CN208157242U - A kind of three-phase intelligent current-limiting apparatus - Google Patents
A kind of three-phase intelligent current-limiting apparatus Download PDFInfo
- Publication number
- CN208157242U CN208157242U CN201720460647.1U CN201720460647U CN208157242U CN 208157242 U CN208157242 U CN 208157242U CN 201720460647 U CN201720460647 U CN 201720460647U CN 208157242 U CN208157242 U CN 208157242U
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- fixed plate
- partition
- sleeve
- magnetizing coil
- push plate
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Abstract
The utility model discloses a kind of three-phase intelligent current-limiting apparatus, including shell, the interior welds of shell have partition, the side of partition is equipped with ammeter, the side of ammeter is equipped with controller, the other side of partition is vertically welded with the first fixed plate, the side of first fixed plate is equipped with the second fixed plate with divider upright welding, it equidistantly welds between second fixed plate and the first fixed plate along the second fixed plate length direction cored, the outside fixing sleeve of iron core is connected to magnetizing coil, magnetizing coil is equipped with and the push plate disposed in parallel of the second fixed plate close to the side of the second fixed plate, push plate is equipped with the driving mechanism being fixedly connected with partition close to one end of partition, push plate is equipped with connection sleeve close to the side of the first fixed plate.The utility model design automatically limits electric current according to the size of electric current, improves the upper limit of the adjusting electric current of magnetizing coil, improves the current-limiting zone of conventional reactor.
Description
Technical field
The utility model relates to current-limiting apparatus technical field more particularly to a kind of three-phase intelligent current-limiting apparatus.
Background technique
Reactor is also inductor, when a conductor is powered will the certain space range occupied by it generate magnetic field,
So the electric conductor of all energy current-carrying has perception in general sense.However the inductance for the long straight conductor that is powered is smaller, it is produced
Magnetic field it is not strong, therefore actual reactor is that conducting wire is coiled into helical form of tubes, claims air reactor；Sometimes for allowing this spiral shell
Spool has bigger inductance, and iron core is just inserted into solenoid, claims iron-core reactor.Reactance is divided into induction reactance and capacitive reactance, compares
The classification of science is impedor（Inductor）And capacitive reactance device（Capacitor）It is referred to as reactor, however since first there is inductance in the past
Device, and referred to as reactor, so capacitor described in people is exactly capacitive reactance device now, and reactor refers exclusively to inductor,
Middle current-limiting reactor is mainly used to limiting short-circuit current, also has and is used to limit power grid with capacitor serial or parallel connection in filter
In higher hamonic wave, but since the coil of traditional reactor is fixed, to make the ability of the limiting short-circuit current of reactor
It is limited, it can not be rotated and be adjusted according to the size of electric current, need a kind of three-phase intelligent current-limiting apparatus thus.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of three-phase intelligent limit proposed
Flow device.
To achieve the goals above, the utility model uses following technical solution：
A kind of three-phase intelligent current-limiting apparatus, including shell, the interior welds of the shell have partition, the side of the partition
Ammeter is installed, the side of the ammeter is equipped with controller, and it is fixed that the other side of the partition is vertically welded with first
Plate, the side of first fixed plate are equipped with the second fixed plate with divider upright welding, second fixed plate and first
Equidistantly weld along the second fixed plate length direction cored between fixed plate, the outside fixing sleeve of the iron core is connected to excitation line
Circle, the magnetizing coil are equipped with and the push plate disposed in parallel of the second fixed plate, the push plate close to the side of the second fixed plate
The driving mechanism being fixedly connected with partition is installed close to one end of partition, the push plate is installed close to the side of the first fixed plate
There is connection sleeve, the inside fixing sleeve of the connection sleeve is connected to the regulating winding with magnetizing coil pivot bush unit, the adjusting
The inner ring fixing sleeve of coil is connected to the distance sleeve with magnetizing coil pivot bush unit, second fixed plate and the first fixed plate phase
Mutually separate side is mounted on the binding post being fixedly connected with magnetizing coil.
Preferably, the both ends of the magnetizing coil are electrically connected with binding post.
Preferably, two groups of binding posts are installed, and the both ends of two groups of binding posts and regulating winding connect in the push plate, institute
It states and is also equipped with ground cable on two groups of binding posts.
Preferably, the driving mechanism includes two groups of bearing blocks along the setting of septum plate length direction, and the inside of bearing block is living
Dynamic to be socketed with lead screw, the outer ring movable sleeve of lead screw is connected to sliding block, and sliding block is fixedly connected with push plate, and one end of lead screw is equipped with drive
Dynamic motor.
Preferably, the outer ring of the distance sleeve offers the circular ring shape holding tank being adapted to regulating winding, the isolation
Insulating layer is stained between the outer ring of sleeve and the inner ring for connecting sleeve.
Preferably, through-hole is offered in the push plate, and the both ends of regulating winding are protruded into from through hole and connect with through-hole, and
Through-hole is located between the outer ring of distance sleeve and the inner ring of connection sleeve.
The beneficial effects of the utility model：Pass through the push plate that is arranged in the outside of magnetizing coil, connection sleeve, separation sleeve
Cylinder, regulating winding and driving mechanism realize the magnetic for adjusting iron core by adjusting the distance between regulating winding and magnetizing coil
The purpose of flux magnitude, to improve the purpose of the adjusting upper current limit of magnetizing coil, the design is automatic according to the size of electric current
Electric current is limited, the current-limiting zone of conventional reactor is improved.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of three-phase intelligent current-limiting apparatus structural schematic diagram；
Fig. 2 be the utility model proposes a kind of three-phase intelligent current-limiting apparatus connect sleeve, distance sleeve and regulating winding
Structural schematic diagram.
In figure：1 shell, 2 partitions, 3 ammeters, 4 controllers, 5 first fixed plates, 6 second fixed plates, 7 iron cores, 8 excitations
Coil, 9 push plates, 10 connection sleeves, 11 distance sleeves, 12 regulating windings, 13 driving mechanisms, 14 binding posts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of three-phase intelligent current-limiting apparatus, including shell 1, the interior welds of shell 1 have partition 2, partition 2
Side ammeter 3 is installed, the side of ammeter 3 is equipped with controller 4, and it is solid that the other side of partition 2 is vertically welded with first
Fixed board 5, the side of the first fixed plate 5 are equipped with the second fixed plate 6 with 2 vertical welding of partition, and the second fixed plate 6 and first is solid
Cored 7 are equidistantly welded along 6 length direction of the second fixed plate between fixed board 5, the outside fixing sleeve of iron core 7 is connected to magnetizing coil 8,
Magnetizing coil 8 close to the side of the second fixed plate 6 be equipped with the push plate 9 disposed in parallel of the second fixed plate 6, push plate 9 close to every
One end of plate 2 is equipped with the driving mechanism 13 being fixedly connected with partition 2, and push plate 9 is equipped with company close to the side of the first fixed plate 5
The inside fixing sleeve of female connector cylinder 10, connection sleeve 10 is connected to the regulating winding 12 with 8 pivot bush unit of magnetizing coil, regulating winding 12
Inner ring fixing sleeve be connected to the distance sleeve 11 with 8 pivot bush unit of magnetizing coil, the second fixed plate 6 and the first fixed plate 5 are mutually
Separate side is mounted on the binding post 14 being fixedly connected with magnetizing coil 8.
The both ends of magnetizing coil 8 are electrically connected with binding post 14, and two groups of binding posts, and two groups of wiring are equipped in push plate 9
Column is connect with the both ends of regulating winding 12, and ground cable is also equipped on two groups of binding posts, and driving mechanism 13 includes long along partition 2
Two groups of bearing blocks of direction setting are spent, the internal activity of bearing block is socketed with lead screw, and the outer ring movable sleeve of lead screw is connected to sliding block, and
Sliding block is fixedly connected with push plate 9, and one end of lead screw is equipped with driving motor, and the outer ring of distance sleeve 11 offers and regulating winding
The circular ring shape holding tank of 12 adaptations, is stained with insulating layer, push plate 9 between the outer ring of distance sleeve 11 and the inner ring for connecting sleeve 10
On offer through-hole, and the both ends of regulating winding 12 are protruded into from through hole and are connect with through-hole, and through-hole is located at distance sleeve 11
Between outer ring and the inner ring for connecting sleeve 10.
In the utility model, by the input terminal of the ammeter 3 of model B600AC1-3A1 and connecing in the first fixed plate 5
Terminal 14 connects, and then connect the output end of ammeter 3 with the controller 4 of model ARM single-chip microcontroller, at this time when electric current mistake
Gao Shi, controller 4 controls the driving motor rotation in driving mechanism 13, to adjust between regulating winding 12 and magnetizing coil 8
Distance, so that the magnetic flux size of iron core 7 is adjusted, to improve the purpose of the adjusting upper current limit of magnetizing coil, the design
Electric current is limited automatically according to the size of electric current, improves the current-limiting zone of conventional reactor.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of three-phase intelligent current-limiting apparatus, including shell（1）, it is characterised in that：The shell（1）Interior welds have partition
（2）, the partition（2）Side ammeter is installed（3）, the ammeter（3）Side controller is installed（4）, described
Partition（2）The other side be vertically welded with the first fixed plate（5）, first fixed plate（5）Side be equipped with and partition（2）
Second fixed plate of vertical welding（6）, second fixed plate（6）With the first fixed plate（5）Between along the second fixed plate（6）It is long
Equidistantly weld cored in degree direction（7）, the iron core（7）Outside fixing sleeve be connected to magnetizing coil（8）, the magnetizing coil
（8）Close to the second fixed plate（6）Side be equipped with and the second fixed plate（6）Push plate disposed in parallel（9）, the push plate（9）
Close to partition（2）One end be equipped with and partition（2）The driving mechanism being fixedly connected（13）, the push plate（9）It is solid close to first
Fixed board（5）Side connection sleeve is installed（10）, the connection sleeve（10）Inside fixing sleeve be connected to and magnetizing coil（8）
The regulating winding of pivot bush unit（12）, the regulating winding（12）Inner ring fixing sleeve be connected to and magnetizing coil（8）Pivot bush unit
Distance sleeve（11）, second fixed plate（6）With the first fixed plate（5）The side being located remotely from each other is mounted on and excitation line
Circle（8）The binding post being fixedly connected（14）.
2. a kind of three-phase intelligent current-limiting apparatus according to claim 1, which is characterized in that the magnetizing coil（8）Two
End is and binding post（14）Electrical connection.
3. a kind of three-phase intelligent current-limiting apparatus according to claim 1, which is characterized in that the push plate（9）On be equipped with
Two groups of binding posts, and two groups of binding posts and regulating winding（12）Both ends connection, be also equipped with ground connection on two groups of binding posts
Cable.
4. a kind of three-phase intelligent current-limiting apparatus according to claim 1, which is characterized in that the driving mechanism（13）Including
Along partition（2）Two groups of bearing blocks of length direction setting, the internal activity of bearing block are socketed with lead screw, the outer ring movable sleeve of lead screw
It is connected to sliding block, and sliding block and push plate（9）It is fixedly connected, one end of lead screw is equipped with driving motor.
5. a kind of three-phase intelligent current-limiting apparatus according to claim 1, which is characterized in that the distance sleeve（11）It is outer
Circle offers and regulating winding（12）The circular ring shape holding tank of adaptation, the distance sleeve（11）Outer ring with connect sleeve（10）
Inner ring between be stained with insulating layer.
6. a kind of three-phase intelligent current-limiting apparatus according to claim 1, which is characterized in that the push plate（9）On offer
Through-hole, and regulating winding（12）Both ends protrude into from through hole and connect with through-hole, and through-hole is located at distance sleeve（11）Outer ring
With connect sleeve（10）Inner ring between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460647.1U CN208157242U (en) | 2017-04-28 | 2017-04-28 | A kind of three-phase intelligent current-limiting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460647.1U CN208157242U (en) | 2017-04-28 | 2017-04-28 | A kind of three-phase intelligent current-limiting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157242U true CN208157242U (en) | 2018-11-27 |
Family
ID=64413125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460647.1U Expired - Fee Related CN208157242U (en) | 2017-04-28 | 2017-04-28 | A kind of three-phase intelligent current-limiting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208157242U (en) |
-
2017
- 2017-04-28 CN CN201720460647.1U patent/CN208157242U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20210428 |