CN206480469U

CN206480469U - Non-homogeneous oil duct gilled radiator

Info

Publication number: CN206480469U
Application number: CN201720208371.8U
Authority: CN
Inventors: 王建忠; 陈志频; 马昕霞
Original assignee: CHANGSHU YOUBANG RADIATOR Co Ltd
Current assignee: CHANGSHU YOUBANG RADIATOR Co Ltd
Priority date: 2017-03-06
Filing date: 2017-03-06
Publication date: 2017-09-08
Anticipated expiration: 2027-03-06

Abstract

A kind of non-homogeneous oil duct gilled radiator, including entering, oil return pipe and one group of fin, one group of fin is each to be made up of forward and backward radiating plate, being constituted between forward and backward radiating plate has a plurality of oil duct units, each oil duct unit has plural bar oil duct, and separated between each two adjacent oil duct unit by oil duct cell isolation welding bead, the region structure on the top of forward and backward radiating plate is fin oil suction chamber, the region structure of bottom is fin oil back chamber, the top of oil duct is communicated with fin oil suction chamber and bottom is communicated with the fin oil back chamber, feature：It is different from the cross-sectional area of the oil duct positioned at middle oil duct unit positioned at the cross-sectional area of the oil duct of each oil duct unit of both sides in oil duct unit, and the cross-sectional area of the oil duct positioned at each oil duct unit of both sides is mutually the same.Improve integral heat sink efficiency, ensure service life, reduce the specification of radiator, reduce the adaptedness of cost and enhancement to installing space.

Description

Non-homogeneous oil duct gilled radiator

Technical field

The utility model belongs to oil-filled transformer component technology field, and in particular to a kind of non-homogeneous oil duct chip radiating Device.

Background technology

As is known in the industry, need to be in oil-filled transformer body in order to ensure oil-filled transformer is able to run steadily in the long term The both sides of long side direction configure gilled radiator, radiator and oil by means of flange connection or other similar connected modes The conduction oil formation circulation cooling circuit of immersion inside transformer, plays the work to the iron core cooling inside oil-filled transformer With, controlled the temperature rise of oil-filled transformer, ensure power supply-distribution system it is normal with it is safe.

It is no lack of the technical information on gilled radiator, such as CN201084519Y in disclosed Chinese patent literature（Become Depressor gilled radiator）、CN201229827Y（Stair type heat radiator of heat radiating fins）、CN201185117Y（The chip of transformer Radiator）、CN201185118Y（The radiator of transformer）、CN201185115Y（Radiator with fan seat）、 CN201256051Y and CN101388275A（Using the transformer heat exchanger of evaporation cooling technique）、CN202394651U（Transformation Device gilled radiator）、CN201331277Y（Fin type heat radiator for transformer）、CN101930829A（A kind of oil-filled transformer Radiator）、CN203642770U（Gilled radiator）And CN204286154U（A kind of oil-filled transformer cooling is dissipated with chip Hot device）, etc..

And then as is known in the industry, the fluid temperature of oil-filled transformer can effectively be reduced by improving the heat transfer property of gilled radiator Degree, improves working environment and extends the service life of oil-filled transformer.In addition, radiating efficiency and the radiating of gilled radiator The improvement of effect can reduce the specification of gilled radiator or even reduce the quantity of gilled radiator, can not only save to money The consumption in source, and the cost of oil-filled transformer can be reduced.

By the reading to being not limited to patent document exemplified above, deposited in the structure design of gilled radiator It is uniform in the oil duct of common ground, i.e. gilled radiator, specifically, is implemented in（It is formed in）On same gilled radiator Plural bar oil duct（Oil duct is also referred to as " oil groove ", as follows）Cross-sectional area be it is equal, this structure have is simplified use In the strong point of the mould of shaping fin, and both got back for a long time by the approval as the law of radiator production firm The accreditation of transformer user, especially, had not only had no but also had not heard the report that any query is proposed to this impartial oil channel structure so far Road.But many experiments made through the applicant think that uniform oil duct at least has following technical problem：Because radiator exists During actual military service, the oil mass received positioned at the oil duct of fin two side areas receives than the oil duct positioned at central region Oil mass it is small, thus abundance of the fluid in the oil duct of two side areas and central region is uneven, then two side areas The radiating efficiency and radiating effect relative mistake of oil duct, influence the operating efficiency of whole radiator, or even influence the use of transformer Life-span.Additionally due to the design concept as the law of uniform oil duct also produces and following attempts to solve but so far all the time fail solution Puzzlement certainly：The factor consideration such as space constraints when being installed due to transformer user for cost factor and electric power facility, because And require transformer production manufacturer and reduce specification or even the reduction of radiator as far as possible on the premise of radiating effect is ensured The quantity of radiator, but facts have proved that bear's paw can not get both with shark's fin.

For above-mentioned technical problem, the applicant has made beneficial design, and technology described below is formd finally Scheme, and test center in the case where taking secrecy provision in the applicant tested, and is as a result proved to be practical 's.

The content of the invention

Task of the present utility model is that providing one kind helps to significantly improve integral heat sink efficiency and use guarantee oil immersion The service life of formula transformer, the specification for being conducive to reducing radiator or even reduction radiator are on oil-filled transformer Configuration quantity and using meets transformer user and reduces cost and save the non-homogeneous oil duct chip radiating of requirements of installation space Device.

What task of the present utility model was performed by, a kind of non-homogeneous oil duct gilled radiator, including an oil inlet pipe, One oil return pipe and one group not only longitudinally of one another it is parallel again spaced reciprocally be connected between oil inlet pipe and oil return pipe for will be by The fin for leading to oil return pipe, each plate and one that radiated before one of one group of fin are returned after the high-temperature oil liquid radiating that oil inlet pipe is introduced Radiating plate is constituted afterwards, and the preceding radiating plate and rear radiating plate face each other and coordinated and at edge position by radiating The piece limit mutual solid welding of welding bead is integrated, and being constituted between preceding radiating plate and rear radiating plate has a plurality of oil duct units, each Oil duct unit has between plural bar oil duct, and each two adjacent oil duct unit by the separation of oil duct cell isolation welding bead, preceding radiating Plate and the region on the top of rear radiating plate are configured to fin oil suction chamber, and the region of bottom is configured to fin oil return Chamber, the top of described oil duct is communicated with fin oil suction chamber and bottom is communicated with the fin oil back chamber, is characterised by institute In the oil duct unit stated, it is and the oil duct unit positioned at centre positioned at the cross-sectional area of the oil duct of each oil duct unit of both sides Oil duct cross-sectional area it is different, and the cross-sectional area of oil duct of each oil duct unit positioned at both sides is mutually the same 's.

In a specific embodiment of the present utility model, the oil duct of described each oil duct unit positioned at both sides Cross-sectional area it is bigger than the cross-sectional area of the described oil duct for being located at middle oil duct unit.

In another specific embodiment of the present utility model, the oil of described each oil duct unit positioned at both sides The cross-sectional area in road is 1.52 times of the cross-sectional area of the described oil duct for being located at middle oil duct unit.

In another specific embodiment of the present utility model, the oil duct of each oil duct unit positioned at both sides Quantity and the quantity of the oil duct for being located at middle oil duct unit be identical.

In another specific embodiment of the present utility model, the oil duct of each oil duct unit positioned at both sides And the quantity of the oil duct for being located at middle oil duct unit is respectively three, four or five, and each two adjacent oil duct Between passage insertion is narrowed by oil duct.

It is of the present utility model also have a specific embodiment in, the oil inlet pipe one end constitute have one be used for The oil inlet pipe adapting flange of the transformer oil-out mating of oil-filled transformer, and the other end of oil inlet pipe is closed, oil inlet pipe Side of the middle part under is communicated with fin oil suction chamber.

It is solid towards upper side at the middle part of the oil inlet pipe of the present utility model more and in a specific embodiment Surely there is radiator hanger.

In an of the present utility model and then specific embodiment, upper side is provided with one in the oil inlet pipe Air bleeder screw plug.

Of the present utility model and more and in a specific embodiment, being constituted in one end of the oil return pipe has one to be used for The oil return pipe adapting flange being coupled with the transformer oil inlet of oil-filled transformer, and the other end of oil return pipe is closed, oil return pipe Middle part communicated towards upper side with described fin oil back chamber.

It is of the present utility model and and then a specific embodiment in, respectively set in the both sides of one group of described fin There is fin connection reinforcement rib.

The technical scheme that the utility model is provided has technical effect that：Due to overcoming the technology prejudice in prior art And the oil duct of each oil duct unit positioned at both sides in a plurality of oil duct units that will be formed between forward and backward radiating plate It is designed as differing with the cross-sectional area of the oil duct positioned at middle oil duct unit, thus helps to significantly improve the whole of fin Body radiating efficiency, ensures the service life of oil-filled transformer, and also helps the specification for reducing radiator or even subtract Configuration quantity of the fin of few radiator on oil-filled transformer, it is highly beneficial to reduce cost and increasing in transformer user Enter the adaptedness to installing space.

Brief description of the drawings

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is Fig. 1 front view.

Fig. 3 is the local structural graph of the fin shown in Fig. 1.

Fig. 4 is the sectional view of the fin shown in Fig. 1.

Embodiment

Fig. 1 is referred to Fig. 4, shows that an oil inlet pipe 1, an oil return pipe 2 and one group were not only parallel but also mutual longitudinally of one another Compartment of terrain, which matches somebody with somebody to return after the high-temperature oil liquid for that will be introduced by oil inlet pipe 1 being connected between oil inlet pipe 1 and oil return pipe 2 radiates, to be led to back The fin 3 of oil pipe 2, one group of fin 3 it is each by material be preferably stainless steel be made one before radiate after radiating plate 31 and one Plate 32 is constituted, and the preceding radiating plate 31 and rear radiating plate 32 face each other and coordinated and at edge position by radiating The piece limit mutual solid welding of welding bead 33 is integrated, and being constituted between preceding radiating plate 31 and rear radiating plate 32 has a plurality of oil duct units 34, each oil duct unit 34 has to be welded between plural bar oil duct 341, and each two adjacent oil duct unit 34 by oil duct cell isolation Road 342 separates, and the region on preceding radiating plate 31 and the top of rear radiating plate 3 is configured to fin oil suction chamber 37, and bottom Region is configured to fin oil back chamber 35, and the top of foregoing oil duct 341 is communicated with fin oil suction chamber 37, and bottom dissipates with this Backing oil back chamber 35 is communicated.

The technical essential of the technical scheme provided as the utility model：In foregoing oil duct unit 34, positioned at both sides The cross-sectional area of oil duct 341 of each oil duct unit 34 be transversal with the oil duct 341 positioned at middle oil duct unit 34 Area is different, and the cross-sectional area of the oil duct 341 positioned at each oil duct unit 34 of both sides is mutually the same.So that Gilled radiator shows as the non-homogeneous hot device of oil duct chip.

The cross-sectional area of the oil duct 341 of foregoing each oil duct unit 34 positioned at both sides than it is foregoing be located at it is middle The cross-sectional area of the oil duct 341 of oil duct unit 34 is big.

In the present embodiment, before the cross-sectional area of the oil duct 341 of foregoing each oil duct unit 34 positioned at both sides is That states is located at 1.52 times of the cross-sectional area of the oil duct 341 of middle oil duct unit 34.

Preferably, the quantity of the oil duct 341 of foregoing each oil duct unit 34 positioned at both sides and it is foregoing be located at centre The quantity of oil duct of oil duct unit 34 be that identical is i.e. equal.

In the present embodiment, the oil duct 341 of foregoing each oil duct unit 34 positioned at both sides and it is foregoing be located at centre Oil duct unit 34 oil duct 341 quantity respectively be three（I.e. three）, but can also be respectively four or five, and each two The insertion of passage 3411 is narrowed by oil duct between adjacent oil duct 341, because the shape of cross section of oil duct unit 34 is in a plurality of sleeping The 8-shaped put, thus help to strengthen the intensity of fin 3.In addition, foregoing oil duct, which narrows passage 3411 and can played, makes fluid The effect of turbulent flow.

The quantity that also show in Fig. 4 positioned at middle oil duct unit 34 is six, but is not limited to six.

According to Φ=h*A* Δs T（A heat transfer areas, Δ T mean temperature differences, h heat transfer coefficient Φ heat flows）.Pass through increase Transformer oil flow velocity, so that enhancing heat transfer h, because transformer oil flowing is relatively uniform, heat transfer area A has increased, from And increase heat flow, improve the heat radiation power of radiator.

Please emphasis see Fig. 1, constituted in one end of foregoing oil inlet pipe 1 have one be used for it is fuel-displaced with the transformer of oil-filled transformer The oil inlet pipe adapting flange 11 of mouthful mating, and the other end of oil inlet pipe 1 is closed, the side of the middle part of oil inlet pipe 1 under is with dissipating Backing oil suction chamber 37 is communicated.

Preferably, radiator hanger 12 is fixed with towards upper side at the middle part of foregoing oil inlet pipe 1, and in oil inlet pipe 1 is provided with an air bleeder screw plug 13 towards upper side.

Being constituted in one end of foregoing oil return pipe 2 has one to be used for the oil return with the transformer oil inlet mating of oil-filled transformer Pipe adapting flange 21, and the other end of oil return pipe 2 is closed, the middle part of oil return pipe 2 is returned towards upper side and foregoing fin Oil pocket 35 is communicated（Purge cock can be set on oil return pipe 2）.It follows that foregoing oil duct unit 34 enter positioned at fin, Between oil back chamber 37,35, i.e., positioned at fin 3 short transverse central region.

Preferably, fin connection reinforcement rib 36 is each provided with the both sides of one group of foregoing fin 3.

In summary, the technical scheme that the utility model is provided compensate for the shortcoming in prior art, favorably accomplish Invention task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.

Claims

1. a kind of non-homogeneous oil duct gilled radiator, including an oil inlet pipe (1), an oil return pipe (2) and one group are both longitudinally of one another It is parallel to match somebody with somebody the high temperature oil for being used to be introduced by oil inlet pipe (1) being connected between oil inlet pipe (1) and oil return pipe (2) spaced reciprocally again Dissipated after the fin (3) for leading to oil return pipe (2), one group of fin (3) each radiated before one plate (31) and one are returned after liquid radiating Hot plate piece (32) is constituted, and the preceding radiating plate (31) and rear radiating plate (32) face each other and coordinated and in surrounding edge Position is integrated by marginal welding bead (33) the mutually solid welding of fin, and being constituted between preceding radiating plate (31) and rear radiating plate (32) has A plurality of oil duct units (34), each oil duct unit (34) has plural bar oil duct (341), and each two adjacent oil duct unit (34) separated between by oil duct cell isolation welding bead (342), preceding radiating plate (31) and the area on the top of rear radiating plate (32) Domain is configured to fin oil suction chamber (37), and the region of bottom is configured to fin oil back chamber (35), described oil duct (341) Top is communicated with fin oil suction chamber (37) and bottom is communicated with the fin oil back chamber (35), it is characterised in that in described oil In road unit (34), positioned at the cross-sectional area of the oil duct (341) of each oil duct unit (34) of both sides be with positioned at centre The cross-sectional area of the oil duct (341) of oil duct unit (34) is different, and the oil duct of each oil duct unit (34) positioned at both sides (341) cross-sectional area is mutually the same.

2. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that described positioned at each the one of both sides The cross-sectional area of the oil duct (341) of individual oil duct unit (34) is than the described oil duct (341) for being located at middle oil duct unit (34) Cross-sectional area it is big.

3. non-homogeneous oil duct gilled radiator according to claim 1 or 2, it is characterised in that described is located at each of both sides The cross-sectional area of the oil duct (341) of one oil duct unit (34) is the described oil duct for being located at middle oil duct unit (34) (341) 1.52 times of cross-sectional area.

4. non-homogeneous oil duct gilled radiator according to claim 3, it is characterised in that each one positioned at both sides The quantity of the oil duct of the quantity of the oil duct (341) of oil duct unit (34) and the oil duct unit (34) for being located at centre is identical 's.

5. non-homogeneous oil duct gilled radiator according to claim 4, it is characterised in that each one positioned at both sides The quantity of the oil duct (341) of oil duct unit (34) and the oil duct (341) for being located at middle oil duct unit (34) is respectively three It is individual, between four or five, and each two adjacent oil duct (341) by oil duct narrow passage (3411) insertion.

6. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that one end in the oil inlet pipe (1) Constituting has an oil inlet pipe adapting flange (11) for being used to be coupled with the transformer oil-out of oil-filled transformer, and oil inlet pipe (1) Other end closing, the side of the middle part of oil inlet pipe (1) under is communicated with fin oil suction chamber (37).

7. the non-homogeneous oil duct gilled radiator according to claim 1 or 6, it is characterised in that in the oil inlet pipe (1) Middle part is fixed with radiator hanger (12) towards upper side.

8. non-homogeneous oil duct gilled radiator according to claim 7, it is characterised in that in the oil inlet pipe (1) towards upper Side be provided with an air bleeder screw plug (13).

9. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that one end in the oil return pipe (2) Constituting has an oil return pipe adapting flange (21) for being used to be coupled with the transformer oil inlet of oil-filled transformer, and oil return pipe (2) The other end closing, the middle part of oil return pipe (2) is communicated towards upper side with described fin oil back chamber (35).

10. non-homogeneous oil duct gilled radiator according to claim 1, it is characterised in that in one group of described fin (3) both sides are each provided with fin connection reinforcement rib (36).