JP3364192B2 - Hot air heater with forced air supply and exhaust - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a forced air supply / discharge type warm air heater for discharging combustion gas to the outside and supplying combustion air from the outside. Things. 2. Description of the Related Art Conventionally, in this type, as disclosed in, for example, Japanese Utility Model Registration No. 2582273, a supply / exhaust passage is formed on the back side of the appliance body of a combustion apparatus. By connecting the supply / exhaust pipe with a heavy pipe structure to the exhaust pipe and the air supply pipe extended from the appliance body side, exhaust gas is discharged to the outside and combustion air is supplied from outside, and further, By blowing indoor air by a propeller fan provided on the back, warm air heating is performed without polluting indoor air. [0003] In this conventional apparatus, the connection between the terminal of the air supply / exhaust tube and the air supply / exhaust pipe is located at the back of the appliance body. The main propeller fan and the fan guard for protecting this fan protrude greatly from the back, so the equipment main body and the wall are largely separated from each other, and the space for installation is large, and it cannot be said that effective use of the space can be measured. There is a problem that there is a problem, and there is also a problem that dust accumulates in the gap between the appliance body and the wall. To prevent this, there is a method of attaching a cover or the like above, but the number of parts is large. The problem of becoming expensive also newly occurred. In order to solve the above-mentioned drawbacks, the present invention focuses on this point. In particular, the present invention employs a structure in which exhaust gas after combustion and air supply for combustion are provided through through holes in a wall. And a terminal portion connected to an exhaust pipe and an air supply pipe on the instrument body side of the air supply / exhaust pipe is connected to the instrument. Along with being housed in the frame of the main body, a warm air fan having an inflow port on the back side of the frame is constituted by a cross-flow fan and disposed at the top of the frame , and blown from the upper side to the lower side , Further, the outer periphery of the supply and exhaust cylinder
The front and rear movement to fix the supply / exhaust cylinder penetrating the wall inside the room
Equipped with a movable flange that can be moved
The distance from the wall of the instrument body can be adjusted by moving
It was done. [0005] A terminal portion 10 of one of the air supply / exhaust tubes 1 divided into two front and rear portions is housed in a housing chamber 15 in a frame body 14 of a tool body 13 and extends from a heat exchanger 18. The exhaust pipe 16 is connected to the exhaust port 11 of the terminal section 10 and the air supply pipe 17 from the combustion fan 26 is connected to the terminal section 1.
0, and is moved together with the appliance body 13 in this state, and after inserting the air supply / exhaust tube 1 into the through hole 3 of the wall 2 that has been opened in advance, from the outdoor side to the other end side. The installation is completed when the air supply / exhaust tube 1 is inserted and connected. The hot air fan 34 for discharging hot air is constituted by a cross flow fan and is located at the upper part in the frame 14, so that the rear surface is not refreshed without protruding to the back of the apparatus body 13, and the back is refreshed. The room air flowing from the rear inlet 36 by the driving of the hot air fan 34 is transferred to the lower heat exchanger 18.
By discharging the hot air from the front outlet 19 through the combustion chamber 38, good hot air heating can be performed without any difference from the related art. Therefore, between the instrument body 13 and the wall 2,
The connection pipe for air supply and exhaust connecting the air supply / exhaust tube 1 and the appliance main body 13 and the hot air fan and this fan guard are neat and neat, and the appliance main body 13 is set perfectly on the wall 2 and the installation space is also small. It is possible to provide a hot air heater that is small and can effectively use space and does not interfere with the space. Moreover, the compactness of the appliance body 13 itself can be measured, and further slimness can be obtained in combination with space saving of installation. Things. Next, a forced supply / exhaust type combustion apparatus according to the present invention will be described with reference to an embodiment shown in the drawings. Reference numeral 1 denotes a supply / exhaust tube provided through a through hole 3 formed in a wall 2 defining an outdoor room and an indoor room, and has a double pipe structure having an exhaust path 4 inside and an air supply path 5 outside. In order to further adjust the length according to the thickness of the wall 2 and simplify the installation, the wall 2 is divided into an outdoor side and an indoor side, and is elastically locked by an elastic locking spring 6. . A discharge port 7 communicating with the exhaust path 4 and a suction port 9 separated by a shielding plate 8 and communicating with the air supply path 5 are formed at the tip of the outdoor side supply / exhaust cylinder 1. Supply / exhaust cylinder 1
Is provided with a terminal portion 10 forming a connection portion, and an exhaust port 11 communicating with the exhaust path 4 and two air supply ports 12 communicating with the air supply path 5 are formed. Reference numeral 13 denotes an appliance body in which a storage chamber 15 for accommodating the terminal portion 10 of the air supply / exhaust tube 1 is formed on one side of the frame body 14, and the supply / discharge chamber which enters the frame body 14 from substantially the center in the vertical direction. The cylinder 1 is communicated through an exhaust pipe 16 and an air supply pipe 17 made of vinyl chloride, burns with the outdoor air sucked through the air supply / exhaust cylinder 1, and uses a plurality of pipes in parallel with the heat of combustion. The outlet 1 on the front side as hot air by the formed heat exchange 18
In addition, the exhaust gas from the exhaust pipe 9 and the exhaust gas after the heat exchange are exhausted to the outside again via the air supply / exhaust tube 1 to perform forced supply / exhaust heating. Further, as shown in FIG. 5, the exhaust pipe 16 is connected to a long connecting pipe 20 fixed to a heat exchanger 18 by an O-ring 2.
1 and is provided so as to be able to move up and down, and is configured to be able to correspond to the position of the supply / exhaust tube 1 that varies depending on the position of the through hole 3, and is connected to the exhaust port 11 at the other end. The portion is fixed by locking between a fixed bead 23 having an O-ring 22 of the exhaust port 11 and a locking bead 24 formed on the exhaust pipe 16 side by an elastic locking metal fitting 25. is there. Reference numeral 26 denotes a combustion fan comprising a turbo fan provided in an empty space below the terminal section 10 of the air supply / exhaust tube 1. In order to reduce the installation space, the connection port 27 at the substantially center is slightly rearward. It is installed obliquely in the front-rear direction, and communicates with the terminal unit 10 through the air supply pipe 17 as described above, and sucks combustion air from outside and supplies it to the vaporization type burner unit 27 through the blowing pipe 28. . Reference numeral 30 denotes a frame 14 for opening the storage chamber 15.
An L-shaped cover frame that constitutes a part of the back from the side of
Concave hole 3 through which air supply / exhaust tube 1 penetrates and can be adjusted up and down
1 is inserted and fixed in the insertion groove 32 of the frame body 14 and the other end is fixed with two screws 33, so that attachment and detachment are easy, and connection work and maintenance of the air supply / exhaust tube 1 are easy. It is something that can be done. Numeral 34 denotes a hot air fan comprising a cross flow fan provided above the heat exchanger 18 and above the frame 14.
Inlet 36 provided with filter 35 at the top rear of frame 14
After passing through the combustion chamber 38 surrounded by the lower heat exchanger 18 and the reflection plate 37, the room air sucked through the air outlet is discharged as warm air from the blow-out port 19. Numeral 34 denotes a device which is installed all over the side of the frame 14 so as to make the entire instrument body 13 thin and compact. Reference numeral 39 denotes a glass cylinder which covers the upper part of the burner portion 29 in the combustion chamber 38 with a hermetically sealed structure, and a cylindrical glowing cylinder 40 which is hung down from above is provided inside. Reference numeral 41 denotes a radiation glass constituting the front surface of the combustion chamber 38. The radiation glass 41 radiates the combustion state of the glowing cylinder 40 forward to take up the heating effect, and is provided with a guard body 42 at the front. Is a movable flange having a female threaded portion 45 screwed into a male threaded portion 44 formed on the outer periphery of the supply / exhaust cylinder 1 on the indoor side and formed to make one revolution in one rotation. The air supply / exhaust cylinder 1 is fixed to the wall 2 by sandwiching the wall 2 with a cushion member 47 therebetween. The thickness of the air supply / exhaust cylinder 1 is gradually increased from the upper thickness to the lower thickness. The slope of the wall 2 of the movable flange 43 is adjusted with the edge of the floor 49 so that rainwater is prevented from entering. Move forward and backward by one rotation Is shall. An operation unit 50 is provided on the right side of the front of the instrument body 13 and has an operation switch 51 above.
Reference numeral 52 denotes a closing plate that closes a gap between the concave hole 31 of the cover frame 30 and the supply / exhaust tube 1. Reference numeral 53 denotes a rubber stopper for closing the air supply port 12 which is not connected to the air supply pipe 17. Next, the operation of the embodiment of the present invention will be described. First, when installing the appliance, the appliance main body 13 and the supply / exhaust tube 1 are connected, and the supply / exhaust tube 1 is fixed to the wall 2. Therefore, the cover frame 30 is removed from the frame body 14, the storage chamber 15 is opened, a work space is secured, and the indoor side supply / exhaust tube 1 divided into two is brought here, and the exhaust of the terminal section 10 is exhausted. An exhaust pipe 16 is connected to the port 11, and an air supply pipe 17 is connected to one of the air supply ports 12. In this state, the air supply / exhaust tube 1 may be inserted into the through hole 3 of the wall 2. Although the height of the hole 3 may be slightly different, the exhaust pipe 16 has a structure which can be freely moved up and down by fitting connection with a longer connection pipe 20 and an O-ring 21, and the air supply pipe 17 is also flexible. Since there is some room for up and down movement because it is made of vinyl chloride, the height adjustment of the through hole 3 can be performed while connected, and the indoor side supply / exhaust tube 1 is accurately connected to the appliance body 1 in a state where the through hole 3 is connected. It can be inserted into Then, if the other divided outdoor air supply / exhaust tube 1 is inserted into the through hole 3 of the wall 2 from the outdoor side, the air supply / exhaust tube 1 is connected in the through hole 3 to be integrated, and After that, if the movable flange 43 is fixed with screws or the like while the wall 2 is sandwiched between the movable flange 43 and the fixed flange 46, the installation of the instrument body 13 and the attachment of the supply / exhaust cylinder 1 are completed. The cover frame 30 finally removed is returned to its original state. The hot-air fan 34 for discharging hot air is constituted by a cross-flow fan and is located at the upper part in the frame 14, so that it does not protrude to the back of the instrument body 13 and the back is refreshing. The room air flowing from the rear inlet 36 by the driving of the hot air fan 34 is transferred to the lower heat exchanger 18.
By discharging the hot air from the front outlet 19 through the combustion chamber 38, good hot air heating can be performed without any difference from the related art. Therefore, between the appliance body 13 and the wall 2,
The connection pipe for air supply and exhaust connecting the air supply / exhaust tube 1 and the appliance main body 13 and the hot air fan and this fan guard are neat and neat, and the appliance main body 13 is set perfectly on the wall 2 and the installation space is also small. It is possible to provide a hot air heater that is small and can effectively use space and does not interfere with the space. Moreover, the compactness of the appliance body 13 itself can be measured, and further slimness can be obtained in combination with space saving of installation. Things. Next, when there is a step due to the thickness of the edging portion 48 between the end surface of the floor 49 and the wall 2 or when it is desired to install the appliance body 13 away from the wall 2, the movable flange 43 is rotated. As a result, the male screw portion 44 on the outer periphery of the supply / exhaust cylinder 1 moves the female screw portion 45 of the movable flange 43 toward the wall 2, and the terminal portion 10 of the supply / exhaust tube 1 is housed in the frame 14 and moves. Even if this is not possible, the distance between the appliance body 13 and the wall 2 can be freely adjusted by allowing the movable flange 43 to move back and forth, and thereafter the movable clamp 43 is fixed to the wall 2 without mistaken upside down. Then, the installation with the appliance body 13 separated from the wall 2 is completed. Therefore, even when the air supply / exhaust tube 1 is housed in the frame 14, the movable flange 43 can be moved back and forth, so that it can be easily mounted according to the installation conditions, and the degree of freedom in installing the equipment is increased. Very easy to use. On the other hand, when the operation switch 51 of the operation section 50 is turned on, the apparatus main body 13 turns on fuel supply means (not shown).
From the outside and the supply of combustion air from outside through the air supply path 5 of the supply / exhaust pipe 1 by driving the combustion fan 26, the burner 29 performs good combustion, and the combustion gas is red-hot. The cylinder 40 is heated, passes through the heat exchanger 18, and is discharged outside again through the exhaust path 4 of the supply / exhaust cylinder 1.
At this time, if the hot air fan 34 is driven as described above, the indoor air is heat-exchanged by the heat exchanger 18 to become hot air, which is discharged from the outlet 19 to heat the room by the hot air and to heat the heated red heat. With the radiant heat of the tube 40, it is possible to satisfactorily heat the room without polluting the indoor air. In this embodiment, the connection with the supply / exhaust tube 1 is described at the place where the device is installed. However, the device body 13 and the supply / exhaust tube 1 are already connected when the device is shipped.
At the installation location, only the adjustment of the alignment between the supply / exhaust tube 1 and the through hole 3 is performed, so that the installation work can be simplified. As described above, according to the present invention, there is no dead space between the wall and the appliance main body for connecting the air supply / exhaust tube, which becomes a garbage pool, and the warm air fan is provided on the back of the appliance main body. Also, since there is no protruding part such as a fan guard, the instrument main body can be installed close to the wall, it can be used effectively without taking up space, and the instrument main body can also protrude indoors The device itself is thin and compact, and it is not obstructive and has a good appearance and a slim feeling. Furthermore, there is a step between the floor end surface and the wall,
Depending on the installation conditions, such as installing the remote from the wall,
The movable flange moves back and forth on the outer periphery of the
Even if the connection part of the air supply / exhaust tube is stored in the
The distance between the instrument body and the wall can be adjusted
The knotting method is extremely simple and easy to use.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a forced supply / exhaust type combustion apparatus to which an embodiment of the present invention is applied. FIG. 2 is a left side view of the same. FIG. 3 is a longitudinal sectional view showing the main part. FIG. 4 is a cross-sectional view showing the main part. FIG. 5 is a cross-sectional view illustrating the exhaust pipe. FIG. 6 is a perspective view of the cover frame. FIG. 7 is an essential part longitudinal cross sectional view showing the installation where a step is formed between the floor end and the wall. FIG. 8 is an essential part cross-sectional view showing a state in which the movable flange is moved back and forth. FIG. 9 is a schematic explanatory view showing the internal structure. [Description of Signs] 1 Supply / exhaust tube 10 Terminal section 13 Instrument body 14 Frame 15 Storage room 16 Exhaust pipe 17 Air supply pipe 34 Hot air fan

Continuation of the front page (56) References JP-A-1-234714 (JP, A) JP-A-5-10541 (JP, A) JP-A-2-21449 (JP, U) JP-A 50-133529 (JP , U) Shokai Sho 55-119542 (JP, U) Shokai Hei 7-32352 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F23L 17/04-17/12 F24H 3/06-3/08 F24H 9/02

Claims (1)

(57) [Claims 1] The exhaust gas after combustion and the air supply for combustion are supplied.
A terminal connected to an exhaust pipe and an air supply pipe of the appliance body side of the air supply and exhaust pipe in a case where the operation is performed from outside through a double pipe structure air supply and exhaust pipe penetrating through a through hole in a wall. Part inside the frame of the instrument body and the back side of the frame.
A hot air fan having an inflow port is composed of a cross-flow fan and is arranged at the top of the frame ,
And a supply / exhaust cylinder penetrating a wall around the outer periphery of the supply / exhaust cylinder.
Equipped with a movable flange that can move back and forth to fix
By moving this movable flange back and forth,
Forced feeding characterized in that the distance from the wall can be adjusted
Exhaust air heater.