Electric control system

Abstract

The utility model relates to an electric control system, comprising a main power supply used for providing a power-on power supply for the electric control system; the input end of the switching power supply is connected with the main power supply, and the output end of the switching power supply is used for outputting 24V power supply; the PLC module is powered by a main power supply, and the PLC module is used for receiving a plurality of input signals and outputting a plurality of control signals; the I / O module is powered by the switching power supply, and a plurality of input ports and a plurality of output ports are arranged on the I / O module; the touch screen is powered by a switching power supply, and the touch screen is used for displaying data information. According to the electric control system provided by the utility model, by arranging a reasonable circuit control system, reasonable layout can be ensured under the condition that a plurality of input signals are ensured, stable input and output of the signals are ensured, the circuit design is reasonable, and the use is safe and effective.

Description

TECHNICAL FIELD

[0001] The utility model relates to the electric control technical field, especially is to point to an electric control system. BACKGROUND

[0002] In the use process of air treatment equipment, because its electric control system includes temperature, humidity, wind speed and a plurality of modules, this leads to the electric control cabinet in the design and installation process, the electric control part line is many and miscellaneous, needs to carry out the reasonable design of circuit.

[0003] In addition, in order to strain the various demands in market, it needs to reserve various standby interfaces in its electric control system, causes great resource and cost waste, if the situation of insufficient reserved port appears, then needs to plan new circuit board and various tests, can appear the situation such as unable to supply goods on time and greatly increase manual cost. UTILITY MODEL CONTENTS

[0004] Therefore, the technical problem to be solved by the utility model lies in overcoming the reasonable design of the electric control system of the air treatment equipment in the prior art to achieve the reasonable control of use and cost.

[0005] To solve the above technical problems, the utility model provides an electric control system, which comprises: a total power supply, which is used to provide power supply on the electric control system; a switching power supply, an input end of which is connected with the total power supply, and an output end of the switching power supply is used to output 24V power supply; a PLC module, which is powered by the total power supply, and the PLC module is used to receive a plurality of input signals, and the PLC module is used to output a plurality of control signals; an I / O module, which is powered by the switching power supply, and a plurality of input ports and a plurality of output ports are arranged on the I / O module; and a touch screen, which is powered by the switching power supply, and the touch screen is used to display data information.

[0006] In one embodiment of the utility model, a fuse one is connected on the main line of the total power supply, and a fuse two is connected on the output end of the switching power supply.

[0007] In one embodiment of the utility model, a socket one is arranged on the line between the fuse one and the total power supply.

[0008] In one embodiment of the utility model, a plurality of digital input ports are arranged on the input end of the PLC module, and a plurality of digital output ports are arranged on the output end of the PLC module.

[0009] In an embodiment of the utility model, the 24V power output end of switch power supply and digital quantity input port electric connection is established, and the 24V power output end of switch power supply and digital quantity output port between digital quantity input port is equipped with signal socket no.

[0010] In an embodiment of the utility model, signal socket no. 1 is 2 core, 4 core or 7 core socket, and signal socket no. 2 is 4 core socket.

[0011] In an embodiment of the utility model, the I / O module is equipped with a plurality of analog current input ports, a plurality of analog voltage input ports and a plurality of analog voltage output ports.

[0012] In an embodiment of the utility model, the 24V power output end of switch power supply and analog current input port electric connection is established, and the 24V power output end of switch power supply and analog current input port between analog current input port is equipped with signal socket no. 3.

[0013] In an embodiment of the utility model, the 24V power output end of switch power supply and analog voltage input port electric connection is established, and the 24V power output end of switch power supply and analog voltage input port between analog voltage input port is equipped with signal socket no. 4.

[0014] In an embodiment of the utility model, the 24V power output end of switch power supply and analog voltage output port electric connection is established, and the 24V power output end of switch power supply and analog voltage output port between analog voltage output port is equipped with signal socket no. 5.

[0015] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0016] The electric control system of the utility model, by setting reasonable circuit control system, can guarantee the stable input and output of signal under the condition of multiple input signals, and the circuit design is reasonable, safe and effective. ACCOUT OF DRAWINGS

[0017] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to the specific embodiment of the utility model and in conjunction with the drawings, wherein

[0018] Figure 1 The circuit of the electric control system in the preferred embodiment of the utility model Figure 1 ;

[0019] Figure 2 The circuit of the electric control system in the preferred embodiment of the utility modelFigure 2 ;

[0020] Figure 3 The circuit of the PLC module in the preferred embodiment of the utility model Figure 1 ;

[0021] Figure 4 The circuit of the PLC module in the preferred embodiment of the utility model Figure 2 ;

[0022] Figure 1 The circuit of the I / O module in the preferred embodiment of the utility model Figure 6 ;

[0023] Figure 2 The circuit of the I / O module in the preferred embodiment of the utility model Figure 7 ;

[0024] Figure 3 The circuit of the I / O module in the preferred embodiment of the utility model Figure 1 .

[0025] The description of the drawing of the utility model: the total power supply 1, the switching power supply 2, the PLC module 3, the I / O module 4, the touch screen 5, the fuse one 6, the fuse two 7, the socket one 8, the digital quantity input port 9, the digital quantity output port 10, the signal socket one 11, the signal socket two 12, the analog quantity current input port 13, the analog quantity voltage input port 14, the analog quantity voltage output port 15, the signal socket three 16, the signal socket four 17, the signal socket five 18. Specific implementation

[0026] The utility model will be further explained in combination with the drawing and specific embodiment, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0027] Refer to Figure 3 , 2 As shown in the utility model's electric control system, comprising: total power supply 1, switching power supply 2, PLC module 3, I / O module 4 and touch screen 5 several parts;Total power supply 1, it is used to provide the power supply on the electric control system, and total power supply 1 is 220V;Switching power supply 2, its input is connected with total power supply 1, and the output of switching power supply 2 is used to output 24V power supply;PLC module 3, it is powered by total power supply 1, and PLC module 3 is used to receive several input signals, and PLC module 3 is used to output several control signals;I / O module 4, it is powered by switching power supply 2, and I / O module 4 is equipped with several input ports and several output ports;Touch screen 5, it is powered by switching power supply 2, and the touch screen 5 is used to display data information.

[0028] In the above circuit, a fuse one 6 is connected to the main line of the total power supply 1, and a fuse two 7 is connected to the output end of the switching power supply 2. The fuse one 6 is connected to the line between the total power supply 1 and is provided with a socket one 8.

[0029] Referring to Figures 5-7 , 4 As shown in the figure, the input end of the PLC module 3 is provided with a plurality of digital quantity input ports 9, and the output end of the PLC module 3 is provided with a plurality of digital quantity output ports 10. The 24V power supply output end of the switching power supply 2 is electrically connected with the digital quantity input ports 9, and a signal socket one 11 is provided between the 24V power supply output end of the switching power supply 2 and the digital quantity input ports 9; the 24V power supply output end of the switching power supply 2 is electrically connected with the digital quantity output ports 10, and a signal socket two 12 is provided between the 24V power supply output end of the switching power supply 2 and the digital quantity output ports 10. The signal socket one 11 is a 2-core, 4-core or 7-core socket, and the signal socket two 12 is a 4-core socket.

[0030] Referring to ​ As shown in the figure, the I / O module 4 is provided with a plurality of analog quantity current input ports 13, a plurality of analog quantity voltage input ports 14 and a plurality of analog quantity voltage output ports 15. The 24V power supply output end of the switching power supply 2 is electrically connected with the analog quantity current input ports 13, and a signal socket three 16 is provided between the 24V power supply output end of the switching power supply 2 and the analog quantity current input ports 13. The 24V power supply output end of the switching power supply 2 is electrically connected with the analog quantity voltage input ports 14, and a signal socket four 17 is provided between the 24V power supply output end of the switching power supply 2 and the analog quantity voltage input ports 14. The 24V power supply output end of the switching power supply 2 is electrically connected with the analog quantity voltage output ports 15, and a signal socket five 18 is provided between the 24V power supply output end of the switching power supply 2 and the analog quantity voltage output ports 15. The signal socket three 16, the signal socket four 17 and the signal socket five 18 are all 4-core or 5-core sockets.

[0031] Obviously, the above embodiment is only an example for clearly illustrating, and is not a limitation to the implementation. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the implementations are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present utility model.

Claims

1. An electronic control system, characterized in that: include, Main power supply, which is used to provide power to the electronic control system; A switching power supply, wherein the input terminal is connected to the main power supply, and the output terminal of the switching power supply is used to output a 24V power supply; A PLC module is powered by a main power supply and is used to receive a plurality of input signals and output a plurality of control signals; An I / O module is powered by a switching power supply and is provided with a plurality of input ports and a plurality of output ports; The touch screen is powered by a switching power supply and is used to display data information.

2. The electronic control system according to claim 1, characterized in that: A first fuse is connected to the main line of the total power supply, and a second fuse is connected to the output end of the switching power supply.

3. The electronic control system according to claim 2, characterized in that: A circuit between the fuse 1 and the main power supply is provided with a socket 1.

4. The electronic control system according to claim 1, characterized in that: The input end of the PLC module is provided with a plurality of digital input ports, and the output end of the PLC module is provided with a plurality of digital output ports.

5. The electronic control system according to claim 4, characterized in that: The 24V power output end of the switching power supply is electrically connected to the digital input port, and a signal socket 1 is provided between the 24V power output end of the switching power supply and the digital input port; the 24V power output end of the switching power supply is electrically connected to the digital output port, and a signal socket 2 is provided between the 24V power output end of the switching power supply and the digital output port.

6. The electronic control system according to claim 5, characterized in that: The first signal socket is a 2-core, 4-core or 7-core socket, and the second signal socket is a 4-core socket.

7. The electronic control system according to claim 1, characterized in that: The I / O module is provided with a plurality of analog current input ports, a plurality of analog voltage input ports and a plurality of analog voltage output ports.

8. The electronic control system according to claim 7, characterized in that: The 24V power output terminal of the switching power supply is electrically connected to the analog current input port, and a signal socket three is provided between the 24V power output terminal of the switching power supply and the analog current input port.

9. The electronic control system according to claim 8, characterized in that: The 24V power output terminal of the switching power supply is electrically connected to the analog voltage input port, and a signal socket four is provided between the 24V power output terminal of the switching power supply and the analog voltage input port.

10. The electronic control system according to claim 9, characterized in that: The 24V power output terminal of the switching power supply is electrically connected to the analog voltage output port, and a signal socket five is provided between the 24V power output terminal of the switching power supply and the analog voltage output port.

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