CN201644201U - Intelligent speed-regulating, energy-saving and noise-reducing paper shredder - Google Patents
Intelligent speed-regulating, energy-saving and noise-reducing paper shredder Download PDFInfo
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- CN201644201U CN201644201U CN2010201060187U CN201020106018U CN201644201U CN 201644201 U CN201644201 U CN 201644201U CN 2010201060187 U CN2010201060187 U CN 2010201060187U CN 201020106018 U CN201020106018 U CN 201020106018U CN 201644201 U CN201644201 U CN 201644201U
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Abstract
The utility model relates to an intelligent speed-regulating, energy-saving and noise-reducing paper shredder. An electric control member comprises a motor unit and a power source. The intelligent speed-regulating, energy-saving and noise-reducing paper shredder is characterized by further comprising a current detection feedback unit connected with the motor unit and a gear-shifting, voltage-regulating and speed-regulating unit connected with the current detection feedback unit; the input end of the gear-shifting, voltage-regulating and speed-regulating unit is connected with the output end of the current detection feedback unit; and the output end of the gear-shifting, voltage-regulating and speed-regulating unit is connected with the input end of the motor unit. The utility model has strong generality, is not only suitable for paper shredders using alternative-current motors and induction motors, but also suitable for paper shredders using direct-current motors, regulates the motor under the optimum working state by detecting the paper shredding current of the alternative-current motors, the induction motors or the direct-current motors, realizes automatic switching at any speeds according to the load condition and effectively realizes intelligent speed regulating, energy saving and noise reducing.
Description
Technical field
The utility model relates to cutter or other cutting or tearing parts the fragmental crushing mechanism of material, especially relates to the shredder of a kind of intelligent speed-regulating and energy-saving and noise-reducing.
Background technology
Traditional shredder rotating speed is single, no matter the number of shredded paper, motor all is with constant power operation.When shredder dallies clear paper or shredded paper only 1,2 the time, motor speed is than higher, and noise is big, and the waste electric power energy.A kind of shredder motor speed control system of Chinese patent CN201113903Y bulletin is by manually carrying out speed governing to motor,, CN201181926Y bulletin a kind of system of transferring the files automatically of shredder by light-operated detection rotating speed of motor, and keep the rotating speed that motor is set automatically, can solve the above problems to some extent, but, they all are the speed that recently realizes controlling motor by the coil turn that changes motor, can only be applied to alternating current generator, and can not be applied to direct current generator.
Summary of the invention
Technical problem to be solved in the utility model is the defective that remedies above-mentioned prior art, proposes the shredder of a kind of intelligent speed-regulating and energy-saving and noise-reducing.
Technical problem of the present utility model is solved by the following technical programs.
This intelligent speed-regulating and energy-saving noise-reducing paper shredder, its electric controling part comprises electric motor units and power supply.
The characteristics of this intelligent speed-regulating and energy-saving noise-reducing paper shredder are:
Described electric controling part also comprises the current detecting feedback unit that is connected with described electric motor units, and the gear shift variable voltage control unit that is connected with described current detecting feedback unit, the input of described gear shift variable voltage control unit is connected with the output of described current detecting feedback unit, and the output of described gear shift variable voltage control unit is connected with the input of described electric motor units.
Described current detecting feedback unit carries out current detecting during mainly to the electric motor units shredded paper, and is transported to described gear shift variable voltage control unit after check result compared,
Carry out the gear shift pressure regulation after described gear shift variable voltage control unit receives the result, feed back to described electric motor units again motor is carried out speed governing, reach energy-conservation and purpose noise reduction.
Technical problem of the present utility model is solved by following further technical scheme.
Described current detecting feedback unit comprises binary channel comparator and the double relay drive circuit that operational amplifier is formed, the first control signal output of described binary channel comparator is connected with the control end of double relay drive circuit respectively with the second control signal output, and the sampling voltage input of described binary channel comparator is connected with an end of the current of electric sample resistance of described electric motor units.
Described double relay drive circuit comprises respectively by first switch triode and its coil and is connected on the electronic switching circuit that first relay of the described first switch triode major loop is formed, and being connected on the electronic switching circuit that second relay of described second switch triode major loop is formed by second switch triode and its coil, the contact combination of the normally-closed contact of described first relay, second relay, normally opened contact composition is connected with described gear shift variable voltage control unit.
Described gear shift variable voltage control unit comprises controllable silicon and trigger control circuit thereof, and output circuit, described trigger control circuit comprises bilateral diode, controllable silicon ON time regulating circuit, described controllable silicon ON time regulating circuit comprises a plurality of divider resistances and filter capacitor and by the normally-closed contact of first relay in the described current detecting feedback unit, second relay, the contact combination that normally opened contact is formed, described output circuit is connected with the voltage incoming end of described electric motor units.
Described electric motor units is a kind of in alternating current generator or induction machine circuit unit and the direct current generator circuit unit.
Described alternating current generator or induction machine circuit unit comprise alternating current generator or induction machine and the current of electric sample resistance that is connected with described alternating current generator or induction machine windings in series, one end of described current of electric sample resistance is connected with the sampling voltage input of described binary channel comparator, the other end be connected publicly.
Described direct current generator circuit unit comprises direct current generator, rectification circuit and the current of electric sample resistance that is connected with described direct current generator windings in series, one end of described current of electric sample resistance is connected with the sampling voltage input of described binary channel comparator, the other end be connected publicly.
The beneficial effect that the utility model is compared with the prior art is:
The utility model highly versatile both had been applicable to the shredder that adopts alternating current generator, induction machine, was applicable to the shredder that adopts direct current generator again.By the shredded paper electric current that detects alternating current generator, induction machine or direct current generator motor is adjusted to and is in optimum Working, and can automatically switch in any a plurality of speed low-medium-high levels, effectively realize intelligent speed-regulating and energy-saving and noise-reducing according to loading condition.
Description of drawings
Fig. 1 is the functional-block diagram of the utility model specific embodiment;
Fig. 2 is the physical circuit figure of Fig. 1.
The specific embodiment
Contrast accompanying drawing and the utility model is further described below in conjunction with the specific embodiment.
A kind of intelligent speed-regulating as shown in Figure 1 and the shredder of energy-saving and noise-reducing, its electric controling part comprises electric motor units 1 and power supply 4, also comprise the current detecting feedback unit 2 that is connected with electric motor units 1, and the gear shift variable voltage control unit 3 that is connected with current detecting feedback unit 2, the input of gear shift variable voltage control unit 3 is connected with the output of current detecting feedback unit 2, and the output of gear shift variable voltage control unit 3 is connected with the input of electric motor units 1.Current detecting feedback unit 2 carries out current detecting during mainly to electric motor units 1 shredded paper, and is transported to gear shift variable voltage control unit 3 after check result compared.Gear shift variable voltage control unit 3 carries out the fluid drive pressure regulation after receiving the result, feeds back to 1 pair of motor of electric motor units again and carries out speed governing, reaches energy-conservation and purpose noise reduction.
After civil power AC IN input, be mainly electric motor units 1 and 3 power supplies of gear shift variable voltage control unit.The working voltage of current detecting feedback unit 2 is by civil power AC IN and through providing 12～24 volts of power supplys after step-down and the voltage stabilizing.
Current detecting feedback unit 2 comprises binary channel comparator B1 and the double relay drive circuit B2 that operational amplifier is formed, the first control signal output OUTPUT1 of binary channel comparator B1 is connected with the control end of double relay drive circuit B2 respectively with the second control signal output OUTPUT2, and the sampling voltage input INPUT of binary channel comparator B1 is connected with the end of the current of electric sample resistance R19 of electric motor units 1.
Binary channel comparator B1 comprises comparator IC1A and IC1B, and the reference voltage of setting comparator IC1A is the V0 volt, and the reference voltage of comparator IC1B is the V1 volt, and the V0 volt lies prostrate greater than V1.
When sampling voltage V2 volt lies prostrate less than V1, by comparator B1 relatively after, it is constant that control signal output OUTPUT2, OUTPUT1 keep desirable low level 0.
When sampling voltage V2 volt greater than the V1 volt, and when lie prostrate less than V0, by comparator B1 relatively after, control signal output OUTPUT2 exports about 12 volts of high level, it is constant that OUTPUT1 keeps desirable low level 0.
When sampling voltage V2 volt lie prostrate greater than V0, by comparator B1 relatively after, control signal output OUTPUT2, OUTPUT1 export about 12 volts of high level.
Double relay drive circuit B2 comprises respectively by the first switch triode Q1 and its coil KIA and is connected on the electronic switching circuit that first relay K 1 of the first switch triode major loop Q1 is formed, and being connected on the electronic switching circuit that second relay K 2 of second switch triode Q2 major loop is formed by second switch triode Q2 and its coil K2A, the contact combination of normally-closed contact KIB, the K2B of first relay K 1, second relay K 2, normally opened contact KIC, K2C composition is connected with gear shift variable voltage control unit 3.
When control signal output OUTPUT2, OUTPUT1 keep desirable low level 0 when constant, second switch triode Q2, the first not conducting of switch triode Q1, first relay K 1, the coil K1A of second relay K 2, K2A no power.
When about 12 volts of control signal output OUTPUT2 output high level, it is constant that OUTPUT1 keeps desirable low level 0.Second switch triode Q2 conducting, the coil K2A energising of second relay K 2.The first not conducting of switch triode Q1, the coil K1A no power of first relay K 1.
When about 12 volts of high level of control signal output OUTPUT2, OUTPUT1 output, second switch triode Q2, the first switch triode Q1 conducting, coil K1A, the K2A of first relay K 1, second relay K 2 switches on.
Electric motor units 1 is a kind of of C2 in alternating current generator or induction machine circuit unit C1 and the direct current generator circuit unit.
Alternating current generator or induction machine circuit unit C1 comprise alternating current generator or induction machine M and the current of electric sample resistance R19 that is connected with alternating current generator or induction machine M windings in series, the end of current of electric sample resistance R19 is connected with the sampling voltage input INPUT of binary channel comparator B1, the other end be connected publicly.
Direct current generator circuit unit C2 comprises direct current generator A, rectification circuit D1 and the current of electric sample resistance R19 ' that is connected with direct current generator A windings in series, the end of current of electric sample resistance R19 ' is connected with the sampling voltage input INPUT of binary channel comparator B1, the other end be connected publicly.
Gear shift variable voltage control unit 3 comprises controllable silicon Q3 and trigger control circuit thereof, and by R16, the output circuit that C7 forms, trigger control circuit comprises bilateral diode D9 and controllable silicon ON time regulating circuit, controllable silicon ON time regulating circuit comprises a plurality of divider resistance R13, R14, R15 and filter capacitor C8, C9 and by first relay in the current detecting feedback unit 2, the second relay K I, the normally-closed contact KIB of K2, K2B, normally opened contact KIC, the contact combination that K2C forms is by R16, the output MG1 of the output circuit that C7 forms is connected with the voltage incoming end MG or the MG2 of electric motor units 1.
The following course of work that is connected in series for the voltage incoming end MG of the voltage output end MG1 of gear shift variable voltage control unit 3 and alternating current generator or induction machine circuit unit C1.The course of work that the voltage incoming end MG2 of the voltage output end MG1 of gear shift variable voltage control unit 3 and direct current generator circuit unit C2 is connected in series is basic identical.
When first relay, second relay K 1, the coil K1A of K2, during the K2A no power, first relay K 1, second relay K 2 is in normally-closed contact K1B, K2B, select resistance R 13, R13 and C8 form discharge circuit, by resistance R 15 and bilateral diode D9 the control utmost point of controllable silicon Q3 is carried out conducting, thereby change the voltage of the voltage output end MG1 of controllable silicon Q3, again because the voltage incoming end MG of voltage output end MG1 and alternating current generator or induction machine circuit unit C1 is connected in series, thereby change the speed of alternating current generator or induction machine A, reach the purpose of speed governing.
When the coil K2A of second relay K 2 energising, during the coil K1A no power of first relay K 1, first relay K 2 is in normally opened contact K2C, relay K 1 is in normally-closed contact K1B, select resistance R 12 and R13 to form parallel circuit, R12, parallel circuit that R13 forms and C8 form discharge circuit, by resistance R 15 and bilateral diode D9 the control utmost point of controllable silicon Q3 is carried out conducting, thereby change the voltage of the voltage output end MG1 of controllable silicon Q3, again because the voltage incoming end MG of voltage output end MG1 and alternating current generator or induction machine circuit unit C1 is connected in series, thereby change the speed of alternating current generator or induction machine A, reach the purpose of speed governing.
When coil K1A, the K2A of first relay, second relay K 1, K2 energising, first relay K 1, second relay K 2 are in normally opened contact K1C, K2C, civil power AC2 passes through the voltage output end MG1 of the normally opened contact K1C of first relay K 1 to controllable silicon Q3, thereby change the voltage of voltage output end MG1, again because the voltage incoming end MG of voltage output end MG1 and alternating current generator or induction machine circuit unit C1 is connected in series, thereby change the speed of alternating current generator or induction machine A, reach the purpose of speed governing.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the general technical staff of the technical field of the invention; under the prerequisite that does not break away from the utility model design, make some alternative or obvious modification that are equal to; and performance or purposes are identical, then should be considered as belonging to the protection domain that the utility model is determined by claims of being submitted to.
Claims (7)
1. intelligent speed-regulating and energy-saving noise-reducing paper shredder, its electric controling part comprises electric motor units and power supply, it is characterized in that:
Described electric controling part also comprises the current detecting feedback unit that is connected with described electric motor units, and the gear shift variable voltage control unit that is connected with described current detecting feedback unit, the input of described gear shift variable voltage control unit is connected with the output of described current detecting feedback unit, and the output of described gear shift variable voltage control unit is connected with the input of described electric motor units.
2. intelligent speed-regulating according to claim 1 and energy-saving noise-reducing paper shredder is characterized in that:
Described current detecting feedback unit comprises binary channel comparator and the double relay drive circuit that operational amplifier is formed, the first control signal output of described binary channel comparator is connected with the control end of double relay drive circuit respectively with the second control signal output, and the sampling voltage input of described binary channel comparator is connected with an end of the current of electric sample resistance of described electric motor units.
3. intelligent speed-regulating according to claim 1 and 2 and energy-saving noise-reducing paper shredder is characterized in that:
Described double relay drive circuit comprises respectively by first switch triode and its coil and is connected on the electronic switching circuit that first relay of the described first switch triode major loop is formed, and being connected on the electronic switching circuit that second relay of described second switch triode major loop is formed by second switch triode and its coil, the contact combination of the normally-closed contact of described first relay, second relay, normally opened contact composition is connected with described gear shift variable voltage control unit.
4. intelligent speed-regulating according to claim 1 and 2 and energy-saving noise-reducing paper shredder is characterized in that:
Described gear shift variable voltage control unit comprises controllable silicon and trigger control circuit thereof, and output circuit, described trigger control circuit comprises bilateral diode, controllable silicon ON time regulating circuit, described controllable silicon ON time regulating circuit comprises a plurality of divider resistances and filter capacitor and by the normally-closed contact of first relay in the described current detecting feedback unit, second relay, the contact combination that normally opened contact is formed, described output circuit is connected with the voltage incoming end of described electric motor units
5. intelligent speed-regulating according to claim 1 and 2 and energy-saving noise-reducing paper shredder is characterized in that:
Described electric motor units is a kind of in alternating current generator or induction machine circuit unit and the direct current generator circuit unit.
6. intelligent speed-regulating according to claim 5 and energy-saving noise-reducing paper shredder is characterized in that:
Described alternating current generator or induction machine circuit unit comprise alternating current generator or induction machine and the current of electric sample resistance that is connected with described alternating current generator or induction machine windings in series, one end of described current of electric sample resistance is connected with the sampling voltage input of described binary channel comparator, the other end be connected publicly.
7. intelligent speed-regulating according to claim 5 and energy-saving noise-reducing paper shredder is characterized in that:
Described direct current generator circuit unit comprises direct current generator, rectification circuit and the current of electric sample resistance that is connected with described direct current generator windings in series, one end of described current of electric sample resistance is connected with the sampling voltage input of described binary channel comparator, the other end be connected publicly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201060187U CN201644201U (en) | 2010-01-27 | 2010-01-27 | Intelligent speed-regulating, energy-saving and noise-reducing paper shredder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201060187U CN201644201U (en) | 2010-01-27 | 2010-01-27 | Intelligent speed-regulating, energy-saving and noise-reducing paper shredder |
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| Publication Number | Publication Date |
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| CN201644201U true CN201644201U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201060187U Expired - Lifetime CN201644201U (en) | 2010-01-27 | 2010-01-27 | Intelligent speed-regulating, energy-saving and noise-reducing paper shredder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101757971B (en) * | 2010-01-27 | 2012-07-04 | 罗世凯 | Intelligent speed-regulating and energy-saving noise-reducing paper shredder |
| CN103263969A (en) * | 2013-05-22 | 2013-08-28 | 中国科学院信息工程研究所 | Shredder |
| CN111750392A (en) * | 2019-03-26 | 2020-10-09 | 宁波方太厨具有限公司 | Voice intelligent regulation control method for range hood |
-
2010
- 2010-01-27 CN CN2010201060187U patent/CN201644201U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101757971B (en) * | 2010-01-27 | 2012-07-04 | 罗世凯 | Intelligent speed-regulating and energy-saving noise-reducing paper shredder |
| CN103263969A (en) * | 2013-05-22 | 2013-08-28 | 中国科学院信息工程研究所 | Shredder |
| CN111750392A (en) * | 2019-03-26 | 2020-10-09 | 宁波方太厨具有限公司 | Voice intelligent regulation control method for range hood |
| CN111750392B (en) * | 2019-03-26 | 2021-11-26 | 宁波方太厨具有限公司 | Voice intelligent regulation control method for range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20100127 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20100127 |