CN108275063B - Three-electric system structural arrangement of pure electric refrigerator car - Google Patents
Three-electric system structural arrangement of pure electric refrigerator car Download PDFInfo
- Publication number
- CN108275063B CN108275063B CN201710008005.2A CN201710008005A CN108275063B CN 108275063 B CN108275063 B CN 108275063B CN 201710008005 A CN201710008005 A CN 201710008005A CN 108275063 B CN108275063 B CN 108275063B
- Authority
- CN
- China
- Prior art keywords
- bracket
- battery
- chassis
- air
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000009191 jumping Effects 0.000 claims 1
- 238000012857 repacking Methods 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3223—Cooling devices using compression characterised by the arrangement or type of the compressor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to three-electric system structural arrangement of a pure electric refrigerator car. The power battery pack is divided into four identical battery boxes 7 which are hung on the outer sides of longitudinal beams between front and rear axles by utilizing the refitting of a mature middle-truck chassis, a whole vehicle controller 25 is placed behind a driver seat of a cab, a driving motor 6 is arranged at the position of a gearbox 39 of the original chassis 1, and a motor controller 5, a high-voltage distribution box 19, a power-assisted steering pump 21, an air-conditioner compressor 3, a water pump 22, a three-in-one 17 and a battery main control box 4 are arranged below the cab; the power-assisted steering pump 21, the water pump 22 and the air-conditioning compressor 3 are arranged on a first front cabin bracket 23, and the motor controller 5, the high-voltage distribution box 20, the three-in-one 17 and the battery main control box 4 are arranged on a second front cabin bracket 18; an air compressor 13 and an air cleaner 12 are provided at the left rear of the chassis 1. The pure electric refrigerator car has the advantages of high safety and economy, energy conservation, environmental protection, low noise, low use cost and the like.
Description
Technical Field
The invention belongs to the technical field of pure electric vehicles, and particularly relates to three-electric-system structural arrangement of a pure electric refrigerator car.
Background
At present, the domestic refrigerated vehicles basically adopt the traditional gasoline/diesel engine as power, and along with the increasingly shortage of global petroleum resources and the gradual improvement of the national requirements on vehicle emission, the pure electric vehicles become the main trend of vehicle development.
The pure electric refrigerator car can solve the problem of short-range logistics in cities and needs to be developed.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art described above to some extent.
Therefore, the invention aims to provide three-electric system structural arrangement of a pure electric refrigerator car, which is characterized in that a mature middle-truck chassis is adopted for refitting, the car model is in a jump-in X500-33, an engine and accessories, a cooling system and a fuel system attached to an original chassis car are removed, a gear device and an instrument matched with an electric control system are replaced, a whole car controller, a driving motor, a power battery pack and a battery management system, a high-voltage distribution box, a vehicle-mounted direct-current charging port, an electric air compressor, an electric power steering pump and a refrigerator are added, the battery management system is arranged in a battery main control box, and three-in-one devices are added, wherein the three-in-one devices comprise an air compressor DC/AC, a power steering pump DC/AC and a 24V storage battery DC/DC;
the power battery pack is composed of four same battery boxes which are hung on the outer sides of longitudinal beams between a front bridge and a rear bridge, a storage battery of an original vehicle moves to the right rear side and is connected with the longitudinal beams through a transition bracket, and two gas storage cylinders of the original vehicle are replaced to be hung on the inner sides of the longitudinal beams and are connected with the longitudinal beams through the transition bracket; the original vehicle dryer is moved to the inner side of the longitudinal beam and the front of the rear axle, and a hole is drilled on the transverse beam and fixed on the transverse beam;
the whole vehicle controller is arranged behind the driver seat of the cab, the low-voltage switch is arranged at the right rear of the driver seat of the cab and between the low-voltage switch and the copilot seat, and a wiring hole is formed between the whole vehicle controller and the low-voltage switch;
the driving motor is arranged at the position of a gearbox of the original chassis, and the motor controller, the high-voltage distribution box, the power steering pump, the air conditioner compressor, the water pump and the three-in-one battery main control box are arranged in a space below the cab, behind the original vehicle water tank and above the driving motor;
the power-assisted steering pump, the water pump and the air conditioner compressor are arranged on the first front cabin bracket, and the motor controller, the high-voltage distribution box, the three-in-one battery main control box are arranged on the second front cabin bracket;
an access hole of the power battery pack is arranged between the front axle and the rear axle on the left side and the right side of the refrigerator, and the access door can be turned upwards; the left rear side of the refrigerator is provided with a grid port, the left side below the tail part is provided with an overhaul port of an air compressor and an air filter, and the right side is provided with an overhaul port of a low-voltage storage battery; the refrigerating unit is arranged at the upper end of the front part of the refrigerating box;
the air compressor and the air filter are arranged at the left rear part of the chassis, and the air compressor is arranged on the air compressor bracket.
According to the embodiment of the invention, the first front bin bracket and the second front bin bracket are sectional materials and sheet metal parts, and a wire harness fixing frame is arranged in front of the first front bin bracket and the second front bin bracket.
According to the embodiment of the invention, a rain shield rubber is additionally arranged at the rear part of the cab.
According to the embodiment of the invention, a direct current charging port is arranged beside an access port of the power battery pack on the right side of the refrigerator and near a rear wheel, and is provided with a locking device.
According to the embodiment of the invention, the four battery boxes are respectively arranged on four different battery box brackets, each bracket is provided with a roller, the brackets are fixed on the outer sides of the chassis longitudinal beams through bolts, the four battery boxes are symmetrically arranged, and the height of the battery boxes from the ground is higher than the lowest position of the front bridge and the rear bridge.
According to the embodiment of the invention, the main negative relay is arranged in the battery main control box and is used for disconnecting the protection of the battery system when the charging and discharging contactors in the whole vehicle high-voltage box are unprotected and reach the set limit value.
According to the embodiment of the invention, a driving motor is arranged on an auxiliary frame through a motor bracket and a shock pad; the output flange of the driving motor is connected with the flywheel, the clutch assembly and the gearbox input shaft through bolts, the flange end face is designed according to the flywheel, the motor shell, the flywheel shell and the gearbox shell are connected through bolts, and the motor front end cover is designed according to the flywheel shell; the motor support comprises a left side base, a base reinforcing rib, a motor mounting plate, a reinforcing plate and a right side base, and is connected with a motor base through bolts and holes on the left base and the right base and the reinforcing plate.
According to the embodiment of the invention, the driving motor is water-cooled, the water inlet and outlet of the driving motor adopts a 90-degree elbow and is convenient to connect with a water pipe backwards, and the original gearbox is arranged on the first cross beam behind the cab and on the chassis through a hanging point on the original gearbox.
According to the embodiment of the invention, a first front bin bracket consists of a first left side bracket, a first chassis welding assembly, an air conditioner compressor bracket and a first right side bracket, wherein the first chassis welding assembly is formed by welding a cross beam, a power steering pump mounting seat, a water pump bracket reinforcing rib and an air conditioner compressor mounting seat, and the air conditioner compressor bracket is formed by welding an air conditioner compressor fixing seat and a mounting column; the left side support, the right side support, the air conditioner compressor support and the chassis welding assembly are connected through bolts, and the chassis welding assembly is assembled below the left side support and the right side support.
According to the embodiment of the invention, the front bin bracket II consists of a left side bracket II, an upper bracket I, a supporting frame, a right side bracket II, a chassis welding assembly II, an upper bracket II and an upper bracket III; the chassis welding assembly II is formed by welding a three-in-one mounting seat, a longitudinal beam and a motor controller mounting seat, the upper bracket I is formed by welding a longitudinal beam II, a motor controller mounting seat and a high-voltage distribution box mounting seat, and the upper bracket II is formed by welding an upper bracket mounting seat, a longitudinal beam III and a high-voltage distribution box mounting seat; the left side support II and the right side support II are connected with the first upper support, the second upper support, the third upper support, the support frame and the second underframe welding assembly through bolts.
The beneficial effects of the invention are as follows: the three-electric system structure arrangement of the pure electric refrigerator car fully considers the limitation of the space of the chassis and the whole car, and is used for fixing parts and brackets thereof by holes on the original chassis longitudinal beam or the original cross beam as far as possible due to the installation or the modification of parts on the chassis in consideration of operation and process; the structural arrangement of the power battery pack, the split charging of the motor and the gearbox, the split charging of the front bin, the split charging of the air compressor and other parts are reasonably arranged; the adopted auxiliary three-in-one controller is a controller specially developed for pure electric/hybrid commercial vehicles, and integrates a power steering controller, an air compressor controller and a DC-DC (direct current-direct current) for charging a 24V storage battery; the method has the characteristics of low cost, strong environmental adaptability and long design life; the pure electric refrigerator car has the advantages of high safety and economy, energy conservation, environmental protection, low noise, low use cost and the like.
Drawings
Fig. 1 is a schematic diagram of a three-electric system structural arrangement system of a pure electric refrigerator car.
Fig. 2 is a top view of the chassis assembly arrangement.
Fig. 3 is a front view of the chassis assembly arrangement.
Fig. 4 is a front view of the general arrangement of the cab and the refrigerator.
Fig. 5 is a left side view of the general layout structure of the cab and the refrigerator.
Fig. 6 is a front view of the battery box.
Fig. 7 is a left side view of the battery box.
Fig. 8 is a right side view of the battery box.
Fig. 9 is a rear view of the battery box.
Fig. 10 is a schematic view of the right battery box split charging.
Fig. 11 is a schematic view of the split charging of the left two battery boxes.
Fig. 12 is a schematic view of the structure of the right battery bracket.
Fig. 13 is a schematic view of the structure of the left two battery carriers.
Fig. 14 is a schematic view of the structure of the left two battery carriers.
Fig. 15 is a schematic view of a split drive motor.
Fig. 16 is a schematic diagram of a drive motor.
Fig. 17 is a schematic view of a driving motor bracket structure.
Fig. 18 is a schematic view of a front cartridge holder-package.
Fig. 19 is a schematic view of a front cartridge holder.
Fig. 20 is a schematic diagram of two parts of the front cartridge holder.
Fig. 21 is a schematic view of a front cartridge holder.
Fig. 22 is a schematic illustration of an air compressor package.
Fig. 23 is a schematic view of an air compressor rack construction.
In the figure: 1. chassis 2, electronic fan 3, air-conditioning compressor 4, battery master control box 5, motor controller 6, driving motor 7, battery box 8, right-hand battery tray 9, right-hand battery tray 10, air receiver 11, piezoelectric bottle 12, air cleaner 13, air compressor 14, air compressor rack 15, left-hand battery tray 16, left-hand battery tray 17, three-in-one 18, front bin rack two 19, high-voltage distribution box 20, wire harness holder 21, booster steering pump 22, water pump 23, front bin rack one 24, low-voltage switch 25, whole car controller 26, refrigerator 27, weather shield rubber 28, internal communication socket 29, battery box 30, fuse 31, power line access opening 32, BMS access opening 33, positive electrode socket 34, negative electrode socket 35 the battery box positioning pin 36, the roller 37, the positioning pin sleeve 38, the flywheel housing 39, the gear box 40, the motor shock pad 41, the motor bracket 42, the subframe 43, the motor front end cover 44, the output flange 45, the motor junction box 46, the motor rear end cover 47, the 90-degree elbow 48, the motor right side base 49, the motor mounting plate 50, the motor left side base 51, the motor reinforcing plate 52, the water pump shock pad 53, the left side bracket 54, the chassis welding assembly 55, the air conditioner compressor bracket 56, the right side bracket 57, the left side bracket 58, the upper bracket 59, the chassis welding assembly 60, the support bracket 61, the right side bracket 62, the upper bracket 63, the upper bracket three 64, the air compressor shock pad 65, the left mounting seat 66, the right mounting seat 67, the bottom reinforcing rib 68, and (5) protecting the plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The three-electric system structure of the pure electric refrigerator car is arranged, and is modified by utilizing a mature middle-card chassis (jump X500-33), and an engine, accessories, a cooling system, a fuel system and the like attached to the original chassis car are removed. The power battery is used as an energy source, the driving motor is used as power, and the corresponding control system is matched.
And replacing a gear device and an instrument matched with the electric control system.
And adding a whole vehicle controller: the whole vehicle controller is the core of the whole control system, plays a role of controlling the overall situation, and can receive signals sent by each high-voltage monitor and judge the signals.
Adding a power battery pack and a battery management system: the battery management system with independent development is provided with the functions of voltage acquisition, temperature acquisition, insulation detection, CAN communication and the like.
And a high-voltage distribution box is added: the high-voltage distribution box controls huge energy in the battery bag body, which is equivalent to a large-sized electric switch, and the on-off of the components is controlled through the suction of the contactor.
And a vehicle-mounted direct current charging port is added, namely the lithium battery is rapidly supplemented with energy through a direct current charging pile, and the charging time is about 3 hours each time.
Three-in-one is added: the controller is specially developed for the pure electric vehicle, and integrates a power steering controller, an air compressor controller and a DC-DC (direct current-direct current) for charging a 24V storage battery; has the characteristics of low cost, strong environmental adaptability and long design life.
The electric air compressor is added, and the pure electric refrigerator car loses vacuum source because the pure electric refrigerator car does not use a traditional engine, so that the air compressor, a dryer, a wet air storage cylinder, an air storage cylinder and various air valves and pipelines are required to form a set of air pressure boosting force acting on a brake system.
The electric power steering pump is added, namely the power steering pump (oil pump) provides oil pressure power for an automobile steering system, assists a driver to adjust the direction of the automobile, reduces the strength of the steering wheel for the driver, and naturally plays a certain role in the safety and economy of automobile running.
As shown in fig. 1, the three-electric system structure arrangement system of the pure electric refrigerator car is characterized in that a whole car controller is electrically connected with gears, an accelerator, a brake, an air conditioner button, a PTC button, an instrument, a motor controller, a battery management system and three-in-one; the high-voltage distribution box is connected with the three-in-one, the motor controller, the battery, the charging pile, the air conditioner and the PTC; the battery is connected with a battery management system.
As shown in fig. 2 and 3, the power battery component is the same four battery boxes 7 suspended on the outer sides of longitudinal beams between front and rear axles and respectively arranged on a right battery bracket 8, a right battery bracket 9, a left battery bracket 15 and a left battery bracket 16 under the limitation of the space between the chassis and the whole vehicle and the limitation of the performance requirement of the whole vehicle and the energy density of the battery; therefore, the storage battery of the original vehicle is moved to the right rear side and is connected with the longitudinal beam through the transition bracket, the air cylinders of the original vehicle are replaced by two air cylinders 10 which are hung on the inner side of the longitudinal beam and are connected with the longitudinal beam through the transition bracket; the original vehicle dryer moves to the inner side of the longitudinal beam and the front of the rear axle, and the transverse beam is drilled with holes and fixed on the transverse beam.
The driving motor 6 is arranged at the position of the gearbox 39 of the original chassis 1, so that the length of a high-voltage wiring harness and the lengths of an oil pipe, a water pipe and an air conditioner pipe are reduced, and the motor controller 5, the high-voltage distribution box 19, the power steering pump 21, the air conditioner compressor 3, the water pump 22, the three-in-one 17 and the battery main control box 4 are arranged in the space below a cab, behind an original vehicle water tank and above the driving motor 6, the cab can be turned over, and the components can be detected and maintained by turning the cab.
The power-assisted steering pump 21, the water pump 22, the air-conditioning compressor 3 and the front cabin bracket I23 are arranged; the motor controller 5, the high-voltage distribution box 19, the three-in-one 17 and the battery main control box 4 are arranged on the front bin bracket II 18, and a wire harness fixing frame 20 is arranged in front of the front bin bracket II 18 and used for standardizing the trend of high-low voltage wire harnesses, the whole front bin bracket is made of sectional materials and simple sheet metal parts, weight reduction processing is carried out on the basis of ensuring strength, and hollowed parts can be used for wiring harnesses.
The electronic fan 2 is arranged at the front center of the water tank on the original chassis 1 through a matched transition bracket, and the electronic fan transition bracket is connected with the water tank through bolts.
Considering the installation and manufacture of the refrigerator 26, the wet air reservoir of the original car is too high and descends by modifying its mounting frame on the original basis; the ABS junction box is also located too high and lowered by retrofitting its mounting bracket on the original basis.
Based on the above-described overall arrangement, the air compressor 13 and the air cleaner 12 are disposed at the left rear of the chassis 1, and the air compressor 13 is placed on the air compressor bracket 14.
For operation and process, the installation or modification of the components on the chassis 1 is to fix the components and their brackets in the existing holes of the original chassis stringers or beams as much as possible.
As shown in fig. 4 and 5, the whole vehicle controller 25 is placed behind the driver seat of the cab, the low-voltage switch 24 is placed at the right rear of the driver seat of the cab and between the low-voltage switch 24 and the co-driver seat, and a wiring hole is formed between the whole vehicle controller 25 and the low-voltage switch 24; a rain shield rubber 27 is additionally arranged at the rear part of the cab in consideration of the waterproofness of the high-voltage distribution box 19, the battery main control box 4, the motor controller 5, the three-in-one 17 and the like and the plug-ins thereof in the front cabin; an access port of the power battery pack is arranged between the front axle and the rear axle on the left side and the right side of the refrigerator 26, and the access port can be turned upwards; the left rear side of the refrigerator 26 is provided with a grid port, the left side below the tail part is provided with an overhaul port of the air compressor 13 and the air filter 12, and the right side is provided with an overhaul port of the piezoelectric bottle 11; the refrigerator group is installed at the front upper end of the refrigerator 26.
As shown in fig. 6-13, the power battery pack is arranged outside the middle longitudinal beam of the front axle and the rear axle and is divided into four identical battery boxes and four different battery box brackets in view of the performance of the whole vehicle, the structural space and the energy density of the battery; each of the brackets has a roller 36 thereon.
As shown in fig. 6 to 10, each battery box 7 is provided with an internal communication socket 28, a heating socket 29, a fuse 30, a power line service opening 31, a BMS service opening, a positive electrode socket 33, a negative electrode socket 34, and three battery box positioning pins 35.
Three battery box locating pins 35 are arranged on the upper portion of each battery box 7, each battery box 7 is located through the corresponding three battery box locating pins 35, locating pin sleeves 37 are arranged on the corresponding three battery box locating pins 35, rubber shock pads are arranged on the pins, impact force received by the corresponding battery box locating pins can be buffered, the corresponding battery box locating pins are fixed on a battery bracket through bolt connection, and the battery bracket is fixed on the outer side of a longitudinal beam of the chassis 1 through bolts.
The battery brackets are hollow brackets, support beams are arranged at four corners, and the battery brackets on the left side and the right side of the longitudinal beam are symmetrical with each other except for the holes connected with the longitudinal beam; as shown in fig. 10, which is a schematic view of the split charging of the right battery box, fig. 12, which is a schematic view of the right battery bracket 8, the left bottom of the right battery bracket 8 has an inclination angle of 5 ° with the plane, and the right battery bracket 9 and the right battery bracket 8 are symmetrically installed in the same shape; fig. 11 is a schematic view of the split-charging of the left two battery boxes, fig. 13 is a left two battery bracket 9, the bottom of the left two battery bracket 9 is straight, and the left one battery bracket 16 and the left two battery bracket 15 are symmetrically arranged.
The height of the battery box 7 from the ground is higher than the lowest position of the front axle and the rear axle, so that the waterproof effect is achieved, the collision of the battery can be reduced or even avoided, and the safety is improved; and the refrigerator 26 is provided with an access hole, so that the refrigerator can be turned upwards, and the battery can be detached from the access hole during maintenance, so that the maintainability is high.
For better maintenance, the battery is provided with a single battery main control box 4, a main negative relay is placed in the battery main control box 4 as the final protection, and when the charging and discharging contactors in the whole vehicle high-voltage box are not protected and reach the set limit value, the protection of the battery system is disconnected; the battery management system BMS in the battery main control box 4 normally controls the main negative relay, the heating relay and the charging relay in the battery box according to a reasonable control strategy, and has the functions of voltage acquisition, temperature acquisition, insulation detection, CAN communication and the like.
As shown in fig. 15 to 17, the driving motor 6 is mounted on the sub-frame 42 through the motor bracket 41 and the motor damper 40; the output flange 44 of the driving motor 6 is connected with the flywheel, the clutch assembly and the input shaft of the gearbox 39 through bolts, the end face of the output flange 44 is connected with the outer shell of the driving motor 6, the flywheel shell 38 and the outer shell of the gearbox 39 through bolts according to the design of the flywheel, so that the front end cover 43 of the motor is quite special-shaped and is designed according to the flywheel shell 38, and therefore the flywheel, the clutch and the like running at high speed are not exposed, and a good protection effect is achieved; a motor junction box 45 is arranged on the motor rear end cover 46; the driving motor 6 is water-cooled, and the water inlet and outlet are convenient water pipes which adopt 90-degree elbows 47 and face backwards in order to avoid the front bin bracket II 18 above and accessory parts thereof; the gearbox 39 is mounted by means of a suspension point thereon on a first cross member of the chassis 1 behind the cab.
The motor bracket 41 consists of a motor left side base 50, a base reinforcing rib, a motor mounting plate 49, a motor reinforcing plate 51 and a motor right side base 48, and is connected with a driving motor 6 base through bolts by the motor mounting plate 49 and holes on the left and right bases and the motor reinforcing plate, so that the motor bracket is simple to manufacture, easy to mount and convenient to detach. The reinforcing plate is used here in order to avoid interference of the weld joint with the motor when the motor bracket is welded.
As shown in fig. 18 and 19, the power steering pump 21, the water pump 22 and the air conditioner compressor 3 are arranged on the first front cabin bracket 23 and can be independently disassembled, and are connected with the side surface of the longitudinal beam of the chassis 1 through the side mounting seat by adopting bolts, so that the maintenance and the disassembly are convenient; the steering oil path, the cooling water path and the air conditioning pipeline can be effectively shortened by installing the power steering pump 21, the water pump 22 and the air conditioning compressor 3, so that the cost is reduced, the working efficiency of the power steering pump is improved, and the respective requirements are better met.
The power steering pump 21, the water pump 22 and the air conditioner compressor 3 are provided with motors, so that shock and noise are reduced and performance requirements are met when the power steering pump is assembled.
The first front bin bracket 23 consists of a first left bracket 53, a first underframe welding assembly 54, an air conditioner compressor bracket 55 and a first right bracket 56, the first underframe welding assembly 54 is formed by welding a cross beam, a power steering pump mounting seat, a water pump bracket reinforcing rib and an air conditioner compressor mounting seat, and the air conditioner compressor bracket 55 is formed by welding an air conditioner compressor 3 fixing seat and a mounting column; the left side bracket I53, the right side bracket I56, the air conditioner compressor bracket 55 and the underframe welding assembly I54 are connected by bolts, so that the disassembly and the assembly are convenient.
In view of the limitation of the trend of the power steering oil pipe, the water pipe and the air conditioner pipe, the limitation of the front cabin water tank and the surrounding space thereof, and the limitation of the split-charging position of the front cabin bracket II 18, the special design is that the chassis welding assembly I54 is assembled below the left and right side brackets I to avoid the interference of the pipelines, and the design is such that the whole chassis can be detached from the lower surface of the chassis 1 during maintenance.
As shown in fig. 20 and 21, the motor controller 5, the high-voltage distribution box 19, the three-in-one 17 and the battery main control box 4 are installed on a front cabin bracket two 18 above the rear of a front cabin bracket one 23, and the front cabin bracket two 18 is connected with the upper surface of the chassis longitudinal beam through a mounting seat on the side surface of the front cabin bracket two by bolts and is divided into an upper layer and a lower layer; each spare part can be dismantled and assembled alone, easy maintenance to the length of three electric system high-low voltage pencil has effectually been saved, thereby the cost is practiced thrift.
The second front bin bracket 18 consists of a second left bracket 57, a first upper bracket 58, a supporting frame 60, a second right bracket 61, a second underframe welding assembly 59, a second upper bracket 62 and a third upper bracket 63; the second underframe welding assembly 59 is formed by welding a three-in-one 17 mounting seat, a longitudinal beam and a motor controller 5 mounting seat, the first upper bracket 58 is formed by welding a second longitudinal beam, a motor controller 5 mounting seat and a high-voltage distribution box 19 mounting seat, and the second upper bracket 62 is formed by welding an upper bracket mounting seat, a third longitudinal beam and a high-voltage distribution box 19 mounting seat; the left side bracket II 57 and the right side bracket II 61 are connected with the upper bracket I58, the upper bracket II 62, the upper bracket III 63, the supporting frame 60 and the underframe welding assembly II 59 through bolts, so that the disassembly and the assembly are convenient.
Considering the waterproof performance of each electric component, the limitation of the cab space and the limitation of the split charging of the driving motor 6 and the split charging of the front cabin bracket I23, the special design is that the underframe welding assembly II 59 is assembled below the left side bracket II 57 and the right side bracket II 61; because the space of the upper cab is limited, the first upper bracket 58, the second upper bracket 62 and the third upper bracket 63 cannot be in the same plane, the upper part is designed to be in a step shape, and the support frame 60 is designed in the middle for convenient disassembly and maintenance; the heights of the second upper bracket 62 and the third upper bracket 63 are based on the original consideration, and the motor controller 5 can be assembled and then the installation cover of the three-phase high-voltage wire harness at the front end can be opened without disassembling parts installed at the upper part, so that the height is limited to a small section.
The air compressor 13 is mounted to the air compressor bracket by an air compressor shock pad 64, and the air cleaner 12 is bolted to the air cleaner bracket.
The air compressor support consists of a left mounting seat 65, a right mounting seat 66, a bottom reinforcing rib 67 and a protection plate 68, wherein the protection plate 68 is used for reducing rainwater on the lower side and the left and right sides from splashing into the air compressor 13 and the air filter 12; the refrigerator 26 is provided with an access opening therein, which can facilitate the maintenance of the air compressor 13, the replacement of the filter element of the air cleaner 12, etc.
The main technical parameters of the finished automobile after refitting are as follows.
Dynamic parameters: the maximum speed of the vehicle is 100km/h, the maximum climbing degree is 20%, and the acceleration time from 0 to 50km/h is less than or equal to 10s.
Economic parameters: hundred kilometers of electricity consumption (without air conditioner) 17kwh and a maximum driving range of 150km.
Power battery parameters: rated at 384VDC and a total capacity of 76.8Kwh.
Driving motor parameters: the motor type is three-phase permanent magnet synchronous, rated power is 60Kw, and maximum rotation speed is 5000rpm.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc.; the orientation or positional relationship indicated is based on that shown in the drawings for convenience of description and simplicity of description only, and is not intended to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to the terms "embodiment," "specific embodiment," "example," or "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. Three electric system structural arrangement of pure electric refrigerator car utilizes ripe well card chassis repacking, and the motorcycle type is for jumping into X500-33, removes the engine that the former car of chassis (1) attached and annex, cooling system, fuel system, change with supporting gear device of electrical system and instrument, increase whole car controller (25), driving motor (6), power battery group and battery management system, high-voltage distribution box (19), on-vehicle direct current charge mouth, electric air compressor (13), electric power steering pump (21), fridge (26), battery management system arranges in battery master control box (4), characterized by:
a three-in-one (17) is added, and the three-in-one (17) comprises an air compressor DC/AC, a power steering pump DC/AC and a 24V storage battery DC/DC;
the power battery pack is composed of four same battery boxes (7) which are hung on the outer sides of longitudinal beams between a front bridge and a rear bridge, a storage battery of an original vehicle moves to the right rear side and is connected with the longitudinal beams through a transition bracket, and two gas storage cylinders (10) of the original vehicle are replaced to be hung on the inner sides of the longitudinal beams and are connected with the longitudinal beams through the transition bracket; the original vehicle dryer is moved to the inner side of the longitudinal beam and the front of the rear axle, and a hole is drilled on the transverse beam and fixed on the transverse beam;
the whole vehicle controller (25) is arranged behind a driver seat of the cab, the low-voltage switch (24) is arranged at the right rear of the driver seat of the cab and between the low-voltage switch and the copilot seat, and a wiring hole is formed between the whole vehicle controller (25) and the low-voltage switch (24);
a driving motor (6) is arranged at the position of a gearbox (39) of the original chassis (1), and a motor controller (5), a high-voltage distribution box (19), a power-assisted steering pump (21), an air-conditioner compressor (3), a water pump (22), a three-in-one (17) and a battery main control box (4) are arranged in a space below a cab, behind an original vehicle water tank and above the driving motor (6);
the power-assisted steering pump (21), the water pump (22) and the air-conditioner compressor (3) are arranged on a first front cabin bracket (23), and the motor controller (5), the high-voltage distribution box (19), the three-in-one (17) and the battery main control box (4) are arranged on a second front cabin bracket (18); an access hole of the power battery pack is arranged between the front axle and the rear axle at the left side and the right side of the refrigerator (26), and the access door can be turned upwards; the left rear side of the refrigerator (26) is provided with a grid port, the left side below the tail part is provided with an overhaul port of the air compressor (13) and the air filter (12), and the right side is provided with an overhaul port of the low-voltage battery; the refrigerating unit is arranged at the upper end of the front part of the refrigerating box (26); the air compressor (13) and the air filter (12) are arranged at the left rear part of the chassis (1), and the air compressor (13) is arranged on the air compressor bracket (14);
the driving motor (6) is arranged on the auxiliary frame (42) through a motor bracket (41) and a motor shock pad (40); an output flange (44) of the driving motor (6) is connected with a flywheel, a clutch assembly and an input shaft of a gearbox (39) through bolts, the end face of the flange is designed according to the flywheel, a motor shell, a flywheel shell (38) and a gearbox (39) shell are connected through bolts, and a motor front end cover (43) is designed according to the flywheel shell (38);
the driving motor (6) is water-cooled, a water inlet and outlet of the driving motor (6) adopts a 90-degree elbow (47) and is convenient to connect with a water pipe backwards, and the original gearbox (39) is arranged behind the cab and on a first cross beam of the chassis (1) through a hanging point on the original gearbox.
2. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 1, wherein a first front cabin bracket (23) and a second front cabin bracket (18) are sectional materials and sheet metal parts, and a wire harness fixing frame (20) is arranged in front of the first front cabin bracket (18).
3. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 1, wherein a rain shield rubber (27) is additionally arranged at the rear part of the cab.
4. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 1, wherein a direct current charging port is opened beside an overhaul port of a right-side power battery pack of the refrigerator (26) and near a rear wheel, and the direct current charging port is provided with a locking device.
5. The three-electric system structural arrangement of the pure electric refrigerator car according to claim 1, wherein the four battery boxes (7) are respectively arranged on four different battery box brackets, each bracket is provided with a roller (36), the brackets are fixed on the outer side of a longitudinal beam of the chassis (1) through bolts, the four battery boxes (7) are symmetrically arranged, and the ground clearance height of the battery boxes (7) is higher than the lowest position of a front bridge and a rear bridge.
6. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 1, wherein a main negative relay is arranged in a battery main control box (4) and used for disconnecting the protection of the battery system when a charging and discharging contactor in a high-voltage box of the whole car is unprotected and reaches a set limit value.
7. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 2, wherein the first front cabin bracket (23) consists of a first left side bracket (53), a first chassis welding assembly (54), an air conditioner compressor bracket (55) and a first right side bracket (56), the first chassis welding assembly (54) is formed by welding a cross beam, a power steering pump mounting seat, a water pump bracket reinforcing rib and an air conditioner compressor mounting seat, and the air conditioner compressor bracket (55) is formed by welding an air conditioner compressor fixing seat and a mounting column; the left side bracket I (53), the right side bracket I (56), the air conditioner compressor bracket (55) and the underframe welding assembly I (54) are connected through bolts, and the underframe welding assembly I (54) is assembled below the left side bracket I (53) and the right side bracket I (56).
8. The three-electric system structural arrangement of a pure electric refrigerator car according to claim 1, wherein the front cabin bracket two (18) consists of a left side bracket two (57), an upper bracket one (58), a supporting bracket (60), a right side bracket two (61), a chassis welding assembly two (59), an upper bracket two (62) and an upper bracket three (63); the chassis welding assembly II (59) is formed by welding a three-in-one (17) mounting seat, a longitudinal beam and a motor controller (5) mounting seat, the upper bracket I (58) is formed by welding a longitudinal beam II, a motor controller (5) mounting seat and a high-voltage distribution box (19) mounting seat, and the upper bracket II (62) is formed by welding an upper bracket mounting seat, a longitudinal beam III and a high-voltage distribution box (19) mounting seat; the left side bracket II (57), the right side bracket II (61) and the upper bracket I (58), the upper bracket II (62), the upper bracket III (63), the supporting frame (60) and the underframe welding assembly II (59) are connected through bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710008005.2A CN108275063B (en) | 2017-01-05 | 2017-01-05 | Three-electric system structural arrangement of pure electric refrigerator car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710008005.2A CN108275063B (en) | 2017-01-05 | 2017-01-05 | Three-electric system structural arrangement of pure electric refrigerator car |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108275063A CN108275063A (en) | 2018-07-13 |
CN108275063B true CN108275063B (en) | 2024-04-16 |
Family
ID=62800608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710008005.2A Active CN108275063B (en) | 2017-01-05 | 2017-01-05 | Three-electric system structural arrangement of pure electric refrigerator car |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108275063B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110861481A (en) * | 2019-11-05 | 2020-03-06 | 广州电力机车有限公司 | Battery installation device of electric mining vehicle |
CN112895871B (en) * | 2021-01-25 | 2023-11-24 | 安徽姆大陆科技发展有限公司 | New forms of energy swill treatment car electricity and water double-purpose case |
CN113306627A (en) * | 2021-06-02 | 2021-08-27 | 陕西汽车集团股份有限公司 | Chassis arrangement structure of light commercial vehicle |
CN115162456B (en) * | 2022-06-23 | 2024-02-20 | 厦门宇龙机械有限公司 | Three-electric linkage arrangement system of pure electric mini excavator |
CN115610512A (en) * | 2022-10-31 | 2023-01-17 | 三一电动车科技有限公司 | Vehicle chassis structure and electric vehicles |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201784444U (en) * | 2010-07-21 | 2011-04-06 | 北汽福田汽车股份有限公司 | Pure electric vehicle chassis and pure electric vehicle |
CN102303507A (en) * | 2011-06-29 | 2012-01-04 | 重庆长安汽车股份有限公司 | Pure electric vehicle |
CN204264267U (en) * | 2014-11-18 | 2015-04-15 | 中国第一汽车股份有限公司 | A kind of novel hybrid commercial vehicle/comm..vehicle chassis |
CN104786803A (en) * | 2015-04-07 | 2015-07-22 | 武汉英康汇通电气有限公司 | High driving range all-electric logistics vehicle structure |
CN104816618A (en) * | 2015-04-09 | 2015-08-05 | 安徽广通汽车制造股份有限公司 | Electric car chassis with lithium battery |
CN204956069U (en) * | 2015-09-10 | 2016-01-13 | 东风特汽(十堰)专用车有限公司 | Electricelectric moves chassis arrangement structure of commercial car |
CN205059477U (en) * | 2015-10-15 | 2016-03-02 | 北京理工大学 | Distributing type four wheel drive's pure electric vehicles electric system |
CN105416401A (en) * | 2015-12-17 | 2016-03-23 | 重庆创隆实业有限公司 | Electric truck chassis |
CN205365740U (en) * | 2015-12-17 | 2016-07-06 | 重庆创隆实业有限公司 | Electric truck chassis |
CN205524487U (en) * | 2016-03-28 | 2016-08-31 | 武汉英康汇通电气有限公司 | Electricelectric moves light bus control system installation front deck support |
CN206900227U (en) * | 2017-01-05 | 2018-01-19 | 武汉英康汇通电气有限公司 | The pure electric system structure of electronic refrigerator car three arrangement |
-
2017
- 2017-01-05 CN CN201710008005.2A patent/CN108275063B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201784444U (en) * | 2010-07-21 | 2011-04-06 | 北汽福田汽车股份有限公司 | Pure electric vehicle chassis and pure electric vehicle |
CN102303507A (en) * | 2011-06-29 | 2012-01-04 | 重庆长安汽车股份有限公司 | Pure electric vehicle |
CN204264267U (en) * | 2014-11-18 | 2015-04-15 | 中国第一汽车股份有限公司 | A kind of novel hybrid commercial vehicle/comm..vehicle chassis |
CN104786803A (en) * | 2015-04-07 | 2015-07-22 | 武汉英康汇通电气有限公司 | High driving range all-electric logistics vehicle structure |
CN104816618A (en) * | 2015-04-09 | 2015-08-05 | 安徽广通汽车制造股份有限公司 | Electric car chassis with lithium battery |
CN204956069U (en) * | 2015-09-10 | 2016-01-13 | 东风特汽(十堰)专用车有限公司 | Electricelectric moves chassis arrangement structure of commercial car |
CN205059477U (en) * | 2015-10-15 | 2016-03-02 | 北京理工大学 | Distributing type four wheel drive's pure electric vehicles electric system |
CN105416401A (en) * | 2015-12-17 | 2016-03-23 | 重庆创隆实业有限公司 | Electric truck chassis |
CN205365740U (en) * | 2015-12-17 | 2016-07-06 | 重庆创隆实业有限公司 | Electric truck chassis |
CN205524487U (en) * | 2016-03-28 | 2016-08-31 | 武汉英康汇通电气有限公司 | Electricelectric moves light bus control system installation front deck support |
CN206900227U (en) * | 2017-01-05 | 2018-01-19 | 武汉英康汇通电气有限公司 | The pure electric system structure of electronic refrigerator car three arrangement |
Also Published As
Publication number | Publication date |
---|---|
CN108275063A (en) | 2018-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108275063B (en) | Three-electric system structural arrangement of pure electric refrigerator car | |
CN104786803B (en) | The pure electronic logistics bassinet structure arrangement of continual mileage high | |
US11155148B2 (en) | Integrated mounting systems for mounting electric drive components within electrified vehicles | |
CN203222035U (en) | Hybrid power vehicle and front cabin thereof | |
CN202071897U (en) | Arranging structure of electric automobile front cabin | |
CN204196676U (en) | Cabin arrangement structure of pure electric vehicle | |
CN206900227U (en) | The pure electric system structure of electronic refrigerator car three arrangement | |
CN203372045U (en) | Nose cabin arrangement structure of power-driven automobile | |
CN203995626U (en) | A kind of extended-range electrobus | |
CN206938479U (en) | Micro fuel cell logistic car complete vehicle structure is arranged | |
CN205524487U (en) | Electricelectric moves light bus control system installation front deck support | |
CN109109642B (en) | Electric vehicle | |
CN101037092B (en) | Capacitance drawing type electric car | |
CN107264254B (en) | Truck | |
CN102180084A (en) | Overall electric automobile cabin auxiliary system installation structure | |
CN101544179B (en) | Installation structure of battery/battery pack for electric vehicle | |
CN207241403U (en) | Three electric system structure of pure electric vehicle armoured van is arranged | |
CN105818660A (en) | Structure arrangement of pure electric light bus | |
CN206501696U (en) | It is pure electronic low with logistics bassinet structure arrangement | |
CN103879272A (en) | Hybrid power truck provided with multiple electric accessories | |
CN204659426U (en) | The pure electronic logistic car structural arrangement of high continual mileage | |
CN202965929U (en) | Hybrid power truck provided with multiple electric accessories | |
CN206856481U (en) | A kind of novel pure electrically propelled traction vehicle | |
CN204659477U (en) | A kind of integrated components and parts for the pure electronic logistic car of high continual mileage | |
CN204659430U (en) | A kind of power battery pack for the pure electronic logistic car of high continual mileage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |