CN2582002Y - Outdoor high-voltage dry-electric energy meter - Google Patents
Outdoor high-voltage dry-electric energy meter Download PDFInfo
- Publication number
- CN2582002Y CN2582002Y CN 02255778 CN02255778U CN2582002Y CN 2582002 Y CN2582002 Y CN 2582002Y CN 02255778 CN02255778 CN 02255778 CN 02255778 U CN02255778 U CN 02255778U CN 2582002 Y CN2582002 Y CN 2582002Y
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- mutual inductor
- electric energy
- voltage
- dry type
- meter
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Abstract
The utility model discloses an outdoor high voltage dry type electric energy measuring device, which comprises a three phase high voltage dry type combined voltage and current transformer and an electric energy meter. The three phase high voltage dry type combined voltage and current transformer and the electric energy meter are arranged in a transformer box and an electric energy metering box respectively, the two boxes are connected through a multicore control cable, the three phase wiring terminals A, B and C of the three phase high voltage dry type combined voltage and current transformer are connected correspondingly to large creep distance high voltage porcelain knobs which are fixed on the outer side of the transformer box top, phases A and C adopt double knob porcelain insulators, and a wattless electricity meter and an active electricity meter are fixedly arranged in the electric energy metering box. The utility model overcomes the problem that the existing dry type electric energy metering boxes are not convenient to maintain and read; the utility model provides a novel metering device which is convenient for installation, maintenance and meter reading and which can be operated safely and measure accurately for the electric power consumption of a high voltage electricity transmission line.
Description
Technical field
The utility model relates to a kind of high-voltage electric-energy meter, particularly relates to a kind of outdoor high-voltage dry type electric power meter.
Background technology
The electric energy metrical of conventional high-tension circuit adopted the self cooling batch meter of oil immersed type in the past usually, and its shortcoming is casing heaviness, easy oil impregnate, contaminated environment, and maintenance workload is big, safeguards as untimely oiling, and then built-in electrical insulation can be destroyed, batch meter has the possibility of blast, causes large-area power outage.For overcoming the shortcoming of traditional oil immersed type High-voltage measuring box, the patent No. is that 99233184.6 utility model patent discloses the totally-enclosed full-insulating high-voltage electric power of a kind of dry type electrical energy metering tank, this electrical energy metering tank has overcome the shortcoming of traditional oil immersed type, but also have the following disadvantages: mutual inductor and measuring instrument are in same casing, be not easy to safeguard and check meter, A, C phase high-tension porcelain insulator are traditional single-column porcelain vase simultaneously, heating is serious during work, easily cause the contact oxidation, cause loose contact even burnt out, the safe operation coefficient is lower.
Summary of the invention
Technical problem to be solved in the utility model is that the inconvenience that overcomes existing dry type electrical energy metering tank is safeguarded and the problem of checking meter, and provides a kind of and is convenient to installation, safeguards and checks meter the novel measuring apparatus of ultra-high-tension power transmission line power consumption safe and reliable to operation.
For achieving the above object, the utility model adopts following technical scheme: a kind of outdoor high-voltage dry type electric power meter, comprise three-phase high-voltage dry-type voltage currents combination mutual inductor and electric energy measurement instrument two parts, three-phase high-voltage dry-type voltage currents combination mutual inductor and electric energy measurement instrument place mutual inductor case and electrical energy metering tank respectively, be provided with connecting terminal block in the mutual inductor case, be provided with terminal box in the electrical energy metering tank, by multi-core controlled cable two the casees are linked to each other, the A of three-phase high-voltage dry-type voltage currents combination mutual inductor, B, C three-phase terminal and corresponding the linking to each other of high pressure porcelain knob that is packed in the outside, mutual inductor case top, be fixed with idle ammeter and power electric meter in the described electrical energy metering tank.
In order to reduce the porcelain vase heating in when work, in described A, the B that is packed in the outside, mutual inductor case top, the C three-phase high-voltage porcelain knob, A, C adopt the twin columns porcelain vase mutually.
Generation flashover when preventing work, described A, B, the C three-phase high-voltage porcelain knob that is packed in the outside, mutual inductor case top adopts the large distance porcelain vase.
The mutual inductor case comprises mutual inductor casing, top cover and mutual inductor chamber door, and the mutual inductor lower box is provided with the installation angle steel, all towards the heat dissipation ventilation hole is arranged, the capillary groove of outward flanging is arranged around the mutual inductor chamber door doorframe around mutual inductor case shell bottom surface and the lower edge, mutual inductor case top.
Electrical energy metering tank comprises electric energy metrical casing and electric energy metrical chamber door, be fixed with the installation link plate on the electric energy metrical casing, the electric energy metrical chamber door is provided with view window, be provided with key lock and lead seal hole between electric energy metrical chamber door and electric energy metrical casing, the capillary groove of outward flanging is arranged around electrical energy metering tank every frame.
After adopting technical scheme described in the utility model,, be very easy to maintenance and check meter because mutual inductor and electric energy measurement instrument be separated from each other; Adopt large distance high pressure porcelain knob, can effectively prevent flashover, input, the output with A, C phase simultaneously separates, adopt the twin columns porcelain vase, the heating of porcelain knob when having reduced operation, thus reach the consequence of avoiding the contact oxidation to cause loose contact even burn out, improved the safe operation coefficient; Mutual inductor has adopted three-phase and five-pole dry-type voltage currents combination mutual inductor simultaneously, and volume is little, in light weight, good insulation preformance.In addition, all towards the heat dissipation ventilation hole is arranged, be provided with capillary groove around the chamber door around the bottom of mutual inductor case and the lower edge, case top, have good cross-ventilation, natural ventilation, waterproof and dampproof, and guarantee again to be strictly on guard against that toy or metallic foreign body touch in the casing, are applicable to outdoor safe and reliable operation; Key lock of installing between electric energy metrical chamber door and casing and lead seal hole play the effect that prevents stealing.
Description of drawings
Fig. 1 is that mutual inductor case of the present utility model and electrical energy metering tank connect synoptic diagram;
Fig. 2 is the 3-phase dry type electric current and voltage combination transformer structural representation that the utility model adopts;
Fig. 3 is a capillary groove structural representation around the utility model casing doorframe;
Fig. 4 is a 3-phase dry type electric current and voltage combination transformer current coil schematic diagram in the utility model;
Fig. 5 is a 3-phase dry type electric current and voltage combination transformer potential winding schematic diagram in the utility model;
Fig. 6 is the electrical schematic diagram of the utility model electrical energy metering tank.
Embodiment
In the mutual inductor case 10 shown in the accompanying drawing 1, tank shell adopts corrosion resistant plate to bend assembly welding and forms, mutual inductor casing 2 bottoms are fixed with installs angle steel 1, during use mutual inductor case 10 is packed on the fixture, 3-phase dry type electric current and voltage combination transformer 7 is installed in mutual inductor casing 2 inside, the A of combination transformer 7, B, C three-phase terminal and 5 corresponding the linking to each other of large distance high pressure porcelain knob that are packed in the outside, mutual inductor case top, the A phase of high pressure porcelain knob 5, C adopts the twin columns porcelain vase mutually, turnover is separated from each other, terminal row 8 is equipped with in the bottom of combination transformer 7, mutual inductor chamber door 6 is installed on the mutual inductor casing 2, stretch out mutual inductor casing 2 outsides around the top cover 4, one side is dashed down louvre 3, mutual inductor casing 2 bottoms dash identical cross-ventilation louvre, and the capillary groove 9 of outward flanging is arranged around cooperating with mutual inductor chamber door 6 on the mutual inductor casing 2.In the diagram electric energy metering box (20), the electric energy metering box housing adopts corrosion resistant plate to bend assembly welding and forms, electric energy meter casing 12 backs are welded with installs link plate 11, two glass windows 15 are installed on the electric energy meter chamber door 16, be convenient under the situation of not opening electric energy meter chamber door 16, directly read the running reading of gaining merit in the case with idle ammeter 17, meritorious and idle ammeter 17 adopts electronic intelligence type four-quadrant three-phase electric energy meter, be welded with the capillary groove 9 of outward flanging around cooperating with electric energy meter chamber door 16 on the electric energy meter casing 12, electric energy meter chamber door 16 is provided with lead seal hole 13 and key lock 14 with electric energy meter casing 12 closed places.Be provided with special junction box 18 in the electric energy meter casing 12, link to each other with terminal row 8 in the mutual inductor case 10 by multi-core controlled cable 19.
Body structure shown in the accompanying drawing 1 has good cross-ventilation, natural ventilation, damp proof protection against the tide, and guarantees again to be strictly on guard against that toy or metallic foreign body touch in the casing, and degree of protection reaches IP33, is applicable to outdoor safe and reliable operation.
In the 3-phase dry type electric current and voltage combination transformer shown in the accompanying drawing 2, two current transformer CT of A phase, C phase are arranged on A, the B that is in-line and is provided with, a side of C three-phase terminal, and two voltage transformer pts of A phase, C phase are arranged on the opposite side of this connection terminal.And the bottom of voltage, current transformer is provided with fixed support 26.Simultaneously, the coil covering 25 of voltage, current transformer is the integrative-structure insulation courses that become by poured with epoxy resin with connection terminal insulation course 22, and the iron core 24 of the iron core 21 of voltage transformer (VT), current transformer all adopts C sections core.Gain merit in voltage, Current Transformer Secondary electric current, voltage output end 23 and the electric energy metering box and be connected with idle ammeter 17.
In the electrical schematic diagram shown in the accompanying drawing 4,5,6, wh is an active watt-hour meter, and varh is a wattless component watt-hour meter, and PJ is a terminal box, and 1LHa is an A phase current coil, and 1LHc is a C phase current coil.When mutual inductor case 10 is connected with electric energy metering box 20, multi-core controlled cable 19 two ends respectively with two the casees in corresponding wiring numbering A630, B630, C630 connect.
Claims (5)
1, a kind of outdoor high-voltage dry type electric power meter, comprise three-phase high-voltage dry-type voltage currents combination mutual inductor (7) and electric energy measurement instrument (17) two parts, it is characterized in that: three-phase high-voltage dry-type voltage currents combination mutual inductor (7) and electric energy measurement instrument (17) place mutual inductor case (10) and electrical energy metering tank (20) respectively, be provided with connecting terminal block (8) in the mutual inductor case (10), be provided with terminal box (18) in the electrical energy metering tank (20), by multi-core controlled cable (19) two the casees are linked to each other, the A of three-phase high-voltage dry-type voltage currents combination mutual inductor (7), B, C three-phase terminal (22) and corresponding the linking to each other of high pressure porcelain knob (5) that is packed in the outside, mutual inductor case top, be fixed with idle ammeter and power electric meter (17) in the described electrical energy metering tank (20).
2, outdoor high-voltage dry type electric power meter as claimed in claim 1 is characterized in that: in described A, the B that is packed in the mutual inductor case top outside, the C three-phase high-voltage porcelain knob (5), A, C adopt the twin columns porcelain vase mutually.
3, outdoor high-voltage dry type electric power meter as claimed in claim 1 or 2 is characterized in that: described A, B, the C three-phase high-voltage porcelain knob (5) that is packed in the outside, mutual inductor case top is the large distance porcelain vase.
4, outdoor high-voltage dry type electric power meter as claimed in claim 1, it is characterized in that: described mutual inductor case (10) comprises mutual inductor casing (2), top cover (4) and mutual inductor chamber door (6), mutual inductor casing (2) bottom is provided with installs angle steel (1), all towards heat dissipation ventilation hole (3) is arranged, the capillary groove (9) of outward flanging is arranged around mutual inductor chamber door (6) doorframe around mutual inductor case shell bottom surface and (4) lower edge, mutual inductor case top.
5, outdoor high-voltage dry type electric power meter as claimed in claim 1, it is characterized in that: described electrical energy metering tank (20) comprises electric energy metrical casing (12) and electric energy metrical chamber door (16), be fixed with on the electric energy metrical casing (12) link plate (11) is installed, electric energy metrical chamber door (16) is provided with view window (15), be provided with key lock (14) and lead seal hole (13) between electric energy metrical chamber door (16) and electric energy metrical casing (12), the capillary groove (9) of outward flanging is arranged around electric energy metrical chamber door (16) doorframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255778 CN2582002Y (en) | 2002-12-06 | 2002-12-06 | Outdoor high-voltage dry-electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255778 CN2582002Y (en) | 2002-12-06 | 2002-12-06 | Outdoor high-voltage dry-electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582002Y true CN2582002Y (en) | 2003-10-22 |
Family
ID=33724198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02255778 Expired - Fee Related CN2582002Y (en) | 2002-12-06 | 2002-12-06 | Outdoor high-voltage dry-electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582002Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427348A (en) * | 2013-08-02 | 2013-12-04 | 上海一电集团有限公司 | Outdoor intelligent high-voltage metering box |
| CN105067853A (en) * | 2015-09-24 | 2015-11-18 | 珠海安瑞通电子科技有限公司 | Length-adjustable high voltage energy meter capable of live-line installation |
| CN105608949A (en) * | 2016-03-16 | 2016-05-25 | 国家电网公司 | Split type electric energy metering device and terminal installation wiring practical training apparatus |
| CN112858748A (en) * | 2021-02-20 | 2021-05-28 | 国网河南省电力公司周口供电公司 | Outdoor high-voltage metering device capable of realizing cost control function and use method |
-
2002
- 2002-12-06 CN CN 02255778 patent/CN2582002Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427348A (en) * | 2013-08-02 | 2013-12-04 | 上海一电集团有限公司 | Outdoor intelligent high-voltage metering box |
| CN103427348B (en) * | 2013-08-02 | 2016-02-24 | 上海一电集团有限公司 | A kind of outdoor Intelligent high-voltage meter box |
| CN105067853A (en) * | 2015-09-24 | 2015-11-18 | 珠海安瑞通电子科技有限公司 | Length-adjustable high voltage energy meter capable of live-line installation |
| CN105067853B (en) * | 2015-09-24 | 2018-04-20 | 珠海安瑞通电子科技有限公司 | A kind of high-voltage electric energy meter of the powered installation of adjustable length |
| CN105608949A (en) * | 2016-03-16 | 2016-05-25 | 国家电网公司 | Split type electric energy metering device and terminal installation wiring practical training apparatus |
| CN112858748A (en) * | 2021-02-20 | 2021-05-28 | 国网河南省电力公司周口供电公司 | Outdoor high-voltage metering device capable of realizing cost control function and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |