CN110406401B - Bus intelligent collector bow based on multi-sensor constraint - Google Patents
Bus intelligent collector bow based on multi-sensor constraint Download PDFInfo
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- CN110406401B CN110406401B CN201910704462.4A CN201910704462A CN110406401B CN 110406401 B CN110406401 B CN 110406401B CN 201910704462 A CN201910704462 A CN 201910704462A CN 110406401 B CN110406401 B CN 110406401B
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- collector bow
- rod
- charging
- bow rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/18—Buses
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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
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides an intelligent bus collector bow based on multi-sensor constraint, which comprises the following components: the turntable is arranged on the roof at the outer side of the bus and can rotate under the action of the rotating motor; one end of the collector bow rod is hinged to the rotary table through a first rotary shaft which is transversely arranged, and can swing along the vertical direction under the action of the telescopic mechanism; the charging end is arranged at the other end of the collector bow rod and is used for being contacted with the external charging wire; the sensor is arranged on the upper surface of the collector bow rod and is close to the charging end and used for sensing the position of the externally pulled charging wire; the sensor is used for sensing the ascending height position of the collector bow rod and is matched with the telescopic mechanism and the rotating motor. The invention automatically charges by searching the position of the externally pulled charging wire, realizes the safe charging of the driver by one key and optimizes the charging process of the electric bus.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to an intelligent bus collector bow based on multi-sensor constraint.
Background
The existing pure electric buses are basically charged manually by adopting a charging gun, each time of charging needs a bus driver to drive the bus to a designated position, the bus is driven to manually pull out the gun and plug in the gun for charging, and operators are required to carry a cable very inconvenient; meanwhile, as the hand-held plug is required, once the operation is improper, safety accidents are easily caused; and some automatic pantograph designs existing in the market have many immature problems, such as inaccurate charging position searching, abnormal falling and returning and the like.
Disclosure of Invention
In order to solve the technical problems, the intelligent bus collector based on multi-sensor constraint is provided by the invention, after the bus is stopped, the collector can search the position of the externally pulled charging wire for automatic charging, so that the driver can safely charge by one key, and the charging process of the electric bus is optimized.
The invention adopts the following technical scheme:
An intelligent bus pantograph based on multi-sensor constraints, comprising:
the turntable is arranged on the roof at the outer side of the bus and can rotate under the action of the rotating motor;
One end of the collector bow rod is hinged to the rotary table through a first rotary shaft which is transversely arranged, and can swing along the vertical direction under the action of the telescopic mechanism;
The charging end is arranged at the other end of the collector bow rod and is used for being contacted with the external charging wire;
the sensor is arranged on the upper surface of the collector bow rod and is close to the charging end and used for sensing the position of the externally pulled charging wire;
The sensor is used for sensing the ascending height position of the collector bow rod and is matched with the telescopic mechanism and the rotating motor.
Preferably, the telescopic machanism includes the casing and slides the telescopic link in the casing, the telescopic link articulates with the below of collector bow pole, the casing articulates on the revolving stage, the sensor includes that set gradually in lower sensor, median sensor and the upper sensor in the casing outside along the flexible direction of telescopic link, be connected with on the telescopic link can in proper order with lower sensor, median sensor and upper sensor matched with response piece at the flexible in-process of telescopic link.
Preferably, the rotary table further comprises a base, the rotary table rotates on the base through a second rotating shaft which is longitudinally arranged, a bidirectional travel switch is further arranged on the base, a stop block is symmetrically arranged on the rotary table relative to the bidirectional travel switch, and the stop block can be in contact with the bidirectional travel switch in the rotary table rotating process.
Preferably, the middle part of the charging end is rotatably arranged on the collector bow rod through a third rotating shaft parallel to the second rotating shaft, and the two ends of the charging end are symmetrically provided with connecting pieces relative to the third rotating shaft;
the base is provided with two auxiliary rotating wheels, the eccentric positions of the auxiliary rotating wheels are respectively provided with a connecting block, the two auxiliary rotating wheels and the two connecting blocks are symmetrically arranged on two sides of the second rotating shaft corresponding to the two connecting pieces, the connecting blocks are connected with the corresponding connecting pieces through auxiliary stay wires, and the two auxiliary rotating wheels can synchronously rotate on the base along the same rotation direction; in the rotating process of the turntable, the auxiliary stay wire is always tensioned between the connecting block and the corresponding connecting piece.
Preferably, the outer side of the rotary table is sleeved with a gear, the outer side of the auxiliary rotary wheel is sleeved with an auxiliary gear meshed with the gear, and the gear is meshed with the two auxiliary gears simultaneously.
Preferably, the auxiliary stay wire between the connection block and the connection member has the same length.
Preferably, the bus outside roof still is equipped with locking mechanism, locking mechanism includes support and locking piece, and locking piece symmetry sets up in the both sides of support, leaves the clearance that can hold the collector bow pole between two locking pieces, and two locking pieces can be under the effect of push rod motor the removal in opposite directions with collector bow pole clamp.
Preferably, the collector bow rod can contact with the upper surface of support, the height of the upper surface of support is less than the height of first pivot, be close to charge end department on the collector bow rod and still be equipped with the inductor, be equipped with the safety cover that can shelter from the inductor on the collector bow rod, at collector bow rod swing in-process, the safety cover can slide along the length direction of collector bow rod under the action of gravity, and when collector bow rod contacted with the upper surface of support, the safety cover sheltered from the inductor.
Preferably, the shielding sleeve is sleeved on the outer side of the pantograph rod, a light hole is formed in the shielding sleeve relative to the inductor, the protective cover slides on the shielding sleeve along the length direction of the pantograph rod, and the protective cover can seal the light hole.
Preferably, the shielding sleeve is further internally provided with a guide wheel in a rotating mode, the axial direction of the guide wheel is parallel to the second rotating shaft, the guide wheels are symmetrically arranged on two sides of the bow rod, and the auxiliary stay wires bypass the corresponding guide wheels respectively.
The invention has the beneficial effects that:
(1) The invention can replace operators to automatically charge, thereby greatly reducing the manual labor of the operators, and the operators are not contacted with the charging equipment in the charging process, thus truly realizing one-key safe charging;
(2) According to the invention, through the multi-sensor interlocking constraint and the communication between the vehicle controller and the collector bow controller, the collector bow can be rapidly and accurately positioned at a charging position to charge, and automatically falls to a corresponding position after the charging is finished, so that the collector bow is extremely safe and convenient;
(3) The invention can rapidly judge the faults according to the information of each sensor, and is beneficial to maintenance.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a side view of the whole of the present invention;
FIG. 2 is a schematic top view of the whole of the present invention;
FIG. 3 is a schematic view of the connection between the telescopic mechanism and the sensor according to the present invention;
FIG. 4 is a schematic view of the connection between the protective cover and the light hole according to the present invention;
fig. 5 is a schematic view showing the action position of the auxiliary stay wire when the charging end of the present invention swings around the second rotation axis.
Detailed Description
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the intelligent bus pantograph based on multi-sensor constraint disclosed by the invention comprises a turntable 1, a pantograph rod 2, a charging end 3, an inductor 4 and a sensor; the turntable 1 is arranged on the roof of the outer side of the bus and can rotate under the action of the rotating motor 5; one end of the pantograph rod 2 is hinged on the turntable 1 through a first rotating shaft 6 which is transversely arranged, and can swing along the vertical direction under the action of a telescopic mechanism 7; the charging end 3 is arranged at the other end of the collector bow rod 2 and is used for being contacted with an externally pulled charging wire 8; the inductor 4 is arranged on the upper surface of the collector bow rod 2 and is close to the charging end 3 and used for inducing the position of the externally pulled charging wire 8; the sensor is used for sensing the lifting height position of the collector bow rod 2 and is matched with the telescopic mechanism 7 and the rotating motor 5 for use;
When the bus needs to be charged, a driver presses a charging button after driving the bus to a designated position, the pantograph is electrified for self-checking at the moment, after the self-checking is finished, the pantograph rod 2 starts to ascend under the pushing of the telescopic mechanism 7, the sensor senses that the pantograph rod 2 ascends to the middle position and stops ascending, at the moment, the rotating motor 5 drives the turntable 1 to rotate, and the pantograph rod 2 is driven to start to rotate left and right to search the position of the externally pulled charging wire 8; the sensor 4 arranged at the upper end of the collector bow rod 2 starts to search the position of the external charging wire 8, and the sensor 4 adopts a photoelectric sensor, a reflector is arranged at the preset position of the external charging wire 8 above a parking space, the position of the reflector is searched through the photoelectric sensor, and the position searching is more accurate; when the reflector position is found, the rotary motor 5 is locked to stop rotating; the telescopic mechanism 7 works, the collector bow rod 2 is continuously lifted until the graphite blocks on the charging end head 3 are contacted with the externally pulled charging wire 8, at the moment, the vehicle-mounted control system judges whether charging can be connected according to the vehicle-mounted state and the charging wire state, and the charging is conducted when the charging condition is met; when the vehicle-mounted control system detects that the charging is completed, the vehicle-mounted control system sends charging completion information to the pantograph controller, at the moment, the telescopic mechanism 7 is retracted, the sensor senses that the pantograph rod 2 is retracted to the middle position and stops, at the moment, whether the pantograph rod 2 is in the middle position is judged, and when the pantograph rod is in the correct falling position, the telescopic mechanism 7 continues to retract until the pantograph rod falls to the correct position, and the charging is completed.
Specifically, the telescopic mechanism 7 comprises a shell 9 and a telescopic rod 10 sliding in the shell 9, the telescopic rod 10 is hinged to the lower side of the pantograph rod 2, the shell 9 is hinged to the rotary table 1, the sensor comprises a lower sensor 11, a middle sensor 12 and an upper sensor 13 which are sequentially arranged on the outer side of the shell 9 along the telescopic direction of the telescopic rod 10, and an induction block 14 which can be sequentially matched with the lower sensor 11, the middle sensor 12 and the upper sensor 13 in the telescopic process of the telescopic rod 10 is connected to the telescopic rod 10.
The turntable 1 rotates on the base 15 through a second rotating shaft 16 arranged longitudinally, a bidirectional travel switch 17 is further arranged on the base 15, a stop block 18 is symmetrically arranged on the turntable 1 relative to the bidirectional travel switch 17, and the stop block 18 can be contacted with the bidirectional travel switch 17 in the rotation process of the turntable 1; the collector bow controller judges whether the collector bow rod 2 is at the middle position by judging whether the bidirectional travel switch 17 is opened by the left stop block 18 and the right stop block 18, and when the bidirectional travel switch 17 is not opened, the collector bow rod 2 is at the middle return position and can continue to fall; when the bidirectional travel switch 17 is turned on, the rotary electric machine 5 rotates to prevent the stop block 18 from touching the bidirectional travel switch 17, so that the intermediate position is found, and the bidirectional travel switch 17 can turn on the forward and reverse voltages of the rotary electric machine 5 according to the different switch directions, thereby realizing the forward and reverse rotation of the rotary electric machine 5.
The middle part of the charging end 3 is rotatably arranged on the collector bow rod 2 through a third rotating shaft 19 parallel to the second rotating shaft 16, and connecting pieces 20 are symmetrically arranged at two ends of the charging end 3 relative to the third rotating shaft 19; the base 15 is provided with two auxiliary rotating wheels 21, the eccentric positions of the auxiliary rotating wheels 21 are respectively provided with a connecting block 22, the two auxiliary rotating wheels 21 and the two connecting blocks 22 are symmetrically arranged at two sides of the second rotating shaft 16 corresponding to the two connecting pieces 20, the connecting blocks 22 are connected with the corresponding connecting pieces 20 through auxiliary stay wires 23, and the two auxiliary rotating wheels 21 can synchronously rotate on the base 15 along the same rotating direction; in the rotating process of the turntable 1, the auxiliary stay wire 23 is always tensioned between the connecting block 22 and the corresponding connecting piece 20; the outer side of the turntable 1 is sleeved with a gear 24, the outer side of the auxiliary rotating wheel 21 is sleeved with an auxiliary gear 25 meshed with the gear 24, and the gear 24 is meshed with the two auxiliary gears 25 simultaneously; the auxiliary stay 23 between the connection block 22 and the connection piece 20 has the same length; when one end of the pantograph rod 2 rotates around the second rotating shaft 16, the distance between the connecting piece 20 on one side and the corresponding connecting block 22 is reduced, and the distance between the connecting piece 20 on the other side and the corresponding connecting block 22 is increased without the auxiliary stay 23; therefore, when the auxiliary stay 23 is present, the former connecting block 22 moves in a direction approaching the charging terminal 3, and the latter connecting block 22 moves in a direction separating from the charging terminal 3, so that the charging terminal can be kept perpendicular to the pull-out charging wire, and the pantograph rod 2 can ensure that the charging terminal 3 can always be in good contact with the pull-out charging wire 8 during the ascent.
The bus outside roof still is equipped with locking mechanism, and locking mechanism includes support 26 and locking piece 27, and locking piece 27 symmetry sets up in the both sides of support 26, leaves the clearance that can hold collector bow rod 2 between two locking pieces 27, and two locking pieces 27 can be under the effect of push rod motor 28 to remove in opposite directions and press from both sides collector bow rod 2 tight, and in the vehicle driving process or after charging, collector bow rod 2 falls on support 26 to by the locking piece 27 locking of both sides fixed, avoid collector bow rod 2 unexpected removal.
The collector bow rod 2 can be contacted with the upper surface of the bracket 26, the height of the upper surface of the bracket 26 is lower than that of the first rotating shaft 6, the collector bow rod 2 is provided with a protective cover 29 capable of shielding the inductor 4, the protective cover 29 can slide along the length direction of the collector bow rod 2 under the action of gravity in the swinging process of the collector bow rod 2, and when the collector bow rod 2 is contacted with the upper surface of the bracket 26, the protective cover 29 shields the inductor 4; a shielding sleeve 30 is sleeved on the outer side of the collector bow rod 2, a light hole 31 is formed in the shielding sleeve 30 relative to the sensor 4, a protective cover 29 slides on the shielding sleeve 30 along the length direction of the collector bow rod 2, and the protective cover 29 can seal the light hole 31;
When the charging is carried out, the push rod motor 28 is retracted, the two locking blocks 27 are unlocked, the pantograph rod 2 is lifted upwards under the action of the telescopic mechanism 7, when the height of the protective cover 29 exceeds the height of the first rotating shaft 6, the protective cover 29 slides downwards under the action of gravity to expose the light holes 31, and at the moment, the photoelectric sensor can be used for searching the reflective mirror between the two external charging wires 8, so that the accuracy of searching the charging position can be improved; after the charging is finished, the collector bow rod 2 falls back down onto the support 26 under the action of the telescopic mechanism 7, the protective cover 29 seals the light holes 31 under the action of gravity and covers the inductor 4, so that the inductor 4 is prevented from being polluted in a non-charging state and the accuracy of the inductor 4 is prevented from being influenced.
The guide wheels 32 are further rotationally arranged in the shielding sleeve 30, the axial direction of the guide wheels 32 is parallel to the second rotating shaft 16, the guide wheels 32 are symmetrically arranged on two sides of the pantograph rod 2, the auxiliary stay wires 23 bypass the corresponding guide wheels 32 respectively, and the guide wheels 32 can concentrate the auxiliary stay wires 23 in the shielding sleeve 30, so that the occupied range of installation is reduced.
The working principle of the invention is as follows:
When the bus needs to be charged, a driver starts the bus to a designated parking area, presses a charging button, and starts self-checking of the pantograph, at the moment, the pantograph rod 2 is in a locked state, the push rod motor 28 locks the pantograph rod 2, meanwhile, the lower stop sensor 11 of the telescopic mechanism 7 is in a conducting state, and the protective cover 29 blocks the inductor 4; when the initial state of the pantograph is normal, the vehicle controller sends a lifting rod instruction to the pantograph controller, after the pantograph controller receives a lifting rod instruction, the push rod motor 28 is controlled to retract, the pantograph rod 2 starts to lift under the action of the telescopic mechanism 7 until the middle position sensor 12 on the pantograph rod 2 is conducted, the telescopic mechanism 7 enters a locking state when the pantograph rod 2 is detected to lift to the middle position, the pantograph controller controls the rotating motor 5 to start to drive the turntable 1 to rotate left and right, the protective cover 29 slides downwards under the action of gravity at the moment, the inductor 4 is leaked, the inductor 4 starts to search a reflector plate between two external pulling charging wires 8 along with the left and right rotation of the pantograph rod 2, the left and right rotation amplitude is controlled through time delay, and in the rotation process, the charging end 3 pulls the auxiliary pull wire 23 to drive the charging end 3 to rotate together under the rotation of the left and right auxiliary rotating wheels 21, and graphite blocks on the charging end 3 can be kept parallel with the external pulling charging wires 8 at any time; when the left and right rotation sensor 4 of the pantograph rod 2 can not find the target all the time, after scanning for five times, the pantograph rod 2 enters a rod falling state to restart the rod falling state, and meanwhile, a fault instruction is sent to the vehicle-mounted controller through the pantograph controller; when the sensor 4 detects the position of the reflecting plate, the rotating motor 5 stops rotating, the pantograph controller continues to control the telescopic mechanism 7 to lift, and through adjustment, when the upper sensor 13 of the telescopic mechanism 7 is conducted, the lifting height of the pantograph rod 2 just can ensure that the graphite blocks of the charging end 3 are in contact with the externally pulled charging wire 8, and at the moment, the vehicle charging equipment and the externally pulled charging wire 8 are connected through the vehicle charging wire; when the contact is completed, the vehicle-mounted control system judges whether safe charging is possible according to the current vehicle state and the state of the pull-out charging wire 8, and when the condition is satisfied, the vehicle-mounted control system controls the vehicle to start charging.
When the vehicle-mounted control system detects that charging is completed, the vehicle controller sends a charging completion instruction to the pantograph controller to perform rod descending operation. Firstly, a vehicle-mounted control system disconnects a vehicle charging system, a telescopic mechanism 7 starts to retract, when the telescopic mechanism retracts to a middle position, a middle position sensor 12 is conducted, the telescopic mechanism 7 stops working, a pantograph controller judges whether a pantograph rod 2 is at the middle position by judging whether a bidirectional travel switch 17 is opened by a left stop block 18 or a right stop block 18, and when the bidirectional travel switch 17 is not opened, the pantograph rod 2 is indicated to be at the middle return position and can continue to fall; when the bidirectional travel switch 17 is turned on, the rotary motor 5 rotates to ensure that the stop block 18 does not touch the bidirectional travel switch 17, the middle position is found, and the bidirectional travel switch 17 can switch on the forward and reverse voltages of the rotary motor 5 according to different switch directions, so that the forward and reverse rotation of the rotary motor 5 is realized; when the pantograph rod 2 returns to the middle position, the telescopic mechanism 7 continues to retract, the pantograph rod 2 continues to descend, when the descending sensor 11 is conducted, the pantograph rod 2 just falls onto the support 26, at the moment, the pantograph controller controls the push rod motor 28 to extend, the pantograph rod 2 is locked through the locking block 27, the protective cover 29 slides back under the action of gravity to cover the inductor 4, and contamination in a non-charged state is prevented, so that the precision of the photoelectric sensor is affected.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Intelligent bus collector bow based on multisensor constraint, its characterized in that includes:
the turntable is arranged on the roof at the outer side of the bus and can rotate under the action of the rotating motor;
One end of the collector bow rod is hinged to the rotary table through a first rotary shaft which is transversely arranged, and can swing along the vertical direction under the action of the telescopic mechanism;
The charging end is arranged at the other end of the collector bow rod and is used for being contacted with the external charging wire;
The sensor is arranged on the upper surface of the collector bow rod and is close to the charging end and used for sensing the position of the externally pulled charging wire; the sensor adopts a photoelectric sensor, a reflector is arranged at a preset position of an externally pulled charging wire above the parking space, and the position of the reflector is searched by the photoelectric sensor;
The sensor is used for sensing the ascending height position of the collector bow rod and is matched with the telescopic mechanism and the rotating motor for use;
The telescopic mechanism comprises a shell and a telescopic rod sliding in the shell, the telescopic rod is hinged to the lower side of the collector bow rod, the shell is hinged to the rotary table, the sensor comprises a lower sensor, a middle sensor and an upper sensor which are sequentially arranged on the outer side of the shell along the telescopic direction of the telescopic rod, and an induction block which can be sequentially matched with the lower sensor, the middle sensor and the upper sensor in the telescopic process of the telescopic rod is connected to the telescopic rod;
The rotary table is rotated on the base through a second rotating shaft which is longitudinally arranged, a bidirectional travel switch is further arranged on the base, a stop block is symmetrically arranged on the rotary table relative to the bidirectional travel switch, and the stop block can be contacted with the bidirectional travel switch in the rotating process of the rotary table;
the middle part of the charging end is rotatably arranged on the collector bow rod through a third rotating shaft parallel to the second rotating shaft, and connecting pieces are symmetrically arranged at two ends of the charging end relative to the third rotating shaft;
The base is provided with two auxiliary rotating wheels, the eccentric positions of the auxiliary rotating wheels are respectively provided with a connecting block, the two auxiliary rotating wheels and the two connecting blocks are symmetrically arranged on two sides of the second rotating shaft corresponding to the two connecting pieces, the connecting blocks are connected with the corresponding connecting pieces through auxiliary stay wires, and the two auxiliary rotating wheels can synchronously rotate on the base along the same rotation direction; in the rotating process of the turntable, the auxiliary stay wire is always tensioned between the connecting block and the corresponding connecting piece;
The length of the auxiliary stay wire between the connecting block and the connecting piece is the same.
2. The intelligent bus pantograph based on multi-sensor constraint of claim 1, wherein a gear is sleeved outside the turntable, an auxiliary gear meshed with the gear is sleeved outside the auxiliary rotating wheel, and the gear is meshed with the two auxiliary gears simultaneously.
3. The intelligent bus collector bow based on multi-sensor constraint according to any one of claims 1 to 2, wherein a locking mechanism is further arranged on the top of the outside of the bus, the locking mechanism comprises a bracket and locking blocks, the locking blocks are symmetrically arranged on two sides of the bracket, a gap capable of containing a collector bow rod is reserved between the two locking blocks, and the two locking blocks can move in opposite directions under the action of a push rod motor to clamp the collector bow rod.
4. The intelligent bus collector bow based on multi-sensor constraint according to claim 3, wherein the collector bow rod can be contacted with the upper surface of the support, the height of the upper surface of the support is lower than that of the first rotating shaft, an inductor is further arranged on the collector bow rod, which is close to the charging end, a protective cover capable of shielding the inductor is arranged on the collector bow rod, and the protective cover can slide along the length direction of the collector bow rod under the action of gravity in the swing process of the collector bow rod, and the protective cover shields the inductor when the collector bow rod is contacted with the upper surface of the support.
5. The intelligent bus collector bow based on multi-sensor constraint according to claim 4, wherein a shielding sleeve is sleeved on the outer side of the collector bow rod, a light hole is formed in the shielding sleeve relative to the sensor, the protective cover slides on the shielding sleeve along the length direction of the collector bow rod, and the protective cover can seal the light hole.
6. The intelligent bus collector bow based on multi-sensor constraint according to claim 5, wherein a guide wheel is further rotatably arranged in the shielding sleeve, the axial direction of the guide wheel is parallel to the second rotating shaft, the guide wheels are symmetrically arranged on two sides of the collector bow rod, and auxiliary stay wires respectively bypass the corresponding guide wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704462.4A CN110406401B (en) | 2019-07-31 | 2019-07-31 | Bus intelligent collector bow based on multi-sensor constraint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910704462.4A CN110406401B (en) | 2019-07-31 | 2019-07-31 | Bus intelligent collector bow based on multi-sensor constraint |
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| Publication Number | Publication Date |
|---|---|
| CN110406401A CN110406401A (en) | 2019-11-05 |
| CN110406401B true CN110406401B (en) | 2024-06-04 |
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| CN201910704462.4A Active CN110406401B (en) | 2019-07-31 | 2019-07-31 | Bus intelligent collector bow based on multi-sensor constraint |
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