CN201247801Y - USB charger with warning function - Google Patents
USB charger with warning function Download PDFInfo
- Publication number
- CN201247801Y CN201247801Y CNU2008201312956U CN200820131295U CN201247801Y CN 201247801 Y CN201247801 Y CN 201247801Y CN U2008201312956 U CNU2008201312956 U CN U2008201312956U CN 200820131295 U CN200820131295 U CN 200820131295U CN 201247801 Y CN201247801 Y CN 201247801Y
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- power supply
- circuit
- usb
- voltage
- housing
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- 238000000034 method Methods 0.000 claims description 12
- 230000001131 transforming effect Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a USB charger with warning function, which comprises a shell and a circuit module, wherein the shell is provided with a power input end for leading in a power supply and a USB charging power supply output end for outputting as a charging power supply; the circuit module is located inside the housing, and includes: a rectifying circuit connected to the power input end for converting AC voltage into DC voltage; the voltage transformation circuit is connected with the rectifying circuit and used for converting the direct-current voltage into the voltage required by the output end of the USB charging power supply; and a micro control circuit for receiving the voltage from the transformer circuit and outputting the charging power to charge a load through the output end of the USB charging power supply, the micro control circuit is connected with an alarm, when overcurrent and overvoltage occur, the micro control circuit can perform circuit protection and generate an alarm sound effect, when a preset charging period expires, the micro control circuit can interrupt the charging program and send out a prompt music, and the charging period can be set by a charging period controller.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of USB charger of tool alarm function.
Background technology
Because with oneself light and handy various electronic installation is popular, as: MP3, IPOD, PDA, mobile phone, carry-on hard disk ... wait electronic installation to be full of in the middle of your my life.Each electronic installation all includes chargeable TunePower usually, generally is lithium battery, as the power source of electronic installation.Therefore each electronic installation all can have its charger separately, is connected to commercial power socket civil power being converted to the required charge power supply of electronic installation, and the lithium battery of its inside is charged.
Because the USB universal sequential bus interface is widely used on the various electronic installation, many electronic installations can also can carry out the transmission of data by this USB interface by the charging procedure that USB interface is carried out inner lithium battery, reach multiduty effect now.
Yet usually the appended charger of electronic installation all only has simple charge function and does not have the function of protection, causes electronic installation to have overcurrent or overvoltage and causes the possibility of damage.Moreover general charger does not have prompt facility when the charging procedure of electronic installation is finished, and makes electronic installation be in the state that is electrically connected with the city always, also can cause the consume of electric power.
Because the defective that above-mentioned existing charger exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, USB charger in the hope of the tool alarm function of founding a kind of new structure, can improve general existing charger, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Main purpose of the present utility model is; overcome the defective that existing charger exists; and provide a kind of USB charger of tool alarm function of new structure; technical problem to be solved is to make it can utilize USB interface that electronic installation is charged; and have overcurrent and a superpotential protection effect; when overvoltage or overcurrent generation, can send the caution audio, when the charging period expiration, also can send the prompting music and remind the user, thereby be suitable for practicality more.
A purpose more of the present utility model is to provide adjustable function between charge period for the user.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to the USB charger of a kind of tool alarm function that the utility model proposes, it comprises a housing and a circuit module, and this housing has power input that power supply is imported and a USB charge power supply output of exporting as charge power supply; This circuit module is positioned at this enclosure interior, comprising: a rectification circuit connects this power input, in order to transfer alternating voltage to direct voltage; One transforming circuit connects this rectification circuit, in order to direct voltage is converted to the required voltage of this USB charge power supply output; An and micro-control circuit; receive the voltage that this transforming circuit sends and see through this USB charge power supply output output charge power supply one load is charged; this micro-control circuit also connects an attention device; can carry out circuit protection when overcurrent, when overvoltage takes place and produce a caution audio, when one is scheduled to the charging period expiration, then can interrupt charging procedure and send a prompting music.
The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.
Aforesaid USB charger, wherein said housing also has controller between a charge period, in order to be connected to this micro-control circuit, controls the time length between this predetermined charge period.
Aforesaid USB charger, wherein said caution audio is different with this prompting music.
Aforesaid USB charger, wherein said housing also has an indicator light, in order to the indication charged state.
Aforesaid USB charger, wherein said power input are a folding attaching plug, can fold in the housing groove on this housing.
The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of USB charger of tool alarm function, and it comprises a housing and a circuit module, and this housing has a power input that power supply is imported and as a USB charge power supply output of charge power supply; This circuit module is positioned at this enclosure interior, comprising: a rectification circuit connects this power input, in order to transfer alternating voltage to direct voltage; One transforming circuit connects this rectification circuit, in order to direct voltage is converted to the required voltage of this USB charge power supply output; An and micro-control circuit; receive voltage that this transforming circuit sends and one load is charged by this USB charge power supply output output charge power supply; this micro-control circuit also connects an attention device; can carry out circuit protection when overcurrent, when overvoltage takes place and produce a caution audio, when one is scheduled to the charging period expiration, then can interrupt charging procedure and send a prompting music.In addition, this caution audio is different with this prompting music, and this housing also has an indicator light in order to the indication charged state.This power input can be a folding attaching plug, can fold in the housing groove on this housing.
For reaching above-mentioned purpose, the utility model in order to be connected to this micro-control circuit, is controlled the time length between this predetermined charge period in also comprising controller between a charge period on the housing.
By technique scheme, the USB charger of the utility model tool alarm function has the following advantages at least:
By this, the USB charger of tool alarm function of the present utility model converts mains supply to an electronic installation required charge power supply, and utilizes a USB interface that this electronic installation is charged.When overcurrent or overvoltage generation, this USB charger can send the caution audio, reminds the user and also can send the prompting music when a charging period expiration.And also can do setting between this charge period by controller between a charge period.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the stereogram of first embodiment of the present utility model.
Fig. 2 is a circuit module functional block diagram of the present utility model.
Fig. 3 is the stereogram of second embodiment of the present utility model.
Fig. 4 is an execution mode schematic diagram of the present utility model.
11: housing
13: power input
15:USB charge power supply output
17: indicator light
19: attention device
21: controller between charge period
23: housing groove
33: rectification circuit
35: transforming circuit
37: micro-control circuit
41: load
The 47:USB connecting line
49: electronic installation
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of USB charger, structure, feature and effect thereof according to the tool alarm function that the utility model proposes, describe in detail as after.
At first seeing also shown in Figure 1ly, is the stereogram of first embodiment of the present utility model.USB charger of the present utility model comprises: a housing 11, a power input 13, a USB charge power supply output 15, one indicator lights 17 and an attention device 19.This power input 13 is a plug, is connected in order to do with mains power socket, and the alternating current of mains supply 110V～220V is imported this USB charger.This USB charge power supply output 15 is a universal serial bus (Universal Serial Bus, USB) interface, in order to as the interface that is connected with electronic installation, and a charge power supply imported this electronic installation, and this indicator light 17 can light when charging procedure carries out.Wherein, this attention device 19 does not show in this figure, show all have this attention device 19 in first embodiment of the present utility model and second embodiment in Fig. 3 of aftermentioned second embodiment.
Then seeing also shown in Figure 2ly, is circuit module functional block diagram of the present utility model.Comprise a circuit module in this housing 11, this circuit module comprises: a rectification circuit 33, a transforming circuit 35 and a micro-control circuit 37.This rectification circuit 33 connects this power input 13, in order to two-way alternating voltage is converted to unidirectional direct voltage.Then this transforming circuit 35 is converted to the voltage of 5V with direct voltage, and this 5V voltage is the supply power voltage of general USB interface, provides this USB charge power supply output 15 as a charge power supply.This USB charge power supply output 15 can export this charge power supply to a load 41, and charging procedure is carried out in this load 41.This micro-control circuit 37 is that (Micro Control Unit MCU), has overcurrent and superpotential detecting function to a kind of microcontroller, and can set between a predetermined charge period.This micro-control circuit 37 connects this attention device 19, can carry out circuit protection when electric current, when overvoltage takes place and produce a caution audio by this attention device 19, reminds the user to have overcurrent or superpotential situation to take place.And in the time should predeterminedly charging period expiration, then can interrupt charging procedure and send a prompting music, wherein this caution audio can be different audios with this prompting music.Should in present embodiment, be preestablished between predetermined charge period, be generally eight hours by this micro-control circuit 37.
Then seeing also shown in Figure 3ly, is the stereogram of second embodiment of the present utility model.And the difference of first embodiment is also to comprise controller 21 between a charge period.Controller 21 is connected to this micro-control circuit between this charge period, can provide the user to utilize toggle switch to control time length between this predetermined charge period, as the interval control of 2 hours, 4 hours, 8 hours charging intervals.And see it by Fig. 1 and Fig. 3, this power input 13 of USB charger of the present utility model is a folding attaching plug, these plug 90 degree can be folded in the housing groove 23 when not using charge function, and USB charger of the present utility model is easy to carry about with one.
Then please consulting shown in Figure 4ly again, is execution mode schematic diagram of the present utility model.USB charger of the present utility model is connected on the mains power socket, is connected with an electronic installation 49 by a USB connecting line 47.USB charger of the present utility model can become the electric main power source conversion of 110V～220V the 5V charge power supply of direct current output, and the TunePower in this electronic installation 49 is carried out charging procedure.When charging procedure carried out, this indicator light 17 can light.And this electronic installation 49 can be and utilizes USB interface to carry out the MP3 of charging procedure, IPOD, PDA, mobile phone, hard disk with oneself ... wait electronic installation.
In sum, the USB charger of tool alarm function of the present utility model converts mains supply to an electronic installation required charge power supply, and utilizes a USB interface that this electronic installation is charged.When overcurrent or overvoltage generation, this USB charger can send the caution audio, reminds the user and also can send the prompting music when a charging period expiration, and also can do setting by controller between a charge period between this charge period.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (5)
1, a kind of USB charger of tool alarm function, it comprises a housing and a circuit module, this housing has power input that power supply is imported and a USB charge power supply output of exporting as charge power supply; This circuit module is positioned at this enclosure interior, it is characterized in that it comprises:
One rectification circuit connects this power input, in order to transfer alternating voltage to direct voltage;
One transforming circuit connects this rectification circuit, in order to direct voltage is converted to the required voltage of this USB charge power supply output; And
One micro-control circuit; receive voltage that this transforming circuit sends and one load is charged by this USB charge power supply output output charge power supply; this micro-control circuit also connects an attention device; can carry out circuit protection when overcurrent, when overvoltage takes place and produce a caution audio, when one is scheduled to the charging period expiration, then can interrupt charging procedure and send a prompting music.
2, USB charger according to claim 1 is characterized in that described housing also has controller between a charge period, in order to be connected to this micro-control circuit, controls the time length between this predetermined charge period.
3, USB charger according to claim 1 is characterized in that described caution audio is different with this prompting music.
4, USB charger according to claim 1 is characterized in that described housing also has an indicator light, in order to the indication charged state.
5, USB charger according to claim 1 is characterized in that described power input is a folding attaching plug, can fold in the housing groove on this housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201312956U CN201247801Y (en) | 2008-08-18 | 2008-08-18 | USB charger with warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201312956U CN201247801Y (en) | 2008-08-18 | 2008-08-18 | USB charger with warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247801Y true CN201247801Y (en) | 2009-05-27 |
Family
ID=40731626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201312956U Expired - Fee Related CN201247801Y (en) | 2008-08-18 | 2008-08-18 | USB charger with warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201247801Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854427A (en) * | 2010-02-26 | 2010-10-06 | 宇龙计算机通信科技(深圳)有限公司 | Method for reminding operation start and mobile terminal |
| CN107607674A (en) * | 2017-09-06 | 2018-01-19 | 安徽乐金环境科技有限公司 | Room air detecting system |
-
2008
- 2008-08-18 CN CNU2008201312956U patent/CN201247801Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854427A (en) * | 2010-02-26 | 2010-10-06 | 宇龙计算机通信科技(深圳)有限公司 | Method for reminding operation start and mobile terminal |
| CN107607674A (en) * | 2017-09-06 | 2018-01-19 | 安徽乐金环境科技有限公司 | Room air detecting system |
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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: 20090527 Termination date: 20130818 |