CN204231034U - A kind of wireless power supply for intelligent door lock - Google Patents
A kind of wireless power supply for intelligent door lock Download PDFInfo
- Publication number
- CN204231034U CN204231034U CN201420637919.7U CN201420637919U CN204231034U CN 204231034 U CN204231034 U CN 204231034U CN 201420637919 U CN201420637919 U CN 201420637919U CN 204231034 U CN204231034 U CN 204231034U
- Authority
- CN
- China
- Prior art keywords
- wireless power
- circuit
- power supply
- door lock
- intelligent door
- 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.)
- Active
Links
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model discloses a kind of wireless power supply for intelligent door lock, it comprises wireless power transmitter unit and wireless power receiving element, and wherein wireless power receiving element is arranged in intelligent door leaf; Described wireless power transmitter unit is arranged in doorframe, for the direct current of input is converted to alternating current, and by electromagnetic induction, AC energy is radioed to described wireless power receiving element, described wireless power receiving element by receive alternating current be converted to direct current, and export and provide working power for intelligent door lock.The utility model is that intelligent door lock provides new wireless power mode to replace original powered battery mode, improves the property easy to use of intelligent door lock, and energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of wireless power supply, specifically refers to a kind of wireless power supply for intelligent door lock.
Background technology
At present, intelligent door lock market is just fast-developing, and the intelligent door lock of various function has been pushed to market by producer.Intelligent door lock, not only for the high-end place such as hotel, apartment, also starts to enter average family.Traditional intelligence door lock uses powered battery, and powered battery mode is very easily subject to the quantitative limitation of battery accumulate appearance; After battery electric quantity deficiency, make intelligent door lock that Intelligent Recognition mode cannot be used to unblank; And more renewing battery, necessary to split out a series of processes such as door lock extremely loaded down with trivial details, causes intelligent door lock extremely inconvenience in use.
Utility model content
The technical problem that the utility model solves is the battery type electric power-feeding structure breaking through current intelligent door lock, adopts wireless power supply, realizes intelligent door lock wireless power.The utility model adopts following technical scheme:
For a wireless power supply for intelligent door lock, comprise wireless power transmitter unit and wireless power receiving element, described wireless power receiving element is arranged in door leaf; Described wireless power transmitter unit is arranged in doorframe, for the direct current of input is converted to alternating current, and by electromagnetic induction, AC energy is radioed to described wireless power receiving element; Described wireless power receiving element is used for the alternating current received to be converted to direct current, and exports as intelligent door lock provides working power.
Further, described wireless power transmitter unit comprises DC power supply VCC1, pulse-generating circuit, metal-oxide-semiconductor drive circuit, metal-oxide-semiconductor and alternating electromagnetic field radiating circuit; Described DC power supply VCC1 is connected with described pulse-generating circuit, metal-oxide-semiconductor drive circuit and metal-oxide-semiconductor, and provides working power; Described pulse-generating circuit produces pulse signal, and is transferred to described metal-oxide-semiconductor drive circuit, and described metal-oxide-semiconductor drive circuit drives described metal-oxide-semiconductor according to described pulse signal, and described metal-oxide-semiconductor controls described alternating electromagnetic field radiating circuit and produces alternating electromagnetic field.
Further, described alternating electromagnetic field radiating circuit comprises inductance coil L11, electric capacity C12 and electric capacity C13, electric capacity C12 and electric capacity C13 is connected between DC power supply VCC1 and ground, one end of inductance coil L11 is connected to the series connection node between electric capacity C12 and electric capacity C13, and the other end of inductance coil L11 is connected with described metal-oxide-semiconductor.
Further, described wireless power receiving element comprises inductive receiving circuit, rectification circuit and filter circuit; Described inductive receiving circuit for receiving the alternating current transmitted by described wireless power transmitter unit, and is transferred to described rectification circuit and carries out rectification process; Alternating current transmission after rectification carries out filtering process to described filter circuit by described rectification circuit, and described filter circuit exports direct current and provides DC power supply for late-class circuit.
Further, described inductive receiving circuit comprises inductance coil L21 and electric capacity C21, and described inductance coil L21 is in parallel with electric capacity C21.
Further, described rectification circuit is the rectifier bridge be made up of diode D21, diode D22, diode D23 and diode D24; The input of described rectifier bridge is connected to the two ends of inductive receiving circuit 21, and an output head grounding, another output is connected with described filter circuit.
Further, described filter circuit is the condenser type filter circuit be made up of electric capacity C22 and electric capacity C23 parallel connection; One end ground connection of described filter circuit, the other end is connected with the output of described rectification circuit; The link of described filter circuit and described rectification circuit, the output VCC2 as described wireless power receiving element provides DC power supply for late-class circuit.
Compared with prior art, the utility model has the following advantages and beneficial effect:
(1) make intelligent door lock in use no longer need to change battery, improve the property easy to use of intelligent door lock;
(2) from the angle of Long-Time Service, battery spending can be saved, be beneficial to environmental protection.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of wireless power transmitter unit of the present utility model;
Fig. 3 is the circuit theory diagrams of wireless power receiving element of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of wireless power supply for intelligent door lock that the utility model provides, comprise wireless power transmitter unit 1 and wireless power receiving element 2, wherein wireless power receiving element 2 is arranged in door leaf; Described wireless power transmitter unit 1 is arranged in doorframe, for the direct current of input is converted to alternating current, and by electromagnetic induction, AC energy is radioed to described wireless power receiving element 2; Described wireless power receiving element 2 for the alternating current received is converted to direct current, and exports as intelligent door lock provides working power.
As shown in Figure 1, 2, wireless power transmitter unit 1 comprises DC power supply VCC1, pulse-generating circuit 11, metal-oxide-semiconductor drive circuit 12, metal-oxide-semiconductor 13 and alternating electromagnetic field radiating circuit 14.DC power supply VCC1 is connected with described pulse-generating circuit 11, metal-oxide-semiconductor drive circuit 12 and metal-oxide-semiconductor 13, and provides working power.
Pulse-generating circuit 11, for generation of pulse signal, produces the pwm pulse of 200KHz in the present embodiment, and by the pulse signal transmission of generation to metal-oxide-semiconductor drive circuit 12; Metal-oxide-semiconductor drive circuit 12 carrys out driven MOS pipe 13 according to the pulse signal that receives again, thus metal-oxide-semiconductor 13 controls alternating electromagnetic field radiating circuit 14 produces alternating electromagnetic field.
As shown in Figure 2, alternating electromagnetic field radiating circuit 14 comprises inductance coil L11, electric capacity C12 and electric capacity C13, and forms LC radiating circuit.Electric capacity C12 and electric capacity C13 is connected between DC power supply VCC1 and ground, and one end of inductance coil L11 is connected to the series connection node between electric capacity C12 and electric capacity C13, and the other end of inductance coil L11 is connected with described metal-oxide-semiconductor 13.Alternating electromagnetic field radiating circuit 14 is under the control action of metal-oxide-semiconductor 13, and producing frequency by LC vibration is the alternating electromagnetic field of 200KHz.
As shown in Figure 1, wireless power receiving element 2 comprises inductive receiving circuit 21, rectification circuit 22 and filter circuit 23.
As shown in Figure 3, inductive receiving circuit 21 comprises inductance coil L21 and electric capacity C21, and inductance coil L21 is in parallel with electric capacity C21, composition LC oscillating circuit.Inductive receiving circuit 21 responds to for receiving the 200KHz alternating electromagnetic field transmitted by the alternating electromagnetic field radiating circuit 14 of wireless power transmitter unit 1 alternating current generated, and then by alternating current transmission to rectification circuit 22.
Rectification circuit 22 is the rectifier bridges be made up of diode D21, diode D22, diode D23 and diode D24; The input of this rectifier bridge is connected to the two ends of inductance coil L21, and an output head grounding, another output is connected with filter circuit 23.The alternating current of rectification circuit 22 to input carries out rectification process, and gives described filter circuit 23 by the alternating current transmission after rectification.
Filter circuit 23 is the condenser type filter circuits be made up of electric capacity C22 and electric capacity C23 parallel connection; One end of filter circuit 23 is connected to the output of rectification circuit 22, and this end provides DC power supply as the output VCC2 of described wireless power receiving element 2 for late-class circuit.Alternating current after filter circuit 23 pairs of rectifications carries out filtering process, and finally, namely this can be late-class circuit through the direct current that rectifying and wave-filtering obtains and provide DC power supply, and the internal circuit being intelligent door lock provides DC power supply.
In the utility model, when wireless power transmitter unit 1 works, by receiving inductance coil L21 near emission inductance coil L11, then because electromagnetic induction principle, receiving coil L21 produces induced electromotive force, wireless power receiving element 2 carries out rectifying and wave-filtering to induced electromotive force again, finally obtains direct voltage, and the late-class circuit for intelligent door lock provides galvanic current source.
In the utility model, wireless power transmitter unit 1 is installed in doorframe, and wireless power receiving element 2 is installed in door leaf, and inductance coil L11 becomes coaxial and installs with inductance coil L21.The power supply VCC1 of wireless power transmitter unit 1 is provided by external circuit, and its voltage is determined by transmitting power and device parameters, wireless power receiving element 2 be in door lock other circuit structure as power supplies such as smart card reader, motor and rechargeable batteries.When door is closed, this time, inductance coil L11 distance inductance coil L21 was very near, formed induced field, wireless power transmitter unit 1 by electrical energy transfer to wireless power receiving element 2, the output of wireless power receiving element 2 can directly for late-class circuit is powered, and be rechargeable battery charging.When the door is open, inductance coil L11 and inductance coil L21 is distant, and wireless power unit 2 just no longer has fan-out capability, now uses rechargeable battery powered.Use such circuit structure, the automatic charging when door is closed, can use rechargeable battery powered when door is opened, the front door lock just solved needs the troublesome problem changing battery.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (7)
1. for a wireless power supply for intelligent door lock, comprise wireless power transmitter unit (1) and wireless power receiving element (2), it is characterized in that: described wireless power receiving element (2) is arranged in door leaf; Described wireless power transmitter unit (1) is arranged in doorframe, for the direct current of input is converted to alternating current, and by electromagnetic induction, AC energy is radioed to described wireless power receiving element (2); Described wireless power receiving element (2) for the alternating current received is converted to direct current, and exports as intelligent door lock provides working power.
2. the wireless power supply for intelligent door lock according to claim 1, is characterized in that: described wireless power transmitter unit (1) comprises DC power supply VCC1, pulse-generating circuit (11), metal-oxide-semiconductor drive circuit (12), metal-oxide-semiconductor (13) and alternating electromagnetic field radiating circuit (14); Described DC power supply VCC1 is connected with described pulse-generating circuit (11), metal-oxide-semiconductor drive circuit (12) and metal-oxide-semiconductor (13), and provides working power; Described pulse-generating circuit (11) produces pulse signal, and be transferred to described metal-oxide-semiconductor drive circuit (12), described metal-oxide-semiconductor drive circuit (12) drives described metal-oxide-semiconductor (13) according to described pulse signal, and described metal-oxide-semiconductor (13) controls described alternating electromagnetic field radiating circuit (14) and produces alternating electromagnetic field.
3. the wireless power supply for intelligent door lock according to claim 2, it is characterized in that: described alternating electromagnetic field radiating circuit (14) comprises inductance coil L11, electric capacity C12 and electric capacity C13, electric capacity C12 and electric capacity C13 is connected between DC power supply VCC1 and ground, one end of inductance coil L11 is connected to the series connection node between electric capacity C12 and electric capacity C13, and the other end of inductance coil L11 is connected with described metal-oxide-semiconductor (13).
4. the wireless power supply for intelligent door lock according to claim 1 or 2 or 3, is characterized in that: described wireless power receiving element (2) comprises inductive receiving circuit (21), rectification circuit (22) and filter circuit (23); Described inductive receiving circuit (21) for receiving the alternating current transmitted by described wireless power transmitter unit (1), and is transferred to described rectification circuit (22) and carries out rectification process; Alternating current transmission after rectification carries out filtering process to described filter circuit (23) by described rectification circuit (22), and described filter circuit (23) exports direct current and provides DC power supply for late-class circuit.
5. the wireless power supply for intelligent door lock according to claim 4, is characterized in that: described inductive receiving circuit (21) comprises inductance coil L21 and electric capacity C21, and described inductance coil L21 is in parallel with electric capacity C21.
6. the wireless power supply for intelligent door lock according to claim 4, is characterized in that: described rectification circuit (22) is the rectifier bridge be made up of diode D21, diode D22, diode D23 and diode D24; The input of described rectifier bridge is connected to the two ends of inductive receiving circuit (21), and an output head grounding, another output is connected with described filter circuit (23).
7. the wireless power supply for intelligent door lock according to claim 4, is characterized in that: described filter circuit (23) is the condenser type filter circuit be made up of electric capacity C22 and electric capacity C23 parallel connection; One end ground connection of described filter circuit (23), the other end is connected with the output of described rectification circuit (22); The link of described filter circuit (23) and described rectification circuit (22), the output VCC2 as described wireless power receiving element (2) provides DC power supply for late-class circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637919.7U CN204231034U (en) | 2014-10-29 | 2014-10-29 | A kind of wireless power supply for intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637919.7U CN204231034U (en) | 2014-10-29 | 2014-10-29 | A kind of wireless power supply for intelligent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231034U true CN204231034U (en) | 2015-03-25 |
Family
ID=52929084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420637919.7U Active CN204231034U (en) | 2014-10-29 | 2014-10-29 | A kind of wireless power supply for intelligent door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231034U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018129915A1 (en) * | 2017-01-16 | 2018-07-19 | 深圳市科迈爱康科技有限公司 | Chargeable lock assembly |
| CN109469412A (en) * | 2018-12-07 | 2019-03-15 | 浙江大学 | A kind of intelligent door lock of wireless power recognition of face |
| CN109629922A (en) * | 2019-01-24 | 2019-04-16 | 广东雅仕格科技集团有限公司 | A kind of intelligent door lock and intelligent door |
| CN110084951A (en) * | 2019-06-19 | 2019-08-02 | 怀化学院 | A kind of optic communication lock body based on Internet of Things |
-
2014
- 2014-10-29 CN CN201420637919.7U patent/CN204231034U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018129915A1 (en) * | 2017-01-16 | 2018-07-19 | 深圳市科迈爱康科技有限公司 | Chargeable lock assembly |
| CN109469412A (en) * | 2018-12-07 | 2019-03-15 | 浙江大学 | A kind of intelligent door lock of wireless power recognition of face |
| CN109629922A (en) * | 2019-01-24 | 2019-04-16 | 广东雅仕格科技集团有限公司 | A kind of intelligent door lock and intelligent door |
| CN109629922B (en) * | 2019-01-24 | 2024-06-14 | 广东雅仕格科技集团有限公司 | Intelligent door lock and intelligent door |
| CN110084951A (en) * | 2019-06-19 | 2019-08-02 | 怀化学院 | A kind of optic communication lock body based on Internet of Things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3787152B1 (en) | Inductive power outlet and corresponding receiver | |
| CN204190475U (en) | A kind of wireless charging reflector and wireless charging device | |
| CN204231034U (en) | A kind of wireless power supply for intelligent door lock | |
| CN105141045A (en) | Magnetic coupling resonance-type wireless electric energy transmission control system | |
| CN104113098A (en) | Wireless charging topological structure and frequency sweep algorithm | |
| CN102170177A (en) | High-power wireless power transmission system | |
| CN204992720U (en) | Wireless charging device | |
| CN104953682B (en) | Circuit and its device with wireless charging emission function Yu wireless charging receive capabilities | |
| CN203416033U (en) | Wireless charging device for electronic lock | |
| CN104617646A (en) | Intelligent wireless charging device based on ZVS self-exciting resonance | |
| CN104746964A (en) | Chargeable electronic code lock | |
| CN203197960U (en) | Magnetic coupling resonant type wireless powered shaver | |
| CN105119389A (en) | Frequency self-adaptive tracking device for wireless power supply locomotive | |
| CN110326187A (en) | Contactless power supply device | |
| CN105471056B (en) | The wireless charging device and its method of wireless microphone | |
| CN204559247U (en) | Magnetic coupling dual-mode wireless electric energy transmitting device | |
| CN108879982B (en) | Bistable primary side constant-current magnetic induction coupling wireless charging device and use method thereof | |
| CN204425055U (en) | A kind of wireless charging device being applied to Smart Home power supply unit | |
| KR20150021285A (en) | Wireless power receiving device | |
| CN104902631A (en) | Time-delay touch switch for intelligent household appliances | |
| CN103227514B (en) | Electromagentic resonance wireless senser | |
| CN203841495U (en) | Wireless curtain control device | |
| CN203801099U (en) | Power circuit and microwave oven | |
| CN101932148A (en) | Electromagnetic heating circuit | |
| CN104615051A (en) | Smart home remote control module with optocoupler drive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |