JP2006349289A - Structure for connecting gas conveying duct - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the ability of a flexible duct to convey air ions. <P>SOLUTION: An opening 1 in the flexible duct 10 of an air-conditioning system having an air ion generator is electrically connected to a metallic connection opening 9 in a device, and the inner core 4 of the duct 10 is grounded. The charge of the air ions being conveyed will not be neutralized unless the inner core 4 is charged, and the air ions are not decreased. If an end processing material 5 made of insulating material covers the end faces and the inner and outer peripheral surfaces of the opening 1, both openings can be electrically connected to each other via an earth wire 6 extending from the inner core 4 and pulled out through the space between the end processing material 5 and the opening 1. An electrically conductive layer 5a may be provided on the end processing material 5, brought into contact with the connection opening 9, and electrically connected to the inner core 4 by a through pin 8. The conductive layer 5a may be folded back over the inner peripheral surface of the opening 1 to facilitate the connection of the both. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a gas transport duct installation structure used for supplying air containing air ions, and a connection structure of the gas transport duct to a gas supply system device.

  A conventional gas supply system (air conditioning system) in a general house will be described with reference to FIG. 2 which is an explanatory diagram of an embodiment of the present invention, for example, from one air conditioner A to an intermediate fan 11 and a branch box. 12, a plurality of gas transfer ducts 10 are connected, and air-conditioned air is blown out from the air control port 14 at the end of the gas transfer duct 10 toward each room.

  When the duct 10 used in this method is disposed, it is troublesome to wind a heat insulating material around the duct after the duct 10 is disposed in a building or the like. In many cases, the flexible duct 10 is used.

As shown in FIG. 4, the main structure of the flexible duct 10 is composed of an outer covering material 2, a heat insulating material 3, and an inner core material 4, and an opening 1 for equipment provided at the end of the flexible duct 10. Is covered and protected by an end treatment material 5 such as a tape. A duct connection port 9 of an air conditioning system device such as an air conditioner A is fitted into the opening 1, and air supplied from the air conditioner A passes through the duct and is supplied to the living room.
The material of the film 4a constituting the inner core material 4 is roughly classified into two types, one having electrical conductivity (for example, aluminum vapor deposited PET film) and the other having no electrical conductivity (PET film, etc.). In either case, each is supported flexibly by a coiled metal core 4b.

By the way, in recent years, an air conditioner equipped with an air ion generator has been used. For example, Patent Document 1 discloses a technology of an air conditioning system related to the air ions.
JP 2002-277010 A

  In general, there are two types of air ions in the air, positive ions and negative ions, and it is known that the number decreases in the middle of supplying the inside of the duct. In the duct of the air supply path, static electricity is generated due to friction between the blown air and the inner surface of the duct, the inner surface of the duct is charged, and air ions collide with the charged portion, so that the charge is neutralized. Because.

  In particular, when the flexible duct 10 is used as a gas conveying duct, a metal coiled core material 4b is used to support the film 4a of the inner core material 4 (see FIG. 4). In both cases where the core material 4 is a film 4a having electrical conductivity (for example, an aluminum-deposited PET film) or non-conductive (e.g., PET film), The inner core material 4 is charged, and air ions can be reduced. This is because charging can occur in all materials regardless of whether they are conductors or insulators.

However, it is desirable that air ions generated by the air ion generator are efficiently supplied to the living room without being reduced as much as possible.
Also, in fields other than air conditioning systems, for example, in engines such as automobiles, a technique has been developed in which negative ions generated in tourmaline are included in the intake air sent to the combustion chamber to increase the combustion capacity of the engine. Even in such a case, a technique for efficiently transporting air ions without reducing them on the way is desired.

  Then, this invention makes it a subject to improve air ion conveyance capability.

In order to solve the above-described problems, the present invention connects a conductive member interposed in a gas transport duct to a ground potential.
In this case, since the conductive member is not charged by being grounded (grounded), the charge of the air ions being transported is not neutralized, and the air ions can be prevented from being reduced.

  Since the present invention is configured as described above, charging of the gas transport duct is prevented, and the air ion transport capability can be improved.

For example, the following embodiment can be adopted as a structure for connecting the conductive member of the gas transport duct by the above means to the ground potential.
That is, in a connection structure between a gas supply system device having an air ion generation function and a gas transport duct having a conductive member, the gas supply system device is provided with a ground function and connected to the gas supply system device. The electrically conductive member of the gas transport duct is connected to the ground potential of the gas supply system device.
In this way, the gas supply system device has a grounding function and is electrically grounded, and the gas transfer duct is connected to the device, so that the conductive member interposed in the duct is provided. It can be easily grounded.

  As said gas supply system, the air conditioning system provided with the air ion generator can be employ | adopted, for example. In the air conditioning system, by adopting the above embodiment, it is possible to improve the carrying capacity of air ions supplied to the living room.

Further, a connection port is provided in the gas supply system device, and the connection opening of the gas transfer duct is fitted into the connection port so that gas can be supplied into the gas transfer duct. The function may be provided in the conductive portion of the connection port, and a configuration in which the conductive member of the gas transport duct is connected to the ground potential of the conductive portion may be employed.
In this way, since the conductive portion having the earth function is provided at the connection port for the duct, the conductive member interposed in the duct and the conductive portion are located at a short distance. For this reason, it is easy to electrically connect both together.

In the connection between the conductive part of the connection port and the conductive member of the gas transport duct, the conductive member of the gas transport duct includes the connection opening of the gas transport duct as described above. It is convenient to connect the duct to the device by connecting it to the ground potential by being fitted to the connection port so as to be connected to the ground potential.
In addition, as a structure of the said duct for gas conveyance, the thing provided with the member which has electroconductivity, for example, may be comprised only from a metal member, the thing comprised only from a resin member, or metal It may be composed of a member and a resinous material, or a composite material thereof.

Further, the gas transport duct is formed by covering the outer side of the inner core material provided with a conductive member with a heat insulating material and / or a heat insulating material, that is, a heat insulating material and a heat insulating material, or a heat insulating material or a heat insulating material. In the case where the conductive portion is formed so as to be covered with any one of the inner core members, the conductive portion is provided on the outer periphery of the connection port, and the connection opening of the duct is fitted on the outer periphery of the connection port. A configuration in which a conductive member is in contact with the conductive portion may be employed.
In this way, if the connection port of the air conditioner is fitted in the opening of the duct, the conductive portion of the inner core material and the outer peripheral surface of the connection port come into contact with each other, and both are electrically connected. The conductive member interposed inside the duct can be easily grounded.

  Further, in the configuration in which the gas transport duct is formed by covering the outer side of the inner core material having a conductive member with a heat insulating material and / or a heat insulating material, the end surface and the inner and outer peripheral surfaces of the connection opening portion. Is coated with an end treatment material having conductivity, and when the end treatment material comes into contact with the conductive member of the inner core material, the connection opening is connected to the connection port. The end treatment material is brought into contact with the conductive portion by being fitted to the conductive portion, and the conductive member of the inner core material is connected to the ground potential via the end treatment material. obtain.

  Similarly, in the configuration in which the gas transport duct is formed by covering the outer side of the inner core material having a conductive member with a heat insulating material and / or a heat insulating material, the end face and the inner and outer sides of the connection opening portion are formed. When the peripheral surface is covered with an end treatment material made of an insulating material and the connection port is adapted to be fitted into a covering portion of the end treatment material, the inner core material has conductivity. The member may be connected to the ground potential of the conductive portion through a ground wire drawn out from the conductive member.

The ground wire may pass between the end treatment material, the end face of the opening and the inner and outer peripheral surfaces, and may be drawn from the outer edge of the end treatment material. In this way, since the ground wire that conducts the conductive portion of the inner core material can be easily drawn to the outside, the ground wire can be electrically connected to the connection port outside the opening. Since this connection can be made outside the opening, the workability is good and the inner core material can be easily grounded.
Further, a conductive layer may be provided on the surface of the end treatment material, and the conductive layer may be the ground wire. If a conductive layer is provided on the surface of the end treatment material, it is convenient that the conductive layer is electrically connected by contacting the conductive portion by fitting the connection opening into the connection port.

The conductive layer of the end treatment material and the member having conductivity of the inner core material can be electrically connected by a well-known technique. For example, the end treatment material together with the conductive layer is the above. If the inner portion of the opening is folded back and electrically connected via the folded portion, the folded portion of the conductive portion and the inner core material are in direct contact with each other. it can.
Further, the conductive layer of the end treatment material and the conductive member of the inner core material are penetrated by a conductive through pin, and the inner core material and the conductive portion are electrically connected via the through pin. May be connected to each other. If it does in this way, since both can be electrically connected through the general penetration pin used when fixing a film or sheets to other materials etc., work is easy.

Further, in the case where the inner core material is composed of a resin film and a coiled conductive core material that flexibly supports the film, the end portion of the core material is pulled out to the outside of the opening, The drawn end portion may be electrically connected to the conductive layer.
In this way, since the core material constituting the inner core material itself can be used to electrically connect the end treatment material and the inner core material, the processing is easy, When a film having no electrical conductivity is used for the inner core material, it can be an effective means for grounding the core material having electrical conductivity.

A first embodiment will be described with reference to FIGS. The gas transport duct connection structure of the first embodiment uses a flexible duct 10 as a gas transport duct, and an intermediate fan 11 and a branch box 12 are provided from the air conditioner A through the flexible duct 10, and the branch box is provided. 12 is used in an air conditioning system in which a plurality of flexible ducts 10 are connected to each other and air-conditioned air is blown out from the air-control opening 14 at the end toward each room.
It should be noted that all ducts such as ducts from the air conditioner A to the intermediate fan 11 and the branch box 12 are not limited to the flexible ducts 10, and only necessary portions may be the flexible ducts 10.

As shown in FIG. 1, the flexible duct 10 is configured such that a heat insulating material 3 made of glass wool or the like is provided on the entire outer periphery of the inner core material 4, and the outer side of the heat insulating material 3 is an outer covering material. 2 is covered.
The inner core material 4 is a PET film 4a to which a coiled metal core material 4b for flexibly supporting the film 4a is attached, and the PET film 4a is subjected to aluminum vapor deposition on the inside, Together with the metal core 4b, it is a conductive member.
In addition, in this Example 1, although the outer side of the said inner core material is covered with the heat insulating material 3, the aspect is not limited to this example, In addition to the heat insulating material 3, you may use the heat insulating material. Alternatively, it may be formed by covering with either a heat insulating material or a heat insulating material.

  An opening 1 for connection to an air conditioning system device is provided at the end of the flexible duct 10, and the end surface and inner and outer peripheral surfaces of the opening 1 have insulating properties as shown in FIG. It is covered and protected in a U-shaped cross section by an end treatment material 5 such as a tape.

  Inside the opening 1, a connection port 9 (corresponding to an air outlet or inlet) of an air conditioning system, such as an air conditioner A, an intermediate fan 11, and a branch box 12, is fitted. The air supplied from A can be supplied into the flexible duct 10, and the air is supplied to the living room. The gas supply system device is connected to a ground potential, and the grounding function of the gas supply system device is that the connection port 9 is formed of a conductor, so that the entire outer peripheral surface of the connection port 9 has a grounding function. It has become.

The connection port 9 fitted into the opening 1 is adapted to be fitted into the covering portion of the end treatment material 5 inside the opening 1, and the depth of fitting the connection port 9 into the opening 1 is as follows: It is shallower than the covering portion.
For this reason, the conductive portion (outer peripheral surface) 9a of the connection port 9 is not in contact with the inner core material 4 and is connected to the inner core material 4 via the ground wire 6 shown in the first embodiment. The port 9 is electrically connected.

  The ground wire 6 is electrically connected to the inner side surface of the inner core material 4 having conductivity, that is, an aluminum vapor deposition portion, and extends from the connection portion, and is connected to the inside of the end treatment material 5 and the opening 1. It passes between the peripheral surface, the end surface and the outer peripheral surface, and is drawn out from the outer edge of the end treatment material 5. The end portion of the drawn ground wire 6 is electrically connected to the connection port 9 via the contact 7 outside the opening 1.

The ground wire 6 may be electrically connected to the conductive portion of the inner core material 4, that is, the aluminum vapor deposition portion of the inner core material 4 as described above. When it is electrically connected to 4b, it may be connected to the core material 4b.
In addition, when the film 4a is a raw material which does not have electroconductivity, it is desirable to connect to the core material 4b. This is because the antistatic effect is enhanced if the conductor is grounded.

  In addition, there are two types of air ions, positive ions and negative ions. When they collide with each other, the charge is neutralized. To further improve the air ion transport capability, the inner surface of the duct must be smoothed. By smoothing the air flow, the probability of collision can be reduced and the reduction of air ions can be reduced.

  As a smoothing technique, means for making the pitch of the coiled core material 4b appropriate is effective. If the pitch of the core material 4b is increased, the inner surface of the inner core material 4 approaches a smooth one. However, in the case of the flexible duct 10, since the duct is arranged in a bent state, The appropriate pitch should be determined in consideration of the smoothness of the inner surface.

For example, in the flexible duct 10 having a diameter (inner diameter) of 100φ, if the pitch of the steel wire (steel plate) constituting the core material 4b is set to 15 mm to 75 mm, good results have been obtained by experiments.
In the flexible duct 10 having a diameter (inner diameter) of 75φ, if the pitch of the steel wire (steel plate) constituting the core material 4b is set to 10 mm to 60 mm, good results have been obtained by experiments.
Further, in the flexible duct 10 having a diameter (inner diameter) of 50φ, if the pitch of the steel wire (steel plate) constituting the core material 4b is set to 5 mm to 45 mm, good results have been obtained by experiments.

Example 2 is shown in FIG. The connection structure of the gas conveying duct of Example 2 is a conductive film shown in FIG. 3A on the surface side of the end treatment material 5 made of an insulating material of the flexible duct 10 shown in Example 1 above. Alternatively, the conductive layer 5a is formed by attaching a sheet.
The conductive layer 5a may be formed by, for example, attaching a conductive tape to the surface of the end treatment material 5, or by other methods for forming a conductive film, for example, Alternatively, it may be formed by a metal deposition process or the like.
The conductive layer 5 a reaches the inside of the opening 1 along the end treatment material 5 and comes into contact with the conductive portion (outer peripheral surface) 9 a of the connection port 9 fitted in the opening 1.

  A through pin 8 that penetrates the inner core material 4 and the conductive layer 5a in the front and back direction of the opening 1 is provided, and the through pin 8 is connected to the inner core material 4 and the conductive layer 5a at the contacts 8a and 8b shown in the drawing, respectively. The inner core material 4 and the conductive layer 5a are electrically connected via the through pin 8.

With the above configuration, when the connection port 9 is fitted into the opening 1, the conductive portion 9a of the connection port 9 comes into contact with the conductive layer 5a and becomes conductive. Further, the conductive layer 5 a is electrically connected to the inner core material 4 through the through pin 8. That is, the conductive layer 5 a functions as the ground wire 6, and the member having the conductivity of the inner core material 4, that is, the aluminum vapor deposition portion or the core material 4 b of the film 4 a of the inner core material 4 is connected to the connection port 9. It is connected to the ground potential of the conductive portion 9a.
In addition, this Example 2 is applicable when the film 4a of the said inner core material 4 is an electroconductive thing given aluminum vapor deposition etc. as mentioned above.

Example 3 is shown in FIG. The connection structure of the gas conveying duct of the third embodiment is the inside of the end treatment material 5 in place of the through pin 8 that electrically connects the conductive layer 5a and the inner core material 4 shown in the second embodiment. The edge is folded and attached to the inner peripheral surface side of the opening 1 together with the conductive layer 5a, and the inner core material 4 and the conductive layer 5a are electrically connected via the folded portion of the conductive layer 5a. is there.
In addition, even if this folding | returning position is an edge in the opening part 1 as shown in FIG.3 (b), other positions, for example, the edge of the said opening part 1, and the edge of the edge process material 5 Any position may be provided between the edges.

When the end treatment material 5 is attached to the opening 1, the conductive layer 5 a and the inner core 4 are already electrically connected via the folded portion. If the connection port 9 is fitted, the inner core material 4 is easily conducted to the connection port 9 and grounded. That is, as in the second embodiment, the conductive layer 5a functions as the ground wire 6, and the conductive member of the inner core member 4, that is, the aluminum vapor deposition portion of the film 4a of the inner core member 4 or the core member 4b. The connection portion 9 is connected to the ground potential of the conductive portion 9a.
This Example 3 can also be applied when the film 4a of the inner core material 4 has electrical conductivity such as aluminum vapor deposition as described above.

  Example 4 is shown in FIG. The connection structure of the gas conveying duct of the fourth embodiment is replaced by the inner core material instead of the through pin 8 that electrically connects the conductive layer 5a of the flexible duct 10 and the inner core material 4 shown in the second embodiment. The end 4c of the metal core 4b constituting the wire 4 is pulled out to the outside of the opening 1 and electrically connected to the conductive portion 5a at the contact 4d.

  Example 5 is shown in FIG. In the gas transport duct installation structure of the fifth embodiment, the ground wire 6 is directly connected between the flexible duct 10 and a portion having a ground function other than the connection port 9 without passing through the conductive portion 9a of the connection port 9. It is connected via. One of the connection portions of the ground wire 6 is a member having conductivity of the flexible duct 10 or a member electrically connected to the flexible duct 10, and the other has a grounding function such as a wall surface shown in the figure or the ground. What is necessary is just to make it the part which has. In this way, when the connection port of the device is made of resin that does not have conductivity, the connection port has conductivity but does not have a ground function, or the connection port has a conductive property. It is possible to cope with the possibility of disconnection of the power and ground functions.

Cutting front view of one embodiment Explanatory diagram showing the configuration of the air conditioning system (A) (b) (c) is a cut front view showing another embodiment, respectively. Cutting front view showing another embodiment Cutting front view of conventional example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening part 2 Outer coating | cover material 3 Thermal insulation material 4 Inner core material 4a Film 4b Core material 4c End part 4d Contact 5 End part processing material 6 Ground wire 7, 8a, 8b Contact 8 Through-pin 9 Connection port 10 Duct 11 Intermediate fan 12 Branch box 14 Air outlet A Air conditioner

Claims (12)

In the installation structure of the gas transport duct 10 that is used in a gas supply system having an air ion generation function and includes a conductive member,
A gas transport duct installation structure, wherein the conductive member of the gas transport duct 10 is connected to a ground potential. In a connection structure between a gas supply system device having an air ion generation function and a gas transport duct 10 having a conductive member,
The gas supply system device is provided with a ground function, and the conductive member of the gas transport duct 10 connected to the gas supply system device is connected to the ground potential of the gas supply system device. Connection structure for gas transport duct.   The said gas supply system is an air conditioning system provided with the air ion generator, The connection structure of the duct for gas conveyance of Claim 2 characterized by the above-mentioned.   The gas supply system device is provided with a connection port 9, the connection opening 1 of the gas transfer duct 10 is fitted into the connection port 9, and gas can be supplied into the gas transfer duct 10. 3. The grounding function of the device is provided in the conductive portion 9a of the connection port 9, and the conductive member of the gas transport duct 10 is connected to the ground potential of the conductive portion 9a. Or the connection structure of the duct for gas conveyance of 3.   The conductive member of the gas transport duct 10 is connected to the ground potential in contact with the conductive portion 9a by fitting the connection opening 1 of the gas transport duct 10 into the connection port 9. The connection structure of the duct for gas conveyance of Claim 4 characterized by these.   The gas conveying duct 10 is formed by covering the outer side of the inner core material 4 having a conductive member with a heat insulating material and / or a heat insulating material, and the conductive portion 9 a is provided on the outer periphery of the connection port 9. 6. The conductive member of the inner core member 4 is in contact with the conductive portion 9a by fitting the connection opening 1 of the duct 10 to the outer periphery of the connection port 9. The connection structure of the duct for gas conveyance as described in 2. The gas conveying duct 10 is formed by covering the outer side of the inner core material 4 having a conductive member with a heat insulating material and / or a heat insulating material, and the end face and inner and outer peripheral surfaces of the connection opening 1 are electrically conductive. Covered with the end treatment material 5 having the property, the end treatment material 5 comes into contact with the conductive member of the inner core material 4,
By fitting the connection opening 1 to the connection port 9, the end treatment material 5 comes into contact with the conductive portion 9 a, and the member having conductivity of the inner core material 4 has the end treatment material 5. The gas transport duct connection structure according to claim 4, wherein the gas transport duct connection structure is connected to a ground potential via the gas transport duct. The gas conveying duct 10 is formed by covering the outer side of the inner core material 4 having a conductive member with a heat insulating material and / or a heat insulating material, and insulating the end surface and inner and outer peripheral surfaces of the connection opening 1. Covered by the end treatment material 5 made of a material, the connection port 9 is adapted to be fitted into a covering portion by the end treatment material 5;
5. The conductive member of the inner core member 4 is connected to the ground potential of the conductive portion 9a via a ground wire 6 drawn outward from the conductive member. The connection structure of the duct for gas conveyance as described in 2.   The ground wire (6) passes between the end treatment material (5) and the end surface and inner / outer peripheral surface of the opening (1), and is drawn from the outer edge of the end treatment material (5). The connection structure of the duct for gas conveyance of 8. The ground wire 6 is a conductive layer 5 a provided on the surface of the end treatment material 5, and the conductive layer 5 a comes into contact with the conductive portion 9 a by fitting the connection opening 1 into the connection port 9. And
The conductive layer 5a of the end treatment material 5 and the conductive member of the inner core material 4 include a folded portion obtained by folding the end treatment material 5 together with the conductive layer 5a toward the inner peripheral surface of the opening 1. The gas transport duct connection structure according to claim 8, wherein the gas transport duct connection structure is electrically connected to each other. The ground wire 6 is a conductive layer 5 a provided on the surface of the end treatment material 5, and the conductive layer 5 a comes into contact with the conductive portion 9 a by fitting the connection opening 1 into the connection port 9. And
The conductive layer 5a of the end treatment material 5 and the conductive member of the inner core material 4 are electrically connected via a through pin 8 having conductivity that penetrates the inner core material 4 and the conductive portion 5a. The gas transport duct connection structure according to claim 8, wherein the gas transport duct connection structure is connected. The ground wire 6 is a conductive layer 5 a provided on the surface of the end treatment material 5, and the conductive layer 5 a comes into contact with the conductive portion 9 a by fitting the connection opening 1 into the connection port 9. And
The inner core material 4 is composed of a resin film 4a and a coil-shaped conductive core material 4b that supports the film 4a so as to be bent, and the end portion of the core material 4b is drawn to the outside of the opening 1. The gas transport duct connection structure according to claim 8, wherein the connection structure is electrically connected to the conductive layer 5a.

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