CN209488246U - A kind of burst pulse energy recovering circuit - Google Patents
A kind of burst pulse energy recovering circuit Download PDFInfo
- Publication number
- CN209488246U CN209488246U CN201920418633.2U CN201920418633U CN209488246U CN 209488246 U CN209488246 U CN 209488246U CN 201920418633 U CN201920418633 U CN 201920418633U CN 209488246 U CN209488246 U CN 209488246U
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- CN
- China
- Prior art keywords
- lithium battery
- electrically connected
- booster circuit
- capacitor
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of burst pulse energy recovering circuit, including lithium battery B, booster circuit, super capacitor C and bilateral diode D, the cathode of lithium battery B is grounded, the anode of lithium battery B draws output end OUT, the output end of booster circuit is electrically connected with the anode of lithium battery B, the common end grounding of booster circuit, the input terminal of booster circuit is electrically connected with one end of super capacitor C, the other end of super capacitor C is grounded, one end of bilateral diode D is electrically connected with output end OUT, and the other end of bilateral diode D is electrically connected with the input terminal of booster circuit；The utility model can absorb the energy of burst pulse and charge to lithium battery, and will not damage to lithium battery.
Description
Technical field
The utility model relates to energy recovering circuit technical fields, and in particular to a kind of burst pulse energy recovering circuit.
Background technique
In certain micro energy lose applications, such as: fine bourn power generation, impact force power generation, running Generate, Generation, Generator cell power generation system
System, the electricity themselves issued is uneven, and generated energy is again few, and at this moment pulse energy can be carried out effectively recycling just seems especially
It is important, the recycling of this portion of energy be related to system can self-sufficient power supply key.
All be powered using lithium battery generally for micro energy lose system, but lithium battery to the charge efficiency of burst pulse not
Height, and damage of the high voltage narrow pulse to lithium battery is very big.For this problem, general way is in parallel on lithium battery
For one supercapacitor to absorb this burst pulse, this mode is effective for high-power system, but is come to micro energy lose system
It says, micro energy lose system energy itself is smaller, and along with supercapacitor is having own loss due to itself, leakage current can
To reach more than 10 microamperes, this leakage current is fatal to this micro energy lose system.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of burst pulse energy recovering circuit, can absorb narrow
The energy of pulse simultaneously charges to lithium battery, and will not damage to lithium battery.
The burst pulse energy recovering circuit of the utility model, including lithium battery B, booster circuit, super capacitor C and two-way two
The cathode of pole pipe D, lithium battery B are grounded, and the anode of lithium battery B draws output end OUT, the output end and lithium battery B of booster circuit
Anode electrical connection, the input terminal of the common end grounding of booster circuit, booster circuit is electrically connected with one end of super capacitor C, super
The other end ground connection of grade capacitor C, one end of bilateral diode D are electrically connected with output end OUT, the other end of bilateral diode D and
The input terminal of booster circuit is electrically connected.
The burst pulse energy recovering circuit of the utility model, wherein booster circuit includes capacitor C1, C2, inductance L1, two poles
It is electrically connected, rises with one end of super capacitor C after the input terminal Vin series inductance L1 of pipe D1 and boost chip U1, boost chip U1
The public terminal GND ground connection of chip U1 is pressed, the anode of the output end vo ut and lithium battery B of boost chip U1 are electrically connected, diode D1
Anode be electrically connected with the input terminal Vin of boost chip U1, the output end vo ut of the cathode of diode D1 and boost chip U1 are electric
Connection, one end of capacitor C1 are electrically connected with one end of super capacitor C, the other end ground connection of capacitor C1, one end of capacitor C2 and lithium
The anode electrical connection of battery B, the other end ground connection of capacitor C2.
The burst pulse energy recovering circuit of the utility model, wherein the model BL8530 of boost chip U1.
The burst pulse energy recovering circuit of the utility model, wherein the model 1N5819 of diode D1.
The utility model can absorb the energy of burst pulse and charge to lithium battery, and will not cause to damage to lithium battery
Evil.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the circuit diagram of the utility model；
Fig. 2 is the circuit diagram of booster circuit.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
The burst pulse energy recovering circuit of the utility model, including lithium battery B, booster circuit 1, super capacitor C and two-way
The cathode of diode D, lithium battery B are grounded, and the anode of lithium battery B draws output end OUT, output end and the lithium electricity of booster circuit 1
The anode electrical connection of pond B, one end of the common end grounding of booster circuit 1, the input terminal and super capacitor C of booster circuit 1 is electrically connected
It connects, the other end ground connection of super capacitor C, one end of bilateral diode D is electrically connected with output end OUT, and bilateral diode D's is another
End is electrically connected with the input terminal of booster circuit 1.
Booster circuit 1 includes capacitor C1, C2, inductance L1, diode D1 and boost chip U1, the input terminal of boost chip U1
It is electrically connected after Vin series inductance L1 with one end of super capacitor C, the public terminal GND ground connection of boost chip U1, boost chip U1's
Output end vo ut is electrically connected with the anode of lithium battery B, and the anode of diode D1 is electrically connected with the input terminal Vin of boost chip U1,
The cathode of diode D1 is electrically connected with the output end vo ut of boost chip U1, one end of capacitor C1 and one end electricity of super capacitor C
Connection, the other end ground connection of capacitor C1, one end of capacitor C2 are electrically connected with the anode of lithium battery B, the other end ground connection of capacitor C2；
The model BL8530 of boost chip U1；The model 1N5819 of diode D1.
The super capacitor C and lithium battery B of the utility model are connect by booster circuit, output end OUT and super capacitor C by
Bilateral diode D connection；When there is burst pulse in charging system, charged to super capacitor C rapidly by bilateral diode D
(bilateral diode D needs to be selected as the bilateral diode that cut-in voltage is slightly larger than lithium battery B voltage, the effect of bilateral diode D
It is to play the role of isolation), the electric energy stored in super capacitor C charges to lithium battery B by booster circuit, charging complete
Afterwards, booster circuit, lithium battery B and super capacitor C are mutually isolated, are independent of each other.
The foregoing is merely the embodiments of the present invention, are not intended to limit the utility model.For ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all the utility model spirit and principle in
Any modification, equivalent replacement, improvement and so on should all include within the scope of the claims of the utility model.
Claims (4)
1. a kind of burst pulse energy recovering circuit, it is characterised in that: including lithium battery B, booster circuit (1), super capacitor C and double
To diode D, the cathode of the lithium battery B is grounded, and the anode of the lithium battery B draws output end OUT, the booster circuit
(1) output end is electrically connected with the anode of lithium battery B, the common end grounding of the booster circuit (1), the booster circuit (1)
Input terminal be electrically connected with one end of super capacitor C, the other end of super capacitor C ground connection, the one of the bilateral diode D
End is electrically connected with output end OUT, and the other end of the bilateral diode D is electrically connected with the input terminal of booster circuit (1).
2. burst pulse energy recovering circuit according to claim 1, which is characterized in that the booster circuit (1) includes electricity
Hold C1, C2, after the input terminal Vin series inductance L1 of inductance L1, diode D1 and boost chip U1, the boost chip U1 with it is super
One end electrical connection of grade capacitor C, the public terminal GND ground connection of the boost chip U1, the output end vo ut of the boost chip U1
It being electrically connected with the anode of lithium battery B, the anode of the diode D1 is electrically connected with the input terminal Vin of boost chip U1, and described two
The cathode of pole pipe D1 is electrically connected with the output end vo ut of boost chip U1, one end of the capacitor C1 and one end of super capacitor C
Electrical connection, the other end ground connection of the capacitor C1, one end of the capacitor C2 are electrically connected with the anode of lithium battery B, the capacitor
The other end of C2 is grounded.
3. burst pulse energy recovering circuit according to claim 2, which is characterized in that the model of the boost chip U1
BL8530。
4. burst pulse energy recovering circuit according to claim 2, which is characterized in that the model of the diode D1
1N5819。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418633.2U CN209488246U (en) | 2019-03-29 | 2019-03-29 | A kind of burst pulse energy recovering circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418633.2U CN209488246U (en) | 2019-03-29 | 2019-03-29 | A kind of burst pulse energy recovering circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488246U true CN209488246U (en) | 2019-10-11 |
Family
ID=68135011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418633.2U Expired - Fee Related CN209488246U (en) | 2019-03-29 | 2019-03-29 | A kind of burst pulse energy recovering circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209488246U (en) |
-
2019
- 2019-03-29 CN CN201920418633.2U patent/CN209488246U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20200329 |