CN208433785U - Wireless charger - Google Patents
Wireless charger Download PDFInfo
- Publication number
- CN208433785U CN208433785U CN201821231491.0U CN201821231491U CN208433785U CN 208433785 U CN208433785 U CN 208433785U CN 201821231491 U CN201821231491 U CN 201821231491U CN 208433785 U CN208433785 U CN 208433785U
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- China
- Prior art keywords
- circuit
- coil
- battery
- control circuit
- wireless charger
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- 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.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of wireless charger, the wireless charger includes shell, interior of shell is provided with battery, control circuit module and coil, the side of shell is arranged in the battery, the control circuit module is separately connected battery and coil, it is characterized by: the control circuit module includes electric power management circuit, receive circuit, transmit circuit, conversion circuit, the battery connects the electric power management circuit of the control circuit module, the reception circuit and transmit circuit are separately connected the electric power management circuit and conversion circuit, the conversion circuit connection of the control circuit module coil.The wireless charger of the utility model is by improving control circuit, wireless charging can be carried out to electrical equipments such as mobile phones by realizing, wireless charging can also be carried out to charger itself by coil, the charger of this programme is made truly to realize wireless charging.
Description
Technical field
The utility model relates to a kind of chargers, refer in particular to a kind of wireless charger.
Background technique
Wireless charger is a kind of equipment carried out using electromagnetic induction principle to charging to electrical equipment, and principle is similar to
Transformer in charger device and is electrically charged in equipment respectively and has a coil, and the coil generation at charger device end is concurrently delivered
Varying magnetic field, the coil reception alternating magnetic field being electrically charged in equipment induces response current and charges, with flying for smart phone
Speed development, more and more smart phones use the wireless charging technology of electromagnetic induction, but wireless charging on the market at present
Device mostly uses wired connection power supply or increases wireless charging function on the basis of charger baby, charger baby itself or needs
It is wired to charge, in consideration of it, it is necessary to design one kind wireless charging can be carried out to electrical equipment, can also be carried out to itself
The charger of wireless charging.
Summary of the invention
The purpose of this utility model is to provide a kind of wireless chargers, solve the deficiencies in the prior art, provide one kind
Wireless charging can be carried out to electrical equipment, the charger of wireless charging can also be carried out to itself.
In order to achieve the above objectives, the solution that the utility model is taken is: a kind of wireless charger, the wireless charging
Electric appliance includes shell, and interior of shell is provided with battery, control circuit module and coil, and the one of shell is arranged in the battery
Side, the control circuit module are separately connected battery and coil, and the control circuit module includes electric power management circuit, connects
Circuit, transmit circuit, conversion circuit are received, the battery connects the electric power management circuit of the control circuit module, described
It receives circuit and transmit circuit is separately connected the electric power management circuit and conversion circuit, the control circuit module
The conversion circuit connection coil.
The conversion circuit includes position detecting circuit and conversion switch, and the position detecting circuit is for examining
The direction of wireless charger coil is surveyed, the conversion switch receives circuit or transmit circuit for switching.
The coil is the planar coil of 20 ~ 30 circles.
The utility model compared with prior art, has the positive effect that: the wireless charger of the utility model passes through
Control circuit is improved, realization can carry out wireless charging to electrical equipments such as mobile phones, can also be by coil to charging
Device itself carries out wireless charging, and the charger of this programme is made truly to realize wireless charging.
Detailed description of the invention
Fig. 1 is the sectional view of the present embodiment.
Fig. 2 is the functional block diagram of the present embodiment.
In figure: 1, shell, 2, battery, 3, control circuit module, 4, coil, 31, electric power management circuit, 32, reception circuit,
33, transmit circuit, 34, conversion circuit.
Specific embodiment
The utility model is described again below with reference to embodiment and its attached drawing.
Shown in Figure 1, a kind of wireless charger, including shell 1 is installed with battery 2, control electricity in the shell 1
The side of shell 1 is arranged in road module 3 and coil 4, the coil 4, makes coil 4 when in use closer to other equipment, institute
The other side of shell 1 is arranged in the battery 2 stated, and can preferably radiate to battery 2, be arranged between the coil 4 and battery 2
There is control circuit module 3.
Shown in Figure 2, a kind of functional block diagram of wireless charger, the control circuit module 3 is separately connected 2 He of battery
Coil 4, the control circuit module 3 is by electric power management circuit 31, reception circuit 32, transmit circuit 33 and 34 groups of conversion circuit
At.The conversion circuit 34 includes position detecting circuit and conversion switch, the conversion circuit 34 connect coil 4,
Receive circuit 32 and transmit circuit 33, the detection wireless charger that position detecting circuit is used for, the i.e. direction of coil 4, towards packet
The side for including wireless charger coil 4 is downward or upward, as position detection circuit detects current wireless charger coil 4
Side downward, conversion switch be switched to receive circuit 32 connect, coil 4 pass through conversion circuit 34 in switch conversion
Circuit connection receives circuit 32 and connects electric power management circuit 31, and connects the charging of battery 2, carries out to realize to wireless charger
Charge electric energy supplement；If position detecting circuit detects the side of current wireless charger coil 4 upward, conversion switch is cut
It changes to and is connect with transmit circuit 33, coil 4 connects transmit circuit 33 by the conversion switch in conversion circuit 34 and connects electricity
Power management circuits 31, and connect battery 2 and power to coil 4, alternating magnetic field is generated on coil 4, to set to mobile phone etc.
It is standby to carry out wireless charging.
The position detecting circuit of the control circuit module 3 carries out position detection using mercury switch.
The position detecting circuit of the control circuit module 3 also can be used angle detection chip and carry out position detection.
The conversion switch of the control circuit module 3 uses two-way semiconductor switch pipe, and connection receives electricity all the way
Road 32, another way connect transmit circuit 33.
The reception circuit 32 includes filter rectifier, receives the alternate electrical signal to come to coil 4 and handles,
And it is charged by electric power management circuit 31 to battery 2.
The transmit circuit 33 includes inverter circuit, and the DC inverter that battery is sent is supplied electricity at high-frequency alternating
Coil 4 generates alternating electromagnetic field.
The electric power management circuit 31 carries out power management to battery, including to cell voltage and charging, discharge condition
It is monitored protection.
The coil 4 is the planar coil of 20 ~ 30 circles, it is preferred to use circle copper enameled wire coiling.
Claims (3)
1. a kind of wireless charger, the wireless charger includes shell (1), and shell (1) is internally provided with battery (2), control
Circuit module (3) processed and coil (4), the battery (2) are arranged in the side of shell (1), the control circuit module (3)
It is separately connected battery (2) and coil (4), it is characterised in that: the control circuit module (3) includes electric power management circuit
(31), circuit (32), transmit circuit (33), conversion circuit (34) are received, the battery (2) connects the control circuit module
(3) electric power management circuit (31), the reception circuit (32) and transmit circuit (33) are separately connected the power management
Circuit (31) and conversion circuit (34), conversion circuit (34) connection of the control circuit module (3) coil (4).
2. a kind of wireless charger according to claim 1, it is characterised in that: the conversion circuit (34) includes position
Detection circuit and conversion switch, the position detecting circuit is used to detect the direction of wireless charger coil (4), described
Conversion switch receive circuit (32) or transmit circuit (33) for switching.
3. a kind of wireless charger according to claim 1, it is characterised in that: the coil (4) is the flat of 20 ~ 30 circles
Planar coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231491.0U CN208433785U (en) | 2018-08-01 | 2018-08-01 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231491.0U CN208433785U (en) | 2018-08-01 | 2018-08-01 | Wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433785U true CN208433785U (en) | 2019-01-25 |
Family
ID=65097685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821231491.0U Expired - Fee Related CN208433785U (en) | 2018-08-01 | 2018-08-01 | Wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208433785U (en) |
-
2018
- 2018-08-01 CN CN201821231491.0U patent/CN208433785U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20210801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |