CN212373374U

CN212373374U - Rail vehicle

Info

Publication number: CN212373374U
Application number: CN202020936441.3U
Authority: CN
Inventors: 王宗昌; 马冰冰; 刘辉; 刘明伟; 张英姿
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-01-19
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a rail vehicle. The rail vehicle comprises: the vehicle body is provided with a cab; the indoor air conditioner is arranged in a cab and comprises a shell and a mounting seat, wherein the mounting seat is arranged on the shell and is used for being connected with the floor of the cab, so that the indoor air conditioner is fixed on the floor of the cab. The utility model discloses a rail vehicle has solved the great problem of air conditioner noise in the driver's cabin among the prior art.

Description

Rail vehicle

Technical Field

The utility model relates to a rail vehicle field particularly, relates to a rail vehicle.

Background

In order to ensure the comfort of the temperature in the cab, the cabs of the high-speed motor train unit are all provided with independent cab air conditioners. The air conditioner structure of the cab mainly comprises a unit type and a split type. The unit type air conditioning unit is arranged on the roof of the vehicle, and occupies a large space; the split air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, wherein the air conditioner indoor unit is arranged in a vehicle, 2 air conditioner indoor units are mostly arranged, and 1 air conditioner outdoor unit is arranged under the vehicle, so that the space in a cab can be saved.

However, the existing split type air conditioner has the following disadvantages: the air-conditioning indoor unit is suspended in the cab, so that the cab has higher noise; the single air supply outlet of the indoor unit of the air conditioner has lower air supply efficiency; the air-conditioning indoor unit adopts a forward centrifugal fan and is arranged on one side of the evaporator, which is far away from the air supply outlet, and turbulence exists in the air supply process, so that the noise is larger; the air-conditioning indoor unit and the air-conditioning outdoor unit adopt alternating current fans, so that energy consumption is high.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a rail vehicle to solve the problem of the prior art that the noise of an air conditioner is large in a cab.

In order to achieve the above object, the present invention provides a rail vehicle, including: the vehicle body is provided with a cab; the indoor air conditioner is arranged in a cab and comprises a shell and a mounting seat, wherein the mounting seat is arranged on the shell and is used for being connected with the floor of the cab, so that the indoor air conditioner is fixed on the floor of the cab.

Furthermore, the number of the installation seats is multiple, and the installation seats are arranged around the circumference of the bottom of the shell; each mounting seat is connected with the floor of the cab through a fastener.

Further, the shell is provided with an air inlet and an air outlet, the air inlet is arranged on the side wall of the shell, and the air outlet is arranged on the top wall of the shell.

Further, the air outlet is a plurality of, and a plurality of air outlets interval sets up on the roof of casing.

Furthermore, the rail vehicle also comprises a plurality of air supply hoses, and each air supply hose is provided with a first connecting end and a second connecting end which are oppositely arranged; the air supply hoses and the air outlets are arranged in a one-to-one correspondence mode, the first connecting end of each air supply hose is connected with the corresponding air outlet, and the second connecting end of each air supply hose supplies air to different positions of the cab.

Furthermore, the second connecting end of each air supply hose is provided with an air supply box, an air supply outlet is formed in the air supply box, and an air supply grille is arranged at the position of the air supply outlet.

The plurality of air supply boxes comprise a first air supply box and a second air supply box, the first air supply box is arranged below a front window of the cab, and a first air supply opening is formed in the first air supply box; the second air supply box is arranged on the side wall of the cab, and a second air supply opening is formed in the second air supply box.

Further, the cab is provided with a storage battery; the indoor unit of the air conditioner comprises an indoor fan, the indoor fan is arranged in a shell, and the storage battery is used for supplying power to the indoor fan; wherein, the indoor fan is a direct current EC fan.

Further, the indoor fan is a backward centrifugal fan.

Furthermore, the air-conditioning indoor unit further comprises an evaporator, the evaporator is arranged in the shell, and the indoor fan is arranged on one side, close to the air outlet, of the evaporator, so that air in the cab is blown out of the air outlet after sequentially passing through the air inlet, the evaporator and the indoor fan under the action of the indoor fan.

The rail vehicle further comprises an air conditioner outdoor unit, the air conditioner outdoor unit is arranged on the outer side of the vehicle body and located below the vehicle body, and the air conditioner outdoor unit is connected with the air conditioner indoor unit so as to convey a refrigerant to the air conditioner indoor unit; the air conditioner outdoor unit comprises an outdoor fan, and the cab is provided with a storage battery for supplying power to the outdoor fan; wherein, the outdoor fan is a direct current EC fan.

The application discloses machine in air conditioning is used for setting up in the driver's cabin of automobile body to adjust the temperature in the driver's cabin. This air conditioning indoor set is through setting up the mount pad on the casing, and the mount pad is installed on the floor of driver's cabin, can fix the air conditioning indoor set on the floor of driver's cabin for the installation of air conditioning indoor set is more stable. The air conditioner indoor unit is heavy in weight, and under the action of gravity, acting force of the air conditioner indoor unit is downwards applied to the floor through the mounting seat, so that the floor has a good supporting effect on the air conditioner indoor unit provided with the mounting seat, the problem that vibration causes high noise due to shaking caused by acceleration and deceleration of wind in the running process of the air conditioner indoor unit is avoided, noise in a driver's cab is reduced, and the riding comfort of the driver's cab is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a rail vehicle according to the invention;

FIG. 2 shows a top view of the embodiment of the rail vehicle of FIG. 1;

figure 3 shows a front view of an air-conditioning indoor unit of a rail vehicle according to the invention;

figure 4 shows a side view of an air-conditioning indoor unit of a rail vehicle according to the invention;

fig. 5 shows a top view of an air conditioning indoor unit of a rail vehicle according to the invention;

fig. 6 shows the internal structure of the air-conditioning indoor unit of the railway vehicle according to the present invention.

Wherein the figures include the following reference numerals:

10. an air-conditioning indoor unit; 11. a housing; 111. an air inlet; 112. an air outlet; 12. a fan; 13. an evaporator; 14. a mounting seat; 15. a filter; 20. a vehicle body; 21. a driver's cab; 30. an air supply hose; 40. a first air supply box; 41. a first air supply outlet; 50. a second air supply box; 51. and a second air supply outlet.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In order to solve the great problem of air conditioner noise in the driver's cabin among the prior art, this application provides a rail vehicle.

Referring to fig. 1 to 6, the rail vehicle includes a vehicle body 20 and an air-conditioning indoor unit 10, the vehicle body 20 having a cab 21; the air-conditioning indoor unit 10 is arranged in the cab 21, the air-conditioning indoor unit 10 comprises a shell 11 and a mounting seat 14, the mounting seat 14 is arranged on the shell 11, and the mounting seat 14 is used for being connected with the floor of the cab 21 so that the air-conditioning indoor unit 10 is fixed on the floor of the cab 21.

The air conditioning indoor unit 10 of the present application is provided in a cab 21 of a vehicle body 20 to adjust the temperature in the cab 21. According to the air-conditioning indoor unit 10, the installation seat 14 is arranged on the shell 11, and the installation seat 14 is installed on the floor of the cab 21, so that the air-conditioning indoor unit 10 can be fixed on the floor of the cab 21, and the installation of the air-conditioning indoor unit 10 is more stable, because the weight of the air-conditioning indoor unit is heavier generally, the acting force of the air-conditioning indoor unit is applied to the floor downwards through the installation seat under the action of gravity, so that the floor has a good supporting effect on the air-conditioning indoor unit provided with the installation seat, and therefore the problem that the noise is larger due to vibration caused by the fact that the air-conditioning indoor unit 10 shakes due to acceleration and deceleration in the running process of wind is avoided, the noise in the cab is reduced, and the riding comfort of.

In addition, the air-conditioning indoor unit provided with the mounting seat is supported through the floor, so that the vibration of the air-conditioning indoor unit caused by the vibration of components such as an indoor fan and the like of the air-conditioning indoor unit in the operation process can be avoided.

As shown in fig. 3 to 6, the mounting seat 14 is plural, and the plural mounting seats 14 are arranged around the circumference of the bottom of the housing 11; each mount 14 is connected to the floor of the cab 21 by fasteners. Preferably, there are four mounting seats 14. The plurality of mounting seats 14 may be connected to a plurality of connection points on the floor of the cab 21, so that the indoor air conditioning unit 10 is more stable and vibration of the indoor air conditioning unit 10 is prevented.

As shown in fig. 3 to 6, the housing 11 has an intake opening 111 and an outlet opening 112, the intake opening 111 is provided on a side wall of the housing 11, and the outlet opening 112 is provided on a top wall of the housing 11. The reasonable air inlet and outlet of the air-conditioning indoor unit 10 are realized by the arrangement.

Alternatively, when the air inlet 111 and the air outlet 112 are arranged, the two should be as far away from each other as possible, so that the problem of return air can be effectively avoided. When the air outlet 112 and the air inlet 111 are far away from each other, the wind energy sent out by the air outlet 112 can pass through a far path in the cab and then exchange heat again through the air inlet 111, so that the condition that the wind with good heat exchange performance cannot fully flow in the cab and the heat exchange effect is poor is avoided.

In an embodiment, the air inlet 111 is provided with a filter 15 to filter the indoor air entering the housing 11 through the air inlet 111.

Of course, it is also possible to provide the filter 15 at the air outlet 112, but it is not as good as the air inlet 111, so that the air after heat exchange may generate condensation effect at the filter 15, and thus the air may be condensed into water drops, or the hot air may impact the filter 15 for a long time, thereby causing problems such as easy aging of the filter 15. Therefore, it is more reasonable to dispose the filter 15 at the intake port 111.

Optionally, the filter 15 has a multi-layer filter net structure, at least one layer of filter net is filter cotton, at least another layer of filter net is PM2.5 filter net, and at least another layer of filter net is activated carbon filter net. And the filter cotton is closer to the wind side than other filter screens, so that the whole service life of the filter 15 is prolonged by periodically replacing the filter cotton.

As shown in fig. 3 to 6, the air outlet 112 is provided in plural, and the plural air outlets 112 are arranged on the top wall of the housing 11 at intervals. The air outlets 112 supply air simultaneously, so that the air outlet area is increased, and the air supply efficiency of the indoor unit of the air conditioner is improved.

As shown in fig. 1 and 2, the rail vehicle further includes a plurality of air supply hoses 30, each air supply hose 30 having a first connection end and a second connection end which are oppositely disposed; the plurality of air supply hoses 30 are disposed in one-to-one correspondence with the plurality of air outlets 112, a first connection end of each air supply hose 30 is connected to the corresponding air outlet 112, and a second connection end of each air supply hose 30 supplies air to different positions of the cab 21. The air conditioner can be conveyed to different preset positions through the arrangement, so that uniform air supply is realized, and temperature rise or temperature reduction in a cab is realized quickly.

In specific implementation, the second connection end of each air supply hose 30 is provided with an air supply box, the air supply box is provided with an air supply outlet, and the air supply outlet is provided with an air supply grille. The arrangement increases the air supply area, so that the air supply is more uniform and the comfort level is higher.

As shown in fig. 1 and 2, the plurality of air supply boxes comprise a first air supply box 40 and a second air supply box 50, the first air supply box 40 is arranged below the front window of the cab, and a first air supply opening 41 is formed in the first air supply box 40; the second air supply box 50 is arranged on a side wall of the cab, and a second air supply outlet 51 is formed on the second air supply box 50. Wherein, the first air supply outlet 41 is arranged at the top of the first air supply box 40; the second blowing port 51 is provided at the top of the second blowing box 50.

As shown in fig. 3 to 6, the cab 21 is provided with a storage battery; the indoor unit 10 of the air conditioner comprises an indoor fan 12, the indoor fan 12 is arranged in a shell 11, and a storage battery is used for supplying power to the indoor fan 12; wherein, the indoor fan 12 is a direct current EC fan. The pressure of the direct-current EC fan is adjustable, so that multi-gear speed regulation of the direct-current EC fan can be realized, multi-gear regulation of air supply quantity of an air conditioner is realized, air supply efficiency is improved, and energy consumption is saved.

Specifically, the storage battery provides direct current, the voltage of the direct current EC fan is controlled to change between 0V and 10V through software, and further the rotating speed of the fan is adjusted; the existing air-conditioning fan can only adjust the rotating speed of the fan by adjusting the voltage through a transformer, and the transformer can be omitted by adopting a direct-current EC fan.

Specifically, the indoor fan 12 is a backward centrifugal fan, which is also called a backward centrifugal fan or a backward tilting centrifugal fan. The blades of the backward centrifugal fan form an obtuse angle with the impeller, a volute is not needed, and the motor is integrated in the impeller. Compared with a forward centrifugal fan, the backward centrifugal fan has the characteristics of small volume, compact structure, large air quantity, high static pressure, small vibration, low noise and high efficiency. By selecting the backward centrifugal fan with low noise, the noise of the indoor unit 10 of the air conditioner can be reduced by about 8dB, and the noise reduction effect is obvious.

The indoor fan 12 is a DC110V backward centrifugal fan.

As shown in fig. 3 to 6, the indoor unit 10 of the air conditioner further includes an evaporator 13, the evaporator 13 is disposed in the casing 11, and the indoor fan 12 is disposed on a side of the evaporator 13 close to the air outlet 112, so that air in the cab 21 passes through the air inlet 111, the evaporator 13, and the indoor fan 12 in sequence under the action of the indoor fan 12 and is blown out from the air outlet 112. The indoor fan 12 is disposed on the side of the evaporator 13 close to the air outlet 112 to reduce the turbulence of the supplied air, thereby reducing the noise of the indoor unit 10.

Optionally, the indoor unit 10 of the air conditioner further includes a shock absorbing structure, and the shock absorbing structure is disposed between the installation seat 14 and the floor, so that the fastening member passes through the installation seat 14 and the shock absorbing structure in sequence and then is fixed on the floor. Of course, the shock absorbing structure may be formed without a fastener, similar to the use of a clamping force between the mounting base 14 and the floor to secure the shock absorbing structure.

Further optionally, the shock absorbing structure is a shock pad. The shock pad is made of at least one of rubber, silica gel, plastic, wood and sponge.

Of course, the damping structure may also be a damping sleeve wrapped outside the mounting seat 14, so as to protect the mounting seat 14 in all directions and achieve a damping effect.

In the present embodiment, the rail vehicle further includes an outdoor unit of air conditioner installed outside the vehicle body 20 and below the vehicle body 20, the outdoor unit of air conditioner being connected to the indoor unit of air conditioner 10 to supply refrigerant to the indoor unit of air conditioner 10; the outdoor unit of the air conditioner comprises an outdoor fan, and the cab 21 is provided with a storage battery for supplying power to the outdoor fan; wherein, the outdoor fan is a direct current EC fan. The pressure of the direct-current EC fan is adjustable, so that multi-gear speed regulation of the direct-current EC fan can be realized, the EC fan runs at low speed when the train is static, and the noise is reduced; when the vehicle runs, the EC fan runs at a high speed, so that the efficiency is improved, and the energy consumption is saved.

Specifically, the outdoor unit and the indoor unit 10 are connected by a refrigerant pipe.

Only set up one air conditioning indoor set 10 in the cab 21 of this application, merge 2 air conditioning indoor sets among the prior art into a great air conditioning indoor set of volume, increased the volume of air conditioning indoor set, and then increased the ventilation volume, reduce the turbulent flow, and then reduced the noise that the air conditioning indoor set produced.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the air conditioning indoor unit 10 of the present application is provided in a cab 21 of a vehicle body 20 to adjust the temperature in the cab 21. According to the air-conditioning indoor unit 10, the installation seat 14 is arranged on the shell 11, and the installation seat 14 is installed on the floor of the cab 21, so that the air-conditioning indoor unit 10 can be fixed on the floor of the cab 21, and the installation of the air-conditioning indoor unit 10 is more stable, because the weight of the air-conditioning indoor unit is heavier generally, the acting force of the air-conditioning indoor unit is applied to the floor downwards through the installation seat under the action of gravity, so that the floor has a good supporting effect on the air-conditioning indoor unit provided with the installation seat, and therefore the problem that the noise is larger due to vibration caused by shaking caused by acceleration and deceleration in the running process of the air-conditioning indoor unit 10 is avoided, the noise in the cab is reduced, and the riding comfort of the cab is.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rail vehicle, comprising:

a vehicle body (20), the vehicle body (20) having a cab (21);

the air-conditioning indoor unit (10) is arranged in the cab (21), the air-conditioning indoor unit (10) comprises a shell (11) and a mounting seat (14), the mounting seat (14) is arranged on the shell (11), and the mounting seat (14) is used for being connected with the floor of the cab (21) so that the air-conditioning indoor unit (10) is fixed on the floor of the cab (21).

2. The rail vehicle according to claim 1, characterized in that the mounting seats (14) are plural, the plural mounting seats (14) being provided around a circumference of a bottom of the housing (11); each mounting seat (14) is connected with the floor of the cab (21) through a fastener.

3. The rail vehicle according to claim 1, characterized in that the housing (11) has an intake opening (111) and an outlet opening (112), the intake opening (111) being arranged on a side wall of the housing (11) and the outlet opening (112) being arranged on a top wall of the housing (11).

4. The rail vehicle according to claim 3, wherein the air outlet (112) is provided in plurality, and the air outlets (112) are provided at intervals on a top wall of the housing (11).

5. The rail vehicle according to claim 4, characterized in that the rail vehicle further comprises a plurality of air supply hoses (30), each air supply hose (30) having a first connection end and a second connection end arranged oppositely; the air supply hoses (30) and the air outlets (112) are arranged in a one-to-one correspondence manner, a first connecting end of each air supply hose (30) is connected with the corresponding air outlet (112), and a second connecting end of each air supply hose (30) supplies air to different positions of the cab (21).

6. The rail vehicle according to claim 5, wherein the second connection end of each air supply hose (30) is provided with an air supply box, and an air supply opening is formed in the air supply box and provided with an air supply grille.

7. The rail vehicle according to claim 6, wherein the plurality of air supply boxes include a first air supply box (40) and a second air supply box (50), the first air supply box (40) is arranged below a front window of the cab, and a first air supply opening (41) is formed in the first air supply box (40); the second air supply box (50) is arranged on the side wall of the cab, and a second air supply opening (51) is formed in the second air supply box (50).

8. The rail vehicle according to any one of claims 3 to 7, characterized in that the cab (21) is provided with a battery; the air-conditioning indoor unit (10) comprises an indoor fan (12), the indoor fan (12) is arranged in the shell (11), and the storage battery is used for supplying power to the indoor fan (12); wherein the indoor fan (12) is a direct current EC fan.

9. The rail vehicle according to claim 8, characterized in that the indoor fan (12) is a backward centrifugal fan.

10. The rail vehicle of claim 8, wherein the indoor air conditioner unit (10) further comprises an evaporator (13), the evaporator (13) is disposed in the casing (11), and the indoor fan (12) is disposed on a side of the evaporator (13) close to the air outlet (112), so that air in the cab (21) is blown out from the air outlet (112) after passing through the air inlet (111), the evaporator (13) and the indoor fan (12) in sequence under the action of the indoor fan (12).

11. The rail vehicle according to any one of claims 1 to 7, further comprising an air conditioner outdoor unit installed outside the vehicle body (20) and below the vehicle body (20), the air conditioner outdoor unit being connected to the air conditioner indoor unit (10) to supply refrigerant to the air conditioner indoor unit (10); the outdoor unit of the air conditioner comprises an outdoor fan, and the cab (21) is provided with a storage battery for supplying power to the outdoor fan; wherein, the outdoor fan is a direct current EC fan.