CN108394772B - Elevator balance coefficient detection method and system - Google Patents

Elevator balance coefficient detection method and system Download PDF

Info

Publication number
CN108394772B
CN108394772B CN201810106833.4A CN201810106833A CN108394772B CN 108394772 B CN108394772 B CN 108394772B CN 201810106833 A CN201810106833 A CN 201810106833A CN 108394772 B CN108394772 B CN 108394772B
Authority
CN
China
Prior art keywords
elevator
photoelectric encoder
pulse number
car
balance coefficient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810106833.4A
Other languages
Chinese (zh)
Other versions
CN108394772A (en
Inventor
毛新建
陈君英
祝通广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Juli Technology Co ltd
Original Assignee
Hangzhou Juli Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Juli Technology Co ltd filed Critical Hangzhou Juli Technology Co ltd
Priority to CN201810106833.4A priority Critical patent/CN108394772B/en
Publication of CN108394772A publication Critical patent/CN108394772A/en
Application granted granted Critical
Publication of CN108394772B publication Critical patent/CN108394772B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0037Performance analysers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087Devices facilitating maintenance, repair or inspection tasks

Abstract

The invention discloses a method and a system for detecting an elevator balance coefficient, wherein the method comprises the following steps: increasing a preset load for the elevator car, starting the elevator and starting to operate the elevator car; calculating the pulse number of the photoelectric encoder within a preset time according to the received data signal detected by the photoelectric encoder, and calculating the current according to the calculated pulse number; when the pulse number and the current of the photoelectric encoder are both smaller than preset values, the elevator is in a balanced load state, and the balance coefficient of the elevator is calculated and displayed. When the elevator is normally leveled and the load is balanced, the balance coefficient of the elevator is calculated and displayed, so that manpower and material resources are saved, and the operation of debugging personnel is greatly facilitated.

Description

Elevator balance coefficient detection method and system
Technical Field
The invention relates to the technical field of elevator detection, in particular to a method and a system for detecting an elevator balance coefficient.
Background
The method for obtaining the balance coefficient of the elevator commonly used at present mainly adopts a direct weighing method, namely, the parts such as an elevator car, a counterweight and the like are directly weighed, so that the balance coefficient of the elevator is directly calculated. Specifically, the car is added with a weight to make a balance coefficient, such as 25%, 50%, 80%, 100%, 120% of load, and the like, each item requires to carry the load into the elevator car during operation, and the weight of the.
Disclosure of Invention
The invention aims to solve the technical problems that the existing elevator balance coefficient acquisition method is realized by carrying a load into an elevator car, manpower and material resources are wasted, and the operation is inconvenient.
In order to solve the technical problem, the technical scheme adopted by the invention is to provide an elevator balance coefficient detection method, which comprises the following steps:
increasing a preset load for the elevator car, starting the elevator and starting to operate the elevator car;
calculating the pulse number of the photoelectric encoder within a preset time according to the received data signal detected by the photoelectric encoder, and calculating the current according to the calculated pulse number;
when the pulse number and the current of the photoelectric encoder are both smaller than preset values, the elevator is in a balanced load state, and the balance coefficient of the elevator is calculated and displayed.
Preferably, when the pulse number or the current of the photoelectric encoder is larger than a preset value, the elevator is in an unbalanced load state.
Preferably, when the elevator is in an unbalanced load state, if the pulse number direction of the photoelectric encoder is consistent with the direction of the empty car, the load of the elevator car is overlarge; otherwise, the elevator car is under-loaded.
Preferably, the method further comprises the step of opening a main contactor and a band-type brake of the elevator after the elevator is started.
Preferably, the data signal detected by the photoelectric encoder comprises the geometric displacement of the output shaft of the driving motor.
The invention also provides a system for detecting the balance coefficient of the elevator, which comprises:
the photoelectric encoder converts mechanical geometric displacement on the output shaft of the driving motor into pulse or digital signals through photoelectric conversion;
the analysis processing module is used for determining that the elevator is in a balanced load state when the pulse number and the current of the photoelectric encoder are smaller than preset values, and otherwise, determining that the elevator is in an unbalanced load state; when the elevator is in an unbalanced load state, if the pulse number direction of the photoelectric encoder is consistent with the direction of the no-load car, determining that the load of the car is too large, otherwise, determining that the load of the car is too small;
the digital signal processor DSP receives the data signals detected by the photoelectric encoder, calculates the pulse number of the photoelectric encoder within a preset time according to the received data signals, and calculates the current according to the calculated pulse number;
the driving motor drives the elevator car to run;
and the data processing module is used for calculating and displaying the balance coefficient of the elevator according to the result of the analysis processing module.
The invention provides a method and a system for detecting the balance coefficient of an elevator, which can be used for calculating and displaying the balance coefficient of the elevator when the elevator is normally leveled and is balanced in load, thereby saving manpower and material resources and greatly facilitating the operation of debugging personnel.
Drawings
FIG. 1 is a flow chart of a method for detecting the balance coefficient of an elevator according to the present invention;
fig. 2 is a schematic structural diagram of an elevator balance coefficient detection system in the invention.
Detailed Description
The method aims to solve the problems that manpower and material resources are wasted and operation is inconvenient due to the fact that the load is carried in an elevator car in the existing method for obtaining the elevator balance coefficient. The invention provides a method and a system for detecting the balance coefficient of an elevator, which can be used for calculating and displaying the balance coefficient of the elevator when the elevator is normally leveled and is balanced in load, thereby saving manpower and material resources and greatly facilitating the operation of debugging personnel.
The invention is described in detail below with reference to the drawings and the detailed description.
The embodiment of the invention provides a method for detecting an elevator balance coefficient, which comprises the following steps as shown in figure 1:
and S1, adding a preset load to the elevator car.
And S2, starting the elevator and starting to run the car.
And S3, opening a main contactor and a band-type brake of the elevator.
And S4, receiving a data signal detected by the photoelectric encoder, wherein the data signal comprises the geometric displacement of the output shaft of the driving motor.
The photoelectric encoder is a sensor which converts mechanical geometric displacement on an output shaft of a driving motor into pulse or digital signals through photoelectric conversion, is widely applied and comprises a grating disc and a photoelectric detection device. The grating disk is formed by equally dividing a circular plate with a certain diameter into a plurality of rectangular holes. Because the photoelectric detection device is coaxial with the driving motor, when the driving motor rotates, the grating disk and the driving motor rotate simultaneously, a plurality of pulse signals are detected and output by the detection device composed of electronic elements such as light emitting diodes, and the current rotating speed of the driving motor can be reflected by calculating the output number of the photoelectric encoder per second.
And S5, calculating the pulse number of the photoelectric encoder in the preset time according to the received data signal.
And S6, calculating the current according to the calculated pulse number.
S7, judging whether the pulse number and the current of the photoelectric encoder are both smaller than preset values, and if so, turning to S8; otherwise, go to S9.
S8, the elevator is in the state of balanced load, and S13 is turned.
S9, the elevator is in the unbalanced load state, and S10 is turned.
And S10, judging whether the pulse number direction of the photoelectric encoder is consistent with the direction of the unloaded car, if so, turning to S11, and otherwise, turning to S12.
S11, the elevator car is overloaded, and S13 is turned.
S12, the elevator car is under load, and S13 is turned.
And S13, calculating and displaying the balance coefficient and the unbalance coefficient of the elevator.
The embodiment of the present invention further provides an elevator balance coefficient detection system, as shown in fig. 2, including:
the photoelectric encoder 10 converts the mechanical geometric displacement on the output shaft of the driving motor 40 into a pulse or a digital signal by photoelectric conversion.
The analysis processing module 20 determines that the elevator is in a balanced load state when the pulse number and the current of the photoelectric encoder 10 are both smaller than preset values, and otherwise determines that the elevator is in an unbalanced load state; when the elevator is in an unbalanced load state, if the pulse number direction of the photoelectric encoder 10 is consistent with the direction of the no-load car, determining that the load of the car is too large, otherwise, determining that the load of the car is too small;
the digital signal processor DSP30 receives the data signal detected by the photoelectric encoder 10, calculates the number of pulses of the photoelectric encoder 10 within a preset time according to the received data signal, and calculates the current according to the calculated number of pulses;
a driving motor 40 for driving the elevator car to run;
and the data processing module 50 calculates and displays the balance coefficient of the elevator according to the result of the analysis processing module 20.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made by anyone in the light of the present invention, all the technical solutions similar or similar to the present invention, fall within the protection scope of the present invention.

Claims (3)

1. The method for detecting the balance coefficient of the elevator is characterized by comprising the following steps of:
increasing a preset load for the elevator car, starting the elevator and starting to operate the elevator car;
calculating the pulse number of the photoelectric encoder within a preset time according to the received data signal detected by the photoelectric encoder, and calculating the current according to the calculated pulse number;
when the pulse number and the current of the photoelectric encoder are both smaller than preset values, the elevator is in a balanced load state, and the balance coefficient of the elevator is calculated and displayed;
when the pulse number or the current of the photoelectric encoder is larger than a preset value, the elevator is in an unbalanced load state;
when the elevator is in an unbalanced load state, if the pulse number direction of the photoelectric encoder is consistent with the direction of the no-load car, the load of the elevator car is overlarge; otherwise, the elevator car is under-loaded;
the data signal detected by the photoelectric encoder comprises the geometric displacement of the output shaft of the driving motor.
2. The method for detecting the balance coefficient of the elevator as claimed in claim 1, further comprising opening a main contactor and a band-type brake of the elevator after the elevator is started.
3. An elevator balance coefficient detection system, comprising:
the photoelectric encoder converts mechanical geometric displacement on the output shaft of the driving motor into pulse or digital signals through photoelectric conversion;
the analysis processing module is used for determining that the elevator is in a balanced load state when the pulse number and the current of the photoelectric encoder are smaller than preset values, and otherwise, determining that the elevator is in an unbalanced load state; when the elevator is in an unbalanced load state, if the pulse number direction of the photoelectric encoder is consistent with the direction of the no-load car, determining that the load of the car is too large, otherwise, determining that the load of the car is too small;
the digital signal processor DSP receives the data signals detected by the photoelectric encoder, calculates the pulse number of the photoelectric encoder within a preset time according to the received data signals, and calculates the current according to the calculated pulse number;
the driving motor drives the elevator car to run;
and the data processing module is used for calculating and displaying the balance coefficient of the elevator according to the result of the analysis processing module.
CN201810106833.4A 2018-02-02 2018-02-02 Elevator balance coefficient detection method and system Active CN108394772B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810106833.4A CN108394772B (en) 2018-02-02 2018-02-02 Elevator balance coefficient detection method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810106833.4A CN108394772B (en) 2018-02-02 2018-02-02 Elevator balance coefficient detection method and system

Publications (2)

Publication Number Publication Date
CN108394772A CN108394772A (en) 2018-08-14
CN108394772B true CN108394772B (en) 2021-02-26

Family

ID=63095185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810106833.4A Active CN108394772B (en) 2018-02-02 2018-02-02 Elevator balance coefficient detection method and system

Country Status (1)

Country Link
CN (1) CN108394772B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112279031B (en) * 2020-10-28 2022-04-26 广州广日电梯工业有限公司 Calibration method and calibration device for elevator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104118781A (en) * 2014-07-08 2014-10-29 上海新时达电气股份有限公司 Method for determining balance coefficient
CN106348117A (en) * 2016-11-18 2017-01-25 广州日滨科技发展有限公司 Calculation method and device of elevator equilibrium coefficient

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2934253A1 (en) * 2008-07-28 2010-01-29 Emile Kadoche Electrically controlled lift, has cabin whose mass is equal to or slightly heavier than that of counterweight, and maneuver card cooperating with absolute coder that calculates displacement distance before leaving parking lot
CN104627757B (en) * 2013-11-15 2017-05-03 日立电梯(中国)有限公司 Elevator starting compensation device and compensation method of elevator starting compensation device
CN105502116A (en) * 2014-10-15 2016-04-20 江南嘉捷电梯股份有限公司 Method used for measuring balance coefficient of elevator
CN104787628B (en) * 2015-02-15 2016-08-17 徐田英 A kind of elevator integration control system with security system
CN106395535B (en) * 2016-11-18 2018-09-07 日立楼宇技术(广州)有限公司 A kind of acquisition methods and device of balance coefficient of elevator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104118781A (en) * 2014-07-08 2014-10-29 上海新时达电气股份有限公司 Method for determining balance coefficient
CN106348117A (en) * 2016-11-18 2017-01-25 广州日滨科技发展有限公司 Calculation method and device of elevator equilibrium coefficient

Also Published As

Publication number Publication date
CN108394772A (en) 2018-08-14

Similar Documents

Publication Publication Date Title
CN201476939U (en) Automatic weight loading-unloading device of piston pressure gage
CN108394772B (en) Elevator balance coefficient detection method and system
CN1707262A (en) Methods and apparatus for rotor blade ice detection
CN101941624B (en) Method for detecting operation troubles of mine hoist
CN103439907B (en) Multi signal collection test the speed and reversal protection control device and reversion decision method
CN108750955B (en) Device and method for detecting length of winch rope outlet
CN107235419A (en) Safety monitoring system for tower crane and the derrick crane with it
CN102167259B (en) Measuring method of loading quality of hoisting machine
US20180088003A1 (en) Techniques for monitoring gear condition
CN109052176A (en) A kind of measuring device of the two-electron atom bridge crane synchronous error based on optoelectronic induction
CN112254626B (en) Angular velocity fluctuation self-checking method for door machine motor rotor position sensor
CN101358858B (en) Detection device and method for crankshaft position sensor
CN206955472U (en) A kind of raising lift heavy weighs and control device
CN104709827B (en) Lifting limiting control system, hoisting mechanism and crane
CN202609745U (en) Monitoring device of brake control system of mine hoist
GB1511141A (en) Apparatus for use in balancing wheels
CN203422633U (en) Multi-signal acquisition velocity measurement and reverse rotation protection control device
US10436673B2 (en) Method and a device for determining torsional deformation in a drivetrain
CN106081774A (en) A kind of balance coefficient of elevator detection alarm method and system
CN208377798U (en) A kind of automatic winding displacement rotation charging tray of screw production
CN203101046U (en) Special-purpose ABS gear detection device used for preparing ABS sensor detection tool
CN110657831A (en) Pulse encoder quality detection system
CN213397499U (en) High-precision bearing roller dynamic unbalance measuring device
CN204528510U (en) Gig speed measuring device
CN215665376U (en) Contact type revolution speed transducer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant