Low-cost emergency alarm terminal realized by ringing signal of program-controlled telephone switch

Abstract

The invention provides a low-cost emergency alarm terminal for a ringing signal of a program-controlled telephone switch. The low-cost emergency alarm terminal comprises an emergency help seeking unit, the telephone switch, an alarm signal receiving unit and an amplifying circuit power supply unit, the emergency help-seeking unit located at the post is connected with the existing program-controlled telephone switchboard through a starting telephone line to complete built-in connection, that is, a call starting terminal is set to be communicated with a corresponding platform alarm terminal, and data is set by the switchboard. And then the stored program control exchange sends a ringing signal to an alarm terminal of a matched receiving platform corresponding to a remote manned control room, and the platform gives out continuous sound-light alarms. The device can utilize existing abundant resources of communication equipment to develop an alarm function, and is low in cost, safe, simple and reliable; the utilization rate of communication equipment is improved, and independent alarm investment is saved.

Description

Technical Field

[0001] The invention relates to the technical field of alarm devices, and in particular to a low-cost emergency alarm terminal realized by a ringing signal of a program-controlled telephone exchange. Background Art

[0002] When important positions in an enterprise are attacked by terror or barbaric riots, the personnel usually use the phone to call 110 to report the incident. This action is obvious and can be easily discovered and controlled by the rioters, which puts the personnel at risk. In order to minimize the losses of the incident, emergency signals are sent. The personnel need to press buttons in a hidden place that is not easy to be discovered to send out a distress signal, achieve the purpose of alarm notification, and realize self-rescue. Summary of the invention

[0003] According to the technical problems mentioned in the above background technology, a program-controlled telephone exchange ringing signal is provided to realize low-cost emergency alarm. The present invention starts the telephone line through the emergency rescue terminal and connects to the existing program-controlled telephone exchange, completes the built-in connection, and sends the ringing signal to the corresponding matching receiving platform alarm terminal in the remote manned control room, and sends a continuous sound and light alarm, so that the staff can know and take countermeasures in time.

[0004] The technical means adopted by the present invention are as follows:

[0005] The ringing signal of the program-controlled telephone exchange realizes a low-cost emergency alarm terminal, including: a telephone exchange, a receiving circuit unit, an emergency rescue unit, a receiving alarm signal unit and an amplifying circuit power supply unit;

[0006] The emergency rescue unit located at the post is connected to the existing program-controlled telephone exchange by starting the telephone line to complete the built-in connection, that is, setting the call start terminal to connect with the corresponding platform alarm terminal, and the switch sets the data. Then the program-controlled exchange sends its ringing signal to the corresponding supporting receiving platform alarm terminal in the remote manned control room, and the platform sends out a continuous sound and light alarm.

[0007] Furthermore, the emergency rescue unit includes a resistor R1, a switch K1, and a bidirectional display LED lamp D; the A line sequentially connects the switch K1, the resistor R1, and the bidirectional display LED lamp D; and the other end of the bidirectional display LED lamp D is connected to the B line.

[0008] Furthermore, the alarm signal receiving unit receives the ringing signal sent from the switch line, sends it to the alarm platform full-wave rectifier HYD107 module, outputs a 27V pulsating DC signal, undergoes rectification, filtering and voltage stabilization, and then is reduced to 5 volts by the step-down module 7805, and supplies power to the CK9561 alarm sound signal source module. The alarm sound signal is then amplified by the 8002A (B) linear audio amplifier, and the alarm speaker is activated, emitting continuous alarm sounds and warning through flashing light.

[0009] Furthermore, the amplifier circuit power supply unit on the alarm platform has a current of 5.45ma only in the 8002A(B) audio amplifier when the entire circuit is static, and a current of 360ma when in dynamic operation, and a maximum power of P=uI=0.36A*5V=1.8w.

[0010] Furthermore, the 8002A(B) linear audio amplifier provides a USB DC power supply of 5V / 1A via a UPS power supply.

[0011] Furthermore, the emergency rescue unit starts the program-controlled switch via line A and line B.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] The device of the present invention can utilize the existing abundant resources of communication equipment to develop an alarm function, which is low-cost, safe, simple and reliable; the utilization rate of the communication equipment is improved, and the investment in a separate alarm is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a structural schematic diagram of the emergency rescue unit of the present invention.

[0016] Figure 2 This is a schematic diagram of the structure of the circuit unit of the alarm receiving platform of the present invention.

[0017] Figure 3 It is a system diagram of the workflow of the present invention. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0020] like Figure 1-2 As shown, the present invention provides a low-cost emergency alarm terminal for realizing a ringing signal of a program-controlled telephone exchange, comprising: an emergency rescue unit, a telephone exchange, an alarm signal receiving unit, and an amplifying circuit power supply unit;

[0021] The emergency rescue unit located at the post is connected to the existing program-controlled telephone exchange by starting the telephone line to complete the built-in connection, that is, setting the call start terminal to connect with the corresponding platform alarm terminal, and the switch sets the data. Then the program-controlled exchange sends its ringing signal to the corresponding supporting receiving platform alarm terminal in the remote manned control room, and the platform sends out a continuous sound and light alarm.

[0022] As a preferred embodiment, in the present application, the emergency rescue unit includes a resistor R1, a switch K1, and a bidirectional display LED lamp D; the A line sequentially connects the switch K1, the resistor R1, and the bidirectional display LED lamp D; the other end of the bidirectional display LED lamp D is connected to the B line. The emergency rescue unit starts the program-controlled switch through the A line and the B line.

[0023] As a preferred embodiment, in the present application, the alarm signal receiving unit receives the ringing signal sent from the switch line, sends it to the alarm platform full-wave rectifier HYD107 module, outputs a 27V pulsating DC signal, undergoes rectification, filtering and voltage stabilization, and then is reduced to 5 volts by the step-down module 7805, and supplies power to the CK9561 alarm sound signal source module. The alarm sound signal is then amplified by the 8002A (B) linear audio amplifier, and the alarm speaker is activated, emitting continuous alarm sounds and warning through flashing light.

[0024] Preferably, in the present application, the power supply unit of the amplifier circuit on the alarm platform, when the entire circuit is static, only the 8002A (B) audio amplifier has a current of 5.45ma, and when it is in dynamic operation, the current is 360ma, and the maximum power is P = uI = 0.36A * 5V = 1.8w. The 8002A (B) linear audio amplifier provides a USB DC power supply of 5v / 1A through a UPS power supply.

[0025] like Figure 3 As shown in the figure, the east gate alarm in the thick dotted frame is taken as an example of direct control alarm:

[0026] Number 8001# (East Gate) is used as the post alarm point, corresponding to the number 8003# of the control room receiving alarm platform;

[0027] Number 8007# is used as the post alarm point, corresponding to the number 8004# of the control room receiving alarm platform;

[0028] Number 8008# is used as the job alarm point, corresponding to the number 8005# of the control room receiving alarm platform.

[0029] As a preferred method, the east gate sends an alarm to the control room alarm platform at number 8004# at number 8001. Workflow:

[0030] When the 8001# post emergency start switch K1 is closed, the line occupies the program-controlled telephone exchange, and connects to the corresponding 8003# control room alarm platform number circuit through the line, distribution frame, and 8003# line, sending a ringing signal to it, which is filtered and stabilized to 27V after HYDB107 bridge rectifier, and then outputs 5V DC voltage through the 7805 voltage regulator module to power the CK9561 alarm sound signal source to make it work and send out an alarm sound, which is then amplified by the 8002A (B) linear power amplifier to send out a 90-decibel continuous alarm sound and light flash. In this application, the following components are dedicated to the alarm platform, and the designed components and functional modules are all mature products:

[0031] C1 is a 1UF63V capacitor, C2 is a 10UF / 50V electrolytic capacitor, W1-W3 is a BZX55C27 voltage regulator diode, LED1-3 is a Φ8 high brightness light emitting diode, CNR07D271K varistor, HYDB107 bridge. LA is 8Ω, 0.25-0.5W speaker. R is a 10KΩ resistor, R1 is a 2KΩ resistor, R2 is a 600Ω resistor, D is a Φ3 LED diode, K1 is an 86 panel switch, K2 is a DS213 self-reset button switch for testing, and JHJ is a Siemens program-controlled telephone exchange.

[0032] As an embodiment of the present application, in the present application, a 9*15cm double-sided tin-sprayed hole board is used, and the front and back sides of the test board with a hole pitch of 2.54mm are welded. The hole types are selected, and there are three hole positions on the shell: the incoming line, the display light, and the self-test test key; it is also necessary to consider that the test key passes through the circuit board position hole, and 5 LED φ8 holes are actually selected, the hole diameter of the seat is φ12, and the test key hole is φ10. Further, the components are placed in the correct position, parallel, upright, and evenly spaced. Further welding is carried out, and the component leads are cleverly used as connecting wires, and the solder joints are as consistent as possible. Select the terminal block, considering the welding foot pitch of 2.54, which is consistent with the hole pitch. The principle of connecting wires on the board is to have fewer wires, easy-to-identify colors, and be neat. The signal source CK9561 is selected at the upper left corner coordinate, and 8002A is located below it; the soldering connection wires are cleaned with alcohol. After testing all the correct connections, select the position of the power terminals, weld them, and connect the 5 pairs of lead wires, tighten the red-blue, orange-red, green-red, brown-red, and gray-black; connect the numbers respectively, act as the called party, and see the corresponding circuit display lights up and the alarm rings.

[0033] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages and disadvantages of the embodiments. In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments. In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The ringing signal of the program-controlled telephone exchange realizes a low-cost emergency alarm terminal, using a telephone exchange, characterized in that: include: Emergency rescue unit, alarm signal receiving unit and amplifier circuit power supply unit; The emergency rescue unit located at the post is connected to the existing program-controlled telephone exchange by starting the telephone line to complete the built-in connection, that is, setting the call start terminal to connect with the corresponding platform alarm terminal, and the switch sets the data. Then the program-controlled exchange sends its ringing signal to the corresponding supporting receiving platform alarm terminal in the remote manned control room, and the platform sends out a continuous sound and light alarm.

2. The low-cost emergency alarm terminal realized by the ringing signal of the program-controlled telephone exchange according to claim 1 is characterized in that: The emergency rescue unit includes a resistor R1, a switch K1, and a bidirectional display LED lamp D; the A line sequentially connects the switch K1, the resistor R1, and the bidirectional display LED lamp D; and the other end of the bidirectional display LED lamp D is connected to the B line.

3. The low-cost emergency alarm terminal realized by the ringing signal of the program-controlled telephone exchange according to claim 1 is characterized in that: The alarm signal receiving unit receives the ringing signal sent from the switch line and sends it to the alarm platform full-wave rectifier HYD107 module, outputs a 27V pulsating DC signal, which is rectified, filtered and stabilized, and then reduced to 5 volts by the step-down module 7805, and powered to start the CK9561 alarm sound signal source module. The alarm sound signal is then amplified by the 8002A (B) linear audio amplifier, and the alarm speaker is started, emitting continuous alarm sounds and warning through flashing light.

4. The low-cost emergency alarm terminal realized by the ringing signal of the program-controlled telephone exchange according to claim 1 is characterized in that: The power supply unit of the amplifier circuit on the alarm platform has a current of 5.45ma only in the 8002A(B) audio amplifier when the entire circuit is static, and a current of 360ma when in dynamic operation, with a maximum power of P=uI=0.36A*5V=1.8w.

5. The low-cost emergency alarm terminal using the ringing signal of a program-controlled telephone exchange according to claim 3 is characterized in that: The 8002A(B) linear audio amplifier provides USB DC power 5V / 1A through a UPS power supply.

6. The low-cost emergency alarm terminal using the ringing signal of a program-controlled telephone exchange according to claim 2 is characterized in that: The emergency rescue unit starts the program-controlled switch via the A line and the B line.

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