CN104113054A - Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning - Google Patents
Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning Download PDFInfo
- Publication number
- CN104113054A CN104113054A CN201410384938.8A CN201410384938A CN104113054A CN 104113054 A CN104113054 A CN 104113054A CN 201410384938 A CN201410384938 A CN 201410384938A CN 104113054 A CN104113054 A CN 104113054A
- Authority
- CN
- China
- Prior art keywords
- thunder
- lightning
- electric energy
- energy meter
- protection
- 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.)
- Granted
Links
Abstract
The invention discloses combined type anti-thunder equipment capable of preventing a concentrated copy electric energy meter from being damaged by thunder and lightning. The combined type anti-thunder equipment is connected between the concentrated copy electric energy meter and a power distribution line and comprises a primary anti-thunder device, a secondary anti-thunder device, an anti-thunder signal interface and an anti-thunder power supply interface, wherein an incoming line of the power distribution line is connected with the primary anti-thunder device which is connected with the secondary anti-thunder device, and the anti-thunder signal interface is connected with the secondary anti-thunder device and the concentrated copy electric energy meter respectively. The combined type anti-thunder equipment is adopted to realize the strong-thunder over-voltage protection of the incoming line of the power distribution line, the over-voltage protection of a functional module in the combined type anti-thunder equipment, the anti-thunder isolating connection between the anti-thunder signal interface and the concentrated copy electric energy meter and the anti-thunder isolating connection between a power supply and the concentrated copy electric energy meter. The combined type anti-thunder equipment can enable the concentrated copy electric energy meter system to achieve the protection during weak thunder and lightning and strong thunder and lightning and has multiple thunder and lightning protection functions, so as to ensure the stable running of the concentrated copy electric energy meter system and the line system.
Description
Technical field
The present invention relates to a kind of composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning that prevents from collecting.
Background technology
At present, collection for distribution line is copied ammeter, because device interior has a large amount of microelectronic components, it bears the level of thunderbolt well below the anti-lightning level of distribution line self, one singly suffers accumulative total, components and parts damage and are serious, and can cause line system tripping operation, have great thunderbolt risk.
The lightning protection that general collection is copied ammeter realizes by carry out SPD overvoltage Fang Hu at power supply, signals collecting port, has good protection effect for less thunder and lightning.But owing to there is no good relatively high power thunder energy treatment channel, once stronger lightning ingress, collection is copied ammeter and will be punctured by thunder and lightning, and causes line tripping.
Summary of the invention
The invention provides a kind of preventing and collect the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it has overcome the deficiencies in the prior art described in background technology.
The technical scheme adopting that the present invention solves its technical problem is:
Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, be connected between collection recording electric energy meter and distribution line, it comprises one-level lightning protection device, secondary lightning protection device, signal lighting protection interface and power lightning protection interface, distribution line inlet wire connects one-level lightning protection device, one-level lightning protection device connects secondary lightning protection device, the input of described signal lighting protection interface connects secondary lightning protection device, the output of signal lighting protection interface connects collection recording electric energy meter, described one-level lightning protection device is for the strong atmospheric over voltage protection of distribution line inlet wire, described secondary lightning protection device is for the overvoltage protection of the functional module in composite type thunder resisting equipment, the lightning protection isolation that described signal lighting protection interface is used between collection recording electric energy meter is connected, power lightning protection interface is connected and powers to collection recording electric energy meter for the lightning protection isolation between power supply and collection recording electric energy meter.
Among one embodiment: described one-level lightning protection device comprises fitting and high-power overvoltage protection; gold utensil and high-power overvoltage protection are electrically connected, and described high-power overvoltage protection is provided with overvoltage protection gap can act on this protection gap high-power Lightning Over-voltage.
Among one embodiment: described secondary lightning protection device comprises power supply/signal conversion module and lightning-protection module, described power supply/signal conversion module can be carried out modulation and demodulation by the line power on signal and power line, power supply/signal conversion module electrical connection lightning-protection module.
Among one embodiment: described power lightning protection interface comprises over-voltage protection module, overvoltage isolation module and power supply interface; over-voltage protection module electrical connection overvoltage isolation module; overvoltage isolation module electrical connection power supply interface; described over-voltage protection module connects power supply, and power supply interface connects collection recording electric energy meter.
Among one embodiment: described one-level lightning protection device also comprises fitting, fitting and high-power overvoltage protection are fixedly connected.
Among one embodiment: also comprise a casing, described lightning protection device is arranged on outside casing, within secondary lightning protection device, signal lighting protection interface and power lightning protection interface are arranged on casing.
The technical program is compared with background technology, and its tool has the following advantages:
Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, be connected between collection recording electric energy meter and distribution line, it comprises one-level lightning protection device, secondary lightning protection device, signal lighting protection interface and power lightning protection interface, one-level lightning protection device is for the strong atmospheric over voltage protection of distribution line inlet wire, secondary lightning protection device is for the overvoltage protection of the functional module in composite type thunder resisting equipment, the lightning protection isolation that signal lighting protection interface is used between collection recording electric energy meter is connected, power lightning protection interface is connected and powers to collection recording electric energy meter for the lightning protection isolation between power supply and collection recording electric energy meter, this composite type thunder resisting equipment is not the simple equipment based on a lightning protection circuit, but respectively strong thunder and lightning thunder and lightning power different from weak thunder and lightning point fraction is carried out to lightning protection circuit design by multiple lightning protection circuits or device, the lightning protection device that the difference in functionality module that collection is copied to electric meter system is designed with respectively corresponding power grade carries out specific aim protection to each functional module, this composite type thunder resisting equipment can make this collection copy electric meter system not only to protect weak thunder and lightning, can also protect strong thunder and lightning, there is multiple lightning protection function, ensure the stable operation that collection is copied electric meter system and line system.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 has illustrated the system principle diagram that preventing described in the present embodiment collects recording electric energy meter and be subject to the composite type thunder resisting equipment that thunder and lightning destroys.
Fig. 2 has illustrated one of one-level lightning protection device schematic diagram described in the present embodiment.
Fig. 3 has illustrated the secondary lightning protection device schematic diagram described in the present embodiment.
Fig. 4 has illustrated the power lightning protection interface schematic diagram described in the present embodiment.
Fig. 5 has illustrated two of one-level lightning protection device schematic diagram described in the present embodiment.
Fig. 6 has illustrated the lightning-protection module circuit diagram in secondary lightning protection device.
Fig. 7 has illustrated the overvoltage isolation module circuit diagram in power lightning protection interface.
Fig. 8 has illustrated signal lighting protection interface circuit schematic diagram.
Embodiment
Please refer to Fig. 1 to Fig. 4, prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, be connected between collection recording electric energy meter and distribution line, described collection recording electric energy meter is the intelligent electric energy meter for electric-power centralized meter reading system, this composite type lightning protection device comprises a casing, one-level lightning protection device 1, secondary lightning protection device 2, signal lighting protection interface 3 and power lightning protection interface 4, distribution line inlet wire connects one-level lightning protection device 1, one-level lightning protection device 1 connects secondary lightning protection device 2, the input of described signal lighting protection interface 3 connects secondary lightning protection device 2, the output of signal lighting protection interface 3 connects collection recording electric energy meter 5, described one-level lightning protection device 1 is for the strong atmospheric over voltage protection of distribution line inlet wire, described secondary lightning protection device 2 is for the overvoltage protection of the functional module in composite type thunder resisting equipment, described signal lighting protection interface 3 for and the lightning protection isolation of collection between recording electric energy meter be connected, power lightning protection interface 4 is connected and powers to collection recording electric energy meter 5 for the lightning protection isolation between power supply and collection recording electric energy meter.Described one-level lightning protection device 1 is arranged on outside casing, within secondary lightning protection device 2, signal lighting protection interface 3 and power lightning protection interface 4 are arranged on casing.
Described one-level lightning protection device comprises fitting 11 and high-power overvoltage protection 12.In the present embodiment; as shown in Figure 5; high-power overvoltage protection is the leakage conductor in 17kV hum bar gap, and the leakage conductor of band gap comprises lightning arrester body 122 and the lightning arrester upper end 121 with air gap, and fitting 11 is lightning arrester fitting.Fitting 11 and high-power overvoltage protection 12 are fixedly connected; the described lightning arrester upper end 121 with air gap; most high-power lightning overvoltages are acted on this protection gap; to form effective high-power overvoltage protection; prevent the damage of high-power thunder and lightning to equipment simultaneously, make protection more effectively, reliably.
Described secondary lightning protection device 2 comprises power supply/signal conversion module 21 and lightning-protection module 22, the supply voltage that described power supply/signal conversion module 21 can be copied collection on electric quantity signal and control signal and the power line of ammeter carries out modulation and demodulation, and power supply/signal conversion module 21 is electrically connected lightning-protection module 22.Power line after the lightning protection of one-level lightning protection device, through cable access secondary lightning protection device 2, through lightning-protection module 22 as shown in Figure 6, is realized the further processing of thunder and lightning.
Described power lightning protection interface 4 comprises over-voltage protection module 41, overvoltage isolation module 42 and power supply interface 43, and over-voltage protection module 41 is electrically connected overvoltage isolation module 42, and overvoltage isolation module 42 is electrically connected power supply interface 43.Described over-voltage protection module 41 connects power supply, and power supply interface 43 connects collection recording electric energy meter 5.In the present embodiment, this over-voltage protection module adopts SPD Surge Protector.Overvoltage isolation module 42 is one group of device that prevent Lightning Over-voltage impact that are made up of power inductance, circuit breaker, electric capacity, thermistor, piezo-resistance, as shown in Figure 7.
Signal lighting protection interface is one group of circuit that prevents lightning overvoltage entering signal interface as shown in Figure 8.
This composite type thunder resisting equipment is lead wire road power line from 10kV transmission line, outside casing, one-level lightning protection device 1 carries out the strong atmospheric over voltage protection of the first line of defence, provide one to release electric pathway by this one-level lightning protection device 1 for strong thunder and lightning, strong thunder and lightning is blocked in outside casing, power line is after this first order is lightning-arrest, enter the functional module in lightning protection casing, it is power supply/signal conversion module 21, by power supply/signal conversion module, the signal on power line is carried out to demodulation, lightning-protection module 22 in casing can carry out lightning overvoltage protection to this functional module simultaneously, signal after demodulation is sent into signal lighting protection interface 3 again, be connected this restituted signal is sent into collection recording electric energy meter 5 by the isolation lightning protection between this signal lighting protection interface 3 and collection recording electric energy meter 5.After multiple apparatus for preventing thunderbolt, lightning overvoltage substantially can not be invaded or damaged the electronic devices and components in centralized meter-reading system.Meanwhile, the power supply of this collection recording electric energy meter 5 accesses through power lightning protection interface 4, has effectively prevented that lightning impulse from entering centralized meter-reading system by power supply end and damaging electronic devices and components.
This composite type thunder resisting equipment is not the simple equipment based on a lightning protection circuit, but respectively strong thunder and lightning thunder and lightning power different from weak thunder and lightning point fraction is carried out respectively to lightning protection circuit design by multiple lightning protection circuits or device, the lightning protection device that the difference in functionality module that collection is copied to electric meter system is designed with respectively corresponding power grade carries out specific aim protection to each functional module, this composite type thunder resisting equipment can make this collection copy electric meter system not only weak thunder and lightning to be protected, can also protect strong thunder and lightning, there is multiple lightning protection function, ensure the stable operation that collection is copied electric meter system and line system.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (6)
1. prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, be connected between collection recording electric energy meter and distribution line, it is characterized in that: comprise one-level lightning protection device, secondary lightning protection device, signal lighting protection interface and power lightning protection interface, distribution line inlet wire connects one-level lightning protection device, one-level lightning protection device connects secondary lightning protection device, the input of described signal lighting protection interface connects secondary lightning protection device, the output of signal lighting protection interface connects collection recording electric energy meter, described one-level lightning protection device is for the strong atmospheric over voltage protection of distribution line inlet wire, described secondary lightning protection device is for the overvoltage protection of the functional module in composite type thunder resisting equipment, the lightning protection isolation that described signal lighting protection interface is used between collection recording electric energy meter is connected, power lightning protection interface is connected and powers to collection recording electric energy meter for the lightning protection isolation between power supply and collection recording electric energy meter.
2. according to claim 1ly prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning; it is characterized in that: described one-level lightning protection device comprises high-power overvoltage protection, described high-power overvoltage protection is provided with overvoltage protection air gap can act on this protection gap high-power Lightning Over-voltage.
3. according to claim 1ly prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterized in that: described secondary lightning protection device comprises power supply/signal conversion module and lightning-protection module, described power supply/signal conversion module can be carried out modulation and demodulation by the line power on signal and power line, power supply/signal conversion module electrical connection lightning-protection module.
4. according to claim 1ly prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning; it is characterized in that: described power lightning protection interface comprises over-voltage protection module, overvoltage isolation module and power supply interface; over-voltage protection module electrical connection overvoltage isolation module; overvoltage isolation module electrical connection power supply interface; described over-voltage protection module connects power supply, and power supply interface connects collection recording electric energy meter.
5. according to claim 2 preventing collects the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterized in that: described one-level lightning protection device also comprises fitting, and fitting and high-power overvoltage protection are fixedly connected.
6. according to claim 1ly prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterized in that: also comprise a casing, described lightning protection device is arranged on outside casing, within secondary lightning protection device, signal lighting protection interface and power lightning protection interface are arranged on casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384938.8A CN104113054B (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410384938.8A CN104113054B (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104113054A true CN104113054A (en) | 2014-10-22 |
| CN104113054B CN104113054B (en) | 2017-12-22 |
Family
ID=51709741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410384938.8A Active CN104113054B (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104113054B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529678B (en) * | 2016-02-25 | 2018-08-24 | 国网山东省电力公司郓城县供电公司 | The method for reducing low-voltage collecting meter reading system broken by lightning rate |
| CN112086951A (en) * | 2020-09-21 | 2020-12-15 | 劲逐软件技术(深圳)有限公司 | Lightning protection system and method special for electric energy meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124873A (en) * | 1989-10-30 | 1992-06-23 | Efi Corporation | Surge suppression circuit for high frequency communication networks |
| CN201854029U (en) * | 2010-11-23 | 2011-06-01 | 上海伊莱克斯实业有限公司 | Direct current power supply surge protection circuit |
| CN201854022U (en) * | 2010-11-23 | 2011-06-01 | 上海伊莱克斯实业有限公司 | Signal control surge protection circuit |
| CN202474851U (en) * | 2012-02-22 | 2012-10-03 | 深圳远征技术有限公司 | Lightning protection system for video servers |
| CN203377595U (en) * | 2013-06-21 | 2014-01-01 | 上海伊莱克斯实业有限公司 | Lightning protection circuit capable of protecting RS422 communication signal |
| CN204012691U (en) * | 2014-08-06 | 2014-12-10 | 国家电网公司 | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
-
2014
- 2014-08-06 CN CN201410384938.8A patent/CN104113054B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5124873A (en) * | 1989-10-30 | 1992-06-23 | Efi Corporation | Surge suppression circuit for high frequency communication networks |
| CN201854029U (en) * | 2010-11-23 | 2011-06-01 | 上海伊莱克斯实业有限公司 | Direct current power supply surge protection circuit |
| CN201854022U (en) * | 2010-11-23 | 2011-06-01 | 上海伊莱克斯实业有限公司 | Signal control surge protection circuit |
| CN202474851U (en) * | 2012-02-22 | 2012-10-03 | 深圳远征技术有限公司 | Lightning protection system for video servers |
| CN203377595U (en) * | 2013-06-21 | 2014-01-01 | 上海伊莱克斯实业有限公司 | Lightning protection circuit capable of protecting RS422 communication signal |
| CN204012691U (en) * | 2014-08-06 | 2014-12-10 | 国家电网公司 | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Non-Patent Citations (3)
| Title |
|---|
| 何建林: "江北地区10kV绝缘导线线路防雷综合措施应用研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 吕鸿宾等: "变电站二次过电压防护技术", 《四川电力技术》 * |
| 王超: "10KV架空绝缘导线防雷措施分析", 《上海电力》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529678B (en) * | 2016-02-25 | 2018-08-24 | 国网山东省电力公司郓城县供电公司 | The method for reducing low-voltage collecting meter reading system broken by lightning rate |
| CN112086951A (en) * | 2020-09-21 | 2020-12-15 | 劲逐软件技术(深圳)有限公司 | Lightning protection system and method special for electric energy meter |
| CN112086951B (en) * | 2020-09-21 | 2023-09-26 | 劲逐软件技术(深圳)有限公司 | Lightning protection system and method special for electric energy meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104113054B (en) | 2017-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201797312U (en) | Network port circuit of Ethernet power supply device | |
| CN203774781U (en) | Signal interface high-power electromagnetic pulse protection device | |
| CN204190381U (en) | A kind of antisurge interference prevention device based on power meter reading system | |
| CN104113054A (en) | Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning | |
| CN203027597U (en) | Power adapter and electrostatic discharge protective circuit thereof | |
| CN204012691U (en) | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning | |
| CN204290308U (en) | A kind of lightning protection circuit | |
| CN202495803U (en) | Isolation power supply cabinet used in medical treatment II type place | |
| CN202190074U (en) | Lightning protection device specially for POE network power supply apparatus | |
| CN204012686U (en) | A kind of serial interface circuit with lightning protection function | |
| CN101777761A (en) | Method and system for protecting transformer substation remote terminal unit (RTU) terminal communication | |
| CN204333949U (en) | A kind of protection against lightning surge circuit for navigation mark equipment | |
| CN208971139U (en) | A kind of signal isolating device of anti-electric railway traction reflux interference | |
| CN102931592A (en) | Lightning-protection power distribution cabinet | |
| CN203607798U (en) | Ice melting device for earth electrode lead in ultra-high-voltage DC power transmission system | |
| CN206820469U (en) | Surge protection circuit | |
| CN203326590U (en) | Signal circuit lightning protection device | |
| CN205139383U (en) | A device is hit in lightning protection for seismic data acquisition system | |
| CN204030581U (en) | A kind of high-frequency data signal ESD protection circuit with encapsulation | |
| CN203871853U (en) | Lightning protection concentrator | |
| CN204067886U (en) | Switch cubicle rectifier bridge | |
| CN204167903U (en) | A kind of pluggable embedded signal lightning protection device | |
| CN202009243U (en) | Anti-electromagnetic interference equipment power supply system | |
| CN201985523U (en) | Portable surge protection device of power supplies and signals | |
| CN203456865U (en) | Apparatus for automatically inhibiting lightning current from invading channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |