CN203552921U - Voltage transformer provided with plum blossom contact device and used for wheelbarrow - Google Patents
Voltage transformer provided with plum blossom contact device and used for wheelbarrow Download PDFInfo
- Publication number
- CN203552921U CN203552921U CN201320673591.XU CN201320673591U CN203552921U CN 203552921 U CN203552921 U CN 203552921U CN 201320673591 U CN201320673591 U CN 201320673591U CN 203552921 U CN203552921 U CN 203552921U
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- CN
- China
- Prior art keywords
- mume flower
- flower contact
- voltage transformer
- band
- contact device
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- Expired - Fee Related
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Abstract
The utility model relates to high voltage measurement or relay protection equipment of an electrical power system, in particular to a voltage transformer provided with a plum blossom contact device and used for a wheelbarrow. An iron core, a primary winding, a secondary winding, a primary fuse, a fuse insulating cylinder and a secondary connector are poured to be of an integrated structure through epoxy resin, wherein the integrated structure is integrally installed on an installation base board, and a primary connection terminal connected with the primary winding is provided with the plum blossom contact device. The voltage transformer has the advantages of being simple in structure, complete in function, safe in operation, high in mechanical strength, stable in insulation and easy to maintain.
Description
Technical field
The utility model relates to electric power system high-tension measurement or relay protection device, specifically band Mume flower contact formula voltage transformer for a kind of handcart.
Background technology
Voltage transformer is measuring voltage in electric power system or electric control system, the equipment of electric energy, convenient in order to realize switch cubicle miniaturization and repair and maintenance, conventionally adopt the design form of voltage mutual inducer trolley, existing voltage mutual inducer trolley form is: be mainly by chassis vehicle, voltage transformer, insulation column, external fuse, contact arm, the compositions such as Mume flower contact, building block is more, size and insulation quality require very strict, during installation and maintenance, compare more complicated, qualifying point is very many, otherwise can affect the overall performance of voltage mutual inducer trolley, can fail safe bury hidden danger to metering handcart actual motion, this with Mume flower contact formula voltage transformer just in line with brief, insulation is reliable, the design principle of handling safety, easy care, economy and the new generation product developed.
Utility model content
In order to change the present situation that existing voltage mutual inducer trolley parts are many, installation and maintenance are loaded down with trivial details, the utility model provide a kind of adopt that epoxide resin vacuum cast forms simple in structure, function complete, handling safety, mechanical strength are high, the novel voltage mutual inductor with Mume flower contact formula of safeguarding is stablized, is easy in insulation.
The technical scheme that the utility model adopted is for achieving the above object: band Mume flower contact formula voltage transformer for a kind of handcart, iron core, winding, secondary winding, fuse, fuse insulating cylinder, a secondary connection seat are integral type structure by poured with epoxy resin, described integral structure integral installation, on mounting base, connects the primary connection terminal of a described winding for having Mume flower contact device.
Described Mume flower contact device is by resin bushing and the front end that is bolted to fuse insulating cylinder.
Described bolt is placed in the inner chamber root of described insulating resin sleeve, and is connected with the metal Mume flower contact of described Mume flower contact device.
Described fuse insulating cylinder is level and is positioned at the upper end of described integral structure.
Described fuse insulating cylinder is cylindrical structure near one end of Mume flower contact device, and the other end is cube structure.
The outside that described fuse insulating cylinder is the part of cube structure is evenly distributed with the first full skirt.
Described secondary connection seat is positioned at the below of described integral structure, and its outside is with secondary protection cover.
Described integral structure is evenly distributed with the second full skirt in the top position of described secondary protection cover.
The utlity model has following advantage and beneficial effect:
1, simple in structure, function is complete: optimizing structure design, the Mume flower contact device that handcart is used is directly installed the integral structure on instrument transformer, product structure is compacter simple, integrate the various functions such as fuse protection, contact arm, handcart electric installation, be more applicable for supporting the use of novel voltage mutual inductor handcart;
2, handling safety, mechanical strength are high: while installing and using, only instrument transformer need be arranged in handcart according to phase sequence, not need to install additional especially other various electric fittings, fixed form adopts integral structure batch production to complete, guarantee handcart operation safe, mechanical strength is high.
3, insulation stablizes, is easy to safeguard: adopt that epoxide resin material is integrated poured forms, insulation is reliable, has saved electric connecting part on the high side, has effectively avoided a lot of hidden danger of quality from designing, and guarantees handcart operation safe; Simpler during product maintenance, do not need special maintenance work.
Accompanying drawing explanation
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure left view;
Fig. 3 is the utility model internal structure schematic diagram.
Wherein, 1, iron core; 2, a winding; 3, secondary winding; 4, a fuse; 5, fuse insulating cylinder; 6, secondary connection seat; 7, mounting base; 8, Mume flower contact device; 9, resin bushing; 10, bolt; 11, the first full skirt; 12, secondary protection cover; 13, the second full skirt.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-3, product secondary winding 3 is contained on 1 post unshakable in one's determination around an insulation framework upper rear set with winding 2 is concentric, after insulation and buffering wrapping, be fixed in casting mold, connect again a winding and connect inserts with fuse, connect secondary connection, adjust insulation distance, adopt epoxide resin vacuum cast cured explosive to form, last integral installation, on a mounting base 7, is then installed in Mume flower contact device 8 on primary connection terminal, and integral structure completes.The Mume flower contact device 8 of primary connection terminal for rear end be insulating resin sleeve 9 structures, entirety has stronger mechanical strength and insulated enclosure effect, its inner chamber root is provided with the bolt 10 being connected with metal Mume flower contact metal, guarantees to have reliable electrical connection and mechanical connection.The Mume flower contact device 8 of primary connection terminal adopts resin bushing 9 inner chamber bolts 10 to be fixed on the front end of fuse insulating cylinder 5, can require according to handcart the length of adjusting device, realizes the smooth installation with handcart cabinet.The insulating cylinder 5 that envelope is put a fuse is level and is positioned at integral structure upper end, except the cooperation that facilitates Mume flower contact device 8 is installed, and facilitates the replacing dismounting of fuse.The insulating cylinder 5 of fuse is cylindrical structure near Mume flower contact device 8 ends, guarantees and the installation that coordinates of Mume flower contact sleeve, and rear end is cube structure, and is evenly equipped with the first full skirt 1, effectively strengthens the insulation distance of HV Terminal rival car housing.Secondary connection seat 6 is positioned at position, product front lower place, and with secondary protection cover 12, for time handcart secondary cable arrange and anti-electricity-theft sealing, its top integrated device be provided with the second uniform full skirt 12, effectively strengthen the insulation distance on HV Terminal rival car chassis.
While installing and using, first fuse is packed in fuse insulating cylinder, then utilize bolt thread to be fixed on the front end of insulating cylinder in Mume flower contact device, the mounting panel that utilizes instrument transformer according to handcart phase sequence apart from instrument transformer being contained in successively on the chassis vehicle of metering handcart, finally carry out being connected of secondary line cable and Secondary socket, and install secondary anti-fraudulent use of electricity protective cover 14 additional, metering handcart assembly work completes.
The utility model contact-finger type voltage transformer is a kind of new product designing according to national standard and metering handcart switch cubicle technical requirement completely; employing rolls iron core; utilize electromagnetic conversion principle; make secondary voltage can reflect exactly the situation of change of primary voltage, as voltage measurement and relaying protection, use.
Small product size is little, function is complete, easy for installation, be easy to safeguard, insulation is stable, handling safety, has more promoted the designing and manufacturing level of voltage mutual inducer trolley.
Claims (8)
1. a band Mume flower contact formula voltage transformer for handcart, iron core (1), a winding (2), secondary winding (3), a fuse (4), fuse insulating cylinder (5), secondary connection seat (6) are integral type structure by poured with epoxy resin, described integral structure integral installation is on mounting base (7), it is characterized in that, connect the primary connection terminal of a described winding (2) for thering is Mume flower contact device (8).
2. band Mume flower contact formula voltage transformer for handcart according to claim 1, is characterized in that, described Mume flower contact device (8) is fixed on the front end of fuse insulating cylinder (5) by resin bushing (9) and bolt (10).
3. band Mume flower contact formula voltage transformer for handcart according to claim 2, is characterized in that, described bolt (10) is placed in the inner chamber root of described insulating resin sleeve (9), and is connected with the metal Mume flower contact of described Mume flower contact device (8).
4. band Mume flower contact formula voltage transformer for handcart according to claim 1, is characterized in that, described fuse insulating cylinder (5) is level and is positioned at the upper end of described integral structure.
5. band Mume flower contact formula voltage transformer for handcart according to claim 1, is characterized in that, described fuse insulating cylinder (5) is cylindrical structure near one end of Mume flower contact device (8), and the other end is cube structure.
6. band Mume flower contact formula voltage transformer for handcart according to claim 5, is characterized in that, the outside that described fuse insulating cylinder (5) is the part of cube structure is evenly distributed with the first full skirt (11).
7. band Mume flower contact formula voltage transformer for handcart according to claim 1, is characterized in that, described secondary connection seat (6) is positioned at the below of described integral structure, and its outside is with secondary protection cover (12).
8. band Mume flower contact formula voltage transformer for handcart according to claim 1, is characterized in that, described integral structure is evenly distributed with the second full skirt (13) in the top position of described secondary protection cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673591.XU CN203552921U (en) | 2013-10-28 | 2013-10-28 | Voltage transformer provided with plum blossom contact device and used for wheelbarrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673591.XU CN203552921U (en) | 2013-10-28 | 2013-10-28 | Voltage transformer provided with plum blossom contact device and used for wheelbarrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552921U true CN203552921U (en) | 2014-04-16 |
Family
ID=50471002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320673591.XU Expired - Fee Related CN203552921U (en) | 2013-10-28 | 2013-10-28 | Voltage transformer provided with plum blossom contact device and used for wheelbarrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223701A1 (en) * | 2018-05-21 | 2019-11-28 | 中国电力科学研究院有限公司 | New indoor intelligent high-voltage vacuum circuit breaker |
| CN111986966A (en) * | 2020-08-13 | 2020-11-24 | 安徽明玑电力设备有限公司 | High-voltage current-limiting fuse |
-
2013
- 2013-10-28 CN CN201320673591.XU patent/CN203552921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223701A1 (en) * | 2018-05-21 | 2019-11-28 | 中国电力科学研究院有限公司 | New indoor intelligent high-voltage vacuum circuit breaker |
| CN111986966A (en) * | 2020-08-13 | 2020-11-24 | 安徽明玑电力设备有限公司 | High-voltage current-limiting fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140416 Termination date: 20211028 |