CN207852459U - A kind of resin insulating dry type transformer - Google Patents
A kind of resin insulating dry type transformer Download PDFInfo
- Publication number
- CN207852459U CN207852459U CN201820079126.6U CN201820079126U CN207852459U CN 207852459 U CN207852459 U CN 207852459U CN 201820079126 U CN201820079126 U CN 201820079126U CN 207852459 U CN207852459 U CN 207852459U
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- China
- Prior art keywords
- current
- resin insulating
- protection device
- binding post
- dry type
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Abstract
The utility model discloses a kind of resin insulating dry type transformers,Its structure includes pedestal,Cooling fan,Resin insulating barrier,Iron core,Winding,Binding post,Electric cabinet,Current-limiting protection device,A kind of resin insulating dry type transformer of the utility model,Equipped with current-limiting protection device,It is connected together with winding by the connector in current limiter main body one end,Then electric current enters in it can limit the size of current by its institute's chord road through resistor,And change the distribution situation of each coil current in failure,Make current-limiting inductor that a larger impedance be presented,To realize metering function,It cuts off the power in cooperation circuit breaker,Allow it that the electric current of excess constant current to be prevented to flow through load,It ensure that transformer will not work in the state of excess constant current,Not only limit abnormal current,Can also be disconnected in circuit or abnormal current disappear after automatically reset,It is effectively protected transformer safety,Extend the service life of transformer.
Description
Technical field
The utility model is a kind of resin insulating dry type transformer, belongs to transformer technology field.
Background technology
Currently, there are many type of transformer, there are oil-immersed transformer, dry-type transformer etc..Resin insulating dry type transformer,
Has the characteristics that its uniqueness, since the middle and later periods in last century, dry-type transformer worldwide rapidly develops.
Prior art discloses application No. is：A kind of resin insulating dry type transformer of CN201210808725.2, including
Iron core, high-voltage winding and low pressure winding, the low pressure winding is using whole section of copper foil and together with F grades of turn insulation special low
Press foil winding equipment on coiling, the lead copper bar of the whole section of copper foil through argon arc welding automatic welding, the copper foil include as it is main at
Copper and inevitable impurity, the silicon and silver divided, due to using copper foil material, thus can be uneven to avoid traditional transformer ampere-turn
Weighing apparatus, the problems such as heat dissipation effect is poor, there are coiling helical angle, the protrusions of human weld's unstable quality.In addition, the present invention has peace
The features such as filling simplicity, fire safety, low, reliability is high loss.But disadvantage is that transformer at runtime, is understood because of electricity
It flows through and big easily lead to internal element and burn.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of resin insulating dry type transformer, with
Solve the problem of that above equipment transformer can easily lead to internal element because electric current is excessive at runtime and burn.
To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of insulation resin is dry
Formula transformer, structure include pedestal, cooling fan, resin insulating barrier, iron core, winding, binding post, electric cabinet, current-limiting protection
Device, the pedestal mutually forms " П " type, and generally integration is constituted, and the base top front two rows fixation is set
There is cooling fan, there are six the cooling fan is set altogether, six cooling fans are mutually in equidistant arrangement, the base top
Surface middle part is bonded with resin insulating barrier bottom end, there are three the resin insulating barrier is set altogether, is set in three resin insulating barriers
Cored and winding, the winding is located at the outer surrounding of iron core, and is connected using canoe, and the winding passes through conducting wire and wiring
Column is electrically connected, and the binding post is located on resin insulating barrier top, and the binding post is electrically connected current-limiting protection device, the current limliting
Protective device is electrically connected electric cabinet, and the electric cabinet is located on binding post side, and the electric cabinet passes through conducting wire and cooling fan
Electrical connection；The current-limiting protection device is made of current limiter main body, connector, resistor, current-limiting inductor, circuit breaker, the limit
It flows device body interior one end and is equipped with connector, the current limiter main body generally " ┻ " type, and both ends equipped with port, the connection
Part is electrically connected by conducting wire with resistor, the connector generally " ┣ " body structure, and the resistor side is equipped with current limit line
Circle, and be electrically connected by conducting wire, the current-limiting inductor is located at current limiter body interior center, and the current-limiting inductor surface is spiral
Shape structure, the current limiter body top are internally provided with circuit breaker, and the circuit breaker bottom end is electrically connected with current-limiting inductor, the company
Fitting is electrically connected by conducting wire with binding post.
Further, six cooling fans are mutually parallel.
Further, the iron core is respectively equipped with three with winding.
Further, binding post, electric cabinet, current-limiting protection device are equipped at the top of the resin insulating barrier.
Further, the electric cabinet is electrically connected cooling fan and current-limiting protection device.
Further, the electric cabinet is electrically connected cooling fan and current-limiting protection device.
Further, device of the electric cabinet for regulating and controlling transformer station high-voltage side bus.
Further, the resin insulating barrier is seal shape structure.
Advantageous effect
A kind of resin insulating dry type transformer of the utility model is equipped with current-limiting protection device, passes through current limiter main body one end
Interior connector is connected together with winding, and then electric current is entered in it and can be limited through its institute's chord road through resistor
Size of current, and change in failure the distribution situation of each coil current, make current-limiting inductor that a larger impedance be presented, to realize
Metering function is coordinating circuit breaker to cut off the power so that it can which the electric current of excess constant current is prevented to flow through load, ensure that transformation
Device will not work in the state of excess constant current, not only limit abnormal current, moreover it is possible to be disconnected in circuit or abnormal current disappears
It automatically resets after mistake, is effectively protected transformer safety, extend the service life of transformer.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural schematic diagram of resin insulating dry type transformer of the utility model；
Fig. 2 is a kind of cross-sectional view of resin insulating dry type transformer of the utility model.
Fig. 3 is the current-limiting protection device external structure schematic diagram of the utility model.
Fig. 4 is the current-limiting protection device cross-sectional view of the utility model.
In figure：Pedestal -1, cooling fan -2, resin insulating barrier -3, iron core -4, winding -5, binding post -6, electric cabinet -7,
Current-limiting protection device -8, current limiter main body -801, connector -802, resistor -803, current-limiting inductor -804, circuit breaker -805.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
- Fig. 4 is please referred to Fig.1, the utility model provides a kind of technical solution：A kind of resin insulating dry type transformer, knot
Structure includes pedestal 1, cooling fan 2, resin insulating barrier 3, iron core 4, winding 5, binding post 6, electric cabinet 7, current-limiting protection device 8,
The pedestal 1 mutually forms " П " type, and generally integration is constituted, and 1 top front two rows of the pedestal is fixed with
Cooling fan 2, there are six the cooling fan 2 is set altogether, six cooling fans 2 are mutually in equidistant arrangement, and the pedestal 1 pushes up
Portion's surface middle part is bonded with 3 bottom end of resin insulating barrier, there are three the resin insulating barrier 3 is set altogether, three resin insulating barriers 3
Interior to be equipped with iron core 4 and winding 5, the winding 5 is located at 4 outer surrounding of iron core, and is connected using canoe, and the winding 5 passes through
Conducting wire is electrically connected with binding post 6, and the binding post 6 is located on 3 top of resin insulating barrier, and the binding post 6 is electrically connected current limliting and protects
Protection unit 8, the current-limiting protection device 8 are electrically connected electric cabinet 7, and the electric cabinet 7 is located on 6 side of binding post, described automatically controlled
Case 7 is electrically connected by conducting wire with cooling fan 2；The current-limiting protection device 8 is by current limiter main body 801, connector 802, resistance
Device 803, current-limiting inductor 804, circuit breaker 805 form, and 801 inside one end of the current limiter main body is equipped with connector 802, the limit
Generally " ┻ " type of device main body 801 is flowed, and both ends are equipped with port, the connector 802 is electrically connected by conducting wire and resistor 803
It connects, generally " ┣ " the body structure of the connector 802,803 side of the resistor is equipped with current-limiting inductor 804, and passes through conducting wire
Electrical connection, the current-limiting inductor 804 are located at 801 center of inside of current limiter main body, and 804 surface of the current-limiting inductor is helical form knot
Structure, 801 top interior of current limiter main body are equipped with circuit breaker 805, and 805 bottom end of the circuit breaker is electrically connected with current-limiting inductor 804
Connect, the connector 802 is electrically connected by conducting wire with binding post 6, and six cooling fans 2 are mutually parallel, the iron core 4 with
Winding 5 is respectively equipped with three, and 3 top of the resin insulating barrier is equipped with binding post 6, electric cabinet 7, current-limiting protection device 8, the electricity
Control case 7 is electrically connected cooling fan 2 and current-limiting protection device 8, and the electric cabinet 7 is electrically connected cooling fan 2 and current limliting
Protective device 8.
Resistor 803 described in this patent is a kind of current limiting element, and the effect of the circuit breaker 805 is periodic break-make
Ignition coil primary circuit.
It is carrying out in use, first transformer tank is installed on electric power frame first, then by height piezoelectric wire and binding post 6
It connects together, then regulate and control operation program on electric cabinet 7, allows transformer to operate, electric current passes through leading on binding post 6 later
Line is flowed into winding 5, on entering iron core 4, is reinforced the coil magnetic coupling between winding 5 to generate electromagnetism, is handed over to convert
Galvanic electricity pressure, electric current and impedance make high voltage be transformed to low-voltage, also low-voltage can be transformed to high voltage, ensure transformer
Operation, and because being additionally provided with current-limiting protection device 8 thereon, it be first pass through connector 802 in 801 one end of current limiter main body and around
Group 5 connects together, and then electric current enters in it can limit the size of current by its institute's chord road through resistor 803,
And change the distribution situation of each coil current in failure, and make current-limiting inductor that a larger impedance be presented, to realize metering function,
Coordinating circuit breaker 805 to cut off the power so that it can which the electric current of excess constant current is prevented to flow through load, ensure that transformer will not
It works in the state of excess constant current, not only limits abnormal current, moreover it is possible to after circuit is disconnected or abnormal current disappears certainly
It is dynamic to reset, it is effectively protected transformer safety, extends the service life of transformer.
The utility model solve the problems, such as be transformer at runtime, can easily lead to internal element because electric current is excessive and burn,
The utility model is combined with each other by above-mentioned component so that it can the electric current of excess constant current is prevented to flow through load, ensure that
Transformer will not work in the state of excess constant current, not only limit abnormal current, moreover it is possible to be disconnected in circuit or exception is electric
Stream automatically resets after disappearing, and is effectively protected transformer safety, extends the service life of transformer.It is described in detail below:
801 inside one end of the current limiter main body be equipped with connector 802, generally " ┻ " type of the current limiter main body 801,
And both ends are equipped with port, the connector 802 is electrically connected by conducting wire with resistor 803, the connector 802 generally " ┣ "
Body structure, 803 side of the resistor is equipped with current-limiting inductor 804, and is electrically connected by conducting wire, and the current-limiting inductor 804 is located at
801 center of inside of current limiter main body, 804 surface of the current-limiting inductor are helicoidal structure, in the top of the current limiter main body 801
Portion is equipped with circuit breaker 805, and 805 bottom end of the circuit breaker is electrically connected with current-limiting inductor 804, the connector 802 by conducting wire and
Binding post 6 is electrically connected.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of resin insulating dry type transformer, structure includes pedestal (1), cooling fan (2), resin insulating barrier (3), iron core
(4), winding (5), binding post (6), electric cabinet (7), current-limiting protection device (8), the pedestal (1) mutually form one " П "
Type, and generally integration is constituted, it is characterised in that：
Front two rows is fixed with cooling fan (2) at the top of the pedestal (1), described there are six the cooling fan (2) sets altogether
Six cooling fans (2) are mutually in equidistant arrangement, are bonded with resin insulating barrier (3) bottom end in the middle part of pedestal (1) top surface,
There are three the resin insulating barrier (3) sets altogether, iron core (4) and winding (5) are equipped in three resin insulating barriers (3), it is described
Winding (5) is located at iron core (4) outer surrounding, and is connected using canoe, and the winding (5) passes through conducting wire and binding post (6) electricity
Connection, the binding post (6) are located on resin insulating barrier (3) top, binding post (6) the electrical connection current-limiting protection device (8),
Current-limiting protection device (8) the electrical connection electric cabinet (7), the electric cabinet (7) is located on binding post (6) side, described automatically controlled
Case (7) is electrically connected by conducting wire with cooling fan (2)；
The current-limiting protection device (8) is by current limiter main body (801), connector (802), resistor (803), current-limiting inductor
(804), circuit breaker (805) forms, and the internal one end of the current limiter main body (801) is equipped with connector (802), the current limiter master
Body (801) is generallyType, and both ends are equipped with port, the connector (802) is electrically connected by conducting wire and resistor (803)
It connects, the connector (802) is generallyBody structure, resistor (803) side is equipped with current-limiting inductor (804), and leads to
Conducting wire electrical connection is crossed, the current-limiting inductor (804) is located at current limiter main body (801) center of inside, current-limiting inductor (804) table
Face is helicoidal structure, and current limiter main body (801) top interior is equipped with circuit breaker (805), circuit breaker (805) bottom end
It is electrically connected with current-limiting inductor (804), the connector (802) is electrically connected by conducting wire with binding post (6).
2. a kind of resin insulating dry type transformer according to claim 1, it is characterised in that：Six cooling fans
(2) it is mutually parallel.
3. a kind of resin insulating dry type transformer according to claim 1, it is characterised in that：The iron core (4) and winding
(5) three are respectively equipped with.
4. a kind of resin insulating dry type transformer according to claim 1, it is characterised in that：The resin insulating barrier (3)
Top is equipped with binding post (6), electric cabinet (7), current-limiting protection device (8).
5. a kind of resin insulating dry type transformer according to claim 1, it is characterised in that：The electric cabinet (7) is respectively
It is electrically connected cooling fan (2) and current-limiting protection device (8).
6. a kind of resin insulating dry type transformer according to claim 1, it is characterised in that：The current limiter main body
(801) connector (802), resistor (803), current-limiting inductor (804), circuit breaker (805) are equipped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079126.6U CN207852459U (en) | 2018-01-17 | 2018-01-17 | A kind of resin insulating dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079126.6U CN207852459U (en) | 2018-01-17 | 2018-01-17 | A kind of resin insulating dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852459U true CN207852459U (en) | 2018-09-11 |
Family
ID=63415051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820079126.6U Active CN207852459U (en) | 2018-01-17 | 2018-01-17 | A kind of resin insulating dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599331A (en) * | 2020-11-24 | 2021-04-02 | 四川特种变压器厂 | Transformer convenient to external cable |
-
2018
- 2018-01-17 CN CN201820079126.6U patent/CN207852459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599331A (en) * | 2020-11-24 | 2021-04-02 | 四川特种变压器厂 | Transformer convenient to external cable |
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