CN109244572A - Battery pack open circuit afterflow and alarm device - Google Patents
Battery pack open circuit afterflow and alarm device Download PDFInfo
- Publication number
- CN109244572A CN109244572A CN201811333875.8A CN201811333875A CN109244572A CN 109244572 A CN109244572 A CN 109244572A CN 201811333875 A CN201811333875 A CN 201811333875A CN 109244572 A CN109244572 A CN 109244572A
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- China
- Prior art keywords
- circuit
- triode
- battery pack
- alarm device
- open circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses a kind of battery pack open circuit afterflow and alarm devices, it include: open circuit current following device, to one-to-one in parallel with several single-unit batteries, it includes the diode when the single-unit battery is opened a way corresponding freewheeling circuit is connected, the diode is equipped with radiator, and the radiator is equipped with temperature switch；Open circuit alarm device, including being connected to the control circuit by the temperature switch as control switch to realize alarm with background host computer, the output end of the control circuit is equipped with warning lamp；The control circuit includes the first circuit and second circuit, first circuit is equipped with the temperature switch, the second circuit is connected after first circuit conducting, it is unrelated whether the second circuit after conducting is with the conducting of first circuit to control the warning lamp unlatching and be connected to realization alarm with the background host computer.
Description
Technical field
The present disclosure relates generally to power domains, and in particular to a kind of battery pack open circuit afterflow and alarm device.
Background technique
Battery group for fields such as the DC power systems such as electric power, communication, energy storage substation and electric cars is all
Series operation, when wherein open-circuit fault occurs for any batteries, which cannot provide operating current, make entire battery
Group loses due effect.In recent years, electric power direct current system frequently results in protection control due to above-mentioned battery pack open circuit failure
Control equipment tripping, repeatedly causes large area blackout, seriously threatens the safe and stable operation of electric system.
Lead-acid accumulator is mainly by main components groups such as positive plate 1, negative plate 2, partition 3, sulfuric acid electrolyte, battery groove bodies
At as shown in Figure 1.Busbar connector 4 is the confluence busbar for all pole plates being connected to pole 5, the Joining Technology of pole plate to busbar connector
Using welding procedure.Busbar connector generates heat under heavy current impact and easily falls off, so as to cause battery pack open circuit failure.
Currently, mainly having to the operation maintenance management of series-connected batteries: by measure the end voltage of battery, internal resistance,
The parameters such as temperature simultaneously analyze and determine, detect and fall behind fail battery；Periodically battery group core is held, it is desirable that battery group discharge capacity
Not less than 80% rated capacity etc..However, above-mentioned maintenance work despite the use of, but still has and cannot find to open a way in time
Fail battery, and when there is individual battery pack open circuits, battery group can not be made to continue as load in time, operating current is provided
Problem then substantially reduces the stability and reliability of system operation in this way.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of battery pack open circuit afterflow and alarm device,
Include:
Open circuit current following device, to one-to-one in parallel with several single-unit batteries comprising in the single-unit electric power storage
To be connected the diode of corresponding freewheeling circuit when pond is opened a way, the diode is equipped with radiator, on the radiator
Equipped with temperature switch；
Open circuit alarm device, including being connected to background host computer to realize being opened by temperature switch conduct control for alarm
The output end of the control circuit of pass, the control circuit is equipped with warning lamp；
The control circuit includes the first circuit and second circuit, and first circuit is equipped with the temperature switch, institute
It states second circuit to be connected after first circuit conducting, opens and be connected to the background host computer to control the warning lamp
Realize alarm, it is unrelated whether the second circuit after conducting is with the conducting of first circuit.
The warning lamp is set to the branch road after first circuit and second circuit parallel connection.
The control circuit includes the first controlled source, the temperature switch, the second triode and the first triode；It is described by
Control source is connect with the base stage of second triode and collector, with the emitter of first triode and base stage, it is described by
The temperature switch is equipped between control source and the base stage of second triode；The base stage and emitter of second triode with
It is connect after the collector connection of first triode, with the input terminal of the warning lamp, the collector of second triode
It is connect with the base stage of first triode.
First resistor is equipped between the controlled source and the base stage of first triode.
Second resistance is equipped between the base stage of second triode and the collector of first triode.
3rd resistor is equipped between the base stage of first triode and the collector of second triode.
The 4th resistance is equipped between the temperature switch and the base stage of second triode.
Circuit between the emitter and base stage of second triode is equipped with the 5th resistance.
The diode is high current diode.
The warning lamp is light-emitting LED.
Battery pack open circuit afterflow provided by the embodiments of the present application and alarm device, diode therein are opened a way in battery
Meeting overcurrent and heat when failure, for radiator while giving diode radiating, can trigger temperature switch makes its closure, to lead at this time
Logical first circuit.After the conducting of the first circuit, second circuit can be made to be connected, be then connected to background host computer and realize alarm.By
It is unrelated whether second circuit is with the conducting of the first circuit, though battery after afterflow temperature switch disconnect in the case where, second
Circuit is still connected, and warning lamp can be made to be constantly in open state, guarantee before personnel go to handling failure alarm signal and
Warning lamp instruction continues to keep, and while making battery timely afterflow, keeps examining out of order position, convenient to overhaul.Energy
Enough guarantee that battery group being capable of continual offer fault current, it is ensured that operation power it is safe and reliable.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows lead-acid accumulator structure chart；
Fig. 2 shows battery pack open circuit principle of continuity of flow figures in the embodiment of the present application；
Fig. 3 shows acquisition on-off model circuit diagram in the embodiment of the present application；
Fig. 4 shows alarming host circuit diagram in the embodiment of the present application.
Wherein, 1, positive plate, 2, negative plate, 3, partition, 4, busbar connector, 5, pole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the invention is instead of all the embodiments.For ease of description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the embodiment of the present invention for usually describing and showing in this figure
Component can arrange and design with a variety of different configurations.It is understood that specific embodiment described herein is only
It is only used for explaining related invention, rather than the restriction to the invention.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, belong to " setting ",
" connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or the connection of one；It can be
Mechanical connection, is also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, can be two
Connection inside element.For the ordinary skill in the art, visual concrete condition understands above-mentioned term in the present invention
In concrete meaning.
The embodiment of the present application provides a kind of battery pack open circuit afterflow and alarm device, comprising:
Open circuit current following device, to one-to-one in parallel with several single-unit batteries comprising sent out in single-unit battery
It gives birth to the diode that corresponding freewheeling circuit is connected when opening a way, diode is equipped with radiator, and radiator is equipped with temperature switch；
Open a way alarm device, including be connected to background host computer to realize alarm by temperature switch as control switch
The output end of control circuit, control circuit is equipped with warning lamp LED；
Control circuit includes the first circuit and second circuit, and the first circuit is equipped with temperature switch, and second circuit is first
Be connected after circuit conducting, so that controlling warning lamp opens and be connected to background host computer realization alarm, second circuit after conducting and
It is unrelated whether the conducting of first circuit.
Warning lamp is set to the branch road after the first circuit and second circuit parallel connection.
Control circuit includes the first controlled source, temperature switch, as the second triode of the second acquisition on-off model Q2
With the first triode as the first acquisition on-off model Q1；The base stage and collector of controlled source and the second triode, with the
The emitter of one triode is connected with base stage, and temperature switch K1 is equipped between controlled source and the base stage of the second triode；Two or three
The base stage and emitter of pole pipe connect with the collector of the first triode after, connect with the input terminal of warning lamp, the second triode
Collector connect with the base stage of the first triode.
First resistor R1 is equipped between controlled source and the base stage of the first triode.
Second resistance R2 is equipped between the base stage of second triode and the collector of the first triode.
3rd resistor R3 is equipped between the base stage of first triode and the collector of the second triode.
The 4th resistance R4 is equipped between temperature switch and the base stage of the second triode.
Circuit between the emitter and base stage of second triode is equipped with the 5th resistance R5.
Diode is high current diode.
Warning lamp is light-emitting LED.
Further, specific structure can be such that
1 battery pack open circuit afterflow function is realized
Battery pack open circuit current following device will realize that cell batteries open circuit is protected on the pole for being directly installed on single-unit battery
Protective function: when cell batteries abnormal failure, by the automatic afterflow of trouble accumulator, without influencing the normal supplying power for outside of whole group.Such as
Shown in Fig. 2, each battery in battery group is " battery pack open circuit current following device " in parallel.When the electric discharge of battery group, appoint
The discharge current Id of batteries of anticipating open circuit, battery group will such as scheme automatically incessantly through battery pack open circuit current following device afterflow
In thick red line, it can be ensured that battery group work normally, prevent protection control etc. devices tripping.
Open circuit current following device is made of high current diode, radiator and mounting bracket, and diode action is sent out in battery
It is connected when raw open-circuit fault, uninterruptedly provides electric current to load to realize；Radiator effect is to diode radiating；Installation branch
Frame is easily installed according to live battery design, does not need other wiring.
2 battery pack open circuit alarm functions are realized
Open circuit freewheeling diode overcurrent can generate heat, so designing radiator on the diode.40 DEG C are installed on a heat sink
Temperature switch, when diode overcurrent, temperature switch is closed, and designs circuit sampling temperature switch signal, then toward background transfer,
To realize battery pack open circuit alarm function.
As shown in figure 3, acquisition on-off model original state Q1 and Q2 cut-off, will not issue alarm signal.K1 is temperature
Switch, diode overcurrent and heat, temperature switch is connected and K1 closed loop, and R4 and R5 constitutes the biasing circuit of Q2 to Q2 after K1 closed loop
Conducting；The biasing circuit of R1, R3 and the Q2 of conducting composition Q1 are connected to Q1,；D1 connects 2 feet of J1 and 6 feet connect host alarm after
GND is met after electric apparatus coil again, the effective driving circuit of relay is formed by D1 after Q1 conducting, to issue alarm to backstage；D1
Be it is light-emitting LED, conducting shine plays suggesting effect.After afterflow, radiator cooling, temperature switch is disconnected, but Q1 and Q2 are equal at this time
In on state；Q1, R2 and R5 of conducting constitute the biasing circuit of Q2 to which Q2 is connected；R1, R3 and the Q2 of conducting constitute Q1's
Biasing circuit is connected to Q1；Guarantee that alarm signal and LED indication continue to keep before personnel go to handling failure.
As shown in figure 4, J2 is equipment power input, power supply；Power supply by switch K2 access circuit board LED indicating circuit with
And J3 is followed by acquisition on-off model circuit and corresponds to J1；2 feet and 6 feet of J3 connect acquisition on-off model circuit and correspond to the 2 of J1
Foot and 6 feet are on-off model output pin, and relay RELAY, alarm signal after relay closure are obtained if having signal output
It is transmitted from J4 toward background devices, to realize battery pack open circuit fault remote alarm function.
After service personnel views alarm signal, check that all acquisition on-off model circuits of equipment, LED light to scene
It is corresponding open-circuit fault battery；After having handled fail battery, division K2 is switched again, and circuit system resets.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of battery pack open circuit afterflow and alarm device characterized by comprising
Open circuit current following device, to one-to-one in parallel with several single-unit batteries comprising sent out in the single-unit battery
It gives birth to the diode that corresponding freewheeling circuit is connected when opening a way, the diode is equipped with radiator, and the radiator is equipped with
Temperature switch；
Open a way alarm device, including be connected to background host computer to realize alarm by the temperature switch as control switch
The output end of control circuit, the control circuit is equipped with warning lamp；
The control circuit includes the first circuit and second circuit, and first circuit is equipped with the temperature switch, and described the
Two circuits are connected after first circuit conducting, open to control the warning lamp and are connected to realization with the background host computer
It alarms, it is unrelated whether the second circuit after conducting is with the conducting of first circuit.
2. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the warning lamp is set to institute
Branch road after stating the first circuit and second circuit parallel connection.
3. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the control circuit includes
First controlled source, the temperature switch, the second triode and the first triode；The base of the controlled source and second triode
Pole and collector are connect, the base of the controlled source and second triode with the emitter of first triode and base stage
The temperature switch is equipped between pole；The base stage and emitter of second triode and the collector of first triode connect
Connect it is rear, connect with the input terminal of the warning lamp, the base stage company of the collector of second triode and first triode
It connects.
4. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the controlled source with it is described
First resistor is equipped between the base stage of first triode.
5. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that second triode
Second resistance is equipped between base stage and the collector of first triode.
6. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that first triode
3rd resistor is equipped between base stage and the collector of second triode.
7. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the temperature switch and institute
It states and is equipped with the 4th resistance between the base stage of the second triode.
8. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that second triode
Circuit between emitter and base stage is equipped with the 5th resistance.
9. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the diode is big electricity
Flow diode.
10. battery pack open circuit afterflow according to claim 1 and alarm device, which is characterized in that the warning lamp is hair
Light LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333875.8A CN109244572A (en) | 2018-11-09 | 2018-11-09 | Battery pack open circuit afterflow and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333875.8A CN109244572A (en) | 2018-11-09 | 2018-11-09 | Battery pack open circuit afterflow and alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109244572A true CN109244572A (en) | 2019-01-18 |
Family
ID=65077957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333875.8A Pending CN109244572A (en) | 2018-11-09 | 2018-11-09 | Battery pack open circuit afterflow and alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635180A (en) * | 2019-08-01 | 2019-12-31 | 国网浙江省电力有限公司丽水供电公司 | Charge and discharge fault removing device for storage battery |
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| CN208986130U (en) * | 2018-11-09 | 2019-06-14 | 国网安徽省电力有限公司宿州供电公司 | Battery pack open circuit afterflow and alarm device |
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| CN204517380U (en) * | 2015-04-10 | 2015-07-29 | 国网山东广饶县供电公司 | Control with storage battery under-voltage protection controller |
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