CN208753127U - A kind of vehicle-mounted current transformer - Google Patents
A kind of vehicle-mounted current transformer Download PDFInfo
- Publication number
- CN208753127U CN208753127U CN201821526445.3U CN201821526445U CN208753127U CN 208753127 U CN208753127 U CN 208753127U CN 201821526445 U CN201821526445 U CN 201821526445U CN 208753127 U CN208753127 U CN 208753127U
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- armature winding
- skeleton
- current transformer
- winding
- magnetic core
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Abstract
The utility model provides a kind of vehicle-mounted current transformer, including skeleton, armature winding and secondary windings, the skeleton is equipped with armature winding mounting portion and secondary windings mounting portion, the armature winding mounting portion includes inner skeleton and insulation rib, the inner skeleton is mutually enclosed with the insulation rib to be respectively formed there are two armature winding mounting hole parallel to each other, the armature winding is mounted in two armature winding mounting holes, the secondary windings mounting portion is equipped with winding arm, and stitch there are two being set on the skeleton, the secondary winding wound is in the winding arm, two lead-out wires of the secondary windings are hung on respectively on two stitch.Armature winding is made into thick line diameter U-shaped copper wire by the utility model, it is directly loadable into armature winding mounting hole, in winding arm, an end edge leg of the first magnetic core and the second magnetic core is plugged in mesoporous secondary winding wound respectively, another end edge leg is mutually fixed by iron clamp, completes the assembling of current transformer.
Description
Technical field
The utility model relates to current transformer technical field more particularly to a kind of vehicle-mounted current transformers.
Background technique
Current transformer is generally made of skeleton, the armature winding of mutually insulated, secondary windings, magnetic core and iron clamp etc.,
Working principle is identical as transformer, and armature winding N1 the number of turns is less, is directly connected in series in power circuit, and primary current load I1 is logical
When crossing armature winding, the induction of the alternating flux of generation generates the secondary current I2 scaled down, the number of turns N2 of secondary windings compared with
It is more, it contacts to form closed circuit with the secondary stage load Z of the current coils such as instrument, relay, transmitter.
Currently, designing and producing for current transformer, the general secondary windings more using first coiling the number of turns, then outsourcing
Dielectric tape layer, then further around armature winding processed.Thus two windings are needed with adhesive tape intermediate isolating to guarantee to insulate between winding
To armature winding coiling strict control, in addition, just, secondary winding be both needed to hang over lead on the stitch of skeleton, due to primary side electricity
Stream is big, and line footpath is thicker, and hanging wire contact in stitch is excessive, brings a series of productions inconvenient, process is complex, production cost
It is high.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of vehicle-mounted current transformer, and armature winding is set
It sets in skeleton, armature winding is made into thick line diameter U-shaped copper wire during installation, is directly loadable into armature winding mounting hole, it is secondary
Winding is wrapped in winding arm, and an end edge leg of the first magnetic core and the second magnetic core is plugged in mesoporous respectively, and another end edge leg is logical
It crosses iron clamp mutually to fix, completes the assembling of current transformer.
The utility model provides following technical scheme, a kind of vehicle-mounted current transformer, including skeleton, armature winding and secondary
Winding, the skeleton are equipped with armature winding mounting portion and secondary windings mounting portion；The armature winding mounting portion includes interior bone
Frame and the insulation rib that the inner skeleton two sides are arranged in, the inner skeleton are mutually enclosed with the insulation rib and are respectively formed with
Two armature winding mounting holes parallel to each other, the armature winding are mounted in two armature winding mounting holes；It is described
Secondary windings mounting portion is equipped with winding arm, and is set on the skeleton there are two stitch, and the secondary winding wound is twined described
On arm, two lead-out wires of the secondary windings are hung on respectively on two stitch.
Further, the armature winding is the thick line diameter U-shaped copper wire of a 2.0mm, and the thick line diameter U-shaped copper wire includes
Connecting pin made of bending and two insertion ends, the distance of two insertion ends and two armature winding mounting holes away from
From equal, and the aperture of the diameter and the armature winding mounting hole of the thick line diameter U-shaped copper wire matches.
Further, the armature winding mounting portion is equipped with the containing groove for accommodating the connecting pin, the containing groove
In be filled with black glue.
Further, the insertion end is inserted into the part exposed after the armature winding mounting hole as the armature winding
Pin, the pin and the stitch are located on the same plane of the skeleton.
Preferably, the secondary windings is the fine line diameter densely packed coil of 0.2mm.
Further, the vehicle-mounted current transformer further includes the first magnetic core, the second magnetic core and iron clamp, the skeleton it is interior
Portion, which is run through, is equipped with mesoporous, and an end edge leg of first magnetic core and second magnetic core is plugged on respectively in the mesoporous, described
First magnetic core is mutually fixed with another end edge leg of second magnetic core by the iron clamp.
Preferably, the bottom of the skeleton set there are three support salient point.
The utility model has the following beneficial effects: the utility model only has the current transformer of a circle to carry out armature winding
It redesigns, armature winding is arranged in skeleton, armature winding is made into thick line diameter U-shaped copper wire during installation, is directly loadable into
In armature winding mounting hole, for secondary winding wound in winding arm, an end edge leg of the first magnetic core and the second magnetic core distinguishes grafting
In mesoporous, another end edge leg is mutually fixed by iron clamp, completes the assembling of current transformer；And skeleton structure is simple, significantly
Reduce mutual inductor material cost and manufacturing cost；Structure between winding by skeleton itself insulate, and improves the exhausted of product
Edge performance, and increase product reliability and safety in use.
Detailed description of the invention
Fig. 1 is the perspective view of vehicle-mounted current transformer described in the utility model；
Fig. 2 is the side view of vehicle-mounted current transformer described in the utility model；
Fig. 3 is the constitutional diagram of skeleton described in the utility model and the armature winding；
Fig. 4 is the perspective view of skeleton described in the utility model；
Fig. 5 is the side view of skeleton described in the utility model；
Fig. 6 is the bottom view of skeleton described in the utility model；
Fig. 7 is the structural schematic diagram of armature winding described in the utility model.
Description of symbols:
Skeleton 1, armature winding mounting portion 11, inner skeleton 111, insulate rib 112, armature winding mounting hole 113, accommodating
Groove 114, black glue 115, secondary windings mounting portion 12, winding arm 121, stitch 13, mesoporous 14 support salient point 15.
Armature winding 2, connecting pin 21, insertion end 22, pin 221.
Secondary windings 3, lead-out wire 31.
First magnetic core 4.
Second magnetic core 5.
Iron clamp 6.
Specific embodiment
In order to make the purpose of utility model of the utility model, technical solution and technical effect are more clearly understood, tie below
Specific embodiment is closed to be described further the utility model.It should be understood that specific embodiment described herein, be only used for
It explains the utility model, is not used to limit the utility model.
Referring to figs. 1 to Fig. 4, a kind of vehicle-mounted current transformer, including skeleton 1, armature winding 2 and secondary windings 3, the bone
Frame 1 is equipped with armature winding mounting portion 11 and secondary windings mounting portion 12；
The armature winding mounting portion 11 includes inner skeleton 111 and the insulation stop that 111 two sides of inner skeleton are arranged in
Side 112, the enclosing of the inner skeleton 111 and insulation 112 phase of rib are respectively formed that there are two armature windings parallel to each other
Mounting hole 113, the armature winding 2 are mounted in two armature winding mounting holes 113；In the armature winding mounting portion
In 11, the armature winding 2 is sealed by the insulation rib 112, increases safe distance, later period artificial dispensing is replaced to fix
Or operation, the process for saving production are protected using special insulation line；Preferably, the insulation rib 112 uses bakelite material；
The secondary windings mounting portion 12 is equipped with winding arm 121, and is set on the skeleton 1 there are two stitch 13, described
Secondary windings 3 is wrapped in the winding arm 121, and two lead-out wires 31 of the secondary windings 3 are hung on two needles respectively
On foot 13.
It should be understood that the utility model only has the current transformer of a circle to carry out again the armature winding 2
The armature winding 2 is arranged in the skeleton 1, the armature winding 2 is directly loadable into the primary during installation by design
In winding installation holes 113, that is, the coiling of the armature winding 2 is completed, the secondary windings 3 is wrapped in the winding arm 121
On, two lead-out wires 31 of the secondary windings 3 are hung on respectively on two stitch 13, complete the secondary windings 3 around
System；1 structure of skeleton is simple, greatly reduces mutual inductor material cost and manufacturing cost；And the armature winding 2 and described
Structure between secondary windings 3 by the skeleton 1 itself insulate, and improves the insulation performance of product, and increase production
Product reliability and safety in use.
Referring to Fig. 7, the armature winding 2 is the thick line diameter U-shaped copper wire of a 2.0mm, and the thick line diameter U-shaped copper wire includes
Connecting pin 21 made of bending and two insertion ends 22, the distance of two insertion ends 22 are installed with two armature windings
Hole 113 is equidistant, and the aperture phase of the diameter and the armature winding mounting hole 113 of the thick line diameter U-shaped copper wire
Match.
Referring to Fig.1, the armature winding mounting portion 11 is equipped with the containing groove 114 for accommodating the connecting pin 21, the appearance
It sets filled with black glue 115 in groove 114, the armature winding 2 and first magnetic core 4 or second magnetic core 5 is isolated
A possibility that short-circuit, increases safety distance.
Referring to Fig. 2, the insertion end 22 is inserted into the part exposed after the armature winding mounting hole 113 as the primary
The pin 221 of winding 2, the pin 221 are located on the same plane of the skeleton 1 with the stitch 13, facilitate subsequent by production
Product are welded on pcb board.
Preferably, the secondary windings 3 is the fine line diameter densely packed coil of 0.2mm.
Referring to Fig.1 and Fig. 5, the vehicle-mounted current transformer further includes the first magnetic core 4, the second magnetic core 5 and iron clamp 6, described
The inside of skeleton 1, which is run through, is equipped with mesoporous 14, and 14 shape of the mesoporous is according to first magnetic core 4 and second magnetic core 5
Side leg shape design, improve the design freedom of overall current mutual inductor, first magnetic core 4 and second magnetic core 5
An end edge leg be plugged in the mesoporous 14 respectively, another end edge leg of first magnetic core 4 and second magnetic core 5 passes through
6 phase of iron clamp is fixed.
Referring to Fig. 6, the bottom of the skeleton 1 is set there are three salient point 15 is supported, and the utility model utilizes three point one side characteristics,
The bottom structure for having modified the skeleton 1 sets three for the support salient point 15, effectively increases product on pcb board
Stability.
The use principle of the vehicle-mounted current transformer of the utility model are as follows: the armature winding 2 is directly loadable into the primary
In winding installation holes 113, that is, complete the coiling of the armature winding 2；The secondary windings 3 is wrapped in the winding arm 121
On, two lead-out wires 31 of the secondary windings 3 are hung on respectively on two stitch 13, complete the secondary windings 3 around
System；One end edge leg of first magnetic core 4 and second magnetic core 5 is plugged on respectively in the mesoporous 14, first magnetic core 4
It is mutually fixed with another end edge leg of second magnetic core 5 by the iron clamp 6；Complete the assembling of current transformer.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, architectural form cans be flexible and changeable, and can be produced with subseries
Product.Several simple deduction or replace are only made, it is true by the claims submitted all to shall be regarded as belonging to the utility model
Fixed scope of patent protection.
Claims (7)
1. a kind of vehicle-mounted current transformer, including skeleton, armature winding and secondary windings, it is characterised in that: the skeleton is equipped with
Armature winding mounting portion and secondary windings mounting portion；
The armature winding mounting portion includes inner skeleton and the insulation rib that the inner skeleton two sides are arranged in, the interior bone
Frame is mutually enclosed with the insulation rib to be respectively formed there are two armature winding mounting hole parallel to each other, and the armature winding is installed
In two armature winding mounting holes；
The secondary windings mounting portion is equipped with winding arm, and is set on the skeleton there are two stitch, the secondary winding wound
In the winding arm, two lead-out wires of the secondary windings are hung on respectively on two stitch.
2. vehicle-mounted current transformer as described in claim 1, it is characterised in that: the armature winding is the thick of a 2.0mm
Line footpath U-shaped copper wire, the thick line diameter U-shaped copper wire include connecting pin and two insertion ends made of bending, two insertion ends
Distance and two armature winding mounting holes be equidistant, and the diameter of the thick line diameter U-shaped copper wire and it is described just
The aperture of grade winding installation holes matches.
3. vehicle-mounted current transformer as claimed in claim 2, it is characterised in that: the armature winding mounting portion is equipped with accommodating institute
The containing groove of connecting pin is stated, is filled with black glue in the containing groove.
4. vehicle-mounted current transformer as claimed in claim 2, it is characterised in that: the insertion end is inserted into the armature winding peace
Pin of the part exposed behind dress hole as the armature winding, the pin and the stitch are located at the same flat of the skeleton
On face.
5. vehicle-mounted current transformer as described in claim 1, it is characterised in that: the secondary windings is the fine line diameter of 0.2mm
Densely packed coil.
6. vehicle-mounted current transformer as described in claim 1, it is characterised in that: the vehicle-mounted current transformer further includes first
Magnetic core, the second magnetic core and iron clamp, the inside of the skeleton, which is run through, is equipped with mesoporous, and the one of first magnetic core and second magnetic core
End edge leg is plugged on respectively in the mesoporous, and another end edge leg of first magnetic core and second magnetic core passes through the iron clamp
It is mutually fixed.
7. vehicle-mounted current transformer as described in claim 1, it is characterised in that: the bottom of the skeleton sets convex there are three supporting
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526445.3U CN208753127U (en) | 2018-09-18 | 2018-09-18 | A kind of vehicle-mounted current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821526445.3U CN208753127U (en) | 2018-09-18 | 2018-09-18 | A kind of vehicle-mounted current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753127U true CN208753127U (en) | 2019-04-16 |
Family
ID=66084792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821526445.3U Active CN208753127U (en) | 2018-09-18 | 2018-09-18 | A kind of vehicle-mounted current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753127U (en) |
-
2018
- 2018-09-18 CN CN201821526445.3U patent/CN208753127U/en active Active
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