Color-changing and temperature-changing control circuit of intelligent micro-fluidic system

Abstract

The invention discloses a color-changing and temperature-changing control circuit of an intelligent microfluidic system. The control circuit comprises a main control unit, an analog-to-digital conversion unit, a communication expansion unit, a touch screen unit, a solution temperature sensor, a temperature transmitter, an environment temperature sensor, an environment temperature receiver, an image acquisition device, an image processor, a photoelectric isolation relay, an air pump set, a liquid pump set, a heater set, a cooler set, a circulating pump set, a selection valve set and a check valve set. According to the color-changing and temperature-changing control circuit of the intelligent micro-fluidic system, the main control unit is in modular connection with the image processor, so that the operation efficiency and reliability of the color-changing and temperature-changing system of the micro-fluidic system can be improved; the environment temperature sensor adopts a wireless mode, so that the space limitation can be reduced, and the space range of background temperature acquisition is expanded. According to the circuit system, the micro-fluidic system can realize self-adaptive vision and infrared camouflage, and the reliability and intellectualization of a color and temperature changing system of the micro-fluidic system are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of electronic circuits and relates to a color-changing and temperature-changing control circuit, and in particular to a color-changing and temperature-changing control circuit for an intelligent microfluidic system. Background Art

[0002] At present, most microfluidic color-changing and temperature-changing systems use manual color-changing and temperature-changing adjustments, and do not yet have image and temperature feedback adjustment technology. However, for scenes with changeable background environment color and temperature, manual color and temperature adjustments are more complicated, and the color-changing and temperature-changing effects and accuracy are poor. Summary of the invention

[0003] In order to solve the problem of low circuit system reliability and intelligence in the existing microfluidic color-changing and temperature-changing system, the present invention provides an intelligent microfluidic system color-changing and temperature-changing control circuit. The circuit system can enable the microfluidic system to achieve adaptive visual and infrared camouflage, and improve the reliability and intelligence of the microfluidic system color-changing and temperature-changing system.

[0004] The objective of the present invention is achieved through the following technical solutions:

[0005] An intelligent microfluidic system color change and temperature change control circuit includes a main control unit, an analog-to-digital conversion unit, a communication expansion unit, a touch screen unit, a solution temperature sensor, a temperature transmitter, an ambient temperature sensor, an ambient temperature receiver, an image acquisition device, an image processor, a photoelectric isolation relay, an air pump group, a liquid pump group, a heater group, a cooler group, a circulation pump group, a selection valve group, and a check valve group, wherein:

[0006] The main control unit, analog-to-digital conversion unit, and communication expansion unit are connected via a field bus;

[0007] The touch screen unit is connected to the main control unit and a 24V DC power supply;

[0008] The solution temperature sensor is connected to a temperature transmitter, and the temperature transmitter is connected to a 24V DC power supply and an analog-to-digital conversion unit;

[0009] The ambient temperature receiver is connected to the communication expansion unit and the 24V power supply;

[0010] The ambient temperature sensor transmits the temperature acquisition signal to the ambient temperature receiver through wireless transmission, and the ambient temperature receiver transmits the temperature acquisition signal to the main control unit through the communication expansion unit;

[0011] The image acquisition device is connected to an image processor, and the image processor is connected to a main control unit and a 5V DC power supply;

[0012] The main control unit is connected to the photoelectric isolation relay, which is connected to the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group. The main control unit transmits a control signal to the photoelectric isolation relay, and the photoelectric isolation relay controls the start and stop of the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group according to the control signal;

[0013] The photoelectric isolation relay, liquid pump group, air pump group, refrigerator group, heater group, selection valve group, check valve group, circulation pump group and a 12V DC power supply are connected;

[0014] The photoelectric isolation relay includes a photoelectric isolation relay T1 and a photoelectric isolation relay T2;

[0015] The photoelectric isolation relay T1 is connected to the terminal board S1, the terminal board S2, the selection valve group, the check valve group, and the heater group;

[0016] The terminal block S1 is connected to the liquid pump group, and the terminal block S2 is connected to the air pump group;

[0017] The photoelectric isolation relay T2 is connected to the refrigerator group and the circulation pump group;

[0018] The photoelectric isolation relay T1, the photoelectric isolation relay T2, the terminal board S1, the terminal board S2, the check valve group, the heater group, the refrigerator group, and the circulation pump group are connected to a 12V DC power supply.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. The main control unit and the image processor in the color-changing and temperature-changing control circuit of the intelligent microfluidic system of the present invention are modularly connected, which can improve the operating efficiency and reliability of the color-changing and temperature-changing system of the microfluidic system.

[0021] 2. The ambient temperature sensor in the color-changing and temperature-changing control circuit of the intelligent microfluidic system of the present invention is wireless, which can reduce space limitations and increase the spatial range of background temperature collection.

[0022] 3. The color-changing and temperature-changing control circuit of the intelligent microfluidic system of the present invention has high reliability and intelligence, and can dynamically sense and feedback the color and temperature of the surrounding environment of the microfluidic color-changing and temperature-changing system, so that the microfluidic system can have high dynamic response capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is the structure diagram of the color-changing and temperature-changing control circuit of the microfluidic system;

[0024] Figure 2 Circuit diagram for image acquisition, temperature sensing and touch screen connection modules;

[0025] Figure 3 It is the driving circuit diagram of the liquid pump, air pump, refrigerator, heater, selection valve, check valve and circulating liquid pump group. DETAILED DESCRIPTION

[0026] The technical solution of the present invention is further described below in conjunction with the accompanying drawings, but is not limited thereto. Any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be included in the protection scope of the present invention.

[0027] The present invention provides a color-changing and temperature-changing control circuit for an intelligent microfluidic system, such as Figure 1 As shown, the color-changing and temperature-changing control circuit includes a main control unit, an analog-to-digital conversion unit, a communication expansion unit, a touch screen unit, a solution temperature sensor, a temperature transmitter, an ambient temperature sensor, an ambient temperature receiver, an image acquisition device, an image processor, a photoelectric isolation relay, a wiring board, an air pump group, a liquid pump group, a heater group, a cooler group, a circulation pump group, a selection valve group, and a check valve group, wherein:

[0028] The main control unit, analog-to-digital conversion unit, and communication expansion unit are connected via a field bus;

[0029] The touch screen unit is connected to the main control unit via a network cable, the touch screen unit power supply positive electrode V+ is connected to the 24V DC power supply V+ port, and the touch screen unit power supply negative electrode V- is connected to the 24V DC power supply V- port;

[0030] The positive electrode of the solution temperature sensor is connected to the positive electrode interface of the sensor on the temperature transmitter, and the negative electrode of the solution temperature sensor is connected to the two negative electrode interfaces of the sensor on the temperature transmitter;

[0031] The positive pole of the power supply end of the temperature transmitter E0 is connected to the V+ port of the 24V DC power supply, the negative pole of the temperature transmitter E0 is connected to the 0+ port on the analog-to-digital conversion unit, and the 0- port on the analog-to-digital conversion unit is connected to the V- port of the 24V DC power supply; the positive pole of the power supply end of the temperature transmitter E1 is connected to the V+ port of the 24V DC power supply, the negative pole of the temperature transmitter E1 is connected to the 1+ port on the analog-to-digital conversion unit, and the 1- port on the analog-to-digital conversion unit is connected to the V- port of the 24V DC power supply;

[0032] The A end of the ambient temperature receiver is connected to the A end of the communication extension unit (i.e., RS485 extension module), the B end of the ambient temperature receiver is connected to the B end of the communication extension unit, the G end of the ambient temperature receiver is connected to the G end of the communication extension unit, the V+ port of the ambient temperature receiver is connected to the V+ port of the 24V power supply, and the V- port is connected to the V- port of the 24V power supply;

[0033] The ambient temperature sensor transmits the temperature acquisition signal to the ambient temperature receiver through wireless transmission, and the ambient temperature receiver transmits the temperature acquisition signal to the main control unit through the communication expansion unit;

[0034] The image acquisition device is connected to the image processor via a USB port, the A port of the RS485 communication port of the image processor is connected to the A port of the main control unit, the B port of the RS485 communication port of the image processor is connected to the B port of the main control unit, the G port of the RS485 communication port of the image processor is connected to the G port of the main control unit, the positive electrode of the power supply port of the image processor is connected to the V+ port of the 5V DC power supply, and the negative electrode of the power supply port of the image processor is connected to the V- port of the 5V DC power supply;

[0035] The main control unit is connected to the photoelectric isolation relay, which is connected to the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group. The main control unit transmits a control signal to the photoelectric isolation relay, and the photoelectric isolation relay controls the start and stop of the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group according to the control signal;

[0036] The photoelectric isolation relay, liquid pump group, air pump group, refrigerator group, heater group, selection valve group, check valve group, circulation pump group and a 12V direct current power supply are connected.

[0037] In the present invention, the photoelectric isolation relay includes a photoelectric isolation relay T1 and a photoelectric isolation relay T2, the air pump group includes air pumps G1-G8, the liquid pump group includes liquid pumps M1-M8, the heater group includes heaters H1-H3, the refrigerator group includes refrigerators D1-D6, the circulation pump group includes circulation pumps P1-P4, the selection valve group includes selection valves F1-F16, and the check valve group includes check valves K1-K8, wherein:

[0038] The 1C, 2C, 3C, 4C, 5C, and 6C ports on the photoelectric isolation relay T1 are connected to the 12V DC power supply V+ port;

[0039] The 1NO port on the photoelectric isolation relay T1 is connected to the 1A, 2A, 3A, 4A, 5A, and 6A ports of the wiring board S1, the 7A, 8A, 9A, 10A, 11A, and 12A ports of the wiring board S1 are connected to the V- port of the 12V DC power supply, the 1B, 2B, 3B, 4B, 5B, and 6B ports of the wiring board S1 are connected to the V+ poles of the liquid pumps M1, M2, M3, M4, M5, M6, M7, and M8, and the 7B, 8B, 9B, 10B, 11B, and 12B ports of the wiring board S1 are connected to the V- poles of the liquid pumps M1, M2, M3, M4, M5, M6, M7, and M8;

[0040] The V+ port of the selector valve F1-F16 is connected to the 2NO port on the photoelectric isolation relay T1, and the V- port of the selector valve F1-F16 is connected to the V- port of the 12V DC power supply;

[0041] The 3NO port on the photoelectric isolation relay T1 is connected to the 1A, 2A, 3A, 4A, 5A, and 6A ports of the wiring board S2, the 7A, 8A, 9A, 10A, 11A, and 12A ports of the wiring board S2 are connected to the V- port of the 12V DC power supply, the 1B, 2B, 3B, 4B, 5B, and 6B ports of the wiring board S2 are connected to the V+ poles of the air pumps G1, G2, G3, G4, G5, G6, G7, and G8, and the 7B, 8B, 9B, 10B, 11B, and 12B ports of the wiring board are connected to the V- poles of the air pumps G1, G2, G3, G4, G5, G6, G7, and G8;

[0042] The V+ port of the check valve K1-K8 is connected to the 4NO port on the photoelectric isolation relay T1, and the V- port of the check valve K1-K8 is connected to the V- port of the 12V DC power supply;

[0043] The V+ poles of the heaters H1, H2, and H3 are connected to the 5NO port on the photoelectric isolation relay T1, and the V- poles of the heaters H1, H2, and H3 are connected to the V- port of the 12V DC power supply;

[0044] The V+ port of the refrigerator D1 is connected to the 1NO port on the photoelectric isolation relay T2, the V- port of the refrigerator D1 is connected to the V- port of the 12V DC power supply, and the 1C on the photoelectric isolation relay T2 is connected to the V+ port of the 12V DC power supply;

[0045] The V+ port of the circulating pump P1 is connected to the 1NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P1 is connected to the V- port of the 12V DC power supply;

[0046] The V+ port of the refrigerator D2 is connected to the 2NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D2 is connected to the V- port of the 12V DC power supply;

[0047] The V+ port of the circulating pump P2 is connected to the 2NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P2 is connected to the V- port of the 12V DC power supply;

[0048] The V+ port of the refrigerator D3 is connected to the 3NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D3 is connected to the V- port of the 12V DC power supply;

[0049] The V+ port of the circulating pump P3 is connected to the 3NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P3 is connected to the V- port of the 12V DC power supply;

[0050] The V+ port of the refrigerator D4 is connected to the 4NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D4 is connected to the V- port of the 12V DC power supply;

[0051] The V+ port of the circulating pump P4 is connected to the 4NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P4 is connected to the V- port of the 12V DC power supply;

[0052] The V+ port of the refrigerator D5 is connected to the 5NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D5 is connected to the V- port of the 12V DC power supply;

[0053] The V+ port of the refrigerator D6 is connected to the 6NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D6 is connected to the V- port of the 12V DC power supply.

[0054] The control circuit of the present invention collects the temperature and color information of the environment and the solution through the analog-to-digital conversion unit, the communication expansion unit and the image acquisition device, controls whether the photoelectric isolation relay is energized through the main control unit, and further controls the start and stop of the liquid pump group, the air pump group, the refrigerator, the heater, the selection valve group, the check valve group and the circulation pump group, so that the microfluidic system can realize the color and temperature change functions.

Claims

1. A color-changing and temperature-changing control circuit for an intelligent microfluidic system, characterized in that The control circuit includes a main control unit, an analog-to-digital conversion unit, a communication expansion unit, a touch screen unit, a solution temperature sensor, a temperature transmitter, an ambient temperature sensor, an ambient temperature receiver, an image acquisition device, an image processor, a photoelectric isolation relay, an air pump group, a liquid pump group, a heater group, a cooler group, a circulation pump group, a selection valve group, and a check valve group, wherein: The main control unit, analog-to-digital conversion unit, and communication expansion unit are connected via a field bus; The touch screen unit is connected to the main control unit and a 24V DC power supply; The solution temperature sensor is connected to a temperature transmitter, and the temperature transmitter is connected to a 24V DC power supply and an analog-to-digital conversion unit; The ambient temperature receiver is connected to the communication expansion unit and the 24V power supply; The ambient temperature sensor transmits the temperature acquisition signal to the ambient temperature receiver through wireless transmission, and the ambient temperature receiver transmits the temperature acquisition signal to the main control unit through the communication expansion unit; The image acquisition device is connected to an image processor, and the image processor is connected to a main control unit and a 5V DC power supply; The main control unit is connected to the photoelectric isolation relay, which is connected to the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group. The main control unit transmits a control signal to the photoelectric isolation relay, and the photoelectric isolation relay controls the start and stop of the liquid pump group, the air pump group, the refrigerator group, the heater group, the selection valve group, the check valve group, and the circulation pump group according to the control signal; The photoelectric isolation relay, liquid pump group, air pump group, refrigerator group, heater group, selection valve group, check valve group, circulation pump group and a 12V direct current power supply are connected.

2. The color-changing and temperature-changing control circuit of the intelligent microfluidic system according to claim 1 is characterized in that The photoelectric isolation relay includes a photoelectric isolation relay T1 and a photoelectric isolation relay T2; The photoelectric isolation relay T1 is connected to the terminal board S1, the terminal board S2, the selection valve group, the check valve group, and the heater group; The terminal block S1 is connected to the liquid pump group, and the terminal block S2 is connected to the air pump group; The photoelectric isolation relay T2 is connected to the refrigerator group and the circulation pump group; The photoelectric isolation relay T1, the photoelectric isolation relay T2, the terminal board S1, the terminal board S2, the check valve group, the heater group, the refrigerator group, and the circulation pump group are connected to a 12V DC power supply.

3. The color-changing and temperature-changing control circuit of the intelligent microfluidic system according to claim 2 is characterized in that The air pump group includes air pumps G1-G8, the liquid pump group includes liquid pumps M1-M8, the heater group includes heaters H1-H3, the refrigerator group includes refrigerators D1-D6, the circulation pump group includes circulation pumps P1-P4, the selection valve group includes selection valves F1-F16, and the check valve group includes check valves K1-K8, wherein: The 1C, 2C, 3C, 4C, 5C, and 6C ports on the photoelectric isolation relay T1 are connected to the 12V DC power supply V+ port; The 1NO port on the photoelectric isolation relay T1 is connected to the 1A, 2A, 3A, 4A, 5A, and 6A ports of the wiring board S1, the 7A, 8A, 9A, 10A, 11A, and 12A ports of the wiring board S1 are connected to the V- port of the 12V DC power supply, the 1B, 2B, 3B, 4B, 5B, and 6B ports of the wiring board S1 are connected to the V+ poles of the liquid pumps M1, M2, M3, M4, M5, M6, M7, and M8, and the 7B, 8B, 9B, 10B, 11B, and 12B ports of the wiring board S1 are connected to the V- poles of the liquid pumps M1, M2, M3, M4, M5, M6, M7, and M8; The V+ port of the selector valve F1-F16 is connected to the 2NO port on the photoelectric isolation relay T1, and the V- port of the selector valve F1-F16 is connected to the V- port of the 12V DC power supply; The 3NO port on the photoelectric isolation relay T1 is connected to the 1A, 2A, 3A, 4A, 5A, and 6A ports of the wiring board S2, the 7A, 8A, 9A, 10A, 11A, and 12A ports of the wiring board S2 are connected to the V- port of the 12V DC power supply, the 1B, 2B, 3B, 4B, 5B, and 6B ports of the wiring board S2 are connected to the V+ poles of the air pumps G1, G2, G3, G4, G5, G6, G7, and G8, and the 7B, 8B, 9B, 10B, 11B, and 12B ports of the wiring board are connected to the V- poles of the air pumps G1, G2, G3, G4, G5, G6, G7, and G8; The V+ port of the check valve K1-K8 is connected to the 4NO port on the photoelectric isolation relay T1, and the V- port of the check valve K1-K8 is connected to the V- port of the 12V DC power supply; The V+ poles of the heaters H1, H2, and H3 are connected to the 5NO port on the photoelectric isolation relay T1, and the V- poles of the heaters H1, H2, and H3 are connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D1 is connected to the 1NO port on the photoelectric isolation relay T2, the V- port of the refrigerator D1 is connected to the V- port of the 12V DC power supply, and the 1C on the photoelectric isolation relay T2 is connected to the V+ port of the 12V DC power supply; The V+ port of the circulating pump P1 is connected to the 1NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P1 is connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D2 is connected to the 2NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D2 is connected to the V- port of the 12V DC power supply; The V+ port of the circulating pump P2 is connected to the 2NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P2 is connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D3 is connected to the 3NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D3 is connected to the V- port of the 12V DC power supply; The V+ port of the circulating pump P3 is connected to the 3NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P3 is connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D4 is connected to the 4NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D4 is connected to the V- port of the 12V DC power supply; The V+ port of the circulating pump P4 is connected to the 4NO port on the photoelectric isolation relay T2, and the V- port of the circulating pump P4 is connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D5 is connected to the 5NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D5 is connected to the V- port of the 12V DC power supply; The V+ port of the refrigerator D6 is connected to the 6NO port on the photoelectric isolation relay T2, and the V- port of the refrigerator D6 is connected to the V- port of the 12V DC power supply.

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