CN203774626U - Bus connection structure used for metering box - Google Patents
Bus connection structure used for metering box Download PDFInfo
- Publication number
- CN203774626U CN203774626U CN201420005564.XU CN201420005564U CN203774626U CN 203774626 U CN203774626 U CN 203774626U CN 201420005564 U CN201420005564 U CN 201420005564U CN 203774626 U CN203774626 U CN 203774626U
- Authority
- CN
- China
- Prior art keywords
- bus
- current transformer
- conductive seat
- metering box
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Abstract
The utility model discloses a bus connection structure used for a metering box in the technical field of electrical equipment, so as to solve the technical problems that the metering box in the prior at is large in size, poor in insulation performance and inconvenient in assembly, disassembly and maintenance. The bus connection structure used for a metering box comprises a connection bus, a metering box and a current transformer and a voltage transformer arranged inside the metering box, wherein a groove is arranged in an insulated shell of the current transformer; the connection bus is electrically connected with the current transformer via a bus connection device arranged inside the groove; the bus connection device comprises a fixed conductive seat fixedly connected the current transformer; the fixed conductive seat is electrically connected with a conductive pile head inside the current transformer via a bolt; the connection bus is electrically connected with the fixed conductive seat via a spring contact finger arranged inside the fixed conductive seat; and the insulated sleeve of the connection bus is inserted in the groove and covers the periphery of the fixed conductive seat. The bus connection structure disclosed by the utility model can be used in power transmission of the metering box, the insulation distance can be reduced, the size of the metering box is reduced, assembly and disassembly are convenient, and expansion is facilitated.
Description
Technical field
The utility model relates to a kind of metering cabinet, and particularly a kind of metering cabinet bus connection structure, belongs to electric equipment technical field.
Background technology
Along with the develop rapidly of China's electricity market, it is at the application increasing year by year of distribution system ring network power supply and terminal power transmission.In prior art, have a kind of metering cabinet, comprise cabinet and be arranged at current transformer and the voltage transformer in cabinet, connection bus stretches in cabinet and is electrically connected with current transformer by copper bus-bar.Its weak point is, tie point between connection bus and copper bus-bar is exposed in cabinet, main by the air insulated insulation in cabinet, this just require alternate and relatively between all require enough isolation distances, insulation property are not high on the one hand, can cause on the other hand cabinet overall dimension large, cause overall volume larger.
For solving the problems of the technologies described above, in prior art, design a kind of metering cabinet bus connection structure, use the cast of insulating material one to be connected current transformer, voltage transformer and connection bus.This bus connection structure is compared air insulation in the past, although insulation distance reduces to some extent, reduce the volume of metering cabinet, but much more extremely the syndeton of one cast causes inconvenience to later stage dismounting, maintenance, its assembling flexibility is also subject to larger restriction, inconvenience expansion, and consumptive material use is more, and cost is relatively high.
Utility model content
The purpose of this utility model is for deficiency of the prior art, and a kind of metering cabinet bus connection structure is provided, can effectively solve in prior art metering cabinet cabinet volume, poor, the dismounting of insulation property safeguards inconvenient technical problem.
The purpose of this utility model is achieved in that a kind of metering cabinet bus connection structure, comprise connection bus, metering cabinet and be arranged at current transformer and the voltage transformer in metering cabinet, described connection bus periphery is set with insulating case, described current transformer and voltage transformer are closed in respectively in the insulation shell of moulding by casting, on the insulation shell of described current transformer, offer groove, described connection bus is electrically connected with current transformer by the bus connecting device being arranged in groove; Described bus connecting device comprises the fixing conductive seat being fixedly connected with current transformer, and described fixing conductive seat is electrically connected with the inner conductive pile crown of current transformer by bolt; Described connection bus is electrically connected with fixing conductive seat by the spring touch finger being arranged in fixing conductive seat; The insulating case of described connection bus stretches in described groove and is coated on the periphery of fixing conductive seat.
Prior art is compared, the beneficial effects of the utility model are: connection bus is electrically connected with current transformer by bus connecting device, in ensureing good power delivery, have significantly improved the insulation property of tie point, reduce insulation distance, thereby reduced metering cabinet volume; Syndeton is simple, connected mode is reliable and easy accessibility, be beneficial to expansion.The utility model can be used for metering cabinet electric power carry in there is good insulation preformance, consumptive material is few, cost is low.
For further improving the reliability being connected between connection bus and current transformer, the link periphery of described insulating case is tapered contraction along end trend, and described groove matches and offers with the link of insulating case.
It is first that the external conductive pile crown of described current transformer is connected with cable, on the external conductive pile crown of described voltage transformer, is connected with cable end two, and described cable is first to be electrically connected by cable with cable end two.This syndeton, than the syndeton of one cast, has fully improved the electric conductivity between current transformer and voltage transformer, and be more convenient for later stage dismounting, maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is I place structure enlarged diagram in Fig. 1.
Wherein, 1 metering cabinet; 2 connection buss; 2a insulating case; 3 current transformers; 3a insulation shell; 3b inner conductive pile crown; 4 voltage transformers; 5 fixing conductive seats; 6 spring touch fingers; 7 bolts; 8 cables are first; 9 cable ends two; 10 cables.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, current transformer 3 and voltage transformer 4 are arranged in metering cabinet 1, and connection bus 2 peripheries are set with insulating case 2a, and current transformer 3 and voltage transformer 4 are closed in respectively in the insulation shell of moulding by casting.On the insulation shell 3a of current transformer 3, offer groove, bus connecting device is arranged in groove.Bus connecting device comprises the fixing conductive seat 5 being fixedly connected with current transformer 3, and fixing conductive seat 5 is electrically connected with the inner conductive pile crown 3b of current transformer 3 by bolt 7.Connection bus 2 inserts in fixing conductive seat 5, and is electrically connected with fixing conductive seat 5 by the spring touch finger 6 being arranged in fixing conductive seat 5.The insulating case 2a of connection bus 2 is coated on the periphery of fixing conductive seat 5, and the link periphery of insulating case 2a is tapered contraction along end trend, and offering that the link of groove and insulating case 2a matches is tapered.It is first 8 that the external conductive pile crown of current transformer 3 is connected with cable, on the external conductive pile crown of voltage transformer 4, is connected with cable end 29, and cable first 8 and cable end 29 are electrically connected by cable 10.
When the utility model assembling, first utilize bolt 7 that fixing conductive seat 5 is fixed in the groove of current transformer 3, ensure that fixing conductive seat 5 is reliably connected with the inner conductive pile crown 3b of current transformer 3, then spring touch finger 6 is placed in fixing conductive seat 5, finally connection bus 2 is inserted in fixing conductive seat 5, insulating case 2a outside connection bus 2 is pushed to the annular gap that fixing conductive seat 5 and groove form, assembling completes simultaneously.
The utility model is not limited to above-described embodiment; on the basis of the disclosed technical scheme of the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection range of the present utility model.
Claims (3)
1. a metering cabinet bus connection structure, comprise connection bus, metering cabinet and be arranged at current transformer and the voltage transformer in metering cabinet, described connection bus periphery is set with insulating case, described current transformer and voltage transformer are closed in respectively in the insulation shell of moulding by casting, it is characterized in that, on the insulation shell of described current transformer, offer groove, described connection bus is electrically connected with current transformer by the bus connecting device being arranged in groove; Described bus connecting device comprises the fixing conductive seat being fixedly connected with current transformer, and described fixing conductive seat is electrically connected with the inner conductive pile crown of current transformer by bolt; Described connection bus is electrically connected with fixing conductive seat by the spring touch finger being arranged in fixing conductive seat; The insulating case of described connection bus stretches in described groove and is coated on the periphery of fixing conductive seat.
2. metering cabinet bus connection structure according to claim 1, is characterized in that, the link periphery of described insulating case is tapered contraction along end trend, and described groove matches and offers with the link of insulating case.
3. metering cabinet bus connection structure according to claim 1 and 2, it is characterized in that, it is first that the external conductive pile crown of described current transformer is connected with cable, on the external conductive pile crown of described voltage transformer, be connected with cable end two, described cable is first to be electrically connected by cable with cable end two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005564.XU CN203774626U (en) | 2014-01-06 | 2014-01-06 | Bus connection structure used for metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005564.XU CN203774626U (en) | 2014-01-06 | 2014-01-06 | Bus connection structure used for metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774626U true CN203774626U (en) | 2014-08-13 |
Family
ID=51291779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005564.XU Expired - Lifetime CN203774626U (en) | 2014-01-06 | 2014-01-06 | Bus connection structure used for metering box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482342A (en) * | 2017-09-12 | 2017-12-15 | 南京帝开电气自动化有限公司 | A kind of bus tie |
-
2014
- 2014-01-06 CN CN201420005564.XU patent/CN203774626U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482342A (en) * | 2017-09-12 | 2017-12-15 | 南京帝开电气自动化有限公司 | A kind of bus tie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |