CN208507447U - A kind of insulation blocking with collection voltages semiotic function - Google Patents
A kind of insulation blocking with collection voltages semiotic function Download PDFInfo
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- CN208507447U CN208507447U CN201820985530.XU CN201820985530U CN208507447U CN 208507447 U CN208507447 U CN 208507447U CN 201820985530 U CN201820985530 U CN 201820985530U CN 208507447 U CN208507447 U CN 208507447U
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Abstract
A kind of insulation blocking with collection voltages semiotic function, including shell, sealing is cast with high-pressure conductive nut, grounding nut, capacitive divider and signal output apparatus in shell, the connection conducting of the high voltage arm capacitor of high-pressure conductive nut and capacitive divider, signal output apparatus are passed through inside grounding nut and are connected with the low-voltage arm capacitance connection of capacitive divider；High-pressure conductive nut thread is connected on external T-type cable plug, and connect conducting with the cable connector in the T-type cable plug；Grounding nut is threadedly coupled with external sensor lock pin, so that signal output apparatus connect conducting with the sensor lock pin.Voltage sensor and traditional insulation blocking are combined into one by the utility model, are not necessarily to other high-voltage connection, improve the insulation performance of switchgear, protection reaches IP67, the internal structure of simplified switchgear；The integrated design being poured using sealing is simplified device context installation, improves reliability.
Description
Technical field
The utility model relates to the technical fields of high-tension switch gear, refer in particular to a kind of with collection voltages semiotic function
Insulation blocking.
Background technique
Currently, one or two intelligent power grid technologies merged based on technology of Internet of things reach its maturity, it is desirable that smart grid
Switch has the parameters such as voltage, electric current and the power loss in real-time online detection network system, real-time Transmission operation of power networks number
According to, and reliability and voltage sensor with high accuracy are most important, while also to meet and adapt to more harsh severe operation ring
Border condition, especially outdoor environment.
Traditional iron core winding type voltage transformer volume is larger, and structure is complicated, and stability is poor, and needs additional lead
Traction is connected on switchgear galvanic circle, this structure certainly will increase the complexity of high-tension apparatus system structure, make out
Pass equipment volume is huge, and structure is complicated, reduces the insulation performance and protective capacities grade of high-tension switch gear, does not meet intelligence
Requirement of the power grid to electrical equipment accuracy, stability and leakproofness.
Utility model content
The utility model provides a kind of insulation blocking with collection voltages semiotic function, and main purpose is to overcome existing
There is high-tension switch gear due to installing voltage transformer, the defect that the degree that leads to that its structure is complicated improves.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of insulation blocking with collection voltages semiotic function, including shell, sealing is cast with high pressure in the shell
Conductive nut, grounding nut, capacitive divider and signal output apparatus, the height of the high-pressure conductive nut and capacitive divider
The conducting of pressure arm capacitance connection, the signal output apparatus passes through inside the grounding nut and the low pressure with the capacitive divider
The conducting of arm capacitance connection；The high-pressure conductive nut thread is connected on the screw rod in external T-type cable plug, and with the T
Cable connector in type cable plug connects conducting；The grounding nut is threadedly coupled with external sensor lock pin, so that
The signal output apparatus connect conducting with the sensor lock pin.
Further, the capacitive divider further includes the bucking electrode in cylindrical tube structure, the bucking electrode packet
It is overlying on the outside of the high voltage arm capacitor and low-voltage arm capacitor.
Further, the material that the sealing pours is enhancing nylon PA66 or epoxy resin.
Further, the low-voltage arm capacitor is connected by twisted-pair shielded wire with high voltage arm capacitor, signal output apparatus respectively
Connect conducting.
Further, the signal output apparatus include core print seat and insulation be installed in it is metal threaded outer on the outside of the core print seat
Shell, the metal threaded outer casing screw is connected to inside the grounding nut, and connect conducting with the grounding nut.
Further, the high-pressure conductive nut and grounding nut are located at the head and tail portion of the shell, and
The lateral tail of the shell is coated with electric silica gel, and the electric silica gel is connect with the grounding nut to be connected and be grounded.
Further, when the high-pressure conductive nut thread is connected on the T-type cable plug, the electric silica gel
It is coated on outside the T-type cable plug, and connect conducting with the T-type cable plug.
Compared to the prior art, the beneficial effect that the utility model generates is:
The utility model structure is simple, practical, acts on by using high voltage arm capacitor and the partial pressure of low-voltage arm capacitor,
High voltage is converted into the small voltage signal proportional to primary voltage and phase, has the advantages that 1, will be novel
Voltage sensor technology be combined into one with traditional insulation blocking, substitute traditional voltage transformer, optimize in switchgear
Portion's structure improves the insulation performance and protective capacities of switchgear, and IP protective capacities reaches IP67, and reduces switchgear
Volume reduces occupied area；2, using novel capacitance partial pressure sensing technology, instead of traditional iron core winding type mutual induction of voltage
Device makes voltage sensor without iron core, will not be saturated, and measurement range is big, and linear precision is high, improves the reliability of equipment；Simultaneously
Voltage output end second short circuit will not generate high current, not generate ferromagnetic resonance, guarantee personnel's equipment safety；3, it is poured using sealing
The integrated design of note simplifies device context installation, improves reliability.
Detailed description of the invention
Fig. 1 is the half-section diagram of the utility model.
Fig. 2 be the utility model respectively with T-type cable plug, sensor lock pin is connect when half-section diagram.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
Referring to Fig.1, Fig. 2.A kind of insulation blocking with collection voltages semiotic function, including shell 1, sealing in shell 1
It is cast with high-pressure conductive nut 2, grounding nut 3, capacitive divider 4 and signal output apparatus 5.Wherein, capacitive divider 4 wraps
It includes the high voltage arm capacitor 41 for being connected with each other conducting and low-voltage arm capacitor 42, high-pressure conductive nut 2 connect with high voltage arm capacitor 41 and lead
Logical, signal output apparatus 5 passes through 3 inside of grounding nut and connect conducting with low-voltage arm capacitor 42；2 screw thread of high-pressure conductive nut connects
It connects on the screw rod 64 in external T-type cable plug 6, and connect and lead with the cable connector 61 in the T-type cable plug 6
It is logical；Grounding nut 3 is threadedly coupled with external sensor lock pin 7, so that signal output apparatus 5 is connect with the sensor lock pin 7
Conducting.
Acted on by using high voltage arm capacitor 41 and the partial pressure of low-voltage arm capacitor 42, by a high voltage be converted into once
Voltage and the proportional small voltage signal of phase, have the advantages that 1, by novel voltage sensor technology with it is traditional exhausted
Edge blocking is combined into one, and substitutes traditional voltage transformer, optimizes switchgear internal structure, improves the exhausted of switchgear
Edge performance and protective capacities, IP protective capacities reach IP67, and reduce the volume of switchgear, reduce occupied area；2, it uses
Novel capacitance partial pressure sensing technology makes voltage sensor be free of iron core instead of traditional iron core winding type voltage transformer,
It will not be saturated, measurement range is big, and linear precision is high, improves the reliability of equipment；Voltage output end second short circuit will not produce simultaneously
Raw high current, does not generate ferromagnetic resonance, guarantees personnel's equipment safety；3, the integrated design being poured using sealing, is simplified and is set
Standby in-site installation, improves reliability.
Referring to Fig.1, Fig. 2.Capacitive divider 4 further includes the bucking electrode 43 in cylindrical tube structure, the bucking electrode 43
It is coated on the outside of high voltage arm capacitor 41 and low-voltage arm capacitor 42, to optimize the field distribution situation inside shell 1 and avoid
Influence capacitance accuracy.In addition, the low-voltage arm capacitor is separately connected by twisted-pair shielded wire and high voltage arm capacitor, signal output apparatus
Conducting.
Referring to Fig.1, Fig. 2.The material that sealing pours is enhancing nylon PA66 or epoxy resin, to play effective insulation
Effect.
Referring to Fig.1, Fig. 2.In the present embodiment, T-type cable plug 6 uses the European cable connection of DGW ∥ -15/630 shield type
Device, the high pressure that the screw rod 64 inside T-type cable plug 6 is threadedly coupled with high-pressure conductive nut 2, and is set in T-type cable plug 6
The cable connector 61 of cable 63 connect fastening conducting with high-pressure conductive nut 2 by copper tip.In addition, the cable connector 61
Conducting connection is also fastened with outlet casing tube 62.
Referring to Fig.1, Fig. 2.In the present embodiment, signal output apparatus 5 includes that core print seat 51 and insulation are installed in outside the core print seat 51
The metal threaded shell 52 of side, the metal threaded shell 52 are threaded in inside grounding nut 3, and are connected with the grounding nut 3
Connect conducting.The head of sensor lock pin 7, which is equipped with, can be threaded in outer nut 71 inside grounding nut 3, inside outer nut
Equipped with internal lock pin (not shown go out), when outer nut 71 is threadedly coupled with grounding nut 3, which connect with core print seat 51
Conducting；The tail portion of sensor lock pin 7 is equipped with signal cable 72, and signal cable 72 transfers signals to the control of high-tension switch gear
Terminal.In addition, be additionally provided with shading ring (not shown go out) in sensor lock pin 7, the shading ring respectively with outer nut 71 and signal electricity
The shielding line of cable 72 connects conducting.
Referring to Fig.1, Fig. 2.The application method of the utility model is to install when this insulation blocks, i.e., electric with T-type respectively
After cable plug 6, sensor lock pin 7 have connected, just the 10000V or 20000V high voltage induction at T-type cable plug 6 can be answered
At the low pressure electric signal of 3.25V or 2V, the two journey linear relationship passes through the signal cable 72 of 7 tail portion of sensor lock pin later, will
Low pressure electric signal is transferred at the controlling terminal of external high pressure switchgear, for power network monitoring, metering and protection.
Referring to Fig.1, Fig. 2.High-pressure conductive nut 2 and grounding nut 3 are located at the head 11 and tail portion 12 of shell 1, and
And it is coated with electric silica gel 8 on the outside of the tail portion 12 of the shell, which connect with grounding nut 3 is connected and is grounded.This
Outside, when high-pressure conductive nut 2 is threaded on the screw rod 64 in T-type cable plug 6, which is also coated on the T
Outside type cable plug 6, and conducting is connect with the T-type cable plug 6.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (7)
1. a kind of insulation blocking with collection voltages semiotic function, including shell, it is characterised in that: sealing is poured in the shell
It is marked with high-pressure conductive nut, grounding nut, capacitive divider and signal output apparatus, the high-pressure conductive nut and capacitor point
The high voltage arm capacitor of depressor connects conducting, the signal output apparatus pass through inside the grounding nut and with the capacitance partial pressure
The low-voltage arm capacitance connection of device is connected；The high-pressure conductive nut thread is connected on the screw rod in external T-type cable plug,
And conducting is connect with the cable connector in the T-type cable plug；The grounding nut and external sensor lock pin screw thread connect
It connects, so that the signal output apparatus connect conducting with the sensor lock pin.
2. a kind of insulation blocking with collection voltages semiotic function as described in claim 1, it is characterised in that: the capacitor point
Depressor further includes the bucking electrode in cylindrical tube structure, and the bucking electrode is coated on the high voltage arm capacitor and low-voltage arm electricity
The outside of appearance.
3. a kind of insulation blocking with collection voltages semiotic function as described in claim 1, it is characterised in that: the sealing is poured
The material built is enhancing nylon PA66 or epoxy resin.
4. a kind of insulation blocking with collection voltages semiotic function as described in claim 1, it is characterised in that: the low-voltage arm
Capacitor is separately connected conducting by twisted-pair shielded wire and high voltage arm capacitor, signal output apparatus.
5. a kind of insulation blocking with collection voltages semiotic function as described in claim 1, it is characterised in that: the signal is defeated
Device includes core print seat and the metal threaded shell being installed on the outside of the core print seat that insulate out, and the metal threaded outer casing screw is connected to
Inside the grounding nut, and conducting is connect with the grounding nut.
6. a kind of insulation blocking with collection voltages semiotic function as described in claim 1, it is characterised in that: the high pressure is led
Electric nut and grounding nut are located at the head and tail portion of the shell, and the lateral tail of the shell is coated with conductive silicon
Glue, the electric silica gel is connect with the grounding nut to be connected and is grounded.
7. a kind of insulation blocking with collection voltages semiotic function as claimed in claim 6, it is characterised in that: the high pressure is led
When electric nut thread is connected on the T-type cable plug, the electric silica gel is also coated on outside the T-type cable plug, and
Conducting is connect with the T-type cable plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985530.XU CN208507447U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with collection voltages semiotic function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985530.XU CN208507447U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with collection voltages semiotic function |
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| Publication Number | Publication Date |
|---|---|
| CN208507447U true CN208507447U (en) | 2019-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201820985530.XU Active CN208507447U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with collection voltages semiotic function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034236A (en) * | 2020-09-07 | 2020-12-04 | 华北电力大学 | Online monitoring device and method for transient voltage of cable elbow terminal |
-
2018
- 2018-06-26 CN CN201820985530.XU patent/CN208507447U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034236A (en) * | 2020-09-07 | 2020-12-04 | 华北电力大学 | Online monitoring device and method for transient voltage of cable elbow terminal |
| CN112034236B (en) * | 2020-09-07 | 2021-08-03 | 华北电力大学 | Online monitoring device and method for transient voltage of cable elbow terminal |
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