CN110400981A - One kind being used for locomotive storage batteries safety protective circuit - Google Patents
One kind being used for locomotive storage batteries safety protective circuit Download PDFInfo
- Publication number
- CN110400981A CN110400981A CN201910535734.2A CN201910535734A CN110400981A CN 110400981 A CN110400981 A CN 110400981A CN 201910535734 A CN201910535734 A CN 201910535734A CN 110400981 A CN110400981 A CN 110400981A
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- Prior art keywords
- capacitor
- circuit
- resistance
- comparator
- voltage
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 38
- 230000001681 protective effect Effects 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 91
- 238000003032 molecular docking Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000007257 malfunction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to one kind to be used for locomotive storage batteries safety protective circuit, using completely new hardware structure circuit architecture design, on-off control is carried out for the power supply for locomotive battery, wherein battery group total voltage by after electric resistance partial pressure compared with reference voltage, for different voltages range battery group, only need simple match divider resistance, the applicability of system is widened, and design voltage return difference circuit in circuit, circuit is enabled to overcome comparator inconsistency, and voltage fluctuation bring influences, guarantee that detection is stablized, malfunction is not generated, enhance the reliability and adaptability of system, hardware realization is used completely due to designing, so storage battery safe protection circuit of the present invention is applied widely, it is at low cost, effectively increase battery group application stability and efficiency.
Description
Technical field
The present invention relates to one kind to be used for locomotive storage batteries safety protective circuit, belongs to power supply protection circuit technical field.
Background technique
Backup power source of the battery group as Train Control equipment and various emergency lightings, it is very high to its reliability requirement,
Battery group security implication is operated normally to locomotive and safety.In order to ensure battery group safety, it is conventional using battery detection or
Management system, by the acquisition to parameters such as battery voltage, electric current and temperature, software determines whether battery overcharges, and avoids
Battery group overcharge.When in battery detection or management system there is a situation where acquisition module is burnt out or software sideslip etc. is out of control,
Monitoring or management system would be possible to become load etc., and then jeopardize battery group safety;Meanwhile battery detection or management system
It is controlled using single-chip microcontroller, this method higher cost, the more reliability of component is not high.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind to be used for locomotive storage batteries safety protective circuit, using completely new
Hardware structure circuit architecture design can be avoided the on-off switching control frequently to battery group, improve battery group application
Stability and efficiency.
In order to solve the above-mentioned technical problem the present invention uses following technical scheme: the present invention devises a kind of for locomotive storage
Cell safety protects circuit, carries out on-off control, including bleeder circuit and more electric for the power supply for locomotive battery
Road, wherein bleeder circuit includes the resistance R1 and resistance R2 being serially connected, backwards to one end conduct of resistance R2 on resistance R1
The end Port1, input, docking locomotive battery for bleeder circuit, resistance R2 are upper backwards to one end of resistance R1 ground connection, resistance
Output end of the both ends of R2 as bleeder circuit;
Comparison circuit includes comparator U1, resistance R4, resistance R5, resistance R6, diode D1, capacitor C9, resistance R4 its
Input terminal of the middle one end as comparison circuit, the positive input+IN, comparator U1 of the other end docking comparator U1 of resistance R4
Reverse input end-IN to wherein one end of connecting resistance R5, the other end of resistance R5 is as the end Port2, for accessing default ginseng
Voltage is examined, the anode access voltage end V+ of comparator U1 docks default supply voltage VCC, and the cathode of comparator U1 accesses voltage end
V- ground connection, and comparator U1 anode access voltage end V+ series capacitance C9 after, docking comparator U1 cathode access voltage end
The output end OUT of V-, comparator U1 be sequentially connected in series diode D1, resistance R6 after, the positive input+IN of docking comparator U1,
The output end OUT of comparator U1 is the output end of comparison circuit simultaneously;
The input terminal of the output end docking comparison circuit of bleeder circuit, the output end of comparison circuit is as the end Port3, docking
The output contactor of locomotive battery, for realizing on-off switching to the power supply of locomotive for locomotive battery.
As a preferred technical solution of the present invention: it further include filter circuit, the output end difference of the bleeder circuit
The input terminal of filter circuit is docked, the output end of filter circuit docks the input terminal of the comparison circuit.
As a preferred technical solution of the present invention: the filter circuit includes capacitor C1, polar capacitor C2, capacitor
C3, capacitor C4, capacitor C5, resistance R3, capacitor C6, capacitor C7, capacitor C8;The electrode input end of filter circuit is sequentially connected in series capacitor
Wherein one end of C1, the positive terminal of polar capacitor C2, wherein one end of capacitor C3, wherein one end of capacitor C4, capacitor C5 its
Middle one end, resistance R3, wherein one end of capacitor C6, wherein one end of capacitor C7, capacitor C8 wherein one end after, to filter circuit
Output end, the negative input of filter circuit is sequentially connected in series the other end of capacitor C1, the negative pole end of polar capacitor C2, capacitor C3
The other end, the other end of capacitor C4, the other end of capacitor C5, the other end of capacitor C6, the other end of capacitor C7, capacitor C8
The other end;The output end of the bleeder circuit docks the electrode input end of filter circuit, negative input respectively, filter circuit
Output end docks the input terminal of the comparison circuit.
As a preferred technical solution of the present invention: it further include voltage regulator circuit, the output end docking of the comparison circuit
The input terminal of voltage regulator circuit, the output end of voltage regulator circuit dock the output contactor of locomotive battery as the end Port3.
As a preferred technical solution of the present invention: the voltage regulator circuit include capacitor C10, capacitor C11, resistance R7,
Resistance R8, diode D2, the input terminal of voltage regulator circuit dock respectively wherein one end of capacitor C10, capacitor C11 wherein one end,
Wherein one end of resistance R7, the other end of capacitor C10, the other end of capacitor C11, diode D2 positive terminal three be connected
Ground, the other end of resistance R7, the negative pole end of diode D2, wherein one end three of resistance R8 is connected, constitutes the defeated of voltage regulator circuit
Outlet, the other end of resistance R8 dock default supply voltage VCC.
It is of the present invention a kind of for locomotive storage batteries safety protective circuit, using above technical scheme and prior art phase
Than having following technical effect that
It is of the invention designed to be used for locomotive storage batteries safety protective circuit, using completely new hardware structure circuit architecture design,
Carry out on-off control for the power supply for locomotive battery, wherein battery group total voltage by after electric resistance partial pressure with reference
Voltage compares, and for different voltages range battery group, only needs simple match divider resistance, has widened the applicability of system,
And design voltage return difference circuit in circuit enables circuit to overcome comparator inconsistency and voltage fluctuation bring
It influences, guarantees that detection is stablized, do not generate malfunction, enhance the reliability and adaptability of system, due to designing completely using hard
Part is realized, so storage battery safe protection circuit of the present invention is applied widely, it is at low cost, it is steady to effectively increase the application of battery group
Qualitative and efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram that the present invention is designed for locomotive storage batteries safety protective circuit.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings of the specification.
The present invention devises one kind for locomotive storage batteries safety protective circuit, for being directed to the power supply of locomotive battery
On-off control is carried out, as shown in Figure 1, specifically including bleeder circuit, filter circuit, comparison circuit, voltage regulator circuit, wherein partial pressure
Circuit includes the resistance R1 and resistance R2 being serially connected, and one end on resistance R1 backwards to resistance R2 is as the end Port1, for dividing
Locomotive battery is docked in the input of circuit, is grounded on resistance R2 backwards to one end of resistance R1, the both ends of resistance R2 are as partial pressure
The output end of circuit.
Filter circuit includes capacitor C1, polar capacitor C2, capacitor C3, capacitor C4, capacitor C5, resistance R3, capacitor C6, capacitor
C7, capacitor C8;The electrode input end of filter circuit is sequentially connected in series wherein one end of capacitor C1, the positive terminal of polar capacitor C2, electricity
Hold wherein one end of C3, wherein one end of capacitor C4, capacitor C5 wherein one end, resistance R3, wherein one end of capacitor C6, capacitor
Behind wherein one end of C7, wherein one end of capacitor C8, to the output end of filter circuit, the negative input of filter circuit is successively gone here and there
Join the other end of capacitor C1, the negative pole end of polar capacitor C2, the other end of capacitor C3, the other end of capacitor C4, capacitor C5 it is another
One end, the other end of capacitor C6, the other end of capacitor C7, capacitor C8 the other end.
Comparison circuit includes comparator U1, resistance R4, resistance R5, resistance R6, diode D1, capacitor C9, resistance R4 its
Input terminal of the middle one end as comparison circuit, the positive input+IN, comparator U1 of the other end docking comparator U1 of resistance R4
Reverse input end-IN to wherein one end of connecting resistance R5, the other end of resistance R5 is as the end Port2, for accessing default ginseng
Voltage is examined, the anode access voltage end V+ of comparator U1 docks default supply voltage VCC, and the cathode of comparator U1 accesses voltage end
V- ground connection, and comparator U1 anode access voltage end V+ series capacitance C9 after, docking comparator U1 cathode access voltage end
The output end OUT of V-, comparator U1 be sequentially connected in series diode D1, resistance R6 after, the positive input+IN of docking comparator U1,
The output end OUT of comparator U1 is the output end of comparison circuit simultaneously.
Here the comparator U1 in comparison circuit presets supply voltage VCC using single supply and is powered, relative to positive and negative
Power supply power supply, so that circuit structure is very simple, and comparator U1 output end is influenced by power supply power supply, export-restriction 3.5V
Left and right, in order to guarantee the stability of hysteresis voltage, is handled output voltage using voltage regulator circuit.
Voltage regulator circuit includes capacitor C10, capacitor C11, resistance R7, resistance R8, diode D2, the input terminal point of voltage regulator circuit
Not Dui Jie wherein one end of capacitor C10, wherein one end of capacitor C11, resistance R7 wherein one end, the other end, the electricity of capacitor C10
The positive terminal three of the other end, diode D2 that hold C11, which is connected, to be grounded, the other end of resistance R7, the negative pole end of diode D2, electricity
Wherein one end three of resistance R8 is connected, constitutes the output end of voltage regulator circuit, and the other end of resistance R8 docks default supply voltage
VCC。
The output end of bleeder circuit docks the electrode input end of filter circuit, negative input respectively, filter circuit it is defeated
Outlet docks the input terminal of comparison circuit, the input terminal of the output end docking voltage regulator circuit of comparison circuit, the output of voltage regulator circuit
End is used as the end Port3, docks the output contactor of locomotive battery, real for the power supply for locomotive battery to locomotive
Existing on-off switching.
Above-mentioned designed for locomotive storage batteries safety protective circuit, in practical application, capacitor C2 is large capacity electricity
Hold, when entire circuit powers on, the output end voltage rate of climb of filter circuit is less than the rate of climb of the port Port2, the end Port2
The predetermined reference voltage accessed can be generated by power supply chip, can also be generated by electric resistance partial pressure etc., primarily to
Voltage compares after filter circuit output end partial pressure, not voltage limit producing method.
In practical application, it is assumed that the voltage value of the output end of filter circuit is UVBF, Port2 terminates electric into preset reference
Pressure value is UREF, the output voltage of comparator U1 output end OUT is U0, the voltage of the positive input+IN of comparator U1 is U+, than
Voltage compared with device negative input-IN is U-。
In application process, work as U+≥U-When, the output voltage U of comparator U1 output end OUT0Value be equal to default power supply electricity
Press VCC through voltage regulator circuit by the end Port3 output voltage UTValue, i.e. U0=UT, then at this timeUHFor upper limit trigger voltage.
Work as U+<U-When, the output voltage U of comparator U1 output end OUT0Value be equal to 0, because of the effect of diode D1, at this time
U+=UL=UVBF, ULFor lower limit trigger voltage.
Then generated voltage back diffirenceBased on the present invention design in compare
Circuit between device U1 output end and its positive input+IN, the return difference characteristic can effectively eliminate comparator U1 inconsistency, with
And voltage fluctuation bring influences, and guarantees the stability of signal output, does not generate malfunction.
Above-mentioned technical proposal is designed to be used for locomotive storage batteries safety protective circuit, using completely new hardware structure circuit framework
Design carries out on-off control for the power supply for locomotive battery, and wherein battery group total voltage passes through after electric resistance partial pressure
Compared with reference voltage, for different voltages range battery group, simple match divider resistance is only needed, answering for system has been widened
With property, and design voltage return difference circuit in circuit, enable circuit to overcome comparator inconsistency and voltage fluctuation band
The influence come guarantees that detection is stablized, does not generate malfunction, enhance the reliability and adaptability of system, since design is adopted completely
With hardware realization, so storage battery safe protection circuit of the present invention is applied widely, it is at low cost, it effectively increases battery group and answers
With stability and efficiency.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (5)
1. one kind is used for locomotive battery safety protective circuit, on-off control is carried out for the power supply for locomotive battery
System, it is characterised in that: including bleeder circuit and comparison circuit, wherein bleeder circuit includes the resistance R1 and resistance being serially connected
Backwards to one end of resistance R2 as the end Port1 on R2, resistance R1, input, docking locomotive battery for bleeder circuit, electricity
It hinders and is grounded on R2 backwards to one end of resistance R1, output end of the both ends of resistance R2 as bleeder circuit;
Comparison circuit includes comparator U1, resistance R4, resistance R5, resistance R6, diode D1, capacitor C9, and wherein the one of resistance R4
The input terminal as comparison circuit is held, the positive input+IN of the other end docking comparator U1 of resistance R4, comparator U1's is anti-
To input terminal-IN to wherein one end of connecting resistance R5, the other end of resistance R5 is as the end Port2, for accessing preset reference electricity
Pressure, the anode access voltage end V+ of comparator U1 dock default supply voltage VCC, and the cathode access voltage end V- of comparator U1 connects
Ground, and comparator U1 anode access voltage end V+ series capacitance C9 after, docking comparator U1 cathode access voltage end V-, than
Output end OUT compared with device U1 be sequentially connected in series diode D1, resistance R6 after, the positive input+IN of docking comparator U1, compare simultaneously
Output end OUT compared with device U1 is the output end of comparison circuit;
The input terminal of the output end docking comparison circuit of bleeder circuit, the output end of comparison circuit dock locomotive as the end Port3
The output contactor of battery group, for realizing on-off switching to the power supply of locomotive for locomotive battery.
2. a kind of according to claim 1 be used for locomotive battery safety protective circuit, it is characterised in that: further include filtering
Circuit, the output end of the bleeder circuit dock the input terminal of filter circuit respectively, and the output end of filter circuit docks the ratio
Compared with the input terminal of circuit.
3. a kind of according to claim 2 be used for locomotive battery safety protective circuit, it is characterised in that: the filtered electrical
Road includes capacitor C1, polar capacitor C2, capacitor C3, capacitor C4, capacitor C5, resistance R3, capacitor C6, capacitor C7, capacitor C8;Filtering
The electrode input end of circuit be sequentially connected in series wherein one end of capacitor C1, the positive terminal of polar capacitor C2, capacitor C3 wherein one end,
Wherein one end of capacitor C4, wherein one end of capacitor C5, resistance R3, wherein one end of capacitor C6, wherein one end of capacitor C7, electricity
Hold C8 wherein one end after, to the output end of filter circuit, the negative input of filter circuit is sequentially connected in series the another of capacitor C1
End, the negative pole end of polar capacitor C2, the other end of capacitor C3, the other end of capacitor C4, the other end of capacitor C5, capacitor C6 it is another
One end, the other end of capacitor C7, capacitor C8 the other end;The output end of the bleeder circuit docks the anode of filter circuit respectively
Input terminal, negative input, the output end of filter circuit dock the input terminal of the comparison circuit.
4. being used for locomotive battery safety protective circuit to one kind described in any one of 3 according to claim 1, feature exists
In: it further include voltage regulator circuit, the input terminal of the output end docking voltage regulator circuit of the comparison circuit, the output end of voltage regulator circuit is made
For the end Port3, the output contactor of locomotive battery is docked.
5. a kind of according to claim 4 be used for locomotive battery safety protective circuit, it is characterised in that: the pressure stabilizing electricity
Road includes capacitor C10, capacitor C11, resistance R7, resistance R8, diode D2, and the input terminal of voltage regulator circuit docks capacitor C10 respectively
Wherein one end, wherein one end of capacitor C11, resistance R7 wherein one end, the other end of capacitor C10, capacitor C11 it is another
It holds, the connected ground connection of the positive terminal three of diode D2, the other end of resistance R7, the negative pole end of diode D2, resistance R8 are wherein
One end three is connected, constitutes the output end of voltage regulator circuit, and the other end of resistance R8 docks default supply voltage VCC.
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CN201910535734.2A CN110400981A (en) | 2019-06-20 | 2019-06-20 | One kind being used for locomotive storage batteries safety protective circuit |
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CN201910535734.2A CN110400981A (en) | 2019-06-20 | 2019-06-20 | One kind being used for locomotive storage batteries safety protective circuit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110763910A (en) * | 2019-11-11 | 2020-02-07 | 绵阳市维博电子有限责任公司 | Digital display DC meter and current sampling circuit thereof |
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CN211507819U (en) * | 2019-06-20 | 2020-09-15 | 江苏永贵新能源科技有限公司 | Safety protection circuit for locomotive storage battery |
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CN110763910A (en) * | 2019-11-11 | 2020-02-07 | 绵阳市维博电子有限责任公司 | Digital display DC meter and current sampling circuit thereof |
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