KR100593878B1 - Burglar alarm combined calling bell - Google Patents

Abstract

The present invention relates to a wireless alarm bell combined with a burglar alarm, and more particularly, is installed in a PC room, such as a wireless calling function that allows a customer to call an administrator, as well as attached to a computer case and theft, which has a function of preventing theft of internal components of the computer. The present invention relates to an alarm combined calling bell.

Wireless alarm bell combined with theft alarm according to the present invention is installed in the coupling portion of the computer case that can be opened and closed to detect the opening of the computer case through the theft sensor, and if the opening of the case is detected theft signal through the transmission antenna And transmit to the call indication device.

The wireless alarm bell combined with the alarm according to the present invention is useful as it can prevent theft of computer parts and the like as well as a general wireless calling function.

Burglar alarm, cordless call bell, anti-theft, cordless call

Description

Wireless alarm bell combined with theft alarm {WIRELESS CALLING BELL USED AS BUGLAR ALRAM}

Figure 1 shows the configuration of a wireless alarm bell combined with theft alarm according to an embodiment of the present invention.

Figures 2 and 3 illustrate the principle of operation of the anti-theft alarm dual ringing bell according to an embodiment of the present invention.

Figure 4 is a control block diagram of a burglar alarm dual ringing bell according to the present invention.

Figure 5 shows another embodiment of the anti-theft alarm dual ringing bell according to the present invention.

The present invention relates to a wireless alarm bell combined with a burglar alarm, and more particularly, is installed in a PC room, such as a wireless calling function that allows a customer to call an administrator, as well as attached to a computer case and theft, which has a function of preventing theft of internal components of the computer. The present invention relates to an alarm combined calling bell.

Recently, as theft cases of expensive components such as RAM mounted inside a computer in a PC room frequently occur, the necessity of a computer component theft alarm device is increasing.

However, due to cost problems, most PC rooms do not have a separate burglar alarm system, and therefore, they are exposed to theft of expensive parts without protection.

In the present invention, to impose the theft alarm function to prevent theft of computer parts to the wireless call bell generally used in the PC room for the administrator call to prevent theft of the computer parts without the extra high cost I would like to.

Wireless alarm bell combined with the alarm according to the present invention for achieving the above technical problem, theft detection sensor for generating a case opening signal by detecting the same time as the computer case is opened, and for calling the manager by the operation of the customer A call switch for generating a manager call signal, a frequency generator for generating a corresponding frequency according to the opening of a case or a call of a customer, the theft detection sensor, a call switch, and a frequency generator electrically connected to the theft detection sensor A controller for discriminating and recognizing a case open signal detected by the call switch and a call signal generated by the call switch, and controlling a frequency generator according to each signal type to generate a specific frequency, an amplifier connected to the frequency generator and amplifying a signal; Connected to the amplifier, the case open signal and the manager call It is characterized in that comprises a transmit antenna for transmitting a radio wave corresponding to the signal in the call display device.

At this time, the burglar detection sensor includes a micro switch (preferably a hinge roller lever micro switch), a magnetic reed switch, a photo sensor, a hall sensor, and the like. Can be used.

On the other hand, according to the present invention, the wireless alarm bell combined with the alarm may further include a lamp and a buzzer to recognize whether the case open signal or the manager call signal is generated with light and sound, the lamp and the buzzer is It is electrically connected to the control unit and is configured to operate under the control of the control unit according to the operation of the burglar detection sensor and the call switch.

Hereinafter, with reference to the accompanying drawings will be described an embodiment and the operation of the present invention.

Figure 1 shows the configuration of a wireless alarm bell combined with theft alarm according to an embodiment of the present invention.

As can be seen in the drawings, the wireless alarm bell for both the anti-theft alarm of the present embodiment, the hinge roller lever-type microswitch 105 for detecting the opening of the computer case, and for the button-type call used by the customer to call the manager A control unit electrically connected to the switch 110 and the micro switch 105 and the call switch 110 to recognize the case open signal and the manager call signal and control the transmitter 120 to generate a corresponding frequency ( A transmission unit 120 including a frequency generator and an amplifier to generate a corresponding frequency under the control of the control unit 115, and a radio wave of a specific frequency generated by the transmission unit 120; A transmission antenna 125 to be transmitted to the antenna, the hinge roller lever-type micro switch 105, a button type call switch 110, a control unit 115, a transmission unit 120, and a transmission antenna 125 are mounted. PCB 130 for electrically connecting them, a power supply unit 135 for supplying power to each device, and a lever hole 140-to expose the lever of the hinge roller lever-type microswitch 105 to the outside of the call bell. It comprises a lower case 140 having a 1) and an upper case 145 having a button hole 145-1 for exposing the button of the call switch 110 to the outside.

2 and 3 illustrate a process of operating the burglar alarm dual ringing bell of the embodiment.

Wireless alarm bell combined with the alarm according to the present invention is mounted on the coupling portion of the computer case 300 as shown in Figs. At this time, the lower case 140 of the call bell is fixed to the rear housing 320 of the computer case 300 is configured to open and close the case 300 without removing the call bell.

As shown in FIG. 2, the lever 105 of the microswitch 105 exposed to the outside through the lever hole 140-1 when the front housing 310 and the rear housing 320 of the computer case 300 are coupled to each other. -1) is pressed by the front housing 310 to maintain the NO (Normal Open, OFF) state, but as shown in Figure 3 when the case 300 is opened, the call bell 100 is fixed to the rear housing 320 As a result, the lever 105-1 exposed to the outside through the lever hole 140-1 is in a normally closed (ON) state and generates a case open signal.

4 is a block diagram of a burglar alarm dual ringing bell according to the present invention.

When the burglar detection sensor 105 detects the opening of the case and transmits the case opening signal to the controller 115, the controller 115 recognizes this and controls the frequency generator 120-1 of the transmitter 120 to control the frequency of the specific frequency. The radio wave signal is generated and the generated radio wave signal is amplified through the amplifier 120-2 and then transmitted through the transmission antenna 125. On the other hand, when the customer presses the call switch 120, the call signal is transmitted through the above-described process. On the other hand, anti-theft dual ringing bell according to the present invention has a lamp 150 or a buzzer 155 to be configured to indicate whether the operation of the micro switch 105 or the call switch 120 through the light or sound. It may be.

Figure 5 shows another embodiment of the anti-theft alarm dual ringing bell according to the present invention.

In the above-described embodiment, since the call bell can be mounted only on the coupling part of the computer case, there is a disadvantage in that the installation is limited internally. The present embodiment is intended to improve this disadvantage, by using the magnetic reed switch 105 'as theft detection sensor and connecting it with the control unit through the elongated communication line 160 to install the call bell 100 in various locations To help.

Looking at the operation principle, the magnetic reed switch 105 consisting of a magnetic part 105'-1 fixed to the front housing 310 of the case, and a reed switch 105'-2 fixed to the rear housing 320 of the case. ') Is connected to the control unit through the communication line 160 installed through the case, the magnetic part 105'-1 and the reed switch 105'-2 when the computer case 300 is opened. As the distance of the signal is increased, a signal voltage (case open signal) is output from the reed switch 105'-2, so that the burglar alarm signal is transmitted to the call display device to prevent theft of computer components.

In addition, in case of using the photo sensor as theft detection sensor, LED is installed in the front housing of the computer case and photo TR (Transistor) is installed in the rear housing, and the light transmitted to the photo TR at the same time as the case is opened. When the signal is weakened, the photo TR is turned off, and the case open signal is transmitted to the controller, and the burglar alarm function is implemented.In case of using the hall sensor as the burglar detection sensor, the magnetic sensor is installed in the front housing and the hall sensor in the rear housing. It is configured to recognize the opening of the case by using the reduced hall voltage due to the opening of the case.

On the other hand, the above embodiments and drawings are merely for the purpose of describing the contents of the invention in detail, and are not intended to limit the scope of the technical idea of the invention, the present invention described above is common in the art to which the present invention pertains. As those skilled in the art can make various substitutions, modifications, and changes without departing from the technical spirit of the present invention, the present invention is not limited to the embodiments and the accompanying drawings. Judgment should be made including scope and equivalence.

In the case of using the wireless call bell as the anti-theft device as described above, the wireless call device provided in the wireless call bell itself can be used as it is, simply by adding a sensor for recognizing the opening of the case. Since the burglar alarm function can be implemented, there is an economical advantage over adding a burglar alarm device.

Claims (2)

Theft sensor that detects the opening of the computer case and generates a case opening signal, a call switch for generating a manager call signal for calling the manager, and a frequency for generating a corresponding frequency according to the case opening or the customer's call. The generator is electrically connected to the burglar detection sensor, the call switch, and the frequency generator to distinguish and recognize the case open signal generated by the burglar detection sensor and the call signal generated by the call switch, according to the type of each signal. A control unit for generating a specific frequency by controlling a frequency generator, an amplifier connected to the frequency generator to amplify a signal, and a transmission connected to the amplifier to transmit radio waves corresponding to a case open signal and a manager call signal to a call display device. Zero, characterized in that configured to include an antenna Burglar alarm calls and combine wireless calling bell. The method of claim 1, The theft detection sensor is a wireless call and theft alarm combined wireless call bell, characterized in that any one of a micro switch, magnetic reed switch, photosensor, Hall sensor.

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