JP2003269751A - Engine-driven heat pump apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an engine-driven heat pump apparatus preventing the degradation of oil for lubricating an engine by arranging a lubricating oil tank in a low temperature part inside an outdoor unit. <P>SOLUTION: An engine chamber 7 for accommodating the engine 5 at the lower part of the outdoor unit, and an outdoor heat exchanger chamber 14 having an outdoor heat exchanging blower fan 44 at the upper part of the outdoor unit, are partitioned by a partition wall 39. A lubricating oil tank 24a for the engine is arranged inside the outdoor heat exchanger chamber, and an oil filling port of the lubricating oil tank is positioned on the front side in the outdoor heat exchanger chamber. An oil pipe 390 from the lubricating oil tank to the engine is arranged passing through the partition wall. An exhaust pipe 23a of the engine and the oil pipe are arranged apart from each other inside the engine chamber, and the exhaust pipe of the engine and the lubricating oil tank are arranged apart from each other inside the outdoor heat exchanger chamber. The height of the oil level in the lubricating oil tank is always in a higher position than the height of the oil level on the engine side. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION [0001] The present invention relates to a heat pump.
Engine-driven heat using an engine as a drive source
Regarding the pump unit, the outdoor unit applied to the air conditioning
Engine-driven heat with lubricating oil supply device such as gin
It relates to a pump device. 2. Description of the Related Art An engine driven heat pump device is an example.
For example, it is applied to air conditioning equipment.
Some include an oil supply device. Conventionally, the outdoor unit
Engine room that houses the engine and heat exchange that houses the heat exchanger
Compartment and refill it with oil to lubricate the engine.
Lubricating oil tank was placed in the engine room
(For example, refer to Patent Document 1). [Patent Document 1] Japanese Patent Application Laid-Open No. Hei 5-272323 [0004] Problems to be Solved by the Invention
Lubricating oil is left for long periods in high temperature environments
Degradation may progress. [0005] Thus, the oil that lubricates the engine
As the deterioration progresses, the deteriorated oil during the long-term use of the engine
To reduce engine durability.
One cause. The present invention has been made in view of the above points.
Place the lubricating oil tank inside the outdoor unit at a low temperature.
To prevent deterioration of the oil that lubricates the engine.
Providing an engine-driven heat pump device that stops
It is an object. [0007] In order to solve the above problems,
An engine-driven heat pump according to claim 1
The device has an engine room that houses the engine at the bottom of the outdoor unit,
Outdoor heat with a blower fan for outdoor heat exchange above the outdoor unit
An oil chamber that separates the exchanger room with the partition wall and lubricates the engine
The lubricating oil tank that contains the oil inside the outdoor heat exchanger room
And the oil inlet of the lubricating oil tank
It is located on the front side in the heat exchanger room, and
The oil pipe to the engine is connected to the engine room and the outdoor
The heat exchanger room is penetrated through the partition wall, and
The exhaust pipe of the engine and the oil pipe are connected in the engine room.
The engine exhaust pipe and the lubricating oil tank
And in the outdoor heat exchanger room.
Change the oil level in the oil tank to the oil level on the engine side.
Characteristically located so that it is always above the height
And DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an engine-driven system according to the present invention will be described.
Engine-driven air conditioner using heat pump device
Embodiments will be described with reference to the drawings. FIGS. 1 to 15 are shown in FIGS.
An engine related to the present invention for describing the present invention
For explaining one embodiment of the air-conditioning type air conditioner
Fig. 1 shows the overall configuration of an engine-driven air conditioner.
FIG. 2 is a front view of the outdoor air conditioning unit, and FIG.
Right side view of the outdoor air conditioning unit, Fig. 4 shows the outdoor heat exchanger room
5 is a plan view of a pad, FIG. 6 is an engine
Schematic diagram of the cross-sectional plane of the chamber and the plumbing room.
Fig. 8 shows the layout of the engine cooling water inlet.
Figure 9, Figure 9 is a cross-sectional view of the water inlet, Figure 10 is the exhaust heat exchanger
FIG. 11 is a front view of an engine lubricating oil supply device.
FIG. 12 is a sectional view of the engine, and FIG.
14 is a sectional view of the engine cover, and FIG.
FIG. 15 is a block diagram showing a schematic configuration of the apparatus.
FIG. 3 is a cross-sectional view illustrating a schematic configuration of an outer plate wall of the sleigh. First, the engine-driven air conditioner shown in FIG.
In the figure showing the overall configuration of the engine-driven air conditioner,
The device 1 is an outdoor air conditioning unit (hereinafter also referred to as an outdoor unit)
2 and an indoor air conditioning unit 3. Indoor
The conditioning unit 3 includes a refrigerant indoor heat exchanger 4 and an expansion for decompression.
A valve 18 and a fan for indoor heat exchange (not shown) are provided.
ing. The outdoor air conditioning unit 2 includes an engine 5, a compressor
The engine room 7 with 6 and 6 etc., and the main accumulator
(Hereinafter also referred to as waste heat recovery unit) 8, sub-accumulated
9, the electrical box 50 and the pipeline connecting each device
And a refrigerant chamber outdoor upper heat exchanger
11. Coolant outdoor lower heat exchanger 12 and engine cooling water
13 as a heat exchanger for hot water (hot water heat exchanger)
And an outdoor heat exchanger room 14 in which is disposed. What
Note that the upper heat exchanger 11 has two similar heat exchangers as seen in FIG.
Are arranged side by side, and in FIG.
One is displayed. A water-cooled gas fuel engine as the engine 5
The intake port of the engine 5 is used as an intake pipe 21a.
Mixer 21b and air cleaner 21c are connected via
The intake pipe 21a is connected to the top wall of the engine room 7 and the outdoor heat.
It opens through the top wall of the exchanger room to the outside. This sucking
The trachea 21a is opened in the engine room 7 as described later.
Is also good. The gas mixer 21b is connected to the fuel line 22 by a gas line.
The fuel line 22 is connected to a gas mixer 21.
b, the flow control valve 22a integrated with the zero governor (pressure reduction
Valve 22b and two solenoid valves 22c.
