Scanning microscope control device

Abstract

The utility model provides a scanning microscope control device, which comprises a main control chip circuit, a microscope light path dimming circuit, a motor driver circuit and a scanning table control circuit, signals are sent to the microscope light path dimming circuit, the motor driver circuit and the scanning table control circuit, and signals returned by all the circuits are received; the microscope dimming circuit is used for controlling and dimming a dimming lamp after receiving the dimming signal sent by the main control chip circuit; the motor driver circuit is used for controlling a motor through a driver chip after receiving the control signal sent by the main control chip circuit; the scanning table control circuit is used for receiving a signal of the main control chip, controlling the scanning table, receiving a position signal sent back by the scanning table and sending the position signal back to the main control chip. According to the utility model, efficient and accurate control of the scanning microscope is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic scanning field more particularly, relate to a scanning microscope control device. BACKGROUND

[0002] Scanning microscope, for real -time observation living cell form, dynamic behavior (such as split, migration) and drug effect, auxiliary screening high activity / low toxicity drug candidate molecule. For example, through fluorescent marker tracking drug influence on organelle, assess curative effect and toxicity. And can combine fluorescent marker technology, research nerve synapse transmission, immune cell behavior in tumor microenvironment Complex biological process. In cancer diagnosis, genetic disease analysis and neurodegenerative disease, for living cell dynamic monitoring, such as cancer cell proliferation, stem cell differentiation etc.

[0003] At present most total microscopes do not have automatic control function, need manual regulation cell plate position to carry out scanning imaging, and precision cannot guarantee, to solve this problem, need to design scanning microscope control circuit, the integration of whole scanning microscope, automation control. SUMMARY

[0004] The utility model discloses to the technical problem in prior art, provide a scanning microscope control device, including main control chip circuit, microscope light path dimmer circuit, motor driver circuit and scanning stage control circuit, main control chip circuit and upper computer two -way communication connection, microscope light path dimmer circuit, motor driver circuit and scanning stage control circuit all with main control chip circuit two -way communication connection;

[0005] Main control chip circuit is used to receive the control signal sent by upper computer, and the control signal includes first control signal, second control signal and third control signal, and the first control signal, the second control signal and the third control signal are sent to the microscope light path dimmer circuit, the motor driver circuit and the scanning stage control circuit respectively;

[0006] Microscope light path dimmer circuit is used to control and dimming according to the first control signal to dimming lamp;

[0007] Motor driver circuit is used to drive motor according to the second control signal to control scanning microscope;

[0008] Scanning stage control circuit is used to control the linear motor driver of moving platform according to the third control signal to control the position of cell plate on moving platform.

[0009] The utility model provides a scanning microscope control device, a main control chip circuit, a microscope light path light modulation circuit, a motor driver circuit and a scanning table control circuit, the main control chip circuit is used to accept the signal of host computer transmission, and will send the signal to the microscope light path light modulation circuit, motor driver circuit and scanning table control circuit, and accept the signal of each circuit return, the microscope light modulation circuit is used to control and light modulation to the light modulation lamp after receiving the light modulation signal of main control chip circuit, the motor driver circuit is used to control the motor through the driver chip after receiving the control signal of main control chip circuit, the scanning table control circuit is used to accept the signal of main control chip, and controls the scanning table, and accepts the position signal of scanning table transmission back to main control chip simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 A block diagram of a scanning microscope control device for an embodiment of the utility model is provided.

[0011] Figure 2-1 A schematic diagram of a first crystal oscillator circuit for an embodiment of the utility model is provided.

[0012] Figure 2-2 A schematic diagram of a second crystal oscillator circuit for an embodiment of the utility model is provided.

[0013] Figure 2-3 A schematic diagram of a serial port connection circuit for an embodiment of the utility model is provided.

[0014] Figure 2-4 A schematic diagram of a reset circuit for an embodiment of the utility model is provided.

