CN115445330A - Expansion tank and vehicle - Google Patents
Expansion tank and vehicle Download PDFInfo
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- CN115445330A CN115445330A CN202211011050.0A CN202211011050A CN115445330A CN 115445330 A CN115445330 A CN 115445330A CN 202211011050 A CN202211011050 A CN 202211011050A CN 115445330 A CN115445330 A CN 115445330A
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- 239000007788 liquid Substances 0.000 claims abstract description 131
- 238000000926 separation method Methods 0.000 claims abstract description 88
- 238000005192 partition Methods 0.000 claims abstract description 87
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000003628 erosive effect Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 19
- 239000000110 cooling liquid Substances 0.000 description 12
- 239000002826 coolant Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
Abstract
The application relates to an expansion tank and a vehicle. An expansion tank comprising: a housing having an interior cavity; the partition plate assembly divides the inner cavity of the box shell into a plurality of sub-cavities; wherein, the box shell is provided with an inlet communicated with one sub-cavity and an outlet communicated with the other sub-cavity; the lower part of the clapboard component is provided with a plurality of liquid separation openings, and each liquid separation opening is respectively communicated with two adjacent sub-cavities; the separator assembly is configured to enable fluid within the sub-chamber in communication with the inlet to flow along a predetermined path to a sub-chamber in communication with the outlet by means of the plurality of liquid separation ports, the plurality of sub-chambers being located on the predetermined path. The gas can be filtered in the sub-cavities in a gradient manner, so that gas-liquid separation is fully realized, and the problems of cavitation erosion of internal parts of the engine or insufficient heat exchange of the engine and the like are avoided.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to an expansion tank and a vehicle.
Background
In the related art, since the coolant flows through the engine cooling circuit, the coolant expands in volume and increases in pressure with an increase in temperature, and an expansion tank is provided to absorb the expansion volume and reduce the pressure of the cooling system.
Along with the operation of the engine, the cooling liquid flowing into the expansion tank can carry partial gas to form a gas-liquid mixture, however, the gas-liquid separation effect of the traditional expansion tank is poor, so that bubbles still flow into the engine along with an engine cooling loop, and the problems of cavitation erosion on internal parts of the engine or insufficient heat exchange of the engine and the like can be caused.
Disclosure of Invention
In view of this, it is necessary to provide an expansion tank and a vehicle in order to solve the problem that the gas-liquid separation effect of the conventional expansion tank is not good.
According to an aspect of the present application, there is provided an expansion tank comprising:
a housing having an interior cavity;
a baffle assembly dividing the interior chamber of the cabinet into a plurality of sub-chambers;
wherein, the box shell is provided with an inlet communicated with one of the sub-cavities and an outlet communicated with the other sub-cavity;
the lower part of the partition plate assembly is provided with a plurality of liquid separation openings, and each liquid separation opening is respectively communicated with two adjacent sub-cavities;
the separator assembly is configured to enable fluid within the sub-chamber in communication with the inlet to flow along a predetermined path to the sub-chamber in communication with the outlet by means of the plurality of liquid separation ports, the plurality of sub-chambers being located on the predetermined path.
In one embodiment, the baffle plate assembly comprises a plurality of first baffle plates arranged in the inner cavity at intervals along a first direction, and a plurality of second baffle plates arranged in the inner cavity at intervals along a second direction;
the two longitudinal ends of each first partition plate are respectively connected to the two opposite ends of the box shell along the second direction, and the two longitudinal ends of each second partition plate are respectively connected to the two opposite ends of the box shell along the first direction;
a plurality of said first baffles and a plurality of said second baffles defining a plurality of said subchambers;
the first direction and the second direction are arranged in an angle.
In one embodiment, the plurality of liquid separation ports includes at least two first liquid separation ports formed on each of the first partition plates and arranged at intervals along the second direction, and at least one second liquid separation port formed on each of the second partition plates;
each first liquid separation port is respectively communicated with two sub-cavities which are adjacently arranged along the first direction;
each second liquid separation port is respectively communicated with two sub-cavities which are adjacently arranged along the second direction;
the sub-chambers communicating with the inlet are located outside the plurality of first separators in the first direction;
the sub-chambers communicating with the outlet are located outside the plurality of second separators in the second direction.
In one embodiment, the preset paths include a first preset path, a second preset path and a third preset path.
In one embodiment, the plurality of sub-cavities comprises a plurality of first cavities and a plurality of second cavities, and the plurality of first cavities are semi-enclosed in the plurality of second cavities;
said inlet communicating with one of said first chambers and said outlet communicating with the one of said first chambers closest to said second chamber;
the first chamber communicating with the inlet and the first chamber communicating with the outlet communicate with each other through a plurality of the first chambers;
wherein an adjacent first chamber and the second chamber are communicated with each other, and an adjacent two second chambers are communicated with each other;
the top of the box shell is provided with a pressure relief opening communicated with one of the second chambers.
In one embodiment, the first chamber and the second chamber, which are communicated with each other, are communicated with each other through a siphon tube;
the siphon extends in the thickness direction of the housing.
In one embodiment, the enclosure is provided with a plurality of inlets;
at least one partition plate is arranged in the sub cavity communicated with the inlet, and the sub cavity is divided into a plurality of separation cavities communicated with the inlet in a one-to-one correspondence mode through the at least one partition plate.
In one embodiment, the baffle assembly comprises a plurality of first baffles extending in the second direction and a plurality of second baffles extending in the first direction;
the two adjacent second partition plates, one first partition plate and the box shell are encircled to form a sub-cavity communicated with the inlet, and two openings communicated with the separation cavities in a one-to-one correspondence mode are formed in the top of the first partition plate.
In one embodiment, the liquid level sensor is arranged in the middle of the box shell and positioned in one of the sub-cavities.
According to another aspect of the application, a vehicle is provided comprising an expansion tank as described above.
Above-mentioned expansion tank and vehicle, the in-process of the sub-chamber that the flow in and the import is linked together along predetermineeing the route flow direction and export the sub-chamber that is linked together, the liquid in last sub-chamber can flow in next sub-chamber through the liquid separation mouth that is located the baffle subassembly lower part, make the upper strata of the liquid of gas stay in last sub-chamber, because a plurality of sub-chamber are located predetermine the route, thus, the gas-liquid mixture in the sub-chamber that is linked together with the import can carry out gas-liquid separation at a plurality of sub-chambers in proper order, make gas ladder times filter in a plurality of sub-chambers, fully realize gas-liquid separation, avoid appearing the internals cave of engine and lose or the insufficient scheduling problem of engine heat transfer.
Drawings
Fig. 1 shows a schematic structural view of an expansion tank in a first embodiment of the present application;
fig. 2 shows a partial structural schematic view of an expansion tank in a first embodiment of the present application;
FIG. 3 shows a partial cross-sectional view of an expansion tank in a first embodiment of the present application;
FIG. 4 shows a top view of an expansion tank in a second embodiment of the present application;
FIG. 5 shows a partial cross-sectional view of an expansion tank in a second embodiment of the present application;
fig. 6 shows a partial cross-sectional view (first perspective) of an expansion tank in a first embodiment of the present application;
fig. 7 shows a partial cross-sectional view (second perspective) of an expansion tank in a first embodiment of the present application;
fig. 8 shows a schematic structural view of an expansion tank in a third embodiment of the present application;
FIG. 9 shows a partial cross-sectional view of an expansion tank in a fourth embodiment of the present application;
fig. 10 shows a structural sectional view of an expansion tank in a fourth embodiment of the present application.
In the figure: 10. an expansion tank; 110. a cabinet housing; 1101. a first side wall; 1102. a second side wall; 1111. a sub-cavity; 1112. a first chamber; 1113. a second chamber; 1114. a separation chamber; 112. an inlet; 113. an outlet; 114. a pressure relief port; 1141. a pressure cap; 115. a partition plate; 116. a liquid inlet pipe; 117. a liquid filling port; 1171. a sealing cover; 120. a bulkhead assembly; 1201. a gas separation port; 1202. a liquid separation port; 121. a first separator; 1211. a first liquid separation port; 1212. an opening; 122. a second separator; 1221. a second liquid separation port; 130. a siphon tube; 131. a third siphon mouth; 132. a second siphon mouth; 133. a siphon chamber; 140. a liquid level sensor; 141. a sensor via.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In the related art, since the coolant flows through the engine cooling circuit, the coolant expands in volume and increases in pressure with an increase in temperature, and an expansion tank is provided to absorb the expansion volume and reduce the pressure of the cooling system.
Along with the operation of the engine, the cooling liquid flowing into the expansion tank can carry part of gas to form a gas-liquid mixture, however, the gas-liquid separation effect of the traditional expansion tank is poor, so that bubbles still flow into the engine through an engine cooling loop, and cavitation erosion or insufficient heat exchange of the engine and other problems can be caused to internal parts of the engine.
The inventor of the application finds that only one cavity is usually arranged in the traditional expansion tank, so that a gas-liquid mixture entering the expansion tank does not have time for gas-liquid separation, and flows into an engine through an engine cooling loop again, and further the problems of cavitation erosion of internal parts of the engine or insufficient heat exchange of the engine and the like are caused.
In order to solve the not good problem of gas-liquid separation effect of traditional expansion tank, the inventor of this application is through deep research, an expansion tank has been designed, make the gas-liquid mixture that gets into the expansion tank can pass through a plurality of sub-chambeies in proper order, arrange the coolant liquid entry to the engine from the export at last, gas-liquid mixture can carry out gas-liquid separation at a plurality of sub-chambeies in proper order, make the bubble filter at a plurality of sub-intracavity echelons, fully realize gas-liquid separation, avoid appearing the interior part cave of engine and corrode or the insufficient scheduling problem of engine heat transfer.
Fig. 1 shows a schematic structural view of an expansion tank in an embodiment of the present application, and fig. 2 shows a partial schematic view of the expansion tank in an embodiment of the present application.
Referring to fig. 1 and 2 in combination with fig. 3 and 4, an embodiment of the present invention provides an expansion tank 10 including a tank shell 110 and a partition assembly 120.
The cabinet 110 has an inner cavity, the partition plate assembly 120 divides the inner cavity of the cabinet 110 into a plurality of sub-cavities 1111, the cabinet 110 is provided with an inlet 112 communicated with one sub-cavity 1111 and an outlet 113 communicated with the other sub-cavity 1111, the lower portion of the partition plate assembly is provided with a plurality of liquid separation ports 1202, each liquid separation port 1202 is respectively communicated with two adjacent sub-cavities 1111, the partition plate assembly 120 is configured to enable fluid in the sub-cavity 1111 communicated with the inlet 112 to flow to the sub-cavity 1111 communicated with the outlet 113 along a preset path by means of the plurality of liquid separation ports 1202, and the plurality of sub-cavities 111 are located on the preset path.
The inlet 112 of the expansion tank 10 can be connected with the cooling liquid outlets of the engine and the radiator respectively, the outlet 113 of the expansion tank 10 is connected with the cooling liquid inlet of the engine, when the expansion tank 10 is in an operating state, a gas-liquid mixture (the gas-liquid mixture comprises cooling liquid and air) flowing out of the cooling liquid outlets of the engine and the radiator can flow into one of the sub-cavities 1111 through the inlet 112, fluid flowing into the sub-cavity 1111 can flow into the sub-cavity 1111 communicated with the outlet 113 along a preset path by means of a plurality of liquid separation ports 1202, it can be understood that in the process that the gas-liquid mixture flowing into the sub-cavity 1111 communicated with the inlet 112 flows into the sub-cavity 1111 communicated with the outlet 113 along the preset path, the liquid in the previous sub-cavity 1111 can flow into the next sub-cavity 1111 through the liquid separation ports 1202 positioned at the lower part of the partition plate assembly 120, so that the gas remains in the upper layer of the liquid in the previous sub-cavity 1111, and the gas in the sub-cavities 1111 is positioned on the preset path, thus, the gas-cavity 1111 can be separated in turn in the plurality of the gas-cavities 1111, and the problem that the gas-liquid separation in the engine can be avoided, and the engine can be fully filtered.
In some embodiments of the present application, referring to fig. 1 and fig. 2, the top of the box housing 110 is further provided with a pressure relief port 114 communicated with one of the sub-chambers 1111, the pressure relief port 114 is provided with a pressure cover 1141, the pressure cover 1141 covers the pressure relief port 114 to seal the pressure relief port 114, and the pressure cover 1141 is configured to be in an open state when the air pressure in the sub-chamber 1111 communicated with the pressure relief port 114 reaches a preset value, so as to communicate the pressure relief port 114 with the external environment. When the air pressure in the sub-chamber 1111 connected to the pressure release port 114 is smaller than a predetermined value, the pressure cover 1141 is closed. When the air pressure in the sub-chamber 1111 communicated with the pressure release port 114 is greater than or equal to a preset value, the pressure cover 1141 is opened, so that the pressure can be released through the pressure release port 114, and the excessive air pressure in the box shell 110 is avoided.
In some embodiments of the present application, referring to FIG. 3 in combination with FIG. 5, the baffle plate assembly 120 includes a baffle plate extending in a first direction F 1 A plurality of first partition boards 121 arranged in the inner cavity at intervals, and a plurality of second partition boards arranged along a second direction F 2 A plurality of second partition plates 122 arranged in the inner cavity at intervals, wherein two longitudinal ends of each first partition plate 121 are respectively connected to the box shell 110 along the second direction F 2 Longitudinal ends of each second partition 122 are respectively connected to the cabinet shell 110 along the first direction F 1 The plurality of first partitions 121 and the plurality of second partitions 122 define a plurality of sub-cavities 1111 in the first direction F 1 And a second direction F 2 Is arranged in an angle.
The plurality of sub-chambers 1111 are defined by the plurality of first partitions 121 and the plurality of second partitions 122, which is advantageous for separating the plurality of sub-chambers 1111, and also is advantageous for allowing the fluid in the sub-chamber 1111, which is communicated with the inlet 112, to flow to the sub-chamber 1111, which is communicated with the outlet 113, along a preset path by means of the partition assembly 120.
In addition, the liquid flowing into sub-cavity 1111 can contact with the side wall of sub-cavity 1111, and the kinetic energy of the cooling liquid can be effectively reduced. Specifically, the liquid flowing into the sub-chamber 1111 may contact the first and second partitions 121 and 122 to effectively absorb the kinetic energy of the coolant.
In the present embodiment, the first direction F 1 And a second direction F 2 Are arranged at an angle and are all parallel to the bottom surface of the box shell 110. In particular, a first direction F 1 And a second direction F 2 Perpendicular to each other, first direction F 1 Parallel to the length of the cabinet 110, a second direction F 2 Parallel to the width of the cabinet 110.
In some embodiments of the present application, referring to FIG. 5, the plurality of liquid separation ports 1202 are formed on each of the first partitions 121 along the second direction F 2 At least two first liquid separation ports 1211 disposed at intervals, and at least one second liquid separation port 1221 formed on each of the second partitions 122. Two adjacent first liquid separation ports 1211 of two adjacent first partition plates 121 communicate with each other through the sub-chamber 1111 located between the two adjacent first partition plates 121, two adjacent second liquid separation ports 1221 of two adjacent second partition plates 122 communicate with each other through the sub-chamber 1111 located between the two adjacent second partition plates 122, and each first liquid separation port 1211 communicates with each other along the first direction F 1 Two adjacent sub-chambers 1111 are connected to each other, and each second liquid-separating opening 1221 is connected to the second liquid-separating chamber along the second direction F 2 Two sub-chambers 1111 adjacently arranged are communicated, and the sub-chamber 1111 communicated with the inlet 112 is positioned on the plurality of first partition boards along the first direction F 1 And the sub-chamber 1111, which is communicated with the outlet 113, is located at the plurality of second partitions along the second direction F 2 Outside of (a).
Because the fluid in the sub-chamber 1111 communicated with the inlet 112 flows to the sub-chamber 1111 communicated with the outlet 112 along the preset path, the preset path can be L-shaped, so that the fluid in the sub-chamber 1111 communicated with the inlet 112 can flow to the sub-chamber 1111 communicated with the outlet 112 in a bent manner, the residence time of the gas-liquid mixture in the box shell 110 is prolonged, and the gas-liquid separation effect is also favorably improved.
In some embodiments, plurality of subchambers 1111 are along second direction F 2 Arranged in a direction extending from the inlet 112 towards a side adjacent the outlet 113 to form a plurality of sub-groups, each sub-group comprisingAlong a first direction F 1 A plurality of sub-chambers 1111 arranged at intervals, the sub-chamber 1111 communicated with the inlet 112 is positioned in the nth row sub-chamber group, the sub-chamber 1111 communicated with the outlet 113 is positioned in the (n + 2) th row sub-chamber group, and the sub-chamber 1111 communicated with the inlet 112 and the sub-chamber 1111 communicated with the outlet 113 are positioned along the first direction F 1 And (4) staggered arrangement, wherein n is a positive integer. Therefore, the plurality of sub-chambers 1111 are arranged on the preset path from the sub-chamber 1111 communicated with the inlet 112 to the sub-chamber 1111 communicated with the outlet 113, and the preset path can be L-shaped, so that the residence time of the gas-liquid mixture in the box shell 110 can be prolonged, and the gas-liquid separation effect can be improved.
In some embodiments of the present application, the predetermined path includes a first predetermined path L 1 A second predetermined path L 2 And a third preset path L 3 。
It can be understood that the fluid in the sub-chamber 1111 communicated with the inlet 112 can respectively follow the first predetermined path L 1 A second predetermined path L 2 And a third preset path L 3 The fluid in the sub-cavity 1111 communicated with the inlet 112 flows to the sub-cavity 1111 communicated with the outlet 112, so that a parallel flow channel is formed, the liquid level of the liquid in the sub-cavity 1111 communicated with the outlet 112 can be quickly supplemented, and the conditions of liquid path cutoff and air gap intake when the engine is in a rapid acceleration state are avoided.
In the present embodiment, referring to fig. 4 and 5, six first partition plates 121 are provided, three second partition plates are provided, and the plurality of sub-chambers 1111 extend along the second direction F 2 Arranged in a direction extending from the inlet 112 towards a side close to the outlet 113 to form a plurality of line sub-groups, counted from one to N, each line sub-group comprising a plurality of lines extending in a first direction F 1 A plurality of sub-chambers 1111, counted from one to N, are sequentially provided from the inlet 112 toward a side adjacent to the outlet 113, and the plurality of first partitions 121 are arranged along the second direction F 2 Counting from 1 to N in order from the inlet 112 toward the side near the outlet 113, a plurality of second partitions 122 are arranged in the first direction F 1 Counting from 1 to N in order from the inlet 112 toward the side near the outlet 113.
Thus, the first and second partition plates 122 are provided with three second liquid separation openings 1221, the first and second liquid separation openings 1221 of the first and second partition plates 122 are respectively communicated with the first row second sub-chamber 1111 and the second row second sub-chamber 1111, the second and second liquid separation openings 1221 of the first and second partition plates 122 are respectively communicated with the first row fifth sub-chamber 1111 and the second row fifth sub-chamber 1111, and the third and second liquid separation openings 1221 of the first and second partition plates 122 are respectively communicated with the first row sixth sub-chamber 1111 and the second row sixth sub-chamber 1111
The second partition plate 122 is provided with three second liquid separation ports 1221, the first second liquid separation port 1221 of the second partition plate 122 is respectively communicated with the second row of the second sub-chambers 1111 and the third row of the second sub-chambers 1111, the second liquid separation port 1221 of the second partition plate 122 is respectively communicated with the second row of the fifth sub-chambers 1111 and the third row of the fifth sub-chambers 1111, and the third second liquid separation port 1221 of the second partition plate 122 is respectively communicated with the second row of the sixth sub-chambers 1111 and the third row of the sixth sub-chambers 1111.
The third second partition 122 is provided with two second liquid separation ports 1221, the first second liquid separation port 1221 of the third second partition 122 is respectively communicated with the third row, the fifth sub-chamber 1111 and the fourth row, the fifth sub-chamber 1111, and the second liquid separation port 1221 of the third second partition 122 is respectively communicated with the third row, the sixth sub-chamber 1111 and the fourth row, the sixth sub-chamber 1111.
The first partition board 121 and the third first partition board 121 are provided with two first liquid separation ports 1211, one first liquid separation port 1211 of the first partition board 121 is respectively communicated with the first sub-cavity 1111 of the second row and the second sub-cavity 1111 of the second row, and the other first liquid separation port 1211 of the first partition board 121 is respectively communicated with the first sub-cavity 1111 of the third row and the second sub-cavity 1111 of the third row. One of the first liquid-separating ports 1211 of the third first separator 121 communicates with the third subchamber 1111 of the second row and the fourth subchamber 1111 of the second row, respectively, and the other first liquid-separating port 1211 of the third first separator 121 communicates with the third subchamber 1111 of the third row and the fourth subchamber 1111 of the third row, respectively.
The second first partition board 121, the fourth first partition board 121, the fifth first partition board 121 and the sixth first partition board 121 are respectively provided with three second liquid separation openings 1221 which are respectively positioned in the second row of sub-cavities, the third row of sub-cavities and the fourth row of sub-cavities.
The inlet 112 communicates with the first sub-chamber 1111 of the second row and the outlet 112 communicates with the fourth sub-chamber 1111 of the fourth row. Thus, the first predetermined path L 1 A second predetermined path L is a path passing through the second sub-chamber 1111, the third sub-chamber 1111, the fifth sub-chamber 1111 and the fourth sub-chamber 1111 in sequence 2 A third preset path L is a path which sequentially passes through a second sub-chamber 1111 of the second row, a third sub-chamber 1111 of the second row, a fourth sub-chamber 1111 of the second row, a fifth sub-chamber 1111 of the second row, a sixth sub-chamber 1111 of the third row, a sixth sub-chamber 1111 of the fourth row and a fifth sub-chamber 1111 of the fourth row 3 The path is a path which passes through a second row of a second sub-cavity 1111, a second row of a third sub-cavity 1111, a second row of a fourth sub-cavity 1111, a second row of a fifth sub-cavity 1111, a second row of a sixth sub-cavity 1111, a second row of a seventh sub-cavity 1111, a third row of a seventh sub-cavity 1111, a fourth row of a sixth sub-cavity 1111 and a fourth row of a fifth sub-cavity 1111 in sequence.
In some embodiments of the present application, referring to fig. 4 and 5, the sub-chambers 1111 include a plurality of first chambers 1112 and a plurality of second chambers 1113, the plurality of first chambers 1112 are semi-enclosed in the plurality of second chambers 1113, the inlet 112 communicates with one of the first chambers 1112, the outlet 113 communicates with one of the first chambers 1112 closest to the second chambers 1113, the first chamber 1112 communicating with the inlet 112 and the first chamber 1112 communicating with the outlet 112 communicate with each other through the plurality of first chambers 1112, the gas-liquid mixture flowing into the first chamber 1112 communicating with the inlet 112 can flow to the first chamber 1112 communicating with the outlet 113 along a predetermined path, in the process, since one of the adjacent first chamber 1112 and the second chamber 1113 communicate with each other and the adjacent two second chambers 1113 communicate with each other, the liquid flowing into the first chamber 1112 communicating with the second chamber 1113 can also flow into the second chamber 1113, and the pressure relief port 114 communicating with one of the second chambers 1113 is provided at the top of the cabinet 110, so that the pressure relief port 114 and the pressure relief port 114 can be further improved.
In particular, in the embodiment shown in FIG. 4, the plurality of first cavities 1112 are shown as being located within a first dashed box W 1 In the figure, the plurality of second chambers 1113 are located at a second dotted line frame W 2 In (1).
In some embodiments of the present application, referring to fig. 3-5, the first chamber 1112 and the second chamber 1113, which are in communication with each other, are in communication with each other through a siphon 130, the siphon 130 extending in the thickness direction of the housing 110.
With such an arrangement, when the pressure in the first chamber 1112 increases, the siphon 130 can discharge the gas and liquid in the first chamber 1112 into the second chamber 1112, and the pressure can be released through the pressure release port 114, and when the pressure in the second chamber 1113 increases, the siphon 130 can discharge the gas and liquid in the second chamber 1112 into the first chamber 1112, so as to avoid the liquid from leaking from the pressure release port 114, and greatly reduce the risk of "water return".
In some embodiments, referring to FIG. 5, the siphon 130 has a third siphon port 131 in communication with the first chamber 1112 and a second siphon port 132 in communication with the second chamber 1113, the third siphon port 131 is located at the top of the first chamber 1112 and the second siphon port 132 is located at the bottom of the second chamber 1113, such that the siphon 130 can be used to discharge the air in the second chamber 1112 into the first chamber 1112 or the air in the first chamber 1112 into the second chamber 1112, thereby avoiding the liquid leakage from the pressure release port 114 and greatly reducing the risk of "water return".
Specifically, the siphon tube 130 is disposed in the first cavity 1112, and encloses a siphon cavity 133 with the side wall of the second cavity 1113, and the volume of the siphon cavity 133 is much smaller than the volume of the first cavity 1112 and the volume of the second cavity 1113, so that the siphon tube 130 can be used to discharge the gas in the second cavity 1112 into the first cavity 1112 or the gas in the first cavity 1112 into the second cavity 1112 under the pressure difference between the first cavity 1112 and the second cavity 1113, thereby avoiding the liquid from leaking from the pressure release port 114, and greatly reducing the risk of "water return".
In some embodiments, referring to fig. 3, 6 and 7, the housing 110 has a plurality of inlets 112, at least one partition plate is disposed in the sub-chamber 1111 in communication with the inlets 112, and the at least one partition plate 115 divides the sub-chamber 1111 into a plurality of compartments 1114 in one-to-one communication with the inlets 112.
The gas-liquid mixture entering the sub-cavity 1111 communicated with the inlet 112 can respectively flow into different separation cavities 1114, so that mutual interference of liquid flows is reduced, the gas-liquid mixture entering the separation cavities 1114 can flow along the partition plate 115, and bubbles generated by impact oscillation are reduced.
Specifically, at least one partition plate 115 is disposed in the first chamber 1112 that is communicated with the inlet 112, and the at least one partition plate 115 divides the first chamber 1112 into a plurality of divided chambers 1114 that are communicated with the inlet 112 in a one-to-one correspondence.
In some embodiments, the diaphragm assembly 120 includes a plurality of first diaphragms 121 and a plurality of second diaphragms 122, the first diaphragms 121 being along the second direction F 2 Extending with the second partition 122 in the first direction F 1 And a sub-chamber 1111 communicated with the inlet 112 is defined by two adjacent second partition plates 122, one first partition plate 121 and the case 110, and two openings 1212 communicated with the separation chambers 1114 in a one-to-one correspondence manner are formed at the top of the first partition plate 121.
When the flow rate of the gas-liquid mixture flowing into the compartment 1114 is low due to gravity, the coolant falls into the compartment 1114; when the flow rate of the gas-liquid mixture flowing into the separation chamber 1114 is high, the cooling liquid may flow downward through the opening 1212 of the first partition 121 and fall into the sub-chamber 1111 adjacent to the sub-chamber 1111 in which the separation chamber 1114 is located.
In some embodiments, referring to fig. 6, a second partition plate 122 extending along the central line of the inlet 112 and connected to the sidewall of the inlet 112 is disposed in the inner cavity, a gas separation port 1201 is disposed at the upper portion of the second partition plate 122, and a liquid separation port 1202 is disposed at the lower portion. After the gas-liquid mixture enters the expansion tank 10 through the inlet 112, the gas-liquid mixture flows along the second partition 122 under the action of the surface tension of the liquid, so that bubbles generated due to impact oscillation are avoided.
In some embodiments, the first partition plate 121 on one side of the sub-cavity 1111, which is communicated with the inlet 112, is disposed opposite to the inlet 112, and a plurality of honeycomb holes are disposed on the first partition plate 121, so that kinetic energy of the coolant can be effectively reduced, and the gas-liquid separation effect is good. The shape and size of the honeycomb holes and the spacing between two adjacent honeycomb holes can be adjusted according to design requirements, and are not particularly limited herein. Specifically, the first baffle 121 and the inlet 112 are along the first direction F 1 Are oppositely arranged.
In some embodiments, referring to fig. 8, the expansion tank 10 further comprises at least one liquid inlet pipe 116 (fig. 8 shows an example of two liquid inlet pipes 116), the liquid inlet pipe 116 extends from the bottom of the tank shell 110 into the sub-chamber 1111 in communication with the inlet 112, and the inlet 112 is provided at one end of the corresponding liquid inlet pipe 116 extending into the corresponding sub-chamber 1111.
The gas-liquid mixture flows from the liquid inlet pipe 116 into the sub-chamber 1111 communicating with the inlet 112, and the cooling liquid from the engine and the radiator is guided to the upper part of the inner chamber of the cabinet 110, so that gas-liquid separation is performed, so that the gas can be left in the upper layer of the liquid in the sub-chamber 1111, and the liquid flows from the liquid separation port 1202 at the lower part into the next sub-chamber 1111, and then flows to the outlet 113.
The liquid inlet pipe 116 extends into the corresponding sub-cavity 1111 from the bottom of the tank shell 110, so that the occupied space of the expansion tank 10 in the horizontal direction is reduced.
In other embodiments, there are two inlet pipes 116, and two inlet pipes 116 are disposed on one side of the housing 110 and communicate with the compartments 1114 in a one-to-one correspondence (as shown in fig. 3).
In some other embodiments, there are two liquid inlet pipes 116, and two liquid inlet pipes 116 are disposed on one side of the cabinet 110 and are communicated with the same sub-chamber 1111 (as shown in fig. 9, the sub-chamber 1111 is not provided with the partition plate 115).
In some embodiments, referring to fig. 3 and 5, the expansion tank 10 further includes a liquid level sensor 140, and the liquid level sensor 140 is disposed in the middle of the tank shell 110 and located in one of the sub-chambers 1111.
The liquid level sensor 140 of the expansion tank 10 is arranged in the middle of the tank shell 110, the liquid level sensor 140 is located in the independent sub-cavity 1111, disturbance of inlet and outlet water to the liquid level sensor 140 can be reduced, and meanwhile the risk of false alarm of the sensor can be reduced under the conditions of liquid level oscillation such as turning, ascending and descending.
Specifically, referring to fig. 1 and 2, a sensor through hole 141 is formed in the case 110 and is communicated with a sub-cavity 1111 for mounting the liquid level sensor 140, and the liquid level sensor 140 is mounted in the sub-cavity 1111 through the sensor through hole 141.
In some embodiments, referring to FIGS. 3 and 5, housing 110 includes a first direction F 1 Two first sidewalls 1101 oppositely arranged and along the second direction F 2 Two second side walls 1102 are oppositely arranged, two first side walls 1101 and two second side walls 1102 enclose an inner cavity, and the first side walls 1101 and the second side walls 1102 are both constructed to be grid-shaped reinforced plate structures, so that the case shell 110 can resist high pressure.
Both longitudinal ends of each first partition 121 are respectively connected to the two second side walls 1102 of the cabinet 110, and both longitudinal ends of each second partition 122 are respectively connected to the two first side walls 1101 of the cabinet 110.
The first and second separators 121, 122 are each constructed as a grid-like stiffener structure, and since the plurality of first separators 121 and the plurality of second separators 122 define a plurality of sub-chambers, the side walls of the sub-chamber 1111 can be made more resistant to high pressure.
In some embodiments, the gas separation port 1201 is provided in an upper portion of the separator plate assembly 120, and specifically, the gas separation port 1201 is also provided in an upper portion of the first separator plate 121, the gas separation port 1201 is also provided in an upper portion of the second separator plate 122, the gas separation port 1201 is also provided in an upper portion of the first separator plate 121, and the gas separation port 1201 is provided in an upper portion of the second separator plate 122, which is not particularly limited herein.
Adjacent two sub-chambers 1111 communicate by means of gas separation port 1201 and/or liquid separation port 1202.
In some embodiments, referring to fig. 9 and 10, when the flow rate of the expansion tank 10 is small and the risk of "water return" is low, the sub-chambers 1111 are sequentially communicated, and two adjacent sub-chambers which are communicated with each other through the liquid separation port 1202, so that the working volume of the expansion tank 10 is large, which is beneficial to performing sufficient gas-liquid separation by using the expansion tank 10. Meanwhile, the case shell 110 is also provided with a filling opening 117 communicated with one sub-cavity 1111. The pressure cap 1141 (without the pressure relief port 114) is disposed on the liquid filling port 117, so that the two caps are integrated, which is beneficial to reducing the cost.
In other embodiments, referring to fig. 1, the housing 110 further has a filling port 117 communicating with one of the sub-chambers 1111, the filling port 117 is plugged with a sealing cap 1171, and the sealing cap 1171 can be opened as required to inject the cooling liquid into the sub-chambers 1111 in the housing 110 through the filling port 117. For example, after the expansion tank 10 is mounted on the vehicle body, the cooling liquid can be injected into the sub-chambers 1111 in the tank shell 110 through the filling opening 117, and the added cooling liquid can also flow out from the outlet 113.
Specifically, the filling opening 117 communicates with the fourth row seventh sub-chamber 1111.
The vehicle that this application embodiment provided, including foretell expansion tank 10, can utilize foretell expansion tank 10 fully to realize gas-liquid separation, avoid appearing the internals cavitation erosion of engine or the engine heat transfer scheduling problem inadequately.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. An expansion tank, characterized by comprising:
a housing having an interior cavity;
a baffle assembly dividing the interior chamber of the cabinet into a plurality of sub-chambers;
the box shell is provided with an inlet communicated with one of the sub-cavities and an outlet communicated with the other sub-cavity;
a plurality of liquid separation openings are formed in the lower portion of the partition plate assembly, and each liquid separation opening is communicated with two adjacent sub-cavities respectively;
the separator assembly is configured to enable fluid within the sub-chamber in communication with the inlet to flow along a predetermined path to the sub-chamber in communication with the outlet by means of the plurality of liquid separation ports, the plurality of sub-chambers being located on the predetermined path.
2. The expansion tank of claim 1, wherein the baffle assembly comprises a plurality of first baffles spaced apart in a first direction within the internal cavity, and a plurality of second baffles spaced apart in a second direction within the internal cavity;
the two longitudinal ends of each first partition plate are respectively connected to the two opposite ends of the box shell along the second direction, and the two longitudinal ends of each second partition plate are respectively connected to the two opposite ends of the box shell along the first direction;
a plurality of said first baffles and a plurality of said second baffles defining a plurality of said subchambers;
the first direction and the second direction are arranged in an angle.
3. The expansion tank of claim 2, wherein the plurality of liquid separation ports includes at least two first liquid separation ports formed in each of the first partition plates and arranged at intervals in the second direction, and at least one second liquid separation port formed in each of the second partition plates;
each first liquid separation port is respectively communicated with two sub-cavities which are adjacently arranged along the first direction;
each second liquid separation port is respectively communicated with two sub-cavities which are adjacently arranged along the second direction;
the sub-chambers communicating with the inlet are located outside the plurality of first separators in the first direction;
the sub-chambers communicating with the outlet are located outside the plurality of second separators in the second direction.
4. The expansion tank according to claim 1, characterized in that said preset paths comprise a first preset path, a second preset path and a third preset path.
5. The expansion tank of claim 1, wherein the plurality of sub-cavities comprises a plurality of first cavities and a plurality of second cavities, the plurality of first cavities semi-surrounding the plurality of second cavities;
said inlet communicating with one of said first chambers and said outlet communicating with the one of said first chambers closest to said second chamber;
the first chamber communicating with the inlet and the first chamber communicating with the outlet communicate with each other through a plurality of the first chambers;
wherein an adjacent first chamber and the second chamber are communicated with each other, and an adjacent two second chambers are communicated with each other;
and the top of the box shell is provided with a pressure relief opening communicated with one of the second chambers.
6. An expansion tank according to claim 5, characterized in that said first chamber and said second chamber communicating with each other are communicated with each other by a siphon;
the siphon extends in the thickness direction of the housing.
7. An expansion tank according to any of claims 1-6, characterized in that the tank shell is provided with a plurality of inlets;
at least one partition plate is arranged in the sub cavity communicated with the inlet, and the sub cavity is divided into a plurality of separation cavities communicated with the inlet in a one-to-one correspondence mode through the at least one partition plate.
8. The expansion tank of claim 7, wherein the baffle assembly comprises a plurality of first baffles extending in a second direction and a plurality of second baffles extending in a first direction;
the two adjacent second partition plates, one first partition plate and the box shell are encircled to form a sub-cavity communicated with the inlet, and two openings communicated with the separation cavities in a one-to-one correspondence mode are formed in the top of the first partition plate.
9. The expansion tank of claim 1, further comprising a liquid level sensor disposed in a middle portion of the tank shell and located in one of the sub-cavities.
10. A vehicle, characterized in that it comprises an expansion vessel according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211011050.0A CN115445330B (en) | 2022-08-23 | 2022-08-23 | Expansion tank and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211011050.0A CN115445330B (en) | 2022-08-23 | 2022-08-23 | Expansion tank and vehicle |
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| CN115445330A true CN115445330A (en) | 2022-12-09 |
| CN115445330B CN115445330B (en) | 2024-03-19 |
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| Publication number | Publication date |
|---|---|
| CN115445330B (en) | 2024-03-19 |
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