CN107235434A - A kind of stepless speed control elevator controls drive system - Google Patents
A kind of stepless speed control elevator controls drive system Download PDFInfo
- Publication number
- CN107235434A CN107235434A CN201610178191.XA CN201610178191A CN107235434A CN 107235434 A CN107235434 A CN 107235434A CN 201610178191 A CN201610178191 A CN 201610178191A CN 107235434 A CN107235434 A CN 107235434A
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- CN
- China
- Prior art keywords
- circuit
- signal
- control
- stepless speed
- elevator
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- 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
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/48—Control devices automatic
- B66D1/485—Control devices automatic electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The invention provides a kind of variable speed elevator handheld manipulator, a kind of variable speed elevator handheld manipulator includes inductor one, signal generator one, signal processor, signal generator two, inductor two, steel cable latch assembly one, steel cable latch assembly two, steel cable latch assembly three, push rod, emergency stop switch, locating snap ring, installing plate, compression spring reset assembly, handle casing, taper knob, handle sliding bar, steel cable sleeve pipe, steel cable latch assembly four.The beneficial effects of the invention are as follows sensitivity, the service life for improving handheld manipulator, the output of continuous signal is so as to solve the problems, such as the variable speed of elevator simultaneously, production efficiency can be greatly improved, pole is beneficial to one-handed performance and the control of elevator, and labor intensity is reduced while improving operating efficiency.
Description
Technical field：
Field is manufactured the present invention relates to elevator, specially a kind of stepless speed control elevator control drive system.
Background technology：
Generally, the species of elevator is more various, and single-speed motor rotating speed is fixed, and the number of poles of motor is also fixation,
Such as：750 turns of 2 poles --- 3000 turns, 4 poles --- 1500 turns, 6 poles --- 1000 turns, 8 poles ---, even if using double-speed motor, typically
It is pole-changing motor, particularly by change connection (such as Δ/YY), thus it is possible to vary the number of poles of motor, can not overcomes and reach nothing
The purpose of level speed governing.
The speed of elevator is fixed, is made up of in terms of current controller push type button, emergency stop switch, by by
The contact contact of button provides control signal, realizes the constant speed ascending, descending control of elevator, is changed in actual Initialize installation and lifting
During to, start-up and shut-down control, contact contact switch is easily damaged by mechanical shock, simultaneously because the instant contact of voltage or
Person, which disconnects, causes electric shock spark, easily burns control and drive circuit, reduces the service life of elevator；In wet weather
Or operative employee's improper use, it is also easy to cause the generation of electric shock accidents, causes than larger security incident, therefore elevator
Stepless control drive system turns into elevator and manufactures field major issue urgently to be resolved hurrily.
Although in the market has some variable speed products, occupied with stepless speed changing with hydraulic transmission and gear drive variable speed
It is many, or other field some Variable Speed Technologies, but elevator manufacture field, with some different uses
Condition, the variable speed control drive system with other field has certain difference, can be realized on elevator
Stepless speed regulation, then the market price costly, therefore may meet the variable speed control drive that elevator manufactures field
Dynamic system can constructively meet current demand.
The content of the invention：
The problem of being run into terms of in order to overcome above-mentioned lifting machine stepless speed regulation, the invention provides a kind of stepless speed regulation lifting
Machine controls drive system, a kind of stepless speed control elevator control drive system include sensor circuit, scaling circuit,
Safety logic circuit, control interface, power circuit, signal isolation control circuit, servo-controlled motor deceleration system, rope sheave
And hanger system, lifting position-limit system, descending spacing system, looseness of steel wire ropes caging system, the power circuit connects respectively
Sensor circuit, scaling circuit, safety logic circuit, control interface, the sensor circuit connection are scaling
Circuit, the scaling circuit connects safety logic circuit, and the safety logic circuit connects control interface, the control
Interface circuit processed connects the signal isolation control circuit, and the signal isolation control circuit connects the SERVO CONTROL electricity respectively
Machine deceleration system, lifting position-limit system, descending spacing system and looseness of steel wire ropes caging system, the servo-controlled motor slow down
System connects the rope sheave and hanger system.
It should be mentioned that manufacturing field, a kind of stepless speed control elevator control of the present invention in elevator
Drive system, especially, is applicable the hoister control driving field, is different from the general domain known to other public.
The servo-controlled motor deceleration system, rope sheave and hanger system are a kind of stepless speed control elevators of the present invention
Drive system performs device is controlled, the servo-controlled motor deceleration system includes motor, decelerator, synchromesh gear group, volume
Cylinder, the motor connects the decelerator, and the decelerator connects the synchromesh gear group, and the synchromesh gear group connects institute
Reel is stated, the reel connects rope sheave and hanger system, and the rope sheave and hanger system are arranged on SERVO CONTROL electricity
In the gravity vertical of machine deceleration system so that load-bearing center line on same vertical curve, meets with the rope sheave and hanger system
Center of gravity drives principle, reduces vibrations and tilting moment influence of the performs device in increasing productivity.
The sensor circuit is made up of two groups of inductors and two groups of signal generators, and the inductor includes inductor one
And inductor two, the signal generator include signal generator one and signal generator two, the main induced signal of inductor one
Generator one sends different signal intensities, and the main induced signal generator two of inductor two sends different signal intensities, nothing
By being inductor one or inductor two, 2 road electric quantity signals are exported, it is emphasized that manufacturing field, institute in elevator
State in 2 road electric quantity signals, 1 tunnel is elevator displacement high low signal, 1 tunnel is elevator moving direction signal, including rise
Or decline, further, 3.5~6.5V of the inductor input voltage, institute preferably input voltage 5V, output voltage signal with
Signal generator signal intensity linear change between 0.8V~2.5V~4.25V, in signal generator signal intensity opposite direction
When maximum, inductor output voltage 0.8V, when signal generator signal intensity is 0, inductor output voltage 2.5V, in signal
When generator signal intensity positive direction is maximum, inductor output voltage 4.25V, heretofore described inductor output voltage is
2.5V~4.25V.
The scaling circuit is made up of potentiometer, integrated circuit and resistance, and the scaling circuit is inputted to 2 tunnels
Voltage is carried out after plus and minus calculation, ratio playback, amplifier zeroing, enhanced processing for 2.5V~4.25V signal, will export 0~5V
2 road output voltages, the preferred LM324 of integrated circuit.
The safety logic circuit is made up of integrated circuit 1, integrated circuit 2 and integrated circuit 3,2 potentiometers.To ensure
Output safety, the safety logic circuit reserves an interface P3, and all signal outputs, the security logic are forbidden for blocking
Circuit can carry out logical operation to signal, if the sensor circuit has signal output, or output by two groups of inductors
The error signal of very little, the safety logic circuit can forbid output.
Described 1 integrated 4 voltage comparator of integrated circuit, with potentiometer R3, R53 setting ratio compared with voltage threshold, only
When input signal V1, V2 is more than comparison voltage threshold value, voltage comparator output OUT1, OUT2 signal is high level, is compared
0~0.25V of voltage threshold adjusting range.
The integrated circuit 2 improves output load ability as voltage follower.
3 enclosed inside of integrated circuit, 4 independent analog switches, pass through 3 kinds of logical relations of calculation process, control 2
Individual data signal OUT1, OUT2 and 1 speed analog signalses A0 output state：If input OUT1, OUT2 signal is all
Low level, analog signal A0 is output as zero；When input signal OUT1 is high level, analog signal A0 outputs are equal to V1, work as input
Signal OUT2 is high level, and analog signal A0 outputs are equal to V2, if 2 signals OUT1, OUT2 input for high level,
OUT1, OUT2 forbid output simultaneously.
The control interface is made up of electrical connector, exports the rising signals that the safety logic circuit is produced
OUT1, dropping signal OUT2 and rate signal A0.
The power circuit is made up of special chip 1 and reversion power supply changeover device, is the sensor circuit, scaling
Circuit, safety logic circuit provide positive and negative 5V working powers.7~the 40V of input voltage range of special chip 1, exports 5V, maximum defeated
Go out electric current 3A.Invert power supply changeover device, input voltage 5V, output -5V, output current 100mA.
The signal isolation control circuit mainly includes electronic component 1 and electronic component 2, and the control interface is defeated
The signal of submitting is converted into the recognizable signal of the servo-controlled motor deceleration system.
The servo-controlled motor deceleration system includes servo controller, servomotor, reductor.According to the negative of elevator
Loading amount and lifting speed, may be selected servo controller, servomotor and the reductor of different model.Due to of the present invention
Signal isolation control circuit signal conversion, can be used different brands servo controller, elevator manufacture field,
A kind of described stepless speed control elevator control drive system servo controller and servomotor of the present invention can utilize class
As drive device and similar driving servo control mechanism, be that can be replaced using frequency converter and variable-frequency motor with paying the utmost attention to
Change.
The rope sheave and hanger system include rope sheave, steel wire rope and suspension hook, and rope sheave forward and reverse rotation passes through Steel rope drive
Suspension hook is moved up and down, equipped with 2 caging systems above rope sheave：Lifting position-limit system and descending spacing system, when suspension hook rises,
Steel wire on rope sheave increases, and the steel wire that lifting position-limit system is sensed using contactless electromagnetic induction proximity switch on rope sheave increases
Many, generation increases signal, carries out signal conversion through signal isolation control circuit, is transported to the servo-controlled motor and slows down
System, forbids the servomotor to move；When suspension hook declines, the steel wire on rope sheave is reduced, and descending spacing system uses noncontact
Steel wire on formula electromagnetic induction proximity switch sensing rope sheave is reduced, and is produced and is reduced signal, is entered through signal isolation control circuit
Row signal is changed, and is transported to the servo-controlled motor deceleration system, forbids the servomotor to move.The looseness of steel wire ropes
Caging system is used to detect steel wire rope tension, when suspension hook landing or other reasons, causes looseness of steel wire ropes, the looseness of steel wire ropes
Caging system is acted, and is carried out signal conversion through signal isolation control circuit, is transported to the servo-controlled motor reduction train
System, forbids the servomotor to move, prevents steel wire rope from coming off.
The beneficial effects of the invention are as follows by controlling drive system the invention provides a kind of stepless speed control elevator, with very
Small force operations stepless speed regulation handheld manipulator, it is possible to control lifting very heavy object, and speed with strength size
Do stepless speed regulation, the effect of Intelligent lifting can be accomplished, overcome contact contact switch be easily damaged by mechanical shock and
The instant contact of voltage or disconnection cause electric shock spark, easily burn the phenomenon of control and drive circuit, improve elevator
Service life.
Brief description of the drawings：
Fig. 1 is a kind of stepless speed control elevator control drive system instruction schematic diagram of the present invention；
Fig. 2 is the sensor construction and instruction figure that a kind of stepless speed control elevator of the present invention controls drive system；
Fig. 3 is a kind of sensor circuit, scaling of stepless speed control elevator control drive system of the present invention
Circuit, safety logic circuit, control interface, the circuit diagram of power circuit；
Fig. 4 is a kind of signal isolation control circuit of stepless speed control elevator control drive system of the present invention；
Fig. 5 is servo-controlled motor deceleration system, rope sheave and hanger system center of gravity drive installation schematic diagram；
Sensor circuit 1, scaling circuit 2, safety logic circuit 3, control interface 4, power circuit 5, signal
Isolation control circuit 6, servo-controlled motor deceleration system 7, rope sheave and hanger system 8, lifting position-limit system 9, descending spacing system
System 10, looseness of steel wire ropes caging system 11, inductor 1, inductor 2 114, signal generator 1, signal generator
2 112, motor 71, decelerator 72, synchromesh gear group 73, connector 74, reel 75；
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of stepless speed control elevator control drive system includes sensor circuit 1, scaling circuit 2, safety
Logic circuit 3, control interface 4, power circuit 5, signal isolation control circuit 6, servo-controlled motor deceleration system 7, rope
Wheel and hanger system 8, lifting position-limit system 9, descending spacing system 10, looseness of steel wire ropes caging system 11, the power circuit 5
Sensor circuit 1, scaling circuit 2, safety logic circuit 3, control interface 4, the sensor circuit 1 are connected respectively
Scaling circuit 2 is connected, the scaling circuit 2 connects safety logic circuit 3, the connection of safety logic circuit 3 control
Interface circuit 4 processed, the control interface 4 connects the signal isolation control circuit 6, and the signal isolation controls circuit 6
The servo-controlled motor deceleration system 7, lifting position-limit system 9, descending spacing system 10 and looseness of steel wire ropes limit are connected respectively
Position system 11, the servo-controlled motor deceleration system 7 connects the rope sheave and hanger system 8.
