CN106374603A - Anti-high over-loaded secondary power supply device - Google Patents
Anti-high over-loaded secondary power supply device Download PDFInfo
- Publication number
- CN106374603A CN106374603A CN201610821585.2A CN201610821585A CN106374603A CN 106374603 A CN106374603 A CN 106374603A CN 201610821585 A CN201610821585 A CN 201610821585A CN 106374603 A CN106374603 A CN 106374603A
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- Prior art keywords
- power supply
- anode
- negative terminal
- storage capacitor
- voltage
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention provides an anti-high over-loaded secondary power supply device, which comprises a power supply circuit and is formed by potting and solidifying a heat-conducting epoxy adhesive. The power supply circuit comprises a voltage multiplier, a current-limiting resistor, an isolating diode, a voltage stabilizer, a flying capacitor, an energy storage capacitor, a bypass capacitor and a filter capacitor. The voltage multiplier converts input voltage into double output voltage, so that charging voltage of the energy storage capacitor is improved, the discharge time of the energy storage capacitor is prolonged and the endurance of a power supply module is improved. The current-limiting resistor plays a role in protecting the internal voltage stabilizer, so that current input into the voltage stabilizer is within a proper range, a failure, caused by electrical overstress, of an internal circuit of a penetration power supply can be effectively avoided and the reliability of the penetration power supply is improved. A four-path parallel design is adopted by the energy storage capacitor of the power supply circuit, and the reliability of the penetration power supply is also strengthened by a four-path redundancy design.
Description
Technical field
The present invention relates to power technique fields, and in particular to a kind of anti high overload secondary power supply device, are particularly suited for growing
The data logger working power of penetration time.
Background technology
Hard goal penetration technology is included in the seven big advanced technologies in precision strike weapon field.This technology is mainly to be studied
Penetration weapon, the research of each of which item key technology all be unable to do without the development of Penetration dynamic parametric test technology.Although
People conduct extensive research to this complicated process of Projectile Penetration concrete, but rarely have bullet projectile deceleration history so far
The report of test data, and these test datas are necessary for the various theoretical models of checking and numerical simulation result.
Conventional penetration supply unit all forms secondary power supply with storage capacitor and manostat, but the general choosing of storage capacitor
It is selected as ceramic dielectric electric capacity, ceramic dielectric capacitance is typically relatively low, fixs in the condition one of package dimension, limit penetration power supply dress
The time of afterflow put, and there are Multiple Failure Modes in ceramic dielectric electric capacity under big overload impact, directly affect penetration power supply
The anti-big overload performance of device.In addition, for the data logger needing the long penetration time, conventional supply unit storage capacitor
Discharge time not require it is difficult to meet continuation of the journey for a long time.Conventional supply unit also lacks the design such as current-limiting resistance, difficult
To ensure the reliability of penetration power supply.
Content of the invention
The present invention provides a kind of anti high overload secondary power supply device, and the reliability solving existing penetration supply unit is low, continues
The defect that the stream time is short and anti-overload ability is weak.
For realizing the technical purpose of the present invention, present invention employs following technical scheme:
A kind of anti high overload secondary power supply device, solidifies the heat conduction epoxy of power circuit including power circuit and embedding
Glue is it is characterised in that described power circuit includes voltage multiplier n1, current-limiting resistance r1, five isolating diode v1～v5, steady
Depressor n2, striding capacitance c1, five storage capacitor c2～c6, shunt capacitance c8 and two filter capacitors c7, c9；
The anode of input power is connected with the power input anode of voltage multiplier n1 and the anode of isolating diode v5, electricity
The electric capacity anode of pressure multiplexer n1 is connected with the anode of striding capacitance c1, the electric capacity negative terminal of voltage multiplier n1 and striding capacitance c1
Negative terminal connect, the voltage output end of voltage multiplier n1 and storage capacitor c2 anode, one end of current-limiting resistance r1 and isolation
The anode of diode v5 connects；The negative terminal of storage capacitor c2 connects input power negative terminal.The other end of current-limiting resistance r1 and isolation two
The common anode of pole pipe v1, v2 extremely connects, the negative electrode anode with storage capacitor c3, c4, c5, c6 respectively of isolating diode v1, v2
Connect it is ensured that the course of discharge of storage capacitor inputs extreme direction for manostat n2, the anode of storage capacitor c3, c4, c5, c6 is same
When be connected with the anode of isolating diode v3, v4；The negative terminal of storage capacitor c3, c4, c5, c6 connects input power negative terminal；Isolation two
The anode of the input power input, Enable Pin and filter capacitor c7 of pole pipe v3, v4, the common cathode of v5 and manostat n2 is even
Connect, the negative terminal of the negative terminal of storage capacitor c2, c3, c4, c5, c6 and filter capacitor c7 is connected with the negative terminal of input power, voltage stabilizing
Equally also it is connected filter capacitor c9, simultaneously the bypass end of manostat n2 and bypass between the outfan of device n2 and input power negative terminal
One end of electric capacity c8 connects, and the other end of shunt capacitance c8 is connected with the negative terminal of input power.
The Advantageous Effects of the present invention are embodied in:
Voltage multiplier can convert input voltage into double output voltage, improves the charging electricity of storage capacitor
Pressure, extends the discharge time of storage capacitor, improves the cruising time of power module.Current-limiting resistance plays protection internal voltage regulator
Function, makes to be input to the electric current of manostat in suitable scope, can be prevented effectively from electrical over-stress and lead to penetration power source internal
Circuit malfunction, improves the reliability of penetration power supply；The storage capacitor of described power circuit is using using 4 road Parallel Designs, each
Road electric capacity electric discharge all disclosure satisfy that data logger long-time penetration condition, and lost efficacy and just do not interfering with other 3 tunnels in any road
Often work, 4 tunnel Redundancy Design equally strengthen the reliability of penetration power supply.
Brief description
Fig. 1 is power device structure schematic diagram；
Fig. 2 is circuit construction of electric power figure.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
Fig. 1 is power device structure schematic diagram.Described penetration supply unit includes power circuit, and uses heat conduction epoxy glue
Embedding solidification forms, and solidification glue selects the epoxy fill-sealing materials of superior performance.
Fig. 2 is circuit construction of electric power figure.Power circuit includes booster circuit and secondary power supply circuit.
Power circuit includes voltage multiplier n1, current-limiting resistance r1, isolating diode v1～v5, manostat n2, flies across electricity
Hold c1, storage capacitor c2～c6, shunt capacitance c8 and filter capacitor c7, c9.
The anode of input power is connected with the power input anode of voltage multiplier n1 and the anode of isolating diode v5, electricity
The electric capacity anode of pressure multiplexer n1 is connected with the anode of striding capacitance c1, the electric capacity negative terminal of voltage multiplier n1 and striding capacitance c1
Negative terminal connect, the voltage output end of voltage multiplier n1 and storage capacitor c2 anode, one end of current-limiting resistance r1 and isolation
The anode of diode v5 connects；The negative terminal of storage capacitor c2 connects input power negative terminal.The other end of current-limiting resistance r1 and isolation two
The common anode of pole pipe v1, v2 extremely connects, the negative electrode anode with storage capacitor c3, c4, c5, c6 respectively of isolating diode v1, v2
Connect it is ensured that the course of discharge of storage capacitor inputs extreme direction for manostat n2, the anode of storage capacitor c3, c4, c5, c6 is same
When be connected it is ensured that the discharge capability of single channel storage capacitor is not affected by other three tunnels with the anode of isolating diode v3, v4.Storage
The negative terminal of energy electric capacity c3, c4, c5, c6 connects input power negative terminal；The common cathode of isolating diode v3, v4, v5 and manostat n2's
The anode of power input anode, Enable Pin and filter capacitor c7 connects, the negative terminal of storage capacitor c2, c3, c4, c5, c6 and
The negative terminal of filter capacitor c7 is connected with the negative terminal of input power, between the outfan of manostat n2 and input power negative terminal equally
Connect filter capacitor c9, the bypass end of manostat n2 is connected with one end of shunt capacitance c8 simultaneously, the other end of shunt capacitance c8
It is connected with the negative terminal of input power.
According to the characteristic of electric charge flowing in circuit, draw the computing formula of time of afterflow:
In formula, c is the capacity summation of 4 road storage capacitors, uiFor twice power input voltage, ugFor the stable electricity of manostat output
The minimum running voltage of pressure, i is the output current of manostat n2.
In power circuit, each resistance, electric capacity, diode and operational amplifier and single-chip microcomputer adopt Surface Mount Component,
After epoxy pouring sealant integral reinforcing, under high overload environment, the functional reliability of circuit is high.
Before penetration, powered to voltage multiplier by external power source, now, the storage capacitor of penetration supply unit starts to fill
Electricity, after penetration, external power source may lose efficacy under the conditions of high overload, and penetration power source internal storage capacitor starts to discharge, by steady
The photovoltaic conversion of storage capacitor is become the working power of data logger by depressor, records test data.
The voltage multiplier of described power circuit, according to circuit real work voltage, selects the multiplication of microminiature monolithic voltage
Device, voltage conversion efficiency is high, and operating current is low.
The striding capacitance of described power circuit, using the tantalum solid of little, the low equivalent resistance of capacity, anti-big overload superior performance
Capacitor.
The storage capacitor of described power circuit adopts that capacity is big, the tantalum solid capacitor of anti-big overload superior performance, and
Using 4 road Parallel Designs, each road electric capacity is substantially discharged data recording function when all can meet penetration and realizes.
The isolating diode of described power circuit adopts the little Schottky diode of small volume, pressure drop, the electricity of external power source
Pressure deducts the pressure drop of isolating diode, then for manostat input terminal voltage, the pressure drop of isolating diode is less, then manostat is defeated
Enter that terminal voltage is higher, the efficiency of power circuit is higher.
The current-limiting resistance of described power circuit plays protection internal voltage regulator function, makes to be input to the electric current of manostat suitable
In the range of.
The filter capacitor of described power circuit equally adopts the good tantalum electric capacity of anti-overloading performance.
The manostat of described power circuit, from low voltage difference, the dc/dc supply convertor of high load capacity.Power conversion
The voltage conversion of power circuit input terminal voltage or storage capacitor is become data logger working power by device.
Embodiment:
Voltage multiplier n1 is max1682, and r1 is 10k ω, and isolating diode v1, v2 are bat54a, isolating diode v3
～v5 is bat54c, and storage capacitor c2～c6 is 100 μ f, and manostat n2 is spx5205, and striding capacitance c1 is 0 μ f, filter capacitor
C7 is 10 μ f, and shunt capacitance c8 is 0.1 μ f, and filter capacitor c9 is 10 μ f.
Curing adopts 60 DEG C of high temperature, and 4h solidifies.The size of power circuit is 16 × 12, fills the chi after heat conduction epoxy glue
Very little is 21 × 28.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (7)
1. a kind of anti high overload secondary power supply device, solidifies the heat conduction epoxy glue of power circuit including power circuit and embedding,
It is characterized in that, described power circuit include voltage multiplier (n1), current-limiting resistance (r1), five isolating diodes (v1～
V5), manostat (n2), striding capacitance (c1), five storage capacitors (c2～c6), shunt capacitance c8 and two filter capacitors (c7,
c9)；
The anode of input power is connected with the power input anode of voltage multiplier (n1) and the anode of isolating diode (v5), electricity
The electric capacity anode of pressure multiplexer (n1) is connected with the anode of striding capacitance (c1), the electric capacity negative terminal of voltage multiplier (n1) and winged across
Negative terminal connection, the voltage output end of voltage multiplier (n1) and storage capacitor (c2) anode, the current-limiting resistance (r1) of electric capacity (c1)
One end and isolating diode (v5) anode connect；The negative terminal of storage capacitor (c2) connects input power negative terminal；Current-limiting resistance
(r1) the other end is extremely connected with the common anode of isolating diode (v1, v2), the negative electrode of isolating diode (v1, v2) respectively with storage
The anode of energy electric capacity (c3, c4, c5, c6) connects it is ensured that the course of discharge of storage capacitor is manostat (n2) inputs extreme direction, storage
The anode of energy electric capacity (c3, c4, c5, c6) is connected with the anode of isolating diode (v3, v4) simultaneously；Storage capacitor (c3, c4, c5,
C6 negative terminal) connects input power negative terminal；The power input of the common cathode of isolating diode (v3, v4, v5) and manostat (n2) is just
Anode connection, the negative terminal of storage capacitor (c2, c3, c4, c5, c6) and the filtered electrical of end, Enable Pin and filter capacitor (c7)
The negative terminal holding (c7) is connected with the negative terminal of input power, equally also connects between the outfan of manostat (n2) and input power negative terminal
Connect filter capacitor (c9), the bypass end of manostat (n2) is connected with one end of shunt capacitance (c8) simultaneously, shunt capacitance (c8)
The other end is connected with the negative terminal of input power.
2. anti high overload secondary power supply device according to claim 1 is it is characterised in that described voltage multiplier (n1) is adopted
Use monolithic voltage multiplexer.
3. anti high overload secondary power supply device according to claim 1 is it is characterised in that described striding capacitance (c1) adopts
Tantalum solid capacitor.
4. anti high overload secondary power supply device according to claim 1 is it is characterised in that described current-limiting resistance (r1) adopts
Thick film Chip-R.
5. anti high overload secondary power supply device according to claim 1 is it is characterised in that described isolating diode adopts Xiao
Special based diode, is encapsulated as sot-23.
6. anti high overload secondary power supply device according to claim 1 is it is characterised in that described storage capacitor (c2～c6)
Using tantalum solid capacitor.
7. the anti high overload secondary power supply device according to claim 1 or 2 or 3 or 4 or 5 is it is characterised in that described voltage stabilizing
Device (n2) adopts dc/dc supply convertor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821585.2A CN106374603B (en) | 2016-09-14 | 2016-09-14 | A kind of anti high overload secondary power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821585.2A CN106374603B (en) | 2016-09-14 | 2016-09-14 | A kind of anti high overload secondary power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374603A true CN106374603A (en) | 2017-02-01 |
| CN106374603B CN106374603B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610821585.2A Active CN106374603B (en) | 2016-09-14 | 2016-09-14 | A kind of anti high overload secondary power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114372333A (en) * | 2022-03-23 | 2022-04-19 | 中国空气动力研究与发展中心超高速空气动力研究所 | Design method for high-emission overload resistant test model external power module |
Citations (4)
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|---|---|---|---|---|
| JPH09215331A (en) * | 1996-02-09 | 1997-08-15 | Nec Home Electron Ltd | Switching power source apparatus |
| CN201039014Y (en) * | 2007-05-23 | 2008-03-19 | 陆启玉 | High-voltage static generator |
| 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 |
| CN203536929U (en) * | 2013-10-31 | 2014-04-09 | 河南东陆高科实业有限公司 | Load over-current and input power supply reversal connection composite protection circuit |
-
2016
- 2016-09-14 CN CN201610821585.2A patent/CN106374603B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09215331A (en) * | 1996-02-09 | 1997-08-15 | Nec Home Electron Ltd | Switching power source apparatus |
| CN201039014Y (en) * | 2007-05-23 | 2008-03-19 | 陆启玉 | High-voltage static generator |
| 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 |
| CN203536929U (en) * | 2013-10-31 | 2014-04-09 | 河南东陆高科实业有限公司 | Load over-current and input power supply reversal connection composite protection circuit |
Non-Patent Citations (1)
| Title |
|---|
| 姚飞等: "低功耗PMT高压电源设计", 《兵工自动化》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114372333A (en) * | 2022-03-23 | 2022-04-19 | 中国空气动力研究与发展中心超高速空气动力研究所 | Design method for high-emission overload resistant test model external power module |
| CN114372333B (en) * | 2022-03-23 | 2022-05-24 | 中国空气动力研究与发展中心超高速空气动力研究所 | Design method for high-emission overload resistant test model external power module |
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| CN106374603B (en) | 2019-06-18 |
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