CN105353814A - Intelligent alternating-current purification voltage-stabilizing power source - Google Patents
Intelligent alternating-current purification voltage-stabilizing power source Download PDFInfo
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- CN105353814A CN105353814A CN201510825562.4A CN201510825562A CN105353814A CN 105353814 A CN105353814 A CN 105353814A CN 201510825562 A CN201510825562 A CN 201510825562A CN 105353814 A CN105353814 A CN 105353814A
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- circuit
- voltage
- power source
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- chip microcomputer
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- 238000000746 purification Methods 0.000 title abstract 2
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract 2
- 238000011105 stabilization Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- Control Of Ac Motors In General (AREA)
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Abstract
The invention relates to an intelligent alternating-current purification voltage-stabilizing power source. The power source comprises a power source input end arranged on a panel at the rear side of a box body, a first circuit board is connected to the rear side of a bottom bard inside the box body, a sampling circuit is electrically connected with the power source input end, a second circuit board is connected to the front side of the bottom bard inside the box body, a control panel is connected to the opening end at the front side of the box body in a matched mode, the control panel is provided with a single-chip microcomputer, a display panel is connected to the outer side of the control panel in a matched mode, the display panel is provided with a touch display, a third circuit board is arranged at the upper side of the second circuit board inside the box body, and a power source output end is arranged at the rear side of the box body. By means of the alternating-current voltage-stabilizing power source, the voltage of a power supply circuit can be monitored in real time, the single-chip microcomputer intelligently controls an adjusting circuit and decides whether to make precise adjustment on the voltage or not, the voltage stabilization range is large, the voltage stabilization speed is high, the anti-interference capability is great, and when the voltage in the circuits exceeds the upper limit, a protective circuit is utilized for protecting electric equipment.
Description
Technical field
The present invention relates to electronic equipments, particularly a kind of intelligent AC purified voltage stabilized power source.
Background technology
A kind ofly during alternating current steady voltage plug can provide the electronic installation of stable AC power for load, also known as AC voltage regulator, because mains-supplied pressure is unstable, particularly some power supply site voltage fluctuating range is very large, thus affect the normal work of consumer, consumer also may be caused to damage, and AC voltage regulator is a kind of pressure stabilizing device that the operating voltage of consumer can be made basicly stable.Alternating current steady voltage plug, as the important step in ac power supply system, obtains and applies more and more widely in workshop of today and life.
Alternating current steady voltage plug can not only burning voltage, improve power supply quality, also possess simultaneously and available protecting is carried out to load, extension device serviceable life, assisting user is to the function managed of powering, along with popularizing of various electronic equipment, electronic equipment requires more stable ac power supply, particularly after computer technology is applied to every field, adopt and directly powered by AC network and do not take the mode of any measure can not satisfy the demand, and present most of AC power voltage stabilized range is narrow, anti-interference weak with anti-overload ability, voltage regulation result is affected by environment, voltage stabilizing value can not be regulated automatically, overvoltage protection cannot be carried out, we propose a kind of intelligent AC purified voltage stabilized power source for this reason.
Summary of the invention
The object of the invention is to solve that existing voltage stabilizer volume is large, electromagnetic interference (EMI) is large, poor reliability and operation use the shortcomings such as inconvenient, and a kind of intelligent AC purified voltage stabilized power source proposed.
To achieve these goals, present invention employs following technical scheme:
A kind of intelligent AC purified voltage stabilized power source, comprise the power input be arranged on rear side of casing on panel, the rear side of described casing inner bottom plating is connected with a first circuit board by threaded engagement, described first circuit board is by transformer, stabilivolt, potentiometer, the sample circuit of the first slide rheostat and the second slide rheostat composition, described sample circuit electric connection of power supply input end, described transformer first carries out bridge rectifier, through stabilivolt, potentiometer, after first slide rheostat and the second slide rheostat, the partial pressure value of getting on the first slide rheostat is sampled as AC voltage-stabilizing, the partial pressure value of getting the second slide rheostat is sampled as overvoltage protection, the front side of described casing inner bottom plating is connected with a second circuit board by threaded engagement, described first circuit board electrical connection second circuit board, it described second circuit board is change-over circuit, described change-over circuit comprises A/D change-over circuit and D/A change-over circuit, the openend of described cabinet front is connected with a control panel, described control panel is provided with the single-chip microcomputer of electrical connection second circuit board, the outside of described control panel is connected with a display panel be electrically connected with control panel, described display panel is provided with a touch display be electrically connected with single-chip microcomputer, in described casing, the upside of second circuit board is provided with the tertiary circuit plate be connected electrically, described tertiary circuit board is connected on two side plates of casing, and tertiary circuit plate is Circuit tuning and protection circuit, described Circuit tuning is electrically connected with protection circuit, be provided with on rear side of described casing and Circuit tuning and the equal electric connection of power supply output terminal of protection circuit.
On the basis of technique scheme, following further technical scheme can be had:
Described sample circuit connects reference circuit, sample circuit is after potentiometer, electric resistance partial pressure, take out partial pressure value as reference voltage, sampled voltage and reference voltage compare by voltage comparator, and the simulating signal of acquisition is converted to after digital signal through A/D change-over circuit send to single-chip microcomputer, by the motor whether speed governing of Single-chip Controlling Circuit tuning.
Described protection circuit is made up of integrated circuit and peripheral circuit, when input alternating voltage exceed protection circuit preset ceiling voltage time, protection circuit work, cut off AC voltage-stabilizing circuit voltage export, protection consumer.
Described single-chip microcomputer adopts 89C55 single-chip microcomputer, and connects display input equipment by SG3525PWM control chip.
Described change-over circuit adopts the A/D converter and D/A converter that precision is higher, when carrying out voltage sample, obtaining the higher electric current of precision and exporting.
Described Circuit tuning comprises motor speed control circuit, motor drives and voltage-regulating circuit, described motor speed control circuit, for improving the precision of voltage stabilizing, when the change of output voltage is greater than voltage stabilizing point 5%, Single-chip Controlling motor rapid depressurization or boosting, when the change of output voltage is less than voltage stabilizing point 5%, Single-chip Controlling motor reduction runs, this process, can produce over control due to excessive velocities to prevent transformer in transformation process.
Beneficial effect of the present invention: the alternating current steady voltage plug in the present invention is monitored the voltage of feed circuit by real-time, and shown by display, the adjustment situation of voltage can be monitored intuitively, whether voltage is adjusted by the control Circuit tuning of Intelligent Single-Chip Based again, motor speed control circuit is added in Circuit tuning, improve the precision of voltage stabilizing, simultaneously, the voltage stabilized range of this AC purified voltage stabilized power source is large, voltage stabilizing speed is fast, antijamming capability is strong, and when voltage exceeds higher in circuit, utilize protection circuit, the voltage cutting off AC voltage-stabilizing circuit exports, protection consumer.
Accompanying drawing explanation
Fig. 1 is operating circuit theory diagram of the present invention;
Fig. 2 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
With reference to Fig. 1-2, a kind of intelligent AC purified voltage stabilized power source, comprise the power input 14 be arranged on rear side of casing 1 on panel, the rear side of casing 1 inner bottom plating is connected with a first circuit board 2 by threaded engagement, first circuit board 2 is by transformer 3, stabilivolt 4, potentiometer 5, the sample circuit of the first slide rheostat 6 and the second slide rheostat 7 composition, sample circuit electric connection of power supply input end 14, transformer 3 first carries out bridge rectifier, through stabilivolt 4, potentiometer 5, after first slide rheostat 6 and the second slide rheostat 7, the partial pressure value of getting on the first slide rheostat 6 is sampled as AC voltage-stabilizing, the partial pressure value of getting the second slide rheostat 7 is sampled as overvoltage protection.
The front side of casing 1 inner bottom plating is connected with a second circuit board 8 by threaded engagement, first circuit board 2 is electrically connected second circuit board 8, it second circuit board 8 is change-over circuit, change-over circuit comprises A/D change-over circuit and D/A change-over circuit, and change-over circuit adopts A/D converter and D/A converter that precision is higher, when carrying out voltage sample, obtain the higher electric current of precision to export, sample circuit connects reference circuit, sample circuit is through potentiometer 5, after electric resistance partial pressure, take out partial pressure value as reference voltage, sampled voltage and reference voltage compare by voltage comparator, and the simulating signal of acquisition is converted to after digital signal through A/D change-over circuit send to single-chip microcomputer 10, the motor whether speed governing of Circuit tuning is controlled by single-chip microcomputer 10,
Openend on front side of casing 1 is connected with a control panel 9, control panel 9 is provided with the single-chip microcomputer 10 of electrical connection second circuit board 8, single-chip microcomputer 10 adopts 89C55 single-chip microcomputer, and connect display input equipment by SG3525PWM control chip, the outside of control panel 9 is connected with a display panel 11 be electrically connected with control panel 9, and display panel 11 is provided with a touch display 12 be electrically connected with single-chip microcomputer 10.
In casing 1, the upside of second circuit board 8 is provided with the tertiary circuit plate 13 be connected electrically, tertiary circuit plate 13 is connected on two side plates of casing 1, and tertiary circuit plate 13 is Circuit tuning and protection circuit, Circuit tuning comprises motor speed control circuit, motor drives and voltage-regulating circuit, motor speed control circuit, for improving the precision of voltage stabilizing, when the change of output voltage is greater than voltage stabilizing point 5%, single-chip microcomputer 10 controls motor rapid depressurization or boosting, when the change of output voltage is less than voltage stabilizing point 5%, single-chip microcomputer 10 controls motor reduction and runs, this process, over control can be produced due to excessive velocities in transformation process to prevent transformer 3, this process, over control can be produced due to excessive velocities in transformation process to prevent transformer, as when output voltage is less than 220V, transformer 3 can fail to stop in time due to the inertia of motor in the process of boosting at full speed, output voltage is made to be greater than 220V, transformer can fail to stop in time due to the inertia of motor in the process of boosting at full speed, output voltage is made to be greater than 220V, protection circuit is made up of integrated circuit and peripheral circuit, when input alternating voltage exceed protection circuit preset ceiling voltage time, namely AC voltage regulator has arrived maximum spacing, step-down cannot carried out, the work of single-chip microcomputer 10 control protection electric circuit, the voltage cutting off AC voltage-stabilizing circuit exports, be used for protecting consumer, the serviceable life of extension device, Circuit tuning is electrically connected with protection circuit, be provided with on rear side of casing 1 and Circuit tuning and the equal electric connection of power supply output terminal 15 of protection circuit.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. an intelligent AC purified voltage stabilized power source, it is characterized in that: comprise the power input (14) be arranged on casing (1) rear side panel, the rear side of described casing (1) inner bottom plating is connected with a first circuit board (2) by threaded engagement, described first circuit board (2) is by transformer (3), stabilivolt (4), potentiometer (5), the sample circuit that first slide rheostat (6) and the second slide rheostat (7) form, described sample circuit electric connection of power supply input end (14), described transformer (3) first carries out bridge rectifier, through stabilivolt (4), potentiometer (5), after first slide rheostat (6) and the second slide rheostat (7), the partial pressure value of getting on the first slide rheostat (6) is sampled as AC voltage-stabilizing, the partial pressure value of getting the second slide rheostat (7) is sampled as overvoltage protection, the front side of described casing (1) inner bottom plating is connected with a second circuit board (8) by threaded engagement, described first circuit board (2) electrical connection second circuit board (8), described second circuit board (8) is upper is change-over circuit, described change-over circuit comprises A/D change-over circuit and D/A change-over circuit, the openend of described casing (1) front side is connected with a control panel (9), described control panel (9) is provided with the single-chip microcomputer (10) of electrical connection second circuit board (8), the outside of described control panel (9) is connected with a display panel (11) be electrically connected with control panel (9), described display panel (11) is provided with a touch display (12) be electrically connected with single-chip microcomputer (10), the upside of described casing (1) interior second circuit board (8) is provided with the tertiary circuit plate (13) be connected electrically, described tertiary circuit plate (13) is connected on two side plates of casing (1), and tertiary circuit plate (13) is above Circuit tuning and protection circuit, described Circuit tuning is electrically connected with protection circuit, described casing (1) rear side is provided with and Circuit tuning and the equal electric connection of power supply output terminal (15) of protection circuit.
2. a kind of intelligent AC purified voltage stabilized power source according to claim 1, it is characterized in that: described sample circuit connects reference circuit, sample circuit is after potentiometer (5), electric resistance partial pressure, take out partial pressure value as reference voltage, sampled voltage and reference voltage compare by voltage comparator, and the simulating signal of acquisition is converted to after digital signal through A/D change-over circuit send to single-chip microcomputer (10), the motor whether speed governing of Circuit tuning is controlled by single-chip microcomputer (10).
3. a kind of intelligent AC purified voltage stabilized power source according to claim 1; it is characterized in that: described protection circuit is made up of integrated circuit and peripheral circuit; when input alternating voltage exceed protection circuit preset ceiling voltage time; protection circuit works; the voltage cutting off AC voltage-stabilizing circuit exports, protection consumer.
4. a kind of intelligent AC purified voltage stabilized power source according to claim 1, is characterized in that: described single-chip microcomputer (10) adopts 89C55 single-chip microcomputer, and connects display input equipment by SG3525PWM control chip.
5. a kind of intelligent AC purified voltage stabilized power source according to claim 1, is characterized in that: described change-over circuit adopts the A/D converter and D/A converter that precision is higher, when carrying out voltage sample, obtaining the higher electric current of precision and exporting.
6. a kind of intelligent AC purified voltage stabilized power source according to claim 1, it is characterized in that: described Circuit tuning comprises motor speed control circuit, motor drives and voltage-regulating circuit, described motor speed control circuit, for improving the precision of voltage stabilizing, when the change of output voltage is greater than voltage stabilizing point 5%, single-chip microcomputer (10) controls motor rapid depressurization or boosting, when the change of output voltage is less than voltage stabilizing point 5%, single-chip microcomputer (10) controls motor reduction and runs, this process, over control can be produced due to excessive velocities in transformation process to prevent transformer (3).
Priority Applications (1)
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CN201510825562.4A CN105353814A (en) | 2015-11-24 | 2015-11-24 | Intelligent alternating-current purification voltage-stabilizing power source |
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CN201510825562.4A CN105353814A (en) | 2015-11-24 | 2015-11-24 | Intelligent alternating-current purification voltage-stabilizing power source |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2062871U (en) * | 1989-12-02 | 1990-09-26 | 扬光 | Ac voltage stabilizer |
CN2153826Y (en) * | 1993-04-13 | 1994-01-19 | 陈德文 | High pressure low loss intelligent time-delay ac manostat |
JP2005351921A (en) * | 2004-06-08 | 2005-12-22 | Hitachi Displays Ltd | Display apparatus |
CN201611451U (en) * | 2010-01-26 | 2010-10-20 | 滕敏亮 | Intelligent digital control/display DC regulated power supply |
CN205281306U (en) * | 2015-11-24 | 2016-06-01 | 国家电网公司 | Intelligence exchanges and purifies constant voltage power supply |
-
2015
- 2015-11-24 CN CN201510825562.4A patent/CN105353814A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2062871U (en) * | 1989-12-02 | 1990-09-26 | 扬光 | Ac voltage stabilizer |
CN2153826Y (en) * | 1993-04-13 | 1994-01-19 | 陈德文 | High pressure low loss intelligent time-delay ac manostat |
JP2005351921A (en) * | 2004-06-08 | 2005-12-22 | Hitachi Displays Ltd | Display apparatus |
CN201611451U (en) * | 2010-01-26 | 2010-10-20 | 滕敏亮 | Intelligent digital control/display DC regulated power supply |
CN205281306U (en) * | 2015-11-24 | 2016-06-01 | 国家电网公司 | Intelligence exchanges and purifies constant voltage power supply |
Non-Patent Citations (1)
Title |
---|
陈继文: "电梯控制原理及其应用", 31 May 2012, 北京邮电大学出版社, pages: 126 * |
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