阅读说明：本技术 一种膨胀水箱、冷却系统和车辆 (Expansion tank, cooling system and vehicle ) 是由 李万龙 于 2020-06-22 设计创作，主要内容包括：本发明提供一种膨胀水箱、冷却系统和车辆,膨胀水箱包括：箱盖、外壳以及隔板。其中,外壳上顶部设有除气口,外壳内限定形成腔室,箱盖盖合在腔室上；隔板设置在腔室内,并将腔室分隔为至少一个气腔和至少一个液腔,除气口与气腔连通,隔板底部设有连通气腔和液腔的连接孔。通过隔板将腔室分成较为独立的气腔和液腔,液腔和气腔通过连接孔连通,这种结构便于将冷却液和冷却液气体进行充分隔离冷却,提高气液分离效果。此外,气腔内液位为常满状态,保证膨胀水箱的最高液位线的高度与除气口高度一致。不仅如此,隔板还能够有效加强膨胀水箱的整体强度,提高膨胀水箱的耐压强度。(The invention provides an expansion tank, a cooling system and a vehicle, wherein the expansion tank comprises: case lid, shell and baffle. Wherein, the top of the shell is provided with an air removal port, a cavity is limited in the shell, and the box cover covers the cavity; the baffle sets up in the cavity to separate the cavity into at least one air cavity and at least one sap cavity, remove gas port and air cavity intercommunication, the baffle bottom is equipped with the connecting hole that communicates air cavity and sap cavity. Divide into comparatively independent air cavity and sap cavity with the cavity through the baffle, the sap cavity passes through the connecting hole intercommunication with the air cavity, and this kind of structure is convenient for carry out abundant isolation cooling with coolant liquid and coolant liquid gas, improves the gas-liquid separation effect. In addition, the liquid level in the air cavity is in a normally full state, and the height of the highest liquid level line of the expansion water tank is ensured to be consistent with the height of the degassing port. Moreover, the baffle can also effectively strengthen expansion tank's bulk strength, improves expansion tank's compressive strength.)

1. An expansion tank, characterized by comprising:

a box cover;

the top of the shell is provided with an air removal port, a cavity is defined in the shell, and the box cover covers the cavity;

the baffle plate is arranged in the cavity and divides the cavity into at least one air cavity and at least one liquid cavity, the air removal port is communicated with the air cavity, and a connecting hole for communicating the air cavity and the liquid cavity is formed in the bottom of the baffle plate.

2. The expansion tank as claimed in claim 1, further comprising: and the exhaust valve is arranged on the shell and is communicated with the air cavity.

3. The expansion tank as claimed in claim 1, wherein the bottom of the housing is further provided with a fluid infusion port, and the fluid infusion port is communicated with the fluid chamber.

4. The expansion tank as claimed in claim 1, further comprising: and the pressure regulating valve is arranged in the box cover and used for measuring the pressure in the cavity.

5. The expansion tank as claimed in claim 1, wherein a liquid level line is provided at an outer side of the outer casing; the shell is made of a light-transmitting material.

6. The expansion tank as claimed in claim 1, further comprising: and one end of the two ends of the mounting part is fixed on the outer side of the shell, and the other end of the two ends of the mounting part is a free end which extends along the circumferential direction of the shell and forms a clamping groove with the shell.

7. The expansion tank as claimed in claim 6, wherein said mounting members are two in number, and said free ends of said two mounting members are disposed opposite to each other.

8. The expansion tank as claimed in any one of claims 1 to 7, wherein the housing comprises: the upper shell and the lower shell, the junction that the upper shell with the lower shell is relative is equipped with convex first outer fringe, the lower shell with the junction that the upper shell is relative is equipped with convex second outer fringe.

9. A cooling system, comprising:

a radiator of the engine; and

the expansion tank of any one of claims 1 to 8, the radiator being in communication with the degassing port, the degassing port having a height greater than a height of a highest liquid level within the radiator.

10. A vehicle, characterized by comprising:

a stent, and

the cooling system of claim 9 wherein the expansion tank is mounted to the bracket.

Technical Field

The invention relates to the field of vehicles, in particular to an expansion water tank, a cooling system and a vehicle.

Background

Along with the continuous innovation and change of vehicle engine technology, the demand of an engine on a vehicle cooling system is higher and higher, when the vehicle cooling system adopts a high-level sealed radiator, a low-level expansion water tank is required to be additionally arranged at a proper position of a whole vehicle, the expansion water tank has the main function of providing a proper expansion space for cooling liquid of the cooling system, air accumulated in the cooling system and water vapor generated by the engine at high temperature are removed in time when the engine works normally, and meanwhile, the water supplementing function of the cooling system is met, so that the heat dissipation function of the radiator is utilized more effectively, and the cooling efficiency of the whole vehicle cooling system is improved. At present, due to design defects, the overall reliability and the gas-liquid separation effect of the expansion water tank are all to be improved.

Disclosure of Invention

In view of the above, the invention provides an expansion tank, a cooling system and a vehicle.

In order to solve the technical problems, the invention adopts the following technical scheme:

an expansion tank according to an embodiment of a first aspect of the present invention includes:

a box cover;

the top of the shell is provided with an air removal port, a cavity is defined in the shell, and the box cover covers the cavity;

the baffle plate is arranged in the cavity and divides the cavity into at least one air cavity and at least one liquid cavity, the air removal port is communicated with the air cavity, and the baffle plate is provided with a connecting hole for communicating the air cavity and the liquid cavity.

Further, the expansion tank further comprises: and the exhaust valve is arranged on the shell and is communicated with the air cavity.

Furthermore, the bottom of the shell is also provided with a liquid supplementing port, and the liquid supplementing port is communicated with the liquid cavity.

Further, the expansion tank further comprises: and the pressure regulating valve is arranged in the box cover and used for measuring the pressure in the cavity.

Further, a liquid level line is arranged on the outer side of the shell;

the shell is made of a light-transmitting material.

Further, the expansion tank further comprises: and one end of the two ends of the mounting part is fixed on the outer side of the shell, and the other end of the two ends of the mounting part is a free end which extends along the circumferential direction of the shell and forms a clamping groove with the shell.

Further, the number of the mounting parts is two, and the free ends of the two mounting parts are arranged oppositely.

Further, the housing includes: the upper shell and the lower shell, the junction that the upper shell with the lower shell is relative is equipped with convex first outer fringe, the lower shell with the junction that the upper shell is relative is equipped with convex second outer fringe.

A cooling system according to an embodiment of the second aspect of the invention includes:

a radiator of the engine; and

in the expansion tank of any of the above embodiments, the radiator is communicated with the degassing port, and the height of the degassing port is greater than the height of the highest liquid level in the radiator.

According to a vehicle of an embodiment of a third aspect of the invention, comprising:

a stent, and

the cooling system of any preceding embodiment, wherein the expansion tank is mounted to the support.

The technical scheme of the invention has the following beneficial effects:

in the embodiment of the invention, the cavity is divided into the independent air cavity and the liquid cavity by the partition plate, and the liquid cavity is communicated with the air cavity through the connecting hole, so that the structure is convenient for fully isolating and cooling the cooling liquid and the cooling liquid gas, and the gas-liquid separation effect is improved. In addition, the liquid level in the air cavity is in a normally full state, and the height of the highest liquid level line of the expansion water tank is ensured to be consistent with the height of the degassing port. Moreover, the baffle can also effectively strengthen expansion tank's bulk strength, improves expansion tank's compressive strength.

Drawings

FIG. 1 is a schematic diagram of an external structure of an expansion tank in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of an expansion tank according to an embodiment of the present invention;

FIG. 3 is a second schematic view of a partial structure of an expansion tank according to an embodiment of the present invention;

FIG. 4 is a third schematic view of a partial structure of an expansion tank according to an embodiment of the present invention;

fig. 5 is a schematic structural view illustrating the expansion tank and the bracket when they are coupled together according to the embodiment of the present invention.

Reference numerals

A housing 110; an upper case 111; a first outer edge 1111; a lower case 112; a second outer edge 1121; a gas removal port 113; an exhaust valve 114; an air cavity 115; a fluid chamber 116; a case cover 120; a mount 130; a reinforcing rib 131; a card slot 140; a liquid level line 150; a fluid infusion port 160; a partition 170; a connection hole 171; a support 200.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

An expansion tank according to an embodiment of the first aspect of the present invention will be described first in detail with reference to the accompanying drawings.

The expansion tank of the embodiment of the invention comprises: a cover 120, a housing 110, and a partition 170. Wherein, the top of the shell 110 is provided with an air removal port 113, a cavity is defined in the shell 110, and the box cover 120 covers the cavity; the partition plate 170 is disposed in the chamber and divides the chamber into at least one air chamber 115 and at least one liquid chamber 116, the degassing port 113 is communicated with the air chamber 115, and a connecting hole 171 communicating the air chamber 115 and the liquid chamber 116 is provided at the bottom of the partition plate 170.

As shown in fig. 1 to 5, the chamber is divided into the air chamber 115 and the liquid chamber 116 by the partition plate 170, the liquid chamber 116 is communicated with the air chamber 115 through the connecting hole 171, and the structure facilitates sufficient isolation and cooling of the cooling liquid and the cooling liquid gas, thereby improving the gas-liquid separation effect. In addition, the liquid level in the air cavity is in a full state, so that the height of the highest liquid level line of the expansion water tank is ensured to be consistent with the height of the degassing port 113. Moreover, the partition plate 170 can effectively enhance the overall strength of the expansion tank and improve the compressive strength of the expansion tank.

Without limitation, the housing 110 includes: an upper case 111 and a lower case 112, a cover 120 is mounted on top of the upper case 111, and the upper case 111 is mounted on top of the lower case 112. As shown in fig. 1 to 5, the expansion tank is divided into an upper tank corresponding to the upper case 111 and a lower tank corresponding to the lower case 112 by providing the upper case 111 and the lower case 112.

The material of the outer shell 110 is plastic, such as polypropylene (PP), and the expansion tank made of the material has good transparency, excellent high and low temperature resistance, strong corrosion resistance to cooling liquid, can meet the requirement of being used in an environment at a temperature of-40 ℃ to 130 ℃, and is not easy to change color.

In some embodiments of the invention, the expansion tank further comprises: and an exhaust valve 114, the exhaust valve 114 being installed on the housing 110 and communicating with the air chamber 115.

As shown in fig. 1 and 5, the discharge valve 114 is generally disposed at the highest point of the air chamber 115 for filling with the coolant. For example, when the coolant needs to be filled, the exhaust valve 114 is opened, and the air in the air chamber 115 is exhausted to the atmosphere along with the addition of the coolant, which helps to improve the filling rate of the ordinary filling.

In some embodiments of the present invention, the bottom of the housing 110 is further provided with a fluid infusion port 160, and the fluid infusion port 160 is communicated with the fluid chamber 116.

The fluid replenishment port 160 is generally provided at the lowest position of the expansion tank, and the fluid replenishment port 160 can replenish the engine radiator with water.

In some embodiments of the invention, the expansion tank further comprises: a pressure regulating valve is provided in the tank cover 120, and the pressure regulating valve is used to measure the pressure in the chamber.

Specifically, the pressure regulating valve is a positive pressure regulating valve and a negative pressure regulating valve, the pressure regulating valve is regulated through the telescopic deformation of the pressure spring, the pressure cover can be regulated to be opened or closed under different pressures through changing the telescopic deformation of the spring, and the universality is good. When the pressure generated by the gas and liquid in the chamber in the outer shell 110 is greater than the preset pressure, for example, the preset pressure is 1 to expand the tank cover 120 (i.e., the opening pressure of the low expansion tank is 110kPa), and when the pressure generated by the gas and liquid in the chamber is greater than the preset pressure, the tank cover 120 is opened to release the pressure, thereby improving the safety.

The expansion water tank of the embodiment of the invention meets the requirement of different pressure opening values of cooling systems of different vehicle types by using the opening pressure of the positive and negative pressure spring of the pressure regulating valve in the regulating tank cover 120.

In some embodiments of the present invention, a fluid level line 150 is disposed on the outside of the housing 110.

As shown in fig. 1 and 5, the outer wall of the housing 110 is provided with a highest liquid level line MAX and a lowest liquid level line MIN, and further, a clear arrow is provided near the liquid level line to enhance the indication effect. In this case, the material of the casing 110 is preferably a light-transmitting material, such as polypropylene, which allows the observer to observe the liquid level in the chamber from the outside for indication.

In some embodiments of the invention, the expansion tank further comprises: at least one mounting member 130, one of two ends of the mounting member 130 is fixed on the outer side of the outer shell 110, and the other end is a free end which extends along the circumference of the outer shell 110 and forms a clamping groove 140 with the outer shell 110.

Without limitation, as shown in fig. 1, the mounting member 130 may be integrally formed with the housing 110, and the mounting member 130 has a plurality of ribs 131 coupled to the housing 110 in order to secure strength at the time of mounting. The expansion water tank can be installed through the clamping groove 140, for example, the expansion water tank is connected to the corresponding fixing support 200 in an inserting mode through the clamping groove 140, arrangement and installation of the expansion water tank in the cabin are facilitated, and universality of similar vehicle types is met through the design of a universal platform.

Without limitation, as shown in fig. 1, 2 and 5, the number of mounting members 130 is two, and the free ends of the two mounting members 130 are disposed opposite to each other.

In some embodiments of the present invention, housing 110 comprises: the upper shell 111 and the lower shell 112, a convex first outer edge 1111 is arranged at the joint of the upper shell 111 and the lower shell 112, and a convex second outer edge 1121 is arranged at the joint of the lower shell 112 and the upper shell 111.

The shell 110 has a structure of an upper shell and a lower shell, which is convenient for processing, manufacturing and assembling, and the protruding first outer edge 1111 and the protruding second outer edge 1121 are arranged to facilitate welding the upper shell and the lower shell together by using a hot plate welding technique.

An embodiment of the second aspect of the present invention provides a cooling system, including: the radiator of the engine and the expansion tank of any one of the above embodiments, the radiator is communicated with the degassing port 113, and the height of the degassing port 113 is greater than the height of the highest liquid level in the radiator.

The existing expansion water tanks are all high-level expansion water tanks, and the high-level expansion water tanks realize the functions of filling, degassing and water replenishing of a cooling system by utilizing the pressure generated by the height difference between the liquid in the high-level expansion water tanks and the highest point of an engine radiator through the height advantage of the arrangement of the expansion water tanks. However, due to the influence of the space arrangement of the cabin in the vehicle, the highest point of the engine water radiator has a problem of higher position, so that the traditional high-position expansion water tank is not enough to be arranged, and in such a case, the low-position expansion water tank needs to be arranged, so that the requirement of low-position installation can be met on the premise of having the functions of degassing and water supplementing.

In the embodiment of the invention, the low-level expansion water tank is arranged by making the height of the degassing port 113 higher than the highest point of the engine radiator, so that the requirement of low-level installation can be met on the premise of having degassing and water supplementing functions, and the low-level expansion water tank is simple in structural design, convenient and fast to install, high in reliability and good in universality.

An embodiment of a third aspect of the invention provides a vehicle comprising: the support 200, and the cooling system according to any of the above embodiments, the expansion tank is mounted on the support 200.

As shown in fig. 1, 2 and 5, the upper part of the bracket 200 is inserted into the slot 140 to complete the fixation with the expansion tank, and the connection mode is simple, convenient, fast and reliable.

The vehicle according to the embodiment of the invention comprises the expansion tank according to the embodiment, and because the expansion tank according to the embodiment of the invention has the technical effects, the vehicle according to the embodiment of the invention also has the corresponding technical effects that the chamber is divided into the air cavity 115 and the liquid cavity 116 which are relatively independent through the partition plate 170, and the liquid cavity 116 and the air cavity 115 are communicated through the connecting hole 171, so that the structure is convenient for fully isolating and cooling the cooling liquid and the cooling liquid gas, and the gas-liquid separation effect is improved. In addition, the liquid level in the air cavity is in a normally full state, and the height of the highest liquid level line of the expansion water tank is ensured to be consistent with the height of the degassing port. Moreover, the partition plate 170 can effectively enhance the overall strength of the expansion tank and improve the compressive strength of the expansion tank.

Other structures and operations of the vehicle according to the embodiment of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.