CN2615928Y - Outdoor dry type high-voltage electric metering box - Google Patents
Outdoor dry type high-voltage electric metering box Download PDFInfo
- Publication number
- CN2615928Y CN2615928Y CN 03229979 CN03229979U CN2615928Y CN 2615928 Y CN2615928 Y CN 2615928Y CN 03229979 CN03229979 CN 03229979 CN 03229979 U CN03229979 U CN 03229979U CN 2615928 Y CN2615928 Y CN 2615928Y
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- China
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- voltage
- electric energy
- dry type
- type high
- voltaghe compartment
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- Expired - Fee Related
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Abstract
The utility model discloses an open dry-type high-voltage electric force measuring pocket, which comprises a high-voltage compartment and an electric energy meter compartment connected by multicore high-intensity cables and is composed of a high precision dry-type voltage transformer, a current transformer and a electric energy meter, the utility model is capable of being used for open high-voltage electric force measure in distributed system in which a voltage grade is 10 kilovolts grade and the frequency of triphase alternating current is 50 hertz, air is utilized for compound insulating materials in the high-voltage compartment where oil isn't charged, all the charged conductors are closed by insulation material, a double-ply air filtration unit is arranged on the bottom of the high-voltage compartment, which is favor of insulation and voltage-resistance in the high-voltage compartment and manufactures no pollution, thereby the loss of high-voltage measure is reduced and measuring precision is high, the utility model is an ideal metering equipment for power supply enterprises to put an end to the phenomena stealing and leaking electricity.
Description
Technical field
The utility model relates to the power supply measuring equipment, especially the outdoor high-voltage electrical energy metering tank used of 10KV electric pressure three-phase alternating current 50HZ distribution system.
Background technology
To the conventional metered dose method of using 10KV electric pressure power taking user be: transformer and three-phase electric energy meter are installed at Subscriber Unit, the power supply of 10KV could measure with three phase watt-hour meter after user's transformer is reduced to 380V, that Subscriber Unit just must be acquired the factory building of equipment and erection unit, concerning power supply unit, if want the copy reading power consumption just must to go to Subscriber Unit, interference user unit, copy reading is very inconvenient, and main be difficult to avoid to steal electric leakage can phenomenon.For this reason, it is 98220541.4 " outdoor dry type high-voltage power metering case " that Chinese patent discloses a kind of patent No., its disclosed technical scheme is that instrument transformer and electric energy meter are arranged in the casing of sealing, though it has solved the unfavorable factor of conventional metered dose method, but there are many defectives, at first being that the sealed insulation of energized conductor is taken effective measures, secondly is that electric energy meter is enclosed in the casing, and the trouble of checking meter still exists.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and the air combined insulation of a kind of employing is provided, helps dielectric voltage withstand in the casing, free of contamination outdoor dry type high-voltage power metering case.
The technical scheme that the utility model solves the problems of the technologies described above is: outdoor dry type high-pressure electronic batch meter, comprise that being installed in electric pole forms with the electric energy metering box that is linked to each other by multicore high-strength cable line with the high-voltaghe compartment on the support, described high-voltaghe compartment comprises the casing of sealing, be provided with in the casing by circuit and be connected 2 voltage transformers and 2 current transformers on the lead terminal, it is characterized in that adopting in the described high-voltaghe compartment casing air combined insulation, energized conductor is all adopted the insulating material sealing, be provided with air filter in the bottom of high-voltaghe compartment casing.
Described high-voltaghe compartment casing comprises the underframe that can be connected with support, and with the fixing case shell of underframe, with the fixing case lid of case shell, the faying face of case lid and case shell is provided with sealing gasket.
In the described high-voltaghe compartment casing voltage transformer and the circuit of current transformer connect be the two ends of a voltage transformer be connected to A mutually with the input terminal of B phase on, the two ends of another voltage transformer are connected on B phase and the C input terminal mutually; A current transformer is connected on a phase outlet terminal, and another current transformer is connected on the c phase outlet terminal.
Described air filter is double-deck air purifier.
Be provided with three-phase electric energy meter in the described electric energy metering box, this three-phase electric energy meter is the active power meter and the varmeter of active power meter or aggregate erection simultaneously.
Rainproof bright lock is installed on the described electric energy metering box, is provided with dividing plate behind its chamber door, dividing plate is provided with transparent inspection window.
Compared with prior art, the utility model all adopts the insulating material sealing because casing has been adopted air combined insulation to energized conductor, help dielectric voltage withstand, pollution-free in the casing, make the high pressure measurement loss little, the measuring accuracy height, can stop to steal electric leakage can phenomenon.
Description of drawings
Fig. 1 is one of a high-voltaghe compartment of the present utility model and electric energy metering box mount scheme schematic diagram.
Fig. 2 is two schematic diagrames of high-voltaghe compartment of the present utility model and electric energy metering box mount scheme.
Fig. 3 is a high-voltaghe compartment sectional structure schematic diagram of the present utility model.
Fig. 4 is circuit theory diagrams of the present utility model.
Embodiment
Embodiment is described in detail the utility model again below with reference to accompanying drawing.
Referring to Fig. 1, Fig. 2, outdoor dry type high-voltage power metering case can be made the usefulness of outdoor high-voltage electric energy metrical in the distribution system of the three-phase alternating current 50HZ of 10KV electric pressure.Be the combination of high accuracy dry-type voltage inductor, current transformer, electric energy meter, its voltage transformer, current transformer all can reach 0.2 grade of accuracy, and its secondary measurement circuit part is all-sealed structure.
Outdoor dry type high-voltage power metering case is installed on electric pole 2 and the support 4, is made up of high-voltaghe compartment with three-phase lead terminal 1 and electric energy metering box 3 that multicore high-strength cable line links to each other.Its mounting means has two kinds, and Fig. 1 is the partial installation formula, is about to high-voltaghe compartment and separates with electric energy metering box, and high-voltaghe compartment is installed on the support 4, and electric energy metering box is installed on the electric pole 2, and about about 2 meters apart from ground, the lock that can open the door is checked meter; The integrated installing type of Fig. 2 is about to high-voltaghe compartment, electric energy metering box is adjacent is combined into an integral installation on support, realizes that the high-altitude remote control checks meter.
High-voltaghe compartment 1 is seen Fig. 3, the casing that one sealing is arranged, this casing comprises the underframe 13 that can be connected with support 4, case shell 12 with underframe solid welding one, case lid 10 is detachable fixing with the case shell, both faying faces are provided with sealing gasket 11 sealings, adopt air combined insulation in the high-voltaghe compartment casing, not oil-filled, energized conductor is all sealed with insulating material, energized conductor comprises by circuit and being connected into, go out 2 voltage transformers 6 and 2 current transformers 8 on the lead terminal, lead terminal three advances three and goes out that totally 6 terminals are located at the case lid top, and by 5 insulation of 6 high pressure silicone rubber composite bushings, the lower end isolates with special-purpose epoxy resins insulation block 9 protection, make it totally-enclosed, do not expose, help dielectric voltage withstand in the case, voltage transformer 6 is fixed on the mounting panel 7 of case lid inside top, current transformer 8 is located at its below, and two ends and composite bushing 5 interior electric conductors are connected and with the epoxy resin and the silicone rubber sleeve sealed insulation of umbrella-skirt type.The air filter 14 that is provided with at the high-voltaghe compartment bottom half is double-deck air purifier, this air purifier is the self-control product, only allow clean air freely to enter in the case, and case internal heat generation air is expelled to outside the case, have dry, the blowdown reliable functioning, fundamentally solved condensation problem.
The secondary measurement return wire is drawn out to the splicing ear case after being fixed by insulation hard tube sheath, be connected with electric energy metering box with the secondary circuit leader cable again, the secondary measurement circuit part is full-closed structure, its circuit connection structure is seen Fig. 4, the two ends of a voltage transformer are connected to A mutually and on the B input terminal mutually, and the two ends of another voltage transformer are connected on B phase and the C input terminal mutually; A current transformer is connected on a phase outlet terminal, and another current transformer is connected on the c phase outlet terminal.Voltage transformer, current transformer are dry type, and its accuracy is 0.2 grade.Voltage transformer is pressed the conventional configuration of 10KV/100V, and current transformer then can be selected 20,30,50,75,100,150,200,250,300,400,500, in the scope of 600/S according to the actual load electric current.
Be provided with three-phase electric energy meter in the electric energy metering box 3, this three-phase electric energy meter is an active power meter or according to customer requirements, simultaneously aggregate erection active power meter and varmeter.The output 10KV of transformer station high-tension electricity, in three the binding post leading-in boxs of A, B, C in the high-voltaghe compartment 1, three outlet terminal a, b, c by high-voltaghe compartment 1 send again, be transferred to electricity consumer, user's power consumption is delivered in the electric energy metering box 3 by cable by 6 summation current transformers of the voltage transformer in the high-voltaghe compartment, 8 sampling backs and is measured.
Rainproof bright lock is installed on the electric energy metering box 3, is provided with dividing plate behind its chamber door, dividing plate is provided with the transparent inspection window of glass.
Claims (6)
1, a kind of outdoor dry type high-pressure electronic batch meter, comprise that being installed in electric pole (2) forms with the electric energy metering box (3) that is linked to each other by multicore high-strength cable line with the high-voltaghe compartment (1) on the support (4), described high-voltaghe compartment (1) comprises the casing of sealing, be provided with in the casing by circuit and be connected 2 voltage transformers (6) and 2 current transformers (8) on the lead terminal, it is characterized in that adopting in the described high-voltaghe compartment casing air combined insulation, energized conductor is all adopted the insulating material sealing, be provided with air filter (14) in the bottom of high-voltaghe compartment casing.
2, outdoor dry type high-pressure electronic batch meter according to claim 1, it is characterized in that described high-voltaghe compartment casing comprises the underframe (13) that can be connected with support (4), with the fixing case shell (12) of underframe, with the fixing case lid (10) of case shell, the faying face of case lid and case shell is provided with sealing gasket (11).
3, outdoor dry type high-pressure electronic batch meter according to claim 1 and 2, it is characterized in that voltage transformer (6) and the circuit of current transformer (8) in the described high-voltaghe compartment casing connect be the two ends of a voltage transformer be connected to A mutually with the input terminal of B phase on, the two ends of another voltage transformer are connected on B phase and the C input terminal mutually; A current transformer is connected on a phase outlet terminal, and another current transformer is connected on the c phase outlet terminal.
4, outdoor dry type high-pressure electronic batch meter according to claim 1 is characterized in that described air filter (14) is double-deck air purifier.
5, outdoor dry type high-pressure electronic batch meter according to claim 1 is characterized in that being provided with three-phase electric energy meter in the described electric energy metering box (3), and this three-phase electric energy meter is the active power meter and the varmeter of active power meter or aggregate erection simultaneously.
6, outdoor dry type high-pressure electronic batch meter according to claim 1 or 5 is characterized in that rainproof bright lock is installed on the described electric energy metering box (3), is provided with dividing plate behind its chamber door, and dividing plate is provided with transparent inspection window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229979 CN2615928Y (en) | 2003-04-01 | 2003-04-01 | Outdoor dry type high-voltage electric metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229979 CN2615928Y (en) | 2003-04-01 | 2003-04-01 | Outdoor dry type high-voltage electric metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615928Y true CN2615928Y (en) | 2004-05-12 |
Family
ID=34247438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229979 Expired - Fee Related CN2615928Y (en) | 2003-04-01 | 2003-04-01 | Outdoor dry type high-voltage electric metering box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615928Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411076A (en) * | 2010-09-22 | 2012-04-11 | 陈家斌 | Outdoor high-voltage electrified installation and removal electric energy metering device |
| CN102419384A (en) * | 2010-09-24 | 2012-04-18 | 陈家斌 | Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state |
| CN112763774A (en) * | 2020-12-16 | 2021-05-07 | 贵州电网有限责任公司 | Novel high-voltage metering box |
-
2003
- 2003-04-01 CN CN 03229979 patent/CN2615928Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411076A (en) * | 2010-09-22 | 2012-04-11 | 陈家斌 | Outdoor high-voltage electrified installation and removal electric energy metering device |
| CN102419384A (en) * | 2010-09-24 | 2012-04-18 | 陈家斌 | Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state |
| CN112763774A (en) * | 2020-12-16 | 2021-05-07 | 贵州电网有限责任公司 | Novel high-voltage metering box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040512 Termination date: 20110401 |