CN104627014A - Device and method for refitting fuel power automobile into plug-in hybrid power automobile - Google Patents

Abstract

The invention discloses a method and a device for refitting a fuel-powered vehicle into a plug-in hybrid vehicle. A wheel hub motor and an electric drive control system are added to the rear wheel drive structure of the fuel-powered vehicle; a power lithium battery pack combined with a lithium battery is used for protection The module is used as the hub motor power; use AC 220v power supply to charge the lithium battery pack, and in the case of fuel power, the on-board generator can also be used to charge the battery through the on-board charger; the device includes the hub motor, electric drive control system, lithium battery module Components, lithium battery module components include a power lithium battery pack and a lithium battery protection module. The present invention refits an ordinary fuel-powered vehicle into a plug-in hybrid vehicle, which can not only save fuel consumption, but also greatly reduce driving costs. The cost per kilometer is only 1/5 to 1/10 of the fuel cost, and there is no exhaust emission at all, which has played a significant role in improving urban air purification.

Description

Device and method for converting a fuel-powered vehicle into a plug-in hybrid vehicle

technical field

The invention belongs to the technical field of transportation and relates to a device and method for refitting a fuel-powered vehicle into a plug-in hybrid vehicle.

Background technique

At present, there is no mature method of converting fuel-powered vehicles into plug-in hybrid vehicles in China, let alone a mature standard system. The use of fuel-powered vehicles not only consumes high fuel, but also leads to high driving costs, and fuel-powered vehicles Cars will emit a large amount of exhaust gas during driving, which will have a serious impact on urban air quality; if fuel-powered vehicles are directly replaced, it will inevitably cause a waste of the structure of the fuel-powered vehicle itself, so the fuel-powered vehicle is converted into a gasoline-electric hybrid vehicle The method is the development trend of the future transportation field.

To convert a fuel-powered vehicle into a plug-in hybrid gasoline-electric vehicle, it is mainly considered from the two major structures of the vehicle's motor structure and the battery pack of the motor power energy supply device.

Contents of the invention

The purpose of the present invention is to provide a method and device for refitting a fuel-powered vehicle into a plug-in hybrid vehicle. By adding an in-wheel motor and a wheel-hub motor control system to the power structure of an existing ordinary fuel-powered vehicle, electric drive is realized, and the original Some suspension and braking systems remain unchanged; a large-capacity power lithium battery pack is used as the power source for the electric drive power structure, and an AC 220V power socket can be used to supply power to the lithium battery pack. The generator supplies power to the power lithium battery pack through the on-board charger. The improvement of the motor structure and the energy supply device of the motor structure not only reduces fuel consumption and driving costs, but also reduces the emission of vehicle exhaust, which plays a significant role in the purification of the city. .

The present invention is realized through the following technical solutions: a method for refitting a fuel-powered vehicle into a plug-in hybrid vehicle, adding an in-wheel motor and an electric drive control system to the rear wheel drive structure of the fuel-powered vehicle; using a power lithium battery pack to combine The lithium battery protection module is used as the hub motor power; use the AC 220v power supply to charge the lithium battery pack or/in the case of gasoline power, use the on-board generator to charge the battery through the on-board charger.

The hub motor and electric drive control system are added to the rear wheel drive structure of fuel-powered vehicles, mainly for two-wheel drive fuel-powered vehicles. The braking system remains unchanged, and at the same time, the hub brake structure of the rear wheel in the fuel-powered vehicle is converted into a disc brake structure to realize the electric drive function; the control of the newly added hub motor is realized through the new electric drive control system, and the original fuel-powered vehicle The control system remains unchanged, that is, the original car display instrument structure can continue to be used on the modified plug-in hybrid electric car. A fuel-powered vehicle with a manual transmission is equivalent to an automatic transmission vehicle in the case of electric drive.

A power lithium battery pack combined with a lithium battery protection module is used as the power of the wheel hub motor. In the prior art, the lithium battery protection board and the charger are independent, and because of their similar functions, it is difficult to combine them in use. The present invention combines charging and The protection devices are combined into one, using a building block structure to independently charge and manage a single lithium battery, that is, each single lithium battery corresponds to an independent charging circuit and protection chip, and then monitor the total voltage and total output current to ensure that the lithium battery pack is normal. Power supply, realize low voltage and high current, working voltage 3.2V ~ 3.7V, working current 50 ~ 200A, charging current 30 ~ 50A.

The power lithium battery pack is used as power, and it can be powered in two ways. First, use a common AC 220v household power socket directly, that is, use a plug-in method to charge the power lithium battery pack; second, when using fuel or gasoline In the case of driving power, use the on-board generator to charge the power lithium battery pack through the on-board charger.

Further, in order to better realize the present invention, in the method for refitting a fuel-powered vehicle into a plug-in hybrid vehicle, a tablet computer is used to monitor the lithium battery pack motor working system, wherein the tablet computer is a prior art, and the tablet computer adopts android The system monitors the structural status of the oil-electric system conversion, the voltage capacity monitoring of the lithium battery pack, the working and charging circuit of the lithium battery pack, the temperature display of the in-wheel motor and the controller, and the fault alarm of the electric drive control system; the monitoring of the motor work of the lithium battery pack The system can also be embedded in a GPS navigation structure, a driving speed display structure, a driving video recording structure, and a whole-vehicle visual image monitoring system, and can also be connected with MP3/MP4 vehicle entertainment and communication and Internet access systems to realize links with related websites.

Further, in order to better realize the present invention, for rear-axle-driven vehicles, the motor in the middle of the rear axle is used as the driving power, the gearbox structure and clutch system are retained, the lower generator is removed, and the brushless DC motor and the lower generator are disassembled. The drive shaft is directly connected.

Further, in order to better realize the present invention, the rear wheel hub brake of an ordinary fuel-powered vehicle is converted into a disc brake.

In addition, the present invention also discloses a device for refitting a fuel-powered vehicle into a plug-in hybrid vehicle. The device includes an in-wheel motor, an electric drive control system, and a lithium battery module assembly;

The hub motor includes a motor casing, a motor cover and a motor shaft. The motor shaft runs through the middle of the motor casing and the motor cover, and the motor shaft is fixed to the motor casing and the motor cover through a flange. The fixing bolts are distributed in a ring, and the two ends of the motor shaft are equipped with automobile thrust bearings to connect the motor casing and the motor cover; there is an inverter inside the motor casing, and the inverter is embedded and fixed on the motor shaft. A metal wire core is installed, and the metal wire core is connected with the motor cable leading inside the motor shaft;

Among them, the wheel hub motor is also called the wheel built-in wheel hub motor, also known as the wheel built-in motor. The electric drive control system controls the wheel hub motor. Among them, the electric drive control system is common knowledge in the field. The devices are integrated into the hub, thus greatly simplifying the mechanical part of the electric vehicle. In the refitting scheme of hybrid electric vehicles, hub motors are used, and the original structure of the car is basically not changed. In the field of pure electric vehicles, hub motors are used to drive, which can avoid complicated mechanical transmission devices and make the structure of electric vehicles simpler and more efficient. Easy to control electronically. Among them, the bearings used are automotive thrust bearings, which can withstand high-speed long-term driving, and the driving speed of the hub motor can reach up to 120km/h, and the bearings will not heat up and burn out under high-speed braking;

The lithium battery module assembly includes a power lithium battery pack and a lithium battery protection module. The power lithium battery pack includes a battery module and a first fastener. The battery module includes a plurality of single polymer lithium-ion batteries that are stacked and electrically connected in sequence. , metal U-shaped card and plastic clip, the monomer polymer lithium-ion battery is placed in the plastic clip, the metal U-shaped card connects the two poles of the adjacent monomer polymer lithium-ion battery, and connects it to the plastic clip On the top, the first fastener is used to connect and fix one or more battery modules; the lithium battery protection module includes a rectification filter module and a charge and discharge protection module connected to each other, and the charge and discharge protection module includes multiple protection sub-modules, and the protection sub-module Including the main control chip module, the oscillator module, the first sub-control chip module and the second sub-control chip module, the main control chip module is respectively connected to the first sub-control chip module and the second sub-control chip module through the oscillator module, the first Both the sub-control chip module and the second sub-control chip module include an integrated chip IC and a field effect transistor MOS.

A plastic clip in the power lithium battery pack houses a rechargeable monomer polymer lithium-ion cell and fixes the monomer polymer lithium-ion cell and the plastic clip through a metal U-shaped card to form a battery module. Power lithium battery pack; a plurality of plastic clips with monomer polymer lithium-ion cells arranged in sequence according to the stacking of two adjacent monomer polymer lithium-ion cells and connected sequentially by the first fastener A power lithium battery pack that constitutes multiple battery modules. For a power lithium battery pack with multiple battery modules, the internal polymer lithium-ion cells are connected in series in sequence and the adjacent monomer polymer lithium-ion cells are separated by a certain gap to facilitate heat dissipation, which is suitable for the working needs of high-power power battery packs .

The lithium battery protection module mainly implements overcharge protection, overdischarge protection, overvoltage protection, overtemperature protection and balanced charge protection for the power battery pack through the charge and discharge protection module. When charging, the rectification and filtering module converts the AC voltage of the mains into the DC voltage of the power lithium battery pack. The master control chip module controls the DC voltage and converts it into AC power through the oscillator module, and then the sub-control chip module controls the monomer polymer. Lithium-ion battery cells carry out separate charging protection; when discharging, the sub-control chip module also performs separate discharge protection for monomer polymer lithium-ion battery cells. In a group of protection sub-modules, a main control chip module is respectively connected to the first sub-control chip module and the second sub-control chip module through the oscillator module, and the first sub-control chip module and the second sub-control chip module are respectively connected to a single The structure of the bulk polymer lithium-ion battery can realize the function of charging and discharging each single polymer lithium-ion battery separately, and the two sub-control chip modules are connected as a group through a master control chip module, which can not only Ensure the stability of balanced charging and protection functions, and save costs.

The master control chip module, the first sub-control chip module, and the second sub-control chip module all include an integrated chip IC and a field effect transistor MOS, and the integrated chip IC includes a micro-control unit and a detection unit connected to each other, and the detection units are respectively connected to the The charging terminal and transmission terminal of the monomer polymer lithium-ion battery detect electrical parameters such as current, voltage, temperature, etc., and the micro-control unit takes action according to the detection result: if the detection result meets the safety valve threshold, the corresponding field effect transistor MOS maintains the current state. There is a connection state; if the detection result exceeds the threshold of the safety valve, the corresponding field effect transistor MOS is disconnected to isolate the faulty single polymer lithium-ion battery cell and protect the safety of the power lithium battery pack as a whole. The detection unit is provided with multiple temperature detection points to ensure a comprehensive detection of the working temperature of the power battery pack.

The connection between the integrated circuit of the integrated chip IC and the field effect transistor MOS is used to realize the circuit breaker protection during overcharge, overdischarge, overvoltage, and overtemperature. This technology is a mature technology and the integrated chip IC is an existing mature product, so it is no longer repeat.

The integrated chip IC can be TEA1750 or TEA1791, TEA1750 or TEA1791 is a new generation of power factor correction (PFC) controller and flyback (FLYBACK) switching power supply controller integrated IC, high integration, few external components , stable performance and low cost.

Further, in order to better realize the present invention, the plastic clip includes a pair of support units, a second fastener and an insulating plate, and the pair of support units are symmetrically arranged on both sides of the monomer polymer lithium ion battery core and connected One body; the middle part of the bracket unit is provided with a heat dissipation channel, and the insulating plate is embedded in the inner side of the heat dissipation channel and is in contact with the monomer polymer lithium ion battery; the four corners of the bracket unit are provided with L-shaped convex parts, L-shaped The convex part is provided with a first fastening hole and a second fastening hole, and the second fastening member passes through the second fastening hole to connect the two brackets symmetrically arranged on the left and right sides of the monomer polymer lithium-ion battery cell. The unit is fastened and connected, and the first fastener passes through the first fastening hole to fasten and connect multiple plastic clips; the upper top of the bracket unit is provided with a fastening groove, and the two clamping feet of the metal U-shaped card are embedded and fastened Slot; the housing of the bracket unit distributes a plurality of cooling holes.

In the power lithium-ion battery pack of the single battery module assembly, a pair of bracket units of the plastic clip are symmetrically arranged on both sides of the single polymer lithium-ion battery cell and connected through the second fastening hole by the second fastener Integral; the battery module assembly of the plurality of battery modules passes through the plurality of first fastening holes sequentially through the first fastener to connect the stacked plurality of battery modules as a whole. The arrangement of the heat dissipation channel and the heat dissipation hole is beneficial to the spontaneous heat dissipation of the monomer polymer lithium ion battery cell after heating.

Further, in order to better realize the present invention, the support unit is also provided with a longitudinal support bar, a longitudinal heat dissipation groove and a clamping member, the longitudinal support strip is arranged at the opening of the heat dissipation channel, and the longitudinal heat dissipation groove is arranged on the outside of the support unit On the side: the clamping member includes clamping feet and clamping slots, and the bracket units arranged symmetrically are positioned and connected through clamping joints of clamping feet and clamping slots.

The longitudinal support strips are used to strengthen the strength of the plastic clip, the longitudinal heat dissipation grooves are used for spontaneous heat dissipation of the battery module, and the clips are used to assist the positioning and fixed connection of the symmetrically arranged bracket units.

Further, in order to better realize the present invention, the second fastening hole is a countersunk internal thread through hole, the second fastener includes a countersunk bolt and a second nut that are nested in each other, and the second fastener simultaneously Pass through the second fastening holes of the two symmetrically arranged bracket units and fasten and connect with the second nuts.

The second fastening hole is a countersunk internal thread through hole, and the second fastener includes a countersunk bolt and a second nut that are nested in each other. After the second fastener fastens and connects the symmetrical bracket unit, the countersunk The bolt head of the head bolt is located in the countersunk head of the internal threaded through hole of the countersunk head, which reduces the volume of the battery module.

Further, in order to better realize the present invention, the first fastener includes a U-shaped connecting rod and a first nut that are nested in each other. The free end of the U-shaped connecting rod is provided with an external thread, and the U-shaped connecting rod passes through the The first fastening holes and the two ends of the multiple plastic clips are fastened and connected by first nuts. The first fastener includes a U-shaped connecting rod and a first nut which are nested in each other. The first nuts are respectively screwed on the free ends of the U-shaped connecting rod. This structure facilitates fast and fixed connection of multiple battery modules.

Further, in order to better realize the present invention, the metal U-shaped clip includes a U-shaped clip and a locking screw, the U-shaped clip is provided with two connection post holes, and the locking screw passes through the connection post holes for fixed connection .

The U-shaped buckles in the U-shaped card are respectively embedded in the fastening grooves arranged on the bracket unit. On the one hand, the positive poles and negative poles of two adjacent monomer polymer lithium-ion batteries can be connected and fixed on the plastic clip. On the other hand, it facilitates the positioning and fixing of the symmetrically arranged bracket units; the locking screw passes through the connecting column to perforate, on the one hand, fastens the connection, and on the other hand, facilitates the access of the detection signal line. The present invention adopts the connection mode of double locking screw rods, which is more conducive to the connection of high-power current.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

(1) In the method of refitting a fuel-powered car into a plug-in hybrid car in the present invention, the conventional car is transformed into a gasoline-electric hybrid, which not only saves gasoline consumption, but also greatly reduces driving costs. The cost is only 1/5-1/10 of the fuel cost, and there is no exhaust emission at all, which can play a significant role in urban air purification;

(2) In the method for refitting a fuel-powered vehicle into a plug-in hybrid vehicle in the present invention, an in-wheel motor and an electric drive control system are added to the rear wheel drive structure of the fuel-powered vehicle to enhance the driving safety of the plug-in hybrid vehicle High performance and can withstand the impact of high-speed braking;

(3) The method for converting a fuel-powered vehicle into a plug-in hybrid vehicle according to the present invention uses a power lithium battery pack combined with a lithium battery protection module as the hub motor power, which can effectively reduce fuel consumption and air pollution;

(4) The setting of the hub motor in the device for converting a fuel-powered vehicle into a plug-in hybrid vehicle according to the present invention can withstand high-speed long-term driving, and the driving speed of the hub motor can reach up to 120km/h, and the bearing will not be damaged under high-speed braking. will heat up and burn;

(5) The present invention refits a fuel-powered vehicle into a plug-in hybrid vehicle by setting up a power lithium battery pack, combining the functions of a charger and a protection board on one power lithium battery pack, which can be used for multi-section power The battery provides uniform charge and discharge protection and reduces the overall volume;

(6) The sub-control chip module of the lithium battery pack in the device for refitting a fuel-powered car into a plug-in hybrid car in the present invention performs independent charge and discharge protection for each monomer polymer lithium-ion battery cell, effectively ensuring The safe operation of the power battery pack under the condition of high power use.

(7) In the method for refitting a fuel-powered vehicle into a plug-in hybrid vehicle in the present invention, an AC 220v power supply can be used to charge the power lithium battery pack; Battery charging provides a variety of charging methods for lithium battery packs to reduce energy consumption.

Description of drawings

Fig. 1 is the front structure schematic diagram of hub motor in the present invention;

Fig. 2 is a schematic sectional view of the structure of an in-wheel motor in the present invention;

Fig. 3 is the internal structural diagram of hub motor in the present invention;

Fig. 4 is the structural representation of lithium battery pack of the present invention;

5 is a schematic structural view of the protection sub-module in the lithium battery pack of the present invention;

6 is a schematic structural view of a single lithium battery module in a lithium battery pack of the present invention;

Fig. 7 is a structural principle block diagram of the present invention;

Among them: 1—motor shell, 2—motor cover, 3—inverter, 4—automobile thrust bearing, 5—metal wire core, 6—motor shaft, 7—motor cable, 8—fixing bolt, 9—power lithium battery Group, 91—metal U-shaped clip, 911—U-shaped buckle, 9111—connecting column perforation, 912—locking screw, 921—bracket unit, 9 211—radiation channel, 9212—the first fastening hole, 9213—the first Two fastening holes, 9214—fastening groove, 9215—radiation hole, 9216—longitudinal support bar, 9217—longitudinal heat dissipation groove, 9218—clip foot, 9219—slot, 9221—sunk head bolt, 9222—second nut, 10—Lithium battery protection module.

Detailed ways

The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

Example 1:

The method for refitting a fuel-fuel powered vehicle into a plug-in hybrid vehicle in this embodiment, as shown in FIG. , add hub motor and electric drive control system to the front drive structure, the drum brake of the rear wheel is shaped like a disc brake; and use a power lithium battery pack combined with a lithium battery protection module as the hub electric power; use an AC 220v power supply to power the lithium battery It can also charge the battery through the on-board charger by using the on-board generator when using fuel power; use a tablet computer to monitor the motor working system of the lithium battery pack.

This embodiment also discloses a device for converting a fuel-powered vehicle into a plug-in hybrid vehicle, including an in-wheel motor, an electric drive control system, and a battery module assembly, wherein the in-wheel motor is shown in Figures 1, 2 and 3 As shown, it includes the motor casing 1, the motor cover 2 and the motor shaft 6. The motor shaft 6 runs through the middle of the motor casing 1 and the motor cover 2, and the motor shaft 6 is fixed to the motor casing 1 and the motor cover 2 through a flange. The motor casing 1 The other side of the motor cover 2 is provided with fixed bolts 8 distributed in a ring, and both ends of the motor shaft 6 are provided with vehicle thrust bearings 4 to connect the motor housing 1 and the motor cover 2; the motor housing 1 is equipped with an inverter Inverter 3, the inverter 3 is embedded and fixed on the motor shaft 6, the metal wire core 5 is installed inside the inverter 3, and the metal wire core 5 is connected with the motor cable 7 leading into the motor shaft 6;

The battery module assembly includes a power lithium battery pack 9 and a lithium battery protection module 10. As shown in FIG. 3, the power lithium battery pack 9 includes a battery module and a first fastener. Monomer polymer lithium-ion batteries, metal U-shaped cards 91 and plastic clips, monomer polymer lithium-ion batteries placed in plastic clips, metal U-shaped cards 91 connected to the two poles of adjacent monomer polymer lithium-ion batteries , and clamp it on the plastic clip, and connect the first fastener with the battery module;

The lithium battery protection module 10, as shown in FIG. 5 , includes a rectification filter module and a charging and discharging protection module connected to each other. The charging and discharging protection module includes a plurality of protection sub-modules, and the protection sub-modules include a master control chip module, an oscillator module, a One sub-control chip module and the second sub-control chip module, the main control chip module is respectively connected to the first sub-control chip module, the second sub-control chip module, the first sub-control chip module, and the second sub-control chip module through the oscillator module Both include integrated chip IC and field effect transistor MOS.

Taking the 72V polymer lithium-ion power battery pack as an example, as shown in Figure 5, the 72V polymer lithium-ion power battery pack is composed of 20 monomer polymer lithium-ion batteries (No. 1 to No. 20) connected in series. The two monomer polymer lithium-ion batteries form a group and are composed of the first sub-control chip module and the second sub-control chip module through the oscillator module and the main control chip module to form a group of protection sub-modules, a total of 10 groups Protection sub-module (1001~1010). When charging, the mains power is 220V alternating current, which is converted into direct current by the rectification and filtering module and then evenly distributed to the master control chip module of each protection sub-module. Charging, the first sub-control chip module in the protection sub-module 201 carries out charging protection to the monomer polymer lithium ion battery No. 1; the second sub-control chip module in the protection sub-module 201 supplies the monomer polymer lithium ion Cell No. 2 performs charging protection. When discharging, discharge protection is carried out from the first sub-control chip module in the protection sub-module 201 to the monomer polymer lithium ion battery No. 1; Ion battery No. 2 is under discharge protection. By analogy, each monomer polymer lithium-ion battery is provided with independent charge and discharge protection by a sub-control chip module.

Example 2:

This embodiment is further optimized on the basis of the above-mentioned embodiments. As shown in FIG. 4, the plastic clip includes a pair of bracket units 921, a second fastener and an insulating plate. The two sides of the lithium-ion battery are connected as a whole; the middle part of the support unit 921 is provided with a heat dissipation channel 9211, and the insulating plate is embedded in the heat dissipation channel 9211 and is in contact with the monomer polymer lithium-ion battery; the support unit The four corners of 921 are provided with L-shaped protrusions, and the L-shaped protrusions are provided with a first fastening hole 9212 and a second fastening hole 9213, and the second fastener passes through the second fastening hole 9213 and is symmetrically arranged on the The two bracket units 921 on the left and right sides of the monomer polymer lithium-ion battery are fastened and connected, and the first fastener passes through the first fastening hole 9212 to fasten and connect a plurality of plastic clips; the bracket unit 921 A fastening groove 9214 is provided on the upper top of the metal U-shaped card 91, and two clamping feet 9218 of the metal U-shaped card 91 are inserted into the fastening groove 9214; the shell of the bracket unit 921 is distributed with a plurality of cooling holes 9215. Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

Example 3:

This embodiment is further optimized on the basis of the above-mentioned embodiments. As shown in FIG. 6 , the bracket unit 921 is also provided with a longitudinal support bar 9216, a longitudinal heat dissipation groove 9217 and a clip, and the longitudinal support bar 9216 is arranged on the heat dissipation channel 9211. At the opening of the bracket unit 9217, the longitudinal cooling groove 9217 is arranged on the outer surface of the bracket unit 921; the clamping member includes a clamping foot 9218 and a clamping groove 9219, and the symmetrically arranged bracket unit 921 is positioned by clamping the clamping foot 9218 and the clamping groove 9219 connect. Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

Example 4:

This embodiment is further optimized on the basis of the above embodiments. As shown in FIG. 6, the second fastening hole 9213 is a countersunk internal thread through hole, and the second fastener includes countersunk bolts 9221 and The second nut 9222 , the second fastener passes through the second fastening holes 9213 of the two symmetrically arranged bracket units 921 and is fastened and connected by the second nut 9222 . Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

Example 5:

This embodiment is further optimized on the basis of the above embodiments. The first fastener includes a U-shaped connecting rod and a first nut that are nested in each other. The free end of the U-shaped connecting rod is provided with an external thread, and the U-shaped connecting rod is in turn Pass through the first fastening holes 9212 of multiple plastic clips and fasten the two ends with first nuts. Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

Embodiment 6:

This embodiment is further optimized on the basis of the above embodiments, as shown in Figure 6, further, the metal U-shaped card 11 includes a U-shaped card 911 and a locking screw 912, and the U-shaped card 911 is provided with two The connecting column perforates 9111, and the locking screw 912 passes through the connecting column perforating 9111 for fixed connection. Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications and equivalent changes made to the above embodiments according to the technical essence of the present invention all fall within the scope of the present invention. within the scope of protection.

Claims (10)

1. fuel power automobile repacking is become the method for plug-in hybrid-power automobile, it is characterized in that: on the driving structure of rear wheel of fuel power automobile, install wheel hub motor and electric driving control system additional; Adopt dynamic lithium battery group in conjunction with lithium battery protection module as wheel hub motor power; Use 220v source of AC to the charging of dynamic lithium battery group and/in use fuel power situation, adopt mobile generator to be charged to dynamic lithium battery group by onboard charger.

2. method fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 1, is characterized in that: adopt panel computer system monitoring lithium cell group machine operation system.

3. method fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 1 and 2, it is characterized in that: for rear-axle drive automobile, adopt back axle built-in motor as driving power, retain gearbox designs and clutch system, the lower electrical generator of dismounting, is directly connected the transmission shaft of lower to DC brushless motor and dismounting electrical generator.

4. method fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 3, is characterized in that: being stopped by the hub of trailing wheel is adapted as disc brake.

5. fuel power automobile repacking is become the device of plug-in hybrid-power automobile, it is characterized in that: comprise wheel hub motor, lithium battery module assembly;

Wheel hub motor comprises motor housing (1), motor cover (2) and motor shaft (6), motor shaft (6) is applied in motor housing (1) and motor cover (2) middle part, and motor shaft (6) is fixed by flange and motor housing (1) and motor cover (2), motor housing (1) is provided with the bolt of rear end plate (8) of the distribution in endless belt relative to the opposite side of motor cover (2), and the two ends of motor shaft (6) are equipped with automobile thrust baring (4) and connect motor housing (1) and motor cover (2); Motor housing (1) inside is provided with inverter (3), and inverter (3) intercalation is fixed on motor shaft (6), and inverter (3) inside is provided with metal core (5), and the motor cable (7) that metal core (5) and motor shaft (6) inside pass into is connected;

Lithium battery module assembly comprises dynamic lithium battery group (9), lithium battery protection module (10), dynamic lithium battery group comprises battery module and the first fastener, battery module comprises multiple wrong stacks and the monomer-polymer lithium-ion electric core of Electricity Federation successively, the U-shaped card of metal (91) and plastic clip, monomer-polymer lithium-ion electric core is placed in plastic clip, the U-shaped card of metal (91) connects the two poles of the earth of adjacent monomer polymer lithium ion battery cell, and being connected to as in plastic clip, the first fastener is connected with lithium battery module;

Lithium battery protection module (10) comprises interconnective rectification filtering module and charge and discharge protecting module; charge and discharge protecting module comprises multiple protection submodule; protection submodule comprises master control chip module, oscillator module, the first sub-control chip module and the second sub-control chip module; master control chip module connects the first sub-control chip module, the second sub-control chip module respectively by oscillator module, and the first sub-control chip module, the second sub-control chip module include integrated chip IC and field effect transistor MOS.

6. device fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 5, it is characterized in that: described plastic clip comprises pair of brackets unit (921), the second fastener and insulcrete, pair of brackets unit (921) is symmetricly set on the both sides of monomer-polymer lithium-ion electric core and connects as one; The middle part of described carrier unit (921) is provided with heat dissipation channel (9211), and insulcrete is embedded in heat dissipation channel (9211) inner side and contacts with monomer-polymer lithium-ion electric core; Four angles of described carrier unit (921) are provided with L-type protuberance, L-type protuberance is provided with the first fastener hole (9212) and the second fastener hole (9213), two carrier units (921) being symmetricly set on monomer-polymer lithium-ion electric core arranged on left and right sides are fastenedly connected through the second fastener hole (9213) by the second fastener, and multiple plastic clip is fastenedly connected through the first fastener hole (9212) by the first fastener; The upper top of described carrier unit (921) arranges binding groove (9214), and two card bases (9218) of the U-shaped card of metal (91) embed binding groove (9214); The shell of described carrier unit (921) distributes multiple louvre (9215).

7. device fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 6, it is characterized in that: described carrier unit (921) is also provided with longitudinal ligament bar (9216), longitudinal radiating groove (9217) and shackle member, longitudinal ligament bar (9216) is arranged on the opening part of heat dissipation channel (9211), and longitudinal radiating groove (9217) is arranged on the lateral surface of carrier unit (921); Described shackle member comprises card base (9218) and draw-in groove (9219), and symmetrically arranged carrier unit (921) is located by connecting by card base (9218), draw-in groove (9219).

8. device fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 7, it is characterized in that: described second fastener hole (9213) is countersunk head internal thread through hole, second fastener comprises countersunk-heat bolt (9221) and second nut (9222) of socket mutually, and the second fastener is passed second fastener hole (9213) of symmetrically arranged two carrier units (921) simultaneously and is fastenedly connected by the second nut (9222).

9. device fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 7, it is characterized in that: described first fastener comprises U-shaped pipe link and first nut of socket mutually, the free end of U-shaped pipe link arranges outside thread, U-shaped pipe link successively through first fastener hole (9212) of multiple plastic clip and two ends the first fastening nuts connect.

10. device fuel power automobile repacking being become plug-in hybrid-power automobile according to claim 9, it is characterized in that: the U-shaped card of described metal (91) comprises U-shaped buckle (911) and tie down screw (912), U-shaped buckle (911) is provided with two joint pins perforation (9111), and tie down screw (912) is fixed connection through joint pin perforation (9111).