You. The exhaust port of the engine 5 has an exhaust pipe 23a.
Through the exhaust heat exchanger 23b, the exhaust silencer 23c,
The mist separator 23e is connected, and the exhaust pipe 23
a is open above the outdoor heat exchange chamber 14. The engine 5 has a lubricating oil tank 24a.
The solenoid valve 24b opens when the amount of lubricating oil decreases.
Lubricating oil is supplied by gravity
You. The output shaft of the engine 5 has a clutch 6a,
The compressors 6, 6 are connected via 6a. Compressor 6
Is switched to the refrigerant line 16a and the cooling operation position.
Via the four-way valve 15 and the refrigerant line 16b
Connected to the external heat exchanger 11 and the outdoor lower heat exchanger 12 for refrigerant.
The two heat exchangers 11 and 12 are connected to the refrigerant line 16c,
Heat exchange part 16e in the accumulator 8, refrigerant line 17
a, and connected to the indoor heat exchanger 4 for refrigerant.
The refrigerant room heat exchanger 4 has a refrigerant line 17b, a four-way valve 15,
Refrigerant line 16d, main accumulator 8, sub accumulator
Connected to the suction ports of the compressors 6 and 6 via the
Have been. Note that 102 is a dryer and 103 is a solution
This is a filter that passes. Reference numerals 900 and 901 denote capillaries;
10,910 each combined temperature detector and capillary
The main space is detected by detecting the refrigerant temperature.
For detecting the level of the liquid-phase refrigerant in the accumulator 8.
Things. 911 is an on-off valve, and 912 is an oil drain.
The amount of oil that accumulates at the bottom of the accumulator, which is the exit passage
Open / close valve 911 manually or automatically
Oil from the main accumulator 8
It is made to flow toward the murator 9. In the middle of the refrigerant pipe 16a, a refrigerant
Oil separator 19a for separating the lubricating oil is provided.
And the amount of lubricating oil separated by the oil separator 19a.
Is larger than a predetermined value, the oil strainer 19b
Main accumulation via solenoid valve 19c that opens when the value exceeds
Data 8 is returned. The lubricating oil is a sub accumulator
It is returned to 9. The refrigerant pipe 16a is connected to an oil strainer.
Valve 20a, solenoid valve 20 that opens when the pipe pressure is equal to or higher than a predetermined pressure.
b is connected to the main accumulator 8
This avoids an abnormal rise in refrigerant pipe pressure. 90 is a solenoid valve, 91 is an oil strainer
In cooling, when the load on the indoor unit 4 becomes particularly small,
The magnetic valve 90 is opened, and the refrigerant bypasses the indoor unit 4 and
Flow to the accumulator 8 to balance the load.
I am trying to. Cooling of outdoor unit as outdoor air conditioning unit 2
A water circulation system S is provided. This cooling water circulation system
The stem S is used when the temperature of the cooling water is lower than a predetermined value.
The cooling water jacket 28b of the engine 5 and the thermostat
Circulating through the first cooling water pump 28a.
The circulation paths 29a1, 29a2, 29q, 29s and the engine
At the time of cooling, the exhaust heat exchanger 23b, the linear three-way valve 28d,
One is a radiator 13 and the other is a main accumulator 8
Circulates through the heat exchange section 29g and the second cooling water pump 28e
Second circulation paths 29e1, 29e2, 29r, 29b,
29c, 29d, 29f1, 29f2, 29p
Together with the engine when the cooling water temperature exceeds a predetermined value
During warm-up, the exhaust heat exchanger 23b, the first cooling water pump 2
8a, cooling water jacket 28b of engine 5, thermos
Tat 28c, linear three-way valve 28d, one of which is a radiator
13, the other is a heat exchange section 29 in the main accumulator 8
g, the third circulation circulating in the order of the second cooling water pump 28e
Roads 29e1, 29e2, 29s, 29a1, 29a2
29b, 29c, 29d, 29f1, 29f2, 29p
have. The first cooling water pump 28a will be described later.
Or close to the opening of the introduction passage in the engine room.
Place in the chamber. The radiator 13 includes a cooling water reservoir.
Reservoir tank 30a via water line 30c and inlet 30b.
Connected. Thermostat 2 in the inlet 30b
8c is also connected to the thermostat 28c
Is composed of a jiggle valve. Thermostat 28c
The port is always connected to the cooling water jacket 28b via a throttle.
Through the first circulation paths 29a1 and 29a when the engine is cold.
Air bleeding within 2, 29q, 29s is enabled. In addition,
Cooling water reservoir tank 30a also has water inlet 30d at the top
A communication path 30e between the air and the atmosphere is provided. The engine cooling water is supplied to the linear three-way valve 28.
d is switched, the main pipe is switched by the water pipe 29d.
The heat is supplied to the heat exchange section 29 g in the accumulator 8,
Gives more heat to the refrigerant. Next, the specific structure of the outdoor air conditioning unit 2
Will be described in detail with reference to FIGS. The casing 31 of the outdoor air conditioning unit 2
The floor plate 33 is placed on a pair of bases 32 and fixed.
The pillars 34 are erected at the four corners, and on these four pillars 34
One end is not shown on each of the right side and the left side.
The floor panel 33 is bent at the front and rear ends,
33a, and the left and right sides are left and right side plates 37c, 37
d, the ceiling surface is covered with a top plate 37e, respectively.
You. The top plate 37e is formed by bending the front, rear, left and right ends, and
a-37d or the connecting part with the column 34 is formed
You. Further, the front side is folded as shown in FIG.
The bent engine room side partition plates 41a and 41b
Right and left front side plates 37a, 37a with bent upper ends
Are fastened by a tightening screw 35. Similarly, the rear side,
The bent piping chamber side partition plates 42a and 42b
Right and left rear sides as viewed from the front with their upper ends bent
Plates 37b, 37b are attached. The front and rear side plates 37a and 37b are
Cover the lower part of the front and rear sides of the rear side below the partition plate 39 described later.
Front, rear, left and right side plates 37a to 37d
Is detachable to ensure maintainability of each device.
You. Further, the front side of the front and rear sides of the casing 31
Upper portions of the plate 37a and the rear side plate 37b are openings for introducing outside air.
Each opening has a wire mesh 38a functioning as a filter,
38b are detachably mounted on the upper and lower sides of the horizontal frames 36a and 36b.
Is being worn. In addition, the outside air introduced into the top plate 37e is
A discharge opening 37f for discharging the water upward is formed.
The outside air is supplied to the outlet opening 37f by a wire mesh inside the outdoor heat exchanger room 14.
Outdoor heat sucked from 38a, 38b and discharged upward
A replacement blower fan 44 is provided. Discharge opening 37
A wire mesh 38c is erected around f. The partition plate 39 is provided between the outdoor heat exchanger room 14 and the machine.
It is for defining the seki room 7 and the plumbing room 10,
Central partition plate 40 constituting the ceiling of engine room 7 and engine room side
The partition plates 41a and 41b and the ceiling of the piping room 10 are formed.
It is composed of piping room side partition plates 42a and 42b,
A partition wall is configured. Engine room side partition plates 41a, 41
b and the piping chamber side partition plates 42a and 42b can be detached upward.
It has become. At the time of removal, the front and rear side plates 37a, 37
b is also removed, and the engine room 7 has a ceiling side, a front side and
Both corners are open and the plumbing room 10 is on the ceiling side, the rear side and
Both corners are open and the maintenance of equipment in each room is
Easy to do business. The center partition plate 40 and the piping room side partition plate 4
2a and 42b and the front wall of the engine room 7
After forming, on the outside upper part of the middle plate 44a (upper part on the piping room 10 side)
The horizontal gutter 48 (drainage passage) is the center of these
It can be disassembled with the plates 40, 42a and 42b, that is,
It is arranged to be exchangeable with the one. The horizontal gutter 48 is an outdoor air conditioning unit.
Longitudinal direction of knit 2 (horizontal direction in FIG. 1), that is, heat exchanger
The groove extends in the direction of the placement surface, and the lower the left side
It is inclined to become. Located at the highest point of the gutter 48
The right end 48b is removed by removing the right side plate 37d.
Or by providing an opening (cleaning hole)
It is possible to go out. The center partition plate 40 forms a V-shaped gutter 48.
Cover the V-shaped bottom above the gutter 48
A hole for water dropping may be provided. The left end located at the lowest part of the gutter 48
A tubular downspout (drain pipe) 43 is detachably connected to the portion 48a.
Has been continued. This downspout 43 is connected to the inner surface of the left side plate 37c.
Composed of the outer surface of the rear middle plate 44a constituting the front side wall of the seki room 7
Extending downward, and has an opening at its lower end.
Outlet 43a is located below the floor plate 33 and
It is suitable. The downspout 43 can be removed from the left side plate 37c.
With this, it can be exchanged for a new one. Further, the engine room side partition plates 41a, 41b,
The tube chamber side partition plates 42a and 42b and the center partition plate 40
It is inclined so that it becomes lower toward the gutter 48 side. for that reason,
Rainwater and the like that has entered the outdoor heat exchanger room 14 immediately
8 and is discharged to the outside through the downspout 43. Ma
In addition, the engine room side partition plates 41a and 41b, the piping room side partition plate 4
2a, 42b and the inclination of the center partition plate 40 to the engine room side
Partition plates 41a and 41b and piping room side partition plates 42a and 42
b, the position of the outer end portion becomes higher, and the front and rear side plates 37a, 37
Large opening when inspecting and maintaining the inside by removing 7b
It's getting worse. The central partition plate 40 is provided with air for ventilation.
So that the discharge port 40b opens into the outdoor heat exchanger chamber 14.
It is formed in two places. The outlet 40b is a silence box
40c. Opening of muffling box 40c
40d is located above the gutter 48 and has an outlet.
It is located downstream of the gutter 48 with respect to 40b.
Thereby, rainwater etc. which entered into the outdoor heat exchanger room 14
Alternatively, rainwater or the like flowing in the gutter 48 is discharged from the outlet 40b.
It prevents entry into the engine room 7. It should be noted that there is no sound inside the silence box 40c.
A sound-absorbing sheet in the form of a stick is attached. The side wall of the engine room 7 includes a front side plate 37a and a left side plate.
37c, rear middle plate 44a, right middle plate 44b, top wall is engine room
The side dividers 41a and 41b and the center divider 40,
The wall is a bottom plate 45 spaced apart from the floor plate 33.
It is comprised by each. Rear middle plate 44a, right middle plate 44
b, the upper and lower end surfaces are in airtight contact with the partition plate 39 and the floor plate 33.
The engine room 7 is thus constructed in a soundproof structure.
Has been established. The rear middle plate 44a and the right middle plate 44b are in the engine room 7
And a partition wall of the piping room 10. The space between the bottom plate 45 and the floor plate 33 is a box.
The ventilation plate 46 has a rectangular shape, and the bottom plate 45 has an engine
There are many outlets 45a that blow air for ventilation into chamber 7,
It is formed substantially uniformly over the surface. Also, ventilation
2 which opens into the piping chamber 10 on the right middle plate 44b side of the passage 46
One engine room air inlet 46a is formed, and each air
A ventilation fan 47 is provided in the intake 46a. Vertical
The drain 43a of the gutter 43 is opposite to the engine room air intake 46a.
Side, that is, at a position separated from the air intake 46a by charge and separation
Is provided. On the inner surface side of the rear plate 37b in the piping chamber 10,
Electrical box containing various control devices
50 are provided. On the bottom of this electrical box 50
Is an air inlet 50a and an outlet 50b is on the upper side.
And an air passage between the bottom surface and the floor plate 33.
There is a gap. The outside air is supplied to the floor plate 33 in the piping room 1.
0 to form a piping chamber air inlet 33b
The outside air passes through the air inlet 33b,
10 is introduced. Some of the introduced outside air is empty.
It is introduced into the electrical equipment box 50 from the air intake 50a,
It is discharged from the outlet 50b and ventilates the inside of the electrical box 50.
You. In addition, the drain port 43a of the downspout 43 is an air inlet for the plumbing room.
33b and located below. A floor plate 33 is provided below the terminal room 699.
There is no ceiling. Terminal room 699 is connected to piping room 10
It is a communication passage connecting the outside of the housing 31. Also,
The terminal chamber 699 is located outside the rear with the rear side plate 37b removed.
Be released. Respective joints 800 of refrigerant pipes 800, 801
a, 801a and the fuel line 22d except for the terminal chamber 69.
9 and an external arrangement introduced from below the terminal chamber 699.
Connected to each tube. Connected to external power supply. edge
A cord having a plug also passes through the terminal chamber 699. The upper part of the front and rear side surfaces in the outdoor heat exchanger room 14
The upper outdoor heat exchangers 11 and 11 for the refrigerant are
A refrigerant outdoor lower heat exchanger 12 is provided at the lower front side.
Radiators 13 as heat exchangers for cooling water
It is arranged. The outdoor outdoor heat exchangers 11, 11 for the refrigerant
To be vertical and along the wire mesh 38a, 38b
Whereas the lower outdoor heat exchanger 12 and
And the radiator 13 is inclined so that the lower part is located on the inside
The upper end right end of the radiator 13
The part is provided with a water inlet 30b. The water inlet 30b is shown in FIGS.
As shown in FIG.
6a and the injection door 63 provided on the support 34.
Of the radiator 13 that is oriented diagonally upward
A water supply cylinder 60 connected to the upper end of the head pipe 13c;
A cap 61 for opening and closing the opening 60a of the water supply cylinder 60
And a pressure valve disposed in the cap 61
62. The opening 60a is in the outdoor air conditioning unit 2
Toward the wire netting 38a forming the side wall of the casing 31
It opens diagonally upward. Pressure valve 62
Is formed at an intermediate portion of the water supply cylinder 60 by the valve body 62b.
The valve seat opening 60a is opened and closed.
Is biased in the closing direction by a spring 62a. The pressure valve 62 is used for both circulations of the cooling water.
Specifies the maximum internal pressure of the circuit. That is, the internal pressure of the circulation circuit
When the pressure exceeds the valve opening pressure, the pressure valve 62 opens and the remaining
Air, steam or hot water to be retained
Link 30a, and the circuit components
It is possible to protect even if it occurs. Pressurer
The lube 62c has a predetermined pressure difference between the outside and the inside of the circulation circuit.
When open, allow flow from outside to inside. The engine 5 stops, the cooling water temperature decreases,
Water vapor in the circulation circuit condenses and the internal pressure falls below atmospheric pressure
When the differential pressure between the outside and inside increases, the pressure
The valve 60c is opened and the water in the cooling water reservoir tank 30a is opened.
Is boosted by atmospheric pressure and replenished in the circulation circuit.
You. When the cap 61 is removed for checking the cooling water,
The airtightness of the seal 61a is lost, and the
The water returns to the cooling water reservoir tank 30a,
The water level drops. The water vapor in the circuit and the pre-
Water reservoir even after passing through the washer valve 62
Moved to battan 30a, moved due to engine stop
By repeatedly raising the water level by the amount of water equivalent to the amount of water vapor
The water level rises gradually and can be refilled in the circulation circuit
However, in the meantime, the amount of cooling water may be insufficient.
However, in this embodiment, the position of the water supply cylinder 60 is lower.
The water level rises quickly and the amount of cooling water is unlikely to be insufficient. That's Mei
Heat exchange in the accumulator 8 or radiator 13
Replacement can be sufficiently performed. Ie heat exchange
Until refilling is possible even if the generated vapor pressure drops due to
This is because the period becomes shorter. The lower end of the radiator 13 is an engine room side partition plate.
Central partition plate 40 and muffling box beyond 41a and 41b
40c is located on the upper corner portion. Also, refrigerant
The lower end of the lower outdoor heat exchanger 12 is connected to the tube-side partition plate 42.
a, 42b and further over the gutter 48, the central partition 40
And the muffling box 40c are located on the lower corners.
You. Radiator 13, refrigerant heat exchanger 11, 1
2 and each pipe line 29c, 2 connected to each device in the pipe room 10.
9d, 16b, 16c and 30c are on the right side of the piping chamber 10.
On the plate 37d side and in the center in the front-rear direction,
One sealing pad disposed on the left end of the partition plate 40
49, and thus a plurality of conduits
Sealed by pad. Each sealing hole 49 has a pipe hole and a left side.
There are cuts 49a connecting the side ends of the plate 37c. So
After the piping was completed, the right plate 37d was removed.
The sealing pad 49 into the pipe from the right side
Can be. The periphery of the sealing pad 49 is the center partition plate 40.
And by forming the right side plate 37d in a sealed state,
The piping chamber 10 and the outdoor heat exchange chamber 14 are partitioned. Further, each of the heat exchangers 11 to 13 was connected to each other.
The pipe is oblique to the lower heat exchanger 12 and radiator 13.
It is routed diagonally along the arrangement. As described above, the outdoor air conditioning unit 2
In the longitudinal direction of the outdoor unit, the engine room 7 and the piping room 10
The ventilation passage 46 is arranged at the lower part of the engine room 7
Ventilation fan 47 is arranged between air passage 46 and piping room 10
are doing. The main part in the longitudinal direction
Accumulator 8 and sub-accumulator 9
Arranged and located facing the ventilation fan 47 in the piping room 10
The lubricating oil tank 24a for oil supply and the cooling water
The saab tank 30a is located,
Deterioration can be prevented. A concave portion on the front side of the lubricating oil tank 24a
24a1, the cooling water reserve tank 30a is located
I have. The supply port 24a2 of the lubricating oil tank 24a
Replenishing port 30a1 of water reserving tank 30a, radiator
All the supply ports 30a2 to the engine 13
That is, it is disposed in front of the outdoor unit 2 in the front-rear direction,
Maintenance and replenishment of the engine 5 by removing the front side plate 37a
Can be easily implemented. In the engine room 7, the outdoor air conditioning unit 2 is stored.
The inspection device T used for maintenance inspection is
It is arranged facing, and can be easily operated by removing the front side plate 37a.
be able to. In the engine room 7,
The engine 5 and the compressor 6 are arranged side by side. An air cleaner 21c is disposed above the compressor 6.
The exhaust silencer 23c and the oil separator
23d are arranged side by side. Air cleaner 21c
The intake pipe 21a connected to the upstream side of the engine room 7
The central partition plate 40 and the top wall of the outdoor heat exchanger room 14
Through the top plate 37e constituting the
The gas mixer 21b connected to the downstream side of the
It is connected to the intake port of the engine 5. Oil separation
The exhaust pipe 23a connected to the upstream side of the
7 and a central partition plate 40 constituting the ceiling wall and an outdoor heat exchanger room
14 through the top plate 37e constituting the top wall and open to the outside
And an exhaust system connected downstream of the oil separator 23d.
The exhauster 23c is connected to the exhaust heat exchanger 23b.
You. The exhaust heat exchanger 23b is located on the front side of the engine 5.
And is disposed on the compressor side in the longitudinal direction of the exhaust heat exchanger 23b.
Arrange the air outlet 23b1 and slide it beside the cylinder head 5a.
A gas mixer 21b containing a roto-lut is arranged,
The mixer 21b and the intake silencer 21c are connected to the intake pipe 21a1.
Connected. The compressor 6 is an extension of the crankshaft of the engine 5
And the entire cylinder head 5a of the engine 5
Is located at a lower position, thereby increasing the space above the compressor 6.
It can be used effectively, air cleaner 21c, and exhaust
Side by side silencer 23c and oil separator 23d
The engine room 7 can be made smaller by arranging it. Also, exhaust heat exchanger
Exhaust pipe 23a1 between 23b and exhaust silencer 23c
Can be shortened, and the workability of attaching and detaching the exhaust pipe 23a1 is improved. The exhaust gas is connected to the exhaust pipes 23a, 23a1 and the exhaust pipe.
Cooled when flowing through the lens 23c and separated from the exhaust
To form drain water with an acidic content. Mist separator
Also in 23e, the desorbed gas having an acid content is separated from the exhaust gas.
Len water is formed. Each of these drain waters is connected to a pipe 10
It is led to neutralizer 104 via 1, 102 and 103,
Neutralizes the drain water with the neutralizer 104 of
And drain. Oil separator 23d is oil return
It communicates with the oil pan of the engine 5 through the passage 106,
Through the breather passage 107 to the cylinder head 5a.
Through. Engine at a position other than above engine 5
The space above the compressor 6 connected to the engine 5 in the chamber 7
Air cleaner 21c, exhaust silencer 23c and mistake
And a neutralizer 1 under the compressor 6.
04, and their positional relationship is higher than that of the neutralizer 104.
The exhaust heat exchanger 23b is arranged at a position
Air cleaner 21c, exhaust silencer 23c and
The mist separator 23e is arranged, and the height of the engine room 7 is reduced.
Can be lowered. In addition, the condensed water in the exhaust heat exchanger 23b is checked.
In fact, it can be led to the neutralizer 104. In addition, mist separator 2
The condensed water in 3e can be reliably guided to the neutralizer 104. The exhaust silencer 23c, the mist separator
The radiator 23 e and the neutralizer 104 are provided for the indoor air conditioning unit 2.
Located on the right side, the drain port of the exhaust heat exchanger 23b is also on the right side
, Drain water pipes 101, 102,
103 is short and drain water does not stay. Air near the intake port of the engine 5
The cleaner 21c and the oil separator 23d are adjacent to each other.
And after oil is separated by the oil separator 23d.
The conduit 108 for guiding the breather gas to the air cleaner 21c
Can be shortened. The air cleaner 21c and the engine 5
The intake pipe 21a1 between the gas mixer 21b can be shortened.
You. Next, the exhaust heat exchanger 23b will be described.
You. The exhaust heat exchanger 23b is configured as shown in FIG.
It is. The exhaust heat exchanger 23b is on the exhaust side of the engine 5.
Engine 5 and the exhaust heat exchanger 23b
It is integrated. The exhaust heat exchanger 23b has an expansion chamber of an exhaust passage.
The upstream heat exchange section 210 having irregularities in the
Downstream heat exchange composed of screw pipe with non-circular surface
A part 211 is provided. The upstream heat exchange section 210 is
A U-shaped exhaust passage expansion chamber 212 is formed therein.
Fins 213 and projections 214 inside the expansion chamber 212
Is formed. Inside this expansion chamber 212 is one side
From 207c, the partition wall 207d is close to the other side 207e.
The upper expansion chamber 2 extending in contact with and communicating with the side portion 207e.
12a and a lower expansion chamber 212b are formed. Upward expansion of the exhaust passage of the upstream heat exchange section 210
An upper cooling water passage 215a is formed around the chamber 212a.
The upper cooling water passage 215a extends to the partition wall 207d.
It is growing. In addition, the lower cooling chamber is provided around the lower expansion chamber 212b.
A water passage 215b is formed, and enters through a cooling water inlet 226.
The cooling water flows rightward in the downstream heat exchange section 211 and then
After entering the cooling water passage 215b, the lower cooling water passage 215b
Flows into the upper cooling water passage 215a,
Flow to the right through the water passage 215a, above the casing 207
It is discharged from the cooling water outlet 215c formed at the right end,
Enter the cooling water pipe 29e2. The upstream heat exchange section 210 is
A connecting portion (not shown) is formed on the engine 5.
It can be connected directly to the exhaust side of the car. Engine 5 exhaust
Exhaust gas is formed at four points of the casing 207 from the air side.
Exhaust gas inlet 216 into the upper expansion chamber 212a.
This exhaust gas is guided to the lower expansion chamber 212b and further
To the downstream heat exchange unit 211. As described above, mixing in the combustion chamber of the engine 5
High-temperature, high-pressure exhaust gas generated by combustion of gas
The heat is introduced into the heat exchanger 210 on the upstream side of the heat exchanger 23b.
Here, it exchanges heat with cooling water and is cooled. The expansion of the exhaust passage of the upstream heat exchange section 210
Exhaust gas from the exhaust side of the engine 5 by the tension chamber 212
Exhaust resistance is reduced, exhaust efficiency is improved,
In addition, the exhaust pressure is reduced, and the silencing effect is improved. Only
Also, the fin 2 is provided in the expansion chamber 212 of the upstream heat exchange section 210.
The projections and depressions 13 and the projections 214 form irregularities.
Therefore, the surface area increases, and high heat exchange efficiency can be obtained.
it can. The exhaust gas passage of the downstream heat exchange section 211 is disconnected.
The surface is composed of a non-circular screw pipe 220,
One end of each of the plurality of screw pipes 220 is closed
And a gasket 222 on the other side.
In addition, a guide plate 223 is provided
224. This screw pipe 220
Has a cross-shaped cross-section, and radially protrudes
The two convex portions 220a extend the outer circumference of the screw pipe 220.
I draw a spiral along the direction. The pipe unit 224 includes the casing 207
The cooling water chamber 225 formed in the
A cooling water inlet 226 is formed below the cooling water inlet 225 and a cooling water inlet 226 is formed above the cooling water inlet 226.
A water drainage outlet 227 is formed. Cooling from engine 5
Water is supplied from the cooling water inlet 226 to the cooling water chamber 225,
Circulating through the cooling water chamber 225, the cooling water exit 227
The heat is supplied to the lower cooling water passage 215b of the upstream heat exchange unit 210.
You. The closing plate 22 of the pipe unit 224
1 is sealed with an O-ring 228,
29 and the cover 230 is bolted to the casing 231
It is fastened and fixed to the lower part of the side part 207e of the 207.
A collective exhaust chamber 232 is formed by the cover 230 and the cover 2
An exhaust gas outlet 233 is provided at the center of
A drain water outlet 234 is provided below the bar 230.
I have. The other of the pipe units 224 is a gasket
222 is a bolt 235 to the side 207 of the casing 207.
c Tighten to the lower part, and
The bar 236 is bolted 237 to the side 2 of the casing 207.
07c. With this cover 236
A communication collective exhaust chamber 238 is formed.
238 is the lower expansion chamber 212b of the upstream heat exchange section 210
Exhaust gas is introduced. This exhaust gas is a communication collective exhaust
Screw pipe of pipe unit 224 from chamber 238
The air is guided to the collective exhaust chamber 232 through the
The gas is exhausted from the air chamber 232 through an exhaust gas outlet 233. As described above, the exhaust of the downstream heat exchange section 211
Since the passage is constituted by the screw pipe 220,
The exhaust gas is swirling in the screw pipe 220
Flow to the exhaust gas cooling water due to the turbulence effect of the exhaust gas
The heat transfer coefficient is increased, and high heat exchange efficiency is obtained. In this exhaust heat exchanger 23b, the upstream side
The exhaust gas is exchanged between the heat exchange unit 210 and the downstream heat exchange unit 211.
Heat exchanges with the cooling water and the heat
As soon as it is collected, its temperature and pressure are reduced and
Air noise is reduced. Next, a specific embodiment of the engine 5 will be described with reference to FIG.
11 to 14 will be described. Engine 5 is a clan
Cylinder block on oil pan 300 which doubles as oil case
301 is fixed, and the cylinder block 301 is tilted forward.
It is inclined. The cylinder block 301 has a cylinder head
The cylinder 302 is mounted on the cylinder head 302.
A head cover 303 is attached. Reference numeral 401 denotes a main jar of the crankshaft 335.
Around the null bearing, ie the crank journal 358
Fasten oil pan 300 to cylinder block 301
It is a tightening bolt for. This allows the so-called bearing key
No capping is required. The cylinder head cover 303 is placed on a horizontal surface.
The front part 303a is inclined forward by a predetermined angle θ.
An oil inlet 303b is formed on the front side,
303b through a packing 304 for sealing to
A cap 305 is attached. Cap 305 is on the front side
And can be easily attached and detached from the front side, replenishing oil
Work is easy. After the cylinder head cover 303
A rib 303c extending downward from the side ceiling wall is formed,
The plate 306 faces the rib 303c with a mounting screw.
307, which allows the oil separation chamber
308 are formed. Up and down the oil separation chamber 308
A meandering passage 309 is formed, and the meandering passage 30 is formed.
9 separates the oil and raises the plate 306
Oil return holes 306a, 306b formed in the bevel
Back into the cylinder head. Also,
A connecting pipe 310 is provided on the top of the Linda head cover 303.
The air containing oil is discharged from the connecting pipe 310.
It is sent to the file separator 23d. At the front and rear of the engine 5, a mounting bracket 32 is provided.
0, 321 is the mounting bracket 320 is the cylinder block
301 and the mounting bracket 321 to the oil pan 300
The bolts 322 and 323 are tightened and fixed respectively.
The rackets 320 and 321 are the vibration isolating rubbers 32 of the mounting table 324.
5,326 are attached to the attachment portions 325a, 326a.
ing. Engine 5 is mounted with anti-vibration rubbers 325 and 326
It has a vibration-proof structure. Cylinder blow made of aluminum alloy die-cast
The cast iron sleeve 330 has an O-ring 3
This sleeve is fitted in a watertight state by 30a.
Piston 331 is provided on 330 so as to be able to reciprocate.
The ton 331 is connected to the connecting rod 3 via the piston pin 332.
33 are connected to the small end 333 a of the connecting rod 333.
The end 333b is connected to the crankshaft 3 via the crankpin 334.
35 and the piston 331 reciprocates.
The crankshaft 335 rotates via the rod 333. Pi
Combustion between top of stone 331 and cylinder head 302
A combustion chamber 336 is formed.
Intake passage 337 and exhaust passage 33 formed in
8 are open, and the opening is formed by the intake valve 339 and the exhaust valve 34.
Opened and closed by 0. Intake valve 339 and exhaust valve 340
Is operated by the valve operating mechanism 341, and the valve operating mechanism 341
The camshaft 342 rotates in conjunction with the crankshaft 335,
The cam 342a of the cam shaft 342
The rocker arm 344 moves up and down.
Thus, the intake valve 339 and the exhaust valve 340 operate. Cylinder
An exhaust heat exchanger 23b is mounted on the front side of the lock 301.
The exhaust gas is discharged from the exhaust passage 338 to the exhaust heat exchanger 23.
b, and the intake pipe 23a is connected to the intake passage 337.
Have been. The exhaust heat exchanger 23b is connected to the mounting bolt 345.
To the cylinder head 302 with the mounting stay 346.
It is attached to a cylinder block 301. engine
5 are arranged close to the front side plate 37a, and the engine
The front front plate 37a is removed and the mounting bolts 34 are removed from the front side.
By removing 5 from the mounting stay 346, from the front side
It can be easily attached and detached, making maintenance and inspection work easy.
You. As described above, the engine 5 is tilted forward,
Arrange the exhaust port below the tilt axis, and below the exhaust port
The exhaust heat exchanger 23b is directly connected to the
The plate 37a is detachable, so that the
In other words, lubrication work with the cap 305 removed becomes easier,
The maintainability of the engine 5 is improved. The oil in the oil pan 350 of the engine 5 is
Is stored in the oil pan 350 from the front side of the engine 5.
The oil level gauge 351 is attached so that it can be inserted
You. Oil level gauge 351 has lower limit mark 351a
And the upper limit mark 351b are attached.
Oil level and upper limit oil level can be detected. Engine
The oil pump is installed inside the front side of the cylinder block 301 of the
352 is attached. The cylinder block 301 and the sleeve
330, a water jacket 360 is formed.
Cooling water is supplied to the jacket 360 from the pipe 29a1.
You. Cooling water is supplied from the water jacket 360 to the cylinder head 3
Circulates through the water jacket 361 formed in
And sent out from the water jacket 361 to the pipe 29a2.
The cooling water cooling path is indicated by a two-dot chain line arrow. Next, the oil lubrication path will be described with reference to FIG.
This will be described with reference to FIG. In FIG. 12, the oil
The smooth path is indicated by a solid arrow. By driving the oil pump 352, the fill
The main part which is a hollow part in the camshaft 342 through the
It is supplied to the gallery 355. In addition, the relief valve 3
53 is when the oil pump 352 outlet side is too high in pressure
To allow oil to escape into oil pan 300
You. The relief valve 356 is connected to the oil filter 3
When the 54 is clogged, the main gallery 35 is used as a bypass.
It is for sending oil to 5. From main gallery 355 to camshaft journal
357, crank journal 358, connecting rod 33
3 to the large end 333b, lubricating each oil
Returned to bread 300. Also, the main gallery 355
Are sent to each cylinder head 302,
It is returned to the oil pan 300 via 344. Cylinder
The head 302 is provided with an oil separation chamber 308,
From the oil separation chamber 308
The oil separator 23 through the breather passage 107
The oil in the breather gas is sent to the oil catcher
Through the oil return passage 106
And returned to the oil pan 300. Further, the oil pump 352
The gears are sent to the transmission gear case 380 via the
Bearings 381 and 38 provided in high-speed gear case 380
2. The gear 383 is lubricated and returned to the oil pan 300.
You. The engine 5 is provided with a lubricating oil supply device J.
The opening operation of the solenoid valve 24b causes the lubricating oil tank 24a
Is supplied with oil. Oil in the lubricating oil tank 24a
Is provided with a cap 24a2.
Oil is supplied from the oil inlet 24a1
You. As shown in FIG. 11, the lubricating oil supply device J
It is configured. Oil is placed on top of the lubricating oil tank 24a
The inlet 24a1 is provided so as to face the front side.
The cap 24a2 can be easily attached and detached from the front side
I have. An oil pipe 39 is provided below the lubricating oil tank 24a.
The oil pipe 390 is connected to the engine 5
The electromagnetic valve 24 passing through the lower part and attached to the stay 391
b is connected to one of the joints 24b1. electromagnetic
An oil pipe is connected to the other joint 24b2 of the valve 24b.
392 is connected, and this oil pipe 392 is connected to the engine
5 is connected to an oil inlet 352a provided in
Is poured from above the oil level in the oil pan. A solenoid valve 24b for supplying oil is provided on the floor.
Oil inlet 3 to the oil pump 352
An elastic rubber tube is provided between the conduits connecting 52a.
The solenoid valve 24b and the lubricating oil tank are connected by an oil pipe 392.
Between the oil tanks 24a.
Pipe 390 is a partition wall between the piping room 10 and the engine room 7.
After passing through the right middle plate 44b, it crawls on the floor in the engine room 7.
The oil pipe 390 is longer. Although the engine 5 is displaced by vibration, at least
The oil pipe 392 can be relatively displaced by elasticity.
You. In this embodiment, the oil pipe 390 is also the oil pipe 3
92 and a common pipe material are used. The solenoid valve 24b and the oil pan 350
Oil pipe which connects the oil inlet 352a of the
Ip 392 will be shaken, but the length is short
The inertia force is also reduced by the
Since large stress is unlikely to occur, the oil pipe 392
The durability is improved. The lubricating oil tank 24a for the engine 5
At the same end, and the oil inlet 2 of the lubricating oil tank 24a.
4a1 is a water inlet 30a of the cooling water reserve tank 30a.
1 and water and oil replenishment work
Cheap. Also, the oil inlet 24 of the lubricating oil tank 24a
a1 is when water is injected with the cap 24a2 open,
Even if spilled, it does not mix with oil. The shape of the lubricating oil tank 24a is shown in FIG.
As shown in the figure, the cooling reservoir
The lubricating oil tank 24a has a recess 24a3
And the oil surface area at the top of the lubricating oil tank 24a
Is larger than the lower part. This allows the cooling reservoir
Compact both the tank 30a and the lubricating oil tank 24a.
It is possible to fit in the space. The cooling reserve tank 30a and the lubrication
Oil tank 24a has a water inlet and an inlet at both fronts.
Each of them is arranged so that workability can be improved. The lubricating oil tank 24a is disposed above
The oil level is raised even if the oil level decreases
The oil level against the oil pan 300 can be high for a long time
Oil can be replenished in a short time.
You. A drain plug is provided in front of the lower surface of the oil pan 300.
300a is arranged, and the oil draining work becomes easy.
You. Next, an embodiment corresponding to the present invention will be described with reference to FIG.
6 and FIG. FIG. 16 shows an outdoor air conditioning unit.
Front view of the knit, FIG. 17 is a plan view of the outdoor air conditioning unit
It is. In this embodiment, the same parts as in FIGS.
The same reference numerals are used for the members, and the description is omitted. Outdoor harmony unit
(2) Outdoor heat exchange at the upper part by the partition plate 39 which is a partition wall
The switching room 14 is partitioned, and the lower middle plate 44a and the left middle plate
44d and the engine room 7 and the piping room 10 are partitioned.
ing. The engine 5 is located on the right side of the engine room 7 and the compressor
6 is located on the left side of the engine 5. Outdoor heat exchanger room
The radiator 13 and the heat exchanger 11 are arranged at 14.
I have. On the right side of the radiator 13 is a lubricating oil tank 24.
a is disposed and connected to the lubricating oil tank 24a.
A pipe 390 penetrates the partition plate 39 via the solenoid valve 24b.
Then, oil is supplied to the engine 5.
Then, in the engine room 7, the exhaust pipe 23a1 is
Ip 390 and the outdoor heat exchanger room 1
4, the exhaust pipe 23a and the lubricating oil tank 24a
They are placed apart. [0093] In the engine room 7, a cooling
The saab tank 30a is arranged. Of the intake pipe 21a
The front end opening faces the ejection port 45 a formed in the bottom plate 45.
ing. As a result, the supercharging effect of the ventilation fan 47 is received.
Will be In addition, fresh air stores liquid phase refrigerant.
Bypassing the piping room 10 containing the in-accumulator 8
Temperature, the temperature of the fresh air drops,
The filling efficiency is increased and a large output can be obtained. Thus, the room which is the outdoor air conditioning unit 2
The external unit is the engine room 7 that houses the engine 5 and the heat exchanger.
It is divided into the outdoor heat exchanger room 14 to house, and the engine 5 is
The lubricating oil tank 24a containing the oil to be lubricated is
By arranging the heat exchanger in the heat exchanger room 14, the heat of the engine 5
Sound is reduced, and the lubricating oil tank 24a is placed inside the outdoor unit.
By disposing in the outdoor heat exchanger room 14 having a low temperature,
Oil can be prevented from deteriorating. The oil inlet of the lubricating oil tank 24a
24a1 should be located on the front side in the outdoor heat exchanger room 14.
This improves the workability of lubricating oil injection. The oil level is always constant with respect to the engine 5.
Oil can be replenished in a short time.
You. As described above, the first aspect of the present invention is as described above.
Is connected to the engine room and the outdoor heat exchanger room that contains the heat exchanger.
And a lubricating oil tank in the partitioned outdoor heat exchanger room.
Place the lubricating oil tank inside the outdoor unit at a low temperature.
Prevents oil deterioration by locating in the outdoor heat exchanger room
Stop. The oil inlet of the lubricating oil tank is
The lubricating oil injection works by being located on the front side in the heat exchanger room.
Workability is improved. Also, the oil level is
It is always at a high position, so oil replenishment is possible in a short time.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an overall configuration of an engine-driven air conditioner. FIG. 2 is a front view of the outdoor air conditioning unit. FIG. 3 is a right side view of the outdoor air-conditioning unit. FIG. 4 is a plan view of a floor of an outdoor heat exchanger room. FIG. 5 is a plan view of a pad. FIG. 6 is a schematic diagram of a sectional plane of an engine room and a piping room. FIG. 7 is a sectional view of an electrical component box. FIG. 8 is a layout diagram of a water inlet of an engine cooling water. FIG. 9 is a sectional view of a water inlet. FIG. 10 is a cross-sectional view of the exhaust heat exchanger. FIG. 11 is a front view of the lubricating oil supply device for the engine. FIG. 12 is a sectional view of the engine. FIG. 13 is a sectional view of a cylinder head cover. FIG. 14 is a schematic configuration block diagram of a lubricating oil supply device for an engine. FIG. 15 is a sectional view showing a schematic configuration of an outer panel wall of the outdoor air conditioning unit. FIG. 16 is a front view of the outdoor air conditioning unit. FIG. 17 is a plan view of the outdoor air conditioning unit. [Description of Signs] 5 Engine 7 Engine room 14 Outdoor heat exchanger room 23a Exhaust pipe 24a Lubricating oil tank 24a1 Oil inlet 24a2 Cap 39 Partition wall (partition plate) 44 Outdoor heat exchange blower fan 390 Oil pipe

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Masashi Arimura             Yamaha Motor Co., Ltd. 2500 Shinkai, Iwata City, Shizuoka Prefecture             In the formula company (72) Inventor Nobuaki Saito             Yamaha Motor Co., Ltd. 2500 Shinkai, Iwata City, Shizuoka Prefecture             In the formula company

Claims (1)

Claims: 1. An engine room accommodating an engine at a lower portion of an outdoor unit, and an outdoor heat exchanger room having a blower fan for outdoor heat exchange at an upper portion of the outdoor unit, are partitioned by partition walls. A lubricating oil tank containing oil for lubricating the engine is arranged inside the outdoor heat exchanger chamber, and an oil inlet of the lubricating oil tank is located on the front side in the outdoor heat exchanger chamber. An oil pipe to the engine is arranged to penetrate the partition wall that separates the engine room and the outdoor heat exchanger room, and an exhaust pipe of the engine and the oil pipe are arranged separately in the engine room. The pipe and the lubricating oil tank are spaced apart even in the outdoor heat exchanger room, and the oil level in the lubricating oil tank is arranged to be always higher than the oil level on the engine side. An engine-driven heat pump device characterized by the following.