With reference to Fig. 1, power circuit 5 be the sensor circuit 1, scaling circuit 2, safety logic circuit 3, control connect
On mouth circuit 4 after electricity, after the voltage signal that sensor 1 is sent amplifies through scaling circuit, peace transfers to the security logic electricity
Road 3 can carry out logical operation to signal, and last signal is exported through the control interface 4, and then signal is through described
Signal isolation control circuit 6 carries out being converted to the signal that the servo-controlled motor deceleration system 7 is recognized, the SERVO CONTROL
The signal that decelerating through motor system 7 sends response controls the rope sheave and the raising of hanger system 8 or landing load, if loading
Rise and be raised to restraining position, drop to restraining position or some reasons occur and cause looseness of steel wire ropes phenomenon, the lifting position-limit
System 9, descending spacing system 10 and looseness of steel wire ropes caging system 11 send signal, enter through signal isolation control circuit 6
Row signal is changed, and is transported to the servo-controlled motor deceleration system 7, forbids the servomotor to move, so as to complete this hair
A kind of bright stepless speed control elevator controls the instruction flow of drive system.
Example 1：
First, upward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is up moved
1-15mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, suspension hook is sling load and up integrally lifted with speed per minute 1-20 meters；
4th, continue up one hand and hold the variable speed elevator handheld manipulator taper knob so that taper knob is kept
Up move 1-15mm；
5th, suspension hook plays load with speed continuation per minute 1-20 meters up overall lifting, until the SERVO CONTROL
The servomotor stop motion of decelerating through motor system 7.
Example 2：
First, downward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is down moved
7-25mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, suspension hook is sling load and down integrally lifted with speed per minute 5-35 meters；
4th, continue downward one hand and hold the variable speed elevator handheld manipulator taper knob so that taper knob is kept
Down move 1-15mm；
Suspension hook plays load and continues down overall lifting with speed per minute 5-35 meters, until the servo-controlled motor
The servomotor stop motion of deceleration system 7.
Example 3：
First, downward one hand holds the variable speed elevator handheld manipulator taper knob so that taper knob is down moved
3-16mm；
2nd, the signal of a kind of stepless speed control elevator control drive system transmission response；
3rd, suspension hook is sling the load of 10 kilograms of weight and down integrally lifted with speed per minute 7-30 meters；
4th, in the case where ensureing the operating mode of machinery and personal safety, 10 kilograms of load is lifted so that looseness of steel wire ropes with external force；
5th, the servomotor stop motion of the servo-controlled motor deceleration system 7.
The general principle and principal character and advantages of the present invention of the present invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of stepless speed control elevator controls drive system, it is characterised in that the power circuit (5) connects sensor respectively
Circuit (1), scaling circuit (2), safety logic circuit (3), control interface (4), sensor circuit (1) connection
Scaling circuit (2), scaling circuit (2) the connection safety logic circuit (3), the safety logic circuit (3) is even
Control interface (4) is connect, the control interface (4) connects the signal isolation control circuit (6), the signal isolation
Control circuit (6) to connect the servo-controlled motor deceleration system (7), realize that the continuous output of variable speed induced signal refers to
Order.
2. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the rope
Wheel and hanger system (8) are arranged in the gravity vertical of the servo-controlled motor deceleration system (7) so that load-bearing center line and institute
Rope sheave and hanger system are stated on same vertical curve.
3. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the signal every
The servo-controlled motor deceleration system (7), lifting position-limit system (9), descending spacing system are connected respectively from control circuit (6)
(10 and looseness of steel wire ropes caging system (11).
4. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the sensor
Circuit (1) is made up of two groups of inductors and two groups of signal generators, exports 2 road electric quantity signals, and input voltage 3.5~6.5V is defeated
Go out voltage for 2.5V~4.25V.
5. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the ratio is put
Big circuit (2) input voltage is 2.5V~4.25V, exports 0~5V 2 road output voltages.
6. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the power supply electricity
Road (5) is made up of special chip 1 and reversion power supply changeover device, and the 7~40V of input voltage range of special chip 1 exports 5V, maximum
Output current 3A, inverts power supply changeover device, input voltage 5V, output -5V, output current 100mA.
7. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the safety is patrolled
Collect circuit (3) and leave an interface P3.
8. a kind of stepless speed control elevator control drive system according to claim 1, it is characterised in that the signal every
The signal for including transferring out the control interface (4) from control circuit (6) is converted into the servo-controlled motor deceleration
The electronic component 1 and electronic component 2 of system (7) discernible signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178191.XA CN107235434B (en) | 2016-03-28 | 2016-03-28 | Stepless speed regulation elevator control driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178191.XA CN107235434B (en) | 2016-03-28 | 2016-03-28 | Stepless speed regulation elevator control driving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107235434A true CN107235434A (en) | 2017-10-10 |
| CN107235434B CN107235434B (en) | 2023-01-20 |
Family
ID=59983627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178191.XA Active CN107235434B (en) | 2016-03-28 | 2016-03-28 | Stepless speed regulation elevator control driving system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202072408U (en) * | 2011-06-02 | 2011-12-14 | 杭州力泰起重机械有限公司 | Stepless regulation system for hoisting speed of crane |
| CN203451143U (en) * | 2013-07-11 | 2014-02-26 | 江苏威和重工有限公司 | Electric variable-frequency constant-tension mooring winch |
| CN103812402A (en) * | 2012-11-14 | 2014-05-21 | 中国科学院沈阳计算技术研究所有限公司 | Stepless speed regulation device for controlling direct-current motor for aviation industry |
| CN104828658A (en) * | 2015-03-31 | 2015-08-12 | 深圳市英威腾电气股份有限公司 | Control system for construction elevator |
| CN105384084A (en) * | 2015-12-28 | 2016-03-09 | 中科院成都信息技术股份有限公司 | Variable-frequency-speed-adjusting control system and method of tower-crane lifting mechanism |
-
2016
- 2016-03-28 CN CN201610178191.XA patent/CN107235434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202072408U (en) * | 2011-06-02 | 2011-12-14 | 杭州力泰起重机械有限公司 | Stepless regulation system for hoisting speed of crane |
| CN103812402A (en) * | 2012-11-14 | 2014-05-21 | 中国科学院沈阳计算技术研究所有限公司 | Stepless speed regulation device for controlling direct-current motor for aviation industry |
| CN203451143U (en) * | 2013-07-11 | 2014-02-26 | 江苏威和重工有限公司 | Electric variable-frequency constant-tension mooring winch |
| CN104828658A (en) * | 2015-03-31 | 2015-08-12 | 深圳市英威腾电气股份有限公司 | Control system for construction elevator |
| CN105384084A (en) * | 2015-12-28 | 2016-03-09 | 中科院成都信息技术股份有限公司 | Variable-frequency-speed-adjusting control system and method of tower-crane lifting mechanism |
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| Publication number | Publication date |
|---|---|
| CN107235434B (en) | 2023-01-20 |
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