CN208284340U - A kind of current transformer - Google Patents
A kind of current transformer Download PDFInfo
- Publication number
- CN208284340U CN208284340U CN201820062387.7U CN201820062387U CN208284340U CN 208284340 U CN208284340 U CN 208284340U CN 201820062387 U CN201820062387 U CN 201820062387U CN 208284340 U CN208284340 U CN 208284340U
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- China
- Prior art keywords
- mutual inductor
- inductor ontology
- support insulator
- power transformer
- ontology
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Abstract
The utility model discloses a kind of current transformers, including mutual inductor ontology, the mutual inductor ontology upper front end insertion is provided with display screen, and high voltage load switch is provided on the left of the mutual inductor ontology upper front end, the mutual inductor ontology front lower portion is electrically connected with circuit detector, and power transformer is provided on the left of the mutual inductor ontology front lower portion, breaker is fixedly connected on the right side of the mutual inductor ontology front lower portion, and breaker, circuit detector and power transformer are arranged in a straight line, change alternating voltage using the principle of electromagnetic induction by power transformer, and have the function of buck/boost and security isolation, using high voltage load switch for controlling power transformer, and energy auto switching certain load current and overload electric current, and short circuit is protected, utilize support insulator and protection Device improves the stability of support insulator, and current transformer can effectively improve the service life of mutual inductor.
Description
Technical field
The utility model relates to transformer technical field, specially a kind of current transformer.
Background technique
Current transformer principle be according to made of electromagnetic induction principle, current transformer at work, its secondary side
Circuit is closure, therefore the impedance very little of measuring instrumentss and protective loop series coil, the work shape of current transformer always
State is close to short circuit, and current transformer is that primary side high current is converted into secondary side low current to measure, and secondary side can not open a way.
Current transformer used at present, since during using current transformer, high voltage load switch meets failure
When electric current, overload or short circuit, the unloaded power transformer of certain capacity can not be automatically disconnected, so that current transformer damages
It is bad, however the normal use of current transformer is influenced, and reduce the service life of current transformer.
So how to design a kind of current transformer, becoming us will currently be solved the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of current transformers, to solve high pressure mentioned above in the background art
The problems such as on-load switch cannot be disconnected automatically.
To achieve the above object, the utility model provides the following technical solutions: a kind of current transformer, including mutual inductor sheet
Body, the mutual inductor ontology upper front end insertion is provided with display screen, and is provided on the left of the mutual inductor ontology upper front end
High voltage load switch, the mutual inductor ontology front lower portion are electrically connected with circuit detector, and mutual inductor ontology front end
Lower left side is provided with power transformer, and breaker, and open circuit are fixedly connected on the right side of the mutual inductor ontology front lower portion
Device, circuit detector and power transformer are arranged in a straight line, and are fixedly connected with controller on the right side of the mutual inductor ontology, described
Mutual inductor body upper part is provided with the microprocessor being closely welded as a whole with mutual inductor ontology, and before the microprocessor top
End is connected at least three terminals, and is uniformly distributed at horizontal line, and the microprocessor top is fixedly connected with supports insulative
Body, and it is welded with protector in the middle part of the support insulator, the support insulator top is connected with dowel, and the positioning
Dowel jack is connected in the middle part of the tip, the mutual inductor ontology left dorsal fluting is provided with signaling interface, and signal
Interface and output interface bilateral symmetry, and fluting is provided with output interface on the right side of mutual inductor ontology back, and signal connects
Mouth and output interface bilateral symmetry.
Further, the input terminal of the output end of the power transformer and the mutual inductor ontology is electrically connected, and institute
Power transformer is stated in " cuboid " structure.
Further, the output end of the high voltage load switch and the mutual inductor ontology input terminal are electrically connected, and institute
High voltage load switch is stated in " cylindrical body " structure.
Further, it is connected to inside the microprocessor internal and support insulator, and the microprocessor and the branch
Support insulator is fixedly connected.
Further, the protector setting at least three, and the protector is uniformly distributed support insulator vertically
Outside, and the support insulator is through in the protector.
Compared with prior art the beneficial effects of the utility model are: this kind of current transformer, by current transformer
Improvement, the input terminal of the output end of the power transformer and the mutual inductor ontology is electrically connected, and the power transformer
Device is in " cuboid " structure, changes alternating voltage using the principle of electromagnetic induction by power transformer, and have lifting electricity
The effect of pressure and security isolation, the output end of the high voltage load switch and the mutual inductor ontology input terminal are electrically connected, and
The high voltage load switch is in " cylindrical body " structure, using high voltage load switch for controlling power transformer, and can be automatic
The certain load current of on-off and overload electric current, and short circuit is protected, the microprocessor internal and support insulator
Inside connection, and the microprocessor is fixedly connected with the support insulator, and mutual inductor ontology is controlled by microprocessor,
The protector setting at least three, and the protector is uniformly distributed the outside of support insulator, and the support vertically
Insulator, using support insulator and protector, improves the stability of support insulator through in the protector
And raising, this kind of current transformer can effectively improve the service life of mutual inductor.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the mutual inductor ontology partial structural diagram of the utility model；
In figure: 1- mutual inductor ontology；2- controller；3- breaker；4- circuit detector；5- power transformer；6- high pressure
On-load switch；7- display screen；8- microprocessor；9- terminals；10- support insulator；11- protector；12- dowel jack；
13- dowel；14- signaling interface；15- output interface.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of current transformer, including mutual inductor ontology
1,1 upper front end of the mutual inductor ontology insertion is provided with display screen 7, and setting on the left of 1 upper front end of mutual inductor ontology
There is high voltage load switch 6,1 front lower portion of mutual inductor ontology is electrically connected with circuit detector 4, and the mutual inductor ontology
It is provided with power transformer 5 on the left of 1 front lower portion, is fixedly connected with breaker 3 on the right side of 1 front lower portion of mutual inductor ontology,
And breaker 3, circuit detector 4 and power transformer 5 are arranged in a straight line, and are fixedly connected on the right side of the mutual inductor ontology 1
There is controller 2,1 top of mutual inductor ontology is provided with the microprocessor 8 being closely welded as a whole with mutual inductor ontology 1, and
The 8 top front end of microprocessor is connected at least three terminals 9, and is uniformly distributed at horizontal line, on the microprocessor 8
Portion is fixedly connected with support insulator 10, and protector 11 is welded in the middle part of the support insulator 10, the support insulator
10 tops are connected with dowel 13, and dowel jack 12 is connected in the middle part of the dowel 13, the mutual inductor ontology 1
Left dorsal fluting is provided with signaling interface 14, and 15 bilateral symmetry of signaling interface 14 and output interface, and the mutual inductor
Fluting is provided with output interface 15, and 15 bilateral symmetry of signaling interface 14 and output interface on the right side of 1 back of ontology.
Further, the input terminal of the output end of the power transformer 5 and the mutual inductor ontology 1 is electrically connected, and
The power transformer 5 is in " cuboid " structure, changes alternating current using the principle of electromagnetic induction by power transformer 5
Pressure, and have the function of buck/boost and security isolation.
Further, the output end of the high voltage load switch 6 and 1 input terminal of mutual inductor ontology are electrically connected, and
The high voltage load switch 6 is in " cylindrical body " structure, using high voltage load switch 6 for controlling power transformer 5, and can be certainly
Dynamic on-off certain load current and overload electric current, and short circuit is protected.
Further, 8 inside of the microprocessor be connected to inside support insulator 10, and the microprocessor 8 and institute
It states support insulator 10 to be fixedly connected, mutual inductor ontology 1 is controlled by microprocessor 8.
