CN203450984U - Elevator safety emergency control system - Google Patents
Elevator safety emergency control system Download PDFInfo
- Publication number
- CN203450984U CN203450984U CN201320490797.9U CN201320490797U CN203450984U CN 203450984 U CN203450984 U CN 203450984U CN 201320490797 U CN201320490797 U CN 201320490797U CN 203450984 U CN203450984 U CN 203450984U
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- control unit
- car
- elevator
- safety valve
- backup power
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Abstract
An elevator safety emergency control system comprises a traction machine, an elevator brake and a reserve power supply, and also comprises a control unit, a car descending speed monitor and a safety valve; the control unit is connected with a frequency converter; the frequency converter is connected with the traction machine; the control unit is respectively connected with the elevator brake and the reserve power supply; the car descending speed monitor is connected with the control unit; the safety valve is arranged in a car, is respectively connected with the control unit and the reserve power supply, and feeds the car descending speed monitored by the car descending speed monitor back to the control unit; the control units compares the descending speed with the set valve; when the descending speed exceeds the set value, a mains supply is powered off by the control unit, and at the same time, the elevator brake is closed, the car stops descending; after the condition that the car stops descending is confirmed, the safety valve is opened and started, the reverse power supply supplies power to the frequency converter and the elevator brake, and after power on, the elevator brake is opened, the traction machine works, and the car descends to the bottom layer.
Description
Technical field
The invention belongs to the emergent control system of elevator safety.
Background technology
Along with social development, the expansion of population, our inhabitation, work and life are to spatial development, high-rise, high-rise building is more and more, therefore, the safe handling of elevator is that user worries, due to elevator length tenure of use or power failure, control failure and other reasons, elevator there will be cut or tenesmus fast in operational process, or the uncontrolled situation such as straight up and down occurs, after the cut of elevator, band-type brake system is by motor locking, elevator stops, at this moment elevator stops at random, safety for passenger, at this moment elevator door is not opened, can only wait the rescue of outside, if forced open the door by force, once restoring electricity suddenly, elevator has no the running again of omen ground, the person of forcing open the door may be jammed, even be driven lifting, consequence is hardly imaginable, if there is the directly situation of tenesmus in elevator, so, the personnel of the inside will be in peril of one's life.
The security window at elevator top is only for elevator service personnel, and passenger climbs out of from security window, very easily slips, and causes Personal Risk.
In addition, elevator is in operational process, and the scavenger fan in elevator carries out work, and after Lift out of order has a power failure, scavenger fan quits work, and does not have ozone to enter in elevator, and the people of the inside there will be uncomfortable in chest, if personnel there will be the dangerous situation of suffocating more.
Summary of the invention
The elevator safety control system of meeting an urgent need, comprises towing machine, elevator internal contracting brake and backup power, also comprises:
Control unit, described control unit is connected with frequency converter, and described frequency converter connects towing machine, and described control unit is connected with backup power with elevator internal contracting brake respectively,
Car downstream rate monitor, described car downstream rate monitor is connected with control unit,
Safety valve, described safety valve is located in car, and safety valve is connection control unit and backup power respectively,
By the car downstream rate that car downstream rate monitor is monitored, feed back to control unit, control unit is by downstream rate and setting value comparison, and downstream rate exceeds setting value, control unit cuts off mains supply, closes elevator internal contracting brake simultaneously, and car stops descending, after definite stopping, open safety valve, start safety valve, backup power is to frequency converter and elevator internal contracting brake power supply, after energising, elevator internal contracting brake is opened, and towing machine work, comes downwards to bottom by car.
Also comprise warning device, described warning device is acoustic-optic alarm.
Also comprise air interchanger, described air interchanger is scavenger fan, and scavenger fan is connected with backup power.
Described backup power is rechargable power supplies.
Described warning device is connected with control unit with air interchanger.
The present invention by car downstream rate monitor monitors to speed and the setting value of control unit compare, with this, judge car tenesmus whether out of control, if car tenesmus out of control, enter emergency rating, control unit cuts off mains supply, elevator internal contracting brake locking towing machine, make car stop tenesmus, in car, open the safety-valve, backup power is to towing machine and elevator internal contracting brake power supply, elevator internal contracting brake is opened, car goes downwards to bottom, when car downstream rate monitor monitors downstream rate again over setting value, control unit cuts off backup power, elevator internal contracting brake locking towing machine, now, safety valve loses effect and waits for foreign aid, if elevator is cut work in upstream or downstream process, now, the safety valve of performing fighting, in order to prevent elevator power supply suddenly, cause danger, after opening the safety-valve, control unit cuts off mains supply and enters emergency rating.
After entering emergency rating, to air interchanger, transmission of electricity makes its work to backup power, and the fresh air outside car is input in car, and acoustic-optic alarm work, outwards reports to the police and show car present position simultaneously.
Backup power charges when elevator moves, and because towing machine only need go downwards to bottom from stop position by car, therefore, electric power is completely enough, and car goes downwards to after bottom, long-time not rescue, and the personnel in car can withdraw from car emergency opening.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, in the mode of embodiment, describe the present invention in detail.
Embodiment 1:
The elevator safety control system of meeting an urgent need, comprises towing machine 62, elevator internal contracting brake 61 and backup power 4, also comprises:
Comprise car downstream rate monitor 1, described car downstream rate monitor 1 is connected with control unit 2,
Described air interchanger 72 is connected with control unit 2 respectively with warning device 71.
In running process of elevator, because fault car drops rapidly, car downstream rate monitor 1 is transferred to control unit 2 by monitoring data, control unit 2 is compared data and setting value, when if monitoring data surpasses setting value, control unit is confirmed elevator tenesmus out of control, control unit 2 cuts off mains supply 5, elevator internal contracting brake 61 power-off, elevator internal contracting brake 61 is due to power-off locking towing machine 62, cabin elevator is out of service, start safety valve 3, at this moment backup power 4 is given elevator internal contracting brake 61 and towing machine 62 power supplies, after elevator internal contracting brake 61 energisings, open, towing machine 62 work simultaneously, the operative orientation of towing machine is now to make car descending, until car comes downwards to bottom, when opening the safety-valve, warning device 71 and air interchanger 72 work, warning device 71 sends sound and light alarm, tell rescue group's car residing position, air interchanger 72 is carried fresh air in car, prevent that in railway carriage or compartment, personnel suffocate.
The elevator safety control system of meeting an urgent need, comprises towing machine 62, elevator internal contracting brake 61 and backup power 4, also comprises:
Comprise car downstream rate monitor 1, described car downstream rate monitor 1 is connected with control unit 2,
Described air interchanger 72 is connected with control unit 2 respectively with warning device 71.
Elevator at operational process because et out of order or mains supply 5 are stopped power supply, elevator is parked in the air, at this moment whole elevator device quits work, in order to prevent mains supply 5, power suddenly, make car upstream or downstream, or the unexpected tenesmus out of control of car, at this moment, control unit can cut off mains supply 5, after cutting off the electricity supply, elevator internal contracting brake 61 can prevent its rotation by locking towing machine 62, in car, personnel start safety valve 3, backup power 4 is given elevator internal contracting brake and towing machine power supply, elevator internal contracting brake is opened, now, towing machine 62 is delivered to bottom by car, car is in descending process, when downstream rate surpasses setting value, control unit will cut off backup power, elevator internal contracting brake locks towing machine after power-off, for safety, at this moment safety valve can not start again, warning device and air interchanger start, wait for foreign aid.
Disclosed is above only several specific embodiments of the application, but the not limited thereto the changes that any person skilled in the art can think of of the application all should drop in the application's protection domain.
Claims (4)
1. the emergent control system of elevator safety, comprises towing machine, elevator internal contracting brake and backup power, it is characterized in that, also comprises:
Control unit, described control unit is connected with frequency converter, and described frequency converter connects towing machine, and described control unit is connected with backup power with elevator internal contracting brake respectively,
Car downstream rate monitor, described car downstream rate monitor is connected with control unit,
Safety valve, described safety valve is located in car, and safety valve is connection control unit and backup power respectively,
By the car downstream rate that car downstream rate monitor is monitored, feed back to control unit, control unit is by downstream rate and setting value comparison, and downstream rate exceeds setting value, control unit cuts off mains supply, closes elevator internal contracting brake simultaneously, and car stops descending, after definite stopping, open safety valve, start safety valve, backup power is to frequency converter and elevator internal contracting brake power supply, after energising, elevator internal contracting brake is opened, and towing machine work, comes downwards to bottom by car.
2. the emergent control system of elevator safety as claimed in claim 1, is characterized in that, also comprise warning device, described warning device is acoustic-optic alarm.
3. the emergent control system of elevator safety as claimed in claim 1, is characterized in that, also comprise air interchanger, described air interchanger is scavenger fan, and scavenger fan is connected with backup power.
4. the emergent control system of elevator safety as claimed in claim 1, is characterized in that, described backup power is rechargable power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490797.9U CN203450984U (en) | 2013-08-13 | 2013-08-13 | Elevator safety emergency control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490797.9U CN203450984U (en) | 2013-08-13 | 2013-08-13 | Elevator safety emergency control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450984U true CN203450984U (en) | 2014-02-26 |
Family
ID=50130881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490797.9U Withdrawn - After Issue CN203450984U (en) | 2013-08-13 | 2013-08-13 | Elevator safety emergency control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203450984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407852A (en) * | 2013-08-13 | 2013-11-27 | 苏州经贸职业技术学院 | Elevator safety emergency control system |
| CN108023403A (en) * | 2016-11-04 | 2018-05-11 | 费希尔控制产品国际有限公司 | Method and apparatus for preventing the erroneous trigger to the turn-off function of process control parts |
-
2013
- 2013-08-13 CN CN201320490797.9U patent/CN203450984U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407852A (en) * | 2013-08-13 | 2013-11-27 | 苏州经贸职业技术学院 | Elevator safety emergency control system |
| CN103407852B (en) * | 2013-08-13 | 2015-08-05 | 苏州经贸职业技术学院 | Elevator safety emergency flight control system |
| CN108023403A (en) * | 2016-11-04 | 2018-05-11 | 费希尔控制产品国际有限公司 | Method and apparatus for preventing the erroneous trigger to the turn-off function of process control parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |