CN202183643U - Magnetic coupling electrical equipment - Google Patents
Magnetic coupling electrical equipment Download PDFInfo
- Publication number
- CN202183643U CN202183643U CN2011202760203U CN201120276020U CN202183643U CN 202183643 U CN202183643 U CN 202183643U CN 2011202760203 U CN2011202760203 U CN 2011202760203U CN 201120276020 U CN201120276020 U CN 201120276020U CN 202183643 U CN202183643 U CN 202183643U
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- China
- Prior art keywords
- power supply
- module
- wireless
- magnetic coupling
- electrical equipment
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- Expired - Fee Related
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Abstract
The utility model discloses magnetic coupling electrical equipment which comprises a wireless power supply module, a wireless receiving module, a direct current power supply, an emitting coil, a receiving coil and a load, wherein the wireless power supply module is provided with four wiring ports, one of the four wiring ports is connected with the anode of the direct current power supply through a lead, another one of the four wiring ports is connected with the cathode of the direct current power supply, the other two of the four wiring ports are connected with the emitting coil by leads, the emitting coil and the receiving coil are connected by magnetic coupling, two ends of the receiving coil are connected with the wireless power supply module by leads, the wireless receiving module is connected with the load, and the receiving coil, the wireless receiving module and the load form a loop. The electrical equipment using the magnetic coupling technology can lead the load not to be directly connected with the power supply by the lead, thus being good in safety, simple in structure, and convenient to use.
Description
Technical field
The utility model relates to a kind of Wireless electrical appliance, refers in particular to a kind of magnetic coupling electrical equipment.
Background technology
The electric current of a coil changes, and produces induced electromotive force at adjacent coil, and they are independently of one another aspect electricity, between influence each other and lean on magnetic field that it is connected, on the electronics, be called the magnetic coupling.The closed-loop path of lead is adopted in existing ordinary appliances loop, needs lead to connect during use all the time, has caused and has used inconvenience.And under the situation of circuit generation short circuit, can not effectively avoid the situation of getting an electric shock.Magnetically coupled circuit has adopted the magnetic coupling technique between transmitting terminal and receiving terminal, be wireless connections, produces at transmitting terminal under the situation of short circuit, and receiving terminal and no current pass through, and have improved fail safe.
Chinese patent publication number CN201608564U; Open day on October 13rd, 2010; Name is called and discloses a kind of wireless charger in " wireless charger ", comprises reflector and receiver, and reflector is used to launch the electromagnetic wave of continuous inversion frequency; So that the electromagnetic wave knock against each other of different frequency changes receiver magnetic field state on every side; This receiver then is used for the induced electromotive force according to the magnetic flux change generation of surrounding magnetic field.The magnetic flux that changes around this utility model receiver can be absorbed to change into electric energy by this receiver with the energy that collision is produced, and absorptivity has reached 95%, has improved the distance of wireless charging and the efficient of charging.But this device can only carry out charge function, can not connect the running of load appliance, but also need use the programming gate array, and structure is comparatively complicated.
The utility model content
The purpose of the utility model is to overcome that wired electrical equipment uses inconvenience sometimes in the prior art, and the defective of safety inadequately, provides a kind of load need not be direct-connected with power supply, uses the safer magnetic electrical equipment that is coupled.
The purpose of the utility model is to be achieved through following technical proposals:
A kind of magnetic coupling electrical equipment comprises wireless power supply module, wireless receiving module, DC power supply, transmitting coil, receiving coil, load; Wireless power supply module is provided with 4 connection jaws, and one of described connection jaws connects dc power anode by lead, two connect dc power cathodes, all the other two connection jaws of wireless power supply module are connected with transmitting coil through lead; Transmitting coil and receiving coil are of coupled connections through magnetic, and the receiving coil two ends link to each other with wireless receiving module through lead, and wireless receiving module is connected with load, and receiving coil, wireless receiving module and load constitute the loop.During DC power supply process wireless power supply module, become alternating current through wireless power supply module, alternating current is coupled to wireless receiving module through magnetic, and wireless receiving module output AC electricity is supplied power to the load that is fit to alternating current.
As a kind of preferred version, wireless receiving module includes the switch voltage-stabilizing unit.What receiving coil was exported is alternating voltage, can provide direct voltage to load then to need the loaded switches voltage regulation unit like need directly to the miniature bulb power supply, converts alternating current to direct current.
As a kind of preferred version, be connected with charging module between wireless receiving module and load.The wireless receiving module received current can charge to rechargeable battery when to load electric energy being provided, and can supply power to load separately when rechargeable battery has electricity.
As a kind of preferred version, the equal turn numbers of transmitting coil and receiving coil, the number of turn are 20 circles.Under the situation of equal turn numbers, primary voltage equates with secondary voltage, the size of convenient control voltage; The number of turn 20 circles can guarantee certain inductance value, and load can be run well.
As a kind of preferred version, be provided with a switch between DC power supply and wireless power supply module.Switch can control loop closure and disconnection, increased fail safe simultaneously.
As a kind of preferred version, DC power supply is the USB power supply, and DC power supply and switch room are provided with USB interface.USB interface inserts the USB groove on the computer, and is very easy to use quick by the USB power supply, is convenient to the use of some desktop small electric apparatus, fan for example, hand-warming mouse pad etc.
As a kind of preferred version, wireless power supply module inner integrated oscillating circuit, shaping circuit, testing circuit, frequency interferences suppress that circuit, electric current are controlled automatically, the wireless power radiating circuit.DC power supply has become alternating current after through wireless power supply module, and integrated module stability circuit voltage and electric current.
The beneficial effect of the utility model is, utilizes the magnetic coupling technique that load need not directly be linked to each other with power lead, and fail safe is good, and is simple in structure, easy to use.
Description of drawings
Fig. 1 is a kind of circuit frame sketch map of the utility model.
Wherein: 1, DC power supply, 2, switch, 3, wireless power supply module, 4, transmitting coil, 5, receiving coil, 6, wireless receiving module, 7, the switch voltage-stabilizing unit, 8, charging module, 9, load.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
A kind of magnetic coupling of the utility model electrical equipment, as shown in Figure 1, comprising: wireless power supply module 3, wireless receiving module 6, DC power supply 1, transmitting coil 4, receiving coil 5, load 9, lead.DC power supply 1 adopts the USB power supply power supply of 5V, and wireless power supply module 3 is provided with 4 connection jaws, positive level, and negative level inserts two interfaces of wireless power supply module 3 respectively, and wireless power supply module 3 remaining two interfaces link to each other with transmitting coil 4.Comprised in the wireless power supply module 3 that oscillating circuit, shaping circuit, testing circuit, frequency interferences inhibition circuit, electric current are controlled automatically, the wireless power radiating circuit.Transmitting coil 4 is spaced apart 1cm with receiving coil 5, adopt enamelled wire on the circle of diameter 40mm around, be 20 circles around the number of turn that forms, inductance value is about 25-30uH.Adopt lead to be connected between receiving coil 5 and the wireless receiving module 6, comprise switch voltage-stabilizing unit 7 in the wireless receiving module 6, convert alternating current to direct current, wireless receiving module 6 links to each other with charging module 8 leads, in the charging module 8 rechargeable battery is arranged.Charging module 8 opposite sides link to each other with load 9, form cascaded structure, and load 9 is a miniature electric fan.Whole magnetic coupling electrical equipment is provided with a switch 2 at DC power supply 1 and 3 of wireless power supply modules.
When the user uses this utility model, close switch 2, this moment, DC power supply 1 was through wireless power supply module 3; Become alternating current by oscillating circuit, in transmitting coil 4 and 5 magnetic couplings of receiving coil, receiving coil 5 produces alternating voltage; Through behind the wireless receiving module 6, switch voltage-stabilizing unit 7 has become direct current with alternating current, and the rechargeable battery to charging module 8 in charges; Simultaneously to load 9 miniature electric fans electric energy is provided again, miniature electric fan entry into service.
Claims (7)
1. a magnetic coupling electrical equipment is characterized in that, described magnetic coupling electrical equipment comprises wireless power supply module (3), wireless receiving module (6), DC power supply (1), transmitting coil (4), receiving coil (5), load (9); Wireless power supply module (3) is provided with 4 connection jaws; One of described connection jaws connects DC power supply (1) positive pole by lead; Two connect DC power supply (1) negative poles, all the other two connection jaws of wireless power supply module (3) are connected with transmitting coil (4) through lead; Transmitting coil (4) is of coupled connections through magnetic with receiving coil (5); Receiving coil (5) two ends link to each other with wireless receiving module (6) through lead; Wireless receiving module (6) is connected with load (9), and receiving coil, wireless receiving module and load constitute the loop.
2. a kind of magnetic coupling electrical equipment according to claim 1 is characterized in that described wireless receiving module (6) includes switch voltage-stabilizing unit (7).
3. a kind of magnetic coupling electrical equipment according to claim 2 is characterized in that, is connected with charging module (8) between described wireless receiving module (6) and load (9).
4. a kind of magnetic coupling electrical equipment according to claim 3 is characterized in that the equal turn numbers of described transmitting coil (4) and receiving coil (5), the number of turn are 20 circles.
5. a kind of magnetic coupling electrical equipment according to claim 4 is characterized in that, is provided with a switch (2) between described DC power supply (1) and wireless power supply module (3).
6. a kind of magnetic coupling electrical equipment according to claim 5 is characterized in that described DC power supply (1) is provided with USB interface for the USB power supply between DC power supply (1) and switch (2).
7. a kind of magnetic coupling electrical equipment according to claim 1 is characterized in that, described wireless power supply module (3) is inner integrated oscillating circuit, shaping circuit, testing circuit, frequency interferences suppress that circuit, electric current are controlled automatically, the wireless power radiating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202760203U CN202183643U (en) | 2011-08-01 | 2011-08-01 | Magnetic coupling electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202760203U CN202183643U (en) | 2011-08-01 | 2011-08-01 | Magnetic coupling electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202183643U true CN202183643U (en) | 2012-04-04 |
Family
ID=46176664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202760203U Expired - Fee Related CN202183643U (en) | 2011-08-01 | 2011-08-01 | Magnetic coupling electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202183643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880322A (en) * | 2012-10-19 | 2013-01-16 | 合肥工业大学 | Wireless power transmission mouse |
-
2011
- 2011-08-01 CN CN2011202760203U patent/CN202183643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880322A (en) * | 2012-10-19 | 2013-01-16 | 合肥工业大学 | Wireless power transmission mouse |
| CN102880322B (en) * | 2012-10-19 | 2016-04-06 | 合肥工业大学 | A kind of wireless power transmission mouse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20130801 |