CN106100456B - A kind of the control node device and operation method of three-phase motor comprehensively control - Google Patents
A kind of the control node device and operation method of three-phase motor comprehensively control Download PDFInfo
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- CN106100456B CN106100456B CN201610712972.2A CN201610712972A CN106100456B CN 106100456 B CN106100456 B CN 106100456B CN 201610712972 A CN201610712972 A CN 201610712972A CN 106100456 B CN106100456 B CN 106100456B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
- H02P1/40—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor in either direction of rotation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
Abstract
The invention discloses a kind of control node device of three-phase motor comprehensively control and operation methods, belong to three-phase motor control field, the various application occasions suitable for the different application demand between wireless sensor network system and execution equipment.Present invention design realizes the control node device and operation method of the positive and negative rotation control of the three-phase motor control that wireless instructions mode and manual-operated emergent mode are concurrently run, especially three-phase motor.This control node device includes data communication component and three-phase motor driving part two parts, pass through data communication component, the feedback of the execution equipment running status of reception and the present apparatus control of the wireless instructions of wireless sensor network system base station sending is realized, and then realizes the long-range control of wireless instructions.Moreover, backup of the manual-operated emergent control mode of this control node device as wireless instructions control mode, realizes the local control of manual-operated emergent, both modes can concurrently run, be independent of each other.
Description
Technical field
The present invention relates to a kind of control node device of three-phase motor comprehensively control and operation methods, are suitable for field crop
The classes such as environmental monitoring, the monitoring of crop greenhouse culture environment, livestock and poultry facility cultivation surroundings monitoring and aquatic products facility cultivation surroundings monitoring
Like air themperature, air humidity, illumination, wind speed, wind direction, rainfall, the soil moisture, soil moisture, soil salt, soil in system
The wireless sensor network skill of the monitoring such as fertility, CO2 gas concentration, harmful gas concentration and water environment dissolved oxygen, water temperature, pH value
To the control of three-phase motor in art field.
Background technique
The wireless sensor network of the self-organizing intelligent sensing of intelligentized control method can be widely used in field crop environment prison
The applications such as control, the monitoring of crop greenhouse culture environment, livestock and poultry facility cultivation surroundings monitoring and aquatic products facility cultivation surroundings monitoring,
To its air themperature, air humidity, illumination, wind speed, wind direction, rainfall, the soil moisture, soil moisture, soil salt, soil fertilizer
The implementing monitorings such as power, CO2 gas concentration, harmful gas concentration and water environment dissolved oxygen, water temperature, pH value have extremely wide answer
Use prospect.Wireless sensor network includes sensing node, control node, gateway, relay node and base station, is applied to above-mentioned ring
Border monitoring etc. fields when, can in real time, accurately monitor environmental data.When sensing node monitor air themperature, air humidity,
Illumination, wind speed, wind direction, rainfall, the soil moisture, soil moisture, soil salt, soil fertility, CO2 gas concentration, pernicious gas
Concentration and water environment dissolved oxygen, water temperature, pH value etc. environmental index are higher or lower than required threshold value, and are determined as abnormal thing
After part, monitoring system is required to realize the work that automatic control/manual-operated emergent control cascade, fan, skylight etc. executes equipment
State, to reach the adjustment effect to environmental index, this is also that one proposed to wireless sensor network system higher wants
It asks.For the diversity that system reliability of operation and system control, the electronic component of anti-locking system once occurs can not be pre-
System such as can not work normally at the unpredictable failure when failure known, improve system robustness, and with regard to how to reach not only
Can with communication automatic monitoring system can also manual-operated emergent control requirement, to realize wireless instructions and manual-operated emergent
The problem of monitoring system that two ways has both.In many practical engineering applications, wireless sensor network technology is required
There is corresponding solution, thus demand is realized to a kind of control section of the three-phase motor comprehensively control of wireless instructions/manual-operated emergent
Point device.In the wireless sensor network monitoring system of a control node comprising realizing above-mentioned control function requirement, greatly
The sensing node of amount obtains environmental information and simultaneously carries out simple data processing, carries out wireless data communication between node, with single-hop or
The form exchange data information of person's multi-hop passes information to communication base station, what sensing node can be collected by communication base station
Information carries out effectively analysis and handles, while being required by sensor network wireless data communication to the above-mentioned control function of realization
Control node sends control instruction, and control node can control the shape for executing equipment according to the control instruction of base station sending
State.Moreover, the manual-operated emergent control mode for realizing the control node that above-mentioned control function requires is then wireless instructions control
The emergency or execute-in-place back mechanism of mode.Their degrees of coupling are low, and operation can be independent of each other, and provide for user's control demand
Multiple convenience.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of applied to field crop environmental monitoring, crop temperature
The three-phase motor of many occasions such as the monitoring of room planting environment, livestock and poultry facility cultivation surroundings monitoring and aquatic products facility cultivation surroundings monitoring
The control node device and operation method of comprehensively control can effectively solve wireless sensor network system and execute between equipment
Different application demand control problem, the spirit of three-phase motor positive and negative rotation in the Practical Project of especially above-mentioned various application occasions
Control problem living.
Realizing the technical solution of the object of the invention is: a kind of control node device of three-phase motor comprehensively control, including number
According to communication component and three-phase motor driving part, data communication component includes processor unit, memory cell, wireless receiving and dispatching list
Member and first power source unit, three-phase motor driving part include three-phase motor positive and negative rotation control unit, control machines unit, three
Phase motor operating state feedback output unit, SCR control unit, manual-operated emergent control unit and second power source unit；
SCR control unit and the manual-operated emergent control unit are connect with three-phase motor positive and negative rotation control unit respectively,
Realize that wireless instructions and manual-operated emergent two ways concurrently flexibly control positive and negative rotation and the start stop operation of three-phase motor respectively；
Processor unit uses AVR microprocessor chip, for packaged data to wireless transmit/receive units and to wireless receiving and dispatching
The network packet that unit receives is stored, is analyzed, handled and is made control decision, to complete the control to three-phase motor
System；Memory cell is connect with the processor unit, and memory cell is used as insufficient in processor unit internal storage space
In the case of non-volatile program and data storage supplement；Wireless transmit/receive units use the wireless receiving and dispatching communication chip of low-power consumption
As processing chip, wireless transmit/receive units are connected by spi bus with processor unit, and wireless transmit/receive units are for receiving packet
Data packet containing time synchronizing signal or base station control instruction, wireless transmit/receive units also send to base station and run comprising three-phase motor
The data packet of status feedback signal；First power source unit provides working power for entire data communication component；
Three-phase motor positive and negative rotation control unit is used to control the on-off and phase sequence of three-phase motor work trunk roads, to control
The start and stop and positive and negative rotation of three-phase motor；Control machines interface is connect with the control machines unit, control machines unit
It is connect with the SCR control unit, SCR control unit is connect with three-phase motor positive and negative rotation control unit, by silicon-controlled
It triggers the high level pulse signal conduction of interface input or blocks the three-phase motor positive and negative rotation control unit；
Three-phase motor operating status feedback output unit is connect with the three-phase motor positive and negative rotation control unit, three-phase motor
Operating status feedback output unit is used to detect the on-off of the three-phase motor positive and negative rotation control unit, to obtain three-phase motor
Working condition；
Manual-operated emergent control unit is connect with three-phase motor positive and negative rotation control unit, by be arranged positive starting, anti-starting and
Stop emergency button, the on-off and phase sequence for manual-operated emergent control three-phase motor work trunk roads are to emergency flight control three-phase electricity
The positive and negative rotation and stopping of machine；Second power source unit provides working power for entire three-phase motor driving part；
Three-phase motor positive and negative rotation control unit includes three-phase motor work trunk roads and three-phase motor control trunk roads, three
Phase motor works in trunk roads, and the three road contacts for rotating forward A.C. contactor KM1 main contact are connected in series in three phase mains respectively
U, in V, W phase branch, three road contacts of reversion A.C. contactor KM2 main contact are connected in series in W, V, U of three phase mains respectively
In phase branch；In three-phase motor control trunk roads, it is in series with and stops the normally closed auxiliary contact of A.C. contactor KM3, stop button
SB1, A.C. contactor KM1 sucking coil, the normally closed auxiliary contact of reversion A.C. contactor KM2 are rotated forward and rotates forward A.C. contactor
The normally opened auxiliary contact of KM1；Rotate forward A.C. contactor KM1 sucking coil, the normally closed auxiliary contact of reversion A.C. contactor KM2 and just
After turning A.C. contactor KM1 normally opened auxiliary contact series connection, with the reversion A.C. contactor KM2 sucking coil being serially connected, rotate forward
The normally closed auxiliary contact of A.C. contactor KM1 and the reversion normally opened auxiliary contact of A.C. contactor KM2 are parallel with one another；Three-phase motor is just
Rotating forward A.C. contactor KM1 and reversion A.C. contactor KM2 in reversion control unit, which are respectively arranged with, adds normally opened auxiliary touching
Head；Rotate forward the normally closed auxiliary contact of A.C. contactor KM1 and its main contact, its normally opened auxiliary contact, its add normally opened auxiliary contact
Four interlockings, the reversion normally closed auxiliary contact of A.C. contactor KM2 and its main contact, its normally opened auxiliary contact, its add it is normally opened auxiliary
Contact is helped to interlock；It further include that a SCR control three-phase motor stops control branch in three-phase motor control trunk roads
Road, which, which is in series with, stops A.C. contactor KM3 sucking coil and silicon-controlled Q6, and the both ends of silicon-controlled Q6 are parallel with capacitance-resistance guarantor
Protection circuit.
As prioritization scheme of the invention, data communication component includes the first connectivity port and second connection end mouth, three-phase
Motor driven component includes control machines interface and three-phase motor operating status feedback output interface, the first connectivity port with can
It controls silicon triggering interface to be connected, second connection end mouth is connected with three-phase motor operating status feedback output interface.
As prioritization scheme of the invention, SCR control unit includes silicon-controlled Q2, silicon-controlled Q4 and silicon-controlled Q6, can
Control silicon Q2, silicon-controlled Q4, silicon-controlled Q6 pass through control respectively and rotate forward the sucking coil of A.C. contactor KM1, reversion ac contactor
The sucking coil of device KM2, the sucking coil for stopping A.C. contactor KM3 on-off realize wireless instructions control three-phase motor
Positive and negative rotation and stopping, manual-operated emergent control unit include positive start button SB2, anti-start button SB3 and stop button SB1, just
Start button SB2 and anti-start button SB3 controls the sucking coil for rotating forward A.C. contactor KM1, reversion A.C. contactor respectively
The on-off of the sucking coil of KM2, Lai Shixian manual-operated emergent control the positive and negative rotation of three-phase motor, and stop button SB1 controls three-phase electricity
The stopping of machine；
Control machines unit includes triode Q1, triode Q3 and triode Q5, the triode Q1, triode Q3
It is connect respectively with silicon-controlled Q2, silicon-controlled Q4 and silicon-controlled Q6 with triode Q5, by controlling triode Q1, triode Q3 and three
The on and off of pole pipe Q5 is to control the conducting and blocking of silicon-controlled Q2, silicon-controlled Q4, silicon-controlled Q6, the silicon-controlled touching
Hair interface include optocoupler U6-1, optocoupler U6-2 and optocoupler U6-3, the optocoupler U6-1, optocoupler U6-2 and optocoupler U6-3 respectively with
Triode Q1, triode Q3 are connected with triode Q5, and the optocoupler U6-1, optocoupler U6-2 and optocoupler U6-3 are for completing three-phase
The transmitting of motor wireless control directives；
Three-phase motor operating status feedback output unit includes rotating forward A.C. contactor KM1 and reversion A.C. contactor KM2
Additional normally opened auxiliary contact respectively, rotates forward A.C. contactor KM1 and reversion A.C. contactor KM2 distinguishes additional normally opened auxiliary
Contact is connected on second connection end mouth, by obtaining the information of voltage of three-phase motor operating status feedback output unit come in real time
The respective on off operating mode that feedback rotates forward A.C. contactor KM1, inverts A.C. contactor KM2, thus to the work shape of three-phase motor
State is monitored in real time.
Realizing the technical solution of the object of the invention is: a kind of operation side of the control node device of three-phase motor comprehensively control
Method includes the following steps:
Step 1: data communication component and three-phase motor driving part power on respectively, complete software and hardware initialization；
Step 2: processor unit opens three-phase motor status feedback signal transmission timer, executes step 3；And it waits and is
System pre-control packet data package, executes step 4；
Step 3: if timing arrives, processor unit will be packaged three-phase motor operating status feedback signal data packet hair
Base station is sent to wireless transmit/receive units, then via wireless sensor network self-organizing routing；
Step 4: processor unit receives system pre-control packet data package, forwards the data packet, while broadcast point
Group establishes dynamic routing, and waiting system controls packet data package；
Step 5: processor unit receives system control packet data package, forwards the data packet；
Step 6: processor unit resolution system controls packet data package, determines that the control of system corresponding to the data packet refers to
It enables:
1) if receiving system control packet data package is base station control instruction, the number of packet data package is controlled according to system
Judged according to packet numerical value:
(1) if it is halt instruction, processor unit exports three-phase motor halt instruction to control machines interface；
(2) if being positive enabled instruction, processor unit is first according to the reading of three-phase motor operating status feedback output interface
Breath of winning the confidence judges the operating status of three-phase motor, if inverted status, then first exports three-phase motor to control machines interface and stops
It only instructs, determines and be delayed certain time after motor stops, retransmiting positive enabled instruction, it is otherwise directly defeated to control machines interface
The positive enabled instruction of three-phase motor out；
(3) if it is anti-enabled instruction, processor unit is first according to the reading of three-phase motor operating status feedback output interface
Breath of winning the confidence judges the operating status of three-phase motor, if the state of rotating forward, then first exports three-phase motor to control machines interface and stops
It only instructs, determines and be delayed certain time after motor stops, retransmiting anti-enabled instruction, it is otherwise directly defeated to control machines interface
The anti-enabled instruction of three-phase motor out；
2) if receiving system control packet data package is base station time synchronic command, reset time coincidence counter, weight
It is new to start timing, go to step 5；
If 3) received, 1) data packet is not met and 2) two kinds of situations, this data invalid go to step 5；
Step 7: processor unit resolution system controls packet data package, and after having executed system control instruction, reads three
The motor operating state feedback signal of phase motor operating state feedback output interface, the period is sent to base station after packing, goes to step
Rapid 5.
The present invention has the effect of positive:
1, the present invention designs on the basis of systematically studying and devising wireless sensor network system and has developed one
The control node device and operation method of kind three-phase motor comprehensively control, can effectively solve wireless sensor network system and three
The control problem of different application demand between phase motor, and its cost of investment is low, cost performance is high, real-time is good, safely can
It leans on, is easy to use and have a wide range of application.
2, present invention collection data communication component and three-phase motor driving part are an entirety, and data communication component receives simultaneously
The control instruction that analysis processing base station is transmitted by wireless sensor network, controls the work of three-phase motor driving part, and
The feedback signal of three-phase motor operating status is read from three-phase motor driving part.The control node of this three-phase motor comprehensively control
Device and operation method are combined using wireless instructions controlling mechanism and manual-operated emergent controlling mechanism two ways controls three-phase motor；
The operating status and back-to-back running status signal that three-phase motor can also be detected, had both greatly improved entire wireless sensor in this way
The practicability and reliability of network have also expanded the utilization scene of the present apparatus.
3, the present invention has the safely and effectively flexible control ability of three-phase motor, stable wireless communication ability and lasting
Ability to work, the reliability and real-time of automatic/hand control, information processing and wireless transmission with three-phase motor, from
Organize the adaptability of network, the reasonability of structure.
4, the present invention devises system control emergency mechanism, which not only remains three-phase motor positive and negative rotation conventional contacts
The stabilization safety of device mechanical control thought, and some improvement have been carried out to traditional interlock mode, i.e., by traditional positive and negative
The interlocking for turning control button has been changed to utilize the interlocking between positive and negative rotation A.C. contactor respective contacts；The addition of the mechanism, no
It is only supplied to the emergency means that can be taken under control system something unexpected happened and provides energy execute-in-place for user
Multi-functional.In addition, the mechanism is likely to occur when can control forceful electric power to avoid the electronic equipment in light current field is surprisingly burned band
The drawback come, hence it is evident that improve the robustness of electronic control system.When the control that wireless sensor network fails to complete to issue refers to
It enables, manual-operated emergent control mode can be taken at this time, guarantee that application system persistently works normally, also mentioned for system maintenance maintenance
For safety guarantee.
5, manual-operated emergent controlling mechanism of the invention, hence it is evident that improve the robustness that system operates normally, be not only wirelessly to refer to
The emergency operation mechanism under controlling mechanism unusual condition is enabled, while wireless instructions may be implemented in even more back mechanism, the i.e. mechanism
The institute of controlling mechanism is functional, and being equivalent to the control system, there are two sets of the same function implementations.The coupling of both mechanism
It spends low, control action can be taken simultaneously, will not be interacted.After wireless instructions mode, which controls three-phase motor, just to be started, such as
Fruit administrator wants to stop, then he can be there are two types of selection, wireless instructions control mode and manual-operated emergent control mode can
Achieve the effect that the same.
6, in three-phase motor driving part of the invention, A.C. contactor interlocking mechanism is used by silicon-controlled application scheme
The on-off of three-phase motor driving circuit positive and negative rotation A.C. contactor sucking coil is controlled, to control three-phase alternating current operating circuit
The positive and negative rotation of three-phase motor ensure that positive and negative rotation is not in competition, and then avoid artificial maloperation damage motor device, improve
Motor service life, and control is developed convenient for software developer.
7, in SCR control element circuit of the invention, using the silicon-controlled side for sealing in control circuit and non-working circuit
Case not only reduces silicon-controlled usage quantity, also achieves " point triggering " truly, that is, be connected it is silicon-controlled after immediately
It can close silicon-controlled, such benefit is not only to make software programming safer, it is also simpler, and avoid silicon-controlled
The case where turn-on and turn-off operation is carried out in the state of being switched on and continually for a long time, to avoid lacking for breakdown damage
Point, and the probability of silicon-controlled damage is reduced, silicon-controlled service life is improved, and then Three-phase electric motor phase operation is avoided to make
At the problem of；It not only can control three-phase motor, with real-time detection and the operating state signal of three-phase motor can be fed back.
Detailed description of the invention
Fig. 1 is the general frame of the control node device of three-phase motor comprehensively control of the present invention.
Fig. 2 is the data communication component schematic diagram of the control node device of three-phase motor comprehensively control of the present invention.
Fig. 3 is the three-phase motor driving part schematic diagram of the control node device of three-phase motor comprehensively control of the present invention.
Fig. 4 is three-phase motor positive and negative rotation control unit circuit diagram of the invention.
Fig. 5 is control machines interface principle figure of the invention.
Fig. 6 is control machines element circuit schematic diagram of the invention.
Fig. 7 (a) and Fig. 7 (b) is the three-phase motor of the control node device of three-phase motor comprehensively control of the invention respectively
The circuit diagram of positive and negative rotation control unit.
Fig. 8 is the control node device wireless instructions and manual-operated emergent operation method of three-phase motor comprehensively control of the invention
Implementation process comparison.
Fig. 9 is the realization stream of the control node device wireless instructions operation method of three-phase motor comprehensively control of the invention
Journey.
Wherein: 1, data communication component, 2, three-phase motor driving part, 11, processor unit, 12, memory cell,
13, wireless transmit/receive units, 14, first power source unit, the 15, first connectivity port, 16, second connection end mouth, 21, three-phase motor just
Invert control unit, 22, control machines unit, 23, three-phase motor operating status feedback output unit, 24, SCR control
Unit, 25, manual-operated emergent control unit, 26, second power source unit, 27, control machines interface, 28, three-phase motor operation shape
State feedback output interface.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to
In the embodiment.
As shown in figs 1-9, a kind of to be applied to field crop environmental monitoring, the monitoring of crop greenhouse culture environment, livestock and poultry facility
The control node device of the three-phase motor comprehensively control of many occasions such as cultivation surroundings monitoring and aquatic products facility cultivation surroundings monitoring,
Including three-phase motor driving part 2 and data communication component 1, the control machines interface 27 and number of three-phase motor driving part 2
It is connected according to the first connectivity port 15 of communication component 1, the three-phase motor state output unit interface 28 of three-phase motor driving part 2
It is connected with second connection end mouth 16.
Data communication component 1 includes processor unit 11, memory cell 12, wireless transmit/receive units 13, the first power supply list
Member 14, the first connectivity port 15 being connected with three-phase motor driving part 2 and second connection end mouth 16,15 He of the first connectivity port
Second connection end mouth 16 is connected with the universaling I/O port pin of AVR microprocessor chip respectively.
Processor unit 11, which is used to judge and handle, to be received data packet from wireless transmit/receive units 13 and obtains the
The level value of two connectivity ports 16 is simultaneously stored in data packet to be sent as three-phase motor operating status feedback signal
Base station is fed back to, if time synchronizing signal then reset time coincidence counter, if control instruction is then to the first connectivity port
15 respective pins export a high level pulse signal, other pins remain unchanged；
1 integrated circuit of data communication component as shown in Fig. 2, processor unit 11 by AVR microprocessor chip U1 and its outer
Circuit composition is enclosed, U1 ATmegal128A, ATmegal128L or ATmegal64A, ATmegal64L, it mainly completes signal
Control, data conversion, data operation, protocol communication and algorithm process consider and entire sensor network on the software of realization
Systematic collaboration, using the micro embedded real time operating system of the TinyOS used in sensor network system, and on this platform
Using nesC language.
Memory cell 12 is mainly made of serial flash memory dies U2 and its peripheral circuit, it " SI, SO,
SCK " pin is connected with " USART1_TXD, USART1_RXD, USART1_CLK " pin of microprocessor chip U1 respectively.It can
To select different capabilities, non-volatile program and data storage of the main completion inside U1 when FLASH insufficient space
Supplement.
Radio receiving transmitting module that wireless transmit/receive units 13 are made of radio transmitting and receiving chip U3 and its peripheral circuit (including it is wireless
Dual-mode antenna) 3# and radio receiving transmitting module interface 3* composition.Radio transmitting and receiving chip U3 is work in 300-1000MHz ISM/SRD
The similar products such as CC1000, CC1020 in bandwidth range.Radio receiving transmitting module interface passes through connectivity port and microprocessor core
The Serial Peripheral Interface (SPI) of piece U1 is connected, make " SI, SO, SCLK " pin of radio transmitting and receiving chip U3 respectively with AVR microprocessor core
" SPI_MOSI, the SPI_MISO, SPI_SCLK " pin of piece U1 is connected.Antenna encapsulates spiral or straight-bar type using rubber, with
SMA interface or TNC interface are used between radio receiving transmitting module main body.It is mainly used for receiving time synchronization signal and base station control
Instruction, and the status feedback signal that three-phase motor is run is sent to base station.
First power source unit 14 is that entire data communication component 1 provides operating voltage, and first power source unit 14 is blow-up
Galvanic electricity turns direct current regulation circuit, needs to export two different DC power supply level according to application.AC power source passes through transformation
After device and rectifier bridge decompression full-bridge rectification, the first DC power supply VCC2 is converted to by U4 chip, is converted using U5 chip
Second of DC power supply VCC is converted to after processing with the components such as subsequent Switching Power Supply.
Three-phase motor driving part 2 includes three-phase motor positive and negative rotation control unit 21, control machines unit 22, three-phase electricity
Machine operating status feedback output unit 23, SCR control unit 24, manual-operated emergent control unit 25 and second power source unit 26.
In three-phase motor driving part circuit, refering to what is shown in Fig. 3, three-phase motor positive and negative rotation control unit 21 includes three-phase electricity
Machine work trunk roads and three-phase motor control trunk roads, in three-phase motor work trunk roads, rotate forward the main touching of A.C. contactor KM1
Tri- road contact of Tou is connected in series in respectively in U, V, W phase branch of three phase mains, and the three of reversion A.C. contactor KM2 main contact
Road contact is connected in series in respectively in W, V, U phase branch of three phase mains；In three-phase motor control trunk roads, it is in series with stopping
The normally closed auxiliary contact of A.C. contactor KM3, stop button SB1, A.C. contactor KM1 sucking coil, reversion ac contactor are rotated forward
The normally closed auxiliary contact of device KM2 and the rotating forward normally opened auxiliary contact of A.C. contactor KM1；Rotating forward A.C. contactor KM1 sucking coil,
After inverting the normally closed auxiliary contact of A.C. contactor KM2 and rotating forward the normally opened auxiliary contact series connection of A.C. contactor KM1, with mutual string
The reversion A.C. contactor KM2 sucking coil of connection rotates forward the normally closed auxiliary contact of A.C. contactor KM1 and reversion A.C. contactor
The normally opened auxiliary contact of KM2 is parallel with one another；Rotating forward A.C. contactor KM1 in the three-phase motor positive and negative rotation control unit 21 and anti-
Turn A.C. contactor KM2 and be respectively arranged with to add normally opened auxiliary contact；The normally closed auxiliary contact of A.C. contactor KM1 is rotated forward to lead with it
Contact, its normally opened auxiliary contact, its add the interlocking of normally opened auxiliary contact, invert the normally closed auxiliary contact of A.C. contactor KM2
With its main contact, its normally opened auxiliary contact, it adds normally opened auxiliary contact and interlocks；In three-phase motor control trunk roads,
It further include that a SCR control three-phase motor stops controlling brancher, which, which is in series with, stops A.C. contactor KM3 attraction line
Circle and silicon-controlled Q6, the both ends of silicon-controlled Q6 are parallel with rc protection circuit.
In three-phase motor driving part, in three-phase motor control trunk roads, the stop button SB1 of setting is exchanged with stopping
The normally closed auxiliary contact of contactor KM3, for controlling the sucking coil and reversion A.C. contactor that rotate forward A.C. contactor KM1
The sucking coil while on-off of KM2, realizes the stopping function of three-phase motor wireless instructions mode and manual-operated emergent mode respectively.
Three-phase motor positive and negative rotation control unit 21 is mainly made of A.C. contactor and other circuits, is exchanged using positive and negative rotation
Contactor interlocking mechanism avoids artificial maloperation damage motor device, improves motor service life controlling positive and negative rotation, and
It develops and controls convenient for software developer.
Control machines unit 22 is mainly made of triode Q1, triode Q3, triode Q5 on-off control circuit, three poles
Pipe Q1, triode Q3, triode Q5 are separately connected silicon-controlled Q2, silicon-controlled Q4, silicon-controlled Q6, by controlling triode Q1, three
Pole pipe Q3, triode Q5 on or off to conducting or block be placed in SCR control unit 24 silicon-controlled Q2, can
Control silicon Q4, silicon-controlled Q6；Control machines interface 27 using optocoupler U6-1, U6-2, U6-3 respectively with triode Q1, triode
Q3, triode Q5 connection, by three-phase motor driving part 2 and 1 light-coupled isolation of data communication component, and by the input of three optocouplers
End is connected respectively to pin " PIN33 ", " PIN35 ", " PIN37 ", a certain moment by pin " PIN33 ", " PIN35 ",
A pin in " PIN37 ", which transmits a high level pulse signal, can be realized three-phase motor wireless control directives.
Three-phase motor operating status feedback output unit 23 is connect by rotating forward exchange in three-phase motor positive and negative rotation control unit 21
Tentaculum KM1 and the additional normally opened auxiliary contact circuit composition of reversion A.C. contactor KM2 difference, two add normally opened auxiliary contact point
It is not connected on three-phase motor operating status feedback output interface 28, wherein rotating forward A.C. contactor KM1 and reversion ac contactor
One end parallel connection of device KM2 additional normally opened auxiliary contact respectively is followed by power supply VCC2, their other end is then coupled with
Pin " PIN34 " and " PIN36 ", because it is also that same A.C. contactor KM1, KM2 are synchronized respectively that two, which are added normally opened auxiliary contact,
Linkage, therefore the low and high level state by reading pin " PIN34 " and " PIN36 " is come Real-time Feedback A.C. contactor on-off
Status information, so that the working condition to three-phase motor monitors in real time.
SCR control unit 24 is mainly by being placed in the three-phase motor control silicon-controlled Q2 of trunk roads, silicon-controlled Q4, controllable
Silicon Q6 and its protection circuit composition, silicon-controlled Q2, silicon-controlled Q4, silicon-controlled Q6 control the suction for rotating forward A.C. contactor KM1 respectively
Lead circle, the sucking coil for inverting A.C. contactor KM2, the sucking coil for stopping A.C. contactor KM3 on-off realize nothing
Line mode controls the positive and negative rotation and stopping of three-phase motor.
Manual-operated emergent control unit 25 mainly controls the stop button SB1 of trunk roads by being equally placed in three-phase motor, is just opening
Dynamic button SB2, anti-start button SB3 composition, positive start button SB2, anti-start button SB3 are controlled respectively rotates forward A.C. contactor
The on-off of the sucking coil of KM1 sucking coil and reversion A.C. contactor KM2, Lai Shixian manual-operated emergent are controlling three-phase motor just
Reversion, and the stopping using stop button SB1 control three-phase motor.
Second power source unit 26 turns the scheme of direct current regulation circuit using single-phase alternating current, and single-phase alternating current is through being depressured full-bridge
VCC1 DC power supply is converted by U7 chip after rectification, provides operating voltage for entire three-phase motor driving part.
The operation method of the control node device of this three-phase motor comprehensively control realizes wireless instructions controlling mechanism and hand
Two kinds of complementary parallel control programs of control operation method of dynamic emergency flight control mechanism, control is not only flexible and convenient, but also safety can
It leans on, the workflow of wireless instructions controlling mechanism operation method is as shown in figure 9, it includes the following steps:
Step 1 three-phase motor driving part 2 and data communication component 1 power on respectively, complete software and hardware initialization, including nothing
The initialization of the parts such as line Transmit-Receive Unit 13, three-phase motor driving part specifically includes that internal storage and register are initial
Change, I/O port initialization, scheduler initialization, application component initialize and open interruption etc..Control machines interface 27
Initialization: initialization GPG port data register zero-bit, GPC port data register zero-bit and second are 0, Xiang Xiang
PIN33, PIN35 and PIN37 the output TTL low level answered.
Step 2 processor unit 11 opens three-phase motor status feedback signal transmission timer, and processor unit 11 passes through
Read the primary current value of GPG and GPC port data register, obtain PIN34 and PIN36 pin level value, and by this
Numerical value is stored in the specific data position of data packet as status feedback signal, executes step 3；And waiting system pre-control is grouped
Data packet executes step 4；
If step 3 timing arrives, processor unit 11 will be packaged three-phase motor operating status feedback signal data packet
Wireless transmit/receive units 13 are issued, then are sent to base station via the routing of wireless sensor network multi-hop ad hoc.
Step 4 processor unit 11 receives system pre-control packet data package, forwards the data packet, while broadcast point
Group establishes dynamic routing, and waiting system controls packet data package；
Step 5 processor unit 11 receives system control packet data package, forwards the data packet；
11 resolution system of step 6 processor unit controls packet data package, determines which system control is the data packet be
Instruction:
If the address for 1) receiving data packet be the ID number of this node apparatus, packet data length be CONTROL_SIZE
(2) byte is then base station control instruction.Execute dependent instruction, processing specific data bit value method it is following (execute positive starting and
The premise of anti-enabled instruction is that three-phase motor is under halted state):
1. for halt instruction, processor unit 11 is to control machines at this time if specific data bit value is 0x00
Interface 27 exports three-phase motor halt instruction, i.e. setting GPG and GPC port data register zero-bit is 0, is arranged simultaneously
GPC port data register second is 1, and it is 0 that GPC port data register second is removed after certain time that is delayed, to PIN33
TTL low level is exported with PIN35, and exports a TTL high level pulse signal to PIN37 simultaneously, CPU checks three-phase motor fortune
The motor operating state that row state feedback output interface 28 exports, if motor does not stop, repeatedly aforesaid operations；
2. be positive enabled instruction if specific data bit value is 0x01, processor unit 11 is first according to three-phase at this time
The reading information of motor operating state feedback output interface 28 judges the operating status of three-phase motor, if inverted status, then to
Control machines interface 27 first exports three-phase motor halt instruction, and CPU checks three-phase motor operating status feedback output interface 28
The motor operating state of output, if motor is still inverted status, repeat it is above-mentioned stop operation, be then delayed certain time,
Positive enabled instruction is retransmited, otherwise directly exports the positive enabled instruction of three-phase motor to control machines interface 27, wherein positive starting
It is 1 that GPG port data register zero-bit, which need to be arranged, in instruction, while GPC port data register zero-bit and second is arranged
It is 0, it is 0 that GPG port data register zero-bit is removed after certain time that is delayed, and exports a TTL high level pulse to PIN33
Signal, and TTL low level is exported to PIN35 and PIN37 simultaneously, CPU checks three-phase motor operating status feedback output interface 28
The motor operating state of output, if motor does not rotate forward, repeatedly aforesaid operations；
3., for anti-enabled instruction, processor unit 11 is first according to three-phase at this time if specific data bit value is 0x10
The reading information of motor operating state feedback output interface 28 judges the operating status of three-phase motor, if rotate forward state, then to
Control machines interface 27 first exports three-phase motor halt instruction, and CPU checks three-phase motor operating status feedback output interface 28
The motor operating state of output, if motor is still rotating forward state, repeat it is above-mentioned stop operation, be then delayed certain time,
Anti- enabled instruction is retransmited, otherwise directly exports the anti-enabled instruction of three-phase motor to control machines interface, wherein positive starting refers to
It is 0 that GPG port data register zero-bit and GPC port data register second, which need to be arranged, in order, while the port GPC is arranged
Data register zero-bit is 1, and it is 0 that GPC port data register zero-bit is removed after certain time that is delayed, to PIN35 output one
A TTL high level pulse signal, while TTL low level is exported to PIN33 and PIN37, CPU checks that three-phase motor operating status is anti-
The motor operating state that output interface 28 exports is presented, if motor does not rotate forward, repeatedly aforesaid operations；
2) if receiving data packet is base station time synchronic command.Reset time coincidence counter at this time restarts to count
When, go to step 5；
If 3) receiving data packet does not meet above-mentioned two situations, this data invalid goes to step 5.
11 resolution system of step 7 processor unit controls packet data package, and after having executed system control instruction, reads
The level value of PIN34 and PIN36 pin obtains the motor operating state letter of three-phase motor operating status feedback output interface 28
Breath is packaged the status feedback signal data packet, and the period sends three-phase motor status feedback signal, goes to step 5.
The workflow of manual-operated emergent controlling mechanism as shown in figure 8, above-mentioned three-phase motor comprehensively control control node
Step 6 in the operation method step of device can be replaced by the corresponding operating method of manual-operated emergent control mode, three-phase motor hand
Dynamic emergency flight control mode decides whether that selection uses by administrator itself；In the operating method of manual-operated emergent control mode, such as
Fruit administrator wants emergency and stops, then manual operation stop button SB1, if administrator wants the positive starting of emergency, people
Work, which first operates normally closed button SB1, stops three-phase motor, then operates positive start button SB2 again and just starts, if administrator thinks
It meets an urgent need anti-starting, then manually first operating normally closed button SB1 stops three-phase motor, and it is anti-then to operate anti-start button SB3 again
Starting.
System may be selected to take manual-operated emergent control mode under case of emergency, and which is not only wireless instructions control mode
Wireless instructions control machine may be implemented in emergency operation mechanism under unusual condition, while even more back mechanism, the i.e. control mode
The institute of system is functional.The realization degree of coupling of both control modes is extremely low, they can take con current control to act, will not be mutual
It influences, after wireless instructions mode, which controls three-phase motor, just to be started, if administrator wants to stop, he can there are two types of choosings
Select, wireless instructions control mode be attained by with manual-operated emergent control mode as effect, the operation of other situations similarly class
It pushes away, details are not described herein again.The workflow of the control mode is as shown in Figure 8.
Embodiment 1:
One case study on implementation of above-mentioned data communication component (not including first power source unit 14 and wireless transmit/receive units 13)
It can be seen that Fig. 2.It is mainly by processor unit 11, memory cell 12, the connectivity port J1 being connected with radio receiving transmitting module interface,
J2, J3, power supply unit interface J4 communicate debugging interface J5, the first connectivity port 15, and second connection end mouth 16 forms.
Microprocessor chip U1 in processor unit 11 selects 8 high-performance of AT company, low-power consumption AVR top grades micro-
Processor ATmega128L.It has advanced risc architecture, and highest 8MHz working frequency, most of instructions are in one cycle
It completes, arithmetic speed is high；128kFlash, 4kSRAM and 4kEEPROM in piece；Support 6 kinds of sleeps such as battery saving mode, power-down mode
Mode；With a variety of buses and sufficient input/output interface；With A/D, D/A interface；Wide work electricity with 2.7V-5.5V
Press range；With the jtag interface compatible with 1149.1 standard of IEEE.
Serial flash memory dies U2 in memory cell 12 selects the 4M flash AT45DB041B of AT company,
Its " 8,1,2 " pin is connected with " 27,28,30 " pin of microprocessor chip U1 respectively.
Communicate JTAG of the data line of debugging interface J5 after resistance " R11~R14 " pull-up with microprocessor chip U1
Interface is connected, its " 1,3,5,9 " pin is connect with " 57,56,55,54 " pin of microprocessor chip U1 respectively.
" 1 " of first connectivity port 15, " 2 ", " 3 " pin respectively with " 33 " of processor chips U1, " 35 ", " 37 " pin
Connection；" 1 " of second connection end mouth 16, " 2 " pin are connect with " 34 " of processor unit U1, " 36 " pin respectively.
Radio transmitting and receiving chip U3 in wireless transmit/receive units 13 selects Chipcon company to produce CC1000.It has Gao Ling
Sensitivity (general -109dbm)；Low suppling voltage (2.3V~3.6V)；Extremely low power dissipation；It is worked in this example in 433MHz frequency range.It
" 23 " of U3, " 24 " pin are made to be connected respectively with " 12 and 13 " of U1, " 11 " pin by connectivity port J1.Antenna uses rubber
It encapsulates and uses SMA interface between spiral external, with radio receiving transmitting module main body.
First power source unit 14 turns direct current regulation circuit scheme using single-phase alternating current, and single-phase AC voltage passes through transformation
After device decompression and rectifier bridge full-bridge rectification ,+5.0V direct current is converted into through the input of U4 chip L78L05AB pin 3 and the output of pin 1
Power supply, then it is converted into+3V DC power supply through the input of U5 chip LP2950C-3.0 pin 3 and the output of pin 1, by power switch
S1 exports VCC DC power supply.First power source unit 14 is by connectivity port J2, J4, J5 respectively to each of data communication component
Unit power supply.
After device debugging success, the tie point between each unit interface is welded.
The temperature range of selected chip is as follows on data communication component 1: processor chips U1 is -55 DEG C to+125 DEG C；String
Row flash memory dies U2 is -40 DEG C to+85 DEG C；Radio transmitting and receiving chip U3 in radio receiving transmitting module is -40 DEG C and arrives+85
℃；U4 and tri- end power supply voltage stabilizing chip of U5 are -40 DEG C to+125 DEG C in first power source unit 14.This makes data communication component
It can work in -40 DEG C to+85 DEG C of environment.
Embodiment 2:
One case study on implementation of three-phase motor driving part can be found in attached drawing 3, it is mainly controlled by three-phase motor positive and negative rotation
Unit 21, control machines unit 22, control machines interface 27, three-phase motor operating status feedback output unit 23, three-phase
Motor operating state feedback output interface 28, control machines unit 22, manual-operated emergent control unit 25 and second power source unit
26 compositions.
The circuit of three-phase motor positive and negative rotation control unit 21 is as shown in figure 4, include three-phase motor work trunk roads and three-phase
Motor control trunk roads, the input terminal of three-phase motor positive and negative rotation control unit 21 connect three phase mains, and output end connects three-phase electricity
Machine, in three-phase motor work trunk roads, the three road contacts for rotating forward A.C. contactor KM1 main contact are connected in series in three-phase respectively
In U, V, W phase branch of power supply, three road contacts of reversion A.C. contactor KM2 main contact are connected in series in three phase mains respectively
W, in V, U phase branch；In three-phase motor control trunk roads, it is in series with and stops the normally closed auxiliary contact of A.C. contactor KM3, stopping
Button SB1, rotating forward A.C. contactor KM1 sucking coil, the normally closed auxiliary contact of reversion A.C. contactor KM2 and rotating forward exchange connect
The normally opened auxiliary contact of tentaculum KM1；Rotate forward A.C. contactor KM1 sucking coil, the reversion normally closed auxiliary contact of A.C. contactor KM2
And rotate forward A.C. contactor KM1 normally open contact series connection after, with the reversion A.C. contactor KM2 sucking coil being serially connected,
It rotates forward the normally closed auxiliary contact of A.C. contactor KM1 and the reversion normally opened auxiliary contact of A.C. contactor KM2 is parallel with one another；Three-phase electricity
Rotating forward A.C. contactor KM1 in machine positive and negative rotation control unit 21 and reversion A.C. contactor KM2 be respectively arranged with add it is normally opened
Auxiliary contact；Rotate forward the normally closed auxiliary contact of A.C. contactor KM1 and its main contact, its normally opened auxiliary contact, its add it is normally opened auxiliary
Contact is helped to interlock, the reversion normally closed auxiliary contact of A.C. contactor KM2 and its main contact, its normally opened auxiliary contact, it is additional
Normally opened auxiliary contact interlocking；It further include that a SCR control three-phase motor stops in three-phase motor control trunk roads
Controlling brancher, which is in series with stopping A.C. contactor KM3 sucking coil and silicon-controlled Q6, the both ends of silicon-controlled Q6 are parallel with
Rc protection circuit.
In three-phase motor control trunk roads, the stop button SB1 of setting and the normally closed auxiliary for stopping A.C. contactor KM3
Contact, the sucking coil for controlling the sucking coil and reversion A.C. contactor KM2 that rotate forward A.C. contactor KM1 lead to simultaneously
It is disconnected, the stopping function of three-phase motor wireless instructions mode and manual-operated emergent mode is realized respectively.
" PIN33 " of control machines interface 27, " PIN35 " and " PIN37 " pin pass through the first connectivity port 15 and distinguish
It is connected with " 33 " of microprocessor chip U1, " 35 " and " 37 " pin；Three-phase motor operating status feedback output interface 28
" PIN34 " and " PIN36 " pin by second connection end mouth 16 respectively with " 34 " of microprocessor chip U1 and " 36 " pin phase
Even.
In control machines unit 22, as shown in fig. 6, triode Q1, triode Q3 and triode Q5 select general half
Conductor device 8050, the emitter of triode is corresponding with silicon-controlled gate pole respectively to be connected, by controlling leading for some triode
It is logical or end be connected or block be placed in it is corresponding silicon-controlled in three-phase alternating current control circuit.
In control machines interface 27, as shown in figure 5, photoelectrical coupler U6 selects TLP521, three optocouplers of U6 are defeated
The base stage that outlet passes through after resistance R current limliting with triode Q1, triode Q3, triode Q5 respectively is respectively connected with.It is mainly used for
By the transmitting of three-phase motor driving part and the light-coupled isolation of data communication component and completion three-phase motor wireless control directives.
Three-phase motor operating status feedback output unit 23 connects three-phase motor positive and negative rotation control unit 21, for detecting three-phase
The on-off of motor positive and inverse control unit 21 to obtain the working condition of three-phase motor, by rotate forward A.C. contactor KM1 and
It is connected on VCC2 power supply after one end of reversion A.C. contactor KM2 additional normally opened auxiliary contact respectively is in parallel, this is two additional
The output end of normally opened auxiliary contact is coupled with pin " PIN34 " and " PIN36 ", obtains the low and high level transition of unit output
To three-phase motor positive and negative rotation or start and stop state can be respectively represented；
In SCR control unit 24, as shown in Fig. 7 (a), it is placed in three-phase motor control trunk roads and is connected in parallel on respectively
Rotate forward A.C. contactor KM1, reversion A.C. contactor KM2, stop the silicon-controlled Q2 at the both ends A.C. contactor KM3, silicon-controlled Q4,
Silicon-controlled Q6 selects BTA5-600BW, maximum allowable to can satisfy the demand of most applications by electric current 26A,
And in silicon-controlled both ends rc protection circuit in parallel, silicon-controlled breakdown burn out is protected.
In manual-operated emergent control unit 25, as shown in Fig. 7 (b), three-phase motor control is entered using stop button SB1 series connection
In trunk roads processed, positive start button SB2, anti-start button SB3 are connected in parallel on the both ends positive and negative rotation A.C. contactor KM1, KM2 respectively
On, to complete the on-off and the conversion of positive negative-phase sequence of emergency flight control three-phase motor work trunk roads.
According to the characteristic of 21 circuit theory of three-phase motor positive and negative rotation control unit, it is only necessary to SCR control unit 24 or hand
Dynamic emergency flight control unit 25 provides the trigger signal of a connection, and their triggering to three-phase motor control trunk roads
Signal is that a specific high level pulse signal and normally opened button closure are primary respectively.
Second power source unit 26 turns+12V (VCC1) direct current regulation circuit scheme, three selected ends using single-phase alternating current
Voltage-stablizer U7 is L78L12AB；VCC2 DC power supply used in three-phase motor operating status feedback output interface 28 is+5V, by
The first power source unit 14 (see embodiment 1) of data communication component provides.
The temperature range of selected chip is as follows on three-phase motor driving part: three terminal regulator U7 chip L78L12AB be-
40 DEG C Dao+125 DEG C；Photoelectrical coupler chip TLP521 is -55 DEG C to+100 DEG C；Triode 8050 is -55 DEG C to+135 DEG C；It can
Controlling silicon BTA26BW is -40 DEG C to+125 DEG C.This makes three-phase motor driving part that can work in -40 DEG C to+85 DEG C of environment
In.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (1)
1. a kind of control node device operation method of three-phase motor comprehensively control, wherein control node device includes data communication
Component (1) and three-phase motor driving part (2), the data communication component (1) include processor unit (11), memory list
First (12), wireless transmit/receive units (13) and first power source unit (14), the three-phase motor driving part (2) includes three-phase electricity
It is machine positive and negative rotation control unit (21), control machines unit (22), three-phase motor operating status feedback output unit (23), controllable
Silicon control unit (24), manual-operated emergent control unit (25) and second power source unit (26)；The processor unit (11) uses
AVR microprocessor chip, for packaged data to wireless transmit/receive units (13) and the network received to wireless transmit/receive units (13)
Data packet is stored, is analyzed, handled and is made control decision, to complete the control to three-phase motor；The memory list
First (12) are connect with the processor unit (11), and the memory cell (12) is as internal in the processor unit (11)
The supplement of non-volatile program and data storage in the case of memory space inadequate；The wireless transmit/receive units (13) use low function
The wireless receiving and dispatching communication chip of consumption passes through spi bus and the processor as processing chip, the wireless transmit/receive units (13)
Unit (11) is connected, and the wireless transmit/receive units (13) are used to receive the number comprising time synchronizing signal or base station control instruction
According to packet, the wireless transmit/receive units (13) also send the data packet comprising three-phase motor operating status feedback signal to base station；Institute
Stating first power source unit (14) is that entire data communication component (1) provides working power；
The three-phase motor positive and negative rotation control unit (21) is used to control the on-off and phase sequence of three-phase motor work trunk roads, thus
Control the start and stop and positive and negative rotation of three-phase motor；Control machines interface (27) is connect with the control machines unit (22), institute
Control machines unit (22) is stated to connect with the SCR control unit (24), the SCR control unit (24) with it is described
Three-phase motor positive and negative rotation control unit (21) connection, by control machines interface (27) input high level pulse signal conduction or
Block the three-phase motor positive and negative rotation control unit (21)；
The three-phase motor operating status feedback output unit (23) connect with the three-phase motor positive and negative rotation control unit (21),
The three-phase motor operating status feedback output unit (23) is for detecting the three-phase motor positive and negative rotation control unit (21)
On-off, to obtain the working condition of three-phase motor；
The manual-operated emergent control unit (25) connect with the three-phase motor positive and negative rotation control unit (21), is just being opened by setting
Dynamic, counter to start and stop emergency button, the on-off and phase sequence for manual-operated emergent control three-phase motor work trunk roads are to answer
The positive and negative rotation and stopping of anxious control three-phase motor；The second power source unit (26) is that entire three-phase motor driving part (2) mentions
For working power；
The data communication component (1) includes the first connectivity port (15) and second connection end mouth (16), the three-phase motor
Driving part (2) includes three-phase motor operating status feedback output interface (28), first connectivity port (15) and controllable
Silicon triggers interface (27) and is connected, the second connection end mouth (16) and three-phase motor operating status feedback output interface (28) phase
Even；
The control machines unit (22) includes triode Q1, triode Q3 and triode Q5, the triode Q1, three poles
Pipe Q3 and triode Q5 is connect with silicon-controlled Q2, silicon-controlled Q4 and silicon-controlled Q6 respectively, by controlling triode Q1, triode Q3
The conducting and blocking of silicon-controlled Q2, silicon-controlled Q4, silicon-controlled Q6 are controlled with the on and off of triode Q5, it is described controllable
It includes optocoupler U6-1, optocoupler U6-2 and optocoupler U6-3, the optocoupler U6-1, optocoupler U6-2 and optocoupler that silicon, which triggers interface (27),
U6-3 is connect with triode Q1, triode Q3 and triode Q5 respectively, and the optocoupler U6-1, optocoupler U6-2 and optocoupler U6-3 are used
In the transmitting for completing three-phase motor wireless control directives；
The three-phase motor operating status feedback output unit (23) includes rotating forward A.C. contactor KM1 and reversion A.C. contactor
KM2 distinguishes additional normally opened auxiliary contact, rotates forward A.C. contactor KM1 and reversion A.C. contactor KM2 difference is additional normally opened
Auxiliary contact is connected on second connection end mouth (16), by the electricity for obtaining three-phase motor operating status feedback output unit (23)
Pressure information carrys out the respective on off operating mode that Real-time Feedback rotates forward A.C. contactor KM1, inverts A.C. contactor KM2, thus to three-phase
The working condition of motor is monitored in real time,
The SCR control unit (24) and the manual-operated emergent control unit (25) respectively with the three-phase motor positive and negative rotation
Control unit (21) connection realizes that wireless instructions and manual-operated emergent two ways concurrently flexibly control the positive and negative of three-phase motor respectively
Turn and start stop operation；
The three-phase motor positive and negative rotation control unit (21) includes that three-phase motor work trunk roads and three-phase motor control trunk roads,
In three-phase motor work trunk roads, the three road contacts for rotating forward A.C. contactor KM1 main contact are connected in series in three-phase electricity respectively
In U, V, W phase branch in source, reversion A.C. contactor KM2 main contact three road contacts be connected in series in respectively three phase mains W,
V, in U phase branch；In three-phase motor control trunk roads, be in series with stop the normally closed auxiliary contact of A.C. contactor KM3, stop by
Button SB1, A.C. contactor KM1 sucking coil, the normally closed auxiliary contact of reversion A.C. contactor KM2 are rotated forward and rotates forward ac contactor
The normally opened auxiliary contact of device KM1；Rotate forward A.C. contactor KM1 sucking coil, the normally closed auxiliary contact of reversion A.C. contactor KM2 and
After rotating forward A.C. contactor KM1 normally opened auxiliary contact series connection, with the reversion A.C. contactor KM2 sucking coil being serially connected, just
Turn the normally closed auxiliary contact of A.C. contactor KM1 and the reversion normally opened auxiliary contact of A.C. contactor KM2 is parallel with one another；The three-phase
Rotating forward A.C. contactor KM1 and reversion A.C. contactor KM2 in motor positive and inverse control unit (21) are respectively arranged with additional
Normally opened auxiliary contact；Rotate forward that the normally closed auxiliary contact of A.C. contactor KM1 and its main contact, its normally opened auxiliary contact, it is additional normal
Open auxiliary contact interlocking, reversion the normally closed auxiliary contact of A.C. contactor KM2 and its main contact, its normally opened auxiliary contact, its
Add normally opened auxiliary contact interlocking；It further include a SCR control three-phase motor in three-phase motor control trunk roads
Stop controlling brancher, which, which is in series with, stops A.C. contactor KM3 sucking coil and silicon-controlled Q6, and the both ends of silicon-controlled Q6 are simultaneously
Rc protection circuit is associated with,
The SCR control unit (24) includes silicon-controlled Q2, silicon-controlled Q4 and silicon-controlled Q6, silicon-controlled Q2, silicon-controlled Q4,
Silicon-controlled Q6 pass through respectively control rotate forward A.C. contactor KM1 sucking coil, invert A.C. contactor KM2 sucking coil,
Stop the on-off of the sucking coil of A.C. contactor KM3 to realize the positive and negative rotation and stopping of wireless instructions control three-phase motor, institute
Stating manual-operated emergent control unit (25) includes positive start button SB2, anti-start button SB3 and stop button SB1, positive start button
SB2 and anti-start button SB3 controls the sucking coil for rotating forward A.C. contactor KM1, the attraction for inverting A.C. contactor KM2 respectively
The on-off of coil, Lai Shixian manual-operated emergent control the positive and negative rotation of three-phase motor, and stop button SB1 controls the stopping of three-phase motor；
The operation method, which is characterized in that wireless instructions control the positive and negative rotation of three-phase motor and stop operation, including walk as follows
It is rapid:
Step 1: data communication component (1) and three-phase motor driving part (2) power on respectively, complete software and hardware initialization；
Step 2: processor unit (11) opens three-phase motor status feedback signal transmission timer, executes step 3；And it waits and is
System pre-control packet data package, executes step 4；
Step 3: if timing arrives, processor unit (11) will be packaged three-phase motor operating status feedback signal data packet hair
It gives wireless transmit/receive units (3), then is sent to base station via wireless sensor network self-organizing routing；
Step 4: processor unit (11) receives system pre-control packet data package, forwards the data packet, while broadcast point
Group establishes dynamic routing, and waiting system controls packet data package；
Step 5: processor unit (11) receives system control packet data package, forwards the data packet；
Step 6: processor unit (11) resolution system controls packet data package, determines that the control of system corresponding to the data packet refers to
It enables:
1) if receiving system control packet data package is base station control instruction, the data packet of packet data package is controlled according to system
Numerical value is judged:
(1) if it is halt instruction, processor unit (11) exports three-phase motor halt instruction to control machines interface (27)；
(2) if being positive enabled instruction, processor unit (11) is first according to three-phase motor operating status feedback output interface (28)
Reading information judge that the operating status of three-phase motor then first exports three to control machines interface (27) if inverted status
Phase motor halt instruction determines and is delayed certain time after motor stops, positive enabled instruction retransmited, otherwise directly to silicon-controlled touching
It sends out interface (27) and exports the positive enabled instruction of three-phase motor；
(3) if it is anti-enabled instruction, processor unit (11) is first according to three-phase motor operating status feedback output interface (28)
Reading information judge the operating status of three-phase motor, if the state of rotating forward, then first export three to control machines interface (27)
Phase motor halt instruction determines and is delayed certain time after motor stops, anti-enabled instruction retransmited, otherwise directly to silicon-controlled touching
It sends out interface (27) and exports the anti-enabled instruction of three-phase motor；
2) if receiving system control packet data package is base station time synchronic command, reset time coincidence counter is opened again
Beginning timing, goes to step 5；
If 3) received, 1) data packet is not met and 2) two kinds of situations, this data invalid go to step 5；
Step 7: processor unit (11) resolution system controls packet data package, and after having executed system control instruction, reads three
The motor operating state feedback signal of phase motor operating state feedback output interface (28), the period is sent to base station after packing, turns
To step 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712972.2A CN106100456B (en) | 2016-08-23 | 2016-08-23 | A kind of the control node device and operation method of three-phase motor comprehensively control |
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| JP6673949B2 (en) * | 2018-01-29 | 2020-04-01 | ファナック株式会社 | Motor drive device and determination method |
| CN109551484B (en) * | 2019-01-21 | 2022-03-29 | 深圳镁伽科技有限公司 | Method, device and system for processing motion parameters and storage medium |
| CN112897264A (en) * | 2021-01-19 | 2021-06-04 | 亚洲富士电梯股份有限公司 | Elevator speed control system |
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| JP2005027486A (en) * | 2003-07-04 | 2005-01-27 | Denko Kogyo Kk | Star-delta starting device for induction motor |
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| CN200953535Y (en) * | 2006-09-26 | 2007-09-26 | 高子泉 | Motor remoto-control controlling device |
| CN101329574A (en) * | 2008-07-25 | 2008-12-24 | 东南大学 | Single-phase control node apparatus of wireless sensor network |
| CN102386942A (en) * | 2011-05-19 | 2012-03-21 | 东南大学 | Single/three-phase control node device of wireless sensor network |
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