JP4848472B2 - Method for separating first and second casings of air temperature controller - Google Patents

Description

The present invention relates to a method for separating first and second casings of an air temperature controller that is installed under the floor and exchanges heat of sucked air to be supplied indoors.

Conventionally, in order to perform air conditioning in a room, an air temperature controller that includes a fan and a heat exchanger in a housing and sends heated or cooled air to the room by rotating the fan by heat exchange in the heat exchanger has been used. Yes.
For example, the air temperature adjuster of Patent Document 1 is installed on the back of a ceiling or the like, exchanges heat of sucked air, and supplies it to each room (room) via a duct. A plurality of ducts are connected to the air temperature controller, and the air outlet side of each duct is arranged in each room, so there is no need to install an air temperature controller in each room to be air-conditioned, A single air temperature controller can cool and heat multiple rooms, reducing the cost of introducing the air temperature controller.
In addition, an air temperature controller may be installed in the underfloor space.

Japanese Patent No. 3744684

However, when an air temperature controller installed under the floor or behind the ceiling breaks down, the operator often needs to take out the air temperature controller from under the floor or behind the ceiling for repair etc. In this case, An operator will take out an air temperature controller from the inspection port provided in the floor board or the ceiling board. And since the size of the inspection port is generally determined, when the air temperature controller is placed under the floor or behind the ceiling, the air temperature controller should be sized to be removed from this inspection port. Cost.

On the other hand, this air temperature controller is supposed to heat and cool multiple rooms with one unit, and in order to secure a certain amount of temperature adjustment capacity, the physical size of the air temperature controller should be Since it is necessary to increase the size, the entire air temperature controller does not necessarily have a size that can pass through the inspection port.
This invention is made | formed in view of this situation, and it aims at provision of the separation method of the 1st, 2nd housing | casing of the air temperature controller which can be taken out from under the floor through an inspection port.

The method for separating the first and second casings of the air temperature controller according to the present invention that meets the above-described object is the method of heating or cooling the sucked air with a heat exchanger disposed in the first casing to perform heat exchange. A method for separating the first and second casings of the air temperature controller disposed under the floor, wherein the air is exhausted by a fan disposed in the second casing and supplied into the room. The second housing includes first and second connecting portions that abut against each other via a sealing material, and one of the vertical portions arranged vertically on both sides of the first and second connecting portions is connected by a hinge. In this state, the screws that fix the other of the vertical portions vertically arranged on both sides of the first and second connecting portions with screws are removed, and the first and second housings are horizontally arranged around the hinges. The screw which is attached to the hinge is removed from the opening side of the first and second housings by rotating in the direction to open. , To separate the first, the second housing.

In the method for separating the first and second casings of the air temperature controller according to the present invention, the first casing is provided with a storage chamber in which the head of the screw is disposed. Preferably, the board cover is attached, and the screw is removed after the board cover is removed .

The method for separating the first and second casings of the air temperature controller according to claim 1 and 2 comprises the first and second casings, and the vertical portions of the first and second connecting portions by the hinges. One connection state can be removed, and the other of the vertical portions of the first and second connection portions is screwed, so that the first and second housings are separated in advance under the floor and taken out from the inspection port. It is possible. In addition, the connection state of one of the vertical portions of the first and second connecting portions can be removed from the opening side where the first and second housings are opened, and the vertical portions of the first and second connecting portions. Can be removed from the position where the other screw fixing is removed, so that the first and second housings can be separated by work from one direction, and the first and second in a space where the height under the floor is limited. It is possible to efficiently perform the separation work of the housing.
Further, since the hinge is removably screwed from the opening side of the first and second housings in the opened state, the other screw fixing of the vertical portion of the first and second connecting portions is removed. It is possible to remove the hinge screw from the position and to efficiently separate the first and second housings by work from one direction .

First claim 2 air temperature conditioner according The method for separating the second housing, the housing chamber, so board cover is mounted, dust Ya to an electronic circuit board mounted in the housing chamber Insects can be prevented from entering, and the screw head is disposed in the storage portion, so that the other vertical portion of the first and second connecting portions can be screwed with the substrate cover removed. bis removal work industry lines Ukoto for fixing are possible, further, the order is the head of the screw does not touch directly the ambient air, condensation on the head of the screw without performing special insulation treatment bis occur Can be prevented.

It is explanatory drawing which abbreviate | omitted one part which shows the state which isolate | separated the air temperature controller to which the isolation | separation method of the 1st, 2nd housing | casing of the air temperature controller which concerns on one embodiment of this invention is applied . (A), (B) is a perspective view of the air temperature controller. It is a side view of the air temperature controller. It is a schematic explanatory drawing of the air temperature control system using the air temperature controller.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
As shown in FIGS. 1-4, the air temperature controller 10 to which the separation method of the 1st, 2nd housing | casing of the air temperature controller which concerns on one embodiment of this invention is applied is the outdoor unit 11 ( In the heat exchanger 13 connected to the box-shaped housing 12 connected to the case (see FIG. 4), the air sucked from the suction port 14 is heat-exchanged to be heated or cooled, and the heat-exchanged air is heated in the housing 12 The sirocco fan 15, which is an example of a fan attached to the fan, is discharged from the outlet 16 and supplied to the room by rotation.

As shown in FIG. 4, an air temperature controller 10, an outdoor unit 11 that vaporizes or liquefies the refrigerant and sends it to the heat exchanger 13, an input operation that requires the outdoor unit 11 to vaporize or liquefy the refrigerant, and a sirocco fan There is provided an air temperature control system 51 including an operation panel 50 on which an input operation for controlling the rotation of 15 is performed. In addition, although the air temperature controller 10 is arrange | positioned under a floor, it is also possible to arrange | position to the ceiling back.

As shown in FIGS. 1 to 3, the casing 12 of the air temperature controller 10 includes first and second casings 21 and 22 that can be separated, and the first and second casings 21 and 22 are separated from each other. The first and second connecting portions 18 and 19 are in contact with each other via a sealing material 17 (for example, rubber packing).
The first housing 21 is provided with a plurality of suction ports 14 and a heat exchanger 13 through which air sucked from the suction ports 14 passes, and the second housing 22 passes through the heat exchanger 13. The sirocco fan 15 that sends out the heat-exchanged air and the air outlet 16 that discharges the air to the outside of the second housing 22 by the rotation of the sirocco fan 15 are arranged.

A plurality of, for example, three sirocco fans 15 are attached to the second casing 22, and the same number of outlets 16 as the sirocco fans 15 are provided. Each sirocco fan 15 corresponds to one air outlet 16, and the amount of air per unit time discharged from the corresponding air outlet 16 can be adjusted by changing the rotational speed of each sirocco fan 15. .
Further, the first and second casings 21 and 22 are made of iron, aluminum, etc., and the outside is covered with a heat insulating material (not shown), so that the air contained in the first and second casings 21 and 22 is present. Is prevented from undergoing large temperature changes due to outside air.

The first connecting portion 18 of the first housing 21 includes a portion that is horizontally disposed with a gap above and below, and a first vertical portion 23 that is vertically disposed on both right and left sides that connect both end portions of the portion. , 24, and the second connecting portion 19 of the second housing 22 is vertically arranged on the left and right sides connecting the part horizontally arranged with a gap above and below, and both ends of the part. Second vertical portions 25, 26. The first vertical portion 23 and the second vertical portion 25 which are one of the vertical portions are connected by a hinge 27, and the first vertical portion 24 and the second vertical portion 26 which are the other of the vertical portions are Screwed with a plurality of screws 28.
The hinge 27 is fixed in the vicinity of the first vertical portion 23 of the first housing 21 by a fixing bracket such as a rivet, and fixed by a screw 29 in the vicinity of the second vertical portion 25 of the second housing 22 ( Screw installed).

Here, in the first and second casings 21 and 22, the screws 28 are removed from the first and second vertical parts 24 and 26, and the hinges 27 are connected to the first and second casings 21 and 22. In a state of being fixed to 22, the hinge 27 can be opened and closed in the horizontal direction around the center (axis). Further, the screw 29 fixing the hinge 27 to the second housing 22 opens the first and second housings 21 and 22, that is, the first and second vertical portions 24. , 26 is detachably attached to the inside of the second housing 22 so that the head of the screw 29 is positioned, so that the first and second vertical portions 23, 25 by the hinge 27 are attached. The connected state can be removed from the opening side where the first and second casings 21 and 22 are opened. The hinge 27 has a rectangular connecting plate 31 fixed to the second housing 22 by a screw 29.
Further, the sealing material 17 has a through hole through which the screw 28 and the like pass in a state where the first and second casings 21 and 22 are connected.

As shown in FIGS. 1, 2 </ b> A, and 2 </ b> B, the first housing 21 is provided with a storage chamber 32 for mounting an electronic circuit board 30 that controls the rotation of the sirocco fan 15. A substrate cover 34 fixed by a screw 33 is attached. By attaching the substrate cover 34 to the storage chamber 32, dust and insects are prevented from entering the storage chamber 32. The head of the screw 28 that fixes the first and second vertical portions 24 and 26 is disposed inside the storage chamber 32, and the screw 28 is in a state where the substrate cover 34 is removed from the storage chamber 32. It can be removed from the first and second casings 21 and 22.

The sirocco fan 15 has a cord 35 that transmits an electrical signal from the electronic circuit board 30, and a connector 36 is attached to the tip of the cord 35. The electronic circuit board 30 is provided with an insertion member 37 into which the connector 36 is inserted, corresponding to each sirocco fan 15, and the connector 36 is connected with the board cover 34 removed from the storage chamber 32. It can be removed from the insert member 37. A fixing plate 38 in which the cord 35 is disposed is screw-fixed to the second vertical portion 26 by some of the screws 28.

As shown in FIGS. 2 (A), 2 (B), and 4, gas pipes 40 that send the refrigerant that has been made into a high-temperature and high-pressure gas state by the outdoor unit 11 to the heat exchanger 13, Liquid pipes 41 that send the refrigerant that has been condensed into a liquid state to the heat exchanger 13 are connected to the outdoor unit 11 and the heat exchanger 13, respectively. When heating the room, high-temperature and high-pressure gas refrigerant is sent from the outdoor unit 11 to the heat exchanger 13 through the gas pipe pipe 40, and heat is applied to the air sucked from the suction port 14 by the heat exchanger 13. The liquid is supplied and cooled, and returns to the outdoor unit 11 through the liquid pipe 41. When the room is cooled, the liquid refrigerant is sent from the outdoor unit 11 to the heat exchanger 13 through the liquid pipe 41 and cools the air sucked from the suction port 14 by the heat exchanger 13. The gas state is returned to the outdoor unit 11 through the gas pipe piping 40.

The outdoor unit 11 and the operation panel 50 are signal-connected to the electronic circuit board 30, and when the operation panel 50 performs an input operation for requesting a change in room temperature, a change in air volume, or the like on the operation panel 50, A predetermined signal is transmitted to the electronic circuit board 30 of the air temperature controller 10. When the electronic circuit board 30 receives the indoor temperature change signal from the operation panel 50, the electronic circuit board 30 transmits a predetermined signal to the outdoor unit 11 (more precisely, the electronic circuit board (not shown) of the outdoor unit 11).
The operation panel 50 includes a display unit that displays a set temperature and air volume in the room, a switch that performs each operation, and the like. The electronic circuit board of the outdoor unit 11 and the electronic circuit board 30 of the air temperature controller 10 are For example, the electronic circuit board ROM of the outdoor unit 11 is configured to include a CPU, a ROM, and the like, and a program for controlling the operation of the outdoor unit 11 is installed. The ROM of the electronic circuit board 30 includes each sirocco fan 15. A program to control the rotation of the is installed.

As shown in FIG. 3, the suction port 42 of the air temperature adjuster 10 has a suction duct 42 that takes in air from the inside or outside of the room through the suction port 14 into the first housing 21 by a band 43. Installed. In addition, a blowout duct 44 that reaches the room to be air-conditioned is attached to the air outlet 16 of the air temperature adjuster 10 by a band 45, and the rotation of the sirocco fan 15 allows the blowout duct 44 from the room or the outside to pass through the suction duct 42. The air taken in and heat-exchanged by the heat exchanger 13 is supplied to each room through the blowout duct 44.

Next, a process of taking out the air temperature controller 10 from an inspection port provided in the floor board when a failure or the like occurs in the air temperature controller 10 disposed under the floor will be described.
The air temperature controller 10 has a size of, for example, 800 mm in a range of 650 to 800 mm in length and width in a state where the first and second casings 21 and 22 are connected, and a size of 350 mm in a range of 300 to 350 mm in height. Is formed.

The height (350 mm) of the air temperature adjuster 10 is the height adjustment member 46 (FIGS. 2A, 2B, and FIG. 2) of the air temperature adjuster 10 disposed at the four corners of the lower portion of the housing 12. 3) is the height of the state attached to the housing 12.
The height adjusting member 46 is arranged to have a gap of, for example, 30 mm between the housing 12 and the installation surface (ground), and the gap can be changed within a range of 10 to 50 mm.
The inspection port is generally formed in a square of 600 mm, and the first and second casings 21 and 22 are separated and have substantially the same size and pass through the inspection port. It is a size.

The air temperature controller 10 is arranged under the floor so that the mounting position of the substrate cover 34 is close to the inspection port, and an operator who wants to take out the air temperature controller 10 from the inspection port under the floor. The air temperature controller 10 can approach the side on which the substrate cover 34 is mounted. Here, the height under the floor is generally 380 mm, and if the height of the air temperature controller 10 is 350 mm, the operator connects the first and second casings 21 and 22. In this state, it is difficult to turn the hand from the side where the substrate cover 34 of the air temperature controller 10 is mounted to the side where the hinge 27 is disposed.
Further, the suction duct 42, because of the blow out duct 44, the operator, although not impossible to move the body side hinge 27 is arranged, it is difficult.
Therefore, if an operator approaching the air temperature controller 10 can separate the first and second housings 21 and 22 by work from the side on which the substrate cover 34 is mounted, the space in the limited space is limited. Separation work of the first and second casings 21 and 22 is facilitated.

In the process of separating the first and second casings 21 and 22, first, the bands 43 and 45 are loosened to remove the suction duct 42 and the blowout duct 44 from the suction opening 14 and the blowout opening 16, respectively, and the substrate cover. The screw 33 for fixing 34 is removed, and the substrate cover 34 is removed from the storage chamber 32.
Next, the connector 36 inserted into the insertion member 37 provided on the electronic circuit board 30 is removed, and the screw 28 connecting the first and second vertical portions 24 and 26 is removed. Here, the operator can easily remove the connector 36 from the insertion member 37 without using a tool or the like.

Then, the first and second casings 21 and 22 are rotated and opened in the horizontal direction, and the screws 29 fixing the hinges 27 to the second casing 22 are removed, whereby the first, Since the second casings 21 and 22 can be separated, the operator completes the separation of the first and second casings 21 and 22 only by work from the side on which the substrate cover 34 is mounted. It is possible.

After the process of separating the first and second casings 21 and 22 is completed, the operator can pull out the separated first and second casings 21 and 22 from the inspection port. If it is difficult for the first and second casings 21 and 22 to pass through the inspection port with the height adjustment member 46 attached due to physical size limitations, the height is previously increased under the floor. The height adjusting member 46 can be removed from the first and second casings 21 and 22, and the first and second casings 21 and 22 can be pulled out from the inspection port, respectively.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all changes in conditions and the like that do not depart from the gist are within the scope of the present invention.
For example, the hinge may be screwed to the first housing and fixed to the second housing with a fixing bracket such as a rivet, or may be screwed to each of the first and second housings. Good. Further, the hinge is configured to have two hinge pieces that maintain a connected state when the hinge makes an angle less than a predetermined angle (for example, 90 degrees) and is separated when the hinge becomes a predetermined angle or more. Each hinge piece is fixed to the second casing, one of the vertical portions of the first and second connecting portions is connected, and the first and second casings are provided with the connecting portion of the two hinge pieces as an axis. Can be opened at a predetermined angle or more, and the first and second housings can be separated by separating the hinge pieces.
Further, the suction duct and the blowout duct can be respectively attached to the suction opening and the blowout opening by aluminum tape instead of the band.

10: Air temperature controller, 11: Outdoor unit, 12: Housing, 13: Heat exchanger, 14: Suction port, 15: Sirocco fan, 16: Air outlet, 17: Sealing material, 18: First connecting part , 19: second connecting portion, 21: first housing, 22: second housing, 23, 24: first vertical portion, 25, 26: second vertical portion, 27: hinge, 28 : Screw, 29: Screw, 30: Electronic circuit board, 31: Connecting plate, 32: Storage chamber, 33: Screw, 34: Board cover, 35: Cord, 36: Connector, 37: Insertion member, 38: Fixing plate 40: Gas pipe piping, 41: Liquid pipe piping, 42: Suction duct, 43: Band, 44: Blowing duct, 45: Band, 46: Height adjusting member, 50: Control panel, 51: Air temperature control system

Claims (2)

The suctioned air is heated or cooled by a heat exchanger disposed in the first housing, and the heat-exchanged air is exhausted by a fan disposed in the second housing and supplied indoors, and is disposed under the floor. A method for separating the first and second housings of the air temperature controller,
Each of the first and second housings includes first and second connecting portions that are in contact with each other via a sealing material, and one of the vertical portions arranged vertically on both sides of the first and second connecting portions is provided. In a state where the first and second connecting portions are connected to each other by a hinge, a screw that screw-fixes the other of the vertical portions arranged vertically on both sides of the first and second connecting portions is removed, and the first and second housings are attached to the hinge. The first and second casings are opened by rotating horizontally around the shaft and removing the screws to which the hinges are screwed from the opening sides of the first and second casings. Separating the first and second casings of the air temperature controller. 2. The method of separating the first and second casings of the air temperature controller according to claim 1, wherein the first casing is provided with a storage chamber in which the screw head is disposed, and the storage chamber The method for separating the first and second casings of the air temperature controller is characterized in that a board cover is attached and the screw is removed after the board cover is removed.

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