CN207134841U - Charging circuit and its socket for socket - Google Patents
Charging circuit and its socket for socket Download PDFInfo
- Publication number
- CN207134841U CN207134841U CN201720629305.8U CN201720629305U CN207134841U CN 207134841 U CN207134841 U CN 207134841U CN 201720629305 U CN201720629305 U CN 201720629305U CN 207134841 U CN207134841 U CN 207134841U
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- Prior art keywords
- circuit
- electric power
- power output
- charging
- filter
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
It the utility model is related to the charging circuit and its socket for socket.Charging circuit includes：One the first rectification circuit, first filter circuit, a DC DC translation circuit, a governor circuit, second rectification circuit, second filter circuit, a control circuit and an electric power output circuit.Wherein, if the control circuit is for detecting that the electric current of the electric power output circuit is less than or equal to predetermined threshold value, the electric power output circuit is cut off.In such manner, it is possible to avoid after equipment is fully charged due to do not extract in time and caused by damage.
Description
Technical field
It the utility model is related to charging field, particularly a kind of charging circuit for socket.In addition, the utility model is also
It is related to the socket using the charging circuit.
Background technology
With the rapid development of technology, various smart machines have become instrument essential in people's daily life.
Because the power consumption of smart machine is general very big, so user needs often charging.
Many times, smart machine is connected by user with socket charged after can not extract in time.So, even if intelligence
Equipment fills with electricity, and socket still can constantly convey electricity to smart machine, and then causes body temperature rise and shape
It is very big to the cell damage in smart machine into trickle charge.
Utility model content
In view of this, the utility model proposes the charging circuit and its socket for socket, in time to be fully charged
Device powers down.
On the one hand the utility model provides the charging circuit for socket, including：One the first rectification circuit, one first
Filter circuit, a DC-DC conversion circuit, a governor circuit, second rectification circuit, the second filter circuit, one
Individual control circuit and an electric power output circuit.
Wherein, the input connection AC power of the first rectification circuit.The input connection described the of first filter circuit
The output end of one rectification circuit.The input of DC-DC conversion circuit connects the output end of first filter circuit.Governor circuit
The DC-DC conversion circuit is connected, for controlling the voltage conversion value of the DC-DC conversion circuit.Second rectification circuit it is defeated
Enter the output end that end connects the DC-DC conversion circuit.The input of second filter circuit connects second rectification circuit
Output end.The input of control circuit connects the output end of second filter circuit.Electric power output circuit connects the control
The output end of circuit.Wherein, if the control circuit is used to detect that the electric current of the electric power output circuit to be less than or equal in advance
If during threshold value, cut off the electric power output circuit.
According to the charging circuit of the present embodiment, by setting control circuit, electric power output circuit is identified in control circuit
Electric current be less than or equal to predetermined threshold value after, automatically cut off electric power output circuit, and then stop to be connected on the charging circuit
Equipment be powered, avoid after equipment is fully charged due to do not extract in time and caused by damage.
According to charging circuit as described above, alternatively, the control circuit include a detection circuit, a metal-oxide-semiconductor,
One first resistor and a second resistance.
Wherein, detection circuit has a first end, second end and at least one sampling end, the sampling end connection
The electric power output circuit.The drain electrode of metal-oxide-semiconductor connects the output end of second filter circuit, and source electrode connects the electric power output
Circuit, grid connect second end, to cut off the electric power output circuit by turning off the MOS.First resistor
One end is connected between the source electrode of the metal-oxide-semiconductor and the electric power output circuit, and the first of the other end connection detection circuit
End.One end of second resistance is connected between the first resistor and the first end, other end ground connection.
According to charging circuit as described above, alternatively, have extremely between the sampling end and the electric power output circuit
A few sampling resistor.
According to charging circuit as described above, alternatively, the detection circuit includes a determination sub-circuit and one is prolonged
Slow sub-circuit.
Wherein it is determined that sub-circuit includes the first end and the sampling end, for determining the electric power output circuit
Whether electric current is small or equal to predetermined threshold value.Delay sub-circuit includes second end, and determines sub-circuit and institute with described respectively
The connection of electric power output circuit is stated, for detecting that the electric current of the electric power output circuit is less than or equal in the determination sub-circuit
During predetermined threshold value, after postponing preset time, the electric power output circuit is cut off.
After it is determined that sub-circuit detects that the electric current of electric power output circuit is less than or equal to predetermined threshold value, trigger delay son electricity
Road, postpone preset time, after ensureing that equipment indeed is in saturation state, just cut off electric power output circuit.
According to charging circuit as described above, alternatively, the control circuit also includes：
One charged state indicating circuit, its one end are connected to the 3rd end of the detection circuit, other end ground connection.
The charged state indicating circuit is used to remind whether user equipment fills with electricity.
According to charging circuit as described above, alternatively, the charged state indicating circuit include a current-limiting resistance and
One light emitting diode.Wherein, one end of current-limiting resistance and the three-terminal link.The positive pole of light emitting diode and the current limliting
The other end connection of resistance, negative pole ground connection.
According to charging circuit as described above, alternatively, the control circuit also includes first filter capacitor.This
One end of one filter capacitor is connected at the tie point of the first resistor, the second resistance and the detection circuit, another
End ground connection.
According to charging circuit as described above, alternatively, the control circuit also include second filter capacitor and
One 3rd resistor.Wherein, one end of the second filter capacitor is connected with the 4th end of the detection circuit, another termination
Ground.One end of 3rd resistor is connected at second filter capacitor and the tie point at the 4th end, the other end and alternating current
Source connects.
Second filter capacitor and 3rd resistor are used to provide reference voltage for detection circuit.
According to charging circuit as described above, alternatively, in addition to a RCD absorbing circuit.Its input is connected to institute
The output end of the first filter circuit is stated, its output end is connected to the input of the DC-DC conversion circuit.The RCD absorbing circuits
Available for overload, overvoltage and under-voltage protection.
The utility model provides a kind of socket on the other hand, alternatively, including the as above charging circuit described in any one.
By setting control circuit in the socket, identify that the electric current of electric power output circuit is less than or waited in control circuit
After predetermined threshold value, electric power output circuit is automatically cut off, and then the equipment for stopping being connected on the charging circuit is powered,
Avoid after equipment is fully charged due to do not extract in time and caused by damage.
Brief description of the drawings
Preferred embodiment of the present utility model will be described in detail by referring to accompanying drawing below, make the ordinary skill people of this area
Member becomes apparent from above and other feature and advantage of the present utility model, in accompanying drawing：
Fig. 1 is the structural representation according to the charging circuit of the embodiment of the utility model one.
Fig. 2 is the structural representation according to the charging circuit of another embodiment of the utility model.
Fig. 3 is the structural representation according to the charging circuit of the utility model another embodiment.
Reference
10- AC powers 20- the first rectification circuit the first filter circuits of 30-
40-RCD absorbing circuit 50-DC-DC translation circuit 60- governor circuits
70- the second rectification circuit 80- the second filter circuit 90- control circuits
100- electric power output circuit 901-MOS pipe 902- first resistors
903- second resistance 904- current-limiting resistance 905- light emitting diodes
906- the first filter capacitor 907- the second filter capacitor 908- 3rd resistors
The resistance of the filter capacitor 910- of 909- the 3rd detection circuits 911- the 4th
9101- sampling resistor 9102- sampling resistors
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, by the following examples to the utility model
It is further described.
Embodiment one
The present embodiment provides a kind of charging circuit for socket.
As shown in figure 1, the schematic diagram for the charging circuit according to the present embodiment.The charging circuit includes first rectification
20,60, second rectification circuits of governor circuit of DC-DC conversion circuit 50, one of the first filter circuit 30, one of circuit
70th, 80, control circuits 90 of second filter circuit and an electric power output circuit 100.
