TW202029604A - Safety roller controller for logistics transmission system including a monitoring circuit, a controller module and a driving circuit electrically connected to a motor - Google Patents

Abstract

The present invention relates to a safety roller controller for a logistics transmission system. The safety roller controller includes a monitoring circuit, a controller module and a driving circuit electrically connected to a motor. The monitoring circuit is electrically connected to the controller module and the driving circuit, and receives a power signal from the driving circuit. The controller module is electrically connected to the driving circuit and receives the power signal, and enables the driving circuit to drive the motor to adjust its speed according to the power signal. When detecting that the power signal is abnormal in real time, the monitoring circuit sends an abnormal signal to the controller module, so that the controller module can immediately reduce the speed of the motor to a safe speed through the driving circuit, in order to prevent the motor from being burned and causing the burning of the safety roller controller of the present invention, thereby improving use stability and safety.

Description

Safety roller controller for logistics transmission system

The invention relates to a roller controller used in a logistics transmission system, in particular to a safety roller controller used in a logistics transmission system.

With the rapid development of e-commerce, many people choose to shop on the Internet and wait for the operators to deliver the goods at home. In this regard, in order to be able to effectively classify a large number of goods, the industry will adopt a logistics transmission system through which the goods are transported for classification, so that the industry can organize the goods for delivery.

For example, there is a logistics transmission system in the prior art, which includes a plurality of active roller controllers, a plurality of motors, and a plurality of rollers. One of the active roller controllers correspondingly controls the rotation of one of the motors to drive the corresponding one through the motor. The rollers rotate, and the active roller controllers are connected in series, and the rollers are arranged at intervals to drive the goods to move on the logistics transmission system, thereby facilitating the transportation of the goods.

When the weight of the goods to be conveyed is too heavy, in order to effectively convey the goods, the speed of the motor needs to be increased, so the current supplied to the motor needs to be increased. However, the above-mentioned active roller controller cannot detect whether the current supplied to the motor exceeds this The current that the motor can load causes the motor to be damaged if the current supplied to the motor is too large, and the active drum controller is also burned out, so it is easy to cause danger in use.

In view of the above-mentioned problems in the prior art, the present invention provides a safety roller controller for a logistics transmission system that detects the power supply to the motor to ensure that when the motor speed is too high, the power supply to the motor is instantly reduced and Limit the speed of the motor to protect the motor and controller immediately to avoid burnout.

In order to achieve the above-mentioned purpose, the technical means adopted is to make the aforementioned safety roller controller for the logistics transmission system to be electrically connected to a motor, and the roller controller includes: A driving circuit electrically connected to the motor; A monitoring circuit, electrically connected to the driving circuit, and receiving a power signal from the driving circuit; A controller module is electrically connected to the monitoring circuit and the drive circuit and receives the power signal. The controller module outputs a motor control signal to the drive circuit according to the power signal, and the drive circuit drives the motor to Adjust the speed; Wherein, when the monitoring circuit detects that the power signal is abnormal in real time, it immediately transmits an abnormal signal to the controller module, and the controller module outputs an emergency protection signal to the drive circuit according to the abnormal signal to instantly The ground drives the motor through the drive circuit to suddenly drop its speed to a safe speed.

It can be seen from the above content that the controller module prioritizes the drive circuit to drive the motor to adjust its speed according to the power signal, as the first protection mechanism to protect the motor, and then real-time monitoring from the drive through the monitoring circuit The power signal received by the circuit, once the power signal is abnormal, the monitoring circuit immediately transmits the abnormal signal to the controller module, so that the controller module can instantly drive the motor through the drive circuit to adjust the speed to the The safe rotation speed is used as a second protection mechanism to protect the motor. With the dual protection mechanism, the motor and the safety roller controller of the present invention can be effectively protected from burning, thereby improving the stability and safety of use.

Regarding the structural block diagram of the preferred embodiment of the safety roller controller for the logistics transmission system of the present invention, please refer to FIG. 1, which includes a driving circuit 11, a controller module 12, and a monitoring circuit 13. The controller module 12 is electrically connected to the driving circuit 11, the monitoring circuit 13, the driving circuit 11 is electrically connected to the monitoring circuit 13 and power is connected to a motor 20, and the monitoring circuit 13 is further electrically connected to supply the safety roller control of the present invention A power supply module 14 for the electrical power of the device. In this embodiment, the motor 20 may be a three-phase motor, and includes U-phase (PHASE_U), V-phase (PHASE_V) and W-phase (PHASE_W) connection terminals. In addition, Figures 2 to 14 of this case are the specific circuit structure and connection relationship of each circuit of the safety roller controller of the present invention. The specific circuit structure, connection relationship and function of the safety roller controller of the present invention will be illustrated below with figures. .

Please refer to FIGS. 1 and 2. In this embodiment, the driving circuit 11 has a plurality of connecting ends to electrically connect the controller module 12, the monitoring circuit 13 and the motor 20. The driving circuit 11 includes six powers. Transistor 111 and a drive circuit protection circuit 112. The power transistors 111 are connected in series in two or two phases to form a three-power transistor string, and the power transistor strings are connected in parallel, and each power transistor string is correspondingly connected to the A phase connection end of the motor 20 is used to drive the motor 20 forward and reverse, and a phase of the motor 20 is separately controlled through the power transistor strings to reduce the operation time of the power transistor 111 The power transistor 111 has a model number of AP0904GMT; the drive circuit protection circuit 112 is used to protect the power transistor 111 from being burnt due to excessive current.

In this embodiment, referring to FIGS. 1 and 3, a motor connection port 15 is further included between the driving circuit 11 and the motor 20, and the driving circuit 11 is electrically connected to the motor 20 through the motor connection port 15 .

Please refer to Figures 1 and 4, in this embodiment, the controller module 12 includes a microcontroller 121 and a signal processor 122. The microcontroller 121 has a plurality of connecting terminals to electrically connect the signal processing The signal processor 22 has a plurality of connecting terminals to electrically connect the monitoring circuit 13 and the driving circuit 11, and the microcontroller 121 receives the driving circuit 11 to output to the motor 20, and output a control signal to the signal processor 122 according to the power signal. The signal processor 122 outputs a motor control signal to the drive circuit 11 according to the control signal, and the drive circuit 11 controls the motor according to the The signal outputs a driving signal to the motor 20 so that the motor 20 can adjust the speed; in this embodiment, the control signal includes a pulse width modulation signal (PWM signal, hereinafter referred to as a PWM signal), and the motor The control signal includes a PWM signal. When the rotation speed of the motor 20 is to be increased, the pulse width of the PWM signal is increased, and when the rotation speed of the motor 20 is to be decreased, the pulse width of the PWM signal is decreased. The model of the microcontroller 121 includes STM32F071VXT6; the model of the signal processor 122 includes MP6535.

Wherein, in order to avoid excessive power output to the motor 20, the first protection mechanism of the safety roller controller of the present invention is that when the microcontroller 121 determines that the power signal is greater than a set value, it outputs a speed reduction control signal To the signal processor 122, the signal processor 122 outputs a speed reduction motor control signal to the driving circuit 11 according to the speed reduction control signal, and the driving circuit 11 outputs a speed reduction driving signal to the driving circuit 11 according to the speed reduction motor control signal The motor 20 is adjusted to reduce the rotation speed of the motor 20 to a set rotation speed, thereby protecting and avoiding the motor 20 from being burnt, and at the same time protecting and preventing the safety roller controller of the present invention from being affected and burned together; in this embodiment Wherein, the power signal includes a current value, and the set value includes 4 amperes (Ampere, A).

Please refer to FIGS. 1 and 5, the monitoring circuit 13 has a plurality of connection terminals for electrically connecting the microcontroller 121, the signal processor 122, and the driving circuit 11 respectively. The monitoring circuit 13 includes a first monitoring circuit 131, which is electrically connected to the driving circuit 11 and the signal processor 122. Since the microcontroller 121 has to process many signals at the same time, when the micro When the controller 121 cannot prompt the drive circuit 11 to drive the motor 20 to reduce the rotation speed according to the power signal, the motor 20 is likely to be burned, and the safety roller controller of the present invention is also affected and burned. Therefore, the safety roller of the present invention The second protection mechanism of the controller is that the monitoring circuit 13 monitors whether the power signal received from the driving circuit 11 and output to the motor 20 is abnormal. The first monitoring circuit 131 has a first comparator 1311, and the second A comparator 1311 compares whether the power signal is greater than an abnormal threshold. When the power signal is greater than the abnormal threshold, the monitoring circuit 13 immediately and urgently outputs an abnormal signal to the signal processor 122, the signal processor 122 According to the abnormal signal, an emergency protection signal is instantly output to the drive circuit 11, and the drive circuit 11 instantly outputs a corresponding drive signal to the motor 20 according to the emergency protection signal, so that the motor 20 suddenly drops its speed to a level. The safe rotation speed is used to protect and prevent the motor 20 from burning, and at the same time to protect and prevent the safety roller controller of the present invention from being affected and burning together; in this embodiment, the abnormal threshold includes 4.2 amperes (Ampere, A).

In addition, the monitoring circuit 13 further includes a second monitoring circuit 132 which is electrically connected to the power supply module 14 and the microcontroller 121 to monitor whether the power supply module 14 is abnormal. The monitoring circuit 132 has a second comparator 1321. The monitoring circuit 13 receives an input power signal from the power module 14, and the second comparator 1321 compares whether the input power signal is greater than an input setting value. If so, then The second monitoring circuit 132 outputs an input power abnormality signal to the microcontroller 121 to stop the microcontroller 121 from operating to avoid burning.

Further, please refer to Figures 1 and 6, in this embodiment, the power module 14 includes a power conversion circuit 141, through which the power conversion circuit 141 converts the power into different voltage values to supply the safety type of the present invention The working power required by the circuits of the roller controller enables the circuits to operate normally.

In this embodiment, please refer to FIGS. 1 and 7, which further includes a sensing circuit 16. The sensing circuit 16 has a plurality of connecting ends to electrically connect the microcontroller 121 and the motor 20. The sensing circuit 16 is used to sense the rotation phase and other states of the motor 20, and a third comparator 161 of the sensing circuit 16 compares and converts the received signals, and outputs a motor state sensing signal to the controller module 12 Processing by the microcontroller 121, the microcontroller 121 sends a corresponding control signal to the signal processor 122 according to the motor state sensing signal, and the signal processor 122 outputs the corresponding motor control signal to the signal processor 122 according to the received control signal The driving circuit 11 drives the motor 20 to change the rotation direction etc. via the driving circuit 11; wherein, the sensing circuit 16 includes a Hall sensing circuit.

Please refer to FIGS. 1 and 8, which further includes a first connection port 17A in this embodiment. The first connection port 17A has a plurality of connection ends, the first connection port 17A is electrically connected to the microcontroller 121 of the controller module 12, and the first connection port 17A is used to electrically connect to other safety roller controllers of the present invention The first connection port 17A has a fourth comparator 171A and a fifth comparator 172A. The received signal is compared and converted by the fourth comparator 171A and the fifth comparator 172A, and then sent to the microcontroller器121 Processing. The first connection port 17A can be an RJ-45 connection port.

In this embodiment, please refer to FIGS. 1 and 9, which further includes a second connection port 17B. The second connection port 17B has a plurality of connection ends, the second connection port 17B is electrically connected to the microcontroller 121 of the controller module 12, and the second connection port 17B is used to electrically connect to other safety roller controllers of the present invention , The second port 17B has a sixth comparator 171B and a seventh comparator 172B, through the sixth comparator 171B, the seventh comparator 172B to compare and convert the received signal, and send it to the microcontroller器121 Processing. The second connection port 17B can be an RJ-45 connection port.

In this embodiment, please refer to FIGS. 1 and 8, which further includes an electric eye connection port 17C. The electric eye connection port 17C has a plurality of connection ends, and is electrically connected to the microcontroller 121 of the controller module 12, the first connection port 17A, and is used to connect an electric eye device for capturing at least one of the electric eye device The state of the electric eye is compared and converted by an eighth comparator 171C of the electric eye connection port 17C, and then output to the microcontroller 121 for processing; the state of the electric eye includes an electric eye health status signal, an electric eye abnormality signal, and an electric eye Lighting brightness signal, etc.

In this embodiment, please refer to Figures 1 and 8, which further includes an input port 17D. The input port 17D has a plurality of connection terminals and a ninth comparator 171D. The input port 17D is electrically connected to the control The microcontroller 121 and the electric eye connection port 17C of the device module 12, the safety roller controller of the present invention is connected to an external electronic device through the input port 17D, so that personnel can pass the external electronic device through the second input port 17D The nine comparator 171D compares and converts the signals for personnel to update the relevant operating program of the microcontroller 121.

