CN1802310A - Vertical traction machine for elevators, with safety guarantee and emergency capability according to standardized design - Google Patents
Vertical traction machine for elevators, with safety guarantee and emergency capability according to standardized design Download PDFInfo
- Publication number
- CN1802310A CN1802310A CNA038267802A CN03826780A CN1802310A CN 1802310 A CN1802310 A CN 1802310A CN A038267802 A CNA038267802 A CN A038267802A CN 03826780 A CN03826780 A CN 03826780A CN 1802310 A CN1802310 A CN 1802310A
- Authority
- CN
- China
- Prior art keywords
- elevator
- rotor
- safety assurance
- towing machine
- standardized designs
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to a vertical traction system for lifting elevators, consistirg of a motor comprising a low-slip, high-torque asynchronous stator (2) and rotor (1), a driving pulley (3) which is rigidly connected to the rotor (1), an electromechanical brake (7) and a movement-detector system comprising a digital encoder (8) which is used to analyse information relating to the angular speed of the rotor (1). The torque is transmitted directly to the elevator between the motor and the pulley, without the use of gears. The inventive system is characterised in that , in the absence of voltage, the motor can be powered with direct current form batteries by varying the frequency and voltage. Using the same model, power of between 2.2 kW and 20 kW can be obtained. In the event of a breakdown, when electric current is still available, the motor is actuated until the elevator reaches a floor and the doors are opened.
Description
The present invention relates to a kind of possess safety assurance and emergent performance, by the elevator vertical towing machine of standardized designs.
Face current market to lift product fastidious even harsh requirement day by day, the lift facility that adapts to the current market demand should have following characteristics:
-removal is at the machine system of elevator napex;
-strengthen the yield of each system to reach the effect of energy savings;
-weaken the power of driving engine;
-according to the theory of current ecophilosophy, should eliminate the use of machine oil in elevator;
-by the volume of reduction equipment system, increase the space and the maximum capacity amount of elevator;
-under the prerequisite of controlling cost, promote the operating speed of elevator, so that this system can reduce present departmental cost because of efficiency factor behind place in operation;
-low production cost, the equipment part of unified standardization;
-be reduced at when running into accident elevator user's rescue operation, rely on self-contained small battery, elevator even can under the situation of the unregulated power energy, move a period of time;
-make driving engine can be used as electrical generator simultaneously, to reach the effect that can generate electricity it is restarted;
-make the power consumption of elevator reduce to 60% of present common power consumption.
Along with possessing safety assurance and emergent performance, press the place in operation of the vertical towing machine of elevator of standardized designs, the shortcoming that all present elevators embodied will not exist.
This system is with conventional lift system difference in the market: this system can provide more wide usage space, can use elevator for 4 to 26 people, no clear and definite system's place of erection requirement, a towing machine can be the polytype elevator and uses, do not need it to be safeguarded with machine oil, have higher yield and lower installation power, in application, have more preceence express elevator.
Can better further understand the operation of system described in the invention according to being attached to the last picture of patent document, and the structure of system.
Fig. 1: the right side generalized section of towing machine driving engine;
Fig. 2: the part scheme drawing of towing machine driving engine;
Fig. 3: the left side generalized section of towing machine driving engine;
Fig. 4: the right side generalized section of the towing machine driving engine in elevator;
Fig. 5: the left side generalized section of the towing machine driving engine in elevator.
Core in the native system is an engine apparatus, such as Fig. 1, shown in 2 and 3; Should The engine fuselage is hard solid, for car and counterweight provide operation power. This engine is main By rotor (1), asynchronous stator (2), a traction pulley (3), an electromotor brake (7) Form with an operation detector system.
Rotor and asynchronous stator
We are referred to as asynchronous dynamo is that the rate of rotation difference of the rotating field of internal body is very little because of design and production according to motor.As material, asynchronous dynamo will be lower than synchronous dynamo on cost.This later-model rotor design is similar with existing design on purposes, but rate of rotation difference very little (between 2% to 5%), and existing product revolutional slip is about 15%.Can make thus yield bigger and the power consumption still less.The design of this product rotor (1) is a squirrel-cage; Characteristics are for using copper rectangular metal circle as winding, and the specification of this copper rectangular metal circle is approximately 5 * 16mm, and quantity is approximately 66 circles, and the inclination angle is approximately 8%, and diameter is 280mm, and a central circular is arranged.
Stator is the magnetic sheet of 0.5mm by many thickness, and 72 for the groove that twines and 12 electrodes compositions.Can select different coils according to different power needs.The characteristics of the stator of this product are to have the coil that can change length according to actual needs and twine carrier.
The geometry theory design of this product rotor can be carried out winding according to the needs of effect horse power.
Fixing stator apparatus is bolted between two annulus with 8 by the magnetic sheet bundle (2) of stator and constitutes.Whole device is connected on the cover plate (6) of both sides, is fixed on two bearings of above-mentioned rotor and rotating shaft.
About forcing unidirectional drafting apparatus, air-flow flow to the other end from an end of rotor stator device, as shown in Figure 2, with the lid of a hollow seal pulley to face portion to absorb hot air and its discharge.The temperature of any parts of whole equipment can not be higher than 65 ℃ under the state of fully operation.
The core technology of this product is the design of its asynchronous dynamo, makes it to have lower revolutional slip and higher asynchronous moment of torsion is arranged, and nobody relates to this technical field so far.The advantage that this product makes permagnetic synchronous motor completely without, because this product can have identical product according to different feed power line voltage and frequency, any power between the 2.2KW to 20KW is provided, and the product that permagnetic synchronous motor need be made multiple model to be adapting to the needs of different capacity, so cost is very high.This product has the characteristics of direct electronic pulley drive simultaneously, no longer is equipped with special gear.
Another big advantage of this product is because its operation under highest temperature is very smooth and easy, has prolonged its service life greatly, and generally its useful life is 30 to 60 years.
Hauling block
Hauling block (3) is fixed on the axle (4) of rotor (1), and twist moment is a point with pulley, relies on one upwards curved 180 °, becomes the cable pulling elevator of camber.In the top of this power block (3) a cylinder dead zone is arranged, be used for directly starting damper brake and starting the operation that brake torque stops elevator.
How many power blocks (3) is divided into different model (face area difference) according to the groove that twines for cable, and to adapt to the demand of different quantity fulls, the quantity of groove is floated between 3 to 7.Fixed diameter is 320mm.
Electromotor brake
Electromotor brake (7) is made up of the damper brake of electromagnet with overexcitation electric current and pulley disc mentioned above (3) top.Its effect is to make the elevator gradual braking.
The operation checking system
Native system is made up of a digital sensor (8) that is attached directly to above the rotor shaft (4), is used for transmitting the data of rotor (1) rotating speed.Have high security and reliability.
At this, during the product content of patent of the present invention was introduced, we had enclosed the feasible riding position scheme drawing of machine, as Fig. 4, shown in Figure 5, towing machine is positioned at the top section in elevator hole and rolls sheet (9) embedding support within the walls by two, rolls sheet and is used as dispersive pressure and plays certain insulation effect.
Below, we will design two kinds of prediction schemes at the emergency escape of this elevator traction machine under the following power operation failure condition that may occur.A) the automatic-aid scheme under the not enough condition of electric power supply.B) in the manual escape scheme that has under the ambient pressure.
Be the enforcement of above prediction scheme, need a control box and one to be located at bottom emergency evacuation passage usually, the storage battery of this system disposition 84V (7 joint .12V) relies on frequency converter to open elevator door directly for electrical motor provides the electric power support.
The A prediction scheme: when lacking extraneous electric power, elevator will reach set floor, open elevator door, and trapped personnel is escaped, and above process is for finishing automatically.In the case, system trends towards making elevator to descend, but under the moment of torsion deficiency can't the situation of implementation and operation, elevator can rise.If the moment of torsion abundance, elevator will directly drop to bottom.Which kind of situation no matter occurs, elevator all will stop automatically, open elevator door, and the emergency escape system closes thereupon.If emergency situation occurs in set floor, elevator door will directly be opened immediately.
The B prediction scheme: under the condition of extraneous power supply abundance, in case of emergency can M/C make the elevator operation, this moment may with the getting in touch of the security department in the external world, can manually recover to make elevator to be controlled, make elevator arrive set floor door opened.
Native system all is provided with image and voice detector at the floor that each elevator arrives, and the calibration package of elevator can have electronic, and with manual three kinds of modes, it is perfectly safe really to accomplish automatically.
As mentioned above, patent of the present invention is a kind of novel vertical towing machine elevator device on the market, has exceeded the product on the existing market on some performances, and has optimized some existing technology.Provide a kind of better quality on vertical towing machine elevator device market, speed is faster, more cost-effective type.
Be described in characteristics and function, and, need to prove after the actual use of system for native system, the material that native system adopts, size and making only otherwise the characteristics of native system are produced material alterations, all can be adjusted.The claimed scope of native system is as the criterion with claims restricted portion.
Claims
(according to the modification of the 19th of treaty)
1, a kind of vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance; It comprises an electrical motor, this electrical motor comprises rotor (1), asynchronous stator (2), a traction pulley (3) that combines with rotor (1), one be fixed on periphery on traction pulley (3) and the rotor (2), be used for directly starting damper brake and start the electromotor brake (7) that brake torque stops the elevator operation, an operation detector system and the calibration package under the current anomaly state; Be characterised in that described electrical motor is an asynchronous dynamo, this electrical motor can provide any power between the 2.2KW to 20KW by identical product according to different feed power line voltage and frequency, and available electrical motor with a kind of model adapts to different needs, saves cost.
2, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that, described asynchronous stator (2) comprises some ultra-thin bolted magnetic sheets that pass through, and 72 for the grooves that twine, 12 electrodes; The design of this rotor (1) is a squirrel-cage, uses copper rectangular metal circle as winding, and the specification of this rectangular metal circle is approximately 5 * 16mm, and quantity is approximately 66 circles, and the inclination angle is approximately 8%, and diameter is 280mm, and a central circular is arranged.
3, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that, under the unusual condition of extraneous electric power supply, the storage battery that available calibration package is equipped with 84V relies on frequency converter directly to provide the electric power support for electrical motor, make the control box operation normal, elevator brought to promptly decide floor, open elevator door.
Claims (8)
1, a kind of vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance; Be characterised in that it comprises an electrical motor, this electrical motor comprises rotor (1), asynchronous stator (2), a traction pulley (3), an electromotor brake (7) and an operation detector system.
2, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that, the design of described rotor (1) is a squirrel-cage, it uses copper rectangular metal circle as winding, the inclination angle of this rectangular metal circle is approximately 8%, diameter is 280mm, and a central circular is arranged.
3, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1 is characterized in that described stator (2) comprises some ultra-thin magnetic sheets, and 72 for the groove that twines, 12 electrodes; The device of fixed stator is fixed by bolts between two annulus by the magnetic sheet bundle of stator and constitutes.
4, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that described electromotor brake (7) comprises the damper brake of electromagnet with overexcitation electric current and pulley disc top.
5, according to claim 1 and the 4 described vertical towing machines of the elevator by standardized designs that possess safety assurance and emergent performance, it is characterized in that, described hauling block (3) is fixed on the axle (4) of rotor (1), in the top of this power block (3) a cylinder dead zone is arranged, be used for directly starting damper brake and starting the operation that brake torque stops elevator.
6, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that, described system operation detector comprises a digital sensor (8) that is attached directly to above the rotor shaft (4), is used for transmitting the data of rotor (1) rotating speed.
7, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1, it is characterized in that, also comprise one group of direct current (DC) storage battery, it can guarantee to support engine running under the situation of extraneous electric power supply deficiency.
8, the vertical towing machine of the elevator by standardized designs that possesses safety assurance and emergent performance according to claim 1 is characterized in that, need not set up a metab that is supported by the building bearing wall on elevator top and come place machine.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/ES2003/000232 WO2004103881A1 (en) | 2003-05-21 | 2003-05-21 | Vertical traction system for elevators, with built-in control, safety and emergency system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1802310A true CN1802310A (en) | 2006-07-12 |
Family
ID=33462325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA038267802A Pending CN1802310A (en) | 2003-05-21 | 2003-05-21 | Vertical traction machine for elevators, with safety guarantee and emergency capability according to standardized design |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1650154A1 (en) |
| CN (1) | CN1802310A (en) |
| AU (1) | AU2003233802A1 (en) |
| WO (1) | WO2004103881A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009036692A1 (en) * | 2007-09-14 | 2009-03-26 | Fangui Meng | An unloading alternate current permanent-magnet synchronous dragging machine |
| CN102976172A (en) * | 2011-09-06 | 2013-03-20 | 塞德斯股份公司 | Sensor, safety device and lift device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4718214B2 (en) * | 2005-03-23 | 2011-07-06 | 株式会社日立製作所 | Electromagnetic brake device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04333487A (en) * | 1991-05-09 | 1992-11-20 | Hitachi Ltd | Elevator and brake device |
| US6371248B1 (en) * | 1998-12-14 | 2002-04-16 | Inventio Ag | Drive unit for elevators |
| EP1069068B1 (en) * | 1999-07-16 | 2006-06-07 | Inventio Ag | Compact drive for an elevator |
| JP2003104666A (en) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | Hoisting machine and elevator device |
-
2003
- 2003-05-21 EP EP03727512A patent/EP1650154A1/en not_active Withdrawn
- 2003-05-21 WO PCT/ES2003/000232 patent/WO2004103881A1/en not_active Application Discontinuation
- 2003-05-21 CN CNA038267802A patent/CN1802310A/en active Pending
- 2003-05-21 AU AU2003233802A patent/AU2003233802A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009036692A1 (en) * | 2007-09-14 | 2009-03-26 | Fangui Meng | An unloading alternate current permanent-magnet synchronous dragging machine |
| CN102976172A (en) * | 2011-09-06 | 2013-03-20 | 塞德斯股份公司 | Sensor, safety device and lift device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1650154A1 (en) | 2006-04-26 |
| WO2004103881A1 (en) | 2004-12-02 |
| AU2003233802A1 (en) | 2004-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |