Motor assembly for curtain track

Abstract

An opening is formed in the side face of an upper shell, a belt wheel is arranged in the upper shell, the belt wheel is sleeved with a belt, and the belt is exposed out of the opening; a motor is arranged in the lower shell and connected with a belt wheel through a gearbox, the conveying end of the motor is rotationally connected with a gearbox base, a planet carrier base and a planet carrier cover are arranged in the gearbox, the output end of the motor is exposed out of the planet carrier base, a sun wheel is arranged on the portion, located in the planet carrier base, of the output end of the motor, and a planet wheel is rotationally connected in the planet carrier base. A flat shaft is rotationally connected to the planet carrier cover, a clutch seat is arranged between the planet carrier cover and the gearbox cover, a crank is rotationally connected to the clutch seat, magnetic beads are arranged on the two sides of the crank, an output rod is arranged on the outer side of the crank in a sleeving mode, and the output rod is connected with a belt pulley; the motor is driven by a circuit board, and the circuit board is integrated in the power plug. The invention has the advantages of low failure rate, small volume and lower production and maintenance cost.

Description

Technical Field

[0001] The invention relates to the technical field of motor components, and in particular to a motor component for a curtain track. Background Art

[0002] As people's living standards continue to improve, the demand for smart electronic products is also increasing, especially in the field of smart home. The emergence of smart curtains has greatly facilitated people's home life. It can be controlled by remote control, voice control, mobile phone APP control, remote control, timed control of curtain opening and closing, etc. It not only facilitates people's daily home life, but also improves the overall home decoration level.

[0003] The core component of the electric curtain track is the curtain motor, which is the core component that drives the curtain to run automatically on the track. However, the existing motor components on the market are too large. After installation, the motor is exposed outside the curtain, which is very abrupt, affecting the appearance and reducing the grade of home decoration. Due to the outdated technology of the electric curtain motors commonly used on the market, various manufacturers have already exceeded the protection period, resulting in a low degree of compatibility between the motor and the transmission box of the track and a high failure rate. In addition, when encountering an inward-opening window, the window cannot be opened due to the large size of the motor. In addition, the existing improved electric track small motor components on the market have complex internal structures, low production efficiency and high production costs, and the volume cannot be truly reduced, and the above problems cannot be solved. Summary of the invention

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the present invention is that the existing motor components for curtain tracks have a high failure rate, a large volume, and high production and maintenance costs.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a motor assembly for a curtain track, comprising a motor, an upper shell and a lower shell,

[0008] An opening is provided on the side of the upper shell, a pulley is provided inside the upper shell, a belt is sleeved on the pulley, and the belt is exposed from the opening;

[0009] The lower shell body is provided with a motor, and the motor is connected with the pulley through a gear box, and the gear box comprises a gear box cover, a gear box body and a gear box seat, the conveying end of the motor is rotatably connected with the gear box seat, the gear box body is cooperatively connected with the gear box seat, a planet carrier seat and a planet carrier cover are provided in the gear box body, the planet carrier seat and the planet carrier cover are cooperatively connected, the output end of the motor is exposed in the planet carrier seat, a sun gear is provided on the part of the motor output end located in the planet carrier seat, a planet gear is rotatably connected in the planet carrier seat, the sun gear is meshed with the planet gear, a flat shaft is rotatably connected to the planet carrier cover, a clutch seat is provided between the planet carrier cover and the gear box cover, a crank is rotatably connected to the clutch seat, magnetic beads are provided on both sides of the crank, the flat shaft is connected to the crank, an output rod is sleeved on the outer side of the crank, the output rod is exposed from the gear box cover, and the output rod is connected to the pulley;

[0010] The inner surfaces of the upper shell and the lower shell are smooth planes;

[0011] The motor is driven by a circuit board, the circuit board is integrated inside the power plug, the circuit board is arranged inside the power plug in parallel with the power plug circuit board, and the circuit board drives the two motor components to move.

[0012] Furthermore, a gasket is provided at the connection between the flat shaft and the clutch seat.

[0013] Furthermore, a bearing is provided at the connection between the output rod and the gear box cover.

[0014] Furthermore, the motor is driven by a circuit on a circuit board, and the circuit includes an indicator light circuit, a voltage stabilizing circuit, an intelligent module circuit, a main control position detection circuit, and a drive and current detection circuit.

[0015] Furthermore, the indicator light circuit includes a switch SW and an LED lamp, one end pin of the switch SW is grounded, and the other end pin is connected to one end of the LED lamp through a resistor R4, and the other end of the LED lamp is connected to a power supply and is signal-connected to a main control position detection circuit.

[0016] Furthermore, the voltage stabilizing circuit includes a module IN and a chip U5, pin 1 of the module IN is grounded, pin 2 of the module IN is connected to pin 2 of the chip U5 through a diode D1 and a resistor R7, pin 1 of the chip U5 is grounded, a capacitor C2 is connected between pins 1 and 2 of the chip U5, a capacitor C1 is connected in parallel to the capacitor C2, a capacitor C3 is connected between pins 1 and 3 of the chip U5, pin 3 of the chip U5 is connected to a power supply through capacitors C3 and C4, and the capacitor C2 and one end of the diode D1 are connected to a 12V power supply.

[0017] Furthermore, the intelligent module circuit includes a chip U4, the chip U4 is signal-connected to the main control position detection circuit, and pins 8 and 9 of the chip U4 are connected to the power supply and the ground respectively.

[0018] Furthermore, the main control position detection circuit includes a chip U1, a detector JP1 and an input terminal COM1, pins 8 and 9 of the chip U1 are connected to a power supply, pin 10 of the chip U1 is grounded, a capacitor C5 is connected between pins 8 and 10 of the chip U1, pins 1 and 4 of the output terminal COM1 are connected to a power supply and a ground respectively, pins 2 and 3 of the output terminal COM1 are connected to the chip U1 signal, pins 1 and 2 of the detector JP1 are connected to a power supply and a ground respectively, and pins 3 and 4 of the detector JP1 are connected to the chip U1 signal.

[0019] Furthermore, the driving and current detection circuit includes a chip U3 and a chip U2, wherein pins 1 and 4 of the chip U3 are connected to the ground and the power supply respectively, pin 5 of the chip U3 is connected to the 12V power supply, pins 2 and 3 of the chip U3 are connected to the main control position detection circuit signal, pin 7 of the chip U3 is connected to the main control position detection circuit signal through a resistor R2, both ends of the resistor R2 are grounded through a resistor R1 and a capacitor C6 respectively, and pins 8 and 6 of the chip U3 are connected to the motor M2;

[0020] Pins 1 and 4 of the chip U2 are connected to the ground and power supply respectively, pin 5 of the chip U2 is connected to a 12V power supply, pins 2 and 3 of the chip U2 are connected to the main control position detection circuit signal, pin 7 of the chip U2 is connected to the main control position detection circuit signal through resistor R4, both ends of the resistor R4 are grounded through resistor R5 and capacitor C8 respectively, pin 8 of the chip U2 is connected to the main control position detection circuit signal through diode D2 and resistor R6, the resistor R6 is grounded through capacitor C10 and diode WY2 respectively, pin 8 of the chip U2 is connected to the motor M1, pin 6 of the chip U2 is connected to the main control position detection circuit signal through diode D3, resistor R3, diode WY1 and capacitor C9, the opposite section of the capacitor C9 and diode WY1 is grounded, and pin 6 of the chip U2 is connected to the motor M1.

[0021] Further, the upper shell includes an upper shell and an upper end plate, the lower shell includes a lower shell and a lower end plate, the upper shell is cooperatively connected with the upper end plate, the lower shell is cooperatively connected with the lower end plate, and the upper end plate is clamped with the lower end plate.

[0022] 3. Beneficial Effects

[0023] The advantages of the present invention compared with the prior art are:

[0024] 1. The size of the electric curtain motor is further reduced, the appearance of the electric curtain is improved, and the grade of home decoration is improved;

[0025] 2. Further simplified the internal structure and reduced the product failure rate;

[0026] 3. The specially designed track transmission box improves the compatibility between the motor and the track and reduces the failure rate during use;

[0027] 4. Due to the simple internal design, the production process is simplified, the production efficiency is improved, and the production cost is reduced;

[0028] 5. The sales cost is reduced due to the integrated design of motor and gearbox and the multi-control solution of one circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 An exploded view of the motor of the present invention;

[0030] Figure 2 It is the principle diagram of the indicator light circuit of the present invention;

[0031] Figure 3 It is the principle diagram of the voltage stabilizing circuit of the present invention;

[0032] Figure 4 This is a schematic diagram of the circuit of the intelligent module of the present invention;

[0033] Figure 5 It is the principle diagram of the main control position detection circuit of the present invention;

[0034] Figure 6 The driving and current detection circuit schematic diagram of the present invention;

[0035] Figure 7 The structure of the present invention is schematically shown Figure 1 ;

[0036] Figure 8 The structure of the present invention is schematically shown Figure 2 ;

[0037] Fig. 9 is a schematic diagram of the internal structure of the power plug of the present invention;

[0038] Fig.10 It is a schematic diagram of the connection between the power plug and the motor assembly of the present invention;

[0039] Fig.11 is a cross-sectional view of a motor assembly of the present invention;

[0040] Figure numerals: 1, motor, 2, upper housing, 3, lower housing, 4, pulley, 5, belt, 6, gear box cover, 7, gear box body, 8, gear box seat, 9, planetary carrier seat, 10, planetary carrier cover, 11, sun gear, 12, planetary gear, 13, flat shaft, 14, clutch seat, 15, crank, 16, magnetic beads, 17, output rod, 18, gasket, 19, bearing. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0043] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the invention.

[0045] The present invention will now be further described with reference to the accompanying drawings.

[0046] Example

[0047] Combined with Figure 1 , 7 and 8, a motor assembly for a curtain track, comprising a motor 1, an upper shell 2 and a lower shell 3, wherein the upper shell 2 has an opening on its side, a pulley 4 is disposed inside the upper shell 2, a belt 5 is sleeved on the pulley 4, and the belt 5 is exposed from the opening;

[0048] The lower housing 3 is provided with a motor 1, and the motor 1 is connected to the pulley 4 through a gear box. The gear box includes a gear box cover 6, a gear box body 7 and a gear box seat 8. The delivery end of the motor 1 is rotatably connected to the gear box seat 8. The gear box body 7 is cooperatively connected to the gear box seat 8. A planet carrier seat 9 and a planet carrier cover 10 are provided in the gear box body 7. The planet carrier seat 9 and the planet carrier cover 10 are cooperatively connected. The output end of the motor 1 is exposed in the planet carrier seat 9. A sun gear is provided on the part of the output end of the motor 1 located in the planet carrier seat 9. 11, a planetary gear 12 is rotatably connected in the planetary carrier seat 9, the sun gear 11 is meshed with the planetary gear 12, a flat shaft 13 is rotatably connected to the planetary carrier cover 10, a clutch seat 14 is provided between the planetary carrier cover 10 and the gear box cover 6, a crank 15 is rotatably connected to the clutch seat 14, magnetic beads 16 are provided on both sides of the crank 15, the flat shaft 13 is connected to the crank 15, an output rod 17 is sleeved on the outer side of the crank 15, the output rod 17 is exposed from the gear box cover 6, and the output rod 17 is connected to the pulley 4;

[0049] A gasket 18 is provided at the connection between the flat shaft 13 and the clutch seat 14;

[0050] A bearing 19 is provided at the connection between the output rod 17 and the gear box cover 6 .

[0051] When in use, the speed is reduced and the torque is increased. When the output rod 11 is started as the active input power source by the motor 1, the clutch seat 14 pushes the output rod 17 to output torque. When the motor 1 is not started, the output rod 17 can be freely dragged and rotated in the forward and reverse directions and disconnected from the entire gear train. When the motor 1 works as the active source, the clutch seat 14 pushes the crank 15 and then collides and contacts with the two magnetic beads 16 to push the output rod 17 to do forward and reverse motion to output the load. When the motor 1 is powered off or not started, the two magnetic beads 16 are sucked onto the middle wall of the clutch by the action of the middle crank 15. At this time, the output rod 17 can rotate freely, disengage the meshing tooth groove, and can be reversely clutched. The dragging load is not constrained by the gear motor.

[0052] The motor 1 and the gear box form an integral body, and no gears are required to be added inside the motor housing, and the motor 1 has a small volume and a large torque output; the output rod 17 applies a dragging force in the reverse direction and can be freely engaged or disengaged.

[0053] The motor 1 drives the pulley 4 to rotate through the output rod 17, and the pulley 4 drives the belt 5 to move, thereby driving the curtain assembly connected to the belt 5 to move, thereby realizing the opening and closing of the curtain.

[0054] Combined with Figure 2-6 , the motor is driven by a circuit on a circuit board, the circuit comprising an indicator light circuit, a voltage stabilizing circuit, an intelligent module circuit, a main control position detection circuit and a drive and current detection circuit;

[0055] The indicator light circuit includes a switch SW and an LED lamp, wherein one end of the switch SW is grounded, and the other end is connected to one end of the LED lamp through a resistor R4, and the other end of the LED lamp is connected to a power supply and is connected to a main control position detection circuit signal;

[0056] The voltage stabilizing circuit includes a module IN and a chip U5, wherein pin 1 of the module IN is grounded, pin 2 of the module IN is connected to pin 2 of the chip U5 via a diode D1 and a resistor R7, pin 1 of the chip U5 is grounded, a capacitor C2 is connected between pins 1 and 2 of the chip U5, a capacitor C1 is connected in parallel to the capacitor C2, a capacitor C3 is connected between pins 1 and 3 of the chip U5, pin 3 of the chip U5 is connected to a power supply via capacitors C3 and C4, and a section of the capacitor C2 and the diode D1 are connected to a 12V power supply;

[0057] The intelligent module circuit includes a chip U4, the chip U4 is connected to the main control position detection circuit signal, and the 8th and 9th pins of the chip U4 are connected to the power supply and the ground respectively;

[0058] The main control position detection circuit includes a chip U1, a detector JP1 and an input terminal COM1, pins 8 and 9 of the chip U1 are connected to a power supply, pin 10 of the chip U1 is grounded, a capacitor C5 is connected between pins 8 and 10 of the chip U1, pins 1 and 4 of the output terminal COM1 are connected to a power supply and a ground respectively, pins 2 and 3 of the output terminal COM1 are connected to the chip U1 signal, pins 1 and 2 of the detector JP1 are connected to a power supply and a ground respectively, and pins 3 and 4 of the detector JP1 are connected to the chip U1 signal;

[0059] The driving and current detection circuit includes a chip U3 and a chip U2, wherein pins 1 and 4 of the chip U3 are connected to the ground and the power supply respectively, pin 5 of the chip U3 is connected to the 12V power supply, pins 2 and 3 of the chip U3 are connected to the main control position detection circuit signal, pin 7 of the chip U3 is connected to the main control position detection circuit signal through a resistor R2, both ends of the resistor R2 are grounded through a resistor R1 and a capacitor C6 respectively, and pins 8 and 6 of the chip U3 are connected to the motor M2;

[0060] Pins 1 and 4 of the chip U2 are connected to the ground and power supply respectively, pin 5 of the chip U2 is connected to a 12V power supply, pins 2 and 3 of the chip U2 are connected to the main control position detection circuit signal, pin 7 of the chip U2 is connected to the main control position detection circuit signal through resistor R4, both ends of the resistor R4 are grounded through resistor R5 and capacitor C8 respectively, pin 8 of the chip U2 is connected to the main control position detection circuit signal through diode D2 and resistor R6, the resistor R6 is grounded through capacitor C10 and diode WY2 respectively, pin 8 of the chip U2 is connected to the motor M1, pin 6 of the chip U2 is connected to the main control position detection circuit signal through diode D3, resistor R3, diode WY1 and capacitor C9, the opposite section of the capacitor C9 and diode WY1 is grounded, and pin 6 of the chip U2 is connected to the motor M1.

[0061] The whole circuit consists of 3 boards: power board, main control board, and zero position detection board.

[0062] Power board: converts 220V AC into 12V2A DC to power the entire device, with short circuit protection and overheating protection functions;

[0063] Zero position detection board: 2 zero position detection boards, used to detect the position of the curtain when it is fully opened;

[0064] Main control board: intelligent module signal connection, wireless remote control signal connection, position detection, curtain motor drive, window screen motor drive, current detection, etc.

[0065] 3.3V voltage regulator circuit, used for powering microcontrollers and other chips; intelligent module; used to connect to smart devices and receive control instructions from smart devices; curtain electric drive, current detection, and curtain pulling action recognition.

[0066] The circuit has the characteristics of small size, multi-function, integrated curtain and window screen dual-channel driving and detection control.

[0067] 1 power board supplies power to 2 motors; 1 main control board + 1 chip controls 2 motors to perform intelligent operation of curtains and window screens; reduces product costs and improves production efficiency.

[0068] The lower shell of the traditional electric curtain small motor assembly cannot be truly reduced in size because the gears and circuit boards are all designed inside the motor shell. The lower shell 3 of the motor 1 has no gears or circuit boards except the motor 1. The circuit board is integrated into the power socket, and the sales cost is reduced through the new circuit board multi-control solution.

[0069] The invention and its implementation methods are described, and such description is not restrictive. The drawings show only one implementation method of the invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and implementation method similar to the technical solution without creativity, which should fall within the protection scope of the invention.

Claims

1. A motor assembly for a curtain track, comprising a motor (1), an upper housing (2) and a lower housing (3), characterized in that: An opening is provided on the side of the upper shell (2), a pulley (4) is provided inside the upper shell (2), a belt (5) is sleeved on the pulley (4), and the belt (5) is exposed from the opening; The lower housing (3) is provided with a motor (1), the motor (1) is connected to the pulley (4) via a gear box, the gear box comprises a gear box cover (6), a gear box body (7) and a gear box seat (8), the delivery end of the motor (1) is rotatably connected to the gear box seat (8), the gear box body (7) is cooperatively connected to the gear box seat (8), a planet carrier seat (9) and a planet carrier cover (10) are provided in the gear box body (7), the planet carrier seat (9) and the planet carrier cover (10) are cooperatively connected, the output end of the motor (1) is exposed in the planet carrier seat (9), and a sun gear (10) is provided on the part of the output end of the motor (1) located in the planet carrier seat (9). 1), a planetary gear (12) is rotatably connected inside the planetary carrier seat (9), the sun gear (11) is meshed with the planetary gear (12), a flat shaft (13) is rotatably connected to the planetary carrier cover (10), a clutch seat (14) is provided between the planetary carrier cover (10) and the gear box cover (6), a crank (15) is rotatably connected to the clutch seat (14), magnetic beads (16) are provided on both sides of the crank (15), the flat shaft (13) is connected to the crank (15), an output rod (17) is sleeved on the outer side of the crank (15), the output rod (17) is exposed from the gear box cover (6), and the output rod (17) is connected to the pulley (4); The inner surfaces of the upper shell (2) and the lower shell (3) are smooth planes; The motor (1) is driven by a circuit board, the circuit board is integrated inside the power plug, the circuit board is arranged inside the power plug in parallel with the power plug circuit board, and the circuit board drives the two motor components to move.

2. A motor assembly for a curtain track according to claim 1, characterized in that: A gasket (18) is provided at the connection between the flat shaft (13) and the clutch seat (14).

3. A curtain track motor assembly according to claim 1, characterized in that: A bearing (19) is provided at the connection between the output rod (17) and the gear box cover (6).

4. A curtain track motor assembly according to claim 1, characterized in that: The motor is driven by a circuit on a circuit board, and the circuit includes an indicator light circuit, a voltage stabilizing circuit, an intelligent module circuit, a main control position detection circuit, and a drive and current detection circuit.

5. A curtain track motor assembly according to claim 4, characterized in that: The indicator light circuit includes a switch SW and an LED lamp. One end pin of the switch SW is grounded, and the other end pin is connected to one end of the LED lamp through a resistor R4. The other end of the LED lamp is connected to a power supply and is signal-connected to a main control position detection circuit.

6. A motor assembly for a curtain track according to claim 4, characterized in that: The voltage stabilizing circuit includes a module IN and a chip U5, wherein pin No. 1 of the module IN is grounded, pin No. 2 of the module IN is connected to pin No. 2 of the chip U5 via a diode D1 and a resistor R7, pin No. 1 of the chip U5 is grounded, a capacitor C2 is connected between pins No. 1 and No. 2 of the chip U5, a capacitor C1 is connected in parallel to the capacitor C2, a capacitor C3 is connected between pins No. 1 and No. 3 of the chip U5, pin No. 3 of the chip U5 is connected to a power supply via capacitors C3 and C4, and the capacitor C2 and one end of the diode D1 are connected to a 12V power supply.

7. A curtain track motor assembly according to claim 4, characterized in that: The intelligent module circuit includes a chip U4, and the chip U4 is connected to the main control position detection circuit signal, and the pins 8 and 9 of the chip U4 are connected to the power supply and the ground respectively.

8. The motor assembly for curtain track according to claim 4, characterized in that: The main control position detection circuit includes a chip U1, a detector JP1 and an input terminal COM1, pins 8 and 9 of the chip U1 are connected to a power supply, pin 10 of the chip U1 is grounded, a capacitor C5 is connected between pins 8 and 10 of the chip U1, pins 1 and 4 of the output terminal COM1 are connected to a power supply and a ground respectively, pins 2 and 3 of the output terminal COM1 are connected to the chip U1 signal, pins 1 and 2 of the detector JP1 are connected to a power supply and a ground respectively, and pins 3 and 4 of the detector JP1 are connected to the chip U1 signal.

9. A curtain track motor assembly according to claim 4, characterized in that: The driving and current detection circuit includes a chip U3 and a chip U2, wherein pins 1 and 4 of the chip U3 are connected to the ground and the power supply respectively, pin 5 of the chip U3 is connected to the 12V power supply, pins 2 and 3 of the chip U3 are connected to the main control position detection circuit signal, pin 7 of the chip U3 is connected to the main control position detection circuit signal through a resistor R2, both ends of the resistor R2 are grounded through a resistor R1 and a capacitor C6 respectively, and pins 8 and 6 of the chip U3 are connected to the motor M2; Pins 1 and 4 of the chip U2 are connected to the ground and power supply respectively, pin 5 of the chip U2 is connected to a 12V power supply, pins 2 and 3 of the chip U2 are connected to the main control position detection circuit signal, pin 7 of the chip U2 is connected to the main control position detection circuit signal through resistor R4, both ends of the resistor R4 are grounded through resistor R5 and capacitor C8 respectively, pin 8 of the chip U2 is connected to the main control position detection circuit signal through diode D2 and resistor R6, the resistor R6 is grounded through capacitor C10 and diode WY2 respectively, pin 8 of the chip U2 is connected to the motor M1, pin 6 of the chip U2 is connected to the main control position detection circuit signal through diode D3, resistor R3, diode WY1 and capacitor C9, the opposite section of the capacitor C9 and diode WY1 is grounded, and pin 6 of the chip U2 is connected to the motor M1.

10. The motor assembly for curtain track according to claim 1, characterized in that: The upper shell includes an upper shell and an upper end plate, the lower shell includes a lower shell and a lower end plate, the upper shell is cooperatively connected with the upper end plate, the lower shell is cooperatively connected with the lower end plate, and the upper end plate is clamped with the lower end plate.

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