CN209045260U - A kind of arrester of monitoring interface with voltage - Google Patents
A kind of arrester of monitoring interface with voltage Download PDFInfo
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- CN209045260U CN209045260U CN201822087587.0U CN201822087587U CN209045260U CN 209045260 U CN209045260 U CN 209045260U CN 201822087587 U CN201822087587 U CN 201822087587U CN 209045260 U CN209045260 U CN 209045260U
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- voltage
- partial pressure
- monitoring interface
- grading shield
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Abstract
The utility model relates to a kind of arresters of monitoring interface with voltage, including pedestal, grading shield, shading ring, silicon rubber cluster parachute and connecting terminal, base top is connected with the silicon rubber cluster parachute of equidistant arrangement by shading ring, grading shield is fixedly installed at the top of silicon rubber cluster parachute, grading shield one end is connected with connecting terminal far from pedestal side, grading shield bottom is connected with the capacitance partial pressure casing being placed in inside silicon rubber cluster parachute, capacitance partial pressure casing side is equipped with valve block at grading shield center, valve block side is connected with through capacitance partial pressure inside pipe casing and extends to the voltage monitoring interface on silicon rubber cluster parachute outer wall, voltage monitoring interface one end is connected with the main capacitance and derided capacitors for extending and setting in capacitance partial pressure casing, and it is fixedly connected between voltage monitoring interface and capacitance partial pressure casing by casing flange.The utility model has the advantages that the utility model provides authentic and valid voltage signal, voltage interface is provided for partial discharge monitoring and over-voltage monitoring.
Description
Technical field
The utility model relates to high voltage power transmission and transforming and controller switching equipment technical fields, and in particular to a kind of monitoring interface with voltage
Arrester.
Background technique
All kinds of electrical equipments in actual operation, insulation weak spot can occur, and can gradually develop because of reasons such as overvoltage
For insulation fault.Occur reacting first when insulation weak spot is the increase of partial discharge quantity, to be formed absolutely when weak spot is expanded to
When reason hinders, insulation flashover or insulation breakdown occurs.
One key technology of modern smart grid construction is to establish the insulating monitoring and diagnostic system of electrical equipment, and office
The monitoring of portion's discharge capacity and over-voltage monitoring are two kinds of the most effective means.In these monitorings, from traditional electromagnetic potential
The secondary monitoring signals side-draw of mutual inductor cannot be met the requirements, and must in addition install electronic voltage transducer additional, provide monitoring letter
Number.But due to the limitation in space in switchgear or in substation, it is extremely difficult to install these sensors additional, existing electronic type voltage
On sensor technology there is also operational reliability problem, the problem that interference signal is big and installation is inconvenient.10~35kV system electricity
Capacity sensor is generally assembled with thin-film capacitor, and failure rate is relatively high；110kV and system above do not have dedicated electronic type to sense
Device borrows existing CVT secondary side or bottom shielding of bushing generally to provide signal, and signal interference is big, and bandwidth response is inadequate.
Utility model content
The utility model aim is to provide a kind of arrester of monitoring interface with voltage, and providing one kind and being capable of providing really has
The voltage signal of effect provides the arrester of voltage interface for partial discharge monitoring and over-voltage monitoring.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of monitoring interface with voltage is taken shelter from the thunder
Device, including pedestal, grading shield, shading ring, silicon rubber cluster parachute and connecting terminal, the base top are connected by the shading ring
There is silicon rubber cluster parachute described in equidistant arrangement, is fixedly installed with the grading shield, the grading shield at the top of the silicon rubber cluster parachute
One end is connected with the connecting terminal far from the pedestal side, and the grading shield bottom, which is connected with, is placed in the silicon rubber cluster parachute
Internal capacitance partial pressure casing, capacitance partial pressure casing side are equipped with valve block, the valve block at the grading shield center
Side is connected with through the capacitance partial pressure inside pipe casing and extends to the voltage monitoring interface on the silicon rubber cluster parachute outer wall,
Voltage monitoring interface one end is connected with the main capacitance and derided capacitors for extending and setting in the capacitance partial pressure casing, and the electricity
It is fixedly connected between pressure monitoring interface and the capacitance partial pressure casing by casing flange.
Further, base inner wall bottom end side is fixedly connected with insulation core body.
Further, the valve block is made of zinc oxide.
Further, seal chamber is equipped between pedestal top side and the capacitance partial pressure casing.
Further, there is holddown spring in the grading shield side close to the capacitance partial pressure casing connection.
The utility model has the technical effect that
(1) present invention proposes a kind of arrester of monitoring interface with voltage, is a kind of combined electrical apparatus, is used for 10~500kV
AC electric power systems.Capacitive AC voltage sensor carries shielding construction, provides authentic and valid voltage signal, supervises for partial discharge
It surveys and over-voltage monitoring provides voltage interface；Sensor is telescoping structure, can be used as arrester housing, zinc oxide valve plate simultaneously
In sleeve, used as normal arrester.
(2) arrester of this monitoring interface with voltage can directly replace installed arrester, provide monitoring and connect
Mouthful, additionally occupy switchgear in or substation in space.
(3) condenser divider is made using dry wound technique in capacitive battery pressure sensor, and partial pressure screen outside is capacitor
Shielding screen, effectively shields the influence of stray capacitance and electromagnetic interference to measurement result, and zinc oxide valve plate is assemblied in cannula-like partial pressure
Inside device, the arrester of monitoring interface with voltage is formed, in-site installation is facilitated.
Detailed description of the invention
Fig. 1 is the front view of the utility model monitoring interface arrester with voltage；
Fig. 2 is the diagrammatic cross-section of the utility model Fig. 1.
Appended drawing reference: 1- pedestal；2- grading shield；3- shading ring；4- silicon rubber cluster parachute；5- connecting terminal；6- capacitance partial pressure
Casing；7- valve block；8- voltage monitoring interface；9- main capacitance；10- derided capacitors；11- casing flange；12- insulation core body；13- is close
Seal chamber；14- holddown spring.
Specific embodiment
Referring to attached drawing 1-2, a kind of arrester of monitoring interface with voltage, including pedestal 1, grading shield 2, shading ring 3, silicon rubber
Glue cluster parachute 4 and connecting terminal 5 are connected with silicon rubber cluster parachute described in equidistant arrangement by the shading ring 3 at the top of the pedestal 1
4, the grading shield 2 is fixedly installed at the top of the silicon rubber cluster parachute 4, and described 2 one end of grading shield connects far from 1 side of pedestal
It is connected to the connecting terminal 5,2 bottom of grading shield is connected with the capacitance partial pressure casing being placed in inside the silicon rubber cluster parachute 4
6,6 side of capacitance partial pressure casing is equipped with valve block 7 at 2 center of grading shield, and 7 side of valve block, which is connected with, to be run through
6 inside of capacitance partial pressure casing simultaneously extends to the voltage monitoring interface 8 on 4 outer wall of silicon rubber cluster parachute, the voltage prison
It surveys 8 one end of interface and is connected with the main capacitance 9 and derided capacitors 10 for extending and setting in the capacitance partial pressure casing 6, and the voltage is supervised
It surveys between interface 8 and the capacitance partial pressure casing 6 and is fixedly connected by casing flange 11.
Preferably, zinc oxide valve plate 7 is mounted in special capacitance partial pressure casing 6, and described sleeve pipe has main capacitance 9 and partial pressure electricity
Hold 10, integrated coiling molding.9 capacitance of main capacitance is adjustable in 80~500pF, monitors interface from 10 extraction voltage of derided capacitors
8, the voltage monitoring interface is a kind of Intelligent terminal, it is possible to provide power frequency component and high-frequency signal, as voltage monitoring or partial discharge
The signaling interface of monitoring.
Preferably, the 1 inner wall bottom end side of pedestal is fixedly connected with insulation core body 12.
Preferably, the valve block 7 is made of zinc oxide.
Preferably, seal chamber 13, described sleeve pipe are equipped between the 1 top side of pedestal and the capacitance partial pressure casing 6
It is designed as the cavity of a sealing, prevents zinc oxide valve plate 7 from making moist in operation.
Preferably, 2 side of grading shield is connected with holddown spring 14 close to the capacitance partial pressure casing 6.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (5)
1. a kind of arrester of monitoring interface with voltage, including pedestal (1), grading shield (2), shading ring (3), silicon rubber cluster parachute
(4) and connecting terminal (5), pedestal (1) top are connected with silicon rubber umbrella described in equidistant arrangement by the shading ring (3)
Group (4), silicon rubber cluster parachute (4) top are fixedly installed with the grading shield (2), and described grading shield (2) one end is far from described
Pedestal (1) side is connected with the connecting terminal (5), which is characterized in that grading shield (2) bottom, which is connected with, is placed in the silicon
The internal capacitance partial pressure casing (6) of rubber cluster parachute (4), capacitance partial pressure casing (6) side is close to the grading shield (2) center
Place is equipped with valve block (7), and valve block (7) side is connected with internal through the capacitance partial pressure casing (6) and extends to the silicon
Voltage monitoring interface (8) on rubber cluster parachute (4) outer wall, described voltage monitoring interface (8) one end are connected with extension and set the electricity
Hold the main capacitance (9) and derided capacitors (10) in partial pressure casing (6), and the voltage monitoring interface (8) and the capacitance partial pressure
It is fixedly connected between casing (6) by casing flange (11).
2. the arrester of one kind monitoring interface with voltage according to claim 1, which is characterized in that in the pedestal (1)
Wall bottom end side is fixedly connected with insulation core body (12).
3. the arrester of one kind according to claim 1 monitoring interface with voltage, which is characterized in that the valve block (7) by
Zinc oxide is made.
4. the arrester of one kind monitoring interface with voltage according to claim 1, which is characterized in that pedestal (1) top
It holds and is equipped with seal chamber (13) between side and the capacitance partial pressure casing (6).
5. the arrester of one kind monitoring interface with voltage according to claim 1, which is characterized in that the grading shield (2)
Side is connected with holddown spring (14) close to the capacitance partial pressure casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087587.0U CN209045260U (en) | 2018-12-13 | 2018-12-13 | A kind of arrester of monitoring interface with voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822087587.0U CN209045260U (en) | 2018-12-13 | 2018-12-13 | A kind of arrester of monitoring interface with voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045260U true CN209045260U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822087587.0U Active CN209045260U (en) | 2018-12-13 | 2018-12-13 | A kind of arrester of monitoring interface with voltage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448942A (en) * | 2018-12-13 | 2019-03-08 | 合肥金瑞配网电气设备有限公司 | A kind of arrester of monitoring interface with voltage |
-
2018
- 2018-12-13 CN CN201822087587.0U patent/CN209045260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448942A (en) * | 2018-12-13 | 2019-03-08 | 合肥金瑞配网电气设备有限公司 | A kind of arrester of monitoring interface with voltage |
| CN109448942B (en) * | 2018-12-13 | 2024-03-12 | 合肥金瑞配网电气设备有限公司 | Lightning arrester with voltage monitoring interface |
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