CN104917284B - A kind of intelligent voltage converter jack and its voltage conversion method - Google Patents
A kind of intelligent voltage converter jack and its voltage conversion method Download PDFInfo
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- CN104917284B CN104917284B CN201410757368.2A CN201410757368A CN104917284B CN 104917284 B CN104917284 B CN 104917284B CN 201410757368 A CN201410757368 A CN 201410757368A CN 104917284 B CN104917284 B CN 104917284B
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Abstract
The invention discloses a kind of intelligent voltage converter jack and its voltage conversion method, including Power Entry Module, voltage identification module and voltage switching module, Power Entry Module connects civil power input, Power Entry Module is also connected with voltage identification module, voltage identification module is connected with voltage switching module, and voltage switching module also connects civil power input and voltage output simultaneously.After civil power is inputted, voltage identification module recognizes the size of mains input voltage, then the voltage exported with demand is compared, if the size and the voltage swing of output of the voltage of input, voltage switching module continue to keep current voltage conversion state without work；If the size of the voltage of input is equal with the voltage swing of output, judge that voltage switching module is operated, change output voltage, complete the conversion of voltage.Intelligent voltage converter jack can turn low pressure to voltage progress automatic conversion completion high pressure or low pressure turns high voltage functionality.
Description
Technical field
The present invention relates to a kind of socket, a kind of intelligent voltage converter jack and its voltage conversion method are referred in particular to.
Background technology
Electric pressure converter in the market is broadly divided into：Single group is changed（Only 110VAC turns 220VAC or only 220VAC and turned
110VAC）, double groups mutually change（110VAC is inputted, 220VAC is exported;220VAC is inputted, 110VAC is exported）.Single group conversion be
In the case of determining input voltage range, required output voltage is converted into by transformer；Though double groups are mutually changed and realized
Mutual switching between 220VAC and 110VAC, but using preceding needing user according to required output voltage, selected by toggle switch
Select corresponding input voltage.This mode easily makes user accidentally cause maloperation, causes electric pressure converter fuse to burn
It is bad.China Patent Publication No. CN203761124U, publication date August in 2014 6 days, entitled " voltage conversion circuit and with this
A kind of voltage conversion circuit is disclosed in the utility model patent of the voltage conversion device of voltage conversion circuit " and with the voltage
The voltage conversion device of change-over circuit, wherein voltage conversion circuit, including first voltage circuit and second voltage circuit, are also wrapped
Include：The first voltage circuit and the A.C. contactor on second voltage circuit are arranged on, the A.C. contactor is by setting
Voltage relay group on the second voltage circuit is realized to be connected to the first voltage circuit with second voltage circuit
Control is switched between disconnection；And be connected simultaneously with the voltage relay group and A.C. contactor, and ought transport
The alternating voltage circuit that the capable second voltage circuit is connected when damaging.It is disadvantageous in that, the voltage conversion device is still needed to
To switch over manually, easily cause maloperation.
The content of the invention
The purpose of the present invention is to overcome voltage conversion device switching in the prior art to need manual switching, and switching efficiency is relatively low
And easily cause the defect of maloperation there is provided a kind of intelligent voltage converter jack of voltage energy automatic conversion and its voltage conversion
Method.
The purpose of the present invention is achieved by following technical proposals：
A kind of intelligent voltage converter jack, including Power Entry Module, voltage identification module and voltage switching module, electricity
Source input module connects civil power input, and Power Entry Module is also connected with voltage identification module, and voltage identification module and voltage are cut
Mold changing block is connected, and voltage switching module also connects civil power input and voltage output simultaneously.After civil power is inputted, voltage identification mould
Block recognizes the size of mains input voltage, and the voltage then exported with demand is compared, if size and the output of the voltage of input
Voltage swing, then voltage switching module continue to keep current voltage conversion state without work；If the electricity of input
The size of pressure is equal with the voltage swing of output, then judges that voltage switching module is operated, and changes output voltage, completes voltage
Conversion.The process automatically controls for socket, without manual intervention, does not result in maloperation and damages electrical equipment.
As a kind of preferred scheme, Power Entry Module includes transformer and ballast, and voltage switching module is relay,
The output voltage L poles of transformer are connected with 3 pin of ballast, and the output voltage N poles of transformer are connected with 1 pin of ballast；Electricity
The integrated regulator U1 Vin pin of pressure identification module are connected with 2 pin of ballast, integrated regulator U1 GND pin and ballast
4 pin be grounded simultaneously；2 pin of ballast are also connected with electrochemical capacitor EC1 positive pole, electrochemical capacitor EC1 negative pole ground connection, ballast
2 pin be also connected with resistance R1 one end, resistance R1 other end connection resistance R2 one end, resistance R2 other end ground connection, electricity
The resistance R1 other end is also connected with electric capacity C4 one end, and electric capacity C4 other end ground connection, 2 pin of ballast are also connected with voltage-regulator diode
Negative pole, the plus earth of voltage-regulator diode, 2 pin of ballast are also connected with electric capacity C1 one end, electric capacity C1 other end ground connection；
Integrated regulator U1 Vout pin connect the VCC pin of single-chip microcomputer, and the PA2/AIN2 pin of single-chip microcomputer are connected to resistance R1 and resistance R2
Between, the PA5 pin of single-chip microcomputer connection resistance R4 one end, resistance R4 other end connecting triode Q1 base stage and electric capacity C6's
One end, triode Q1 emitter stage and electric capacity C6 other end ground connection, triode Q1 relay connection diode D2 positive pole
With one end of relay, diode D2 negative pole and the other end of relay are connected with integrated regulator U1 Vout pin.Input
AC high voltage after transformer and ballast, become DC low-voltage electricity, DC low-voltage electricity as single-chip microcomputer power supply.Electricity
Hinder R1 and resistance R2 and play the resistance after shunting action, partial pressure by PA2/AIN2 pin input single-chip microcomputer, single-chip microcomputer is according to this voltage
Judge the size of the AC high voltage of input, and control signal is sent to relay by triode Q1, relay is according to monolithic
The conversion for the signal control voltage that machine is sent.
As a kind of preferred scheme, integrated regulator U1 Vout pin are also connected with electric capacity C2 one end, electrochemical capacitor EC2
Positive pole, electric capacity C5 one end, the positive pole of light emitting diode, electric capacity the C2 other end, the electrochemical capacitor EC2 other end, electric capacity C5
Other end ground connection, the negative pole connection resistance R3 of light emitting diode one end, resistance R3 other end ground connection.Light emitting diode is made
For display device, can remind related personnel's intelligent voltage converter jack whether normal work.
As a kind of preferred scheme, the node of the pin of ballast 2 and resistance R1 connections is with integrated regulator U1 Vin pin and surely
Thermistor R5 is also associated between the node of pressure diode D3 positive pole connection.Thermistor R5 plays partial pressure, prevents collection
Into voltage-stablizer U1 overtensions, operating temperature is excessive.
As a kind of preferred scheme, transformer is also associated with Thermal Cutoffs.When temperature exceedes the temperature of setting, temperature
Fuse is disconnected automatically, and normal condition is recovered after automatic after temperature drop.
A kind of voltage conversion method of intelligent voltage converter jack, based on a kind of intelligent voltage converter jack, including
Following steps：
Step 1, intelligent voltage converter jack access civil power, civil power is carried after transformer transformation and ballast rectification
Worked for direct current for single-chip microcomputer；
Step 2, the civil power of input is identified single-chip microcomputer, and the civil power for judging input is 110V or 220V；
Step 3, the voltage if desired exported is equal with the line voltage inputted, then relay works, and completes voltage conversion,
If desired the voltage gone out and the line voltage inputted are unequal, then relay does not work.
As a kind of preferred scheme, single-chip microcomputer is recognized that single-chip microcomputer is to several times several times to the line voltage of input
The voltage of identification is averaged, the line voltage accurately entered.
As a kind of preferred scheme, the civil power that single-chip microcomputer is accurately entered after the line voltage of input is identified
The allowable error value of voltage and the line voltage of the input of standard in theory is 20%.Because the magnitude of voltage numerical value of voltage conversion is
Differ larger between 110V or 220V, 110V and 220V, therefore allowable error value can still be accurately identified for 20%, in input
Line voltage it is unstable have voltage switching function still can be realized during fluctuation.
The beneficial effects of the invention are as follows intelligent voltage converter jack can carry out automatic conversion completion high pressure to voltage and turn low
Pressure or low pressure turn high voltage functionality.And the simple in construction, service life of the present invention is higher, practical.
Brief description of the drawings
Fig. 1 is a kind of circuit theory connection figure of the present invention.
Fig. 2 is a kind of circuit diagram of the present invention.
Wherein：1st, Power Entry Module, 2, voltage identification module, 3, voltage switching module, 4, civil power input, 5, voltage it is defeated
Go out.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment：A kind of intelligent voltage converter jack, its circuit theory connection figure is as shown in figure 1, including power input
Module 1, voltage identification module 2 and voltage switching module 3, Power Entry Module connect civil power input 4, Power Entry Module also with electricity
Pressure identification module is connected, and voltage identification module is connected with voltage switching module, and voltage switching module also connects civil power simultaneously
Input and voltage output 5.Transformer is also associated with Thermal Cutoffs.
A kind of voltage conversion method of intelligent voltage converter jack, based on a kind of intelligent voltage converter jack, including
Following steps：
Step 1, intelligent voltage converter jack access civil power, civil power is carried after transformer transformation and ballast rectification
Worked for direct current for single-chip microcomputer；
Step 2, the civil power of input is identified single-chip microcomputer, and the civil power for judging input is 110V or 220V；Single-chip microcomputer pair
The line voltage of input is recognized that single-chip microcomputer is averaged to the voltage recognized several times, is accurately entered several times
Line voltage, and single-chip microcomputer the line voltage of input is identified after the line voltage that is accurately entered with it is theoretical
The allowable error value of the line voltage of the input of upper standard is 20%.
Step 3, the voltage if desired exported is equal with the line voltage inputted, then relay works, and completes voltage conversion,
If desired the voltage gone out and the line voltage inputted are unequal, then relay does not work.
The physical circuit figure of the present invention is as shown in Fig. 2 Power Entry Module includes transformer and ballast, voltage switching mould
Block is relay, and the output voltage L poles of transformer are connected with 3 pin of ballast, the output voltage N poles of transformer and ballast
1 pin is connected；The integrated regulator U1 of voltage identification module Vin pin are connected with 2 pin of ballast, integrated regulator U1 GND
4 pin of pin and ballast are grounded simultaneously；2 pin of ballast are also connected with electrochemical capacitor EC1 positive pole, electrochemical capacitor EC1 negative pole
Ground connection, 2 pin of ballast are also connected with resistance R1 one end, and the resistance R1 other end connects resistance R2 one end, and resistance R2's is another
One end is grounded, and the resistance R1 other end is also connected with electric capacity C4 one end, and electric capacity C4 other end ground connection, 2 pin of ballast also connect
The negative pole of voltage-regulator diode, the plus earth of voltage-regulator diode are connect, 2 pin of ballast are also connected with electric capacity C1 one end, electric capacity C1
The other end ground connection；Integrated regulator U1 Vout pin connect the VCC pin of single-chip microcomputer, and the PA2/AIN2 pin of single-chip microcomputer are connected to electricity
Hinder between R1 and resistance R2, the PA5 pin of single-chip microcomputer connect resistance R4 one end, resistance R4 other end connecting triode Q1 base
Pole and electric capacity C6 one end, triode Q1 emitter stage and electric capacity C6 other end ground connection, triode Q1 relay connection two
The Vout of pole pipe D2 positive pole and one end of relay, diode D2 negative pole and the other end of relay and integrated regulator U1
Pin is connected.Integrated regulator U1 Vout pin are also connected with electric capacity C2 one end, electrochemical capacitor EC2 positive pole, electric capacity C5 one end,
The positive pole of light emitting diode, electric capacity the C2 other end, the electrochemical capacitor EC2 other end, electric capacity C5 other end ground connection, luminous two
The negative pole connection resistance R3 of pole pipe one end, resistance R3 other end ground connection.The pin of ballast 2 and the node and collection of resistance R1 connections
Thermistor R5 is also associated between the node of the positive pole connection of voltage-stablizer U1 Vin pin and voltage-regulator diode D3.
The AC high voltage of input becomes DC low-voltage electricity, DC low-voltage electricity is as single after transformer and ballast
The power supply of piece machine.Resistance R1 and resistance R2 play the resistance after shunting action, partial pressure and input single-chip microcomputer, monolithic by PA2/AIN2 pin
Machine judges the size of the AC high voltage of input according to this voltage, and sends control signal to relay by triode Q1, after
The conversion for the signal control voltage that electrical equipment is sent according to single-chip microcomputer.
Single-chip microcomputer realizes that code is as follows to input voltage automatic identification：
void Treat_Sensor(void)
{
if(_2msFlag & Bit(fNTCSENSOR))
{
bitclr(_2msFlag,fNTCSENSOR);
VOLTAGE_INTPUT;
// * * * * * * * * * * voltage detecting * * * * * * * * * * //
//DI;
ADCCH = 0b01011000;
ADCCL = 0b00000101;
ADCRL = 0b00000000;
ADCRH = 0b00000000;
ADEN = ON;
ADTRG = ON;
while(ADTRG);
NOP10(); NOP10();NOP10();NOP10();NOP10();
NOP10(); NOP10();NOP10();NOP10();NOP10();
wNTC_Now_Datas = 0;
wNTC_Now_Datas = ADCRH;
wNTC_Now_Datas <<= 4;
wNTC_Now_Datas += (ADCRL >> 4);
//EI;
wTotal_NTC_Result += wNTC_Now_Datas;
bCount_NTC_Time ++ ;
if(bCount_NTC_Time >= 16)
{
bCount_NTC_Time = 0;
wCurrent_NTC_Result = (wTotal_NTC_Result >> 4);
wTotal_NTC_Result = 0;
if(!(bWork_Flag & Bit(fINIT)))
{
bCount_110V_Again = 0;
if(wCurrent_NTC_Result > VOLTAGE_ADC_MID)
{
bCount_In_110V = 0;
bCount_In_220V ++ ;
if(bCount_In_220V >= 3)
{
bCount_In_220V = 0;
if(!(bWork_Flag & Bit(fIN_VOLTAGE_220V)))
{
bitset(bWork_Flag,fIN_VOLTAGE_220V);
bitclr(bWork_Flag,fIN_VOLTAGE_110V);
}
if(!(bWork_Flag & Bit(fINIT)))
{
bitset(bWork_Flag,fINIT);
}
}
}
else
{
bCount_In_220V = 0;
bCount_In_110V ++ ;
if(bCount_In_110V >= 3)
{
bCount_In_110V = 0;
if(!(bWork_Flag & Bit(fIN_VOLTAGE_110V)))
{
bitset(bWork_Flag,fIN_VOLTAGE_110V);
bitclr(bWork_Flag,fIN_VOLTAGE_220V);
}
if(!(bWork_Flag & Bit(fINIT)))
{
bitset(bWork_Flag,fINIT);
}
}
}
}
else
{
bCount_In_110V = 0;
bCount_In_220V = 0;
if(wCurrent_NTC_Result <= VOLTAGE_ADC_MID)
{
bCount_110V_Again ++ ;
if(bCount_110V_Again >= 5)
{
bCount_110V_Again = 0;
bWork_Flag = 0;
//bitset(bWork_Flag,fIN_VOLTAGE_110V);
//bitclr(bWork_Flag,fIN_VOLTAGE_220V);
}
}
else if(wCurrent_NTC_Result >= VOLTAGE_ADC_MAX)
{
bCount_110V_Again = 0;
bCount_220V_Again ++ ;
if(bCount_220V_Again >= 5)
{
bCount_220V_Again = 0;
bWork_Flag = 0;
}
}
else
{
bCount_110V_Again = 0;
}
}
}
}
}
The code that relay conversion and control is realized is as follows：
void Treat_Working(void)
{
if(_2msFlag & Bit(fWORKING))
{
bitclr(_2msFlag,fWORKING);
JDQ_OUTPUT;
NOP10();NOP10();NOP10();NOP10();NOP10();
if(!(bWork_Flag ＆ Bit (fINIT))) // do not initialize
{
IO_JDQ = OFF;
}
else
{
if((bWork_Flag & Bit(fIN_VOLTAGE_220V)) && (!(bWork_Flag & Bit(fIN_
VOLTAGE_110V))))
{
IO_JDQ = OFF;
}
else
{
if((bWork_Flag & Bit(fIN_VOLTAGE_110V)) && (!(bWork_Flag & Bit(fIN_
VOLTAGE_220V))))
{
IO_JDQ = ON;
}
}
}
}
}。
Claims (4)
1. a kind of intelligent voltage converter jack, it is characterized in that, including Power Entry Module, voltage identification module and voltage switching
Module, Power Entry Module connects civil power input, and Power Entry Module is also connected with voltage identification module, voltage identification module and
Voltage switching module is connected, and voltage switching module also connects civil power input and voltage output simultaneously；Power Entry Module includes
Transformer and ballast, transformer are used to carry out civil power transformation, and ballast is used to carry out rectification, voltage to the civil power after transformation
Handover module is relay, and the output voltage L poles of transformer are connected with 3 pin of ballast, the output voltage N Ji He towns of transformer
1 pin for flowing device is connected；The integrated regulator U1 of voltage identification module Vin pin are connected with 2 pin of ballast, integrated regulator U1
GND pin and 4 pin of ballast be grounded simultaneously；2 pin of ballast are also connected with electrochemical capacitor EC1 positive pole, electrochemical capacitor EC1's
Negative pole is grounded, and 2 pin of ballast are also connected with resistance R1 one end, resistance R1 other end connection resistance R2 one end, resistance R2
Other end ground connection, the resistance R1 other end is also connected with electric capacity C4 one end, electric capacity C4 other end ground connection, 2 pin of ballast
Voltage-regulator diode D3 negative pole, voltage-regulator diode D3 plus earth are also connected with, 2 pin of ballast are also connected with the one of electric capacity C1
