CN110491641A - Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator - Google Patents
Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator Download PDFInfo
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- CN110491641A CN110491641A CN201910827669.0A CN201910827669A CN110491641A CN 110491641 A CN110491641 A CN 110491641A CN 201910827669 A CN201910827669 A CN 201910827669A CN 110491641 A CN110491641 A CN 110491641A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This application involves a kind of heat loss through convection pipe, variable capacity heat loss through convection component and oil to become radiator, belongs to oil and becomes heat sink technology field.Heat loss through convection pipe, it is carved on the tube wall of heat dissipation base tube and cuts with discrete protrusion reinforcing unit, the extending direction that protrusion strengthens unit is axial parallel with heat dissipation base tube, each threeway heat exchanger tube includes first port, second port and third port, the central axis of first port and the central axis of second port are conllinear, the central axis of third port and the central axis upright of first port, the end for the base tube that radiates are connected with third port.The heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator, while with good dust-proof and heat dissipation effect, modularized design, small in size, convenient transport, it can be realized the splicing of multiple heat loss through convection pipes, to be suitable for the radiating requirements of different heat dissipation capacities, to ensure that the safe operation of transformer and improve its service life.
Description
Technical field
This application involves oil to become heat sink technology field, in particular to a kind of heat loss through convection pipe, variable capacity convection current
Radiating subassembly and oil become radiator.
Background technique
Due to rapid urban, network load constantly increases, while city creates substation site selection difficulty, so as to cause
More transformer at full capacity or overload operation, in addition summer solar radiation is strong, environment temperature is high and dust in air mostly etc.
Reason, leading to some transformers top-oil temperature in summer peak meeting is more than DL/T572-2010 " power transformer operating standard " rule
95 DEG C fixed (self cooling air-cooled).Power transformer generally uses A class F insulating material F, and allowing temperature is 105 DEG C.GB/T 1094.7-
2008 " oil-immersed power transformer load directive/guides " define the opposite ageing rate of TRANSFORMER INSULATING MATERIAL.When hot(test)-spot temperature is 98
DEG C when, opposite ageing rate is 1, the every raising 6K of temperature, and opposite ageing rate increases by 1 times, i.e. insulation life reduces half.Overload transformation
Hot operation when device is long will accelerate the aging of transformer Oil-Paper Insulation.In order to guarantee the safety of grid equipment, transformer is super
Have to when load the measure for taking auxiliary temperature-reducing, power cuts to limit consumption.Power supply company generallys use water spray, air cooler blowing, puts
The mode for setting ice cube carries out supplement heat rejecter to transformer.Though there is certain cooling effect, this can waste a large amount of manpower and material resources, simultaneously
Water spray be easy to cause the corrosion of gilled radiator under high temperature, influences the operation steady in a long-term of transformer.
Current oil-immersed transformer is bulky and inconvenient to transport with radiator (referred to as oil becomes radiator), radiating efficiency is low,
Do not have good anti-dust stratification and heat dissipation effect, so that transformer temperature in overload steeply rises, seriously affects transformer peace
Row for the national games and service life.
Summary of the invention
The purpose of the application is in view of the above-mentioned problems, providing a kind of heat loss through convection pipe, variable capacity heat loss through convection component
And oil becomes radiator, while with good dust-proof and heat dissipation effect, modularized design, small in size, convenient transport can
The splicing of multiple heat loss through convection pipes is realized, to be suitable for the radiating requirements of different heat dissipation capacities, to ensure that the safety of transformer
Its service life is run and improved, the above problem is improved.
According to the heat loss through convection pipe of the application first aspect embodiment, including heat dissipation base tube, the first threeway heat exchanger tube and the
Two threeway heat exchanger tubes, the first threeway heat exchanger tube and the second threeway heat exchanger tube are located at the both ends of heat dissipation base tube, and radiate base tube
It is carved on tube wall and cuts with discrete protrusion reinforcing unit, the extending direction that protrusion strengthens unit is axial parallel with heat dissipation base tube, often
A threeway heat exchanger tube includes first port, second port and third port, in the central axis and second port of first port
Heart axis collinear, the central axis of third port and the central axis upright of first port, the end and third end of the base tube that radiates
Mouth is connected.
According to the heat loss through convection pipe of the embodiment of the present application, the discrete protrusion cut is carved on the tube wall by the base tube that radiates and is strengthened
Unit increases the heat dissipation area of heat loss through convection pipe, meanwhile, the extending direction that protrusion strengthens unit is (flat with the axial direction of heat dissipation base tube
Row) make protrusion reinforcing unit be not easy dust accumulation, there is preferable dust-proof effect relative to annular projection；In addition, heat dissipation base tube two
Hold setting threeway heat exchanger tube (general designation of the first threeway heat exchanger tube and the second threeway heat exchanger tube) arbitrary port (first port and
The general designation of second port) it is connected to heat dissipation base tube, there is assembling capacity, which may be implemented modularized production,
Small in size, convenient transport can be spliced using the assembling capacity of heat loss through convection pipe with another heat loss through convection pipe, be realized
The radiator structure of varying capacity, to be suitable for the radiating requirements of different heat dissipation capacities.
In addition, also there is following additional technical characteristic according to the heat loss through convection pipe of the embodiment of the present application:
According to some embodiments of the present application, the outer peripheral surface of first port and the outer peripheral surface of second port are equipped with outer spiral shell
Line.
In the above-described embodiment, external screw thread is set in first port and second port, it is logical convenient for two heat loss through convection pipes
It crosses thread bush to be connected, guarantees the bonding strength of two heat loss through convection pipes, there is good assembling capacity.
Optionally, protrusion strengthens the inner tubal wall and/or outer tube wall that unit is set to heat dissipation base tube.
In the above-described embodiment, protrusion strengthens the inner tubal wall that unit can both be opened in heat dissipation base tube, can also open up
In heat dissipation base tube outer tube wall, can also be opened in simultaneously heat dissipation base tube inner tubal wall and outer tube wall, according to actual use demand,
Different setting positions is chosen, flexibility is high.
According to the variable capacity heat loss through convection component of the application second aspect embodiment, including it is multiple according to the application first
The heat loss through convection pipe of aspect embodiment, the first threeway heat exchanger tube of two neighboring heat loss through convection pipe by the first connection ring connect with
Oil inlet pipe is formed, the second threeway heat exchanger tube of two neighboring heat loss through convection pipe is connected by the second connection ring to form flowline.
According to the variable capacity heat loss through convection component of the embodiment of the present application, the heat dissipation of existing stationary type dispersed heat is changed
Structure realizes the connection of two neighboring heat loss through convection pipe, energy by connection ring (general designation of the first connection ring and the second connection ring)
Enough assemblings for realizing variable capacity heat loss through convection component according to the actual situation, have preferable assembling flexibility, are suitable for difference
The radiating requirements of heat dissipation capacity.
According to some embodiments of the present application, the outer peripheral surface of first port and the outer peripheral surface of second port are equipped with outer spiral shell
Line, the both ends of the first connection ring are provided with the internal screw thread with external screw thread cooperation, and the both ends of the second connection ring are provided with and external screw thread
The internal screw thread of cooperation, the first connection ring are threadedly coupled with the first threeway heat exchanger tube, the second connection ring and the second threeway heat exchanger tube spiral shell
Line connection.
In the above-described embodiment, two neighboring threeway heat exchanger tube (the first threeway heat exchanger tube and the second threeway heat exchanger tube
It is referred to as) it is connected by connection ring (general designation of the first connection ring and the second connection ring), assembly efficiency is improved, is easy to implement adjacent
The assembly of two heat loss through convection pipes.
According to the variable capacity oil of the application third aspect embodiment become radiator, including fuel tank, side dust-proof guard and
Multiple variable capacity heat loss through convection components according to the application second aspect embodiment, side dust-proof guard are set to the side of fuel tank
Face, multiple variable capacity heat loss through convection components are arranged between side dust-proof guard and fuel tank, and one end of oil inlet pipe and fuel tank connect
Logical, the other end is blocked by side dust-proof guard；One end of flowline is connected to fuel tank, and the other end is blocked by side dust-proof guard.
Become radiator according to the variable capacity oil of the embodiment of the present application, one end of oil inlet pipe is connected to fuel tank, other end quilt
Side dust-proof guard blocks, and flowline is similarly arranged, and enables transformer oil to enter oil inlet pipe from the top of fuel tank, and enter
In corresponding heat dissipation base tube, then in flowline assemble jamming oil return box lower section, realize the circulation cooling of transformer oil, increase
Heat dissipation path, improves heat dissipation effect, meanwhile, pair of different number can be chosen according to the radiating requirements of different heat dissipation capacities
Wandering heat pipe；Cooperate side dust-proof radiating baffle, so that variable capacity heat loss through convection component is not easy dust accumulation, has preferable dust-proof
Effect, guarantee transformer using safe and improve the service life of transformer.
According to some embodiments of the present application, side dust-proof guard offers multiple tilted cylindrical envelope shape ventilation holes, inclination circle
The central axis of cylindricality ventilation hole favours side dust-proof guard, and the inner end of tilted cylindrical envelope shape ventilation hole is logical higher than tilted cylindrical envelope shape
The outer end of air holes, position of the tilted cylindrical envelope shape ventilation hole on the dust-proof guard of side is higher, and aperture is smaller.
In the above-described embodiment, the setting of tilted cylindrical envelope shape ventilation hole increases flowing in variable capacity heat loss through convection
The heat dissipation effect of transformer oil in component, meanwhile, also have the effect of it is dust-proof, guarantee transformer using safe.
According to some embodiments of the present application, it further includes top dust-proof guard that variable capacity oil, which becomes radiator, and top is dust-proof
Baffle is installed on the top of fuel tank, and top dust-proof guard is equipped with multiple flap type ventilation holes.
In the above-described embodiment, by the flap type ventilation hole of top dust-proof guard, the top portion ventilation of fuel tank is realized
It radiates and dust-proof.
According to some embodiments of the present application, one end of oil inlet pipe is threadedly coupled with fuel tank by third connection ring, another
End is threadedly coupled with side dust-proof guard by the 4th connection ring；One end of flowline and fuel tank are connected by the 5th connection ring screw thread
It connects, the other end is threadedly coupled with side dust-proof guard by the 6th connection ring.
In the above-described embodiment, oil inlet pipe is convenient for real with fuel tank and side dust-proof guard by the way of being threadedly coupled
The disassembly of existing oil inlet pipe, improves assembly efficiency；Similarly, the assembly method of flowline, improves assembly efficiency.
Outer peripheral surface in some specific embodiments of the application, positioned at the port of the threeway heat exchanger tube of the end of oil inlet pipe
It is equipped with external screw thread, the inner surface of side dust-proof guard is provided with tapped blind hole, and fuel tank offers internal screw thread, and third connects
The one end for connecing ring is provided with the internal screw thread cooperated with the external screw thread of threeway heat exchanger tube, and the other end is provided with matches with the internal screw thread of fuel tank
The external screw thread of conjunction；One end of 4th connection ring is provided with the internal screw thread with the cooperation of the external screw thread of threeway heat exchanger tube, other end setting
There is the external screw thread with the screw-internal thread fit of side dust-proof guard；One end of 5th connection ring is provided with the outer spiral shell with threeway heat exchanger tube
The internal screw thread of line cooperation, the other end are provided with the external screw thread with the screw-internal thread fit of fuel tank；One end of 6th connection ring is provided with
The internal screw thread cooperated with the external screw thread of threeway heat exchanger tube, the other end are provided with the outer spiral shell with the screw-internal thread fit of side dust-proof guard
Line.
In the above-described embodiment, third connection ring, the 4th connection ring, the 5th connection ring and the 6th connection ring are identical
Structure has preferable interchangeability, and modular assembly is convenient in manufacture easy to process, improves variable capacity oil and becomes radiator
Assembling capacity.
The additional aspect and advantage of the application will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram for the heat loss through convection pipe that the application first aspect embodiment provides；
Fig. 2 is another structural schematic diagram for the heat loss through convection pipe that the application first aspect embodiment provides；
Fig. 3 is the structural schematic diagram for the variable capacity heat loss through convection component that the application second aspect embodiment provides；
Fig. 4 is the structural schematic diagram of the first connection ring of the variable capacity heat loss through convection component of Fig. 3；
Fig. 5 is the structural schematic diagram that the variable capacity oil that the application third aspect embodiment provides becomes radiator；
Fig. 6 is the partial schematic diagram that the variable capacity oil of Fig. 5 becomes the side dust-proof guard of radiator；
Fig. 7 is the structural schematic diagram that the variable capacity oil of Fig. 5 becomes the top dust-proof guard of radiator；
Fig. 8 is the structural schematic diagram that the variable capacity oil of Fig. 5 becomes the 4th connection ring of radiator；
The variable capacity oil that Fig. 9 is Fig. 5 becomes the side dust-proof guard of radiator and matching for variable capacity heat loss through convection component
Close schematic diagram.
Icon: 100- heat loss through convection pipe；11- heat dissipation base tube；12- threeway heat exchanger tube；121- the first threeway heat exchanger tube；122-
Second threeway heat exchanger tube；123- first port；124- second port；125- third port；13- protrusion strengthens unit；200- can
Varying capacity heat loss through convection component；The first connection ring of 21-；The second connection ring of 22-；23- oil inlet pipe；24- flowline；300- variable capacity
Amount oil becomes radiator；31- fuel tank；The side 32- dust-proof guard；321- tilted cylindrical envelope shape ventilation hole；Dust-proof guard at the top of 33-；
331- flap type ventilation hole；The 4th connection ring of 34-.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings or this application product using when the orientation or positional relationship usually put, only
It is the application and simplified description for ease of description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
It is connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in this application can be understood with concrete condition.
Below with reference to figure description according to the heat loss through convection pipe 100 of the application first aspect embodiment.
As shown in Figure 1, according to the heat loss through convection pipe 100 of the embodiment of the present application, comprising: heat dissipation base tube 11, the first threeway are changed
Heat pipe 121 and the second threeway heat exchanger tube 122.
Specifically, heat dissipation base tube 11 is straight tube, the flowing for flow media；First threeway heat exchanger tube 121 and second
Threeway heat exchanger tube 122 is located at the both ends of heat dissipation base tube 11, carves on the tube wall of base tube 11 that radiates and cuts with discrete protrusion reinforcing
Unit 13 increases the heat dissipation area of heat dissipation base tube 11；The axial direction of extending direction and heat dissipation base tube 11 that protrusion strengthens unit 13 is put down
Row, so that protrusion strengthens unit 13 and is not easy dust accumulation；Each threeway heat exchanger tube 12 includes first port 123, second port 124 and the
The central axis of three ports 125, first port 123 is conllinear with the central axis of second port 124, the center of third port 125
The end of the central axis upright of axis and first port 123, heat dissipation base tube 11 is connected with third port 125；Both ends setting
Threeway heat exchanger tube 12 is connected to arbitrary port (general designation of first port 123 and second port 124) with heat dissipation base tube 11, has
There is assembling capacity, convenient for convection current of the flow media between the first threeway heat exchanger tube 121 and the second threeway heat exchanger tube 122.
According to the heat loss through convection pipe 100 of the embodiment of the present application, carved on the tube wall by the base tube 11 that radiates cut it is discrete convex
It rises and strengthens unit 13, increase the heat dissipation area of heat loss through convection pipe 100, meanwhile, protrusion strengthens the extending direction of unit 13 (with heat dissipation
Base tube 11 it is axial parallel) protrusion strengthen unit 13 to be not easy dust accumulation, there is preferable dust-proof effect relative to annular projection,
And convenient for cleaning；In addition, (the first threeway heat exchanger tube 121 and the two or three of threeway heat exchanger tube 12 of heat dissipation 11 both ends of base tube setting
The general designation of logical heat exchanger tube 122) arbitrary port (general designation of first port 123 and second port 124) connect with heat dissipation base tube 11
It is logical, there is assembling capacity, which may be implemented modularized production, small in size, convenient transport, using to wandering
The assembling capacity of heat pipe 100 can be spliced with another heat loss through convection pipe 100, realize the radiator structure of varying capacity, with suitable
Radiating requirements for different heat dissipation capacities.
According to some embodiments of the present application, heat dissipation base tube 11 is seamless straight tube structure, and the cross section of heat dissipation base tube 11 can
Think round, ellipse or rectangle, or polymorphic structure chooses the heat dissipation base tube of different cross sections according to actual needs
11.Correspondingly, the section of threeway heat exchanger tube 12 (general designation of the first threeway heat exchanger tube 121 and the second threeway heat exchanger tube 122, similarly hereinafter)
Match with the cross section of heat dissipation base tube 11, so as to the connection of threeway heat exchanger tube 12 and heat dissipation base tube 11.
Strengthen unit 13 (alternatively referred to as rib) as shown in Figure 1, carving on the tube wall of heat dissipation base tube 11 and cutting off scattered protrusion, increases
The heat dissipation area for having added heat dissipation base tube 11 improves the radiating efficiency of heat dissipation base tube 11.In addition, relative to the continuous type on ribbed pipe
Rib, protrusion strengthen unit 13 discrete distribution, increase heat dissipation area, improve heat dissipation effect.Protrusion strengthens unit 13
Distribution mode can be the parallelly distribute in the circumferential direction of heat dissipation base tube 11, or multiple row protrusion strengthens unit 13 and radiating
The circumferentially-spaced distribution of base tube 11 can also be distributed for random entanglement.It carves the protrusion cut out and strengthens unit 13 and heat dissipation
It does not need to weld between the tube wall of base tube 11, thus the contact for substantially reducing protrusion reinforcing unit 13 between the base tube 11 that radiates
Thermal resistance.
Optionally, it is that (along the circumferential direction of heat dissipation base tube 11, protrusion strengthens unit 13 to rectangular parallelepiped structure that protrusion, which strengthens unit 13,
Thickness is smaller, is easy to implement heat dissipation), it is easy to process, meanwhile, there is more heat dissipation area, convenient for improving heat dissipation base tube 11
Heat exchange.In the other embodiments of the application, protrusion, which strengthens unit 13, to be other structures form, only need to guarantee
With biggish heat dissipation area.
The connection type of threeway heat exchanger tube 12 and heat dissipation base tube 11 both can be integrally formed (such as threeway heat exchanger tube for the two
12 with heat dissipation 11 casting and forming of base tube etc.), both can also be that detachably connected (threeway heat exchanger tube 12 is with the base tube 11 that radiates
Independent component).
When threeway heat exchanger tube 12 and heat dissipation base tube 11 are integrally formed (as shown in Figure 1), guarantee the whole of heat loss through convection pipe 100
Body intensity makes it have longer service life.At this point, protrusion strengthens the outer tube wall that unit 13 is set to heat dissipation base tube 11, just
Strengthen cutting at quarter for unit 13 in realization protrusion.
When threeway heat exchanger tube 12 and detachably connected heat dissipation base tube 11 (as shown in Figure 2), protrusion is strengthened unit 13 and is set
It is placed in the inner tubal wall and/or outer tube wall of heat dissipation base tube 11, namely protrusion is strengthened unit 13 and both can be set in heat dissipation base tube 11
The inner tubal wall that can also be set to heat dissipation base tube 11 simultaneously in the outer tube wall of heat dissipation base tube 11 and outer also can be set in inner tubal wall
Tube wall.In order to guarantee the heat loss through convection effect of heat loss through convection pipe 100, the outer tube wall quarter of heat dissipation base tube 11 cuts with protrusion and strengthens unit
13, according to the connection type of threeway heat exchanger tube 12 and heat dissipation base tube 11, the inner tubal wall of heat dissipation base tube 11, which is optionally carved, cuts protrusion by force
Change unit 13.
As the optional way of the application, the inner peripheral surface of the third port 125 of threeway heat exchanger tube 12 is provided with internal screw thread, dissipates
The outer peripheral surface of the end of hot radical pipe 11 is provided with the external screw thread with screw-internal thread fit, as shown in Fig. 2, threeway heat exchanger tube 12 and heat dissipation
Base tube 11 is using threaded connection；The inner tubal wall and outer tube wall of heat dissipation base tube 11, which are carved, cuts with protrusion reinforcing unit 13.
Optionally, the outer peripheral surface of the first port 123 of threeway heat exchanger tube 12 and the outer peripheral surface of second port 124 are equipped with outer
Screw thread, convenient for realizing the splicing of two neighboring threeway heat exchanger tube 12 (heat loss through convection pipe 100) by joint outer part, to guarantee phase
The bonding strength of two heat loss through convection pipes 100 of connection；Externally threaded setting so that heat loss through convection pipe 100 have it is good can
Assembling.In the other embodiments of the application, the inner peripheral surface and second port of the first port 123 of threeway heat exchanger tube 12
Internal screw thread can also be arranged in 124 inner peripheral surface, and the threaded connection of two neighboring threeway heat exchanger tube 12 is realized using joint outer part；
In addition, the first port 123 and second port 124 of threeway heat exchanger tube 12 can also be shiny surface, two neighboring threeway heat exchanger tube
12 are connected by casing.
According to having the beneficial effect that for the heat loss through convection pipe 100 of the application first aspect embodiment
1, heat dissipation base tube 11 uses slender rectangular tube, cuts protrusion quarter on heat dissipation base tube 11 and strengthens unit 13, increases convection current
Heat exchange area, compared to enhanced heat exchanges devices such as H-type fin, ring rib fins, it is to carve to cut generation that discrete protrusion, which strengthens unit 13,
It does not need to weld between the tube wall of heat dissipation base tube 11, strengthen between unit 13 and heat dissipation base tube 11 to substantially reduce protrusion
Thermal contact resistance.
2, protrusion strengthens the extending direction of unit 13 and the axial direction of base tube 11 that radiates is identical (parallel), does not allow more compared to ring rib
Easy dust accumulation.
3, when the inner tubal wall quarter in the base tube 11 that radiates, which cuts protrusion, strengthens unit 13, discrete protrusion is flowed through in fluid and is strengthened
When unit 13, since protrusion strengthens the presence of unit 13, protrusion can be caused to strengthen 13 fluids of unit and accelerated, so that heat be thinned
Boundary layer.In addition, when protrusion strengthen 13 parameter of unit it is suitable when, fluid around discrete protrusion strengthen unit 13 after flowing can be
Protrusion forms Karman vortex street after strengthening unit 13, enhances flow-disturbing, improves the surface convection transfer rate of heat dissipation base tube 11.
4, using seamless pipe as heat dissipation base tube 11, resistance to compression and several times that leakage prevention capability is existing gilled radiator
Even tens times.
5,11 modularized design of heat loss through convection base tube, small in size, convenient transport have good assembling capacity.
Below with reference to figure description according to the variable capacity heat loss through convection component 200 of the application second aspect embodiment.
As shown in figure 3, according to the variable capacity heat loss through convection component 200 of the embodiment of the present application, comprising: multiple according to this Shen
Please first aspect embodiment heat loss through convection pipe 100, the first threeway heat exchanger tube 121 of two neighboring heat loss through convection pipe 100 passes through
For the connection of first connection ring 21 to form oil inlet pipe 23, the second threeway heat exchanger tube 122 of two neighboring heat loss through convection pipe 100 passes through the
Two connection rings 22 are connected to form flowline 24.
It should be noted that since multiple first threeway heat exchanger tubes 121 constitute oil inlet pipe 23, multiple second threeway heat exchanger tubes
122 constitute flowline 24, when the variable capacity heat loss through convection component 200 in use, one end of oil inlet pipe 23 and oil immersed type transformation
Device is connected to the fuel tank of radiator (referred to as oil becomes radiator herein), and the other end blocks, and oil inlet pipe 23 is located at the top of fuel tank, is used
In the high-temperature transformer oil for accepting fuel tank outflow；One end of flowline 24 is connected to the fuel tank that oil becomes radiator, and the other end blocks,
Flowline 24 is located at the lower section of fuel tank, for sending the transformer oil of low temperature back to fuel tank.
Specifically, when in use, multiple first threeway heat exchanger tubes 121 pass through the to the variable capacity heat loss through convection component 200
The fuel tank that the oil inlet pipe 23 that one connection ring 21 connects and composes is used to become with oil radiator is connected to, so that the high-temperature transformer in fuel tank
Oil enters heat dissipation base tube 11 via oil inlet pipe 23, and the first threeway heat exchanger tube 121 is used to accept transformer oil, while in transformer oil
Heat exchange is able to carry out when flowing through threeway heat exchanger tube 12, the transformer oil after temperature reduces flows to the second threeway heat exchanger tube 122；
Similarly, the flowline 24 that multiple second threeway heat exchanger tubes 122 are connected and composed by the second connection ring 22 is used to collect the change of low temperature
Depressor oil, and transformer oil is conveyed in oil return box.
Since heat loss through convection pipe 100 has assembling capacity, according to actual radiating requirements, variable capacity heat loss through convection component
200 may include the heat loss through convection pipe 100 of different number, so that the heat dissipation capacity of the variable capacity heat loss through convection component 200 can
With adjustment.
According to the variable capacity heat loss through convection component 200 of the embodiment of the present application, existing stationary type dispersed heat is changed
Radiator structure passes through connection ring (general designation of the first connection ring 21 and the second connection ring 22, the first connection ring 21 and the second connection ring
22 be identical structure) connection of realizing two neighboring heat loss through convection pipe 100, variable capacity pair can be realized according to the actual situation
The assembling of flow heat dissipation component 200 has preferable assembling flexibility, the radiating requirements suitable for different heat dissipation capacities.
According to some embodiments of the present application, the outer peripheral surface and second port 124 of the first port 123 of threeway heat exchanger tube 12
Outer peripheral surface be equipped with external screw thread, as shown in figure 4, the both ends of the first connection ring 21 be provided with external screw thread cooperation internal screw thread,
The both ends of second connection ring 22 are provided with the internal screw thread with external screw thread cooperation；First connection ring 21 and the first threeway heat exchanger tube 121
It is threadedly coupled, the both ends of the first connection ring 21 are connect with two the first threeway heat exchanger tubes 121 respectively, so that the two neighboring 1st
Logical heat exchanger tube 121 is connected to, so that two neighboring heat loss through convection pipe 100 is connected to；Second connection ring 22 and the second threeway heat exchanger tube 122
It is threadedly coupled, the both ends of the second connection ring 22 are connect with two the second threeway heat exchanger tubes 122 respectively, so that the two neighboring 2nd 3
Logical heat exchanger tube 122 is connected to, so that two neighboring heat loss through convection pipe 100 is connected to.
It should be pointed out that since the first threeway heat exchanger tube 121 and the second threeway heat exchanger tube 122 are identical structure, three
Logical heat exchanger tube 12 (general designation of the first threeway heat exchanger tube 121 and the second threeway heat exchanger tube 122) is modular construction, meanwhile, each
The first port 123 and second port 124 of threeway heat exchanger tube 12 are identical structure, for the ease of distinguishing, 123 He of first port
Second port 124 is referred to as transition port；First connection ring 21 and the second connection ring 22 are also identical structure, so that first connects
It connects ring 21 and the second connection ring 22 is modular construction, manufacture easy to process, in order to mutually distinguish with other connection rings, first is connected
Ring 21 and the second connection ring 22 are referred to as transition connection ring.When two neighboring heat loss through convection pipe 100 is connected, transition connection ring is first
It is threadedly coupled with the transition port of one of threeway heat exchanger tube 12, pre-installation is realized, then by another threeway heat exchanger tube 12
Cooperate with transition connection ring, the connection with two threeway heat exchanger tubes 12 is realized in the reversion of transition connection ring.The structure of transition connection ring
Form is easy to implement modularized production, improves assembly efficiency, convenient for completing the heat loss through convection of different number according to radiating requirements
The assembly of pipe 100.
Radiator 300 is become according to the variable capacity oil of the application third aspect embodiment below with reference to figure description.
As shown in figure 5, becoming radiator 300 according to the variable capacity oil of the embodiment of the present application, comprising: fuel tank 31, side are anti-
Dirt baffle 32 and multiple variable capacity heat loss through convection components 200 according to the application second aspect embodiment.
For fuel tank 31 for holding transformer and transformer oil, side dust-proof guard 32 is set to the side of fuel tank 31, multiple
Variable capacity heat loss through convection component 200 is arranged between side dust-proof guard 32 and fuel tank 31, one end of oil inlet pipe 23 and fuel tank
31 connections, the other end of oil inlet pipe 23 are blocked by side dust-proof guard 32；One end of flowline 24 is connected to fuel tank 31, flowline
24 other end is blocked by side dust-proof guard 32.After high-temperature transformer oil in fuel tank 31 enters oil inlet pipe 23, in oil inlet pipe
It flows and enters in heat dissipation base tube 11 in 23, carry out heat exchange while flowing in the base tube 11 that radiates, transformer oil is with stream
Dynamic to enter in flowline 24, at this point, the temperature of transformer oil is low relative to the temperature of the transformer oil in oil inlet pipe 23, low temperature becomes
Depressor oil stream oil return box 31, and recycled.
Transformer winding is immersed in transformer oil, and there are copper loss and iron loss to generate heat for winding, and heat is transmitted to attached at its first
Close transformer oil (hereinafter referred to as oily), increases the temperature of oil.The high oil volume of temperature increases, and density reduces, just to fuel tank
31 ionized motion moves to the oil stream on top through radiator, and temperature reduces after heat dissipation, and proper motion is added to hot oil by cold oil
Position originally.Because of the difference of oil temperature, the natural circulation of oil is produced.
Become radiator 300 according to the variable capacity oil of the embodiment of the present application, one end of oil inlet pipe 23 is connected to fuel tank 31, separately
One end is blocked by side dust-proof guard 32, and flowline 24 is similarly arranged, and transformer oil is entered from the top of fuel tank 31
Oil inlet pipe 23, and enter corresponding heat dissipation base tube 11 in, then in flowline 24 assemble jamming oil return box 31 lower section, realize change
The circulation cooling of depressor oil, increases heat dissipation path, improves heat dissipation effect, meanwhile, it can be according to the heat dissipation of different heat dissipation capacities
Demand chooses the heat loss through convection pipe 100 of different number；Cooperate side dust-proof radiating baffle, so that variable capacity heat loss through convection group
Part 200 is not easy dust accumulation, have preferable dust-proof effect, guarantee transformer using it is safe and improve transformer use the longevity
Life.
As shown in figure 5, side dust-proof guard 32 is set to the side of fuel tank 31, with multiple variable capacity heat loss through convection components
200 cooperations, for blocking multiple variable capacity heat loss through convection components 200 with the side dust-proof guard 32, prevent dust more
A variable capacity heat loss through convection component 200 is accumulated, to influence heat dissipation effect.
Set-up mode of multiple variable capacity heat loss through convection components 200 between fuel tank 31 and side dust-proof guard 32 can be with
It is a variety of, such as is arranged in parallel, is staggered.As the optional way of the application, as shown in figure 5, multiple variable capacity convection current
Radiating subassembly 200 is arranged in parallel, rationally using the space between side dust-proof guard 32 and fuel tank 31, so that multiple variable capacities
Heat exchange balance between heat loss through convection component 200, convenient for rationally heat dissipation.
Since fuel tank 31 generally uses conventional shape, such as cuboid, side dust-proof guard 32 corresponds to the side of fuel tank 31,
According to the demand of actual installation, the quantity of side dust-proof guard 32 can also be lacked with the quantity Matching of the side of fuel tank 31
In the side of fuel tank 31 (respective side of fuel tank 31 does not need installation radiating subassembly).It is vertically installed at the side of 31 surrounding of fuel tank
The gas flow channel of the chimney similar with fuel tank 31 wall surface composition of dust-proof guard 32 accelerates gas flow rate, improves heat dissipation effect.Side
Face dust-proof guard 32 can also effectively block solar radiation, and reducing summer sunlight influences 31 temperature rise of fuel tank.
According to some embodiments of the present application, side dust-proof guard 32 offers multiple tilted cylindrical envelope shape ventilation holes 321, inclines
The setting of oblique circular cylinder shape ventilation hole 321 increases the heat dissipation effect of variable capacity heat loss through convection component 200.
As shown in fig. 6, the central axis of tilted cylindrical envelope shape ventilation hole 321 favours side dust-proof guard 32, tilted cylindrical envelope
The inner end (close to one end of variable capacity heat loss through convection component 200) of shape ventilation hole 321 is higher than tilted cylindrical envelope shape ventilation hole 321
Outer end (one end far from variable capacity heat loss through convection component 200), so that dust is not easy to accumulate.
As shown in figure 5, position of the tilted cylindrical envelope shape ventilation hole 321 on side dust-proof guard 32 is higher, aperture is smaller, just
More cold air is aspirated in lower end in side dust-proof guard 32, accelerates 31 surface of fuel tank and variable capacity heat loss through convection component 200
Surface gas convection velocity guarantees there is preferable heat dissipation effect.
According to some embodiments of the present application, it further includes top dust-proof guard 33 that variable capacity oil, which becomes radiator 300, is such as schemed
Shown in 5 and Fig. 7, top dust-proof guard 33 is installed on the top of fuel tank 31, and top dust-proof guard 33 is equipped with multiple flap types
Ventilation hole 331.Top dust-proof guard 33 can both prevent dust accretions in the top of fuel tank 31, sunlight can also be prevented to fuel tank
31 temperature rises influence；The flap type ventilation hole 331 that top dust-proof guard 33 opens up does not interfere fuel tank 31 convenient for the flowing of air
The heat dissipation effect at top.Flap type ventilation hole 331, it can be understood as the ventilation hole disposed in parallel with occlusion effect, it is former
Similar shutter is managed, the convection current of air is can be realized, but dust is made to be not easy to drop down onto the top of fuel tank 31 via hole.
According to some embodiments of the present application, one end of oil inlet pipe 23 is threadedly coupled with fuel tank 31 by third connection ring,
The other end of oil inlet pipe 23 is threadedly coupled with side dust-proof guard 32 by the 4th connection ring 34；One end of flowline 24 and fuel tank
31 are threadedly coupled by the 5th connection ring, and the other end and side dust-proof guard 32 of flowline 24 are connected by the 6th connection ring screw thread
It connects.Oil inlet pipe 23 by the way of being threadedly coupled, is easy to implement the disassembly of oil inlet pipe 23 with fuel tank 31 and side dust-proof guard 32,
Improve assembly efficiency；Similarly, the assembly method of flowline 24, improves assembly efficiency.
Positioned at the port of the threeway heat exchanger tube 12 of the end of oil inlet pipe 23 outer peripheral surface be equipped with external screw thread (oil inlet pipe 23
The outer peripheral surface of the first port 123 of the threeway heat exchanger tube 12 at both ends and the outer peripheral surface of second port 124 are equipped with external screw thread), side
The inner surface of face dust-proof guard 32 is provided with tapped blind hole, and fuel tank 31 offers internal screw thread and (opens up on fuel tank 31 useful
In the mounting hole with oil inlet pipe 23 or flowline 24, mounting hole is threaded hole), one end of third connection ring is provided with to be changed with threeway
The internal screw thread of the external screw thread cooperation of heat pipe 12, the other end are provided with the external screw thread with the screw-internal thread fit of fuel tank 31；Such as Fig. 8 institute
Show, one end of the 4th connection ring 34 be provided with the external screw thread of threeway heat exchanger tube 12 cooperation internal screw thread, the other end be provided with
The external screw thread of the screw-internal thread fit of side dust-proof guard 32；One end of 5th connection ring is provided with the outer spiral shell with threeway heat exchanger tube 12
The internal screw thread of line cooperation, the other end are provided with the external screw thread with the screw-internal thread fit of fuel tank 31；One end of 6th connection ring is arranged
There is the internal screw thread with the cooperation of the external screw thread of threeway heat exchanger tube 12, the other end is provided with the screw-internal thread fit with side dust-proof guard 32
External screw thread.
It should be pointed out that above-mentioned all internal screw threads are the internal screw thread of same size, all external screw threads are same
The external screw thread of size, external screw thread energy and screw-internal thread fit.For the ease of fabricating, guaranteeing interchangeability, third connection ring,
Four connection rings 34, the 5th connection ring and the 6th connection ring are the connection ring of same specification, are referred to as assembly connection ring, are used for oil inlet
The connection of pipe 23 and flowline 24 and fuel tank 31 and side dust-proof guard 32, assembly connection ring have preferable interchangeability, are convenient for
Modular assembly improves the assembling capacity that variable capacity oil becomes radiator 300.
The assembly method for illustrating assembly connection ring by taking the assembly of oil inlet pipe 23 and side dust-proof guard 32 as an example, first by the 4th
Connection ring 34 is sheathed on the threeway heat exchanger tube 12 of the end of oil inlet pipe 23, and is tightened, then by the 4th connection ring 34 and side
Corresponding blind hole cooperation on dust-proof guard 32, reversely rotates the 4th connection ring 34, so that the 4th connection ring 34 is screwed in side dust-proof
In blind hole on baffle 32, the 4th connection ring 34 connects oil inlet pipe 23 and side dust-proof guard 32 (as shown in Figure 9) simultaneously at this time.
Become having the beneficial effect that for radiator 300 according to the variable capacity oil of the application third aspect embodiment
In transformer capacity difference, which becomes radiator 300 and passes through the heat loss through convection of assembling different number
Pipe 100, thus it is possible to vary heat spreader module is divided into multiple heat loss through convection element (heat loss through convection pipes 100 by the capacity of radiator
General designation), substantially increase the radiating efficiency of radiator, reduce variable capacity oil become radiator 300 production cost.
Dust-proof guard (general designation of side dust-proof guard 32 and top dust-proof guard 33) is mounted on surrounding and the top of fuel tank 31
Solar radiation can effectively be blocked in portion, and reducing summer sunlight influences transformer temperature rise.
The gas flow channel of the chimney similar with fuel tank 31 wall surface composition of side dust-proof guard 32, on side dust-proof guard 32
Tilted cylindrical envelope shape ventilation hole 321 from lower end to upper end, aperture is gradually reduced, and is aspirated more cold air from lower part, is accelerated fuel tank
The convection velocity of 200 surface gas of 31 surfaces and variable capacity heat loss through convection component improves heat dissipation effect.
It should be noted that in the absence of conflict, the feature in embodiment in the application can be combined with each other.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of heat loss through convection pipe, which is characterized in that including heat dissipation base tube, the first threeway heat exchanger tube and the second threeway heat exchanger tube,
The first threeway heat exchanger tube and the second threeway heat exchanger tube are located at the both ends of the heat dissipation base tube, the pipe of the heat dissipation base tube
It is carved on wall and cuts with discrete protrusion reinforcing unit, the axial direction of extending direction and the heat dissipation base tube that the protrusion strengthens unit is put down
Row, each threeway heat exchanger tube include first port, second port and third port, the central axis of the first port with it is described
The central axis of second port is conllinear, the central axis upright of the central axis of the third port and the first port, institute
The end for stating heat dissipation base tube is connected with the third port.
2. heat loss through convection pipe according to claim 1, which is characterized in that the outer peripheral surface of the first port and described second
The outer peripheral surface of port is equipped with external screw thread.
3. heat loss through convection pipe according to claim 1, which is characterized in that the protrusion strengthens unit and is set to the heat dissipation
The inner tubal wall and/or outer tube wall of base tube.
4. a kind of variable capacity heat loss through convection component, which is characterized in that including multiple described in any item convection current of claim 1-3
First threeway heat exchanger tube of heat-dissipating pipe, two neighboring heat loss through convection pipe is connected by the first connection ring to form oil inlet pipe, adjacent
Second threeway heat exchanger tube of two heat loss through convection pipes is connected by the second connection ring to form flowline.
5. variable capacity heat loss through convection component according to claim 4, which is characterized in that the outer peripheral surface of the first port
It is equipped with external screw thread with the outer peripheral surface of the second port, the both ends of first connection ring are provided with to be cooperated with the external screw thread
Internal screw thread, the both ends of second connection ring be provided with the external screw thread cooperation internal screw thread, first connection ring with
The first threeway heat exchanger tube is threadedly coupled, and second connection ring is threadedly coupled with the second threeway heat exchanger tube.
6. a kind of variable capacity oil becomes radiator, which is characterized in that including fuel tank, side dust-proof guard and multiple claim 4-
5 described in any item variable capacity heat loss through convection components, the side dust-proof guard are set to the side of the fuel tank, Duo Gesuo
State variable capacity heat loss through convection component be arranged between the side dust-proof guard and the fuel tank, one end of the oil inlet pipe with
The fuel tank connection, the other end are blocked by the side dust-proof guard；One end of the flowline is connected to the fuel tank, another
End is blocked by the side dust-proof guard.
7. variable capacity oil according to claim 6 becomes radiator, which is characterized in that the side dust-proof guard offers
Multiple tilted cylindrical envelope shape ventilation holes, the central axis of the tilted cylindrical envelope shape ventilation hole favour the side dust-proof guard, institute
The inner end for stating tilted cylindrical envelope shape ventilation hole is higher than the outer end of the tilted cylindrical envelope shape ventilation hole, and the tilted cylindrical envelope shape ventilation hole exists
Position on the side dust-proof guard is higher, and aperture is smaller.
8. variable capacity oil according to claim 6 becomes radiator, which is characterized in that the variable capacity oil becomes radiator
It further include top dust-proof guard, the top dust-proof guard is installed on the top of the fuel tank, sets on the top dust-proof guard
There are multiple flap type ventilation holes.
9. variable capacity oil according to claim 6 becomes radiator, which is characterized in that one end of the oil inlet pipe with it is described
Fuel tank is threadedly coupled by third connection ring, and the other end is threadedly coupled with the side dust-proof guard by the 4th connection ring；Institute
The one end for stating flowline is threadedly coupled with the fuel tank by the 5th connection ring, and the other end and the side dust-proof guard pass through the
Six connection rings are threadedly coupled.
10. variable capacity oil according to claim 9 becomes radiator, which is characterized in that positioned at the end of the oil inlet pipe
Threeway heat exchanger tube port outer peripheral surface be equipped with external screw thread, the inner surface of the side dust-proof guard be provided with band internal screw thread
Blind hole, the fuel tank offers internal screw thread, and one end of the third connection ring is provided with the outer spiral shell with the threeway heat exchanger tube
The internal screw thread of line cooperation, the other end are provided with the external screw thread with the screw-internal thread fit of the fuel tank；The one of 4th connection ring
End is provided with the internal screw thread with the cooperation of the external screw thread of the threeway heat exchanger tube, and the other end is provided with and the side dust-proof guard
The external screw thread of screw-internal thread fit；One end of 5th connection ring be provided with the external screw thread of the threeway heat exchanger tube cooperation in
Screw thread, the other end are provided with the external screw thread with the screw-internal thread fit of the fuel tank；One end of 6th connection ring be provided with
The internal screw thread of the external screw thread cooperation of the threeway heat exchanger tube, the other end are provided with the screw-internal thread fit with the side dust-proof guard
External screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827669.0A CN110491641A (en) | 2019-09-03 | 2019-09-03 | Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827669.0A CN110491641A (en) | 2019-09-03 | 2019-09-03 | Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator |
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| CN110491641A true CN110491641A (en) | 2019-11-22 |
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| CN201910827669.0A Pending CN110491641A (en) | 2019-09-03 | 2019-09-03 | Heat loss through convection pipe, variable capacity heat loss through convection component and oil become radiator |
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Application publication date: 20191122 |