CN220505405U - Volute casing and vehicle air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioners, in particular to a volute and a vehicle-mounted air conditioner, and aims to solve the technical problem that when condensate water is discharged from the inside of the volute to the outside of the volute through a water outlet, outside air is blown into the inside of the volute through the water outlet. For this purpose, the utility model provides a volute comprising a floor and a drain. The drainage portion sets up in the bottom plate, and the drainage portion is provided with the water inlet and the outlet that are linked together, and the drainage portion includes first trap main part and second trap main part, and first trap main part is located the bottom of drainage portion, and second trap main part is located the top of drainage portion, and the one end and the bottom plate of first trap main part link to each other, and first trap main part is provided with the water storage space, and the one end and the bottom plate of second trap main part link to each other, and the other end extends to below the highest liquid level in water storage space. Through the arrangement mode, the water seal structure is formed in the drainage part, so that external hot air can be effectively prevented from entering the volute through the drainage part.

Description

Volute casing and vehicle air conditioner

Technical field

The utility model relates to the technical field of air conditioning, and specifically provides a volute and a vehicle air conditioner.

Background technique

In recent years, with the continuous improvement of people's living standards and the need for travel, cars have become an indispensable means of transportation in people's daily lives. As a system that regulates the temperature and humidity in the cabin, vehicle air conditioning is used to provide a comfortable driving environment for passengers and is an indispensable part of the car.

The volute of the vehicle air conditioner can collect the condensed water generated when the air conditioner is running. Currently, in order to ensure the timely removal of the condensed water inside the volute, there is a drain outlet directly connected to the outside inside the volute. When the vehicle air conditioner is running, the condensed water generated is discharged from the inside of the volute to the outside of the volute through the drain port. At the same time, the outside air can also escape into the inside of the volute through the drain port. When the hot air from the outside comes into contact with the cold air inside the volute, condensation will easily float from the return air outlet to the interior of the cabin, affecting the user's experience.

Accordingly, this field needs a new volute and vehicle air conditioner to solve the above problems.

Utility model content

The utility model aims to solve the above technical problem, that is, when the condensed water is discharged from the inside of the volute to the outside of the volute through the drain outlet, the problem of outside air escaping into the inside of the volute through the drain outlet. For this purpose, the utility model provides a volute. The volute includes:

base plate;

A drainage part is provided on the bottom plate. The drainage part is provided with a connected water inlet and a drainage outlet. The drainage part includes a first trap body and a second trap body. The first trap body The main body is located at the bottom of the drainage part, the second trap body is located at the top of the drainage part, one end of the first trap body is connected to the bottom plate, and the first trap body is provided There is a water storage space, one end of the second water trap body is connected to the bottom plate, and the other end extends below the highest liquid level of the water storage space.

In the specific implementation of the above volute, the first trap body includes a connected first curved portion and a second curved portion, the first curved portion is connected to the bottom plate, and the first curved portion is connected to the bottom plate. The water storage space is formed between the second curved parts.

In the specific implementation of the above volute, the first trap body further includes a first straight part, the first curved part and the second curved part are respectively connected to the first straight part, so The water storage space is formed between the first curved portion, the first straight portion and the second curved portion.

In the specific implementation of the above volute, the second trap body includes a connected third curved part and a fourth curved part, the fourth curved part is connected to the bottom plate, and the third curved part is connected to the bottom plate. The first trap bodies are spaced apart and located above the first straight portion.

In the specific implementation of the above volute, the second trap body further includes a second straight part, and the third curved part and the fourth curved part are respectively connected to the second straight part, so The second straight portion is spaced apart from the second curved portion and located above the second curved portion.

In the specific implementation of the above volute, along the axial direction of the water inlet, the upper end surface of the second curved portion is higher than the lower end surface of the third curved portion.

In the specific implementation of the above volute, one end of the first curved portion close to the bottom plate has a first slope, the first slope is inclined toward the third curved portion, and the third curved portion is away from the One end of the second curved portion has a second inclined surface, and the second inclined surface is inclined toward the first curved portion.

In the specific implementation of the above volute, the water inlet and the drain outlet are both in a straight shape.

In the specific implementation of the above volute, the bottom plate is provided with two drainage parts, and the two drainage parts are symmetrically distributed.

The utility model also provides a vehicle air conditioner. The vehicle air conditioner includes the above-mentioned volute.

The beneficial effects of the volute and vehicle air conditioner provided by the utility model are:

The volute can be used to collect condensation water generated during the operation of the vehicle air conditioner, and is also waterproof to prevent condensation water from entering the interior of the vehicle or specific areas to protect the vehicle's electrical equipment, internal structure, and other sensitive components from moisture. erosion. The drainage part provided on the bottom plate is used to remove the condensed water generated during the operation of the vehicle air conditioner to ensure that the water can be discharged quickly, thereby preventing the accumulation of water from causing corrosion or damage to vehicle components.

The first trap body located at the bottom of the drainage part and the second trap body located at the top of the drainage part form a water seal structure inside the drainage part. When the liquid passes through the curved water seal, the water seal The curved shape causes a sealed liquid wall to form around the liquid. This layer of liquid wall forms a gas sealing layer on the liquid surface, which can effectively prevent gas diffusion or penetration, so that when the condensed water is discharged from the inside of the volute to the outside of the volute through the drainage part, it can effectively prevent external hot air from passing through. The drainage part rushes into the interior of the volute.

Description of the drawings

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, in which:

Figure 1 is a schematic cross-sectional partial structural diagram of the volute provided by the utility model;

Figure 2 is a partial enlarged view of position A in Figure 1;

Figure 3 is a partial structural diagram of the volute provided by the utility model;

Figure 4 is a partial enlarged view of position B in Figure 3.

In the picture:

10. Bottom plate;

20. Drainage part; 20a, water inlet; 20b, drainage outlet;

201. The main body of the first trap; 2011. The first curved part; 2012. The second curved part; 2013. The first straight part; 2014. The first inclined surface;

202. The second trap body; 2021. The third curved part; 2022. The fourth curved part; 2023. The second straight part; 2024. The second inclined surface;

300. Volute.

Detailed ways

It should be noted that in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer" and other terms indicating directions or positional relationships are based on the figures. The directions or positional relationships shown are only for convenience of description and do not indicate or imply that the relevant devices or components must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, ordinal words "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In addition, it should be noted that in the description of the present utility model, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection or integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

As shown in Figures 1 and 2, the utility model provides a volute 300. Volute 300 includes:

base plate 10;

The drainage part 20 is provided on the bottom plate 10. The drainage part 20 is provided with a connected water inlet 20a and a drainage outlet 20b. The drainage part 20 includes a first trap body 201 and a second trap body 202. The first trap The main body 201 is located at the bottom of the drainage part 20. The second trap body 202 is located at the top of the drainage part 20. One end of the first trap body 201 is connected to the bottom plate 10. The first trap body 201 is provided with a water storage space. One end of the second trap body 202 is connected to the bottom plate 10 , and the other end extends below the highest liquid level of the water storage space.

In this embodiment, the volute 300 can be used to collect condensed water generated during the operation of the vehicle air conditioner, and also has a waterproof function to prevent the condensed water from entering the vehicle interior or specific areas to protect the vehicle's electrical equipment, internal structure and Other sensitive parts are protected from moisture attack. The drainage portion 20 provided on the bottom plate 10 is used to drain the condensed water generated during the operation of the vehicle air conditioner to ensure that the water can be discharged quickly, thereby preventing the accumulation of water from causing corrosion or damage to vehicle components.

The first trap body 201 located at the bottom of the drainage part 20 and the second trap body 202 located at the top of the drainage part 20 form a water seal structure inside the drainage part 20. When the liquid passes through the curved water When sealing, the curved shape of the water seal causes a sealing liquid wall to form around the liquid. This layer of liquid wall forms a gas sealing layer on the liquid surface, which can effectively prevent gas diffusion or penetration, so that when the condensed water is discharged from the inside of the volute 300 to the outside of the volute 300 through the drainage part 20, it can effectively prevent external leakage. The hot air flows into the interior of the volute 300 through the drainage part 20, thereby improving the overall sealing performance of the volute 300.

In a possible specific implementation, the bottom plate 10 of the volute 300 and the drainage part 20 are integrally formed.

Further, as shown in FIG. 2 , the first trap body 201 may include a first curved portion 2011 and a second curved portion 2012 that are connected to each other. The first curved portion 2011 is connected to the bottom plate 10 , and the first curved portion 2011 is connected to the second curved portion 2012 . A water storage space is formed between the parts 2012.

In this embodiment, the bottom plate 10 of the volute 300 and the second curved portion 2012 of the first trap body 201 are respectively connected to the first curved portion 2011 of the first trap body 201. This arrangement can enable A water storage space is formed between the first curved portion 2011 and the second curved portion 2012 of the first trap body 201 to facilitate storage of condensed water flowing in from the water inlet 20a of the drainage portion 20.

The water storage space formed between the first curved portion 2011 and the second curved portion 2012 of the first trap body 201 is connected with the water inlet 20a and the drain outlet 20b of the drainage portion 20. The vehicle air conditioner generates condensation water during operation, and the condensation water drips onto the bottom plate 10 of the volute 300 due to the action of gravity. The condensed water gathered on the bottom plate 10 of the volute 300 flows into the water storage space formed between the first curved portion 2011 and the second curved portion 2012 of the first trap body 201 through the water inlet 20a of the drainage portion 20. As the condensed water flowing into the water storage space gradually increases, when the condensed water flowing into the water storage space exceeds the water storage capacity of the water storage space, the condensed water overflows the water storage space and is discharged from the volute 300 through the drain port 20 b of the drainage part 20 .

In a possible specific implementation, the corners of the first curved portion 2011 and the second curved portion 2012 of the first trap body 201 are rounded, which is beneficial to the first trap body 201 The first curved part 2011 and the second curved part 2012 are successfully demoulded.

Further, as shown in FIG. 2 , the first trap body 201 may also include a first straight part 2013 , a first curved part 2011 and a second curved part 2012 respectively connected to the first straight part 2013 , and the first curved part 2011 , a water storage space is formed between the first straight part 2013 and the second curved part 2012.

In this embodiment, the first straight portion 2013 of the first trap body 201 can increase the distance between the first curved portion 2011 and the second curved portion 2012 of the first trap body 201, thereby expanding water storage. The water storage capacity of the space is conducive to increasing the amount of condensed water stored in the water storage space to further enhance the water sealing effect.

Further, as shown in FIG. 2 , the second trap body 202 may include a connected third curved portion 2021 and a fourth curved portion 2022 . The fourth curved portion 2022 is connected to the bottom plate 10 , and the third curved portion 2021 is connected to the first trap. The water bend main bodies 201 are spaced apart and located above the first straight portion 2013 .

In this embodiment, the third curved portion 2021 and the fourth curved portion 2022 of the connected second trap body 202 can limit the condensed water flowing into the water storage space through the water inlet 20a of the drainage portion 20, so that the first A water column of a certain height is formed between the second curved portion 2012 of the trap body 201 and the third curved portion 2021 of the second trap body 202, which can isolate the cold air inside the volute 300 from the hot air outside the volute 300. , thereby effectively preventing external hot air from escaping into the interior of the volute 300 through the drainage portion 20 of the volute 300, thereby improving the overall sealing performance of the volute 300.

In a possible specific implementation, the corners of the third curved portion 2021 and the fourth curved portion 2022 of the second trap body 202 can be rounded, which is beneficial to the second trap body 202 The third song part 2021 and the fourth song part 2022 were successfully demolded.

Further, as shown in FIG. 2 , the second trap body 202 may also include a second straight part 2023 , a third curved part 2021 and a fourth curved part 2022 respectively connected to the second straight part 2023 . The second straight part 2023 It is spaced apart from the second curved portion 2012 and located above the second curved portion 2012 .

In this embodiment, the second straight portion 2023 of the second trap body 202 can increase the distance between the second curved portion 2012 of the first trap body 201 and the third curved portion 2021 of the second trap body 202 The spacing can expand the water storage space between the second curved portion 2012 and the third curved portion 2021, thereby increasing the water column height of the condensed water stored in the water storage space to further enhance the water sealing effect.

Further, as shown in FIG. 2 , along the axial direction of the water inlet 20a, the upper end surface of the second curved portion 2012 is higher than the lower end surface of the third curved portion 2021.

In this embodiment, along the axial direction of the water inlet 20a, the upper end surface of the second curved portion 2012 is higher than the lower end surface of the third curved portion 2021. This arrangement can allow the condensed water to be located on the third side of the first trap body 201. There is a water column of a certain height between the second curved portion 2012 and the third curved portion 2021 of the second trap body 202, thereby preventing hot air from the outside from escaping into the interior of the volute 300 through the drain port 20b of the drain portion 20.

Since the upper end surface of the second curved portion 2012 of the first trap body 201 is higher than the lower end surface of the third curved portion 2021 of the second trap body 202, between the second curved portion 2012 and the third curved portion 2021 A vertical water column is formed. The gravity effect generated by this vertical water column causes the water column to form a physical barrier to the gas, thereby preventing the gas from continuing to diffuse toward the interior of the volute 300 through the water column.

Moreover, water has a high surface tension, that is, water molecules attract each other on the water surface to form a continuous surface layer. When the gas comes to the surface of the water, the surface tension of the water will prevent the gas from further penetrating into the water, forming an effective barrier to the outside gas, thereby preventing the gas from diffusing from the drain port 20b of the volute 300 to the inlet of the volute 300 The nozzle 20a further diffuses into the interior of the volute 300.

In a possible specific implementation, along the axial direction of the water inlet 20a, the upper end surface of the second curved portion 2012 is 50 mm higher than the lower end surface of the third curved portion 2021.

Further, as shown in FIGS. 3 and 4 , one end of the first curved portion 2011 close to the bottom plate 10 has a first inclined surface 2014 , the first inclined surface 2014 is inclined toward the third curved portion 2021 , and the third curved portion 2021 is away from the second curved portion 2012 One end has a second inclined surface 2024, and the second inclined surface 2024 is inclined toward the first curved portion 2011.

In this embodiment, this arrangement can prevent the condensed water generated during the operation of the vehicle air conditioner from accumulating on the bottom plate 10 of the volute 300, and has a certain diversion effect on the condensed water, so that the condensed water can be effectively discharged from the air conditioner. The inside of the volute 300 is discharged to the outside of the volute 300 .

In a possible specific implementation, both the first inclined surface 2014 and the second inclined surface 2024 are inclined planes.

Furthermore, as shown in FIGS. 3 and 4 , the water inlet 20a and the drain outlet 20b may both be in a straight shape.

In this embodiment, this arrangement can not only allow the condensed water generated during the operation of the vehicle air conditioner to be discharged to the outside of the volute 300 in time, but also prevent external debris from entering the interior of the volute 300 through the drainage part 20 .

Furthermore, the bottom plate 10 is provided with two drainage parts 20 , and the two drainage parts 20 are symmetrically distributed.

In this embodiment, the bottom plate 10 is provided with two drainage parts 20 , which is helpful to further increase the speed at which the condensed water is discharged from the bottom plate 10 of the volute 300 to the outside of the volute 300 , and prevents the condensed water from being accumulated in the volute without being discharged in time. The bottom plate 10 of 300 may cause condensation water to overflow or condensation water to erode the volute 300 .

In a possible specific implementation, the two drainage parts 20 provided on the bottom plate 10 are symmetrically arranged at both ends of the bottom plate 10 of the volute 300 .

In a possible specific implementation, the bottom plate 10 is provided with multiple drainage parts 20 , and the multiple drainage parts 20 are symmetrically distributed.

The utility model also provides a vehicle air conditioner. The vehicle air conditioner includes the volute 300 in the above embodiment.

In this embodiment, the drainage part 20 of the volute 300 is provided with a water sealing structure, which can allow the condensed water generated during the operation of the vehicle air conditioner to be discharged to the outside of the volute 300 in a timely manner, and at the same time, it can also prevent external hot air from escaping through the drainage part 20 The cold air entering the volute 300 contacts with the cold air inside the volute 300 to generate condensed water, thereby reducing the operating performance of the vehicle air conditioner.

So far, the technical solutions of the present utility model have been described in conjunction with the preferred embodiments shown in the drawings. However, those skilled in the art can easily understand that the protection scope of the present utility model is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or replacements to relevant technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

Claims (10)

1. A volute, characterized in that the volute includes: base plate; A drainage part is provided on the bottom plate. The drainage part is provided with a connected water inlet and a drainage outlet. The drainage part includes a first trap body and a second trap body. The first trap body The main body is located at the bottom of the drainage part, the second trap body is located at the top of the drainage part, one end of the first trap body is connected to the bottom plate, and the first trap body is provided There is a water storage space, one end of the second water trap body is connected to the bottom plate, and the other end extends below the highest liquid level of the water storage space. 2. The volute according to claim 1, wherein the first trap body includes a first curved portion and a second curved portion connected to each other, and the first curved portion is connected to the bottom plate. The water storage space is formed between the first curved portion and the second curved portion. 3. The volute according to claim 2, wherein the first trap body further includes a first straight part, and the first curved part and the second curved part are respectively connected with the first curved part. The straight parts are connected, and the water storage space is formed between the first curved part, the first straight part and the second curved part. 4. The volute according to claim 3, wherein the second trap body includes a third curved portion and a fourth curved portion connected to each other, and the fourth curved portion is connected to the bottom plate. The third curved portion is spaced apart from the first trap body and located above the first straight portion. 5. The volute according to claim 4, wherein the second trap body further includes a second straight portion, and the third curved portion and the fourth curved portion are respectively connected with the second straight portion. The straight parts are connected, and the second straight part is spaced apart from the second curved part and is located above the second curved part. 6. The volute according to claim 4, wherein along the axial direction of the water inlet, the upper end surface of the second curved portion is higher than the lower end surface of the third curved portion. 7. The volute according to claim 4, wherein one end of the first curved portion close to the bottom plate has a first slope, and the first slope is inclined toward the third curved portion, and the first curved portion is inclined toward the third curved portion. One end of the three-curved portion away from the second curved portion has a second slope, and the second slope is inclined toward the first curved portion. 8. The volute according to claim 1, characterized in that both the water inlet and the drain outlet are in a straight shape. 9. The volute according to any one of claims 1 to 8, wherein the bottom plate is provided with two drainage parts, and the two drainage parts are symmetrically distributed. 10. A vehicle air conditioner, characterized by comprising the volute according to any one of claims 1-9.