CN106655330A - Emergency power supply anti-short-circuit protection system - Google Patents
Emergency power supply anti-short-circuit protection system Download PDFInfo
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- CN106655330A CN106655330A CN201610957177.XA CN201610957177A CN106655330A CN 106655330 A CN106655330 A CN 106655330A CN 201610957177 A CN201610957177 A CN 201610957177A CN 106655330 A CN106655330 A CN 106655330A
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- resistance
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- automobile
- emitting diode
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 86
- 239000010703 silicon Substances 0.000 claims abstract description 86
- 230000008878 coupling Effects 0.000 claims description 69
- 238000010168 coupling process Methods 0.000 claims description 69
- 238000005859 coupling reaction Methods 0.000 claims description 69
- 230000005611 electricity Effects 0.000 claims description 23
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 230000007547 defect Effects 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
-
- H02J7/0026—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention an emergency power supply anti-short-circuit resistance protection system. The system comprises first and second photoelectric couplers, a voltage stabilizing diode, a switch diode, a capacitor, a silicon controlled rectifier, a touch switch, first, second and third LEDs and resistors R1,R2, R3, R4 and R5, wherein the silicon controlled rectifier forms a charging switch, the capacitor, the touch switch and the first photoelectric coupler are connected in series to form an external standby cell to provide switching-on and switching-off control on a triggering voltage path to the silicon-controlled rectifier, on and off of the first photoelectric coupler are controlled through an automobile cell; only when the external standby cell and the automobile cell are in positive connection with the short circuit protection system, the touch switch is operated, the silicon controlled rectifier is conducted, the automobile cell is charged through the external standby cell to realize no ignition in a cell clamping process of a cell clamp; under other conditions, the silicon controlled rectifier is in a closed state, and operation on the touch switch has nothing to do with the silicon controlled rectifier; the cell clamp is taken down in the charging process, the silicon controlled rectifier is turned off instantly, arranging non-contact contact points respectively at inner sides of upper and lower clamping boards of the cell clamp is not needed, and a single wire is utilized.
Description
Technical field
The present invention relates to a kind of anti-short circuit protection system of field of power supplies, more particularly to emergency power supply.
Background technology
With the progress of society, more and more people possess private car, but often improper use can cause many problems
Appearance, such as people forgets the lamp that cut-offs when leaving, or forgets to close vehicle electronic device, and the storage so that vehicle-mounted use for a long time
Battery is easy for that the situation of not enough power supply occurs, and when vehicle is started next time, the power supply for being used is also by this
Battery is provided, and when accumulator electric-quantity is not enough automobile starting can be caused to fail, at this time, it is necessary to start using car emergency
Power supply provides power supply for automobile starting temporarily.But, because automobile batteries (vehicle-mounted battery) and emergency starting power supply all have
Have the characteristics of can producing instantaneous large-current, if using emergency starting power supply as automobile starting power supply when, slightly do not note produce
Short circuit or reversal connection, moment can produce the high current of kiloampere, can not only cause emergency starting power supply to damage, or even cause
Fire causes user injured.
Anti-reverse and short circuit current, such as patent application for this purpose, many producers begin one's study in car emergency startup power supply
Number it is：A kind of Multifunction auto starting power source disclosed in 200520054634.1, in response to anxious startup power supply (internal battery) with
The anti-reverse short-circuit protection circuit connected between vehicle-mounted battery is by relay implement body control electric current path, it is commonly known that should
Anxious startup power supply and vehicle-mounted battery all have the characteristics of can produce instantaneous large-current, so relay is it is necessary that with large-scale
Relay, therefore the more heavy defect of the anti-reverse short-circuit protection circuit that constitutes of presence relay；Get on the bus because ought correctly connect
Current path is open-minded immediately during the battery of load, occurs sparking during vehicle-mounted battery is pressed from both sides now so as to there are battery folders
The defect of elephant, though being provided with touch-switch starts emergency starting power supply, that simply takes down vehicle-mounted battery and uses；In order to from
Vehicle-mounted operating point to be taken out and can disconnect emergency starting power supply to battery folders current path after battery folders, upper and lower two pieces in battery folders
Clamping plate inner side is respectively equipped with and is not in contact with each other a little at ordinary times, and difference lead is to anti-reverse short-circuit protection circuit, therefore there are battery folders not
Can be with the defect of single lead to anti-reverse short-circuit protection circuit.
Nowadays the progress for burying battery has promoted it to use on a large scale, is had become as emergency starting power supply using battery is buried
Widespread practice in industry, and constitute the anti-reverse short-circuit protection circuit volume mistake of emergency starting source current path with relay
In huge and heaviness, its often use emergency starting power supply be 12V18AH plumbic acid maintenance-free batteries, whole system about 10
Kilogram weight, so portable problem cannot be considered, but after emergency starting power supply is changed into and buries battery, whole system weight is only
400 grams, the volume of this anti-reverse short-circuit protection circuit that emergency starting source current path is constituted with relay is with weight just
Obviously be not suitable for.Therefore have the anti-reverse short-circuit protection circuit for being constituted emergency starting source current path with semiconductor devices to go out
Existing, such as number of patent application is：201410399268.7 a kind of anti-short circuit protection system of disclosed emergency power supply, emergency starting power supply
The anti-reverse short-circuit protection circuit Bian field-effects management and control current path being connected between vehicle-mounted battery, overcomes use
The more heavy defect of the anti-reverse short-circuit protection circuit that relay is constituted, but also exist：Because ought correctly connect vehicle-mounted storage
Current path is open-minded immediately during battery, occurs lacking for spark phenomenon during vehicle-mounted battery is pressed from both sides so as to there are battery folders
Fall into；Can disconnect emergency starting power supply to battery folders current path after battery folders to take out from vehicle-mounted operating point, in battery folders
Upper and lower two clamping plates inner side is respectively equipped with and is not in contact with each other a little at ordinary times, and difference lead is to anti-reverse short-circuit protection circuit, therefore exists
Battery folders can not be with the defect of single lead to anti-reverse short-circuit protection circuit.And for example number of patent application is：
201520322213.6 a kind of anti-short circuit protection system of disclosed emergency power supply, understands with reference to the practical accompanying drawing：It is anxious to start electricity
The anti-reverse short-circuit protection circuit sample Bian field-effects management and control system electricity being connected between source and vehicle-mounted battery (reserve battery)
Logical circulation road, overcomes the defect of the anti-reverse short-circuit protection circuit more heaviness constituted with relay；But the practicality is equally also deposited
：Because current path is open-minded immediately when above vehicle-mounted battery is correctly connected, so as to there are battery folders vehicle-mounted electric power storage is being pressed from both sides
Occurs the defect of spark phenomenon during pond, though being provided with touch-switch starts emergency starting power supply, that simply takes down vehicle-mounted
Battery and use；It is logical to battery folders electric current in order to emergency starting power supply can be disconnected from after vehicle-mounted operating point taking-up battery folders
Road, is respectively equipped with the inside of the upper and lower two clamping plates of battery folders and is not in contact with each other a little at ordinary times, and difference lead is to anti-reverse short-circuit protection
Circuit, thus there are battery folders can not be with the defect of single lead to anti-reverse short-circuit protection circuit；The practicality also has one seriously to lack
Sunken is：If anxious startup power supply is reversed, may result in and compare amplifier damage.
It is known that：Vehicle-mounted accumulator capacity nominally generally 12V, more than 45AH, and the residue after interim overdischarge
Electricity typically is all entirely capable of meeting powering to several watts of low-power circuit；So for the ease of emergency starting power supply and vehicle-mounted connection
After starting automobile, remove battery folders and terminate, often with being to retain on-vehicle battery during emergency starting power initiation automobile.
The content of the invention
The purpose of the present invention is, to overcome oneself to have the weak point of technology, to be connected by battery folders for emergency starting power supply
At vehicle-mounted battery the two poles of the earth and retain battery and start the mode of automobile, propose a kind of anti-short-circuit protection system of emergency power supply
System, except small volume, emergency power supply are anti-short-circuit, anti-reverse, outside counnter attack charge protection, also has：1. when correct connection is upper vehicle-mounted
After battery and emergency starting power supply, the current path of emergency starting power supply is opened by operating touch-switch, ensured that
Battery folders are not in the phenomenon of sparking during vehicle-mounted battery is pressed from both sides；2. battery folders are taken out from vehicle-mounted battery
Emergency starting power supply is disconnected immediately afterwards to battery folders current path, and need not distinguish on the inside of the upper and lower two clamping plates of battery folders
It is provided with and is not in contact with each other a little at ordinary times, as long as uses single lead.
In order to realize above-mentioned purpose, the technical scheme is that：
The anti-short circuit protection system of a kind of emergency power supply, by the guarantor for being connected with power port, the first battery folders, the second battery folders
Protection circuit is constituted, and power port is connected with the corresponding ports of external back-up battery, and the first battery folders and the second battery folders are distinguished
It is connected with two electrodes of the battery of automobile；The protection circuit includes：It is first photoelectric coupling circuit, the second photoelectric coupling circuit, steady
Pressure diode, switching diode, electric capacity, controllable silicon, touch-switch, the first light emitting diode, the second light emitting diode, the 3rd
Optical diode, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5；The anode of the switching diode and the one of resistance R5
End is respectively connected to the positive terminal of power port and the terminals of the first battery folders by wire after being connected with each other；Switch two poles
One end phase of the negative electrode of pipe, the positive pole of electric capacity and resistance R1 simultaneously connects；The negative pole of electric capacity is by the normally-closed contact of touch-switch and electricity
The other end of resistance R1 is connected, and the negative pole of electric capacity is photosensitive with the first photoelectric coupling circuit by the normally opened contact of touch-switch
The colelctor electrode of triode is connected；The emitter stage of phototriode is by resistance R2 and first luminous two in first photoelectric coupling circuit
The anode of pole pipe is connected, and the emitter stage of phototriode passes through the one of resistance R3 and resistance R4 in the first photoelectric coupling circuit
The colelctor electrode phase of phototriode and connect in end, the negative electrode of Zener diode and the second photoelectric coupling circuit；The other end of resistance R5
It is connected with the anode of the second light emitting diode and the negative electrode of the 3rd light emitting diode, the negative electrode of the second light emitting diode and first
The anode of light emitting diode is connected in photoelectric coupling circuit；Light in the anode and the second photoelectric coupling circuit of the 3rd light emitting diode
The negative electrode of diode is connected；Light-emitting diodes in the negative electrode of light emitting diode, the second photoelectric coupling circuit in first photoelectric coupling circuit
The terminals of the second battery folders are accessed after the anode of pipe, silicon controlled anode are connected with each other by wire；Silicon controlled grid with
The anode of Zener diode is connected；The emitter stage of phototriode, resistance R4 in silicon controlled negative electrode, the second photoelectric coupling circuit
The other end, the first light emitting diode negative electrode it is connected with each other after by wire access power port negative terminals.
Above-described controllable silicon is one-way SCR, and silicon controlled maintains electric current more than the maximum electricity for flowing through resistance R5
Stream.
The above touch-switch is two-way contact touch-switch, normally opened all the way, normally closed all the way.
The few electric capacity of the above capacitance selection electric leakage, such as tantalum electric capacity, niobium electric capacity.
Function has：
After external back-up battery accesses protection circuit forward or backwards, the first battery folders and the second battery folders are not connect to vapour
The battery of car, and be in open circuit or during short-circuit condition, controllable silicon is off state, and unrelated with touch-switch whether is pressed,
Therefore external back-up battery will not be shorted；
After the battery of automobile accesses protection circuit forward or backwards, power port is not connected with external back-up battery, electricity
Two electrodes are in open circuit or during short-circuit condition in source port, and controllable silicon is off state, and with whether press touch-switch without
Close, therefore the battery of automobile will not be shorted；
When the battery of external back-up battery and automobile reversely accesses protection circuit, controllable silicon is off state, and
Whether with pressing touch-switch is unrelated, therefore the battery of automobile will not be electrically charged；
When external back-up battery reversely accesses the battery forward direction access protection circuit of protection circuit and automobile, at controllable silicon
In off state, and with whether press that touch-switch is unrelated, therefore external back-up battery will not be concatenated into end to end with the battery of automobile
Electric discharge and it is short-circuit；
When the reverse battery of automobile accesses protection circuit and external back-up battery forward direction accesses protection circuit, at controllable silicon
In off state, and with whether press that touch-switch is unrelated, therefore external back-up battery will not be concatenated into end to end with the battery of automobile
Electric discharge and it is short-circuit；
It is controllable before touch-switch is pressed when the battery and external back-up battery positive access protection circuit of automobile
Silicon is off state, and when touch-switch is pressed, controlled silicon conducting, external back-up battery to the battery of automobile charges, because of automobile
Battery be in power shortage state before charging, therefore the stream that charges is much larger than silicon controlled latching current, so after controlled silicon conducting, plus
Control voltage to controllable silicon gate is ineffective, you can after control silicon conducting, and when touch-switch is unclamped, external back-up battery keeps
The normal battery to automobile charges；
When battery from external back-up battery to automobile just in charging process, start automobile success after, automobile current generator is opened
Electricity is originated, and is charged to the battery of automobile, the voltage is far above external back-up battery (outside lithium battery) voltage, so as to be formed
Backward voltage adds between silicon controlled anode and negative electrode, and by controllable silicon off state, therefore it is standby to outside to form reversing the current
Charged with battery (outside lithium battery), i.e., will not form reversing the current and damage external back-up battery (outside lithium battery), institute
Generated electricity in the battery charging process of automobile with automobile current generator, do not remove battery folders from the battery of automobile, be there will not be anti-
Charge to external back-up battery (outside lithium battery) to battery；
When battery from external back-up battery to automobile just in charging process, when charging current is plus flowing through the electricity of resistance R5
Maintenance electric current of the stream less than controllable silicon VS, by controllable silicon off state；
When battery from external back-up battery to automobile just in charging process, remove battery folders from the battery of automobile, can
Control silicon is turned off；
When battery from external back-up battery to automobile just in charging process, remove external back-up battery from power port,
Controllable silicon is turned off；
When battery from external back-up battery to automobile just in charging process, controllable silicon shut-off after, need to again operate and touch
Switch could be realized charging to the battery of automobile again, therefore start automobile success, after automobile current generator generates electricity, do not operate and touch out
Close, the possibility of the battery charging of the no longer oriented automobile of external back-up battery.
Beneficial effect：
Present invention achieves except small volume, emergency power supply it is anti-short-circuit, anti-reverse, outside counnter attack charge protection, realize 1. when
After the above vehicle-mounted battery of correct connection and emergency starting power supply, by operating touch-switch the electric current of emergency starting power supply is opened
Path, ensures that battery folders are not in the phenomenon of sparking during vehicle-mounted battery is pressed from both sides；2. from vehicle-mounted storage
Take out on battery after battery folders and disconnect emergency starting power supply immediately to battery folders current path, and need not be upper and lower in battery folders
Two clamping plates inner side is respectively equipped with and is not in contact with each other a little at ordinary times, as long as using single lead.
Description of the drawings
Fig. 1 is a kind of connection diagram of the anti-short circuit protection system of emergency power supply of the present invention；
Fig. 2 is a kind of schematic diagram of the protection circuit of the anti-short circuit protection system of emergency power supply of the present invention；
In figure：100. protection circuits, A. power ports, the battery folders of B1. first, the battery folders of B2. second, LED1, LED2,
LED3. the first light emitting diode to the 3rd light emitting diode, the photoelectric coupling circuits of U1. first, the photoelectric coupling circuits of U2. second, VD. is steady
Pressure diode, D. switching diodes, VS. controllable silicons, C. electric capacity, R1, R2, R3, R4, R5. resistance, SW. touch-switch.
Specific embodiment
As shown in Figure 1 and Figure 2, the anti-short circuit protection system of a kind of emergency power supply, by being connected with power port A, the first battery folders
B1, the protection circuit 100 of the second battery folders B2 are constituted, and power port A is connected with the corresponding ports of external back-up battery, and first
Battery folders B1 and the second battery folders B2 are connected respectively with two electrodes of the battery of automobile；The protection circuit 100 includes：First
Photoelectric coupling circuit U1, the second photoelectric coupling circuit U2, Zener diode VD, switching diode D, electric capacity C, controllable silicon VS, touch out
Close SW, the first LED 1, the second LED 2, the 3rd LED 3, resistance R1, resistance R2,
Resistance R3, resistance R4, resistance R5；The anode of the switching diode D is divided after being connected with each other with one end of resistance R5 by wire
Not Jie Ru power port A positive terminal Vin+ and the terminals of the first battery folders B1；The negative electrode of switching diode D, electric capacity C
Positive pole and resistance R1 one end phase and connect；The negative pole of electric capacity C is another with resistance R1 by the normally-closed contact of touch-switch SW
End is connected, and the negative pole of electric capacity C is by photosensitive three pole in the normally opened contact of touch-switch SW and the first photoelectric coupling circuit U1
The colelctor electrode of pipe is connected；The emitter stage of phototriode is by resistance R2 and the first light-emitting diodes in first photoelectric coupling circuit U1
The anode of pipe LED1 is connected, and the emitter stage of phototriode passes through resistance R3 and resistance R4 in the first photoelectric coupling circuit U1
One end, the negative electrode of Zener diode VD and the second photoelectric coupling circuit U2 in phototriode colelctor electrode phase and connect；Resistance R5
The other end be connected with the anode of the second LED 2 and the negative electrode of the 3rd LED 3, second luminous two
The negative electrode of pole pipe LED2 is connected with the anode of light emitting diode in the first photoelectric coupling circuit U1；3rd LED 3
Anode is connected with the negative electrode of light emitting diode in the second photoelectric coupling circuit U2；Light emitting diode in first photoelectric coupling circuit U1
The anode of light emitting diode in negative electrode, the second photoelectric coupling circuit U2, controllable silicon VS anode it is connected with each other after accessed by wire
The terminals of the second battery folders B2；The grid (control pole) of controllable silicon VS is connected with the anode of Zener diode VD；Controllable silicon
Emitter stage, the other end of resistance R4, first light emitting diode of phototriode in the negative electrode of VS, the second photoelectric coupling circuit U2
Negative terminals Vin- of power port A are accessed after the negative electrode of LED1 is connected with each other by wire.
The above switching diode D is used for the reverse protection of electric capacity C branch roads.
The above touch-switch SW is two-way contact touch-switch, all the way for normally opened, another road be it is normally closed, it is light when pressing
Switch SW is touched, the normally opened closing of contact all the way, normally closed contact all the way disconnects, and when touch-switch SW is unclamped, normally opened touches all the way
Point reverts to disconnection, and normally closed contact all the way reverts to connection (closure)；Normally opened contact all the way be used for control whether to trigger
Signal delivers to the grid (control pole) of controllable silicon VS, normally-closed contact all the way for electric capacity C electric discharges.
Phototriode is with tandem structure in electric capacity C, the normally opened contact of touch-switch SW and the first photoelectric coupling circuit U1
Into when external back-up battery forward direction accesses protection circuit 100, external back-up battery is added to the trigger voltage of controllable silicon VS grids
Control with the voltage path break-make of the anode of the first LED 1；When meet electric capacity C be full of, unclamp touch-switch SW,
In one photoelectric coupling circuit U1 during any one of phototriode cut-off, electric capacity C, the normally opened contact of touch-switch SW and the first photoelectricity lotus root
Phototriode is added to the trigger voltage and of controllable silicon VS grids with the external back-up battery that tandem is constituted in clutch U1
The voltage path of the anode of one LED 1 disconnects；When phototriode conducting in the first photoelectric coupling circuit U1, pin light
Switch SW is touched, when electric capacity C charges, photosensitive three in electric capacity C, the normally opened contact of touch-switch SW and the first photoelectric coupling circuit U1
Pole pipe is added to the trigger voltage and the first light emitting diode of controllable silicon VS grids with the external back-up battery that tandem is constituted
The voltage path of LED1 anodes is connected.
When the above electric capacity C is used for the phototriode conducting in the first photoelectric coupling circuit U1, external back-up battery is just
To accessing after protection circuit 100, touch-switch SW is pinned, external back-up battery controls to be added to controllable by charging electric capacity C
The trigger voltage size of the grid of silicon VS, that is, by charging electric capacity C control to be added to the grid of controllable silicon VS and touch
Send out the retention time of the trigger voltage (electric current) of conducting.The capacity of electric capacity C is bigger, and control is added to touching for the grid of controllable silicon VS
The retention time for sending out the control voltage (electric current) of conducting is longer, otherwise on the contrary.The selection of electric capacity C not only will consider to meet controllable
The retention time of the trigger voltage of the grid of silicon VS, it is also contemplated that being full of front in electric capacity C, user can see the first light emitting diode
LED1 is lit；Because it is microsecond (μ s) level that the retention time of the trigger voltage of the grid of controllable silicon VS requires, work as user
When seeing that the first LED 1 is lit, the control voltage (electric current) of the triggerable conducting of the grid of controllable silicon VS is added to
Time for being kept meet certainly, so user sees that the first LED 1 is lit or extinguishes from after being lit pine
Open the touch-switch SW for pinning.The first LED 1 above is lit, and is applied not only to point out user's release to touch out
SW is closed, user is also pointed out：The battery of external back-up battery and automobile is positive access protection circuit 100.
It is in parallel with electric capacity C after touch-switch SW normally-closed contact series resistor R1 when touch-switch SW is flat (release), constitute electricity
Hold the discharge loop of C.Ensure safety in the case of, resistance R1 is as far as possible little, with guarantee unclamp touch-switch SW after, electric capacity C with compared with
The short time is discharged.
When phototriode is turned in the first photoelectric coupling circuit U1, touch-switch SW, the first light emitting diode are pinned
LED1 No were lit, and illustrated that external back-up battery does not access protection circuit 100 or external back-up battery reversely accesses guarantor
Protection circuit 100；When phototriode is turned in the first photoelectric coupling circuit U1, when external back-up battery does not access protection circuit
100, positive and negative electrode open circuit or short circuit, pin touch-switch SW in power port A, and the first LED 1 will not be by point
It is bright.When the first LED 1 will not be lit, the grid (control of controllable silicon VS is delivered in just explanation without triggerable Continuity signal
Pole processed).
By the ratio for selecting resistance R3 and resistance R4 resistances, and the size of Zener diode VD voltage stabilizings, make electric capacity C storages
During energy, Zener diode VD is on (voltage stabilizing) state, and the voltage for being added to controllable silicon VS grids is wanted more than or equal to minimum
The required trigger voltage asked.Simultaneously by selecting resistance R2, in making electric capacity C thermal energy storage processes, the first LED 1 can be protected
Hold and be lit.
The electric capacity C selects the few electric capacity of electric leakage, such as tantalum electric capacity, niobium electric capacity.
The electric capacity C, for controlling the fall time of the first LED 1 lighted, points out user for user
At this moment the button of the touch-switch SW for pressing can be unclamped, rather than pins the button of touch-switch SW for a long time and not put.Therefore this
Electric capacity C can be taken down in invention, 2 short circuits of connection electric capacity C, while removing electric capacity C discharge loops are arranged, are touched
Switch SW is changed to single normally opened contact switch just, now pins touch-switch SW, sees the first LED 1 by point
Unclamp just after bright.
Resistance R5 is current-limiting resistance, and restriction is flow through and light in the second LED 2, the first photoelectric coupling circuit U1 two
The electric current of pole pipe, and limit the electric current for flowing through light emitting diode in the 3rd LED 3, the second photoelectric coupling circuit U2.
Second photoelectric coupling circuit U2 is used for when the first battery folders B1 and the second battery folders B2 are respectively with the two of the battery of automobile
Electrode is connected is：First battery folders B1 are connected with the negative electrode of the battery of automobile, the battery of the second battery folders B2 and automobile
Positive electrode be connected, i.e., the reverse battery of automobile is connected with protection circuit 100, by photosensitive in the second photoelectric coupling circuit U2
Triode thereby further ensures that Zener diode VD negative electrodes and the negative electrode short circuit of controllable silicon VS controllable without control voltage feeding
The grid of silicon VS.
When the reverse battery of automobile is connected with protection circuit 100：3rd LED 3 is lighted, the second photoelectricity lotus root
Phototriode is turned in the second photoelectric coupling circuit of LEDs ON light emitting control U2 in clutch U2, the second photoelectric coupling circuit
Phototriode is by the negative electrode short circuit of Zener diode VD negative electrodes and controllable silicon VS in U2；Second LED 2 reversely cuts
Only, light emitting diode reversely ends in the first photoelectric coupling circuit U1, phototriode cut-off, electric capacity in the first photoelectric coupling circuit U1
Phototriode is standby with outside that tandem is constituted in C, the normally opened contact of touch-switch SW and the first photoelectric coupling circuit U1
Battery is added to the trigger voltage of controllable silicon VS grids and the voltage path of the anode of the first LED 1 disconnects；3rd lights
Diode (LED) 3 is lit, and for pointing out the battery of user's automobile reversed, the present invention arranges the 3rd LED 3 to send out
The light emitting diode of ruddiness.
It is when the first battery folders B1 and the second battery folders B2 are connected respectively with two electrodes of the battery of automobile：First battery
Folder B1 is connected with the positive electrode of the battery of automobile, and the second battery folders B2 are connected with the negative electrode of the battery of automobile, i.e. automobile
Battery forward direction (correct) be connected with protection circuit 100：LEDs ON light emitting control in first photoelectric coupling circuit U1
Phototriode conducting in first photoelectric coupling circuit U1, the second LED 2 is lighted, and is pointing out the battery of user's automobile just
To (correct) access protection circuit 100；Light emitting diode reversely ends in second photoelectric coupling circuit U2, the second photoelectric coupling circuit U2
Middle phototriode cut-off, the 3rd reversely cut-off of LED 3；Phototriode cut-off in second photoelectric coupling circuit U2,
Not by Zener diode VD negative electrodes and the negative electrode short circuit of controllable silicon VS；Second LED 2 selects the sending out for green that light
Optical diode.
First photoelectric coupling circuit U1 is used for：When the battery of automobile it is positive it is (correct) access protection circuit 100 when, by electric capacity C,
The outside standby electricity that phototriode is constituted with tandem in the normally opened contact of touch-switch SW and the first photoelectric coupling circuit U1
Pond is added to the first photoelectric coupling in the voltage path of the trigger voltage of controllable silicon VS grids and the anode of the first LED 1
Phototriode conducting in device U1；When automobile reverse battery access protection circuit 100 when, by electric capacity C, touch-switch SW it is normal
Open phototriode in contact and the first photoelectric coupling circuit U1 and controllable silicon VS is added to the external back-up battery that tandem is constituted
Photosensitive three pole in first photoelectric coupling circuit U1 in the voltage path of the trigger voltage of grid and the anode of the first LED 1
Pipe ends.
Second photoelectric coupling circuit U2 is used for：When positive (correct) the access protection circuit 100 of the battery of automobile, the second photoelectricity
Phototriode cut-off in coupling apparatus U2, not by Zener diode VD negative electrodes and the negative electrode short circuit of controllable silicon VS；When the electricity of automobile
When protection circuit 100 is reversely accessed in pond, in the second photoelectric coupling circuit U2 phototriode conducting by Zener diode VD negative electrodes with
The negative electrode short circuit of controllable silicon VS, thereby further ensures that the reverse battery of automobile send when accessing protection circuit 100 without control voltage
Enter the grid of controllable silicon VS.
When the battery of automobile does not access protection circuit 100, between the first battery folders B1 and the second battery folders B2 open circuit or
Short circuit, the second LED 2 and the 3rd LED 3 locate OFF state, send out in the first photoelectric coupling circuit U1
Light emitting diode does not light in optical diode and the second photoelectric coupling circuit U2, in the first photoelectric coupling circuit U1 phototriode and
Phototriode is turned off in second photoelectric coupling circuit U2.
Power port A is that, for protection circuit 100 and external back-up battery connectivity port, it is exported with external back-up battery
The corresponding connection in port, is oriented to anti-external back-up battery and reversely accesses protection circuit 100 with physics.Certainly external back-up battery is worked as
Protection circuit 100 is reversely accessed, protection circuit 100 also functions to reverse connecting protection effect.
The protection circuit 100 be arranged on closing box body in, by punching to box body, by the button of touch-switch SW,
First LED 1, the second LED 2, the 3rd LED 3 are on cartridge outer surface.
First LED 1 equally takes the light emitting diode of green light.
Controllable silicon VS is used for concrete control charging circuit break-make, and the present invention selects one-way SCR, and the unidirectional of selection can
What control silicon was led maintains electric current to should be greater than the maximum current flow through by resistance R5, so that it is guaranteed that：External back-up battery is to automobile
In battery charging process, when first removing battery folders, make to flow through controllable silicon VS electric currents less than electric current is maintained, so as to controllable silicon VS be closed
It is disconnected.In order to work as, external back-up battery is positive to be accessed after protection circuit 100, and the first battery folders B1 and the second battery folders B2 are not connect to vapour
The battery of car, and it is in open-circuit condition, it is ensured that leakage current is flow through in the second LED 2 and the first photoelectric coupling circuit U1
Light emitting diode does not light, therefore should also select the little one-way SCR of leakage current.
The function that the present invention is realized has：
After external back-up battery accesses forward or backwards protection circuit 100, the first battery folders B1 and the second battery folders B2
Whether when not connecing the battery to automobile, and being in open circuit or short-circuit condition, controllable silicon VS is off state, and touch with pressing
SW is unrelated for switch, therefore external back-up battery will not be shorted；
After the battery of automobile accesses forward or backwards protection circuit 100, power port A does not connect with external back-up battery
Connect, in open circuit or during short-circuit condition, controllable silicon VS is off state to two electrodes in power port A, and it is light with whether pressing
Touch switch SW unrelated, therefore the battery of automobile will not be shorted；
When the battery of external back-up battery and automobile reversely accesses protection circuit 100, controllable silicon VS is off shape
State, and with whether press that touch-switch SW is unrelated, therefore the battery of automobile will not be electrically charged；
When external back-up battery reversely accesses the battery forward direction access protection circuit 100 of protection circuit 100 and automobile, can
Control silicon VS is off state, and with whether press that touch-switch SW is unrelated, therefore the battery of external back-up battery and automobile is end to end
Will not be concatenated into electric discharge and it is short-circuit；
When the reverse battery of automobile accesses protection circuit 100 and external back-up battery forward direction accesses protection circuit 100, can
Control silicon VS is off state, and with whether press that touch-switch SW is unrelated, therefore the battery of external back-up battery and automobile is end to end
Will not be concatenated into electric discharge and it is short-circuit；
When the battery and external back-up battery positive access protection circuit 100 of automobile, before touch-switch SW is pressed,
Controllable silicon VS is off state, and when touch-switch SW is pressed, controllable silicon VS conductings, external back-up battery to the battery of automobile fills
Electricity, because the battery of automobile is in before charging power shortage state, therefore the stream that charges is much larger than the latching current of controllable silicon VS, so controllable
After silicon VS conductings, the control voltage for being added to controllable silicon VS grids is ineffective, you can after the VS conductings of control silicon, when release touch-switch
SW, external back-up battery keeps normally charging to the battery of automobile；
When battery from external back-up battery to automobile just in charging process, start automobile success after, automobile current generator is opened
Electricity is originated, and is charged to the battery of automobile, the voltage is far above external back-up battery (outside lithium battery) voltage, so as to be formed
Backward voltage adds between the anode and negative electrode of controllable silicon VS, and by controllable silicon VS off states, therefore it is outside to form reversing the current
Portion's reserve battery (outside lithium battery) charges, i.e., will not form reversing the current and damage external back-up battery (outside lithium electricity
Pond), so automobile current generator generates electricity in the battery charging process of automobile, battery folders are not removed from the battery of automobile, also not
Have reverse battery to charge to external back-up battery (outside lithium battery)；
When battery from external back-up battery to automobile just in charging process, when charging current is plus flowing through the electricity of resistance R5
Maintenance electric current of the stream less than controllable silicon VS, by controllable silicon VS off states；
When battery from external back-up battery to automobile just in charging process, remove battery folders from the battery of automobile, can
Control silicon VS is turned off；
When battery from external back-up battery to automobile just in charging process, remove external back-up battery from power port A,
Controllable silicon VS is turned off；
When battery from external back-up battery to automobile just in charging process, after controllable silicon VS shut-offs, need to operate again light
Touching switch SW could realize charging to the battery of automobile again, therefore start automobile success, after automobile current generator generates electricity, not operate light
Touch switch SW, the possibility of the battery charging of the no longer oriented automobile of external back-up battery；
It is proposed that：After the first LED 1 extinguishes, start automobile, and guarantee that automobile current generator generates electricity
Afterwards, touch-switch SW, the possibility of the battery charging of the no longer oriented automobile of external back-up battery are not operated.
Using method
1) after the battery by automobile accesses protection circuit 100, the 3rd lumination of light emitting diode LED3 lights, and illustrates automobile
Reverse battery be linked in protection circuit 100；
2) after the battery by automobile accesses protection circuit 100, the second lumination of light emitting diode LED2 lights, and illustrates automobile
Battery forward direction be linked in protection circuit 100；
3) when the second lumination of light emitting diode LED2 and the 3rd lumination of light emitting diode LED3 do not light, automobile is illustrated
Battery is not linked in protection circuit 100；
4) after the second lumination of light emitting diode LED2, touch-switch SW is pressed, the first lumination of light emitting diode LED1 is not
It is luminous, illustrate that the standby battery No in outer portion has access protection circuit 100 or external back-up battery reversely to access protection circuit 100；
5) after the second lumination of light emitting diode LED2, touch-switch SW is pressed, the first lumination of light emitting diode LED1 sends out
Light, illustrates that external back-up battery is positive and accesses protection circuit 100, and triggers controllable silicon VS conductings.
In the present invention：
When the positive pole of external back-up battery is communicated with the positive terminal Vin+ of power port A, external back-up battery it is negative
When negative terminals Vin- of pole power port A are communicated, show that external back-up battery is positive and access protection circuit 100；Work as outside
The positive pole of reserve battery is communicated with negative terminals Vin- of power port A, and the negative power supply port A of external back-up battery is just
When pole terminals Vin+ is communicated, show that external back-up battery reversely accesses protection circuit 100.
When the positive pole of the battery of automobile is communicated with the first battery folders B1, battery folders B2 of negative pole second of the battery of automobile are communicated
When, show that the battery of automobile is positive and access protection circuit 100；When the positive pole of the battery of automobile is communicated with the second battery folders B2, vapour
When battery folders B1 of negative pole first of the battery of car are communicated, the reverse battery for showing automobile accesses protection circuit 100.
Claims (5)
1. the anti-short circuit protection system of a kind of emergency power supply, by the protection for being connected with power port, the first battery folders, the second battery folders
Circuit is constituted, and power port is connected with the corresponding ports of external back-up battery, the first battery folders and the second battery folders respectively with
Two electrodes of the battery of automobile are connected；Characterized in that, the protection circuit includes：First photoelectric coupling circuit, the second photoelectricity
Coupling apparatus, Zener diode, switching diode, electric capacity, controllable silicon, touch-switch, the first light emitting diode, the second light-emitting diodes
Pipe, the 3rd light emitting diode, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5；The anode of the switching diode and electricity
One end of resistance R5 is respectively connected to the positive terminal of power port and the terminals of the first battery folders by wire after being connected with each other；
One end phase of the negative electrode of switching diode, the positive pole of electric capacity and resistance R1 simultaneously connects；The negative pole of electric capacity is normally closed by touch-switch
Contact is connected with the other end of resistance R1, and the normally opened contact and the first photoelectric coupling that the negative pole of electric capacity passes through touch-switch
The colelctor electrode of phototriode is connected in device；The emitter stage of phototriode is by resistance R2 and the in first photoelectric coupling circuit
The anode of one light emitting diode is connected, and the emitter stage of phototriode passes through resistance R3 with electricity in the first photoelectric coupling circuit
The colelctor electrode phase of phototriode and connect in resistance one end of R4, the negative electrode of Zener diode and the second photoelectric coupling circuit；Resistance R5
The other end be connected with the anode of the second light emitting diode and the negative electrode of the 3rd light emitting diode, the moon of the second light emitting diode
Pole is connected with the anode of light emitting diode in the first photoelectric coupling circuit；The anode and the second photoelectric coupling of the 3rd light emitting diode
The negative electrode of light emitting diode is connected in device；In first photoelectric coupling circuit in the negative electrode of light emitting diode, the second photoelectric coupling circuit
The terminals of the second battery folders are accessed after the anode of light emitting diode, silicon controlled anode are connected with each other by wire；Controllable silicon
Grid be connected with the anode of Zener diode；The transmitting of phototriode in silicon controlled negative electrode, the second photoelectric coupling circuit
Pole, the other end of resistance R4, the negative electrode rear negative pole for accessing power port by wire connected with each other of the first light emitting diode connect
Line end.
2. the anti-short circuit protection system of a kind of emergency power supply according to claim 1, it is characterised in that described controllable silicon is
One-way SCR.
3. the anti-short circuit protection system of a kind of emergency power supply according to claim 1, it is characterised in that the touch-switch is
Two-way contact touch-switch, it is normally opened all the way, it is normally closed all the way.
4. the anti-short circuit protection system of a kind of emergency power supply according to claim 1, it is characterised in that the electric capacity is tantalum electricity
Hold.
5. the anti-short circuit protection system of a kind of emergency power supply according to claim 2, it is characterised in that described is unidirectional controllable
Silicon, maintains electric current to be more than and flows through resistance R5 maximum currents.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957177.XA CN106655330B (en) | 2016-10-27 | 2016-10-27 | A kind of anti-short circuit protection system of emergency power supply |
| CN201811283616.9A CN109599909B (en) | 2016-10-27 | 2016-10-27 | Short-circuit protection system is prevented to emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957177.XA CN106655330B (en) | 2016-10-27 | 2016-10-27 | A kind of anti-short circuit protection system of emergency power supply |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283616.9A Division CN109599909B (en) | 2016-10-27 | 2016-10-27 | Short-circuit protection system is prevented to emergency power supply |
Publications (2)
| Publication Number | Publication Date |
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| CN106655330A true CN106655330A (en) | 2017-05-10 |
| CN106655330B CN106655330B (en) | 2019-01-04 |
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| CN201811283616.9A Active CN109599909B (en) | 2016-10-27 | 2016-10-27 | Short-circuit protection system is prevented to emergency power supply |
| CN201610957177.XA Active CN106655330B (en) | 2016-10-27 | 2016-10-27 | A kind of anti-short circuit protection system of emergency power supply |
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| CN201811283616.9A Active CN109599909B (en) | 2016-10-27 | 2016-10-27 | Short-circuit protection system is prevented to emergency power supply |
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| CN201877797U (en) * | 2010-06-11 | 2011-06-22 | 岑显荣 | High-voltage power safety protection device of electric vehicle |
| CN101888109B (en) * | 2010-07-20 | 2012-12-05 | 衡阳中微科技开发有限公司 | Storage battery charge control circuit adopting two-way reverse connecting protection |
| CN104134990B (en) * | 2014-08-14 | 2017-08-04 | 惠州市新科华实业有限公司 | A kind of anti-short circuit protection system of emergency power supply |
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| CN2803825Y (en) * | 2005-02-06 | 2006-08-09 | 李伟光 | Multifunction auto starting power source |
| JP2013188107A (en) * | 2012-03-12 | 2013-09-19 | Toyota Industries Corp | Current interruption device, power storage device, secondary battery, and vehicle |
| US20140203786A1 (en) * | 2013-01-22 | 2014-07-24 | Kabushiki Kaisha Toshiba | Power supply apparatus and power supply control apparatus |
| CN203522242U (en) * | 2013-09-17 | 2014-04-02 | 深圳市格威特光电科技有限公司 | Portable automotive ignition emergency power supply |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109599909B (en) | 2021-12-07 |
| CN106655330B (en) | 2019-01-04 |
| CN109599909A (en) | 2019-04-09 |
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Effective date of registration: 20190528 Address after: 211199 No. 1 Dongji Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Tuohengwulian Technology Co., Ltd. Address before: No. 2, Mengxi Road, Zhenjiang, Jiangsu Province, Jiangsu Patentee before: Jiangsu University of Science and Technology |
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Denomination of invention: A short circuit protection system for emergency power supply Effective date of registration: 20220602 Granted publication date: 20190104 Pledgee: Nanjing Branch of Jiangsu Bank Co.,Ltd. Pledgor: Nanjing Tuohengwulian Technology Co.,Ltd. Registration number: Y2022980007054 |