CN105548797A - Method for detecting fuse through microcomputer, photovoltaic power grid, UPS power source special for computer and artificial intelligent robot - Google Patents
Method for detecting fuse through microcomputer, photovoltaic power grid, UPS power source special for computer and artificial intelligent robot Download PDFInfo
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- CN105548797A CN105548797A CN201610100786.3A CN201610100786A CN105548797A CN 105548797 A CN105548797 A CN 105548797A CN 201610100786 A CN201610100786 A CN 201610100786A CN 105548797 A CN105548797 A CN 105548797A
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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
A method for detecting a fuse in real time through a microcomputer is characterized in that the method is based on an electric power storage module which comprises an input node, an output node, the fuse (LF), a second resistor (R2), a first resistor (R1), a first capacitor, a first inductor (L1), a first diode, a second capacitor (C2), a second diode (D2), a third diode, a number zero sampling resistor, a first sampling resistor, a switch, a rechargeable battery, a power source site, a single-chip microcomputer, a bootstrapping node, a sampling node and an optocoupler. A photovoltaic power grid, a UPS power source special for a computer and an intelligent robot are provided with the electric power storage device of the technical scheme. The method is low in cost, application is flexible, the service life is long, the fuse is not prone to damage, stable and reliable, whether an open circuit happens to a diode with the positive electrode connected with a high-voltage electrode of a direct-current power source or not is tested through the electric energy of the direct-current power source under the situation that the direct-current power source runs, and the open circuit of the fuse can be reliably detected in real time by means of a bypass.
Description
Technical field
The invention belongs to applying electronic field, be specifically related to use microcomputer to detect the method for fuse in real time.
Background technology
The operating instant self-inspection of circuit has huge meaning for the appearance of prevention circuit safety problem; the instant testing method of the diode that prior art does not have anticathode to be connected with power supply high-pressure stage; if that is when the positive pole of a diode is connected with power supply high-pressure stage, diode opens a way suddenly (owing to puncturing, burning); so circuit is difficult to be detected immediately by self-checking circuit or program, and this lost efficacy for instant testing circuit is a huge trouble;
In the electric power storage module of power supply, fuse is increased to single battery and can prevent that electric current is excessive causes cell damage, but battery cannot continue the connivance amount that discharge and recharge compromises electric battery after fuse fracture, need to pick maintenance, change battery, picking maintenance, changing in the maintenance of electric battery entirety of battery generally in electric battery carries out, need to carry out stage casing to electric battery entirety, this system for the buffer memory electric energy needing continuous service is unfavorable.
Summary of the invention
For the problem described in technical solution background, the present invention proposes the method using microcomputer to detect fuse in real time.
The present invention has following technology contents.
1, use microcomputer to detect the method for fuse in real time, it is characterized in that:
Based on power storage module, power storage module comprises input node (IN1), output node (IN2), fuse (LF), second resistance (R2), first resistance (R1), first electric capacity (C1), first inductance (L1), first diode (D1), second electric capacity (C2), second diode (D2), 3rd diode (D3), No. zero sampling resistor (R20), No. one sampling resistor (R21), switch (K1), chargeable battery (BAT), power supply place (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 of the first diode (D1) is connected to the positive pole of chargeable battery (BAT) via 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) is connected with the negative pole of the first diode (D1);
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) 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), the negative pole of the transmitting terminal of optocoupler (OC1) is connected to bootstrapping node (P) via the second resistance (R2), the positive pole of the receiving end of optocoupler (OC1) is connected with the IO pin (GP5) that can be set to output mode of single-chip microcomputer (PIC12F510), and the negative pole of the receiving end of optocoupler (OC1) is connected with power supply place (GND1);
In power storage module: the switching channels of switch (K1) has a end, b holds this two links, the a end of the switching channels of switch (K1) is connected to bootstrapping node (P) by the first inductance (L1), the b end of the switching channels of switch (K1) is connected with power supply place (GND1), the control end of switch (K1) is connected with an IO pin of single-chip microcomputer (PIC12F510), and the on off operating mode of the switching channels of switch (K1) is subject to the control of single-chip microcomputer (PIC12F510); the shutoff of the switching channels of switch (K1) and conducting state can control by single-chip microcomputer (PIC12F510), when 3rd diode (D3) disconnects, the self inductance effect of the shutoff of the switching channels of switch (K1) and handover trigger first inductance (L1) of conducting state impel the voltage of node (P) of booting promote can higher than the turn-on voltage of the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the 3rd diode (D3) and and continue for a long time, 3rd diode (D3) if normal, the discharge process due to the 3rd diode (D3) make to boot node (P) voltage higher than the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the turn-on voltage of the 3rd diode (D3) and time can be very short, the magnitude of voltage postponing bootstrapping node of a bit of time (P) will drop to close to the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the turn-on voltage of the 3rd diode (D3) and value, therefore this circuit can judge the open circuit situation of three diodes (D3) in circuit voluntarily, the default conditions of switch (K1) are off,
In power storage module: one of sampling node (S) and single-chip microcomputer (PIC12F510) can be set to high-impedance state and be connected with the IO pin of sampling pattern;
In power storage module: one end of No. zero sampling resistor (R20) is connected with bootstrapping node (P), and another end of No. zero sampling resistor (R20) is connected with sampling node (S);
In power storage module: an end of No. one sampling resistor (R21) is connected with sampling node (S), another end of No. one sampling resistor (R20) can be set to output mode be connected with the IO pin of high-impedance state with one of single-chip microcomputer (PIC12F510), this IO pin is for controlling the Grounding of No. one sampling resistor (R21), when this IO pin is set to output mode and is set to export electronegative potential, the voltage of bootstrapping node (P) orders about electric current and flows through No. zero sampling resistor (R20) successively, No. one sampling resistor (R21) thus make single-chip microcomputer (PIC12F510) can from sampling node (S) take sampling node (S) voltage data and calculate bootstrapping node real-time voltage value, during without the need to sampling, another end of No. one sampling resistor (R20) is connected with the IO pin of single-chip microcomputer (PIC12F510) and can be set to high-impedance state and reduces power loss,
In power storage module: the supply pin of single-chip microcomputer (PIC12F510) is connected with the positive pole of chargeable battery (BAT), the grounding leg of single-chip microcomputer (PIC12F510) is connected with power supply place (GND1);
In power storage module: two ends of the second electric capacity (C2) are connected with supply pin with the grounding leg of single-chip microcomputer (PIC12F510) respectively, play the effect of filtering;
In power storage module: power supply place (GND1) is connected with the negative pole of chargeable battery (BAT);
In power storage module: also comprise the first resistance (R1), the first electric capacity (C1); An end of the first electric capacity (C1) is connected with bootstrapping node (P), and another end of the first electric capacity (C1) is connected to a end of the switching channels of switch (K1) via the first resistance (R1).
In power storage module: also comprise the first stabilivolt (ZD1); What the first stabilivolt (ZD1) was correct be arranged on ensure to boot the voltage of node (P) between bootstrapping node (P) and power supply place (GND1) can not be too high in order to avoid damage circuit, the voltage stabilizing value of the first stabilivolt (ZD1) is greater than the high-pressure stage of direct supply (BAT) and the voltage difference of low pressure pole, and the voltage stabilizing value of the first stabilivolt (ZD1) is less than two times of the high-pressure stage of direct supply (BAT) and the voltage difference of low pressure pole.
In power storage module: also comprise the second stabilivolt (ZD2); What the second stabilivolt (ZD2) was correct be arranged between the supply pin of single-chip microcomputer (PIC12F510) and grounding leg plays the effect protecting single-chip microcomputer (PIC12F510).
In power storage module: also comprise LED lamp bead, the light on and off of LED lamp bead are subject to the control of single-chip microcomputer (PIC12F510), and be used to indicate the position at power storage module place, person easy to use finds problem battery position thus is convenient for changing.
In power storage module: also comprise communication module (TXMK), single-chip microcomputer (PIC12F510) can pass through communication module (TXMK) and external device communication.
In power storage module: chargeable battery (BAT) is chargeable fuel cell.
In power storage module: fuse (LF) is Thermal Cutoffs, between fuse (LF) and chargeable battery (BAT), there is temperature transmission channels, fuse (LF) fusing when the fusing-off temperature of the temperature over insurance silk (LF) of chargeable battery (BAT), continues electric discharge and charging when preventing chargeable battery (BAT) overheated;
In power storage module: have trace routine in single-chip microcomputer (PIC12F510), the process step of trace routine comprises:
(1) the IO pin (GP5) that can be set to output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is set to output mode and is set to export noble potential;
(2) current potential that can be set to the IO pin (GP5) of output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is read; If the value of the current potential read is noble potential, illustrate that optocoupler normally enters next step; If the value of current potential read is electronegative potential, then optocoupler exception or fuse fracture are described, program returns the value of representative ' message of test crash ' and detection of end program;
(3) Closing Switch (K1);
(4) postpone, eliminate the self inductance effect of inductance (L1);
(5) current potential that can be set to the IO pin (GP5) of output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is read; If the value of current potential read is electronegative potential, then illustrate that optocoupler is normal, program enters next step, then illustrate that optocoupler is abnormal, and program returns the value of representative ' message of test crash ' and detection of end program;
(6) the IO pin (GP5) that can be set to output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is set to high-impedance state, reduces power loss;
(7) cut-off switch (K1);
(8) postpone, to the 3rd diode (D3) discharge time, be less than the first inductance L 1, first resistance R1 time delay, the half of discharge time that the first electric capacity C1 forms loop;
(9) the IO pin of single-chip microcomputer (PIC12F510) and sampling node (S) being set to sampling pattern is that employing operates and makes preparation; The IO pin that single-chip microcomputer (PIC12F510) is connected with the end or not be not connected sampling node (S) of No. one sampling resistor (R20) is set to output mode and exports electronegative potential;
(10) the IO pin utilizing single-chip microcomputer (PIC12F510) to be connected with sampling node (S) is sampled;
(11) utilize No. zero sampling resistor (R20), No. one sampling resistor (R21) ratio calculate bootstrapping node (P) magnitude of voltage;
(12) magnitude of voltage of bootstrapping node (P) that draws of determining step 11 whether much larger than voltage higher than the forward voltage of chargeable battery (BAT) cathode voltage value and the 3rd diode (D3) value and; If judged result is ' being ', the 3rd diode (D3) open circuit is described, program returns the value of representative ' message of test crash ' and detection of end program; If judged result is 'No', illustrate that the 3rd diode (D3) is normal, program enters next step;
(13) the IO pin that single-chip microcomputer (PIC12F510) is connected with the end or not be not connected sampling node (S) of No. one sampling resistor (R21) is set to high-impedance state;
(14) program returns the value detection of end program that representative ' tests the normal message of successful fuse ';
Utilize the trace routine had in the single-chip microcomputer in power storage module (PIC12F510), detect the state of fuse (LF), if what program returned is not the value representing ' testing the normal message of successful fuse ', lights the light emitting diode (LED) in power storage module, indicate the particular location of this power storage module to user.
2, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: the chargeable battery in power storage module is chargeable fuel cell.
3, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: the 3rd diode (D3) in power storage module is light emitting diode.
4, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: the switch (K1) in power storage module is relay or FET or MOS.
5, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: the second electric capacity in power storage module is polar capacitor.
6, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: power storage module also comprises communication module (TXMK).
7, the use microcomputer as described in technology contents 1 detects the method for fuse in real time, it is characterized in that: also comprise control module, and control module has communication module (TXMK) and control module can carry out communication with all power storage module.
8, photovoltaic electrical network, has electrical storage device, it is characterized in that: have the technical scheme that electrical storage device possesses skills in content 1-7 described in arbitrary technology contents.
9, the special ups power of computing machine, has electrical storage device, it is characterized in that: have the technical scheme that electrical storage device possesses skills in content 1-7 described in arbitrary technology contents.
10, artificial intelligence robot, has electrical storage device, it is characterized in that: have the technical scheme that electrical storage device possesses skills in content 1-7 described in arbitrary technology contents.
Technology contents illustrates and beneficial effect.
Principle: single-chip microcomputer (PIC12F510) obtains by sampling module (CYMK) magnitude of voltage that bootstrap module (ZJMK) starts the bootstrapping end after bootstrapping function, and the difference using the magnitude of voltage obtained to deduct ' magnitude of voltage of the high-pressure stage of direct supply (BAT) and the turn-on voltage of the 3rd diode (D3) with ' can judge whether the 3rd diode (D3) opens a way; This circuit is at fuse circuit breaking and when having power supply to input, the transmitting terminal of optocoupler (OC1) can make the reception receiving end of optocoupler (OC1) connect, make single-chip microcomputer (PIC12F510) that the open circuit of fuse can be monitored, and can power storage module change and not affect the operation of other power storage module in real time.
In the application, microcomputer refers to single-chip microcomputer.
The present invention is with low cost, applying flexible, long service life, not fragile, reliable and stable, can utilize when direct supply runs the power test of direct supply ' diode that positive pole is connected with the high-pressure stage of direct supply ' whether exist open circuit, can the reliable open circuit being detected fuse by bypass in real time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment 1.
Concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1, use microcomputer detect the method for fuse in real time, it is characterized in that:
Based on power storage module as shown in Figure 1, power storage module comprises input node IN1, output node IN2, fuse LF, the second resistance R2, the first resistance R1, the first electric capacity C1, the first inductance L 1, 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, K switch 1, chargeable battery BAT, power supply place 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 of the first diode D1 is connected to the positive pole of chargeable battery BAT via 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 is connected with the negative pole of the first diode D1;
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 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, the negative pole of the transmitting terminal of optocoupler OC1 is connected to bootstrapping node P via the second resistance R2, the positive pole of the receiving end of optocoupler OC1 is connected with the IO pin GP5 that can be set to output mode of single-chip microcomputer PIC12F510, and the negative pole of the receiving end of optocoupler OC1 is connected with power supply place GND1;
In power storage module: the switching channels of K switch 1 has a end, b holds this two links, the a end of the switching channels of K switch 1 is connected to bootstrapping node P by the first inductance L 1, the b end of the switching channels of K switch 1 is connected with power supply place GND1, the control end of K switch 1 is connected with an IO pin of single-chip microcomputer PIC12F510, and the on off operating mode of the switching channels of K switch 1 is subject to the control of single-chip microcomputer PIC12F510, the shutoff of the switching channels of K switch 1 and conducting state can control by single-chip microcomputer PIC12F510, when 3rd diode D3 disconnects, the self inductance effect of the shutoff of the switching channels of K switch 1 and handover trigger first inductance L 1 of conducting state impel the voltage of the node P that boots promote can higher than the turn-on voltage of the magnitude of voltage of the high-pressure stage of direct supply BAT and the 3rd diode D3 and and continue for a long time, if the 3rd diode D3 is normal, the discharge process due to the 3rd diode D3 make to boot node P voltage higher than the magnitude of voltage of the high-pressure stage of direct supply BAT and the turn-on voltage of the 3rd diode D3 and time can be very short, the magnitude of voltage postponing bootstrapping of a bit of time node P will drop to close to the magnitude of voltage of the high-pressure stage of direct supply BAT and the turn-on voltage of the 3rd diode D3 and value, therefore this circuit can judge the open circuit situation of three diode D3 in circuit voluntarily, the default conditions of K switch 1 are off,
In power storage module: one of sampling node S and single-chip microcomputer PIC12F510 can be set to high-impedance state and be connected with the IO pin of sampling pattern;
In power storage module: one end of No. zero sampling resistor R20 is connected with bootstrapping node P, and another end of No. zero sampling resistor R20 and sampling node S-phase connect;
In power storage module: an end of No. one sampling resistor R21 connects with sampling node S-phase, another end of No. one sampling resistor R20 can be set to output mode be connected with the IO pin of high-impedance state with one of single-chip microcomputer PIC12F510, this IO pin is for controlling the Grounding of No. one sampling resistor R21, when this IO pin is set to output mode and is set to export electronegative potential, the voltage of bootstrapping node P orders about electric current and flows through No. zero sampling resistor R20 successively, No. one sampling resistor R21 thus make single-chip microcomputer PIC12F510 can from sampling node S take sampling node S voltage data and calculate bootstrapping node real-time voltage value, during without the need to sampling, another end of No. one sampling resistor R20 is connected with the IO pin of single-chip microcomputer PIC12F510 and can be set to high-impedance state and reduces power loss,
In power storage module: the supply pin of single-chip microcomputer PIC12F510 is connected with the positive pole of chargeable battery BAT, the grounding leg of single-chip microcomputer PIC12F510 is connected with power supply place GND1;
In power storage module: two ends of the second electric capacity C2 are connected with supply pin with the grounding leg of single-chip microcomputer PIC12F510 respectively, play the effect of filtering;
In power storage module: power supply place GND1 is connected with the negative pole of chargeable battery BAT;
In power storage module: also comprise the first resistance R1, the first electric capacity C1; An end of the first electric capacity C1 is connected with bootstrapping node P, and another end of the first electric capacity C1 is connected to a end of the switching channels of K switch 1 via the first resistance R1.
