CN111017025A

CN111017025A - Electric motor coach

Info

Publication number: CN111017025A
Application number: CN201911370846.3A
Authority: CN
Inventors: 韩志龙
Original assignee: Tianjin Guangtong Automobile Co ltd; Yinlong New Energy Co Ltd
Current assignee: Tianjin Guangtong Automobile Co ltd; Yinlong New Energy Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-17

Abstract

The invention provides an electric motor coach, which comprises a chassis assembly, a coach body arranged on the chassis assembly, a battery protection structure arranged at the top of the coach body and a cab surrounding structure arranged in the coach body, wherein a plurality of bottom battery compartments for placing power batteries are arranged in a bottom battery mounting area of the chassis assembly; a plurality of rear battery cabins for placing power batteries are arranged in the rear mounting part of the chassis assembly; the battery protection structure comprises a protection cover, a cabin door and a top fire extinguishing part; the cab surrounding structure comprises a rear surrounding structure, a side surrounding structure, a driver door structure, a first handrail structure and a second handrail structure which are connected in sequence. By adopting the scheme, a plurality of power batteries can be arranged in the underframe, the rear mounting part and the top of the vehicle body, so that the endurance mileage can be improved. Moreover, the safety of the power battery at the top can be ensured through the top fire extinguishing part, the safe driving of a driver can be ensured through the surrounding structure of the cab, and the air outlet can be switched up and down through an air conditioning system.

Description

Electric motor coach

Technical Field

The invention relates to the technical field of passenger cars, in particular to an electric passenger car.

Background

The electric motor coach is a coach which takes a vehicle-mounted power supply as power and is driven to run by matching with a proper power battery to provide electric energy. The electric motor coach has good power performance, can continuously travel for hundreds of kilometers, has long service life of the battery and lower cost, and is well equipped with the whole coach. The electric motor coach realizes diversification of traffic energy structures, can reduce automobile emission pollution and protect the environment. Electric motor coach and traditional fuel passenger car have the difference on many arrangement structure, how to make electric motor coach arrange more rationalize, especially power battery's arrangement is more reasonable to improve the continuation of the journey mileage when guaranteeing passenger's space, be one of electric motor coach design and manufacturing's main problem.

Disclosure of Invention

The invention provides an electric motor coach, which aims to improve the endurance mileage of the electric motor coach.

In order to solve the problems, the invention provides an electric motor coach, which comprises a chassis assembly, a coach body arranged on the chassis assembly, a battery protection structure arranged at the top of the coach body and a cab surrounding structure arranged in the coach body, wherein the chassis assembly comprises a chassis and a rear mounting part, the chassis is provided with a bottom battery mounting area, a plurality of bottom battery cabins used for placing power batteries are arranged in the bottom battery mounting area, the bottom battery cabins are distributed along the length direction of the chassis, the number of the bottom battery mounting areas is two, and the two bottom battery mounting areas are arranged at intervals in the length direction of the chassis; the bottom of the rear mounting part is connected with the rear end of the underframe, a plurality of rear battery cabins for placing power batteries are arranged in the rear mounting part, and the plurality of rear battery cabins are distributed in the vertical direction; the battery protection structure comprises a protection cover, a cabin door and a top fire extinguishing part, wherein the protection cover is internally provided with a top battery cabin for placing a power battery, and the protection cover is provided with a hatch for taking and placing the power battery; the cabin door is connected with the protective cover and can be arranged at the cabin opening in an opening and closing manner; the top fire extinguishing part is arranged in the top battery cabin and is used for spraying fire extinguishing agent to the power battery in the top battery cabin; the cab surrounding structure comprises a rear surrounding structure, a side surrounding structure, a driver door structure, a first handrail structure and a second handrail structure which are connected in sequence, wherein the rear surrounding structure, the side surrounding structure and the driver door structure are used for surrounding a cab in the vehicle body, and the second handrail structure is used for being connected with an instrument desk in the vehicle body; the driver door structure comprises a door frame, a protective door and a door lock, wherein one side of the protective door is hinged to the side wall structure, the other side of the protective door is arranged on the door frame in an openable and closable manner, and the door lock is used for locking the protective door on the door frame in an openable manner.

Further, the battery protection structure further comprises: the fan is arranged in the top battery compartment and used for cooling the power battery in the top battery compartment; the sensor is arranged in the top battery compartment and is used for detecting the temperature in the top battery compartment; the top controller, the fan, the sensor with the top portion of putting out a fire all with the top controller electricity is connected, the top controller passes through the testing result control of sensor the fan with the operation of top portion of putting out a fire.

Further, the battery protection structure still includes the tool to lock, the tool to lock includes: the rotating shaft is rotatably arranged on the cabin door; the limiting piece is arranged on the rotating shaft to rotate along with the rotating shaft and is provided with an avoiding position and a locking position; under the condition that the limiting part is located at the avoiding position, the limiting part is separated from the protective cover; the hatch door is in the position of closing the hatch and the limiting piece is in under the condition of locking the position, the limiting piece is in limiting fit with the protective cover so as to lock the hatch door on the protective cover.

Further, the battery protection structure further comprises: one end of the limiting chain is arranged on the protective cover; the lock hook is arranged at the other end of the limiting chain; the lock ring is arranged on the cabin door, and the lock hook is detachably connected with the lock ring.

Further, the chassis assembly further comprises: the steering system is arranged at the front end of the underframe; the front axle system is arranged on the underframe and is connected with the steering system in a matching way; and the two bottom battery mounting areas are positioned between the front axle system and the rear axle system.

Further, the rear installation department includes after-mounting frame, posterior lateral plate, back end plate and back bottom plate, and is a plurality of back battery compartment is located on the after-mounting frame, the back end plate sets up keeping away from of after-mounting frame one side of chassis front end, the back end plate sets up the side of after-mounting frame, the back bottom plate sets up the bottom of after-mounting frame, the back end plate with all have a plurality of ventilation holes on the back bottom plate.

Furthermore, the driver door structure further comprises a door opening alarm, the door lock comprises a lock body, an indoor operating part and an outdoor operating part, the lock body is in a locking state in limit fit with the door frame so as to lock the protective door on the door frame, the lock body is also in an opening state separated from the door frame so as to open the protective door, the indoor operating part is positioned on one side of the protective door, which faces the driver cab, the outdoor operating part is positioned on one side of the protective door, which faces away from the driver cab, and the indoor operating part and the outdoor operating part are both used for operating the lock body; the door opening alarm is electrically connected with the outdoor operation part, and the door opening alarm sends alarm information under the condition that the lock body is moved to an open state through the outdoor operation part.

Further, the guard door includes: one side of the first outer frame is hinged with one side of the side wall structure, and the door lock is arranged on the first outer frame; the two ends of the first cross beam are respectively connected with the two sides of the first outer frame; the first tempered glass is arranged in a region between the upper side of the first cross beam and the first outer frame; and the first aluminum-plastic plate is arranged in the area between the lower side of the first cross beam and the first outer frame.

Further, [ electric ] motor coach still includes air conditioning system, air conditioning system includes air conditioning unit, first wind channel and second wind channel, wherein, air conditioning unit sets up the top of automobile body, first wind channel with air conditioning unit connects, first wind channel is followed the length direction of automobile body extends, it has a plurality of first air outlets to distribute on the first wind channel, the vertical setting in second wind channel, the upper end in second wind channel with first wind channel is connected, the lower extreme in second wind channel is located the bottom of automobile body, the lower extreme in second wind channel has the second air outlet.

Further, the air conditioning system further comprises a door opening and closing structure, wherein at least one part of the door opening and closing structure is movably arranged at the connection position of the first air duct and the second air duct so as to enable the second air duct to be communicated with or disconnected from the first air duct; the second wind channel is a plurality of, and is a plurality of the second wind channel interval sets up in the automobile body, the switch door structure is a plurality of, and is a plurality of the switch door structure sets up with a plurality of the second wind channel one-to-one.

The technical scheme of the invention is applied, and the electric passenger car comprises a chassis assembly, a car body arranged on the chassis assembly, a battery protection structure arranged at the top of the car body and a cab surrounding structure arranged in the car body, wherein a plurality of bottom battery cabins used for placing power batteries are arranged in a bottom battery mounting area of the chassis assembly, and the bottom battery cabins are distributed along the length direction of a chassis; a plurality of rear battery cabins for placing power batteries are arranged in the rear mounting part of the chassis assembly and are distributed along the vertical direction; the battery protection structure comprises a protection cover, a cabin door and a top fire extinguishing part, wherein a top battery cabin for placing a power battery is arranged in the protection cover; the top fire extinguishing part is arranged in the top battery compartment so as to spray fire extinguishing agent to the power battery in the top battery compartment; the cab surrounding structure comprises a rear wall structure, a side wall structure, a driver door structure, a first handrail structure and a second handrail structure which are connected in sequence, wherein the rear wall structure, the side wall structure and the driver door structure are used for surrounding a cab in a vehicle body. By adopting the scheme, a plurality of power batteries can be arranged in the underframe, the rear installation part and the top of the car body, the number of the power batteries is increased while the space of passengers is not influenced, and the endurance mileage can be increased. Moreover, the safety of the power battery at the top can be ensured through the top fire extinguishing part in the battery protection structure, the driver can be prevented from being interfered by passengers through the cab surrounding structure, and the safe driving of the driver is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a front view of an electric motor coach provided by an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view of the electric motor coach of FIG. 1 along a second air duct;

FIG. 3 illustrates a cross-sectional view of the electric motor coach of FIG. 1 along a battery protection configuration;

FIG. 4 shows a schematic view of the battery protection structure of FIG. 1;

FIG. 5 shows a top view of the battery guard structure of FIG. 4;

FIG. 6 shows a schematic view of the hatch door in the battery protection configuration of FIG. 4 after opening;

FIG. 7 shows a cross-sectional view of FIG. 6 along a centerline;

FIG. 8 shows a partial cross-sectional view of FIG. 6 at location A-A;

FIG. 9 shows a partial cross-sectional view of FIG. 6 at location B-B;

FIG. 10 shows a schematic view of the guard and the seal of FIG. 4;

FIG. 11 shows a schematic view of the latch of FIG. 4;

fig. 12 shows a schematic view of the cab enclosure structure of fig. 1 installed in a vehicle body;

FIG. 13 shows a top view of FIG. 12;

FIG. 14 shows a schematic structural view of the guard door of FIG. 12;

FIG. 15 shows a schematic view of the back enclosure structure of FIG. 12;

FIG. 16 shows a top view of FIG. 15;

FIG. 17 shows a schematic view of the side gusset structure of FIG. 12;

figure 18 shows a schematic view of the first handrail construction of figure 12;

FIG. 19 shows a schematic structural view of the chassis assembly of FIG. 1;

FIG. 20 shows a top view of the chassis assembly of FIG. 19;

fig. 21 shows a rear view of the chassis assembly of fig. 19.

Wherein the figures include the following reference numerals:

110. a chassis; 120. a power battery; 130. a steering system; 140. a rear mounting portion; 150. a drive motor; 160. a heat sink; 170. an air suspension system; 181. a storage battery; 182. an auxiliary fire extinguishing unit; 183. a front axle system; 184. a rear axle system; 191. a three-in-one controller; 192. a motor controller; 193. a cooling water tank;

210. a protective cover; 211. a housing; 212. a carrier tray; 220. a cabin door; 221. digging grooves; 230. a fan; 240. a top fire extinguishing section; 250. a lock; 251. a rotating shaft; 252. a limiting member; 261. a spacing chain; 262. a latch hook; 263. a locking ring; 271. a guard; 272. a sealing strip; 280. a drive section;

310. a rear wall structure; 311. a second outer frame; 313. second tempered glass; 314. third tempered glass; 315. a first grab rail; 316. a second grab rail; 320. a side wall structure; 321. a third outer frame; 322. a third cross member; 323. fourth tempered glass; 324. a second aluminum-plastic panel; 330. a driver gate structure; 331. a door frame; 332. a protective door; 333. a door lock; 334. a first outer frame; 335. a first cross member; 336. first tempered glass; 337. a first aluminum-plastic panel; 340. a first armrest structure; 350. a second armrest structure;

410. a vehicle body; 420. an air conditioning unit; 430. a first air duct; 440. and a second air duct.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the drawings, the embodiment of the present invention provides an electric motor coach, which comprises a chassis assembly, a coach body 410 arranged on the chassis assembly, a battery protection structure arranged on the top of the coach body 410, and a cab surrounding structure arranged in the coach body 410, wherein the chassis assembly comprises a chassis 110 and a rear mounting part 140, the chassis 110 has a bottom battery mounting area, a plurality of bottom battery compartments for placing power batteries 120 are arranged in the bottom battery mounting area, the plurality of bottom battery compartments are distributed along the length direction of the chassis 110, the number of the bottom battery mounting areas is two, and the two bottom battery mounting areas are arranged at intervals in the length direction of the chassis 110; the bottom of the rear mounting part 140 is connected with the rear end of the bottom frame 110, a plurality of rear battery compartments for placing the power batteries 120 are arranged in the rear mounting part 140, and the plurality of rear battery compartments are distributed along the vertical direction; the battery protection structure comprises a protection cover 210, a cabin door 220 and a top fire extinguishing part 240, wherein the protection cover 210 is internally provided with a top battery cabin for placing the power battery, and the protection cover 210 is provided with a hatch for taking and placing the power battery; the door 220 is connected with the protective cover 210, and the door 220 is arranged at the door opening and closing; the top fire extinguishing part 240 is arranged in the top battery compartment, and the top fire extinguishing part 240 is used for spraying fire extinguishing agent to the power battery in the top battery compartment; the cab surrounding structure comprises a rear surrounding structure 310, a side surrounding structure 320, a cab door structure 330, a first handrail structure 340 and a second handrail structure 350 which are connected in sequence, wherein the rear surrounding structure 310, the side surrounding structure 320 and the cab door structure 330 are used for surrounding a cab in a vehicle body 410, and the second handrail structure 350 is used for being connected with an instrument desk in the vehicle body 410; the driver door structure 330 includes a door frame 331, a protective door 332, and a door lock 333, one side of the protective door 332 is hinged to the side wall structure 320, the other side of the protective door 332 is openably and closably provided on the door frame 331, and the door lock 333 is used for openably locking the protective door 332 to the door frame 331.

