WO2012100655A1

WO2012100655A1 - Diesel digital generator convenient for heat dissipation of electronic speed regulator

Info

Publication number: WO2012100655A1
Application number: PCT/CN2012/000105
Authority: WO
Inventors: 肖亨琳; 赖发东; 薛荣
Original assignee: 无锡开普机械有限公司
Priority date: 2011-01-26
Filing date: 2012-01-20
Publication date: 2012-08-02
Also published as: CN102128082A; CN102128082B

Abstract

A diesel digital generator convenient for heat dissipation of an electronic speed regulator comprises a cabinet (10) formed by a base (12) and a cover (11). An engine (30), a generator (40), an inverter (50), a control device (70), an electronic speed regulator (80), a storage battery (20), a fuel tank (60), an air cleaner (31) and a silencer (32) are disposed in the cabinet (10). The engine (30) is disposed in the middle of the base (12). The generator (40) is connected in front of the engine (30), and the control device (70), the inverter (50), and the storage battery (20) are disposed in front of the generator (40). An air guide hood (40a) is disposed outside the generator (40), and the electronic speed regulator (80) is fixed on the right side of the air guide hood (40a). The air cleaner (31) is disposed above the electronic speed regulator (80). The silencer (32) and the fuel tank (60) are disposed behind the engine (30). Air inlets (13) are disposed on a rear part of left and right side plates of the cover (11) and on a front part of the base (12), and air outlets (14) are disposed on a rear side plate of the cover (11) and on a rear part of the base (12). The electronic speed regulator is arranged in front of the engine, so that the space between the electronic speed regulator and a high-temperature region is enlarged, and heat transfer is reduced. The electronic speed regulator (80) is arranged close to the air inlets (13), and a great amount of heat is taken away by cooling air, so that the surface temperature of the electronic speed regulator (80) is reduced, thus ensuring the working efficiency, preventing malfunction due to high temperature, and reducing the maintenance frequency.

Description

Diesel digital generator for facilitating heat dissipation of electronic governor

[0001] The present invention relates to a diesel digital generator in which an engine and a generator are housed in a casing, and more particularly to a diesel digital generator that facilitates heat dissipation of an electronic governor. Background technique

[0002] Diesel digital generators generally include an engine, a generator, an inverter, an electronic governor, a control device, a fuel tank, an air cleaner, and a muffler. 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 electronic governor adjusts and controls the rotation speed of the generator, the control device controls the engine and the generator, and the fuel tank is stored and supplied to the engine. The fuel, the air cleaner purifies the air supplied to the engine, and the muffler eliminates the exhaust sound of the 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 a problem of poor heat dissipation.

[0003] In the conventional diesel digital power generator, the arrangement position between the devices is not very reasonable, which is disadvantageous for the cooling of each device. For example, the electronic governor is fixed to the right side of the engine. When the engine is working normally, it is easy to transfer the high temperature to the electronic governor on the right side, thus affecting the working efficiency of the electronic governor. In addition, the electronic governor is also prone to failure due to high temperatures, increasing the frequency of maintenance. Summary of the invention

[0004] The present invention is directed to the above-mentioned deficiencies of the prior art, and provides a diesel digital generator that facilitates heat dissipation of an electronic governor, which can compactly configure each device inside the cabinet and effectively reduce the electronic speed regulation. The temperature of the device ensures its working efficiency.

[0005] According to the technical solution provided by the present invention, a diesel digital generator that facilitates heat dissipation of an electronic governor includes a casing composed of a base and a cover, and the engine is provided with an engine, a generator, and an inverter. a control device, an electronic governor, a battery, a fuel tank, an air cleaner, and a muffler, wherein the engine is disposed in a middle portion of the base, and the generator is connected to the front of the engine, and the power generation The control device is disposed above the front portion of the machine, and the inverter and the battery are arranged side by side from the left to the right of the front portion of the generator; the outside of the generator is provided with an air guiding cover. The electronic governor is fixed to a right side of the air hood, and the air cleaner is disposed above the electronic governor; the muffler is disposed at a rear of the engine, and the muffler is The fuel tank is disposed above; a rear portion of the left and right side panels of the cover and a front portion of the base are provided with an air inlet, and a rear row of the cover and a rear portion of the base are provided with a row tuyere.

[0006] The front side of the generator is provided with a front partition, and the control device, the inverter and the battery are located in front of the board.

[0007] The periphery of the muffler is provided with an exhaust hood.

[0008] A maintenance door is disposed on the right side panel of the cover.

[0009] Compared with the prior art, the present invention has the following advantages: the invention arranges the electronic governor in front of the engine, is located on the right side of the windshield of the generator, and expands between the electronic governor and the high temperature region. The space reduces the transfer of heat; in addition, the electronic governor is placed near the air inlet, and the cooling air entering from the air inlet is swept through the electronic governor. It will take away a lot of heat, lowering its surface temperature, thus ensuring its working efficiency, and it can prevent the electronic governor from malfunctioning due to high temperature and reduce the maintenance frequency. DRAWINGS

1 is a perspective view of an external structure of the present invention.

2 is a perspective view of the internal structure of the present invention.

3 is a structural view showing an internal portion of a casing when the maintenance door is opened according to the present invention.

4 is a rear elevational view of the rear side structure of the present invention.

5 is a perspective view of a base structure of the present invention. detailed description

[0015] The present invention will be further described below in conjunction with the embodiments in the drawings.

1 to FIG. 5, including a diesel digital generator 1, a casing 10, a cover 11, a front side panel 11a, an upper panel lib, a left side panel 11c, a right side panel lid, a rear side panel lie, and a base 12. Inverted U-shaped welded plate 12a, air inlet 13, first air inlet 13A, second air inlet 13B, third air inlet 13C, air outlet 14, first air outlet 14A, second air outlet 14B, Front partition 16, exhaust hood 17, service door 18, battery 20, engine 30, air cleaner 31, muffler 32, exhaust tail pipe 32a, generator 40, air hood 40a, inverter 50 The fuel tank 60, the control device 70, the control panel 71, the electronic governor 80, the fuel filter 90, and the like.

[0017] In each of the drawings of the embodiment of the present invention, the direction of the arrow F is forward, and the front and rear and the left and right directions are defined.

[0018] As shown in FIG. 1, FIG. 2 and FIG. 3, the present invention is a diesel digital generator that facilitates heat dissipation of an electronic governor, and includes a casing 10 composed of a base 12 and a cover 11 in the casing 10. Devices such as the engine 30, the generator 40, the inverter 50, the control device 70, the electronic governor 80, the battery 20, the fuel tank 60, the air cleaner 31, and the muffler 32 are provided.

[0019] The casing 10 is an outer packaging device of the diesel digital generator 1, and is provided with all devices such as an engine 30 and a generator 40 therein. The bottom of the casing 10 is provided with a base 12, and the upper portion is provided with a cover 11.

[0020] The casing 10 is provided with an air inlet 13 and an air outlet 14. The air inlet 13 includes a first air inlet 13A, a second air inlet 13B and a third air inlet 13C; the air outlet 14 includes a first air outlet A and a second air outlet 14B.

[0021] In the interior of the casing 10, a cooling air passage is formed between the air inlet 13 and the air outlet 14, and when the engine 30 drives the generator 40 to operate normally, the outside air as the cooling air can be taken from the air inlet 13 It is sucked into the inside of the casing 10, then enters the cooling duct, and is finally discharged from the exhaust vent 14 to the outside of the casing 10.

[0022] One side of the rear side of the base 12 is provided with one ground wheel, and one side of the front side of the base 12 is provided with a universal wheel, which facilitates the movement of the diesel digital generator 1 described above.

[0023] As shown in FIG. 5, the base 12 is approximately a rectangular box that is open at the top. The front portion of the base 12 is provided with a third air inlet 13C which is adjacent to the air hood 40a and is located below the control unit 70. The rear of the base 12 is provided with a first: = exhaust vent 14B. The second exhaust port 14B is composed of an open group in a downwardly directed direction. The base 12 is further provided with an inverted U-shaped welded plate 12a for supporting the battery 20, and the inverted U-shaped welded plate 12a is welded to the front side of the base 12 near the front side plate 1 la.

[0024] Referring again to FIGS. 1 and 3, the cover 11 is disposed above the base 12 to cover the base 12 from above. In this covered state, above the base 12, the inside of the cover 11 forms a space for accommodating each device such as the engine 30 and the generator 40. [0025] The cover 11 is a box-shaped member that is formed by the front side panel 11a, the upper panel l ib, the left side panel 1 1c, the right side panel l id, and the rear side panel lie.

The upper side of the front side panel 11a of the cover 11 is provided with a cylindrical casting elbow carrying handle for easy disassembly.

[0027] The lower portion of the rear side panel of the cover 11 is provided with a first exhaust vent formed by an opening group that is open in the left-right direction.

14A„

[0028] A first air inlet 13A and a second air inlet 13B, which are formed by an opening group which is obliquely downwardly opened and recessed toward the inside of the panel, are respectively provided at the rear portions of the right and left side panels l lc, l ld of the cover 11.

[0029] A service door 18 is provided on the right side panel l id of the cover 1 1 . The service door 18 can be opened at any time, which facilitates the disassembly and maintenance of the battery 20 and the electronic governor 80, and rationally utilizes the space inside the cabinet 10 to provide a sufficient maintenance environment for other equipment.

[0030] As shown in FIG. 2, FIG. 3 and FIG. 4, each device in the casing 10 will be described below.

[0031] The engine 30 is a drive source for all devices inside the cabinet 10. The engine 30 is disposed at a substantially central portion inside the casing 10 and is supported by an anti-vibration device (not shown) on the base 12.

[0032] The generator 40 is connected to the front of the engine 30. The generator 40 is driven by the power of the engine 30 to generate electricity.

[0033] A control device 70 is disposed above the front portion of the generator 40. The control device 70 is a device that controls the engine 30 and the generator 40. The control device 70 is near the front side of the casing 10, i.e., the front side of the front side panel 11a of the cover 11. The control box as the outer packaging member of the control unit 70 is mounted on the front side panel 1 1a, and is formed integrally with the control panel 71 provided on the upper portion of the front side panel Ua. A space is formed inside the control box 70a, and the space is provided with electrical equipment such as a DC contactor, a relay, and a control module of the control device 70.

The control panel 71 is a device that operates the starting of the diesel digital generator 1 and the like, and indicates an operating state or the like. The control panel 71 is disposed in front of the control device 70 and is exposed from the upper portion of the front side panel 11a of the cover 11 to the outside. The control panel 71 is provided with a switch for operating the diesel digital generator 1 and a monitor for indicating the operating condition.

[0035] An inverter 50 and a battery 20 are arranged side by side from the left to the right of the front portion of the generator 40.

[0036] The inverter 50 converts the electric power generated by the generator 40 into an AC power of a predetermined frequency and outputs it. The inverter 50 is disposed on the lower side of the control device 70, i.e., near the left side of the battery 20.

The battery 20 is a device that supplies electric power to the starter for starting the engine 30, the control unit of the inverter 50, the control panel 71, and the like. The battery 20 is disposed inside the casing 10 at the front of the base 12, the lower direction of the control unit 70, and the right side of the inverter 50. The battery 20 is fixed to the inverted U-shaped welded plate 12a by a battery fixing belt from above.

An air hood 40a is disposed outside the generator 40, an electronic governor 80 is fixed to the right side of the air hood 40a, and an air cleaner 31 is disposed above the electronic governor 80.

[0039] The electronic governor 80 is a device that adjusts the rotational speed of the generator 40. The electronic governor 80 is disposed on a welded plate welded to the middle portion of the right side of the hood 40a outside the motor 40.

[0040] The air cleaner 31 is a device that supplies the engine 30 after purifying the outside air. The air cleaner 31 is disposed at the right front of the engine 30 and is located above the generator 40, is fixed to the cylinder head air deflector above the engine 30, and is coupled to the engine 30 through an intake pipe.

[0041] A muffler 32 is disposed behind the engine 30, and a fuel tank 60 is disposed above the muffler 32.

[0042] The muffler 32 is a device that cancels the exhaust sound of the engine 30. The muffler 32 is disposed behind the engine 30 and is coupled to the engine 30 through an exhaust pipe. An exhaust hood 17 is provided around the muffler 32 so as to be in communication only with the space on the rear side of the diesel digital generator 1. [0043] The exhaust tail pipe 32a of the muffler 32 faces rearward and extends all the way to the tail of the casing 10, that is, near the rear side panel of the cover 11, and is opened at its extended end. The exhaust gas generated by the engine 30 can be exhausted through the exhaust pipe, via the muffler 32, and then discharged from the exhaust tail pipe 32a to the outside of the casing 10.

[0044] The fuel tank 60 is a device that stores fuel supplied to the engine 30. The fuel tank 60 is disposed on the rear side of the engine 30 and is fixed above the exhaust hood 17 at the periphery of the muffler 32.

[0045] The fuel filter 90 is a device that removes foreign matter in the fuel through a filter. The fuel filter 90 is disposed on an L-shaped fixing plate welded to the front side of the exhaust hood 17.

As shown in FIG. 2, the front side of the generator 40 is further provided with a front bulkhead 16, and the control device 70, the inverter 50 and the battery 20 are located in front of the front bulkhead 16, and they are combined with the rear side generator 40. Separate devices. An easy-to-remove cover is provided on the lower right side of the front bulkhead 16. This cover is removed if the battery 20 needs to be repaired and removed.

The electronic governor 80 in the present invention is disposed in front of the engine 30, that is, on the right side of the outer casing hood 40a of the generator 40, and enlarges the space between the electronic governor 80 and the high temperature region, and reduces The heat transfer: In addition, the three air inlets 13A, 13B, and 13C in the present invention are respectively located on both sides of the exhaust hood 17 outside the muffler 32, and are located below the fuel tank 60 and near the air hood 40a. And in the lower position of the control device 70, the cooling air entering from the air inlet port will take a large amount of heat when the electronic governor 80 is swept, and the surface temperature thereof is lowered, thereby ensuring the working efficiency of the electronic governor 80. Moreover, it is possible to prevent the electronic governor 80 from malfunctioning due to high temperature and to reduce the maintenance frequency.

Claims

Rights request

1. A diesel digital generator for facilitating heat dissipation of an electronic governor, comprising a casing (10) consisting of a base (12) and a cover (11), wherein the casing (1.0) is provided with an engine (30) , generator (40), inverter (50), control device (70), electronic governor (80), battery (20), fuel tank (60), air filter (31), and silencer ( 32), characterized in that: the engine (30) is disposed in a middle portion of the base (12), and the generator (40) is connected to the front of the engine (30), and the front of the generator (40) The control device (70) is disposed above the portion, and the inverter (50) and the battery (20) are juxtaposed from the left to the right of the front portion of the generator (40); the generator An air guiding cover (40a) is disposed outside the (40), and the electronic governor (80) is fixed to the right side of the air guiding cover (40a), and the electronic governor (80) is disposed above the electronic governor (80) The air cleaner (31); the muffler (32) is disposed behind the engine (30), and the fuel tank (60) is disposed above the muffler (32); cover The rear portion of the left and right side panels of (11) and the front portion of the base (12) are provided with an air inlet (13), a rear side panel of the cover (11) and a rear portion of the base (12) An air vent (14) is provided.

2. The diesel digital power generator for facilitating heat dissipation of an electronic governor according to claim 1, wherein a front partition (16) is disposed on a front side of the generator (40), and the control device (70) The inverter (50) and the battery (20) are located in front of the front partition (16).

3. A diesel digital generator for facilitating heat dissipation of an electronic governor according to claim 1, wherein an outer side of said muffler (32) is provided with an exhaust hood (17).

4. The diesel digital power generator for facilitating heat dissipation of an electronic governor according to claim 1, wherein a maintenance door (18) is disposed on a right side plate (11d) of the cover (11).