JPS5827127B2 - Automatic opening/closing device for ceiling windows - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an automatic opening/closing device for ceiling windows in various passenger vehicles, and relates to an automatic opening/closing device for ceiling windows in various passenger vehicles. The purpose is to detect this and automatically close the ceiling window to ensure safety when driving at high speeds.

Some vehicles have ceiling windows on their roofs that can be opened and closed for daylight or other purposes, but these ceiling windows must be closed for safety reasons when driving at high speeds on expressways and the like.

However, conventional ceiling windows, whether manual or automatic, are opened and closed by human judgment such as the driver.
When driving at high speeds, it is very difficult for the driver to properly judge whether or not to close the ceiling window based on the vehicle speed, and there is a risk that an error in judgment or forgetting to close the window may lead to an accident.

In view of these conventional problems, the present invention detects when the vehicle speed reaches a critical speed and automatically closes the ceiling window. In a vehicle equipped with a ceiling window that can be opened and closed on the roof and an electric motor for opening and closing the ceiling window, an opening detection means for detecting the opening of the ceiling window, a position detection means for detecting the opening position of the ceiling window, and a vehicle speed detection means are provided. a first drive circuit for driving the electric motor once to close the ceiling window when the opening detection means and the high speed detection means detect the high speed; and a first drive circuit for driving the electric motor once detected by the open position detection means. The present invention includes a memory circuit that stores the open position before the circuit is activated, and a second drive circuit that drives the electric motor to open the ceiling window to the open position stored in the memory circuit when the high-speed detection means does not detect the opening position. .

Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.
In the figure, 50 is the roof of a passenger vehicle, and 51 is this roof 5.
This is a ceiling window attached to the roof 50, and includes an opening 52 bored in the roof 50, and a sliding roof 53 supported so as to be slidable back and forth to open and close the opening. A toothed cable 54 and a gear 56 that engages with the teeth 55 of the toothed cable 54.
It is driven in the opening/closing direction by a DC motor M via etc.

Note that the DC motor M constitutes a driving means for opening and closing the ceiling window 51.

LS is a limit switch as an open detection means for detecting the opening of the ceiling window 51, and is a normally closed type and is provided corresponding to the closed position of the sliding roof 53, and when the sliding roof 53 is on the open side. It is configured to turn on when you move it.

LS2 is a limit switch as a position detecting means for detecting the fully open position of the ceiling window 51, and is a normally open type and the sliding roof 5
3 is provided corresponding to the fully open position.

SW is an opening/closing command switch for the ceiling window 51 and is composed of an open push button switch PB and a close push button switch PB2.

SS is a high-speed detection means for detecting that the running speed of the end of the vehicle has reached a dangerous speed at which the ceiling window 51 should be closed.
As shown in FIGS. 3 and 3, a permanent magnet 60 is attached to the rotating shaft 58 that supports the pointer 57 of the speedometer via a fixture 59, and the pointer 51 is swung to the desired position on the back of the display board 61, etc. A reed switch R8 is provided to correspond to the permanent magnet 60, and the permanent magnet 60 and the reed switch R8 constitute high speed detection means for detecting a high vehicle speed in order to close the ceiling window 51.

Reference numeral 73 denotes a control circuit that controls the electric motor M in accordance with various signals, and has a circuit configuration as shown in FIG.

In addition, in Fig. 4, (R1 on line 24-R124)
27-R2, 30-R
3,31-R4,32-R5, 36Ra, 38-R
7 is a relay.

Next, the operation will be explained with reference to FIG.

Now, as shown in FIG. 1, the sliding roof 53 is in the closed position.
It is assumed that the ceiling window 51 is in a closed state.

Therefore, when opening the ceiling window 51 with a manual command, when the open push button switch 24-PB is pressed, the relay 24-R is activated.

is excited, the a contacts 25-R, 34-R turn on, and at the same time the b contact 36-R turns off.

As a result, the electric motor M rotates normally, the sliding roof 53 moves in the opening direction, and the ceiling window 51 opens.

On the other hand, at this time, the limit switches 3O-LS are turned on, the relay 3O-R3 is energized and memorizes the opening of the ceiling window 51, and when the sliding roof 53 reaches the fully open position, the limit switches 3L-LS2 are turned on. Turns on, relay 31-R.

is energized, so relay 24-R demagnetizes and motor M stops.

Next, when closing the ceiling window 51 with a manual command, when the closing push button switch 27-PB2 is pressed, the relay 27-R2 is energized via the a contact 27-R3 of the relay 3O-R3,
Since a contacts 33-R2 and 35-R2 are turned on, motor M
is reversed, and the ceiling window 51 is closed.

When the limit switch 3O-LSl is turned off, the relay 3O-R3 is demagnetized and the relay 27-R2 is demagnetized, so the electric motor M is stopped.

If the critical speed is reached when the ceiling window 51 is open, the reed switch 32-R8 is turned on and the relay 32-R is energized, so the relay 27-R2 is activated via the a contact 29-R5.
is excited, the electric motor M reverses, and the ceiling window 51 is closed.

On the other hand, at this time, the a contact 36R4 and the b contact 36-R are in the on state, so if the a contact 36-R5 is turned on,
The relay 36-R6 is energized and self-maintained to memorize that the ceiling window 51 has been automatically closed.

After the ceiling window 51 is closed, if the reed switch 32-R8 is turned off due to deceleration, the relay 32-R5 is demagnetized and the B contact 38 R5 is turned on, so that the A contact 38-R
6. Relay 38 via b contacts 38-R3, 38-R5
-R7 is energized, a contact 26-R7 is turned on, and relay 2
4-R, is excited.

Therefore, the electric motor M rotates normally, and the ceiling window 5] is opened again.

In the above embodiment, the first drive circuit for driving the electric motor M to close the ceiling window 51 is composed of relays R2, R3, R6, etc., and the memory circuit for storing the open position is composed of relays R4, R, . R6, etc., and a second drive circuit that drives the electric motor M to open the ceiling window 51 is a relay R, .
It is composed of R7 etc.

As the high speed detection means, in addition to the one incorporating the reed switch R8 and the permanent magnet 60 in the speedometer 56, for example, a fifth
It is also possible to adopt the one shown in the figure or FIG. 6.

FIG. 5 shows a generator 75 driven by an engine 74.
The comparator 7T compares the output voltage with the reference voltage set by the setting device 76, and the speed is determined based on the comparison output and sent to the control circuit 13 from the output circuit 78. .

In FIG. 6, a power transmission system 82 leading from a mission device 79 and a differential device 80 to drive wheels 81 is provided with a pulse generator 83 that generates pulses in synchronization with its rotational speed, and the pulses are counted by a counter 84. The counted value and setting device 85
The comparator 86 compares the set value set with the output circuit 8.
1, the output is sent to the control circuit 73.

The opening detection means for the ceiling window 51 may be a photoelectric switch, a reed switch, or other non-contact proximity switch in addition to the limit switch.

The opening/closing structure of the ceiling window 51 is not limited to a sliding type, but may be similarly implemented, for example, by a rotating type.

This is determined by considering various conditions such as the dangerous speed at which the ceiling window 51 should be closed, the type and size of the vehicle, and is different from the speed limit set forth in the Road Traffic Act.

As described in detail in the above embodiments, the present invention includes an open detection means and a high speed detection means for detecting a high vehicle speed, and drives an electric motor to close the ceiling window when the open detection means and the high speed detection means detect the vehicle speed. Since the first drive circuit is provided, when the vehicle speed reaches a high speed that requires the ceiling window to be closed while driving with the ceiling window open, the ceiling window can be automatically closed. Safety is significantly improved.

Further, a position detecting means for detecting the open position of the ceiling window is provided, and a memory circuit for storing the open position detected by the open position detecting means before the activation of the drive circuit, and a memory circuit for storing the open position detected by the open position detecting means before the operation of the drive circuit. A second drive circuit is provided that drives the electric motor to open the ceiling window at the opening position stored in the circuit, so if the vehicle speed becomes low or low after the ceiling window has automatically closed as described above, the ceiling window will be returned to its original position. It can be automatically returned to the open position, so even if the vehicle speed frequently changes from high to low, there is no need to manually adjust the opening of the ceiling window, which is very convenient as it saves you the trouble of opening the window. , its practical value is extremely dog.

Moreover, the high-speed detection means used to automatically close the ceiling window can also be used to automatically open the ceiling window, so the configuration is relatively simple even though the ceiling window can be automatically opened as well as automatically closed. Therefore, it is easy to manufacture and can be provided at low cost.

[Brief explanation of drawings]

1 to 4 illustrate one embodiment of the present invention, in which FIG. 1 is a schematic diagram of the overall configuration, FIG. 2 is a front view of the speedometer, and FIG. 3 is the same as that in FIG. 4 is an expanded connection diagram of the control circuit, and FIGS. 5 and 6 are block diagrams showing other embodiments of the present invention. 50...Roof, 51...Ceiling window, 53
...Sliding roof, M...DC motor, S
S...High speed detection means, LS, LS2...
...Limit switch, R8...Reed switch, R1, R2, R3, R4, Rs, Ra, Ry...
·····relay.

Claims (1)

[Claims] 1. In a vehicle equipped with a ceiling window that can be opened and closed on the roof and an electric motor for opening and closing the ceiling window, an opening detection means for detecting the opening of the ceiling window, a position detection means for detecting the open position of the ceiling window, and a vehicle speed detection means are provided. A high-speed detection means for detecting high speed is provided,
a first drive circuit that drives a motor to close the ceiling window when detected by the open detection means and the high speed detection means; a memory circuit that stores the open position detected by the open position detection means before the first drive circuit operates; An automatic opening/closing device for a ceiling window, comprising: a second drive circuit that drives a motor to open the ceiling window to an open position stored in a storage circuit when the high-speed detection means does not detect the opening/closing device.