Integrated electric drive system for hybrid vehicles

Abstract

The present invention provides an integrated electric drive system for a hybrid electric vehicle, comprising a shell, a battery, a drive motor and a reduction gear shaft, wherein a battery is arranged inside the shell, and the battery is electrically connected to the drive motor through a wire, and a rotating shaft at the right end of the drive motor is connected to the reduction gear shaft, a protective mechanism is connected to the upper end surface of the shell, and the lower right side of the battery is connected to a power generation mechanism through a wire. Compared with the prior art, the present invention has the following beneficial effects: it achieves the purpose of generating electricity through natural gas, achieves the purpose of endurance, and is convenient for heat dissipation, thereby improving the service life of the equipment, and also achieves the purpose of protecting the battery by tightening the shell through a triangular block and a plug rod, and is convenient for clamping through a triangular block and a plug rod, thereby facilitating the purpose of disassembling the battery.

Description

Technical Field

[0001] The invention relates to an integrated electric drive system for a hybrid electric vehicle, belonging to the field of automobile power equipment. Background Art

[0002] Existing electric vehicles only have electricity to provide driving motors. After the electricity is used up, the electric vehicle cannot continue to drive, and its use is greatly limited. In addition, it is inconvenient to remove the battery when replacing it, and the use effect is low. Therefore, an integrated electric drive system of a hybrid vehicle is needed to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide an integrated electric drive system for a hybrid vehicle to solve the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: an integrated electric drive system for a hybrid electric vehicle, including a shell, a battery, a drive motor and a reduction gear shaft, a battery is arranged inside the shell, the battery is electrically connected to the drive motor through a wire, the rotating shaft at the right end of the drive motor is connected to the reduction gear shaft, a protective mechanism is connected to the upper end surface of the shell, the lower right side of the battery is connected to a power generation mechanism through a wire, the power generation mechanism includes a protective tube, a filter, a fan impeller, a natural gas engine, a protective cover, an air pipe and a generator, and the protective mechanism includes a protective cover, a bidirectional threaded rod, a triangular block, a plug rod and a nut.

[0005] Furthermore, in the power generation mechanism, a fan impeller is fixedly mounted on the rotating shaft at the left end of the natural gas engine, the rotating shaft at the right end of the natural gas engine is fixedly connected to the rotating shaft at the left end of the generator, the natural gas engine is electrically connected to the battery through a wire, the protective tube is mounted on the natural gas engine and the fan impeller, the filter is fixed at the left edge of the protective tube, the protective cover is mounted on the right part of the protective tube, and the right end surface of the protective cover is symmetrically connected to the air pipe up and down.

[0006] Furthermore, the right end face of the shield is symmetrically processed with two arc-shaped opening grooves, the two arc-shaped opening grooves are located on the left side of the natural gas engine, and the right end face of the shield is symmetrically processed with two air holes, both of which are connected to one end of the air pipe, so that the air can be discharged easily through the arc-shaped opening groove, and the generator can be blown and cooled, and the air can be transported to the inside of the air pipe through the air holes, and the battery and the drive motor can be blown and cooled respectively through the two air pipes.

[0007] Furthermore, four heat dissipation fins are fixed at equal intervals on the annular side of the natural gas engine, and the four heat dissipation fins are fixedly connected to the annular side of the protective tube. An annular filter is arranged on the left side of the heat dissipation fin, and the annular filter is mounted on the natural gas engine and located between the natural gas engine and the protective tube. The fan impeller is located between the filter and the annular filter. The annular filter facilitates supporting the protective tube and filtering the air. The design of the heat dissipation fins expands the heat dissipation range and improves the heat dissipation efficiency.

[0008] Furthermore, in the protective mechanism, the protective cover is sleeved on the upper part of the shell, a bidirectional threaded rod is arranged in the middle position of the upper end surface of the protective cover, the front and rear parts of the bidirectional threaded rod are connected to the nut by threads, the annular side surface of the nut is rotatably connected to the plug rod by a rotating shaft, and the nut is located on the upper side of the protective cover, the left and right ends of the plug rod are rotatably connected to the protective cover by a rotating shaft, and the lower part of the plug rod passes through the protective cover and extends between the shell and the battery, and the lower end surface of the plug rod is fixedly connected to a triangular stopper, and the triangular stopper is located on the lower side of the battery

[0009] Furthermore, the front end face and the rear end face of the shell are both processed with an open groove, and the lower part of the open groove is processed with a stop groove, the left and right parts of the lower end face of the shell are fixed with support blocks, and the support blocks are located at the lower side of the battery, and the insertion rod and the triangular stop block are respectively located inside the open groove and the stop groove, so that the insertion rod can be inserted into the open groove and the shell can be tightened by the triangular stop block.

[0010] Furthermore, a rubber strip is bonded to the inner upper end surface of the protective cover, a sheath is fixed to the annular side surface of the bidirectional threaded rod, a U-shaped groove is processed on the upper end surface of the insertion rod, a nut is arranged inside the U-shaped groove, a groove is processed in the middle position of the upper end surface of the protective cover, the nut and the bidirectional threaded rod are both located inside the groove, the rubber strip is convenient for supporting the protective cover and tightening and fixing the battery, and the bidirectional threaded rod is convenient for rotating the bidirectional threaded rod through the sheath, thereby driving the nut to move along the bidirectional threaded rod, and then driving the insertion rod to rotate around the rotating shaft, so as to achieve tightening of the shell.

[0011] Beneficial effects of the present invention: The integrated electric drive system of the hybrid vehicle of the present invention achieves the purpose of endurance by adding protective tubes, filters, fan impellers, natural gas engines, protective covers, air pipes and generators to generate electricity through natural gas, and is convenient for heat dissipation, thereby increasing the service life of the equipment.

[0012] By adding a protective cover, a bidirectional threaded rod, a triangular block, an insertion rod and a nut, the shell is tightened by the triangular block and the insertion rod, thereby achieving the purpose of protecting the battery, and it is convenient to clamp the battery by the triangular block and the insertion rod, thereby facilitating the disassembly of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0014] Figure 1 It is a structural schematic diagram of the integrated electric drive system of the hybrid vehicle of the present invention;

[0015] Figure 2 A schematic diagram of a power generation mechanism in an integrated electric drive system of a hybrid vehicle of the present invention;

[0016] Figure 3 It is a right side schematic diagram of a natural gas engine, a protective pipe, a heat dissipation fin and an annular filter screen in an integrated electric drive system of a hybrid vehicle of the present invention;

[0017] Figure 4 A schematic diagram of a fan impeller in the integrated electric drive system of a hybrid vehicle of the present invention;

[0018] Figure 5 It is a right side schematic diagram of a protective cover in the integrated electric drive system of a hybrid vehicle of the present invention;

[0019] Figure 6 It is a front view schematic diagram of the protection mechanism in the integrated electric drive system of the hybrid vehicle of the present invention;

[0020] Figure 7 It is a top view schematic diagram of the protection mechanism in the integrated electric drive system of the hybrid vehicle of the present invention;

[0021] Figure 8 It is a structural schematic diagram of the plug rod in the integrated electric drive system of the hybrid vehicle of the present invention;

[0022] Fig. 9 It is a structural schematic diagram of a nut in the integrated electric drive system of a hybrid vehicle of the present invention;

[0023] Fig.10 It is a structural schematic diagram of a bidirectional threaded rod in the integrated electric drive system of a hybrid vehicle of the present invention;

[0024] Fig.11 It is a cross-sectional schematic diagram of a housing in the integrated electric drive system of a hybrid vehicle of the present invention;

[0025] In the figure: 1-power generation mechanism, 2-housing, 3-protection mechanism, 4-battery, 5-drive motor, 6-reduction gear shaft, 31-protective cover, 32-groove, 33-bidirectional threaded rod, 34-rubber strip, 35-triangular stopper, 36-insertion rod, 37-nut, 101-protective tube, 102-filter, 103-fan impeller, 104-annular filter, 105-natural gas engine, 106-protective cover, 107-trachea, 108-generator, 109-heat dissipation fins, 110-air holes, 111-arc-shaped opening grooves. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0027] See also Figures 1 to 11 The present invention provides a technical solution: an integrated electric drive system for a hybrid electric vehicle, including a housing 2, a battery 4, a drive motor 5 and a reduction gear shaft 6. The housing 2 is provided with a battery 4, the battery 4 is electrically connected to the drive motor 5 through a wire, the rotating shaft at the right end of the drive motor 5 is connected to the reduction gear shaft 6, the upper end surface of the housing 2 is connected with a protective mechanism 3, the lower right side of the battery 4 is connected to a power generation mechanism 1 through a wire, the power generation mechanism 1 includes a protective tube 101, a filter 102, a fan impeller 103, a natural gas engine 105, a protective cover 106, an air pipe 107 and a generator 108, and the protective mechanism 3 includes a protective cover 31, a bidirectional threaded rod 33, a triangular stopper 35, a plug rod 36 and a nut 37.

[0028] In the power generation mechanism 1, a fan impeller 103 is fixedly mounted on the rotating shaft at the left end of the natural gas engine 105, and the rotating shaft at the right end of the natural gas engine 105 is fixedly connected to the rotating shaft at the left end of the generator 108. The natural gas engine 105 is electrically connected to the battery 4 through a wire. The protective tube 101 is mounted on the natural gas engine 105 and the fan impeller 103. The filter 102 is fixed to the left edge of the protective tube 101. The protective cover 106 is mounted on the right part of the protective cover 101, and the right end surface of the protective cover 106 is symmetrically connected to the air pipe 107. The natural gas engine 1 05 drives the generator 108 to run, so that the generator 108 generates electrical energy and transmits it to the battery 4 for storage through the wire. At the same time, the natural gas engine 105 drives the fan impeller 103 to rotate, thereby driving the air flow. Then the outside air passes through the filter 102 and the annular filter 104, flows in the protective tube 101, and is then discharged from the arc-shaped opening groove 111 and the air pipe 107, so as to achieve the purpose of blowing and cooling the battery 4, the drive motor 5 and the generator 108, and achieve the purpose of hybrid power and improve the endurance.

[0029] In the protection mechanism 3, the protective cover 31 is sleeved on the upper part of the shell 2, and a two-way threaded rod 33 is arranged in the middle position of the upper end surface of the protective cover 31. The front and rear parts of the two-way threaded rod 33 are connected to the nut 37 by threads. The annular side surface of the nut 37 is rotatably connected to the plug rod 36 through a rotating shaft, and the nut 37 is located on the upper side of the protective cover 31. The left and right ends of the plug rod 36 are rotatably connected to the protective cover 31 through the rotating shaft, and the lower part of the plug rod 36 passes through the protective cover 31 and extends between the shell 2 and the battery 4. The lower end surface of the plug rod 36 is fixedly connected with a triangular stopper 35, and the triangular stopper 35 is located on the lower side of the battery 4. The two-way threaded rod 33 is held and moved downward, thereby driving the protective cover 31, the plug rod 36 and the triangular stopper 35 to move downward and extend into the open groove between the shell 2 and the battery 4, and then the two-way threaded rod 33 is rotated to drive the nut The locking nut 37 is then moved inwardly along the bidirectional threaded rod 33, thereby driving the insertion rod 36 and the triangular block 35 to rotate outwardly around the rotating shaft, so that the insertion rod 36 is pressed against the inner wall of the shell 2, and the triangular block 35 is inserted into the retaining groove, thereby limiting the protective cover 31 and preventing it from falling off, thereby improving the protection effect of the battery 4. When the battery 4 needs to be removed, the bidirectional threaded rod 33 is rotated in the opposite direction, thereby driving the nut 37 to move outward, thereby realizing the insertion rod 36 and the triangular block 35 to rotate inward, realizing the insertion rod 36 to clamp the battery 4, and realizing the triangular block 35 is located on the lower side of the battery 4, thereby facilitating the upward movement of the bidirectional threaded rod 33, thereby driving the protective cover 31, the insertion rod 36, the triangular block 35 and the battery 4 to move upward, thereby facilitating the disassembly of the battery 4.

[0030] As an embodiment of the present invention: two arc-shaped opening grooves 111 are symmetrically processed on the front and back of the right end surface of the shield 106, and the two arc-shaped opening grooves 111 are located on the left side of the natural gas engine 105. Two air holes 110 are symmetrically processed on the upper and lower right end surface of the shield 106. The two air holes 110 are connected to one end of the air pipe 107. The arc-shaped opening grooves 111 facilitate the discharge of air and blow and dissipate heat for the generator 108. The air holes 110 facilitate the delivery of air to the inside of the air pipe 107, and the two air pipes 107 respectively blow and dissipate heat for the battery 4 and the drive motor 5.

[0031] As an embodiment of the present invention: four heat dissipation fins 109 are fixed at equal intervals on the annular side of the natural gas engine 105, and the four heat dissipation fins 109 are fixedly connected to the inner annular side of the protective tube 101. An annular filter 104 is arranged on the left side of the heat dissipation fin 109. The annular filter 104 is mounted on the natural gas engine 105 and is located between the natural gas engine 105 and the protective tube 101. The fan impeller 103 is located between the filter 102 and the annular filter 104. The annular filter 104 is convenient for supporting the protective tube 101 and filtering the air. The design of the heat dissipation fins 109 expands the heat dissipation range and improves the heat dissipation efficiency.

[0032] As an embodiment of the present invention: the front end face and the rear end face of the shell 2 are both processed with an open groove, and the lower part of the open groove is processed with a stop groove, the left and right parts of the lower end face of the shell 2 are fixed with support blocks, and the support blocks are located on the lower side of the battery 4, the insertion rod 36 and the triangular stop block 35 are respectively located inside the open groove and the stop groove, so that the insertion rod 36 can be inserted into the open groove and the shell 2 can be tightened by the triangular stop block 35.

[0033] As an embodiment of the present invention: a rubber strip 34 is bonded to the upper end surface of the inner side of the protective cover 31, a sheath is fixed to the annular side surface of the bidirectional threaded rod 33, a U-shaped groove is processed on the upper end surface of the insertion rod 36, a nut 37 is arranged inside the U-shaped groove, a groove 32 is processed in the middle position of the upper end surface of the protective cover 31, the nut 37 and the bidirectional threaded rod 33 are both located inside the groove 32, and the elastic force of the rubber strip 34 facilitates the tightening of the battery 4 and the protective cover 31, thereby achieving the purpose of stably clamping the battery 4, and facilitating the rotation of the bidirectional threaded rod 33 through the sheath, thereby driving the nut 37 to move along the bidirectional threaded rod 33, and then driving the insertion rod 36 to rotate around the rotating shaft, thereby achieving the tightening of the shell 2.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An integrated electric drive system for a hybrid electric vehicle, comprising a housing, a battery, a drive motor and a reduction gear shaft, characterized in that: A battery is arranged inside the shell, and the battery is electrically connected to the drive motor through a wire. The rotating shaft at the right end of the drive motor is connected to the reduction gear shaft. A protective mechanism is connected to the upper end surface of the shell, and the lower right side of the battery is connected to the power generation mechanism through a wire. The power generation mechanism includes a protective tube, a filter, a fan impeller, a natural gas engine, a protective cover, an air pipe and a generator. The protective mechanism includes a protective cover, a two-way threaded rod, a triangular block, a plug rod and a nut; in the power generation mechanism, a fan impeller is fixedly mounted on the rotating shaft at the left end of the natural gas engine, and the rotating shaft at the right end of the natural gas engine is fixedly connected to the rotating shaft at the left end of the generator. The natural gas engine is connected to the power generation mechanism through a wire. The protective tube is mounted on the natural gas engine and the fan impeller, the filter is fixed on the left edge of the protective tube, the protective cover is mounted on the right part of the protective tube, and the right end surface of the protective cover is symmetrically connected to the air pipe; the right end surface of the protective cover is symmetrically processed with two arc-shaped opening grooves, the two arc-shaped opening grooves are located on the left side of the natural gas engine, and the right end surface of the protective cover is symmetrically processed with two air holes, both of which are connected to one end of the air pipe, and the air is discharged through the arc-shaped opening groove, and the generator is blown and cooled, and the air is transported to the inside of the air pipe through the air holes, and the battery and the drive motor are blown and cooled respectively through the two air pipes; in the protective mechanism The protective cover is sleeved on the upper part of the shell, and a two-way threaded rod is arranged in the middle position of the upper end surface of the protective cover, and the front and rear parts of the two-way threaded rod are connected to the nut by threads, and the annular side surface of the nut is rotatably connected to the plug rod by a rotating shaft, and the nut is located on the upper side of the protective cover, and the left and right ends of the plug rod are rotatably connected to the protective cover by a rotating shaft, and the lower part of the plug rod passes through the protective cover and extends between the shell and the battery, and a triangular stopper is fixedly connected to the lower end surface of the plug rod, and the triangular stopper is located on the lower side of the battery; the front end surface and the rear end surface in the shell are both processed with open grooves, and the lower part of the open groove is processed with a stopper groove, and the left and right parts of the lower end surface in the shell are fixed with support blocks, and the support block is located on the lower side of the battery, The plug rod and the triangular stopper are respectively located inside the opening groove and the stopper groove, so that the plug rod can be inserted into the opening groove and the shell body can be tightened by the triangular stopper; a rubber strip is bonded to the upper end surface of the inner cover, and a sheath is fixed to the annular side surface of the two-way threaded rod; a U-shaped groove is processed on the upper end surface of the plug rod, a nut is arranged inside the U-shaped groove, and a groove is processed in the middle position of the upper end surface of the protective cover, and the nut and the two-way threaded rod are both located inside the groove; the rubber strip is convenient for supporting the protective cover and tightening and fixing the battery, and convenient for rotating the two-way threaded rod through the sheath, thereby driving the nut to move along the two-way threaded rod, and then driving the plug rod to rotate around the rotating shaft to achieve tightening of the shell body.

2. The integrated electric drive system for a hybrid vehicle according to claim 1, characterized in that: Four cooling fins are fixed at equal intervals on the annular side of the natural gas engine, and the four cooling fins are fixedly connected to the annular side of the protective tube. An annular filter is arranged on the left side of the cooling fin, and the annular filter is mounted on the natural gas engine and located between the natural gas engine and the protective tube. The fan impeller is located between the filter and the annular filter. The annular filter is convenient for supporting the protective tube and filtering the air. The design of the cooling fins expands the heat dissipation range and improves the heat dissipation efficiency.

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