CN204695916U - A kind of transformer radiator being connected with inner fin - Google Patents
A kind of transformer radiator being connected with inner fin Download PDFInfo
- Publication number
- CN204695916U CN204695916U CN201520294610.7U CN201520294610U CN204695916U CN 204695916 U CN204695916 U CN 204695916U CN 201520294610 U CN201520294610 U CN 201520294610U CN 204695916 U CN204695916 U CN 204695916U
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- oil
- gear
- bar
- fin
- pump shaft
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Abstract
The utility model relates to transformer radiator.A kind of transformer radiator being connected with inner fin, comprise two oil pipes and some fin be connected between two oil pipes, the runner being communicated with described two oil pipes is provided with in described fin, be provided with some inner fins in described runner, described inner fin links together with described fin integrative-structure.The utility model provides heat when a kind of transformer oil flows through fin can pass to the transformer radiator being connected with inner fin of fin fast, solves the problem of existing transformer radiator radiating effect difference.
Description
Technical field
The utility model relates to transformer radiator, particularly relates to a kind of transformer radiator being connected with inner fin, belongs to transformer accessory field.
Background technology
Transformer will produce heat when running, and namely load current flows through Transformer Winding and produces heat, and these heats must dissipate in time.The parts losing this heat are transformer radiator.Existing transformer radiator comprises two oil pipes and some fin be connected between two oil pipes, be provided with the runner being communicated with upper oil pipe and lower oil pipe in fin, during use transformer oil enter from an oil pipe, again through runner flow through fin and heat loss is fallen, transformer oil after finally cooling flows back to transformer through another root oil pipe.Existing transformer radiator has the following disadvantages: when transformer oil flows through runner, heat can not pass to fin fast and lose, so radiating effect is poor.
Utility model content
The utility model provides heat when a kind of transformer oil flows through fin can pass to the transformer radiator being connected with inner fin of fin fast, solves the problem of existing transformer radiator radiating effect difference.
Above technical problem is solved by following technical proposal: a kind of transformer radiator being connected with inner fin, comprise two oil pipes and some fin be connected between two oil pipes, the runner being communicated with described two oil pipes is provided with in described fin, be provided with some inner fins in described runner, described inner fin links together with described fin integrative-structure.By arranging inner fin in fin, the surface area of runner can be increased, water passage surface amass increase then can transformer oil with the contact area of runner, thus when making transformer oil flow through oil duct, heat can pass to fin fast, plays the effect improving radiating effect.
As preferably, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and is rotationally connected with the pump shaft of pump case, circular interior bar is equipped with rotationally in described pump shaft, the outer peripheral face of described interior bar is provided with the first frictional layer, the inner surface of described pump shaft is provided with the second frictional layer, together with described interior bar and pump shaft to be connected to the second frictional layer by described first frictional layer.Circulating pump is set, transformer oil can be made normally to circulate in runner, and play the effect improving radiating effect and heat radiation reliability.When pump shaft produces distortion, pump shaft can produce relative to interior bar and rotate, and during rotation, external friction layer and the second frictional layer produce friction energy-absorbing and eliminate torsional forces, therefore the distortion resistance of pump shaft is good.
As preferably, described interior bar comprises left bar and right bar, the left end of described left bar is linked together with described pump shaft by left energy-absorbing spring, the right side of described left bar is provided with some the first commutating tooths along the distribution of left bar circumference, the right-hand member of described right bar is linked together with described pump shaft by right energy-absorbing spring, the left side of described right bar is provided with some the second commutating tooths along the distribution of right bar circumference, and described first commutating tooth and the second commutating tooth mesh together.When driving interior bar also to produce distortion when pump shaft distortion, right bar and left bar can be driven circumferentially to separate under the effect of the first commutating tooth and the second commutating tooth, energy-absorbing camber of spring and energy-absorbing time separately, can be caused.Further by pump shaft distortion resistance.
As preferably, between described pump shaft and interior bar, be filled with rubbing agent.When the first frictional layer in use procedure and the second frictional layer produce wearing and tearing and cause friction energy-absorbing effect to decline, rubbing agent can be filled between the first frictional layer and the second frictional layer and make the friction energy-absorbing effect that the first frictional layer and the second frictional layer still keep good, thus solves frictional force and decline and the abutting power that can not adjust easily between the first frictional layer and the second frictional layer and adjust the problem (existing solution wearing and tearing and the method that causes frictional force to decline is all realized by change pressure) of frictional force.
As preferably, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and pump shaft, described pump shaft passes through two bearings in described pump case, fueling cavity is formed between described pump case and two bearings, be provided with the first gear and the second gear that mesh together in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises oil-out, gas supplementing opening, seal head, seal head is driven to seal up the first spring of oil-out, cylinder body and slipper seal are connected to the piston of cylinder body, described cylinder body is divided into air cavity and oil pocket by described piston, described piston is provided with the unidirectional valve opened towards air cavity, described piston is linked together with described seal head by connecting rod, described oil-out is connected with described oil pocket by oil duct, described gas supplementing opening is connected with described air cavity by air flue, described oil-out is arranged at the tooth top of described first gear, the distance that described seal head stretches out the tooth top of described first gear is greater than the tooth top gap between described first gear and the second gear.During use, lubricating oil is loaded onto in oil pocket, pump shaft drives the first pinion rotation when rotating, when the first pinion rotation to the tooth being provided with oil-out with the second gears meshing together time, the teeth groove of the first gear drives in seal head indentation gear, is also moved towards oil pocket by connecting rod driven plunger and drive lubricating oil in oil pocket to flow to oil-out through oil duct and flow to fueling cavity thus realize the lubrication to bearing when sealing strip inside contracts while making the first spring energy-storage; When seal head staggers with teeth groove, oil-out is sealed in nose heave Xinmi City of effect lower seal of the first spring, the proceduredriven piston of seal head movement moves towards air cavity, now because the pressure in the part outflow of the oil in oil pocket, event oil pocket is less than the pressure of air cavity, unidirectional valve is opened and to make in replenish air to oil pocket and to reclaim in oil suction chamber by unnecessary having in fueling cavity, make next time piston press oil pocket time lubricating oil can reliably flow out.Achieve the self-lubricate of circulating pump.
As preferably, described fin is provided with tube connector, and described oil pipe is provided with oilhole, and the outer end of described oilhole is connected with base, described tube connector and described base link together, and are all fixed together by the mode of welding between described base and described oil pipe, between described base and described tube connector.Radiographic inspection can be passed through.Be convenient to find the junction whether poor sealing of fin and oil pipe.
As preferably, interior pipe is equipped with in described oilhole, the inner of described interior pipe is provided with the flange of clasp joint at described pipe inner surface, described interior pipe is located in described base and tube connector, metallic packing ring is provided with between the outer peripheral face of described interior pipe outer end and tube connector inner peripheral surface, described sealing ring is axially provided with annular distending groove away from one end of described oil pipe, described distending groove extends along the circumference of sealing ring, described distending groove is communicated with the inner space of described interior pipe, and described base, interior pipe and tube connector three weld together.Effectively can improve the bonding strength between tube connector and oil pipe and sealing reliability.
The utility model has following advantage: good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment one.
Fig. 2 is the cross sectional representation of fin.
Fig. 3 is the schematic diagram of circulating pump.
Fig. 4 is the cross-sectional schematic of the first gear and the second gear.
Fig. 5 is the close-up schematic view at the A place of Fig. 4.
Fig. 6 is the close-up schematic view at the B place of Fig. 4.
The cross-sectional schematic of the pump shaft in Fig. 7 embodiment two.
The schematic diagram of Fig. 8 embodiment three.
Fig. 9 is the syndeton schematic diagram of tube connector and oil pipe.
Figure 10 is the close-up schematic view at the C place of Fig. 9.
In figure: oil pipe 1, oilhole 11, base 12, fin 2, runner 21, tube connector 22, inner fin 3, interior pipe 4, flange 41, sealing ring 42, distending groove 421, circulating pump 5, pump shaft 51, interior bar 511, left bar 5111, right bar 5112, external friction layer 5113, first commutating tooth 5114, second commutating tooth 5115, interior frictional layer 512, left energy-absorbing spring 513, right energy-absorbing spring 514, pump case 52, circulating pump body 53, motor 54, bearing 55, fueling cavity 56, first gear 58, the tooth top 581 of the first tooth, second gear 57, minor axis 571, weld seam 6, oil-filling mechanism 8, oil-out 81, gas supplementing opening 82, seal head 83, first spring 84, cylinder body 85, air cavity 851, oil pocket 852, piston 86, unidirectional valve 861, connecting rod 862, oil duct 87, air flue 88, seal head stretches out the distance L1 of the tooth top of the first gear, tooth top gap L2 between first gear and the second gear.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment one, see Fig. 1, a kind of transformer radiator being connected with inner fin, comprises two oil pipes 1 and some fin 2 be connected between two oil pipes.Two oil pipes 1 extend in above-below direction level distribution direction.The oil pipe being positioned at top in oil pipe 1 is provided with circulating pump 5.
See Fig. 2, in fin 2, be provided with runner 21.Runner 21 by two oil pipe 1(see Fig. 1) be communicated with.Some inner fins 3 are provided with in runner 21.Inner fin 3 is structure as a whole with fin 2 and links together.
See Fig. 3, circulating pump 5 comprises pump shaft 51 and pump case 52.Pump shaft 51 is supported in pump case 52 by two bearings 55.Fueling cavity 56 is formed between pump case 52 and two bearings 55.The first gear 58 and the second gear 57 is provided with in fueling cavity 56.First gear 58 and the second gear 57 mesh together.First gear 58 links together with pump shaft 51.Second gear 57 is rotatably connected with pump case 52 by minor axis 571.
See Fig. 4, in the first gear 58, be provided with oil-filling mechanism 8.The number of oil-filling mechanism 8 is equal with the number of teeth of the first gear 58.
See Fig. 5, oil-filling mechanism 8 comprises oil-out 81, gas supplementing opening 82, seal head 83, first spring 84, cylinder body 85 and piston 86.The oil-out 81 of same oil-filling mechanism and gas supplementing opening 82 are arranged on the tooth top 581 of the same tooth of the first gear 58, the tooth top of same tooth only arranges oil-out and the gas supplementing opening of an oil-filling mechanism, and namely in the present embodiment, the tooth of oil-filling mechanism and the first gear 58 is arranged correspondingly.Seal head 83 and the first spring 84 are arranged in oil-out 81, stretch out tooth top 581 at the effect lower seal head 83 of the first spring 84 and seal up oil-out.The distance L1 that seal head stretches out the tooth top of the first gear is greater than tooth top gap L2(between the first gear and the second gear see Fig. 6).Cylinder body 85 is formed in the first gear 58 in the mode of integrative-structure, is the chamber in the first gear 58.Piston 86 slipper seal is connected to cylinder body 85.Cylinder body 85 is divided into air cavity 851 and oil pocket 852 by piston 86.Piston 86 is provided with the unidirectional valve 861 opened towards air cavity 851.Piston 86 is linked together with seal head 83 by connecting rod 862.Connecting rod 862 links together with slipper seal between the first gear 58, and oil-out 81 is disconnected with air cavity 851.Oil-out 81 is connected with oil pocket 852 by oil duct 87.Gas supplementing opening 82 is connected with air cavity 851 by air flue 88.Oil duct 87 and air flue 88 are all be formed in the first gear 58 in the mode of integrative-structure, are the hole in the first gear 58.
The process of the lubrication of the bearing in the utility model circulating pump is:
See Fig. 6, in the process that the first gear 58 rotates, shrink in bottom surface crush seal 83 to first gear 58 of the teeth groove of the second gear 57, seal head 83 shrinks and oil-out 81 is opened and makes the first spring 84 energy storage.
See Fig. 5, also moved towards oil pocket 852 by connecting rod 862 driven plunger 86 when seal head 83 shrinks, the pressure increase in oil pocket 852 is closed by unidirectional valve 861 and lubricating oil in oil pocket 852 flows to oil-out 81 through oil duct 87 and flows out from oil-out 81 and realize the lubrication to bearing 55.
When the second gear loses the squeezing action to seal head 83, move outside the effect lower seal head 83 of the first spring 84 and oil-out 81 is sealed up, moved towards air cavity 851 by connecting rod 862 driven plunger 86 when seal head 83 stretches out, pressure drop in oil pocket 852 and pressure increase in air cavity 851, unidirectional valve 861 is opened, oil unnecessary in air and fueling cavity 56 is through gas supplementing opening 82, air flue 88 and unidirectional valve 861 and flow to oil pocket 852, the air pressure that pressure in oil pocket 852 can be maintained in same gear exterior is equal, so that lubricating oil can squeeze out by piston 86 when oil pocket 852 moves next time.
Embodiment two, the difference with embodiment one is:
See Fig. 7, in pump shaft 51, be equipped with circular interior bar 511.Interior bar 511 is tubular structure.The inner surface of pump shaft 51 is provided with interior frictional layer 512.Interior bar 511 comprises left bar 5111 and right bar 5112.The outer peripheral face of left bar 5111 and right bar 5112 is all provided with external friction layer 5113.External friction layer 5113 is covered with interior bar 511 along the circumference of interior bar 511.The left end of left bar 5111 is linked together with pump shaft 51 by left energy-absorbing spring 513.The right side of left bar 5111 is provided with some the first commutating tooths 5114 along the distribution of left bar circumference.The right-hand member of right bar 5112 is linked together with pump shaft 51 by right energy-absorbing spring 514.The left side of right bar 5112 is provided with some the second commutating tooths 5115 along the distribution of right bar circumference.First commutating tooth 5114 and the second commutating tooth 5115 mesh together.Be rotatably connected together with pump shaft 51 together with left bar 5111 and right bar 5112 to be also all connected to interior frictional layer 512 by external friction layer 5113.Liquid rubbing agent is filled with in pump shaft 51.
When pump shaft 51 produces distortion, pump shaft 51 can produce relative rotation relative to interior bar 511, and motion process China and foreign countries' frictional layer 5113 and interior frictional layer 512 rub and consume energy and play the effect stoping twisting.If the moment of torsion of pump shaft 51 and result in interior bar 511 also together produce twisting time, now left bar 5111 and right bar 5112 can separate vertically under the guide effect of the first commutating tooth 5114 and the second commutating tooth 5115, separation process not only can make external friction layer 5113 produce friction and energy-absorbing with interior frictional layer 512, left energy-absorbing spring 513 and right energy-absorbing spring 514 can also be impelled to be out of shape and energy-absorbing, play energy-absorbing and prevent from reversing the effect produced, thus realizing the distortion resistance improving pump shaft.And right energy-absorbing spring 514 and left energy-absorbing spring 513 can also play the effect of repairing pump shaft 51.
Embodiment three, the difference with embodiment two is:
See Fig. 8, fin 2 is provided with the tube connector 22 that some same runners 21 are communicated with.Oil pipe 1 is provided with some oilholes 11.The outer end of oilhole 11 is connected with base 12.Base 12 and oil pipe 1 weld together.Interior pipe 4 is equipped with in oilhole 11.The inner of interior pipe 4 is provided with flange 41.Interior pipe 4 realizes the connection of oil pipe 1 with the runner 21 in fin 2 through piercing into correspondingly after base 12 in tube connector 22.
See Fig. 9, flange 41 clasp joint is on oil pipe 1 inner peripheral surface.Flange 41 and oil pipe 1 inner peripheral surface link together by means of only the mode abutted.The intersection of base 12, interior pipe 4 and tube connector 22 three welds together and forms weld seam 6.Base 12, interior pipe 4 and tube connector 22 three are sealed connected together by weld seam 6.
See Figure 10, between the outer peripheral face of interior pipe 4 outer end and tube connector 22 inner peripheral surface, be provided with metallic packing ring 42.Sealing ring 42 is axially provided with annular distending groove 421 away from one end of oil pipe 1.Distending groove 421 extends along the circumference of sealing ring 42.Distending groove 421 is communicated with the inner space of interior pipe 4.
Claims (7)
1. one kind is connected with the transformer radiator of inner fin, comprise two oil pipes and some fin be connected between two oil pipes, the runner being communicated with described two oil pipes is provided with in described fin, it is characterized in that, be provided with some inner fins in described runner, described inner fin links together with described fin integrative-structure.
2. a kind of transformer radiator being connected with inner fin according to claim 1, it is characterized in that, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and is rotationally connected with the pump shaft of pump case, circular interior bar is equipped with rotationally in described pump shaft, the outer peripheral face of described interior bar is provided with the first frictional layer, and the inner surface of described pump shaft is provided with the second frictional layer, together with described interior bar and pump shaft to be connected to the second frictional layer by described first frictional layer.
3. a kind of transformer radiator being connected with inner fin according to claim 2, it is characterized in that, described interior bar comprises left bar and right bar, the left end of described left bar is linked together with described pump shaft by left energy-absorbing spring, the right side of described left bar is provided with some the first commutating tooths along the distribution of left bar circumference, the right-hand member of described right bar is linked together with described pump shaft by right energy-absorbing spring, the left side of described right bar is provided with some the second commutating tooths along the distribution of right bar circumference, and described first commutating tooth and the second commutating tooth mesh together.
4. a kind of transformer radiator being connected with inner fin according to Claims 2 or 3, is characterized in that, be filled with rubbing agent between described pump shaft and interior bar.
5. a kind of transformer radiator being connected with inner fin according to claim 1 or 2 or 3, it is characterized in that, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and pump shaft, described pump shaft passes through two bearings in described pump case, fueling cavity is formed between described pump case and two bearings, the first gear and the second gear that mesh together is provided with in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises oil-out, gas supplementing opening, seal head, seal head is driven to seal up the first spring of oil-out, cylinder body and slipper seal are connected to the piston of cylinder body, described cylinder body is divided into air cavity and oil pocket by described piston, described piston is provided with the unidirectional valve opened towards air cavity, described piston is linked together with described seal head by connecting rod, described oil-out is connected with described oil pocket by oil duct, described gas supplementing opening is connected with described air cavity by air flue, described oil-out is arranged at the tooth top of described first gear, the distance that described seal head stretches out the tooth top of described first gear is greater than the tooth top gap between described first gear and the second gear.
6. a kind of transformer radiator being connected with inner fin according to claim 1 or 2 or 3, it is characterized in that, described fin is provided with tube connector, described oil pipe is provided with oilhole, the outer end of described oilhole is connected with base, described tube connector and described base link together, and are all fixed together by the mode of welding between described base and described oil pipe, between described base and described tube connector.
7. a kind of transformer radiator being connected with inner fin according to claim 6, it is characterized in that, interior pipe is equipped with in described oilhole, the inner of described interior pipe is provided with the flange of clasp joint at described pipe inner surface, described interior pipe is located in described base and tube connector, metallic packing ring is provided with between the outer peripheral face of described interior pipe outer end and tube connector inner peripheral surface, described sealing ring is axially provided with annular distending groove away from one end of described oil pipe, described distending groove extends along the circumference of sealing ring, described distending groove is communicated with the inner space of described interior pipe, described base, interior pipe and tube connector three weld together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294610.7U CN204695916U (en) | 2015-05-09 | 2015-05-09 | A kind of transformer radiator being connected with inner fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520294610.7U CN204695916U (en) | 2015-05-09 | 2015-05-09 | A kind of transformer radiator being connected with inner fin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204695916U true CN204695916U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520294610.7U Expired - Fee Related CN204695916U (en) | 2015-05-09 | 2015-05-09 | A kind of transformer radiator being connected with inner fin |
Country Status (1)
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| CN (1) | CN204695916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047363A (en) * | 2015-05-09 | 2015-11-11 | 陈学福 | Transformer radiator fixedly connected with internal fins |
| CN105390238A (en) * | 2015-12-18 | 2016-03-09 | 无锡博利达换热器有限公司 | Oil cooler for oil type transformers |
| US11211191B2 (en) * | 2017-03-08 | 2021-12-28 | Craig Robert McChlery | Transformer radiator |
-
2015
- 2015-05-09 CN CN201520294610.7U patent/CN204695916U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047363A (en) * | 2015-05-09 | 2015-11-11 | 陈学福 | Transformer radiator fixedly connected with internal fins |
| CN105390238A (en) * | 2015-12-18 | 2016-03-09 | 无锡博利达换热器有限公司 | Oil cooler for oil type transformers |
| US11211191B2 (en) * | 2017-03-08 | 2021-12-28 | Craig Robert McChlery | Transformer radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20170509 |