CN101987709B - Power switch control device of elevator - Google Patents
Power switch control device of elevator Download PDFInfo
- Publication number
- CN101987709B CN101987709B CN 201010243952 CN201010243952A CN101987709B CN 101987709 B CN101987709 B CN 101987709B CN 201010243952 CN201010243952 CN 201010243952 CN 201010243952 A CN201010243952 A CN 201010243952A CN 101987709 B CN101987709 B CN 101987709B
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- Prior art keywords
- power supply
- main contact
- contact
- elevator
- promptly
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Abstract
A power switch control device of an elevator comprises the following components: an AC/DC converter; a smooth capacitor; an inverter which inverts DC current after smoothing to AC current; an elevator driving motor which is driven by the output of the inverter; a first switch circuit which is provided with a series circuit of a main contact and an auxiliary contact, the main contact is inserted between a commercial AC power source and a transformer and is energized in the elevator operation period, the auxiliary contact is connected with the main contact in parallel and is energized before a resistor for charging the smooth capacitor and the main contact; and a second switch circuit which is provided with a series circuit of a main contact and an auxiliary contact. The main contact is inserted between an emergency DC power source and the transformer and is energized in an emergency operation period of the elevator. The auxiliary contact is connected with the main contact in parallel and is energized before the resistor for charging the smooth capacitor and the emergency main contact. When the power of the commerical power source is off, the power switch control device of the elevator supplies power to the transformer through the second switch circuit.
Description
Technical field
The present invention relates to a kind of power supply switching control of elevator, especially relate to a kind of at commercial ac power source with the power supply switching control of the elevator that switches between promptly with direct supply.
Background technology
As prior art, disclosed when power failure has taken place the source power supply to elevator supply, make as urgent storage battery with power supply etc. to be connected with elevator and power supply switch circuit (with reference to patent documentation 1) that elevator is moved.
Fig. 3 is the instruction diagram that the expression elevator that has taken place to use when having a power failure at source power supply of the prior art is used the power supply control switching circuit.
In Fig. 3, when source power supply 10 normal operation, make excitation winding 11a excitation and make source power supply connect (close) with main contact 11, and make emergency circuit be in disconnection (open) state with main contact 21.When lift motor 18 starting, making before operation connects with main contact 31, earlier by making excitation winding 32a excitation that secondary contact 32 is connected.Thus, source power supply 10 via source power supply with main contact 11, with drive secondary contact 32 and the 33 pairs of smooth condensers of charging resistance 15 be connected in parallel with main contact 31 and carry out initial charge.
After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made excitation winding 31a excitation, and main contact 31 is connected.
On the other hand, when power failure has taken place source power supply 10, make excitation winding 21a excitation and emergency electric power source is connected with main contact 21, and source power supply is disconnected with main contact 11.At this moment, secondary contact 32 and the 33 pairs of smooth condensers of charging resistance 15 that promptly are connected in parallel via main contact 21, with main contact 31 with direct supply 20 carry out initial charge.
After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made the excitation winding 31a excitation of main contact 31, thereby main contact 31 is connected.
[patent documentation 1] open patent 2002-137875 of Japan communique
In the prior art, switching relevant control with the power supply of elevator is that source power supply is brought into play function respectively independently with main contact 11 and urgent namely the operation with the control of main contact 31 with the switching controls between the main contact 21 with for the control that moves with power supply.Therefore, be necessary to be provided for respectively at source power supply and the source power supply that switches between promptly with power supply with main contact and emergency electric power source with main contact and operation with main contact 31.
Summary of the invention
The present invention makes in view of existing problem in the above-mentioned prior art, the object of the present invention is to provide a kind of power supply switching control of elevator, the power supply switching control of described elevator can make commercial ac power source and promptly be integral with the commutation circuit of direct supply and the combination of circuits of moving for control.
The present invention has adopted device as described below in order to solve above-mentioned problem.
The power supply switching control of elevator of the present invention has: the changer that commercial ac power source is transformed to direct current; Make the cond of the output smoothingization of this changer; Will be through the inverter of DC converting for exchanging of smoothing; The electrically operated elevator drive electrical motor of interchange by the output of this inverter;
The 1st switch circuit, described the 1st switch circuit has the circuit series of main contact and secondary contact, wherein said main contact is inserted between described commercial ac power source and the described changer, and elevator move during energized, described secondary contact and described main contact are connected in parallel, and are right after before smooth condenser charging is energized with resistance and described main contact and are energized; And
The 2nd switch circuit, described the 2nd switch circuit has the circuit series of main contact and secondary contact, wherein said main contact is inserted in urgent with between direct supply and the described changer, and elevator promptly move during energized, described secondary contact and described main contact are connected in parallel, and be right after in smooth condenser charging with resistance and described promptly energized before being energized with main contact
When source power supply had a power failure, the power supply switching control of described elevator was by powering to described changer with described the 2nd switch circuit that promptly is connected with direct supply.
(invention effect)
Because the present invention has adopted said structure, so a kind of power supply switching control of elevator can be provided, the power supply switching control of described elevator can be with commercial ac power source and promptly is integral with the commutation circuit of direct supply and the combination of circuits of moving for control.
Description of drawings
Fig. 1 is the instruction diagram of power supply control switching circuit of the elevator of the 1st embodiment.
Fig. 2 is the instruction diagram of power supply control switching circuit of the elevator of the 2nd embodiment.
Fig. 3 is the instruction diagram of the power supply control switching circuit of elevator of the prior art.
Nomenclature
The 10-source power supply; 11-source power supply main contact; The secondary contact of 12-; 11a, 12a, 21a, 22a-electromagnetic contactor excitation winding; 13,23-charging resistance; The 14-changer; The 15-smooth condenser; The 16-dc voltage detector; The 17-inverter; The 18-electrical motor; 20-promptly uses power supply; 21-emergency electric power source main contact; The secondary contact of 22-; The 40-control circuit.
The specific embodiment
Followingly with reference to accompanying drawing embodiments of the present invention are described.Fig. 1 is the instruction diagram of the 1st embodiment of the present invention.
In Fig. 1, when source power supply 10 normal operation, control circuit 40 makes secondary contactless switch excitation winding 12a excitation according to the operation sign on, thereby secondary contact 12 is connected.Source power supply 10 carries out initial charge via secondary contact 12, charging resistance 13 and 14 pairs of smooth condensers of changer 15.
After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made main contactor excitation winding 11a excitation, thereby source power supply main contact 11 is connected.After this, send the driving signal to changer 14 and inverter 17, electrical motor 18 is rotated driving, thereby can drives lift car at ascent direction or descent direction.
On the other hand, when power failure has taken place source power supply, make secondary contactless switch excitation winding 22a excitation, thereby connect and the secondary contact 22 that promptly is set up in parallel with main contact 22 with power supply.Thus, promptly charge via secondary contact 22, charging resistance 23 and 14 pairs of smooth condensers 15 of changer with power supply 20.After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made main contactor excitation winding 21a excitation, thereby main contact 21 is connected.After this, send the driving signal to changer 14 and inverter 17, electrical motor 18 is rotated driving, thereby can drives lift car at ascent direction or descent direction.
Fig. 2 is the instruction diagram of the 2nd embodiment of the present invention.In the present embodiment, charging resistance 13 and the charging resistance 23 in shared the 1st embodiment.
In Fig. 2, when source power supply 10 normal operation, control circuit 40 makes secondary contactless switch excitation winding 12a excitation according to the operation sign on, thereby secondary contact 12 is connected.Source power supply 10 carries out initial charge via secondary contact 12, charging resistance 13 and 14 pairs of smooth condensers of changer 15.
After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made main contactor excitation winding 11a excitation, thereby contact 11 is connected.After this, transmit control signal to changer 14 and inverter 17, electrical motor 18 is rotated driving, thereby can drive lift car at ascent direction or descent direction.
On the other hand, when power failure has taken place source power supply, make secondary contactless switch excitation winding 22a excitation, connect urgent secondary contact 22 connections with power supply 20 and charging resistance 13 thereby make.Thus, promptly charge via secondary contact 22, charging resistance 13 and 14 pairs of smooth condensers 15 of changer with power supply 20.After the output that the charging of smooth condenser 15 proceeds to dc voltage detector 16 was expressed as specified value, control circuit 40 made main contactor excitation winding 21a excitation, thereby main contact 21 is connected.After this, after transmitting control signal to changer 14 and inverter 17, electrical motor 18 is rotated driving, thereby can drives lift car at ascent direction or descent direction.
In addition, changer 14 and inverter 17 can be used as inverter respectively and changer uses, and at this moment, the electric power of electrical motor 18 can be regenerated in power supply.
As mentioned above, according to present embodiment since can with source power supply and urgent with power supply commutation circuit and be used for the combination of circuits that control moves and be integral, so can merge by docking point, thereby can simplify the structure of circuit.
Claims (1)
1. the power supply switching control of an elevator is characterized in that having:
Commercial ac power source is transformed to the changer of direct current;
Make the smooth condenser of the output smoothingization of this changer;
Will be through the inverter of DC converting for exchanging of smoothing;
The electrically operated elevator drive electrical motor of interchange by the output of this inverter;
The 1st switch circuit, described the 1st switch circuit has source power supply that source power supply is connected in parallel with main contact, with described main contact with charging resistance and the source power supply circuit series with secondary contact, wherein said source power supply is inserted between described commercial ac power source and the described changer with main contact, and elevator move during energized, described source power supply was right after before smooth condenser charging is energized with main contact with resistance and described source power supply with secondary contact and is energized;
The 2nd switch circuit, described the 2nd switch circuit have promptly with power supply with main contact, with this main contact be connected in parallel promptly with power supply with charging resistance and urgent with the circuit series of power supply with secondary contact, wherein saidly promptly be inserted in urgent with between direct supply and the described changer with main contact with power supply, and elevator promptly move during energized, describedly promptly be right after in the charging of described smooth condenser with resistance with describedly energized before promptly being energized with main contact with power supply with secondary contact with power supply; And
Control circuit, described control circuit is when described commercial ac power source normal operation, according to the operation sign on described source power supply is connected with secondary contact, via described charging resistance and described changer described smooth condenser is charged, output at the dc voltage detector that is connected with described smooth condenser becomes under the situation of specified value, described source power supply is connected with main contact, thereby described electrical motor is rotated driving; Described control circuit is when source power supply has a power failure, make and describedly promptly connect with secondary contact with power supply, via described charging resistance and described changer described smooth condenser is charged, output at the dc voltage detector that is connected with described smooth condenser becomes under the situation of specified value, make and describedly promptly connect with main contact with power supply, thereby described electrical motor is rotated driving
Described source power supply is a resistance with charging resistance and described promptly sharing with charging resistance with power supply.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009180676A JP5232099B2 (en) | 2009-08-03 | 2009-08-03 | Elevator power switching control device |
| JP2009-180676 | 2009-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101987709A CN101987709A (en) | 2011-03-23 |
| CN101987709B true CN101987709B (en) | 2013-08-14 |
Family
ID=43744530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010243952 Expired - Fee Related CN101987709B (en) | 2009-08-03 | 2010-07-30 | Power switch control device of elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5232099B2 (en) |
| CN (1) | CN101987709B (en) |
| HK (1) | HK1151780A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684141B (en) * | 2012-08-31 | 2016-09-07 | 安川电机（中国）有限公司 | Controller for motor and motor control method |
| CN106185491A (en) * | 2016-08-31 | 2016-12-07 | 艾瑞斯股份有限公司 | The control method of a kind of elevator control cabinet control circuit and control circuit |
| JP6704518B2 (en) * | 2017-05-18 | 2020-06-03 | 三菱電機株式会社 | Elevator control equipment |
| CN113526285B (en) * | 2021-07-14 | 2023-03-31 | 日立楼宇技术（广州）有限公司 | Elevator power failure emergency equipment, method and device and elevator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105991A (en) * | 1985-09-02 | 1987-03-04 | 株式会社日立制作所 | The device of control alternating-current electrical lift |
| CN1067632A (en) * | 1991-06-12 | 1993-01-06 | 三菱电机株式会社 | The blackout running gear of elevator |
| JP2001261245A (en) * | 2000-03-22 | 2001-09-26 | Mitsubishi Electric Corp | Elevator control device |
| CN1419518A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Emergency power supply device for lift systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6166593A (en) * | 1984-09-07 | 1986-04-05 | Hitachi Ltd | Controller of ac motor |
| JPH05227761A (en) * | 1992-02-10 | 1993-09-03 | Hitachi Ltd | Protective circuit for power converter |
| JP3068981B2 (en) * | 1993-06-07 | 2000-07-24 | 株式会社東芝 | Elevator control device |
| JPH08340687A (en) * | 1995-06-14 | 1996-12-24 | Matsushita Electric Ind Co Ltd | Motor controller |
| JPH11292412A (en) * | 1998-04-13 | 1999-10-26 | Hitachi Ltd | Control device for elevator |
| JP2006191725A (en) * | 2005-01-05 | 2006-07-20 | Toshiba Mitsubishi-Electric Industrial System Corp | High-voltage ac motor drive unit |
-
2009
- 2009-08-03 JP JP2009180676A patent/JP5232099B2/en active Active
-
2010
- 2010-07-30 CN CN 201010243952 patent/CN101987709B/en not_active Expired - Fee Related
-
2011
- 2011-06-14 HK HK11105967.5A patent/HK1151780A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105991A (en) * | 1985-09-02 | 1987-03-04 | 株式会社日立制作所 | The device of control alternating-current electrical lift |
| CN1067632A (en) * | 1991-06-12 | 1993-01-06 | 三菱电机株式会社 | The blackout running gear of elevator |
| JP2001261245A (en) * | 2000-03-22 | 2001-09-26 | Mitsubishi Electric Corp | Elevator control device |
| CN1419518A (en) * | 2000-03-31 | 2003-05-21 | 因温特奥股份公司 | Emergency power supply device for lift systems |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5232099B2 (en) | 2013-07-10 |
| JP2011032055A (en) | 2011-02-17 |
| HK1151780A1 (en) | 2012-02-10 |
| CN101987709A (en) | 2011-03-23 |
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