The windows in the apartment or in the house - this is one of the key elements, combining several functions: aesthetic, ventilation and insolation. To give the window its uniqueness and associate with the design of the rest of the house, use curtains, designs and colors that the market offers today a huge variety.
Motorized roller blinds are a very convenient invention.
Content
Roller blinds is one of the most compact decisions when choosing.
Roll-type curtains are compact on their own, and when placed on the window sash they also leave the sill free.
The advantages of roller blinds:
The classic pattern of roller blinds consists of a material wound on a shaft. Canvas curtains treated with a special compound that protects it from dust and dirt. The shaft is attached with PVC brackets to the frame or to the glass. For mounting brackets use screws, double-sided tape or glue.
The simplest models of roller blinds have an open design.
The shaft with fabric curtains rolled up is fixed horizontally in the upper part of the window so that the shaft is in free rotation and, if necessary, pulling on the edge of the fabric, it can be lowered to the lower edge of the window.
The shaft with the fabric of the curtains can be placed in the case or in the open position. The difference between these design features only in price and complexity of installation. Roller blinds with an open shaft are cheaper and easier to install.
In cassette products the canvas is hidden in the body, and the sides of the fabric can be fixed with the help of guides.
When the window is open, a draft may occur which will cause the curtains to move, therefore, small magnets are used for fixing either the guide lines.
At the bottom edge of the curtains attach a plastic rod, the edges of which are holes. Through these openings, a kapron, imperceptible but durable fishing line, which plays the role of a guide, fixing the fabric on the sides, is passed.
Scaffold keeps the curtain with the window sash open
Also use the fixation of curtains in the unfolded position with the help of magnets, which are inserted into a horizontal rod and attached to the frame along the lower edge of the window.When closing the curtains, the magnets are attracted to each other, providing a secure fit.
The drive mechanisms for roller blinds are the most diverse, but they differ fundamentally in type:
Manual drive means a mechanical effect on the controls, the hand in this case - the control.
Such an element can be a lever, a cord, a rotating rod, or a spring mechanism that returns the curtain to an open state when their fixation is removed.
Curtains with a spring mechanism can be installed both at the top and at the bottom of the window sash
An alternative to manual drive is automation. For raising and lowering the blade, electric motors of direct current or single-phase asynchronous motors are used, which receive a signal from the control unit, which in turn receives signals from the remote control.
With remote control, you won't have to get out of bed in the morning to open the curtains.
Automatic roller blinds on the market are represented in a huge range, the difference between models from each other, primarily in functionality and quality.
Electric curtain drives for curtains have compact dimensions and are located inside the sleeve on which the curtain is wound
Electric curtains can be either a separate element or a part of the Smart Home system. Depending on the functionality of the automation, opening and closing of the curtains can be programmed for certain opening and closing hours. Versions with settings for opening or closing curtains when the sun rays hit them are also possible.
One of the market leaders in the production of electric driven and remote-controlled rolshtor is the French company Somfy.
Somfy has established itself as a reliable manufacturer of electric drives and control devices for roller blinds.
Somfy produces several variations of drives for roller blinds, there are plenty to choose from, and on the official website you can order the product you like.
“LS40” is an electric drive that is located inside a round shaft. And driven by a microswitch.
Electric drive for roller curtains series LS 40 Somfy
The switch can be rendered as a button, or integrated into the automation system and driven by a remote control. The main advantage of this type of roller blinds drive is space saving.
Rolling curtains with switches
Technical parameters of LS-40 series
Another modification of the rolshtor electric roller drive is the LT50. Its difference from the younger brother lies in the fact that it is equipped with an extreme position sensor. When the curtains are completely closed or opened, the sensors turn off the power supply to the drive.
Technical parameters of the LT 50 Series
Low voltage drives are used to save space. The fact is that electric motors designed for 24 volts with dimensions much less than 220 volt motors.
The transformation of the alternating voltage of the network 220 Volt to the constant 24 Volt occurs with the help of a transformer and a diode rectifier. They are located in the control unit.
