JPS6256002B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle cooling device suitable for installation in railway vehicles, particularly subway trains, etc.

2. Description of the Related Art The structure of a conventional cooling device installed for the purpose of reducing the height of a vehicle body will be explained with reference to FIGS. 1 and 2. FIG. 1 is a side sectional view in the longitudinal direction of a vehicle equipped with a conventional cooling system. In the figure, as a means of lowering the vehicle body height H, a so-called separate type cooling system is constructed in which the condenser unit 1 of the cooling system is installed under the floor, the evaporator unit 2 is installed between the roof and the ceiling, and both are connected by piping. The evaporator unit 2 is made smaller by using the evaporator unit 2. In this configuration, the air inside the vehicle is sucked into the evaporator unit 2 as shown by the dotted arrow, cooled there, and then sent into the vehicle interior as shown by the solid arrow through the discharge duct 3 installed in the ceiling. It is discharged. In this way, the height H of the vehicle body is lower than that of a system in which all the cooling equipment is mounted on the roof (so-called centralized system).

FIG. 2 is a sectional view showing details of the evaporator unit 2 in the end ceiling of the vehicle shown in FIG. In the figure, air inside the vehicle is sucked in by a fan 6 through a filter 5 provided on a ceiling plate 4, and is cooled by passing it through a cooler 7. The moisture removed from the air by cooling is transferred to the cooler 7.
The water is collected in a drain receiver 8 provided at the bottom of the drain pipe 9, and is discharged through a discharge pipe 9. In such a configuration of the evaporator unit 2, the ceiling plate 4 and the roof plate 1
0 is determined by the height b of the fan 6 or the height c of the cooler 7, and it is necessary to ensure the heights b and c of these devices. Furthermore, it is necessary to ensure a predetermined height h in the vehicle interior, taking into account the heights of the passengers. Therefore, in order to lower the vehicle body height H, a must be further narrowed. However, in the above configuration, it is difficult to narrow a due to the relationship between the capacity and size of each device. By the way, the height H of the vehicle body is high.
Naturally, there was a drawback that the vehicle capacity was large and the cross section of the tunnel through which the vehicles passed was large, resulting in high construction costs.

In view of the above points, the present invention aims to reduce the space inside the train by minimizing the protrusion of the part where the cooling system is installed into the inside of the train, in a vehicle cooling system installed in a railway vehicle running in a tunnel. prevent,
Moreover, the purpose is to reduce the vehicle limit of the vehicle by lowering the height of the vehicle body than that of the conventional vehicle.

Next, the present invention will be explained with reference to FIGS. 3 to 5. FIG. 3 is a side sectional view of a vehicle equipped with an embodiment of the cooling device according to the present invention, and FIG. 4 is an enlarged sectional view of the main part of FIG. 3. In FIGS. 3 and 4, the cooling system is of a separate type with a condenser unit installed under the floor, and the evaporator unit 2 is made smaller, similar to the conventional example, but as shown in FIG. The difference is that it is located at the corner where the ceiling board 4 and the gable lining 11 intersect and is covered with an inclined lining 12, and the distance d between the ceiling board 4 and the roof board 10 can be reduced without impairing the comfort of the room. However, the height H of the vehicle body can be lowered. Further, the cooler 7 is formed so that its thickness f is thicker than the gap between the inner gable 11 and the gable outer plate 13, that is, the inner gable space g.
1 and the gable outer lining 13, and the air inside the passenger compartment sucked through the filter 5 of the suction port formed in the gable inner lining 11 flows through the cooler 7, the cooler 7, and the suction duct 1.
4 and the suction duct 14 to flow into the fan 6. Further, water generated by cooling the air by the cooler 7 is collected in a drain receiver 8 provided at the lower part of the cooler 7, and is discharged through a drain pipe 9. According to such a configuration, since the cooler 7 is not provided in the ceiling, the space d in the ceiling can be reduced. In addition, the discharge duct 3 can be installed at the corner where the side lining of the vehicle body and the ceiling panel 4 intersect, or in some cases, it can also be used inside the ceiling space d, so there is no need to lower the ceiling panel 4 in the passenger compartment. . Furthermore, by providing the cooler 7 in the end part, the height e of the cooler 7 can be made larger and the thickness f can be made thinner than in the conventional example shown in FIG. The cooler 7 can be provided without increasing the thickness of the space g, and the increase in the vehicle body length L can be kept to a minimum. Moreover, the gable inner lining 11 and the gable outer panel 13 can be formed linearly without protruding the local part, that is, the part corresponding to the cooler 7, and a reduction in the interior space of the vehicle can be prevented.

FIG. 5 is a sectional view showing another embodiment of the present invention,
The mounting position of the fan 6 is the same as that in the embodiment shown in FIG. 4, but in this configuration, the cooler 7 is mounted in the suction duct 14 at an angle. According to such a configuration, air flows easily between the cooler 7, the gable lining 11, and the gable outer panel 13,
The gap between the inner gable 11 and the outer gable 13 can be narrowed. In addition, an outside air intake port is provided on the gable outer lining 13 and is provided with a fresh air filter 15 in correspondence with the filter 5, so that indoor air and fresh air can be appropriately taken in.

In addition, in the embodiment of the present invention, an example in which a Sirotskov fan is used as the fan is illustrated and explained, but the present invention is not limited to this, and if a through-flow fan is used, there is no need to provide free space at both ends of the fan. At the same time, the fan casing can be replaced by the lining and walls, making it possible to downsize the entire fan. Furthermore, since the air flow path becomes smooth, ventilation resistance is reduced and the operating efficiency of the fan is improved.

As explained above, according to the present invention, by arranging the cooler between the gable inner panel and the gable outer panel, which are linearly arranged in parallel and forming the gable part, the overhang into the car interior is reduced and the cooler is placed inside the car. It is possible to prevent a reduction in space, and because as few devices as possible are installed on the ceiling, the thickness of the ceiling can be made thinner and the height of the vehicle body can be kept low. Therefore, the cross-section of the tunnel through which the vehicle passes can be reduced by reducing the vehicle limit, and construction costs can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a side cross-sectional view of a vehicle equipped with a conventional cooling system, FIG. 2 is a cross-sectional view showing details of the evaporator unit shown in FIG. 1, and FIG. 3 is a vehicle equipped with an embodiment of the cooling system according to the present invention. Side sectional view of the vehicle, No. 4
This figure is an enlarged sectional view of the main part of FIG. 3, and FIG. 5 is a sectional view similar to FIG. 4 showing another embodiment of the cooling device according to the present invention. 1... Condenser unit, 2... Evaporator unit, 3... Discharge duct, 4... Ceiling plate, 5... Filter, 6... Fan, 7... Cooler, 8... Drain receiver, 9... Drainage Pipe, 10... Roof board, 11... Gable lining, 12... Lining, 13...
Gable outer plate, 14... Suction duct, 15... Fresh air filter.

Claims (1)

[Scope of Claims] 1. A railway vehicle having a gable constituted by a frame member, a gable outer plate attached to the outside of the frame member, and a gable lining attached to the inside of the frame member. In a separate type vehicle cooling system installed in The installed suction port, a blower connected to the suction duct and placed on the upper part of the gable and sucking air through the suction duct, and formed thinner than the interval between the gable inner lining and the gable outer plate. and a cooler arranged between a gable lining and a gable outer panel arranged in parallel and forming the suction duct to cool the air guided to the blower through the suction duct. Vehicle cooling system. 2. The vehicle cooling device according to claim 1, characterized in that an inlet for taking in outside air is provided at a position upstream of the air conditioner in the end outer plate forming the suction duct.