CN214154283U - Curtain motor and electric curtain for opening and closing curtain - Google Patents
Curtain motor and electric curtain for opening and closing curtain Download PDFInfo
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- CN214154283U CN214154283U CN202120171901.2U CN202120171901U CN214154283U CN 214154283 U CN214154283 U CN 214154283U CN 202120171901 U CN202120171901 U CN 202120171901U CN 214154283 U CN214154283 U CN 214154283U
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- output shaft
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000005389 magnetism Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 description 8
- 239000004744 fabric Substances 0.000 description 6
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a curtain motor, which comprises a motor with a rotatable output shaft; the detection unit is used for detecting the rotation stroke of the output shaft; the method is characterized in that: the detection unit comprises a magnetic part, the magnetic part is a multi-stage magnetic ring, and the magnetic part is sleeved outside the output shaft and rotates synchronously with the output shaft; the Hall element is connected with the motor and is arranged adjacent to the multistage magnetic ring. The utility model also discloses a curtain electric window curtain opens and shuts, it is including bearing the main part, arranges the track that bears in the main part in to and hang in bearing the main part below and along the gliding (window) curtain of track and be used for driving the drive assembly of (window) curtain motion, bear and install foretell (window) curtain motor in the main part, the output and the drive assembly of motor form the linkage. The detection signal that hall element read when its motor output shaft rotated a week is more to make the output shaft pivoted to the motor detect the precision better, finally make the control of the curtain of opening and shutting more accurate.
Description
Technical Field
The utility model relates to the technical field of electric window curtains, in particular to a window curtain motor and an electric window curtain for opening and closing a curtain.
Background
The electric curtain is a curtain driven by a curtain motor to realize automatic opening and closing of the curtain cloth, if the curtain cloth has insufficient stroke in the automatic opening and closing process, the curtain cloth cannot be closed, so that the light leakage problem exists, and if the curtain cloth has over stroke in the automatic opening and closing process, the curtain cloth cannot be closed, so that the motor or the transmission part is damaged due to collision and extrusion in the closing process. Therefore, for the electric curtain, the precise control of the motor is an important factor for determining the accuracy of the opening and closing process of the curtain cloth.
In the prior art, a hall sensor is mostly adopted to detect parameters such as a rotation angle, a rotation number, a rotation speed and the like of an output shaft. The Hall sensor comprises an annular carrier which is arranged outside an output shaft of the motor and rotates along with the output shaft, magnetic blocks which are arranged along the circumferential direction of the annular carrier at intervals, and Hall elements which are arranged adjacent to the annular carrier, wherein the magnetic blocks on the annular carrier sequentially pass through a detection area of the Hall elements along with the rotation of the annular carrier, so that parameters such as the rotation angle, the number of rotation turns, the rotating speed and the like of the output shaft are finally calculated by inputting detection signals of the Hall elements into a controller.
Obviously, set up the magnetic path on annular carrier above-mentioned not only need with the magnetic path one by one embedding annular carrier on, bring inconvenience for the assembly, thereby can lead to the installation space on the annular carrier not enough to make the unable installation of magnetic path when the circumference of annular carrier sets up more magnetic path in addition, assembly process can restrict the quantity of circumference magnetic path on the annular carrier from the on the other hand, and the more magnetic path quantity of circumference then rotates the detected signal that hall element read when the round more, and detection precision is higher. Therefore, this prior art has a problem of poor detection accuracy. And the magnetic blocks which are placed singly are basically sintered rare earth permanent magnets, so that the rare earth content is high, and the cost is high. With the miniaturization development of the curtain motor, the volume is continuously reduced, and the installation space of the signal magnet is also compressed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the first technical problem in the correlation technique to a certain extent at least: the curtain motor is provided, when the output shaft of the motor rotates for one circle, the detection signals read by the Hall element are more, and therefore the detection precision is better.
The utility model discloses aim at solving the second technical problem in the correlation technique to a certain extent at least: the utility model provides an electric curtain of curtain opens and shuts, it is better to the output shaft pivoted detection precision of motor to rotate the in-process on the (window) curtain motor to make the control of curtain opens and shuts more accurate.
Therefore, an object of the present invention is to provide a motor for a window covering, which comprises a motor having a rotatable output shaft;
the detection unit is used for detecting the rotation stroke of the output shaft;
the method is characterized in that: the detection unit comprises
The magnetic part is a multi-stage magnetic ring, and is sleeved outside the output shaft and synchronously rotates with the output shaft;
the Hall element is connected with the motor and is arranged adjacent to the multistage magnetic ring.
Preferably, the multistage magnetic ring is an annular structure made of a magnetic material, the multistage magnetic ring is magnetized to form a plurality of magnetic zones, the multistage magnetic rings of each magnetic zone are arranged along the circumferential direction, and the magnetism of any two adjacent magnetic zones is different.
Preferably, the magnetic region on the magnetic member includes N-pole regions and S-pole regions with opposite magnetism, and the N-pole regions and the S-pole regions are alternately arranged along the circumferential direction of the magnetic member.
Preferably, each magnetic area is located on the outer side wall of the multistage magnetic ring, the hall element and the magnetic part are arranged at intervals along the radial direction, and the hall element is opposite to the magnetic area on the magnetic part.
Preferably, each magnetic area is located on an end face of the multistage magnetic ring, the hall element and the magnetic part are arranged at intervals along the axial direction, and the hall element is opposite to the magnetic area on the magnetic part.
Preferably, the number of the magnetic regions on the magnetic member is 2 to 64, and the number of the magnetic regions is an even number.
Preferably, the number of the magnetic regions on the magnetic member is 16.
Preferably, the curtain motor comprises a shell, the motor is arranged in the shell, and the hall element is positioned in the shell and fixedly connected with the shell.
Therefore, an object of the present invention is to provide an electric curtain for retractable curtain, which includes a supporting body, a track disposed on the supporting body, a curtain suspended below the supporting body and sliding along the track, and a driving component for driving the curtain to move, wherein: the curtain motor is installed on the bearing main body, and the output end of the motor in the curtain motor is linked with the transmission assembly.
Preferably, the curtain motor is detachably connected with the bearing main body; the output end of the motor in the curtain motor is connected with the transmission component along with the connection of the curtain motor and the bearing main body to form linkage or the disconnection along with the separation of the curtain motor and the bearing main body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
The technical scheme has the following advantages or beneficial effects: the mode that the multistage magnetic ring is used as a magnetic part to replace the magnetic block embedded on the annular carrier in the prior art can enable the Hall element to read more detection signals under the condition that the output shaft of the motor rotates for a circle, so that the rotating parameter detection of the output shaft of the motor is more accurate.
Drawings
Fig. 1 is a perspective view of the curtain motor of the present invention.
Fig. 2 is a schematic side view of the curtain motor of the present invention.
Fig. 3 is a schematic sectional view taken along the direction "a-a" in fig. 2.
Fig. 4 is a perspective view of fig. 3.
Fig. 5 is a partially enlarged view of the region "B" in fig. 4.
Fig. 6 is a schematic structural view of the curtain motor of the present invention after the housing is removed.
Fig. 7 is a top view of fig. 6.
Fig. 8 is a schematic structural view of the magnetic member in the curtain motor of the present invention.
Fig. 9 is a schematic distribution diagram of the magnetic regions of the magnetic member of fig. 8 after being axially magnetized.
Fig. 10 is a schematic view showing the distribution of the magnetic regions of the magnetic member of fig. 8 after being magnetized in the radial direction.
Fig. 11 is a top view of fig. 9.
Wherein, 1, a motor; 1.1, an output shaft; 2. a Hall element; 2.1, detecting area; 3. a magnetic member; 3.1, an outer side wall; 3.2, end faces; 4. a magnetic region; 4.1, N pole region; 4.2, S pole area; 5. a housing; 6. a controller; 7. a collar; 7.1, a clamping groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The following describes a curtain motor and an opening/closing curtain electric curtain according to an embodiment of the present invention in detail with reference to the accompanying drawings.
The first embodiment is as follows:
the utility model provides a curtain motor, as shown in figures 3-6, comprising a motor 1, wherein the motor 1 is provided with a rotatable output shaft 1.1, and the output shaft 1.1 rotates around the circumference of the axis of the motor 1 to output power;
the detection unit is used for detecting the rotation stroke of the output shaft 1.1, and the rotation stroke in the embodiment of the application is understood as a parameter capable of measuring the rotation process of the output shaft 1.1. The rotation stroke can refer to the rotation angle and the number of turns in the circumferential rotation process of the output shaft 1.1, and the rotation speed is obtained by calculating the rotation angle, the number of turns and the time;
the method is characterized in that:
the detection unit comprises a magnetic part 3, the magnetic part 3 is a multi-stage magnetic ring, and the magnetic part 3 is sleeved outside the output shaft 1.1 and rotates synchronously with the output shaft 1.1;
and the Hall element 2 is connected with the motor 1, and the Hall element 2 is arranged adjacent to the multistage magnetic ring.
Example two:
the basic structure is the same as the first embodiment, except that: as shown in fig. 8 to 11, the multi-stage magnetic ring is an annular structure made of a magnetic material, and the multi-stage magnetic ring is magnetized to form a plurality of magnetic sections 4, the multi-stage magnetic rings of each magnetic section 4 are arranged along the circumferential direction, and the magnetism of any two adjacent magnetic sections 4 is different.
The difference in magnetism between any two adjacent magnetic sections 4 may mean that the two adjacent magnetic sections 4 have the same magnetism but different magnetic field strengths;
preferably, the difference in magnetism between any two adjacent magnetic sections 4 may also mean that the two adjacent magnetic sections 4 have opposite magnetism, that is, the magnetic section 4 on the magnetic member 3 includes N pole sections 4.1 and S pole sections 4.2 with opposite magnetism, the N pole sections 4.1 and S pole sections 4.2 are alternately arranged along the circumferential direction of the magnetic member 3, and the N pole sections 4.1 and S pole sections 4.2 are the same in number, that is, the number of the magnetic sections 4 is an even number, half of the number is the N pole sections 4.1, and half of the number is the S pole sections 4.2.
The magnetic material can be magnetic steel, neodymium iron boron material and the like. The multistage magnetic ring adopts a low magnetic energy product to bond rare earth permanent magnets or ferrites, and adopts a novel multi-pole magnetizing process, so that the usage amount of rare earth can be greatly reduced, the cost is reduced, and the installation process is simplified. Has strong social value and economic value.
Example three:
the basic structure is the same as the above embodiment, and the difference is: as shown in fig. 10, each magnetic section 4 is located on the outer sidewall 3.1 of the multistage magnetic ring, and each magnetic section 4 is sequentially arranged along the circumferential direction, the hall element 2 and the magnetic member 3 are arranged at intervals along the radial direction, and the hall element 2 is opposite to the magnetic section 4 on the magnetic member 3.
Example four:
the basic structure is the same as the above embodiment, and the difference is: as shown in fig. 9 and 11, each magnetic section 4 is located on an end surface 3.2 of the multistage magnetic ring, each magnetic section 4 is sequentially arranged along the circumferential direction, the hall element 2 and the magnetic member 3 are arranged at intervals along the axial direction, and the hall element 2 is opposite to the magnetic section 4 on the magnetic member 3.
Example five:
the basic structure is the same as that of the second embodiment, the third embodiment or the fourth embodiment, and the difference is that: as shown in fig. 9 to 11, the number of the magnetic sections 4 on the magnetic member 3 is 2 to 64, and the number of the magnetic sections 4 is an even number.
Preferably, the number of the magnetic sections 4 on the magnetic member 3 is 2, 4, 8, 16, 32, 64. Taking the magnetic regions as the N pole region 4.1 and the S pole region 4.2 with opposite magnetism as an example, if the number of the magnetic regions 4 is 2, the N pole region 4.1 and the S pole region 4.2 are respectively one; if the number of the magnetic regions 4 is 4, 2N polar regions 4.1 and 2S polar regions 4.2 are provided; if the number of the magnetic regions 4 is 8, 4N polar regions 4.1 and 4.2S polar regions are respectively provided; if the number of the magnetic regions 4 is 16, 8N polar regions 4.1 and 8S polar regions 4.2 are provided respectively; if the number of the magnetic regions 4 is 32, 16N polar regions 4.1 and 16S polar regions 4.2 are respectively arranged; if the number of magnetic regions 4 is 64, 32N-pole regions 4.1 and 32S-pole regions 4.2 are provided.
Further, the number of the magnetic sections 4 on the magnetic member 3 is preferably 16.
Example five:
the basic structure is the same as the above embodiments, and the difference is that: as shown in fig. 1-5, the curtain motor 1 includes a housing 5 with an inner cavity, the motor 1 is disposed in the housing 5, and the hall element 2 is disposed in the housing 5 and fixedly connected to the housing 5.
Specifically, a lantern ring 7 sleeved outside the multistage magnetic ring is arranged in the shell 5, a clamping groove 7.1 used for mounting the hall element 2 is formed in the lantern ring 7, the hall element 2 is fixed in the clamping groove 7.1, and as shown in fig. 7, the magnetic regions 4 on the magnetic part 3 sequentially pass through the detection region 2.1 of the hall element 2 along with the rotation of the output shaft 1.1.
Preferably, the housing 5 is provided with a through hole through which the output shaft 1.1 of the power supply machine 1 penetrates out of the housing 1.
Example six:
the basic structure is the same as that of the fifth embodiment, and the difference is that: the motor is characterized in that a controller 6 is arranged in the shell 5, the motor 1 is electrically connected with the controller 6, the hall element 2 is electrically connected with the controller 6, so that a detection signal of the hall element 2 is input into the controller 6, and the controller 6 outputs a detection signal of the hall element 2 to control the motor 1 to start and stop or change the rotating speed of the motor 1.
Example seven:
the utility model provides an electronic (window) curtain of retractable curtain, it includes bears the main part, arranges the track on bearing the main part in to and hang and follow the gliding (window) curtain of track and be used for driving the drive assembly of (window) curtain motion in bearing the main part below, its characterized in that: the bearing body is provided with the curtain motor 1 in the embodiment, and the output end 1.1 of the motor 1 in the curtain motor 1 is linked with the transmission component.
Preferably, the curtain motor 1 is detachably connected with the bearing main body; the output end 1.1 of the motor 1 in the curtain motor 1 is linked with the transmission component along with the connection of the curtain motor 1 and the bearing body, or the output end 1.1 of the motor 1 is separated from the transmission component along with the separation of the curtain motor 1 and the bearing body.
It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. It is therefore intended that the appended claims be interpreted as covering all alterations and modifications as fall within the true spirit and scope of the invention. Any and all equivalent ranges and contents within the scope of the claims should be considered to be within the intent and scope of the present invention.
Claims (10)
1. A curtain motor comprises
An electric motor (1), the electric motor (1) having a rotatable output shaft (1.1);
a detection unit for detecting a rotational stroke of the output shaft (1.1);
the method is characterized in that: the detection unit comprises
The magnetic part (3) is a multistage magnetic ring, and the magnetic part (3) is sleeved outside the output shaft (1.1) and rotates synchronously with the output shaft (1.1);
the Hall element (2) is connected with the motor (1), and the Hall element (2) is arranged adjacent to the multistage magnetic ring.
2. The curtain motor as claimed in claim 1, wherein: the multistage magnetic ring is of an annular structure made of magnetic materials, the multistage magnetic ring is magnetized to form a plurality of magnetic areas (4), the multistage magnetic rings of the magnetic areas (4) are arranged along the circumferential direction, and the magnetism of any two adjacent magnetic areas (4) is different.
3. A curtain motor as claimed in claim 2, wherein: the magnetic region (4) on the magnetic part (3) comprises N pole regions (4.1) and S pole regions (4.2) with opposite magnetism, and the N pole regions (4.1) and the S pole regions (4.2) are alternately arranged along the circumferential direction of the magnetic part (3).
4. A curtain motor as claimed in claim 2 or 3, wherein: each magnetic area (4) is positioned on the outer side wall (3.1) of the multistage magnetic ring, the Hall element (2) and the magnetic part (3) are arranged at intervals along the radial direction, and the Hall element (2) is opposite to the magnetic area (4) on the magnetic part (3).
5. A curtain motor as claimed in claim 2 or 3, wherein: each magnetic area (4) is located on the end face (3.2) of each multistage magnetic ring, the Hall elements (2) and the magnetic pieces (3) are arranged at intervals along the axial direction, and the Hall elements (2) are opposite to the magnetic areas (4) on the magnetic pieces (3).
6. A curtain motor as claimed in claim 2 or 3, wherein: the number of the magnetic areas (4) on the magnetic part (3) is 2-64, and the number of the magnetic areas (4) is even.
7. The curtain motor as claimed in claim 6, wherein: the number of the magnetic areas (4) on the magnetic part (3) is 16.
8. A blind motor as claimed in claim 1, 2, 3 or 7, wherein: the curtain motor (1) comprises a shell, the motor (1) is arranged in the shell (5), and the Hall element (2) is positioned in the shell (5) and fixedly connected with the shell (5).
9. The utility model provides an electronic (window) curtain of retractable curtain, it includes bears the main part, arranges the track on bearing the main part in to and hang and follow the gliding (window) curtain of track and be used for driving the drive assembly of (window) curtain motion in bearing the main part below, its characterized in that: the bearing body is provided with the curtain motor (1) as claimed in any one of the claims 1 to 8, and the output end of the motor (1) in the curtain motor (1) is linked with the transmission component.
10. The motorized retractable curtain shade as recited in claim 9, wherein: the curtain motor (1) is detachably connected with the bearing main body; the output end of the motor (1) in the curtain motor (1) is connected with the transmission component along with the connection of the curtain motor (1) and the bearing main body to form linkage or the disconnection along with the separation of the curtain motor (1) and the bearing main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120171901.2U CN214154283U (en) | 2021-01-21 | 2021-01-21 | Curtain motor and electric curtain for opening and closing curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120171901.2U CN214154283U (en) | 2021-01-21 | 2021-01-21 | Curtain motor and electric curtain for opening and closing curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214154283U true CN214154283U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120171901.2U Active CN214154283U (en) | 2021-01-21 | 2021-01-21 | Curtain motor and electric curtain for opening and closing curtain |
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| Country | Link |
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| CN (1) | CN214154283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623941A (en) * | 2022-12-01 | 2023-01-20 | 任丘市嘉捷机械配件有限公司 | A roller blind device based on magnetic induction absolute value chip induction rotation angle |
-
2021
- 2021-01-21 CN CN202120171901.2U patent/CN214154283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623941A (en) * | 2022-12-01 | 2023-01-20 | 任丘市嘉捷机械配件有限公司 | A roller blind device based on magnetic induction absolute value chip induction rotation angle |
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