CN205427523U - Many haulers synchronous control system - Google Patents
Many haulers synchronous control system Download PDFInfo
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- CN205427523U CN205427523U CN201620184843.6U CN201620184843U CN205427523U CN 205427523 U CN205427523 U CN 205427523U CN 201620184843 U CN201620184843 U CN 201620184843U CN 205427523 U CN205427523 U CN 205427523U
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Abstract
Many haulers synchronous control system relates to an elevator control system, especially relates to many haulers synchronous control system. The utility model provides an emergent ability reinforce, security performance height, fast many haulers synchronous control system. Sensor module no. 1 locates power module is last, and with control system connects. Power module includes alternating current power supply and rectifier module, alternating current power supply with rectifier module links to each other, rectifier module connects control system. Sensor module no. 1 includes current sensor no. 1 and voltage sensor no. 1, current sensor no. 1 arranges in on rectifier module's the output, and with control system connects, can effectively improve car functioning speed, practice thrift latency, lift system's reliability can be at any time according to load conditions increase and decrease hauler branch road, and is energy -efficient.
Description
Technical field
This utility model relates to a kind of apparatus for controlling elevator, particularly relates to many traction machines synchronous control system.
Background technology
Along with urbanization process is constantly accelerated, skyscraper continues to bring out, and this has just driven the fast development of elevator industry, along with the floor of skyscraper is more and more higher, people are increasingly faster to the requirement of elevator speed, and the traction machine as elevator driving device also develops towards direction at high speed.Existing lift driving and controlling system uses single traction machine structure, and when traction machine breaks down, emergency capability is not enough, and security performance is relatively low, and single traction machine kinetic energy is not enough, and its speed can not meet the needs of people's life.
Utility model content
This utility model is for problem above, it is provided that a kind of emergency capability is strong, security performance is high, fireballing many traction machines synchronous control system.
The technical solution of the utility model is: include power module, sensor assembly one, monitoring system, control system, some traction machine modules and car；
Described power module and monitoring system are connected with described control system respectively, and described traction machine module is connected respectively with described control system and described car；
Described sensor assembly one is located on described power module, and is connected with described control system.
Described power module includes that alternating current power supply and rectification module, described alternating current power supply are connected with described rectification module, and described rectification module connects described control system.
Described sensor assembly one includes current sensor one and voltage sensor one；
Described current sensor one is placed on the outfan of described rectification module, and is connected with described control system；
Described voltage sensor one is placed on the outfan of described rectification module, and is connected with described control system.
Described control system includes dsp chip, bus module, signals collecting and conditioning module and signal isolation and amplifier module；
Described bus module is connected with described dsp chip, and described monitoring system is interconnected with described dsp chip by bus module, it is achieved two-way communication；
Described signals collecting is connected with described dsp chip with conditioning module, it is achieved signals collecting and conversion；
Described signal isolation and amplifier module is connected with described dsp chip, it is achieved signal exports.
Described signals collecting and conditioning module include that the filter circuit of pressure-stabilizing, bias voltage circuit and the ratio that are sequentially connected adjust circuit,
Each described traction machine module includes that traction machine, sensor assembly two and traction machine drive module,
Described traction machine drives module to connect described signal isolation and amplifier module and traction machine respectively；
Described sensor assembly two includes that current sensor two and velocity sensor one, described current sensor two are placed in described traction machine and drive in module and be connected with conditioning module with described signals collecting,
Described velocity sensor one is placed in the rotating shaft of described traction machine and is connected with conditioning module with described signals collecting.
Described car is provided with velocity sensor two, and described velocity sensor two is connected with conditioning module with described signals collecting.
This utility model uses many traction machines dragging structure, the population size of elevator device is increased by the quantity increasing traction machine, reduce traction machine R&D costs, and can be when single traction machine breaks down, other traction machines can work on, reduce risk when single traction machine breaks down, improve the emergency capability of elevator, thus improve the safety and reliability of whole elevator device.Multiple traction machines simultaneously act on same car, it is possible to be effectively improved cage operation speed, save the waiting time.
Utilize closed-loop control system to construct various Digital Control module, control to implement Digital Control to driving, thus obtain high-precision SERVO CONTROL, thus realize the speed sync between many traction machines.Construct speed controlling ring, current regulator, add real-time speed monitoring and compensation tache, improve the reliability of many traction machines control system.Traction machine branch road can be increased and decreased at any time according to loading condition, energy-efficient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is this utility model control principle schematic diagram,
Fig. 3 is this utility model control method flow chart.
Detailed description of the invention
This utility model includes power module, sensor assembly one, monitoring system, control system, some traction machine modules and car as Figure 1-3.Described power module and monitoring system are connected with described control system respectively, and described traction machine module is connected respectively with described control system and described car；Described sensor assembly one is located on described power module, and is connected with described control system.
Described power module includes alternating current power supply and rectification module, and described in rectification module, alternating current power supply is connected with described rectification module, and described rectification module connects described control system.The AC rectification that alternating current power supply is provided by rectification module is the unidirectional current that system can use, for system power supply.
Described sensor assembly one includes current sensor one and voltage sensor one；Described current sensor one is placed on the outfan of described rectification module, and is connected with described control system.For detecting the output electric current of rectification module.Described voltage sensor one is placed on the outfan of described rectification module, and is connected with described control system.For detecting the output voltage of rectification module.
Described control system includes dsp chip, bus module, signals collecting and conditioning module and signal isolation and amplifier module.Described bus module is connected with described dsp chip, and described monitoring system is interconnected with described dsp chip by bus module, it is achieved two-way communication.
Described signals collecting is connected with described dsp chip with conditioning module, it is achieved signals collecting and conversion；Described signal isolation and amplifier module is connected with described dsp chip, it is achieved signal exports.
Described signals collecting and conditioning module include that the filter circuit of pressure-stabilizing, bias voltage circuit and the ratio that are sequentially connected adjust circuit.The output signal of filter circuit of pressure-stabilizing stability sensor, the output signal value of sensor is converted to ratio and adjusts the scope that circuit can process by bias voltage circuit, and ratio adjusts circuit and signal value is adjusted to the range of receiving of dsp chip.The signal making each sensor promptly and accurately can send dsp chip to and process.
Each described traction machine module includes that traction machine, sensor assembly two and traction machine drive module.Described traction machine drives module to connect described signal isolation and amplifier module and traction machine respectively.Described traction machine is used for dragging cage operation, many traction machines are used to drag same car, promote the speed of service of car, and when a traction machine scram, residue traction machine also is able to drag cage operation, reduce risk when single traction machine breaks down, improve the emergency capability of elevator, thus improve the safety and reliability of whole elevator device.
Described sensor assembly two includes current sensor two and velocity sensor one, described current sensor two is placed in described traction machine and drives in module and be connected with conditioning module with described signals collecting, gather traction machine and drive module output current value signal, and send dsp chip to and carry out signal processing.Described velocity sensor one is placed in the rotating shaft of described traction machine and is connected with conditioning module with described signals collecting, gathers traction machine tach signal and is sent to DSP module and processes.Described car is provided with velocity sensor two, and described velocity sensor two is connected with conditioning module with described signals collecting, gathers the running speed signal of car, and is sent to DSP module and processes.
Work as follows:
1) control system initializes, and the communication simultaneously set up between dsp chip with host computer is connected；I.e. it is controlled the self-inspection being, carries out pinging news.
2) memorizer carried is divided into rate curve computing module, rate control module and three districts of current control module by dsp chip in advance；I.e. carry out software partition, it is achieved do not interfere with each other between each function computing, increase arithmetic speed and reduce the response time.
3) given speed curve is obtained；
3.1) host computer is sent to constant speed angle value to dsp chip by bus module；
3.1) velocity information of signals collecting and conditioning module picking rate sensor two transmission pass it to rate curve computing module in dsp chip；
3.2) rate curve computing module calculates given speed curve according to velocity information and given speed value；
4) given speed curve is sent to rate control module；
5) current controling signal is obtained；The traction machine rate signal that rate control module obtains from velocity sensor one, and according to the rate curve that step 3 obtains, obtain the rate control module current controling signal to current control module.
6) current control module combination current control signal and the current signal of current sensor two, sends driving signal, controls traction machine and drives module, drags traction machine operating；Thus drive cage operation.
7) it is driven signal compensation；I.e. signal is carried out real-Time Compensation, improves control accuracy.
7.1) read the velocity amplitude of each velocity sensor one transmission, calculate the speed difference between each velocity amplitude；
7.2) speed difference is sent to current control module；
7.1) the current value information of current sensor two transmission is read；
7.2) current control module according to the current value read and speed difference and drives signal, calculates new driving signal；
7.3) judge current/voltage whether out-of-bounds, if out-of-bounds, the given speed value reporting an error to host computer and please looking for novelty, if not out-of-bounds, return step 7.1), complete.
It is specifically described as a example by double traction machines below.
As it is shown in figure 1, this utility model includes that alternating current power supply, rectification module, current sensor one, one, two traction machines of voltage sensor drive modules, two, two traction machines of two current sensors, two velocity sensors one, host computer, lift car, velocity sensor two and control system.The AC rectification that current sensor one and voltage sensor one are used for detecting rectification module described in the electric current of the output of rectification module and voltage and alternating current power supply are provided is the unidirectional current that two traction machines drive that module can use.Current sensor two drives the output electric current of module for detecting traction machine.Velocity sensor one is for detecting the rate signal of traction machine.
Control system preferably employs DSP control system.DSP control system is by dsp chip, signals collecting and conditioning module, signal isolation and amplifier module and module composition, and bus module preferably employs CAN module.DSP control system has low-power consumption, high performance disposal ability.There is powerful external communication interface (SCI, SPI, CAN) be easy to constitute big control system.And DSP control system low cost is suitable for large-scale commercial production.
Described rectification module drives module, current sensor one, voltage sensor one to be connected with alternating current power supply, two traction machines.One of them traction machine drives module to be connected with rectification module, one of them current sensor two, signal isolation and amplifier module, accepts the control of dsp chip.One of them traction machine is connected with one of them current sensor two, one of them velocity sensor one, lift car.Traction machine can drag elevator, and another drives module to be connected with rectification module, another current sensor two, signal isolation and amplifier module.Another traction machine is connected with another current sensor two, another velocity sensor one, lift car.Two traction machines drive module to be used for driving the operation of traction machine by signal isolation and amplifier module after being controlled.Velocity sensor two is used for detecting elevator car speed information.
Described signals collecting is connected with current sensor one, voltage sensor one, two current sensors two, two velocity sensors one, velocity sensors two with conditioning module.Described lift car and two traction machines, velocity sensors two are connected.Described host computer is connected with dsp chip by CAN module, it is achieved two-way communication, can also be controlled system and real-time display system operation result simultaneously.Signals collecting and conditioning module are for receiving the output valve of each sensor.
The voltage received, electric current, rate signal are nursed one's health by described signals collecting with conditioning module, reach the input range of dsp chip, dsp chip passes through current signal and the rate signal of traction machine of the driving module of feedback, system is implemented closed loop control, improves the precision of traction machine speed controlling.
As in figure 2 it is shown, this utility model is realized the whole control of system by dsp chip, inside dsp chip, it is divided into rate curve computing module, rate control module, compensating module, current control module.Desired speed signal (i.e. given speed value) is sent to rate curve computing module by CAN by host computer, the elevator car speed information that rate curve computing module velocity sensor two returns, after being computed, the speed given curve obtained is sent to rate control module, the velocity information of two traction machines that rate control module is obtained by two velocity sensors one, according to the velocity amplitude that speed given curve and two traction machines are actual, obtain its current controling signal to two current control module.The positional information of two, the traction machine that compensating module is obtained by two velocity sensors one, obtains its current compensation control signal to two current control module；Current control module comprehensive speed control module, compensating module and the current controling signal of two current sensors two, drive module to be controlled to two, and then two traction machines of dragging synchronize to operate.Two common dragging lift cars operate, and then realize the synchronous velocity control of this system.
Two traction machines simultaneously act on car, improve the speed of service of car, decrease waiting time.Even if single traction machine fault, control system still can utilize normal traction machine to continue to drag cage operation by closed loop control, reduce risk when single traction machine breaks down, improve the emergency capability of elevator, thus improve the security performance that elevator is overall.Traction machine module, energy-conserving and environment-protective can also be increased and decreased according to actual needs.
As it is shown on figure 3, be flow chart of the present utility model, specifically comprise the following steps that
1st step, system initialization, initialize including the control signal driving module and set up the relevant setting of communication to host computer, host computer passes through CAN by desired speed signal (i.e. given speed value)；
2nd step, the speed of detection lift car, and combine desired speed signal (i.e. given speed value), calculate speed given curve；
3rd step, reads velocity amplitude V1, V2 of two traction machines, and the speed difference E0 calculated between two traction machines gives current control module；
4th step, speed control calculates the set-point of current controller according to given speed curve and traction machine velometer；
5th step, reads current value A1, the A2 measured by two current sensors two；
6th step, current controller is according to current value A1, the A2 recorded and compensates the offset E0 controlled, and calculates new control current value；
7th step, it is judged that whether current value and magnitude of voltage cross the border, if crossing the border, reporting an error to host computer and asking host computer again to provide desired speed signal, if not crossing the border, returning second step, it is achieved closed loop control, adjusting in real time.
This utility model uses many traction machines dragging structure, the population size of elevator device is increased by the quantity increasing traction machine, reduce traction machine R&D costs, and can be when single traction machine breaks down, other traction machines can work on, reduce risk when single traction machine breaks down, improve the emergency capability of elevator, thus improve the safety and reliability of whole elevator device.Multiple traction machines simultaneously act on same car, it is possible to be effectively improved cage operation speed, save the waiting time.
This utility model utilizes closed-loop control system to construct various Digital Control module, controls to implement Digital Control to driving, thus obtains high-precision SERVO CONTROL, thus realizes the speed sync between many traction machines.Construct speed controlling ring, current regulator, add real-time speed monitoring and compensation tache, improve the reliability of many traction machines control system.Traction machine branch road can be increased and decreased at any time according to loading condition, energy-efficient.
Claims (7)
1. more than traction machine synchronous control system, it is characterised in that include power module, sensor assembly one, monitoring system, control system, some traction machine modules and car；
Described power module and monitoring system are connected with described control system respectively, and described traction machine module is connected respectively with described control system and described car；
Described sensor assembly one is located on described power module, and is connected with described control system.
Many traction machines synchronous control system the most according to claim 1, it is characterised in that described power module includes that alternating current power supply and rectification module, described alternating current power supply are connected with described rectification module, described rectification module connects described control system.
Many traction machines synchronous control system the most according to claim 2, it is characterised in that described sensor assembly one includes current sensor one and voltage sensor one；
Described current sensor one is placed on the outfan of described rectification module, and is connected with described control system；
Described voltage sensor one is placed on the outfan of described rectification module, and is connected with described control system.
Many traction machines synchronous control system the most according to claim 3, it is characterised in that described control system includes dsp chip, bus module, signals collecting and conditioning module and signal isolation and amplifier module；
Described bus module is connected with described dsp chip, and described monitoring system is interconnected with described dsp chip by bus module, it is achieved two-way communication；
Described signals collecting is connected with described dsp chip with conditioning module, it is achieved signals collecting and conversion；
Described signal isolation and amplifier module is connected with described dsp chip, it is achieved signal exports.
Many traction machines synchronous control system the most according to claim 4, it is characterised in that described signals collecting and conditioning module include that the filter circuit of pressure-stabilizing, bias voltage circuit and the ratio that are sequentially connected adjust circuit.
Many traction machines synchronous control system the most according to claim 5, it is characterised in that each described traction machine module includes that traction machine, sensor assembly two and traction machine drive module,
Described traction machine drives module to connect described signal isolation and amplifier module and traction machine respectively；
Described sensor assembly two includes that current sensor two and velocity sensor one, described current sensor two are placed in described traction machine and drive in module and be connected with conditioning module with described signals collecting,
Described velocity sensor one is placed in the rotating shaft of described traction machine and is connected with conditioning module with described signals collecting.
Many traction machines synchronous control system the most according to claim 6, it is characterised in that described car is provided with velocity sensor two, described velocity sensor two is connected with conditioning module with described signals collecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184843.6U CN205427523U (en) | 2016-03-09 | 2016-03-09 | Many haulers synchronous control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620184843.6U CN205427523U (en) | 2016-03-09 | 2016-03-09 | Many haulers synchronous control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523452A (en) * | 2016-03-09 | 2016-04-27 | 江苏通用电梯有限公司 | Multi-tractor synchronous control system and operation method thereof |
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2016
- 2016-03-09 CN CN201620184843.6U patent/CN205427523U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523452A (en) * | 2016-03-09 | 2016-04-27 | 江苏通用电梯有限公司 | Multi-tractor synchronous control system and operation method thereof |
| WO2017152432A1 (en) * | 2016-03-09 | 2017-09-14 | 江苏通用电梯有限公司 | Multi-tractor synchronous control system and working method therefor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20190309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |