Curtain motor

Abstract

The present invention provides a curtain-pulling motor, comprising: a motor body and a motor controller, wherein the motor controller is installed in a preset installation slot of the motor body; the motor controller comprises a single-chip microcomputer, a commutation circuit, a voltage conversion circuit, a memory, a phase measurement and control circuit, a digital display circuit, a remote control circuit and a key circuit; wherein the commutation circuit is connected to the single-chip microcomputer, and is used to control the motor to generate a commutation magnetic field when the motor needs to be commutated, so as to control the commutation of the motor; the voltage conversion circuit is connected to the single-chip microcomputer, and the phase measurement and control circuit is connected to the single-chip microcomputer, and is used to detect whether the phase of the external input alternating current is missing; the memory is connected to the single-chip microcomputer, and is used to store control instructions; the digital display circuit is connected to the single-chip microcomputer, and is used to display the output data of the single-chip microcomputer; the remote control circuit is connected to the single-chip microcomputer. The key circuit is connected to the single-chip microcomputer.

Description

Technical Field

[0001] The invention relates to the technical field of motors, and in particular to a curtain-pulling motor. Background Art

[0002] At present, in the process of planting and breeding in greenhouses, because the greenhouse is relatively long, it can provide a greenhouse growth period and increase production in seasons that are not suitable for plant growth. It is mostly used for the cultivation or seedling raising of warm-loving vegetables, flowers, trees and other plants in low-temperature seasons. There are many types of greenhouses, which can be divided into many types according to different roof frame materials, lighting materials, shapes and heating conditions, such as glass greenhouses, plastic greenhouses; single-span greenhouses, multi-span greenhouses; single-roof greenhouses, double-roof greenhouses; heated greenhouses, unheated greenhouses, etc. The greenhouse structure should be sealed and insulated, but it should also be convenient for ventilation and cooling. In actual use, the greenhouse needs to open the cover of the greenhouse for ventilation, sunshade and photosynthesis of plants. If the cover is opened manually, it is time-consuming and laborious. Therefore, in the prior art, motor control is often used to open the cover. Moreover, the existing curtain motor is mostly connected by seven wires, consisting of a power line and a travel control line, and it is manually controlled in terms of control, which is time-consuming and laborious. Summary of the invention

[0003] The invention provides a curtain-pulling motor, which is used to solve the problem that manual labor is required to pull open a covering of a greenhouse, which is time-consuming and labor-intensive.

[0004] A curtain-pulling motor, characterized in that it comprises: a motor body and a motor controller, wherein the motor controller is installed in a preset installation slot of the motor body;

[0005] The motor controller includes a single chip microcomputer, a commutation circuit, a voltage conversion circuit, a memory, a phase measurement and control circuit, a digital display circuit, a remote control circuit and a key circuit; wherein,

[0006] The commutation circuit is connected to the single-chip microcomputer and a three-phase AC power supply, and the commutation circuit is configured to: when the single-chip microcomputer issues a steering instruction, control the motor body to generate a commutation magnetic field to control the commutation of the motor;

[0007] The transformer circuit is connected to the single-chip microcomputer, and the transformer circuit is configured as follows: the transformer circuit is connected to the three-phase AC power supply, and converts the AC power of the three-phase AC power supply into DC power for driving the single-chip microcomputer to operate;

[0008] The phase measurement and control circuit is connected to the single-chip microcomputer, and the phase measurement and control circuit is configured as follows: the phase measurement and control circuit is connected to the three-phase AC power supply, and detects whether the three-phase AC power supply is missing a phase through the control instruction of the single-chip microcomputer;

[0009] The memory is connected to the single chip microcomputer and is used to store control instructions for controlling the operation of the motor;

[0010] The digital display circuit is connected to the single chip microcomputer and is used to display the output data of the single chip microcomputer;

[0011] The remote control circuit is connected to the single-chip microcomputer and is used for connecting an external remote control device, and the remote control device controls the running status of the motor through the remote control circuit and the single-chip microcomputer;

[0012] The key circuit is connected to the single-chip microcomputer and is used to control the single-chip microcomputer to issue control instructions through the key circuit.

[0013] As an embodiment of the present invention: the commutation circuit includes a first relay and a second relay, the first relay is externally connected to a three-phase power supply, and the first relay is also connected to the second relay; wherein,

[0014] One phase of the three-phase power supply is connected to the first relay via a first fuse, and another phase of the three-phase power supply is connected to the first relay via a second fuse;

[0015] The first relay and the second relay are both connected to an auxiliary circuit connected to the single chip microcomputer, and the auxiliary circuit is connected to the single chip microcomputer;

[0016] The auxiliary circuit of the first relay includes: a first diode, a first triode, a first resistor and a second resistor; wherein,

[0017] The positive electrode and the negative electrode of the first diode are respectively connected to the two ends of the first relay, the positive electrode of the first diode is connected to the collector of the first triode, and the emitter and the base of the first triode are connected through the first resistor and the second resistor connected in series;

[0018] The auxiliary circuit of the second relay includes: a second diode, a second triode, a third resistor and a fourth resistor; wherein,

[0019] The positive electrode and the negative electrode of the second diode are respectively connected to the two ends of the second relay, the positive electrode of the second diode is connected to the collector of the second triode, and the emitter and the base of the second triode are connected through the third resistor and the fourth resistor connected in series;

[0020] The first relay has three normally open contacts, the second relay has two normally open contacts, the first diode and the second diode are fast recovery diodes, and the first transistor and the second transistor are N-channel enhancement type network field effect transistors.

[0021] As an embodiment of the present invention: the voltage conversion circuit includes: a transformer, a rectifier bridge, a voltage stabilizer and a first photoelectric coupler; wherein,

[0022] The output end of the transformer is connected to the input end of the rectifier bridge, and the output end of the rectifier bridge is connected to the voltage stabilizer and the first photocoupler respectively;

[0023] The rectifier bridge and the voltage regulator are connected via a third fuse, and the rectifier bridge and the first photoelectric coupler are connected with a third fuse, a Zener diode and a fifth resistor; the output end of the rectifier bridge is connected in parallel with a first capacitor and a first fine-tuning capacitor;

[0024] The output end of the voltage regulator is also grounded by directly connecting a Schottky diode, and the output end of the voltage regulator is respectively connected to the second fine-tuning capacitor and the third fine-tuning capacitor through the first inductor and grounded; the output end of the voltage regulator is connected to the seventh resistor and the eighth resistor in series through the first inductor and grounded, wherein the eighth resistor is connected in parallel with the third capacitor;

[0025] The output end of the first photocoupler is connected to a sixth resistor and a second capacitor.

[0026] As an embodiment of the present invention: the phase measurement and control circuit includes: a second photoelectric coupler, a third diode, a ninth resistor, a tenth resistor, a fourth diode, a thirteenth resistor, a fourth capacitor, a fifth capacitor, a third photoelectric coupler, a fifth diode, a sixth diode, a twelfth resistor, an eleventh resistor and a fourteenth resistor; wherein,

[0027] The positive input terminal of the second photocoupler is connected to a third diode and a ninth resistor in series, the negative input terminal of the second photocoupler is connected to a tenth resistor, and the positive input terminal and the negative input terminal of the second photocoupler are connected in parallel with a fourth diode; the output terminal of the second photocoupler is connected to a thirteenth resistor and a fourth capacitor;

[0028] The positive input terminal of the third photocoupler is connected to a fifth diode and a twelfth resistor in series, the negative input terminal of the third photocoupler is connected to an eleventh resistor, and the positive input terminal and the negative input terminal of the third photocoupler are connected in parallel with a sixth diode; the output terminal of the third photocoupler is connected to a fourteenth resistor and a fifth capacitor.

[0029] As an embodiment of the present invention: the digital display circuit includes a digital tube and a current limiting resistor and an auxiliary circuit connected to the digital tube, wherein:

[0030] The input end and the output end of the digital tube are both connected to a current-limiting resistor;

[0031] The digital tube also includes a plurality of DIG output terminals, and the plurality of DIG output terminals are respectively connected to NPN type silicon tubes; wherein,

[0032] The base and emitter of the NPN silicon tube are connected via two series resistors.

[0033] As an embodiment of the present invention: the remote control circuit includes: a decoder, a MOS field effect transistor, a connector, a fifteenth resistor and a sixteenth resistor; wherein,

[0034] The source and gate of the MOS field effect tube are connected in series through a fifteenth resistor and a sixteenth resistor;

[0035] The fifteenth resistor and the sixteenth resistor are also connected to an NPN type silicon tube, and the base and emitter of the NPN type silicon tube are connected through the series resistors.

[0036] The drain of the MOS field effect tube is connected with a connector, and the connector is also connected with the bases of a plurality of NPN silicon tubes through a resistor.

[0037] As an embodiment of the present invention: the key circuit includes: a key expander and an auxiliary circuit; wherein,

[0038] The key expander is connected to a plurality of the auxiliary circuits, and the auxiliary circuits include a plurality of NPN silicon tubes, and the bases and emitters of the plurality of NPN silicon tubes are connected via series resistors; the collectors of the plurality of NPN silicon tubes are all connected to the single-chip computer, and the collectors of the plurality of NPN silicon tubes are also grounded via resistors.

[0039] As an embodiment of the present invention: the single chip microcomputer, commutation circuit, voltage conversion circuit, memory, phase measurement and control circuit, digital display circuit, remote control circuit and key circuit are sealed by glue potting.

[0040] As an embodiment of the present invention: the memory is connected to the single chip microcomputer and is used to store control instructions for controlling the operation of the motor, and the specific process is as follows:

[0041] Step 1: combine all the control instructions into a set A, which can be expressed as:

[0042] A={a1,a2,…,a n}

[0043] Among them, a i is the i-th control instruction, i=1,2,…,n, and n is the total number of the control instructions;

[0044] The operating states of all the motors are combined into a set B, which can be expressed as:

[0045] B={b1,b2,…,b n}

[0046] Among them, b j is the jth operating state of the motor, j=1, 2, ..., n, and n is the total number of operating states of the motor;

[0047] The running state of the motor refers to the speed of the motor;

[0048] Step 2: Calculate the matching degree between the instructions in set A and the states in set B;

[0049]

[0050] Among them, α ij is the matching degree between the ith control instruction and the jth running state of the motor, a i is the ith control instruction, b j is the operating state of the j-th motor, and f is a mapping function;

[0051] Step 3: Determine whether to store;

[0052] If the matching degree α ij is equal to the preset value, then the instruction a i and the corresponding state b j Packaged together and stored as a storage unit, otherwise not stored.

[0053] The beneficial effects of the present invention are:

[0054] The present invention is used in greenhouses, and is mainly used to control the opening of greenhouse covers or to cover greenhouse covers. It has the functions of energy saving and environmental protection. Compared with the traditional control using 7-wire limit control, the present invention only needs 3 power lines and 1 ground line for the motor, and also saves the dedicated electrical control box, which greatly saves costs for customers.

[0055] The present invention is convenient for debugging and saves labor: in the past, motor debugging required the cooperation of two electrical engineers, but now it can be done by one person holding a remote control, and the debugging is convenient and intuitive (direct display on the digital tube), saving a lot of mechanical operations.

[0056] The control circuit of the present invention is integrally sealed by glue filling, has high safety and reliability, and is more reliable than traditional limit switches.

[0057] The three 380V power lines of the present invention are directly connected without measuring the phase sequence, the circuit outputs the phase sequence by default, and the motor will not have the reverse pulling phenomenon due to wiring problems, which is safer.

[0058] The present invention can be incorporated into the Internet of Things to facilitate real-time control by the owner's mobile phone.

[0059] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0060] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0062] Figure 1 A structural diagram of a composition in an embodiment of the present invention;

[0063] Figure 2 A commutation circuit in an embodiment of the present invention;

[0064] Figure 3 A voltage conversion circuit in an embodiment of the present invention;

[0065] Figure 4 The memory and its peripheral circuits in the embodiment of the present invention;

[0066] Figure 5 The phase measurement and control circuit in the embodiment of the present invention;

[0067] Figure 6 A digital display circuit in an embodiment of the present invention;

[0068] Figure 7 A remote control circuit in an embodiment of the present invention;

[0069] Figure 8 A key circuit in an embodiment of the present invention; DETAILED DESCRIPTION

[0070] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0071] As attached Figure 1 As shown: a curtain-pulling motor includes: a motor body and a motor controller, and the motor controller is installed in a preset installation groove of the motor body; the installation groove of the motor body of the present invention is set at the same position as the rectangular groove of the motor controller in the prior art, and based on the design of the motor controller, the shape of the installation groove will be designed to be circular, rectangular or prismatic according to actual needs.

[0072] The motor controller includes a single chip microcomputer, a commutation circuit, a voltage conversion circuit, a memory, a phase measurement and control circuit, a digital display circuit, a remote control circuit and a key circuit; wherein,

[0073] The single chip microcomputer can be connected to the Internet to control the entire curtain motor through a smart mobile terminal.

[0074] The commutation circuit is connected to the single-chip microcomputer and a three-phase AC power supply, and the commutation circuit is configured to: when the single-chip microcomputer issues a steering instruction, control the motor body to generate a commutation magnetic field to control the commutation of the motor;

[0075] The transformer circuit is connected to the single-chip microcomputer, and the transformer circuit is configured as follows: the transformer circuit is connected to the three-phase AC power supply, and converts the AC power of the three-phase AC power supply into DC power for driving the single-chip microcomputer to operate;

[0076] The phase measurement and control circuit is connected to the single-chip microcomputer, and the phase measurement and control circuit is configured as follows: the phase measurement and control circuit is connected to the three-phase AC power supply, and detects whether the three-phase AC power supply is missing a phase through the control instruction of the single-chip microcomputer;

[0077] like Figure 4 The memory is connected to the single chip microcomputer and is used for storing control instructions; the memory is a volatile memory FM, and a data storage end of the volatile memory FM is externally connected with a parallel resistor and a voltage.

[0078] The digital display circuit is connected to the single chip microcomputer and is used to display the output data of the single chip microcomputer;

[0079] The remote control circuit is connected to the single-chip microcomputer and is used for connecting an external remote control device, and the remote control device controls the running status of the motor through the remote control circuit and the single-chip microcomputer;

[0080] The key circuit is connected to the single-chip microcomputer and is used to control the single-chip microcomputer to issue control instructions through the key circuit.

[0081] The beneficial effect of the present invention is that the present invention is used in a greenhouse, and is mainly used to control the opening of a greenhouse cover or to cover the greenhouse cover. It has energy-saving and environmental protection effects. Compared with the traditional control using 7-wire limit control, the present invention only needs 3 power lines and 1 ground line for the motor, and also saves a dedicated electrical control box, which greatly saves costs for customers.

[0082] Easy debugging and labor-saving: In the past, motor debugging required the cooperation of two electrical engineers, but now it can be done by one person holding a remote control. In addition, debugging is convenient and intuitive (direct display on the digital tube), saving a lot of mechanical operations.

[0083] The control circuit is sealed with glue as a whole, which is safe and reliable, and more reliable than traditional limit switches.

[0084] Three 380V power lines can be directly connected without measuring the phase sequence. The circuit outputs the phase sequence by default. The motor will not reverse and pull the grid due to wiring problems, which is safer.

[0085] It can be integrated into the Internet of Things to facilitate real-time control by the owner's mobile phone.

[0086] As an embodiment of the present invention: Figure 2 As shown, the commutation circuit includes a first relay KA1 and a second relay KA2, the first relay KA1 is externally connected to a three-phase power supply P1, and the first relay KA1 is also connected to the second relay KA2; wherein,

[0087] The first relay KA1 and the second relay KA2 are both connected to an auxiliary circuit connected to the single-chip microcomputer, and the auxiliary circuit is used to receive control instructions from the single-chip microcomputer.

[0088] The auxiliary circuit of the first relay KA1 includes: a first diode D1, a first transistor Q1, a first resistor R1 and a second resistor R2; wherein,

[0089] The positive electrode and negative electrode of the first diode D1 are respectively connected to the two ends of the first relay KA1, the positive electrode of the first diode D1 is connected to the collector of the first triode Q1, and the emitter and base of the first triode Q1 are connected through the first resistor R1 and the second resistor R2 connected in series; the first relay KA1 outputs a single-phase power supply through the control instruction of the single-chip microcomputer. The first relay KA1 receives the first control signal of the single-chip microcomputer.

[0090] The auxiliary circuit of the second relay KA2 includes: a second diode D2, a second transistor Q2, a third resistor R3 and a fourth resistor R4; wherein,

[0091] The anode and cathode of the second diode D2 are respectively connected to the two ends of the second relay KA2, the anode of the second diode D2 is connected to the collector of the second triode Q2, and the emitter and base of the second triode Q2 are connected through the third resistor R3 and the fourth resistor R4 connected in series. The second relay KA2 receives the second control signal of the single chip microcomputer.

[0092] The first relay KA1 has three normally open contacts, the second relay KA2 has two normally open contacts, the first diode D1 and the second diode D2 are fast recovery diodes, the first transistor Q1 and the second transistor Q2 are N-channel enhancement type network field effect transistors. The first relay KA1 and the second relay KA2 realize the commutation control of the motor through different control signals and different contact contact modes;

[0093] When the first relay KA1 is externally connected to the three-phase power supply P1, two phases of the three-phase power supply are connected through the first fuse FU1 and the second fuse FU2 to prevent circuit damage caused by current overflow or excessive voltage.

[0094] The principle of the present invention is that the commutation circuit realizes the commutation of the motor through the control instructions of the single-chip microcomputer; the first relay KA1 in the commutation circuit receives the first relay control signal through the auxiliary circuit, and the second relay KA2 receives the second relay control signal through the auxiliary circuit. The first relay KA1 and the second relay KA2 are connected and cooperate with each other to realize the commutation of the motor.

[0095] The beneficial effects of the present invention are: when the commutation control is realized by two relays, the first relay KA1 has only three input terminals, so three power lines and one ground line can be used to realize the limit control of the motor; compared with the prior art through the travel switch, the number of lines connected to the input terminal is saved, and the two relays cooperate to realize the commutation, and it is unnecessary to install multiple travel switches. In general, the wires and travel switches are saved, and the control commutation of the relay is controlled by the single-chip microcomputer, and the control commutation is more stable.

[0096] As an embodiment of the present invention: Figure 3 As shown, the voltage conversion circuit includes: a transformer L, a rectifier bridge A, a voltage regulator U and a first photocoupler OP1; wherein,

[0097] The output end of the transformer L is connected to the input end of the rectifier bridge A, and the output end of the rectifier bridge A is connected to the voltage regulator U and the first photocoupler OP1 respectively;

[0098] The rectifier bridge A and the voltage regulator U are connected via a third fuse FU3, and the rectifier bridge A and the first photocoupler OP are connected with a third fuse FU3, a Zener diode DT and a fifth resistor R5; the output end of the rectifier bridge A is connected in parallel with a first capacitor C1 and a first fine-tuning capacitor CT1;

[0099] The output end of the voltage regulator U is also grounded by directly connecting the Schottky diode DX, and the output end of the voltage regulator U is respectively connected to the second fine-tuning capacitor CT2 and the third fine-tuning capacitor CT3 through the first inductor I and grounded; the output end of the voltage regulator U is connected to the seventh resistor R7 and the eighth resistor R8 connected in series through the first inductor I and grounded, wherein the eighth resistor R8 is connected in parallel with the third capacitor C3;

[0100] The output end of the first photocoupler OP1 is connected to a sixth resistor R6 and a second capacitor R2 for achieving filtering and current limiting.

[0101] The principle of the present invention is as follows: the voltage conversion circuit of the present invention is firstly transformed by a transformer L, and the alternating current after the transformation is rectified by a rectifier bridge A to obtain direct current; the direct current is connected to a voltage stabilizer U through a third fuse FU3 to achieve voltage stability; the output end of the rectifier bridge A is connected in parallel with a first capacitor C1 and a first fine-tuning capacitor CT1 to achieve filtering and resonant frequency adjustment; the voltage after voltage stabilization is current-limited by a first inductor I and a seventh resistor R7 and an eighth resistor R8; the resonant frequency of the current after the first inductor I is adjusted by a second fine-tuning capacitor CT2 and a third fine-tuning capacitor CT3. The output end of the first photocoupler OP1 is connected with a sixth resistor R6 and a second capacitor R2 to achieve filtering and current limiting.

[0102] The beneficial effect of the present invention is that the present invention adjusts the input AC power into stable DC power that can be output by transforming, rectifying, stabilizing, filtering, fine-tuning the resonant frequency and other operating steps, so as to realize the operation of driving the single-chip microcomputer and other devices.

[0103] As an embodiment of the present invention: Figure 5 As shown, the phase measurement and control circuit includes: a second photoelectric coupler OP2, a third diode D3, a ninth resistor R9, a tenth resistor R10, a fourth diode D4, a thirteenth resistor R13, a fourth capacitor C4, a fifth capacitor C5, a third photoelectric coupler OP3, a fifth diode D5, a sixth diode D6, a twelfth resistor R12, an eleventh resistor R11, and a fourteenth resistor R14; wherein,

[0104] The positive input terminal of the second photocoupler OP2 is connected to a third diode D3 and a seventh resistor R7 in series, the negative input terminal of the second photocoupler OP2 is connected to an eighth resistor R8, and the positive input terminal and the negative input terminal of the second photocoupler OP2 are connected in parallel with a fourth diode D4; the output terminal of the second photocoupler OP2 is connected to a ninth resistor R9 and a fourth capacitor C4.

[0105] The positive input terminal of the third photocoupler OP3 is connected to a fifth diode D5 and a tenth resistor R10 connected in series, the negative input terminal of the third photocoupler OP3 is connected to an eleventh resistor R11, and the positive input terminal and the negative input terminal of the third photocoupler OP3 are connected in parallel with a sixth diode D6; the output terminal of the third photocoupler OP3 is connected to a twelfth resistor R12 and a fifth capacitor C5.

[0106] The principle of the present invention is: through two photoelectric couplers, one of the three AC power supplies of the three-phase power supply is used as the reference input power supply, which is respectively connected to the positive input ends of the two photoelectric couplers, and the other two AC power supplies are respectively connected to the negative input ends of the two photoelectric couplers to achieve amplification of the three-phase power supply. At the same time, the three-phase power of the three-phase power supply can be compared through input to achieve phase loss detection and phase testing.

[0107] The beneficial effects of the present invention are as follows: the present invention realizes real-time monitoring of the phase of the three-phase power supply through phase testing and phase loss detection composed of two photoelectric couplers; and then the monitoring information is input into the single-chip microcomputer, and the single-chip microcomputer outputs display information to obtain the result of whether the three-phase power supply is lacking a phase, thereby performing phase supplementation.

