CN108258608B - Solid insulation measurement cabinet - Google Patents
Solid insulation measurement cabinet Download PDFInfo
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- CN108258608B CN108258608B CN201711352848.0A CN201711352848A CN108258608B CN 108258608 B CN108258608 B CN 108258608B CN 201711352848 A CN201711352848 A CN 201711352848A CN 108258608 B CN108258608 B CN 108258608B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
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- Testing Relating To Insulation (AREA)
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a solid insulation metering cabinet, which is applied to 35KV switchgear and comprises: the device comprises a cabinet body, a cable chamber, a mechanism chamber, a cable tee joint and an insulation cylinder, wherein an isolation screw rod in the insulation cylinder converts the rotary motion of an isolation transmission box in the mechanism chamber into upward linear motion, so that an isolation knife is driven to be communicated with an inlet wire insert and an outlet wire insert simultaneously, and the metering function is realized; the insulating cylinder and the quadratic element who is connected through the cable tee bend all use epoxy to seal admittedly and coat the conducting layer on its surface as solid insulating medium, one of them makes the cabinet body width dimension and the volume of measurement cabinet all dwindle greatly, thereby realized the miniaturization of 35KV solid insulation measurement cabinet, transportation to the later stage, the maintenance, a great deal of restriction in installation and application place, its two is for having the project of cabinet combination demand to facilitate, its three divide into independent module with each part, be convenient for spare part's installation and dismantlement, its four is through coating the conducting layer, make its surperficial tangible, be less than 20PC with whole cabinet partial value, the protection level and the security of measurement cabinet have been improved greatly.
Description
Technical Field
The application relates to the technical field of 35KV high-voltage switch cabinets, in particular to a solid insulation metering cabinet.
Background
The metering cabinet is an important high-voltage switch cabinet in power equipment, and metering of electric quantity parameters of primary side current voltage is realized by measuring secondary side voltage. The main insulation forms of the 35KV metering cabinet on the market are SF6 gas insulation and air insulation, but SF6 gas and air have some defects as an insulation medium: firstly, the cabinet body is large in width and volume, so that the cabinet body is limited in application fields and difficult to combine in the later period; secondly, the replacement of parts is inconvenient due to high space occupancy; and thirdly, the metering cabinet using air as a main insulating medium has low protection grade and poor safety.
Through the analysis, the existing 35KV metering cabinet lacks a metering cabinet which is small in cabinet body, easy to combine, convenient to replace parts and safe and reliable.
Disclosure of Invention
The invention aims to provide a solid insulation metering cabinet to solve the defects in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a solid insulation measurement cabinet, is applied to in 35 KV's switchgear, includes the cabinet body, still includes: cable chamber, mechanism's room, the cable tee bend, an insulating cylinder, wherein:
the mechanism chamber is used for placing an isolation power mechanism and an isolation transmission case, and the isolation power mechanism and the isolation transmission case are connected with each other and used for providing power for the motion of the isolation transmission case;
a voltage transformer and a current transformer are arranged in the cable chamber, and the current transformer is connected with the voltage transformer through the cable tee;
the insulation cylinder takes epoxy resin as a solid insulation medium, an incoming line insert and an outgoing line insert are fixed on the inner side of a cavity of the insulation cylinder, and the outgoing line insert is connected with the current transformer and the voltage transformer through the cable tee;
an isolation knife and an isolation screw rod are arranged at the inner side of the cavity of the insulation cylinder, the isolation screw rod is connected with the isolation transmission case, and the isolation screw rod is used for realizing self movement by means of the movement of the isolation transmission case;
the isolation knife is fixed on the isolation screw rod, and the isolation knife is used for simultaneously communicating with the inlet wire insert and the outlet wire insert when the isolation screw rod moves upwards, so that the current transformer and the voltage transformer measure the secondary side voltage of the metering cabinet.
Further, the outer side of the cavity of the insulating cylinder is coated with a conducting layer, and the conducting layer is used for homogenizing an electric field.
Furthermore, the number of the insulating cylinders is three, and the insulating cylinders are arranged corresponding to three-phase power in the 35KV switchgear.
Furthermore, the connection among the cable tee joint, the current transformer, the voltage transformer and the outgoing line insert is fixedly sealed by adopting a solid insulating medium.
Further, the solid insulation measuring cabinet also comprises an instrument room for placing secondary elements.
Further, the solid insulation measuring cabinet further comprises a small bus chamber for placing a cabinet-combining bus of the secondary wiring.
The invention provides a solid insulation metering cabinet, which is applied to 35KV switchgear and comprises: the device comprises a cabinet body, a cable chamber, a mechanism chamber, a cable tee joint and an insulation cylinder, wherein an isolation screw rod in the insulation cylinder converts the rotary motion of an isolation transmission box in the mechanism chamber into upward linear motion, so that an isolation knife is driven to be communicated with an inlet wire insert and an outlet wire insert simultaneously, and the metering function is realized; the insulating cylinder and the quadratic element who is connected through the cable tee bend all use epoxy to seal admittedly and coat the conducting layer on its surface as solid insulating medium, one of them makes the cabinet body width dimension and the volume of measurement cabinet all dwindle greatly, thereby realized the miniaturization of 35KV solid insulation measurement cabinet, transportation to the later stage, the maintenance, a great deal of restriction in installation and application place, its two is for having the project of cabinet combination demand to facilitate, its three divide into independent module with each part, be convenient for spare part's installation and dismantlement, its four is through coating the conducting layer, make its surperficial tangible, be less than 20PC with whole cabinet partial value, the protection level and the security of measurement cabinet have been improved greatly.
Drawings
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Fig. 1 is a schematic front view of a solid insulation measuring cabinet according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a right side structure of a solid insulation measuring cabinet according to an embodiment of the present invention;
illustration of the drawings: 1-a cable chamber; 2-isolating the transmission case; 3-isolating screw rod; 4-an outgoing line insert; 5-isolating knife; 6-an inlet wire insert; 7-cable tee joint; 8-a current transformer; 9-a voltage transformer; 10-an isolation mechanism; 11-a mechanism chamber; 12-instrument room; 13-small bus bar room; 14-an insulating cylinder; 15-cabinet body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.
Aiming at the problems in the prior art, the invention provides a solid insulation metering cabinet, which is applied to 35KV switchgear, as shown in fig. 1 and fig. 2, the solid insulation metering cabinet comprises a cable chamber 1, a mechanism chamber 11, a cable tee 7, an insulation cylinder 14 and a cabinet body 15, and the specific description is as follows:
(1) a mechanism chamber 11.
The mechanism chamber 11 is used for placing an isolation power mechanism and an isolation transmission case 2, the isolation power mechanism is connected with the isolation transmission case 2, and the isolation transmission mechanism is used for providing power for the motion of the isolation transmission case 2.
In this embodiment, the isolation power mechanism drives the isolation transmission case 2 connected to the isolation power mechanism to perform a rotary motion, the isolation transmission case 2 drives the isolation screw rod 3 connected to the isolation transmission case to perform a vertical linear motion while performing the rotary motion, and the isolation screw rod 3 drives the isolation knife 5 fixed to the upper end to disconnect or connect with the incoming line insert 6 and the outgoing line insert 4 while performing the vertical linear motion.
(2) A cable chamber 1.
And a voltage transformer 9 and a current transformer 8 are arranged in the cable chamber 1, and the current transformer 8 is connected with the voltage transformer 9 through the cable tee 7.
Further, as shown in fig. 1, the cable tee 7, the current transformer 8, the voltage transformer 9 and the outgoing line insert 4 are all sealed by solid insulating media.
The current transformer 8 is connected with the next isolated switch device through a cable tee 7, and the cable tee 7 is an outgoing cable tee 7.
In the embodiment, the current transformer 8 and the voltage transformer 9 are fixedly sealed with the cable tee 7 connected with the current transformer and the voltage transformer by adopting solid insulating media, so that the width size and the volume of the cabinet body 15 of the metering cabinet are greatly reduced, miniaturization is realized, and convenience is provided for later transportation, maintenance and installation; meanwhile, the voltage transformer 9 and the current transformer 8 are designed independently, so that the structure inside the cabinet body 15 is more compact, and the connection mode is safe and reliable.
(3) An insulating cylinder 14.
As shown in fig. 1, the insulation cylinder 14 uses epoxy resin as a solid insulation medium, an incoming line insert 6 and an outgoing line insert 4 are fixed on the inner side of the cavity of the insulation cylinder 14, and the outgoing line insert 4 is connected with the current transformer 8 and the voltage transformer 9 through the cable tee 7.
An isolation knife 5 and an isolation screw rod 3 are arranged at the inner side of the cavity of the insulation cylinder 14, the isolation screw rod 3 is connected with the isolation transmission case 2, and the isolation screw rod 3 is used for realizing self movement by means of the movement of the isolation transmission case 2;
the isolation knife 5 is fixed on the isolation screw rod 3, and the isolation knife 5 is used for being communicated with the incoming line insert 6 and the outgoing line insert 4 when the isolation screw rod 3 moves upwards, so that the current transformer 8 and the voltage transformer 9 can measure the secondary side voltage of the metering cabinet.
The insulating cylinder 14 is formed by casting epoxy resin, and the epoxy resin is used as a solid insulating medium. The inlet wire insert 6 and the outlet wire insert 4 are both embedded in the cavity of the insulating cylinder 14, and the central axis of the inlet wire insert 6 is perpendicular to the central axis of the outlet wire insert 4.
Wherein, the isolation knife 5 moves up and down in the cavity of the insulation cylinder 14 along with the isolation screw rod 3. When the isolation knife 5 moves to the on-line position, the isolation knife 5 is simultaneously communicated with the incoming line insert 6 and the outgoing line insert 4, so that the metering cabinet and the next spaced switch device form a passage, the current transformer 8 and the voltage transformer 9 measure the secondary side voltage of the metering cabinet, the metering of the primary side current and the primary side voltage is realized through the secondary side voltage, and the metering work is completed.
Further, the outside of the cavity of the insulating cylinder 14 is coated with a conductive layer for uniform electric field.
Further, as shown in fig. 2, the number of the insulating cylinders 14 is three, and the three insulating cylinders are provided corresponding to three-phase power in a 35KV switchgear.
In the embodiment, the insulating cylinder 14 and the conductive layer coated on the surface thereof greatly reduce the width and the volume of the cabinet body 15 of the metering cabinet, thereby realizing the miniaturization of the 35KV solid insulating metering cabinet and solving various limitations on transportation, maintenance, installation and application fields in the later period; the miniaturization of the metering cabinet also provides convenience for items with cabinet combination requirements; each part is divided into independent modules, so that the parts are convenient to mount and dismount; through coating the conducting layer, make its surface touchable, be less than 20PC with whole cabinet partial discharge value, improved the protection level and the security of measurement cabinet greatly.
Further, as shown in fig. 2, the solid insulation measuring cabinet further comprises an instrument room 12 for placing secondary elements.
Further, as shown in fig. 2, the solid insulation metering cabinet further includes a small bus chamber 13 for placing a combined bus of the secondary wiring.
The invention provides a solid insulation metering cabinet, which is applied to 35KV switchgear and comprises: the cabinet body 15, the cable chamber 1, the mechanism chamber 11, the cable tee 7 and the insulating cylinder 14, wherein an isolation screw rod 3 in the insulating cylinder 14 converts the rotary motion of an isolation transmission case 2 in the mechanism chamber 11 into upward linear motion, so that an isolation knife 5 is driven to be communicated with an incoming line insert 6 and an outgoing line insert 4 simultaneously, and the metering function is realized; insulating cylinder 14 and the secondary component that is connected through cable tee 7 all use epoxy to seal admittedly and coat the conducting layer on its surface as solid insulating medium, one of them makes 15 width dimensions and the volume of the cabinet body of measurement cabinet all reduce greatly, thereby realized the miniaturization of 35KV solid insulation measurement cabinet, solved the transportation to the later stage, the maintenance, many restrictions of installation and application place, its two has provided convenience for the project that has the cabinet combination demand, its three divide into independent module with each part, be convenient for spare part's installation and dismantlement, its four is through coating the conducting layer, make its surperficial tangible, put the value less than 20PC with the whole cabinet, the protection level and the security of measurement cabinet have been improved greatly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a solid insulation measures cabinet, is applied to in 35 KV's switchgear, includes the cabinet body, its characterized in that still includes: cable chamber, mechanism's room, the cable tee bend, an insulating cylinder, wherein:
the mechanism chamber is used for placing an isolation power mechanism and an isolation transmission case, the isolation power mechanism is connected with the isolation transmission case, and the isolation transmission mechanism is used for providing power for the motion of the isolation transmission case;
a voltage transformer and a current transformer are arranged in the cable chamber, and the current transformer is connected with the voltage transformer through the cable tee;
the insulation cylinder takes epoxy resin as a solid insulation medium, an incoming line insert and an outgoing line insert are fixed on the inner side of a cavity of the insulation cylinder, and the outgoing line insert is connected with the current transformer and the voltage transformer through the cable tee;
an isolation knife and an isolation screw rod are arranged at the inner side of the cavity of the insulation cylinder, the isolation screw rod is connected with the isolation transmission case, and the isolation screw rod is used for realizing self movement by means of the movement of the isolation transmission case;
the isolation transmission box in the mechanism chamber is converted into upward linear motion by the isolation screw rod in the insulation cylinder; the outer side of the cavity of the insulating cylinder is coated with a conducting layer, and the conducting layer is used for homogenizing an electric field;
the isolation knife is fixed on the isolation screw rod, and the isolation knife is used for simultaneously communicating with the inlet wire insert and the outlet wire insert when the isolation screw rod moves upwards, so that the current transformer and the voltage transformer measure the secondary side voltage of the metering cabinet.
2. The solid insulation metering cabinet of claim 1, wherein the number of the insulation cylinders is three, and the three insulation cylinders are arranged corresponding to three-phase electricity in a 35KV switchgear.
3. The solid insulation metering cabinet according to claim 1, wherein the connections between the cable tee and the current transformer, the voltage transformer and the outgoing line insert are all sealed by solid insulation media.
4. The solid insulation measuring cabinet according to claim 1, wherein the solid insulation measuring cabinet further comprises an instrument chamber for placing secondary elements.
5. The solid insulation measuring cabinet according to claim 1, wherein the solid insulation measuring cabinet further comprises a small bus chamber for accommodating a cabinet combination bus of the secondary wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352848.0A CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352848.0A CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
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| Publication Number | Publication Date |
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| CN108258608A CN108258608A (en) | 2018-07-06 |
| CN108258608B true CN108258608B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711352848.0A Active CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739634A (en) * | 2019-11-18 | 2020-01-31 | 福州天宇电气股份有限公司 | solid insulation switch equipment metering cabinet and installation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594952A (en) * | 2013-11-28 | 2014-02-19 | 扬州新概念电气有限公司 | Solid insulation measuring cabinet with separation disconnecting link |
| CN205051238U (en) * | 2015-10-20 | 2016-02-24 | 珠海许继电气有限公司 | Solid insulation PT cabinet |
| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| CN205810673U (en) * | 2016-07-02 | 2016-12-14 | 安徽互感器有限公司 | Outdoor integrated solid sealed pole |
| CN205944869U (en) * | 2016-08-27 | 2017-02-08 | 国网福建漳平市供电有限公司 | Solid insulating ring main unit |
| CN206004203U (en) * | 2016-08-31 | 2017-03-08 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of solid insulation ring main unit |
| CN106602450A (en) * | 2016-11-14 | 2017-04-26 | 北京双杰电气股份有限公司 | Solid insulated switchgear |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7724284U1 (en) * | 1977-08-04 | 1977-12-15 | Fritz Driescher Spezialfabrik Fuer Elektrizitaetswerksbedarf, 5144 Wegberg | Medium voltage switchgear cubicle |
| US5736705A (en) * | 1996-09-13 | 1998-04-07 | Cooper Industries, Inc. | Grading ring insert assembly |
| CN104184061B (en) * | 2014-08-22 | 2016-07-06 | 无锡市新一代电力电器有限公司 | Side-mounted flameproof high-voltage vacuum distribution equipment for mining |
| CN204407239U (en) * | 2014-12-31 | 2015-06-17 | 温州新机电器有限公司 | A kind of solid insulation switch |
| CN205791174U (en) * | 2016-06-02 | 2016-12-07 | 宁波甬新东方电气有限公司 | A kind of compact circuit breaker cabinet of the wall-mounted vacuum circuit breaker of adapted |
| CN106384961B (en) * | 2016-11-12 | 2018-07-17 | 上海天灵开关厂有限公司 | A kind of gas insulated bus earthing or grounding means |
-
2017
- 2017-12-15 CN CN201711352848.0A patent/CN108258608B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594952A (en) * | 2013-11-28 | 2014-02-19 | 扬州新概念电气有限公司 | Solid insulation measuring cabinet with separation disconnecting link |
| CN205051238U (en) * | 2015-10-20 | 2016-02-24 | 珠海许继电气有限公司 | Solid insulation PT cabinet |
| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| CN205810673U (en) * | 2016-07-02 | 2016-12-14 | 安徽互感器有限公司 | Outdoor integrated solid sealed pole |
| CN205944869U (en) * | 2016-08-27 | 2017-02-08 | 国网福建漳平市供电有限公司 | Solid insulating ring main unit |
| CN206004203U (en) * | 2016-08-31 | 2017-03-08 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of solid insulation ring main unit |
| CN106602450A (en) * | 2016-11-14 | 2017-04-26 | 北京双杰电气股份有限公司 | Solid insulated switchgear |
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| CN108258608A (en) | 2018-07-06 |
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