CN106877756A - Team control motor based on CAN drives door system - Google Patents
Team control motor based on CAN drives door system Download PDFInfo
- Publication number
- CN106877756A CN106877756A CN201710170396.8A CN201710170396A CN106877756A CN 106877756 A CN106877756 A CN 106877756A CN 201710170396 A CN201710170396 A CN 201710170396A CN 106877756 A CN106877756 A CN 106877756A
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- CN
- China
- Prior art keywords
- circuit
- pin
- motor
- door system
- team control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Door system is driven the invention discloses a kind of team control motor based on CAN.It includes control circuit, main circuit, power supply, alarm lamp, motor, CAN, terminal device and upper management system；The present invention effectively improves the security and stability of team control electrically operated gate, system rejection to disturbance ability and tamper resistance ability, solves system-operating environment limitation.CAN Networking Design safety, real-time are good, it is easy to cross over site environment obstacle, and anti-interference, survivability is strong, and network delay is low, and carry network node is more；Switching Power Supply prevents power-off unexpected with battery dual power mode, it is ensured that system operation continuation；Motor driving electrically operated gate ensures door body mechanical structure operation anti-false locking in place, and power-off does not influence security performance；Motor overcurrent detects alarm module, prevents motor rotation blockage, improves security of system；Additionally, applicant also adds upper management system, made by the man-machine interface of local area network communication simple to operate, it is handy to manage.
Description
Technical field
A kind of electrically operated gate of present invention design, more particularly to a kind of team control door system.
Background technology
Door system is used widely in the every field such as industry and business.Existing door system is generally divided into
Electromagnet electrically operated gate, the team control electrically operated gate of 485 buses and Wireless Networking team control electrically operated gate three types.Electromagnet electrically operated gate needs
Continued power, once system cut-off is out of hand, easily opens, and security of system is low.Additionally, such electrically operated gate need to be closed manually
Position, easily false lock.Team control electrically operated gate based on 485 buses, due to 485 bus half-duplex operations, polling mode communication and energy carry
Child node quantity the characteristics of wait less, cause electrically operated gate reaction speed slow, communication interval is long and needs multilayer networking, causes system
Heavy, system architecture is huge.Wireless Networking team control electrically operated gate uses Wireless Networking form control, its Wireless Networking security
And poor anti jamming capability so that system easily causes network paralysis, security by hacker attacks or when running into high-power interference
And stability is low；Secondly, Wireless Networking ability through walls is weak, runs into solid obstacle（Such as prison wall）When signal be difficult to wear
More；Again, Wireless Networking real-time performance is poor, there is network blockage, delay issue；Finally, wireless networking hardware power consumption is high, its road
Need to power by node time instance and could maintain route service, once power-off easily causes a whole set of network paralysis, reduce system stabilization
Property.
The content of the invention
It is an object of the present invention to provide a kind of team control motor based on CAN of stabilization drives door system.This
Invention can effectively improve the safety and stability of team control electrically operated gate, improve system rejection to disturbance ability and tamper resistance ability；Solution
Certainly system-operating environment limitation, can come into operation in the case where there is solid obstacle environment.Additionally, the monitoring system based on CAN
System, can be made by the monitoring human-computer interface of local area network communication it is simple to operate, manage it is handy.In addition, applicant is also in electricity
Source module uses Switching Power Supply and battery duplicate supply system, prevents power-off suddenly unexpected, it is ensured that the continuation of system operation.
Technical scheme：Team control motor based on CAN drives door system, including control circuit, master
Circuit, battery and Switching Power Supply, alarm lamp, DC speed-reducing, CAN, terminal device and the upper pipe of computer
Eight units of reason system；Battery and Switching Power Supply are connected with main circuit and control circuit, main circuit and alarm lamp and direct current
Reducing motor is connected, and control circuit is connected with main circuit and CAN respectively, and control circuit, terminal device and computer pass through
CAN is connected.Wherein control circuit includes embedded scm, bus driving circuits and signal conditioning circuit, main circuit bag
Electric power management circuit, H-bridge drive circuit, direct current generator H-bridge circuit, alarm warning lamp drive circuit and overcurrent sensing circuit are included,
As shown in Figure 1.H-bridge drive circuit is made up of 74HC00D and IR2104, the PWM output pins of single-chip microcomputer（77th, 78 pin）Access four tunnels
NAND gate 74HC00D does drive signal buffering, is then connected with IN, SD end of IR2104（2nd, 3 pin）It is controlled to export, IR2104
Output end（7 pin）String resistance accesses direct current generator H-bridge circuit, as shown in Figure 2；Direct current generator H-bridge circuit is by 4 FETs
Composition, its overall output end connection motor drive output, is connected, as shown in Figure 3 with motor；Alarm circuit for lamp is by MOSFET
Drive circuit and interface circuit are constituted, SCM PWM signal output pin（79th, 80 pin）PC817 access ports are accessed, through light-coupled isolation
Driving FET, drives alarm LED on outside 24V alarm lamps and plate, such as Fig. 4 institutes by the on-off action of FET
Show；Overcurrent sensing circuit is built by Hall linear current sensing IC ACS712, the current detecting end of ACS712（1,2,3,
4 pin）Seal in motor forward drive line, output signal line（7 pin）Signal conditioning circuit is accessed, as shown in Figure 5；Signal conditioning circuit
It is made up of two-way operational amplifier LM358, ACS output signals string resistance accesses LM358 amplifier positive input terminals（3 pin）, amplifier bear
Input string resistance is grounded, and Chip Microcomputer A/D C interface is accessed through two grades of amplifier output signals（15 pin）, as shown in Figure 6；CAN
Drive circuit is made up of TJA1050, and CAN is converted to the level signal that single-chip microcomputer can bear after accessing TJA1050, accesses single
Piece machine hardware CAN interface pin（53rd, 54 pin）, as shown in Figure 7；Single-chip microcomputer main system is by MK10D single-chip microcomputers, crystal oscillating circuit, multiple
Position circuit composition, it is the active crystal oscillators of 50MHz that oikocryst shakes, and output end accesses the pin of single-chip microcomputer 40, and RTC clock crystal oscillator is 32.768KHz
Single-chip microcomputer 23,24 pin are accessed through two filter capacitors, reset circuit constitutes the access pin of single-chip microcomputer 42 by resistance capacitance button.Single-chip microcomputer
Internal hardware CAN protocol interface is connected with CAN drivers TJA1050, and CAN network is accessed after level, protocol conversion, real
Existing single-chip microcomputer and CAN network service；Hall linear current sensing IC ACS712 is sealed in motor driver circuit, its output
Linear signal accesses Chip Microcomputer A/D C after LM358 twice amplifier, and current motor electric current is estimated by reading ADC values, prevents electricity
Electric current excessive motor damage during machine stall；After anode string resistance ground connection partial pressure, single-chip microcomputer is accessed after LM358 twice amplifier
ADC, have ADC read value be inserted in electric resistance partial pressure ratio can backwards calculation go out current battery level；Single-chip microcomputer is defeated by two-way PWM
Go out, buffered through 74HC00D, access half-bridge driver IR2104, then access H bridges, realize motor positive and inverse control and adjusted by PWM
Speed；Single-chip microcomputer is exported by PWM, and field-effect management and control system alarm lamp on/off and brightness are controlled after light-coupled isolation.
Had the following effects that than the present invention with prior art.
（1）The present invention uses computer-internal local area network building, and security is good, it is easy to cross over site environment obstacle, resists dry
Disturb ability strong, survivability is strong.
（2）The present invention uses CAN agreement, and real-time is good, network delay is low, and carry network node is more.
（3）The present invention is driven using motor, it can be ensured that door body mechanical structure is run in place, anti-false locking.
（4）The design has external power source and internal battery dual power supply, and grid cut-off is to whole system function and peace
Quan Xingwu influences, and can be charged a battery automatically when externally fed recovers.
（5）Applicant sets motor overcurrent detection means in systems, when door be obstructed in motion process can and Times
It is alert, prevent motor rotation blockage motor damage.
Brief description of the drawings
Fig. 1 is system structure diagram of the invention.
Fig. 2 is H-bridge drive circuit.
Fig. 3 is direct current generator H-bridge circuit.
Fig. 4 is alarm circuit for lamp, wherein 1 is MOSFET drive circuits, 2 is alarm lamp interface circuit.
Fig. 5 is overcurrent sensing circuit.
Fig. 6 is signal conditioning circuit.
Fig. 7 is CAN drive circuit.
Specific embodiment
With reference to example, the present invention is described in further detail, but not as limitation of the invention.
Embodiment：A kind of team control motor based on CAN drives door system, as shown in Figure 1, including control electricity
Road, main circuit, battery and Switching Power Supply, alarm lamp, DC speed-reducing, fieldbus, terminal device and computer
Eight units；Its described control circuit includes embedded scm, bus driving circuits and signal conditioning circuit, and main circuit includes
Electric power management circuit, H-bridge drive circuit, direct current generator H-bridge circuit, alarm warning lamp drive circuit and overcurrent sensing circuit；Store
Battery and Switching Power Supply are connected with main circuit and control circuit, and main circuit is connected with alarm lamp and DC speed-reducing, control
Circuit is connected with main circuit and fieldbus respectively, and terminal device and computer are connected with fieldbus, and each floor monitoring is calculated
Machine is connected by LAN with senior management computer.
Single-chip microcomputer internal hardware CAN protocol interface is connected with CAN drivers TJA1050, is accessed after level, protocol conversion
CAN network, realizes single-chip microcomputer and CAN network service, and Hall linear current sensing IC is sealed in motor driver circuit
ACS712, the linear signal of its output accesses Chip Microcomputer A/D C after LM358 twice amplifier, is estimated currently by reading ADC values
Current of electric, electric current excessive motor damage when preventing motor rotation blockage；After anode string resistance ground connection partial pressure, through LM358 twice
After amplifier access Chip Microcomputer A/D C, have ADC read value be inserted in electric resistance partial pressure ratio can backwards calculation go out current battery level；It is single
Piece machine is exported by two-way PWM, is buffered through 74HC00D, accesses half-bridge driver IR2104, then accesses H bridges, realizes that motor is positive and negative
Turn to control and by PWM speed governing；Single-chip microcomputer is exported by PWM, and field-effect management and control system alarm lamp on/off is controlled after light-coupled isolation
And brightness.
Claims (8)
1. the team control motor based on CAN drives door system, it is characterised in that：Including control circuit, main circuit, electric power storage
Pond and Switching Power Supply, alarm lamp, DC speed-reducing, CAN fieldbus, terminal device and the upper management system of computer
System；Battery and Switching Power Supply are connected with main circuit and control circuit, and main circuit is connected with alarm lamp and DC speed-reducing,
Control circuit is connected with main circuit and fieldbus respectively, and terminal device and computer are connected with fieldbus, each floor monitoring
Computer is connected by LAN with senior management computer；Control circuit include embedded scm, bus driving circuits and
Signal conditioning circuit；Main circuit includes that electric power management circuit, H-bridge drive circuit, direct current generator H-bridge circuit, alarm warning lamp drive
Circuit and overcurrent sensing circuit.
2. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：It is described
The upper management system of computer, host computer solves the problems, such as network delay and network security by internal lan networking,
So that door system is easy to real-time monitoring and control.
3. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：It is described
Fieldbus be CAN networking, security is good, it is easy to cross over site environment obstacle, strong antijamming capability, survivability
By force, real-time is good, network delay is low, and carry network node is more；CAN drive circuit is made up of TJA1050, and CAN connects
The level signal that single-chip microcomputer can bear is converted to after entering TJA1050, single-chip microcomputer hardware CAN interface pin is accessed（53rd, 54 pin）；It is single
Piece machine inside CAN protocol interface is connected with CAN drivers TJA1050, and CAN network is accessed after level, protocol conversion, real
Existing single-chip microcomputer and CAN network service.
4. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：Pass through
The mode of motor realizes switch gate, rather than electromagnet or mechanical structure, it can be ensured that door body mechanical structure is run in place, prevents
Vacation lock, power-off does not influence security performance.
5. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：Electric power storage
Pond does not influence system operation with externally fed dual power supply and with power-supply management system when external power source accident power-off,
Can be charged a battery when external power source recovers.
6. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：Carry
Motor overcurrent detects circuit, prevents motor rotation blockage from burning, and the situation of being obstructed of motor operation can be reported into network in time and led to
Cross alarm lamp prompting；SCM PWM signal output pin（79th, 80 pin）PC817 access ports are accessed, field-effect is driven through light-coupled isolation
Pipe, alarm LED on outside 24V alarm lamps and plate is driven by the on-off action of FET.
7. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：H bridges drive
Dynamic circuit is made up of 74HC00D and IR2104, the PWM output pins of single-chip microcomputer（77th, 78 pin）Four tunnel NAND gate 74HC00D are accessed to do
Drive signal is buffered, and is then connected with IN, SD end of IR2104（2nd, 3 pin）It is controlled to export, the output end of IR2104（7 pin）String
Resistance accesses direct current generator H-bridge circuit；Direct current generator H-bridge circuit is made up of 4 FETs, its overall output end connection motor
Drive output, is connected with motor.
8. the team control motor based on CAN according to claim 1 drives door system, it is characterised in that：Cross electricity
Current detection circuit is built by Hall linear current sensing IC ACS712, the current detecting end of ACS712（1,2,3,4 pin）String
Enter motor forward drive line, output signal line（7 pin）Access signal conditioning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170396.8A CN106877756A (en) | 2017-03-21 | 2017-03-21 | Team control motor based on CAN drives door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170396.8A CN106877756A (en) | 2017-03-21 | 2017-03-21 | Team control motor based on CAN drives door system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877756A true CN106877756A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170396.8A Pending CN106877756A (en) | 2017-03-21 | 2017-03-21 | Team control motor based on CAN drives door system |
Country Status (1)
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| CN (1) | CN106877756A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947108A (en) * | 2017-12-27 | 2018-04-20 | 四川赛科安全技术有限公司 | Over-current detection applied to fire alarm control system protects circuit and implementation method |
| CN110601625A (en) * | 2019-09-19 | 2019-12-20 | 中国核动力研究设计院 | Reactor key electric valve motor low-voltage ride-through control method and controller |
| CN111221277A (en) * | 2018-11-23 | 2020-06-02 | 中国科学院沈阳自动化研究所 | Propulsion control system and method for full-sea-depth autonomous remote-control submersible vehicle |
| CN112769363A (en) * | 2020-12-30 | 2021-05-07 | 四川工商学院 | Fire monitor motor drive and protection circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947108A (en) * | 2017-12-27 | 2018-04-20 | 四川赛科安全技术有限公司 | Over-current detection applied to fire alarm control system protects circuit and implementation method |
| CN111221277A (en) * | 2018-11-23 | 2020-06-02 | 中国科学院沈阳自动化研究所 | Propulsion control system and method for full-sea-depth autonomous remote-control submersible vehicle |
| CN110601625A (en) * | 2019-09-19 | 2019-12-20 | 中国核动力研究设计院 | Reactor key electric valve motor low-voltage ride-through control method and controller |
| CN112769363A (en) * | 2020-12-30 | 2021-05-07 | 四川工商学院 | Fire monitor motor drive and protection circuit |
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Application publication date: 20170620 |
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