CN201568746U - Rechargeable flashlight utilizing flat square battery - Google Patents
Rechargeable flashlight utilizing flat square battery Download PDFInfo
- Publication number
- CN201568746U CN201568746U CN2009200519041U CN200920051904U CN201568746U CN 201568746 U CN201568746 U CN 201568746U CN 2009200519041 U CN2009200519041 U CN 2009200519041U CN 200920051904 U CN200920051904 U CN 200920051904U CN 201568746 U CN201568746 U CN 201568746U
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- battery
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Abstract
The utility model discloses a rechargeable flashlight, which is characterized by the adoption of a flat square battery; a battery compartment inside the flashlight adopts a flat-rectangular basic structure; and if the size of the battery compartment and the position of a battery connector change according to battery model numbers, the profile of the flashlight also changes into a flat strip shape, a flat oval shape and other shapes. The flashlight adopts an LED for illumination, utilizes two different types of charging interface manners (AC (220V) or USB (5V)) and employs corresponding voltage conversion, charging management and protection circuits inside; the functional shifts (charging/shutting/lighting) of the flashlight are controlled through a switch; and the battery compartment can be tailored and manufactured according to the common square cell phone batteries (or the same type of batteries of other digital products), therefore, besides illumination and rechargeable performance, the rechargeable flashlight can used as a seat-type charger compatible with other cell phone batteries, and the batteries can be replaced and used; and the rechargeable flashlight has the advantages of portability, universality, simple and convenient using manners, and suitability for travel and outdoor use.
Description
Technical field
The utility model relates to a kind of chargeable flashlight, wherein relate to common torch for illumination of LED and lithium ion/lithium ion polymer battery charging field, except can throw light on and self charging, also can be used as a formula charger the flat square battery of compatibility (as battery of mobile phone etc.) charged.
Background technology
The outward appearance and the battery compartment of chargeable flashlight commonly used generally adopt cylindrical structure, use be cylindrical battery or circular button cell and their combination.Can not use the lithium ion/lithium ion polymer rechargeable battery of the general flat square shape of mobile phone or digital product, thus can not be directly as the seat formula charger of flat square batteries such as battery of mobile phone.
Lithium ion/lithium ion polymer battery that digital products such as mobile phone are commonly used has characteristics such as capacity is big, chargeable repeated use, flashlight also is the standing instrument of going out, if but the battery of flashlight can not be general with employed batteries of digital product such as mobile phones, run into one of them and do not have electricity or not under the situation with charger, just very inconvenient, if these equipment all to carry can not be compatible reserve battery and charger separately, also bother very much when going out, so have certain defective and deficiency.
Summary of the invention
Technical problem to be solved in the utility model is exactly to solve prior art deficiency, a kind of charger formula flashlight that uses flat square battery of design.This flashlight is except illumination and can in fact also can be used as the seat formula charger of respective model mobile phone or other digital equipment rechargeable batteries to self battery charge, and the flat square battery of compatibility is charged.
The technical scheme that is adopted that the utility model solves the problems of the technologies described above is: flashlight internal cell storehouse is adopted flat cuboid design, is used the lithium ion/lithium ion polymer rechargeable battery of flat cuboid encapsulation, can directly use the mobile phone or the digital product battery of corresponding profile, the charge management circuit that has LED illuminating circuit and lithium ion/lithium ion polymer battery on the inner circuit board, and by switch control, realize LED luminous lighting function and to the Charge Management function of battery respectively.
Adopt at battery compartment on the basis of flat square shape structural design, its overall appearance adopts flat rectangle or flattened oval type version, and an openable battery compartment lid is arranged simultaneously, makes things convenient for picking and placeing of battery.
The utility model can suitably be adjusted the size of battery compartment and the model and the position of battery connector according to the flat square battery of different model and different size; Polarity to those battery interfaces is identical with characteristic, only be the different battery of length dimension, can be at one group of holddown groove of the both sides of battery compartment sidewall design, move the battery that mates different length by sideboard in the position of different fixing groove, can further enlarge the scope of application of the utility model to compatible battery size.
In long strip type lateral location of the present utility model a toggle switch is installed, " charging/shutoff/illumination " gear is set.The fixed contact of toggle switch is connected to battery connector, and be connected with the positive pole of rechargeable battery by battery connector, the movable contact gear of toggle switch connects charging circuit, unsettled retaining, LED lamp illuminating circuit respectively, and the control by toggle switch realizes battery charge, shutoff, torch for illumination function respectively.
At top of the present utility model end face or bottom end face, the illumination light transmission window of flashlight is set, the light-emitting component that place the inside adopts the LED luminous tube, be distributed on the circuit board, on the positive pole of luminous tube " illumination " gear through being connected to toggle switch after the series resistance current limliting.When toggle switch was connected " illumination " gear, the rechargeable battery in the battery compartment passed through battery connector, and was communicated with the LED illuminating circuit by toggle switch, realized the torch for illumination function.
Charging to lithium ion/lithium ion polymer battery has 2 kinds of technical scheme implementations, and basic model is to adopt the mode of introducing the USB5V power supply, battery being charged by USB interface.The external interface that is the utility model charging circuit adopts USB interface; after charge power supply is introduced from USB port; be connected to lithium ion/lithium ion polymer battery Charge Management and the holding circuit on the circuit board; after toggle switch is connected " charging " gear, battery is charged through battery connector.
Another kind of technical scheme implementation to lithium ion/lithium ion polymer battery charging is the mode that directly adopts the AC alternating current to charge.At this moment; the external interface of the utility model charging circuit adopts the AC power supplies interface; after AC power is introduced from the AC interface; be connected to the AC/DC change-over circuit on the circuit board earlier; after conversion generates the DC voltage of DC5V, be connected to the Charge Management and the holding circuit of lithium ion/lithium ion polymer battery on the circuit board; behind switch connection " charging " gear, connect rechargeable battery through battery connector, and battery is carried out Charge Management and control.
The beneficial effects of the utility model are, the battery compartment of chargeable flashlight has adopted flat cuboid battery compartment structural design, can be according to the mobile phone commonly used or the battery size and the connector characteristic of digital product, come design customization battery compartment size of the present utility model, simultaneously the length dimension that can adjust battery compartment by the different fixing groove and the sideboard position of sidewall, adapt to more compatible battery.The utility model portably uses when going out conveniently realizing flashlight lighting and to when carrying battery charge, can also serving as the seat formula charger of the lithium ion/lithium ion polymer battery battery of corresponding mobile phone or digital product.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing 1 has provided first embodiment of the utility model (AC type charging plug) structural representation
Accompanying drawing 2 has provided first embodiment of the utility model (AC type charging plug) circuit diagram
Accompanying drawing 3 has provided second embodiment of the utility model (USB type charging inlet) structural representation
Accompanying drawing 4 is expanded views of Fig. 3
Accompanying drawing 5 has provided second embodiment of the utility model (USB type charging inlet) circuit diagram.
Accompanying drawing 6 has provided the 3rd embodiment of the utility model, the structural representation of band sideboard in the battery compartment
Accompanying drawing 7 is the structural representations the when sideboard (12) in the battery compartment takes out among Fig. 6
Accompanying drawing 8 has provided the 4th embodiment of the utility model, and monnolithic case adopts similar ellipse (or racetrack) and inner battery compartment remains the structural representation of flat box structure.
Accompanying drawing 9 is structural representations that Fig. 8 cooperates flat square battery (8) and battery compartment cover plate (9).
1. (band deltiod battery compartment) upper shell among the figure, 2. lower house, 3. front end lighting window, 4. switch, 5. battery connector hole, 6.AC charging plug, 7. charging indicator light hole, 8. flat square battery, 9. battery compartment cover plate, the upper shell of the inboard cornice holddown groove of 11. battery compartments, 12. sideboard, 13. similar ellipse (or racetrack) shell body, 15.AC type circuit board, 16. charged state indicator lamps, 18. battery connector, 20.LED lighting source, 21. Charge Managements and control section, 22.AC/DC change-over circuit part, 25.USB type circuit board, 26.USB type (band deltiod battery compartment) upper shell, 27.USB type (band deltiod battery compartment) lower house, 28.USB charging plug
The specific embodiment
By the given embodiment of above-mentioned accompanying drawing, below be specifically described.
To the battery of mobile phone of the different model that differs greatly, the battery compartment of flashlight can cooperate galvanic cell Change In Design size and change the shape and the position of battery connector, but the shape of battery compartment totally keeps the flat, rectangular structure constant.
Stretch out in battery connector hole (5) when the spring contact of the battery connector (18) on the AC type circuit board on (15) is installed from the battery compartment inner housing, and charged state indicator lamp (16) can be by the luminous indication charged state in charging indicator light hole (7) on (band deltiod battery compartment) upper shell (1).
Fig. 2 is the circuit theory schematic diagram of first embodiment of the utility model, wherein the corresponding relation of related device and structural representation is: S1 is to inductive switch (4), corresponding Charge Management of U1 and control section (21), U2 corresponding A C/DC change-over circuit part (22), the corresponding charged state indicator lamp (16) of D1, the corresponding LED lighting source (20) of D2 and D3, the corresponding flat square battery (8) of B1, J2 corresponding A C type charging plug (6), the corresponding battery connector (18) of J3.
The switch of S1 correspondence (4) is a SP3T switch, after flat square battery (8) is put in the battery compartment, just can pass through the spring contact of battery connector (18), be connected to the common point of the switch (4) on (15) on the AC type circuit board, when switch (4) is got to " a " position, be communicated with the output of Charge Management and control section (21), at this moment, if AC type charging plug (6) is connected on the outside AC220V AC power, outside alternating current is connected to the input of AC/DC change-over circuit part (22) through AC type charging plug (6), through obtaining the direct current of DC5---6V after AC/DC conversion and the step-down processing, deliver to corresponding Charge Management of U1 and control section (21) again, through of monitoring and the control of its inside to cell voltage, begin flat square battery (8) is charged, simultaneously, Charge Management and control section (21) control charged state indicator lamp (16) flicker shows " charging " state; When battery was full of, Charge Management and control section (21) can be controlled the normal bright demonstration of charged state indicator lamp (16) " it is full to charge " state; After AC type charging plug (6) was extracted or taken off battery, charged state indicator lamp (16) went out, represents " charging finishes " state.R4 among Fig. 2 is that charging current is set resistance, for adapting to more compatible battery, should suitably charge with less charging current, improves security.In the present embodiment, U1 adopts AAT3681 single-chip Charge Management and protection IC, and R4 is set at 16 and does Europe, and maximum charging current is no more than 120mA.
When the switch of S1 correspondence (4) is got to " c " position, switch (4) is communicated with the lighting circuit part, flat square battery (8) is through J3 battery connector (18), behind switch (4), current-limiting resistance through series connection links to each other with the LED luminous tube again, driving LED lighting source (20) is luminous, realizes the torch for illumination function.LED lighting source (20) has adopted two high-brightness LED light emitting diode D2 and D3 among the embodiment, obviously also can suitably increase and decrease the quantity of LED luminous tube, changes brightness of illumination.In Fig. 2 and Fig. 5, R1 is the current-limiting resistance of D1, and the operating current with charging indicator light among the embodiment is limited in about 2mA.R2, R3 are respectively D2, their current-limiting resistance of D3, and the maximum operating currenbt with each high-brightness LED luminous tube among the embodiment is limited in about 25mA.Control flow through single led luminous tube electric current within the specific limits, during as common torch for illumination, do not need precise current control, simply adopt the resistance current limliting to meet the demands, reduce cost.If employing illumination power stage white light LEDs (nominal power: 1～3W), and increase special-purpose current drives IC, can realize the floodlighting function.The conducting voltage representative value of general high brightness White LED luminous tube fully can be in single-unit lithium ion/lithium ion polymer battery (operating voltage range: 3.3V---4.2V) work under the power supply about 3.4V.So flat square battery (8) reality that the utility model adopts also is single-unit lithium ion/lithium ion polymer battery.
Generally speaking, switch (4) is got to different " a, b, c " positions, and reality is exactly to allow battery be communicated with charging circuit, unsettled or lighting circuit respectively, to realize the function of " charging/shutoff/illumination " three kinds of states and function conversion.
The loading or unloading operation of flat square battery (8), when being in " shutoff " position, switch (4) carries out, at this moment, battery is only linked the common point of switch (4), the other end of switch (4) is to be connected on the unsettled contact, and battery and illumination and charging circuit all are to be in off-state, can reduce the battery drain when not working, simultaneously can pick and place flat square battery (8) safely, easily, realize the compatible battery of corresponding model mobile phone and digital product is exchanged.
In second embodiment, adopt the USB5V charging modes, the corresponding USB type charging plug (28) of J1 among Fig. 5, no longer need AC/DC change-over circuit part (22) among first embodiment, the circuit of other parts and first embodiment basically identical, corresponding being transformed into of the model of charging plug adopted USB type charging plug (28).Adopting USB interface, can directly connect the USB socket of computer, perhaps connect the charger for mobile phone socket (USB type) that meets national standard, is the popular practical charging modes of present mobile phone and digital product.By the project organization of employing with similar flat rectangle battery compartment of first embodiment and housing, under the control of switch (4), can realize " charging/shutoff/illumination " function, realize to flat square battery (8) and compatible battery charging, application picks and places and throws light on.
At present, the flat square battery (8) that is widely used in mobile phone and digital product all is the single-unit rechargeable battery usually, the electricity core mainly is lithium ion and lithium ion polymer material, nominal voltage 3.6V---3.7V, available voltage range: (3.3V---4.2V), as NOKIA company very general BL-5C, BL-5B and battery of mobile phone such as BL-4C.The charging scheme of corresponding this type of battery is very ripe, and the single-chip charging IC that many companies release adds a spot of peripheral circuit more just can finish Charge Management, detection and protection and charged state deixis to lithium ion and lithium ion polymer battery.So in the circuit of first and second embodiment, adopted AAT3681 single-chip IC to realize Charge Management and control section (21).Can certainly adopt other Charge Managements and the holding circuit of similar identical function to replace.
In the 3rd embodiment, the basic configuration of battery compartment still is the flat, rectangular structure, in battery compartment, increase holddown groove and sideboard (12), promptly design has one group of holddown groove on the battery compartment both sides madial wall of the upper shell (11) of the inboard cornice holddown groove of battery compartment, by changing the position of sideboard (12) at the different fixing groove, change the bulk of battery compartment inner length direction, thereby can mate and adapt to those battery connector interfaces and characteristic compatibility, only be the different battery of length dimension, can further enlarge the general compatible scope of the utility model compatible battery size.As NOKIA company very general BL-5C and BL-5B two battery of mobile phone, the latter is a little short slightly, the upper shell (11) of the inboard cornice holddown groove of battery compartment just can be placed on last holddown groove position with sideboard (12) earlier when carrying out the holddown groove design, its the longest length dimension is fit to BL-5C type battery and is as the criterion, and can realize the compatibility to BL-5B type battery then by the mode of regulating the reach of sideboard (12) position.
The mobile phone type that BL-5C type battery is suitable for has: Nokia 1100, and Nokia 1108, and Nokia 2600, Nokia3100, Nokia 3120, and Nokia 3650, Nokia 6108, Nokia 6230, and Nokia 6600, and Nokia 6630, Nokia 6670, Nokia 6820, and Nokia 7600, Nokia 7610 etc.; The mobile phone type that the BL-5B battery is suitable for has: Nokia 3220, Nokia5140, Nokia 7260 etc.So, the battery compartment size customizes according to BL-5C type battery, add the design of inwall holddown groove and sideboard (12), the utility model can become compatible stronger mobile phone seat formula charger, and inner employed flat square battery (8) also can directly be replaced mutual usefulness with the battery of respective model mobile phone or other compatible batteries.
In the 4th embodiment, though the overall appearance of housing is to have adopted the great circle arc at the two ends of prolate stripe shape, adopt similar ellipse (or racetrack) shell body (13), but its inner battery compartment still satisfies the most basic feature of the utility model, promptly the basic configuration of the battery compartment that adopts is the flat, rectangular structure, can use flat square battery (8).
From above-mentioned embodiment and the specific embodiment as can be known, the invention provides a kind of flashlight that can charge to the battery of flat pane shape, not only have illumination and self chargeable function, can also replace and the generation charging the flat square battery (8) of compatible model.Because this flat square battery (8) is widely used in digital products such as mobile phone, has compatibility and versatility preferably.So as long as size, connected mode and the electrical performance characteristics of battery can be compatible, the utility model just can be used as the seat formula charger of digital equipments such as respective model mobile phone, their employed battery is charged, directly replacement battery use each other when emergent simultaneously, its function practicality, simple for structure, easy to carry, interoperability are by force characteristics of the present utility model.
Although above-described is particular form of the present utility model, on the basis that does not break away from the utility model design and scope, can also make many variations.Therefore, although the utility model describes in detail and only to carry out with reference to preferred embodiment, those of ordinary skill in the art knows not breaking away to also have many versions on the basis of the present utility model.Therefore, protection domain of the present utility model is determined by claims.In addition, the utility model is never made known publicly or is seen other publications.
Claims (7)
1. chargeable flashlight that uses flat square battery, its main body is the flashlight that charger combines with illumination functions, it is characterized in that: flashlight internal cell storehouse is adopted flat cuboid design, is used the rechargeable battery of flat cuboid encapsulation, or directly use the battery of mobile phone of corresponding profile, by switch control, connect LED illuminating circuit and charging circuit respectively.
2. the chargeable flashlight of the flat square battery of use according to claim 1 is characterized in that: its overall appearance adopts flat rectangle or flattened oval type version.
3. the chargeable flashlight of the flat square battery of use according to claim 1 is characterized in that: flat cuboid battery compartment can be provided with sideboard to adapt to the different battery of length dimension; Also can pass through the size of model, position and the battery compartment of change battery connector interface, adapt to the demand of different model battery of mobile phone, but the battery compartment shape keep flat rectangular structure.
4. the chargeable flashlight of the flat square battery of use according to claim 1 and 2, it is characterized in that: the switch that flashlight is installed in one of them long strip type lateral location of the flat rectangle of flashlight, " charging/shutoff/illumination " gear is set, the common junction of switch is connected with rechargeable battery by battery connector earlier, and other gears of switch connect charging circuit, unsettled retaining, LED lamp illuminating circuit respectively.
5. the chargeable flashlight of the flat square battery of use according to claim 1 and 2, it is characterized in that: at the top of the flat rectangle of flashlight end face or bottom end face, the luminescence window of flashlight is set, the light-emitting component that place the inside adopts the LED luminous tube, be distributed on the circuit board, through the series resistance current limliting, behind switch connection " illumination " gear, through battery connector, be connected with rechargeable battery.
6. the chargeable flashlight of the flat square battery of use according to claim 1 and 2; it is characterized in that: the external interface of charging circuit adopts USB interface; after charge power supply is introduced from USB port; be connected to Charge Management and holding circuit on the circuit board; behind switch connection " charging " gear, battery is charged through battery connector.
7. the chargeable flashlight of the flat square battery of use according to claim 1 and 2; it is characterized in that: the external interface of charging circuit adopts the direct insertion interface of AC; after AC power is introduced from the AC interface; be connected to the AC/DC change-over circuit on the circuit board earlier; link Charge Management and holding circuit again; behind switch connection " charging " gear, connect rechargeable battery through battery connector, and battery is carried out Charge Management and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200519041U CN201568746U (en) | 2009-03-03 | 2009-03-03 | Rechargeable flashlight utilizing flat square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200519041U CN201568746U (en) | 2009-03-03 | 2009-03-03 | Rechargeable flashlight utilizing flat square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568746U true CN201568746U (en) | 2010-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200519041U Expired - Fee Related CN201568746U (en) | 2009-03-03 | 2009-03-03 | Rechargeable flashlight utilizing flat square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201568746U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079190A1 (en) * | 2010-12-13 | 2012-06-21 | Li Hungyuan | Flashlight power supply |
| CN103002374A (en) * | 2012-11-30 | 2013-03-27 | 常州洪荒谷电子科技有限公司 | Wireless headset provided with storage unit |
| CN103398299A (en) * | 2013-08-08 | 2013-11-20 | 宁波兆隆光电科技有限公司 | Novel LED flashlight |
-
2009
- 2009-03-03 CN CN2009200519041U patent/CN201568746U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079190A1 (en) * | 2010-12-13 | 2012-06-21 | Li Hungyuan | Flashlight power supply |
| CN103002374A (en) * | 2012-11-30 | 2013-03-27 | 常州洪荒谷电子科技有限公司 | Wireless headset provided with storage unit |
| CN103398299A (en) * | 2013-08-08 | 2013-11-20 | 宁波兆隆光电科技有限公司 | Novel LED flashlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Guo Chunling Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20120303 |