JPS5861011A - Ventilation cooling equipment for vehicle - Google Patents

Abstract

PURPOSE:To reduce in-rush dust rate from the outside of a vehicle in such a way that the captioned equipment for locomotive, etc., a suction port of a ventilation duct to lead cooling air from the outside of the vehicular body is installed on the side wall of the vehicular body, and the ventilation duct is formed into U-letter shape. CONSTITUTION:A ventilation duct 24 is wholly formed into a U-letter shape, and corner portions 25 which form its bent parts are formed into an arc shape. Besides, a louver 27 is installed on the side wall of a vehicular body 1 so as to prevent it from in-rush of rain abd snow, the louver 27 is used also for the suction port of the ventilation duct 24, and an exhaust port 28 of the ventilation duct 24 is arranged at the upper part of the vehicular body 1. Air in the outside of the vehicle is led through the ventilation duct 24 into a fak 16 which is driven by a three-phase induction motor 17, and draft which is generated by a fan 16 is led to a resistor 15 for being cooled. In this occasion, dust in the air is accumulated on the bottom part at the lower part 26 of the duct 24, and after that, it is exhausted out of the vehicle by reverse turning of the fan 16.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ventilation cooling system for a vehicle, and more particularly to a device capable of suppressing dust entering into a ventilation duct to a low level.

1 and 2 are explanatory diagrams showing a schematic configuration of a locomotive as an example of a vehicle equipped with a general cooling system which is a subject of the present invention, and FIG. 1 is a cross-sectional plan view; Figure 2 is a side view. In these figures, 1 is the car body forming the main body of the locomotive, 2t:1 is the cooling filter installed on one side wall of the car body 1, 3 is the cooling blower, and 4 and 5 are the control The device is 1. installed in the machine room containing the 6 i1 phase exchanger. 8 is the machine room passage forming both sides of the vehicle body 1;
．． 1 (IN partition door, 11 is for cooling) - 0 (partition wall that partitions the Isogami room passage 8 of 1j and the machine room, where the filter 2 is placed) 12←J window, this is the cooling filter 2 It is provided on a side wall located on the side opposite to the side wall of the vehicle body 1 on which it is placed.

13 is a main motor, 14 is a ventilation duct that guides the wind generated by the cooling fan 3 to the main motor 13, 15 is a resistor, and 16 is a resistor cooling fan. The main motor 13 and the resistor 15 described above constitute a cooled body that is cooled by ventilation.

FIG. 3 is a longitudinal sectional view showing an example of a conventional ventilation cooling device installed in such a locomotive. The vehicle body 1, resistor 15, and resistor cooling fan (hereinafter simply referred to as "blower") 16 shown in FIG. 3 are the same as those described above. In FIG. 3, 17 is an electric motor that drives the blower 16;
For example, a three-phase induction motor, 18 is a ventilation duct. As shown by the arrow in the figure, this ventilation duct 18 guides the air outside the vehicle body 1 to the blower 16, as well as to the wind noise resistor 15 generated by the blower 16, and further to the resistor 1.
5 is guided to the outside of the wind turbine body 1 after being used for cooling. 19 is a suction port of the ventilation duct 18, which is located at the lower part of the vehicle body 1. Reference numeral 20 denotes an exhaust port 18 which is disposed at this suction port 19 and cleans the air sucked into the ventilation duct 18 from the outside of the vehicle body 1, and is located at the upper part of the vehicle body 1.

By the way, in such a device, the suction port 19 of the ventilation duct 18 is located at the lower blade of the car body 1, so that dust including soil near the ground surface where the locomotive is placed is drawn into the ventilation duct. Inhaler j'1 within 18. Due to the fact that the lower part 22 of the ventilation duct 18 is formed with a right-angled corner 23, the air flow sucked into the ventilation duct 18 is not clear, and as a result, the corner There should be some dust in section 23.

Therefore, cleaning work to remove dust from inside the ventilation duct 18 is required from time to time.

When performing this cleaning work, in the conventional ventilation cooling device described in
The dust inside the ventilation duct 18 including the corner portion 23 is cleaned using a vacuum cleaner, or the lower part 22 of the ventilation duct 18 is removed to remove dust. The problem is that the removal and installation of the lower part 22 is troublesome, and because there is a large amount of dust, the work takes time and no improvement in work efficiency can be expected.

The present invention has been made in view of the actual situation in the prior art, and its purpose is to provide a vehicle for use in which the amount of dust that enters the ventilation duct and the amount of dust that accumulates inside the ventilation duct can be suppressed to a low level. The purpose of the present invention is to provide a ventilation cooling device.

In order to achieve this object, the present invention arranges the suction port of the ventilation duct on the side wall of the vehicle body to sufficiently separate the ground on which the vehicle is installed and the suction port of the ventilation duct, and the entire ventilation duct is It has a shape of [2], and the corners forming this U-shaped curved part are arcuate to enable smooth flow of air guided inside the ventilation duct.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a ventilation cooling device for a vehicle according to the present invention will be explained based on the drawings. 4 to 6 are explanatory diagrams showing the entire first embodiment of the present invention, FIG. 4 is a vertical sectional view drawn corresponding to the previous FIG. 3, and FIG. 5 is shown in FIG. 4. A wiring diagram of the electric motor included in the device, FIG. 6 is a sectional view showing the state of the device shown in FIG. 4 during cleaning, and FIG. 7 and FIG. In the figures, FIG. 7 is a longitudinal sectional view drawn corresponding to the conventional FIG. 3, FIG. 8 is a longitudinal sectional view showing the state of the apparatus shown in FIG. 7 during cleaning, and FIG. This is a vertical sectional view showing the third embodiment, and is drawn in correspondence with the previous drawing. In addition, in these figures, are the same numbers used in Figures 1 to 3 the same parts? show.

In FIGS. 4 to 6, reference numeral 24 denotes a ventilation duct, whose overall basic shape is U-shaped.

The corner portion 25 forming the curved portion is formed into an arc shape. As a result, the vertical cross-sectional area of each portion of the lower portion 26 of the ventilation duct 24 in the direction perpendicular to the airflow is approximately the same.

Reference numeral 27 denotes a shutter provided on the side wall of the vehicle body 1. This shutter 27 completely prevents rain and snow from entering the vehicle body 1, and also forms an inlet for the ventilation duct 24.

Reference numeral 28 denotes an outlet of the ventilation duct 24, which is arranged at the upper part of the vehicle body 1. In addition, a three-phase induction motor 1 that drives the blower 16
7 is a changeover switch 29.30'e as shown in FIG.
Connection 1 to a predetermined power supply via. Therefore, by switching these changeover switches 29 and 30, the three-phase visiting electric motor 17 can be rotated forward or reverse.

In the case of cooling the resistor 15 in this first embodiment, as shown in FIG. shutter 2
The cooling air may be drawn into the ventilation duct 24 from the section 7 and guided through the ventilation duct 24 as cooling air. The wind after cooling the resistor 15 is discharged to the outside of the vehicle body 1 through the discharge port 28.

In this case, since the suction port of the ventilation duct 24, that is, the shutter 27, is provided on the side wall of the car body 1 that is sufficiently separated from the ground on which the locomotive is placed, dust contained in the air sucked into and exhaled into the ventilation duct 24 can be removed. The amount is kept to a minimum. Since the cross-sectional area of each part of the lower part 26 of the ventilation duct 24 is approximately the same, and the corner part 25 is formed in an arc shape, the air flowing inside this ventilation duct 24 collides at the corner part 25. It is guided in the direction of the resistor 15 without causing any noise. In other words, air with a low dust content can be made to flow smoothly into the ventilation duct 24.

Even if the resistor 15 is cooled using air with less dust, after a certain period of time, dust will accumulate on the bottom of the lower part 26 of the ventilation duct 24. However, in that case, you can clean all the dust as follows. That is, by appropriately switching the changeover switches 29 and 30 shown in FIG.
l■ Reverse the moving ram 17 and rotate the blower 16 in the opposite direction VC to that used when cooling the resistor 15 as shown in 2
External air is passed through the ventilation duct 24 from the 4Vl output IT 128 of 4, and all the dust is conveyed on this air flow, and the shutter 2 forms the suction port of the ventilation duct 24 for this dust.
7 to the outside of the vehicle body 1. In this way of dust? ＃j・When cleaning, blower 16 should be cleaned:
Since the air blower 16 can be used for both purposes, there is no need for a special vacuum cleaner, and the reverse rotation of the blower 16 is extremely easy as it only requires switching the changeover switch 29, 30'e. Note that the changeover switch 29.30 may be configured to be changed by manual operation, and the changeover switch 29.3
A timer or the like may be connected to 0 to automatically switch the switch after a certain period of time has elapsed.bThe second embodiment shown in Fig. 7.8 has an air flow rate that makes it possible to completely block the flow of air in the ventilation duct 24. A shutter 31, an opening 32 provided at the bottom of the lower portion 26 constituting the ventilation duct 24, and a lid 33 covering the opening 32 are provided. The air volume shutter 31 is configured to be rotatable, and during normal operation, that is, when the resistor 15 is being cooled, it hangs down due to its own weight, thereby allowing air to flow within the ventilation duct 24. Also ventilation duct 2
When cleaning dust that has accumulated inside 4, use this air volume shutter 3.
1 rotates in the direction of the shutter 27 and blocks the ventilation duct 240 passage. The above-mentioned lid 33 has one end rotatably supported by the lower part 26 of the ventilation duct 24, and has a spring 3 attached to a placket 34 fixed to the lower part 26.
It is attached to 5. The other configurations are the same as those of the first embodiment described above.

In the device configured as in the second embodiment, since the air volume shutter 31 hangs down as shown in FIG. 7 when the resistor 15 is cooled, it is similar to the first embodiment. Air from outside the vehicle body 1 is guided into the ventilation duct 24. When cleaning a small ventilation duct 24, the three-phase conductive motor 17 is completely reversed, and the blower 16 generates air flowing in the opposite direction during cooling. As shown in FIG. The flow of wind from the lower part 26 of the ventilation duct 24 toward the shutter 27 is blocked by the wind fJ-shutter 31. In this case, the air volume shutter 31 is designed to hang down due to its own weight, but this air volume shutter 31 is supported by a spring L, and when the resistor 15 is cooled, it hangs down as shown in FIG. The air volume shutter 31 may be configured to rotate against the force of the spring.

In the third embodiment shown in FIG. 9, the ventilation duct 240
An opening 32 is provided at the corner 25 of the lower portion 26 located in the direction of the side wall of the shutter, and a lid 36 is provided to cover this opening 32. A filter 37 is provided at the back of the shutter 27. The lid 36 can be attached to and detached from the lower portion 26 of the ventilation duct 24 by fastening means such as bolts. The other configurations are the same as those of the first embodiment described above.

In the device configured as in this third embodiment, the air sucked in from the outside of the vehicle body 1 when the resistor 15 is cooled is filtered by the filter 37 Vc, so that it is guided to the ventilation duct 24. The amount of dust contained in the air can be further reduced. When cleaning, the lid 36 may be removed from the ventilation duct 24 and the three-phase induction motor 17 may be reversed. In this third embodiment, the ventilation duct 24 is f? :,
Since the amount of dust that can be absorbed is small, the three-phase induction motor 17 is not operated during cleaning, and the cover 36 is simply removed.
) 1032 may be used to remove dust. Note that in any of the first, second, and third embodiments of Section 2,
The motor 11 to drive the blower 16 and the three-phase d6 electric conductor 17'ff are provided, but the electric motor is connected to the motor 19 (
VC 11>Matsu, reverse is possible h1)
It is fine as long as it is something.

Ventilation Cooling System for Vehicles of the Invention As mentioned above, the ventilation duct suction ports are provided on the side walls of the entire vehicle body, and the air flow through the ventilation duct is sufficiently far from the ground on which the vehicle is installed. Due to its U-shaped structure, which allows for smooth cleaning, it is possible to reduce the amount of dust needles that enter the ventilation duct and the amount of dust that stays in the ventilation duct compared to conventional devices. This has the effect of reducing the frequency of

[Brief explanation of drawings]

1 and 2 are explanatory diagrams showing an example of a vehicle equipped with a ventilation cooling device, which is a subject of the present invention. FIG. 1 is a cross-sectional plan view, FIG. 2 is a side view, and FIG. 3 is a conventional FIGS. 4 to 6 are explanatory diagrams showing a first embodiment of the vehicle ventilation cooling device of the present invention, and FIG. 4 is a longitudinal sectional view showing an example of the vehicle ventilation cooling device. Fig. 5 is a wiring diagram of the electric motor included in the device shown in Fig. 4, Fig. 6 is a longitudinal sectional view showing the state of equipment R shown in Fig. 4 during cleaning, and Figs. 7 is a longitudinal sectional view showing a second embodiment of the invention, FIG. 8 is a longitudinal sectional view showing the state of the apparatus shown in FIG. 7 during cleaning, and FIG. 9 is a longitudinal sectional view showing a second embodiment of the invention. FIG. 3 is a vertical cross-sectional view showing a third embodiment. 1...Car body, 15...Resistor, 16.
・Curved resistor cooling blower, 17. Old three-phase induction motor, 24... Ventilation duct, 25... Corner part, 26... Lower part, 27... shutter, 28 river... discharge port, 29.30... changeover switch, 31... air volume shutter, 32...
...Opening, 33.36...Lid, 34...
... Bracket, 35 ... Spring, 37 ...
··filter. Agent Patent Attorney Takeshi IFiI 72 Figure 3 Figure 4 ';! '6 Figure 7 Figure 7 Figure 8 Figure q

Claims (1)

[Scope of Claims] 1. A vehicle body, a cooled body provided in the vehicle body, and a ventilation duct that guides air for cooling the cooled body from outside the vehicle body and has an outlet at the top of the vehicle body; In the ventilation cooling device for a vehicle, which is equipped with an air blower disposed inside the ventilation duct, cools an object to be cooled with the air generated by the air blower, and discharges the air to the outside of the vehicle body. Ventilation cooling for a vehicle, characterized in that it is disposed on the side wall of the vehicle body, the entire ventilation duct is formed in a U-shape, and the corner portions forming the curved portions of the U-shape are formed in an arc shape. Device. 2. The ventilation cooling device for a vehicle according to claim 1, further comprising an opening for discharging dust in the lower part of the ventilation duct and a lid covering the opening. 3. Claims 1 or 2 are characterized in that they are provided with an electric motor that drives the blower in a completely reversible manner, and a changeover switch that is connected to this electric motor and that makes the rotation of the electric motor reversible. A ventilation cooling device for a vehicle as described in Section 1.