CN110963380A - Elevator controller, elevator and elevator control method - Google Patents
Elevator controller, elevator and elevator control method Download PDFInfo
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- CN110963380A CN110963380A CN201911381435.4A CN201911381435A CN110963380A CN 110963380 A CN110963380 A CN 110963380A CN 201911381435 A CN201911381435 A CN 201911381435A CN 110963380 A CN110963380 A CN 110963380A
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- elevator
- controller
- preset threshold
- threshold value
- loop
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/468—Call registering systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4623—Wherein the destination is registered after boarding
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an elevator controller, which comprises an elevator main loop and an elevator main control board which are connected through a control circuit, wherein the elevator main loop comprises a rectifying loop, a direct current bus loop and an inverter loop which are sequentially connected, a current sensor is installed on the direct current bus loop, and the current sensor is connected with the elevator main control board through the control circuit. The invention can detect the running state of the elevator controller, including temperature and current, and automatically adjust the running speed of the elevator according to the timely state, thereby preventing the elevator traction machine and the controller from running under the conditions of high temperature and high load for a long time, reducing the occurrence of faults and prolonging the service life of the elevator, and is particularly suitable for plateau environment.
Description
Technical Field
The invention relates to the field of elevator control, in particular to an elevator controller, an elevator and a control method.
Background
The traditional elevator controls a motor through a feedback signal of a motor encoder, and simultaneously records the height information of each position switch of a shaft in a pulse counting mode, so that accurate leveling and direct stopping are realized. The driving speed of the driving control system for the traction machine depending on the well data under the normal state is as follows: the speed control is not changed by the change of the external driving environment. Under some special conditions, such as plateau environment, the change of air pressure and temperature has great influence on the operation of the elevator traction machine due to the elevation of altitude, the equipment is damaged quickly, and the service life is short. At present, no special elevator driving controller for controlling a traction machine in a plateau environment exists in the market, the principle of using downshifting is mainly adopted, and safety prevention of elevator operation and service life of equipment are not well improved.
Therefore, the technical personnel in the field are dedicated to developing an elevator controller, an elevator and a control method which can adjust the running speed of the elevator in time according to the condition of elevator components, can effectively protect the normal running of the elevator and prolong the service life of the elevator.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide an elevator controller, an elevator and an elevator control method capable of adjusting the operation speed of the elevator in time according to the condition of the elevator component, which can effectively protect the normal operation of the elevator and prolong the service life of the elevator.
In order to achieve the purpose, the invention provides an elevator controller which comprises an elevator main loop and an elevator main control board which are connected through a control circuit, wherein the elevator main loop comprises a rectification loop, a direct current bus loop and an inversion loop which are sequentially connected, a current sensor is installed on the direct current bus loop, and the current sensor is connected with the elevator main control board through the control circuit.
Preferably, a first temperature sensor is installed on the direct current bus loop, and the first temperature sensor is connected with the elevator main control board through a control circuit.
An elevator comprising an elevator controller as described above.
Preferably, the elevator main control board is externally connected with a second temperature sensor, and the second temperature sensor is arranged inside the traction machine.
An elevator control method comprising at least one of the following steps:
s1: detecting the current of a direct current bus in an elevator controller, and reducing the running speed of the elevator when the detected current value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s2: detecting the internal temperature of an elevator controller, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s3: detecting the temperature of the traction machine, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
wherein N >0, is a constant.
Preferably, the elevator has to finish executing the command for reducing the running speed after the current running.
Preferably, the elevator stops running when any one of the following conditions is met:
A. the current value of a direct current bus in the elevator controller continuously exceeds a preset threshold value H hours;
B. the internal temperature of the elevator controller continuously exceeds a preset threshold value H hours;
C. the temperature of the traction machine continuously exceeds a preset threshold value H hours;
wherein H >0 is a constant.
Preferably, after the elevator stops running, the elevator opens the door.
Preferably, the controller sends maintenance information to the remote terminal after the elevator stops running.
Preferably, after the elevator stops running, the controller sends stop information to the elevator hall call display board. The invention has the beneficial effects that: the invention can detect the running state of the elevator controller, including temperature and current, and automatically adjust the running speed of the elevator according to the timely state, thereby preventing the elevator traction machine and the controller from running under the conditions of high temperature and high load for a long time, reducing the occurrence of faults and prolonging the service life of the elevator, and is particularly suitable for plateau environment.
Drawings
Fig. 1 is a circuit schematic of an embodiment of the present invention.
Fig. 2 is a graph of the operating speed of an elevator according to an embodiment of the present invention.
In fig. 2, the horizontal axis T represents time, and the vertical axis M/S represents the elevator running speed.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, an elevator controller comprises an elevator main loop 1 and an elevator main control board 2, namely a control loop, which are connected by a control line, wherein the elevator main loop 1 comprises a rectifying loop 11, a direct current bus loop 12 and an inverter loop 13 which are connected in sequence, a current sensor 3 is installed on the direct current bus loop 12, and the current sensor 3 is connected with the elevator main control board 2 by the control line. The model 2 of the elevator main control board used in the embodiment is WEST-C2
The first temperature sensor 41 is installed on the direct current bus circuit 12, and the first temperature sensor 41 is connected with the elevator main control board 2 through a control circuit.
An elevator comprises the elevator controller, and a main control board 2 of the elevator is externally connected with a second temperature sensor 42 through Ti and To ports, and the second temperature sensor is arranged in a traction machine 5.
An elevator control method can adopt the elevator controller or the elevator, and comprises at least one of the following steps:
s1: detecting the current of a direct current bus in an elevator controller, and reducing the running speed of the elevator when the detected current value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s2: detecting the internal temperature of an elevator controller, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s3: detecting the temperature of the traction machine, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
wherein N is greater than 0 and is a constant, and the elevator needs to execute the command of reducing the running speed after the current running.
In this embodiment, N is 2, that is, when any one or more of the following conditions occurs, the elevator finishes the operation and then executes the instruction to reduce the operation speed:
the current value detected by the current sensor 3 of the dc bus integrated in the main circuit 1 continuously exceeds the preset threshold value for 2 minutes, and the running speed of the elevator is reduced, in this embodiment, to 92% of the rated speed, and the running speed of the elevator is shown by the curve V1 in fig. 2. If the detected current does not exceed the set threshold, the elevator controller drives the traction machine to run at the set normal speed, and the running speed of the elevator is shown as a V curve in figure 2.
The temperature value detected by the first temperature sensor 41 of the dc bus integrated in the main circuit 1 continuously exceeds the preset threshold value for 2 minutes, and the running speed of the elevator is reduced, in this embodiment, to 92% of the rated speed, and the running speed of the elevator is shown as the V1 curve in fig. 2. If the detected temperature does not exceed the set threshold, the elevator controller drives the traction machine to run at the set normal speed, and the running speed of the elevator is shown as a V curve in figure 2.
The temperature value detected by the second temperature sensor 42 installed inside the traction machine 5 is continuously over the preset threshold value for 2 minutes, and the running speed of the elevator is reduced, in this embodiment, to 92% of the rated speed, and the running speed of the elevator is shown by the V1 curve in fig. 2. If the detected temperature does not exceed the set threshold, the elevator controller drives the traction machine to run at the set normal speed, and the running speed of the elevator is shown as a V curve in figure 2.
When the elevator meets any one of the following conditions, the elevator stops running:
A. the current value of a direct current bus in the elevator controller continuously exceeds a preset threshold value H hours;
B. the internal temperature of the elevator controller continuously exceeds a preset threshold value H hours;
C. the temperature of the traction machine continuously exceeds a preset threshold value H hours;
wherein H >0 is a constant. In the embodiment, the value of H is 2, namely, when any one or more of the following conditions are mixed, the elevator stops running.
The current value detected by the current sensor 3 of the direct current bus integrated in the main circuit 1 continues to exceed a preset threshold value for 2 hours.
The temperature value detected by the first temperature sensor 41 of the direct current busbar integrated in the main circuit 1 continues to exceed a preset threshold value for 2 hours.
The temperature value detected by the second temperature sensor 42 installed inside the traction machine 5 continuously exceeds the preset threshold value for 2 hours.
After the elevator stops running, the elevator opens the door, the controller sends maintenance information to the remote terminal and sends shutdown information to the elevator outbound display board, so that the outbound display board displays special characters. In this embodiment, remote terminal can set for the cell-phone or the computer of dimension guarantor personnel, and the controller can be connected with remote terminal through communication module, and specific accessible WIFI or 3G, 4G, 5G communication. The elevator controller is connected with the outer calling board by a control line, and after the elevator stops running, the outer calling display board of the elevator sends out stop information to enable the outer calling board to display special characters.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an elevator controller, includes elevator major loop and the elevator main control board through control scheme connection, wherein the elevator major loop is including rectifier circuit, direct current bus return circuit, the contravariant return circuit that connects gradually, characterized by: and a current sensor is installed on the direct current bus loop and is connected with the elevator main control board through a control circuit.
2. The elevator controller of claim 1, wherein: and a first temperature sensor is installed on the direct current bus loop and is connected with the elevator main control board through a control circuit.
3. An elevator, characterized by: comprising an elevator control according to claim 1 or 2.
4. An elevator according to claim 3, characterized in that: the elevator main control board is externally connected with a second temperature sensor, and the second temperature sensor is arranged in the traction machine.
5. An elevator control method is characterized in that: comprises at least one of the following steps:
s1: detecting the current of a direct current bus in an elevator controller, and reducing the running speed of the elevator when the detected current value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s2: detecting the internal temperature of an elevator controller, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
s3: detecting the temperature of the traction machine, and reducing the running speed of the elevator when the detected temperature value continuously exceeds a preset threshold value for N minutes; otherwise, not processing;
wherein N >0, is a constant.
6. The elevator control method according to claim 5, wherein: the elevator must finish executing the command for reducing the running speed after the current running.
7. The elevator control method according to claim 5, wherein the elevator stops operating when any one of the following conditions is satisfied:
A. the current value of a direct current bus in the elevator controller continuously exceeds a preset threshold value H hours;
B. the internal temperature of the elevator controller continuously exceeds a preset threshold value H hours;
C. the temperature of the traction machine continuously exceeds a preset threshold value H hours;
wherein H >0 is a constant.
8. The elevator control method according to claim 7, wherein: and after the elevator stops running, the elevator opens the door.
9. The elevator control method according to claim 7, wherein: and after the elevator stops running, the controller sends maintenance information to the remote terminal.
10. The elevator control method according to claim 7, wherein: and after the elevator stops running, the controller sends stop information to the elevator outbound display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381435.4A CN110963380A (en) | 2019-12-27 | 2019-12-27 | Elevator controller, elevator and elevator control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381435.4A CN110963380A (en) | 2019-12-27 | 2019-12-27 | Elevator controller, elevator and elevator control method |
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| Publication Number | Publication Date |
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| CN110963380A true CN110963380A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911381435.4A Pending CN110963380A (en) | 2019-12-27 | 2019-12-27 | Elevator controller, elevator and elevator control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4436031A1 (en) * | 2023-03-22 | 2024-09-25 | Hamilton Sundstrand Corporation | Novel current limit strategy for hoist application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007055023A1 (en) * | 2005-11-14 | 2007-05-18 | Mitsubishi Denki Kabushiki Kaisha | Elevator control device |
| CN101816122A (en) * | 2007-10-01 | 2010-08-25 | 通力股份公司 | Restriction of output of electrical drive and protection of an elevator |
| CN101925528A (en) * | 2008-03-27 | 2010-12-22 | 三菱电机株式会社 | Elevator control system |
| CN105531216A (en) * | 2013-09-03 | 2016-04-27 | 三菱电机株式会社 | Elevator control device |
| CN108622758A (en) * | 2017-03-16 | 2018-10-09 | 东芝电梯株式会社 | Elevator control gear |
-
2019
- 2019-12-27 CN CN201911381435.4A patent/CN110963380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007055023A1 (en) * | 2005-11-14 | 2007-05-18 | Mitsubishi Denki Kabushiki Kaisha | Elevator control device |
| CN101816122A (en) * | 2007-10-01 | 2010-08-25 | 通力股份公司 | Restriction of output of electrical drive and protection of an elevator |
| CN101925528A (en) * | 2008-03-27 | 2010-12-22 | 三菱电机株式会社 | Elevator control system |
| CN105531216A (en) * | 2013-09-03 | 2016-04-27 | 三菱电机株式会社 | Elevator control device |
| CN108622758A (en) * | 2017-03-16 | 2018-10-09 | 东芝电梯株式会社 | Elevator control gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4436031A1 (en) * | 2023-03-22 | 2024-09-25 | Hamilton Sundstrand Corporation | Novel current limit strategy for hoist application |
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Application publication date: 20200407 |
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