JPH02140548A - Spot air conditioner - Google Patents

Abstract

PURPOSE:To effectively blow conditioned air to a person to be conditioned and to ensure comfortability by air conditioning and air conditioning effect as local air conditioning by directing a supply duct toward the person to be conditioned on the basis of a person detection signal of person detecting means. CONSTITUTION:One person detection sensor 72 of person detecting means for detecting a forward person to be conditioned in attached to the upper end of a supply duct 16, and the sensor 72 has a pair of light emitting elements H1, H2 of light emitting means secured to a frame 72a at the opening angle of a predetermined angle theta3 to one another, and photodetector J of photodetecting means secured to the centers of the pair of elements H1, H2. When the cloths Cl of the person to be conditioned exist over the region of directing angle + or -thetaH of both the elements H1, H2, it is so constructed as to identify the movement of the person by the random reflection on the surface according to the photodetecting sequence of infrared rays from both the elements H1, H2.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a spot air conditioner that performs local cooling, etc.
In particular, the invention relates to a spot air conditioner that controls the wind direction by driving and controlling a blow-off duct.

(Prior Art) In general, spot air conditioners for local cooling are being installed in various factories to improve the working environment. This spot air conditioner is manufactured by Utsukai 61-1013.
As disclosed in Publication No. 33, a refrigerant circuit equipped with a compressor, a condenser, an evaporator, and an expansion mechanism is housed in a housing mounted on a wagon, as well as a condensing fan and an evaporating fan. In some systems, the cold air that has undergone heat exchange with the evaporator is blown out toward the worker from a blow-off duct connected to the upper part of the housing, thereby providing local cooling.

Furthermore, the blow-off duct is connected to a swing cylinder, which is pivoted to the housing by a diametrical pin, and is connected to a motor via a link mechanism. Then, the motor is driven to swing the blow-off duct to ensure cooling over a wide range.

(Problems to be Solved by the Invention) In the spot air conditioner described above, the blow-off duct is configured to drive or stop the motor using a swing switch to switch between a fixed mode and a swing mode.

However, in this spot air conditioner, no consideration is given to the movement of the worker who is the target of air conditioning, and if this worker moves, cold air will be blown in unnecessary directions in the fixed mode, and the air conditioner will There was a problem in that the air conditioning was wasted and the comfort provided by air conditioning was not provided at all.

In addition, in the above-mentioned swing mode, the cold air blowing direction changes regardless of the movement of the worker, so the cold air is only blown intermittently toward the worker, providing sufficient comfort. There was a problem that this was not planned. In particular, in spot air conditioners, the air conditioning effect is achieved by directly blowing cold air onto the worker, so there is a problem in that comfort cannot be achieved if the worker only receives cold air intermittently.

Furthermore, since no consideration is given to abnormalities in the motor etc. that swing the blow-out duct, if the swing speed of the blow-off duct decreases or does not swing during the swing mode, the operator etc. will not notice it. No abnormality could be detected. Therefore, in this case, even though an abnormality has occurred, the motor continues to be energized, resulting in a problem that the reliability of the entire apparatus is low. Furthermore, since the blow-off duct cannot be swung accurately, there is a problem in that comfortable air conditioning cannot be achieved.

The present invention has been made in view of the above-mentioned problems, and it detects the person to be air-conditioned using a person detection means and moves the blow-off duct to follow the movement of the person to be air-conditioned, and also detects abnormalities in the motor, etc. The purpose is to improve the comfort of the air conditioning system and improve the reliability of the entire system.

(Means for Solving the Problem) In order to achieve the above object, as shown in FIG. An air conditioner main body (12) is provided that generates. And, in the air conditioner main body (12),
A blow-off duct (16) for blowing out the conditioned air is rotatably provided, and a duct driving means (2) for rotating the blow-off duct (16) with respect to the air conditioner main body (12) to change the blowing direction. ), and a person detection means (7
2) is provided. Furthermore, the person detection means (72)
In response to the human detection signal output by
) is provided with a wind direction control means (75a) for controlling the duct drive means (2) so that it faces toward the person to be air-conditioned.

In the invention according to claim (1) above, the means taken by the invention according to claim (2) is one human detection in which the human detection means (72) scans the inside of the air conditioning area and detects the person to be air conditioned. The invention according to claim (3) comprises a sensor, and the means taken by the invention according to claim (3) is that the person detection means (72) divides the air conditioning area into a plurality of areas, monitors each division, and detects each person to be air conditioned. It consists of multiple human detection sensors.

Further, the means taken by the invention according to claim (4) is that in the invention according to claim (1), the human detection means (72) detects an air-conditioned object in a flat detection area against a background having a predetermined amount of infrared rays. This is a person detection device that distinguishes and detects the presence of a person, and the device detects the presence of a person at a predetermined emission direction angle (±
θH), (±θH), and are arranged at a predetermined opening angle from each other so that their respective emission direction angles (±θH) and (±θH) regions do not overlap, and emit infrared rays alternately. It is arranged between the light emitting means (H+), (H2) and the double light means (H+), (H2) in the detection area, and the light emission direction angle (±θH) of each light emitting means (H+), (H: ) is ), has a predetermined light-receiving directivity angle (±θJ) that partially overlaps with the (±θH) area, and has a light emitting means (H+).
, (H2), a single light receiving means (J) that receives reflected infrared light emitted from the light receiving means (J), and receiving the output of the light receiving means (J),
It is configured to include human detection determining means (75h) which outputs a human detection signal when the reflected amounts of infrared rays emitted from each of the light emitting means (H2) (H2) are both equal to or greater than a set value.

Moreover, the measures taken by the invention according to claim (5) are as follows:
The air conditioner body (12
) is provided. An air conditioning control means (8) for controlling the air conditioning operation of the air conditioner main body (12) is provided, and a blow-off duct rotatably attached to the air conditioner main body (12) blows out the conditioned air. (16), and duct driving means (2) for rotating the blowing duct (16) relative to the air conditioner body (12) to change the blowing direction. Further, it detects a person to be air-conditioned in the air-conditioned area to be conditioned by the conditioned air, outputs a person detection signal when detected, and outputs a person-undetected signal when not detected, and identifies the movement of the person to be air-conditioned. A person detection means (72) is provided which outputs a movement signal. In addition,
The duct is driven so that the blow-off duct (16) follows the movement of the person to be air-conditioned and moves in the direction of the person to be air-conditioned in response to the person detection signal and movement signal of the person detection means (72). Wind direction control means (75a) for controlling means (2)
The configuration is such that

Further, the means taken by the invention according to claim (6) is that in the invention according to claim (5), the person detection means (72) detects an air-conditioned object in a flat detection area against a background having a predetermined amount of infrared rays. This is a person detection device that distinguishes and detects the presence of a person, and the device detects the presence of a person at a predetermined emission direction angle (±
θH), (±θH), and are arranged at a predetermined opening angle from each other so that their respective emission direction angles (±θH) and (±θH) regions do not overlap, and emit infrared rays alternately. Light emitting means (H+), (H2) and both light emitting means (H+), (H!) in the detection area.
), each light emitting means (H+), (H2
) has a light emission directivity angle (±θH) and a predetermined light reception directivity angle (±θJ) that partially overlaps with the (±θH) region, and reflects infrared light emitted from the light emitting means (H+) and (H2). a single light-receiving means (J), and the light-receiving means (J);
When the reflected amount of infrared rays emitted from each of the above-mentioned light-emitting means (H2) and (H2) are both above the set value, a human detection signal is generated. a human detection determining means (75h) that outputs a human non-detection signal when both of the reflected amounts of infrared rays are below a set value and when either one is below a set value;
After receiving the human detection signal from 5h), when only the reflected amount of infrared rays emitted from one of the light emitting means (H+ or H2) becomes lower than the set value, the air-conditioned person The configuration includes a person movement determining means (75i) that determines that the person has moved in the direction of the directivity angle (±θH) region of H2 or H1) and outputs a movement signal.

In addition, the means taken by the invention according to claim (7) are the human detection means (72
) is provided at the tip of the blow-off duct (16).

Furthermore, in the invention of claim (5) above, claim (8)
The method taken by the invention is that the wind direction control means (75a) controls the direction of the air-conditioned person within the air-conditioning area within a preset angle around the attachment point of the air-flow duct (16). The wind direction control means (75a) is configured to control the duct driving means (2) so as to move toward the direction of the blowing duct (16). The duct driving means (2) is controlled so that the air conditioner moves in a three-dimensional direction toward the person to be air-conditioned.

In the invention of claim (5) above, the means taken by the invention of claim O○) is that when receiving a movement signal from the person detection means (72), a predetermined period of time corresponding to the time required for slight movement of the person to be air-conditioned is detected. (t2), the movement signal is transmitted to the wind direction control means (7).
5a), and the invention according to claim [11] is
The same means includes a counting means (7M7) that counts a predetermined time (t2) based on the output of the human detection signal of the human detection means (72).
When the human detection means (72) continues to output the human detection signal until the coefficient means (TH7) counts a predetermined time (t2), conditioned air is blown out after the predetermined time (t2) has elapsed. Intermittent control means (
83).

Furthermore, in the invention of claim 0p, the means taken by the invention of claim (12) is such that the intermittent control means (83) is reset by the movement signal of the human detection means (72) and the human non-detection signal. In addition, claim (13)
) The means taken by the related invention is that the intermittent control means (83) is configured to intermittently control the power supplied to the fan drive means (12d), and furthermore, the invention according to claim (14) takes the measures taken by the invention according to claim (14). The intermittent control means (83) controls the fan (
The fan driving means (12d) is configured to be controlled to a high rotational speed and a low rotational speed so that the rotational speed of the fan (12f) changes intermittently between a high rotational speed and a low rotational speed.

Further, the means taken by the invention according to claim 0r3I is the position detection means (7) for detecting the rotation restriction position of the blow-off duct (16) corresponding to the end of the air conditioning area in the invention of claim (5). ), and in response to the position signal output by the position detection means (7) and the movement signal of the person detection means (72), when the person to be air-conditioned moves out of the air-conditioning area, the air-conditioning duct (16)
and duct stopping means (75n) for controlling the duct driving means (2) so as to stop the duct at the rotation restriction position.

Further, as shown in FIG. 1(b), the means taken by the invention according to claim ab) is that in the invention according to claim (5), the human detection means (72) outputs a human detection signal after outputting a human detection signal. A short-term standby means (75j) for controlling the air conditioning control means (8) to wait for a predetermined time (t2) in the air conditioning operating state before outputting the person no-detection signal in response to the no-person detection signal, In addition to the invention of claim a0, the means taken by the invention according to claim (+73) is the standby time (t2) set by the short-term standby means (75j) while the person detection means (72) is not detected. lapse, the air conditioning control means (8) and the duct are configured to stop the air conditioning operation and the duct moving operation and wait for a predetermined time (t3) in a state where the air conditioning operation and the duct moving operation can be automatically restored by the human detection signal of the human detection means (72). The configuration includes a long-term standby means (75 cycles) for controlling the drive means (2).

In addition, in the invention according to the above claim, the means taken by the invention according to claim 08) is that the long-term standby means (759) is a preset standby time (t3) while the person detection means (72) is not detecting a person. ), the air conditioning control means (8) is configured to system down to a state where the air conditioning operation cannot be automatically restored, and the means taken by the invention according to claim (19) is a long-term standby means. (751) is the blowout duct (1
6) is configured to control the duct driving means (2) so as to stop at the center of the air conditioning area and stand by.

In addition, the measures taken by the invention according to claim (■) are
), the person detection means (72) is provided with a person search means (75k) for scanning the person detection means (72) within the air conditioning area in response to the person non-detection signal of the person detection means (72) to search for the person to be air conditioned. It is structured as follows.

In addition, in the above claimed invention, the means taken by the invention according to claim Qυ is such that the person searching means (75k) moves the duct driving means (2) to automatically swing the blowing duct (16) within the air conditioning area. ), and the person detection means (72) attached to the tip of the blow-off duct (16) is configured to scan the inside of the air-conditioned area, and the measures taken by the invention according to claim (22) are The person search means (75k) is configured to search for a person to be air conditioned in the air conditioner operating state before the person detection means (72) outputs the no-person detection signal.

Moreover, as shown in FIG. 1(C), the measures taken by the invention according to claim (23) are as follows in the invention according to claim (5):
mode switching means (76) for manually switching the control mode of the blow-off duct (16) between a fixed mode, an automatic swing mode, and a person tracking mode; a position detecting means (7) that outputs a position signal at each rotation restriction position; and a position detecting means (7) configured to maintain the blow-off duct (16) in a fixed state when set to the fixed mode by the mode switching means (76). When the automatic swing mode is set by the fixed control means (75b) that controls the drive means (2) and the mode switching means (76), the position signal of the position detection means (7) causes the blow-off duct (16 ) and turn the outlet duct (
The wind direction control means (75a) receives the person tracking mode signal of the mode switching means (76). When received, it is configured to control the duct drive means (2).

Furthermore, in the invention of claim (23) above, claim (2)
The means taken by the invention according to 4) is a mode switching means (76
) When a preset air conditioning operation time (tb) elapses without the human detection means (72) detecting a person when outputting the fixed mode signal and the automatic swing mode signal of the human detection means (72), the human detection means (72)
2) An air conditioning stop means (75d) for controlling the air conditioning control means (8) so as to stop the air conditioning operation in a state where it can be automatically reset by a human detection signal, and claim (25)
In addition to the invention of claim (24), the means taken by the invention according to claim (24) is that after the air conditioning stop means (75d) outputs a stop signal, the person detection means (72) stops the air conditioning set in advance without detecting a person. When the time (t6) elapses, the air conditioning control means (
8), and the means taken by the invention according to claim (26) is an automatic stop switching means (75e) that controls on/off the air conditioning stop means (75d). 84).

Moreover, as shown in FIG. 1(d), the measures taken by the invention according to claim (27) are as follows in the invention according to claim (5):
Position detection means (7) of the blow-off duct (16).

An automatic swinging means (75c) and a mode switching means (76) are provided, and a half rotation time (ta) required for the blow-out duct (16) to rotate from one rotational restriction position to the other rotational restriction position is provided. ) is set in advance, and when the position signal output of the position detection means (7) stops, the above-mentioned blow-off duct (
16) half-turn counting means (T Ma
), and the position detecting means (7) until the half-turn counting means (T M a ) counts a predetermined half-turn time (ta).
The first abnormality detection means (75f) performs abnormality processing if the next position signal is not output.

Further, the means taken by the invention according to claim (28) are the position detection means (7), automatic swing means (75c) and A mode switching means (76) is provided, and the output stop time (76) required for the position signal output from the position detection means (7) to be stopped by rotation of the blowout duct (16) after the position signal from the position detection means (7) is output. tb) is set in advance, and upon receiving the position signal from the position detecting means (7), the output stop counting means (T M b) counts the output time of the position signal.
), and a second device that performs abnormality processing when at least the output stop counting means (TMb) counts a predetermined output stop time (tb) while outputting the position signal from the position detecting means (7).
The structure includes an abnormality detection means (75g).

Furthermore, the means taken by the invention according to claim (29) is that in the invention according to claim (27), the output stop counting means (TMb) provided in the invention according to claim (28) and the second abnormality detection means ( 75g), and claim (30)
The means in which the invention is nil is defined in claim (27) or (
In the invention of 28), the first abnormality detection means (75c) and the second abnormality detection means (75d) are connected to the duct drive means (28).
) is configured to stop driving.

(Operation) With the above configuration, in the inventions according to claims (1) to (3), the person detection means (72) detects whether or not a person to be air-conditioned, for example, a worker in various factories, is present in the air-conditioning area. I'm monitoring it.

On the other hand, the air conditioner main body (12) sucks indoor air to generate conditioned air, for example, generates cold air or warm air, and blows out the cold air etc. from the blow-off duct (16). When the person detection means (72) detects a worker, the wind direction control means (75a) controls the duct drive means (2) in response to a person detection signal outputted by the person detection means (72), For example, the motor (41) of the duct drive means (2) is controlled to direct the blow-off duct (16) toward the operator.

Furthermore, in the inventions according to claims (5) and (7) to (9), when the worker moves to the left or right, the person detection means (72) identifies the movement and outputs a movement signal. In response to this movement signal, the wind direction control means (75a) controls the duct drive means (2) to rotate or move the blow-off duct (16) in a three-dimensional direction following the movement of the worker. Let it track you. When tracking a person, in the invention according to claim (101), the drive delay means (75 m) is connected to the human detection means (72 m).
) After a short time (11), for example, 1 second, has elapsed based on the movement signal of ), the blow-off duct (116) is caused to track the person to perform accurate person tracking.

Therefore, in the invention according to claim (4), the human detection means (72) detects infrared rays emitted from a pair of light emitting means (H+) and (Hz) by the light receiving means (J) and reflected by an object. is received. Then, each light emitting means (H+), (Hz
) A human detection signal is output when the reflected infrared light emitted from both of the infrared lights exceeds a set value, and a human non-detection signal is output at other times.

In that case, the opening angle between the two light beam means (H+), (Hz) is set so that the directivity angle (±θH) regions of both light beam means (H+), (H,!) do not overlap. , Even if there is a specular reflector such as glass or a steel plate in the background, the reflection causes a double-light beam (H+).

The intensity of infrared rays from (Hz) will not simultaneously enter the light receiving means (J) at a level exceeding a set value. Therefore, there is no possibility of falsely detecting that a human body is present even though it is not present.

On the other hand, the light emitting directivity angle (±θH) of each light emitting means (H+), (Hz) and the light receiving directivity angle (±θJ) of the light receiving means (J)
) are set so that they overlap with each other, so the human body can adjust the light emission direction angle (
±θH) region, each light emitting means (
The infrared rays emitted from H+
), (Hz) are simultaneously transmitted to the light receiving means (J
), and the presence of the person subject to air conditioning is reliably detected.

In addition, in the invention according to claim (6), the above claim (4)
After the presence of the person to be air conditioned is detected by the same action as in the invention of 75, when only the infrared rays from one of the light emitting means (H+ or Hz) becomes lower than the set value, the person movement determination means (75
i), the other light emitting means (Hz or H
It is determined that the air-conditioned person has moved in the direction of the light emission directivity angle (±θH) region of 1).

In that case, even if the intensity of infrared rays from one of the light emitting means (H+ or Hz) accidentally exceeds the set value due to the presence of a specular reflector other than the person to be air-conditioned, the human detection and discrimination means (7
5h), unless a human detection signal is output, there is no chance of false detection as a movement of a person. Therefore, the pair of light emitting means (H+), (
Hz) and a single light receiving means (J), the moving direction of the person to be air-conditioned can be detected.

Further, in the invention according to claim 01), the human detection means (
72) outputs a human detection signal, the counting means (7M7)
starts counting, and the person detection means (72) waits for a predetermined time (t7).
) If the human detection signal continues to be output, for example, claim (12)
), when the worker continues to receive cold air without moving at the same location, the intermittent control means (83) causes the fan (12f) to operate intermittently after the predetermined time (t7) has elapsed. .

Specifically, in the invention according to claim (13), the power supply to the motor (12d) serving as the fan driving means is intermittent,
Intermittently reduces the airflow volume. Further, in the invention according to claim 04, the motor (12d) serving as the fan driving means
The rotation is intermittently changed between high rotation and low rotation, and strong wind and weak wind are blown intermittently.

Further, in the invention according to claim 05), the blowout duct (
The rotation range of 16) is regulated by the position detection means (7), and when the operator moves out of the air conditioning area from this rotation restriction position, the duct stop means (75n) stops the blowout duct (16).
is stopped at its rotation control position, for example, at the right end of the air conditioning area. After that, when the worker returns from the right end, the blow-off duct (16) is made to track the person again as described above.

Further, in the invention according to the previous claim (17), when the worker leaves the air-conditioned area and the person detection means (72) outputs a person-undetected signal, a short-term standby is provided in response to the person-undetected signal. The means (75j) causes the air conditioning control means (8) to stand by in the air conditioning operating state before outputting the no-person detection signal. When the worker returns within the waiting time (t2) of the short-term standby means (75j), the blow-off duct (16) is made to track the person as described above, while if the worker does not return, the long-term standby means (75j)
75J2) will stop the air conditioning operation and put it on standby in a state where the air conditioning control means (8) can automatically return.

When the worker returns within the waiting time (t3) of the long-term standby means (759), the air conditioning operation is restarted by the human detection signal of the human detection means (72), and at the same time the air-conditioning operation is restarted.
) to track people.

Further, the long-term standby means (759) is defined in claim (18).
In the invention according to (19), the blow-off duct (16) is stopped at the center of the air conditioning area and is on standby, while the standby time (t3
) has elapsed, the air conditioning control means (8) brings the system down to a state where automatic recovery is impossible.

Further, in the invention according to claim (2), the human detection means (72
) no longer detects the worker, the person search means (75k) causes the person detection means (72) to scan in response to the no-person detection signal. (16) Automatically swing and scan to search for the worker. In this case, in the invention according to claim (22), the search is performed in the air conditioning operating state before the human non-detection signal is output, and for example, in the temperature control operation, the search is performed while the temperature control operation is continued, and in the ventilation operation state, the search is performed while the air conditioning operation is continued. Become.

Further, in the invention according to claim (23), when the mode switching means (76) is set to the fixed mode, the fixed control means (76) is set to the fixed mode.
5b) holds the blow-off duct (16)i fixed, and when set to automatic swing mode, it swings automatically to blow out cold air. Furthermore, mode switching means (76
) is set to the person tracking mode, the wind direction control means (75a) controls the duct drive means (2) to direct the blow-off duct (16) in the direction of the worker, as described above.

Further, in the inventions according to claims (24) and (25), when the mode switching means (76) is set to the fixed mode or the automatic swing mode, especially in the invention according to claim (2B), the automatic stop switching means The means (84) stops the air conditioning means (75).
When d) is activated, if the air conditioning operation time (t5) elapses without the person detection means (72) detecting a person, the air conditioning operation is stopped in a state where it can be automatically restored. After that, if the worker does not return, air conditioning stop time (t6)
With the passage of time, the system stop means (75e) shuts down the air conditioning control means (8) to a state in which automatic recovery is impossible.

Further, in the invention according to claim (27), in the automatic swing mode, the blow-off duct (16) is rotated by the duct driving means (2), and the blow-off duct (16) is rotated at both ends in a predetermined manner. When the rotation limit position is reached, the position detecting means (7) detects both rotation limit positions and outputs a position signal. In response to this position signal, the automatic swinging means (75c) controls the duct driving means (2), for example, the motor (4
1) and rotate the blow-off duct (16) in the opposite direction. This reversal operation is repeated until the blowout duct (16
), for example, by reciprocating left and right to automatically swing the head.
Cool air, etc. is blown into a predetermined air conditioned area.

During this automatic swing control, the above-mentioned blow-off duct (16)
begins to rotate from the - rotation limit position, and the position detection means (7)
When the position signal output of T M
a) starts counting. Then, the half turn counting means (TM
If the above-mentioned blow-off duct (16) does not reach the other rotation restriction position and the position detection means (7) does not output a position signal by the time a) counts the preset half rotation time (ta),
The first abnormality detection means (75f) indicates an abnormality, for example, the motor (41) of the duct drive means (2) or the position detection means (75f).
) abnormalities will be detected. In particular, claim (30)
In the invention according to the above, abnormality processing is performed by stopping the motor (41).

Further, in the inventions according to claims (28) and (29), when the blow-off duct (16) reaches each rotation restriction position and the position detection means (7) outputs a position signal, the output stop counting means (TMb ) starts counting. Then, the output stop counting means (TMb) calculates a preset output stop time (tb).
) If the position detection means (7) continues to output a position signal without the above-mentioned blow-out duct) (16) being reversed before counting ), the second abnormality detection means (75g) detects the motor of the duct drive means (2). An abnormality such as (41) is detected and the motor (41) is stopped.

(Effect of the invention) Therefore, according to the spot air conditioner according to claim (1), the person detection means (72) is provided, and the air outlet duct (16) is controlled based on the person detection signal of the person detection means (72). By directing the air conditioner toward the target person, the conditioned air can be reliably blown onto the person to be conditioned, so the person to be conditioned can certainly receive the conditioned air, and the comfort provided by air conditioning can be significantly improved. At the same time, it is possible to reliably exhibit the air conditioning effect as local air conditioning.

Further, according to the invention according to claim (2), since the person is detected using one person detection sensor, the person can be detected with a small number of parts, and the cost can be reduced. According to the invention according to ), since the inside of the air-conditioned area is constantly monitored by a plurality of human detection sensors, the person to be air-conditioned can be detected quickly, and the blow-off duct can be immediately moved.

Moreover, according to the invention according to claim (5), the blow-out duct) (
16) moves to follow the movement of the person to be air-conditioned, so that the conditioned air can be sprayed more reliably to the person to be air-conditioned, and even if the person to be air-conditioned moves due to various work etc., the air-conditioning can be performed reliably. Since it can receive air, the comfort provided by air conditioning can be significantly improved. Moreover, since the above-mentioned blow-off duct (16) automatically tracks the person, the person to be air-conditioned does not need to change the blow-out direction at all, and operability can be improved.

Moreover, according to the invention according to claim (7), the blow-off duct) (
16) Since the person to be air-conditioned in front can be accurately detected, signal processing etc. can be performed with a simple configuration, and according to the invention according to claim (8), Correspondingly, the blowout duct (16) can reliably track a person, and according to the invention according to claim (9), the blowout duct (16) can track a person over a wide range,
Comfort can be further improved.

Further, according to the person detection means (72) according to claim (4), a pair of infrared light emitting means are arranged on both sides of a single infrared light receiving means so that the light emission direction angle areas thereof do not overlap with each other, and The light receiving direction angle area of the light receiving means and the light emission direction angle area of each light emitting means are arranged so that they overlap, and only when the reflected amounts of infrared rays emitted from both light means are equal to or greater than a set value, the air conditioner's Since the detection signal is output, the presence of the person to be air-conditioned can be reliably detected regardless of the presence or absence of a rear specular reflector and without being affected by the ambient temperature. It is possible to improve human detection accuracy.

Moreover, according to the invention according to claim (6), the above claim (
In addition to the configuration of the invention in 4), when only the infrared intensity from one light emitting means changes to be lower than the set value after the output of the human detection signal, the air-conditioned person is Since it is determined that the person has moved, it is possible to accurately detect the movement of the person to be air-conditioned with a simple configuration without providing a separate detection device.

Furthermore, according to the claimed invention, the movement of the blow-off duct (16) takes a minute time (t) compared to the movement of the air-conditioned person.
2) Since the air conditioner is delayed, if the person to be air-conditioned momentarily moves left or right and then returns, the air outlet duct (16
) maintains its current state without moving, preventing wasteful operation of the blow-off duct (16) and enabling highly accurate control, improving the reliability of wind direction control. be able to.

Moreover, according to the invention according to claim G1), when the air-conditioned person receives conditioned air continuously for a predetermined period of time (t5), in particular,
In the invention according to claim Q21, when the person to be air-conditioned stays at the same place without moving, the amount of air blown out changes intermittently, so it is possible to achieve proper cooling and prevent overheating, further improving comfort. be able to. Furthermore, since this intermittent operation is performed after the optimum environment, the intermittent operation time can be shortened, and the reliability of the fan drive means (12d) can be improved.
In the claimed invention, since so-called on-off control is performed, reliable control can be performed with a simple configuration, and power consumption can be reduced.

Moreover, according to the invention according to claim (14), since the so-called strength control is performed, comfort can be ensured even during weak air blowing, and more suitable air conditioning can be performed.

Furthermore, according to the invention according to claim 19, when the person to be air-conditioned moves out of the air-conditioning area, the blow-off duct (16) is stopped at the rotation restriction position, so that the person to be air-conditioned moves outside the air-conditioning area. When you return from your current position, you can immediately receive conditioned air. Especially when you leave an air-conditioned area for a short time, there is a high possibility that you will return from the same place. This will improve your sexuality.

Furthermore, according to the claimed invention, even if the person to be air-conditioned moves outside the air-conditioning area, it remains on standby, so when the person to be air-conditioned returns, he or she can receive the conditioned air as is.
While it is possible to further improve comfort and operability, according to the claimed invention, if the person to be air-conditioned does not return for a long time, the air-conditioning operation is stopped, thereby preventing waste of electricity. This makes it possible to save energy, and when the person to be air-conditioned returns, the system automatically returns to normal operation, which further improves operability. According to the invention according to claim (18), the person to be If the system does not return for a long time, the system will go down, so the air conditioning operation will not be restarted inadvertently, and highly accurate air conditioning control can be performed.According to the invention according to claim (19), 16) is stopped at the center of the air-conditioned area, so when the person to be air-conditioned returns, it is possible to respond quickly.

Furthermore, according to the invention according to claim (2), the person search means (75
Since the person to be air-conditioned is searched for according to k), when the person to be air-conditioned enters the air-conditioned area, the person to be air-conditioned can automatically receive conditioned air;
The comfort can be improved and the operability can be improved at the same time, and according to the invention according to claim QB, the blowout duct (1
Since the person detection means (72) scans by the automatic head shaking of 6), a dedicated scanning means for the person detection means (72) is not required, and the structure can be simplified, and the person detection means (72) can be
According to claim (22), it is possible to accurately orient the air outlet duct (16) in the direction of the person to be air-conditioned by the output signal of (72).
According to the invention, since the search is performed in the air conditioning operating state before the human detection means (72) outputs the human non-detection signal, the person to be air conditioned can immediately receive cold air, etc. when entering the air conditioning area. This can further improve comfort.

Moreover, according to the invention according to claim (23), since the blow-off duct (16) can be set to three modes,
Air ducts (16
) can be controlled to be fixed, automatically oscillate, or track people, making it possible to perform air conditioning that meets various conditions. Further, according to the invention according to claim (24), since the air conditioning operation is stopped when there is no person to be air-conditioned, it is possible to prevent unnecessary air-conditioning and save energy. According to the invention according to claim 25), since the system goes down when the person to be air-conditioned is absent for a long time, the air-conditioning operation is not restarted carelessly, and highly accurate air-conditioning control can be performed. According to the invention related to 2B), since it is possible to switch to automatic stop operation of the air conditioning, it is possible to perform air conditioning control corresponding to various usage modes.

Further, according to the invention according to claim (27), since the abnormality is detected based on the interval of the position signal outputted by the position detecting means (7), the duct driving means (2), that is, the motor (41) Since it is possible to accurately detect abnormalities in the position detecting means (7) and the position detecting means (7), abnormalities such as stopping the drive of the motor (41) can be appropriately handled, increasing the reliability of the entire device including duct control etc. be able to. Furthermore, since the blow-off duct (16) can be accurately controlled in swing, reliable air conditioning can be performed and comfort can be improved. In addition, since the output signal of the position detection means (7) for detecting the position of the blow-off duct (16) is used, there is no need to provide any abnormality detection sensor, etc.
Since the number of parts does not increase, abnormality detection can be performed at low cost with a simple structure. Further, according to the inventions according to claims (28) and (29), since the abnormality is detected based on the output time of the position detection means (7), the abnormality can be detected in a short time. , it is possible to quickly perform abnormality processing, claim (30)
According to the invention, since the motor (41) of the duct drive means (2) is stopped in the event of an abnormality, it is possible to prevent erroneous control and to ensure that the motor (41) does not seize. It can be prevented.

(Hereinafter, blank space) (Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

As shown in FIGS. 2 and 3, (1) is a spot air conditioner, which is installed in various factories and the like, and is designed to locally cool air conditioners by blowing cold air onto workers and other people to be air-conditioned.

The spot air conditioner (1) is configured to be movable by mounting an air conditioner body (12) on a wagon (11) having casters (11a), and the wagon (11) has an upper part (11b) and a lower part. It is formed in two stages with the section (11c). The air conditioner main body (12) is a compressor (12a).
), a condenser (12b), an expansion mechanism (not shown), and an evaporator (12C) are connected to each other by refrigerant piping to form a refrigerant circuit (not shown), and the compressor (12a) is connected to the wagon (11 ) is installed in the lower part (11c) of the wagon (
11) In the lower part (11c), in addition to the compressor (12a), a drain tank (13), an electric box (14), etc. are installed and housed in the housing (15) of the air conditioner body (12). has been done.

The upper part (11b) of the wagon (11) has the condenser (12b) and the evaporator (
12c), and a condensing fan (12d) is installed in the center of the motor (12d), which is a fan driving means.
12e) and an evaporation fan (12f) are connected and housed. Further, a condensing side exhaust port (15b) is provided on the top plate (15a) of the housing (15), and a blow-off duct (16) is rotatably attached via a duct driving means (2). The blow-off duct (16) is formed of a flexible vibrator whose wind direction can be changed freely, and communicates with the discharge port (12g) of the evaporation fan (12f) through the top plate (15a) of the housing (15). ing. And both the above 77n (12e), (12f
), the indoor air flowing in from the negative side of the housing (15) undergoes heat exchange in the condenser (12b), becomes warm air, and is discharged upward from the exhaust port (15b). Indoor air flowing in from the side is passed through the evaporator (
12c) exchanges heat and becomes cold air, which is then sent to the blow-off duct (16).
It is configured so that the air is blown more toward the person being air-conditioned.

In addition, (17) is a drain pan provided at the lower part of the evaporator (12c), and is communicated with the drain tank (13) to transfer the drain from the evaporator (12c) to the drain tank (17).
13).

As shown in FIGS. 4 and 5, the duct driving means (2) is rotatable with a driving mechanism (4) in a casing (3) attached to the top plate (15a) of the housing (15). A mechanism (5) is housed therein. The casing (3) is formed into a flat box body with an open bottom surface, and has flat side walls (31) and (32) on the right half in the plan view of FIG. ), (3
3), and a rotating mechanism housing part (22) surrounded by a substantially semicircular side wall (34) in the left half of FIG. (32).

(33), (34) The casing (3) is fixed to the housing (15) by the flange (3a) at the lower end.

The upper wall (35) of the casing (3) has a rotating mechanism (
An opening (35a) through which the rotating mechanism (5) passes is bored in the front part, and a rotating mechanism (5) is provided on the inner surface (lower surface) of the top wall (35).
A guide wall (36) is formed to protrude slightly downward. The guide wall (36) is close to the opening (35a) and is continuous with the front side wall (34), and the rotation mechanism (5) is controlled by the guide wall (36) and the upper end of the front side wall (34). It constitutes an annular guide portion (37). In addition, each side wall (31
) to (34) and the guide wall (36) are provided with a plurality of fixing columns (38) for fixing the lower support plate (23) and motor mounting plate (24) of the drive mechanism (4) and rotation mechanism (5). , (38)
,... are formed continuously, and the lower receiving plate (23
) is provided with an opening (23a) that communicates with the outlet of the evaporation fan (12f). The opening (23a) is formed concentrically with the opening (35a) of the upper surface wall (35), and an annular folded piece is bent upward on the periphery of the opening (23a) of the lower receiving plate (23). (23b) is formed in an L-shape.

As shown in FIG. 6, the drive mechanism (4) is composed of a geared motor (41) connected to a worm gear (42) and a belt transmission mechanism (43).
1), the motor body (41a) is attached to the motor mounting plate (24).
), and the drive shaft (4l b) is installed horizontally so as to be parallel to the top wall (35), corresponding to the thickness (vertical height in Fig. 4) of the motor body (41a). The height of the casing (3) is thus formed.

In the worm gear (42), a worm (42a) is fitted and fixed to the drive shaft (41b), and a worm wheel (42b) meshing with the worm (42a) is attached to the semicircular guide wall (36). and the flat right side wall (33
) and is fitted onto the shaft (44) using the gap created by the shaft (44). The shaft (44) is vertically supported by an upper support plate (45) and a lower support plate (23) fixed to the left side wall (33) via bearings (44a), (44a). The worm wheel (42b) is fixed to the upper part. Furthermore, a timing pulley (44b) of the belt transmission mechanism (43) is fitted onto the flange (44b) at the lower end of the shaft (44).
46) are fitted.

The timing pulley (46) has a southern part formed on its outer circumferential surface, into which a toothed belt (47) is written, and a compressed belt is formed between the recess (46a) on the inner circumference and the worm wheel (42b). A spring (48) is interposed, and the timing pulley (46) is pressed against the flange (44b) of the shaft (44) by the spring force of the compression spring (48).
4) is fitted in a slippable manner.

On the other hand, the rotating mechanism (5) includes the blowing duct (16) connected to a rotating cylinder (51) via an elbow (52), and the rotating cylinder (51) is connected to the rotating cylinder main body (51a). The upper part is fitted into the annular guide part (37), and the lower part is fitted onto the folded piece (23b) of the lower receiving plate (23) and supported in the vertical direction. An annular extension piece (5l b) facing the opening (35a) is continuously formed upwardly on the inner peripheral part of the upper end surface of the rotary cylinder main body (51a), while a band-shaped projection (51c) is formed on the upper outer peripheral surface. However, tooth portions (51d) are formed on the lower outer circumferential surface, and the tooth portions (51d) are formed on the lower outer peripheral surface.
6) is the belt (47) of the belt transmission mechanism (43).
has been entered.

Further, the upper end surface and the upper wall (3
5), and a lower thrust sheet (53) between the lower end surface and the lower receiving plate (23).
4) are interposed, and the rotary cylinder main body (51a) is pressed upward by the spring force of the lower receiving plate (23), so that both upper and lower end surfaces are sealed. Further, an upper radial sheet (55) is provided between the upper outer circumferential surface of the rotary cylinder main body (51a) and the annular guide portion (37), and a lower radial sheet (55) is provided between the lower inner circumferential surface and the folded piece (23b). A sheet (56) is interposed respectively.

Furthermore, three mounting flanges (57) for fixing the elbow (52) are provided on the upper inner peripheral surface of the rotating cylinder main body (51a).
, (57), (57) are protruded, and the mounting flanges (57), (57).

(57) are provided at irregular intervals such as 130 @ and 1 (10'). Also, the elbow (52) is connected to the rotary cylinder (5
1) Extends obliquely toward the front and upper part, and the lower end is a rotating cylinder (
51) is fitted into the annular extension piece (51b), and
A blowout duct (16) is fitted into the upper end. The elbow (52) is a fixed pillar (58) formed in a bulge on the inner peripheral surface of the lower part.

(58), (58) and the above mounting flange (57).

(57), (57) are fixed with screws etc. and the rotary cylinder (51) is fixed.
) is connected to.

On the other hand, on the guide wall (36), as shown in FIG.
A notch (6) is formed in the lower part, and a stopper (61) facing the notch (6) is projected on the upper outer circumferential surface of the rotary cylinder main body (51a). Both end surfaces of the notch (6) are stop surfaces (61a) against which the stopper (61) comes into contact.
, (61a), and the notch (6) and the stopper (
61) and the rotating cylinder (51), that is, the blow-off duct (
16) is forcibly restricted, and its rotation range is set to, for example, 110 degrees.

Further, in front of the motor body (41a), one limit switch (7) is provided as one position detection means for regulating the automatic swing range (air conditioning area) of the blow-off duct (16). The limit switch (7) is composed of a microswitch, etc., and is connected to the semicircular guide wall (36).
and the flat right side wall (32), and is attached to a support piece (39) connected to the right side wall (32). The probe (71) of the limit switch (7) is provided so as to be in contact with the outer circumferential surface of the rotary cylinder body (51a) below the stopper (61).

On the other hand, as shown in FIG. 8, the outer peripheral surface of the rotary cylinder main body (51a) is provided with a first protrusion (62) and a second protrusion (63) with which the probe (71) comes into contact. There is. Both protrusions (62) and (63) are the rotary cylinder main body (51a)
It is formed in the axial direction (vertical direction) of the first protrusion (6
2) is provided at the right end limit position and the second protrusion (63) is provided at the left end limit position of the automatic swing range of the blowout duct (16). The blowout duct (1
6) is configured to swing, and the automatic swing range is slightly smaller than the rotation range of the notch (6);
For example, it is set to 1 (10 degrees).

On the other hand, one person detection sensor (72), which is a person detection means for detecting the person to be air-conditioned in front, is attached to the upper part of the tip of the air outlet duct (16).
), as shown in FIGS. 10 and 11, includes a pair of light emitting elements (H+) and (H2), which are light emitting means, fixed to the frame (72a) at an opening angle of a predetermined angle θ3 to each other; At the center of a pair of light emitting elements (H+) and (H2), that is, at a fixed angle θ1. It consists of a light receiving element (J) which is a light receiving means fixed to the frame (72a) so as to have θ2,
Reflection of infrared rays emitted from the light emitting elements (H+) and (H2) is detected by the light receiving element (J). However, in this example, θ1-(12-〇,
Therefore, it is set to θ3-20.

Here, each of the light emitting elements (H+) and (H2) has a predetermined directivity angle ±θH, that is, the direction in which the intensity of the emitted infrared rays is above a certain level is limited to within a certain angle ±θH. It has the directionality that was made. Further, the light receiving element (J) also has directivity in which the range of incident directions in which infrared rays can be detected is limited to a predetermined directivity angle ±θJ. The relationship between the set angle θ and the directivity angle ±θH1±θJ is determined as follows: θH × θ × θH + θJ.

In other words, as shown in FIG. 11, both optical elements (H+)
, (H2) and the light-receiving element (J), the ranges of their directivity angles ±θJ and ±θH overlap, so that the infrared rays emitted from the light-emitting element (H2) or (H2) are transmitted to the light-receiving element ( At least one smooth plane exists such that the beam is reflected within the range of the directivity angle ±θJ of J), and the range of the directivity angle ±θH of both optical elements ('H+) and (Hl) is They do not overlap with each other, and there is no smooth plane where infrared rays from both light receiving elements (H+) and (Hl) are reflected to the light receiving element (J) at the same time.

That is, a pair of light emitting elements (H+), (Hl)
The infrared rays emitted from the mirror and reflected by one smooth plane forming the surface of the specular reflector (M) simultaneously reach the light receiving element (J).
To prevent light from entering with an intensity exceeding the set value Vs,
In other words, as shown in FIG.
), (Hl) are not input to the light receiving element (J), or as shown in FIG. 13, only infrared rays from one of the light emitting elements (for example, H1) are input.

On the other hand, as shown in FIG. 14, when an object that causes diffuse reflection, that is, the clothing of the air-conditioned person (CCD), exists across the directivity angle ±θH region of both optical elements (H+) and (Hl). , due to the diffused reflection on its surface, the infrared intensities from both light emitting elements (H+) and (Hl) simultaneously enter the light receiving element (J) at a level higher than the set value VS, and the directivity angle of one light emitting element (for example, H1) Clothes (
CF) etc., but the other light emitting element (
If there is no part of the directivity angle ±θH of H2), only the infrared rays from the light emitting element (H2) are input to the light receiving element (J) with an intensity equal to or higher than the set value VS. There is. Furthermore, as shown in FIG. 15, the structure is configured to identify the movement of the clothes (C!Q), that is, the person to be air-conditioned, based on the order in which the infrared rays are received from the two light emitting elements (H+) and (Hl). has been done.

At the installation location, as shown in Figure 12, if the center line of the light receiving element (J) is perpendicular to the background wall glass, etc., and the background is a specular reflector (M), Also, the infrared rays emitted from both light receiving elements (H2) (H2) and then reflected by the specular reflector (M) are prevented from being reflected within the detection range of the light receiving element (J).

FIG. 16 shows a control block diagram of the spot air conditioner (1), and the human detection signal etc. output from the human detection sensor (72) is output from the A/D included in the control unit (73).
The converter (74) converts it into a digital signal and sends it to the CPU (
75). Furthermore, the C
The position signal output from the limit switch (7) is input to the PU (75), and at the same time, the position signal output from the limit switch (7) is input to the PU (75).
6) The mode signal outputted by the mode changeover switch (76) which is a mode changeover means for switching the control mode between fixed mode, automatic swing mode, and person tracking mode, and the mode signal outputted by the mode changeover switch (76) which is a mode changeover means for switching the control mode of 6) between fixed mode, automatic swing mode, and person tracking mode, and Turn on/off the energy-saving switch (84), which is an automatic stop switching means that switches the air conditioning operation between continuous operation control and automatic stop control in the swing mode.
An off signal is input.

Further, the control unit (73) is connected to the CPU (75) with a memory (77) consisting of a ROM that stores program data in advance to realize a control flow described later and a RAM that stores processing data. A sensor flag (STF) and a human detection flag (HKF) are provided in the RAM storage area of the memory (77).
), human non-detection flag (MKF) and rotation control flag (
Although not shown, the control unit (73) also includes various timers (TM2) to (TM7), (TMa), and (TMb).

Furthermore, the control unit (73) includes a drive circuit for clockwise rotation (78) and a drive circuit for counterclockwise rotation (79) of the geared motor (41), and a first relay (RYI) constituting the air conditioning control means (8). ) and a relay drive circuit (80) for the second relay (RY2) are connected to the CPU (75).

The guard motor (41) is connected to the CPU (75).
Based on the output signal of the drive circuit for clockwise rotation and counterclockwise rotation (
78) and (79), while both relays (RYI) and (RY2) are controlled by the CPU (75).
The relay drive circuit (80) outputs O based on the output signal of
It is configured to be N/OFF controlled.

Furthermore, the fan control relay (X2) included in the air conditioning control means (8) is ON/OFF controlled by both relays (RYI) and (RY2), and the intermittent control included in the control unit (73) is controlled. The fan motor (12d) is driven and controlled via the intermittent control circuit (83), which is a means, while the compressor control relay (X2) included in the air conditioning control means (8) is ON/OFF controlled to control the compressor. The motor (9) is configured to be driven and controlled. The air conditioning control means (8) is a fan (12e).
, (12f) and the compressor (12g) to control the air conditioning operation.

FIG. 17 is a detailed circuit diagram of the control block diagram in FIG. 16, and the power supply (81) includes an operation selector switch (82) having a stop contact (82a) + a blower contact (82b) and a temperature control contact (82c). ) through the compressor control relay (X2)
an intermittent control circuit (83) comprising a series circuit in which the contacts of , the overcurrent prevention relay (51c), and the compressor motor (9) are connected in sequence, the contacts of the fan control relay (X2), and the triac (83a). and a series circuit in which the fan motor (12d) is connected in turn are connected in parallel. The intermittent control circuit (83) controls the triac (83a) to turn on and off based on the control signal from the CPU (75), and cuts off the power supply to the fan motor (12d) to intermittently operate the fan motor (12d). configured to drive. Furthermore, the contact of the fan control relay (X2),
A transformer (T'') is connected in parallel to the series circuit of the intermittent control circuit (83) and the fan motor (12d), and a parallel clockwise rotation drive circuit ( 78), a series circuit in which the counterclockwise rotation drive circuit (79) and the geared motor (41) are connected, and a series circuit in which the contacts of the first relay (RYI) and the excitation coil of the fan control relay (X2) are connected. and the contacts of the second relay (RY2) and the compressor control relay (X
The series circuits connected to the excitation coils of 2) are connected in parallel.

In addition, as shown in the control flow described later, the CPU (75) is configured to respond to a human detection signal and a movement signal from the human detection sensor (72) upon receiving a human tracking mode signal from the mode changeover switch (76). a wind direction control means (41) of the duct driving means (2) so that the blow-off duct (16) faces the person to be air-conditioned, and moves the duct to follow the movement of the person to be air-conditioned; 75a)
etc. are configured.

Next, the air conditioning control operation of this spot air conditioner (1) will be explained based on the control flow shown in FIGS. 20 to 25. In addition, regarding this control flow, the operation changeover switch (82) is set to the temperature control contact (82c), and below, the fixed mode in which the blowout duct (16) is fixed facing in a fixed direction, and the blowout An automatic swing mode in which the duct (16) automatically swings, and a person tracking mode in which the blow-off duct (16) rotates following the movement of the person to be air-conditioned will be explained in order.

Therefore, first, let us explain the fixed mode (20th
(see figure), after turning on the power, initialization is performed in step ST1, and for example, each flag (STF)
, (HKF), (MKF) and (RCF) are reset, the process moves to step ST2, and the fans (12e), (
12f) and the compressor (12a) are driven. In other words, C
The relay drive circuit (8o
) turns on the first and second relays (RYI) and (RY2), and the fan control relay and compressor control relay (X2)
, (X2) is ONL, and the fan motor (12d) and compressor motor (9) are driven. after that,
The process moves from step ST2 to step ST3, where the mode is determined, and since the fixed mode is currently set by the mode changeover switch (76), the process moves to step 5T401, where it is determined whether the energy saving switch (84) is turned on or not. If it is ON, step 5T4 (12
If it is OFF, skip step 5T4 (12) and proceed to step 5T4 (13). In step 5T4 (12), the person detection sensor (72) detects the person to be air conditioned and detects the person. It is determined whether or not a signal is being outputted, and if the person detection signal is being outputted, step 5T4 (proceeds to step 13, fans (12e), (12f)
is stopped, the fan control relay (X2) is turned on, and the intermittent control (83) trough (83a) is turned on.
) and are driven continuously, the process moves to step 5T404, and it is determined whether 3 minutes have elapsed since the compressor (12a) stopped. In other words, in order to prevent the compressor (12a) from starting and stopping continuously, once it is stopped, it is not restarted for 3 minutes, and if 3 minutes have not elapsed, step 5
Moving from T404 to step 5T405, the compressor (12
Step 5T4 (17) is executed while a) is left in the stopped state, while if 3 minutes have elapsed, step 5T404 is executed.
Then, the process moves to step 5T4 (16), and if the compressor (12a) is stopped, the compressor control relay (X2) is turned to O.
N to drive the compressor (12a) and step 5T4 (
It will move to 17th.

Thereafter, in step 5T4 (17), it is determined whether or not the automatic swing mode is set, and since the fixed mode is currently set, the geared motor (41) is activated in step 5T431.
If it is driving, after stopping, step 5T40
8, the fifth timer (7M5) and the sixth timer (TM6)
), and moves to step 5T4 (19). If the human detection flag (MKF) is set, the process moves to step ST3 after resetting. Then, the operations from step ST3 to step 5T4 (19) are performed. Cold air is repeatedly blown out in a fixed direction, and since the blow-off duct (16) is a flexible pipe, the blow-off direction must be manually set by the worker by appropriately curving the blow-off duct (16). Become.

Next, to explain the automatic swing mode, after turning on the power, it operates in the same way as the fixed mode from step STI to step 5T4 (17), and in step 5T4 (17), the mode changeover switch (76) switches to the automatic swing mode. Since the automatic swing mode is determined, the process moves to step 5T410, and the automatic swing control routine described later is started, in which the geared motor (41) is driven to reciprocate the blowout duct (16). let

After that, from step 5T410 above, step 5T40
8, and operates in the same manner as in the fixed mode, and proceeds to step ST3.
will return to. Then, by repeating the above-mentioned operation, the blow-out duct (16) automatically vibrates, and the air-conditioning area (
In this embodiment, cold air is blown at a temperature of 1 (10 degrees).

Next, in the fixed mode and the automatic swing mode, when there is a person to be air-conditioned, the system operates as described above, while a case where there is no person to be air-conditioned will be described (see FIG. 21).

First, in step 5T4 (12), when the human detection sensor (72) outputs a human non-detection signal, the determination becomes No, and the process moves to step 5T411, where the human non-detection flag (M
KF) is standing or not, and since the initial no-person detection signal output is set to "0" (step 5T4(
19), the process moves to step 5T412, and the fifth timer (7M
After stepping 5), the process moves to step 5T413, where it is determined whether a preset continuous operation time (t5) has elapsed. Then, until this continuous operation time (t5) elapses, the process moves from step 5T41B to step 5T414, and if both fans (12e) and (12f) are stopped, they are driven, and the process moves to step 5YT415, and the above-mentioned step Similarly to 5T404, in order to prevent the compressor (12a) from starting and stopping continuously, it is determined whether 3 minutes have passed since the compressor (12a) stopped, and after 3 minutes have passed, step 5T4 is performed.
If the compressor (12a) is started or driven, it continues to be driven, and if 3 minutes have not passed, the process moves to step 5.
The process moves to T417, and the process moves to step 5T418 while the compressor (12a) is stopped. Next, this step 5T418
In step 5T432, it is determined whether or not the automatic swing mode is selected, and in the case of the fixed mode, the guard motor (4
1) is driving, after stopping, step ST
Return to Step 3, while in the case of automatic swing mode, step ST
The process moves to 419, the blow-off duct (16) is rotated in the same manner as step 5T410, and the process returns to step ST3.

This step 5T401, 5T401, 5T411~5
If T419 is repeated and the continuous operation time (t5) elapses without the person detection sensor (72) detecting the person to be air-conditioned, that is, if the person to be air-conditioned does not come in front of the air-conditioning duct (16) in the fixed mode, In the automatic swing mode, the person detection sensor (72) operates within the air conditioning area due to the rotation of the blowout duct (16), and if the person to be air conditioned cannot be detected, the process moves from step 57413 to step 5T420. In this step 5T420, the fan control relay (X2) and the compressor control relay (X2) are turned off.
F and fan (12e).

After stopping the compressor (12f) and the compressor (12a) and stopping the air conditioning operation in a state where automatic recovery is possible, step 5T421
Then, the fifth timer (7M5) is reset, and the process moves to step 5T422, where a human non-detection flag (MKF) is set.

After that, the process moves to step 57423, and it is determined whether or not the fixed mode is set. If the automatic swing mode is selected, step 5T424
After stopping the blow-off duct (16) at the center of the air conditioning area, the process moves to step 5T425, while in the fixed mode, step 5T424 is skipped and step 5T425 is executed.
After incrementing the sixth timer (7M6), the process moves to step 5T426. Then, in this step 5T426, it is determined whether or not a preset air conditioning stop time (t6) has elapsed, and the process returns to step ST3 until the air conditioning stop time (t6) has elapsed.
6), the process moves to step 5T427, resets the sixth timer (7M6), and then proceeds to step 5T428.
Then, the system goes down to a state where the air conditioning control means (8) cannot be automatically restored.

In other words, when there are no people to be air conditioned, the continuous operation time (t
When the person subject to air conditioning returns to step 5), step 5T4 (
12, the process moves to step 5T408, and while the normal air conditioning operation is performed, the air conditioning operation is stopped when the continuous operation time (t5) has elapsed. Then, after that, the air conditioning stop time (t
When the person subject to air conditioning returns within 6), the process moves from step 5T4 (12) to step 5T408 based on the human detection signal from the human detection sensor (72), and the air conditioning operation is automatically resumed, while the air conditioning stop time (t6) is resumed. If the person to be air-conditioned does not return within the specified time, the entire system will be stopped, and even if the person to be air-conditioned returns after that time, the air-conditioning operation will not be automatically restarted, and the restart of this air-conditioning operation must be done by turning the power switch back on. become.

Then, in step 5T4 (17 and 5T418), the fixed control means (75b)
An automatic swinging means (75c) is constructed in step 419, an air conditioning stopping means (75d) is constructed in steps 5T411 to 5T424, and a system stopping means (75e) is constructed in steps 5T425 to 5T428.

Note that if the energy saving switch (84) is turned off, steps 5T401 to 5T4 (
13, the air conditioning operation does not stop automatically. Further, in the above control flow, when the air conditioning is stopped (step 5T429 and thereafter), the process moves from step 5T411 to step 5T420, and the fifth timer (7M5) does not operate.

Next, the automatic swing control in steps 5T410 and 5T419 will be explained based on the control flow shown in FIG. 22.

First, in steps 5T410 and 5T419, when the geared motor (41) is rotated forward or reversed, the rotation of the geared motor (41) is caused by the worm gear (42).
and is transmitted to the rotating cylinder (51) via the belt transmission mechanism (43), and the rotating cylinder (51) rotates to open the blow-off duct (1).
6) will rotate. Then step 5T20
1, it is determined whether or not the limit switch (7) outputs a position signal, and the limit switch (7) does not output a position signal without contacting each protrusion (62), (63). In other words, when the blow-off duct (16) is in the middle of rotation, the process moves to step ST2 (12), increments the half-turn timer (TM a ), which is a half-turn counting means, and moves to step 5T2 (13, in which the half-turn is counted). Rotation timer (T Ma
) has counted a preset half-turn time (ta). This half-turn time (ta) is determined by the blow-off duct (
16) is set to the time required for rotation from one rotation restriction position to the other rotation restriction position, that is, the time required for rotation from the right end to the left end or from the left end to the right end. Then, the process returns from step 5T20B to step 5T201 until this half-turn time (ta) has elapsed, and this operation is repeated. Usually, this half-turn time (ta) has elapsed.
Since the outlet duct (16) is set to reach the right or left end by the time ta) elapses, the limit switch (7) contacts the protrusions (62) and (63) and outputs a position signal. I will do it.

When the position signal of this limit switch (7) is received, the process moves from step 5T201 to step 5T204, and after resetting the half rotation timer (TMa), step 5T
Moving to 205, it is determined whether or not the blow-off duct (16) is rotating clockwise. In other words, the direction of duct rotation is determined before the position signal of the limit switch (7) is output. For example, if the duct is rotating clockwise in Figure 5, the CP
Based on the output signal of U (75), the triac (78a) of the clockwise rotation drive circuit (78) is turned on via a drive transistor (not shown), so this CPU (75)
), the duct rotation direction is determined to be clockwise rotation, and the process moves from step 5T205 to step 5T2 (16), where the triac (78a) of the clockwise rotation drive circuit (78) is turned off.
FF to stop the clockwise rotation of the blow-off duct (16), and at the same time, based on the output signal of the CPU (75), the clockwise rotation drive circuit (7) is activated via other drive transistors (not shown).
ONL the triac (79a), and the blowout duct (1).
6) Rotate counterclockwise to the left in Figure 5.

Subsequently, the above step 5T2 (from step 5T2
(Proceeding to step 17, the output stop timer (TMb), which is an output stop counting means, is incremented, and then the process moves to step 5T208, where the output stop timer (TMb) reaches the preset output stop time (tb). It is determined whether or not the count has been completed, and step 5T2 (1
9, it is determined whether or not the output of the position signal of the limit switch (7) has stopped, and the step 5T2 (returns to 17 and repeats the step 5T2 described above) until the output stops.
(The operations up to step 19 will be repeated.

During this output stop time (tb), the probe (71) of the limit switch (7) contacts the first protrusion (62), the blowout duct (16) is reversed, and the first protrusion (62) contacts the probe (71). The first protrusion (62) is normally set within this output stop time (tb).
is away from the probe (71) and the limit switch (7)
The position signal output is set to stop. Therefore, the limit switch (
When the output of step 7) stops, the process moves from step 5T2 (19) to step 5T210, where the output stop timer (TMb) is reset, and then the process moves to step 5T225, where normal processing is performed, and then returns to step 5T408, etc., described above. The operations from step 5T401 to step 5T432 are repeated at predetermined timing.

After that, when the blow-off duct (16) starts to rotate counterclockwise, in the control flow of FIG. 22, step 5T201
Then, the process moves to step 5T2 (12), where the half rotation timer (TM a ) is activated as described above, and the next position signal output of the limit switch (7) is awaited. When the two protrusions (63) are contacted and a position signal is output, in step 5T205, the duct rotation direction before outputting the position signal is determined by the CPU (75).
Since it can be identified by the output of
)'s triac (79a) is turned off.

The triac (78a) of the drive circuit for clockwise rotation (78) is turned ON and the blow-off duct (16) is rotated clockwise again. Thereafter, step ST212.
5T214 is operated, the output stop timer (TMb) is activated, and the limit switch (
When the output of step 7) stops, the process moves to step 5T210. By repeating this operation, the blow-off duct (16) is rotated back and forth within a range of 1 (10 degrees) to perform an automatic neck vibration operation and blow out cold air within the rotation range.

Then, from this step 5T201 to step 5T21
4 and step 5T225 constitute the above-mentioned automatic swinging means (75c).

Next, during this automatic swinging operation, step 5T2
(At step 13, the half-turn timer (T M a ) starts the half-turn time (ta
) and time up, step 5T215
Move on to the limit switch (7) and guard motor (
The abnormality handling operation of step 41) is started and the process moves to step 5T216, where abnormality handling is performed.

In other words, the limit switch (7) has a half rotation time (ta)
Since the position signal is set to be output at a predetermined period within ), this regular signal output is used to determine an abnormality if the position signal is not output within the half rotation time (ta). It turns out. Specifically, if the geared motor (41) breaks down and the rotational speed of the blow-off duct (16) decreases,
If it is not rotating, limit switch (7)
The geared motor (41) is stopped in step 5T216, in other words, both triacs (78a) are in a state where normal swing control cannot be performed.
), (79a) are turned off, and abnormality processing such as lighting of an abnormality lamp is performed.

Further, during the automatic neck vibration operation described above, step 5720
8 or step 5T213, the output stop timer (TMb
) counts the output stop time (tb) and times up. At the start of counterclockwise rotation, the process moves from step 57208 to step 5T217, where the output stop timer (TMb) is reset, and then the process moves to step 5T218, where the rotation control flag ( RCF) is set, and if the output stop timer (TMb) times up starting from a normal control state, the rotation control flag (RCF) is set to "0".
”, so step 5T218 to step 5T2
19, the rotation control flag (RCF) is set, and the process moves to step 5T211. On the other hand, if the output stop timer (TMb) times up at the start of clockwise rotation,
In the same way as when starting left rotation described above, steps 5T21B to 5T220, 5T221, and 5T222 are performed, and after resetting the output stop timer (TMb) and determining and setting the rotation control flag (RCF), step 5T2 ( It will move to 16th.

In other words, since the limit switch (7) detection signal is set to be output only within the output stop time (tb) until the rotation of the blowout duct (16) is reversed, this regular output is performed. This output stop time (
If the output of the position signal does not stop within tb), it will be determined that there is an abnormality or erroneous control. Therefore, as described above, for example, when the output stop timer (TMb) times up when the counterclockwise rotation start control is performed in step 5T2 (16) (steps 5T217 to 5T219), then in step 5T211, the blowout duct (16 ) is rotated in the opposite direction.When the output of the limit switch (7) is stopped by this clockwise rotation control, the control in step 5T2 (16) is determined to be erroneous control, and the above-mentioned The process moves from step 5T214 to step 5T210, where normal processing is performed.On the other hand, if the limit switch (7) continues to output the position signal even if the clockwise rotation control is performed in step 5T211, the process moves from step 5T213 to step 5T220. 5T221
Then, in step 5T219, the rotation control flag (R
CF), the process moves to step 57223 and step 5T224, and the steps 5T215 and 5T215 mentioned above are executed.
Similar to 5T216, it determines whether there is an abnormality in the limit switch (7) or the geared motor (41), and
41) will be stopped and abnormality processing will be performed.

In addition, in step 5T211, when the output stop timer (TM b ) times up for the first time during clockwise rotation control, the process from step 5T222 to step 5T2 (16
Move to , perform counterclockwise rotation control, and press the limit switch (7).
) stops outputting, normal processing (step 5T210)
If the output continues, abnormality processing (step 5T22B)
will be performed respectively.

On the other hand, the automatic swing control described above also uses a limit switch (
In the case of 7), the duct rotation direction can be identified before the position signal is output, but it may not be possible to identify it at the start of automatic swing control such as at startup.

In other words, when starting up, etc., the limit switch (7
) probe (71) is connected to either protrusion (62), (
63) and the limit switch (7) is outputting a position signal, there is only one limit switch (7) signal, so the blowout duct 1-(16) is located at the right end. It is unclear whether the rotation starts from the left or the left end, and it cannot be determined whether the rotation starts from the left or the right.

Therefore, by utilizing the point that the output of the position signal of the limit switch (7) described above stops regularly,
The direction of duct rotation is identified by the operations of 208, 5T21B and 5T217 to 5T222.

First, at startup, it starts from step STI, moves from step 5T410 to step 5T201,
After operating up to step 5T205, the above step 5T
At step 410, the blow-off duct (16) is set to rotate in either the left or right direction, for example, it is set to start rotating to the left, and in step 5T20
5 to step 5T2 (move to 16, geared motor (
41), step 5T2 (17~5T2(
The operations up to step 19 are performed, and it is determined whether the limit switch (7) stops outputting the signal within the output stop time (tb). At that time, if the blow-off duct (16) is located at the right end and the limit switch (7) is outputting a position signal through the first protrusion (62), it is in a state where it should be rotated counterclockwise, so the output stop time ( The output of the position signal is stopped within tb), and the process moves from step 5T2 (19) to step 5T210, whereupon normal head swing control is performed.

On the other hand, when the counterclockwise rotation is started in step 5T2 (16), if the blow-off duct (16) is located at the left end and the limit switch (7) is outputting a position signal by the second protrusion (63), then the Since it is in a state where it should rotate, the output stop timer (TMb) times up while the position signal is being output, and steps 5T217 to 5T219
The process moves to step 5T211 via , and clockwise rotation is started. Since the blowout duct (16) is in a state where it should be rotated clockwise, the output of the limit switch (7) is stopped within the output stop time (tb), and step 5T21
The process moves from step 4 to step 5T210, where normal head swing control is performed.

Further, in step 5T205, the clockwise rotation operation may be started, in which case step 5T213
The process then moves to steps 5T220 to 5T222 and operates in the same manner as described above.

That is, the blow-off duct (16) is rotated left and right for a short period of time, and the direction of rotation of the duct is identified by stopping the output of the position signal.

Then, this step 5T2 (12.5T2 (13°5
First abnormality detection means (75f) at T215 and 5T216
However, 5T2 (17~5T2 (19,5T212~5T2
14 and 5T217 to 5T224, the second abnormality detection means (
75g).

Next, the person tracking mode will be explained. So, first of all,
The signal processing operation of the human detection sensor (72), which is the basis for controlling the direction of the blow-off duct (16), will be explained based on the control flow shown in FIG. 18 and the control timing shown in FIG. 19. FIG. 18 shows the control contents of the CPU (1),
In step 5TIO1, the right light emitting element (H2) is turned on (see FIG. 19(n)) to emit infrared rays, and in step 5T1 (12), check whether the output signal V! of the light receiving element (J) is equal to or higher than the set value Vs. Then, it is determined whether the set value VS
If the above is the case, step 5T1 (in step 13, the left light emitting element (
H2) is turned on (see FIG. 19 (1)) to emit infrared rays, and in step 5T104 it is further determined whether the output v1 of the light receiving element (J) is greater than or equal to the set value Vs. If the determination is YES, it is determined that there is a person subject to air conditioning in front of the light receiving element (J), and step 5T105
Starts the human detection operation at step 1 (step 16), outputs the human detection signal at step 5T1 (step 17), and then outputs the dual light element (H
+ ).

The sensor flag (STF) indicating that the signal from (H2) is input to the light receiving element (J) at the same time is set to "1".
”, the process returns to step 5T101.

After that, the above flow is repeated and the above step 5T10
If the determination in step 4 changes and the output v1 of the light receiving element (J) becomes NO, which is lower than the set value Vs, the person to be air-conditioned is outside the directivity angle range ±θH of the left light emitting element (H2). Then, in step ST10g, it is determined whether the sensor flag (STF) is "1" or not. If YES, there is a change from the state in which the person subject to air conditioning was present in front of the light receiving element (J). It is determined that the person is moving from the front to the right, and in step 5T1 (step 19, a rightward movement operation in which the person to be air-conditioned moves to the right is started, and in step 5T110, a rightward movement signal is output).

On the other hand, if the determination in step 5T1 (12) is NO that the output v2 of the light receiving element (J) is lower than the set value Vs, the left light emitting element (H2) is turned on in step 5T110, and the left light emitting element (H2) is turned on in step 5T112. Light receiving element (J)
It is determined whether the output v1 of is equal to or greater than the set value 78. If the determination result is YES, further step 5T1
In step 13, it is determined whether the sensor flag (STF) is "1" or not, and if it is "1", it is determined that this is a change from the state in which the person subject to air conditioning was present in front of the light receiving element (J). Then, in step STI 14, the person to be air-conditioned starts a left movement operation in which the person moves to the left, and in step S'T 115, a left movement signal is output.

In other cases as above, that is, the determinations in steps 5T1 (12 and 5T112) are both No, and both optical elements (
When the output V, , V, of the light receiving element (J) is not equal to or higher than the set value Vs even when H+ ), (H2) are in the ON state, or when the judgments in steps 5TIO8 and 5T113 above are respectively No and there is no human detection state. When infrared rays from one of the light emitting elements (H+ or H2) are incident, a "no human detection" operation is started in step 5T116, and a no human detection signal is output in step 5T117.

When the above flow is finished, the sensor flag (STF) is set to "0" in step 5T118, and step 5T
Return to step 101 and repeat the above flow. This step 5
At T1 (12, 5T104 and 5T105), the human detection discrimination means (75h)
5T108, 5T112, and 5T113 constitute a person movement determination means (75i).

Next, the control operation in the human tracking mode based on the signal processing operation of the human detection sensor (72) described above will be explained with reference to FIGS. 23 to 25.

First, after turning on the power, step ST1 to step ST3
In step ST3, the mode changeover switch (76) is set to the human tracking mode, so the human tracking mode is determined and the process moves to step 5TII, where the human detection flag is set. (HKF
) is “0” or not. Since the human detection flag (HKF) is reset when the power is turned on, the process moves to step 5T12, and the human detection sensor (HKF) described above is reset.
2) determines whether or not it is outputting a human detection signal, and if it outputs a human non-detection signal in step 5T117 mentioned above, it goes to step STI 3 and outputs a human detection signal in step 5T105. If so, the process moves to step 5T30.

Therefore, when the person subject to air conditioning is not detected (see Figure 24)
, a human non-detection operation is started in step 5T13, and the process moves to step 5T14, where it is determined whether or not the human non-detection flag (MKF) is "0". And this person undetected flag (MK
F) is reset when the power is turned on, etc., so the process moves from step 5T14 to step 5T15, and the second timer (
7M2) and move to step 5T16, and the second
Evening time (TM2) is a preset short-term standby time (t2
) has elapsed, and this short-term waiting time (t
Step 5TI6 to Step 5T until 2) has passed.
It will move to 17th. And this step 5T17
In addition to performing a short-term standby operation, a search operation for a person to be air-conditioned is performed. That is, in step 5T17, the guard motor (41) is driven to cause the blow-off duct (16) to vibrate in response to the output signal of the limit switch (7), similar to the automatic vibrating mode described above. Next, the process moves to step 57181, and both fans (12e),
(12f) is stopped, the fan control relay (X2) and the triac (83a) of the intermittent control circuit (83) are turned on to drive the fan continuously, and step 5T18
2, the seventh timer (TH
7) and proceeds to step 5T19, in which it is determined whether 3 minutes have elapsed since the compressor (12a) stopped in order to prevent the compressor (12a) from continuously starting and stopping, similarly to step 5T404 described above. , after 3 minutes have elapsed, the process moves to step 5T20, and if the compressor (12a) is started or driven, it continues to be driven, and before 3 minutes have elapsed, the process moves to step 5T21, and returns to step ST3 with the compressor (12a) stopped. It turns out. Then, the operations from step 5T11 to step 5T21 described above are repeated.

Specifically, the short-term standby time (t2) is set to, for example, 5 minutes, and when the person detection sensor (72) does not detect a person to be air-conditioned, the compressor (12a) and fan (12e)
), (12f) to blow out cold air and wait for 5 minutes for the person to be air-conditioned to enter the air-conditioned area, and at the same time rotate the blow-off duct (16) to blow out the cold air to the person to be air-conditioned inside the air-conditioned area. I'm exploring.

Thereafter, if the person to be air-conditioned cannot be detected before the short-term standby time (t2) elapses, the process moves to a long-term standby operation. First, the process moves from step 5T16 to step 5T22, where the guard motor (41) is stopped and the air outlet duct (16) is stopped. )
After stopping at the center with respect to the air conditioner main body (12), proceed to step 5T23, turn off the fan control relay (X2) and the compressor control relay (X2), and turn off both fans (12).
2e), (12f) and the compressor (12a) are stopped. Next, the process moves to step 5T24, and the second timer (
After resetting TM2), move to step 5T25,
After setting the human non-detection flag (MKF) to "1", the process moves to step 5T26, where the third timer (TM3) is incremented, and the process moves to step 5T27, where the third timer (TM3) is incremented.
It is determined whether or not a preset long-term standby time (t3) has elapsed. Then, the process returns from step 5T27 to step ST3 and repeats the above-mentioned operation until this long-term standby time (t3) has elapsed.
), the process returns from step 5T14 to step 5T22, and the second timer (TM2) does not increment.

If the person detection sensor (72) does not detect a person to be air conditioned within this long-term standby time (t3) and the long-term standby time (t3) has elapsed, the process moves from step 5T27 to step 5T28;
After resetting the third timer (T M 3 ), the process moves to step 5T29, where the system will go down. When restarting, the system will be restarted by turning the power back on, etc., and the control flow will start from step ST1. . Specifically, in this long-term standby operation, if the long-term standby time (t3) is set to, for example, one hour, and there is no person to be air-conditioned even after the short-term standby time (t2) has elapsed,
Compressor (12a) and fan (12e), (12f
) and stop blowing or blowing cold air,
The blow-out duct (16) is stopped at the center to wait for the person to be air-conditioned to enter. If there is no person to be air-conditioned after one hour, the entire system will be stopped, and even if the person to be air-conditioned enters the monitoring area of the human detection sensor (72), the compressor (12a) etc. will be automatically turned off. It never starts.

In these steps 5713 to 5T21, the short-term standby means (75
j), but in step 5T17, the person search means (75k)
Also, in steps 5T22 to 5T29, the long-term standby means (7
5! Q) are each configured.

Next, in this human tracking mode, the human detection sensor (72
) outputs a human detection signal, the process moves from step 5T12 to step 5T30 (see FIG. 23), and the human detection establishment operation is started. Therefore, first, to explain the case where the person to be air-conditioned is not moving, the process moves from step 5T30 to step 5T31, and if the guard motor (41) is being driven, the guard motor (41) is stopped and the air outlet duct (16 ) to stop. After that, the process moves to step 5T32, and after incrementing the seventh timer (7M7), which is a counting means for starting intermittent operation, step 5T50
1, the seventh timer (7M7) determines whether or not a preset continuous operation time (t7) has elapsed, and continues in step 5T5 (1) until this continuous operation time (t7) has elapsed.
2, the fan control relay (X2) is turned on, and the triac (83a) of the intermittent control circuit (83) is turned on to continuously supply power to the fan motor (12d), and the fans (12e) and (12f) are turned on. ) is driven continuously. Next, the process moves to step 5T33, and this step 5733
The compressor (12a
) After the compressor (12a) is stopped in order to prevent continuous starting and stopping of the compressor (12a),
It is determined whether 3 minutes have elapsed or not, and if 3 minutes have elapsed, the process moves to step 5T34 to start the compressor (12a), or if it is being driven, continues to drive it and proceeds to step 5T36. On the other hand, before 3 minutes have elapsed, the process moves to step 5T35 and moves to step 5T36 with the compressor (12a) stopped.

Then, in this step 5T36, each timer (TM2) ~
After resetting (TM4), the process moves to step 5737, the human detection flag (HKF) is set to "1", the process moves to step 5T38, and after resetting the human non-detection flag (MKF), the process returns to step ST3. Become. after that,
In step 5T11, the human detection flag (HKF)
is standing (step 5T37), so the judgment is NO.
Then, the process moves to step 5T39 (see FIG. 25), where it is determined whether the person movement condition is satisfied, and whether or not a movement signal is output in step 5T110 and step 5T115 described above, and whether or not the person to be air-conditioned is If it does not move, the process returns to step 5T30, and this step S
T3, 5TII, 5T321-5T323 and 5T30
The operations from 5T39 to 5T39 are repeated at predetermined timing until the continuous operation time (t5) elapses.

That is, for example, when the person detection sensor (72) detects the person to be air conditioned during the search for the person to be air conditioned in step 5T17, the air outlet duct (16) is detected in step 5T31.
) is stopped, the blow-off duct (16) is directed toward the person to be air-conditioned, and cold air is blown onto the person to be air-conditioned for local cooling.

Furthermore, during the long standby period in steps 5722 to 5T27, if a person subject to air conditioning enters the monitoring area of the human detection sensor (72), the process moves from step 5T12 to step 5T30 as described above, and the compressor (12a) and fan (
12e) and (12f) are driven to blow cold air to the person to be air-conditioned.

Then, the person subject to the air conditioning continues to work in the same place without moving, and the seventh timer (7M7) measures the continuous operation time (
After t7), the process moves from step 5T501 to step 5T5 (13), where the triac (83a) of the intermittent control circuit (83) is ON/OFF controlled based on the control signal of the CPU (75), and the fan motor (12d) The power supply is intermittent, the process moves to step 5T3B, and the above operation is repeated.In other words, if the person to be air-conditioned does not move for a long time, the fan motor (12d) is turned ON-OF.
F, the fans (12e) and (12f) are operated intermittently between normal rotation and rotation due to inertia, and normal air blowing and weak air blowing are intermittently repeated to reduce the amount of cold air blown out.

Next, a case will be described in which the person to be air-conditioned moves during the above-mentioned human detection establishment operation (see FIG. 25).

First, step 5T110 and step 5T1 described above
When the human detection sensor (72) outputs a movement signal at 15,
In step 5T39, it is determined that the person movement condition is met, and the process moves from step 5T39 to step 5T511, where the triac (83a) of the intermittent control circuit (83) is
is under 0N-OFF control, it is turned on to drive the fans (12a) and (12f) continuously, and in step 5T512, the seventh timer (TM7) is reset, and then the process moves to step 5T40 to 1 timer (
After incrementing the first timer (TMI), the process moves to step 5T41, where the first timer (TMI) increments the preset delay time
) has elapsed, and the process returns to step ST3 until the delay time (t2) has elapsed. This delay time (t2) is set to, for example, 1 second, and when the person to be air-conditioned leaves the monitoring area of the human detection sensor (72) and returns immediately, the blow-off duct (16) is prevented from moving, and the The status quo is maintained for seconds. The steps 5T40 and 5T41 constitute a drive delay means (75m).

Thereafter, when the delay time (t2) has elapsed, the process moves from step 5T41 to step 5T42, where it is determined whether the person subject to air conditioning has moved to the right or left, and the output of the person detection sensor (72) is determined. Based on the signals, if a rightward movement signal is output in step 5T110 described above, the process proceeds to step 5T43, and if a leftward movement signal is outputted in step 5T115, the process proceeds to step 5T44. Therefore, first, to explain the case of rightward movement, in step 5T43, the blowout duct (
16) has been rotated to the right end limit position or not,
If it has not rotated to the right end limit position, that is, the first
If the limit switch (7) is not outputting due to the protrusion (62), it can be rotated to the right, so step 5
Moving from T43 to step 5T45, the geared motor (
41) to rotate the blow-off duct (16) to the right. Subsequently, the process moves to step 5T46, where the first timer (TM2) and the fourth timer (7M4) are reset, and the process moves to step 5T47, where the human detection flag (HKF) is reset, and then returns to step ST3. Since the human detection flag (HKF) is reset, the determination in step STI 1 becomes YES, and after performing the operations in steps 5T30 to 5T38 described above, the process returns to step 5T40, and the delay time (t2 ) If the person to be air-conditioned is still moving to the right during the process, the blow-off duct (16) is subsequently rotated to the right in step 5T45.

On the other hand, the same applies when the person to be air-conditioned is moving to the left, and the process moves from step 5T42 to step 5T44.
It is determined whether or not the blow-off duct (16) has rotated to the left end control position, and if there is no output signal from the limit switch (7) due to the second protrusion (63), the process moves from step 5T44 to step 5T48, and the geared motor ( 41) in the opposite direction to rotate the blow-off duct (16) to the left, the process moves to step 5T46, and the same operation as in the clockwise rotation described above is performed.

In other words, when the person to be air-conditioned moves from side to side within the air-conditioned area by the blow-off duct (16), the person detection sensor (
72) identifies the moving direction, and in steps 5T45 and 5T48, the guard motor (41) is rotated in forward and reverse directions to rotate the blow-off duct (16) to follow the movement of the person to be air-conditioned to track the person and move. Cool air will continue to be blown to those subject to air conditioning.

On the other hand, in steps S, T43, and step 5T44, if the air outlet duct (16) has rotated to the right end limit position or the left end limit position, even if the person to be air-conditioned further moves in the same direction, the air outlet duct (16) cannot be rotated in the same direction, the process moves from step 5743 to step 5T49, and from step 5T44 to step 5T50, where the fourth timer (7M4) is incremented. Then step 4
9 to step 5T51, and from step 5T50 to step 5T52, and return to step ST3 from step 5T51 or step 5T52 until the fourth timer (7M4) passes the preset stop time (t4), and this stop is continued. Blowout duct 1 until time (t4) elapses
- (16) is stopped at each end limit position. and,
When this stop time (t4) has elapsed, step 5T51
Then, the process moves to step 5T48, and from step 5T52 to step 5T45, the blow-off duct (16) is rotated in the opposite direction, and the process moves to step 5T46, where the above-described operations are performed.

In other words, if the person to be air-conditioned leaves the edge of the air-conditioned area, there is a high possibility that the person will return from the edge, so the blow-off duct (16) is stopped at each end side limit position, and within this stopping time (t4). When the person to be air-conditioned is detected, the process moves from step 5T39 to step 5T30, and the person is tracked as described above. If the person to be air-conditioned does not return, the blow-off duct (16) is rotated in the opposite direction, and the process is performed as described above. Thus, in step 5T12, it is determined whether or not a human detection signal is output.

After that, after performing the short-term standby operation and search operation (steps 5T13 to 5T21) as described above, the long-term standby operation (steps 5T22 to 5T29) is performed, and if the person to be air-conditioned returns during that time, the person tracking will be performed again. Become.

Steps 5T30 to 5T47 constitute a wind direction control means (75a), and steps 5T43, 5T44 and 5T49 to 5T52 constitute a duct stopping means (75n).

In addition, when the operation changeover switch (82) is set to the ventilation contact (82b), the fans (12e) and (1
2f) will be driven.

Therefore, since the person detection sensor (72) is provided and the air outlet duct (16) is moved to follow the movement of the person to be air-conditioned based on the person detection signal and movement signal of the person detection sensor (72), The conditioned air can be reliably blown onto the person to be conditioned, and the person to be conditioned can reliably receive the conditioned air even when moving for various tasks, so the comfort provided by air conditioning can be significantly improved. At the same time, the air conditioning effect as local air conditioning can be reliably exerted. Further, since the blow-off duct (16) automatically tracks the person, the person to be air-conditioned does not need to change the blow-out direction at all, and operability can be improved.

In addition, since one person detection sensor (72) is provided at the tip of the air outlet duct (16), it is possible to accurately detect the person to be air-conditioned in front of the air outlet duct (16), simplifying signal processing, etc. In addition, the blow-off duct (16) can be reliably tracked in accordance with the work space of the person to be air-conditioned.

(Hereinafter, blank space) The human detection sensor (72) also includes a pair of infrared light emitting elements (H2) on both sides of a single infrared light receiving element (J), (
H2) are arranged so that their light emitting directivity angle areas do not overlap with each other, and the light receiving directivity angle areas of the light receiving element (J) and the light emitting directivity angle areas of each of the light emitting elements (H2) and (H2) overlap. , both optical elements (H2), (H
2) A detection signal for the air-conditioned person is output only when the reflected amount of infrared rays emitted from the The presence of the person to be air-conditioned can be reliably detected without being affected by the air conditioner, and thus the accuracy of human detection can be improved. Moreover, when only the infrared intensity from one light emitting element (H2), (H2) changes to lower than the set value after the human detection signal is output, the other light emitting element (H2) changes to a value lower than the set value.
Since it is determined that the person to be air-conditioned has moved in the direction of the light emission direction angle region of H2) and (H2), the movement of the person to be air-conditioned can be accurately detected with a simple configuration without the need for a separate detection device. can do.

Furthermore, since the movement of the blow-off duct (16) is delayed by a minute time (t2) from the movement of the person to be air-conditioned,
When the person to be air-conditioned momentarily moves left or right and then returns, the outlet duct (16) maintains its current state without moving, which prevents wasteful operation of the outlet duct (16) and increases the Since accurate control can be performed, the reliability of wind direction control can be improved.

In addition, when a person to be air-conditioned receives conditioned air continuously for a predetermined period of time (t2), the amount of air blown will change intermittently, especially if the person to be air-conditioned is in the same place without moving. It is possible to prevent overheating and further improve comfort. Furthermore, since this intermittent operation is performed after the optimum environment, the intermittent operation time can be shortened, and the fan drive means (
The reliability of 12d) can be improved, and since so-called on/off control is performed, reliable control can be achieved with a simple configuration, and power consumption can be reduced.

Furthermore, when the person to be air-conditioned moves out of the air-conditioning area, the blow-off duct (16) is stopped at its rotation restricted position.
When the air-conditioned person returns from the rotation-restricted position, he or she can immediately receive conditioned air. Especially when leaving the air-conditioned area for a short time, there is a high possibility that the air-conditioned person will return from the same place. This will improve comfort even further.

Furthermore, even if the person to be air-conditioned moves outside the air-conditioning area, it remains on standby, so when the person to be air-conditioned returns, he or she can continue to receive the conditioned air, which further improves comfort.
While improving operability, if the person to be air-conditioned does not return for a long time, the air-conditioning operation is stopped, which prevents wasted power and saves energy. , automatic recovery improves operability, and the system shuts down if the person to be air conditioned does not return for a long time, preventing the air conditioning from restarting inadvertently, ensuring high-precision air conditioning. Since the control can be performed and the blow-off duct (16) is stopped at the center of the air-conditioning area, it is possible to quickly respond when the person to be air-conditioned returns.

In addition, since the person search means (75k) searches for the person to be air-conditioned, when the person to be air-conditioned enters the air-conditioned area, the person to be air-conditioned can automatically receive conditioned air. At the same time, comfort is improved, and operability can be improved.
), the human detection sensor (72) scans by the automatic head movement of the human detection sensor (72), so there is no need for a dedicated scanning means for the human detection sensor (72), the structure can be simplified, and the output signal of the human detection sensor (72) Accurately connect the air outlet duct (16
) can be directed towards the person receiving the air conditioning. In addition, since the search is performed in the air conditioning operating state before the human detection sensor (72) outputs the human non-detection signal, when the person to be air conditioned enters the air conditioning area,
This means that the user can immediately receive cold air, etc., thereby further improving comfort.

In addition, since the blow-off duct (16) can be set to three modes, the blow-off duct (16) can be controlled to be fixed, automatically oscillate, or track people depending on the work and number of people to be air-conditioned. , it is possible to perform air conditioning that meets various conditions. At that time, the air conditioning operation will stop if there is no person to be air conditioned, which prevents unnecessary air conditioning.
It is possible to save energy, and in addition, since the system shuts down when the person being air-conditioned is not present for a long time, the air-conditioning operation will not be restarted inadvertently, and high-precision air-conditioning control can be performed. In addition, since the air conditioning can be switched to automatic stop operation, air conditioning control can be performed that corresponds to various usage modes.

Furthermore, since an abnormality is detected based on the interval of position signals output by the limit switch (7), it is possible to accurately detect abnormalities in the duct driving means (2), that is, the geared motor (41) and the limit switch (7). Therefore, abnormality processing such as stopping the drive of the geared motor (41) can be accurately performed, and the reliability of the entire apparatus including duct control etc. can be improved. Furthermore, the above-mentioned blow-off duct (
16) can be accurately controlled, so reliable air conditioning can be performed and comfort can be improved. In addition, since the output signal of the limit switch (7) that detects the position of the above-mentioned blow-off duct (16) is used,
Since there is no need to provide any abnormality detection sensor or the like and the number of parts does not increase, abnormality detection can be performed at low cost with a simple structure. In addition, since abnormalities are detected based on the output time of the limit switch (7), abnormalities can be detected in a short period of time, and abnormalities can be quickly dealt with. Geared motor (41) of drive means (2)
Since the motor is stopped, erroneous control can be prevented, and seizing of the geared motor (41) can be reliably prevented.

In the automatic swing mode of this embodiment (see FIG. 22), when the output stop timer (TMb) times up (steps 5T208 and 5T213), the geared motor (41) is reversed again (step 5T).
218 to 5T211, or from step 5T221 to 5T2 (16), when the output stop timer (TMb) times up once, the second abnormality detection means (75d) goes from step 5T217 to 57223, or from step 5T2.
It is also possible to directly move from 20 to 5T223 and perform abnormality processing.

Figure 26 shows two limit switches (7a).

(7b) shows the flow of automatic oscillation control of the blow-off duct (16) when the first limit switch (7a) and the second limit switch (7b) are installed.
The mounting structure will be explained first. In FIGS. 4, 16, and 17, the first limit switch (7a) corresponds to the limit switch (7) in the previous embodiment and is indicated by a solid line, and the second limit switch (7b) is indicated by a dashed line. ing.

Both limit switches (7a) and (7b) are composed of microswitches, etc., and the semicircular guide wall (3)
6) and the flat right side wall (32). installed. And each of the above limit switches (7a),
The probes (71a) and (71b) of (7b) are provided so as to contact the outer circumferential surface of the rotary cylinder main body (51a) below the stopper (61) at two locations, upper and lower.

On the other hand, as shown in FIGS. 8 and 9, the probe (71a), (
The first protrusion (62) and the second protrusion (63
) is provided. Both protrusions (62) and (63) are formed in the axial direction (vertical direction) of the rotary cylinder body (51a) as in the previous embodiment, and the first protrusion (62) is the automatic A second protrusion (63) is provided at the right end limit position and the left end limit position of the swing range, respectively.

Further, the first protrusion (62) is formed longer downward than the second protrusion (63), and the first protrusion (62) is connected to the probe (71a) of both limit switches (7a) and (7b).
(71b) is in contact with the second protrusion (63), and the second protrusion (63) is the second
Both limit switches (7a) are formed so that only the probes (7lb) of the limit switch (7b) come into contact with each other.

The position signal (7b) is input to the CPU (75) to control the geared motor (41) in forward and reverse directions.

Next, these two limit switches (7a).

(7b) is installed, the automatic oscillation control of the blow-off duct (16) (step 5T410 in Fig. 20) is
The explanation will be based on the control flow shown in the figure.

First, step ST3 to step 5T41 in FIG.
0 and drives the geared motor (41), the process moves to step 5T301 and the first limit switch (7a) is activated.
It is determined whether or not the second limit switch (7b) has outputted a position signal, and the process moves to step 5T3 (12), and it is determined whether or not the second limit switch (7b) has outputted the position signal. Since both limit switches (7a) and (7b) do not output position signals during rotation, the process moves to step 5T3 (13) and the half rotation timer (TMa)
After stepping forward, it is determined in step 5T3 (13 whether or not the half-turn timer (T M a ) has elapsed a preset half-turn time (ta).
Return to 01. Since this half-turn time (ta) is set to the time required for the blow-off duct (16) to make a half-turn as described above, the position signal is output within the half-turn time (ta) under normal conditions.

Therefore, to explain the case where the blow-off duct (16) rotates counterclockwise and reaches the left end, only the second limit switch (7b) contacts the second protrusion (63) and outputs a position signal at this left end, so the step 5T301, 5T3 (1
2 to step 5T305, the geared motor (4
After stopping the rotation of 1), turn it around and open the air duct (16).
At the same time, the output stop timer (TMb)
is incremented, and it is determined whether the output of the second limit switch (7b) is stopped within the output stop time (tb) (steps 5T3 (16 to 5T3 (19)). This output stop time (tb) is as described above. As shown above, the time required for the protrusions (62) and (63) to separate from each limit switch (7a) and (7b) is set, so if the output stops within this time (tb), the output stop timer (TMb) is set. ) and the half-turn timer (TMa) to perform normal processing, and then proceed to step 5T408 and the like.

Subsequently, when the blow-off duct (16) reaches the right end within the half rotation time (ta), both limit switches (7a), (
7b) outputs a position signal, so step 5T301
Then, the process moves from 5T313 to step 5T314, where the rotation of the geared motor (41) is stopped and at the same time it is reversed, and after starting counterclockwise rotation, the output stop timer (TMb) is incremented in the same way as when starting clockwise rotation, and the output stop time is set. When the outputs of both limit switches (7a) and (7b) stop within (tb), the output stop timer (TMb) and half rotation timer (T M a ) are reset to perform normal processing (step 5T215-5T319 and 5T311
, 5T312).

This operation is repeated to swing the blow-off duct (16) left and right.

On the other hand, during the neck vibration operation of the above-mentioned blowout duct) (16),
Both limit switches (7a) within the above half rotation time (ta)
), (7b) does not output a position signal,
Moving from step 5T304 to step 5T320, limit switch (7a) is applied.

(7b) or starts the abnormality handling operation of the guard motor (41), moves to step 5T321, and moves to step 5T321, where the guard motor (41)
41) will be stopped and abnormality processing will be performed.

Further, if the second limit switch (7b) does not output a position signal even though the first limit switch (7a) outputs a position signal, the process moves from step 5T313 to step 5T322, and the limit switch (7a)
, starts the abnormality handling operation of (7b), and proceeds to step 5T.
The process moves to step 323, where the geared motor (41) is stopped and abnormality processing is performed. That is, in this embodiment, the left end of the blow duct (16) is the output of only the second limit switch (7b), and the right end is the output of both limit switches (7a) (7b).
), the output of only the first limit switch (7a) is not generated, so the output of only the first limit switch (7a) is used to identify one or both of the limit switches (7a), (7b). It will be determined that both are abnormal.

Furthermore, the limit switch (7a) is activated when the blowout duct (16) is at the right end or the left end within the output stop time (tb).
If the output of (7b) does not stop, step 5T30
8 or 5T317 to step 5T324, and the limit switch (7a).

(7b) or the geared motor (41) abnormality processing operation is started, and the process moves to step 5T325.
41) will be stopped and abnormality processing will be performed.

This causes each of the above limit switches (7a).

(7b) using the output signal of the limit switch (7b).
Since an abnormality in a), (7b) or the geared motor (41) can be detected, the reliability of the swing control of the blow-off duct (16) can be improved.

Then, while the automatic swinging means (75c) is configured in steps 5T301 to 5T319, steps 5T304,
In 5T320 and 5T321, the first abnormality detection means (75f
), steps 5T308, 5T317, 8th block 324, and 5T325 constitute the second abnormality detection means (75g), respectively.

Although the actual embodiment has been described with respect to a movable spot air conditioner (1), the present invention may be applied to a duct type spot air conditioner.

In addition, one human detection sensor (72) was provided to detect human movement in addition to human detection, but the air conditioner body (12)
etc., the air conditioning area may be divided into multiple sections, and each section may be monitored to detect the person to be air conditioned. By providing multiple sensors in this way, it is possible to Since it can be detected quickly, the air outlet duct (
16) can be moved instantly.

Further, the wind direction control means (75a) includes a blow-off duct (1
6) is provided rotatably in three-dimensional directions, and the blow-off duct (1
6) may be rotated in a three-dimensional direction to follow the movement of the person to be air-conditioned, and as a result, it is possible to track the person over a wide range, thereby further improving comfort.

The intermittent control means (83) also includes a fan (12f).
The fan motor (12d) may be controlled to a high rotational speed and a low rotational speed so that the rotational speed of the fan motor (12d) changes intermittently between a high rotational speed and a low rotational speed. According to this, comfort can be accurately ensured even when the air is being blown weakly.

Moreover, two or more blow-off ducts (16) may be provided, and the blow-off ducts (16) may be pivoted to the housing (15) with a pin or the like and rotated.

Moreover, an ultrasonic sensor, a pyroelectric sensor, or the like may be used as the human detection sensor (72).

[Brief explanation of the drawing]

FIG. 1(a), FIG. 1(b), FIG. 1(C), and FIG. 1(d) are block diagrams showing the configuration of the present invention, respectively. 2 to 26 show embodiments of the present invention, with FIG. 2 being a cross-sectional front view of a spot air conditioner, and FIG. 3 being a longitudinal cross-sectional side view thereof. 4 is an enlarged vertical sectional view of the duct driving means, FIG. 5 is a sectional view taken along line 1-1 in FIG. 4, FIG. 6 is a sectional view taken along line V-V in FIG. 8 is a cross-sectional view taken along the line ■--■ in FIG. 4, and FIG. 9 is a cross-sectional view taken along the line IV--IV in FIG. 4. 1st
Figure 0 is a sectional view of the human detection sensor, Figure 11 is an explanatory diagram showing the arrangement relationship between the light emitting element and the light receiving element, Figure 12 is a diagram of the propagation state of infrared rays to the specular reflector of the human detection sensor, and Figure 13.
The figure is a diagram of the propagation of infrared rays to the same inclined specular reflector, Figure 14 is a diagram of the propagation of infrared rays to the same clothing, and Figure 1 is a diagram of the propagation of infrared rays to the same clothing.
FIG. 5 is a diagram showing the state of propagation of infrared rays to the moving clothing. Figure 16 is a control block diagram of a spot air conditioner, Figure 17 is a control block diagram of a spot air conditioner.
The figure is a detailed circuit diagram of the same. FIG. 18 is a control flow diagram showing signal processing of the human detection sensor, and FIG. 19 is an output timing diagram of the same signal. FIG. 20, FIG. 21, FIG. 22, FIG. 23, FIG. 24, FIG. 25, and FIG. 26 are control flow diagrams showing the air conditioning process of the spot air conditioner. (1) Spot air conditioner, (2) Duct drive means, (4) Drive mechanism, (5) Rotating mechanism, (7), (7a), (7b). ...Limit switch, (8)...Air conditioning control means, (12)...
Air conditioner body, (12a) - = compressor, (12e), (1
2f)...Fan, (12d)...Fan motor,
(16)...Blowout duct, (41)...Gard motor, (72)...Person detection sensor, (75)-CPU
, (75a)...Wind direction control means, (75b)...Fixed control means, (75c)...Automatic swing means, (75d
)...Air conditioning stop means, (75e)...System stop means, (75f)...First abnormality detection means, (75g)
...Second abnormality detection means, (75h)...Person detection and discrimination means, (751)...Person movement discrimination means, (75j).
・・Short-term standby means, (75k) ・・Person search means, (7
51i)...Long-term standby means, (75m)...Drive delay means, (75n)...Duct stop means, (76)...
...Mode selection switch, (83)...Intermittent control circuit, (84)...Energy saving switch, (H2), (H2)
... Light emitting element, (J) ... Light receiving element. Fig. 11 Fig. ○ Fig. J Fig. 14 Fig. 15 Fig. 13 Fig. 19

Claims (30)

[Claims] (1) an air conditioner body (12) that sucks indoor air and generates conditioned air; and an air conditioner body (12) rotatably attached to the air conditioner body (12);
A blowout duct (16) for blowing out the conditioned air; a duct driving means (2) for rotating the blowout duct (16) relative to the air conditioner body (12) to change the blowing direction; a person detection means (72) for detecting a person to be air-conditioned in an air-conditioned area; and a person detection means (72) for causing the air outlet duct (16) to move in the direction of the person to be air-conditioned in response to a person detection signal outputted by the person detection means (72). wind direction control means (for controlling the duct drive means (2) to
75a) A spot air conditioner characterized by comprising: (2) In the spot air conditioner according to claim (1), the person detection means (72) is composed of one person detection sensor that scans the air conditioning area to detect the person to be air conditioned. Spot air conditioner. (3) In the spot air conditioner according to claim (1), the person detection means (72) divides the air conditioning area into a plurality of areas, monitors each division, and detects each person to be air conditioned. A spot air conditioner characterized by being composed of sensors. (4) In the spot air conditioner according to claim (1), the person detection means (72) is a person who discriminates and detects the presence of the person to be air-conditioned in a flat detection area against a background having a predetermined amount of infrared rays. A detection device, wherein each of the detection areas has a predetermined emission direction angle (±θ_
H), (±θ_H), and each emission direction angle (
A pair of light emitting means (H_1) and (H_2) that are arranged at a predetermined opening angle from each other so that the ±θ_H) and (±θ_H) regions do not overlap, and alternately emit infrared rays; both light emitting means in the detection area; (H_1), (H_2
), each light emitting means (H_1), (H_2)
It has a predetermined light reception direction angle (±θ_J) that partially overlaps with the light emission direction angle (±θ_H) and (±θ_H) area of , and receives the reflected infrared light emitted from the light emitting means (H_1) and (H_2). A single light receiving means (J), and receiving the output of the light receiving means (J), each light emitting means (H_
1) A spot air conditioner characterized in that it is equipped with a human detection determination means (75h) that outputs a human detection signal when the amount of reflection of infrared rays emitted from (H_2) is equal to or more than a set value. (5) An air conditioner main body (12) that sucks indoor air and generates conditioned air; an air conditioning control means (8) that controls the air conditioning operation of the air conditioner main body (12); A blow-off duct (16) that is movably attached and blows out the conditioned air; and a duct driving means (that rotates the blow-off duct (16) with respect to the air conditioner main body (12) to change the blow-out direction. 2) Detecting a person to be air-conditioned in an air-conditioned area to be conditioned by the conditioned air, outputting a person detection signal when detected, and outputting a person-undetected signal when not detected, and identifying movement of the person to be air-conditioned. A person detection means (72) that outputs a movement signal by
), and in response to a person detection signal and a movement signal from the person detection means (72), the blow-off duct (16) follows the movement of the person to be air-conditioned and moves in the direction of the person to be air-conditioned. Wind direction control means (75a) for controlling the duct drive means (2)
A spot air conditioner characterized by comprising: (6) In the spot air conditioner according to claim (5), the person detection means (72) is a person who discriminates and detects the presence of the person to be air-conditioned in a flat detection area against a background having a predetermined amount of infrared rays. A detection device, wherein each of the detection areas has a predetermined emission direction angle (±θ_
H), (±θ_H), and each emission direction angle (
A pair of light emitting means (H_1) and (H_2) that are arranged at a predetermined opening angle from each other so that the ±θ_H) and (±θ_H) regions do not overlap, and alternately emit infrared rays; both light emitting means in the detection area; (H_1), (H_2
), each light emitting means (H_1), (H_2)
It has a predetermined light reception direction angle (±θ_J) that partially overlaps with the light emission direction angle (±θ_H) and (±θ_H) area of , and receives the reflected infrared light emitted from the light emitting means (H_1) and (H_2). A single light receiving means (J), and receiving the output of the light receiving means (J), each light emitting means (H_
When the reflection amount of infrared rays emitted from 1) and (H_2) are both above the set value, a human detection signal is sent to each light emitting means (H_2).
1) Human detection determination means (75h) that outputs a human non-detection signal when both of the reflected amounts of infrared rays emitted from (H_2) are below a set value, and when either one is below a set value.
After receiving the human detection signal from the human detection and discrimination means (31), when only the amount of reflected infrared rays emitted from one of the light emitting means (H_1 or H_2) becomes lower than the set value, the air conditioner the other light emitting means (H_2 or H_
1) Person movement determining means (75i
) and a spot air conditioner. (7) In the spot air conditioner according to claim (1) or (5), the person detection means (72) is arranged in the air outlet duct (
16) A spot air conditioner characterized by being provided at the tip of the air conditioner. (8) In the spot air conditioner according to claim (5), the wind direction control means (75a) is connected to the air outlet duct (16).
The duct driving means (2) is configured to control the duct driving means (2) so that the blow-out duct (16) moves toward the person to be air-conditioned within an air-conditioning area within a preset angle around the attachment point of the air-conditioning area. A spot air conditioner characterized by: (9) In the spot air conditioner according to claim (5), the wind direction control means (75a) is connected to the outlet duct (16).
A spot air conditioner characterized in that the spot air conditioner is configured to control a duct driving means (2) so as to move in a three-dimensional direction toward a person to be air-conditioned. (10) In the spot air conditioner according to claim (5), when the movement signal from the person detection means (72) is received, the predetermined time (t_
1) A spot air conditioner characterized by comprising a drive delay means (75m) that outputs the movement signal to the wind direction control means (75a) after the elapse of time. (11) In the spot air conditioner according to claim (5), the counting means (TM7) counts the predetermined time (t_7) based on the output of the human detection signal of the human detecting means (72); and the coefficient means (TH7) If the person detection means (72) continues to output the person detection signal until the predetermined time (t_7) is counted, the rotation speed of the fan (12f) that blows out the conditioned air will be intermittently after the predetermined time (t_7) has elapsed. intermittent control means (12d) for controlling the fan drive means (12d) such that the
83) A spot air conditioner characterized by comprising: (12) In the spot air conditioner according to claim (11), the intermittent control means (83) includes the human detection means (72).
) A spot air conditioner configured to be reset by a moving signal and a no-person detection signal. (13) In the spot air conditioner according to claim (11) or (12), the intermittent control means (83) is configured to intermittently control the power supplied to the fan drive means (12d). Spot air conditioner. (14) In the spot air conditioner according to claim (11) or (12), the intermittent control means (83) causes the rotation speed of the fan (12f) to intermittently change between a high rotation speed and a low rotation speed. A spot air conditioner characterized in that the fan drive means (12d) is configured to be controlled to a high rotation drive and a low rotation drive. (15) In the spot air conditioner according to claim (5), a blowout duct (16) is provided corresponding to an end of the air conditioning area.
a position detection means (7) for detecting a rotation restriction position of the air conditioner, and a position detection means (7) for detecting a rotation restriction position of the person; a duct stopping means (75n) for controlling the duct driving means (2) so as to stop the blowing duct (16) at a rotation restriction position when the air blowing duct (16) is moved to a rotation restriction position. (16) In the spot air conditioner according to claim (5), the human detection means (72) responds to the human non-detection signal outputted after outputting the human detection signal to perform a predetermined air conditioning operation state before outputting the human non-detection signal. A spot air conditioner characterized by comprising short-term standby means (75j) for controlling the air conditioning control means (8) to standby for a time (t_2). (17) In the spot air conditioner according to claim (16), when the standby time (t_2) set by the short-term standby means (75j) elapses without the person detection means (72) detecting the person, the person detection means ( 72) A long-term control in which the air conditioning control means (8) and the duct driving means (2) are controlled so as to stop the air conditioning operation and the duct moving operation and wait for a predetermined time (t_3) in a state where they can be automatically reset by a human detection signal. A spot air conditioner characterized by being equipped with a standby means (75l). (18) In the spot air conditioner according to claim (17), the long-term standby means (75l) includes the human detection means (75l).
2) waits for a preset waiting time (t_3) without detecting a person.
), the spot air conditioner is configured to shut down the air conditioning control means (8) to a state where the air conditioning operation cannot be automatically restored. (19) In the spot air conditioner according to claim (17), the long-term standby means (75l) includes a blow-off duct (1
6) is configured to control the duct drive means (2) so as to stop at the center of the air conditioning area and stand by. (20) In the spot air conditioner according to claim (5), the person detection means (72) is caused to scan within the air conditioning area in response to the person non-detection signal of the person detection means (72) to search for the person to be air conditioned. A spot air conditioner characterized by being equipped with a person search means (75k). (21) In the spot air conditioner according to claim (20), the person search means (75k) includes an air outlet duct (16
) to automatically swing within the air-conditioned area, and the person detection means (72) attached to the tip of the blow-off duct (16) scans the air-conditioned area. A spot air conditioner characterized by comprising: (22) In the spot air conditioner according to claim (20), the person search means (75k) is the person detection means (72).
A spot air conditioner characterized in that the spot air conditioner is configured to search for a person to be air conditioned in an air conditioner operating state before outputting a human non-detection signal. (23) In the spot air conditioner according to claim (5), mode switching means (76) manually switches the control mode of the blow-off duct (16) between a fixed mode, an automatic swing mode, and a person tracking mode; When set to the fixed mode by the position detection means (7) which detects the rotation restriction positions at both ends of the blow-off duct (16) and outputs a position signal at each rotation restriction position, and the mode switching means (76), When the automatic oscillation mode is set by the fixed control means (75b) that controls the duct driving means (2) to maintain the blow-off duct (16) in a fixed state, and the mode switching means (76), The position detection means (7)
) is provided with automatic swinging means (75c) for controlling the duct driving means (2) so that the blow-off duct (16) is rotated in a reciprocating manner by reversing the blow-off duct (16) according to a position signal from the wind direction. The control means (75a) is the mode switching means (76).
When set to person tracking mode, the duct drive means (
2) A spot air conditioner configured to perform human tracking control. (24) In the spot air conditioner according to claim (23), the human detection means (72) is set in advance without detecting a person when the mode switching means (76) outputs the fixed mode signal and the automatic swing mode signal. Air conditioning operation time (t_5)
air-conditioning stop means (75d) for controlling the air-conditioning control means (8) so as to stop the air-conditioning operation in a state where it can be automatically restored by the human detection signal of the human detection means (72) when the time period has elapsed;
A spot air conditioner characterized by being equipped with. (25) In the spot air conditioner according to claim (24), after the air conditioning stop means (75d) outputs a stop signal, the preset air conditioning stop time (t_6) elapses without the human detection means (72) detecting a person. The spot air conditioner is characterized in that the spot air conditioner is equipped with a system stop means (75e) that controls the air conditioning control means (8) so that the system shuts down to a state where the air conditioning operation cannot be automatically restored. (26) The spot air conditioner according to claim (24), further comprising automatic stop switching means (84) for controlling on/off of the air conditioning stop means (75d). (27) In the spot air conditioner according to claim (5), the position detecting means (7) detects rotation restriction positions at both ends of the blow-off duct (16) and outputs a position signal at each rotation restriction position; automatic swinging means (75c) for controlling the duct drive means (2) so that the blow-off duct (16) reciprocates in response to a position signal from the position detection means (7); and a control mode of the blow-off duct (16). At least the automatic swinging means (75c) is switched manually between the automatic swinging mode and the person tracking mode, and the automatic swinging means (75c) is switched in the automatic swinging mode.
A mode switching means (76) for operating the wind direction control means (75a) in the person tracking mode, and a mode switching means (76) for operating the wind direction control means (75a) in the automatic swing mode, and a mode switching means (76) for rotating the blow-off duct (16) from one rotation restriction position to the other rotation restriction position in the automatic swing mode. The half rotation time (ta) required for the above-mentioned blow-off duct (
16) half-turn counting means (TMa) for counting the half-turn time; and the half-turn counting means (TMa) counting the half-turn time (ta).
If the position detecting means (7) does not output the next position signal by the time it counts the first abnormality detecting means (7), it performs abnormality processing.
5f). (28) In the spot air conditioner according to claim (5), the position detection means (7) detects rotation restriction positions at both ends of the blow-off duct (16) and outputs a position signal at each rotation restriction position; automatic swinging means (75c) for controlling the duct drive means (2) so that the blow-off duct (16) reciprocates in response to a position signal from the position detection means (7); and a control mode of the blow-off duct (16). At least the automatic swinging means (75c) is switched manually between the automatic swinging mode and the person tracking mode, and the automatic swinging means (75c) is switched in the automatic swinging mode.
Mode switching means (76) that operates the wind direction control means (75a) in the person tracking mode; and After the position signal of the position detection means (7) is output in the automatic swing mode, the position signal output is sent to the blowout duct (16). Output stop time (tb) required to stop due to rotation of
is set in advance, and upon receiving a position signal from the position detecting means (7), output stop counting means (TMb) counts the output time of the position signal; and the position detecting means (7) receives the position signal. A spot air conditioner characterized in that it is equipped with a second abnormality detection means (75g) that performs abnormality processing when at least the output stop counting means (TMb) counts a predetermined output stop time (tb) while outputting. (29) In the spot air conditioner according to claim (27), the output stop required after the position signal of the position detection means (7) is output until the position signal output is stopped by rotation of the blow-off duct (16). output stop counting means (TMb) for counting the output time of the position signal upon receiving the position signal from the position detection means (7), the time (tb) being set in advance; The second abnormality detection means (75g) performs abnormality processing when at least the output stop counting means (TMb) counts a predetermined output stop time (tb) while outputting a position signal. Spot air conditioner. (30) In the spot air conditioner according to claim (27) or (28), the first abnormality detection means (75f) and the second abnormality detection means (75g) are configured to stop the driving of the duct drive means (2). A spot air conditioner characterized by comprising: