A wireless communication valve control system

Abstract

The utility model relates to the field of valve control technology, and specifically to a wireless communication valve control system, including: a slave station end, including a valve control module and a first wireless transmission module; the valve control module is electrically connected to the first wireless transmission module; a master station end, including a control unit, an input-output unit, and a second wireless transmission module; the first end of the input-output unit is electrically connected to the control unit; the second end of the input-output unit is electrically connected to the second wireless transmission module; the first wireless transmission module establishes a wireless communication connection with the second wireless transmission module; a remote control end, including a host computer; the host computer establishes a communication connection with the control unit of the master station end, so as to send a valve control instruction to the valve control module of the slave station end through the master station end. The utility model solves the problem of cumbersome and high cost of wired control of valves.

Description

Technical Field

[0001] The utility model relates to the technical field of valve control, in particular to a wireless communication valve control system. Background Art

[0002] Valve control systems are mainly used in wide-ranging environments such as tailings ponds. For example, in the discharge of tailings in tailings ponds, there are many and scattered valves. In order to achieve remote monitoring of valves, it is necessary to pull a wire for each valve to control the opening and closing of the tailings discharge valve. However, this wiring method is relatively cumbersome, greatly increasing the use of cables and causing cost increases.

[0003] In view of this, a more convenient wireless communication valve control system is needed. Utility Model Content

[0004] In view of this, the utility model provides a wireless communication valve control system to solve the problem of complicated and high cost of wired valve control.

[0005] The utility model provides a wireless communication valve control system, which includes: a slave station end, including a valve control module and a first wireless transmission module; the valve control module is electrically connected to the first wireless transmission module; a master station end, including a control unit, an input-output unit and a second wireless transmission module; the first end of the input-output unit is electrically connected to the control unit; the second end of the input-output unit is electrically connected to the second wireless transmission module; the first wireless transmission module establishes a wireless communication connection with the second wireless transmission module; a remote control end, including a host computer; the host computer establishes a communication connection with the control unit of the master station end, so as to send a valve control instruction to the valve control module of the slave station end through the master station end.

[0006] In an optional embodiment, the valve control module includes an adjustable electric valve; the first wireless transmission module includes a first analog wireless transmission module; the input end of the first analog wireless transmission module is connected to the output signal end of the adjustable electric valve; the common end of the first analog wireless transmission module is connected to the negative end of the output signal of the adjustable electric valve; the output end of the first analog wireless transmission module is connected to the input signal end of the adjustable electric valve; the ground end of the first analog wireless transmission module is connected to the negative end of the input signal of the adjustable electric valve.

[0007] In an optional embodiment, the valve control module also includes a switch-type electric valve, a first AC contactor and a second AC contactor; the first wireless transmission module also includes a first switch wireless transmission module; the first output end normally open contact of the first switch wireless transmission module is connected to the normally closed common end of the switch-type electric valve; the first normally closed point of the switch-type electric valve is connected to the first end of the first AC contactor; the second end of the first AC contactor is connected to the neutral line; the first output end common end of the first switch wireless transmission module is connected to the first end of the power supply of the regulating electric valve; the second output end normally open contact of the first switch wireless transmission module is connected to the normally closed common end of the switch-type electric valve; the second normally closed point of the switch-type electric valve is connected to the first end of the second AC contactor; the second end of the second AC contactor is connected to the neutral line; The second output common end of a switch wireless transmission module is connected to the first end of the power supply of the regulating electric valve; the first input common end, the second input common end and the third input common end of the first switch wireless transmission module are connected to the normally open common end of the switch type electric valve; the first input terminal end of the first switch wireless transmission module is connected to the first normally open point of the switch type electric valve; the second input terminal end of the first switch wireless transmission module is connected to the second normally open point of the switch type electric valve; the third input terminal end of the first switch wireless transmission module is connected to the third normally open point of the switch type electric valve; the fourth input common end of the first switch wireless transmission module is connected to the first fault end of the regulating electric valve; the fourth input terminal end of the first switch wireless transmission module is connected to the second fault end of the regulating electric valve.

[0008] In an optional embodiment, the master station end includes a first intermediate relay and a second intermediate relay; the control unit includes a controller; the first digital output point of the controller is connected to the pull-in end of the first intermediate relay; the second digital output point of the controller is connected to the pull-in end of the second intermediate relay.

[0009] In an optional embodiment, the control unit also includes an analog input module and an analog output module; the second wireless transmission module includes a second analog wireless transmission module and a second switch wireless transmission module; the first output end normally open contact of the second switch wireless transmission module is connected to the first digital input point of the controller; the first output end common end, the second output end common end, the third output end common end and the fourth output end common end of the second switch wireless transmission module are connected to the power supply interface; the first input terminal end of the second switch wireless transmission module is connected to the first end of the first intermediate relay; the first input end common end of the second switch wireless transmission module is connected to the second end of the first intermediate relay; the second input terminal end of the second switch wireless transmission module is connected to the first end of the second intermediate relay; the second input end common end of the second switch wireless transmission module is connected to the second end of the second intermediate relay; the output end of the analog output module is connected to the common end of the second analog wireless transmission module; the common end of the analog output module is connected to the first input end of the second analog wireless transmission module; the output positive end of the analog input module is connected to the first output end of the second analog wireless transmission module; the output negative end of the analog input module is connected to the ground end of the second analog wireless transmission module.

[0010] The system provided by the utility model includes a slave station end and a master station end, and the slave station end and the master station end are respectively provided with a first wireless transmission module and a second wireless transmission module, the first wireless transmission module and the second wireless transmission module establish a wireless communication connection, and the first wireless transmission module is also electrically connected to the valve control module, and the second wireless transmission module is electrically connected to the control unit through the input and output unit, so that the host computer can remotely open, close, adjust and other operations on the valve and understand the operating status of the valve, while ensuring normal control of the valve, reducing the resources required for wiring. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural block diagram of a wireless communication valve control system according to an embodiment of the utility model;

[0013] Figure 2 is a schematic diagram of a control circuit at a slave end according to an embodiment of the utility model;

[0014] Figure 3It is a schematic diagram of a master station control circuit according to an embodiment of the utility model. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0016] The embodiment of the utility model provides a wireless communication valve control system, which achieves the effect of remotely controlling the valve by integrating a wireless communication module.

[0017] In this embodiment, a wireless communication valve control system is provided. Figure 1 : is a structural block diagram of a wireless communication valve control system according to an embodiment of the utility model, such as Figure 1 As shown, the system includes a slave station 101 , a master station 102 and a remote control terminal 103 .

[0018] The slave station 101 includes a valve control module 1011 and a first wireless transmission module 1012 ; the valve control module 1011 is electrically connected to the first wireless transmission module 1012 .

[0019] The main station end 102 includes a control unit 1023, an input-output unit 1022 and a second wireless transmission module 1021; the first end of the input-output unit 1022 is electrically connected to the control unit 1023; the second end of the input-output unit 1022 is electrically connected to the second wireless transmission module 1021; the first wireless transmission module 1012 establishes a wireless communication connection with the second wireless transmission module 1021.

[0020] The remote control end 103 includes a host computer 1031 ; the host computer 1031 establishes a communication connection with the control unit 1023 of the master end 102 , so as to send the valve control instruction to the valve control module 1011 of the slave end 101 through the master end 102 .

[0021] The system further includes a power source 104 , which includes a valve control module 1011 , a first wireless transmission module 1012 , a second wireless transmission module 1021 and a control unit 1023 .

[0022] In some optional implementations, the valve control module includes a regulating electric valve; and the first wireless transmission module includes a first analog wireless transmission module.

[0023] like Figure 2The regulating electric gate valve includes power supply L1 terminal 8, power supply L2 terminal 9, power supply L3 terminal 10, input signal positive terminal 11, input signal negative terminal 12, output signal positive terminal 13, output signal negative terminal 14, fault signal terminal 15, fault signal terminal 2 16. The LORA analog wireless transmission module includes input terminals AI1-AI8, common terminal ACOM-, output terminals AO1-AO8, and ground terminal GND.

[0024] The input end of the first analog wireless transmission module is connected to the positive end of the output signal of the regulating electric valve.

[0025] The common end of the first analog wireless transmission module is connected to the negative end of the output signal of the regulating electric valve.

[0026] The output end of the first analog wireless transmission module is connected to the positive end of the input signal of the regulating electric valve.

[0027] The ground terminal of the first analog wireless transmission module is connected to the negative terminal of the input signal of the regulating electric valve.

[0028] Specifically, the LORA analog wireless transmission module can have four analog inputs and four analog outputs. Among them, the input terminal AI1 of the LORA analog wireless transmission module is connected to the positive terminal 13 of the output signal of the regulating electric gate valve, and the common terminal ACOM- is connected to the negative terminal 14 of the output signal to collect the current opening of the valve in real time; the output terminal AO1 of the LORA analog wireless transmission module is connected to the positive terminal 11 of the input signal, and the ground terminal GND is connected to the negative terminal 12 of the input signal to control the valve opening.

[0029] In some optional implementations, the valve control module further includes a switch-type electric valve, a first AC contactor, and a second AC contactor; and the first wireless transmission module further includes a first switch value wireless transmission module.

[0030] like Figure 2 The switch type electric gate valve includes the normally closed common terminal 1, normally closed point 2, normally closed point 3, normally open common terminal 4, normally open point 5, normally open point 6, and normally open point 7. The valve control module also includes AC contactor KM1 and AC contactor KM2. The LORA switch quantity wireless transmission module includes the normally open contacts NO1-NO6, common terminals COM1-CMO6, and normally closed contacts NC1-NC6 at the output end, the input common terminals include COM1-1-COM6-1, and the input terminal terminals include DI-1-DI-6.

[0031] The normally open contact at the first output end of the first switch quantity wireless transmission module is connected to the normally closed common end of the switch type electric valve; the first normally closed point of the switch type electric valve is connected to the first end of the first AC contactor; the second end of the first AC contactor is connected to the neutral line.

[0032] The first output common end of the first switch value wireless transmission module is connected to the first end of the power supply of the regulating electric valve.

[0033] Specifically, the LORA switch quantity wireless transmission module includes a normally open contact NO1 at the output end connected to the normally closed common terminal 1, the normally closed point 2 is connected to one end of the AC contactor KM1, the other end of the AC contactor KM1 is connected to the neutral line N, and the common terminal COM1 is connected to the power supply L1 terminal 8. By controlling the attraction of the AC contactor KM1 to control the positive transmission of the motor to realize the opening of the valve, the 1 / 2 open position normally closed point is connected in series to protect the motor.

[0034] The normally open contact at the second output end of the first switch quantity wireless transmission module is connected to the normally closed common end of the switch type electric valve; the second normally closed point of the switch type electric valve is connected to the first end of the second AC contactor; the second end of the second AC contactor is connected to the neutral line.

[0035] The second output common end of the first switch value wireless transmission module is connected to the first end of the power supply of the regulating electric valve.

[0036] Specifically, the LORA switch quantity wireless transmission module includes a normally open contact NO2 at the output end connected to the normally closed common terminal 1, a normally closed point 3 connected to one end of the AC contactor KM2, the other end of the AC contactor KM2 connected to the neutral line N, and a common terminal COM2 connected to the power supply L1 terminal 8. The valve is closed by controlling the reversal of the motor by controlling the attraction of the AC contactor KM2, and the motor is protected by connecting the 1 / 2 closed position normally closed point in series. When the output terminal NO1 / COM1 of the LORA switch quantity wireless transmission module at the slave end is turned on, the motor rotates forward, and when the output terminal NO2 / COM2 is turned on, the motor reverses.

[0037] The first input common end, the second input common end and the third input common end of the first switch value wireless transmission module are connected to the normally open common end of the switch type electric valve.

[0038] The first input terminal of the first switch value wireless transmission module is connected to the first normally open point of the switch type electric valve.

[0039] The second input terminal of the first switch value wireless transmission module is connected to the second normally open point of the switch type electric valve.

[0040] The third input terminal of the first switch value wireless transmission module is connected to the third normally open point of the switch type electric valve.

[0041] The fourth input common terminal of the first switch value wireless transmission module is connected to the first fault terminal of the regulating electric valve.

[0042] The fourth input terminal of the first switch value wireless transmission module is connected to the second fault terminal of the regulating electric valve.

[0043] Specifically, the LORA switch quantity wireless transmission module includes 6 switch quantity input channels and 6 switch quantity output channels. Among them, the input common terminals COM1-1, COM2-1, and COM3-1 of the LORA switch quantity wireless transmission module are connected to the normally open common terminal 4 of the switch type electric gate valve; the input terminal terminals DI-1, DI-2, and DI-3 of the LORA switch quantity wireless transmission module are respectively connected to the normally open points 5, 6, and 7 of the switch type electric gate valve; the input common terminal of the LORA switch quantity wireless transmission module is connected to the fault signal terminal 15 of the regulating type electric gate valve, and the input terminal terminal DI-4 is connected to the fault signal terminal 16. Among them, the normally open points 5, 6, and 7 of the switch type electric gate valve are respectively the normally open point, the normally open point, and the fault normally open point.

[0044] In some optional implementations, the master station includes a first intermediate relay and a second intermediate relay; and the control unit includes a controller.

[0045] like Figure 3 As shown, the master station section includes intermediate relays KA1 and KA2. The control unit includes the digital output points of the PLC controller including Q0.0-Q0.3. The digital input points include I0.0-I0.7.

[0046] The first digital output point of the controller is connected to the pickup end of the first intermediate relay.

[0047] The second digital output point of the controller is connected to the pickup end of the second intermediate relay.

[0048] Specifically, the digital output point Q0.0 of the PLC controller is connected to the suction end of the intermediate relay KA1 to control the suction of the coil of the intermediate relay KA1, and controls the on-off of the LORA switch wireless transmission module NO1 / COM1 at the slave end by controlling the conduction of the LORA switch wireless transmission module COM1-1 / DI-1 at the master end; similarly, the digital output point Q0.1 of the PLC controller is connected to the suction end of the intermediate relay KA2 to control the suction of the coil of the intermediate relay KA2, and controls the on-off of the LORA switch wireless transmission module NO2 / COM2 at the slave end by controlling the conduction of the LORA switch wireless transmission module COM2-1 / DI-2 at the master end.

[0049] In some optional implementations, the control unit further includes an analog quantity input module and an analog quantity output module; the second wireless transmission module includes a second analog quantity wireless transmission module and a second switch quantity wireless transmission module.

[0050] like Figure 3As shown, the analog input module AE0E includes an output positive terminal 0+ and an output negative terminal 0-, the analog output module AQ02 includes an output terminal 0M and a common terminal 0, and the LORA analog wireless transmission module includes a common terminal ACOM-, input terminals AI1-AI4, output terminals AO1-AO8 and a ground terminal GND.

[0051] The LORA switch quantity wireless transmission module includes output end normally open contacts NO1-NO6, common ends COM1-COM6, normally closed contacts NC1-NC6, input terminal ends DI-1-DI-6, and input end common ends COM1-1-COM6-1.

[0052] The normally open contact of the first output end of the second switch value wireless transmission module is connected to the first digital input point of the controller.

[0053] The normally open contact of the first output end of the second switch value wireless transmission module is connected to the first digital input point of the controller.

[0054] The normally open contact of the first output end of the second switch value wireless transmission module is connected to the first digital input point of the controller.

[0055] The normally open contact of the first output end of the second switch value wireless transmission module is connected to the first digital input point of the controller.

[0056] The first output common end, the second output common end, the third output common end and the fourth output common end of the second switch value wireless transmission module are connected to the power supply interface.

[0057] Specifically, the output terminals NO1, NO2, NO3 and NO4 of the LORA switch quantity wireless transmission module at the master station are connected to the digital input points I0.0, I0.1, I0.2 and I0.3 of the PLC controller respectively, and the common terminals COM1, COM2, COM3 and COM4 are connected to the power supply interface. When the normally open common terminal 4 and the normally open point 5 at the slave station are turned on, the output terminal NO1 and the common terminal COM1 at the master station are turned on, and the I0.0 of the PLC controller reads the open position signal of the switch type electric valve; similarly, the I0.1, I0.2 and I0.3 of the PLC controller read the closed position, fault of the switch type electric valve and the fault of the regulating type electric valve respectively.

[0058] The first input terminal of the second switch value wireless transmission module is connected to the first end of the first intermediate relay.

[0059] The first input common end of the second switch value wireless transmission module is connected to the second end of the first intermediate relay.

[0060] The second input terminal of the second switch value wireless transmission module is connected to the first end of the second intermediate relay.

[0061] The second input common end of the second switch value wireless transmission module is connected to the second end of the second intermediate relay.

[0062] Specifically, the input terminal DI-1 of the LORA switch quantity wireless transmission module at the master station is connected to one end of the intermediate relay KA1, and the input common terminal COM1-1 is connected to the other end of the intermediate relay KA1; the input terminal DI-2 is connected to one end of the intermediate relay KA2, and the input common terminal COM2-1 is connected to the other end of the intermediate relay KA2.

[0063] The output end of the analog output module is connected to the common end of the second analog wireless transmission module.

[0064] The common end of the analog output module is connected to the first input end of the second analog wireless transmission module.

[0065] The positive output terminal of the analog quantity input module is connected to the first output terminal of the second analog quantity wireless transmission module.

[0066] The negative output terminal of the analog quantity input module is connected to the ground terminal of the second analog quantity wireless transmission module.

[0067] Specifically, the output terminal OM of the analog output module of the PLC controller is connected to the common terminal ACOM- of the LORA analog wireless transmission module at the master station, and the common terminal 0 is connected to the first input terminal AI1; the PLC sends the set valve opening (4-20ma current signal) through the output terminal 0M and common terminal 0 of the analog output module through the AI1 and ACOM- of the LORA analog wireless transmission module at the master station to the AO1 and GND of the LORA analog wireless transmission module at the slave station; the output positive terminal 0+ and the output negative terminal 0- of the analog input module of the PLC controller are respectively connected to the output terminal AO1 and the ground terminal GND of the LORA analog wireless transmission module at the master station, and read the current opening of the regulating valve sent by AI1 and ACOM- of the LORA analog wireless transmission module from the slave station.

[0068] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A wireless communication valve control system, characterized in that: The system comprises: The slave station includes a valve control module and a first wireless transmission module; the valve control module is electrically connected to the first wireless transmission module; The master station includes a control unit, an input-output unit, and a second wireless transmission module; the first end of the input-output unit is electrically connected to the control unit; the second end of the input-output unit is electrically connected to the second wireless transmission module; the first wireless transmission module establishes a wireless communication connection with the second wireless transmission module; The remote control end includes a host computer; the host computer establishes a communication connection with the control unit of the master station end so as to send the valve control instruction to the valve control module of the slave station end through the master station end.

2. The system according to claim 1, characterized in that The valve control module includes an adjustable electric valve; the first wireless transmission module includes a first analog wireless transmission module; The input end of the first analog wireless transmission module is connected to the output signal end of the regulating electric valve; The common end of the first analog wireless transmission module is connected to the negative end of the output signal of the regulating electric valve; The output end of the first analog wireless transmission module is connected to the input signal end of the regulating electric valve; The ground terminal of the first analog wireless transmission module is connected to the negative terminal of the input signal of the regulating electric valve.

3. The system according to claim 2, characterized in that The valve control module further includes a switch type electric valve, a first AC contactor and a second AC contactor; the first wireless transmission module further includes a first switch value wireless transmission module; The normally open contact of the first output end of the first switch value wireless transmission module is connected to the normally closed common end of the switch type electric valve; the first normally closed point of the switch type electric valve is connected to the first end of the first AC contactor; the second end of the first AC contactor is connected to the neutral line; The first output common end of the first switch value wireless transmission module is connected to the first end of the power supply of the regulating electric valve; The normally open contact at the second output end of the first switch value wireless transmission module is connected to the normally closed common end of the switch type electric valve; the second normally closed point of the switch type electric valve is connected to the first end of the second AC contactor; the second end of the second AC contactor is connected to the neutral line; The second output common end of the first switch value wireless transmission module is connected to the first end of the power supply of the regulating electric valve; The first input common end, the second input common end and the third input common end of the first switch value wireless transmission module are connected to the normally open common end of the switch type electric valve; The first input terminal of the first switch value wireless transmission module is connected to the first normally open point of the switch type electric valve; The second input terminal of the first switch value wireless transmission module is connected to the second normally open point of the switch type electric valve; The third input terminal of the first switch value wireless transmission module is connected to the third normally open point of the switch type electric valve; The fourth input common end of the first switch value wireless transmission module is connected to the first fault end of the regulating electric valve; The fourth input terminal of the first switch value wireless transmission module is connected to the second fault terminal of the regulating electric valve.

4. The system according to claim 1, characterized in that The master station end includes a first intermediate relay and a second intermediate relay; the control unit includes a controller; The first digital output point of the controller is connected to the pickup end of the first intermediate relay; The second digital output point of the controller is connected to the pickup end of the second intermediate relay.

5. The system according to claim 4, characterized in that The control unit further includes an analog quantity input module and an analog quantity output module; the second wireless transmission module includes a second analog quantity wireless transmission module and a second switch quantity wireless transmission module; The normally open contact of the first output end of the second switch value wireless transmission module is connected to the first digital input point of the controller; The first output common end, the second output common end, the third output common end and the fourth output common end of the second switching value wireless transmission module are connected to the power supply interface; The first input terminal of the second switch value wireless transmission module is connected to the first end of the first intermediate relay; The first input common end of the second switch value wireless transmission module is connected to the second end of the first intermediate relay; The second input terminal of the second switching value wireless transmission module is connected to the first end of the second intermediate relay; The second input common end of the second switch value wireless transmission module is connected to the second end of the second intermediate relay; The output end of the analog output module is connected to the common end of the second analog wireless transmission module; The common end of the analog output module is connected to the first input end of the second analog wireless transmission module; The output positive terminal of the analog quantity input module is connected to the first output terminal of the second analog quantity wireless transmission module; The negative output terminal of the analog quantity input module is connected to the ground terminal of the second analog quantity wireless transmission module.

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