CN104426088A - Voltage transformer handcart - Google Patents
Voltage transformer handcart Download PDFInfo
- Publication number
- CN104426088A CN104426088A CN201310392641.1A CN201310392641A CN104426088A CN 104426088 A CN104426088 A CN 104426088A CN 201310392641 A CN201310392641 A CN 201310392641A CN 104426088 A CN104426088 A CN 104426088A
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- voltage
- contact arm
- mutual inducer
- voltage mutual
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
Abstract
The invention discloses a voltage transformer handcart. The voltage transformer handcart comprises a vehicle frame, a rocker-in mechanism, a voltage transformer, a spring, a high-pressure fuse, a plum blossom-shaped contact, a contact arm, a connected insulator, an aviation plug and a bog panel, wherein an observing window is formed in the big panel; the spring and the high-pressure fuse are arranged in the contact arm; the plum blossom-shaped contact is arranged on the end part of the contact arm; the contact arm is connected with the connected insulator. The voltage transformer handcart has the excellent effects that the voltage transformer handcart is suitable for a PT cabinet and a metering cabinet; as an independent drawing unit, the voltage transformer can flexibly go into/out of a power distributing system, and the normal operation of other equipment is not affected; the voltage transformer handcart is very convenient in repairing and low in failure rate and has good interchangeability.
Description
Technical field
The invention belongs to electric power system high-tension measurement field, be specifically related to a kind of voltage mutual inducer trolley.
Background technology
Voltage transformer is the equipment of measuring voltage in electric power system or electric control system, electric energy, in order to realize, switch cubicle is miniaturized and repair and maintenance is convenient, and be that metalwork connects, the physical dimension of various functional part all has strict restriction, otherwise can affect the overall performance of metering handcart.And installation and maintenance are loaded down with trivial details especially, electric connecting part is on the high side, adds a lot of qualifying point, hides some dangers for all can to the later security of operation of metering handcart.
Indoor alternating current high voltage voltage transformer is as measuring equipment indispensable in electric power system, and Main Function is for measuring the model collection with protecting control equipment, ensures that network system is normally run.High voltage potential transformer handcart, due to reliable in function, to be easy to usely used widely in electric power system.
Existing high voltage potential transformer handcart adopts three contacts to be connected with three phase mains bus in network system respectively.After high-voltage fuse, take star or V-arrangement to be connected with the primary side of high voltage potential transformer, gather voltage-type number on bus, main fuse is for the protection of voltage transformer.Voltage transformer primary side principal characteristic point many employings direct grounding way of installing in 10KV network system.If when needs improve operation of power networks quality, just need to carry out the process of harmonic elimination antivibration to electrical network, now can take through the earthing mode such as arc suppression coil or resistance at voltage transformer primary side principal characteristic point.And existing structure is by voltage transformer primary side neutral-point solid ground design, then neutral point cannot be drawn wiring.And existing voltage mutual inducer trolley complex structure, failure rate is high, maintenance is complicated.
Summary of the invention
The invention provides a kind of voltage mutual inducer trolley, with solve prior art voltage transformer structure not compact, overhaul loaded down with trivial details, that failure rate is high technical problem.
A kind of voltage mutual inducer trolley, described voltage mutual inducer trolley comprises vehicle frame and is arranged on Yao Jin mechanism on described vehicle frame, voltage transformer, spring, high-tension fuse, Mume flower contact, contact arm, disjunctor insulator, aviation plug and large panel, described large panel is provided with observation window, described spring and high-tension fuse are arranged in described contact arm, described Mume flower contact is arranged on the end of described contact arm, and described contact arm connects described disjunctor insulator.
Be preferably, described Yao Jin mechanism is feed screw nut Yao Jin mechanism.
Be preferably, the end abutment high-tension fuse of described spring.
Be preferably, described aviation plug is arranged on described voltage transformer.
In order to solve above technical problem, the technical scheme that the present invention takes is:
After employing technique scheme, voltage mutual inducer trolley of the present invention adopts upper and lower arrangement, effectively reduces the degree of depth of voltage mutual inducer trolley.The structural entity of voltage mutual inducer trolley is rationally distributed, attractive in appearance, simple, compact.The insulation property that disjunctor insulator is good, are placed within insulating cover by the high pressure end of incoming cables of voltage transformer, effectively ensure that the safe distance between voltage mutual inducer trolley and distribution system.Yao Jin mechanism adopts feed screw nut Yao Jin mechanism, has the advantages such as laborsaving, steady, self-locking performance is good, effectively can prevent artificial incorrect operation.The structure of disjunctor insulator has effectively isolated high tension loop and vehicle frame, ensure that voltage mutual inducer trolley has good insulation property.Contact arm is combined with Mume flower contact, and what meet voltage mutual inducer trolley joins cabinet requirement.The unique texture of contact arm, avoids high-tension fuse and is subject to external force collision and damages.And the urgent thrust of spring ensure that abundant conducting between high-tension fuse and Mume flower contact.Large panel meets the requirement of handcart degree of protection, and can monitor voltage mutual inducer trolley internal state at any time by observation window.And high-tension fuse can cut off overload and short circuit current by quick fuse, effectively protect voltage transformer.The measurement of voltage transformer and protective loop, plug conducting by aviation plug, connect reliably, plug conveniently.
Voltage mutual inducer trolley of the present invention is applicable to PT cabinet and metering cabinet, voltage transformer is as an independently tapping unit, can enter flexibly or exit distribution system, the normal operation of miscellaneous equipment can not be affected, overhaul very convenient, failure rate is low, voltage mutual inducer trolley has good interchangeability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of voltage mutual inducer trolley of the present invention;
Fig. 2 is the end view of voltage mutual inducer trolley of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1 to Figure 2, voltage mutual inducer trolley 100 is by vehicle frame 1 and be arranged on Yao Jin mechanism 2 on vehicle frame 1, voltage transformer 3, spring 4, high-tension fuse 5, Mume flower contact 6, contact arm 7, disjunctor insulator 8, aviation plug 9, large panel 10 and observation window 11 and form.Yao Jin mechanism 2 adopts feed screw nut Yao Jin mechanism, and Mume flower contact 6 is arranged on the end of contact arm 7, and spring 4 and high-tension fuse 5 are arranged on the inside of contact arm 7.And one end of spring 4 abuts high-tension fuse 5, thus ensure that abundant conducting between high-tension fuse 5 and Mume flower contact 6 electric-conductor.Contact arm 7 is connected with disjunctor insulator 8, and aviation plug 9 is arranged on voltage transformer 3, and the measuring circuit of voltage mutual inducer trolley 100 realizes voltage transformer 3 by the plug of aviation plug 9 and is connected conducting with the quick of high tension loop.Large panel 10 is arranged on the dead ahead of voltage mutual inducer trolley 100, and large panel 10 is provided with observation window 11, and operating personnel can working condition in Real Time Observation voltage mutual inducer trolley 100.Voltage mutual inducer trolley 100 adopts upper and lower arrangement, and voltage transformer 3 is arranged on the lower position of voltage mutual inducer trolley 100, and Mume flower contact 6 and contact arm 7 are arranged on the upper position of voltage mutual inducer trolley 100.
Voltage mutual inducer trolley 100, in the process measuring high tension loop, is connected conducting by Mume flower contact 6 with high tension loop, and high-tension fuse 5 fully can contact conducting with Mume flower contact 6 under spring 4 urgent pushes away active force.Disjunctor insulator 8 has good insulation property, thus ensure that the vehicle frame 1 of high tension loop and voltage mutual inducer trolley 100 insulate and isolate.Once test loop high voltage overload or high current overload, high-tension fuse 5 fuses, and disconnects high tension loop and voltage mutual inducer trolley 100, in order to avoid voltage mutual inducer trolley 100 is burnt out by high voltage.Aviation plug 9 achieve voltage transformer 3 as one independently measuring unit conveniently enter or exit power supply unit.
Voltage mutual inducer trolley 100 of the present invention adopts upper and lower arrangement, effectively reduces the degree of depth of voltage mutual inducer trolley 100.The structural entity of voltage mutual inducer trolley 100 is rationally distributed, attractive in appearance, simple, compact.The insulation property that disjunctor insulator 8 is good, are placed within insulating cover by the high pressure end of incoming cables of voltage transformer 3, effectively ensure that the safe distance between voltage mutual inducer trolley 100 and distribution system.Yao Jin mechanism 2 adopts feed screw nut Yao Jin mechanism, has the advantages such as laborsaving, steady, self-locking performance is good, effectively can prevent artificial incorrect operation.The structure of disjunctor insulator 8 has isolated high tension loop and vehicle frame 1, ensure that voltage mutual inducer trolley 100 has good insulation property.Contact arm 7 is combined with Mume flower contact 6, and what meet voltage mutual inducer trolley 100 joins cabinet requirement.Because the structure of contact arm 7 is unique, avoid high-tension fuse 5 and be subject to external force collision and damage.The urgent thrust of spring 4 ensure that abundant conducting between high-tension fuse 5 and Mume flower contact 6.Large panel 10 meets the requirement of handcart degree of protection, and operating personnel can real time monitoring voltage mutual inducer trolley 100 internal state by observation window 11.The fusing of high-tension fuse 5 can fast shut-off be transshipped and short circuit current, thus effective protection voltage transformer 3.The measurement of voltage transformer 3 and protective loop, utilize aviation plug 9 to plug conducting, and connect reliable, plug is convenient.
Voltage mutual inducer trolley 100 of the present invention is applicable to PT cabinet and metering cabinet, voltage transformer 3 is as an independently tapping unit, can enter flexibly or exit distribution system, the normal operation of miscellaneous equipment can not be affected, overhaul very convenient, failure rate is low, voltage mutual inducer trolley 100 has good interchangeability.
Last it is noted that above embodiment only illustrates technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a voltage mutual inducer trolley, it is characterized in that, described voltage mutual inducer trolley comprises vehicle frame and is arranged on Yao Jin mechanism on described vehicle frame, voltage transformer, spring, high-tension fuse, Mume flower contact, contact arm, disjunctor insulator, aviation plug and large panel, described large panel is provided with observation window, described spring and high-tension fuse are arranged in described contact arm, described Mume flower contact is arranged on the end of described contact arm, and described contact arm connects described disjunctor insulator.
2. voltage mutual inducer trolley according to claim 1, is characterized in that, described Yao Jin mechanism is feed screw nut Yao Jin mechanism.
3. voltage mutual inducer trolley according to claim 1, is characterized in that, the end abutment high-tension fuse of described spring.
4. voltage mutual inducer trolley according to claim 1, is characterized in that, described aviation plug is arranged on described voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392641.1A CN104426088A (en) | 2013-09-02 | 2013-09-02 | Voltage transformer handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392641.1A CN104426088A (en) | 2013-09-02 | 2013-09-02 | Voltage transformer handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104426088A true CN104426088A (en) | 2015-03-18 |
Family
ID=52974371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310392641.1A Pending CN104426088A (en) | 2013-09-02 | 2013-09-02 | Voltage transformer handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104426088A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552764A (en) * | 2015-12-31 | 2016-05-04 | 科润电力科技股份有限公司 | Middle-set-type switch cabinet handcart |
| CN106602448A (en) * | 2016-12-29 | 2017-04-26 | 重庆市东泰电器实业有限公司 | Metallic armored removable switch cabinet |
| CN110165594A (en) * | 2019-05-29 | 2019-08-23 | 中国电力科学研究院有限公司 | Metering cabinet voltage transformer live replacing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450280A (en) * | 1994-01-18 | 1995-09-12 | Powell Electrical Manufacturing Company | Voltage transformer disconnect grounding system |
| CN2775899Y (en) * | 2004-11-17 | 2006-04-26 | 益和电气集团股份有限公司 | Built-in voltage mutual inductor hand cart for fuse |
| CN101692540A (en) * | 2009-09-09 | 2010-04-07 | 吉林省金冠电气股份有限公司 | All-insulation shaking lightning arrester vehicle with plum blossom contact |
| CN102983525A (en) * | 2012-12-19 | 2013-03-20 | 上海人民电力设备股份有限公司 | Indoor combination vehicle of voltage transformer and arrester |
| CN203166378U (en) * | 2013-04-02 | 2013-08-28 | 山东泰开真空开关有限公司 | Novel 24kV voltage transformer handcart |
-
2013
- 2013-09-02 CN CN201310392641.1A patent/CN104426088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450280A (en) * | 1994-01-18 | 1995-09-12 | Powell Electrical Manufacturing Company | Voltage transformer disconnect grounding system |
| CN2775899Y (en) * | 2004-11-17 | 2006-04-26 | 益和电气集团股份有限公司 | Built-in voltage mutual inductor hand cart for fuse |
| CN101692540A (en) * | 2009-09-09 | 2010-04-07 | 吉林省金冠电气股份有限公司 | All-insulation shaking lightning arrester vehicle with plum blossom contact |
| CN102983525A (en) * | 2012-12-19 | 2013-03-20 | 上海人民电力设备股份有限公司 | Indoor combination vehicle of voltage transformer and arrester |
| CN203166378U (en) * | 2013-04-02 | 2013-08-28 | 山东泰开真空开关有限公司 | Novel 24kV voltage transformer handcart |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552764A (en) * | 2015-12-31 | 2016-05-04 | 科润电力科技股份有限公司 | Middle-set-type switch cabinet handcart |
| CN106602448A (en) * | 2016-12-29 | 2017-04-26 | 重庆市东泰电器实业有限公司 | Metallic armored removable switch cabinet |
| CN110165594A (en) * | 2019-05-29 | 2019-08-23 | 中国电力科学研究院有限公司 | Metering cabinet voltage transformer live replacing device and method |
| CN110165594B (en) * | 2019-05-29 | 2023-04-25 | 中国电力科学研究院有限公司 | Electrified replacement device and method for voltage transformer for metering cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150318 |
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| RJ01 | Rejection of invention patent application after publication |