CN207116215U - A kind of Intelligent electronic optical pole combination transformer - Google Patents
A kind of Intelligent electronic optical pole combination transformer Download PDFInfo
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- CN207116215U CN207116215U CN201721176030.3U CN201721176030U CN207116215U CN 207116215 U CN207116215 U CN 207116215U CN 201721176030 U CN201721176030 U CN 201721176030U CN 207116215 U CN207116215 U CN 207116215U
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- transformer
- mutual inductor
- winding coil
- current mutual
- current
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Abstract
It the utility model is related to a kind of Intelligent electronic optical pole combination transformer, including transformer body, winding coil, winding coil is around being located on ultracrystallite ring, winding coil and the integral structure of ultracrystallite ring poured with epoxy resin, epoxy resin poured body, as transformer body, transformer body have centre bore；Electric connector is equiped with the outer wall of transformer body, two end lead-out wires of winding coil are connected with the corresponding wiring terminal of electric connector respectively.Zero sequence current mutual inductor can be used in 10kV and following switch cubicle, can be supported the use with conventional current transformer or electronic current mutual inductor.Due to replacing iron core with ultramicro-crystal alloy, with in the supporting the use of electronic current mutual inductor, its sensitivity can be more embodied, either small-signal, the utility model zero sequence current mutual inductor are more value in use because the output of electronic current mutual inductor is mostly low current.
Description
Technical field
It the utility model is related to a kind of Intelligent electronic optical pole combination transformer.
Background technology
Zero sequence current mutual inductor is widely used in electric power monitoring, control, metering, protection system, industrial and mining enterprises, skyscraper
In match somebody with somebody, the place such as power transformation, can effectively reduce the construction cost and operation expense of transformer station (distribution substation).Use at present
Zero sequence current mutual inductor, using iron core, for winding coil around being located on iron core, sensitivity is relatively low, in addition, the winding done using iron core
Coil accuracy is low, easy saturation, can all cause no-load voltage ratio to be forbidden.
The content of the invention
The utility model aims to provide a kind of high Intelligent electronic optical pole combination transformer of insulating properties.
In order to solve the above technical problems, the technical scheme of Intelligent electronic optical pole combination transformer is as follows in the utility model：
Intelligent electronic optical pole combination transformer, including transformer body, winding coil, in addition to earth leakage protective device, zero sequence
Current transformer, electron-amplifier, discriminating element and executive component, flexible connection line and the zero sequence electricity of earth leakage protective device load-side
The primary winding connection of current transformer, the winding coil of zero sequence current mutual inductor are connected with electron-amplifier, and electron-amplifier connects
Discriminating element, discriminating element connect executive component, executive component and earth leakage protective device mechanical chain and act, earth leakage protective device is negative
Carry side per an in parallel shunt conductor, shunt conductor are configured to the primary winding of zero sequence current mutual inductor on flexible connection line all the way,
Shunt conductor is wound with the identical number of turns in the same direction；Winding coil is around being located on ultracrystallite ring, winding coil and ultra micro
The brilliant integral structure of ring poured with epoxy resin, as epoxy resin poured body, transformer body, transformer body have center
Hole；Electric connector is equiped with the outer wall of transformer body, two end lead-out wires of winding coil are corresponding with electric connector respectively
Binding post connects.
Also include single-phase DC power supply, current detecting unit, voltage detection unit and signal gathering unit, single-phase DC electricity
The output end in source respectively with current detecting unit, the input of detected Zero magnetic flux direct-current current transformer electronic measuring unit
It is connected, the output end phase of the input of voltage detection unit and detected Zero magnetic flux direct-current current transformer electronic measuring unit
Even, current detecting unit, the output end of voltage detection unit are connected with the input of signal gathering unit respectively, signal acquisition list
The output end of member is connected with host computer.
Also including housing and intraware, the housing is provided with binding post, and the binding post electrically connects with intraware,
The binding post is provided with protective cover, and the protective cover is detachably connected with housing, and the housing, which is provided with, to be used to lock protection
The electronic lock of cover, is provided with electric switch in the housing, and the electric switch is knife switch, the intraware and binding post with
Knife switch is electrically connected, and the plug-in strip of the knife switch is fixedly connected with protective cover, and pedestal and the housing of the knife switch are consolidated
Fixed connection.
The beneficial effects of the utility model are：
Zero sequence current mutual inductor can be used in 10kV and following switch cubicle, can be with conventional current transformer or electronic type electricity
Current transformer supports the use.Due to replacing iron core with ultramicro-crystal alloy, with the supporting the use of electronic current mutual inductor, more
Its sensitivity can be embodied, because the output of electronic current mutual inductor is mostly low current either small-signal, this practicality
Novel zero-sequence current transformer is more value in use.
Brief description of the drawings
Fig. 1 is the structural representation of transformer.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not rushing
In the case of prominent, the feature in embodiment and embodiment in the utility model can be mutually combined.
The embodiment of Intelligent electronic optical pole combination transformer of the present utility model：As shown in figure 1, the transformer includes mutual inductance
Device body 1, winding coil 2, around being located on ultracrystallite ring 3, winding coil 2 and ultracrystallite ring 3 are poured winding coil 2 with epoxy resin
An overall structure, as epoxy resin poured body, transformer body 1 are formed, transformer body 1 has centre bore 4.Transformer body
It is equiped with electric connector 5 on 1 outer wall, the corresponding wiring terminal of two end lead-out wires 6 of winding coil respectively with electric connector 5 connects
Connect.The lower end of transformer body 1 is embedded with least two foundation bolts 7.
Also include earth leakage protective device, zero sequence current mutual inductor, electron-amplifier, discriminating element and executive component, leak electricity
The flexible connection line of protector load-side and the primary winding of zero sequence current mutual inductor connect, the winding coil of zero sequence current mutual inductor
It is connected with electron-amplifier, electron-amplifier connects discriminating element, and discriminating element connects executive component, executive component and earth leakage protective device
Mechanical chain and act, earth leakage protective device in load-side per a shunt conductor in parallel on flexible connection line all the way, shunt conductor structure
As the primary winding of zero sequence current mutual inductor, shunt conductor is wound with the identical number of turns in the same direction.
Preferably, in addition to single-phase DC power supply, current detecting unit, voltage detection unit and signal gathering unit, it is single
The output end of phase dc source respectively with current detecting unit, detected Zero magnetic flux direct-current current transformer electronic measuring unit
Input be connected, the input of voltage detection unit and detected Zero magnetic flux direct-current current transformer electronic measuring unit
Output end is connected, and current detecting unit, the output end of voltage detection unit are connected with the input of signal gathering unit respectively, letter
The output end of number collecting unit is connected with host computer.
Preferably, in addition to housing and intraware, the housing are provided with binding post, the binding post and intraware
Electrical connection, the binding post are provided with protective cover, and the protective cover is detachably connected with housing, and the housing, which is provided with, to be used to lock
Determine the electronic lock of protective cover, be provided with electric switch in the housing, the electric switch is knife switch, the intraware and wiring
Post is electrically connected with knife switch, and the plug-in strip of the knife switch is fixedly connected with protective cover, the pedestal of the knife switch with
Housing is fixedly connected.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (3)
1. Intelligent electronic optical pole combination transformer, including transformer body, winding coil, it is characterised in that also include electric leakage and protect
Protect device, zero sequence current mutual inductor, electron-amplifier, discriminating element and executive component, the flexible connection of earth leakage protective device load-side
The primary winding of line and zero sequence current mutual inductor is connected, and the winding coil of zero sequence current mutual inductor is connected with electron-amplifier, electricity
Sub- amplifier connects discriminating element, and discriminating element connects executive component, executive component and earth leakage protective device mechanical chain and act, leak electricity
Protector is in load-side per a shunt conductor in parallel, shunt conductor are configured to zero sequence current mutual inductor on flexible connection line all the way
Primary winding, shunt conductor are wound with the identical number of turns in the same direction；Winding coil is around being located on ultracrystallite ring, winding wire
Circle and the integral structure of ultracrystallite ring poured with epoxy resin, epoxy resin poured body are transformer body, transformer sheet
Body has centre bore；Electric connector is equiped with the outer wall of transformer body, two end lead-out wires of winding coil are respectively with electrically connecting
The corresponding wiring terminal connection of device.
2. Intelligent electronic optical pole combination transformer according to claim 1, it is characterised in that also including single-phase DC electricity
Source, current detecting unit, voltage detection unit and signal gathering unit, the output end of single-phase DC power supply respectively with current detecting
Unit, the input of detected Zero magnetic flux direct-current current transformer electronic measuring unit are connected, the input of voltage detection unit
The output end with detected Zero magnetic flux direct-current current transformer electronic measuring unit is held to be connected, current detecting unit, voltage inspection
The output end for surveying unit is connected with the input of signal gathering unit respectively, output end and the host computer phase of signal gathering unit
Even.
3. Intelligent electronic optical pole combination transformer according to claim 1 or 2, it is characterised in that also including housing and interior
Parts, the housing are provided with binding post, and the binding post electrically connects with intraware, and the binding post is provided with protection
Cover, the protective cover is detachably connected with housing, and the housing is provided with the electronic lock for locking protective cover, in the housing
Provided with electric switch, the electric switch is knife switch, and the intraware and binding post electrically connect with knife switch, the lock
The plug-in strip of knife-like switch is fixedly connected with protective cover, and the pedestal of the knife switch is fixedly connected with the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176030.3U CN207116215U (en) | 2017-08-31 | 2017-08-31 | A kind of Intelligent electronic optical pole combination transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176030.3U CN207116215U (en) | 2017-08-31 | 2017-08-31 | A kind of Intelligent electronic optical pole combination transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116215U true CN207116215U (en) | 2018-03-16 |
Family
ID=61576631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721176030.3U Active CN207116215U (en) | 2017-08-31 | 2017-08-31 | A kind of Intelligent electronic optical pole combination transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116215U (en) |
-
2017
- 2017-08-31 CN CN201721176030.3U patent/CN207116215U/en active Active
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