CN206003609U - Intelligent high-pressure transformer - Google Patents
Intelligent high-pressure transformer Download PDFInfo
- Publication number
- CN206003609U CN206003609U CN201620642210.5U CN201620642210U CN206003609U CN 206003609 U CN206003609 U CN 206003609U CN 201620642210 U CN201620642210 U CN 201620642210U CN 206003609 U CN206003609 U CN 206003609U
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- transformer
- voltage transformer
- pressure
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- 238000004804 winding Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses Intelligent high-pressure transformer, including housing and voltage transformer, described voltage transformer is arranged on the inside of housing, and described housing is provided with three high pressure primary connection terminals, two low-pressure secondary outlet terminals, three residual voltage secondary output terminals；Described voltage transformer includes an annular core, a high-tension coil being wound on iron core, the powered projection of secondary work potential winding, secondary power coil and the electrical connection of each high pressure primary connection terminal, and described annular core is set on powered projection；Described secondary work potential winding leading-out terminal is connected with the end of incoming cables of a capacitive divider and the end of incoming cables of a low-pressure secondary outlet terminal respectively, and the leading-out terminal of described each capacitive divider is connected with corresponding residual voltage secondary output terminals；This utility model can use as zero sequential potential transformer, can use as common step-down voltage transformer again, have multi-functional advantage.
Description
Technical field
This utility model belongs to electrical equipment technical field and in particular to a kind of Intelligent high-pressure transformer.
Background technology
High-voltage mutual inductor applies to, in 1kv to 220kv power system, big voltage conversion is become small voltage or by high current
Be converted into small current in order to the transformer measuring, protecting, use, be generally divided into 3kv, 6kv, 10kv, 35kv, 66kv,
110kv、220kv.
The secondary output voltage terminal of existing electromagnetic potential transformer does not allow to be in and works under short-circuit condition, once occurring
Short circuit will occur to explode or burn phenomenon it is impossible to ensure that power equipment normally runs.Existing traditional voltage transformer is main
It is made up of iron core, high-tension coil, 100 volts of output windings of secondary standard and shell etc..When primary winding accesses high pressure,
Secondary coil exports 100 volts of voltages for protection, measurement, metering, instruction etc., will send out when there is secondary voltage short circuit
Raw burn is ruined, and causes very big economic loss.Additionally, prior art is used for protecting the method for voltage transformer to only have installation insurance silk
Or air switch, but protection precision is poor, and operation is loaded down with trivial details.
Existing High-Voltage Electrical Appliances simultaneously, its creepage protection function adopts zero sequence current mutual inductor to realize, existing zero sequence electricity
Current transformer, volume is larger, and function is more single, and its structure remains is needing improvements badly.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, now provides a kind of structure letter
Intelligent high-pressure transformer single, easy to use, reasonable in design.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：Intelligent high-pressure transformer, its innovation
Point is：Including housing and voltage transformer, described voltage transformer is arranged on the inside of housing, and described housing is provided with three
Individual high pressure primary connection terminal, two low-pressure secondary outlet terminals, three residual voltage secondary output terminals；Described mutual induction of voltage
Device includes an annular core, a high-tension coil being wound on iron core, secondary work potential winding, secondary power coil and each
The powered projection of high pressure primary connection terminal electrical connection, described annular core is set on powered projection；Described secondary work electricity
Line ball finish lead is connected with the end of incoming cables of a capacitive divider and the end of incoming cables of a low-pressure secondary outlet terminal respectively
Connect, the leading-out terminal of described each capacitive divider is connected with corresponding residual voltage secondary output terminals；
It is additionally provided with signal gathering unit, signal feedback unit, signal processing unit in described voltage transformer, execute list
Unit and reset signal unit, described signal gathering unit is connected with signal feedback unit, described signal feedback unit respectively with
Signal processing unit and performance element are attached, and described signal processing unit is connected with performance element, described performance element
It is connected with reset signal unit, described secondary power coil and signal feedback unit, signal processing unit and performance element divide
It is not attached.
Further, the number of described powered projection is 3, and described annular core is set in three powered projections simultaneously
On.
Further, described signal processing unit includes operational amplifier U1A and computing comparator U1B, and described computing is put
Big device U1A and computing comparator U1B is all using LM358.
Further, described performance element includes the relay coil that audion and its colelctor electrode connect.
Further, described signal gathering unit by be attempted by secondary work potential winding outfan two series resistances and
The resistance that one end is connected with concatenation point is constituted.
The beneficial effects of the utility model are as follows：
（1）This utility model passes through setting signal feedback unit, signal processing unit, performance element on transformer, when
When feedback unit detects short-circuit signal, signal processing unit is processed to short circuit, and then performance element cuts off short circuit immediately
It is ensured that transformer is not damaged, when short trouble is excluded, feedback unit confirms that not in the short-circuit state, performance element stands in source
Unlock, recover transformer normal work.This utility model has broken described voltage transformer secondary voltage in existing textbook
Will necessarily occur when short-circuit to explode or burn the saying of phenomenon, becoming voltage transformer secondary voltage can be effectively when being short-circuited
From damage, the development for power industry is significant, and has significant economic benefit and social benefit simultaneously.
（2）This utility model can use as zero sequential potential transformer, again can be used as common step-down voltage transformer
Use, there is multi-functional advantage.
Brief description
Fig. 1 is illustrative view of functional configuration of the present utility model；
Fig. 2 is left view of the present utility model；
Fig. 3 is upward view of the present utility model；
Fig. 4 is internal structure schematic diagram of the present utility model；
Fig. 5 is right view of the present utility model.
Specific embodiment
Hereinafter embodiment of the present utility model is illustrated by particular specific embodiment, those skilled in the art can be by this
Content disclosed by description understands other advantages of the present utility model and effect easily.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, Intelligent high-pressure transformer, including housing 1 and voltage transformer 2, electricity
Pressure transformer 2 is arranged on the inside of housing 1, housing 1 is provided with 11, two low-pressure secondaries of three high pressure primary connection terminals and goes out
12, three residual voltage secondary output terminals 13 of line terminals；Voltage transformer 2 includes an annular core 24, is wound on iron core 24
On a high-tension coil 21, secondary work potential winding 22, secondary power coil 23 and each high pressure primary connection terminal 11 electricity
The powered projection 4 connecting, annular core 24 is set on powered projection 4；Secondary work potential winding 22 leading-out terminal is respectively with one
The end of incoming cables of the end of incoming cables of individual capacitive divider 3 and a low-pressure secondary outlet terminal 12 is connected, each capacitive divider 3
Leading-out terminal is connected with corresponding residual voltage secondary output terminals 13；
It is additionally provided with signal gathering unit 5, signal feedback unit 6, signal processing unit 7 in voltage transformer 2, execute list
Unit 8 and reset signal unit 9, signal gathering unit 5 is connected with signal feedback unit 6, signal feedback unit 6 respectively with signal
Processing unit 7 and performance element are attached, and signal processing unit 7 is connected with performance element 8, and performance element 8 is believed with resetting
Number unit 9 is connected, and secondary power coil 23 is carried out respectively with signal feedback unit 6, signal processing unit 7 and performance element 8
Connect.
The number of powered projection 4 is 3, and annular core 24 is set on three powered projections 4 simultaneously.This utility model was both
Can use as zero sequential potential transformer, can use as common step-down voltage transformer again, there is multi-functional advantage.
Signal processing unit 7 includes operational amplifier U1A and computing comparator U1B, and operational amplifier U1A and computing are compared
Device U1B is all using LM358；Performance element 8 includes the relay coil that audion and its colelctor electrode connect；Signal gathering unit 5
It is made up of the resistance that two series resistances being attempted by secondary work potential winding 22 outfan and one end are connected with concatenation point.This reality
With new by setting signal feedback unit 6, signal processing unit 7, performance element on transformer 2, when feedback unit 6 detects
During to short-circuit signal, signal processing unit 7 is processed to short circuit, and then performance element 8 cuts off short-circuit source immediately it is ensured that mutual inductance
Device 2 is not damaged, and when short trouble is excluded, feedback unit 6 confirms that not in the short-circuit state, performance element 8 unlocks immediately, extensive
Multiple transformer 2 normal work.This utility model has been broken must during described voltage transformer 2 secondary voltage short circuit in existing textbook
So can occur to explode or burn the saying of phenomenon, becoming voltage transformer 2 secondary voltage can be effectively from ruining when being short-circuited
Damage, the development for power industry is significant, and has significant economic benefit and social benefit simultaneously.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into
In the rights protection scope of this utility model patent.
Claims (1)
1. Intelligent high-pressure transformer it is characterised in that：Including housing and voltage transformer, described voltage transformer is arranged on shell
The inside of body, described housing is provided with three high pressure primary connection terminals, two low-pressure secondary outlet terminals, three zero sequence electricity
Pressure secondary output terminals；Described voltage transformer includes an annular core, high-tension coil, a secondary working being wound on iron core
Make the powered projection of potential winding, secondary power coil and the electrical connection of each high pressure primary connection terminal, described annular core is sheathed
On powered projection；Described secondary work potential winding leading-out terminal is low with the end of incoming cables of a capacitive divider and one respectively
The end of incoming cables of pressure secondary outlet terminal is connected, and the leading-out terminal of described each capacitive divider is secondary defeated with a corresponding residual voltage
Go out terminal to be connected；Be additionally provided with described voltage transformer signal gathering unit, signal feedback unit, signal processing unit,
Performance element and reset signal unit, described signal gathering unit is connected with signal feedback unit, described signal feedback unit
It is attached with signal processing unit and performance element respectively, described signal processing unit is connected with performance element, described hold
Row unit is connected with reset signal unit, described secondary power coil and signal feedback unit, signal processing unit and execution
Unit is attached respectively；The number of described powered projection is 3, and described annular core is set in three powered projections simultaneously
On；Described signal processing unit includes operational amplifier U1A and computing comparator U1B, described operational amplifier U1A and computing ratio
Compared with device U1B all using LM358；Described performance element includes the relay coil that audion and its colelctor electrode connect；Described signal
The resistance structure that collecting unit is connected with concatenation point by two series resistances being attempted by secondary work potential winding outfan and one end
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642210.5U CN206003609U (en) | 2016-06-27 | 2016-06-27 | Intelligent high-pressure transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642210.5U CN206003609U (en) | 2016-06-27 | 2016-06-27 | Intelligent high-pressure transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003609U true CN206003609U (en) | 2017-03-08 |
Family
ID=58204513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620642210.5U Active CN206003609U (en) | 2016-06-27 | 2016-06-27 | Intelligent high-pressure transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003609U (en) |
-
2016
- 2016-06-27 CN CN201620642210.5U patent/CN206003609U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |