CN205212094U - Power distributor - Google Patents
Power distributor Download PDFInfo
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- CN205212094U CN205212094U CN201521064535.1U CN201521064535U CN205212094U CN 205212094 U CN205212094 U CN 205212094U CN 201521064535 U CN201521064535 U CN 201521064535U CN 205212094 U CN205212094 U CN 205212094U
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- usb interface
- power distributor
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- charger
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Abstract
The utility model provides a power distributor that embeds to have and can be 100V -240V ac inversion + 5V direct current and the most digital product in compatible market. Plug the USB interface that is equipped with at least one 5V direct current output side by side this row, this USB interface meets with the AD converting circuit who sets up in the casing, and this AD converting circuit includes at least one AD conversion chip. The utility model discloses set up the power module including intelligent recognition IC and USB interface who has discernment charger type in the power distributor of general type for it is applicable to numerous scientific and technological communication products, convenience of customers greatly. Parts such as wherein USB interface, IC chip adopt scientific and reasonable's overall arrangement, make wherein power module at during operation safe and reliable, job stabilization. It can make the consumer use arrange safety when inserting, set one's mind at rest, worry charger and digital product's matching nature, and the consumer that has significantly reduced purchases the quantity of charger, has practiced thrift cost and space.
Description
Technical field
The utility model relates to a kind of socket, particularly a kind of socket with the charging of Intelligent Recognition mobile phone, panel computer and USB digital product.
Background technology
At home or work unit all can use socket, and socket major part of the prior art is civil power output interface, and therefore, its using function is single.
Some functional socket in recent years emerges, as the socket with USB output interface, or with giving the socket of other electrical equipment charge function.But it is all without the recognition function of band Intelligent Recognition charger type.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of being built-in with can be converted to+5V direct current by 100V-240V alternating current and the power distributor of the most digital product in compatible market.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
Power distributor of the present utility model, comprise housing, exchange incoming end and exchange output interface, this socket is also provided with USB interface that at least one 5V direct current exports side by side, this USB interface connects with the A/D change-over circuit be arranged in housing, and this A/D change-over circuit comprises at least one A/D conversion chip.
It is provided with side by side the USB interface described in three.
Described A/D change-over circuit comprises two A/D conversion chips, wherein, " 1 " pin of first A/D conversion chip and " 6 " pin are connected to " D-" end and " D+ " end of first USB interface respectively, its " 3 " pin and " 4 " pin are connected to " D-" end and " D+ " end of second USB interface respectively, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R22, its " 2 " pin is connected to the negative voltage side of USB interface, is connected to the first filter capacitor between its " 5 " pin and " 2 " pin; " 1 " pin of second A/D conversion chip and " 6 " pin are connected to " D-" end and " D+ " end of the 3rd USB interface respectively, its " 3 " pin is unsettled with " 4 " pin, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R21, its " 2 " pin is connected to the negative voltage side of USB interface, is connected to the second filter capacitor between its " 5 " pin and " 2 " pin.
Described A/D conversion chip is the Intelligent Recognition IC identifying charger type, and its model is the chip of UC2633, UC2634.
Install at housing on the just back of the body two of the pcb board of USB interface, being also provided with can insulate described USB interface and other circuit block isolates and can prevent the power supply primary and secondary division board of electromagnetic interference, and this division board is made by high temperature resistant high flame retardant PC material.
Compared with prior art, the utility model arranges the power module comprising Intelligent Recognition IC and USB interface having and identify charger type in universal power distributor, electric power plug socket of the present utility model is made to be applicable to the use of nowadays numerous scientific and technological communication product, greatly facilitate user, simultaneously, the utility model adopts scientific and reasonable layout to wherein installed all parts (as USB interface, IC chip etc.), makes operationally safe and reliable, the working stability of power module wherein.Power distributor of the present utility model can make the matching that consumer is safe, relieved when using socket, do not worry charger and digital product, greatly reduces the quantity that consumer buys charger, has saved cost and space
Accompanying drawing explanation
Fig. 1 is power distributor schematic diagram of the present utility model.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is circuit theory diagrams of the present utility model.
Reference numeral:
Power distributor 1, housing 2, interchange incoming end 3, interchange output interface 4, USB interface 5, power supply primary and secondary division board 6, circuit board 7.
Embodiment
As shown in Figure 1, 2, power distributor of the present utility model is the improvement carried out on the basis of common power socket, and it comprises housing, the interchange incoming end of socket and exchanges output interface.
The utility model is the USB interface (the utility model is preferably three USB interface) being set up in parallel the output of multiple 5V direct current on this power distributor, each USB interface all connects with the A/D change-over circuit be arranged in housing, and this A/D change-over circuit comprises two A/D conversion chips.
As shown in Figure 3, described A/D change-over circuit comprises two A/D conversion chips, wherein, " 1 " pin of first A/D conversion chip U3 and " 6 " pin are connected to " D-" end and " D+ " end of first USB interface USB1 respectively, its " 3 " pin and " 4 " pin are connected to " D-" end and " D+ " end of second USB interface USB2 respectively, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R22, its " 2 " pin is connected to the negative voltage side of USB interface, is connected to the first filter capacitor between its " 5 " pin and " 2 " pin; " 1 " pin of second A/D conversion chip U4 and " 6 " pin are connected to " D-" end and " D+ " end of the 3rd USB interface USB3 respectively, its " 3 " pin is unsettled with " 4 " pin, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R21, its " 2 " pin is connected to the negative voltage side of USB interface, is connected to the second filter capacitor between its " 5 " pin and " 2 " pin.
Described A/D conversion chip is the Intelligent Recognition IC identifying charger type, and its model is the chip of UC2633, UC2634.
In addition, circuit of the present invention also adopts inverse-excitation type synchronous rectifying technology, and it greatly can improve the efficiency of DC/DC converter and there is not the dead zone voltage caused by Schottky barrier voltage.
As shown in Figure 3, described inverse-excitation type synchronous rectifying circuit comprises primary switch pipe Q1, primary pulse modulation chip U1, transformer T1A, secondary switch pipe Q2 and synchronous rectification chip U2, wherein, the drain electrode of primary switch pipe Q1 is connected to the Same Name of Ends of transformer T1A primary coil, its source electrode is by the tenth resistance R10 ground connection, and its grid is connected to primary pulse modulation chip U1 by the 8th resistance R8; The drain electrode of secondary switch pipe Q2 is connected to the different name end of secondary coil, and its source electrode is connected to USB negative voltage output, and its grid is connected to described synchronous rectification chip U2 by the 18 resistance R18; The Same Name of Ends of described transformer T1A secondary coil is connected to USB positive voltage output end, and the different name end of its primary coil connects ac input end by the first inductance L 1 and bridge heap DB1.
Synchronous rectification chip U2 adopts model to be the chip of IW671, and described primary pulse modulation chip U1 adopts model to be the chip of IW1699.
1. operation principle:
When elementary switching tube Q1 conducting, the energy storage of transformer T1A armature winding, transformer T1A secondary winding " 6 " pin is relative is forward voltage with " 7 " pin, secondary switch pipe Q2 is in closed condition, after when elementary switching tube Q1 closes, transformer T1A secondary winding " 6 " pin is relative is negative voltage with " 7 " pin, when the some position of transformer T1A secondary winding " 6 " pin reaches-15mV time, synchronous rectification chip U2 drives secondary switch pipe Q2 to open, transformer T1 releases energy, release current linearly declines state, secondary switch pipe Q2 opens after-current and flows through secondary switch pipe Q2 formation pressure drop, because secondary switch pipe Q2 electric current is reverse circulated, so pressure drop on secondary switch pipe Q2 also linearly propradation, after transformer T1A fault offset is complete, secondary switch pipe Q2 tube voltage drop is zero, discharge completely to allow transformer T1A energy, when the some position of transformer T1A secondary winding " 6 " pin reaches 15mV time, synchronous rectification chip U2 turns off secondary switch pipe Q2 and drives, secondary switch pipe Q2 closes, thus realize synchronous rectification state.
2. advantage:
Secondary switch pipe Q2 adopts the cruel metal-oxide-semiconductor of Infineon, and the rectifying device of common charger is Schottky, and usually, the open resistance of metal-oxide-semiconductor is smaller, and the secondary switch pipe Q2 conduction impedance that the present invention selects is 12m Ω.
When to flow through secondary switch pipe Q2 be same current 2.5A, MOS loss P=I
2r=0.075W; Normal Schottky pressure drop is 0.5V, loss P=UI=0.5 × 2.5=1.25W, so synchronous rectification circuit greatly reduces the loss exporting rectifying tube, also reduce the electric current flowing through primary switch pipe Q1 and transformer T1A, thus the caloric value of primary switch pipe Q1 and transformer T1A also reduces, charger internal bulk temperature also and then reduces.Install at housing on the just back of the body two of the pcb board of USB interface, being also provided with can insulate described USB interface and other circuit block isolates and can prevent the power supply primary and secondary division board of electromagnetic interference, and this division board is made by high temperature resistant high flame retardant PC material.
Power distributor of the present utility model is that band Intelligent Recognition can the socket of automatic charging, primarily of power module and the socket composition meeting national safety standard, 100-240Vac is converted into+5Vdc by power module built-in in socket, and by Intelligent Recognition automatic charging chip, perfect compatible various brands mobile phone and panel computer, can be most digital product on the market to carry out 5V and fill soon, and can be 3 number of units code product chargings simultaneously, enjoy with the same charging current of original-pack charger and experience, each jack of socket part all can adapt to the flat hole of GB three, the flat hole of GB two, all sleeves select high-quality copper material, sophisticated technologies, conduction is good, caloric value is few, in order to satisfied country is to some regulations of power supply associated safety distance, socket structure has done advanced insulation quarantine measures.
Claims (5)
1. a power distributor, comprise housing, exchange incoming end and exchange output interface, it is characterized in that: in this socket, be also provided with the USB interface that at least one 5V direct current exports side by side, this USB interface connects with the A/D change-over circuit be arranged in housing, and this A/D change-over circuit comprises at least one A/D conversion chip.
2. power distributor according to claim 1, is characterized in that: it is provided with side by side the USB interface described in three.
3. power distributor according to claim 2, it is characterized in that: described A/D change-over circuit comprises two A/D conversion chips, wherein, " 1 " pin of first A/D conversion chip and " 6 " pin are connected to " D-" end and " D+ " end of first USB interface respectively, its " 3 " pin and " 4 " pin are connected to " D-" end and " D+ " end of second USB interface respectively, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R22, its " 2 " pin is connected to the negative voltage side of USB interface, be connected to the first filter capacitor between its " 5 " pin and " 2 " pin, " 1 " pin of second A/D conversion chip and " 6 " pin are connected to " D-" end and " D+ " end of the 3rd USB interface respectively, its " 3 " pin is unsettled with " 4 " pin, its " 5 " pin is connected to the positive voltage terminal of USB interface by shunt resistance R21, its " 2 " pin is connected to the negative voltage side of USB interface, is connected to the second filter capacitor between its " 5 " pin and " 2 " pin.
4. power distributor according to claim 3, is characterized in that: described A/D conversion chip is the Intelligent Recognition IC identifying charger type, and its model is the chip of UC2633, UC2634.
5. power distributor according to claim 3, it is characterized in that: install on the just back of the body two of the pcb board of USB interface at housing, also being provided with can insulate described USB interface and other circuit block isolates and can prevent the power supply primary and secondary division board of electromagnetic interference, and this division board is made by high temperature resistant high flame retardant PC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064535.1U CN205212094U (en) | 2015-12-17 | 2015-12-17 | Power distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064535.1U CN205212094U (en) | 2015-12-17 | 2015-12-17 | Power distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205212094U true CN205212094U (en) | 2016-05-04 |
Family
ID=55849790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521064535.1U Active CN205212094U (en) | 2015-12-17 | 2015-12-17 | Power distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205212094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219627A1 (en) * | 2016-06-22 | 2017-12-28 | 广东百事泰电子商务股份有限公司 | Elastic member exhibiting good contact performance for intelligent plug board |
-
2015
- 2015-12-17 CN CN201521064535.1U patent/CN205212094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219627A1 (en) * | 2016-06-22 | 2017-12-28 | 广东百事泰电子商务股份有限公司 | Elastic member exhibiting good contact performance for intelligent plug board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong city of Dongguan province Tangxia Zhenlong town B Jiao Tong Road No. 6 building A Patentee after: Austrian sea Polytron Technologies Inc, Dongguan Address before: 523000 Guangdong city of Dongguan province Tangxia Zhenlong town B Jiao Tong Road No. 6 building A Patentee before: Dongguan City Ao Hai Power Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |