CN204168196U - The drive unit of elevator door-motor control system without position sensor - Google Patents
The drive unit of elevator door-motor control system without position sensor Download PDFInfo
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- CN204168196U CN204168196U CN201420659746.9U CN201420659746U CN204168196U CN 204168196 U CN204168196 U CN 204168196U CN 201420659746 U CN201420659746 U CN 201420659746U CN 204168196 U CN204168196 U CN 204168196U
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- elevator door
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Abstract
The utility model proposes a kind of drive unit of elevator door-motor control system without position sensor, comprise mechanical device and the servo-driver of elevator door-motor transmission operation, the mechanical device that elevator door-motor transmission runs comprises permagnetic synchronous motor, driving wheel, synchronous belt, driven pulley, car door, door machine crossbeam, assembly pulley and guide rail; Door machine crossbeam is fixed on car, permagnetic synchronous motor, driven pulley, assembly pulley and guide rail are fixed on the door machine crossbeam of relevant position, driving wheel is fixed in permanent-magnetic synchronous motor rotor rotating shaft, synchronous belt is nested between driving wheel and driven pulley, left and right door leaf is connected on synchronous belt by contiguous block, and left and right door leaf is linked on guide rail by assembly pulley and runs; Servo driver drives elevator door-motor runs.The vector control that the utility model have employed encoderless drives, and reduces system cost, reduces the complexity of system hardware circuit, enhance antijamming capability and the application scenario of system.
Description
Technical field
The utility model belongs to motor control technology field, particularly relates to a kind of drive unit of elevator door-motor control system without position sensor.
Background technology
Along with the fast development of China's economy, the rapid emergence of real estate, elevator, as the important vehicles of building, is applied more and more extensive.And door machine control system is constantly increasing as the part demand thereupon of elevator whole system and is improving.Present door machine control system major part is all the vector control mode adopting position sensor, armature spindle is installed mechanical sensor also brings some row while obtaining motor rotor position and speed problems to drive system: add the moment of inertia of motor, be that the bulk of motor becomes large, makes transducer with the line controlling be and interface circuit complexity and be subject to interference reliability low, because the existence of mechanical sensor and auxiliary circuit thereof has made system cost increase.Therefore there is the application of limiting motor control system in adverse circumstances in mechanical position sensor, hinders motor to application that is miniaturized, high speed, the micro-machine application particularly in door machine control system.Therefore the manufacturing cost adopting door machine control system without position sensor scheme can make to reduce in Elevator Door Control System motor to take up room, strengthen system rejection to disturbance, reduce whole door machine control device is the control program of the potentiality having very much development.
In addition, motor directly drive problem, the synchronous variable-speed performance that we utilize permagnetic synchronous motor excellent, is connected directly between rotor axis of electric with main drive wheel, utilize synchronous belt, driven pulley drive door leaf carry out switch.Eliminate conventional asynchronous electromechanics gear reduction mechanism, system cost is also reduced.
Summary of the invention
Goal of the invention
For the above-mentioned problems in the prior art, the utility model provides the drive unit of elevator door-motor (PMSM) control system without position sensor, the Direct driver achieved without photoelectric encoder and permagnetic synchronous motor controls, and reaches and reduces failure rate and the simple object of mechanical structure.
Technical scheme
A kind of drive unit of elevator door-motor control system without position sensor, comprise mechanical device and the servo-driver of elevator door-motor transmission operation, it is characterized in that: the mechanical device that elevator door-motor transmission runs comprises permagnetic synchronous motor, driving wheel, synchronous belt, driven pulley, contiguous block, left and right car door, door machine crossbeam, assembly pulley and guide rail; Door machine crossbeam is fixed on car, permagnetic synchronous motor, driven pulley, assembly pulley and guide rail are fixed on the door machine crossbeam of relevant position, driving wheel is fixed in permanent-magnetic synchronous motor rotor rotating shaft, synchronous belt is nested between driving wheel and driven pulley, left and right door leaf is connected on synchronous belt by contiguous block, and left and right door leaf is linked on guide rail by assembly pulley and runs; Servo driver drives elevator door-motor runs.
The servo-driver of described permagnetic synchronous motor comprises current rectifying and wave filtering circuit, IPM main circuit, current sampling circuit, voltage sampling circuit, IPM driving isolation circuit, DSP exterior storage expanded circuit, parameter display circuit, DSP outside input circuit; Single phase alternating current power supply is through the input of current rectifying and wave filtering circuit two output interfaces as inverter IPM and voltage detecting circuit, U, V, W end that inverter exports is connected with permagnetic synchronous motor, V, W end to be connected with two current Hall transducers and to carry out current sample, wherein the control terminal of inverter IPM is connected with dsp processor 2812 by peripheral driving isolation circuit, parameter display circuit is also connected with dsp processor 2812, and the output of voltage sampling circuit, current sampling circuit, switch input circuit is connected with dsp processor 2812.
Advantage and effect
The utility model is a kind of drive unit of elevator door-motor control system without position sensor, has the following advantages:
Elevator door-motor (PMSM) adopts vector control without position sensor system, reduce the volume of motor, reduce system cost, it is the anti-interference increase of system, another motor has traditional asynchronous machine to be changed to asynchronous machine, has the mechanical device of band reduction gearing mechanism, becomes the Direct driver synchronous belt of permagnetic synchronous motor, left and right door leaf, eliminate a part of mechanical variable speed device, mechanical structure is simplified more, failure rate is reduced and cost is reduced.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the schematic block circuit diagram of elevator door-motor (PMSM) control system without position sensor in the utility model device;
Fig. 3-Fig. 5 is the driving process flow diagram in the utility model device in elevator door-motor (PMSM):
Fig. 3 is the main program flow chart that elevator door-motor (PMSM) drives;
Fig. 4 is for interrupting protection flow chart;
Fig. 5 is the main process chart that T1 interrupts;
Fig. 6-Figure 11 is the utility model elevator door-motor (PMSM) position-sensor-free Drive and Control Circuit schematic diagram:
Fig. 6 is main circuit (current rectifying and wave filtering circuit and IPM driving isolation and the protective circuit) schematic diagram of elevator door-motor (PMSM);
Fig. 7 is DSP minimum system and outside expansion (outside storage expanded circuit and DSP minimum system) schematic diagram;
Fig. 8 switch input terminal mouth (outside input circuit) schematic diagram;
Fig. 9 is man-machine interface display (parameter display circuit) schematic diagram;
Figure 10 is electric current, voltage detecting (voltage, current Hall transducer and sample circuit thereof) schematic diagram;
Figure 11 is power circuit principle figure.
Description of reference numerals:
1. servo-driver; 2. permagnetic synchronous motor; 3. assembly pulley; 4. guide rail; 5. a machine crossbeam; 6. car door; 7. synchronous belt; 8. driven pulley; 9. driving wheel; 10. contiguous block; 11. current rectifying and wave filtering circuits; 12. voltage hall sensors; 13. voltage sampling circuits; 14. exterior storage expanded circuits; 15. outside input circuit; 16. parameter display circuit; 17. IPM driving isolation circuit; 18. current sampling circuits; 19. current Hall transducers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The drive unit of a kind of elevator door-motor control system without position sensor of the utility model, as shown in fig. 1, comprise mechanical device and the servo-driver 1 of elevator door-motor (PMSM) transmission operation, it is characterized in that: the mechanical device that elevator door-motor transmission runs comprises permagnetic synchronous motor 2, driving wheel 9, synchronous belt 7, driven pulley 8, contiguous block, car door 6, door machine crossbeam 5, assembly pulley 3 and guide rail 4; Door machine crossbeam 5 is fixed on car, permagnetic synchronous motor 2, driven pulley 8, assembly pulley 3 and guide rail 4 are fixed on the door machine crossbeam 5 of relevant position, driving wheel 9 is fixed on the rotor shaft of permagnetic synchronous motor 2, synchronous belt 7 is nested between driving wheel 9 and driven pulley 8, car door 6 fans door for left and right two, the left and right door leaf of car door 6 is connected on synchronous belt 7 by contiguous block 10, and left and right door leaf is linked on guide rail 4 by assembly pulley and runs; Servo-driver 1 drives elevator door-motor to run, and is a machine (PMSM) Drive and Control Circuit.
The servo-driver 1 of described permagnetic synchronous motor 2 comprises current rectifying and wave filtering circuit 11, IPM main circuit, current sampling circuit 19, voltage sampling circuit 13, IPM driving isolation circuit 18, DSP exterior storage expanded circuit 14, parameter display circuit 16, DSP outside input circuit 15; Single phase alternating current power supply is through the input of current rectifying and wave filtering circuit two output interfaces as inverter IPM and voltage detecting circuit, U, V, W end that inverter exports is connected with permagnetic synchronous motor (three-phase), V end and W hold to be connected with two current Hall transducers and carry out current sample, wherein the control terminal of inverter IPM is connected with dsp processor 2812 by peripheral driving isolation circuit, parameter display circuit is also connected with dsp processor 2812, and the output of voltage sampling circuit, current sampling circuit, outside (switch) input circuit is connected with dsp processor 2812.
Utility model works principle is as follows:
The Drive and Control Circuit schematic diagram of Fig. 6-Figure 11 shows that elevator door-motor (PMSM) control system without position sensor, Fig. 6 is the main circuit of elevator door-motor (PMSM), in elevator door-motor (PMSM) main circuit U, V, W end is connected with expansion mouth P3 respectively, namely P3 expansion mouth is connected with elevator door-motor (PMSM), to be the IPM peripheral control circuits of PS21563 be model that 6 road pwm signals add 1 passes by pressure, overcurrent protection signal connects driver 74HC245, and outputed signal 6 road signals and be connected with 6 high speed photo couplings, wherein 1 road guard signal is connected with general optocoupler PC1, then connect through inverter SN74LS04 and IPM and realize the connection of control circuit.Power supply input circuit is that single-phase 220AC voltage enters over commutation device KBL404 and auxiliary circuit thereof, enters over commutation filtering, is connected with P, N power inlet of IPM.After current rectifying and wave filtering circuit, MH, ML network label is voltage detecting tie point, network label V+, V-, and W+, W-are the tie point of elevator door-motor phase current sensing.6 road pwm signals in main circuit and 1 tunnel error protection signal, be connected with the DSP minimum system chip respective pin in Fig. 7.Fig. 8 imput output circuit, feature for elevator door-motor mainly considers switching signal, switch gate limit restricting the number is connected with DSP respective pin as input port four road optocoupler PC817 and auxiliary circuit, outputs signal the host computer for fault is obstructed, door machine running status to be fed back to apparatus for controlling elevator by gate-width self-inspection, safety edge and light curtain screen signal by No. 3 relays through DSP process.Fig. 9 man-machine interface display circuit: 3 LED digital pipe display circuits be have employed for important parameters such as the operating electric current of door machine, speed, torques, four digital I/O mouths of DSP in Fig. 7 chip are adopted to export definition serial data delivery outlet DATA, shift clock delivery outlet SCK, latching clock signal delivery outlet CLK, keyboard state input port respectively through SN74CBTD3384BLE through level conversion, again by chip M74HC595 and TPIC6B595 cascade, exported by serial input-parallel and drive charactron to carry out sheet to select Dynamic Announce.Figure 10 voltage and current detection circuit: by the symmetry of three-phase current, the estimation of the closed loop of electric current and door machine rotating speed, position can be realized by detecting biphase current, current sensor selects the high-precision hall transducer of CNB-25N/SPT model to be connected with the chip DSP respective pin in Fig. 7 through biasing circuit, modulate circuit, same voltage sensor we select model VSM025A voltage sensor but voltage signal is always and does not just need biasing circuit.Figure 11 is power principle figure, the voltage of+the 3.3V ,+1.8V that provide for required chip ,+15V ,-15V ,+5V.
Claims (2)
1. the drive unit of an elevator door-motor control system without position sensor, comprise mechanical device and the servo-driver of elevator door-motor transmission operation, it is characterized in that: the mechanical device that elevator door-motor transmission runs comprises permagnetic synchronous motor (2), driving wheel (9), synchronous belt (7), driven pulley (8), contiguous block (10), left and right car door, door machine crossbeam (5), assembly pulley (3) and guide rail (4); Door machine crossbeam (5) is fixed on car, permagnetic synchronous motor (2), driven pulley (8), assembly pulley (3) and guide rail (4) are fixed on the door machine crossbeam of relevant position, driving wheel (9) is fixed on permagnetic synchronous motor (2) rotor shaft, synchronous belt (7) is nested between driving wheel (9) and driven pulley (8), left and right door leaf is connected on synchronous belt (7) by contiguous block (10), and left and right door leaf is linked at the upper operation of guide rail (4) by assembly pulley; Servo driver drives elevator door-motor runs.
2. the drive unit of elevator door-motor control system without position sensor according to claim 1, it is characterized in that: the servo-driver (1) of described permagnetic synchronous motor (2) comprises current rectifying and wave filtering circuit (11), IPM main circuit, current sampling circuit (19), voltage sampling circuit (13), IPM driving isolation circuit (18), DSP exterior storage expanded circuit (14), parameter display circuit (16), DSP outside input circuit (15); Single phase alternating current power supply is through the input of current rectifying and wave filtering circuit two output interfaces as inverter IPM and voltage detecting circuit, U, V, W end that inverter exports is connected with permagnetic synchronous motor, V, W end to be connected with two current Hall transducers and to carry out current sample, wherein the control terminal of inverter IPM is connected with dsp processor 2812 by peripheral driving isolation circuit, parameter display circuit is also connected with dsp processor 2812, and the output of voltage sampling circuit, current sampling circuit, switch input circuit is connected with dsp processor 2812.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420659746.9U CN204168196U (en) | 2014-11-07 | 2014-11-07 | The drive unit of elevator door-motor control system without position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420659746.9U CN204168196U (en) | 2014-11-07 | 2014-11-07 | The drive unit of elevator door-motor control system without position sensor |
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| Publication Number | Publication Date |
|---|---|
| CN204168196U true CN204168196U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420659746.9U Expired - Fee Related CN204168196U (en) | 2014-11-07 | 2014-11-07 | The drive unit of elevator door-motor control system without position sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333281A (en) * | 2014-11-07 | 2015-02-04 | 沈阳工业大学 | Drive device for elevator door motor sensorless control system |
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2014
- 2014-11-07 CN CN201420659746.9U patent/CN204168196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333281A (en) * | 2014-11-07 | 2015-02-04 | 沈阳工业大学 | Drive device for elevator door motor sensorless control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20161107 |