CN220535354U - Cooling defogging system and vehicle - Google Patents

Abstract

The application provides a cooling defogging system and vehicle, include: the ventilation device is arranged in the roof and positioned at one side of the awning glass, and is provided with a ventilation air duct, and an air outlet of the ventilation air duct faces the awning glass; wherein, be provided with fan and temperature regulation structure in the ventilation wind channel to adjust the air outlet temperature of air outlet. So set up, through ventilation unit's design, when opening fan and adjusting structure, the air-out temperature of the air outlet of ventilation wind channel can be adjusted, make the wind of corresponding temperature blow on sky curtain glass, can prevent sky curtain glass fog, also can reduce sky curtain glass's internal surface temperature, can solve the restricted problem of vision that sky curtain glass fog arouses, also can solve sky curtain glass internal surface overheated, influence passenger's travelling comfort's problem.

Description

Cooling defogging system and vehicle

Technical Field

The application relates to the technical field of automobiles, in particular to a cooling and demisting system and a vehicle.

Background

With the development of automobile technology, panoramic backdrop glass has become a necessary configuration for new vehicles. The awning glass can increase the permeability of the whole car, can appreciate scenery outside the car and can widen the vision of passengers. However, the awning glass has two problems: when the temperature difference between the inside and the outside of the vehicle is large and the ambient humidity is large, the sky curtain glass is easy to fog, and the vision of passengers is influenced; the heat insulation of the awning glass is poor, after sunlight is insolated in summer, the temperature of the inner surface of the awning glass is too high, and if the awning glass is relatively close to the head, the head has obvious burning sensation. The existing air conditioning system cannot cover the sky curtain glass and cannot solve the problems of fog and overheat of the sky curtain glass.

Disclosure of Invention

In view of this, this application provides a cooling defogging system and vehicle, can solve the problem that the sky curtain glass fogged and overheated.

In order to achieve the above purpose, the present application provides the following technical solutions:

a cooling and demisting system comprising:

the ventilation device is arranged in the roof and positioned at one side of the awning glass, and is provided with a ventilation air duct, and an air outlet of the ventilation air duct faces the awning glass;

wherein, be provided with fan and temperature regulation structure in the ventilation wind channel to adjust the air outlet temperature of air outlet.

Optionally, the temperature adjusting structure comprises a refrigerating piece and a heating piece, and the fan, the refrigerating piece and the heating piece are arranged along the ventilation direction of the ventilation air duct.

Optionally, the refrigerating element is configured as an evaporator, the evaporator is connected in parallel with an air conditioning box of the vehicle body air conditioning system, and the evaporator is located between the fan and the heating element.

Optionally, the evaporator is obliquely arranged relative to the ventilation direction of the ventilation air duct, so that the lower side of the evaporator is arranged close to the air outlet relative to the upper side.

Optionally, the air outlet extends along the side edge of the sky curtain glass, and the extension length of the air outlet is not less than the side edge length of the sky curtain glass.

Optionally, the fan is an axial flow fan, and an axial direction of the axial flow fan is consistent with an extending direction of the air outlet.

Optionally, the device further comprises a temperature sensor for sensing the temperature of the sky curtain glass, wherein the temperature sensor, the fan and the temperature regulating structure are in communication connection.

Optionally, the temperature sensor is attached to the inside of the backdrop glass.

Optionally, the ventilation device is arranged at the front side and/or the rear side of the awning glass.

A vehicle comprising a cooling and demisting system according to any one of the preceding claims.

According to the cooling and demisting system and the vehicle, in the using process, the fan and the temperature adjusting structure are started, the temperature adjusting structure adjusts the temperature (such as heating and refrigerating) of air in the ventilation air duct, and the fan drives the air subjected to temperature adjustment by the temperature adjusting structure to be blown out from the air outlet; because the air outlet faces the sky curtain glass, wind with different temperatures can be blown to the sky curtain glass according to different use environments, namely, the temperature of the sky curtain glass is reduced by blowing cold wind to the sky curtain glass, and the defogging and defrosting of the sky curtain glass are realized by blowing hot wind to the sky curtain glass. So set up, through ventilation unit's design, when opening fan and adjusting structure, the air-out temperature of the air outlet of ventilation wind channel can be adjusted, make the wind of corresponding temperature blow on sky curtain glass, can prevent sky curtain glass fog, also can reduce sky curtain glass's internal surface temperature, can solve the restricted problem of vision that sky curtain glass fog arouses, also can solve sky curtain glass internal surface overheated, influence passenger's travelling comfort's problem.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram illustrating the installation of the present cooling and demisting system according to some embodiments;

FIG. 2 is a schematic diagram of a ventilation device according to some embodiments;

FIG. 3 is a schematic diagram of a blower in accordance with some embodiments;

fig. 4 is a schematic diagram illustrating the connection of a refrigeration member according to some embodiments.

In the figure: 1. a ventilation device; 2. a roof; 3. sky curtain glass; 4. a front cross member; 5. a rear cross member; 6. a temperature sensor; 7. a condenser; 8. a compressor; 9. an air conditioning box; 10. an electronic expansion valve; 11. an air inlet; 12. an air outlet; 13. a blower; 14. a refrigerating member; 15 heating elements; 131. a motor; 132. a rotating shaft; 133. an impeller.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1 to 4, the embodiment of the present application provides a cooling and demisting system, which includes a ventilation device 1, where the ventilation device 1 is disposed on the inner side of a roof 2, so that the ventilation device 1 is fixed to a vehicle body and located inside the vehicle body, and the ventilation device 1 is located on one side of a roof glass 3, and by making the ventilation device 1 adjacent to the roof glass 3, ventilation can be performed on the roof glass 3 timely and effectively.

Preferably, the ventilation device 1 is arranged on the front side and/or the rear side of the awning glass 3, the ventilation device 1 is arranged on one side and on the front side or the rear side of the awning glass 3, and the ventilation device 1 is arranged on two sides and on the front side and the rear side of the awning glass 3 respectively. Specifically, the ventilation device 1 is provided in an interior ceiling of the front cross member 4 and/or the rear cross member 5, and is fixed with respect to a roof sheet metal. Of course, in other embodiments, the ventilation device 1 may also be arranged on the left and/or right side of the awning glass 3.

The ventilation device 1 is provided with a ventilation air duct, the ventilation air duct is provided with an air inlet 11 and an air outlet 12, the air outlet 12 faces the sky curtain glass 3, so that the air outlet of the air outlet 12 of the ventilation device 1 can directly act on the sky curtain glass 3, further, the temperature of the sky curtain glass 3 can be changed according to the air outlet temperature of the air outlet 12, specifically, the air inlet 11 and the air outlet 12 are respectively arranged on two sides of the ventilation device 1, the air outlet 12 is positioned on one side, close to the sky curtain glass 3, of the ventilation device 1, and the air outlet 12 is inclined towards the sky curtain glass 3 relative to the horizontal direction, so that the air outlet 12 can reach the sky curtain glass 3, and the air outlet 12 can flow along the sky curtain glass 3 when facing the air outlet of the sky curtain glass 3, so that the whole sky curtain glass 3 has temperature change.

The ventilation device 1 is provided with a fan 13 and a temperature regulating structure, the fan 13 and the temperature regulating structure are arranged in a ventilation air duct, and the fan 13 can drive air in the ventilation air duct to circulate so as to enable an air inlet 11 of the ventilation air duct to enter air and an air outlet 12 to exit air; the temperature of the air in the ventilation air duct can be regulated through the temperature regulating structure, and the air which is regulated through the temperature regulating structure can be blown out from the air outlet 12 under the drive of the fan 13, so that the air outlet temperature of the air outlet 12 is regulated. Specifically, the temperature adjusting structure has two states of a refrigerating state and a heating state, and the air in the ventilation air duct is heated and refrigerated through the switching of the two states.

In the use process, the fan 13 and the temperature regulating structure are started, the temperature regulating structure regulates the temperature (such as heating and refrigerating) of the air in the ventilation air duct, and the fan 13 drives the air regulated by the temperature regulating structure to be blown out from the air outlet 12; because the air outlet 12 faces the sky curtain glass 3, the air with different temperatures can be blown to the sky curtain glass 3 according to different use environments, namely, the temperature of the sky curtain glass 3 is reduced by blowing cold air to the sky curtain glass 3, and the defogging and defrosting of the sky curtain glass 3 are realized by blowing hot air to the sky curtain glass 3.

So set up, through ventilation unit 1's design, when opening fan 13 and adjusting the structure, can adjust the air-out temperature of the air outlet 12 in ventilation wind channel, make the wind of corresponding temperature blow on sky curtain glass 3, can prevent sky curtain glass 3 fog, also can reduce the internal surface temperature of sky curtain glass 3, can solve the limited problem of vision that sky curtain glass 3 fog arouses, also can solve the overheated problem of sky curtain glass 3 internal surface, influence the passenger travelling comfort.

In this scheme, temperature regulating structure includes refrigeration piece 14 and heating piece 15, refrigerates the air in the ventilation wind channel through refrigeration piece 14, heats the air in the ventilation wind channel through heating piece 15, through separately independent setting with temperature regulating structure's refrigeration function and heating function, can avoid refrigeration and heating mutual interference, specifically, refrigeration piece 14 and heating piece 15 can realize refrigeration and heating through the circular telegram, like electric refrigerator, electric heater. Moreover, the fan 13, the refrigerating element 14 and the heating element 15 are arranged along the ventilation direction of the ventilation air duct, so that air can flow through and fully contact with the fan 13, the refrigerating element 14 and the heating element 15 (namely, the refrigerating element 14 and the heating element 15 can be respectively formed on the whole section of the ventilation air duct) when passing through the ventilation air duct, the air supply performance of the fan 13 is improved, the refrigerating effect of the refrigerating element 14 is improved, the heating effect of the heating element 15 is improved, the thickness of the ventilation device 1 is reduced, and the better space height in a vehicle is ensured.

Of course, in other solutions, the cooling element 14 and the heating element 15 may be located on the same cross section of the ventilation duct, so that the distance between the cooling element 14 and the fan 13 is equal to the distance between the heating element 15 and the fan 13, which is advantageous for reducing the length of the ventilation duct.

The refrigerating element 14 is provided as an evaporator, the evaporator is connected in parallel with an air conditioning tank 9 of a vehicle body air conditioning system, the vehicle body air conditioning system is provided with a condenser 7, a compressor 8 and the air conditioning tank 9, the refrigerant sequentially flows through the condenser 7, the air conditioning tank 9 and the compressor 8 through pipelines to form circulation of the refrigerant, heating of the condenser 7 and refrigerating of the air conditioning tank 9 are realized by controlling the state of the refrigerant, specifically, the compressor 8 compresses the gaseous refrigerant into the gaseous refrigerant with high temperature and high pressure, then the gaseous refrigerant is sent to the condenser 7 to dissipate heat and becomes the liquid refrigerant with normal temperature and high pressure, then the liquid refrigerant enters the air conditioning tank 9, and the liquid refrigerant is vaporized into the refrigerant with low temperature in the gaseous state, so that a large amount of heat is absorbed, and the air conditioning tank 9 is cooled. The evaporator and the air conditioning box 9 are connected in parallel, so that the liquid refrigerant with normal temperature and high pressure can be shunted into the evaporator, the evaporator is cooled, and the air in the ventilation air duct is cooled. Here, the front end of the evaporator is provided with an electronic expansion valve 10, the connection and disconnection of the evaporator and the vehicle body air conditioning system are controlled through the electronic expansion valve 10, when the air in the ventilation air duct is required to be refrigerated, the vehicle body air conditioning system is required to be started, the evaporator and the vehicle body air conditioning system are connected through the electronic expansion valve 10, and when the air in the ventilation air duct is not required to be refrigerated, if the vehicle body air conditioning system is always in a starting state, the evaporator and the vehicle body air conditioning system can be disconnected through the electronic expansion valve 10.

Therefore, the evaporator is connected with the air conditioning box 9 of the vehicle body air conditioning system in parallel, the original vehicle body air conditioning system can be utilized, the cost is saved, and the cooling and demisting system only needs to be started when refrigeration is needed, so that the vehicle body air conditioning system is not required to be always kept on, and the energy consumption of the vehicle body is further saved.

The evaporator is arranged between the fan 13 and the heating element 15, so that the air passes through the evaporator first and then passes through the heating element 15, and the evaporator has a good dehumidification effect.

As shown in fig. 2, the evaporator is obliquely arranged relative to the ventilation direction of the ventilation duct, so that the lower side of the evaporator is close to the air outlet 12 relative to the upper side, and under the blowing action of the fan 13, air circulates along the direction from the upper side to the lower side of the evaporator, so that the condensed moisture on the evaporator can be driven to fall down, and the moisture generated by dehumidification can be discharged.

In some embodiments, the air outlet 12 is configured as a long strip, the air outlet 12 extends along a side edge of the roof glass 3 (preferably, a front side edge or a rear side edge of the roof glass 3, or may be a left side edge or a right side edge of the roof glass 3 of course), and the extending length of the air outlet 12 is not less than (i.e. greater than or equal to) the side edge length of the roof glass 3, where the extending length of the air outlet 12 is preferably equal to the length of the front side edge or the rear side edge of the roof glass 3, so that when the air outlet 12 performs air outlet, the air outlet can cover the whole roof glass 3, thereby improving the cooling and defogging effects, and guaranteeing the uniformity of cooling and the comprehensiveness of defogging.

Specifically, the ventilation device 1 is configured in a long strip shape, the ventilation device 1 extends along a side edge of the awning glass 3 (preferably, a front side edge or a rear side edge of the awning glass 3, or a left side edge and a right side edge of the awning glass 3 of course), and an extending length of the ventilation device 1 is not less than (i.e., greater than or equal to) a side edge length of the awning glass 3, correspondingly, an extending direction of the air inlet 11 and the air outlet 12 is consistent with an extending direction of the ventilation device 1, and the air inlet 11 and the air outlet 12 are respectively located at two sides of the ventilation device 1. Thus, the thickness of the ventilation device 1 is reduced, and a good space height in the vehicle is ensured.

Wherein, fan 13 sets up to axial fan 13, and axial fan 13's axial is unanimous with the extending direction of air outlet 12, and axial fan 13's air-out is along radial air-out, is favorable to guaranteeing that air-out intensity of air outlet 12 is unanimous, and axial fan 13 occupies ventilation unit 1's thickness less moreover, further can reduce ventilation unit 1's installation height to guarantee better interior space height.

Specifically, the axial flow fan 13 has a motor 131, a rotation shaft 132, and two impellers 133, the two impellers 133 being located on both sides of the motor 131, respectively, and the output of the motor 131 being transmitted to the rotation shaft 132 and driving the impellers 133 on both sides to rotate to drive the air flow.

Correspondingly, the heating element 15 is provided as an electric heater, and the control of the heating element 15 is realized through electrifying, so that the control is convenient and the installation is convenient.

In this scheme, cooling defogging system still includes temperature sensor 6, and this temperature sensor 6 is used for responding to the temperature of sky curtain glass 3, through temperature sensor 6, fan 13 and temperature regulation structure communication connection, and then can open fan 13 and temperature regulation structure according to the temperature of sky curtain glass 3 voluntarily, realizes the automated control of cooling defogging, labour saving and time saving, and it is convenient to adjust.

Specifically, the temperature sensor 6 is arranged to be of a wall-mounted structure, and the temperature sensor 6 is attached to the awning glass 3, so that the real-time temperature of the awning glass 3 can be timely and accurately obtained, and the accuracy and timeliness of the cooling and defogging functions are improved.

In the cooling process of the cooling and demisting system, when the temperature of the inner surface of the sky curtain glass 3 is higher than a first preset value (such as 38 ℃), an axial flow fan 13 is started, an electronic expansion valve 10 at the front end of an evaporator is opened, hot air in the vehicle is sucked into a ventilation air duct from an air inlet 11, and after being cooled by the evaporator, cold air is directly blown to the inner surface of the sky curtain glass 3 from an air outlet 12 to cool the sky curtain glass 3; when the temperature of the inner surface of the awning glass 3 is smaller than a second preset value (for example, 30 degrees), the fan 13 and the temperature regulating structure are turned off, and the temperature of the glass is stopped.

In the defogging process of the cooling defogging system, when the temperature outside the vehicle is lower, when the temperature of the inner surface of the sky curtain glass 3 is lower than a third preset value (specifically, the third preset value is lower than the temperature inside the vehicle by 2 degrees), an axial flow fan 13 is started, an electric heater is started, air in the vehicle is sucked into a ventilation air duct from an air inlet 11, after being heated by the electric heater, hot air is directly blown to the inner surface of the sky curtain glass 3 from an air outlet 12, the sky curtain glass 3 is heated by the hot air, the inner surface temperature of the sky curtain glass 3 is prevented from being lower than the temperature inside the vehicle, and dew condensation and fog on the inner surface of the sky curtain glass 3 are prevented; when the temperature of the inner surface of the awning glass 3 is higher than a fourth preset value (specifically, the fourth preset value is 2 degrees higher than the temperature in the vehicle), the axial flow fan 13 and the electric heater are turned off, and the heating of the awning glass 3 is stopped.

The embodiment of the application provides a vehicle, including the cooling defogging system among the above-mentioned embodiment, so set up, through ventilation unit 1's design, when opening fan 13 and adjusting structure, can adjust the air-out temperature of the air outlet 12 in ventilation wind channel, make the wind of corresponding temperature blow on sky curtain glass 3, can prevent sky curtain glass 3 fog, also can reduce the internal surface temperature of sky curtain glass 3, can solve the restricted problem of vision that sky curtain glass 3 fog arouses, also can solve the problem that sky curtain glass 3 internal surface is overheated, influence passenger's travelling comfort.

In addition, please refer to the description of the cooling and demisting system for other beneficial effects brought by the vehicle, and the description is omitted herein.

The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not intended to be limited to the details disclosed herein as such.

The block diagrams of the devices, apparatuses, devices, systems referred to in this application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent to the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It should be understood that the terms "first," "second," "third," "fourth," "fifth," and "sixth" used in the description of the embodiments of the present application are merely used for clarity in describing the technical solutions, and are not intended to limit the scope of the present application.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims (10)

1. A cooling and demisting system, comprising:

the ventilation device is arranged in the roof and positioned at one side of the awning glass, and is provided with a ventilation air duct, and an air outlet of the ventilation air duct faces the awning glass;

wherein, be provided with fan and temperature regulation structure in the ventilation wind channel to adjust the air outlet temperature of air outlet.

2. The cooling and demisting system according to claim 1, wherein the temperature regulating structure comprises a cooling member and a heating member, and the fan, the cooling member and the heating member are arranged along a ventilation direction of the ventilation duct.

3. The cooling and demisting system according to claim 2, wherein the refrigeration element is provided as an evaporator, the evaporator being connected in parallel with an air conditioning box of a vehicle body air conditioning system, the evaporator being located between the fan and the heating element.

4. The cooling and demisting system according to claim 3, wherein the evaporator is disposed obliquely with respect to a ventilation direction of the ventilation duct so that a lower side of the evaporator is disposed near the air outlet with respect to an upper side.

5. The cooling and demisting system according to claim 1, wherein the air outlet extends along a side of the awning glass, and an extension length of the air outlet is not less than a length of the side of the awning glass.

6. The cooling and demisting system according to claim 5, wherein the fan is provided as an axial flow fan, and an axial direction of the axial flow fan is consistent with an extending direction of the air outlet.

7. The cooling and defogging system of claim 1, further comprising a temperature sensor for sensing a temperature of said sheet glass, said temperature sensor, said fan being in communication with said temperature regulating structure.

8. The cooling and demisting system according to claim 7, wherein the temperature sensor is attached to an inner side of the awning glass.

9. The cooling and demisting system according to claim 1, wherein the ventilation device is provided on a front side and/or a rear side of the awning glass.

10. A vehicle comprising a cooling and demisting system according to any one of claims 1 to 9.