CN202529671U - Self-rescuing system for elevator - Google Patents
Self-rescuing system for elevator Download PDFInfo
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- CN202529671U CN202529671U CN2012200897297U CN201220089729U CN202529671U CN 202529671 U CN202529671 U CN 202529671U CN 2012200897297 U CN2012200897297 U CN 2012200897297U CN 201220089729 U CN201220089729 U CN 201220089729U CN 202529671 U CN202529671 U CN 202529671U
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- type brake
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Abstract
The utility model discloses a self-rescuing system for an elevator, which comprises a short circuit unit, a power outage detecting unit, a brake control unit, a position detecting unit and an emergency power supply, wherein the power outage detecting unit is used for detecting if an elevator system is power-off; the brake control unit is used for controlling a brake to open and close; when the elevator system being power-off is detected, the position detecting unit is used for detecting if an elevator cage is in a flat area; if not, the emergency power supply is started, a synchronous motor is short-circuited by the short circuit unit and the brake is controlled to open by the brake control unit; and if yes, the brake is controlled to close by the brake control unit. A small-volume emergency power supply is adopted by the self-rescuing system for the elevator, so that the defects of high volume demand and high cost of an externally connected emergency power supply device of the traditional self-rescuing system for the elevator are overcome; under the interaction of all parts, the trapped people can be automatically rescued when the elevator is power-off; and the structure is simple and the cost is low.
Description
Technical field
The utility model relates to a kind of elevator system of saving oneself, and particularly relates to a kind of trapped personnel and simple structure, elevator that cost is very low system of saving oneself that when elevator has a power failure, can rescue automatically.
Background technology
When the generation in service of the elevator on the existing market had a power failure, elevator was parked in non-leveling zone probably, rescues the lift car trapped personnel if desired automatically, and traditional solution is external emergency source of electrical power feeding mechanism.This external emergency source of electrical power feeding mechanism adopts the accumulators store energy of a constant volume; The charger charging is arranged usually; When elevator has a power failure; Electricity of accumulator is changed out the industrial-frequency alternating current that elevator is suitable for through inverter, provide apparatus for controlling elevator and drive system to use, be equivalent to for elevator arrangement special ups power (uninterrupted power supply (UPS)).Yet but there is very big shortcoming in this solution: use electric energy than higher during owing to the elevator rescue operation, so the capacity that supporting ups power needs is very big, cost is also very high.
The utility model content
The technical matters that the utility model will solve is to save oneself in order to overcome elevator in the prior art that external emergency source of electrical power feeding mechanism needs the very very high defective of high capacity, cost in the system, and a kind of trapped personnel and simple structure, elevator that cost is very low system of saving oneself that when elevator has a power failure, can rescue automatically is provided.
The utility model solves above-mentioned technical matters through following technical proposals:
The utility model provides a kind of elevator system of saving oneself; It is used for an elevator device; Said elevator device comprises a synchronous electrical motor and a band-type brake; Wherein said synchronous motor is used to drive a lift car and moves, and said band-type brake is used to brake said lift car, is characterized in that the said elevator system of saving oneself comprises: a short unit, a power failure detecting unit, a band-type brake control unit, a position detection unit and an emergency source of electrical power; Whether wherein said power failure detecting unit is used to detect said elevator device and has a power failure, and said band-type brake control unit is used to control opening and adhesive of said band-type brake.Said position detection unit is used to detect said lift car and whether is positioned at leveling zone when said power failure detecting unit detects said elevator device and has a power failure; If not; It is said band-type brake control unit power supply that then said position detection unit also is used to control said emergency source of electrical power, control said band-type brake for said band-type brake control unit and open, and said short unit is with said synchronous motor short circuit; If then said band-type brake control unit is controlled said band-type brake adhesive.
When said power failure detecting unit detects that said elevator device has a power failure and said position detection unit when detecting said lift car and not being positioned at leveling zone; It is said band-type brake control unit power supply that said position detection unit is controlled said emergency source of electrical power; Controlling said band-type brake for said band-type brake control unit opens; Said short unit is with said synchronous motor short circuit, and the emergency source of electrical power here can adopt the power supply of low capacity.Band-type brake is opened the said lift car in back and will be moved according to the size of the elevator counterweight amount of stressing with the lift car amount of stressing; When not having manned in the lift car or load-carrying when very little; The elevator counterweight amount of stressing will be greater than the lift car amount of stressing, and this moment, lift car will rise.And in lift car, be loaded with people or load-carrying when very heavy; The elevator breeding amount of stressing will be less than the lift car amount of stressing; This moment, lift car will by gravity slips ladder, and said lift car can drive said synchronous motor simultaneously and rotate in the process that moves, because said synchronous motor is by said short unit short circuit three-phase power line; Said synchronous motor will produce opposing torque and stop elevator slide ladder, and the final like this lift car that can make descends at a slow speed evenly.When dropping to the leveling zone position; Said position detection unit can detect the position of lift car; This moment, said band-type brake control unit was controlled said band-type brake adhesive; Make lift car stop at the leveling zone position, elevator door just can be opened like this, and the trapped personnel in the elevator also will be succoured out.
Preferably, said short unit is serially connected with a resistance unit, is used to control the outgoing current of said synchronous motor.
Preferably; The resistance value of said resistance unit is adjustable, so just is equivalent in said resistance unit, be provided with an equivalent variable resistance, through the adjusting to the resistance value of said resistance unit; Just can regulate the outgoing current of said synchronous motor; Thereby can control the opposing torque that said synchronous motor produces,, can control the slide ladder speed of lift car through the size of control opposing torque like this for different lift car load-carryings.
Preferably, said emergency source of electrical power is a storage battery or a super capacitor.If adopt super capacitor to make emergency source of electrical power,, just can realize the requirement that emergency source of electrical power is non-maintaining because the super capacitor life-span is very long.
Preferably, it is said emergency source of electrical power charging that said synchronous motor also is used for by said short unit short circuit the time, thereby can reduce the capacity of emergency source of electrical power, has reached the save oneself purpose of system bulk of cost-cutting and elevator.
Preferably, to be used for through a charhing unit be the charging of said emergency source of electrical power to said synchronous motor.
The positive progressive effect of the utility model is: the utility model is through adopting the emergency source of electrical power power supply of low capacity; Overcome traditional elevator and saved oneself the external emergency source of electrical power feeding mechanism of system capacity requirement is very big, cost is very high defective; And the work that cooperatively interacts through various piece; Make it possible to when elevator has a power failure rescue trapped personnel automatically, and simple structure, very low, the cost saving of cost.
Description of drawings
Fig. 1 is the save oneself circuit block diagram of system of the elevator of the preferred embodiment of the utility model.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.
As shown in Figure 1, the elevator system of saving oneself of the preferred embodiment of the utility model comprises a synchronous electrical motor 1, a band-type brake 2, a short unit 3, a power failure detecting unit 4, a band-type brake control unit 5, a position detection unit 6, an emergency source of electrical power 7 and a charhing unit 8.
Whether wherein said power failure detecting unit 4 detects said elevator device and has a power failure; Said position detection unit 6 detects said lift car and whether is positioned at leveling zone when detecting said elevator device and have a power failure; If be not positioned at leveling zone, the said emergency source of electrical power 7 of then said position detection unit 4 controls be said band-type brake control unit 5 supply power and said short unit 3 with said synchronous motor 1 short circuit.The said band-type brake 2 of said band-type brake control unit 5 controls is opened after power supply, this moment if do not have manned in the said lift car or load-carrying very little, the elevator counterweight amount of stressing is greater than the lift car amount of stressing, then said lift car will rise.And if be loaded with the people in the said lift car or load-carrying very heavy; The elevator breeding amount of stressing will be less than the lift car amount of stressing; This moment, said lift car will slip terraced by by gravity; Said lift car can drive said synchronous motor 1 and rotate when moving freely; Again since said synchronous motor 1 by said short unit 3 short circuit three-phase power lines, said synchronous motor 1 will produce opposing torque and stop said lift car to slip ladder, finally can make said lift car descend evenly at a slow speed.When said position detection unit 6 detected said lift car and is positioned at leveling zone, said band-type brake 2 adhesives of said band-type brake control unit 5 controls made said lift car stop at the leveling zone position.Through the save oneself work that cooperatively interacts of system's various piece of said elevator; Just can be so that when elevator device has a power failure; Safely said lift car is stopped at the leveling zone position, elevator door just can be opened like this, and the trapped personnel in the elevator also will be succoured out.
Can also be connected in series the adjustable resistance unit of a resistance in short unit 3 described in the practical implementation process, also just be equivalent to be serially connected with the variable resistance of an equivalence, and then control the outgoing current of said synchronous motor 1 through the adjusting of resistance.Through controlling the outgoing current of said synchronous motor 1, just can control the opposing torque that said synchronous motor 1 produces, like this for different lift car load-carryings, can control the slide ladder speed of lift car through the size of control opposing torque.
Said emergency source of electrical power 7 then can adopt a storage battery or a super capacitor.If adopt super capacitor to make emergency source of electrical power,, just can realize the requirement that emergency source of electrical power is non-maintaining because the super capacitor life-span is very long.Certainly; In order to reduce the capacity of said emergency source of electrical power 7; Potential energy in the time of also can said lift car being slipped ladder through corresponding setting absorbs and is converted into electric energy, and just said synchronous motor 1 be said emergency source of electrical power 7 chargings through said charhing unit 8 by said short unit 3 short circuits the time, controls said band-type brake 2 for said band-type brake control unit 5 and opens; Thereby can reduce the capacity of emergency source of electrical power 7, to reach the save oneself purpose of system bulk of cost-cutting and elevator.The relative set that wherein potential energy is converted into electric energy belongs to ordinary skill in the art means, just repeats no more at this.
Though more than described the specific embodiment of the utility model, it will be understood by those of skill in the art that these only are casehistorys, the protection domain of the utility model is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite of principle that does not deviate from the utility model and essence, but these changes and modification all fall into the protection domain of the utility model.
Claims (6)
1. elevator system of saving oneself, it is used for an elevator device, and said elevator device comprises a synchronous electrical motor and a band-type brake; Wherein said synchronous motor is used to drive a lift car and moves; Said band-type brake is used to brake said lift car, it is characterized in that, the said elevator system of saving oneself comprises:
One short unit, a power failure detecting unit, a band-type brake control unit, a position detection unit and an emergency source of electrical power; Whether wherein said power failure detecting unit is used to detect said elevator device and has a power failure, and said band-type brake control unit is used to control opening and adhesive of said band-type brake.
When said power failure detecting unit detects said elevator device and has a power failure; Said position detection unit is used to detect said lift car and whether is positioned at leveling zone, and if not, it is said band-type brake control unit power supply that then said position detection unit also is used to control said emergency source of electrical power; Controlling said band-type brake for said band-type brake control unit opens; And said short unit is with said synchronous motor short circuit, if then said band-type brake control unit is controlled said band-type brake adhesive.
2. the elevator as claimed in claim 1 system of saving oneself is characterized in that said short unit is serially connected with a resistance unit, is used to control the outgoing current of said synchronous motor.
3. the elevator as claimed in claim 2 system of saving oneself is characterized in that the resistance value of said resistance unit is adjustable.
4. like the system of saving oneself of any described elevator among the claim 1-3, it is characterized in that said emergency source of electrical power is a storage battery or a super capacitor.
5. the elevator as claimed in claim 4 system of saving oneself is characterized in that, it is said emergency source of electrical power charging that said synchronous motor also is used for by said short unit short circuit the time.
6. the elevator as claimed in claim 5 system of saving oneself is characterized in that, it is said emergency source of electrical power charging that said synchronous motor is used for through a charhing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200897297U CN202529671U (en) | 2012-03-09 | 2012-03-09 | Self-rescuing system for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200897297U CN202529671U (en) | 2012-03-09 | 2012-03-09 | Self-rescuing system for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202529671U true CN202529671U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200897297U Expired - Fee Related CN202529671U (en) | 2012-03-09 | 2012-03-09 | Self-rescuing system for elevator |
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| CN (1) | CN202529671U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602768A (en) * | 2012-03-09 | 2012-07-25 | 上海微频莱机电科技有限公司 | Elevator self-rescue system |
| CN104555626A (en) * | 2015-01-09 | 2015-04-29 | 中联重科股份有限公司 | Control system and control method for safe descending of construction elevator in case of power failure |
| CN109019226A (en) * | 2018-09-28 | 2018-12-18 | 山东富士制御电梯有限公司 | A kind of screw type elevator mechanical emergency deliverance apparatus |
| CN110963386A (en) * | 2019-12-31 | 2020-04-07 | 浙江大学常州工业技术研究院 | Remote rescue method and device during elevator failure |
-
2012
- 2012-03-09 CN CN2012200897297U patent/CN202529671U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602768A (en) * | 2012-03-09 | 2012-07-25 | 上海微频莱机电科技有限公司 | Elevator self-rescue system |
| CN104555626A (en) * | 2015-01-09 | 2015-04-29 | 中联重科股份有限公司 | Control system and control method for safe descending of construction elevator in case of power failure |
| CN104555626B (en) * | 2015-01-09 | 2016-08-24 | 中联重科股份有限公司 | Control method for safe descending of construction elevator in case of power failure |
| CN109019226A (en) * | 2018-09-28 | 2018-12-18 | 山东富士制御电梯有限公司 | A kind of screw type elevator mechanical emergency deliverance apparatus |
| CN110963386A (en) * | 2019-12-31 | 2020-04-07 | 浙江大学常州工业技术研究院 | Remote rescue method and device during elevator failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20160309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |