CN104730360A - Microcomputer type relay protection tester - Google Patents
Microcomputer type relay protection tester Download PDFInfo
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- CN104730360A CN104730360A CN201310704957.XA CN201310704957A CN104730360A CN 104730360 A CN104730360 A CN 104730360A CN 201310704957 A CN201310704957 A CN 201310704957A CN 104730360 A CN104730360 A CN 104730360A
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- microprocessor
- microcomputer
- relay protection
- detection unit
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Abstract
The invention discloses a microcomputer type relay protection tester. The microcomputer type relay protection tester comprises a switching value detection unit, a fault detection unit and a microprocessor, wherein the switching value detection unit is used for collecting signals of circuits in a microcomputer type relay protection device, the fault detection unit is used for detecting fault signals of the circuits, and the microprocessor is used for analyzing and processing the collected signals. The switching value detection unit and the fault detection unit are both connected with the input end of the microprocessor, the input end of the microprocessor is further connected with a button unit, a data storer, an RS485 communication module and a power module, and the output end of the microprocessor is connected with a circuit protection unit, a display unit and a warning unit. The microcomputer type relay protection tester is simple in structure, reasonable in design, capable of testing microcomputer devices and performing real-time detection on faults, easy, convenient and quick to operate, capable of meeting the testing requirements of various types of protective relays and protection systems of various microcomputer types, good in use effect and high in popularization value.
Description
Technical field
The present invention relates to a kind of proving installation, especially relate to a kind of test instrument for microcomputer-based relay protection.
Background technology
The development of electric system and safe and stable operation bring huge power benefit to national economy and social development, once there is nature or artificial fault in electric system, can not be controlled in time, system loss of stability will be made, main equipment is caused to damage, electric network from collapsing, cause large-area power-cuts, serious consequence is brought to system and society, relay protection is the important means ensureing that power system safety and stability runs, the Microcomputer Protection of one of its ingredient serves vital role, but most integrated circuit is measured and is tested parameters respectively, make the complicated structure of its peripheral circuit, control procedure is complicated, measuring accuracy and measurement range are restricted.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art; a kind of test instrument for microcomputer-based relay protection is provided; its structure is simple; reasonable in design; can test microcomputer device and fault be detected in real time, simple and convenient, all kinds of protective relay of different microcomputer type and the test request of protection system can be met; result of use is good, and promotional value is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of test instrument for microcomputer-based relay protection, it is characterized in that: comprise the switching value unit for gathering each circuit signal in microcomputer based relay protective device, for the fault detection unit of testing circuit fault-signal and for the signal collected microprocessor carrying out analyzing and processing, described switching value unit and fault detection unit all connect with the input end of microprocessor, the input end of described microprocessor is also connected to the push-button unit for setup parameter value, for the data-carrier store of storing data information, for carrying out the RS485 communication module of two-way communication and the power module for powering for each unit module with Surveillance center computing machine, described microprocessor is the circuit protection unit that output terminal is connected to for controlling protective relaying device work, for the display unit of display circuit information and for carrying out the alarm unit of reporting to the police when Circuits System breaks down, described display unit is connected with the output terminal of microprocessor by display driver unit.
Above-mentioned a kind of test instrument for microcomputer-based relay protection, is characterized in that: described microprocessor is arm processor.
Above-mentioned a kind of test instrument for microcomputer-based relay protection, is characterized in that: described alarm unit is audible-visual annunciator.
Above-mentioned a kind of test instrument for microcomputer-based relay protection, is characterized in that: described display unit is light-emitting diode display.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, reasonable in design, easy for installation.
2, the present invention can test the parameters of circuit, and the structure of peripheral circuit is simple, control procedure is easy, measuring accuracy is high, stable and reliable working performance, warning message can be sent in time when circuit malfunctions simultaneously, be convenient to relevant staff and overhaul in time, ensure the normal operation of electric system.
3, low cost of manufacture of the present invention, simple to operation, and result of use is good, has very high promotional value.
In sum, structure of the present invention is simple, reasonable in design; can test microcomputer device and fault be detected in real time, simple and convenient, all kinds of protective relay of different microcomputer type and the test request of protection system can be met; result of use is good, and promotional value is high.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Description of reference numerals:
1-microprocessor; 2-switching value unit; 3-fault detection unit;
4-push-button unit; 5-circuit protection unit; 6-display unit;
7-alarm unit; 8-data-carrier store; 9-communication module;
10-power module; 11-display driver unit.
Embodiment
As shown in Figure 1, the present invention includes the switching value unit 2 for gathering each circuit signal in microcomputer based relay protective device, for the fault detection unit 3 of testing circuit fault-signal and for the signal collected microprocessor 1 carrying out analyzing and processing, described switching value unit 2 and fault detection unit 3 all connect with the input end of microprocessor 1, the input end of described microprocessor 1 is also connected to the push-button unit 4 for setup parameter value, for the data-carrier store 8 of storing data information, for carrying out the RS485 communication module 9 of two-way communication and the power module 10 for powering for each unit module with Surveillance center computing machine, described microprocessor 1 is the circuit protection unit 5 that output terminal is connected to for controlling protective relaying device work, for the display unit 6 of display circuit information and for carrying out the alarm unit 7 of reporting to the police when Circuits System breaks down, described display unit 6 is connected by the output terminal of display driver unit 11 with microprocessor 1.
In the present embodiment, described microprocessor 1 is arm processor.Described alarm unit 7 is audible-visual annunciator.Described display unit 6 is light-emitting diode display.
Principle of work of the present invention is: start up system, switching value unit 2 detects each circuit signal, and testing result is passed to microprocessor 1, after microprocessor 1 pair of testing result carries out analysis processor, control display unit 6 pairs of testing results by display driver unit 11 to show, simultaneously when fault detection unit 3 detect in circuit have fault to occur time, fault detection unit 3 sends fault-signal to microprocessor 1, controlled alarm unit 7 sent alerting signal by microprocessor 1 control circuit protected location 5 shutdown system, notify that relevant staff overhauls in time, in the process, two-way communication is carried out by RS485 communication module 9 and Surveillance center's computing machine, testing result and fault-signal can be uploaded to Surveillance center's computing machine.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. a test instrument for microcomputer-based relay protection, it is characterized in that: comprise the switching value unit (2) for gathering each circuit signal in microcomputer based relay protective device, for the fault detection unit (3) of testing circuit fault-signal and for the signal collected microprocessor (1) carrying out analyzing and processing, described switching value unit (2) and fault detection unit (3) all connect with the input end of microprocessor (1), the input end of described microprocessor (1) is also connected to the push-button unit (4) for setup parameter value, for the data-carrier store (8) of storing data information, for carrying out the RS485 communication module (9) of two-way communication and the power module (10) for powering for each unit module with Surveillance center computing machine, described microprocessor (1) is the circuit protection unit (5) that output terminal is connected to for controlling protective relaying device work, for the display unit (6) of display circuit information and for carrying out the alarm unit (7) of reporting to the police when Circuits System breaks down, described display unit (6) is connected by the output terminal of display driver unit (11) with microprocessor (1).
2. according to a kind of test instrument for microcomputer-based relay protection according to claim 1, it is characterized in that: described microprocessor (1) is arm processor.
3. according to a kind of test instrument for microcomputer-based relay protection described in claim 1 or 2, it is characterized in that: described alarm unit (7) is audible-visual annunciator.
4. according to a kind of test instrument for microcomputer-based relay protection described in claim 1 or 2, it is characterized in that: described display unit (6) is light-emitting diode display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704957.XA CN104730360A (en) | 2013-12-19 | 2013-12-19 | Microcomputer type relay protection tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704957.XA CN104730360A (en) | 2013-12-19 | 2013-12-19 | Microcomputer type relay protection tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104730360A true CN104730360A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310704957.XA Pending CN104730360A (en) | 2013-12-19 | 2013-12-19 | Microcomputer type relay protection tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104730360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324402A (en) * | 2016-08-26 | 2017-01-11 | 张振堂 | Intelligent relay protection monitoring device |
-
2013
- 2013-12-19 CN CN201310704957.XA patent/CN104730360A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324402A (en) * | 2016-08-26 | 2017-01-11 | 张振堂 | Intelligent relay protection monitoring device |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |