CN203275907U - Power supply identification system - Google Patents
Power supply identification system Download PDFInfo
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- CN203275907U CN203275907U CN 201320287869 CN201320287869U CN203275907U CN 203275907 U CN203275907 U CN 203275907U CN 201320287869 CN201320287869 CN 201320287869 CN 201320287869 U CN201320287869 U CN 201320287869U CN 203275907 U CN203275907 U CN 203275907U
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Abstract
The embodiment of the utility model provides a power supply identification system. The power supply identification system is characterized in that: the power supply identification system comprises a power supply device and an electronic device; the power supply device comprises a power supply unit which is equipped for outputting a DC voltage and an information loading unit which is configured for applying information about the power supply device to the DC voltage and outputting an output voltage having the information about the power supply device; and the electronic device comprises a first extracting unit which is equipped for extracting the DC voltage from the output voltage coming from the power supply device, a second extracting unit which is equipped for extracting the information about the power supply device from the output voltage coming from the power supply device, and a control unit which is equipped for determining whether the power supply device meets predetermined power supply conditions according to the information about the power supply device, and connecting the first extracting unit with a load of the electronic device when the power supply device meets the predetermined power supply conditions.
Description
Technical field
The utility model relates to a kind of power supply recognition system, and more particularly, the utility model relates to a kind of power supply recognition system that comprises power-supply unit and electronic equipment.
Background technology
Along with the develop rapidly of science and technology, for example the various electronic equipments of personal computer, notebook, tablet computer, smart mobile phone and portable media player and so on are widely used in recent years.Correspondingly, be used for also getting more and more to various types of AC adapter or the external battery box of power electronic equipment.
Traditional AC adapter or external battery box are directly exported the direct supply with fixed voltage usually.Yet whether the electronic equipment that is powered can't Direct Recognition comes the voltage and current of direct supply of Self Powered Device suitable.In the situation that electronic equipment is by unsuitable DC power supply, electronic equipment can't work, and even occur damaging.
The utility model content
The purpose of this utility model is to provide a kind of power supply recognition system, to address the above problem.
Embodiment of the present utility model provides a kind of power supply recognition system that comprises power-supply unit and electronic equipment, and wherein power-supply unit comprises: configuration comes the power supply unit of output dc voltage; Configuration will be carried in about the information of power-supply unit on DC voltage, and output device is relevant for the information loading unit of the output voltage of the information of power-supply unit, and wherein electronic equipment comprises: configuration comes from the first extraction unit from the described DC voltage of extraction the described output voltage of described power-supply unit; Configuration comes from from the second extraction unit that extracts described information about described power-supply unit the described output voltage of described power-supply unit; Configuration determines according to described information about described power-supply unit whether described power-supply unit satisfies predetermined condition of power supply, and the control module that when determining that described power-supply unit satisfies predetermined condition of power supply, described the first extraction unit is connected with the load of described electronic equipment.
According to embodiment of the present utility model, the information loading unit of power-supply unit can comprise that configuration comes basis about the signal formation component of the Information generation low frequency electric signal of power-supply unit and configuration, the low frequency electric signal to be modulated on high-frequency carrier signal to generate the signal conditioning package of modulation signal in the amplitude modulation mode.And the information loading unit will be carried on DC voltage as modulation signal about the information of power-supply unit.
According to embodiment of the present utility model, the second extraction unit of electronic equipment extracts modulation signal from output voltage, and by the demodulation mode demodulation modulation signal corresponding with the amplitude modulation mode, to obtain the information about power-supply unit.
According to embodiment of the present utility model, the control module of electronic equipment also can be worked as when determining that power-supply unit does not satisfy predetermined condition of power supply, disconnects being connected between the load of the first extraction unit and electronic equipment.
In addition, according to embodiment of the present utility model, the input voltage output dc voltage that the power supply unit of power-supply unit can provide by battery or external power source.
In the power supply recognition system according to the utility model embodiment, by being carried in about the information of power-supply unit on DC voltage, can obtain and output device has the output voltage of described information about described power-supply unit, and receive the electronic equipment of the output voltage of Self Powered Device to determine about the information of described power-supply unit whether the power supply that power-supply unit provides can be used by extracting from output voltage.Thereby guaranteed electronic equipment can be safely, normally work.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the below will do to introduce simply to the accompanying drawing of required use in the description of embodiment.Accompanying drawing in the following describes is only exemplary embodiment of the present utility model.
Fig. 1 is the demonstrative structure block diagram that illustrates according to the power supply recognition system of the utility model embodiment.
Fig. 2 is the key diagram that illustrates according to an illustrative case of the power supply recognition system of the utility model embodiment.
Embodiment
Hereinafter, describe preferred embodiment of the present utility model in detail with reference to accompanying drawing.Note, in this instructions and accompanying drawing, have substantially the same step and represent with identical Reference numeral with element, and will be omitted the repetition of explanation of these steps and element.
Below, the power supply recognition system of embodiment of the present utility model is described with reference to Fig. 1.Fig. 1 is the demonstrative structure block diagram that illustrates according to the power supply recognition system 100 of the utility model embodiment.In the embodiment shown in fig. 1, power supply recognition system 100 comprises: power-supply unit 110 and electronic equipment 130.In following examples of the present utility model, the concrete form of electronic equipment 130 includes but not limited to personal computer, notebook, tablet computer, smart phone, personal digital assistant, game machine, multimedia player, microphone etc.
As shown in Figure 1, power-supply unit 110 comprises power supply unit 111 and information loading unit 112.Particularly, the exportable DC voltage of power supply unit 111.According to an example of the present utility model, the input voltage output dc voltage that power supply unit 111 can provide by battery.For example, power supply unit 111 can comprise fixing rechargeable battery or in power supply unit 111, detachable battery can be installed.The input voltage output dc voltage that power supply unit 111 can provide by battery.Again for example, power supply unit 111 can be AC adapter, and the input voltage that the external power source of for example mains supply and so on can be provided is converted to DC voltage and output.In addition, can according to predetermined power supply object, set in advance the magnitude of voltage of the DC voltage of power supply unit 111 outputs.
Information loading unit 112 can be carried in the information about power-supply unit on DC voltage, and output device is relevant for the output voltage of the information of power-supply unit.According to an example of the present utility model, comprise one or more in following information about the information of power-supply unit 110: indication power supply unit 111 by the powered battery output dc voltage still by external power supply power output dc voltage power state information, 111 outputs of indication power supply unit DC voltage magnitude of voltage information of voltage, indication power-supply unit 110 output-current rating current information and indicate the brand of power-supply unit 110 and/or the power attributes information of model.
According to an example of the present utility model, information loading unit 112 can comprise that memory module is with pre-stored information about power-supply unit.In addition, according to another example of the present utility model, information loading unit 112 can comprise that also securing component is to obtain the current information about power-supply unit.For example, in the situation that the input voltage output dc voltage that power supply unit 111 not only can provide by battery but also the input voltage output dc voltage that can provide by external power source, securing component can obtain indication about current power-supply unit by powered battery the still information by external power source.
In addition, according to another example of the present utility model, information loading unit 112 can comprise signal formation component and signal conditioning package.The signal formation component can be according to the Information generation low frequency electric signal about power-supply unit.For example, the signal formation component can generate the low frequency electric signal according to the DC voltage of power supply unit 111 outputs.Then, signal conditioning package can be modulated at the low frequency electric signal of signal formation component generation on high-frequency carrier signal to generate modulation signal in the amplitude modulation mode.For example, signal conditioning package can be according to setting in advance the generation high-frequency carrier signal.Information loading unit 112 can will be carried in as modulation signal about the information of power-supply unit on the DC voltage of power supply unit 111 outputs to obtain to have loaded the output voltage about the information of power-supply unit.
On the other hand, as shown in Figure 1, electronic equipment 130 comprises the first extraction unit 131, the second extraction unit 132 and control module 133.The first extraction unit 131 always extracts DC voltage in the output voltage of Self Powered Device 110.The second extraction unit 132 always extracts the information about power-supply unit in the output voltage of Self Powered Device 110.In the situation that the information loading unit comprises signal formation component and signal conditioning package as mentioned above, the second extraction unit 132 can extract modulation signal from output voltage, and by the demodulation mode demodulation modulation signal corresponding with the amplitude modulation mode of signal conditioning package, to obtain the information about power-supply unit.
Control module 133 can be according to determining about the information of power-supply unit 110 whether power-supply unit 110 satisfies predetermined condition of power supply, and when definite power-supply unit satisfies predetermined condition of power supply, the first extraction unit is connected with the load of electronic equipment, so that the DC voltage that the first extraction unit 131 extracts is applied to the load of electronic equipment.
For example, in the situation that comprise the current information of the output-current rating of the information of voltage of magnitude of voltage of DC voltage of indication power supply unit 111 outputs and indication power-supply unit 110 about the information of power-supply unit 110, control module 133 can determine whether the voltage and current of power-supply unit 110 outputs satisfies electronic equipment 130 for the requirement of input voltage and electric current, and when the voltage and current of power-supply unit 110 output satisfies electronic equipment 130 for the requiring of input voltage and electric current, the first extraction unit is connected with the load of electronic equipment.
In addition, another embodiment that sends out according to the utility model, when definite power-supply unit does not satisfy predetermined condition of power supply, control module 130 also can disconnect being connected between the load of the first extraction unit and electronic equipment, so that the DC voltage that the first extraction unit 131 extracts is not applied to the load of electronic equipment.
In the power supply recognition system according to the present embodiment, by being carried in about the information of power-supply unit on DC voltage, can obtain and output device has the output voltage of described information about described power-supply unit, and receive the electronic equipment of the output voltage of Self Powered Device to determine about the information of described power-supply unit whether the power supply that power-supply unit provides can be used by extracting from output voltage.Thereby guaranteed electronic equipment can be safely, normally work.
Fig. 2 is the key diagram that illustrates according to an illustrative case of the power supply recognition system of the utility model embodiment.Below, with reference to Fig. 2, an example of the power supply recognition system shown in Fig. 1 is described.In the embodiment shown in Figure 2, the power supply recognition system comprises: power-supply unit 210 and electronic equipment 230.
As shown in Figure 2, in power-supply unit 210, power supply unit 211 can comprise battery or AC adapter, and the exportable DC voltage of power supply unit 211.The first end of power supply unit 211 can ground connection, and the second end of power supply unit 211 can be connected with the first end of inductance L 1.
Signal formation component in signal processing module 221 can be according to the Information generation low frequency electric signal about power-supply unit.Then, the signal conditioning package in signal processing module 221 can be modulated at the low frequency electric signal of signal formation component generation on high-frequency carrier signal to generate modulation signal in the amplitude modulation mode.As shown in Figure 2, the first end of signal processing module 221 can be connected with the second end of power supply unit 211.Thereby the signal formation component can generate the low frequency electric signal by the DC voltage of power supply unit 211 outputs, and signal conditioning package also can generate high-frequency carrier signal by the DC voltage of power supply unit 211 outputs.The second end of signal processing module 221 can be connected with the first end of resistance R 1.Resistance R 1 is to adjust the output internal resistance of the modulation signal of signal processing module 221 outputs.The first end of capacitor C 1 is connected with the second end of resistance R 1, but the ac signal of capacitor C 1 Continuity signal processing module 221 outputs, and the isolated DC signal.And the second end of capacitor C 1 is connected with the second end of inductance L 1.But the direct current signal of inductance L 1 conducting power supply unit 211 outputs is also isolated AC signal, and prevents that the modulation signal of signal processing module 221 outputs is powered unit 211 filterings.In addition, be connected with the second end of inductance L 1 by the second end with capacitor C 1, modulation signal can be loaded in the power delivery path.Thereby, the exportable output voltage that has loaded about the information of power-supply unit of power output end.
On the other hand, as shown in Figure 2, electronic equipment 230 comprises the first extraction unit 231, the second extraction unit 232 and control module 233.The first end of the first extraction unit 231 can be connected with the power input of electronic equipment 230.The first extraction unit 231 can comprise inductance L 2.But the modulation signal that inductance L 2 conducting DC voltage and isolation exchange.
The first end of the second extraction unit 232 can be connected with the power input of electronic equipment 230.The second extraction unit 232 can comprise capacitor C 2.But the modulation signal that capacitor C 2 conductings exchange, and and isolated DC voltage.In addition, the second extraction unit 232 also comprises signal demodulation components 241.Signal demodulation components 241 can be by the demodulation mode demodulation modulation signal corresponding with the amplitude modulation mode of signal conditioning package, to obtain the information about power-supply unit.
With about the info class of power-supply unit 110 seemingly, comprise one or more in following information about the information of power-supply unit 210: indication power supply unit 211 by the powered battery output dc voltage still by external power supply power output dc voltage power state information, 211 outputs of indication power supply unit DC voltage magnitude of voltage information of voltage, indication power-supply unit 210 output-current rating current information and indicate the brand of power-supply unit 210 and/or the power attributes information of model.
The second end of the second extraction unit 232 can be connected with control module 233.Control module 233 can comprise relay J 1.Control module 233 can be according to determining about the information of power-supply unit 210 whether power-supply unit 210 satisfies predetermined condition of power supply, and 1 conducting of control relay J is connected with the load 251 of electronic equipment 210 with the second end with the first extraction unit 231 when definite power-supply unit 210 satisfies predetermined condition of power supply, so that the DC voltage that the first extraction unit 231 extracts is applied to the load 251 of electronic equipment 210.And when control module 233 determines that power-supply unit 210 does not satisfy predetermined condition of power supply, being connected between the second end that control module 233 also can disconnect the first extraction unit 231 and the load of electronic equipment be not so that the DC voltage that the first extraction unit 231 extracts is applied to the load 251 of electronic equipment 210.
In addition, electronic equipment 230 also can comprise capacitor C 3.The first end of capacitor C 3 can be connected with the second end of the first extraction unit 231, but and the second end ground connection of capacitor C 3.Capacitor C 3 can be used for power supply decoupling and filtering.In addition, the inductance L 2 in the first extraction unit 231 can prevent modulation signal by capacitor C 3 filterings or be weakened by load 251.
Although in aforesaid general introduction and in describing in detail, exemplary embodiment of the present utility model has been shown, yet has those skilled in the art should understand that the change part that has a lot of quantity.Can be dependent on design requirement and other factors the utility model is carried out various modifications, combination, part combination and replaces, as long as they are in the scope of appended claims and equivalent thereof.
Claims (5)
1. a power supply recognition system, is characterized in that, comprising:
Power-supply unit comprises:
Configuration comes the power supply unit of output dc voltage;
Configuration will be carried in about the information of described power-supply unit on described DC voltage, and output device has the information loading unit of the output voltage of described information about described power-supply unit,
Electronic equipment comprises:
Configuration comes from the first extraction unit from the described DC voltage of extraction the described output voltage of described power-supply unit;
Configuration comes from from the second extraction unit that extracts described information about described power-supply unit the described output voltage of described power-supply unit;
Configuration determines according to described information about described power-supply unit whether described power-supply unit satisfies predetermined condition of power supply, and the control module that when determining that described power-supply unit satisfies predetermined condition of power supply, described the first extraction unit is connected with the load of described electronic equipment.
2. power supply recognition system as claimed in claim 1, is characterized in that, described information loading unit comprises:
Configuration comes basis about the signal formation component of the Information generation low frequency electric signal of described power-supply unit;
Configuration is modulated on high-frequency carrier signal to generate the signal conditioning package of modulation signal with described low frequency electric signal in the amplitude modulation mode,
Described information loading unit will be carried on described DC voltage as described modulation signal about the information of described power-supply unit.
3. power supply recognition system as claimed in claim 2, is characterized in that,
Described the second extraction unit extracts described modulation signal from described output voltage, and by the demodulation mode demodulation described modulation signal corresponding with described amplitude modulation mode, to obtain described information about described power-supply unit.
4. power supply recognition system as claimed in claim 1, is characterized in that,
Described control module also configures and comes when definite described power-supply unit is satisfied when being scheduled to condition of power supply, disconnects being connected between the load of described the first extraction unit and described electronic equipment.
5. power supply recognition system as claimed in claim 1, is characterized in that,
The described DC voltage of input voltage output that described power supply unit provides by battery or external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287869 CN203275907U (en) | 2013-05-23 | 2013-05-23 | Power supply identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287869 CN203275907U (en) | 2013-05-23 | 2013-05-23 | Power supply identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275907U true CN203275907U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320287869 Expired - Lifetime CN203275907U (en) | 2013-05-23 | 2013-05-23 | Power supply identification system |
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| CN (1) | CN203275907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507506A (en) * | 2018-11-19 | 2019-03-22 | 珠海格力电器股份有限公司 | DC electric apparatus control method and DC electric apparatus |
-
2013
- 2013-05-23 CN CN 201320287869 patent/CN203275907U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507506A (en) * | 2018-11-19 | 2019-03-22 | 珠海格力电器股份有限公司 | DC electric apparatus control method and DC electric apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |