CN201435616Y - Auxiliary power supply device - Google Patents
Auxiliary power supply device Download PDFInfo
- Publication number
- CN201435616Y CN201435616Y CN2009201049217U CN200920104921U CN201435616Y CN 201435616 Y CN201435616 Y CN 201435616Y CN 2009201049217 U CN2009201049217 U CN 2009201049217U CN 200920104921 U CN200920104921 U CN 200920104921U CN 201435616 Y CN201435616 Y CN 201435616Y
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- power supply
- auxiliary power
- interface
- digital equipment
- usb bus
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Abstract
The utility model discloses an auxiliary power supply device used for supplying power for digital equipment using a USB bus to supply power. The power supply device comprises a first interface connected with a USB bus power source, a second interface connected with the power source of the digital equipment, and a closed loop formed by a capacitor and a first relay switch, wherein the closed loop is parallelly connected with the circuit of the USB bus power to supply power for the digital equipment; the first relay switch is a normally open relay close-type relay switch, is triggered to close when the first interface is connected with the interface with USB power source, and is open when the digital equipment is started. The auxiliary power supply device with convenient use can supply powerfor digital equipment through parallelly connected circuits, and solves the problem that when the digital equipment is started, power supplied by the USB bus is insufficient.
Description
Technical field
The utility model relates to a kind of auxiliary power supply, relates in particular to a kind of device that carries out auxiliary power supply by capacitor.
Background technology
Under the prior art, it all is by usb bus power supply carrying out work, for example portable hard drive, digital partner, multimedia player or the like that many small-sized digital equipments are arranged.
Devices such as different desktop computers, notebook, its bus-powered ability is uneven, from 500mA to 1A, do not wait, the electric current that portable hard drive, digital partner or multimedia player need at 700mA between the 1A.This just causes these small-sized digital equipments energy usefulness on the device that has, and what have can not use, and can't predict in advance, uses to the user and brings very big inconvenience.
The portable hard drive of use USB power supply, digital partner, multimedia player are with the computer communication time, if it is unstable to run into the usb bus power supply, can cause hard disk drive to throw switch, and then initiation loss of data, partition table and leader record damage cause can't reading of data etc. problem, for the user brings immeasurable loss.
The small-sized digital equipment that uses the usb bus power supply under the prior art generally can connect the auxiliary power supply line or the power supply adaptor of alternating current for this small-sized digital equipment configuration in order to overcome the problem of electricity shortage.
But a lot of small-sized digital equipments, for example portable hard drive does not have the auxiliary power supply interface.Even have this interface, also may run into computer and not have unnecessary USB interface, perhaps auxiliary power supply end line cable curtailment still can't be implemented auxiliary power supply, the situation that portable hard drive, digital partner or the multimedia player that uses usb bus to power can't normally use.
The utility model content
The purpose of this utility model is to provide a kind of auxiliary power supply, is used for powering to it when digital equipment starts, to remedy the defective of usb bus electricity shortage to the digital equipment that uses the usb bus power supply.
The technical solution of the utility model is as follows:
A kind of auxiliary power supply, be used for to the digital equipment power supply of using the usb bus power supply, it comprises and has first interface that the usb bus power supply is connected, and second interface that is connected with the power supply of digital equipment, wherein, also comprise the closed-loop path of being made up of the capacitor and first delay switch, described closed-loop path is described digital equipment power supply after with the described circuit parallel connection that has a usb bus power supply.
Described auxiliary power supply, wherein, described first delay switch is a Chang Kaiyan closed form delay switch, is subjected to described first interface and triggers closure with the connection of the interface of band USB power supply, starts the back at described digital equipment and disconnects.
Described auxiliary power supply, wherein, be 5 seconds the start-up time of described digital equipment.
Described auxiliary power supply, wherein, the power supply of described band usb bus is independent to be provided with the second unidirectional conduction module on the circuit of described digital equipment power supply, prevent the power source charges of described capacitor to described band usb bus.
Described auxiliary power supply, wherein, described capacitor is a battery.
Described auxiliary power supply wherein, also comprises the first unidirectional conduction module on the described closed-loop path, be used to prevent that the power supply of described band usb bus from being described battery charge.
Described auxiliary power supply, wherein, the described first unidirectional conduction module and the second unidirectional conduction module are the circuit or the diode of unidirectional conducting.
Described auxiliary power supply, wherein, described battery is that voltage is the dry cell batteries of 5V.
Described auxiliary power supply, wherein, described capacitor is an electric capacity.
Described auxiliary power supply, wherein, the circuit after the described parallel connection is provided with second delay switch.
Described auxiliary power supply, wherein, described second delay switch is the normally closed open form delay switch that prolongs, it is subjected to described first interface and disconnects with the triggering of the power supply connection of band usb bus.
Described auxiliary power supply, wherein, after described electric capacity charging is finished, the described second delay switch closure.
Described auxiliary power supply wherein, is provided with data wire between described first interface and second interface.
Described auxiliary power supply, wherein, described first interface and second interface are USB standard interface, IEEE1394 interface, sata interface or esata interface.
Described auxiliary power supply, wherein, described closed-loop path is arranged on described digital equipment inside.
Described auxiliary power supply, wherein, described digital equipment is hard disk, digital partner, multimedia player.
Compared with prior art, the auxiliary power supply that the utility model provides, by the closed-loop path in parallel with usb bus is set, improve the size of current on the usb bus, by the circuit after the parallel connection is the digital equipment power supply, solved the problem of usb bus electricity shortage when digital equipment starts, and the auxiliary power supply that the utility model provides is easy to use.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model auxiliary power supply;
Fig. 2 is the circuit diagram of first embodiment of the utility model auxiliary power supply;
Fig. 3 is the structural representation of second embodiment of the utility model auxiliary power supply;
Fig. 4 is the circuit diagram of second embodiment of the utility model auxiliary power supply;
Fig. 5 is the structural representation of the 3rd embodiment of the utility model auxiliary power supply;
Fig. 6 is the circuit diagram of the 3rd embodiment of the utility model auxiliary power supply.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
The auxiliary power supply 100 that the utility model provides, its first usb 1 10 are used for connecting with the USB interface in charged source, obtain electric current from the usb bus of power supply; Second USB interface is used for connecting with the USB interface of the digital equipment that needs auxiliary power supply, and the electric current of need of work is provided to described digital equipment.The interface of described digital equipment and the interface of power supply comprise the IEEE1394 interface, sata interface, esata interface etc., and its concrete form does not add restriction.
Described auxiliary power supply 100 also comprises the auxiliary power supply module with the usb bus parallel connection at the described first USB interface place, and the closed-loop path that described auxiliary power supply module is made up of battery 130, first time delay module 140 and the first unidirectional conduction module 150 constitutes.The circuit theory diagrams of described auxiliary power supply 100 as shown in Figure 2, the auxiliary power supply loop parallel connection that power supply that described first usb 1 10 connects and battery are formed, two kinds of power source voltage are identical, power to digital equipment simultaneously, improve to supply with the electric current of digital equipment, remedy usb bus to the digital equipment stream defect of insufficient of powering.If the voltage of usb bus power supply is 5V, then battery 130 can be the dry cell batteries of a 5V.
Voltage reduced after described battery 130 used a period of time, and the magnitude of voltage after reducing may be lower than the supply voltage of the usb bus on the parallel circuits.The described first unidirectional conduction module 150 that auxiliary power supply module described in the utility model is provided with in the closed-loop path is used to prevent that the power supply of described usb bus from giving battery 130 chargings, thereby makes described battery 130 destroyed.
Digital equipment in the utility model comprises portable hard drive, digital partner, multimedia player etc., and the electric current that these digital equipments generally need when starting is bigger, may be higher than the electric current that the generic USB bus can provide in the immediate current value that starts; And startup finish enter normal operating conditions after, the electric current that needs will descend, this current value generally is positioned at the current range that the generic USB bus can provide.Be T1 second the start-up time of general digital equipment, and the preferred value of T1 can be 5 seconds.Therefore, first delay switch 140 that is provided with in the described auxiliary power supply module that the utility model provides, be subjected to described first interface and trigger closure with the connection of the interface of band USB power supply, begin to power T1 after second at described battery 130,140 automatic disconnections of described first delay switch are no longer powered the closed-loop path of auxiliary power supply to number.When satisfying the digital equipment operate as normal, can prolong the useful life of battery 130 like this.
The auxiliary power supply 200 that the utility model provides as shown in Figure 3, comprises two USB interface, and first usb 1 10 is used for connecting with the USB interface in charged source, obtains electric current from the usb bus of power supply; Second USB interface is used for connecting with the USB interface of the digital equipment that needs auxiliary power supply, provides electric current to described digital equipment.Described auxiliary power supply 200 also comprises the auxiliary power supply module with the usb bus parallel connection at the described first USB interface place, and the closed-loop path that described auxiliary power supply module is made up of battery 130, first time delay module 140 and the first unidirectional conduction module 150 constitutes.The usb bus of described first usb 1 10 is independent to be provided with the second unidirectional conduction module 160 on the circuit of described second USB interface power supply.
The circuit theory diagrams of described auxiliary power supply 200 as shown in Figure 4, the auxiliary power supply loop parallel connection that power supply that described first usb 1 10 connects and battery 130 are formed, two kinds of power source voltage are identical, power to digital equipment simultaneously, improve to supply with the electric current of digital equipment, remedy usb bus to the digital equipment stream defect of insufficient of powering.If the voltage of usb bus power supply is 5V, then battery 130 can be the dry cell batteries of 5V.
Voltage reduced after described battery 130 used a period of time, magnitude of voltage after reducing may be lower than the supply voltage of the usb bus on the parallel circuits, auxiliary power supply module described in the utility model is provided with the first unidirectional conduction module 150, prevent that described usb bus power supply from giving battery 130 chargings, thereby make described battery 130 destroyed.
Digital equipment comprises portable hard drive, digital partner, multimedia player etc., and the electric current that these digital equipments generally need when starting is bigger, and this current value is higher than the electric current that usb bus can provide; And startup finish enter normal operating conditions after, the electric current that needs will descend, this current value generally is positioned at the current range that USB can provide.Be T1 second the start-up time of general digital equipment, and the preferred value of T1 can be 5 seconds.Therefore, first delay switch 140 that is provided with in the described auxiliary power supply module that the utility model provides, be subjected to described first interface and trigger closure with the connection of the interface of band USB power supply, begin to power T1 after second at described battery 130,140 automatic disconnections of described first delay switch, when satisfying the digital equipment operate as normal, can prolong the useful life of battery 130 like this.
The auxiliary power supply 200 that the utility model provides is with the difference of described auxiliary power supply 100, the second unidirectional conduction module 160 is set, as shown in Figure 4 on the described power supply circuit independently-powered with usb bus.When the described second unidirectional conduction module 160 was used to prevent that described battery 130 is higher than the voltage of usb bus, described battery 130 was to the usb bus power supply, thereby the equipment with this usb bus is crashed.
The circuit that the described first unidirectional conduction module 150 and the second unidirectional conduction module 160 can be unidirectional conductings also can be a diode.
The auxiliary power supply 300 that the utility model provides as shown in Figure 5, comprises interconnective two USB interface, and first usb 1 10 is used for connecting with the USB interface in charged source, obtains electric current from the usb bus of power supply; Second USB interface is used for connecting with the USB interface of the digital equipment that needs auxiliary power supply, carries electric current to described digital equipment.Described auxiliary power supply 100 also comprises the auxiliary power supply module with the usb bus parallel connection at the described first USB interface place, and the closed-loop path that described auxiliary power supply module is made up of the electric capacity 170 and first time delay module 140 constitutes.Second delay switch 180 is set on the circuit after the described parallel connection.
The circuit theory diagrams of described auxiliary power supply 300 as shown in Figure 6, the auxiliary power supply loop parallel connection that power supply that described first usb 1 10 connects and electric capacity are formed, two kinds of power source voltage are identical, power to digital equipment simultaneously, improve to supply with the electric current of digital equipment, remedy usb bus to the digital equipment stream defect of insufficient of powering.
Digital equipment comprises portable hard drive, digital partner, multimedia player etc., and the electric current that these digital equipments generally need when starting is bigger, and this current value is higher than the electric current that usb bus can provide; And startup finish enter normal operating conditions after, the electric current that needs will descend, this current value generally is positioned at the current range that USB can provide.
Described auxiliary power supply 300 uses the capacitance stores electric energy, environmental protection so very, and need not change battery, saved user's cost.The described auxiliary power supply 300 that comprises electric capacity, described first delay switch 140 is delay switchs of Chang Kaiyan closed form, the time of its first time-delay is T1; Described second delay switch is 180 to be normally closed delay switchs that prolong open form, and time of its second time-delay is T2; The described first delay time T1 is according to decision start-up time of digital equipment, i.e. start-up time; The described second delay time T2 charges to the time decision of digital equipment required voltage needs, i.e. charging interval according to described electric capacity 170.The working method of described auxiliary power supply 300 is specific as follows:
At first, the reset condition of described auxiliary power supply 300, i.e. its state when the power supply of not linking number decoding apparatus and band usb bus: described first delay switch 140 disconnects described second delay switch, 180 closures.
Secondly, during the power supply of described auxiliary power supply 300 linking number decoding apparatus and band usb bus, the interface connection procedure of described auxiliary power supply triggers described first delay switch, 140 closures, described second delay switch 180 disconnects, and at this moment the power supply with usb bus is described electric capacity 170 chargings.Through the charging of T2 time, the voltage of described electric capacity 170 reaches the described needed voltage of digital equipment that needs charging, to the charging process end of described electric capacity 170, described second delay switch, 140 closures.
At last, after described second delay switch, 140 closures, the charging process the startup stage of to described digital equipment begins.After passing through the charging of T1 time again, the start-up course of described digital equipment finishes, and described first delay switch 140 disconnects, and first delay switch 140 and second delay switch 180 of described auxiliary power supply 300 are returned to reset condition.
Auxiliary power supply 100,200 described in the utility model and 300 is inserted in described first usb 1 10 on the USB interface that has power supply in use, and second usb 1 20 is inserted on the described digital equipment.This moment, auxiliary power supply between described first USB interface and second USB interface, except electric power connection line, can also include data connecting line, reading or writing passage is provided for data in the digital equipment.Therefore, the auxiliary power supply that the utility model provides can only take a USB interface of power supply simultaneously for having only the digital equipment power supply of a USB interface, and is easy to use.
The auxiliary power supply that the utility model provides, the inside of all right integrated digital equipment.When auxiliary power supply is integrated in digital equipment inside, save described first usb 1 10 and second usb 1 20, the power line that connects described first USB interface is connected on the USB interface of described digital equipment, and the power line of described second USB interface is on the power line that is connected described digital equipment inside.
The auxiliary power supply that the utility model provides, be its charging automatically when digital equipment starts, be not subjected to the restriction of usb bus power supply, Alternating Current Power Supply, can be for the big power consumption equipment of 5V1A even 5V2A, as big capacity portable hard drive, have hard disc apparatus auxiliary power supply as RAID, multimedia, make these equipment carry out work, avoid because situations such as can't using of causing of electricity shortage, loss of datas by usb bus power supply.
Should be understood that above-mentioned statement at the utility model preferred embodiment is comparatively detailed, can not therefore think the restriction to the utility model scope of patent protection, scope of patent protection of the present utility model should be as the criterion with claims.
Claims (15)
1, a kind of auxiliary power supply, be used for to the digital equipment power supply of using the usb bus power supply, it comprises and has first interface that the usb bus power supply is connected, and second interface that is connected with the power supply of digital equipment, it is characterized in that, also comprise the closed-loop path of being made up of the capacitor and first delay switch, described closed-loop path is described digital equipment power supply after with the described circuit parallel connection that has a usb bus power supply.
According to the described auxiliary power supply of claim 1, it is characterized in that 2, described first delay switch is a Chang Kaiyan closed form delay switch, be subjected to described first interface and trigger closure, start the back at described digital equipment and disconnect with the connection of the interface of band USB power supply.
According to the described auxiliary power supply of claim 2, it is characterized in that 3, the power supply of described band usb bus is independent to be provided with the second unidirectional conduction module on the circuit of described digital equipment power supply, prevent the power source charges of described capacitor to described band usb bus.
According to the described auxiliary power supply of claim 3, it is characterized in that 4, described capacitor is a battery.
5, according to the described auxiliary power supply of claim 4, it is characterized in that, also comprise the first unidirectional conduction module on the described closed-loop path, be used to prevent that the power supply of described band usb bus from being described battery charge.
According to the described auxiliary power supply of claim 5, it is characterized in that 6, the described first unidirectional conduction module and the second unidirectional conduction module are the circuit or the diode of unidirectional conducting.
According to the described auxiliary power supply of claim 6, it is characterized in that 7, described battery is that voltage is the dry cell batteries of 5V.
According to the described auxiliary power supply of claim 3, it is characterized in that 8, described capacitor is an electric capacity.
9, described according to Claim 8 auxiliary power supply is characterized in that, the circuit after the described parallel connection is provided with second delay switch.
According to the described auxiliary power supply of claim 9, it is characterized in that 10, described second delay switch is the normally closed open form delay switch that prolongs, it is subjected to described first interface and disconnects with the triggering of the power supply connection of band usb bus.
11, according to the described auxiliary power supply of claim 10, it is characterized in that, after described electric capacity charging is finished, the described second delay switch closure.
12, according to the described auxiliary power supply of claim 1, it is characterized in that, be provided with data wire between described first interface and second interface.
According to the described auxiliary power supply of claim 1, it is characterized in that 13, described first interface and second interface are USB standard interface, IEEE1394 interface, sata interface or esata interface.
According to the described auxiliary power supply of claim 1, it is characterized in that 14, described closed-loop path is arranged on described digital equipment inside.
According to the described auxiliary power supply of claim 1, it is characterized in that 15, described digital equipment is hard disk, digital partner, multimedia player.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201049217U CN201435616Y (en) | 2009-01-08 | 2009-01-08 | Auxiliary power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201049217U CN201435616Y (en) | 2009-01-08 | 2009-01-08 | Auxiliary power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435616Y true CN201435616Y (en) | 2010-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201049217U Expired - Fee Related CN201435616Y (en) | 2009-01-08 | 2009-01-08 | Auxiliary power supply device |
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| Country | Link |
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| CN (1) | CN201435616Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777789A (en) * | 2009-01-08 | 2010-07-14 | 北京华旗资讯数码科技有限公司 | Auxiliary power supply device |
-
2009
- 2009-01-08 CN CN2009201049217U patent/CN201435616Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777789A (en) * | 2009-01-08 | 2010-07-14 | 北京华旗资讯数码科技有限公司 | Auxiliary power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AIGO DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING HUAQI INFORMATION + DIGITAL TECHNOLOGY CO., LTD. Effective date: 20110706 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110706 Address after: 100080 Beijing, North Fourth Ring Road West, No. 58, International Building, ideal level 11, Patentee after: Aigo Digital Technology Co., Ltd. Address before: 100080 Beijing, North Fourth Ring Road West, No. 58, International Building, ideal level 11, Patentee before: Beijing Huaqi Information & Digital Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20140108 |