CN105322715A - Semi-packaged variable frequency generator - Google Patents
Semi-packaged variable frequency generator Download PDFInfo
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- CN105322715A CN105322715A CN201410363874.3A CN201410363874A CN105322715A CN 105322715 A CN105322715 A CN 105322715A CN 201410363874 A CN201410363874 A CN 201410363874A CN 105322715 A CN105322715 A CN 105322715A
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- motor
- frequency conversion
- type frequency
- engine
- muffler
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a semi-packaged variable frequency generator. The semi-packaged variable frequency generator comprises an engine, a silencer and a motor; the silencer is fixed to a cylinder head of the engine and is used for reducing noises caused by the vibration of the engine; the motor is connected with the engine; a lateral end surface of the rotor of the motor, which is adjacent to an end cap of the motor, is fixedly provided with a fan blade assembly which is used for generating an air flow by rotating with the rotor; an opening is formed in the end cap; the silencer is fixed to the cylinder head through a connecting piece; and the motor is also provided with a flow guide structure. The fan blade assembly is arranged in the motor, and a turbine fan assembly is arranged in an inverter control box, and therefore, the heat radiation effects of the motor and the inverter control box can be enhanced, and the heat radiation of the silencer is achieved at the same time; louvered air vents and through ducts are arranged in the inverter control box and a side plate, and a waterproof groove is arranged under a lateral edge of an oil box, and therefore, waterproof performance is improved.
Description
Technical field
The present invention relates to electrical generator fields, particularly a kind of half pouch-type frequency conversion generator.
Background technology
At present, a lot of generating set due to needs cost-saving, protection water-tight device is simple and crude, and existing market up-conversion generator generally adopts permanent magnet generator, and this generator is exporting powerful while, and stators and rotators all can produce a large amount of heat energy.If these heats can not be taken away quickly, the insulation property of stator will be destroyed and to make on rotor magnet demagnetization, thus reducing motor useful life, affecting motor performance.At present, the cooling means of frequency conversion generator usually adopts and engine and motor is placed in a space sealed, and adopts a cooling fan, and frequency converter is placed in the front end of fan, and this structure makes generator and engine share a cooling air channel.Because of casing and Cylinder Head Temperature higher, and inverter controller is positioned at fan front, is in air intake direction, will increase air intake resistance, therefore air quantity is little and flow velocity is slow.In order to strengthen cooling effect, often adopting the height increasing fan blade, so not only adding the overall structure size of unit, and greatly reduce the useful life of motor, affect the overall performance of unit.
Summary of the invention
The technical problem to be solved in the present invention is smooth and without the defect of waterproof ability in order to overcome prior art heat radiation, provides a kind of heat dispersion better and can provide half pouch-type frequency conversion generator of certain water-proof function further.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of half pouch-type frequency conversion generator, it includes an engine, a muffler and a motor, and its feature is, the cylinder head of described muffler and described engine is fixed, for reducing the noise that described engine occurs because of vibration;
Described motor is connected with described engine;
The rotor of described motor is fixed with a fan blade assembly on end cap one side end face of described motor, and described fan blade assembly is used for producing air-flow with the rotation of described rotor;
Described end cap is provided with at least one opening for ventilating;
Described muffler and described cylinder head are fixed by a connection piece, described motor are also provided with one for described air-flow being guided to the flow-guiding structure in the direction of described muffler and/or described connector.
That is, in motor, install fan component additional, fan component creates air-flow along with rotor turns, and this air-flow blows to muffler by flow-guiding structure.Temperature due to muffler is general all far above miscellaneous parts such as motors, and this air-flow can dispel the heat to motor on the one hand, and this air-flow can also be blowed to muffler utilizes to dispel the heat to muffler again on the other hand.
Preferably, described half pouch-type frequency conversion generator also includes an inverter control case;
Described inverter control case is arranged at the side of described muffler, includes a casing, at least one fin and a turbofan assembly;
Described casing is provided with at least one groove for ventilating, described fin is fixed in described casing, described turbofan assembly is arranged at the side of described fin, and described turbofan assembly is used for rotating be with moving air flow through described fin and blow to described muffler.
Herein, identical with aforementioned principles, turbofan assembly causes air-flow through after fin herein, then this air-flow is blowed to muffler, both also this air-flow can be utilized to dispel the heat to muffler again to the circuit heat radiation in inverter control case.
Preferably, described motor is arranged at the side of described muffler, and described flow-guiding structure is at least one being arranged on described end cap just to the through hole of described muffler.
Preferably, the side of described half pouch-type frequency conversion generator is provided with at least one side plate, and described side plate is provided with the netted ventilation hole for ventilating on the region of described inverter control case and described motor.
Preferably, described side plate is also provided with some louvered vent.
Herein, louvered vent has certain water-proof function.
Preferably, described half pouch-type frequency conversion generator also includes one for carrying the support frame of described motor, described engine, described inverter control case and described muffler;
Described side plate is arranged at the side of described support frame, the side of described support frame is also provided with one for arranging the panel guard shield of panel;
The top shelf of described support frame is provided with one for being described engine oil fuel tank;
At least one capillary groove is provided with immediately below the side of described fuel tank.
Herein, capillary groove can accept the water flow down by the body along fuel tank above fuel tank, to reach the object of waterproof.
Preferably, below described engine, pad is provided with one for the damping block of vibration damping.
Preferably, on described support frame, rotary setting has at least one control hand lever, is provided with some rollers bottom described support frame.
Preferably, described groove is louvered structure.
Preferably, described inverter control case is arranged at the side of described motor away from described engine.
Positive progressive effect of the present invention is: by arranging fan component in motor, arrange turbofan assembly further in inverter control case, while making motor and inverter control case radiating effect increase, can take into account the heat radiation of muffler; Louvered vent and groove are set further by inverter control case He on side plate, and capillary groove is set immediately below fuel tank side, improve waterproof ability.
Accompanying drawing explanation
Fig. 1 is the structural representation of half pouch-type frequency conversion generator of present pre-ferred embodiments.
Fig. 2 is the explosive view of half pouch-type frequency conversion generator of present pre-ferred embodiments.
Fig. 3 is the structural representation of inverter control case of the present invention.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
Fig. 1 is the structural representation of the half pouch-type frequency conversion generator of the present embodiment, Fig. 2 is the explosive view of the half pouch-type frequency conversion generator of the present embodiment, as shown in Fig. 1 ~ 2, the half pouch-type frequency conversion generator of the present embodiment mainly comprises frame 1 and engine housing, fuel tank 2, protective rail plate 3, m5 screw 4, panel guard shield 5, m5 screw 6, control panel 7, m6 screw 8, storage battery 9, m6 bolt 10, electric motor end cap 11, m8 bolt 12, m6 bolt 13, fan blade 14, rotor 15, m10 bolt 16, m6 bolt 17, stator 18, motor housing 19, inverter control case 20, muffler 21, side protective plate 22, m6 screw 23, back shroud 24, m6 screw 25, hand lever 26, capillary groove 27 etc.
Half pouch-type frequency conversion generator comprises rotor 15 and the generator unit stator 18 of generator, electric motor end cap 11 bolt 12 is arranged on casing, fan blade 14 packs on rotor 15, with on bolt 13 fixed rotor 15, stator 18 is fixed on motor housing 19, and lock with four bolts 17, the rotor 15 installing fan blade is packed on bent axle, and lock with m10 bolt 16, mounted stator 18 and motor housing 19 are packed in rotor 15, motor housing 19 and electric motor end cap 11 seam are to upper and be tightened by bolts, and muffler 21 is arranged on the cylinder body of frame 1.
Inverter control case 20, turbofan 202, fin, circuit board 203, shutter 204 etc., case shell 201 is injection molded with plastics, wire hole and air outlet is had in it, inverter control case 20 is arranged on rack earth crossbeam 28, turbofan 202 is arranged in case shell 201, fin is fixed on circuit board 203, installing fin and circuit board 203 is fixed in case shell 201, shutter 204 is being covered with on screw lock.
After installing more than described, fuel tank 2 is inserted in frame 1 from left side, block with baffle plate and lock, protective rail plate 3 is arranged on frame 1 rear (cylinder head direction), fix with four screws 4, mask plate 5 is arranged on (starter direction) in frame 1, fix with four screws 6, control panel 7 to be arranged on dial hood 5, fix with six tapping screws 8, the side protective plate 22 on right side is arranged in frame 1, locks with four screws 23, rear backplate plate 24 is arranged in frame 1, locks with six screws 25.Pull bar 26 is arranged on frame 1 entablature, and can 160 degree of rotations, by locked with bolts, need not be fixed in draw-in groove.Frame 1 is welded with capillary groove 27, not only add frame strength and can also receive the rainwater that fuel tank flows down, storage battery bracing frame has been welded in frame 1 upper right side, and frame 1 lower wall is provided with four wheels and moves by it more portable.
Operation principle and the course of work of the half pouch-type frequency conversion generator of the present embodiment are as follows: pass through radiator grille, rear backplate, right side backplate adds the generator that top tank forms a kind of new Semi surrounding type, fan blade 14 on the rotor 15 of generator rotates under the drive of engine crankshaft 1, blast is formed in the rotor 15 of generator with the cavity of the electric motor end cap 11 of generator, cold air is made to enter in cavity from electric motor end cap protruding side air inlet, by the rotation of fan blade 14, suction higher-pressure region is formed at fan blade 14, make air through frame 1 surrounding heat take in electric motor end cap sweep to outside, strong cylinder head and thermal radiation that muffler produces to be taken away, define air flowing, and between reduced cylinder head and muffler temperature, the rotor 15 of generator is while High Rotation Speed, stator 18 is arranged on motor housing 19 and also produces heat sinking function, ventilation and heat effect is provided with outside its motor housing 19, also the heat of the motor stator 18 in rotor 15 is also taken away simultaneously, cold wind constantly supplies the stator 18 in electric face, magnet on turning can not be demagnetized because of heat, ensure that the stability of motor.
Fig. 3 is the structural representation of inverter control case of the present invention, as shown in Figure 3, the position of its uniqueness of inverter control case 20 cuts off heat that generator brings, its working method of independently dispelling the heat is as follows: have in it individual turbofan from hundred outside window face cold air is sucked in, electronic component overhead on circuit board in oblong aperture being drawn onto air outlet in the groove on fin, air port below muffler, create air flowing, thus ensure that the reliability of inverter continuous firing as.Radiating mode as shown in Figure 1.
The beneficial effect that the present embodiment brings is as follows:
In the present embodiment, electric motor end cap lateral projections air inlet, utilize the fan of particular design on rotor, engine also produces heat at High Rotation Speed casing periphery, generator sucks air at High Rotation Speed fan at casing periphery, the heat that casing gives out is taken away, fan also cools stator at High Rotation Speed simultaneously, the heat that huge blast partition power brings also blows to cylinder head direction simultaneously, the high efficiency heat taken away generator operation and produced, ensure that the reliability of engine, extend the useful life of generator.
In embodiment, inverter control case is positioned at the other side of motor housing, it is arranged on rack earth crossbeam, fix with bolt, because of the impact that heat brings of its unique location thorough low partition generator, in inverter control case, its special whirling fan plays huge energy, turbofan sucks from shutter inspiration cold air, from an oblong aperture, enter fin groove through electronic component to enter fan and discharge, air port is just below muffler, also the air under muffler has been driven to flow, reduce the thermal radiation of muffler, also ensure that inverter stability simultaneously.
In embodiment, front panel and guard rail can adopt plastic production to form, under topic, mounting process is more simplified before cost-saving, the human oriented design user of hand lever is motor-driven more convenient, right flank backplate and rear backplate singly can not isolated child and be stretched out one's hand and touch the hot position of cylinder body and muffler and casing, and user also can be made relieved.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite not deviating from principle of the present invention and essence, various changes or modifications can be made to these execution modes.Therefore, protection scope of the present invention is defined by the appended claims.
Claims (10)
1. a half pouch-type frequency conversion generator, it includes an engine, a muffler and a motor, it is characterized in that, the cylinder head of described muffler and described engine is fixed, for reducing the noise that described engine occurs because of vibration;
Described motor is connected with described engine;
The rotor of described motor is fixed with a fan blade assembly on end cap one side end face of described motor, and described fan blade assembly is used for producing air-flow with the rotation of described rotor;
Described end cap is provided with at least one opening for ventilating;
Described muffler and described cylinder head are fixed by a connection piece, described motor are also provided with one for described air-flow being guided to the flow-guiding structure in the direction of described muffler and/or described connector.
2. half pouch-type frequency conversion generator as claimed in claim 1, is characterized in that, described half pouch-type frequency conversion generator also includes an inverter control case;
Described inverter control case is arranged at the side of described muffler, includes a casing, at least one fin and a turbofan assembly;
Described casing is provided with at least one groove for ventilating, described fin is fixed in described casing, described turbofan assembly is arranged at the side of described fin, and described turbofan assembly is used for rotating be with moving air flow through described fin and blow to described muffler.
3. half pouch-type frequency conversion generator as claimed in claim 2, it is characterized in that, described motor is arranged at the side of described muffler, and described flow-guiding structure is at least one being arranged on described end cap just to the through hole of described muffler.
4. half pouch-type frequency conversion generator as claimed in claim 3, it is characterized in that, the side of described half pouch-type frequency conversion generator is provided with at least one side plate, and described side plate is provided with the netted ventilation hole for ventilating on the region of described inverter control case and described motor.
5. half pouch-type frequency conversion generator as claimed in claim 4, is characterized in that, described side plate is also provided with some louvered vent.
6. half pouch-type frequency conversion generator as claimed in claim 5, is characterized in that, described half pouch-type frequency conversion generator also includes one for carrying the support frame of described motor, described engine, described inverter control case and described muffler;
Described side plate is arranged at the side of described support frame, the side of described support frame is also provided with one for arranging the panel guard shield of panel;
The top shelf of described support frame is provided with one for being described engine oil fuel tank;
At least one capillary groove is provided with immediately below the side of described fuel tank.
7. half pouch-type frequency conversion generator as claimed in claim 6, is characterized in that, below described engine, pad is provided with one for the damping block of vibration damping.
8. half pouch-type frequency conversion generator as claimed in claim 7, is characterized in that, on described support frame, rotary setting has at least one control hand lever, is provided with some rollers bottom described support frame.
9. half pouch-type frequency conversion generator as claimed in claim 2, is characterized in that, described groove is louvered structure.
10. half pouch-type frequency conversion generator as claimed in claim 2, is characterized in that, described inverter control case is arranged at the side of described motor away from described engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363874.3A CN105322715A (en) | 2014-07-28 | 2014-07-28 | Semi-packaged variable frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363874.3A CN105322715A (en) | 2014-07-28 | 2014-07-28 | Semi-packaged variable frequency generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105322715A true CN105322715A (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363874.3A Pending CN105322715A (en) | 2014-07-28 | 2014-07-28 | Semi-packaged variable frequency generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105322715A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781731A (en) * | 2016-04-22 | 2016-07-20 | 江苏杰特动力科技有限公司 | Vehicle-mounted variable-frequency generator set |
| CN110107397A (en) * | 2019-05-31 | 2019-08-09 | 重庆大江动力设备制造有限公司 | A kind of generating set with frequency converter |
| CN111140346A (en) * | 2020-01-15 | 2020-05-12 | 宁德扬科狮虎进出口有限公司 | Portable variable frequency generator set with frame |
| CN113364212A (en) * | 2021-06-22 | 2021-09-07 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
-
2014
- 2014-07-28 CN CN201410363874.3A patent/CN105322715A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781731A (en) * | 2016-04-22 | 2016-07-20 | 江苏杰特动力科技有限公司 | Vehicle-mounted variable-frequency generator set |
| CN105781731B (en) * | 2016-04-22 | 2018-07-20 | 江苏杰特动力科技有限公司 | A kind of vehicle-mounted variable-frequency power generation unit |
| CN110107397A (en) * | 2019-05-31 | 2019-08-09 | 重庆大江动力设备制造有限公司 | A kind of generating set with frequency converter |
| CN111140346A (en) * | 2020-01-15 | 2020-05-12 | 宁德扬科狮虎进出口有限公司 | Portable variable frequency generator set with frame |
| CN113364212A (en) * | 2021-06-22 | 2021-09-07 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
| CN113364212B (en) * | 2021-06-22 | 2022-09-23 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160210 |