CN201188546Y - Portable mobile power supply - Google Patents
Portable mobile power supply Download PDFInfo
- Publication number
- CN201188546Y CN201188546Y CNU2008200285415U CN200820028541U CN201188546Y CN 201188546 Y CN201188546 Y CN 201188546Y CN U2008200285415 U CNU2008200285415 U CN U2008200285415U CN 200820028541 U CN200820028541 U CN 200820028541U CN 201188546 Y CN201188546 Y CN 201188546Y
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Abstract
The utility model relates to a portable mobile electrical source which is characterized in that a switch power supply module, a battery protecting module, a battery module, a boost control module and a charge-state displaying module are included. The battery protecting module is electrically connected with the battery module, the switch power supply module, the boost control module and the charge-state displaying module; the output end of the battery protecting module is connected with an LED cold light source. The utility model can provide the capacitance of more than 4200 mAh. Under the condition that the output voltage is adjusted at 4-9 V, charge current of more than 600 mA can be output invariably, and a lithium iron battery, 1-W cold light source LED and perfect charge indicator are arranged inside so as to form the energy-source product which has compact structure and convenient carrying, and can be conveniently used in any occasions.
Description
Technical field
The utility model relates to a kind of use for electronic products charge power supply, particularly a kind of portable portable power source.
Background technology
Technological progress along with electron trade, portable digital product emerge in multitude, as CD player, MP3, mobile phone, digital camera, PDA etc., though the type of these products is frivolous day by day small and exquisite, but be tending towards characteristics such as the big and colorize of functional diversities, display screen, to such an extent as to these digital product power consumption are bigger.For out on tours or the end user that goes on business, for guarantee that product can normally use under the situation that electricity is arranged, must carry the charger that is complementary with digital equipment, can in time utilize external power charging with the digital equipment of toilet band when the short of electricity, but if in the environment of living in when not having external power supply, digital equipment just can't have been worked after having consumed the battery electric quantity of itself again, and this has brought inconvenience for the use of mobile model digital equipment, and even delays significant events.For this reason; way commonly used is: the user of digital equipment need carry the device of a similar storage battery or battery; in case when the digital equipment short of electricity; available its logarithmic code equipment emergent charging; this charging device or existing other similar device; even if the use that has battery module and voltage transformation module, but have specifically regulation voltage, do not control and deficiencies such as protective circuit.And the digital product kind is numerous now, and model is numerous and diverse, and each company's product interface is incompatible, and therefore incomplete the or function singleness of portable power source interface can not satisfy all demands of consumer with oneself, thereby makes the consumer be difficult to accept or reject.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defective a kind of portable portable power source is provided, this portable portable power source is not only easy to carry as stand-by power supply, output voltage stabilization, and the charging voltage that can adapt with it according to the needs output of different electrical appliances.
The purpose of this utility model solves by the following technical programs:
This portable portable power source; it is characterized in that: comprise switch power module, battery protection module, battery module, the control module of boosting and charged state display module; described battery protection module is electrically connected with battery module, switch power module, the control module of boosting, charged state display module, and the output of described battery protection module is connected with the LED cold light source.
The above-mentioned battery module of stating is a joint or a multi-section lithium ion battery.
The IC model is MM3077 in the above-mentioned battery protection module.
The above-mentioned control module of boosting comprises the toggle switch of frequency conversion DC/DC booster circuit and five grades, and the IC model is MAX1771 in the described frequency conversion DC/DC booster circuit.
Portable portable power source of the present utility model can provide the capacity greater than 4200mAh.Output voltage is under the condition that 4～9V regulates, but constant output is greater than the charging current of 600mA, and its built-in lithium ion battery, 1W cold light source LED and perfect charging indication have constituted energy products very compact, easy to carry, can make things convenient in all case and use.
Description of drawings
Fig. 1 is an operation principle block diagram of the present utility model;
Fig. 2 is a live part circuit diagram of the present utility model;
Fig. 3 is a battery protection module circuit diagram of the present utility model;
Fig. 4 is the control module circuit diagram that boosts of the present utility model.
Wherein: 1 is the switch power module circuit; 2 is the battery protection module; 3 is battery module; 4 is the charged state display module; 5 is MM3077; 6 are frequency conversion DC/DC booster circuit; 7 is toggle switch; 8 is the LED cold light source.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Fig. 1 is an operation principle block diagram of the present utility model; comprise switch power module (1), battery protection module (2), battery module (3), the control module of boosting (as Fig. 4) and charged state display module (4); described battery protection module (2) is electrically connected with battery module (3), switch power module (1), the control module of boosting, charged state display module (4), and the output of described battery protection module (2) is connected with LED cold light source (8).
Fig. 2 is a live part circuit diagram of the present utility model, becomes direct current after the rectification of electric main AC220V process rectifier bridge, is input to the input of battery protection module (2) again through the power supply of transformer step-down becoming direct current 5V.Double operational in the charged state display module (4) and connected two red and green color LED have formed a simple charging indication.The LED cold light source that battery protection module (2) output is electrically connected has been realized illuminator easily.The charging of battery module (3), discharging action all need to finish by the battery protection module.
Fig. 3 is a battery protection module circuit diagram of the present utility model, and FET1 among the figure, FET2 are two N-CHMOS, and FET1 is discharge control MOS, and FET2 is charging control MOS.IC monitors the control of the variation realization of R1 terminal voltage to FET1 and FET2.R2 is the over-current detection end, by detecting the detection of the pressure drop realization overcurrent above the MOS, control FET1.IC in the circuit is MM3077 for single-unit lithium ion battery protection IC model.Battery protection module monitoring battery module constantly has or not overdischarge, overcurrent, short circuit, temperature to cross high abnormal conditions, in case the battery protection module that notes abnormalities can be cut off the battery discharge loop immediately.
Fig. 4 is the control module circuit diagram that boosts of the present utility model; comprise two parts: frequency conversion DC/DC booster circuit (6) and toggle switch (7); electric energy in the battery module (3) arrives battery protection module (2) output through battery protection module (2); VIN end in battery protection module (2) output and the DC/DC booster circuit (6) is connected; DC/DC booster circuit (6) comes boosted voltage by master chip MAX1771 and N raceway groove isolated gate FET; be input to toggle switch (7) input that is attached thereto by output then; in figure; toggle switch (7) is by the resistance of different resistances and the ratio of R1; can obtain different output voltages at the VOUT end, this is the charging voltage that adapts with electrical appliance.
Concrete working method of the present utility model is such:
(A) the electric power storage process of portable portable power source:
When the user at home or any place with civil power 220V power supply the commercial power interface of this portable portable power source is plugged civil power 220V power supply; portable portable power source begins immediately to charging battery module; charging process is such: be that direct current and step-down are 5V by the switch power module circuit with AC rectification earlier; through the battery protection module electric energy is charged in the battery module then; the charged state display module is shown as charged state in the whole charging process; the battery protection module is monitored the state of charge of battery module in real time; when charging reaches capacity; the battery protection module is cut off the electricity supply; stop charging battery module; this moment, the charged state display module showed that charging finishes, and battery is full of.
(B) discharge process of portable portable power source:
When the electronic product of carrying as the user need charge; only need the charging inlet toggle switch output port connection of portable portable power source therewith with electronic product; output voltage and the electrical appliance of regulating toggle switch adapt; electric energy in the battery module is just by the battery protection module; the processing of boosting through the control module of boosting; export to the electrical appliance charging; the battery protection module is monitored the state of battery module in real time simultaneously; if the battery module electric weight is reduced to a certain degree; the battery protection module is just cut off the battery discharge loop, stops charging.This portable portable power source also is provided with a LED cold light source that is used for night illumination; substituted the function of flashlight; as long as open the mains switch of LED cold light source when needs throw light on, at this moment battery module provides electric energy for the LED cold light source by the battery protection module.With last same, battery protection module real time monitoring battery module state is to prevent abnormal conditions such as battery module overdischarge, overcurrent, short circuit, temperature rising, in case the battery protection module that notes abnormalities can be cut off the battery discharge loop immediately.
Claims (4)
1. portable portable power source; it is characterized in that: comprise switch power module (1), battery protection module (2), battery module (3), the control module of boosting and charged state display module (4); described battery protection module (2) is electrically connected with battery module (3), switch power module (1), the control module of boosting, charged state display module (4), and the output of described battery protection module (2) is connected with LED cold light source (8).
2. portable portable power source according to claim 1 is characterized in that: described battery module (1) is a joint or a multi-section lithium ion battery.
3. portable portable power source according to claim 1 is characterized in that: the IC model is MM3077 (5) in the described battery protection module (2).
4. portable portable power source according to claim 1 is characterized in that: the described control module of boosting comprises the toggle switch (7) of frequency conversion DC/DC booster circuit (6) and five grades, and the IC model is MAX1771 in the described frequency conversion DC/DC booster circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200285415U CN201188546Y (en) | 2008-03-11 | 2008-03-11 | Portable mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200285415U CN201188546Y (en) | 2008-03-11 | 2008-03-11 | Portable mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188546Y true CN201188546Y (en) | 2009-01-28 |
Family
ID=40311569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200285415U Expired - Fee Related CN201188546Y (en) | 2008-03-11 | 2008-03-11 | Portable mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201188546Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283245A (en) * | 2013-07-03 | 2015-01-14 | 深圳市超创鑫科技有限公司 | High-conversion-efficiency mobile power source circuit |
| CN105431059A (en) * | 2014-07-14 | 2016-03-23 | 惠州市吉瑞科技有限公司 | Cigarette smoking control method, cigarette smoking control circuit, and electronic cigarette |
-
2008
- 2008-03-11 CN CNU2008200285415U patent/CN201188546Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283245A (en) * | 2013-07-03 | 2015-01-14 | 深圳市超创鑫科技有限公司 | High-conversion-efficiency mobile power source circuit |
| CN104283245B (en) * | 2013-07-03 | 2017-04-05 | 深圳市超创鑫科技有限公司 | A kind of high conversion efficiency portable power source circuit |
| CN105431059A (en) * | 2014-07-14 | 2016-03-23 | 惠州市吉瑞科技有限公司 | Cigarette smoking control method, cigarette smoking control circuit, and electronic cigarette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20100311 |