CN208271720U - A kind of insulation blocking with voltage sensor function - Google Patents
A kind of insulation blocking with voltage sensor function Download PDFInfo
- Publication number
- CN208271720U CN208271720U CN201820981670.XU CN201820981670U CN208271720U CN 208271720 U CN208271720 U CN 208271720U CN 201820981670 U CN201820981670 U CN 201820981670U CN 208271720 U CN208271720 U CN 208271720U
- Authority
- CN
- China
- Prior art keywords
- nut
- voltage
- conducting
- signal output
- insulation blocking
- 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.)
- Active
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A kind of insulation blocking with voltage sensor function, including shell, sealing is cast with high-pressure conductive nut, grounding nut, highvoltage resistance potential divider and signal output apparatus in shell, the connection conducting of the high-voltage arm resistance of high-pressure conductive nut and highvoltage resistance potential divider, signal output apparatus pass through inside grounding nut and connect conducting with the low-voltage arm resistance of highvoltage resistance potential 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 field of high-tension switch gear, refer in particular to a kind of with voltage sensor 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 voltage sensor function, and main purpose is to overcome existing
High-tension switch gear is due to installing voltage transformer, 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 voltage sensor function, including shell, sealing is cast with high pressure and leads in the shell
Electric nut, grounding nut, highvoltage resistance potential divider and signal output apparatus, the high-pressure conductive nut and high-tension resistive divide
The high-voltage arm resistance of device connects conducting, and the signal output apparatus passes through inside the grounding nut and divides with the high-tension resistive
The low-voltage arm resistance of depressor connects conducting；The high-pressure conductive nut thread is connected to the screw rod in external T-type cable plug
On, and conducting is connect with the cable connector in the T-type cable plug；The grounding nut and external sensor lock pin screw thread
Connection, so that the signal output apparatus connect conducting with the sensor lock pin.
Further, the highvoltage resistance potential divider further includes the bucking electrode in cylindrical tube structure, the shielding electricity
Pole is coated on the outside of the high-voltage arm resistance and low-voltage arm resistance.
Further, the material that the sealing pours is enhancing nylon PA66 or epoxy resin.
Further, the low-voltage arm resistance is connected by twisted-pair shielded wire with high-voltage arm resistance, 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 the partial pressure of high-voltage arm resistance and low-voltage arm resistance,
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 voltage sensor function, including shell 1, sealing is poured in shell 1
It is marked with high-pressure conductive nut 2, grounding nut 3, highvoltage resistance potential divider 4 and signal output apparatus 5.Wherein, high-tension resistive point
Depressor 4 includes the high-voltage arm resistance 41 and low-voltage arm resistance 42 for being connected with each other conducting, high-pressure conductive nut 2 and high-voltage arm resistance 41
Connection conducting, signal output apparatus 5 pass through 3 inside of grounding nut and connect conducting with low-voltage arm resistance 42；High-pressure conductive nut 2
It is threaded on the screw rod 64 in external T-type cable plug 6, and connects with the cable connector 61 in the T-type cable plug 6
Connect conducting；Grounding nut 3 is threadedly coupled with external sensor lock pin 7, so that signal output apparatus 5 and the sensor lock pin 7
Connection conducting.
By using the partial pressure of high-voltage arm resistance 41 and low-voltage arm resistance 42 act on, 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.Highvoltage resistance potential divider 4 further includes the bucking electrode 43 in cylindrical tube structure, shielding electricity
Pole 43 is coated on the outside of high-voltage arm resistance 41 and low-voltage arm resistance 42, thus optimize field distribution situation inside shell 1 and
It avoids influencing capacitance accuracy.In addition, the low-voltage arm resistance is distinguished by twisted-pair shielded wire and high-voltage arm resistance, signal output apparatus
Connection 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 voltage sensor function, including shell, it is characterised in that: sealing is poured in the shell
There are high-pressure conductive nut, grounding nut, highvoltage resistance potential divider and signal output apparatus, the high-pressure conductive nut and high pressure
The high-voltage arm resistance of resitstance voltage divider connects conducting, the signal output apparatus pass through inside the grounding nut and with the height
The low-voltage arm resistance of piezoresistance divider connects conducting；The high-pressure conductive nut thread is connected to external T-type cable plug
On interior screw rod, and conducting is connect with the cable connector in the T-type cable plug；The grounding nut and external sensor
Lock pin is threadedly coupled, so that the signal output apparatus connect conducting with the sensor lock pin.
2. a kind of insulation blocking with voltage sensor function as described in claim 1, it is characterised in that: the high-tension resistive
Divider further includes the bucking electrode in cylindrical tube structure, and the bucking electrode is coated on the high-voltage arm resistance and low-voltage arm
The outside of resistance.
3. a kind of insulation blocking with voltage sensor function as described in claim 1, it is characterised in that: the sealing pours
Material be enhancing nylon PA66 or epoxy resin.
4. a kind of insulation blocking with voltage sensor function as described in claim 1, it is characterised in that: the low-voltage arm electricity
Resistance is separately connected conducting by twisted-pair shielded wire and high-voltage arm resistance, signal output apparatus.
5. a kind of insulation blocking with voltage sensor function as described in claim 1, it is characterised in that: the signal output
Device includes core print seat and the metal threaded shell being installed on the outside of the core print seat that insulate, and the metal threaded outer casing screw is connected to institute
It states inside grounding nut, and connect conducting with the grounding nut.
6. a kind of insulation blocking with voltage sensor function as described in claim 1, it is characterised in that: 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 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 voltage sensor function as claimed in claim 6, it is characterised in that: the high-pressure conductive
When 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 with
T-type cable plug connection conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981670.XU CN208271720U (en) | 2018-06-25 | 2018-06-25 | A kind of insulation blocking with voltage sensor function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981670.XU CN208271720U (en) | 2018-06-25 | 2018-06-25 | A kind of insulation blocking with voltage sensor function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208271720U true CN208271720U (en) | 2018-12-21 |
Family
ID=64690876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820981670.XU Active CN208271720U (en) | 2018-06-25 | 2018-06-25 | A kind of insulation blocking with voltage sensor function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208271720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470888A (en) * | 2019-09-09 | 2019-11-19 | 宁波耀华电气科技有限责任公司 | A kind of distribution automation integrated electric pressure sensor |
-
2018
- 2018-06-25 CN CN201820981670.XU patent/CN208271720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470888A (en) * | 2019-09-09 | 2019-11-19 | 宁波耀华电气科技有限责任公司 | A kind of distribution automation integrated electric pressure sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105137152A (en) | Ground lead current signal monitoring sensor for end screen of transformer bushing | |
| CN203117299U (en) | Integrative sensor for monitoring dielectric loss of power transformer bushing | |
| CN106526288A (en) | Transmission line voltage and current monitoring system and method | |
| CN107968016A (en) | A kind of pole that can improve electrical insulation properties | |
| CN109188104A (en) | The dielectric response of paper oil insulation casing not blackouts monitoring system and method | |
| CN205666175U (en) | Outdoor vacuum circuit breaker on intelligent post | |
| CN108493821A (en) | Automatic Switching on a kind of distribution net post using electronic sensor | |
| CN107907806A (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN208400777U (en) | A kind of pole can be improved electrical insulation properties | |
| CN208271720U (en) | A kind of insulation blocking with voltage sensor function | |
| CN208507447U (en) | A kind of insulation blocking with collection voltages semiotic function | |
| CN208571569U (en) | A kind of insulation blocking with high pressure current-taking function | |
| CN204925278U (en) | Multi -functional transformer bushing on -line monitoring sensor | |
| CN208596896U (en) | Automatic Switching on a kind of distribution net post using electronic sensor | |
| CN110600251A (en) | Combined voltage transformer with zero sequence voltage output function | |
| CN203759182U (en) | Lightning arrester for electric power circuit | |
| CN102305903A (en) | Partial discharge detection method for pulse current of electrified operation single phase integrated gas insulated switchgear (GIS) | |
| CN203037716U (en) | Transformer and reactor entrance VFTO high-frequency signal test device for GIS transformer station | |
| CN208336071U (en) | A kind of outdoor high-voltage insulation with high pressure current-taking function | |
| CN207516494U (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN203324357U (en) | Electronic voltage transformer used for detecting high voltage resistor current | |
| CN203365519U (en) | Sampling device for high-voltage bushing electrified detection test | |
| CN112731075B (en) | Intelligent sleeve with integrated structure built in sensor | |
| CN204964597U (en) | Electronic current and voltage combined transformer | |
| CN210803625U (en) | Prepackage type intelligence electric thing networking sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |