CN203590063U - Continuously adjustable direct current voltage stabilizing circuit for packaging machine - Google Patents
Continuously adjustable direct current voltage stabilizing circuit for packaging machine Download PDFInfo
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- CN203590063U CN203590063U CN201320640365.1U CN201320640365U CN203590063U CN 203590063 U CN203590063 U CN 203590063U CN 201320640365 U CN201320640365 U CN 201320640365U CN 203590063 U CN203590063 U CN 203590063U
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Abstract
The utility model discloses a continuously adjustable direct current voltage stabilizing circuit for a packaging machine. Two ends of a primary winding of a transformer are respectively connected to the positive electrode input terminal and the negative electrode input terminal of the power supply, the first terminal of a secondary winding of the transformer is connected to the first alternating current input terminal of a bridge type rectification circuit, and the second terminal of the secondary winding of the transformer is connected to the second alternating current input terminal of the bridge type rectification circuit. The continuously adjustable direct current voltage stabilizing circuit is advantageous in that, when the switch is conducted, a power supply voltage reduces to a certain voltage via a transformer, goes through rectification by the bridge type rectification circuit, is sent to the input terminals of a first voltage stabilizer and a second voltage stabilizer, then through resistance sampling and a potentiometer, control is performed upon an output voltage, and continuously-adjustable power supply voltage can be obtained at an output terminal. The continuously adjustable direct current voltage stabilizing circuit is advantaged by simple structure and stable work state.
Description
Technical field
The utility model relates to a kind of voltage stabilizing circuit, relates in particular to a kind of continuous adjustable DC voltage stabilizing circuit for packing machine.
Background technology
In packing machine, can use power circuit, arrive greatly at present supercomputer, little of pocket calculating machine in life, all electronic equipments all must could normally be worked under the support of power circuit.Certainly pattern, the complexity of these power circuits vary.The power circuit of supercomputer itself is exactly the power-supply system of a set of complexity.By this cover power-supply system, supercomputer each several part can both obtain continually and steadily, meet the power supply supply of various complex specification.Pocket calculating machine is simple many battery power circuits.More novel circuit possesses the Premium Features such as energy content of battery prompting, power down protection completely.Can say that power circuit is the basis of all electronic equipments, not have power circuit just not have miscellaneous electronic equipment like this.
The DC-stabilized circuit of prior art exists complex structure, the problem that the job stability of circuit is not high.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of continuous adjustable DC voltage stabilizing circuit for packing machine.
In order to achieve the above object, the utility model has adopted following technical scheme:
For a continuous adjustable DC voltage stabilizing circuit for packing machine, comprise transformer, bridge rectifier, the first pressurizer, the second pressurizer, the first switch, second switch, the first potentiometer, the second potentiometer, the first diode to the four diodes, the first electric capacity to the eight electric capacity, the first resistance and the second resistance, the two ends of a winding of described transformer are connected with electrode input end and the negative input of power supply respectively, the first end of the secondary winding of described transformer is connected with the first ac input end of described bridge rectifier, the second end of the secondary winding of described transformer is connected with the second ac input end of described bridge rectifier, the middle-end of the secondary winding of described transformer is connected with the first end of described second switch, the cathode output end of described bridge rectifier respectively with the first end of described the first electric capacity, the first end of described the 3rd electric capacity, the negative pole of described the 4th diode is connected with the input of described the first pressurizer, the second end of described the first electric capacity respectively with the first end of described the second electric capacity, the second end of described second switch, the sliding end of described the first potentiometer, the first end of described the first potentiometer, the first end of described the second potentiometer, the sliding end of described the second potentiometer, ground connection after the first end of described the 7th electric capacity is connected with the first end of described the 8th electric capacity, the cathode output end of described bridge rectifier is connected with the first end of described the first switch, the second end of described the first switch respectively with the second end of described the second electric capacity, the first end of described the 4th electric capacity, the positive pole of described the 3rd diode is connected with the input of described the second pressurizer, and the second end of described the 4th electric capacity is connected with the second end of described the 3rd electric capacity, the negative pole of described the 3rd diode respectively with the output of described the second pressurizer, the positive pole of described the second diode, the first end of described the second resistance, the second end of described the 8th electric capacity is connected with cathode voltage output, and the earth terminal of described the second pressurizer is the first end of the 6th electric capacity respectively, the negative pole of described the second diode, the second end of described the second resistance is connected with the second end of described the second potentiometer, the second end of described the 5th electric capacity respectively with the earth terminal of described the first pressurizer, the positive pole of described the first diode, the second end of the first end of described the first resistance and described the first potentiometer is connected, the positive pole of described the 4th diode respectively with the output of described the first pressurizer, the negative pole of described the first diode, the second end of described the first resistance, the second end of described the 7th electric capacity is connected with cathode voltage output.
The beneficial effects of the utility model are:
A kind of continuous adjustable DC voltage stabilizing circuit for packing machine of the utility model, when switch conduction, supply voltage is down to certain voltage after transformer, after bridge rectifier rectification, send into respectively again the input of the first pressurizer and the second pressurizer, through resistance sampling and potentiometer, output voltage is controlled again, just can obtain continuously adjustable supply voltage at output, circuit structure of the present utility model is simple, and stable working state.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of continuous adjustable DC voltage stabilizing circuit for packing machine of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: a kind of continuous adjustable DC voltage stabilizing circuit for packing machine of the utility model, comprises transformer T, bridge rectifier BR, the first pressurizer IC1, the second pressurizer IC2, the first K switch 1, second switch K2, the first potentiometer RP1, the second potentiometer RP2, the first diode D1 to the four diode D4, the first capacitor C 1 is to the 8th capacitor C 8, the first resistance R 1 and the second resistance R 2, the two ends of a winding of transformer T are connected with electrode input end and the negative input of power supply respectively, the first end of the secondary winding of transformer T is connected with the first ac input end of bridge rectifier BR, the second end of the secondary winding of transformer T is connected with the second ac input end of bridge rectifier BR, the middle-end of the secondary winding of transformer T is connected with the first end of second switch K2, the cathode output end of bridge rectifier BR respectively with the first end of the first capacitor C 1, the first end of the 3rd capacitor C 3, the negative pole of the 4th diode D4 is connected with the input of the first pressurizer IC1, the second end of the first capacitor C 1 respectively with the first end of the second capacitor C 2, the second end of second switch K2, the sliding end of the first potentiometer RP1, the first end of the first potentiometer RP1, the first end of the second potentiometer RP2, the sliding end of the second potentiometer RP2, ground connection after the first end of the 7th capacitor C 7 is connected with the first end of the 8th capacitor C 8, the cathode output end of bridge rectifier BR is connected with the first end of the first K switch 1, the second end of the first K switch 1 respectively with the second end of the second capacitor C 2, the first end of the 4th capacitor C 4, the positive pole of the 3rd diode D3 is connected with the input of the second pressurizer IC2, and the second end of the 4th capacitor C 4 is connected with the second end of the 3rd capacitor C 3, the negative pole of the 3rd diode D3 respectively with the output of the second pressurizer IC2, the positive pole of the second diode D2, the first end of the second resistance R 2, the second end of the 8th capacitor C 8 is connected with cathode voltage output, and the earth terminal of the second pressurizer IC2 is the first end of the 6th capacitor C 6 respectively, the negative pole of the second diode D2, the second end of the second resistance R 2 is connected with the second end of the second potentiometer RP2, the second end of the 5th capacitor C 5 respectively with the earth terminal of the first pressurizer IC1, the positive pole of the first diode D1, the first end of the first resistance R 1 is connected with the second end of the first potentiometer RP1, the positive pole of the 4th diode D4 respectively with the output of the first pressurizer IC1, the negative pole of the first diode D1, the second end of the first resistance R 1, the second end of the 7th capacitor C 7 is connected with cathode voltage output.
The operation principle of a kind of continuous adjustable DC voltage stabilizing circuit for packing machine of the utility model is as follows:
As shown in Figure 1: when a switch conduction wherein, supply voltage is down to certain voltage after transformer T, after bridge rectifier BR rectification, send into respectively again the input of the first pressurizer IC1 and the second pressurizer IC2, through resistance sampling and potentiometer, output voltage is controlled again, just can be obtained continuously adjustable supply voltage at output.
Claims (1)
1. for a continuous adjustable DC voltage stabilizing circuit for packing machine, it is characterized in that: comprise transformer, bridge rectifier, the first pressurizer, the second pressurizer, the first switch, second switch, the first potentiometer, the second potentiometer, the first diode to the four diodes, the first electric capacity to the eight electric capacity, the first resistance and the second resistance, the two ends of a winding of described transformer are connected with electrode input end and the negative input of power supply respectively, the first end of the secondary winding of described transformer is connected with the first ac input end of described bridge rectifier, the second end of the secondary winding of described transformer is connected with the second ac input end of described bridge rectifier, the middle-end of the secondary winding of described transformer is connected with the first end of described second switch, the cathode output end of described bridge rectifier respectively with the first end of described the first electric capacity, the first end of described the 3rd electric capacity, the negative pole of described the 4th diode is connected with the input of described the first pressurizer, the second end of described the first electric capacity respectively with the first end of described the second electric capacity, the second end of described second switch, the sliding end of described the first potentiometer, the first end of described the first potentiometer, the first end of described the second potentiometer, the sliding end of described the second potentiometer, ground connection after the first end of described the 7th electric capacity is connected with the first end of described the 8th electric capacity, the cathode output end of described bridge rectifier is connected with the first end of described the first switch, the second end of described the first switch respectively with the second end of described the second electric capacity, the first end of described the 4th electric capacity, the positive pole of described the 3rd diode is connected with the input of described the second pressurizer, and the second end of described the 4th electric capacity is connected with the second end of described the 3rd electric capacity, the negative pole of described the 3rd diode respectively with the output of described the second pressurizer, the positive pole of described the second diode, the first end of described the second resistance, the second end of described the 8th electric capacity is connected with cathode voltage output, and the earth terminal of described the second pressurizer is the first end of the 6th electric capacity respectively, the negative pole of described the second diode, the second end of described the second resistance is connected with the second end of described the second potentiometer, the second end of described the 5th electric capacity respectively with the earth terminal of described the first pressurizer, the positive pole of described the first diode, the second end of the first end of described the first resistance and described the first potentiometer is connected, the positive pole of described the 4th diode respectively with the output of described the first pressurizer, the negative pole of described the first diode, the second end of described the first resistance, the second end of described the 7th electric capacity is connected with cathode voltage output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640365.1U CN203590063U (en) | 2013-10-17 | 2013-10-17 | Continuously adjustable direct current voltage stabilizing circuit for packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640365.1U CN203590063U (en) | 2013-10-17 | 2013-10-17 | Continuously adjustable direct current voltage stabilizing circuit for packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203590063U true CN203590063U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640365.1U Expired - Fee Related CN203590063U (en) | 2013-10-17 | 2013-10-17 | Continuously adjustable direct current voltage stabilizing circuit for packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203590063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556426A (en) * | 2016-11-21 | 2017-04-05 | 国网四川省电力公司巴中供电公司 | A kind of highly sensitive sample circuit of electric power monitoring |
-
2013
- 2013-10-17 CN CN201320640365.1U patent/CN203590063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106556426A (en) * | 2016-11-21 | 2017-04-05 | 国网四川省电力公司巴中供电公司 | A kind of highly sensitive sample circuit of electric power monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20141017 |
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| EXPY | Termination of patent right or utility model |