JPS59128005A - Ventilation controller for vehicle - Google Patents

Abstract

PURPOSE:To achieve an effective ventilation in a car room while preventing thief by fully opening a glass window while it is closed with a vent window when an abnormally high temperature is detected in the room during the parking of a vehicle. CONSTITUTION:When no person is on the driver's and assistant driver's seats, a signal for indicating no seating is outputted from seat switches 1 and 2, a signal for indicating the stoppage of the engine from a rotation sensor 3 and a signal for indicating the closing of doors from door switches 4 and 5 are outputted and a microcomputer 10 proceeds to the ventilation control routine. Here, when an output signal of an internal temperature sensor 6 is above the set value while the difference between the internal temperature sensor and an external temperature sensor 6 and 7 is determined to exceed the set deviation, a ventilation command signal is outputted. This activates a glass window driver 14 to open a glass window 14a fully while making a vent window driver 15 close a vent window 15a thereby enabling a forced ventilation within a vehicle under the operation of a blower.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ventilation control device for a vehicle that ventilates the interior of a vehicle when the interior of the vehicle becomes abnormally warm while the vehicle is parked.

BACKGROUND ART Conventionally, if a vehicle is parked with the glass windows closed in the hot summer weather, the temperature inside the vehicle becomes extremely high. In consideration of this situation, when the temperature inside the vehicle becomes abnormal/high when the vehicle is unattended, the negative air fan is turned on and outside air is introduced into the vehicle interior. , there are things.

However, when the glass window is closed 1;, there is not much escape Ll of the air inside the vehicle, so there is a problem that such a device cannot perform sufficient ventilation and cannot reduce the temperature inside the vehicle very much.

The present invention has been made to address the above 1111 problems,
The purpose of this system is to detect an abnormally high temperature inside the vehicle when the vehicle is parked, open the glass window completely, and close that area as a ventilation window to utilize the ventilation of the window. An object of the present invention is to provide a ventilation control device for a vehicle, which discharges II'Ii warm air inside the vehicle to the outside of the vehicle.

The present invention will be described below with reference to an actual hb example shown in the drawings.

FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, which is applied to a two-door type vehicle. In this Figure 1, 2 and 2 are seat switches installed in the driver's seat and passenger seat, respectively, to detect the seated state of the passenger; 3 is a rotation sensor that generates a rotation pulse according to the rotational speed of the engine; 4
．． Reference numeral 5 denotes a door switch for detecting the open state 4 of the door on the driver's seat side and the front passenger seat side. And, in ``Second Chapter 414 Components 1 to 5 of the vehicle! 5LIII-Configure a parking detection means for detecting the state-C?・.

6 is Nakauchi jA! Don't detect the first degree! Nri', 7
It detects the temperature in 111 rooms (it's a sensitive sensor. And then...

The inside temperature sensor 6 and the tray sensor 7 constitute the first stage of temperature detection. The signals from the sensor 7 and the battery sensor 8 are sent to the digital
n'; is a Δ/D converter that converts into E.

Reference numeral 10 denotes a one-noise CI computer that executes digital IJ 1'F and processing using SosotoWave according to the control system II diagram determined by the gamma. It is always in operation (regardless of whether the vehicle key is turned on or not) by receiving a stabilized voltage supplied through the When the calculation process for ventilation control is executed and the vehicle is parked and the state of the vehicle interior βinM is determined, the driver and passenger side windows are fully opened. It generates a command signal to completely close the ventilation windows provided in each window, and also generates a command signal to completely close the ventilation windows provided in each window, and also turns the air conditioner into the air by δ3 (turns the air conditioner L1 to the outside air side). It generates a command signal to rotate the blower motor to the maximum.

12 is an outside air switching circuit that receives an outside air command signal from the microcomputer 10 and switches the air intake port to the outside air side; 13 is an outside air switching circuit that receives an outside air command signal from the microcomputer 10 and rotates the blower motor to maximum speed; Zo I
:I control circuit.

14 fully opens the glass windows on the driver's seat side and passenger seat side upon receiving a glass window opening command signal from the microcomputer 10, and closes each glass window upon receiving a glass window closing command signal. The glass windows are opened and closed using the same mechanism as the one-touch power window control mechanism. Reference numeral 15 closes the ventilation windows provided on the driver's seat side and the passenger seat side in response to a ventilation window close command signal from the microcomputer 10, and opens each ventilation window in response to a ventilation window open command signal. , the ventilation window is opened and closed by the same mechanism as the glass window drive device 14.

FIG. 2 schematically shows the attachment relationship between the ventilation window and the glass window. In this FIG. 2, 14a is a glass window, 15
a is a ventilation window, and 16 is a door.

The ventilation window 15a has approximately the same size as the glass window 14a and is installed parallel to the °C glass window 14a, and the inside of the frame is made of wire mesh. Note that the wire mesh has a certain degree of fineness to prevent intrusion from outside the vehicle.

The operation of the above configuration will be explained with reference to the flowcharts shown in FIGS. 3 and 4.

Now, in a vehicle equipped with each component shown in FIG.
The microcomputer 10 repeatedly executes the arithmetic processing for ventilation control shown in FIG. 3 along with other control arithmetic processing (not shown) at a predetermined cycle regardless of the operating state of the vehicle.

In this repeated calculation, if a passenger is seated in the driver's seat or passenger seat and a signal 1 indicating the seated state is generated from either seat switch 1 or 2, or if the vehicle's engine is operating and the rotation sensor If a rotation signal is generated from step 3, the determination in either step 101 or step 103 becomes YES, and one calculation process in FIG. 3 is completed.

In step 102, the rotation pulse from the rotation sensor 3 is counted by δ1 for about 0.5 seconds, and while the engine is operating, the δ1 value is calculated according to the rotation speed. , the determination in step 103 becomes YES. Also, the determinations in steps 101 and 103 are both N.
If the result is O, the process proceeds to step 104, where it is determined whether a door signal is generated from either of the 1' openings 4 and 5 and C is present.

At this time, if the door of the driver's seat or passenger's seat is open and a door signal is generated from either the door switch 4.5, the determination becomes YES and the process proceeds to step 105. When reaching step 105, if ventilation control has not been performed up to that point, the ventilation flag is turned on (step 106 or 216, which will be described later).
), the determination in step 105 is NO.
, and one calculation process in FIG. 3 is completed. -2°
(In any of the above cases, no ventilation control operation is performed at °C.

However, if the vehicle is left parked unattended, the determinations in steps 101, 103, and 104 all become NO, and the process proceeds to the ventilation control calculation routine 200. This ventilation control 1i! In the 'ji routine 200, as shown in FIG. 4, the calculation process starts from step 201.
Inner temperature data 'l' r via A/D converter 9
, input outside temperature data T a +n. Then, the process proceeds to steps 202 and 203, where it is determined whether the inside temperature data 'I' r is equal to or higher than the set value Ts (for example, a value corresponding to about 50°C), and the inside temperature data Tr and the outside temperature data 'I' are determined.
'am difference ('I゛r-Tam) is greater than or equal to the set deviation data Δ''I's (for example, a value corresponding to about 20°C). At this time, it is determined whether the interior attitude of the vehicle is abnormal. If the temperature is not high and the judgments in steps 202 and 203 are NO, the process goes to step 210 and returns to step C (because the ventilation flag remains reset, the judgment in step 210 is no) and this ventilation control calculation routine 200. 1
The calculation process ends. Thereafter, since the above calculation process is repeated, no control is performed for ventilation.

However, when the vehicle is parked under the scorching sun in summer or the like, the temperature inside the vehicle gradually rises, and when the temperature inside the vehicle reaches an abnormally high temperature, the determination at step 202 or 203 becomes YES. Then, the process proceeds to step 204, and when the first arrival, the determination becomes NO, and step 2
Step 05 sets the ventilation flag, Step 206 generates a glass window opening command signal to the crow window driving device 14, and Step 207 passes the ventilation window close command signal.
Prison window drive device! 15, the process proceeds to step 208, where a blower command signal is generated in the blower switching circuit 12, and the process proceeds to step 209, where a blower-on command signal is generated to the blower control circuit 13. As the glass windows on the seat and passenger sides begin to open, the ventilation windows begin to close.In addition, the inside and outside air intake 1 is switched to the outside air side.
Blower motor begins to bend. Therefore, when the glass window is completely opened, the ventilation window is opened, and the blower motor is rotated at maximum speed, outside air from the outside air intake is introduced into the passenger compartment, and high-temperature air inside the passenger compartment is brought into the ventilation window. is released outside the vehicle through the

On the other hand, in the 6'j 33 process shown in FIG. 4, when step 204 is reached next time, the ventilation flag is set seven times, so the determination is YES, and step 21
Proceed to step 3 and calculate Δ/1 from battery sensor 8) *Converter 9
The battery data V (indicating the battery voltage) is inputted manually, and the process proceeds to step 214, where it is determined whether or not the battery data V has become equal to or less than the set panteri data ■S (for example, a value corresponding to about 10V). . At this time, if the battery data V1 is larger than the set battery data Vs, the determination becomes NO and one calculation process in FIG. When it goes down, the judgment is Y
ES, proceed to step 215, and blower control circuit 1
The generation of the blower-on command signal to 3 is canceled. Of course, there are many ways to eliminate the burden on the battery due to the operation of the blower motor.

Thereafter, when the temperature inside the vehicle decreases due to the ventilation operation, the determinations in steps 202 and 203 become NO. Then, proceeding to step 210, the ventilation flag is still set, so the determination is YIE S.
Then, the process advances to steps 211 and 212 to check whether the inside temperature data ``l'' r is lower than the set temperature data ``l'' S - 10℃ or not, and the inside temperature data Tr and the outside temperature data 'p are checked.
It is determined whether the difference in arn has become equal to or less than the set deviation data ΔTS-10°C.

Furthermore, ↑t1 is determined as to whether or not the vehicle interior temperature has decreased by 10° C. or more from the vehicle interior temperature when it was first determined that the vehicle interior temperature was abnormally high. At the time of the first arrival, the temperature inside the vehicle has not decreased much, so step 21
If any of the determinations in step 1212 becomes NO, the arithmetic processing from step 213 described above is executed.

After that, the ventilation inside the vehicle further progresses, the temperature inside the vehicle decreases, and the determinations in steps 211 and 212 are both YES.
Then, the process proceeds to step 216 to reset the ventilation flag, proceeds to step 217 to generate a glass window closing command signal to the glass window drive device 14, and proceeds to step 218 to generate a ventilation window open command signal to the ventilation window drive device 15. The process then proceeds to step 219, where generation of the outside air command signal from the outside air switching circuit 12 is canceled, and the process proceeds to step 215, where the blower motor is stopped as described above. Due to this,
The glass window is closed, the ventilation window is opened, the switch to the outside air intake is canceled, and the blower motor is stopped. Therefore, the ventilation control operation ends.

Then, when step 210 is reached next time, the determination becomes NO because the ventilation flag has been reset.

On the other hand, while ventilation control is operating (ventilation flag is 7 degrees), the door is opened for the occupant of this vehicle to get into the vehicle (then, when step 104 is reached, the determination becomes YES, and the process proceeds to step 105 to start ventilation. Since the flag is set to 1, the determination becomes YES.Then, steps 106-1
Proceed to step 216.10 and proceed to step 216.
The same arithmetic processing as in 217.21B and 219.215 is executed, and the ventilation control operation is ended.

In the above embodiment, the seat 'W switch 1.2, the rotation sensor 3, and the door switch 4.5 are shown as parking detection means, but if the vehicle key for driving is inserted into the ζ1--box. A means for detecting whether or not the vehicle is present may be used to determine whether the vehicle is not driving, that is, whether the vehicle is parked.

Further, in the above embodiment, the interior temperature sensor 6 and the temperature sensor 7 are shown as the temperature detection means, and the vehicle interior temperature is set at a predetermined setting a! 1 or more, or whether the difference between the cabin temperature and the evening air temperature is greater than or equal to a predetermined set deviation. Only one of them can be C.

Furthermore, although we have shown a system in which a microcomputer is used to perform ventilation control through lung calculation processing using a rough 1-1. You can also do this.

As mentioned above, the present invention detects abnormalities inside the vehicle when the vehicle is parked. ? +iYb/A! If we divide the state by '1',
The glass window is opened completely, and that part is closed with a ventilation window, and the ventilation window is used to release warm air inside the vehicle into the vehicle. Therefore, it is possible to efficiently ventilate the interior of the vehicle (by doing so, the temperature inside the vehicle can be moderately lowered), and when the vehicle is parked, the ventilation window must be closed. This has the excellent effect of preventing intrusion from vehicle 1 and degassing while preventing theft y1.

[Brief explanation of drawings]

Fig. 1 shows an embodiment of the present invention, and Fig. 2 is a schematic diagram showing the installation state of the glass window and ventilation window.
FIG. 4 is an arithmetic flowchart showing the arithmetic processing of the microcomputer in FIG. 1.2...Seat switch, 3...Rotation sensor, 4°5°...Door switch, 6...Inside temperature sensor, 7...
・Outside temperature sensor, 10...Microcomputer, 1
4... Crow window drive device, 15... Ventilation window drive device. Representative Patent Attorney Takashi Okabe Figure 1 Figure 2

Claims (1)

[Claims] Parking detection means for detecting the parking state of the vehicle, temperature detection means for detecting at least the temperature inside the vehicle, and opening of the glass window of the vehicle in response to a command signal! A glass window driving device for driving, a ventilation window having a size approximately the same as the crow window, installed in the door in parallel with the glass window, and having a cord part that allows ventilation to go down on both sides of the door; A ventilation window driving device opens the ventilation window in response to a signal, and a parking state of the vehicle is determined based on a signal from the parking detection means, and an abnormally high temperature inside the room is determined based on a signal from the temperature detection lower stage. When the condition is determined, the glass window will be fully opened.
A command signal is generated to the crow window drive device, and a command signal to completely close the ventilation window is generated to the ventilation window drive 1 in 01f.
Medium- and dual-purpose ventilation i with one-stage generation→- control 1 and one stage
1i Rigosou: i da.