CN101976992B - Soft start control system of construction lifter - Google Patents
Soft start control system of construction lifter Download PDFInfo
- Publication number
- CN101976992B CN101976992B CN2010102898942A CN201010289894A CN101976992B CN 101976992 B CN101976992 B CN 101976992B CN 2010102898942 A CN2010102898942 A CN 2010102898942A CN 201010289894 A CN201010289894 A CN 201010289894A CN 101976992 B CN101976992 B CN 101976992B
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- motor
- soft
- control system
- contactor
- operation output
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Abstract
The invention discloses a soft start control system of a construction lifter, comprising a soft starter which receives the order of a master device. The soft starter is connected with dummy load which is accessed in the earlier state of the starting of the soft starter and is disconnected after a motor is accessed; the soft starter is connected with an operation output delayer; the operation output delayer is connected with a contactor which controls the motor to carry out forward/reversal rotation; the contactor which controls the motor to carry out forward/reversal rotation is connected with the motor; the motor is provided with an electromagnetic brake coil; and the soft starter and a soft stop self holding circuit connected with the motor are connected. The control system has reasonable structure, has the function of soft start and soft stop, lowers starting current impact, prolongs the service life of the motor, increases riding comfort level, improves working efficiency and more importantly has high operation reliability, small maintenance workload, low cost and high cost performance.
Description
Technical field:
The present invention relates to a kind of building hoist start-up control system.
Background technology:
Existing building hoist is generally direct start-up control when starting, rush of current is big, and vibration is big, and motor is short useful life; And existing frequency-changing control system price is high, complex structure.
Summary of the invention:
The object of the present invention is to provide a kind of rational in infrastructure, have start soft, effectively reduce starting current impact, prolong the motor building hoist soft start control system in useful life.
Technical solution of the present invention is:
A kind of building hoist soft start control system is characterized in that: comprise receiving the main soft initiator that makes the device order, soft initiator is connected in the dummy load that the soft initiator startup inserts in earlier stage, motor inserts the back disconnection; Soft initiator is connected with operation output delayer, and operation output delayer is connected with the contactor of control motor positive and inverse, and the contactor of control motor positive and inverse is connected with motor, and motor is provided with the electromagnetic brake coil; Soft initiator connects with the soft holding circuit that stops that is connected with motor.
Soft initiator with the time the inoperable bypass output circuit of system is connected when having bypass output.
Soft initiator is connected with the fault output circuit that the protection normally-closed contact of control in the secondary circuit breaks off.
Electromagnetic brake coil electricity and electrical power are the interlock form.
The contactor of control motor positive and inverse is the interlocking form.
The present invention is rational in infrastructure, has soft start and soft stop function, has reduced the impact of starting current; Prolong the useful life of motor, increase the comfort level of taking, increase work efficiency; The more important thing is that operational reliability is high, maintenance workload is little, expense is low, cost performance is high.System can be provided with phase sequence and protect interlocking guarantor faulty indication, starts kinds of protect functions such as alarm bell, overload protection, overcurrent protection, spacing control.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is the configuration diagram of one embodiment of the invention.
Embodiment:
A kind of building hoist soft start control system comprises receiving the main soft initiator 2 that makes device 1 order that soft initiator is connected in the dummy load 3 that the soft initiator startup inserts in earlier stage, motor inserts the back disconnection; Soft initiator is connected with operation output delayer 4, and operation output delayer is connected with the contactor 6,7 of control motor 5 forward and backwards, and the contactor 6,7 of control motor forward and backward is connected with motor 5, and motor 5 is provided with electromagnetic brake coil 8; Soft initiator connects with the soft holding circuit 9 that stops that is connected with motor.Soft initiator with the time the inoperable bypass output circuit 10 of system is connected when having bypass output.Soft initiator is connected with the fault output circuit 11 that the protection normally-closed contact of control in the secondary circuit breaks off.Electromagnetic brake coil electricity and electrical power are the interlock form.The contactor of control motor positive and inverse is the interlocking form.
Operation principle of the present invention is:
1, when the master made device 1 provide rising or descends instruction, dummy load inserted, simultaneously to soft initiator 2 enabling signals; Soft initiator 2 operation outputs, delayer 4 picks up counting, when delayer arrives setting-up time; Motor inserts; Dummy load is simultaneously broken off, and solenoid energising band-type brake is opened, and building hoist rises or descends.
2, when main when making device provide halt instruction, soft initiator begins the soft output that stops, and motor keeps on-state through the soft self-keeping circuit of stopping, and soft when stopping finishing, soft initiator stops output, motor breaks off, and the locking of solenoid outage band-type brake is stopped.
3, when non-loaded or soft initiator faults itself, soft initiator fault output, the protection normally-closed contact that is connected on this moment in the secondary circuit breaks off, system's operation of can not switching on.
4, system protection has cage door, skylight, phase sequence, the limit, anti-falling safety device, overload protection etc., wherein any protective device action, and then system can not work; And malfunction indicator lamp is bright; Must cut off the power supply and find out failure cause, restart power supply then, could continue behind the starter that resets to use.
5, electromagnetic brake coil electricity and electrical power interlock, electromagnetic brake is not opened when guaranteeing that motor is not switched on.The contactor interlocking of control motor positive and inverse prevents that two contactors from inserting simultaneously, improves fail safe.
When 6, soft initiator starts; Output voltage rises to rated voltage gradually by zero, owing to start the brownout in early stage, motor torque is not enough; Motor inserts must skip this time period; And the soft initiator operation can not be unloaded, so insert dummy load early stage in the starter startup, treats to break off dummy load again after motor inserts.
Claims (4)
1. a building hoist soft start control system is characterized in that: comprise receiving the soft initiator that the master makes the device order that soft initiator is connected in the soft initiator startup and inserts in earlier stage, the dummy load of motor access back disconnection; Soft initiator is connected with operation output delayer, and when soft initiator operation output, operation output delayer picks up counting, and when operation output delayer arrived setting-up time, motor inserted; Operation output delayer is connected with the contactor of control motor positive and inverse, and the contactor of control motor positive and inverse is connected with motor, and motor is provided with the electromagnetic brake coil; Soft initiator connects with the soft holding circuit that stops that is connected with motor.
2. building hoist soft start control system according to claim 1 is characterized in that: soft initiator is connected with the fault output circuit that the protection normally-closed contact of control in the secondary circuit breaks off.
3. building hoist soft start control system according to claim 1, it is characterized in that: electromagnetic brake coil electricity and electrical power are the interlock form.
4. building hoist soft start control system according to claim 1 is characterized in that: the contactor of control motor positive and inverse is the interlocking form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102898942A CN101976992B (en) | 2010-09-15 | 2010-09-15 | Soft start control system of construction lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102898942A CN101976992B (en) | 2010-09-15 | 2010-09-15 | Soft start control system of construction lifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101976992A CN101976992A (en) | 2011-02-16 |
| CN101976992B true CN101976992B (en) | 2012-05-16 |
Family
ID=43576847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102898942A Expired - Fee Related CN101976992B (en) | 2010-09-15 | 2010-09-15 | Soft start control system of construction lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101976992B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500024B (en) * | 2014-12-11 | 2017-03-15 | 宝鸡石油机械有限责任公司 | A kind of device and method for only realizing direct current rig tourist bus soft stop |
| DE102016214419A1 (en) * | 2016-08-04 | 2018-02-08 | Siemens Aktiengesellschaft | Soft starter, operating method and switching system |
| DE102017208648A1 (en) * | 2017-05-22 | 2018-11-22 | Siemens Aktiengesellschaft | Diagnostic soft starter, diagnostic procedure and motor arrangement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168590A1 (en) * | 2000-06-28 | 2002-01-02 | Siemens Energy & Automation, Inc. | Automatic sensing of bypassing of soft starter or controller |
| CN2612148Y (en) * | 2003-03-26 | 2004-04-14 | 深圳市贝顿科技有限公司 | Soft starting protector of dynamo |
| CN2670315Y (en) * | 2003-11-03 | 2005-01-12 | 南昌久创电气有限公司 | Flexible start positioning self-controller for building lifter |
| EP2009973A2 (en) * | 2007-06-29 | 2008-12-31 | Andreas Siemes | Device for controlling a soft start or stop for AC motors, so-called soft starters |
| CN201369698Y (en) * | 2009-03-16 | 2009-12-23 | 西安启功电气有限公司 | Motor soft starter with intelligent by-pass control function |
| CN201797472U (en) * | 2010-09-15 | 2011-04-13 | 江苏三上机电制造股份有限公司 | Soft-start control system of building hoist |
-
2010
- 2010-09-15 CN CN2010102898942A patent/CN101976992B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168590A1 (en) * | 2000-06-28 | 2002-01-02 | Siemens Energy & Automation, Inc. | Automatic sensing of bypassing of soft starter or controller |
| CN2612148Y (en) * | 2003-03-26 | 2004-04-14 | 深圳市贝顿科技有限公司 | Soft starting protector of dynamo |
| CN2670315Y (en) * | 2003-11-03 | 2005-01-12 | 南昌久创电气有限公司 | Flexible start positioning self-controller for building lifter |
| EP2009973A2 (en) * | 2007-06-29 | 2008-12-31 | Andreas Siemes | Device for controlling a soft start or stop for AC motors, so-called soft starters |
| CN201369698Y (en) * | 2009-03-16 | 2009-12-23 | 西安启功电气有限公司 | Motor soft starter with intelligent by-pass control function |
| CN201797472U (en) * | 2010-09-15 | 2011-04-13 | 江苏三上机电制造股份有限公司 | Soft-start control system of building hoist |
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| Publication number | Publication date |
|---|---|
| CN101976992A (en) | 2011-02-16 |
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