CN203894794U - Lightning prevention protecting counter - Google Patents
Lightning prevention protecting counter Download PDFInfo
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- CN203894794U CN203894794U CN201420270171.1U CN201420270171U CN203894794U CN 203894794 U CN203894794 U CN 203894794U CN 201420270171 U CN201420270171 U CN 201420270171U CN 203894794 U CN203894794 U CN 203894794U
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Abstract
The utility model discloses a lightning prevention protecting counter. The counter comprises a lightning detection module for detecting lightning, a signal isolation module connected to the lightning detection module and used to isolate lightning signals, a counting and display module connected with the signal isolation module, and a rectification charging module converting an alternating current into a direct current; the counting and display module counts the detected lightning and displays counts; and the rectification charging module powers a storage battery, the signal isolation module and the counting and display module. Compared with the prior art, the lightning prevention protecting counter has the advantages of the simple circuit, sensitive and reliable working, low manufacturing cost, many counting bits and improved equipment reliability; the lightning prevention protecting counter is easy to implement and is convenient to install and use by utilizing a coil sensing probe; and the lightning prevention protecting counter can work continuously relying on the internal storage battery after the system is powered off.
Description
Technical field
The utility model relates to counter, relates in particular to a kind of counter that applies to record in lightning protection equipment discharge time.
Background technology
Anti-lightening protector is the conventional protection configuration of power supply-distribution system, can effectively protect power supply-distribution system, prevents the infringement of thunder and lightning.In many anti-lightening protectors with thunder-and-lightning counter, in order to record number of lightning strokes.But existing counter or circuit be elaborate too, easily damage, be unfavorable for using and promote; Counting figure place is inadequate, and the large-scale promotion application of product is restricted.
So develop a kind of simple in structure, volume is small and exquisite, counting figure place lightning protection counters many, stable and reliable operation become the technical matters of needing in the industry solution badly.
Utility model content
The utility model is the problems referred to above that will solve prior art, proposes a kind ofly to count that figure place is many, the lightning protection counter of stable and reliable operation.
For solving the problems of the technologies described above; the technical scheme the utility model proposes is a kind of lightning protection counter of design, and it comprises: in order to survey thunder and lightning lightening detection module, connect lightening detection module in order to isolate thunder and lightning signal signal isolation module, connect counting display module that signal isolation module counts surveyed thunder and lightning and shown, alternating current be converted into direct current and to accumulator and signal isolation module with count the rectification charging module that display module is powered.
Described lightening detection module adopts the inductive coil that is enclosed within thunder resisting equipment ground wire outside.
Described signal isolation module has optically-coupled pipe, the optocoupler positive pole of its input side connects one end of described inductive coil by the 5th resistance, the negative pole of its input side connects the other end of inductive coil, and the collector and emitter of its outgoing side connects described counting display module in order to carry segregate thunder and lightning signal.
Described counting display module comprises first to fourth counting chip and first to fourth charactron, positive source connects one end of diode cathode and the first switch, diode cathode connects the collector of described optically-coupled pipe outgoing side and the power end of first to fourth counting chip, and one end of the 5th electric capacity, the emitter of optically-coupled pipe outgoing side connect the second resistance and the 4th electric capacity one end and and the counting trigger end of the first counting chip, one end the ground connection of another termination the 3rd resistance of the second resistance and the 4th electric capacity, the reset terminal of another termination first to fourth counting chip of the 3rd resistance, the other end of the other end of the 5th electric capacity and the first switch, the counting trigger end of carry output termination second counting chip of the first counting chip, the counting trigger end of carry output termination the 3rd counting chip of the second counting chip, the counting trigger end of carry output termination the 4th counting chip of the 3rd counting chip, corresponding first to fourth charactron that connects of first to fourth counting chip.
Described rectification charging module comprises live wire end and the zero line side that connects civil power, live wire end connects one end of the 5th inductance, zero line side connects one end of the 6th inductance, the other end of the 5th inductance connects the first voltage dependent resistor (VDR), one end of the first resistance and the first electric capacity, the other end of the first resistance and the first electric capacity is connected one end of the second voltage dependent resistor (VDR) and an input end of bridge rectifier block, the other end of the 6th inductance connects the other end of the first voltage dependent resistor (VDR) and the second voltage dependent resistor (VDR), and another input end of bridge rectifier block, the positive pole of bridge rectifier block connects one end of the 17 resistance, another termination second electric capacity of the 17 resistance and one end of the 3rd electric capacity, the negative pole of voltage stabilizing diode, the collector of the first triode, the positive pole of accumulator, and positive source, the positive pole of voltage stabilizing diode connects the base stage of negative pole and first triode of the 17 diode, the negative pole of bridge rectifier block connects the other end of the second electric capacity and the 3rd electric capacity, the positive pole of the 17 diode, the emitter of the first triode, the negative pole of accumulator ground connection.
It is the chip of CD4026B that described first to fourth counting chip all adopts model.
Compared with prior art, the utility model circuit be simple and easy to realize, work sensitive reliable, manufacturing cost compared with low, counting figure place is many, use the convenient installation of coil-induced probe easy to use, after system cut-off, can rely on inner accumulator to work on, improve equipment dependability.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model preferred embodiment;
Fig. 2 is the rectification charging module circuit diagram of the utility model preferred embodiment;
Fig. 3 is the counting display module circuit diagram of the utility model preferred embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
The utility model has disclosed a kind of lightning protection counter, and referring to Fig. 1, it comprises: in order to survey thunder and lightning lightening detection module, connect lightening detection module in order to isolate thunder and lightning signal signal isolation module, connect counting display module that signal isolation module counts surveyed thunder and lightning and shown, alternating current be converted into direct current and to accumulator and signal isolation module with count the rectification charging module that display module is powered.
In preferred embodiment, lightening detection module adopts inductive coil L1, and it is enclosed within thunder resisting equipment ground wire outside, is convenient to install and use.
Referring to Fig. 3, in preferred embodiment, signal isolation module has optically-coupled pipe U1, the positive pole of its input side connects one end of described inductive coil L1 by the 5th resistance R 5, the negative pole of its input side connects the other end of inductive coil, and the collector and emitter of its outgoing side connects described counting display module in order to carry segregate thunder and lightning signal.Obtain by this good safety isolation, detection is obtained to signal and supply with the use of counting display module.
Referring to Fig. 3, at preferred embodiment several display modules of falling into a trap, comprise first to fourth counting chip and first to fourth charactron, counting chip adopts the chip that model is CD4026B, the positive source of rectification charging module output connects one end of diode D1 positive pole and the first K switch 1, diode cathode connects the collector of described optically-coupled pipe U1 outgoing side and the power end of first to fourth counting chip (the 16th pin) in order to provide working power to counting chip, and one end of the 5th capacitor C 5, the emitter of optically-coupled pipe outgoing side connect the second resistance R 2 and the 4th capacitor C 4 one end and and the counting trigger end (the 1st pin) of the first counting chip U2, one end the ground connection of another termination the 3rd resistance R 3 of the second resistance and the 4th electric capacity, the reset terminal of another termination first to fourth counting chip of the 3rd resistance (the 15th pin), the other end of the other end of the 5th electric capacity and the first switch, the carry output terminal of the first counting chip (the 5th pin) connects the counting trigger end of the second counting chip U3, the counting trigger end of carry output termination the 3rd counting chip U4 of the second counting chip, the counting trigger end of carry output termination the 4th counting chip U5 of the 3rd counting chip, corresponding first to fourth charactron (LS1 to LS4) that connects of first to fourth counting chip.
When having thunder and lightning to pass through ground wire earial drainage, inductive coil L1 senses signal, optically-coupled pipe U1 is triggered the conducting of outgoing side collector and emitter, the counting trigger end of the first counting chip U2 (the 1st pin) obtains the trigger pulse of a high level, U2 records a thunder discharge, U2 connects the first charactron (LS1), and discharge time shows in charactron.When counting full ten times, U2 sends a carry signal by carry output terminal (the 5th pin), and this carry signal is delivered to the counting trigger end of the second counting chip U3, and U4 is also so connected with U5, and 4 block count chips can record 9999 electric discharges.Numerical value shows by LS1 to LS4.
Circuit diagram referring to rectification charging module in the preferred embodiment shown in Fig. 2, it comprises the live wire end and zero line side (JP1 is connected by interface) that connects civil power, live wire end connects one end of the 5th inductance L 5, zero line side connects one end of the 6th inductance L 6, the other end of the 5th inductance connects the first voltage dependent resistor (VDR) RV1, one end of the first resistance R 1 and the first capacitor C 1, the other end of the first resistance and the first electric capacity is connected one end of the second voltage dependent resistor (VDR) RV2 and an input end of bridge rectifier block (BR), the other end of the 6th inductance connects the other end of the first voltage dependent resistor (VDR) and the second voltage dependent resistor (VDR), and another input end of bridge rectifier block, the positive pole of bridge rectifier block connects one end of the 17 resistance R 17, another termination second capacitor C 2 of the 17 resistance and one end of the 3rd capacitor C 3, the negative pole of voltage stabilizing diode DW, the collector of the first triode Q1, the positive pole of accumulator BT1, and positive source, the positive pole of voltage stabilizing diode connects the base stage of negative pole and the first triode of the 17 diode D17, the negative pole of bridge rectifier block connects the other end of the second electric capacity and the 3rd electric capacity, the positive pole of the 17 diode, the emitter of the first triode, the negative pole of accumulator ground connection.
In rectification charging module, by C1, R1, BR, R17, C2, C3, form step-down rectifying circuit; DW, D17, Q1, BT1 form voltage stabilizing charge circuit, are bulk loop power supply; Voltage dependent resistor (VDR) RV1, RV2 play the protective effect of pressure limiting earial drainage, and its strong shock resistance is suitable as the power supply of thunder resisting equipment.For preventing that thunder and lightning from causing system cut-off, make the counter even obliterated data that quits work, therefore be connected an accumulator between positive source and ground, during in order to power-off, can work on.
In preferred embodiment, it is the chip of CD4026B that first to fourth counting chip all adopts model
Above embodiment is only for illustrating, non-providing constraints.Anyly do not depart from the application's spirit and category, and the equivalent modifications that it is carried out or change all should be contained among the application's claim scope.
Claims (6)
1. a lightning protection counter, is characterized in that comprising: in order to survey thunder and lightning lightening detection module, connect lightening detection module in order to isolate thunder and lightning signal signal isolation module, connect counting display module that signal isolation module counts surveyed thunder and lightning and shown, alternating current be converted into direct current and to accumulator and signal isolation module with count the rectification charging module that display module is powered.
2. lightning protection counter as claimed in claim 1, is characterized in that: described lightening detection module adopts the inductive coil (L1) that is enclosed within thunder resisting equipment ground wire outside.
3. lightning protection counter as claimed in claim 2; it is characterized in that: described signal isolation module has optically-coupled pipe (U1); the positive pole of its input side connects one end of described inductive coil (L1) by the 5th resistance (R5); the negative pole of its input side connects the other end of inductive coil, and the collector and emitter of its outgoing side connects described counting display module in order to carry segregate thunder and lightning signal.
4. lightning protection counter as claimed in claim 3, it is characterized in that: described counting display module comprises first to fourth counting chip and first to fourth charactron, positive source connects one end of diode (D1) positive pole and the first switch (K1), diode cathode connects the collector of described optically-coupled pipe (U1) outgoing side and the power end of first to fourth counting chip, and one end of the 5th electric capacity (C5), the emitter of optically-coupled pipe outgoing side connect the second resistance (R2) and the 4th electric capacity (C4) one end and and the counting trigger end of the first counting chip (U2), one end the ground connection of another termination the 3rd resistance (R3) of the second resistance and the 4th electric capacity, the reset terminal of another termination first to fourth counting chip of the 3rd resistance, the other end of the other end of the 5th electric capacity and the first switch, the counting trigger end of carry output termination second counting chip (U3) of the first counting chip, the counting trigger end of carry output termination the 3rd counting chip (U4) of the second counting chip, the counting trigger end of carry output termination the 4th counting chip (U5) of the 3rd counting chip, corresponding first to fourth charactron that connects of first to fourth counting chip.
5. lightning protection counter as claimed in claim 4, it is characterized in that: described rectification charging module comprises live wire end and the zero line side that connects civil power, live wire end connects one end of the 5th inductance (L5), zero line side connects one end of the 6th inductance (L6), the other end of the 5th inductance connects the first voltage dependent resistor (VDR) (RV1), one end of the first resistance (R1) and the first electric capacity (C1), the other end of the first resistance and the first electric capacity is connected one end of the second voltage dependent resistor (VDR) (RV2) and an input end of bridge rectifier block, the other end of the 6th inductance connects the other end of the first voltage dependent resistor (VDR) and the second voltage dependent resistor (VDR), and another input end of bridge rectifier block, the positive pole of bridge rectifier block connects one end of the 17 resistance (R17), another termination second electric capacity (C2) of the 17 resistance and one end of the 3rd electric capacity (C3), the negative pole of voltage stabilizing diode (DW), the collector of the first triode (Q1), the positive pole of accumulator (BT1), and positive source, the positive pole of voltage stabilizing diode connects the 17 negative pole of diode (D17) and the base stage of the first triode, the negative pole of bridge rectifier block connects the other end of the second electric capacity and the 3rd electric capacity, the positive pole of the 17 diode, the emitter of the first triode, the negative pole of accumulator ground connection.
6. lightning protection counter as claimed in claim 5, is characterized in that: it is the chip of CD4026B that described first to fourth counting chip all adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270171.1U CN203894794U (en) | 2014-05-23 | 2014-05-23 | Lightning prevention protecting counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270171.1U CN203894794U (en) | 2014-05-23 | 2014-05-23 | Lightning prevention protecting counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894794U true CN203894794U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420270171.1U Expired - Fee Related CN203894794U (en) | 2014-05-23 | 2014-05-23 | Lightning prevention protecting counter |
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| CN (1) | CN203894794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103483A (en) * | 2019-12-16 | 2020-05-05 | 广州市海德防雷科技有限公司 | Lightning protection device intelligent monitoring system based on internet of things technology |
-
2014
- 2014-05-23 CN CN201420270171.1U patent/CN203894794U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103483A (en) * | 2019-12-16 | 2020-05-05 | 广州市海德防雷科技有限公司 | Lightning protection device intelligent monitoring system based on internet of things technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |