CN213413503U

CN213413503U - Generator system directly connected with engine

Info

Publication number: CN213413503U
Application number: CN202021628915.4U
Authority: CN
Inventors: 陈登峰; 陈雷; 孙臣玉; 刘超; 张安冉; 丁永根; 叶茂
Original assignee: Shanghai Auto Edrive Co Ltd; Shanghai Auto Edrive Engineering Technology Research Center; Shanghai Edrive Co Ltd
Current assignee: Shanghai Auto Edrive Co Ltd; Shanghai Auto Edrive Engineering Technology Research Center; Shanghai Edrive Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-06-11
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to a generator system who directly links with engine, including the generator with fix the generator control ware directly over the generator, the one end of generator is equipped with the ring flange, is equipped with the flywheel cavity in the ring flange, the ring flange is direct fixed with the engine cooperation, the flywheel cavity is used for holding the dual mass flywheel of engine, the spline of the output shaft of generator is connected with the flywheel shaft of engine. Compared with the prior art, the utility model discloses generator controller fixes directly over the generator, the front end flange dish of generator can be directly be connected with the engine, the inside dual mass flywheel that is used for holding the engine of flywheel cavity, the spline and the flywheel shaft coupling of the output shaft of generator, drive dual mass flywheel and rotate when engine moving like this, and then drags the generator to generate electricity and charge to the battery, overall structure is compact, can directly link with the engine, the integrated level is high, high reliability, can satisfy production line automation assembly.

Description

Generator system directly connected with engine

Technical Field

The utility model relates to a generator system especially relates to a generator system who directly links with the engine.

Background

With continuous serious environmental pollution and gradual depletion of petroleum resources, energy conservation and emission reduction of automobiles become inevitable development directions, and pure electric automobiles cannot be comprehensively popularized to replace traditional fuel vehicles due to the influence of battery endurance mileage at the present stage, therefore, the fuel saving of the traditional automobile is a very critical link, the hybrid electric automobile just takes place under the condition, so that the hybrid electric automobiles are various, most of the existing hybrid electric automobiles on the market adopt two sets of driving systems for working, one set is an engine system, the other set is an electric driving system, however, the existing hybrid electric vehicle is additionally provided with two sets of driving systems, so that the weight of the whole vehicle is heavier, the endurance mileage of a battery is lower, the power utilization endurance requirement of an electric driving system is difficult to meet normally, and the vehicle is unrealistic only by means of the recovery of braking energy of the whole vehicle and the charging endurance of a driver. Therefore, a set of power generation system is added to the hybrid electric vehicle, so that the kinetic energy of the engine in the running process can be utilized to drive the generator to generate power, the high-voltage battery can be charged, the energy can be fully utilized to convert the electric energy, the long endurance of the hybrid electric vehicle can be ensured, and the fuel is saved to the maximum extent. The traditional generator system is generally separated from the engine, so that the energy conversion efficiency is low, and if the generator is directly connected with the output shaft of the engine, the energy conversion efficiency is greatly improved.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a generator system directly connected to an engine for overcoming the drawbacks of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a generator system who directly links with engine, includes the generator and fixes the generator controller directly over the generator, the one end of generator is equipped with the ring flange, be equipped with the flywheel cavity in the ring flange, the ring flange is direct fixed with the engine cooperation, the flywheel cavity is used for holding the dual mass flywheel of engine, the spline of the output shaft of generator is connected with the flywheel shaft of engine.

Preferably, the generator controller comprises a box body, a capacitor, a cooling plate, a filtering device, an IGBT, a PCB integrated plate and a three-phase assembly are arranged in the box body, and a whole vehicle high-voltage wire harness, a low-voltage plug and a water inlet pipe are arranged on the outer side of the box body;

the input end of the capacitor is electrically connected with the output end of the filter device, the cooling plate is arranged above the capacitor, and the IGBT is fixed on the cooling plate; the input end of the IGBT is electrically connected with the output end of the capacitor, and the output end of the IGBT is electrically connected with the input end of the three-phase component; the PCB integrated board is fixed above the IGBT and is electrically connected with a signal pin of the IGBT; and a high-voltage input terminal of the whole vehicle high-voltage wire harness penetrates through the side wall of the box body to be electrically connected with the input end of the filter device.

Preferably, the box body comprises a first water inlet, a first water outlet, a second water inlet, a capacitor encapsulating groove and a second water outlet, the first water inlet and the first water outlet are communicated with each other through a pipeline in the box body, and the second water inlet and the second water outlet are also communicated with each other through a pipeline in the box body.

Preferably, an annular groove is respectively arranged around the first water outlet and the second water inlet, the second water outlet is a cylindrical groove which is not concentric with the second water inlet, and the second water outlet is communicated with a cylindrical pipe which is matched with the water inlet of the generator through a notch.

Preferably, the capacitor is assembled in a groove in the bottom surface of the box body, heat-conducting glue is filled between the bottom surface of the capacitor and the groove, and a heat-conducting pad is filled between the upper surface of the capacitor and the cooling plate.

Preferably, the box body comprises a box cover, and ribs are arranged on the outer side of the generator, the outer side of the box body and the upper surface of the box cover.

Preferably, the ribs on the outer side of the generator and the upper surface of the box cover are in an annular radiation net structure.

Preferably, the cooling plate comprises an upper cooling plate and a lower cooling plate which are connected through welding, a heat dissipation groove is formed in the bottom surface of the upper cooling plate, and heat dissipation pins which are arranged in parallel and staggered are arranged in the heat dissipation groove.

Preferably, the output ends of the capacitors are arranged in a laminated manner, and the middle of the output end is provided with an arc-shaped structure.

Preferably, the three-phase subassembly includes that three-phase support and three-phase water conservancy diversion arrange, three-phase support upper portion is equipped with a rectangle recess, and the inside little rectangle recess that is equipped with three run through side by side of rectangle recess, the input that three-phase water conservancy diversion was arranged has three cylindrical copper pipe, three-phase water conservancy diversion is arranged and is passed the inside little rectangle recess of three-phase support to it is a whole with the embedment of three-phase support to pass through epoxy.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses the generator system can directly link with the engine, and the generator control ware is fixed directly over the generator, and the front end flange dish of generator can be directly be connected with the engine, the inside dual mass flywheel that is used for holding the engine of flywheel cavity, and the spline and the flywheel shaft of the output shaft of generator are connected, drive dual mass flywheel rotation when engine moving like this, and then drags the generator to generate electricity and charge to the battery, and this kind of compact structure is reliable, and whole assembly occupies smallly.

2. The condenser assembly is in the square groove the inside on box ground, pours into certain heat-conducting glue into in the recess the inside during assembly, ensures to fill between condenser bottom surface and the box and leads heat-conducting glue, fills through the heat conduction pad between condenser upper surface and the cooling plate, and the heat of condenser upper surface can be taken away through the cooling plate fast like this, and the heat of condenser bottom surface can be led fast and distribute away on the box, can make the radiating effect of condenser promote by a wide margin like this.

3. The second delivery port is the cylindric groove of an decentraction above the box, and generator water inlet upper portion has a cylindric recess moreover, and the intercommunication of second delivery port and generator water inlet is through a cylindrical union coupling above the box, and the cylindric groove of second delivery port and generator water inlet has the cooperation relation above cylindrical pipe and the box, and the centre adopts O type circle sealed, can ensure to establish ties together the heat dissipation water course in the generator box and generator housing's water course.

4. Consider that engine vibration intensity itself is big, and operational environment is abominable, needs improve the intensity of generator control ware, the utility model discloses a box side and case lid upper surface have all designed annular radiation network structure, have improved the vibration mode of generator system.

5. The utility model discloses the cooling plate includes cooling plate and lower cooling plate, go up the cooling plate and pass through friction stir welding technology with lower cooling plate and connect fixedly and become a complete cooling plate, cooling plate entry and first delivery port intercommunication, cooling plate export and second water inlet intercommunication, in the whole generator system working process like this, the coolant liquid gets into first water inlet from the inlet tube, then get into inside the cooling plate from first delivery port, and flow in from the second water inlet, follow the water inlet that the second delivery port flowed into the generator after that, get into the inside cooling water course of generator, flow from the outlet pipe at last, accomplish the cooling heat dissipation to whole generator system.

Drawings

Fig. 1 is a schematic structural diagram of a generator system of the present invention;

fig. 2 is an exploded view of a generator controller of the generator system of the present invention;

fig. 3 is a schematic diagram of a cooling plate structure of the generator system of the present invention;

fig. 4 is an exploded view of a cooling plate structure of the generator system of the present invention;

fig. 5 is a schematic structural diagram of a three-phase component of the generator system of the present invention;

fig. 6 is a schematic diagram of a three-phase support structure of the generator system of the present invention;

fig. 7 is a schematic view of a three-phase flow guide row structure of the generator system of the present invention;

fig. 8 is a schematic view of a front structure of a box body of the generator system of the present invention;

fig. 9 is a schematic view of a reverse structure of a box body of the generator system of the present invention;

fig. 10 is a schematic view of a box cover structure of the generator system of the present invention;

fig. 11 is a schematic diagram of a capacitor structure of a generator system according to the present invention;

fig. 12 is a schematic view of an external structure of a motor of the generator system of the present invention.

The figure is marked with: 1. the power generator comprises a power generator controller, 1-1 part, a box body, 1-2 parts, a capacitor, 1-3 parts, a cooling plate, 1-4 parts, a whole vehicle high-voltage wire harness, 1-5 parts, a filter device, 1-6 parts, an IGBT (insulated gate bipolar translator), 1-7 parts, a PCB (printed circuit board) integrated plate, 1-8 parts, a box cover, 1-9 parts, a three-phase assembly, 1-10 low-voltage plugs, 1-11 parts, a water inlet pipe, 1-1-1 parts, a first water inlet, 1-1-2 parts, a first water outlet, 1-1-3 parts, a second water inlet, 1-1-4 parts, a capacitor encapsulation groove, 1-1-5 parts, a ring net rib, 1-1-6 parts, a second water outlet, 1-3-1 part, an upper cooling plate, 1-3-2 parts, a lower, The three-phase generator comprises a three-phase support 1-9-2, a three-phase flow guide row 2, a generator 2-1, a water outlet pipe 2-2, a generator water inlet 2-3, a flange plate 2-4 and a flywheel cavity.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Examples

As shown in fig. 1, the present application provides a generator system directly connected to an engine, and the system mainly includes a generator controller 1 and a generator 2, where the generator controller 1 is fixed directly above the generator 2. The front end flange 2-3 of the generator 2 is directly connected with the engine, the double-mass flywheel of the engine is accommodated in the flywheel cavity, and the spline of the output shaft of the generator 2 is connected with the flywheel shaft, so that the engine drives the double-mass flywheel to rotate when running, and the generator 2 is dragged to generate electricity to charge the battery.

As shown in FIG. 2, the generator controller 1 comprises a box body 1-1, a capacitor 1-2, a cooling plate 1-3, a whole vehicle high-voltage wire harness 1-4, a filter device 1-5, an IGBT1-6, a PCB integrated plate 1-7, a box cover 1-8, a three-phase assembly 1-9, a low-voltage plug 1-10 and a water inlet pipe 1-11. The capacitor 1-2, the filter device 1-5 and the three-phase component 1-9 are fixed on the bottom surface of the box body 1-1, and the input end of the capacitor 1-2 is electrically connected with the output end of the filter device 1-5; the cooling plate 1-3 is arranged right above the capacitor 1-2 and fixed on a boss at the bottom surface of the box body 1-1; the IGBT1-6 is fixed on the cooling plate 1-3, the input end of the IGBT1-6 is electrically connected with the output end of the capacitor 1-2, and the output end is electrically connected with the input end of the three-phase component 1-9; the PCB integrated board 1-7 is fixed above the IGBT1-6 and is electrically connected with the signal pins of the IGBT 1-6. The whole vehicle high-voltage wiring harness 1-4 is fixed on the side wall of the box body 1-1, a high-voltage input terminal of the whole vehicle high-voltage wiring harness penetrates through the wall of the box body 1-1 to be electrically connected with an input end of the filter device 1-5, the low-voltage plug 1-10 and the water inlet pipe 1-11 are fixed on the side wall of the box body 1-1, and the box cover 1-8 is fixed on the right side of the box body 1-1.

As shown in fig. 3 and 4, the cooling plate 1-3 includes an upper cooling plate 1-3-1 and a lower cooling plate 1-3-2, and the upper cooling plate 1-3-1 and the lower cooling plate 1-3-2 are connected and fixed by a friction stir welding process. The bottom surface of the upper cooling plate 1-3-1 is provided with a groove, cylindrical heat dissipation needles are arranged in the groove in a parallel and staggered mode, and a step with the depth of 3mm and the width of 3mm is arranged around the groove and used for limiting when the lower cooling plate is welded. The lower cooling plate 1-3-2 is a stamped flat plate, and two circular through holes are formed in two ends of the flat plate respectively.

As shown in FIGS. 5-7, the three-phase assembly comprises a three-phase support 1-9-1 and a three-phase guide row 1-9-2, and the three-phase guide row 1-9-2 is integrated with the three-phase support 1-9-1. The upper part of the three-phase support 1-9-1 is provided with a rectangular groove, and three small rectangular grooves which penetrate through the rectangular groove side by side are arranged in the rectangular groove and are close to one side edge. The input end of the three-phase guide row 1-9-2 is provided with three cylindrical copper pipes, and the three-phase guide row 1-9-2 penetrates through a small rectangular groove in the three-phase support 1-9-1 and is encapsulated with the three-phase support 1-9-1 into a whole through epoxy resin.

As shown in fig. 8 and 9, the box body 1-1 includes a first water inlet 1-1-1, a first water outlet 1-1-2, a second water inlet 1-1-3, a capacitor potting groove 1-1-4, a ring net rib 1-1-5, and a second water outlet 1-1-6. Wherein the first water inlet 1-1-1 is communicated with the first water outlet 1-1-2 through a pipeline in the box body 1-1, and the second water inlet 1-1-3 is communicated with the second water outlet 1-1-6 through a pipeline in the box body 1-1. The capacitor encapsulating groove 1-1-4 is a square groove, and four fixing columns are arranged inside the groove. An annular groove is respectively arranged around the first water outlet 1-1-2 and the second water inlet 1-1-3. The second water outlet 1-1-6 is a cylindrical groove which is not concentric with the second water inlet 1-1-3, and the second water outlet 1-1-6 is communicated with the water inlet 2-2 of the generator through a cylindrical pipe matched with the notch. The ring net ribs 1-1-5 are in two symmetrical annular radiation net-shaped structures on the box body 1-1, and the structure can improve the vibration reliability and the NVH performance.

As shown in fig. 10, the upper surface of the box cover 1-8 is also provided with reinforcing ribs in an annular radiation net structure, so that the vibration mode of the box cover 1-8 can be improved, and the improvement of the vibration reliability of the system is facilitated.

As shown in fig. 11, the output terminals of the capacitors 1-2 are arranged in a stacked manner, so that the inductance of the capacitors 1-2 can be reduced, and the middle part of the capacitor is provided with an arc-shaped structure, so that the assembly flexibility of the output terminals can be ensured, and the height drop during assembly can be compensated, so that excessive stress cracking can be caused.

The specific assembly process of the generator system is as follows:

1. firstly, the whole generator 2 is assembled, and then the water outlet pipe 2-1 is assembled on the shell of the generator 2 to wait for further assembly;

2. assembling a generator controller 1, firstly, tightly pressing and fixing a water inlet pipe 1-11 on a first water inlet 1-1-1 of a box body 1-1, injecting heat-conducting silica gel on the bottom surface of a capacitor encapsulating groove 1-1-4, then fixing a capacitor 1-2 on four fixed columns in the capacitor encapsulating groove 1-1-4 at the bottom of the box body 1-1, then fixing a filter device 1-5 on the bottom surface of the box body 1-1, fixing an input end of the capacitor 1-2 and an output end of a filter device 1-5 by bolts, then fixing a high-voltage wire harness 1-4 and a low-voltage plug 1-10 of the whole vehicle on the side wall of the box body 1-1, fixing a high-voltage terminal of the high-voltage wire harness 1-4 of the whole vehicle and an input end of the filter device 1-5 by bolts, fixing a cooling plate 1-3 on bosses of a first water outlet 1-1-2 and a second water inlet 1-1-3 on the bottom surface of the box body, preventing heat conduction pads on the upper surface of the capacitor 1-2 and the lower surface of the cooling plate 1-3, fixing an IGBT1-6 on the cooling plate 1-3, fixing the output end of the capacitor 1-2 on the input end of an IGBT1-6 by using bolts, fixing a PCB integrated plate 1-7 on the IGBT1-6, fixing signal pins of the IGBT1-6 and the PCB integrated plate 1-7 by using tin soldering, fixing a three-phase assembly 1-9 on the bottom surface of the box body 1-1, fixing the input end of a three-phase guide row 1-9-2 encapsulated in the three-phase assembly 1-9 on the output end of the IGBT1-6 by using bolts, then, the wiring harness plug of the low-voltage plug 1-10 is inserted on the PCB integrated board 1-7, and finally the box cover 1-8 is assembled on the box body 1-1 to complete the assembly of the whole generator controller 1.

3. The generator controller 1 is assembled on the generator 2, and the output ends of the three-phase guide rows 1-9-2 of the three-phase assemblies 1-9 are fixed on the three-phase input terminals of the generator 2 by bolts. And connecting a second water outlet 1-1-6 of the generator controller 1 with a water inlet 2-2 of the generator to complete the series connection of the whole water channel, so that the assembly of the whole generator system is completed.

Claims

1. The utility model provides a generator system who directly links with engine, includes generator (2) and fixes generator controller (1) directly over generator (2), its characterized in that, the one end of generator (2) is equipped with ring flange (2-3), be equipped with flywheel cavity (2-4) in ring flange (2-3), ring flange (2-3) are direct fixed with the engine cooperation, flywheel cavity (2-4) are used for holding the dual mass flywheel of engine, the spline of the output shaft of generator (2) is connected with the flywheel shaft of engine.

2. The generator system directly connected with the engine as claimed in claim 1, wherein the generator controller (1) comprises a box body (1-1), the box body (1-1) is provided with a capacitor (1-2), a cooling plate (1-3), a filter device (1-5), an IGBT (1-6), a PCB integrated plate (1-7) and a three-phase assembly (1-9), and the outer side of the box body (1-1) is provided with a whole vehicle high-voltage wiring harness (1-4), a low-voltage plug (1-10) and a water inlet pipe (1-11);

the input end of the capacitor (1-2) is electrically connected with the output end of the filter device (1-5), the cooling plate (1-3) is arranged above the capacitor (1-2), and the IGBT (1-6) is fixed on the cooling plate (1-3); the input end of the IGBT (1-6) is electrically connected with the output end of the capacitor (1-2), and the output end of the IGBT is electrically connected with the input end of the three-phase component (1-9); the PCB integrated board (1-7) is fixed above the IGBT (1-6) and is electrically connected with a signal pin of the IGBT (1-6); and a high-voltage input terminal of the whole vehicle high-voltage wire harness (1-4) penetrates through the side wall of the box body (1-1) and is electrically connected with the input end of the filter device (1-5).

3. The generator system directly connected with the engine as claimed in claim 2, wherein the box body (1-1) comprises a first water inlet (1-1-1), a first water outlet (1-1-2), a second water inlet (1-1-3), a capacitor potting tank (1-1-4) and a second water outlet (1-1-6), the first water inlet (1-1-1) and the first water outlet (1-1-2) are communicated through a pipeline inside the box body (1-1), and the second water inlet (1-1-3) and the second water outlet (1-1-6) are also communicated through a pipeline inside the box body (1-1).

4. The generator system directly connected with the engine as claimed in claim 3, wherein there is an annular groove around each of the first water outlet (1-1-2) and the second water inlet (1-1-3), the second water outlet (1-1-6) is a cylindrical groove eccentric to the second water inlet (1-1-3), and the second water outlet (1-1-6) is communicated with a cylindrical pipe of the generator water inlet (2-2) matching with the notch.

5. An engine-directly connected generator system as claimed in claim 2, characterized in that the capacitor (1-2) is fitted in a groove on the bottom surface of the case (1-1), the bottom surface of the capacitor (1-2) and the groove are filled with a heat conducting glue, and the upper surface of the capacitor (1-2) and the cooling plate (1-3) are filled with a heat conducting pad.

6. An engine-directly connected generator system as claimed in claim 2, characterized in that the box (1-1) comprises a box cover (1-8), and the outside of the generator (2), the outside of the box (1-1) and the upper surface of the box cover (1-8) are provided with ribs.

7. An engine-directly connected generator system as claimed in claim 6, characterized in that the ribs on the outside of the generator (2), the upper surface of the cover (1-8) are in the form of an annular radial network.

8. The generator system directly connected with the engine as claimed in claim 2, wherein the cooling plate (1-3) comprises an upper cooling plate (1-3-1) and a lower cooling plate (1-3-2) which are connected by welding, the bottom surface of the upper cooling plate (1-3-1) is provided with heat dissipation grooves, and the heat dissipation grooves are provided with heat dissipation pins which are arranged in parallel and staggered.

9. The generator system directly connected with the engine as claimed in claim 2, wherein the output ends of the capacitors (1-2) are arranged in a laminated manner, and the middle of the output ends is provided with a circular arc structure.

10. The generator system directly connected with the engine as claimed in claim 2, wherein the three-phase assembly (1-9) comprises a three-phase support (1-9-1) and a three-phase guide row (1-9-2), a rectangular groove is formed in the upper portion of the three-phase support (1-9-1), three small rectangular grooves penetrating through the rectangular groove side by side are formed in the rectangular groove, three cylindrical copper pipes are arranged at the input end of the three-phase guide row (1-9-2), and the three-phase guide row (1-9-2) penetrates through the small rectangular groove in the three-phase support (1-9-1) and is encapsulated with the three-phase support (1-9-1) into a whole through epoxy resin.