CN208690653U - One kind is autotomyed electric control unit and Self-disconnecting charge protection socket - Google Patents
One kind is autotomyed electric control unit and Self-disconnecting charge protection socket Download PDFInfo
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- CN208690653U CN208690653U CN201820695488.8U CN201820695488U CN208690653U CN 208690653 U CN208690653 U CN 208690653U CN 201820695488 U CN201820695488 U CN 201820695488U CN 208690653 U CN208690653 U CN 208690653U
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Abstract
It autotomys electric control unit, including photo-coupler, start button and thyristor the utility model discloses one kind；One main electrode of the output end connection thyristor of photo-coupler, and between be in series with current-limiting resistance, the gate pole of the another output connection thyristor of photo-coupler, start button is connected in parallel on the output end of photo-coupler；The main electrode of thyristor is in series with the input terminal and electric power input device of power supply unit；The output end of power supply unit is connected separately with power supply line and ground connection；One input terminal of photo-coupler connects power supply line, and between be in series with divider resistance, another input terminal of photo-coupler is connected with the output end of microprocessor unit, and the power end of microprocessor unit is separately connected power supply line and ground connection；When power cut-off, power supply unit and microprocessor unit stop working, and do not consume electric energy, reduce the waste of electric energy；It when restarting, is unclamped after pressing start button, all units can be waken up, it is easy to operate.
Description
Technical field
The use of the new type is related to charging circuit technical field more particularly to one kind is autotomyed electric control unit and Self-disconnecting charging
Protect socket.
Background technique
With gradually popularizing for the products such as electric bicycle, computer, mobile phone, rechargeable battery also obtained widely answering
With.Rechargeable battery, which has, pollutes small, repeatedly used advantage.It, still can be with small electric current pair but when charging finishes
Battery charging, if overcharged, can damage battery, shorten the service life of battery.Currently, some prices are relatively high
Product, there is charge protector, when charging finishes, in time disconnect charging function.But due to being equipped with charging
Circuit is protected, on the continuously coupled socket of family or office's charging equipment, when charging adapter is standby, charge protector
On electronic component can still consume electric energy, cause the waste of electric energy.
Utility model content
In order to solve the problems, such as that charging adapter stand-by power consumption causes waste of energy, the utility model position proposes one kind certainly
Power off control unit, including photo-coupler, start button and thyristor；One output end of the photo-coupler connects the crystalline substance
One main electrode of brake tube, and between be in series with current-limiting resistance, the another output connection of the photo-coupler brilliant lock
The gate pole of pipe, the start button are connected in parallel on the output end of the photo-coupler；The main electrode of the thyristor is in series with electricity
The input terminal and electric power input device of source unit；One output end of the power supply unit is connected with operating voltage, another is defeated
Outlet ground connection；One input terminal of the photo-coupler connects the operating voltage, and between be in series with divider resistance, the light
Another input terminal of coupler is connected with the output end of microprocessor unit, and the power end of the microprocessor unit connects respectively
Connect the operating voltage and ground connection.
When needing standby, microprocessor unit sends high level signal to photo-coupler, keeps photo-coupler input terminal electric
Pressure difference reduces, and photo-coupler shutdown, gate circuit transistor gate does not apply trigger current, turns off thyristor, the dress of power supply output at this time
The loop open circuit between power supply unit is set, power supply device stops working, and makes that forward voltage, micro- place are not present in operating voltage
Reason device unit does not have power supply to provide electric energy and stop working, and without electric current in entire circuit, reduces the waste of electric energy；When need weight
When new starting, start button is pressed, trigger current is applied to the gate pole of thyristor, thyristor is open-minded, power output apparatus and electricity
Circuit communication between source unit, power supply unit make the forward voltage in operating voltage there are 5V, mention to microprocessor unit
For electric energy, microprocessor unit applies low level signal to the input terminal of photo-coupler, and the input terminal voltage difference of photo-coupler increases
Greatly, photo-coupler is open-minded, unclamps start button at this time, and there are still trigger currents for the gate pole of thyristor, and thyristor is persistently open-minded, electricity
Road continues working.
Further, the model MOC3083 of the photo-coupler, the model BAT16-600 of the thyristor.
On the other hand the utility model proposes a kind of Self-disconnecting charge protection socket, including Socket casing, the socket
It is provided with controlled soket on shell, electric energy input unit is provided with outside the Socket casing, the electric energy input unit is plug；
Charge control protection circuit is provided in the Socket casing, it includes current detecting unit that the charge control, which protects circuit, micro-
Processor unit, power supply unit, charging control unit and electric control unit of autotomying, the electric control unit of autotomying be it is above-mentioned from
Control unit is powered off, the start button is located on the outer surface of the Socket casing；The output end of the microprocessor unit
It is also connected with the input terminal of the charging control unit, the input terminal of the microprocessor unit connects the current detecting unit
Output end, the power end of the charging control unit are separately connected operating voltage and ground connection, the power supply of the current detecting unit
End is separately connected operating voltage and ground connection；The output end of the charging control unit, the controlled soket and plug series connection,
The current detecting unit is for measuring the electric current for flowing through the controlled soket.
It is that entire socket energizes by being inserted into socket in the electricity network of 220V, power detector is flowed through for detecting
The electric current of controlled soket, and microprocessor unit is transmitted signal to, when charging is complete, in a period of time, flow through controlled insert
The electric current of seat is always less than setting value, and microprocessor unit sends signal to charging control unit, turns off charging control unit,
The loop open circuit of controlled soket and plug, not small electric current flow through controlled soket, and playing prevents overcharged effect, together
When microprocessor unit to photo-coupler send high level signal, turn off thyristor, power supply unit stops to charge control list
Member, microprocessor unit and current detecting unit provide electric energy, and power supply unit, microprocessor unit and current detecting unit is allowed to stop
It only works, without electric current in entire charge protector, reduces power consumption；When charging is required, charger is inserted into controlled
In socket, then start button is pressed, keep thyristor open-minded, power supply unit is to charging control unit, microprocessor unit and electric current
Detection unit provides electric energy, and charging control unit, microprocessor unit and current detecting unit are started to work, microprocessor unit
Low level signal is sent to photo-coupler, keeps photo-coupler open-minded, unclamps start button at this time, it is still lasting on the gate pole of thyristor
There are trigger current, thyristor constant conduction makes microprocessor unit, current detecting unit and charging control unit keep work
State.
Further, the current detecting unit includes current transformer, operational amplifier and low-pass filter circuit；It is described
For current transformer for detecting the electric current for flowing through the controlled soket, output end is separately connected the homophase input of operational amplifier
End and inverting input terminal；The non-inverting input terminal of the operational amplifier is grounded, and is parallel between inverting input terminal and output end anti-
Feed resistance and feedback capacity, the power end of the operational amplifier are separately connected the operating voltage and ground connection；The low pass filtered
Wave circuit includes filter resistance, electrolytic capacitor and discharge resistance；Filter resistance one end connection fortune calculation amplifier
Output end, the other end connect the input terminal of the positive and described microprocessor unit of the electrolytic capacitor；The electrolytic capacitor
The cathode of device is grounded, and the discharge resistance is in parallel with the electrolytic capacitor.
Current transformer flows through the electric current of controlled soket for real-time detection, and signal is sent to operational amplifier；Operation
Amplifier is sent after amplifying signal to low-pass filter circuit, and feedback resistance and feedback capacity are used to provide one for remote amplifier of calculating
The negative-feedback circuit of high frequency small-signal inhibits the high-frequency self-excitation of operational amplifier；In low-pass filter circuit, electrolytic capacitor and filter
Wave resistance constitutes single order passive low-pass filter circuit, and discharge resistance is used to provide the bypass of electric discharge.
Further, the current transformer model ZMCT103C, the operational amplifier model LM358.
Further, the charging control unit includes relay and transistor amplifier；The output of the relay
End is connected with the plug and the controlled soket, and the input terminal of the relay is parallel with 1 diode, the diode
Cathode connect the operating voltage；The transistor amplifier includes triode, the collector connection described two of triode
The anode of pole pipe, emitter and base stage are parallel with biasing resistor, and emitter is grounded, and the base stage of the triode is connected with input
One end of resistance, the other end of the input resistance are connected with the output end of the microprocessor unit.
The signal that transistor amplifier sends microprocessor unit amplifies and send to relay, and biasing resistor is three poles
Pipe provides bias current, and input resistance plays the role of current limliting, prevents the overflow for being input to transistor base, burns out three poles
Pipe；The back-emf that diode is used to generate when preventing relay from disconnecting is impacted to circuit or component damage, gives back-emf
One circuit；When charging carries out, relay closure, at the end of charging, relay is disconnected.
The utility model compared with the prior art by using the above technical solution, has technical effect:
1, the utility model Self-disconnecting charge protection socket has Electricity Functional of autotomying, since microprocessor unit controls simultaneously
Charging control unit and electric control unit of autotomying, when charging control unit receives the signal of microprocessor unit, make plug with
When breaking between controlled soket, autotomying electric control unit while receiving signal for processor unit, disconnecting plug with it is electric
The connection of source unit, makes power supply unit stop working, and current detecting unit, microprocessor unit are autotomyed and electric control unit and filled
Electric control unit can not obtain the electric energy from power supply unit, also stop working, and Self-disconnecting charge protection socket is not when making standby
Consume electric energy.
2, the current detecting unit of the utility model Self-disconnecting charge protection socket includes current transformer, can be examined in real time
Size of current is surveyed, when within a certain period of time, when charging current is consistently less than the reference current set in single-chip microcontroller, that is, has been charged
Finish, disconnects charging circuit in time at this time, battery is carried out to overcharge protection, improves the service life of battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model Self-disconnecting charge protection jack embodiment.
Fig. 2 is the electrical block diagram of the utility model Self-disconnecting charge protection jack embodiment.
Fig. 3 is the electrical block diagram of the utility model Self-disconnecting charge protection jack embodiment current detecting unit.
Fig. 4 is the electrical block diagram of the utility model Self-disconnecting charge protection jack embodiment charging control unit.
Appended drawing reference: 1, Socket casing；2, plug；3, controlled soket；4, it autotomys electric control unit；41, start button；
5, current detecting unit；51, low-pass filter；6, charging control unit；61, transistor amplifier；7, power supply unit；
8, microprocessor unit.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
A kind of Self-disconnecting charge protection socket, as shown in Figure 1, including Socket casing 1, Socket casing is provided on 1 side
Electric energy input unit, the electric energy input unit are plug 2, and 1 outer surface of Socket casing is provided with controlled soket 3.Such as Fig. 2 institute
Show, charging protection control circuit is provided between plug 2 and controlled soket 3, and charging protection control circuit is arranged in socket shell
In body 1, including electric control unit 4 of autotomying, current detecting unit 5, charging control unit 6, power supply unit 7 and microprocessor unit
8.Electric control unit 4 of autotomying includes photo-coupler O1, start button 41, thyristor Q1, current-limiting resistance R2 and divider resistance R1.
Photo-coupler O1 an output end connection thyristor Q1 a main electrode, and between be in series with current-limiting resistance R2, optical coupling
The gate pole of the another output connection thyristor Q1 of device O1, start button 41 are connected in parallel on two output ends of photo-coupler O1
On, and start button 41 is arranged on Socket casing 1.One input of the main electrode connection power supply unit 7 of thyristor Q1
End, another input terminal of one end of another main electrode connection plug 2, power supply unit 7 are connected with the other end of plug 2.Electricity
One output end of source unit 7 is connected with operating voltage VCC, another output ground connection；An input terminal of photo-coupler O1
Connect operating voltage VCC, and between be in series with divider resistance R1, another input terminal of photo-coupler O2 connects microprocessor list
The output end of member 8, the power end of microprocessor unit 8 are separately connected operating voltage VCC and ground connection.The model of photo-coupler O1
The model BAT16-600 of MOC3083, thyristor Q1, start button 41 are normally open contact.Microprocessor unit 8 another
Output end connects the input terminal of charging control unit 6, the output of the input terminal connection current detecting unit 5 of microprocessor unit 8
End, the power end of charging control unit 6 are separately connected operating voltage VCC and ground connection, and the power end of current detecting unit 5 connects respectively
Connect operating voltage VCC and ground connection；One end of the output end connection controlled soket 3 of charging control unit 6, another output
The other end of one end of connection plug 2, controlled soket 3 is connected with the other end of plug 2；Current detecting unit 5 is for measuring stream
Electric current through controlled soket 3.
5 real-time detection of current detecting unit flows through the size of current of controlled soket 3 and send signal to microprocessor unit
8.When battery is fully charged, the electric current for flowing through controlled soket 3 reduces, and microprocessor unit 8 is sent to charging control unit at this time
Signal turns off charging control unit, breaking between plug 2 and controlled soket 3, and charging stops；Microprocessor unit 8 simultaneously
High level signal is sent to photo-coupler O1, turns off the output end of photo-coupler O1, the gate pole of thyristor Q1 does not trigger electricity
Stream, thyristor Q1 shutdown, 3 open circuit of input terminal and socket of power supply unit 7, power supply unit stops working, on operating voltage VCC
The high level for losing 5V makes current detecting unit 5, charging control unit 6 and microprocessor unit 8 provide electric energy without power supply
And stop working, entire charging protection control circuit does not consume electric energy, reduces the waste of electric energy.When needs re-start charging
When, pressing start button 41 makes its closure, and the gate pole of thyristor Q1 is applied trigger current, turn on thyristors, at this time power supply list
The input terminal of member obtains the electric energy from plug 2 and starts to work, and operating voltage VCC is made to obtain the constant pressure of 5V, operating voltage
VCC provides electric energy to current detecting unit 5, charging control unit 6 and microprocessor unit 8, makes entire charge protection control electricity
Road start to work, microprocessor unit 8 to charging control unit 6 send signal, charging control unit 6 be closed, plug 2 with by
The circuit conducting between socket 3 is controlled, electric energy is provided to the equipment of connection controlled soket 3, starts to charge.Meanwhile microprocessor list
Member 8 sends low level signal to photo-coupler O1, and the output end of photo-coupler O1 is connected, and unclamping start button 41 makes its pass
Disconnected, the gate pole of thyristor Q1 still has trigger current, and thyristor Q1 is held on, and charging protection control circuit keeps work.
As shown in figure 3, current detecting unit 5 include current transformer T2, operational amplifier U1A, low-pass filter circuit 51,
Feedback resistance R11 and feedback capacity C5.Current transformer T2 is used for electric current of the detection stream through controlled soket 3, current transformer T2
Two output ends be all connected with the non-inverting input terminal of operational amplifier U1A, inverting input terminal.The same phase of operational amplifier U1A
Input end grounding is parallel with feedback resistance R11 and feedback capacity C5, operational amplifier U1A between inverting input terminal and output end
Power end be separately connected operating voltage VCC and ground connection.Low-pass filter circuit 51 include filter resistance R8, electrolytic capacitor E1 and
Discharge resistance R9.The one end filter resistance R8 connects the output end of operational amplifier U1A, and the other end is connecting electrolytic capacitor E1 just
The input terminal of pole and microprocessor unit 8.The cathode of electrolytic capacitor E1 is grounded, and discharge resistance R9 and electrolytic capacitor E1 are simultaneously
Connection.Current transformer T2 model ZMCT103C, operational amplifier U1A model LM358.
Current transformer T2 real-time detection flows through the size of current between plug 2 and charging control unit 6, flows through plug 2
Size of current between charging control unit 6 is equal with the size of current for flowing through controlled soket 3, and signal is sent to operation and is put
Big device U1A.Operational amplifier U1A is sent after amplifying signal to low-pass filter circuit 51, and feedback resistance R11 and feedback capacity C5 are used
In providing the negative-feedback circuit of a high frequency small-signal for the remote amplifier U1A that calculates, inhibit the high-frequency self-excitation of operational amplifier U1A；
In low-pass filter circuit, electrolytic capacitor E1 and filter resistance R8 constitute single order passive low-pass filter circuit, and discharge resistance R9 is used
In the bypass of offer electric discharge.
As shown in figure 3, charging control unit 6 includes relay K1 and transistor amplifier 61；One of relay K1
One end of output end connection plug 2, relay K1 the other end connection controlled soket 3 one end, the other end of plug 2 with by
The other end for controlling socket 3 is connected, and the input terminal of relay K1 is parallel with diode D4, and the cathode of diode D4 connects operating voltage
VCC.Transistor amplifier 61 includes triode BG1, the anode of the collector connection diode D4 of triode BG1, emitter
And base stage is parallel with biasing resistor R15, and emitter is grounded, the base stage of triode BG1 is connected with one end of input resistance R14,
The other end of input resistance R14 is connected with the output end of microprocessor unit 8.
The signal that microprocessor unit 8 is sent is amplified and is sent to relay K1, biasing resistor R15 by triode amplification electricity 61
Bias current is provided for triode, input resistance R14 plays the role of current limliting, prevents the signal for being input to triode BG1 base stage
It is too strong, burn out triode BG1；When diode D4 is used to prevent relay K1 from disconnecting the back-emf that generates circuit is impacted or
Component damage gives one circuit of back-emf；When charging carries out, relay K1 closure, at the end of charging, relay K1 is disconnected
It opens.
The operating method of the present embodiment is as follows: being first inserted into plug 2 in the alternating current of 220V, is Self-disconnecting charge protection socket
Electric energy is provided；Then by the equipment insertion controlled soket for needing to charge, start button 41, Self-disconnecting charge protection socket are pressed
It charges to equipment, and charging protection control circuit is started to work, unclamps start button 41；When equipment charge is full of, stream
Electric current through controlled soket 3 reduces, and Self-disconnecting charge protection socket is automatically stopped to equipment charge, and charging protection control circuit
It stops working, Self-disconnecting charge protection socket does not consume electric energy when standby, reduces the waste of electric energy.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (6)
- The electric control unit 1. one kind is autotomyed, which is characterized in that including photo-coupler (O1), start button (41) and thyristor (Q1)；One output end of the photo-coupler (O1) connects a main electrode of the thyristor (Q1), and between be in series with Current-limiting resistance (R2), the another output of the photo-coupler (O1) connect the gate pole of the thyristor (Q1), the starting Button (41) is connected in parallel on two output ends of the photo-coupler (O1)；One main electrode of the thyristor (Q1) is in series with the input terminal and electric energy input unit of power supply unit (7)；The electricity One output end of source unit (7) is connected with operating voltage (VCC), another output ground connection；One input terminal of the photo-coupler (O1) connects the operating voltage (VCC), and between be in series with divider resistance (R1), another input terminal of the photo-coupler (O1) is connected with the output end of microprocessor unit (8), the microprocessor The power end of unit (8) is separately connected the operating voltage (VCC) and ground connection.
- The electric control unit 2. one kind according to claim 1 is autotomyed, which is characterized in that the model of the photo-coupler (O1) For MOC3083, the model BAT16-600 of the thyristor (Q1).
