JP3229872B2 - Electric blinds - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to an electric brine.To
Especially in the blindsThe angular position of the blade orDescent
A power supply that allows you to easily specify or release the location
Moving brineToIt is about. [0002] 2. Description of the Related Art Electric blinds conventionally proposed.
ofWhen setting the angle position of the blades, raise and lower the blinds.
When the operation is performed, the blade performs the closing operation, and then,
The desired blade from the command means each time the blade angle
The operation for resetting the angle is performed.Also,Electric bus
LinedThe setting device of the descent height is the rotation of the elevating shaft
And a speed reduction mechanism using a cam and the like. sand
In other words, reduce the rotation speed of the lifting shaft
Open and close contacts such as linked microswitches to drive
The machine is stopped. And when changing the descent height
Is a switch that turns on and off the micro switch in the speed reduction mechanism.
Adjust the threaded bolts of the
Stopping or slowing down the motor
The descent height was adjusted by controlling the energization time. Paraphrase
Change the energizing time of the motor by changing the position of the cam
I have. [0003] However, this is not the case.
Una conventional electric blindSetting the angle position of the blade
In the method, when the blind is raised and lowered, the blades
Perform a close action and Later, the desired blade angle
To the desired blade angle from the command and command means
There is a need. In addition, such conventional electric blinds
AccordingWhen setting the descent height, adjust the cam position.
Therefore, when setting the descent height, be sure to
Place the blinds on the window sill, lower the blinds,
On the blinds according to the height of the window frame
Cut and drive while operating the electric blind
It was necessary to make adjustments in a system. For this purpose,
The disadvantage of requiring a lot of time and labor to adjust the mounting
was there. Also, due to long-term use and changes over time,
The friction state and position of the system change, the descent height changes,
It is necessary to adjust the descent height manually each time,
The mechanism for combining cams, gears, and screw bolts is
It has the drawback of being rough and costly.
Was. [0004] Therefore, a primary object of the present invention is to provide a tuning system.
Can eliminate the need for adjustment work,Preset blade angle position
Or it can be set easily and securely at the descent height position
it canIt is to provide an electric blind. [0005] Means for Solving the Problems The present inventionEyesThe target isIn advance
Set blade angular position or descent heightSet the position
Provided in command means such as a controller,
From such command meansBlade angle position or descent height position
PlaceThis can be achieved by making settings. That is, the electric brine according to the present inventionDo
IsOpen and close the blind blades according to the rotation of the motor
An electric blind, comprising: opening and closing a blade of the blind.
Command means for commanding the
A plurality of blades, the motor and the rotation of the motor.
The cord member is rotated according to the winding or rewinding.
To raise and lower the blind and open and close the blind.
A head box for housing the head box,
Connection means for connecting to the command means
In the above, the opening / closing operation of the blade is provided in the command means.
After the operation, set the opening and closing position of the blind slats
Means for releasing blade position setting for releasing
The command means and the head box provided in a stage;
Set and release the opening and closing angle of the blind blades between
To set and release the open / close position to perform
Coupling means for providing in the headbox
Opening and closing the blind blades according to the rotation of the drum
Blade opening / closing angle detecting means for detecting an angle, and the command means
Of the blind by the command to open or close the blade
The angle of the blade is determined based on the signal from the root opening / closing angle detector.
The microcomputer to calculate and the data of the angle are stored sequentially.
Rewritable memoryエRear and the wings of the blind
The opening and closing angle position setting for canceling the setting of the root opening and closing angle
The angle of the blade of the blind is determined by a signal from the releasing means.
The microcomputer that calculates the degreeApply the specified input after the stop signal.
Remembered at the fixed timeRewritable memoryー
DThe data of the angle of the rear blade is
Rewritable memory for storing angular positionエReATurn
Rewritable memoryエReAAngle position of the wing
Rewritable memory for storing dataエReA
Storage having two storage areas (memory areas A and B)
Means and a blind wing for detecting the opening / closing angle of the blade
Based on the signal from the root angle detecting means, the signal is
Microcomputer that calculates the angle of the lined blade can be rewritten
Functional memoryエReAMemorize and the blind
Opening and closing position for setting and releasing the opening and closing angle of the blade
Corner at any position set by the signal from
Memory capable of rewriting the value of the degree positionエReAMemory
Value (data) and memoryエReARemember
The value (data) of the angular position of the blade
Determining means for determining whether or not the values of
Rotating the electric motor in response to an open or close command from the means.
Then, the string-shaped member is rewound or wound by the drum.
Opening and closing the blades of the blind,
The value of the open / close position of the blade of the microcomputer (data
Rewritable memory for storing dataエReATransfer
And rewritable memoryエReAThe open / close position of the blade
Data has been determined to match the stored value.
Control means for stopping the electric motor,
Multiple storage devices for storing angular positions of blind blades
And the angle of the blade is set by the angular position setting canceling means.
The position is set and released. Also, the motor
Electric blinds that raise and lower and open and close blinds according to rotation
The blind is raised, lowered or stopped.
Command means for commanding stop and slat opening and closing;
A plurality of blades connected by a shape member;
BizenPower storageBy rotating according to the rotation of the motive, the cord-shaped member
Winding, or rewinding, raising and lowering the blind and
A headbox containing a drum for opening and closing,
For connecting the headbox and the command means
Connection means, provided in the command means.
After the stop operation, the blind descends to the bottom
Lower limit position setting release means for setting and releasing the lower limit position
And the blade position to release the slat open / close position
Setting canceling means, and the command provided in the connecting means,
Lowering the blind between the means and the headbox
Set and release the lower and lowermost position and set the slat opening and closing angle.
Set lower limit position and open / close position to set and release
Coupling means for transmitting and receiving signals for release and release;
Mounted inside the storage box, and according to the rotation of the drum
To detect the blind descent position and opening / closing angle
Position detecting means and opening / closing angle detecting means, and the command means
The above-mentioned block is instructed by ascending or descending from
Signals from the line position detection means and the opening / closing angle detection means
Calculates blind position and blade angle based on signal
The microcomputer and its position and angle data are stored sequentially.
Rewritable memoryエRear and descending of the blind
Before canceling the lower limit position to be lowered and the opening / closing angle
The lower limit position setting canceling means and the opening / closing angle position setting canceling means
Calculates the position and angle of the blind from the signal from
The microcomputer that performsExecutes a predetermined input for a predetermined time after the stop signal
Was remembered whenRewritable memoryエRear
The height and angle data are
Rewritable memory for storing data and angular positionー
DReAMinimum position, angular position, and angular position data
Rewritable memory for storingエReATwo memories
Storage means having areas (memory areas A and B);
Blind position detection to detect the vertical position and opening / closing angle
Means based on the signals from the
To calculate the position of the blind and the angle of the blade.
Icon rewritable memoryエReARemember and
First, the lowermost position at which the blind descends is set and solved.
Of the lower limit position setting release means and opening / closing angle
By a signal from the open / close position setting release means for release
Lower limit position and arbitrary angle position of any set position
Rewritable memoryエReALet me remember
Value (data) and memoryエReARemember
Compared with the values of the lowermost position and the angle position,
Determining means for determining whether or not there is a match;
The motor is rotated in response to the
The string-shaped member is rewound by the drum and
Lowering and opening and closing the command, and by the determination means,
Record the value (data) of the lowest position and open / close position of the microcomputer.
Rewritable memory to rememberエReATransfer and rewrite
Available memoryエReAThe data of the lowermost position and the open / close position
Data has been determined to match the stored value.
Control means for stopping the electric motor,
Blind stop position, lower limit position and blade angle position
A plurality of storage devices for storing the lower limit position setting
Setting of lower limit by release means and angle position setting release means
And release and setting and release of the angular position. The electric blind according to the present inventionIs the command hand
The motor is rotated according to the opening or closing command from the gear.
Use the drum to rewind or wind
Open and close the Indian wings and determine the microcomputer
Rewritable to store the value (data) of the open / close position of the blade
Transfer to a functional memory (PRAM) area and rewrite
Open / close position of the blade in the available memory (PRAM) area
Was determined to match the stored data with the stored value
The motor is stopped accordingly, and the angular position of the blade
The setting and cancellation of the position are performed. Also, the command means
Rotation of the motor in response to the
Rewinds the string-like member with a drum and lowers the blinds
And open / close the discrimination means to determine the lowest
Rewritable to store the position and open / close position values (data)
Transferable to a simple memory (PRAM) area for rewriting
Memory (PRAM) area at the lowest position and open
It is determined that the closed position data matches the stored value.
The motor is stopped according to the
And release and angle Set and release the positionYou. [0008] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As a step, For example, setting the blind drop height
InFor accommodating blind lifting equipment
Command head box and blind lifting or machining
Command means for controlling the
And a plurality of blades connected by a string-shaped member
For electric blinds,
It rotates according to the rotation of the motor, and winds up the string-shaped member.
Or a drum to rewind and raise and lower the blinds
And a pulse that generates a pulse signal according to the rotation of the drum
Arbitrary signal generation means and lower limit of blind lowering position
Lower limit position setting using a dip switch that can be set to
Counting means, and the generated pulse signal is counted, and the counted value is calculated.
