CN102664521A - Direct current (DC) boosted circuit made from time base circuit - Google Patents
Direct current (DC) boosted circuit made from time base circuit Download PDFInfo
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- CN102664521A CN102664521A CN2012101331093A CN201210133109A CN102664521A CN 102664521 A CN102664521 A CN 102664521A CN 2012101331093 A CN2012101331093 A CN 2012101331093A CN 201210133109 A CN201210133109 A CN 201210133109A CN 102664521 A CN102664521 A CN 102664521A
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Abstract
The invention relates to a direct current (DC) boosted circuit made from a time base circuit. The boosted circuit consists of a 12V DC power supply, a multi-harmonic oscillation circuit, a voltage-doubling rectifier and filter circuit and a voltage-doubling DC output terminal, wherein the mode of the time base circuit IC1 in the multi-harmonic oscillation circuit is NE555. In order to additionally provide an auxiliary power supply for electronic equipment, a method that low-voltage DC is boosted is mostly used due to circumstances that the equipment is inconveniently provided with a plurality of power supplies or charged outdoors in emergency, and the like because the equipment is restricted in geometric dimensions or works outdoors, however, the disclosed circuit structures are diverse, some circuits are relatively complicated, and thus, the application and the popularization of an MC34063 integrated circuit are subjected to certain restrictions. According to the DC boosted circuit made from the time base circuit, the common time base circuit is used as a core element, a peripheral circuit of the DC boosted circuit is a common resistor-capacitor element, and the aim of DC boost is realized. The DC boosted circuit has the advantages of simple circuit structure, no debugging, and the like.
Description
Technical field
The invention belongs to electronics and power technique fields, is the direct current booster circuit about a kind of time spent base circuit production.
Background technology
The integrated regulator that boosts commonly used is MC34063; It is using on a lot of circuit; As: for electronic equipment increases accessory power supply; Or be restricted or, how solve through step-up method because of device geometry with low-voltage DC because of the equipment inconvenience of working out of doors is provided with multi-group power or situation such as emergent charging out of doors.But disclosed circuit structure is varied, the circuit more complicated that has, thereby make the MC34063 integrated circuit use and popularization receives certain limitation.The direct current booster circuit of time spent base circuit production of the present invention uses very common time-base circuit as core parts; Its peripheral circuit uses common Resistor-Capacitor Unit; Realized the purpose that direct current boosts, it is simple and direct and exempt from advantages such as debugging that the present invention has circuit structure.
The direct current booster circuit that below specifies this time spent base circuit production related relevant manufacturing technology content in manufacturing process.
Summary of the invention
Goal of the invention and beneficial effect: be that electronic equipment increases accessory power supply, or, how solve through step-up method with low-voltage DC because of device geometry is restricted or the equipment inconvenience of working out of doors is provided with multi-group power or situation such as emergent charging out of doors.But disclosed circuit structure is varied, the circuit more complicated that has, thereby make this integrated circuit of MC34063 use and popularization receives certain limitation.The direct current booster circuit of time spent base circuit production of the present invention uses very common time-base circuit as core parts; Its peripheral circuit uses common Resistor-Capacitor Unit; Realized the purpose that direct current boosts, it is simple and direct and exempt from advantages such as debugging that the present invention has circuit structure.
The circuit working principle: the time spent direct current booster circuit of base circuit production is actually a voltage-multiplying circuit; Constitute the multivibrator of a 20KHz by time-base circuit and peripheral cell, switching diode D1, D2 and electrochemical capacitor C2, C3 form voltage doubling rectifing circuit.During the 3rd pin output low level of basic at that time IC circuit 1; Electrochemical capacitor C2 is charged near 12V DC power supply voltage through switching diode D1; When the 3rd pin of basic circuit was output as high level at that time, electrochemical capacitor C2 gave electrochemical capacitor C3 charging through switching diode D2, discharges and recharges so repeatedly; Make the voltage on the electrochemical capacitor C3 also approach 12V DC power supply voltage; Just near the 12V DC power supply voltage of twice, electrochemical capacitor C3 goes up double voltage through inductance coil L1, electrochemical capacitor C4 filtering to the positive pole of electrochemical capacitor C3, exports more stable multiplication of voltage direct current with respect to circuit ground GND.
Technical scheme: the direct current booster circuit of time spent base circuit production, it is made up of 12V DC power supply, multi-resonant oscillating circuit, voltage multiplying rectifier and filter circuit, multiplication of voltage dc output end, and its characteristic comprises:
Multi-resonant oscillating circuit: form by time-base circuit IC1, resistance R 1, resistance R 2, timing capacitor C1; The model that time-base circuit IC1 selects for use is NE555; The 2nd pin of time-base circuit IC1 and the 6th pin connect the end of timing capacitor C1 and an end of resistance R 2; The 7th pin of another termination time-base circuit IC1 of resistance R 2 and an end of resistance R 1; Another termination 12V dc power anode VCC of resistance R 1, the 4th pin of time-base circuit IC1 and the 8th pin meet 12V dc power anode VCC, the 1st pin connection circuit ground GND of the other end of timing capacitor C1 and time-base circuit IC1;
Voltage multiplying rectifier and filter circuit: form by electrochemical capacitor C2, switching diode D1, switching diode D2, electrochemical capacitor C3, inductance coil L1 and electrochemical capacitor C4; The negative pole of electrochemical capacitor C2 connects the 3rd pin of time-base circuit IC1; The positive pole of electrochemical capacitor C2 connects the negative pole of switching diode D1 and the positive pole of switching diode D2; The negative pole of switching diode D2 connects the end of inductance coil L1 and the positive pole of electrochemical capacitor C3; The negative pole of the positive pole of switching diode D1 and electrochemical capacitor C3 meets 12V dc power anode VCC, the positive pole of another termination electrochemical capacitor C4 of inductance coil L1, the negative pole connection circuit ground GND of electrochemical capacitor C4;
The positive pole of multiplication of voltage dc output end meets lead-out terminal VCC1, and the negative pole of multiplication of voltage dc output end links to each other with circuit ground GND.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the present invention provides the direct current booster circuit of a time spent base circuit production.
Embodiment
Fundamental diagram and description of drawings according to the direct current booster circuit of time spent shown in the accompanying drawing 1 base circuit production; And according to the annexation between the components and parts in the described each several part circuit of summary of the invention, and the components and parts technical parameter described in the execution mode requires to implement to realize the present invention.
Components and parts title and important technological parameters
IC1 is 555 time-base circuits, and model is NE555, or selects Ka555 type time-base circuit for use; Time-base circuit IC1 is 8 pin dual inline type DIP encapsulation, and each pin function is respectively: 1 pin is circuit ground GND; 2 pin are trigger end; 3 pin outputs; 4 pin preset ends; 5 pin are control voltage; 6 pin thresholdings (threshold value); 7 pin are discharge end; 8 pin meet the anodal VCC of DC power supply;
D1, D2 are switching diode or high-frequency rectification diode, and parameter is forward current 2A, and selecting model for use is 2CK3, also can select Schottky diode for use, should not use the low frequency rectifier diode of 2CP or 2CZ type;
All resistance is selected the 1/4W metalfilmresistor for use, and the resistance of resistance R 1 is 1K Ω; The resistance of resistance R 2 is 3.3K Ω;
The capacity of timing capacitor C1 is 0.01 μ F; The capacity of electrochemical capacitor C2 is 68 μ F/25V; The capacity of electrochemical capacitor C3 is 68 μ F/25V; The capacity of electrochemical capacitor C4 is 220 μ F/40V;
The magnetic core cross section of inductance L 1 is EI25 or toroidal core, and sensibility reciprocal is 0.5mH, and electric current is 200mA.
Circuit production main points and circuit debugging
Inductance is made: it is EI25 that FERRITE CORE is selected model for use; Tongue cross section 6.5mm * 6.5mm, flat around 70～75 circles with 2 strands of ￠ 0.25mm enamelled wires at the skeleton higher slice, or use annular ferrite; Select ￠ >=0.45mm enamelled wire to wear Rao100Quan, envelope is soaked with 504 epoxy glues in the back that completes;
Circuit oscillation frequency requirement of the present invention is more than 20KHz, and the inductance value of inductance coil L1 is 0.5mH, and the peak-to-peak value of output voltage fluctuation is about 10mV; If reduce the frequency of oscillation of circuit, then need suitably to increase the inductance value of inductance coil L1 and the capacity of electrochemical capacitor C4;
As long as the electronic devices and components performance that the direct current booster circuit uses is intact, weld according to the annexation of components and parts shown in the accompanying drawing 1, and wiring is conscientiously checked and is checked to physics, and install, welding errorless after, circuit need not debugged can operate as normal;
The adjustment of multiplication of voltage VD: the output voltage of booster circuit generally need not be adjusted; Need adjustment if the output voltage deviation is bigger; The available digital voltmeter is kept watch on the magnitude of voltage of lead-out terminal VCC1, is main with the resistance of adjusting resistance R 1, and the capacity of adjustment timing capacitor C1 is auxilliary; The 12V DC power supply is through after the boost in voltage, and output dc voltage is near 24V, output current >=150mA.
Claims (1)
1. the direct current booster circuit of time spent base circuit production, it is made up of 12V DC power supply, multi-resonant oscillating circuit, voltage multiplying rectifier and filter circuit, multiplication of voltage dc output end, and its characteristic comprises:
Multi-resonant oscillating circuit is made up of time-base circuit IC1, resistance R 1, resistance R 2, timing capacitor C1; The model that time-base circuit IC1 selects for use is NE555; The 2nd pin of time-base circuit IC1 and the 6th pin connect the end of timing capacitor C1 and an end of resistance R 2; The 7th pin of another termination time-base circuit IC1 of resistance R 2 and an end of resistance R 1; Another termination 12V dc power anode VCC of resistance R 1, the 4th pin of time-base circuit IC1 and the 8th pin meet 12V dc power anode VCC, the 1st pin connection circuit ground GND of the other end of timing capacitor C1 and time-base circuit IC1;
Voltage multiplying rectifier and filter circuit are made up of electrochemical capacitor C2, switching diode D1, switching diode D2, electrochemical capacitor C3, inductance coil L1 and electrochemical capacitor C4; The negative pole of electrochemical capacitor C2 connects the 3rd pin of time-base circuit IC1; The positive pole of electrochemical capacitor C2 connects the negative pole of switching diode D1 and the positive pole of switching diode D2; The negative pole of switching diode D2 connects the end of inductance coil L1 and the positive pole of electrochemical capacitor C3; The negative pole of the positive pole of switching diode D1 and electrochemical capacitor C3 meets 12V dc power anode VCC, the positive pole of another termination electrochemical capacitor C4 of inductance coil L1, the negative pole connection circuit ground GND of electrochemical capacitor C4;
The positive pole of multiplication of voltage dc output end meets lead-out terminal VCC1, and the negative pole of multiplication of voltage dc output end links to each other with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101331093A CN102664521A (en) | 2012-05-02 | 2012-05-02 | Direct current (DC) boosted circuit made from time base circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101331093A CN102664521A (en) | 2012-05-02 | 2012-05-02 | Direct current (DC) boosted circuit made from time base circuit |
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| CN102664521A true CN102664521A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101331093A Pending CN102664521A (en) | 2012-05-02 | 2012-05-02 | Direct current (DC) boosted circuit made from time base circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475231A (en) * | 2013-09-26 | 2013-12-25 | 周云侠 | Time-base circuit direct-current high-voltage generator |
| CN106374760A (en) * | 2016-10-26 | 2017-02-01 | 重庆顺泽环保科技有限公司 | Booster circuit used for water purification device and designed by adopting three-terminal voltage stabilizer |
| CN107040159A (en) * | 2017-05-23 | 2017-08-11 | 安阳市翔宇医疗设备有限责任公司 | A kind of electric bath control circuit and electric bath |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783625Y (en) * | 2005-04-29 | 2006-05-24 | 中国科学院上海光学精密机械研究所 | Small inductance boosting type DC converter |
| CN102255505A (en) * | 2011-07-29 | 2011-11-23 | 索尔思光电（成都）有限公司 | APD (avalanche photo diode) voltage control circuit and method |
| CN102497100A (en) * | 2011-11-17 | 2012-06-13 | 黄勇 | Direct current booster device |
| CN202535269U (en) * | 2012-05-02 | 2012-11-14 | 洪珍 | Direct current voltage-boosting circuit manufactured by time-base circuit |
-
2012
- 2012-05-02 CN CN2012101331093A patent/CN102664521A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783625Y (en) * | 2005-04-29 | 2006-05-24 | 中国科学院上海光学精密机械研究所 | Small inductance boosting type DC converter |
| CN102255505A (en) * | 2011-07-29 | 2011-11-23 | 索尔思光电（成都）有限公司 | APD (avalanche photo diode) voltage control circuit and method |
| CN102497100A (en) * | 2011-11-17 | 2012-06-13 | 黄勇 | Direct current booster device |
| CN202535269U (en) * | 2012-05-02 | 2012-11-14 | 洪珍 | Direct current voltage-boosting circuit manufactured by time-base circuit |
Non-Patent Citations (1)
| Title |
|---|
| 编辑部: "集成电路NE555构成的充电泵电源", 《电子世界》, no. 7, 31 July 2009 (2009-07-31), pages 51 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475231A (en) * | 2013-09-26 | 2013-12-25 | 周云侠 | Time-base circuit direct-current high-voltage generator |
| CN106374760A (en) * | 2016-10-26 | 2017-02-01 | 重庆顺泽环保科技有限公司 | Booster circuit used for water purification device and designed by adopting three-terminal voltage stabilizer |
| CN107040159A (en) * | 2017-05-23 | 2017-08-11 | 安阳市翔宇医疗设备有限责任公司 | A kind of electric bath control circuit and electric bath |
| CN107040159B (en) * | 2017-05-23 | 2023-10-10 | 河南翔宇医疗设备股份有限公司 | Electric bath control circuit and electric bath |
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Application publication date: 20120912 |