By adopting the scheme, the plurality of power batteries 120 can be arranged in the underframe 110, the rear mounting part 140 and the top of the vehicle body 410, so that the number of the power batteries 120 is increased while the passenger space is not influenced, and the cruising range can be increased. Moreover, the safety of the power battery 120 at the top can be ensured through the top fire extinguishing part 240 in the battery protection structure, and the driver can be prevented from being interfered by passengers through the cab surrounding structure, so that the safe driving of the driver is ensured.

In this embodiment, the battery protection structure further includes: the fan 230 is arranged in the top battery compartment, and the fan 230 is used for cooling the power battery in the top battery compartment; the sensor is arranged in the top battery cabin and used for detecting the temperature in the top battery cabin; the top controller, the fan 230, the sensor and the top fire extinguishing part 240 are all electrically connected with the top controller, and the top controller controls the operation of the fan 230 and the top fire extinguishing part 240 according to the detection result of the sensor. Therefore, all parts are convenient to match, energy is saved, and safety is improved. For example, when the sensor detects that the temperature in the top battery compartment is higher than a predetermined temperature, the top control part controls the fan 230 to operate to perform air-cooling heat dissipation. When the sensor detects that the temperature in the top battery compartment is abnormal, the fire condition can be considered to occur, the fire condition is fed back to the top control part, and the top control part controls the top fire extinguishing part 240 to spray the fire extinguishing agent and extinguish the fire in time.

Optionally, there are two hatches, the door 220 has an arc structure, and the two doors 220 are disposed corresponding to the two hatches one by one. Like this the power battery of accessible two hatches are got respectively and are put different positions, the operation of being convenient for.

In this embodiment, the battery protection structure further includes a lock 250, and the lock 250 includes: a rotating shaft 251, the rotating shaft 251 being rotatably provided on the hatch 220; the limiting member 252, the limiting member 252 is disposed on the rotating shaft 251 to rotate along with the rotating shaft 251, and the limiting member 252 has an avoiding position and a locking position; when the limiting member 252 is in the avoiding position, the limiting member 252 is separated from the protective cover 210; when the door 220 is in the position for closing the hatch and the position limiter 252 is in the locking position, the position limiter 252 is in a limiting fit with the protection cover 210, so as to lock the door 220 to the protection cover 210. Through the matching of the limiting member 252 and the rotating shaft 251, the door 220 can be locked on the protective cover 210, so as to improve the safety.

In this embodiment, the battery protection structure further includes: a limit chain 261, one end of the limit chain 261 is arranged on the protective cover 210; a latch hook 262 disposed at the other end of the stopper chain 261; and a locking ring 263 provided on the hatch door 220, the locking hook 262 being detachably coupled with the locking ring 263. Through the above arrangement, even if the lock 250 is opened or the lock 250 is damaged, the door 220 cannot be completely opened, and the lock hook 262 needs to be disengaged from the lock ring 263 to open the door 220, thereby further improving safety.

Optionally, the protective cover 210 comprises a housing 211 and a carrier plate 212, the housing 211 being arranged on the carrier plate 212, the area between the housing 211 and the carrier plate 212 forming a top battery compartment, a hatch being located on the housing 211, the hatch 220 being hinged to the edge of the hatch. Through the arrangement, the top battery compartment is convenient to form so as to place the power battery.

Optionally, the shield 210 further comprises: a protection member 271, the protection member 271 being connected with the housing 211 and the protection member 271 being located in the top battery compartment, the protection member 271 having a groove extending along the hinge edge of the housing 211 and the compartment door 220, the notch of the groove being disposed corresponding to the hinge edge of the housing 211 and the compartment door 220. Through the arrangement, when rainwater enters a gap between the hinged edges of the shell 211 and the cabin door 220, the rainwater can enter the groove and cannot enter electrical components such as a power battery and the like, so that the safety and the environment adaptability are improved.

Optionally, the battery protection structure further comprises: and a sealing strip 272 provided on the protection member 271, wherein the sealing strip 272 extends along the extending direction of the protection member 271, and one end of the sealing strip 272 abuts against the inner wall of the door 220. Through setting up sealing strip 272, can improve the leakproofness, further avoid the rainwater to enter into electrical apparatus parts such as power battery, improve the reliability.

Optionally, the housing 211 has a ventilation grill thereon to provide ventilation. The edge of the door 220 has a concave slot 221 for allowing a hand to extend into the door 220.

Alternatively, the shield 210 and the door 220 are both made of aluminum alloy to reduce weight while satisfying strength. In this embodiment, the battery protection structure further includes a bracket disposed in the top battery compartment, and the top fire extinguishing unit 240 is disposed on the bracket to facilitate installation of the top fire extinguishing unit 240.

Optionally, the battery protection structure further comprises: one end of the driving part 280 is connected with the shield cap 210, the other end of the driving part 280 is in driving connection with the hatch 220, and the driving part 280 is telescopically arranged to open or close the hatch 220. The driving unit 280 is provided to facilitate the automatic opening and closing of the door 220. The driving part 280 may employ an air cylinder or a hydraulic cylinder.

In this embodiment, the chassis assembly further includes: a steering system 130 provided at a front end of the base frame 110; a front axle system 183 arranged on the chassis 110, wherein the front axle system 183 is connected with the steering system 130 in a matching way; and a rear axle system 184 disposed on the chassis 110, the two bottom battery mounting areas being located between the front axle system 183 and the rear axle system 184. Through the arrangement, the height of the bottom frame 110 can be reduced, so that the height of the floor is reduced, and passengers can get on or off the vehicle conveniently.

In this embodiment, rear mounting portion 140 includes rear mounting bracket, rear side plate, rear end plate and rear bottom plate, and a plurality of rear battery compartments are located the rear mounting bracket, and the rear end plate sets up the one side of keeping away from chassis 110 front end at the rear mounting bracket, and the rear side plate sets up the side at the rear mounting bracket, and the rear bottom plate sets up the bottom at the rear mounting bracket, all has a plurality of ventilation holes on rear side plate, rear end plate and the rear bottom plate. Through the arrangement, the rear battery compartment which is arranged in a multilayer manner is convenient to form. Moreover, the rear side plate, the rear end plate and the rear bottom plate are all provided with a plurality of ventilation holes, so that the ventilation effect can be improved, and the power battery can be cooled.

Optionally, the chassis assembly further comprises: the bottom fire extinguishing part is arranged on the bottom frame 110 and is used for spraying a fire extinguishing agent to the power battery 120 in the bottom battery compartment; and/or a rear fire extinguishing part provided on the rear mounting part 140, the rear fire extinguishing part being used to spray a fire extinguishing agent to the power battery 120 located in the rear battery compartment. Through the arrangement, the fire can be timely extinguished when fire occurs, so that the fire is prevented from spreading, and the safety is improved.

Optionally, the chassis assembly further comprises a plurality of lithium titanate power batteries distributed in the plurality of bottom battery compartments and the plurality of rear battery compartments. By adopting the lithium titanate power battery, the energy density can be improved, and the performance of the power battery is improved, so that the endurance mileage of the passenger car is improved.

Optionally, the chassis assembly further comprises: the bottom tray is detachably arranged in the bottom battery compartment and is used for bearing the power battery 120 in the bottom battery compartment; and a bottom sealing door which is arranged at the opening of the bottom battery compartment in an openable and closable manner. Through the setting, the power battery can be conveniently mounted and dismounted, and the protection can be realized through the bottom sealing door.

Accordingly, in this embodiment, the chassis assembly further includes: the rear tray is detachably arranged in the rear battery compartment and is used for bearing the power battery 120 in the rear battery compartment; and a rear seal door which is openably and closably provided at the opening of the rear battery compartment. Through the above arrangement, the power battery can be conveniently mounted and dismounted, and the protection can be realized through the rear sealing door.

Optionally, the chassis assembly further comprises: the driving motor 150 is arranged on the underframe 110, and the driving motor 150 is in driving connection with the rear axle system 184; and a heat sink 160 disposed on the bottom chassis 110, the heat sink 160 cooperating with the driving motor 150 to dissipate heat of the driving motor 150. The drive motor 150 is operated by power supplied from the power battery, and the drive motor 150 is drivingly connected to the rear axle system 184 for driving the rear axle system 184 in operation. The heat radiator 160 can timely radiate the heat of the driving motor 150, thereby ensuring long-term reliable operation.

Optionally, the chassis assembly further comprises: air suspension system 170, front axle system 183 and rear axle system 184 are all coupled to air suspension system 170. The air suspension system 170 may provide support and shock absorption for the axle system, ensuring smooth vehicle operation.

Optionally, the chassis assembly further includes a cooling water tank 193, the cooling water tank 193 being used to circulate water to the radiator 160, and the cooling water tank 193 being provided on the rear mounting portion 140. A battery compartment is also provided on the bottom chassis 110 to house a battery 181, the battery compartment being located at the front end of the bottom chassis 110. The chassis assembly further includes a supplementary fire extinguishing unit 182 provided at a front end of the chassis 110 to extinguish a fire of the battery 181.

Optionally, the chassis assembly further comprises a triple controller 191 and a motor controller 192, both the triple controller 191 and the motor controller 192 being disposed in the rear mounting portion 140 to control the electrical components. The chassis assembly also includes a braking system.

In this embodiment, the door structure 330 further includes a door opening alarm, the door lock 333 includes a lock body, an indoor operating part and an outdoor operating part, the lock body has a locking state that is in limit fit with the door frame 331 to lock the protection door 332 on the door frame 331, the lock body also has an opening state that is separated from the door frame 331 to open the protection door 332, the indoor operating part is located on the side of the protection door 332 facing the cab, the outdoor operating part is located on the side of the protection door 332 facing away from the cab, and both the indoor operating part and the outdoor operating part are used for operating the lock body; the door opening alarm is electrically connected with the outdoor operation part, and the door opening alarm sends alarm information under the condition that the lock body is moved to the open state through the outdoor operation part. By adopting the scheme, when the passenger outside the cab opens the protective door 332, the alarm can send alarm information in time to attract the attention of the driver or other passengers, so that the influence on safe driving of the driver caused by the malicious opening of the passenger can be avoided, and the safety is further improved.

Optionally, the driver door structure 330 further comprises: and the door opening shield is arranged on the protective door 332, and the outdoor operation part is positioned in the cavity of the door opening shield. The safety can be improved by arranging the door opening protective cover, and the passengers are prevented from randomly operating or mistakenly touching the outdoor operating part. The opening shield is provided to be openable and closable or crushable by an external force.

In the present embodiment, the guard door 332 includes: one side of the first outer frame 334 is hinged with one side of the side wall structure 320, and the door lock 333 is arranged on the first outer frame 334; two ends of the first cross beam 335 are respectively connected with two sides of the first outer frame 334; a first tempered glass 336 installed at a region between an upper side of the first cross member 335 and the first outer frame 334; a first aluminum-plastic panel 337 is installed at a region between the lower side of the first cross member 335 and the first outer frame 334. The structural strength and the aesthetic property of the protective door 332 can be improved by the above arrangement, and the influence on the field of vision of the driver can be avoided.

Optionally, the rear enclosure structure 310 includes: one side of the second outer frame 311 is connected with one side of the side wall structure 320, and the other side of the second outer frame 311 is used for being connected with the body of the passenger car; two ends of the second beam are respectively connected with two sides of the second outer frame 311; a second tempered glass 313 installed at a region between an upper side of the second beam and the second outer frame 311; and a third tempered glass 314 installed at a region between the lower side of the second beam and the second outer frame 311. The strength and the aesthetic property of the rear surrounding structure 310 can be ensured by the above arrangement.

Optionally, the rear enclosure structure 310 further includes: a first grab rail 315 disposed on the second outer frame 311, the first grab rail 315 being horizontally disposed; and a second grab rail 316 disposed on the second outer frame 311, the second grab rail 316 being disposed vertically. Thus, the passenger can be conveniently held, the passenger can be prevented from shaking or falling down, and the safety and the convenience are improved.

Optionally, the side wall structure 320 includes: one side of the third outer frame 321 is connected to one side of the rear enclosure structure 310, and the other side of the third outer frame 321 is hinged to the protective door 332; two ends of the third beam 322 are respectively connected with two sides of the third outer frame 321; a fourth tempered glass 323 installed at a region between an upper side of the third beam 322 and the third outer frame 321; and a second aluminum-plastic panel 324 installed at a region between the lower side of the third cross member 322 and the third outer frame 321. Therefore, the side wall structure 320 has high strength and is more attractive, and the influence on the visual field of a driver is avoided.

Optionally, the cab enclosure further comprises: the lower end of the first top connecting beam is connected with the rear wall structure 310, and the upper end of the first top connecting beam is used for being connected with the top wall of the vehicle body; and/or a second top connecting beam, wherein the lower end of the second top connecting beam is connected with the side wall structure 320, and the upper end of the second top connecting beam is used for being connected with the top wall of the vehicle body. The cab surrounding structure can be connected with the vehicle body through the arrangement, so that the reliability of the cab surrounding structure is improved.

Optionally, the first handrail structure 340 includes a first longitudinal beam, a second longitudinal beam, a third longitudinal beam, and a fourth transverse beam and a fifth transverse beam, wherein the first longitudinal beam, the second longitudinal beam, the third longitudinal beam, and the fourth transverse beam and the fifth transverse beam are vertically disposed, the first longitudinal beam is connected to the door frame 331, two ends of the fourth transverse beam are respectively connected to the first longitudinal beam and the third longitudinal beam, the two fourth transverse beams are disposed at an interval, two ends of the second longitudinal beam are respectively connected to the two fourth transverse beams, one end of the fifth transverse beam is connected to the first longitudinal beam, the other end of the fifth transverse beam is connected to the second longitudinal beam, and the second handrail structure 350 is connected to the third longitudinal beam. The first handrail structure 340 can be convenient for the passenger to hold. The structural strength of the first handrail structure 340 can be improved by the above arrangement, and a card reader can be mounted on the first handrail structure 340.

Optionally, the second handrail structure 350 includes a sixth cross beam, a seventh cross beam, and an eighth cross beam sequentially connected in the horizontal direction, where one end of the sixth cross beam is connected to the first handrail structure 340, the seventh cross beam is perpendicular to the sixth cross beam, the eighth cross beam is parallel to the sixth cross beam, and one end of the eighth cross beam is used for being connected to the instrument desk. This facilitates the grip when passengers get on or off the vehicle for improved safety.

In this embodiment, [ electric ] motor coach still includes air conditioning system, air conditioning system includes air conditioning unit 420, first wind channel 430 and second wind channel 440, wherein, air conditioning unit 420 sets up the top at automobile body 410, first wind channel 430 is connected with air conditioning unit 420, first wind channel 430 extends along the length direction of automobile body 410, it has a plurality of first air outlets to distribute on the first wind channel 430, second wind channel 440 vertical setting, the upper end and the first wind channel 430 of second wind channel 440 are connected, the lower extreme in automobile body 410 in second wind channel 440, the lower extreme in second wind channel 440 has the second air outlet. Thus, air can be exhausted from the upper portion of the vehicle body 410 through the first air duct 430 or from the lower portion of the vehicle body 410 through the second air duct 440, and flexibility and passenger comfort are improved. For example, air is blown out from top to bottom through the first air duct 430 during cooling, and air is blown out from bottom to top through the second air duct 440 during heating, so that the heat exchange effect is improved.

Further, the air conditioning system further comprises a door opening and closing structure, at least one part of which is movably arranged at the connection position of the first air duct 430 and the second air duct 440, so that the second air duct 440 is communicated with or disconnected from the first air duct 430; the second air ducts 440 are multiple, the second air ducts 440 are arranged in the vehicle body 410 at intervals, the door opening and closing structures are multiple, and the door opening and closing structures and the second air ducts 440 are arranged in a one-to-one correspondence manner. Therefore, the second air duct 440 can be disconnected from the first air duct 430 by the door opening and closing structure during refrigeration, so as to avoid air outlet from the second air duct 440; when heating, the second air duct 440 is communicated with the first air duct 430 through the door opening and closing structure, and the first air outlet is closed, so that air is only exhausted from the second air duct 440, and the operation and adjustment are facilitated. The second air duct 440 is provided in plurality, so that the uniformity of heat exchange can be improved, and the comfort of passengers can be improved.

The whole length of the electric motor coach is about 10.5 meters, the middle part in the coach adopts a low floor form, and a driver surrounding structure arranged in a driving area ensures the driving safety of a driver; the rear parts are connected by adopting a high floor structure. And the rear high-voltage electric device is isolated by adopting an isolating structure. The two lithium titanate quick-charging batteries are arranged on the roof, so that the whole electric quantity is increased, the requirement that the vehicle runs in a 60km running interval is met, the vehicle can be quickly charged, the charging multiplying power is larger than 3C, and the vehicle can be quickly charged. Has wide market prospect in city and countryside as well as village, town and village. The daily trip of people is satisfied, social benefit is produced simultaneously, improves urban and rural residents' convenience.

Optionally, the electric motor coach comprises: 1. a rapid charging lithium titanate battery system; 2. a hazardous chemical monitoring system; 3. the system comprises a vehicle anti-collision early warning system and a driver anti-fatigue monitoring system; 4. the roof is provided with a cooling and heating integrated air conditioner; 5. the system comprises an independent suspension chassis, a motor direct-drive mode and a motor braking energy recovery system; 6. and the in-vehicle guiding screen displays information such as vehicle operation routes.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric motor coach, characterized by comprising a chassis assembly, a coach body (410) arranged on the chassis assembly, a battery protection structure arranged on the top of the coach body (410) and a cab surrounding structure arranged in the coach body (410),

the chassis assembly comprises a chassis (110) and a rear mounting part (140), wherein the chassis (110) is provided with a bottom battery mounting area, a plurality of bottom battery cabins for placing power batteries (120) are arranged in the bottom battery mounting area, the bottom battery cabins are distributed along the length direction of the chassis (110), the number of the bottom battery mounting areas is two, and the two bottom battery mounting areas are arranged at intervals in the length direction of the chassis (110); the bottom of the rear mounting part (140) is connected with the rear end of the bottom frame (110), a plurality of rear battery compartments for placing power batteries (120) are arranged in the rear mounting part (140), and the plurality of rear battery compartments are distributed along the vertical direction;

the battery protection structure comprises a protection cover (210), a cabin door (220) and a top fire extinguishing part (240), wherein a top battery cabin for placing a power battery is arranged in the protection cover (210), and a hatch for taking and placing the power battery is arranged on the protection cover (210); the cabin door (220) is connected with the protective cover (210), and the cabin door (220) is arranged at the cabin opening in an opening and closing way; the top fire extinguishing part (240) is arranged in the top battery compartment, and the top fire extinguishing part (240) is used for spraying fire extinguishing agent to the power battery in the top battery compartment;

the cab surrounding structure comprises a rear surrounding structure (310), a side surrounding structure (320), a driver door structure (330), a first handrail structure (340) and a second handrail structure (350), wherein the rear surrounding structure (310), the side surrounding structure (320) and the driver door structure (330) are used for surrounding a cab in the vehicle body (410), and the second handrail structure (350) is used for being connected with an instrument desk in the vehicle body (410); the driver door structure (330) comprises a door frame (331), a protective door (332) and a door lock (333), wherein one side of the protective door (332) is hinged with the side wall structure (320), the other side of the protective door (332) is arranged on the door frame (331) in an opening and closing mode, and the door lock (333) is used for locking the protective door (332) on the door frame (331) in an opening and closing mode.

2. The [ electric ] motor coach as set forth in claim 1, wherein the battery protection structure further comprises:

the fan (230) is arranged in the top battery compartment, and the fan (230) is used for cooling the power battery in the top battery compartment;

the sensor is arranged in the top battery compartment and is used for detecting the temperature in the top battery compartment;

the fan (230), the sensor and the top fire extinguishing part (240) are all electrically connected with the top controller, and the top controller controls the operation of the fan (230) and the top fire extinguishing part (240) through the detection result of the sensor.

3. The [ electric ] motor coach according to claim 1, wherein the battery protection structure further comprises a lock (250), the lock (250) comprising:

a rotating shaft (251), wherein the rotating shaft (251) is rotatably arranged on the cabin door (220);

the limiting piece (252), the limiting piece (252) is arranged on the rotating shaft (251) to rotate along with the rotating shaft (251), and the limiting piece (252) has an avoiding position and a locking position;

wherein, when the limiting member (252) is in the avoiding position, the limiting member (252) is separated from the protective cover (210); under the condition that the cabin door (220) is at a position for closing the hatch and the limiting piece (252) is at the locking position, the limiting piece (252) is in limiting fit with the protective cover (210) so as to lock the cabin door (220) on the protective cover (210).

4. The [ electric ] motor coach as set forth in claim 1, wherein the battery protection structure further comprises:

the limiting chain (261), one end of the limiting chain (261) is arranged on the protective cover (210);

the lock hook (262) is arranged at the other end of the limiting chain (261);

a locking ring (263) disposed on the door (220), the locking hook (262) being detachably connected to the locking ring (263).

5. The motorized passenger vehicle of claim 1, wherein the chassis assembly further comprises:

a steering system (130) disposed at a front end of the chassis (110);

a front axle system (183) arranged on the chassis (110), wherein the front axle system (183) is connected with the steering system (130) in a matching way;

a rear axle system (184) disposed on the chassis (110), the two bottom battery mounting areas being located between the front axle system (183) and the rear axle system (184).

6. The [ electric ] motor coach as claimed in claim 1, wherein the rear mounting part (140) comprises a rear mounting frame, a rear side plate, a rear end plate and a rear bottom plate, the rear battery compartment is located on the rear mounting frame, the rear end plate is arranged on one side of the rear mounting frame far away from the front end of the underframe (110), the rear side plate is arranged on the side surface of the rear mounting frame, the rear bottom plate is arranged at the bottom end of the rear mounting frame, and the rear side plate, the rear end plate and the rear bottom plate are all provided with a plurality of ventilation holes.

7. The [ electric ] motor coach of claim 1, wherein the cab door structure (330) further comprises a door opening alarm, the door lock (333) comprises a lock body having a locked state in limit-fitting with the door frame (331) to lock the guard door (332) to the door frame (331), an indoor operating portion and an outdoor operating portion, the lock body further having an unlocked state separated from the door frame (331) to unlock the guard door (332), the indoor operating portion being located on a side of the guard door (332) facing the cab, the outdoor operating portion being located on a side of the guard door (332) facing away from the cab, the indoor operating portion and the outdoor operating portion both being for operating the lock body; the door opening alarm is electrically connected with the outdoor operation part, and the door opening alarm sends alarm information under the condition that the lock body is moved to an open state through the outdoor operation part.

8. The motorized passenger car according to claim 7, wherein the guard door (332) comprises:

a first outer frame (334), wherein one side of the first outer frame (334) is hinged with one side of the side wall structure (320), and the door lock (333) is arranged on the first outer frame (334);

the two ends of the first cross beam (335) are respectively connected with the two sides of the first outer frame (334);

a first tempered glass (336) installed at a region between an upper side of the first beam (335) and the first outer frame (334);

a first aluminum-plastic panel (337) mounted in an area between a lower side of the first cross member (335) and the first outer frame (334).

9. The electric motor coach according to claim 1, further comprising an air conditioning system, wherein the air conditioning system comprises an air conditioning unit (420), a first air duct (430) and a second air duct (440), the air conditioning unit (420) is arranged on the top of the coach body (410), the first air duct (430) is connected with the air conditioning unit (420), the first air duct (430) extends along the length direction of the coach body (410), a plurality of first air outlets are distributed on the first air duct (430), the second air duct (440) is vertically arranged, the upper end of the second air duct (440) is connected with the first air duct (430), the lower end of the second air duct (440) is located at the bottom of the coach body (410), and the lower end of the second air duct (440) is provided with a second air outlet.

10. The electric motor coach according to claim 9, wherein the air conditioning system further comprises a door opening and closing structure, at least one part of which is movably disposed at a junction of the first air duct (430) and the second air duct (440) to connect or disconnect the second air duct (440) with or from the first air duct (430); the second wind channel (440) is a plurality of, and is a plurality of second wind channel (440) interval sets up in automobile body (410), the switch door structure is a plurality of, a plurality of switch door structure and a plurality of second wind channel (440) one-to-one set up.