CN103928947A - Charge method, apparatus and system of electronic device - Google Patents
Charge method, apparatus and system of electronic device Download PDFInfo
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- CN103928947A CN103928947A CN201310009986.4A CN201310009986A CN103928947A CN 103928947 A CN103928947 A CN 103928947A CN 201310009986 A CN201310009986 A CN 201310009986A CN 103928947 A CN103928947 A CN 103928947A
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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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Abstract
The invention discloses a charge method, apparatus and system of an electronic device. In the charge method of the electronic device, after a first electronic device establishes connection with a second electronic device, the second electronic device can start a conversion circuit to covert power supply voltages of itself into power supply voltages needed by a multimedia work module of the second electronic device, and the first electronic device can switch circuits with different functions so as to receive the power supply voltages transmitted by the second electronic device. According to the method, apparatus and system, after the first electronic device is connected with the second electronic device, the second electronic device can charge the first electronic device through controlling circuit starting and switching among different circuits, so that complete transmission of video and audio data is effectively ensured, and electricity can be reserved for a hand-held device.
Description
Technical field
The present invention relates to circuit field, in particular, relate to a kind of charging method, Apparatus and system of electronic equipment.
Background technology
In order to meet users to the high-level requirement of handheld device, the raw manufacturer of handheld device has configured HDMI(High Definition Multimedia Interface in handheld device, HDMI (High Definition Multimedia Interface)), HDMI is a kind of digitized video/audio interface technology, be the tailored version digital interface that is applicable to image transmission, can be used in the broadcasting of HD video.
When HDMI interface in use handheld device carries out video playback, normally handheld device provides an activation voltage to the HDMI operational module in connected equipment by HDMI interface and HDMI line, the equipment here can be display, after the HDMI of the equipment being connected with handheld device operational module obtains activation voltage that handheld device transmits by HDMI interface, start working, and connect with handheld device, and then realize the high definition of the Audio and Video data in handheld device is play.Because the operating voltage of the HDMI operational module of the equipment being connected with handheld device is generally 5V, be far smaller than the supply power voltage of the equipment being connected with handheld device, therefore, in the described HDMI operational module course of work, need handheld device that the boost in voltage of self is reached and is continuously the power supply of HDMI operational module after 5V.
But, in the prior art, handheld device connects by HDMI interface and external equipment, and after connecting, in the process of external equipment displaying video, handheld device and external equipment keep the required activation voltage of connection status all to be provided by handheld device, and this has just increased the power consumption of handheld device greatly, thereby have shortened handheld device transmits Audio and Video data to external equipment effective time by HDMI interface.
Summary of the invention
In view of this, the invention provides a kind of charging method, Apparatus and system of electronic equipment, to overcome in prior art because handheld device and external equipment connect and keep connection status all to be increased by the handheld device handheld device power consumption causing of powering, and then shorten handheld device and transmit the Audio and Video data problem of effective time to external equipment.
For achieving the above object, the invention provides following technical scheme:
A charging method for electronic equipment, is applied to the first electronic equipment, comprising:
Described the first electronic equipment connects by multimedia interface and the second electronic equipment;
Receive the charging index signal that described the second electronic equipment sends after starting resistor conversion circuit;
According to described charging index signal, the connecting circuit that connects the second electronic equipment is switched to second circuit by the first circuit, and return to handover success signal to described the second electronic equipment;
Receive described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
Optionally, described the first electronic equipment connects by multimedia interface and the second electronic equipment, comprising:
The first electronic equipment detects whether there is the second electronic equipment;
If so, for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal;
After described Multimedia Work module activates, described the first electronic equipment and described the second electronic equipment connect.
Wherein, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
Optionally, described the second electronic equipment of described reception is according to described handover success signal, and the charging voltage transmitting by described voltage conversion circuit, comprising:
By described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the supply power voltage transmitting by voltage conversion circuit carries out step-down processing;
Receive the described supply power voltage through step-down processing storage.
Wherein, described the first circuit is connected side by side with described second circuit, and described the first circuit is connected with No. 18 pins of described multimedia interface respectively with described second circuit.
A charging method for electronic equipment, is applied to the second electronic equipment, comprising:
Described the second electronic equipment connects by multimedia interface and the first electronic equipment;
Starting resistor change-over circuit, and send charging index signal to described the first electronic equipment;
Receive the handover success signal that described the first electronic equipment returns; Described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit;
According to described handover success signal, transmit charging voltage by voltage conversion circuit to described the first electronic equipment.
Optionally, described the second electronic equipment connects by multimedia interface and the first electronic equipment, comprising:
The second electronic equipment detects whether there is the first electronic equipment;
If so, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits;
After described Multimedia Work module activates, described the second electronic equipment and described the first electronic equipment connect.
Wherein, described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described Multimedia Work module can be used.
Optionally, described according to described handover success signal, transmit charging voltage by voltage conversion circuit to described the first electronic equipment, comprising:
According to described handover success signal, transmit described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
A charging device for electronic equipment, is applied to the first electronic equipment, comprising:
First module that connects, for connecting described the first electronic equipment by multimedia interface and the second electronic equipment;
First signal receiver module, the charging index signal sending after starting resistor conversion circuit for receiving described the second electronic equipment;
Circuit handover module, for according to described charging index signal, switches to second circuit by the connecting circuit that connects the second electronic equipment by the first circuit, and returns to handover success signal to described the second electronic equipment;
Voltage receiver module, for receiving described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
Optionally, described first module that connects, comprising:
First detection module, for detection of whether there being the second electronic equipment;
Voltage provides module, in the testing result of described first detection module when being, for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal;
The first connexon module, after activating in described Multimedia Work module, connects with described the second electronic equipment.
Optionally, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
Optionally, described voltage receiver module, comprising:
Step-down processing module, for by described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the voltage transmitting by voltage conversion circuit carries out step-down processing;
Voltage receives submodule, for receiving the described voltage through step-down processing storage.
A charging device for electronic equipment, is applied to the second electronic equipment, comprising:
Second module that connects, for connecting logical described the second electronic equipment multimedia interface and the first electronic equipment;
Circuit start module, for starting resistor change-over circuit, and sends charging index signal to described the first electronic equipment;
Secondary signal receiver module, the handover success signal returning for receiving described the first electronic equipment; Described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit;
Voltage delivery module, for according to described handover success signal, transmits charging voltage by voltage conversion circuit to described the first electronic equipment.
Optionally, described second module that connects, comprising:
The second detection module, for detection of whether there being the first electronic equipment;
Activation signal receiver module, in the testing result of described the second detection module when being, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits;
The second connexon module, after activating in described Multimedia Work module, connects with described the first electronic equipment.
Wherein, described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described multi-media module can use.
Wherein, described voltage delivery module specifically for: according to described handover success signal, transmit described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
A charging system for electronic equipment, comprises first device and the second device;
Described first device is the charging device of foregoing the first electronic equipment;
The charging device that described the second device is foregoing the second electronic equipment.
Known via above-mentioned technical scheme, compared with prior art, the embodiment of the invention discloses a kind of charging method, Apparatus and system of electronic equipment, in the charging method of described electronic equipment, after the first electronic equipment and the second electronic equipment connect, the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described method, Apparatus and system are after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the charging method flow chart of the disclosed electronic equipment of the embodiment of the present invention;
Fig. 2 is the flow chart that disclosed the first electronic equipment of the embodiment of the present invention and the second electronic equipment connect;
Fig. 3 is the flow chart that disclosed the first electronic equipment of inventive embodiments receives the supply power voltage of the second electronic equipment transmission;
Fig. 4 is the charging method flow chart of disclosed another electronic equipment of the embodiment of the present invention;
Fig. 5 is the charging device structural representation of the disclosed electronic equipment of the embodiment of the present invention;
Fig. 6 is the connect structural representation of module of the embodiment of the present invention disclosed first;
Fig. 7 is the disclosed voltage receiver module of embodiment of the present invention structural representation;
Fig. 8 is the charging device structural representation of disclosed another electronic equipment of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
Fig. 1 is the charging method flow chart of the disclosed electronic equipment of the embodiment of the present invention, and method shown in Fig. 1 is applied to the first electronic equipment, shown in Figure 1, and the charging method of described electronic equipment comprises:
Step 101: described the first electronic equipment connects by multimedia interface and the second electronic equipment.
Wherein, described multimedia interface can be HDMI interface.Described the first electronic equipment can be hand-hold electronic equipments.
In a schematic example, the detailed process that the first electronic equipment connects by multimedia interface and the second electronic equipment can be referring to Fig. 2, Fig. 2 is the flow chart that disclosed the first electronic equipment of the embodiment of the present invention and the second electronic equipment connect, and as shown in Figure 2, can comprise:
Step 201: the first electronic equipment detects whether there is the second electronic equipment, if so, enters step 202.
In step 201, detection can be electric current movable signal, when described the first electronic equipment detects while having electric current to pass through by described multimedia interface, show to exist the second electronic equipment.In the time that the first electronic equipment does not detect the second electronic equipment, do not do any operation.
Step 202: for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal.
In the time that step 201 detects existence the second electronic equipment, the supply power voltage of the not enough 5V of self can be risen to 5V by a booster circuit, and send the 5V voltage after boosting to Multimedia Work module in described the second electronic equipment, to activate the original Multimedia Work module in resting state in described the second electronic equipment.The Multimedia Work module of this second electronic equipment is for realizing from the first electronic equipment receiver, video and voice data.
Step 203: after described Multimedia Work module activates, described the first electronic equipment and described the second electronic equipment connect.
Multimedia Work module in described the second electronic equipment just can be worked after activating normally, realizes the data transmission of the first electronic equipment and the second electric room.
After step 101, enter step 102.
Step 102: receive the charging index signal that described the second electronic equipment sends after starting resistor conversion circuit.
After described the first electronic equipment connects by multimedia interface and described the second electronic equipment, described the second electronic equipment meeting starting resistor change-over circuit, this voltage conversion circuit is used for the supply power voltage of described the second electronic equipment self, be generally 220V alternating current, be converted to the supply power voltage that its Multimedia Work module can be used, i.e. direct current 5V.Start after described voltage conversion circuit at described the second electronic equipment, the Multimedia Work module that the 5V voltage after conversion is supplied with described the second electronic equipment by described voltage conversion circuit is used.At this moment, the multi-media module of described the second electronic equipment no longer needs described the first electronic equipment to provide supply power voltage for it.
Step 103: according to described charging index signal, the connecting circuit that connects the second electronic equipment is switched to second circuit by the first circuit, and return to handover success signal to described the second electronic equipment.
Wherein, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.Described the first circuit can be connected side by side with described second circuit, and described the first circuit is connected with No. 18 pins of described multimedia interface respectively with described second circuit.
Described the first electronic equipment is receiving after the charging index signal of described the second equipment transmission, know that the voltage conversion circuit of described the second power supply unit starts working, therefore can will be connected with described the second electronic equipment, the booster circuit that offers the Multimedia Work module of described the second electronic equipment for self supply power voltage is boosted to after 5V switches to a reduction voltage circuit, accordingly, the supply power voltage that described reduction voltage circuit can use into described the first electronic equipment for the 5V voltage step-down after the voltage conversion circuit of described the second electronic equipment is changed.
Step 104: receive described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
Learn that at described the second electronic equipment described the first electronic equipment switches to booster circuit after reduction voltage circuit, described the second electronic equipment can send the supply power voltage through its voltage conversion circuit step-down processing to described the first electronic equipment.
In a schematic example, the first electronic equipment receives the detailed process of supply power voltage that the second electronic equipment transmits can be referring to Fig. 3, Fig. 3 is the flow chart that disclosed the first electronic equipment of inventive embodiments receives the supply power voltage of the second electronic equipment transmission, as shown in Figure 3, can comprise:
Step 301: by described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the supply power voltage transmitting by voltage conversion circuit carries out step-down processing.
The object of this step-down processing is the supply power voltage that the 5V voltage step-down after the voltage conversion circuit in the second electronic equipment is changed can be used into described the first electronic equipment.
Step 302: receive the described supply power voltage through step-down processing storage.
Described the second electronic equipment can be sent, be stored in the storage battery of described the first electronic equipment self through the supply power voltage of step-down processing.
In the present embodiment, the charging method of described electronic equipment is after the first electronic equipment and the second electronic equipment connect, and the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described method is after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
Embodiment bis-
Fig. 4 is the charging method flow chart of disclosed another electronic equipment of the embodiment of the present invention, and the method shown in Fig. 4 is applied to the second electronic equipment, and its method step is corresponding with the step of the first electronic equipment in embodiment mono-.Shown in Figure 4, the charging method of described electronic equipment can comprise:
Step 401: described the second electronic equipment connects by multimedia interface and the first electronic equipment.
Wherein, described multimedia interface can be HDMI interface.Described the first electronic equipment can be hand-hold electronic equipments.
In a schematic example, the detailed process that the second electronic equipment connects by multimedia interface and the first electronic equipment can comprise: the second electronic equipment detects whether there is the first electronic equipment; If so, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits; After described Multimedia Work module activates, described the second electronic equipment and described the first electronic equipment connect.In the time that the second electronic equipment does not detect the first electronic equipment, do not do any operation.
Step 402: starting resistor change-over circuit, and send charging index signal to described the first electronic equipment.
Described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described Multimedia Work module can be used.In a kind of situation, can be that 220V alternating current is converted to the direct current 5V voltage that Multimedia Work module can be used.At this moment, the multi-media module of described the second electronic equipment no longer needs described the first electronic equipment to provide supply power voltage for it.
Step 403: receive the handover success signal that described the first electronic equipment returns.
Wherein, described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit.Described the first circuit can be booster circuit; Described second circuit can be reduction voltage circuit.
Described the first electronic equipment is receiving after the charging index signal of described the second electronic equipment transmission, know that described the second electronic equipment can self power to its Multimedia Work module, then the booster circuit being connected with described the second electronic equipment can be switched to reduction voltage circuit, to make described the second electronic equipment will send described the first electronic equipment to through described voltage conversion circuit supply power voltage after treatment.
Step 404: according to described handover success signal, transmit charging voltage by voltage conversion circuit to described the first electronic equipment.
Concrete, described according to described handover success signal, transmitting charging voltage by voltage conversion circuit to described the first electronic equipment, can be according to described handover success signal, transmits described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
In the present embodiment, the charging method of described electronic equipment is after the first electronic equipment and the second electronic equipment connect, and the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described method is after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
In the disclosed embodiment of the invention described above, describe method in detail, can adopt the device of various ways to realize for method of the present invention, therefore the invention also discloses a kind of device, provide specific embodiment below and be elaborated.
Embodiment tri-
Fig. 5 is the charging device structural representation of the disclosed electronic equipment of the embodiment of the present invention, and this application of installation is in the first electronic equipment, shown in Figure 5, and the charging device 50 of described electronic equipment can comprise:
First module 501 that connects, for connecting described the first electronic equipment by multimedia interface and the second electronic equipment.
In a schematic example, the described first concrete structure that connects module 501 can be referring to Fig. 6, and Fig. 6 is the connect structural representation of module of the embodiment of the present invention disclosed first, and as shown in Figure 6, described first module 501 that connects can comprise:
First detection module 601, for detection of whether there being the second electronic equipment.
Voltage provides module 602, in the testing result of described first detection module when being, for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal.
In the time that first detection module 601 detects existence the second electronic equipment, the supply power voltage of the not enough 5V of self can be risen to 5V by a booster circuit, and send the 5V voltage after boosting to Multimedia Work module in described the second electronic equipment, to activate the original Multimedia Work module in resting state in described the second electronic equipment.The Multimedia Work module of this second electronic equipment is for realizing from the first electronic equipment receiver, video and voice data.
The first connexon module 603, after activating in described Multimedia Work module, connects with described the second electronic equipment.
Multimedia Work module in described the second electronic equipment just can be worked after activating normally, realizes the data transmission of the first electronic equipment and the second electric room.
First signal receiver module 502, the charging index signal sending after starting resistor conversion circuit for receiving described the second electronic equipment.
After described the first electronic equipment connects by multimedia interface and described the second electronic equipment, described the second electronic equipment meeting starting resistor change-over circuit, this voltage conversion circuit is used for the supply power voltage of described the second electronic equipment self, be generally 220V alternating current, be converted to the supply power voltage that its Multimedia Work module can be used, i.e. direct current 5V.Start after described voltage conversion circuit at described the second electronic equipment, the Multimedia Work module that the 5V voltage after conversion is supplied with described the second electronic equipment by described voltage conversion circuit is used.At this moment, the multi-media module of described the second electronic equipment no longer needs described the first electronic equipment to provide supply power voltage for it.
Circuit handover module 503, for according to described charging index signal, switches to second circuit by the connecting circuit that connects the second electronic equipment by the first circuit, and returns to handover success signal to described the second electronic equipment.
Wherein, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
Described the first electronic equipment is receiving after the charging index signal of described the second equipment transmission, know that the voltage conversion circuit of described the second power supply unit starts working, therefore can will be connected with described the second electronic equipment, the booster circuit that offers the Multimedia Work module of described the second electronic equipment for self supply power voltage is boosted to after 5V switches to a reduction voltage circuit, accordingly, the supply power voltage that described reduction voltage circuit can use into described the first electronic equipment for the 5V voltage step-down after the voltage conversion circuit of described the second electronic equipment is changed.
Voltage receiver module 504, for receiving described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
In a schematic example, the concrete structure of described voltage receiver module 504 can be referring to Fig. 7, and Fig. 7 is the disclosed voltage receiver module of embodiment of the present invention structural representation, and as shown in Figure 7, described voltage receiver module 504 can comprise:
Step-down processing module 701, for by described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the voltage transmitting by voltage conversion circuit carries out step-down processing.
Voltage receives submodule 702, for receiving the described voltage through step-down processing storage.
In the present embodiment, the charging device of described electronic equipment is after the first electronic equipment and the second electronic equipment connect, and the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described device is after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
Embodiment tetra-
Fig. 8 is the charging device structural representation of disclosed another electronic equipment of the embodiment of the present invention, and this application of installation is in the second electronic equipment, shown in Figure 8, and the charging device 80 of described electronic equipment can comprise:
Second module 801 that connects, for connecting logical described the second electronic equipment multimedia interface and the first electronic equipment.
In a schematic example, described second module 801 that connects can comprise: the second detection module, for detection of whether there being the first electronic equipment; Activation signal receiver module, in the testing result of described the second detection module when being, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits; The second connexon module, after activating in described Multimedia Work module, connects with described the first electronic equipment.
Circuit start module 802, for starting resistor change-over circuit, and sends charging index signal to described the first electronic equipment.
Wherein, described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described multi-media module can use.
Secondary signal receiver module 803, the handover success signal returning for receiving described the first electronic equipment;
Wherein, described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit.Described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
Voltage delivery module 804, for according to described handover success signal, transmits charging voltage by voltage conversion circuit to described the first electronic equipment.
Described voltage delivery module 804 specifically can be for: according to described handover success signal, transmit described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
In the present embodiment, the charging device of described electronic equipment is after the first electronic equipment and the second electronic equipment connect, and the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described device is after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
Further, the embodiment of the invention also discloses a kind of charging system of electronic equipment, the charging system of described electronic equipment comprises first device and the second device, and wherein, described first device is the charging device of embodiment tri-disclosed electronic equipments; The charging device that described the second device is embodiment tetra-disclosed electronic equipments.
The charging system of the disclosed electronic equipment of the embodiment of the present invention equally can be after the first electronic equipment and the second electronic equipment connect, the second electronic equipment can start change-over circuit, and the supply power voltage of self is converted to the supply power voltage that its Multimedia Work module needs; The first electronic equipment can switch the circuit with difference in functionality, the supply power voltage transmitting to receive described the second electronic equipment.Described system is after described the first electronic equipment is connected with the second electronic equipment, can be by the switching between startup and the different circuit of control circuit, realizing the second electronic equipment is described the first electronic equipment charging, thereby effectively ensure the complete transmission of Audio and Video data, and can be handheld device deposit electric weight.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
Also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (18)
1. a charging method for electronic equipment, is applied to the first electronic equipment, it is characterized in that, comprising:
Described the first electronic equipment connects by multimedia interface and the second electronic equipment;
Receive the charging index signal that described the second electronic equipment sends after starting resistor change-over circuit;
According to described charging index signal, the connecting circuit that connects the second electronic equipment is switched to second circuit by the first circuit, and return to handover success signal to described the second electronic equipment;
Receive described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
2. method according to claim 1, is characterized in that, described the first electronic equipment connects by multimedia interface and the second electronic equipment, comprising:
The first electronic equipment detects whether there is the second electronic equipment;
If so, for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal;
After described Multimedia Work module activates, described the first electronic equipment and described the second electronic equipment connect.
3. method according to claim 1, is characterized in that, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
4. method according to claim 3, is characterized in that, described the second electronic equipment of described reception is according to described handover success signal, and the charging voltage transmitting by described voltage conversion circuit, comprising:
By described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the supply power voltage transmitting by voltage conversion circuit carries out step-down processing;
Receive the described supply power voltage through step-down processing storage.
5. method according to claim 1, is characterized in that, described the first circuit is connected side by side with described second circuit, and described the first circuit is connected with No. 18 pins of described multimedia interface respectively with described second circuit.
6. a charging method for electronic equipment, is applied to the second electronic equipment, it is characterized in that, comprising:
Described the second electronic equipment connects by multimedia interface and the first electronic equipment;
Starting resistor change-over circuit, and send charging index signal to described the first electronic equipment;
Receive the handover success signal that described the first electronic equipment returns; Described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit;
According to described handover success signal, transmit charging voltage by voltage conversion circuit to described the first electronic equipment.
7. method according to claim 6, is characterized in that, described the second electronic equipment connects by multimedia interface and the first electronic equipment, comprising:
The second electronic equipment detects whether there is the first electronic equipment;
If so, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits;
After described Multimedia Work module activates, described the second electronic equipment and described the first electronic equipment connect.
8. method according to claim 6, is characterized in that, described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described Multimedia Work module can be used.
9. method according to claim 8, is characterized in that, described according to described handover success signal, transmits charging voltage by voltage conversion circuit to described the first electronic equipment, comprising:
According to described handover success signal, transmit described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
10. a charging device for electronic equipment, is applied to the first electronic equipment, it is characterized in that, comprising:
First module that connects, for connecting described the first electronic equipment by multimedia interface and the second electronic equipment;
First signal receiver module, the charging index signal sending after starting resistor conversion circuit for receiving described the second electronic equipment;
Circuit handover module, for according to described charging index signal, switches to second circuit by the connecting circuit that connects the second electronic equipment by the first circuit, and returns to handover success signal to described the second electronic equipment;
Voltage receiver module, for receiving described the second electronic equipment according to described handover success signal, the charging voltage transmitting by described voltage conversion circuit.
11. devices according to claim 10, is characterized in that, described first module that connects, comprising:
First detection module, for detection of whether there being the second electronic equipment;
Voltage provides module, in the testing result of described first detection module when being, for the Multimedia Work module of described the second electronic equipment provides a voltage-activated signal;
The first connexon module, after activating in described Multimedia Work module, connects with described the second electronic equipment.
12. devices according to claim 10, is characterized in that, described the first circuit is booster circuit; Described second circuit is reduction voltage circuit.
13. devices according to claim 12, is characterized in that, described voltage receiver module, comprising:
Step-down processing module, for by described reduction voltage circuit to described the second electronic equipment according to described handover success signal, the voltage transmitting by voltage conversion circuit carries out step-down processing;
Voltage receives submodule, for receiving the described voltage through step-down processing storage.
The charging device of 14. 1 kinds of electronic equipments, is applied to the second electronic equipment, it is characterized in that, comprising:
Second module that connects, for connecting logical described the second electronic equipment multimedia interface and the first electronic equipment;
Circuit start module, for starting resistor change-over circuit, and sends charging index signal to described the first electronic equipment;
Secondary signal receiver module, the handover success signal returning for receiving described the first electronic equipment; Described handover success signal be described the first electronic equipment according to described charging index signal, the connecting circuit that connects described the second electronic equipment is switched to and is sent after second circuit by the first circuit;
Voltage delivery module, for according to described handover success signal, transmits charging voltage by voltage conversion circuit to described the first electronic equipment.
15. devices according to claim 14, is characterized in that, described second module that connects, comprising:
The second detection module, for detection of whether there being the first electronic equipment;
Activation signal receiver module, in the testing result of described the second detection module when being, Multimedia Work module receives the voltage-activated signal that described the first electronic equipment transmits;
The second connexon module, after activating in described Multimedia Work module, connects with described the first electronic equipment.
16. devices according to claim 14, is characterized in that, described voltage conversion circuit is for being converted to by the supply power voltage of described the second electronic equipment the first supply power voltage that described multi-media module can use.
17. devices according to claim 16, is characterized in that, described voltage delivery module specifically for: according to described handover success signal, transmit described the first supply power voltage by voltage conversion circuit to described the first electronic equipment.
The charging system of 18. 1 kinds of electronic equipments, is characterized in that, comprises first device and the second device;
Described first device is the charging device of the electronic equipment described in claim 10-13 any one;
The charging device that described the second device is the electronic equipment described in claim 14-17 any one.
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| CN201310009986.4A CN103928947B (en) | 2013-01-10 | 2013-01-10 | The charging method of electronic equipment, Apparatus and system |
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