Full-flow expansion jug and cooling system

Abstract

The application relates to a full-flow expansion water kettle and a cooling system, the full-flow expansion water kettle comprising a kettle body and a channel partition plate, the kettle body being provided with a containing cavity and an inflow port and a liquid outlet at two ends of the containing cavity, the containing cavity being provided with cooling liquid, the inflow port being arranged above the liquid level of the cooling liquid, and the liquid outlet being arranged below the liquid level of the cooling liquid. One end of the channel partition plate is connected to the inner wall of the containing cavity, the other end of the channel partition plate is continuously bent in the containing cavity to form a spiral-shaped gas-liquid separation channel, and the gas-liquid separation channel is communicated with the inflow port. The upper end of the channel partition plate extends above the liquid level of the cooling liquid and extends towards the top of the containing cavity, and the top of the gas-liquid separation channel is communicated with the containing cavity above the liquid level of the cooling liquid; the lower end of the channel partition plate extends below the liquid level of the cooling liquid and extends towards the bottom of the containing cavity, and the bottom of the gas-liquid separation channel is communicated with the containing cavity below the liquid level of the cooling liquid. The full-flow expansion water kettle and the cooling system provided by the application solve the problem of low exhaust efficiency of the expansion water kettle.

Description

Technical Field

[0001] This application relates to the field of expansion kettle technology, and in particular to a full-flow expansion kettle and cooling system. Background Technology

[0002] An expansion tank, also known as a coolant reservoir, is a component of a car's cooling system. When the engine is running, the coolant circulates continuously within the cooling system. When the coolant level is low or there is gas in the coolant, the cooling system can replenish the coolant through the expansion tank, or the gas in the coolant can be expelled through the expansion tank.

[0003] Typically, cooling systems have a bypass branch connecting to the expansion tank, allowing some coolant to enter the expansion tank and the cooling system through the bypass branch. However, the flow rate of the bypass branch usually accounts for less than 50% of the cooling system flow rate. Therefore, with this configuration, the venting efficiency of the expansion tank is low, and the coolant often cannot completely expel the gas within the coolant even after multiple circulations within the cooling system. Summary of the Invention

[0004] Therefore, it is necessary to provide a full-flow expansion tank and cooling system to solve the problem of low exhaust efficiency of existing expansion tanks.

[0005] The full-flow expansion tank provided in this application includes a tank body and a channel baffle. The tank body has a receiving cavity and inlet and outlet located at both ends of the receiving cavity. Coolant is contained in the receiving cavity, with the inlet located above the coolant surface and the outlet located below the coolant surface. One end of the channel baffle is connected to the inner wall of the receiving cavity, and the other end is continuously bent within the receiving cavity to form a spiral gas-liquid separation channel, which connects to the inlet so that coolant can enter the gas-liquid separation channel through the inlet. The upper end of the channel baffle extends above the coolant surface and toward the top of the receiving cavity, and the top of the gas-liquid separation channel connects to the receiving cavity located above the coolant surface; the lower end of the channel baffle extends below the coolant surface and toward the bottom of the receiving cavity, and the bottom of the gas-liquid separation channel connects to the receiving cavity located below the coolant surface.

[0006] In one embodiment, a channel partition is connected to the top wall of the receiving cavity, and the upper end of the channel partition is provided with an outlet communicating with the receiving cavity.

[0007] In one embodiment, multiple outlets are spaced apart along a spiral gas-liquid separation channel.

[0008] In one embodiment, the spacing between adjacent outlets decreases from the end closest to the inlet to the end furthest from the inlet.

[0009] In one embodiment, the inner wall surface of the channel partition near the gas-liquid separation channel is a vertically curved surface.

[0010] In one embodiment, the outlet is located at the end of the receiving cavity away from the inlet.

[0011] In one embodiment, the vessel body includes an upper shell and a lower shell. The upper shell is sealed above the lower shell and forms a receiving cavity with the lower shell. A channel partition is connected to the inner wall of the upper shell. The inlet is located in the upper shell and the outlet is located in the lower shell.

[0012] In one embodiment, the top of the upper housing is provided with a liquid replenishment and venting port, which can connect to the receiving cavity.

[0013] In one embodiment, the full-flow expansion kettle further includes an inlet pipe and an outlet pipe. The inlet pipe is connected to the outer wall of the upper housing and communicates with the inlet port, while the outlet pipe is connected to the outer wall of the lower housing and communicates with the outlet port.

[0014] This application also provides a cooling system comprising the full-flow expansion kettle described in any of the above embodiments.

[0015] Compared to existing technologies, the full-flow expansion tank and cooling system provided in this application allow coolant to enter the gas-liquid separation channel from the inlet because the gas-liquid separation channel is connected to the inlet. Furthermore, because the gas-liquid separation channel is spiral-shaped, the coolant mixed with gas can move spirally within the channel, thus separating the gas and coolant under centrifugal force. Moreover, since the top of the gas-liquid separation channel is connected to a receiving cavity above the coolant surface, and the bottom of the gas-liquid separation channel is connected to a receiving cavity below the coolant surface, less dense gas can escape from the top of the gas-liquid separation cavity and enter the receiving cavity, while denser coolant can enter the receiving cavity from the bottom of the gas-liquid separation cavity under gravity and flow out of the receiving cavity from the outlet.

[0016] As can be seen from the above, with this configuration, under the action of centrifugal force, the coolant first passes through the spiral gas-liquid separation channel to initially separate the gas and coolant. Then, under the action of gravity, the gas and coolant leave the gas-liquid separation channel from different ends, so that the gas in the coolant is completely separated. Compared with the need for multiple cycles to discharge the gas in the coolant using a bypass branch, the expansion tank provided in this application can completely discharge the gas in the coolant in one cycle, which greatly improves the venting efficiency of the expansion tank.

[0017] Furthermore, the expansion tank provided in this application does not require a separate vent pipe, greatly simplifying the structural complexity of the expansion tank and saving assembly space. Moreover, the expansion tank directly vents through the deflected venting channel, effectively reducing the flow resistance of the coolant as it passes through the expansion tank, decreasing the noise of the coolant passing through the expansion tank, and improving the venting stability of the expansion tank. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the structure of a full-flow expansion kettle according to an embodiment of this application;

[0020] Figure 2 A cross-sectional view of a full-flow expansion kettle provided in this application;

[0021] Figure 3 An exploded view of a full-flow expansion kettle according to an embodiment of this application.

[0022] Reference numerals: 100, vessel body; 110, upper shell; 111, minimum liquid level mark; 112, maximum liquid level mark; 113, replenishment and venting port; 120, lower shell; 130, receiving cavity; 131, inlet; 132, outlet; 200, channel partition; 210, gas-liquid separation channel; 220, outlet; 310, inlet pipe; 320, outlet pipe. Detailed Implementation

[0023] In the description of this application, it should 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", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0026] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] An expansion tank, also known as a coolant reservoir, is a component of a car's cooling system. When the engine is running, the coolant circulates continuously within the cooling system. When the coolant level is low or there is gas in the coolant, the cooling system can replenish the coolant through the expansion tank, or the gas in the coolant can be expelled through the expansion tank.

[0030] Typically, cooling systems have a bypass branch connecting to the expansion tank, allowing some coolant to enter the expansion tank and the cooling system through the bypass branch. However, the flow rate of the bypass branch usually accounts for less than 50% of the cooling system flow rate. Therefore, with this configuration, the venting efficiency of the expansion tank is low, and the coolant often cannot completely expel the gas within the coolant even after multiple circulations within the cooling system.

[0031] Please see Figures 1-3 To address the problem of low venting efficiency in existing expansion tanks, this application provides a full-flow expansion tank. The full-flow expansion tank includes a tank body 100 and a channel partition 200. The tank body 100 has a receiving cavity 130 and an inlet 131 and an outlet 132 located at both ends of the receiving cavity 130. Coolant is contained in the receiving cavity 130. The inlet 131 is located above the coolant surface, and the outlet 132 is located below the coolant surface.

[0032] One end of the channel baffle 200 is connected to the inner wall of the receiving cavity 130, and the other end is continuously bent within the receiving cavity 130 to form a spiral gas-liquid separation channel 210. The gas-liquid separation channel 210 is connected to the inlet 131 so that coolant can enter the gas-liquid separation channel 210 through the inlet 131. The upper end of the channel baffle 200 extends above the surface of the coolant and toward the top of the receiving cavity 130, and the top of the gas-liquid separation channel 210 is connected to the receiving cavity 130 located above the surface of the coolant. The lower end of the channel baffle 200 extends below the surface of the coolant and toward the bottom of the receiving cavity 130, and the bottom of the gas-liquid separation channel 210 is connected to the receiving cavity 130 located below the surface of the coolant.

[0033] It should be noted that a full-flow expansion tank refers to an expansion tank in which all coolant can undergo gas-liquid separation through the gas-liquid separation channel 210, rather than an expansion tank in which only a portion of the coolant undergoes gas-liquid separation through a side channel.

[0034] Since the gas-liquid separation channel 210 is connected to the inlet 131, coolant can enter the gas-liquid separation channel 210 from the inlet 131. Furthermore, because the gas-liquid separation channel 210 is spiral-shaped, the coolant mixed with gas can spiral forward within the gas-liquid separation channel 210, thus separating the gas and coolant under centrifugal force. Further, since the top of the gas-liquid separation channel 210 is connected to the receiving cavity 130 located above the coolant surface, and the bottom of the gas-liquid separation channel 210 is connected to the receiving cavity 130 located below the coolant surface, the less dense gas can escape from the top of the gas-liquid separation chamber and enter the receiving cavity 130, while the more dense coolant can enter the receiving cavity 130 from the bottom of the gas-liquid separation chamber under gravity and flow out of the receiving cavity 130 from the outlet 132.

[0035] As can be seen from the above, with this configuration, under the action of centrifugal force, the coolant first passes through the spiral gas-liquid separation channel 210 to initially separate the gas and coolant. Then, under the action of gravity, the gas and coolant leave the gas-liquid separation channel 210 from different ends, so that the gas in the coolant is completely separated. Compared with the need for multiple cycles to discharge the gas in the coolant using a bypass branch, the full-flow expansion tank provided in this application can completely discharge the gas in the coolant in one cycle, which greatly improves the exhaust efficiency of the full-flow expansion tank.

[0036] Furthermore, the full-flow expansion tank provided in this application eliminates the need for a separate vent pipe, significantly simplifying its structural complexity and saving assembly space. Moreover, the full-flow expansion tank vents directly through the deflected venting channel, effectively reducing the flow resistance of the coolant as it passes through, decreasing noise, and improving venting stability.

[0037] To facilitate the injection of coolant into the receiving cavity 130, in one embodiment, such as Figure 1 As shown, the surface of the vessel body 100 is provided with a minimum liquid level mark line 111 and a maximum liquid level mark line 112. The liquid level of the coolant in the receiving cavity 130 is always between the minimum liquid level mark line 111 and the maximum liquid level mark line 112. Furthermore, the height of the top of the gas-liquid separation channel 210 is always higher than the maximum liquid level mark line 112, and the bottom of the gas-liquid separation channel 210 is always lower than the minimum liquid level mark line 111.

[0038] To facilitate the outflow of coolant from the receiving cavity 130, in one embodiment, such as Figures 1-3 As shown, the outlet 132 is located at the end of the receiving cavity 130 away from the inlet 131.

[0039] In one embodiment, such as Figure 2 and Figure 3 As shown, the inner wall surface of the channel partition 200 near the gas-liquid separation channel 210 is a vertically curved surface.

[0040] This helps to accelerate the separation rate of gas and coolant.

[0041] In one embodiment, such as Figure 2 and Figure 3 As shown, the channel partition 200 is connected to the top wall of the receiving cavity 130, and the upper end of the channel partition 200 is provided with an outlet 220 that communicates with the receiving cavity 130.

[0042] This improves the connection strength between the channel partition 200 and the pot body 100.

[0043] Furthermore, in one embodiment, as Figure 2 and Figure 3 As shown, multiple outlets 220 are spaced apart along the spiral gas-liquid separation channel 210.

[0044] This configuration facilitates the escape of gas from the gas-liquid separation channel 210.

[0045] Furthermore, in one embodiment, the spacing between adjacent outlets 220 tends to decrease from the end closest to the inlet 131 to the end furthest from the inlet 131.

[0046] Understandably, when the coolant first enters the gas-liquid separation channel 210, the coolant and gas are not completely separated, and the coolant flow rate is extremely high. Therefore, setting a larger distance between adjacent outlets 220 helps prevent the coolant from leaving the gas-liquid separation channel 210 directly into the receiving cavity 130 from the outlet 220, thus avoiding affecting the gas-liquid separation effect of the coolant. As the coolant continues to flow in the gas-liquid separation channel 210, the gas and coolant gradually separate, and under the action of gravity, the height of the coolant gradually decreases. At this time, setting a smaller distance between adjacent outlets 220 allows the gas to leave the gas-liquid separation channel 210 from the outlet 220 in a timely manner.

[0047] However, this is not the only embodiment. In other embodiments, the spacing between adjacent outlets 220 may also be fixed.

[0048] In one embodiment, such as Figures 1-3 As shown, the vessel body 100 includes an upper shell 110 and a lower shell 120. The upper shell 110 is sealed above the lower shell 120 and forms a receiving cavity 130 with the lower shell 120. The channel partition 200 is connected to the inner wall of the upper shell 110. The inlet 131 is located in the upper shell 110 and the outlet 132 is located in the lower shell 120.

[0049] This design reduces the difficulty of setting up the channel partition 200 inside the receiving cavity 130, thereby reducing the processing difficulty of the entire full-flow expansion kettle.

[0050] Specifically, in one embodiment, the upper housing 110 and the lower housing 120 may be snap-fitted, welded, or connected by fasteners.

[0051] Furthermore, in one embodiment, as Figure 1 and Figure 2 As shown, the top of the upper housing 110 is provided with a liquid replenishment and venting port 113, which can be connected to the receiving cavity 130.

[0052] In this way, coolant can be added to the receiving cavity 130 through the coolant replenishment and exhaust port 113, and gas can also escape from the receiving cavity 130 through the coolant replenishment and exhaust port 113.

[0053] In one embodiment, such as Figures 1-3 As shown, the full-flow expansion kettle also includes an inlet pipe 310 and an outlet pipe 320. The inlet pipe 310 is connected to the outer wall of the upper housing 110 and communicates with the inlet port 131. The outlet pipe 320 is connected to the outer wall of the lower housing 120 and communicates with the outlet port 132.

[0054] This facilitates the integration of the full-flow expansion tank into the entire cooling system.

[0055] This application also provides a cooling system comprising the full-flow expansion kettle described in any of the above embodiments.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A full-flow expansion kettle characterized by, The kettle body (100) is provided with a containing cavity (130) and an inflow port (131) and a liquid outlet (132) arranged at both ends of the containing cavity (130), and the containing cavity (130) is provided with cooling liquid, the inflow port (131) is arranged above the liquid level of the cooling liquid, and the liquid outlet (132) is arranged below the liquid level of the cooling liquid; One end of the channel partition plate (200) is connected to the inner wall of the containing cavity (130), the other end is continuously curved in the containing cavity (130) to form a spiral gas-liquid separation channel (210), and the gas-liquid separation channel (210) is communicated with the inflow port (131), so that the cooling liquid can enter the gas-liquid separation channel (210) through the inflow port (131); and the cooling liquid mixed with gas can advance in the gas-liquid separation channel (210) in an inner spiral manner; The upper end of the channel partition plate (200) extends above the liquid level of the cooling liquid and extends towards the top of the containing cavity (130), and the top of the gas-liquid separation channel (210) is communicated with the containing cavity (130) above the liquid level of the cooling liquid; the lower end of the channel partition plate (200) extends below the liquid level of the cooling liquid and extends towards the bottom of the containing cavity (130), and the bottom of the gas-liquid separation channel (210) is communicated with the containing cavity (130) below the liquid level of the cooling liquid; The channel partition plate (200) is connected to the top wall of the containing cavity (130), and the upper end of the channel partition plate (200) is provided with an escape port (220) communicated with the containing cavity (130); A plurality of escape ports (220) are arranged at intervals along the spiral gas-liquid separation channel (210); From one end close to the inflow port (131) to one end away from the inflow port (131), the spacing between adjacent escape ports (220) shows a decreasing trend.

2. The full-flow expansion jug of claim 1, wherein, The inner wall surface of the channel partition plate (200) close to the gas-liquid separation channel (210) is a vertically arranged curved surface.

3. The full-flow expansion jug of claim 1, wherein, The liquid outlet (132) is arranged at one end of the containing cavity (130) away from the inflow port (131).

4. The full-flow expansion jug of claim 1, wherein, The kettle body (100) comprises an upper shell (110) and a lower shell (120), the upper shell (110) is sealingly connected above the lower shell (120) and forms the containing cavity (130) with the lower shell (120), and the channel partition plate (200) is connected to the inner wall of the upper shell (110), the inflow port (131) is arranged on the upper shell (110), and the liquid outlet (132) is arranged on the lower shell (120).

5. The full-flow expansion jug of claim 4, wherein, The top of the upper shell (110) is provided with a liquid supplementing and air exhausting port (113), which can communicate with the containing cavity (130).

6. The full-flow expansion jug of claim 4, wherein, Further comprising an inflow pipe (310) connected to the outer wall of the upper shell (110) and communicating with the inflow port (131), and an outflow pipe (320) connected to the outer wall of the lower shell (120) and communicating with the outflow port (132).

7. A cooling system characterized by, The full-flow expansion kettle comprises the full-flow expansion kettle according to any one of claims 1-6.

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