WO2012100633A1

WO2012100633A1 - Compact diesel digital generator with easily-maintainable air filter

Info

Publication number: WO2012100633A1
Application number: PCT/CN2012/000004
Authority: WO
Inventors: 肖亨琳
Original assignee: 无锡开普机械有限公司
Priority date: 2011-01-26
Filing date: 2012-01-04
Publication date: 2012-08-02
Also published as: CN102072016A

Abstract

A compact diesel digital generator with an easily-maintainable air filter is provided. An engine (3) is arranged in the middle of a base (20). A generator (4) and a fuel tank (9) are arranged in front of the engine (3). A control device is arranged above the fuel tank (9). A cooling fan (6), a radiator (7) and a silencer (50) are arranged behind the engine (3). An air filter (8) with the length direction being the left and right direction is arranged above the engine (3). A vent (15) is arranged on a cover (19) above the air filter (8). An inverter (5) is arranged above and to the right and in front of the engine (3). The base (20) has an air inlet (14) under the engine (3), and the cover (19) has an air inlet (14) to the right of the inverter (5). In the diesel digital generator, the air filter is transversely arranged, and a maintenance space to the left the air filter is formed, so it is unnecessary to specially reserve the maintenance space in the box body for the air filter, thereby making the box body smaller. In addition, maintenance operation can be easily carried out by opening an access door to the left the air filter.

Description

Compact diesel digital generator with easy maintenance of air filter

Technical field

This invention relates to a generator, and more particularly to a compact diesel digital generator that is easy to maintain an air cleaner.

Background technique

Diesel digital generators, typically including engines, generators, inverters, controls, fuel tanks, air filters, silencers, and radiators. The generator drives the generator for generating electricity, the electric power generated by the generator is converted into an alternating current output by the inverter, the control device controls the engine and the generator, the fuel tank stores the fuel supplied to the engine, and the air cleaner purifies and supplies the engine The air, the silencer eliminates the exhaust sound of the above engine, and the radiator cools the cooling water of the above engine. In order to make the structure simple and compact, and easy to handle and maintain, the above devices are often disposed in the casing, but such a setting may cause maintenance difficulties.

For example, Japanese Patent Application Laid-Open No. 2010-106698, the entire disclosure of which is incorporated herein by reference. The generator is disposed in the vertical direction with the longitudinal direction of the air cleaner, and the air cleaner is disposed on the upper side of the casing opposite to the control box as the outer packaging member of the control device, and serves as the opposite side of the outer casing member. A portion is recessed toward the inside of the control device, at least a portion of the air cleaner is disposed in the recessed portion, and a maintenance space for replacing the air cleaner filter element is disposed below the air cleaner. If the maintenance space of the air cleaner is reduced as much as possible, the cabinet can be miniaturized. However, sacrificing the maintenance space of the air filter to achieve the goal of miniaturization of the cabinet, it is difficult to maintain the overall operation of the air cleaner and the diesel digital generator. Summary of the invention

The present invention is directed to the above-mentioned deficiencies of the prior art, and provides a compact diesel digital generator that is easy to maintain an air cleaner, which can compactly configure each device inside the cabinet and improve the maintenance of the air cleaner. space.

According to the technical solution provided by the present invention, a compact diesel digital generator capable of maintaining an air cleaner includes a casing composed of a base and a cover, and the casing is provided with an engine, a generator, an inverter, and a control device, a fuel tank, an air cleaner, a radiator, and a muffler, wherein: the engine is disposed in a middle portion of the base, the generator is connected to the front of the engine, and a front of the generator is disposed a fuel tank, the control device is disposed above the fuel tank, the control device is fixed to the cover in front of the fuel tank; and a cooling fan is connected to the rear of the engine. The heat sink and the muffler having a longitudinal direction in the left-right direction are sequentially disposed at a rear of the cooling fan, and an exhaust tail pipe of the muffler corresponds to an exhaust port at a top of the cover; The air cleaner is disposed above the engine with a longitudinal direction in a left-right direction, and the cover above the air cleaner is provided with an air outlet, the position of the air outlet and the heat sink Corresponding to; the inverter is disposed on the right front upper side of the engine; and the air inlet is disposed on the base below the engine and on the cover on the right side of the inverter.

A battery is disposed to the right of the engine.

A center pillar and a center frame are respectively disposed at a middle portion of the left and right sides of the base, and an upper frame is fixed to an upper end of the center pillar and the center frame, and the air cleaner is fixed to a front portion of the upper frame.

The center pillar is cylindrical or round tubular.

An opening is provided on a left side plate of the cover, and an access door is attached to the opening.

The left side plate of the cover is provided with a connection port, and the connection port communicates with the engine through a fuel pipe.

The base is provided with two parallel groove-shaped members extending in the left-right direction.

Compared with the prior art, the invention has the following advantages: 1. The air filter is transversely disposed, and the maintenance space is formed on the left side thereof, and it is not necessary to leave a maintenance space for the air filter inside the cabinet. The cabinet can be miniaturized; in addition, the maintenance work can be easily performed by opening the access door on the left side of the air cleaner. 2. The center column is provided in the opening of the access door to improve the rigidity of the opening. Moreover, it is not hooked by the cylindrical or round tubular center column during maintenance work, and the maintenance is convenient. 3. The connection port is provided on the cabinet, and the external fuel tank can be selected to supply fuel to the engine, thereby extending the running time of the diesel digital generator. 4. The base is provided with a fitting groove type which can be used as a fork hole, which reduces the number of parts and reduces the cost. 5. The present invention configures its position in the cooling air duct according to the cooling requirements of each device in the tank, and improves the cooling effect of the cooling air; the other device is configured to surround the engine, has a compact structure, and can also serve as a soundproof wall, and is reduced. Engine noise.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the external structure of the present invention.

Figure 2 is a perspective view showing the external structure of the present invention when the access door is opened.

Figure 3 is a perspective view of the internal structure of the present invention.

Figure 4 is a perspective view showing the air filter mounting structure of the present invention;

Figure 5 is a structural view of a fuel system in the present invention. Figure 6 is a perspective view showing the structure of the base of the casing in the present invention.

detailed description

The invention will now be further described with reference to the embodiments in the drawings.

1 to 6, including diesel digital generator 1, battery 2, engine 3, exhaust tail pipe 3a, generator 4, inverter 5, cooling fan 6, radiator 7, air filter 8, fuel Box 9, box body 10, front side panel 10a, left side panel 10b, right side panel 10c, upper panel 10e, upper frame 11, suspension member la, recess 11b, splicing panel llc, opening portion 12, access door 12a , center column 13 , air inlet 14 , air outlet 15 , fuel filler port 16 , fuel filler cap 16 a , connecting port 17 a , 17 b , connector cover 17 c , center frame 18 , cover 19 , base 20 , fixing hole 21 , groove type Components 22a, 22b, front member 23, intermediate member 24, rear member 25, left frame 26L, right frame 26R, control panel 30, control box 31, fuel filter 45, fuel injection pump 46, fuel supply hose 49a, 49b, 49c, silencer 50, etc.

In each of the drawings of the embodiment of the present invention, the direction of the arrow D is forward, and the front and rear and the left and right directions are defined. As shown in FIG. 1, FIG. 2 and FIG. 3, the present invention is a compact diesel digital generator 1 which is easy to maintain an air cleaner, and includes a casing 10 composed of a base 20 and a cover 19, which is inside the casing 10. Devices such as the engine 3, the generator 4, the inverter 5, the control device, the fuel tank 9, the air cleaner 8, the radiator 7, and the muffler 50 are provided.

The casing 10 is an outer packaging device of the diesel digital generator 1, and is provided with all the devices such as the engine 3 and the generator 4 therein. The casing 10 is approximately a rectangular parallelepiped and is composed of a base 20 and a cover 19.

The base 20 is disposed at the bottom of the casing 10 and has a rectangular shape in plan view. As shown in Fig. 6, at least two of the downwardly open channel members 22a, 22b are integrally assembled on a base 20 which is a bottom portion of the casing 10. These groove members 22a, 22b extend in the lateral direction, that is, in the left and right directions, respectively. Set at a distance from each other in parallel. The base 20 is mainly composed of the channel members 22a, 22b, the front member 23, the intermediate member 24, the rear member 25, and the left frame 26L and the right frame 26R. The front member 23, the intermediate member 24, and the rear member 25 constitute a front portion of the base 20, a front center portion, and a rear portion, respectively. The interval between the grooved member 22a and the grooved member 22b can be adjusted to a desired interval by changing the length of the intermediate member 24 located between the grooved member 22a and the grooved member 22b in the front-rear direction.

The openings of the channel members 22a, 22b face downward. The channel members 22a, 22b, the front member 23, the intermediate member 24, and the rear member 25 are disposed in parallel in the left-right direction, respectively, and are integrated by bonding.

The left frame 26L and the right frame 26R are frame-shaped members that extend from the front end portion to the rear end portion of the left and right edges of the base 20, respectively. The left frame 26L and the right frame 26R respectively fix the grooved member in the middle of the longitudinal direction thereof At the side end of 22a. 22b, the fork of the forklift can be inserted from the side opening of the channel members 22a, 22b, and the whole of the casing 10, even the diesel digital generator 1, is moved by the forklift. Further, the casing 10 is not provided with another member for inserting the fork hole of the forklift, but the groove members 22a and 22b which are fitting members constituting a part of the base 20 are used as the fork holes. Therefore, the number of parts can be reduced and the cost can be reduced. Further, the groove-shaped members 22a and 22b as the fitting members are provided with a plurality of fixing holes 21 which are laterally opened and which serve as the fixing holes for the casing. The fixing hole 21 is opened in the front-rear direction on the longitudinal surface of the left and right end portions of the groove members 22a and 22b constituting the base 20.

A center pillar 13 and a center frame 18 are respectively disposed at the center of the left and right sides of the base 20. The upper frame of the center pillar 13 and the center frame 18 is fixed with an upper frame 11, and the upper frame 11 supports the upper plate 10e from below. The upper frame 11 is provided with a U-shaped bent portion as viewed in cross section, and is used for lifting the suspension of the diesel digital generator 1 from the left and right central portions. When moving, the hook of the crane or the like can be connected to the suspension. Lifting on the piece 11a.

Further, the upper frame 11 is further provided with a down pipe, and the down pipe communicates with the outside of the diesel digital generator 1 through the air inlet 14 on the base 20. Thus, rainwater entering the recess of the upper frame 11 from the recess l ib of the upper plate 10e of the casing 10 can be discharged to the outside through the down pipe.

The cover 19 is a rectangular box that is open downward at the upper portion of the casing 10, and covers the base 20 from above. The cover 19 is composed of a front side panel 10a, a right side panel 10c, a left side panel 10b, an upper panel 10e, and a rear panel.

At least one opening portion 12 is provided in the left side plate 10b and the right side plate 10c of the cover 19. In the present embodiment, the opening portion 12 is disposed on the left side plate 10b.

The opening portion 12 is a device for the operator to perform an internal maintenance work from the outside of the casing 10. An access door 12a is attached to the opening 12. The access door 12a is a door for opening the inside of the casing 10 when the operator performs maintenance work, and is freely openable and closable. The access door 12a covers the entire opening portion 12 when it is in the closed state. The center pillar 13 corresponds to the opening portion 12 and is vertically erected to increase the rigidity of the opening portion 12 in the vertical direction. The joint portion of the center pillar 13 and the base 20 is disposed inside the casing 10 and located near the opening portion 12. The center pillar 13 is cylindrical or round tubular. As described above, when the air cleaner 8 is maintained from the outside of the casing 10 through the opening portion 12, the columnar or round tubular center pillar 13 does not get caught as compared with the support member having the corner portion. Therefore, the maintenance work of the air cleaner 8 is easy.

The left side plate 10b of the cover 19 is further provided with a fuel filler port 16 and connection ports 17a, 17b.

The fuel filler port 16 is in communication with the fuel tank 9, and the fuel is supplied from the fuel filler port 16. The fuel filler port 16 is covered by a fuel filler cap 16a. The fuel filler port 16 is disposed in front of the cornice portion 12 and is located outside the left side plate 10b. The connection ports 17a, 17b are provided on the lower right side of the fuel filler opening 16 and are located outside the left side plate 10b. The connection ports 17a, 17b are respectively covered by the connection port cover 17c.

The connection ports 17a, 17b communicate with the engine 3 through fuel pipes. The connection port 17a is a means for supplying fuel from the outside of the casing 10 to the engine 3; the connection port 17b is means for returning the fuel supplied from the external fuel tank to the engine 3 to the external fuel tank.

The engine 3 is a drive source for all devices inside the cabinet 10. The engine 3 is disposed inside the casing 10 and disposed in the middle of the base 20, and is supported by an anti-vibration device (not shown) on the base 20.

The generator 4 is connected to the front of the engine 3. The generator 4 is driven by the power of the engine 3 to generate electricity.

A fuel tank 9 is provided in front of the generator 4. The fuel tank 9 is a device that stores fuel supplied to the engine 3. The fuel tank 9 is a rectangular box body having a lateral direction, that is, a left-right direction, and extending in the direction, and has a horizontally long shape. The fuel tank 9 is fixed to the front portion of the base 20 by a fixing member of the fuel tank through fastening member bolts and nuts.

A control device is provided above the fuel tank 9. The control device is a device that controls the engine 3 and the generator 4. The control unit is fixed to the cover 19 in front of the fuel tank 9, i.e., on the front side panel 10a. The control box 31 is an outer package member that houses a control device or the like, and the control device is electrically connected to the operation switch. The control box 31 is disposed inside the casing 10 through the front side panel 10a at the rear of the control panel 30. The control box 31 is combined in a box shape by a plate member, and is disposed on the outer peripheral portion of the control device.

The control panel 30 is a device that operates the start of the diesel digital generator 1, and the like, and indicates the operating state and the like. The control panel 30 is disposed in front of the control device, and is exposed from the front side portion of the casing 10, that is, the upper portion of the front side panel 10a to the outside. The control panel 30 is provided with a switch for operating the diesel digital generator 1 and a monitor for indicating the operating condition.

A cooling fan 6 is connected to the rear of the engine 3. The cooling fan 6 is driven by the power of the engine 3 and is a device that draws outside air into the interior of the casing 10.

A radiator 7 and a muffler 50 having a longitudinal direction in the left-right direction are sequentially disposed behind the cooling fan 6. Thus, the heat sink 7 and the muffler 50 can be compactly arranged inside the casing, and the cooling capacity of the radiator 7 can be ensured as much as possible, and the muffler effect of the muffler 50 can be achieved.

The radiator 7 is means for cooling the cooling water circulating in the engine 3, and is connected to the engine 3 through a communication pipe.

The muffler 50 is a device that eliminates the exhaust sound of the engine 3. The muffler 50 is disposed behind the radiator 7 and is connected to the engine 3 through an exhaust pipe. The exhaust tail pipe 3a of the muffler 50 faces upward, from The muffler 50 extends up to the top of the casing 10, i.e., near the upper plate 10e, corresponding to the exhaust port at the top of the cover 19. The exhaust gas generated by the engine 3 passes through the exhaust pipe, passes through the muffler 50, and is discharged from the exhaust tail pipe 3a to the outside of the casing 10.

An air cleaner 8 having a longitudinal direction in the left-right direction is provided above the engine 3. The air cleaner 8 is disposed in parallel with the control box 31 of the control unit on the upper side of the casing 10, and is connected to the engine 3 through an intake pipe. The air cleaner 8 is a device that supplies the engine 3 after purifying the outside air, and houses a filter element inside, covers the body of the air cleaner 8 through the filter cover, the filter cover is detachable, and the filter can be removed. The cover is taken out from the body of the air cleaner 8 to be replaced. Referring to Fig. 4, the air cleaner 8 is fixed to a splicing plate 11c projecting forwardly from the upper frame 11, and the splicing plate 11c is bolted to the front of the intermediate portion of the upper frame 11.

According to the present invention, the air cleaner 8 is placed transversely to form a maintenance space on the left side thereof, and it is not necessary to provide a maintenance space of the air cleaner 8 in other portions inside the casing 10, and the casing 10 can be miniaturized; Maintenance work can be performed by opening the access door 12a on the left side of the air cleaner 8, which has a large maintenance space and is easy to perform maintenance work.

An air outlet 15 is provided on the cover 19 above the air cleaner 8, i.e., the upper plate 10e. The air outlet 15 corresponds to the position of the heat sink 7, and below it is the heat sink 7. The air outlets 15 are disposed in the middle and rear portions of the upper plate 10e, and are formed by openings arranged in a matrix. The exhaust vent 15 communicates with the outside and inside of the casing 10, and when the cooling fan 6 is driven by the engine 3, the cooling air inside the suction casing 10 can be discharged to the outside of the casing 10.

An inverter 5 is provided on the upper right front side of the engine 3. The inverter 5 rectifies the electric power generated by the generator 4, converts it into AC power of a predetermined frequency, and outputs it. The inverter 5 is disposed on the right side surface of the casing 10, that is, near the front side of the right side plate 10c of the cover 19. A fixing member is provided between the inverter 5 and the right side plate 10c of the cover 19.

A battery 2 is provided to the right of the engine 3. The battery 2 is a device that supplies electric power to a starting device for starting the engine 3, a control unit of the inverter 5, a control panel, and the like. The battery 2 is disposed on the right side of the middle portion of the base 20.

An air inlet 14 is provided on the base 20 below the engine 3 and on the right cover 10 of the inverter 5, that is, the right side plate 10c. The air inlet 14 on the right side plate 10c corresponds to the position of the inverter 5, and the air inlets 14 on the base 20 correspond to the positions of the inverter 5, the generator 4, and the cooling fan 6, respectively. The air inlet 14 is used to cool the inverter 5, the battery 2, and the engine 3 by the rotation of the cooling fan 6 described above. The outside air of the device is sucked into the inlet inside the casing 10.

According to the present invention, the engine 3 is disposed in the middle of the cooling duct, and the generator 4, the inverter 5, and the air cleaner 8 are disposed on the upstream side of the cooling duct, in the cooling wind. The radiator 7 and the muffler 50 are disposed on the downstream side of the track to improve the cooling effect of the cooling air. In addition, other devices are arranged to surround the engine 3, and the other devices can be compactly configured while also functioning as a sound insulating wall to reduce the noise of the engine 3.

Next, the fuel path involved in the diesel digital generator 1 will be described with reference to FIG.

The path for supplying fuel to the engine 3 by the fuel tank 9 is mainly composed of a fuel tank 9, a fuel injection pump 46, and a fuel filter 45.

The fuel of the fuel tank 9 is sent to the fuel injection pump 46 through the fuel supply hose 49a.

The fuel injection pump 46 is a device that pressurizes the fuel to a high pressure. The fuel pressurized to a high pressure is delivered to the fuel filter 45 through the fuel supply hose 49b.

The fuel filter 45 is a device that removes foreign matter in the fuel through a filter. The fuel delivered to the fuel filter 45 is delivered to the cylinder through the fuel supply hose 49c and burned.

Claims

Claim

A compact diesel digital generator that is easy to maintain an air cleaner, comprising a casing (10) consisting of a base (20) and a cover (19), wherein the casing (10) is provided with an engine ( 3), generator (4), inverter (5), control device, fuel tank (9), air filter (8), radiator (7) and silencer (50), characterized by: The engine (3) is disposed in a middle portion of the base (20), the generator (4) is connected to the front of the engine (3), and the fuel tank (9) is disposed in front of the generator (4) The control device is disposed above the fuel tank (9), the control device is fixed to the cover (19) in front of the fuel tank (9); the rear connection of the engine (3) There is a cooling fan (6), and the radiator (7) and the muffler (50) having a longitudinal direction in the left-right direction are sequentially disposed behind the cooling fan (6), and the muffler (50) An exhaust tail pipe (3a) corresponding to an exhaust port at the top of the cover (19); the upper portion of the engine (3) The air cleaner (8) having a longitudinal direction in the left-right direction is disposed, and the air outlet (15) is disposed on the cover (19) above the air cleaner (8), An exhaust vent (15) corresponding to a position of the radiator (7); the inverter (5) is disposed at a right front upper side of the engine (3); the base below the engine (3) (20) an air inlet is provided on the cover (19) on the right side of the inverter (5)

(14).

A compact diesel digital power generator with an easy-to-maintain air cleaner according to claim 1, wherein: a battery (2) is disposed to the right of said engine (3).

3. The compact diesel digital generator of the easy-to-maintain air cleaner according to claim 1, wherein the central portion of the left and right sides of the base (20) are respectively provided with a center pillar (13) and a center frame ( 18), an upper frame (11) is fixed to an upper end of the center pillar (13) and the center frame (18), and the air cleaner (8) is fixed to a front portion of the upper frame (11).

4. A compact diesel digital generator for an easy-to-maintain air cleaner according to claim 3, wherein: said center pillar (13) is cylindrical or circular.

5. The compact diesel digital power generator of the easy-maintaining air cleaner according to claim 1, wherein: the left side plate (10b) of the cover (19) is provided with an opening portion (12). The opening

(12) An access door (12a) is attached to it.

6. The compact diesel digital generator of the easy-to-maintain air cleaner according to claim 1, wherein: the left side plate (10b) of the cover (19) is provided with a connection port (17a, 17b). ), said The connection port (17a, 17b) communicates with the engine (3) through a fuel pipe.

7. The compact diesel digital power generator of the easy-maintaining air cleaner according to claim 1, wherein: the base (20) is provided with two parallel groove-shaped members extending in the left-right direction ( 22a, 22b) o