JP2009036411A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of generating lot of ions without reducing the airflow rate even when an ion generator is provided on the upstream side of the air outlet of the air cleaning device. <P>SOLUTION: The air conditioner is equipped with a centrifugal air blower 3 comprising an air flow path 11a formed in the main body 11 in communication with the air inlet 1 and the air outlet 2, an air filter 4 provided in the flow path 11a, an electrostatic atomizer 6, and a casing 5. The flow path 11a on the upstream side of the air outlet 2 is formed with flat side plate 5a constituting the casing 5 and an electrostatic atomizer 6 is disposed on the side end along the flow path 11a. This can save a space to form an air trunk in the main body 11 and make the air flow smooth in the flow path 11a. This can provide an air conditioner capable of fully performing the electrostatic atomizing function by suppressing the reduction in the air flow rate even when an electrostatic atomizer 6 is provided in the flow path 11a. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an air conditioner including an electrostatic atomizer.

Conventionally, an electrostatic atomizer is known as an example of this type of air conditioner (see, for example, Patent Document 1).
Hereinafter, the electrostatic atomizer will be described with reference to FIGS. 11 and 12.
As shown in the figure, the main body case 101 is formed by connecting the mist generating case 102 and the air blowing / radiating case 103 in communication, and the heat exchanging portion 105 is fitted in the heat exchanging portion arrangement port 104 to thereby form the heat exchanging portion. A cooling unit 107 is connected to the heat absorption side of the Peltier element 106, and a fin-shaped heat dissipation unit 108 is connected to the heat dissipation side of the Peltier element 106.
Further, the heat radiating portion 108 of the heat exchanging portion 105 is located in the air blowing / heat radiating case 103, and the cooling portion 107 is located in the mist generating case 102. In the mist generating case 102, the base 109 is raised in the shape of a truncated cone at the center of the cooling unit 107, the base end 111 of the discharge electrode 110 is embedded in the base 109, and the discharge electrode 110 is placed on the cooling unit 107. It is configured to stand upright.
JP 2005-296653 A ((0016)), (0017), FIG. 1, FIG. 2)

  In such a conventional electrostatic atomizer, when an electrostatic atomizer is provided on the upstream side of the air outlet in combination with an air conditioner having a large air flow such as an air cleaner or an air conditioner, There is a problem that the electric atomizer becomes air resistance, the amount of blown air is reduced, and air conditioned air cannot be circulated widely in the room, and the electrostatic atomizer is affected by the wind speed and blown out from the outlet. There has been a problem that the amount of generated ionized fine water droplets is reduced.

  The present invention solves such a conventional problem, and even when an electrostatic atomizer is provided on the upstream side of the air outlet of the air conditioner, without reducing the amount of air blown from the air outlet, Another object of the present invention is to provide an air conditioner that can sufficiently generate ionized fine water droplets without impairing the electrostatic atomization function.

An air conditioner according to a first aspect of the present invention includes an air flow path formed in the main body through communication between the suction port and the air outlet, an air cleaning means provided in the air flow path, an electrostatic atomizer, and A centrifugal blower provided with a casing, and the air flow path upstream of the air outlet is formed by a flat side plate constituting the casing, and the electrostatic atomization is performed at a side end along the air flow path. The device is arranged.
According to a second aspect of the present invention, in the air conditioner according to the first aspect, the electrostatic atomizer includes a discharge electrode to which a high voltage is applied, and a counter electrode provided to face the discharge electrode. The Peltier element is provided with a cooling part for cooling the discharge electrode and a heat dissipating part attached to the heat generating side, and the heat dissipating part is arranged in a casing of the centrifugal blower.
According to a third aspect of the present invention, there is provided the air conditioner according to the first or second aspect, wherein the heat dissipating air path for cooling the heat dissipating part of the electrostatic atomizer and the atomizing air path for generating negative ions are provided. Is formed by an enveloping rib installed on the flat side plate of the casing and a cover portion that closes an opening range of the encircling rib.
According to a fourth aspect of the present invention, there is provided the air conditioner according to the third aspect, wherein the heat radiating air passage is provided with an opening portion and a small opening provided on the flat side plate so as to sandwich the heat radiating portion of the electrostatic atomizer. The small opening is provided on the downstream side of the casing from the opening, and is formed on the back side of the protruding portion protruding to the inside of the casing.
According to a fifth aspect of the present invention, in the air conditioner according to the fourth aspect, a humidifying means is provided on the downstream side of the centrifugal blower and on the upstream side of the electrostatic atomizer.
According to a sixth aspect of the present invention, in the air conditioner according to the third aspect, a ventilation opening is provided on a side of the discharge electrode in the atomizing air passage, and the ventilation opening is attached to the counter electrode. It is formed between the part and the Peltier element.
According to a seventh aspect of the present invention, in the air conditioner according to the sixth aspect, the angle formed by the protruding direction of the discharge electrode and the airflow direction of the air flow path is substantially perpendicular, and the discharge electrode is It is provided at a rear position of the ion opening facing the air flow path, and is ventilated from the ventilation opening provided in the electrostatic atomizer to the air flow path through the ion opening.
According to an eighth aspect of the present invention, in the air conditioner according to the seventh aspect, the case portion that closes the electrostatic atomizer includes the ion opening portion that opens in a direction orthogonal to the air flow path. In addition, a continuous flat portion provided around the ion opening is formed facing the air flow path.
According to a ninth aspect of the present invention, there is provided the air conditioner according to the third or sixth to eighth aspects, wherein the atomizing air passage is formed from the lower-end notch provided in the surrounding rib. A wind path through the device to the ion opening, wherein the atomization wind path changes direction from the side of the electrostatic atomizer at least to the direction of the ion opening, and further from the ion opening. Reversely changes along the air flow path.
According to a tenth aspect of the present invention, there is provided the air conditioner according to the ninth aspect, wherein the atomizing air passage has a chamber portion that gradually expands from the lower end notch portion having a small area upstream of the electrostatic atomizer. The chamber portion is guided so that negative ions are sucked into the air flow path through the ion opening.
The present invention according to claim 11 is the air conditioner according to claim 1 to claim 3 or claim 6 to claim 10, wherein the electrostatic atomizer is arranged on a center line of a cross section of the air flow path. The discharge electrode is arranged.
According to a twelfth aspect of the present invention, in the air conditioner according to any one of the first to eleventh aspects, a constricted portion is provided in the middle of the air flow path along the casing up to the air outlet, and the constricted portion The above-described electrostatic atomizer is provided.
By these means, even when an electrostatic atomizer is provided on the upstream side of the air outlet of the main body, the fine ionized without reducing the amount of air blown from the air outlet and without impairing the electrostatic atomization function. An air conditioner capable of sufficiently generating water droplets can be obtained.

According to the present invention, the air passage can be formed in a space-saving manner in the main body, the air passage is smoothly ventilated, and even if there is an electrostatic atomizer in the air passage, the reduction in the air flow rate can be suppressed. An air conditioner that can be provided can be provided.
Further, the electrostatic atomizer can be provided with a Peltier element to reduce the size, and the heat dissipating part can be arranged on the outlet side of the centrifugal blower to improve the electrostatic atomization efficiency.
In addition, the atomization function of the electrostatic atomizer is stabilized by providing a heat radiation air passage and an atomization air passage that make the electrostatic atomizer independent of the main air flow path and supplying the optimum air volume to the main components. Can be demonstrated.
Further, by bypassing the flow in the centrifugal blower outside the casing and passing the air through the heat radiating section, a heat radiating air passage having a high cooling effect can be formed with a simple structure, and the electrostatic atomizer can be easily attached.
In addition, by providing a humidifying filter as a humidifying means on the upstream side of the electrostatic atomizing device, the electrostatic atomizing device can be efficiently operated even when the room is dried in winter.
In addition, by properly setting the position and size of the air vent to the discharge electrode in the atomization air passage, the atomization function can be sufficiently exerted and many ionized fine water droplets are generated. Can do.
Further, negative ions can be stably generated from the discharge electrode by suppressing the influence of the wind velocity of the air flow path, and safety can be maintained against foreign matter intrusion from the outlet.
In addition, it is possible to maintain the wind speed passing through the front and rear of the ion opening at a high speed and enhance the suction effect from the ion opening to the air flow path.
Moreover, the amount of generation of negative ions can be increased by providing a direction change of a right angle or more in the atomizing air path and greatly reducing the wind speed and the air volume.
Moreover, the generation amount of negative ions can be increased by providing a chamber part in which the path gradually spreads in the atomizing air path and greatly reducing the wind speed and the air volume.
Further, negative ions can be prevented from being adsorbed on the wall surface of the air flow path as much as possible, thereby preventing a decrease in the amount of negative ions generated from the outlet.
In addition, the wind speed increases at the constricted part, and negative ions are easily attracted from the ion opening part to the air flow path, the air path on the downstream side of the constricted part becomes wider, the wind speed decreases, and the noise value from the outlet is reduced. it can.

An air conditioner according to a first embodiment of the present invention includes an air passage formed in a main body by communicating an inlet and an outlet, an air cleaning means provided in the air passage, and an electrostatic atomizer And the air flow path on the upstream side of the air outlet is formed by a flat side plate constituting the casing, and the electrostatic atomizer is disposed at a side end along the air flow path. It is arranged. According to the present embodiment, since the air flow path is formed along the plane side plate of the casing on the upstream side of the air outlet, the air path can be saved in the main body by effectively using the plane side plate of the casing. Since the air flow path without irregularities is formed, the ventilation is performed smoothly, and the electrostatic atomizer is arranged at the side end along the air flow path, so the ventilation resistance is reduced and the air outlet is reduced. The reduction in the amount of air blown from can be suppressed.
According to a second embodiment of the present invention, in the air conditioner according to the first embodiment, the electrostatic atomizer includes a discharge electrode to which a high voltage is applied, and a counter electrode provided to face the discharge electrode. And a Peltier element 12 provided with a cooling part for cooling the discharge electrode and a heat radiating part attached to the heat generating side, and the heat radiating part is arranged in the casing of the centrifugal blower. According to this embodiment, by using a Peltier element for the electrostatic atomizer, it is possible to cool and discharge the discharge electrode in a space-saving manner without requiring a large facility, The heat dissipating part is arranged on the blowout side of the centrifugal blower, heat exchange of the heat dissipating part is easily performed, the electrostatic atomizer can be downsized, and the electrostatic atomization efficiency is improved. Can be improved.
In the air conditioner according to the first or second embodiment, the third embodiment of the present invention is a heat radiation air path that cools the heat radiation portion of the electrostatic atomizer and an atomization air path that generates negative ions. Is formed of an encircling rib installed on the flat side plate of the casing and a cover portion that closes an opening range of the encircling rib. According to the present embodiment, by disposing the electrostatic atomizing device with the surrounding rib and the cover portion, the heat dissipating air passage and the atomizing air passage that make the electrostatic atomizing device independent from the main air flow path are provided. Since the optimum air volume can be supplied to the main parts through the heat radiating air passage and the atomizing air passage, the atomizing function of the electrostatic atomizer can be stably exhibited.
According to a fourth embodiment of the present invention, in the air conditioner according to the third embodiment, the heat radiating air path has an opening and a small opening provided to sandwich the heat radiating portion of the electrostatic atomizer on the flat side plate. The small opening portion is provided on the downstream side of the casing from the opening portion, and is formed on the back side of the protruding portion protruding to the inside of the casing. According to the present embodiment, by providing the opening and the small opening that communicate with the inside of the casing of the centrifugal blower in the surrounding rib, the heat radiating air passage that provides the air volume necessary for cooling the heat radiating portion is formed. The installation of the electrostatic atomizer can be done easily by installing the electrostatic atomizer on the outside of the casing and covering it with the cover. By keeping the small opening smaller than the upstream opening and changing the opening direction, the ventilation direction of the radiating air passage can be kept constant, allowing stable ventilation to the radiating section and maintaining cooling efficiency. Can do.
In the air conditioner according to the fourth embodiment, the fifth embodiment of the present invention is provided with a humidifying means on the downstream side of the centrifugal blower and on the upstream side of the electrostatic atomizer. According to the present embodiment, by providing a humidifying filter as a humidifying means on the upstream side of the electrostatic atomizer, moisture easily adheres to the discharge electrode from humidified high-humidity air, and the room is dried. Even in such an environment, it is possible to stably supply fine water droplets that are discharged in a stable state from the discharge electrode that is likely to condense to the counter electrode, and that are negatively ionized even in a dry state in winter.
According to a sixth embodiment of the present invention, in the air conditioner according to the third embodiment, a wall portion is provided with a ventilation hole on the side of the discharge electrode in the atomizing air passage, and the ventilation hole is attached to the counter electrode. And a Peltier element. According to the present embodiment, the position and size of the air vent leading to the discharge electrode provided in the atomizing air path are appropriately provided in correspondence with the discharge electrode and the counter electrode, so that Ventilation volume and direction can be controlled, turbulent flow in the electrostatic atomizer can be prevented with a simple configuration, and the atomization function can be demonstrated, and moisture condensed on the discharge electrode becomes fine water droplets. Since it is emitted from the tip of the discharge electrode, it is possible to generate many ionized fine water droplets by introducing the wind from the base of the discharge electrode and sending the wind toward the counter electrode.
According to a seventh embodiment of the present invention, in the air conditioner according to the sixth embodiment, an angle formed between the protruding direction of the discharge electrode and the airflow direction of the air flow path is set to a substantially right angle. It is provided at the rear position of the ion opening facing the air flow path, and is ventilated from the ventilation opening provided in the electrostatic atomization generating section to the air flow path through the ion opening. According to the present embodiment, the discharge electrode of the electrostatic atomizer is provided in the direction orthogonal to the air flow path, and is provided at the rear position of the ion opening facing the air flow path, thereby The effect of the air flow velocity in the air flow path is reduced, and an injection effect (negative pressure effect) in the direction of the air flow path can be obtained, so that negative ions can be stably generated from the discharge electrode, and the discharge electrode is connected to the outlet of the main body. Therefore, it is possible to prevent foreign matter that has entered from the air outlet from touching the discharge electrode.
According to an eighth embodiment of the present invention, in the air conditioner according to the seventh embodiment, the case portion that closes the electrostatic atomizer includes an ion opening that opens in the direction perpendicular to the air flow path. In addition, a continuous flat portion provided around the ion opening is formed facing the air flow path. According to the present embodiment, since the continuous flat portion is formed facing the air flow path, the wind speed passing through the front and back of the ion opening can be maintained at a high speed. The suction effect to the air channel side can be enhanced.
According to a ninth embodiment of the present invention, in the air conditioner according to the third or sixth to eighth embodiments, the atomizing air passage is connected to the electrostatic atomizer from the lower end notch provided in the surrounding rib. An air passage leading to the ion opening, and the atomizing air passage is changed at least to the direction of the ion opening from the side of the electrostatic atomizer, and further from the ion opening to the air flow path. The direction is changed in reverse so as to follow. According to the present embodiment, the atomization air path from the lower end notch of the surrounding rib to the ion opening through the electrostatic atomizer is bypassed from the air flow path, and the electrostatic atomizer is Since it is bent at a right angle or more just before entering, the amount of air sent to the electrostatic atomizer and the wind speed are greatly reduced, and negative ions are more likely to be generated. Since it is attracted to the road, negative ions can be discharged to the air flow path without flowing back through the atomizing air path that is the bypass air path.
According to a tenth embodiment of the present invention, in the air conditioner according to the ninth embodiment, the atomizing air path has a chamber portion that gradually spreads from a lower end notch portion having a small area on the upstream side of the electrostatic atomizer. The chamber part is guided so that negative ions are sucked into the air flow path through the ion opening part. According to the present embodiment, by providing the chamber portion in which the path is gradually widened in the atomizing air passage, the air velocity entering the electrostatic atomizer decreases, and the low air velocity air flow passes through the electrostatic fog. As a result, the negative ions generated are attracted to the air channel side through the ion openings.
In an eleventh embodiment of the present invention, in the air conditioner according to the first to third or sixth to tenth embodiments, the discharge electrode of the electrostatic atomizer on the center line of the cross section of the air flow path Is arranged. According to the present embodiment, by disposing the discharge electrode in the center of the cross section of the air flow path sandwiched between the casing and the main body case, the negative ions generated by the discharge electrode and released to the air flow path are And the main body case can be transported without any deviation in distance, and the amount of attenuation in the air flow path can be reduced, so that negative ions can be generated from the air outlet without deficiency.
In a twelfth embodiment of the present invention, in the air conditioner according to any of the first to eleventh embodiments, a constriction is provided in the middle of the air flow path along the casing up to the air outlet, and the constriction is static. An electroatomizing device is provided. According to the present embodiment, by providing the electrostatic atomizer in the constricted portion, the wind speed is increased in the constricted portion of the air flow path, and negative ions from the ion opening of the electrostatic atomizer are transferred to the air flow path. Furthermore, since the air passage on the downstream side of the constricted portion is widened, the air blowing range is widened and the wind speed is lowered, so that the noise value generated from the air outlet can be reduced.
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)

As shown in FIGS. 1-10, the air conditioner of this Embodiment is provided in the air flow path 11a which connects the suction inlet 1 and the blower outlet 2, and is formed in the main body 11, and the air flow path 11a. And an air purification filter 4 as an air purification means, an electrostatic atomizer 6 and a centrifugal blower 3 provided with a casing 5. The air flow path 11a on the upstream side of the air outlet 2 is formed by a flat side plate 5a constituting the casing 5, and the electrostatic atomizer 6 is disposed at a side end along the air flow path 11a.
The electrostatic atomizer 6 includes a discharge electrode 7 to which a high voltage is applied, a counter electrode 8 provided to face the discharge electrode 7, a cooling unit 9 for cooling the discharge electrode 8, and a heat dissipation unit 10 on the heat generation side. It consists of the Peltier element 12 provided, and the heat radiating part 10 is arranged in the casing 5 of the centrifugal blower 3.
The radiating air passage 25 for cooling the heat radiating portion 10 of the electrostatic atomizer 6 and the atomizing air passage 26 for generating fine negative ionized water droplets are the surrounding rib 13 and the surrounding rib installed on the flat side plate 5a of the casing 5. The cover part 13a which closes 13 opening ranges is formed.
The heat radiating air passage 25 includes an opening 14 and a small opening 15 provided on the flat side plate 5 a of the casing 5 so as to sandwich the heat radiating part 10 of the electrostatic atomizer 6, and the small opening 15 is formed in the casing from the opening 14. 5 is provided on the downstream side of the projection 5 and protrudes inward of the casing 5.
A vent hole 26 a is provided on the side of the discharge electrode 7 in the atomizing air path 26, and the vent hole 26 a is formed between the wall portion 8 a attached to the counter electrode 8 and the Peltier element 12.
The angle formed between the projecting direction of the discharge electrode 7 and the airflow direction of the air flow path 11a is substantially perpendicular, and the discharge electrode 7 is provided at a position behind the ion opening 26b facing the air flow path 11a. A ventilation opening 26a provided in the apparatus 6 is ventilated to the air flow path 11a through the ion opening 26b.

A cover portion 13a that closes the surrounding rib 13 from above and fixes the electrostatic atomizer 6 at a predetermined position is formed around an ion opening portion 26b that opens in an orthogonal direction of the air flow path 11a, and around the ion opening portion 26b. The provided continuous flat part 26c is formed facing the air flow path 11a.
The atomizing air passage 26 formed in the cover portion 13a changes direction from the side of the electrostatic atomizer 6 to the direction of the ion opening 26b at least at a right angle, and further from the ion opening 26b to the air flow path 11a. The direction is changed in reverse.
The atomizing air passage 26 forms a chamber portion 19 that gradually spreads from the lower end notch portion 28 having a small area on the upstream side of the electrostatic atomizer 6, and the chamber portion 19 is a fine water droplet that is negatively ionized through the ion opening 26b. Is sucked into the air flow path 11a.
Disposing the discharge electrode 7 of the electrostatic atomizer 6 substantially in the center of the cross section of the air flow path 11a, and providing a constricted portion 20 in the middle of the air flow path 11a along the casing 5 up to the blowout port 2, The electrostatic atomizer 6 is provided so as to face the constricted portion 20, and the fine water droplets that are negatively ionized easily flow through the air flow path 11a.
A humidifying filter 16 as a humidifying means is provided at the lower part of the main body 11 and is disposed in the air flow path 11a on the downstream side of the centrifugal blower 3 and on the upstream side of the electrostatic atomizer 6, and is easily dried in winter. Has the function of humidifying the room at the time.

  With the above configuration, when the operation is started, the air sucked from the suction port 1 provided on the side surface of the main body 11 by the action of the centrifugal blower 3 is passed through the air purification filter 4 serving as the air cleaning means provided on the front surface inside the main body 11. Passed and cleaned. Next, the air sucked by the centrifugal blower 3 is discharged downward, and when passing through the humidifying filter 16 as the humidifying means provided at the lower part of the main body 11, the humidity is given to become humidified air, and the casing of the centrifugal blower 3. 5 Ascends along the surface and blows out into the room through the air outlet 2. At this time, since the air flow path 11a is formed along the flat side plate 5a of the casing 5 on the upstream side of the air outlet 2, the flat side plate 5a of the casing 5 can be used effectively to save space in the main body 11. Since a path can be formed and the air flow path 11a has no irregularities, ventilation is performed smoothly. Moreover, since the electrostatic atomizer 6 is arrange | positioned at the side edge part along the air flow path 11a, the ventilation resistance can be made small and the reduction | decrease in the ventilation volume from the blower outlet 2 can be suppressed.

Moreover, as shown in FIG. 3, by using the Peltier element 12 for the electrostatic atomizer 6, the electrostatic atomizer 6 can be downsized without requiring a large facility as the electrostatic atomizer 6. The discharge electrode 7 can be cooled and condensed in a space-saving manner. Moreover, as shown in FIG. 9, the heat radiating part 10 will be arrange | positioned in the casing 5 of the centrifugal blower 3, heat exchange of the heat radiating part 10 will be performed easily, and the shape of the heat radiating fin 10a of the heat radiating part 10 is also small. The electrostatic atomization efficiency can be improved.
As shown in FIGS. 4 to 9, the electrostatic atomizing device 6 is surrounded by the surrounding ribs 13 and the cover portion 13a so that the electrostatic atomizing device 6 is independent from the main air flow path 11a. The passage 25 and the atomizing air passage 26 can be provided, and the optimum air volume can be supplied to the main parts through the heat radiating air passage 25 and the atomizing air passage 26, so that the atomizing function of the electrostatic atomizing device 6 is stably exhibited. can do.
Further, as shown in FIG. 9, by providing an opening 14 and a small opening 15 communicating with the inside of the casing 5 of the centrifugal blower 3 in the surrounding rib 13, an air volume necessary for cooling the heat radiating unit 10 can be obtained. The heat dissipating air passage 25 can be formed, and the heat dissipating air passage 25 can be easily formed simply by installing the electrostatic atomizer 6 outside the casing 5 and covering it with the cover portion 13a. 6 can be easily attached. In addition, the downstream small opening 15 is smaller than the upstream opening 14 and the opening direction is changed, so that the ventilation direction of the radiating air passage 25 is kept constant and the radiating section 10 is stably ventilated. And cooling efficiency can be maintained.
Further, as shown in FIG. 2, by providing a humidifying filter 16 as a humidifying means on the upstream side of the electrostatic atomizing device 6, moisture easily adheres to the discharge electrode from humidified high-humidity air. Even in a dry environment, a stable discharge is performed from the discharge electrode, which is likely to condense, to the counter electrode 8 and negative ionized fine water droplets can be stably supplied even in a dry state in winter. it can.

Further, as shown in FIG. 3 and FIG. 8, the vent hole 26 a reaching the discharge electrode 7 provided in the atomizing air passage 26 has a position and size corresponding to the discharge electrode 7 and the counter electrode 8, and a wall portion. By providing it between 8a and the Peltier element 12, it is possible to appropriately control the amount and direction of air flow from the discharge electrode 7 through the counter electrode 8, and prevent the turbulent flow with a simple configuration and the electrostatic atomization function. It can be fully exerted. That is, condensed water adheres to the discharge electrode 7 that is cooled by being connected to the Peltier element 12, and is discharged as fine water droplets from the tip of the discharge electrode 7, but is opposed to the discharge electrode 7 from the root by the vent hole 26a. An appropriate air volume can be sent out toward the electrode 8, and many fine water droplets negatively ionized can be generated from the ion opening 26b.
Moreover, as shown in FIGS. 5-7, while providing the discharge electrode 7 of the electrostatic atomizer 6 in the direction orthogonal to the air flow path 11a, it is in the back position of the ion opening part 26b which faces the air flow path 11a. By providing, the influence of the wind speed of the air flow path 11a on the discharge electrode 7 is reduced, and further, an injection effect (negative pressure effect) in the direction of the air flow path 11a is obtained. Ionized fine water droplets can be generated. In addition, since the discharge electrode 7 is positioned at a right angle to the air outlet 2 of the main body 11, it is possible to prevent foreign matter that has entered from the air outlet 2 from touching the discharge electrode 7.
Further, since the continuous flat portion 26c is formed so as to face the air flow path 11a, the wind speed passing through the front and rear of the ion opening 26b can be maintained at a high speed, so that the air flow from the ion opening 26b opening in the orthogonal direction can be maintained. The suction effect to the path 11a side can be enhanced.
Further, the atomizing air passage 26 changes direction from the side of the electrostatic atomizer 6 to the direction of the ion opening 26b at least at a right angle, and further from the ion opening 26b in the reverse direction along the air flow path 11a. Since it is converted, the atomizing air passage 26 from the lower end cutout portion 28 of the surrounding rib 13 through the electrostatic atomizing device 6 to the ion opening portion 26b is bypassed from the air flow passage 11a, and electrostatically. Since it is bent at a right angle or more immediately before entering the atomizing device 6, the amount of air sent to the electrostatic atomizing device 6 and the wind speed are greatly reduced, and negative ionized fine water droplets are easily generated. Since the fine water droplets are sucked into the air flow path 11a by the negative pressure effect from the ion opening 26b, they can be discharged to the air flow path 11a without flowing back through the atomizing air path 26 serving as a bypass air path.

Also, as shown in FIG. 4 and FIG. 7, by providing the atomizing air passage 26 with the chamber portion 19 in which the path gradually increases, the air velocity of the air entering the electrostatic atomizing device 6 decreases, and the low air velocity air current Passing through is sufficiently electrostatic atomized and has a low wind speed in the chamber 19, so that the negative ionized fine water droplets generated are sucked to the air channel 11a side through the ion opening 26b. Become.
Further, as shown in FIG. 10, the discharge electrode 7 is arranged at the center of the cross section of the air flow path 11a sandwiched between the casing 5 and the main body case, so that the discharge electrode 7 generates and discharges to the air flow path 11a. The negatively ionized fine water droplets are conveyed to both the casing 5 and the main body case without being biased in distance, and the amount of attenuation in the air flow path 11a is reduced, and the finely ionized fine ions from the outlet 2 Water droplets can be generated without shortage.
Moreover, as shown in FIGS. 4-6, by providing the electrostatic atomizer 6 in the constriction part 20, a wind speed rises in the constriction part 20 of the air flow path 11a, and the ion opening part of the electrostatic atomization apparatus 6 is provided. The negative ionized fine water droplets from 26b are easily released to the air flow path 11a, and further, the air passage on the downstream side of the constricted portion 20 is widened, so that the air blowing range is widened and the air speed of the air outlet 2 is reduced. The noise value generated from the air outlet 2 can be reduced.

  The air conditioner according to the present invention is

External appearance side view of the air conditioner of Embodiment 1 of the present invention (B) Front view when the front panel and side panel are removed, (b) Side view when the front panel and side panel are removed External side view of the electrostatic atomizer Rear view with the back panel removed External perspective view of the back when the back panel is removed Rear view with the back panel and cover removed Plane enlarged view showing the same atomized air passage Schematic sectional view showing the arrangement of the electrostatic atomizer and each air passage Cross-sectional enlarged view showing the heat dissipation air passage Sectional view showing the positional relationship between the air flow path and the discharge electrode Sectional view of a conventional electrostatic atomizer Other sectional views of the same electrostatic atomizer

Explanation of symbols

1 Intake port 2 Outlet 3 Centrifugal blower 4 Air purification filter (air purification means)
DESCRIPTION OF SYMBOLS 5 Casing 5a Plane side plate 6 Electrostatic atomizer 7 Discharge electrode 8 Counter electrode 8a Wall part 9 Cooling part 10 Heat radiation part 10a Heat radiation fin 11 Main body 11a Air flow path 12 Peltier element 13 Enclosing rib 13a Cover part 14 Opening part 15 Small opening Part 16 Humidification filter (humidification means)
DESCRIPTION OF SYMBOLS 19 Chamber part 20 Constriction part 25 Radiating air path 25a Projection part 26 Atomization air path 26a Ventilation hole 26b Ion opening part 26c Continuous plane part 28 Lower end notch part

Claims (12)

  An air passage formed in the main body through communication between the suction port and the air outlet, and a centrifugal fan provided with an air cleaning means, an electrostatic atomizer, and a casing provided in the air passage, The air conditioner is characterized in that the air flow path on the upstream side of the outlet is formed by a flat side plate constituting the casing, and the electrostatic atomizer is disposed at a side end along the air flow path.   The electrostatic atomizer includes a discharge electrode to which a high voltage is applied, a counter electrode provided to face the discharge electrode, a cooling unit for cooling the discharge electrode, and a heat dissipation unit attached to the heat generation side. The air conditioner according to claim 1, comprising a Peltier element, wherein the heat dissipating part is disposed in a casing of the centrifugal blower.   The heat radiation air path that cools the heat radiation part of the electrostatic atomizer and the atomization air path that generates negative ions close the surrounding rib installed on the flat side plate of the casing and the opening range of the surrounding rib. The air conditioner according to claim 1, wherein the air conditioner is formed of a cover portion.   The heat radiating air passage includes an opening and a small opening provided on the flat side plate so as to sandwich the heat radiating portion of the electrostatic atomizer, and the small opening is disposed downstream of the casing from the opening. The air conditioner according to claim 3, wherein the air conditioner is provided on a back side of a protruding portion that protrudes inward of the casing.   The air conditioner according to claim 4, wherein humidifying means is provided on the downstream side of the centrifugal blower and on the upstream side of the electrostatic atomizer.   4. A vent hole is provided at a side of the discharge electrode in the atomizing air passage, and the vent hole is formed between a wall portion attached to the counter electrode and the Peltier element. Air conditioner as described in.   An electrostatic atomization device, wherein an angle formed by a protruding direction of the discharge electrode and an airflow direction of the air flow path is substantially a right angle, and the discharge electrode is provided at a rear position of an ion opening facing the air flow path. The air conditioner according to claim 6, wherein the air conditioner is ventilated from the ventilation port provided to the air flow path through the ion opening.   A case portion that closes the electrostatic atomizer includes the ion opening portion that opens in a direction orthogonal to the air flow path, and a continuous flat portion provided around the ion opening portion as the air flow path. The air conditioner according to claim 7, wherein the air conditioner is formed so as to face.   The atomizing air passage is an air passage extending from a lower end notch provided in the surrounding rib to the ion opening through the electrostatic atomizing device, and the atomizing air passage is on the side of the electrostatic atomizing device. 7. The direction is changed at least at right angles to the direction of the ion opening from one side, and the direction is changed backward from the ion opening so as to follow the air flow path. Item 9. The air conditioner according to any one of Items 8.   The atomization air passage forms a chamber portion that gradually spreads from the lower end notch portion having a small area on the upstream side of the electrostatic atomizer, and the chamber portion allows negative ions to pass through the ion opening and the air flow path. The air conditioner according to claim 9, wherein the air conditioner is guided to be sucked into the air conditioner.   The said discharge electrode of the said electrostatic atomizer is arrange | positioned on the centerline of the cross section of the said air flow path, The claim 1 or Claim 6 characterized by the above-mentioned. Air conditioner.   The constriction part was provided in the middle of the said air flow path along the said casing to the said blower outlet, and the said electrostatic atomizer was provided in the said constriction part, Any of Claim 1-11 The air conditioner described in Crab.

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