CN114991938A - Device and method for degassing expansion water tank - Google Patents
Device and method for degassing expansion water tank Download PDFInfo
- Publication number
- CN114991938A CN114991938A CN202210652578.XA CN202210652578A CN114991938A CN 114991938 A CN114991938 A CN 114991938A CN 202210652578 A CN202210652578 A CN 202210652578A CN 114991938 A CN114991938 A CN 114991938A
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- Prior art keywords
- expansion
- degassing
- water tank
- pipe
- flow
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Links
- 238000007872 degassing Methods 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002826 coolant Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 25
- 239000000110 cooling liquid Substances 0.000 claims description 16
- 210000003437 trachea Anatomy 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 6
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/028—Deaeration devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a device and a method for degassing of an expansion water tank, which comprises a degassing pipe and the expansion water tank, wherein the front end of the degassing pipe extends into the expansion water tank for a certain length, a pipe body of the degassing pipe extending into the expansion water tank is used as an extending-in end, and a pipe body exposed outside the expansion water tank is used as a connecting end; the extending end is provided with a speed-regulating flow-guiding structure. The invention has the advantages of simple structure, easy improvement, low cost and the like.
Description
Technical Field
The invention relates to the technical field of a cooling system of a whole vehicle, in particular to a device and a method for degassing an expansion water tank.
Background
The expansion tank is an important part in a cooling system of a whole vehicle, has the functions of accommodating and compensating the expansion and contraction amount of cooling liquid in the system, performing liquid-gas separation on the cooling liquid mixed with gas, and simultaneously serving as water supply of the cooling system. The expansion water tank is generally arranged at the highest point of the system, and the water replenishing pipe of the expansion water tank is generally connected with the water inlet of the circulating water pump.
At present stage whole car expansion tank's degasification interface is inside direct access expansion tank, is in expansion tank upper portion, directly falls into on the liquid level after the tracheal high temperature coolant liquid that removes gets into the inside air cavity region of expansion tank, makes a large amount of air be drawn into the coolant liquid along with rivers, flows into the inside air cavity region of expansion tank simultaneously and directly falls into the rapid condensation that can't realize steam in the coolant liquid, and this is just leaded to the unable gas removal of accomplishing of whole car cooling system.
Compare this proposal with proposal CN211370533U and only need increase the device on current expansion tank and need not to change expansion tank inner structure, this proposal is mainly to increase the device that reduces the coolant flow rate and flow direction inside current expansion tank gas vent, the realization reduces the velocity of flow that flows into the regional high temperature coolant of the inside air cavity of expansion tank, reduce the air that is drawn into the coolant, adjust the flow direction of high temperature coolant simultaneously, make it flow down along the expansion tank inner wall, realize the steam rapid condensation in the high temperature coolant to water, increase cooling system degassing performance.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a device and a method for degassing an expansion water tank, which have simple structures, only need to slightly change the structure of a degassing pipe, do not need to improve the structure of the expansion water tank, have simple improvement and low cost, and obviously improve the degassing effect of the improved degassing pipe.
Therefore, the invention provides a device and a method for degassing an expansion tank.
Preferably, the invention can also have the following technical features:
a water replenishing method for reducing the gas content in an expansion tank changes the flow speed and the flow direction of cooling liquid entering the expansion tank so that the cooling liquid entering the expansion tank flows downwards along the inner wall of the expansion tank.
A device for adjusting the flow velocity and the flow direction of cooling liquid at the tail end of a degassing pipe of an expansion water tank comprises the degassing pipe and the expansion water tank, wherein the front end of the degassing pipe extends into the expansion water tank for a certain length, a pipe body of the degassing pipe extending into the expansion water tank is used as an extending end, and a pipe body exposed outside the expansion water tank is used as a connecting end; the extending end is provided with a speed-regulating flow-guiding structure.
Furthermore, the lateral surface and/or the front end surface of the air removing pipe extending end is/are provided with a drain hole to form the speed-regulating flow-guiding structure.
Further, the number of the drain holes is several.
Further, the center points of the drain holes opened at the side of the extended end are arranged along one of the generatrices of the extended end or adjacent to both sides of the same generatrix.
Furthermore, the front end face of the extending end of the degassing pipe is sealed.
Furthermore, a drain hole is formed in the front end face of the extending end, and the diameter of the drain hole formed in the front end face of the extending end is smaller than the diameter of the degassing pipe.
Further, the degassing pipe is detachably connected with the expansion water tank.
The use method of the device for adjusting the flow rate and the flow direction of the cooling liquid at the tail end of the degassing pipe of the expansion tank comprises the following steps: adjusting the diameter and/or the number of the drainage holes of the degassing pipe according to the requirement of the water outlet flow of the stretching end of the degassing pipe; according to the opening position of the drain hole at the extending end of the degassing pipe, the degassing pipe is rotated to adjust the direction of the drain hole, so that the drainage direction is close to the inner wall of the expansion water tank; after the drain hole is oriented, the expansion tank is detachably assembled to the expansion tank.
A side face and/or a front end face of one end of the degassing pipe are/is provided with a drain hole, so that the speed-regulating flow-guiding structure is formed.
Compared with the prior art, the invention has the advantages that: through setting up speed governing water conservancy diversion structure, make the velocity of flow that flows in expansion tank's coolant liquid through speed governing water conservancy diversion structure reduce and make the flow direction of coolant liquid change, realize reducing the velocity of flow that flows in the regional high temperature coolant liquid of the inside air cavity of expansion tank, reduce the air and be drawn into expansion tank's coolant liquid, the flow direction of adjusting high temperature coolant liquid through the wash port simultaneously makes it flow down along the expansion tank inner wall, realizes that the steam rapid condensation in the high temperature coolant liquid is water, increases cooling system degassing performance.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a top view of a degassing tube of the present invention.
FIG. 3 is a side view of a degassing tube of the present invention.
Description of reference numerals:
1. removing an air pipe; 2. a drain hole; 3. an expansion tank.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
A water replenishing method for reducing the gas content of an expansion tank changes the flow speed and the flow direction of cooling liquid entering the expansion tank 3, so that the cooling liquid entering the expansion tank flows downwards along the inner wall of the expansion tank. When the existing cooling liquid enters the expansion water tank, the newly-fed cooling liquid is injected into the liquid level of the expansion water tank in a column mode, so that the newly-fed cooling liquid is injected into the expansion water tank with more air, and the gas-liquid separation effect is poor. This embodiment is through reducing the coolant flow rate that gets into expansion tank to make the coolant that newly advances downflow along expansion tank's inner wall, realize the steam rapid condensation in the high temperature coolant liquid for water, increase cooling system degassing performance, the gas-liquid separation effect is showing and is improving.
The device for adjusting the flow velocity and the flow direction of the cooling liquid at the tail end of the degassing pipe of the expansion water tank as shown in fig. 1-3 comprises a degassing pipe 1 and an expansion water tank 3, wherein the front end of the degassing pipe 1 extends into the expansion water tank 3 for a certain length, a pipe body of the degassing pipe 1 extending into the expansion water tank 3 serves as an extending end, and a pipe body exposed outside the expansion water tank 3 serves as a connecting end; the extending end is provided with a speed-regulating flow-guiding structure. Present remove trachea 1 for the siphunculus, high temperature coolant liquid directly falls into on the liquid level through removing trachea 1 and getting into 3 inside air cavity regions of expansion tank, makes a large amount of air be drawn into the coolant liquid along with rivers, flows into 3 inside air cavity regions of expansion tank and directly falls into the rapid condensation that can't realize steam in the coolant liquid simultaneously, and this just leads to the unable degasification of accomplishing of whole car cooling system. In this embodiment, through setting up speed governing water conservancy diversion structure, make the velocity of flow that flows into expansion tank 3's coolant liquid through speed governing water conservancy diversion structure reduce and make the flow direction change of coolant liquid, realize reducing the velocity of flow that flows into the regional high temperature coolant liquid of 3 inside air cavities of expansion tank, reduce the air and be drawn into expansion tank 3's coolant liquid, adjust the flow direction of high temperature coolant liquid through wash port 2 simultaneously, make it flow down along 3 inner walls of expansion tank, realize the steam rapid condensation in the high temperature coolant liquid to water, increase cooling system degassing performance. In the cooling system of the whole vehicle, the extending end of the degassing pipe 1 is connected to the inside of the expansion water tank 3, the connecting end is connected with an engine and a radiator, and cooling water from a degassing port at the engine end and a degassing port of the radiator is conveyed into the expansion water tank 3.
And the speed-regulating flow guide structure. And a drain hole 2 is arranged on the side surface and/or the front end surface of the extending end of the degassing pipe 1 to form the speed-regulating flow-guiding structure. When the extending end of the degassing pipe 1 is connected into the expansion water tank 3, the drain hole 2 faces and is close to the inner wall of the water tank, and the water flowing out of the degassing pipe 1 is ensured to flow down along the inner wall of the expansion water tank as much as possible. Preferably, the number and the size of the drain holes 2 are set according to requirements, so as to adjust the flow rate of the outlet water injected into the expansion water tank 3 by the degassing pipe 1.
Optionally, the central point of each drainage hole 2 opened at the side of the extending end is arranged along one of the generatrices of the extending end or at two sides adjacent to the same generatrix, so that the flow direction of water from the drainage holes 2 tends to be the same. Preferably, the drain holes 2 are formed in the side surface of the extending end, and the central lines of the drain holes 2 are overlapped, namely the central line is one generatrix of the extending end. Through setting up wash port 2, make originally change the mode of terminal surface drainage before stretching into the end into can be through stretching into the side drainage of end, and set up a plurality of wash ports 2, share the water pressure that stretches into the end, go out water more mildly.
In the preferred embodiment, the front end face of the end where the degassing pipe extends is generally sealed, and only the side face of the end where the degassing pipe extends is provided with a drainage hole, and the central line of the drainage hole 2 is on one of the generatrices of the end where the degassing pipe extends.
In addition, when the front end surface of the extending end is provided with a drain hole. The diameter of the drain hole on the front end surface of the extending end is smaller than the pipe diameter of the degassing pipe 1.
More specifically, the degassing tube 1 is detachably connected to the expansion tank 3. Preferably, the degassing pipe 1 and the expansion water tank 3 are in interference fit. Utilize interference fit's mode, will remove trachea 1 and fix on expansion tank, simple to operate.
The use method of the device for adjusting the flow rate and the flow direction of the cooling liquid at the tail end of the degassing pipe of the expansion tank comprises the following steps: adjusting the diameter and/or the number of the drainage holes 2 of the degassing pipe according to the requirement of the water outlet flow of the stretching end of the degassing pipe 1; according to the opening position of the drain hole at the extending end of the air removing pipe 1, the air removing pipe 1 is rotated to adjust the direction of the drain hole 2, so that the drainage direction is close to the inner wall of the expansion water tank; the expansion tank 3 is detachably fitted with the drain hole oriented rearward. Preferably, the degassing tube 1 is fitted to the expansion tank 3 by means of an interference fit.
Referring to fig. 2-3, a degassing pipe for use in whole car expansion tank, the front end of degassing pipe 1 stretches into expansion tank 3 inside certain length, and the inside body that stretches into expansion tank that removes the trachea is as stretching into the end, exposes at expansion tank 3 outside body as the link. The extending end is provided with a speed-regulating flow-guiding structure. And a drain hole is arranged on the side surface and/or the front end surface of the extending end of the degassing pipe 1 to form the speed-regulating flow-guiding structure.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and therefore the examples and drawings are merely intended to describe one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the invention.
Claims (10)
1. A water replenishing method for reducing the gas content of an expansion tank is characterized in that: the flow speed and the flow direction of the cooling liquid entering the expansion water tank are changed, so that the cooling liquid entering the expansion water tank flows downwards along the inner wall of the expansion water tank.
2. The utility model provides a device of adjusting expansion tank degasification pipe end coolant liquid velocity of flow and flow direction which characterized in that: the degassing device comprises a degassing pipe and an expansion water tank, wherein the front end of the degassing pipe extends into the expansion water tank for a certain length, a pipe body of the degassing pipe, which extends into the expansion water tank, is used as an extending-in end, and a pipe body, which is exposed outside the expansion water tank, is used as a connecting end; the extending end is provided with a speed-regulating flow-guiding structure.
3. The apparatus for regulating the flow rate and direction of coolant at the end of a deaeration line in an expansion tank of claim 2, wherein: and drain holes are arranged on the side surface and/or the front end surface of the extending end of the degassing pipe to form the speed-regulating flow-guiding structure.
4. The apparatus for regulating the flow rate and direction of coolant at the end of a deaeration tube in an expansion tank according to claim 3, wherein: the number of the drain holes is several.
5. The apparatus for regulating the flow rate and direction of coolant at the end of a degassing tube in an expansion tank of claim 3, wherein: the central point of each drain hole opened at the side of the extending end is arranged along one of the generatrices of the extending end or at two sides adjacent to the same generatrix.
6. The apparatus for regulating the flow rate and direction of coolant at the end of a deaeration tube in an expansion tank according to claim 5, wherein: the front end surface of the extending end of the degassing pipe is sealed.
7. The apparatus for regulating the flow rate and direction of coolant at the end of a degassing tube in an expansion tank of claim 3, wherein: the front end surface of the stretching end is provided with a drain hole, and the diameter of the drain hole on the front end surface of the stretching end is smaller than that of the degassing pipe.
8. The apparatus for regulating the flow rate and direction of coolant at the end of a degassing tube in an expansion tank of claim 3, wherein: the air removal pipe is detachably connected with the expansion water tank.
9. The use method of the device for adjusting the flow speed and the flow direction of the cooling liquid at the tail end of the degassing pipe of the expansion water tank is characterized by comprising the following steps of: the method comprises the following steps: adjusting the diameter and/or the number of the drainage holes of the degassing pipe according to the requirement of the water outlet flow of the stretching end of the degassing pipe; according to the opening position of the drain hole at the extending end of the degassing pipe, the degassing pipe is rotated to adjust the direction of the drain hole, so that the drainage direction is close to the inner wall of the expansion water tank; after the drain hole is oriented, the expansion tank is detachably assembled to the expansion tank.
10. The utility model provides a be used in trachea that removes of whole car expansion tank which characterized in that: and a drain hole is arranged on the side surface and/or the front end surface of one end of the air removing pipe to form the speed-regulating flow-guiding structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210652578.XA CN114991938A (en) | 2022-06-09 | 2022-06-09 | Device and method for degassing expansion water tank |
Applications Claiming Priority (1)
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CN202210652578.XA CN114991938A (en) | 2022-06-09 | 2022-06-09 | Device and method for degassing expansion water tank |
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CN114991938A true CN114991938A (en) | 2022-09-02 |
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CN202210652578.XA Pending CN114991938A (en) | 2022-06-09 | 2022-06-09 | Device and method for degassing expansion water tank |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050852A1 (en) * | 2000-10-13 | 2002-05-02 | Geiger Technik Gmbh | Cooling water expansion tank for cooling water circuit of motor vehicles has round circumferential wall, and inlet pipe connector enters tank tangentially |
CN203009027U (en) * | 2013-01-11 | 2013-06-19 | 东风汽车股份有限公司 | Automobile plastic expansion tank assembly |
CN106870106A (en) * | 2017-02-17 | 2017-06-20 | 东风柳州汽车有限公司 | Vehicle expansion tank |
CN206555009U (en) * | 2017-03-24 | 2017-10-13 | 江西凯马百路佳客车有限公司 | With the expansion tank for removing bubble function in cooling system |
CN209179869U (en) * | 2018-12-26 | 2019-07-30 | 十堰楚欣达汽车科技股份有限公司 | A kind of army's vehicle expansion tank |
CN211370533U (en) * | 2020-04-26 | 2020-08-28 | 烟台富耐克换热器有限公司 | Degassing expansion tank |
CN211605292U (en) * | 2020-03-27 | 2020-09-29 | 潍柴动力股份有限公司 | Expansion tank and expansion tank cover |
CN113006926A (en) * | 2021-04-20 | 2021-06-22 | 一汽解放汽车有限公司 | Expansion tank, engine cooling system and vehicle |
CN217518735U (en) * | 2022-06-09 | 2022-09-30 | 广西玉柴机器股份有限公司 | Expansion tank degassing device and degassing pipe |
-
2022
- 2022-06-09 CN CN202210652578.XA patent/CN114991938A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050852A1 (en) * | 2000-10-13 | 2002-05-02 | Geiger Technik Gmbh | Cooling water expansion tank for cooling water circuit of motor vehicles has round circumferential wall, and inlet pipe connector enters tank tangentially |
CN203009027U (en) * | 2013-01-11 | 2013-06-19 | 东风汽车股份有限公司 | Automobile plastic expansion tank assembly |
CN106870106A (en) * | 2017-02-17 | 2017-06-20 | 东风柳州汽车有限公司 | Vehicle expansion tank |
CN206555009U (en) * | 2017-03-24 | 2017-10-13 | 江西凯马百路佳客车有限公司 | With the expansion tank for removing bubble function in cooling system |
CN209179869U (en) * | 2018-12-26 | 2019-07-30 | 十堰楚欣达汽车科技股份有限公司 | A kind of army's vehicle expansion tank |
CN211605292U (en) * | 2020-03-27 | 2020-09-29 | 潍柴动力股份有限公司 | Expansion tank and expansion tank cover |
CN211370533U (en) * | 2020-04-26 | 2020-08-28 | 烟台富耐克换热器有限公司 | Degassing expansion tank |
CN113006926A (en) * | 2021-04-20 | 2021-06-22 | 一汽解放汽车有限公司 | Expansion tank, engine cooling system and vehicle |
CN217518735U (en) * | 2022-06-09 | 2022-09-30 | 广西玉柴机器股份有限公司 | Expansion tank degassing device and degassing pipe |
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