CN204244070U - A kind of ultralow unloaded quiescent dissipation power supply - Google Patents
A kind of ultralow unloaded quiescent dissipation power supply Download PDFInfo
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Abstract
A kind of ultralow unloaded quiescent dissipation power supply, comprise metal shell, DC/DC power conversion power module, input control circuit, power input, power output end, input and output common mode filtering circuit, filter common mode inductance, input control circuit part: metal-oxide-semiconductor HAT2147 grid is connected with the emitter-base bandgap grading of the triode of optocoupler, when input provides signal, diode current flow is luminous, triode, metal-oxide-semiconductor and the conducting of input loop, power module has supply power voltage, power supply has output, when TTL is without control signal, grid no-voltage, metal-oxide-semiconductor not conducting, open a way in input loop, the collector electrode of triode is connected with two divider resistance 51K, by two groups of voltage-stabiliser tube step-downs, mos gate pole tension is reduced, realize the loss of MOS simulation, input ground is connected in series to by metal-oxide-semiconductor, grid is without driving voltage, and the utility model has the features such as high efficiency, ultralow unloaded quiescent dissipation and wide adaptability.
Description
Technical field
The utility model relates to a kind of low loss power supply, specifically, relates to a kind of ultralow unloaded quiescent dissipation power supply.
Background technology
Under normal circumstances, when storage battery is as a power supply source, there is control with or without output function to the secondary power supply that rear class is powered, and require that unloaded static current consumption is the smaller the better, the unloaded static current consumption of general secondary power supply is between 10mA-100mA, if secondary power supply is unloaded, quiescent dissipation is larger will affect service time and the useful life of storage battery, for saving storage battery energy and increasing the service life, need the unloaded static current consumption of a kind of static state to be less than the secondary power supply of 0.1mA, realizing storage battery has longer power supply capacity to rear class equipment.
Utility model content
The utility model technical issues that need to address are just the defect overcoming prior art, a kind of ultralow unloaded quiescent dissipation power supply is provided, it achieve the ultralow unloaded quiescent current of input and be only 0.01mA loss control function, there is high efficiency, high reliability and good Electro Magnetic Compatibility.
For solving the problem, the utility model adopts technical scheme as follows:
A kind of ultralow unloaded quiescent dissipation power supply, it is characterized in that: comprise metal shell, DC/DC power conversion power module, input control circuit, power input, power output end, input and output common mode filtering circuit, filter common mode inductance, the integrated design of this power acquisition, described metal shell adopts the shell mechanism of all-metal shielding, input and output add filter circuit, power input and output filter common mode inductance adopt Superfine crystal material, DC/DC power conversion power module realizes the conversion of constrained input electrical isolation and power output and voltage, thus export different voltage and different capacity, input control circuit can be less than 0.01mA by the ultralow unloaded quiescent current in control input end.
Power supply constrained input adopts isolation method, and isolation voltage is not less than DC500V.
DC/DC power conversion power module adopts a control chip to control the mode of doubleway output simultaneously, and every road exports and can realize exporting different voltage and different capacity;
Power input voltage covers DC9-DC80V, and output voltage covers DC3.3V-DC36V, and its peak power output is 350W.
Power input and output filter common mode inductance adopt Superfine crystal material, and owing to adopting integrated design, match and reach optimum, achieve better filter action, have good Electro Magnetic Compatibility under less volume in usefulness.
Input control circuit part: metal-oxide-semiconductor HAT2147 grid is connected with the emitter-base bandgap grading of the triode of optocoupler, when input gives a TTL control 5V signal, the conducting of optocoupler internal body diodes is luminous, triode ON, metal-oxide-semiconductor grid has 2.5V voltage, metal-oxide-semiconductor conducting, the conducting of input loop, power module has supply power voltage, power supply has output, when TTL is without control signal, and grid no-voltage, metal-oxide-semiconductor not conducting, open a way in input loop; The collector electrode of triode is connected with two divider resistance 51K, by two groups of voltage-stabiliser tube step-downs, mos gate pole tension is reduced, thus reduce the drive current of grid, realize the loss of MOS simulation, input ground is connected in series to by metal-oxide-semiconductor, grid, without driving voltage, is equivalent to input open circuit, realizes the ultralow unloaded static current consumption of input.
Outer casing of power supply adopts metal shell, and constrained input end adds filter circuit, has good Electro Magnetic Compatibility; Power supply input control circuit realizes the ultralow unloaded quiescent current of input and is only 0.01mA loss, has high efficiency, the feature of high reliability, and with installing hole, adopts heat loss through conduction mode; Adopt standardization, tandem product design, can adapt to the parameter requests such as most of input voltage, output voltage and power, adaptability is wider.
accompanying drawing illustrates:
Fig. 1 is the power source internal block diagram that tradition has input controlling functions;
Fig. 2 is the utility model input control circuit figure;
Fig. 3, Fig. 4 are the utility model outline drawing.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
A kind of ultralow unloaded quiescent dissipation power supply, it is characterized in that: comprise metal shell, DC/DC power conversion power module, input control circuit, power input, power output end, input and output common mode filtering circuit, filter common mode inductance, the integrated design of this power acquisition, described metal shell adopts the shell mechanism of all-metal shielding, input and output add filter circuit, power input and output filter common mode inductance adopt Superfine crystal material, DC/DC power conversion power module realizes the conversion of constrained input electrical isolation and power output and voltage, export different voltage and different capacity, input control circuit can be less than 0.01mA by the ultralow unloaded quiescent current in control input end.
Power supply constrained input adopts isolation method, and isolation voltage is not less than DC500V.
DC/DC power conversion power module adopts a control chip to control the mode of doubleway output simultaneously, and every road exports can export different voltage and different capacity.
Power input voltage covers DC9-DC80V, and output voltage covers DC3.3V-DC36V, and its peak power output is 350W.
Power input and output filter common mode inductance adopt Superfine crystal material, and due to Integrated design, match and reach optimum, achieve better filter action, have good Electro Magnetic Compatibility under less volume in usefulness.
As shown in Figure 2, metal-oxide-semiconductor HAT2147 grid is connected with the emitter-base bandgap grading of the triode of optocoupler, when input gives a TTL control 5V signal, the conducting of optocoupler internal body diodes is luminous, triode ON, and metal-oxide-semiconductor grid has 2.5V voltage, metal-oxide-semiconductor conducting, the conducting of input loop, power module has supply power voltage, and power supply has output.When TTL is without control signal, grid no-voltage, metal-oxide-semiconductor not conducting, opens a way in input loop.
The collector electrode of triode is connected with two divider resistance 51K, by two groups of voltage-stabiliser tube step-downs, mos gate pole tension is reduced about 2.5V, because metal-oxide-semiconductor HAT2147 gate threshold voltage is about 1V, the drive current of grid can be reduced like this, realize the loss of MOS simulation.Metal-oxide-semiconductor is connected in series to input ground, and grid, without driving voltage, is equivalent to input open circuit, 0.001mA is only because self leakage current of metal-oxide-semiconductor HAT2147 is very little, almost do not have electric current process, power module does not work, and achieves the ultralow unloaded static current consumption of input.
The unloaded quiescent current being tested this input control circuit by digital multimeter is only 0.01mA, the control circuit that low pressure is traditional far away, realizes the ultralow unloaded static current consumption of input, thus improves the useful life of a power supply storage battery.
The utility model is not limited to above-mentioned preferred forms, anyone other any or akin products identical with the utility model drawn under enlightenment of the present utility model, all drops within protection range of the present utility model.
Claims (5)
1. a ultralow unloaded quiescent dissipation power supply, it is characterized in that: comprise metal shell, DC/DC power conversion power module, input control circuit, power input, power output end, input and output common mode filtering circuit, filter common mode inductance, the integrated design of this power acquisition, described metal shell adopts the shell mechanism of all-metal shielding, input and output add filter circuit, filter common mode inductance adopts Superfine crystal material, DC/DC power conversion power module realizes the conversion of constrained input electrical isolation and power output and voltage, export different voltage and different capacity, input control circuit can be less than 0.01mA by the ultralow unloaded quiescent current in control input end.
2. the ultralow unloaded quiescent dissipation power supply of one according to claim 1, input control circuit part: metal-oxide-semiconductor HAT2147 grid is connected with the emitter-base bandgap grading of the triode of optocoupler, when input gives a TTL control 5V signal, the conducting of optocoupler internal body diodes is luminous, triode ON, metal-oxide-semiconductor grid has 2.5V voltage, metal-oxide-semiconductor conducting, the conducting of input loop, power module has supply power voltage, and power supply has output, when TTL is without control signal, grid no-voltage, metal-oxide-semiconductor not conducting, open a way in input loop; The collector electrode of triode is connected with two divider resistance 51K, by two groups of voltage-stabiliser tube step-downs, mos gate pole tension is reduced, thus reduce the drive current of grid, realize the loss of MOS simulation, input ground is connected in series to by metal-oxide-semiconductor, grid, without driving voltage, is equivalent to input open circuit, realizes the ultralow unloaded static current consumption of input.
3. the ultralow unloaded quiescent dissipation power supply of one according to claim 1, power supply constrained input adopts isolation method, and isolation voltage is not less than DC500V.
4. the ultralow unloaded quiescent dissipation power supply of one according to claim 1, DC/DC power conversion power module adopts a control chip to control the mode of doubleway output simultaneously, and every road exports can export different voltage and different capacity.
5. the ultralow unloaded quiescent dissipation power supply of one according to claim 1, power input voltage covers DC9-DC80V, and output voltage covers DC3.3V-DC36V, and its peak power output is 350W.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778770.4U CN204244070U (en) | 2014-12-11 | 2014-12-11 | A kind of ultralow unloaded quiescent dissipation power supply |
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| CN201420778770.4U CN204244070U (en) | 2014-12-11 | 2014-12-11 | A kind of ultralow unloaded quiescent dissipation power supply |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098918A (en) * | 2015-08-25 | 2015-11-25 | 青岛歌尔声学科技有限公司 | Battery power supply circuit and power source with same |
| CN106230259A (en) * | 2016-09-26 | 2016-12-14 | 航天长峰朝阳电源有限公司 | A kind of controllable type high efficiency non-isolated booster power module |
| CN106230270A (en) * | 2016-09-27 | 2016-12-14 | 航天长峰朝阳电源有限公司 | A kind of ultra low quiescent loss integrated power supply module |
| CN108075658A (en) * | 2017-12-28 | 2018-05-25 | 航天长峰朝阳电源有限公司 | A kind of online pulse voltage locking-type control power module |
-
2014
- 2014-12-11 CN CN201420778770.4U patent/CN204244070U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098918A (en) * | 2015-08-25 | 2015-11-25 | 青岛歌尔声学科技有限公司 | Battery power supply circuit and power source with same |
| CN106230259A (en) * | 2016-09-26 | 2016-12-14 | 航天长峰朝阳电源有限公司 | A kind of controllable type high efficiency non-isolated booster power module |
| CN106230270A (en) * | 2016-09-27 | 2016-12-14 | 航天长峰朝阳电源有限公司 | A kind of ultra low quiescent loss integrated power supply module |
| CN108075658A (en) * | 2017-12-28 | 2018-05-25 | 航天长峰朝阳电源有限公司 | A kind of online pulse voltage locking-type control power module |
| CN108075658B (en) * | 2017-12-28 | 2023-10-27 | 航天长峰朝阳电源有限公司 | On-line pulse voltage locking type control power supply module |
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