CN204945938U - A kind of desk-top computer wireless power supply - Google Patents
A kind of desk-top computer wireless power supply Download PDFInfo
- Publication number
- CN204945938U CN204945938U CN201520634168.8U CN201520634168U CN204945938U CN 204945938 U CN204945938 U CN 204945938U CN 201520634168 U CN201520634168 U CN 201520634168U CN 204945938 U CN204945938 U CN 204945938U
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- circuit
- control circuit
- transmitter unit
- radio energy
- energy transmitter
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of desk-top computer wireless power supply, be made up of radio energy transmitter unit, driving circuit, control circuit and detection feedback circuit, driving circuit connection control circuit and radio energy transmitter unit, detect feedback circuit detection radio energy transmitter unit signal and be delivered to control circuit, wherein: described radio energy transmitter unit is made up of Electromagnetic Launching coil and power amplification circuit; Described control circuit is made up of microchip and accessory circuit; Described detection feedback circuit is made up of OP07 operational amplifier and peripheral circuit.The multiple external units that can be computing machine provide power supply, both can realize wireless power transmission, reduce electric wire; The space of cabinet can be made full use of again, also realize the monitoring to system power simultaneously, ensure that Electrical Safety is reliable.
Description
Technical field
The utility model belongs to radio transmission technical field, is specifically related to a kind of desk-top computer wireless power supply.
Background technology
Desk-top computer is popular microcomputer, and the machine of majority's family and company is all desktop computer.Desktop computer chassis space is large, ventilation condition good, favorable expandability.Along with the development of multimedization, increasing peripherals becomes the standard configuration equipment of desktop computer.Along with increasing of peripheral hardware, desktop computer aerial lug also gets more and more, and not only affects attractive in appearance, and also result in certain difficulty to installation and maintenance.Therefore, wireless application becomes main flow.The wireless devices such as such as wireless mouse, wireless network card and wireless sound box arise at the historic moment.But above-mentioned radio function also only stays in the stage providing wireless signal, and the wireless supply of electric energy does not also realize, therefore, line is many, line is random, power supply base is not enough and other problems still cannot solve.
Summary of the invention
For solving the above-mentioned defect that prior art exists, the purpose of this utility model is to provide a kind of desk-top computer wireless power supply, realizes the wireless supply of electric energy, avoids the winding that line causes more.
For achieving the above object, the technical solution adopted in the utility model is: this desk-top computer wireless power supply, be made up of radio energy transmitter unit, driving circuit, control circuit and detection feedback circuit, driving circuit connection control circuit and radio energy transmitter unit, detect feedback circuit detection radio energy transmitter unit signal and be delivered to control circuit, it is characterized in that: described radio energy transmitter unit is made up of Electromagnetic Launching coil and power amplification circuit; Described control circuit is made up of microchip and accessory circuit, is controlled the wireless transmission of electric energy, realize energy transferring, control system, detect, protect by control circuit; Described detection feedback circuit is made up of OP07 operational amplifier and peripheral circuit, completes the detection to system state and feedback, coordinates control circuit automatically to control whole device.
Described power amplification circuit forms half-bridge power inverter circuit by MOSFET pipe IRF640, each half-bridge band Electromagnetic Launching coil; Described driving circuit selects UCC3895 as driving chip, controlled frequency 500kHz, adds pulse transformer as load output circuit by photoelectric isolating circuit, forms half-bridge drive circuit; Described control circuit adopts TMS320F2812 as main control chip, by can supervisory system realtime power to the current detecting of each transmission channel, realizes the control of system, detection and defencive function.
Adopt the beneficial effect of technique scheme: this desk-top computer wireless power supply constructs the wireless power supply based on desk-top computer, is arranged in the mainframe box of desktop computer, can provide power supply for multiple external units of computing machine.Both can realize wireless power transmission, reduce electric wire; The space of cabinet can be made full use of again; And, the monitoring to system power can be realized, ensure that Electrical Safety is with reliable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is circuit structure block diagram of the present utility model.
Fig. 2 is the circuit diagram of a transmitter unit.
Fig. 3 is driving circuit figure.
Fig. 4 is for detecting feedback circuit figure.
Embodiment
As Fig. 1,2, this desk-top computer wireless power supply shown in 3 and 4, be made up of radio energy transmitter unit 2, driving circuit 1, control circuit 4, detection feedback circuit 3, driving circuit 1 connection control circuit 4 and radio energy transmitter unit 2, detect feedback circuit detection radio energy transmitter unit signal and be delivered to control circuit, described radio energy transmitter unit is made up of Electromagnetic Launching coil and power amplification circuit; Described control circuit is made up of microchip and accessory circuit, is controlled the wireless transmission of electric energy, realize energy transferring, control system, detect, protect by control circuit; Described detection feedback circuit is made up of OP07 operational amplifier and peripheral circuit, completes the detection to system state and feedback, coordinates control circuit automatically to control whole device.
Described power amplification circuit forms half-bridge power inverter circuit by MOSFET pipe IRF640, each half-bridge band Electromagnetic Launching coil; Driving circuit selects UCC3895 as driving chip, and controlled frequency can reach 500kHz, adds pulse transformer as load output circuit by photoelectric isolating circuit, forms half-bridge drive circuit; Control circuit adopts TMS320F2812 as main control chip, by can supervisory system realtime power to the current detecting of each transmission channel, realizes the control of system, detection and defencive function.
Described detection feedback circuit is made up of OP07 operational amplifier and peripheral circuit, and as shown in Figure 4, resistance R6 is the constantan-made resistances receiving major loop.The filtering circuit that the current signal of the major loop collected by R6 is formed through resistance R2, R3 and R7 and electric capacity C2 and C3, is sent to operational amplifier.The ADC that voltage signal after amplification is sent to TMS320F2812 inside carries out sampling processing.The functions such as load detecting, overcurrent protection and power adjustment can be realized according to different electric currents.
Claims (2)
1. a desk-top computer wireless power supply, be made up of radio energy transmitter unit, driving circuit, control circuit and detection feedback circuit, driving circuit connection control circuit and radio energy transmitter unit, detect feedback circuit detection radio energy transmitter unit signal and be delivered to control circuit, it is characterized in that: described radio energy transmitter unit is made up of Electromagnetic Launching coil and power amplification circuit; Described control circuit is made up of microchip and accessory circuit, is controlled the wireless transmission of electric energy, realize energy transferring, control system, detect, protect by control circuit; Described detection feedback circuit is made up of OP07 operational amplifier and peripheral circuit, completes the detection to system state and feedback, coordinates control circuit automatically to control whole device.
2. desk-top computer wireless power supply as claimed in claim 1, is characterized in that: described power amplification circuit forms half-bridge power inverter circuit by MOSFET pipe IRF640, each half-bridge band Electromagnetic Launching coil; Described driving circuit selects UCC3895 as driving chip, controlled frequency 500kHz, adds pulse transformer as load output circuit by photoelectric isolating circuit, forms half-bridge drive circuit; Described control circuit adopts TMS320F2812 as main control chip, by can supervisory system realtime power to the current detecting of each transmission channel, realizes the control of system, detection and defencive function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634168.8U CN204945938U (en) | 2015-08-21 | 2015-08-21 | A kind of desk-top computer wireless power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520634168.8U CN204945938U (en) | 2015-08-21 | 2015-08-21 | A kind of desk-top computer wireless power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945938U true CN204945938U (en) | 2016-01-06 |
Family
ID=55013348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520634168.8U Expired - Fee Related CN204945938U (en) | 2015-08-21 | 2015-08-21 | A kind of desk-top computer wireless power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945938U (en) |
-
2015
- 2015-08-21 CN CN201520634168.8U patent/CN204945938U/en not_active Expired - Fee Related
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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: 20160106 Termination date: 20160821 |