CN105471030B - A kind of electric toothbrush wireless charger of low power consumption standby - Google Patents

A kind of electric toothbrush wireless charger of low power consumption standby Download PDF

Info

Publication number
CN105471030B
CN105471030B CN201510966073.0A CN201510966073A CN105471030B CN 105471030 B CN105471030 B CN 105471030B CN 201510966073 A CN201510966073 A CN 201510966073A CN 105471030 B CN105471030 B CN 105471030B
Authority
CN
China
Prior art keywords
field
effect tube
electric toothbrush
wireless charger
current
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
Application number
CN201510966073.0A
Other languages
Chinese (zh)
Other versions
CN105471030A (en
Inventor
程耕莘
张立武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Ojv Electric Appliance Co Ltd
Original Assignee
Huizhou Ojv Electric Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huizhou Ojv Electric Appliance Co Ltd filed Critical Huizhou Ojv Electric Appliance Co Ltd
Priority to CN201510966073.0A priority Critical patent/CN105471030B/en
Publication of CN105471030A publication Critical patent/CN105471030A/en
Application granted granted Critical
Publication of CN105471030B publication Critical patent/CN105471030B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H02J7/025

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of electric toothbrush wireless chargers of low power consumption standby, including rechargeable energy transmitting coil, high frequency transmission circuit and micro energy lose control module;Micro energy lose control module includes detection signal collection coil, filter capacitor, rectifier diode, current-limiting resistance, bleeder resistor, field-effect tube, the cathode of rectifier diode and detection signal collection coils from parallel connection of coils, the anode of rectifier diode, filter condenser one end, one end of bleeder resistor, field-effect tube sources connected in parallel, the ground terminal parallel connection of the other end of bleeder resistor, one end of current-limiting resistance, the grid of field-effect tube and high frequency transmission circuit, the detection other end of signal collection coil, the other end of filter capacitor, current-limiting resistance are in parallel;The grid of field-effect tube, the other end for the resistance that converges, the other end of current-limiting resistance are in parallel;The drain electrode of field-effect tube and the control pole of high frequency transmission circuit connect.The wireless charger of the present invention has the characteristics that good energy-conserving effect, compact and of low cost.

Description

A kind of electric toothbrush wireless charger of low power consumption standby
Technical field
The present invention relates to wireless charger technical field, the electric toothbrush wireless charging of specially a kind of low power consumption standby Device.
Background technology
In the prior art, the output power of wireless charger is smaller, generally no greater than 3W, and standby power is usually in 1W Left and right, is even up to 2W or so, because standby power is relatively small, the fever of itself is limited, in addition the volume of charger is general Will not too, therefore heat distributes rear Wen Sheng and is less than 20 degree under normal circumstances, meets the fever requirement of household electrical appliances or industry, therefore general Producer seldom again further decreases power consumption.
But in some extreme environments, still there is potential danger in such fever, for example charger is placed in good heat insulation Etui in, the calorific value of 1W has an opportunity Wen Sheng being increased to 60 degree or higher, and the potential danger brought is exactly electrical apparatus insulation Performance declines, may be because of the excessively high formation fire hazard of temperature.
Another point is exactly that such small functional product, social dosage is extremely huge, such as by taking electric toothbrush as an example, monthly in day Sales volume on cat is not less than 190,000 or so, and every is calculated for 3 days by monthly line duration, electric energy meter when consuming standby altogether It calculates as follows:
Known conditions:Moon sale number about 190,000;Charger stand-by power consumption:1W this is defined herein as P0;User is every Month online stand-by time:It 3 days, closes 72 hours and is calculated, electric energy P2 when electric energy P1 and year consume standby when monthly consuming standby:
P1=190,000*1w*72h=13,680,000Wh=13,680kWh
P2=13,680kWh*12=164,160kWh
This is only the electric energy that the electric toothbrush monthly sold away on day cat is consumed when standby, expands to the whole industry All use, consumed it is standby when electric energy it is even more surprising.
Invention content
The object of the present invention is to provide a kind of electric toothbrush wireless charger of low power consumption standby, have good energy-conserving effect, Compact and feature of low cost.
The present invention can be achieved through the following technical solutions:
The invention discloses a kind of electric toothbrush wireless chargers of low power consumption standby, and electricity is received with with radio energy The electric toothbrush on road matches, and the wireless charger includes rechargeable energy transmitting coil, high frequency transmission circuit and micro energy lose Control module;The micro energy lose control module includes detecting signal collection coil, filter capacitor, rectifier diode, current-limiting resistance, Bleeder resistor, field-effect tube, cathode and the detection signal collection coil of the rectifier diode are connected in a bit, the rectification two The anode of pole pipe, filter condenser one end, one end of the bleeder resistor, field-effect tube source electrode be connected in jointly together, institute The ground terminal for stating the other end of bleeder resistor, one end of current-limiting resistance, the grid of field-effect tube and the high frequency transmission circuit is total It is same to be connected in a bit, one end connection of the detection other end of signal collection coil, the other end of filter capacitor, current-limiting resistance Together;The grid of the field-effect tube, the other end for the resistance that converges, the other end of current-limiting resistance are connected together jointly;It is described The drain electrode of field-effect tube signal output end and is connect in order to control with the control pole of high frequency transmission circuit.Control the output pair of signal As for field-effect tube, corresponding is grid;If it is triode, then corresponding is base stage;If it is dedicated control IC, Then corresponding is control signal input.
Further, the copper foil that the signal detection is collected on the wiring board that coil is electric toothbrush carries out circular helical-line It is formed.
A kind of electric toothbrush wireless charger of low power consumption standby of the present invention, has following advantageous effect:
The first, good energy-conserving effect, after wireless charger of the present invention, electric toothbrush stand-by power consumption is only original 10%, effectively reduce the stand-by power consumption of electric toothbrush;
The second, compact, entire wireless charger realize that construction package quantity is few, function by circuit function module Component is arranged inside construction package, improves the compactedness of power toothbrush structure, effectively reduces entire wireless charger Volume improves its portability;
Third, of low cost, the functional unit of wireless charger is maturation process component, and production and assembly process is simple, Both material cost is saved, processing cost is also saved, reduces manufacturing cost.
Description of the drawings
Attached drawing 1 is a kind of charging principle figure of the electric toothbrush wireless charger of low power consumption standby of the present invention;
Fig. 2 is a kind of internal structure chart of the electric toothbrush wireless charger of low power consumption standby of the present invention;
Fig. 3 is a kind of partial structural diagram of the electric toothbrush wireless charger of low power consumption standby of the present invention;
Fig. 4 is a kind of spatial position figure of the electric toothbrush wireless charger of low power consumption standby of the present invention;
Fig. 5 is the circle that a kind of electric toothbrush wireless charger of low power consumption standby of the present invention is made using the copper foil on PCB Spiral helicine detection signal collection coil, current-limiting resistance physics associative structure schematic diagram;
Fig. 6 is the circle that a kind of electric toothbrush wireless charger of low power consumption standby of the present invention is made using the copper foil on PCB Spiral helicine detection signal collection coil, current-limiting resistance physics associative structure schematic diagram.
Specific implementation mode
In order that those skilled in the art will better understand the technical solution of the present invention, with reference to embodiment and attached drawing Product of the present invention is described in further detail.
As shown in figs. 1 to 6, the invention discloses a kind of electric toothbrush wireless charger of low power consumption standby, with with The electric toothbrush of radio energy receiving circuit matches, and the wireless charger includes that rechargeable energy transmitting coil, height take place frequently Transmit-receive radio road and micro energy lose control module;The micro energy lose control module includes detection signal collection coil, filter capacitor, rectification two Pole pipe, current-limiting resistance, bleeder resistor, field-effect tube, cathode and the detection signal collection coil of the rectifier diode are connected in A bit, the anode of the rectifier diode, filter condenser one end, one end of the bleeder resistor, the source electrode of field-effect tube are total It is same to be connected in together, the other end of the bleeder resistor, one end of current-limiting resistance, the grid of field-effect tube and the high-frequency emission The ground terminal of circuit is connected in a bit jointly, the detection other end of signal collection coil, the other end of filter capacitor, current limliting One end of resistance links together;The grid of the field-effect tube, the other end for the resistance that converges, the other end of current-limiting resistance are common It is connected together;The drain electrode of the field-effect tube signal output end and is connect in order to control with the control pole of high frequency transmission circuit.
As shown in Figure 5, Figure 6, in the present invention, the signal detection collects the copper on the wiring board that coil is electric toothbrush Foil carries out circular helical-line formation.The signal detection collects the helix for the circle that coil is made by the copper foil on wiring board 206 replace, and more cost-saving and space also more save technological design.
As shown in figs. 1 to 6, the operation principle of wireless charger of the present invention is:The radio energy receiving circuit is wireless The radio energy receiving coil 102 of electric toothbrush is connected, high frequency transmission circuit connects wireless charger transmitting coil 103, signal The collection coil 206 of detection is placed in the bottom of wireless charger transmitting coil 103, and when wireless charger works, working face will The transmitting of main electromagnetic energy is passed into the object radio energy receiving coil being electrically charged by magnetic field energy collection fasces 101 102.And the signal collection coil 206 of the bottom of transmitting coil 103, it is detected simultaneously by the electromagnetic field of high-frequency emission.And signal is examined The electromagnetic field detected is converted to electromotive force by the collection coil 206 of survey, by the rectification function of diode 201, to filtered electrical Container 202 charges, when the electric energy being charged on capacitor 202 is increased to the conducting threshold values of field-effect tube 205, field-effect tube 205 Conducting is relevant to source electrode and drain electrode short circuit, is equivalent to draw and has supported the control of high frequency transmission circuit, high-frequency circuit be stopped into Enter dormant state, at this time due to still remaining with the electricity stored on filter capacitor, and field-effect tube is maintained to continue to be connected, high-frequency electrical Road is always maintained at stop working state, only when the electricity on filter condenser 202 passes through bleeder resistor 204 and field-effect tube The internal resistance of 205 grids runs out of, and the loss of voltage on filter condenser 204, field-effect tube 205 immediately enters Disconnected mode, in It is that high-frequency circuit is resumed work, repeats the above process, the appropriate capacity for adjusting filter condenser 202, the resistance of bleeder resistor 204 Value, will adjust the time of high-frequency circuit suspend mode and per the time of task, the data in accompanying examples will generate each suspend mode 300ms, Per task 1ms.The number of turns of adjustment signal detection coil appropriate, enters suspend mode when by the electricity of adjustment charging to which kind of degree Pattern.
In order to further assess the technique effect of wireless charger of the present invention, further from the power consumption of wireless charger It generates angle progress principle and data analysis is as follows:
In wireless charger, charger stand-by power consumption is divided to two parts, a part that must be consumed for the working condition of setting Energy, generally less than 0.1W this is defined herein as P3, and another part is the transmitting coil of wireless charging to spatial emission electromagnetism The energy consumed when energy, generally accounts for the 90% of total power consumption, is calculated by 1 watt of standby power, is exactly 0.9 watt, this is defined herein as P4, method here are exactly to work, reach saving energy this 90% part in an intermittent fashion, are in micro energy lose shape State.
By taking working frequency is the wireless charger of 60KHz as an example, working method is as follows:
Per 300ms, work is primary, every time 3 periods, i.e., only works each second 10 periods,
Therefore the working time is:
T=10/60KHz=0.000167S,
Power consumption is also 0.000167 times originally
Therefore the power P 5 when low power consumption standby is 0.000167 times of P4:
P5=P4*0.000167=0.9*0.000167=0.00015W
Then total stand-by power consumption is:
P01=P3+P4=0.1+0.00015=0.10015W
Only original 0.10015 times, about 10%,
Average stand-by power consumption is as follows:Again for above, after low power consumption standby, the product monthly sold on day cat It is in the electric power consumed every year:
P11=190,000*0.10015*72=1370052WH=1,370.052kWh
Only original 0.10015 times, about 10%.
Therefore.Wireless charger power savings using the present invention are clearly.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form;It is all The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention;But it is all Those skilled in the art without departing from the scope of the present invention, using disclosed above technology contents The equivalent variations for a little variation, modification and evolution made are the equivalent embodiment of the present invention;Meanwhile it is all according to the present invention Substantial technological to the variation, modification and evolution etc. of any equivalent variations made by above example, still fall within the present invention's Within the protection domain of technical solution.

Claims (2)

1. a kind of electric toothbrush wireless charger of low power consumption standby, mating with the electric toothbrush with radio energy receiving circuit It uses, it is characterised in that:The wireless charger includes rechargeable energy transmitting coil, high frequency transmission circuit and micro energy lose control mould Block;
The micro energy lose control module includes detection signal collection coil, filter capacitor, rectifier diode, current-limiting resistance, aerial drainage Resistance, field-effect tube, cathode and the detection signal collection coil of the rectifier diode are connected in a bit, the rectifier diode Anode, filter condenser one end, one end of the bleeder resistor, field-effect tube source electrode be connected in jointly together, the inspection Survey the other end of signal collection coil, the other end of filter capacitor, current-limiting resistance one end link together;The field-effect tube Grid, the other end of bleeder resistor, the other end of current-limiting resistance are connected together jointly;The drain electrode of the field-effect tube is in order to control Signal output end is simultaneously connect with the control pole of high frequency transmission circuit;The output object of signal is controlled, it is corresponding for field-effect tube It is grid;Triode, corresponding is base stage;Dedicated control IC, corresponding is control signal input.
2. the electric toothbrush wireless charger of low power consumption standby according to claim 1, it is characterised in that:The detection letter Number collect coil by the wiring board of electric toothbrush copper foil make circular helical-line formed.
CN201510966073.0A 2015-12-22 2015-12-22 A kind of electric toothbrush wireless charger of low power consumption standby Active CN105471030B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510966073.0A CN105471030B (en) 2015-12-22 2015-12-22 A kind of electric toothbrush wireless charger of low power consumption standby

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510966073.0A CN105471030B (en) 2015-12-22 2015-12-22 A kind of electric toothbrush wireless charger of low power consumption standby

Publications (2)

Publication Number Publication Date
CN105471030A CN105471030A (en) 2016-04-06
CN105471030B true CN105471030B (en) 2018-08-31

Family

ID=55608468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510966073.0A Active CN105471030B (en) 2015-12-22 2015-12-22 A kind of electric toothbrush wireless charger of low power consumption standby

Country Status (1)

Country Link
CN (1) CN105471030B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005278273A (en) * 2004-03-24 2005-10-06 Matsushita Electric Ind Co Ltd Non-contact rechargeable information terminal device
CN103855764A (en) * 2014-01-14 2014-06-11 深圳市普林泰克科技有限公司 Algorithm for implementing standby mode of wireless charger
CN104467110A (en) * 2014-12-29 2015-03-25 深圳市航盛电子股份有限公司 Novel wireless charger and method for lowering wireless charging stand-by power consumption of novel wireless charger
CN205377332U (en) * 2015-12-22 2016-07-06 惠州欧捷威电器有限公司 Wireless charger of electric toothbrush of little consumption standby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005278273A (en) * 2004-03-24 2005-10-06 Matsushita Electric Ind Co Ltd Non-contact rechargeable information terminal device
CN103855764A (en) * 2014-01-14 2014-06-11 深圳市普林泰克科技有限公司 Algorithm for implementing standby mode of wireless charger
CN104467110A (en) * 2014-12-29 2015-03-25 深圳市航盛电子股份有限公司 Novel wireless charger and method for lowering wireless charging stand-by power consumption of novel wireless charger
CN205377332U (en) * 2015-12-22 2016-07-06 惠州欧捷威电器有限公司 Wireless charger of electric toothbrush of little consumption standby

Also Published As

Publication number Publication date
CN105471030A (en) 2016-04-06

Similar Documents

Publication Publication Date Title
CN103269132B (en) Sensor power supply method and power supply device
CN102273075B (en) Capacitative sensor system
CN105629065B (en) Micro-wave oven non-intruding discrimination method based on the analysis of average active reactive integral spectrum
CN104777383A (en) Non-invasive electrical load monitoring and load decomposing device
CN204156226U (en) A kind of smart jack
Gulati et al. CapHarvester: A stick-on capacitive energy harvester using stray electric field from AC power lines
CN103928991B (en) Magnetic resonance wireless electric energy transmission device based on PCB resonance coupling coil structures
CN202906511U (en) Charging system and charging base of electronic device
CN109494819A (en) A kind of charger and charging method
CN204205306U (en) Based on the Domestic distributing box of mobile module remote monitoring
CN201821169U (en) Wireless temperature terminal and self-acquisition power supply device
CN205157745U (en) Hold internal resistance of cell detecting system based on ARM7
CN105471030B (en) A kind of electric toothbrush wireless charger of low power consumption standby
JPWO2014184957A1 (en) Information output system, home energy management system, information output method, and program
CN205377332U (en) Wireless charger of electric toothbrush of little consumption standby
CN204330170U (en) High pressure passive and wireless temp measuring system
CN106300515B (en) Mobile terminal
CN115664045A (en) Non-contact electric field optimization energy taking method suitable for self energy taking of micro sensor
CN203660580U (en) Usb charging equipment
CN104124780A (en) Method and device for identifying payload
CN207317952U (en) A kind of power equipment surface temperature monitoring device
CN103094988B (en) The wireless circulating energy-storing device of alternative dry battery
CN106841764B (en) A method of output electric current measure is realized using MOSFET pipe internal resistance
CN207184696U (en) A kind of novel remote thunderbolt monitoring system applied to shaft tower
CN104266776A (en) Sensitive power-obtaining type temperature sensor based on acoustic surface waves

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant