TWI795029B - Curtain body controlling device and method for controlling curtain body - Google Patents

Abstract

A curtain body controlling device is provided. A curtain body can be driven up and down through an electric motor. The curtain body controlling device is mainly for monitoring and analyzing a fluctuation characteristic value (electrical pattern) of an operating current of the electric motor, so as to achieve functions such as: obstruction detection, overcurrent protection, and automatic itinerary setting and so on. The curtain body may be a curtain, a door curtain, etc., and the type of the curtain body can be roller blinds, louvers, etc. The types of curtains are not limited. Therefore, both a safety of the curtain body and the electric motor can be increased, an issue of improper operation and damage of the curtain body as well as an issue of improper operation and damage of the electric motor can be avoided, a lifetime of the curtain body and the electric motor can be effectively increased, and the use is more convenient.

Description

Curtain control device and curtain control method

The present invention relates to a curtain body control device and a curtain body control method, especially to a curtain body control device and a curtain body that are applied to curtains, door curtains, etc. body control method.

Existing curtain body control devices (such as electric curtains and electric door curtains) all use electric motors to drive the curtain body up and down. However, in the process of rising and falling of the curtain body, if there is an obstacle, it will easily lead to improper operation and damage of the curtain body and the electric motor. Furthermore, the driving circuit of the electric motor usually has an over-current protection mechanism to protect the electric motor when the current value exceeds a predetermined current value. The traditional over-current protection only uses resistors to adjust the setting of the over-current protection point. After the finished product is made, the modification will also be limited by the resistance specification, and only a rough setting can be made, so the setting point is usually set relatively high. In addition, the upper and lower limit points of the curtain body can only be set by sensors, which is inconvenient.

The technical problem to be solved by the present invention is to provide a curtain body control device and a curtain body control method in view of the deficiencies of the prior art, which have the function of detecting obstacles in progress, are more sensitive, and respond more immediately, and can increase the use of curtain bodies and electric motors Safety, and avoid improper operation and damage of curtain body and electric motor.

The technical problem to be solved by the present invention is to provide a curtain body control device and a curtain body control method for the deficiencies of the prior art, which have an electric motor overcurrent protection function, and can make the modification more flexible and free.

The technical problem to be solved by the present invention is to provide a curtain body control device and a curtain body control method in view of the deficiencies of the prior art, which have the function of automatic stroke setting, and can make the way of setting the limit position of the curtain body more humanized and convenient.

In order to solve the above technical problems, the present invention provides a curtain body control device, including: an electric motor; a power supply module, the power supply module is electrically connected to the electric motor, and the power supply module can supply power to the electric motor ; a control module, the control module is electrically connected to the electric motor; a curtain body, the curtain body is connected to the electric motor, the control module can control the rotation of the electric motor to control the electric motor to drive The curtain rises, falls and stops; and a current detection module, the current detection module is electrically connected to the electric motor and the control module, and the current detection module can be used to detect the electric motor The operating current of the electric motor is transmitted to the control module, so that the fluctuation characteristic value of the operating current of the electric motor can be monitored and analyzed, so as to achieve the function of detecting the obstruction of the curtain body.

Preferably, the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor can also achieve the function of over-current protection.

Preferably, the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor can also achieve the function of automatically setting the stroke.

In order to solve the above technical problems, the present invention also provides a curtain control method, including the steps of: providing a curtain control device, including an electric motor, a power supply module, a control module, a curtain and a current detection module, the power supply module is electrically connected to the electric motor, the power supply module can supply power to the electric motor, the control module is electrically connected to the electric motor, the curtain body is connected to the electric motor, the control The module can control the rotation of the electric motor to control the electric motor to drive the curtain body to rise, fall and stop. The current detection module is electrically connected to the electric motor and the control module; The measuring module detects the operating current of the electric motor, and transmits the signal to the control module, and monitors and analyzes the fluctuation characteristic value of the operating current of the electric motor, so as to achieve the detection function of the curtain moving obstruction.

The beneficial effect of the present invention is that the curtain control device and the curtain control method provided by the present invention include an electric motor, a power supply module, a control module, a curtain and a current detection mod. The current detection module is electrically connected to the electric motor and the control module, the current detection module can be used to detect the operating current of the electric motor, and transmit the signal to the control module, and can control the operating current of the electric motor Monitor and analyze the fluctuation characteristic value to achieve the detection function of curtain travel obstruction. In addition, monitoring and analyzing the fluctuation characteristic value of the operating current of the electric motor can also achieve over-current protection and automatic stroke setting functions. The invention can increase the use safety of the curtain body and the electric motor, can avoid improper operation and damage of the curtain body and the electric motor, effectively increases the service life of the curtain body and the electric motor, and is more convenient to use.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

The following are specific examples to illustrate the implementation methods disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example]

Please refer to FIG. 1 , the present invention provides a curtain body control device, which includes an electric motor 1 , a power supply module 2 , a control module 3 , a curtain body 4 and a current detection module 5 .

The power supply module 2 and the control module 3 are electrically connected to the electric motor 1 , and the power supply module 2 can supply electric power to the electric motor 1 . The curtain body 4 can be a curtain, a door curtain, etc. The curtain body 4 includes a roller blind, a louver, etc. The curtain body 4 is not limited to the type of curtain, and the curtain body 4 is connected to the electric motor 1 . The control module 3 is electrically connected to the electric motor 1 and the current detection module 5, the control module 3 can control the rotation of the electric motor 1, and is used to control the electric motor 1 to drive the curtain body 4 to rise, fall and stop. The control module 3 can also be further electrically connected to a storage module 6 for storing and memorizing the running current value of the electric motor 1 .

The current detection module 5 can be a device such as a current detector or a current comparator, the current detection module 5 is electrically connected to the electric motor 1, and the current detection module 5 can be used to detect the electric motor 1 running current, and transmit the signal to the control module 3 to control the action of the electric motor 1 . The present invention can monitor and analyze the fluctuation characteristic value (electric pattern) of the operating current of the electric motor 1, so as to achieve functions such as overcurrent protection, travel obstacle detection, and automatic travel setting.

As shown in Figures 1 and 2, the present invention can use the current detection module 5 to detect the operating current of the electric motor 1, so as to obtain the fluctuation characteristic value (electric pattern) of the operating current of the electric motor 1, and set a predetermined The current value A can be judged as an overcurrent when the current value of the operating current of the electric motor 1 exceeds the predetermined current value A, so as to protect the electric motor 1 in time.

In this embodiment, after matching with a large auxiliary circuit (as shown in FIG. 5 ), it is less restricted by the resistance specification, and at the same time, high-resolution overcurrent protection point setting can also be achieved. Even after the finished product is finished, the setting of the overcurrent protection point can be adjusted through communication, making the modification more flexible and free. As shown in FIG. 5 , the present invention can amplify the detection value of the running current of the electric motor 1 through the amplification of the operational amplifier (OP), so that the detection value with higher resolution can be obtained, and the control module can 3 (such as MCU) to do more sophisticated processing and calculation.

As shown in Figures 1 and 3, in this embodiment, the present invention can utilize the current detection module 5 to detect the operating current of the electric motor 1, so as to obtain the fluctuation characteristic value (electric pattern) of the operating current of the electric motor 1. ), and set an upper resistance current value B and a lower resistance current value C, and the range between the upper resistance current value B and the lower resistance current value C is the normal operating range. When controlling the electric motor 1 to drive the curtain body 4 to rise (upward), if the operating current is higher than the normal operating range, that is, when the operating current is higher than the upper resistance current value B, it means that there is an obstacle affecting the curtain body 4 to rise , immediately stop the operation of the electric motor 1 . When controlling the electric motor 1 to drive the curtain body 4 down (lowering), if the operating current is lower than the normal operating range, that is, when the operating current is lower than the lower resistance current value C, it means that there is an obstacle affecting the curtain body 4 to descend. Immediately stop the operation of the electric motor 1 . The invention can store the running current value when it is loaded for the first time, and automatically set the range of stopping when encountering obstacles according to the current value, and can be set to stop before encountering obstacles, so it can monitor different load curves, which is relatively more efficient Sensitive and more immediate response.

As shown in Figures 1 and 4, in this embodiment, the present invention can utilize the current detection module 5 to detect the operating current of the electric motor 1, so as to obtain the fluctuation characteristic value (electric pattern) of the operating current of the electric motor 1. ). When the curtain body control device is installed for the first time, the electric motor 1 can be controlled to drive the curtain body 4 to rise to the upper limit to obtain an upper limit current value D, and to drop to the lower limit to obtain a lower limit current value E, so as to This allows the electric motor 1 to detect the upper limit point and the lower limit point of the curtain body 4 through the automatic setting of the stroke, so that the method of setting the limit position of the curtain body 4 can be more humanized and convenient.

The predetermined current value A, the upper resistance current value B, the lower resistance current value C, the upper limit current value D and the lower limit current value E and other current values are not limited. The specifications and weight of the body 4 can be varied without load limitation. For example, the weight of the curtain body 4 can be 10Kg to 40Kg, 1Kg to 10Kg, or less than 1Kg, etc. The electric motor 1 adopts various specifications according to different loads. The predetermined current value A, the upper resistance current value B, the lower resistance current value C, the upper limit current value D, and the lower limit current value E can be changed correspondingly.

Please refer to Fig. 1 to Fig. 5, the present invention also provides a curtain body control method, including the following steps:

Firstly, a curtain body control device is provided, including an electric motor 1 , a power supply module 2 , a control module 3 , a curtain body 4 and a current detection module 5 . The structure of the curtain body control device is the same as that of the above-mentioned embodiment, so it will not be repeated here.

Then, use the current detection module 5 to detect the operating current of the electric motor 1, and transmit the signal to the control module 3, and monitor and analyze the fluctuation characteristic value (electric pattern) of the operating current of the electric motor 1, In order to achieve the curtain body 4 travel obstruction detection function.

In addition, the current detection module 5 detects the operating current of the electric motor 1 to obtain the fluctuation characteristic value of the operating current of the electric motor 1, and also sets an upper resistance current value B and a lower resistance current value C. The normal operating range is between the resistance current value B and the lower resistance current value C; when the electric motor 1 is controlled to drive the curtain body 4 to rise, if the operating current is higher than the normal operation range, it means that there is an obstacle affecting the curtain body 4 rise, stop the operation of the electric motor 1 immediately; when the electric motor 1 is controlled to drive the curtain body 4 down, if the operating current is lower than the normal operating range, it means that there is an obstacle affecting the curtain body 4 down, and the electric motor 1 is stopped immediately operation.

In addition, the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor 1 can also achieve the function of overcurrent protection. The current detection module detects the operating current of the electric motor 1 to obtain the current of the electric motor 1. The fluctuation characteristic value of the operating current can be set to a predetermined current value A. When the current value of the operating current of the electric motor 1 exceeds the predetermined current value A, it is judged as an overcurrent, and it can also be amplified by an operational amplifier (OP). , to amplify the detection value of the operating current of the electric motor 1 .

In addition, the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor 1 can also achieve the function of automatically setting the stroke. When the curtain body control device is installed for the first time, the electric motor 1 can be controlled to drive the curtain body 4 to rise to the upper limit. The electric motor 1 can detect the upper limit point and the lower limit point of the curtain body 4 through the automatic setting of the stroke to obtain the current value D to the upper limit, and drop to the lower limit to obtain the current value E to the lower limit. .

[Advantageous Effects of Embodiment]

The beneficial effect of the present invention is that the curtain control device and the curtain control method provided by the present invention include an electric motor, a power supply module, a control module, a curtain and a current detection mod. The current detection module is electrically connected to the electric motor and the control module, the current detection module can be used to detect the operating current of the electric motor, and transmit the signal to the control module, and can control the operating current of the electric motor Monitor and analyze the fluctuation characteristic value to achieve functions such as curtain travel obstruction detection, over-current protection and automatic stroke setting. The invention can increase the use safety of the curtain body and the electric motor, can avoid improper operation and damage of the curtain body and the electric motor, effectively increases the service life of the curtain body and the electric motor, and is more convenient to use.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: Electric motor 2: Power supply module 3: Control module 4: curtain body 5: Current detection module 6: Storage module A: Predetermined current value B: upper resistance current value C: lower resistance current value D: upper limit current value E: Lower limit current value

Fig. 1 is a schematic block diagram of the curtain body control device of the present invention.

FIG. 2 is a waveform diagram of electric motor current for overcurrent protection of the present invention.

Fig. 3 is a waveform diagram of the electric motor current of the present invention for detection of travel obstruction.

Fig. 4 is a current waveform diagram of the electric motor for automatically setting the stroke according to the present invention.

Fig. 5 is a schematic diagram of the amplification auxiliary circuit of the present invention.

1: Electric motor

2: Power supply module

3: Control module

4: curtain body

5: Current detection module

6: Storage module

Claims (7)

A curtain body control device, comprising: an electric motor; a power supply module, the power supply module is electrically connected to the electric motor, and the power supply module can supply power to the electric motor; a control module, the control module Electrically connected to the electric motor; a curtain body, the curtain body is connected to the electric motor, the control module can control the rotation of the electric motor, and is used to control the electric motor to drive the curtain body to rise, fall and stop; and A current detection module, the current detection module is electrically connected to the electric motor and the control module, the current detection module can be used to detect the operating current of the electric motor, and transmit the signal to the The control module can monitor and analyze the fluctuation characteristic value of the operating current of the electric motor, so as to achieve the detection function of the curtain moving obstacle: wherein the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor Analysis can also achieve the function of automatically setting the stroke. When the curtain body control device is installed for the first time, the electric motor can be controlled to drive the curtain body to rise to the upper limit to obtain an upper limit current value, and to lower to the lower limit to obtain To the lower limit current value, through the automatic setting of the stroke, let the electric motor detect the upper limit point and the lower limit point of the curtain body. The curtain body control device as described in claim 1, wherein the current detection module detects the operating current of the electric motor to obtain the fluctuation characteristic value of the operating current of the electric motor, so as to set an upper resistance current value and The upper resistance current value and the lower resistance current value are within the normal operating range. The curtain control device as claimed in item 1, wherein the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor can also achieve the function of overcurrent protection. The curtain body control device as described in claim 3, wherein the current detection module detects the operating current of the electric motor to obtain the fluctuation characteristic value of the operating current of the electric motor to set a predetermined current value, in which When the current value of the running current of the electric motor exceeds the predetermined current value, it is judged as an overcurrent, and the detection value of the running current of the electric motor is amplified by means of an operational amplifier. A curtain body control method, comprising the steps of: providing a curtain body control device, including an electric motor, a power supply module, a control module, a curtain body and a current detection module, the power supply module is electrically connected to The electric motor, the power supply module can supply power to the electric motor, the control module is electrically connected to the electric motor, the curtain body is connected to the electric motor, the control module can control the rotation of the electric motor, and To control the electric motor to drive the curtain body to rise, fall and stop, the current detection module is electrically connected to the electric motor and the control module; and the current detection module is used to detect the operating current of the electric motor , and transmit the signal to the control module, and monitor and analyze the fluctuation characteristic value of the operating current of the electric motor, so as to achieve the detection function of the curtain moving obstruction: wherein the operating current of the electric motor Monitoring and analysis of the fluctuation characteristic value can also achieve the automatic setting function of the stroke. When the curtain body control device is installed for the first time, the electric motor can be controlled to drive the curtain body to rise to the upper limit to obtain a current value of the upper limit, and to drop Go to the lower limit to obtain the current value to the lower limit, so that the electric motor can detect the upper limit point and the lower limit point of the curtain body through the automatic setting of the stroke. The curtain body control method as described in claim 5, wherein the current detection module detects the operating current of the electric motor to obtain the fluctuation characteristic value of the operating current of the electric motor, so as to set an upper resistance current value and The upper resistance current value and the lower resistance current value are the normal operating range; when the control When the electric motor drives the curtain body to rise, if the operating current is higher than the normal operating range, it means that there is an obstacle affecting the curtain body to rise, and the operation of the electric motor is stopped immediately; when the electric motor is controlled to drive the curtain body to descend When the operating current is lower than the normal operating range, it means that there is an obstacle affecting the curtain body to drop, and the operation of the electric motor should be stopped immediately. The curtain body control method as described in claim item 5, wherein the monitoring and analysis of the fluctuation characteristic value of the operating current of the electric motor can also achieve the overcurrent protection function, and the current detection module detects the electric motor The running current of the electric motor is used to obtain the fluctuation characteristic value of the running current of the electric motor to set a predetermined current value. When the current value of the running current of the electric motor exceeds the predetermined current value, it is judged as overcurrent, and a The detection value of the operating current of the electric motor is amplified by means of an operational amplifier.

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