CN208561335U - Elevator - Google Patents
Elevator Download PDFInfo
- Publication number
- CN208561335U CN208561335U CN201820973695.5U CN201820973695U CN208561335U CN 208561335 U CN208561335 U CN 208561335U CN 201820973695 U CN201820973695 U CN 201820973695U CN 208561335 U CN208561335 U CN 208561335U
- Authority
- CN
- China
- Prior art keywords
- coil
- temperature
- door control
- value
- control motor
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
Abstract
The utility model relates to elevators, which is characterized in that have: door controls motor, is driven so that the door of elevator is opened and closed, has the coil of star-like connection；With door control base board, the driving of door control motor is controlled, the temperature rise mechanism for monitoring for having the coil temperature for monitoring the door control motor, temperature rise mechanism for monitoring has coil initial temperature acquisition unit, coil initial resistivity value arithmetic element, voltage measuring unit for measuring, amperometric determination unit, coil real time resistance value arithmetic element, temperature rises arithmetic element, according to coil initial temperature, coil initial resistivity value and coil real time resistance value, utilize the temperature rising value of electric-resistivity method operation coil, the coil temperature of root temperature rising value and the motor of monitoring door control in real time.
Description
Technical field
The utility model relates to elevators.
Background technique
Have the door driven to the opening and closing of the door of elevator in elevator and controls motor.Go out in the operating of door control motor
When now abnormal, the coil of door control motor will appear temperature and excessively rise.In order to ensure the safety of elevator, grasps door and control horse
The operational situation reached, the temperature for needing to monitor coil rise.
With social development, skyscraper is more and more, elevator as must be provided with, safety more and more attention has been paid to,
In addition maintenance staff's number, operation level and detection instrument are limited, there are all if it cannot accomplish real time monitoring to motor temperature rise
More security risks.If elevator current environment is severe, such as high temperature, elevator door control motor coil temperature rise is close to design most harsh item
When part, elevator device, door control system and remote monitoring system cannot monitor motor temperature rise coil temperature in real time, cannot prompt to operate
Personnel and the control motor temperature rise of monitoring personnel door are excessively high, can not achieve the effect of protective door control motor.
In the prior art, motor detection method for temperature rise is roughly divided into three kinds: the first is patch thermometer method, by temperature
Meter is attached to electrode surface measurement temperature；Second is to bury inspection thermometer method, when assembly, estimate may the higher place of temperature bury
Set thermometer；The third is the Infrared Detection Method based on image processing techniques, acquires image by thermal infrared imager, is transferred to fortune
Calculation machine image procossing and diagnosis.
However, there is a problem of that measurement precision is low in patch thermometer method.In burying inspection thermometer method, need to motor
Coil buries temperature rise detection line, thus there is a problem of it is at high cost, moreover, can only in temperature buildup tests measuring temperature
Rise, and real-time guard cannot be carried out to each motor of factory.In addition, needing to carry out a large amount of in infrared detection method
Operation has that computational load is overweight.
Utility model content
The problem of utility model aims to solve the motor detection method for temperature rise of the prior art, provides one
Kind by the temperature rise value of electric-resistivity method real-time operation gate control line coil motor, so as to monitoring door in real time with a simple configuration
Control the elevator of the operational situation of motor.
The elevator of the utility model has: door controls motor, is driven so that the door of elevator is opened and closed, has star-like connection
Coil；With door control base board, the driving of door control motor is controlled, has the line for monitoring the door control motor
Enclose the temperature rise mechanism for monitoring of temperature；The temperature rise mechanism for monitoring has: coil initial temperature acquisition unit, opens in door control motor
Begin the temperature that the coil is obtained before running, as coil initial temperature；Voltage measuring unit for measuring connects with door control motor
It connects, measures the phase voltage of each phase of the coil of the door control motor；Amperometric determination unit is connect with door control motor,
The phase current of each phase of the coil of the door control motor is synchronously measured with the measurement phase voltage；Coil initial resistivity value fortune
Unit is calculated, is connect with the voltage measuring unit for measuring and the amperometric determination unit, before door control motor brings into operation, in door
In the state of the operating stopping for controlling motor, according to coil described in the phase voltage of the coil determined and phase current operation
Resistance value, as coil initial resistivity value；Coil real time resistance value arithmetic element, with the voltage measuring unit for measuring and the electric current
Determination unit connection, after door control motor operation have passed through the stipulated time, under door completely closed state, according to determining
The coil phase voltage and phase current operation coil real time resistance value；Temperature rises arithmetic element, initial with the coil
Temperature acquisition unit, the coil initial resistivity value arithmetic element and coil real time resistance value arithmetic element connection, according to
The coil initial temperature, the coil initial resistivity value and the coil real time resistance value, utilize line described in electric-resistivity method operation
The temperature rising value of circle, the temperature rise mechanism for monitoring monitor the door control motor according to the temperature rising value in real time
Coil temperature.
The elevator of the utility model is also possible to the temperature rise mechanism for monitoring and is also equipped with: on comparing unit, with the temperature
Arithmetic element connection is risen, the temperature rising value and the predetermined temperature upper limit of arithmetic element will be risen from the temperature
Value compares；And warning unit, it is connect with the comparing unit, is temperature rising in the comparison result of the comparing unit
Value has been more than to give a warning in the case where the temperature upper limit.
The elevator of the utility model is also possible to the elevator and has the operating mechanism for carrying out various inputs for user, institute
It states coil initial temperature acquisition unit to connect with the operating mechanism, be inputted by user using the operating mechanism by acquirement
Defined temperature value is as the coil initial temperature.
The elevator of the utility model, which is also possible to be equipped in the door control base board, to be connect with door control motor, surveys
The temperature sensor of the temperature of the coil of the fixed door control motor, the coil initial temperature acquisition unit in door by controlling
Motor reads the temperature value of the temperature sensor before bringing into operation as the coil initial temperature.
The elevator of the utility model is also possible to the elevator and has remote supervisory and controlling equipment structure, the remote supervisory and controlling equipment structure and institute
The connection of temperature rise mechanism for monitoring is stated, the coil temperature of the door control motor is remotely monitored.
The elevator of the utility model, which is also possible to the temperature upper limit, to be preset according to motor temperature grade
's.
The voltage value and electric current of motor coil initial temperature and each phase obtained in real time from motor coil are controlled according to door
Value, using the temperature rise value of electric-resistivity method real-time operation gate control line coil motor, if motor temperature rise value is more than preset temperature rise
Limes superiors then issues failure warning, can monitor in real time with a simple configuration, prevents the excessively high damage door control motor of temperature rise,
To realize the needs of protective door control motor.
Detailed description of the invention
Fig. 1 is the integrally-built block diagram for indicating the gate control circuit of the elevator of the utility model.
Fig. 2 is the frame of the structure for the temperature rise monitoring unit for indicating that the door control base board of the elevator of the utility model has
Figure.
Fig. 3 is the circuit diagram of the motor control system of the elevator of the utility model.
Fig. 4 is the flow chart that the monitoring door control motor temperature of the elevator of the utility model rises.
Specific embodiment
In the following, the embodiments of the present invention are described in detail with reference to accompanying drawings.
As shown in Figure 1, elevator has: door controls motor 1, is driven so that the door of elevator be opened and closed, has shown in Fig. 3 that
The coil of the star-like connection of sample；With door control base board 2, the driving for controlling motor 1 on the door is controlled, and has monitoring door control horse
The temperature rise mechanism for monitoring 3 of the coil temperature reached.
As shown in Fig. 2, temperature rise mechanism for monitoring has coil initial temperature acquisition unit 31, voltage measuring unit for measuring 32, electric current
Determination unit 33, coil initial resistivity value arithmetic element 34, coil real time resistance value arithmetic element 35 and temperature rise operation list
Member 36, temperature rise arithmetic element 36 based on the coil initial temperature obtained by coil initial temperature acquisition unit 31, by coil
The coil initial resistivity value and calculated by coil real time resistance value arithmetic element 35 that initial resistivity value arithmetic element calculates
Coil real time resistance value, using electric-resistivity method, the temperature rising value of operation coil, temperature rise mechanism for monitoring 3 is according to temperature rising value
And the coil temperature of the motor of monitoring door control in real time.
Specifically, as shown in Figure 1, elevator has the operating mechanism 4 for carrying out various inputs for user, coil initial temperature
Acquisition unit 31 is connect with the operating mechanism 4, be can be before door control motor brings into operation, is obtained the temperature of coil, make
For coil initial temperature Tu1, Tv1, Tw1.In addition, although not shown, but be equipped in door control base board and connect, survey with door control motor
Determine the temperature sensor (not shown) of the temperature of the coil of door control motor, coil initial temperature acquisition unit 31 can also pass through
The temperature value of temperature sensor is read before door control motor brings into operation as coil initial temperature Tu1, Tv1, Tw1.
In addition, as shown in Fig. 2, voltage measuring unit for measuring 32 is connect with door control motor 1, measurement in temperature rise mechanism for monitoring 3
The phase voltage of each phase of the coil of door control motor 1, amperometric determination unit 33 are connect with door control motor 1, with measurement phase voltage
The synchronously phase current of each phase of the coil of measurement door control motor 1.
In addition, coil initial resistivity value arithmetic element 34 is connect with voltage measuring unit for measuring 32 and amperometric determination unit 33, and
And before door control motor 1 brings into operation, in the state that the operating of door control motor 1 stops, according to the phase voltage of coil
And phase current, using resistance value=voltage ÷ electric current relationship, the resistance value of operation coil, as coil initial resistivity value Ru1,
Rv1、Rw1。
In addition, voltage measuring unit for measuring 32 is connect with door control motor 1, the stipulated time have passed through in the door control operation of motor 1
Afterwards, under door completely closed state, phase voltage Uu, Uv, Uw of each phase of coil are measured in real time from door control motor.Specifically
For, Uu, Uv, Uw are according to voltage VuC, VvC, Vwc between PN, based on obtained from following formulas (1).
The voltage for obtaining each phase of coil according to voltage VuC, VvC, Vwc between PN and using formula 1 in this way is well known skill
Art, therefore description is omitted herein.
In addition, amperometric determination unit 33 is connect with door control motor 1, phase voltage is obtained synchronously with voltage measuring unit for measuring 32
From phase current IvF, IuF, IwF of each phase of door control motor measurement coil, wherein according to the circuit diagram of Fig. 3, in motor
In coil, coil current meets the relationship of IvF+IuF+IwF=0, therefore, as long as measuring any the two.
In addition, coil real time resistance value arithmetic element is connect with voltage measuring unit for measuring and amperometric determination unit, based in door
The phase voltage and phase current measured after control motor operation have passed through the stipulated time and under door completely closed state, operation coil
Real time resistance value.Specifically, using following formulas 2 come operation coil real time resistance value Ru2, Rv2, Rw2.
In addition, temperature rise arithmetic element and coil initial temperature acquisition unit, coil initial resistivity value arithmetic element and
Coil real time resistance value arithmetic element connection, according to from coil initial temperature acquisition unit coil initial temperature Tu1, Tv1,
Tw1, coil initial resistivity value Ru1, Rv1, Rw1 from coil initial resistivity value arithmetic element and come from coil real time resistance value
Coil real time resistance value Ru2, Rv2, Rw2 of arithmetic element, using temperature rising value Tu2, Tv2 of electric-resistivity method operation coil,
Tw2.Specifically, utilizing following 3 operation temperature rising values of formula.
In this way according to coil initial temperature and coil initial resistivity value and using formula 3 come the temperature rising value category of operation coil
In well known technology, therefore herein, description is omitted.
In addition, temperature rise mechanism for monitoring is also equipped in the elevator of the utility model: comparing unit 37 rises operation with temperature
Unit 36 connects, and will rise the temperature rising value of arithmetic element 36 from temperature compared with predetermined temperature upper limit value；With
And warning unit 38, connect with comparing unit 37, comparing unit 37 comparison result be temperature rising value be more than in temperature
It is given a warning in the case where limit value.Wherein, as an example, temperature upper limit is preset according to motor temperature grade.
In addition, the elevator of the utility model has remote supervisory and controlling equipment structure 5, the remote supervisory and controlling equipment structure 5 and temperature rise mechanism for monitoring
Connection, the long-range coil temperature for monitoring door control motor.It also, is more than temperature upper limit, elevator controlling system in temperature rising value
System is controlled and stops the operation of motor.Thereby, it is possible to prevent a control motor from damaging because of excessive high temperature.
In the following, simpling illustrate movement when user is operated using the elevator of the utility model.
In step sl, before door control motor brings into operation, i.e., under motor operation halted state, by lift attendant
Equal users operate operating mechanism, and door is arranged according to environment temperature and controls motor winding temperature initial value, alternatively, by coil
Initial temperature acquisition unit directly reads coil temperature initial value from door control substrate temperature sensor.
Then, in step s 2, before door control motor brings into operation, i.e., under motor operation halted state, horse is measured
Up to the phase voltage and phase current of coil, the resistance value of operation coil, as coil initial resistivity value.
Then, in step s3, judge whether it is that the study of position finishes and door completely closed state.Sentence in step s3
In the case where breaking to be, movement advances to step S4.
Then, in step s 4, the phase voltage of each phase of coil is obtained.
Then, in step s 5, the phase current of each phase of coil is synchronously obtained with acquirement phase voltage.
Then, in step s 6, it is based on phase voltage and phase current operation coil real time resistance value.
Then, in the step s 7, initial according to the coil initial temperature obtained in step S1, the coil obtained in step S2
The coil real time resistance value obtained in resistance value and step S6, utilizes the temperature rising value of electric-resistivity method operation coil.
Then, in step s 8, whether the temperature rising value calculated in judgment step S7 has been more than preset temperature
Spend upper limit value.
Then, in step s 9, in the case where judging structure to be, given a warning in step S8.
Elevator according to the present utility model can pass through letter according to the temperature rising value of electric-resistivity method operation door motor coil
Single structure monitors the operational situation of door control motor in real time, and motor coil temperature rise can be prevented excessively high and damaged.
The embodiments of the present invention is explained above, but these embodiments are intended only as example and show, and
The range of not intended to limit utility model.New embodiment can be implemented with various other ways, not depart from invention
In the range of purport, it is able to carry out various omissions, displacement, change.These embodiments and modifications thereof are included in the range of invention
And in purport, it is also contained in range documented by claim and its equivalent range.
Claims (6)
1. a kind of elevator, which is characterized in that have:
Door control motor is driven so that the door of elevator is opened and closed, has the coil of star-like connection；With
Door control base board controls the driving of door control motor, has the coil temperature for monitoring the door control motor
The temperature rise mechanism for monitoring of degree；
The temperature rise mechanism for monitoring has:
Coil initial temperature acquisition unit obtains the temperature of the coil, as coil before door control motor brings into operation
Initial temperature；
Voltage measuring unit for measuring is connect with door control motor, measures the phase voltage of each phase of the coil of the door control motor；
Amperometric determination unit is connect with door control motor, synchronously measures the door control horse with the phase voltage is measured
The phase current of each phase of the coil reached；
Coil initial resistivity value arithmetic element is connect with the voltage measuring unit for measuring and the amperometric determination unit, is controlled in door
Before motor brings into operation, in the state that the operating of door control motor stops, according to the phase voltage of the coil determined
With the resistance value of coil described in phase current operation, as coil initial resistivity value；
Coil real time resistance value arithmetic element, connect with the voltage measuring unit for measuring and the amperometric determination unit, controls in door
After motor operation have passed through the stipulated time, under door completely closed state, according to the phase voltage of the coil determined and
Phase current operation coil real time resistance value；
Temperature rise arithmetic element, with the coil initial temperature acquisition unit, the coil initial resistivity value arithmetic element and
Coil real time resistance value arithmetic element connection, according to the coil initial temperature, the coil initial resistivity value and described
Coil real time resistance value, using the temperature rising value of coil described in electric-resistivity method operation,
The temperature rise mechanism for monitoring monitors the coil temperature of the door control motor according to the temperature rising value in real time.
2. elevator as described in claim 1, which is characterized in that
The temperature rise mechanism for monitoring is also equipped with:
Comparing unit rises arithmetic element with the temperature and connect, and will rise the temperature of arithmetic element from the temperature
Rising value is compared with predetermined temperature upper limit value；And
Warning unit is connect with the comparing unit, is that the temperature rising value is more than in the comparison result of the comparing unit
It is given a warning in the case where the temperature upper limit.
3. elevator as described in claim 1, which is characterized in that
The elevator has the operating mechanism that various inputs are carried out for user,
The coil initial temperature acquisition unit is connect with the operating mechanism, uses the operating mechanism by user by obtaining
The defined temperature value of input is as the coil initial temperature.
4. elevator as described in claim 1, which is characterized in that
The temperature that the coil of the door control motor is connect, measured with door control motor is equipped in the door control base board
Temperature sensor,
The coil initial temperature acquisition unit reads the temperature sensor by controlling before motor brings into operation in door
Temperature value is as the coil initial temperature.
5. elevator as described in claim 3 or 4, which is characterized in that
The elevator has remote supervisory and controlling equipment structure, which connect with the temperature rise mechanism for monitoring, remotely monitors institute
State a coil temperature for control motor.
6. elevator as described in claim 1, which is characterized in that
The temperature upper limit is preset according to motor temperature grade.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973695.5U CN208561335U (en) | 2018-06-22 | 2018-06-22 | Elevator |
| MYUI2019002662A MY194863A (en) | 2018-06-22 | 2019-05-10 | Elevator |
| SG10201904326QA SG10201904326QA (en) | 2018-06-22 | 2019-05-14 | Elevator |
| KR2020190001965U KR20200000010U (en) | 2018-06-22 | 2019-05-15 | Elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973695.5U CN208561335U (en) | 2018-06-22 | 2018-06-22 | Elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208561335U true CN208561335U (en) | 2019-03-01 |
Family
ID=65488737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820973695.5U Active CN208561335U (en) | 2018-06-22 | 2018-06-22 | Elevator |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20200000010U (en) |
| CN (1) | CN208561335U (en) |
| MY (1) | MY194863A (en) |
| SG (1) | SG10201904326QA (en) |
-
2018
- 2018-06-22 CN CN201820973695.5U patent/CN208561335U/en active Active
-
2019
- 2019-05-10 MY MYUI2019002662A patent/MY194863A/en unknown
- 2019-05-14 SG SG10201904326QA patent/SG10201904326QA/en unknown
- 2019-05-15 KR KR2020190001965U patent/KR20200000010U/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| MY194863A (en) | 2022-12-21 |
| KR20200000010U (en) | 2020-01-02 |
| SG10201904326QA (en) | 2020-01-30 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |