CN107425756A - A kind of raise scaffold intelligent driving system - Google Patents
A kind of raise scaffold intelligent driving system Download PDFInfo
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- CN107425756A CN107425756A CN201710422475.3A CN201710422475A CN107425756A CN 107425756 A CN107425756 A CN 107425756A CN 201710422475 A CN201710422475 A CN 201710422475A CN 107425756 A CN107425756 A CN 107425756A
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- 239000000463 material Substances 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims description 36
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 11
- 230000005484 gravity Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
The present invention discloses a kind of raise scaffold intelligent driving system, several raise scaffold intelligent motor drivers being connected respectively with central control unit including central control unit and by Ethernet fieldbus, each raise scaffold intelligent motor driver one raise scaffold motor of corresponding control, raise scaffold intelligent motor driver is AFE energy feedback types intelligent driver or DBU kinetic energy brake intelligent drivers, the height that each raise scaffold motor passes through raise scaffold intelligent motor driver intelligent control raise scaffold corresponding material carrying platform, it is consistent the height of several material carrying platforms.The present invention can accurately control the position of each raise scaffold intelligent motor driver by Ethernet fieldbus, it is ensured that the height of multiple material carrying platforms is consistent, and has been inherently eliminated each section of stress, securely and reliably, and starting current is small, cost is low, and stability is high.
Description
Technical field
The present invention relates to raise scaffold technical field, more particularly to a kind of raise scaffold intelligent driving system.
Background technology
Raise scaffold is to ride upon certain altitude and be attached to a kind of liter by itself on outer wall structure of building
Equipment and device drop, and it successively can climb or decline with engineering structure, be provided with overturn-preventing, falling proof device.Lift pin hand
Frame mainly by attached lifting scaffold frame structure, attachment support, anti-tilt device, falling proof device, elevating mechanism and driving and
Control device is formed.As shown in figure 1, M1~M7 is cone rotor asynchronous machine, electric block is commonly called as, comes with brake apparatus,
Work as system cut-off, can brake automatic band-type brake immediately；S1~S6 is material carrying platform, and motor M1~M7 rotates forward operation, S1~S6
Material carrying platform rises, and motor M1~M7 reversion operations, S1~S6 materials carrying platform declines, and motor M1~M7 is shut down, S1
~S6 materials carrying platform keeps current location constant；H1~H6 is hanging down for the centroidal distance horizontal foundation of first paragraph to the 6th section
Straight distance；And the core control thought of raise scaffold is to make as far as possible：H1 ≌ H2 ≌ H3 ≌ H4 ≌ H5 ≌ H6, so
The security of integral platform is can ensure that, if H1 ≠ H2 ≠ H3 ≠ H4 ≠ H5 ≠ H6, will necessarily be produced between platform S1~S6 should
Power, and differ that more big then stress is bigger between H1~H6, when stress reaches certain degree, will to influence scaffold overall
Security, even result in scaffold and wholly or partially cave in, cause construction accident.
Traditional control program is to install weighing sensor additional in S1~S6 sections, because S1~S6 sections are held during practice of construction
Be present larger deviation in weight of material G1~G6 of load, therefore so can not simply be controlled using G1 ≌ G2 ≌ G3 ≌ G4 ≌ G5 ≌ G6
Algorithm processed.Again because weighing sensor None- identified is weight caused by (imbalance) stress between weight caused by material or each section
Amount, therefore rough Controlling model can only be used.Its major control thought is：When the gravity for detecting this section reaches warning value,
The motor of this section is shut down, and until the gravity value of this section recovers normal level, motor restarts again.
In summary, traditional control program, following defect be present：
1st, using gravity sensor, shut down using higher limit, the rough control thought that normal value is restarted, it is impossible to avoid S1
Stress caused by (imbalance) between each section of~S6, therefore certain potential safety hazard be present；
2nd, the rotating of M1~M7 motors is directly controlled using contactor, starting current (can reach the 4-7 of rated current greatly
Times), the mechanical shock of system is big, has a strong impact on the mechanically and electrically device life-span of equipment；
3rd, when under system Electrical Discharge Machine be in generating state, the electric energy harmonic wave issued is big, and the pollution to power network is big.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of starting current is small, cost, stability are saved
Height, securely and reliably, the raise scaffold intelligent driving system of accurate location control function can be realized.
Technical scheme is as follows：A kind of raise scaffold intelligent driving system, including central control unit with
And several raise scaffold intelligent motor drivers being connected respectively with central control unit by Ethernet fieldbus,
Each raise scaffold intelligent motor driver one raise scaffold motor of corresponding control, the raise scaffold motor
Intelligent driver is AFE energy feedback types intelligent driver or DBU kinetic energy brake intelligent drivers, each raise scaffold
Motor passes through the raise scaffold intelligent motor driver intelligent control raise scaffold corresponding material carrying platform
Highly, it is consistent the height of several material carrying platforms.
Further, the AFE energy feedback types intelligent driver includes being connected to power network and raise scaffold in turn
The first buffer cell, LCL filter units, PWM rectification units and the first inversion unit between motor, the PWM rectifications list
The first electrochemical capacitor is connected between member and the first inversion unit, the power network current is whole by first buffer cell, PWM
Flow unit to charge to first electrochemical capacitor, the PWM rectification units, the first inversion unit are brilliant using insulated gate bipolar
Body pipe, the PWM rectification units are when the voltage for detecting the first electrochemical capacitor is higher than setting value, by first electrochemical capacitor
Electric energy first inversion is passed through by the LCL filter units feedback grid, the AFE energy feedback types intelligent driver
Unit is controlled to corresponding raise scaffold motor, and by electric energy feedback caused by the decentralization of material carrying platform to the
On one electrochemical capacitor.
Further, first buffer cell includes pre-charge resistance, and the pre-charge resistance is at upper electric initial stage to institute
State the charging of the first electrochemical capacitor.
Further, the current input terminal of the PWM rectification units is connected with the first ACR electric current loop adjusters, and described
The voltage output end of one electrochemical capacitor is connected with the first ASR velocity loop regulators, the first ASR velocity loop regulators and first
ACR electric current loop adjusters are connected.
Further, the first encoder, the electricity of first inversion unit are provided with the raise scaffold motor
Stream output end is connected with the 2nd ACR electric current loop adjusters, and first encoder is connected with the first APR position rings adjuster and the
Two ASR velocity loop regulators, the first APR position rings adjuster, the 2nd ASR velocity loop regulators and the 2nd ACR electric current loops
Adjuster is connected.
Further, the DBU kinetic energy brakes intelligent driver includes being connected to power network and raise scaffold in turn
Rectification unit, the second buffer cell, brake unit and the second inversion unit between motor, the brake unit and second inverse
The second electrochemical capacitor is connected between change unit, the power network current passes through the rectification unit, the second buffer cell and braking
Unit charges to second electrochemical capacitor, and the rectification unit uses diode three-phase bridge rectification circuit, and described second is inverse
Become unit and use insulated gate bipolar transistor, the DBU kinetic energy brakes intelligent driver passes through second inversion unit
Corresponding raise scaffold motor is controlled, and electric energy feedback caused by the decentralization of material carrying platform is electric to second
Solve on electric capacity.
Further, the brake unit includes braking resistor, and the brake unit is detecting the second electrochemical capacitor
When voltage is higher than setting value, the braking resistor is connected to consume unnecessary electric energy.
Further, second encoder, the electricity of second inversion unit are provided with the raise scaffold motor
Stream output end is connected with the 3rd ACR electric current loop adjusters, and the second encoder is connected with the 2nd APR position rings adjuster and the
Three ASR velocity loop regulators, the 2nd APR position rings adjuster, the 3rd ASR velocity loop regulators and the 3rd ACR electric current loops
Adjuster is connected.
Further, in addition to display operating unit, the display operating unit pass through Ethernet fieldbus and center
Control unit connects.
Further, in addition to wireless router and Homeplug, the wireless router is connected with Homeplug signal, described
Ethernet communication signal is sent to raise scaffold intelligent motor driver, institute by Homeplug by way of power line carrier
State wireless router and pass through intelligent scaffold APP Access Control networks.
Relative to prior art, the beneficial effects of the present invention are：The present invention include central control unit and by with
Several raise scaffold intelligent motor drivers that too net fieldbus is connected with central control unit respectively, each lifting
Formula scaffold intelligent motor driver one raise scaffold motor of corresponding control, the central control unit are showed by Ethernet
Field bus can accurately control the position of each raise scaffold intelligent motor driver, it is ensured that multiple material carrying platforms
Highly it is consistent, has been inherently eliminated each section of stress, securely and reliably, the raise scaffold intelligent motor driver
AFE energy feedback types intelligent driver or DBU kinetic energy brake intelligent drivers can be used, there is advantages below：
1st, starting current is small, flexible start and stop, to system without impact, substantially prolongs the use of plant machinery and electrical equipment
Life-span；
2nd, can be automatically by electric energy feedback power network caused by scaffold decline process, and back voltage and current waveform tend to
Perfect sinusoidal, voltage harmonic aberration rate UTHD<1.5%, Current harmonic distortion rate ITHD<3%, comply fully with national grid quality
Standard；
3rd, Torque test function is carried, can save G1~G6 gravity sensors, it is cost-effective while ensure that system is more steady
It is fixed reliable；
4th, the various defencive functions such as phase shortage, excessively stream, overload, overvoltage, under-voltage, excess temperature, short circuit are carried, it is ensured that system is more pacified
It is complete reliable；
5th, electric current loop, speed ring, position ring pi regulator are carried, outside with encoder, accurate location control work(can be realized
Energy.
Brief description of the drawings
Fig. 1 is the fundamental diagram of raise scaffold；
Fig. 2 is a kind of control principle drawing of raise scaffold intelligent driving system described in the embodiment of the present invention；
Fig. 3 is the control principle drawing of AFE energy feedback types intelligent driver described in the embodiment of the present invention；
Fig. 4 is the control principle drawing of DBU kinetic energy brakes intelligent driver described in the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
It refer to Fig. 2, a kind of raise scaffold intelligent driving system of the invention, including central control unit and lead to
Several raise scaffold intelligent motor drivers that Ethernet fieldbus is connected with central control unit respectively are crossed, it is each
The corresponding raise scaffold motor M1~M7 of control one of raise scaffold intelligent motor driver, each raise scaffold electricity
The height that machine passes through the raise scaffold intelligent motor driver intelligent control raise scaffold corresponding material carrying platform
Degree, is consistent the height of several material carrying platforms.Central control unit can be accurately by Ethernet fieldbus
Control the position of each raise scaffold intelligent motor driver, system transmission delay<50 μ s, position deviation≤5mm, it is ensured that
H1 ≌ H2 ≌ H3 ≌ H4 ≌ H5 ≌ H6, have been inherently eliminated each section of S1~S6 stress, raise scaffold system is more pacified
It is complete reliable.
The raise scaffold intelligent driving system also includes display operating unit, and display operating unit passes through Ethernet
Fieldbus is connected with central control unit.Single crawl lifting can be carried out to each section in manipulation or is declined to control,
Platform can also integrally be lifted or decline control；Can be shown in display each motor M1~M7 running current,
Output torque, each section of material carrying platform S1~S6 lifting gravity value G1~G6 and each section of material carrying platform S1~
S6 present position values H1~H6, fault alarm information, and history run curve and parameter.Operation is flexible, and display is abundant.
The raise scaffold intelligent driving system also includes wireless router and Homeplug, wireless router and electric power
Cat signal is connected, and ethernet communication signal is sent to raise scaffold motor intelligence by Homeplug by way of power line carrier
Energy driver, wireless router, can be by being provided with intelligent scaffold APP's by intelligent scaffold APP Access Control networks
Mobile phone directly controls the lifting of the landing stage of scaffold, easily, convenient.
In embodiment, the raise scaffold intelligent motor driver can use AFE energy feedback type intelligent drivers
Or DBU kinetic energy brake intelligent drivers.
If Fig. 3 is the control principle drawing of AFE energy feedback type intelligent drivers, the AFE energy feedback type intelligent drivers
Including the first buffer cell, LCL filter units, PWM rectification lists being connected in turn between power network and raise scaffold motor
Member and the first inversion unit, are connected with the first electrochemical capacitor, power network current leads between PWM rectification units and the first inversion unit
Cross the first buffer cell, PWM rectification units charge to the first electrochemical capacitor：
Wherein, the function of first buffer cell is the charging of limitation electrochemical capacitor in a period of time of initial power-on
Electric current, prevent that electric current is excessive, damage electrochemical capacitor, its working mechanism was to electrolysis in upper electricity a period of time by pre-charge resistance
Electric capacity charges, and when charging to a certain extent, contactor adhesive is shorted out pre-charge resistance, normal operating conditions, by contacting
Device is to system power supply.
The main function of LCL filter units is that the electric energy of PWM rectification unit feedbacks is filtered into processing, complies with state
Family's power network quality standard.
PWM rectification units employ insulated gate bipolar transistor as main switching device, can realize the two-way of energy
Flowing, when the voltage for detecting electrochemical capacitor is higher than setting value, automatically by the electric energy feedback power network of electrochemical capacitor, and is supervised in real time
The phase and phase sequence of line voltage are surveyed, is consistent amplitude, frequency, phase, the phase sequence of back voltage and line voltage；Work as electricity
When the voltage of solution electric capacity is in normal range (NR), the AC energy rectification of power network is supplied into electrochemical capacitor automatically.
First inversion unit equally employs insulated gate bipolar transistor as main switching device, according to the control of system
Instruction, the speed of raise scaffold motor and the position of the corresponding workshop section of scaffold (S1, S2, S3, S4, S5, S6) are controlled, and
By on electric energy feedback caused by the decentralization of material carrying platform to the first electrochemical capacitor.
The current input terminal of PWM rectification units is connected with the first ACR electric current loop adjusters, and the voltage of the first electrochemical capacitor is defeated
Go out end and be connected with the first ASR velocity loop regulators, the first ASR velocity loop regulators are connected with the first ACR electric current loop adjusters.
The first encoder is provided with raise scaffold motor, the current output terminal of the first inversion unit is connected with second
ACR electric current loop adjusters, the first encoder are connected with the first APR position rings adjuster and the 2nd ASR velocity loop regulators, and first
APR position rings adjuster, the 2nd ASR velocity loop regulators are connected with the 2nd ACR electric current loop adjusters.
In summary, the AFE energy feedback types intelligent driver can directly drive M1~M7, and starting current is small (to be no more than
1.2 times of rated current), flexible start and stop, to system without impact, it substantially prolongs plant machinery and the service life of electrical equipment.
AFE energy feedback types intelligent driver can be by electric energy feedback power network caused by scaffold decline process, and feedback
Voltage and current waveform tends to perfect sinusoidal, voltage harmonic aberration rate UTHD<1.5%, Current harmonic distortion rate ITHD<3%, it is complete
Meet national grid quality standard entirely.
AFE energy feedback type intelligent drivers carry Torque test function, can save G1~G6 gravity sensors, save into
This while, ensures that system is more stable reliable.
AFE energy feedback type intelligent drivers carry the various guarantors such as phase shortage, excessively stream, overload, overvoltage, under-voltage, excess temperature, short circuit
Protective function, it is ensured that system is more safe and reliable.
AFE energy feedback type intelligent drivers carry electric current loop, speed ring, position ring pi regulator, outside with encoder, energy
Realize accurate location control function.
If Fig. 4 is the control principle drawing of DBU kinetic energy brake intelligent drivers, the DBU kinetic energy brake intelligent drivers
Including be connected in turn between power network and raise scaffold motor rectification unit, the second buffer cell, brake unit and
Second inversion unit, is connected with the second electrochemical capacitor between brake unit and the second inversion unit, power network current passes through rectification list
Member, the second buffer cell and brake unit charge to the second electrochemical capacitor：
Wherein, the rectification unit uses diode three-phase bridge rectification circuit, is intelligently driven relative to AFE energy feedback types
The scheme of dynamic device, cost is lower, but does not have energy feedback function.
The function of second buffer cell is that the charging current of limitation electrochemical capacitor, is prevented in a period of time of initial power-on
Electric current is excessive, damages electrochemical capacitor, its working mechanism is to be charged in upper electricity a period of time by pre-charge resistance to electric capacity, when filling
Electricity to a certain extent when, contactor adhesive is shorted out pre-charge resistance, normal operating conditions, by contactor to system power supply.
Brake unit, when detecting that DC loop busbar voltage is higher than setting value (general 700v), braking resistor is connected,
Unnecessary electric energy is consumed, to make DC loop control prevent electrochemical capacitor and other device mistakes within suitable voltage range
Crushing is bad.
Second inversion unit, insulated gate bipolar transistor is employed as main switching device, is referred to according to the control of system
Order, the speed of raise scaffold motor and the position of the corresponding workshop section of scaffold (S1, S2, S3, S4, S5, S6) are controlled, and will
Electric energy feedback is on the second electrochemical capacitor caused by the decentralization of material carrying platform.
In summary, the DBU kinetic energy brakes intelligent driver can directly drive M1~M7, and starting current is small (to be no more than
1.2 times of rated current), flexible start and stop, to system without impact, it substantially prolongs plant machinery and the service life of electrical equipment.
DBU kinetic energy brake intelligent drivers carry Torque test function, can save G1~G6 gravity sensors, save into
This while, ensures that system is more stable reliable.
DBU kinetic energy brake intelligent drivers carry the various guarantors such as phase shortage, excessively stream, overload, overvoltage, under-voltage, excess temperature, short circuit
Protective function, it is ensured that system is more safe and reliable.
DBU kinetic energy brake intelligent drivers carry electric current loop, speed ring, position ring pi regulator, outside with encoder, energy
Realize accurate location control function.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. raise scaffold intelligent driving system, it is characterised in that：Including central control unit and pass through Ethernet Several raise scaffold intelligent motor drivers that fieldbus is connected with central control unit respectively, each lift pin Hand cradle intelligent motor driver one raise scaffold motor of corresponding control, the raise scaffold intelligent motor driver are AFE energy feedback types intelligent driver or DBU kinetic energy brake intelligent drivers, each raise scaffold motor pass through described The height of raise scaffold intelligent motor driver intelligent control raise scaffold corresponding material carrying platform, makes several The height of material carrying platform is consistent.
- A kind of 2. raise scaffold intelligent driving system according to claim 1, it is characterised in that：The AFE energy Feedback type intelligent driver includes the first buffer cell, the LCL filters being connected in turn between power network and raise scaffold motor Ripple unit, PWM rectification units and the first inversion unit, is connected between the PWM rectification units and the first inversion unit One electrochemical capacitor, the power network current are filled by first buffer cell, PWM rectification units to first electrochemical capacitor Electricity, the PWM rectification units, the first inversion unit use insulated gate bipolar transistor, and the PWM rectification units are detecting When being higher than setting value to the voltage of the first electrochemical capacitor, the electric energy of first electrochemical capacitor is passed through into the LCL filter units Feedback grid, the AFE energy feedback types intelligent driver is by first inversion unit to corresponding raise scaffold Motor is controlled, and by electric energy feedback caused by the decentralization of material carrying platform to the first electrochemical capacitor.
- A kind of 3. raise scaffold intelligent driving system according to claim 2, it is characterised in that：First buffering Unit includes pre-charge resistance, and the pre-charge resistance charged at upper electric initial stage to first electrochemical capacitor.
- A kind of 4. raise scaffold intelligent driving system according to claim 2, it is characterised in that：The PWM rectifications The current input terminal of unit is connected with the first ACR electric current loop adjusters, and the voltage output end of first electrochemical capacitor is connected with First ASR velocity loop regulators, the first ASR velocity loop regulators are connected with the first ACR electric current loop adjusters.
- A kind of 5. raise scaffold intelligent driving system according to claim 2, it is characterised in that：The lift pin The first encoder is provided with hand cradle motor, the current output terminal of first inversion unit is connected with the 2nd ACR electric current loops tune Device is saved, first encoder is connected with the first APR position rings adjuster and the 2nd ASR velocity loop regulators, the first APR Position ring adjuster, the 2nd ASR velocity loop regulators are connected with the 2nd ACR electric current loop adjusters.
- A kind of 6. raise scaffold intelligent driving system according to claim 1, it is characterised in that：The DBU energy consumptions Braking type intelligent driver includes rectification unit, the second buffering list being connected in turn between power network and raise scaffold motor Member, brake unit and the second inversion unit, are connected with the second electrochemical capacitor between the brake unit and the second inversion unit, The power network current is charged by the rectification unit, the second buffer cell and brake unit to second electrochemical capacitor, institute To state rectification unit and use diode three-phase bridge rectification circuit, second inversion unit uses insulated gate bipolar transistor, The DBU kinetic energy brakes intelligent driver is controlled by second inversion unit to corresponding raise scaffold motor System, and by electric energy feedback caused by the decentralization of material carrying platform to the second electrochemical capacitor.
- A kind of 7. raise scaffold intelligent driving system according to claim 6, it is characterised in that：The brake unit Including braking resistor, the brake unit is when the voltage for detecting the second electrochemical capacitor is higher than setting value, the braking resistor Connect to consume unnecessary electric energy.
- A kind of 8. raise scaffold intelligent driving system according to claim 6, it is characterised in that：The lift pin Second encoder is provided with hand cradle motor, the current output terminal of second inversion unit is connected with the 3rd ACR electric current loops tune Device is saved, the second encoder is connected with the 2nd APR position rings adjuster and the 3rd ASR velocity loop regulators, the 2nd APR Position ring adjuster, the 3rd ASR velocity loop regulators are connected with the 3rd ACR electric current loop adjusters.
- A kind of 9. raise scaffold intelligent driving system according to claim 1, it is characterised in that：Also include display behaviour Make unit, the display operating unit is connected by Ethernet fieldbus with central control unit.
- A kind of 10. raise scaffold intelligent driving system according to claim 1, it is characterised in that：Also include wireless Router and Homeplug, the wireless router are connected with Homeplug signal, and the Homeplug is by way of power line carrier Ethernet communication signal is sent to raise scaffold intelligent motor driver, the wireless router passes through intelligent scaffold APP Access Control networks.
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| CN201710422475.3A CN107425756A (en) | 2017-06-07 | 2017-06-07 | A kind of raise scaffold intelligent driving system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161907A (en) * | 2019-05-14 | 2019-08-23 | 山西航天清华装备有限责任公司 | A kind of promotion frame control system and its control method based on direct current generator push rod |
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