In addition to saving space, low-voltage electric drives are less dangerous if moisture enters.
Standalone electrical actuators WireFree use for lithium batteries AA, which makes the installation of roller blinds independent of electrical wiring and the location of sockets.
Batteries, as a rule, are placed in a separate tube
The drive is equipped with a radio wave receiver and an infrared emitter. Operated only from the remote control.
The principle of operation of electric-driven roller blinds with automatic or remote control can be divided into two components.
Control circuit
In this circuit, a team is formed or created a power unit. Such a command in the form of an electrical impulse arises when a button is pressed on the remote control or by a photocell triggering, a timer, etc. Automatic and remote control combine, that is, the command given by the sensor can be canceled by the remote control and vice versa, the configured timer will work at a specified time, but the remote control can cancel the action.
The 24 Volt electric curtain control circuit is somewhat more complicated due to the power supply.
The control circuit also includes safety fuses if a low-voltage drive is used - a step-down transformer and a rectifier bridge. The control circuit also includes position sensors, limit switches in the closed and open state.
Power unit
The power unit is a direct electric drive. This element directly converts electrical energy into mechanical rotation. When a signal is received from the control unit, the power supply circuit of the electric drive is turned on, and that, in turn, creates torque on the shaft, which is set in motion by the action of this moment.
The drive is placed inside the roller blind shaft
Saving space - the curtains are attached directly to the window, which means that for effective closure from sunlight and prying eyes you will not need bulky hinged curtains and large areas of the canvas. Unpretentious maintenance. Due to the special coating, the curtain repels dust; for cleaning it is enough to wipe the canvas with a damp sponge. Application in structurally complex rooms, which include rooms with large panoramic windows, verandas, and bay windows. Classic curtains with curtains for such solutions will be massive, and manually moving them is problematic. Roller blinds can be mounted on each window span, and remote control of a group of electric drives will allow opening and closing such blinds with one touch of a button.
Electric roller blinds are irreplaceable on large windows or where access to curtains is limited
Comfort. The curtains on the control panel, using sensors and photocells, independently react to any weather changes. You can also customize work on a timer, for example, closing curtains in the dark. The automation system can be integrated with the security system. When all residents leave the house, the curtains will close automatically. When a fire alarm is triggered - roller blinds will open.
Price. Of course, electric roller blinds with an automatic control system will be an order of magnitude more expensive than a regular cornice.
The cost of one electric drive “Somfi” with a control system is in the range from 8,000 to 32,000 rubles.
When buying should pay special attention to the quality of the drive. The more reliable the electric motor, the longer the life of the curtain
The need for power. If you use a type of electric WireFree, you will inevitably have to periodically change batteries. When choosing a low-voltage drive, you need to take care in advance about leading the power supply to the installation site. Also, the operation of electric curtains depends on the health of the power supply. Any force majeure blackout at the substation will disable the curtains. As with any automatics, the curtain control system can fail and repair will require the help of an electronics technician. Electronic curtains on the windows are no exception.
Options for the use of roller blinds are huge.Rolshtora look great in the following premises:
The curtain design must match the interior of the room.
Curtains from synthetic fabrics resistant to pollution and humidity are more suitable for the kitchen
To decorate the windows in the baby’s room, use curtains depicting fairy-tale characters or other images of children's themes.
It is more expedient to use roller blinds in cases when there is a large panoramic window, which can be closed by a curtain with a classic canvas, but it will be difficult to move it from its place during operation.
For windows facing the shady side of the house, it is better to select light fabrics
And vice versa, the dense curtains of dark colors will best save you from hot sunshine
Also the windows, which are located in the bay window, are much simpler and more aesthetically advantageous to close with rolshtory.
In the bay window, a separate curtain is installed on each flap.
A summer veranda with panoramic windows in the entire wall or openings will also be the place where electric roller blinds fit perfectly.
For the veranda, it is necessary to select models designed for outdoor use.
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