JP2008261158A - Alarm for door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an alarm for a door capable of improving a warning function, in particular, at nighttime by changing the type of alarm sound between daytime and nighttime automatically, and being inexpensively manufactured and having a simple configuration. <P>SOLUTION: This alarm 1 for door for making an alarm sound when detecting opening of the door A is constituted to give at least two types of alarm sounds having different qualities and ranges of sound such as an alarm sound and a chime sound. This alarm 1 for door is provided with a light and shade sensor 4 to change type of alarm sound in accordance with a bright or dark condition around the door automatically. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a door alarm generally called a door chime, a door alarm, or a door sensor. In this specification, a door includes a sliding door in addition to an open / close door.

  This type of door alarm is composed of a door open / close detection switch that is turned on when the door is opened and turned off when the door is closed, and a main body that houses an alarm that emits an alarm sound when turned on. In many cases, the main body portion stores a dry battery as a power source, and usually one of the main body portion and the open / close switch is attached to the door side and the other is attached to the door frame side. In addition, in the case where the open / close switch is composed of a pair of members, for example, a magnet and a magnetic sensor (magnet sensor), one is attached to the door side and the other is attached to the door frame side. Although there is a type that is attached to a wall surface etc. after being connected in the case of this type, this type of door alarm device mainly uses AC100V as a power source. As the open / close switch, the above-mentioned magnet type or mechanical (spring) type is generally used.

  As a product related to the above door alarm, a manual switch that switches between chime sound and alarm sound is provided in the main body part, and by switching the switch, you can select the chime sound “Ping Pong” and the alarm sound “Peep” Door alarms that can be used are on the market (for example, see Non-Patent Document 1).

As a prior art related to the above open / close switch, a device has been proposed in which a magnetic sensor detects a magnetic field generated by a magnet and detects that a door is in a closed state or an open state by changing an output signal (for example, , See Patent Document 1).
EC911WP manufactured by Matsushita Electric Works, Ltd. JP-A-6-124630

  Conventional door alarms as described above can generally be selected from a plurality of different types of alarm sounds, such as chime sounds and alarm sounds. For the most part, for example, no chime sound can be heard during the day and no alarm sound can be heard during the night. In addition, there is an audio type that speaks words, but in any case, it is necessary to select from preset alarm sounds. For example, the user can arbitrarily select from a large number of songs and select I don't see anything that uses the song as an alarm sound.

  The present invention has been made in view of the above points, and can automatically change the type of alarm sound between daytime and nighttime to improve the alarm function especially at nighttime, and is simple in structure and manufactured at low cost. The first object is to provide a possible door alarm.

  Further, for example, a second object is to provide a door alarm device that can easily store a song downloaded to the personal computer from the Internet or a CD in a memory in the main body and use it as an alarm sound. .

  In order to achieve the above object (first), a door alarm device according to the present invention (Claim 1) is a door alarm device that generates an alarm sound by detecting the opening of the door. Configured to be able to generate at least two types of alarm sounds with different sound quality and range, and provided a light / dark sensor (also called illuminance sensor) to automatically change the type of alarm sound according to the ambient illuminance It is characterized by.

  In order to achieve the above object (second), the door alarm device according to the present invention (Claim 2) detects the opening of the door and emits an alarm sound. A function of selecting a voice data to be transferred by providing a computer, a voice data memory and a USB terminal, a function of converting the selected voice data into a format reproducible by an amplifier and a speaker built in the door alarm device, and a converted function The microcomputer is loaded with program software having a function of transferring the program via USB.

  The door alarm device according to the present invention having the above configuration has the following excellent effects.

  In the door alarm device according to claim 1, since the brightness sensor detects the ambient brightness (illuminance) and emits a different alarm sound, when the door is opened at night, for example, a loud acoustic alarm sound When the door is opened during the daytime, for example, a gentle chime sound is emitted to alert the user, so unlike the conventional case, there is no need for the user to change the alarm sound by switching the switch. Convenient.

  Further, the door alarm device according to claim 2 is provided with a microcomputer, a voice data memory and a USB terminal, and can be used as an alarm sound or a ringing tone by transferring a song downloaded to a PC or the like and storing it in the memory. Therefore, not only the chime sound and alarm sound set in advance, but also a song that suits the user's preference can be freely used as the alarm sound. Also, audio data can be easily imported into the door alarm device using the built-in program software via USB.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a door alarm device according to the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a usage mode of a door alarm device according to an embodiment of the present invention, FIG. 2 is a block circuit diagram showing a configuration of an alarm circuit for the door alarm device according to an embodiment of the present invention, and FIG. FIG. 4 is a flowchart showing the procedure of alarm processing of the door alarm device according to the embodiment of the present invention.

  As shown in FIG. 1, the door alarm device 1 according to the present embodiment includes a magnet 11 attached to the upper end of one side edge of the door A, and the main body 2 of the door alarm device 1 is a magnet. 11 is attached by adhering to a door frame at a position corresponding to 11 or a wall surface B adjacent to the door frame with a double-sided tape (not shown) or the like. As shown in FIG. 2, a magnetic sensor (magnet sensor) 3 is provided in the main body 2, and the magnetic sensor 3 is used in a state of facing the magnet 11. In addition, a brightness / darkness sensor (illuminance sensor) 4 is provided at a corner portion on the front surface of the main body 2. The magnetic sensor 3 is directly connected to a microcomputer (hereinafter referred to as a microcomputer) 5 as a control unit, and the light / dark sensor 4 is connected to the microcomputer 5 via an A / D converter 6. The magnetic sensor 3 is connected to the microcomputer 5 so that Low (switched off) / High (switched on) can be detected by the distance from the magnet 11. The output voltage of the light / dark sensor 4 changes according to the ambient brightness, and the output voltage is digitized by the A / D converter 6.

  The microcomputer 5 is provided with a RAM as a storage device and a nonvolatile memory (for example, a flash memory) as an audio data memory. Moreover, as an operating power source for the microcomputer 5, an AC 100V power source is used in this example, but a dry battery that can be stored in the main body 2 can also be used. Further, a speaker 8 is connected to the microcomputer 5 via an audio amplifier 7. In this example, a chime sound or an alarm sound is output from the microcomputer 5 as a PWM signal. Further, the microcomputer 5 is connected to a USB terminal 9 for connecting a USB device. Thereby, as shown in FIG. 3, a personal computer (hereinafter referred to as a PC) 12 can be connected to the main body 2 via the USB cable 13, and the music downloaded to the PC 12 can be transferred and stored in the nonvolatile memory. .

  Here, the procedure of the operation process by the microcomputer 5 will be described based on the flowchart of FIG. This alarm processing is executed by the microcomputer 5 in the main body 2 executing a program prepared in advance. Further, the process of the flowchart shown in FIG. 4 is repeatedly executed at a predetermined cycle.

  As shown in FIG. 4, when the operation is started in the standby state (step S1), it is determined whether or not the PC 12 is connected to the USB terminal 9 (step S2). If YES, the microcomputer 5 receives the audio data from the PC 12 (step S3), and transfers and stores it in the nonvolatile memory (step S4). When step S4 ends, the process returns to the start (standby state) of step S1.

  On the other hand, in the case of No, since the normal alert mode is set, it is detected through the magnetic sensor 3 whether it is High (switched on) (step S5). For example, when the opening / closing door A (see FIG. 1) is opened, the result is Yes and the process proceeds to the next step S6. In this step S6, the voltage value is input from the light / dark sensor 4 to the microcomputer 5, and the microcomputer 5 It is determined whether it is bright (for example, whether the digitized voltage value is higher than a set value and is higher) or dark (step S7). In the case of bright (YES), audio data is read from the chime sound area of the nonvolatile memory and a PWM signal is output (step S8). If it is dark (NO), the audio data is read from the alarm sound area of the non-volatile memory and a PWM signal is output (step S9). When step S8 or step S9 ends, the process returns to the start (standby state) of step S1.

  In the above flow chart, when High (switch-on) is detected via the magnetic sensor 3 (when the determination result in Step S5 is YES), a timer (not shown) with a chime sound or an alarm sound built into the main body 2 is shown. ), The chime sound or the alarm sound can be output only once. In the above embodiment, the voltage value used for the light / dark judgment by the light / dark sensor 4 is set in the microcomputer 5, but instead of providing a storage area in the non-volatile memory, the PC 12 and the USB cable 13 are provided. Alternatively, the data may be stored sequentially via the USB terminal 9.

  By the way, according to the door alarm device 1 according to the above-described embodiment, desired audio data such as a song downloaded to the PC 12 can be displayed separately from the fixed audio data previously set in the microcomputer 5 as a chime sound and an alarm sound. As shown in FIG. 3, it can be transferred to the main body 2 of the door alarm 1 via USB and used freely. Therefore, program software for receiving audio data is installed in the microcomputer 5 in the main body 2. The program software is also installed in the PC 12. The program software has a function of selecting voice data to be transferred (for example, WAVE file) and a format in which the selected voice data can be reproduced by the door alarm device 1. The function to convert and the function to transfer the converted function to the door alarm device 1 via USB are included. Furthermore, a function for setting a voltage value for determining light and dark by the light and dark sensor 4 is also included.

  Next, the operation procedure for writing audio data to the door alarm device 1 will be described with reference to FIGS.

  FIG. 5 is an explanatory diagram showing an example of memory increase in the control unit (microcomputer) of the door alarm device of the present embodiment. As shown in the figure, the address from address 0000H to address 7FFFH is the program area, and the address from address 8000H to address FFFF is the audio data area. In this audio data area, addresses 8000H to BFFFH are used for chimes, and addresses C000H to FFFFH are used for alarms.

  6 is an explanatory diagram showing an example of a voice data writing sequence from the PC 12 to the door alarm device 1, FIG. 7 is an explanatory diagram showing an example of the voice data writing sequence command in FIG. 6, and FIG. It is a conceptual diagram which shows an example of the operation screen in PC of the program software for PC. The voice data is written to the door alarm device 1 by starting the voice data transfer software (see FIG. 8) in a state where the PC 12 is connected to the main body 2 via the USB cable 13 as described above. In the PC 12 side software, an audio data file name is input to the audio data file name input area 14 of FIG. 8 by operation of Graphical User Interface (graphical interface). By clicking the reference button 15 on the right side, a window for selecting a file is displayed. In this window, a file name can be input.

  After inputting the file name in this way, the audio data is transferred from the PC 12 to the door alarm device 1 via the USB by clicking the audio transfer button 16. The voice data is transferred from the PC 12 to the door alarm device 1 as serial data. When the voice transfer button 16 in FIG. 8 is clicked, as shown in the sequence example in FIG. 6, 1) a voice data write start command is transmitted. The voice data write start command is as shown in FIG. 7A, and the “voice data area” is designated at the time of writing. On the other hand, the door alarm device 1 side receives a write start command as shown in (1) of FIG. 6, initializes internal variables of the microcomputer 5, and prepares to receive voice data. When this preparation is completed, an OK signal is transmitted to the PC 12 as shown in (2) of FIG. However, if there is an error in the received signal (determined by checksum), an NG signal is transmitted to the PC 12. If the PC 12 receives the NG signal, it displays on the window that an error has occurred and terminates the PC side software. Although illustration is omitted, it is assumed that the NG process is performed similarly for the next command.

  Next, the audio data area deletion command shown in (3) of FIG. 6 ((b) of FIG. 7) is transmitted from the PC 12. The door alarm 1 side receives the command (3) in FIG. 6 ((b) in FIG. 7) and erases the data in the nonvolatile memory. That is, the audio data area designated by the command in FIG. When erasure of data in the nonvolatile memory is completed on the door alarm 1 side, an OK signal is transmitted to the PC 12 ((4) in FIG. 6). Subsequently, a voice data write command ((c) in FIG. 7) is transmitted from the PC 12 side ((5) in FIG. 6). The audio data write command ((c) in FIG. 7) includes an audio data area, a data size, and a sequence number. The sequence number starts from 0 and is incremented by 1 each time data is transmitted. When the voice data write command ((c) in Fig. 7) is received on the door alarm 1 side, the voice data is once transferred to the RAM, the voice data area and the sequence number are confirmed, and the checksums match. For example, writing to the nonvolatile memory is performed.

  Corresponding to these operations, the microcomputer 5 of the door alarm device 1 calculates a write address to the nonvolatile memory from the voice data area, sequence number, and data size. When the writing operation is completed, an OK signal is transmitted to the PC 12. If a data error has occurred, an NG signal is transmitted to the PC 12.

  When receiving the OK signal, the PC 12 adds 1 to the sequence number and transmits a voice data write command having the sequence number of 1 addition ((5) in FIG. 6). On the other hand, when an NG signal is received, an audio data write command having the same sequence number (before 1 is added) is transmitted ((5) in FIG. 6). In this way, the transmission is repeated until the transmission of all the audio data is completed.

  When the transmission of audio data from the PC 12 is completed, a write end command ((d) in FIG. 7) is transmitted ((7) in FIG. 6). Corresponding to this, when the door alarm device 1 receives the write end command ((d) in FIG. 7) ((7) in FIG. 6), it performs the end processing and transmits an OK signal to the PC 12 (FIG. 7). 6 (8)), a series of audio data transfer work is completed.

  In the above, a series of operation procedures have been described for the normal alarm mode and the voice data transfer mode for the door alarm device 1 according to the embodiment of the present invention. However, these are merely examples, and can be implemented with appropriate modifications.

It is a perspective view which shows the usage condition of the alarm device for doors based on the Example of this invention. It is a block circuit diagram which shows the structure of an alarm circuit about the alarm device for doors which concerns on the Example of this invention. It is explanatory drawing which shows the transfer aspect of the data of the chime sound using PC. It is a flowchart which shows the procedure of the alarm process of the alarm device for doors which concerns on the Example of this invention. It is explanatory drawing which shows an example of the memory increase in the control part (microcomputer) of the alarm device for doors concerning the Example of this invention. It is explanatory drawing which shows an example of the write-in sequence of the audio | voice data from PC to the door alarm device. FIG. 7 is an explanatory diagram illustrating an example of a command for writing audio data in FIG. 6. It is a conceptual diagram which shows an example of the operation screen in PC of the audio | voice data transfer program software in the door alarm device which concerns on the Example of this invention.

Explanation of symbols

1 Door Alarm 2 Body 3 Magnetic Sensor (Magnet Sensor)
4 Light / dark sensor (illuminance sensor)
5 Microcomputer
6 A / D converter 7 Audio amplifier 8 Speaker 9 USB terminal 11 Magnet 12 PC (personal computer)
13 USB cable

Claims (2)

In the door alarm that detects the door opening and emits an alarm sound,
It is configured to generate at least two types of alarm sounds with different sound quality and range such as alarm sound and chime sound, and a light and dark sensor is provided to automatically change the type of alarm sound according to the surrounding illuminance An alarm for doors. The door alarm device according to claim 1, wherein an alarm sound is generated by detecting opening of the door.
Provided with a microcomputer, a memory for audio data and a USB terminal, a function for selecting audio data to be transferred, a function for converting the selected audio data into a format that can be reproduced by an amplifier and a speaker built in the door alarm device, and conversion A door alarm device, wherein the microcomputer is loaded with program software having a function of transferring functions via USB.

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