Lifting control circuit of mobile vegetation growth intelligent monitoring system

Abstract

The utility model provides a lifting control circuit of a mobile vegetation growth intelligent monitoring system. The lifting control circuit comprises a controller, a logic input value processing module, a motor driving module and a power supply module, a first input end and a second input end of the logic input value processing module are respectively connected to a first output end and a second output end of the controller, and a first output end and a second output end of the logic input value processing module are respectively connected to a first logic input end and a second logic input end of the motor driving module; the logic input value processing module is used for adjusting the output of the controller and then transmitting the output to the motor driving module; the first output end of the motor driving module is connected to the first input end of the lifting motor and the first power supply end of the power supply module. The lifting control circuit of the mobile vegetation growth intelligent monitoring system solves the problem that the rotating speed of a motor cannot be controlled in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting control circuit, specifically relates to a mobile vegetation growth intelligent monitoring system lifting control circuit. BACKGROUND

[0002] The mobile vegetation growth intelligent monitoring system is used for detecting vegetation growth elongation, and a lifting drive is arranged in the mobile vegetation growth intelligent monitoring system.

[0003] There are many ways of lifting drive, for example: motor or air cylinder, etc. The motor drive type lifting is more common, and the control of the motor drive type lifting needs to control the rotating speed of the motor or the forward and reverse rotation of the motor, so the motor drive type lifting control circuit is needed.

[0004] A DC brush motor driving circuit is disclosed in a Chinese patent with the application number CN202022961753.2, which comprises: a motor driving circuit, a current signal processing circuit, an alternating component module, a direct current component module, a rotating speed pulse generating circuit; the motor driving circuit is connected with the current signal processing circuit, the current signal processing circuit is connected with the alternating component module and the direct current component module, and the alternating circuit module is connected with the rotating speed pulse generating circuit. The DC brush motor driving circuit can control the forward and reverse rotation of the motor, but cannot control the rotating speed of the motor, which cannot meet the demand. UTILITY MODEL CONTENT

[0005] The utility model provides a mobile vegetation growth intelligent monitoring system lifting control circuit, solves the problem that the rotating speed of the motor cannot be controlled in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the utility model provides a mobile vegetation growth intelligent monitoring system lifting control circuit, which comprises: a controller, a logic input value processing module, a motor driving module and a power supply module; the first input end and the second input end of the logic input value processing module are connected to the first output end and the second output end of the controller respectively, the first output end and the second output end of the logic input value processing module are connected to the first logic input end and the second logic input end of the motor driving module respectively, and the logic input value processing module is used for delivering the output of the controller to the motor driving module after adjustment; the first output end of the motor driving module is connected to the first input end of the lifting motor and the first power supply end of the power supply module, and the second output end of the motor driving module is connected to the second input end of the lifting motor and the second power supply end of the power supply module.

[0007] Preferably, the logic input value processing module comprises: a first amplification unit and a second amplification unit, the first input end and the second input end of the first amplification unit are the first input end and the second input end of the logic input value processing module respectively, the first output end and the second output end of the first amplification unit are connected to the first input end and the second input end of the second amplification unit respectively, and the first input end and the second input end of the second amplification unit are the first output end and the second output end of the logic input value processing module respectively.

[0008] Preferably, the first amplification unit comprises: a dual amplifier U1, the first amplifier input end in the dual amplifier U1 is the first input end of the first amplification unit, and the first amplifier output end in the dual amplifier U1 is the first output end of the first amplification unit; the second amplifier input end in the dual amplifier U1 is the second input end of the first amplification unit, and the second amplifier output end in the dual amplifier U1 is the second output end of the first amplification unit.

[0009] Preferably, the second amplification unit comprises: resistors R1, R2, R3 and R4, the resistors R1 and R2, one end of the resistor R1 and one end of the resistor R2 are connected to a DC power supply VDD-5V, the other end of the resistor R1 is connected to the first end of the resistor R3, the first end of the resistor R3 is the first input end of the second amplification unit, and the second end of the resistor R3 is the first output end of the second amplification unit; the other end of the resistor R2 is connected to the first end of the resistor R4, the first end of the resistor R4 is the second input end of the second amplification unit, and the second end of the resistor R4 is the second output end of the second amplification unit.

[0010] Preferably, the motor driving module adopts a chip in an L298 series.

[0011] Preferably, the power supply module comprises: freewheeling diodes D1, D2, D3, D4 and a capacitor C2, the first input end of the lifting motor E1 is connected to the first output end of the motor driving module, the anode of the freewheeling diode D1 and the cathode of the freewheeling diode D2, the cathodes of the freewheeling diodes D1 and D3 are connected to a DC power supply VIN-12V, the anode of the freewheeling diode D3 is connected to the second input end of the lifting motor E1, the second output end of the motor driving module and the cathode of the freewheeling diode D4, the anodes of the freewheeling diodes D2 and D4 are grounded, the cathode of the freewheeling diode D3 is connected to the positive electrode of the capacitor C2, and the negative electrode of the capacitor C2 is grounded.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] Due to the controller first output end output PE1 signal, the controller second output end output PE2 signal, due to PE1 signal and PE2 signal is small, PE1 signal and PE2 signal is 1v or so size voltage, if directly PE1 signal and PE2 signal are transported to the first logic input end and the second logic input end of motor drive module, the ascending and descending motor E1 speed is too slow, so the application is through setting logic input value processing module, PE1 signal and PE2 signal are adjusted to a certain value, so as to improve the speed of ascending and descending motor E1, meet the needs, at the same time, through setting motor drive module, controller controls whether PE1 signal and PE2 signal output, so as to control ascending and descending motor E1 reverse or positive rotation, realize ascending and descending motor E1 drive reduces or rises, power supply module is to provide enough working voltage for ascending and descending motor E1, ensure that ascending and descending motor E1 can rotate normally.

[0014] The other advantages, objects and features of the present application will be apparent partly from the following description, and will be understood by those skilled in the art partly through research and practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The circuit diagram of the logic input value processing module, the motor drive module and the power supply module in the mobile vegetation growth intelligent monitoring system lifting control circuit. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, purposes and effects realized by the present application more clear and easy to understand, the present application will be further described below in conjunction with the drawings and specific embodiments:

[0017] As shown in Figure 1 The utility model provides a kind of mobile vegetation growth intelligent monitoring system lifting control circuit, comprising: controller, logic input value processing module, motor drive module and power supply module;The first input end and the second input end of logic input value processing module are connected to the first output end and the second output end of controller respectively, the first output end and the second output end of logic input value processing module are connected to the first logic input end and the second logic input end of motor drive module respectively, and logic input value processing module is used to adjust the output of controller and then deliver to motor drive module;The first output end of motor drive module is connected to the first input end of lifting motor and the first power supply end of power supply module, and the second output end of motor drive module is connected to the second input end of lifting motor and the second power supply end of power supply module.

[0018] The logic input value processing module comprises a first amplification unit and a second amplification unit, the first input end and the second input end of the first amplification unit are the first input end and the second input end of the logic input value processing module, the first output end and the second output end of the first amplification unit are connected to the first input end and the second input end of the second amplification unit, and the first input end and the second input end of the second amplification unit are the first output end and the second output end of the logic input value processing module.

[0019] The first amplification unit comprises a dual amplifier U1, the first amplifier input end in the dual amplifier U1 is the first input end of the first amplification unit, the first amplifier output end in the dual amplifier U1 is the first output end of the first amplification unit, the second amplifier input end in the dual amplifier U1 is the second input end of the first amplification unit, and the second amplifier output end in the dual amplifier U1 is the second output end of the first amplification unit. The VCC end of the dual amplifier U1 is connected to a direct current power supply VDD-3.3V, and the GND end of the dual amplifier U1 is grounded.

[0020] The second amplification unit comprises resistors R1, R2, R3 and R4, the resistors R1 and R2, one end of the resistor R1 and one end of the resistor R2 are connected to a direct current power supply VDD-5V, the other end of the resistor R1 is connected to the first end of the resistor R3, the first end of the resistor R3 is the first input end of the second amplification unit, and the second end of the resistor R3 is the first output end of the second amplification unit; the other end of the resistor R2 is connected to the first end of the resistor R4, the first end of the resistor R4 is the second input end of the second amplification unit, and the second end of the resistor R4 is the second output end of the second amplification unit. In the application, first, the first amplifier and the second amplifier in the dual amplifier U1 are used to amplify the PE1 signal and the PE2 signal output by the controller respectively, so that the PE1 signal and the PE2 signal can be preliminarily amplified, but the voltage value after amplification still cannot reach the purpose of improving the rotating speed of the lifting motor E1, therefore, the second amplification unit is designed, the direct current power supply VDD-5V raises the PE1 signal through the resistor R1, and the direct current power supply VDD-5V raises the PE2 signal through the resistor R2, so as to realize that the PE1 signal and the PE2 signal after twice amplification are respectively added to the first logic input end and the second logic input end of the motor driving module, thereby controlling the rotating speed of the lifting motor E1.

[0021] The motor driving module adopts a chip in an L298 series.

[0022] The power supply module comprises: a freewheeling diode D1, a freewheeling diode D2, a freewheeling diode D3, a freewheeling diode D4 and a capacitor C2, the first input end of the lifting motor E1 is connected to the first output end of the motor driving module, the anode of the freewheeling diode D1 and the cathode of the freewheeling diode D2, the cathode of the freewheeling diode D1 and the cathode of the freewheeling diode D3 are connected to the DC power supply VIN-12V, the anode of the freewheeling diode D3 is connected to the second input end of the lifting motor E1, the second output end of the motor driving module and the cathode of the freewheeling diode D4, the anode of the freewheeling diode D2 and the anode of the freewheeling diode D4 are grounded, the cathode of the freewheeling diode D3 is connected to the positive electrode of the capacitor C2, and the negative electrode of the capacitor C2 is grounded. The design of the freewheeling diode D1, the freewheeling diode D2, the freewheeling diode D3 and the freewheeling diode D4 ensures that the motor driving module can control the forward rotation or reverse rotation of the lifting motor E1, and also ensures that the current can flow to the lifting motor E1, so that the lifting motor E1 can work normally.

[0023] The first logic input end IN1, the second logic input end IN2, the first output end OUT1 and the first output end OUT2 of the motor driving module. The VSS end of the motor driving module is connected to the positive electrode of the capacitor C1, and the negative electrode of the capacitor C1 is grounded.

[0024] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A lifting control circuit for a mobile intelligent monitoring system for vegetation growth, characterized in that, include: Controller, logic input value processing module, motor drive module and power supply module; The first input terminal and the second input terminal of the logic input value processing module are respectively connected to the first output terminal and the second output terminal of the controller. The first output terminal and the second output terminal of the logic input value processing module are respectively connected to the first logic input terminal and the second logic input terminal of the motor drive module. The logic input value processing module is used to adjust the output of the controller and send it to the motor drive module. The first output terminal of the motor drive module is connected to the first input terminal of the lifting motor and the first power supply terminal of the power supply module, and the second output terminal of the motor drive module is connected to the second input terminal of the lifting motor and the second power supply terminal of the power supply module.

2. The lifting control circuit of the mobile vegetation growth intelligent monitoring system according to claim 1, characterized in that, The logic input value processing module includes a first amplification unit and a second amplification unit. The first input terminal and the second input terminal of the first amplification unit are respectively the first input terminal and the second input terminal of the logic input value processing module. The first output terminal and the second output terminal of the first amplification unit are respectively connected to the first input terminal and the second input terminal of the second amplification unit. The first input terminal and the second input terminal of the second amplification unit are respectively the first output terminal and the second output terminal of the logic input value processing module.

3. The lifting control circuit of the mobile vegetation growth intelligent monitoring system according to claim 2, characterized in that, The first amplification unit includes: a dual amplifier U1, wherein the input terminal of the first amplifier in the dual amplifier U1 is the first input terminal of the first amplification unit, and the output terminal of the first amplifier in the dual amplifier U1 is the first output terminal of the first amplification unit; In the dual amplifier U1, the input terminal of the second amplifier is the second input terminal of the first amplification unit, and the output terminal of the second amplifier in the dual amplifier U1 is the second output terminal of the first amplification unit.

4. The lifting control circuit of the mobile vegetation growth intelligent monitoring system according to claim 3, characterized in that, The second amplification unit includes resistors R1, R2, R3, and R4. One end of resistors R1 and R2 is connected to a DC power supply VDD-5V. The other end of resistor R1 is connected to the first end of resistor R3, which is the first input terminal of the second amplification unit, and the second end of resistor R3 is the first output terminal of the second amplification unit. The other end of resistor R2 is connected to the first end of resistor R4, which is the second input terminal of the second amplification unit, and the second end of resistor R4 is the second output terminal of the second amplification unit.

5. The lifting control circuit of the mobile vegetation growth intelligent monitoring system according to claim 4, characterized in that, The motor drive module uses the L298 series chip.

6. The lifting control circuit of the mobile vegetation growth intelligent monitoring system according to claim 5, characterized in that, The power supply module includes: freewheeling diodes D1, D2, D3, and D4, and capacitor C2. The first input terminal of the lifting motor E1 is connected to the first output terminal of the motor drive module, the anode of freewheeling diode D1, and the cathode of freewheeling diode D2. The cathodes of freewheeling diodes D1 and D3 are both connected to the DC power supply VIN-12V. The anode of freewheeling diode D3 is connected to the second input terminal of the lifting motor E1, the second output terminal of the motor drive module, and the cathode of freewheeling diode D4. The anodes of freewheeling diodes D2 and D4 are both grounded. The cathode of freewheeling diode D3 is connected to the positive terminal of capacitor C2, and the negative terminal of capacitor C2 is grounded.

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