CN102222883A - Automatic over-current and short-circuit protecting and restoring circuit of jump start power - Google Patents
Automatic over-current and short-circuit protecting and restoring circuit of jump start power Download PDFInfo
- Publication number
- CN102222883A CN102222883A CN2011101761504A CN201110176150A CN102222883A CN 102222883 A CN102222883 A CN 102222883A CN 2011101761504 A CN2011101761504 A CN 2011101761504A CN 201110176150 A CN201110176150 A CN 201110176150A CN 102222883 A CN102222883 A CN 102222883A
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- storage battery
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- Emergency Protection Circuit Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses an automatic over-current and short-circuit protecting and restoring circuit of a jump start power. The circuit is connected with a storage battery circuit, comprises an automatic restoration fuse circuit and a high-current switch circuit which are connected with the anode and the cathode of a storage battery in series, and also comprises a current detecting circuit, a timing circuit and a status indicating circuit. When the current of the circuit exceeds the rated current of the automatic restoration fuse circuit, the automatic restoration fuse circuit is disconnected, and the circuit stops electric discharge. In the electric discharging process, when the voltage of the storage battery circuit reaches the set time of the timing circuit within time less than the set voltage, the timing circuit sends a turn-off signal to the high-current switch to control on and off of the high-current switch, and the status indicating circuit displays the real-time status of the circuit. The automatic over-current and short-circuit protecting and resetting circuit of the emergency power starting power has the functions of protection of over current, storage battery overheat and automatic output short circuit fuse turnoff, and automatic restoration of over current, storage battery overheat and output short circuit released fuse.
Description
Technical field
The present invention relates to a kind of emergency power startup power supply overcurrent and short circuit and protect restore circuit automatically.
Background technology
The automobile lead acid accumulator is automobilism, and especially the vitals of automobile starting normally uses in order to guarantee automobile, needs " emergency starting power supply " (JUMPSTART POWER) of configuration usually so that emergent usefulness; And the cell arrangement of emergency starting power supply all is based on lead acid accumulator, usually the user in use easily error-polarity connection or careless positive and negative polarities collide cause that battery burns, thermal spalling, fire or personal injury.
" emergency starting power supply " ubiquity in the market following problem:
1, no overcurrent, output short circuit protection function;
2, no storage battery overtemperature protection, start defencive function every continuous several times continuously.
3, no overcurrent, overheated, the output short-circuit releasing fuse self-recovering function of storage battery.
Summary of the invention
A kind of emergency power provided by the invention starts the power supply overcurrent and protects restore circuit automatically with short circuit, has that overcurrent, storage battery are overheated, the automatic disconnection protection of output short-circuit fuse and overcurrent, overheated, an output short-circuit releasing fuse self-recovering function of storage battery.
In order to achieve the above object; the invention provides a kind of emergency power startup power supply overcurrent and short circuit and protect restore circuit automatically; this circuit is connected with battery circuit; this circuit comprises the auto-instauration fuse circuit and the high-current switch circuit of connecting with the both positive and negative polarity of storage battery, also comprises current detection circuit, timing circuit and condition indication circuit.
The negative pole of storage battery links to each other with the auto-instauration fuse circuit, the auto-instauration fuse circuit links to each other with condition indication circuit with current detection circuit, the positive pole of storage battery links to each other with high-current switch, high-current switch links to each other with condition indication circuit with timing circuit, condition indication circuit links to each other with timing circuit, simultaneously link to each other the construction system dynamic loop with the negative pole of storage battery.
During work; after emergency power starts the power supply overcurrent and short circuit is protected restore circuit automatically and storage battery is connected; be connected to vehicle startup system; the high-current switch closure; make circuit closed, storage battery that flow through auto-instauration fuse circuit and provide electric flux to vehicle startup system of several one hundred ampere of big electric current can be provided, when the electric current in the circuit surpasses the rated current of auto-instauration fuse circuit; the auto-instauration fuse circuit disconnects, and circuit stops discharge.In the discharge process, current detection circuit detects the variable signal of battery tension in discharge voltage signal and the discharge process, signal amplified and mould/number conversion after, pass to timing circuit and condition indication circuit, if battery circuit voltage has reached the setting-up time of timing circuit less than time of setting voltage, then timing circuit sends cut-off signals and gives high-current switch, and the control high-current switch turn-offs the real-time status of condition indication circuit display circuit.
The principle of auto-instauration fuse circuit: the auto-instauration fuse circuit is made by the conductive nano crystalline material, and the conductive nano crystal forms chain conductive path, auto-instauration fuse operate as normal with the resin-based link; When circuit is short-circuited or transships, the big electric current of auto-instauration fuse of flowing through makes its collection temperature rise, when reaching Curie temperature, its density of states reduces rapidly, phase transformation increases, and inner electrically conductive links is change of snowslide attitude or fracture, and fuse is phase step type and adjourns high-impedance state, electric current is by rapid pinch off, thereby circuit is carried out fast, limit accurately and protect, its small electric current makes auto-instauration fuse be in guard mode always, after outage and fault eliminating, its collection temperature drop is low, and the density of states increases, and phase transformation is restored nanocrystal and is reduced into the chain conductive path, auto-instauration fuse reverts to normal condition, reaches the target of protection equipment and personal safety; Need not artificial replacing.
The present invention has that overcurrent, storage battery are overheated, the automatic disconnection protection of output short-circuit fuse and overcurrent, storage battery are overheated, output short-circuit is removed the fuse self-recovering function.
Description of drawings
Fig. 1 is the circuit block diagram that restore circuit is protected in emergency power startup power supply overcurrent provided by the invention and short circuit automatically.
Embodiment
Following according to Fig. 1, specify preferred embodiment of the present invention.
As shown in Figure 1; a kind of emergency power starts the power supply overcurrent and restore circuit is protected in short circuit automatically; this circuit is connected with storage battery 6 circuit; this circuit comprises the auto-instauration fuse circuit 1 and the high-current switch circuit 2 of connecting with the both positive and negative polarity of storage battery, also comprises current detection circuit 3 and condition indication circuit 5.
The negative pole of storage battery 6 links to each other with auto-instauration fuse circuit 1, auto-instauration fuse circuit 1 links to each other with condition indication circuit 5 with current detection circuit 3, the positive pole of storage battery 6 links to each other with high-current switch 2, high-current switch 2 links to each other with condition indication circuit 5 with timing circuit 4, condition indication circuit 5 links to each other with timing circuit 4, simultaneously link to each other the construction system dynamic loop with the negative pole of storage battery 6.
The model of current detection circuit 3 is LMV324M, and the model of timing circuit 4 is CPU ATMEGA32-16AU.
During work; after emergency power starts the power supply overcurrent and short circuit is protected restore circuit automatically and storage battery 6 is connected; be connected to vehicle startup system; high-current switch 2 closures; make circuit closed, storage battery 6 that flow through auto-instauration fuse circuit 1 and provide electric flux to vehicle startup system of several one hundred ampere (AMP) big electric current can be provided, when the electric current in the circuit surpasses the rated current of auto-instauration fuse circuit 1; auto-instauration fuse circuit 1 disconnects, and circuit stops discharge.In the discharge process, current detection circuit 3 detects the variable signal of battery tension in discharge voltage signal and the discharge process, signal amplified and mould/number conversion after, pass to timing circuit 4 and condition indication circuit 5, if battery circuit voltage has reached the setting-up time of timing circuit 4 less than time of setting voltage, then timing circuit 4 sends cut-off signals and gives high-current switch 2, and control high-current switch 2 turn-offs the real-time status of condition indication circuit 5 display circuits.
The principle of auto-instauration fuse circuit 1: auto-instauration fuse circuit 1 is made by the conductive nano crystalline material, (for example: auto-instauration fuse is processed into through special process by high-tech polymer resin and conductive nano crystal grain, and the conductive nano crystalline material has also obtained extensive use in the resettable fuse industry, only resettable fuse industry technology level only limits to 18A with interior medium and small electric current resettable fuse Related product, can't break through big electric current.) the conductive nano crystal forms chain conductive path, auto-instauration fuse operate as normal with resin-based link; When circuit is short-circuited or transships, the big electric current of auto-instauration fuse of flowing through makes its collection temperature rise, when reaching Curie temperature, its density of states reduces rapidly, phase transformation increases, and inner electrically conductive links is change of snowslide attitude or fracture, and fuse is phase step type and adjourns high-impedance state, electric current is by rapid pinch off, thereby circuit is carried out fast, limit accurately and protect, its small electric current makes auto-instauration fuse be in guard mode always, after outage and fault eliminating, its collection temperature drop is low, and the density of states increases, and phase transformation is restored nanocrystal and is reduced into the chain conductive path, auto-instauration fuse reverts to normal condition, reaches the target of protection equipment and personal safety; Need not artificial replacing.
In a typical embodiment:
When 1, the circuit voltage that detects storage battery when current detection circuit 3 continued that terminal voltage was less than 7.5V in 5 seconds, timing circuit 4 sent a cut-off signals and gives high-current switch 2, and high-current switch 2 will be forced closed.
2, the big electric current that provides when the storage battery 6 auto-instauration fuse circuit 1 of flowing through, and surpass 30% ~ 50% o'clock of auto-instauration fuse circuit 1 rated current, auto-instauration fuse circuit 1 is automatic disconnection within 1 ~ 5 second rapidly.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (2)
1. an emergency power starts the power supply overcurrent and restore circuit is protected in short circuit automatically, this circuit is connected with storage battery (6) circuit, it is characterized in that, this circuit comprises the auto-instauration fuse circuit (1) and the high-current switch circuit (2) of connecting with the both positive and negative polarity of storage battery, also comprises current detection circuit (3), timing circuit (4) and condition indication circuit (5);
The negative pole of storage battery (6) links to each other with auto-instauration fuse circuit (1), auto-instauration fuse circuit (1) links to each other with condition indication circuit (5) with current detection circuit (3), the positive pole of storage battery (6) links to each other with high-current switch (2), high-current switch (2) links to each other with condition indication circuit (5) with timing circuit (4), condition indication circuit (5) links to each other with timing circuit (4), simultaneously link to each other the construction system dynamic loop with the negative pole of storage battery (6).
2. emergency power as claimed in claim 1 starts the power supply overcurrent and restore circuit is protected in short circuit automatically, it is characterized in that described auto-instauration fuse circuit (1) is made by the conductive nano crystalline material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101761504A CN102222883A (en) | 2011-06-28 | 2011-06-28 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
| CN2011202216229U CN202172262U (en) | 2011-06-28 | 2011-06-28 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101761504A CN102222883A (en) | 2011-06-28 | 2011-06-28 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
| CN2011202216229U CN202172262U (en) | 2011-06-28 | 2011-06-28 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102222883A true CN102222883A (en) | 2011-10-19 |
Family
ID=69312523
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101761504A Pending CN102222883A (en) | 2011-06-28 | 2011-06-28 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
| CN2011202216229U Expired - Fee Related CN202172262U (en) | 2011-06-28 | 2011-06-28 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202216229U Expired - Fee Related CN202172262U (en) | 2011-06-28 | 2011-06-28 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102222883A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014000133A1 (en) * | 2012-06-28 | 2014-01-03 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery pack module of large-current discharge technologies |
| CN104253453A (en) * | 2013-06-27 | 2014-12-31 | 苏州中元动力科技有限公司 | Ternary lithium battery vehicle emergency starting power source |
| CN104638687A (en) * | 2013-11-07 | 2015-05-20 | 苏州中元动力科技有限公司 | Vehicle jump-starter |
| CN105047497A (en) * | 2015-08-20 | 2015-11-11 | 武汉标迪电子科技有限公司 | Fuse for protecting cells of battery pack of electric car |
| CN105047498A (en) * | 2015-08-20 | 2015-11-11 | 武汉标迪电子科技有限公司 | Fuse for protecting aluminum-case cells of battery pack of electric car |
| CN107123969A (en) * | 2017-02-15 | 2017-09-01 | 杰华特微电子（杭州）有限公司 | Output protection circuit and method |
| CN109406981A (en) * | 2018-10-12 | 2019-03-01 | 山东阅芯电子科技有限公司 | The guard method of power device dynamic test |
| CN110783884A (en) * | 2019-10-17 | 2020-02-11 | 安徽省航嘉智源科技有限公司 | Short circuit self-recovery method and system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102222883A (en) * | 2011-06-28 | 2011-10-19 | 上海广为美线电源电器有限公司 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
| CN203930012U (en) * | 2014-04-28 | 2014-11-05 | 戴健郎 | The multifunctional electric measuring equipment of rescue battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101026313A (en) * | 2007-03-20 | 2007-08-29 | 南开大学 | Multifunctional intelligent solar lamp controller |
| CN201011704Y (en) * | 2007-01-19 | 2008-01-23 | 周金平 | High power electricity discharge protecting device for power lithium battery |
| CN201536267U (en) * | 2009-08-06 | 2010-07-28 | 厦门多科莫太阳能科技有限公司 | Direct-current power supply for photovoltaic user |
| CN202172262U (en) * | 2011-06-28 | 2012-03-21 | 上海广为美线电源电器有限公司 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
-
2011
- 2011-06-28 CN CN2011101761504A patent/CN102222883A/en active Pending
- 2011-06-28 CN CN2011202216229U patent/CN202172262U/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201011704Y (en) * | 2007-01-19 | 2008-01-23 | 周金平 | High power electricity discharge protecting device for power lithium battery |
| CN101026313A (en) * | 2007-03-20 | 2007-08-29 | 南开大学 | Multifunctional intelligent solar lamp controller |
| CN201536267U (en) * | 2009-08-06 | 2010-07-28 | 厦门多科莫太阳能科技有限公司 | Direct-current power supply for photovoltaic user |
| CN202172262U (en) * | 2011-06-28 | 2012-03-21 | 上海广为美线电源电器有限公司 | Over-current and short circuit automatic protection recovery circuit of emergency power starting power supply |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014000133A1 (en) * | 2012-06-28 | 2014-01-03 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery pack module of large-current discharge technologies |
| CN104253453A (en) * | 2013-06-27 | 2014-12-31 | 苏州中元动力科技有限公司 | Ternary lithium battery vehicle emergency starting power source |
| CN104638687A (en) * | 2013-11-07 | 2015-05-20 | 苏州中元动力科技有限公司 | Vehicle jump-starter |
| CN104638687B (en) * | 2013-11-07 | 2017-03-08 | 苏州新逸喆电子科技有限公司 | Car emergency startup power supply |
| CN105047497A (en) * | 2015-08-20 | 2015-11-11 | 武汉标迪电子科技有限公司 | Fuse for protecting cells of battery pack of electric car |
| CN105047498A (en) * | 2015-08-20 | 2015-11-11 | 武汉标迪电子科技有限公司 | Fuse for protecting aluminum-case cells of battery pack of electric car |
| CN107123969A (en) * | 2017-02-15 | 2017-09-01 | 杰华特微电子（杭州）有限公司 | Output protection circuit and method |
| CN107123969B (en) * | 2017-02-15 | 2019-11-29 | 杰华特微电子（杭州）有限公司 | Output protection circuit and method |
| CN109406981A (en) * | 2018-10-12 | 2019-03-01 | 山东阅芯电子科技有限公司 | The guard method of power device dynamic test |
| CN110783884A (en) * | 2019-10-17 | 2020-02-11 | 安徽省航嘉智源科技有限公司 | Short circuit self-recovery method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202172262U (en) | 2012-03-21 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |
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| WD01 | Invention patent application deemed withdrawn after publication |