CN205429842U - Socket with USB interface - Google Patents
Socket with USB interface Download PDFInfo
- Publication number
- CN205429842U CN205429842U CN201620265827.XU CN201620265827U CN205429842U CN 205429842 U CN205429842 U CN 205429842U CN 201620265827 U CN201620265827 U CN 201620265827U CN 205429842 U CN205429842 U CN 205429842U
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- module
- comparison amplifier
- socket
- usb
- usb interface
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims description 20
- 230000001012 protector Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
Abstract
The utility model relates to a socket with USB interface. It includes the dc circuit part, the dc circuit part is including USB output module and current detection module, current detection module includes comparison amplifier, and USB output module is connected to comparison amplifier's input, and charge indicator is connected to comparison amplifier's output, charging current input comparison amplifier carries out the comparison with reference current in the comparison amplifier, and output voltage gives charge indicator after the comparison amplifier comparison operation to control the bright lamp of charge indicator or turn off the light. The utility model discloses a set up current detection module on the socket, power supply electric current and output voltage that current detection module detected USB output module output give charge indicator to control the bright lamp of charge indicator or turn off the light, with the charged state that shows the USB interface, pull out electronic equipment in order to indicate the user, avoided electronic equipment's battery excessively to charge effectively, thereby prolonged the life of electronic equipment's battery.
Description
Technical field
This utility model relates to a kind of socket, the socket of a kind of band USB interface.
Background technology
nullAt present，Occur in that the USB socket with activity protection door，The float that the movable protection door of this kind of USB socket is prevented from air is trapped on the sheet metal of USB socket，Prevent metal contact piece from deforming，The metal contact chip of the moisture oxidation USB socket being simultaneously also possible to prevent in air，Effectively prevent USB socket and cause loose contact because of sheet deformation or oxidation，As China Patent No. 201220541713.5 protects socket in USB a kind of disclosed in 17 days April in 2013，Including USB socket，The activity that the is provided above protection door of USB socket，The side of described USB socket is provided with is protected its USB socket on and off switch being switched on or switched off of gate control by activity，Above-mentioned USB socket on and off switch can be when activity protection door be turned on and off，Turn on automatically or the power supply of disconnection USB socket，Thus ensure that the Electrical Safety of USB socket，Will not leave behind potential safety hazard，Described USB socket is provided with one for showing the charging indicator light of USB charged state，But the socket of existing band USB still suffers from following weak point: (one) existing USB socket is to the mobile phone of user、After the electronic equipments such as charger baby are fully charged，Charging indicator light thereon still shows Chang Liang，Cause user to take for electronic equipment and also do not have fully charged，Let alone electronic equipment and continue charging，Electronic equipment is still connected with USB interface，Waste electric energy，Thus the battery being easily caused in electronic equipment overcharges，Battery-heating is serious，It is easily damaged，Thus shorten the service life of the battery of electronic equipment.(2) due to life-time service, the mechanical transmission component within USB interface is easily damaged and causes transmission failure, and elasticity lost by such as spring, then whole USB interface can be caused to make have more than is needed, and the most existing USB socket still suffers from the illusive problem of structure.The most existing USB socket remains a need for being further improved.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, when electronic equipment is fully charged, charging indicator light can turn off the light to point out user to pull out electronic equipment, uses safety and stability, efficiently avoid the battery of electronic equipment and overcharge, extend the socket of band USB interface in service life of battery of electronic equipment.
The purpose of this utility model is achieved in that
nullA kind of socket of band USB interface，Including DC circuit part，Described DC circuit part includes rectification module、Voltage reduction module、Filtration module、Pulse width modulation controlled module、USB output module、Charging indicator light、Intelligent charge identification module、And for detecting the current detection module of the charging current of USB output module，Described rectification module、Voltage reduction module、Filtration module、USB output module is electrically connected with successively，Described pulse width modulation controlled module is connected in parallel with filtration module，Described current detection module includes comparison amplifier，The input of comparison amplifier connects USB output module，The outfan of comparison amplifier connects charging indicator light，Described charging current input comparison amplifier also compares with the reference current in comparison amplifier，After comparison amplifier comparison operation, output voltage is to charging indicator light，To control charging indicator light bright light or to turn off the light.
This utility model can also improve further below.
Being also associated with a protection module between described filtration module and USB output module, described protection module includes overload protective device, overcurrent protector, overvoltage protector.Therefore this utility model is by transshipping, cross the detection automatically such as stream, overvoltage, and the safety of protection electrical equipment reaches the application target of this product.
Described intelligent charge identification module is electrically electrically connected between protection module and USB output module.The electric current that described intelligent charge identification module can detect according to current detection module, if not having electric current, deenergization stops charging, if there being electric current, bright light.
Described filtration module includes low frequency filtering module and the High frequency filter module being connected, and the input of low frequency filtering module is connected with the outfan of rectification module, and the outfan of High frequency filter module is connected with pulse width modulation controlled module input.
The beneficial effects of the utility model are:
(1) this utility model is by arranging current detection module on socket, the supply current of current detection module detection USB output module output output voltage are to charging indicator light, thus control charging indicator light bright light or turn off the light, to show the charged state of USB interface, pull out electronic equipment with prompting user, stop charging.As when current detection module detects electronic equipment charge (having electric current) time, charging indicator light can light, and when current detection module detects electronic equipment fully charged (the very little or none electric current of electric current), charging indicator light can be turned off the light.By charging indicator light, user can see that electronic equipment is in charged state the most intuitively, be in fully charged state, and the battery that efficiently avoid electronic equipment overcharges, thus extends the service life of the battery of electronic equipment.
(2) this utility model is provided with intelligent charge identification module, when electronic equipment inserts USB interface of the present utility model charging by data wire, intelligent charge identification module has recognized electronic equipment and has accessed, USB output module will be driven to power, when intelligent charge identification module recognize electronic equipment have been detached from USB interface time, USB output module will be driven to stop power supply.And, when electronic equipment fully charged (the very little or none electric current of electric current), intelligent charge identification module also can automatic shutdown circuit, stop power supply, thus be effectively prevented the cell damage of electronic equipment.
(3) this utility model simple in construction, eliminate the protection structure such as door, thus simple in construction, firm stable, use stable safety, installing/dismounting is simple.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
nullEmbodiment one,See shown in Fig. 1 to Fig. 2，A kind of socket of band USB interface，Including alternating current circuit part (not shown) and DC circuit part 1，Described DC circuit part 1 includes rectification module 2、Voltage reduction module 3、Filtration module 10、Pulse width modulation controlled module 6、USB output module 9、Intelligent charge identification module 11、Charging indicator light 8 and for detecting the current detection module 7 of charging current of USB output module，Described rectification module 2、Voltage reduction module 3、Filtration module 10、USB output module 9 is electrically connected with successively，Described pulse width modulation controlled module 6 is connected in parallel with filtration module 10，Described current detection module 7 includes comparison amplifier 71，The input of comparison amplifier 71 connects USB output module 9，The outfan of comparison amplifier 71 connects charging indicator light 8，Described charging current input comparison amplifier 71 also compares with the reference current in comparison amplifier 71，After comparison amplifier 71 comparison operation, output voltage is to charging indicator light 8，To control charging indicator light 8 bright light or to turn off the light.
As this utility model more specifically technical scheme.
Being also associated with a protection module 12 between described pulse width modulation controlled module 6 and USB output module 9, described protection module 12 includes overload protective device, overcurrent protector, overvoltage protector.
Described intelligent charge identification module 11 is electrically connected between protection module 12 and USB output module 9.
Described filtration module 10 includes low frequency filtering module 4 and the High frequency filter module 5 being connected, and the input of low frequency filtering module 4 is connected with the outfan of rectification module 2, and the outfan of High frequency filter module 5 is connected with pulse width modulation controlled module 6 input.
Operation principle of the present utility model:
When electronic equipment inserts USB interface of the present utility model charging by data wire, intelligent charge identification module 11 has recognized load (electronic equipment) and has accessed, USB output module will be driven to power, meanwhile, current detection module detects that the charging current that USB output module exports is about 1A, and comparison amplifier meeting output voltage is to charging indicator light, so that charging indicator light bright light, reminding the user that and pull out electronic equipment, the battery of electronic equipment of stopping power supply, avoid overcharges damage.USB interface is had been detached from or when the battery of electronic equipment is fully charged when intelligent charge identification module 11 recognizes load (electronic equipment), USB output module will be driven to stop power supply, when current detection module can't detect the electric current that USB output module exports simultaneously, comparison amplifier meeting output voltage is less, and charging indicator light is closed.
Claims (4)
- null1. the socket of a band USB interface，Including DC circuit part (1)，Described DC circuit part (1) includes rectification module (2)、Voltage reduction module (3)、Filtration module (10)、Pulse width modulation controlled module (6)、USB output module (9) and charging indicator light (8)，Described rectification module (2)、Voltage reduction module (3)、Filtration module (10)、USB output module (9) is electrically connected with successively，Described pulse width modulation controlled module (6) is connected in parallel with filtration module (10)，It is characterized in that，Described DC circuit part (1) also includes the current detection module (7) of the charging current for detecting USB output module，Current detection module (7) includes comparison amplifier (71)，The input of comparison amplifier (71) connects USB output module (9)，The outfan of comparison amplifier (71) connects charging indicator light (8)，Described charging current input comparison amplifier (71) also compares with the reference current in comparison amplifier (71)，After comparison amplifier (71) comparison operation, output voltage is to charging indicator light (8)，To control charging indicator light (8) bright light or to turn off the light.
- The socket of band USB interface the most according to claim 1; it is characterized in that; being also associated with a protection module (12) between described filtration module (10) and USB output module (9), described protection module (12) includes overload protective device, overcurrent protector, overvoltage protector.
- The socket of band USB interface the most according to claim 2; it is characterized in that; also include that an intelligent charge identification module (11), described intelligent charge identification module (11) are electrically connected between protection module (12) and USB output module (9).
- The socket of band USB interface the most according to claim 1, it is characterized in that, described filtration module (10) includes low frequency filtering module (4) and the High frequency filter module (5) being connected, the input of low frequency filtering module (4) is connected with the outfan of rectification module (2), and the outfan of High frequency filter module (5) is connected with pulse width modulation controlled module (6) input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265827.XU CN205429842U (en) | 2016-04-02 | 2016-04-02 | Socket with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265827.XU CN205429842U (en) | 2016-04-02 | 2016-04-02 | Socket with USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429842U true CN205429842U (en) | 2016-08-03 |
Family
ID=56522286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620265827.XU Expired - Fee Related CN205429842U (en) | 2016-04-02 | 2016-04-02 | Socket with USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205429842U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244761A (en) * | 2018-10-19 | 2019-01-18 | 广东维锐科技股份有限公司 | A kind of intelligent charge socket |
| CN109254938A (en) * | 2018-08-31 | 2019-01-22 | 河南省云乐科技有限公司 | A kind of energy saving and environment friendly dedicated USBkey integrator of finance |
| CN109873473A (en) * | 2019-03-28 | 2019-06-11 | 维沃移动通信有限公司 | A charging circuit and mobile terminal |
| CN111146628A (en) * | 2019-12-16 | 2020-05-12 | 嵊州市法佳电器有限公司 | Intelligent wireless socket for safe use |
| CN113489116A (en) * | 2021-05-11 | 2021-10-08 | 深圳市八达晟电子有限公司 | Charging head charging indicating circuit |
-
2016
- 2016-04-02 CN CN201620265827.XU patent/CN205429842U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254938A (en) * | 2018-08-31 | 2019-01-22 | 河南省云乐科技有限公司 | A kind of energy saving and environment friendly dedicated USBkey integrator of finance |
| CN109244761A (en) * | 2018-10-19 | 2019-01-18 | 广东维锐科技股份有限公司 | A kind of intelligent charge socket |
| CN109873473A (en) * | 2019-03-28 | 2019-06-11 | 维沃移动通信有限公司 | A charging circuit and mobile terminal |
| CN111146628A (en) * | 2019-12-16 | 2020-05-12 | 嵊州市法佳电器有限公司 | Intelligent wireless socket for safe use |
| CN113489116A (en) * | 2021-05-11 | 2021-10-08 | 深圳市八达晟电子有限公司 | Charging head charging indicating circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 |