[0015] Figure 2-5 A schematic diagram of a power supply circuit for an embodiment of the utility model is provided.

[0016] Figure 2-6 A schematic diagram of a signal lamp circuit for an embodiment of the utility model is provided.

[0017] Figure 2-7 A schematic diagram of a decoupling capacitor circuit for an embodiment of the utility model is provided.

[0018] Figure 2-8 A schematic diagram of a main control chip for an embodiment of the utility model is provided.

[0019] Figure 3 A schematic diagram of a microscope light path light modulation circuit for an embodiment of the utility model is provided.

[0020] Figure 4 A schematic diagram of a motor driver circuit for an embodiment of the utility model is provided.

[0021] Figure 5 The scanning table control circuit principle diagram of one embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model. In addition, the technical features in each embodiment or single embodiment provided by the utility model can be combined with each other at will to form a feasible technical scheme, and this combination is not restricted by the order of steps and / or structure composition mode, but must be based on the implementation of the ordinary skill in the art, when the combination of technical scheme appears contradictory or cannot be implemented, it should be considered that the combination of technical scheme does not exist, also not in the protection scope required by the utility model.

[0023] Reference Figure 1 The control device mainly includes main control chip circuit, microscope light path light adjusting circuit, motor driver circuit and scanning table control circuit, the main control chip circuit is connected with the host computer bidirectionally, the microscope light path light adjusting circuit, the motor driver circuit and the scanning table control circuit are all connected with the main control chip circuit bidirectionally.

[0024] The main control chip circuit is with STM32 chip as the core, connects the host computer, transmits the control signal of the host computer to the microscope light path light adjusting circuit, driver control circuit and scanning table control circuit, so that the control device completes the specified movement, and can transmit the signal of the lower computer to the host computer.

[0025] The microscope light path light adjusting circuit is used for receiving the control signal transmitted by the main control chip circuit and controlling the brightness of the LED in the light path.

[0026] The driver control circuit is used for transmitting the control signal transmitted by the single-chip microcomputer to the corresponding light source switching motor, lens switching motor and lens lifting motor, so as to achieve the functions of switching the microscope light source, switching the microscope lens and controlling the height of the microscope lens.

[0027] The scanning table control circuit is used for transmitting the control signal transmitted by the single-chip microcomputer to the corresponding moving platform linear motor driver, so as to drive the linear motor of the moving platform, thereby achieving the control of the position of the cell plate on the moving platform.

[0028] The scanning microscope control device can effectively reduce the difficulty of manual wiring, reduce the failure rate, effectively improve the work efficiency and reduce the error caused by manual operation.

[0029] The main control chip circuit is directly connected with the upper computer for signal transmission, and the microscope light adjusting circuit, the motor driver circuit and the scanning table control circuit are directly connected with the upper computer, so that the signal transmission is stable and reliable, and the complex wiring is avoided to cause unstable circuit.

[0030] Referring to Figures 2-1 to 2-8 , a principle diagram of the main control chip circuit is shown, wherein, Figure 2-8 is the main control chip, Figures 2-1 to 2-7 is some peripheral circuits of the main control chip circuit, and the peripheral circuits mainly include a first crystal vibration circuit, a second crystal vibration circuit, a serial port connecting circuit, a reset circuit, a power supply circuit, a signal lamp circuit and a decoupling capacitor circuit.

[0031] Figure 2-1 A first crystal vibration circuit is shown, wherein the first crystal vibration circuit includes a capacitor C1, a capacitor C2 and a crystal vibration Y1, the first end of the capacitor C1 and the first end of the capacitor C2 are grounded, the second end of the capacitor C1 is connected with the pin 8 of the main control chip, the second end of the capacitor C2 is connected with the pin 9 of the main control chip, and the crystal vibration Y1 is connected between the second end of the capacitor C1 and the second end of the capacitor C2.