Wherein, the input connection AC power 10 of the first rectification circuit 20, for by AC rectification into direct current.The
The input of one filter circuit 30 connects the output end of the first rectification circuit 20, for filtering out the straight of the first rectification circuit 20 output
Flow the ripple of the voltage of electricity.The input of DC-DC conversion circuit 50 connects the output end of the first filter circuit 30, for voltage
Value is changed.Governor circuit 60 connects DC-DC conversion circuit 50, for being controlled to DC-DC conversion circuit 50, such as adjusts
The magnitude of voltage that whole DC-DC conversion circuit 50 is changed.The input of second rectification circuit 70 connects the defeated of DC-DC conversion circuit 50
Go out end, it plays a part of secondary rectification.The input of second filter circuit 80 connects the output end of the second rectification circuit 70, its
Play a part of secondary filtering.If the control circuit 90 of the present embodiment is used to detect that the electric current of electric power output circuit 100 is less than
Or during equal to predetermined threshold value, cut-out electric power output circuit 100.Electric power output circuit 100 is used to be filled with electricity for equipment.
First rectification circuit 20 of the present embodiment, the first filter circuit 30, DC-DC conversion circuits 50, a governor circuits
60th, the second rectification circuit 70, the second filter circuit 80 and electric power output circuit 100 can use any tool in the prior art
There is the circuit of corresponding function, will not be repeated here.
The present embodiment provides a kind of implementation of control circuit, as shown in Figure 3.The control circuit 90 includes a detection
Circuit 910, MOS (Metal Oxide Semiconductor, metal-oxide semiconductor (MOS)) 901, first resistors of pipe
902 and a second resistance 903.
Wherein, detection circuit 910 has a first end, second end and at least one sampling end, sampling end connection
Electric power output circuit 100.The output end of drain electrode the second filter circuit 80 of connection of metal-oxide-semiconductor 901, source electrode connection electric power output circuit
100.Specifically, electric power output circuit 100 can be cut off by turning off the metal-oxide-semiconductor 901.One end connection of first resistor 902
To between the source electrode and electric power output circuit 100 of metal-oxide-semiconductor 901, the other end connects the first end of a detection circuit 910.Second
One end of resistance 903 is connected between first resistor 902 and first end, other end ground connection.First resistor 902 and second resistance
903 form bleeder circuit.The grid of the second end connection metal-oxide-semiconductor 901 of detection circuit 910 is electric to be cut off by turning off MOS
Power output circuit 100.Alternatively, there is the 4th resistance 911 between the grid of the second end and metal-oxide-semiconductor 901.
In the present embodiment, the sampling end of detection circuit 910 is used for the sample rate current for obtaining electric power output circuit 100, with logical
Cross the sample rate current and judge whether the electric current of electric power output circuit 100 is less than or equal to predetermined threshold value.In addition, pass through the sampling end
Connection, detection circuit 910 can also with equipment carry out Handshake Protocol communication, so as to identify the charge mode of mobile phone, make socket
Power output reach the charging effect of the original-pack socket of equipment.
As a kind of implementation, the detection circuit 910 of the present embodiment can be packaged into a chip, pass through the chip
Pin is attached.Above-mentioned first end is PIN2, and the second end is PIN3, and sampling end has two, respectively PIN1 and PIN7.This two
Individual sampling end is respectively connecting to the interface data wire (D+, D-) of electric power output circuit 100.Certainly, in practical operation, can set
More sampling ends, it can specifically be set according to being actually needed.
One or more sampling resistors are each can be provided between sampling end and electric power output circuit 100.As one kind
Implementation, as shown in figure 3, having a sampling resistor between a sampling end and electric power output circuit 100, respectively sample
Resistance 9101 and 9102.Specifically, there is sampling resistor 9101 between PIN1 and D-, there is sampling resistor between PIN7 and D+
9102。
More specifically, the detection circuit 910 of the present embodiment can include a determination sub-circuit and a delay son electricity
Road.The determination sub-circuit includes first end PIN2 and sampling end, the electric current for determining electric power output circuit 100 whether be less than or
Equal to predetermined threshold value.The delay sub-circuit includes the second end PIN3, and respectively with determining that sub-circuit and electric power output circuit 100 connect
Connect, for when it is determined that sub-circuit detects that the electric current of electric power output circuit 100 is less than or equal to predetermined threshold value, when delay is default
Between after, cut-out electric power output circuit 100.In real life, when being charged to equipment, quick charge, continuous is generally included
Formula charging, trickle charge three phases.Wherein, the battery of equipment can be charged to 80% rapidly by quick charge, but be stilled need
Continue to charge, battery could be completely filled with.The charging current of continous way charging is gradually reduced, it is ensured that battery enters fully charged
Critical condition.Trickle charge is small electric current, to ensure the real saturation of battery.In the present embodiment, when it is determined that sub-circuit detects
Go out the electric current of electric power output circuit 100 less than or equal to after predetermined threshold value, trigger delay sub-circuit, postpone preset time, such as
30 minutes, after ensureing that equipment indeed is in saturation state, just cut off electric power output circuit 100.
Alternatively, the control circuit 90 of the present embodiment also includes a charged state indicating circuit, charged state instruction
One end of circuit is connected to a 3rd end PIN5 of detection circuit 910, other end ground connection.Charged state indicating circuit is used to carry
Whether user's electricity of waking up fills with.For example, determine that the electric current of electric power output circuit 100 is less than or waited in detection circuit 910
Lighted after predetermined threshold value, and then remind user equipment to fill with electricity.Certainly, charged state indicating circuit can also postpone
Just lighted after sub-circuit work.One specific implementation of the charged state indicating circuit of the present embodiment as shown in figure 3,
Charged state indicating circuit includes a current-limiting resistance 904 and a light emitting diode 905.Wherein, current-limiting resistance 904 and detection
3rd end PIN5 connections of circuit 910, the positive pole of light emitting diode 905 are connected with the other end of current-limiting resistance 904, and negative pole connects
Ground.
Alternatively, the control circuit 90 of the present embodiment also includes first filter capacitor 906.Its one end is connected to first
At the tie point of resistance 902, second resistance 903 and detection circuit 910, other end ground connection.First filter capacitor 906 be used for pair
Electric current is filtered.
Alternatively, the control circuit 90 of the present embodiment also includes second filter capacitor 907 and a 3rd resistor
908.Wherein, one end of the second filter capacitor 907 is connected with detecting a 4th end PIN8 of circuit 910, other end ground connection.The
One end of three resistance 908 is connected at the second filter capacitor 907 and the 4th end PIN8 tie point, and the other end connects with AC power
Connect.Second filter capacitor 907 and 3rd resistor 908 provide reference voltage for detection circuit 910 jointly, for detecting circuit
901 judge whether the electric current of electric power output circuit 100 is less than or equal to predetermined threshold value by comparing sampled voltage and reference voltage.
Alternatively, the control circuit 90 of the present embodiment also includes the 3rd filter capacitor 909, the 3rd filter capacitor
909 one end be connected to detection circuit 910 a 5th end PIN6, the other end ground connection, the 3rd filter capacitor 909 be used for pair
Electric current is filtered.
Alternatively, the 6th end PIN4 ground connection of the detection circuit 910 of the present embodiment.
Alternatively, the charging circuit of the present embodiment also includes a RCD (Residual Current Device, remaining electricity
Flow device) absorbing circuit 40.The input of the RCD absorbing circuits 40 is connected to the output end of the first filter circuit 30, and RCD absorbs
The output end of circuit 40 is connected to the input of DC-DC conversion circuit 50.The RCD absorbing circuits 40 can be used for overload, overvoltage and
Under-voltage protection.
According to the charging circuit of the present embodiment, by setting control circuit 90, electric power output is identified in control circuit 90
After the electric current of circuit 100 is less than or equal to predetermined threshold value, electric power output circuit 100 is automatically cut off, and then stop to be connected to this
Equipment on charging circuit is powered, avoid after equipment is fully charged due to do not extract in time and caused by damage.
Embodiment two
The present embodiment provides the instantiation of above-mentioned charging circuit.It is noted that first rectification circuit of the present embodiment
20th, the first filter circuit 30, RCD absorbing circuits 40, DC-DC conversion circuit 50, governor circuit 60, the second rectification circuit 70,
Two filter circuits 80, control circuit 90 and an electric power output circuit 100 can use other modes to realize, and are included in and fill
In circuit, the present embodiment is not construed as limiting.
As shown in figure 3, the structural representation for the charging circuit according to the present embodiment.
First rectification circuit 20 of the present embodiment generally comprises the bridge circuit being made up of four diodes, so as to pass through
Diode converts alternating current to the direct current of unidirectional pulsating nature.
First filter circuit 30 of the present embodiment includes tie point, the second branch road and is connected in parallel on tie point and second
Electric capacity 301 and electric capacity 302 between branch road, the tie point include inductance L1, and one end of tie point is connected to bridge circuit
Between two diodes, the other end is connected to the input of RCD absorbing circuits 40.Second branch road includes inductance L2, second electricity
The one end on road is connected between two other diode of bridge circuit, other end ground connection.
The RCD absorbing circuits 40 of the present embodiment include first sub-circuit and two poles connected with the first sub-circuit
Pipe D1, the first sub-circuit include three resistance R1, R2, R3 and an electric capacity C1.Wherein, two resistance R1, R3 are in parallel, resistance
R2 is in parallel with electric capacity C1, and the R1 and R3 after parallel connection connect with the R2 after parallel connection and R1.
The DC-DC conversion circuit 50 of the present embodiment includes a transformer T1, transformer T1 include a primary coil,
One secondary coil and a feedback coil, it is used to primary direct current is modulated to and is transformed to load DC electricity, and
Feedback voltage is transported to governor circuit 60.Wherein, secondary coil is connected to the second rectification circuit 70, and feedback coil is connected to master
Control circuit 60.
The governor circuit 60 of the present embodiment is main to include a chip 601, and the chip 601 is used for by controlling secondary coil
To control the voltage conversion value of DC-DC conversion circuit 50.
Second rectification circuit 70 of the present embodiment includes an electric capacity C6, resistance a R12, a diode D5 and one
Individual metal-oxide-semiconductor Q1.Wherein, electric capacity C6 and resistance R12 series connection, the electric capacity C6 and resistance R12 after series connection are in parallel with metal-oxide-semiconductor Q1, in parallel
End connection diode D5 positive pole, diode D4 negative pole connection feedback coil.
Second filter circuit 80 of the present embodiment includes an electric capacity C4, an electric capacity C8 in parallel and the pole of voltage stabilizing two
Pipe D7.
The electric power output circuit 100 of the present embodiment can include a plurality of USB ports, different to be charged for connecting
Equipment.I.e. electric power output circuit 100 can be USB output circuits.
The utility model also provides a kind of socket, and the socket includes the charging circuit of foregoing any embodiment.The socket is also
Including a housing, charging circuit is arranged on enclosure interior.The socket is not limited only to fixing type socket, is applied equally to move
Formula socket.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. the charging circuit for socket, it is characterised in that including：
One the first rectification circuit (20), its input connection AC power (10)；
One the first filter circuit (30), its input connect the output end of first rectification circuit (20)；
One DC-DC conversion circuit (50), its input connect the output end of first filter circuit (30)；
One governor circuit (60), it connects the DC-DC conversion circuit (50), for controlling the DC-DC conversion circuit
(50) voltage conversion value；
One the second rectification circuit (70), its input connect the output end of the DC-DC conversion circuit (50)；
One the second filter circuit (80), its input connect the output end of second rectification circuit (70)；
One control circuit (90), its input connect the output end of second filter circuit (80)；And
One electric power output circuit (100), it connects the output end of the control circuit (90)；
Wherein, the control circuit (90) is if for detecting that it is pre- that the electric current of the electric power output circuit (100) is less than or equal to
If during threshold value, cut off the electric power output circuit (100).
2. charging circuit according to claim 1, it is characterised in that the control circuit (90) includes：
One detection circuit (910), it has a first end, second end and at least one sampling end, the sampling end
Connect the electric power output circuit (100)；
One metal-oxide-semiconductor (901), it, which drains, connects the output end of second filter circuit (80), and it is defeated that source electrode connects the electric power
Go out circuit (100), grid connects second end, to cut off the electric power output circuit by turning off the MOS
(100)；
One first resistor (902), its one end are connected to the source electrode and the electric power output circuit (100) of the metal-oxide-semiconductor (901)
Between, the first end of the other end connection detection circuit (910)；And
One second resistance (903), its one end are connected between the first resistor (902) and the first end, other end ground connection.
3. charging circuit according to claim 2, it is characterised in that the sampling end and the electric power output circuit
(100) there is at least one sampling resistor (9101,9102) between.
4. charging circuit according to claim 2, it is characterised in that the detection circuit (910) includes：
One determination sub-circuit, it includes the first end and the sampling end, for determining the electric power output circuit (100)
Electric current it is whether small or equal to predetermined threshold value；
One delay sub-circuit, it includes second end, and determines sub-circuit and the electric power output circuit with described respectively
(100) connect, it is default for detecting that the electric current of the electric power output circuit (100) is less than or equal in the determination sub-circuit
During threshold value, after postponing preset time, the electric power output circuit (100) is cut off.
5. charging circuit according to claim 2, it is characterised in that the control circuit (90) also includes：
One charged state indicating circuit, its one end are connected to the 3rd end of the detection circuit (910), another termination
Ground.
6. charging circuit according to claim 5, it is characterised in that the charged state indicating circuit includes：
One current-limiting resistance (904), its one end and the three-terminal link；And
One light emitting diode (905), its positive pole are connected with the other end of the current-limiting resistance (904), negative pole ground connection.
7. charging circuit according to claim 2, it is characterised in that the control circuit (90) also includes：
One the first filter capacitor (906), its one end are connected to the first resistor (902), the second resistance (903) and institute
At the tie point for stating detection circuit (910), other end ground connection.
8. charging circuit according to claim 7, it is characterised in that the control circuit (90) also includes:
One the second filter capacitor (907), its one end are connected with the 4th end of the detection circuit (910), another termination
Ground；And
One 3rd resistor (908), its one end are connected to the tie point at second filter capacitor (907) and the 4th end
Place, the other end are connected with AC power.
9. charging circuit according to any one of claim 1 to 8, it is characterised in that also include：
One RCD absorbing circuit (40), its input are connected to the output end of first filter circuit (30), and its output end connects
It is connected to the input of the DC-DC conversion circuit (50).
10. a kind of socket, it is characterised in that including the charging circuit any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629305.8U CN207134841U (en) | 2017-05-27 | 2017-05-27 | Charging circuit and its socket for socket |
| PCT/IB2018/053732 WO2018220495A1 (en) | 2017-05-27 | 2018-05-25 | A charging circuit for a socket and the socket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629305.8U CN207134841U (en) | 2017-05-27 | 2017-05-27 | Charging circuit and its socket for socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134841U true CN207134841U (en) | 2018-03-23 |
Family
ID=61631539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720629305.8U Active CN207134841U (en) | 2017-05-27 | 2017-05-27 | Charging circuit and its socket for socket |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207134841U (en) |
| WO (1) | WO2018220495A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018220495A1 (en) * | 2017-05-27 | 2018-12-06 | Siemens Ltd., China | A charging circuit for a socket and the socket thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204638A (en) * | 2021-12-10 | 2022-03-18 | 北京云迹科技有限公司 | Intelligent charging method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010061465A1 (en) * | 2008-11-28 | 2010-06-03 | トヨタ自動車株式会社 | Vehicular charging system |
| CN102386661A (en) * | 2011-12-07 | 2012-03-21 | 中国人民解放军总装备部军械技术研究所 | Portable electrifying, charging and discharging equipment for photoelectric device |
| CN204720706U (en) * | 2015-07-03 | 2015-10-21 | 深圳市达特智慧物联科技有限公司 | There is the intelligent multiposition socket of wireless charging function stage by stage |
| CN207134841U (en) * | 2017-05-27 | 2018-03-23 | 西门子（中国）有限公司 | Charging circuit and its socket for socket |
-
2017
- 2017-05-27 CN CN201720629305.8U patent/CN207134841U/en active Active
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2018
- 2018-05-25 WO PCT/IB2018/053732 patent/WO2018220495A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018220495A1 (en) * | 2017-05-27 | 2018-12-06 | Siemens Ltd., China | A charging circuit for a socket and the socket thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018220495A1 (en) | 2018-12-06 |
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