Is equal to the value set by the lower limit position setting means?
A determination means for determining whether or not the motor is activated;
Rotate and rewind the string-like member with a drum and brine
And the count value is set by the lower limit position setting means.
The motor is activated when it is determined that the value matches the
Could be configured with control means to
You. However, the lower limit of the electric blind as described above.
In the position setting means, the control built in the headbox
Section is provided with a lower limit setting switch,
Sets the lower limit of blind lowering. this
Set the switch at the factory according to the height of the window to be installed.
Select the combination as appropriate and match the height to the window. However
Incorrect setting of window height or lower limit setting switch of blind
If there is a mistake in setting, etc.
There are gaps because the line does not come down and the bottom of the window frame
The blinds hit the screen and the blinds are loosened.
A match occurs. To change this, set the lower limit switch
Change the setting and position it at the height of the installed window
Must be set again at the installation site. However, the lower limit setting switch is used for the head.
It is provided in the control unit in the box. Therefore its lower limit
The work of resetting the setting switch is that the head box is a window, etc.
The workability is very poor because it is at the top of the office,
Significantly on site where many blinds are installed such as conference rooms
Decreases work efficiency. After installing the blinds, the window frame
If you follow other ornaments such as potted plants at the bottom of the
When lowering the blinds at the bottom of India
To avoid hitting, each time you drop
To stop blind lowering while watching the descent
Or reset the lower limit setting switch as described above.
You need to do it. But this reconfiguration is generally
It is necessary to ask the construction company that installed the blinds. The above problems can be summarized as follows.
The lined descent position setting device has the following problems.
ing. (I) After installing the blind on a window or the like
Is the lower limit setting switch provided in the control unit in the headbox.
Change in the work efficiency is extremely poor and easy
It can not be changed. (Ii) Refine the lower limit setting range
Requires more combinations of lower limit switches.
The number of limit switches increases, which increases costs. Also set
Fixed operation becomes complicated. Therefore, in the present invention, the descent of the electric blind
Set the position height as shown below to
Eliminate the titleAnd setting and release of the blade angle position
Easy and reliablelineSo thatdid. First, referring to FIG. 2 and FIG.
One embodiment of the present invention will be described in terms of an external configuration. Figure 2
With reference to the conventional electric blind, a slat 13 and a slat 13 are provided.
A head in which a device for vertically driving the rat 13 is housed.
Control the upper and lower sides of the box 15 and the slat 13
2 and a controller and a headboard
And a connection cord 20 for connecting the connection cord. Headboat
Box 15 is to raise and lower the ladder code 11
Lifting unit for raising and lowering the slat 13
6, 7, 8 and gears for rotating the lifting unit
Motor 4, a control unit 3 for controlling the rotation of the motor,
To transmit the rotational force from the motor to each lifting unit.
And a lower shaft 12. The controller 2 raises the slat 13
Switch 21 to stop the movement of the slats
Switch 22 for lowering the slat 13
Switch 23 for opening the slats
A switch 24, a closing switch 25 for closing the slat,
including. The power cord 1 and the controller 2 are connected to the control unit 3.
Continued. The control unit 3 includes a microcomputer and a power supply unit.
And so on. The control unit 3 includes an electric motor and a reduction gear.
The geared motor 4 thus configured is connected. gear
The rotating shaft of the lead motor 4 is moved up and down through the coupling 5.
It is connected to the shaft 12. The lifting shaft 12 includes
The lifting units 6, 7, and 8 are connected. these
Built in lifting units 6, 7, and 8
And fault switch (not shown) and upper limit switch 16 are wired
The material 9 is connected to the control unit 3. In addition, wiring material
9 includes wiring to the geared motor 4 and the controller 2
Is also included. Lifting units 6 and 8
Includes a winding drum 37 and a ladder drum 39,
The knit 7 includes only the ladder drum 39. Lifting tape 1 is mounted on winding drum 37.
0 (this may be a string) is fixed at one end
Have been. The other end of the lifting tape 10 is plural
Through the hole 13a of the slat 13 and the bottom rail 14
Fixed to. Then, the winding drum 37 is moved up and down
The lifting tape 10 is wound up with the rotation of the shaft 12
Slat 13 and bottom rail
14 is raised and lowered. The ladder drum 39 has a ladder drum.
-One end of the cord 11 is fixed,
The end is fixed to the bottom rail 14. This ladder code 11 has a slat 13
For example, it corresponds to a width of 50 mm, 25 mm or 15 mm
And a pair of 11a and 11b at a distance from each other.
The two ladder codes 11a and 11b are
At intervals corresponding to the pitch p of the rat 13, for example, a ladder
It is tied by the horizontal string 11c in the shape. Slat 13 is a ladder
It consists of cords 11a and 11b and a cord 11c in the horizontal direction.
It is inserted and held in a ladder-shaped space. So
Then, the rudder drum 39 moves as the elevating shaft 12 rotates.
To control the degree of opening of the slat. Note that
Tom rail 14 can be used to lower the blinds
Weight to prevent the blinds from swaying after the descent
Perform the function of The control unit 3, the geared motor 4, and the lifting unit
6, 7 and 8 are head boxes 15 constituting an outer box.
Covered by The lower part of this headbox 15
Is provided with an upper limit switch 16.
Switch 16 is slat 1 when it rolls up the blinds.
3 to operate to detect the upper limit position.
The upper limit switch 16 is an electronic switch such as an optical sensor.
May be configured. FIG. 4 is a schematic block diagram of an embodiment of the present invention.
FIG. Next, referring to FIG. 4, one embodiment of the present invention will be described.
The electrical configuration of the embodiment will be described. Power transformer 31
, AC power is input via a power cord 1. Electric
The power transformer 31 lowers the input AC power to reduce
Pressure to the stabilizing power supply section 32, the control section 3 and the geared
The power supply required for Moda 4 is created. Microcon
The pewter (hereinafter, referred to as MPU) 34 has a motor drive
The driving circuit 33 is connected and responds to a command from the MPU 34
To rotate the geared motor 4 forward, reverse or brake
Control with Here, the brake mode is defined as motor drive.
Short the input terminal of the geared motor 4 via the circuit 33
Thus, the input terminal of the geared motor 4
Breaking the geared motor 4 by short-circuiting
Can be applied. Ie, for example, brine
Those who artificially descend the inertia and blinds due to the descent
Mechanical gearing, such as when pulling strongly
When a rotational force is applied to the motor 4, the geared motor 4
It produces back electromotive force, which is the principle of a generator. So, the input end
Direction to prevent this rotation by shorting between children,
That is, a current for reverse rotation flows, and the geared motor 4
Will stop. MPU34 has a voltage detection circuit
35 are connected. This voltage detection circuit 35
It detects the voltage of the power supply Vcc to be supplied. sand
That is, the voltage detection circuit 35 is supplied from the power cord 1.
The voltage is monitored on the low voltage side via the transformer 31.
You. This MPU 34 is an electric bridge which will be described later.
RAMA and RAMB for setting the drop position of the
No. RAMA is a photointerrupter 38 described later.
Counts the intermittent signal from the
The blind height from the upper limit position.
This is the part to remember. RAMB is input from the controller
Is the part that memorizes the height of the lowered blind position
You. The failure switch 36 is connected to the lifting unit 6 and
8 built-in, as an example of trouble
India hits obstacles while descending
When the descent operation is stopped, the geared motor 4
Continues rotating in the descent direction, the lifting tape 10
Is loosened, and if this continues, the take-up drum 37
Lifting tape 10 deviates, then raises blinds
Take up the lifting tape 10 even when trying to raise it
And a significant failure will occur. In order to prevent this, a lifting table
A mechanical switch or light
Or magnetic sensor, and the detection output
The force is input to the MPU 34 via the motor drive circuit 33
The geared motor 4 is stopped. this
To set the motor drive circuit 33 to the brake mode.
You. The MPU 34 is optional after the geared motor 4 stops.
Time and flip the blinds and lift
After the loosening of the tape 10, the geared motor 4
Stop. The take-up drum 37 rotates the geared motor 4
Winding or rewinding the lifting tape 10
To move the blinds up and down.
And guides 371 and 372 for the taping tape 10. Ma
For example, a slit 373 is provided around the guide 371.
Are formed. In addition, separately from the winding drum 37,
Attach the plate to the other part of the shaft 12
A slit may be formed, rotation of the elevating shaft 12,
Or even if the rotation of the motor shaft of the geared motor 4 is detected
Since the same effect can be obtained,
Absent. In connection with the guide 371 of the winding drum 37
A photo interrupter 38 is provided. This photo
The interrupter 38 is formed in a guide 372 of the winding drum 37.
Optically detects the intermittent of the slit 373 formed and moves up and down
The rotation of the shaft 12 is converted into an electric signal,
You are typing. That is, the MPU 34 controls the winding drum 37
Of the lifting tape 10 by the rotation of
The fall can be known by the electric signal. Ladder dora
As described above, one end of the ladder code 11 is
Is fixed, and the rotation of the ladder drum 39
By changing the angle of the slat 13 and changing the input amount of external light,
The room is set to an appropriate brightness and the outside light is blocked.
You. The ladder drum 39 penetrates the elevating shaft 12.
With frictional force through the drum shaft 40 passing through
Mated. Lift shaft 12 and drum shaft 40 are integrated
(Synchronous) rotation, but the rudder drum 39 is almost half turn
When turned, it is provided by the head box 15 and the like.
The rotation of the ladder drum 39 is stopped by a projection (not shown).
It is stopped and slips with the drum shaft 40 and idles. Ma
When the elevating shaft 12 is reversed, the ladder
The drum 39 is also inverted, but in the same manner as described above,
It hits a projection such as the storage box 15 and idles. ladder
When the drum 39 rotates almost half a turn, the slat 1
3 rotates, and the angle of the slat 13 changes. Sand
That is, whether the slat 13 is inclined and closed on the indoor side
Open horizontally, and then close to the outdoor side
Change to a twisted state. The elevating shaft 12 is based on the above-mentioned theory.
When rotated in the opposite direction to Ming, the rotation of the slat 13 is reversed
I do. In other words, the water will be
Opened flat, tilted and closed indoors
Be in a state. At one end of the ladder drum 39, this ladder drum
A slit 391 for detecting the rotation of the drum 39 has a shape.
Has been established. Insert this slit 391 into the ladder drum 39
The angle is set to correspond to almost half a rotation of
In order to detect the position of the lit 391, a photo
A stopper 41 is provided. This photo interrupter 41
The position of the slit 391 is detected and converted into an electric signal.
Give to PU34. The MPU 34 responds to this electric signal.
And the angle of the ladder drum 39,
You can know the angle. The lower limit position setting switch 42
Set the lower limit position when the blind is lowered
In this embodiment, four switches are used.
ing. The switches 21 to 2 of the controller 2
5. The clock generation circuit 43 and the reset circuit 44
Connected to PU34. FIG. 1 shows a specific operation of one embodiment of the present invention.
It is a flowchart for demonstrating a work. Next, FIG.
Referring to FIG. 4, specific operation of one embodiment of the present invention
Will be described. When the power cord 1 is energized,
The AC power is converted to a low voltage by the transformer 31 and
It is supplied to a stabilizing power supply 32. Stabilized power supply is required for control unit
To drive the stable and stable power supply Vcc and geared motor 4
Power supply VM. First, raise the blinds
At the time, the lift switch 21 provided in the controller 2
Operate. MPU 34 is a signal from the up switch 21
To intermittently close the slats 13
The signal is given to the motor drive circuit 33. In response, the motor drive circuit 33
The motor 4 intermittently. Geared motor 4 intermittent
When rotated, this rotational force is transmitted through the coupling 5
The intermittent rotation of the elevating shaft 12. Elevating shuff
With the rotation of the drive 12, the take-up
And the rudder drum 39 is rotated. Intermittent
As a result, the ladder drum 39 slowly rotates due to the rotation.
One of the ladder codes 11 while rotating, for example, the ladder
If the cord 11b is wound up,
Go down the dark code 11a. That is, the ladder drum 3
9 rotates in the direction of the arrow in FIG.
Durcode 11b side goes up, 11a side goes down
Become. Thereby, the slat 13 rotates in the direction of the arrow.
Then, it is closed. The ladder drum 39 rotates, and the ladder drum 39
The slit 391 provided in the ram 39 is
The output signal of the taper 41 is intermittent and the pulse signal is
34. MPU34 also has a ladder drum
When 39 rotates, the slat 13 closes gradually.
Then, the pulse signals are counted sequentially. Slat 13
The rudder drum 39 rotates until it is completely closed.
Then, a projection (not shown) provided on the ladder drum 39
Corresponds to the protrusion 45 shown in FIG.
Idle. Therefore, the power from the photo interrupter 41 is
The loose signal is no longer provided to the MPU 34. Accordingly, M
The PU 34 determines that the slat 13 has been closed.
Also, the MPU 34 checks whether the lift switch 21 is operated.
The pulse signal output from the photo interrupter 41
Is counted, and the counted value is moved by the slat 13
The angle is stored in a memory (not shown). Next, the MPU 34 is connected to the photo interrupter 4
When the pulse signal from 1 is no longer given, the motor drive
The circuit 33 is supplied with a continuous winding signal. Depending on the
The motor drive circuit 33 continuously drives the geared motor 4 from intermittent rotation.
Change to continuous rotation and move on to the operation of winding up the blinds. That is, the geared motor 4 rotates continuously.
As a result, the winding drum 37 rotates continuously,
The winding tape 10 is wound up. Lifting tape 10
Since the other end is fixed to the bottom rail 14,
From the bottom of the gate 13 sequentially. Blind rise
When stopping, the stop provided in the controller 2
The switch 22 is operated. MPU34 is the stop switch 2
2. A stop signal is sent to the motor drive circuit 33 in response to a command from
give. Accordingly, the motor drive circuit 33
Stop the data 4. At this time, the motor drive circuit 33
Short the input terminal of the yard motor 4 and
Brake the vehicle to stop. This is a well-known technique.
Therefore, the detailed description is omitted. Next, as described above, the MPU 34
In order to return to the remembered angular position of the slat 13, the MPU
34 gives a reverse intermittent signal to the motor drive circuit 33
For example, the ladder drum 39 is moved in the direction opposite to the arrow shown in FIG.
To reverse. As a result, the ladder code 11
Performs the reverse operation of the description, and the slat 13
It rotates in the opposite direction and opens. At the same time, the MPU 34
The pulse signal is counted from the interrupter 41 and
If the count value matches the input count value, the MPU 34 drives the motor.
To stop geared mote 4 with respect to motion circuit 33
And the geared motor 4 is stopped. It
Blind stops, slats 13 before climb
The angle is automatically adjusted. The operation for lowering the blind is
The lowering switch 23 provided on the controller 2
It is done by doing. The blind descent is
It is performed by performing the operation that is almost the
You. By operating the stop switch 22 of the controller 2,
At that time, the geared motor 4 stops and the blind stops.
I do. Also, the angle of the slat 13 is the same as described above.
Then, it is automatically adjusted to the angle before descending. Next, the method of setting the blind descent height will be described.
explain about. Descent height of blind according to the present invention
The setting of the stop and stop provided in the conventional controller
This is performed using the lower switch. Only this descent position setting
Instead of setting by DIP switch described in the prior art
May be used in combination. FIG. 1 shows the lower part of the electric blind according to the present invention.
It is a flowchart which shows the procedure of a limit position setting. Below figure
This will be described with reference to FIG. When the up switch 21 is input
The MPU 34 drives the geared motor 4 via the drive circuit 33.
Rotate and the blinds rise. From controller 2
If there is no input, the upper limit switch 16
Until the switch 13 is pressed, and the upper limit switch 1
6, the MPU 34 receives this input and the motor
The geared motor 4 is stopped via the drive circuit 33.
The blinds stop. At this time, the blind is at the maximum
Is located at the same time as the upper limit switch 16 is input.
Next, the MPU 34 initializes the height data, and moves up this position.
Limit value. Next, the descent switch 23 of the controller 2 is
As you type, the blind begins to descend. Descent begins
At the same time, the photo interrupter 38 is
The intermittent signal is sent to the MPU 34 by the slit 373 provided.
input. The MPU 34 counts this intermittent signal.
The number of rotations of the winding drum 37 is known from the
Know the amount of descent (height) of. I want the height of the blinds
Visually confirm that it has dropped to the lowest
The user inputs the stop switch 22 provided at the second position. MPU34
In response to this input, geared
Stop the motor 4 (brake mode). blind
Stops. At this time, the MPU 34 is a photo interrupter
The count number of the intermittent signal from 38 is stored in RAMA.
You. Make sure the blinds are at the desired minimum
After that, the stop switch 22 provided on the controller 2 is turned on.
First press, then the time when the descent switch 23 is set arbitrarily
(For example, 2 seconds), the microcomputer 34
Receives this input and sets the current blind position as the lowest limit.
In addition, the above-mentioned count number is set as the lower limit value A in the RAM.
Store it in B. Here, the stop switch 22 is input first.
The reason is as follows. Other switches (up and down, angle
), The blinds immediately
Therefore, it operates. To prevent this, first stop switch 2
Enter 2 and then enter the descent switch to blind
Will not work. Stop switch 22 is input
When the other switch is pressed, the blind
Do not work. (The geared motor 4 remains stopped). In this state, the up switch of the controller 2
When the blinds are raised by operating 21, the MPU 34
Count the intermittent signal from the photo interrupter 38,
Always calculates the height from the upper limit position and intermittently from the upper limit position
The count number of the signal is stored in RAMA. Stop switch
22 to stop the blinds and then the descent switch.
When the blind is lowered by operating the switch 23, the position
Counts the intermittent signal from the photo interrupter 38
Calculate and store the height from the upper limit position in RAMA sequentially
I do. The intermittent signal corresponding to the height from the upper limit position is
It is counted, RAMA and RAMB are compared, and this value
Is equal to the lower limit value A, the microcomputer 34
Is determined to have dropped to the lower limit, and
To stop the geared motor 4 (brake mode).
Blind stops, stop switch from controller 2
22 and the lowering switch 23 at the same time
The blinds have stopped. It is to be noted that the stop switch 22 is
Lower limit set by simultaneous operation of lowering switch 23
The position is determined by simultaneous operation of the stop switch 22 and the up switch 21.
It is released by the work. That is, RAMB is erased
You. In this case as well, first, the stop switch 22 is
, And then the up switch 21 is input. This and
The lower limit depends on the setting position of the lower limit switch 42. Also
With the same idea, the angle of the blade is also set in controller 2.
Open switch 24 and stop switch 22
If you input them at the same time, the current
If switch 25 and stop switch 22 are input at the same time,
The memory of the angle can be erased.
It is easy to set the blade angle, but blind
When changing the lower limit value of the controller 2 as described above,
Stop switch 22 and up switch 21 are optional at the same time
And erase the RAMB storing the lower limit A.
And raise or lower the blinds to the changed position.
After that, the stop switch 22 of the controller 2 and the descent switch
Switches 23 may be input simultaneously. That blind
Is newly stored in RAMB, and this value is
When the value reaches A and the blinds descend,
If the lower limit A and RAMA match, the blind is at the bottom
Will be stopped. [0043] As described above, according to the present invention, the control
Blind drop position height setting for command means such as rollers
Means, the headbox installed at a high place
Commanding means such as a controller away from the
The blind height can be set. Also, descending
Setting of the lower position height is simultaneous operation such as stopping and lowering the command means
Thereby, it can be performed very easily and reliably. did
Even after attaching the electric blind to the window frame, the blind
Adjustment of the descent height of the door is easy. And once set
There is an effect that the change can be easily made even after the change.
As a result, workability during construction and workability during blind assembly
Has been significantly improved, and
To prevent the setting of the lower limit switch from being complicated and setting errors.
And the cost can be reduced.
is there. In the conventional configuration, the blinds are raised and lowered.
The wings perform a closing motion, and then the desired wings
For each angle, set the desired blade angle from the command means.
It is necessary to perform the resetting operation.
Is stored in the storage means, the opening / closing operation is performed by the command means.
You can adjust to the desired blade angle only with the work,
There is an effect that the operation can be simplified. And from the command means
Open and close to stop at the desired angle, and then
Press the tongue and the feather open button at the same time
Enter 2 seconds in the invention) to request the angle of the blade
Angle can be set. And then the blinds
After raising and lowering, the open button operation of the command means blade
Also stops at the desired blade angle,
Easy to stop blades at root angleToit can. further,
To release the set angle, stop button and open
If you press the buttons simultaneously at the same time as above,
Can be removed. Furthermore, after a stop signal, a predetermined input
Of the RAMA area stored at the time when the
Transfer the root angle data to the RAMB area,
Blind operation since it is stored as angle data
The angle of the blades can be set when the
You can set the exact blade angleAnd so on.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flowchart for explaining a specific operation of one embodiment of the present invention. FIG. 2 is a diagram showing an outline of an embodiment of the present invention. FIG. 3 is a diagram showing a main part of a blind winding mechanism. FIG. 4 is a schematic block diagram of an embodiment of the present invention. [Description of Signs] 2 Controller 3 Control unit 4 Geared motor 6, 7, 8 Lifting unit 10 Lifting tape 11 Ladder coat 12 Lifting shaft 13 Slat 14 Bottom rail 33 Motor drive circuit 34 Microcomputer 37 Winding drum 38, 41 Photo interrupter 39 Rudder drum 42 lower limit position setting switch

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E06B 9/32

Claims (1)

(57) [Claims] An electric blind for opening and closing blades of a blind in response to rotation of an electric motor, comprising: command means for instructing opening and closing of the blades of the blind; a plurality of blades connected by a string-shaped member; and the electric motor and the electric motor A head box that accommodates a drum for rotating or winding the string-shaped member to move up and down and open and close the blind by rotating in accordance with the rotation of the cord member, and connecting the head box and the command means. A connection means for setting the position of the slat of the blind after opening / closing operation of the blade, provided in the command means, and a release position setting release means for releasing the opening / closing position of the slat of the blind; An opening and closing position for setting and canceling an opening and closing angle of the blade of the blind between the command means and the head box, provided in the means; Coupling means for transmitting and receiving a setting and release signal; blade opening / closing angle detecting means provided in the head box and detecting opening / closing angles of blind blades according to rotation of the drum; and the command means A microcomputer that calculates the angle of the blade based on a signal from the opening / closing angle detection means of the blade of the blind in response to a command to open or close the blade from the memory; and a rewritable memory that sequentially stores data of the angle.
And over et rear microcomputer for calculating the angle of the blind vane by a signal from the opening angle position setting cancellation unit for setting releasing the opening angle of the blind blades, the predetermined time a predetermined input after the stop signal Note when you go
憶been the data on the angle of the blades of the rewritable memory over et rear, is transferred to the rewritable memory over et Li A for storing the angular position of the vanes of the microcomputer, a rewritable memory over et Li A storage means having a rewritable memory over et Li a and two storage areas for storing data of the angular position of the blade (memory area a, B), the blind vane angle detecting means for detecting an opening angle of the vane based on the signal, it stores the signal in the rewritable note <br/> rie et Li a microcomputer for calculating the angle of the blind wing, and sets and releases the opening angle of the blind wings a signal by the set arbitrary values of the angular position of the position is stored in the rewritable memory over et Li a to have the value of the open and closed positions setting cancellation unit for (data), memory Compared with the values of the angular position of the vane that is stored in the error re A (data), and determination means for determining whether the values match, depending on the open or close command from said command means, The electric motor is rotated to rewind or wind the string-like member by the drum to open and close the blade of the blind, and the discriminating means stores the value (data) of the open / close position of the blade of the microcomputer. depending by that match the value stored data open and closed positions of the blade in the memory over et Li a rewritable by <br/> transfer memory over et Li a is discriminated, stop the motor An electric blind, comprising: a plurality of storage devices including a control means for causing the blade to store an angular position of the blade of the blind, wherein the angular position setting release means sets and releases the angular position of the blade. 2. An electric blind for raising and lowering and opening and closing a blind in accordance with rotation of an electric motor, comprising: command means for instructing raising, lowering or stopping of the blind and opening and closing of a slat; and a plurality of blades connected by a string-shaped member. When,
Rotates in response to rotation of the motor and before Symbol conductive motivation, the cord-like member winding, or a head box that houses the drum for by rewinding lifting and closing the blind, the headbox And a connection means for connecting the command means with the control means, provided in the command means, and setting a lower limit position for lowering and lowering the lower limit of the blind after a stop operation. Release means, blade position setting release means for releasing the setting of the open / close position of the slats, provided in the connection means, and set the lowermost lower limit position of the blind between the command means and the headbox; Coupling means for transmitting and receiving a signal for setting and canceling a lower limit position for setting and canceling the opening and closing angle of the slat, and for opening and closing the slat; Blind position detecting means and opening / closing angle detecting means which are provided in the box and detect the descent position and opening / closing angle of the blind according to the rotation of the drum, and ascending or descending from the command means, and opening / closing commands. a microcomputer for calculating the angular position and the blade of the blind on the basis of a signal from the position detection means and the opening angle detection means of the blind, a memory over et rear rewritable for sequentially storing the data of the position and angle, the blind The microcomputer that calculates the position and angle of the blind by a signal from the lower limit position setting canceling means and the opening / closing angle position setting canceling means for canceling the setting of the lowermost lower limit position and the opening / closing angle at which a predetermined input is performed after a stop signal At the specified time.
Of 憶been rewritable memory over et rear height and angle data, rewritable memory over et lowermost limit position and angular position and angle in re A for storing data and angular position of the lower limit position of said microcomputer rewritable memory over et Li a for storing the data of the position and the two storage areas (memory areas a, B) memory means having a blind position detecting means and the blade angle detecting means for detecting the vertical position and the opening angle based on a signal from, stores the signal in a rewritable memory over et Li a microcomputer for calculating the angular position and the blade of the blind,
In addition, the lowermost position of any position set by a signal from lower limit position setting canceling means for setting and canceling the lowermost lower limit position at which the blind descends and opening and closing position setting canceling means for canceling the setting of the opening and closing angle. and compared with the values (data) that stores the value of any angular position in the rewritable memory over et Li a, and the value of the lower limit position and the angular position is stored in the memory over et Li a Determining means for determining whether or not the values match; and, in response to a descent command and an opening / closing command from the command means, rotating the electric motor, rewinding the string-shaped member by the drum, and closing the blind. by said discriminating means is lowered and opening and closing, rewritable memory over et Li a for storing the value (data) of the lowest limit position and opening position of the microcomputer
Depending By being determined in a rewritable memory over et Li A transfers that match the value stored data of the lower limit position and the open position, the blind and a control means for stopping the electric motor Comprising a plurality of storage devices for storing the stop position and the lowermost position and the angular position of the blade,
An electric blind for setting and canceling the lower limit and setting and canceling the angular position by the lower limit position setting canceling means and the angular position setting canceling means.