TW201631253A - Jalousie with function of adjusting opening angle of its leaves automatically and adjusting method thereof - Google Patents

Abstract

A jalousie with a function of adjusting opening angle of its leaves automatically and a adjusting method thereof are provided. The jalousie includes a drive mechanism, a number of leaves, a light sensor, a motor, a motor driver, a storage unit and a processor. The drive mechanism is used for adjusting the opening angle of the leaves. The light sensor is used for sensing indoor light values. The motor is used for driving the drive mechanism. The motor driver is used for driving the motor. The storage unit stores a predetermined range of light value. The processor acquires the indoor light value sensed by the light sensor in real time, and controls the motor driver to drive the motor when the acquired light value is not in the predetermined range of light value, the motor further drives the driving mechanism to adjust the opening angle of the leaves, and controls the drive mechanism to stop adjusting the opening angle of the leaves when the acquired light value is in the predetermined range of light value.

Description

Venetian blind with automatic adjustment function of blade opening and closing angle and adjustment method

The invention relates to the field of blinds, and particularly relates to a blind and a adjusting method for automatically adjusting the opening and closing angle of a blade.

Many users' home or office windows are equipped with blinds, which can be changed by adjusting the opening and closing angle of the blinds. Usually, when the user wants to make the brightness of the indoor environment reach a comfortable level, the user needs to manually adjust the opening and closing angle of the louver blades to achieve the desired ambient light brightness, which often brings the user inconvenient.

In view of the above, it is necessary to provide a blind and an adjustment method having an automatic adjustment function of the blade opening and closing angle, which aims to solve the above technical problem.

The invention provides a venetian blind with an automatic opening and closing angle of a blade, the venetian blind comprises a driving mechanism and a plurality of blades, wherein the driving mechanism is used for adjusting an opening and closing angle of the plurality of blades, and the venetian blind further comprises a brightness a sensor for detecting a brightness value in the room; a motor for driving the driving mechanism; a motor driver for driving the motor; and a storage unit for storing a preset brightness value range; The unit is configured to instantly obtain the brightness value of the indoor detected by the brightness sensor, and when determining that the currently obtained brightness value does not fall within the preset brightness value range, control the motor driver to drive the motor to work, so that the motor further drives the driving mechanism to adjust The opening and closing angles of the plurality of blades, the processing unit and when determining that the acquired brightness value falls within a preset brightness value range, controlling the motor driver to stop driving the motor to operate to stop adjusting the opening and closing angles of the plurality of blades.

The present invention also provides a method of adjusting a blade opening and closing angle for adjusting a one-leaf curtain, the blind comprising a brightness sensor, a motor, a motor driver, a driving mechanism, a storage unit, and a plurality of blades, the method comprising the following step:

Instantly obtaining the brightness value of the room detected by the brightness sensor;

When it is determined that the currently acquired brightness value does not fall within the preset brightness value range, controlling the motor driver to drive the motor to work, further causing the motor to further drive the driving mechanism to adjust the opening and closing angle of the plurality of blades; and

When it is determined that the acquired brightness value falls within the preset brightness value range, the control motor driver stops driving the motor to operate and stops adjusting the opening and closing angles of the plurality of blades.

Compared with the prior art, the venetian blind and the adjusting method with the automatic opening and closing angle of the blade of the invention acquire the brightness value of the indoor detected by the brightness sensor through a processing unit, and through a series of devices or mechanisms. The opening and closing angle of the blade is automatically adjusted, so that the brightness value of the room falls within a preset range of suitable brightness values, and the user does not need manual adjustment, which provides great convenience to the user.

1 is an application structural view of a preferred embodiment of a venetian blind having an automatic opening and closing angle of a blade according to the present invention;

2 is a schematic view of a preferred embodiment of a driving mechanism for a blind of the present invention;

3 is a flow chart of a preferred embodiment of a method for adjusting the opening and closing angle of a blade according to the present invention.

Please refer to FIG. 1 , which is a structural view of a preferred embodiment of a blind 100 with a blade opening and closing angle automatic adjustment function according to the present invention. The venetian blind 100 includes a driving mechanism 10 and a plurality of blades 20 for adjusting the opening and closing angle of the plurality of blades 20 by driving the plurality of blades 20 to rotate, thereby changing the brightness of the room.

The blind 100 further includes a brightness sensor 30 for detecting the brightness value of the room in real time.

The blind 100 further includes a motor driver 40 and a motor 50. The motor driver 40 is used to drive the motor 50 to operate the drive mechanism 10.

The blind 100 further includes a storage unit 60, a processing unit 70, and a confirmation button 80. The storage unit 60 stores a preset range of brightness values. Specifically, the user can change the brightness of the indoors by manually adjusting the opening and closing angles of the plurality of blades 20, and operate the confirmation button 80 to generate a corresponding confirmation signal when it is confirmed that the upper limit and the lower limit of the brightness that are deemed appropriate are reached. When receiving the confirmation signal, the processing unit 70 acquires the indoor brightness value detected by the brightness sensor 30, thereby obtaining a brightness upper limit value and a brightness lower limit value, and the processing unit 70 determines the brightness upper limit value and brightness. The interval between the lower limit values is the preset brightness value range, and the preset brightness value range is stored in the storage unit 60. The processing unit 70 is further configured to acquire the brightness value of the room detected by the brightness sensor 30 in real time. When it is determined that the currently acquired brightness value does not fall within the preset brightness value range, the processing unit 70 controls the motor driver 40 to drive. The motor 50 is operated to further drive the motor 50 to adjust the opening and closing angle of the plurality of blades 20 to adjust the brightness of the indoors. When the processing unit 70 determines that the currently acquired brightness value falls within the brightness value range, The control stops adjusting the opening and closing angle of the plurality of blades 20, i.e., controls the motor driver 40 to stop operating, thereby causing the motor 50 to stop operating.

Specifically, when the processing unit 70 determines that the currently acquired brightness value is less than the brightness lower limit value of the brightness value range, the control motor driver 40 drives the motor 50 to operate, and the driving motor 50 controls the driving mechanism 10 to increase the plurality of blades 20 Opening and closing angle; when the processing unit 70 determines that the currently acquired brightness value is greater than the brightness upper limit value of the brightness value range, the control motor driver 40 drives the motor 50 to operate, and the driving motor 50 controls the driving mechanism 10 to reduce the plurality of blades. The opening and closing angle of 20.

In another embodiment, the storage unit 60 stores a preset brightness value. When the processing unit 70 determines that the currently acquired brightness value is less than the preset brightness value, the control motor driver 40 drives the motor 50 to operate, and the driving motor 50 controls the driving mechanism 10 to increase the opening and closing angle of the plurality of blades 20; The unit 70 determines that the currently acquired brightness value is greater than the preset brightness value, controls the motor driver 40 to drive the motor 50 to operate, and drives the motor 50 to control the driving mechanism 10 to reduce the opening and closing angle of the plurality of blades 20, thereby adjusting the indoor The brightness, when the processing unit 70 determines that the currently acquired brightness value is equal to the preset brightness value, then controls to stop adjusting the opening and closing angle of the plurality of blades 20.

Referring to FIG. 2 together, in the present embodiment, the driving mechanism 10 includes a transmission device such as a pulley 11, a cable 12, and a bracket 13. The pulley 11 is connected to the motor 40, and the cable 12 is connected to the plurality of blades 20. And the pulley 11 is wound, and the pulley 11 is rotated by the motor 50 to drive the rope 12 to move to pull the plurality of blades 20 to change the opening and closing angle. Wherein, the motor 50 rotates in different directions by driving the pulley 11, thereby driving the rope 12 to move in different directions, thereby increasing or decreasing the opening and closing angle of the plurality of blades 20.

The blind 100 further includes an adjustable resistor 90. The adjustable resistor 90 is used to limit the protection of the plurality of blades 20. The resistance of the adjustable resistor 90 changes as the opening and closing angles of the plurality of blades 20 change, and the voltage value across the adjustable resistor 90 changes correspondingly as the resistance value changes. In the present embodiment, the adjustable resistor 90 is a sliding varistor fixed to the bracket 13 of the driving mechanism 10, and the sliding piece of the sliding varistor is connected with the pulling rope 12 of the driving mechanism 10, when the pulling rope 12 moves The slider is moved to change the resistance of the sliding varistor.

The processing unit 70 further includes a plurality of ADC (Analog-to-Digital Converter) ports 71. In this embodiment, the number of the ADC ports 71 is two, and the two ADC ports 71 respectively The two ends of the adjustable resistor 90 are electrically connected to obtain the voltage value across the adjustable resistor 90.

The processing unit 70 is further configured to respond to the user's operation, and obtain the voltage value across the adjustable resistor 90 through the plurality of ADC ports 71 when the plurality of blades 20 are at the extreme opening and closing angle, and determine the voltage value as the limit. Voltage value. For example, the venetian blind 100 may further include a voltage setting button 101. When the user manually drives the plurality of blades 20 to the extreme opening and closing angle, the voltage setting button 101 is operated, and the processing unit 70 responds to the user The voltage setting button 101 is operated to obtain the voltage value across the adjustable resistor 90 at this time, and the voltage value is determined as the limit voltage value. When the motor 50 controls the driving mechanism 10 to adjust the opening and closing angle of the plurality of blades 20, the processing unit 70 instantaneously obtains the voltage values across the adjustable resistor 90 through the plurality of ADC ports 71, when the obtained adjustable resistors 90 are two When the voltage value of the terminal is greater than or equal to the limit voltage value, the control motor driver 40 stops the operation of the driving motor 50, and the motor 50 no longer controls the driving mechanism 10 to adjust the opening and closing angle of the plurality of blades 20, thereby avoiding the plurality of blades 20 The opening and closing angle exceeds the limit opening and closing angle to cause damage, thereby achieving the limit protection of the adjustable resistor 90.

Please refer to FIG. 3 , which is a flow chart of a preferred embodiment of a method for adjusting the opening and closing angle of a blade according to the present invention.

In step S101, the indoor brightness value detected by the brightness sensor 30 is obtained in real time.

In step S102, when it is determined that the currently acquired brightness value does not fall within a preset brightness value range, the motor driver 40 is controlled to drive the motor 50 to operate, so that the motor 50 further drives the driving mechanism 10 to adjust the opening and closing angle of the plurality of blades 20. Specifically, when it is determined that the currently acquired brightness value is less than the brightness lower limit value of the brightness value range, the control motor driver 40 drives the motor 50 to control the driving mechanism 10 to increase the opening and closing angle of the plurality of blades 20; when determining the currently acquired brightness When the value is greater than the brightness upper limit value of the brightness value range, the control motor driver 40 drives the motor 50 to control the drive mechanism 10 to reduce the opening and closing angle of the plurality of blades 20.

Step S103, when it is determined that the acquired brightness value falls within the preset brightness value range, the control stops adjusting the opening and closing angle of the plurality of blades 20.

Further, the method further includes the step of: responding to a setting operation when the user manually drives the plurality of blades 20 to the limit opening and closing angle, obtaining a voltage value at both ends of the adjustable resistor 90, and setting the voltage value as an limit. a voltage value; when the motor 50 controls the driving mechanism 10 to adjust the opening and closing angle of the plurality of blades 20, the voltage values across the adjustable resistor 90 are instantaneously obtained through the plurality of ADC ports 71; and when the obtained adjustable resistor 90 is at both ends When the voltage value is greater than the limit voltage value, the control motor driver 40 stops the drive motor 50 from operating.

The method further includes the steps of: obtaining a brightness upper limit value and a brightness lower limit value determined by the user in advance by manually adjusting the opening and closing angles of the plurality of blades 20 detected by the brightness sensor 30; and determining the brightness upper limit value. And the interval between the lower limit values of brightness is a preset range of brightness values, and the preset range of brightness values is stored in the storage unit 60.

100‧‧‧ venetian blinds

10‧‧‧ drive mechanism

11‧‧‧ pulley

12‧‧‧Drawstring

13‧‧‧ bracket

20‧‧‧ leaves

30‧‧‧Brightness sensor

40‧‧‧Motor drive

50‧‧‧ motor

60‧‧‧ storage unit

70‧‧‧Processing unit

71‧‧‧ADC port

80‧‧‧ Confirmation button

90‧‧‧Adjustable resistance

101‧‧‧Voltage setting button

no

100‧‧‧ venetian blinds

10‧‧‧ drive mechanism

20‧‧‧ leaves

30‧‧‧Brightness sensor

40‧‧‧Motor drive

50‧‧‧ motor

60‧‧‧ storage unit

70‧‧‧Processing unit

71‧‧‧ADC port

80‧‧‧ Confirmation button

90‧‧‧Adjustable resistance

101‧‧‧Voltage setting button

Claims (10)

The venetian blind having the automatic opening and closing angle of the blade, the venetian blind comprises a driving mechanism and a plurality of blades, wherein the driving mechanism is used for adjusting the opening and closing angle of the plurality of blades, wherein the venetian blind further comprises a brightness sense a detector for detecting a brightness value in the room; a motor for driving the driving mechanism; a motor driver for driving the motor; a storage unit for storing a preset brightness value range; and a processing unit For directly obtaining the brightness value of the brightness detected by the brightness sensor, when determining that the currently acquired brightness value does not fall within the preset brightness value range, controlling the motor driver to drive the motor to work, so that the motor further drives the driving mechanism to adjust the The opening and closing angle of the plurality of blades, when it is determined that the acquired brightness value falls within the preset brightness value range, the processing unit controls the motor driver to stop driving the motor to operate and stop adjusting the opening and closing angles of the plurality of blades. The venetian blind having the automatic opening and closing angle of the blade according to claim 1, wherein the venetian blind further comprises an adjustable resistor for limiting the plurality of blades, and the resistance value thereof is The opening and closing angles of the blades are changed; the processing unit includes at least two ADC ports for electrically connecting with the adjustable resistor to obtain a voltage value across the adjustable resistor, and determining whether the voltage value across the obtained adjustable resistor is When the voltage value is greater than or equal to a limit voltage, and the voltage value across the adjustable resistor is greater than or equal to a limit voltage value, the motor driver is controlled to stop driving the motor. The venetian blind having the automatic opening and closing angle of the blade according to claim 2, wherein the processing unit is further configured to respond to a setting operation when the user manually drives the plurality of blades to the extreme opening and closing angle. Obtain the voltage value at both ends of the adjustable resistor at this time, and set the voltage value to the limit voltage value. The venetian blind having the automatic opening and closing angle of the blade according to claim 2, wherein the driving mechanism comprises a transmission device including a pulley, a rope and a bracket, and the pulley is connected to the motor, and the cable is connected with the motor The plurality of blades are connected and wound around the pulley, and the pulley rotates under the driving of the motor to drive the rope to move to pull the plurality of blades to change the opening and closing angle, wherein the motor rotates in different directions by driving the pulley, thereby driving the pulling The rope moves in different directions to increase or decrease the opening and closing angle of the plurality of blades, and the adjustable resistance is fixed on the drawstring, and the resistance thereof changes with the movement of the drawstring. The venetian blind having the blade opening and closing angle automatic adjusting function according to the first aspect of the invention, wherein the processing unit is further configured to obtain a brightness sensor detecting user to manually adjust the opening and closing of the plurality of blades in advance. The brightness upper limit value and the brightness lower limit value determined by the angle determine that the interval between the brightness upper limit value and the brightness lower limit value is a preset brightness value range, and the preset brightness value range is stored in the storage unit. A method for adjusting a blade opening and closing angle for adjusting a one-leaf curtain, the blind comprises a brightness sensor, a motor, a motor driver, a driving mechanism, a storage unit and a plurality of blades, wherein the method comprises the following steps:
Instantly obtaining the brightness value of the room detected by the brightness sensor;
When it is determined that the currently acquired brightness value does not fall within the preset brightness value range, controlling the motor driver to drive the motor to work, causing the motor to further drive the driving mechanism to adjust the opening and closing angle of the plurality of blades; and when determining that the acquired brightness value falls When the preset brightness value range is within, the control motor driver stops driving the motor to stop and adjusts the opening and closing angle of the plurality of blades. The louver further includes an adjustable resistor for limiting protection of the plurality of blades, the resistance value of which is dependent on the opening and closing angle of the plurality of blades, as in the method of adjusting the opening and closing angle of the blade according to claim 6 of the patent application. The processing unit includes at least two ADC ports for electrically connecting to the adjustable resistor to obtain a voltage value across the adjustable resistor, wherein the method further includes the steps of:
When the motor control driving mechanism adjusts the opening and closing angle of the plurality of blades, the voltage values across the adjustable resistor are instantaneously obtained through the at least two ADC ports; and when the voltage value across the obtained adjustable resistor is greater than or equal to a limit voltage When the value is controlled, the motor driver is controlled to stop driving the motor. The method for adjusting a blade opening and closing angle according to claim 7, wherein the method further comprises the steps of:
In response to the setting operation when the user manually drives the plurality of blades to the limit opening and closing angle, the voltage value at both ends of the adjustable resistor is obtained, and the voltage value is set as the limit voltage value. The method for adjusting a blade opening and closing angle according to claim 7, wherein the driving mechanism comprises a transmission device including a pulley, a rope, and a bracket, and the pulley is connected to the motor, and the cable is connected to the plurality of blades and Winding the pulley, the adjustable resistor is fixed on the drawstring, and the resistance value thereof changes with the movement of the drawstring, wherein the step “controls the motor drive to drive the motor to work, so that the motor further drives the drive mechanism to adjust the opening of the plurality of blades. The angle includes:
Controlling the motor driver to drive the motor to work, so that the motor further drives the pulley to rotate, and the pulling rope moves to pull the plurality of blades to change the opening and closing angle, wherein the motor rotates in different directions by driving the pulley, and drives the rope to face in different directions. Moving to increase or decrease the opening and closing angle of the plurality of blades. The method for adjusting a blade opening and closing angle according to claim 6, wherein the method further comprises the following steps:
Obtaining, by the user of the brightness sensor, a brightness upper limit value and a brightness lower limit value determined by manually adjusting the opening and closing angles of the plurality of blades; and determining a range between the brightness upper limit value and the brightness lower limit value A preset brightness value range is stored in the storage unit.