CN215186752U - Positive and negative electric pulse generating device for safety information transmission system between optical communication stations - Google Patents
Positive and negative electric pulse generating device for safety information transmission system between optical communication stations Download PDFInfo
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- CN215186752U CN215186752U CN202121270071.5U CN202121270071U CN215186752U CN 215186752 U CN215186752 U CN 215186752U CN 202121270071 U CN202121270071 U CN 202121270071U CN 215186752 U CN215186752 U CN 215186752U
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Abstract
The utility model relates to a positive and negative electric pulse generating device for a safety information transmission system between optical communication stations, which comprises a first power module, a second power module and a switch, the output end of the switch is connected to a safety information transmission system between the optical communication stations to be tested, the anode of the first light-emitting diode is connected to the cathode of the output end of the switch, the cathode of the second light-emitting diode is connected to the anode of the input end of the second group of the switch, the cathode of the second light-emitting diode is connected to the anode of the output end of the switch, and the cathode of the second light-emitting diode is connected to the cathode of the output end of the switch. Compared with the prior art, the utility model discloses reliable and stable, convenient operation.
Description
Technical Field
The utility model relates to a safety information transmission system's testing arrangement especially relates to a positive negative electric pulse produces device that is used for safety information transmission system between optical communication station.
Background
The safety information transmission system between the optical communication stations is equipment for transmitting relay information of the stations through optical fiber communication between the stations, relay signals in 64D relay racks of the stations are converted into digital signals through the equipment, the digital signals are transmitted to adjacent stations through optical fiber channels, meanwhile, the stations receive the digital signals sent by the adjacent stations through the optical fiber communication, and the digital signals are converted into the relay signals and sent to the 64D relay racks.
In order to test or debug the safety information transmission system between the optical communication stations before leaving factory, a relay frame which is the same as the field of an electric service section is adopted in the conventional system to simulate a relay signal, and the simulation system has complex circuit and large volume and is inconvenient to test or debug the safety information transmission system between the optical communication stations.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positive and negative electric pulse generating device for a safety information transmission system between optical communication stations, which realizes 3 relay states required by the safety information transmission system between optical communication stations by shifting a switch; stable and reliable, and convenient operation.
The purpose of the utility model can be realized through the following technical scheme:
a positive and negative electric pulse generating device for a safety information transmission system between optical communication stations comprises a first power module, a second power module, a double-pole double-throw switch, a first light emitting diode and a second light emitting diode, wherein the positive electrode of the output end of the first power module is connected to the negative electrode of a first group of input ends of the double-pole double-throw switch, the negative electrode of the first power module is connected to the positive electrode of a first group of input ends of the double-pole double-throw switch, the positive electrode of the second power module is connected to the positive electrode of a second group of input ends of the double-pole double-throw switch, the negative electrode of the second power module is connected to the negative electrode of the second group of input ends of the double-pole double-throw switch, the output end of the double-pole double-throw switch is connected to the safety information transmission system between optical communication stations to be tested, the positive electrode of the first light emitting diode is connected to the negative electrode of the output end of the double-pole double-throw switch, the positive electrode of the second light emitting diode is connected to the positive electrode of the output end of the double-pole double-throw switch, the negative pole is connected to the negative pole of the output end of the double-pole double-throw switch.
The device also comprises a first filtering module which is arranged at the output end of the first power supply module.
The first filtering module comprises a filtering capacitor.
The device also comprises a second filtering module which is arranged at the output end of the second power supply module.
The second filtering module comprises a filtering capacitor.
The device also comprises a current-limiting resistor which is arranged between the second light-emitting diode and the double-pole double-throw switch.
The device also comprises a current-limiting resistor which is arranged between the first light-emitting diode and the double-pole double-throw switch.
The first power module and the second power module are AC-DC modules.
The first light emitting diode and the second light emitting diode are different in color.
The first light emitting diode and the second light emitting diode are packaged into a two-color lamp.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the test of a safety information transmission system between optical communication stations can be completed through two power modules outputting direct current, a double-pole double-throw switch and two light-emitting diodes, when the switch is arranged in the middle, if no signal is input into an output pin of the double-pole double-throw switch or no electricity signal of an adjacent station is received, the two light-emitting diodes are in a light-out state, if a positive electricity signal of the adjacent station is received, the second light-emitting diode is lightened, the first light-emitting diode is extinguished, if a negative electricity signal of the adjacent station is received, the first light-emitting diode is lightened, and when the switch is dialed at a second side, a second group of input ends are conducted, at the moment, the output is positive voltage, the second light-emitting diode is lightened, and the first light-emitting diode is extinguished; when the switch is arranged on the first side, the first group of input ends are conducted, the output is negative voltage, the first light-emitting diode is lightened, and the second light-emitting diode is extinguished; 3 relay states required by a safety information transmission system between optical communication stations are realized by toggling a switch; stable and reliable, and convenient operation.
2) The first power supply module and the second power supply module are AC-DC modules which can be connected with commercial power, thereby reducing the cost in uninterrupted operation.
3) The first light emitting diode and the second light emitting diode are different in color, and identification is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A positive and negative electric pulse generating device for an optical communication station safety information transmission system comprises a first power module U1, a second power module U1, a double-pole double-throw switch S1, a first light emitting diode and a second light emitting diode, as shown in figure 1, wherein the positive electrode of the output end of the first power module U1 is connected to the negative electrode of the first group of input ends of the double-pole double-throw switch S1, the negative electrode of the first group of input ends of the double-pole double-throw switch S1 is connected to the positive electrode of the first group of input ends of the double-pole double-throw switch S1, the positive electrode of the second power module U1 is connected to the positive electrode of the second group of input ends of the double-pole double-throw switch S1, the negative electrode of the double-pole double-throw switch S1 is connected to the negative electrode of the second group of input ends of the double-pole double-throw switch S1, the output ends of the double-pole double-throw switch S1 are respectively L + and L-, and are connected to the optical communication station safety information transmission system to be detected, the positive electrode of the first light emitting diode is connected to the negative electrode of the output end of the double-pole double-throw switch S1, the cathode is connected to the anode of the output terminal of the double-pole double-throw switch S1, the anode of the second light emitting diode is connected to the anode of the output terminal of the double-pole double-throw switch S1, and the cathode is connected to the cathode of the output terminal of the double-pole double-throw switch S1.
The test of a safety information transmission system between optical communication stations can be completed through two power supply modules outputting direct current, a double-pole double-throw switch S1 and two light-emitting diodes, when the switch is arranged in the middle, if no signal is input into an output pin of the double-pole double-throw switch S1 or no electric signal of an adjacent station is received, the two light-emitting diodes are in a light-out state, if a positive electric signal of the adjacent station is received, the second light-emitting diode is lightened, the first light-emitting diode is extinguished, if a negative electric signal of the adjacent station is received, the first light-emitting diode is lightened, when the switch is shifted to the second side, the input end of the second group is conducted, at the moment, the output is positive voltage, the second light-emitting diode is lightened, and the first light-emitting diode is extinguished; when the switch is arranged on the first side, the first group of input ends are conducted, the output is negative voltage, the first light-emitting diode is lightened, and the second light-emitting diode is extinguished; 3 relay states required by a safety information transmission system between optical communication stations are realized by toggling a switch; stable and reliable, and convenient operation.
In some embodiments, the apparatus further comprises a first filtering module provided at the output of the first power module U1 and a second filtering module provided at the output of the second power module U1. Generally, the first filtering module and the second filtering module are both composed of two filtering capacitors.
In some embodiments, the device further comprises a current limiting resistor R1 for protecting the leds, wherein in some embodiments, the current limiting resistor R1 is disposed between the second led and the double-pole double-throw switch S1, and in some other embodiments, the current limiting resistor R1 is disposed between the first led and the double-pole double-throw switch S1.
In some embodiments, the first power module U1 and the second power module U1 are AC-DC modules that can be connected to the mains to reduce the cost of uninterrupted operation.
In some embodiments, the first light emitting diode and the second light emitting diode are different in color, and the first light emitting diode is a green light and the second light emitting diode is a red light for easy identification. In some embodiments, the first light emitting diode and the second light emitting diode are packaged as two-color lamps, specifically HL1 in fig. 1, AC _ N, AC _ L, FN is connected to 220V AC, L +, L-connected optical communication station security information transmission system. When the switch S1 is turned to the middle position, HL1 is in a light-out state if L + and L-have no signal input or receive no electricity signal of the adjacent station, HL1 lights red if L + and L-receive positive electricity signal of the adjacent station, and HL1 lights green if L + and L-receive negative electricity signal of the adjacent station. When the switch S1 is turned to the upper side, L + is connected to the positive pole of the U2 output, L-is connected to the negative pole of the U2 output, the output is positive voltage at this time, and HL1 lights up in red. When the switch S1 is turned to the lower side, L + is connected to the negative pole of the U1 output, L-is connected to the positive pole of the U1 output, the output is negative voltage, and HL1 lights up in green.
Claims (10)
1. A positive and negative electric pulse generating device for an optical communication inter-station safety information transmission system is characterized by comprising a first power supply module, a second power supply module, a double-pole double-throw switch, a first light emitting diode and a second light emitting diode, wherein the positive pole of the output end of the first power supply module is connected to the negative pole of a first group of input ends of the double-pole double-throw switch, the negative pole of the output end of the first power supply module is connected to the positive pole of a first group of input ends of the double-pole double-throw switch, the positive pole of the second power supply module is connected to the positive pole of a second group of input ends of the double-pole double-throw switch, the negative pole of the second power supply module is connected to the negative pole of a second group of the double-pole double-throw switch, the output end of the double-pole double-throw switch is connected to the optical communication inter-station safety information transmission system to be tested, the positive pole of the first light emitting diode is connected to the negative pole of the output end of the double-pole double-throw switch, and the negative pole double-throw switch is connected to the positive pole of the output end of the double-pole double-throw switch, and the anode of the second light-emitting diode is connected to the anode of the output end of the double-pole double-throw switch, and the cathode of the second light-emitting diode is connected to the cathode of the output end of the double-pole double-throw switch.
2. The apparatus according to claim 1, further comprising a first filtering module provided at an output of the first power module.
3. The positive-negative electric pulse generating device for the safety information transmission system between optical communication stations as claimed in claim 2, wherein said first filtering module comprises a filtering capacitor.
4. The apparatus according to claim 1, further comprising a second filtering module provided at an output of the second power module.
5. The positive-negative electric pulse generating device for the safety information transmission system between optical communication stations as claimed in claim 4, wherein said second filtering module comprises a filtering capacitor.
6. The apparatus for generating positive and negative electric pulses for an optical communication station-to-station secure information transmission system according to claim 1, further comprising a current limiting resistor disposed between the second light emitting diode and the double-pole double-throw switch.
7. The apparatus for generating positive and negative electric pulses for an optical communication station-to-station security information transmission system according to claim 1, further comprising a current limiting resistor disposed between the first light emitting diode and the double-pole double-throw switch.
8. The positive-negative electric pulse generating apparatus for the safety information transmission system between optical communication stations as claimed in claim 1, wherein said first power supply module and said second power supply module are AC-DC modules.
9. A positive-negative electric pulse generating apparatus for an inter-station secure information transmission system of optical communication according to claim 1, wherein said first light emitting diode and said second light emitting diode are different in color.
10. The apparatus for generating positive and negative electric pulses for an inter-station secure information transmission system of claim 9, wherein said first and second light emitting diodes are packaged as a two-color lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270071.5U CN215186752U (en) | 2021-06-08 | 2021-06-08 | Positive and negative electric pulse generating device for safety information transmission system between optical communication stations |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121270071.5U CN215186752U (en) | 2021-06-08 | 2021-06-08 | Positive and negative electric pulse generating device for safety information transmission system between optical communication stations |
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| CN215186752U true CN215186752U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179141A1 (en) * | 2022-03-25 | 2023-09-28 | 上海铁路通信有限公司 | Fully-automatic pulse generation and display circuit for inter-station secure information transmission system |
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2021
- 2021-06-08 CN CN202121270071.5U patent/CN215186752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023179141A1 (en) * | 2022-03-25 | 2023-09-28 | 上海铁路通信有限公司 | Fully-automatic pulse generation and display circuit for inter-station secure information transmission system |
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