CN107528383A - A kind of mine hoist super capacitor ups power device - Google Patents
A kind of mine hoist super capacitor ups power device Download PDFInfo
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- CN107528383A CN107528383A CN201710957957.9A CN201710957957A CN107528383A CN 107528383 A CN107528383 A CN 107528383A CN 201710957957 A CN201710957957 A CN 201710957957A CN 107528383 A CN107528383 A CN 107528383A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 170
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 23
- 230000001172 regenerating effect Effects 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000979 retarding effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001256 tonic effect Effects 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 lifts personnel Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
Abstract
The invention belongs to mine mine hoist apparatus field,Propose a kind of mine hoist super capacitor ups power device,Including frequency converter rectification unit,The two-way inversion unit of frequency converter,Unidirectional direct-current voltage conversion unit,First load transfer switchs,Second load transfer switchs,Super capacitor group unit,Super capacitor inversion unit and detection control module,Unidirectional direct-current voltage conversion unit is connected with mine hoist frequency changer direct current bus end and super capacitor group unit,Super capacitor group unit is connected with super capacitor inversion unit,Super capacitor inversion unit is connected by the first load transfer switch and the second load transfer switch with hoister control loop and winding houses lighting apparatus and maintenance crane gear respectively,Detect control module and Unidirectional direct-current voltage conversion unit,Super capacitor inversion unit,First load transfer switchs and the switch connection of the second load transfer.Energy-conserving and environment-protective of the present invention, it can be widely applied to mine hoist field.
Description
Technical field
The invention belongs to mine mine hoist apparatus field, and in particular to a kind of mine hoist super capacitor UPS
Supply unit.
Background technology
Mine hoist extensive use in the well construction equipment of mine, mainly undertake lifting mineral, lifts personnel, material and set
The task such as standby, it is the throat equipment of mine Mechatronic Systems, is directly related to the safety in production in mine.The supporting UPS electricity of elevator
Source device（Namely uninterrupted power supply(ups)）It is the key equipment for ensureing mine hoist safety operation, is mine hoist normal
In use when being unable to normal power supply caused by grid power blackout or electric power system failure, to meet that hoister control system data are not lost
Lose and can securely and reliably stop, and the back-up source of elevator master control system and safety arrestment electro-magnetic time-delay valve is provided.Press
According to country《Safety regulations in coal mine》It is required that mine hoist, when running into power outage and stopping in emergency, brake applies first
One-level braking moment, produce lifting system and meet《Safety regulations in coal mine》Defined deceleration, to ensure whole lifting system
Steadily, it is reliable to slow down.Then powered by stand-by power supply, after a period of time that is delayed（Or so 2-10 seconds, specific every is differed
Sample, to be calculated according to operating mode）Second level braking moment could all apply up, make mine hoist safely in quiet
Only dead ship condition.To ensure above-mentioned requirements, this delay time after power failure must also have stand-by power supply to be supplied to elevator master control
System and hydraulic station section solenoid valve system, ensure that this equipment component can also be normally according to technical requirements live line work.Therefore, ore deposit
Well elevator has to supporting one and meets certain capacity and the ups power device of delay time requirement, that is to say, that one
Elevator must be equipped with a ups power device.Especially when elevator uses in inclined shaft（It is especially used in the inclined shaft of small inclination
On）During being lifted up, once electric supply system powers off suddenly, if without back-up source, hoister control loop is lost
Electricity, elevator can not realize two stage braking, and brake for lifting machine will occur to apply the one-level brake hard of full braking force automatically,
Elevator is in the presence of the brake force, rapid parking, and the container lifted in running may proceed to again under inertia force effect
A up segment distance, hoisting container and elevator Asynchrony, it certainly will so cause to connect the lifting steel wire of above-mentioned two equipment
The slack rope of rope, after the inertia run up of container to be hoisted terminates, hoisting container again can in the presence of its deadweight, downwards from
By running, boom hoist cable bears larger impact tension, steel wire rope can be made injured because of impact, if steel wire rope there has been internal injury
May also be broken rope, so as to cause the generation of mine hoist driving disastrous accident.Therefore during safety arrestment, if pressing《Colliery
Safety code》Regulation, by three times static(al) away from brake force once put into, braking deceleration hardly consistent with code provide, very big
In degree, braking deceleration is excessive.For the elevator that speed is high, inertia is big, great impact can be caused to damage equipment.If
Using two stage braking, first order braking puts into a part of braking moment, meets braking deceleration《Safety regulations in coal mine》It is required that
Second level braking puts into whole brake force again after delay, so as to avoid appealing the accident that may occur.So both it ensure that
Safety, meets again《Safety regulations in coal mine》It is required that.Ups power device is exactly to provide mine hoist under normal circumstances to ensure electromagnetism
The 220V power supplys of compatible index, more importantly ensure mine hoist under powering-off state, using the teaching of the invention it is possible to provide hoister control system
Uniformly fix time and the standby electric energy of certain capacity be to ensure that mine hoist can implement time-delay double-stage braking under powering-off state,
Ensure mine hoist safe operation.
The ups power device that existing mine hoist uses is exactly the general ups power device of in the market, and the overwhelming majority is one
Device of the kind containing lead-acid battery energy storage, the uninterrupted power source using inverter as the constant voltage constant frequency of chief component.Work as civil power
When inputting normal, ups power device will be supplied to load to use after civil power voltage stabilizing, and ups power device now is exactly a friendship
Civil power voltage-stablizer is flowed, while its lead-acid battery also into machine charges；Work as commercial power interruption（Forced outage）When, UPS supply units are stood
The electric energy that lead-acid battery in machine is stored, the square normal load changed by inversion continue to supply 220V alternating currents, make load
Maintain normal work and protect load soft and hardware without damage.At present, uninterrupted power supply(ups) energy-storage travelling wave tube is more using plumbic acid electricity
Pond, but the pollution caused by lead-acid battery production process and subsequent recovery is very serious, lead-acid battery also has memory effect, storage
Electrical efficiency is bad and the average life of the energy-storage travelling wave tube also（2~3）Year or so, as user does not accomplish in time to the device
Maintenance and replacing, the safe operation of elevator just cannot effectively ensure that the battery can not be deposited for a long time in addition, when long
Between storage manually should periodically carry out the charge and discharge maintenance of battery, original performance can not be recovered during lead-acid battery power shortage, needed when discarding
Recovery, otherwise can cause environmental pollution, while battery also there are certain requirements to environment temperature.That is due to lead-acid battery sheet
The problems such as high pollution, short life, reliability caused by body be low, cause lead-acid battery ups power device to be not suitable with country
Now green, environmentally friendly, high-quality, efficient, energy-conservation and safety in production require that lithium electricity battery ups power device is than lead-acid battery UPS electricity
Source device is better, but its hot operation characteristic is bad（Easily blast）And expensive it is constrained in ups power device
On use.It is therefore desirable to develop a kind of mine that is green, environmentally friendly, high-quality, efficient, saving and meet safety in production requirement to carry
Rise the new ups power device of machine.
Mine hoist frequency converter operation principle is as shown in Figure 1.Mine hoist load is constant torque characteristic load.Loaded vehicle
When up, the electromagnetic torque of motor must pull against load resistive torque, also overcome certain quiet frictional force square during starting, at motor
In electronic working condition, first quartile is worked in.When loaded vehicle slows down, motor can be in reproduced state, work in the second quadrant.
When another row loaded vehicle is up, motor is in reverse motoring condition, is operated in third quadrant and fourth quadrant.In addition, account for total
When independent running tool or equipment are to underground when run time about 10%, motor is purely in second or fourth quadrant, now
Motor is for a long time in regenerative power generation state, it is necessary to effectively be braked.Substantial amounts of electricity will be consumed with dynamic braking mode
Energy；With regenerative braking mode, this part electric energy can be saved.But the energy of regenerative braking belongs to pollution power supply, power supply department one
As do not allow to do so.Add the braking scheme of energy consumption resistance from cheap dynamic braking unit more for this elevator.Fig. 1
Shown frequency converter band brake unit mode is exactly the most commonly used pattern of mine hoist frequency control.That is elevator is transported
Row process is exactly electric energy and the process of mechanical energy conversion, when the heavily loaded up or underloading of elevator is descending, it is necessary to be carried to elevator
Energy supply amount increases mechanical potential, and elevator converts electrical energy into mechanical potential, and elevator is in electronic power consumption state, and three is intersecting
Stream power supply becomes direct current by frequency converter rectification unit 1, and it is adjustable to be converted into frequency and voltage further through inversion device 2
The three-phase alternating current driving electric machine operation of section；When elevator underloading is up or heavily loaded descending, running needs to make machinery
Decrease of potential energy, elevator machinery gesture are converted to electric energy, and motor is in generating state.Other elevator is from high-speed cruising to braking
The process of stopping, it is the process of mechanical kinetic energy consumption, a portion kinetic energy is then converted to electric energy by elevator, and motor is in
Power generation process.Both of these case can all be such that electric energy caused by electric power generation process is reversed back to by the three phase inverter bridge of frequency converter
The DC terminal of frequency conversion, the generated energy of elevator motor 6 return to the both ends of filter capacitor 12 by inversion device 2, and storage is to directly
Flow inside filter capacitor C, and the finite capacity of DC capacitor, when electric energy is sufficiently large caused by motor, more than the appearance of DC capacitor
Amount, will cause DC capacitor to damage, so the electric energy part having more must consume.Conventional frequency conversion elevator handles this part
The method of electric energy is to install the brake unit 4 for including braking resistor additional at DC capacitor end, when the voltage at electric capacity both ends reaches necessarily
Value, brake unit 4 act, and unnecessary electric energy is converted to heat energy by braking resistor and is dispersed into the air.Mine hoist is transported daily
Row about 300 times or so, and often run once, many generated energies can be all produced, pass through brake unit bleeding off in vain.
For these reasons, it is necessary to propose possess section while researching and developing a kind of non-lead-acid battery class chemical change energy storage device
The ups power device of energy effect.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is：One kind is provided not only to have saved but also green
The mine hoist super capacitor ups power device that colour circle is protected, lift the reliability of mine hoist sure brake system.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of mine hoist super capacitor
Ups power device, including it is the two-way inversion unit of frequency converter rectification unit, frequency converter, Unidirectional direct-current voltage conversion unit, first negative
Change-over switch, the second load transfer switch, super capacitor group unit, super capacitor inversion unit and detection control module are carried, outside
Connect power supply after frequency converter rectification unit, inversion unit with mine hoist motor connection, the Unidirectional direct-current voltage
The input of converting unit is connected with mine hoist frequency changer direct current bus end, output end and the super capacitor group unit
Input is connected, and the output end of the super capacitor group unit is connected with the input of the super capacitor inversion unit, described
The output end of super capacitor inversion unit is connected by the first load transfer switch element with hoister control loop, is passed through
Second load transfer switchs to be connected with winding houses lighting apparatus and maintenance crane gear；The single-phase DC voltage conversion list
Member is used to charge into the super capacitor group unit after the DC voltage at dc bus end is changed, and the super capacitor is inverse
Become unit to be used to be converted to the dc source of super capacitor group unit output after 220V alternating currents to the elevator control
Loop processed and winding houses lighting apparatus and maintenance crane gear power supply；The data output end of the super capacitor group unit with
The input connection of the detection control module, for providing voltage data to the detection control module；The detection control
First output end of module is connected with the control terminal of Unidirectional direct-current voltage conversion unit, the second output of the detection control module
End is connected with the control terminal of super capacitor inversion unit, the 3rd output end and the 4th output end difference of the detection control module
It is connected with the control terminal of the first load transfer switch and the second load transfer switch, charging is provided with the detection control module
Control program and control of discharge program, the detection control module are used to control by charging control program and control of discharge program
The working condition of the Unidirectional direct-current voltage conversion unit and super capacitor inversion unit is made, and the first load transfer of control is opened
The connection status with the second load transfer switch is closed, and then controls the charging and discharging state of the super capacitor group unit.
A kind of described mine hoist super capacitor ups power device, in addition to bus terminal voltage detecting unit, institute
The output end for stating bus terminal voltage detecting unit is connected with detection control module, for detecting mine hoist frequency converter direct current mother
The voltage of line end is simultaneously sent to the detection control module, and the charging control program comprises the following steps：
S101, the detection signal according to bus terminal voltage detecting unit, judge whether mine hoist motor is in regenerative electric power
State；If so, into step S102；If it is not, repeat step S101；
S102, judge whether the voltage swing of the super capacitor group unit is less than the first setting value U1, if being less than, enter step
Rapid S103, if being not less than, repeat step S102；
S103, the control Unidirectional direct-current voltage conversion unit 7 are worked, and the super capacitor group unit 8 is charged, gone forward side by side
Enter step S104；
S104, when judging whether super capacitor group cell voltage reaches rated voltage, if so, being controlled after delay 10s described unidirectional
DC voltage converting unit 7 is stopped, if it is not, repeating to enter step S103.
The first setting value U1 is 0.95 times of the rated voltage of super capacitor group unit.
A kind of described mine hoist super capacitor ups power device, in addition to precharge unit, the super electricity
The input of appearance group unit is also connected by precharge unit with external power supply, and the precharge unit is used for external power supply electricity
Pressure is converted to voltage needed for super capacitor group unit and super capacitor group is charged, the output end of the detection control module
It is connected with the control terminal of the precharge unit, the detection control module is used for the magnitude of voltage in the super capacitor group unit
During less than four setting values, control the precharge unit to work, directly the super capacitor group unit is charged.
4th setting value is 0.1 times of super capacitor group cells rated voltage.
The control of discharge program comprises the following steps：
S201, judge whether external power supply has catastrophic failure, if so, control the super capacitor inversion unit to work, same to time control
Making first load switch and being switched to makes hoister control loop connect super capacitor inversion unit, control second load
The connection of switch cutoff winding houses lighting apparatus and maintenance crane gear and the super capacitor inversion unit, if nothing, enters
Enter step S202；
S202, the voltage swing for judging the super capacitor group unit and the second setting value U2 and the 3rd setting value U3 relation,
If being less than the second setting value U2, the super capacitor inversion unit is controlled to be stopped, while second load switch is cut
Changing to makes winding houses lighting apparatus and maintenance crane gear connection external power source；Return to step S201 simultaneously；If more than etc.
In the second setting value U2, less than or equal to the 3rd setting value U3, it is failure to actuate, while return to step S1；If being more than the 3rd setting value, control
Make super capacitor inversion unit work, at the same second load switch is switched to make winding houses lighting apparatus and
Overhaul crane gear connection super capacitor group unit, and return to step S201.
The electricity of super capacitor group unit corresponding to the second setting value U2 is that mine hoist control loop is delayed 5 points
1.5 times of energy needed for clock；The 3rd setting value U3 is 0.8 times of super capacitor group cells rated voltage.
A kind of described mine hoist super capacitor ups power device, in addition to brake unit, the brake unit
It is connected with elevator frequency changer direct current bus end, the output end and the control terminal of the brake unit of the detection control module connect
Connect, for being in regenerative power generation state in mine hoist motor, and when super capacitor group unit electricity reaches full value, control institute
State brake unit work.
The present invention has the advantages that compared with prior art：
The present invention by setting Unidirectional direct-current voltage conversion unit and super capacitor group unit at elevator frequency converter bus end,
Super capacitor inversion unit and load transfer is set to switch between super capacitor group unit and load, when elevator motor is in again
During hair tonic electric installation, control Unidirectional direct-current voltage conversion unit charges to super capacitor group unit；When super capacitor group list
The voltage of member is when reaching certain value, the second load switch converting unit of control make super capacitor group unit to computer room lighting apparatus with
And the power supply of maintenance crane gear；When there is external power supply failure, the first load switch of control is transformed into standby electricity source, makes
The super capacitor group cell discharge is powered to hoister control loop, on the one hand, so that super capacitor group unit stores
Energy can be also used for winding houses lighting apparatus and overhaul crane gear power supply, improve elevator load potential energy with
And the utilization rate of the energy of retarding braking feedback, the purpose of energy-conservation is realized, while avoid feeding braking energy back to power network
Pollution, on the other hand, the demand of stand-by power supply when meeting mine hoist to having a power failure.In addition, detection control module is set
Put so that the charge and discharge process of the super capacitor ups power device can be automatically controlled in real time, considerably increased mine and carried
Rise machine reliability of operation.
Brief description of the drawings
Fig. 1 is mine hoist frequency converter fundamental diagram in the prior art；
Fig. 2 is a kind of structural representation of mine hoist super capacitor ups power device provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of charging control program in the embodiment of the present invention；
Fig. 4 is the schematic flow sheet of control of discharge program in the embodiment of the present invention；
Fig. 5 is a kind of fundamental diagram of mine hoist super capacitor ups power device provided in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet of control of discharge program in another embodiment of the present invention.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described, it is clear that described embodiment be the present invention part of the embodiment, without
It is whole embodiments；Based on the embodiment in the present invention, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, belongs to the scope of protection of the invention.
As shown in Fig. 2 the embodiments of the invention provide a kind of mine hoist super capacitor ups power device, including
The two-way inversion unit 2 of frequency converter rectification unit 1, frequency converter, Unidirectional direct-current voltage conversion unit 7, the first load transfer switch 11,
Second load transfer switch 12, super capacitor group unit 8, super capacitor inversion unit 9 and detection control module 3, external power supply
It is connected after frequency converter rectification unit 1, the two-way inversion unit 2 of frequency converter with mine hoist motor 6, the Unidirectional direct-current voltage
The input of converting unit 7 is connected with mine hoist frequency changer direct current bus end 10, output end and the super capacitor group list
The input connection of member 8, the output end of the super capacitor group unit 8 and the input of the super capacitor inversion unit 9 connect
Connect, the output end of the super capacitor inversion unit 9 passes through first load transfer switch 11 and hoister control loop 13
Connection, it is connected by the second load transfer switch 12 with winding houses lighting apparatus and maintenance crane gear 14, in addition, described
Hoister control loop 13 is also connected by first load transfer Katyuan 11 with external power supply, winding houses lighting apparatus and inspection
Crane gear 14 is repaiied also to be connected with external power supply by the second load transfer switch 12；The single-phase DC voltage conversion unit 7
For being charged after the DC voltage at dc bus end 10 is changed into the super capacitor group unit 8, the super capacitor
Inversion unit 9 is used to be converted to the dc source that the super capacitor group unit 8 exports after 220V alternating currents to the lifting
Machine control loop and winding houses lighting apparatus and maintenance crane gear 14 are powered.Wherein, Unidirectional direct-current voltage conversion unit
For unidirectional DC/DC modules.
The data output end of the super capacitor group unit 8 with it is described detection control module 3 input be connected, for
The detection control module 3 provides voltage data；The first output end and Unidirectional direct-current voltage conversion of the detection control module 3
The control terminal connection of unit 7, the second output end and the control terminal of super capacitor inversion unit 9 of the detection control module 3 connect
Connect, the 3rd output end and the 4th output end of the detection control module 3 are negative with the first load transfer switch 11 and second respectively
The control terminal connection of change-over switch 12 is carried, the detection control module 3 is used for by controlling the Unidirectional direct-current voltage conversion list
The working condition of member 7 and super capacitor inversion unit 9, and the first load transfer of control switch 11 and the second load transfer switch
12 connection status, to control the charging and discharging state of the super capacitor group unit.
Specifically, the detection control module 3 is used to be in regenerative power generation state in mine hoist motor 6, and super
When capacitance group cell voltage value is relatively low, the Unidirectional direct-current voltage conversion unit 7 is controlled to work, to the super capacitor group unit
3 carry out charging until when the super capacitor group cell voltage reaches rated voltage, control the Unidirectional direct-current voltage conversion list
Member 7 is stopped；The detection control module 3 is additionally operable in the super capacitor group cell capacitance amount abundance, described in control
Super capacitor inversion unit 9 works, and controls the second load transfer switch, makes winding houses lighting apparatus and maintenance lifting
Equipment 14, which is switched to be connected with super capacitor inversion unit 9, obtains electric energy；In addition, the detection control module 3 is additionally operable to prominent
During energy source failure, the super capacitor inversion unit 9 is controlled to work, and control the first load transfer switch 11, make
Hoister control loop 13, which is switched to be connected with super capacitor group inversion unit 9, obtains electric energy, makes the super capacitor group unit 8
Electric discharge is powered to hoister control loop 13.
Further, described a kind of mine hoist super capacitor ups power device, in addition to and mine hoist
Frequency changer direct current bus end connection bus terminal voltage detecting unit 15, the output end of the bus terminal voltage detecting unit 15 with
Detection control module 3 connects, for detecting the voltage at mine hoist frequency changer direct current bus end and being sent to the detection control
Molding block；Charging control program and control of discharge program are provided with the detection control module 3, as shown in figure 3, the charging
Control program comprises the following steps：
S101, the detection signal according to bus terminal voltage detecting unit, judge whether mine hoist motor is in regenerative electric power
State；If so, into step S102；If it is not, repeat step S101；
S102, judge whether the voltage swing of the super capacitor group unit is less than the first setting value U1, if being less than, enter step
Rapid S103, if being not less than, repeat step S102；
S103, the control Unidirectional direct-current voltage conversion unit 7 are worked, and the super capacitor group unit 8 is charged, gone forward side by side
Enter step S104；
S104, when judging whether super capacitor group cell voltage reaches rated voltage, if so, being controlled after delay 10s described unidirectional
DC voltage converting unit 7 is stopped, if it is not, repeat step S103.
Wherein, the first setting value U1 can be 0.95 times of the rated voltage of super capacitor group unit, due to super
The charging interval of electric capacity is extremely short, by above charging control program, super capacitor group unit is only set in voltage less than first
It can just be charged, and can be directly full of once charging during definite value U1, can be avoided to Unidirectional direct-current voltage conversion list
The frequent operation of member 7, reduce the fault rate of device.
As shown in figure 4, the control of discharge program comprises the following steps：
S201, judge whether external power supply has catastrophic failure, if so, control the super capacitor inversion unit to work, same to time control
Making first load switch and being switched to makes hoister control loop connect super capacitor inversion unit, control second load
The connection of switch cutoff winding houses lighting apparatus and maintenance crane gear and the super capacitor inversion unit, if nothing, enters
Enter step S202.
S202, the voltage swing for judging the super capacitor group unit and the second setting value U2 and the 3rd setting value U3 pass
System, if being less than the second setting value U2, controls the super capacitor inversion unit to be stopped, while by second load switch
Being switched to makes winding houses lighting apparatus and maintenance crane gear connection external power source；Return to step S1 simultaneously；If more than etc.
In the second setting value U2, less than or equal to the 3rd setting value U3, it is failure to actuate, while return to step S1；If being more than the 3rd setting value, control
Make super capacitor inversion unit work, at the same second load switch is switched to make winding houses lighting apparatus and
Overhaul crane gear connection super capacitor group unit, and return to step S201.
Wherein, detection control unit can be connected with the supervising device of external power supply, in order to monitor external power supply at any time
Working condition, in order in catastrophic failure switch super capacitor group cell discharge hoister control loop is entered line delay supply
Electricity, to ensure mine hoist safety.
Wherein, the second setting value U2 can be controlled back according to the capacitance and mine hoist of super capacitor group unit
The road value of energy needed for 5 minutes that is delayed is set, on condition that, super capacitor group element memory corresponding to the second setting value U2
The energy of storage should be able to meet mine hoist control loop be delayed 5 minutes needed for energy, with ensure in any case burst electricity
Source failure can ensure mine hoist control loop energy delay working more than 5 minutes, and the 3rd setting value U3 should be greater than second and set
Definite value U2, so that super capacitor group unit is reseted in the case of electricity abundance to winding houses lighting apparatus and having overhauled
Available electricity, to improve the utilization rate of the energy of elevator load potential energy and retarding braking feedback.Preferably, second setting
The electricity of super capacitor group unit corresponding to value U2 is that mine hoist control loop is delayed needed for 5 minutes 1.5 times of energy, is surpassed
The electricity of level capacitance group unit can pass through formula E=CU2/ 2 calculate, and in formula, C is capacitance, U is magnitude of voltage, and E is electricity；
The 3rd setting value U3 can be set as 0.8 times of super capacitor group cells rated voltage U0.
Further, a kind of mine hoist super capacitor ups power device of the embodiment of the present invention can also include
Brake unit 4, the brake unit 4 are connected with elevator frequency changer direct current bus end 10, the output of the detection control module 3
The control terminal also with the brake unit 4 is held to be connected, for being in regenerative power generation state in mine hoist motor 6, and it is super
When the capacitance of capacitance group unit 8 reaches full value, the brake unit 4 is controlled to work, to consume unnecessary feedback electric energy.Its
In, braking resistor is provided with brake unit, when super capacitor group unit is fully charged, and mine hoist motor 6 is still in again
During hair tonic electricity condition, illustrate that the energy of elevator load potential energy and retarding braking feedback is converted into three-phase by elevator motor 6
AC energy is more, is difficult to store completely by super capacitor group unit, and now, detection control module 3 controls brake unit 4 dynamic
Make, unnecessary electric energy can be converted to heat energy by braking resistor and be dispersed into air, so as to consume, avoid the dirt to power network
Dye.
As shown in figure 5, a kind of mine hoist of the present invention is as follows with the operation principle of super capacitor ups power device：
When elevator is run, the energy of elevator load potential energy and retarding braking feedback is converted into three-phase alternating current by elevator motor 6
Electric energy, then direct current is converted into by the two-way inversion unit loop 2 of frequency converter and is recovered to frequency changer direct current bus end, Unidirectional direct-current
The input of voltage conversion unit 7 is connected with dc bus end, and output end is connected with super capacitor group unit 8, therefore is detecting
Under the control of control module 3, Unidirectional direct-current voltage conversion unit 7 charges to super capacitor group unit 8；In addition, super capacitor group
The output end of unit 8 is connected with super capacitor inversion unit 9, under the control of detection control module, super capacitor inversion unit 9
The dc source that super capacitor exports can be converted into 220V standard AC power supplys, 220V AC powers are opened through load transfer again
Pass is connected with hoister control loop, gives hoister control loop power supply.
Further, may be used also as another embodiment of the present invention, the mine hoist super capacitor ups power device
Also it is connected with the input including precharge unit 5, the super capacitor group unit 8 by precharge unit 5 with external power supply,
Control terminal of the output end of the detection control module 3 also with the precharge unit 5 is connected, and the precharge unit 5 is used for
External power supply voltage conversion is charged for voltage needed for super capacitor group unit 8 and to super capacitor group unit 8, the inspection
Survey control module 3 to be used for when the magnitude of voltage of the super capacitor group unit 8 is less than the 4th setting value U4, control the precharge
Unit 5 is worked, and the super capacitor group unit 8 is charged., can be in super capacitor group list by setting precharge unit
In the state of first reason such as use or long-time storage that is powered first causes storage electric charge to be zero, super capacitor group unit preliminary filling is given
Electricity, prevent from damaging frequency converter.
Specifically, in the present embodiment charging control program flow chart as shown in fig. 6, the charging control program include with
Lower step：
S301, judge whether the voltage of the super capacitor group is less than the 4th setting value U4, if being less than, into step S301,
If being not less than, into step S304；
S302, the control precharge unit 5 work, and the super capacitor group unit 8 are charged, and enter step
S303；
S303, when judging whether super capacitor group cell voltage reaches rated voltage, if it is not, repeat step S302, if so, delay
The precharge unit 5 is controlled to be stopped after 10s；
S304, the detection signal according to bus terminal voltage detecting unit, judge whether mine hoist motor is in regenerative electric power
State, and whether the voltage swing of super capacitor group unit is less than the first setting value U1；If so, into step S305；If it is not,
Repeat step S304；
S305, the control Unidirectional direct-current voltage conversion unit 7 are worked, and the super capacitor group unit 8 is charged, gone forward side by side
Enter step S306；
S306, when judging whether super capacitor group cell voltage reaches rated voltage, if it is not, repeat step S305, if so, delay
The Unidirectional direct-current voltage conversion unit 7 is controlled to be stopped after 10s.
Specifically, the 4th setting value U4 can be set as the 10% of super capacitor group cells rated voltage.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of mine hoist super capacitor ups power device, it is characterised in that including frequency converter rectification unit, frequency conversion
The two-way inversion unit of device, Unidirectional direct-current voltage conversion unit, the first load transfer switch, the second load transfer switch, super electricity
Appearance group unit, super capacitor inversion unit and detection control module, external power supply is through frequency converter rectification unit, inversion list
It is straight with mine hoist motor connection, the input and mine hoist frequency converter of the Unidirectional direct-current voltage conversion unit after member
The connection of bus end is flowed, output end is connected with the input of the super capacitor group unit, the output of the super capacitor group unit
End is connected with the input of the super capacitor inversion unit, and the output end of the super capacitor inversion unit passes through described first
Load transfer switch element is connected with hoister control loop, by the second load transfer switch with winding houses lighting apparatus with
And maintenance crane gear connection；The single-phase DC voltage conversion unit is used to be changed the DC voltage at dc bus end
Charged afterwards for the super capacitor group unit, the super capacitor inversion unit is used for super capacitor group unit output
Dc source is converted to after 220V alternating currents to the hoister control loop and winding houses lighting apparatus and maintenance lifting
Equipment is powered；
The data output end of the super capacitor group unit is connected with the input of the detection control module, for the inspection
Survey control module and voltage data is provided；First output end of the detection control module and the control of Unidirectional direct-current voltage conversion unit
End connection processed, the second output end of the detection control module are connected with the control terminal of super capacitor inversion unit, the detection
3rd output end of control module and the control with the first load transfer switch and the second load transfer switch respectively of the 4th output end
End connection processed, described detect in control module are provided with charging control program and control of discharge program, the detection control module
For controlling the Unidirectional direct-current voltage conversion unit and super capacitor inverse by charging control program and control of discharge program
Become the working condition of unit, and the connection status of the first load transfer of control switch and the second load transfer switch, and then control
Make the charging and discharging state of the super capacitor group unit.
2. a kind of mine hoist according to claim 1 super capacitor ups power device, it is characterised in that also wrap
Bus terminal voltage detecting unit is included, the output end of the bus terminal voltage detecting unit is connected with detection control module, for examining
Survey the voltage at mine hoist frequency changer direct current bus end and be sent to the detection control module, the charging control program bag
Include following steps：
S101, the detection signal according to bus terminal voltage detecting unit, judge whether mine hoist motor is in regenerative electric power
State；If so, into step S102；If it is not, repeat step S101；
S102, judge whether the voltage swing of the super capacitor group unit is less than the first setting value U1, if being less than, enter step
Rapid S103, if being not less than, repeat step S102；
S103, the control Unidirectional direct-current voltage conversion unit 7 are worked, and the super capacitor group unit 8 is charged, gone forward side by side
Enter step S104；
S104, when judging whether super capacitor group cell voltage reaches rated voltage, if so, being controlled after delay 10s described unidirectional
DC voltage converting unit 7 is stopped, if it is not, repeating to enter step S103.
3. a kind of mine hoist according to claim 2 super capacitor ups power device, it is characterised in that described
First setting value U1 is 0.95 times of the rated voltage of super capacitor group unit.
4. a kind of mine hoist according to claim 1 super capacitor ups power device, it is characterised in that also wrap
Precharge unit is included, the input of the super capacitor group unit is also connected by precharge unit with external power supply, described pre-
It is voltage needed for super capacitor group unit and super capacitor group to be charged that charhing unit, which is used for external power supply voltage conversion,
The output end of the detection control module is connected with the control terminal of the precharge unit, and the detection control module is used in institute
When stating the magnitude of voltage of super capacitor group unit and being less than four setting values, the precharge unit is controlled to work, directly to described super
Level capacitance group unit is charged.
5. a kind of mine hoist according to claim 4 super capacitor ups power device, it is characterised in that described
4th setting value is 0.1 times of super capacitor group cells rated voltage.
6. a kind of mine hoist according to claim 1 super capacitor ups power device, it is characterised in that described
Control of discharge program comprises the following steps：
S201, judge whether external power supply has catastrophic failure, if so, control the super capacitor inversion unit to work, same to time control
Making first load switch and being switched to makes hoister control loop connect super capacitor inversion unit, control second load
The connection of switch cutoff winding houses lighting apparatus and maintenance crane gear and the super capacitor inversion unit, if nothing, enters
Enter step S202；
S202, the voltage swing for judging the super capacitor group unit and the second setting value U2 and the 3rd setting value U3 relation,
If being less than the second setting value U2, the super capacitor inversion unit is controlled to be stopped, while second load switch is cut
Changing to makes winding houses lighting apparatus and maintenance crane gear connection external power source；Return to step S201 simultaneously；If more than etc.
In the second setting value U2, less than or equal to the 3rd setting value U3, it is failure to actuate, while return to step S1；If being more than the 3rd setting value, control
Make super capacitor inversion unit work, at the same second load switch is switched to make winding houses lighting apparatus and
Overhaul crane gear connection super capacitor group unit, and return to step S201.
7. a kind of mine hoist according to claim 6 super capacitor ups power device, it is characterised in that described
The electricity of super capacitor group unit corresponding to second setting value U2 is that mine hoist control loop is delayed energy needed for 5 minutes
1.5 again；The 3rd setting value U3 is 0.8 times of super capacitor group cells rated voltage.
8. a kind of mine hoist according to claim 1 super capacitor ups power device, it is characterised in that also wrap
Brake unit is included, the brake unit is connected with elevator frequency changer direct current bus end, the output end of the detection control module
It is connected with the control terminal of the brake unit, for being in regenerative power generation state, and super capacitor group in mine hoist motor
When unit electricity reaches full value, the brake unit is controlled to work.
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| CN201710957957.9A CN107528383B (en) | 2017-10-16 | 2017-10-16 | Super capacitor UPS power supply device for mine hoist |
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| CN107528383B (en) | 2023-11-24 |
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