In power storage module: also comprise the first stabilivolt ZD1; What the first stabilivolt ZD1 was correct be arranged on ensure to boot the voltage of node P between bootstrapping node P and power supply place GND1 can not be too high in order to avoid damage circuit, the voltage stabilizing value of the first stabilivolt ZD1 is greater than the high-pressure stage of direct supply BAT and the voltage difference of low pressure pole, and the voltage stabilizing value of the first stabilivolt ZD1 is less than two times of the high-pressure stage of direct supply BAT and the voltage difference of low pressure pole.
In power storage module: also comprise the second stabilivolt ZD2; The effect protecting single-chip microcomputer PIC12F510 is played between the supply pin being arranged on single-chip microcomputer PIC12F510 that second stabilivolt ZD2 is correct and grounding leg.
In power storage module: also comprise LED lamp bead, the light on and off of LED lamp bead are subject to the control of single-chip microcomputer PIC12F510, and be used to indicate the position at power storage module place, person easy to use finds problem battery position thus is convenient for changing.
In power storage module: also comprise communication module TXMK, single-chip microcomputer PIC12F510 can pass through communication module TXMK and external device communication.
In power storage module: chargeable battery BAT is chargeable fuel cell.
In power storage module: fuse LF is Thermal Cutoffs, there is between fuse LF and chargeable battery BAT temperature transmission channels, when the fusing-off temperature of the temperature over insurance silk LF of chargeable battery BAT, fuse LF fuses, and continues electric discharge and charging when preventing chargeable battery BAT overheated;
In power storage module: have trace routine in single-chip microcomputer PIC12F510, the process step of trace routine comprises:
The IO pin GP5 that can be set to output mode of the single-chip microcomputer PIC12F510 that the positive pole of the receiving end with optocoupler OC1 is connected by 1> is set to output mode and is set to export noble potential;
2> reads the current potential that can be set to the IO pin GP5 of output mode of the single-chip microcomputer PIC12F510 be connected by the positive pole of the receiving end with optocoupler OC1; If the value of the current potential read is noble potential, illustrate that optocoupler normally enters next step; If the value of current potential read is electronegative potential, then optocoupler exception or fuse fracture are described, program returns the value of representative ' message of test crash ' and detection of end program;
3> Closing Switch K1;
4> postpones, and eliminates the self inductance effect of inductance L 1;
5> reads the current potential that can be set to the IO pin GP5 of output mode of the single-chip microcomputer PIC12F510 be connected by the positive pole of the receiving end with optocoupler OC1; If the value of current potential read is electronegative potential, then illustrate that optocoupler is normal, program enters next step, then illustrate that optocoupler is abnormal, and program returns the value of representative ' message of test crash ' and detection of end program;
The IO pin GP5 that can be set to output mode of the single-chip microcomputer PIC12F510 that the positive pole of the receiving end with optocoupler OC1 is connected by 6> is set to high-impedance state, reduces power loss;
7> cut-off switch K1;
8> postpones, and to the 3rd diode D3 discharge time, is less than the first inductance L 1, first resistance R1 time delay, half that the first electric capacity C1 forms the discharge time in loop;
It is that employing operates and makes preparation that the IO pin of single-chip microcomputer PIC12F510 and sampling node S is set to sampling pattern by 9>; The IO pin that single-chip microcomputer PIC12F510 is connected with the end or not do not connected sampling node S-phase of No. one sampling resistor R20 is set to output mode and exports electronegative potential;
The IO pin that 10> utilizes single-chip microcomputer PIC12F510 and sampling node S-phase to connect is sampled;
11> utilizes the ratio of No. zero sampling resistor R20, No. one sampling resistor R21 to calculate the magnitude of voltage of bootstrapping node P;
The magnitude of voltage of the bootstrapping node P that 12> determining step 11 draws whether much larger than voltage higher than the forward voltage of chargeable battery BAT cathode voltage value and the 3rd diode D3 value and; If judged result is ' being ', illustrate that the 3rd diode D3 opens a way, program returns the value of representative ' message of test crash ' and detection of end program; If judged result is 'No', illustrate that the 3rd diode D3 is normal, program enters next step;
The IO pin that single-chip microcomputer PIC12F510 is connected with the end or not do not connected sampling node S-phase of No. one sampling resistor R21 is set to high-impedance state by 13>;
14> program returns the value detection of end program that representative ' tests the normal message of successful fuse ';
Utilize the trace routine had in the single-chip microcomputer PIC12F510 in power storage module, detect the state of fuse LF, if what program returned is not the value representing ' testing the normal message of successful fuse ', lights the LED in power storage module, indicate the particular location of this power storage module to user.
Chargeable battery in power storage module is chargeable fuel cell.
The 3rd diode D3 in power storage module is light emitting diode.
K switch 1 in power storage module is relay or FET or MOS.
The second electric capacity in power storage module is polar capacitor.
Power storage module also comprises communication module TXMK.
Also comprise control module, control module has communication module TXMK and control module can carry out communication with all power storage module.
Embodiment 2, as shown in Figure 1, micro battery electric battery, 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;
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 is connected with the negative pole of isolating diode D99;
Second source point VCC2 is connected with the negative pole of isolating diode D99;
Can carry out communication between control module and each power storage module, control module can command each power storage module to carry out the state of self-test operations detection optocoupler and fuse.
Embodiment 2, photovoltaic electrical network, have electrical storage device, has the technical scheme that electrical storage device has embodiment 1.
The special ups power of embodiment 3, computing machine, has electrical storage device, has the technical scheme that electrical storage device has embodiment 1.
Embodiment 4, artificial intelligence robot, have electrical storage device, has the technical scheme that electrical storage device has embodiment 1.
This illustrates that not quite clear place is prior art or common practise, therefore does not repeat.
Claims (10)
1. use microcomputer to detect the method for fuse in real time, it is characterized in that:
Based on power storage module, power storage module comprises input node (IN1), output node (IN2), fuse (LF), second resistance (R2), first resistance (R1), first electric capacity (C1), first inductance (L1), first diode (D1), second electric capacity (C2), second diode (D2), 3rd diode (D3), No. zero sampling resistor (R20), No. one sampling resistor (R21), switch (K1), chargeable battery (BAT), power supply place (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 of the first diode (D1) is connected to the positive pole of chargeable battery (BAT) via 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) is connected with the negative pole of the first diode (D1);
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) 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), the negative pole of the transmitting terminal of optocoupler (OC1) is connected to bootstrapping node (P) via the second resistance (R2), the positive pole of the receiving end of optocoupler (OC1) is connected with the IO pin (GP5) that can be set to output mode of single-chip microcomputer (PIC12F510), and the negative pole of the receiving end of optocoupler (OC1) is connected with power supply place (GND1);
In power storage module: the switching channels of switch (K1) has a end, b holds this two links, the a end of the switching channels of switch (K1) is connected to bootstrapping node (P) by the first inductance (L1), the b end of the switching channels of switch (K1) is connected with power supply place (GND1), the control end of switch (K1) is connected with an IO pin of single-chip microcomputer (PIC12F510), and the on off operating mode of the switching channels of switch (K1) is subject to the control of single-chip microcomputer (PIC12F510); the shutoff of the switching channels of switch (K1) and conducting state can control by single-chip microcomputer (PIC12F510), when 3rd diode (D3) disconnects, the self inductance effect of the shutoff of the switching channels of switch (K1) and handover trigger first inductance (L1) of conducting state impel the voltage of node (P) of booting promote can higher than the turn-on voltage of the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the 3rd diode (D3) and and continue for a long time, 3rd diode (D3) if normal, the discharge process due to the 3rd diode (D3) make to boot node (P) voltage higher than the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the turn-on voltage of the 3rd diode (D3) and time can be very short, the magnitude of voltage postponing bootstrapping node of a bit of time (P) will drop to close to the magnitude of voltage of the high-pressure stage of direct supply (BAT) and the turn-on voltage of the 3rd diode (D3) and value, therefore this circuit can judge the open circuit situation of three diodes (D3) in circuit voluntarily, the default conditions of switch (K1) are off,
In power storage module: one of sampling node (S) and single-chip microcomputer (PIC12F510) can be set to high-impedance state and be connected with the IO pin of sampling pattern;
In power storage module: one end of No. zero sampling resistor (R20) is connected with bootstrapping node (P), and another end of No. zero sampling resistor (R20) is connected with sampling node (S);
In power storage module: an end of No. one sampling resistor (R21) is connected with sampling node (S), another end of No. one sampling resistor (R20) can be set to output mode be connected with the IO pin of high-impedance state with one of single-chip microcomputer (PIC12F510), this IO pin is for controlling the Grounding of No. one sampling resistor (R21), when this IO pin is set to output mode and is set to export electronegative potential, the voltage of bootstrapping node (P) orders about electric current and flows through No. zero sampling resistor (R20) successively, No. one sampling resistor (R21) thus make single-chip microcomputer (PIC12F510) can from sampling node (S) take sampling node (S) voltage data and calculate bootstrapping node real-time voltage value, during without the need to sampling, another end of No. one sampling resistor (R20) is connected with the IO pin of single-chip microcomputer (PIC12F510) and can be set to high-impedance state and reduces power loss,
In power storage module: the supply pin of single-chip microcomputer (PIC12F510) is connected with the positive pole of chargeable battery (BAT), the grounding leg of single-chip microcomputer (PIC12F510) is connected with power supply place (GND1);
In power storage module: two ends of the second electric capacity (C2) are connected with supply pin with the grounding leg of single-chip microcomputer (PIC12F510) respectively, play the effect of filtering;
In power storage module: power supply place (GND1) is connected with the negative pole of chargeable battery (BAT);
In power storage module: also comprise the first resistance (R1), the first electric capacity (C1); An end of the first electric capacity (C1) is connected with bootstrapping node (P), and another end of the first electric capacity (C1) is connected to a end of the switching channels of switch (K1) via the first resistance (R1);
In power storage module: also comprise the first stabilivolt (ZD1); What the first stabilivolt (ZD1) was correct be arranged on ensure to boot the voltage of node (P) between bootstrapping node (P) and power supply place (GND1) can not be too high in order to avoid damage circuit, the voltage stabilizing value of the first stabilivolt (ZD1) is greater than the high-pressure stage of direct supply (BAT) and the voltage difference of low pressure pole, and the voltage stabilizing value of the first stabilivolt (ZD1) is less than two times of the high-pressure stage of direct supply (BAT) and the voltage difference of low pressure pole;
In power storage module: also comprise the second stabilivolt (ZD2); What the second stabilivolt (ZD2) was correct be arranged between the supply pin of single-chip microcomputer (PIC12F510) and grounding leg plays the effect protecting single-chip microcomputer (PIC12F510);
In power storage module: also comprise LED lamp bead, the light on and off of LED lamp bead are subject to the control of single-chip microcomputer (PIC12F510), and be used to indicate the position at power storage module place, person easy to use finds problem battery position thus is convenient for changing;
In power storage module: also comprise communication module (TXMK), single-chip microcomputer (PIC12F510) can pass through communication module (TXMK) and external device communication;
In power storage module: fuse (LF) is Thermal Cutoffs, between fuse (LF) and chargeable battery (BAT), there is temperature transmission channels, fuse (LF) fusing when the fusing-off temperature of the temperature over insurance silk (LF) of chargeable battery (BAT), continues electric discharge and charging when preventing chargeable battery (BAT) overheated;
In power storage module: have trace routine in single-chip microcomputer (PIC12F510), the process step of trace routine comprises:
(1) the IO pin (GP5) that can be set to output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is set to output mode and is set to export noble potential;
(2) current potential that can be set to the IO pin (GP5) of output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is read; If the value of the current potential read is noble potential, illustrate that optocoupler normally enters next step; If the value of current potential read is electronegative potential, then optocoupler exception or fuse fracture are described, program returns the value of representative ' message of test crash ' and detection of end program;
(3) Closing Switch (K1);
(4) postpone, eliminate the self inductance effect of inductance (L1);
(5) current potential that can be set to the IO pin (GP5) of output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is read; If the value of current potential read is electronegative potential, then illustrate that optocoupler is normal, program enters next step, then illustrate that optocoupler is abnormal, and program returns the value of representative ' message of test crash ' and detection of end program;
(6) the IO pin (GP5) that can be set to output mode of the single-chip microcomputer (PIC12F510) be connected by the positive pole of the receiving end with optocoupler (OC1) is set to high-impedance state, reduces power loss;
(7) cut-off switch (K1);
(8) postpone, to the 3rd diode (D3) discharge time, be less than the first inductance L 1, first resistance R1 time delay, the half of discharge time that the first electric capacity C1 forms loop;
(9) the IO pin of single-chip microcomputer (PIC12F510) and sampling node (S) being set to sampling pattern is that employing operates and makes preparation; The IO pin that single-chip microcomputer (PIC12F510) is connected with the end or not be not connected sampling node (S) of No. one sampling resistor (R20) is set to output mode and exports electronegative potential;
(10) the IO pin utilizing single-chip microcomputer (PIC12F510) to be connected with sampling node (S) is sampled;
(11) utilize No. zero sampling resistor (R20), No. one sampling resistor (R21) ratio calculate bootstrapping node (P) magnitude of voltage;
(12) magnitude of voltage of bootstrapping node (P) that draws of determining step 11 whether much larger than voltage higher than the forward voltage of chargeable battery (BAT) cathode voltage value and the 3rd diode (D3) value and; If judged result is ' being ', the 3rd diode (D3) open circuit is described, program returns the value of representative ' message of test crash ' and detection of end program; If judged result is 'No', illustrate that the 3rd diode (D3) is normal, program enters next step;
(13) the IO pin that single-chip microcomputer (PIC12F510) is connected with the end or not be not connected sampling node (S) of No. one sampling resistor (R21) is set to high-impedance state;
(14) program returns the value detection of end program that representative ' tests the normal message of successful fuse ';
Utilize the trace routine had in the single-chip microcomputer in power storage module (PIC12F510), detect the state of fuse (LF), if what program returned is not the value representing ' testing the normal message of successful fuse ', lights the light emitting diode (LED) in power storage module, indicate the particular location of this power storage module to user.
2. the method using microcomputer to detect fuse in real time as claimed in claim 1, is characterized in that: the chargeable battery in power storage module is chargeable fuel cell.
3. the method using microcomputer to detect fuse in real time as claimed in claim 1, is characterized in that: the 3rd diode (D3) in power storage module is light emitting diode.
4. the method using microcomputer to detect fuse in real time as claimed in claim 1, is characterized in that: the switch (K1) in power storage module is relay or FET or MOS.
5. the method using microcomputer to detect fuse in real time as claimed in claim 1, is characterized in that: the second electric capacity in power storage module is polar capacitor.
6. the method using microcomputer to detect fuse in real time as claimed in claim 1, is characterized in that: power storage module also comprises communication module (TXMK).
7. the method using microcomputer to detect fuse in real time as claimed in claim 1, it is characterized in that: also comprise control module, control module has communication module (TXMK) and control module can carry out communication with all power storage module.
8. photovoltaic electrical network, has electrical storage device, it is characterized in that: have electrical storage device and have technical scheme in claim 1-7 described in arbitrary claim.
9. the special ups power of computing machine, has electrical storage device, it is characterized in that: have electrical storage device, has the technical scheme described in arbitrary claim in claim 1-7.
10. artificial intelligence robot, has electrical storage device, it is characterized in that: have electrical storage device, has the technical scheme described in arbitrary claim in claim 1-7.
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