CN108909474B - New forms of energy electric bus - Google Patents
New forms of energy electric bus Download PDFInfo
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- CN108909474B CN108909474B CN201810520181.9A CN201810520181A CN108909474B CN 108909474 B CN108909474 B CN 108909474B CN 201810520181 A CN201810520181 A CN 201810520181A CN 108909474 B CN108909474 B CN 108909474B
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- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The invention discloses a new energy electric bus, which comprises a bus body and a battery pack, wherein the battery pack is arranged on the bus body; the battery assembly comprises a battery shell and a lithium battery; the battery shell is formed with a front wheel mounting seat; a front wheel shaft is connected between the front wheel mounting seats, the front wheel shaft is connected with front wheels, and a front wheel driving motor is mounted in the battery shell; a battery installation bin is formed on the vehicle body; the battery mounting bin is formed with a rack groove and a rack; the front wheel shaft is connected with a gear; a support rod mounting groove is formed in the battery shell; the strut mounting groove is internally connected with a strut and an electric push rod; one end of the supporting rod is connected with a roller; the battery shell is formed with a rear wheel mounting seat; the rear wheel mounting seat is connected with a rear wheel shaft, and the rear wheel shaft is connected with a rear wheel; the battery shell is provided with a rear wheel driving motor; the screw mounting seat is connected with a driving screw; the driving screw is connected with a non-metal transmission sleeve; the non-metal transmission sleeve is connected with the electric connection seat; the electric connection seat is connected with a power transmission electrode; the battery component is convenient and quick to detach and install.
Description
Technical Field
The invention belongs to the field of new energy vehicles, and particularly relates to an electric bus capable of obtaining long endurance capacity by quickly replacing batteries.
Background
The existing chinese patent application with CN106295932A discloses a charging system for batteries of electric vehicles, more specifically, batteries of electric vehicles sold commercially are rented, and a battery rental company sets up a charging station at the same time. However, the above solution does not disclose a specific way of replacing the battery, since the battery for an electric vehicle is generally heavy and too laborious to operate purely manually.
Chinese patent No. CN201825013U discloses an automatic battery replacement system for an electric vehicle, which is disposed in a battery replacement station, and includes a replacement subsystem for replacing a rechargeable battery for the electric vehicle and a charging subsystem for charging the replaced rechargeable battery, wherein the replacement subsystem includes a closed rail, a battery-taking robot, a battery-discharging robot, and a battery rack, wherein the battery-taking robot is movably disposed on the closed rail for taking out the rechargeable battery from the electric vehicle parked at a first predetermined position along the closed rail; the battery placing robot is movably arranged on the closed track and used for placing the charged rechargeable battery into the electric automobile; and the battery rack is arranged along a second preset position of the closed track and is used for placing the charged rechargeable battery and the replaced rechargeable battery. Use above-mentioned utility model's technical scheme, improved the efficiency that the battery was changed, solved among the prior art problem that the efficiency was changed to the battery on the low side.
In the above scheme, a scheme for automatically replacing the battery by using a robot is provided, but a corresponding automatic charging station is required, dense coverage of charging stations is difficult to achieve in a short time, and if the battery is increased to ensure long endurance, the load during vehicle operation is increased (especially when the number of passengers is small).
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects existing in the prior art, the new energy electric bus with the convenient battery replacement and the convenient battery movement is provided.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: the utility model provides an electronic bus of new forms of energy, including the automobile body, its characterized in that: the rear end of the vehicle body is detachably provided with a battery assembly;
the battery assembly comprises a battery shell and a lithium battery arranged in the battery shell; a pair of front wheel mounting seats are symmetrically formed on two sides of the lower part of the front end of the battery shell; a front wheel shaft is rotatably connected between the two front wheel mounting seats, the positions of the front wheel shaft, which are close to the two end parts, are respectively connected with two front wheels through front ratchet wheel assemblies, and the peripheries of the front wheels exceed the lower end surface and the front end surface of the battery shell; a front wheel driving motor for driving the front wheel shaft to rotate is fixedly arranged in the battery shell;
a battery installation bin which is longitudinally arranged is formed at the rear end of the vehicle body; rack grooves which are longitudinally arranged are symmetrically formed in the inner walls of the two sides of the battery installation bin, and racks are formed in one side, close to the rear end of the vehicle body, of each rack groove; two ends of the front wheel shaft are fixedly connected with gears which can be in meshed transmission connection with the racks; the inner wall surface of the battery installation bin opposite to the rack is a front wheel guide surface which can be in rolling connection or sliding connection with a front wheel;
a pair of support rod mounting grooves which are symmetrically distributed left and right are formed in the middle lower parts of the outer walls of the left side and the right side of the battery shell; a support rod is connected in the support rod mounting groove; a support rod connecting shaft which is rotatably connected with one end of the support rod is formed on one side of the support rod mounting groove, which is far away from the front wheel; the other end of the supporting rod is rotatably connected with a roller; the middle part of the supporting rod is rotatably connected with an electric push rod; a push rod connecting shaft which is rotatably connected with the electric push rod is formed on one side of the supporting rod mounting groove, which is close to the front wheel;
a pair of rear wheel mounting seats are formed on two sides of the rear lower end of the battery shell; a rear wheel shaft is rotatably connected between the two rear wheel mounting seats, and two rear wheels are respectively connected to the two end parts of the rear wheel shaft through rear ratchet wheel assemblies; a rear wheel driving motor for driving the rear wheel shaft to rotate is fixedly arranged in the battery shell;
a screw mounting seat is formed at the bottom in the battery shell in front of the middle part of the rear wheel shaft;
the screw mounting seat is rotatably connected with a driving screw in transmission connection with the rear driving motor; both ends of the driving screw are in threaded connection with non-metal transmission sleeves; the thread directions of the two ends of the driving screw rod are opposite; an internal thread in threaded transmission connection with the driving screw is formed on the inner wall of the non-metal transmission sleeve only at one end close to the screw mounting seat; a sliding groove in sliding connection with the non-metal transmission sleeve is formed at the bottom in the battery shell; a spring is sleeved between the non-metal transmission sleeve and the screw mounting seat of the driving screw; one end of the non-metal transmission sleeve, which is far away from the internal thread, is fixedly connected with an electric connection seat; one end of the power connection seat, which is far away from the non-metal transmission sleeve, is fixedly connected with a power transmission electrode, and an elastic insulating sleeve fixedly connected with the power connection seat is sleeved outside the power transmission electrode;
an insulating sleeve for the transmission electrode to penetrate out is fixedly arranged on the side wall of the battery shell corresponding to the position of the transmission electrode, and the outer end of the elastic insulating sleeve is abutted against the insulating sleeve;
a press switch is arranged on the inner wall of the battery shell and positioned at the upper end of the insulating sleeve; positioning power transmission sockets inserted with the output electrodes are installed on two sides of the battery installation bin;
the battery shell is internally provided with a battery controller, the lithium battery and the press switch are respectively and electrically connected with the input end of the battery controller, and the front wheel driving motor, the rear wheel driving motor, the electric push rod and the electric connecting seat are respectively and electrically connected with the battery controller;
the vehicle body is internally provided with a vehicle control unit, and the positioning power transmission socket is electrically connected with the vehicle control unit.
As a preferable scheme: the upper end of the battery shell is connected with a shell cover plate; and a plastic isolation plate is connected to the inside of the battery shell above the output electrode.
As a preferable scheme: : the shaping of battery installation storehouse lower extreme both sides has the dress mouth with rack groove intercommunication, the rack extends to the outer end of dress mouth.
As an optimization scheme: a radiator installation bin is formed at the rear end of the battery shell; and a radiator is arranged in the radiator mounting bin.
As an optimization scheme: the remote controller is used for controlling the front wheel driving motor, the rear wheel driving motor and the electric push rod to act, and the remote controller is electrically connected with the battery controller through wireless communication.
Compared with the prior art, the invention has the beneficial effects that: when the battery component is installed in a battery installation bin on a vehicle body, the remote controller is operated to move the battery component, so that the front wheel is positioned right below an installation opening, the electric push rod is controlled to extend, the front end of the battery component rises until the gear is meshed with the rack, then the front wheel is controlled to drive the motor to rotate, the front wheel shaft drives the gear to rotate clockwise, the front ratchet wheel component is arranged between the front wheel shaft and the front wheel, when the front wheel shaft rotates clockwise, the front wheel can roll anticlockwise along the guide surface of the front wheel, the gear is matched with the rack, the gear moves upwards along the rack groove, and the battery component is driven to move upwards.
After the gear rises stably, the electric push rod is controlled to be shortened, so that the electric push rod and the support rod are completely contracted into the support rod mounting groove;
after a battery assembly completely enters a battery installation bin, the front wheel driving motor stops rotating, the rear wheel driving motor is controlled to rotate anticlockwise, the driving screw rod is driven to rotate anticlockwise, an internal thread is arranged in the nonmetal transmission sleeve, a spring is sleeved on the driving screw rod and pushes the nonmetal transmission sleeve, the internal thread is in contact with an external thread on the driving screw rod, the driving screw rod rotates anticlockwise, the nonmetal transmission sleeve moves outwards along the sliding groove, a power transmission electrode is inserted into the positioning power transmission socket, so that the battery assembly is fixed in the battery installation bin, meanwhile, the power transmission electrode is electrically connected with the positioning power transmission socket, a press switch is pressed until the power connection socket, the rear wheel driving motor stops rotating, meanwhile, the battery controller controls the power connection socket to be powered.
The front wheel driving motor is used for driving the front wheel to rotate anticlockwise to drive the battery assembly to move leftwards, and can also control the gear to rotate clockwise to achieve the purpose of installing the battery assembly into the battery installation bin. The rear wheel driving motor is used for driving the rear wheel to rotate clockwise to drive the battery assembly to move rightwards, and can also drive the power transmission electrode to extend outwards to be electrically connected with the positioning power transmission socket, and meanwhile, the power transmission electrode serves as a plug pin to fix the battery assembly in the battery installation bin.
The rear wheel driving motor is also used for driving the rear wheel shaft to rotate, and the rear wheel can rotate freely when the rear wheel shaft rotates anticlockwise due to the rear ratchet wheel assembly arranged between the rear wheel shaft and the rear wheel, and the rear wheel rotates clockwise when the rear wheel shaft rotates clockwise.
When the battery assembly is taken out of the battery installation bin on the vehicle body, the electric push rod is firstly controlled to extend, the battery assembly inclines backwards and inclines by an angle, the rear wheel driving motor drives the driving screw rod and the rear wheel shaft to rotate clockwise, the driving screw rod rotates clockwise, the non-metal transmission sleeve moves inwards, the driving screw rod continuously rotates, and after the non-metal transmission sleeve moves to the inner limit, the non-metal transmission sleeve is separated from the external thread on the driving screw rod but keeps propping against the internal thread because the internal thread is only arranged at the internal end part of the inner wall of the non-metal transmission sleeve, and the non-metal transmission sleeve cannot move inwards any more; and meanwhile, the rear wheel shaft drives the rear wheel to rotate clockwise.
When the battery component moves downwards stably, the electric push rod and the support rod are controlled to be completely retracted into the support rod mounting groove;
and when the battery component is completely moved out of the battery installation bin of the vehicle body, the switch of the rear wheel drive motor is pressed, the rear wheel drive motor stops working, and the battery removal is completed.
Drawings
Fig. 1 is a schematic view showing the completion of the installation of the battery pack of the present invention.
Fig. 2 is a schematic view of the battery pack mounting process of the present invention.
Fig. 3 is a schematic view of the lower end structure of the battery installation bin of the invention.
Fig. 4 is a schematic structural view of the battery module support bar of the present invention when retracted.
Fig. 5 is a schematic view showing the structure of the battery module support bar according to the present invention when it is elongated.
Fig. 6 is a schematic view of an exploded structure of the battery pack of the present invention.
Fig. 7 is a schematic view of the rear wheel and power transmission electrode structure of the present invention.
Fig. 8 is a schematic view of the battery case structure of the present invention.
Fig. 9 is a connection block diagram of each electrical component in the battery cell.
Fig. 10 is a connection block diagram of the cooling pump, the radiator, and the heat collecting circuit.
Fig. 11 is a schematic view of the structure of the heat sink.
Fig. 12 and 13 are schematic exploded structural views of the heat sink.
Fig. 14 is a schematic view of the structure of the cooling pump.
Fig. 15 is a schematic sectional structure view of the cooling pump.
Fig. 16 and 17 are schematic exploded structural views of the cooling pump.
Fig. 18 is a schematic structural view of the second water wheel.
P, a vehicle body; 1. a battery installation bin; 11. a rack slot; 12. loading into an opening; 13. a rack; 14. a front wheel guide surface; 15. positioning a power transmission socket; t, a battery pack; 2. a battery case; 201. a front wheel mounting base; 202. a rear wheel mounting base; 203. a strut mounting groove; 2031. the support rod is connected with the shaft; 2032. the push rod is connected with the shaft; 204. a screw mounting seat; 205. a radiator installation bin; 206. a chute; 21. a housing cover plate; 22. an insulating sleeve; 23. a push switch; 24. a plastic separator plate; 3. a front wheel; 31. a gear; 32. a front wheel axle; 33. a front wheel drive motor; 34. a front ratchet assembly; 4. a rear wheel; 41. a rear wheel axle; 42. a rear wheel drive motor; 43. a rear ratchet assembly; 5. a power transmission electrode; 501. an electric connection seat; 502. a non-metallic drive sleeve; 503. a spring; 51. an elastic insulating sleeve; 52. a drive screw; 6. a strut; 61. an electric push rod; 62. a roller; 8. a heat sink; 81. a centrifugal fan blade; 811. a linkage rod; 82. a heat dissipation plate; 821. a heat sink; 822. a fan blade mounting cavity; 83. a heat dissipation base; 831. a heat dissipation channel; 832. a liquid inlet joint a; 833. a liquid outlet joint a; 834. a drive plate mounting cavity; 84. a water wheel seat; 841. a water wheel mounting cavity; 842. a water wheel positioning shaft; 843. a water inlet channel; 844. a water outlet channel; 845. a liquid inlet joint b; 846. a liquid outlet joint b; 85. a drive disc; 86. a sealing cover; 87. a water wheel; 9. a cooling pump; 91. a cooling pump motor; 911. a cover plate; 92. a first pump casing; 921. a first water inlet joint; 922. a first water outlet joint; 923. a pump chamber partition plate; 92a, a water outlet pump chamber; 92b, a water inlet pump chamber; 93. a partition plate; 931. positioning the convex ring; 94. a second pump casing; 941. a second water inlet joint; 942. a second water outlet joint; 943; rotating the rod; 95. a first water wheel; 951. a transmission rod; 952. a permanent magnet a; 96. a transmission sleeve; 961. a transmission insertion sheet; 962. an axial flow blade; 963. a permanent magnet b; 97. a second water wheel; 971. a centering collar; 972. and a transmission jack.
Detailed Description
Example 1
According to fig. 1 to 9, the new energy electric bus of the embodiment includes a bus body, and is characterized in that: the rear end of the vehicle body is detachably provided with a battery pack.
The battery assembly comprises a battery shell 2 and a lithium battery arranged in the battery shell; a pair of front wheel mounting seats 201 are symmetrically formed on two sides of the lower part of the front end of the battery shell; a front wheel shaft is rotatably connected between the two front wheel mounting seats, the positions of the front wheel shaft, which are close to the two end parts, are respectively connected with two front wheels through front ratchet wheel assemblies, and the peripheries of the front wheels exceed the lower end surface and the front end surface of the battery shell; and a front wheel driving motor for driving the front wheel shaft to rotate is fixedly arranged in the battery shell, and the front wheel driving motor is connected with the front wheel shaft through a worm gear.
A battery installation bin 1 which is longitudinally arranged is formed at the rear end of the vehicle body; rack grooves which are longitudinally arranged are symmetrically formed in the inner walls of the two sides of the battery installation bin, and racks are formed in one side, close to the rear end of the vehicle body, of each rack groove; two ends of the front wheel shaft are fixedly connected with gears 31 which can be meshed with the racks in a transmission way; the inner wall surface of the battery installation bin opposite to the rack is a front wheel guide surface 14 which can be in rolling connection or sliding connection with a front wheel.
A pair of support rod mounting grooves 203 which are symmetrically distributed left and right are formed in the middle lower parts of the outer walls of the left side and the right side of the battery shell; a support rod 6 is connected in the support rod mounting groove; a strut connecting shaft 2031 which is rotationally connected with one end of the strut is formed on one side of the strut mounting groove, which is far away from the front wheel; the other end of the supporting rod is rotatably connected with a roller 62; the middle part of the supporting rod is rotatably connected with an electric push rod 61; and a push rod connecting shaft 2032 rotationally connected with the electric push rod is formed on one side of the support rod mounting groove close to the front wheel.
A pair of rear wheel mounting seats 202 are formed on two sides of the rear lower end of the battery shell; a rear wheel shaft is rotatably connected between the two rear wheel mounting seats, and two rear wheels are respectively connected to the two end parts of the rear wheel shaft through rear ratchet wheel assemblies; and a rear wheel driving motor for driving the rear wheel shaft to rotate is fixedly arranged in the battery shell.
A screw mounting seat 204 is formed at the bottom in the battery shell and positioned in front of the middle part of the rear wheel shaft;
the screw mounting seat is rotatably connected with a driving screw 52 in transmission connection with the rear driving motor; both ends of the driving screw are in threaded connection with a non-metal transmission sleeve 502; the thread directions of the two ends of the driving screw rod are opposite; an internal thread in threaded transmission connection with the driving screw is formed on the inner wall of the non-metal transmission sleeve only at one end close to the screw mounting seat; a sliding groove 206 which is connected with the nonmetal transmission sleeve in a sliding way is formed at the bottom in the battery shell; a spring 503 is sleeved between the non-metal transmission sleeve and the screw mounting seat of the driving screw; one end of the non-metal transmission sleeve, which is far away from the internal thread, is fixedly connected with an electric connection seat 501; one end of the power connection seat, which is far away from the non-metal transmission sleeve, is fixedly connected with a power transmission electrode 5, and an elastic insulating sleeve 51 fixedly connected with the power connection seat is sleeved outside the power transmission electrode; and the rear wheel driving motor is in transmission connection with the driving screw rod and the rear wheel shaft through a worm gear.
The side wall of the battery shell is fixedly provided with an insulating sleeve 22 for the transmission electrode to penetrate out, and the outer end of the elastic insulating sleeve 51 is abutted against the insulating sleeve.
A press switch 23 is arranged on the inner wall of the battery shell and positioned at the upper end of the insulating sleeve; and positioning power transmission sockets 15 which are inserted with the output electrodes are arranged on two sides of the battery mounting bin.
Still install battery controller in the battery case, lithium cell, press the switch and be connected with battery controller's input electricity respectively, front wheel driving motor, rear wheel driving motor, electric putter and electrical connection seat are connected with battery controller electricity respectively.
The battery controller is a single chip microcomputer or a PLC, and the operation of controlling the motor, the electric push rod and the like by the battery controller through a press switch or a command of a remote controller is a conventional technical means in the field, and the description is not provided herein.
The vehicle body is internally provided with a vehicle control unit, and the positioning power transmission socket is electrically connected with the vehicle control unit.
When the battery component T is installed in the battery installation bin 1 on the vehicle body P, the remote controller is operated to move the battery component, so that the front wheel 3 is positioned right below the installation opening 12, the electric push rod is controlled to extend, the front end of the battery component rises until the gear is meshed with the rack, then the front wheel driving motor 33 is controlled to rotate, the front wheel shaft drives the gear 31 to rotate clockwise, the front ratchet wheel component 34 is arranged between the front wheel shaft and the front wheel 3, when the front wheel shaft rotates clockwise, the front wheel can roll anticlockwise along the front wheel guide surface 14, the gear is matched with the rack 13, the gear moves upwards along the rack groove 11, and therefore the battery component is driven to move upwards.
When the gear rises stably, the electric push rod is controlled to be shortened, so that the electric push rod and the support rod are completely contracted into the support rod mounting groove.
When the battery assembly completely enters the battery installation bin, the front wheel driving motor stops rotating, the rear wheel driving motor is controlled to rotate anticlockwise, the driving screw 52 is driven to rotate anticlockwise, an internal thread is arranged in the non-metal transmission sleeve 502, the spring 503 is sleeved on the driving screw, the spring pushes the non-metal transmission sleeve to enable the internal thread to be in contact with the external thread on the driving screw, the driving screw rotates anticlockwise, the non-metal transmission sleeve moves outwards along the sliding groove 206, the power transmission electrode 5 is inserted into the positioning power transmission socket 15 to enable the battery assembly to be fixed in the battery installation bin, meanwhile, the power transmission electrode is electrically connected with the positioning power transmission socket until the power connection socket 501 presses the press switch 23, the rear wheel driving motor stops rotating, meanwhile, the battery controller controls the power connection socket.
The front wheel driving motor is used for driving the front wheel to rotate anticlockwise to drive the battery assembly to move leftwards, and can also control the gear to rotate clockwise to achieve the purpose of installing the battery assembly into the battery installation bin. The rear wheel driving motor is used for driving the rear wheel to rotate clockwise to drive the battery assembly to move rightwards, and can also drive the power transmission electrode to extend outwards to be electrically connected with the positioning power transmission socket, and meanwhile, the power transmission electrode serves as a plug pin to fix the battery assembly in the battery installation bin.
The rear wheel drive motor is also used for driving the rear wheel shaft to rotate, and the rear ratchet wheel assembly 43 is arranged between the rear wheel shaft and the rear wheel 4, so that the rear wheel can rotate freely when the rear wheel shaft rotates anticlockwise, and the rear wheel rotates clockwise when the rear wheel shaft rotates clockwise.
When the battery component T is taken out from the battery installation bin 1 on the vehicle body P, firstly, the electric push rod is controlled to extend, so that the battery component inclines backwards and inclines by an angle, the rear wheel driving motor drives the driving screw rod 52 and the rear wheel shaft 41 to rotate clockwise, the driving screw rod rotates clockwise, the non-metal transmission sleeve moves inwards, the driving screw rod continuously rotates, after the non-metal transmission sleeve moves to the inner limit, the non-metal transmission sleeve is separated from but keeps against the external thread on the driving screw rod due to the fact that the internal thread is arranged at the inner end part of the inner wall of the non-metal transmission sleeve, and the non-metal transmission sleeve cannot move inwards any more; and meanwhile, the rear wheel shaft drives the rear wheel to rotate clockwise.
When the battery assembly moves downwards stably, the electric push rod 61 and the support rod are controlled to be completely retracted into the support rod mounting groove 203.
And when the battery component is completely moved out of the battery installation bin of the vehicle body, the switch of the rear wheel drive motor is pressed, the rear wheel drive motor stops working, and the battery removal is completed.
Example 2
The present embodiment is modified from embodiment 1 as follows: the upper end of the battery shell is connected with a shell cover plate 21; a plastic separator 24 is attached to the interior of the cell housing above the output electrode.
Example 3
The present embodiment is modified from embodiment 1 as follows: and the two sides of the lower end of the battery installation bin are provided with an installation opening 12 communicated with the rack groove, and the rack extends to the outer end of the installation opening.
Example 4
The present embodiment is modified from embodiment 1 as follows: a radiator mounting bin 205 is formed at the rear end of the battery shell; and a radiator 8 is arranged in the radiator mounting bin.
Example 5
The present embodiment is modified from embodiment 1 as follows: the remote controller is used for controlling the front wheel driving motor, the rear wheel driving motor and the electric push rod to act, and the remote controller is electrically connected with the battery controller through wireless communication.
Example 6
As shown in fig. 9 to 18, the present embodiment is modified from embodiments 1 and 4 as follows: the battery pack is connected with a cooling assembly, and the cooling assembly comprises a heat collecting pipeline, a radiator and a cooling pump, wherein the heat collecting pipeline is installed in a battery shell and used for absorbing heat emitted by the lithium battery, the radiator is installed on the side face of the battery pack, and the cooling pump is used for driving cooling liquid to circularly flow between the heat collecting pipeline and the radiator.
A radiator mounting cavity 25 is formed at the rear end of the battery case, and the cooling pump and the radiator are mounted in the radiator mounting cavity.
The radiator comprises a radiating plate 82, a radiating seat 83 and a water wheel seat 84 which are sequentially connected in a sealing way; the heat dissipation seat is provided with a heat dissipation channel 831 on the end face facing the heat dissipation plate, the heat dissipation channel is integrally in a serpentine pipe shape which is in circuitous arrangement and is shown in the figure, the side face of the heat dissipation seat is connected with a liquid inlet joint a832 and a liquid outlet joint a833, and the liquid inlet joint a and the liquid outlet joint a are respectively communicated with two ends of the heat dissipation channel.
The outer end face of the heat dissipation plate is uniformly formed with cooling fins 821, a circular groove-shaped fan blade mounting cavity 822 is formed in the middle of each cooling fin, and a centrifugal fan blade 81 is rotatably mounted in the fan blade mounting cavity.
A driving disc installation cavity 834 is formed in the end face, facing the water wheel seat, of the heat dissipation seat, a driving disc 85 is rotatably installed in the driving disc installation cavity, the centrifugal fan blade is coaxially and fixedly connected with the driving disc through a linkage rod, and the linkage rod penetrates through the heat dissipation plate and the heat dissipation seat; the end face of the heat dissipation seat facing the water wheel seat is connected with a sealing cover 86 made of aluminum alloy materials in a sealing mode.
The end face, facing the heat dissipation seat, of the water wheel seat is provided with a water wheel installation cavity 841 in a circular groove shape, and a water wheel 87 which drives a driving disc to rotate through magnetic force and further drives a centrifugal fan blade to rotate is rotatably installed in the water wheel installation cavity.
The interior bottom of water wheel installation cavity is connected with a water wheel locating shaft 842 of being connected with the water wheel rotation, along circumference equidistance fixed mounting has a plurality of permanent magnet a on the water wheel, the permanent magnet b that absorbs mutually with permanent magnet a is installed to the position that corresponds each permanent magnet a on the driving-disc.
The middle of the water wheel is provided with a disk body provided with a permanent magnet a, and the periphery of the disk body is uniformly connected with a plurality of water wheel blades.
The end face, facing the heat dissipation seat, of the water wheel seat is provided with a water inlet channel 843 and a water outlet channel 844 which are communicated with the water wheel installation cavity in a forming mode, and the water inlet channel 843, the water wheel installation cavity and the water outlet channel 844 form a water wheel driving channel together. A necking part which is beneficial to increasing the flow speed of liquid is formed at the joint of the water inlet channel and the water wheel mounting cavity; the side of the water wheel seat is respectively connected with a liquid inlet joint b845 communicated with the water inlet channel and a liquid outlet joint b846 communicated with the water outlet channel.
The cooling pump comprises a first pump shell 92, a first water wheel 95 rotatably mounted in the first pump shell, a second pump shell 94 coaxially connected with the first pump shell, a second water wheel 97 rotatably mounted in the second pump shell, and a cooling pump motor 91 connected to one end of the first pump shell far away from the second pump shell and used for driving the first water wheel to rotate.
The first pump shell comprises a water outlet pump chamber 82a for mounting the first water wheel and a water inlet pump chamber 92b connected to one end of the water outlet pump chamber, which is far away from the motor of the cooling pump, and a pump chamber partition 923 with a liquid passing port in the middle is arranged between the water inlet pump chamber and the water outlet pump chamber; the end part of the cooling pump motor, which is provided with the output shaft, is connected with a cover plate 911, and the cover plate is hermetically connected with a water outlet pump chamber; go out water pump room lateral wall body coupling has first water connectors 922, intake pump room lateral wall body coupling has first water connectors 921.
The first water outlet connector is connected with one end of the heat collecting pipeline through a pipeline, the other end of the heat collecting pipeline is connected with the liquid inlet connector a through a pipeline, and the liquid outlet connector a is connected with the first water inlet connector through a pipeline. The first pump shell, the first water wheel and the cooling pump motor form a heat dissipation pump part.
A partition plate 93 for separating the second pump shell from the water inlet pump chamber is hermetically connected between the second pump shell and the water inlet pump chamber; the terminal surface an organic whole that the baffle was kept away from to the second pump case is connected with second water supply connector 941, second pump case lateral wall an organic whole is connected with second water connectors 942.
The second water outlet joint is connected with the liquid inlet joint b through a pipeline, and the liquid outlet joint b is connected with the second water inlet joint through a pipeline. And the second pump shell, the second water wheel, the transmission rod and the memory alloy spring form a water wheel driving pump part. It should be noted that the heat dissipation pump portion and the water wheel driving pump portion are only for convenience of describing the functions of the cooling assembly, and in fact, the memory alloy spring is matched with the transmission rod to play a role in transmission, and the final power source is still the cooling pump motor.
The middle of the second water inlet joint is connected with a rotating rod 943 which is rotatably connected with one end of a second water wheel through a bracket; a rotating hole which is in rotating fit connection with the rotating rod is formed at one end of the second water wheel, a centering sleeve ring 971 is formed at the other end of the second water wheel, and a positioning convex ring 931 which is in rotating insertion connection with the centering sleeve ring is formed on the end face, facing the second water wheel, of the partition plate; a straight or cross-shaped transmission jack is formed in the middle of the centering lantern ring on the second water wheel.
First water wheels one end and the output shaft fixed connection of cooling pump motor, the other end an organic whole of first water wheels is connected with a polygonal shaft-like transfer line 951, the transfer line outer slip cover is equipped with a transmission cover 96, the shaping of transmission cover tip has with can with the second water wheels on the transmission jack cooperation grafting drive inserted sheet 961.
The end part of the transmission rod is fixedly connected with a permanent magnet a952, and the inner bottom of the transmission sleeve is fixedly connected with a permanent magnet b963 tightly attracted with the permanent magnet a through magnetic force.
The outer wall of the transmission sleeve is integrally connected with an axial flow blade 962, when the cooling pump motor drives the transmission sleeve to rotate clockwise at a first set rotating speed through a first water wheel, the axial flow blade generates a driving force towards the direction of the water outlet pump chamber for liquid in the water inlet pump chamber, and the liquid generates a reaction force for the axial flow blade to enable the transmission insertion sheet to be matched and inserted with the transmission insertion hole; the reaction force of the liquid to the axial flow blades is greater than the magnetic force between the permanent magnets a and b.
When the cooling pump motor drives the transmission sleeve to rotate clockwise at a set rotating speed with the second through the first water wheel, the reaction force of the liquid to the axial flow blade is smaller than the magnetic force between the permanent magnet a and the permanent magnet b, the transmission insertion sheet is separated from the transmission insertion hole, and the second water wheel does not rotate.
The first set rotational speed is greater than the second set rotational speed.
The working principle of the cooling assembly is that a temperature sensor is installed in the battery assembly, the temperature sensor is electrically connected with the signal input end of the battery controller, and the cooling pump motor of the cooling pump is electrically connected with the output end of the battery controller. When the temperature in the battery pack is low, the motor of the cooling pump rotates at a second set rotating speed, in this state, the transmission sleeve and the transmission rod are tightly attracted together through the permanent magnet a and the permanent magnet b, the transmission insertion piece of the transmission sleeve is separated from the transmission insertion hole, and at the moment, the second water wheel does not rotate. At the moment, only the heat dissipation pump part of the cooling pump is in a working state, cooling liquid flows to the radiator after absorbing heat in the heat collection pipeline, is pumped into the heat dissipation pump part after the radiator is passively cooled, and then flows back to the heat collection pipeline again, so that circulation is realized.
When temperature sensor detects that the temperature in the battery pack rises to exceeding the set value, the cooling pump motor rotates with first settlement rotational speed, the axial compressor blade of driving sleeve outer wall produces the drive power towards the pump chamber direction of going out of water to the liquid in the pump chamber of intaking, liquid produces the counter force increase to being greater than the magnetic force between permanent magnet a and the permanent magnet b to the axial compressor blade, makes permanent magnet a and permanent magnet b break away from to make transmission inserted sheet and transmission jack cooperation peg graft, the second water wheels gets into operating condition. Namely, the water wheel driving pump part is in a working state. At the moment, the water wheel driving pump part and the water wheel driving channel form a closed loop, the second water wheel drives the cooling liquid to flow so as to drive the water wheel to rotate, and the rotation of the water wheel drives the centrifugal fan blades to rotate, so that the radiator is in an active radiating state, and the radiating speed of the radiator is accelerated.
In conclusion, the cooling assembly can realize two working modes of passive heat dissipation or active heat dissipation of the radiator only through one cooling pump, only one cooling pump motor needs to be driven, a complex control circuit is not needed, the system stability is high, and the maintenance-free time is long.
It should be noted that, a through hole for the transmission sleeve to pass through is arranged in the middle of the partition plate, no sealing is needed between the transmission sleeve and the partition plate, and transformer oil can be used as cooling liquid in the water wheel driving pump part and the heat dissipation pump part at the same time.
Claims (5)
1. The utility model provides an electronic bus of new forms of energy, including the automobile body, its characterized in that: the rear end of the vehicle body is detachably provided with a battery assembly;
the battery assembly comprises a battery shell and a lithium battery arranged in the battery shell; a pair of front wheel mounting seats are symmetrically formed on two sides of the lower part of the front end of the battery shell; a front wheel shaft is rotatably connected between the two front wheel mounting seats, the positions of the front wheel shaft, which are close to the two end parts, are respectively connected with two front wheels through front ratchet wheel assemblies, and the peripheries of the front wheels exceed the lower end surface and the front end surface of the battery shell; a front wheel driving motor for driving the front wheel shaft to rotate is fixedly arranged in the battery shell;
a battery installation bin which is longitudinally arranged is formed at the rear end of the vehicle body; rack grooves which are longitudinally arranged are symmetrically formed in the inner walls of the two sides of the battery installation bin, and racks are formed in one side, close to the rear end of the vehicle body, of each rack groove; two ends of the front wheel shaft are fixedly connected with gears which can be in meshed transmission connection with the racks; the inner wall surface of the battery installation bin opposite to the rack is a front wheel guide surface which can be in rolling connection or sliding connection with a front wheel;
a pair of support rod mounting grooves which are symmetrically distributed left and right are formed in the middle lower parts of the outer walls of the left side and the right side of the battery shell; a support rod is connected in the support rod mounting groove; a support rod connecting shaft which is rotatably connected with one end of the support rod is formed on one side of the support rod mounting groove, which is far away from the front wheel; the other end of the supporting rod is rotatably connected with a roller; the middle part of the supporting rod is rotatably connected with an electric push rod; a push rod connecting shaft which is rotatably connected with the electric push rod is formed on one side of the supporting rod mounting groove, which is close to the front wheel;
a pair of rear wheel mounting seats are formed on two sides of the rear lower end of the battery shell; a rear wheel shaft is rotatably connected between the two rear wheel mounting seats, and two rear wheels are respectively connected to the two end parts of the rear wheel shaft through rear ratchet wheel assemblies; a rear wheel driving motor for driving the rear wheel shaft to rotate is fixedly arranged in the battery shell;
a screw mounting seat is formed at the bottom in the battery shell in front of the middle part of the rear wheel shaft;
the screw mounting seat is rotationally connected with a driving screw which is in transmission connection with the rear wheel driving motor; both ends of the driving screw are in threaded connection with non-metal transmission sleeves; the thread directions of the two ends of the driving screw rod are opposite; an internal thread in threaded transmission connection with the driving screw is formed on the inner wall of the non-metal transmission sleeve only at one end close to the screw mounting seat; a sliding groove in sliding connection with the non-metal transmission sleeve is formed at the bottom in the battery shell; a spring is sleeved between the non-metal transmission sleeve and the screw mounting seat of the driving screw; one end of the non-metal transmission sleeve, which is far away from the internal thread, is fixedly connected with an electric connection seat; one end of the power connection seat, which is far away from the non-metal transmission sleeve, is fixedly connected with a power transmission electrode, and an elastic insulating sleeve fixedly connected with the power connection seat is sleeved outside the power transmission electrode;
an insulating sleeve for the transmission electrode to penetrate out is fixedly arranged on the side wall of the battery shell corresponding to the position of the transmission electrode, and the outer end of the elastic insulating sleeve is abutted against the insulating sleeve;
a press switch is arranged on the inner wall of the battery shell and positioned at the upper end of the insulating sleeve; positioning power transmission sockets inserted with the power transmission electrodes are installed on two sides of the battery installation bin;
the battery shell is internally provided with a battery controller, the lithium battery and the press switch are respectively and electrically connected with the input end of the battery controller, and the front wheel driving motor, the rear wheel driving motor, the electric push rod and the electric connecting seat are respectively and electrically connected with the battery controller;
the vehicle body is internally provided with a vehicle control unit, and the positioning power transmission socket is electrically connected with the vehicle control unit;
the battery assembly is connected with a cooling assembly, and the cooling assembly comprises a heat collecting pipeline which is arranged in a battery shell and used for absorbing heat emitted by the lithium battery, a radiator which is arranged on the side surface of the battery assembly, and a cooling pump which is used for driving cooling liquid to circularly flow between the heat collecting pipeline and the radiator;
a radiator mounting cavity is formed at the rear end of the battery shell, and the cooling pump and the radiator are mounted in the radiator mounting cavity;
the radiator comprises a radiating plate, a radiating seat and a water wheel seat which are sequentially connected in a sealing manner; the end face, facing the heat dissipation plate, of the heat dissipation seat is provided with a heat dissipation channel, the heat dissipation channel is integrally in a serpentine shape in a circuitous arrangement, the side face of the heat dissipation seat is connected with a liquid inlet joint a and a liquid outlet joint a, and the liquid inlet joint a and the liquid outlet joint a are respectively communicated with two ends of the heat dissipation channel;
the outer end face of the heat dissipation plate is uniformly provided with heat dissipation fins, a circular groove-shaped fan blade mounting cavity is formed in the middle of each heat dissipation fin, and a centrifugal fan blade is rotatably mounted in the fan blade mounting cavity;
a driving disc installation cavity is formed in the end face, facing the water wheel seat, of the heat dissipation seat, a driving disc is rotatably installed in the driving disc installation cavity, the centrifugal fan blade is coaxially and fixedly connected with the driving disc through a linkage rod, and the linkage rod penetrates through the heat dissipation plate and the heat dissipation seat; the end face, facing the water wheel seat, of the heat dissipation seat is connected with a sealing cover made of an aluminum alloy material in a sealing mode;
a circular groove-shaped water wheel installation cavity is formed in the end face, facing the heat dissipation seat, of the water wheel seat, and a water wheel which drives the driving disc to rotate through magnetic force and further drives the centrifugal fan blades to rotate is rotatably installed in the water wheel installation cavity;
the inner bottom of the water wheel installation cavity is connected with a water wheel positioning shaft which is rotationally connected with the water wheel, a plurality of permanent magnets a are fixedly installed on the water wheel at equal intervals along the circumferential direction, and permanent magnets b which are attracted with the permanent magnets a are installed on the driving disc corresponding to the positions of the permanent magnets a;
the middle of the water wheel is provided with a disk body provided with a permanent magnet a, and the periphery of the disk body is uniformly connected with a plurality of water wheel blades; a water inlet channel and a water outlet channel which are communicated with the water wheel mounting cavity are formed on the end surface of the water wheel seat facing the heat dissipation seat, and the water inlet channel, the water wheel mounting cavity and the water outlet channel form a water wheel driving channel together; a necking part which is beneficial to increasing the flow speed of liquid is formed at the joint of the water inlet channel and the water wheel mounting cavity; the side surface of the water wheel seat is respectively connected with a liquid inlet joint b communicated with the water inlet channel and a liquid outlet joint b communicated with the water outlet channel;
the cooling pump comprises a first pump shell, a first water wheel rotatably arranged in the first pump shell, a second pump shell coaxially connected with the first pump shell, a second water wheel rotatably arranged in the second pump shell, and a cooling pump motor connected to one end of the first pump shell far away from the second pump shell and used for driving the first water wheel to rotate;
the first pump shell comprises a water outlet pump chamber for mounting the first water wheel and a water inlet pump chamber connected to one end of the water outlet pump chamber, which is far away from the motor of the cooling pump, and a pump chamber partition plate with a liquid through opening in the middle is arranged between the water inlet pump chamber and the water outlet pump chamber; the end part of the cooling pump motor, which is provided with one end of the output shaft, is connected with a cover plate, and the cover plate is hermetically connected with a water outlet pump chamber; the side wall of the water outlet pump chamber is integrally connected with a first water outlet joint, and the side wall of the water inlet pump chamber is integrally connected with a first water inlet joint;
the first water outlet joint is connected with one end of the heat collecting pipeline through a pipeline, the other end of the heat collecting pipeline is connected with a liquid inlet joint a through a pipeline, and the liquid outlet joint a is connected with the first water inlet joint through a pipeline;
a partition plate for separating the second pump shell from the water inlet pump chamber is hermetically connected between the second pump shell and the water inlet pump chamber; the end face, far away from the partition plate, of the second pump shell is integrally connected with a second water inlet joint, and the side wall of the second pump shell is integrally connected with a second water outlet joint;
the second water outlet joint is connected with the liquid inlet joint b through a pipeline, and the liquid outlet joint b is connected with the second water inlet joint through a pipeline;
the middle of the second water inlet joint is connected with a rotating rod which is rotatably connected with one end of a second water wheel through a bracket; a rotating hole which is in rotating fit connection with the rotating rod is formed at one end of the second water wheel, a centering lantern ring is formed at the other end of the second water wheel, and a positioning convex ring which is in rotating insertion connection with the centering lantern ring is formed on the end face, facing the second water wheel, of the partition plate; a transmission jack is formed in the second water wheel in the middle of the centering lantern ring;
one end of the first water wheel is fixedly connected with an output shaft of a cooling pump motor, the other end of the first water wheel is integrally connected with a polygonal rod-shaped transmission rod, a transmission sleeve is sleeved outside the transmission rod in a sliding mode, and a transmission insertion piece which can be matched and spliced with a transmission insertion hole in the second water wheel is formed in the end portion of the transmission sleeve;
the end part of the transmission rod is fixedly connected with a permanent magnet a, and the inner bottom of the transmission sleeve is fixedly connected with a permanent magnet b tightly attracted with the permanent magnet a through magnetic force;
the outer wall of the transmission sleeve is integrally connected with an axial flow blade, when the motor of the cooling pump drives the transmission sleeve to rotate clockwise at a first set rotating speed through a first water wheel, the axial flow blade generates a driving force towards the direction of the water outlet pump chamber for liquid in the water inlet pump chamber, and the liquid generates a reaction force for the axial flow blade to enable the transmission insertion sheet to be matched and inserted with the transmission insertion hole; the reaction force of the liquid to the axial flow blades is greater than the magnetic force between the permanent magnet a and the permanent magnet b;
when the cooling pump motor drives the transmission sleeve to rotate clockwise at a second set rotating speed through the first water wheel, the reaction force of the liquid to the axial flow blade is smaller than the magnetic force between the permanent magnet a and the permanent magnet b, the transmission insertion sheet is separated from the transmission insertion hole, and the second water wheel does not rotate;
the first set rotational speed is greater than the second set rotational speed.
2. The new energy electric bus as claimed in claim 1, wherein: the upper end of the battery shell is connected with a shell cover plate; and a plastic isolation plate is connected to the inside of the battery shell above the power transmission electrode.
3. The new energy electric bus as claimed in claim 1, wherein: the shaping of battery installation storehouse lower extreme both sides has the dress mouth with rack groove intercommunication, the rack extends to the outer end of dress mouth.
4. The new energy electric bus as claimed in claim 1, wherein: a radiator installation bin is formed at the rear end of the battery shell; and a radiator is arranged in the radiator mounting bin.
5. The new energy electric bus as claimed in claim 1, wherein: the remote controller is used for controlling the front wheel driving motor, the rear wheel driving motor and the electric push rod to act, and the remote controller is electrically connected with the battery controller through wireless communication.
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| CN201810520181.9A CN108909474B (en) | 2018-05-28 | 2018-05-28 | New forms of energy electric bus |
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| CN201810520181.9A CN108909474B (en) | 2018-05-28 | 2018-05-28 | New forms of energy electric bus |
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| CN108909474B true CN108909474B (en) | 2021-01-05 |
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| CN112234298A (en) * | 2020-10-19 | 2021-01-15 | 苏州博众机器人有限公司 | Battery dismounting device and robot |
| CN112477679B (en) * | 2020-11-17 | 2022-08-02 | 湖南大学 | Autonomous-moving electric vehicle battery pack, battery system and control method |
| CN116435657B (en) * | 2023-03-24 | 2023-08-22 | 吉林工程技术师范学院 | Low-temperature lithium ion power battery heating device for new energy vehicle |
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| DE102008004653A1 (en) * | 2007-10-04 | 2009-04-09 | Linde Material Handling Gmbh | Fork-lift truck i.e. counterbalance fork-lift truck, has battery case cover provided with lateral opening, which enables lateral battery change in horizontal direction in closed position of battery case cover |
| JP2011152906A (en) * | 2010-01-28 | 2011-08-11 | Sony Corp | Battery and electric motor vehicle system |
| US8852794B2 (en) * | 2012-01-18 | 2014-10-07 | Battchange, Llc | Electric vehicle battery case |
| FR2989522B1 (en) * | 2012-04-12 | 2014-08-22 | Pierre Sabatier | STAND-ALONE BATTERY FOR HYBRID OR ELECTRIC VEHICLES |
| CN104385892B (en) * | 2014-09-18 | 2017-02-01 | 浙江吉利控股集团有限公司 | Electric vehicle |
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Effective date of registration: 20201214 Address after: Floor 1, building 1, east of Ziqiang Road, Youchegang Town, Xiuzhou District, Jiaxing City, Zhejiang Province, 314000 Applicant after: Jiaxing Qiyue decoration materials Co., Ltd Address before: 315613 Coastal Industrial Zone, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province Applicant before: Jiang Guiying |
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