CN110092259B - Emergency rescue method and device for elevator - Google Patents
Emergency rescue method and device for elevator Download PDFInfo
- Publication number
- CN110092259B CN110092259B CN201910412703.8A CN201910412703A CN110092259B CN 110092259 B CN110092259 B CN 110092259B CN 201910412703 A CN201910412703 A CN 201910412703A CN 110092259 B CN110092259 B CN 110092259B
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- elevator
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- rescue device
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- brake
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims description 28
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- 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
Abstract
The invention discloses an emergency rescue method and device for an elevator, which comprises the following steps: the elevator braking device is started after the elevator is powered off, the self voltage of the elevator braking device is detected by the aid of the rescue device after the elevator is started, when the detected value is not lower than the lowest attracting voltage of the elevator brake, the load in the elevator car is detected by the aid of the rescue device, when the load exists in the elevator car, the position of the elevator in a well is detected by the aid of the rescue device, when the elevator is in a non-flat-floor position, the elevator brake is powered by the aid of the rescue device, and the elevator is driven to move to the flat-floor; then the rescue device stops supplying power to the elevator brake and supplies power to the door motor to open the landing door, so that the trapped person leaves the elevator from the landing door; when the trapped people leave all the elevator, the rescue device stops the elevator. The invention has the characteristics of high intelligent degree and good safety.
Description
Technical Field
The invention relates to an emergency rescue method for an elevator, in particular to an emergency rescue method and device for an elevator.
Background
An elevator emergency rescue device is elevator man-trapping emergency rescue equipment and mainly has the functions that in the running process of an elevator, when an alternating current power supply suddenly cuts off power or an electric control system breaks down to stop a car in a well, an original electric control system is automatically switched and cut off, the alternating current power supply is supplied to the elevator, the car is dragged to a flat-bed position, and then a door is opened, so that a user can be separated from a dangerous situation. However, the intelligent degree of the existing emergency rescue device is low, and once an accident happens, the device can directly electrify the contracting brake of the tractor to enable the elevator to open the door after the elevator runs to a flat layer regardless of whether people are trapped in the bridge compartment or not after the device is put into operation. And emergency rescue device generally supplies power to elevator system through the battery, leads to this kind of mode can cause the extravagant use of electric quantity in the battery, corresponds emergency rescue device's the time of awaiting orders and causes the influence. In addition, because present emergency rescue device all can not monitor the voltage and the capacity of battery, lead to the rescue device can cause the rescue risk because of the battery capacity of battery is not enough in the use, the security is relatively poor. Therefore, the existing rescue device has the problems of low intelligent degree and poor safety.
Disclosure of Invention
The invention aims to provide an emergency rescue method and device for an elevator. The intelligent control system has the characteristics of high intelligent degree and good safety.
The technical scheme of the invention is as follows: an emergency rescue method for an elevator comprises the following steps:
starting a rescue device after the power of the elevator is cut off, detecting the self voltage of the rescue device after the rescue device is started, directly entering the step (v) when the detection value is lower than the lowest pull-in voltage of an elevator brake, and entering the next step when the detection value is not lower than the lowest pull-in voltage of the elevator brake;
secondly, the rescue device detects the load in the sedan, when no load exists in the sedan, the process directly goes to the fifth step, and when the load exists in the sedan, the process goes to the next step;
the rescue device detects the position of the elevator in the hoistway, and when the elevator is in the flat-bed position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out;
when the elevator is in the flat-layer position, the rescue device stops supplying power to the elevator brake, supplies power to the door motor to open the landing door, and enables trapped people to leave the elevator from the landing door; when all the trapped persons leave, the next step is carried out;
and fifthly, the rescue device cuts off the power supply to the elevator and shuts down the elevator.
In the emergency rescue method for the elevator, the step two specifically comprises the following steps: the rescue device detects the load in the sedan through the sedan bottom overload device, the sedan bottom overload device sends an analog quantity signal to the rescue device through the elevator control panel, when no load exists in the sedan, the fifth step is directly carried out, and when the load exists in the sedan, the next step is carried out.
In the emergency rescue method for an elevator, the step (c) includes the following specific steps: the rescue device detects the specific position of the elevator in the hoistway through the position detection device, the position detection device outputs a signal to the rescue device through the elevator control panel, and when the elevator is at the flat-layer position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out.
In the emergency rescue method for the elevator, the specific step of the fourth step is as follows: when the elevator is in the flat-floor position, the position detection device outputs a signal to enable the rescue device to stop supplying power to the elevator brake, and supplies power to the door motor to open the floor door, so that the trapped person leaves the elevator from the floor door; and when the trapped people leave all the cars, the rescue device detects the change of the analog quantity signal sent by the car bottom overload device and enters the next step.
In the emergency rescue method for the elevator, in the step (i), the rescue device detects the self voltage after starting for 3 seconds.
In the emergency rescue method for the elevator, when the detection value is lower than the lowest attracting voltage of the elevator brake in the step I, an operator can switch to a manual brake opening mode through the rescue device, and then the elevator is conveyed to a flat-layer position by using the manual brake opening device and opened to release people; directly entering the fifth step after all the trapped persons leave.
The rescue device used in the emergency rescue method of the elevator comprises a control panel, wherein the outer side of the control panel is respectively connected with a rescue module and a voltage detection relay, the rescue module is connected with an elevator controller, and the voltage detection relay is connected with an electric power storage power supply.
Compared with the prior art, the voltage value of the power storage power supply is detected when the rescue device is started, so that the power storage power supply has enough supply voltage to drive the elevator to complete rescue work, and the safety performance of the rescue device is improved; after the voltage detection is finished, whether people are trapped in the elevator can be judged by detecting the load in the car, so that unnecessary actions of the rescue device when the elevator is not trapped can be avoided, the intelligent degree of the rescue device is improved, the waste of the electric quantity of the storage battery is avoided, and the storage battery can be stably supplied with power in an emergency state; the invention further optimizes the functional module and the connecting structure of the rescue device according to the monitoring method, thereby further improving the working stability and the using effect of the invention. Therefore, the invention has the characteristics of high intelligent degree and good safety.
Drawings
FIG. 1 is a flow chart of the operation of the present invention;
fig. 2 is a schematic structural view of the rescue apparatus;
fig. 3 is a connection circuit diagram of the rescue device and an elevator control panel;
fig. 4 is a circuit diagram of the connection of the rescue device and the elevator control cabinet;
fig. 5 is an electrical schematic of the rescue module.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. An emergency rescue method of an elevator is shown in figure 1 and comprises the following steps:
firstly, starting a rescue device after the power failure of the elevator, detecting the self voltage of the rescue device through a voltage detection relay after the rescue device is started, directly entering a fifth step when a detection value is lower than the lowest pull-in voltage of an elevator brake, and entering a next step when the detection value is not lower than the lowest pull-in voltage of the elevator brake;
secondly, the rescue device detects the load in the sedan, when no load exists in the sedan, the process directly goes to the fifth step, and when the load exists in the sedan, the process goes to the next step;
the rescue device detects the position of the elevator in the hoistway, and when the elevator is in the flat-bed position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out;
when the elevator is in the flat-layer position, the rescue device stops supplying power to the elevator brake, supplies power to the door motor to open the landing door, and enables trapped people to leave the elevator from the landing door; when all the trapped persons leave, the next step is carried out;
and fifthly, the rescue device cuts off the power supply to the elevator and shuts down the elevator.
The concrete steps of the second step are as follows: the rescue device detects the load in the sedan through the sedan bottom overload device, the sedan bottom overload device sends an analog quantity signal to the rescue device through the elevator control panel, when no load exists in the sedan, the fifth step is directly carried out, and when the load exists in the sedan, the next step is carried out.
The third step is as follows: the rescue device detects the specific position of the elevator in the hoistway through a position detection device, the position detection device is usually a photoelectric leveling switch, the position detection device outputs signals to the rescue device through an elevator control panel, and when the elevator is at the leveling position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out.
The specific steps of the fourth step are as follows: when the elevator is in the flat-floor position, the position detection device outputs a signal to enable the rescue device to stop supplying power to the elevator brake, and supplies power to the door motor to open the floor door, so that the trapped person leaves the elevator from the floor door; and when the trapped people leave all the cars, the rescue device detects the change of the analog quantity signal sent by the car bottom overload device and enters the next step.
In the step (i), the rescue device detects the self voltage after being started for 3 seconds.
When a detection value is lower than the lowest attracting voltage of an elevator brake in the first step, an indicator lamp on a rescue module is turned on, an operator can switch into a manual brake opening mode through a rescue device according to the indicator lamp, then the elevator is conveyed to a flat floor position by using a manual brake opening device, a door is opened, people are released, and the manual brake opening device is a manual brake opening device commonly used in the market; directly entering the fifth step after all the trapped persons leave.
The rescue device used in the method is shown in fig. 2 and comprises a control panel, wherein the outer side of the control panel is respectively connected with a rescue module and a voltage detection relay, the rescue module can be an ACR600 or EPS600 emergency leveling device, the rescue module is connected with an elevator controller, and the voltage detection relay is connected with an electric power storage power supply.
The working principle of the invention is as follows: when the rescue device is started, the voltage value of the power storage power supply is detected firstly, so that the power storage power supply has enough supply voltage to drive the elevator to complete rescue work, and the safety performance of the rescue device is improved. After voltage detection is finished, whether people are trapped in the elevator can be judged by detecting the load in the car, so that unnecessary actions of the rescue device when the elevator is not trapped are avoided, the intelligent degree of the rescue device is improved, the waste of electric quantity of the storage battery is avoided, and the storage battery is guaranteed to be stably powered under an emergency state. When the car bottom overload device detects the load in the elevator, the signal is transmitted to the control panel through the elevator controller, and the control panel detects whether the elevator is in a flat-layer position through the position detection device after receiving the signal; when the car is in the non-flat position, the control panel supplies power to the elevator brake through the rescue module, so that the elevator brake can send the elevator to the flat position. When the elevator is conveyed to the flat-layer position, the rescue module cuts off the power supply to the elevator brake and simultaneously supplies power to the door motor, so that the elevator can open the landing door to allow trapped people to escape; after the people leave, the control panel detects the change of the analog quantity signal sent by the car bottom overload device, and the elevator is shut down through the rescue module.
When the voltage in the power storage power supply can not complete the follow-up operation, the operator can also switch to a manual mode, and then rescue the trapped people after completing the operation through the manual switching-off device, so that the invention can still ensure the stable evacuation of the trapped people when the voltage is insufficient.
Claims (4)
1. An emergency rescue method for an elevator is characterized by comprising the following steps:
starting a rescue device after the power of the elevator is cut off, detecting the self voltage of the rescue device after the rescue device is started, directly entering the step (v) when the detection value is lower than the lowest pull-in voltage of an elevator brake, and entering the next step when the detection value is not lower than the lowest pull-in voltage of the elevator brake;
secondly, the rescue device detects the load in the sedan, when no load exists in the sedan, the process directly goes to the fifth step, and when the load exists in the sedan, the process goes to the next step;
the rescue device detects the position of the elevator in the hoistway, and when the elevator is in the flat-bed position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out;
when the elevator is in the flat-layer position, the rescue device stops supplying power to the elevator brake, supplies power to the door motor to open the landing door, and enables trapped people to leave the elevator from the landing door; when all the trapped persons leave, the next step is carried out;
the rescue device cuts off the power supply to the elevator and shuts down the elevator;
the concrete steps of the second step are as follows: the rescue device detects the load in the car through the car bottom overload device, the car bottom overload device sends an analog quantity signal to the rescue device through the elevator control panel, when no load exists in the car, the fifth step is directly carried out, and when the load exists in the car, the next step is carried out;
the third step is as follows: the rescue device detects the specific position of the elevator in the hoistway through the position detection device, the position detection device outputs a signal to the rescue device through the elevator control panel, and when the elevator is at the flat-layer position, the next step is carried out; when the elevator is in a non-flat-layer position, the rescue device supplies power to the elevator brake, the elevator brake drives the elevator to move to the flat-layer position, and the next step is carried out;
the specific steps of the fourth step are as follows: when the elevator is in the flat-floor position, the position detection device outputs a signal to enable the rescue device to stop supplying power to the elevator brake, and supplies power to the door motor to open the floor door, so that the trapped person leaves the elevator from the floor door; and when the trapped people leave all the cars, the rescue device detects the change of the analog quantity signal sent by the car bottom overload device and enters the next step.
2. An emergency rescue method for an elevator according to claim 1, characterized in that in step (r) the rescue apparatus detects its own voltage 3 seconds after starting.
3. The emergency rescue method for the elevator as claimed in claim 1, characterized in that in the step (i), when the detected value is lower than the lowest attracting voltage of the brake of the elevator, the operator can switch to a manual opening mode through the rescue device, and then the elevator is sent to a flat-layer position by using the manual opening mode to open the door and release people; directly entering the fifth step after all the trapped persons leave.
4. Rescue apparatus for use in an emergency rescue method for an elevator according to any of claims 1-3, characterized in that: including the control panel, the control panel outside is connected with rescue module and voltage detection relay respectively, and the elevator controller is connected to the rescue module, and voltage detection relay is connected with the electric power storage power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910412703.8A CN110092259B (en) | 2019-05-17 | 2019-05-17 | Emergency rescue method and device for elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412703.8A CN110092259B (en) | 2019-05-17 | 2019-05-17 | Emergency rescue method and device for elevator |
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| CN110092259A CN110092259A (en) | 2019-08-06 |
| CN110092259B true CN110092259B (en) | 2021-04-20 |
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| CN201910412703.8A Active CN110092259B (en) | 2019-05-17 | 2019-05-17 | Emergency rescue method and device for elevator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114955761B (en) * | 2022-06-18 | 2022-12-06 | 宁波昊鸿电子有限公司 | Elevator trapped-state detection method and system, storage medium and intelligent terminal |
| CN115321300A (en) * | 2022-08-12 | 2022-11-11 | 淮南矿业(集团)有限责任公司 | Brake failure control system of elevator |
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| CN206814171U (en) * | 2017-04-18 | 2017-12-29 | 福建环奥电梯科技股份有限公司 | A kind of elevator emergency rescue device |
| CN207158532U (en) * | 2017-08-07 | 2018-03-30 | 诸暨越博企业管理咨询有限公司 | A kind of lifting of cargo lift control system based on artificial intelligence |
| CN107879216A (en) * | 2017-12-06 | 2018-04-06 | 江苏梯卫士网络科技有限公司 | A kind of elevator faults close people's logic judgment and automatic help system and method |
| CN108178040A (en) * | 2017-12-11 | 2018-06-19 | 日立楼宇技术（广州）有限公司 | Multiple elevator power failure emergency method, device, computer equipment and storage medium |
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2019
- 2019-05-17 CN CN201910412703.8A patent/CN110092259B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080088773A (en) * | 2007-03-30 | 2008-10-06 | (주)웨스코 | Circuit for compensation interruption of electric power a moment of elevator |
| JP2012035996A (en) * | 2010-08-11 | 2012-02-23 | Mitsubishi Electric Corp | Power supply device of elevator |
| CN206814171U (en) * | 2017-04-18 | 2017-12-29 | 福建环奥电梯科技股份有限公司 | A kind of elevator emergency rescue device |
| CN207158532U (en) * | 2017-08-07 | 2018-03-30 | 诸暨越博企业管理咨询有限公司 | A kind of lifting of cargo lift control system based on artificial intelligence |
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Denomination of invention: An emergency rescue method and device for elevators Effective date of registration: 20231111 Granted publication date: 20210420 Pledgee: Nanxun Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: HENGDA FUJI ELEVATOR Co.,Ltd. Registration number: Y2023330002600 |
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