CN204012691U - Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning - Google Patents
Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning Download PDFInfo
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- CN204012691U CN204012691U CN201420441336.7U CN201420441336U CN204012691U CN 204012691 U CN204012691 U CN 204012691U CN 201420441336 U CN201420441336 U CN 201420441336U CN 204012691 U CN204012691 U CN 204012691U
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- lightning
- lightning protection
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- electric energy
- energy meter
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- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010336 energy treatment Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Abstract
The utility model discloses a kind of composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning that prevents from collecting, 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, signal lighting protection interface connects respectively secondary lightning protection device and collection recording electric energy meter, by this composite type thunder resisting equipment, can realize the strong atmospheric over voltage protection of distribution line inlet wire, the overvoltage protection of the functional module in composite type thunder resisting equipment, signal lighting protection interface is connected with the lightning protection isolation between collection recording electric energy meter, power supply is connected with the lightning protection isolation between collection recording electric energy meter.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, have multiple lightning protection function, guarantees the stable operation that collection is copied electric meter system and line system.
Description
Technical field
The utility model 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, for less thunder and lightning, has good protection effect.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.
Utility model content
The utility model provides a kind of preventing to collect the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning, and it has overcome the deficiencies in the prior art described in background technology.
The technical scheme adopting that the utility model 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, described signal lighting protection interface is for being connected with the lightning protection isolation collecting between recording electric energy meter, power lightning protection interface is connected and powers to collection recording electric energy meter with the lightning protection isolation between collection recording electric energy meter for power supply.
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, and power supply/signal conversion module is electrically connected to 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 is electrically connected to overvoltage isolation module; overvoltage isolation module is electrically connected to 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, signal lighting protection interface is for being connected with the lightning protection isolation collecting between recording electric energy meter, power lightning protection interface is connected and powers to collection recording electric energy meter with the lightning protection isolation between collection recording electric energy meter for power supply, 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 minute fraction is carried out to lightning protection circuit design by a plurality of 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, guarantee the stable operation that collection is copied electric meter system and line system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 has illustrated preventing described in the present embodiment and has collected the system principle diagram that recording electric energy meter is 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 is for being connected with the lightning protection isolation collecting between recording electric energy meter, power lightning protection interface 4 is connected and powers to collection recording electric energy meter 5 with the lightning protection isolation between collection recording electric energy meter for power supply.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 with the lightning arrester upper end 121 of air gap, 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, described power supply/signal conversion module 21 can be copied collection the electric quantity signal of ammeter and the supply voltage on control signal and power line carries out modulation and demodulation, and power supply/signal conversion module 21 is electrically connected to 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 to overvoltage isolation module 42, and overvoltage isolation module 42 is electrically connected to 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 comprised 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, by this one-level lightning protection device 1, provide one to release electric pathway 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, by this signal lighting protection interface 3, is connected this restituted signal is sent into and collected recording electric energy meter 5 with the isolation lightning protection of collection between 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, through 4 accesses of power lightning protection interface, has prevented that lightning impulse from entering centralized meter-reading system by power supply end and damaging electronic devices and components effectively.
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 minute fraction is carried out respectively to lightning protection circuit design by a plurality of 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, guarantee the stable operation that collection is copied electric meter system and line system.
The above, it is only the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model 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, described signal lighting protection interface is for being connected with the lightning protection isolation collecting between recording electric energy meter, power lightning protection interface is connected and powers to collection recording electric energy meter with the lightning protection isolation between collection recording electric energy meter for power supply.
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, and power supply/signal conversion module is electrically connected to 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 is electrically connected to overvoltage isolation module; overvoltage isolation module is electrically connected to 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 |
|---|---|---|---|
| CN201420441336.7U CN204012691U (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the composite 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 |
|---|---|---|---|
| CN201420441336.7U CN204012691U (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012691U true CN204012691U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420441336.7U Withdrawn - After Issue CN204012691U (en) | 2014-08-06 | 2014-08-06 | Prevent from collecting the composite type thunder resisting equipment that recording electric energy meter is destroyed by thunder and lightning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113054A (en) * | 2014-08-06 | 2014-10-22 | 国家电网公司 | Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning |
-
2014
- 2014-08-06 CN CN201420441336.7U patent/CN204012691U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113054A (en) * | 2014-08-06 | 2014-10-22 | 国家电网公司 | Combined type anti-thunder equipment capable of preventing concentrated copy electric energy meter from being damaged by thunder and lightning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20171222 |