CN204947585U - The lightning-proof power socket of intelligent transportation system - Google Patents

The lightning-proof power socket of intelligent transportation system Download PDF

Info

Publication number
CN204947585U
CN204947585U CN201520693649.6U CN201520693649U CN204947585U CN 204947585 U CN204947585 U CN 204947585U CN 201520693649 U CN201520693649 U CN 201520693649U CN 204947585 U CN204947585 U CN 204947585U
Authority
CN
China
Prior art keywords
discharge paths
piezo
resistance
lightning
output port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520693649.6U
Other languages
Chinese (zh)
Inventor
王江涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen city scene add flowers Intelligent Photoelectric Technology Co., Ltd.
Original Assignee
Chengdu Chuanrui Science & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Chuanrui Science & Technology Co Ltd filed Critical Chengdu Chuanrui Science & Technology Co Ltd
Priority to CN201520693649.6U priority Critical patent/CN204947585U/en
Application granted granted Critical
Publication of CN204947585U publication Critical patent/CN204947585U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

A kind of lightning-proof power socket of intelligent transportation system, comprise input port, output port and ground wire, the first discharge paths is connected with between described input port and ground wire, the second discharge paths is connected with between described output port and ground wire, time delay coordination circuits is also connected with between described input port and output port, described time delay coordination circuits is made up of inductance and Capacitance parallel connection, and the leakage current ability of described first discharge paths is greater than the second discharge paths.Arrester for domestic electrical equipment described in the utility model is adopted to hit supply socket, can effectively prevent and reduce surge pulse overvoltage that the phenomenon such as startup and stopping due to the system switching on effect of external world's thunderbolt, electromagnetic interference etc. or internal system, perception and capacitive load causes and the harm that overcurrent is brought system equipment, meet books circulation amount, response time fast while achieve low residual voltage and filter with low insertion loss.

Description

The lightning-proof power socket of intelligent transportation system
Technical field
The utility model belongs to intelligent transportation field, relates to thunder resisting equipment, particularly the lightning-proof power socket of intelligent transportation system.
Background technology
Thunder and lightning average current be 3 Wan An training, maximum current can reach 30 Wan An training.The voltage of thunder and lightning is very high, is about 1 hundred million to 10 hundred million volt.: to communication system, thunder and lightning and other strong jamming cause that to undermine the consequence caused thus be serious, lightning protection will become the required measure ensureing lives and properties.
Lightening pulse by high energy low frequency component with have infiltrative high-frequency components and form, it acts on equipment mainly through two kinds of forms: one directly conducts thunder and lightning by metal pipe line or ground wire to cause damage equipment; Be with various coupled modes, the Lightning Electromagnetic Pulse of lightning channel and current by pass senses that metal pipe line or ground wire produce surge and cause a damage equipment, most thunder damages and is caused by this induction.For electronic message unit, harm mainly comes from the coupling energy of the Lightning Electromagnetic Pulse caused by thunder and lightning, the electrical surge produced by following three passages.1, metal pipe line passage, as the surge that running water pipe, power line, antenna feeder, holding wire, flying obstacle lamp lead etc. produce; 2, ground wire passage, earth potential is strikeed back; 3, spatial channel, the emittance of electromagnetic field.
Thunder and lightning general principle of releasing is released by the earth by the energy of thunder and lightning and Lightning Electromagnetic Pulse, and should meet level principle, namely many as far as possible, as far as possible excess energy was released before introducing communication system into.
Intelligent transportation equipment in existing intelligent system is owing to have employed a large amount of electronic chip, low to high pressure thunderbolt resistivity, must adopt lightning protection measures.
Utility model content
The abnormal pressure caused from indirect lightning strike, antenna feeder exception and static discharge etc. in actual applications for protection intelligent transportation system destroys, and the utility model discloses the lightning-proof power socket of intelligent transportation system.
The lightning-proof power socket of intelligent transportation system described in the utility model, comprise input port, output port and ground wire, the first discharge paths is connected with between described input port and ground wire, be connected with the second discharge paths between described output port and ground wire, and the leakage current ability of described first discharge paths is greater than the second discharge paths; Time delay coordination circuits is also connected with between described input port and output port;
Described first discharge paths is in series by gas discharge switch and the first piezo-resistance, and described second discharge paths is made up of NPN pipe, NMOS and the second piezo-resistance; Wherein two piezo-resistances connect ground wire, and the electric current handling capacity of the first piezo-resistance is better than the second piezo-resistance, in described first discharge paths, gas discharge switch is connected NPN pipe base stage with the common node of the first piezo-resistance, the collector and emitter of NPN pipe connects output port and NMOS grid respectively, and described NMOS tube source electrode is connected the second piezo-resistance and output port respectively with drain electrode;
Described time delay coordination circuits is composed in parallel by inductance and delay capacitor.
Preferably, described first piezo-resistance is that two 820KD14J resistor coupled in parallel form, and described second piezo-resistance is single 820KD14J resistance.
Preferably, the resonance frequency of described time delay coordination circuits is 10-100 million.
Preferably, between described first discharge paths, the second discharge paths, time delay coordination circuits and inner lead be copper conductor, and live width is not less than 100 microns.
Adopt the lightning-proof power socket of intelligent transportation system described in the utility model, can effectively prevent and reduce surge pulse overvoltage that the phenomenon such as startup and stopping due to the system switching on effect of external world's thunderbolt, electromagnetic interference etc. or internal system, perception and capacitive load causes and the harm that overcurrent is brought system equipment, meet books circulation amount, response time fast while achieve low residual voltage and filter with low insertion loss.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment schematic diagram of the lightning-proof power socket of intelligent transportation system described in the utility model;
In figure, Reference numeral name is called: IN-input port OUT-output port L-inductance C1-delay capacitor T-NPN pipe G-gas discharge switch M-NMOSMR1-first piezo-resistance MR2-second piezo-resistance.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Embodiment 1
The lightning-proof power socket of intelligent transportation system described in the utility model, comprise input port, output port and ground wire, the first discharge paths is connected with between described input port and ground wire, be connected with the second discharge paths between described output port and ground wire, and the leakage current ability of described first discharge paths is greater than the second discharge paths; Also be connected with time delay coordination circuits between described input port and output port, described time delay coordination circuits is made up of inductance and Capacitance parallel connection.
Described first discharge paths is in series by gas discharge switch and the first piezo-resistance, and described second discharge paths is made up of NPN pipe, NMOS and the second piezo-resistance; Wherein two piezo-resistances connect ground wire, and the electric current handling capacity of the first piezo-resistance is better than the second piezo-resistance, in described first discharge paths, gas discharge switch is connected the base stage of NPN pipe T with the common node of the first piezo-resistance, the collector and emitter of NPN pipe connects output port and NMOS grid respectively, and described NMOS tube source electrode is connected the second piezo-resistance and output port respectively with drain electrode;
Described time delay coordination circuits is composed in parallel by inductance L and delay capacitor C1.
The object of lightning protection circuit is the device stoping high-voltage great-current to directly act on internal system poor voltage withstand capability, and needing was released it by current drain path for this reason before abnormal pressure electric current arrives internal system port imports the earth.The utility model is after thunder and lightning enters input port IN from antenna feeder antenna, first high pressure triggers the first discharge paths conducting, big current is conducting to ground wire from the first discharge paths, time delay coordination circuits is by inductance L, delay capacitor C1 composes in parallel a resonant circuit, the resonance frequency of this resonant circuit is relevant with C1 capacitance product value to inductance, signal near resonance frequency is by after this resonant circuit, energy is attenuated to relatively large extent, by selecting suitable inductance and electric capacity, when making lightning strike signals arrive input port, stopped by resonant circuit time delay, in delay time section, the first discharge paths be triggered significantly is released, after resonant circuit, voltage and current before arrival output port OUT is significantly weakened all.
First discharge paths is while conducting is released, on first piezo-resistance MR1, voltage produces momentary spike, the switching device of the second discharge paths is triggered conducting, but the second discharge paths and the first discharge paths are due to gas discharge switch, the existence of NMOS tube and NPN pipe, certain conducting time delay must be had, after first discharge paths conducting in certain hour, to be released dump energy by triggering second branch road of releasing again, thus protect the internal system device be connected with input port not destroy by high pressure, second piezo-resistance MR2 plays moment suppression effect to the second discharge paths, NPN pipe and the actual form connecting into IGBT of NMOS tube, the quick unlatching of NPN pipe is utilized to carry out gate charges to NMOS tube, accelerate the unlatching of NMOS tube, make use of the low switching losses of NMOS tube simultaneously, make the second discharge paths when opening without the need to very strong direct current, be applicable to react rapidly instantaneous lightning current signal.
In the present embodiment, input port can be chosen as N-50K type impedance transformer, and described output port is N-50J type impedance transformer.When realizing impedance matching by impedance transformation, thus obtain maximum power delivery.
Embodiment 2
This gives a kind of embodiment of time delay coordination circuits.Time delay coordination circuits designing points is: do not hinder normal Signal transmissions during normal work, thunderbolt effectively can stop that time delay lightning strike signals arrived output port OUT before most of energy of being released by the first discharge paths, by possessing the current capacity of ampere level temporarily.The resonance frequency of time delay coordination circuits preferably should control in 10-100 million scope, avoids hindering radio band Signal transmissions, obtains certain time delay interval simultaneously and to release energy for the first discharge paths, and have certain skew allowance.
Select inductance L 1 in described time delay coordination circuits to be HVB822K102C2T for core inductance 2A-10 μ H-J φ 3.86 × 6.5-C-1, described delay capacitor C1 in the present embodiment, can above-mentioned requirements be met.
The utility model when being applied to antennal interface, the triggering cut-in voltage of the first discharge paths and the second discharge paths should receiving and transmitting signal normal lower than antenna feeder antenna time operating voltage, otherwise system cisco unity malfunction will be caused.Come in thunderbolt interim simultaneously, can open completely rapidly, and possess heavy current releasability.
In the present embodiment, described gas discharge switch G is gas discharge tube R158HT, and described first piezo-resistance is that two 820KD14J are formed in parallel, and described second piezo-resistance MOV3 is single 820KD14J.
In each embodiment above-mentioned, between described first discharge paths, the second discharge paths, time delay coordination circuits and inner lead be copper conductor, and live width is not less than 100 microns, to ensure the unobstructed to ground path electric discharge of thunder-strike current.
Previously described is each preferred embodiment of the present utility model, preferred implementation in each preferred embodiment is if not obviously contradictory or premised on a certain preferred implementation, each preferred implementation can stack combinations use arbitrarily, design parameter in described embodiment and embodiment is only the utility model proof procedure in order to clear statement utility model people, and be not used to limit scope of patent protection of the present utility model, scope of patent protection of the present utility model is still as the criterion with its claims, the equivalent structure change that every utilization specification of the present utility model and accompanying drawing content are done, in like manner all should be included in protection range of the present utility model.

Claims (4)

1. the lightning-proof power socket of intelligent transportation system, comprise input port, output port and ground wire, it is characterized in that, the first discharge paths is connected with between described input port and ground wire, be connected with the second discharge paths between described output port and ground wire, and the leakage current ability of described first discharge paths is greater than the second discharge paths; Time delay coordination circuits is also connected with between described input port and output port;
Described first discharge paths is in series by gas discharge switch and the first piezo-resistance, and described second discharge paths is made up of NPN pipe, NMOS and the second piezo-resistance; Wherein two piezo-resistances connect ground wire, and the electric current handling capacity of the first piezo-resistance is better than the second piezo-resistance, in described first discharge paths, gas discharge switch is connected NPN pipe base stage with the common node of the first piezo-resistance, the collector and emitter of NPN pipe connects output port and NMOS grid respectively, and described NMOS tube source electrode is connected the second piezo-resistance and output port respectively with drain electrode;
Described time delay coordination circuits is composed in parallel by inductance and delay capacitor.
2. the lightning-proof power socket of intelligent transportation system as claimed in claim 1, it is characterized in that, described first piezo-resistance is that two 820KD14J resistor coupled in parallel form, and described second piezo-resistance is single 820KD14J resistance.
3. the lightning-proof power socket of intelligent transportation system as claimed in claim 1, it is characterized in that, the resonance frequency of described time delay coordination circuits is 10-100 million.
4. the lightning-proof power socket of intelligent transportation system as claimed in claim 1, is characterized in that, between described first discharge paths, the second discharge paths, time delay coordination circuits and inner lead be copper conductor, and live width is not less than 100 microns.
CN201520693649.6U 2015-09-09 2015-09-09 The lightning-proof power socket of intelligent transportation system Expired - Fee Related CN204947585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520693649.6U CN204947585U (en) 2015-09-09 2015-09-09 The lightning-proof power socket of intelligent transportation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520693649.6U CN204947585U (en) 2015-09-09 2015-09-09 The lightning-proof power socket of intelligent transportation system

Publications (1)

Publication Number Publication Date
CN204947585U true CN204947585U (en) 2016-01-06

Family

ID=55014974

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520693649.6U Expired - Fee Related CN204947585U (en) 2015-09-09 2015-09-09 The lightning-proof power socket of intelligent transportation system

Country Status (1)

Country Link
CN (1) CN204947585U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105140900A (en) * 2015-09-09 2015-12-09 成都川睿科技有限公司 Lightning protection power socket of intelligent traffic system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105140900A (en) * 2015-09-09 2015-12-09 成都川睿科技有限公司 Lightning protection power socket of intelligent traffic system

Similar Documents

Publication Publication Date Title
CN103236835B (en) A kind of signal isolated gate circuit
CN110429604A (en) A kind of multistage strong electromagnetic pulse protection power-supply filter
CN204272113U (en) Low-voltage powerline carrier communication transmitting terminal frequency of carrier signal switches coupling circuit
CN203574361U (en) Antenna feeder lightning protection device of RF radio frequency device for LED control
CN203301142U (en) Anti-lightning protection circuit of direct-current system
CN201663544U (en) Filter module with electromagnetic interference resistance and transient suppression functions
CN207339642U (en) A kind of POE interchangers DC power supply
CN205509469U (en) Intelligent electric leakage comprehensive protector
CN204947585U (en) The lightning-proof power socket of intelligent transportation system
CN103296661A (en) Lightning protection circuit of direct-current system
CN204947586U (en) The smart machine lightning protection interface of intelligent transportation system
CN204190381U (en) A kind of antisurge interference prevention device based on power meter reading system
CN201466714U (en) Lightning arrester for communication apparatus
CN105140900A (en) Lightning protection power socket of intelligent traffic system
CN104377673A (en) Surge protective device and method
CN206759047U (en) A kind of RF joints lightning prevention circuit
CN204696376U (en) A kind of changing voltage type leakage protecting plug
CN105162101A (en) Intelligent equipment lightning protection interface for intelligent transportation system
CN203278216U (en) Three-in-one lightning arrester used in video monitoring system
CN205646796U (en) Mining monitoring substation surge protection circuit
CN201663438U (en) Two-port household appliance signal surge protective device irrespective of input and output
CN204333949U (en) A kind of protection against lightning surge circuit for navigation mark equipment
CN201438602U (en) Broadband radio frequency lighting arrester
CN203193267U (en) Video lightning protection device and video monitoring system
CN208508516U (en) A kind of AC power source surge protective device and electronic equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Huang Hua

Inventor before: Wang Jiangtao

COR Change of bibliographic data
TR01 Transfer of patent right

Effective date of registration: 20170113

Address after: Kuang Cun Yao town of Huadu District of Guangdong city in Guangzhou Province Road 510806 No. 3 Building 1 Room 202

Patentee after: Guangzhou Ruiwoshen Electronic Technology Co. Ltd.

Address before: 611400 Chengdu Province, Xinjin City, Tianjin town, five Jin West Street, too up

Patentee before: CHENGDU CHUANRUI SCIENCE & TECHNOLOGY CO., LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171031

Address after: Baoan District Xixiang street Shenzhen city Guangdong province 510000 business building area 79 A block 6019.

Patentee after: Shenzhen city scene add flowers Intelligent Photoelectric Technology Co., Ltd.

Address before: Kuang Cun Yao town of Huadu District of Guangdong city in Guangzhou Province Road 510806 No. 3 Building 1 Room 202

Patentee before: Guangzhou Ruiwoshen Electronic Technology Co. Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160106

Termination date: 20170909