CN218037670U - Low-voltage safety curtain control mechanism - Google Patents
Low-voltage safety curtain control mechanism Download PDFInfo
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- CN218037670U CN218037670U CN202222150179.1U CN202222150179U CN218037670U CN 218037670 U CN218037670 U CN 218037670U CN 202222150179 U CN202222150179 U CN 202222150179U CN 218037670 U CN218037670 U CN 218037670U
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Abstract
The utility model provides a low-voltage safety curtain control mechanism, which comprises a curtain shaft, a motor and a control assembly, wherein the curtain shaft is connected with a curtain, the curtain shaft is connected with an output shaft of the motor and synchronously rotates, and the motor is connected with the control assembly; the control assembly comprises a power supply processing unit, an MCU unit and a motor driving unit, wherein the power supply processing unit comprises a power supply filter and a DC conversion circuit, the power supply filter supplies power to the motor driving unit after filtering, the DC conversion circuit supplies power to the MCU unit after conversion, the motor driving unit converts high-frequency PWM (pulse-width modulation) waves emitted by the MCU unit into frequency modulation waves to drive the motor, the control assembly further comprises a radio frequency receiving unit and a key unit, and the radio frequency receiving unit and the key unit are connected with the MCU unit. The utility model discloses the motor adopts frequency conversion mode control, and efficiency is higher, and torsion is bigger, can accurate record motor rotation number of times simultaneously, can accurate control curtain descending distance.
Description
Technical Field
The utility model belongs to the technical field of the projection curtain, especially, relate to a low pressure safety type curtain control mechanism.
Background
Along with the popularization of computer application, no matter work or life all tend to electronization, and the projecting apparatus has widely accepted and utilized by people because its peculiar performance, places such as school, meeting room, family etc. have all used the projecting apparatus, because the projecting apparatus possesses a large screen, the display of low price advantage, so more and more people have selected the projecting apparatus, sometimes also need play sound in order to reach multidimension exhibition effect through audio output equipment such as audio amplifier, and the projecting apparatus curtain is as the golden partner of projecting apparatus, and is indispensable again.
At present, synchronous motor drive control is mostly adopted to automatic rising's electronic curtain in the market, and the synchronous motor control on the market is many to be controlled the motor through cooperation such as stopper, transmitter, receiver, and current control mode is complicated, and control accuracy is low, can not satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough that prior art exists, the utility model provides a low pressure safety type curtain control mechanism.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a low-voltage safety type curtain control mechanism comprises a curtain shaft, a motor and a control assembly, wherein the curtain shaft is connected with a curtain, the curtain shaft is connected with an output shaft of the motor and synchronously rotates, the motor is connected with the control assembly, and the motor is a low-voltage synchronous motor;
the control assembly comprises a power supply processing unit, an MCU unit and a motor driving unit, wherein the power supply processing unit is connected with a power supply through a fuse, the power supply processing unit comprises a power supply filter and a DC conversion circuit, the power supply filter is connected with the motor driving unit, the DC conversion circuit is connected with the MCU unit, the MCU unit is provided with a storage unit for storing an upper boundary point, a lower boundary point and a number of rotating turns, the motor driving unit comprises two relays and a motor starting capacitor, the two relays are respectively a forward relay and a reverse relay, and the forward relay and the reverse relay are connected with the motor starting capacitor and control the forward rotation, the reverse rotation and the stop of the motor;
the control assembly further comprises a radio frequency receiving unit and a key unit, the radio frequency receiving unit and the key unit are used for receiving radio frequency signals of the remote controller and are connected with the MCU, and the key unit is provided with a pull-up key, a lower play key, a stop key, a code alignment key and a code clearing key.
Further, the control assembly further comprises a Bluetooth receiving and transmitting unit, and the Bluetooth receiving and transmitting unit is connected with the MCU and is controlled through the mobile phone APP.
Further, the output shaft of the motor is connected with the cloth shaft by a coupler.
Further, the power supply is a 220V alternating current power supply, the output voltage of the power supply processing unit is 24V, and the output current is in the form of direct current.
Furthermore, the curtain is made of tough resin with the tensile strength parameter of more than 100 MPa.
Has the advantages that: the utility model discloses power supply processing unit includes power filtering and DC converting circuit, gives the motor drive unit power supply after the filtering, gives MCU and other unit power supplies after the DC conversion.
This curtain control mechanism adopts low pressure synchronous machine as curtain driving motor, and AC220V synchronous machine is safer relatively, and the motor adopts frequency conversion mode control, and efficiency is higher, and torsion is bigger, can accurate recording motor rotation number of times simultaneously, can accurate control curtain descending distance, simple structure, and control accuracy is high, and performance is good.
Drawings
Fig. 1 is a schematic structural view of a low-voltage safety curtain control mechanism provided by the present invention;
fig. 2 is the utility model provides a low pressure safety type curtain control mechanism's principle sketch map.
In the figure: the device comprises a cloth shaft 1, a curtain 2, a motor 3, a control assembly 4, a power supply 5, a remote controller 6, a power supply processing unit 7, an MCU unit 8 and a motor driving unit 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a low-voltage safety curtain control mechanism, which comprises a cloth shaft 1, a motor 3 and a control component 4, wherein the cloth shaft 1 is connected with a curtain 2, the cloth shaft 1 is connected with an output shaft of the motor 3 and synchronously rotates, the motor 3 is connected with the control component 4, and the motor 3 is a low-voltage synchronous motor;
the control assembly 4 comprises a power supply processing unit 7, an MCU unit 8 and a motor driving unit 9, the power supply processing unit 7 is connected with a power supply 5 through a fuse, the power supply processing unit 7 comprises a power supply filter and a DC conversion circuit, the power supply filter supplies power to the motor driving unit 9 after filtering, the DC conversion circuit supplies power to the MCU unit 8 after conversion, the MCU unit 8 is provided with a storage unit for storing an upper boundary point, a lower boundary point and a rotation number, the motor driving unit 9 converts a high-frequency PWM (pulse width modulation) wave sent by the MCU unit 8 into a frequency modulation wave to drive the motor 3, the efficiency is higher, the torque force is larger, the rotation number of the motor 3 can be accurately recorded, the descending distance of the curtain 2 can be accurately controlled, the motor driving unit 9 comprises a relay and a motor starting capacitor, the two relays are respectively a forward relay and a reverse relay, the forward relay and the reverse relay control the motor starting capacitor, and finally control the forward rotation, reverse rotation and stop of the motor 3;
the control component 4 further comprises a radio frequency receiving unit and a key unit, wherein the radio frequency receiving unit and the key unit are connected with the MCU unit 8, the radio frequency receiving unit can receive radio frequency signals of the remote controller 6, and the key unit is provided with a pull-up key, a drop key, a stop key, a code alignment key and a code clearing key.
On the basis of the above embodiment, the control component 4 further includes a bluetooth transceiver unit, which is connected to the MCU unit 8 and controlled by the mobile APP.
On the basis of the embodiment, the output shaft of the motor 3 is connected with the cloth shaft 1 by a coupler.
On the basis of the above embodiment, the power supply 5 is a 220V ac power supply, the power supply processing unit 7 converts the power supply 5 into 24V dc power, the output voltage of the power supply processing unit 7 is 24V, and the output current is in the form of dc power.
On the basis of the above examples, the curtain 2 is made of a tough resin with a tensile strength parameter of more than 100 MPa.
The working principle is as follows:
the utility model discloses low pressure safe type curtain control mechanism connects power 5, power 5 passes through the fuse and connects power processing unit 7, power processing unit 7 connects MCU unit 8, power processing unit 7 becomes 24V direct current with power 5, motor drive unit 9 converts the high frequency PWM ripples that MCU unit 8 sent into frequency modulation ripples driving motor 3, and efficiency is higher, and torsion is bigger, and accurate recording motor 3 of ability rotates the number of times simultaneously, can accurate control curtain 2 descending distance, border point, lower border point, the number of rotations in the storage of MCU unit 8, motor 3 drive cloth axle 1 synchronous rotation, through forward relay and reverse relay control the motor starts electric capacity to final control motor 3's corotation, reversal, stop to unreel and the rolling to curtain 2.
The utility model discloses accessible remote controller or cell-phone APP controls.
The foregoing shows and describes the basic principles, features and advantages of the present invention, and the foregoing description and drawings, although not limiting, refer to the accompanying drawings, which are used herein for the purpose of illustrating the concepts of the invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (5)
1. The utility model provides a low pressure safety type curtain control mechanism which characterized in that: the cloth curtain comprises a cloth shaft (1), a motor (3) and a control assembly (4), wherein the cloth shaft (1) is connected with a curtain (2), the cloth shaft (1) is connected with an output shaft of the motor (3) and synchronously rotates, the motor (3) is connected with the control assembly (4), and the motor (3) is a low-voltage synchronous motor;
the control assembly (4) comprises a power supply processing unit (7), an MCU (microprogrammed control unit) unit (8) and a motor driving unit (9), wherein the power supply processing unit (7) is connected with a power supply (5) through a fuse, the power supply processing unit (7) comprises a power supply filter and a DC conversion circuit, the power supply filter is connected with the motor driving unit (9), the DC conversion circuit is connected with the MCU unit (8), the MCU unit (8) is provided with a storage unit for storing an upper boundary point, a lower boundary point and a rotation number, the motor driving unit (9) comprises a relay and a motor starting capacitor, the number of the relays is two, the relays are respectively a forward relay and a reverse relay, the forward relay and the reverse relay are connected with the motor starting capacitor, and the forward relay, the reverse relay and the reverse relay are used for controlling the forward rotation, the reverse rotation and the stop of the motor (3);
the control assembly (4) further comprises a radio frequency receiving unit and a key unit, wherein the radio frequency receiving unit and the key unit are used for receiving radio frequency signals of the remote controller (6), the radio frequency receiving unit and the key unit are connected with the MCU unit (8), and the key unit is provided with a pull-up key, a lower-release key, a stop key, a code alignment key and a code clearing key.
2. The low-pressure safety curtain control mechanism as claimed in claim 1, wherein: the control assembly (4) further comprises a Bluetooth receiving and transmitting unit, wherein the Bluetooth receiving and transmitting unit is connected with the MCU unit (8) and is controlled through a mobile phone APP.
3. The low-pressure safety curtain control mechanism as claimed in claim 1, wherein: the output shaft of the motor (3) is connected with the cloth shaft (1) by a coupler.
4. The low-pressure safety curtain control mechanism as claimed in claim 1, wherein: the power supply (5) is a 220V alternating current power supply, the output voltage of the power supply processing unit (7) is 24V, and the output current is direct current.
5. The low-pressure safety curtain control mechanism as claimed in claim 1, wherein: the curtain (2) is made of tough resin with the tensile strength parameter of more than 100 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150179.1U CN218037670U (en) | 2022-08-16 | 2022-08-16 | Low-voltage safety curtain control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222150179.1U CN218037670U (en) | 2022-08-16 | 2022-08-16 | Low-voltage safety curtain control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037670U true CN218037670U (en) | 2022-12-13 |
Family
ID=84347344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222150179.1U Active CN218037670U (en) | 2022-08-16 | 2022-08-16 | Low-voltage safety curtain control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218037670U (en) |
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2022
- 2022-08-16 CN CN202222150179.1U patent/CN218037670U/en active Active
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