Scooter speed regulation controller

Abstract

The utility model discloses a scooter speed regulation controller, which relates to the technical field of scooters and comprises a power supply module for supplying power; the motor driving module is used for adjusting the electric energy flowing through the motor module and the auxiliary motor control module according to the current signal fed back by the current detection module; the motor module is used for converting electric energy into kinetic energy; the current detection module is used for carrying out sampling and current comparison on the electric energy current adjusted by the motor driving module; and the rotating speed detection module is used for rotating speed detection and rotating speed comparison and controlling the auxiliary motor control module to provide auxiliary kinetic energy. According to the speed regulation controller of the scooter, the motor driving module completes driving control and speed regulation control on the motor module according to the current detected by the current detection module, the rotating speed detection module detects the rotating speed, the current detection module detects the current, and when the current is large and the rotating speed is low, the speed regulation control is completed. And the automatic control auxiliary motor control module is matched with the motor module to convert input electric energy into kinetic energy.

Description

Technical Field

[0001] The utility model relates to the technical field of scooters, in particular to a scooter speed regulating controller. Background Art

[0002] As one of the favorite sports tools, the scooter has the characteristics of small size and fast moving speed, and is widely used in people's lives. Existing scooters generally adopt single-wheel drive, and the speed adjustment control of the single-wheel motor is completed by a related driving device. The power of the scooter is provided by a single-wheel motor. When the load of the scooter is heavy, it is easy to increase the burden of the single-wheel motor of the scooter and reduce the driving speed of the scooter. It is easy to cause damage to the single-wheel motor in the long run and reduce the service life of the scooter. Therefore, there is room for improvement. Utility Model Content

[0003] The embodiment of the utility model provides a scooter speed regulating controller to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A scooter speed regulating controller includes: a power supply module, a motor drive module, a motor module, a current detection module, a speed detection module and an auxiliary motor control module;

[0006] A power module is used to provide working power and regulate the voltage of the working power;

[0007] a motor drive module connected to the power module, the current detection module, the motor module and the auxiliary motor control module, configured to receive the electric energy regulated by the power module and to regulate the electric energy flowing through the motor module and the auxiliary motor control module according to the current signal fed back by the current detection module, and to output a first level signal;

[0008] A motor module, connected to the power module, for receiving working electric energy provided by the power module and converting the electric energy into kinetic energy through a motor circuit;

[0009] A current detection module, used for sampling and signal amplification processing of the electric energy current regulated by the motor drive module and outputting a current signal, and used for setting a current threshold and outputting a first control signal when the current signal is greater than the current threshold;

[0010] A speed detection module, connected to the current detection module and the power supply module, for detecting the speed and outputting a speed signal, for receiving a first control signal and setting a speed threshold, and outputting a second control signal when the speed threshold is greater than the speed signal;

[0011] The auxiliary motor control module is connected to the rotation speed detection module and the power supply module, and is used to receive the working power provided by the power supply module, and is used to receive the second control signal and the first level signal and convert the power into kinetic energy.

[0012] As a further solution of the utility model: the power supply module includes a power supply, a first capacitor, a first voltage regulator and a second capacitor; the motor drive module includes a motor drive device and a first power tube;

[0013] Preferably, a first end of the power supply is connected to one end of the first capacitor and the first end of the first voltage regulator, a second end of the first voltage regulator is connected to one end of the second capacitor and the power supply end of the motor drive device, a third end of the first voltage regulator, the other end of the first capacitor, the other end of the second capacitor and the second end of the power supply are all grounded, an output end of the motor drive device is connected to the gate of the first power tube, a source of the first power tube is connected to the current detection module, a drain of the first power tube is connected to the motor module, and a control end and a feedback end of the motor drive device are respectively connected to the auxiliary motor control module and the current detection module.

[0014] As a further solution of the utility model: the motor module includes a first diode and a first motor;

[0015] Preferably, the cathode of the first diode is connected to the first end of the first motor and the first end of the power supply, and the anode of the first diode and the second end of the first motor are both connected to the drain of the first power tube.

[0016] As a further solution of the utility model: the current detection module includes a first resistor, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a fifth resistor, a first potentiometer and a second diode;

[0017] Preferably, one end of the first resistor is connected to the source of the first power tube and is connected to the in-phase end of the first operational amplifier and one end of the fifth resistor through the second resistor, the other end of the fifth resistor is grounded, the other end of the first resistor is connected to one end of the third resistor and the ground, the other end of the third resistor is connected to the inverting end of the first operational amplifier and is connected to the output end of the first operational amplifier, the feedback end of the motor drive device and one end of the first potentiometer through the fourth resistor, the slider end and the other end of the first potentiometer are both connected to the cathode of the second diode, and the anode of the second diode is connected to the speed detection module.

[0018] As a further solution of the utility model: the speed detection module includes a speed sensor, a first comparator, a first threshold device and a second switch tube;

[0019] Preferably, the power supply end of the speed sensor is connected to the second end of the first regulator and the collector of the second switch tube, the emitter of the second switch tube is connected to the first power supply end of the first comparator, the ground end of the speed sensor and the ground end of the first comparator are both grounded, the inverting end and the non-inverting end of the first comparator are respectively connected to the output end of the speed sensor and the first threshold device, and the output end of the first comparator is connected to the auxiliary motor control module.

[0020] As a further solution of the utility model: the auxiliary motor control module includes a third diode, a fourth diode, a first switch tube, a first relay, a first relay switch and a second motor;

[0021] Preferably, the anode of the third diode and the anode of the fourth diode are respectively connected to the output end of the first comparator and the control end of the motor drive device, the cathode of the third diode is connected to the cathode of the fourth diode and the base of the first switching tube, the collector of the first switching tube is connected to one end of the first relay, the emitter of the first switching tube is grounded, the other end of the first relay is connected to the second end of the first voltage regulator, the moving end of the first relay switch is connected to the first end of the power supply, the fixed end of the first relay switch is connected to one end of the second motor, and the other end of the second motor is connected to the drain of the first power tube.

[0022] Compared with the prior art, the beneficial effects of the utility model are as follows: the speed regulation controller of the scooter of the utility model is implemented by the motor driving module according to the current detected by the current detection module to complete the drive control and speed regulation control of the motor module, the speed detection module detects the motor speed and sets the speed threshold, and the current detection module sets the current threshold at the same time. When the detected current signal is greater than the current threshold, the speed signal detected by the control is compared with the speed threshold. When the speed signal is less than the speed threshold, the auxiliary motor control module is automatically controlled to cooperate with the motor module to convert the input electrical energy into kinetic energy, thereby improving the carrying capacity and safety of the scooter. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The present invention provides a schematic block diagram of a scooter speed regulation controller.

[0025] Figure 2 A circuit diagram of a scooter speed regulation controller provided in an example of the utility model.

[0026] Figure 3 This is a connection circuit diagram of a speed detection module provided in an example of the utility model. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In one embodiment, see Figure 1 , a scooter speed regulating controller, comprising: a power supply module 1, a motor driving module 2, a motor module 3, a current detection module 4, a speed detection module 5 and an auxiliary motor control module 6;

[0029] Specifically, the power module 1 is used to provide working power and regulate the working power;

[0030] The motor drive module 2 is connected to the power module 1, the current detection module 4, the motor module 3 and the auxiliary motor control module 6, and is used to receive the electric energy regulated by the power module 1 and regulate the electric energy flowing through the motor module 3 and the auxiliary motor control module 6 according to the current signal fed back by the current detection module 4, and is used to output a first level signal;

[0031] The motor module 3 is connected to the power module 1 and is used to receive the working power provided by the power module 1 and convert the power into kinetic energy through the motor circuit;

[0032] The current detection module 4 is used to sample and amplify the electric energy current regulated by the motor drive module 2 and output a current signal, and is used to set a current threshold and output a first control signal when the current signal is greater than the current threshold;

[0033] A speed detection module 5, connected to the current detection module 4 and the power supply module 1, for detecting the speed and outputting a speed signal, for receiving a first control signal and setting a speed threshold, and outputting a second control signal when the speed threshold is greater than the speed signal;

[0034] The auxiliary motor control module 6 is connected to the rotation speed detection module 5 and the power module 1, and is used to receive the working power provided by the power module 1, and is used to receive the second control signal and the first level signal and convert the power into kinetic energy.

[0035] In a specific embodiment, the power supply module 1 can adopt a power supply circuit composed of a power supply, a voltage stabilizer, etc. to provide working power and perform voltage stabilization and filtering on the working power; the motor drive module 2 can be composed of a related motor drive device and a power tube, and the related motor drive device adjusts the conduction degree of the power tube according to the current signal fed back by the current detection module 4, and then completes the speed adjustment work of the motor module 3 and the auxiliary motor control module 6; the motor module 3 can adopt a DC motor, which is used as the main motor and also as the rear drive motor of the scooter, which will not be repeated here; the current detection module 4 can The current detection circuit composed of resistors, operational amplifiers, diodes, etc. can be used to sample, process signals and compare current thresholds of the electric energy current adjusted by the motor drive module 2; the speed detection module 5 can use a speed detection circuit composed of sensors, comparators, etc., can detect the speed of the motor module 3 and compare the detected speed signal with the set speed threshold to determine the speed level; the auxiliary motor control module 6 can use an auxiliary motor control circuit composed of relays, front drive motors, etc., which is controlled by the speed detection module 5 and the motor drive module 2 to complete the drive control of the front drive motor of the scooter.

[0036] In another embodiment, see Figure 1 , Figure 2 and Figure 3 The power module 1 includes a power supply, a first capacitor C1, a first voltage regulator U1 and a second capacitor C2; the motor drive module 2 includes a motor drive device and a first power tube Q1;

[0037] Specifically, a first end of the power supply is connected to one end of the first capacitor C1 and a first end of the first voltage regulator U1, a second end of the first voltage regulator U1 is connected to one end of the second capacitor C2 and a power supply end of the motor drive device, a third end of the first voltage regulator U1, the other end of the first capacitor C1, the other end of the second capacitor C2 and the second end of the power supply are all grounded, an output end of the motor drive device is connected to a gate of the first power tube Q1, a source of the first power tube Q1 is connected to a current detection module 4, a drain of the first power tube Q1 is connected to a motor module 3, and a control end and a feedback end of the motor drive device are respectively connected to an auxiliary motor control module 6 and a current detection module 4.

[0038] In a specific embodiment, the above-mentioned first voltage stabilizer U1 can be an LM317 voltage stabilizer; the above-mentioned motor drive device can be composed of a single-chip microcomputer and an IR2101 driver, and the single-chip microcomputer receives the current signal fed back by the current detection module 4 to output a drive signal, and the IR2101 driver improves the driving ability of the drive signal to drive the conduction degree of the first power tube Q1, and then adjusts the electric energy input to the motor module 3 and the auxiliary motor control module 6, which will not be elaborated here; the above-mentioned first power tube Q1 can be an N-channel field effect tube.

[0039] Further, the motor module 3 includes a first diode D1 and a first motor;

[0040] Specifically, the cathode of the first diode D1 is connected to the first end of the first motor and the first end of the power supply, and the anode of the first diode D1 and the second end of the first motor are both connected to the drain of the first power tube Q1.

[0041] In a specific embodiment, the first motor may be a DC motor, which is used as a rear drive motor of the scooter, and will not be described in detail here.

[0042] Further, the current detection module 4 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first operational amplifier OP1, a fifth resistor R5, a first potentiometer RP1 and a second diode D2;

[0043] Specifically, one end of the first resistor R1 is connected to the source of the first power tube Q1 and is connected to the in-phase end of the first operational amplifier OP1 and one end of the fifth resistor R5 through the second resistor R2, the other end of the fifth resistor R5 is grounded, the other end of the first resistor R1 is connected to one end of the third resistor R3 and the ground, the other end of the third resistor R3 is connected to the inverting end of the first operational amplifier OP1 and is connected to the output end of the first operational amplifier OP1, the feedback end of the motor drive device and one end of the first potentiometer RP1 through the fourth resistor R4, the slider end and the other end of the first potentiometer RP1 are both connected to the cathode of the second diode D2, and the anode of the second diode D2 is connected to the speed detection module 5.

[0044] In a specific embodiment, the first resistor R1 can be used as a current sampling resistor; the first operational amplifier OP1 can select an OP07 operational amplifier to cooperate with the second resistor R2, the third resistor R3, the fourth resistor R4 and the fifth resistor R5 to complete the signal amplification process; the first potentiometer RP1 and the second diode D2 set the current threshold, and when the processed signal is greater than the set current threshold, a high-level signal is output.

[0045] Furthermore, the speed detection module 5 includes a speed sensor U2, a first comparator A1, a first threshold device and a second switch tube VT2;

[0046] Specifically, the power supply end of the speed sensor U2 is connected to the second end of the first voltage regulator U1 and the collector of the second switch tube VT2, the emitter of the second switch tube VT2 is connected to the first power supply end of the first comparator A1, the ground end of the speed sensor U2 and the ground end of the first comparator A1 are both grounded, the inverting end and the non-inverting end of the first comparator A1 are respectively connected to the output end of the speed sensor U2 and the first threshold device, and the output end of the first comparator A1 is connected to the auxiliary motor control module 6.

[0047] In a specific embodiment, the above-mentioned speed sensor U2 can use a Hall sensor to detect the speed of the first motor; the above-mentioned second switch tube VT2 can use an NPN transistor to control the operation of the first comparator A1; the above-mentioned first comparator A1 can use an LM397 comparator to cooperate with the first threshold device to perform speed judgment, wherein the first threshold device provides a speed threshold.

[0048] Further, the auxiliary motor control module 6 includes a third diode D3, a fourth diode D4, a first switch tube VT1, a first relay K1, a first relay switch K1-1 and a second motor;

[0049] Specifically, the anode of the third diode D3 and the anode of the fourth diode D4 are respectively connected to the output end of the first comparator A1 and the control end of the motor drive device, the cathode of the third diode D3 is connected to the cathode of the fourth diode D4 and the base of the first switch tube VT1, the collector of the first switch tube VT1 is connected to one end of the first relay K1, the emitter of the first switch tube VT1 is grounded, the other end of the first relay K1 is connected to the second end of the first voltage regulator U1, the moving end of the first relay switch K1-1 is connected to the first end of the power supply, the fixed end of the first relay switch K1-1 is connected to one end of the second motor, and the other end of the second motor is connected to the drain of the first power tube Q1.

[0050] In a specific embodiment, the first switch tube VT1 can be an NPN transistor; the first relay K1 controls the closing and opening of the first relay switch K1-1 by magnetic attraction, wherein the first relay switch K1-1 can be a normally open switch; the second motor can be a DC motor, which is used as the front drive motor of the scooter, which will not be elaborated here.

[0051] In a scooter speed regulating controller of the present embodiment, the power supply provides working power, the first voltage stabilizer U1, the first capacitor C1 and the second capacitor C2 perform voltage stabilization and filtering processing to provide power for the motor drive device and the speed sensor U2, the first resistor R1 performs current sampling, the first operational amplifier cooperates with the second resistor R2, the third resistor R3, the fourth resistor R4 and the fifth resistor R5 to amplify the signal, the motor drive device adjusts the conduction degree of the first power tube Q1 according to the amplified current signal, and then adjusts the speed of the first motor, when the current signal is greater than the current threshold set by the first potentiometer RP1 and the second diode D2, the second switch tube VT2 is controlled The first comparator A1 compares the speed signal detected by the speed sensor U2 with the speed threshold set by the first threshold device. If the speed signal is less than the speed threshold, the first comparator A1 outputs a high level and controls the first switch tube VT1 to be turned on, so that the first relay K1 controls the first relay switch K1-1 to be closed, so that the motor drive device can control the speed of the first motor and the second motor through the first power tube Q1, that is, control the joint operation of the front-drive motor and the rear-drive motor of the scooter, thereby improving the load-carrying capacity of the scooter. At the same time, the motor drive device can also directly control the first switch tube VT1 to be turned on, so as to control the joint operation of the front-drive motor and the rear-drive motor of the scooter.

[0052] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0053] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A scooter speed adjustment controller, characterized in that: The scooter speed regulation controller includes: a power module, a motor drive module, a motor module, a current detection module, a speed detection module and an auxiliary motor control module; The power supply module is used to provide working power and regulate the voltage of the working power; The motor driving module is connected to the power module, the current detection module, the motor module and the auxiliary motor control module, and is used to receive the electric energy regulated by the power module and regulate the electric energy flowing through the motor module and the auxiliary motor control module according to the current signal fed back by the current detection module, and is used to output a first level signal; The motor module is connected to the power module and is used to receive the working power provided by the power module and convert the power into kinetic energy through the motor circuit; The current detection module is used to sample and amplify the electric energy current regulated by the motor drive module and output a current signal, and is used to set a current threshold and output a first control signal when the current signal is greater than the current threshold; The speed detection module is connected to the current detection module and the power supply module, and is used to detect the speed and output a speed signal, and is used to receive a first control signal and set a speed threshold, and output a second control signal when the speed threshold is greater than the speed signal; The auxiliary motor control module is connected to the rotation speed detection module and the power supply module, and is used to receive the working power provided by the power supply module, and is used to receive the second control signal and the first level signal and convert the power into kinetic energy.

2. A scooter speed adjustment controller according to claim 1, characterized in that: The power supply module includes a power supply, a first capacitor, a first voltage regulator and a second capacitor; the motor drive module includes a motor drive device and a first power tube; The first end of the power supply is connected to one end of the first capacitor and the first end of the first voltage regulator, the second end of the first voltage regulator is connected to one end of the second capacitor and the power supply end of the motor drive device, the third end of the first voltage regulator, the other end of the first capacitor, the other end of the second capacitor and the second end of the power supply are all grounded, the output end of the motor drive device is connected to the gate of the first power tube, the source of the first power tube is connected to the current detection module, the drain of the first power tube is connected to the motor module, and the control end and the feedback end of the motor drive device are respectively connected to the auxiliary motor control module and the current detection module.

3. A scooter speed adjustment controller according to claim 2, characterized in that: The motor module includes a first diode and a first motor; The cathode of the first diode is connected to the first end of the first motor and the first end of the power supply, and the anode of the first diode and the second end of the first motor are both connected to the drain of the first power tube.

4. A scooter speed adjustment controller according to claim 3, characterized in that: The current detection module includes a first resistor, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a fifth resistor, a first potentiometer and a second diode; One end of the first resistor is connected to the source of the first power tube and is connected to the in-phase end of the first operational amplifier and one end of the fifth resistor through the second resistor. The other end of the fifth resistor is grounded. The other end of the first resistor is connected to one end of the third resistor and the ground. The other end of the third resistor is connected to the inverting end of the first operational amplifier and is connected to the output end of the first operational amplifier, the feedback end of the motor drive device and one end of the first potentiometer through the fourth resistor. The slider end and the other end of the first potentiometer are both connected to the cathode of the second diode, and the anode of the second diode is connected to the speed detection module.

5. A scooter speed adjustment controller according to claim 4, characterized in that: The rotation speed detection module includes a rotation speed sensor, a first comparator, a first threshold device and a second switch tube; The power supply end of the speed sensor is connected to the second end of the first regulator and the collector of the second switch tube, the emitter of the second switch tube is connected to the first power supply end of the first comparator, the ground end of the speed sensor and the ground end of the first comparator are both grounded, the inverting end and the non-inverting end of the first comparator are respectively connected to the output end of the speed sensor and the first threshold device, and the output end of the first comparator is connected to the auxiliary motor control module.

6. A scooter speed adjustment controller according to claim 5, characterized in that: The auxiliary motor control module includes a third diode, a fourth diode, a first switch tube, a first relay, a first relay switch and a second motor; The anode of the third diode and the anode of the fourth diode are respectively connected to the output end of the first comparator and the control end of the motor drive device, the cathode of the third diode is connected to the cathode of the fourth diode and the base of the first switch tube, the collector of the first switch tube is connected to one end of the first relay, the emitter of the first switch tube is grounded, the other end of the first relay is connected to the second end of the first voltage stabilizer, the moving end of the first relay switch is connected to the first end of the power supply, the fixed end of the first relay switch is connected to one end of the second motor, and the other end of the second motor is connected to the drain of the first power tube.

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