CN201887521U - Portable mobile terminal wireless charger - Google Patents
Portable mobile terminal wireless charger Download PDFInfo
- Publication number
- CN201887521U CN201887521U CN2010206573201U CN201020657320U CN201887521U CN 201887521 U CN201887521 U CN 201887521U CN 2010206573201 U CN2010206573201 U CN 2010206573201U CN 201020657320 U CN201020657320 U CN 201020657320U CN 201887521 U CN201887521 U CN 201887521U
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- Prior art keywords
- strip
- charger
- portable mobile
- wireless charger
- magnetic holder
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- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a portable mobile terminal wireless charger with a compact size, which comprises a charger shell body (1), a micro radiating fan (2), a functional circuit board (3), a strip-shaped transmission coil (4), a strip-shaped hollow core magnetic box (5), a magnetic sensing switch (6), a pulse light signal receiver probe (7), a charge status indicator lamp (8) and a power cord (9); the charger takes a desktop as a charging platform; when in charging, the wireless charger and a mobile terminal which is equipped with a corresponding wireless charging plug are put on the platform close to each other, and wireless charging can be carried out; and simultaneously, the utility model has dual energy-saving control functions that the charger is automatically started and beings to charge when getting closing to the mobile terminal, the power is automatically off when the charger is moved away from the mobile terminal, a light alarm signal is automatically fed back after the electricity is fully charged to control the power-off of the charger, the carrying is convenient when a user goes out, and the energy is saved.
Description
Technical field
The utility model relates to portable terminal wireless charging technical field, particularly about a kind of portable mobile termianl wireless charger.
Background technology
The utility model is that application number is the follow-up modified model of 201020557428.3 1 kinds of dual-purpose portable terminal chargers.In above-mentioned application documents, use as charging platform on charger housing top, portable terminal is placed on above the platform charges, and such charging modes makes very little that the volume of charger can not do, and out on tours, carries inconvenience when setting out.
Summary of the invention
The utility model provides a kind of volume small and exquisite portable mobile termianl wireless charger, this charger utilizing desktop is as charging platform, during charging wireless charger is placed on just to be close together on the platform with the portable terminal that has been equipped with corresponding wireless charging plug (submitting patent application separately to) and can carries out wireless charging, have simultaneously charger with wait to fill portable terminal near the time Auto Power On charging, remove back outage automatically, electric weight is full of the dual economize on electricity controlled function of automatic feedback light alarm signal control charger outage, easy to carry when going out, save the energy.
The utility model achieves the above object by the following technical programs: a kind of portable mobile termianl wireless charger, comprise the charger housing, miniature radiator fan, the functional circuit plate, the strip transmitting coil, strip hollow magnetic holder, the magnetosensitive switch, pulsed optical signals receiver probe, charged state indicator light and power plug wire are formed, it is characterized in that: the strip transmitting coil is sleeved on and becomes as a whole in the strip hollow magnetic holder, be installed in the front end of charger housing, the magnetosensitive switch is installed in the outside at the hollow magnetic holder of strip center, light pulse signal receiver probe is installed in strip hollow magnetic holder back, and probe is outwardly directed to air-gap position, strip hollow magnetic holder center.
Described functional circuit plate is by being installed in A/D power converting circuit, the charging process intelligence control circuit on the tellite and forming after higher-order of oscillation output circuit three big unit circuit electronic components are connected successively.
Described A/D power converting circuit is converted to the 220V civil power and delivers to charging process intelligence control circuit and higher-order of oscillation output circuit behind the 12V low-voltage dc voltage as working power.The A/D power converting circuit can use known charger for mobile phone A/D power converting circuit, does not do here and gives unnecessary details.
Described charging process intelligence control circuit is used by the IC control chip that mcu programming is made or customization is special-purpose, finishes the automatic adjusting and the control of parameters in the charging process.Act on as follows:
1, the load variations in the radio induction charging process is implemented uninterruptedly to detect automatically, cut off higher-order of oscillation output circuit power supply automatically, the electrical source consumption when reducing zero load after the lithium battery electric weight is full of the feedback light alarm signal receiving.
2, detect automatically and control and adjust that tranmitting frequency is complementary with the resonance frequency that receives charging device (plug) or approaching, realize the coupled transfer maximizing efficiency.
3, when higher-order of oscillation radiating circuit transships or be overheated, control reduces operating voltage automatically, reduces operating current, and the protection radiating circuit is operated in safe operating state, avoids the circuit damage.
4, detect circuit element temperature rise in the charger housing automatically, control miniature radiator fan and open cooling.
5, charged state is informed in the light on and off of control LED charging indicator light.
Described higher-order of oscillation output circuit can adopt crystal single-ended or recommend the high frequency power output circuit of output as the multistage amplification of oscillation source, also can take the LC oscillating circuit of single power tube vibration output high-frequency energy, operating frequency is selected between 20KC-10MC.
Described miniature radiator fan is vertically mounted on the rear wall of charger housing, direct-current working volts 12-24V, thick 5-10MM, external dimensions 20 * 20-30 * 30MM, power 0.5-2W.
Described strip transmitting coil uses sub-thread or the coiling of multiply enamelled wire, loop length 20-50MM, width 5-10MM.According to the difference of operating frequency, the coiling number of turns is selected between the 5-200 circle.
The hollow magnetic holder of described strip adopts the high frequency ferrite material, leaves the strip air-gap in the middle of the magnetic holder, as the ventilation and heat passage with see through the window of light pulse alarm signal.
Described magnetosensitive switch adopts contact open type tongue tube, is installed in the front end of flat transmitting coil, tongue tube the two poles of the earth be serially connected in A in the D change-over circuit 13003 oscillating tube 510K upper offset resistance loops.
Described pulsed optical signals receiver probe adopts the photodetection receiving device, be installed in the strip air-gap back of the hollow magnetic holder of strip, be used for receiving the battery electric quantity of coming and be full of control shutdown alarm pulsed optical signals with the matching used wireless charging plug irradiation of charger.
Described charged state indicator light adopts single the sudden strain of a muscle or two shwoot optical diode of LED of per second flicker 1-2 hertz, when higher-order of oscillation output circuit is worked, the luminous expression charging of glimmering of charged state indicator light is carried out, and the down circuitry rear indicator light extinguishes the expression charging and stops.
The beneficial effect that the utility model produces: this wireless charger utilizes desktop to carry out radio induction charging as charging platform for portable terminal, dwindled the volume of charger, switching on and shutting down and battery electric quantity are full of back outage controlled function automatically when having automatic control charging simultaneously, be easy to carry when going out, easy to use, save electric energy.
Description of drawings
Explanation that can be detailed in addition in conjunction with the accompanying drawings to embodiment of the present utility model.
With reference to accompanying drawing
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a work electricity principle block diagram of the present utility model
Fig. 3 is that switching on and shutting down of the present utility model and electric weight are full of automatic outage control principle schematic diagram
Fig. 4 is a switching on and shutting down control circuit connection layout of the present utility model
1 charger housing, 2 miniature radiator fan 3 functional circuit plates 4 strip transmitting coils 5 strip hollow magnetic holders 6 magnetosensitive switches 7 pulsed optical signals receivers 8 charged state indicator lights 9 power plug wires 10 portable terminals 11 wireless charging plugs 12 switching on and shutting down control magnet steel 13 alarm pulsed illumination pipes among the figure
Embodiment
From Fig. 1, know, a kind of portable mobile termianl wireless charger, comprise that charger housing 1 miniature radiator fan 2 functional circuit plates 3 strip transmitting coils 4 strip hollow magnetic holders 5 magnetosensitive switches 6 pulsed optical signals receivers 7 charged state indicator lights, 8 power plug wires 9 of popping one's head in form, concrete assembling process is as follows: the rear wall that miniature radiator fan 2 vertically is fixed on charger housing 1, functional circuit plate 3 usefulness screws are fastening to be installed on the base plate of charger housing 1, with strip transmitting coil 4 pack into strip hollow magnetic holder 5 the centre then end face outwards be fixed on the base plate front end of charger housing 1, magnetosensitive switch 6 usefulness epoxy glues are adhesively fixed at the front end of strip transmitting coil 4, pulsed optical signals receiver 7 is installed in the front end of functional circuit plate 3, outwards surveys to receive by the air duct in the middle of the strip hollow magnetic holder correspondingly to be configured in the electric weight that the wireless charging plug 11 on the portable terminal 10 sends and to be full of shutdown alerting light signal.Charged state indicator light 9 is vertically mounted on the functional circuit plate 3, outwards sends the charging blinking light by the reservation aperture on the charger housing 1, and power plug wire 9 is drawn from charger housing 1 back and is used to patch introducing 220V civil power.Will with upper-part by wiring requirement firm welding power up check errorless after, cover charger housing and base plate fastening and tighten with fixed screw, make this portable mobile termianl wireless charger.
With reference to Fig. 2 Fig. 3 Fig. 4, using method of the present utility model and switching on and shutting down, electric weight are full of automatic outage Control work principle and are described below:
1, using method: charger is placed on the desktop, power plug wire 9 is inserted commercial power socket, then the portable terminal 10 close wireless charger front ends of being furnished with corresponding wireless charging plug 11 with this charger, see that charged state indicator light 8 flickers above the charger housing 1 are luminous, expression charging beginning, after electric weight was full of, charger was closed automatically, and charged state indicator light 8 extinguishes.
2, the mechanical, electrical amount of charger switch is full of automatic outage Control work principle: power plug wire 9 is inserted commercial power socket, charger function circuit board 3, owing in the 510K upper offset resistance loop of A/D change-over circuit 13003 oscillating tubes, sealed in the magnetosensitive switch 6 of normally opened contact, upper offset voltage can't be added to above the 13003 oscillating tube base stages, 13003 pipe failure of oscillations.Not power consumption during the output of A/D converter no-voltage realizes electricity-saving function.When portable terminal 10 with the supporting wireless charging plug 11 of charger is housed near charger, switching on and shutting down control magnet steel 12 above the wireless charging plug 11 attracts magnetosensitive switch 6 closures, charger 13003 oscillating tubes get electric generation vibration output dc voltage, charger is started working and is sent the high-frequency induction electromagnetic field and be coupled to wireless charging plug 11 by strip transmitting coil 4, realize the electromagnetic energy conversion by the functional circuit of installing in the wireless charging plug 11, finish charging process to portable terminal 10 internal batteries.When battery electric quantity be full of stop the charging after, the alarm pulsed illumination pipe 13 of wireless charging plug 11 sends the full alarm for power-off light pulse signal of electricity to charger, be positioned in 7 receptions of pulsed signal device probe in the charger, producing the signal of telecommunication delivers to charging process intelligence control circuit discriminatory analysis and sends instruction after errorless, close higher-order of oscillation output circuit power supply, the electricity-saving function after being implemented in battery capacity of mobile terminal and being full of.
Thermistor R is responsible for surveying the temperature in the charger housing 1 among Fig. 2, and it is aeration-cooling that charging process Based Intelligent Control managing chip IC connects the power supply of miniature radiator fan 2 when temperature rise surpasses 35 ℃, and when temperature in the housing was lower than 35 ℃, fan power supply was closed.
Claims (6)
1. portable mobile termianl wireless charger, comprise charger housing (1), miniature radiator fan (2), functional circuit plate (3), strip transmitting coil (4), strip hollow magnetic holder (5), magnetosensitive switch (6), pulsed optical signals receiver probe (7), charged state indicator light (8) and power plug wire (9) are formed, it is characterized in that: strip transmitting coil (4) is sleeved on and becomes as a whole in the strip hollow magnetic holder (5), be installed in the front end of charger housing (1), magnetosensitive switch (6) is installed in the outside at the hollow magnetic holder of strip (5) center, light pulse signal receiver probe (7) is installed in strip hollow magnetic holder (5) back, and probe is outwardly directed to air-gap position, strip hollow magnetic holder (5) center.
2. a kind of portable mobile termianl wireless charger according to claim 1 is characterized in that: described functional circuit plate (3) is by being installed in A/D power converting circuit, the charging process intelligence control circuit on the tellite and forming after higher-order of oscillation output circuit three big unit circuit electronic components are connected successively.
3. a kind of portable mobile termianl wireless charger according to claim 1 is characterized in that: described miniature radiator fan (2) is vertically mounted on the rear wall of charger housing (1).
4. a kind of portable mobile termianl wireless charger according to claim 1 is characterized in that: described strip transmitting coil (4) uses sub-thread or the coiling of multiply enamelled wire, loop length 20-50MM, width 5-10MM.
5. a kind of portable mobile termianl wireless charger according to claim 1 is characterized in that: the hollow magnetic holder of described strip (5) adopts the high frequency ferrite material, leaves the strip air-gap in the middle of the magnetic holder.
6. a kind of portable mobile termianl wireless charger according to claim 1, it is characterized in that: described magnetosensitive switch (6) adopts contact open type tongue tube, be installed in the front end of flat transmitting coil (4), tongue tube the two poles of the earth be serially connected in A in the D change-over circuit 13003 oscillating tube 510K upper offset resistance loops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206573201U CN201887521U (en) | 2010-12-06 | 2010-12-06 | Portable mobile terminal wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206573201U CN201887521U (en) | 2010-12-06 | 2010-12-06 | Portable mobile terminal wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887521U true CN201887521U (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206573201U Expired - Fee Related CN201887521U (en) | 2010-12-06 | 2010-12-06 | Portable mobile terminal wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887521U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051024A (en) * | 2012-12-19 | 2013-04-17 | 东莞市创晨电子有限公司 | Wireless charging method and wireless charger |
| CN103199572A (en) * | 2012-01-07 | 2013-07-10 | 苏州宝时得电动工具有限公司 | Charging base station and charging method |
| CN103915905A (en) * | 2013-01-08 | 2014-07-09 | Lg电子株式会社 | Wireless power transmitter |
| CN115313562A (en) * | 2022-08-16 | 2022-11-08 | 上海华源磁业股份有限公司 | Wireless charger and wireless charging control method |
-
2010
- 2010-12-06 CN CN2010206573201U patent/CN201887521U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199572A (en) * | 2012-01-07 | 2013-07-10 | 苏州宝时得电动工具有限公司 | Charging base station and charging method |
| CN103199572B (en) * | 2012-01-07 | 2016-08-03 | 苏州宝时得电动工具有限公司 | charging base station and charging method |
| CN103051024A (en) * | 2012-12-19 | 2013-04-17 | 东莞市创晨电子有限公司 | Wireless charging method and wireless charger |
| CN103915905A (en) * | 2013-01-08 | 2014-07-09 | Lg电子株式会社 | Wireless power transmitter |
| US9293929B2 (en) | 2013-01-08 | 2016-03-22 | Lg Electronics Inc. | Wireless power transmitter |
| CN103915905B (en) * | 2013-01-08 | 2016-05-25 | Lg电子株式会社 | Wireless power transmission device |
| CN115313562A (en) * | 2022-08-16 | 2022-11-08 | 上海华源磁业股份有限公司 | Wireless charger and wireless charging control method |
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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: 20110629 Termination date: 20131206 |