CN218912990U

CN218912990U - Curved pipe anti-icing device and vehicle

Info

Publication number: CN218912990U
Application number: CN202223458350.1U
Authority: CN
Inventors: 彭森
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-25
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a curved pipe anti-icing device, which comprises an ice-forming box, wherein the ice-forming box is communicated with Qu Tongguan and is used for collecting liquid in the curved pipe; the air inlet pipe is communicated with the ice-forming box and the air inlet pipe, and the air inlet pipe is communicated with the air inlet of the turbocharger; one end of the siphon is communicated with the air inlet pipe, the other end of the siphon stretches into the ice-making box, and the siphon is used for sucking liquid in the ice-making box into the air inlet pipe. The utility model also provides a vehicle, which comprises the curved pipe anti-icing device. The anti-icing device for the curved pipe and the vehicle can solve the technical problems that in the prior art, the curved pipe in the crankcase is frozen at low temperature and liquid in the ice box is not easy to discharge.

Description

Curved pipe anti-icing device and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a curved pipe anti-icing device and a vehicle.

Background

In the current market, most crankcase ventilation systems of vehicles work in such a way that low-temperature air flow sequentially passes through an air filter and an engine air inlet pipe and then enters an engine, and crankcase vapor air flow automatically passes through a crankcase ventilation pipe (a bent pipe for short) and then enters the engine air inlet pipe.

The region of China is wide, the temperature difference between the north and south is extremely large, and the temperature in northeast and northwest regions is often lower than 40 ℃ below zero. In the natural environment, the crankcase gas coming out of the crankcase ventilation system is accumulated at the junction of the crankcase gas and the air inlet pipe of the air filter in the running process of the vehicle, so that the crankcase is easy to freeze and block the crankcase because of cold and hot air accumulation, thereby increasing the pressure in the crankcase, even causing oil seal leakage, oil seal falling off and damaging the engine, and the consequences are serious.

In order to prevent the curved pipe from being blocked due to icing, a part of vehicle types adopt the technical means of the icing box, the icing risk can be relieved to a certain extent by adopting the icing box scheme, but liquid in the icing box is not easy to discharge, accumulated icing is generated by accumulation of accumulated liquid, and the phenomenon of affecting the curved pipe can occur when the icing is excessive.

From the above, the crank tube in the prior art has the problem that the liquid in the ice box is difficult to discharge due to low-temperature ice formation.

Disclosure of Invention

The utility model aims to provide a crank pipe anti-icing device and a vehicle, which are used for solving the technical problems that in the prior art, a crank pipe in a crank box is frozen at low temperature and liquid in an ice box is not easy to discharge.

To this end, an object of the present utility model is to propose a curved pipe anti-icing device comprising an ice-box communicating with Qu Tongguan for collecting the liquid inside the curved pipe; the air inlet pipe is communicated with the ice-forming box and the air inlet pipe, and the air inlet pipe is communicated with the air inlet of the turbocharger; one end of the siphon is communicated with the air inlet pipe, the other end of the siphon stretches into the ice-making box, and the siphon is used for sucking liquid in the ice-making box into the air inlet pipe.

In an exemplary embodiment, the siphon tube is provided with one or more, and when the siphon tube is provided with a plurality of siphon tubes, the plurality of siphon tubes are arranged at intervals along the circumferential direction of the intake pipe or connected side by side.

In one exemplary embodiment, the siphon tube includes first and second angularly disposed arm segments, at least a portion of the first arm segment extending into the interior of the ice bank and at least a portion of the second arm segment extending into the interior of the air inlet tube.

In one exemplary embodiment, the second arm segment extends towards the turbocharger, the second arm segment extending in the same direction as the air inlet pipe.

In an exemplary embodiment, the extension direction of the first arm segment and the second arm segment is arranged perpendicularly.

In one exemplary embodiment, the end opening of the first arm segment distal from the second arm segment is spaced from the bottom surface of the ice bank to form a liquid passing gap.

In one exemplary embodiment, the first arm segment is disposed obliquely away from an end face of the second arm segment.

In one exemplary embodiment, the siphon tube is integrally formed with or removably connected to the ice bin.

Another object of the present utility model is to provide a vehicle including the curved pipe anti-icing device.

In the utility model, the curved pipe anti-icing device comprises an ice-forming box, an air inlet pipe and a siphon pipe, wherein the ice-forming box is communicated with Qu Tongguan and is used for collecting liquid in the curved pipe, the ice-forming box and/or the curved pipe are communicated with the air inlet pipe, the air inlet pipe is communicated with an air inlet of the turbocharger, one end of the siphon pipe is communicated with the air inlet pipe, the other end of the siphon pipe stretches into the ice-forming box, and the siphon pipe is used for sucking the liquid in the ice-forming box into the air inlet pipe.

From the above, the anti-icing device of the curved pipe of the application is provided with the siphon pipe between the icing box and the air inlet pipe, so that negative pressure exists before the turbocharger when the air supply amount to the turbocharger is increased, the pressure difference is formed at the two ends of the siphon pipe along with the increase of the flow velocity of the air flow in the air inlet pipe, the liquid in the icing box is sucked into the air inlet pipe by the siphon pipe, and then the liquid enters into the turbocharger under the action of the air flow. The utility model discloses a connected mode of siphon utilizes the velocity of flow of the inside of intake pipe to change the technological means that forms pressure differential at the both ends of siphon, realizes transferring the inside liquid of ice cube tray to the inside of turbo charger to realize reducing the inside liquid storage of ice cube tray and collect, avoid the inside liquid of ice cube tray too much, and can not timely exhaust problem.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some of the embodiments described in the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic structural view of a curved pipe anti-icing device of the present utility model;

FIG. 2 shows a schematic structural view of another curved pipe anti-icing device of the present utility model;

FIG. 3 is a schematic view showing the connection relationship between a siphon tube and an ice box according to the present utility model, in which a plurality of siphon tubes are disposed at intervals;

fig. 4 shows a schematic diagram of the connection relationship between the siphon tube and the ice box according to the present utility model, in which a plurality of siphon tubes are connected.

Reference numerals:

10. an air inlet pipe; 20. a siphon tube; 30. an ice-making box; 40. a turbocharger; 50. and communicating pipe.

Detailed Description

Various aspects and features of the present utility model are described herein with reference to the accompanying drawings.

It should be understood that various modifications may be made to the embodiments of the application herein. Therefore, the above description should not be taken as limiting, but merely as exemplification of the embodiments. Other modifications within the scope and spirit of the utility model will occur to persons of ordinary skill in the art.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with a general description of the utility model given above, and the detailed description of the embodiments given below, serve to explain the principles of the utility model.

These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.

It is also to be understood that, although the utility model has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the utility model, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present utility model will become more apparent in light of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present utility model will be described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the utility model, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the utility model in unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not intended to be limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present utility model in virtually any appropriately detailed structure.

Example 1

The embodiment provides a curved pipe anti-icing device, as shown in fig. 1, the curved pipe anti-icing device comprises an ice formation box 30, an air inlet pipe 10 and a siphon pipe 20, wherein the ice formation box 30 is communicated with Qu Tongguan for collecting liquid in the curved pipe, the ice formation box 30 is communicated with the air inlet pipe 10, the air inlet pipe 10 is communicated with an air inlet of a turbocharger 40, one end of the siphon pipe 20 is communicated with the air inlet pipe 10, the other end of the siphon pipe 20 extends into the ice formation box 30, and the siphon pipe 20 is used for sucking the liquid in the ice formation box 30 into the air inlet pipe 10.

Specifically, in the bypass pipe anti-icing device of the present application, by arranging the siphon pipe 20 between the icing box 30 and the air inlet pipe 10, when the air supply amount to the turbocharger 40 increases, negative pressure exists in front of the turbocharger 40, and as the flow speed of the air flow in the air inlet pipe 10 increases, pressure difference is formed at two ends of the siphon pipe 20, so that the siphon pipe 20 sucks the liquid in the ice box 30 into the air inlet pipe 10, and then enters the turbocharger 40 under the action of the air flow. The application adopts siphon 20's connected mode, utilizes the inside velocity of flow change of intake pipe 10 to form the technical means of pressure differential at siphon 20's both ends, realizes the inside liquid transfer to the inside of turbo charger 40 with icing box 30 to the inside liquid storage of the inside of realization reduction icing box 30 avoids icing box 30's inside liquid too much, can not in time discharge, influences the problem of bent pipe after the liquid freezes.

When the intake air amount of the turbocharger 40 is stable, the gas in the crank pipe and the gas in the intake pipe 10 flow stably, and at this time, the siphon pipe 20 does not transfer liquid due to the gravity of the liquid although the turbocharger 40 is at the front of negative pressure, that is, the siphon pipe 20 does not transfer liquid at this time. When the intake demand of the turbocharger 40 increases, for example, when the vehicle is accelerating, the flow rate in the intake pipe 10 increases, and at this time, the negative pressure in front of the turbocharger 40 increases due to the difference in flow rate, the pressure difference generated at both ends of the siphon pipe 20 increases, so that the siphon pipe 20 sucks the liquid in the ice bank 30 into the intake pipe 10, and enters the turbocharger 40 under the action of the air flow.

Further, the siphon tube 20 may be integrally formed with the ice box 30, or may be detachably connected with the ice box 30, and the detachable connection may be adhesive, clamping, or the like.

Of course, the siphon tube 20 may be fixedly connected with the air inlet pipe 10, wherein the fixing connection mode may be bonding, clamping or integral molding.

In the present embodiment, the siphon tube 20 may be provided in one or in plural, and when the siphon tube 20 is provided in plural, as shown in fig. 3, the plural siphon tubes 20 are arranged at intervals along the circumferential direction of the intake pipe 10. In which a plurality of siphon tubes 20 are provided to improve the liquid suction efficiency of the siphon tubes 20.

The structure of the siphon tube 20 is not limited to the above-mentioned structure. As shown in fig. 4, when the siphon tube 20 is provided in plurality, the plurality of siphon tubes 20 are provided side by side and connected in the circumferential direction of the intake pipe 10. Wherein a plurality of siphon tubes 20 are provided to improve the liquid suction efficiency of the siphon tubes 20

As shown in fig. 1, the siphon tube 20 includes a first arm segment and a second arm segment disposed at an angle, at least a portion of the first arm segment extending into the interior of the ice bank 30, and at least a portion of the second arm segment extending into the interior of the air intake tube 10.

Wherein the second arm segment extends in the direction of the turbocharger 40, and the extending direction of the second arm segment is the same as the extending direction of the intake pipe 10.

Specifically, the siphon tube 20 adopts a structure of two arm sections, and adopts a means that the extending direction of the second arm section is the same as the extending direction of the air inlet tube 10, and the opening direction of the second arm section is the same as the flowing direction of the air flow in the air inlet tube 10, so that the liquid is conveniently sucked out and enters the turbocharger 40 under the action of the air flow.

Further, the end opening of the first arm segment remote from the second arm segment is spaced from the bottom surface of the ice bin 30 to form a liquid passing gap, the height of which is 2-5mm. The height of the liquid passing gap may be 2mm, 3mm, 4mm, 5mm, and is disadvantageous to the flow of liquid when the height of the liquid passing gap is less than 2mm, and is disadvantageous to the sufficient suction of the liquid inside the ice bank 30 to the inside of the air intake duct 10 when the height of the liquid passing gap is greater than 5mm.

Further, when the siphon tube 20 is connected with the ice box 30, the first arm segment is clamped or adhered or integrally connected with the ice box 30.

Further, when the siphon tube 20 is connected to the air inlet pipe, the second arm section is clamped or adhered or integrally connected to the air inlet pipe 10.

It should be noted that, the technical means of setting the first arm segment and the bottom surface of the ice box 30 at intervals is not limited, and as shown in fig. 2, the end surface of the first arm segment far away from the second arm segment may be obliquely set to form an inclined surface, so that the liquid inside the ice box 30 is sucked into the first arm segment through the inclined surface.

In the present embodiment, the extending directions of the first arm segment and the second arm segment are arranged vertically.

As shown in fig. 1, the curved pipe anti-icing device further includes a communicating pipe 50, and the ice bank 30 communicates with the intake pipe 10 through the communicating pipe 50.

Further, qu Tongguan is communicated with the ice box 30, and Qu Tongguan, an inner cavity of the ice box 30, the communicating pipe 50 and the air inlet pipe 10 form an air passing channel. So that the liquid in the curved tube can enter the ice box 30 for storage, and the gas in the curved tube can circulate to the air inlet pipe 10.

Among them, the present embodiment provides two embodiments according to the difference in the installation position of the siphon tube 20 of the present application.

In the embodiment shown in fig. 1, at least a portion of siphon tube 20 extends through communication tube 50. I.e., at least a portion of the siphon tube 20 is located inside the communication tube 50.

In a specific embodiment, not shown, siphon tube 20 is provided separately from communication tube 50. That is, the siphon tube 20 is provided separately from the communication tube 50, and the siphon tube 20 is located at an outer region of the communication tube 50.

Example two

The present embodiment provides another kind of the curved pipe ice protection device, unlike the curved pipe ice protection device provided in the first embodiment, in the present embodiment, the curved pipe penetrates the ice bank 30 and the communicating pipe 50 and communicates with the intake pipe 10.

Specifically, a liquid passing hole is provided in a curved pipe located inside the ice bank 30, and liquid in the curved pipe enters the ice bank 30 through the liquid passing hole.

Further, the diameter of the liquid passing hole is 3-5mm, so that liquid can enter the ice box 30.

In the present embodiment, at least a part of the siphon tube 20 is located in the region between the outer wall surface of the communicating tube and the inner wall surface of the communicating tube 50.

Example III

The present embodiment provides a vehicle including the curved pipe anti-icing device provided in the first embodiment or the second embodiment.

It should be noted that the present disclosure does not limit the specific type of the vehicle, and the vehicle may be a car, a business car, a passenger car, or a truck, which is not limited, and may be set by a technician according to actual use conditions.

From the above description, it can be seen that the present embodiment using the novel embodiment achieves the following technical effects:

the utility model provides a curved pipe anti-icing device is through setting up siphon 20 between freezing box 30 and intake pipe 10 to the realization is when the air supply volume to turbo charger 40 increases, and the velocity of flow of the inside of intake pipe 10 increases, and the both ends of siphon 20 form pressure differential, and then realize siphon 20 and inhale the inside liquid of freezing box 30 to the inside of intake pipe 10, then enter into the inside of turbo charger 40 under the effect of air current. The application adopts siphon 20's connected mode, utilizes the inside velocity of flow of intake pipe 10 to change the technological means that forms pressure differential at siphon 20's both ends, realizes the inside liquid transfer to the inside of turbo charger 40 with icing box 30 to the inside liquid storage of the inside of reduction icing box 30 is realized, avoids the inside liquid of icing box 30 too much, can't in time discharge, leads to the problem that influences the bent pipe behind the liquid icing.

In the description of the present utility model, 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. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A curved tube anti-icing device comprising:

an ice bank (30), the ice bank (30) communicating with Qu Tongguan for collecting liquid from the interior of the curved tube;

an air inlet pipe (10), wherein the icing box (30) is communicated with the air inlet pipe (10), and the air inlet pipe (10) is communicated with an air inlet of a turbocharger (40);

and one end of the siphon (20) is communicated with the air inlet pipe (10), the other end of the siphon (20) stretches into the icing box (30), and the siphon (20) is used for sucking liquid in the icing box (30) into the air inlet pipe (10).

2. The device according to claim 1, wherein one or more siphon tubes (20) are provided, and when a plurality of siphon tubes (20) are provided, a plurality of siphon tubes (20) are arranged at intervals or in parallel connection along the circumferential direction of the intake pipe (10).

3. The device according to claim 1, wherein the siphon tube (20) comprises a first arm segment and a second arm segment arranged at an angle, at least a portion of the first arm segment extending into the interior of the ice bin (30), at least a portion of the second arm segment extending into the interior of the air inlet tube (10).

4. A device according to claim 3, characterized in that the second arm segment extends towards the turbocharger (40), the second arm segment extending in the same direction as the air inlet pipe (10).

5. A curved tube anti-icing device according to claim 3, characterised in that the extension direction of said first arm segment and said second arm segment is arranged vertically.

6. A curved pipe ice protection device according to claim 3, wherein,

the end opening of the first arm segment, which is far away from the second arm segment, is arranged at intervals with the bottom surface of the icing box (30) so as to form a liquid passing gap.

7. A curved tube anti-icing device according to claim 3, characterized in that said first arm segment is arranged inclined away from the end face of said second arm segment.

8. A curved pipe ice protection device according to claim 3, wherein,

the siphon pipe (20) and the icing box (30) are integrally formed; or alternatively

The siphon (20) is detachably connected with the ice box (30).

9. A vehicle comprising a curved tube anti-icing device according to any of claims 1 to 8.