CN107887972A - The method of supplying power to and electric power system of a kind of power concentrator - Google Patents
The method of supplying power to and electric power system of a kind of power concentrator Download PDFInfo
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- CN107887972A CN107887972A CN201711381070.6A CN201711381070A CN107887972A CN 107887972 A CN107887972 A CN 107887972A CN 201711381070 A CN201711381070 A CN 201711381070A CN 107887972 A CN107887972 A CN 107887972A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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Abstract
The present invention relates to a kind of method of supplying power to of power concentrator, wherein, concentrator includes Clock battery, clock chip and backup battery, Clock battery electrically connects with clock chip, separately there is power supply to be connected with the clock chip, backup battery is electrically connected by backup battery power supply circuit with clock chip, and in the case where concentrator is in power-up state, power supply electrically connects with clock chip and to be powered to clock chip；In the case where concentrator is in power-down state, backup battery or Clock battery are powered for clock chip.The invention further relates to a kind of electric power system.Compared with prior art, the advantage of the invention is that：The setting of backup battery extends the power supply to clock chip, solve the problems, such as caused concentrator clock failure when Clock battery is under-voltage, backup battery uses rechargeable battery simultaneously, further increases power supply of the backup battery to clock chip, more user-friendly.
Description
Technical field
The present invention relates to field of power communication, and in particular to the method for supplying power to and electric power system of a kind of power concentrator.
Background technology
Concentrator is the centre management equipment and control device of remote auto meter reading system, connection terminal, computer or logical
Believe the central connection point equipment of equipment, be responsible for timing reading terminals data, the order transmission of system, data communication, network management,
The function such as lateral transport of logout, data.
With the continuous propulsion that electric power information is transformed, usage amount of the concentrator in centralized meter-reading system is constantly increasing
Add, key componentses of the clock chip as concentrator, ammeter data collection is carried out to the concentrator zero point moment and uploads main website
System plays a key effect, and maintains the time of clock chip usually using Clock battery at present, but scene operation concentrator is set
When standby, easily by environmental disturbances, when burn into electric leakage, which occurs, for battery or electricity exhausts etc. to run, during by causing concentrator
Between forbidden, the final meter-reading function for influenceing concentrator.
In the prior art, generally when there is battery undervoltage, Clock battery is changed, then resets the concentrator time, is torn open
It is cumbersome to unload equipment replacement, Consumer's Experience can be influenceed；Or more exchange device, concentrator archives are reset, are reached the standard grade again；Or
Person is carried out clock recovery by the way of software mechanism is using storage, stored using software when concentrator Clock battery fails
Mode, when power was lost between it is long, time deviation can be caused serious, these schemes all will influence user experience, bring pole to user
Big inconvenience.
Therefore, it is necessary to be improved further to existing concentrator.
The content of the invention
First technical problem to be solved by this invention is the present situation for prior art, there is provided it is a kind of easy to use and
It can effectively solve the problem that the method for supplying power to of the under-voltage power concentrator of Clock battery.
Second technical problem to be solved by this invention is the present situation for prior art, there is provided it is a kind of easy to use and
It can effectively solve the problem that the electric power system of the under-voltage power concentrator of Clock battery.
Technical scheme is used by the present invention solves above-mentioned first technical problem：A kind of supplier of electricity of power concentrator
Method, the concentrator include Clock battery and clock chip, and the Clock battery electrically connects with clock chip, separately there is power supply electricity
Source is connected with the clock chip, it is characterised in that：Also include backup battery, the backup battery is supplied by backup battery
Circuit electrically connects with clock chip, and the method for supplying power to includes following steps：
Step 1), in the process of running, judge whether concentrator is in power-up state, if concentrator is in power-up state,
Then perform step 2)；Otherwise, step 3) is performed；
Step 2), power supply is powered to clock chip, and returns to operation；
Step 3), the output supply voltage of backup battery；
Step 4), compare whether the electricity of backup battery is sufficient, if the electricity of backup battery is sufficient, perform step 5)；It is no
Then, step 6) is performed；
Step 5), backup battery is powered to clock chip, and returns to operation；
Step 6), Clock battery is powered to clock chip, and returns to operation.
Further preferably, the backup battery is removable installed in concentrator.So, when backup battery fails,
Backup battery is convenient for changing, extends the service life of concentrator, is used with more facilitating user.
Preferably, the backup battery is rechargeable battery, and in the case where concentrator is in power-up state, the power supply can be right
Rechargeable battery charges.So, power supply of the backup battery to clock chip is more extended, and it is more convenient and practical.
Preferably, the Clock battery is lithium battery.
Technical scheme is used by the present invention solves above-mentioned second technical problem：One kind uses above-mentioned power concentrator
Method of supplying power to electric power system, it is characterised in that：Include power supply, backup battery charging circuit, backup battery power supply
Circuit, Clock battery power supply circuit and single-chip microprocessor MCU,
The VDD pins of the output end connection clock chip of the power supply, meanwhile, the output end of power supply also passes through
Later backup battery is connected for battery charger；
The backup battery collaborates after backup battery power supply circuit with the positive pole of Clock battery (1), then with clock core
The VDD pins of piece are connected；
The single-chip microprocessor MCU is connected with backup battery power supply circuit, after the single-chip microprocessor MCU controls according to power-down state
Whether standby battery feed circuit starts.
Preferably, the backup battery charging circuit includes first resistor, second resistance, the first triode, the first MOS
Pipe, the second triode, current-limiting resistance, the first voltage-regulator diode, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity and
Second electric capacity, wherein,
The first end of the first resistor is connected with single-chip microprocessor MCU, the second end of first resistor and the of second resistance
Base stage of the one end with the first triode is connected, and the emitter-base bandgap grading of the first triode and the second end of second resistance are grounded, and described
The collector of one triode is connected with the grid of the first metal-oxide-semiconductor, the source electrode of first metal-oxide-semiconductor and the 4.0V inputs of power supply
It is connected, one end of first electric capacity is connected with the source electrode of the first metal-oxide-semiconductor, the second end ground connection of the first electric capacity；
The first end of the 3rd resistor is connected with the 4.0V inputs of power supply, the second end and first of 3rd resistor
The collector of triode is connected；The drain electrode of first metal-oxide-semiconductor is connected with the first end of the 4th resistance and the emitter-base bandgap grading of the second triode respectively,
The base stage of second triode is connected with the first end of the 5th resistance, the second end of the 4th resistance and the of the 5th resistance
Two ends are grounded, and are connected after the collector connection current-limiting resistance of second triode with the anode of the first voltage-regulator diode, and first
The negative electrode of voltage-regulator diode is connected by socket with backup battery, and VBAT output ends and the backup battery of the backup battery supply
The VBAT inputs of circuit are connected；One end of second electric capacity is connected with the negative electrode of the first voltage-regulator diode, the second electric capacity
The second end ground connection.
Further preferably, the backup battery power supply circuit includes the 6th resistance, the 7th resistance, the 8th resistance, the 9th
Resistance, the tenth resistance, the 3rd triode, the 4th triode, the second metal-oxide-semiconductor, the 3rd electric capacity, the second voltage-regulator diode, inductance L,
14 resistance and the 3rd diode, wherein,
The first end of 14th resistance is connected with the BAT on/off ends of single-chip microprocessor MCU, the second end of the 14th resistance with
The anode of 3rd diode is connected, and the first end of the 6th resistance is connected with the POWER CK ends of single-chip microprocessor MCU, and the of the 6th resistance
Two ends are connected with the base stage of the 3rd triode, the emitter grounding of the 3rd triode, the collector and the three or two of the 3rd triode
First end of the negative electrode of pole pipe with the 7th resistance is connected, and the second end of the 7th resistance and the first end of the 8th resistance are with the 4th
The base stage of triode is connected, and the second end of the 8th resistance and the emitter-base bandgap grading of the 4th triode are grounded；
The first end of tenth resistance is connected with the collector of the 4th triode, the second end and the backup battery of the tenth resistance
VBAT output ends be connected；The collector of 4th triode is connected with the grid of the second metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor with
The first end of inductance is connected；
The first end of 3rd electric capacity and the first end of the 9th resistance are connected with the first end of inductance, the 3rd electricity
The the second end ground connection held, the VBAT output ends of the second end of the 9th resistance and the second end of inductance with the backup battery
It is connected；The drain electrode of second metal-oxide-semiconductor exports 3.6V voltages, output 3.6V after being connected with the anode of the second voltage-regulator diode
Voltage end is the 3.6V output ends of backup battery, and the 3.6V output ends of the backup battery are connected with Clock battery power supply circuit,
To be powered to clock chip.So, in the case where concentrator is in power-down state, the POWER CK ends of single-chip microprocessor MCU detect
Electric signal, low level is effective, and the 3rd triode is not turned on, and now, the electric current at the BAT on/off ends of single-chip microprocessor MCU is through the 14th
Make the 4th triode ON after resistance, the 3rd diode and the 7th resistance, and open the second metal-oxide-semiconductor, so that backup battery
3.6V output ends realize power supply to the clock chip on Clock battery power supply circuit.
Preferably, the Clock battery power supply circuit includes Clock battery, the 11st resistance, the 12nd resistance, the tenth
Three resistance, the first diode and the second diode, the first end of the 11st resistance and the 12nd resistance are electric with clock
The negative pole in pond is connected, and the second end of the 11st resistance and the 12nd resistance is grounded, and the positive pole of the Clock battery is respectively with
The first end of 13 resistance is connected, and the second end of the 13rd resistance is connected with the anode of the first diode, the first diode
Negative electrode be connected with the anode of the second diode, the negative electrode of second diode is connected with the VDD pins of clock chip.
Preferably, the Clock battery power supply circuit also includes the 3rd voltage-regulator diode, and upper electric shape is in concentrator
Under state, the 3.3V output ends of the power supply are connected with the anode of the 3rd voltage-regulator diode, the 3rd voltage-regulator diode
Negative electrode is connected with the VDD pins of clock chip, to be powered to clock chip under being in power-up state in concentrator.
In order to for judging whether Clock battery is under-voltage, it is preferable that be also associated with using on the Clock battery power supply circuit
In the RTCBAT ends of collection Clock battery voltage.So, convenient collection Clock battery voltage, judge that Clock battery is so as to convenient
It is no under-voltage.
Preferably, the Clock battery power supply circuit also includes the 4th electric capacity and the 15th resistance, the 4th electric capacity
It is connected with the first end of the 15th resistance with the FOE pins of clock chip, the second of the 4th electric capacity and the 15th resistance
End is grounded.
Compared with prior art, the advantage of the invention is that：Set in the method for supplying power to and electric power system of the power concentrator
Backup battery is put, in the case where concentrator is in power-up state, power supply is powered to clock chip；Power-down state is in concentrator
Under, during backup battery electricity abundance, backup battery is powered to clock chip, in backup battery not enough power supply, Clock battery with
Clock chip is electrically connected for being powered to clock chip, and the setting of backup battery extends the power supply to clock chip, effectively
Solve the problems, such as caused concentrator clock failure when Clock battery is under-voltage, while backup battery uses rechargeable battery,
Normally in the state of upper electricity, power supply charges concentrator to rechargeable battery, further increases backup battery to clock chip
Power supply, it is more user-friendly.
Brief description of the drawings
Fig. 1 is the flow chart of the method for supplying power to of the power concentrator of the embodiment of the present invention；
Fig. 2 is the circuit theory diagrams of the backup battery charging circuit of electric power system of the embodiment of the present invention；
Fig. 3 is the circuit theory diagrams of the backup battery power supply circuit of electric power system of the embodiment of the present invention；
Fig. 4 is the circuit theory diagrams of the Clock battery power supply circuit of electric power system of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the concentrator of the embodiment of the present invention includes Clock battery 1, clock chip 2 and backup battery 3, when
Clock battery 1 electrically connects with clock chip 2, separately has power supply to be connected with clock chip 2, and backup battery 3 passes through backup battery
Power supply circuit electrically connects with clock chip 2, and in the case where concentrator is in power-up state, power supply electrically connects simultaneously with clock chip 2
To be powered to clock chip 2；In the case where concentrator is in power-down state, backup battery 3 or Clock battery 1 are for clock core
Piece 2 is powered, and under being in power-down state in concentrator, the output voltage of backup battery 3 is electric higher than the output of Clock battery 1
Pressure, therefore, it is necessary to judge whether the electricity of backup battery 3 is sufficient, if during 3 electricity abundance of backup battery, backup battery 3 is by rear
Standby battery feed circuit electrically connects with clock chip 2, so as to be powered to clock chip 2；In the not enough power supply of backup battery 3
When, Clock battery 1 is electrically connected with clock chip 2 for being powered to clock chip 2；Wherein, Clock battery 1 is lithium battery, i.e.,
The method of supplying power to of the power concentrator of the present embodiment, includes following steps：
Step 1), in the process of running, judge whether concentrator is in power-up state, if concentrator is in power-up state,
Then perform step 2)；Otherwise, step 3) is performed；
Step 2), power supply are powered to clock chip 2, and return to operation；
Step 3), the output supply voltage of backup battery 3；
Step 4), compare whether the electricity of backup battery 3 is sufficient, if the electricity of backup battery 3 is sufficient, perform step 5)；
Otherwise, step 6) is performed；
Step 5), backup battery 3 are powered to clock chip 2, and return to operation；
Step 6), Clock battery 1 are powered to clock chip 2, and return to operation.
In the present embodiment, backup battery 3 is removable installed in concentrator, so, convenient when backup battery fails
Maintenance personal changes to backup battery, more convenient and practical.
As shown in Figures 2 to 4, using above-mentioned power concentrator method of supplying power to electric power system, include power supply,
Backup battery charging circuit, backup battery power supply circuit, Clock battery power supply circuit and single-chip microprocessor MCU 5, wherein, power supply electricity
The VDD pins of the one output end connection clock chip 2 in source, meanwhile, the output end of power supply is also by backup battery charging electricity
Road connects backup battery 3；Backup battery 3 collaborates after backup battery power supply circuit with the positive pole of Clock battery 1, then with when
The VDD pins of clock chip 2 are connected；Single-chip microprocessor MCU 5 is connected with backup battery power supply circuit, and single-chip microprocessor MCU 5 is according to power down
State controls the backup battery power supply circuit whether to start.
In the present embodiment, backup battery 3 is rechargeable battery, and backup battery 3 is connected with backup battery charging circuit, and should
Backup battery 3 can be connected with backup battery power supply circuit, single-chip microprocessor MCU 5 and backup battery charging circuit and backup battery
Power supply circuit is connected, and power supply can electrically connect with backup battery charging circuit and Clock battery power supply circuit respectively, clock
Be connected with Clock battery 1 on battery feed circuit, backup battery power supply circuit with behind the positive pole interflow of Clock battery 1 and can and when
The VDD pins of clock chip 2 are connected.Specifically, in the case where concentrator is in power-up state, power supply can fill to rechargeable battery
Electricity；In the case where concentrator is in power-down state, single-chip microprocessor MCU 5 receives power-off signal and opens rechargeable battery or Clock battery confession
Electricity.
As shown in Fig. 2 backup battery charging circuit includes first resistor R1, second resistance R2, the first triode Q1,
One metal-oxide-semiconductor M1, the second triode Q2, current-limiting resistance R, the first voltage-regulator diode VD1,3rd resistor R3, the 4th resistance R4, the 5th
Resistance R5, the first electric capacity C1 and the second electric capacity C2, wherein,
First resistor R1 first end is connected with single-chip microprocessor MCU 5, and first resistor R1 the second end is with second resistance R2's
Base stage of the first end with the first triode Q1 is connected, and the first triode Q1 emitter-base bandgap grading and second resistance R2 the second end connect
Ground, the first triode Q1 collector are connected with the first metal-oxide-semiconductor M1 grid, the first metal-oxide-semiconductor M1 source electrode and power supply
4.0V inputs are connected, and the first electric capacity C1 one end is connected with the first metal-oxide-semiconductor M1 source electrode, the first electric capacity C1 the second termination
Ground；
3rd resistor R3 first end is connected with the 4.0V inputs of power supply, 3rd resistor R3 the second end and first
Triode Q1 collector is connected；First metal-oxide-semiconductor M1 drain electrode respectively with the 4th resistance R4 first end and the second triode Q2
Emitter-base bandgap grading is connected, and the second triode Q2 base stage is connected with the 5th resistance R5 first end, the 4th resistance R4 the second end and the 5th
Resistance R5 the second end is grounded, the sun after the second triode Q2 collector connection current-limiting resistance R with the first voltage-regulator diode VD1
Extremely it is connected, the first voltage-regulator diode VD1 negative electrode is connected by socket 6 with rechargeable battery, the VBAT output ends of rechargeable battery
It is connected with the VBAT inputs of backup battery power supply circuit；Second electric capacity C2 one end and the first voltage-regulator diode VD1 negative electrode
It is connected, the second electric capacity C2 the second end ground connection.
Backup battery charging circuit realizes the detailed process of power supply：Single-chip microcomputer MPU output high level signals are effective, high level
Through first resistor R1, the first metal-oxide-semiconductor M1 is opened, the 4.0V inputs input 4.0V of power supply, lead the second triode Q2
It is logical, rechargeable battery is charged so as to realize, the VBAT output ends of rechargeable battery and the VBAT inputs of backup battery power supply circuit
It is connected, so as to reach the purpose of the power supply of rechargeable battery.
As shown in figure 3, backup battery power supply circuit includes the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th
Resistance R9, the tenth resistance R10, the 3rd triode Q3, the 4th triode Q4, the second metal-oxide-semiconductor M2, the 3rd electric capacity C3, the second voltage stabilizing
Diode VD2, inductance L, 14 resistance 14 and the 3rd diode V3, wherein,
The first end of 14th resistance 14 is connected with the BAT on/off ends of single-chip microprocessor MCU 5, and the second of the 14th resistance 14
End is connected with the 3rd diode V3 anode, and the 6th resistance R6 first end is connected with the POWECK ends of single-chip microprocessor MCU 5, and the 6th
Resistance R6 the second end is connected with the 3rd triode Q3 base stage, the 3rd triode Q3 emitter grounding, the 3rd triode Q3's
First end of collector and the 3rd diode the V3 negative electrode with the 7th resistance R7 is connected, the 7th resistance R7 the second end and the 8th electricity
Hinder base stage of the R8 first end with the 4th triode Q4 to be connected, the 8th resistance R8 the second end and the 4th triode Q4 emitter-base bandgap grading
It is grounded；
Tenth resistance R10 first end is connected with the 4th triode Q4 collector, the tenth resistance R10 the second end and charging
The VBAT output ends of battery are connected；4th triode Q4 collector is connected with the second metal-oxide-semiconductor M2 grid, the second metal-oxide-semiconductor M2's
Source electrode is connected with inductance L first end；
The first end of 3rd electric capacity C3 first end and the 9th resistance R9 first end with inductance L is connected, the 3rd electric capacity
C3 the second end ground connection, the 9th resistance R9 the second end and inductance L the second end are connected with the VBAT output ends of rechargeable battery；
Second metal-oxide-semiconductor M2 drain electrode exports 3.6V voltages, output 3.6V voltages after being connected with the second voltage-regulator diode VD2 anode
Hold the 3.6V output ends for backup battery 3, the 3.6V output ends of backup battery 3 are connected with power supply circuit of clock, to pair when
Clock chip 2 is powered.
The specific work process that backup battery power supply circuit is powered to clock chip：The BAT on/off ends of single-chip microprocessor MCU 5
It is high level always under normal circumstances, the POWER CK ends of single-chip microprocessor MCU 5 detect power-off signal, and low level is effective, the 3rd
Triode Q3 is not turned on, and now, the electric current at the BAT on/off ends of single-chip microprocessor MCU 5 is through the 14th resistance R14, the 3rd diode
Turn on the 4th triode Q4 after V3 and the 7th resistance R7, and open the second metal-oxide-semiconductor M2, rechargeable battery output 3.6V voltages,
So as to realize the power supply to clock chip 2.
As shown in figure 4, Clock battery power supply circuit include Clock battery 1, the 11st resistance 11, the 12nd resistance 12,
The first end of 13rd resistance 13, the first diode V1 and the second diode V2, the 11st resistance 11 and the 12nd resistance 12
Negative pole with Clock battery 1 is connected, and the second end of the 11st resistance 11 and the 12nd resistance 12 is grounded, Clock battery 1
Positive pole is connected with the BAT ends of clock chip 2 and the first end of the 13rd resistance 13 respectively, the second end of the 13rd resistance 13 and the
One diode V1 anode is connected, and the first diode V1 negative electrode is connected with the second diode V2 anode, the second diode V2
Negative electrode be connected with clock chip 2.So, in the case where concentrator is in power-down state, and during 3 not enough power supply of backup battery, energy
Enough clock chip 2 is powered by Clock battery 1.
In order to facilitate judging whether Clock battery is under-voltage, in the present embodiment, it is also associated with using on Clock battery power supply circuit
In the RTCBAT ends of collection Clock battery voltage, the RTCBAT ends are connected with the positive pole of Clock battery.
In the present embodiment, Clock battery power supply circuit also includes the 3rd voltage-regulator diode VD3, and upper electricity is in concentrator
Under state, the 3.3V output ends of power supply are connected with the 3rd voltage-regulator diode VD3 anode, the 3rd voltage-regulator diode VD3's
Negative electrode is connected with the VDD pins of clock chip 2, to be used under being in power-up state in concentrator power to clock chip 2.This
Sample, under the normal power-up state of concentrator, power supply output 3.3V, and can be being powered to clock chip 2.In addition, clock
Battery feed circuit also includes the first of the 4th electric capacity C4 and the 15th resistance R15, the 4th electric capacity C4 and the 15th resistance R15
End is connected with the FOE pins of clock chip 2, and the 4th electric capacity C4 and the 15th resistance R15 the second end are grounded.
In the present embodiment, concentrator is under normal power-up state, and the 3.3V of power supply output crosses 1 the 3rd voltage stabilizing two
Pole pipe VD3, it is higher by the first diode V1 and the second diode V2 voltage than Clock battery 1, it is high according to whose voltage, whose electricity taken
Circuit principle, be that power supply supplies electricity to clock chip 2 under normal circumstances.
In the present embodiment, in concentrator failure, because the power reguirements of Clock battery power supply circuit are low, in maintenance personal
Before maintenance, backup battery can keep for a long time power, more efficiently solve because Clock battery it is under-voltage caused by collection
The problem of middle device clock failure.
It the foregoing is only the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle of the present invention is not departed from, a variety of remodeling or improvement can be carried out to the present invention, these are regarded as the present invention
Protection domain within.
Claims (11)
1. a kind of method of supplying power to of power concentrator, the concentrator includes Clock battery (1) and clock chip (2), described
Clock battery (1) electrically connects with clock chip (2), separately has power supply to be connected with the clock chip (2), its feature exists
In：Also include backup battery (3), the backup battery (3) is electrically connected by backup battery power supply circuit and clock chip (2)
Connect, the method for supplying power to includes following steps：
Step 1), in the process of running, judge whether concentrator is in power-up state, if concentrator is in power-up state, hold
Row step 2)；Otherwise, step 3) is performed；
Step 2), power supply is powered to clock chip (2), and returns to operation；
Step 3), backup battery (3) output supply voltage；
Step 4), compare whether the electricity of backup battery (3) is sufficient, if the electricity of backup battery (3) is sufficient, perform step 5)；
Otherwise, step 6) is performed；
Step 5), backup battery (3) is powered to clock chip (2), and returns to operation；
Step 6), Clock battery (1) is powered to clock chip (2), and returns to operation.
2. the method for supplying power to of power concentrator according to claim 1, it is characterised in that：The backup battery (3) is removable
It is arranged in concentrator with unloading.
3. the method for supplying power to of power concentrator according to claim 2, it is characterised in that：The Clock battery (1) is lithium
Battery.
4. the method for supplying power to of the power concentrator according to any one of claims 1 to 3 claim, it is characterised in that：
The backup battery (3) is rechargeable battery, and in the case where concentrator is in power-up state, the power supply can fill to rechargeable battery
Electricity.
A kind of 5. electric power system of the method for supplying power to of the power concentrator described in usage right requirement 4, it is characterised in that：Include
Power supply, backup battery charging circuit, backup battery power supply circuit, Clock battery power supply circuit and single-chip microprocessor MCU (5),
The VDD pins of the output end connection clock chip (2) of the power supply, meanwhile, the output end of power supply also passes through
Later for battery charger connection backup battery (3)；
The backup battery (3) is collaborated after backup battery power supply circuit with the positive pole of Clock battery (1), then with clock core
The VDD pins of piece (2) are connected；
The single-chip microprocessor MCU (5) is connected with backup battery power supply circuit, and the single-chip microprocessor MCU (5) controls according to power-down state
Whether backup battery power supply circuit starts.
6. electric power system according to claim 5, it is characterised in that：The backup battery charging circuit includes the first electricity
Hinder (R1), second resistance (R2), the first triode (Q1), the first metal-oxide-semiconductor (M1), the second triode (Q2), current-limiting resistance (R),
First voltage-regulator diode (VD1), 3rd resistor (R3), the 4th resistance (R4), the 5th resistance (R5), the first electric capacity (C1) and
Two electric capacity (C2), wherein,
The first end of the first resistor (R1) is connected with single-chip microprocessor MCU (5), the second end of first resistor (R1) and the second electricity
Hinder base stage of the first end of (R2) with the first triode (Q1) to be connected, the emitter-base bandgap grading and second resistance (R2) of the first triode (Q1)
The second end be grounded, the collector of first triode (Q1) is connected with the grid of the first metal-oxide-semiconductor (M1), the first MOS
The source electrode of pipe (M1) is connected with the 4.0V inputs of power supply, one end and the first metal-oxide-semiconductor (M1) of first electric capacity (C1)
Source electrode be connected, the second end of the first electric capacity (C1) ground connection；
The first end of the 3rd resistor (R3) is connected with the 4.0V inputs of power supply, the second end of 3rd resistor (R3) with
The collector of first triode (Q1) is connected；The drain electrode of first metal-oxide-semiconductor (M1) first end and second with the 4th resistance (R4) respectively
The emitter-base bandgap grading of triode (Q2) is connected, and the base stage of second triode (Q2) is connected with the first end of the 5th resistance (R5), described
Second end of the 4th resistance (R4) and the second end of the 5th resistance (R5) are grounded, the collector connection of second triode (Q2)
Anode of the current-limiting resistance (R) afterwards with the first voltage-regulator diode (VD1) is connected, and the negative electrode of the first voltage-regulator diode (VD1) is by inserting
Seat (6) is connected with backup battery (3), the VBAT output ends of the backup battery (3) and the VBAT of backup battery power supply circuit
Input is connected；One end of second electric capacity (C2) is connected with the negative electrode of the first voltage-regulator diode (VD1), the second electric capacity (C2)
The second end ground connection.
7. electric power system according to claim 6, it is characterised in that：The backup battery power supply circuit includes the 6th electricity
Hinder (R6), the 7th resistance (R7), the 8th resistance (R8), the 9th resistance (R9), the tenth resistance (R10), the 3rd triode (Q3), the
Four triodes (Q4), the second metal-oxide-semiconductor (M2), the 3rd electric capacity (C3), the second voltage-regulator diode (VD2), inductance (L), the 14th electricity
(14) and the 3rd diode (V3) are hindered, wherein,
The first end of 14th resistance (14) is connected with the BAT on/off ends of single-chip microprocessor MCU (5), and the of the 14th resistance (14)
Two ends are connected with the anode of the 3rd diode (V3), the first end of the 6th resistance (R6) and the POWE CK ends of single-chip microprocessor MCU (5)
It is connected, the second end of the 6th resistance (R6) is connected with the base stage of the 3rd triode (Q3), the emitter-base bandgap grading of the 3rd triode (Q3)
Ground connection, the first end of the collector of the 3rd triode (Q3) and the negative electrode of the 3rd diode (V3) with the 7th resistance (R7) are connected,
The base stage of second end of the 7th resistance (R7) and the first end of the 8th resistance (R8) with the 4th triode (Q4) is connected, institute
State the second end of the 8th resistance (R8) and the emitter-base bandgap grading of the 4th triode (Q4) is grounded；
The first end of tenth resistance (R10) is connected with the collector of the 4th triode (Q4), the second end of the tenth resistance (R10) and institute
The VBAT output ends for stating backup battery (3) are connected；The collector and the grid phase of the second metal-oxide-semiconductor (M2) of 4th triode (Q4)
Even, the source electrode of the second metal-oxide-semiconductor (M2) is connected with the first end of inductance (L)；
The first end of the first end of 3rd electric capacity (C3) and the first end of the 9th resistance (R9) with inductance (L) is connected, institute
State the second end ground connection of the 3rd electric capacity (C3), the second end of the 9th resistance (R9) and the second end of inductance (L) with it is described
The VBAT output ends of backup battery (3) are connected；The drain electrode of second metal-oxide-semiconductor (M2) and the sun of the second voltage-regulator diode (VD2)
Pole be connected after export 3.6V voltages, output 3.6V voltage ends be backup battery (3) 3.6V output ends, the backup battery
(3) 3.6V output ends are connected with Clock battery power supply circuit, to be powered to clock chip (2).
8. electric power system according to claim 7, it is characterised in that：The Clock battery power supply circuit includes clock electricity
Pond (1), the 11st resistance (11), the 12nd resistance (12), the 13rd resistance (13), the first diode (V1) and the two or two pole
Negative pole of the first end of pipe (V2), the 11st resistance (11) and the 12nd resistance (12) with Clock battery (1) is connected, the
Second end of 11 resistance (11) and the 12nd resistance (12) is grounded, the positive pole and the 13rd resistance of the Clock battery (1)
(13) first end is connected, and the second end of the 13rd resistance (13) is connected with the anode of the first diode (V1), and the one or two
The negative electrode of pole pipe (V1) is connected with the anode of the second diode (V2), the negative electrode and clock chip of second diode (V2)
(2) VDD pins are connected.
9. electric power system according to claim 8, it is characterised in that：The Clock battery power supply circuit also includes the 3rd
Voltage-regulator diode (VD3), the 3.3V output ends of the power supply are connected with the anode of the 3rd voltage-regulator diode (VD3), described
The negative electrode of 3rd voltage-regulator diode (VD3) is connected with the VDD pins of clock chip (2), to be in concentrator under power-up state
Clock chip (2) is powered.
10. electric power system according to claim 9, it is characterised in that：It is also associated with the Clock battery power supply circuit
For gathering the RTCBAT ends of Clock battery (1) voltage.
11. electric power system according to claim 9, it is characterised in that：The Clock battery power supply circuit also includes
The first end of four electric capacity (C4) and the 15th resistance (R15), the 4th electric capacity (C4) and the 15th resistance (R15) and clock core
The FOE pins of piece (2) are connected, and the second end of the 4th electric capacity (C4) and the 15th resistance (R15) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381070.6A CN107887972A (en) | 2017-12-20 | 2017-12-20 | The method of supplying power to and electric power system of a kind of power concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381070.6A CN107887972A (en) | 2017-12-20 | 2017-12-20 | The method of supplying power to and electric power system of a kind of power concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107887972A true CN107887972A (en) | 2018-04-06 |
Family
ID=61771994
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381070.6A Pending CN107887972A (en) | 2017-12-20 | 2017-12-20 | The method of supplying power to and electric power system of a kind of power concentrator |
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| Country | Link |
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| CN (1) | CN107887972A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108873723A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Smart home system |
| CN110854951A (en) * | 2019-11-12 | 2020-02-28 | 珠海格力电器股份有限公司 | Power supply system for high-power air conditioner wire controller, air conditioner and power supply method |
| CN111404255A (en) * | 2019-01-03 | 2020-07-10 | 台达电子工业股份有限公司 | Power supply system |
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| CN204613929U (en) * | 2015-05-29 | 2015-09-02 | 深圳市拓远能源科技有限公司 | A kind of clock power-down protection circuit and intelligent instrument thereof |
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| CN202260496U (en) * | 2011-08-03 | 2012-05-30 | 临沂科锐电子有限公司 | System for achieving management of singlechip power supply based on clock chip |
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| CN108873723A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Smart home system |
| CN111404255A (en) * | 2019-01-03 | 2020-07-10 | 台达电子工业股份有限公司 | Power supply system |
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