A (en) | 2017-07-01 | 2017-07-01 | A kind of microcomputer protection system for ferromagnetic formula current transformer |
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| Publication Number | Publication Date |
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| CN107367649A true CN107367649A (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710529064.4A Pending CN107367649A (en) | 2017-07-01 | 2017-07-01 | A kind of microcomputer protection system for ferromagnetic formula current transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01259896A (en) * | 1988-04-11 | 1989-10-17 | Mitsubishi Electric Corp | Controller for automatic sewing machine |
| CN1257334A (en) * | 1999-12-16 | 2000-06-21 | 常熟开关厂 | Intelligent controller for communicable plastics casing circuit breaker |
| CN201667535U (en) * | 2010-07-16 | 2010-12-08 | 重庆迅驰电气有限公司 | Electric power system line protection observe and control apparatus |
| CN103399181A (en) * | 2013-08-02 | 2013-11-20 | 甘肃电器科学研究院 | Microcomputer protection device |
| CN104518482A (en) * | 2014-12-18 | 2015-04-15 | 平顶山中选自控系统有限公司 | Intelligent comprehensive protective device with multiple communication modes for low-voltage motors |
| CN104993601A (en) * | 2015-08-10 | 2015-10-21 | 四川贝森电器自动化有限公司 | Box-type substation remote control system |
-
2017
- 2017-07-01 CN CN201710529064.4A patent/CN107367649A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01259896A (en) * | 1988-04-11 | 1989-10-17 | Mitsubishi Electric Corp | Controller for automatic sewing machine |
| CN1257334A (en) * | 1999-12-16 | 2000-06-21 | 常熟开关厂 | Intelligent controller for communicable plastics casing circuit breaker |
| CN201667535U (en) * | 2010-07-16 | 2010-12-08 | 重庆迅驰电气有限公司 | Electric power system line protection observe and control apparatus |
| CN103399181A (en) * | 2013-08-02 | 2013-11-20 | 甘肃电器科学研究院 | Microcomputer protection device |
| CN104518482A (en) * | 2014-12-18 | 2015-04-15 | 平顶山中选自控系统有限公司 | Intelligent comprehensive protective device with multiple communication modes for low-voltage motors |
| CN104993601A (en) * | 2015-08-10 | 2015-10-21 | 四川贝森电器自动化有限公司 | Box-type substation remote control system |
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Application publication date: 20171121 |
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