CN105159332A - Electronic cam limiter - Google Patents

Electronic cam limiter Download PDF

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Publication number
CN105159332A
CN105159332A CN201510624564.7A CN201510624564A CN105159332A CN 105159332 A CN105159332 A CN 105159332A CN 201510624564 A CN201510624564 A CN 201510624564A CN 105159332 A CN105159332 A CN 105159332A
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CN
China
Prior art keywords
circuit
micro
control circuit
connects
pulse
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
Application number
CN201510624564.7A
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Chinese (zh)
Inventor
裴静
钱敏冲
须文雅
裴柯鑫
唐霖涛
顾海彬
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JIANGSU XISHAN SPECIALIZED SECONDARY SCHOOL
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JIANGSU XISHAN SPECIALIZED SECONDARY SCHOOL
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Priority to CN201510624564.7A priority Critical patent/CN105159332A/en
Publication of CN105159332A publication Critical patent/CN105159332A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electronic cam limiter, comprising a limiter body, a key set, a pulse detection circuit, a micro control circuit, a Nixie tube display circuit, a power circuit and a communication module. A grating disc is arranged on a driven gear of a gear set in the limiter body, euphotic lattices are arranged on each circle of the grating disc, and each circle of pulse signal is detected by the pulse detection signal; the key set is connected with the micro control circuit; the output end of the pulse detection circuit is connected with the input end of the micro control circuit; the input end of the Nixie tube display circuit is connected with the output end of the micro control circuit; the power circuit is connected with the micro control circuit and the Nixie tube display circuit; and the communication module is connected with the micro control circuit. The electronic cam limiter is simple in structure, easy to operate, high in accuracy, stable in operation and low in cost, and therefore is suitable for popularization and application.

Description

A kind of electric cam stop
Technical field
The present invention relates to a kind of cam stop, particularly relate to a kind of electric cam stop.
Background technology
At present, need to come downwards to the certain distance of the water surface at the large-scale water conservancy environmental protection equipment equipment such as such as to grab bucket and carry out operation.Due to the descending control put in place cannot be realized by mounting limit switch under water, so generally use mechanical cam stop.Its principle of work be the winding displacement dish of descending rolling by a certain proportion of gear set transmission, drive the screw mandrel in stop, be with moving cam slowly to rotate afterwards.Because the position of cam is adjustable, so time the equipment such as grab bucket descending puts in place, cam can be adjusted to the position pressing travel switch, generally have 4 groups of travel switches available.But, mechanical cam stop not only complex structure, not easy to operate, and also precision is low, and unstable, the development need of large-scale environmental protection equipment cannot be agreed with.
Summary of the invention
The object of the invention is to, by a kind of electric cam stop, solve the problem that above background technology part is mentioned.
For reaching this object, the present invention by the following technical solutions:
A kind of electric cam stop, it comprises stop body, button group, pulse-detecting circuit, micro-control circuit, digital pipe display circuit, power circuit and communication module group; The follower gear of described stop body middle gear group is provided with grating disk, and this grating disk is provided with weekly printing opacity lattice, detects pulse signal weekly by pulse-detecting circuit; Described button group connects micro-control circuit; The output terminal of described pulse-detecting circuit connects the input end of micro-control circuit; The input end of described digital pipe display circuit connects the output terminal of micro-control circuit; Described power circuit connects micro-control circuit and digital pipe display circuit; Described communication module group is connected with micro-control circuit; Described micro-control circuit comprises micro-control unit and storer, and storer connects micro-control unit, and single-chip microcomputer connects button group; Described digital pipe display circuit comprises interconnective first charactron, the first latch, the second charactron and the second latch; Described power circuit comprises power management module and battery, and power management module connects micro-control unit, the first charactron, the second charactron, and battery connects power management module; Described communication module group includes but not limited to RS485 module and CAN module.
Especially, described power circuit also comprises charging inlet; Described Selection of Battery chargeable lithium cell.
Especially, described micro-control unit selects STM32F10X series monolithic.
The electric cam stop that the present invention proposes arranges required pulse value by button group, by the photoelectricity measuring and calculating pulse transducer detection of gear pulse of pulse-detecting circuit, export to the micro-control unit of micro-control circuit, micro-control unit judges the downstream pulses of current motor and whether arrange pulse equal, if equal, then send instruction pilot relay and quit work.If if do not receive any motor downstream pulses in startup certain hour, then single-chip microcomputer output alarm signal is to digital pipe display circuit, numeral method " ERROR " also continues flicker, and reminding user illustrates that fault exists.The present invention not only structure is simple, and be easy to operation, and degree of accuracy is high, working stability, cost is low, is suitable for promoting the use of.
Accompanying drawing explanation
The electric cam stop structural drawing that Fig. 1 provides for the embodiment of the present invention;
The electric cam stop circuit structure diagram that Fig. 2-1 to 2-15 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content, unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.Term used herein, just in order to describe specific embodiment, is not intended to be restriction the present invention.
Please refer to shown in Fig. 1, the electric cam stop structural drawing that Fig. 1 provides for the embodiment of the present invention.
In the present embodiment, electric cam stop specifically comprises stop body 101, button group 102, pulse-detecting circuit 103, micro-control circuit, digital pipe display circuit, power circuit and communication module group.The follower gear of described stop body 101 middle gear group is provided with grating disk, and this grating disk is provided with weekly printing opacity lattice, detects pulse signal weekly by pulse-detecting circuit 103.Described button group 102 connects micro-control circuit.The output terminal of described pulse-detecting circuit 103 connects the input end of micro-control circuit.The input end of described digital pipe display circuit connects the output terminal of micro-control circuit.Described power circuit connects micro-control circuit and digital pipe display circuit.Described communication module group is connected with micro-control circuit.Described micro-control circuit comprises micro-control unit 104 and storer 105, and storer 105 connects micro-control unit 104, and single-chip microcomputer connects button group 102.Described digital pipe display circuit comprises interconnective first charactron 106, first latch 107, second charactron 108 and the second latch 109.Described power circuit comprises power management module 1010 and battery 1011, and power management module 1010 connects micro-control unit 104, first charactron 106, second charactron 108, and battery 1011 connects power management module 1010.Described communication module group includes but not limited to RS485 module 1012 and CAN module 1013.In the present embodiment, described power circuit also comprises charging inlet 1014; Chargeable lithium cell 1011 selected by described battery 1011.Described micro-control unit 104 selects STM32F10X series monolithic.Described button group 102 comprises two metal switches, when arranging mode of operation, presses 2 metal switches simultaneously, when interface can become " Eoc-0000 ", metal switch position+1, another-1, be set to digit pulse, long can accelerate to add up by switch.
Electric cam stop arranges required pulse value by button group in the present embodiment, by the photoelectricity measuring and calculating pulse transducer detection of gear pulse of pulse-detecting circuit, export to the micro-control unit of micro-control circuit, micro-control unit judges the downstream pulses of current motor and whether arrange pulse equal, if equal, then send instruction pilot relay and quit work.If if do not receive any motor downstream pulses in startup certain hour, then single-chip microcomputer output alarm signal is to digital pipe display circuit, numeral method " ERROR " also continues flicker, and reminding user illustrates that fault exists.It should be noted that, cam stop is when initial point, and numeral method 000, shows umber of pulse time descending, and put in place flickering display umber of pulse when stopping, malfunction coefficient ERR.For two-way fault-signal: one, umber of pulse stops not cumulative (walking stops), by controlling the normally opened contact action of auxiliary reclay 1, connects fault-signal.Two, dead electricity is out of control: controlled by the normally closed contact of auxiliary reclay 2.Dead electricity is that normally closed contact connects fault-signal, has the normal operation contact of electricity to disconnect.Above two contact shunt realize failure alarm signal.Specific works process of the present invention is as follows: after one, switching on power, charactron (first digital, the second charactron) interface display " Noc-0000 ", this is main interface, now, if photoelectricity measuring and calculating pulse transducer has gear pulse to enter, then can add 1, as being shown as " Noc-0001 ".Two, arrange under mode of operation to digit pulse: press 2 metal switches simultaneously, when interface becomes " Eoc-0000 ", metal switch position+1, another-1, be set to digit pulse, long by accelerating to add up.For grab bucket, do not know if current will arrange the dive of how many pulse ability to water-bed, so directly open PLC motor and carry out descending, if photoelectricity measuring and calculating pulse transducer senses that motor rotates the current setting pulse that also can add up.When after setting completed, press two metal switches to preserve current pulse simultaneously, turn back to main interface and be namely shown as " Noc-0000 ".Wherein, the downstream pulses of current setting re-powers in second time and can be saved and can't lose.Three, run: after setting up pulse value, namely start to start by next metal switch arbitrarily, interface display is " Run-0000 ".Now, the downstream pulses of single-chip microcomputer record current motor, when equal with arranging pulse value, pilot relay exports stop signal.If do not receive any motor downstream pulses, then output alarm signal in 10s after starting, numeral method " ERROR " glimmers, and reminding user fault exists.After fixing a breakdown, only need to eliminate fault mode by next metal switch arbitrarily.
In the present embodiment for the circuit diagram of above-mentioned electric cam stop design as shown in Fig. 2-1 to 2-15, U6 selects switching mode voltage stabilizing chip LM2576, U8 selects integrated three-terminal regulator B1117, U2 and U3 all selects latch 74ls595, SMG1 and SMG2 is charactron, U4 selects SN65HVD230 type CAN transceiver, and A1 selects ST3232ECTR type RS232 line transceiver.It should be noted that, Fig. 2-1 to 2-15 illustrate only the part circuit structure of electric cam stop, those of ordinary skill in the art can realize the present invention according to the modular construction application circuit common knowledge of above-mentioned electric cam stop, therefore detailed circuit structure does not repeat at this.
The present invention not only structure is simple, and be easy to operation, and degree of accuracy is high, working stability, cost is low, is suitable for promoting the use of.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.

