CN201237969Y

CN201237969Y - Great-current low-voltage transformer structure improvement of high-frequency switching type DC rectifier

Info

Publication number: CN201237969Y
Application number: CNU2008201181606U
Authority: CN
Inventors: 林训毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-12
Filing date: 2008-06-12
Publication date: 2009-05-13
Anticipated expiration: 2018-06-12

Abstract

The utility model relates to a new design of a transformer of a high-frequency switching (also named as switching DC) direct current rectifier, in particular to an improved structure of a transformer suitable for large currents and low voltages. Based on an annular iron core (ferrocart core, nanocrystalline, amorphous silicon or other materials), the prior secondary side wound by a copper wire or a copper plate is changed into a module type (module mode) by utilizing the winding method of a primary side-dedicated copper wire and a new development and designed and assembled into a transformer; cooling water pipes are arranged inside modules in order to utilize cooling water to bring away heat, consequently, the transformer can be kept under a normal operation temperature, efficiency can be effectively increased, and energy and electricity can be saved as well. In addition, the cooling water can be recovered, so no pollution can be generated. Moreover, the volume and weight of the transformer can be reduced, while efficiency is increased. In particular, construction is quick, simple and convenient, so the cost can be effectively reduced, and the transformer is more advanced and practical than the conventional transformers.

Description

The transformer device structure improvement of the big current low voltage of high frequency switch type dc rectifier

Technical field

The utility model relates to a kind of transformer device structure improvement, what be particularly related to is a kind of transformer that utilizes ring structure iron core (material such as nanocrystalline or non-silicon wafer of ferrocart core) to make, described iron core is again by primary side conducting metal (copper cash) winding mode and the big current low voltage output of secondary side, and described secondary side is to form a novel transformer by modular or modular manner, can produce high heat when using as for the transformer of described big current low voltage, therefore be provided with cooling water pipe in modular inside, can utilize cooling water that heat is taken away, the efficient of big current low voltage high frequency switch type transformer is improved, again can energy saving and easy construction, especially volume of transformer can be dwindled and with weight saving.

Background technology

The transformer structure of traditional DC D.C. high-current low-voltage rectifier, mainly be to utilize SCR control silicon rectifier to control, it mainly is the DC power supply that is used in big current low voltage (example output 1V～50V, 1A～50000A), or high frequency switch type (switching regulator DC) dc rectifier.And its purposes is mainly used in surface treatment (promptly electroplate), as PCB platings, IC plating, continuous electroplating, five metals plating, electrolysis, charger, electric application etc.

And the transformer of described SCR control silicon rectifier, mainly be to utilize silicon steel material as transformer core, cooperate conductive metallic material to form with the copper cash winding mode with copper cash winding mode secondary side with primary side, and for needs in response to big current low voltage, the transformer of described SCR control silicon rectifier, iron loss and copper loss height, and efficient is low had again not only consumed energy but also power consumption.Described traditional transformer volume is very huge, can produce high temperature during again because of big current low voltage rectification, thus generally all cooling device must be arranged, if, then can produce very big noise by forcing fan to cool off; If use the oil introduced type of cooling, then will produce pollution, and its rectification efficiency be lower.

Utility model designer is the development and Design work of specializing in the DC DC power supply, especially for the transformer of big current low voltage, not only bulky and efficient is low, obviously can't satisfy required, therefore sprout the resolution of reform, and the specialty of cooperation itself and working experience for many years, after going through test for several times finally, revise and improving, initiate out the utility model.

Summary of the invention

The purpose of this utility model is, provides the transformer device structure improvement of a kind of high frequency switch type (switching regulator DC) dc rectifier, in order to overcome above-mentioned defective.

For achieving the above object, the technical solution adopted in the utility model is, the transformer device structure improvement of a kind of high frequency switch type (switching regulator DC) dc rectifier is provided, it comprises: annular core, primary side coiling and secondary side module, it is characterized in that: described secondary side module is formed with an annular groove, the annular core that is arranged with described first siding ring is inserted in the described annular groove, and described secondary side module offers cooling inlet opening and cooling apopore.

The beneficial effects of the utility model are compared with the prior art, make annular core and first siding ring and secondary side module, keep normal temperature simultaneously, allow transformer efficiency improve, reach the energy saving effect, and can dwindle volume of transformer and weight reduction, cool off by cooling water pipe in the especially described transformer, described cooling water not only can reclaim and can not produce pollution, shows the device progress practicality than traditional transformer.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model first embodiment;

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

Fig. 3 is the axial cutaway view of the utility model first embodiment;

Fig. 4 is the stereogram of the utility model second embodiment;

Fig. 5 is the stereogram of the utility model the 3rd embodiment;

Fig. 6 is the stereogram of the utility model the 4th embodiment.

Description of reference numerals: 1-ring structure iron core; The 10-first siding ring; 2,3,4,5-secondary side module; 21,22,31,32,33,34,41,42,51,52,53,54-module; 23,35,45,55-insulating material; 20,30,40,50-annular groove; 210,36,43, the 56-cooling holes of intaking; 220,37,44,57-water outlet cooling holes.

Embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

At first, see also shown in Figure 1, it is the three-dimensional exploded view of the utility model first embodiment, mainly form with secondary side module (module) 2 by an annular core 1, described annular core 1 is to utilize primary side copper cash winding mode, be formed with first siding ring 10, as for secondary side module 2 is that

module

21,22 by two semicircles combines, central authorities are formed with an annular groove 20 binding ends and utilize insulating material 23 to isolate, and on the described secondary side module 2 and offer cooling inlet opening 210 and cooling apopore 220.

Secondly, please cooperate consult shown in Figure 2, the utility model and traditional SCR control silicon rectifier, make transformer by silicon steel material, different with the mode of the big current low voltage of high frequency switch type (switching regulator DC) dc rectifier, it is a high frequency switch type, big current low voltage transformer, main utilize first siding ring 10 cooperation secondary side modules 2, form modular designs newly developed and be assembled into transformer by annular core 1 (materials such as ferrocart core, nanocrystalline or non-silicon wafer).Utilize cooling water that the heat that big electric current produced is taken away by water again, the efficient of transformer is improved, reach the effect of energy saving.

The device of relevant cooling water, please then consult shown in Figure 3, it is the axial cutaway view of secondary side module 2, in the described secondary side module 2 central annular grooves 20, be to insert the described annular core 1 that is formed with first siding ring 10, can produce high temperature during because of big current low voltage rectification, so need its cooling is kept normal temperature, could allow the efficient of transformer improve, and reach the effect of energy saving.The utility model is to offer cooling inlet opening 210 and cooling apopore 220 up and down in secondary side module 2, when carrying out rectification, utilize cooling water to enter secondary side module 2 inside by cooling inlet opening 210, flow out by cooling apopore 220 again, and heat can be taken away, keep secondary side module 2 in normal temperature.

Please continue to consult shown in Figure 4, it is the stereogram that the utility model second is implemented, described secondary side module 3 central authorities are formed with an annular groove 30, and be divided into four

module

31,32,33,34, when it was assembled, the binding end on described each module utilized insulating material 35 to isolate respectively, and on each module, offer cooling inlet opening 36 and cooling apopore 37 equally respectively, make each module when carrying out rectification, can cool off and remain on normal temperature, promote the efficient of transformer.

As for, secondary side module of the present utility model (module) also can improve and be quadrangle, as shown in Figure 5, it is the stereogram of the utility model the 3rd embodiment, described secondary side module 3 is made up of 41,42 of the quadrangle modules of two symmetries, central authorities also are formed with an annular groove 40, can insert for annular core 1, and offer cooling inlet opening 43 and cooling apopore 44 in module 41,42.And the binding end of module 41,42 is provided with insulating material 45 isolation equally, not only be useful in big current low voltage, and rectification efficiency is high.

Please then consult shown in Figure 6, it is the stereogram of the utility model the 4th embodiment, described secondary side module 5 is tetragonal moulding, and cut into four

module

51,52,53 and 54, when it is assembled, be binding end to be isolated by insulating material 55, and form an annular groove 50 in centre, be to insert for annular core 1, be positioned to offer respectively on each module and cool off inlet opening 56 and cooling apopore 57, the high temperature that is produced when carrying out rectification can be cooled off by cooling water immediately, secondary side module 5 rectification efficiencies are improved, reach the effect of energy saving.

Moreover, which kind of moulding is described secondary side module be not defined as, mainly be to form annular groove in central authorities to insert for annular core 1, and be provided with the cooling inlet opening and cool off apopore, the high temperature that (big current low voltage) produces during for rectification can cool off, to improve the efficient of rectification, so except that the moulding of the utility model embodiment, the geometry of other symmetry or irregular moulding also can both be useful in the secondary side modular shape.Therefore, obviously existing person when carrying out rectification by transformer of the present utility model, and following advantage is arranged:

(1) annular core of the present utility model 1 adopts materials such as () the nanocrystalline or non-silicon wafers of ferrocart core, cooperate primary side coiling newly developed and secondary side modular (module), be combined into the transformer of high frequency switch type rectifier, control the power consumption that the silicon rectifier comparison can be saved 20-30% with traditional SCR, reach the purpose of energy saving.

When (two) the utility model carries out rectification, be to utilize cooling water, reach the purpose that cools, and described cooling water is recyclable and can not produce pollution in the inner cooling of transformer.

(3) traditional SCR control silicon rectifier mode, the iron loss of described transformer and copper loss are very high, and especially efficient is low again, and volume is very huge, and it is very heavy not only to take up room greatly again; Review the transformer of high frequency switch type rectifier of the present utility model, remove existing person's energy saving, and volume of transformer is less, weight only has existing person's 1/20th, not only convenient in carrying and construct simple and easy.

(4) transformer of the utility model high frequency switch type rectifier, make secondary side the transformer of modular (module) into by newly developed, the rectifier of very suitable big current low voltage uses, and efficient is high, can save energy power saving again, meet the principle of economic benefit.

In sum, the transformer that the utility model is made by ring structure iron core (material such as nanocrystalline or non-silicon wafer of ferrocart core), change module water flowing mode (modular manner) with primary side winding mode and secondary side and form transformer, be useful in the high frequency switch type DC control of big current low voltage, it really is present best design of transformer, can perform to efficient the highest, and apply for preceding and find no identical product checking and approving patent in elder generation, do not see at publication yet, meet novel patent requirement, proposed patent application in accordance with the law.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection range of the present utility model.

Claims

1. the transformer device structure of the big current low voltage of high frequency switch type dc rectifier improvement, it comprises: annular core, primary side coiling and secondary side module, it is characterized in that: described secondary side module is formed with an annular groove, the annular core that is arranged with described first siding ring is inserted in the described annular groove, and described secondary side module offers cooling inlet opening and cooling apopore.

2. according to the transformer device structure improvement of the big current low voltage of the described high frequency exchange dc rectifier of claim 1, it is characterized in that: described secondary side inside modules is provided with cooling water pipe.

3. according to the transformer device structure improvement of the big current low voltage of claim 2 described high frequency switch type dc rectifier, it is characterized in that: described cooling water pipe extends from inside to outside, and is formed with an inlet opening and an apopore at least.

4. according to the transformer device structure improvement of the big current low voltage of claim 1 described high frequency switch type dc rectifier, it is characterized in that: described secondary side module is formed by two modules of symmetry.

5. according to the transformer device structure improvement of the big current low voltage of claim 4 described high frequency switch type dc rectifier, it is characterized in that: described secondary side module cross section is circle or quadrangle.

6. according to the transformer device structure improvement of the big current low voltage of claim 1 described high frequency switch type dc rectifier, it is characterized in that: described secondary side module is formed by the four module of symmetry.

7. according to the transformer device structure improvement of the big current low voltage of claim 6 described high frequency switch type dc rectifier, it is characterized in that: described secondary side module cross section is circle or quadrangle.