CN203225691U - Electronic voltage-increasing apparatus for special-purpose motor power supply of shredder - Google Patents
Electronic voltage-increasing apparatus for special-purpose motor power supply of shredder Download PDFInfo
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- CN203225691U CN203225691U CN 201320207471 CN201320207471U CN203225691U CN 203225691 U CN203225691 U CN 203225691U CN 201320207471 CN201320207471 CN 201320207471 CN 201320207471 U CN201320207471 U CN 201320207471U CN 203225691 U CN203225691 U CN 203225691U
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Abstract
The utility model discloses an electronic voltage-increasing apparatus for a special-purpose motor power supply of a shredder, comprising an AC power supply and a voltage-increasing control circuit. The AC power supply is connected to a motor by the voltage-increasing control circuit. The electronic voltage-increasing apparatus for a special-purpose motor power supply of the shredder is characterized in that the voltage-increasing control circuit comprises a voltage detection circuit, a control chip, a rectifier voltage-increasing circuit and a forward-reverse control circuit. The AC power supply is respectively connected to the voltage detection circuit and the rectifier voltage-increasing circuit. The voltage detection circuit, the rectifier voltage-increasing circuit and the forward-reverse control circuit are respectively connected to the control chip. The rectifier voltage-increasing circuit is connected to the forward-reverse control circuit which is connected to the motor. The electronic voltage-increasing apparatus for the special-purpose motor power supply of the shredder is advantageous in that the voltage detection circuit transmits corresponding signals to the control chip, the control chip controls the rectifier voltage-increasing circuit to output needed voltage which is supplied to the motor after going through the forward-reverse control circuit and thus the motor can operate normally within various voltage range. Furthermore, the electronic voltage-increasing apparatus for the special-purpose motor power supply of the shredder also has advantages of low price, light weight, a small size and no power consumption in working stoppage of the shredder.
Description
Technical field
The utility model relates to a kind of electronics increasing apparatus, especially a kind of electronics increasing apparatus of shredder dedicated motor power supply.
Background technology
Tradition shredder product all is to use the univoltage motor operations, because the mains voltage difference of various countries, the motor supply power voltage when country variant uses shredder with the area is different, so some shredder can't be general at country variant and area.Usually add that at machine intimate the large power supply transformer that price is higher and volume is bigger solves this problem.When machine was not worked, power transformer also can continue consumed power.
Summary of the invention
Technical problem to be solved in the utility model provides the electronics increasing apparatus of lower, the simple light and shredder dedicated motor power supply that power consumption is lower of a kind of cost.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of electronics increasing apparatus of shredder dedicated motor power supply, comprise AC power and boost control circuit, described AC power links to each other with motor by described boost control circuit, described boost control circuit comprises voltage detecting circuit, control chip, rectification boosting circuit and positive and reverse rotation control circuit, described AC power links to each other with described rectification boosting circuit with described voltage detecting circuit respectively, described voltage detecting circuit, described rectification boosting circuit all links to each other with described control chip with described positive and reverse rotation control circuit, described rectification boosting circuit links to each other with described positive and reverse rotation control circuit, and described positive and reverse rotation control circuit links to each other with described motor.
Described voltage detecting circuit comprises the 5th diode, the 3rd resistance, the 6th diode, the 4th resistance and optical coupler, the positive pole of described the 5th diode extremely links to each other with one of described AC power, the negative pole of described the 5th diode links to each other with an end of described the 3rd resistance, the other end of described the 3rd resistance links to each other with the positive pole of the input of described optical coupler, one end of described the 4th resistance links to each other with the negative pole of the input of described optical coupler, one end of described the 4th resistance links to each other with the positive pole of described the 6th diode, the negative pole of described the 6th diode links to each other with the other end of described the 3rd resistance, another of the other end of described the 4th resistance and described AC power extremely links to each other, the positive pole of the output of described optical coupler links to each other with described control chip, working power VCC links to each other the minus earth of the output of described optical coupler by the 5th resistance with the positive pole of the output of described optical coupler.
Described rectification boosting circuit comprises boosted switch, bridge rectifier and filtering accumulator, described bridge rectifier comprises first diode, second diode, the 3rd diode and the 4th diode or form with single bridge heap, the negative pole of described first diode links to each other with the negative pole of described the 4th diode, the positive pole of described the 4th diode links to each other with the negative pole of described the 3rd diode, the positive pole of described the 3rd diode links to each other with the positive pole of described second diode, the negative pole of described second diode links to each other with the positive pole of described first diode, the positive pole of described first diode extremely links to each other with one of described AC power, the negative pole of described the 3rd diode links to each other with an end of described boosted switch, described filtering accumulator comprises first storage capacitor, second storage capacitor, first resistance and second resistance, the negative pole of described first storage capacitor links to each other with the positive pole of described second storage capacitor, the positive pole of described first storage capacitor links to each other with the negative pole of described first diode, the negative pole of described second storage capacitor links to each other with the positive pole of described second diode, described first storage capacitor is in parallel with described first resistance, described second storage capacitor is in parallel with described second resistance, and the positive pole of described second storage capacitor links to each other with the other end of described boosted switch.
Described positive and reverse rotation control circuit comprises first relay and second relay, the positive pole of the moving contact of the switch of described first relay and described first storage capacitor joins, the negative pole of the fixed contact of the switch of described first relay and second storage capacitor forms the master control output, and described second relay is arranged between described master control output and the described motor.
Compared with prior art, advantage of the present utility model is that voltage detecting circuit passes to the corresponding voltage signal of control chip, the required voltage of control chip control rectification boosting circuit output, use for motor through behind the positive and reverse rotation control circuit, guarantee that different motor can both operate as normal during in two scopes of 90 ~ 130V and 180 ~ 260V when mains voltage, not only have low price, in light weight and advantage that volume is little, and when machine quits work device integral body consumed power not, saved electric energy greatly.
Description of drawings
Fig. 1 is circuit flow chart of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.
A kind of electronics increasing apparatus of shredder dedicated motor 4 power supplys, comprise AC power AC and boost control circuit, boost control circuit comprises voltage detecting circuit, control chip 1, rectification boosting circuit and positive and reverse rotation control circuit, AC power AC links to each other with rectification boosting circuit with voltage detecting circuit respectively, voltage detecting circuit, rectification boosting circuit all links to each other with control chip 1 with positive and reverse rotation control circuit, voltage detecting circuit comprises the 5th diode D5, the 3rd resistance R 3, the 6th diode D6, the 4th resistance R 4 and optical coupler IC, the positive pole of the 5th diode D5 extremely links to each other with one of AC power AC, the negative pole of the 5th diode D5 links to each other with an end of the 3rd resistance R 3, the other end of the 3rd resistance R 3 links to each other with the positive pole of the input of optical coupler IC, one end of the 4th resistance R 4 links to each other with the negative pole of the input of optical coupler IC, one end of the 4th resistance R 4 links to each other with the positive pole of the 6th diode D6, the negative pole of the 6th diode D6 links to each other with the other end of the 3rd resistance R 3, another of the other end of the 4th resistance R 4 and AC power AC extremely links to each other, the positive pole of the output of optical coupler IC links to each other with control chip 1, working power VCC links to each other with the positive pole of the output of optical coupler IC by the 5th resistance R 5, the minus earth of the output of optical coupler IC, rectification boosting circuit comprises boosted switch 2, bridge rectifier and filtering accumulator, bridge rectifier comprises the first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4, the negative pole of the first diode D1 links to each other with the negative pole of the 4th diode D4, the positive pole of the 4th diode D4 links to each other with the negative pole of the 3rd diode D3, the positive pole of the 3rd diode D3 links to each other with the positive pole of the second diode D2, the negative pole of the second diode D2 links to each other with the positive pole of the first diode D1, the positive pole of the first diode D1 extremely links to each other with one of AC power AC, the negative pole of the 3rd diode D3 links to each other with an end of boosted switch 2, the filtering accumulator comprises the first storage capacitor C1, the second storage capacitor C2, first resistance R 1 and second resistance R 2, the negative pole of the first storage capacitor C1 links to each other with the positive pole of the second storage capacitor C2, the positive pole of the first storage capacitor C1 links to each other with the negative pole of the first diode D1, the negative pole of the second storage capacitor C2 links to each other with the positive pole of the second diode D2, the first storage capacitor C1 is in parallel with first resistance R 1, the second storage capacitor C2 is in parallel with second resistance R 2, the positive pole of the second storage capacitor C2 links to each other with the other end of boosted switch 2, positive and reverse rotation control circuit comprises first relay 31 and second relay 32, the positive pole of the moving contact of the switch of first relay 31 and the first storage capacitor C1 joins, the negative pole of the fixed contact of the switch of first relay 31 and the second storage capacitor C2 forms the master control output, and second relay 32 is arranged between master control output and the motor 4.
Operation principle of the present utility model is as follows:
When the AC power AC of 180 ~ 260V input machine, through being divided into two-way after the negative temperature coefficient power thermistor (not shown), one the tunnel through the 5th diode D5, the 3rd resistance R 3, the detection of optical coupler IC and the 4th resistance R 4, provide a voltage signal to control chip 1, detect voltage signal this moment is 180 ~ 260V, control chip 1 does not start boosted switch 2, power supply the second road voltage is through the first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4 carry out exporting behind the conventional bridge rectifier, again after the filtering energy storage effect of the first storage capacitor C1 through connecting and the second storage capacitor C2, through 4 work of supply motor behind the positive and reverse rotation control circuit, this voltage is without boosting, the voltage of supply motor 4 is consistent with extraneous supply voltage, and motor 4 can operate as normal.
Behind the AC power AC of 90 ~ 130V input machine, through being divided into two-way behind the negative temperature coefficient power thermistor, one tunnel detection through the 5th diode D5, the 3rd resistance R 3, optical coupler IC and the 4th resistance R 4, provide a voltage signal to control chip 1, detect voltage signal this moment is 90 ~ 130V, control chip 1 starts boosted switch 2 (this boosted switch 2 can be with mechanical contact-type switch or electronic switch), and power supply the second road voltage boosts through entering rectification boosting circuit.Its process is as follows:
When very during the positive half cycle of voltage of the AC power AC of 90 ~ 130V, the pole tension of AC power AC is positive voltage, another pole tension of AC power AC is negative voltage, positive voltage is added to the positive pole of the electric capacity first storage capacitor C1 after through the first diode D1, get back to another utmost point of AC power AC behind the boosted switch 2 after the negative pole process conducting of the first storage capacitor C1, constitute the charge circuit to the first storage capacitor C1 like this, equal supply voltage after the voltage at the first storage capacitor C1 two ends is full of
When another of the AC power AC of 90 ~ 130V very during the positive half cycle of voltage, another pole tension of AC power AC is for just, the pole tension of AC power AC is for negative, another utmost point positive voltage of AC power AC is connected on the positive pole of the second storage capacitor C2 through the boosted switch 2 after the conducting, the cathode voltage signal of the second storage capacitor C2 is got back to the utmost point of power supply AC power AC after through the second diode D2, constitute the charge circuit to the second storage capacitor C2 like this, equal supply voltage after the voltage at the second storage capacitor C2 two ends is full of.
The first storage capacitor C1 connects with the second storage capacitor C2, the voltage of supply motor 4 is the voltage sum that the voltage on the first storage capacitor C1 adds the second storage capacitor C2, because the voltage on the first storage capacitor C1 and the second storage capacitor C2 all equals supply voltage after the one-period charging, therefore the total voltage of output equals the extraneous input voltage of twice, i.e. external world's input 90 ~ 130V voltage, through can be changed into the voltage of 180 ~ 260V after boosting, through 4 work of supply motor behind the positive and reverse rotation control circuit, voltage behind motor 4 operating voltages and the capacitance boost is complementary, but so motor 4 operate as normal.
Claims (4)
1. the electronics increasing apparatus of a shredder dedicated motor power supply, comprise AC power and boost control circuit, described AC power links to each other with motor by described boost control circuit, it is characterized in that described boost control circuit comprises voltage detecting circuit, control chip, rectification boosting circuit and positive and reverse rotation control circuit, described AC power links to each other with described rectification boosting circuit with described voltage detecting circuit respectively, described voltage detecting circuit, described rectification boosting circuit all links to each other with described control chip with described positive and reverse rotation control circuit, described rectification boosting circuit links to each other with described positive and reverse rotation control circuit, and described positive and reverse rotation control circuit links to each other with described motor.
2. the electronics increasing apparatus of a kind of shredder dedicated motor power supply according to claim 1, it is characterized in that described voltage detecting circuit comprises the 5th diode, the 3rd resistance, the 6th diode, the 4th resistance and optical coupler, the positive pole of described the 5th diode extremely links to each other with one of described AC power, the negative pole of described the 5th diode links to each other with an end of described the 3rd resistance, the other end of described the 3rd resistance links to each other with the positive pole of the input of described optical coupler, one end of described the 4th resistance links to each other with the negative pole of the input of described optical coupler, one end of described the 4th resistance links to each other with the positive pole of described the 6th diode, the negative pole of described the 6th diode links to each other with the other end of described the 3rd resistance, another of the other end of described the 4th resistance and described AC power extremely links to each other, the positive pole of the output of described optical coupler links to each other with described control chip, working power VCC links to each other the minus earth of the output of described optical coupler by the 5th resistance with the positive pole of the output of described optical coupler.
3. the electronics increasing apparatus of a kind of shredder dedicated motor power supply according to claim 2, it is characterized in that described rectification boosting circuit comprises boosted switch, bridge rectifier and filtering accumulator, described bridge rectifier comprises first diode, second diode, the 3rd diode and the 4th diode, the negative pole of described first diode links to each other with the negative pole of described the 4th diode, the positive pole of described the 4th diode links to each other with the negative pole of described the 3rd diode, the positive pole of described the 3rd diode links to each other with the positive pole of described second diode, the negative pole of described second diode links to each other with the positive pole of described first diode, the positive pole of described first diode extremely links to each other with one of described AC power, the negative pole of described the 3rd diode links to each other with an end of described boosted switch, described filtering accumulator comprises first storage capacitor, second storage capacitor, first resistance and second resistance, the negative pole of described first storage capacitor links to each other with the positive pole of described second storage capacitor, the positive pole of described first storage capacitor links to each other with the negative pole of described first diode, the negative pole of described second storage capacitor links to each other with the positive pole of described second diode, described first storage capacitor is in parallel with described first resistance, described second storage capacitor is in parallel with described second resistance, and the positive pole of described second storage capacitor links to each other with the other end of described boosted switch.
4. the electronics increasing apparatus of a kind of shredder dedicated motor power supply according to claim 3, it is characterized in that described positive and reverse rotation control circuit comprises first relay and second relay, the positive pole of the moving contact of the switch of described first relay and described first storage capacitor joins, the negative pole of the fixed contact of the switch of described first relay and second storage capacitor forms the master control output, and described second relay is arranged between described master control output and the described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320207471 CN203225691U (en) | 2013-04-22 | 2013-04-22 | Electronic voltage-increasing apparatus for special-purpose motor power supply of shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320207471 CN203225691U (en) | 2013-04-22 | 2013-04-22 | Electronic voltage-increasing apparatus for special-purpose motor power supply of shredder |
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| Publication Number | Publication Date |
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| CN203225691U true CN203225691U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320207471 Expired - Lifetime CN203225691U (en) | 2013-04-22 | 2013-04-22 | Electronic voltage-increasing apparatus for special-purpose motor power supply of shredder |
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| CN (1) | CN203225691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984408A (en) * | 2017-03-15 | 2017-07-28 | 苏州合欣美电子科技有限公司 | A kind of shredder based on automatic detection |
-
2013
- 2013-04-22 CN CN 201320207471 patent/CN203225691U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984408A (en) * | 2017-03-15 | 2017-07-28 | 苏州合欣美电子科技有限公司 | A kind of shredder based on automatic detection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |