WO2022116360A1

WO2022116360A1 - Multi-track curtain device, driving method and electric curtain

Info

Publication number: WO2022116360A1
Application number: PCT/CN2021/070414
Authority: WO
Inventors: 王金友
Original assignee: 深圳市新博孚智能设备有限公司
Priority date: 2020-12-04
Filing date: 2021-01-06
Publication date: 2022-06-09

Abstract

Disclosed in present application are a multi-track curtain device, a driving method and an electric curtain, wherein the multi-track curtain device comprises at least two drive shafts, a drive assembly, a first track, a second track and a transmission structure; the drive assembly independently drives a corresponding drive shaft; the first track is provided below the drive shaft; the second track is provided below the first track; and the transmission structure connects the drive shaft to the first track and the second track.

Description

Multi-track curtain device, driving method and electric curtain

This application claims the priority of the Chinese patent application filed on December 4, 2020, with the application number of 2020113975819 and the application title of "A Multi-track Curtain Device, Driving Method and Electric Curtain", the entire contents of which are by reference Incorporated in this application.

technical field

The present application relates to the field of display technology, and in particular, to a multi-track curtain device, a driving method and an electric curtain.

Background technique

Existing curtains are generally composed of curtain fabrics, curtain upper rods, curtain lower rods, curtain rolls, and cable components. The opening and closing of the curtains are controlled by pulling the cables. The upper ends of the curtains are fixed on the wall, and the lower ends of the curtains are controlled by pulling the cables. Up or down, the existing curtains are mostly single-use curtains, either completely shading or partially shading. The combination of the two and dual-use structure is more complicated. The existing structure mostly adopts two-layer superimposed structure, and cooperates with one end to lift and close the curtain. It is troublesome to use, and it is time-consuming and labor-intensive to open and close.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a multi-track curtain device, a driving method and an electric curtain, which can control the overall opening or closing of the curtains and also realize switching between different curtains.

The application discloses a multi-track curtain device, the multi-track curtain device includes at least two drive shafts, a drive assembly, a first track, a second track and a transmission structure; the drive assembly independently drives the corresponding drive shafts ; the first track is arranged below the drive shaft; the second track is arranged below the first track; the transmission structure connects the drive shaft with the first track and the second track respectively A track; wherein, when the drive assembly is working, it drives the corresponding drive shaft, and drives the transmission structure to control the lifting and lowering of the first track and/or the second track through the rotation of the drive shaft.

Optionally, the drive assembly includes a dual-output motor, and the dual-output motor includes a first output shaft and a second output shaft; there are two drive shafts, which are the first drive shaft and the second drive shaft, respectively. The first output shaft drives the first drive shaft to rotate, and the second output shaft drives the second drive shaft to rotate.

Optionally, the transmission structure includes a first rope winder and a second rope winder, and the first rope winder and the second rope winder are respectively arranged in parallel on the first drive shaft and the first rope winder. on the second drive shaft.

Optionally, the multi-track curtain device further includes a transformer or a battery, and the transformer or the battery is arranged opposite to the dual-output motor and is located at the other end of the drive shaft, and the transformer or the battery is connected to the other end of the drive shaft. The dual output motors are electrically connected.

Optionally, the transmission structure includes a first rope winder and a second rope winder, and the first rope winder and the second rope winder are respectively arranged around the first drive shaft and the second drive shaft ; The transmission structure also includes a first retractable and unwinding rope and a second retracting and unwinding rope, the first retracting and unwinding ropes are respectively connected to the first rope reel and the first track, and the second retracting and unwinding ropes are respectively Connect the second rope reel and the second track; both the first retractable rope and the second retractable rope are provided with at least two ropes, which are respectively connected to the first rope reel and both ends of the first rail, the second rope reel and the second rail; the first rope reel and the second rope reel are provided with two, two of the first rope reel and the second rope reel A rope reel and two second rope reels are arranged side by side, the two first retractable ropes are connected to the corresponding two first rope reels, and the two second retractable ropes are connected to the corresponding of two of the second rope reels.

Optionally, the length of the first drive shaft and the second drive shaft are equal and parallel, the first drive shaft and the second drive shaft are arranged obliquely side by side, and the height of the first drive shaft is the same as the height of the first drive shaft. The heights of the second drive shafts are not equal.

Optionally, the first rope reel and the corresponding second rope reel are staggered.

Optionally, the first track includes a first through hole, two of the first through holes are provided, and the two first retractable ropes pass through the corresponding two first through holes, and are respectively Knot at the corresponding first through hole; the second track includes a second through hole, two second through holes are provided, and the two second retractable ropes pass through the corresponding two The first through hole and the second through hole are respectively knotted at the corresponding second through holes.

The present application also discloses a driving method applicable to any of the above-mentioned multi-track curtain devices, comprising the steps of:

Start the driver assembly;

Control the ascent or descent of the first track and the second track;

Wherein, the second track is located below the first track; the drive assemblies independently control the distance between the first track and the second track, and the distance between the first track and the drive shaft. spacing.

The present application also discloses an electric curtain, including the multi-track curtain device described in any one of the above.

Compared with the scheme of the curtain with only a single track, the present application sets two tracks, and the two tracks are one up and one down, with different heights, and can be driven separately, so that the overall opening or closing of the curtain can be controlled, and the Switch between different curtains.

Description of drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application, constitute a part of the specification, are used to illustrate the embodiments of the present application, and together with the written description, serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

1 is a schematic diagram of the overall structure of a multi-track curtain according to an embodiment of the present application;

2 is a schematic diagram of the overall structure of a multi-track curtain according to another embodiment of the present application;

3 is a schematic diagram of a drive assembly, a drive shaft and a rope reel according to an embodiment of the present application;

Fig. 4 is the overall exploded schematic diagram of an embodiment of the present application;

5 is a schematic structural diagram of a drive shaft and a rope reel according to another embodiment of the present application;

6 is a schematic structural diagram of a module of an electric curtain according to another embodiment of the present application;

Among them: 1-fixed cover, 2-first curtain, 3-first track, 4-second curtain, 5-second track, 61-drive assembly, 62-first rope reel, 63-first Two rope reels, 64-first drive shaft, 65-second drive shaft; 7-transformer, 8-battery, 9-end cover.

Detailed ways

It should be understood that the terminology used herein and the specific structural and functional details disclosed are only for describing specific embodiments and are representative, but the present application may be embodied in many alternative forms and should not be construed as only Limited by the embodiments set forth herein.

In the description of this application, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating relative importance, or implicitly indicating the number of indicated technical features. Thus, unless otherwise stated, features defined as "first" and "second" may expressly or implicitly include one or more of the features; "plurality" means two or more. The term "comprising" and any variations thereof mean non-exclusive inclusion, possibly the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or combinations thereof.

In addition, "center", "horizontal", "top", "bottom", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outer" The terms of the orientation or positional relationship indicated by etc. are described based on the orientation or relative positional relationship shown in the drawings, and are only for the convenience of describing the simplified description of the present application, rather than indicating that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as limiting the application.

In addition, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection , it can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

The present application will be described in detail below with reference to the accompanying drawings and optional embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new embodiments. .

As shown in FIG. 1 , as another embodiment of the present application, a multi-track curtain device is disclosed, which includes at least two drive shafts, a drive assembly 61 , a first track 3 , a second track 5 and a transmission structure; the drive The assembly 61 independently drives the corresponding drive shaft; the first rail 3 is arranged below the drive shaft; the second rail 5 is arranged below the first rail 3; the transmission structure is connected to the The drive shaft and the first track 3 and the second track 5; different types of curtains are arranged between the first track 3 and the drive shaft and the first track 3 and the second track 5, wherein the drive assembly 61 During operation, the corresponding drive shaft is driven, and the transmission structure is driven by the rotation of the drive shaft to control the lifting and lowering of the first rail 3 and/or the second rail 5, so that the overall opening or closing of the curtain can be realized, It is also possible to switch between different curtains.

Of course, many drive shafts can also be provided, and the corresponding drive assemblies 61 can respectively control the corresponding drive shafts to rotate by means of clutching. Therefore, a third track, or even a fourth track, can be set in sequence below the second track 5 . , the fifth track, etc. In this way, as long as the driving component 61 is driven independently, the overall opening or closing of the curtains can still be realized, and the switching between different curtains can also be realized.

The drive assembly includes a dual-output motor, and the dual-output motor includes a first output shaft and a second output shaft; there are two drive shafts, respectively a first drive shaft and a second drive shaft, and the first output shaft The shaft drives the first drive shaft to rotate, the second output shaft drives the second drive shaft to rotate, and the first drive shaft and the second drive shaft are driven by dual output motors to independently control the first track And/or the lifting of the second rail does not affect each other. When the first output shaft of the bidirectional output motor rotates, driving the first drive shaft to rotate so that the first rail rises or falls, the second output shaft does not rotate, The distance between the second track and the first track remains the same. The dual-output motor can be placed at both ends of the drive assembly, that is, both the left and the right are feasible. Of course, it can also be placed in the middle, but the dual-output motor needs to be output on the left and right sides. The dual-output motor, and the drive components are also placed on the left and right sides of the dual-output motor.

As another embodiment of the present application, as shown in 2, different from the above embodiments, the multi-track curtain device further includes a transformer 7 or a battery 8, and the transformer or the battery is opposite to the dual-output motor set at the other end of the drive shaft, the transformer or the battery are respectively electrically connected with the dual output motor, a bidirectional output motor is set at one end of the drive shaft, and a transformer or a battery is set at the other end, and the battery is placed in a battery The battery box or the transformer is placed in another fixed cover. The fixed cover 1 is provided with an end cover 9. The width of the end cover is 1mm larger than the width of the track. When the device is working, it can directly supply power to the dual-output motor through the battery. Yes, the curtain device can work normally. The battery is rechargeable. When the battery is used up, it can be disassembled for charging; of course, except for the The dual-output motor can be powered by the battery, or the dual-output motor can be powered by an external transformer. It should be noted that the transformer is 220V in-line, and the power supply mode can be switched according to the specific usage scenario.

Further, as shown in FIG. 3 , the transmission structure includes a first rope reel 62 and a second rope reel 63 , and the first rope reel 62 and the second rope reel 63 are respectively arranged side by side on the first rope reel 62 . On a drive shaft 64 and a second drive shaft 65; in the radial direction of the human eye, the first rope reel and the second rope reel overlap, the first drive shaft 64 and the second drive shaft 65 respectively penetrate through the A rope reel 62 and a second rope reel 63, the first rope reel 62 and the second rope reel 63 are drum-shaped, and the lengths of the first rope reel 62 and the second rope reel 63 are less than The length of the first drive shaft 64 and the second drive shaft 65 .

The transmission structure further includes a first retractable rope and a second retractable rope. The first retractable rope is respectively connected to the first rope reel 62 and the first rail 3. The second retractable rope Connect the second rope reel 63 and the second track 5 respectively;

Wherein, the first retractable rope and the second retractable rope are provided with at least two ropes, which are respectively connected to the first rope reel 62, the first rail 3, the second rope both ends of the rope reel 63 and the second track 5;

There are two first rope reels 62 and two second rope reels 63 . The two first retractable ropes are connected to the corresponding two first rope reels 62 , and the two The first rope reel and the two second rope reels are arranged side by side, and the four rope reels are arranged side by side in the radial direction of the human eye, and the human eye can only see the front two rope reels , the two second retractable ropes are connected to the corresponding two second rope reels 63 , so that the first rail 3 and the second rail 5 can maintain balance when in use.

The first rope reel 62 and the corresponding second rope reel 63 overlap in an oblique upward direction, and the overlapping length of the first rope reel 62 and the corresponding second rope reel 63 is a preset length Length, the preset length is generally 0.1 to 1 times the length of the rope reel, preferably, the preset length is one-tenth to one-half of the length of the rope reel. The first rope reel 62 and the second rope reel The rope reels 63 are overlapped in an obliquely upward direction to prevent the first retracting and unwinding ropes and the second retracting and unwinding ropes from interacting with each other.

The first track 3 includes a first through hole, and two of the first through holes are provided. The two first retractable ropes pass through the corresponding two first through holes, and are respectively in the corresponding The first through hole is knotted;

The second track 5 includes a second through hole, and two second through holes are provided, and the two second retracting and unwinding ropes pass through the corresponding two first through holes and second through holes, and knots are respectively tied at the corresponding second through holes.

Specifically, as shown in FIG. 3 , firstly, there are two drum-shaped first rope reels 62 on the first drive shaft 64 , and the two first rope reels 62 are respectively arranged on both sides of the first drive shaft 64 and have At a certain distance, the second drive shaft 65 is also provided with two roller-shaped second rope reels 63, and the two second rope reels 63 are respectively arranged on both sides of the second drive shaft 65, and are connected with the two first rope reels 63. The rope reels 62 are correspondingly arranged, the two first retractable ropes pass through the corresponding two first through holes and are knotted at the corresponding first through holes, and the two second retractable ropes pass through the corresponding two The first through hole and the second through hole are knotted at the corresponding second through hole, and the drum-shaped first rope reel 62 and the second rope reel 63 are respectively connected to the circular first retractable rope and the second rope reel. Second, retracting and releasing the rope, shrinking when rotating is more labor-saving, preventing rotation and twisting.

Of course, the first drive shaft 64 and the second drive shaft 65 can also be set at the same height, and a certain distance can be reserved, such as 5mm-100mm, which can be set according to the diameter of the first retractable rope or the second retractable rope. to prevent the contracted ropes from interacting with each other.

As another embodiment of the present application, as shown in FIG. 5 , the first rope reel 62 and the corresponding second rope reel 63 are staggered to prevent the first retractable rope and the second retractable rope. ropes interact with each other.

Of course, the drive assembly 61 may also include a first motor and a second motor, and the first motor and the second motor are arranged on the same side of the drive shaft; there are two drive shafts, which are respectively the first motor and the second motor. A drive shaft 64 and a second drive shaft 65, the first motor independently controls the rotation of the first drive shaft 64, the second motor independently controls the rotation of the second drive shaft 65, and the two motors are arranged on the same side , which can greatly shorten the length of the entire multi-track curtain device and reduce the occupied space.

Further, the length of the first drive shaft 64 and the second drive shaft 65 are equal and parallel, the first drive shaft 64 and the second drive shaft 65 are arranged obliquely side by side, and the first drive shaft 64 The height of the second drive shaft 65 is not equal to the height of the second drive shaft 65, and if they are arranged obliquely side by side, the distance between the first drive shaft 64 and the second drive shaft 65 increases, so the rope used to connect the curtain can be avoided after shrinking. Because the distance between the first drive shaft 64 and the second drive shaft 65 is too small to influence each other, the corresponding first motor and the second motor can be adjusted according to the positions of the first drive shaft and the second drive shaft, For example, in this embodiment, the first motor and the second motor are also arranged obliquely side by side.

As another embodiment of the present application, as shown in FIG. 4 , the multi-track curtain device also includes a fixed cover body 1 and a curtain, the fixed cover body 1 is provided with an inner cavity, and the fixed cover body 1 is installed on the upper side of the window sill and is connected with the window sill. The two side walls are fixedly connected, and the curtain fabric includes a first curtain fabric 2 and a second curtain fabric 4. The upper end of the first curtain fabric 2 is fixedly connected with the lower end of the fixed cover 1, the lower end is connected with the first track 3, and the upper end of the second curtain fabric 4 is connected with the first track. 3 connection, its lower end is connected with the second rail 5, the first rope reel 62 and the first rail 3 are fixedly connected by the first retractable rope, the second rope reel 63 and the second rail 5 are fixed by the second retractable rope For connection, there are two first rope reels 62, which are respectively arranged on both ends of the first drive shaft 64, and two first retractable ropes, whose ends are respectively connected to the first rope reel 62 and the first Track 3, the first track 3 is provided with two first through holes; the second rope reel 63 is provided with two, which are respectively provided on both ends of the second drive shaft 65, and the second retractable rope is provided with two , one end of the second retractable rope is connected to the second rope reel 63, the other end is connected to the second rail 5 after passing through the first through hole matching the position of the second retractable rope, and the first The first curtain 2 is a semi-shading curtain, and the second curtain 4 is a full shading curtain. By setting the semi-shading curtain and the full shading curtain, the multi-track curtain device can be adjusted by the driving assembly 61 when the first rope reel 62 and the second curtain are in use. The second rope winder 63, the first rope winder 62 and the second rope winder 63 can adjust the position of the first curtain cloth 2 and the second curtain cloth 4 through the first retractable rope and the second retractable rope, so that the indoor light can be adjusted. function of strength.

The multi-track curtain device also includes a transformer or a battery, the transformer or the battery is arranged opposite the dual-output motor, and is located at the other end of the drive shaft, and the transformer or the battery box with the battery is also placed in an interior. In the fixed cover provided for the cavity, the transformer or the battery is electrically connected to the dual-output motor, one end of the drive shaft is provided with a bidirectional output motor, and the other end is provided with a transformer or a battery, and the battery is placed in a battery box If it is damaged by external corrosion, it can directly supply power to the dual-output motor through the battery. Yes, the curtain device can work normally. Of course, in addition to the dual-output motor that can be powered by the battery, it can also be powered by an external transformer. The power supply mode can be switched according to specific usage scenarios.

Further, the first curtain fabric 2 is provided with a third through hole, the second curtain fabric 4 is provided with a fourth through hole, and the first retractable rope passes through the third through hole and the The first through hole is knotted at the first through hole. The second through hole is knotted.

As another embodiment of the present application, the first curtain fabric 2 of the multi-track curtain device is provided with a third through hole and a fifth through hole, and the first track 3 is provided with a third through hole corresponding to the fifth through hole. Six through holes, the second curtain fabric 4 is provided with a fourth through hole corresponding to the position of the fifth through hole, and the first retractable rope passes through the third through hole and the first through hole in sequence , and tie a knot at the first through hole, the second retractable rope passes through the fifth through hole, the sixth through hole, the fourth through hole and the second through hole in sequence, and ends at the second through hole The knots are tied so that the positions of the first rope reel 62 and the second rope reel 63 are offset from each other and the ropes do not affect each other.

As another embodiment of the present application, a driving method applicable to the multi-track curtain device is disclosed, comprising the steps of:

Start the driver assembly;

Control the ascent or descent of the first track and the second track;

Wherein, the second rail 5 is located below the first rail 3 ; the drive assembly 61 independently controls the distance between the first rail 3 and the second rail 5 , and the first rail 3 distance from the drive shaft.

As another embodiment of the present application, as shown in FIG. 3, a day and night curtain device is disclosed, including the multi-track curtain device in any of the above embodiments; and a day curtain and a night curtain, both of which are Honeycomb curtains, of course, other shapes of curtains are also possible, and the transmission structure is driven by the rotation of the drive shaft to control the lifting and lowering of the first track and/or the second track, thereby controlling the contraction or extension of the day and night curtains , in order to block the light of different time periods, wherein the sun shade is placed between the drive shaft and the first track, one end of the two first retractable ropes is respectively fixed on the two first rope reels, and the other end is pulled from the sun shade on the The through hole is passed through to fix the sun curtain, and then pass through the first track. At this time, the other end is knotted at the first track, and the night curtain is placed between the first track and the second track. One end of a second retractable rope is fixed on the two second rope reels respectively, the other end passes through the first track and the through hole on the night curtain to fix the night curtain, and then passes through the second track, at this time, the The other end of the second retractable rope is knotted at the second track.

Specifically, when the bidirectional output motor is working, it can control the rotation of the first output shaft and the second output shaft respectively. If the sun shade is used alone, the first rope reel rotates and the first retractable rope is stretched. , the first track descends, and at the same time, the sun curtain is stretched out, and the second rope reel does not rotate at this time; in addition, if the night curtain is used alone, the second rope reel rotates, and the second retractable rope is stretched , the second track descends, and at the same time extends the night curtain, the second rope reel does not rotate at this time; of course, the first rope reel and the second rope reel rotate at the same time, The two retractable ropes are stretched, the first track and the second track are lowered, and the distance between them increases. At this time, the day curtain and the night curtain are stretched at the same time, and the total length of the stretched sun curtain and night curtain When the length of the curtain is equal, the stretching of the second retractable cord is stopped.

As shown in FIG. 6 , as another embodiment of the present application, an electric curtain is disclosed, comprising the multi-track curtain device described in any of the above embodiments, a detection unit and a control unit, the detection unit is used to detect indoor Light intensity, the control unit is electrically connected with the detection unit and the multi-track curtain device, after the control unit acquires the detection data of the detection device, it controls the operation of the multi-track curtain device to control the light in the room, so as to realize automatic The function of adjusting the indoor light intensity without manual control.

It should be noted that the limitations of the steps involved in this scheme are not considered to limit the sequence of steps without affecting the implementation of the specific scheme. The steps written in the front may be executed first. It can also be executed later, or even executed at the same time, as long as the solution can be implemented, it should be regarded as belonging to the protection scope of the present application.

The above content is a further detailed description of the present application in conjunction with specific optional embodiments, and it cannot be considered that the specific implementation of the present application is limited to these descriptions. For those of ordinary skill in the technical field of the present application, without departing from the concept of the present application, some simple deductions or substitutions can be made, which should be regarded as belonging to the protection scope of the present application.

Claims

A multi-track curtain device, comprising:

at least two drive shafts;

a drive assembly, which independently drives the corresponding drive shaft;

a first track, arranged below the drive shaft;

a second track disposed below the first track; and

a transmission structure, respectively connecting the drive shaft with the first track and the second track;

Wherein, when the drive assembly is working, it drives the corresponding drive shaft, and drives the transmission structure to control the lifting and lowering of the first track and/or the second track through the rotation of the drive shaft.
The multi-track window covering device of claim 1, wherein the drive assembly comprises a dual-output motor, the dual-output motor comprising a first output shaft and a second output shaft;

There are two drive shafts, which are a first drive shaft and a second drive shaft. The first output shaft drives the first drive shaft to rotate, and the second output shaft drives the second drive shaft to rotate.
A multi-track curtain device as claimed in claim 2, wherein the transmission structure comprises a first rope reel and a second rope reel, and the first rope reel and the second rope reel are respectively juxtaposed provided on the first drive shaft and the second drive shaft.
The multi-track curtain device according to claim 3, wherein the multi-track curtain device further comprises a transformer, and the transformer or the battery is arranged opposite the dual-output motor and is located at the other end of the drive shaft , the transformer is electrically connected to the dual-output motor.
The multi-track curtain device according to claim 3, wherein the multi-track curtain device further comprises a battery, the battery is arranged opposite the dual-output motor and is located at the other end of the drive shaft, the battery is electrically connected to the dual output motor.
The multi-track curtain device according to claim 4, wherein the transmission structure further comprises a first retractable cord and a second retractable cord, and the first retractable cord is respectively connected to the first cord reel and the first track, the second retractable rope is respectively connected to the second rope reel and the second track;

Both the first retractable rope and the second retractable rope are provided with at least two ropes, which are respectively connected to the first rope reel and the first track, the second rope reel and the both ends of the second track;

