CN201665453U - Elevator controller - Google Patents
Elevator controller Download PDFInfo
- Publication number
- CN201665453U CN201665453U CN2010201106265U CN201020110626U CN201665453U CN 201665453 U CN201665453 U CN 201665453U CN 2010201106265 U CN2010201106265 U CN 2010201106265U CN 201020110626 U CN201020110626 U CN 201020110626U CN 201665453 U CN201665453 U CN 201665453U
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- control chip
- traction motor
- elevator
- motor control
- chip
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses an elevator controller comprising a human-computer interface display panel (1), a control plate (2) and a pulse width modulation inverter (3), wherein the control plate (2) comprises an elevator control chip, a traction motor control chip and an coder signal acquisition device; the elevator control chip and the traction motor control chip are connected through a CAN bus; the coder signal acquisition device is connected with the traction motor control chip through a data bus; the human-computer interface display panel (1) and the elevator control chip of the control plate (2) are connected through the CAN bus; and the pulse width modulation inverter (3) is in signal connection with the traction motor control chip of the control plate (2). After the design is adopted, connecting leads at various ports of an elevator control unit and a traction motor control unit are reduced greatly, thus causing the whole control system to be high in integration, simple in wiring, few in fault points, strong in antijamming capability and more convenient for debugging and maintenance.
Description
Technical field:
The utility model relates to elevator control field, particularly a kind of electric life controller.
Background technology:
Electric life controller is the significant components in the elevator device, and it provides assurance for the normal operation of elevator.At present, the apparatus for controlling elevator that is arranged in elevator control cabinet constitutes in elevator logic controller+traction motor control group mode, and they are electrically connected by a large amount of leads and fetch the realization mutual communication, adopts split-type design.Since need a large amount of leads to connect each port of two controllers, so the The whole control system integrated level is low, the line complexity, the trouble point is many, and antijamming capability is relatively poor, and debugging and maintenance are all inconvenient.
The utility model content:
The technical problems to be solved in the utility model is, at the deficiency of above-mentioned apparatus for controlling elevator, provides a kind of integrated level height, line is simple, the trouble point is few, antijamming capability is strong, debugging and electric life controller easy to maintenance.
The technical solution of the utility model is that it comprises man-machine interface display panel, control desk and pulse width modulation inverter; Described control desk comprises elevator control chip, traction motor control chip and code device signal harvester; Described elevator control chip and traction motor control chip are by the total wire joint of CAN; Described code device signal harvester is connected by data bus with the traction motor control chip; The elevator control chip of described man-machine interface display panel and control desk is by the total wire joint of CAN; Described pulse width modulation inverter is connected with the traction motor control chip signal of control desk.
After adopting above-mentioned design, the utility model compared with prior art, because described elevator control chip and traction motor control chip are by the total wire joint of CAN, and be integrated in the control desk, so significantly reduced the connecting wire of elevator control unit and each port of traction motor control unit, thereby make The whole control system integrated level height, line is simple, the trouble point is few, antijamming capability is strong, debugging and maintenance are also convenient, improved the integrated degree of apparatus for controlling elevator simultaneously, thereby improved control accuracy, make the running velocity curve of elevator more level and smooth, improved the comfort level of elevator.
As further improvement, it is the dsp chip of TMS320LF2812 that described elevator control chip and traction motor control chip all adopt the model of company of Texas Instrument (TI), guarantees high integration.
Description of drawings:
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1 is the utility model integrated elevator controller main body block diagram;
Fig. 2 is the pulse width modulation inverter circuit diagram.
Shown in the figure: 1, man-machine interface display panel, 2, control desk, 3, pulse width modulation inverter.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further.
The utility model electric life controller, it comprises man-machine interface display panel 1, control desk 2 and pulse width modulation inverter 3; Described control desk 2 comprises elevator control chip, traction motor control chip and code device signal harvester; Described elevator control chip and traction motor control chip are by the total wire joint of CAN; Described coder harvester is connected by data bus with the traction motor control chip; Described man-machine interface display panel 1 passes through the total wire joint of CAN with the elevator control chip of control desk 2; Described pulse width modulation inverter 3 is connected with the traction motor control chip signal of control desk 2.
As shown in Figure 1, described elevator control chip also adopts the total wire joint of CAN with elevator car, entrance hall controller, is connected by I/O mouth signal with external equipment such as hoistway signal; Described traction motor control chip also is connected with voltage, the current sensor signal of towing machine; The input end of described code device signal harvester also connects with the coaxial output end signal that is connected coder of traction motor; The mouth of described pulse width modulation inverter 3 also is electrically connected with the input end of traction motor.
As shown in Figure 2, described pulse width modulation inverter 3 comprises dc bus, three phase rectifier unit, charging resistance, DC contactor, chemical capacitor, three-phase inversion unit; Described three phase rectifier unit comprises the three-phase bridge rectifier circuit that 6 rectifier diodes that are connected across respectively between electrical network and dc bus are formed; Described charging resistance and the anode that is serially connected in dc bus after DC contactor is in parallel; Described chemical capacitor is connected across the dc bus two ends; Described three-phase inversion unit comprises 6 diode and 6 three-phase inverter bridge circuits that the insulated gate bipolar transistor that is connected across described 6 diode two ends is respectively formed of being connected across respectively between traction motor and dc bus, and the grid of each described insulated gate bipolar transistor connects the mouth of traction motor control chip control signal.
In the present embodiment, described charging resistance and DC contactor have been formed charge circuit, when pulse width modulation inverter 3 powers on, by charging resistance chemical capacitor is charged earlier, when the voltage for the treatment of the chemical capacitor two ends rises to 85% left and right sides of rated voltage, the precharge of power up is so far finished in the DC contactor conducting.Described chemical capacitor provides electric energy as energy-storage travelling wave tube to the three-phase inversion unit.The direct current processing to the electrical network input ac voltage is finished in described three phase rectifier unit.Described three-phase inversion unit is the physical unit that motor is carried out speed governing, the traction motor control chip is to its work of control that transmits control signal of the grid of the insulated gate bipolar transistor of three-phase inversion unit, and the three-phase inversion unit carries out speed control by the PWM waveform to the driving circuit output different duty of traction motor to traction motor.
During work, the accessory feed of this electric life controller is powered for this electric life controller.Elevator control chip real-time sampling man-machine interface display panel 1, the incoming signal of external equipment, the incoming signal of traction motor control chip, and handle, mode of operations such as lift car, elevator hoistways, destination layer, traction motor are monitored, according to predefined elevator control algorithm, send work order to relevant device; Simultaneously, traction motor control chip real-time sampling traction motor voltage, current signal, code device signal, and carry out communication by CAN bus and elevator control chip, obtain the motor running velocity, mode of operation, and by 1 pair of motor status of man-machine interface display panel, the control command state is monitored, send control signal according to predefined traction motor control algorithm to the three-phase inversion unit of pulse width modulation inverter 3, the mouth of pulse width modulation inverter 3 is by the rotating speed of the voltage waveform control traction motor of the corresponding dutycycle of output, after finishing, the traction motor chip carries out real-time message feedback to the elevator control chip.Two chip blocks, man-machine interface display panel 1 adopt the communication modes of CAN bus, and the dsp chip of wherein being responsible for elevator control is as main communication chip, and it also is responsible for the Communication Control with man-machine interface display panel 1.The three phase current of traction motor and voltage are sent into the traction motor control chip after utilizing electric current, voltage sensor sampling, the code device signal sampling setup is sampled by the code device signal to traction motor, obtain to send into the traction motor control chip behind rotating speed of motor and the position signal, the traction motor control chip produces the control signal of pulse width modulation inverter 3 according to the signal that obtains by rotor field-oriented control algorithm, and this control signal is through pulsewidth modulated inverter 3 direct drive motor rotations.The elevator control chip obtains the required control signal of elevator according to the state of input port and by logic control algorithm, and command adapted thereto is sent to relevant device controls, to realize the elevator normal operation.
Claims (2)
1. electric life controller, it comprises man-machine interface display panel (1), control desk (2) and pulse width modulation inverter (3), it is characterized in that: described control desk (2) comprises elevator control chip, traction motor control chip and code device signal harvester; Described elevator control chip and traction motor control chip are by the total wire joint of CAN; Described code device signal harvester is connected by data bus with the traction motor control chip; Described man-machine interface display panel (1) passes through the total wire joint of CAN with the elevator control chip of control desk (2); Described pulse width modulation inverter (3) is connected with the traction motor control chip signal of control desk (2).
2. a kind of electric life controller according to claim 1 is characterized in that: it is the dsp chip of TMS320LF2812 that described elevator control chip and traction motor control chip all adopt model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201106265U CN201665453U (en) | 2010-01-30 | 2010-01-30 | Elevator controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201106265U CN201665453U (en) | 2010-01-30 | 2010-01-30 | Elevator controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665453U true CN201665453U (en) | 2010-12-08 |
Family
ID=43266408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201106265U Expired - Lifetime CN201665453U (en) | 2010-01-30 | 2010-01-30 | Elevator controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201665453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295202A (en) * | 2011-08-18 | 2011-12-28 | 上海交通大学 | Mine-hoist stroke closed-loop control system and method based on optimized efficiency |
| CN103434903A (en) * | 2013-09-10 | 2013-12-11 | 天津豪雅科技发展有限公司 | Internal type elevator control power supply |
| CN103863922A (en) * | 2014-04-01 | 2014-06-18 | 常州电梯厂有限公司 | Method for designing elevator for high tower used for carrying long-span electric transmission line |
-
2010
- 2010-01-30 CN CN2010201106265U patent/CN201665453U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295202A (en) * | 2011-08-18 | 2011-12-28 | 上海交通大学 | Mine-hoist stroke closed-loop control system and method based on optimized efficiency |
| CN102295202B (en) * | 2011-08-18 | 2014-06-18 | 上海交通大学 | Mine-hoist stroke closed-loop control system and method based on optimized efficiency |
| CN103434903A (en) * | 2013-09-10 | 2013-12-11 | 天津豪雅科技发展有限公司 | Internal type elevator control power supply |
| CN103863922A (en) * | 2014-04-01 | 2014-06-18 | 常州电梯厂有限公司 | Method for designing elevator for high tower used for carrying long-span electric transmission line |
| CN103863922B (en) * | 2014-04-01 | 2016-01-06 | 常州电梯厂有限公司 | A kind of method of designing carrying the high tower elevator of long-span electric transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101208 |