JPH0791729A - Flexible duct capable of automatically shifting air blow direction - Google Patents

Abstract

PURPOSE:To enable an air outlet of a flexible duct to automatically make a turnabout and the turnabout to follow the move of a person. CONSTITUTION:Four wire wind-up devices are mounted around the circumference of a joint of a flexible duct A to a branch duct C at regular intervals. The first wire wind-up device 10 has a wire wind-up motor 30, and the second wire wind-up device 12 is provided with a spring member 40 so that a wire 20 is always pulled toward the wind-up side. The wire 20 is stretched from the wire wind-up device, inserted through wire guides that are lined lengthwise on the side of the body of the flexible duct A, and attached to the front end of the flexible duct A. The direction of the flexible duct A can be automatically shifted toward a person who has a signal transmitter 200 by a radio operating device 100 and the signal transmitter 200.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible duct provided at the end of the outlet of an air conditioning duct for changing the direction of blowout,
In particular, the outlet is automatically oriented in the required direction.

[0002]

2. Description of the Related Art When air-conditioning a relatively wide area, for example, in a relatively large floor space such as a factory or office, a main duct connected to a large capacity heat exchanger is laid in the main part A branch duct is drawn in from each place, and outlets are provided in each place so that cold air, warm air, etc. can reach the necessary places. When the movement of people in the air-conditioned indoor space is not so great, it suffices to preset the direction of the air outlet so that a constant air-conditioning environment is maintained. However, in a place where a lot of people move, for example, in a work place in a factory, there are cases where the work place, the worker, etc. are appropriately shifted depending on the time to work, and the air outlet is set to some extent according to the movement of the person. Need to change.

Therefore, conventionally, as a method for coping with such a case, there is a method in which the number of air outlets of the air conditioning duct is increased in advance so that the conditioned air is spread finely. If it is not possible to provide a large number of outlets in advance, install a flexible duct at the tip of the duct that has a bellows-like configuration and can be bent freely to suit the movement of people. The direction of the air outlet can be changed according to.

[0004]

However, the method of providing a large number of air outlets in advance has an advantage that fine air conditioning can be performed, but on the other hand, from the viewpoint of energy saving, which is a recent problem, There was a problem of energy loss that the air was blown regardless of where there was. Furthermore, in order to provide a large number of outlets,
Naturally, there were problems that the equipment cost increased and the work efficiency decreased due to the deterioration of the work environment. Further, in the conventional method using the flexible duct, it is necessary to bend the bellows-shaped body part by hand in order to change the direction of the outlet.
Therefore, every time a person moves, it is necessary to go to the duct and artificially change the direction of the outlet, which is very troublesome and troublesome.

Therefore, the present invention makes it possible to automatically change the direction of the outlet of the flexible duct, and at the same time, to allow the direction change to follow the movement of a person, thereby improving the work environment and improving the work efficiency. The purpose is to

[0006]

In order to achieve the above-mentioned object, the present invention is attached to the tip of an air conditioning branch duct, and the trunk portion is formed to be bendable in a bellows shape so that the direction of the outlet can be freely changed. In a substantially tubular flexible duct that can be installed, a winding device for a wire is provided on the peripheral surface of the trunk portion where the wire is attached to the branch duct, and the tip of the wire connected to the winding device is attached to the tip of the flexible duct. While being attached, the wire was inserted into a wire guide provided along the longitudinal direction of the side surface of the body portion.

Further, the winding device is a plurality of wire winding devices provided at positions facing each other on the peripheral surface in a direction substantially across the opening of the attachment end side of the trunk portion to the branch duct, and the mutual winding devices are mutually provided. At least one of the facing winding devices is a first wire winding device provided with an individually controllable motor for winding the wire, and the other facing device is a wire winding device that constantly pulls the wire in the winding direction. It is the 2nd wire winding device which provided the spring member for taking up. Also, the winding device is
A plurality of wire winding devices respectively provided at positions facing each other on the peripheral surface in a substantially crossing direction of the attachment end side opening portion of the trunk portion to the branch duct, and the wire winding device is provided to the winding devices facing each other. An individually controllable motor is provided.

Further, a wireless operation device for each wire winding device is provided in the vicinity of the mounting position of the branch duct of the above-configured flexible duct.

[0009]

According to the present invention, the tip of the wire connected to the winding device is attached to the tip of the free duct in which the body portion is formed in a bellows shape so that the body portion can be bent. Since it is passed through a wire guide installed along the, the wire is wound in the pulling direction of the wire when the winding device is moved, and the body part of the flexible duct can be bent to change the outlet direction. it can.

Further, according to the present invention, the first and second wire winding devices are respectively provided at positions facing the peripheral surface in the substantially crossing direction of the opening portion on the attachment end side of the trunk portion of the flexible duct to the branch duct. At least one of the winding devices provided and facing each other is a first wire winding device provided with an individually controllable motor for winding the wire, and the other opposite one is for winding the wire at all times. It is the 2nd wire winding device with which the spring member for wire winding which continues pulling in the taking direction was provided.
Therefore, by winding the wire with the motor by one of the first wire winding devices, the side on which the winding wire is provided can be bent, and the motor of the facing first wire winding device is reversed. By rotating and loosening the wire on the motor side, the wire provided on the side opposite to this is always pulled in the winding direction by the spring member. The wire on the side is naturally wound and can be automatically bent in the opposite direction.

Further, by providing each of the winding devices with individually controllable motors for winding, the wires can be wound and fed out by the forward and reverse rotations of the motors to freely move as described above. The duct can be bent. In addition, by providing a wireless operation device for the winding device near the branch duct installation position of the flexible duct having the above configuration, for example, a person can carry the wireless signal transmission device and automatically set the direction of the outlet of the flexible duct. The transmitter can be changed according to the movement of the person carrying the transmitter.

[0012]

【Example】

(Embodiment 1) An embodiment of the present invention will be described with reference to FIGS. In the embodiment according to the present invention, the winding device 10-13 for wire and the wire 20 are attached to a known bendable duct so that the duct can be automatically bent. Further, the wireless operation device 100 is provided near the flexible duct so that the conversion of the blowing direction of the flexible duct A can be remotely controlled.

The flexible duct A is constructed so as to be attached to the tip of a branch duct C which is branched from the main duct B laid for air conditioning to each place. Four winding devices are provided at equal intervals on the peripheral surface of the flexible duct A on the side where the flexible duct A is attached to the branch duct C. Among these, the first wire winding device 10 or 11 adjacent to the first wire winding device 10 or 11 has a wire winding motor 30.
The second wire winding device 12, 13 is biased by the spring member 40 so that the wire is always pulled toward the winding side.

The winding motor 30 of the first wire winding device 10, 11 is constructed so that it can be freely started and stopped in both forward and reverse directions.
One end of is attached to the winding motor 30 so as to be able to be wound and fed out. On the other hand, from each of the first and second wire winding devices 10 to 13, along the straight line in the longitudinal direction of the body portion of the flexible duct A, the semi-annular wire guides 50 are provided at appropriate intervals. 20
It is fixed to the body of the universal duct A so that it can pass through.

The above first and second wire winding devices 1
The wire 20 having one end attached to 0 to 13 is passed through the wire guide 50 provided at appropriate intervals, and the other end is attached to the peripheral end A2 at the tip of the outlet A1 of the free guide A. Further, the second wire winding devices 12 and 13 are provided with a spring member 40 in which a spring is formed in a spiral shape, and the end of the spring member 40 is the wire 2.
The second wire winding device 12, 13 is connected to one end of the second wire winding device 12 by the biasing force of the spring member 40 to wind it.
The wire 20 is pulled to the side.

Further, a wireless operation device 100 for operating the first wire winding device is provided on the side surface of the branch duct C to which the flexible duct A is connected. The wireless operation device 100 may be provided at the end of the flexible duct A that is attached to the branch duct C. The wireless operation device 10 of the present embodiment
0 receives the wireless signal transmitted from the signal transmission device 200 and at the same time recognizes the transmission direction, and at the same time, the motor 3
A command can be issued by an electric signal or the like so that the wire 20 on the side surface of the body portion facing the direction of signal transmission can be wound up at 0, and the wire can be rotated in the required directions forward and backward as appropriate. In response to this command, the motor 30 rotates and the wire 20 is wound or sent out, so that the body portion of the flexible duct A is bent. Further, if necessary, the frequency to be used may be changed so that the plurality of wireless operation devices 100 and the signal transmission device 200 can be used at the same time.

For example, in this embodiment, as shown in FIG. 1, when the person D carries the signal transmitting device 200, the motor 30 of the first wire winding device 10 winds the wire 20 and the flexible duct is formed. Blowout A of A
1 is directed to the person D. On the other hand, when the person D moves to become D ′, the first wire winding device 1
The motor 30 of 0 rotates in the reverse direction to send out the wire 20 to loosen it, and the wire 20 is connected to the second wire winding device 1
By the biasing force of the second spring member 40, the spring member 40 naturally takes up the winding state, and faces the person D ′ as shown by the dotted line.

Thus, when the worker or the like carries the signal transmitting device, the outlet A1 of the flexible duct A automatically changes its direction in the direction of the transmitted signal, and the outlet A1 is constantly moved to the movement of the worker or the like. The direction of is following. Incidentally, the wireless operation device 100 and the signal transmission device 2
For the technical configuration such as 00, a known technique used in a known remote control / communication means using light, electricity, electromagnetic waves, etc. may be used.

(Embodiment 2) Unlike Embodiment 1, this embodiment does not use the spring member 40 and allows the wire winding devices 10 to 13 to individually control rotation in both forward and reverse directions. A winding motor 30 is provided. The other configurations are similar to those of the first embodiment. The body portion can be bent by winding the wire on one of the facing wire-winding devices, for example motors 10 and 12, or 11 and 13, and returning the wire on the other.

The present invention is not limited to the above embodiment. For example, all the wire winding devices may be provided with the spring member 40 and the motor 30, and the trunk portion of the flexible duct A may be bent by adjusting the facing motor 30 and the spring member 40. In addition, the wire 20 is wound by a motor of the wire winding device, and the wire 20 is configured such that a force is always exerted in a direction in which the wire 20 is pulled out from the wire winding device by a spring or the like. The direction of the outlet A1 of the flexible duct A is changed by means of this, and at the time of unwinding, the outlet A1 of the duct is naturally urged by the bias of the spring.
1 may be directed vertically downward.

The number and positions of the wire winding devices are not limited to those in the above embodiment, and may be freely changed. In addition, although the wire 20 is provided on the outer peripheral surface of the flexible duct A in the above configuration, it may be basically provided on the inner side surface of the flexible duct A. Further, the wire guide 50 may be of a type in which the wire 20 is passed through a tube formed of a stretchable member or the like. In addition, the wireless operation device 100 is
As described above, the signal transmission device 2 is not automatically operated from the recognition of the signal transmission direction to the control command to the motor.
You may make it operate | move based on the control command from 00. With this configuration, the wireless winding device 100 centrally controls the wire winding devices of the plurality of flexible ducts based on the control command of the signal transmission device 200, so that the plurality of ducts of the plurality of ducts can be adjusted at regular intervals. The air outlets may be changed regularly so that the conditioned air is spread to every corner of the room so that uniform air conditioning can be performed.

[0022]

According to the present invention, there is no need to manually change the outlet of the flexible duct related to the air conditioning system or the like, and especially at the work site, the need for manually changing the outlet every time it is needed is saved. It is also effective in terms of work efficiency. Furthermore, by attaching a wireless operation device to the flexible duct, it is possible to allow the worker to carry the signal transmission device and to follow the outlet in the direction of the automatically moving worker. It eliminates the need for many openings, and contributes to the improvement of the air conditioning environment at the work site, the reduction of equipment costs, and energy saving measures.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view in a case where a flexible duct of the present invention is used so that an outlet of the duct automatically follows an operator or the like.

FIG. 2 is a side view (a) of a flexible duct. The top view (b) of the side to which the winding device of the flexible duct was attached. FIG. 2C is a plan cross-sectional view of the flexible duct taken along line X-X of FIG. 1 in order to show how the wire guide is attached.

[Explanation of symbols]

 10 1st wire winding device 12 2nd wire winding device 20 Wire 30 Motor 40 Spring member 50 Wire guide A Flexible duct C Branch duct D Person D'person 100 Wireless operating device 200 Signal transmission device

Claims (4)

[Claims] 1. A substantially ducted duct which is attached to the tip of an air-conditioning branch duct and whose body portion is formed to be bendable in a bellows shape so that the direction of the outlet can be freely changed. A winding device for the wire is provided on the peripheral surface on the attachment end side to the duct, and the tip of the wire connected to the winding device is attached to the tip of the flexible duct, and the wire is provided along the longitudinal direction of the side surface of the body part. A flexible duct capable of automatically changing the blowing direction, characterized in that the wire is inserted through a guide. 2. The winding device is a plurality of wire winding devices provided at positions facing each other on a peripheral surface in a substantially crossing direction of an opening of an attachment end side of a trunk portion to a branch duct. At least one of the facing winding devices is a first wire winding device provided with an individually controllable motor for winding the wire, and the other facing device is a wire winding device that constantly pulls the wire in the winding direction. The flexible duct capable of automatically changing the blowing direction according to claim 1, wherein the duct is a second wire winding device provided with a spring member for taking up. 3. The winding device is a plurality of wire winding devices respectively provided at positions facing each other on a peripheral surface in a substantially crossing direction of an opening of an attachment end side of a trunk portion to a branch duct. 2. The flexible duct capable of automatically changing the blowing direction according to claim 1, wherein the facing winding device is provided with an individually controllable motor for winding the wire. 4. The automatic blowing direction changeable according to claim 1, 2 or 3, wherein a wireless operation device for each wire winding device is provided near a position where the flexible duct is attached to the branch duct. Flexible duct.