CN106443147A - Four-way overvoltage recording device - Google Patents
Four-way overvoltage recording device Download PDFInfo
- Publication number
- CN106443147A CN106443147A CN201610893200.3A CN201610893200A CN106443147A CN 106443147 A CN106443147 A CN 106443147A CN 201610893200 A CN201610893200 A CN 201610893200A CN 106443147 A CN106443147 A CN 106443147A
- Authority
- CN
- China
- Prior art keywords
- circuit
- overvoltage
- recording device
- sampling hold
- hold circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a four-way overvoltage recording device which comprises a sampling circuit, a sampling hold circuit, a CPU processing circuit, an input system, a storage system, a display system and a power source system. The sampling circuit, the sampling hold circuit and the CPU processing circuit are connected in sequence. The input system, the storage system, the display system and the power source system are electrically connected with the CPU processing circuit. The four-way overvoltage recording device has the advantages of being reliable and convenient to operate, convenient to maintain, and capable of accurately recording online real-time overvoltage values.
Description
Technical field
The present invention relates to a kind of over-voltage monitoring recording equipment, specifically related to a kind of four pass by voltage recording equipment.
Background technology
Overvoltage protection is widely used in the sophisticated electronics of all trades and professions, the such as communication such as mobile communication Netcom,
The field such as electric power, railway oil, airport and finance.Various electronic equipments are provided with certain overvoltage protection, but is also had
A part of electronic equipment is still damaged by thunder and lightning or overvoltage.Record due to there is presently no a kind of overvoltage for using of can popularizing
Therefore the various overvoltage damage equipment accidents of circuit cannot be carried out quantitative analyses and carry to improving protection rectification by device
For strong evidence.
Content of the invention
Technical problem solved by the invention is that providing a kind of four passes by voltage recording equipment, to solve above-mentioned background skill
Art shortcoming.
A kind of four pass by voltage recording equipment, and the device includes sample circuit (1), sampling hold circuit (2), CPU process
Circuit (3), input system (4), storage system (5), display system (6), power-supply system (7).
Sample circuit (1), sampling hold circuit (2), CPU process circuit (3) are sequentially connected, the input system
(4), storage system (5), display system (6), power-supply system (7) are all electrically connected with CPU process circuit (3).
Described sample circuit (1) is metal film noninductive resistance.
Described sampling hold circuit (2) are AD781.
CPU process circuit (3) HT1632C.
The present invention have reliable, convenient, the online overvoltage value in real time of accurate recording easy to maintenance.
Description of the drawings
Fig. 1 is the theory diagram of the present invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.As Fig. 1, the present invention is for monitoring record power transmission line
The peak overvoltage on road, including sample circuit (1), sampling hold circuit (2), CPU process circuit (3), input system (4), deposits
Storage system (5), display system (6), power-supply system (7).
Sample circuit (1), sampling hold circuit (2), CPU process circuit (3) are sequentially connected, the input system
(4), storage system (5), display system (6), power-supply system (7) are all electrically connected with CPU process circuit (3).
Described sample circuit (1) is metal film noninductive resistance.
Described sampling hold circuit (1) is AD781
CPU process circuit (3) HT1632C.
Above example is only used for the present invention, rather than limitation of the present invention, person skilled in the relevant technique,
Without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore the technical side of all equivalents
Case also should belong to scope of the invention, should be limited by each claim.
Claims (3)
1. one kind four passes by voltage recording equipment, and which mainly includes:Sample circuit (1), sampling hold circuit (2), CPU process electricity
Road (3), input system (4), storage system (5), display system (6), power-supply system (7), it is characterised in that the sample circuit
(1) it is noninductive resistance.
2. according to claim 1 four voltage recording equipment is passed by, it is characterised in that, the sampling hold circuit is
AD781.
3. according to claim 1 is stated four, voltage recording equipment is passed by, it is characterised in that, the CPU processor is HT1632C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893200.3A CN106443147A (en) | 2016-10-12 | 2016-10-12 | Four-way overvoltage recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893200.3A CN106443147A (en) | 2016-10-12 | 2016-10-12 | Four-way overvoltage recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106443147A true CN106443147A (en) | 2017-02-22 |
Family
ID=58173669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610893200.3A Pending CN106443147A (en) | 2016-10-12 | 2016-10-12 | Four-way overvoltage recording device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106443147A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041819U (en) * | 1988-11-05 | 1989-07-26 | 阎晓阳 | Intelligent type electric function observation instrument |
| CN203164277U (en) * | 2012-12-04 | 2013-08-28 | 阳光电源股份有限公司 | Overcurrent and overvoltage protection detection circuit |
| US20140253098A1 (en) * | 2013-03-11 | 2014-09-11 | Silergy Semiconductor Technology (Hangzhou) Ltd | Voltage peak detection circuit and detection method |
| CN204144930U (en) * | 2014-10-31 | 2015-02-04 | 国网新疆电力公司电力科学研究院 | A kind of microprocessor relay and protection system of transmission line |
| CN104979804A (en) * | 2015-07-08 | 2015-10-14 | 灿瑞半导体(上海)有限公司 | Output over-voltage protection circuit |
-
2016
- 2016-10-12 CN CN201610893200.3A patent/CN106443147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041819U (en) * | 1988-11-05 | 1989-07-26 | 阎晓阳 | Intelligent type electric function observation instrument |
| CN203164277U (en) * | 2012-12-04 | 2013-08-28 | 阳光电源股份有限公司 | Overcurrent and overvoltage protection detection circuit |
| US20140253098A1 (en) * | 2013-03-11 | 2014-09-11 | Silergy Semiconductor Technology (Hangzhou) Ltd | Voltage peak detection circuit and detection method |
| CN204144930U (en) * | 2014-10-31 | 2015-02-04 | 国网新疆电力公司电力科学研究院 | A kind of microprocessor relay and protection system of transmission line |
| CN104979804A (en) * | 2015-07-08 | 2015-10-14 | 灿瑞半导体(上海)有限公司 | Output over-voltage protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |