Air conditioner for cab of railway vehicle and railway vehicle

Abstract

The utility model belongs to the technical field of railway vehicles, and discloses a railway vehicle cab air conditioner and a railway vehicle. A main shell of the air conditioner for the cab of the railway vehicle is provided with an air inlet and an air outlet, and the air outlet is used for being communicated with the cab of the railway vehicle; a fresh air box body of the fresh air adjusting structure is integrated on one side outside a main shell, the fresh air box body is provided with a fresh air channel, a fresh air opening, a first communicating opening and a second communicating opening, the fresh air opening, the first communicating opening and the second communicating opening are communicated with the fresh air channel, the fresh air opening is used for being communicated with the outside, the first communicating opening is used for being communicated with a cab of the railway vehicle, and the second communicating opening is directly communicated with an air inlet; the fresh air adjusting valve is arranged at the communicating position of the fresh air opening and the fresh air channel and used for adjusting the flow of fluid flowing from the fresh air opening to the fresh air channel; the temperature sensor is fixedly arranged in the fresh air channel. The temperature in the cab can be accurately and efficiently adjusted to the expected temperature, and extra energy consumption caused by the cab air conditioner body and / or the fresh air adjusting valve can be effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of rail vehicle technology, and in particular to air conditioning for rail vehicle cabs and rail vehicles. Background Technology

[0002] The fresh air compensation equipment in the locomotive driver's cab is responsible for mixing fresh outdoor air with the air inside the driver's cab to continuously replenish oxygen and regulate the air quality inside the driver's cab.

[0003] Currently, one type of air conditioner for a railway vehicle cab uses a fresh air inlet connected to an evaporator chamber on its casing to regulate air quality in the driver's cab. The evaporator chamber contains a temperature sensor and a fresh air control valve. While this achieves the goal of regulating air quality in the driver's cab, the temperature monitored by the temperature sensor near the return air inlet is partly derived from the temperature inside the evaporator chamber. Therefore, there is an error in controlling the opening of the fresh air control valve based on the temperature monitored by the temperature sensor. This results in low accuracy and efficiency in regulating the temperature in the driver's cab and causes additional energy consumption. Utility Model Content

[0004] The purpose of this utility model is to provide an air conditioner for a rail vehicle cab and a rail vehicle, so as to solve the above-mentioned problems existing in the existing rail vehicle cab air conditioners.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] Air conditioning for rail vehicle driver's cab, including:

[0007] The driver's cab air conditioning unit includes a main housing; the main housing is provided with an air inlet and an air outlet, and the air outlet is used to communicate with the driver's cab of the rail vehicle;

[0008] The fresh air conditioning structure includes a fresh air housing, a fresh air regulating valve, and a temperature sensor. The fresh air housing is integrated on one side of the main housing. The fresh air housing has a fresh air channel, and a fresh air inlet, a first connecting port, and a second connecting port connected to the fresh air channel. The fresh air inlet is used to connect to the outside, the first connecting port is used to connect to the driver's cab of the rail vehicle, and the second connecting port is directly connected to the air inlet. The fresh air regulating valve is located at the connection between the fresh air inlet and the fresh air channel, and is used to regulate the flow rate of fluid from the fresh air inlet to the fresh air channel. The temperature sensor is fixedly installed inside the fresh air channel.

[0009] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, the air outlet and the first connecting port are located on the same side of the main housing;

[0010] And / or, the fresh air inlet is located at the bottom of the fresh air box.

[0011] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, the fresh air duct is fan-shaped, with the first connecting port and the second connecting port located at opposite ends of the arc of the fan shape.

[0012] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, the fresh air box is also provided with a connecting channel, which connects the fresh air inlet and the fresh air channel.

[0013] The fresh air regulating valve includes a valve plate rotatably connected to the fresh air housing and located within the communication channel, and a drive component fixedly connected to the outside of the fresh air housing. The output shaft of the drive component is kinetically connected to the valve plate. The drive component can drive the valve plate to rotate so that the valve plate has a closed position that disconnects the fresh air inlet and the fresh air channel, and a connected position that fully connects the fresh air inlet and the fresh air channel.

[0014] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, the valve plate is provided with an elastic sealing layer. When the valve plate is in the closed position, the elastic sealing layer seals the gap between the valve plate and the inner wall of the communicating channel.

[0015] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, the valve plate is made of aluminum plate;

[0016] And / or, the elastic sealing layer is a rubber layer.

[0017] As an alternative to the air conditioning system in the cab of the aforementioned rail vehicle, the number of valve plates is at least two, and the at least two valve plates are distributed at directional intervals, the orientation being perpendicular to the direction in which fluid flows from the fresh air inlet to the fresh air duct.

[0018] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, a filter is provided at the fresh air inlet.

[0019] As an optional solution for the air conditioning system in the cab of the aforementioned rail vehicle, an air filter is fixedly installed in the fresh air duct.

[0020] The rail vehicle includes a driver's cab and the aforementioned rail vehicle driver's cab air conditioner, wherein the air outlet and the first connecting hole are both connected to the driver's cab.

[0021] The beneficial effects of this utility model are:

[0022] This utility model provides an air conditioner for a rail vehicle cab and a rail vehicle. The rail vehicle cab air conditioner includes an air conditioner body and a fresh air regulating structure. The air conditioner body includes a main housing; the main housing has an air inlet and an air outlet, the air outlet being used to connect to the driver's cab of the rail vehicle. The fresh air regulating structure includes a fresh air box, a fresh air regulating valve, and a temperature sensor. The fresh air box is integrated on one side of the main housing, and the fresh air box has a fresh air channel, and a fresh air inlet, a first connecting port, and a second connecting port connected to the fresh air channel. The fresh air inlet is used to connect to the outside, the first connecting port is used to connect to the driver's cab of the rail vehicle, and the second connecting port is directly connected to the air inlet. The fresh air regulating valve is located at the connection between the fresh air inlet and the fresh air channel, and is used to regulate the flow rate of fluid from the fresh air inlet to the fresh air channel. The temperature sensor is fixedly installed inside the fresh air channel.

[0023] Air in the driver's cab flows sequentially through the first connecting port, the fresh air duct, the second connecting port, and the air inlet. After being processed by the driver's cab air conditioning unit, it flows into the driver's cab through the air outlet to regulate the temperature inside the cab. Outside air flows sequentially through the fresh air inlet, the fresh air duct, the second connecting port, and the air inlet. After being processed by the driver's cab air conditioning unit, it flows into the driver's cab through the air outlet to both regulate the temperature inside the cab and replenish oxygen.

[0024] By integrating the fresh air box into one side of the main housing, and integrating the fresh air regulating valve and temperature sensor into the fresh air box, it can be understood that the fresh air regulating valve and temperature sensor are relatively independent of the internal environment of the cab air conditioning unit. This allows the temperature monitored by the temperature sensor to accurately reflect the temperature inside the driver's cab. The opening of the fresh air regulating valve is then controlled based on the temperature monitored by the temperature sensor, which enables the temperature inside the driver's cab to be accurately and efficiently adjusted to the expected temperature, and effectively avoids additional energy consumption caused by the cab air conditioning unit and / or the fresh air regulating valve. Attached Figure Description

[0025] Figure 1 This is a structural schematic diagram of the air conditioner in the driver's cab of a rail vehicle provided in a specific embodiment of this utility model;

[0026] Figure 2 This is a schematic diagram of the main housing structure provided in a specific embodiment of this utility model;

[0027] Figure 3 This is a schematic diagram of the fresh air conditioning structure provided in a specific embodiment of the present invention from a first perspective.

[0028] Figure 4 This is a schematic diagram of the fresh air conditioning structure provided in a specific embodiment of the present invention from a second perspective.

[0029] Figure 5This is a cross-sectional view of the fresh air conditioning structure provided in a specific embodiment of this utility model.

[0030] In the picture:

[0031] 1. Main casing; 11. Air inlet; 12. Air outlet;

[0032] 2. Fresh air conditioning structure;

[0033] 21. Fresh air housing; 211. Fresh air duct; 212. First connecting port; 213. Second connecting port; 214. Connecting channel;

[0034] 22. Fresh air regulating valve; 221. Valve plate; 222. Drive component;

[0035] 23. Temperature sensor;

[0036] 24. Filter screen;

[0037] 25. Air filter. Detailed Implementation

[0038] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0039] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0042] This utility model provides an air conditioner for the driver's cab of a rail vehicle, such as Figure 1-5 As shown, the air conditioning system for the rail vehicle cab includes an air conditioning unit and a fresh air conditioning structure 2. The air conditioning unit includes a main housing 1; the main housing 1 has an air inlet 11 and an air outlet 12, the air outlet 12 being used to connect to the driver's cab of the rail vehicle. The fresh air conditioning structure 2 includes a fresh air box 21, a fresh air regulating valve 22, and a temperature sensor 23; the fresh air box 21 is integrated on one side of the main housing 1, and has a fresh air channel 211, and a fresh air inlet, a first connecting port 212, and a second connecting port 213 connected to the fresh air channel 211. The fresh air inlet is used to connect to the outside, the first connecting port 212 is used to connect to the driver's cab of the rail vehicle, and the second connecting port 213 is directly connected to the air inlet 11; the fresh air regulating valve 22 is located at the connection between the fresh air inlet and the fresh air channel 211, and is used to regulate the flow rate of fluid from the fresh air inlet to the fresh air channel 211; the temperature sensor 23 is fixedly installed inside the fresh air channel 211.

[0043] Air in the driver's cab flows sequentially through the first connecting port 212, the fresh air duct 211, the second connecting port, and the air inlet 11. After being processed by the driver's cab air conditioning unit, it flows into the driver's cab through the air outlet 12 to regulate the temperature inside the driver's cab. Outside air flows sequentially through the fresh air inlet, the fresh air duct 211, the second connecting port 213, and the air inlet 11. After being processed by the driver's cab air conditioning unit, it flows into the driver's cab through the air outlet 12 to both regulate the temperature inside the driver's cab and replenish oxygen.

[0044] By integrating the fresh air box 21 onto the outer side of the main housing 1, and integrating the fresh air regulating valve 22 and temperature sensor 23 into the fresh air box 21, it can be understood that the fresh air regulating valve 22 and temperature sensor 23 are relatively independent from the internal environment of the cab air conditioning unit. This allows the temperature monitored by the temperature sensor 23 to accurately reflect the temperature inside the driver's cab. The opening of the fresh air regulating valve 22 is then controlled based on the temperature monitored by the temperature sensor 23, enabling the temperature inside the driver's cab to be accurately and efficiently adjusted to the expected temperature, and effectively avoiding additional energy consumption caused by the cab air conditioning unit and / or the fresh air regulating valve 22.

[0045] The specific structure of the driver's cab air conditioner is existing technology and will not be described in detail here. The fluid flowing through the fresh air duct 211 is air.

[0046] Optionally, such as Figure 1 As shown, the air outlet 12 and the first connecting port 212 are located on the same side of the main housing 1. This arrangement allows for direct connection between the air outlet 12 and the driver's cab, as well as between the first connecting port 212 and the driver's cab. This simplifies the structure of the air conditioner in the rail vehicle driver's cab, reduces its size, and lowers the production cost of the rail vehicle.

[0047] As an alternative, the air outlet 12 and the first connecting port 212 can be located on adjacent sides of the main housing 1 in a one-to-one correspondence. Furthermore, one of the air outlet 12 and the first connecting port 212 is directly connected to the driver's cab, while the other is connected to the driver's cab via a pipe.

[0048] Optionally, the fresh air inlet is located at the bottom of the fresh air housing 21. Compared to placing the fresh air inlet at the top of the fresh air housing 21, this arrangement reduces the risk of debris and other external particles entering the fresh air duct 211 through the fresh air inlet and then entering the cab air conditioning unit, thereby effectively extending the service life of the cab air conditioning unit and reducing the frequency of maintenance. Secondly, compared to placing the fresh air inlet at the top of the fresh air housing 21, this arrangement also reduces the risk of outside air leaking directly into the driver's cab through the fresh air regulating valve 22 when the fresh air regulating valve 22 disconnects the fresh air inlet and the fresh air duct 211.

[0049] As an alternative, the fresh air inlet can also be located on the outer peripheral wall of the fresh air housing 21, with the outer peripheral wall of the fresh air housing 21 situated between the top and bottom of the fresh air housing 21. It is understood that the outer peripheral wall of the fresh air housing 21 does not include the outer peripheral wall where the first connecting port 212 and the second connecting port 213 are located.

[0050] As an alternative, the fresh air inlet can also be located at the top of the fresh air box 21.

[0051] Further optional, such as Figure 3 and Figure 5 As shown, a filter 24 is installed at the fresh air inlet. This further reduces the risk of debris and other foreign objects entering the fresh air duct 211 through the fresh air inlet and then entering the cab air conditioning unit, thereby further extending the service life of the cab air conditioning unit and further reducing the maintenance frequency of the cab air conditioning unit.

[0052] Preferably, the fresh air duct 211 is fan-shaped, with the first connecting port 212 and the second connecting port 213 located at opposite ends of the arc of the fan. This arrangement improves the smoothness of airflow from the driver's cab through the first connecting port 212 to the second connecting port 213 via the fresh air duct 211, thereby further improving the efficiency of adjusting the temperature inside the driver's cab to the desired temperature.

[0053] As an alternative, such as Figure 1 and Figure 3-5 As shown in the figure, in this embodiment, the exemplary fresh air duct 211 is rectangular in shape.

[0054] In this embodiment, as Figure 1 and Figure 3-5 As shown, the exemplary configuration of the fresh air duct 211 is rectangular. The fresh air housing 21 is also rectangular. A first connecting port 212 is provided on the first side wall of the fresh air housing 21, and a second connecting port 213 is provided on the second side wall of the fresh air housing 21. The first and second side walls are connected and adjacent, and both the first and second side walls are located between the top and bottom walls of the fresh air housing 21.

[0055] Among them, such as Figure 4 and Figure 5 As shown, the fresh air box 21 is also provided with a connecting channel 214, which connects the fresh air inlet and the fresh air channel 211.

[0056] Specifically, such as Figure 4 and Figure 5 As shown, the fresh air regulating valve 22 includes a valve plate 221 rotatably connected to the fresh air housing 21 and located within the communication channel 214, and a drive member 222 fixedly connected to the outside of the fresh air housing 21. The output shaft of the drive member 222 is drively connected to the valve plate 221. The drive member 222 can drive the valve plate 221 to rotate, so that the valve plate 221 has a closed position that disconnects the fresh air inlet and the fresh air channel 211, and a connected position that fully connects the fresh air inlet and the fresh air channel 211. This arrangement is designed to regulate the fluid flow from the fresh air inlet to the fresh air channel 211. It can be understood that when the valve plate 221 is in the closed position, the opening of the fresh air regulating valve 22 is zero; when the valve plate 221 is in the connected position, the opening of the fresh air regulating valve 22 is at its maximum.

[0057] Optionally, the valve plate 221 is provided with an elastic sealing layer. When the valve plate 221 is in the closed position, the elastic sealing layer seals the gap between the valve plate 221 and the inner wall of the connecting channel 214. Thus, when the fresh air regulating valve 22 disconnects the fresh air inlet and the fresh air channel 211, the risk of outside air leaking directly into the driver's cab and / or the driver's cab air conditioning unit through the fresh air regulating valve 22 can be further reduced.

[0058] Optionally, the valve plate 221 is made of aluminum. Aluminum plates are lightweight, not easily deformed, and low in cost. In other embodiments, the valve plate 221 may also be made of steel or iron.

[0059] Optionally, the elastic sealing layer is a rubber layer. Rubber layers are elastic and inexpensive. In other embodiments, the elastic sealing layer may also be a foam layer, etc.

[0060] In this embodiment, each valve plate 221 is exemplaryly provided to be covered with an elastic sealing layer on its outer periphery.

[0061] Optionally, such as Figure 4 and Figure 5 As shown, there are at least two valve plates 221, which are distributed at directional intervals and are oriented perpendicular to the direction in which the fluid flows from the fresh air inlet to the fresh air duct 211. This makes each valve plate 221 small in size and light in weight, making it easy to install the valve plate 221 into the fresh air housing 21.

[0062] In this embodiment, the driving component 222 is a drive motor. The drive motor is connected to the two valve plates 221 via a transmission assembly. The transmission assembly can be a gear transmission assembly or a sprocket transmission assembly, etc. The specific structure of the gear transmission assembly or sprocket transmission assembly is prior art and will not be described in detail here.

[0063] In this embodiment, the drive motor is exemplary, being a stepper motor with a torque ≥ 5 N·m. The valve plate 221 has a response time ≤ 3 seconds and an opening error < 5%. The time taken for the drive motor to rotate the two valve plates 221 from the closed position to the connected position is 90 seconds.

[0064] In other embodiments, the shape of the fresh air inlet may also be circular, etc.

[0065] In other embodiments, the number of valve plates 221 may also be one.

[0066] In other embodiments, an elastic sealing layer may be provided only on the valve plate 221 in the area adjacent to the connecting channel 214, which can reduce the production cost of the fresh air regulating valve 22.

[0067] It is understandable that the shape of the fresh air inlet is not limited, and the shape of the valve plate 221 is not limited, as long as the valve plate 221 can effectively disconnect the fresh air inlet and the fresh air channel 211, and can effectively connect the fresh air inlet and the fresh air channel 211.

[0068] Optionally, such as Figure 1 and Figure 4As shown, an air filter 25 is fixedly installed inside the fresh air duct 211. The air filter 25 filters the air supplied to the air conditioning unit in the driver's cab, thereby further improving the air quality delivered to the driver's cab. The specific structure of the air filter is prior art and will not be described in detail here.

[0069] Optionally, such as Figure 1 and Figure 4 As shown, the temperature sensor 23 is integrated into the air filter 25. The temperature sensor 23 and the air filter 25 can be installed as a whole in the fresh air duct 211, which facilitates the assembly of the fresh air conditioning structure 2.

[0070] Further optional, such as Figure 1 and Figure 4 As shown, temperature sensor 23 is located below air filter 25. This positions temperature sensor 23 closer to the bottom of fresh air duct 211, thereby further improving the reliability of temperature monitoring by temperature sensor 23.

[0071] In other embodiments, the temperature sensor 23 and the air filter 25 may be fixed relatively independently within the fresh air duct 211.

[0072] In this embodiment, the temperature monitoring range of the temperature sensor 23 is set to 40℃~85℃, and the temperature sensor 23 collects temperature data once every thirty seconds.

[0073] This utility model also provides a rail vehicle, including a driver's cab, and the aforementioned rail vehicle driver's cab air conditioner. By adopting the aforementioned rail vehicle driver's cab air conditioner, the accuracy and efficiency of regulating the temperature and air quality in the driver's cab can be effectively improved, and additional energy consumption can be effectively avoided.

[0074] Specifically, the rail vehicle also includes a controller, and the temperature sensor 23, the drive unit 222 and the cab air conditioner are all electrically connected to the controller. The controller can control the operation of the drive unit 222 and the cab air conditioner.

[0075] Furthermore, the rail vehicle also includes a pressure sensor electrically connected to the controller. The controller can control the drive unit 222 based on the temperature monitored by the temperature sensor 23 and the pressure monitored by the pressure sensor. A display screen is provided in the driver's cab, through which control signals can also be sent to the controller to enable the controller to control the operation of the drive unit 222 and the driver's cab air conditioning unit.

[0076] Furthermore, the rail vehicle also includes a timer, which is electrically connected to the controller. The controller can control the drive unit 222 based on the continuous running time of the rail vehicle recorded by the timer.

[0077] Specifically, in this embodiment, the working principle of the air conditioner in the rail vehicle driver's cab is as follows:

[0078] The controller controls the drive unit 222 based on the temperature monitored by the temperature sensor 23, the pressure monitored by the pressure sensor, and the continuous running time of the rail vehicle recorded by the timer.

[0079] The pressure is monitored in real time. When the pressure detected by the pressure sensor exceeds the set pressure value, the controller drive 222 drives both valve plates 221 to rotate to the closed position. Specifically, when a rail vehicle enters a tunnel, the pressure detected by the pressure sensor will exceed the set pressure value, thus causing the air in the driver's cab to circulate internally when the vehicle enters the tunnel.

[0080] The temperature is monitored in real time. As the monitored temperature increases, the controller controls the drive unit 222 to rotate the two valve plates 221, gradually increasing the opening of the fresh air regulating valve 22, that is, gradually increasing the airflow through the connecting channel 214. Specifically, the driving time and the opening of the fresh air regulating valve 22 form a first MAP, and the controller controls the drive unit 222 according to the first MAP, which is an empirical MAP obtained from a large number of previous tests. In other embodiments, the temperature and the opening of the fresh air regulating valve 22 form a first table, and the controller controls the drive unit 222 according to the first table, which is an empirical table obtained from a large number of previous tests.

[0081] The travel time of the rail vehicle is recorded and increases as the rail vehicle continues to travel. The controller controls the drive unit 222 to rotate the two valve plates 221, gradually increasing the opening of the fresh air regulating valve 22, that is, gradually increasing the flow rate of fluid through the connecting channel 214. Specifically, the travel time and the opening of the fresh air regulating valve 22 form a second MAP, and the controller controls the drive unit 222 based on the second MAP, which is an empirical MAP obtained from a large number of previous experiments. In other embodiments, the travel time and the opening of the fresh air regulating valve 22 form a second table, and the controller controls the drive unit 222 based on the table, which is an empirical table obtained from a large number of previous experiments.

