CN208336071U - A kind of outdoor high-voltage insulation with high pressure current-taking function - Google Patents
A kind of outdoor high-voltage insulation with high pressure current-taking function Download PDFInfo
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- CN208336071U CN208336071U CN201821020100.0U CN201821020100U CN208336071U CN 208336071 U CN208336071 U CN 208336071U CN 201821020100 U CN201821020100 U CN 201821020100U CN 208336071 U CN208336071 U CN 208336071U
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Abstract
A kind of outdoor high-voltage insulation with high pressure current-taking function; including shell; sealing is cast with high-pressure conductive nut, protective device, takes electric transducer and low pressure accessory power outlet in shell, and protective device one end connect conducting, the other end with high-pressure conductive nut and connect conducting with the high-pressure side of electric transducer is taken；Low pressure accessory power outlet connect conducting with the low-pressure side for taking electric transducer；High-pressure conductive part in external high pressure switchgear is fastenedly connected in high-pressure conductive nut by screw flight, and connect conducting with the high-pressure conductive nut；External sensor lock pin is threaded on low pressure accessory power outlet, and connect conducting with the low pressure accessory power outlet.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 family with high pressure current-taking function
Outer high-tension insulator.
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, insulator is the fixed carrier of switch high-pressure conductive component；Take electricity is additional to use in power distribution network
The voltage transformer of electromagnetic type, is typically mounted in switchgear, is connected to switchgear by the traction of high-tension cable conducting wire and leads
On electrical circuit, high-voltage electricity is changed into low tension, the operation for controlling terminal and breaker provides electric energy.The voltage of electromagnetic type is mutual
Sensor volume is big, structure is complicated, is easy to produce resonance, and when secondary short circuit can generate overcurrent and burn mutual inductor；Therefore it will increase and match
The complexity of electric network composition reduces the outdoor protective capacities such as electrical insulation properties and waterproof and dustproof of switchgear.?
Requirement of the novel intelligent power distribution network to electrical equipment stability, air-tightness, safety and portability is not met, while increasing and matching
The risk of power grid outlet failure.
Utility model content
The utility model provides a kind of outdoor high-voltage insulation with high pressure current-taking function, and main purpose is to overcome
Existing high-tension switch gear is due to installing electromagnetic potential transformer, the journey that leads to that its high failure rate, stability are poor, structure is complicated
Spend the defect improved.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of outdoor high-voltage insulation with high pressure current-taking function is sub, including shell, and sealing is cast with height in the shell
Pressure conductive nut, protective device take electric transducer and low pressure accessory power outlet, described protective device one end and the high-pressure conductive
Nut connection conducting, the other end connect conducting with the high-pressure side for taking electric transducer；The low pressure accessory power outlet takes with described
The low-pressure side of electric transducer connects conducting；High-pressure conductive part in external high pressure switchgear is fastenedly connected by screw flight
In the high-pressure conductive nut, and conducting is connect with the high-pressure conductive nut；External sensor lock pin is threaded in described low
It presses on accessory power outlet, and connect conducting with the low pressure accessory power outlet.
It is further, described that take electric transducer include electronic type voltage transformer and rectifier, the electronic type voltage mutual inductance
The high-voltage arm of device connect conducting with the protective device, low-voltage arm is connect with the low pressure accessory power outlet by the rectifier and led
It is logical.
Further, the protective device is fuse.
Further, the material that the sealing pours is enhancing nylon PA66 or epoxy resin.
Further, the low pressure accessory power outlet 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 shell is fixedly connected with the shell, and extends out to the hull outside, the core print seat with it is described
The low-pressure side of electric transducer is taken to connect conducting.
Further, the head of the external sensor lock pin is equipped with and can be threaded in outside the metal threaded shell
The outer nut of side, the outer nut inside is equipped with internal lock pin, and mutually insulated between the inside lock pin and outer nut, described
When outer nut is connect with metal threaded outer casing screw, which connect conducting with the core print seat.
Further, the shell is silicone rubber housings.
Compared to the prior art, the beneficial effect that the utility model generates is:
The utility model structure is simple, practical, by using the capacitor for the high-pressure side and low-pressure side for taking electric transducer
Change of current effect is divided, primary high voltage electric energy can be converted into the low-voltage electric energy proportional to primary voltage and phase,
And electric energy is stored to controlling terminal.It has the advantages that 1, novel is taken electric transducer technology and traditional outdoor high-voltage
Insulator is combined into one, and substitutes the voltage transformer of traditional electromagnetic type, optimizes switchgear internal structure, improves out
The insulation performance and protective capacities of equipment are closed, IP protective capacities reaches IP67；2, using novel voltage sensor technology, substitution
Traditional iron core winding type voltage transformer makes voltage sensor without iron core, will not be saturated, and measurement range is big, linear essence
Degree is high, improves the reliability of equipment；Voltage output end second short circuit will not generate high current simultaneously, not generate ferromagnetic resonance, protect
Witness person's equipment safety；3, built-in voltage protector for sensor, protection voltage sensor cause to damage because of the electric fault of power grid
It is bad；4, the integrated design being poured using sealing is simplified device context installation, improves reliability.
Detailed description of the invention
Fig. 1 is the internal structure schematic diagram of the utility model.
In when Fig. 2 is connect with high-pressure conductive part, the sensor lock pin in high-tension switch gear respectively for the utility model
Portion's structure 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 outdoor high-voltage insulation with high pressure current-taking function is sub, including shell 1, solid in shell 1
Envelope is cast with high-pressure conductive nut 2, protective device 3, takes electric transducer 4 and low pressure accessory power outlet 5.Wherein, protective device 3 one
End connect conducting, the other end with high-pressure conductive nut 2 and connect conducting with the high-pressure side of electric transducer 4 is taken；Low pressure accessory power outlet 5 with
The low-pressure side of electric transducer 4 is taken to connect conducting；High-pressure conductive part 6 in external high pressure switchgear passes through 61 screw threads for fastening of screw rod
It is connected in high-pressure conductive nut 2, and connect conducting with the high-pressure conductive nut 2；External sensor lock pin 7 is threaded in low
It presses on accessory power outlet 5, and connect conducting with the low pressure accessory power outlet 5.The utility model is by using the high pressure for taking electric transducer 4
The capacitance partial pressure change of current of side and low-pressure side acts on, primary high voltage electric energy can be converted into primary voltage and phase at than
The low-voltage electric energy of example, and electric energy is stored to controlling terminal.It has the advantages that 1, by it is novel take electric transducer technology with
Traditional outdoor high-voltage insulation is combined into one, and substitutes the voltage transformer of traditional electromagnetic type, optimizes in switchgear
Portion's structure, improves the insulation performance and protective capacities of switchgear, and IP protective capacities reaches IP67；2, using novel electricity
Sensing technology is pressed, instead of traditional iron core winding type voltage transformer, makes voltage sensor without iron core, will not be saturated, survey
It is big to measure range, linear precision is high, improves the reliability of equipment；Voltage output end second short circuit will not generate high current simultaneously, no
Ferromagnetic resonance is generated, guarantees personnel's equipment safety；3, built-in voltage protector for sensor protects voltage sensor because of power grid
Electric fault causes to damage；4, the integrated design being poured using sealing is simplified device context installation, improves reliability.
Referring to Fig.1, Fig. 2.Taking electric transducer 4 includes electronic type voltage transformer 41 and rectifier 42, the electronic type voltage
The high-voltage arm 411 of mutual inductor 41 connect conducting with protective device 3, by the high voltage electricity in power grid in a 10kV or 20kV system
It can be converted into the low-voltage direct-current electric energy proportional to primary voltage and phase, the low-voltage arm of the electronic type voltage transformer 41
412 connect conducting with low pressure accessory power outlet 5 by rectifier 42, store electric energy to controlling terminal.
Referring to Fig.1, Fig. 2.The material that sealing pours is enhancing nylon PA66 or epoxy resin, to play effective insulation
Effect.In addition, settable protective device 3 is fuse in the present embodiment.
Referring to Fig.1, Fig. 2.Low pressure accessory power outlet 5 includes that core print seat 51 and insulation are installed in the metal threaded of 51 outside of core print seat
Shell 52, which is fixedly connected with shell 1, and extends out to outside the shell 1, consequently facilitating with outer
Portion's sensor lock pin 7 is threadedly coupled；Core print seat 51 connect conducting with the low-pressure side for taking electric transducer 4, specifically are as follows: electronic type voltage
The low-voltage arm 412 of mutual inductor 41 connect conducting with core print seat 51 by rectifier 42.
Referring to Fig.1, Fig. 2.The head of external sensor lock pin 7, which is equipped with, can be threaded in metal threaded 52 outside of shell
Outer nut 71, be equipped with inside outer nut 71 internal lock pin (not shown go out), and phase between the inside lock pin and outer nut 71
Mutually insulation, when outer nut 71 is threadedly coupled with metal threaded shell 52, which connect conducting with core print seat 51.Sensor is inserted
The tail portion of core 7 is equipped with low pressure output cable 72, and low pressure output cable 72 is used to transfer signals to the control of high-tension switch gear
Terminal.
Referring to Fig.1, Fig. 2.Shell 1 is silicone rubber housings.In the present embodiment, high-pressure conductive nut 2 is located at housing head 11,
And number is two, and by two screw rods 61, screw threads for fastening is connected to two high-pressure conductive nuts 2 to high-pressure conductive part 6 respectively
It is interior；Low pressure accessory power outlet 5 is located at shell tail portion 12, and shell tail portion 12 is also provided with two screw holes 13, when installation, by shell
1 is placed on a sensor mounting plate 8, then by two respectively sealed bolt 81 compatible with two screw holes 13 by shell
1 with sensor mounting plate 8 is sealed links together；External sensor lock pin 7 is threadedly coupled low pressure accessory power outlet 5 again later
On.
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 outdoor high-voltage insulation with high pressure current-taking function, including shell, it is characterised in that: sealing in the shell
Be cast with high-pressure conductive nut, protective device, take electric transducer and low pressure accessory power outlet, described protective device one end with it is described
High-pressure conductive nut connection conducting, the other end connect conducting with the high-pressure side for taking electric transducer；The low pressure accessory power outlet
Conducting is connect with the low-pressure side for taking electric transducer；High-pressure conductive part in external high pressure switchgear is tight by screw flight
It is solidly connected in the high-pressure conductive nut, and connect conducting with the high-pressure conductive nut；External sensor lock pin is threadedly coupled
Conducting is connect on the low pressure accessory power outlet, and with the low pressure accessory power outlet.
2. a kind of outdoor high-voltage insulation with high pressure current-taking function as described in claim 1, it is characterised in that: described to take electricity
Sensor includes electronic type voltage transformer and rectifier, and the high-voltage arm of the electronic type voltage transformer and the protective device connect
It connects conducting, low-voltage arm and conducting is connect with the low pressure accessory power outlet by the rectifier.
3. a kind of outdoor high-voltage insulation with high pressure current-taking function as described in claim 1, it is characterised in that: the protection
Device is fuse.
4. a kind of outdoor high-voltage insulation with high pressure current-taking function as described in claim 1, it is characterised in that: the sealing
The material poured is enhancing nylon PA66 or epoxy resin.
5. a kind of outdoor high-voltage insulation with high pressure current-taking function as described in claim 1, it is characterised in that: the low pressure
Accessory power outlet includes core print seat and the insulate metal threaded shell being installed on the outside of the core print seat, the metal threaded shell and the shell
Body is fixedly connected, and extends out to the hull outside, and the core print seat connect conducting with the low-pressure side for taking electric transducer.
6. a kind of outdoor high-voltage insulation with high pressure current-taking function as claimed in claim 5, it is characterised in that: the outside
The head of sensor lock pin, which is equipped with, can be threaded in the outer nut of the metal threaded outer side of shell, inside the outer nut
Equipped with internal lock pin, and mutually insulated between the inside lock pin and outer nut, the outer nut and metal threaded outer casing screw
When connection, which connect conducting with the core print seat.
7. a kind of outdoor high-voltage insulation with high pressure current-taking function as described in claim 1, it is characterised in that: the shell
For silicone rubber housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020100.0U CN208336071U (en) | 2018-06-29 | 2018-06-29 | A kind of outdoor high-voltage insulation with high pressure current-taking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821020100.0U CN208336071U (en) | 2018-06-29 | 2018-06-29 | A kind of outdoor high-voltage insulation with high pressure current-taking function |
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| Publication Number | Publication Date |
|---|---|
| CN208336071U true CN208336071U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821020100.0U Active CN208336071U (en) | 2018-06-29 | 2018-06-29 | A kind of outdoor high-voltage insulation with high pressure current-taking function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952019A (en) * | 2020-08-13 | 2020-11-17 | 许继集团有限公司 | Insulator of built-in capacitor EVT assembly and processing method thereof |
-
2018
- 2018-06-29 CN CN201821020100.0U patent/CN208336071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952019A (en) * | 2020-08-13 | 2020-11-17 | 许继集团有限公司 | Insulator of built-in capacitor EVT assembly and processing method thereof |
| CN111952019B (en) * | 2020-08-13 | 2022-04-05 | 许继集团有限公司 | Insulator of built-in capacitor EVT assembly and processing method thereof |
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