CN102491133A - Elevator operation control method and elevator system - Google Patents
Elevator operation control method and elevator system Download PDFInfo
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- CN102491133A CN102491133A CN2011104196756A CN201110419675A CN102491133A CN 102491133 A CN102491133 A CN 102491133A CN 2011104196756 A CN2011104196756 A CN 2011104196756A CN 201110419675 A CN201110419675 A CN 201110419675A CN 102491133 A CN102491133 A CN 102491133A
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Abstract
The invention discloses an elevator operation control method and an elevator system. The method comprises the following steps that: A, an elevator is started, an electrified signal is acquired by a control unit, and the control unit controls a rectifying inversion system and a frequency conversion driving system to work; B, an input power supply stores energy to an energy storage component through the rectifying inversion system and supplies power to a tractor through the frequency conversion driving system, the tractor drives a cage to operate, the input power supply supplies power to an elevator brake through a brake control system, and the elevator brake is opened; C, power fails at a power supply input end, a power failure signal is acquired by the control unit, and the control unit controls the rectifying inversion system to work and controls the frequency conversion driving system to stop working; and D, electric energy stored by an energy storage unit is supplied to the elevator brake through the rectifying inversion system and the brake control system, and the elevator brake is slowly braked along gradual consumption of the electric energy of the energy storage component. By the method, the soft stop of the elevator can be realized, and the safety in the process of operating the elevator is improved.
Description
Technical field
The present invention relates to a kind of elevator progress control method and elevator device.
Background technology
Existing elevator device is in normal course of operation, and extraneous power supply is imported through power input, and transfers alternating current to direct current (DC) through the commutation inversion system; Transfer direct current (DC) to alternating current through frequency changing driving system again and export to towing machine; Drive cage operation through towing machine, at this moment, the direct current (DC) that the commutation inversion system is exported carries out energy storage to energy-storage travelling wave tube simultaneously; The power supply that power input is imported is supplied power to the elevator band-type brake through the band-type brake control system simultaneously, and the elevator band-type brake unclamps.In the prior art, the commutation inversion system is used for transferring alternating current to direct current (DC), for improving rectification effect, is provided with high-capacity electric capacity and is used to absorb pulse.
Under the situation of outage, because power input lacks the power supply input, the elevator band-type brake is because short of electricity, stop car immediately; And band-type brake power directly stops and stops car, and its deceleration/decel is very big, for example; The elevator that command speed is 150m/min is to have a power failure in the command speed driving process, and band-type brake discharges, and car speed will become 0 by 150m/min in 1 second; Deceleration/decel is 2.5m/s2, and this impact is to have certain risk to life safety, and causes accident to be given birth to frequently.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of elevator progress control method and elevator device are provided, the present invention can realize the soft stop of elevator, improves the safety in the running process of elevator.
Its technical scheme is following.
A kind of elevator progress control method, this method comprises the steps:
A, elevator start, and control unit obtains " having " signal, control unit control commutation inversion system and frequency changing driving system work;
B, input power supply pass through the commutation inversion system successively to the energy-storage travelling wave tube energy storage, and supply power to towing machine through frequency changing driving system, and towing machine drives cage operation, and the input power supply passes through the band-type brake control system simultaneously to the power supply of elevator band-type brake, and the elevator band-type brake is opened;
C, power input outage, control unit obtains " outage " signal, and control unit control commutation inversion system works, frequency changing driving system are not worked;
D, energy-storage units institute accumulate can pass through commutation inversion system, band-type brake control system to the power supply of elevator band-type brake, and along with the consumption gradually of energy-storage travelling wave tube electric energy, the elevator band-type brake is slowly held tightly.
Further, said elevator band-type brake includes and holds spring, brake lining and band-type brake coil tightly; In said B step, said input power delivery is to the band-type brake coil, and the magnetic force that the band-type brake coil produces overcomes the elastic force of holding spring tightly and brake lining is unclamped.
A kind of elevator device, this elevator operation control system comprises:
A, power input are to band-type brake control system and the power supply of commutation inversion system;
B, control unit, " having " of receiving power input reaches " outage " signal, if the power input input is " having " signal, then controls commutation inversion system and frequency changing driving system work;
C, commutation inversion system, when normal and towing machine was in electronic operating mode at power supply, the power supply of power input became direct current (DC) after through this commutation inversion system, simultaneously to the energy-storage travelling wave tube energy storage; When towing machine was in generating operation mode or power supply power failure, this commutation inversion system was a three plase alternating current with the electric energy inversion that energy-storage travelling wave tube stored up, and supplies power to the band-type brake control system;
D, frequency changing driving system, work or do not work under the control of control unit, during work, the direct current (DC) of commutation inversion system outlet becomes alternating current and is delivered to towing machine after through this frequency changing driving system;
E, band-type brake control system, under the control of control unit, the power supply that the power supply or the commutation inversion system of power input imported exports the elevator band-type brake to;
F, elevator band-type brake, under the situation of its power supply, this elevator band-type brake unclamps in the band-type brake control system, stops under the situation of its power supply in the band-type brake control system, and this elevator band-type brake is held tightly and is realized braking;
G, towing machine receive the electric energy that frequency changing driving system is exported, and drive cage operation;
H, energy-storage travelling wave tube; Have at power input under the situation of electricity; The electric energy that reception commutation inversion system or frequency changing driving system are exported stores; Under the situation of power input outage, stored electric energy is delivered to the elevator band-type brake through commutation inversion system, band-type brake control system, to realize the slow stop of elevator band-type brake.
Further, said energy-storage travelling wave tube is an electric capacity.
Facing advantage of the present invention or principle down describes:
Import under the normal situation at power supply; Be used for large bulk capacitance that rectification uses as energy-storage travelling wave tube with former; Under the situation of elevator outage, cut off the current path between frequency changing driving system and the towing machine through control unit, in order to avoid energy-storage travelling wave tube continues to supply power and consumed power to towing machine; Control unit control commutation inversion system works; The stored electric energy of energy-storage travelling wave tube transfers to the elevator band-type brake through commutation inversion system, band-type brake control system, avoids the instantaneous stop of elevator band-type brake, the safety when having improved the elevator operation.
Description of drawings
Fig. 1 is the functional block diagram of the said elevator device of the embodiment of the invention;
Description of reference numerals:
1, power input, 2, control unit, 3, the commutation inversion system, 4, frequency changing driving system, 5, the band-type brake control system, 6, the elevator band-type brake, 7, towing machine, 8, energy-storage travelling wave tube.
The specific embodiment
Be elaborated in the face of embodiments of the invention down.
As shown in Figure 1, a kind of elevator device, this elevator operation control system comprises:
A, power input 1 are to band-type brake control system 5 and 3 power supplies of commutation inversion system;
B, control unit 2; " having " of receiving power input 1 reaches " outage " signal, if power input 1 input is " having " signal, then controls commutation inversion system 3 and frequency changing driving system 4 work; In the present embodiment, control unit 2 is DSP (digital signal processing chip);
C, commutation inversion system 3, when normal and towing machine 7 was in electronic operating mode at power supply, the power supply of power input 1 became direct current (DC) after through this commutation inversion system 3, simultaneously to energy-storage travelling wave tube 8 energy storage; When towing machine 7 was in generating operation mode or power supply power failure, the electric energy inversion that this commutation inversion system 3 is stored up energy-storage travelling wave tube 8 was a three plase alternating current, to 5 power supplies of band-type brake control system;
D, frequency changing driving system 4, work or do not work under the control of control unit 2, during frequency changing driving system 4 work, the direct current (DC) of commutation inversion system 3 outputs becomes alternating current and is delivered to towing machine 7 after through this frequency changing driving system 4;
E, band-type brake control system 5, under the control of control unit 2, the power supply that the power supply or the commutation inversion system 3 of power input 1 imported exports elevator band-type brake 6 to;
F, elevator band-type brake 6, the elevator band-type brake, under the situation of its power supply, this elevator band-type brake 6 unclamps in band-type brake control system 5, stops under the situation of its power supply in band-type brake control system 5, and this elevator band-type brake 6 is held tightly and is realized braking;
G, towing machine 7 receive the electric energy that frequency changing driving system 4 is exported, and drive cage operation;
H, energy-storage travelling wave tube 8; Have at power input 1 under the situation of electricity; The electric energy that reception commutation inversion system 3 or frequency changing driving system 4 are exported stores; Under the situation of power input 1 outage, stored electric energy is delivered to elevator band-type brake 6 through commutation inversion system 3, band-type brake control system 5, to realize elevator band-type brake 6 slow stops; Wherein, energy-storage travelling wave tube 8 is high-capacity electric capacity.
The elevator progress control method that is adopted in the present embodiment comprises the steps:
A, elevator start, and control unit 2 obtains " having " signal, control unit 2 control commutation inversion systems 3 and frequency changing driving system 4 work;
B, input power supply pass through commutation inversion system 3 successively to energy-storage travelling wave tube 8 energy storage; And pass through frequency changing driving system 4 to towing machine 7 power supplies; Towing machine 7 drives cage operation, and the input power supply is supplied power to elevator band-type brake 6 through band-type brake control system 5 simultaneously, and elevator band-type brake 6 is opened;
C, power input 1 outage; Control unit 2 obtains " outage " signal, and 3 work of control unit 2 control commutation inversion systems, frequency changing driving system 4 are not worked, at this moment; Power path between energy-storage travelling wave tube 3 and the towing machine 7 is cut off, avoid 3 accumulates of energy-storage travelling wave tube can flow to towing machine 7;
D, energy-storage units institute accumulate can pass through commutation inversion system 3, band-type brake control system 5 to 6 power supplies of elevator band-type brake, and along with the consumption gradually of energy-storage travelling wave tube 8 electric energy, elevator band-type brake 6 is slowly held tightly.
The advantage of present embodiment is: import under the normal situation at power supply; Be used for large bulk capacitance that rectification uses as energy-storage travelling wave tube with former; Under the situation of elevator outage, through the current path between control unit 2 cut-out frequency changing driving systems 4 and the towing machine 7, in order to avoid energy-storage travelling wave tube 8 continues to supply power and consumed power to towing machine 7; 3 work of control unit 2 control commutation inversion systems; Energy-storage travelling wave tube 8 stored electric energy transfer to elevator band-type brake 6 through commutation inversion system 3, band-type brake control system 5, avoid elevator band-type brake 6 instantaneous stops, the safety when having improved the elevator operation.
More than be merely specific embodiment of the present invention, do not limit protection scope of the present invention with this; Any replacement and the improvement on the basis of not violating the present invention's design, done all belong to protection scope of the present invention.
Claims (4)
1. an elevator progress control method is characterized in that, this method comprises the steps:
A, elevator start, and control unit obtains " having " signal, control unit control commutation inversion system and frequency changing driving system work;
B, input power supply pass through the commutation inversion system successively to the energy-storage travelling wave tube energy storage, and supply power to towing machine through frequency changing driving system, and towing machine drives cage operation, and the input power supply passes through the band-type brake control system simultaneously to the power supply of elevator band-type brake, and the elevator band-type brake is opened;
C, power input outage, control unit obtains " outage " signal, and control unit control commutation inversion system works, frequency changing driving system are not worked;
D, energy-storage units institute accumulate can pass through commutation inversion system, band-type brake control system to the power supply of elevator band-type brake, and along with the consumption gradually of energy-storage travelling wave tube electric energy, the elevator band-type brake is slowly held tightly.
2. elevator progress control method according to claim 1 is characterized in that said elevator band-type brake includes holds spring, brake lining and band-type brake coil tightly; In said B step, said input power delivery is to the band-type brake coil, and the magnetic force that the band-type brake coil produces overcomes the elastic force of holding spring tightly and brake lining is unclamped.
3. an elevator device is characterized in that, this elevator operation control system comprises:
A, power input are to band-type brake control system and the power supply of commutation inversion system;
B, control unit, " having " of receiving power input reaches " outage " signal, if the power input input is " having " signal, then controls commutation inversion system and frequency changing driving system work;
C, commutation inversion system, when normal and towing machine was in electronic operating mode at power supply, the power supply of power input became direct current (DC) after through this commutation inversion system, simultaneously to the energy-storage travelling wave tube energy storage; When towing machine was in generating operation mode or power supply power failure, this commutation inversion system was a three plase alternating current with the electric energy inversion that energy-storage travelling wave tube stored up, and supplies power to the band-type brake control system;
D, frequency changing driving system, work or do not work under the control of control unit, during work, the direct current (DC) of commutation inversion system outlet becomes alternating current and is delivered to towing machine after through this frequency changing driving system;
E, band-type brake control system, under the control of control unit, the power supply that the power supply or the commutation inversion system of power input imported exports the elevator band-type brake to;
F, elevator band-type brake, under the situation of its power supply, this elevator band-type brake unclamps in the band-type brake control system, stops under the situation of its power supply in the band-type brake control system, and this elevator band-type brake is held tightly and is realized braking;
G, towing machine receive the electric energy that frequency changing driving system is exported, and drive cage operation;
H, energy-storage travelling wave tube; Have at power input under the situation of electricity; The electric energy that reception commutation inversion system or frequency changing driving system are exported stores; Under the situation of power input outage, stored electric energy is delivered to the elevator band-type brake through commutation inversion system, band-type brake control system, to realize the slow stop of elevator band-type brake.
4. like the said elevator device of claim 3, it is characterized in that said energy-storage travelling wave tube is an electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104196756A CN102491133A (en) | 2011-12-14 | 2011-12-14 | Elevator operation control method and elevator system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104196756A CN102491133A (en) | 2011-12-14 | 2011-12-14 | Elevator operation control method and elevator system |
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| CN102491133A true CN102491133A (en) | 2012-06-13 |
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| CN2011104196756A Pending CN102491133A (en) | 2011-12-14 | 2011-12-14 | Elevator operation control method and elevator system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129565A (en) * | 2015-10-16 | 2015-12-09 | 日立电梯（中国）有限公司 | Fault detecting method for braking device |
| CN114940427A (en) * | 2022-05-18 | 2022-08-26 | 浙江工业大学 | Device and method for recycling elevator operation renewable energy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58197167A (en) * | 1982-05-11 | 1983-11-16 | 三菱電機株式会社 | Controller for alternating current elevator |
| JPH0859122A (en) * | 1994-08-24 | 1996-03-05 | Hitachi Building Syst Eng & Service Co Ltd | Rescue operation device of elevator |
| JP2007137621A (en) * | 2005-11-21 | 2007-06-07 | Mitsubishi Electric Corp | Elevator control device |
| CN200961088Y (en) * | 2006-10-11 | 2007-10-17 | 西子奥的斯电梯有限公司 | Time delay band brake control system for electromagnetic brake |
-
2011
- 2011-12-14 CN CN2011104196756A patent/CN102491133A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58197167A (en) * | 1982-05-11 | 1983-11-16 | 三菱電機株式会社 | Controller for alternating current elevator |
| JPH0859122A (en) * | 1994-08-24 | 1996-03-05 | Hitachi Building Syst Eng & Service Co Ltd | Rescue operation device of elevator |
| JP2007137621A (en) * | 2005-11-21 | 2007-06-07 | Mitsubishi Electric Corp | Elevator control device |
| CN200961088Y (en) * | 2006-10-11 | 2007-10-17 | 西子奥的斯电梯有限公司 | Time delay band brake control system for electromagnetic brake |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129565A (en) * | 2015-10-16 | 2015-12-09 | 日立电梯（中国）有限公司 | Fault detecting method for braking device |
| CN105129565B (en) * | 2015-10-16 | 2017-08-11 | 日立电梯（中国）有限公司 | A kind of brake apparatus fault detection method |
| CN114940427A (en) * | 2022-05-18 | 2022-08-26 | 浙江工业大学 | Device and method for recycling elevator operation renewable energy |
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Application publication date: 20120613 |