JP5515565B2 - Cabin and combustion heater installation method - Google Patents

Description

  The present invention relates to a method for attaching a combustion heater for heating the interior of a cabin body of a vehicle, and a cabin equipped with a combustion heater.

  Conventionally, a combustion heater has been used to warm the interior of a cabin body of a vehicle. The combustion heater heat-exchanges the combustion gas generated by burning the fuel taken from the fuel tank on the vehicle side and the air sucked from the cabin body, and the air heated by the heat exchanger circulates. Warm the cabin body.

When mounting a combustion heater, conventionally, for example, after removing the passenger seat installed in the cabin body, cutting out the cab metal on the floor where the combustion heater is installed, and then attaching a dedicated bracket to the combustion heater body And piping parts were attached and fixed to the cabin body, and an intake pipe and an exhaust pipe (hot air outlet pipe) were routed outside the room.
As described above, the combustion heater has a high heating capacity, but has a large number of mounting steps such as wiring of piping parts, and is not easy to mount.

  Therefore, Patent Document 1 discloses a transport vehicle in which a driver's seat and a passenger seat are provided on the left and right sides of a cabin body, and a combustion heater equipped with a blower is disposed behind the passenger seat in the cabin body. Heating systems have been proposed.

Moreover, although it is not a combustion type heater, patent document 2 and patent document 3 are proposed about mounting of the air conditioner in a vehicle.
Patent Document 2 discloses an air conditioner for a small bulldozer in which a mounting bracket is provided so as to protrude from the rear portion of a cabin body, and an air conditioner box is placed on the bracket so that an air conditioner unit is installed.
Patent Document 3 discloses a vehicle air conditioner in which an air conditioning unit that air-conditions the cabin main body by blowing temperature-controlled conditioned air from a blowout opening is installed on the roof of the vehicle.

  Further, the applicant of the present application discloses in Patent Document 4 that a cold storage regenerative air conditioner for parking a vehicle having a cold storage panel unit that is supported by a weatherstrip instead of window glass at a window opening of the cabin main body. An apparatus is disclosed.

JP-A-2005-082002 Utility Model Registration No. 2584374 JP 2005-125896 A Japanese Patent No. 3465400

However, in the heating system for a transport vehicle described in Patent Document 1, a combustion heater is installed behind the passenger seat, and the combustion heater is burned inside the cabin body. Ventilation is necessary and inconvenient. Moreover, in order to install a combustion type heater, the hole which loosely inserts piping containing an intake pipe and an exhaust pipe must be provided in a vehicle interior, and a man-hour takes.
The air conditioner for the small bulldozer described in Patent Document 2 requires a space for externally attaching the air conditioner to the cabin body, and may not be installed depending on the vehicle specifications.

In addition, in the vehicle air conditioner described in Patent Document 3, it is necessary to increase the strength of the roof or ceiling of the cabin body in order to install the air conditioner, and the roof or ceiling of the cab metal that is the skeleton of the cabin body. The part has to be processed and man-hours are required.
Furthermore, since the cold storage air conditioning system for parking a vehicle described in Patent Document 4 is not a combustion heater, it cannot be applied to the installation of a combustion heater having a large number of pipes including an intake pipe and an exhaust pipe. .

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for attaching a combustion heater that can easily attach a combustion heater and eliminate ventilation, and a cabin equipped with the combustion heater. .

The cabin according to the present invention constitutes a part of the cabin main body, a weather strip mounted along an edge of an opening formed on the back surface of the cabin main body, and the weather strip. As described above, a support plate attached to the opening, a combustion heater disposed outside the cabin body and supported by the support plate, and a cabin body disposed inside the cabin body, the cabin body An air inlet for introducing the air, a hot air outlet that is disposed inside the cabin main body and sends the air heated by the combustion heater to the cabin main body, and passes through the support plate, and the combustion heater An intake pipe that communicates with the intake port, and a hot air outlet pipe that passes through the support plate and communicates with the combustion heater and the hot air outlet. And an outlet and the air inlet is located inside the rear of the cabin body, and, the temperature air blowing port is arranged in the vehicle traveling direction left with respect to the intake port, the intake port and the temperature air blowing outlet, said support plate It characterized that you have provided obliquely respectively to the side surface direction of the cabin body relative.

According to the above-described cabin, the combustion heater can be attached without processing the cab metal by attaching the support plate for supporting the combustion heater to the opening of the cabin body via the weather strip.
Therefore, the combustion heater can be easily attached. In addition, the combustion heater can be disposed outside, and ventilation of the air inside the cabin body is not necessary.

A stopper having a base end portion disposed inside the cabin main body and fixed to a surface of the support plate on the cabin main body side, and a front end portion projecting from the base end portion toward the weather strip; Further, it may be provided.
Thereby, the support plate which supports a combustion type heater can be fixed with a weather strip, and it can prevent that a support plate falls.

The method of mounting a combustion heater according to the present invention is a method of mounting a combustion heater that introduces air from a cabin main body through an intake pipe, heats the air, and then sends the air to the cabin main body through a hot air blowing pipe. A step of attaching to the support plate for supporting the combustion heater so that the intake pipe and the hot air outlet pipe penetrate, and the hot air outlet and the intake port are located on the inner rear side of the cabin body. The hot air outlet is disposed on the left side of the intake port in the vehicle traveling direction, and the intake pipe and the hot air outlet are arranged in the cabin main body with respect to the support plate. wherein as is inclining laterally cabin body, a step of connecting the intake pipe and the temperature air blowing extraction pipe to the combustion heater is formed on a rear surface of the cabin body Te Along the edge of the opening, characterized in that it comprises a step of attaching the support plate to the weather strip to be attached.

According to the above-described method for attaching the combustion heater, the combustion heater can be attached without processing the cab metal by attaching the support plate for supporting the combustion heater to the opening of the cabin body via the weather strip. it can.
Therefore, the combustion heater can be easily attached. In addition, the combustion heater can be disposed outside, and ventilation of the air inside the cabin body is not necessary.

  According to the present invention, the combustion heater can be attached without processing the cab metal by attaching the support plate for supporting the combustion heater to the opening of the cabin body via the weather strip. Therefore, the combustion heater can be easily attached. In addition, the combustion heater can be disposed outside, and ventilation of the air inside the cabin body is not necessary.

It is a figure explaining the cabin which concerns on this invention, (a) is a side view, (b) is a principal part enlarged view of the back surface of a cabin main body. It is a figure explaining the combustion unit attached to the cabin which concerns on this invention, (a) is the sectional view on the AA line of FIG. 1, (b) is the sectional view on the BB line of FIG. It is a systematic diagram which shows the electrical system of the cabin which concerns on this invention. It is a figure explaining the flow of the air in a cabin main body. It is a flowchart which shows the attachment procedure of a combustion type heater.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
First, the cabin according to the present invention will be described. FIG. 1A is a side view, and FIG. 1B is an enlarged view of the main part of the back surface of the cabin body.
As shown in FIG. 1A, the cabin 10 includes a cabin main body 11 and a combustion unit 1 having a combustion heater 2.

As shown in FIG. 1 (b), the combustion type unit 1 is configured such that a part of the cabin main body 11 is interposed via a weather strip 14 attached along the edge of the opening 12 formed on the back surface of the cabin main body 11. It attaches to the opening part 12 so that it may comprise.
In addition, as the opening part 12, the existing opening part provided in order to attach plate-shaped members, such as a rear glass, can be used.

  The combustion unit 1 mainly includes a combustion heater 2, an intake pipe 4, a hot air blowing pipe 5, an air intake pipe 6, a combustion gas exhaust pipe 7, and a support plate 8.

  2A and 2B are diagrams for explaining a combustion unit attached to a cabin according to the present invention. FIG. 2A is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 2B is a cross-sectional view taken along the line BB in FIG. .

The combustion heater 2 is integrally attached to the support plate 8 via a bracket 9 as shown in FIG. The combustion heater 2 is preferably provided below the support plate 8 from the viewpoint of lowering the center of gravity of the combustion unit 1 and securely fixing the combustion unit 1.
In the combustion heater 2, the combustion gas generated by burning the fuel and the air introduced from the cabin main body 11 through the intake pipe 4 exchange heat to warm the air. The air heated by the combustion heater 2 is sent into the cabin main body 11 through the hot air blowing pipe 5. In this way, the cabin main body 11 is heated.

As shown in FIG. 1B, the air intake pipe 6 has an air intake port 6 a at the tip, from which combustion air is taken and introduced into the combustion heater 2.
As shown in FIG. 1B, the combustion gas exhaust pipe 7 has a combustion gas exhaust port 7 a at the tip, and discharges the combustion gas generated by the combustion heater 2. Further, the combustion gas exhaust pipe 7 is covered with a cover 7b so that the combustion gas exhaust pipe 7 heated by the exhausted combustion gas is not exposed.

  As shown in FIGS. 1B and 2B, the support plate 8 supports the combustion heater 2, the intake pipe 4, the hot air blowing pipe 5, the air intake pipe 6 and the combustion gas exhaust pipe 7 described above. To do. According to the combustion unit 1, the intake pipe 4, the hot air outlet pipe 5, the air intake pipe 6 and the combustion gas exhaust pipe 7 are supported by the support plate 8 while being connected to the combustion heater 2. The combustion heater 2 can be easily mounted without processing the cab metal that was sometimes required.

At this time, a stopper 16 for fixing the combustion unit 1 so as not to drop from the cabin main body 11 is attached to the support plate 8. The stopper 16 is disposed inside the cabin main body 11, and has a base end portion fixed to the surface of the support plate 8 on the cabin main body side, and a tip end portion protruding from the base end portion toward the weather strip 14.
Here, an example is shown in which the stopper 16 is disposed inside the cabin body 11. However, if the combustion unit 1 is fixed to the cabin body 11, the stopper 16 is disposed outside the cabin body 11. May be.

  As the support plate 8, fiber reinforced plastic can be used. Thereby, the combustion heater 2 can be reliably supported without increasing the weight of the cabin main body 11 with light weight and high strength.

As shown in FIG. 2A, the intake pipe 4 has an intake port 4a at the tip, and communicates between the combustion heater 2 and the intake port 4a through the support plate 8. Further, the hot air outlet pipe 5 has a hot air outlet 5a at the tip, and passes through the support plate 8 to communicate the combustion heater 2 and the hot air outlet 5a.
Thereby, the air for heating is sucked from the intake port 4a, introduced into the combustion heater 2 through the intake pipe 4, and heated by the combustion heater 2 and then heated through the warm air outlet pipe 5 It is discharged from 5a.

As shown in FIGS. 1 and 2, the combustion unit 1 is attached to the opening 12 of the cabin body 11 so as to constitute a part of the cabin body 11.
The combustion unit 1 is attached such that the combustion heater 2 is disposed outside the cabin body 11 and the intake port 4 a and the hot air outlet 5 a are disposed inside the cabin body 11. Thereby, the combustion type heater 2 can be arrange | positioned on the outer side of the cabin main body 11, and ventilation of the air in the cabin main body 11 becomes unnecessary.
Further, since the combustion unit 1 is pre-wired with a number of pipes including the intake pipe and the hot air outlet pipe described above, it is not necessary to process the cab metal of the cabin body 11 when the combustion heater 2 is attached. Become. Therefore, the combustion heater 2 can be easily mounted.

Next, the electrical system of the cabin according to the present invention will be described with reference to FIG.
As shown in FIG. 3, the cabin 10 includes a control unit (ECU) 30 for controlling the operating state of the combustion heater 2, and each part of the combustion unit 1 may be controlled by the ECU 30. .
For example, fuel is supplied to the combustion heater 2 from the fan (not shown) of the combustion heater 2 and the fuel tank 36 based on the heating conditions (set temperature, operation time, etc.) input from the operation panel 32 to the ECU 30. The fuel pump 34 may be controlled. In addition, a fan is provided in the combustion type heater 2, and adjusts the circulation amount of heating air.

Also, as shown in FIG. 3, it is preferable to provide a temperature sensor 38 and control a fan (not shown) so as to reach a set temperature.
Here, an example in which the temperature sensor 38 is arranged in the cabin body 11 is shown. However, the temperature sensor 38 is an arbitrary one in the flow path of the heating air formed by the intake pipe, the combustion heater, and the hot air blowing pipe. You may arrange at the place.

Next, the flow of air in the cabin body will be described with reference to FIG.
As shown in FIG. 4, the combustion unit 1 attached to the cabin body 11 forms a circulation flow with respect to the cabin body 11. The circulating flow is formed by the intake air from the intake port 4a and the exhaust gas from the hot air outlet 5a that are arranged symmetrically with respect to the width direction of the cabin body 11 (the direction of the arrow A). At this time, the intake port 4a and the warm air outlet 5a may be installed with an interval sufficient to form a circulating flow. Further, the hot air outlet 5a is preferably installed at a position where it does not directly hit a driver or a passenger sitting in the passenger seat in the passenger compartment 10 from the viewpoint of drowsiness prevention or burn prevention.
The air inlet 4a and the hot air outlet 5a may be adjustable in wind direction.

Next, a procedure for attaching the combustion heater 2 will be described. FIG. 5 is a flowchart showing a procedure for attaching the combustion heater, and particularly shows an example of attaching the combustion heater to an existing cabin to which a rear glass is attached.
In the attachment procedure of the combustion heater 2, as shown in FIG. 5, first, the combustion heater 2 is fixed to the support plate 8 (step 1). At this time, it attaches so that the intake pipe 4 and the warm air blowing pipe 5 used as the flow path of heating air may penetrate the support plate 8. FIG.

  In step 2, the intake pipe 4 and the hot air outlet pipe 5 are connected to the combustion heater 2. In addition to the intake pipe 4 and the hot air blowing pipe 5, the combustion heater 2 is connected to an air intake pipe 6 and a combustion gas exhaust pipe 7 that serve as a flow path for combustion air.

  In step 3, the plate-like member fitted in the opening 12 is removed, and the opening 12 is formed on the back surface of the cabin body 11. Examples of the plate-like member include a glass plate such as a rear glass provided in an existing opening, a panel plate, and the like, and are not limited as long as they can be fitted into the opening 12 via the weather strip 14.

In step 4, the combustion heater 2 is attached to the cabin body so that the intake port 4 a and the hot air outlet 5 a are located inside the cabin body 11 and the combustion heater 2 is located outside the cabin body 11. At this time, the support plate 8 is fitted into the opening 12 so as to constitute a part of the cabin body 11 via the weather strip 14.
Since a large number of pipes such as an intake pipe and a hot air outlet pipe are connected in advance to the support plate 8 together with the combustion type heater 2, the cab metal is fitted by fitting the support plate 8 into the opening 12 when the combustion type heater 2 is attached. No processing is required. Therefore, the combustion heater 2 can be easily attached to the outside of the cabin body 11.

In addition, in FIG. 5, although the example of attachment of the combustion type heater with respect to the existing cabin to which the plate-like member is attached is described, when attaching the combustion type heater to the cabin to which the plate-like member is not attached, Step 3 can be omitted. A cabin without a plate-like member is, for example, a case where a cabin is newly created.
As described above, depending on the type of vehicle, there is a case where a plate-like member such as rear glass is fitted in the opening of the cabin main body. Even in such a case, the opening can be made by removing the plate-like member, so the combustion heater Can be attached.

  Further, FIG. 5 illustrates the case where the above-described combustion unit is prepared in advance and the combustion heater is attached to the cabin main body. However, the combustion unit is fitted in the state in which the support plate is first fitted into the cabin main body. And a combustion heater may be attached.

DESCRIPTION OF SYMBOLS 1 Combustion unit 2 Combustion type heater 4 Intake pipe 4a Intake port 5 Warm air outlet pipe 5a Warm air outlet 6 Air intake pipe 7 Combustion gas exhaust pipe 8 Support plate 9 Bracket 10 Cabin 11 Cabin body 12 Opening part 14 Weather strip 16 Stopper

Claims (3)

The cabin body,
A weatherstrip that is mounted along an edge of an opening formed on the back surface of the cabin body;
A support plate attached to the opening to form part of the cabin body via the weatherstrip;
A combustion heater disposed outside the cabin body and supported by the support plate;
An air inlet that is disposed inside the cabin body and introduces air of the cabin body to the combustion heater;
A hot air outlet that is arranged inside the cabin body and sends the air heated by the combustion heater to the cabin body;
An intake pipe that passes through the support plate and communicates the combustion heater and the intake port;
A hot air outlet pipe penetrating the support plate and communicating the combustion heater and the hot air outlet;
The warm air outlet and the air inlet are located on the inner rear side of the cabin body, and the hot air outlet is disposed on the left side in the vehicle traveling direction with respect to the air inlet ;
The intake port and the temperature air blowing outlet, cabin, characterized that you have provided obliquely respectively to the side surface direction of the cabin body relative to the support plate. And a stopper having a base end portion disposed inside the cabin main body and fixed to a surface of the support plate on the cabin main body side, and a distal end portion projecting from the base end portion toward the weather strip. The cabin according to claim 1 . A method of attaching a combustion heater that introduces air from a cabin main body through an intake pipe and heats the air and then sends the air to the cabin main body through a hot air blowing pipe,
Attaching to the support plate for supporting the combustion heater so that the intake pipe and the hot air outlet pipe penetrate;
The hot air outlet and the air inlet are located on the inner rear side of the cabin body, the hot air outlet is disposed on the left side in the vehicle traveling direction with respect to the air inlet, and the intake pipe and the hot air outlet pipe are The intake pipe and the hot air outlet pipe are connected to the combustion heater so that the intake port and the hot air outlet are inclined in the lateral direction of the cabin body with respect to the support plate inside the cabin body. And a process of
Attaching the support plate to a weather strip attached along an edge of an opening formed on the back surface of the cabin main body.

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