JP4085131B2 - Negative ion-containing air supply system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a negative ion-containing air supply system suitable for installation in a facility where a comfortable environment is particularly important for facility users, such as nursing homes and hospitals.
[0002]
[Prior art]
In recent years, it has been noticed that negative ions are effective in maintaining and improving human health, and air cleaners and air conditioners having a function of generating negative ions have been provided. As this negative ion generation method, a water crushing type that crushes water and generates negative ions by the Leonard effect, a corona discharge type that generates a high voltage between electrodes, an electron emission type, etc. are known. For example, Japanese Patent Application Laid-Open No. 5-283144 discloses a mist that sprays water in a mist state by supplying compressed air and water. There is disclosed an air ion generator comprising: an ejection nozzle; an air supply source that supplies compressed air to the mist ejection nozzle; and a water supply source that supplies water to the mist ejection nozzle. Yes.
[0003]
[Problems to be solved by the invention]
By the way, it is known that negative ions are beneficial to human beings. However, in any of the negative ion generation methods described above, positive ions are also generated and exist in the atmosphere. Adjustment is required to make the amount larger than the amount of ions. However, the prior art has a drawback that this point is not taken into consideration. Moreover, the negative ion containing air supply system which considered the convenience of installation by integrating the negative ion generator and the ion amount adjusting device is not proposed in the prior art.
[0004]
The present invention has been made in view of the above-mentioned drawbacks of the prior art, and is a more suitable environment for humans by adjusting the amount of ions so that the amount of negative ions mixed with purified air is larger than the amount of positive ions. An object of the present invention is to provide a negative ion-containing air supply system that can be installed conveniently by integrating and reducing the size of the ion generator and the ion amount adjusting device.
[0005]
[Means for Solving the Problems]
The means of the present invention configured to solve the above-described problem is that an ion containing ion is mixed with the temperature-controlled air supplied from the air conditioner in a flow path for supplying air from the air conditioner to the purification chamber. The ion generator for generating air, the cover parts on both sides and the cover main body connected by the cover parts on both sides constitute a casing of the cylinder cover, and an insulating material is provided on the inner surface of the cover main body. Produced by the ion generator that houses a honeycomb electrode integrated with a large number of copper tubes through which ion-containing air flows, and stores a grid-like or mesh-like porous electrode in the vicinity of the honeycomb electrode on the upstream side of the air flow the negative ions of the ion-containing air and providing an ion amount adjusting apparatus for adjusting the positive ion content, the porous electrode of the both side cover portion connected to the air supply pipe from the ion generating device, the other side mosquitoes Over unit is connected so as to be opened to clean chamber, by applying the honeycomb electrode side to the negative, negative ions of the ion-containing air produced by the ion generating device by applying a porous electrode side positively An ion amount adjusting device (hereinafter referred to as an ion amount adjusting device) that is adjusted so as to be larger than the positive ion amount and is supplied to the purification chamber is provided.
[0006]
The ion amount adjusting device includes a honeycomb electrode formed in a casing with a conductive material in a casing, and a lattice-like or net-like porous electrode disposed on the upstream side of the air flow in the vicinity of the honeycomb electrode. The casing has an opening in the cover portion on the upstream side of the air flow so that the downstream side is widened to suppress the air flow rate, and a negative voltage is applied to the honeycomb electrode by a DC power source. was applied, it is assumed that is configured to apply a positive voltage to the ground electrode.
[0007]
The ion generator includes an injection nozzle disposed in the temperature-controlled air supplied from the air conditioner, a high-pressure air source that supplies high-pressure air to the injection nozzle, and a negative pressure in the injection nozzle. It consists of a water supply source that supplies water to be used .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 4 show a first embodiment. In the figure, reference numerals 1 and 1 denote purification chambers such as hospital rooms, and 2 denotes an air conditioner for removing and purifying dust in each purification chamber 1 and circulatingly supplying air adjusted to an appropriate temperature, The air conditioner 2 includes an air purification filter 2A, a heating coil 2B, and a blower 2C, and supplies temperature-controlled air to each purification chamber 1 via an air supply pipe 3. In addition, an air return pipe 5 is connected between the exhaust duct 4 provided in each purification chamber 1 and the air conditioner 2, and the purified air is passed through a flow path formed by the air supply pipe 3 and the air return pipe 5. Circulation is supplied between the purification chamber 1 and the air conditioner 2.
[0009]
Reference numeral 11 denotes an ion generator connected to the air supply pipe 3. The ion generator 11 is connected to an air supply pipe 3, a casing 12 to which temperature-controlled air is supplied, an injection nozzle 13 disposed in the casing 12, and air for supplying pressurized air to the injection nozzle 13. The compressor 14 and a water tap 15 configured to always supply a constant amount of water to the injection nozzle 13 from a water storage tank 15A provided with a float valve. The injection nozzle 13 is supplied from the air compressor 14 and crushes the water into fine particles by the negative pressure in the nozzle by the pressurized air ejected from the nozzle hole, generates negative ions by the Leonard effect, and generates purified ions. To be mixed.
[0010]
Reference numeral 21 denotes an ion amount adjusting device for adjusting the amount of negative ions in the ion-containing air supplied from the ion generator 11 to the purification chamber 1 through the air supply pipe 3. 22 is a rectangular tube cover constituting the ion amount adjusting device 21. The rectangular tube cover 22 includes a truncated pyramid-shaped one side cover portion 22A and another side cover portion 22B, and the one side and other side cover portions 22A, 22B is comprised from the cover main body 22C connected with the both ends, 22 A of 1 side cover parts are connected to the air supply pipe 3, and the other side cover part 22B is opened to the purification | cleaning chamber 1. FIG. Note that the reason why the one-side cover portion 22A is formed in a truncated pyramid shape in which the downstream direction of the air is expanded is to secure the contact time with the honeycomb electrode 24 described later by suppressing the flow rate of the purified air. .
[0011]
23, 23,... Are insulating materials provided on the inner surface of the cover main body 22C, 24 is a honeycomb electrode accommodated in the cover main body 22A via the insulating material 23, and the honeycomb electrode 24 receives purified air from one side. It is composed of a honeycomb structure in which a large number of copper tubes 24A, 24A,... That circulate on the side are integrated, and is applied negatively as described later. Reference numeral 25 denotes a ground electrode composed of copper wires in a lattice shape to form a porous electrode. The ground electrode 25 is disposed on the front side of the honeycomb electrode 24, that is, on the upstream side in the flow direction of the purified air with a space S therebetween. Yes, it is applied positively.
[0012]
Reference numeral 26 denotes a DC power supply of 100 to 150 V for applying a voltage to the honeycomb electrode 24 and the ground electrode 25. The DC power supply 26 is connected to the electrodes 24 and 25 via wirings 27 and 28, respectively.
[0013]
The ion amount adjusting device 21 has the above-described configuration, and ions in the ion-containing air supplied from the ion generating device 11 are positive ions while flowing in each copper tube 24A having a negative potential of the honeycomb electrode 24. Is adsorbed, and the purified air in which the amount of negative ions is larger than the amount of positive ions is supplied from the ion amount adjusting device 21 to the purification chamber 1. It should be noted that the adjustment of the amount of ions that lowers the ratio of positive ions to negative ions can be performed by reducing the distance S between the honeycomb electrode 24 and the ground electrode and increasing the voltage.
[0014]
According to the ion generator 11 and the ion amount adjusting device 21 according to the present embodiment, the negative ion concentration is about 24.5 times and the positive ion concentration is about 13.3 times before and after the operation, and the negative ions are It was possible to obtain purified air with a high content of.
[0015]
Next, FIGS. 5 and 6 show a second embodiment. In addition, in this Embodiment, the same code | symbol is attached | subjected and used for the component same as the component of 1st Embodiment, and the description is abbreviate | omitted. In the figure, 31 indicates an ion generator. 32 is a cylinder constituting the ion generator 31. The cylinder 32 is an outer cylinder 32A made of a metal plate, an inner cylinder 32B made of punching metal, and glass wool filled between the outer cylinder 32A and the inner cylinder 32B. The sound absorbing material 32 </ b> C and the like are suspended in a casing 42 described later via a suspension band 33 wound around the outer periphery of the cylindrical body 32.
[0016]
Reference numeral 34 denotes an injection nozzle for ejecting ion generating air toward the inside of the cylindrical body 32. The injection nozzle 34 is supported by an L-shaped material support bar 35 that is positioned in the axially rear side of the cylindrical body 32 and is horizontally mounted in the casing 42, and is connected to the air compressor 14 and the water tap 15 via pipes 36 and 37. And connected respectively.
[0017]
Next, reference numeral 41 denotes an ion amount adjusting device having a configuration surrounding the ion generating device 31. In the figure, reference numeral 42 denotes a rectangular cylindrical casing constituting the ion amount adjusting device 41. The casing 42 is composed of four metal outer plates 43A, 43B, 43C, 43D surrounding the upper, lower, left and right side surfaces. An outer frame body 43, four inner plates 44A, 44B, 44C, 44D and a rear side plate 44E made of punching metal, and an inner frame body 44 having a front opening, and the inner frame body 44 and the outer frame body. 43 and a sound absorbing material 45 such as glass wool filled between them. In the casing 42, a pair of suction fans 46 and 46 for introducing outside air, which is the air in the purification chamber 1, are attached to the rear side plate 44E.
[0018]
Further, 47 is a honeycomb electrode provided on the front end opening side of the casing 42, and 48 is a ground electrode arranged on the upstream side of the air flow in the vicinity of the honeycomb electrode 47. The basic structure of these electrodes 47, 48 and The operation is the same as that of the honeycomb electrode 24 and the ground electrode 25 of the first embodiment.
[0019]
Since the present embodiment has the above-described configuration, and the ion generator 31 is housed and integrated in the casing 42 constituting the ion amount adjusting device 41, the entire device can be miniaturized. Therefore, for example, since it can be installed suspended from the ceiling in the purification chamber 1, it can also be easily installed and used in a purification chamber that does not include air ejection and discharge ducts.
[0020]
Further, since the sound absorbing materials 32C and 45 are filled in the cylindrical body 32 of the ion generating device 31 and the casing 42 of the ion amount adjusting device 41, the device is excellent in quietness even when installed in the purification chamber 1. Can be used.
[0021]
And according to the ion generator 31 and the ion amount adjusting device 41 according to the present embodiment, the negative ion concentration is about 104,0 times and the positive ion concentration is about 51.8 times before and after the operation, It was possible to produce purified air with a high negative ion content.
[0022]
【The invention's effect】
Since the present invention is configured as described in detail above, the following effects can be obtained.
(1) Since the amount of ions is adjusted so that the amount of negative ions mixed with the purified air supplied to the purification chamber is larger than the amount of positive ions, a more suitable environment for humans can be provided.
(2) The ion amount adjusting device stores a honeycomb electrode that applies a negative voltage and a ground electrode that applies a positive voltage in the casing, and adsorbs positive ions in the purified air to the honeycomb electrode. Therefore, it is possible to supply purified air suitable for humans with a high content of negative ions.
(3) Since the ion generator is housed in the casing of the ion amount adjusting device and is miniaturized by integrating both devices, convenience in installation and use can be achieved.
[Brief description of the drawings]
FIG. 1 to FIG. 4 relate to a first embodiment of the present invention, and FIG. 1 is a configuration diagram of an anion-containing air supply system.
FIG. 2 is a longitudinal sectional view of an ion amount adjusting device.
3 is a cross-sectional view in the direction of arrows III-III in FIG.
FIG. 4 is a configuration diagram of a honeycomb electrode and a ground electrode.
5 and FIG. 6 show a second embodiment, and FIG. 5 is a cross-sectional view showing a configuration in which an ion mixing device and an ion amount adjusting device are integrated.
6 is a cross-sectional view in the direction of arrows VI-VI in FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Purification room 2 Air conditioner 11, 31 Ion generator 13, 34 Injection nozzle 14 Air compressor 15 Feed cock 21, 41 Ion amount adjustment device 24, 47 Honeycomb electrode 25, 48 Ground electrode 26 DC power supply

Claims (3)

An ion generator that mixes ions with the temperature-controlled air supplied from the air conditioner to generate air into the ion-containing air, and both side cover parts and the both side cover parts. A honeycomb electrode is formed by forming a casing of a cylindrical cover with a cover body connected in a step, providing an insulating material on the inner surface of the cover body, and integrating a large number of copper tubes through which ion-containing air flows through the insulating material. Ions that contain and adjust the amount of negative ions and the amount of positive ions in the ion-containing air generated by the ion generator that stores a lattice-like or net-like porous electrode on the upstream side of the air flow in the vicinity of the honeycomb electrode An amount adjusting device, connecting the porous electrode side of the both side cover portions to the air supply pipe from the ion generating device, and connecting the other side cover portion so as to open to the purification chamber, Applying a electrode side to the negative, by applying a porous electrode side to a positive adjusted by ion quantity regulator as negative ions of the ion-containing air produced by the ion generating device is larger than the positive ion amount negative ion containing air supply system characterized by supplying to the purification chamber Te. The ion generator includes an injection nozzle disposed in temperature-controlled air supplied from the air conditioner, a high-pressure air source that supplies high-pressure air to the injection nozzle, and water that is sucked into the injection nozzle by negative pressure. The negative ion-containing air supply system according to claim 1 , further comprising a water supply source for supplying water . 3. The negative ion-containing air supply according to claim 1, wherein the casing of the ion amount adjusting device is configured such that the opening of the cover portion on the upstream side of the air flow has a shape in which the downstream side of the air is expanded. system.

Images