CN208571569U - A kind of insulation blocking with high pressure current-taking function - Google Patents
A kind of insulation blocking with high pressure current-taking function Download PDFInfo
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- CN208571569U CN208571569U CN201820985556.4U CN201820985556U CN208571569U CN 208571569 U CN208571569 U CN 208571569U CN 201820985556 U CN201820985556 U CN 201820985556U CN 208571569 U CN208571569 U CN 208571569U
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Abstract
A kind of insulation blocking with high pressure current-taking function, including shell, sealing is cast with high-pressure conductive nut, grounding nut, takes piezoelectric voltage sensor and low pressure output device in shell, high-pressure conductive nut connect conducting with the high-voltage arm for taking piezoelectric voltage sensor, and low pressure output device passes through inside grounding nut and connect conducting with the low-voltage arm of piezoelectric voltage sensor is taken；High-pressure conductive nut thread is connected on the screw rod in 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 low pressure output device connect conducting with the sensor lock pin.The utility model will take piezoelectric voltage voltage sensor to be combined into one with traditional insulation blocking, be 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 the exhausted of high pressure current-taking function
Edge 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 takes electric power supply system most important, while also to meet the more harsh severe running environment condition that adapts to, especially
It is outdoor environment.
Traditionally, insulation blocking is component of the T-type cable plug for fixed insulation；Electricity is taken to adopt in usual power distribution network
It with the voltage transformer of electromagnetic type, is typically mounted in switchgear, switchgear is connected to by the traction of high-tension cable conducting wire
On galvanic circle, high voltage electric energy is changed into low-voltage electric energy, the operation for controlling terminal and breaker provides electric energy.Electromagnetic type
Voltage transformer volume is big, structure is complicated, is easy to produce resonance, and when secondary short circuit can generate overcurrent and burn mutual inductor；Therefore meeting
The complexity for increasing distribution net work structure reduces the outdoor protection energy such as electrical insulation properties and waterproof and dustproof of switchgear
Power.Requirement of the novel intelligent power distribution network to electrical equipment stability, air-tightness, safety and portability is not met, together
The risk of Shi Zengjia power distribution network outlet failure.
Utility model content
The utility model provides a kind of insulation blocking with high pressure current-taking function, and main purpose is to overcome existing
High-tension switch gear leads to that its high failure rate, stability be poor, complex degree of structure raising due to installing electromagnetic potential transformer
Defect.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of insulation blocking with high pressure current-taking function, including shell, sealing is cast with high-pressure conductive in the shell
Nut, grounding nut take piezoelectric voltage sensor and low pressure output device for take electricity, the high-pressure conductive nut and take electricity
The high-pressure side of voltage sensor connects conducting, and the low pressure output device passes through inside the grounding nut and takes electricity electricity with described
The low-pressure side of pressure sensor 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 low pressure output device connect conducting with the sensor lock pin.
It is further, described that take piezoelectric voltage sensor include electronic type voltage transformer and rectifier, the electronic type voltage
The high-voltage arm of mutual inductor connect conducting with the high-pressure conductive nut, low-voltage arm is filled by the rectifier and low pressure output
Set connection conducting.
Further, the electronic type voltage transformer further includes the bucking electrode in cylindrical tube structure, the shielding
Electrode-clad is in the high-voltage arm of the electronic type voltage transformer and the outside of low-voltage arm.
Further, the material that the sealing pours is enhancing nylon PA66 or epoxy resin.
Further, the low pressure output device 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, by using the high-pressure side and low-pressure side for taking piezoelectric voltage sensor
Change of current effect is divided, the high voltage electric energy in power grid in a 10kV or 20kV system can be converted into and primary voltage and phase
The proportional low-voltage electric energy in position stores electric energy to controlling terminal.
It has the advantages that 1, takes piezoelectric voltage partial pressure commutation technique and traditional insulation blocking to be combined into one novel
Body substitutes traditional voltage transformer, optimizes switchgear internal structure, improves the insulation performance and protection energy of switchgear
Power, IP protective capacities reach IP67, and reduce the volume of switchgear, reduce occupied area；2, using novel electric resistance partial pressure
Sensing technology makes voltage sensor without iron core, will not be saturated instead of traditional iron core winding type voltage transformer, measures
Range is big, and linear precision is high, improves the reliability of equipment；Voltage output end second short circuit will not generate high current simultaneously, not produce
Pig iron magnetic resonance guarantees personnel's equipment safety；3, the integrated design being poured using sealing is simplified device context installation, mentioned
High 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 high pressure current-taking function, including shell 1, sealing casting in shell 1
Have high-pressure conductive nut 2, grounding nut 3, for take electricity take piezoelectric voltage sensor 4 and low pressure output device 5, high-pressure conductive
Nut 2 connect conducting with the high-pressure side for taking piezoelectric voltage sensor 4, low pressure output device 5 pass through 3 inside of grounding nut and with take electricity
The low-pressure side of voltage sensor 4 connects conducting；High-pressure conductive nut 2 is threaded in the screw rod in external T-type cable plug 6
On 64, and conducting is connect with the cable connector 61 in the T-type cable plug 6；Grounding nut 3 and external sensor lock pin 7
It is threadedly coupled, so that the low pressure output device 5 connect conducting with the sensor lock pin 7.
It is acted on by using the partial pressure change of current for the high-pressure side and low-pressure side for taking piezoelectric voltage sensor, it can will be primary in power grid
High voltage electric energy in 10kV or 20kV system is converted into the low-voltage electric energy proportional to primary voltage and phase, eventually to control
End storage electric energy.It has the advantages that 1, takes piezoelectric voltage partial pressure commutation technique to be combined with traditional insulation blocking novel
Integrally, traditional voltage transformer is substituted, switchgear internal structure is optimized, improve the insulation performance of switchgear and is prevented
Shield ability, IP protective capacities reach IP67, and reduce the volume of switchgear, reduce occupied area；2, using novel resistance
Sensing technology is divided, instead of traditional iron core winding type voltage transformer, makes voltage sensor without iron core, 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 generate high current simultaneously,
Ferromagnetic resonance is not generated, guarantees personnel's equipment safety；3, the integrated design being poured using sealing simplifies device context peace
Dress improves reliability.
Referring to Fig.1, Fig. 2.Specifically, taking piezoelectric voltage sensor 4 includes electronic type voltage transformer 41 and rectifier 42, it is somebody's turn to do
The high-voltage arm 411 of electronic type voltage transformer 41 connect conducting with high-pressure conductive nut 2, by a 10kV or 20kV system in power grid
High voltage electric energy in system is converted into the low-voltage direct-current electric energy proportional to primary voltage and phase, electronic type voltage transformer
41 low-voltage arm 412 connect conducting with low pressure output device 5 by rectifier 42, stores electric energy to controlling terminal.In addition, electronics
Formula voltage transformer 41 further includes the bucking electrode 413 in cylindrical tube structure, which is coated on electronic type voltage
The high-voltage arm 411 of mutual inductor and the outside of low-voltage arm 412, to optimize the field distribution situation inside shell 1.
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, low pressure output device 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 low pressure output cable 72, and low pressure output cable 72 transfers signals to high-voltage switch gear and sets
Standby controlling 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
Conducting is connected with the shielding line of low pressure output cable 72.
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 high-voltage electricity at T-type cable plug 6 can be transformed into low tension, Zhi Houtong
The low pressure output cable 72 for crossing 7 tail portion of sensor lock pin, is transported to controlling terminal, mentions for breaker and electrical equipment reliability service
For endlessly electric energy.
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 in the screw rod 64 in T-type cable plug 6, which is also coated on the T-type
Outside 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 high pressure current-taking function, including shell, it is characterised in that: sealing is cast in the shell
High-pressure conductive nut, grounding nut, for take electricity take piezoelectric voltage sensor and low pressure output device, the high-pressure conductive spiral shell
It is female connect conducting with the high-pressure side of piezoelectric voltage sensor is taken, the low pressure output device across the grounding nut inside and with institute
It states and the low-pressure side of piezoelectric voltage sensor is taken to connect 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 low pressure output device connect conducting with the sensor lock pin.
2. a kind of insulation blocking with high pressure current-taking function as described in claim 1, it is characterised in that: described that piezoelectric voltage is taken to pass
Sensor includes electronic type voltage transformer and rectifier, the high-voltage arm of the electronic type voltage transformer and the high-pressure conductive nut
Connection conducting, low-voltage arm connect conducting with the low pressure output device by the rectifier.
3. a kind of insulation blocking with high pressure current-taking function as claimed in claim 2, it is characterised in that: the electronic type voltage
Mutual inductor further includes the bucking electrode in cylindrical tube structure, and the bucking electrode is coated on the electronic type voltage transformer
The outside of high-voltage arm and low-voltage arm.
4. a kind of insulation blocking with high pressure current-taking function as described in claim 1, it is characterised in that: what the sealing poured
Material is enhancing nylon PA66 or epoxy resin.
5. a kind of insulation blocking with high pressure current-taking function as described in claim 1, it is characterised in that: the low pressure output dress
It sets including core print seat and the metal threaded shell being installed on the outside of the core print seat that insulate, the metal threaded outer casing screw is connected to described
Inside grounding nut, and conducting is connect with the grounding nut.
6. a kind of insulation blocking with high pressure current-taking function as described in claim 1, it is characterised in that: the high-pressure conductive spiral shell
Female head and tail portion that the shell is located at grounding nut, and the lateral tail of the shell is coated with electric silica gel,
The electric silica gel is connect with the grounding nut to be connected and is grounded.
7. a kind of insulation blocking with high pressure current-taking function as claimed in claim 6, it is characterised in that: the high-pressure conductive spiral shell
When box 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 the T
The connection conducting of type cable plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985556.4U CN208571569U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with high pressure current-taking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820985556.4U CN208571569U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with high pressure current-taking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208571569U true CN208571569U (en) | 2019-03-01 |
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ID=65488072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820985556.4U Active CN208571569U (en) | 2018-06-26 | 2018-06-26 | A kind of insulation blocking with high pressure current-taking function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884188A (en) * | 2020-08-28 | 2020-11-03 | 北京同时开关技术有限公司 | Switch drive circuit and switch device |
| 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 CN201820985556.4U patent/CN208571569U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884188A (en) * | 2020-08-28 | 2020-11-03 | 北京同时开关技术有限公司 | Switch drive circuit and switch device |
| 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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