CN201327959Y - Measuring trolley - Google Patents
Measuring trolley Download PDFInfo
- Publication number
- CN201327959Y CN201327959Y CNU2008202155613U CN200820215561U CN201327959Y CN 201327959 Y CN201327959 Y CN 201327959Y CN U2008202155613 U CNU2008202155613 U CN U2008202155613U CN 200820215561 U CN200820215561 U CN 200820215561U CN 201327959 Y CN201327959 Y CN 201327959Y
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- CN
- China
- Prior art keywords
- pedestal
- contact arm
- electrically connected
- current transformer
- metering
- 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
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Abstract
The utility model discloses a measuring trolley which is used for indoor put-aside AC metal enclosed switch equipment with rated voltage of 24kV for measuring and recording electrical power, belonging to the technical field of power distribution devices. The measuring trolley comprises a chassis truck, a pedestal, a current transformer, a voltage transformer, a fuse and an upper contact arm component and a lower contact arm component; wherein the pedestal is fixed on the chassis truck; the current transformer is fixed at the upper part of the pedestal, with the secondary wiring terminal in the downward direction; and the voltage transformer is fixed at the lower part of the pedestal, with the secondary wiring terminal in the upward direction. The measuring trolley is characterized in that one end of the current transformer is electrically connected with the upper contact arm component while the other end is electrically connected with the lower contact arm component; and one end of the fuse is electrically connected with the lower contact arm component while the other end is electrically connected with the voltage transformer. The measuring trolley has the advantages of simple structure, small volume, low manufacturing cost and good insulation. Besides, the utility model can increase the overall intensity of the measuring trolley, meet the requirement of matching with various valve mechanisms and strengthen the insulating intensity of the trolley to the cabinet.
Description
Technical field
The utility model relates to a kind of metering dolly, and particularly supporting is metering dolly on the indoor withdraw-type ac metal closing switch gear of 24kV in rated voltage, is used for measurement and record to electric energy, belongs to power distribution device technique field.
Background technology
Each element that is used for electric energy is measured and write down in the indoor withdraw-type ac metal closing switch gear of existing 24kV, comprise current transformer, voltage transformer and fuse etc., can only disperse to be installed in the cabinet of switchgear, it is big to take up room, structure is not compact, being electrically connected between each element and between inner other elements of each element and cabinet is tediously long, maintenance and to change difficulty big, and potential safety hazard is many.
China utility model patent Granted publication CN2501227Y, disclose name and be called " a kind of metering handcart that has current transformer, voltage transformer and protection fuse "; it is that current transformer, voltage transformer and the fuse that will measure usefulness all are integrated on the dolly; can integral body pull out or push switchgear, help overhauling and the quick and safety when safeguarding.But, the disclosed metering dolly of this patent documentation can only use in the 10kV high-tension switch cabinet, promptly can only measure and record the electric energy of 10kV distribution system, and can't realize the electric energy of 24kV distribution system is measured and record, reason is the current transformer that is applied in the 24kV distribution system, the volume of voltage transformer and protection fuse can increase along with the increase of electric pressure, must guarantee the electric insulation distance between above-mentioned each element simultaneously again, therefore be difficult to current transformer, voltage transformer and protection fuse all are contained in the limited space of dolly; In addition, the disclosed contact arm fuse of this patent documentation support, current transformer, voltage transformer all adopt dedicated devices, rather than the general-purpose device on the market, cause the cost of manufacture height, and limitation is big.
Summary of the invention
The metering dolly that provides the current transformer that will measure usefulness, voltage transformer and fuse in a kind of 24kV of being applied in withdraw-type ac metal closing switch gear all to integrate is provided the purpose of this utility model.
The purpose of this utility model is to realize like this, a kind of metering dolly, comprise chassis car 1, pedestal 5, current transformer 6, voltage transformer 2, fuse 11 and last, following contact arm assembly 7,9, described pedestal 5 is fixed on the chassis car 1, described current transformer 6 is fixed on the top of pedestal 5 with its secondary connection terminal 62 downward directions, the direction that described voltage transformer 2 makes progress with its secondary connection terminal 21 is fixed on the bottom of pedestal 5, be characterized in: an end 61 of described current transformer 6 is electrically connected with last contact arm assembly 7, the other end 63 of current transformer 6 is electrically connected with following contact arm assembly 9, one end of described fuse 11 is electrically connected with following contact arm assembly 9, and the other end of fuse 11 is electrically connected with voltage transformer 2.
The utility model is coated with insulating barrier 72 respectively in the outside of described upper and lower contact arm assembly 7,9.
The utility model also is equipped with the instrument box 4 that is used to hold measuring instrument and low-voltage device on described chassis car 1, this instrument box 4 is connected with described pedestal 5.
The utility model also is equipped with valve push pedal 3 on described pedestal 5.
Valve push pedal 3 described in the utility model is fixed on the wing limit 51 of pedestal 5 both sides.
On the wing described in the utility model limit 51 insulating barrier 8 is installed.
The utility model is because after adopting said structure, one of advantage that has, current transformer, voltage transformer and molten end-apparatus are integrated by pedestal, constitute the metering dolly, preferably, the utility model electrically contacts part with contact arm assembly non-and coats with insulating barrier, makes the simple in structure and insulation property of contact arm assembly and reliability obtain bigger raising, has reduced manufacturing cost, and making the more compact structure of whole dolly, volume is littler; Advantage two, the instrument box that is used to hold measuring instrument and low-voltage device is installed in the chassis car, and be connected, thereby can improve the bulk strength of metering dolly with pedestal; Advantage three, be provided with the strengthening wing limit in the pedestal both sides, the valve push pedal can select different height mounted thereto, can satisfy the requirement that cooperates with various valve mechanisms; Advantage four, on wing limit, insulating barrier is installed, to strengthen the dielectric strength of dolly to cabinet.
Description of drawings
Fig. 1 is an example structure schematic diagram of the present utility model.
Fig. 2 is the assembling schematic diagram of chassis of the present utility model car, pedestal, instrument box.
Fig. 3 is an assembling schematic diagram of going up contact arm assembly and current transformer of the present utility model.
Embodiment
For the ease of the auditor of Patent Office particularly the public can be well understood to technical spirit of the present utility model and beneficial effect more; the spy reaches embodiment in conjunction with the accompanying drawings embodiment of the present utility model is described in detail as follows; but all descriptions to embodiment all do not constitute the restriction to the technical solution of the utility model, and are any pro forma but not substantial equivalence is replaced even the name of vocabulary of terms such as Reference numeral is called conceptual variation all should be considered as technical scheme scope disclosed in the utility model and the prescription protection.
See also Fig. 1, the utility model metering dolly comprises chassis car 1, instrument box 4, valve push pedal 3, pedestal 5, upper and lower contact arm assembly 7,9, current transformer 6, voltage transformer 2 and fuse 11.Instrument box 4 is fixed on the chassis car 1, and is positioned at the metering dolly in the front portion of depth direction, is used to hold measuring instrument and low-voltage device.Pedestal 5 is installed on the chassis car 1, and is positioned at the metering dolly at the middle part of depth direction, interconnect between pedestal 5 and the instrument box 4 fixing, thereby the vehicle frame (as Fig. 2) that chassis car 1, instrument box 4, pedestal 5 threes are formed has very high bulk strength.Current transformer 6 is fixedly mounted on the pedestal 5 with its secondary connection terminal 62 downward directions and is positioned at the top of pedestal 5 short transverses, the direction that voltage transformer 2 makes progress with its secondary connection terminal 21 is fixedly mounted on the pedestal 5 and is positioned at the bottom of pedestal 5 short transverses, this mounting means can guarantee to leave enough big space in the middle of voltage transformer 2 summation current transformers 6, and this space is as the service area of secondary connection.In the instrument box 4 kilowatt-hour meter can be installed, the secondary connection terminal 62,21 of current transformer 6 and voltage transformer 2 is connected with the kilowatt-hour meter of 4 li of instrument boxs.
See also Fig. 3, end of going up contact arm assembly 7 described in the utility model is provided with flange 71, can realize being electrically connected of contact arm assembly 7 and current transformer one end 61 by flange 71, last contact arm assembly 7 non-electrically contacts part and coats with insulating barrier 72, make the structure of contact arm assembly very simple and practical, insulation property and reliability obtain bigger raising, have reduced manufacturing cost, and making the more compact structure of whole dolly, volume is littler.Please continue to consult Fig. 1, the end of down contact arm assembly 9 described in the utility model is provided with flange 91, can realize down being electrically connected of contact arm assembly 9 and the current transformer other end 63 by flange 91.Copper adaptor 10 is installed on flange 91, can realizes and being electrically connected of fuse 11 seats of honour by copper adaptor 10.Following of fuse 11 is passed through copper adaptor 13 and realizes being electrically connected with the terminal 22 of voltage transformer 2.Equally, electrically contact part following contact arm assembly 9 non-and coat with insulating barrier 72, the terminal 22 of 11 times seats of fuse, voltage transformer 2 and copper adaptor 13 are insulated cover 12 and contain, and guarantee electrified body and the bottom of pedestal 5 and the dielectric strength of sidepiece.
See also Fig. 2, pedestal described in the utility model 5 both sides are provided with strengthening wing limit 51, and described valve push pedal 3 is fixedly mounted on the outside on strengthening wing limit 51, and can select different setting height(from bottom)s, can satisfy the requirement that cooperates with various valve mechanisms.On the inboard on strengthening wing limit, both sides 51, insulating barrier 8 is installed, to strengthen the dielectric strength of dolly to cabinet.
Claims (6)
1, a kind of metering dolly, comprise chassis car (1), pedestal (5), current transformer (6), voltage transformer (2), fuse (11) and last, following contact arm assembly (7,9), described pedestal (5) is fixed on the chassis car (1), described current transformer (6) is fixed on the top of pedestal (5) with the downward direction of its secondary connection terminal (62), the direction that described voltage transformer (2) makes progress with its secondary connection terminal (21) is fixed on the bottom of pedestal (5), an end (61) that it is characterized in that described current transformer (6) is electrically connected with last contact arm assembly (7), the other end (63) of current transformer (6) is electrically connected with following contact arm assembly (9), one end of described fuse (11) is electrically connected with following contact arm assembly (9), and the other end of fuse (11) is electrically connected with voltage transformer (2).
2, metering dolly according to claim 1 is characterized in that being coated with insulating barrier (72) respectively in the outside of described upper and lower contact arm assembly (7,9).
3, metering dolly according to claim 1 is characterized in that also being equipped with the instrument box (4) that is used to hold measuring instrument and low-voltage device on described chassis car (1), this instrument box (4) is connected with described pedestal (5).
4, metering dolly according to claim 1 is characterized in that also being equipped with valve push pedal (3) on described pedestal (5).
5, metering dolly according to claim 4 is characterized in that described valve push pedal (3) is fixed on the wing limit (51) of pedestal (5) both sides.
6, metering dolly according to claim 5 is characterized in that being equipped with on the described wing limit (51) insulating barrier (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202155613U CN201327959Y (en) | 2008-12-09 | 2008-12-09 | Measuring trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202155613U CN201327959Y (en) | 2008-12-09 | 2008-12-09 | Measuring trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327959Y true CN201327959Y (en) | 2009-10-14 |
Family
ID=41179921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202155613U Expired - Lifetime CN201327959Y (en) | 2008-12-09 | 2008-12-09 | Measuring trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327959Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420396A (en) * | 2011-12-28 | 2012-04-18 | 法泰电器（江苏）股份有限公司 | Armored removable alternating-current switch metal closed metering cabinet |
| CN102709829A (en) * | 2012-06-14 | 2012-10-03 | 常熟市中源电力设备有限公司 | Measuring trolley |
| CN103941051A (en) * | 2014-04-08 | 2014-07-23 | 武汉国测恒通智能仪器有限公司 | Charged pluggable high voltage electric energy metering device and method |
| CN105406385A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Potential transformer (PT) trolley and power distribution cabinet provided with same |
| CN108872656A (en) * | 2018-09-12 | 2018-11-23 | 南京开关厂有限公司 | A kind of electric energy metering device |
-
2008
- 2008-12-09 CN CNU2008202155613U patent/CN201327959Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420396A (en) * | 2011-12-28 | 2012-04-18 | 法泰电器（江苏）股份有限公司 | Armored removable alternating-current switch metal closed metering cabinet |
| CN102709829A (en) * | 2012-06-14 | 2012-10-03 | 常熟市中源电力设备有限公司 | Measuring trolley |
| CN103941051A (en) * | 2014-04-08 | 2014-07-23 | 武汉国测恒通智能仪器有限公司 | Charged pluggable high voltage electric energy metering device and method |
| CN105406385A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Potential transformer (PT) trolley and power distribution cabinet provided with same |
| CN108872656A (en) * | 2018-09-12 | 2018-11-23 | 南京开关厂有限公司 | A kind of electric energy metering device |
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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 |
Granted publication date: 20091014 |
|
| CX01 | Expiry of patent term |