End, electric capacity C1 other end ground connection；Integrated regulator U1 Vout pin connect the VCC pin of single-chip microcomputer, the PA2/AIN2 of single-chip microcomputer
Pin is connected between resistance R1 and resistance R2, the PA5 pin connection resistance R4 of single-chip microcomputer one end, resistance R4 other end connection three
Pole pipe Q1 base stage and electric capacity C6 one end, triode Q1 emitter stage and electric capacity C6 other end ground connection, triode Q1 collection
Electrode connection diode D2 positive pole and one end of relay, diode D2 negative pole and the other end of relay and integrated voltage-stabilized
Device U1 Vout pin are connected；Single-chip microcomputer is the single-chip microcomputer that input civil power is identified, and the operation principle of relay is：If desired
The voltage of output is equal with the line voltage inputted, then relay works, and completes voltage conversion, the voltage if desired gone out and input
Line voltage it is unequal, then relay does not work.
2. a kind of intelligent voltage converter jack according to claim 1, it is characterized in that, described integrated regulator U1's
Vout pin are also connected with electric capacity C2 one end, electrochemical capacitor EC2 positive pole, electric capacity C5 one end, the positive pole of light emitting diode, electric capacity
The C2 other end, the electrochemical capacitor EC2 other end, electric capacity C5 other end ground connection, the negative pole connection resistance R3 of light emitting diode
One end, resistance R3 the other end ground connection.
3. a kind of intelligent voltage converter jack according to claim 1 or 2, it is characterized in that, the pin of ballast 2 and resistance R1
Temperature-sensitive is also associated between the node of the node of connection and integrated regulator U1 Vin pin and voltage-regulator diode D3 positive pole connection
Resistance R5.
4. a kind of intelligent voltage converter jack according to claim 3, it is characterized in that, transformer is also associated with temperature guarantor
Dangerous silk.
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|---|---|---|---|
| CN201410757368.2A CN104917284B (en) | 2014-12-12 | 2014-12-12 | A kind of intelligent voltage converter jack and its voltage conversion method |
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|---|---|---|---|
| CN201410757368.2A CN104917284B (en) | 2014-12-12 | 2014-12-12 | A kind of intelligent voltage converter jack and its voltage conversion method |
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| CN104917284B true CN104917284B (en) | 2017-08-18 |
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| CN105914869A (en) * | 2016-05-30 | 2016-08-31 | 鹿寨县众盛商贸有限公司 | Control system of controllable double-power-source switch based on PLC |
| CN105958489A (en) * | 2016-06-24 | 2016-09-21 | 宁波音王电声股份有限公司 | AC voltage automatic switching circuit capable of replacing mechanical switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204290474U (en) * | 2014-12-12 | 2015-04-22 | 公牛集团有限公司 | A kind of intelligent voltage converter jack |
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| KR20090030146A (en) * | 2007-09-19 | 2009-03-24 | 김태연 | Auto voltage selector |
| CN201577033U (en) * | 2009-11-30 | 2010-09-08 | 宁波中荣声学科技有限公司 | Automatic voltage switching circuit |
| CN102570845B (en) * | 2012-01-18 | 2014-04-16 | 中山市马迅电器有限公司 | Singlechip-based automatic voltage conversion system |
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| CN204290474U (en) * | 2014-12-12 | 2015-04-22 | 公牛集团有限公司 | A kind of intelligent voltage converter jack |
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Address after: 315314 East District of Industrial Park, Cixi, Ningbo, Zhejiang Patentee after: Bulls group Limited by Share Ltd Address before: 315314 East District of Industrial Park, Cixi, Ningbo, Zhejiang Patentee before: Gongniu Group Co., Ltd. |