[0108] As an embodiment of the present invention: Figure 6 As shown, the digital display circuit includes: a digital tube S; wherein,

[0109] The input end and the output end of the digital tube S are both connected to a current-limiting resistor;

[0110] The digital tube S also includes a plurality of DIG1 output terminals, each of which is connected to an NPN type silicon tube; wherein,

[0111] The base and emitter of the NPN silicon tube are connected via a series resistor.

[0112] The principle of the present invention is that: the present invention realizes current limiting by connecting resistors to the input and output ends of the digital tube to extend the service life of the digital tube; at the same time, the static working point is determined by connecting auxiliary circuits to multiple DIG1 output ends.

[0113] The beneficial effects of the present invention are as follows: the present invention realizes stable control of the digital tube by the single chip microcomputer by determining the static working voltage of the digital tube; and is used to realize that the curtain-pulling motor can display control information at all times when in use.

[0114] As an embodiment of the present invention: Figure 7 As shown, the remote control circuit includes: a decoder AU, a MOS field effect transistor MS, a connector H, a thirteenth resistor R13 and a fourteenth resistor R14; wherein,

[0115] The source and gate of the MOS field effect transistor MS are connected in series through a thirteenth resistor R13 and a fourteenth resistor 14;

[0116] The thirteenth resistor 13 and the fourteenth resistor 14 are also connected to an NPN type silicon tube, and the base and emitter of the NPN type silicon tube are connected through a series resistor to determine a static operating point.

[0117] The drain of the MOS field effect transistor MS is connected to a connector H, and the connector H is also connected to the bases of a plurality of NPN silicon tubes through resistors.

[0118] The principle of the present invention is that the source and gate of the MOS field effect tube MS are used as a remote control electronic switch through the thirteenth resistor R13 and the fourteenth resistor 14 connected in series, and the bases of multiple NPN silicon tubes are connected through the connector H to receive input signals. The input signal of the external remote control device is decoded by the decoder AU to realize remote control.

[0119] The beneficial effect of the present invention is that the remote control of the curtain motor is realized through the remote control circuit. In the prior art, the motor debugging requires the cooperation of two electrical engineers, but now only one person holding the remote control can do it, and the debugging is convenient and intuitive (direct display on the digital tube), saving a lot of mechanical operations.

[0120] As an embodiment of the present invention: Figure 8 As shown, the key circuit includes: a key expander K; wherein,

[0121] The key expander K is connected to multiple NPN silicon tubes, and the bases and emitters of the multiple NPN silicon tubes are connected through series resistors; the collectors of the multiple NPN silicon tubes are connected to the single-chip computer, and the collectors of the multiple NPN silicon tubes are also grounded through resistors.

[0122] The principle of the present invention is that the key expander K realizes the standardization of the input command of the curtain motor, connects multiple NPN silicon tubes through the case expander, realizes the determination of the static working point of the key circuit, and then controls the curtain motor through the key.

[0123] The beneficial effect of the present invention is that stable mechanical command control of the curtain-pulling motor is realized through the design of the key circuit, making the control more accurate.

[0124] As an embodiment of the present invention: the single chip microcomputer, commutation circuit, voltage conversion circuit, memory, phase measurement and control circuit, digital display circuit, remote control circuit and key circuit are sealed by glue. By sealing the control circuit as a whole with glue, the safety and reliability are high and it is more reliable than the traditional limit switch.

[0125] As an embodiment of the present invention: the memory is connected to the single chip microcomputer and is used to store control instructions for controlling the operation of the motor, and the specific process is as follows:

[0126] Step 1: combine all the control instructions into a set A, which can be expressed as:

[0127] A={a1,a2,…,a n}

[0128] Among them, a i is the i-th control instruction, i=1,2,…,n, and n is the total number of the control instructions;

[0129] The operating states of all the motors are combined into a set B, which can be expressed as:

[0130] B={b1,b2,…,b n}

[0131] Among them, b j is the jth operating state of the motor, j=1, 2, ..., n, and n is the total number of operating states of the motor;

[0132] The running state of the motor refers to the speed of the motor;

[0133] Step 2: Calculate the matching degree between the instructions in set A and the states in set B;

[0134]

[0135] Among them, α ij is the matching degree between the ith control instruction and the jth running state of the motor, a i is the ith control instruction, b j is the operating state of the j-th motor, and f is a mapping function;

[0136] Step 3: Determine whether to store;

[0137] If the matching degree α ij is equal to the preset value, then the instruction a i and the corresponding state b j Packaged together and stored as a storage unit, otherwise not stored.

[0138] Beneficial effect: Through the above technical solution, when the memory stores the control instructions for controlling the operation of the motor, the control instructions are first matched with the motor operating state and stored as a storage unit. This not only allows clear storage, but also allows the matched control instructions to be called out according to the required motor operating state, thereby enabling the single-chip microcomputer to issue consistent control instructions to control the operation of the motor.

[0139] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A curtain motor, characterized in that: include: A motor body and a motor controller, wherein the motor controller is installed in a preset installation slot of the motor body; The motor controller includes a single chip microcomputer, a commutation circuit, a voltage conversion circuit, a memory, a phase measurement and control circuit, a digital display circuit, a remote control circuit and a key circuit; wherein, The commutation circuit is connected to the single-chip microcomputer and a three-phase AC power supply, and the commutation circuit is configured to: when the single-chip microcomputer issues a steering instruction, control the motor body to generate a commutation magnetic field to control the commutation of the motor; The transformer circuit is connected to the single-chip microcomputer, and the transformer circuit is configured as follows: the transformer circuit is connected to the three-phase AC power supply, and converts the AC power of the three-phase AC power supply into DC power for driving the single-chip microcomputer to operate; The phase measurement and control circuit is connected to the single-chip microcomputer, and the phase measurement and control circuit is configured as follows: the phase measurement and control circuit is connected to the three-phase AC power supply, and detects whether the three-phase AC power supply is missing a phase through the control instruction of the single-chip microcomputer; The memory is connected to the single chip microcomputer and is used to store control instructions for controlling the operation of the motor; The digital display circuit is connected to the single chip microcomputer and is used to display the output data of the single chip microcomputer; The remote control circuit is connected to the single-chip microcomputer and is used for connecting an external remote control device, and the remote control device controls the running status of the motor through the remote control circuit and the single-chip microcomputer; The key circuit is connected to the single-chip microcomputer and is used to control the single-chip microcomputer to issue a control instruction through the key circuit; The memory is connected to the single chip microcomputer and is used to store control instructions for controlling the operation of the motor. The specific process is as follows: Step 1: Combine all the control instructions into a set , It is expressed as: in, For the Control instructions, , is the total number of the control instructions; The operating states of all the motors are combined into a set , It is expressed as: in, For the the operating state of the motor, ; is the total number of operating states of the motor; The running state of the motor refers to the speed of the motor; Step 2: Calculate the matching degree between the instructions in set A and the states in set B; in, For the The control instruction The matching degree of the running state of the motor, For the Control instructions, For the the operating state of the motor, is the mapping function; Step 3: Determine whether to store; If the matching is equal to the preset value, the instruction And the corresponding status Packaged together and stored as a storage unit, otherwise not stored.

2. The curtain-pulling motor according to claim 1, characterized in that: The commutation circuit comprises a first relay (KA1) and a second relay (KA2), wherein the first relay (KA1) is externally connected to a three-phase power supply (P1), and the first relay (KA1) is also connected to the second relay (KA2); wherein, One phase of the three-phase power supply (P1) is connected to the first relay (KA1) through a first fuse (FU1), and another phase of the three-phase power supply (P1) is connected to the first relay (KA1) through a second fuse (FU2); The first relay (KA1) and the second relay (KA2) are both connected to an auxiliary circuit, and the auxiliary circuit is connected to the single chip microcomputer; The auxiliary circuit of the first relay (KA1) includes: a first diode (D1), a first transistor (Q1), a first resistor (R1) and a second resistor (R2); wherein, The positive electrode and negative electrode of the first diode (D1) are respectively connected to the two ends of the first relay (KA1), the positive electrode of the first diode (D1) is connected to the collector of the first transistor (Q1), and the emitter and base of the first transistor (Q1) are connected through a first resistor (R1) and a second resistor (R2) connected in series; The auxiliary circuit of the second relay (KA2) comprises: a second diode (D2), a second transistor (Q2), a third resistor (R3) and a fourth resistor (R4); wherein, The positive electrode and negative electrode of the second diode (D2) are respectively connected to the two ends of the second relay (KA2), the positive electrode of the second diode (D2) is connected to the collector of the second triode (Q2), and the emitter and base of the second triode (Q2) are connected via a third resistor (R3) and a fourth resistor (R4) connected in series; The first relay (KA1) has three normally open contacts, the second relay (KA2) has two normally open contacts, the first diode (D1) and the second diode (D2) are fast recovery diodes, and the first transistor (Q1) and the second transistor (Q2) are N-channel enhancement type network field effect transistors.

3. The curtain-pulling motor according to claim 1, characterized in that: The voltage conversion circuit comprises: a transformer (L), a rectifier bridge (A), a voltage stabilizer (U) and a first photoelectric coupler (OP1); wherein, The output end of the transformer (L) is connected to the input end of the rectifier bridge (A), and the output end of the rectifier bridge (A) is respectively connected to the voltage stabilizer (A) and the first photoelectric coupler (OP1); The rectifier bridge (A) and the voltage regulator (U) are connected via a third fuse (FU3); the rectifier bridge (A) and the first photocoupler (OP1) are connected with a third fuse (FU3), a Zener diode (DT) and a fifth resistor (R5); the output end of the rectifier bridge (A) is connected in parallel with a first capacitor (C1) and a first fine-tuning capacitor (CT1); The output end of the voltage regulator (U) is also grounded by directly connecting the Schottky diode (DX), and the output end of the voltage regulator (U) is respectively connected to the second fine-tuning capacitor (CT2) and the third fine-tuning capacitor (CT3) through the first inductor (I) and grounded; the output end of the voltage regulator (U) is connected to the seventh resistor (R7) and the eighth resistor (R8) connected in series through the first inductor (I) and grounded, wherein the eighth resistor (R8) is connected in parallel with the third capacitor (C3); The output end of the first photocoupler (OP1) is connected to a sixth resistor (R6) and a second capacitor (C2).

4. The curtain-pulling motor according to claim 1, characterized in that: The phase measurement and control circuit includes: a second photoelectric coupler (OP2), a third diode (D3), a ninth resistor (R9), a tenth resistor (R10), a fourth diode (D4), a thirteenth resistor (R13), a fourth capacitor (C4), a fifth capacitor (C5), a third photoelectric coupler (OP3), a fifth diode (D5), a sixth diode (D6), a twelfth resistor (R12), an eleventh resistor (R11), and a fourteenth resistor (R14); wherein, The positive input end of the second photoelectric coupler (OP2) is connected to a third diode (D3) and a ninth resistor (R9) connected in series, the negative input end of the second photoelectric coupler (OP2) is connected to a tenth resistor (R10), and the positive input end and the negative input end of the second photoelectric coupler (OP2) are connected in parallel to a fourth diode (D4); the output end of the second photoelectric coupler (OP2) is connected to a thirteenth resistor (R13) and a fourth capacitor (C4); The positive input end of the third photoelectric coupler (OP3) is connected to a fifth diode (D5) and a twelfth resistor (R12) connected in series, the negative input end of the third photoelectric coupler (OP3) is connected to an eleventh resistor (R11), and the positive input end and the negative input end of the third photoelectric coupler (OP3) are connected in parallel with a sixth diode (D6); the output end of the third photoelectric coupler (OP3) is connected to a fourteenth resistor (R14) and a fifth capacitor (C5).

5. The curtain-pulling motor according to claim 1, characterized in that: The digital display circuit comprises a digital tube (S), a current limiting resistor and an auxiliary circuit connected to the digital tube (S); wherein, The input and output ends of the digital tube (S) are both connected to a current-limiting resistor; The digital tube also includes a plurality of DIG output terminals, and the plurality of DIG output terminals are respectively connected to NPN type silicon tubes; wherein, The base and emitter of the NPN silicon tube are connected via two series resistors.

6. The curtain-pulling motor according to claim 1, characterized in that: The remote control circuit includes: a decoder (AU), a MOS field effect transistor (MS), a connector (H), a fifteenth resistor (R15) and a sixteenth resistor (R16); wherein, The source and gate of the MOS field effect transistor (MS) are connected in series via a fifteenth resistor (R15) and a sixteenth resistor (R16); The fifteenth resistor (R15) and the sixteenth resistor (R16) are also connected to an NPN type silicon tube, and the base and emitter of the NPN type silicon tube are connected through the series resistor; The drain of the MOS field effect tube (MS) is connected to a connector (H), and the connector (H) is also connected to the bases of a plurality of NPN silicon tubes through resistors.

7. The curtain-pulling motor according to claim 1, characterized in that: The key circuit comprises: a key expander (K) and an auxiliary circuit; wherein, The key expander (K) is connected to a plurality of the auxiliary circuits, and the auxiliary circuits include a plurality of NPN silicon tubes, the bases and emitters of the plurality of NPN silicon tubes are connected via series resistors; the collectors of the plurality of NPN silicon tubes are connected to the single-chip microcomputer, and the collectors of the plurality of NPN silicon tubes are also grounded via resistors.

8. The curtain-pulling motor according to claim 1, characterized in that: The single chip microcomputer, commutation circuit, voltage conversion circuit, memory, phase measurement and control circuit, digital display circuit, remote controller circuit and key circuit are sealed by integral glue potting.

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