[0082] The display screen shows ventilation, cooling, heating, and shutdown statuses. When manually adjusted to ventilation, cooling, or heating mode, the control actuator 222 drives the two valve plates 221 to rotate to the connected position, and the fresh air regulating valve 22 opens to its maximum degree. When manually adjusted to shutdown mode, the control actuator 222 drives the two valve plates 221 to rotate to the closed position, and the fresh air regulating valve 22 opens to its minimum degree.

[0083] Furthermore, the priority of adjusting the opening of the fresh air regulating valve 22 via a human touch screen is higher than the controller's control of the drive unit 222 based on the temperature monitored by the temperature sensor 23, the pressure monitored by the pressure sensor, and the continuous running time of the rail vehicle recorded by the timer.

[0084] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An air conditioner for the driver's cab of a rail vehicle, characterized in that, include: The driver's cab air conditioning unit includes a main housing (1); the main housing (1) is provided with an air inlet (11) and an air outlet (12), the air outlet (12) being used to communicate with the driver's cab of the rail vehicle; The fresh air conditioning structure (2) includes a fresh air box (21), a fresh air conditioning valve (22), and a temperature sensor (23). The fresh air box (21) is integrated on the outside of the main housing (1). The fresh air box (21) is provided with a fresh air channel (211), and a fresh air inlet, a first connecting port (212), and a second connecting port (213) connected to the fresh air channel (211). The fresh air inlet is used to connect with the outside, the first connecting port (212) is used to connect with the driver's cab of the rail vehicle, and the second connecting port (213) is directly connected with the air inlet (11). The fresh air conditioning valve (22) is set at the connection between the fresh air inlet and the fresh air channel (211). The fresh air conditioning valve (22) is used to regulate the flow rate of fluid from the fresh air inlet to the fresh air channel (211). The temperature sensor (23) is fixedly set in the fresh air channel (211).

2. The air conditioner for the driver's cab of a rail vehicle according to claim 1, characterized in that: The air outlet (12) and the first communication port (212) are located on the same side of the main housing (1); And / or, the fresh air inlet is located at the bottom of the fresh air box (21).

3. The air conditioner for the driver's cab of a rail vehicle according to claim 1, characterized in that, The fresh air duct (211) is fan-shaped, with the first connecting port (212) and the second connecting port (213) located at opposite ends of the arc of the fan shape.

4. The air conditioner for the driver's cab of a rail vehicle according to any one of claims 1-3, characterized in that, The fresh air box (21) is also provided with a connecting channel (214), which connects the fresh air inlet and the fresh air channel (211); The fresh air regulating valve (22) includes a valve plate (221) rotatably connected to the fresh air housing (21) and located in the communication channel (214), and a drive member (222) fixedly connected to the outside of the fresh air housing (21). The output shaft of the drive member (222) is connected to the valve plate (221) in a transmission connection. The drive member (222) can drive the valve plate (221) to rotate so that the valve plate (221) has a closed position that disconnects the fresh air inlet and the fresh air channel (211), and a connected position that fully connects the fresh air inlet and the fresh air channel (211).

5. The air conditioner for the driver's cab of a rail vehicle according to claim 4, characterized in that, The valve plate (221) is provided with an elastic sealing layer. When the valve plate (221) is in the closed position, the elastic sealing layer seals the gap between the valve plate (221) and the inner wall of the communication channel (214).

6. The air conditioner for the driver's cab of a rail vehicle according to claim 5, characterized in that: The valve plate (221) is an aluminum plate; And / or, the elastic sealing layer is a rubber layer.

7. The air conditioner for the driver's cab of a rail vehicle according to claim 4, characterized in that, The number of valve plates (221) is at least two, and the at least two valve plates (221) are distributed at directional intervals, the orientation being perpendicular to the direction in which the fluid flows from the fresh air inlet to the fresh air channel (211).

8. The air conditioner for the driver's cab of a rail vehicle according to any one of claims 1-3, characterized in that, A filter (24) is installed at the fresh air inlet.

9. The air conditioner for the driver's cab of a rail vehicle according to any one of claims 1-3, characterized in that, An air filter (25) is fixedly installed inside the fresh air duct (211).

10. A rail vehicle, including a driver's cab, characterized in that, It also includes the rail vehicle cab air conditioner according to any one of claims 1-9, wherein the air outlet (12) and the first connecting hole are both connected to the driver's cab.

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