- 3. a kind of Self-disconnecting charge protection socket, which is characterized in that including Socket casing (1), be arranged on the Socket casing (1) Have controlled soket (3), electric energy input unit is provided with outside the Socket casing (1), the electric energy input unit is plug (2)；Charge control protection circuit is provided in the Socket casing, the charge control protection circuit includes electric control list of autotomying First (4), current detecting unit (5), charging control unit (6), power supply unit (7) and microprocessor unit (8), the Self-disconnecting Control unit (4) is to autotomy electric control unit (4) described in claims 1 or 2, and the start button (41) is set to described On Socket casing (1) outer surface；The output end of the microprocessor unit (8) is also connected with the input terminal of the charging control unit (6), the microprocessor The input terminal of unit (8) connects the output end of the current detecting unit (5), the power end point of the charging control unit (6) Not Lian Jie operating voltage (VCC) and ground connection, the power end of the current detecting unit (5) be separately connected operating voltage (VCC) and Ground connection；Output end, the controlled soket (3) and the plug (2) series connection of the charging control unit (6), the current detecting Unit (5) is for measuring the electric current for flowing through the controlled soket (3).
- 4. a kind of Self-disconnecting charge protection socket according to claim 3, which is characterized in that the current detecting unit It (5) include current transformer (T2), operational amplifier (U1A) and low-pass filter circuit (51)；The current transformer (T2) is separately connected described for detecting the electric current for flowing through the controlled soket (3), output end The non-inverting input terminal and inverting input terminal of operational amplifier (U1A)；The non-inverting input terminal of the operational amplifier (U1A) is grounded, and feedback resistance is parallel between inverting input terminal and output end (R11) and feedback capacity (C5), the power end of the operational amplifier (U1A) are separately connected the operating voltage (VCC) and connect Ground；The low-pass filter circuit (51) includes filter resistance (R8), electrolytic capacitor (E1) and discharge resistance (R9)；The filter Wave resistance one end (R8) connection fortune output end for calculating amplifier (U1A), the other end connect the electrolytic capacitor (E1) The input terminal of the positive and described microprocessor unit (8)；The cathode of the electrolytic capacitor (E1) is grounded, the discharge resistance (R9) in parallel with the electrolytic capacitor (E1).
- 5. a kind of Self-disconnecting charge protection socket according to claim 4, which is characterized in that the current transformer (T2) Model ZMCT103C, operational amplifier (U1A) the model LM358.
- 6. a kind of Self-disconnecting charge protection socket according to claim 3, which is characterized in that the charging control unit It (6) include relay (K1) and transistor amplifier (61)；The output end of the relay (K1) is connected with the plug (2) and the controlled soket (3), the relay (K1) Input terminal is parallel with diode (D4), and the cathode of the diode (D4) connects the operating voltage (VCC)；The transistor amplifier (61) includes triode (BG1), and the collector of the triode (BG1) connects two pole The anode of (D4) is managed, emitter and base stage are parallel with biasing resistor (R15), and emitter is grounded, the base of the triode (BG1) Pole is connected with one end of input resistance (R14), the other end and the microprocessor unit (8) of the input resistance (R14) Output end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695488.8U CN208690653U (en) | 2018-05-10 | 2018-05-10 | One kind is autotomyed electric control unit and Self-disconnecting charge protection socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820695488.8U CN208690653U (en) | 2018-05-10 | 2018-05-10 | One kind is autotomyed electric control unit and Self-disconnecting charge protection socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690653U true CN208690653U (en) | 2019-04-02 |
Family
ID=65877050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820695488.8U Expired - Fee Related CN208690653U (en) | 2018-05-10 | 2018-05-10 | One kind is autotomyed electric control unit and Self-disconnecting charge protection socket |
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| Country | Link |
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| CN (1) | CN208690653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799572A (en) * | 2023-06-26 | 2023-09-22 | 南京惠派智慧后勤服务有限公司 | Energy-saving split air conditioner socket based on wireless network control |
-
2018
- 2018-05-10 CN CN201820695488.8U patent/CN208690653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116799572A (en) * | 2023-06-26 | 2023-09-22 | 南京惠派智慧后勤服务有限公司 | Energy-saving split air conditioner socket based on wireless network control |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20210510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |