CN202373441U

CN202373441U - Water-cooled transformer with reactor

Info

Publication number: CN202373441U
Application number: CN2011205514963U
Authority: CN
Inventors: 田子仁; 刁成东; 顾惠新; 薛晋海
Original assignee: SUZHOU BOYUAN SPECIAL TRANSFORMER CO Ltd
Current assignee: SUZHOU BOYUAN SPECIAL TRANSFORMER CO Ltd
Priority date: 2011-12-26
Filing date: 2011-12-26
Publication date: 2012-08-08
Anticipated expiration: 2021-12-26

Abstract

The utility model discloses a water-cooled transformer with a reactor, which comprises transformer cores and transformer windings, the wires of the transformer windings are hollow wires, the cavities of the hollow wires of the transformer windings communicate with one another to form coolant passages, the water-cooled reactor is mounted on the upper ends of the transformer cores, and comprises a reactor core, a reactor coil and cooling ducts, the reactor coil comprises two sections of copper bars wound on the reactor core, a connecting plate is arranged on one end of each copper bar, the other ends of the copper bars are provided with connecting holes, the cooling ducts are attached on the copper bars, and both the cooling ducts and the coolant passages are connected into a circulating cooling duct. The transformer has the advantages of simple structure, low temperature rise, good heat dispersion and little noise, moreover, since the water cooling method is adopted to dissipate the heat of the reactor of the transformer, the heat-dissipating effect is good, and the operation reliability of the equipment is enhanced.

Description

The water-cooled transformer of reactance device

Technical field

The utility model relates to a kind of transformer, is meant a kind of water-cooled transformer of reactance device especially.

Background technology

Big electric current dry-type transformer all is to be applied to special trade; Such as smelting, glassware, electric heating, consumable electrode vacuum furnace etc., the maximum characteristics of this series products are exactly that dry-type transformer and reactor place an Electric Appliance Cabinet together, have wherein comprised a lot of electronic devices and components; Electronic devices and components are exigent to ambient temperature; Temperature is high can to produce unfavorable phenomenons such as temperature is floated, misoperation, and serious meeting burning apparatus causes heavy losses.The dry-type transformer of producing at present, the type of cooling are self cooling or the product of forced air cooling all can't resolve the problem of temperature rise, so the use of this series products has just received very big restriction.A lot of users just can only shelve project under the situation of having no idea, or adopt oil-immersed type transformer.There is potential danger in oil-immersed type transformer, and is big like volume, seepage is oily, inconvenient installation, and some dangerous situation can not use oil-immersed type transformer at all.Shortcomings such as there is temperature rise in common dry-type transformer, volume is big, consumptive material is many, expensive, noise are big are restricted its use, have also limited the development of this series products simultaneously.And the effect of reactor is when being short-circuited; Voltage drop on the reactor is bigger; So also played the effect of keeping the reactor winding voltage levvl, make the voltage fluctuation on the reactor winding less, guaranteed the stability of the user's electric equipment operation on the non-fault line.Reactor also belongs to heater element, in case the operate as normal of the whole transformer of the too high same influence of temperature, and the cooling of reactor at present generally is natural air cooled, cooling effect is not good, causes security incident easily.

The utility model content

The utility model technical problem to be solved is: the water-cooled transformer that a kind of reactance device is provided; This transformer device structure is simple, temperature rise is low, good heat dissipation, noise are little; And the reactor of band adopts the water-cooling pattern heat radiation, and good heat dissipation effect has improved the functional reliability of equipment.

For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of water-cooled transformer of reactance device, comprise transformer core, Transformer Winding, and the lead of said Transformer Winding is a hollow conductor; The cavity of the hollow conductor of said Transformer Winding is communicated with the formation cooling passage; Said transformer core upper end is equipped with water cooling reactor, and said water cooling reactor comprises core of reactor, reactor winding and cooling pipe, and said reactor winding comprises two sections copper bars that twine core of reactor; One end of said copper bar is provided with connecting plate; The other end is provided with connecting hole, and said cooling pipe fits in said copper bar, and said cooling pipe and cooling passage all are connected in the circulating cooling pipe road.

As a kind of preferred scheme, said cooling pipe fits in a side of said copper bar and is positioned at the middle part, and therefore, cooling pipe can make copper bar dispel the heat uniformly.

As a kind of preferred scheme, the cooling fluid that feeds in the described circulating cooling pipe road is a pure water.

As a kind of preferred scheme, being shaped as of the cross-sectional perimeter of the lead of said Transformer Winding is square.Square cross section makes the lead winding displacement tightr, has further reduced the volume of transformer.

After having adopted technique scheme, the effect of the utility model is: because a kind of water-cooled transformer of reactance device comprises transformer core, Transformer Winding; The lead of said Transformer Winding is a hollow conductor, and the cavity of the hollow conductor of said Transformer Winding is communicated with the formation cooling passage, and said transformer core upper end is equipped with water cooling reactor; Said water cooling reactor comprises core of reactor, reactor winding and cooling pipe, and said reactor winding comprises two sections copper bars that twine core of reactor, and an end of said copper bar is provided with connecting plate; The other end is provided with connecting hole, and said cooling pipe fits in said copper bar, and said cooling pipe and cooling passage all are connected in the circulating cooling pipe road; Therefore, circulating cooling pipe feeds cooling fluid in the road, and cooling fluid can be taken away the heat of transformer when cooling passage; The heat that two sections copper bars of reactor produce is taken away by the cooling fluid in the cooling pipe of fitting, and compares the transformer of forced air cooling, has cancelled blower fan; Reduced the noise that blower fan produces; And temperature is lower, and noise further reduces, thereby guarantees the functional reliability of transformer.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the side schematic view of the utility model embodiment;

Fig. 2 is the vertical view of the reactor of the utility model embodiment;

In the accompanying drawing: 1. transformer; 11. transformer core; 12. Transformer Winding; 13. joint; 2. reactor; 21. core of reactor; 22. copper bar; 23. cooling pipe; 24. upper clamping piece; 25. lower clamping piece; 26. connecting plate.

Embodiment

Through specific embodiment the utility model is done further to describe in detail below.

Like Fig. 1, shown in 2, a kind of water-cooled transformer of reactance device comprises transformer core 11, Transformer Winding 12; The lead of said Transformer Winding 12 is a hollow conductor, and the cavity of the hollow conductor of said Transformer Winding 12 is communicated with the formation cooling passage, and the lead of the Transformer Winding 12 of the utility model is divided into plurality of sections; Therefore the wire termination of plurality of sections is provided with joint 13; Be communicated with through conduit between joint 13 and the joint 13, because the length of coiling is longer, thereby cooling passage length is also longer; Need enough pressure and guarantee that cooling fluid can smooth and easyly flow, and cooling fluid can flow in the tank for coolant and recycles.And being shaped as of the cross-sectional perimeter of the lead of said Transformer Winding 12 is square.Square cross section makes the lead winding displacement tightr, has further reduced the volume of transformer 1.

Said transformer core 11 upper ends are equipped with water cooling reactor 2; Said water cooling reactor 2 comprises core of reactor 21, reactor winding and cooling pipe 23; Said core of reactor 21 is made up of several silicon steel sheets and is clamped through upper clamping piece 24 and lower clamping piece 25, and said reactor winding comprises two sections copper bars 22 that twine core of reactor 21, and an end of said copper bar 22 is provided with connecting plate 26; Reactor 2 is connected with transformer 1 through connecting plate 26; The other end of copper bar 22 is provided with connecting hole, and said cooling pipe 23 fits in said copper bar 22, and said cooling passage and cooling pipe 23 all are connected in the circulating cooling pipe road.Preferably, said cooling pipe 23 fits in a side of said copper bar 22 and is positioned at the middle part, is convenient to take away uniformly the heat of copper bar 22 like this.Wherein, Said cooling pipe 23 adopts oxygen-free copper; Its diameter need and be selected with the actual heat radiation that size can have more transformer 1 and reactor 2; And cooling pipe 23 actual be that applying section two sections copper bars 22 of fitting respectively is formed by connecting, the cooling fluids that adopt in the cooling pipe 23 can be pure water or other nonconducting cooling fluids.

During work; Circulating cooling pipe feeds pure water in the road, and the pure water that the heat that copper bar 22 distributes is cooled in the pipeline 23 is taken away, and the pure water that the heat that transformer 1 produces is cooled in the liquid passage is taken away; Greatly reduce the temperature of reactor 2 and transformer 1 like this; Guaranteed the operate as normal of reactor 2 and transformer 1, and the operating noise of transformer 1 is low, reliability is high.

Claims

1. the water-cooled transformer of reactance device comprises transformer core, Transformer Winding, it is characterized in that: the lead of said Transformer Winding is a hollow conductor; The cavity of the hollow conductor of said Transformer Winding is communicated with the formation cooling passage; Said transformer core upper end is equipped with water cooling reactor, and said water cooling reactor comprises core of reactor, reactor winding and cooling pipe, and said reactor winding comprises two sections copper bars that twine core of reactor; One end of said copper bar is provided with connecting plate; The other end is provided with connecting hole, and said cooling pipe fits in said copper bar, and said cooling pipe and cooling passage all are connected in the circulating cooling pipe road.

2. the water-cooled transformer of reactance device as claimed in claim 1 is characterized in that: said cooling pipe fits in a side of said copper bar and is positioned at the middle part.

3. the water-cooled transformer of reactance device as claimed in claim 2 is characterized in that: the cooling fluid that feeds in the described circulating cooling pipe road is a pure water.

4. the water-cooled transformer of reactance device as claimed in claim 3 is characterized in that: being shaped as of the cross-sectional perimeter of the lead of said Transformer Winding is square.