CN205154815U - Hydraulic oil heat transfer structure - Google Patents
Hydraulic oil heat transfer structure Download PDFInfo
- Publication number
- CN205154815U CN205154815U CN201520993381.8U CN201520993381U CN205154815U CN 205154815 U CN205154815 U CN 205154815U CN 201520993381 U CN201520993381 U CN 201520993381U CN 205154815 U CN205154815 U CN 205154815U
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- CN
- China
- Prior art keywords
- hydraulic oil
- heat exchange
- heat exchanging
- exchanging tube
- exchange tube
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Abstract
The utility model discloses a hydraulic oil heat transfer structure, place the heat exchange tube in the casing including casing and crooked folding, the casing with one side be provided with respectively with inlet, the liquid outlet of heat exchange tube both ends intercommunication the opposite side of casing is equipped with rather than the cold liquid import of inside intercommunication, cold liquid export the heat exchange tube is equipped with annular protruding portion on being close to the one end inner wall of liquid outlet direction, just is in the both ends of protruding portion are equipped with the cross -section for circular -arc changeover portion, still include the division board of a plurality of settings on the wall of casing both sides, the division board is located in the crooked U -shaped region that forms of heat exchange tube. Be provided with a cross -section for circular -arc changeover portion at the both ends of protruding portion, make hydraulic oil slow down in the back gently flows in the protruding portion at suddenly, play a guiding effect to hydraulic oil simultaneously, guide promptly in hydraulic oil directly enters into the protruding portion by the heat exchange tube, avoid hydraulic oil at the heat exchange tube formation vortex and obstruct its normal circulation.
Description
Technical field
The utility model relates to a kind of hydraulic equipment, specifically refers to a kind of hydraulic oil heat exchange structure.
Background technique
Be provided with oil cooler in automatic speed changing vehicle, for cooling the engine motor oil in torque-converters or power transmission system, carry out heat exchange with the engine cooling water in cooler after high temperature oil enters cooler, and then machine oil is cooled.During traditional radiator work, can be excessive thus damage is caused to radiator due to the instantaneous pressure of the machine oil flowed out in closed type hydraulic system, affect the normal work of radiator.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic oil heat exchange structure, avoids the instantaneous pressure of the machine oil flowed out in closed type hydraulic system excessive thus causes damage to radiator.
The purpose of this utility model is achieved through the following technical solutions:
A kind of hydraulic oil heat exchange structure, comprise housing and bending fold and be placed on heat exchanging tube in housing, the liquid entering hole be communicated with heat exchanging tube two ends is respectively provided with in the same side of housing, liquid outlet, the cold liquid import that be communicated with inner with it is provided with at the opposite side of described housing, cold liquid outlet, on one end inwall in liquid outlet direction, the protuberance of annular is provided with at described heat exchanging tube, and be provided with at the two ends of described protuberance the changeover portion that cross section is arc-shaped, also comprise multiple isolating plate be arranged on housing two side, described isolating plate is positioned at the U-shaped region that described heat exchanging tube is bent to form.When the utility model uses, cooling liquid is led to supercooled liquid import and is entered into enclosure interior, when filling cooling liquid in housing, hydraulic oil flows in heat exchanging tube by liquid entering hole, by the heat exchange operation of cooling liquid in heat exchanging tube and housing, the temperature of hydraulic oil is reduced fast, then discharged by liquid outlet, use with the cool cycles that this completes hydraulic oil.When hydraulic oil cooling closes to an end, hydraulic oil flows fast in heat exchanging tube, when being flowed out by liquid outlet, swiftly flowing hydraulic oil can cause larger impact to hydraulic oil delivery pipe, and then causes occurring in whole cool cycles pipeline that local pressure is concentrated and occurs breaking, and namely occurs oil leakage phenomenon; In the utility model, before hydraulic oil flows out liquid outlet, the inwall of heat exchanging tube is provided with the protuberance of annular, the circulation path size of hydraulic oil is diminished, and the hydraulic oil of high-speed motion is subject to certain obstruction, and its flowing velocity is slowed down suddenly, and by protuberance slow down effect after, hydraulic oil then flows out liquid outlet with a relative flow velocity slowly, and namely realize reducing hydraulic oil to the impact of cool cycles pipeline, to prevent, cool cycles pipeline is impaired to break.And, being provided with a cross section at the two ends of protuberance is the changeover portion of arc-shaped, hydraulic oil is gently flowed in protuberance after abrupt deceleration, a guide function is played to hydraulic oil simultaneously, namely guide hydraulic oil directly to be entered in protuberance by heat exchanging tube, avoid hydraulic oil form eddy current at heat exchanging tube and hinder it normally to circulate.
Wherein, heat exchanging tube bending fold forms multiple flat segments and bending section, and the multiple thermal baffles arranged make mutually isolated between multiple flat segments of heat exchanging tube and bending section opening, cooling liquid it is carried out cold go cooling time can carry out gravity cascade system, namely the high-temperature liquid force feed be introduced in heat exchanging tube carries out cooling to a certain degree in its independently cooled region, and this cooled region is just to cold liquid import, and then realize the maximum heat exchange efficiency of this cooled region, hydraulic oil continues circulation and enters next bending section or flat segments, hydraulic fluid temperature now tapers off state, and corresponding coolant temperature is in increasing progressively state, until the end that hydraulic oil moves to heat exchanging tube is discharged by liquid outlet, increase in temperature cooling liquid to a certain extent is then exported by cold liquid and discharges, namely the cooling step by step of hydraulic oil is realized, heat simultaneously in each cooled region can not seal in mutually, realize the best heat exchange efficiency of hydraulic oil in housing.
Described heat exchanging tube is fin tube.As preferably, select fin tube as heat exchanging tube, utilize outstanding multiple fins on fin tube to increase the area of contact of cooling liquid in heat exchanging tube and housing, realize the maximal efficiency of heat exchange between hydraulic oil and cooling liquid, the cool time of shortening hydraulic oil.
The internal diameter of described protuberance is 1/3rd of described heat exchanging tube internal diameter.The internal diameter of protuberance is less than the internal diameter of heat exchanging tube, ensureing the normal circulation of hydraulic oil under being unlikely to the prerequisite forming blocking, the internal diameter size of protuberance is set to 1/3rd of heat exchanging tube internal diameter size, makes the reduced velocity flow of hydraulic oil and the impact that can not be formed cool cycles pipeline.
Described isolating plate is XPS extruded sheet.As preferably, XPS extruded sheet has high thermal resistance, low linear, feature that expansion ratio is low, the rate of closed hole of its structure reaches more than 99%, form vacuum layer, avoid air to flow to dispel the heat, the lasting and stable of its thermal insulation property can be guaranteed, therefore, in the process that hydraulic oil is lowered the temperature step by step, improve heat insulation effect and the heat isolation effect of isolating plate further.
The utility model compared with prior art, has following advantage and beneficial effect:
1, the utility model is provided with a cross section at the two ends of protuberance is the changeover portion of arc-shaped, hydraulic oil is gently flowed in protuberance after abrupt deceleration, a guide function is played to hydraulic oil simultaneously, namely guide hydraulic oil directly to be entered in protuberance by heat exchanging tube, avoid hydraulic oil form eddy current at heat exchanging tube and hinder it normally to circulate;
2, the utility model selects fin tube as heat exchanging tube, utilize outstanding multiple fins on fin tube to increase the area of contact of cooling liquid in heat exchanging tube and housing, realize the maximal efficiency of heat exchange between hydraulic oil and cooling liquid, shorten the cool time of hydraulic oil;
3, in the utility model, the internal diameter of protuberance is less than the internal diameter of heat exchanging tube, ensureing the normal circulation of hydraulic oil under being unlikely to the prerequisite forming blocking, the internal diameter size of protuberance is set to 1/3rd of heat exchanging tube internal diameter size, makes the reduced velocity flow of hydraulic oil and the impact that can not be formed cool cycles pipeline.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged view at A place in Fig. 1;
Mark and corresponding component title in accompanying drawing:
1-liquid entering hole, 2-liquid outlet, 3-heat exchanging tube, 31-changeover portion, 32-protuberance, 4-housing, the import of 5-cold liquid, the cold liquid outlet of 6-, 7-isolating plate.
Embodiment
Clearly understand for making the purpose of this utility model, technological scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises housing 4 and bending fold and is placed on heat exchanging tube 3 in housing 4, the liquid entering hole 1 be communicated with heat exchanging tube 3 two ends is respectively provided with in the same side of housing 4, liquid outlet 2, the cold liquid import 5 that be communicated with inner with it is provided with at the opposite side of described housing 4, cold liquid outlet 6, on one end inwall in liquid outlet 2 direction, the protuberance 32 of annular is provided with at described heat exchanging tube 3, and be provided with at the two ends of described protuberance 32 changeover portion 31 that cross section is arc-shaped, also comprise multiple isolating plate 7 be arranged on housing 4 two side, described isolating plate 7 is positioned at the U-shaped region that described heat exchanging tube 3 is bent to form.
During use, cooling liquid is led to supercooled liquid import 5 and is entered into housing 4 inside, when filling cooling liquid in housing, hydraulic oil flows in heat exchanging tube 3 by liquid entering hole 1, by the heat exchange operation of heat exchanging tube 3 with cooling liquid in housing, the temperature of hydraulic oil is reduced fast, then discharged by liquid outlet 2, use with the cool cycles that this completes hydraulic oil.When hydraulic oil cooling closes to an end, hydraulic oil is flowing fast in heat exchanging tube 3, when being flowed out by liquid outlet 2, swiftly flowing hydraulic oil can cause larger impact to hydraulic oil delivery pipe, and then cause in whole cool cycles pipeline, occurring that local pressure is concentrated and occurs breaking, namely there is oil leakage phenomenon; In the utility model, before hydraulic oil flows out liquid outlet 2, the inwall of heat exchanging tube 3 is provided with the protuberance 32 of annular, the circulation path size of hydraulic oil is diminished, and the hydraulic oil of high-speed motion is subject to certain obstruction, and its flowing velocity is slowed down suddenly, and by protuberance 32 slow down effect after, hydraulic oil then flows out liquid outlet 2 with a relative flow velocity slowly, and namely realize reducing hydraulic oil to the impact of cool cycles pipeline, to prevent, cool cycles pipeline is impaired to break.And, the changeover portion 31 that a cross section is arc-shaped is provided with at the two ends of protuberance 32, hydraulic oil is gently flowed in protuberance 32 after abrupt deceleration, a guide function is played to hydraulic oil simultaneously, namely guide hydraulic oil directly to be entered in protuberance 32 by heat exchanging tube 3, avoid hydraulic oil form eddy current at heat exchanging tube 3 and hinder it normally to circulate.
Wherein, heat exchanging tube 3 bending fold forms multiple flat segments and bending section, and the multiple thermal baffles 7 arranged make mutually isolated between multiple flat segments of heat exchanging tube 3 and bending section opening, cooling liquid it is carried out cold go cooling time can carry out gravity cascade system, namely the high-temperature liquid force feed be introduced in heat exchanging tube 3 carries out cooling to a certain degree in its independently cooled region, and this cooled region is just to cold liquid import 5, and then realize the maximum heat exchange efficiency of this cooled region, hydraulic oil continues circulation and enters next bending section or flat segments, hydraulic fluid temperature now tapers off state, and corresponding coolant temperature is in increasing progressively state, until the end that hydraulic oil moves to heat exchanging tube 3 is discharged by liquid outlet 2, increase in temperature cooling liquid to a certain extent then exports 6 by cold liquid and discharges, namely the cooling step by step of hydraulic oil is realized, heat simultaneously in each cooled region can not seal in mutually, realize the best heat exchange efficiency of hydraulic oil in housing 4.
As preferably, select fin tube as heat exchanging tube 3, utilize the multiple fins given prominence on fin tube to increase heat exchanging tube 3 and the area of contact of cooling liquid in housing, realize the maximal efficiency of heat exchange between hydraulic oil and cooling liquid, shorten the cool time of hydraulic oil.
The internal diameter of protuberance 32 is less than the internal diameter of heat exchanging tube 3, ensureing the normal circulation of hydraulic oil under being unlikely to the prerequisite forming blocking, the internal diameter size of protuberance 32 is set to 1/3rd of heat exchanging tube 3 internal diameter size, makes the reduced velocity flow of hydraulic oil and the impact that can not be formed cool cycles pipeline.
As preferably, XPS extruded sheet has high thermal resistance, low linear, feature that expansion ratio is low, the rate of closed hole of its structure reaches more than 99%, form vacuum layer, avoid air to flow to dispel the heat, the lasting and stable of its thermal insulation property can be guaranteed, therefore, in the process that hydraulic oil is lowered the temperature step by step, improve heat insulation effect and the heat isolation effect of isolating plate 7 further.
Above-described embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a hydraulic oil heat exchange structure, comprise housing (4) and bending fold and be placed on heat exchanging tube (3) in housing (4), the liquid entering hole (1) be communicated with heat exchanging tube (3) two ends is respectively provided with in the same side of housing (4), liquid outlet (2), it is characterized in that: be provided with the cold liquid import (5) that be communicated with inner with it at the opposite side of described housing (4), cold liquid outlet (6), on one end inwall in liquid outlet (2) direction, the protuberance (32) of annular is provided with at described heat exchanging tube (3), and the changeover portion (31) that cross section is arc-shaped is provided with at the two ends of described protuberance (32), also comprise multiple isolating plate (7) be arranged on housing (4) two side, described isolating plate (7) is positioned at the U-shaped region that described heat exchanging tube (3) is bent to form.
2. a kind of hydraulic oil heat exchange structure according to claim 1, is characterized in that: described heat exchanging tube (3) is fin tube.
3. a kind of hydraulic oil heat exchange structure according to claim 1, is characterized in that: the internal diameter of described protuberance (32) is 1/3rd of described heat exchanging tube (3) internal diameter.
4. a kind of hydraulic oil heat exchange structure according to claim 1, is characterized in that: described isolating plate (7) is XPS extruded sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993381.8U CN205154815U (en) | 2015-12-04 | 2015-12-04 | Hydraulic oil heat transfer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993381.8U CN205154815U (en) | 2015-12-04 | 2015-12-04 | Hydraulic oil heat transfer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154815U true CN205154815U (en) | 2016-04-13 |
Family
ID=55690516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993381.8U Expired - Fee Related CN205154815U (en) | 2015-12-04 | 2015-12-04 | Hydraulic oil heat transfer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351288A (en) * | 2015-12-04 | 2016-02-24 | 四川海搏液压机械有限公司 | Heat exchanger for hydraulic oil |
-
2015
- 2015-12-04 CN CN201520993381.8U patent/CN205154815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351288A (en) * | 2015-12-04 | 2016-02-24 | 四川海搏液压机械有限公司 | Heat exchanger for hydraulic oil |
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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: 20160413 Termination date: 20171204 |