JP2000337050A - Motor-driven blind - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a motor-driven blind capable of enhancing operational efficiency by eliminating errors in wiring a plurality of electrical components needed for electrically driving and controlling a screen body. SOLUTION: This motor-driven blind has a plurality of conductive members 52 disposed on the inner vertical walls 12a, 12b of a head box 12 for transmitting signals or electric power along the longitudinal direction of the head box 12, and has conductive brushes 54 provided on the vertical walls 18a, 18b of a drum unit 18 in a manner corresponding to the conductive members 52 to be connected to the drum unit 18. With the drum unit 18 assembled in the head box 12, the conductive brushes 54 of the drum unit 18 are electrically connected to the conductive members 52 to be connected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric blind for electrically driving and controlling a blind shield.

[0002]

2. Description of the Related Art Conventionally, in this type of electric blind, a head box, a shield supported by the head box, and a housing accommodated in the head box are necessary for electrically driving and controlling the shield. A plurality of electrical components. The plurality of electrical components are a power supply unit, a motor, a control unit, an encoder, a limit switch, and the like. These plurality of electrical components are configured to transmit an electric signal or power between predetermined electrical components. They are connected by wire sets.

[0003]

However, in such a conventional electric blind, a lot of wiring is assembled between a plurality of electrical components, and the arrangement of the electrical components in the headbox is changed depending on the width of the blind. Therefore, there is a problem that wiring errors easily occur and work efficiency is extremely poor.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide an electric blind capable of improving work efficiency without causing a wiring error.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a head box (12) and a shield (16) supported by the head box (12) are provided. And a plurality of electrical components (18, 24, 26,...) Housed in the head box (12) and necessary for electrically driving and controlling the shield (16). Multiple electrical components (18, 24, 26, ...)
In an electric blind in which electric signals or electric power are transmitted between the inner walls (12a, 12a) of the head box (12).
b, 12d), a plurality of conductive materials (52, 62) for transmitting the signal or the electric power are arranged along the longitudinal direction of the head box (12), and the conductive material (52) to which the electric component is to be connected is provided. , 62), the terminals (5
4, 74), and each electrical component is provided with a head box (1).
2) In the state where it is incorporated in, the terminals (54,
74) is electrically connected to the conductive material (52, 62) to be connected.

According to a second aspect of the present invention, the conductive material (52) according to the first aspect is formed in an elongated plate shape on the vertical walls (12a, 12b) inside the head box (12). Wherein the terminal is a conductive brush (54) which is provided on a vertical wall of each electrical component and is elastically contactable with the conductive material (52).

According to a third aspect of the present invention, the conductive material (62) according to the first aspect is disposed on a bottom wall (12d) inside the head box (12), and the terminal (74) is connected to the terminal box (74). It is provided on the bottom wall of each electrical component.

According to a fourth aspect of the present invention, a socket (72) or a pin is provided in the head box (12) corresponding to a position where the electrical component according to the third aspect is to be fixed, and the terminal Are pins (74) or sockets provided on the bottom wall of each electrical component and fitted to the sockets (72) or pins, and are provided via the sockets (72) or pins provided in the headbox (12). The terminal (74) of each electrical component is electrically connected to the conductive material (62).

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a blind 10 according to an embodiment of the present invention. In this example, a horizontal blind is taken as an example. However, the present invention is not limited to this, and the present invention can be applied to other blinds such as a pleated curtain and a Roman shade.

In the drawing, reference numeral 12 denotes a head box attached to a window frame or the like. The head box 12 includes a plurality of ladder tapes 1 hanging from the head box 12.
4 supports a number of slats 16 which are shields.

One end of each of the plurality of ladder tapes 14 is attached to a tilt drum 18B incorporated in a plurality of drum units 18 in the head box 12. The drum unit 18 has a built-in take-up drum 18A, and one end of a lifting cord 20 is attached to the take-up drum 18A so as to be able to take up and unwind. Lift code 2
The other end of the slat 16 is attached to a bottom rail 22 disposed at the lowermost end of the slat 16 through an unillustrated elevating cord insertion hole provided in each slat 16 and led out of the head box 12. The take-up drum 18A of the drum unit 18 is rotated by a drive rod 21 that extends in the head box 12 in the longitudinal direction and penetrates the drum unit 18. Tilt drum 18
B rotates together with the winding drum 18A by a predetermined angle, and is connected via a clutch so as not to rotate more than a predetermined angle. The winding drum 18A and the tilt drum 18B are respectively connected to the lifting cord 20 and the ladder tape. 1
4 raises and lowers the slat 16 and the slat 16
Can be tilted.

In the head box 12, a motor 24 for rotating the drive rod 21 and the motor 2
Drive unit 26 for driving the drive unit 4 and the drive unit 2
6, a power supply unit 30 and a power supply transformer 32 for supplying power to the motor 24, each unit, and the like, and the elevation of the slats 16 required for controlling the control unit 28. A height sensor 33 for detecting, an angle sensor 34 for detecting the tilt angle of the slat 16, a lower limit sensor 36 for detecting that the slat 16 has dropped to the lower limit, and an upper limit sensor 3 for detecting that the slat 16 has risen to the upper limit.
Electrical components such as various sensors of the obstacle sensor 40 that detects that the slat 8 and the slat 16 have hit an obstacle are stored.
Note that the height sensor 33, the angle sensor 34, and the obstacle sensor 4
0 is built in one of the plurality of drum units 18, and the upper limit sensor 38 is built in two drum units 18 located at both ends.

As shown in the wiring circuit diagram shown in FIG. 2, they need to be connected to each other to transmit electric signals such as control signals and detection signals and electric power. In the present embodiment, as shown in FIG. 3, both inner vertical walls 12 of the head box 12 are parallel to the longitudinal direction of the head box 12.
A wide insulating material plate 50 is attached on each of a and 12b, and a plurality of elongated plate-shaped conductive materials 52 are attached on the insulating material plate 50 in advance by vapor deposition, bonding, or the like. The plurality of conductive members 52 are arranged parallel to the longitudinal direction of the head box 12 at intervals in the vertical direction, and are provided in a number corresponding to at least the number of wires connecting the electrical components. . The insulating material plate 50 and the conductive material 52 can also be constituted by a printed wiring board. On the other hand, the sensors 33, 34, 3
A conductive brush 54 which is a terminal that comes into contact with the conductive material 52 is provided on a vertical wall of an electric component such as the motor 24 including the drum unit 18 having the built-in 8 and 40.

FIG. 4 shows a case in which the drum unit 18 is taken as an example of the electrical component. The conductive brush 54 is provided on the vertical walls 18a and 18b of the drum unit 18 facing the inner vertical walls 12a and 12b of the head box 12. Is provided. The conductive brush 54 protrudes toward the conductive material 52 corresponding to the position of the conductive material 52 to which the drum unit 18 is to be connected. A known brush can be used as the conductive brush 54. The conductive brush 54 has a large number of needles implanted at a base thereof, and each needle is elastically deformable.

When the drum unit 18 is incorporated into the head box 12, the drum unit 18 is inserted from an opening 12c above the head box 12. At this time, when the conductive brush 54 passes through the insulating material plate 50 and the conductive material 52 that is not to be connected, the conductive brush 54 is slightly bent and deformed toward the drum unit 18 side, and passes through the drum. When the bottom wall is placed on the bottom wall 12d of the head box 12 and positioned at a predetermined position, the conductive brush 54 matches the height of the conductive material 52 to be connected, and resiliently contacts the conductive material 52. And conductive brush 5
4 and the conductive material 52 are surely brought into contact with each other to conduct electricity. The above operation is performed by the motor 24, the drive unit 26, the control unit 2
8, the power supply unit 30, the power supply transformer 32, and the lower limit sensor 36 are similarly operated.

As a result, the head box 12 for electrical components
In addition, wiring and wiring can be performed by one operation, so that operation efficiency can be improved and wiring errors can be eliminated. In addition, even if the installation position of the electrical components in the longitudinal direction in the headbox 12 is changed, the relative positional relationship between the conductive material 52 and the conductive brush 54 in the height direction is not changed. Absent.

Further, since the conductive material 52 can be provided over substantially the entire vertical wall inside the head box 12, it is possible to cope with a case where the number of wirings is large and a large number of conductive materials 52 are required.

FIG. 5 shows a second embodiment of the present invention.
FIG. In this embodiment, the head box 12
The insulating material plate 60 is attached to the bottom wall 12d of
A plurality of plate-shaped conductive members 62 are previously attached to the insulating plate 60 by vapor deposition, bonding, or the like. In addition, the insulating material plate 60 and the conductive material 62 can be formed by a printed wiring board. Further, the receiving member 70 is fixed corresponding to the place where the electrical component is installed, and the receiving member 70 has a socket 72 corresponding to the conductive material 62 and electrically connected to the conductive material 62. A pin 74 corresponding to a position of the conductive material 62 to which the drum unit 18 is to be connected is provided on a bottom wall 18 c of the one drum unit 18.
Is provided. By inserting the bottom of the drum unit 18 into the receiving member 70, the corresponding socket 72 and the pin 74 are fitted, and the conductive material 62 and the pin 74 are reliably conducted through the socket 72.

In the second embodiment, the same effects as in the first embodiment can be obtained. Since the socket 72 and the pin 74 are fitted, conduction between the conductive material 62 and the pin 74 can be reliably performed. Also, the electrical components are
There is no damage to the pins 74 when assembled inside.
In addition, it is also possible to provide a protruding pin that is electrically connected to the conductive material 62 in the receiving member on the head box 12 side, and provide a socket on the bottom wall of the electrical component.

[0021]

As described above, according to the first aspect of the present invention,
According to the fourth aspect of the present invention, when the electric component is incorporated in the head box, the terminal of the electric component automatically comes into contact with the conductive material disposed on the inner wall of the head box to perform power distribution. In addition, since the electrical components can be incorporated into the head box and the wiring can be performed in one operation, the operation efficiency can be improved.

According to the second aspect of the present invention, since the terminals of the electrical components are made of conductive brushes, there is no hindrance to assembling the electrical components into the headbox, and the electrical components are reliably connected to the conductive material. be able to. In addition, since the conductive material can be provided over substantially the entire vertical wall inside the head box, a large number of conductive materials can be provided in the head box even when a large number of wirings are required.

According to the third aspect of the present invention, since the conductive material is disposed on the bottom wall inside the head box, when the electrical component is incorporated from above the head box, the conductive material is provided with terminals from above. By approaching, the work can be easily performed without damaging the conductive material.

According to the fourth aspect of the present invention, the conductive material provided on the head box and the terminal provided on the electrical component can be reliably conducted by fitting the socket and the pin.

[Brief description of the drawings]

FIG. 1 is a front view illustrating a blind according to a first embodiment of the present invention.

FIG. 2 is a wiring diagram of the blind of FIG. 1;

FIG. 3 is a perspective view of the blind of FIG. 1 as viewed from an end of a head box.

FIG. 4 is a cross-sectional view of an electric component and a head box (the electric component is not shown in cross section).

FIG. 5 is a diagram corresponding to FIG. 4 according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Blind 12 Head box 12a, 12b Vertical wall 12d Bottom wall 16 Slat (shield) 18 Drum unit (electrical component) 24 Motor (electrical component) 26 Drive unit (electrical component) 28 Control unit (electrical component) 30 Power supply unit (electrical component) Product) 32 power transformer (electrical component) 33 height sensor (electrical component) 34 angle sensor (electrical component) 36 lower limit sensor (electrical component) 38 upper limit sensor (electrical component) 40 obstacle sensor (electrical component) 52 conductive material 54 conductive brush (terminal) 62 conductive material 72 socket 74 pin (terminal)

Claims (4)

[Claims] 1. A head box (12), a shield (16) supported by the head box (12), and housed in the head box (12) to electrically drive the shield (16). And multiple electrical components (1
, 24, 26,...), And an electric signal or electric power is transmitted between the plurality of electrical components (18, 24, 26,...). Inner walls (12a, 12b, 12
d) a plurality of conductive materials (52, 6) transmitting said signal or power along the longitudinal direction of the headbox (12);
2) is provided, and the conductive material (5
(62, 62) corresponding to the terminals (54, 74)
Are provided, and the terminals (54, 74) of the respective electrical components are set in a state where the respective electrical components are incorporated in the head box (12).
An electric blind which is electrically connected to a conductive material (52, 62) to be connected. 2. The conductive material (52) is an elongated plate-shaped member disposed on vertical walls (12a, 12b) inside a head box (12), and the terminal is provided on a vertical wall of each electrical component. 2. The electric blind according to claim 1, wherein the conductive blind is a conductive brush provided on the conductive member and capable of elastically contacting the conductive material. 3. The electric conductor (62) is disposed on a bottom wall (12d) inside the head box (12), and the terminal (74) is provided on a bottom wall of each electrical component.
The described electric blind. 4. A socket (72) or a pin is provided in the head box (12) corresponding to a position where the electrical component is to be fixed, and the terminal is provided on a bottom wall of each electrical component. (72) or a pin (74) or a socket fitted to the pin, and the head box (1).
2) The terminal (74) of each electrical component is connected to the conductive material (6) through the socket (72) or the pin provided in the inside.
The electric blind according to claim 3, which is conducted to 2).