CN206302195U - A kind of super capacitor module charge power supply - Google Patents
A kind of super capacitor module charge power supply Download PDFInfo
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- CN206302195U CN206302195U CN201621281534.7U CN201621281534U CN206302195U CN 206302195 U CN206302195 U CN 206302195U CN 201621281534 U CN201621281534 U CN 201621281534U CN 206302195 U CN206302195 U CN 206302195U
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Abstract
The utility model discloses a kind of super capacitor module charge power supply, it includes EMC processing circuit modules, power supply module, Micro-processor MCV, charging regulation setup module, charge control module, temperature collection circuit module and condition indication circuit module；The EMC processing circuit modules are electrically connected with the power supply module, the charge control module, the power supply module is connected with regulation setup module, the condition indication circuit modular electrical of charging, the Micro-processor MCV is connected with regulation setup module, the temperature collection circuit module and the charge control module electric signal of charging, and the charge control module is provided with the positive pole and negative pole of the charge power supply.The utility model can realize automatically adjusting for charging voltage and charging current, and with overload protection and high temperature protection, have defencive function to charging equipment.
Description
【Technical field】
The utility model belongs to oil stain purification techniques field, more particularly to a kind of super capacitor module charge power supply.
【Background technology】
At present, the life of people cannot leave electric power, the various household electrical appliances in average family life, the office in each enterprise
New energy Electric power car in equipment and manufacturing equipment, even people's trip instrument etc., increasing power product
Appear in every field.In these power products, charge power supply seems essential.Fig. 7 is refer to, it is of the prior art to fill
Power supply, generally comprises 4 basic parts：1) EMC process circuits, the main interference for suppressing differential mode and common mode electromagnetism；2)
Charge control part, is substantially carried out voltage and is controlled with the limitation of electric current；3) power supply part；4) state instruction.Prior art
In charge power supply, its charging voltage and charging current are typically solidificated in power source internal, without outside regulating measure, can only meet solid
Determine the super capacitor group of demand charging voltage and charging current；And to charging circuit without overtemperature protection, may in frequent charge
Charging circuit is caused to overheat and burn；In addition, when being charged to super capacitor group, may be super capacitor temperature rise be too high or absolute temperature
Charged when spending high and cause the super capacitor life-span to substantially reduce or cause super capacitor to explode.
Therefore, it is necessary to provide a kind of new super capacitor module charge power supply to solve the above problems.
【Utility model content】
Main purpose of the present utility model is to provide a kind of super capacitor module charge power supply, be capable of achieving charging voltage with
Charging current is automatically adjusted, and with overload protection and high temperature protection, has defencive function to charging equipment.
The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of super capacitor module charge power supply, its bag
EMC processing circuit modules, power supply module and Micro-processor MCV are included, also including the charging maximum current to super capacitor
Charging regulation setup module, charge control module, the temperature with overheat with overload protection being configured with charging maximum voltage
Degree acquisition circuit module and condition indication circuit module；
The EMC processing circuit modules are electrically connected with the power supply module, the charge control module, the confession
Power supply module is connected with regulation setup module, the condition indication circuit modular electrical of charging, the Micro-processor MCV
It is connected with regulation setup module, the temperature collection circuit module and the charge control module electric signal of charging, institute
State positive pole and negative pole that charge control module is provided with the charge power supply.
Further, the EMC processing circuit modules include live wire connection end, zero line connection end, earth terminal, the first electricity
Appearance, the second electric capacity, the 3rd electric capacity and common mode inductance；First electric capacity is connected in parallel on the live wire and is connected with the common mode inductance
Between end and the zero line connection end；One end of second electric capacity is connected with the live wire connection end and the other end connects with described
Ground terminal is connected；One end of 3rd electric capacity is connected with the zero line connection end and the other end is connected with the earth terminal.
Further, the regulation setup module that charges includes the first potentiometer and the second potentiometer；First current potential
One end of device accesses power supply with one end of second potentiometer and the other end is grounded；The slip of first potentiometer
Arm, the travelling arm of second potentiometer are connected with the microprocessor module MCU.
Further, the Micro-processor MCV includes first voltage output end, second voltage output end and temperature signal
Output end；The first voltage output end, the second voltage output end and the temperature signal output end are filled with described
Electric control module is connected.
Further, the charge control module compares including d-c bridge, switch buck circuit module and voltage x current
Circuit module；
One input of the d-c bridge is connected with an output end of the common mode inductance, one of the d-c bridge
Output end is connected with an input of the common mode inductance, connects between an input and an output end of the d-c bridge
It is connected to the 4th electric capacity；
The switch buck circuit module include switching tube, high frequency transformer, diode, first resistor, second resistance with
And current sampling resistor；
The voltage x current comparison circuit module include first comparator, the second comparator, the 3rd comparator, OR gate and
With door.
Further, the switching tube is arranged on the circuit that the high frequency transformer is connected with the d-c bridge, described
The switch control terminal of switching tube is connected with described with the output end of door, the input of the switching tube and the high frequency transformer
One output end connection, the output end of the switching tube is connected with an input of the d-c bridge；
The input of the diode is connected with an output end of the high frequency transformer, the output end of the diode
The 5th electric capacity is connected with, the output head grounding of the 5th electric capacity, the output end of the diode constitutes the charge power supply
Positive pole；
The first resistor is arranged in series in the output end of the diode with the second resistance, the diode it is defeated
Go out end to be connected with the input of the first resistor, the output end of the second resistance is input into one of the high frequency transformer
End connection；
The output end of the second resistance is connected with the output end of the current sampling resistor, the current sampling resistor
Input constitutes the negative pole of the charge power supply.
Further, the output end of the first resistor is connected with an input of the first comparator, and described
Another input of one comparator is connected with the first voltage output end, and the junction is provided with ground protection；
The output end of the first comparator is connected with the input of the OR gate, and another input of the OR gate connects
Connect and be connected with the output end of second comparator；
One input of second comparator is connected with the input of the current sampling resistor, and described second compares
Another input of device is connected with the second voltage output end, and the junction is provided with ground protection；
The output end of the OR gate is connected with the input of the 3rd comparator, and another of the 3rd comparator is defeated
Enter end and be connected with fixed resistance；
The output end of the 3rd comparator is connected with described with an input of door, described another input with door
End is connected with the temperature signal output end.
Further, if the temperature collection circuit module includes dry temperature sensor, the first TEMP is specifically included
Device, second temperature sensor and three-temperature sensor；First temperature sensor is arranged on by the high frequency transformer；
The second temperature sensor is arranged in the charge power supply；The three-temperature sensor is arranged on super capacitor.
Further, the power supply module includes power supply processing module and voltage drop element, and the power supply processes mould
The output end of block is provided with light current output end, and the output end of the voltage drop element is provided with light current reduced output voltage end；
One input of the power supply processing module is connected with an output end of the common mode inductance, at the power supply
Another input for managing module is connected with the output end of the voltage drop element；One output end of the power supply processing module with
The common mode inductance an input connection, and the power supply processing module another output end and the voltage drop element
Input is connected.
Further, the condition indication circuit module includes some LED light groups being connected in parallel, the LED light group bag
Include operation monitoring lamp, charging monitoring lamp, overheat monitoring lamp and overload monitor lamp；The output end of the LED light group with it is described
Micro-processor MCV is connected.
Compared with prior art, the beneficial effect of a kind of super capacitor module charge power supply of the utility model and its control method
It is really：
1) for the charge requirement of super capacitor group, can adjust and charging voltage and charging current are set, it is adaptable to which difference is held
The super capacitor group of amount and voltage request, adjustable charging current is adapted to need different to the different super capacitor group charging intervals
The occasion asked；
2) can automatic detection charge circuit whether overload, it is without damage to be automatically stopped charge protection charge circuit during overload,
Take into full account the situation that charging circuit may overload, there is provided overheat self-protection, it is to avoid charging current is excessive or frequent charge is led
Charge circuit overload is caused to damage；
3) by detecting temperature and the temperature rise of super capacitor, and charging is carried out according to super capacitor temperature rise-current curve
Current limliting, while transfiniting in super capacitor temperature rise, stopping charging when absolute temperature transfinites, charging process takes into account the temperature of super capacitor
Characteristic, limitation charging is carried out using super capacitor temperature rise-current curve, while monitoring that super capacitor temperature rise is too high and absolute temperature
It is too high and stop charge, it is to avoid continue charging cause temperature extremes raise cause the super capacitor life-span quickly to reduce or occur quick-fried
It is fried.
【Brief description of the drawings】
Fig. 1 is the modularized circuit control principle schematic diagram of the utility model embodiment；
Fig. 2 is the main control logic schematic flow sheet of the utility model embodiment；
Fig. 3 is digital independent and the control flow principle schematic of parameter setting conversion in Fig. 2；
Fig. 4 is the control flow principle schematic of super capacitor temperature and temperature rise-current control in Fig. 2；
Fig. 5 is the control flow principle schematic of electric capacity charge control and overload protection in Fig. 2；
Fig. 6 is the control flow principle schematic of state instruction control in Fig. 2；
Fig. 7 is the circuit control principle schematic diagram of prior art.
【Specific embodiment】
Embodiment：
Fig. 1 is refer to, the present embodiment is super capacitor module charge power supply, and it includes EMC processing circuit modules a, charges
Regulation setup module b, charge control module c, temperature collection circuit module d, power supply module e, condition indication circuit module f
And Micro-processor MCV.
EMC processing circuit modules a includes live wire connection end L, zero line connection end N, earth terminal EARTH, the first electric capacity CX, the
Two electric capacity CY1, the 3rd electric capacity CY2 and common mode inductance L1.First electric capacity CX and common mode inductance L1 be connected in parallel on live wire connection end L with
Between the N of zero line connection end.One end of second electric capacity CY1 is connected with live wire connection end L and the other end is connected with earth terminal EARTH.
One end of 3rd electric capacity CY2 is connected with zero line connection end N and the other end is connected with earth terminal EARTH.Zero line connection end N and first
Photo resistance RT is provided between the output end of electric capacity CX.EMC processing circuit module a Main Functions are to common mode to charge power supply
The carrying out of interference and DM EMI suppresses.For common mode disturbances, the second electric capacity CY1, the 3rd electric capacity CY2 and common mode inductance have been used
L1 is suppressed；For DM EMI, employ the first electric capacity CX and suppressed.EMC process parts further suppress to super electricity
Due to overvoltage caused by the high-frequency work of switching tube, the electromagnetic interference such as excessively stream is to system electricity for charge control part during capacity charge
The influence in source.
The regulation setup module that charges b includes the electricity of the first potentiometer W1 and the second potentiometer W2, the first potentiometer W1 and second
Position device W2 is independently arranged.Power supply is accessed in one end of first potentiometer W1 and the second potentiometer W2 and the other end is grounded.First current potential
The travelling arm of device W1 is connected with microprocessor module MCU, is mainly used in adjusting charging current.The travelling arm of the second potentiometer W2 with
Microprocessor module MCU is connected, and is mainly used in adjusting charging voltage.
Micro-processor MCV includes analog-digital converter (ADC), first voltage output end PMW1, second voltage output end
PMW2 and temperature signal output end T_ctl.The analog-digital converter (ADC) and the first potentiometer W1, the second potentiometer
W2 is connected.First voltage output end PMW1, second voltage output end PMW2 and temperature signal output end T_ctl are controlled with charging
Molding block c is connected.
Charge control module c includes d-c bridge B, switch buck circuit module and voltage x current comparison circuit module.Directly
One input of stream bridge B is connected with an output end of common mode inductance L1, an output end of d-c bridge B and common mode inductance L1
An input connection, the effect of d-c bridge B is by ac voltage rectifier into DC voltage.One input of d-c bridge B
The 4th electric capacity C1 is connected between an output end, its effect is filtering, and the pulsating volage of direct current is leached into certain harmonic wave.
Switch buck circuit module includes switching tube Q, high frequency transformer T, diode D, first resistor R1, second resistance R2
And current sampling resistor RS.Voltage x current comparison circuit module includes that first comparator A1, the second comparator A2, the 3rd compare
Device A3, OR gate and with door.Switching tube Q is arranged on the circuit that high frequency transformer T is connected with d-c bridge B, for controlling both
Conducting with cut-out.The switch control terminal of switching tube Q is connected with described with the output end of door, its input and high frequency transformer T
The connection of an output end, its output end is connected with an input of d-c bridge B.The input of diode D and high frequency transformation
Another output end connection of device T.The output end of diode D is connected with the 5th electric capacity C2, the output head grounding of the 5th electric capacity C2,
Its effect is protection diode D.The output end of diode D is connected with the input of first resistor R1, the output of first resistor R1
End is connected with the input of second resistance R2, and the output end of second resistance R2 is connected with another input of high frequency transformer T,
First resistor R1 is arranged in series with second resistance R2.The output end of first resistor R1 is connected with first comparator A1 inputs, the
Another input of one comparator A1 is connected with first voltage output end PMW1, and the junction is provided with ground protection.The
The output end of one comparator A1 is connected with the input of the OR gate, and another input connection of the OR gate is compared with second
The output end connection of device A2.One input of the second comparator A2 is connected with second voltage output end PMW2, and the junction
It is provided with ground protection.Another input of second comparator A2 is connected with the input of current sampling resistor RS, and electric current is adopted
The output end of sample resistance RS is connected with the output end of second resistance R2.The input of the output end of the OR gate and the 3rd comparator A3
End connection, another input of the 3rd comparator A3 is connected with fixed resistance.The output end of the 3rd comparator A3 with it is described with
One input connection of door, it is described to be connected with temperature signal output end T_ctl with another input of door, described and door
Output end is connected with the switch control terminal of switching tube Q, for the connection or disconnection of controlling switch pipe Q.Current sampling resistor RS's
Input constitutes the negative pole of the present embodiment super capacitor module charge power supply；It is super that the output end of diode D constitutes the present embodiment
The positive pole of electric capacity module charge power supply.
If temperature collection circuit module d includes dry temperature sensor, the first temperature sensor t1, second temperature are specifically included
Sensor th and three-temperature sensor tc.First temperature sensor t1 is arranged on by high frequency transformer T, and main measurement is charged
The temperature of control section, if temperature is too high may to cause live part cause thermal damage.Second temperature sensor th is arranged on charging
In control module c, it is used to calculate the temperature rise situation of super capacitor mainly for detection of environment temperature.Three-temperature sensor tc sets
Put on super capacitor, mainly for detection of the absolute temperature of super capacitor module.The temperature rise of super capacitor is：3rd temperature is passed
The temperature that sensor tc is detected subtracts the environment temperature that second temperature sensor th is measured.Super capacitor only fire damage is protected,
Mainly ensure the parameter of absolute temperature and the not super super capacitor of temperature rise.
Mainly the responsible charging current to super capacitor is configured the regulation setup module that charges b, charging ceiling voltage enters
Row is set.Charging current and voltage-regulation are continuously adjusted using potentiometer mode.As regulation the first potentiometer W1 and second
During potentiometer W2, the ADC_I and the voltage signal of ADC_U being converted to by the analog-digital converter (ADC) can be increased
It is big or reduce, after Micro-processor MCV collects signal, program can be adjusted, change first voltage output end PMW1 and the
The output voltage of two voltage output end PMW2, is compared to limit charging current and charging voltage with comparator.
Charge control module c mainly carries out charge control to super capacitor.D-c bridge B is by ac voltage rectifier into direct current
Pressure, electric capacity C1 effects are filtering, and the pulsating volage of direct current is leached into certain harmonic wave.Switching tube Q and high frequency transformer T and two poles
Pipe D constitutes switch buck circuit.
The limitation of charging voltage feeds back to the by the connect output voltage of partial pressure acquisition of first resistor R1, second resistance R2
One comparator A1, (this signal sets the voltage signal of the first voltage output end PMW1 outputs of Micro-processor MCV according to charging regulation
Exported after the charging voltage conversion of circuits) first comparator A1 is also fed back to, first comparator A1 compares two voltages
Compared with when the voltage (i.e. the voltage of second resistance R2 inputs) of charging circuit output is higher than setting voltage (i.e. first voltage output
Hold the output voltage of PMW1), first comparator A1 upsets control the OR gate, the 3rd comparator A3 and described make out with door
Close pipe Q to disconnect, stop the charging to super capacitor.By by the electricity of current sampling resistor RS output ends during the limitation of charging current
Pressure feeds back to the second comparator A2, and the voltage signal of the second voltage output end PMW2 outputs of Micro-processor MCV is also fed back to the
Two comparator A2, the second comparator A2 is compared to two voltages, when the voltage on current sampling resistor RS is higher than the second electricity
The output voltage of pressure output end PMW2, the second comparator A2 upsets, controls the OR gate, the 3rd comparator A3 and described and door
Switching tube Q is disconnected, stops the charging to super capacitor.Wherein the first temperature sensor t1, main measurement charge control part
Temperature, when control live part temperature it is too high when, prevent live part from crossing cause thermal damage.After t1 temperature exceedes arranges value, temperature
The control signal of degree signal output part T_ctl can be directly output to described and door by Micro-processor MCV, and controlling switch pipe Q stops
Only charge, after temperature is reduced to security setting value, the control signal of temperature signal output end T_ctl can be turned off, switching tube Q just meetings
Allow work.
Power supply module e includes power supply processing module AC/DC and voltage drop element LDO, power supply processing module AC/DC's
The output end that output end is provided with light current output end VCC, voltage drop element LDO is provided with light current reduced output voltage end ECC.Power supply treatment
One input of modules A C/DC is connected with an output end of common mode inductance L1, and another input is with voltage drop element LDO's
Output end is connected, and an output end of power supply processing module AC/DC is connected with an input of common mode inductance L1, and another
Output end is connected with the input of voltage drop element LDO.Power supply module e is mainly responsible for Micro-processor MCV, state instruction electricity
Road module f and the regulation setup module b that charges power, specifically, by civil power by after EMC processing circuit modules a treatment, passing through
By voltage transformation into light current, Micro-processor MCV is powered needs lower voltage to power supply processing module AC/DC, and will to ripple
Ask low, therefore VCC is depressured using voltage drop element LDO, and reduce the ripple of voltage and be transformed to ECC to Micro-processor MCV
Powered with condition indication circuit module f.
Condition indication circuit module f includes some LEDs being connected in parallel, and each LED is in series with a resistance.This
LED light group described in embodiment includes operation monitoring lamp LED1, charging monitoring lamp LED2, overheat monitoring lamp LED3 and overload prison
Control lamp LED4.The resistance includes 3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6.Described in each
The input of LED is connected with the light current reduced output voltage end ECC in power supply module e, and output end is and Micro-processor MCV
Connection.Condition indication circuit module f mainly includes：1) operation indicate, when on device electricity and without it is any abnormal when, operation monitoring
Lamp LED1 Chang Liang；2) charge and indicate, when power supply charges to super capacitor module, charging monitoring lamp LED2 dodges per 500ms
Sparkle once, when stopping charging, charging monitoring lamp LED2 extinguishes；3) overheat is indicated, when the absolute temperature for detecting super capacitor or
When temperature rise exceedes setting value, overheat monitoring lamp LED3 is lighted, and monitoring lamp LED3 is overheated after temperature is reduced to safety value and is extinguished；4)
Overload is indicated, and when detecting, charging control circuit temperature is too high, and overload monitor lamp LED4 is lighted when stopping charging, and works as charge control
After the temperature of circuit is reduced to safety value, overload monitor lamp LED4 extinguishes.
The power supply of the present embodiment is input into civil power by live wire connection end L, zero line connection end N, and earth terminal EARTH shields to connect the earth
Cover.By EMC processing circuit module a, the first electric capacity CX of the module is to suppress DM EMI to civil power, and common mode inductance L1 and the
Two electric capacity CY1 are suppression common mode interference.By being respectively whole device to power supply module e after EMC processing circuit modules a
In-line power, to charge control module c for super capacitor charge energy is provided.
Fig. 1, Fig. 2 are refer to, the control method of the present embodiment super capacitor module charge power supply, its step includes,
(1) the regulation setup module that charges b reads setting voltage Ucset, setting electric current Icset, super capacitor maximum functional
Temperature Tmaxc allows temperature rise Tmaxw with super capacitor, and transmits into Micro-processor MCV；
(2) while temperature collection circuit module d collections carry out temperature signal collection and transmit to the Micro-processor MCV；
(3) Micro-processor MCV carries out setting voltage Ucset, setting electric current Icset, temperature signal defeated after digital-to-analogue conversion
Deliver to charge control module c；
(4) charge control module c overheated, premature beats, should during charge control module c be respectively compared setting electricity
Pressure Ucset and the size of the size, setting electric current Icset and output current of output voltage, overload is determined whether with this, described micro-
The processor MCU temperature signals and the size of the maximum operation temperature Tmaxc of super capacitor, were determined whether with this
Heat, and comparative result is transmitted to the charge control module c；
(5) charge control module c controls whether to allow to charge according to comparative result.
The control method of the present embodiment super capacitor module charge power supply, its main flow is：
(1) main logic prepares to start；
(2) MCU Initialize installations；
(3) digital independent is changed with parameter setting；
(4) super capacitor temperature and temperature rise-current control；
(5) electric capacity charge control and overload protection；
(6) state instruction control.
Fig. 1, Fig. 3 are refer to, wherein the control principle that (3) digital independent is changed with parameter setting is：Digital independent and ginseng
Number setting conversion starts；The analog-digital converter ADC started in Micro-processor MCV reads electric current ADC_I；By simulation numeral
Converter (ADC) carries out analog-to-digital conversion, and is converted into setting electric current Icset；Electric current is set and is read and indicate that IsetFlag puts 1；Open
ADC read voltages ADC_U in dynamic Micro-processor MCV；Analog-to-digital conversion is carried out by analog-digital converter (ADC), and is changed
Into setting voltage Ucset；Voltage is set and is read and indicate that UsetFlag puts 1；The spi bus started in Micro-processor MCV are read respectively
Take temperature sensor t1, th, tc；Converse charging control circuit temperature Tk, environment temperature Th, super capacitor absolute temperature T c；
Temperature is set and is read and indicate that TEMPFlag puts 1；Digital independent terminates with Parameter Switch logic.
The regulation setup module b that charges is adjusted by the partial pressure of outside regulation the first potentiometer W1 and the second potentiometer W2
Save the voltage of ADC_I and ADC_U.Micro-processor MCV by gathering the voltage of ADC_I and ADC_U, and by Analog-digital Converter
Device (ADC) is converted into digital quantity, and calculates the charging limitation voltage Ucset and setting charging current Icset of needs, completes two
Mark UsetFlag and IsetFlag will be converted after the conversion of person respectively and will put 1, show that the parameter to setting is carried out
Read.
In order to be controlled, it is necessary to temperature, temperature rise to super capacitor are read out and calculate to completing to charge.It is simultaneously
Protection charging circuit nonoverload, it is also desirable to read the temperature of charging control circuit.Temperature collection circuit module d points in Fig. 1
Three temperature sensors have not been indicated, and in figure 3, logic has first been read after the setting of electric current and voltage, begins through SPI
Data wire reads t1 sensors (charge control part temperature), th sensors (environment temperature) and tc sensors (super electricity respectively
The temperature of appearance), and temperature Tk, environment temperature Th, the temperature Tc of super capacitor of charge control part are calculated respectively.Read out
After temperature parameter, TEMPFlag is put 1, show that temperature data has read and finish.
Fig. 1, Fig. 4 are refer to, wherein (4) super capacitor temperature is with the control principle of temperature rise-current control：First determine whether
Temperature reads whether mark TEMPFlag is 1, if TEMPFlag=1, judges whether super capacitor absolute temperature T c exceedes
Super capacitor maximum operation temperature Tmaxc, if TEMPFlag ≠ 1, stops charging super capacitor；If Tc>Tmaxc, then
It is 1 to set overheat mark TEMPHFlag, and setting charging current Icset clear 0 stops charging super capacitor；If Tc≤
Tmaxc, protection during to complete to charge to super capacitor, by the super capacitor absolute temperature T c and environment temperature Th that read
Calculate the temperature rise Tws of super capacitor；Judge whether super capacitor temperature rise Tws exceedes super capacitor maximal work temperature rise Tmaxw,
If Tws>Tmaxw, then it is 1 directly to set overheat mark TEMPHFlag, stops charging super capacitor；If temperature rise Tws and definitely
Temperature Tc reads the super capacitor temperature rise-current curve for being built into MCU in safe range, then by temperature rise Tws, reads
Go out corresponding chargeable permission electric current Itws；Judging whether setting charging current Icset charges more than temperature rise allows electric current Itws,
If Icset>Itws, then be set to Icset Itws and charged, it is therefore prevented that charging current is excessive to cause the super capacitor life-span to be damaged
Wound.
Fig. 1, Fig. 5 are refer to, wherein (5) electric capacity charge control is with the control principle of overload protection：First determine whether temperature
Read whether mark TEMPFlag is 1, if TEMPFlag=1, show that the data of temperature sensor have read and finish；Sentence again
Whether disconnected overheat mark TEMPHFlag is 1, if overheat mark TEMPHFlag=1, show super capacitor absolute temperature or
Person's temperature rise all has been over the working limit of super capacitor, and now it can not be charged；If overheat mark TEMPHFlag
≠ 1, then judge whether charging control circuit overloads, i.e., whether overload mark OverFlag is 1, if OverFlag=1, is judged
Whether the temperature Tk of the charge control module of temperature sensor t1 measurements is less than overload design temperature Tkset, if Tk<Tkset, then
Time delay 3s overload marks OverFlag sets to 0；If OverFlag ≠ 1, temperature sensor t1 measurement charge control modules are judged
Whether temperature Tk is more than overload design temperature Tkset, if Tk>Tkset, then put 1 by overload mark OverFlag, shows control of charging
There is overheat in circuit processed, charge control loop overload, continuation charging will cause charge circuit to damage；If Tk≤Tkset and
OverFlag ≠ 1, then judge whether UsetFlag and IsetFlag is 1, if UsetFlag=1＆IsetFlag=1, presses
UsetFlag values are converted into first voltage output end PMW1 output voltages, adjust out maximum charge limitation voltage, then press
IsetFlag values are converted into second voltage output end PMW2 output voltages, adjust out maximum charge limitation electric current, then mark charging
Will ChargeFlag puts 1, shows now charging super capacitor group, and temperature signal output end T_ctl controlled outputs are allowed
Charge；Otherwise by charge flag ChargeFlag clear 0, temperature signal output end T_ctl controlled outputs disconnect charging circuit, forbid
Charge.
Fig. 1, Fig. 6 are refer to, wherein the control principle that (6) state instruction is controlled is：The control of indication LED is run by MCU
Run control signals be controlled, when control logic detects UsetFlag and IsetFlag puts 1, illustrate to have read
Arrange parameter, now device be in running status, state instruction logic control Run signals light operation LED, otherwise extinguish fortune
Row LED.The flicker of same charging indication LED is indicated, and whether main judgement symbol ChargeFlag is 1；Overheat sentencing for indication LED
It is disconnected to be whether foundation HotFlag is 1；Whether the indication LED of overload is 1 according to OverFlag.
The present embodiment is that the beneficial effect of super capacitor module charge power supply and its control method is：
1) for the charge requirement of super capacitor group, can adjust and charging voltage and charging current are set, it is adaptable to which difference is held
The super capacitor group of amount and voltage request, adjustable charging current is adapted to need different to the different super capacitor group charging intervals
The occasion asked；
2) can automatic detection charge circuit whether overload, it is without damage to be automatically stopped charge protection charge circuit during overload,
Take into full account the situation that charging circuit may overload, there is provided overheat self-protection, it is to avoid charging current is excessive or frequent charge is led
Charge circuit overload is caused to damage；
3) by detecting temperature and the temperature rise of super capacitor, and charging is carried out according to super capacitor temperature rise-current curve
Current limliting, while transfiniting in super capacitor temperature rise, stopping charging when absolute temperature transfinites, charging process takes into account the temperature of super capacitor
Characteristic, limitation charging is carried out using super capacitor temperature rise-current curve, while monitoring that super capacitor temperature rise is too high and absolute temperature
It is too high and stop charge, it is to avoid continue charging cause temperature extremes raise cause the super capacitor life-span quickly to reduce or occur quick-fried
It is fried.
Above-described is only some implementation methods of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (10)
1. a kind of super capacitor module charge power supply, it includes EMC processing circuit modules, power supply module and microprocessor
MCU, it is characterised in that：Also include the charging regulation being configured to the charging maximum current and charging maximum voltage of super capacitor
Setup module, the charge control module with overheat and overload protection, temperature collection circuit module and condition indication circuit mould
Block；
The EMC processing circuit modules are electrically connected with the power supply module, the charge control module, the power supply electricity
Source module is connected with regulation setup module, the condition indication circuit modular electrical of charging, the Micro-processor MCV and institute
Charging regulation setup module, the temperature collection circuit module and charge control module electric signal connection are stated, it is described to fill
Electric control module is provided with the positive pole and negative pole of the charge power supply.
2. super capacitor module charge power supply as claimed in claim 1, it is characterised in that：The EMC processing circuit modules bag
Include live wire connection end, zero line connection end, earth terminal, the first electric capacity, the second electric capacity, the 3rd electric capacity and common mode inductance；Described
One electric capacity and the common mode inductance are connected in parallel between the live wire connection end and the zero line connection end；The one of second electric capacity
End is connected with the live wire connection end and the other end is connected with the earth terminal；One end of 3rd electric capacity connects with the zero line
Connect end connection and the other end is connected with the earth terminal.
3. super capacitor module charge power supply as claimed in claim 1, it is characterised in that：The regulation setup module bag that charges
Include the first potentiometer and the second potentiometer；Power supply is accessed with one end of second potentiometer in one end of first potentiometer
And the other end is grounded；The travelling arm of first potentiometer, second potentiometer travelling arm with the microprocessor
Module MCU is connected.
4. super capacitor module charge power supply as claimed in claim 2, it is characterised in that：The Micro-processor MCV includes the
One voltage output end, second voltage output end and temperature signal output end；The first voltage output end, the second voltage
Output end and the temperature signal output end are connected with the charge control module.
5. super capacitor module charge power supply as claimed in claim 4, it is characterised in that：The charge control module includes straight
Stream bridge, switch buck circuit module and voltage x current comparison circuit module；
One input of the d-c bridge is connected with an output end of the common mode inductance, an output of the d-c bridge
End is connected with an input of the common mode inductance, is connected between an input and an output end of the d-c bridge
4th electric capacity；
The switch buck circuit module includes switching tube, high frequency transformer, diode, first resistor, second resistance and electricity
Stream sampling resistor；
The voltage x current comparison circuit module include first comparator, the second comparator, the 3rd comparator, OR gate and with
Door.
6. super capacitor module charge power supply as claimed in claim 5, it is characterised in that：The switching tube is arranged on the height
On the circuit that frequency power transformer is connected with the d-c bridge, the switch control terminal of the switching tube connects with the output end with door
Connect, the input of the switching tube is connected with an output end of the high frequency transformer, the output end of the switching tube and institute
State the input connection of d-c bridge；
The input of the diode is connected with an output end of the high frequency transformer, the output end connection of the diode
There are the 5th electric capacity, the output head grounding of the 5th electric capacity, the output end of the diode constitutes the positive pole of the charge power supply；
The first resistor is arranged in series in the output end of the diode, the output end of the diode with the second resistance
Input with the first resistor is connected, and the output end of the second resistance connects with an input of the high frequency transformer
Connect；
The output end of the second resistance is connected with the output end of the current sampling resistor, the input of the current sampling resistor
End constitutes the negative pole of the charge power supply.
7. super capacitor module charge power supply as claimed in claim 6, it is characterised in that：The output end of the first resistor with
One input connection of the first comparator, another input and the first voltage of the first comparator are exported
End connection, and the junction is provided with ground protection；
The output end of the first comparator is connected with the input of the OR gate, the connection of another input of the OR gate with
The output end connection of second comparator；
One input of second comparator is connected with the input of the current sampling resistor, second comparator
Another input is connected with the second voltage output end, and the junction is provided with ground protection；
The output end of the OR gate is connected with the input of the 3rd comparator, another input of the 3rd comparator
It is connected with fixed resistance；
The output end of the 3rd comparator is connected with described with an input of door, described another input with door with
The temperature signal output end connection.
8. super capacitor module charge power supply as claimed in claim 5, it is characterised in that：The temperature collection circuit module bag
If including dry temperature sensor, the first temperature sensor, second temperature sensor and three-temperature sensor are specifically included；It is described
First temperature sensor is arranged on by the high frequency transformer；The second temperature sensor is arranged in the charge power supply；
The three-temperature sensor is arranged on super capacitor.
9. super capacitor module charge power supply as claimed in claim 2, it is characterised in that：The power supply module includes electricity
Source processing module and voltage drop element, the output end of the power supply processing module are provided with light current output end, the voltage drop element
Output end be provided with light current reduced output voltage end；
One input of the power supply processing module is connected with an output end of the common mode inductance, and the power supply processes mould
Another input of block is connected with the output end of the voltage drop element；One output end of the power supply processing module with it is described
One input connection of common mode inductance, and another output end and the voltage drop element of the power supply processing module input
End connection.
10. super capacitor module charge power supply as claimed in claim 2, it is characterised in that：The condition indication circuit module
Including some LED light groups being connected in parallel, the LED light group include operation monitoring lamp, charging monitoring lamp, overheat monitoring lamp and
Overload monitor lamp；The output end of the LED light group is connected with the Micro-processor MCV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281534.7U CN206302195U (en) | 2016-11-28 | 2016-11-28 | A kind of super capacitor module charge power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281534.7U CN206302195U (en) | 2016-11-28 | 2016-11-28 | A kind of super capacitor module charge power supply |
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| Publication Number | Publication Date |
|---|---|
| CN206302195U true CN206302195U (en) | 2017-07-04 |
Family
ID=59211808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621281534.7U Expired - Fee Related CN206302195U (en) | 2016-11-28 | 2016-11-28 | A kind of super capacitor module charge power supply |
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| Country | Link |
|---|---|
| CN (1) | CN206302195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505707A (en) * | 2016-11-28 | 2017-03-15 | 丽水学院 | A kind of super capacitor module charge power supply |
| CN108496291A (en) * | 2018-02-28 | 2018-09-04 | 深圳辰锐软件开发有限公司 | Farad capacitor charging circuit and electronic equipment |
-
2016
- 2016-11-28 CN CN201621281534.7U patent/CN206302195U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505707A (en) * | 2016-11-28 | 2017-03-15 | 丽水学院 | A kind of super capacitor module charge power supply |
| CN108496291A (en) * | 2018-02-28 | 2018-09-04 | 深圳辰锐软件开发有限公司 | Farad capacitor charging circuit and electronic equipment |
| WO2019165596A1 (en) * | 2018-02-28 | 2019-09-06 | 深圳辰锐软件开发有限公司 | Farad capacitor charging circuit and electronic device |
| CN108496291B (en) * | 2018-02-28 | 2022-07-08 | 深圳辰锐软件开发有限公司 | Farad capacitor charging circuit and electronic equipment |
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Granted publication date: 20170704 Termination date: 20171128 |