Positive and negative electric pulse generating device for secure information transmission system between optical communication stations

Abstract

The present invention relates to a positive and negative electric pulse generating device for a secure information transmission system between optical communication stations, comprising a first power supply module, a second power supply module, a switch, a first light-emitting diode and a second light-emitting diode. The positive pole of the output end of the first power supply module is connected to the negative pole of the first group of input ends of the switch, and the negative pole is connected to the positive pole of the first group of input ends of the switch. The positive pole of the second power supply module is connected to the positive pole of the second group of input ends of the switch, and the negative pole is connected to the negative pole of the second group of input ends of the switch. The output end of the switch is connected to the secure information transmission system to be tested between optical communication stations. The positive pole of the first light-emitting diode is connected to the negative pole of the output end of the switch, and the negative pole is connected to the positive pole of the output end of the switch. The positive pole of the second light-emitting diode is connected to the positive pole of the output end of the switch, and the negative pole is connected to the negative pole of the output end of the switch. Compared with the prior art, the present invention is stable, reliable and convenient to operate.

Description

Technical Field

[0001] The present invention relates to a test device for a secure information transmission system, and more particularly to a positive and negative electrical pulse generating device for a secure information transmission system between optical communication stations. Background Art

[0002] The secure information transmission system between optical communication stations is a device for transmitting station relay information between stations through optical fiber communication. The device converts the relay signals in the 64D relay rack of the local station into digital signals, transmits them to the adjacent station through the optical fiber channel, and at the same time, the local station receives the digital signals sent by the adjacent station through optical fiber communication and converts the digital signals into relay signals for the 64D relay rack.

[0003] In order to test or debug the secure information transmission system between optical communication stations before leaving the factory, in the existing system, a relay rack identical to that in the field of the signal section is used to simulate the relay signals. This simulation system has a complex circuit and a large volume, and is not convenient for testing or debugging the secure information transmission system between optical communication stations. Summary of the Invention

[0004] The purpose of the present invention is to provide a positive and negative electrical pulse generating device for a secure information transmission system between optical communication stations, which realizes three relay states required by the secure information transmission system between optical communication stations by toggling a switch; it is stable, reliable and easy to operate.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] A positive and negative electrical pulse generating device for a secure information transmission system between optical communication stations includes 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. The positive pole of the output end of the first power supply module is connected to the negative pole of the first group of input ends of the double-pole double-throw switch, and the negative pole is connected to the positive pole of the 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 the second group of input ends of the double-pole double-throw switch, and the negative pole is connected to the negative pole 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 to-be-tested secure information transmission system between optical communication stations. 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 is connected to the positive pole of the output end of the double-pole double-throw switch. The positive pole of the second light-emitting diode is connected to the positive pole of the output end of the double-pole double-throw switch, and the negative pole is connected to the negative pole of the output end of the double-pole double-throw switch.

[0007] The device further includes a first filtering module, which is arranged at the output end of the first power supply module.

[0008] The first filtering module includes a filtering capacitor.

[0009] The device further includes a second filtering module, which is arranged at the output end of the second power module.

[0010] The second filtering module includes a filtering capacitor.

[0011] The device further includes a current-limiting resistor, which is arranged between the second light-emitting diode and the double-pole double-throw switch.

[0012] The device further includes a current-limiting resistor, which is arranged between the first light-emitting diode and the double-pole double-throw switch.

[0013] The first power module and the second power module are AC-DC modules.

[0014] The first light-emitting diode and the second light-emitting diode have different colors.

[0015] The first light-emitting diode and the second light-emitting diode are encapsulated as a two-color lamp.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1) Through two power modules that output direct current, a double-pole double-throw switch, and two light-emitting diodes, the test of the secure information transmission system between optical communication stations can be completed. When the switch is in the middle position, if there is no signal input at the output pins of the double-pole double-throw switch or a power-off signal from the adjacent station is received, both light-emitting diodes are in the off state. If a positive power signal from the adjacent station is received, the second light-emitting diode lights up and the first light-emitting diode goes out. If a negative power signal from the adjacent station is received, the first light-emitting diode lights up and the second light-emitting diode goes out. When the switch is toggled to the second side, the second group of input terminals is conducted, and at this time the output is a positive voltage, and the second light-emitting diode lights up and the first light-emitting diode goes out. When the switch is toggled to the first side, the first group of input terminals is conducted, and at this time the output is a negative voltage, and the first light-emitting diode lights up and the second light-emitting diode goes out. By toggling the switch, the 3 relay states required for the secure information transmission system between optical communication stations are achieved; it is stable and reliable, and easy to operate.

[0018] 2) The first power module and the second power module are AC-DC modules, which can be connected to the mains power, reducing costs during continuous operation.

[0019] 3) The first light-emitting diode and the second light-emitting diode have different colors, which is convenient for identification. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and gives the detailed implementation manner and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0022] A positive and negative electric pulse generating device for a secure information transmission system between optical communication stations, as Figure 1 shown, includes a first power supply module U1 and a second power supply module U1, a double-pole double-throw switch S1, a first light-emitting diode and a second light-emitting diode. The positive pole of the output end of the first power supply module U1 is connected to the negative pole of the first group of input ends of the double-pole double-throw switch S1, and the negative pole is connected to the positive pole of the first group of input ends of the double-pole double-throw switch S1. The positive pole of the second power supply module U1 is connected to the positive pole of the second group of input ends of the double-pole double-throw switch S1, and the negative pole is connected to the negative pole 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 L+ and L- respectively, which are connected to the to-be-tested secure information transmission system between optical communication stations. 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 S1, and the negative pole is connected to the positive pole of the output end of the double-pole double-throw switch S1. The positive pole of the second light-emitting diode is connected to the positive pole of the output end of the double-pole double-throw switch S1, and the negative pole is connected to the negative pole of the output end of the double-pole double-throw switch S1.

[0023] Through two power supply modules that output direct current, a double-pole double-throw switch S1, and two light-emitting diodes, the test of the secure information transmission system between optical communication stations can be completed. When the switch is in the middle position, if there is no signal input at the output pins of the double-pole double-throw switch S1 or a no-power signal from the adjacent station is received, both light-emitting diodes are in the off state. If a positive electric signal from the adjacent station is received, the second light-emitting diode lights up and the first light-emitting diode goes out. If a negative electric signal from the adjacent station is received, the first light-emitting diode lights up and the second light-emitting diode goes out. When the switch is toggled to the second side, the second group of input ends is conducted, and at this time the output is a positive voltage, and the second light-emitting diode lights up and the first light-emitting diode goes out. When the switch is toggled to the first side, the first group of input ends is conducted, and at this time the output is a negative voltage, and the first light-emitting diode lights up and the second light-emitting diode goes out. By toggling the switch, the 3 relay states required for the secure information transmission system between optical communication stations are achieved; it is stable and reliable, and easy to operate.

[0024] In some embodiments, the device further includes a first filtering module and a second filtering module. The first filtering module is disposed at the output end of the first power supply module U1, and the second filtering module is disposed at the output end of the second power supply module U1. Generally, both the first filtering module and the second filtering module are composed of two filtering capacitors.

[0025] In some embodiments, the device further includes a current-limiting resistor R1 for protecting the light-emitting diode. In one embodiment, the current-limiting resistor R1 is disposed between the second light-emitting diode and the double-pole double-throw switch S1. In another embodiment, the current-limiting resistor R1 is disposed between the first light-emitting diode and the double-pole double-throw switch S1.

[0026] In some embodiments, the first power module U1 and the second power module U1 are AC-DC modules, which can be connected to the mains power to reduce costs during continuous operation.

[0027] In some embodiments, the first light-emitting diode and the second light-emitting diode have different colors. 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 encapsulated as a two-color light, specifically Figure 1 In HL1, AC_N, AC_L, and FN are connected to 220V AC power, and L+ and L- are connected to the secure information transmission system between optical communication stations. When the switch S1 is in the middle position, if there is no signal input to L+ and L- or a power-off signal from the adjacent station is received, HL1 is in the off state. If a positive power signal from the adjacent station is received by L+ and L-, HL1 lights up red. If a negative power signal from the adjacent station is received by L+ and L-, HL1 lights up green. When the switch S1 is in the upper position, L+ is connected to the positive pole of the output of U2, and L- is connected to the negative pole of the output of U2. At this time, the output is a positive voltage, and HL1 lights up red. When the switch S1 is in the lower position, L+ is connected to the negative pole of the output of U1, and L- is connected to the positive pole of the output of U1. At this time, the output is a negative voltage, and HL1 lights up green.

Claims

1. A positive and negative electric pulse generating device for a secure information transmission system between optical communication stations, characterized in that, It includes 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. The positive pole of the output terminal of the first power module is connected to the negative pole of the first group of input terminals of the double-pole double-throw switch, and the negative pole is connected to the positive pole of the first group of input terminals of the double-pole double-throw switch. The positive pole of the second power module is connected to the positive pole of the second group of input terminals of the double-pole double-throw switch, and the negative pole is connected to the negative pole of the second group of input terminals of the double-pole double-throw switch. The output terminal of the double-pole double-throw switch is connected to the optical communication station-to-station safety information transmission system to be measured. The positive pole of the first light-emitting diode is connected to the negative pole of the output terminal of the double-pole double-throw switch, and the negative pole is connected to the negative pole of the second light-emitting diode. The positive pole of the second light-emitting diode is connected to the positive pole of the output terminal of the double-pole double-throw switch; The device further includes a first filtering module, and this first filtering module is arranged at the output terminal of the first power module; The device further includes a second filtering module, and this second filtering module is arranged at the output terminal of the second power module.

2. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The first filtering module includes a filtering capacitor.

3. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The second filtering module includes a filtering capacitor.

4. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The device further includes a current-limiting resistor, and this current-limiting resistor is arranged between the second light-emitting diode and the double-pole double-throw switch.

5. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The device further includes a current-limiting resistor, and this current-limiting resistor is arranged between the first light-emitting diode and the double-pole double-throw switch.

6. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The first power module and the second power module are AC-DC modules.

7. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 1, characterized in that, The colors of the first light-emitting diode and the second light-emitting diode are different.

8. The positive and negative electric pulse generating device for the optical communication inter-station security information transmission system according to claim 7, characterized in that, The first light-emitting diode and the second light-emitting diode are encapsulated as a two-color lamp.

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