JPH0524431A - Automotive air purifier - Google Patents

Abstract

(57) [Abstract] [Purpose] In an on-vehicle air purifier that keeps the air inside the vehicle interior clean, the fact that the wheels are rotating is detected by simple wiring work at the rear of the vehicle body, and wiring dedicated to the vehicle interior is not used. An on-vehicle air purifier that can be connected to a power supply. [Structure] A temperature switch 7 mounted on a bearing of an automobile axle and an air purifier body 1 are provided. Power is supplied to the air purifier body 1 via the temperature switch 7 and the temperature switch 7 outputs power to the automobile. Detects that the vehicle is being driven, and continues the operation of the air purifier body 1 only when the vehicle is being driven. Moreover, the power supply wiring can be performed without using the wiring dedicated to the vehicle interior.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle air purifier that keeps the air inside a vehicle compartment clean.

[0002]

2. Description of the Related Art In recent years, in-vehicle air cleaning has become widespread in order to keep the air inside a vehicle compartment clean.

[0003] Conventionally, the start of this type of vehicle air purifier,
The power supply wiring configuration as shown in FIG. 7 is generally used for stopping. The configuration will be described below.

As shown in the figure, the air purifier body 1 is AC
It was connected to the battery 5 by the in-vehicle wiring 4 via the C switch 2 and the power switch 3. The switch 6 is a power switch for electric components operated by the engine key of the automobile.

With the above structure, the air purifier body 1 is started and stopped by opening and closing the power switch 3 only when the engine key is inserted and the ACC switch 2 is in the ON state. .

[0006]

In such a conventional vehicle-mounted air purifier, the air purifier main body 1 is installed in the rear portion of the vehicle compartment in order to prevent the battery 5 from being over-discharged by forgetting to turn off the power switch 3. In such a case, a dedicated in-body wiring 4 for connecting the ACC switch 2 and the air purifier body 1 to the front and rear of the vehicle compartment is required so that the vehicle operates only when the vehicle is driven.

The present invention solves the above-mentioned problems. By detecting that the wheels are rotating by a simple wiring work at the rear part of the vehicle body, it is possible to perform power supply wiring without using wiring dedicated to the inside of the vehicle. It is intended to provide an on-vehicle air purifier.

[0008]

In order to achieve the above object, the present invention comprises a temperature switch mounted on a bearing of an axle of an automobile and an air purifier body, and the air purifier via the temperature switch. The first problem solving means is that power is supplied to the main body.

Further, in place of the temperature switch of the first means for solving the problems, a temperature detecting element mounted on the bearing of the axle of the automobile is provided, and the control for controlling the drive of the air purifier main body by the signal of the temperature detecting element. The second means for solving the problem is to control the circuit.

Further, in addition to the temperature switch of the first means for solving the problems, a temperature detecting element mounted on the bearing of the axle of the automobile is provided, and power is supplied to the air purifier main body through the temperature switch. A third problem solving means is that the control circuit for controlling the drive of the air purifier body is controlled by the signal of the temperature detecting element.

[0011]

According to the first means for solving the above problems, the present invention provides:
Whether or not the vehicle is in operation can be detected based on whether or not the output of the temperature switch is equal to or higher than a certain temperature, and the operation of the air purifier body can be continued only when the vehicle is in operation.

Further, the second means for solving the problems can detect whether or not the vehicle is operating, based on whether or not the temporal change amount of the temperature of the bearing of the axle is equal to or more than a certain value by the output of the temperature detecting element. , Only when the car is driven,
The operation of the air purifier body can be continued.

Further, according to the third means for solving the problem, it can be detected from the output of the temperature switch that the temperature of the bearing of the axle is equal to or higher than a certain temperature, that the vehicle has started to drive.
In addition, the output of the temperature detection means can detect that the vehicle has stopped depending on whether or not the temporal change amount of the temperature is equal to or more than a certain value, and the operation of the air purifier body can be continued only when the vehicle is in operation.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. The same components as those of the above-mentioned conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the air purifier 1 is connected to the power wiring 10 for the rear trunk illumination lamp 8 and the opening / closing switch 9 thereof connected in series to the battery 5 via the temperature switch 7. . The temperature switch 7 is attached to a bearing (not shown) of an axle at the rear of the vehicle body.

The operation of the above structure will be described with reference to FIG. 2. When the vehicle starts to move at time t0, the temperature of the bearing starts to rise from T0 due to the rotation of the axle, which changes depending on the rotation speed of the axle and load conditions. It saturates at an almost constant temperature T2. When the axle stops at time t2, the temperature gradually decreases and returns to the ambient temperature T0 of the vehicle body. If the operating temperature of the temperature switch 7 is set to T1, the power of the air purifier body 1 is turned on only during the time t1 to t3 during which the vehicle is operating. Therefore, the ACC in the driver's seat to prevent over-discharge of the battery-5
Wiring dedicated to the interior of the vehicle to the switch is not required, and it is possible to use the power supply wiring 10 such as the illumination lamp 8 in the rear trunk that is always energized without passing through the ACC switch.

Next, another embodiment of the present invention will be described with reference to FIG. The same components as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted.

As shown in the figure, the air purifier body 11 is
It is connected to the power supply wiring 10 of the illumination lamp 8 in the rear trunk. The temperature detecting element 12 is mounted on the bearing of the axle, and its output is the control circuit 13 built in the air purifier body 11.
Are typing in.

The operation of the above structure will be described with reference to FIG. 4. When the vehicle starts to move at time t0, the temperature of the bearing starts to rise from T0 due to the rotation of the axle, which changes depending on the rotation speed of the axle and load conditions. It saturates at an almost constant temperature T2. At this time, the temperature detecting element 12 determines that the automobile has been driven and drives the air purifier main body 11 if the time change, that is, the temperature change ΔT from time ta to ta + 1 is a certain value or more. it can. Similarly, when the automobile stops, the temperature gradually decreases and returns to the ambient temperature T0 of the vehicle body, but the temperature change at this time, that is, the time tb to tb.
If the temperature change of + 1−ΔT is equal to or less than a certain value, it is determined that the vehicle is stopped and the air purifier body 11 can be stopped. In other words, by detecting the driving and stopping of the vehicle, the A in the driver's seat for preventing the over discharge of the battery-5.
The wiring for exclusive use in the passenger compartment to the CC switch is unnecessary.

Next, another embodiment of the present invention will be described with reference to FIG. The same components as those in each of the above-described embodiments are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the air purifier body 11 is
It is connected to the power wire 10 of the rear trunk illumination lamp 8 and the opening / closing switch 9 thereof which are connected in series to the battery 5 via the temperature switch 7. This temperature switch 7
Is attached to the axle bearing at the rear of the vehicle body. Similarly, the temperature detecting element 12 is attached to the bearing of the axle, and its output is input to the control circuit 13 built in the air purifier body 11.

The operation of the above structure will be described with reference to FIG. 6. When the automobile starts to move at time t0, the temperature of the bearing starts to rise from T0 due to the rotation of the axle, which changes depending on the rotation speed of the axle and load conditions. It saturates at an almost constant temperature T2. When the vehicle is stopped at time t2, the temperature gradually decreases and returns to the ambient temperature T0 of the vehicle body. If the operating temperature of the temperature switch 7 is set to T1, the power supply is connected to the air purifier main body 11 from time t1 to t3. When the car stops further, the temperature gradually decreases and returns to the ambient temperature T0 of the vehicle body.
At this time, if the time change, that is, the temperature change −ΔT from time tb to tb + 1, is equal to or less than a certain value by the temperature detecting element 12, it is determined that the vehicle is stopped, and the air purifier body 11 is stopped. You can That is, by using two temperature sensors, the driving and stopping of the vehicle can be detected quickly, and the ACC in the driver's seat for preventing the over discharge of the battery-5
Wiring for exclusive use in the vehicle compartment to the switch is unnecessary.

Although the above embodiment does not describe means for enabling the main body of the air purifier to be used even when the vehicle is stopped, it is possible to provide a manual switch in parallel with the temperature switch 7 and the temperature detecting element 12. Obviously, it can be easily achieved.

[0024]

As is apparent from the above embodiments, according to the present invention, a temperature switch mounted on the bearing of the axle of an automobile and an air purifier body are provided, and the air purifier is provided via the temperature switch. Since the power is supplied to the main body, it can be detected very simply that the vehicle is being driven, and the air purifier body can be continued to operate only when the vehicle is being driven. Power supply wiring can be performed without using.

Further, in place of the temperature switch, a temperature detecting element mounted on the bearing of the axle of the automobile is provided, and the control circuit for controlling the drive of the air purifier body is controlled by the signal of the temperature detecting element. , Can detect the driving and stopping of the car quickly, and only when the car is driving
The operation of the air purifier body can be continued, and the power supply wiring can be performed without using the wiring dedicated to the inside of the vehicle.

Further, in addition to the temperature switch, a temperature detecting element mounted on the bearing of the axle of the automobile is provided, power is supplied to the main body of the air purifier through the temperature switch, and the air is supplied by the signal of the temperature detecting element. Since the control circuit that controls the drive of the purifier body is controlled, it is possible to detect the operation and stop of the vehicle quickly, and the power of the air purifier body can be shut off when the vehicle is stopped, so that the vehicle can be more completely You can detect that you are driving, you can continue to operate the air purifier body only when the car is driving,
Moreover, the power supply wiring can be performed without using the wiring dedicated to the vehicle interior.

[Brief description of drawings]

FIG. 1 is a block circuit diagram of an in-vehicle air cleaner according to an embodiment of the present invention.

FIG. 2 is a diagram showing a temperature change state of a bearing of an axle of the in-vehicle air cleaner.

FIG. 3 is a block circuit diagram of an in-vehicle air purifier according to another embodiment of the present invention.

FIG. 4 is a diagram showing a temperature change state of a bearing of an axle of the in-vehicle air cleaner.

FIG. 5 is a block circuit diagram of an in-vehicle air purifier according to another embodiment of the present invention.

FIG. 6 is a diagram showing a temperature change state of a bearing of an axle of the vehicle air purifier.

FIG. 7 is a block circuit diagram of a conventional vehicle air cleaner.

[Explanation of symbols] 1 Air purifier body 5 battery (power supply) 7 Temperature switch

Claims (3)

[Claims] 1. An on-vehicle air purifier comprising a temperature switch mounted on a bearing of an axle of an automobile and an air purifier body, and supplying power to the air purifier body via the temperature switch. 2. A temperature detecting element is attached to a bearing of an axle of an automobile instead of the temperature switch, and a control circuit for controlling driving of the air purifier body is controlled by a signal of the temperature detecting element. Item 1. The in-vehicle air purifier according to Item 1. 3. A temperature detecting element mounted on a bearing of an axle of an automobile, power is supplied to the air purifier body via a temperature switch, and driving of the air purifier body is controlled by a signal from the temperature detecting element. The in-vehicle air purifier according to claim 1, wherein the control circuit for controlling the air purifier is controlled.