CN2488118Y - Intelligent thunderstrike counter - Google Patents
Intelligent thunderstrike counter Download PDFInfo
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- CN2488118Y CN2488118Y CN 01242718 CN01242718U CN2488118Y CN 2488118 Y CN2488118 Y CN 2488118Y CN 01242718 CN01242718 CN 01242718 CN 01242718 U CN01242718 U CN 01242718U CN 2488118 Y CN2488118 Y CN 2488118Y
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Abstract
The utility model relates to an intelligent thunderstrike counter. The structure is characterized in that: the utility model is formed by connecting a microprocessor circuit 1, a memory 2, a watchdog circuit 3, a data acquisition circuit 4, a key-press circuit 5, a calendar clock circuit 6, a liquid crystal display circuit 7, a power circuit 8 and an external interface circuit 9; the microprocessor circuit 1 controls the signal flow direction of each I/O port, collects and processes various data as well as external command information; the command memory 2 stores data, calculates the frequency as well as the strength of thunderstrike, and drives the liquid crystal display circuit 7 as well as the external interface circuit 9 to output related information. With the power of the data acquisition circuit separated from the circuit power of other parts, the utililty model improves anti-interference ability, has high reliability, and accurately records the time and the strength of thunderstrike.
Description
The utility model relates to a kind of intelligent lightning counting device, belongs to lightning protection, the detection thunderbolt apparatus field of electronic information technology
Along with the widespread use of electronic technology, the fast development of infotech, electronic equipment has been deep into people's production and various fields in life.People almost be unable to do without electronic and electrical equipment every day.Because large scale integrated circuit during various electronic equipments extensively adopt makes the anti-overvoltage capabilities of electronic equipment more much lower than traditional discrete component equipment.Thunderbolt is the one of the main reasons that causes electronic equipment to damage.For this reason, anti-(keeping away) thunder device is used widely, as communication system, electric system, radio and television or the like." lightning protection " is a comprehensive systems engineering, be in all its bearings, and comprehensive consideration is adopted various measures, and just can obtain effect.Lightning-arrest as antenna feeder in the communication system, adopt shared grounding to realize the equipotential lightning protection, adopt power arrester, the lightning protection of signal lightning arrester, and for example adopt three grades of lightning protection measures, with interference of thorough elimination thunderbolt or the like.Though people have taked a lot of measures to prevent that thunder and lightning from disturbing, the thunder calamity but is growing on and on, and every year is hundreds of millions of because of the loss that the thunder calamity causes.A wherein important reason lacks the validity of the lightning protection measures that corresponding means evaluation taked exactly.
At present, most of lightning protection devices are single lightning protection component, do not have normal operation indication, and no counting thunder function does not have the thunderbolt alarm function.Though having the lightning protection device of counting thunder function occurs at present, but this class lightning protection device is non intelligent type, can't measure the concrete time of being struck by lightning, the intensity of being struck by lightning etc., even device damage also can't be judged its source of damage, therefore, the band of lightening protection engineering enforcement at present bears the character of much blindness.In the frequent place of thunder calamity, the country and people's lives and properties are subjected to serious loss.
The purpose of this utility model is for a kind of intelligent lightning counting device is provided.
To achieve these goals, the utility model can reach by taking following measure:
Intelligent lightning counting device, its design feature is: be formed by connecting by microcontroller circuit, memory, watchdog circuit, data acquisition circuit, key circuit, calendar clock circuit, liquid crystal display circuit, power circuit, external interface circuit; Memory connects the I/O mouth of microcontroller circuit, the output terminal of watchdog circuit connects the RESET input of microcontroller circuit, the output terminal of data acquisition circuit connects the interrupt control end and the I/O mouth of microcontroller circuit, the input end of key circuit, liquid crystal display circuit, external interface circuit connects the I/O mouth of microcontroller circuit respectively, the output terminal of calendar clock circuit connects the clock control end of microcontroller circuit, power circuit is divided into independent two groups, one group of composition data Acquisition Circuit power supply, another group constitutes other circuit powers except that the data Acquisition Circuit; The signal flow that microcontroller circuit is controlled each I/O mouth to, collect and handle Various types of data and external command information, instruction storage stored data, calculate thunderbolt number of times and intensity, drive liquid crystal display circuit, external interface circuit output relevant information.
The purpose of this utility model also can reach by taking following measure:
Microcontroller circuit is formed by connecting by MCS51 compatible single-chip microcomputer MPU of series and peripheral cell thereof; Memory adopts the electrically-erasable storaging chip to constitute, and described storaging chip directly is connected with the I/O mouth of MCS51 series monolithic or directly is built in the single-chip microcomputer; Watchdog circuit mainly is made of the built-in or external chip that resets, and the built-in chip that resets is started by control command, and the signal output part of the external chip that resets connects the reseting controling end of microcontroller circuit; Data acquisition circuit is made up of thunderbolt pulse receiver and thunderbolt intensity receiver, the thunderbolt pulse receiver is by " C " type inductive coil L1, resistance R 1, R2, bridge rectifier, stabilivolt ZEN1, ZEN2, photoelectrical coupler U10 is formed by connecting, the output terminal of U10 connects the interrupt control end INT0 of micro-processor interface circuit by resistance, thunderbolt intensity receiver is by " C " type inductive coil L2, bridge rectifier, resistance R 12, R13, chip U9 is amplified in computing, A/D conversion chip U13, photoisolator U11, U14, U15 is formed by connecting, and the output terminal of described photoisolator connects the I/O mouth of micro-processor interface circuit; Key circuit connects pull-up resistor RR1 by button KEY1, KEY2, KEY3 and forms, and forms " menu ", " setting ", " affirmation " three function buttons; The calendar clock circuit is formed by connecting by calendar clock chip U5 and address decoding chip U4, and the output terminal of U5 connects the clock control end of MPU; Liquid crystal display circuit is by showing that liquid crystal chip LCD, egress buffer chip U7 are formed by connecting, and the data output of MPU connects the data input pin of LCD by U7; Power circuit adopt general two groups non-altogether+5V/1A module switch power supply; The external interface circuit is formed by connecting by operational amplifier U8 and resistance R 29, R30, and delivery outlet, output terminal that the input end of U8 connects MPU connect buzz device, relay.
Employing the utlity model has following outstanding effect:
1. adopt Computer Organization Principles, can write down thunderstruck time and thunderbolt intensity exactly.This taking more targeted aspect the lightning protection, promptness and validity, can drop to minimum level to the disaster that thunder and lightning causes to following each relevant departments.In telecommunications, move, in the practice process of industries such as UNICOM, railway, electric power, meteorology, finance, building,, obtain well anti-thunder and lightning effect through the check of practice, reduced the disaster that thunder and lightning causes.
2. adopt two groups of power supplies, the data acquisition circuit power supply and the power supply of other partial circuits are separated, improve antijamming capability, the reliability height can be discerned undesired signal accurately and efficiently, exactly record thunderbolt number of times.Can be struck by lightning the time by accurate recording at every turn, be accurate to minute, can write down thunderbolt intensity again, when lightning-protection module lost efficacy, provide audible and visual alarm signal etc., for the effect assessment of lightening protection engineering provides important objective evidence.The intensity of the each thunderbolt of energy accurate recording, and highly sensitive, when being 300A (ampere), counts thunder-strike current.
3. adopt non-volatile electrically-erasable memory (EEPROM) storage thunderbolt record, memory capacity is big, and plain edition can write down 250 thunderbolt records in detail, and enhancement mode can write down 1000 thunderbolt records in detail, can obliterated data.Adopt " house dog " circuit, prevent " machine of delaying ".
4. adopt the real-time calendar clock IC of hardware circuit, accurate timing, month error was less than 5 seconds.And charged pool in this IC under the situation that additional power source lost efficacy, guarantees the clock operation accurately, can be for 10 years.This IC discerns size month and leap year automatically.Adopt Chinese character LCD LCD, displaying contents is complete, abundant.
The utility model is as follows with the comparative result of domestic and international product:
| Technical indicator | The utility model | External product | Home products |
| Counting thunder | Have | Have | Have |
| Thunderbolt intensity record | Have | Like product does not have | Do not have |
| Audible and visual alarm | Have | Part has | Do not have |
| Date, clock | Have | Do not have | Do not have |
| Remote signalling | Have | Do not have | Do not have |
| Chinese character LCD shows | Have | Do not have | Do not have |
Below in conjunction with accompanying drawing the utility model is described in detail:
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model embodiment 1.
Fig. 3 is a functional flow diagram of the present utility model.
Fig. 1, Fig. 2, Fig. 3 constitute embodiment 1 of the present utility model.As can be seen from Figure 1, present embodiment is formed by connecting by microcontroller circuit 1, memory 2, watchdog circuit 3, data acquisition circuit 4, key circuit 5, calendar clock circuit 6, liquid crystal display circuit 7, power circuit 8, external interface circuit 9; As can be seen from Figure 2, microcontroller circuit 1 is formed by connecting by singlechip chip U1 (8031) and peripheral cell thereof; Memory 2 adopts the electrically-erasable storaging chip that is built among the U1 to constitute; Watchdog circuit 3 mainly is made of the chip that resets that is built among the U1, and the built-in chip that resets is started by control command; Data acquisition circuit 4 is made up of thunderbolt pulse receiver and thunderbolt intensity receiver, the thunderbolt pulse receiver is by " C " type inductive coil L1, resistance R 1, R2, bridge rectifier, stabilivolt ZEN1, ZEN2, photoelectrical coupler U10 is formed by connecting, the output terminal of U10 connects the interrupt control end INT0 of U1 by resistance, thunderbolt intensity receiver is by " C " type inductive coil L2, bridge rectifier, resistance R 12, R13, chip U9 is amplified in computing, A/D conversion chip U13, photoisolator U11, U14, U15 is formed by connecting, and the output terminal of described photoisolator connects the I/O mouth of U1; Key circuit 5 connects pull-up resistor RR1 by button KEY1, KEY2, KEY3 and forms, and forms " menu ", " setting ", " affirmation " three function buttons; Calendar clock circuit 6 is formed by connecting by calendar clock chip U5 and address decoding chip U4, and the output terminal of U5 connects the clock control end of U1; Liquid crystal display circuit 7 is by showing that liquid crystal chip LCD, egress buffer chip U7 are formed by connecting, and the data output of U1 connects the data input pin of LCD by U7; Power circuit 8 adopt general two groups non-altogether+5V/1A module switch power supply; External interface circuit 9 is formed by connecting by moving calculation amplifier U8 and resistance R 29, R30, and delivery outlet, output terminal that the input end of U8 connects MPU connect buzz device, relay.
The principle of work of each ingredient of the utility model is as follows:
When equipment is struck by lightning, thunder and lightning over the ground leakage current behind " C " type inductive coil L1 by R1, R2 current limliting, through D1, D2, D3, D4 bridge rectifier, behind stabilivolt ZEN1, ZEN2 amplitude limit, enter photoelectrical coupler U10 again.U10 from the 4th pin output pulse signal through the outer interrupt pin INT0 of resistance to U1.Promptly when lightning strike signals, the INT0 of U1 receives to a undersuing, triggers the U1 counting, and recording unit suffers once to be struck by lightning.Simultaneously, thunder and lightning is leakage current warp " C " type inductive coil L2 over the ground, becomes the all-wave signal through D7, D8, D9, D10 bridge rectifier, through R12, R13 dividing potential drop, send into the U9 tripod, U9 and R15, D5, C3, R14 forms sample/hold amplifier, and the sampling retention time is 2 seconds.U9 the 7th pin output signal is sent into MPU3 and is carried out the A/D conversion.Serial data after the A/D conversion is sent into U11, U14, U15 carries out photoelectricity and isolates, and is sent to U1 again and handles.U1 is according to the strong and weak degree of the signal that receives, the intensity that judgment device is struck by lightning.U1 is delivered to liquid crystal display circuit 7 and external interface circuit 9 with result of calculation.Because " C " type inductive coil has the reasonable I/V linearity, therefore, can accurately measure thunderbolt intensity.Wherein, ZEN4 is used to protect U9, can not damage because of excessive thunderbolt intensity.Q1, Q2, Q3 are used to improve the driving force of MPU, U.
Microcontroller circuit 1 adopt high integration with the compatible Single-chip Controlling of MCS51 series, divide plain edition and two kinds of counters of enhancement mode because the capacity difference, the single-chip microcomputer model of employing is also different, but can be backward compatible.
Memory 2 is selected the deposit medium of electrically-erasable memory as thunderbolt record for use, and it is big to have a capacity, and speed is fast, and performance is good, and power down is the advantage of obliterated data not.This memory serviceable life is 100,000 times.Plain edition counter memory capacity is the 2k byte, and enhancement mode counter memory capacity is the 10k byte.Memory directly is connected with the MCS51 series monolithic, need not through other interface circuit.
Watchdog circuit 3 makes the utility model operate as normal in rugged environment very, prevents interference source, in order to guarantee the operate as normal of single-chip microcomputer, makes single-chip microcomputer " machine of delaying " never.
Button treatment circuit 5 comprises button " menu ", " setting ", " affirmation ", is connected by respective keys and draws resistance R R1 to form.RR1 links to each other with MPU the 1st, 2,3 pin respectively.
Calendar clock circuit 6 adopts hardware calendar clock chip DS12887.Since this clock chip can with the U1 direct interconnection, so U1 can accurate recording equipment time of being struck by lightning.
Liquid crystal display circuit 7 adopts graphic presentation Liquid Crystal Module GSR12232BL, and the thunderbolt number of times that calculates of U1 and the intensity of being struck by lightning are shown.
Power circuit 8 adopt general two groups non-altogether+5V/1A module switch power supply, the power supply ground with other circuit, the power supply ground of data acquisition circuit 4 is separated, thereby has got rid of the interference of thunder and lightning other circuit, make number of times and the intensity calculated accurate.
External interface circuit 9 can have buzz device, relay by external alarm interface.Drive corresponding peripheral hardware by MPU through driving Darlington transistor integrated circuit U8, as buzz device, relay etc.
The utility model is provided with function key, and the function of each function key is as follows:
(RESET) resets: restart button.Press this button, system will reinitialize.
Menu (MENU): press this button, system will show first to the 5th menu.As can be seen from Figure 3, function of the present utility model is respectively:
(1) shows the thunderbolt sum: xxx, xxx scope: 000-250;
(2) show history; Under this pattern, if press " setting " (SETTING) key, system will show the thunderbolt record one by one, until having shown all thunderbolt records.As desire to drop by the wayside, press " affirmation " key and get final product.
(3) is set the time; Under this pattern, can distinguish the time of initialization system: the time, month, the date, hour, minute.
(4) remove historical record; Under this pattern, press " setting " key, remove all thunderbolt records under the system.And the sum clear " 0 " that will be struck by lightning.
(5) simulation thunderbolt; Under this pattern, press " setting " key, system produces the record that once is struck by lightning.
Set (SETTING): be used to set the concrete numerical value under each layer menu.
Confirm (RETURN): be used to confirm each layer menu operation.If cancel this layer menu operation,, change down one deck menu automatically over to by " menu " key.
In the present embodiment:
RN1 (5 core plug): link to each other with external remote signalling joint (DB9).
RN1 stitch DB9 stitch signal definition
PIN 1 1+5V power supply (output current: 500mA)
PIN 22 GND (logically)
PIN 33 and PIN4 form normally closed contact
PIN 44 and PIN3 form normally closed contact
PIN 55 and PIN4 form the explanation of normally opened contact connector
| The connector title | Function declaration | Remarks |
| G1+5 | The first via+5V power supply input | G1, G2 is not for not altogether |
| G2+5 | The input of the second tunnel+5V power supply | The same |
| SHOCK1 | Connect inductive coil (1) | Be used for the indirect lightning strike pulse |
| SHOCK2 | Connect inductive coil (2) | Be used for indirect lightning strike intensity |
| MODULE | Connect the thunder-arresting module normally closed contact | Be used for the module alarm |
| RN3 | Meet LCD LCD | |
| RN1 | Connect DB9 pin remote signalling interface |
Claims (10)
1. intelligent lightning counting device is characterized in that: be formed by connecting by microcontroller circuit (1), memory (2), watchdog circuit (3), data acquisition circuit (4), key circuit (5), calendar clock circuit (6), liquid crystal display circuit (7), power circuit (8), external interface circuit (9); Memory (2) connects the I/O mouth of microcontroller circuit (1), the output terminal of watchdog circuit (3) connects the RESET input of microcontroller circuit (1), the output terminal of data acquisition circuit (4) connects the interrupt control end and the I/O mouth of microcontroller circuit (1), key circuit (5), liquid crystal display circuit (6), the input end of external interface circuit (9) connects the I/O mouth of microcontroller circuit (1) respectively, the output terminal of calendar clock circuit (6) connects the clock control end of microcontroller circuit (1), power circuit (8) is divided into independent two groups, one group of composition data Acquisition Circuit (4) power supply, another group constitutes other circuit powers except that data Acquisition Circuit (4); The signal flow that microcontroller circuit (1) is controlled each I/O mouth to, collect and handle Various types of data and external command information, instruction storage (2) stored data, calculate thunderbolt number of times and intensity, drive liquid crystal display circuit (7), external interface circuit (9) output data information.
2. intelligent lightning counting device according to claim 1 is characterized in that: the little place of microcontroller circuit (1) is formed by connecting by MCS51 compatible single-chip microcomputer MPU of series and peripheral cell thereof.
3. intelligent lightning counting device according to claim 1 is characterized in that: memory (2) adopts the electrically-erasable storaging chip to constitute, and described storaging chip directly is connected with the I/O mouth of MCS51 series monolithic or directly is built among the single-chip microcomputer MPU.
4. intelligent lightning counting device according to claim 1, it is characterized in that: watchdog circuit (3) mainly is made of the built-in or external chip that resets, the built-in chip that resets is started by control command, and the signal output part of the external chip that resets connects the reseting controling end of microcontroller circuit (1).
5. intelligent lightning counting device according to claim 1, it is characterized in that: data acquisition circuit (4) is made up of thunderbolt pulse receiver and thunderbolt intensity receiver, the thunderbolt pulse receiver is by " C " type inductive coil L1, resistance R 1, R2, bridge rectifier, stabilivolt ZEN1, ZEN2, photoelectrical coupler U10 is formed by connecting, the output terminal of U10 connects the interrupt control end INT0 of micro-processor interface circuit (1) by resistance, thunderbolt intensity receiver is by " C " type inductive coil L2, bridge rectifier, resistance R 12, R13, chip U9 is amplified in computing, A/D conversion chip U13, photoisolator U11, U14, U15 is formed by connecting, and the output terminal of described photoisolator connects the I/O mouth of micro-processor interface circuit (1).
6. intelligent lightning counting device according to claim 1 is characterized in that: key circuit (5) connects pull-up resistor RR1 by button KEY1, KEY2, KEY3 and forms, and forms " menu ", " setting ", " affirmation " three function buttons.
7. intelligent lightning counting device according to claim 1 is characterized in that: calendar clock circuit (6) is formed by connecting by calendar clock chip U5 and address decoding chip U4, and the output terminal of U5 connects the clock control end of unit MPU.
8. intelligent lightning counting device according to claim 1 is characterized in that: liquid crystal display circuit (7) is by showing that liquid crystal chip LCD, egress buffer chip U7 are formed by connecting, and the data output of single-chip microcomputer MPU connects the data input pin of LCD by U7.
9. intelligent lightning counting device according to claim 1 is characterized in that: power circuit (8) adopt general two groups non-altogether+5V/1A module switch power supply, the power supply ground with other circuit, the power supply ground of data acquisition circuit (4) is separated.
10. intelligent lightning counting device according to claim 1 is characterized in that: external interface circuit (9) is formed by connecting by operational amplifier U8 and resistance R 29, R30, and delivery outlet, output terminal that the input end of U8 connects U1 can connect buzz device, relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242718 CN2488118Y (en) | 2001-07-19 | 2001-07-19 | Intelligent thunderstrike counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242718 CN2488118Y (en) | 2001-07-19 | 2001-07-19 | Intelligent thunderstrike counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2488118Y true CN2488118Y (en) | 2002-04-24 |
Family
ID=33654429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01242718 Expired - Fee Related CN2488118Y (en) | 2001-07-19 | 2001-07-19 | Intelligent thunderstrike counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2488118Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295909C (en) * | 2003-05-28 | 2007-01-17 | 广东省科技干部学院 | Lightning protection detector for intelligent microwave base station |
| CN101408414B (en) * | 2007-10-11 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Data acquisition circuit of liquid crystal micrometer and method thereof |
| CN108490818A (en) * | 2018-01-19 | 2018-09-04 | 黄宏伟 | A kind of lightning stroke observation circuit, system and method |
-
2001
- 2001-07-19 CN CN 01242718 patent/CN2488118Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295909C (en) * | 2003-05-28 | 2007-01-17 | 广东省科技干部学院 | Lightning protection detector for intelligent microwave base station |
| CN101408414B (en) * | 2007-10-11 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Data acquisition circuit of liquid crystal micrometer and method thereof |
| CN108490818A (en) * | 2018-01-19 | 2018-09-04 | 黄宏伟 | A kind of lightning stroke observation circuit, system and method |
| CN108490818B (en) * | 2018-01-19 | 2023-09-29 | 黄宏伟 | Lightning stroke monitoring circuit, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |