CN209431057U - A kind of tube type oil cooler - Google Patents

Abstract

The utility model relates to a kind of tube type oil coolers, including inner housing, lower header, upper water box and casing assembly, lower header top end face is mutually fixedly connected by lower flange with inner housing bottom face, and upper water box bottom face is mutually fixedly connected by upper flange with inner housing top end face；At least one interior heat transfer device is axially arranged on the inside of inner housing；It is axial on the outside of inner housing, set of heat exchange tubes has been correspondingly connected between lower header and upper water box；Lower header side is equipped with water inlet, and upper water box side is equipped with water outlet；The periphery of set of heat exchange tubes is arranged in casing assembly, and is spaced the setting of set of heat exchange tubes certain distance；The inner wall of inner housing is close in interior heat transfer device outer ring, and interior heat transfer device inner ring extends inwardly a large amount of thermally conductive sheets, thermally conductive sheet from outside to inside gradually it is thinning and it is external be smoothly connected with interior heat transfer device inner ring, thermally conductive sheet extends largely tiny second level thermally conductive sheets to two sides again；Effective contact area of oil liquid and heat transfer device is greatly increased, realizes that the oil liquid heat in inner casing transmits rapidly.

Description

A kind of tube type oil cooler

Technical field

The utility model relates to oil cooler technical field, more particularly to a kind of tube type oil cooler.

Background technique

Turbine LP rotors operate normally, and a part of function are consumed due to bearing friction, to make the lubrication of bearing Oil temperature increases；If the too high bearing of oil temperature is likely to occur softening, deformation or burning damage accident.It usually requires that and enters bearing oil temperature At 35-45 DEG C, and the oil extraction temperature rise of general bearing is generally 10~15 DEG C；In order to keep lubricating oil temperature in a certain range, Guarantee that bearing operates normally, thus can just be re-circulated into bearing lubrication after the oil cooling that bearing must be ejected.Cold oil Device is exactly cooling host lubricating oil and the device that sets.The cooling water of the higher lubricating oil of temperature and low temperature carries out in oil cooler Heat exchange achievees the purpose that control lubricating oil temperature by adjusting cooling water flow.Current oil cooler is all board-like cold oil Device obtains certain effect in terms of protecting bearing service life；Since the heat transfer efficiency of board-like oil cooler is low, oily resistance is big, institute It can be only achieved corresponding oil temperature to increase board-like oil cooler volume, also increase the production cost of oil cooler in this way.Therefore, Oil cooler heat transfer efficiency height how is improved, the resistance of oil cooler oil how is reduced, how to have reduced the problems such as production cost of oil cooler As the hot spot studied in industry.

Oil cooler mainly has finned and two kinds of oil coolers of tube-sheet type currently on the market, since finned oil cooler is easily tied Dirt, not easy cleaning, after mostly use tube-sheet type oil cooler to substitute.But when tube sheet oil cooler temperature increases, often effect is not achieved in cooling Fruit, cooling amplitude is smaller, cannot reach the requirement of operating condition normal operation, while tube-sheet type oil cooler is when inside and outside differential pressure is big, It there is also pipe spalling, the problems such as leakage, a kind of tubular type oil cooler disclosed in the patent No. 201220478253.6 passes through folding Flowing plate misconstruction improves its heat transfer efficiency, but baffle plate dislocation normally cannot make oil circuit advance once in a while, and efficiency is lower； Pipe oil cooler disclosed in the patent No. 201520506277.1, uses two-layer piping structure, and embedded fin mode combines special Different fin punching structure effectively improves the contact area between fin and pipeline, but double-layer structure makes cost significantly It improves.

Utility model content

The utility model provides a kind of tube type oil cooler, and oil cooler heat transfer efficiency is low in the prior art for solution, cost High problem.

The technical solution that the utility model solves above-mentioned technical problem is as follows: including inner housing, lower header, upper water box and outer Shell component, lower header top end face are mutually fixedly connected by lower flange with inner housing bottom face, and upper water box bottom face passes through upper flange It is mutually fixedly connected with inner housing top end face；At least one interior heat transfer device is axially arranged on the inside of inner housing；It is axial on the outside of inner housing, under Be correspondingly connected with set of heat exchange tubes between water tank and upper water box, set of heat exchange tubes by equally distributed a large amount of set of heat exchange tubes at；Lower header Side is equipped with water inlet, and upper water box side is equipped with water outlet；The periphery of set of heat exchange tubes is arranged in casing assembly, and is spaced heat exchanger tube Group certain distance setting, casing assembly lower part are equipped at least one air inlet, and casing assembly top is equipped at least one gas outlet； The inner wall of inner housing is close in interior heat transfer device outer ring, and interior heat transfer device inner ring extends inwardly a large amount of thermally conductive sheets, and thermally conductive sheet is from outside to inside Gradually it is thinning and it is external be smoothly connected with interior heat transfer device inner ring, it is thermally conductive that thermally conductive sheet extends a large amount of tiny second levels to two sides again Piece.

The beneficial effects of the utility model are: the heat transfer device in the inside of inner housing is arranged, interior heat transfer device inner ring inwardly prolong Stretch out a large amount of thermally conductive sheets, thermally conductive sheet from outside to inside gradually it is thinning and it is external be smoothly connected with interior heat transfer device inner ring, thermally conductive sheet again to A large amount of tiny second level thermally conductive sheets are extended in two sides, effective contact area of oil liquid and heat transfer device are greatly increased, by oil liquid Heat passes to heat exchanger tube by interior heat transfer device and inner housing inner wall, realizes that the oil liquid heat in inner casing transmits rapidly, heat transfer effect Fruit is good.

Based on the above technical solution, the utility model can also do following improvement:

Further, interior heat transfer device quantity is four, it is placed equidistant between each other.

The beneficial effect of above-mentioned further scheme is: interior heat transfer device quantity is four, is placed equidistant between each other, adjacent two Region between interior heat transfer device, fluid layer carry out heat exchange, and solution occurs that partial region is cooling fast, and partial region is cooling slow Problem effectively improves the cooling efficiency of cooler.

Further, interior heat transfer device is aluminum alloy materials production.

The beneficial effect of above-mentioned further scheme is: aluminum alloy materials have thermal conductance good, light weight, corrosion resistant spy Point can mitigate weight while meeting thermally conductive demand.

Further, casing assembly includes shell right part and shell left part, shell right part upper and lower ends respectively with inner housing Upper lower flange is connected, and shell right part is connected with the common end face in one end of shell left part using hinge, shell right part and shell Another common end face of left part is connected using hasp.

The beneficial effect of above-mentioned further scheme is: casing assembly is detachable, convenient for assembling maintenance.

Further, tube type oil cooler further includes outer heat transfer device, outer heat transfer device is set between inner housing and set of heat exchange tubes, Outer heat transfer device is connected in the outer wall of inner housing, and outer heat transfer device inner wall is close to the outer wall of inner housing, and outer heat transfer device outer ring correspondence is changed The clamp ring for clamping heat exchanger tube is extended in heat pipe position, and clamp ring gradually thickens from outside to inside.

The beneficial effect of above-mentioned further scheme is: outer heat transfer device extends the clamp ring for clamping heat exchanger tube, improves Contact area, structure that clamp ring gradually thickens from outside to inside are conducive to transmit heat to heat exchanger tube, improve transmission efficiency.

Further, outer heat transfer device is aluminum alloy materials production.

The beneficial effect of above-mentioned further scheme is: aluminum alloy materials have thermal conductance good, light weight, corrosion resistant spy Point can mitigate weight while meeting thermally conductive demand.

Further, air inlet and air outlet are a large amount of, and gas outlet is connected with exhaust fan.

The beneficial effect of above-mentioned further scheme is: gas outlet is connected with exhaust fan, can be by the heat on the outside of heat-dissipating pipe Amount is sucked out, and enhances heat dissipation effect.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of tube type oil cooler；

Fig. 2 is that a kind of tube type oil cooler removes the structural schematic diagram after shell left part；

Fig. 3 is the Section A-A cross section view in Fig. 2；

Fig. 4 is the partial enlarged view in Fig. 3 at B.

In attached drawing, parts list represented by the reference numerals are as follows:

1, inner housing, 11, oil inlet, 12, oil outlet, 2, lower header, 21, water inlet, 22, lower flange, 3, upper water box, 31, water outlet, 32, upper flange, 4, casing assembly, 401, air inlet, 402, gas outlet, 41, shell right part, 42, shell left part, 5, interior heat transfer device, 51, thermally conductive sheet, 6, outer heat transfer device, 61, clamp ring, 7, set of heat exchange tubes.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

Embodiment 1:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of tube type oil cooler, including inner housing 1, lower header 2,3 and of upper water box Casing assembly 4；2 top end face of lower header is mutually fixedly connected by lower flange 22 with 1 bottom face of inner housing, and 3 bottom face of upper water box is logical Upper flange 32 is crossed mutually to be fixedly connected with 1 top end face of inner housing；1 inside of inner housing is axial, is equipped with heat transfer device 5 at least one, inner casing 1 outside of body is axial, set of heat exchange tubes 7 has been correspondingly connected between lower header 2 and upper water box 3, set of heat exchange tubes 7 is by equally distributed a large amount of Set of heat exchange tubes is at 2 side of lower header is equipped with water inlet 21, and 3 side of upper water box is equipped with water outlet 31；The setting of casing assembly 4 is being changed The periphery of heat pipe heat 7, and it is spaced 7 certain distance of set of heat exchange tubes.4 lower part of casing assembly is equipped at least one air inlet 401, shell 4 top of component is equipped at least one gas outlet 402.

The inner wall of inner housing 1 is close in interior 5 outer ring of heat transfer device, and interior 5 inner ring of heat transfer device extends inwardly a large amount of thermally conductive sheets 51, leads Backing 51 is gradually thinning from outside to inside and external is smoothly connected with interior 5 inner ring of heat transfer device.

In the present embodiment, thermally conductive sheet 51 continues to stretch out second level thermally conductive sheet to two sides, so that thermal conductivity is good, interior heat transfer device makes With the good material production of thermal conductivity, so that heat transfer efficiency is more preferable, aluminum alloy materials, interior heat transfer device 5 etc. are may be selected in outer heat transfer device 6 Away from distribution and quantity preferably 4.

Embodiment 2:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of tube type oil cooler, including inner housing 1, lower header 2,3 and of upper water box Casing assembly 4；2 top end face of lower header is mutually fixedly connected by lower flange 22 with 1 bottom face of inner housing, and 3 bottom face of upper water box is logical Upper flange 32 is crossed mutually to be fixedly connected with 1 top end face of inner housing；1 inside of inner housing is axial, is equipped with heat transfer device 5 at least one, inner casing 1 outside of body is axial, set of heat exchange tubes 7 has been correspondingly connected between lower header 2 and upper water box 3, set of heat exchange tubes 7 is by equally distributed a large amount of Set of heat exchange tubes is at 2 side of lower header is equipped with water inlet 21, and 3 side of upper water box is equipped with water outlet 31；The setting of casing assembly 4 is being changed The periphery of heat pipe heat 7, and it is spaced 7 certain distance of set of heat exchange tubes.4 lower part of casing assembly is equipped at least one air inlet 401, shell 4 top of component is equipped at least one gas outlet 402.

The inner wall of inner housing 1 is close in interior 5 outer ring of heat transfer device, and interior 5 inner ring of heat transfer device extends inwardly a large amount of thermally conductive sheets 51, leads Backing 51 is gradually thinning from outside to inside and external is smoothly connected with interior 5 inner ring of heat transfer device.

Thermally conductive sheet 51 continues to stretch out second level thermally conductive sheet to two sides, so that thermal conductivity is good, interior heat transfer device is good using thermal conductivity Good material production, so that heat transfer efficiency is more preferable, aluminum alloy materials are may be selected in outer heat transfer device 6, and interior heat transfer device 5 is equally spaced and counts Amount preferably 4.

Casing assembly 4 include shell right part 41 and shell left part 42,41 upper and lower ends of shell right part respectively with inner housing 1 Upper lower flange is connected, and shell right part 41 is connected with a certain common end face of shell left part 42 using hinge, shell right part 41 It is connected with another common end face of shell left part 42 using hasp, so that convenient disassembly.

Embodiment 3:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of tube type oil cooler, including inner housing 1, lower header 2,3 and of upper water box Casing assembly 4；2 top end face of lower header is mutually fixedly connected by lower flange 22 with 1 bottom face of inner housing, and 3 bottom face of upper water box is logical Upper flange 32 is crossed mutually to be fixedly connected with 1 top end face of inner housing；1 inside of inner housing is axial, is equipped with heat transfer device 5 at least one, inner casing 1 outside of body is axial, set of heat exchange tubes 7 has been correspondingly connected between lower header 2 and upper water box 3, set of heat exchange tubes 7 is by equally distributed a large amount of Set of heat exchange tubes is at 2 side of lower header is equipped with water inlet 21, and 3 side of upper water box is equipped with water outlet 31；The setting of casing assembly 4 is being changed The periphery of heat pipe heat 7, and it is spaced 7 certain distance of set of heat exchange tubes.4 lower part of casing assembly is equipped at least one air inlet 401, shell 4 top of component is equipped at least one gas outlet 402.

The inner wall of inner housing 1 is close in interior 5 outer ring of heat transfer device, and interior 5 inner ring of heat transfer device extends inwardly a large amount of thermally conductive sheets 51, leads Backing 51 is gradually thinning from outside to inside and external is smoothly connected with interior 5 inner ring of heat transfer device.

Thermally conductive sheet 51 continues to stretch out second level thermally conductive sheet to two sides, so that thermal conductivity is good, interior heat transfer device is good using thermal conductivity Good material production, so that heat transfer efficiency is more preferable, aluminum alloy materials are may be selected in outer heat transfer device 6, and interior heat transfer device 5 is equally spaced and counts Amount preferably 4.

Casing assembly 4 include shell right part 41 and shell left part 42,41 upper and lower ends of shell right part respectively with inner housing 1 Upper lower flange is connected, and shell right part 41 is connected with a certain common end face of shell left part 42 using hinge, shell right part 41 It is connected with another common end face of shell left part 42 using hasp, so that convenient disassembly.

Shell right part 41 and shell left part 42 are equipped with multiple air inlets 401 and multiple gas outlets 402, for distributing heat Amount, further, multiple gas outlets 402 are connected with exhaust fan, and heat dissipation effect is more preferable.

In the present embodiment, tube type oil cooler further includes outer heat transfer device 6, and outer heat transfer device 6 is set to the inner housing 1 and changes Between heat pipe heat 7, outer heat transfer device 6 is connected in the outer wall of inner housing 1, and 6 inner wall of outer heat transfer device is close to the outer wall of inner housing 1, outside 6 outer ring of heat transfer device corresponds to heat exchanger tube position and extends clamp ring 61 for clamping heat exchanger tube, and clamp ring 61 is from outside to inside gradually Become larger, junction product becomes larger, and heat-conducting effect is more preferable, and outer heat transfer device 6 is made using the good material of thermal conductivity, so that heat transfer efficiency is more Good, thermally conductive good aluminum alloy materials production can be used in outer heat transfer device 6.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (7)

1. a kind of tube type oil cooler, which is characterized in that including inner housing (1), lower header (2), upper water box (3) and casing assembly (4), lower header (2) top end face is mutually fixedly connected by lower flange (22) with the inner housing (1) bottom face, the upper water Case (3) bottom face is mutually fixedly connected by upper flange (32) with the inner housing (1) top end face；Inner housing (1) inner shafts To equipped with heat transfer device (5) at least one；It is axial on the outside of the inner housing (1), between the lower header (2) and upper water box (3) Be correspondingly connected with set of heat exchange tubes (7), the set of heat exchange tubes (7) by equally distributed a large amount of set of heat exchange tubes at；The lower header (2) Side is equipped with water inlet (21), and upper water box (3) side is equipped with water outlet (31)；The casing assembly (4) is arranged described The periphery of set of heat exchange tubes (7), and it is spaced set of heat exchange tubes (7) the certain distance setting, casing assembly (4) lower part is equipped with extremely A few air inlet (401), casing assembly (4) top are equipped at least one gas outlet (402)；The interior heat transfer device (5) The inner wall of the inner housing (1) is close in outer ring, and interior heat transfer device (5) inner ring extends inwardly a large amount of thermally conductive sheets (51), described Thermally conductive sheet (51) from outside to inside gradually it is thinning and it is external be smoothly connected with interior heat transfer device (5) inner ring, the thermally conductive sheet (51) again to Extend a large amount of tiny second level thermally conductive sheets in two sides.

2. a kind of tube type oil cooler according to claim 1, which is characterized in that interior heat transfer device (5) quantity is four, It is placed equidistant between each other.

3. a kind of tube type oil cooler according to claim 1, which is characterized in that the interior heat transfer device (5) is aluminium alloy material Material production.

4. a kind of tube type oil cooler according to claim 1, which is characterized in that the casing assembly (4) includes the shell right side Portion (41) and shell left part (42), shell right part (41) upper and lower ends respectively with the upper lower flange phase of the inner housing (1) Connection, the shell right part (41) are connected with the common end face in one end of shell left part (42) using hinge, the shell right part (41) it is connected with another common end face of shell left part (42) using hasp.

5. a kind of tube type oil cooler according to claim 1, which is characterized in that the tube type oil cooler further includes outer leads Hot device (6), the outer heat transfer device (6) are set between the inner housing (1) and set of heat exchange tubes (7), outer heat transfer device (6) card It is connected to the outer wall of inner housing (1), and outer heat transfer device (6) inner wall is close to the outer wall of the inner housing (1), the outer heat transfer device (6) outer ring corresponds to heat exchanger tube position and extends clamp ring (61) for clamping heat exchanger tube, and the clamp ring (61) is from outside to inside Gradually thicken.

6. a kind of tube type oil cooler according to claim 5, which is characterized in that the outer heat transfer device (6) is aluminium alloy material Material production.

7. according to claim 1 to a kind of any one of 6 tube type oil coolers, which is characterized in that the air inlet (401) and Gas outlet (402) is multiple, and multiple gas outlets (402) are connected with exhaust fan.