CN102390772B - Elevator self-help system - Google Patents
Elevator self-help system Download PDFInfo
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- CN102390772B CN102390772B CN201110346560.9A CN201110346560A CN102390772B CN 102390772 B CN102390772 B CN 102390772B CN 201110346560 A CN201110346560 A CN 201110346560A CN 102390772 B CN102390772 B CN 102390772B
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- unit
- band
- type brake
- elevator
- open contact
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator self-help system which comprises a motor and a band-type brake used for an elevator system, wherein the motor is used for driving a lift car; the band-type brake is used for braking the lift car; the elevator self-help system also comprises a short circuit unit, a band-type brake releasing unit, a band-type brake controlling unit, a first normally open contact unit and a fault detection unit, wherein the motor is electrically connected with the short circuit unit through the first normally open contact unit; the short circuit unit is used for connecting the motor in short circuit; the band-type brake controlling unit is electrically connected with the band-type brake releasing unit and is used for controlling the band-type brake releasing unit to release the band-type brake; and the fault detection unit is used for controlling the closing and opening of the first normally open contact unit through detecting whether the elevator system breaks down or not. The elevator system in the invention enables a user to control the elevator to descend to the bottom of an elevator shaft leveling zone, thereby enabling the user to rapidly escape from predicament.
Description
Technical field
The present invention relates to a kind of elevator self-rescue system, while particularly relating to a kind of elevator faults, the self-rescue system of trapped personnel.
Background technology
During Lift out of order on existing market, elevator may be parked in the non-flat bed zone position in elevator and cannot move, after now conventionally need to being notified by professional elevator maintenance personnel, rush towards incident elevator and implement rescue, wherein wait for that elevator maintenance personnel process often just need to continue the time of 30 minutes to 1 hour, thereby cause very large psychological harmful effect to stranded passenger.
Particularly during home lift et out of order, because elevator is arranged in user house, so once elevator faults oppressive, rescue group just have to force open the door or get in touch with relevant family members and open the door, thereby give, rescue and maintenance work causes great inconvenience.
In addition, if opening elevator door by force, trapped personnel gets rid of poverty, often because elevator is positioned at non-leveling zone, so also may cause the serious consequences such as personal injury.
Summary of the invention
The technical problem to be solved in the present invention is that elevator in order to overcome prior art is when fault, the defect that user cannot save oneself effectively, a kind of elevator self-rescue system is provided, by the system of access control band-type brake, make user can manually control the leveling zones such as bottom that elevator drops to elevator, thereby make the user can be fast above water.
The present invention solves above-mentioned technical matters by following technical proposals:
The invention provides a kind of elevator self-rescue system, it is for an elevator device, described elevator device one electrical motor and a band-type brake, wherein said electrical motor is used for driving a lift car, described band-type brake is used for braking described lift car, is characterized in that described elevator self-rescue system also comprises: a short unit, a band-type brake releasing unit, a band-type brake control unit, one first open contact unit and a fault detection unit; Wherein said electrical motor is electrically connected to described short unit by described the first open contact unit, described short unit is used for described electrical motor short circuit, and described band-type brake control unit is also electrically connected to band-type brake releasing unit and discharges described band-type brake for controlling described band-type brake releasing unit; Described fault detection unit for by detect described elevator device whether et out of order control the opening and closing of described the first open contact unit.
Preferably, described elevator self-rescue system also comprises one second open contact unit, described the second open contact unit strings is connected between described band-type brake control unit and band-type brake releasing unit, and described fault detection unit also by detect described elevator whether et out of order control the opening and closing of described the second open contact unit.
Preferably, described elevator self-rescue system also comprises for detection of described lift car whether arriving the bottom of elevator or a displacement detecting unit at top, and described displacement detecting unit strings is connected between described the second open contact unit and band-type brake releasing unit or is serially connected with between described band-type brake control unit and the second open contact unit;
When described lift car does not arrive the bottom of elevator or top, described displacement detecting unit makes between described the second open contact unit and band-type brake releasing unit conducting between conducting or described band-type brake control unit and the second open contact unit.
Preferably, described elevator self-rescue system also comprises a current regulation unit, and described current regulation unit is serially connected with between described the first open contact unit and described electrical motor or between described the first open contact unit and described short unit.
Preferably, described current regulation unit is resistance.
Preferably, described current regulation unit is variable resistance.
Preferably, described electrical motor is synchronous motor.
Positive progressive effect of the present invention is:
Elevator self-rescue system of the present invention by the system of access control band-type brake, makes user can manually control the leveling zones such as bottom that elevator drops to elevator, thereby makes the user can be fast above water.
In addition the opposing torque electric current that elevator self-rescue system of the present invention also produces in described electrical motor by adding current regulation unit to control, thus the rotating speed of described electrical motor controlled, thus regulate the running velocity of described elevator.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the first embodiment of elevator self-rescue system of the present invention.
Fig. 2 is the circuit block diagram of the second embodiment of elevator self-rescue system of the present invention.
Fig. 3 is the circuit block diagram of the 3rd embodiment of elevator self-rescue system of the present invention.
Fig. 4 is the circuit block diagram of the 4th embodiment of elevator self-rescue system of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technical scheme of the present invention in detail.
The first embodiment:
As shown in Figure 1, the elevator self-rescue system of the present embodiment comprises a synchronous motor 1, a band-type brake 2, a band-type brake coil 3, a button 4, a fault detector 5, open contact 6 and a short unit 10.
Wherein said synchronous motor 1 is electrically connected to described short unit 10 by described open contact 6, described short unit 10 is for connecting described motor short circuit, described band-type brake coil 3 is connected with described band-type brake 2 and when 3 conducting of described band-type brake coil, described band-type brake 2 is opened, lift car setting in motion now, otherwise band-type brake 2 braking lift cars, elevator remains static.The present embodiment is realized the release movement of band-type brake 2 by the band-type brake coil in control band-type brake 2.
Described band-type brake coil 3 is also connected with described button 4, when user presses described button 4, and described button 4 and described band-type brake coil 3 conductings, the loop of formation makes the also conducting of described band-type brake coil 3.In the present embodiment, user controls the release of described band-type brake 2 by described button 4 and the conducting of band-type brake coil 3.
When elevator produces fault, described fault detector 5 makes described open contact 6 closures, thereby make described synchronous motor 1 by described short unit 10 short circuits, thereby control loop when elevator is normally worked lost efficacy, thereby when elevator faults, only there is the running of the elevator self-rescue system control elevator of the present embodiment.
The principle of work of the present embodiment is as follows:
When elevator normal operation, described fault detector 5 does not detect elevator faults, so described open contact 6 is in opening.
Because described open contact 6 is in opening, so synchronous motor 1 is short circuit not, for example, so the operational system in elevator can normally be controlled the normal operation that synchronous motor 1 and band-type brake 2 are realized elevator, controls the operation of synchronous motor 1 by frequency converter.
When elevator faults, described band-type brake 2 must make described elevator remain static, thereby guarantees user's safety; And described fault detector 5 detects elevator faults, and make described open contact 6 closures.Now synchronous motor 1 is by described short unit 10 short circuits.
After this when user presses described button 4, due to conducting between described button 4 and band-type brake coil 3, so band-type brake coil 3 discharges described band-type brake 2, thereby make described elevator cab movement.The now motion of lift car drives the rotation of described synchronous motor 1, on described synchronous motor 1, has applied a torque.
Because described synchronous motor 1 rotates, in described synchronous motor 1, can produce electro-motive force.And due to open contact 6 closures, described synchronous motor 1 short circuit, so the electro-motive force that described synchronous motor 1 produces generates electric current and flows into the short circuit loop of described short unit 10.Now synchronous motor 1 inside also correspondingly generates opposing torque electric current, thereby produce counter electromotive force in the inside of described synchronous motor 1, thereby described counter electromotive force makes to produce opposing torque in described synchronous motor 1, thereby opposing torque has reduced the torque on described synchronous motor 1.
Due to the raising of the rotating speed along with described synchronous motor 1, described counter electromotive force increases, thereby opposing torque constantly rises, until described opposing torque and described torque phase while, described synchronous motor 1 enters at the uniform velocity state.
After this when described button 4 is opened, described band-type brake coil 3 disconnects, so described band-type brake 2 makes lift car stop motion.
Therefore user can be so that described lift car enters leveling zone, thereby is convenient to saving oneself of user.
The second embodiment:
As shown in Figure 2, the difference of the present embodiment and the first embodiment is, the elevator self-rescue system in the present embodiment also comprises an open contact 7, and described open contact 7 is serially connected with between described band-type brake coil 3 and button 4.
Wherein when elevator faults, described fault detector 5 is also by described open contact 7 closures, thereby makes to form path between described band-type brake coil 3 and button 4.Now user can be so that conducting between described button 4 and band-type brake coil 3, thereby discharges band-type brake 2, thereby makes described lift car enter leveling zone, so that the saving oneself of user.
In the present embodiment, by described open contact 7, described band-type brake coil 3 and button 4 are isolated, thus while preventing elevator normal operation, user's maloperation,, when elevator normal operation, user cannot control described band-type brake coil 3 by button 4 and discharge band-type brake 2.
The 3rd embodiment:
As shown in Figure 3, the difference of the present embodiment and the second embodiment is, the elevator self-rescue system in the present embodiment also comprises a displacement detector 8, and whether described displacement detector arrives bottom or the top of elevator for detection of the car of described elevator.
Displacement detector described in the present embodiment 8 is arranged between described open contact 7 and band-type brake coil 3, in addition user can also be connected described displacement detector 8 according to the design and construction of elevator device with miscellaneous part, such as described displacement detector 8, is arranged between described open contact 7 and button 4 etc.
Wherein during elevator faults, when the car that elevator do not detected when described displacement detector 8 arrives the bottom of elevator or top, conducting between described band-type brake coil 3 and described displacement detector 8, so band-type brake coil 3 discharges band-type brake 2, thereby user can be by making conducting between button 4 and band-type brake coil 3 discharge band-type brake 2, thereby, make elevator cab movement.
When the car that elevator detected when described displacement detector 8 arrives the bottom of elevator or top, while being the leveling zone at bottom lift car enters or top, between described band-type brake coil 3 and described displacement detector 8, disconnect, now user no longer can discharge band-type brake 2 by button 4, so at leveling zone, described band-type brake 2 remains static lift car, thereby user can be safer saves oneself.
The 4th embodiment:
As shown in Figure 4, the difference of the present embodiment and the 3rd embodiment is, the elevator self-rescue system in the present embodiment also comprises a variable resistance 9.Variable resistance described in the present embodiment 9 is serially connected with between described synchronous motor 1 and described open contact 6.In addition described variable resistance 9 can be serially connected with any position between described synchronous motor 1 and short unit 10.
Wherein, when user controls the release of described band-type brake 2 by button 4, the torque that puts on described synchronous motor 1 makes to generate electro-motive force on described synchronous motor 1, and described electro-motive force similarly produces counter electromotive force in the inside of described synchronous motor 1.
Synchronous motor 1 in the 3rd embodiment is now directly connected with described short unit 10, so the electric current that now electro-motive force of synchronous motor 1 produces is very large, thereby the counter electromotive force that correspondingly the opposing torque current-induced of described synchronous motor 1 inside goes out is also very large, so the torque of described synchronous motor 1 and opposing torque balance soon.So lift car promptly enters the state of traveling at the uniform speed, but now the speed of lift car is very little, so enter in the process of leveling zone at lift car, user need to wait for a large amount of time.
But variable resistance described in the present embodiment 9 and electro-motive force have jointly determined described synchronous motor 1 and have flowed into the size of the electric current of described short unit 10.Thereby also determined further the size that correspondingly generates opposing torque electric current of synchronous motor 1 inside, thereby by the electric current that regulates described opposing torque electric current and described synchronous motor 1 to flow into described short unit 10, regulate electro-motive force and the counter electromotive force of synchronous motor 1, thereby regulate further opposing torque and torque, so regulated torque and opposing torque to enter the time of state of equilibrium, thereby velocity magnitude while having regulated described lift car to travel at the uniform speed.
In addition in the present embodiment, can also adopt other current regulating circuit to control the electric current that synchronous motor 1 flows into described short unit 10.Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these are only casehistorys, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.
Claims (6)
1. an elevator self-rescue system, it is for an elevator device, and described elevator device comprises an electrical motor and a band-type brake, wherein said electrical motor is used for driving a lift car, described band-type brake is used for braking described lift car, it is characterized in that, described elevator self-rescue system also comprises:
One short unit, a band-type brake releasing unit, a band-type brake control unit, one first open contact unit and a fault detection unit;
Wherein said electrical motor is electrically connected to described short unit by described the first open contact unit, and described short unit is used for described electrical motor short circuit; Described band-type brake control unit is electrically connected to band-type brake releasing unit and discharges described band-type brake for controlling described band-type brake releasing unit;
Described fault detection unit for by detect described elevator device whether et out of order control the opening and closing of described the first open contact unit;
Described elevator self-rescue system also comprises one second open contact unit, described the second open contact unit strings is connected between described band-type brake control unit and band-type brake releasing unit, and described fault detection unit also by detect described elevator whether et out of order control the opening and closing of described the second open contact unit.
2. elevator self-rescue system as claimed in claim 1, it is characterized in that, described elevator self-rescue system also comprises for detection of described lift car whether arriving the bottom of elevator or a displacement detecting unit at top, and described displacement detecting unit strings is connected between described the second open contact unit and band-type brake releasing unit or is serially connected with between described band-type brake control unit and the second open contact unit;
When described lift car does not arrive the bottom of elevator or top, described displacement detecting unit makes between described the second open contact unit and band-type brake releasing unit conducting between conducting or described band-type brake control unit and the second open contact unit.
3. the elevator self-rescue system as described in any one in claim 1-2, it is characterized in that, described elevator self-rescue system also comprises a current regulation unit, and described current regulation unit is serially connected with between described the first open contact unit and described electrical motor or between described the first open contact unit and described short unit.
4. elevator self-rescue system as claimed in claim 3, is characterized in that, described current regulation unit is resistance.
5. elevator self-rescue system as claimed in claim 4, is characterized in that, described current regulation unit is variable resistance.
6. elevator self-rescue system as claimed in claim 4, is characterized in that, described electrical motor is synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346560.9A CN102390772B (en) | 2011-11-04 | 2011-11-04 | Elevator self-help system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346560.9A CN102390772B (en) | 2011-11-04 | 2011-11-04 | Elevator self-help system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390772A CN102390772A (en) | 2012-03-28 |
| CN102390772B true CN102390772B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110346560.9A Expired - Fee Related CN102390772B (en) | 2011-11-04 | 2011-11-04 | Elevator self-help system |
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| Country | Link |
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| CN (1) | CN102390772B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714430A (en) * | 2015-04-14 | 2015-06-17 | 汪水仿 | Break contact of remote short-circuit series circuit |
| CN105752789B (en) * | 2016-04-21 | 2017-11-17 | 陕西小溪机电科技有限公司 | Car with slow drop function of saving oneself |
| JP6655489B2 (en) * | 2016-07-06 | 2020-02-26 | 株式会社日立製作所 | Elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048681A (en) * | 1990-09-07 | 1991-01-23 | 郑国基 | Elevator faults and power failure flat-layer technique and equipment |
| CN101121484A (en) * | 2006-08-11 | 2008-02-13 | 王秋楠 | Elevator balancing escaping device |
| CN101164855A (en) * | 2006-10-20 | 2008-04-23 | 王秋楠 | Device for escaping elevator abnormal state |
| CN202321851U (en) * | 2011-11-04 | 2012-07-11 | 上海微频莱机电科技有限公司 | Elevator self-rescue system |
| JP5116860B2 (en) * | 2011-04-24 | 2013-01-09 | 株式会社フジ医療器 | Pneumatic treatment machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05116860A (en) * | 1991-10-25 | 1993-05-14 | Otis Elevator Co | Escape device in case of elevator trouble |
-
2011
- 2011-11-04 CN CN201110346560.9A patent/CN102390772B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048681A (en) * | 1990-09-07 | 1991-01-23 | 郑国基 | Elevator faults and power failure flat-layer technique and equipment |
| CN101121484A (en) * | 2006-08-11 | 2008-02-13 | 王秋楠 | Elevator balancing escaping device |
| CN101164855A (en) * | 2006-10-20 | 2008-04-23 | 王秋楠 | Device for escaping elevator abnormal state |
| JP5116860B2 (en) * | 2011-04-24 | 2013-01-09 | 株式会社フジ医療器 | Pneumatic treatment machine |
| CN202321851U (en) * | 2011-11-04 | 2012-07-11 | 上海微频莱机电科技有限公司 | Elevator self-rescue system |
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| Publication number | Publication date |
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| CN102390772A (en) | 2012-03-28 |
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