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CN109638973A - Wireless charger - Google Patents

Wireless charger Download PDF

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Publication number
CN109638973A
CN109638973A CN201811453477.XA CN201811453477A CN109638973A CN 109638973 A CN109638973 A CN 109638973A CN 201811453477 A CN201811453477 A CN 201811453477A CN 109638973 A CN109638973 A CN 109638973A
Authority
CN
China
Prior art keywords
voltage conversion
electrically connected
hole
conversion circuit
shell
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.)
Pending
Application number
CN201811453477.XA
Other languages
Chinese (zh)
Inventor
李贡献
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.)
Shenzhen Ranvoo Technology Co Ltd
Original Assignee
Shenzhen Ranvoo Technology 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 Shenzhen Ranvoo Technology Co Ltd filed Critical Shenzhen Ranvoo Technology Co Ltd
Priority to CN201811453477.XA priority Critical patent/CN109638973A/en
Publication of CN109638973A publication Critical patent/CN109638973A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/025—

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of wireless chargers, comprising: voltage converts shell, voltage conversion circuit, wireless transmission shell, switching tube, capacitor and wireless transmission coil；In voltage conversion shell, switching tube, capacitor and wireless transmission coil are arranged in wireless transmission shell for voltage conversion circuit setting；Voltage conversion circuit is adjusted the size of the output voltage of direct current supply and the direct current after adjusting is directly inputted to switching tube.The voltage conversion circuit setting of this wireless charger is in voltage conversion shell, switching tube, capacitor and wireless transmission coil are arranged in wireless transmission shell, voltage conversion circuit is adjusted the size of the output voltage of direct current supply and the direct current after adjusting is directly inputted to switching tube, it only needs to transmit direct current between voltage conversion shell and wireless transmission shell, the problem of so as to avoid high-frequency alternating current bring signal interference.

Description

Wireless charger
Technical field
The present invention relates to wireless charging field more particularly to a kind of wireless chargers.
Background technique
With the rapid development of science and technology, wireless charging technology has come into people's lives.Some electronics are set It is standby, such as mobile phone can charge using wireless charger, when charging the phone directly be placed on mobile phone on wireless charger i.e. It can.
As the battery capacity of the electronic equipments such as mobile phone constantly increases, the power of wireless charger is also become greatly, from most 5W, 7.5W of beginning, arrive 10W, 15W, and wireless fast charge has gone to practical application level.However, due to current electromagnetic induction The charge efficiency of formula wireless charger only has 70% or so, with the rising of the power of wireless charger, the hair of wireless charger Heat problem has become a restriction wireless charger power and continues an important factor for rising.
It has had already appeared in the prior art and has been separately positioned on the transmitting coil of wireless charger and radio transmitter not With shell in, the side that is electrically connected transmitting coil and radio transmitter by the longer high-frequency ac power transmission line of a root long degree Case.The program avoids the concentration of heat by the way that radio transmitter to be separately positioned in different shells from transmitting coil, In practical application, can preferably avoid the part contacted with electronic equipments such as mobile phones from generating excessive heat, to solve The heat dissipation problem of wireless charger.
However, need to be electrically connected transmitting coil and radio transmitter by high-frequency ac power transmission line in above scheme, The problem of high-frequency alternating current can bring signal interference when transmitting in high-frequency ac power transmission line, thus to the normal work of electronic equipment It impacts.
Summary of the invention
Based on this, it is necessary to which providing one kind can be to avoid the wireless charger for generating signal interference.
A kind of wireless charger, comprising: voltage converts shell, voltage conversion circuit, wireless transmission shell, switching tube, electricity Container and wireless transmission coil；
Voltage conversion circuit setting is in voltage conversion shell, the switching tube, the capacitor and described Wireless transmission coil is arranged in the wireless transmission shell, and the voltage conversion shell and the wireless transmission shell can phases Mutually it is independently arranged；
For being electrically connected direct current supply, the other end of the voltage conversion circuit is used for for one end of the voltage conversion circuit It is electrically connected with the switching tube, the voltage conversion circuit is used to that the size of the output voltage of the direct current supply to be adjusted And the direct current after adjusting is directly inputted to the switching tube；
It is electrically connected after the capacitor and the wireless transmission coils from parallel connection of coils with the switching tube.
The voltage conversion circuit setting of this wireless charger is in voltage conversion shell, switching tube, capacitor and wireless Transmitting coil is arranged in wireless transmission shell, and voltage conversion shell and wireless transmission shell can be arranged independently of each other, passes through Separate type setting, can be all disposed in the same shell, to reach to avoid all heater elements in wireless charger The purpose of heat is reduced, simultaneously as voltage conversion circuit is used to that the size of the output voltage of direct current supply to be adjusted simultaneously Direct current after adjusting is directly inputted to switching tube, only needs to transmit direct current between voltage conversion shell and wireless transmission shell Electricity, the problem of so as to avoid high-frequency alternating current bring signal interference.
Detailed description of the invention
Fig. 1 is the schematic illustration of the wireless charger of an embodiment.
Fig. 2 is the schematic illustration of the wireless charger of another embodiment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention Mode is further described.
The wireless charger 100 of an embodiment as shown in Figure 1, comprising: voltage converts shell 110, voltage conversion electricity Road 120, control module 130, conducting wire 140, wireless transmission shell 150, switching tube 160, capacitor 170 and wireless transmission coil 180。
Voltage conversion circuit 120 and control module 130 are arranged in voltage conversion shell 110, switching tube 160, capacitor Device 170 and wireless transmission coil 180 are arranged in wireless transmission shell 150, and voltage converts shell 110 and wireless transmission shell 150 can be arranged independently of each other.
In other implementations, control module 130 also can be omitted.
One end of voltage conversion circuit 120 for being electrically connected direct current supply, the other end of voltage conversion circuit 120 be used for Switching tube 160 is electrically connected, and voltage conversion circuit 120 is used to that the size of the output voltage of direct current supply to be adjusted and will adjust Direct current afterwards is directly inputted to switching tube 160.
Control module 130 is electrically connected with voltage conversion circuit 120, and control module 130 is used for voltage conversion circuit 120 Working condition is controlled.
Direct current supply in present embodiment is the external power supplies such as adapter, onboard charger.
Direct current after adjusting is directly inputted to switching tube 160 and referred to by voltage conversion circuit 120: voltage conversion circuit Direct current after adjusting is directly inputted to switching tube 160, voltage conversion circuit 120 by conducting wire (and/or electric connector) by 120 There is no any component for converting and/or controlling for electric energy between switching tube 160.
In present embodiment, voltage conversion circuit 120 and switching tube 160 are electrically connected by conducting wire 140.Implement in others In mode, conducting wire 140 also be can be omitted.
It is electrically connected after 180 parallel connection of capacitor 170 and wireless transmission coil with switching tube 160.Switching tube 160 is preferably MOS Pipe.
Capacitor 170 and wireless transmission coil 180 in parallel constitutes LC oscillating circuit, so that switching tube 160 be transmitted The high-frequency alternating current to come over is converted into magnetic field energy.
Preferably, control module 130 is also electrically connected with switching tube 160, control module 130 also with capacitor 170 in parallel It is electrically connected with wireless transmission coil 180.
The setting of voltage conversion circuit 120 of this wireless charger 100 is converted in shell 110 in voltage, switching tube 160, Capacitor 170 and wireless transmission coil 180 are arranged in wireless transmission shell 150, and voltage converts shell 110 and wireless transmission Shell 150 can be arranged independently of each other.It is arranged by separate type, it can be to avoid all heater elements in wireless charger 100 Be all disposed in the same shell, thus achieved the purpose that reduce heat, simultaneously as voltage conversion circuit 120 for pair The size of the output voltage of direct current supply is adjusted and the direct current after adjusting is directly inputted to switching tube 160, and voltage turns It changes between shell 110 and wireless transmission shell 150 and only needs to transmit direct current, so as to avoid high-frequency alternating current bring signal The problem of interference.
In present embodiment, voltage converts shell 110 and is equipped with first through hole, and one end of conducting wire 140 passes through first through hole It is electrically connected and secured on together with the other end of voltage conversion circuit 120 afterwards, which preferably welds.Outside wireless transmission Shell 150 is equipped with the second through-hole, and the other end of conducting wire 140 is electrically connected and secured on one with switching tube 160 after the second through-hole It rises, which preferably welds.
In another embodiment, voltage conversion shell 110 is equipped with first through hole, and one end of conducting wire 140 passes through first It is electrically connected and secured on together after through-hole with the other end of voltage conversion circuit 120, which preferably welds, conducting wire 140 other end is equipped with the first electric connector.Wireless transmission shell 150 is equipped with the second through-hole, and the second through hole is equipped with second The pin of electric connector, the second electric connector is electrically connected with switching tube 160, and the first electric connector can phase with the second electric connector Mutual grafting mutually abuts realization electrical connection.First electric connector and the second electric connector are with no restrictions, it is only necessary to can be each other Cooperation.
In another embodiment, voltage conversion shell 110 is equipped with first through hole, is equipped with first at first through hole and is electrically connected Device is connect, the pin of the first electric connector is electrically connected with the other end of voltage conversion circuit 120.Wireless transmission shell 150 is equipped with Second through-hole is electrically connected and secured on together after the second through-hole of one end of conducting wire 140 with switching tube 160, and the fixed form is preferred The other end for welding, conducting wire 140 is equipped with the second electric connector, and the first electric connector can be mutually inserted with the second electric connector Or it mutually abuts and realizes electrical connection.First electric connector and the second electric connector are with no restrictions, it is only necessary to can be fitted to each other i.e. It can.
In yet another embodiment, voltage conversion shell 110 is equipped with first through hole, is equipped with first at first through hole and is electrically connected Device is connect, the pin of the first electric connector is electrically connected with the other end of voltage conversion circuit 120.Wireless transmission shell 150 is equipped with Second through-hole, the second through hole are equipped with the second electric connector, and the pin of the second electric connector is electrically connected with switching tube 160.At this In embodiment, additional configuration conducting wire 140 may not need, the first electric connector and the second electric connector pass through common charging cable Electrical connection.It is electrically connected alternatively, the first electric connector mutually abuts realization with the second electric connector.Or first be electrically connected It connects device and the second electric connector and is mutually inserted realization and be electrically connected.
Preferably, in present embodiment, the outer surface that voltage converts shell 110 is equipped with to match with wireless transmission shell 150 The buckle structure of conjunction, wireless transmission shell 150 can be buckled with buckle structure, so that wireless transmission shell 150 is detachable Be fixed on voltage conversion shell 110 on.
It is furthermore preferred that the outer surface that buckle structure can convert shell 110 with voltage is cooperatively formed for accommodating wireless hair Penetrate the groove of shell 150.
It realizes that wireless transmission shell 150 and voltage convert being detachably connected between shell 110 by buckle, improves nothing The portability that line charge electric appliance 100 integrally uses.
Particularly, voltage conversion shell 110 is equipped with the first electric contact being electrically connected with voltage conversion circuit 120, wirelessly Transmitting shell 150 is equipped with the second electric contact being electrically connected with switching tube 160, turns when wireless transmission shell 150 is fixed on voltage When changing on shell 110, the first electric contact and the second electric contact abut to realize electrical connection.First electric contact and the second electric contact Both preferably spring needle.
When wireless transmission shell 150 is fixed on voltage conversion shell 110, the first electric contact and the second electric contact are abutted To realize electrical connection, use more convenient.
Preferably, the wireless charger 100 of present embodiment further includes detection module, detection module respectively with control module 130 and first electric contact electrical connection, with detect the first electric contact working condition.When detection module detect the first electric contact with When second electric contact is electrically connected, the upper limit that control module 130 converts the voltage into the output power of circuit 120 is limited to 5W~10W (preferably 7.5W).When detection module detects that the first electric contact is not electrically connected with the second electric contact, control module 130 is released Restriction to the upper limit of the output power of voltage conversion circuit 120.
It is detected by state of the detection module to the first electric contact, when detecting the first electric contact and the second electric contact When electrical connection, control module 130 is defined the output power of voltage conversion circuit 120, so as to avoid wireless transmission is worked as When shell 150 is fixed on voltage conversion shell 110, avoids wireless charger 100 from carrying out high-power wireless charging, cause heat Accumulation.When detecting that the first electric contact is not electrically connected with the second electric contact, control module 130 is released to voltage conversion circuit The restriction of 120 output power, wireless transmission shell 150 and voltage conversion shell 110 separate at this time, and wireless charger 100 can To carry out high power discharge.
Preferably, detection module is also used to be electrically connected with wireless transmission coil 180.
In present embodiment, wireless charger 100 further includes charging interface 112, one end of charging interface 112 be used for it is straight Stream power supply electrical connection, and the other end of charging interface 112 is electrically connected with one end of voltage conversion circuit 120.Voltage conversion is outer Shell 110 is equipped with charging through-hole, and the setting of charging interface 112 is in power supply through hole.
In another embodiment, wireless charger 100 further includes charging interface and charging conductor, and voltage converts shell 110 are equipped with charging through-hole.One end of charging interface for being electrically connected with direct current supply, and the other end of charging interface with fill One end of electric lead is electrically connected and secured on together, which preferably welds, and the other end of charging conductor passes through charging It is electrically connected and secured on together after through-hole with one end of voltage conversion circuit 120, which preferably welds.
The wireless charger 200 of another embodiment as shown in Figure 2, comprising: voltage convert shell 210, battery core 212, Protect circuit 214, battery core charging interface 216, voltage conversion circuit 220, control module 230, conducting wire 240, wireless transmission shell 250, switching tube 260, capacitor 270 and wireless transmission coil 280.
It is to increase battery core 212, protection circuit 214 and battery core charging with the maximum difference of wireless charger 200 Mouth 216 is equipped with battery core charging through-hole on voltage conversion shell 210, and the setting of battery core charging interface 216 is in battery core charging through-hole Place.
Battery core 212 is electrically connected by protection circuit 214 with one end of voltage conversion circuit 220, battery core charging interface 216 For being electrically connected with external power supply, the other end of battery core charging interface 216 is electrically connected by voltage conversion circuit 220 with battery core for one end It connects.
The battery core 212 is preferably lithium ion battery or poly-lithium battery.Protection circuit 214 is protected for protecting battery core 212 Protection circuit 214 is that battery core 212 provides the last layer protection.In some special embodiments, protection circuit 214 can also be saved Slightly.
Due to being provided with direct current supply (battery core 212) in voltage conversion shell 210, which is actually One wireless charging is precious, acts not only as wireless charger, is also used as charger baby.
In addition to increasing battery core 212, protection circuit 214, other than battery core charging interface 216, other in wireless charger 100 Element and function, which can directly cover, to be used in wireless charger 200.
Battery core 212, protection circuit 214, voltage conversion circuit 220 and control module 230 are arranged at voltage conversion shell In 210, switching tube 260, capacitor 270 and wireless transmission coil 280 are arranged in wireless transmission shell 250, voltage conversion Shell 210 and wireless transmission shell 250 can be arranged independently of each other.
In other implementations, control module 230 also can be omitted.
One end of voltage conversion circuit 220 for being electrically connected battery core 212, the other end of voltage conversion circuit 220 be used for Switching tube 260 is electrically connected, and voltage conversion circuit 220 is used to that the size of the output voltage of direct current supply to be adjusted and will adjust Direct current afterwards is directly inputted to switching tube 260.
Control module 230 is electrically connected with voltage conversion circuit 220, and control module 230 is used for voltage conversion circuit 220 Working condition is controlled.
Direct current supply in present embodiment is the external power supplies such as adapter, onboard charger.
Direct current after adjusting is directly inputted to switching tube 260 and referred to by voltage conversion circuit 220: voltage conversion circuit Direct current after adjusting is directly inputted to switching tube 260, voltage conversion circuit 220 by conducting wire (and/or electric connector) by 220 There is no any component for converting and/or controlling for electric energy between switching tube 260.
In present embodiment, voltage conversion circuit 220 and switching tube 260 are electrically connected by conducting wire 240.Implement in others In mode, conducting wire 240 also be can be omitted.
It is electrically connected after 280 parallel connection of capacitor 270 and wireless transmission coil with switching tube 260.Switching tube 260 is preferably MOS Pipe.
Capacitor 270 and wireless transmission coil 280 in parallel constitutes LC oscillating circuit, so that switching tube 260 be transmitted The high-frequency alternating current to come over is converted into magnetic field energy.
Preferably, control module 230 is also electrically connected with switching tube 260, control module 230 also with capacitor 270 in parallel It is electrically connected with wireless transmission coil 280.
The setting of voltage conversion circuit 220 of this wireless charger 200 is converted in shell 210 in voltage, switching tube 260, Capacitor 270 and wireless transmission coil 280 are arranged in wireless transmission shell 250, and voltage converts shell 210 and wireless transmission Shell 250 can be arranged independently of each other.It is arranged by separate type, it can be to avoid all heater elements in wireless charger 200 Be all disposed in the same shell, thus achieved the purpose that reduce heat, simultaneously as voltage conversion circuit 220 for pair The size of the output voltage of direct current supply is adjusted and the direct current after adjusting is directly inputted to switching tube 260, and voltage turns It changes between shell 210 and wireless transmission shell 250 and only needs to transmit direct current, so as to avoid high-frequency alternating current bring signal The problem of interference.
In present embodiment, voltage converts shell 210 and is equipped with first through hole, and one end of conducting wire 240 passes through first through hole It is electrically connected and secured on together with the other end of voltage conversion circuit 220 afterwards, which preferably welds, conducting wire 240 The other end is equipped with the first electric connector.Wireless transmission shell 250 is equipped with the second through-hole, and the second through hole is equipped with the second electrical connection The pin of device, the second electric connector is electrically connected with switching tube 260, and the first electric connector can be mutually inserted with the second electric connector Or it mutually abuts and realizes electrical connection.First electric connector and the second electric connector are with no restrictions, it is only necessary to can be fitted to each other i.e. It can.
Preferably, voltage conversion shell 210 is equipped with the take-up slot for accommodating conducting wire 240.
In another embodiment, voltage conversion shell 210 is equipped with first through hole, is equipped with first at first through hole and is electrically connected Device is connect, the pin of the first electric connector is electrically connected with the other end of voltage conversion circuit 220.Wireless transmission shell 250 is equipped with Second through-hole is electrically connected and secured on together after the second through-hole of one end of conducting wire 240 with switching tube 260, and the fixed form is preferred The other end for welding, conducting wire 240 is equipped with the second electric connector, and the first electric connector can be mutually inserted with the second electric connector Or it mutually abuts and realizes electrical connection.First electric connector and the second electric connector are with no restrictions, it is only necessary to can be fitted to each other i.e. It can.
In yet another embodiment, voltage conversion shell 210 is equipped with first through hole, is equipped with first at first through hole and is electrically connected Device is connect, the pin of the first electric connector is electrically connected with the other end of voltage conversion circuit 220.Wireless transmission shell 250 is equipped with Second through-hole, the second through hole are equipped with the second electric connector, and the pin of the second electric connector is electrically connected with switching tube 260.At this In embodiment, additional configuration conducting wire 240 may not need, the first electric connector and the second electric connector pass through common charging cable Electrical connection.It is electrically connected alternatively, the first electric connector mutually abuts realization with the second electric connector.Or first be electrically connected It connects device and the second electric connector and is mutually inserted realization and be electrically connected.
Preferably, in present embodiment, the outer surface that voltage converts shell 210 is equipped with to match with wireless transmission shell 250 The buckle structure of conjunction, wireless transmission shell 250 can be buckled with buckle structure, so that wireless transmission shell 250 is detachable Be fixed on voltage conversion shell 210 on.
It is furthermore preferred that the outer surface that buckle structure can convert shell 210 with voltage is cooperatively formed for accommodating wireless hair Penetrate the groove of shell 250.
It realizes that wireless transmission shell 250 and voltage convert being detachably connected between shell 210 by buckle, improves nothing The portability that line charge electric appliance 200 integrally uses.
Particularly, voltage conversion shell 210 is equipped with the first electric contact being electrically connected with voltage conversion circuit 220, wirelessly Transmitting shell 250 is equipped with the second electric contact being electrically connected with switching tube 260, turns when wireless transmission shell 250 is fixed on voltage When changing on shell 210, the first electric contact and the second electric contact abut to realize electrical connection.First electric contact and the second electric contact Both preferably spring needle.
When wireless transmission shell 250 is fixed on voltage conversion shell 210, the first electric contact and the second electric contact are abutted To realize electrical connection, use more convenient.
Preferably, the wireless charger 200 of present embodiment further includes detection module, detection module respectively with control module 230 and first electric contact electrical connection, with detect the first electric contact working condition.When detection module detect the first electric contact with When second electric contact is electrically connected, the upper limit that control module 230 converts the voltage into the output power of circuit 220 is limited to 5W~10W (preferably 7.5W).When detection module detects that the first electric contact is not electrically connected with the second electric contact, control module 230 is released Restriction to the upper limit of the output power of voltage conversion circuit 220.
It is detected by state of the detection module to the first electric contact, when detecting the first electric contact and the second electric contact When electrical connection, control module 230 is defined the output power of voltage conversion circuit 220, so as to avoid wireless transmission is worked as When shell 250 is fixed on voltage conversion shell 210, avoids wireless charger 200 from carrying out high-power wireless charging, cause heat Accumulation.When detecting that the first electric contact is not electrically connected with the second electric contact, control module 230 is released to voltage conversion circuit The restriction of 220 output power, wireless transmission shell 250 and voltage conversion shell 210 separate at this time, and wireless charger 200 can To carry out high power discharge.
Preferably, detection module is also used to be electrically connected with wireless transmission coil 280.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1.一种无线充电器，其特征在于，包括：电压转换外壳、电压转换电路、无线发射外壳、开关管、电容器和无线发射线圈；1. A wireless charger, characterized in that, comprising: a voltage conversion casing, a voltage conversion circuit, a wireless transmitting casing, a switch tube, a capacitor and a wireless transmitting coil; 所述电压转换电路设置在所述电压转换外壳内，所述开关管、所述电容器和所述无线发射线圈均设置在所述无线发射外壳内，所述电压转换外壳和所述无线发射外壳可相互独立设置；The voltage conversion circuit is arranged in the voltage conversion housing, the switch tube, the capacitor and the wireless transmission coil are all arranged in the wireless transmission housing, and the voltage conversion housing and the wireless transmission housing can be set independently of each other; 所述电压转换电路的一端用于电连接直流供电，所述电压转换电路的另一端用于与所述开关管电连接，所述电压转换电路用于对所述直流供电的输出电压的大小进行调节并将调节后的直流电直接输入到所述开关管；One end of the voltage conversion circuit is used for electrical connection with the DC power supply, the other end of the voltage conversion circuit is used for electrical connection with the switch tube, and the voltage conversion circuit is used for the magnitude of the output voltage of the DC power supply. Adjust and directly input the adjusted direct current to the switch tube; 所述电容器和所述无线发射线圈并联后与所述开关管电连接。The capacitor is connected in parallel with the wireless transmitting coil and is electrically connected to the switch tube. 2.根据权利要求1所述的无线充电器，其特征在于，还包括导线；2. The wireless charger of claim 1, further comprising a wire; 所述电压转换外壳上设有第一通孔，所述导线的一端穿过所述第一通孔后与所述电压转换电路的另一端电连接并固定在一起；The voltage conversion shell is provided with a first through hole, and one end of the wire passes through the first through hole and is electrically connected to and fixed together with the other end of the voltage conversion circuit; 所述无线发射外壳上设有第二通孔，所述导线的另一端穿过所述第二通孔后与所述开关管电连接并固定在一起。The wireless transmitting shell is provided with a second through hole, and the other end of the wire passes through the second through hole and is electrically connected with the switch tube and fixed together. 3.根据权利要求1所述的无线充电器，其特征在于，还包括导线；3. The wireless charger of claim 1, further comprising a wire; 所述电压转换外壳上设有第一通孔，所述导线的一端穿过所述第一通孔后与所述电压转换电路的另一端电连接并固定在一起，所述导线的另一端设有第一电连接器；The voltage conversion shell is provided with a first through hole, one end of the wire passes through the first through hole and is electrically connected and fixed with the other end of the voltage conversion circuit, and the other end of the wire is provided with a first through hole. there is a first electrical connector; 所述无线发射外壳上设有第二通孔，所述第二通孔处设有第二电连接器，所述第二电连接器的引脚与所述开关管电连接，所述第一电连接器与所述第二电连接器相互插接或相互抵接实现电连接。The wireless transmitting shell is provided with a second through hole, the second through hole is provided with a second electrical connector, the pins of the second electrical connector are electrically connected with the switch tube, and the first electrical connector is electrically connected to the switch tube. The electrical connector and the second electrical connector are plugged or abutted with each other to achieve electrical connection. 4.根据权利要求1所述的无线充电器，其特征在于，还包括导线；4. The wireless charger of claim 1, further comprising a wire; 所述电压转换外壳上设有第一通孔，所述第一通孔处设有第一电连接器，所述第一电连接器的引脚与所述电压转换电路的另一端电连接；The voltage conversion shell is provided with a first through hole, a first electrical connector is arranged at the first through hole, and the pin of the first electrical connector is electrically connected to the other end of the voltage conversion circuit; 所述无线发射外壳上设有第二通孔，所述导线的一端穿过所述第二通孔后与所述开关管电连接并固定在一起，所述导线的另一端设有第二电连接器，所述第一电连接器与所述第二电连接器相互插接或相互抵接实现电连接。The wireless transmitting shell is provided with a second through hole, one end of the wire passes through the second through hole and is electrically connected to and fixed with the switch tube, and the other end of the wire is provided with a second electric wire. A connector, the first electrical connector and the second electrical connector are plugged or abutted with each other to achieve electrical connection. 5.根据权利要求1所述的无线充电器，其特征在于，所述电压转换外壳上设有第一通孔，所述第一通孔处设有第一电连接器，所述第一电连接器的引脚与所述电压转换电路的另一端电连接；5 . The wireless charger according to claim 1 , wherein a first through hole is formed on the voltage conversion housing, a first electrical connector is arranged at the first through hole, and the first electrical connector is arranged at the first through hole. 6 . The pin of the connector is electrically connected with the other end of the voltage conversion circuit; 所述无线发射外壳上设有第二通孔，所述第二通孔处设有第二电连接器，所述第二电连接器的引脚与所述开关管电连接；A second through hole is arranged on the wireless transmitting casing, a second electrical connector is arranged at the second through hole, and the pins of the second electrical connector are electrically connected with the switch tube; 所述第一电连接器与所述第二电连接器通过充电线电连接；或者，所述第一电连接器与所述第二电连接器相互抵接实现电连接；或者，所述第一电连接器与所述第二电连接器相互插接实现电连接。The first electrical connector and the second electrical connector are electrically connected through a charging cable; or, the first electrical connector and the second electrical connector abut each other to achieve electrical connection; or, the first electrical connector An electrical connector is plugged with the second electrical connector to achieve electrical connection. 6.根据权利要求1所述的无线充电器，其特征在于，所述电压转换外壳的外表面设有与所述无线发射外壳相配合的卡扣结构，所述无线发射外壳与所述卡扣结构卡扣，从而使得所述无线发射外壳和所述电压转换外壳可拆卸的固定在一起。6 . The wireless charger according to claim 1 , wherein the outer surface of the voltage conversion casing is provided with a buckle structure matched with the wireless transmission casing, and the wireless transmission casing is connected to the buckle structure. 7 . The structure is buckled, so that the wireless transmission casing and the voltage conversion casing are detachably fixed together. 7.根据权利要求6所述的无线充电器，其特征在于，所述电压转换外壳上设有与电压转换电路电连接的第一电触点，所述无线发射外壳上设有与开关管电连接的第二电触点，当所述无线发射外壳固定在所述电压转换外壳上时，所述第一电触点和所述第二电触点抵接从而实现电连接；7 . The wireless charger according to claim 6 , wherein the voltage conversion housing is provided with a first electrical contact that is electrically connected to the voltage conversion circuit, and the wireless transmitter housing is provided with electrical contacts with the switch tube. 8 . a connected second electrical contact, when the wireless transmitting housing is fixed on the voltage conversion housing, the first electrical contact and the second electrical contact abut to achieve electrical connection; 所述无线充电器还包括控制模块和检测模块，所述控制模块和所述检测模块设置在所述电压转换外壳内，所述控制模块与所述电压转换电路电连接，所述检测模块分别与所述控制模块和所述第一电触点电连接；The wireless charger further includes a control module and a detection module, the control module and the detection module are arranged in the voltage conversion housing, the control module is electrically connected to the voltage conversion circuit, and the detection module is respectively connected to the voltage conversion circuit. the control module is electrically connected to the first electrical contact; 当所述检测模块检测到所述第一电触点与所述第二电触点电连接时，所述控制模块将所述电压转换电路的输出功率的上限限定为5W～10W。When the detection module detects that the first electrical contact is electrically connected to the second electrical contact, the control module limits the upper limit of the output power of the voltage conversion circuit to 5W˜10W. 8.根据权利要求1～7中任一项所述的无线充电器，其特征在于，还包括充电接口，所述充电接口的一端用于与所述直流供电电连接，并且所述充电接口的另一端与所述电压转换电路的一端电连接；8. The wireless charger according to any one of claims 1 to 7, further comprising a charging interface, one end of the charging interface is used for electrical connection with the DC power supply, and a terminal of the charging interface is The other end is electrically connected to one end of the voltage conversion circuit; 所述电压转换外壳上设有充电通孔，所述充电接口设置在所述充电通孔处。The voltage conversion casing is provided with a charging through hole, and the charging interface is arranged at the charging through hole. 9.根据权利要求1～7中任一项所述的无线充电器，其特征在于，还包括充电接口和充电导线，所述电压转换外壳上设有充电通孔；9 . The wireless charger according to claim 1 , further comprising a charging interface and a charging wire, and a charging through hole is provided on the voltage conversion housing; 10 . 所述充电接口的一端用于与所述直流供电电连接，并且所述充电接口的另一端与所述充电导线的一端电连接并固定在一起，所述充电导线的另一端穿过所述充电通孔后与所述电压转换电路的一端电连接并固定在一起。One end of the charging interface is used for electrical connection with the DC power supply, and the other end of the charging interface is electrically connected and fixed with one end of the charging wire, and the other end of the charging wire passes through the charging wire The through hole is then electrically connected to one end of the voltage conversion circuit and fixed together. 10.根据权利要求1、3～7中任一项所述的无线充电器，其特征在于，还包括电芯和电芯充电接口，所述电芯设置在所述电压转换外壳内，并且所述电芯与所述电压转换电路的一端电连接；10. The wireless charger according to any one of claims 1, 3 to 7, further comprising a battery cell and a battery cell charging interface, wherein the battery cell is arranged in the voltage conversion housing, and the the battery cell is electrically connected to one end of the voltage conversion circuit; 所述电压转换外壳上设有电芯充电通孔，所述电芯充电接口设置在所述电芯充电通孔处，所述电芯充电接口通过所述电压转换电路与所述电芯电连接。The voltage conversion shell is provided with a battery cell charging through hole, the battery cell charging interface is arranged at the battery cell charging through hole, and the battery cell charging interface is electrically connected to the battery cell through the voltage conversion circuit .
CN201811453477.XA 2018-11-30 2018-11-30 Wireless charger Pending CN109638973A (en)

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Publication number Priority date Publication date Assignee Title
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CN103715781A (en) * 2014-01-06 2014-04-09 邢益涛 Novel wireless charging transmission device
CN205791602U (en) * 2016-05-20 2016-12-07 卢龙辉 Shell and wireless charger for wireless charger
CN108418282A (en) * 2018-04-27 2018-08-17 深圳市智创无限科技有限公司 Wireless charger structure
CN210041438U (en) * 2018-12-03 2020-02-07 邢益涛 Wireless energy transmission device with noise reduction design

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201422022Y (en) * 2008-12-12 2010-03-10 刘昌荣 Wireless charging device
US20110316476A1 (en) * 2010-06-25 2011-12-29 Sony Corporation Non-contact charge and communication system
CN103683441A (en) * 2012-09-12 2014-03-26 鸿富锦精密工业（深圳）有限公司 Wireless charger and wireless charging system
CN103715781A (en) * 2014-01-06 2014-04-09 邢益涛 Novel wireless charging transmission device
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