JP2002042455A - Electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an electronic equipment in which the power supply of the equipment main body side is automatically shut down when an operating panel is opened from the main body and that condition lasts for a prescribed time. SOLUTION: The electronic equipment is provided with an equipment main body 2A and an operating panel 3 which is freely openable and closable with respect to the body 2A and is also freely attachable to and detachable from the body 2A. When the panel 3 is opened, a computer detects the fact that the connection between a connecting pin 341 of a connector 34 and a connecting pin 231 of a connector 23 is released and initiates the operation of a timer 26A and the power supply of the body 2A is shut down a specific time later.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having a structure in which an operation panel can be opened and closed and attached to and detached from a mounting portion on a front surface of a device main body. It concerns the device.

[0002]

2. Description of the Related Art First, referring to the drawings, a car-mounted CD (compact disc) player is known as an example of an electronic apparatus having an openable / detachable operation panel according to the prior art.
(Hereinafter simply referred to as “CD player”).

FIG. 4 is an external perspective view of an in-vehicle CD player with a conventional operation panel mounted thereon, FIG. 5 is a front view of an apparatus main body with the CD player operation panel shown in FIG. 4 removed, 6 is a top view showing a partial cross section of a front portion of the CD player with the operation panel mounted thereon, FIG. 7 is an enlarged transparent side view of the CD player shown in FIG. 6, and FIG. FIG. 9 is a top view showing a partial cross section of the front portion of the CD player with the operation panel opened from the state shown in FIG. 9, FIG. 9 is an enlarged transparent side view of the CD player in the state shown in FIG. 8, and FIG. Top view showing a partial cross section of the front portion of the CD player in a state where the operation panel is removed from the device main body from the state shown, and FIG. 11 is an enlarged transparent side view of the device main body of the CD player shown in FIG. It is.

First, the configuration of a CD player will be described with reference to FIGS. Reference numeral 1 denotes a conventional C
Refers to the D player. The CD player 1 is composed of a device main body 2 and an operation panel 3 which is detachably mounted on an operation panel mounting portion 21 of the device main body 2, and usually has a built-in radio tuner so that a user can use the radio tuner. When the vehicle leaves the vehicle for a long time at night or the like, the operation panel 3 is configured to be detached from the device main body 2 and taken out in order to avoid theft of the CD player 1 mounted thereon.

[0005] The apparatus main body 2 further includes a control device mainly composed of a computer, a controlled device such as a spindle motor for rotating a CD controlled by the control device, a motor for driving an optical pickup, and other controlled devices. A power supply device (not shown) for supplying power to the operation panel 3 through an electronic circuit device, the control device, the controlled device, the electronic circuit device, and the like through a connector described later is incorporated therein, if necessary. Operation panel mounting part 2 on the front
1, a disc insertion opening 22, a connector 23, an operation panel detection device 24, an ejector button 25, and the like are provided.

A disc insertion opening 22 is an opening for inserting a CD, and a connector 23 is connected to a connector (not shown) provided on the back surface of the operation panel 3 and has various operation buttons on the operation panel 3. Various control signals generated by operating the operation element 31 are connection components that can be supplied to a control device built in the device main body 2. The operation panel detection device 24 has the operation panel 3 mounted on the operation panel mounting portion 21. This is a detector for detecting whether or not the operation has been performed. A detailed description of the configuration and structure will be described later.

The operation panel 3 has the controls 31, the display device 32, the mounting release button 33 and the like on the front side thereof, and the connectors (not shown) and the like on the back surface. Have been.

The operating element 31 supplies various control signals generated by pressing and operating these elements to the control device in the apparatus main body 2, and rotates the spindle motor under the control of the control device to drive the optical pickup. By operating various controlled devices (not shown) such as a motor for
The user can operate the CD disk mounted in the device. When a radio tuner is built in, a radio can be received by operating one of the operators 31. The display device 32 is constituted by, for example, a liquid crystal display device, and displays a use state of the CD player 1, a time, and the like on a display surface thereof.

The mounting release button 33 is a button that, when pressed, opens the operation panel 3 mounted on the operation panel mounting portion 21 as described later, and then removes the operation panel 3 from the device main body 2.

The operation panel detecting device 24 provided in the apparatus main body 2 is a switch for turning on and off the power of the CD player 1 including the apparatus main body 2 and is shown in FIG.
As shown in FIG. 7 to FIG.
3, a push switch 244 and the like.

The leaf spring 241 is a strip-shaped spring, and is formed with a pressing convex portion 242 that can bend a portion in front of the tip portion and press the push switch 244.
A detector 243 is fixed to the foremost end so as to protrude in a direction opposite to the pressing convex portion 242 side. The leaf spring 241 is provided with a detector 243 fixed to the foremost portion thereof.
Is a through hole 211 opened in the operation panel mounting portion 21.
In a state where it is arranged so that you can freely enter and exit from outside,
The opposite base end is fixedly attached to the inner surface of the operation panel mounting portion 21. The push switch 244 is disposed near the pressing protrusion 242 with respect to the leaf spring 241 thus attached.

When the operation panel 3 as shown in FIGS. 6 and 7 is mounted on the operation panel mounting section 21 of the main body 2, the operation panel detection device 24
3 is pressed by the lower portion of the back surface of the cabinet of the operation panel 3, and the pressing causes the pressing convex portion 242 of the leaf spring 241 to retreat and press the push switch 244, and the device body 2
Is turned on, and the device main body 2 is ready for operation. Further, the operation panel detection device 24 is configured as shown in FIG.
As shown in FIG. 9 and FIG. 9, even when the detector 243 is opened in a horizontal state rotated by approximately 90 °, the detector 243 is still pressed against the bottom surface of the cabinet of the operation panel 3. 241 of the pressing convex portion 242
Retreats and presses the push switch 244, and the power supply of the device main body 2 is still in the ON state. Therefore, in this state, a radio broadcast can be received or a CD can be reproduced.

As shown in FIGS. 10 and 11 through the states shown in FIGS. 8 and 9, when the operation panel 3 is removed to prevent theft, the detector 243 may be pressed. Therefore, the leaf spring 241 returns to a flat state along the inner surface of the cabinet of the operation panel mounting portion 21 of the device main body 2 by its spring force.
44 is no longer pressed by the pressing protrusion 242, and the power supply of the device main body 2 is shut off.

Next, the operation of the CD player 1 will be described. Normally, the CD player 1 is turned on by a user turning an engine key to an accessory switch position, is turned on, is activated, and in the case of an old-fashioned vehicle having no accessory switch position,
It can be activated by pressing the "SOURCE" key on the operation panel 3. In this case, the operation panel 3
As shown in FIGS. 4, 6, and 7, when the device main body 2 is in a state of being mounted on the operation panel mounting portion 21, the push switch 244 of the operation panel detection device 24 is also pressed, The power is on.

When the user turns on the power and listens, for example, to a radio, a desired station can be received by operating a specific operation element 31 of the operation panel 3. Also, when receiving a radio broadcast or listening to a CD and wishing to listen to another CD, the operation panel 3 is rotated from the above state by about 90 degrees as shown in FIGS. To open.
In this case, the detector 243 is still pressed on the bottom surface of the cabinet of the operation panel 3 as described above, and therefore, the power supply of the device main body 2 is still on. Therefore, if you are listening to the radio, you can still listen to the radio, and if you are playing a CD,
D still keeps playing. CD inside the device body 2
5 is pressed, the ejector button 25 of the operation panel mounting portion 21 shown in FIG. 5 is pressed, the CD is taken out, and another desired CD is inserted from the disc insertion opening 22. Then, the CD is automatically mounted on the spindle motor and started to be reproduced. However, the connector of the operation panel 3 is disconnected from the connector 23, so that power is not supplied to the operation panel 3 and the operation panel 3 is cut off. To perform an operation such as selecting and reproducing a desired track of the exchanged CD, the operation panel 3 is operated as shown in FIG. 4, FIG. 6, and FIG.
As shown in (1), a truck can be selected or the like by attaching to the device main body 2 and operating the operating element 31.
Normally, the operation panel 3 is not used for a long time with the operation panel 3 opened in a horizontal state, and is basically used in a state of being mounted on the operation panel mounting section 21.

Next, as shown in FIGS. 10 and 11 through the state shown in FIGS. 8 and 9, when the operation panel 3 is removed for the purpose of preventing theft, the detector 243 is detected.
Is no longer pressed, and the device body 2
Is turned off. Of course, the power supply of the device main body 2 can be shut off by turning the engine key from the accessory switch position or from the engine start position to the off position.

Therefore, when the user removes the operation panel 3, the power supply of the device main body 2 is automatically cut off. This means that some vehicles do not have the accessory position as described above, and even if the operation panel 3 is removed, the power of the device main body 2 is turned on and the sound is reproduced in low tones. The battery is in danger of going up. For this reason, when the operation panel 3 is removed, the operation panel detection device 24 that always shuts off the power supply
Was needed.

[0018]

However, the operation panel detecting device 24 has a problem that the spring force of the leaf spring 241 and the push switch 244 is not uniform, the interval between the pressing protrusion 242 and the push switch 244 is not uniform, If there is a displacement with the push switch 244, the detector 24
3, the push switch 244 does not operate, the leaf spring 241 does not return, and the push switch 244 does not return.
Is pressed, or the push switch 244 is pressed.
There is a problem that the contact and the pressing convex portion 242 have poor contact, and that the resin detector 24 is worn out during use, which causes a defect or a defect.

Therefore, the operation panel detection device 24 requires each component and its assembly accuracy in a manufacturing process, which causes an increase in manufacturing cost. Further, the number of components is large, which contributes to an increase in the cost of the CD player 1.

Therefore, the present invention is intended to solve such a problem, and eliminates the operation panel detection device in the conventional electronic device, and when the operation panel is opened from the device main body without it. When the operation panel is detached from the device main body, when such a state continues for a predetermined time, the power supply of the device main body side is automatically cut off, and an electronic device having an openable and closable operation panel is obtained. The purpose is to do so.

[0021]

According to the first aspect of the present invention, there is provided an operation panel and an apparatus main body having an operation panel mounting portion on which the operation panel is mounted.
The operation panel is configured to be openably and closably or detachably attached to the operation panel mounting portion, and the operation panel is provided with an operator on a front surface thereof and a connector on a rear surface thereof. An electronic circuit device that generates a control signal generated by operating the operation element and outputs the control signal to the connector is provided therein. A control device that responds to a control signal or the like generated by the operation of the control device, an electronic circuit device controlled by the control device, power to the control device, the electronic circuit device, and the like, and, if necessary, to the operation panel through the connector When the operation panel is mounted on the operation panel mounting portion, the connector of the operation panel can be connected to the power supply device. In an electronic device provided with a connector, the operation panel is mounted on an operation panel mounting portion of the device main body, the two connectors are connected, and the power supply device operates to supply power to the control device and the like. When the operation panel is opened or detached from the operation panel mounting portion and the connection between the two connectors is cut off when the device body is supplied and the device body is operating, the disconnection is controlled by the control. This problem is solved by providing a power supply disconnecting means for disconnecting the supply of the power supply device after a predetermined time has elapsed after the detection by the device.

Therefore, according to the first aspect of the present invention,
This eliminates the need for an operation panel detection device in a conventional electronic device, reduces the number of components, and improves reliability accordingly.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic apparatus according to an embodiment of the present invention will be described below with reference to the drawings. In the following description, a CD player will be described as one of the electronic devices of the present invention.

FIG. 1 is a front view of a device main body of a CD player according to an embodiment of the present invention, FIG. 2 is a block diagram of a power supply circuit device according to an embodiment of the electronic device of the present invention, and FIG. 4 is an operation flowchart of the power supply circuit device shown.

The same components as those of the prior art CD player 1 will be described with the same reference numerals.

In FIG. 1, reference numeral 2A indicates a main body of a CD player 1A (FIG. 2) according to an embodiment of the present invention. The CD player 1A of the present invention also comprises a device main body 2A and an operation panel which is detachably mounted on an operation panel mounting portion 21 of the device main body 2A. Since the configuration and the structure are the same, illustration is omitted.

As shown in FIG. 2, similarly to the conventional apparatus main body 2, the apparatus main body 2A has a control device 26 centered on a computer, and a rotational drive of a CD controlled by the control device 26. Controlled device 27 such as a spindle motor for driving, a feed motor for driving an optical pickup, etc., other electronic circuit devices 28, these control devices 26, controlled devices 27, electronic circuit devices 28, etc., and, if necessary, through a connector 23. A power supply device 29 for supplying power to the operation panel 3 and the like are built in.
The output of the timer 26A in the computer No. 6 is connected to the main power switch 29A of the power supply device 29. In addition,
Symbol R indicates a pull-up resistor.

Further, a disc insertion opening 22, a connector 23, an ejector button 25, and the like are provided in a front operation panel mounting portion 21 of the apparatus main body 2A, similarly to the conventional apparatus main body 2. However, the operation panel detection device 24 is not provided in the operation panel mounting section 21 of the device main body 2A of the present invention.

The connector 23 is connected to a connector 34 (FIG. 2) provided on the back surface of the operation panel 3 and various control signals generated by operating the operation elements 31 such as various operation buttons on the operation panel 3. Is a connection component that can be supplied to the control device 26. One of the plurality of connection pins of the connector 23 is a power supply connection pin 231, and the connection pin 231 is connected to the positive electrode of the power supply device 29 and the control device 26. 1
Connect the input terminals.

On the other hand, one of the plurality of connection pins of the connector 34 of the operation panel 3 connected to the connection pin 231 is a power supply connection pin 341 which is grounded.
FIG. 2 shows a state in which the operation panel 3 is opened or removed and the connectors 23 and 34 are not connected.

Next, the operation of the power supply circuit device of the CD player 1A will be described with reference to the operation flowchart shown in FIG.

First, when the operation panel 3 is mounted on the operation panel mounting portion 21 of the device main body 2A, the connector 34 on the operation panel 3 is connected to the connector 23 on the device main body 2A.
, And therefore the connection pin 341 is also connected to the connection pin 231.
It is connected to the. In this case, the main power switch 29A is connected, and a predetermined voltage is supplied from the power supply device 29 to the control device 26, the controlled device 27, the electronic circuit device 28, the operation panel 3, and the like, and each is in an operating state. For example, a voltage of 5 V is applied to both connection pins 231 and 341,
A computer in the control device 26 monitors this voltage value.

Next, the operation panel mounting section 2 of the device main body 2A
The operation panel 3 is rotated from 1 to open the operation panel 3 as shown in FIGS. 8 and 9, or further remove the operation panel 3 from this open state as shown in FIGS. 10 and 11. In this case, the connection pin 341 of the connector 34 is
The connection with the third connection pin 231 is disconnected (S1).

At the moment when these connections are disconnected, the supply of the voltage from the power supply 29 applied to both connection pins 231 and 341 is also stopped, and the computer detects the state, and the timer 26A starts operating. (S2). The operation time of the timer 26A is, for example, when the operation panel 3 is opened in a horizontal state as shown in FIGS. 8 and 9, the CD is taken out, the next CD is taken out, the next CD is taken out, and inserted into the disc insertion opening 22 and mounted. It is necessary to prevent the power from being turned off even when operating according to a normal operation procedure that can be performed, and it is desired that the operation be performed for a certain time so that such operation can be performed with a sufficient margin. For example, it is set to about 2 to 3 minutes. When such time has elapsed, the timer 26A turns off the main power switch 29A (S3). Main power switch 29A
Is disconnected, the power supply to the controlled device 27, the electronic circuit device 28, and the like is cut off, and the device main body 2A can be completely stopped.

Therefore, even if the user keeps the operation panel 3 open, the power supply of the apparatus main body 2A can be automatically cut off after the predetermined time.

Next, the user places the operation panel 3 on the device main body 2.
A, when attached to the operation panel attachment section 21 and closed, the two connection pins 231 and 341 are connected and these are energized. When the computer detects this energization, the main power switch 29A is connected, and power is supplied to the controlled device 27 and the electronic circuit device 28 of the device main body 2A, and the computer enters the operating state.
A state in which reproduction of a CD and reception of a radio can be performed is established.

In the above embodiment, the CD player is described as an example of the electronic apparatus.
It is not limited to players, but also includes radio receivers, cassette tape devices, mini disk devices, DVDs
It should be noted that the present invention can be applied to (digital video disc) devices, car navigation devices, and the like.

[0038]

As described above, according to the electronic apparatus of the present invention, the operation panel detecting device in the conventional electronic apparatus is not required, and when the operation panel is opened and a certain time has elapsed, The power supply of the device body can be cut off. Therefore, a large number of parts such as an operation panel detection device are not required, and the number of assembling steps can be reduced, so that the reliability of the electronic device can be improved, and the cost of the electronic device can be reduced, and so on. Excellent effects can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view of a device main body of a CD player according to an embodiment of the present invention.

FIG. 2 is a block diagram of a power supply circuit device according to one embodiment of the electronic apparatus of the present invention.

FIG. 3 is an operation flowchart of the power supply circuit device shown in FIG. 2;

FIG. 4 is an external perspective view of an in-vehicle CD player with a conventional operation panel mounted.

FIG. 5 is a front view of the device main body with the operation panel of the CD player shown in FIG. 4 removed.

FIG. 6 is a top view showing a partial cross section of a front portion of the CD player with an operation panel mounted.

FIG. 7 is an enlarged perspective side view of the CD player in the state shown in FIG. 6;

8 is a top view showing a partial cross section of a front portion of the CD player in a state where an operation panel is opened from the state shown in FIG. 6;

9 is an enlarged transparent side view of the CD player in the state shown in FIG. 8;

FIG. 10 is a top view showing a partial cross section of a front part of the CD player in a state where an operation panel is detached from a device main body from the state shown in FIG. 8;

11 is an enlarged transparent side view of the main body of the CD player in the state shown in FIG. 10;

[Explanation of symbols]

1A: Electronic device of one embodiment of the present invention, 2A: Device main body, 21: Operation panel mounting portion, 22: Disc insertion opening, 23: Connector, 231, Connection pin, 3: Operation panel, 31: Operator, 32 ... Disc insertion slot, 33 ... Mounting release button, 34 ... Connector, 341 ... Connection pin, 26
... Control device, 26A ... Timer, 27 ... Controlled device, 2
8. Electronic circuit device

Continued on the front page F term (reference) 3D020 BA02 BB01 BC03 BD03 BD11 BE01 4E360 AB04 AB12 AB20 BA02 BB02 BB12 BB16 BC03 BC05 EA03 EA18 ED03 ED13 ED14 ED16 ED27 FA08 GA06 GA33 GA35 GA46 GB13

Claims (3)

[Claims] An operation panel is provided on one surface and can be opened and closed and / or removably attached to a predetermined mounting portion. The operation panel is provided for operating the operation panel provided on the operation panel. A control device that responds, an electronic circuit device controlled by the control device, the control device, the power supply to the electronic circuit device, and the operation panel when the operation panel is mounted on the predetermined mounting portion. An electronic device comprising a power supply device capable of supplying power to the electronic device and a device main body provided with the predetermined mounting portion, wherein the device main body is such that the operation panel is opened and / or separated from the predetermined mounting portion. Detecting means for detecting the time, operating the timer means in response to the detection by the detecting means, after a predetermined time, the power supply from the power supply device to the electronic circuit device An electronic apparatus characterized by comprising a power supply cutting means for cutting the paper. 2. The apparatus according to claim 1, wherein the operation panel is connected to the device main body by a connector, and the detecting means detects disconnection of the connector due to opening and / or detachment from the predetermined mounting portion of the operation panel. Claim 1 characterized by the following:
An electronic device according to claim 1. 3. The electronic device according to claim 2, wherein the connector is provided at the predetermined mounting portion.