CN202167893U - Combined complementary transient-state high-overload uninterrupted power supply module - Google Patents
Combined complementary transient-state high-overload uninterrupted power supply module Download PDFInfo
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- CN202167893U CN202167893U CN2011203086453U CN201120308645U CN202167893U CN 202167893 U CN202167893 U CN 202167893U CN 2011203086453 U CN2011203086453 U CN 2011203086453U CN 201120308645 U CN201120308645 U CN 201120308645U CN 202167893 U CN202167893 U CN 202167893U
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Abstract
The utility model relates to the technical field of a power supply module, specifically to a combined complementary transient-state high-overload uninterrupted power supply module. The utility model solves the problem that a conventional power supply module for a high-overload electronic recording device cannot realize uninterrupted power supply during transient-state high overload. The combined complementary transient-state high-overload uninterrupted power supply module comprises a first power supply battery pack G1, a first charging input interface K1, and a voltage adjustment chip, the connection node of a second diode D2 and a third diode D3 is connected with the anode of a second power supply battery pack G2 via a fifth diode D5, the anode of the second power supply battery pack G2 is connected with a second charging input interface K2 via a fourth diode D4, and a first backup battery pack G3 and a second backup battery pack G4 are connected with the input end of the voltage adjustment chip via a sixth diode D5 and a seventh diode D7 respectively. The combined complementary transient-state high-overload uninterrupted power supply module is ingenious in design, and can be widely used for all kinds of high-overload electronic recording devices.
Description
Technical field
The utility model relates to the supply module technical field, is specially a kind of composition complementary formula transient state high overload uninterrupted power supply module.
Background technology
The high overload measuring technique is mainly used in fuse (promptly utilizing target information and environmental information, the control device of the ignition or the ammunition warhead powder charge of igniting under the predetermined condition) research field.The high overload acceleration is that the signal that utilizes the high overload electronic recording equipment to gather acceleration transducer obtains; Can the particular surroundings that high overload is measured have determined the electronic recording equipment difficulty of design, and electronic recording equipment is supplied power reliably in the high overload process, guarantees the important factors in order to test successfully that is carried out to of whole high overload measuring process.The supply module of existing electronic recording equipment comprises the one group of supplying cell group that is positioned at housing, and supplying cell group and housing keep certain distance and use the Embedding Material embedding all around; The positive pole of supplying cell group links to each other with charging input interface through diode; The positive pole of supplying cell group also links to each other through the input of two dividing potential drop diodes with voltage adjustment chip; Make voltage can satisfy the input terminal voltage scope that voltage adjustment chip is set, the output of voltage adjustment chip links to each other with test circuit module.The supplying cell group is easy to occur the phenomenon of instantaneous power-down when receiving high overload, the battery breakage can occur when serious.Existing method is to be employed in series connection accumulation electric capacity between connected node and the ground of two dividing potential drop diodes; Even but add energy-storage travelling wave tube; When receiving high overload, also be easy to make storage capacitor to damage and cause and to supply power, so be difficult to be implemented in the uninterrupted power supply during the high overload.
Summary of the invention
The utility model can't be realized when the transient state high overload problem of uninterrupted power supply a kind of composition complementary formula transient state high overload uninterrupted power supply module being provided for the supply module that solves existing high overload electronic recording equipment.
The utility model is to adopt following technical scheme to realize: composition complementary formula transient state high overload uninterrupted power supply module comprises the first supplying cell group G1, the first charging input interface K1 and voltage adjustment chip; The positive pole of the first supplying cell group G1 links to each other with the first charging input interface K1 through the first diode D1; The positive pole of the first supplying cell group G1 also links to each other with the input of voltage adjustment chip with the 3rd diode D3 through the second diode D2; Be in series with storage capacitor C between the connected node of the 3rd diode D3 and voltage adjustment chip input and the ground; Comprise that also the vertical first supplying cell group G1 places the second supplying cell group G2, the parallel first supplying cell group G1 in the housing to place the first reserce cell group G3, the parallel second supplying cell group G2 in the housing to place the second reserce cell group G4 and the second charging input interface K2 in the housing; The connected node of the second diode D2 and the 3rd diode D3 links to each other with the positive pole of the second supplying cell group G2 through the 5th diode D5; The positive pole of the second supplying cell group G2 links to each other with the first charging input interface K2 through the 4th diode D4; The first reserce cell group G3 links to each other with the input of voltage adjustment chip with the 7th diode D7 through the 6th diode D6 respectively with the first reserce cell group G4; Be in series with current-limiting protection resistance R 1 between storage capacitor C and the ground; The two ends of the first diode D1 and the 4th diode D4 are parallel with the second measuring resistance R2 and the 3rd measuring resistance R3 respectively.
The output of during use voltage being adjusted chip links to each other with test circuit module.The positive pole of two supplying cell groups all links to each other with charging input interface through diode in the utility model; So be rechargeable battery pack; And two reserce cell groups are the disposable battery group that does not have charging input interface, and promptly supplying cell group and reserce cell group are selected dissimilar batteries for use; Supplying cell group and reserce cell group are pressed disalignment to placement in housing simultaneously; When receiving the transient state high overload; Because the mounting means of battery pack is different with the battery variety of selection; So it cut off the power supply in housing or the characteristic damaged also is different with the time, thereby it is topological to have formed complementary power supply, has guaranteed the uninterrupted power supply of electronic recording equipment when high overload.Between storage capacitor C and ground, be in series with simultaneously current-limiting protection resistance R 1; Even its effect is storage capacitor C short circuit; Also be unlikely to cause the both positive and negative polarity short circuit of the first supplying cell group G1 or the second supplying cell group G2, make the first supplying cell group G1 or the second supplying cell group G2 adjust the chip continued power voltage.Because the unidirectional on state characteristic of diode and diode makes each battery pack have relative independence, when battery pack internal short-circuit or fracture, do not influence the operate as normal of other battery pack; And when the output voltage of a Battery pack group is higher than the output voltage of other battery pack; The not loss of electric weight of other battery pack; Only supply with test circuit module through voltage adjustment chip by the highest battery pack of output voltage; Realize the battery sequential consumption, prolonged the service time of supply module.The purpose of parallelly connected respectively second measuring resistance, the 3rd measuring resistance is directly to import the voltage of node measurement supplying cell group in charging at the two ends of first diode, the 4th diode, so that monitoring at any time; And when the charging end under unexpected situation during with the ground terminal shortcircuit because the unidirectional conducting of diode, electric current can only flow out from measuring resistance R1, because institute's measuring resistance resistance that connects is very big, make that the battery electric quantity loss is very little.
Further, be in series with at least one second voltage adjustment diode D9 between the connected node of said second diode D2 and the 3rd diode D3 and the 5th diode D5; Be in series with at least one first voltage adjustment diode D8 between the connected node of the second diode D2 and the 3rd diode D3 and the second diode D2.Can adjust the input voltage range requirement of setting in the chip according to voltage like this, increase the quantity of voltage adjustment diode, make voltage that the supplying cell group is input to voltage adjustment chip in a suitable scope.
The utility model is verified battery-powered continuity through following test: behind the normal power supply with the output of oscilloscope test voltage adjustment chip; With the V1 place in the circuit break off suddenly or and ground short circuit; The output of observing voltage adjustment chip does not have the instant power-down phenomenon, and the function that does not influence circuit after the supplying cell group fault is described; Behind the normal power supply with the test output terminal of oscilloscope test voltage adjustment chip; With the V2 place in the circuit break off suddenly or and ground short circuit; The output of observing voltage adjustment chip does not have the instant power-down phenomenon yet, does not influence circuit function after reserce cell group fault is described.
The utility model design is ingenious; Can under transient state high overload environment, lasting uninterrupted power supply be provided to Circuits System; The supply module that has solved existing high overload electronic recording equipment can't be realized the problem of uninterrupted power supply when the transient state high overload, adaptable across all high overload electronic recording equipments.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Fig. 2 is the position view of battery pack in housing in the utility model.
The curve chart of electric voltage dropping waveform CH1 and voltage adjustment chip output voltage waveforms CH2 on storage capacitor when Fig. 3 is the battery pack power down.
Among the figure: 1-voltage adjustment chip; The 2-test circuit module.
Embodiment
Composition complementary formula transient state high overload uninterrupted power supply module comprises the first supplying cell group G1, the first charging input interface K1 and voltage adjustment chip 1; The positive pole of the first supplying cell group G1 links to each other with the first charging input interface K1 through the first diode D1; The positive pole of the first supplying cell group G1 also links to each other with the input of voltage adjustment chip 1 with the 3rd diode D3 through the second diode D2; Be in series with storage capacitor C between the connected node of the 3rd diode D3 and voltage adjustment chip 1 input and the ground; Comprise that also the vertical first supplying cell group G1 places the second supplying cell group G2, the parallel first supplying cell group G1 in the housing to place the first reserce cell group G3, the parallel second supplying cell group G2 in the housing to place the second reserce cell group G4 and the second charging input interface K2 in the housing; The connected node of the second diode D2 and the 3rd diode D3 links to each other with the positive pole of the second supplying cell group G2 through the 5th diode D5; The positive pole of the second supplying cell group G2 links to each other with the second charging input interface K2 through the 4th diode D4; The first reserce cell group G3 links to each other with the input of voltage adjustment chip 1 with the 7th diode D7 through the 6th diode D6 respectively with the second reserce cell group G4; Be in series with current-limiting protection resistance R 1 between storage capacitor C and the ground; The two ends of the first diode D1 and the second diode D4 are parallel with the second measuring resistance R2 and the 3rd measuring resistance R3 respectively.Be in series with at least one second voltage adjustment diode D9 between the connected node of said second diode D2 and the 3rd diode D3 and the 5th diode D5; Be in series with at least one first voltage adjustment diode D8 between the connected node of the second diode D2 and the 3rd diode D3 and the second diode D2.
During practical implementation, the quantity of first voltage adjustment diode D8 and second voltage adjustment diode D9 can be adjusted according to actual conditions.Voltage adjustment chip is selected the MAX8882EUTAQ chip for use, and its input voltage requires to be 2.5V-6.5V; And master controller needs two kinds of power voltage supplies just can carry out operate as normal in the chip, so its output voltage is 3.3V and 2.5V (have only input voltage in fact greater than 3.3V, could guarantee that 3.3V output is normal).The first supplying cell group G1 and the second supplying cell group G2 are that 0420306 lithium battery constitutes by two joint models, and the voltage of single-unit lithium battery is 3.7V, and capacity is 170mAh, and then the voltage of binodal lithium battery is 7.4V (two batteries are generally 7.8V when being full of); The first battery backup G3 and the second battery backup G4 are the button silver oxide cell composition of SR44W by three strong joint models of anti-overload ability, and single-unit silver oxide cell voltage is 1.55V, and capacity is 200mAh, and then three batteries series connection back voltage is 4.65V.Diode, diode and voltage adjustment diode are all selected IN4007 for use, and its pressure drop is generally 0.7V.Measuring resistance R2, R3 select the resistance of 10k for use; Storage capacitor C selects F level military products direct insertion 107 (100 μ F) ceramic dielectric electric capacity; Current-limiting protection resistance R 1 is selected the direct insertion resistance of 11 Ω.
Because the input voltage range of voltage adjustment chip requires at 2.5V within the 6.5V; Therefore first voltage adjustment diode D8 all only needs to connect one with second voltage adjustment diode D9; Like this; The voltage of supplying cell group is input to voltage adjustment chip exactly after three diode dividing potential drops, input voltage is U1=7.4-3*0.7=5.3 (V); The voltage that the reserce cell group is exported behind a diode is U2=4.65-0.7=3.95 (V).Learn U1>U2, be 5.3V so be input to the voltage of voltage adjustment chip, the not loss of reserce cell group electric weight.
By following formula the capacity of required storage capacitor is carried out approximate calculation:
The energy that institute's energy requirement during the maintenance=storage capacitor reduces
Institute's energy requirement during the maintenance=
;
Storage capacitor reduces energy=
;
Wherein
is normal working voltage (V);
is (V) for ending operating voltage; T is for requiring the continued power time after the circuit power down; R is the resistance of current limliting protective resistance R1, and I (A) is the operating current of test circuit module; Then the computing formula of the capacity of storage capacitor (ignoring the pressure drop that is caused by IR) is:
When receiving the transient state high overload; Set electric capacity and after the circuit power down, need continued power 2ms; Electric current is 40mA when measuring test circuit module work; And the minimum operating voltage of voltage adjustment chip is 3.3V, then:
(wherein
is diode drop)
So required storage capacitor capacity is:
According to aforementioned calculation, select for use the electric capacity of 100 μ F to get final product practical requirement, can select bigger electric capacity for use if the penetration time is longer.
Function through following testing authentication storage capacitor: after certain all breaks off the V1 in the circuit and V2 place in a flash, i.e. the power supply of supplying cell group and reserce cell group is all broken off.Be illustrated in figure 3 as the electric voltage dropping waveform CH1 of storage capacitor C and the curve chart that voltage is adjusted the output voltage waveforms CH2 of chip; By knowing among the figure; When the power supply of supplying cell group and reserce cell group is all broken off suddenly; The energy that provides on the storage capacitor C can be kept the power supply of 3.120ms, has satisfied the requirement of penetration time.
Claims (2)
1. composition complementary formula transient state high overload uninterrupted power supply module comprises the first supplying cell group (G1), first charging input interface (K1) and voltage adjustment chip (1); The positive pole of the first supplying cell group (G1) links to each other with first charging input interface (K1) through first diode (D1); The positive pole of the first supplying cell group (G1) also links to each other with the input of the 3rd diode (D3) with voltage adjustment chip (1) through second diode (D2); Be in series with storage capacitor (C) between the connected node of the 3rd diode (D3) and voltage adjustment chip (1) input and the ground; It is characterized in that: comprise that also the vertical first supplying cell group (G1) places the second supplying cell group (G2), the parallel first supplying cell group (G1) in the housing to place the first reserce cell group (G3), the parallel second supplying cell group (G2) in the housing to place the second reserce cell group (G4) and second charging input interface (K2) in the housing; The connected node of second diode (D2) and the 3rd diode (D3) links to each other with the positive pole of the second supplying cell group (G2) through the 5th diode (D5); The positive pole of the second supplying cell group (G2) links to each other with second charging input interface (K2) through the 4th diode (D4); The first reserce cell group (G3) links to each other with the input of the 7th diode (D7) with voltage adjustment chip (1) through the 6th diode (D6) respectively with the second reserce cell group (G4); Be in series with current-limiting protection resistance (R1) between storage capacitor (C) and the ground; The two ends of first diode (D1) and the 4th diode (D4) are parallel with second measuring resistance (R2) and the 3rd measuring resistance (R3) respectively.
2. composition complementary formula transient state high overload uninterrupted power supply module according to claim 1 is characterized in that: be in series with at least one second voltage adjustment diode (D9) between the connected node of said second diode (D2) and the 3rd diode (D3) and the 5th diode (D5); Be in series with at least one first voltage adjustment diode (D8) between the connected node of second diode (D2) and the 3rd diode (D3) and second diode (D2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203086453U CN202167893U (en) | 2011-08-24 | 2011-08-24 | Combined complementary transient-state high-overload uninterrupted power supply module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203086453U CN202167893U (en) | 2011-08-24 | 2011-08-24 | Combined complementary transient-state high-overload uninterrupted power supply module |
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| Publication Number | Publication Date |
|---|---|
| CN202167893U true CN202167893U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203086453U Expired - Lifetime CN202167893U (en) | 2011-08-24 | 2011-08-24 | Combined complementary transient-state high-overload uninterrupted power supply module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290857A (en) * | 2011-08-24 | 2011-12-21 | 中北大学 | Combined and complementary type transient high-overload constant power supply module |
| CN105866704A (en) * | 2016-05-27 | 2016-08-17 | 湖南福德电气有限公司 | Special test load box for UPSs (uninterruptable power supplies) |
| CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
-
2011
- 2011-08-24 CN CN2011203086453U patent/CN202167893U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290857A (en) * | 2011-08-24 | 2011-12-21 | 中北大学 | Combined and complementary type transient high-overload constant power supply module |
| CN102290857B (en) * | 2011-08-24 | 2013-05-01 | 中北大学 | Combined and complementary type transient high-overload constant power supply module |
| CN105866704A (en) * | 2016-05-27 | 2016-08-17 | 湖南福德电气有限公司 | Special test load box for UPSs (uninterruptable power supplies) |
| CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120314 |
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| CX01 | Expiry of patent term |