CN108761198A - Ring main unit electronic type gage probe - Google Patents
Ring main unit electronic type gage probe Download PDFInfo
- Publication number
- CN108761198A CN108761198A CN201810527540.3A CN201810527540A CN108761198A CN 108761198 A CN108761198 A CN 108761198A CN 201810527540 A CN201810527540 A CN 201810527540A CN 108761198 A CN108761198 A CN 108761198A
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- CN
- China
- Prior art keywords
- voltage sensor
- ring
- insulation shell
- current sensors
- type current
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
Ring main unit electronic type gage probe, including ring-type current sensors and voltage sensor.Ring-type current sensors are set on the outside of the first conductor of cable accessory.Voltage sensor includes once mounting end, thin-film capacitor and voltage sensor insulation shell.Once mounting end is arranged at the top of voltage sensor insulation shell, and once mounting end lower part connects thin-film capacitor upper end, and thin-film capacitor lower end connects voltage sensor secondary outlet terminal by lead.Between the first conductor and the second conductor that the once mounting end of voltage sensor is arranged in cable accessory.Cable accessory lower part is inserted on voltage sensor insulation shell top.Small product size is small, installation is simple, directly realizes electrical energy measurement using original looped network cabinet.Universal cable accessory switching in the market can be used, there is the ferromagnetic resonance failure caused by the reasons such as transformer iron core magnetic is full.
Description
Technical field
The invention belongs to ring main unit electronic type metering device fields, more particularly to ring main unit electronic type measurement sensory
Device.
Background technology
Ring main unit is not suitable for taking conventional high-tension metered scheme directly with biography since structure limitation inner space is extremely compact
CT, PT of system, it is necessary to it is separately equipped with metering cabinet, it is of high cost especially for the transformation project for needing to add function of measuring.
Invention content
The object of the present invention is to provide ring main unit electronic type gage probe, this electronic type gage probe is small,
Installation is simple, easy to use.
The technical solution adopted is that：
Ring main unit electronic type gage probe, including ring-type current sensors and voltage sensor.
Technical points exist：
It is ring-type current sensors insulation shell on the outside of ring-type current sensors coil.
The current sensor output of ring-type current sensors is located at ring-type current sensors insulation shell surface.
Ring-type current sensors are set on the outside of the first conductor of cable accessory.
Voltage sensor includes once mounting end, thin-film capacitor and voltage sensor insulation shell.
Once mounting end is arranged at the top of voltage sensor insulation shell, and top is located at outside voltage sensor insulation shell
Side, lower part are located on the inside of voltage sensor insulation shell.
Once mounting end lower part connects thin-film capacitor upper end, and thin-film capacitor lower end is secondary by lead connection voltage sensor
Outlet terminal.
Thin-film capacitor is arranged in voltage sensor insulation shell.
Between the first conductor and the second conductor that the once mounting end of voltage sensor is arranged in cable accessory.
Cable accessory lower part is inserted on voltage sensor insulation shell top.
This product uses capacitance voltage sensing technology, and voltage sensor is fabricated to the pattern of cable accessory, can not changed
It uses ring current transformer as current signal sampling element under the premise of becoming original cabinet body structure, avoids open C T precision
Difference, the problem of stability difference.
The working power of electric energy meter is divided also by 10kV and is obtained, and ensures the reliable and stable of working power.
Technical parameter：Model：JLSEY-10.Accuracy class：Active 0.5S ranks；Idle 2 grades.Rated voltage：3×
10kV.Rated current：300~500A.Measure standard：Phase three-wire three.Type of device：It is indoor.
It the advantage is that：
A, small product size is small, installation is simple, and metering transformation is carried out using the original design of looped network cabinet, can be user save at
This, directly realizes electrical energy measurement using original looped network cabinet.
B, cable accessory switching universal in the market can be used, avoid leading to not because of on-site cable accessory size difference
The problem of installation, improves the adaptability and installation success rate of product, shortens live power off time.
C, product is examined and determine using global error, and precision carries out whole examination.
D, this product carries out signal acquisition using thin-film capacitor partial pressure, and there is no led due to the reasons such as transformer iron core magnetic is full
The ferromagnetic resonance failure of cause.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the front view of ring-type current sensors.
Fig. 3 is the vertical view of ring-type current sensors.
Fig. 4 is the front sectional view of voltage sensor.
Fig. 5 is the side view of voltage sensor.
Ring-type current sensors insulation shell 1, ring-type current sensors 2, current sensor output 3, once mounting end
4, rubber layer 5, epoxy resins insulation structure sheaf 6, thin-film capacitor 7, voltage sensor secondary outlet terminal 8, cable accessory 9, original
Cable accessory 10, bilateral casing 11, voltage sensor 12, the first conductor 13, the second conductor 14.
Specific implementation mode
Ring main unit electronic type gage probe, including ring-type current sensors 2 and voltage sensor 12.
2 coil of ring-type current sensors is around being located on iron core.
It is ring-type current sensors insulation shell 1, ring-type current sensors insulation shell on the outside of 2 coil of ring-type current sensors
Body 1 is epoxy resin shell.
The current sensor output 3 of ring-type current sensors 2 is located at 1 surface of ring-type current sensors insulation shell, will
Current signal is supplied to electric energy meter.
Ring-type current sensors 2 are set in cable accessory 9（Universal cordage attachment, cable connector）Outside the first conductor of left side 13
The place of side.Ring-type current sensors 2 are known technology, therefore not repeated description.
Voltage sensor 12 includes once mounting end 4, thin-film capacitor 7 and voltage sensor insulation shell.
Once mounting end 4 is arranged at the top of voltage sensor insulation shell, and top is located at outside voltage sensor insulation shell
Side, lower part are located on the inside of voltage sensor insulation shell.
4 lower part of once mounting end connects 7 upper end of thin-film capacitor, and 7 lower end of thin-film capacitor connects voltage sensor by lead
Secondary outlet terminal 8, voltage sensor secondary outlet terminal 8 are located at voltage sensor insulation shell lower base（Can be stainless
Steel base）Outer surface.
Thin-film capacitor 7 is arranged in voltage sensor insulation shell.
The first conductor 13 and the second conductor 14 that the once mounting end 4 of voltage sensor 12 is arranged in cable accessory 9 it
Between.
9 lower part of cable accessory is inserted on voltage sensor insulation shell top, and voltage sensor secondary outlet terminal 8 is located at electricity
9 times outsides of cable fittings.
Voltage sensor secondary outlet terminal 8 is aviation plug, leads to electric energy meter.
The voltage sensor insulation shell includes being located at the epoxy resins insulation structure sheaf 6 of inside and being fixed at outer
The rubber layer 5 of side.
Thin-film capacitor 7 is arranged in epoxy resins insulation structure sheaf 6, and 6 outside of epoxy resins insulation structure sheaf is rubber layer
5,5 upper end of rubber layer is higher than 6 upper end of epoxy resins insulation structure sheaf, and 4 lower part of once mounting end is located in rubber layer 5.
Once mounting end 4 is accessed in high pressure test line.
Voltage sensor 12 is small, height 413mm, bottom base diameter 80mm.
Ring-type current sensors 2 are small, outer diameter 115mm, internal diameter 75mm, thickness 40mm.
9 right side of cable accessory and 10 left side of former cable accessory（Former universal cordage attachment, cable connector）Grafting, cable accessory
9 left side connection bilateral casings 11.
Rubber layer 5 is injection molded elastomer layer.
Claims (5)
1. ring main unit electronic type gage probe, including ring-type current sensors（2）And voltage sensor（12）；Its feature exists
In：
Ring-type current sensors（2）It is ring-type current sensors insulation shell on the outside of coil（1）；
Ring-type current sensors（2）Current sensor output（3）Positioned at ring-type current sensors insulation shell（1）Surface；
Ring-type current sensors（2）It is set in cable accessory（9）First conductor（13）Outside；
Voltage sensor（12）Including once mounting end（4）, thin-film capacitor（7）With voltage sensor insulation shell；
Once mounting end（4）It is arranged at the top of voltage sensor insulation shell, top is located on the outside of voltage sensor insulation shell,
Lower part is located on the inside of voltage sensor insulation shell；
Once mounting end（4）Lower part connects thin-film capacitor（7）Upper end, thin-film capacitor（7）Lower end connects voltage sensor by lead
Device secondary outlet terminal（8）；
Thin-film capacitor（7）It is arranged in voltage sensor insulation shell；
Voltage sensor（12）Once mounting end（4）It is arranged in cable accessory（9）The first interior conductor（13）With the second conductor
（14）Between；
Cable accessory is inserted on voltage sensor insulation shell top（9）Lower part.
2. ring main unit according to claim 1 electronic type gage probe, it is characterised in that：
Voltage sensor secondary outlet terminal（8）Positioned at cable accessory（9）Lower outside；
Ring main unit according to claim 1 electronic type gage probe, it is characterised in that：
Voltage sensor secondary outlet terminal（8）For aviation plug.
3. ring main unit according to claim 1 electronic type gage probe, it is characterised in that：
The voltage sensor insulation shell includes the epoxy resins insulation structure sheaf positioned inside（6）On the outside of being fixed at
Rubber layer（5）；
Thin-film capacitor（7）It is arranged in epoxy resins insulation structure sheaf（6）It is interior, epoxy resins insulation structure sheaf（6）Outside is rubber
Layer（5）, rubber layer（5）Upper end is higher than epoxy resins insulation structure sheaf（6）Upper end, once mounting end（4）Lower part is located at rubber layer
（5）It is interior.
4. ring main unit according to claim 1 electronic type gage probe, it is characterised in that：
Voltage sensor（12）, height 413mm, bottom base diameter 80mm；
Ring-type current sensors（2）, outer diameter 115mm, internal diameter 75mm, thickness 40mm.
5. ring main unit according to claim 1 electronic type gage probe, it is characterised in that：
Ring-type current sensors insulation shell（1）For epoxy resin shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527540.3A CN108761198A (en) | 2018-05-29 | 2018-05-29 | Ring main unit electronic type gage probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527540.3A CN108761198A (en) | 2018-05-29 | 2018-05-29 | Ring main unit electronic type gage probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108761198A true CN108761198A (en) | 2018-11-06 |
Family
ID=64003273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810527540.3A Pending CN108761198A (en) | 2018-05-29 | 2018-05-29 | Ring main unit electronic type gage probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108761198A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375700A (en) * | 2002-02-05 | 2002-10-23 | 周友东 | Voltage sensor |
| CN201229376Y (en) * | 2008-06-27 | 2009-04-29 | 武汉国测科技股份有限公司 | Cable plug-in voltage sensor |
| CN203850705U (en) * | 2014-05-06 | 2014-09-24 | 广州霍斯通电气股份有限公司 | Solid insulation ring network cabinet |
| CN204694795U (en) * | 2015-06-11 | 2015-10-07 | 江苏省电力公司扬州供电公司 | Surge arrester failure indicating circuit |
| CN106546784A (en) * | 2015-09-18 | 2017-03-29 | 侯飞 | A kind of cable accessory constructs the plug-in unit and method of high-voltage electric energy meter |
| CN207336609U (en) * | 2017-11-06 | 2018-05-08 | 陕西正合电气科技有限公司 | A kind of air ring main unit current sensor |
| CN208156079U (en) * | 2018-05-29 | 2018-11-27 | 湖北大二互科技股份有限公司 | Ring network cabinet electronic type gage probe |
-
2018
- 2018-05-29 CN CN201810527540.3A patent/CN108761198A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1375700A (en) * | 2002-02-05 | 2002-10-23 | 周友东 | Voltage sensor |
| CN201229376Y (en) * | 2008-06-27 | 2009-04-29 | 武汉国测科技股份有限公司 | Cable plug-in voltage sensor |
| CN203850705U (en) * | 2014-05-06 | 2014-09-24 | 广州霍斯通电气股份有限公司 | Solid insulation ring network cabinet |
| CN204694795U (en) * | 2015-06-11 | 2015-10-07 | 江苏省电力公司扬州供电公司 | Surge arrester failure indicating circuit |
| CN106546784A (en) * | 2015-09-18 | 2017-03-29 | 侯飞 | A kind of cable accessory constructs the plug-in unit and method of high-voltage electric energy meter |
| CN207336609U (en) * | 2017-11-06 | 2018-05-08 | 陕西正合电气科技有限公司 | A kind of air ring main unit current sensor |
| CN208156079U (en) * | 2018-05-29 | 2018-11-27 | 湖北大二互科技股份有限公司 | Ring network cabinet electronic type gage probe |
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