CN104113054B - Prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning - Google Patents
Prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning Download PDFInfo
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- CN104113054B CN104113054B CN201410384938.8A CN201410384938A CN104113054B CN 104113054 B CN104113054 B CN 104113054B CN 201410384938 A CN201410384938 A CN 201410384938A CN 104113054 B CN104113054 B CN 104113054B
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- 239000004020 conductor Substances 0.000 description 2
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Abstract
The invention discloses a kind of combined type thunder resisting equipment for preventing collection recording electric energy meter from being destroyed by thunder and lightning, it is connected between collection recording electric energy meter and distribution line, it includes one-level lightning protection device, two level 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 two level lightning protection device, signal lighting protection interface connects two level lightning protection device and collection recording electric energy meter respectively, the strong atmospheric over voltage protection of distribution line inlet wire can be realized by the combined type thunder resisting equipment, the overvoltage protection of functional module in combined type thunder resisting equipment, connection is isolated in lightning protection between signal lighting protection interface and collection recording electric energy meter, connection is isolated in lightning protection between power supply and collection recording electric energy meter.The combined type thunder resisting equipment, which can make the collection copy electric meter system, can not only be protected weak thunder and lightning, moreover it is possible to strong thunder and lightning is protected, has multiple lightning protection function, ensures that collection copies the stable operation of electric meter system and line system.
Description
Technical field
The present invention relates to a kind of combined type thunder resisting equipment for preventing collection recording electric energy meter from being destroyed by thunder and lightning.
Background technology
The collection for being presently used for distribution line copies ammeter, and because device interior has substantial amounts of microelectronic component, it bears to be struck by lightning
The horizontal anti-lightning well below distribution line itself it is horizontal, one is single by accumulative, component damage and its serious, and can lead
Line system tripping operation is caused, great thunderbolt risk be present.
The lightning protection that general collection copies ammeter is realized by carrying out SPD overvoltage Fang Hu in power supply, signal acquisition port, right
There is good protection effect in smaller thunder and lightning.But due to not good relatively high power thunder energy treatment channel, once compared with
Strong lightning ingress, collection, which will copy ammeter, to be punctured by thunder and lightning, and cause line tripping.
The content of the invention
The invention provides a kind of combined type thunder resisting equipment for preventing collection recording electric energy meter from being destroyed by thunder and lightning, background is which overcomed
The deficiencies in the prior art described in technology.
The present invention solve its technical problem used technical scheme be：
Prevent from collecting the combined type thunder resisting equipment that is destroyed by thunder and lightning of recording electric energy meter, be connected to collection recording electric energy meter and distribution line it
Between, it includes one-level lightning protection device, two level lightning protection device, signal lighting protection interface and power lightning protection interface, and distribution line inlet wire connects
Connect one-level lightning protection device, one-level lightning protection device connection two level lightning protection device, the input connection two level of the signal lighting protection interface
Lightning protection device, the output end connection collection recording electric energy meter of signal lighting protection interface, the one-level lightning protection device are used for distribution line inlet wire
Strong atmospheric over voltage protection, the two level lightning protection device be used for combined type thunder resisting equipment in functional module overvoltage protect
Connection is isolated in shield, the lightning protection that the signal lighting protection interface is used between collection recording electric energy meter, and power lightning protection interface is used for electricity of powering
Lightning protection between source and collection recording electric energy meter, which is isolated, to be connected and gives collection recording electric energy meter power supply.
Among one embodiment：The one-level lightning protection device includes fitting and high-power overvoltage protection, gold utensil
It is electrically connected with high-power overvoltage protection, the high-power overvoltage protection, which is provided with overvoltage protection gap, to be made greatly
Power Lightning Over-voltage can be acted on the portable protective gaps.
Among one embodiment：The two level lightning protection device includes power supply/signal conversion module and lightning-protection module, the electricity
Line power on signal and power line can be modulated and demodulated by source/signal conversion module, power supply/signal conversion module electricity
Connect lightning-protection module.
Among one embodiment：The power lightning protection interface includes 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 are described excessively electric
Press protection module connection power supply, power supply interface connection collection recording electric energy meter.
Among one embodiment：The one-level lightning protection device also includes fitting, and fitting and high-power overvoltage are protected
Protection unit is mutually fixedly connected.
Among one embodiment：Also include a casing, the one-level lightning protection device is arranged on outside casing, two level lightning protection dress
Put, signal lighting protection interface and power lightning protection interface are arranged within casing.
Compared with background technology, it has the following advantages that the technical program：
Prevent from collecting the combined type thunder resisting equipment that is destroyed by thunder and lightning of recording electric energy meter, be connected to collection recording electric energy meter and distribution line it
Between, it includes one-level lightning protection device, two level lightning protection device, signal lighting protection interface and power lightning protection interface, and one-level lightning protection device is used
In the functional module that the strong atmospheric over voltage protection of distribution line inlet wire, two level lightning protection device are used in combined type thunder resisting equipment
Connection is isolated in overvoltage protection, the lightning protection that signal lighting protection interface is used between collection recording electric energy meter, and power lightning protection interface is used to supply
Lightning protection between power supply and collection recording electric energy meter, which is isolated, to be connected and gives collection recording electric energy meter power supply；The combined type thunder resisting equipment is not single
The pure equipment based on a lightning protection circuit, but by multiple lightning protection circuits or device respectively to strong thunder and lightning and the classification point of weak thunder and lightning
Different thunder and lightning power carry out lightning protection circuit design, and the difference in functionality module that electric meter system is copied to collection is respectively designed with corresponding power etc.
The lightning protection device of level carries out specific aim protection to each functional module, and the combined type thunder resisting equipment can make the collection copy electric meter system not only
Weak thunder and lightning can be protected, moreover it is possible to strong thunder and lightning is protected, there is multiple lightning protection function, ensure that collection copies electric meter system
With the stable operation of line system.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 depicts the system for preventing from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning described in the present embodiment
Theory diagram.
Fig. 2 depicts one of one-level lightning protection device schematic diagram described in the present embodiment.
Fig. 3 depicts the two level lightning protection device schematic diagram described in the present embodiment.
Fig. 4 depicts the power lightning protection interface diagram described in the present embodiment.
Fig. 5 depicts two of the one-level lightning protection device schematic diagram described in the present embodiment.
Fig. 6 depicts the lightning-protection module circuit diagram in two level lightning protection device.
Fig. 7 depicts the overvoltage isolation module circuit diagram in power lightning protection interface.
Fig. 8 depicts signal lighting protection interface circuit schematic diagram.
Embodiment
Fig. 1 to Fig. 4 is refer to, prevents from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, is connected to collection and copies electricity
Can be between table and distribution line, the recording electric energy meter that collects is the intelligent electric energy meter for electric-power centralized meter reading system, the combined type
Lightning protection device includes a casing, one-level lightning protection device 1, two level lightning protection device 2, signal lighting protection interface 3 and power lightning protection interface 4,
Distribution line inlet wire connection one-level lightning protection device 1, one-level lightning protection device 1 connects two level lightning protection device 2, the signal lighting protection interface
3 input connection two level lightning protection device 2, the output end connection collection recording electric energy meter 5 of signal lighting protection interface 3, the one-level lightning protection
Device 1 is used for the strong atmospheric over voltage protection of distribution line inlet wire, and the two level lightning protection device 2 is used in combined type thunder resisting equipment
Functional module overvoltage protection, connection isolate in the lightning protection that the signal lighting protection interface 3 is used between collection recording electric energy meter, electric
The lightning protection that source lightning protection interface 4 is used between power supply and collection recording electric energy meter, which is isolated, to be connected and is powered to collection recording electric energy meter 5.It is described
One-level lightning protection device 1 is arranged on outside casing, and two level lightning protection device 2, signal lighting protection interface 3 and power lightning protection interface 4 are arranged on
Within casing.
The one-level lightning protection device includes fitting 11 and high-power overvoltage protection 12.In the present embodiment, such as
Shown in Fig. 5, high-power overvoltage protection exchanges the leakage conductor of band gap, the leakage conductor bag of band gap for 17kV
Lightning arrester body 122 and the arrester upper end 121 with the air gap are included, fitting 11 is arrester fitting.Installation gold
Tool 11 is fixedly connected with the high-power phase of overvoltage protection 12, the arrester upper end 121 with the air gap, is made absolutely mostly
The high-power lightning surge of number is acted on the portable protective gaps, to form effective high-power overvoltage protection, is prevented simultaneously
Damage of the high-power thunder and lightning to equipment, make protection more effective, reliable.
The two level lightning protection device 2 includes power supply/signal conversion module 21 and lightning-protection module 22, and the power supply/signal turns
The supply voltage that collection is copied on the electric quantity signal and control signal and power line of ammeter can be modulated and demodulated by mold changing block 21,
Power supply/signal conversion module 21 electrically connects lightning-protection module 22.Power line after one-level lightning protection device lightning protection accesses through cable
Two level lightning protection device 2, through lightning-protection module 22 as shown in Figure 6, realize the further processing of thunder and lightning.
The power lightning protection interface 4 includes over-voltage protection module 41, overvoltage isolation module 42 and power supply interface 43, mistake
Voltage protection module 41 electrically connects overvoltage isolation module 42, and overvoltage isolation module 42 electrically connects power supply interface 43.The mistake
Voltage protection module 41 connects power supply, the connection collection recording electric energy meter 5 of power supply interface 43.In the present embodiment, the overvoltage protection
Module uses SPD Surge Protectors.Overvoltage isolation module 42 be one group by power inductance, breaker, electric capacity, thermistor,
The device for preventing Lightning Over-voltage impact of piezo-resistance composition, as shown in Figure 7.
Signal lighting protection interface is one group of circuit for preventing lightning surge entering signal interface as shown in Figure 8.
The combined type thunder resisting equipment is from lead wire road power line on 10kV transmission lines of electricity, through one-level lightning protection device 1 outside casing
The strong atmospheric over voltage protection of the first line of defence is carried out, providing one by the one-level lightning protection device 1 for strong thunder and lightning releases electric lead to
Road, strong thunder and lightning is blocked in outside casing, power line is after the first order is lightning-arrest, the functional module into lightning protection box body, i.e.,
Power supply/signal conversion module 21, the signal on power line is demodulated by power supply/signal conversion module, while in casing
Lightning-protection module 22 can carry out lightning overvoltage protection to the functional module, and the signal after demodulation is re-fed into signal lighting protection interface 3, leads to
Cross the signal lighting protection interface 3 and the demodulated signal is sent into collection recording electric energy meter 5 with collecting the lightning protection connection of isolating between recording electric energy meter 5.
After multiple apparatus for preventing thunderbolt, electronic component that lightning surge can not invade or damage in centralized meter-reading system substantially
.Meanwhile the power supply of the collection recording electric energy meter 5 accesses through power lightning protection interface 4, it effectively prevent lightning impulse and pass through confession
Electric power end enters centralized meter-reading system damage electronic component.
The combined type thunder resisting equipment is not the simple equipment based on a lightning protection circuit, but by multiple lightning protection circuits or
Device carries out lightning protection circuit design respectively to strong thunder and lightning and the different thunder and lightning power of weak thunder and lightning classification point respectively, and electric meter system is copied to collection
Difference in functionality module be respectively designed with the lightning protection device of corresponding power grade specific aim protection, the group carried out to each functional module
Box-like thunder resisting equipment can make the collection copy electric meter system not only to protect weak thunder and lightning, moreover it is possible to strong thunder and lightning is protected, had
Multiple lightning protection function, ensure that collection copies the stable operation of electric meter system and line system.
It is described above, only present pre-ferred embodiments, therefore the scope that the present invention is implemented can not be limited according to this, i.e., according to
The equivalent changes and modifications that the scope of the claims of the present invention and description are made, all should still it belong in the range of the present invention covers.
Claims (6)
1. prevent from collecting the combined type thunder resisting equipment that is destroyed by thunder and lightning of recording electric energy meter, be connected to collection recording electric energy meter and distribution line it
Between, it is characterised in that：Including one-level lightning protection device, two level lightning protection device, signal lighting protection interface and power lightning protection interface, distribution wire
Road inlet wire connection one-level lightning protection device, one-level lightning protection device connection two level lightning protection device, the input of the signal lighting protection interface
Two level lightning protection device, the output end connection collection recording electric energy meter of signal lighting protection interface are connected, the one-level lightning protection device is used for distribution
The strong atmospheric over voltage protection of circuit inlet wire, the mistake for the functional module that the two level lightning protection device is used in combined type thunder resisting equipment
Connection is isolated in voltage protection, the lightning protection that the signal lighting protection interface is used between collection recording electric energy meter, and power lightning protection interface is used for
Lightning protection between power supply and collection recording electric energy meter, which is isolated, to be connected and gives collection recording electric energy meter power supply.
2. according to claim 1 prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterised in that：
The one-level lightning protection device includes high-power overvoltage protection, and the high-power overvoltage protection is protected provided with overvoltage
Shield the air gap enables high-power Lightning Over-voltage to act on the portable protective gaps.
3. according to claim 1 prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterised in that：
The two level lightning protection device includes power supply/signal conversion module and lightning-protection module, and the power supply/signal conversion module can be by signal
It is modulated and demodulates with the line power on power line, power supply/signal conversion module electrical connection lightning-protection module.
4. according to claim 1 prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterised in that：
The power lightning protection interface includes over-voltage protection module, overvoltage isolation module and power supply interface, over-voltage protection module electricity
Connect overvoltage isolation module, overvoltage isolation module electrical connection power supply interface, the over-voltage protection module connection power supply electricity
Source, power supply interface connection collection recording electric energy meter.
5. according to claim 2 prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterised in that：
The one-level lightning protection device also includes fitting, and fitting is mutually fixedly connected with high-power overvoltage protection.
6. according to claim 1 prevent from collecting the combined type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, it is characterised in that：
Also include a casing, the one-level lightning protection device is arranged on outside casing, and two level lightning protection device, signal lighting protection interface and power supply are prevented
Thunder interface is arranged within 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 |
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| Publication Number | Publication Date |
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| CN104113054A CN104113054A (en) | 2014-10-22 |
| CN104113054B true CN104113054B (en) | 2017-12-22 |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474851U (en) * | 2012-02-22 | 2012-10-03 | 深圳远征技术有限公司 | Lightning protection system for video servers |
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| 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 |
| 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 |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474851U (en) * | 2012-02-22 | 2012-10-03 | 深圳远征技术有限公司 | Lightning protection system for video servers |
Non-Patent Citations (1)
| Title |
|---|
| 10KV架空绝缘导线防雷措施分析;王超;《上海电力》;20111031;第338-341页 * |
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