CN204928268U - Safe and reliable portable power source - Google Patents
Safe and reliable portable power source Download PDFInfo
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- CN204928268U CN204928268U CN201520676122.2U CN201520676122U CN204928268U CN 204928268 U CN204928268 U CN 204928268U CN 201520676122 U CN201520676122 U CN 201520676122U CN 204928268 U CN204928268 U CN 204928268U
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- circuit
- battery
- lithium cell
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- safe
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Abstract
The utility model discloses a safe and reliable portable power source, including plug, intelligent charging protection circuit, nickel -hydrogen battery group, lithium iron phosphate group battery, current -limiting circuit, output socket, electric quantity observation circuit and LED pilot lamp, the plug is connected with the intelligent charging protection circuit, the intelligent charging protection circuit is connected with the LED pilot lamp through the electric quantity observation circuit, the intelligent charging protection circuit is connected with the current -limiting circuit through the lithium iron phosphate group battery, the intelligent charging protection circuit is organized through nickel -hydrogen battery and is connected with the current -limiting circuit, the negative pole of lithium iron phosphate group battery and the anodal series connection of nickel -hydrogen battery group, the current -limiting circuit is connected with the output socket, the utility model discloses organize with nickel -hydrogen battery by the lithium iron phosphate group battery and establish ties through current -limiting circuit direct power feeding, reduced the intermediate circuit and stepped up to the loss of electric current, reduce the temperature rise that the high frequency stepped up and brings, reduce electromagnetic interference, reduced dangerous possible production, strengthen the fail safe nature that the people used, satisfied modern's demand more.
Description
Technical field
The present invention relates to a kind of electronic product, specifically a kind of portable power source, a kind of safe and reliable portable power source.
Background technology
Along with the develop rapidly of society; all kinds of electrical appliance is also constantly emerging in large numbers; the electrical appliance being furnished with charging device is particularly needed to facilitate work and the life requirement of modern people; but along with getting more and more of portable power source; its potential safety hazard also increases gradually; the accident that often there will be portable power source or exploded by charger, brings unnecessary trouble and danger so just to the normal work of people and life.
Utility model content
Therefore, for above-mentioned problem, the present invention proposes a kind of safe and reliable, portable power source of not having power supply can also charge, be convenient for carrying whenever and wherever possible.
For above-mentioned prior art Problems existing, the invention provides a kind of safe and reliable portable power source, be connected in series through current-limiting circuit by ferric phosphate lithium cell group and Ni-MH battery group directly to power, decrease the loss of intermediate circuit boosting to electric current, reduce high frequency boost the temperature rise brought, reduce electromagnetic interference, decrease the generation that danger is possible, strengthen the security reliability that the people use, more meet modern Man's Demands.
To achieve these goals, the present invention is achieved through the following technical solutions: a kind of safe and reliable portable power source, comprise plug, intelligent charge protective circuit, Ni-MH battery group, ferric phosphate lithium cell group, current-limiting circuit, output socket, electric quantity monitoring circuit and LED light, described plug is connected with intelligent charge protective circuit, described intelligent charge protective circuit is connected with LED light by electric quantity monitoring circuit, described intelligent charge protective circuit is connected with current-limiting circuit by ferric phosphate lithium cell group, described intelligent charge protective circuit is connected with current-limiting circuit by Ni-MH battery group, the negative pole of described ferric phosphate lithium cell group and the positive pole of Ni-MH battery group are connected in series, described current-limiting circuit is connected with output socket.
Further, described plug comprises USB input interface.
Further, described ferric phosphate lithium cell group comprises a ferric phosphate lithium cell or more than one ferric phosphate lithium cell is the ferric phosphate lithium cell group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
Further, described Ni-MH battery group comprises a Ni-MH battery or more than one Ni-MH battery is the Ni-MH battery group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
Further, described lithium battery adopts ferric phosphate lithium cell, and ferric phosphate lithium cell refers to that, with the lithium ion battery of LiFePO4 as positive electrode, it has the long-life, and 1C charge and discharge cycle life reaches 2000 times; Fail safe is good, and single battery overcharged voltage 30V does not burn, and puncture is not exploded, and the P-O key in crystal inside is firm, be difficult to decompose, and no matter under inner or external condition, to generate heat, and can not burn, use of more easily connecting; High-temperature behavior is good; Large Copacity; Memory-less effect, can with fill with, first need not discharge and recharge; Lightweight; The feature of environmental protection, ferric phosphate lithium cell has listed again " 863 " national development in Hi-Tech plan of Tenth Five-Year Plan Period in, becomes the project that state key supports and encourages development.
Further, described Ni-MH battery is synthesized by hydrogen ion and metallic nickel, and it is large that it has capacity, and lightweight, the life-span is long, and environmentally safe.
Further, described intelligent charge protective circuit is for comprising a charging protecting module, and charging circuits are protected in the 4 tunnel series connection that this charging protecting module has, and the output voltage of each road charging circuit of this charging protecting module all equals 1.5V.
Further; charging protecting module first via charging circuit in described intelligent charge protective circuit directly carries out protection charging to Ni-MH battery group, carries out protection charging after the two or three No. four charging circuit series connection by aptitude chargeable circuit to ferric phosphate lithium cell group.
Further, the negative pole of described ferric phosphate lithium cell group and positive pole be connected in series, and both electricity are identical, the internal resistance of ferric phosphate lithium cell group is less than the internal resistance of Ni-MH battery group, be connected in series temperature and be added to sour lithium iron battery group here, and sour lithium iron battery high-temperature behavior is good, can not burn, guarantee the fail safe of circuit.
Further, described intelligent charge protective circuit monitored by electric quantity monitoring circuit and LED light both the electricity of battery.
Further, described current-limiting circuit limits ferric phosphate lithium cell group and Ni-MH battery group super-high-current flows out, and to be charged machine or battery with anti-tamper, guarantees the fail safe used.
The invention has the beneficial effects as follows: simple structure, with low cost, export without electromagnetic interference, security reliability, meets modern Man's Demands more.
Accompanying drawing explanation
Fig. 1 is agent structure schematic block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Implement: see Fig. 1, a kind of safe and reliable portable power source, comprise plug, intelligent charge protective circuit, Ni-MH battery group, ferric phosphate lithium cell group, current-limiting circuit, output socket, electric quantity monitoring circuit and LED light, described plug is connected with intelligent charge protective circuit, described intelligent charge protective circuit is connected with LED light by electric quantity monitoring circuit, described intelligent charge protective circuit is connected with current-limiting circuit by ferric phosphate lithium cell group, described intelligent charge protective circuit is connected with current-limiting circuit by Ni-MH battery group, the negative pole of described ferric phosphate lithium cell group and the positive pole of Ni-MH battery group are connected in series, described current-limiting circuit is connected with output socket.
Described plug comprises USB input interface.
Described ferric phosphate lithium cell group comprises a ferric phosphate lithium cell or more than one ferric phosphate lithium cell is the ferric phosphate lithium cell group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
Described Ni-MH battery group comprises a Ni-MH battery or more than one Ni-MH battery is the Ni-MH battery group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
Described lithium battery adopts ferric phosphate lithium cell, and ferric phosphate lithium cell refers to that, with the lithium ion battery of LiFePO4 as positive electrode, it has the long-life, and 1C charge and discharge cycle life reaches 2000 times; Fail safe is good, and single battery overcharged voltage 30V does not burn, and puncture is not exploded, and the P-O key in crystal inside is firm, be difficult to decompose, and no matter under inner or external condition, to generate heat, and can not burn, use of more easily connecting; High-temperature behavior is good; Large Copacity; Memory-less effect, can with fill with, first need not discharge and recharge; Lightweight; The feature of environmental protection, ferric phosphate lithium cell has listed again " 863 " national development in Hi-Tech plan of Tenth Five-Year Plan Period in, becomes the project that state key supports and encourages development.
Described Ni-MH battery is synthesized by hydrogen ion and metallic nickel, and it is large that it has capacity, and lightweight, the life-span is long, and environmentally safe.
Described intelligent charge protective circuit is for comprising a charging protecting module, and charging circuits are protected in the 4 tunnel series connection that this charging protecting module has, and the output voltage of each road charging circuit of this charging protecting module all equals 1.5V.
Charging protecting module first via charging circuit in described intelligent charge protective circuit directly carries out protection charging to Ni-MH battery group, is charged after the two or three No. four charging circuit series connection by aptitude chargeable circuit to ferric phosphate lithium cell group.
The negative pole of described ferric phosphate lithium cell group and the positive pole of Ni-MH battery group are connected in series, and both electricity are identical, the internal resistance of ferric phosphate lithium cell group is less than the internal resistance of Ni-MH battery group, be connected in series temperature and be added to sour lithium iron battery group here, and sour lithium iron battery high-temperature behavior is good, can not burn, guarantee the fail safe of circuit.
Described intelligent charge protective circuit monitored by electric quantity monitoring circuit and LED light both the electricity of battery.
Described current-limiting circuit limits ferric phosphate lithium cell group and Ni-MH battery group super-high-current flows out, and to be charged machine or battery with anti-tamper, guarantees the fail safe used.
The electricity of described Ni-MH battery group is identical with the electricity of ferric phosphate lithium cell group, and the nominal voltage of Ni-MH battery is 1.2V, and overdischarge pressure 0.9V, overcharged voltage 1.35V, formed after Ni-MH battery parallel connection and combine or these, the nominal voltage 3.2v of ferric phosphate lithium cell, overdischarge pressure 2.9V, saturation voltage 3.65v, combination is formed constant equally after ferric phosphate lithium cell parallel connection, and two groups are together in series, so the nominal voltage 4.4V of two groups of series connection, overdischarge pressure 3.8V, saturation voltage 5.0V, electric current by high-pressure spray to low pressure, can directly be powered to output interface by current-limiting circuit, and it is middle lossless, also efficient object is namely reached, bring temperature rise without the need to inductance concussion boosting and export without electromagnetic interference, also the harm brought by live part is given without big current, guarantee circuit safety reliability, simplify circuit and structure greatly, reduce cost, avoid the current loss that booster circuit brings simultaneously, realize the object of efficient charging, realization does not have power supply to charge whenever and wherever possible.
Use: first utilize external power supply to be charged to intelligent charge protective circuit by plug in use, because the charging protecting module in intelligent charge protective circuit comprises 4 road serial connection charge circuit, first via charging circuit is to Ni-MH battery charging group protection charging, by aptitude chargeable circuit, protection charging is carried out to ferric phosphate lithium cell group after two or three No. four charging circuit series connection, the electricity of the machine is then shown by the LED light be connected with electric quantity monitoring module, electricity is deposited with the normal bright prompting the machine of LED light, other LED light are then pointed out in a flashing manner and are charged to this lattice capacity of the machine, saturated rear the machine of charging enters low-power consumption standby state with aptitude manner, when the machine is to charging external equipment, the supplying power for outside while of after being connected by ferric phosphate lithium cell group and Ni-MH battery group, the electricity consumed is identical, and the machine is containing current limit circuit, stop super-high-current and bring harm, thus easy to use safe and reliable.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (9)
1. a safe and reliable portable power source, comprise plug, intelligent charge protective circuit, Ni-MH battery group, ferric phosphate lithium cell group, current-limiting circuit, output socket, electric quantity monitoring circuit and LED light, it is characterized in that: described plug is connected with intelligent charge protective circuit, described intelligent charge protective circuit is connected with LED light by electric quantity monitoring circuit, described intelligent charge protective circuit is connected with current-limiting circuit by ferric phosphate lithium cell group, described intelligent charge protective circuit is connected with current-limiting circuit by Ni-MH battery group, the negative pole of described ferric phosphate lithium cell group and the positive pole of Ni-MH battery group are connected in series, described current-limiting circuit is connected with output socket.
2. safe and reliable portable power source according to claim 1, is characterized in that: described plug comprises USB input interface.
3. safe and reliable portable power source according to claim 1; it is characterized in that: described intelligent charge protective circuit is for comprising a charging protecting module; the 4 tunnel series connection protection charging circuits that this charging protecting module has, and the output voltage of each road charging circuit of this charging protecting module all equals 1.5V.
4. safe and reliable portable power source according to claim 1; it is characterized in that: the charging protecting module first via charging circuit in described intelligent charge protective circuit directly carries out protection charging to Ni-MH battery group, after the two or three No. four charging circuit series connection, by aptitude chargeable circuit, protection charging is carried out to ferric phosphate lithium cell group.
5. safe and reliable portable power source according to claim 1, is characterized in that: described ferric phosphate lithium cell group comprises a ferric phosphate lithium cell or more than one ferric phosphate lithium cell is the ferric phosphate lithium cell group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
6. safe and reliable portable power source according to claim 1, is characterized in that: described Ni-MH battery group comprises a Ni-MH battery or more than one Ni-MH battery is the Ni-MH battery group in parallel that positive pole is connected with positive pole, negative pole is connected with negative pole to be formed respectively.
7. safe and reliable portable power source according to claim 1, is characterized in that: the negative pole of described ferric phosphate lithium cell group and the positive pole of Ni-MH battery group are connected in series, and both electricity are identical.
8. safe and reliable portable power source according to claim 1, is characterized in that: described intelligent charge protective circuit monitored by electric quantity monitoring circuit and LED light both the electricity of battery.
9. safe and reliable portable power source according to claim 1, is characterized in that: described current-limiting circuit limits ferric phosphate lithium cell group and Ni-MH battery group super-high-current flows out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676122.2U CN204928268U (en) | 2015-09-02 | 2015-09-02 | Safe and reliable portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520676122.2U CN204928268U (en) | 2015-09-02 | 2015-09-02 | Safe and reliable portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928268U true CN204928268U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520676122.2U Expired - Fee Related CN204928268U (en) | 2015-09-02 | 2015-09-02 | Safe and reliable portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140995A (en) * | 2015-09-02 | 2015-12-09 | 刘云腾 | Safe and reliable portable power source |
| CN105519505A (en) * | 2016-01-15 | 2016-04-27 | 泉州市九都电子科技有限公司 | Convenient mosquito trap |
| CN107302113A (en) * | 2017-07-04 | 2017-10-27 | 谢馥伊 | A kind of shared motor bicycle lithium titanate battery module |
-
2015
- 2015-09-02 CN CN201520676122.2U patent/CN204928268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140995A (en) * | 2015-09-02 | 2015-12-09 | 刘云腾 | Safe and reliable portable power source |
| CN105519505A (en) * | 2016-01-15 | 2016-04-27 | 泉州市九都电子科技有限公司 | Convenient mosquito trap |
| CN107302113A (en) * | 2017-07-04 | 2017-10-27 | 谢馥伊 | A kind of shared motor bicycle lithium titanate battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |