JPH04297740A - Air conditioner - Google Patents

Abstract

PURPOSE:To obtain an air conditioner which performs an efficient air conditioning by dividing air conditioning regions for temperature distribution depending on the case in which the distribution of people in a room is even and when it is not even. CONSTITUTION:The title air conditioner is constituted by providing air direction changing boards 1a, 1b at air outlet 14a, 14b so that blown out jetted air from the air outlets 14a, 14b are blown out in such a manner that they are confronted and collided to each other, air direction change control means 8a, 8b which control the air direction changing boards 1a, 1b, and air speed control means 17a, 17b which control the quantity or speed of the air to be blown out.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction changing control device for an air conditioner installed in a ceiling.

0002

[Prior Art] FIGS. 5 and 6 are, for example, Japanese Patent Application Laid-Open No. 64-795.
It is a perspective view showing a conventional air conditioner shown in Publication No. 33, and in the figure, 1a and 1b are wing-shaped wind direction changing plates, which are driven by stepping motors 2a and 2b. Reference numeral 3 denotes a detecting section, which is attached in different directions and is made up of a detecting means A3a having a directivity toward the region A and a detecting means B3b having a directivity toward the region B.

FIG. 7 is a control block diagram of this control device, in which 3 is a detection means, 4 is an amplification means, and consists of an amplifier 4a and an oscillator 4b. 5 is a comparison means, a filter 6,
It is composed of a reference value comparing means 5a and a magnitude comparing means 5b. 7 is a determining means, and 8a and 8b are control means for the wind direction changing plates 1a and 1b using stepping motors 2a and 2b.

Next, the operation will be explained. Detection means A3
Infrared rays are detected from the human body at a and B3b, amplified by the amplification means 4, and outputted to the comparison means 5. Next, the presence or absence of a person is determined by the reference value comparing means 5a based on the signal passed through the filter 6. Here, a standard value equivalent to one human body is determined by the determining means 7, and if the standard value is not satisfied, air is blown horizontally along the ceiling during cooling, and vertically toward the floor during heating. A signal is output to the control means 8a, 8b of the wind direction changing plates 1a, 1b so that the air blows out in the specified direction, and the wind direction changing plates 1a, 1b are driven in a predetermined direction. If the reference value is satisfied, the magnitude comparison means 5b performs a magnitude comparison.

[0005]

[Problems to be solved by the invention] Conventional air conditioners are
If there are the same number of people in both areas A and B in the room, the airflow will be as shown by the arrows in Figures 8 and 9, and it will be difficult for the wind to reach the areas indicated by diagonal lines, making it difficult for air conditioning to occur. There was a problem with the area. Furthermore, as the air conditioning floor area increases, there is a problem in that the start-up time and energy of the air conditioner increase in areas where people are present, and the comfort decreases, making it impossible to obtain the expected effects.

[0006] This invention was made to solve the above problems, and when the distribution of people in the room is uniform, air conditioning with high temperature uniformity can be realized, and the distribution of people in the room can be evenly distributed. To obtain an efficient air conditioner by dividing a room into a plurality of regions and preventing each region from being influenced by other regions when there is a bias in the air conditioner.

[0007]

[Means for Solving the Problems] The air conditioner of the present invention includes a wind direction changing plate provided at the air outlet so that the air jets are blown out from the air outlet at a predetermined angle in directions that oppose and collide with each other; Wind direction change control means for controlling the change plate;
A wind speed control means is provided to control the amount or speed of air blown out.

[0008]

[Operation] The air conditioner according to the present invention causes the air blowing from a plurality of outlets to collide with each other to act as air curtains for opposing areas, thereby preventing each area from being influenced by other areas. Efficiently air condition the air.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, 9a and 9b are first and second air conditioner units, which include blowers 10a and 10b and a heat exchanger 1.
1a and 11b, each side wall 12 facing the chamber.
a, 12b, first and second air suction ports 13a, 13b, wing-shaped wind direction changing plates 1a, 1b driven by a stepping motor (not shown), and detection means A3a,
First and second air outlets 14a equipped with detection means B3b
, 14b are provided. 15a and 15b are the first and second
The suction port area is adjusted by first and second suction port opening/closing means provided in the air suction ports 13a and 13b. . 16a, 1
6b is the first and second air conditioner unit 9a, 9b.
and the first and second air suction ports 13a, 13b are connected to each other by a third duct 17 within the ceiling.

[0010] The detection means A3a and B3b both have directivity and are mounted in different directions,
The detection means A3a is configured to detect infrared rays in the region A, and the detection means B3b maintains strong detection sensitivity for the infrared rays in the region B.

FIG. 2 is a circuit block diagram of this control device.
, B includes a detection means A3a and a detection means B3b. Reference numeral 4 denotes an amplifying means, which is composed of an amplifier 4a and an oscillator 4b for operating the amplifier 4a. Reference numeral 5 denotes comparison means, which includes a filter 6, this filter 6, and a third signal line 6.
a, a reference value comparing means 5a and a magnitude comparing means 5b connected by a fourth signal line 6b. 7 is a determination means for determining the signals of the reference value comparison means 5a and the magnitude comparison means 5b; 8a and 8b are control means for the wind direction changing plates 1a and 1b equipped with stepping motors 2a and 2b;
15a and 15b are suction opening/closing means provided at the air suction ports 13a and 13b; 18a and 18b are wind speed control means;
A and 15b are connected to receive a signal from the determining means 7.

Next, the operation will be explained. FIG. 3 is a control flowchart of the present invention, in which in step 1 the detection means A3a
, the detection means B3b detects infrared rays emitted from a human body or office equipment in the room. Then, in step 2, the signal is amplified by the amplification means 4 and the signal is amplified by the first signal line 4c.
and is output to the comparison means 5 via the second signal line 4d. Then, in step 3, the signal is passed through a filter 6 that time-averages sudden changes in environments where people come and go from offices, stores, etc. and where there is a lot of movement. is output to. Next, in step 4, the a reference value comparing means 5a detects the presence or absence of people, office equipment, etc. by comparing it with a reference value.

If both the signals from the third signal line 6a and the fourth signal line 6b from the filter 6 input in step 4 do not satisfy the reference value, the process proceeds to route 1, and the outflow winds are opposed to each other. A wind direction changing plate control means 8a so as to blow out air at the same blowing angle and strength as previously set in the direction;
A signal is issued to 8b. Then, in step 41, both the first and second units 9a and 9b are adjusted so that they blow at the same preset angle. Next, step 4
In Step 2, the air volume and wind speed are controlled so that both the first and second units 9a and 9b have weak wind, and in Step 43, the suction area is controlled so that both the first and second air suction ports 13a and 13b are fully open. do.

Furthermore, if either or both of the signals from the third signal line 6a and the fourth signal line 6b output from the filter 6 satisfy the reference value in step 4, the amplified signal in step 5 is If the signal on the third signal line 6a is larger than the signal on the fourth signal line 6b, the process proceeds to route 2, and in step 51, the signal on the third signal line 6a is larger than the signal on the fourth signal line 6b.
The unit 9a is placed at a deep angle toward the floor, and the second unit 9a is placed at a deep angle toward the floor.
b is controlled to blow at a shallow angle, and the air volume and speed are
The unit 9a is blown out by a strong wind, and the second unit 9b is blown out by a weak wind, so that it collides with the side of the first unit 9a. Then, a signal is output to the first air inlet opening/closing means 15a, the first air inlet 13a is fully opened, and the second air inlet 13b is connected to the signal on the third signal line 6a and the fourth signal line 6b.
The area is controlled to be the area determined by the difference from the signal.

Further, the magnitude comparing means 5b for comparing the amplified signals in step 5 compares the signal on the third signal line 6a and the signal on the fourth signal line 6b, and the signal on the fourth signal line 6b is compared with the signal on the third signal line 6b.
If it is larger than the signal line 6a, proceed to route 3, and in step 54, the wind direction is changed by the wind direction changing plate control means 8a, 8b so that the second unit 9b blows out at a deep angle toward the floor, and the first unit 9a blows out at a shallow angle. Change plates 1a, 1b
control. Then, in step 55, the second unit 9
b is a strong wind, and the first unit 9a is a weak wind, which is controlled by the air volume/wind speed control means 18a and 18b, so that the air blown from the first unit 9a collides with the side of the air blown from the second unit 9b. do. And in step 56,
The second air suction port 13b is fully opened, and the first air suction port 13
The area is controlled by the first and second suction port opening/closing means 15a, 15b so that a becomes an area determined by the difference between the signal on the third signal line 6a and the signal on the fourth signal line 6b.

Furthermore, if the signal on the third signal line 6a and the signal on the fourth signal line 6b, which are compared by the magnitude comparison means 5b in step 5, are equal, the process proceeds to route 4, and in step 57, the signal on the first Unit 9a, second unit 9
The wind direction changing plates 1a and 1b are controlled by the control means 8a and 8b so that the wind blows out at the same preset angle for both winds. Next, in step 58, the air volume/wind speed control means 18a, 18b are set so that the first unit 9a and the second unit 9b have strong winds.
In step 59, the first air suction port 13a,
The suction area is controlled by the first and second suction port opening/closing means 15a, 15b so that the second air suction port 13b is both fully opened.

Note that in the above embodiment, the wall surfaces 12a, 12b
Although the air suction ports 13a and 13b were provided by opening the
A duct 16 provided with a plurality of suction ports 13c as shown in FIG.
A similar effect can be obtained by installing the wall 12c on the wall surfaces 12a and 12b.

Further, more effective air conditioning can be achieved by interlocking a plurality of suction port opening/closing means and controlling the suction port to be opened depending on the magnitude of the load in each area and the difference in air conditioning/heating.

Furthermore, if the distribution of people or office equipment is different in the two areas A and B, the efficiency of the air conditioning can be improved by changing the temperature, such as using one side for heating and the other for blowing air, depending on the conditions. energy efficiency and energy savings.

[0020]

As described above, according to the present invention, a plurality of air conditioner outlets are provided on the ceiling of the same room, and air inlets are provided on the opposite wall of the same room. It is composed of a wind direction changing plate that blows out the jets of air from the outlet at a predetermined angle in directions that oppose and collide with each other, a control means that controls this wind direction changing plate, and a wind speed control means that controls the amount or speed of the air blown out. , it is possible to efficiently air condition a specific divided area of the room without being affected by other areas, and even when the entire room is air-conditioned to the same degree.
This has the effect of making temperature distribution uniform.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an air conditioner according to an embodiment of the present invention.

FIG. 2 is a block diagram of the control device of FIG. 1;

FIG. 3 is a flowchart explaining the control operation of FIG. 2;

FIG. 4 is a perspective view showing another embodiment of the invention.

FIG. 5 is a perspective view showing a conventional air conditioner.

FIG. 6 is an explanatory diagram showing an air conditioning area of a conventional air conditioner.

FIG. 7 is a block diagram of the control device of FIG. 5;

8 is a front view illustrating the air conditioning area of FIG. 6. FIG.

9 is a plan view illustrating the air conditioning area of FIG. 6. FIG.

[Explanation of symbols]

1a, 1b Wind direction change board 8a, 8b Wind direction change plate control means 12a, 12b Wall surface 13a, 13b Air intake port 14a, 14b Air outlet 18a, 18b Wind speed control means

Claims (1)

[Claims] Claim 1: In a ceiling-embedded air conditioner in which a plurality of air conditioners are installed in the ceiling, each air outlet of the air conditioner is located on the ceiling of the same room, and each air conditioner is located on the opposite wall of the same room. an air outlet, a wind direction changing plate provided at each air outlet so that the air jets are blown out from these air outlets at a predetermined angle in directions that oppose and collide with each other; and a wind direction changing plate control for controlling the air direction changing plate. and a wind speed control means for controlling the volume or speed of the air blown out, each of which is individually divided into a plurality of areas in the room by the blown air controlled by the wind direction change control means and the wind speed control means. An air conditioner characterized by air conditioning.