CN105781731A - Vehicle-mounted variable-frequency generator set - Google Patents
Vehicle-mounted variable-frequency generator set Download PDFInfo
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- CN105781731A CN105781731A CN201610253796.0A CN201610253796A CN105781731A CN 105781731 A CN105781731 A CN 105781731A CN 201610253796 A CN201610253796 A CN 201610253796A CN 105781731 A CN105781731 A CN 105781731A
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- Prior art keywords
- air inlet
- unit
- acoustic filter
- motor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/042—Rotating electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a vehicle-mounted variable-frequency generator set. A left set side cover (8) of a shell is provided with an inverter combination (9), an engine wind scooper (2-1) is arranged on one side of an engine body inside the shell, a silencer (2-3) and a box body side cover (2-2) are arranged on the other side of the engine body, the box body side cover (2-2) is sequentially connected with a motor inner wind scooper (2-6), a motor air guide transition joint (2-7), a motor cooling fan (2-8), a motor flywheel (2-9), a motor stator (2-10) and a motor stator base (2-11), an engine fixing base (3) is arranged under an engine and generator combination (2), a first-stage shock absorption foot (10), a second-stage shock absorption foot (11) and a second-stage shock absorption support (4) are arranged on the bottom of an engine fixing base (3), and an air inlet I of the inverter combination (9), an air inlet II of a right set side cover (6) and an air inlet III of a set top cover (1) communicate with the interior of the shell.
Description
Technical field
The present invention relates to a kind of vehicle-mounted variable-frequency power generation unit.
Background technology
Vehicle-mounted variable-frequency power generation unit is mainly used on all kinds of motor vehicles, for meet user use convenience with comfortable, in addition to possessing the function of common generator group, also vibrations, noise, heat radiation, whole height are had special requirement.Vehicle-mounted variable-frequency power generation unit is made up of electromotor, motor, frequency-variable controller and other auxiliary device.The chemical energy of burning release is converted into mechanical energy by electromotor, changes mechanical energy is electric energy by electromotor, both the most all can supervene substantial amounts of heat energy, during converter AC-DC conversion, self also can produce certain heat, for guaranteeing that whole generating set runs well, internal body needs sound ventilation environment, causes a machine to be adequately cooled.On the other hand, generating set work process can produce bigger noise, injure the orthobiosis of user, for reducing noise, generating set will be made totally enclosed structure, but for solving the heat dissipation problem run after machine is closed, also to arrange the cooling air channel system of complexity, shock mitigation system together with more preferable effect, the volume of generating set greatly increases, and motor vehicles limited space, some vehicles need generating set to be arranged under vehicle chassis, performance is well passed through for meet vehicle, the volume of vehicle-based generator set especially height marker badly influences its application on vehicle.
Summary of the invention
The invention provides a kind of vehicle-mounted variable-frequency power generation unit, it is the most rationally distributed, applied widely, and can reduce noise.
nullPresent invention employs techniques below scheme: a kind of vehicle-mounted variable-frequency power generation unit，It is provided with housing，Described housing is by unit overhead guard、Unit right cap、Unit left cap、Overhead guard front shroud、Constitute with unit base,The inverter that is provided with of described unit left cap combines，Generator of engine combination it is provided with in the inside of housing，Described generator of engine combination includes engine main body，It is provided with electromotor wind scooper in the side of engine main body，Opposite side at engine main body is provided with acoustic filter and casing limit lid，Cover on casing limit and be connected with wind scooper in motor in turn、Motor wind-guiding transit joint、Motor cooling fan、Motor flywheels、Motor stator and motor stator holder，It is provided with electromotor in the bottom of generator of engine combination and fixes seat，Electromotor is fixed the bottom of seat and is provided with one-level shock-absorbing foot、Two grades of shock-absorbing foots and two grades of shock bracket，One-level shock-absorbing foot is placed in two grades of shock bracket and is connected with two grades of shock bracket，Two grades of shock bracket are placed on two grades of shock-absorbing foots，Two grades of shock bracket are connected with unit base by two grades of shock-absorbing foots，Described inverter combination is provided with air inlet I，Described unit right cap is provided with air inlet II，Described unit overhead guard is provided with air inlet III，Air inlet I、Air inlet II and air inlet III all communicate with in housing.
Described acoustic filter is connected by acoustic filter nut and engine main body are fixing, it is externally provided with acoustic filter inner cover at acoustic filter, acoustic filter inner cover is provided with space, connect on acoustic filter inner cover and have muffler outer hood, acoustic filter is positioned at acoustic filter inner cover and the chamber of muffler outer hood composition, the top of acoustic filter inner cover and the top of muffler outer hood are both configured to flat shape, are provided with muffler cover inserted sheet between acoustic filter inner cover and muffler outer hood.
Described air-flow enters electromotor wind scooper cooling engine interior, discharges between muffler outer hood and acoustic filter inner cover after cooling outside to acoustic filter；Air-flow enters motor stator holder, under motor cooling fan effect, flows through motor stator, motor flywheels, and centrifugal flow is discharged between muffler outer hood and acoustic filter inner cover after the cooling outside to acoustic filter of wind scooper in motor and motor wind-guiding transit joint.
Described unit overhead guard and unit right cap, unit left cap are to close housing with the housing of connection, overhead guard front shroud and the unit base composition of inverter combination.
Described inverter combination includes inverter circuit board, fin and inverter support, air inlet I is distributed on inverter support, the back side of inverter circuit board is fixedly mounted on inverter support, it is provided with fin between the back side of inverter circuit board and inverter support, inverter support is arranged on the opening part of unit left cap, inverter circuit board is positioned at housing, air-flow enters in housing by the air inlet I of inverter support, enters electromotor wind scooper in after being taken away by the heat that electric elements on inverter circuit board produce when flowing through fin.
Described housing is all pasted with sponge by the medial surface of the medial surface of unit overhead guard, the medial surface of unit right cap, the medial surface of unit left cap and overhead guard front shroud.
Described air inlet I is set to labyrinth type air intake mouth.
The air inlet II of described unit right cap is set to shutter, air-flow enters in housing by the air inlet II in unit right cap, being partly into motor stator holder, some enters electromotor wind scooper, and the surface of generator of engine combination is first cooled down before entering both sides by air-flow.
The described air inlet III on unit overhead guard is set to shutter, air-flow enters in housing by the air inlet III on unit overhead guard, being partly into motor stator holder, some enters electromotor wind scooper, and the surface of generator of engine combination is first cooled down before entering both sides by air-flow.
Described electromotor is fixed the part that the combination of seat and generator of engine is connected and is set to concave shape, and the part that two grades of described shock bracket are connected with two grades of shock-absorbing foots is set to epirelief shape.
Present invention employing has the advantages that and have employed above technical scheme, the housing of the present invention designs for full-closed structure, significantly reduce noise, reasonably air-flow is arranged and generating set internal operating temperature is controlled in the reasonable scope, two-stage shock mitigation system structure not only reduces complete machine vibrations but also makes whole height control to 280mm, is installed under automobile chassis adapt to use at more multi-vehicle-type.The bottom of inventive engine generator combination is provided with electromotor and fixes seat, electromotor is fixed the bottom of seat and is provided with one-level shock-absorbing foot, two grades of shock-absorbing foots and two grades of shock bracket, one-level shock-absorbing foot is placed in two grades of shock bracket and is connected with two grades of shock bracket, two grades of shock bracket are placed on two grades of shock-absorbing foots, two grades of shock bracket are connected with unit base by two grades of shock-absorbing foots, and the vibrations that the work of such electromotor produces are delivered to unit base and the most greatly weaken.Inventive shell is all pasted with sponge by the medial surface of the medial surface of unit overhead guard, the medial surface of unit right cap, the medial surface of unit left cap and overhead guard front shroud, so change the material natural frequency of vibration, add the roundtrip of sound wave, effectively reduce total noise of centrifuge.Air inlet I of the present invention is set to labyrinth type air intake mouth, which decreases induction noise.The air inlet II of unit right cap of the present invention is set to shutter, and the described air inlet III on unit overhead guard is set to shutter, so can be effectively reduced noise.Inventive engine is fixed the part that the combination of seat and generator of engine is connected and is set to concave shape, and the part that two grades of described shock bracket are connected with two grades of shock-absorbing foots is set to epirelief shape, so can be effectively reduced highly.Acoustic filter of the present invention is connected by acoustic filter nut and generator of engine main body are fixing, it is externally provided with acoustic filter inner cover at acoustic filter, acoustic filter inner cover is provided with space, connect on acoustic filter inner cover and have muffler outer hood, acoustic filter is positioned at acoustic filter inner cover and the chamber of muffler outer hood connection, the top of acoustic filter inner cover and the top of muffler outer hood are both configured to flat shape, muffler cover inserted sheet it is provided with between acoustic filter inner cover and muffler outer hood, it is used for merging out the locus that acoustic filter installation tool needs, so can be effectively reduced whole height.The present invention is wind scooper and motor wind-guiding transit joint in motor in casing limit lid disposed inboard, so control the overall dimensions of entirety, achieve required wind-guiding function, the most do not affect other to overall dimensions without be strict with generating set on use, such that it is able to the overall height realizing 3kw vehicle-mounted variable-frequency power generation unit controls to 280mm.
Accompanying drawing explanation
Fig. 1 is that the structure of the present invention launches schematic diagram.
Fig. 2 is the expansion schematic diagram of inventive engine generator combination.
Fig. 3 is the cooling wind direction schematic diagram of inventive engine generator combination.
Fig. 4 is the expansion schematic diagram of inverter of the present invention combination.
Fig. 5 is the schematic diagram of inventive engine electromotor shock-damping structure.
Fig. 6 is muffler installation structure schematic diagram of the present invention.
Fig. 7 is that motor of the present invention cools down fan wind-guiding schematic diagram.
Detailed description of the invention
nullIn FIG，The invention provides a kind of vehicle-mounted variable-frequency power generation unit，It is provided with housing，Described housing is by unit overhead guard 1、Unit right cap 6、Unit left cap 8、Overhead guard front shroud 7、Constitute with unit base 5,The inverter that is provided with of described unit left cap 8 combines 9，Generator of engine combination 2 it is provided with in the inside of housing，In figs. 2 and 3，Described generator of engine combination 2 includes engine main body，Electromotor wind scooper 2-1 it is provided with in the side of engine main body，Opposite side at engine main body is provided with acoustic filter 2-3 and casing limit lid 2-2，Casing limit lid 2-2 is connected with in turn wind scooper 2-6 in motor、Motor wind-guiding transit joint 2-7、Motor cooling fan 2-8、Motor flywheels 2-9、Motor stator 2-10 and motor stator holder 2-11，It is provided with electromotor in the bottom of generator of engine combination 2 and fixes seat 3，In Figure 5，Electromotor is fixed the bottom of seat 3 and is provided with one-level shock-absorbing foot 10、Two grades of shock-absorbing foots 11 and two grades of shock bracket 4，One-level shock-absorbing foot 10 is placed in two grades of shock bracket 4 and is connected with two grades of shock bracket 4，Two grades of shock bracket 4 are placed on two grades of shock-absorbing foots 11，Two grades of shock bracket 4 are connected with unit base 5 by two grades of shock-absorbing foots 11，Described inverter combination 9 is provided with air inlet I，Described unit right cap 6 is provided with air inlet II，Described unit overhead guard 1 is provided with air inlet III，Air inlet I、Air inlet II and air inlet III all communicate with in housing，Described acoustic filter 2-3 is connected by acoustic filter nut 2-13 is fixing with engine main body，It is externally provided with acoustic filter inner cover 2-12 at acoustic filter 2-3，Acoustic filter inner cover 2-12 is provided with space，On acoustic filter inner cover 2-12, connection has muffler outer hood 2-5，In figure 6，Acoustic filter 2-3 is positioned at the chamber that acoustic filter inner cover 2-12 and muffler outer hood 2-5 is constituted，The top of acoustic filter inner cover 2-12 and the top of muffler outer hood 2-5 are both configured to flat shape，Muffler cover inserted sheet 2-4 it is provided with between acoustic filter inner cover 2-12 and muffler outer hood 2-5，Air-flow enters electromotor wind scooper 2-1 and cools down engine interior，Discharge between muffler outer hood 2-5 and acoustic filter inner cover 2-12 after cooling outside to acoustic filter 2-3；Air-flow enters motor stator holder 2-11, in the figure 7, under motor cooling fan 2-8 effect, flowing through motor stator 2-10, motor flywheels 2-9, centrifugal flow is discharged between muffler outer hood 2-5 and acoustic filter inner cover 2-12 after wind scooper 2-6 in motor and motor wind-guiding transit joint 2-7 cooling outside to acoustic filter 2-3；nullDescribed unit overhead guard 1 and unit right cap 6、Unit left cap 8 combines the connection of 9 with inverter、The housing that overhead guard front shroud 7 and unit base are constituted is for closing housing，In the diagram，Described inverter combination 9 includes inverter circuit board 9-1、Fin 9-2 and inverter support 9-3，Air inlet I is distributed on inverter support 9-3，The back side of inverter circuit board 9-1 is fixedly mounted on inverter support 9-3，It is provided with fin 9-2 between the back side of inverter circuit board 9-1 and inverter support 9-3,Inverter support 9-3 is arranged on the opening part of unit left cap 8，Inverter circuit board 9-1 is positioned at housing，Air-flow is entered in housing by the air inlet I of inverter support 9-3，Enter in electromotor wind scooper 2-1 after the heat that electric elements on inverter circuit board 9-1 produce being taken away when flowing through fin 9-2，Described housing is by the medial surface of unit overhead guard 1、The medial surface of unit right cap 6、The medial surface of unit left cap 8 and the medial surface of overhead guard front shroud 7 are all pasted with sponge，Described air inlet I is set to labyrinth type air intake mouth，The air inlet II of described unit right cap 6 is set to shutter，Air-flow is entered in housing by the air inlet II in unit right cap 6，It is partly into motor stator holder 2-11，Some enters electromotor wind scooper 2-1，The surface of generator of engine combination 2 is first cooled down before entering both sides by air-flow，The described air inlet III on unit overhead guard 1 is set to shutter，Air-flow is entered in housing by the air inlet III on unit overhead guard 1，It is partly into motor stator holder 2-11，Some enters electromotor wind scooper 2-1，The surface of generator of engine combination 2 is first cooled down before entering both sides by air-flow，Described electromotor is fixed the parts that seat 3 and generator of engine combination 2 is connected and is set to concave shape，The part that two grades of described shock bracket 4 are connected with two grades of shock-absorbing foots 11 is set to epirelief shape，The present invention is wind scooper 2-6 and motor wind-guiding transit joint 2-7 in motor in casing limit lid 2-2 disposed inboard，Control the overall dimensions of entirety，Achieve required wind-guiding function，The most do not affect other to overall dimensions without be strict with generating set on use，The overall height making 3kw vehicle-mounted variable-frequency power generation unit controls to 280mm，From engine primer and electromotor both sides suction airflow respectively during generator of engine work in combination，Machine inner chamber is cooled down.
Claims (10)
- null1. a vehicle-mounted variable-frequency power generation unit，It is characterized in that it is provided with housing，Described housing is by unit overhead guard (1)、Unit right cap (6)、Unit left cap (8)、Overhead guard front shroud (7)、Constitute with unit base (5),The inverter that is provided with of described unit left cap (8) combines (9)，Generator of engine combination (2) it is provided with in the inside of housing，Described generator of engine combination (2) includes engine main body，Electromotor wind scooper (2-1) it is provided with in the side of engine main body，Opposite side at engine main body is provided with acoustic filter (2-3) and casing limit lid (2-2)，Casing limit lid (2-2) is connected with in turn wind scooper (2-6) in motor、Motor wind-guiding transit joint (2-7)、Motor cooling fan (2-8)、Motor flywheels (2-9)、Motor stator (2-10) and motor stator holder (2-11)，It is provided with electromotor in the bottom of generator of engine combination (2) and fixes seat (3)，Electromotor is fixed the bottom of seat (3) and is provided with one-level shock-absorbing foot (10)、Two grades of shock-absorbing foots (11) and two grades of shock bracket (4)，One-level shock-absorbing foot (10) is placed on two grades of shock bracket (4) and is above connected with two grades of shock bracket (4)，Two grades of shock bracket (4) are placed on two grades of shock-absorbing foots (11)，Two grades of shock bracket (4) are connected with unit base (5) by two grades of shock-absorbing foots (11)，Described inverter combination (9) is provided with air inlet I，Described unit right cap (6) is provided with air inlet II，Described unit overhead guard (1) is provided with air inlet III，Air inlet I、Air inlet II and air inlet III all communicate with in housing.
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, it is characterized in that described acoustic filter (2-3) is connected by acoustic filter nut (2-13) and engine main body are fixing, it is externally provided with acoustic filter inner cover (2-12) at acoustic filter (2-3), acoustic filter inner cover (2-12) is provided with space, the upper connection of acoustic filter inner cover (2-12) has muffler outer hood (2-5), the chamber that acoustic filter (2-3) is positioned at acoustic filter inner cover (2-12) and muffler outer hood (2-5) is constituted, the top of acoustic filter inner cover (2-12) and the top of muffler outer hood (2-5) are both configured to flat shape, muffler cover inserted sheet (2-4) it is provided with between acoustic filter inner cover (2-12) and muffler outer hood (2-5).
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, it is characterized in that described air-flow enters electromotor wind scooper (2-1) cooling engine interior, discharge between muffler outer hood (2-5) and acoustic filter inner cover (2-12) after cooling outside to acoustic filter (2-3)；Air-flow enters motor stator holder (2-11), under motor cooling fan (2-8) effect, flowing through motor stator (2-10), motor flywheels (2-9), centrifugal flow is discharged between muffler outer hood (2-5) and acoustic filter inner cover (2-12) after the cooling outside to acoustic filter (2-3) of wind scooper in motor (2-6) and motor wind-guiding transit joint (2-7).
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, is characterized in that the housing that described unit overhead guard (1) and unit right cap (6), unit left cap (8) are constituted with the inverter combination connection of (9), overhead guard front shroud (7) and unit base is to close housing.
- null5. according to the vehicle-mounted variable-frequency power generation unit described in claim 1 or 4，It is characterized in that described inverter combination (9) includes inverter circuit board (9-1)、Fin (9-2) and inverter support (9-3)，Air inlet I is distributed on inverter support (9-3)，The back side of inverter circuit board (9-1) is fixedly mounted on inverter support (9-3)，Fin (9-2) it is provided with between the back side of inverter circuit board (9-1) and inverter support (9-3),Inverter support (9-3) is arranged on the opening part of unit left cap (8)，Inverter circuit board (9-1) is positioned at housing，Air-flow is entered in housing by the air inlet I of inverter support (9-3)，Enter in electromotor wind scooper (2-1) after the heat that upper for inverter circuit board (9-1) electric elements produce being taken away when flowing through fin (9-2).
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, is characterized in that described housing is all pasted with sponge by the medial surface of the medial surface of unit overhead guard (1), the medial surface of unit right cap (6), the medial surface of unit left cap (8) and overhead guard front shroud (7).
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, is characterized in that described air inlet I is set to labyrinth type air intake mouth.
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, it is characterized in that the air inlet II of described unit right cap (6) is set to shutter, air-flow enters in housing by the air inlet II in unit right cap (6), it is partly into motor stator holder (2-11), some enters electromotor wind scooper (2-1), and the surface of generator of engine combination (2) is first cooled down before entering both sides by air-flow.
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, it is characterized in that the air inlet III on described unit overhead guard (1) is set to shutter, air-flow enters in housing by the air inlet III on unit overhead guard (1), it is partly into motor stator holder (2-11), some enters electromotor wind scooper (2-1), and the surface of generator of engine combination (2) is first cooled down before entering both sides by air-flow.
- Vehicle-mounted variable-frequency power generation unit the most according to claim 1, it is characterized in that described electromotor is fixed the part that seat (3) and generator of engine combination (2) be connected and is set to concave shape, the part that two grades of described shock bracket (4) are connected with two grades of shock-absorbing foots (11) is set to epirelief shape.
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| CN201610253796.0A CN105781731B (en) | 2016-04-22 | 2016-04-22 | A kind of vehicle-mounted variable-frequency power generation unit |
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| CN201610253796.0A CN105781731B (en) | 2016-04-22 | 2016-04-22 | A kind of vehicle-mounted variable-frequency power generation unit |
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| CN105781731A true CN105781731A (en) | 2016-07-20 |
| CN105781731B CN105781731B (en) | 2018-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106089416A (en) * | 2016-07-31 | 2016-11-09 | 江苏杰特动力科技有限公司 | A kind of vehicle-mounted variable-frequency power generation unit |
| CN106246347A (en) * | 2016-08-26 | 2016-12-21 | 刘书雄 | The diesel engine that a kind of safety is high |
| CN106285893A (en) * | 2016-09-20 | 2017-01-04 | 浙江中坚科技股份有限公司 | Digital frequency conversion generator cooling system |
| CN106285893B (en) * | 2016-09-20 | 2018-08-10 | 浙江中坚科技股份有限公司 | Digital frequency conversion generator cooling system |
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| CN105781731B (en) | 2018-07-20 |
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