CN202749848U - Charger - Google Patents

Charger Download PDF

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Publication number
CN202749848U
CN202749848U CN 201220353207 CN201220353207U CN202749848U CN 202749848 U CN202749848 U CN 202749848U CN 201220353207 CN201220353207 CN 201220353207 CN 201220353207 U CN201220353207 U CN 201220353207U CN 202749848 U CN202749848 U CN 202749848U
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China
Prior art keywords
charger
current
circuit
channel
resistance
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CN 201220353207
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Chinese (zh)
Inventor
冯耀辉
丁兆刚
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Dongguan Yulong Telecommunication Technology Co Ltd
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Priority to CN 201220353207 priority Critical patent/CN202749848U/en
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Abstract

The utility model provides a charger which comprises at least two power supply output interfaces, wherein at least one power supply output interface is a miniature USB (Universal Serial Bus) plug, and the miniature USB plug is connected with the current output channel of the charger through a data line. The utility model further provides another charger. According to the technical scheme provided by the utility model, the output power supply interfaces can be flexibly selected, so that the charger can be conveniently used by users.

Description

Charger
Technical field
The utility model relates to terminal power management techniques field, in particular to charger.
Background technology
In the charger circuit of the end products such as present mobile phone, usually only have 1 group of 5V DC power supply output, delivery outlet adopts TYPE A type USB socket mostly by the GB requirement.Because adopting TYPE A type USB socket scheme to use by matching standard usb data line, when the user does not carry the usb data line, just can't carry out charging operations to terminal.When especially adopting inside to have the charger of battery, this contradiction is more outstanding.
Therefore, need a kind of charger, can the flexible choice power output interface, avoid leaving behind data wire and the problem that causes charging to terminal, be user-friendly to.
The utility model content
For the problems referred to above, the utility model provides a kind of charger, can the flexible choice power output interface, avoid leaving behind data wire and the problem that causes charging to terminal, and be user-friendly to.
According to an aspect of the present utility model, a kind of charger is proposed, comprise: at least two power output interfaces, wherein at least one described power output interface is the micro USB plug, described micro USB plug is connected to the current output channels of described charger by data wire.
Preferably, at least one power output interface in described at least two power output interfaces is the standard USB socket, and described standard USB socket is connected to described current output channels.
In this technical scheme, charger carries standard USB socket and micro USB plug, and the standard USB socket can be TYPE A type USB socket, is connected with terminal to be charged by data wire.The micro USB plug can be the Micro USB plug, also can be the Mini USB plug, can directly connect terminal to be charged.And, can give simultaneously two terminal charges by standard USB socket and micro USB plug.Therefore, when leaving behind the data wire that is complementary with the standard USB socket, can directly use another power input interface, namely the micro USB plug comes to have solved the problem that occurs in the correlation technique for the terminal equipment charging.
Preferably, be provided with contained structure in the described charger, described micro USB plug and described data wire are recoverable to described contained structure.
In this technical scheme, obsolete the time, micro USB plug and data wire can be retracted in the contained structure of charger, make things convenient for the user to carry, and this data wire can be a short-term, to be convenient for carrying as purpose, it can be designed to the length of tens centimetres even several centimetres.
In technique scheme, preferably, described contained structure has groove or cavity shape structure, and described groove is arranged at the surface of described charger, and it is inner that described cavity shape structure is arranged on described charger.
In this technical scheme, obsolete the time, micro USB plug and data wire can be retracted in the groove on the cavity shape structure of charger inside or charger surface, make things convenient for the user to carry.
In above-mentioned arbitrary technical scheme, preferably, described charger also comprises: battery, be connected to described current output channels, and can be used as the common power supply of described micro USB plug and described standard USB socket.
In this technical scheme, charger can be terminal charge to be charged as power supply by the battery that carries from charged pool.
In above-mentioned arbitrary technical scheme, preferably, also comprise current limliting unit and control circuit, wherein, be provided with described current limliting unit on the input circuit of each described power output interface; Described control circuit is connected to described current limliting unit, and described control circuit is controlled the size that the output current of described power output interface is regulated in described current limliting unit according to the current signal that described current limliting unit inspection arrives.
In this technical scheme, when two output interfaces of charger all are connected with terminal and charge, can control the electric current output of two interfaces, carry out electric current according to priority and distribute.For example, if the user wishes to be preferably the terminal charge that is connected with the micro USB plug, then can be by setting strategy, the size of limitation standard USB socket output current makes charger be preferably the terminal charge that is connected with the micro USB plug.
In above-mentioned arbitrary technical scheme, preferably, described charger can also comprise: reminding unit, be connected to described current limliting unit, and when the current value of described current limliting unit inspection does not satisfy predetermined current value and/or default current value range, remind.
In this technical scheme, charged electrical flows through and low can cause the charging effect variation, so charger crosses at output current value and remind when low, notes to cause the user, and charger is rationally arranged.
In above-mentioned arbitrary technical scheme, preferably, described charger can also comprise: converting unit, be connected to described current output channels, and will convert direct current to from the alternating current of outside and export described direct current to described current output channels.
In this technical scheme, charger can convert the alternating current of outside input to be applicable to terminal to be charged direct current, and converts the voltage that is applicable to terminal to be charged to, is terminal charge to be charged.
In above-mentioned arbitrary technical scheme, preferably, described current limliting unit comprises: the first resistance, the first comparator and power switch, wherein, described the first resistance and described power switch are connected on the input circuit of described power output interface, the positive input of described the first comparator and reverse input end are connected to respectively the two ends of described the first resistance, for the current signal on the input circuit that obtains described power output interface; Described control circuit comprises the first analog to digital conversion circuit, be used for converting current analog signal to digital signal, described the first analog to digital conversion circuit is connected to the output of described the first comparator, and described control circuit is controlled unlatching or the disconnection of described power switch according to the output signal of described the first comparator.
In this technical scheme, when two output interfaces of charger all are connected with terminal charge, can charge first according to default priority the terminal charge that after being full of, again another interface is connected to the terminal that one of them interface connects.
In above-mentioned arbitrary technical scheme, preferably, described current limliting unit comprises: the second resistance, the second comparator, the 3rd resistance and P-channel field-effect transistor (PEFT) pipe, wherein, described the second resistance string is associated on the input circuit of described power output interface, the source electrode of described P-channel field-effect transistor (PEFT) pipe is connected with described the second resistance, the drain electrode of described P-channel field-effect transistor (PEFT) pipe is connected with described power output interface, one end of described the 3rd resistance is connected with the source electrode of described P-channel field-effect transistor (PEFT) pipe, the other end of described the 3rd resistance is connected with the grid of described P-channel field-effect transistor (PEFT) pipe, the positive input of described the second comparator and reverse input end are connected to respectively the two ends of described the second resistance, for the current signal on the input circuit that obtains described power output interface; Described control circuit also comprises the second analog to digital conversion circuit, be used for converting current analog signal to digital signal, described the second analog to digital conversion circuit is connected to the output of described the second comparator, and described the second analog to digital conversion circuit is connected to the output of described the second comparator; Described control circuit also comprises the first D/A converting circuit, the output of described the first D/A converting circuit is connected to the grid of described P-channel field-effect transistor (PEFT) pipe, the operation result that described the first D/A converting circuit is used for described control circuit is processed the output signal of described the second analog to digital conversion circuit converts analog signal to, and described control circuit exports the size that the voltage on the grid of described P-channel field-effect transistor (PEFT) pipe is regulated the output current of described power output interface to by controlling described the first D/A converting circuit.
Therefore, can adopt the mode of the grid voltage of controlling respectively two P-channel field-effect transistor (PEFT) pipes to control respectively the size of the output current of micro USB plug and standard USB socket.
In above-mentioned arbitrary technical scheme, described current limliting unit comprises: the 4th resistance, the 3rd comparator, the 5th resistance and N channel field-effect pipe, wherein, described the 4th resistance string is associated on the input circuit of described power output interface, the drain electrode of described N channel field-effect pipe is connected with described the 4th resistance, the source electrode of described N channel field-effect pipe is connected with described power output interface, one end of described the 5th resistance is connected with the drain electrode of described N channel field-effect pipe, the other end of described the 5th resistance is connected with the grid of described N channel field-effect pipe, the positive input of described the 3rd comparator and reverse input end are connected to respectively the two ends of described the 4th resistance, for the current signal on the input circuit that obtains described power output interface; Described control circuit also comprises the 3rd analog to digital conversion circuit, is used for converting current analog signal to digital signal, and described the 3rd analog to digital conversion circuit is connected to the output of described the 3rd comparator; Described control circuit also comprises the second D/A converting circuit, the output of described the second D/A converting circuit is connected to the grid of described N channel field-effect pipe, the operation result that described the second D/A converting circuit is used for described control circuit is processed the output signal of described the 3rd analog to digital conversion circuit converts analog signal to, and described control circuit exports the size that the voltage on the grid of described N channel field-effect pipe is regulated the output current of described power output interface to by controlling described the second D/A converting circuit.
Therefore, can adopt the mode of the grid voltage of regulating two N channel field-effect pipes to control respectively the size of the output current of micro USB plug and standard USB socket.
According on the other hand of the present utility model, a kind of charger is also proposed, comprise the standard USB socket for power supply output, described standard USB socket is connected to the current output channels of described charger, be provided with cavity at described charger, the data wire that is connected with described standard USB socket can be placed in the described cavity.
In this technical scheme, charger can be taken in data wire, makes things convenient for the user to carry, and can avoid the user to leave behind the situation of data wire simultaneously.
In above-mentioned arbitrary technical scheme, preferably, an end of described data wire is connected with the standard USB plug, and the other end of described data wire is connected with micro USB plug or standard USB plug.
In this technical scheme, the difference of the interface type of supporting according to terminal to be charged, charger carries the data wire of different interface type, is complementary with the interface of terminal to be charged.
By technique scheme, self-contained data line when can make charger with USB socket is user-friendly to.
Description of drawings
Figure 1A shows the block diagram according to the charger of an embodiment of the present utility model;
Figure 1B shows the block diagram according to the charger of another embodiment of the present utility model;
Fig. 2 shows the circuit connection diagram in the charger of Figure 1A and Figure 1B illustrated embodiment;
Fig. 3 shows the circuit connection diagram according to the charger of another embodiment of the present utility model;
Fig. 4 is a kind of design diagram of the partial circuit of charger embodiment illustrated in fig. 3;
Fig. 5 is the another kind of design diagram of the partial circuit of charger embodiment illustrated in fig. 3;
Fig. 6 shows the charger according to another embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection range of the present utility model is not subjected to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples the utility model is described further.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
At first describe in detail according to the technical solution of the utility model in conjunction with Figure 1A and Figure 1B, Figure 1A and Figure 1B all show the block diagram according to the charger of embodiment of the present utility model.
Shown in Figure 1A, charger 100 according to embodiment of the present utility model, comprise at least two power output interfaces, wherein at least one power output interface is micro USB plug 106, and described micro USB plug 106 is connected to the current output channels of charger 100 by data wire 104.
In the present embodiment, preferred, at least one power output interface at least two power output interfaces is standard USB socket 102, and standard USB socket 102 is connected to the current output channels of charger 100.
In this technical scheme, charger 100 carries standard USB socket 102 and micro USB plug 106, and standard USB socket 102 can be TYPE A type USB socket, is connected with terminal to be charged by data wire.Micro USB plug 106 can be the Micro USB plug, also can be the Mini USB plug, can directly connect terminal to be charged.And, can give simultaneously two terminal charges by standard USB socket 102 and micro USB plug 106.Therefore, when leaving behind the data wire that is complementary with the standard USB socket, can directly use another power input interface, namely the micro USB plug comes to have solved the problem that occurs in the correlation technique for the terminal equipment charging.
Preferably, as shown in Figure 1B, be provided with contained structure 108 in the charger 100, micro USB plug 106 and data wire 104 are recoverable to contained structure 108.
Obsolete the time, micro USB plug 106 and data wire 104 can be retracted in the contained structure 108 of charger 100, make things convenient for the user to carry, and this data wire can be a short-term, to be convenient for carrying as purpose, it can be designed to the length of tens centimetres even several centimetres.
Preferably, contained structure 108 can be groove or cavity shape structure, if groove, then this groove is arranged at the surface of charger 100, if cavity shape structure, then this cavity shape structure is arranged on charger 100 inside.
Obsolete the time, micro USB plug 106 and data wire 104 can be retracted in the groove on the cavity shape structure of charger 100 inside or charger 100 surfaces, make things convenient for the user to carry.
Preferably, as shown in Figure 2, charger 100 can also comprise: battery 206, be connected to current output channels, and can be used as the common power supply of micro USB plug 106 and standard USB socket 102.
In this technical scheme, charger 100 can be terminal charge to be charged as power supply by the battery 206 that carries from charged pool 206.
Referring to Fig. 2, converting unit 208 converts the 220V alternating current of input to be applicable to terminal to be charged direct current (for example direct current of 5V), offers respectively micro USB plug 106 and standard USB socket 102 by the first output channel 202, the second output channel 204.When charger 100 carried battery 206, the direct current after converting unit 208 conversions can transfer to battery 206 through overcharge circuit 210, and battery 206 can be through booster circuit 212 to terminal charge to be charged.Booster circuit 212 is connected to the first output channel 202, the second output channel 204 simultaneously.
In the following embodiments, describe in detail according to the technical solution of the utility model as an example of two power output interfaces example.
Fig. 3 shows the circuit connection diagram according to the charger of another embodiment of the present utility model.
As shown in Figure 3, circuit according to the charger 300 of another embodiment of the present utility model is realized schematic diagram, except the 26S Proteasome Structure and Function with circuit connection shown in Figure 2, can also comprise the first current limliting unit 306, the second current limliting unit 308 and control circuit 310, wherein, it is the output circuit of standard USB socket that the first current limliting unit 306 is arranged on the first output channel 302(hypothesis) on, the second current limliting unit 308 is arranged on the second output channel 304 (supposes it is the output circuit of micro USB plug); Control circuit 310 is connected to the first current limliting unit 306 and the second current limliting unit 308, the current signal that the current signal that control circuit 310 detects according to the first current limliting unit 306 and the second current limliting unit 308 detect, control the size of the first current limliting unit 306 regulation output electric currents, and the size of controlling the second current limliting unit 308 regulation output electric currents.The first output channel 302 and the second output channel 304 are connected to respectively micro USB plug and standard USB socket.
In this technical scheme, when two output interfaces of charger 300 all are connected with terminal and charge, can control the electric current output of two interfaces, carry out electric current according to priority and distribute.For example, if the user wishes to be preferably the terminal charge that is connected with the micro USB plug, then can be by setting strategy, the size of limitation standard USB socket output current makes charger be preferably the terminal charge that is connected with the micro USB plug.
Preferably, charger 300 can also comprise: the reminding unit (not shown), be connected to the first current limliting unit 306 and/or the second current limliting unit 308, in the first current limliting unit 306 and/or the current value that detects of the second current limliting unit 308 when not satisfying predetermined current value and/or default current value range, remind.
In this technical scheme, charged electrical flows through and low can cause the charging effect variation, so charger 300 crosses at output current value and remind when low, notes to cause the user, and charger is rationally arranged.
For example, when utilizing battery in the charger for terminal charge, if the electric weight in the battery is not enough, then can cause the undercurrent in the output channel, at this moment adopt the reminding unit (such as buzzer, vibrator etc.) can reminding user, switch input power for terminal, guarantee that terminal charges normal.
Fig. 4 is a kind of design diagram of the partial circuit of charger shown in Figure 3.
Referring to Fig. 4, in one embodiment, the first current limliting unit 306 among Fig. 3 can comprise: the first resistance 402, the first comparator 404 and the first power switch 406, wherein, the first resistance 402 and the first power switch 406 are connected on the first output channel 302, the positive input of the first comparator 404 and reverse input end are connected to respectively the two ends of the first resistance 402, are used for obtaining the current signal on the first output channel 302.
The second current limliting unit 308 among Fig. 3 can comprise: the second resistance 408, the second comparator 410 and the second power switch 412, wherein, the second resistance 408 and the second power switch 412 are connected on the second output channel, the positive input of the second comparator 410 and reverse input end are connected to respectively the two ends of the second resistance 408, are used for obtaining the current signal on the second output channel; Control circuit 310 comprises the first analog to digital conversion circuit 414 and the second analog to digital conversion circuit 416, be respectively applied to convert current analog signal to digital signal, the first analog to digital conversion circuit 414 is connected to the output of the first comparator 404, the second analog to digital conversion circuit 416 is connected to the output of the second comparator 410, and control circuit 310 is controlled unlatching or the disconnection of the first power switch 406 and/or the second power switch 412 according to the output signal of the output signal of the first comparator 404 and the second comparator 410.The first output channel 302 and the second output channel 304 are connected to respectively micro USB plug 420 and standard USB socket 418.
In this technical scheme, when two output interfaces of charger 300 all are connected with terminal charge, can charge first according to default priority the terminal charge that after being full of, again another interface is connected to the terminal that one of them interface connects.
For example, under initial condition, give tacit consent to the first power switch 414 and the second power switch 416 all is in opening, when standard USB socket 418 and micro USB plug 420 all are connected with terminal and charge, the first comparator 404 and the second comparator 410 all detect charging current, and (this charging current can be that the battery of charger inside provides, also can be that outside input power provides), control circuit carries out computing according to the program (this program has comprised selection strategy) that is solidificated in chip internal and judges, when need provide electric current for the standard USB socket first, then control circuit 310 sends open command to the first power switch 414, make the first power switch 414 be in off-state, export by the second output channel 304 to guarantee the electric current that power supply provides, when the terminal that is connected with the standard USB socket is full of electricity, control circuit 310 sends open command to the first power switch 414, and to the second power switch 416 transmission open command, the electric current that power supply is provided is exported by the first output channel 302 and the terminal charge for being connected with the micro USB plug, when the terminal that is connected with the standard USB plug was full of electricity, control circuit 310 sent open command to the second power switch 416.
Control circuit in the various embodiments described above comprises various processors, for example the processor of Texas Instrument's production.
Fig. 5 is the another kind of design diagram of the partial circuit of charger embodiment illustrated in fig. 3.
Referring to Fig. 5, in another embodiment, the first current limliting unit 306 comprises: the 3rd resistance 502, the 3rd comparator 504, the 4th resistance 506 and the first P-channel field-effect transistor (PEFT) pipe 508, wherein, the 3rd resistance 502 is connected on the input circuit of micro USB plug 526, the source electrode of the first P-channel field-effect transistor (PEFT) pipe 508 is connected with the 3rd resistance 502, the drain electrode of the first P-channel field-effect transistor (PEFT) pipe 508 is connected with micro USB plug 526, one end of the 4th resistance 506 is connected with the source electrode of the first P-channel field-effect transistor (PEFT) pipe 508, the other end is connected with the grid of the first P-channel field-effect transistor (PEFT) pipe 508, the positive input of the 3rd comparator 504 and reverse input end are connected to respectively the two ends of the 3rd resistance 502, for the current signal on the input circuit that obtains micro USB plug 526.
The second current limliting unit 308 can comprise: the 5th resistance 510, the 4th comparator 512, the 6th resistance 514 and the second P-channel field-effect transistor (PEFT) pipe 516, wherein, the 5th resistance 510 is connected on the input circuit of standard USB socket 528, the source electrode of the second P-channel field-effect transistor (PEFT) pipe 516 is connected with the 5th resistance 510, the drain electrode of the second P-channel field-effect transistor (PEFT) pipe 516 is connected with standard USB socket 528, one end of the 6th resistance 514 is connected with the source electrode of the second P-channel field-effect transistor (PEFT) pipe 516, the other end is connected with the grid of the second P-channel field-effect transistor (PEFT) pipe 516, the positive input of the 4th comparator 512 and reverse input end are connected to respectively the two ends of the 5th resistance 510, for the current signal on the input circuit that obtains standard USB socket 528; Control circuit 310 also comprises the first analog to digital conversion circuit 518 and the second analog to digital conversion circuit 520, be respectively applied to convert current analog signal to digital signal, the first analog to digital conversion circuit 518 is connected to the output of the 3rd comparator 504, and the second analog to digital conversion circuit 520 is connected to the output of the 4th comparator 512; Control circuit 310 also comprises the first D/A converting circuit 522 and the second D/A converting circuit 524, the output of the first D/A converting circuit 522 is connected to the grid of the first P-channel field-effect transistor (PEFT) pipe 508, the output of the second D/A converting circuit 524 is connected to the grid of the second P-channel field-effect transistor (PEFT) pipe 516, the operation result that the first D/A converting circuit 522 is used for the output signal of 310 pairs of the first analog to digital conversion circuits 518 of control circuit is processed converts analog signal to, the operation result that the second D/A converting circuit 524 is used for the output signal of 310 pairs of the second analog to digital conversion circuits 520 of control circuit is processed converts analog signal to, control circuit 310 exports the size that the voltage on the grid of the first P-channel field-effect transistor (PEFT) pipe 508 is regulated the output current of micro USB plug 526 to by controlling the first D/A converting circuit 522, and exports the size that voltage on the grid of the second P-channel field-effect transistor (PEFT) pipe 516 comes the output current of adjustment criteria USB socket 528 to by controlling the second D/A converting circuit 524.
Therefore, adopt to regulate the size that the mode of the grid voltage of two P-channel field-effect transistor (PEFT) pipes is regulated respectively the output current of micro USB plug and standard USB socket.
In another embodiment, P-channel field-effect transistor (PEFT) pipe in above-mentioned the first current limliting unit and the second current limliting unit can be replaced to N channel field-effect pipe, but this moment, connected mode is changed to some extent, wherein, the drain electrode of a N channel field-effect pipe is connected with the 3rd resistance 502, and the source electrode of a N channel field-effect pipe is connected with micro USB plug 526, one end of the 4th resistance 506 is connected with the drain electrode of a N channel field-effect pipe, and the other end is connected with the grid of a N channel field-effect pipe; The drain electrode of the 2nd N channel field-effect pipe is connected with the 5th resistance 510, the source electrode of the 2nd N channel field-effect pipe is connected with standard USB socket 528, one end of the 6th resistance 514 is connected with the drain electrode of the 2nd N channel field-effect pipe, and the other end is connected with the grid of the 2nd N channel field-effect pipe.
The output of the first D/A converting circuit 522 in the control circuit 310 is connected to the grid of a described N channel field-effect pipe, the output of described the second D/A converting circuit 524 is connected to the grid of the 2nd N channel field-effect pipe, described control circuit 310 exports the size that the voltage on the grid of a N channel field-effect pipe is regulated the output current of micro USB plug 526 to by controlling the first D/A converting circuit 522, and exports the size that voltage on the grid of the 2nd N channel field-effect pipe comes the output current of adjustment criteria USB socket 528 to by controlling the second D/A converting circuit 524.
Therefore, can adopt the mode of the grid voltage of regulating two N channel field-effect pipes to control respectively the size of the output current of micro USB plug and standard USB socket.
From such scheme as can be known, adopt the mode of power switch can the control criterion USB socket and the break-make of the electric current of micro USB plug, the mode that adopts field effect transistor then can the control criterion USB socket and the size of the electric current of micro USB plug, play the effect of current limliting, the specific implementation process of current limliting, then need control circuit according to the strategy that presets the current signal that detects to be carried out calculation process and exports corresponding voltage according to operation result to the grid of corresponding field effect transistor, thereby control the size of electric current by the communication channel of field effect transistor.
Next in conjunction with Fig. 6 charger according to another embodiment of the present utility model is described.
Charger 600 as shown in Figure 6 comprises that the standard USB socket is connected to the current output channels of charger, is provided with cavity 602 at charger for the standard USB socket of power supply output, and the data wire that is connected with the standard USB socket can be placed in the cavity 602.
In this technical scheme, charger 600 can be taken in data wire, makes things convenient for the user to carry, and can avoid the user to leave behind the situation of data wire simultaneously.
Preferably, an end of data wire is connected with the standard USB plug, and the other end of data wire is connected with micro USB plug or standard USB plug.
In this technical scheme, the difference of the interface type of supporting according to terminal to be charged, charger carries the data wire of different interface type, is complementary with the interface of terminal to be charged.
To sum up, can the flexible choice power output interface according to the utility model, avoid leaving behind data wire and the problem that causes charging to terminal, be user-friendly to.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (10)

1. a charger is characterized in that, comprising: at least two power output interfaces, and wherein at least one described power output interface is the micro USB plug, described micro USB plug is connected to the current output channels of described charger by data wire.
2. charger according to claim 1 is characterized in that, at least one power output interface in described at least two power output interfaces is the standard USB socket, and described standard USB socket is connected to described current output channels.
3. charger according to claim 1 is characterized in that, is provided with contained structure in the described charger, and described micro USB plug and described data wire are recoverable to described contained structure.
4. charger according to claim 1 is characterized in that, described contained structure has groove or cavity shape structure, and described groove is arranged at the surface of described charger, and it is inner that described cavity shape structure is arranged on described charger.
5. charger according to claim 2 is characterized in that, also comprises: battery, be connected to described current output channels, and can be used as the common power supply of described micro USB plug and described standard USB socket.
6. each described charger in 4 according to claim 1 is characterized in that, also comprises current limliting unit and control circuit, wherein,
Be provided with described current limliting unit on the input circuit of each described power output interface;
Described control circuit is connected to described current limliting unit, and described control circuit is controlled the size that the output current of described power output interface is regulated in described current limliting unit according to the current signal that described current limliting unit inspection arrives.
7. charger according to claim 6, it is characterized in that, described current limliting unit comprises: the first resistance, the first comparator and power switch, wherein, described the first resistance and described power switch are connected on the input circuit of described power output interface, the positive input of described the first comparator and reverse input end are connected to respectively the two ends of described the first resistance, for the current signal on the input circuit that obtains described power output interface;
Described control circuit comprises the first analog to digital conversion circuit, be used for converting current analog signal to digital signal, described the first analog to digital conversion circuit is connected to the output of described the first comparator, and described control circuit is controlled unlatching or the disconnection of described power switch according to the output signal of described the first comparator.
8. charger according to claim 6, it is characterized in that, described current limliting unit comprises: the second resistance, the second comparator, the 3rd resistance and P-channel field-effect transistor (PEFT) pipe, wherein, described the second resistance string is associated on the input circuit of described power output interface, the source electrode of described P-channel field-effect transistor (PEFT) pipe is connected with described the second resistance, the drain electrode of described P-channel field-effect transistor (PEFT) pipe is connected with described power output interface, one end of described the 3rd resistance is connected with the source electrode of described P-channel field-effect transistor (PEFT) pipe, the other end of described the 3rd resistance is connected with the grid of described P-channel field-effect transistor (PEFT) pipe, the positive input of described the second comparator and reverse input end are connected to respectively the two ends of described the second resistance, for the current signal on the input circuit that obtains described power output interface;
Described control circuit also comprises the second analog to digital conversion circuit, be used for converting current analog signal to digital signal, described the second analog to digital conversion circuit is connected to the output of described the second comparator, and described the second analog to digital conversion circuit is connected to the output of described the second comparator;
Described control circuit also comprises the first D/A converting circuit, the output of described the first D/A converting circuit is connected to the grid of described P-channel field-effect transistor (PEFT) pipe, the operation result that described the first D/A converting circuit is used for described control circuit is processed the output signal of described the second analog to digital conversion circuit converts analog signal to, and described control circuit exports the size that the voltage on the grid of described P-channel field-effect transistor (PEFT) pipe is regulated the output current of described power output interface to by controlling described the first D/A converting circuit.
9. charger according to claim 6, it is characterized in that, described current limliting unit comprises: the 4th resistance, the 3rd comparator, the 5th resistance and N channel field-effect pipe, wherein, described the 4th resistance string is associated on the input circuit of described power output interface, the drain electrode of described N channel field-effect pipe is connected with described the 4th resistance, the source electrode of described N channel field-effect pipe is connected with described power output interface, one end of described the 5th resistance is connected with the drain electrode of described N channel field-effect pipe, the other end of described the 5th resistance is connected with the grid of described N channel field-effect pipe, the positive input of described the 3rd comparator and reverse input end are connected to respectively the two ends of described the 4th resistance, for the current signal on the input circuit that obtains described power output interface;
Described control circuit also comprises the 3rd analog to digital conversion circuit, is used for converting current analog signal to digital signal, and described the 3rd analog to digital conversion circuit is connected to the output of described the 3rd comparator;
Described control circuit also comprises the second D/A converting circuit, the output of described the second D/A converting circuit is connected to the grid of described N channel field-effect pipe, the operation result that described the second D/A converting circuit is used for described control circuit is processed the output signal of described the 3rd analog to digital conversion circuit converts analog signal to, and described control circuit exports the size that the voltage on the grid of described N channel field-effect pipe is regulated the output current of described power output interface to by controlling described the second D/A converting circuit.
10. charger, comprise that described standard USB socket is connected to the current output channels of described charger, it is characterized in that for the standard USB socket of power supply output, be provided with cavity at described charger, the data wire that is connected with described standard USB socket can be placed in the described cavity.
CN 201220353207 2012-07-19 2012-07-19 Charger Active CN202749848U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098890A (en) * 2015-07-23 2015-11-25 深圳市华宝新能源有限公司 Charging data line and charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105098890A (en) * 2015-07-23 2015-11-25 深圳市华宝新能源有限公司 Charging data line and charger
WO2017012180A1 (en) * 2015-07-23 2017-01-26 深圳市华宝新能源股份有限公司 Charging data cable and charger

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