CN209141913U - A kind of small size air rail Vehicular brake device - Google Patents
A kind of small size air rail Vehicular brake device Download PDFInfo
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- CN209141913U CN209141913U CN201821815551.3U CN201821815551U CN209141913U CN 209141913 U CN209141913 U CN 209141913U CN 201821815551 U CN201821815551 U CN 201821815551U CN 209141913 U CN209141913 U CN 209141913U
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- hub motor
- electric machine
- machine controller
- electric
- brake
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- Braking Systems And Boosters (AREA)
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Abstract
A kind of small size air rail Vehicular brake device, travelling wheel are hub motor outer hoop tire composition, are equipped with Hall sensor on the stator of hub motor, Hall sensor is connected with the signal input part of the electric machine controller on car body；The input terminal of hub motor is connected with the output end of electric machine controller；The output end of lithium battery on car body is connected with the input terminal of electric machine controller；Braking resistor is in parallel with lithium battery after concatenating with relay；Battery voltage sensor is installed, the output end of battery voltage sensor, the control terminal of relay are connected with master controller on lithium battery；Electric cylinder and hydraulic cylinder are also equipped on the bogie, the control terminal of electric cylinder is connected with master controller；The push rod of hydraulic cylinder is connected with the output rod of electric cylinder；The output oil port of hydraulic cylinder is connected by oil pipe with the oil inlet of brake clamp.The brake apparatus occupies little space, and brake noise is low, good braking effect, and its long service life, highly reliable.
Description
Technical field
The utility model relates to a kind of small size air rail Vehicular brake devices.
Background technique
Empty rail vehicle is the vehicles suitable for small and medium-sized cities, and track is square ON TRAINS, by steel or cement post
Support is in the sky.The power device of existing sky rail vehicle is motor.Its brake apparatus is nearly all braked using airbrasive
In conjunction with the electric braking of regenerative electric power.Wherein, brake force is transmitted and amplified to airbrasive braking by two cylinders, and there are cylinders
Volume is big, and structure is complicated, processing request is high, the big problem of brake noise；And the electric braking of regenerative electric power, brake the hair of generation
Electrical power is limited, and braking effect is to be improved；Especially the remaining capacity abundance of battery when, generation current can not be filled with battery,
The inertia kinetic energy of car body can not be changed into electric energy, cause its braking effect poor.
Utility model content
The purpose of the utility model is to provide a kind of small size air rail Vehicular brake device, which occupies little space,
Brake noise is low, good braking effect, and structure is simple, processing request is low, and manufacturing cost is low, and the long service life of brake apparatus,
It is highly reliable.
The utility model realizes the purpose of its utility model the technical scheme adopted is that a kind of small size air rail vehicle braking
Device, including be fixed on bogie it is left front, it is right before, it is left back, right after travelling wheel, travelling wheel is placed on the track in track girder,
Body suspension is in installing in the brake disc installed on the lower section of bogie, each travelling wheel, bogie and brake disc cooperation
Brake clamp, it is characterised in that:
The travelling wheel is hub motor outer hoop tire composition, is equipped with Hall sensor on the stator of hub motor,
The Hall sensor is connected with the signal input part of the electric machine controller on car body；The input terminal of hub motor and motor control
The output end of device processed is connected；The output end of lithium battery on car body is connected with the input terminal of electric machine controller；Braking resistor with after
It is in parallel with lithium battery after electric appliance concatenation；Battery voltage sensor is installed on lithium battery, the output end of battery voltage sensor, after
The control terminal of electric appliance is connected with the master controller on car body；The output end of master controller and the input terminal of electric machine controller
It is connected；Electric cylinder is also equipped on the bogie, the control terminal of electric cylinder is connected with master controller；
Hydraulic cylinder is also equipped on the bogie, and the push rod of hydraulic cylinder is connected with the output rod of electric cylinder；It is described
The output oil port of hydraulic cylinder be connected with the oil inlet of brake clamp by oil pipe.
The working process and principle of the utility model are:
The working process and principle of low-intensity braking are:
A1, master controller receive the voltage that battery voltage sensor is measured, the voltage measured such as battery voltage sensor
Corresponding battery dump energy is lower than 95%, carries out the operation of A2 step；Otherwise, the operation of A3 step is carried out；
A2, master controller issue low-intensity brake signal to electric machine controller, and electric machine controller enters low-intensity braking
Mode: position of the rotor for the hub motor that electric machine controller combination Hall sensor detects relative to stator controls motor
The on-off moment of the output end of controller, input terminal realizes the feedback control to hub motor rotor-position；So that left front, right
Preceding hub motor disconnects, is in shutdown status；The working condition of hub motor after left back, right is changed into hair by motoring condition
Electricity condition, it is left back, right after hub motor issue electric current, via electric machine controller flow into lithium battery, lithium battery is filled
Electricity；And then converting the kinetic energy of empty rail vehicle to by hub motor the electric energy of lithium battery, hub motor is slowed down until stopping turning
It is dynamic, realize the low-intensity regenerative electric braking of small size air rail vehicle；
A3, master controller issue control signal to the control terminal of relay, are connected to relay；Master controller simultaneously
Low-intensity brake control signal is issued to electric machine controller, electric machine controller enters low-intensity braking mode: electric machine controller knot
The position of the rotor of hub motor that Hall sensor detects relative to stator is closed, the output end, defeated of electric machine controller is controlled
Enter the on-off moment at end, realizes the feedback control to hub motor rotor-position；So that left front, right preceding hub motor disconnection,
In shutdown status；The working condition of hub motor after left back, right is changed into generating state, hub motor hair by motoring condition
Electric current out flows through braking resistor via electric machine controller and relay；And then by the kinetic energy of empty rail vehicle by hub motor,
Braking resistor is converted into thermal energy, and hub motor is slowed down until stopping operating, and the low intensity resistive of realization small size air rail vehicle is electric
Gas braking.
The working process and principle of middle intensity braking are:
B1, master controller receive the voltage that battery voltage sensor is measured, the voltage measured such as battery voltage sensor
Corresponding battery dump energy is lower than 95%, carries out the operation of B2 step；Otherwise, the operation of B3 step is carried out；
Intensity brake signal makes intensity system in electric machine controller entrance to electric machine controller in B2, master controller sending
Dynamic model formula: position of the rotor for the hub motor that electric machine controller combination Hall sensor detects relative to stator, control electricity
The on-off moment of the output end of machine controller, input terminal realizes the feedback control to hub motor rotor-position；So that all
The working condition of hub motor is changed into generating state, the electric current that hub motor issues, via motor control by motoring condition
Device flows into lithium battery, charges to lithium battery；And then lithium battery is converted by hub motor by the kinetic energy of empty rail vehicle
Electric energy, hub motor quick deceleration realize the middle strength regeneration formula electric braking of small size air rail vehicle up to stopping operating；
B3, master controller issue control signal to the control terminal of relay, are connected to relay；Master controller simultaneously
Intensity brake control signal makes intensity braking mode in electric machine controller entrance: electric machine controller combination Hall sensor in sending
Position of the rotor of the hub motor detected relative to stator, when controlling the on-off of the output end of electric machine controller, input terminal
It carves, realizes the feedback control to hub motor rotor-position；So that the working condition of all hub motors is by motoring condition
It is changed into generating state, the electric current that hub motor issues flows through braking resistor via electric machine controller, relay；In turn by vehicle
The kinetic energy of body is converted into thermal energy by hub motor, braking resistor, and for hub motor quick deceleration until stopping operating, realization is small-sized
The middle intensity resistance-type electric braking of empty rail vehicle.
The working process and principle of high intensity braking are:
C1, master controller issue control signal to the control terminal of relay, are connected to relay；
Master controller is simultaneously emitted by high-intensitive brake signal to electric machine controller and electric cylinder；Electric machine controller carries out C2
The operation of step；Meanwhile electric cylinder carries out the operation of C3 step；
Intensity braking mode in C2, electric machine controller entrance: the wheel hub that electric machine controller combination Hall sensor detects
Position of the rotor of motor relative to stator controls the output end of electric machine controller, the on-off moment of input terminal, realizes to wheel hub
The feedback control of motor rotor position；So that the working condition of all hub motors is changed into power generation shape by motoring condition
State；The electric current that hub motor issues flows into lithium battery via electric machine controller, while flowing through braking resistor by relay again；
And then by the kinetic energy of empty rail vehicle, it is converted into the electric energy of lithium battery, while thermal energy is converted by braking resistor；Hub motor is fast
Speed is slowed down up to stopping operating, and realizes the middle strength regeneration and resistance-type electric braking of small size air rail vehicle；
C3, electric cylinder output rod push hydraulic cylinder push rod；The hydraulic oil of hydraulic cylinder is squeezed, pressure is amplified, and is put
Big pressure drives all brake clamps by oil inlet pipe, generates strong pinching action, makes all braking chuck clampings
Travelling wheel；Realize the mechanical friction braking of small size air rail vehicle.
Compared with prior art, the utility model has the beneficial effects that
One, the airbrasive braking that two cylinders are transmitted to and amplified brake force, is changed to electric cylinder+hydraulic cylinder electric-liquid
Mechanical braking, volume substantially reduces, structure is simple, while reducing occupied space, reduce processing request and manufacture at
This；And its brake noise is small.
Two, when low-intensity is braked, the hub motor of two rear-wheels switchs to generating state by motoring condition, carries out the low of two-wheeled
The braking of intensity electrical regeneration, returns to lithium battery for energy while meeting low-intensity brake request, improves the benefit of energy
With rate；And when lithium battery remaining capacity sufficient (> 95%), electricity can not be filled with, the electric energy that hub motor issues then passes through system
Dynamic resistance consumption is thermal energy, carries out low intensity resistive electric braking；It ensure that when lithium battery can not charge, be still able to achieve
The low-intensity of effect is braked.
When middle intensity is braked, the hub motor of four traveling wheels switchs to generating state, carries out the middle intensity of four-wheel electrically again
Raw braking, returns to lithium battery for energy while intensity brake request in satisfaction, improves the utilization rate of energy；And work as lithium
Battery dump energy is sufficient, when can not be filled with electricity, and the electric energy that four hub motors issue is heat by braking resistor consumption
Intensity resistance-type electric braking in capable of, completing；It ensure that when lithium battery can not charge, be still able to achieve intensity system in effective
It is dynamic.
When high intensity braking, then the resistance-type electric braking of four hub motors is carried out, if lithium battery can be filled with electricity, then
The electrical regeneration braking of four hub motors is carried out simultaneously；The machinery being made of electric cylinder, hydraulic cylinder, brake clamp, brake disc
Friction catch mechanism also carries out the mechanical friction braking of small size air rail vehicle simultaneously.Resistance-type electric braking and mechanical friction system
Dynamic and electrical regeneration acts while braking, can satisfy the requirement of high-intensitive (urgent) braking, ensure that small size air rail vehicle
Operational safety.
In short, the braking strategy diversification of the utility model, when lithium battery can be filled with electricity, uses electrical regeneration system
Dynamic, while meeting brake request, energy is recycled by lithium battery, and energy-saving effect is good, improves the continuation of the journey of small size air rail vehicle
Ability；When lithium battery can not be filled with electricity, then resistance-type electric braking is used, ensure that braking can be met the requirements, made
Dynamic effect is good.In, low-intensity braking when four-wheel, two-wheeled electrical regeneration or resistance-type electric braking is respectively adopted, without use machine
Tool friction catch；Not only it is able to satisfy brake request, but also reduces the fretting wear of mechanical friction braking, improves making for braking system
Use life and reliability.In high-intensitive (urgent) braking, four-wheel resistance-type electric braking and mechanical friction are braked and electrically again
It is raw to brake while carrying out, it can satisfy the requirement of high-intensitive (urgent) braking, guarantee the operational safety of small size air rail vehicle.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model embodiment.
Fig. 2 is the side structure schematic view of the utility model embodiment.
Fig. 3 is the electrical structure schematic diagram of the utility model embodiment.
Fig. 4 is the fluid path structural schematic diagram of the utility model embodiment.
Specific embodiment
Embodiment
Fig. 1-4 is shown, and a kind of specific embodiment of the utility model is a kind of small size air rail Vehicular brake device, packet
Include be fixed on bogie 3 it is left front, it is right before, it is left back, right after travelling wheel 2, travelling wheel 2 is placed on the track in track girder 1, car body
4 hang on the lower section of bogie 3, the brake disc 8a installed on each travelling wheel 2, and that installs on bogie 3 matches with brake disc 8a
The brake clamp 8b of conjunction, it is characterised in that:
The travelling wheel 2 is hub motor 2a outer hoop tire 2b composition, is equipped with Hall on the stator of hub motor 2a
Sensor 2c, the Hall sensor 2c are connected with the signal input part of the electric machine controller 5 on car body 4；Hub motor 2a
Input terminal be connected with the output end of electric machine controller 5；The input of the output end and electric machine controller 5 of lithium battery 6 on car body 4
End is connected；Braking resistor 7 is in parallel with lithium battery 6 after concatenating with relay 9；Battery voltage sensor 6a is installed on lithium battery 6,
The output end of battery voltage sensor 6a, the control terminal 9a of relay 9 are connected with the master controller 10 on car body 4；Center
The output end of controller 10 is connected with the input terminal of electric machine controller 5；Electric cylinder 11 is also equipped on the bogie 3, electricity
The control terminal of dynamic cylinder 11 is connected with master controller 10；
Hydraulic cylinder 12, and the output rod phase of the push rod of hydraulic cylinder 12 and electric cylinder 11 are also equipped on the bogie 3
Even；The output oil port of the hydraulic cylinder 12 is connected by oil pipe with the oil inlet of brake clamp 8b.
The method for carrying out low-intensity braking to small size air rail vehicle using the small size air rail Vehicular brake device of this example, makees
Method is:
A1, master controller 10 receive the voltage that battery voltage sensor 6a is measured, as battery voltage sensor 6a is measured
The corresponding battery dump energy of voltage be lower than 95%, carry out A2 step operation；Otherwise, the operation of A3 step is carried out；
A2, master controller 10 issue low-intensity brake signal to electric machine controller 5, and electric machine controller 5 enters low-intensity
Braking mode: position of the rotor for the hub motor 2a that electric machine controller 5 combines Hall sensor 2c to detect relative to stator,
The output end of electric machine controller 5, the on-off moment of input terminal are controlled, realizes the feedback control to hub motor 2a rotor-position；
So that the hub motor 2a before left front, right is disconnected, is in shutdown status；The working condition of hub motor 2a after left back, right by
Motoring condition is changed into generating state, it is left back, right after the electric current that issues of hub motor 2a, flow into lithium via electric machine controller 5
Battery 6 charges to lithium battery 6；And then convert the kinetic energy of empty rail vehicle to by hub motor 2a the electricity of lithium battery 6
Can, hub motor 2a slows down up to stopping operating, and realizes the low-intensity regenerative electric braking of small size air rail vehicle；
A3, master controller 10 issue control signal to the control terminal 9a of relay 9, are connected to relay 9；Center simultaneously
Controller 10 issues low-intensity brake control signal to electric machine controller 5, and electric machine controller 5 enters low-intensity braking mode: electricity
Position of the rotor for the hub motor 2a that machine controller 5 combines Hall sensor 2c to detect relative to stator, controls motor control
The on-off moment of the output end of device 5 processed, input terminal realizes the feedback control to hub motor 2a rotor-position；So that left front, right
Preceding hub motor 2a is disconnected, is in shutdown status；The working condition of hub motor 2a after left back, right is changed by motoring condition
For the electric current that generating state, hub motor 2a issue, braking resistor 7 is flowed through via electric machine controller 5 and relay 9；And then will
The kinetic energy of empty rail vehicle is converted into thermal energy by hub motor 2a, braking resistor 7, and hub motor 2a slows down up to stopping operating,
Realize the low intensity resistive electric braking of small size air rail vehicle.
Using the small size air rail Vehicular brake device of this example to the method for intensity braking in the progress of small size air rail vehicle, make
Method is:
B1, master controller 10 receive the voltage that battery voltage sensor 6a is measured, as battery voltage sensor 6a is measured
The corresponding battery dump energy of voltage be lower than 95%, carry out B2 step operation；Otherwise, the operation of B3 step is carried out；
Intensity brake signal makes strong in the entrance of electric machine controller 5 to electric machine controller 5 in B2, the sending of master controller 10
Degree braking mode: position of the rotor for the hub motor 2a that electric machine controller 5 combines Hall sensor 2c to detect relative to stator
It sets, controls the output end of electric machine controller 5, the on-off moment of input terminal, realize the feedback control to hub motor 2a rotor-position
System；So that the working condition of all hub motor 2a is changed into generating state by motoring condition, what hub motor 2a was issued
Electric current flows into lithium battery 6 via electric machine controller 5, charges to lithium battery 6；And then the kinetic energy of empty rail vehicle is passed through into wheel
Hub motor 2a is converted into the electric energy of lithium battery 6, and hub motor 2a quick deceleration realizes small size air rail vehicle up to stopping operating
Middle strength regeneration formula electric braking；
B3, master controller 10 issue control signal to the control terminal 9a of relay 9, are connected to relay 9；Center simultaneously
Intensity brake control signal makes intensity braking mode in the entrance of electric machine controller 5 in the sending of controller 10: electric machine controller 5 combines
Position of the rotor for the hub motor 2a that Hall sensor 2c is detected relative to stator, the output end of control electric machine controller 5,
The on-off moment of input terminal realizes the feedback control to hub motor 2a rotor-position；So that the work of all hub motor 2a
Make state and generating state, the electric current that hub motor 2a is issued, via electric machine controller 5, relay are changed by motoring condition
9a flows through braking resistor 7；And then thermal energy, hub motor are converted by hub motor 2a, braking resistor 7 by the kinetic energy of car body 4
2a quick deceleration realizes the middle intensity resistance-type electric braking of small size air rail vehicle up to stopping operating.
The method for carrying out high-intensitive braking to small size air rail vehicle using the small size air rail Vehicular brake device of this example, makees
Method is:
C1, master controller 10 issue control signal to the control terminal 9a of relay 9, are connected to relay 9；
Master controller 10 is simultaneously emitted by high-intensitive brake signal to electric machine controller 5 and electric cylinder 11；Electric machine controller 5
Carry out the operation of C2 step；Meanwhile electric cylinder 11 carries out the operation of C3 step；
Intensity braking mode in C2, electric machine controller entrance: the wheel that electric machine controller 5 is detected in conjunction with Hall sensor 2c
Position of the rotor of hub motor 2a relative to stator controls the output end of electric machine controller 5, the on-off moment of input terminal, realizes
To the feedback control of hub motor 2a rotor-position；So that the working condition of all hub motor 2a is changed by motoring condition
For generating state；The electric current that hub motor 2a is issued flows into lithium battery 6 via electric machine controller 5, while passing through relay 9a again
Flow through braking resistor 7；And then by the kinetic energy of empty rail vehicle, it is converted into the electric energy of lithium battery 6, while converting by 6 braking resistors 7
For thermal energy；Hub motor 2a slows down rapidly until stopping operating, and the middle strength regeneration and resistance-type of realization small size air rail vehicle are electric
Gas braking；
C3, electric cylinder 11 output rod push hydraulic cylinder 12 push rod；The hydraulic oil of hydraulic cylinder 12 is squeezed, pressure is put
Greatly, the pinching action that the pressure of amplification drives all brake clamp 8b, generation strong by oil inlet pipe, makes all brakings
Disk 8a clamps travelling wheel 2；Realize the mechanical friction braking of small size air rail vehicle.
Claims (1)
1. a kind of small size air rail Vehicular brake device, including be fixed on bogie (3) it is left front, it is right before, it is left back, right after travelling wheel
(2), travelling wheel (2) is placed on the track in track girder (1), and car body (4) hangs on the lower section of bogie (3), each travelling wheel
(2) brake disc (8a) installed on, the brake clamp (8b) with brake disc (8a) cooperation installed on bogie (3), feature
It is:
The travelling wheel (2) is hub motor (2a) outer hoop tire (2b) composition, is equipped on the stator of hub motor (2a)
Hall sensor (2c), the signal input part phase of the Hall sensor (2c) and the electric machine controller (5) on car body (4)
Even；The input terminal of hub motor (2a) is connected with the output end of electric machine controller (5)；The output of lithium battery (6) on car body (4)
End is connected with the input terminal of electric machine controller (5)；Braking resistor (7) is in parallel with lithium battery (6) after concatenating with relay (9)；Lithium
It is equipped on battery (6) battery voltage sensor (6a), the control of the output end, relay (9) of battery voltage sensor (6a)
End (9a) is connected with the master controller (10) on car body (4)；The output end of master controller (10) and electric machine controller (5)
Input terminal be connected；It is also equipped with electric cylinder (11) on the bogie (3), the control terminal of electric cylinder (11) and center control
Device (10) is connected；
It is also equipped with hydraulic cylinder (12) on the bogie (3), and the output of the push rod of hydraulic cylinder (12) and electric cylinder (11)
Bar is connected；The output oil port of the hydraulic cylinder (12) is connected by oil pipe with the oil inlet of brake clamp (8b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815551.3U CN209141913U (en) | 2018-11-06 | 2018-11-06 | A kind of small size air rail Vehicular brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815551.3U CN209141913U (en) | 2018-11-06 | 2018-11-06 | A kind of small size air rail Vehicular brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209141913U true CN209141913U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821815551.3U Expired - Fee Related CN209141913U (en) | 2018-11-06 | 2018-11-06 | A kind of small size air rail Vehicular brake device |
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| CN (1) | CN209141913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278565A (en) * | 2018-11-06 | 2019-01-29 | 西南交通大学 | A kind of small size air rail Vehicular brake device and its braking method |
-
2018
- 2018-11-06 CN CN201821815551.3U patent/CN209141913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278565A (en) * | 2018-11-06 | 2019-01-29 | 西南交通大学 | A kind of small size air rail Vehicular brake device and its braking method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20211106 |