CN103018524A - Electrification display detection device of high-voltage power system - Google Patents
Electrification display detection device of high-voltage power system Download PDFInfo
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- CN103018524A CN103018524A CN2012105016242A CN201210501624A CN103018524A CN 103018524 A CN103018524 A CN 103018524A CN 2012105016242 A CN2012105016242 A CN 2012105016242A CN 201210501624 A CN201210501624 A CN 201210501624A CN 103018524 A CN103018524 A CN 103018524A
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Abstract
The invention discloses a detection device of a power system, and in particular relates to an electrification display detection device of a high-voltage power system. The electrification display detection device of the high-voltage power system comprises a sensor module (C), a lightning-protection module (B), a filter module (L), an overvoltage absorbing module (G), a signal conversion module (X) and a singlechip control module (D) which are sequentially connected. The electrification display detection device has the functions of realizing that whether high-voltage and ultra-high voltage power systems are electrified is accurately judged, safely interlocking corresponding devices, digitally displaying a voltage value of a power grid and indicating that whether the power grid is electrified, and is simple, visual and accurate in debugging, has an internal ring temperature regulating function, and is connected with a main control computer for realizing the function of information remote transmission. The power system equipment and personal safety is ensured, and the safe operation of the power system is also ensured.
Description
Technical field
The present invention relates to a kind of pick-up unit of electric system, be specifically related to the charged demonstration pick-up unit of a kind of high-voltage electric power system.
Background technology
In high pressure, ultrahigh voltage power system, it is very important ensuring safety in production.Therefore, require accurately to judge whether charged in the system, and relevant device is carried out safety interlocking, thereby guarantee power system device and personal safety, guarantee the safe operation of electric system.
Summary of the invention
The object of the present invention is to provide the charged demonstration pick-up unit of a kind of high-voltage electric power system, solve the accurate judgment device charged problem whether in high pressure, ultrahigh voltage power system.
For solving above-mentioned technical matters, the present invention is by the following technical solutions: the charged demonstration pick-up unit of a kind of high-voltage electric power system, comprise the sensing module that connects successively, thunder-arresting module, filtration module, the superpotential absorption module, signal conversion module and single chip control module, wherein said signal conversion module is to be connected on the A/D mouth 1 of single chip control module, mouth 1 and mouth 2 on the described single chip control module are connected with the digital display alarm module, A/D mouth 2 on the described single chip control module is connected with the environment temperature detection module, the D/A mouth is connected with the ammeter indicating module on the described single chip control module, mouth 3 on the described single chip control module is connected with relay output module, mouth 4 and mouth 5 on the described single chip control module are connected with communication module, communication module links to each other with the main control computer module, mouth 6 on the described single chip control module is connected with the ultralow temperature control module, and described single chip control module 7～mouth 11 suitable for reading is connected with key-press module.
That further technical scheme is above-mentioned single chip control module is suitable for reading 7～mouthfuls 11 be respectively with key-press module on be used for adjusting tested electric pressure the virtual voltage that electric pressure is adjusted key, required the minimum voltage of the minimum voltage of charged demonstration to show to adjust key, adjustment is consistent with the tested magnitude of voltage of reality adjust key, increase key and reduce key and link to each other.
Compared with prior art, the invention has the beneficial effects as follows: realized accurately judging whether high pressure, ultrahigh voltage power system be charged, relevant device is carried out safety interlocking, can numeral show the line voltage value, and indicating whether chargedly, debugging is very simple, directly perceived, accurately, has inner loop temperature regulatory function, link to each other with main control computer, realize the function of information remote transmitting.Guarantee power system device and personal safety, guaranteed the safe operation of electric system.
Description of drawings
Fig. 1 is the connection diagram of an embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system of the present invention.
Fig. 2 is the sensing module circuit connection diagram of an embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system of the present invention.
Fig. 3 is that the signal conversion module circuit of an embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system of the present invention connects.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows an embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system of the present invention: the charged demonstration pick-up unit of a kind of high-voltage electric power system, comprise the sensing module C that connects successively, thunder-arresting module B, filtration module L, superpotential absorption module G, signal conversion module X and single chip control module D, wherein said signal conversion module X is connected on the A/D mouth 1 of single chip control module D, mouth 1 and mouth 2 on the described single chip control module D are connected with digital display alarm module S, A/D mouth 2 on the described single chip control module D is connected with environment temperature detection module H, the upper D/A mouth of described single chip control module D is connected with ammeter indicating module N, mouth 3 on the described single chip control module D is connected with relay output module J, mouth 4 and mouth 5 on the described single chip control module D are connected with communication module T, communication module T links to each other with the main control computer modules A, mouth 6 on the described single chip control module D is connected with ultralow temperature control module Y, and described single chip control module D 7～mouth 11 suitable for reading is connected with key-press module Z.
The preferred embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system according to the present invention, single chip control module D is suitable for reading 7～mouthfuls 11 be respectively adjust key Z0 with the upper electric pressure that is used for adjusting tested electric pressure of key-press module Z, require the minimum voltage of the minimum voltage of charged demonstration to show to adjust key Z1, the adjustment virtual voltage consistent with the tested magnitude of voltage of reality adjusted key Z2, increase key Z3 and reduce key Z4 and link to each other.
The preferred embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system according to the present invention: the sensing module C of induction high-voltage alternating electric field signal can select the temperature sensors of high precision LM35 of american semiconductor company, this sensor adopts oneself to know that the reference source of temperature coefficient is as temperature sensing element, chip internal then adopts the linearization techniques such as differential pair tube, realized the linearization of temp-sensitive sensor, also improved the precision of sensor, with thermistor, the traditional sensors such as thermopair are compared, has good linearity, precision is high, volume is little, calibration is convenient, the characteristics such as price is low, the surveying work that is fit to very much temperature, concrete wiring diagram as shown in Figure 2, its main performance index is as follows:
1) output voltage is directly proportional with Celsius temperature: 10.0mV/ ℃;
2) wide temperature measurement range :-55～150 ℃;
3) wide supply voltage: 4～30V;
4) low-power consumption is generally less than 60uA, and self-heating temperature is less than 0.1 ℃;
5) Nonlinear Numerical: less than ± 1/4 ℃;
The resistance of resistance scale is selected according to R=Vcc/50uA. and the output voltage of circuit and the linear relationship of temperature are:
1) environment temperature is 150 ℃, Vout=1500mV;
2) environment temperature is 25 ℃, Vout=250mV;
3) environment temperature-55 ℃, Vout=550mV.
Another preferred embodiment of the charged demonstration pick-up unit of a kind of high-voltage electric power system according to the present invention, the circuit of signal conversion module X connects as shown in Figure 3: after the judgement of input voltage vin through amplifier Ro, select conducting Q1, Q2, as Vin〉0 the time, Q1 conducting, the magnitude of voltage that Vout output is positive; When Vin＜0, the Q2 conducting, Vout also exports positive magnitude of voltage through behind the phase inverter, and the output signal of amplifier Ro can be used as the positive and negative judgement of input voltage vin.
Its annexation is the thunder-arresting module B of sensing module C output terminal through eliminating lightning wave and the filtration module L that eliminates noise signal of the induction high-voltage alternating electric field signal of the tested noble potential part certain distance of distance, receive again the input end of signal conversion module X through superpotential absorption module G, signal conversion module X is transformed into single chip control module D acceptable voltage signal with the current signal of sampling, the voltage signal of signal conversion module X output terminal is delivered to the A/D mouth 1 of single chip control module D, single chip control module D processes signal, the mouth 1-mouth 2 of single chip control module D is received digital display alarm module S, the D/A mouth of single chip control module D is received ammeter indicating module N, the mouth of single chip control module D-3 is received relay output module J, the mouth 4-mouth 5 of single chip control module D is received the input end of communication module T, the output terminal of communication module T is connected with the main control computer modules A, the mouth 6 of single chip control module D is received ultralow temperature control module Y, the A/D mouth 2 of single chip control module D is connected with environment temperature detection module H, the electric pressure that the mouth 7-mouth 11 of single chip control module D is connected respectively to the tested electric pressure of adjustment on the key-press module Z is adjusted key Z0, require the minimum voltage of the minimum voltage of charged demonstration to show adjustment key Z1, adjust the virtual voltage consistent with the actual tested magnitude of voltage key Z2 that adjusts, increase key Z3 and reduce key Z4.
In the present invention, single chip control module D selects mcs-51 type single-chip microcomputer best.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here, but, should be appreciated that those skilled in the art can design a lot of other modification and embodiments, these are revised and embodiment will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (3)
1. charged demonstration pick-up unit of high-voltage electric power system, it is characterized in that: comprise the sensing module (C) that connects successively, thunder-arresting module (B), filtration module (L), superpotential absorption module (G), signal conversion module (X) and single chip control module (D), wherein said signal conversion module (X) is to be connected on the A/D mouth 1 of single chip control module (D), mouth 1 and mouth 2 on the described single chip control module (D) are connected with digital display alarm module (S), A/D mouth 2 on the described single chip control module (D) is connected with environment temperature detection module (H), the upper D/A mouth of described single chip control module (D) is connected with ammeter indicating module (N), mouth 3 on the described single chip control module (D) is connected with relay output module (J), mouth 4 and mouth 5 on the described single chip control module (D) are connected with communication module (T), communication module (T) links to each other with main control computer module (A), mouth 6 on the described single chip control module (D) is connected with ultralow temperature control module (Y), and described single chip control module (D) 7～mouth 11 suitable for reading is connected with key-press module (Z).
2. the charged demonstration pick-up unit of a kind of high-voltage electric power system according to claim 1 is characterized in that: described single chip control module (D) is suitable for reading 7～mouthfuls 11 be respectively adjust key (Z0) with the upper electric pressure that is used for adjusting tested electric pressure of key-press module (Z), require the minimum voltage of the minimum voltage of charged demonstration to show to adjust key (Z1), the adjustment virtual voltage consistent with actual tested magnitude of voltage adjusted key (Z2), increase key (Z3) and minimizing key (Z4) links to each other.
3. the charged demonstration pick-up unit of a kind of high-voltage electric power system according to claim 1 and 2, it is characterized in that: described single chip control module (D) is mcs-51 type single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105016242A CN103018524A (en) | 2012-11-30 | 2012-11-30 | Electrification display detection device of high-voltage power system |
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| CN2012105016242A CN103018524A (en) | 2012-11-30 | 2012-11-30 | Electrification display detection device of high-voltage power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597076A (en) * | 2016-12-23 | 2017-04-26 | 川铁电气（天津）股份有限公司 | Subway 1.5kV intelligent live detection device |
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| CN2906674Y (en) * | 2005-11-07 | 2007-05-30 | 钱岷江 | Live high-pressure transmission line composite insulator tester with liquid crystal graph display |
| CN200962130Y (en) * | 2006-11-01 | 2007-10-17 | 珠海优特电力科技股份有限公司 | A radio high-voltage electrification display lock device |
| CN101487857A (en) * | 2009-02-27 | 2009-07-22 | 常州市盈能电气有限公司 | High voltage electrified display locking apparatus |
| CN201773142U (en) * | 2010-07-20 | 2011-03-23 | 南京胜太迪玛斯电力系统有限公司 | Structure for on-line monitoring electrifying state of high-voltage line, bus bar and main transformer |
| CN201780325U (en) * | 2010-07-13 | 2011-03-30 | 珠海共创电力安全技术股份有限公司 | High-voltage charged display |
| CN102650669A (en) * | 2012-05-21 | 2012-08-29 | 安徽省电力公司池州供电公司 | Charged detection device of substation equipment |
| CN203101474U (en) * | 2012-11-30 | 2013-07-31 | 四川省电力公司内江电业局 | Electrification detector for high-voltage electric system |
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2012
- 2012-11-30 CN CN2012105016242A patent/CN103018524A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620281Y (en) * | 2003-05-22 | 2004-06-09 | 福州大学 | Live line displaying detector for microelectronic high-voltage, ultrahigh-voltage power system |
| CN2906674Y (en) * | 2005-11-07 | 2007-05-30 | 钱岷江 | Live high-pressure transmission line composite insulator tester with liquid crystal graph display |
| CN200962130Y (en) * | 2006-11-01 | 2007-10-17 | 珠海优特电力科技股份有限公司 | A radio high-voltage electrification display lock device |
| CN101487857A (en) * | 2009-02-27 | 2009-07-22 | 常州市盈能电气有限公司 | High voltage electrified display locking apparatus |
| CN201780325U (en) * | 2010-07-13 | 2011-03-30 | 珠海共创电力安全技术股份有限公司 | High-voltage charged display |
| CN201773142U (en) * | 2010-07-20 | 2011-03-23 | 南京胜太迪玛斯电力系统有限公司 | Structure for on-line monitoring electrifying state of high-voltage line, bus bar and main transformer |
| CN102650669A (en) * | 2012-05-21 | 2012-08-29 | 安徽省电力公司池州供电公司 | Charged detection device of substation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106597076A (en) * | 2016-12-23 | 2017-04-26 | 川铁电气（天津）股份有限公司 | Subway 1.5kV intelligent live detection device |
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Application publication date: 20130403 |