CN1294683C - Portable power source lightning arrester - Google Patents
Portable power source lightning arrester Download PDFInfo
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- CN1294683C CN1294683C CNB031139086A CN03113908A CN1294683C CN 1294683 C CN1294683 C CN 1294683C CN B031139086 A CNB031139086 A CN B031139086A CN 03113908 A CN03113908 A CN 03113908A CN 1294683 C CN1294683 C CN 1294683C
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Abstract
The present invention relates to a portable power source lightning protection device. The present invention comprises a small portable casing, a lightning protection protective circuit and a detecting and warning circuit connected with the lightning protection protective circuit are arranged in the casing, both ends of the casing are respectively connected with power plugs and electric appliance plugs selected according to different national standards through power lines, and the detecting and warning circuit comprises a fire line and zero line polarity automatic detection circuit, a grounding line automatic detection circuit and a lightning protection fault alarming circuit, wherein the fire line and zero line polarity automatic detection circuit is connected in parallel between a zero line and a grounding line; the grounding line automatic detection circuit is connected in parallel with an output end of the lightning protection protective circuit, and is respectively connected with a fire line, the zero line and the grounding line; the lightning protection fault alarming circuit is connected in parallel with an input end of the lightning protection protective circuit. The present invention meets the requirements for special power supply lightning protection security in the electronic apparatus equipment product field, particularly in the fields of industries such as computers, communication, network, etc. The portable power supply lightning protection device provided by the present invention has the characteristics of complete function, small volume, portability, simple installation, simple connection, easy generalized application, etc.
Description
Technical field
The present invention relates to be used to the device that prevents that electronics, electrical equipment and communication apparatus are struck by lightning, particularly relate to the Portable-power Lightning Protection Device of size as a kind of as the common notebook computer charger.
Background technology
Thunder and lightning is a kind of typical weather phenomenon, it be aloft discharge by charged cloud due to.According to the interrelated data statistics, in earth atmosphere, there are every day 8,000,000 lightnings to take place approximately.In China various places, arranged mostly thunderstorm day more than 40 days every year, every square kilometre has the thunder that lands more than 6 times.Harm is maximum lands thunder, and voltage can be up to tens million of volts, and peak current can reach the training of 1-10 Wan An, and the lightning temperature is up to more than ten thousand degree, and the enormous impact ripple in huge lightning dead ahead is equivalent to bear on every sq 70 kilograms immense pressure.Therefore, thunder and lightning all brings grave danger to the mankind all the time.In fact, the annual damage to crops caused by thunder loss in the whole world is up to multi-million dollar, and China's annual thunderbolt number of casualties is also more than ten thousand people.In thunderbolt and thunderbolt incident, considerable part is not see thunderstorm and lightning.Because thunderbolt has two classes, i.e. direct stroke and indirect lightning strike at least.The former sound and light are concurrent, and the latter is taken place silently and is difficult for discovering, but consequence is even more serious, and is maximum to microelectronic device harm especially.In recent years, microelectric technique is popularized rapidly, and its reactance voltage and electric current all reduce significantly.In the modern life of strong and weak using electricity system coexistence, not only indirect lightning strike surge, the mode and the reason of damage to crops caused by thunder formation simultaneously are more various and complicated.Indirect lightning strike tends to cause badly damaged to electronics, communication and other electric equipment, and traditional lightning rod can not solve the indirect lightning strike problem fully, therefore in departments such as electric power, communication, broadcasting, TV, microelectric technique and oil, industrial and minerals, progressively begin to change lightning protection of new generation, the thunder system that takes shelter from the thunder, disappears, to reduce or remit damage to crops caused by thunder loss as possible.
In the common both at home and abroad at present lightning protection for power supply product, one class is mounted on the fixing position, be connected to electronics by electric power connection line or jockey, on communication or the electric equipment, can not be too short because electric power connection line must have certain length, thunder and lightning still can produce certain indirect lightning strike by electric power connection line when taking place, thereby the power lightning protection of end-equipment is not had effective protective effect; Another kind of is multiple-way supply or many shared power lightning protection apparatuses of electronic and electrical equipment; because the specification requirement of every electronic and electrical equipment is different with the length of electric power connection line, cause every electronic and electrical equipment to can not get identical effective power lightning protection protection.In addition, the said equipment install with the specification requirement that is connected than higher, generally all be to install and be connected by the professional and technical personnel, use that just can safety is conveniently used and is promoted the most people that do not have professional lightning protection knowledge are difficult.