[0032] Figure 2-2 A second crystal vibration circuit is shown, wherein the second crystal vibration circuit includes a capacitor C3, a capacitor C4 and a crystal vibration Y2, the first end of the capacitor C3 and the first end of the capacitor C4 are grounded, the second end of the capacitor C3 is connected with the pin 23 of the main control chip, the second end of the capacitor C4 is connected with the pin 24 of the main control chip, and the resistance R1 and the crystal vibration Y1 are connected in parallel between the second end of the capacitor C3 and the second end of the capacitor C4.

[0033] Figure 2-3A schematic diagram of a serial port connection circuit is shown, which comprises a USB bus adapter chip and a USB chip, pin 1 of the USB bus adapter chip is grounded, pin 4 is grounded through capacitor C5, pin 5 is connected with pin A6 of the USB chip, pin 6 of the USB bus adapter chip is connected with pin A7 of the USB chip, pin 7 of the USB bus adapter chip is grounded through capacitor C6, pin 8 of the USB bus adapter chip is grounded through capacitor C7, a crystal oscillator X1 is connected between pin 7 and pin 8 of the USB bus adapter chip, pin 13 of the USB bus adapter chip outputs a signal pin DTR, the signal pin DTR is connected with the reset circuit, pin 14 of the USB bus adapter chip outputs a signal pin RTS, the signal pin RTS is connected with the reset circuit, pin 16 of the USB bus adapter chip is respectively grounded through capacitor C9, grounded through capacitor C8 and connected with +5V power supply; pin B6 of the USB chip is connected with pin A6 of the USB chip, pin B7 of the USB chip is connected with pin A7 of the USB chip.

[0034] Figure 2-4 A schematic diagram of a reset circuit is shown, which comprises a transistor Q1 and a transistor Q2, the base of the transistor Q1 is connected with the signal pin DTR through resistor R4, the emitter of the transistor Q1 is connected with the signal pin RTS, the emitter of the transistor Q1 is also connected with the base of the transistor Q2 through resistor R5, the emitter of the transistor Q2 is connected with +3.3V power supply, the collector of the transistor Q2 is connected with pin 48 of the master control chip through resistor R6, resistor R7 and resistor R8, the common end of the resistor R6 and the resistor R7 is connected with pin 138 of the master control chip, the common end of the resistor R7 and the resistor R8 is grounded, the collector of the transistor Q1 is connected with +3.3V power supply through resistor R13, the collector of the transistor Q1 is also respectively grounded through voltage stabilizing diode D1 and switch SW1, the common end of the voltage stabilizing diode D1 and the switch SW1 is connected with pin 25 of the master control chip through signal pin RST, the common end of the voltage stabilizing diode D1 and the switch SW1 is also respectively connected with +3.3V power supply through resistor R2 and grounded through capacitor C10.

[0035] Figure 2-5The schematic diagram of the power supply circuit is shown, which includes a linear voltage regulator chip U2, pin 1 of the linear voltage regulator chip U2 is grounded, pin 2 of the linear voltage regulator chip U2 is connected to +3.3V power supply, respectively, through capacitor C12 to ground, through capacitor C11 to ground and through voltage stabilizing diode D2 to ground, pin 2 of the linear voltage regulator chip U2 is connected to pin 4, pin 3 of the linear voltage regulator chip U2 is connected to +5V power supply, pin 3 of the linear voltage regulator chip U2 is also connected to +5V power supply through fuse F1, respectively, and to ground through voltage stabilizing triode D3, and capacitor C13 is connected between pin 1 and pin 3 of the linear voltage regulator chip U2.

[0036] Figure 2-6 The schematic diagram of the signal lamp circuit is shown, which includes light emitting diode D4, light emitting diode D5, resistor R9 and resistor R10, the first end of the resistor R9 and the first end of the resistor R10 are both connected to +3.3V power supply, the second end of the resistor R9 is connected to pin 4 of the master control chip through the light emitting diode D4, and the second end of the resistor R10 is grounded through the light emitting diode D5.

[0037] Figure 2-7 The schematic diagram of the decoupling capacitor circuit is shown, which includes capacitor C13, capacitor C14, capacitor C15, capacitor C16, capacitor C17, capacitor C18, capacitor C19, capacitor C20, capacitor C21, capacitor C22 and capacitor C23 connected in parallel between +3.3V power supply and ground.

[0038] Figure 3 The schematic diagram of the microscope light path dimming circuit is shown, which includes dimming chip U6, pin 2 of the dimming chip U6 is connected to pin 60 of the master control chip through resistor R24, pin 3 of the dimming chip U6 is connected to a common node, resistor R22 is connected between the common node and VLED12V, capacitor C18 is connected between the common node and ground, capacitor C48 is connected between VLED12V and ground, pin 4 of the dimming chip U6 is grounded through resistor R26, pin 5 and pin 6 of the dimming chip U6 are both grounded, pin 7 and pin 8 of the dimming chip U6 are connected, pin 8 of the dimming chip U6 is connected to pin 2 of terminal CN1 through inductor L1, and pin 8 of the dimming chip U6 is also connected to pin 1 of terminal CN1 through voltage stabilizing diode D3.

[0039] The microscope light path dimming circuit takes Hi7012 multifunctional average current type LED constant current driver as the core, accepts the PWM signal transmitted by the single-chip microcomputer, the single-chip microcomputer outputs PWM signals with different pulse widths, and the Hi7012 chip controls the dimming of the LED lamp.

[0040] Figure 4 The schematic diagram of the motor driver circuit is shown, which comprises a driver chip U16, the pin 1 of the driver chip U16 is connected with the pin 4 of the terminal CN4, the pin 2 and the pin 3 of the driver chip U16 are grounded, the pin 4 of the driver chip U16 is connected with the pin 5 of the driver chip U16 through the capacitor C28, the pin 6 of the driver chip U16 is connected with VMM5V through the capacitor C29 and the resistor R22, the pin 8 of the driver chip U16 is grounded through the capacitor C30, the pin 9 and the pin 10 of the driver chip U16 are connected with +3.3V power supply, the pin 11 of the driver chip U16 is grounded, the pin 12 of the driver chip U16 is connected with +3.3V power supply through the resistor R19, the pin 13 of the driver chip U16 is grounded through the resistor R17 and connected with +3.3V power supply through the resistor R18, the pin 14 of the driver chip U16 is connected with the pin 135 of the master control chip, the pin 15 of the driver chip U16 is connected with +3.3V power supply, the pin 16 of the driver chip U16 is connected with the pin 134 of the master control chip, the pin 17 of the driver chip U16 is connected with the sliding rheostat R15, one end of the sliding rheostat R15 is grounded, and the other end is connected with +3.3V power supply through the resistor R16, the pin 18 of the driver chip U16 is grounded, the pin 19 of the driver chip U16 is connected with the pin 133 of the master control chip, the pin 21 of the driver chip U16 is connected with the pin 1 of the terminal CN4, the pin 22 of the driver chip U16 is connected with +9V power supply, the pin 23 of the driver chip U16 is grounded through the resistor R21, the pin 24 of the driver chip U16 is connected with the pin 2 of the terminal CN4, the pin 26 of the driver chip U16 is connected with the pin 3 of the terminal CN4, the pin 27 of the driver chip U16 is grounded through the resistor R20, the pin 28 of the driver chip U16 is connected with the common terminal of the capacitor C29 and the resistor R22, and the pin 29 of the driver chip U16 is grounded.

[0041] The motor driver circuit takes the A4988 driver chip as the core, drives the motor by receiving the pulse signal and the direction signal sent by the upper computer, so as to realize the control of the lens switching motor, the lens lifting motor and the light source switching motor, and realize the fine control of the scanning microscope.

[0042] Figure 5The principle diagram of the scanning table control circuit is shown, the scanning table control circuit includes a photoelectric coupler U1, pin 1 of the photoelectric coupler U1 is connected with a +3.3V power supply through a light emitting diode D7 and a resistor R23, pin 2 of the photoelectric coupler U1 is connected with pin 93 of the master control chip, pin 3 of the photoelectric coupler U1 is grounded, pin 4 of the photoelectric coupler U1 is connected with the gate of a MOS tube Q3 through a resistor R24, the gate of the MOS tube Q3 is connected with a +12V power supply in parallel with a resistor R25, a capacitor C31 and a voltage stabilizing diode D8, the source of the MOS tube Q3 is connected with the +12V power supply, and the drain of the MOS tube is grounded through a diode D9.

[0043] The scanning table control circuit controls the mobile platform through the photoelectric coupler, after the signal transmitted by the host computer reaches, the light emitting diode in the photoelectric coupler is turned on, a light signal is generated, the photoelectric diode in the photoelectric coupler is turned on, +24v and GND are turned on, the MOS tube generates a voltage, the MOS tube is turned on, and the differential module is connected, so that the single-chip microcomputer chip single-end weak current controls 24V strong current, the driver receives the differential pulse signal and the direction signal of +24v, and the linear motor of the mobile platform is controlled.

[0044] The mobile platform control circuit is connected with the master control chip circuit through a single-end connector, receives the reset signal transmitted by the master control chip, drives the linear motor to reset, and realizes the reset of the mobile platform, after the reset is successful, receives the reset success signal generated by the driver, realizes closed-loop control and ensures the control accuracy and the position accuracy.

[0045] The utility model discloses an embodiment provides a scanning microscope control device, containing a master control chip circuit, a microscope light path light adjusting circuit, a motor driver circuit and a scanning table control circuit, the master control chip circuit is used to accept the signal that the host computer sends, and sends the signal to the microscope light path light adjusting circuit, the motor driver circuit and the scanning table control circuit, and accepts the signal that each circuit returns, the microscope light adjusting circuit is used to control and light adjustment after receiving the light adjustment signal that the master control chip circuit sends, the motor driver circuit is used to control the motor through the driver chip after receiving the control signal that the master control chip circuit sends, the scanning table control circuit is used to accept the signal of master control chip, and control scanning table, and accept the position signal that scanning table sends back and give back to the master control chip, through the utility model, realize the efficient, accurate control to scanning microscope.

[0046] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in an embodiment can be referred to the related description of other embodiments.

[0047] While the preferred embodiments of the application have been described, those skilled in the art will recognize that the application can be practiced with modification and alteration within the spirit and scope of the application. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive. The scope of the application is indicated by the appended claims, rather than by the foregoing description.

[0048] Obviously, many modifications and variations of the present application are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims, the application can be practiced otherwise than as specifically described.

Claims

1. A scanning microscope control device, characterized in that, It includes a main control chip circuit, a microscope optical path dimming circuit, a motor driver circuit, and a scanning stage control circuit. The main control chip circuit is bidirectionally connected to the host computer, and the microscope optical path dimming circuit, the motor driver circuit, and the scanning stage control circuit are all bidirectionally connected to the main control chip circuit. The main control chip circuit is used to receive control signals sent by the host computer, the control signals including a first control signal, a second control signal and a third control signal; and to send the first control signal, the second control signal and the third control signal to the microscope optical path dimming circuit, the motor driver circuit and the scanning stage control circuit respectively; The microscope optical path dimming circuit is used to control and dim the dimming lamp according to the first control signal; The motor driver circuit is used to drive the motor according to the second control signal to control the scanning microscope; The scanning stage control circuit is used to control the linear motor driver of the moving platform according to the third control signal, so as to control the position of the cell plate on the moving platform.

2. The scanning microscope control device according to claim 1, characterized in that, The main control chip circuit includes a main control chip and peripheral circuits. The main control chip is connected to each peripheral circuit. The main control chip is an STM32. The peripheral circuits include a first crystal oscillator circuit, a second crystal oscillator circuit, a serial port connection circuit, a reset circuit, a power supply circuit, an indicator light circuit, and a decoupling capacitor circuit.

3. The scanning microscope control device according to claim 2, characterized in that, The first crystal oscillator circuit includes capacitor C1, capacitor C2 and crystal oscillator Y1. The first end of capacitor C1 and the first end of capacitor C2 are both grounded. The second end of capacitor C1 is connected to pin 8 of the main control chip. The second end of capacitor C2 is connected to pin 9 of the main control chip. The crystal oscillator Y1 is connected between the second ends of capacitor C1 and capacitor C2. The second crystal oscillator circuit includes capacitor C3, capacitor C4 and crystal oscillator Y2. The first end of capacitor C3 and the first end of capacitor C4 are both grounded. The second end of capacitor C3 is connected to pin 23 of the main control chip. The second end of capacitor C4 is connected to pin 24 of the main control chip. The resistor R1 and the crystal oscillator Y1 are connected in parallel between the second ends of capacitor C3 and the second ends of capacitor C4.

4. The scanning microscope control device according to claim 2, characterized in that, The serial port connection circuit includes a USB bus adapter chip and a USB chip. Pin 1 of the USB bus adapter chip is grounded, pin 4 is grounded through capacitor C5, pin 5 is connected to pin A6 of the USB chip, pin 6 of the USB bus adapter chip is connected to pin A7 of the USB chip, pin 7 of the USB bus adapter chip is grounded through capacitor C6, pin 8 of the USB bus adapter chip is grounded through capacitor C7, a crystal oscillator X1 is connected between pins 7 and 8 of the USB bus adapter chip, pin 13 of the USB bus adapter chip outputs a signal pin DTR, which is connected to the reset circuit, pin 14 of the USB bus adapter chip outputs a signal pin RTS, which is connected to the reset circuit, pin 16 of the USB bus adapter chip is grounded through capacitor C9, grounded through capacitor C8, and connected to a +5V power supply; pin B6 of the USB chip is connected to pin A6 of the USB chip, and pin B7 of the USB chip is connected to pin A7 of the USB chip.

5. The scanning microscope control device according to claim 4, characterized in that, The reset circuit includes transistors Q1 and Q2. The base of transistor Q1 is connected to the signal pin DTR via resistor R4, and the emitter of transistor Q1 is connected to the signal pin RTS. The emitter of transistor Q1 is also connected to the base of transistor Q2 via resistor R5. The emitter of transistor Q2 is connected to a +3.3V power supply. The collector of transistor Q2 is connected to pin 48 of the main control chip via resistors R6, R7, and R8. The common terminal of resistors R6 and R7 is connected to... Pin 138 of the main control chip is connected to the common terminal of resistors R7 and R8, which are grounded. The collector of transistor Q1 is connected to a +3.3V power supply through resistor R13. The collector of transistor Q1 is also grounded through Zener diode D1 and switch SW1. The common terminal of Zener diode D1 and switch SW1 is connected to pin 25 of the main control chip through signal pin RST. The common terminal of Zener diode D1 and switch SW1 is also connected to a +3.3V power supply through resistor R2 and grounded through capacitor C10.

6. The scanning microscope control device according to claim 2, characterized in that, The power supply circuit includes a linear regulator chip U2. Pin 1 of the linear regulator chip U2 is grounded. Pin 2 of the linear regulator chip U2 is connected to a +3.3V power supply, grounded through capacitor C12, grounded through capacitor C11, and grounded through Zener diode D2. Pin 2 of the linear regulator chip U2 is connected to pin 4. Pin 3 of the linear regulator chip U2 is connected to a +5V power supply. Pin 3 of the linear regulator chip U2 is also connected to a +5V power supply through fuse F1 and grounded through Zener transistor D3. Capacitor C13 is connected between pin 1 and pin 3 of the linear regulator chip U2. The signal light circuit includes LED D4, LED D5, resistor R9, and resistor R10. The first end of resistor R9 and the first end of resistor R10 are both connected to a +3.3V power supply. The second end of resistor R9 is connected to pin 4 of the main control chip through LED D4. The second end of resistor R10 is grounded through LED D5. The decoupling capacitor circuit includes capacitors C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, and C23 connected in parallel between the +3.3V power supply and ground.

7. The scanning microscope control device according to claim 1, characterized in that, The microscope optical path dimming circuit includes a dimming chip U6. Pin 2 of the dimming chip U6 is connected to pin 60 of the main control chip through resistor R24. Pin 3 of the dimming chip U6 is connected to a common node. Resistor R22 is connected between the common node and VLED12V. Capacitor C18 is connected between the common node and ground. Capacitor C48 is connected between VLED12V and ground. Pin 4 of the dimming chip U6 is grounded through resistor R26. Pins 5 and 6 of the dimming chip U6 are both grounded. Pins 7 and 8 of the dimming chip U6 are connected. Pin 8 of the dimming chip U6 is connected to pin 2 of terminal CN1 through inductor L1. Pin 8 of the dimming chip U6 is also connected to pin 1 of terminal CN1 through Zener diode D3.

8. The scanning microscope control device according to claim 1, characterized in that, The motor driver circuit includes a driver chip U16. Pin 1 of the driver chip U16 is connected to pin 4 of terminal CN4. Pins 2 and 3 of the driver chip U16 are both grounded. Pin 4 of the driver chip U16 is connected to pin 5 of the driver chip U16 through capacitor C28. Pin 6 of the driver chip U16 is connected to VMM5V through capacitor C29 and resistor R22. Pin 8 of the driver chip U16 is grounded through capacitor C30. Pins 9 and 10 of the driver chip U16 are connected to a +3.3V power supply. Pin 11 of the driver chip U16 is grounded. Pin 12 of the driver chip U16 is connected to a +3.3V power supply through resistor R19. Pin 13 of the driver chip U16 is grounded through resistor R17 and connected to a +3.3V power supply through resistor R18. Pin 14 of the driver chip U16 is connected to pin 135 of the main control chip. Pin 15 of the driver chip U16 is connected to a +3.3V power supply. Pin 16 of driver chip U16 is connected to pin 134 of the main control chip. Pin 17 of driver chip U16 is connected to sliding rheostat R15. One end of sliding rheostat R15 is grounded, and the other end is connected to a +3.3V power supply through resistor R16. Pin 18 of driver chip U16 is grounded. Pin 19 of driver chip U16 is connected to pin 133 of the main control chip. Pin 21 of driver chip U16 is connected to pin 1 of terminal CN4. Pin 22 of driver chip U16 is connected to a +9V power supply. Pin 23 of driver chip U16 is grounded through resistor R21. Pin 24 of driver chip U16 is connected to pin 2 of terminal CN4. Pin 26 of driver chip U16 is connected to pin 3 of terminal CN4. Pin 27 of driver chip U16 is grounded through resistor R20. Pin 28 of driver chip U16 is connected to the common terminal of capacitor C29 and resistor R22. Pin 29 of driver chip U16 is grounded.

9. The scanning microscope control device according to claim 1, characterized in that, The scanning stage control circuit includes an optocoupler U1. Pin 1 of the optocoupler U1 is connected to a +3.3V power supply through a light-emitting diode D7 and a resistor R23. Pin 2 of the optocoupler U1 is connected to pin 93 of the main control chip. Pin 3 of the optocoupler U1 is grounded. Pin 4 of the optocoupler U1 is connected to the gate of a MOSFET Q3 through a resistor R24. A resistor R25, a capacitor C31, and a Zener diode D8 are connected in parallel between the gate of the MOSFET Q3 and the +12V power supply. The source of the MOSFET Q3 is connected to the +12V power supply, and the drain of the MOSFET is grounded through a diode D9.

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