CN206502550U - Foot-operated frequency conversion brakes and intelligent controlling device - Google Patents
Foot-operated frequency conversion brakes and intelligent controlling device Download PDFInfo
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- CN206502550U CN206502550U CN201621487670.1U CN201621487670U CN206502550U CN 206502550 U CN206502550 U CN 206502550U CN 201621487670 U CN201621487670 U CN 201621487670U CN 206502550 U CN206502550 U CN 206502550U
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Abstract
The utility model is related to foot-operated frequency conversion brakes and intelligent controlling device, brakes includes brake and control device, control device includes control module, frequency converter, the pedal aperture output module for exporting braking footrest opening amount signal, stand-by power supply, controlling switch and the voltage detection module for detecting alternating current generator electrical source of power, the signal output part of control module sampling connection voltage detection module and pedal aperture output module, control module output connection frequency converter, the output end control connection alternating current generator of frequency converter；Back-up source is powered by controlling switch and connects auxiliary direct current machine, control module control connection controlling switch, for when alternating current generator electrical source of power dead electricity, control auxiliary direct current machine starts to realize that standby is braked, ensure the braking reliability of whole brakes, prevent because can not brake band come security incident situation.
Description
Technical field
The utility model is related to foot-operated frequency conversion brakes and intelligent controlling device, belongs to the intelligence of foot-operated frequency conversion brake
Control field.
Background technology
Traditional door mechanism is dynamic all to use hydraulic braking or electro-hydraulic brake.It is completely dependent on operation driver's qualification and goes control
, it is necessary to which when braking, operation driver steps on pedal in braking, door machine rotary course, the amplitude stepped on according to pedal, control
Hydraulic oil is pumped into brake, and brake does the brake sticking brake of corresponding proportion.
Because whole system is that pedal is controlled with hydraulic circuit, often occurs oil path failure in use, occur close
Feng Buyan, leakage etc., cause brake fade.Hydraulic control circuit is installed, safeguards that cumbersome fault rate is very high.And the revolution of door machine is made
Inertia is big during industry, and braking strength is difficult control, causes whole door machine to rock acutely, causes very big to motor shaft and revolution gearbox
Damage；Harbour is in the case where wind is big, if operation driver does not slam pedal, slew gear is just easy to be blown, deposited
In very big potential safety hazard.
As portal crane lifting amount and scale constantly expand, traditional foot-operated hydraulic braking can not have been met greatly gradually
The requirement of type crane rotation, urgent need wants a kind of brake force big, and braking is steady, and operate easily foot-operated frequency conversion brake.
One entitled《A kind of Novel pedal frequency conversion becomes power brake》Opinion be disclosed herein a kind of TYW-B frequency conversion become
Power brake, the brake includes brake bracket, exchange pusher, auxiliary direct current machine and control device etc., and wherein brake bracket is
The braking core of the brake, realizes braking, the brake bracket generally comprises two parts, and a part is by braking the arm of force
AC brake mechanism, another part is DC injection braking structure, and exchange pusher is connected with AC brake mechanism machine driving, is passed through
Alternating current generator in exchange pusher drives the AC brake mechanism action to realize braking；Auxiliary direct current machine and DC injection braking
Mechanism machine driving connection, by DC motor Driver DC injection braking mechanism to realize standby auxiliary braking.Although in the paper
The associated mechanical structure of TYW-B brakes is given, still, is not provided for the control system that realization is automatically controlled, a root
It is that can not realize that braking is automatically controlled according to the material in the paper.
Utility model content
The purpose of this utility model is to provide a kind of foot-operated frequency conversion brakes, can not be real for solving existing brake
The problem of existing Braking mode is controlled.The utility model provides a kind of foot-operated frequency conversion braking intelligent controlling device simultaneously.
To achieve the above object, scheme of the present utility model include a kind of foot-operated frequency conversion brakes, including brake and
Control device, the brake includes having alternating current generator, the friendship in exchange pusher and auxiliary direct current machine, exchange pusher
Pusher machine driving connection AC brake mechanism is flowed, the auxiliary direct current machine machine driving connects DC injection braking structure, institute
Stating control device includes control module, frequency converter, the pedal aperture output module for exporting braking footrest opening amount signal, standby
With power supply, controlling switch and the voltage detection module for detecting the alternating current generator electrical source of power, the control module sampling
The signal output part of the voltage detection module and the pedal aperture output module is connected, the control module output connection becomes
Frequency device, the output end control connection alternating current generator of frequency converter；The back-up source is powered connection by the controlling switch
The auxiliary direct current machine, the control module control connection controlling switch, for when the alternating current generator electrical source of power
During dead electricity, control the auxiliary direct current machine to start to realize that standby is braked.
The stand-by power supply is UPS.
The control module is PLC.
The control module, frequency converter, stand-by power supply and controlling switch are assemblied in a control cabinet.
A kind of foot-operated frequency conversion braking intelligent controlling device, including control module, frequency converter, open for exporting braking footrest
The alternating current that the pedal aperture output module of degree signal, stand-by power supply, controlling switch are exchanged with for detection in pusher is motor-driven
The voltage detection module of power power supply, the control module sampling connects the voltage detection module and pedal aperture output mould
The signal output part of block, the control module output connection frequency converter, the output end of frequency converter is used to control the connection exchange
Motor；The back-up source connects one end of the controlling switch, and the other end of the controlling switch is used for connection auxiliary of powering
Direct current generator, the control module control connection controlling switch, for when the alternating current generator electrical source of power dead electricity, controlling
The auxiliary direct current machine is made to start to realize that standby is braked.
The stand-by power supply is UPS.
The control module is PLC.
The control module, frequency converter, stand-by power supply and controlling switch are assemblied in a control cabinet.
Brake in the foot-operated frequency conversion brakes that the utility model is provided is to be provided with two braking motors, Mei Ge electricity
Machine is respectively connected with corresponding arrestment mechanism, and alternating current generator is conventional brake mode, also, voltage detection module detects exchange in real time
Motor power power supply, if alternating current generator dead electricity, control module automatically controls direct current generator and carries out secondary backup braking.So,
The brakes is not only able to realize automatically controlling for braking, and can realize two kinds of brakings, when conventional brake can not be realized
When, in order to prevent the security incident because that can not braking and bringing, control module automatically controls auxiliary braking and worked immediately, realizes tight
Anxious braking, therefore, the brakes ensure that braking reliability, prevent because can not brake band security incident feelings
Condition.
Brief description of the drawings
Fig. 1 is pedal brake control device structured flowchart；
Fig. 2 is the main circuit schematic diagram of alternating current generator and direct current generator；
Fig. 3 is Fig. 2 rough schematic view.
Embodiment
Foot-operated frequency conversion brake system embodiment
In the present embodiment, riding frequency conversion brakes mainly includes two parts：A part is brake, and another part is intelligence
Energy control device, control device controls the operation of the brake.Wherein, make when brake is mainly harbour, stevedoring goods
Crane, the brake risen in the rotary braking systems such as overhang-door machine, such as drum brake, TYW-B ride frequency conversion braking
Device etc..The brake has two kinds of modes of braking, is AC brake and DC injection braking respectively, wherein, the equipment for realizing AC brake
Including exchange pusher and supporting AC brake mechanism, the main composition of exchange pusher is alternating current generator, alternating current generator machine
Tool drive connection AC brake mechanism；DC injection braking is auxiliary mode of braking, realizes the equipment of DC injection braking and includes direct current generator
With supporting DC injection braking mechanism, direct current generator machine driving connection DC injection braking mechanism.Under normal circumstances, alternating current generator is utilized
Braking is realized, when alternating current generator can not be braked, direct current generator realizes standby auxiliary braking.
In the present embodiment, brake is that existing TYW-B rides frequency conversion brake, certainly, in addition to TYW-B brakes,
As long as being provided with the alternating current generator and direct current generator with said function in brake, then, the brake is also new in this practicality
Within the protection domain of type.
It is exactly the demand for answering existing market that TYW-B, which rides frequency conversion brake, using international advanced Programmable logical controller
Device realizes its multiple protective and perfect automatically control and substitute early stage hydraulic brake version.So, the utility model is provided
Pedal brake control device use Intelligent programmable logic control, simple with peripheral structure, it is easy to Operation and Maintenance, fault rate
Low feature.
Because brake part belongs to prior art, the present embodiment emphasis is illustrated to control device.
Control device includes two parts, respectively main brake control section and auxiliary braking control section.
Main brake control section includes pedal aperture output module, control module and frequency converter, wherein, the output of pedal aperture
Module is used for the opening information for detecting braking footrest, certainly, if braking footrest is one with pedal aperture output module
If, then braking footrest falls within a part of the main brake control section.The pedal aperture output module is exported
The voltage signal (can be analog signalses, or digital quantity signal) proportional to pedal aperture.Because the pedal is opened
Degree output module belongs to routine techniques, no longer specifically describes here.
Control module is the control core of the control device, and the present embodiment is by taking PLC as an example.It is of course also possible to be other classes
The control chip of type, such as single-chip microcomputer.
Frequency converter is conventional frequency converter, and the present embodiment is just no longer illustrated.
As shown in figure 1, signal output part output connection PLC, PLC the output connection frequency converter of pedal aperture output module,
Alternating current generator in the output end output control connection exchange pusher of frequency converter.
When needing braking, operating personnel step on braking footrest, and pedal aperture output module will be to PLC outputs with stepping on
The corresponding voltage signal of plate aperture, after PLC is handled the voltage signal, corresponding control signal is exported to frequency converter,
Frequency converter is electric by input AC using the frequency conversion function and control signal corresponding with the opening amount signal of braking footrest of itself
(i.e. electrical source of power) is converted to the alternating-current variable frequency power of the corresponding frequencies in 0-50Hz of correspondence, and the AC frequency conversion electricity output is given
Alternating current generator, causes alternating current generator to carry out corresponding actions, realizes AC brake.Pedal aperture is proportional to brake force, steps on and steps on
The brake force proportional to pedal aperture can be produced during plate, so, the control device can realize flexible braking.
Auxiliary braking control section is also referred to as standby control for brake part, and the part includes voltage detection module and standby electricity
Source, wherein, voltage detection module is conventional voltage check device, such as AC voltage transformer, for detecting alternating current generator
Electrical source of power, the voltage check device can be arranged on the feeder ear of the ac output end of frequency converter, i.e. alternating current generator.Standby
Power supply is used for provide direct current energy, and in order to ensure uninterrupted power supply, the back-up source uses UPS；In addition, the back-up source can
To be rectifier, by by AC rectification into direct current, for using, or, the back-up source for Large Copacity energy storage fill
Put.
In addition, in order to ensure being smoothed out for standby braking, back-up source is also available for electrically connecting PLC, between being provided not for PLC
Power-off source, realizes reliable control.
Back-up source, which is powered, to be connected in auxiliary direct current machine, the supply line between back-up source and auxiliary direct current machine
String is provided with controlling switch, such as relay, PLC controls connect the controlling switch, realize the power supply control to back-up source.
For the ease of unified management, can by control device except pedal aperture output module and voltage check device it
Outer other parts：PLC, frequency converter and back-up source, controlling switch etc. are assemblied in a control cabinet.
Conventional brake is realized in main brake control section, when the electrical source of power dead electricity of alternating current generator, such as frequency converter failure not
When can export alternating current, the voltage that voltage check device detects alternating current generator electrical source of power is 0, now, and frequency converter is without electricity
It can export, alternating current generator can not just realize braking.In order to ensure safety arrestment in this case, the hair of security incident is prevented
Raw, PLC control controlling switch closures, back-up source is powered for auxiliary direct current generator, and DC motor Driver DC injection braking mechanism is moved
Make, realize that backup emergency is braked, realize and reliable braking still is able under electrical source of power powering-off state.So, met surprisingly when prominent
When causing electrical source of power outage condition, braked by standby, it is ensured that safety arrestment.
So, under normal circumstances, normal brake application is realized using frequency converter and AC brake mechanism, when electrical source of power dead electricity
When immediately cut-in stand-by brake, using stand-by power supply for auxiliary direct current generator power, realize emergency brake.
Fig. 2 gives the main circuit diagram of alternating current generator and direct current generator, and the circuit diagram is alternating current generator and direct current generator
One of which power supply mode, not to the utility model provide brakes constitute it is any limit.As shown in Fig. 2 motor
M1 and M2 is direct current generator, and motor M3 and M4 are alternating current generator, also, in order to be further ensured that reliable braking, motor M1 and M2
Between redundancy set, wherein any one direct current generator be can be achieved DC injection braking；Redundancy is set between motor M3 and M4, wherein
Any one alternating current generator is that AC brake can be achieved.Fig. 3 is Fig. 2 simplification figure.
The long period is needed to brake in addition, working as operating personnel, but when being unwilling to step on braking footrest always, PLC journeys
As long as sequence automatically detects braking footrest and continuously stepped on more than certain time, AC brake mechanism continuous braking is automatically controlled,
Until operating personnel release braking, so, which is without manually continuing pedal brake.
In order to be further ensured that safety, After Hours, system cut-off, back-up source is automatically engaged operating personnel, direct current generator
Drive the delay of DC injection braking mechanism or (can arbitrarily set) brakes immediately.DC injection braking mechanism is braked after the completion of locked action, and ten
If unattended after minute, back-up source can be automatically cut off.In addition, the control device can use intelligent identifying system, work as work
Work terminates, when electrical source of power is not turned off, and system is automatically into closing lock state after some seconds, it is ensured that safety.Moreover, can also be using electricity
Magnetic reactance countermeasure set, makes whole system not by external electromagnetic wave interference, brakes normal work.Further, can also be in braking
Device corresponding position sets corresponding sensor, each sensor by the signal output collected to PLC, it is real under PLC control
The multiple protective of existing brake.
Foot-operated frequency conversion braking intelligent controlling device embodiment
The control device is a part of foot-operated frequency conversion brakes, due to having been provided in said system embodiment
Explain, here just repeat no more.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This practicality
New basic ideas are the hardware configuration of above-mentioned foot-operated frequency conversion brakes and intelligent controlling device, for other portions
Point, such as the concrete structure of brake, and the embodiment of the control strategy of various optimizations belong to further embodiment party
Formula, does not make restriction to hardware configuration of the present utility model.In the case where not departing from principle of the present utility model and spirit
The change, modification, replacement and modification that embodiment is carried out are still fallen within protection domain of the present utility model.
Claims (8)
1. a kind of foot-operated frequency conversion brakes, including brake and control device, the brake include exchange pusher and auxiliary
Helping has alternating current generator in direct current generator, exchange pusher, the exchange pusher machine driving connection AC brake mechanism is described
Auxiliary direct current machine machine driving connects DC injection braking structure, it is characterised in that the control device includes control module, frequency conversion
Device, the pedal aperture output module for exporting braking footrest opening amount signal, stand-by power supply, controlling switch and for detecting
State the voltage detection module of alternating current generator electrical source of power, the control module sampling connection voltage detection module and described step on
The signal output part of plate aperture output module, the control module output connection frequency converter, the output end control connection of frequency converter
The alternating current generator；The back-up source is powered by the controlling switch and connects the auxiliary direct current machine, the control mould
The block control connection controlling switch, for when the alternating current generator electrical source of power dead electricity, controlling the auxiliary direct current machine
Start to realize that standby is braked.
2. foot-operated frequency conversion brakes according to claim 1, it is characterised in that the stand-by power supply is UPS.
3. foot-operated frequency conversion brakes according to claim 1, it is characterised in that the control module is PLC.
4. foot-operated frequency conversion brakes according to claim 1, it is characterised in that the control module, frequency converter, standby
Power supply and controlling switch are assemblied in a control cabinet.
5. a kind of foot-operated frequency conversion braking intelligent controlling device, it is characterised in that including control module, frequency converter, for exporting system
The pedal aperture output module of dynamic pedal opening amount signal, stand-by power supply, controlling switch are exchanged in pusher with for detecting
The voltage detection module of alternating current generator electrical source of power, the control module sampling connects the voltage detection module and the pedal
The signal output part of aperture output module, the control module output connection frequency converter, the output end of frequency converter is used for the company of control
Connect the alternating current generator；The back-up source connects one end of the controlling switch, and the other end of the controlling switch is used to supply
Electrically connect auxiliary direct current machine, the control module control connection controlling switch, for when the alternating current generator power electric
During the dead electricity of source, control the auxiliary direct current machine to start to realize that standby is braked.
6. foot-operated frequency conversion braking intelligent controlling device according to claim 5, it is characterised in that the stand-by power supply is
UPS。
7. foot-operated frequency conversion braking intelligent controlling device according to claim 5, it is characterised in that the control module is
PLC。
8. foot-operated frequency conversion braking intelligent controlling device according to claim 5, it is characterised in that the control module, change
Frequency device, stand-by power supply and controlling switch are assemblied in a control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487670.1U CN206502550U (en) | 2016-12-30 | 2016-12-30 | Foot-operated frequency conversion brakes and intelligent controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487670.1U CN206502550U (en) | 2016-12-30 | 2016-12-30 | Foot-operated frequency conversion brakes and intelligent controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206502550U true CN206502550U (en) | 2017-09-19 |
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ID=59838808
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621487670.1U Active CN206502550U (en) | 2016-12-30 | 2016-12-30 | Foot-operated frequency conversion brakes and intelligent controlling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109542082A (en) * | 2018-11-15 | 2019-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of train water robot fault-tolerant control system and method |
-
2016
- 2016-12-30 CN CN201621487670.1U patent/CN206502550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109542082A (en) * | 2018-11-15 | 2019-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of train water robot fault-tolerant control system and method |
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