CN105591438A - Micro-power battery pack and micro photovoltaic inverter device with safety control - Google Patents
Micro-power battery pack and micro photovoltaic inverter device with safety control Download PDFInfo
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- CN105591438A CN105591438A CN201610100853.1A CN201610100853A CN105591438A CN 105591438 A CN105591438 A CN 105591438A CN 201610100853 A CN201610100853 A CN 201610100853A CN 105591438 A CN105591438 A CN 105591438A
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- storage module
- power storage
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- voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Abstract
Little power battery group, its characterized in that: the power supply comprises a plurality of power storage modules, a control module, an isolation diode, a second power supply point, a power supply input point, a power supply output point and a public place; in the power storage module: the circuit comprises an input node, an output node, a fuse, a second resistor, a first capacitor, a first inductor, a first diode, a second capacitor, a second diode, a third diode, a zero-number sampling resistor, a one-number sampling resistor, a switch, a rechargeable battery, a power supply place, a single chip microcomputer, a bootstrap node, a sampling node and an optical coupler. The micro photovoltaic inverter device with safety control is provided with the micro power supply battery pack. The invention has the advantages of low cost, flexible application, long service life, difficult damage, stability and reliability, can test whether the diode connected between the anode and the high-voltage pole of the direct-current power supply is broken or not by utilizing the electric energy of the direct-current power supply under the condition of running of the direct-current power supply, and can reliably detect the broken circuit of the fuse through the bypass in real time.
Description
Technical field
The invention belongs to applying electronic field, the miniature photovoltaic that be specifically related to micro-power-supply battery group, has a security control is contraryBecome apparatus.
Background technology
Easily there is overheated damage in the energy-storage battery having in miniature photovoltaic DC-to-AC converter, and further causes system to be damagedWound.
The operating instant self-inspection of circuit has huge meaning, prior art for the appearance of prevention circuit safety problemThere is no the instant testing method of the diode that anticathode is connected with power supply high-pressure stage, that is to say when the positive pole of a diode withIf in the connected situation of power supply high-pressure stage, diode is opened a way suddenly (owing to puncturing, burn etc.), so circuit be difficult to by fromExamine circuit or program and detect immediately, this lost efficacy for instant testing circuit is a huge trouble; The electric power storage module of power supplyIn single battery is increased to fuse can prevent that the excessive battery that causes of electric current from damaging, but after fuse fracture, battery cannot continueContinuous discharge and recharge the connivance amount of having damaged battery pack, need to pick maintenance, replacing battery, generally the battery in battery packPicking maintenance, changing in the maintenance of battery pack entirety is to carry out, and need to interrupt using to battery pack entirety, and this holds for needsThe system of the buffer memory electric energy of reforwarding row is unfavorable.
Summary of the invention
For the problem of narrating in technical solution background, the present invention proposes micro-power-supply battery group, miniature photovoltaic DC-to-AC converter dressPut.
The present invention has following technology contents.
1, micro-power-supply battery group, is characterized in that: comprise multiple power storage module, control module, isolating diode (D99),Second source point (VCC2), power supply input point (VCC1), power supply output point (OUT), common location;
In power storage module: comprise input node (IN1), output node (IN2), fuse (LF), the second resistance (R2), the first electricityResistance (R1), the first electric capacity (C1), the first inductance (L1), the first diode (D1), the second electric capacity (C2), the second diode (D2),The 3rd diode (D3), No. zero sampling resistor (R20), No. one sampling resistor (R21), switch (K1), chargeable battery (BAT), electricitySeedbed point (GND1), single-chip microcomputer (PIC12F510), bootstrapping node (P), sampling node (S), optocoupler (OC1);
In power storage module: the positive pole of the first diode (D1) is connected with input node (IN1), the negative pole warp of the first diode (D1)Be connected to the positive pole of chargeable battery (BAT) by fuse;
In power storage module: the negative pole of the second diode (D2) is connected with output node (IN2), the positive pole of the second diode (D2) withThe negative pole of the first diode (D1) is connected;
In power storage module: the negative pole of the 3rd diode (D3) is connected with the positive pole of chargeable battery (BAT), the 3rd diode (D3)Positive pole is connected with bootstrapping node (P);
In power storage module: the positive pole of the transmitting terminal of optocoupler (OC1) is connected with the negative pole of the first diode (D1), optocoupler (OC1)The negative pole of transmitting terminal is connected to bootstrapping node (P), positive pole and the single-chip microcomputer of the receiving terminal of optocoupler (OC1) via the second resistance (R2)(PIC12F510) the IO pin (GP5) that can be set to output mode is connected, negative pole and the power supply of the receiving terminal of optocoupler (OC1)Place (GND1) is connected;
In power storage module: the switch passage of switch (K1) has a end, b holds this two links, the switch passage of switch (K1)A end is connected to bootstrapping node (P) by the first inductance (L1), b end and the power supply place (GND1) of the switch passage of switch (K1)Be connected, the control end of switch (K1) is connected with an IO pin of single-chip microcomputer (PIC12F510), the switch passage of switch (K1) lead toDisconnected state is subject to the control of single-chip microcomputer (PIC12F510); Shutoff and the conducting state of the switch passage of switch (K1) can be by monolithicsMachine (PIC12F510) is controlled, in the situation that the 3rd diode (D3) disconnects, and shutoff and the conducting of the switch passage of switch (K1)The self inductance effect of handover trigger first inductance (L1) of state impels the voltage of bootstrapping node (P) to promote can be higher than dc source(BAT) turn-on voltage of the magnitude of voltage of high-pressure stage and the 3rd diode (D3) and and continuity for a long time, the three or two utmost pointPipe (D3) is if normally, because the discharge process of the 3rd diode (D3) makes to boot the voltage of node (P) higher than dc source(BAT) turn-on voltage of the magnitude of voltage of high-pressure stage and the 3rd diode (D3) and time can be very short, postpone one littleThe magnitude of voltage of section time bootstrapping node (P) will drop to magnitude of voltage and the three or two utmost point of the high-pressure stage that approaches dc source (BAT)Pipe (D3) turn-on voltage and value, therefore this circuit can judge the open circuit feelings of three diodes (D3) in circuit voluntarilyCondition; The default conditions of switch (K1) are for disconnecting;
In power storage module: one of sampling node (S) and single-chip microcomputer (PIC12F510) can be set to high-impedance state and sampling configurationIO pin be connected;
In power storage module: one end of No. zero sampling resistor (R20) is connected with bootstrapping node (P), No. zero sampling resistor (R20) separatelyAn end is connected with sampling node (S);
In power storage module: an end of No. one sampling resistor (R21) is connected with sampling node (S), No. one sampling resistor (R20)Another end is connected with an IO pin that can be set to output mode and high-impedance state of single-chip microcomputer (PIC12F510), this IO pinBe used for controlling the Grounding of No. one sampling resistor (R21), this IO pin is set to output mode and is set to export electronegative potentialThe voltage of Shi Ziju node (P) order about electric current flow through successively No. zero sampling resistor (R20), No. one sampling resistor (R21) thus makeSingle-chip microcomputer (PIC12F510) can be taked the voltage data of sampling node (S) and calculate bootstrapping node from sampling node (S)Real-time voltage value; During without sampling, another end of No. one sampling resistor (R20) is connected with the IO pin of single-chip microcomputer (PIC12F510)Can be set to high-impedance state and reduce power loss;
In power storage module: the supply pin of single-chip microcomputer (PIC12F510) is connected with the positive pole of chargeable battery (BAT), single-chip microcomputer(PIC12F510) grounding leg is connected with power supply place (GND1);
In power storage module: two ends of the second electric capacity (C2) respectively with grounding leg and the supply pin phase of single-chip microcomputer (PIC12F510)Connect, play the effect of filtering;
Power supply place (GND1) is connected with the negative pole of chargeable battery (BAT).
Power supply place (GND1) between each power storage module is connected in common location;
The input node (IN1) of all power storage module is all connected with power supply input point (VCC1);
The output node (IN2) of all power storage module is all connected with second source point (VCC2);
Power supply input point (VCC1) is connected with the positive pole of isolating diode (D99), power supply output point (OUT) and isolating diode(D99) negative pole is connected;
Second source point (VCC2) is connected with the negative pole of isolating diode (D99);
Between control module and each power storage module, can carry out communication, control module can command each power storage module to carry out certainlyThe state of inspection operation detection optocoupler and fuse, the power supply access point of control module is connected with second source point (VCC2), controlsModule relies on the electrical potential difference between second source point (VCC2) and common location to drive operation.
2, the micro-power-supply battery group as described in technology contents 1, is characterized in that: in power storage module, also have the first resistance(R1), the first electric capacity (C1); An end of the first electric capacity (C1) is connected with bootstrapping node (P), another of the first electric capacity (C1)End is connected to a end of the switch passage of switch (K1) via the first resistance (R1).
3, the micro-power-supply battery group as described in technology contents 1, is characterized in that: in power storage module, also have the first voltage-stabiliser tube(ZD1); What the first voltage-stabiliser tube (ZD1) was correct is arranged on guarantee bootstrapping node between bootstrapping node (P) and power supply place (GND1)(P) voltage can be too not high in order to avoid damage circuit, and the voltage stabilizing value of the first voltage-stabiliser tube (ZD1) is greater than the high pressure of dc source (BAT)The voltage difference of the utmost point and the low pressure utmost point, the voltage stabilizing value of the first voltage-stabiliser tube (ZD1) is less than high-pressure stage and the low pressure utmost point of dc source (BAT)Two times of voltage difference.
4, the micro-power-supply battery group as described in technology contents 1, is characterized in that: in power storage module, also have the second voltage-stabiliser tube(ZD2); Between the supply pin of what the second voltage-stabiliser tube (ZD2) was correct be arranged on single-chip microcomputer (PIC12F510) and grounding leg, play guarantorProtect the effect of single-chip microcomputer (PIC12F510).
5, the micro-power-supply battery group as described in technology contents 1, is characterized in that: in power storage module, also there is LED lamp pearl,The light on and off of LED lamp pearl are subject to the control of single-chip microcomputer (PIC12F510), are used to indicate the position at power storage module place, person easy to useThereby find problem battery position to be convenient for changing, thereby person easy to use finds problem battery, position is convenient for changing.
6, the micro-power-supply battery group as described in technology contents 1, is characterized in that: in power storage module, also have communication module(TXMK), single-chip microcomputer (PIC12F510) can pass through communication module (TXMK) and external device communication.
7, the micro-power-supply battery group as described in technology contents 1, is characterized in that: the chargeable battery (BAT) in power storage moduleFor chargeable fuel cell.
8, the micro-power-supply battery group as described in technology contents 1, is characterized in that: the fuse (LF) in power storage module is temperatureDegree fuse, has temperature transmission channels between fuse (LF) and chargeable battery (BAT), when the temperature of chargeable battery (BAT)When the fusing-off temperature of over insurance silk (LF), fuse (LF) fusing, prevents from continuing to put in the overheated situation of chargeable battery (BAT)Electricity and charging.
9, the micro-power-supply battery group as described in technology contents 1, is characterized in that: the single-chip microcomputer in power storage module(PIC12F510) in, have optocoupler trace routine, its step comprises:
(1), the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to export mouldThe IO pin (GP5) of formula is set to output mode and is set to export high potential;
(2), read by the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to defeatedGo out the current potential of the IO pin (GP5) of pattern; If the value of the current potential reading is high potential, illustrate that optocoupler normally enters next step;If the value of the current potential reading is electronegative potential, optocoupler is described extremely or fuse fracture, program is returned to representative ' test crashMessage ' value and finish optocoupler trace routine;
(3), Closing Switch (K1);
(4), postpone the self inductance effect of elimination inductance (L1);
(5), read by the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to defeatedGo out the current potential of the IO pin (GP5) of pattern; If the value of the current potential reading is electronegative potential, illustrate that optocoupler is normal, program enters downOne step, illustrates that optocoupler is abnormal, and program is returned to the value of representative ' optocoupler is abnormal ' and finished optocoupler trace routine;
(6), the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to export mouldThe IO pin (GP5) of formula is set to high-impedance state; Reduce power loss;
(7), program is returned to the value of representative ' optocoupler is normal ' and is finished optocoupler trace routine.
The miniature photovoltaic DC-to-AC converter 10, with security control, is characterized in that: arbitrary in the content that possesses skills 1-9Technical scheme described in technology contents.
Technology contents explanation and beneficial effect thereof.
Principle: single-chip microcomputer obtains bootstrapping module (ZJMK) by sampling module (CYMK) and starts the bootstrapping end after bootstrapping functionMagnitude of voltage, and use obtain magnitude of voltage deduct ' magnitude of voltage of the high-pressure stage of dc source (BAT) and the 3rd diode (D3)Turn-on voltage and ' difference can judge the 3rd diode (D3) and whether open a way; This circuit is at fuse circuit breaking and haveIn the situation of power supply input, the transmitting terminal of optocoupler (OC1) can make the reception receiving end of optocoupler (OC1) connect, and makes single-chip microcomputer(PIC12F510) can monitor opening circuit of fuse, and power storage module is changed and is not affected the fortune of other power storage module in real timeOK.
The present invention is with low cost, applying flexible, long service life, not fragile, reliable and stable, can transport at dc sourceIn the situation of row, utilize the power test ' the anodal diode being connected with the high-pressure stage of dc source ' of dc source whether to existOpen circuit, can detect opening circuit of fuse by bypass reliably in real time.
Brief description of the drawings
Fig. 1 is the schematic diagram of embodiment 1.
Concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1, as shown in Figure 1, micro-power-supply battery group, is characterized in that: comprise multiple power storage module, control mouldPiece, isolating diode D99, second source point VCC2, power supply input point VCC1, power supply output point OUT, common location;
In power storage module: comprise input node IN1, output node IN2, fuse LF, the second resistance R 2, the first resistance R 1, theOne capacitor C 1, the first inductance L 1, the first diode D1, the second capacitor C 2, the second diode D2, the 3rd diode D3, adopt for No. zeroSample resistance R 20, No. one sampling resistor R21, K switch 1, chargeable battery BAT, power supply place GND1, single-chip microcomputer PIC12F510, fromLift node P, sampling node S, optocoupler OC1;
In power storage module: the positive pole of the first diode D1 is connected with input node IN1, and the negative pole of the first diode D1 is via insuranceSilk is connected to the positive pole of chargeable battery BAT;
In power storage module: the negative pole of the second diode D2 is connected with output node IN2, the positive pole of the second diode D2 and the or twoThe negative pole of utmost point pipe D1 is connected;
In power storage module: the negative pole of the 3rd diode D3 is connected with the positive pole of chargeable battery BAT, the positive pole of the 3rd diode D3 withBootstrapping node P is connected;
In power storage module: the positive pole of the transmitting terminal of optocoupler OC1 is connected with the negative pole of the first diode D1, the transmitting terminal of optocoupler OC1Negative pole be connected to bootstrapping node P, the positive pole of the receiving terminal of optocoupler OC1 and single-chip microcomputer PIC12F510's via the second resistance R 2The IO pin GP5 that can be set to output mode is connected, and the negative pole of the receiving terminal of optocoupler OC1 is connected with power supply place GND1;
In power storage module: the switch passage of K switch 1 has a end, b holds this two links, a end of the switch passage of K switch 1Be connected to bootstrapping node P by the first inductance L 1, the b end of the switch passage of K switch 1 is connected with power supply place GND1, K switch 1Control end be connected with an IO pin of single-chip microcomputer PIC12F510, the on off operating mode of the switch passage of K switch 1 is subject to single-chip microcomputerThe control of PIC12F510; The shutoff of the switch passage of K switch 1 and conducting state can be controlled by single-chip microcomputer PIC12F510,In the situation that the 3rd diode D3 disconnects, the shutoff of switch passage of K switch 1 and the handover trigger of conducting state the first inductance L 1Self inductance effect impel the voltage of bootstrapping node P to promote can be higher than the magnitude of voltage of the high-pressure stage of dc source BAT and the three or twoThe turn-on voltage of utmost point pipe D3 and and continuity for a long time, if the 3rd diode D3 is normal, due to the 3rd diode D3'sDischarge process makes to boot the voltage of node P higher than the magnitude of voltage of the high-pressure stage of dc source BAT and leading of the 3rd diode D3Logical magnitude of voltage and time can be very short, the magnitude of voltage that postpones a bit of time bootstrapping node P will drop to and approach direct currentThe turn-on voltage of the magnitude of voltage of the high-pressure stage of source BAT and the 3rd diode D3 and value, therefore this circuit can be sentenced voluntarilyThe open circuit situation of three diode D3 in disconnected circuit; The default conditions of K switch 1 are for disconnecting;
In power storage module: sampling node S and single-chip microcomputer PIC12F510 one can be set to the IO of high-impedance state and sampling configurationPin is connected;
In power storage module: one end of No. zero sampling resistor R20 is connected with bootstrapping node P, another end of No. zero sampling resistor R20S is connected with sampling node;
In power storage module: an end of No. one sampling resistor R21 is connected with sampling node S, another of No. one sampling resistor R20End is connected with an IO pin that can be set to output mode and high-impedance state of single-chip microcomputer PIC12F510, and this IO pin is for controllingThe Grounding of No. one sampling resistor R21, node P boots when this IO pin is set to output mode and is set to export electronegative potentialThereby voltage order about flow through successively No. zero sampling resistor R20, No. one sampling resistor R21 of electric current and make single-chip microcomputer PIC12F510Can take from sampling node S the real-time voltage value of voltage data the reckoning bootstrapping node of sampling node S; Without when sampling oneNumber another end of sampling resistor R20 and the IO pin of single-chip microcomputer PIC12F510 are connected and can be set to high-impedance state and reduce power and damageLose;
In power storage module: the supply pin of single-chip microcomputer PIC12F510 is connected with the positive pole of chargeable battery BAT, single-chip microcomputer PIC12F510Grounding leg be connected with power supply place GND1;
In power storage module: two ends of the second capacitor C 2 are connected with supply pin with the grounding leg of single-chip microcomputer PIC12F510 respectively, riseTo the effect of filtering;
Power supply place GND1 is connected with the negative pole of chargeable battery BAT.
Power supply place GND1 between each power storage module is connected in common location;
The input node IN1 of all power storage module is all connected with power supply input point VCC1;
The output node IN2 of all power storage module is all connected with second source point VCC2;
Power supply input point VCC1 is connected with the positive pole of isolating diode D99, and power supply output point OUT and isolating diode D99's is negativeExtremely connected;
Second source point VCC2 is connected with the negative pole of isolating diode D99;
Between control module and each power storage module, can carry out communication, control module can command each power storage module to carry out certainlyThe state of inspection operation detection optocoupler and fuse, the power supply access point of control module is connected with second source point VCC2, controls mouldPiece relies on the electrical potential difference between second source point VCC2 and common location to drive operation.
In power storage module, also there is the first resistance R 1, the first capacitor C 1; End of the first capacitor C 1 and bootstrapping node P phaseConnect, another end of the first capacitor C 1 is connected to a end of the switch passage of K switch 1 via the first resistance R 1.
In power storage module, also there is the first voltage-stabiliser tube ZD1; What the first voltage-stabiliser tube ZD1 was correct is arranged on bootstrapping node P and electricityThe voltage that ensures bootstrapping node P between seedbed point GND1 can be too not high in order to avoid damage circuit, and the voltage stabilizing value of the first voltage-stabiliser tube ZD1 is largeIn the high-pressure stage of dc source BAT and the voltage difference of the low pressure utmost point, the voltage stabilizing value of the first voltage-stabiliser tube ZD1 is less than dc source BATHigh-pressure stage and two times of the voltage difference of the low pressure utmost point.
In power storage module, also there is the second voltage-stabiliser tube ZD2; What the second voltage-stabiliser tube ZD2 was correct is arranged on single-chip microcomputerBetween the supply pin of PIC12F510 and grounding leg, play the effect of protection single-chip microcomputer PIC12F510.
In power storage module, also have LED lamp pearl, the light on and off of LED lamp pearl are subject to the control of single-chip microcomputer PIC12F510, are used to indicateThe position at power storage module place, thereby person easy to use finds problem battery, position is convenient for changing, person easy to use findsThereby problem battery position is convenient for changing.
In power storage module, also have communication module TXMK, single-chip microcomputer PIC12F510 can be by communication module TXMK with outerPortion's devices communicating.
Chargeable battery BAT in power storage module is chargeable fuel cell.
Fuse LF in power storage module is Thermal Cutoffs, has temperature and pass between fuse LF and chargeable battery BATPass passage, in the time of the fusing-off temperature of the temperature over insurance silk LF of chargeable battery BAT, fuse LF fusing, prevents chargeable batteryIn the overheated situation of BAT, continue electric discharge and charging.
In single-chip microcomputer PIC12F510 in power storage module, have optocoupler trace routine, its step comprises:
(1), by the output mode that can be set to of the single-chip microcomputer PIC12F510 that is connected with the positive pole of the receiving terminal of optocoupler OC1IO pin GP5 is set to output mode and is set to export high potential;
(2), read the single-chip microcomputer PIC12F510 being connected with the positive pole of the receiving terminal of optocoupler OC1 can be set to export mouldThe current potential of the IO pin GP5 of formula; If the value of the current potential reading is high potential, illustrate that optocoupler normally enters next step; If readThe value of the current potential of getting is electronegative potential, optocoupler is described extremely or fuse fracture, and program is returned to representative ' disappearing of test crashBreath ' value and finish optocoupler trace routine;
(3), Closing Switch K1;
(4), postpone the self inductance effect of elimination inductance L 1;
(5), read the single-chip microcomputer PIC12F510 being connected with the positive pole of the receiving terminal of optocoupler OC1 can be set to export mouldThe current potential of the IO pin GP5 of formula; If the value of the current potential reading is electronegative potential, illustrate that optocoupler is normal, program enters next step,Illustrate that optocoupler is abnormal, program is returned to the value of representative ' optocoupler is abnormal ' and is finished optocoupler trace routine;
(6), by the output mode that can be set to of the single-chip microcomputer PIC12F510 that is connected with the positive pole of the receiving terminal of optocoupler OC1IO pin GP5 is set to high-impedance state; Reduce power loss;
(7), program is returned to the value of representative ' optocoupler is normal ' and is finished optocoupler trace routine.
Embodiment 2, there is the miniature photovoltaic DC-to-AC converter of security control, there is the battery pack described in embodiment 1.
Described in the application ' user ' can be that the mankind can be also that automation equipment is such as computer, machinery systemComputer system, the artificial intelligence system etc. of system, automatic control.
This illustrates that not quite clear place is prior art or common practise, therefore do not repeat.
Claims (10)
1. micro-power-supply battery group, is characterized in that: comprise multiple power storage module, control module, isolating diode (D99), secondPower supply point (VCC2), power supply input point (VCC1), power supply output point (OUT), common location;
In power storage module: comprise input node (IN1), output node (IN2), fuse (LF), the second resistance (R2), the first electricityResistance (R1), the first electric capacity (C1), the first inductance (L1), the first diode (D1), the second electric capacity (C2), the second diode (D2),The 3rd diode (D3), No. zero sampling resistor (R20), No. one sampling resistor (R21), switch (K1), chargeable battery (BAT), electricitySeedbed point (GND1), single-chip microcomputer (PIC12F510), bootstrapping node (P), sampling node (S), optocoupler (OC1);
In power storage module: the positive pole of the first diode (D1) is connected with input node (IN1), the negative pole warp of the first diode (D1)Be connected to the positive pole of chargeable battery (BAT) by fuse;
In power storage module: the negative pole of the second diode (D2) is connected with output node (IN2), the positive pole of the second diode (D2) withThe negative pole of the first diode (D1) is connected;
In power storage module: the negative pole of the 3rd diode (D3) is connected with the positive pole of chargeable battery (BAT), the 3rd diode (D3)Positive pole is connected with bootstrapping node (P);
In power storage module: the positive pole of the transmitting terminal of optocoupler (OC1) is connected with the negative pole of the first diode (D1), optocoupler (OC1)The negative pole of transmitting terminal is connected to bootstrapping node (P), positive pole and the single-chip microcomputer of the receiving terminal of optocoupler (OC1) via the second resistance (R2)(PIC12F510) the IO pin (GP5) that can be set to output mode is connected, negative pole and the power supply of the receiving terminal of optocoupler (OC1)Place (GND1) is connected;
In power storage module: the switch passage of switch (K1) has a end, b holds this two links, the switch passage of switch (K1)A end is connected to bootstrapping node (P) by the first inductance (L1), b end and the power supply place (GND1) of the switch passage of switch (K1)Be connected, the control end of switch (K1) is connected with an IO pin of single-chip microcomputer (PIC12F510), the switch passage of switch (K1) lead toDisconnected state is subject to the control of single-chip microcomputer (PIC12F510); Shutoff and the conducting state of the switch passage of switch (K1) can be by monolithicsMachine (PIC12F510) is controlled, in the situation that the 3rd diode (D3) disconnects, and shutoff and the conducting of the switch passage of switch (K1)The self inductance effect of handover trigger first inductance (L1) of state impels the voltage of bootstrapping node (P) to promote can be higher than dc source(BAT) turn-on voltage of the magnitude of voltage of high-pressure stage and the 3rd diode (D3) and and continuity for a long time, the three or two utmost pointPipe (D3) is if normally, because the discharge process of the 3rd diode (D3) makes to boot the voltage of node (P) higher than dc source(BAT) turn-on voltage of the magnitude of voltage of high-pressure stage and the 3rd diode (D3) and time can be very short, postpone one littleThe magnitude of voltage of section time bootstrapping node (P) will drop to magnitude of voltage and the three or two utmost point of the high-pressure stage that approaches dc source (BAT)Pipe (D3) turn-on voltage and value, therefore this circuit can judge the open circuit feelings of three diodes (D3) in circuit voluntarilyCondition; The default conditions of switch (K1) are for disconnecting;
In power storage module: one of sampling node (S) and single-chip microcomputer (PIC12F510) can be set to high-impedance state and sampling configurationIO pin be connected;
In power storage module: one end of No. zero sampling resistor (R20) is connected with bootstrapping node (P), No. zero sampling resistor (R20) separatelyAn end is connected with sampling node (S);
In power storage module: an end of No. one sampling resistor (R21) is connected with sampling node (S), No. one sampling resistor (R20)Another end is connected with an IO pin that can be set to output mode and high-impedance state of single-chip microcomputer (PIC12F510), this IO pinBe used for controlling the Grounding of No. one sampling resistor (R21), this IO pin is set to output mode and is set to export electronegative potentialThe voltage of Shi Ziju node (P) order about electric current flow through successively No. zero sampling resistor (R20), No. one sampling resistor (R21) thus makeSingle-chip microcomputer (PIC12F510) can be taked the voltage data of sampling node (S) and calculate bootstrapping node from sampling node (S)Real-time voltage value; During without sampling, another end of No. one sampling resistor (R20) is connected with the IO pin of single-chip microcomputer (PIC12F510)Can be set to high-impedance state and reduce power loss;
In power storage module: the supply pin of single-chip microcomputer (PIC12F510) is connected with the positive pole of chargeable battery (BAT), single-chip microcomputer(PIC12F510) grounding leg is connected with power supply place (GND1);
In power storage module: two ends of the second electric capacity (C2) respectively with grounding leg and the supply pin phase of single-chip microcomputer (PIC12F510)Connect, play the effect of filtering;
Power supply place (GND1) is connected with the negative pole of chargeable battery (BAT);
Power supply place (GND1) between each power storage module is connected in common location;
The input node (IN1) of all power storage module is all connected with power supply input point (VCC1);
The output node (IN2) of all power storage module is all connected with second source point (VCC2);
Power supply input point (VCC1) is connected with the positive pole of isolating diode (D99), power supply output point (OUT) and isolating diode(D99) negative pole is connected;
Second source point (VCC2) is connected with the negative pole of isolating diode (D99);
Between control module and each power storage module, can carry out communication, control module can command each power storage module to carry out certainlyThe state of inspection operation detection optocoupler and fuse, the power supply access point of control module is connected with second source point (VCC2), controlsModule relies on the electrical potential difference between second source point (VCC2) and common location to drive operation.
2. micro-power-supply battery group as claimed in claim 1, is characterized in that: in power storage module, also have the first resistance (R1),The first electric capacity (C1); End of the first electric capacity (C1) is connected with bootstrapping node (P), another end of the first electric capacity (C1) viaThe first resistance (R1) is connected to a end of the switch passage of switch (K1).
3. micro-power-supply battery group as claimed in claim 1, is characterized in that: in power storage module, also have the first voltage-stabiliser tube(ZD1); What the first voltage-stabiliser tube (ZD1) was correct is arranged on guarantee bootstrapping node between bootstrapping node (P) and power supply place (GND1)(P) voltage can be too not high in order to avoid damage circuit, and the voltage stabilizing value of the first voltage-stabiliser tube (ZD1) is greater than the high pressure of dc source (BAT)The voltage difference of the utmost point and the low pressure utmost point, the voltage stabilizing value of the first voltage-stabiliser tube (ZD1) is less than high-pressure stage and the low pressure utmost point of dc source (BAT)Two times of voltage difference.
4. micro-power-supply battery group as claimed in claim 1, is characterized in that: in power storage module, also have the second voltage-stabiliser tube(ZD2); Between the supply pin of what the second voltage-stabiliser tube (ZD2) was correct be arranged on single-chip microcomputer (PIC12F510) and grounding leg, play guarantorProtect the effect of single-chip microcomputer (PIC12F510).
5. micro-power-supply battery group as claimed in claim 1, is characterized in that: in power storage module, also have LED lamp pearl, LED lampThe light on and off of pearl are subject to the control of single-chip microcomputer (PIC12F510), are used to indicate the position at power storage module place, and person easy to use finds and asksThereby topic battery position is convenient for changing, thereby person easy to use finds problem battery, position is convenient for changing.
6. micro-power-supply battery group as claimed in claim 1, is characterized in that: in power storage module, also have communication module(TXMK), single-chip microcomputer (PIC12F510) can pass through communication module (TXMK) and external device communication.
7. micro-power-supply battery group as claimed in claim 1, is characterized in that: the chargeable battery (BAT) in power storage module is canThe fuel cell of charging.
8. micro-power-supply battery group as claimed in claim 1, is characterized in that: the fuse (LF) in power storage module is temperature guarantorDanger silk, has temperature transmission channels between fuse (LF) and chargeable battery (BAT), when the temperature of chargeable battery (BAT) exceedesFuse (LF) the fusing when fusing-off temperature of fuse (LF), prevent from continuing in the overheated situation of chargeable battery (BAT) electric discharge andCharging.
9. micro-power-supply battery group as claimed in claim 1, is characterized in that: the single-chip microcomputer (PIC12F510) in power storage moduleIn there is optocoupler trace routine, its step comprises:
(1), the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to export mouldThe IO pin (GP5) of formula is set to output mode and is set to export high potential;
(2), read by the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to defeatedGo out the current potential of the IO pin (GP5) of pattern; If the value of the current potential reading is high potential, illustrate that optocoupler normally enters next step;If the value of the current potential reading is electronegative potential, optocoupler is described extremely or fuse fracture, program is returned to representative ' test crashMessage ' value and finish optocoupler trace routine;
(3), Closing Switch (K1);
(4), postpone the self inductance effect of elimination inductance (L1);
(5), read by the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to defeatedGo out the current potential of the IO pin (GP5) of pattern; If the value of the current potential reading is electronegative potential, illustrate that optocoupler is normal, program enters downOne step, illustrates that optocoupler is abnormal, and program is returned to the value of representative ' optocoupler is abnormal ' and finished optocoupler trace routine;
(6), the single-chip microcomputer (PIC12F510) being connected with the positive pole of the receiving terminal of optocoupler (OC1) can be set to export mouldThe IO pin (GP5) of formula is set to high-impedance state; Reduce power loss;
(7), program is returned to the value of representative ' optocoupler is normal ' and is finished optocoupler trace routine.
10. the miniature photovoltaic DC-to-AC converter with security control, is characterized in that: have arbitrary right in claim 1-9Require described technical scheme.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335946A (en) * | 2018-02-11 | 2018-07-27 | 李蒙恩 | Including the fast-acting relay of indicating module, extra high voltage system |
| CN108417463A (en) * | 2018-02-11 | 2018-08-17 | 李蒙恩 | Including the relay of indicating module, new energy power grid |
| CN113012083A (en) * | 2021-03-03 | 2021-06-22 | 上海景运信息技术有限公司 | Data processing method for image zero IO in remote sensing ortho image processing process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2498388A2 (en) * | 2011-03-08 | 2012-09-12 | LSIS Co., Ltd. | Power conversion apparatus and power conversion method thereof |
| CN105259422A (en) * | 2015-10-22 | 2016-01-20 | 宁波力芯科信息科技有限公司 | Capacitance measurement circuit, liquid level detection circuit and method of using same, liquid level height detection circuit, water heater, and smart home device |
-
2016
- 2016-02-24 CN CN201610100853.1A patent/CN105591438B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2498388A2 (en) * | 2011-03-08 | 2012-09-12 | LSIS Co., Ltd. | Power conversion apparatus and power conversion method thereof |
| CN105259422A (en) * | 2015-10-22 | 2016-01-20 | 宁波力芯科信息科技有限公司 | Capacitance measurement circuit, liquid level detection circuit and method of using same, liquid level height detection circuit, water heater, and smart home device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335946A (en) * | 2018-02-11 | 2018-07-27 | 李蒙恩 | Including the fast-acting relay of indicating module, extra high voltage system |
| CN108417463A (en) * | 2018-02-11 | 2018-08-17 | 李蒙恩 | Including the relay of indicating module, new energy power grid |
| CN113012083A (en) * | 2021-03-03 | 2021-06-22 | 上海景运信息技术有限公司 | Data processing method for image zero IO in remote sensing ortho image processing process |
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| CN105591438B (en) | 2018-02-27 |
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