CN218387308U - Full-automatic pulse generation and display circuit for inter-station safety information transmission system - Google Patents
Full-automatic pulse generation and display circuit for inter-station safety information transmission system Download PDFInfo
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- CN218387308U CN218387308U CN202220712807.8U CN202220712807U CN218387308U CN 218387308 U CN218387308 U CN 218387308U CN 202220712807 U CN202220712807 U CN 202220712807U CN 218387308 U CN218387308 U CN 218387308U
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Abstract
The utility model relates to a full-automatic pulse production and display circuit for interstation safety information transmission system, include: the first power supply module and the second power supply module output direct current; a double pole double throw relay; a processor; the first power supply control circuit is connected with the output end of the first power supply module, the second input end is connected with the output end of the second power supply module, the positive electrode of the first output end is connected with the first normally closed end of the double-pole double-throw relay, the negative electrode of the first output end is connected with the first normally open end, the positive electrode of the second output end is connected with the second normally open end, and the negative electrode of the second output end is connected with the second normally closed end; and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay and is configured to be switched on or switched off according to the output of the output pin of the processor. Compared with the prior art, the utility model has the advantages of small, peripheral circuit is few.
Description
Technical Field
The utility model relates to an interstation safety information transmission system especially relates to a full-automatic pulse production and display circuit that is used for interstation safety information transmission system.
Background
The safety information transmission system between stations is equipment for realizing the transmission of relay information between stations through optical fibers or 2M communication, the equipment converts relay signals in a 64D relay rack of the station into digital signals and transmits the digital signals to an adjacent station through optical fibers or 2M channels, and meanwhile, the station receives the digital signals sent by the adjacent station through the optical fibers or the 2M communication and converts the digital signals into the relay signals to the 64D relay rack. In order to test or debug the safety information transmission system between 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 stations.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-automatic pulse generation and display circuit that is used for interstation safety information transmission system.
The purpose of the utility model can be realized through the following technical scheme:
a fully automatic pulse generation and display circuit for an inter-station safety information transmission system, comprising:
a first power supply module and a second power supply module configured to output a direct current;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with the output end of the first power supply module, the second input end is connected with the output end of the second power supply module, the positive electrode of the first output end is connected with the first normally closed end of the double-pole double-throw relay, the negative electrode of the first output end is connected with the first normally open end of the double-pole double-throw relay, the positive electrode of the second output end is connected with the second normally open end of the double-pole double-throw relay, and the negative electrode of the second output end is connected with the second normally closed end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay and is configured to be switched on or switched off according to the output of the output pin of the processor.
The processor at least comprises two output pins, wherein one output pin is connected to the control signal output end of the first power supply control circuit, and the other output pin is connected to the control signal output end of the second power supply control circuit.
The first power control circuit is configured to turn on or off according to an output of a corresponding output pin of the processor.
The circuit comprises an input port and two output ports, the input ends of the first power supply module and the second power supply module are connected to the input port, and two public ends of the double-pole double-throw relay are connected to the two output ports.
One of the output ports serves as a circuit output, and the other output port is connected to a display device.
The display device includes an LED lamp.
The output of the first power supply module and the output of the second power supply module are both 24V direct current.
The input of the first power supply module and the second power supply module is 220V alternating current.
The processor is a programmable controller.
A fully automatic pulse generation and display circuit for an inter-station safety information transmission system, comprising:
a first power supply module and a second power supply module configured to output a direct current;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with the output end of the first power supply module, the second input end is connected with the output end of the second power supply module, the positive electrode of the first output end is connected to the first normally-open end of the double-pole double-throw relay, the negative electrode of the first output end is connected to the first normally-closed end of the double-pole double-throw relay, the positive electrode of the second output end is connected to the second normally-closed end of the double-pole double-throw relay, and the negative electrode of the second output end is connected to the second normally-open end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay and is configured to be switched on or switched off according to the output pin of the processor.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the output of three states of positive electricity, negative electricity and no signal is realized only based on two power supply control circuits, a relay, a processor and two power supply modules, the size is small, the circuits are simple, the number of peripheral circuits is small, and the cost is low.
2. The output power is large, and the output voltage is stable.
3. The output control of two output pins of the processor can be realized through a programming mode, the positive and negative electricity output is automatically switched, and the operation is convenient and fast.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
wherein: 1. the power supply comprises a first power supply module, a second power supply module, a first power supply control circuit, a second power supply control circuit, a processor, an input interface, an output interface and a double-pole double-throw relay, wherein the first power supply module is 2, the second power supply module is 3, the first power supply control circuit is 4, the second power supply control circuit is 5, the processor is 6, the input interface is 7, the output interface is 8, the output interface is 9, and the double-pole double-throw relay is 9.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The embodiment of the present invention 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 fully automatic pulse generation and display circuit for an inter-station safety information transmission system, as shown in fig. 1, comprising:
the power supply comprises a first power supply module and a second power supply module which are configured to output direct current in a hardware circuit mode;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with a first group of input ends and a second group of input ends, the first group of input ends is connected with the output end of a first power supply module, the positive electrode of the first group of output ends is connected with the first normally closed end of the double-pole double-throw relay, the negative electrode of the first group of output ends is connected with the first normally open end of the double-pole double-throw relay, the positive electrode of the second group of output ends is connected with the second normally open end of the double-pole double-throw relay, and the negative electrode of the second group of output ends is connected with the second normally closed end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to a coil of the double-pole double-throw relay.
Of course, in other embodiments, the circuit configuration shown in fig. 2 may be adopted, including:
a first power supply module and a second power supply module configured to output a direct current;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with the output end of the first power supply module, the second input end is connected with the output end of the second power supply module, the positive electrode of the first output end is connected to the first normally-open end of the double-pole double-throw relay, the negative electrode of the first output end is connected to the first normally-closed end of the double-pole double-throw relay, the positive electrode of the second output end is connected to the second normally-closed end of the double-pole double-throw relay, and the negative electrode of the second output end is connected to the second normally-open end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay and is configured to be switched on or switched off according to the output pin of the processor.
In some embodiments, the processor comprises at least two output pins, wherein one output pin is connected to the control signal output terminal of the first power control circuit, and the other output pin is connected to the control signal output terminal of the second power control circuit. The first power control circuit may be configured in a triode or relay manner to be turned on or off according to an output of a corresponding output pin of the processor. No matter which structure of fig. 1 or fig. 2 is adopted, the output of three states of positive electricity, negative electricity and no signal is realized only based on two power supply control circuits, one relay, one processor and two power supply modules, and the output circuit is simple in circuit, few in peripheral circuits and low in cost under the volume.
In some embodiments, the circuit includes an input port to which the input terminals of the first and second power modules are connected and two output ports to which the two common terminals of the double pole, double throw relay are connected. One of the output ports serves as a circuit output, and the other output port is connected to a display device.
The display device comprises an LED lamp, and specifically, the display device is composed of a relay, the LED lamp and a resistor, and the on-off of the LED lamp is controlled through the on-off control of the relay
In this embodiment, the outputs of the first power module and the second power module are both 24V dc, and the inputs of the first power module and the second power module are 220V ac. The processor is a programmable controller.
According to the structure shown in the figure 1, on the side of an input port, an input power 220VAC is connected with a 2-way 220 VAC-to-24 VDC module, the 2-way 220 VAC-to-24 VDC module is connected with a first power supply control circuit module, the first power supply control circuit controls whether an output signal exists or not through IO1 of a CPU, and the output of the first power supply control circuit module is connected with normally open and normally closed nodes of a relay module. The output of the second 220 VAC-to-24 VDC module is simultaneously connected to a second power supply control circuit module, the second power supply control circuit module controls the existence of output signals through IO2 of a CPU, and the output of the second power supply control circuit module is connected to a coil of the double-pole double-throw relay. When the processor, namely IO1 of the CPU module is FALSE, the output of the whole device is in a non-power state; when IO1 of the CPU module is TRUE and IO2 of the CPU module is FALSE, the double-pole double-throw relay is in a normally closed state, and the output of the tool is positive; when IO1 of the CPU module is TRUE and IO2 of the CPU module is TRUE, the double-pole double-throw relay is in a normally open state, and the output of the tool is negative electricity; the output port 8 for connecting the display device is connected in parallel with the output end of the tool and can reflect the state of the output port 7. The automatic transformation of 3 relay states required by the inter-station safety information transmission system is realized through programming control of the CPU modules IO1 and IO 2.
Aiming at the structure shown in figure 2, the principle is similar to that of the structure shown in figure 1, and the difference is that when the double-pole double-throw relay is in a normally closed state, the output of the tool is negative electricity, and when the double-pole double-throw relay is in a normally open state, the output of the tool is positive electricity.
Claims (9)
1. A fully automatic pulse generation and display circuit for an inter-station safety information transmission system, comprising:
a first power supply module and a second power supply module configured to output a direct current;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with a first group of input ends and a second group of input ends, the first group of input ends is connected with the output end of a first power supply module, the positive electrode of the first group of output ends is connected with the first normally closed end of the double-pole double-throw relay, the negative electrode of the first group of output ends is connected with the first normally open end of the double-pole double-throw relay, the positive electrode of the second group of output ends is connected with the second normally open end of the double-pole double-throw relay, and the negative electrode of the second group of output ends is connected with the second normally closed end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay.
2. The full-automatic pulse generating and displaying circuit for the inter-station safety information transmission system according to claim 1, wherein the processor comprises at least two output pins, one of the output pins is connected to the control signal output terminal of the first power control circuit, and the other output pin is connected to the control signal output terminal of the second power control circuit.
3. The full-automatic pulse generating and displaying circuit for the inter-station safety information transmission system according to claim 1, wherein the circuit comprises an input port and two output ports, the input ends of the first power supply module and the second power supply module are connected to the input port, and the two common ends of the double-pole double-throw relay are connected to the two output ports.
4. A fully automatic pulse generation and display circuit for an inter-station safety information transmission system according to claim 3, wherein one of the output ports is used as a circuit output and the other output port is connected to a display device.
5. The full-automatic pulse generation and display circuit for the inter-station safety information transmission system according to claim 4, wherein the display device comprises an LED lamp.
6. The full-automatic pulse generating and displaying circuit for the inter-station safety information transmission system according to claim 1, wherein the outputs of the first power supply module and the second power supply module are both 24V direct current.
7. The full-automatic pulse generating and displaying circuit for the inter-station safety information transmission system according to claim 1, wherein the input of the first power supply module and the second power supply module is 220V alternating current.
8. The full-automatic pulse generating and displaying circuit for the inter-station safety information transmission system according to claim 1, wherein the processor is a programmable controller.
9. A fully automatic pulse generation and display circuit for an inter-station safety information transmission system, comprising:
a first power supply module and a second power supply module configured to output a direct current;
the double-pole double-throw relay comprises two groups of contacts, wherein the first group of contacts comprises a first normally closed end, a first normally open end and a first common end, and the second group of contacts comprises a second normally closed end, a second normally open end and a second common end;
a processor;
the first power supply control circuit is connected with the output end of the first power supply module, the second input end is connected with the output end of the second power supply module, the positive electrode of the first output end is connected to the first normally-open end of the double-pole double-throw relay, the negative electrode of the first output end is connected to the first normally-closed end of the double-pole double-throw relay, the positive electrode of the second output end is connected to the second normally-closed end of the double-pole double-throw relay, and the negative electrode of the second output end is connected to the second normally-open end of the double-pole double-throw relay;
and the control signal input end of the second power supply control circuit is connected to one output pin of the processor, the input end of the second power supply control circuit is connected to the output end of the second power supply module, and the output end of the second power supply control circuit is connected to the coil of the double-pole double-throw relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220712807.8U CN218387308U (en) | 2022-03-25 | 2022-03-25 | Full-automatic pulse generation and display circuit for inter-station safety information transmission system |
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| CN202220712807.8U CN218387308U (en) | 2022-03-25 | 2022-03-25 | Full-automatic pulse generation and display circuit for inter-station safety information transmission system |
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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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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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