CN204497809U - A kind of USB intelligent charger - Google Patents
A kind of USB intelligent charger Download PDFInfo
- Publication number
- CN204497809U CN204497809U CN201520258964.6U CN201520258964U CN204497809U CN 204497809 U CN204497809 U CN 204497809U CN 201520258964 U CN201520258964 U CN 201520258964U CN 204497809 U CN204497809 U CN 204497809U
- Authority
- CN
- China
- Prior art keywords
- circuit
- output voltage
- output
- signal
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Telephone Function (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of USB intelligent charger, by the array be made up of multiple USB port on housing front panel, bonnet there is suspension bayonet socket, electric-controlled plate accommodating in electrical equipment cavity volume comprise sequentially connect power input, EMI circuit, lightning prevention circuit, current rectifying and wave filtering circuit, pwm circuit, secondary current rectifying and wave filtering circuit, a synchronous rectification output circuit, synchronous rectification output circuit is connected with the constant-current control circuit with multiple USB port cooperating number, and described constant-current control circuit connects a USB port respectively.Its advantage can be charged to multiple equipment, be very easy to the daily life of people, volume is little, structure is simple, and easy to use, charge efficiency is high, highly versatile, most mobile device in compatible city, as long as mobile phone/IPAD is connected with charger, gets final product Intelligent Recognition, without the need to manual adjustment.
Description
Technical field
The utility model relates to the structure conjoint of in-built electric assembly, espespecially a kind of USB intelligent charger.
Background technology
USB (Universal Serial Bus, be called for short USB) interface is one of the most general now connecting interface, has the double action providing power supply and transmission data.For various portable electronic installation, as MP3 walkman, mobile phone etc., most manufacturers can provide the characteristic of power supply by USB port, make there is USB port charger to above-mentioned charge electronic devices, therefore ubiquity has the electronic installation that charges with USB port of all kinds and charger now.In sphere of life, substantially all attach USB port data line when buying these electrical equipment, USB port data line, except data communication object, also has and is connected with the effect of charging to electrical equipment with charger.Existing charger generally only provides a USB charge port, can only charge to an equipment.AT STATION, the public arena such as hotel is when needing charge to batch portable equipment, and many independent chargers be used to charge, and the independent charger that needs are a large amount of like this, also need many supply sockets, hardware cost is high, and potential safety hazard is large.Simultaneously because large batch of electrical equipment charges, its charge data differ to, charging effect can be affected and even damage by fill device.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model is to provide a kind of USB intelligent charger.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of USB intelligent charger, have one with the housing of bonnet pivot joint, it is characterized in that: in described housing, have electrical equipment cavity volume, by the array be made up of multiple USB port on housing front panel, there is ventilating opening two side to housing, bonnet there is suspension bayonet socket, electric-controlled plate is equipped with in electrical equipment cavity volume, described electric-controlled plate comprises the power input sequentially connected, EMI circuit, lightning prevention circuit, a current rectifying and wave filtering circuit, pwm circuit, secondary current rectifying and wave filtering circuit, synchronous rectification output circuit, synchronous rectification output circuit is connected with the constant-current control circuit with multiple USB port cooperating number, described constant-current control circuit connects a USB port respectively, pwm circuit is also connected with PWM feedback control circuit, PWM feedback control circuit connects feedback circuit and thermal-shutdown circuit, synchronous rectification output circuit (voltage follower circuit) connects output voltage detecting circuit and output voltage Circuit tuning, output voltage detecting circuit is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and output voltage Circuit tuning is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning signal output port, synchronous rectification output circuit (voltage follower circuit) signal output port is connected with output voltage detecting circuit signal input port signal, output voltage detecting circuit signal output port is connected with output voltage Circuit tuning signal input port signal, output voltage Circuit tuning signal output port is connected with synchronous rectification output circuit (voltage follower circuit) signal input port signal, output voltage detecting circuit carries out detecting & monitoring to synchronous rectification output circuit in real time, and the data message of detection is sent to output voltage Circuit tuning, output voltage Circuit tuning is according to the control signal of the real-time adjustment output voltage of data message obtained, to adjust the voltage exported in synchronous rectification output circuit, by this, synchronous rectification is used to reduce switching loss, improve power-efficient, reduce power supply heating itself, in the utility model charge power supply, USB Intelligent Recognition testing circuit can identify various brand mobile phone and mobile phone of inferior brand/IPAD flat board etc. automatically, and contact with the device talk detected, according to the charging current that the mobile phone/IPAD detecting identification provides it to need, also comprise an Intelligent Recognition testing circuit (floating voltage clamp circuit), Intelligent Recognition testing circuit (floating voltage clamp circuit) is connected with output voltage detecting circuit signal.
The beneficial effects of the utility model are: can charge to multiple equipment, and be very easy to the daily life of people, volume is little, and structure is simple, and easy to use, low production cost, charge efficiency is high, and safety in utilization is good.Highly versatile, most mobile device on compatible market, no matter brand, model, as long as mobile phone/IPAD is connected with charger, can Intelligent Recognition detect; All right plug and play, identifies, automatically without the need to manual adjustment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the theory diagram of USB intelligent charger power supply electric-controlled plate of the present invention.
In figure: in figure: 1 be bonnet, 2 for housing, 3 for switch, 4 for electrical equipment cavity volume, 5 for USB port, 6 for PCB, 7 for hang bayonet socket, 8 for ventilating opening,
In fig. 2: 9 is electric-controlled plate, wherein: 901 be power input, 902 be EMI circuit, 903 be pwm circuit for lightning prevention circuit, 904 is the first current rectifying and wave filtering circuit, 905,906 be PWM feedback control circuit, 907 be secondary current rectifying and wave filtering circuit, 908 be synchronous rectification output circuit, 909 be output voltage detecting circuit, 910 be output voltage Circuit tuning, 911 be accessory power supply, 912 for USB Intelligent Recognition testing circuit: 913. thermal-shutdown circuits, 914 are feedback circuit, 915a, 915b, 915c are constant-current control circuit.
Embodiment
See accompanying drawing, a kind of USB intelligent charger of the utility model, have one with the housing 2 of bonnet 1 pivot joint, it is characterized in that: in described housing 2, have electrical equipment cavity volume 4, by the array be made up of multiple USB port 5 on housing 2 front panel, there is ventilating opening 8 two side to housing 2, bonnet 1 has and hangs bayonet socket 7, electric-controlled plate 9 is equipped with in electrical equipment cavity volume 4, described electric-controlled plate 9 comprises the power input 901 sequentially connected, EMI circuit 902, lightning prevention circuit 903, a current rectifying and wave filtering circuit 904, pwm circuit 905, secondary current rectifying and wave filtering circuit 907, synchronous rectification output circuit 908, synchronous rectification output circuit 908 is connected with the constant-current control circuit 915a with multiple USB port 5 cooperating number, 915b, 915c, described constant-current control circuit 915a, 915b, 915c connects a USB port 5 respectively, pwm circuit 905 is also connected with PWM feedback control circuit 906, PWM feedback control circuit 906 connects feedback circuit 914 and thermal-shutdown circuit 913, synchronous rectification output circuit 908(voltage follower circuit) connect output voltage detecting circuit 909 and output voltage Circuit tuning 910, output voltage detecting circuit 909 is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and output voltage Circuit tuning 910 is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning 910 signal output port, synchronous rectification output circuit 908(voltage follower circuit) signal output port is connected with output voltage detecting circuit 909 signal input port signal, output voltage detecting circuit 909 signal output port is connected with output voltage Circuit tuning 910 signal input port signal, output voltage Circuit tuning 910 signal output port and synchronous rectification output circuit 908(voltage follower circuit) signal input port signal is connected, output voltage detecting circuit 910 carries out detecting & monitoring to synchronous rectification output circuit 908 in real time, and the data message of detection is sent to output voltage Circuit tuning 910, output voltage Circuit tuning 910 is according to the control signal of the real-time adjustment output voltage of data message obtained, to adjust the voltage exported in synchronous rectification output circuit 908, by this, synchronous rectification is used to reduce switching loss, improve power-efficient, reduce power supply heating itself, in the utility model charge power supply, USB Intelligent Recognition testing circuit can identify various brand mobile phone and mobile phone of inferior brand/IPAD flat board etc. automatically, and contact with the device talk detected, according to the charging current that the mobile phone/IPAD detecting identification provides it to need, also comprise an Intelligent Recognition testing circuit 912(floating voltage clamp circuit), Intelligent Recognition testing circuit 912(floating voltage clamp circuit) be connected with output voltage detecting circuit 909 signal.
In embodiment of the present utility model:
Described synchronous rectification output circuit 908 is also connected with accessory power supply 911.
As can be seen here, by the design of said structure, make its versatility extremely strong, most mobile device on compatible market, no matter brand, model, as long as mobile phone/IPAD is connected with charger, can Intelligent Recognition detect; All right plug and play, identifies automatically, without the need to manual adjustment, simple and convenient; The charging of USB Intelligent Recognition controls; according to the model of external equipment (as mobile phone or panel computer); be modeled to corresponding USB type; make charging device that maximum current versus can be used to connect equipment (mobile phone or panel computer) to charge; also there is intelligent charge defencive function; prevent mobile phone/IPAD from occurring the situations such as white screen, Hua Ping, blank screen, deadlock and shutdown, mobile phone/IPAD can charge arbitrarily under startup and shutdown state, can not cause any negative effect to mobile phone.
Claims (1)
1. a USB intelligent charger, have one with the housing of bonnet pivot joint, it is characterized in that: in described housing, have electrical equipment cavity volume, by the array be made up of multiple USB port on housing front panel, there is ventilating opening two side to housing, bonnet there is suspension bayonet socket, electric-controlled plate is equipped with in electrical equipment cavity volume, described electric-controlled plate comprises the power input sequentially connected, EMI circuit, lightning prevention circuit, a current rectifying and wave filtering circuit, pwm circuit, secondary current rectifying and wave filtering circuit, synchronous rectification output circuit, synchronous rectification output circuit is connected with the constant-current control circuit with multiple USB port cooperating number, described constant-current control circuit connects a USB port respectively, pwm circuit is also connected with PWM feedback control circuit, PWM feedback control circuit connects feedback circuit and thermal-shutdown circuit, synchronous rectification output circuit connects output voltage detecting circuit and output voltage Circuit tuning, output voltage detecting circuit is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and output voltage Circuit tuning is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning signal output port, synchronous rectification output circuit signal output port is connected with output voltage detecting circuit signal input port signal, output voltage detecting circuit signal output port is connected with output voltage Circuit tuning signal input port signal, output voltage Circuit tuning signal output port is connected with synchronous rectification output circuit signal input port signal, also comprise an Intelligent Recognition testing circuit, Intelligent Recognition testing circuit is connected with output voltage detecting circuit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258964.6U CN204497809U (en) | 2015-04-27 | 2015-04-27 | A kind of USB intelligent charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258964.6U CN204497809U (en) | 2015-04-27 | 2015-04-27 | A kind of USB intelligent charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497809U true CN204497809U (en) | 2015-07-22 |
Family
ID=53577095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520258964.6U Expired - Fee Related CN204497809U (en) | 2015-04-27 | 2015-04-27 | A kind of USB intelligent charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497809U (en) |
-
2015
- 2015-04-27 CN CN201520258964.6U patent/CN204497809U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102882078B (en) | Multifunctional safe changeover plug | |
| CN105406265A (en) | Multifunctional modularized socket | |
| CN205016766U (en) | Rotation type dustproof and waterproof socket with USB function of charging | |
| CN202585966U (en) | Intelligent digital wall socket | |
| CN205122913U (en) | Multi -functional intelligent movement arranges and inserts | |
| CN204835649U (en) | Cabinet charges | |
| CN202103247U (en) | Quickly-charging power supply row socket with USB (Universal Serial Bus) interface | |
| CN204497809U (en) | A kind of USB intelligent charger | |
| CN205863556U (en) | A kind of Intelligent Composite socket | |
| CN202019100U (en) | Easily assembled and disassembled power switch socket | |
| CN204089317U (en) | A kind of USB intelligent charger power supply | |
| CN205407357U (en) | Many mouthfuls of separated time formula USB chargers | |
| CN104167649A (en) | Mobile socket with USB interface | |
| CN203911145U (en) | Intelligent socket with USB interface | |
| CN203243084U (en) | Universal wireless charging mobile power supply based on QI standard | |
| CN203193062U (en) | Low loss AC-DC energy saving power source socket | |
| CN207572679U (en) | A kind of intelligence WIFI socket devices | |
| CN203589773U (en) | Wireless charging device | |
| CN103001081A (en) | Novel USB (universal serial bus) hub | |
| CN204481534U (en) | A kind of many mouthfuls of USB charger | |
| CN201829772U (en) | Power connector with Micro-USB (micro universal serial bus) interface | |
| CN202750160U (en) | Active twisted-pair video emitter sharing power supply with camera | |
| CN204068654U (en) | A kind of strong and weak electricity integral type ic power conversion equipment | |
| CN203722289U (en) | Charging circuit capable of realizing mutual charging between electronic devices | |
| CN202009116U (en) | AC socket with USB interface charger |
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 |
Granted publication date: 20150722 Termination date: 20160427 |