In this embodiment, please refer to FIGS. 1 and 10, which further includes an output port 17E. The output port 17E has a plurality of connection terminals and is electrically connected to the microcontroller 121 of the controller module 12. The safety roller controller of the present invention is connected to the external electronic device through the output port 17E, and personnel obtain various parameters of the relevant program executed by the microcontroller 121 through the external electronic device through the output port 17E for reference ,use.

In this embodiment, please refer to Figures 1 and 11, which further includes an auxiliary port 17F. The auxiliary port 17F has a plurality of connection terminals and is electrically connected to the microcontroller 121 of the controller module 12. The invented safety roller controller is connected to a computer device through the auxiliary port 17F, and the microcontroller 121 transmits the electric eye status, motor direction, speed, circuit abnormality signal, etc. to the computer device through the auxiliary port 17F for Reference and use. In addition, personnel can also directly send control signals to the microcontroller 121 through the computer device via the auxiliary port 17F, so that the controller module 12 drives the motor 20 through the drive circuit 11 to change the speed and direction of rotation.

In this embodiment, please refer to FIGS. 1 and 12 again, which further includes a DIP switch module 18. The DIP switch module 18 includes a plurality of DIP switches which are electrically connected to the microcontroller 121. The DIP switches are a first DIP switch 181, a second DIP switch 182, a third DIP switch 183, and a second DIP switch. Four finger dial switch 184, the first finger switch is used to set the timer time and motor speed in the microcontroller 121, and the second finger switch 182 is used to set the lighting brightness, section and motor stop and operation of the electric eye device ; The third finger switch 183 is used to set the motor steering, acceleration and deceleration, the fourth finger switch 184 is used to set the motor's standard torque, high-speed torque or high torque.

In this embodiment, please refer to FIGS. 1 and 13, which further includes a motor brake circuit 19. The motor brake circuit 19 is electrically connected to the microcontroller 121, the microcontroller 121 sends a trigger signal to the motor brake circuit 19, if the microcontroller 121 is connected to the motor brake circuit 19, the motor brake circuit 19 is The trigger signal returns a motor brake signal to the microcontroller 121. When the microcontroller 121 receives the motor brake signal, it needs to send a drive signal to the motor 20 via the signal processor 122 and the drive circuit 11 , So as to start the motor, so that the motor 20 can be in a braking state when there is no operation, so as to avoid the malfunction of the motor 20 to start.

Please refer to Figures 1 and 14, again, the safety roller controller of the present invention is applied to a logistics transport system 100. The logistics transport system 100 includes a plurality of safety roller controllers 101, a plurality of rollers 102, and A plurality of motors (disposed in the drum so it is not shown in the figure), of which, each of the safety-type roller controllers 101 of the present invention is electrically connected to a motor, and the safety-type roller controllers 101 of the present invention adjacent to each other pass through the The first connection port 17A and the second connection port 17B are electrically connected to each other, and the safety roller controller 100 of the present invention controls the operation of the corresponding motor to drive the corresponding roller 101 to rotate, thereby transmitting and placing in the logistics Goods on the system.

According to the above content, the safety roller controller of the present invention dually monitors the power signal supplied to the motor 20, so that when the motor 20 is abnormal, the speed of the motor 20 can be immediately reduced to effectively protect and avoid the motor and the present invention. The drum controller burned out, thereby improving the stability and safety of use.

11: Drive circuit 111: Power Transistor 112: Drive circuit protection circuit 12: Controller module 121: Microcontroller 122: signal processor 13: Monitoring circuit 131: The first monitoring circuit 1311: first comparator 132: Second monitoring circuit 1321: second comparator 14: Power module 141: Power Conversion Circuit 15: Motor connection port 16: Sensing circuit 161: third comparator 17A: The first port 171A: Fourth comparator 172A: Fifth comparator 17B: second port 171B: sixth comparator 172B: seventh comparator 17C: Electric eye connection port 171C: Eighth comparator 17D: Input port 171D: Ninth comparator 17E: Output port 17F: auxiliary port 18: DIP switch module 181: First DIP switch 182: The second thumb switch 183: Third DIP switch 184: Fourth DIP switch 19: Motor brake circuit 20: Motor

Fig. 1 is a block diagram of the structure of a preferred embodiment of the present invention. Figure 2 is a first circuit diagram of a preferred embodiment of the present invention. Figure 3 is a second circuit diagram of the preferred embodiment of the present invention. Figure 4 is the third circuit diagram of the preferred embodiment of the present invention. Figure 5 is a fourth circuit diagram of the preferred embodiment of the present invention. Fig. 6 is a fifth circuit diagram of the preferred embodiment of the present invention. Figure 7 is a sixth circuit diagram of the preferred embodiment of the present invention. Fig. 8 is a seventh circuit diagram of the preferred embodiment of the present invention. Fig. 9 is an eighth circuit diagram of the preferred embodiment of the present invention. Figure 10 is a ninth circuit diagram of the preferred embodiment of the present invention. Figure 11 is a tenth circuit diagram of the preferred embodiment of the present invention. Fig. 12 is the eleventh circuit diagram of the preferred embodiment of the present invention. Figure 13 is a twelfth circuit diagram of a preferred embodiment of the present invention. Figure 14 is a schematic diagram of the application of the preferred embodiment of the present invention.

11: Drive circuit

12: Controller module

121: Microcontroller

122: signal processor

13: Monitoring circuit

14: Power module

15: Motor connection port

16: Sensing circuit

17A: The first port

17B: second port

17C: Electric eye connection port

17D: Input port

17E: Output port

17F: auxiliary port

18: DIP switch module

19: Motor brake circuit

20: Motor

Claims (10)

A safety roller controller used in a logistics transmission system is used to electrically connect a motor. The safety roller controller includes: A driving circuit electrically connected to the motor; A monitoring circuit, electrically connected to the driving circuit, and receiving a power signal from the driving circuit; A controller module is electrically connected to the monitoring circuit and the drive circuit and receives the power signal. The controller module outputs a motor control signal to the drive circuit according to the power signal, and the drive circuit drives the motor to Adjust the speed; Wherein, when the monitoring circuit detects that the power signal is abnormal in real time, it immediately transmits an abnormal signal to the controller module, and the controller module outputs an emergency protection signal to the drive circuit according to the abnormal signal to instantly The ground drives the motor through the drive circuit to suddenly drop its speed to a safe speed. The safety roller controller for a logistics transmission system according to claim 1, wherein the controller module includes a microcontroller and a signal processor, and the microcontroller is electrically connected to the driving circuit and the monitoring circuit And the signal processor, the signal processor is electrically connected to the driving circuit and the monitoring circuit; the microcontroller receives the power signal and determines whether it is greater than a set value, and if the power signal is greater than the set value, it outputs a reduced speed The control signal is provided to the signal processor, and the signal processor outputs a speed reduction motor control signal to the driving circuit according to the speed reduction control signal, so as to drive the motor to reduce its speed to a set speed through the driving circuit. The safety roller controller for a logistics transmission system according to claim 2, wherein the monitoring circuit monitors whether the power signal is greater than an abnormal threshold value, and if the power signal is greater than the abnormal threshold value, it transmits the The abnormal signal is sent to the signal processor, and the signal processor outputs an emergency protection signal to the driving circuit according to the abnormal signal, so as to drive the motor through the driving circuit to suddenly drop its speed to the safe speed. The safety roller controller for a logistics transmission system according to claim 3, wherein the drive circuit includes six power transistors, and two and two phases are connected in series to form a three power transistor string, and the power transistor strings The phases are connected in parallel and electrically connected to the motors respectively. The safety roller controller for a logistics transmission system according to claim 4, further comprising a first connection port electrically connected to the controller module. The safety roller controller for a logistics transmission system according to claim 5, which further includes a second connection port, and the second connection port is electrically connected to the controller module. The safety roller controller for a logistics transmission system according to claim 6, which further includes an electric eye connection port, and the electric eye connection port is electrically connected to the controller module. The safety roller controller for a logistics transmission system according to claim 7, which further includes an input port and an output port, the input port and the output port are respectively electrically connected to the controller module . The safety roller controller for a logistics transmission system according to claim 8, which further includes an auxiliary connection port electrically connected to the controller module. The safety roller controller for a logistics transmission system according to claim 9, which further includes a DIP switch module, and the DIP switch module is electrically connected to the controller module.

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