CN203699590U - Lithium battery based elevator emergency leveling device - Google Patents
Lithium battery based elevator emergency leveling device Download PDFInfo
- Publication number
- CN203699590U CN203699590U CN201420077329.3U CN201420077329U CN203699590U CN 203699590 U CN203699590 U CN 203699590U CN 201420077329 U CN201420077329 U CN 201420077329U CN 203699590 U CN203699590 U CN 203699590U
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- CN
- China
- Prior art keywords
- master control
- management system
- lithium cell
- control board
- bus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The utility model provides a lithium battery based elevator emergency leveling device. The lithium battery based elevator emergency leveling device comprises a direct current bus, a bidirectional direct current circuit, a lithium battery pack, a battery management system, a three-phase inverter and a main control panel; the direct current bus is connected with a motor through a frequency converter; the bidirectional direct current circuit is connected with a battery management system and a direct current bus respectively; the lithium battery pack is connected with the battery management system; the three-phase inverter is connected with the direct current bus and an elevator main control power supply module; the main control panel is connected with control ends of the three-phase inverter and the bidirectional direct current circuit; the main control panel is connected with the direct current bus through a commercial power voltage sensor; the main control panel is connected with the battery management system through the battery voltage sensor; the main control panel is connected with an output end of the three-phase inverter through an electric current sensor 2; the main control panel is connected with the bidirectional direct current circuit through an electric current sensor 1. The lithium battery based elevator emergency leveling device has the advantages of being large in discharging current, long in service life, short in charging time, free of pollution and the like.
Description
Technical field
The utility model patent relates to emergency source of electrical power technical field, is specifically related to when abnormal power failure appears in elevator make elevator arrive flat bed, and the emergency facility of electric power is provided for the illumination in elevator and gate, communication system simultaneously.
Background technology
Along with scientific and technological development, the continuous increase of skyscraper, elevator is also more and more universal.And from elevator birth, just there is the oppressive phenomenon of elevator power failure.Circuit aging, the unexpected interruption of civil power all can cause elevator out of service, so elevator emergency leveling device arises at the historic moment.It has enough electric power to make elevator complete arrival flat bed and door-opened elevator action just can ensure in the unexpected power-off of elevator at the beginning of design time, on one side the delay personnel in elevator are sued and laboured.And at present the emergency flat layer device in elevator generally adopts lead-acid battery as energy-storage units, the shortcoming such as this battery exists service life short, difficult in maintenance.
Along with the development of lithium battery technology, as a kind of closed-center system of elevator emergency leveling device, there is discharge current large, the advantage such as long service life, charging duration are short, pollution-free, will have the market competitiveness more.
Summary of the invention
The main purpose of the utility model patent is, overcomes existing technological deficiency, and high, simple in structure, the practical elevator emergency leveling device based on lithium cell of a kind of life-span is provided.
The technical scheme that the utility model provides is: the elevator emergency leveling device based on lithium cell, it comprises DC bus, bidirectional, dc circuit, lithium cell group, battery management system, three-phase inverter, master control board, described DC bus connects motor by frequency converter, described bidirectional, dc circuit connects respectively at battery management system and DC bus, described lithium cell group is connected with battery management system, described three-phase inverter is connected with DC bus and elevator master control supply module respectively, described master control board connects respectively the control end of three-phase inverter and bidirectional, dc circuit, described master control board is connected with DC bus by mains voltage sensor, master control board is connected with battery management system by battery voltage sensor, master control board is connected with the mouth of three-phase inverter by current sensor 2, master control board is connected with bidirectional, dc circuit by current sensor 1, man-machine panel carries out circuit with master control board and is connected.
In the utility model, bidirectional, dc circuit is connected between DC bus and battery management system, in the time that lithium cell group electric energy is not enough, step-down by bidirectional, dc circuit is transported to electric energy lithium cell group by battery management system from DC bus, in the time of elevator power-off, battery management system is transported to electric energy DC bus from lithium cell group by bidirectional, dc circuit, DC bus is powered to motor by transducer drive motor, DC bus is powered to elevator device by the master control supply module that connects elevator after three-phase inverter inversion simultaneously, master control board connects respectively and controls three-phase inverter and bidirectional, dc circuit, simultaneously by current sensor and the voltage sensor DC bus-bar voltage of sampling respectively, lithium cell group voltage, the working current of the outgoing current of inverter and upper phase direct current circuit.Man-machine panel is directly connected with master control board, and parameter setting and look facility can be provided.
Preferably, described battery management system, is characterized in that being optimized management to discharging and recharging of lithium cell group;
Preferably, the mode that described lithium cell group adopts single lithium battery to carry out series, parallel or connection in series-parallel combination connects;
Preferably, described lithium cell energy density is 200Wh/L to 650Wh/L, and discharge current is 1C-30C;
Adopt this based on lithium cell the electric power system of elevator emergency leveling device while having optimized whole elevator emergency, simple in structure, stability is high, reliability is high, has improved the life-span of whole device simultaneously.
Brief description of the drawings
Accompanying drawing is the principle schematic of the elevator emergency leveling device of the utility model based on lithium cell.
Detailed description of the invention
In order to make those skilled in the art person understand better the technical solution of the utility model, and make above-mentioned purpose of the present utility model, feature and a little can more become apparent, below in conjunction with accompanying drawing, the utility model being described in further detail:
As shown in the figure: the utility model provides the leveling device of the elevator emergency based on lithium cell, it comprises DC bus, lithium cell group, battery management system, bidirectional, dc circuit, three-phase inverter, master control board, described DC bus connects motor by frequency converter, described bidirectional, dc circuit connects respectively at battery management system and DC bus, described lithium cell group is connected with battery management system, described three-phase inverter is connected with DC bus and elevator master control supply module respectively, described master control board connects respectively the control end of three-phase inverter and bidirectional, dc circuit, described master control board is connected with DC bus by mains voltage sensor, master control board is connected with battery management system by battery voltage sensor, master control board is connected with the mouth of three-phase inverter by current sensor 2, master control board is connected with bidirectional, dc circuit by current sensor 1.Described master control board adopts LPC32 position, Philip high-speed chip to control.It controls the output of three-phase inverter output and circuit worked on up and down bias.
Principle of work of the present utility model is: bidirectional, dc circuit is connected between DC bus and battery management system.Master control board is connected with battery management system by battery voltage sensor, gathers lithium cell voltage data, and when lithium cell voltage is lower, when electric energy is not enough, master control board control bidirectional, dc circuit, makes civil power charge to lithium cell by DC bus; When commercial power interruption or elevator supply are when abnormal, master control board detects that by mains voltage sensor DC bus-bar voltage is abnormal, then controls bidirectional, dc circuit, makes lithium cell pass through bidirectional, dc circuit electric energy is exported; Between master control board and bidirectional, dc circuit, be connected with current sensor 1, the working current being used in monitoring bidirectional direct current circuit, and it is controlled; DC bus, by transducer drive motor, is powered to elevator by the master control supply module of three inverters connection elevators simultaneously; The master control system of elevator is 380V three plase alternating current, and civil power can be directly to the master control supply module power supply in elevator after carrying out three-phase inversion; Master control board is monitored the output of three-phase inverter by current sensor 2, control the stable output of three-phase inverter simultaneously, and master control board is by realizing overvoltage and overcurrent protection function to the detection of circuit; Man-machine panel is directly connected with master control board, and parameter setting and look facility can be provided.
Claims (4)
1. the elevator emergency leveling device based on lithium cell, it is characterized in that: it comprises DC bus, bidirectional, dc circuit, lithium cell group, battery management system, three-phase inverter, master control board, described DC bus connects motor by frequency converter, described bidirectional, dc circuit connects respectively at battery management system and DC bus, described lithium cell group is connected with battery management system, described three-phase inverter is connected with DC bus and elevator master control supply module respectively, described master control board connects respectively the control end of three-phase inverter and bidirectional, dc circuit, described master control board is connected with DC bus by mains voltage sensor, master control board is connected with battery management system by battery voltage sensor, master control board is connected with the mouth of three-phase inverter by current sensor 2, master control board is connected with bidirectional, dc circuit by current sensor 1, man-machine panel carries out circuit with master control board and is connected.
2. the elevator emergency leveling device based on lithium cell according to claim 1, is characterized in that lithium cell group carries out management of charging and discharging by battery management system.
3. the elevator emergency leveling device based on lithium cell according to claim 1, is characterized in that the mode that battery pack adopts single lithium battery to carry out series, parallel or connection in series-parallel combination connects.
4. the elevator emergency leveling device based on lithium cell according to claim 1, is characterized in that lithium cell energy density is 200Wh/L to 750Wh/L, and discharge current is 1C-35C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077329.3U CN203699590U (en) | 2014-02-21 | 2014-02-21 | Lithium battery based elevator emergency leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077329.3U CN203699590U (en) | 2014-02-21 | 2014-02-21 | Lithium battery based elevator emergency leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699590U true CN203699590U (en) | 2014-07-09 |
Family
ID=51050060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077329.3U Expired - Lifetime CN203699590U (en) | 2014-02-21 | 2014-02-21 | Lithium battery based elevator emergency leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185500A (en) * | 2015-02-06 | 2016-12-07 | 东芝电梯株式会社 | The contactless power supply system of elevator |
| CN107792739A (en) * | 2016-08-29 | 2018-03-13 | 通力股份公司 | Elevator |
-
2014
- 2014-02-21 CN CN201420077329.3U patent/CN203699590U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185500A (en) * | 2015-02-06 | 2016-12-07 | 东芝电梯株式会社 | The contactless power supply system of elevator |
| CN106185500B (en) * | 2015-02-06 | 2018-07-13 | 东芝电梯株式会社 | The contactless power supply system of elevator |
| CN107792739A (en) * | 2016-08-29 | 2018-03-13 | 通力股份公司 | Elevator |
| CN107792739B (en) * | 2016-08-29 | 2021-10-15 | 通力股份公司 | Elevator with a movable elevator car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430206, No. 999, hi tech Road, East Lake hi tech Zone, Hubei, Wuhan, No. 10, building 4, block A, future science and Technology City Patentee after: FLEXTECH CO. Address before: 430206, No. 999, hi tech Road, East Lake hi tech Zone, Hubei, Wuhan, No. 10, building 4, block A, future science and Technology City Patentee before: FLEXTECH Co. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |