Industrial signal wireless communication device based on single-chip microcomputer

Abstract

The utility model provides an industrial signal wireless communication device based on a single-chip microcomputer, which relates to the technical field of communication equipment and comprises a host device and a slave device. The host device comprises a signal input module, a signal processing module and a signal transmitting module, the slave device comprises a signal receiving module, a received signal processing module and a signal converting and transmitting module, and the signal input module is provided with a signal input circuit. The signal input circuit comprises a first single-chip microcomputer, a first photoelectric coupler, a second photoelectric coupler and a third photoelectric coupler. A first port of the first single-chip microcomputer is connected with a third port of a first photoelectric coupler, a first port of the first photoelectric coupler is connected with a first resistor, and a second port of the first photoelectric coupler is connected with a first diode. A third port of the first single-chip microcomputer is connected with a third port of the second photoelectric coupler, and a first port of the second photoelectric coupler is connected with the second resistor. The utility model has the characteristics of low loss, low cost and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of communication equipment, in particular to a single-chip-based industrial signal wireless communication device. Background Art

[0002] With the continuous advancement of industrial automation, industrial signal processing has become an indispensable technology in modern industrial control systems, enabling data exchange and control signal transmission between industrial equipment. In typical industrial control systems, digital signals are discrete signals that require transmission via digital signal cables. Digital signal transmission methods primarily include RS232, RS485, and Ethernet, and signal communication link types include twisted pair, coaxial cable, fiber optic, wireless, and microwave. However, in complex worksites, the use of wired signal transmission methods such as twisted pair, coaxial cable, and fiber optic leads to high cable loss, difficulty in maintenance, and high costs, hindering stable production.

[0003] Therefore, there is an urgent need for a single-chip industrial signal wireless communication device to solve the problems of high signal transmission cable loss rate, difficult maintenance and high cost. Utility Model Content

[0004] The utility model provides an industrial signal wireless communication device based on a single chip microcomputer, which solves the problems of high loss rate of existing signal transmission cables, great maintenance difficulty and high cost.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A single chip microcomputer-based industrial signal wireless communication device includes a host device and a slave device;

[0007] The host device includes a signal input module, a signal processing module and a signal transmitting module, and the slave device includes a signal receiving module, a received signal processing module and a signal conversion and sending module.

[0008] Furthermore, the signal input module has a signal input circuit, which includes a first single-chip microcomputer, a first photoelectric coupler, a second photoelectric coupler, and a third photoelectric coupler; port 1 of the first single-chip microcomputer is connected to port 3 of the first photoelectric coupler, port 1 of the first photoelectric coupler is connected to a first resistor, and port 2 of the first photoelectric coupler is connected to a first diode;

[0009] Port 3 of the first single-chip microcomputer is connected to port 3 of the second photoelectric coupler, port 1 of the second photoelectric coupler is connected to a second resistor, and port 2 of the second photoelectric coupler is connected to a second diode;

[0010] Port 5 of the first single chip microcomputer is connected to port 3 of the third photoelectric coupler, port 1 of the third photoelectric coupler is connected to a third resistor, and port 2 of the third photoelectric coupler is connected to a third diode.

[0011] Furthermore, the signal receiving module has a signal output circuit, and the signal output circuit includes a fourth photoelectric coupler, a fifth photoelectric coupler, a sixth photoelectric coupler, a first transistor, a second transistor and a third transistor;

[0012] Port 1 of the fourth photocoupler is connected to the second single-chip microcomputer, port 2 of the fourth photocoupler is connected to a fourth diode, port 4 of the fourth photocoupler is connected to the C-pole port of the first transistor, port 3 of the fourth photocoupler is connected to the B-pole port of the first transistor, and port E of the first transistor is connected to a seventh diode;

[0013] Port 1 of the fifth photocoupler is connected to the second single-chip microcomputer, port 2 of the fifth photocoupler is connected to a fifth diode, port 4 of the fifth photocoupler is connected to the C-pole port of the second transistor, port 3 of the fifth photocoupler is connected to the B-pole port of the second transistor, and port E of the second transistor is connected to an eighth diode;

[0014] Port 1 of the sixth photocoupler is connected to the second single-chip microcomputer, port 2 of the sixth photocoupler is connected to the sixth diode, port 4 of the sixth photocoupler is connected to the C-pole port of the third transistor, port 3 of the sixth photocoupler is connected to the B-pole port of the third transistor, and the E-pole port of the third transistor is connected to the ninth diode.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0016] The utility model has the advantages of simple structure, easy arrangement of the system communication in sites with complex working conditions, effective reduction of communication failures, ensuring stable and safe operation of equipment, and easy inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the principle of the host signal transmission circuit in this utility model;

[0018] Figure 2 This is a schematic diagram of the principle of the slave signal receiving circuit in the present utility model. DETAILED DESCRIPTION

[0019] The present invention will be described in detail below with reference to the accompanying drawings.

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] This embodiment provides a single chip based industrial signal wireless communication device, such as Figure 1-2 As shown, it includes a master device and a slave device;

[0022] The host device includes a signal input module, a signal processing module and a signal transmitting module, and the slave device includes a signal receiving module, a received signal processing module and a signal conversion and sending module.

[0023] The utility model has the advantages of simple structure, easy arrangement of the system communication in sites with complex working conditions, effective reduction of communication failures, ensuring stable and safe operation of equipment, and easy inspection and maintenance.

[0024] The above embodiment is further optimized, and the signal input module has a signal input circuit, which includes a first single-chip microcomputer, a first photocoupler U_IN1, a second photocoupler U_IN2, and a third photocoupler U_IN3; port 1 of the first single-chip microcomputer is connected to port 3 of the first photocoupler U_IN1, port 1 of the first photocoupler U_IN1 is connected to a first resistor R10, and port 2 of the first photocoupler U_IN1 is connected to a first diode P10;

[0025] Port 3 of the first single-chip microcomputer is connected to port 3 of the second photocoupler U_IN2, port 1 of the second photocoupler U_IN2 is connected to a second resistor R11, and port 2 of the second photocoupler U_IN2 is connected to a second diode P11;

[0026] Port 5 of the first single chip microcomputer is connected to port 3 of the third photocoupler U_IN3, port 1 of the third photocoupler U_IN3 is connected to a third resistor R12, and port 2 of the third photocoupler U_IN3 is connected to a third diode P12.

[0027] Further optimizing the above embodiment, the signal receiving module has a signal output circuit, which includes a fourth photocoupler U_Q1, a fifth photocoupler U_Q2, a sixth photocoupler U_Q3, a first transistor Q1, a second transistor Q2 and a third transistor Q3;

[0028] Port 1 of the fourth photocoupler U_Q1 is connected to the second single-chip microcomputer, port 2 of the fourth photocoupler U_Q1 is connected to a fourth diode D30, port 4 of the fourth photocoupler U_Q1 is connected to the C-pole port of the first transistor Q1, port 3 of the fourth photocoupler U_Q1 is connected to the B-pole port of the first transistor Q1, and port E of the first transistor Q1 is connected to a seventh diode D10;

[0029] Port 1 of the fifth photocoupler U_Q2 is connected to the second single-chip microcomputer, port 2 of the fifth photocoupler U_Q2 is connected to a fifth diode D31, port 4 of the fifth photocoupler U_Q2 is connected to the C-pole port of the second transistor Q2, port 3 of the fifth photocoupler U_Q2 is connected to the B-pole port of the second transistor Q2, and port E of the second transistor Q2 is connected to an eighth diode D11;

[0030] Port 1 of the sixth photocoupler U_Q3 is connected to the second single-chip microcomputer, port 2 of the sixth photocoupler U_Q3 is connected to the sixth diode D32, port 4 of the sixth photocoupler U_Q3 is connected to the C-pole port of the third transistor Q3, port 3 of the sixth photocoupler U_Q3 is connected to the B-pole port of the third transistor Q3, and the E-pole port of the third transistor Q3 is connected to the ninth diode D12.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A single chip microcomputer based industrial signal wireless communication device, characterized in that: including a master device and a slave device; The host device includes a signal input module, a signal processing module and a signal transmitting module, and the slave device includes a signal receiving module, a received signal processing module and a signal conversion and sending module; The signal input module has a signal input circuit, which includes a first single-chip microcomputer, a first photoelectric coupler, a second photoelectric coupler, and a third photoelectric coupler; port 1 of the first single-chip microcomputer is connected to port 3 of the first photoelectric coupler, port 1 of the first photoelectric coupler is connected to a first resistor, and port 2 of the first photoelectric coupler is connected to a first diode; Port 3 of the first single-chip microcomputer is connected to port 3 of the second photoelectric coupler, port 1 of the second photoelectric coupler is connected to a second resistor, and port 2 of the second photoelectric coupler is connected to a second diode; Port 5 of the first single-chip microcomputer is connected to port 3 of the third photoelectric coupler, port 1 of the third photoelectric coupler is connected to a third resistor, and port 2 of the third photoelectric coupler is connected to a third diode; The signal receiving module has a signal output circuit, and the signal output circuit includes a fourth photoelectric coupler, a fifth photoelectric coupler, a sixth photoelectric coupler, a first transistor, a second transistor and a third transistor; Port 1 of the fourth photocoupler is connected to the second single-chip microcomputer, port 2 of the fourth photocoupler is connected to a fourth diode, port 4 of the fourth photocoupler is connected to the C-pole port of the first transistor, port 3 of the fourth photocoupler is connected to the B-pole port of the first transistor, and port E of the first transistor is connected to a seventh diode; Port 1 of the fifth photocoupler is connected to the second single-chip microcomputer, port 2 of the fifth photocoupler is connected to a fifth diode, port 4 of the fifth photocoupler is connected to the C-pole port of the second transistor, port 3 of the fifth photocoupler is connected to the B-pole port of the second transistor, and port E of the second transistor is connected to an eighth diode; Port 1 of the sixth photocoupler is connected to the second single-chip microcomputer, port 2 of the sixth photocoupler is connected to the sixth diode, port 4 of the sixth photocoupler is connected to the C-pole port of the third transistor, port 3 of the sixth photocoupler is connected to the B-pole port of the third transistor, and the E-pole port of the third transistor is connected to the ninth diode.

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