Summary of the invention
The present invention is technical characterstic and the lightning protection safeguard protection needs for increasingly extensive application of high-tech product such as the computer that adapts to world today's scope, communication, networks; solve the electronic and electrical equipment product scope especially industries such as computer, communication, network to the specific safety requirement of power lightning protection; and provide a kind of complete function; volume is small and exquisite, and easy to use and carry, installation connects Portable-power Lightning Protection Device simple, that be easy to apply.
For achieving the above object; the invention provides a kind of Portable-power Lightning Protection Device; this lightning protection device has a little portable housing; be provided with lightning protection circuit and the detection that is attached thereto, warning circuit in the housing, the housing two ends are connected with attaching plug and the electric equipment plug of matching according to the country variant standard by power line respectively.
Detection, warning circuit comprise fire, the automatic testing circuit of zero line polarity, the automatic testing circuit of earth connection and lightning protection fault alarm circuit, and its moderate heat, the automatic testing circuit of zero line polarity are connected between zero line and the ground wire; The automatic testing circuit of earth connection is connected to the output of lightning protection circuit, and respectively with live wire, zero line is connected with ground wire; Lightning protection fault alarm circuit is connected to the input of lightning protection circuit.
Fire, the automatic testing circuit of zero line polarity are by resistance R 2, diode D3, the LED 2 of mutual serial connection and be attempted by that diode D4 constitutes on the LED 2, and this circuit respectively by diode D3 with and the LED 2, the diode D4 that connect be connected with ground wire with zero line.
The automatic testing circuit of earth connection comprises resistance R 3, capacitor C 1, C2, C3, photoelectronic coupler U1, diode D5, D6, D7, D8, triode Q1 and LED 3, wherein the input of photoelectronic coupler U1 and output are respectively and be connected to diode D5, D6, and be connected with in parallel LED 3 and diode D8 by triode Q1, and this circuit passes through resistance R 3, capacitor C 1, diode D7 respectively and is connected with live wire, ground wire and zero line.
Lightning protection fault alarm circuit comprises slow-melting fuse F1, F2, resistance R 1, diode D1, D2 and LED 1, wherein two slow-melting fuse F1, F2 are serially connected in the pressure-sensitive lightning protection component RV1 and the RV2 two ends of lightning protection circuit, and are connected with zero line with live wire respectively; Resistance R 1, diode D1, D2 and LED 1 are attempted by pressure-sensitive lightning protection component RV1 and RV2 two ends.
Lightning protection circuit is common mode and differential mode lightning protection circuit.
Contribution of the present invention is that it efficiently solves the miniaturization of lightning protection device product, multi-functional problem.Compare with existing lightning protection device product, the present invention has following distinguishing feature:
One, is easy to carry.Portable-power Lightning Protection Device volume of the present invention is little, in light weight, its profile is similar to common notebook computer charger, thereby can carry, and can be easily under various place to use and environment, be connected use, having changed lightning protection for power supply in the past must be connected to traditional method of attachment on the electronic and electrical equipment by electric power connection line again by being installed in fixing position;
Two, easy to connect.This device can be according to the power interface of the different types standard of electronic and electrical equipment, can select for use the standard plug/Outlet line of corresponding pattern to connect easily according to the standard of country variant, various dissimilar electronic and electrical equipments being carried out rational man-to-man power lightning protection protection, and lightning protection device interconnection technique and easy, the easy row of method of attachment, uniqueness, novelty;
Three, cost saving.Because being certain the road power supply circuits or certain electronic and electrical equipment that targetedly needs are carried out lightning protection, this Portable-power Lightning Protection Device take man-to-man direct connection to carry out the power lightning protection protection, thereby can reduce purchasing and mounting cost of lightning protection device greatly, change multiple-way supply circuit in the past or many shared lightning protection device for electric power of electronic and electrical equipment and the situation of purchasing of bringing and mounting cost costliness, solved the effect problem of lightning protection again technically;
Four, performance improves.Because of this Portable-power Lightning Protection Device plays direct man-to-man power lightning protection protective effect to each electronic and electrical equipment that connects, and be provided with the multifunctional examining slowdown monitoring circuit, thereby its lightning protection effect is more effective and remarkable, lightning protection properties is further enhanced and improves;
Five, safe and reliable.This Portable-power Lightning Protection Device has earth connection and fiery, the automatic testing circuit of zero line polarity; whether the supply line that can detect the user truly, easily has good earth connection and fire, zero line wiring correctness, makes better safety utilization of electric power and carry out the power lightning protection protection of user.
Six, of many uses.This Portable-power Lightning Protection Device need only carry out suitable adjustment to lightning protection component wherein; the lightning protection for power supply of multiple lightning protection properties specification be can manufacture out, electronic and electrical equipment product and power lightning protection field that all need carry out the power lightning protection protection more can be widely used in.
Description of drawings
Fig. 1 is a profile schematic perspective view of the present invention.
Fig. 2 is an exploded sketch of the present invention.
Fig. 3 is a circuit structure block diagram of the present invention.
Fig. 4 is circuit theory diagrams of the present invention.
Embodiment
Portable-power Lightning Protection Device of the present invention is movably a kind of, and the lightning protection for power supply of the microminiaturization that can arbitrarily an electronic apparatus be connected with power supply, Fig. 1 show its wherein a kind of profile, and its detailed structure is then illustrated by Fig. 2.As Fig. 2, this lightning protection device has a portable housing 10 as common notebook computer charger size, this housing is rectangle, can certainly be multiple shapes such as circle, ellipse, it is formed by connecting by loam cake 11 and lower cover 12 usefulness screws, have three apertures 111 that are used to install warning and indication usefulness luminous tube last covering, the upper and lower covers two ends are provided with the groove 112 that the power supply source line passes.The housing two ends are connected with attaching plug 40 and the electric equipment plug of matching according to the country variant standard 50 by power line 41,51 respectively.Be provided with lightning protection circuit 20 and detection, warning circuit 30 in housing, lightning protection of the present invention and detection, alarm function are realized by this circuit.
The structure of described lightning protection circuit 20 and detection, warning circuit 30 as shown in Figure 3, Figure 4; wherein lightning protection circuit 20 employings have been mature technologies; and common mode that generally adopts for people and differential mode lightning protection circuit, it is made of differential mode protective circuit and common mode protective circuit.When lightning impulse took place, RV1, RV2 moment conducting formed a differential mode absorption circuit between live wire and zero line, with the induction lightening absorption of moment.Live wire is in parallel with RV5, RV6 by pressure-sensitive lightning protection component RV3, RV4 in parallel respectively with zero line, more jointly by forming the common mode lightning protection circuit after the gas discharge tube G1 ground connection.When generation moment lightning impulse, induction lightening passes through RV3, RV4 (parallel connection) and G1 instant earthing from live wire L end; Induction lightening passes through RV5, RV6 (parallel connection) and G1 instant earthing from zero line N end; the induction lightening that will produce moment is released into ground by earth connection PE jointly simultaneously; to play lightning protection effect to the electronic and electrical equipment that is connected; the lightning protection discharge capacity of common mode and differential mode lightning protection circuit can reach the performance index of different lightning protection discharge capacity by the lightning protection component of apolegamy different parameters, to realize different lightning protection requirements.
As shown in Figure 3, detect, warning circuit 30 comprises fire, the automatic testing circuit 31 of zero line polarity, automatic testing circuit 32 of earth connection and lightning protection fault alarm circuit 33, their circuit structure is illustrated by Fig. 4, its moderate heat, the automatic testing circuit 31 of zero line polarity is by resistance R 2, diode D3, LED 2, diode D4 constitutes, be used to detect supply line's fire of user, whether the zero line wiring is correct, as Fig. 4, LED 2 is with diode D4 and connect back and resistance R 2, diode D3 serial connection, this circuit respectively by diode D3 and and the LED 2 that connects, diode D4 is connected with ground wire with zero line.When the fire of power supply circuits, zero line polarity wiring correct (having under the prerequisite of earth connection), zero line N end is equivalent to unsettled to ground wire PE end, and LED 2 two ends do not have operating voltage, and this moment, LED 2 did not work; When the power supply circuits fire, when zero line polarity wiring error connects instead (having under the prerequisite of earth connection), zero line N end becomes live wire L, and this moment, the positive pole (+) of D3 was equivalent to supply power voltage over the ground, and LED 2 conducting lamps are bright; When power supply circuits do not have earth connection, fire, the automatic testing circuit cisco unity malfunction of zero line polarity.