The first rope reel and the second rope reel are provided with two, the two first rope reels and the two second rope reels are respectively arranged side by side, and the two first rope reels The retracting and unwinding ropes are connected to the corresponding two first rope reels, and the two second retracting and unwinding ropes are connected to the corresponding two second rope reels.
The multi-track curtain device according to claim 4, wherein the length of the first drive shaft and the second drive shaft are equal and parallel, and the first drive shaft and the second drive shaft are obliquely juxtaposed The height of the first drive shaft is not equal to the height of the second drive shaft.
The multi-track curtain device according to claim 4, wherein the first rope reel and the corresponding second rope reel are staggered.
The multi-track curtain device according to claim 4, wherein the first track comprises a first through hole, two of the first through holes are provided, and the two first retractable cords pass through corresponding two of the first through holes, and tie knots at the corresponding first through holes;

The second track includes a second through hole, and two second through holes are provided, and the two second retraction and release ropes pass through the corresponding two first through holes and the second through holes , and knotted at the corresponding second through holes respectively.
The multi-track curtain device according to claim 1, wherein different types of curtains are arranged between the first track and the drive shaft and between the first track and the second track.
The multi-track curtain device according to claim 4, wherein the multi-track curtain device comprises a fixed cover body, the fixed cover body comprises an end cover, the transformer is arranged in the fixed cover body, the end cover A cover is used to seal the stationary cover.
A multi-track window covering apparatus as claimed in claim 11, wherein the width of the end cap is greater than the width of the first track or the second track.
The multi-track curtain device according to claim 7, wherein the overlapping length of the first rope reel and the corresponding second rope reel is a preset length.
The multi-track curtain device according to claim 13, wherein the preset length is 0.1 to 1 times the length of the rope reel.
A driving method of a multi-track curtain device, comprising the steps of:

Start the drive assembly;

Control the ascent or descent of the first track and the second track;

Wherein, the second track is located below the first track; the drive assemblies independently control the distance between the first track and the second track, and the distance between the first track and the drive shaft. spacing.
The driving method of a multi-track curtain device according to claim 15, wherein the driving assembly comprises a dual-output motor, and the dual-output motor comprises a first output shaft and a second output shaft;

There are two drive shafts, namely a first drive shaft and a second drive shaft. The first output shaft drives the first drive shaft to rotate, and the second output shaft drives the second drive shaft to rotate.
The driving method of a multi-track curtain device according to claim 16, wherein the transmission structure comprises a first rope reel and a second rope reel, the first rope reel and the second rope reel The actuators are respectively arranged on the first drive shaft and the second drive shaft in parallel;

The multi-track curtain device further includes a transformer, the transformer or the battery is arranged opposite to the dual-output motor, and is located at the other end of the drive shaft, and the transformer is electrically connected to the dual-output motor.
An electric curtain, comprising a multi-track curtain device, the multi-track curtain device comprising:

at least two drive shafts;

a drive assembly, which independently drives the corresponding drive shaft;

a first track, arranged below the drive shaft;

a second track disposed below the first track; and

a transmission structure, respectively connecting the drive shaft with the first track and the second track;

Wherein, when the driving assembly is working, it drives the corresponding driving shaft, and drives the transmission structure to control the lifting and lowering of the first rail and/or the second rail through the rotation of the driving shaft.
A kind of electric curtain as claimed in claim 18, wherein, the electric curtain further comprises a day curtain and a night curtain;

the drive assembly includes a dual output motor including a first output shaft and a second output shaft;

There are two drive shafts, namely a first drive shaft and a second drive shaft, the first output shaft drives the first drive shaft to rotate, and the second output shaft drives the second drive shaft to rotate;

The transmission structure includes a first rope reel and a second rope reel, and the first rope reel and the second rope reel are respectively arranged side by side on the first drive shaft and the second drive shaft ;

The sun shade is placed between the drive shaft and the first track, one end of the two first retractable ropes is respectively fixed to the two first rope reels, and the other end is passed through the through hole on the sun shade to be fixed. The other end of the sun curtain is knotted at the first track, the night curtain is placed between the first track and the second track, and one end of the two second retractable ropes is respectively fixed on the two second tracks. On the rope reel, the other end passes through the first track and the through hole on the night curtain to fix the night curtain, and the other end of the second retractable rope is knotted at the second track.