JPH05131843A - Ventilating device for automobile - Google Patents

Abstract

PURPOSE:To provide an automobile ventilating device capable of performing the rapid ventilation of the vehicle interior. CONSTITUTION:An upper ventilating duct 1 with one end thereof opened onto a rear tray 3 behind a rear seat, and a lower ventilating duct 2 with one end thereof opened below the rear seat are disposed at a vehicle. At the time of internal air temperature Tr-set temperature Tset>specified value K1 in the vehicle interior, a bllowout mode is set to a vent mode to blow out air from the front seat side, and the air is sucked from the ventilating duct 1 and discharged outside the vehicle, that is, air flow is generated at the upper part in the vehicle interior. At the time of Tset-Tr > specified value K2, the blowout mode is set to a heat mode to blow out air from the front seat side, and the air is sucked from the lower ventilating duct 2 and discharged outside the vehicle interior, that is, air flow is generated at the lower part in the vehicle interior.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle ventilation system for ventilating a vehicle interior.

[0002]

2. Description of the Related Art Japanese Utility Model Laid-Open No. 58-75107 discloses ventilation of a vehicle interior when the vehicle interior temperature rises above a certain set temperature, such as when the vehicle is parked in the hot sun for a long time. A ventilation device for a vehicle is disclosed, which releases hot air inside the vehicle to the outside of the vehicle.

[0003]

Although the above-mentioned prior art can certainly release the hot air in the vehicle interior to the outside of the vehicle interior, it takes a considerable amount of time to completely release the hot air. In that sense, automobile users have long eagerly waited to provide a vehicle equipped with an automobile ventilation device capable of ventilating the interior of the vehicle faster.

Therefore, the present invention aims to satisfy the demands of the above users.

[0005]

In order to achieve the above-mentioned object, the present invention is characterized in that, in one aspect of the invention, one end is opened in the upper part of the interior of the vehicle and the other end communicates with the outside of the vehicle. Upper ventilation duct, a lower ventilation duct having one end opened at a lower portion of the vehicle compartment and the other end communicating with the outside of the vehicle compartment, and the upper ventilation duct or the lower ventilation duct. A ventilation fan for discharging the air in the vehicle compartment to the outside of the vehicle through the air, and whether the air in the vehicle compartment is discharged through the upper ventilation duct or the lower ventilation duct. The up / down switching means for selectively switching the temperature information, the temperature information detecting means for detecting the temperature information around the automobile, the signal level from the temperature information detecting means, and a predetermined signal level are compared and determined, and the comparison determination is made. As a result of the temperature When the signal level from the signal detection means is higher than the preset signal level, a control signal is output to the up / down switching means so that the air in the vehicle compartment is discharged through the upper ventilation duct, And when the signal level from the temperature information detecting means is lower than the preset signal level, a control signal is sent to the up / down switching means so that the air in the vehicle compartment is discharged through the lower ventilation duct. The gist of the invention is an automobile ventilation system including a control device for outputting.

According to the second aspect of the present invention, a blower for blowing air into the passenger compartment of the automobile, a vent outlet for blowing the air toward the upper half of the occupant, and the air blown toward the occupant's feet. And a blowout port switching means for switching between blowing out the air from the vent blowout port or the heat blowout port, and one end opening inside the vehicle interior and the other end communicating with the outside of the vehicle interior A ventilation duct, a ventilation fan for discharging the air in the passenger compartment to the outside of the passenger compartment through the ventilation duct, a temperature information detecting means for detecting temperature information around the automobile, and the temperature. The signal level from the information detecting means and the preset signal level are compared and determined, and as a result of the comparison and determination, the signal level from the temperature information detecting means is the preset signal level. When higher, when outputting a control signal to the outlet switching means to blow air from the vent outlet, and when the signal level from the temperature information detecting means is lower than the preset signal level The gist of the invention is a ventilation device for an automobile, which comprises a control device for outputting a control signal to the outlet switching means so as to blow out the air from the heat outlet.

[0007]

According to the present invention, when the signal level from the temperature information detecting means for detecting the temperature information around the automobile is higher than the preset signal level, that is, the vehicle is parked for a long time in the summer, for example. When the inside of the vehicle is filled with hot air, the hot air is discharged to the outside of the vehicle through the upper ventilation duct. In other words, in the present invention, focusing on the fact that warm air generally has the property of rising,
In particular, the control device outputs a control signal to the up / down switching means so that the hot air filled in the upper part of the vehicle interior is discharged from the upper part of the vehicle interior to the outside of the vehicle interior, so that the hot air can be quickly released to the outside of the vehicle interior. .. Then, the ventilation fan operates to actually perform ventilation.

Further, when the signal level from the temperature information detecting means for detecting temperature information around the automobile is lower than a preset signal level, that is, when the interior of the vehicle is considerably cold in the early morning of winter, for example, The cold air is discharged to the outside of the vehicle compartment through the lower ventilation duct. In other words, the present invention focuses on the fact that cold air generally has the property of descending, so that the cool air filled in the vehicle interior, particularly in the lower portion of the vehicle interior, is discharged from the lower portion of the vehicle interior to the outside of the vehicle interior. The control device outputs a control signal to the up / down switching means so that the cool air can be quickly discharged to the outside of the vehicle compartment.
Then, the ventilation fan operates to actually perform ventilation.

According to the second aspect of the invention, when the signal level from the temperature information detecting means for detecting the temperature information around the automobile is higher than a preset signal level, that is, when the upper part of the vehicle compartment is filled with hot air. The control device outputs a control signal for the blower to blow the air into the vehicle compartment from the vent outlet to the outlet switching means. This causes an air flow in the upper part of the passenger compartment. At this time, if the ventilation fan is operated, this air flow can be discharged to the outside of the vehicle compartment, and the hot air in the vehicle interior can be quickly discharged to the outside of the vehicle compartment.

Further, when the signal level from the temperature information detecting means for detecting the temperature information around the automobile is lower than a preset signal level, that is, when the lower portion of the vehicle compartment is filled with cold air, the blower heats up. The control device outputs a control signal for blowing air from the outlet into the passenger compartment to the outlet switching means. This causes an air flow in the lower part of the passenger compartment. At this time, if the ventilation fan is operated, this air flow can be discharged to the outside of the vehicle compartment, and the cool air in the vehicle interior can be quickly discharged to the outside of the vehicle compartment.

Further, according to the invention of claim 2, as the air outlet for causing the air flow above or below the vehicle interior,
Since the existing vent outlet and heat outlet are used, it is not necessary to separately provide an outlet for causing an air flow above or below the vehicle interior, and it is possible to prevent cost increase.

[0012]

As described above, according to the present invention, it is possible to quickly perform ventilation depending on whether the interior of the automobile is hot or cold.

[0013]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic view showing an embodiment in which a vehicle ventilation device of the present invention is assembled in a vehicle.

In FIG. 1, reference numeral 1 denotes an upper ventilation duct, one end of which is a rear tray 3 provided behind the rear seat.
It is open at. Reference numeral 2 is a lower ventilation duct, one end of which opens at the bottom of the rear seat.

Upper ventilation duct 1 and lower ventilation duct 2
An up / down switching damper 4, which is an up / down switching unit that alternately opens and closes the upper ventilation duct 1 and the lower ventilation duct 2, is provided at the boundary portion between and. Further, a ventilation fan 5 driven by a ventilation fan blower motor 12 is disposed downstream of the up / down switching damper 4. Further, in the rear tray 3, an up / down switching server for driving the up / down switching damper 4 is installed.
A bomber 6 is provided.

On the front seat side of this automobile, a vent outlet 7 is provided in the instrument panel and a heat outlet 8 is provided at the feet. Further, on the front seat side, there are provided an outlet switching damper 9 as an outlet switching means for alternately opening and closing the vent outlet 7 and the heat outlet 8 and an outlet switching servomotor 10 for driving the same. There is. Further, a publicly known blower (not shown) is provided on the front seat side, and air is blown into the vehicle interior by the blowing action of the blower.

Reference numeral 11 denotes a control device, which inputs temperature information from an inside air sensor as a temperature information detecting means (not shown) and a temperature setter. The control device 11 also inputs temperature information from an outside air sensor and a solar radiation sensor (not shown).

The control device 11 which has input the above temperature information performs arithmetic processing according to a predetermined program, and based on the arithmetic result, an up / down switching servo motor 6, a ventilation fan blower motor 12, and an outlet switching. A blower motor that outputs a control signal to the servo motor 10 and also drives a blower (not shown), a servo motor that drives an inside / outside air switching damper, and a servo motor that drives an air mix damper. −
Control signal to the controller.

Next, the operation of the above structure will be described with reference to FIG. 2 is a flowchart showing the control flow of the control device 11. First, in step 10, the controller 11 reads the set temperature T _set set in the temperature setter and the inside air temperature T _r detected by the inside air sensor.

Here, when the inside temperature _Tr is extremely high and it is necessary to cool the inside of the vehicle as soon as possible, that is, when the vehicle is parked for a long time in the hot sun in the summer, the occupant will see the inside temperature of the vehicle. The set temperature T _set may be _set to the lowest level in order to lower T _r . At this time, in step 20, it is determined that the inside air temperature T _r is higher than the set temperature T _set by the predetermined value K1 or more (YES).

If YES is determined in step 20, the control device 11 determines in step 30 that the air volume of the blower on the front seat side is maximum, the inside / outside air mode is the outside air mode, the blowout mode is the vent mode, and the air mix. A control signal is output to each actuator so that the mode is set to max cool. Further, in step 30, the control device 11 sets the ventilation mode on the rear seat side to the upper mode and the ventilation fan 5
The control signal is output so that each of them is turned on.

By controlling each actuator as in step 30, an air flow occurs above the interior of the automobile. Moreover, since the air volume of the blower is the maximum and the ventilation fan 5 is also driven, the speed of this air flow is very fast. Further, since warm air has the property of rising, the hot air in the passenger compartment is filled more above it. Therefore, even in the case where the hot air is filled in the vehicle interior, especially above it, in the present embodiment, the hot air can be quickly discharged to the outside of the vehicle interior.

Next, when NO is determined in the step 20, the inside temperature _Tr is set to the set temperature T in the step 40.
_It is determined whether or not it is lower than set by a predetermined value K2 set in advance.

The case where YES is determined in step 40 is when the interior of the vehicle is considerably cold, as in the early morning of winter. That is, at this time, the occupant sets the set temperature T _set to a considerably high value in order to quickly warm the passenger compartment, so that T _set −T _r > K 2.

As described above, YES in step 40.
When it is determined that the inside of the vehicle is considerably cold, in this case, in step 50, the air volume of the blower on the front seat side is maximum, the inside / outside air mode is the outside air mode, and the blowout mode is the heat mode. , A control signal is output to each actuator so that the air mix mode becomes max hot respectively. Further, in step 50, the control device 11 outputs a control signal so that the ventilation mode on the rear seat side is the lower mode and the ventilation fan 5 is on.

By controlling each actuator as in step 50, an air flow occurs below the interior of the automobile. Moreover, since the air volume of the blower is the maximum and the ventilation fan 5 is also driven, the speed of this air flow is very fast. Further, since the cold air has the property of descending, the cold air inside the vehicle compartment is more filled below it. Therefore, even in the case where the passenger compartment, especially the lower portion thereof, is filled with cold air, the hot air can be quickly discharged to the outside of the passenger compartment in the present embodiment.

When NO is determined in step 40,
That is, when the vehicle compartment is neither unnecessarily hot nor is it unnecessarily cold, in step 60, the air conditioner control is performed as usual.

As described above, in one embodiment of the present invention, when the passenger compartment is extremely hot, air is blown from above the front seat side, and the air is sucked from above the rear seat and discharged outside the passenger compartment. Therefore, the hot air, which is filled more in the upper part of the vehicle interior, can be discharged to the outside of the vehicle faster.

When the passenger compartment is considerably cold, air is blown from below the front seat side, and the air is sucked from below the rear seat and discharged to the outside of the passenger compartment. The cold air that is present can be discharged to the outside of the vehicle faster.

Further, in the above-mentioned embodiment, when it is judged that the inside air temperature _Tr -the set temperature _Tset > K1 or _Tset - _Tr > K2, the controller 11 causes the ventilation fan 5 to be in the ON state. The control signal is output so that That is,
Since the drive of the ventilation fan 5 is automated, it is possible to save the trouble of manually driving the ventilation fan 5 by an occupant.

In the above embodiment, one end of the upper ventilation duct 1 is opened on the rear tray 3 at the rear of the rear seat, but it may be opened on the ceiling. Further, in the above embodiment, one end of the lower ventilation duct 2 is opened below the rear seat, but it may be opened below the front seat. Further, the openings may be provided both below the front seats and below the rear seats.

In the above embodiment, the up / down switching means is composed of the up / down switching damper 4 and the up / down switching servo motor 6,
The up / down switching servo motor 6 drives the up / down switching damper 4 so that the upper ventilation duct 1 and the lower ventilation duct 2
And were alternately opened and closed, but ventilation fans were provided in the upper ventilation duct 1 and the lower ventilation duct 2, respectively, and each fan was independently driven and controlled so that air could flow in one duct. Is also good.

Further, by attaching temperature sensors to the suction ports of the upper and lower ventilation ducts respectively, more accurate control can be achieved.

[Brief description of drawings]

FIG. 1 is a schematic view showing an embodiment in which a vehicle ventilation device of the present invention is mounted on a vehicle.

FIG. 2 is a flowchart showing the operation of the above-described embodiment.

[Explanation of symbols]

 1 Upper ventilation duct 2 Lower ventilation duct 4 Vertical switching damper 5 as vertical switching means 5 Ventilation fan 6 Vertical switching servo motor as vertical switching means 7 Vent air outlet 8 Heat air outlet 9 As air outlet switching means Outlet switching damper 10 Air outlet switching servo motor 11 as air outlet switching means

Claims (2)

[Claims] 1. An upper ventilation duct, one end of which opens at an upper portion inside a vehicle compartment and the other end communicates with the outside of the vehicle compartment, and one end of which opens at a lower portion inside the vehicle compartment, A lower ventilation duct having the other end communicating with the outside of the vehicle compartment, and a ventilation fan for discharging the air in the vehicle compartment to the outside of the vehicle compartment through the upper ventilation duct or the lower ventilation duct, Up / down switching means for selectively switching between discharging air in the vehicle compartment through the upper ventilation duct or discharging through the lower ventilation duct, and temperature information detection for detecting temperature information around the vehicle Means for comparing the signal level from the temperature information detecting means with a preset signal level, and as a result of the comparison and determination, the signal level from the temperature information detecting means is higher than the preset signal level. In this case, a control signal is output to the up / down switching means so that the air in the vehicle compartment is discharged through the upper ventilation duct, and the signal level from the temperature information detecting means is the preset signal. And a control device that outputs a control signal to the up / down switching means so that the air in the vehicle compartment is discharged through the lower ventilation duct when the level is lower than the level. apparatus. 2. A blower for blowing air into the passenger compartment of an automobile, a vent outlet for blowing the air toward the upper body of the occupant, and a heat outlet for blowing the air toward the feet of the occupant. A blower outlet switching means for switching whether the air is blown from the vent blower outlet or the heat blower outlet, and a ventilation duct having one end opened inside the vehicle interior and the other end communicating with the outside of the vehicle interior A ventilation fan for discharging the air in the passenger compartment to the outside of the passenger compartment through the ventilation duct; a temperature information detecting means for detecting temperature information around the vehicle; and a signal from the temperature information detecting means. The level and the preset signal level are compared and determined, and as a result of the comparison and determination, when the signal level from the temperature information detecting means is higher than the preset signal level, When outputting a control signal to the outlet switching means so as to blow air from the vent outlet, and the signal level from the temperature information detecting means is lower than the preset signal level, the heat outlet A ventilation device for an automobile, comprising: a control device that outputs a control signal to the air outlet switching means so that the air is blown from the air vent device.