Electrically controlled opening and closing device

Abstract

An electrically controlled opening and closing device, comprising: a base and an upper cover (20), between which an airtight accommodating space is formed; an electric motor (30) for providing drive power for the electrically controlled opening and closing device; a gear set (40), which comprises an input gear (41), an output gear (42), and a plurality of intermediate gears (43a, 43b, 43c, 43d, 43e) for enabling the output gear (42) to achieve a required rotational speed and torque, wherein the input gear (41) is in keyed connection with a main shaft of the electric motor (30), and an output shaft (44) of the output gear (42) outputs rotational power for the electrically controlled opening and closing device; and an opening and closing limiting mechanism (50), which comprises a potentiometer gear (52) meshed with the output gear (42), a potentiometer gear shaft (51) in keyed connection with the potentiometer gear (52), a first potentiometer (53) and a second potentiometer (54) in keyed connection with the potentiometer gear shaft (51) and disposed on one side of the potentiometer gear (52), and a circuit board (55) in keyed connection with the potentiometer gear shaft (51) and disposed between the first potentiometer (53) and the second potentiometer (54). The first potentiometer (53) and the second potentiometer (54) are arranged at an included angle of 180 degrees relative to each other, thus ensuring that at least one of the two has a continuous resistance variation over the operating stroke of the electrically controlled opening and closing device. An opener / closer for sliding doors / windows which comprises the electrically controlled opening and closing device is further provided. The installation efficiency of the electrically controlled opening and closing device is improved. According to different requirements for output torque, rotation angle, and rotational speed in different application scenarios, a series of modular electrically controlled opening and closing devices can be provided by adjusting the power of the electric motor and the transmission ratio of the gear set through proportional scaling, thereby meeting different requirements of different users.

Description

Electric control opening and closing device TECHNICAL FIELD

[0001] [According to the rules 91 correction 09.07.2024] The present application relates to an opening and closing device, in particular, relates to a rocker arm type electric control opening and closing device, a window opener and a door opener with the electric control opening and closing device. BACKGROUND

[0002] The opening and closing device is a mechanical device commonly used in the mechanical industry to open and close an object, for example, a gate hoist of a hydropower station, a movable door hoist, various electric hoists for mechanical switching devices.

[0003] [According to the rules 91 correction 09.07.2024] With the development of electric control level and the continuous progress of mechatronics, especially the rapid development of AI industry, electric, hydraulic and electric control hoists are more widely used. The development of electric doors and windows (intelligent access control and remote control of home windows) has driven the development of rocker arm type electric control opening and closing devices, and at the same time has put forward higher requirements for them.

[0004] However, the current rocker arm type electric control opening and closing device needs to be improved in terms of working performance, product serialization, installation and debugging convenience and maintenance convenience to meet the market demand. TECHNICAL PROBLEM

[0005] The technical problem to be solved by the present application is to provide a rocker arm type electric control opening and closing device which is convenient to install and debug, convenient to maintain and repair, has a long service life and is suitable for a wider range of applications. TECHNICAL SOLUTION

[0006] To solve the above problems, according to an aspect of the present application, an electrically controlled opening and closing device is provided, comprising: a base; a cover arranged on the base and forming a closed containing space therebetween; an electric motor contained in the containing space and providing driving power for the electrically controlled opening and closing device; a gear set arranged in the containing space and comprising an input gear, an output gear, and a plurality of intermediate gears arranged between the input gear and the output gear, which are meshed with each other to achieve the output gear having a required rotation speed and torque, the input gear being keyed to a main shaft of the electric motor, and an output shaft of the output gear outputting rotation power for the electrically controlled opening and closing device; an opening and closing limiting mechanism arranged in the containing space and comprising a potentiometer gear meshed with the output gear, a potentiometer gear shaft keyed to the potentiometer gear, a first potentiometer and a second potentiometer arranged on one side of the potentiometer gear and keyed to the potentiometer gear shaft, and a circuit board arranged between the first potentiometer and the second potentiometer and keyed to the potentiometer gear shaft. The first potentiometer and the second potentiometer are arranged at an angle of 180 degrees with respect to each other to ensure that at least one of the first potentiometer and the second potentiometer has a continuous resistance change in a working stroke of the electrically controlled opening and closing device.

[0007] According to an embodiment of the present application, the electrically controlled opening and closing device can further comprise a power supply line for supplying power to the circuit board and the electric motor. The power supply line is electrically connected to a direct current power supply of an external device. The power supply of the electrically controlled opening and closing device can be a direct current power supply, such as a storage battery, a UPS, a constant voltage source, etc.

[0008] According to an embodiment of the present application, the electrically controlled opening and closing device can further comprise a plurality of positioning shafts and positioning convexities and concavities arranged on the base or the cover, the plurality of intermediate gears can be rotatably sleeved on the plurality of positioning shafts, and the electric motor can be clamped on the positioning convexities and concavities. The plurality of positioning shafts and the positioning convexities and concavities and the base or the cover can be made of the same industrial plastic material and integrally cast into shape, or they can be made of different materials respectively and then mechanically connected through connecting means, such as threaded connection, plug-in connection, adhesive connection, etc.

[0009] According to an embodiment of the present application, one of the first potentiometer and the second potentiometer is determined to be working in installation and debugging, and the other one is standby. One of the first potentiometer and the second potentiometer is determined to be working by measuring a continuous resistance change in a working stroke of the electrically controlled opening and closing device; if neither of the first potentiometer and the second potentiometer can measure a continuous resistance change in the working stroke of the electrically controlled opening and closing device, the installation position of the output shaft of the output gear is adjusted, and the measurement is repeated.

[0010] According to an embodiment of the present application, the output shaft of the output gear can have a connection end head with a square, rectangular, regular hexagonal or regular octagonal cross-sectional shape. However, embodiments of the present application are not limited thereto, but the output shaft of the output gear can have other output connection modes, such as a pin, a spline, a limiting screw, a clamping, a threaded fastening connection, etc.

[0011] According to the embodiment of the present application, the electrically controlled opening and closing device can further comprise a controller arranged separately from the body, which reads and stores the resistance reading of the first potentiometer or the second potentiometer determined to be working at the opening position. The controller can control the motor to drive the output shaft of the output gear to travel to the opening position, the closing position, and the predetermined position between the two according to the user's selection. According to the arrangement of the controller and the circuit elements on the circuit board in the body, the controller and the body of the electrically controlled opening and closing device can be communicatively connected, wirelessly connected, remotely wirelessly connected, or electrically connected, so as to realize the convenient control of the electrically controlled opening and closing device by the user.

[0012] According to another aspect of the present application, there is provided an opener for a sliding door and window, comprising the electrically controlled opening and closing device as described above. Advantages

[0013] Compared with the prior art, the electrically controlled opening and closing device according to the embodiment of the present application can at least achieve the following advantages:

[0014] 1. In the electrically controlled opening and closing device according to the embodiment of the present application, the base and the upper cover can be respectively cast into shape by the same industrial plastic material, such as injection molding, so that the accommodating space formed after the assembly of the two can be a closed internal cavity, and the motor, the gear, and the gear shaft arranged therein are easy to realize self-alignment assembly, greatly improving the production efficiency and greatly reducing the manufacturing cost.

[0015] 2. The first potentiometer and the second potentiometer are arranged at an angle of 180 degrees, one of which is working and the other is standby. During installation and debugging, one with continuous resistance change in the working stroke is determined as the working potentiometer, and the other is the standby potentiometer. Even if the installation is misaligned during installation and debugging, at least one of the first potentiometer and the second potentiometer has continuous resistance change in the working stroke and is determined as the working potentiometer, while the other is the standby potentiometer. Thus, it is not necessary to disassemble the electrically controlled opening and closing device or adjust the angular position of the output shaft of the output gear, although this is an effective remedy in the case where neither the first potentiometer nor the second potentiometer has continuous resistance change in the working stroke. In this way, the installation efficiency of the electrically controlled opening and closing device is greatly improved, and the labor intensity and work cost are greatly reduced, especially in the case of batch installation.

[0016] 3. According to the different requirements of output torque, angle, and speed according to the application occasion, a series of modular electrically controlled opening and closing devices can be provided by scaling the power of the motor and the gear set transmission ratio, so as to meet the different requirements of different users. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application and not limit the present application.

[0018] Fig. 1 is an exploded perspective view showing the structure of the electrically controlled opening and closing device according to the embodiments of the present application.

[0019] Fig. 2 is a schematic view of the base of the electrically controlled opening and closing device shown in Fig. 1.

[0020] Fig. 3 is a schematic view of the driving, transmission and opening and closing control elements of the electrically controlled opening and closing device shown in Fig. 1.

[0021] Fig. 4 is a schematic view showing the setting relationship of the opening and closing control elements of the electrically controlled opening and closing device according to the embodiments of the present application.

[0022] Fig. 5 is a schematic view showing the pin connection relationship of the first and second potentiometers.

[0023] Fig. 6 is a schematic view showing the application of the electrically controlled opening and closing device according to the embodiments of the present application to the opening and closing of sliding doors and windows. Embodiments of the present application

[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of the present application.

[0025] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the common meanings thereof by those of ordinary skill in the art to which the present application belongs. The terms "first", "second" and similar terms used in the patent application specification and claims of the present application do not represent any order, number or importance, but are only used to distinguish different components. Similarly, the terms "one" or "a" and similar terms do not represent a quantity limitation, but represent the existence of at least one.

[0026] Unless otherwise defined, the electrically controlled opening and closing device, also known as the rocker arm type electrically controlled opening and closing device, electric control or electrically controlled opener, has the same meaning in the context of the present application.

[0027] The embodiments of the present application will be described below in conjunction with the drawings.

[0028] Fig. 1 is an exploded perspective view showing the structure of the electrically controlled opening and closing device according to the embodiment of the present application. Fig. 2 is a schematic view of the base of the electrically controlled opening and closing device shown in Fig. 1. Fig. 3 is a schematic view of the driving, transmission and opening and closing control elements of the electrically controlled opening and closing device shown in Fig. 1. Fig. 4 is a schematic view showing the arrangement of the opening and closing control elements of the electrically controlled opening and closing device according to the embodiment of the present application. Fig. 5 is a schematic view showing the pin connection relationship of the first and second potentiometers.

[0029] Referring to Fig. 1, the electrically controlled opening and closing device according to the embodiment of the present application comprises a base 10, an upper cover 20, an electric motor 30, a gear set 40 and an opening and closing limiting mechanism 50, which are described in detail below.

[0030] As shown in Figs. 1 and 2, the base 10 is the foundation of the electrically controlled opening and closing device, and the upper cover 20 is arranged on the base 10 and forms a closed accommodating space therebetween, which is used to arrange the electric motor 30, the gear set 40 and the opening and closing limiting mechanism 50 to be described in detail below. The base 10 comprises a plurality of recesses 11 arranged on the upper edge thereof, and the upper cover 20 comprises a plurality of protrusions 21 arranged on the lower edge thereof, and the positions of the plurality of recesses 11 correspond to those of the plurality of protrusions 21, thus forming a snap connection for mechanically connecting the base 10 and the upper cover 20 for packaging of the electrically controlled opening and closing device. It should be noted that the embodiment of the present application is not limited thereto, but any connecting means known to those skilled in the art can be used between the base 10 and the upper cover 20, such as bolts and nuts, screws, adhesives, etc.

[0031] As shown in Fig. 2, the base 10 comprises four screw holes 12 arranged at the corners of the two ends, for detachably fixing on the application site by screws. In the case where the application site conditions allow, for example, when applied to a matched sliding door and window, the electrically controlled opening and closing device according to the embodiment of the present application can be engaged on the predetermined position of the application site, thus the screw holes 12 on the base 10 can be omitted.

[0032] As shown in Fig. 1, the electric motor 30 is a driving device for providing the driving power of the electrically controlled opening and closing device. The electric motor 30 is preferably a direct current motor, and the voltage range thereof depends on its use, for example, 6V, 12V, 24V, 48V. For users with constant voltage source, the voltage level of the existing constant voltage source is borrowed as much as possible; for users without ready-made constant voltage source, a 6V, 12V, 24V, 48V constant voltage source can be provided to supply power to the electric motor 30. The rated power of the electric motor 30 can be selected comprehensively according to the transmission ratio and the maximum torque of the electrically controlled opening and closing device.

[0033] As shown in FIGS. 1 and 3, the gear set 40, also referred to as a transmission assembly, includes an input gear 41, an output gear 42, and a plurality of intermediate gears 43a, 43b, 43c, 43d, and 43e disposed between the input gear 41 and the output gear 42, which are engaged with each other to achieve the output gear 42 having a desired rotational speed and torque. The input gear 41 is keyed to the main shaft of the motor 30, and the output shaft 44 of the output gear 42 outputs rotational power to the electrically controlled opening and closing device. It should be noted that the transmission assembly is not limited to the structure of the gear set 40 as shown in the figures, and the plurality of intermediate gears 43a, 43b, 43c, 43d, and 43e are only an example. Those skilled in the art can determine the specific scheme of the transmission assembly according to the specific requirements of the transmission ratio and torque output.

[0034] As shown in FIGS. 1 and 3, the opening and closing limiting mechanism 50, also referred to as a built-in controller, is disposed in the accommodation space and includes a potentiometer gear 52 engaged with the output gear 42, a potentiometer gear shaft 51 keyed to the potentiometer gear 52, a first potentiometer 53 and a second potentiometer 54 keyed to the potentiometer gear shaft 51 and disposed on one side of the potentiometer gear 52, and a circuit board 55 keyed to the potentiometer gear shaft 51 and disposed between the first potentiometer 53 and the second potentiometer 54. The first potentiometer 53 and the second potentiometer 54 are disposed at an angle of 180 degrees with respect to each other to ensure that at least one of the first potentiometer 53 and the second potentiometer 54 has a continuous resistance change over the working stroke of the electrically controlled opening and closing device. It should be noted that the first potentiometer 53 and the second potentiometer 54 are the same potentiometer, but are disposed at an angle of 180 degrees with respect to the axis of the potentiometer gear shaft 51. Alternatively, the first potentiometer 53 and the second potentiometer 54 can be replaced by variable resistors or position sensors. The circuit board 55 includes a flip-flop (not shown) that is turned on or off when the resistance of the first potentiometer 53 or the second potentiometer 54 reaches a predetermined resistance, so that the motor 30 drives the gear set 40 to rotate the output shaft 44 of the output gear 42 to a predetermined position, and vice versa.

[0035] Referring to FIG. 3, according to an embodiment of the present application, the electrically controlled opening and closing device can further include a power supply line 60 for supplying power to the circuit board 55 and the motor 30. The power supply line 60 is electrically connected to a direct current power supply of an external device. The power supply of the electrically controlled opening and closing device can be a direct current power supply, such as a storage battery, a UPS, a constant voltage source, etc. When the voltage of the motor 30 is higher than the voltage of the circuit board 55, the circuit board 55 can be supplied with power after being stepped down by a step-down converter.

[0036] According to embodiments of this application, the electrically controlled opening and closing device may further include multiple positioning shafts 13a, 13b, 13c, 13d, 13e, and 13f and positioning protrusions and recesses 14 disposed on the base 10 or the top cover 20. The input gear 41 and multiple intermediate gears may be rotatably sleeved on the multiple positioning shafts 13a, 13b, 13c, 13d, 13e, and 13f, respectively. The motor 30 may be snapped onto the positioning protrusions and recesses 14. The multiple positioning shafts 13a, 13b, 13c, 13d, 13e, and 13f, the positioning protrusions and recesses 14, and the base 10 or the top cover 20 may be manufactured from the same industrial plastic material and integrally cast. Of course, they may also be manufactured from different materials and then mechanically connected by connection means, such as threaded connection, plug-in connection, or adhesive connection.

[0037] According to an embodiment of this application, one of the first potentiometer 53 and the second potentiometer 54 is determined to be working during installation and debugging, while the other is kept as a backup. The one that continuously changes its resistance value during the working stroke of the electrically controlled opening and closing device is determined to be working. If neither the first potentiometer 53 nor the second potentiometer 54 can be measured to continuously change its resistance value during the working stroke of the electrically controlled opening and closing device, the installation position of the output shaft 44 of the output gear 42 is adjusted, and the measurement is repeated to determine the working position.

[0038] The wiring method of the first potentiometer 53 and the second potentiometer 54 is shown in Figure 5, and the measurement method is detailed in Table 1.

[0039] Table 1

[0040] Name Case 1 Case 2 Case 3 Case 4 A / B Pin Resistance Value Measurement Continuous Measurement Continuous Measurement Interrupted or Jumping Interrupted or Jumping AC Pin Resistance Value Measurement Interrupted or Jumping Continuous Measurement Continuous Measurement Interrupted or Jumping Select Result Potentiometer 53 Numerical Potentiometer 53 Numerical Potentiometer 54 Numerical Program Error, Reset

[0041] As shown in Figure 3, according to an embodiment of this application, the output shaft 44 of the output gear 42 may have a shape-fitting connection end with a cross-sectional shape of square, rectangle, regular hexagon, or regular octagon. However, the embodiments of this application are not limited to this, and the output shaft 44 of the output gear 42 may have other output connection methods, such as pins, splines, limit screws, snap-fit ​​connections, threaded fastening connections, etc.

[0042] According to the embodiment of the present application, the electrically controlled opening and closing device can further comprise a controller arranged separately from the body, which reads and stores the resistance reading of the first potentiometer 53 or the second potentiometer 54 determined to be working at the open position. The controller can control the motor 30 to drive the output shaft 44 of the output gear 42 to travel to the open position, the closed position, and the predetermined position between the two according to the user's selection. According to the arrangement of the controller and the circuit elements on the circuit board 55 in the body, the controller and the body of the electrically controlled opening and closing device can be communicatively connected, wirelessly connected, remotely wirelessly connected, or electrically connected, so as to realize the convenient control of the electrically controlled opening and closing device by the user. In addition, the controller can be a control switch, a remote controller, or a remote control APP integrated on a mobile phone.

[0043] [Corrected according to Rule 91 on 09.07.2024] FIG. 6 is a schematic view of the application of the electrically controlled opening and closing device according to the embodiment of the present application to the opening and closing of a sliding window.

[0044] As shown in FIG. 6, according to another aspect of the present application, there is provided an opener for a sliding door window, which comprises the electrically controlled opening and closing device as described above.

[0045] As shown in FIG. 6, the opener for a sliding door window comprises the electrically controlled opening and closing device 1 as described above, a rocker arm 70 that is shaped to cooperate with the output shaft 44 of the electrically controlled opening and closing device 1, and a sliding block sliding rail 80 that is hingedly connected to the rocker arm 70, the electrically controlled opening and closing device 1 is installed on the upper frame of the sliding window, and the sliding rail of the sliding block sliding rail 80 is installed on the upper edge frame of the door window, so that the electrically controlled opening and closing device 1, the rocker arm 70, the sliding block, and the sliding rail fixed on the upper edge frame form a four-bar mechanism. When the electrically controlled opening and closing device 1 moves from the open position to the closed position, the sliding door window is driven to close; conversely, when the electrically controlled opening and closing device 1 moves from the closed position to the open position, the sliding door window is driven to open. When the electrically controlled opening and closing device 1 has multiple opening and closing positions, the window can be opened at any predetermined position or fully closed.

[0046] The application of the electrically controlled opening and closing device according to the embodiment of the present application is not limited to the opening and closing of sliding door windows, but can be applied to many other products that are opened and closed by a rocker arm, and thus the applications that can be easily thought of by those skilled in the art are also within the protection scope of the present patent application.

[0047] Compared with the prior art, the electrically controlled opening and closing device according to the embodiment of the present application can at least achieve the following beneficial effects:

[0048] 1. In the electrically controlled opening and closing device according to the embodiments of the present application, the base 10 and the upper cover 20 can be respectively casted by the same industrial plastic material, such as injection molding, so that the accommodating space formed after the assembly of the two can be a closed cavity, and the motor 30, the gear and the gear shaft and the like arranged in the cavity can be easily self-aligned, greatly improving the production efficiency and greatly reducing the manufacturing cost.

[0049] 2. The first potentiometer 53 and the second potentiometer 54 are arranged at an angle of 180 degrees, one working and the other standby. In the installation and debugging, one with continuous resistance change in the working stroke is determined as the working potentiometer, and the other as the standby potentiometer. In the installation and debugging, even if the installation is misaligned, at least one of the first potentiometer 53 and the second potentiometer 54 has continuous resistance change in the working stroke and is determined as the working potentiometer, and the other as the standby potentiometer. Thus, it is not necessary to disassemble the electrically controlled opening and closing device or adjust the angular position of the output shaft 44 of the output gear 42, although it is an effective remedy in the case that neither of the first potentiometer 53 and the second potentiometer 54 has continuous resistance change in the working stroke. In this way, the installation efficiency of the electrically controlled opening and closing device is greatly improved, and especially in the case of batch installation, the labor intensity and work cost are greatly reduced.

[0050] 3. According to the different requirements of output torque, angle and speed according to the application occasion, the power of the motor 30 and the transmission ratio of the gear set 40 can be scaled to provide a series of modular electrically controlled opening and closing devices, so as to meet the different requirements of different users.

[0051] The above only describes exemplary embodiments of the present application, and is not intended to limit the protection scope of the present application, which is determined by the attached claims.

Claims

1. An electrically controlled opening and closing device, comprising: a base; a cover arranged on the base and forming a closed containing space therebetween; a motor contained in the containing space and providing driving power for the electrically controlled opening and closing device; a gear set arranged in the containing space and comprising an input gear, an output gear, and a plurality of intermediate gears arranged between the input gear and the output gear and meshing with each other to achieve the output gear having a required rotating speed and torque, the input gear being keyed to a main shaft of the motor, and an output shaft of the output gear outputting rotating power for the electrically controlled opening and closing device; an opening and closing limiting mechanism arranged in the containing space and comprising a potentiometer gear meshing with the output gear, a potentiometer gear shaft keyed to the potentiometer gear, a first potentiometer and a second potentiometer keyed to the potentiometer gear shaft and arranged on a side of the potentiometer gear, and a circuit board keyed to the potentiometer gear shaft and arranged between the first potentiometer and the second potentiometer, wherein the first potentiometer and the second potentiometer are arranged to have an included angle of 180 degrees with each other to ensure that at least one of the first potentiometer and the second potentiometer has a continuous resistance change in a working stroke of the electrically controlled opening and closing device.

2. The electrically controlled opening and closing device according to claim 1, further comprising a power supply line for supplying power to the circuit board and the motor.

3. The electrically controlled shutter as claimed in claim 2, wherein The power supply line is electrically connected to a direct current power supply of an external device.

4. The electrically controlled opening and closing device according to claim 1, further comprising a plurality of positioning shafts and positioning convexities and concavities arranged on the base or the cover, the plurality of intermediate gears being rotatably sleeved on the plurality of positioning shafts respectively, and the motor being clamped on the positioning convexities and concavities.

5. The electrically controlled shutter as claimed in claim 4, wherein The plurality of positioning shafts and positioning convexities and concavities and the base or the cover are made of the same industrial plastic material and integrally cast into shape.

6. The electrically controlled shutter as claimed in claim 1, wherein One of the first potentiometer and the second potentiometer is determined to be working in installation and debugging, and the other one is standby, and one determined to be working is determined by measuring a continuous resistance change in a working stroke of the electrically controlled opening and closing device; if the first potentiometer and the second potentiometer cannot measure a continuous resistance change in a working stroke of the electrically controlled opening and closing device, an installation position of an output shaft of the output gear is adjusted, and the measurement is repeated.

7. The electrically controlled shutter as claimed in claim 1, wherein The output shaft of the output gear has a shape-fitted connecting end head with a square, rectangular, regular hexagonal or regular octagonal cross-sectional shape.

8. The electrically controlled opening and closing device according to claim 1, further comprising a controller arranged separately from the body, the controller reading and storing a resistance reading of the first potentiometer or the second potentiometer determined to be working at an opening position.

9. The electrically controlled shutter as claimed in claim 8, wherein The controller controls the motor to drive the output shaft of the output gear to travel to an opening position, a closing position, and a predetermined position between the two positions according to a user's selection.

10. An opener for a sliding door or window, comprising the electrically controlled opening and closing device according to any one of claims 1 to 9.

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