As shown in Figure 4, whether the supply line that the automatic testing circuit 32 of described earth connection is used to detect the user is connected to ground wire, and whether earth connection is correct, it comprises resistance R 3, capacitor C 1, C2, C3, photoelectronic coupler U1, diode D5, D6, D7, D8, triode Q1 and LED 3, wherein the input of photoelectronic coupler U1 and output are respectively and be connected to diode D5, D6, and be connected with in parallel LED 3 and diode D8 by triode Q1, and this circuit passes through resistance R 3 respectively, capacitor C 1, diode D7 and live wire, ground wire and zero line connect.When power supply circuits had good earth connection, by the effect of photoelectric coupling circuit U1, triode Q1 was in conducting state, and this moment, LED 3 did not work; When power supply circuits did not have earth connection, by the effect of photoelectric coupling circuit U1, triode Q1 was in cut-off state, and this moment, LED 3 conducting lamps were bright.
Again as shown in Figure 4, whether normally described lightning protection fault alarm circuit 33 is used to detect lightning protection circuit effectively work, it comprises slow-melting fuse F1, F2, resistance R 1, diode D1, D2 and LED 1, wherein two slow-melting fuse F1, F2 are serially connected in the pressure-sensitive lightning protection component RV1 and the RV2 two ends of lightning protection circuit, and are connected with zero line with live wire respectively; Resistance R 1, diode D1, D2 and LED 1 are attempted by the pressure-sensitive lightning protection component RV1 and the RV2 two ends of the input of lightning protection circuit 20.When pressure-sensitive lightning protection component operate as normal, the resistance infinity of pressure-sensitive lightning protection component RV1 and RV2 is equivalent to open circuit, and at this moment, 1 conducting of lightning protection fault alarm LED is shinny; When pressure-sensitive lightning protection component RV1 and RV2 inefficacy (short circuit), slow-melting fuse F1 or F2 meeting automatic disconnection, the unsettled LED1 lamp of lightning protection fault alarm light-emitting diode both end voltage this moment goes out; By the bright of lightning protection fault alarm LED 1 or go out, to realize the whether normal effectively work of monitoring lightning protection circuit.
Above-mentioned each circuit is arranged on the circuit board shown in Figure 2 60, and circuit board then is screwed in lower cover 12 bottoms.Power line 41,51 is connected with circuit board respectively, and is drawn by housing 10 two ends.
By Fig. 2 and structrual description as seen, connection being installed simple and easy to do also is the another distinguishing feature of Portable-power Lightning Protection Device product of the present invention, the power input of this lightning protection device can dispose the power cord plug of country variant standard as required, in the power supply socket with convenient and safe insertion respective standard; Its power output end can dispose the power cord plug of country variant standard as required, in the power input interface with the respective standard of convenient and safe insertion electronic and electrical equipment; Be connected to electronic and electrical equipment by this Portable-power Lightning Protection Device, can play effective, good power lightning protection effect and power lightning protection effect the electronic and electrical equipment that connects.
Obviously, the present invention is not limited to above-mentioned embodiment, and extension on this basis or distortion all should be in protection scope of the present invention.
Claims (5)
1, a kind of Portable-power Lightning Protection Device, it is characterized in that, this lightning protection device has a little portable housing (10), be provided with lightning protection circuit (20) and the detection that is attached thereto, warning circuit (30) in the housing, this detection, warning circuit (30) comprise fire, the automatic testing circuit of zero line polarity (31), the automatic testing circuit of earth connection (32) and lightning protection fault alarm circuit (33), and its moderate heat, the automatic testing circuit of zero line polarity (31) are connected between zero line and the ground wire; The automatic testing circuit of earth connection (32) is connected to the output of lightning protection circuit (20), and respectively with live wire, zero line is connected with ground wire; Lightning protection fault alarm circuit (33) is connected to the input of lightning protection circuit (20), and the housing two ends are connected with attaching plug (40) and the electric equipment plug of matching according to the country variant standard (50) by power line respectively.
2, Portable-power Lightning Protection Device according to claim 1, it is characterized in that, described fire, the automatic testing circuit of zero line polarity (31) are by resistance R 2, diode D3, the LED 2 of mutual serial connection and be attempted by that diode D4 constitutes on the LED 2, and this circuit respectively by diode D3 with and the LED 2, the diode D4 that connect be connected with ground wire with zero line.
3, Portable-power Lightning Protection Device according to claim 1, it is characterized in that, the automatic testing circuit of described earth connection (32) comprises resistance R 3, capacitor C 1, C2, C3, photoelectronic coupler U1, diode D4, D6, D7, D8, triode Q1 and LED 3, wherein the input of photoelectronic coupler U1 and output are respectively and be connected to diode D4, D6, and be connected with in parallel LED 3 and diode D8 by triode Q1, and this circuit passes through resistance R 3, capacitor C 1, diode D7 respectively and is connected with live wire, ground wire and zero line.
4, Portable-power Lightning Protection Device according to claim 1, it is characterized in that, described lightning protection fault alarm circuit (33) comprises slow-melting fuse F1, F2, resistance R 1, diode D1, D2 and LED 1, wherein two slow-melting fuse F1, F2 are serially connected in the pressure-sensitive lightning protection component RV1 and the RV2 two ends of lightning protection circuit, and are connected with zero line with live wire respectively; Resistance R 1, diode D1, D2 and LED 1 are attempted by pressure-sensitive lightning protection component RV1 and RV2 two ends.
5, Portable-power Lightning Protection Device according to claim 1 is characterized in that, described lightning protection circuit (20) is common mode and differential mode lightning protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031139086A CN1294683C (en) | 2003-03-10 | 2003-03-10 | Portable power source lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031139086A CN1294683C (en) | 2003-03-10 | 2003-03-10 | Portable power source lightning arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1437292A CN1437292A (en) | 2003-08-20 |
| CN1294683C true CN1294683C (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031139086A Expired - Lifetime CN1294683C (en) | 2003-03-10 | 2003-03-10 | Portable power source lightning arrester |
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| Country | Link |
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| CN (1) | CN1294683C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662125A (en) * | 2012-05-10 | 2012-09-12 | 杭州浙大桑尼能源科技有限公司 | Method and circuit for detecting power line and zero line |
| CN102904207A (en) * | 2012-09-28 | 2013-01-30 | 西安开元电子实业有限公司 | Overvoltage protector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354540A (en) * | 2001-12-05 | 2002-06-19 | 深圳市威尔利实业有限公司 | Lightning protection for power supply |
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2003
- 2003-03-10 CN CNB031139086A patent/CN1294683C/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354540A (en) * | 2001-12-05 | 2002-06-19 | 深圳市威尔利实业有限公司 | Lightning protection for power supply |
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| Publication number | Publication date |
|---|---|
| CN1437292A (en) | 2003-08-20 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN CLEVER ELECTRONIC Co.,Ltd. Assignor: Zhang Jie Contract fulfillment period: 2008.12.26 to 2013.12.26 Contract record no.: 2009440000169 Denomination of invention: Portable power source lightning arrester Granted publication date: 20070110 License type: Exclusive license Record date: 20090313 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.26 TO 2013.12.26; CHANGE OF CONTRACT Name of requester: SHENZHEN CLEVER ELECTRONIC CO., LTD. Effective date: 20090313 |
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| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CLEVER ELECTRONIC CO., LTD. Free format text: FORMER OWNER: ZHANG JIE Effective date: 20150814 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150814 Address after: 518055 Guangdong city in Shenzhen Province, deep South Road and Xiangmi Lake road at the junction of the Southwest City Sunshine bldg. 3 25D Patentee after: SHENZHEN CLEVER ELECTRONIC Co.,Ltd. Address before: 3, building 518040, Zhonglian building, Che Kung Temple Industrial Zone, Shenzhen, Guangdong, Futian District Patentee before: Zhang Jie |
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| CX01 | Expiry of patent term |
Granted publication date: 20070110 |
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| CX01 | Expiry of patent term |