JP5397335B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner such as an air purifier or a fan coil.

  Conventionally, as an air conditioner, as shown in FIG. 6, there is one having a duct 110 and an active species generator 141 in a casing 101 (see Japanese Patent Application Laid-Open No. 2008-12060: Patent Document 1). .

  The duct 110 has an air outlet 111 that opens above the casing 101 and a suction port 112 that opens to the front of the casing 101, and a fan 115 is accommodated in the duct 110 at a position facing the suction port 112. Was.

  The active species generating device 141 was disposed outside the side of the duct 110 and above the fan 115. The active species generator 141 generates active species and releases the active species into the air. Further, a high voltage component 135 (such as a high voltage power source) for operating the active species generating device 141 is disposed on the side of the active species generating device 141.

  In recent years, in order to increase the air volume of an air conditioner, a configuration in which two fans and two ducts are provided has been considered. At this time, there is a request to provide an active species generating device for each fan.

  In the conventional air conditioner shown in FIG. 6, when two fans and two ducts are provided corresponding to the increase in the air volume, a configuration in which two air conditioners in FIG. The That is, it is assumed that another fan is provided above the fan 115 and another active species generator is provided above the active species generator 141.

  However, in this case, since it is necessary to provide two high-voltage components 135 of the active species generating apparatus, there are problems that the air conditioner becomes large and costs increase.

JP 2008-12060 A

  SUMMARY OF THE INVENTION An object of the present invention is to provide an air conditioner that can reduce the number of high-voltage components by reducing the number of high-voltage components, thereby reducing the size and cost.

In order to solve the above problems, the air conditioner of the present invention is
In the casing, the first duct and the second duct oriented in the same direction are arranged in parallel,
A first fan is accommodated in the first duct, a second fan is accommodated in the second duct,
The first air outlet of the first duct and the second air outlet of the second duct are open toward one side of the casing,
The distance between the first air outlet of the first duct and the first fan is greater than the distance between the second air outlet of the second duct and the second fan, and the first fan and the first fan. Two fans are arranged at intervals so as not to overlap in the axial direction.
Outside the first duct and the second duct and in a direction intersecting a position between the first fan and the second fan or a plane including the first fan shaft and the second fan shaft. The first active species generating device and the second active species generating device are arranged at a position sandwiching the second fan,
The first outlet of the first active species generator opens to the upstream of the first duct or the first duct,
The second outlet of the second active species generating device opens upstream of the second duct or the second duct,
The first suction port of the first active species generation device and the second suction port of the second active species generation device are connected to the outlet of the connecting duct,
The inlet of the connection duct is characterized by opening to the first duct.

  According to the air conditioner of the present invention, the first active species generating device and the second active species generating device are outside the first duct and the second duct, and the first fan and the second Since the second active species generating device and the second active species generating device can be arranged close to each other, the first active species generating device and the second active species generating device can be arranged close to each other.

  Therefore, for example, between the first fan and the second fan, between the first active species generating device and the second active species generating device, the (high voltage power supply) of the first and second active species generating devices. Etc.) can be arranged in common.

  Therefore, it is possible to reduce the number of high-voltage components and reduce the size and cost of the air conditioner.

Moreover, in the air conditioner of one embodiment,
The partition portion located between the first fan and the second fan in the first duct is formed in a tapered shape so that the passage gradually narrows toward the first air outlet side of the first duct. And
The tapered partition is provided with an inlet for the connecting duct.

  According to the air conditioner of this embodiment, the partition portion positioned between the first fan and the second fan is formed in a tapered shape, and the inlet of the connection duct is connected to the tapered partition portion. Since it is provided, the air blown out from the first fan smoothly enters the connecting duct through the inlet of the connecting duct provided in the tapered partition, and generates the first and second active species. Guided into the device.

  Therefore, the flow resistance from the first duct to the first and second active species generating devices can be reduced, and noise and vibration due to air flow and windage loss can be prevented.

  According to the air conditioner of the present invention, the first and second ducts having the first and second outlets opened in one side of the casing are arranged in parallel, and the first active species generating device and the second active species are arranged. Since the generating device is arranged outside the first duct and the second duct and at a position between the first fan and the second fan or a position sandwiching the second fan. High voltage components can be shared, the number of high voltage components can be reduced, and downsizing and cost reduction can be achieved.

It is the simple lineblock diagram seen from the side of the air cleaner which is one embodiment of the air harmony machine of the present invention. It is a simple lineblock diagram seen from the front of an air cleaner. It is a simple lineblock diagram seen from the plane of an air cleaner. It is a disassembled perspective view of an air cleaner. It is a perspective view which shows the duct of an active species production | generation apparatus. It is explanatory drawing explaining the flow of the air from an active species production | generation apparatus. It is explanatory drawing explaining the air flow of air purification. It is the simplified block diagram seen from the front of the conventional air conditioner.

  Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.

  FIG. 1A shows a simplified configuration diagram seen from the side of an air purifier which is an embodiment of the air conditioner of the present invention. FIG. 1B shows a simplified configuration diagram viewed from the front of the air cleaner, and FIG. 1C shows a simplified configuration diagram viewed from the plane of the air cleaner.

  As shown in FIGS. 1A, 1B, and 1C, the air purifier includes a casing 1 and a first duct 10 and a second duct 20 disposed in the casing 1. In FIG. 1C, the first duct 10 and the second duct 20 are omitted. In this specification, the front side of the air cleaner is the front side, and the left-right direction when the air cleaner is viewed from the front is the left-right side.

  The first duct 10 and the second duct 20 are arranged in parallel and oriented in the same direction. The first duct 10 is located behind and below the second duct 20. The first duct 10 and the second duct 20 partially overlap each other, and this overlapping portion uses a common partition member.

  The first air outlet 11 of the first duct 10 and the second air outlet 21 of the second duct 20 are open toward the upper side (one side) of the casing 1. The first suction port 12 of the first duct 10 and the second suction port 22 of the second duct 20 open toward the front surface (other surface) of the casing 1.

  A first fan 15 is accommodated in the first duct 10. A second fan 25 is accommodated in the second duct 20. The first fan 15 faces the first suction port 12, and the second fan 25 faces the second suction port 22. The first fan 15 and the second fan 25 are centrifugal multiblade fans such as a sirocco fan and a turbo fan, for example.

  The distance between the first air outlet 11 of the first duct 10 and the first fan 15 is larger than the distance between the second air outlet 21 of the second duct 20 and the second fan 25. The first fan 15 is disposed behind and below the second fan 25. The axis of the first fan 15 and the axis of the second fan 25 are arranged in parallel. The first fan 15 and the second fan 25 are arranged at intervals in the axis orthogonal direction so as not to overlap each other in the axis direction.

  A first fan motor 16 for driving the first fan 15 and the first fan 15 are arranged in this order from the first inlet 12 of the first duct 10 to the rear. A second fan motor 26 that drives the second fan 25 and the second fan 25 are arranged in this order from the second suction port 22 of the second duct 20 to the rear.

  The first duct 10 includes a partition 13 that is located between the first fan 15 and the second fan 25. The partition 13 is located downstream of the first fan 15. The partition part 13 is formed in a taper shape so as to narrow the passage gradually toward the first air outlet 11 side of the first duct 10.

  A first air filter unit 31 as an example of a functional member is disposed upstream of the first suction port 12 of the first duct 10. The first air filter unit 31 is located in front of the first duct 10.

  A second air filter unit 32 as an example of a functional member is disposed upstream of the second suction port 22 of the second duct 20. The second air filter unit 32 is located in front of the second duct 20.

  A first active species generating device 41 and a second active species generating device 42 are located outside the first duct 10 and the second duct 20 and between the first fan 15 and the second fan 25. Is arranged. The first and second active species generating devices 41 and 42 generate active species and release the active species into the air.

  The first and second active species generating devices 41 and 42 extend in the front-rear direction, respectively. The first and second active species generating devices 41 and 42 are arranged at intervals in the left-right direction orthogonal to the plane including the first fan 15 axis and the second fan 25 axis. The first and second active species generating devices 41 and 42 are positioned in front of the first duct 10 and below the second duct 20, and are positioned between the first air filter unit 31 and the second air filter unit 32. .

  Between the front part of the first active species generating device 41 and the front part of the second active species generating device 42, between the first air filter unit 31 and the second air filter unit 32, the first and second 2. A high voltage component 33 such as a high voltage power source for operating the two active species generating devices 41 and 42 is disposed.

  The first air outlet 41 b of the first active species generating device 41 is opened upstream of the first air filter unit 31 upstream of the first inlet 12 of the first duct 10. That is, the first outlet 41 b of the first active species generating device 41 opens downward at the front portion of the first active species generating device 41 and is directed upstream of the first air filter unit 31.

  The second air outlet 42 b of the second active species generating device 42 is opened upstream of the second air filter unit 32 upstream of the second suction port 22 of the second duct 20. That is, the second outlet 42 b of the second active species generating device 42 opens upward at the front portion of the second active species generating device 42 and is directed upstream of the second air filter unit 32.

  The first suction port 41 a of the first active species generating device 41 opens rearward at the rear part of the first active species generating device 41. The second suction port 42 a of the second active species generating device 42 opens rearward at the rear part of the second active species generating device 42.

  The first suction port 41 a of the first active species generation device 41 and the second suction port 42 a of the second active species generation device 42 are connected to the outlets 45 b and 45 b of the connecting duct 45.

  The connecting duct 45 extends in the left-right direction. The connecting duct 45 is disposed between the first duct 10 and the second duct 20. The connecting duct 45 and the first and second ducts 10 and 20 partially overlap each other, and a common partition member is used for the overlapping portion. As one of the common partition members, there is a partition portion 13 of the first duct 10.

  Exit 45b, 45b is provided at each of the left and right ends of the connecting duct 45, one outlet 45b is connected to the first suction port 41a of the first active species generator 41, and the other outlet 45b is The second active species generating device 42 is connected to the second suction port 42a.

  An inlet 45 a is provided in the middle of the connecting duct 45 in the left-right direction, and the inlet 45 a opens to the first duct 10. That is, the inlet 45 a is provided in the tapered partition 13.

  Next, the operation of the air cleaner having the above configuration will be described. In the figure, the air flow is indicated by arrows.

  As shown in FIG. 1A, the air that has passed through the second air filter unit 32 from the front surface of the casing 1 due to the rotation of the second fan 25 disposed on the upper side of the casing 1 causes the second suction of the second duct 20. The air is sucked into the second duct 20 from the opening 22 and blown out from the second air outlet 21 of the second duct 20.

  In addition, the air that has passed through the first air filter unit 31 from the front surface of the casing 1 due to the rotation of the first fan 15 disposed on the lower side of the casing 1 passes through the first suction port 12 of the first duct 10. The air is sucked into one duct 10 and blown out from the first air outlet 11 of the first duct 10.

  At this time, since the first fan 15 is located farther from the first suction port 12 of the first duct 10 than the first fan motor 16, most of the air blown from the first fan 15 is It goes to the 1st blower outlet 11 without hitting the partition wall 13.

  On the other hand, as shown in FIGS. 1A and 1C, a part of the air blown out from the first fan 15 passes smoothly through the inlet 45a of the connecting duct 45 provided in the tapered partitioning portion 13 and smoothly connected to the connecting duct 45. 45 is introduced into the first and second active species generating devices 41 and 42. At this time, the flow path resistance from the first duct 10 to the first and second active species generators 41 and 42 is reduced, and noise and vibration due to the air flow and windage loss can be prevented.

  Then, the air introduced into the first active species generating device 41 contains the active species generated and released by the first active species generating device 41, and then the first blowing of the first active species generating device 41 is performed. From the outlet 41b, it blows out upstream of the 1st air filter unit 31, and passes the 1st air filter unit 31 again.

  The air introduced into the second active species generating device 42 contains the active species generated and released by the second active species generating device 42, and then the second blowing of the second active species generating device 42 is performed. The air is blown from the outlet 42b to the upstream side of the second air filter unit 32 and passes through the second air filter unit 32 again.

  Next, the configurations of the first active species generating device 41 and the first air filter unit 31 will be described in detail with reference to FIGS. In addition, since it is the same also about the structure of the said 2nd active species production | generation apparatus 42 and the said 2nd air filter unit 32, this description is abbreviate | omitted.

  As shown in FIG. 2, the first air filter unit 31 includes, in order from the front of the casing 1 to the first duct 10 (first fan 15) side, a prefilter 35, a plasma ionization unit 36, an electrostatic filter 37, and A deodorizing filter 38 is provided.

  The pre-filter 35 is a filter through which the air sucked into the casing 1 first passes, and removes relatively large dust and dust from the air. The plasma ionization unit 36 charges fine particles such as dust contained in the passing air. The electrostatic filter 37 collects dust and the like charged when passing through the plasma ionization unit 36. The deodorizing filter 38 deodorizes by adsorbing and decomposing odor components contained in the air.

  As shown in FIGS. 2 and 3, the first active species generating apparatus 41 includes an active species generating unit 43 and a mounting unit 44 to which the active species generating unit 43 is detachably attached.

  The active species generating unit 43 is a streamer discharge unit, and generates active species to be supplied to the electrostatic filter 37 and the like by causing streamer discharge, and releases it into the air flow. The detailed configuration of the streamer discharge unit is the same as the configuration described in Japanese Patent Application Laid-Open No. 2008-12060, and a description thereof will be omitted.

  The mounting portion 44 is formed in a duct shape, and the front surface of the mounting portion 44 is open. The active species generating portion 43 is detachably mounted from the opening. The mounting portion 44 is provided with a first suction port 41a and a first air outlet 41b. The mounting portions 44 and 44 and the connecting duct 45 of the first and second active species generating devices 41 and 42 are integrally formed continuously.

  As shown in FIGS. 2 and 4, the air blown downward from the first outlet 41 b of the first active species generating device 41 passes through the guide groove 36 a provided in the plasma ionization unit 36, The air is blown out from the hole 35 a provided in the filter 35 to the front of the pre-filter 35. In FIG. 4, the air flow is indicated by arrows.

  As shown in FIG. 5, the first active species generating device 41 (the active species generating unit 43) is arranged in a branch flow F <b> 2 branched from the main flow F <b> 1 of the air flow generated by the first fan 15. Then, the purified air after passing through the prefilter 35, the plasma ionization unit 36, the electrostatic filter 37 and the deodorizing filter 38 is sent to the streamer discharge unit. The air containing the active species through the streamer discharge unit is returned to the upstream side of the prefilter 35.

  According to the air cleaner as an example of the air conditioner having the above-described configuration, as shown in FIGS. 1A and 1B, the first active species generating device 41 and the second active species generating device 42 include the first duct. 10 and the second duct 20, and at a position between the first fan 15 and the second fan 25, the first active species generator 41 and the second active species are generated. The device 42 can be placed close to each other.

  Therefore, between the first fan 15 and the second fan 25, between the first active species generating device 41 and the second active species generating device 42, the first and second active species generating devices 41, High voltage components 33 such as a high voltage power source for operating 42 can be arranged in common.

  Therefore, the quantity of the high voltage component 33 can be reduced, and the size and cost of the air conditioner can be reduced.

  In addition, this invention is not limited to the above-mentioned embodiment. For example, the first and second active species generators are arranged in the direction intersecting (for example, orthogonal to) the outside of the first duct and the second duct and a plane including the first fan axis and the second fan axis. You may arrange | position in the position which pinches | interposes two fans.

  Further, the first air filter unit may be arranged downstream of the first air outlet of the first duct, and the second air filter unit may be arranged downstream of the second air outlet of the second duct. In this case, the first outlet of the first active species generator may be opened to the first duct, and the second outlet of the second active species generator may be opened to the second duct.

  In addition to the streamer discharge unit, the first and second active species generating devices include an ozonizer, a device that generates active species that disinfects and decomposes a filter, a device that generates active species that regenerate activated carbon, and the like. It may be.

  Moreover, you may make it open the 1st blower outlet of a 1st duct, and the 2nd blower outlet of a 2nd duct toward one surface other than the upper surface of a casing. Furthermore, you may provide the blower outlet of the casing for blowing air out of a casing from the 1st, 2nd duct in the front surface etc. other than the upper surface of a casing. Moreover, you may make it open the 1st suction inlet of a 1st duct, and the 2nd suction inlet of a 2nd duct toward one surface other than the front surface of a casing.

  Moreover, you may make it arrange | position a 1st fan and a 1st fan motor in order from the 1st inlet of a 1st duct, and a 2nd fan and a 2nd in order from the 2nd inlet of a 2nd duct. A fan motor may be arranged.

  Further, as an air conditioner, an air purifier has been exemplified and described, but not limited to an air purifier, a dehumidifier, a humidifier, a cooler, a heater, or a device having a plurality of these functions, etc. Applicable to all air conditioners. And when a cooling machine or a heating machine is used as an air conditioner, a heat exchanger is used as a functional member.

DESCRIPTION OF SYMBOLS 1 Casing 10 1st duct 11 1st blower outlet 12 1st suction inlet 13 Partition part 15 1st fan 16 1st fan motor 20 2nd duct 21 2nd blower outlet 22 2nd suction inlet 25 2nd fan 26 2nd fan Motor 31 First air filter unit (functional member)
32 Second air filter unit (functional member)
33 High Voltage Component 41 First Active Species Generation Device 41a First Suction Port 41b First Blowout Port 42 Second Active Species Generation Unit 42a Second Suction Port 42b Second Blowout Port 45 Connection Duct 45a Inlet 45b Outlet

Claims (2)

In the casing (1), the first duct (10) and the second duct (20) oriented in the same direction are arranged in parallel,
The first fan (15) is accommodated in the first duct (10), the second fan (25) is accommodated in the second duct (20), and
The first air outlet (11) of the first duct (10) and the second air outlet (21) of the second duct (20) are open toward one side of the casing (1),
The distance between the first air outlet (11) of the first duct (10) and the first fan (15) is the same as that of the second air outlet (21) of the second duct (20) and the second fan (25). ) And the first fan (15) and the second fan (25) are arranged at intervals so as not to overlap in the axial direction.
Position outside the first duct (10) and the second duct (20) and between the first fan (15) and the second fan (25) or the axis of the first fan (15) And the second active species generating device (42) at a position sandwiching the second fan (25) in a direction intersecting a plane including the axis of the second fan (25) and the second fan (25) axis. )
The first outlet (41b) of the first active species generator (41) opens upstream of the first duct (10) or the first duct (10),
The second outlet (42b) of the second active species generator (42) opens upstream of the second duct (20) or the second duct (20),
The first inlet (41a) of the first active species generator (41) and the second inlet (42a) of the second active species generator (42) are connected to the outlet (45b) of the connecting duct (45). Connected to
The inlet (45a) of the connection duct (45) opens to the first duct (10). In the air conditioner according to claim 1,
The partition part (13) located between the first fan (15) and the second fan (25) in the first duct (10) is a first outlet (11 of the first duct (10)). ) It is formed in a tapered shape so as to narrow the passage gradually toward the side,
An air conditioner characterized in that the tapered partition (13) is provided with an inlet (45a) of the connecting duct (45).

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