CN109823933A - The four-quadrant elevator converter plant and topological structure of integrated emergency power supply - Google Patents
The four-quadrant elevator converter plant and topological structure of integrated emergency power supply Download PDFInfo
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Abstract
The present invention relates to elevator safety control technology fields, propose a kind of four-quadrant elevator converter plant of integrated emergency power supply, it is intended to the problems such as solving the configuration mode of current elevator control system structure is complicated, at high cost.The system includes: controller, controllable rectifier module, inverter module, emergency set module.The exchange end of above-mentioned controllable rectifier module is connect with power grid, DC terminal is connect with the DC terminal of above-mentioned inverter module, the exchange end of above-mentioned inverter module and the driving equipment of elevator connect, and the DC bus line between above-mentioned emergency set and above-mentioned controllable rectifier module and above-mentioned inverter module is connected.The present invention realizes emergency power supply circuit and the multiplexing of four-quadrant frequency converter circuit, reduces system cost and structure size.
Description
Technical field
The present invention relates to elevator emergency control technology field, in particular to the four-quadrant elevator of a kind of integrated emergency power supply becomes
Frequency device and topological structure.
Background technique
In elevator control system, the configuration of emergency power supply has very important status.When the unexpected power down of power grid, emergency
Power supply can put passenger safety to four-quadrant frequency converter and control system peripheral system power supply (safety return circuit, band-type brake, outgoing call etc.)
To leveling, prevent oppressive.
Currently, in elevator control system in the configuration mode of emergency power supply: each elevator control cabinet can arrange in pairs or groups one and meet an urgent need
Power supply device, emergency power supply automatic reclosing device (Auto-Reclosing Device, ARD) or uninterruptible power supply
(Uninterruptible Power System, UPS) and frequency converter are independent, and frequency converter is placed on elevator control cabinet, emergency power supply
An independent emergency power supply cabinet；Alternatively, emergency power supply and frequency converter are integrated in a control cabinet, it is only merely to be integrated in structure.
Emergency power supply unit is placed on outside control cabinet or is integrated into inside elevator control cabinet, and elevator controlling can not be fundamentally solved
Structure is complicated for the configuration mode of system, mounting area is larger, at high cost, meanwhile, emergency power supply major loop and four-quadrant frequency converter
Major loop separation, higher cost, volume is larger, controls complicated problem.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve in current elevator control system, emergency power supply dress
Structure is complicated for the configuration mode set, mounting area is larger, at high cost and emergency power supply circuit and four-quadrant frequency converter circuit point
From higher cost, volume is larger, controls complicated problem.The present invention uses following technical scheme to solve the above technical problems:
This application provides a kind of four-quadrant elevator converter plant of integrated emergency power supply, the four-quadrants of the integrated emergency power supply
Terraced converter plant of rationing the power supply includes: controller, controllable rectifier module, inverter module, emergency power supply module.Wherein, above-mentioned controllable whole
The exchange end of flow module is connect with power grid, and the DC terminal of the DC terminal of above-mentioned controllable rectifier module and above-mentioned inverter module passes through straight
Bus connection is flowed, the exchange end of above-mentioned inverter module and the driving equipment of elevator connect, above-mentioned emergency power supply module and above-mentioned straight
Flow bus connection；Above controller is according to accessed information relevant to elevator safety to connected to it above-mentioned controllable whole
Flow module, above-mentioned inverter module and above-mentioned emergency power supply module are controlled；Above-mentioned controllable rectifier module is used for from power grid
Alternating current rectified, obtain direct current；The direct current that above-mentioned inverter module is used to input DC terminal continues inversion conversion,
Obtain the alternating current of setpoint frequency；Above-mentioned emergency power supply module be used for grid power blackout power-off when, be elevator driving equipment and
Safety device provides electric power.
Further, above-mentioned emergency power supply module includes DC/DC module and energy storage device, and two of above-mentioned DC/DC module
Voltage conversion connecting pin is connected respectively to above-mentioned DC bus and above-mentioned energy storage device.
Further, bus Support Capacitor is equipped between the positive and negative busbar of above-mentioned DC bus.
Further, the four-quadrant elevator converter plant of above-mentioned integrated emergency power supply further includes input filter, above-mentioned defeated
The input terminal for entering filter is connect with power grid, and filtering output end is connect with the input terminal of above-mentioned controllable rectifier module.
Further, the four-quadrant elevator converter plant of above-mentioned integrated emergency power supply further includes contactor, above-mentioned contactor
It connects for when power grid is normal, controlling above-mentioned power grid and above-mentioned converter plant, is mentioned for above-mentioned driving equipment, above-mentioned safety device
It charges for electric power, and by above-mentioned DC/DC module to above-mentioned energy storage device；In grid power blackout or failure, above-mentioned energy storage device
It is powered through above-mentioned DC bus to above-mentioned inverter module and above-mentioned controllable rectifier module by above-mentioned DC/DC module, above-mentioned contact
Device disconnects the connection of above-mentioned converter plant Yu above-mentioned power grid.
Present invention also provides a kind of four-quadrant elevator frequency conversion topological structures of integrated emergency power supply.The integrated emergency power supply
Four-quadrant elevator frequency conversion topological structure include controller, controllable rectifier module, inverter module and emergency power supply module；Wherein,
The topological structure of the four-quadrant elevator converter plant of integrated emergency power supply are as follows: the exchange end of above-mentioned controllable rectifier module and power grid connect
It connects, the DC terminal of above-mentioned controllable rectifier module is connect with the DC terminal of above-mentioned inverter module by DC bus, above-mentioned inversion mould
The exchange end of block and the driving equipment of elevator connect, and above-mentioned emergency power supply module is connect with above-mentioned DC bus.
Further, above-mentioned emergency power supply module includes DC/DC module and energy storage device, and two of above-mentioned DC/DC module
Conversion connecting pin is connected respectively to above-mentioned DC bus and above-mentioned energy storage device.
Further, above-mentioned emergency power supply module is when above-mentioned power grid is normal, by DC/DC module from above-mentioned controlled rectification
DC bus between module and above-mentioned inverter module takes electricity, charges to above-mentioned energy storage device, in above-mentioned grid power blackout or failure
When, above-mentioned energy storage device is powered to above-mentioned inverter module by above-mentioned DC/DC module to drive the driving equipment of elevator.
Further, in above-mentioned grid power blackout or failure, above-mentioned energy storage device is by above-mentioned DC/DC module also to above-mentioned
The DC terminal of controllable rectifier module is powered, and is powered by the inversion of above-mentioned controllable rectifier module to the safety device of elevator, wherein
Above-mentioned safety device includes door machine, band-type brake and safety return circuit.
The four-quadrant elevator converter plant and topological structure of integrated emergency power supply provided by the present application, in emergency power supply module
Energy storage device directly connect with DC bus by DC/DC module, when power grid is normal, pass through the voltage change of DC/DC module
After changing, charge to energy storage device, when the grid fails, energy storage device passes through DC bus after the voltage transformation of DC/DC module
It powers to controllable rectifier module and inverter module, to drive the driving device of elevator and for door machine, band-type brake and safety return circuit
Power supply.Save the AC/DC conversion module in traditional emergency power supply unit, a large amount of Switching Power Supplies such as DC/AC conversion module；The collection
At the controllable rectifier module and emergency power supply module charging and discharging circuit of four-quadrant in the four-quadrant elevator converter plant of emergency power supply
It is effectively multiplexed on time dimension, reduces elevator device cost and structure size.
Detailed description of the invention
Fig. 1 is the common configuration schematic diagram of emergency power supply unit in existing elevator control system；
Fig. 2 is the another common configuration schematic diagram of emergency power supply unit in existing elevator control system；
Fig. 3 is the four-quadrant elevator converter plant composite structural diagram of the integrated emergency power supply in the application；
Fig. 4 is the exemplary system architecture of the embodiment of the four-quadrant elevator converter plant of integrated emergency power supply in the application
Figure；
Fig. 5 is the application example signal in the four-quadrant elevator converter plant embodiment of integrated emergency power supply in the application
Figure；
Fig. 6 is that the another application example in the four-quadrant elevator converter plant embodiment of integrated emergency power supply in the application shows
It is intended to；
Fig. 7 is the system architecture schematic diagram of existing elevator emergency control system in the application；
Fig. 8 is the exemplary architecture of the embodiment of the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply in the application
Figure.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to Fig. 1 and Fig. 2, figures 1 and 2 show that at present in elevator control system emergency power supply unit common configuration side
Formula.Wherein, Fig. 1 is emergency power supply ARD or UPS and frequency converter is independent, and frequency converter and emergency power supply unit are placed on different electricity
Terraced control cabinet；Fig. 2 is that emergency power supply and frequency converter are integrated in a control cabinet, is only merely integrating in structure, without changing
Become the main circuit topological structure of emergency power supply control system, still without solving the technical problem in foregoing description.With continued reference to
Fig. 3, Fig. 3 are shown can be using the exemplary of the embodiment of the four-quadrant elevator converter plant of the integrated emergency power supply of the application
Structure chart.
As shown in figure 3, the four-quadrant elevator converter plant of integrated emergency power supply include controller, it is controllable rectifier module, inverse
Become module, emergency power supply module.
Above-mentioned controllable rectifier module and inverter module constitute frequency conversion equipment, and above-mentioned controllable rectifier module is connect with power grid, on
The driving equipment for stating inverter module and elevator connects, and realizes and provides the frequency transformation of power supply to power grid.
Specifically, the exchange end of above-mentioned controllable rectifier module is connect with power grid, the DC terminal of above-mentioned controllable rectifier module with
The DC terminal of above-mentioned inverter module is connected by DC bus, and the exchange end of above-mentioned inverter module and the driving equipment of elevator connect
It connects；Above-mentioned emergency power supply module is connected between above-mentioned controllable rectifier module and above-mentioned inverter module on DC bus.
Wherein, above-mentioned controllable rectifier module and above-mentioned inverter module group are combined into frequency conversion equipment, realize electricity provided to power grid
The frequency in source is converted.
Above-mentioned driving equipment is the motor for driving elevator operation, for example, it may be the traction electricity that driving elevator is vertically run
Machine can be traction synchronous motor or asynchronous machine.Above-mentioned safety device can be safety relevant to elevator safety operation
The devices such as circuit, door machine, band-type brake.
Specifically, above controller enables elevator to operate normally, and meeting with for controlling the operation of elevator
When meeting grid cut-off/failure, has the function of automatic emergency.Above-mentioned automatic emergency function is to provide packet when power-off fault occurs
Include driving main motor, logic control, band-type brake, door machine, passenger safety is placed on leveling by the repertoires such as Lighting control.Above-mentioned control
It is electronic to control that device processed can be resistance value in wiring and change circuit according to predetermined order change main circuit or control circuit
Starting, speed regulation, braking and reversely main of machine enable device.It can also be by program counter, command register, Instruction decoding
Device, clock generator and operation controller composition, complete the operating device for coordinating and commanding entire computer system.Specifically,
Above controller can be the control system with microprocessor, such as single-chip computer control system, Control System of Microcomputer, plc control
System processed etc..
In the present embodiment, above controller according to accessed information relevant to elevator safety to it is connected to it can
Control rectification module, inverter module and emergency set are controlled.Wherein, above-mentioned information relevant to elevator safety may is that electricity
Switch gate information, electric network fault information, the elevator operating floor information etc. of ladder
Communication is provided between above controller and controllable rectifier module, inverter module and emergency power supply module by network
Link.Can by the modes such as wired, wireless communication link or fiber optic cables by information controller, controllable rectifier module,
It is transmitted between inverter module and emergency power supply module to realize the control to elevator.
Emergency set exemplary system architecture in elevator emergency control system is shown with continued reference to Fig. 4, Fig. 4.Such as Fig. 4 institute
Show, above-mentioned controllable rectifier module obtains direct current for rectifying to the alternating current from power grid；Above-mentioned inverter module is used for
Inversion conversion is carried out to the direct current of DC terminal input, obtains the alternating current of setpoint frequency；Wherein inverter module DC terminal inputs
Direct current can be the direct current that the AC rectification that above-mentioned controllable rectifier module provides power grid obtains, can also be emergency
The direct current that power module provides under emergency conditions.It is appreciated that above-mentioned controllable rectifier module and inverter module can form
Converter plant, the power supply for providing power grid carry out frequency conversion, the alternating current after conversion frequency are supplied to elevator power
Device.Above-mentioned emergency power supply module, for providing electricity for the driving equipment and safety device of elevator in grid power blackout power-off
Power.
In the present embodiment, connected between above-mentioned controllable rectifier module and above-mentioned inverter module by DC bus, that is, above-mentioned
The output end of above-mentioned controllable rectifier module is connect by DC bus with the input terminal of above-mentioned inverter module.To what power grid provided
Alternating current is rectified through above-mentioned controllable rectifier module, exports direct current, through DC bus by the DC supply input to above-mentioned inversion mould
The direct-flow input end of block obtains the alternating current of predeterminated frequency or controller assigned frequency after the inverter module inversion.It needs
Bright, above-mentioned controllable rectifier module can carry out inversion transformation to power supply, that is, can be by direct current in the case where meeting setting condition
The DC inverter at end is alternating current through the output of exchange end.Bus Support Capacitor is equipped between above-mentioned DC bus.Wherein, on
Bus Support Capacitor is stated for stablizing the busbar voltage between above-mentioned DC bus.
Further, in this embodiment above-mentioned emergency set includes energy storage device and DC/DC module, above-mentioned DC/DC module
Voltage conversion connecting pin connect respectively with above-mentioned energy storage device, DC bus.Here, DC is the letter of Direct Current
Claim, indicates direct current；Above-mentioned DC/DC module is that the direct current of different voltages amplitude is carried out to the module or device of voltage conversion.
The system further includes input filter, and the input terminal of the input filter is connect with power grid, filtering output end with can
Control the exchange end connection of rectification module.Here, above-mentioned input filter main function eliminates the harmonic wave in frequency converter.
The four-quadrant elevator converter plant of above-mentioned integrated emergency power supply further includes contactor, and above-mentioned contactor is set to above-mentioned
Between power grid and filter, for the connection between disjunction converter plant and above-mentioned power grid.So that when power grid is normal in control
Power grid and above-mentioned filter ON are stated, is disconnected in grid power blackout or failure.That is, in power grid normal power supply, contactor
Closure, power grid is the power supply of entire converter plant, and in electric network fault or power failure, above-mentioned contactor disconnects power grid and the converter plant
Connection, meanwhile, make emergency power supply module current supply circuit and power grid disconnect.
In the present embodiment, in power grid normal power supply, the direct current obtained after above-mentioned controllable rectifier module rectification passes through
Above-mentioned DC/DC module charges to above-mentioned energy storage device；In grid power blackout or failure, above-mentioned energy storage device passes through above-mentioned DC/DC
Module is powered through above-mentioned DC bus to above-mentioned inverter module and the controllable rectifier module.Here, pass through above-mentioned DC/DC module
When to the charging of above-mentioned energy storage device, the direct current on above-mentioned DC bus can be carried out voltage conversion by above-mentioned DC/DC module, be turned
It is changed to the direct current with above-mentioned energy storage device voltage matches；Above-mentioned energy storage device to it is above-mentioned DC bus powered when, above-mentioned DC/DC
The direct current that module exports above-mentioned energy storage device carries out voltage conversion, and the direct current for the fixed voltage that energy storage device is provided turns
It is changed to the direct current of preset voltage value.
As an example, Fig. 5 shows the four-quadrant elevator converter plant of integrated emergency power supply in the present embodiment with reference to Fig. 5
Application example.As shown in figure 5, contactor K1 closure, power grid is whole system power supply in power grid normal power supply, power grid is mentioned
The alternating current of confession, a part are door machine, band-type brake and safety return circuit power supply, and second part is after input filter filters, by can
It powers after controlling the frequency transformation of rectification module and inverter module to drive unit for lift.Also, also to being connected to controlled rectification mould
Emergency power supply module for power supply on DC bus between block and inverter module, specifically: electric network source is through above-mentioned controlled rectification
Direct current is obtained after module rectification, is charged after being connected to the DC/DC block transforms voltage of above-mentioned DC bus to energy storage device.
With continued reference to Fig. 6, when electric network fault or power failure, K1 is disconnected, at this point, emergency power supply module carries out emergency disposal,
Energy storage device is after DC/DC module carries out voltage transformation to DC bus powered.Direct current on DC bus passes through inversion mould
Drive unit for lift is driven after the inversion transformation of block, lift car is made to return to leveling；Meanwhile it being mentioned on DC bus by energy storage device
The direct current of confession is alternating current by controllable DC Module inversion, and Xiang Menji, band-type brake and safety return circuit power supply guarantee elevator in electricity
Safety when net power failure or failure.
So far, above-mentioned emergency set in network voltage normal power supply in energy storage device energy storage, in power grid catastrophic failure or
When power failure, to drive unit for lift, power supply door machine, band-type brake and safety return circuit power supply, passenger safety is sent to leveling, is prevented because stopping
Elevator malfunction accident caused by electricity or electric network fault.
With reference to Fig. 7, Fig. 7 is existing elevator emergency control system, as shown in fig. 7, answering in existing emergency flight control system
Anxious device and the tie point of system are located at before controllable rectifier module.When power grid is normal, alternating current is obtained from power grid, is passed through
The energy storage in energy-storage travelling wave tube after AC/DC conversion, when electric network fault or power failure, the direct current passed through in energy-storage travelling wave tube is logical first
It crosses DC/DC module and carries out voltage transformation, alternating current is then converted to by DC/AC, by switch K2 to by controllable rectifier module
With inverter module composition converter plant and door machine, band-type brake and safety return circuit power supply so that elevator car safety return to it is flat
Layer.Wherein, AC is the abbreviation of Altermating Current, indicates alternating current；Above-mentioned AC/DC conversion indicates to turn in alternating current
It is changed to direct current, above-mentioned DC/AC conversion indicates direct current being converted to alternating current.
Compared with prior art, the four-quadrant elevator converter plant of the integrated emergency power supply device of the application has following skill
Art effect:
Emergency power supply module is connected on the DC bus between controllable rectifier module and inverter module, needs not move through AC/
DC transformation can directly charge to energy storage device, and when the grid fails, the direct current in energy storage device is by DC/DC module
After voltage transformation, it is directly sent to DC bus, the conversion of direct current and alternating current, Ke Yizhi are carried out without installing DC/AC module
It connects and powers through inverter module and controllable rectifier module to the driving device and door machine of elevator, band-type brake and safety return circuit.
Therefore, the controlled rectification part of four-quadrant and the charging and discharging circuit of emergency set have on time dimension in the application
Effect is multiple, so that the control sequential of system is more succinct, improves efficiency；Reduce the AC/DC of emergency set, DC/AC etc. is a large amount of
Elevator device cost and structure size is greatly lowered in Switching Power Supply.
On the other hand, the present invention also provides a kind of four-quadrant elevator frequency conversion topological structures of integrated emergency power supply.With reference to figure
8, Fig. 8 show the embodiment schematic diagram of the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply, as shown in figure 8, this is opened up
Flutterring structure includes: controllable rectifier module, inverter module and emergency power supply module；The four-quadrant elevator frequency conversion of integrated emergency power supply is opened up
Flutter structure are as follows:
The exchange end of above-mentioned controllable rectifier module is connect with power grid, the DC terminal of above-mentioned controllable rectifier module and above-mentioned inversion
The DC terminal of module is connected by DC bus, and the exchange end of above-mentioned inverter module and the driving equipment of elevator connect, above-mentioned to answer
Urgent telegram source module is connect with above-mentioned DC bus.
Further, above-mentioned emergency power supply module includes DC/DC module and energy storage device, and two of above-mentioned DC/DC module
Conversion connecting pin is connected respectively to above-mentioned DC bus and above-mentioned energy storage device.
Above-mentioned emergency power supply module when above-mentioned power grid is normal, by DC/DC module from above-mentioned controllable rectifier module with it is upper
The DC bus stated between inverter module takes electricity, charges to above-mentioned energy storage device, in above-mentioned grid power blackout or failure, above-mentioned storage
Energy device is powered by above-mentioned DC/DC module to above-mentioned controllable rectifier module and above-mentioned inverter module to drive the driving of elevator to set
Standby and safety device.
In above-mentioned grid power blackout or failure, above-mentioned energy storage device is by above-mentioned DC/DC module also to above-mentioned controlled rectification
The DC terminal of module is powered, by powering after the inverter operation of above-mentioned controllable rectifier module to the safety device of elevator, wherein on
Stating safety device includes, door machine, band-type brake and safety return circuit.
In the present embodiment, above-mentioned controllable rectifier module and above-mentioned inverter module can form frequency conversion equipment.It is above-mentioned integrated
In the four-quadrant elevator frequency conversion topological structure of emergency power supply, in emergency power supply module and above-mentioned frequency conversion equipment, controlled rectification is connected
Module is connected with the DC bus of the DC terminal of inverter module.
Compared with prior art, the four-quadrant elevator frequency conversion topological structure of the integrated emergency power supply device of the application has
Following technical effect:
Emergency power supply module is connected on the DC bus between controllable rectifier module and inverter module, is normally supplied in power grid
When electric, electric network source is converted after controllable rectifier module rectifies through DC/DC module voltage, is directly charged to energy storage device；And nothing
AC/DC conversion equipment need to be installed and carry out ac-dc conversion.When the grid fails, the direct current in energy storage device is through DC/DC module
After voltage transformation, be directly sent to DC bus, through inverter module and controllable rectifier module to the driving device and door machine of elevator, embrace
Lock and safety return circuit power supply；The conversion of direct current and alternating current is carried out without installing DC/AC conversion equipment.
Therefore, in the application in the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply, controlled rectification part with answer
The charging and discharging circuit of anxious device is effectively multiple on time dimension, so that the control sequential of system is more succinct, improves efficiency；With
Existing emergency power supply unit is compared, and AC/DC reforming unit is reduced, and a large amount of Switching Power Supplies such as DC/AC conversion equipment significantly drop
Low elevator device cost and structure size.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (9)
1. a kind of four-quadrant elevator converter plant of integrated emergency power supply, which is characterized in that the four-quadrant of the integrated emergency power supply
Terraced converter plant of rationing the power supply includes: controller, controllable rectifier module, inverter module and emergency power supply module；Wherein,
The exchange end of the controllable rectifier module is connect with power grid, the DC terminal of the controllable rectifier module and the inverter module
DC terminal by DC bus connect, the inverter module exchange end and elevator driving equipment connect, it is described to answer urgent telegram
Source module is connect with the DC bus；
The controller according to accessed information relevant to elevator safety to the controllable rectifier module connected to it,
The inverter module and the emergency power supply module are controlled；
The controllable rectifier module obtains direct current for rectifying to the alternating current from power grid；
The direct current that the inverter module is used to input DC terminal carries out inversion conversion, obtains the alternating current of setpoint frequency；
The emergency power supply module is used to provide electric power in grid power blackout power-off for the driving equipment and safety device of elevator.
2. the four-quadrant elevator converter plant of integrated emergency power supply according to claim 1, which is characterized in that the emergency
Power module includes DC/DC module and energy storage device, and two voltages conversion connecting pin of the DC/DC module is connected respectively to institute
State DC bus and the energy storage device.
3. the four-quadrant elevator converter plant of integrated emergency power supply according to claim 2, which is characterized in that the direct current
Bus Support Capacitor is equipped between the positive and negative busbar of bus.
4. the four-quadrant elevator converter plant of integrated emergency power supply according to claim 3, which is characterized in that described integrated
The four-quadrant elevator converter plant of emergency power supply further includes input filter, and the input terminal and power grid of the input filter connect
It connects, filtering output end is connect with the exchange end of the controllable rectifier module.
5. the four-quadrant elevator converter plant of integrated emergency power supply according to claim 4, which is characterized in that described integrated
The four-quadrant elevator converter plant of emergency power supply further includes contactor, and the contactor is used for when power grid is normal, described in control
Power grid and the converter plant are connected, and provide electric power for the driving equipment, the safety device, and pass through the DC/DC mould
Block charges to the energy storage device；In grid power blackout or failure, the energy storage device is by the DC/DC module through described straight
It flows bus to power to the inverter module and the controllable rectifier module, the contactor disconnects the converter plant and the electricity
The connection of net.
6. a kind of four-quadrant elevator frequency conversion topological structure of integrated emergency power supply, which is characterized in that the integrated emergency power supply
Four-quadrant elevator frequency conversion topological structure includes: controllable rectifier module, inverter module and emergency power supply module, in which:
The exchange end of the controllable rectifier module is connect with power grid, the DC terminal of the controllable rectifier module and the inverter module
DC terminal by DC bus connect, the inverter module exchange end and elevator driving equipment connect, it is described to answer urgent telegram
Source module is connect with the DC bus.
7. the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply according to claim 6, which is characterized in that described
Emergency power supply module includes DC/DC module and energy storage device, and two conversion connecting pins of the DC/DC module are connected respectively to institute
State DC bus and the energy storage device.
8. the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply according to claim 7, which is characterized in that described
Emergency power supply module when the power grid is normal, by DC/DC module from the controllable rectifier module and the inverter module it
Between DC bus take electricity, to the energy storage device charge, in the grid power blackout or failure, the energy storage device passes through institute
State driving equipment and safety dress that DC/DC module is powered to the controllable rectifier module and the inverter module to drive elevator
It sets.
9. the four-quadrant elevator frequency conversion topological structure of integrated emergency power supply according to claim 8, which is characterized in that in institute
When stating grid power blackout or failure, the energy storage device is by the DC/DC module also to the DC terminal of the controllable rectifier module
Power supply is powered by the inversion of the controllable rectifier module to the safety device of elevator, wherein the safety device includes door
Machine, band-type brake and safety return circuit.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054045A (en) * | 2019-05-20 | 2019-07-26 | 上海稳利达电力电子有限公司 | It is a kind of for the seamless emergency of elevator, energy saver |
| CN110224421A (en) * | 2019-06-18 | 2019-09-10 | 北京索德电气工业有限公司 | Distributed energy storage elevator control system and topological structure |
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| CN102795529A (en) * | 2011-05-27 | 2012-11-28 | 株式会社日立制作所 | Elevator driving system |
| CN204144996U (en) * | 2014-09-01 | 2015-02-04 | 新疆大学 | A kind of multiple control lift energy feedback net arrangement with super capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110054045A (en) * | 2019-05-20 | 2019-07-26 | 上海稳利达电力电子有限公司 | It is a kind of for the seamless emergency of elevator, energy saver |
| CN110224421A (en) * | 2019-06-18 | 2019-09-10 | 北京索德电气工业有限公司 | Distributed energy storage elevator control system and topological structure |
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Application publication date: 20190531 |