CN101062486A - Control system of paper shredder - Google Patents
Control system of paper shredder Download PDFInfo
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- CN101062486A CN101062486A CN 200610149054 CN200610149054A CN101062486A CN 101062486 A CN101062486 A CN 101062486A CN 200610149054 CN200610149054 CN 200610149054 CN 200610149054 A CN200610149054 A CN 200610149054A CN 101062486 A CN101062486 A CN 101062486A
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Abstract
The invention relates to the control system for paper crusher that comprises the electric power, sensor, motor, control circuit, with the said control circuit connected to the electric power, sensor and the motor, the said control circuit composed of senor circuit and motor control circuit, which connect with the main control chip of the control circuit. If the machine is idle, the control system will cut off the electricity after the set time to better save electricity with better safety effect.
Description
Technical field
The present invention relates to a kind of control system of shredder.
Background technology
Shredder is one of office equipment of using always.The function that present shredder has is more and more, and the consumer is also more and more higher to the functional requirement of shredder, and power saving, safety are the special partial functions of paying attention to of consumer, also are the targets of shredder manufacturer pursuit.
China's utility model patent (Granted publication day: on June 1st, 2005; notification number: CN2702778Y) disclose a kind of automatic paper crusher control device; comprise the motor that is used to drive blade for shredding paper; electronic circuit board; motor stretches out axle head and is provided with circular magnetic, and electronic circuit board comprises dress paper testing circuit; the shredded paper delay circuit; the auxiliary power circuit; the jam detection circuit; signaling conversion circuit; move back the paper delay circuit; motor is just changeing control circuit; motor reverses control circuit; just changeing power output circuit; reverse power output circuit; timing circuit; over current protection circuit and power-switching circuit.It can discern dress paper automatically, and starter motor just changeing shredded paper, and when paperboard, can reverse motor again automatically and move back paper, shredded paper once more after a while, and have time-out protection function.Yet under normal holding state, if having paper or other objects to import from leading the paper mouth, shredder still can start at any time, keep this holding state, still need to consume certain electric power, and, be in holding state for a long time, concerning shredder, also also dangerous.Therefore, have the standby automatic circuit break function, further realize power saving and purpose of safety, the technical problem that must solve when becoming present manufacturing shredder.
Summary of the invention
The technical problem to be solved in the present invention is: how just can make shredder have the standby automatic circuit break function, realize power saving and purpose of safety, and a kind of control system of shredder is provided.
In order to solve this technical problem, the present invention takes following scheme:
A kind of control system of shredder, comprise power supply, sensor, motor and control circuit, described control circuit is connected with power supply, sensor and motor respectively, described control circuit also includes sensor circuit and circuit for controlling motor, they are connected with main control chip in the control circuit respectively, it is characterized in that: connect at shredder under the state of power supply, the operation that described control system is carried out outage automatically comprises the steps:
A, shredder enter the standby time status;
B, electric machine operation state detect: judge motor be don't be in running order in, if not, then enter next step;
C, paper induction: by sensor circuit detecting sensor signal, whether the induction paper inlet of paper shredder has paper to enter, if there is not paper to enter, then enters next step;
D, time ratio be: the logic size relation of the automatic power-off time of setting in stand-by time and the main control chip relatively, if stand-by time less than automatic power-off time, is then returned step a, equal automatic power-off time as if stand-by time, and then enter next step;
E, outage: by the main control chip deenergization.
The automatic power-off time that sets is 0.05-300 minute, is 5-30 minute preferably, better is 30 minutes.Usually, counting the fixed time in the time of different type exploitations may be different.
A kind of preferably mode, the circuit that can have an automatic power-off time to set in the control circuit links to each other with main control chip, and can draw outside button on shredder, makes things convenient for user oneself to set automatic power-off time.
The complete machine in other words of affiliated standby is not worked but is started shooting, and is the state of warming-up exercise.
Described main control chip is a singlechip chip.
Described sensor is a light control sensor.When needs carry out shredded paper, whether there is paper to enter by light control sensor induction paper inlet, if having, carry out shredded paper work, if do not have, then shredder enters holding state.As a kind of preferred, in general, after the paper induction,, often also have the program of overload detection if begin shredded paper, promptly find can return paper by counter-rotating after the paper overload.
Described circuit for controlling motor also includes motor prograde circuit and motor circuit for reversing, duty among the described step b comprises that motor is just changeing state or motor inverted status, promptly, judge whether motor is in the duty by detecting whether motor is just changeing and whether reversing.As a kind of preferred version, the general employing judged the detection order of just changeing judgement counter-rotating more earlier.
Described control circuit also includes on-off circuit, and it is connected with main control chip in the control circuit.Described on-off circuit comprises the positive turn-off of motor pass, motor reversal switch and power switch.In the control system of described shredder, in general, motor prograde circuit, motor circuit for reversing and power switch circuit are all by relay control break-make.And in the outside of shredder, be that this three switches are installed, promptly the positive turn-off of motor closes button, motor reversal switch button and power switch button, and they transmit signal to main control chip by button, control then that motor just changes, motor reverses, power switch.
Preferably, described deenergization is specially the power cutoff lamp, and the I/O mouth zero clearing of motor.Start once more and must press power switch key again.
Compare with original technology, the present invention has some following advantages.
One, the function that has overtime protection of known technology; be after taking place to surpass certain hour unusually, to carry out overtime protection; be mainly to prevent that motor from burning (seeing the 9th page of CN03207334 patent publication us) because of the long-play heating; and automatic circuit break function of the present invention is to cut off the power supply after standby surpasses certain hour; can save power supply, and reduce the potential safety hazard when not using for a long time.
Two, simultaneously, we can further see, in documents, (see the 6th page of CN03207334 patent publication us) and adopt components and parts commonly used to make the perfect functions circuit, and adopt single-chip microcomputer among the present invention as main control chip, has advantage clearly like this, control mode is flexible, and function is many, realizes the standardization of producing and keeping in repair easily.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done further detailed annotation.
Fig. 1 is the control system structural representation of the embodiment of the invention 1.
Fig. 2 is the schematic flow sheet of inventive embodiments 1.
Fig. 3 is the control system structural representation of the embodiment of the invention 2.
Fig. 4 is the main program flow chart of the embodiment of the invention 2.
Fig. 5 is the rotor program flow diagram of the motor of the embodiment of the invention 2.
Fig. 6 is the inverted rotor program flow diagram of the motor of the embodiment of the invention 2.
Fig. 7 is the following paper subroutine flow chart of the motor of the embodiment of the invention 2.
Fig. 8 is the shutdown subroutine flow chart of the motor of the embodiment of the invention 2.
The specific embodiment
See also Fig. 1, Fig. 1 is the structural representation of the control system of the embodiment of the invention 1.As shown in the figure, the control system of shredder includes power supply 2, sensor 3, motor 4 and control circuit 1 in the embodiment of the invention 1, control circuit 1 connects power supply 2, sensor 3 and motor 4 respectively, include main control chip 10 in the control circuit 1, also include sensor circuit 13 and circuit for controlling motor 14 in the control circuit 1, they are connected with main control chip 10.And, also be connected to each other (figure does not show) between them.Known, main control chip is a singlechip chip, and there is time set the inside, can timing stand-by time and automatic power-off time (figure does not show).
See also Fig. 2, Fig. 2 is the schematic flow sheet of inventive embodiments 1.Shredder control system described in embodiments of the invention 1 is by the automatic power operation of step execution shredder shown in Figure 2.
At first, press power switch, from start (step 101); Shredder enters standby time status (step a); Then, carry out electric machine operation state and detect: in judging that motor is whether in running order, if not, then enter next step (step b), if motor is in running order, the timing zero clearing, machine operation is also returned standby time status (step 102); Under the idle situation of motor, by sensor circuit detecting sensor signal, whether the induction paper inlet of paper shredder has paper to enter, if there is not paper to enter, then enters next step (step c); If there is paper to enter, the timing zero clearing, machine operation is also returned standby time status (step 102); Do not having under the situation of paper, carry out time ratio: relatively the logic size of the automatic power-off time of setting in stand-by time and the main control chip concerns, just whether arrived the automatic power-off time of setting, if stand-by time is less than automatic power-off time, then return step a, accumulative total timing this moment if the time of standby accumulative total equals automatic power-off time, then enters next step (step d); When stand-by time has arrived automatic power-off time, by main control chip deenergization (step e).The automatic power-off time that sets is 30 minutes.
Please in the lump referring to Fig. 3, Fig. 3 is the control system structural representation of the embodiment of the invention 2, as shown in the figure, control system includes power supply 2, sensor 3, motor 4 and control circuit 1, and the positive turn-off of motor reversal switch button 17, power switch button 18, the motor pass button 19 that is installed in the shredder outside.Control circuit 1 connects power supply 2, sensor 3, motor 4, motor reversal switch button 17, power switch button 18, the positive turn-off of motor pass button 19 respectively, include main control chip 10 in the control circuit 1, include the circuit 16 of sensor circuit 13 and circuit for controlling motor 14, on-off circuit 12, motor overload test section in the control circuit 1, they are connected with main control chip 10, and, also be connected to each other (figure does not show) between them.Circuit for controlling motor 14 is used for controlling the forward and reverse of motor, and whether the circuit 16 of motor overload test section is used for detecting shredder because of paper too much transships, and also is used for controlling simultaneously the rotating of motor indirectly.Sensor circuit 13 links to each other with sensor, is used for detecting whether paper is arranged.Three buttons are installed in the outside of shredder in the on-off circuit 12, can be with manually controlling the counter-rotating of motor, the switch of power supply, the just commentaries on classics of motor respectively.Yet, need to prove that these three buttons all are to link to each other with main control chip by circuit, and send the mode of signal with control relay by main control chip, control motor counter-rotating, the switch of power supply, the just commentaries on classics of motor.Because main control chip is a single-chip microcomputer, works as deenergization, be actually power lights and turn-off, and the I/O mouth zero clearing (being not that supply socket is pulled out) of motor.Must press power switch button 19 and will open shredder.See also Fig. 4 to Fig. 8, this is the exploitation document of the control program of embodiment 2 in actual manufacture process, for your guidance.Following emphasis makes an explanation to main program.Step 111 is expressed is equivalent to start step among the embodiment 1, just has only the start key to press, and standby just can pick up counting.From MAIN1, expression be exactly a step that shredder enters standby meter state.Because on the general shredder power lights is arranged all, power lights is connected and is just shown that shredder opened.Step 113 and step 114 all belong to the step that electric machine operation state detects, and whether " just changeing " and " counter-rotating " refers to and rotate and reverse button and press.It is the process of paper induction that step 115 is expressed, and step 116 timing when returning MAIN1 adds up, and does not have zero clearing.From main program, just drawn change, reverse, the paper and four subprograms of shutting down down, that shuts down in the subprogram of wherein shutting down is embodied as the power cutoff lamp and the I/O mouth zero clearing of control motor.This moment, motor stopped operating, and power switch button 18 is still effective, and the positive turn-off of motor reversal switch button 17, motor closes button 19 and lost efficacy.Press after the unlatching just effective Deng power switch button 18.
Although the present invention has done detailed explanation and has quoted embodiment as proof, but for those of ordinary skill in the art, obviously can make various replacement schemes, modification and change according to above-mentioned explanation, therefore, all these replacement schemes, correction and change all should be included within the spirit and scope of claim.
Claims (8)
1, a kind of control system of shredder, comprise power supply, sensor, motor and control circuit, described control circuit is connected with power supply, sensor and motor, described control circuit includes sensor circuit and circuit for controlling motor, they are connected with main control chip in the control circuit, it is characterized in that: connect at shredder under the state of power supply, the operation that described control system is carried out outage automatically comprises the steps:
A, shredder enter the standby time status;
B, electric machine operation state detect: in judging that motor is whether in running order, if not, then enter next step;
C, paper induction: by sensor circuit detecting sensor signal, whether the induction paper inlet of paper shredder has paper to enter, if there is not paper to enter, then enters next step;
D, time ratio be: the logic size relation of the automatic power-off time of setting in stand-by time and the main control chip relatively, if stand-by time less than automatic power-off time, is then returned step a, equal automatic power-off time as if stand-by time, and then enter next step;
E, outage: by main control chip control deenergization.
2, the control system of shredder according to claim 1 is characterized in that: the automatic power-off time that sets is 0.05-300 minute.
3, the control system of shredder according to claim 2 is characterized in that: the automatic power-off time that sets is 30 minutes.
4, the control system of shredder according to claim 1 is characterized in that: described main control chip is a singlechip chip.
5, the control system of shredder according to claim 1 is characterized in that: described sensor is a light control sensor.
6, the control system of shredder according to claim 1 is characterized in that: described control circuit also includes on-off circuit, and it is connected with main control chip in the control circuit.
7, the control system of shredder according to claim 6 is characterized in that: comprise the positive turn-off of motor pass, motor reversal switch and power switch in the described on-off circuit.
8, the control system of shredder according to claim 1 is characterized in that: described circuit for controlling motor also includes motor prograde circuit and motor circuit for reversing, and the duty among the described step b comprises that motor is just changeing state or motor inverted status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610149054XA CN100522373C (en) | 2006-07-31 | 2006-11-28 | Control system of paper shredder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610061938.X | 2006-07-31 | ||
| CN200610061938 | 2006-07-31 | ||
| CNB200610149054XA CN100522373C (en) | 2006-07-31 | 2006-11-28 | Control system of paper shredder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101062486A true CN101062486A (en) | 2007-10-31 |
| CN100522373C CN100522373C (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610149054XA Expired - Fee Related CN100522373C (en) | 2006-07-31 | 2006-11-28 | Control system of paper shredder |
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| Country | Link |
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| CN (1) | CN100522373C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941705A (en) * | 2014-04-29 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Site plant management system and method |
| CN105004056A (en) * | 2014-04-22 | 2015-10-28 | 珠海格力电器股份有限公司 | Control method for water heater |
| CN107168185A (en) * | 2017-07-03 | 2017-09-15 | 河南联纵消防科技有限公司 | Energy-conserving intelligent fire water monitor and its implementation |
| CN107213977A (en) * | 2017-06-30 | 2017-09-29 | 合肥久能图文科技有限公司 | A kind of shredder power supply smart control system |
| CN114433332A (en) * | 2021-12-19 | 2022-05-06 | 新沂市久元矿业有限公司 | Intelligent screening system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606262U (en) * | 2012-05-11 | 2012-12-19 | 东莞市高创电机科技有限公司 | Control device applied to paper shredder |
-
2006
- 2006-11-28 CN CNB200610149054XA patent/CN100522373C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004056A (en) * | 2014-04-22 | 2015-10-28 | 珠海格力电器股份有限公司 | Control method for water heater |
| CN103941705A (en) * | 2014-04-29 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Site plant management system and method |
| CN107213977A (en) * | 2017-06-30 | 2017-09-29 | 合肥久能图文科技有限公司 | A kind of shredder power supply smart control system |
| CN107168185A (en) * | 2017-07-03 | 2017-09-15 | 河南联纵消防科技有限公司 | Energy-conserving intelligent fire water monitor and its implementation |
| CN114433332A (en) * | 2021-12-19 | 2022-05-06 | 新沂市久元矿业有限公司 | Intelligent screening system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100522373C (en) | 2009-08-05 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20111128 |