Claims (3)

1. an electric cam stop, is characterized in that, comprises stop body, button group, pulse-detecting circuit, micro-control circuit, digital pipe display circuit, power circuit and communication module group; The follower gear of described stop body middle gear group is provided with grating disk, and this grating disk is provided with weekly printing opacity lattice, detects pulse signal weekly by pulse-detecting circuit; Described button group connects micro-control circuit; The output terminal of described pulse-detecting circuit connects the input end of micro-control circuit; The input end of described digital pipe display circuit connects the output terminal of micro-control circuit; Described power circuit connects micro-control circuit and digital pipe display circuit; Described communication module group is connected with micro-control circuit; Described micro-control circuit comprises micro-control unit and storer, and storer connects micro-control unit, and single-chip microcomputer connects button group; Described digital pipe display circuit comprises interconnective first charactron, the first latch, the second charactron and the second latch; Described power circuit comprises power management module and battery, and power management module connects micro-control unit, the first charactron, the second charactron, and battery connects power management module; Described communication module group includes but not limited to RS485 module and CAN module.
2. electric cam stop according to claim 1, is characterized in that, described power circuit also comprises charging inlet; Described Selection of Battery chargeable lithium cell.
3. the electric cam stop according to any one of claim 1 or 2, it is characterized in that, described micro-control unit selects STM32F10X series monolithic.
CN201510624564.7A 2015-09-25 2015-09-25 Electronic cam limiter Pending CN105159332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510624564.7A CN105159332A (en) 2015-09-25 2015-09-25 Electronic cam limiter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510624564.7A CN105159332A (en) 2015-09-25 2015-09-25 Electronic cam limiter

Publications (1)

Publication Number Publication Date
CN105159332A true CN105159332A (en) 2015-12-16

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CN201510624564.7A Pending CN105159332A (en) 2015-09-25 2015-09-25 Electronic cam limiter

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2280941Y (en) * 1996-05-23 1998-05-06 沈阳市重工电器设备厂 Programmable electronic cam controller
US6246201B1 (en) * 1999-12-30 2001-06-12 Ge Fanuc Automation North America Inc. Electronic cam control system
CN1923500A (en) * 2006-08-16 2007-03-07 南京埃斯顿数字技术有限公司 Mechanical pressure machine electronic control method and electronic cam control device
CN101201610A (en) * 2007-12-17 2008-06-18 江苏扬力集团有限公司 Cam system with mold database
CN202079822U (en) * 2011-05-17 2011-12-21 周莹 Electronic cam control device for punching machine tool
CN202093344U (en) * 2011-05-27 2011-12-28 南京泽荣自动化系统有限责任公司 Electric cam controller
CN301996867S (en) * 2011-12-27 2012-07-18 南京泽荣自动化系统有限责任公司 Electronic cam circuit board
CN203455667U (en) * 2013-08-02 2014-02-26 南京泽荣自动化系统有限责任公司 Electronic cam controller
CN204536822U (en) * 2015-04-21 2015-08-05 南京泽荣自动化系统有限责任公司 A kind of magnetic coder electronic cam controller
CN205068174U (en) * 2015-09-25 2016-03-02 江苏省锡山中等专业学校 Electron cam stopper

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2280941Y (en) * 1996-05-23 1998-05-06 沈阳市重工电器设备厂 Programmable electronic cam controller
US6246201B1 (en) * 1999-12-30 2001-06-12 Ge Fanuc Automation North America Inc. Electronic cam control system
CN1923500A (en) * 2006-08-16 2007-03-07 南京埃斯顿数字技术有限公司 Mechanical pressure machine electronic control method and electronic cam control device
CN101201610A (en) * 2007-12-17 2008-06-18 江苏扬力集团有限公司 Cam system with mold database
CN202079822U (en) * 2011-05-17 2011-12-21 周莹 Electronic cam control device for punching machine tool
CN202093344U (en) * 2011-05-27 2011-12-28 南京泽荣自动化系统有限责任公司 Electric cam controller
CN301996867S (en) * 2011-12-27 2012-07-18 南京泽荣自动化系统有限责任公司 Electronic cam circuit board
CN203455667U (en) * 2013-08-02 2014-02-26 南京泽荣自动化系统有限责任公司 Electronic cam controller
CN204536822U (en) * 2015-04-21 2015-08-05 南京泽荣自动化系统有限责任公司 A kind of magnetic coder electronic cam controller
CN205068174U (en) * 2015-09-25 2016-03-02 江苏省锡山中等专业学校 Electron cam stopper

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Application publication date: 20151216