CN213303259U - Optical fiber broken circuit alarm device - Google Patents
Optical fiber broken circuit alarm device Download PDFInfo
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- CN213303259U CN213303259U CN202022438209.XU CN202022438209U CN213303259U CN 213303259 U CN213303259 U CN 213303259U CN 202022438209 U CN202022438209 U CN 202022438209U CN 213303259 U CN213303259 U CN 213303259U
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Abstract
The utility model relates to an optic fibre alarm device that opens circuit belongs to a warning circuit patrols and examines. The invention discloses an optical fiber open circuit alarm device, which adopts the technical scheme that: the normally closed contact switch comprises an SFQ optical fiber transceiver, two groups of triodes, two groups of relays and normally closed contact switches corresponding to the relays, wherein an electrical signal loop of the SFQ optical fiber transceiver is connected with a D1Luminous tube, D1The luminous tube emits light D2Light receiving tube receiving D1The luminous tube emitting a light signal D2Positive electrode of light receiving tubeInto a 12V DC positive electrode, D2The positive electrodes of the light receiving tubes are respectively connected with a triode Q1And a triode Q2The b pole of (1). After the device is used, the standby optical core is disconnected or the machine room is powered off, the preset telephone number can be automatically dialed to inform maintenance personnel, the maintenance progress is made as soon as possible, and the normal state of the standby optical cable and communication is guaranteed. The device has stable performance, can realize unattended operation of the machine room, and is convenient to use and maintain.
Description
Technical Field
The utility model relates to an optic fibre alarm device that opens circuit belongs to a warning circuit patrols and examines.
Background
The coal mine which the inventor works in daily operation has the condition of network sudden interruption, and the communication disconnection is caused by the fact that the mainframe room cuts off the wide connection of the communication optical cable in the mine due to the operation of equipment through inspection and judgment. The processing scheme at the time is to switch the spare optical core, in accordance with the communication circuit design. But switching the spare core then finds that the spare core is also switched off.
Because the communication optical fiber is cut off, under the condition that the operator on duty does not pay attention to the communication optical fiber, the communication interruption occurs for a long time, and the potential safety hazard is large.
The inventor considers that if the standby cable is cut off and then can give an alarm, the potential safety hazard can not appear. The current common alarm mode is sound and light alarm to prompt the attention of workers. However, the mining equipment is numerous, and the audible and visual alarm is easy to be overlooked.
If can directly remind communication maintainer, just can accelerate the maintenance progress who damages the optic fibre.
Disclosure of Invention
The invention provides an optical fiber broken circuit alarm device, which solves the problem of how to directly inform maintenance personnel of alarm after optical fiber is cut off.
In order to achieve the purpose, the invention adopts the technical scheme that:
the optical fiber open circuit alarm device comprises an SFQ optical fiber transceiver, two groups of triodes, two groups of relays and normally closed contact switches corresponding to the relays, wherein an electrical signal loop of the SFQ optical fiber transceiver is connected with D1Luminous tube, D1The luminous tube emits light D2Light receiving tube receiving D1The luminous tube emitting a light signal D2The positive electrode of the light receiving tube is connected to a 12V direct current positive electrode D2The positive electrodes of the light receiving tubes are respectively connected with a triode Q1And a triode Q2The b pole of (2), the triode Q1And a triode Q2The C pole of the triode is connected with a 12V direct current positive pole and a triode Q1E pole access relay J1The anode of the triode Q2 is connected with the e pole of the relay J2Positive electrode of (2), relay J1And relay J2The negative pole is connected with 12V direct currentNegative pole, relay J2Is provided with a normally closed contact switch J2-1, normally closed contact switch J2-1 telephone jack spring, relay J in series with telephone1The normally closed contact delay switch is arranged, and the normally open electric shock delay switch is connected with the telephone redialing key in parallel.
Preferably, the device is also provided with an audible and visual alarm and a control panel IC of the audible and visual alarm2The positive and negative poles are connected with a direct current circuit, and the switch of the audible and visual alarm is connected with a relay J2Normally closed contact switch J2-2。
Preferably, D is2Positive electrode parallel resistor R of light receiving tube2And a resistance R3Then respectively connected into the triodes Q2And a triode Q1B pole of (1), resistance R3And a triode Q1B pole of the capacitor C1。
Preferably, the audible and visual alarm is provided with a voltage reduction module IC1Control panel IC for converting 12V direct current into 3V direct current and audible and visual alarm2Connecting voltage-reducing module IC1The output of the power supply is 3V direct current.
Preferably, the electrical signal loop and D of the SFQ optical fiber transceiver1The light-emitting tube is also connected in series with a resistor R1.
Preferably, the resistance R1Is 47 ohm, resistance R2Is 680 ohm, R3680 ohm, capacitance C1Is 10UF, triode Q1Type 2N5551 triode Q2The model number is 2N 5551.
After the device is used, the standby optical core is disconnected or the machine room is powered off, the preset telephone number can be automatically dialed to inform maintenance personnel, the maintenance progress is made as soon as possible, and the normal state of the standby optical cable and communication is guaranteed. The device has stable performance, can realize unattended operation of the machine room, and is convenient to use and maintain.
Drawings
Figure 1 is a circuit structure diagram of the present invention,
reference numerals:
1. SFQ optical fiber transceiver, 2, triode Q13, triode Q2，4、D1Luminous tube, 5D2Light receiving tube6, Relay J17, Relay J28 normally closed contact delay switch, 9 normally closed contact switch J2-1, 10, normally closed contact switch J 22, 11, audible and visual alarm, 12 and control panel IC 213, step-down module IC 114, capacitance C 115, resistance R 116, resistance R 217, resistance R 318, telephone set.
Detailed Description
The following further illustrates the specific structure of the present invention:
the utility model discloses optical fiber alarm device that opens circuit, the structure is shown in figure 1, including the normally closed contact switch that SFQ optical fiber transceiver 1, two sets of triodes, two sets of relays and relay correspond, SFQ optical fiber transceiver 1's signal of telecommunication return circuit inserts D1Luminous tubes 4, D1The luminous tube 4 emits light D2 Light receiving tube 5 receiving D1The light-emitting tube 4 emits a light signal, D2The positive electrode of the light receiving tube 5 is connected to a 12V direct current positive electrode D2 The anodes of the light receiving tubes 5 are respectively connected with a triode Q12 and b-pole of transistor Q2, transistor Q1And a triode Q2The C pole of the triode is connected with a 12V direct current positive pole and a triode Q1E pole access relay J1Anode of (2), triode Q2E pole access relay J2Positive electrode of (2), relay J1And relay J2The negative electrode is connected with a 12V direct current negative electrode and a relay J2Is provided with a normally closed contact switch J2-1, normally closed contact switch J2-1 telephone jack spring, relay J in series with telephone1A normally closed contact delay switch 8 is arranged, and a normally open electric shock delay switch is connected with a telephone redialing key in parallel. Control panel IC of acousto-optic alarm 112The positive and negative poles are connected with a direct current circuit, and the switch of the audible and visual alarm 11 is connected with a relay J2Normally closed contact switch J2-2。
D2The positive electrode of the light receiving tube (5) is connected with a resistor R in parallel2And a resistance R3Then respectively connected into the triodes Q2And a triode Q1B pole of (1), resistance R3And a triode Q1B pole of the capacitor C1. Electrical signal loop and D of SFQ optical fiber transceiver 11The luminous tube 4 is also connected with a resistor R in series1。
The audible and visual alarm 11 is provided with a voltage reduction module IC1Converting 12V DC to 3V DC, and control panel IC of audible and visual alarm 112Connecting voltage-reducing module IC1The output of the power supply is 3V direct current.
Each part type, SFQ is light receiving product plate, resistance R1Is 7 ohm, resistance R2680 ohm, resistance R3680 ohms, a capacitor C110UF, triode Q12N5551 triode Q22N 5551. Voltage reduction module IC1Step-down board and control board IC for changing 12V into 3V2The loudspeaker is a voice board, the loudspeaker is an 8-ohm 5-watt loudspeaker, IN + is a 12-volt power supply positive electrode, and IN is a power supply negative electrode.
The working principle is as follows:
the circuit is firstly transmitted to a receiver through an optical core by an optical fiber emitted by an opposite-end photoelectric converter of the SFQ optical fiber transceiver, the optical fiber and a communication optical cable are arranged side by side, and the SFQ optical fiber transceiver outputs high level D when receiving is normal1Luminous tube emitting light, D2The resistance of the light receiving tube decreases after receiving the light signal, and the light signal passes through the resistor R2And a resistance R3For the triode Q1And a triode Q2The base of the transistor provides a bias voltage to make the triode Q1And a triode Q2Saturated lead to relay J1And relay J2Providing a voltage of about 12V. Relay J1And relay J2When the power is on, the normally closed contact is normally opened, and the dialing, alarming and voice circuit does not work. When the optical core is broken, D1The luminescent tube does not emit light, D2The light receiving tube is in high resistance state, and the triode Q1And a triode Q2Non-working, relay J1And relay J2Electroless normally closed contact switch J2-2 closing the telephone jack inside the telephone, the telephone being able to transmit the dial tone, J1Through C1After delay, the redialing key is connected, the telephone starts to dial preset telephone number, and another path J2-1 go to the voice alarm circuit. The purposes of power failure, optical core disconnection, dialing and alarming are achieved.
Claims (6)
1. The optical fiber open circuit alarm device is characterized by comprising an SFQ optical fiber transceiver (1), two groups of triodes, two groups of relays and normally closed contact switches corresponding to the relays, wherein an electrical signal loop of the SFQ optical fiber transceiver (1) is connected with D1Luminous tubes (4, D)1The luminous tube (4) emits light D2A light receiving tube (5) receives D1The light emitting tube (4) emits light signals D2The positive electrode of the light receiving tube (5) is connected with a 12V direct current positive electrode D2 The anodes of the light receiving tubes (5) are respectively connected with a triode Q1(2) And a triode Q2(3) The b pole of (2), the triode Q1(2) And a triode Q2(3) The C pole of the triode is connected with a 12V direct current positive pole and a triode Q1(2) E pole access relay J1(6) Anode of (2), triode Q2(3) E pole access relay J2(7) Positive electrode of (2), relay J1(6) And relay J2(7) The negative electrode is connected with a 12V direct current negative electrode and a relay J2(7) Is provided with a normally closed contact switch J2-1 (9), normally closed contact switch J2-1 (9) telephone jack spring, relay J in series telephone1(6) A normally closed contact delay switch (8) is arranged, and the normally open electric shock delay switch is connected with a telephone redialing key in parallel.
2. The optical fiber breakage alarm device according to claim 1, wherein an audible and visual alarm (11) is further provided, and a control board IC of the audible and visual alarm (11)2(12) The positive and negative poles are connected with a direct current circuit, and the switch of the audible and visual alarm (11) is connected with a relay J2(7) Normally closed contact switch J2-2（10）。
3. The fiber optic break alarm device of claim 1, wherein D2The positive electrode of the light receiving tube (5) is connected with a resistor R in parallel2And a resistance R3Then respectively connected into the triodes Q2(3) And a triode Q1(2) B pole of (1), resistance R3And a triode Q1（2）B pole of the capacitor C1。
4. An optical fiber breakage alarm device according to claim 1, wherein the audible and visual alarm (11) is provided with a voltage-reducing module IC1(13) A control panel IC for converting 12V direct current into 3V direct current and an audible and visual alarm (11)2(12) Connecting voltage-reducing module IC1(13) The output of the power supply is 3V direct current.
5. Optical fiber disconnection warning device according to claim 1, wherein the electrical signal loop and D of the SFQ optical fiber transceiver (1)1The luminotron (4) is also connected with a resistor R in series1。
6. The fiber optic break warning device of any of claims 1, 2, 3 or 5, wherein a resistor R1Is 47 ohm, resistance R2Is 680 ohm, R3680 ohm, capacitance C1Is 10UF, triode Q1(2) Type 2N5551 triode Q2(3) The model number is 2N 5551.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438209.XU CN213303259U (en) | 2020-10-28 | 2020-10-28 | Optical fiber broken circuit alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438209.XU CN213303259U (en) | 2020-10-28 | 2020-10-28 | Optical fiber broken circuit alarm device |
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| Publication Number | Publication Date |
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| CN213303259U true CN213303259U (en) | 2021-05-28 |
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| CN202022438209.XU Active CN213303259U (en) | 2020-10-28 | 2020-10-28 | Optical fiber broken circuit alarm device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114648862A (en) * | 2021-12-20 | 2022-06-21 | 中国联合网络通信集团有限公司 | Overhead optical cable early warning processing method, device, equipment and storage medium |
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2020
- 2020-10-28 CN CN202022438209.XU patent/CN213303259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114648862A (en) * | 2021-12-20 | 2022-06-21 | 中国联合网络通信集团有限公司 | Overhead optical cable early warning processing method, device, equipment and storage medium |
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