Further, the setting of protector 11 at least three, and the protector 11 is uniformly distributed supports insulative vertically
The outside of body 10, and the support insulator 10 utilizes support insulator 10 and protector through in the protector 11
11, improve the stability of support insulator.
Working principle: when using this kind of current transformer, it should the structure of entire current transformer be carried out simple
Understand, firstly, keeping mutual inductor ontology 1 fixed using the cooperation of dowel 13 and dowel jack 12, then passing through terminals 9
Electric current is accessed into mutual inductor ontology 1, display screen 7 lights at this time, then controls mutual inductor ontology 1 by microprocessor 8, then sharp
With support insulator 10 and protector 11, the stability of support insulator 10 is improved, is examined later by circuit
The circuit abnormality that device 4 detects mutual inductor ontology 1 is surveyed, the cooperation of high voltage load switch 6 and controller 2 is then utilized, for controlling
Power transformer 5, and the load current and overload electric current that energy auto switching is certain, and short circuit is protected, then lead to
It crosses power transformer 5 and changes alternating voltage using the principle of electromagnetic induction, and can be with buck/boost and security isolation, finally
Can close, carry and cut-off the electric current under normal loop condition using breaker 3, and can cut-off it is abnormal it is short-circuit under electric current.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of current transformer, including mutual inductor ontology (1), it is characterised in that: mutual inductor ontology (1) upper front end is embedding
Enter to be provided with display screen (7), and is provided with high voltage load switch (6) on the left of the mutual inductor ontology (1) upper front end, it is described mutual
Sensor ontology (1) front lower portion is electrically connected with circuit detector (4), and is set on the left of the mutual inductor ontology (1) front lower portion
It is equipped with power transformer (5), is fixedly connected with breaker (3) on the right side of mutual inductor ontology (1) front lower portion, and breaker
(3), circuit detector (4) and power transformer (5) are arranged in a straight line, and are fixedly connected on the right side of the mutual inductor ontology (1)
Controller (2), mutual inductor ontology (1) top are provided with the microprocessor being closely welded as a whole with mutual inductor ontology (1)
(8), and the microprocessor (8) top front end is connected at least three terminals (9), and is uniformly distributed at horizontal line, described
Microprocessor (8) top is fixedly connected with support insulator (10), and is welded with protector in the middle part of the support insulator (10)
(11), support insulator (10) top is connected with dowel (13), and is connected with and is determined in the middle part of the dowel (13)
Position tip jack (12), mutual inductor ontology (1) the left dorsal fluting is provided with signaling interface (14), and the mutual inductor ontology
(1) fluting is provided with output interface (15) on the right side of back, and signaling interface (14) and output interface (15) bilateral symmetry；It is described
It is connected to inside microprocessor (8) inside and support insulator (10), and the microprocessor (8) and the support insulator (10)
It is fixedly connected；Protector (11) setting at least three, and the protector (11) is uniformly distributed support insulator vertically
(10) outside, and the support insulator (10) is through in the protector (11).
2. a kind of current transformer according to claim 1, it is characterised in that: the output end of the power transformer (5)
It is electrically connected with the input terminal of the mutual inductor ontology (1), and the power transformer (5) is in " cuboid " structure.
3. a kind of current transformer according to claim 1, it is characterised in that: the output of the high voltage load switch (6)
End is electrically connected with mutual inductor ontology (1) input terminal, and the high voltage load switch (6) is in " cylindrical body " structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062387.7U CN208284340U (en) | 2018-01-15 | 2018-01-15 | A kind of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062387.7U CN208284340U (en) | 2018-01-15 | 2018-01-15 | A kind of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284340U true CN208284340U (en) | 2018-12-25 |
Family
ID=64747155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820062387.7U Active CN208284340U (en) | 2018-01-15 | 2018-01-15 | A kind of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284340U (en) |
-
2018
- 2018-01-15 CN CN201820062387.7U patent/CN208284340U/en active Active
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