CN104176568A - Lifter start-stop control system - Google Patents
Lifter start-stop control system Download PDFInfo
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- CN104176568A CN104176568A CN201410424283.2A CN201410424283A CN104176568A CN 104176568 A CN104176568 A CN 104176568A CN 201410424283 A CN201410424283 A CN 201410424283A CN 104176568 A CN104176568 A CN 104176568A
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Abstract
The invention provides a lifter start-stop control system comprising a power supply unit, a command control unit, a main control unit, an overloading soft start-stop control unit, an electromagnetic braking unit and a lifting drive unit. The command control unit is connected with the main control unit and used for generating a control command according to operation of a user and sending the control command to the main control unit; the main control unit is connected with the overloading soft start-stop control unit and used for sending the received control command to the overloading soft start-stop control unit; the overloading soft start-stop control unit is connected with the lifting drive unit, and is used for performing soft start-stop type power output to the lifting drive unit according to the control command, sending a braking command to the main control unit during soft start type power output and sending the braking command to the main control unit after soft stop type power output; the main control unit is further used for sending the braking command to the electromagnetic braking unit; the electromagnetic braking unit is connected with the main control unit and used for acting according to the braking command.
Description
Technical field
The present invention relates to building hoist field, especially relate to elevator start-stop control system.
Background technology
Building hoist be a kind of in construction project widely used vertical lifting equipment.Existing building hoist adopts the method directly starting to control conventionally.
And the method that available technology adopting directly starts, when starting, rush of current is larger, and moment torque is not enough, thereby causes the cage of elevator to glide moment, affect electrical machinery life, in addition, when stopping, when electrical motor and construction elevator cage also move at inertia, magnet stopper is just closed immediately, therefore vibrations are larger, can impact steel structure, even damage steel structure when serious.
Summary of the invention
Technical matters to be solved by this invention is that in prior art, elevator glides suddenly in start and stop moment meeting, and vibrations are large.
For solving the problems of the technologies described above, the invention provides elevator start-stop control system, comprise power supply unit, instruction control unit, main control unit, heavily loaded soft on off control unit, electromagnetic braking unit and lifting driver element;
Power supply unit respectively and instruction control unit, electromagnetic braking unit is connected with heavily loaded soft on off control unit, for electric energy is provided;
Instruction control unit is connected with main control unit, for generating control command according to user's operation, and control command is sent to main control unit;
Main control unit is connected with the soft on off control of heavy duty unit, for receiving described control command, sends to heavily loaded soft on off control unit;
The soft on off control of heavy duty unit is connected with lifting driver element, for carrying out soft start or the output of soft stopping type power according to described control command to lifting driver element, and, in the output of soft start formula power, send braking instruction to main control unit, after soft stopping type power end of output, send braking instruction to main control unit, main control unit is also for sending to electromagnetic braking unit by described braking instruction;
Electromagnetic braking unit is connected with main control unit, for moving according to described braking instruction, thereby the cage of elevator is controlled;
Lifting driver element is used for driving elevator.
Further, described control command comprises enabled instruction and halt instruction.
Further, when control command is described enabled instruction, under the soft start formula power output action of the soft on off control of heavy duty unit, lifting driver element experience start-up course from slow to fast.
Further, when control command is described halt instruction, under the soft stopping type power output action of the soft on off control of heavy duty unit, lifting driver element experience stopped process from fast to slow.
Further, also comprise safe spacing unit, safe spacing unit respectively and instruction control unit is connected with main control unit, for the inhibiting device of elevator and fender guard are detected, obtain limit signal and safe condition signal, and, limit signal is sent to instruction control unit, safe condition signal is sent to main control unit;
Wherein, described instruction control unit is for generating described control command according to user's operation and described limit signal, described main control unit is for when safe condition signal shows status safety, the described control command receiving is sent to heavily loaded soft on off control unit, otherwise, described control command can not sent to heavily loaded soft on off control unit.
Further, also comprise load limit unit, load limit unit is connected with main control unit, for the load of the cage of elevator is detected in real time, and testing result is sent to main control unit;
Wherein, described main control unit is also for testing result being sent to heavily loaded soft on off control unit, and the soft on off control of described heavy duty unit is also for controlling the power of output according to described testing result.
Further, lifting driver element comprises drive motor.
The invention has the beneficial effects as follows: by the soft on off control of heavy duty unit, only carry out soft start and soft stop, and, in the output of soft start formula power, send braking instruction to electromagnetic braking unit, heavy current impact while having avoided starting, make elevator start-up course smoothly stable, after soft stopping type power end of output, send braking instruction to electromagnetic braking unit, the impact that while having avoided stopping, the unexpected locking of magnet stopper produces, vibrations have been reduced, actv. has solved the downslide of elevator start and stop moment existence and the technical matters of vibrations, make the elevator can pulsation-free start and stop.
Accompanying drawing explanation
Fig. 1 is the structural representation of elevator start-stop control system of the present invention;
Fig. 2 is the structural representation of the elevator start-stop control system of the preferred embodiment for the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the application's technical scheme is described in detail.
The application provides elevator start-stop control system, comprises power supply unit, instruction control unit, main control unit, heavily loaded soft on off control unit, electromagnetic braking unit and lifting driver element; Power supply unit respectively and instruction control unit, electromagnetic braking unit is connected with heavily loaded soft on off control unit, for electric energy is provided; Instruction control unit is connected with main control unit, for generating control command according to user's operation, and control command is sent to main control unit; Main control unit is connected with the soft on off control of heavy duty unit, for receiving described control command, sends to heavily loaded soft on off control unit; The soft on off control of heavy duty unit is connected with lifting driver element, for carrying out soft start or the output of soft stopping type power according to described control command to lifting driver element, and, in the output of soft start formula power, send braking instruction to main control unit, after soft stopping type power end of output, send braking instruction to main control unit, main control unit is also for sending to electromagnetic braking unit by described braking instruction; Electromagnetic braking unit is connected with main control unit, for moving according to described braking instruction, thereby the cage of elevator is controlled; Lifting driver element is used for driving elevator.
By the soft on off control of heavy duty unit, only carry out soft start and soft stop, and, in the output of soft start formula power, send braking instruction to electromagnetic braking unit, heavy current impact while having avoided starting, make elevator start-up course smoothly stable, after soft stopping type power end of output, send braking instruction to electromagnetic braking unit, the impact that while having avoided stopping, the unexpected locking of magnet stopper produces, vibrations have been reduced, actv. has solved downslide that elevator start and stop moments exists and the technical matters of vibrations, makes the elevator can pulsation-free start and stop.
As shown in Figure 1, in this application, elevator start-stop control system, can control elevator and carry out pulsation-free start and stop, comprises power supply unit 101, instruction control unit 102, main control unit 103, heavily loaded soft on off control unit 104, electromagnetic braking unit 105 and lifting driver element 106.Wherein, power supply unit 101 respectively and instruction control unit 102, electromagnetic braking unit 105 is connected with heavily loaded soft on off control unit 104, main control unit 103 respectively and instruction control unit 102, electromagnetic braking unit 105 is connected with heavily loaded soft on off control unit 104, and lifting driver element 106 is connected with the soft on off control of heavy duty unit 104.
In this application, power supply unit 101 can provide different voltage for instruction control unit 102, electromagnetic braking unit 105 and heavily loaded soft on off control unit 104.Concrete, power supply unit 101 provides 48V alternating current for instruction control unit 102, for electromagnetic braking unit 105 provides 192V direct current (DC), for the soft on off control of heavy duty unit 104 provides 380V alternating current.
In this application, instruction control unit 102 is specially instruction control unit, and user can carry out different operations to instruction control unit, and according to user's operation, instruction control unit can generate corresponding control command.Wherein, control command comprises enabled instruction and halt instruction, and enabled instruction is climb command and decline instruction and for example.When instruction control unit 102 generates after control command, control command is sent to main control unit 103.Main control unit 103 comprises process chip, and it can, after receiving control command, send to heavily loaded soft on off control unit 104 by control command.
In this application, heavily loaded soft on off control unit 104 is specially heavily loaded soft on off controller, and it can, when elevator starts and stops, providing stable power supply to export to lifting driver element 106.Lifting driver element 106 is for driving elevator, and it comprises drive motor, and elevator, under the drive of drive motor, rises, declines or stop.After the control command receiving from main control unit 103 when the soft on off control of heavy duty unit 104, heavily loaded soft on off control unit 104 carries out soft start or the output of soft stopping type power to lifting driver element 106.
Concrete, when control command is enabled instruction, as climb command or decline instruction, the soft on off control of heavy duty unit 104 carries out the output of soft start formula power to lifting driver element 106, make the drive motor in lifting driver element 106 experience start-up course from slow to fast, and then, under the drive of drive motor, elevator rising or decline from slow to fast, finally moves to command speed.
Concrete, when control command is halt instruction, the soft on off control of heavy duty unit 104 carries out soft stopping type power output to lifting driver element 106, make the drive motor in lifting driver element 106 experience stopped process from fast to slow, and then, under the drive of drive motor, elevator stopping from fast to slow.Preferably, a default timing time, then drive motor is stopped in described timing time, thus elevator also stops in Preset Time section.
Simultaneously, the soft on off control of heavy duty unit 104 sends braking instruction to main control unit 103 in the output of soft start formula power, after soft stopping type power end of output, send braking instruction to main control unit 103, concrete, according to the difference of control command, send different braking instructions to main control unit 103.Concrete, when control command is enabled instruction, the braking instruction of transmission is for braking OPEN, and when control command is halt instruction, the braking instruction of transmission is braking out code.
In this application, main control unit 103 is also for sending to electromagnetic braking unit 105 by braking OPEN or braking out code, and electromagnetic braking unit 105 is after receiving braking instruction, the action opening or closing according to braking instruction, thus the cage of elevator is controlled.For example, the instruction receiving when electromagnetic braking unit 105 is braking OPEN, and braking is opened, and the instruction receiving when electromagnetic braking unit 105 is braking out code, and braking is closed, thereby makes the cage locking of elevator.Concrete, electromagnetic braking unit 105 is magnet stopper.
By the soft on off control of heavy duty unit 104, only carry out soft start and soft stop, and, in the output of soft start formula power, send braking instruction to electromagnetic braking unit 105, heavy current impact while having avoided starting, make elevator start-up course smoothly stable, after soft stopping type power end of output, send braking instruction to electromagnetic braking unit 105, the impact that while having avoided stopping, the unexpected locking of magnet stopper produces, vibrations have been reduced, actv. has solved the downslide of elevator start and stop moment existence and the technical matters of vibrations, elevator can be started and stop by pulsation-free.
As shown in Figure 2; in this application; elevator start-stop control system also comprises safe spacing unit 107; safe spacing unit 107 respectively and instruction control unit 102 is connected with main control unit 103, for the inhibiting device of elevator and fender guard are detected, thereby; obtain limit signal and safe condition signal; and, limit signal is sent to instruction control unit 102, safe condition signal is sent to main control unit 103.Concrete, elevator comprises the inhibiting device such as rise/fall terminal, comprises that again disconnected rope, anti-falling safety device, bad break equate fender guard.
Further, instruction control unit 102 is also for generating control command according to user's operation and limit signal.For example, the limit signal receiving when instruction control unit 102 shows that elevator has arrived constrained position, and during as rising terminal or decline terminal, the control command that instruction control unit 102 generates is halt instruction.Further, main control unit 103, also for when safe condition signal shows status safety, sends to heavily loaded soft on off control unit 104 by the control command receiving, otherwise, control command can not sent to heavily loaded soft on off control unit 104.The application can guarantee the safe operation of elevator by safe spacing unit.
As shown in Figure 2, in this application, elevator start-stop control system also comprises load limit unit 108, and load limit unit 108 is connected with main control unit 103, for the load of the cage of elevator is detected in real time, and testing result is sent to main control unit 103.Concrete, load limit unit 108 is load limiter, it is arranged on the cage of elevator.
Further, main control unit 103 is also for testing result being sent to heavily loaded soft on off control unit 104, and heavily loaded soft on off control unit 104 is also for controlling the power of output according to described testing result.Concrete, according to the difference of testing result, the maximum output speed of heavily loaded soft on off control unit 104 is different, and then the running velocity of elevator is also different, and actv. prevents shake, noise and the safety hazard of elevator too fast generation of running velocity when heavy duty.Preferably, main control unit 103 is also for testing result is judged, when testing result shows that load does not surpass rated load, main control unit 103 just can send to control command heavily loaded soft start and stop unit 104.Further guaranteed the safe operation of elevator.
Below in conjunction with concrete use procedure, the application's elevator start-stop control system is described in detail:
Inhibiting device and the fender guard of the 107 pairs of elevators in safe spacing unit detect; and the limit signal of acquisition is sent to instruction control unit 102; the safe condition signal of acquisition is sent to main control unit 103, and load limit unit 108 sends to heavily loaded soft on off control unit 104 using the load of the elevator craning cage detecting as testing result through main control unit 103.
Instruction control unit 102 generates control command according to user's operation and limit signal, for example, the rising that is operating as user, and when limit signal shows that elevator does not arrive spacing terminal, generate enabled instruction, be specially climb command, and work as user's the rising that is operating as, and when limit signal shows that elevator arrives spacing terminal, generate halt instruction.
Main control unit 103, when testing result shows that load surpasses rated load and safe condition signal and shows status safety, sends to heavily loaded soft on off control unit 104 by the control command receiving.
When control command is rising or decline instruction, the soft on off control of heavy duty unit 104 is carried out and is risen or decline instruction, to lifting driver element 106, carry out the output of soft start formula power, and in conjunction with the testing result of load limit unit 108, the power of output is controlled, simultaneously, send braking OPEN to main control unit, main control unit 103 sends to electromagnetic braking unit 105 by braking OPEN again, braking is opened, make elevator experience process from slow to fast under the power output of the soft start and stop of heavy duty unit 104, finally move to command speed.
When control command is halt instruction, halt instruction is carried out in the soft start and stop of heavy duty unit 104, to lifting driver element 106, carry out soft stopping type power output, and in conjunction with the testing result of load limit unit 108, the power of output is controlled, make elevator experience process from fast to slow under the power output of the soft start and stop of heavy duty unit 104, finally stop, and after end of output, send braking halt instruction to main control unit, main control unit 103 sends to electromagnetic braking unit 105 by braking out code again, braking is closed, and makes the cage locking of elevator.
Claims (7)
1. elevator start-stop control system, is characterized in that, comprises power supply unit, instruction control unit, main control unit, heavily loaded soft on off control unit, electromagnetic braking unit and lifting driver element;
Power supply unit respectively and instruction control unit, electromagnetic braking unit is connected with heavily loaded soft on off control unit, for electric energy is provided;
Instruction control unit is connected with main control unit, for generating control command according to user's operation, and control command is sent to main control unit;
Main control unit is connected with the soft on off control of heavy duty unit, for receiving described control command, sends to heavily loaded soft on off control unit;
The soft on off control of heavy duty unit is connected with lifting driver element, for carrying out soft start or the output of soft stopping type power according to described control command to lifting driver element, and, in the output of soft start formula power, send braking instruction to main control unit, after soft stopping type power end of output, send braking instruction to main control unit, main control unit is also for sending to electromagnetic braking unit by described braking instruction;
Electromagnetic braking unit is connected with main control unit, for moving according to described braking instruction, thereby the cage of elevator is controlled;
Lifting driver element is used for driving elevator.
2. elevator start-stop control system as claimed in claim 1, is characterized in that, described control command comprises enabled instruction and halt instruction.
3. elevator start-stop control system as claimed in claim 2, is characterized in that, when control command is described enabled instruction, and under the soft start formula power output action of the soft on off control of heavy duty unit, lifting driver element experience start-up course from slow to fast.
4. elevator start-stop control system as claimed in claim 3, is characterized in that, when control command is described halt instruction, and under the soft stopping type power output action of the soft on off control of heavy duty unit, lifting driver element experience stopped process from fast to slow.
5. elevator start-stop control system as claimed in claim 1, it is characterized in that, also comprise safe spacing unit, safe spacing unit respectively and instruction control unit is connected with main control unit, for the inhibiting device of elevator and fender guard are detected, obtain limit signal and safe condition signal, and, limit signal is sent to instruction control unit, safe condition signal is sent to main control unit;
Wherein, described instruction control unit is for generating described control command according to user's operation and described limit signal, described main control unit is for when safe condition signal shows status safety, the described control command receiving is sent to heavily loaded soft on off control unit, otherwise, described control command can not sent to heavily loaded soft on off control unit.
6. elevator start-stop control system as claimed in claim 1, it is characterized in that, also comprise load limit unit, load limit unit is connected with main control unit, for the load of the cage of elevator is detected in real time, and testing result is sent to main control unit;
Wherein, described main control unit is also for testing result being sent to heavily loaded soft on off control unit, and the soft on off control of described heavy duty unit is also for controlling the power of output according to described testing result.
7. elevator start-stop control system as claimed in claim 1, is characterized in that, lifting driver element comprises drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424283.2A CN104176568A (en) | 2014-08-26 | 2014-08-26 | Lifter start-stop control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424283.2A CN104176568A (en) | 2014-08-26 | 2014-08-26 | Lifter start-stop control system |
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| CN104176568A true CN104176568A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410424283.2A Pending CN104176568A (en) | 2014-08-26 | 2014-08-26 | Lifter start-stop control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109328175A (en) * | 2016-06-30 | 2019-02-12 | 三菱电机株式会社 | The control device of elevator |
| CN109849052A (en) * | 2018-12-20 | 2019-06-07 | 江苏集萃智能制造技术研究所有限公司 | A kind of submissive closing method of joint of robot |
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| CN202575592U (en) * | 2012-04-28 | 2012-12-05 | 山东大汉建设机械有限公司 | Circuit control system for construction hoist |
| CN202643029U (en) * | 2012-06-21 | 2013-01-02 | 湖南中楚工程机械有限公司 | Intelligent control system of building construction elevator |
| CN103523618A (en) * | 2013-10-23 | 2014-01-22 | 山东科能电气设备有限公司 | Elevator variable frequency control system |
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2014
- 2014-08-26 CN CN201410424283.2A patent/CN104176568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201362531Y (en) * | 2009-03-16 | 2009-12-16 | 湖北江汉建筑工程机械有限公司 | Intelligent lifter control device |
| CN202575592U (en) * | 2012-04-28 | 2012-12-05 | 山东大汉建设机械有限公司 | Circuit control system for construction hoist |
| CN202643029U (en) * | 2012-06-21 | 2013-01-02 | 湖南中楚工程机械有限公司 | Intelligent control system of building construction elevator |
| CN103523618A (en) * | 2013-10-23 | 2014-01-22 | 山东科能电气设备有限公司 | Elevator variable frequency control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109328175A (en) * | 2016-06-30 | 2019-02-12 | 三菱电机株式会社 | The control device of elevator |
| CN109328175B (en) * | 2016-06-30 | 2021-01-05 | 三菱电机株式会社 | Control device for elevator |
| CN109849052A (en) * | 2018-12-20 | 2019-06-07 | 江苏集萃智能制造技术研究所有限公司 | A kind of submissive closing method of joint of robot |
| CN109849052B (en) * | 2018-12-20 | 2021-11-02 | 江苏集萃智能制造技术研究所有限公司 | Robot joint flexible shutdown method |
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Application publication date: 20141203 |
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