CN105084139A - Elevator power system and control method thereof - Google Patents
Elevator power system and control method thereof Download PDFInfo
- Publication number
- CN105084139A CN105084139A CN201510525368.4A CN201510525368A CN105084139A CN 105084139 A CN105084139 A CN 105084139A CN 201510525368 A CN201510525368 A CN 201510525368A CN 105084139 A CN105084139 A CN 105084139A
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- China
- Prior art keywords
- motor
- elevator
- unit
- power supply
- control unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses an elevator power system and a control method thereof. The elevator power system comprises a power supply unit, a driving unit and an elevator-car control unit, wherein the power supply unit is connected with the driving unit through a discharging wire and supplies electricity for the driving unit; the driving unit is connected with the power supply unit through a charging wire and charges the power supply unit; besides, the power supply unit supplies electricity for the elevator-car control unit through a DC/DC frequency changer group; the power supply unit is connected with an external motive power supply through a power-supply frequency changer; the external motive power supply is allowed to charge the power supply unit; the external motive power supply supplies electricity for the driving unit through the power-supply frequency changer; the elevator-car control unit is connected with the driving unit and sends elevator running state signals to the driving unit. According to the elevator power system disclosed by the invention, after the external power supply is cut off, an elevator can still run, and the potential energy of the elevator car can generate electricity through a motor to charge an energy storage battery, so that the purposes of energy conservation and environmental protection are reached.
Description
Technical field
The present invention about a kind of elevator, refer to especially a kind of by energy-storage battery as electrical source of power, not only safe and reliable, but also the elevator power system of energy-conserving and environment-protective and control method thereof.
Background technology
At present, elevator in market, each place widespread use such as house and office block, external and domestic all apparatus for controlling elevator are all powered by supply line, once line outage or line maintenance, capital causes elevator to stop transport suddenly or elevator can not use, there is potential safety hazard, affect the trip of user simultaneously.And elevator needs when uplink and downlink to consume a large amount of electric energy, does not meet the demand of the energy-saving and environment friendly advocated at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of not only safety but also energy-conservation elevator power system and control method thereof.
For achieving the above object, the invention provides a kind of elevator power system, it comprises power supply unit, driver element and lift car control unit, this power supply unit connects this driver element by discharge lines and powers for driver element, this driver element connects this power supply unit by charging wire, for this power supply unit charges; This power supply unit is powered for this lift car control unit by a DC/DC frequency converter group simultaneously, this power supply unit connects an external connection power power supply by a power converter, accept this external connection power power supply for the charging of this power supply unit, this external connection power power supply is by this power converter for this driver element is powered, and this lift car control unit connects this driver element and sends elevator operation signal to this driver element.
Described power supply unit comprises battery management unit and energy-storage battery, this battery management unit is connected with discharge lines by charging wire with this energy-storage battery, this battery management unit separately connects this DC/DC frequency converter group by discharge lines, this DC/DC frequency converter group connects described lift car control unit by discharge lines, this battery management unit connects this power converter by charging wire, and this battery management unit is separately connected described driver element by charging wire with discharge lines.
Described driver element comprises motor administrative unit, drive motor and motor braking system, wherein this motor administrative unit is connected this battery management unit by discharge lines with charging wire, this motor administrative unit is separately connected this drive motor by discharge lines with charging wire and controls the start and stop of drive motor simultaneously, this motor administrative unit separately connects this motor braking system by discharge lines and controls the start and stop of this motor braking system, and described lift car control unit connects this motor administrative unit by signal wire (SW).
Described motor braking system is arranged on the axle head brake wheel of described drive motor.
Elevator is when descending, and described lift car control unit sends signal to described motor administrative unit, and described motor administrative unit controls described drive motor and is converted to electrical generator.
Described DC/DC frequency converter group comprises two DC/DC frequency converters in parallel.
Described energy-storage battery is lithium cell.
The present invention also provides a kind of control method of elevator power system, and this control method is:
Drive motor controls start and stop by motor control unit, completes ascending for elevator, stopping, descending function;
Motor control unit is after the up-on command receiving lift car control unit, motor control unit controls to drive motor forward operational torque, after receiving the position switch signal of lift car control unit transmission when arriving respective storey, motor control unit is to drive motor brake torque, motor control unit is to motor braking system braking commands simultaneously, locking motor shaft end brake wheel;
Motor control unit is after receiving lift car control unit downlink command, motor control unit is to motor braking system release command, car is made to start to fall, motor control unit, to drive motor reactive torque, controls elevator constant velocity descending, and allows drive motor become electrical generator by motor administrative unit, car is stoped to accelerate, allow its uniform descending, the potential energy converting and energy that car has is become electric energy, electric energy is stored in energy-storage battery by motor administrative unit and battery management unit.
Described DC/DC frequency converter group comprises two DC/DC frequency converters in parallel, sends alerting signal and automatically switch to another DC/DC frequency converter work when a DC/DC frequency converter no-output.
Described energy-storage battery is non-maintaining lithium cell.
In the present invention, external AC power supply is energy-storage battery charging by power converter, once external source power-off, electric energy is provided by energy-storage battery, elevator can also continue to run, and significantly increases the safety of elevator, when advanced motor vector control technology makes elevator run downwards, the potential energy that car has is passed through electric power generation, to energy-storage battery charging, reach the object of energy-conserving and environment-protective, can also allow car at the uniform velocity smooth running simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of elevator power system of the present invention;
Fig. 2 is the enforcement view of elevator power system of the present invention.
Detailed description of the invention
For ease of having further understanding to structure of the present invention and the effect that reaches, the existing preferred embodiment that develops simultaneously by reference to the accompanying drawings is described in detail as follows.
As shown in Figure 1, elevator power system of the present invention comprises power supply unit, driver element and lift car control unit 3, this power supply unit connects this driver element by discharge lines and powers for driver element, and this driver element also connects this power supply unit by charging wire, for this power supply unit charges; This power supply unit is that lift car control unit 3 is powered by a DC/DC frequency converter group simultaneously, and this power supply unit connects an external connection power power supply 5 by a power converter 4, accepts this external connection power power supply 5 for power supply unit charging.This lift car control unit 3 connects this driver element and sends elevator operation signal to driver element.
Power supply unit in the present invention comprises battery management unit 10 and energy-storage battery 11, this battery management unit 10 is connected with discharge lines b1 by charging wire a1 with energy-storage battery 11, this battery management unit 10 connects this DC/DC frequency converter group by discharge lines b2, this DC/DC frequency converter group connects lift car control unit 3 by discharge lines b3, this energy-storage battery 11 by battery management unit 10 with this DC/DC frequency converter group for whole elevator controlling loop provides power supply.This battery management unit 10 connects this power converter 4 by charging wire a2, this power converter 4 separately connects this external connection power power supply 5 by a charging wire a3, and this external connection power power supply 5 is charged for this energy-storage battery 11 by power converter 4 and battery management unit 10.
Driver element in the present invention comprises motor administrative unit 20, drive motor 21 and motor braking system 22, wherein this motor administrative unit 20 is connected this battery management unit 10 by discharge lines b4 with charging wire a4, motor administrative unit 20 is connected drive motor 21 by discharge lines b5 with charging wire a5 simultaneously, and this motor administrative unit 20 separately connects motor braking system 22 by discharge lines b6.When using external connection power power supply 5, external connection power power supply 5 is that motor administrative unit 20 is powered with drive motor 21 by power converter 4 and battery management unit 10.When power failure or when not using external connection power power supply, this energy-storage battery 11 by discharge lines b1, battery management unit 10, discharge lines b4, motor administrative unit 20 and discharge lines b5 for drive motor 21 provides electric energy, and by discharge lines b6 for motor braking system 22 provides electric energy.This motor braking system 22 is arranged on the axle head brake wheel of drive motor 21.
Lift car control unit 3 in the present invention connects motor administrative unit 20 by signal wire (SW) c, and up, the descending and halted state Signal transmissions run by elevator is to motor administrative unit 20, is controlled the start and stop of drive motor 21 and motor braking system 22 by motor administrative unit 20.When elevator is in uplink and downlink process, drive motor 21 runs, and motor braking system 22 is in closed condition; When drive motor 21 is closed, motor braking system 22 starts and locking motor shaft end brake wheel, reaches and makes elevator floor hold function, and prevent lift car from gliding.
Fig. 2 is the enforcement view of elevator power system of the present invention, and in figure, the left side is the constructional drawing of current elevator, is connected, is provided with retarder between motor braking system 22 and brake wheel between car with pouring weight by steel rope A with the heavy balancing chain B of rope.Elevator power system principle of work of the present invention is as follows: drive motor 21 controls start and stop by motor control unit 20, complete ascending for elevator, stop, descending function, motor control unit 20 is after the up-on command receiving lift car control unit 3, motor control unit 20 controls to drive motor 21 forward operational torque, after receiving the position switch signal of lift car control unit 3 transmission when arriving respective storey, motor control unit 20 gives drive motor 21 1 brake torques, motor control unit 20 gives motor braking system 22 1 braking commands simultaneously, locking motor shaft end brake wheel.Motor control unit 20 is after receiving lift car control unit 3 downlink command, motor control unit 20 gives motor braking system 22 1 release command, car is made to start to fall, motor control unit 20 gives drive motor 21 1 reactive torques, control elevator constant velocity descending, and allow drive motor 21 become electrical generator by motor administrative unit 20, car is stoped to accelerate, allow its uniform descending, the potential energy converting and energy that car has is become electric energy, by charging wire a5, motor administrative unit 20, charging wire a4 and battery management unit 10 and charging wire a1 are stored in energy-storage battery 11.Energy-storage battery 11 for motor control unit 20 provides electrical source of power, and provides electric energy for DC/DC frequency converter group by battery management unit 10.DC/DC frequency converter group provides control power supply for whole elevator controlling loop.
DC/DC frequency converter group in the present invention comprises two DC/DC frequency converters 6 in parallel, sends alerting signal and automatically switch to another DC/DC frequency converter 6 to work when DC/DC frequency converter 6 no-output.
Energy-storage battery 11 in the present invention is non-maintaining lithium cell.
Elevator power system of the present invention is a kind of elevator power control system of energy-saving safety, by energy-storage battery as electrical source of power, even if also can run when dispatch from foreign news agency power-off, avoid the accident that unexpected power-off causes, electric power generation can be allowed when elevator is descending to be also energy-storage battery charging by vector control technology, reach the object of energy-conserving and environment-protective.Power system in the present invention, except the driving that can be used for elevator and control, also can be used for driving and the control of Dramatic Air Lifts tool, as tower crane tower, elevator machinery etc.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (10)
1. an elevator power system, it is characterized in that, it comprises power supply unit, driver element and lift car control unit, and this power supply unit connects this driver element by discharge lines and powers for driver element, this driver element connects this power supply unit by charging wire, for this power supply unit charges; This power supply unit is powered for this lift car control unit by a DC/DC frequency converter group simultaneously, this power supply unit connects an external connection power power supply by a power converter, accept this external connection power power supply for the charging of this power supply unit, this external connection power power supply is by this power converter for this driver element is powered, and this lift car control unit connects this driver element and sends elevator operation signal to this driver element.
2. elevator power system as claimed in claim 1, it is characterized in that, described power supply unit comprises battery management unit and energy-storage battery, this battery management unit is connected with discharge lines by charging wire with this energy-storage battery, this battery management unit separately connects this DC/DC frequency converter group by discharge lines, this DC/DC frequency converter group connects described lift car control unit by discharge lines, this battery management unit connects this power converter by charging wire, and this battery management unit is separately connected described driver element by charging wire with discharge lines.
3. elevator power system as claimed in claim 2, it is characterized in that, described driver element comprises motor administrative unit, drive motor and motor braking system, wherein this motor administrative unit is connected this battery management unit by discharge lines with charging wire, this motor administrative unit is separately connected this drive motor by discharge lines with charging wire and controls the start and stop of drive motor simultaneously, this motor administrative unit separately connects this motor braking system by discharge lines and controls the start and stop of this motor braking system, described lift car control unit connects this motor administrative unit by signal wire (SW).
4. elevator power system as claimed in claim 3, it is characterized in that, described motor braking system is arranged on the axle head brake wheel of described drive motor.
5. elevator power system as claimed in claim 3, is characterized in that, elevator is when descending, and described lift car control unit sends signal to described motor administrative unit, and described motor administrative unit controls described drive motor and is converted to electrical generator.
6. elevator power system as claimed in claim 1, it is characterized in that, described DC/DC frequency converter group comprises two DC/DC frequency converters in parallel.
7. elevator power system as claimed in claim 2, it is characterized in that, described energy-storage battery is lithium cell.
8. a control method for elevator power system as claimed in claim 3, is characterized in that, this control method is:
Drive motor controls start and stop by motor control unit, completes ascending for elevator, stopping, descending function;
Motor control unit is after the up-on command receiving lift car control unit, motor control unit controls to drive motor forward operational torque, after receiving the position switch signal of lift car control unit transmission when arriving respective storey, motor control unit is to drive motor brake torque, motor control unit is to motor braking system braking commands simultaneously, locking motor shaft end brake wheel;
Motor control unit is after receiving lift car control unit downlink command, motor control unit is to motor braking system release command, car is made to start to fall, motor control unit, to drive motor reactive torque, controls elevator constant velocity descending, and allows drive motor become electrical generator by motor administrative unit, car is stoped to accelerate, allow its uniform descending, the potential energy converting and energy that car has is become electric energy, electric energy is stored in energy-storage battery by motor administrative unit and battery management unit.
9. the control method of elevator power system as claimed in claim 8, described DC/DC frequency converter group comprises two DC/DC frequency converters in parallel, sends alerting signal and automatically switch to another DC/DC frequency converter work when a DC/DC frequency converter no-output.
10. the control method of elevator power system as claimed in claim 8, described energy-storage battery is non-maintaining lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510525368.4A CN105084139A (en) | 2015-08-25 | 2015-08-25 | Elevator power system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510525368.4A CN105084139A (en) | 2015-08-25 | 2015-08-25 | Elevator power system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105084139A true CN105084139A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510525368.4A Pending CN105084139A (en) | 2015-08-25 | 2015-08-25 | Elevator power system and control method thereof |
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| CN (1) | CN105084139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819298A (en) * | 2016-05-24 | 2016-08-03 | 陕西小溪机电科技有限公司 | Elevator emergency power generation device |
Citations (8)
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|---|---|---|---|---|
| US20010017242A1 (en) * | 2000-02-28 | 2001-08-30 | Shinobu Tajima | Controller of elevator |
| JP3302722B2 (en) * | 1992-06-11 | 2002-07-15 | 三菱電機株式会社 | Elevator control device |
| CN201580862U (en) * | 2009-12-21 | 2010-09-15 | 江门市蒙德电气有限公司 | Elevator driving electrical device |
| JP4727166B2 (en) * | 2004-05-13 | 2011-07-20 | 三菱電機株式会社 | Elevator control device |
| WO2013179324A1 (en) * | 2012-06-01 | 2013-12-05 | Otis Elevator Company | Elevator system with power storage device |
| CN104692200A (en) * | 2013-12-06 | 2015-06-10 | 东芝电梯株式会社 | Elevator |
| CN104743416A (en) * | 2013-12-27 | 2015-07-01 | 东芝电梯株式会社 | Elevator |
| CN205023632U (en) * | 2015-08-25 | 2016-02-10 | 包头市北工机械有限公司 | Elevator driving system |
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2015
- 2015-08-25 CN CN201510525368.4A patent/CN105084139A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3302722B2 (en) * | 1992-06-11 | 2002-07-15 | 三菱電機株式会社 | Elevator control device |
| US20010017242A1 (en) * | 2000-02-28 | 2001-08-30 | Shinobu Tajima | Controller of elevator |
| JP4727166B2 (en) * | 2004-05-13 | 2011-07-20 | 三菱電機株式会社 | Elevator control device |
| CN201580862U (en) * | 2009-12-21 | 2010-09-15 | 江门市蒙德电气有限公司 | Elevator driving electrical device |
| WO2013179324A1 (en) * | 2012-06-01 | 2013-12-05 | Otis Elevator Company | Elevator system with power storage device |
| CN104692200A (en) * | 2013-12-06 | 2015-06-10 | 东芝电梯株式会社 | Elevator |
| CN104743416A (en) * | 2013-12-27 | 2015-07-01 | 东芝电梯株式会社 | Elevator |
| CN205023632U (en) * | 2015-08-25 | 2016-02-10 | 包头市北工机械有限公司 | Elevator driving system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819298A (en) * | 2016-05-24 | 2016-08-03 | 陕西小溪机电科技有限公司 | Elevator emergency power generation device |
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Application publication date: 20151125 |
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