CN204832292U - Smart electric meter lightning protection device - Google Patents
Smart electric meter lightning protection device Download PDFInfo
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- CN204832292U CN204832292U CN201520617126.3U CN201520617126U CN204832292U CN 204832292 U CN204832292 U CN 204832292U CN 201520617126 U CN201520617126 U CN 201520617126U CN 204832292 U CN204832292 U CN 204832292U
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- Prior art keywords
- lightning protection
- electric meter
- metallic ground
- downlead
- intelligent electric
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- 239000004020 conductor Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
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- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group 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Abstract
The utility model discloses a smart electric meter lightning protection device, including the smart electric meter case, smart electric meter case connection external power source line, the smart electric meter incasement is provided with source defend thunder equipment and signal lightning protection device, and source defend thunder equipment and signal lightning protection device are connected with ground connection row jointly, and ground connection arranging is connected with metal ground connection downlead, and metal ground connection downlead passes the horizon and connects and is setting up the ground net under the horizon. The utility model relates to a rationally, can be fit for multiple soil condition, convenient and fast makes the long -range system's lightning protection of checking meter make appropriate selection under the prerequisite of advanced technology and economical rationality, makes the long -range security of system of checking meter, reliable, steady operation, furthest's reduction thunderbolt calamity.
Description
Technical field
The utility model relates to a kind of intelligent electric meter lightning protection device.
Background technology
Power supply is responsible for by platform district let-down stations in minefield, rural area.Platform district let-down stations configures corresponding transformer.Powered to electricity consumer by illuminating line, supply voltage is 380V.Overhead cabling method lays for built on stilts, and overhead height 6 meters, then enters electric supply meter case.
In platform district, overhead transmission line is provided with direct striking thunder prevention system, has laid lighting proof strip at electric pole place, by weld with constructional column arrangement of reinforcement or separately downlead is connected to the earth grounded screen.Centralized meter-reading system power circuit and signal line of checking meter do not establish lightning-protection system.Because thunder and lightning is in recent years frequent, intensity exceeds greatly the scope that can bear, lightning-protection system imperfection in addition, therefore larger damage is caused to kilowatt meter reading-out system.
So, develop a kind of intelligent electric meter lightning protection device, reasonable in design, long-distance meter-reading system lightning protection is made to make appropriate selection under the prerequisite of advanced technology and economical rationality, make long-distance meter-reading system safety, reliable, stable operation, reduce lightning hazards to greatest extent, become a problem demanding prompt solution.
Utility model content
The technical problems to be solved in the utility model overcomes above-mentioned defect, a kind of intelligent electric meter lightning protection device is provided, reasonable in design, long-distance meter-reading system lightning protection is made to make appropriate selection under the prerequisite of advanced technology and economical rationality, make long-distance meter-reading system safety, reliable, stable operation, reduce lightning hazards to greatest extent.
For solving the problem, the technical scheme that the utility model adopts is:
Intelligent electric meter lightning protection device, comprise Intelligent ammeter box, Intelligent ammeter box connects external power cord, it is characterized in that: in described Intelligent ammeter box, be provided with lightning protection for power supply and siganl thunder-proof device, lightning protection for power supply and siganl thunder-proof device are connected with earthing bar jointly, earthing bar is connected with metallic ground downlead, and metallic ground downlead is arranged on the grounded screen under ground level through ground level and being connected to.
As a kind of technical scheme of optimization, described grounded screen comprises the metallic ground body be connected with metallic ground downlead by wire, the surrounding of metallic ground body be provided be made up of electric resistance reducing agent resistive layer falls.
As a kind of technical scheme of optimization, described grounded screen comprises the horizontal grounding pole be connected with metallic ground downlead by wire, horizontal grounding extremely on be connected with some vertical earthing poles.
As a kind of technical scheme of optimization, described horizontal grounding pole and vertical earthing pole are made up of Zinc-coated angle steel.
As a kind of technical scheme of optimization, described grounded screen comprises the horizontal grounding pole be connected with metallic ground downlead by wire, horizontal grounding extremely on be connected with some vertical conductors, the lower end of vertical conductor is connected with low resistance earthing module.
As a kind of technical scheme of optimization, described horizontal grounding pole and vertical conductor are made up of Zinc-coated angle steel.
As a kind of technical scheme of optimization, described metallic ground downlead is galvanized steel bar welding or 16 squares of copper cores.
Owing to have employed technique scheme, compared with prior art, the utility model is reasonable in design, multiple edaphic condition can be applicable to, convenient and swift, make long-distance meter-reading system lightning protection make appropriate selection under the prerequisite of advanced technology and economical rationality, make long-distance meter-reading system safety, reliable, stable operation, reduce lightning hazards to greatest extent.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the utility model;
Fig. 2 is the structural representation of the utility model the second embodiment;
Fig. 3 is the structural representation of the third embodiment of the utility model.
Embodiment
Embodiment 1:
Intelligent electric meter lightning protection device, comprises Intelligent ammeter box 2, and Intelligent ammeter box 2 connects external power cord 1.Lightning protection for power supply 3 and siganl thunder-proof device 4 is provided with in described Intelligent ammeter box 2, lightning protection for power supply 3 and siganl thunder-proof device 4 are connected with earthing bar 5 jointly, earthing bar is connected with metallic ground downlead 6, and metallic ground downlead 6 is through ground level 7 and be connected to the grounded screen be arranged under ground level 7.
As shown in Figure 1, in the present embodiment, that corresponding is general soil (stake resistance rate≤300 Ω m), and grounded screen comprises the metallic ground body 8 be connected with metallic ground downlead 6 by wire, the surrounding of metallic ground body be provided be made up of electric resistance reducing agent resistive layer falls.
Described metallic ground downlead 6 is galvanized steel bar welding or 16 squares of copper cores.
Embodiment 2:
Intelligent electric meter lightning protection device, comprises Intelligent ammeter box 2, and Intelligent ammeter box 2 connects external power cord 1.Lightning protection for power supply 3 and siganl thunder-proof device 4 is provided with in described Intelligent ammeter box 2, lightning protection for power supply 3 and siganl thunder-proof device 4 are connected with earthing bar 5 jointly, earthing bar is connected with metallic ground downlead 6, and metallic ground downlead 6 is through ground level 7 and be connected to the grounded screen be arranged under ground level 7.
As shown in Figure 2, in the present embodiment, corresponding is the soil (stake resistance rate≤1000 Ω m) that resistivity is large, and described grounded screen comprises the horizontal grounding pole 9 be connected with metallic ground downlead 6 by wire, horizontal grounding pole 9 is connected with some vertical earthing poles 10.
Described horizontal grounding pole 9 and vertical earthing pole 10 are made up of Zinc-coated angle steel.Described metallic ground downlead 6 is galvanized steel bar welding or 16 squares of copper cores.
Embodiment 3:
Intelligent electric meter lightning protection device, comprises Intelligent ammeter box 2, and Intelligent ammeter box 2 connects external power cord 1.Lightning protection for power supply 3 and siganl thunder-proof device 4 is provided with in described Intelligent ammeter box 2, lightning protection for power supply 3 and siganl thunder-proof device 4 are connected with earthing bar 5 jointly, earthing bar is connected with metallic ground downlead 6, and metallic ground downlead 6 is through ground level 7 and be connected to the grounded screen be arranged under ground level 7.
As shown in Figure 3, in the present embodiment, that corresponding is sandstone soil (stake resistance rate≤2000 Ω m), described grounded screen comprises the horizontal grounding pole 9 be connected with metallic ground downlead by wire, horizontal grounding extremely on be connected with some vertical conductors 11, the lower end of vertical conductor 11 is connected with low resistance earthing module 12.
Described horizontal grounding pole 9 and vertical conductor 11 are made up of Zinc-coated angle steel.Described metallic ground downlead 6 is galvanized steel bar welding or 16 squares of copper cores.
The utility model is reasonable in design, multiple edaphic condition can be applicable to, convenient and swift, make long-distance meter-reading system lightning protection make appropriate selection under the prerequisite of advanced technology and economical rationality, make long-distance meter-reading system safety, reliable, stable operation, reduce lightning hazards to greatest extent.
The utility model is not limited to above-mentioned preferred implementation, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or akin technical scheme with the utility model, all belongs to protection domain of the present utility model.
Claims (7)
1. intelligent electric meter lightning protection device, comprise Intelligent ammeter box, Intelligent ammeter box connects external power cord, it is characterized in that: in described Intelligent ammeter box, be provided with lightning protection for power supply and siganl thunder-proof device, lightning protection for power supply and siganl thunder-proof device are connected with earthing bar jointly, earthing bar is connected with metallic ground downlead, and metallic ground downlead is arranged on the grounded screen under ground level through ground level and being connected to.
2. intelligent electric meter lightning protection device according to claim 1, is characterized in that: described grounded screen comprises the metallic ground body be connected with metallic ground downlead by wire, the surrounding of metallic ground body be provided be made up of electric resistance reducing agent resistive layer falls.
3. intelligent electric meter lightning protection device according to claim 1, is characterized in that: described grounded screen comprises the horizontal grounding pole be connected with metallic ground downlead by wire, horizontal grounding extremely on be connected with some vertical earthing poles.
4. intelligent electric meter lightning protection device according to claim 3, is characterized in that: described horizontal grounding pole and vertical earthing pole are made up of Zinc-coated angle steel.
5. intelligent electric meter lightning protection device according to claim 1, it is characterized in that: described grounded screen comprises the horizontal grounding pole be connected with metallic ground downlead by wire, horizontal grounding extremely on be connected with some vertical conductors, the lower end of vertical conductor is connected with low resistance earthing module.
6. intelligent electric meter lightning protection device according to claim 5, is characterized in that: described horizontal grounding pole and vertical conductor are made up of Zinc-coated angle steel.
7. intelligent electric meter lightning protection device according to claim 1, is characterized in that: described metallic ground downlead is galvanized steel bar welding or 16 squares of copper cores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617126.3U CN204832292U (en) | 2015-08-17 | 2015-08-17 | Smart electric meter lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617126.3U CN204832292U (en) | 2015-08-17 | 2015-08-17 | Smart electric meter lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832292U true CN204832292U (en) | 2015-12-02 |
Family
ID=54689878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520617126.3U Expired - Fee Related CN204832292U (en) | 2015-08-17 | 2015-08-17 | Smart electric meter lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204832292U (en) |
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2015
- 2015-08-17 CN CN201520617126.3U patent/CN204832292U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| 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: 20151202 Termination date: 20160817 |