CN104979855A - Jump-starter used for diesel oil engine - Google Patents
Jump-starter used for diesel oil engine Download PDFInfo
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- CN104979855A CN104979855A CN201410135566.5A CN201410135566A CN104979855A CN 104979855 A CN104979855 A CN 104979855A CN 201410135566 A CN201410135566 A CN 201410135566A CN 104979855 A CN104979855 A CN 104979855A
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- load end
- power supply
- battery module
- relay
- car emergency
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Abstract
A jump-starter used for a diesel oil engine disclosed by the present invention comprises a battery packet module used for outputting a DC externally and comprising seven lithium battery packet which are connected in series mutually, and each lithium battery packet comprises one or a plurality of ternary lithium batteries which are connected in parallel mutually; a load end which is in series connection with the battery packet module and is used to receive the voltage of the battery packet module and output externally; a relay in series connection between the battery packet module and the load end; a current bypass protection device arranged between the battery packet module and the load end; and a control device used for controlling the relay and the current bypass protection device. By implementing the technical scheme of the present invention, the technical problem in the prior art that the jump-starter used for the diesel oil engine can not be manufactured by the ternary lithium batteries can be solved, the reverse charging, the overcurrent discharging and battery overheating of the ternary lithium batteries can be prevented, and the system safety is guaranteed.
Description
Technical field
The present invention relates to a kind of electrical installation be applied in automotive field, particularly a kind of car emergency used for diesel engine starts power supply.
Background technology
Car emergency starts power supply for automobile starting under extreme conditions, such as cold-starting.There is provided big current at short notice, thus start automobile.Under extreme conditions, locked rotor current can reach more than 1500A instantaneously, belongs to typical short time heavy-current discharge situation.
Market get on the car emergency starting power supply (Jump-starter) product for many years overwhelming majority's lead-acid battery manufacture.Lead-acid battery may cause serious environmental pollution in manufacture, use, removal process; And the non-common equipment that emergency starting power supply uses under belonging to low temperature environment, standby time is long.Facial pallor in lead-acid battery is easily oxidized, and causes battery normally to work.The car emergency that in prior art, useful large multiplying power ferric phosphate lithium cell manufactures starts power supply, but large multiplying power ferric phosphate lithium cell price is too high, and market acceptance level is low.
Ternary lithium battery and lead-acid battery price are more or less the same, and cost belong to easily by scope that market accepts.But do not adopt ternary lithium battery to make emergency starting power supply in prior art.Generally speaking, heavy truck, offroad vehicle etc. adopt Diesel engine.And the standard of the starting resistor of Diesel engine is 24V.After 24V automobile starting, electrical power generators voltage is less than or equal to 14.4V+14.4V*5%=30.2V.Single-unit large multiplying power ternary lithium battery nominal voltage is 3.6V, and the voltage after being full of is 4.2V, and seven string ternary lithium battery group charging voltages must be less than or equal to 4.2V × 7=29.4V.Seven string ternary lithium battery group Long-Time Service seven crosstalk ponds are bound to unbalanced, and a certain batteries voltage can be higher than other batteries voltage.30.2V charging voltage seriously gives this batteries overvoltage charging, causes battery overheated, even causes burning.
Overcome above-mentioned technical problem, the technical goal realizing adopting ternary lithium battery to make car emergency used for diesel engine starts power supply, belong to these those skilled in the art and be expected to solve always but fail the technical barrier that succeeds all the time.
Summary of the invention
In order to solve the problems of the technologies described above, disclose a kind of car emergency used for diesel engine in the present invention and start power supply, it can be made by ternary lithium battery.
Technical scheme in the present invention is specifically:
Car emergency used for diesel engine starts a power supply, and it is characterized in that, it comprises:
Battery module, it is for outwards exporting direct current, and described battery module comprises seven lithium battery groups of mutually connecting, and each lithium battery group comprises one or more ternary lithium battery parallel with one another;
Load end, it is connected in series mutually with described battery module, and described load end is for receiving the voltage of described battery module and outwards exporting;
Relay, it is serially connected between described battery module and described load end;
Current bypass protective device, it is arranged between described battery module and described load end;
Control device, for controlling relay and current bypass protective device.
Preferably, when voltage higher than described battery module of the voltage of described load end, described control device turns off described relay.
Preferably, described relay is electromagnetic relay.
Preferably, described control device comprises single-chip microcomputer, and the first output of described single-chip microcomputer is electrically connected mutually with a constant-current source, and described constant-current source is electrically connected mutually with described relay.
Preferably, described car emergency starts power supply and also comprises checkout gear, and described checkout gear comprises the first feedback unit be connected between described constant-current source and described single-chip microcomputer, is connected to the second feedback unit between described load end and described single-chip microcomputer.
Preferably, between described second feedback unit and described single-chip microcomputer, also chromacoder is provided with.
Preferably, between described battery module and described load end, also short-circuit protection is serially connected with.
Implement technical scheme of the present invention can solve in prior art and cannot make with ternary lithium battery the technical problem that car emergency used for diesel engine starts power supply; Implement technical scheme of the present invention, can realize preventing the reverse charging of ternary lithium battery, overcurrent electric discharge and battery overheated, guarantee system safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only a kind of embodiment of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that car emergency used for diesel engine in the present invention starts power supply.
In accompanying drawing: 1, battery module; 11, lithium battery group; 12, ternary lithium battery: 2, load end; 3, relay; 41, the second feedback unit; 42, the first feedback unit; 5, control device; 51, single-chip microcomputer; 511, the first output; 512; Second output; 52, constant-current source; 53, chromacoder; 6, short-circuit protection; 7, current bypass protective device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of car emergency used for diesel engine and start power supply, it comprises battery module 1, load end 2, open circuit protection module, control device 5.
Battery module 1 is for outwards exporting direct current.According to car gage agreement, battery module 1 can output voltage be outwards the direct current of 24V.Concrete, with reference to shown in Fig. 1, battery module 1 can comprise seven lithium battery groups 11 of mutually connecting, and each lithium battery group 11 comprises one or more ternary lithium battery 12 parallel with one another.Load end 2 is connected in series mutually with battery module 1.Load end 2 is for receiving the voltage of described battery module 1 and outwards exporting.In the present embodiment, load end 2 can be connected with storage battery, motor etc. to start automobile.Relay 3 is serially connected between described battery module 1 and described load end 2.Control device 5 is for controlling relay 3, and control device 5 can order about relay 3 adhesive or disconnect making car emergency start power supply opening or disconnection.
When described car emergency starts power initiation, described control device 5 orders about relay connection and namely makes automobile starting power turn-on.When voltage higher than described battery module 1 of the voltage of described load end 2, described control device 5 orders about relay 3 and disconnects.
Described control device 5 comprises single-chip microcomputer 51, and the first output 511 of described single-chip microcomputer 51 is electrically connected mutually with a constant-current source 52, and described constant-current source 52 is electrically connected mutually with described relay 3.Namely control device 5 by controlling constant-current source 52, can pass through the control of opening and closing realization to relay 3 to constant-current source 52.Car emergency starts power supply can also comprise checkout gear, and described checkout gear comprises the first feedback unit 42.First feedback unit 42 is connected between constant-current source 52 and described single-chip microcomputer 51, for monitoring the first open circuit protection module.Second feedback unit 41 is connected between described load end 2 and described single-chip microcomputer 51, for monitoring the voltage of load end 2.Between described second feedback unit 41 and described single-chip microcomputer 51, be also provided with chromacoder 53, the magnitude of voltage for being fed back by the second feedback unit 41 converts the signal that single-chip microcomputer 51 can identify to.
Further, between described battery module 1 and described load end 2, short-circuit protection 6 is also serially connected with.Short-circuit protection 6 can play the effect of short-circuit protection.
Further, described car emergency starts power supply and also comprises and to be arranged between described battery module 1 with described load end 2 and the current bypass protective device 7 be electrically connected mutually with described control device 5.Current bypass protective device 7 can comprise controlled device 5 and control and the brilliant lock triode be electrically connected mutually with the second output 512 of control device 5 and multiple resistance in parallel.To lose efficacy short circuit once relay 3, the electric current that current bypass protective device 7 will consume most of automobile current generator and sends, can reduce automobile current generator to the battery module 1 oppositely security risk brought of overcharge, effectively improve safe handling probability.
It is pointed out that and the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. car emergency used for diesel engine starts a power supply, and it is characterized in that, it comprises:
Battery module, it is for outwards exporting direct current, and described battery module comprises seven lithium battery groups of mutually connecting, and each lithium battery group comprises one or more ternary lithium battery parallel with one another;
Load end, it is connected in series mutually with described battery module, and described load end is for receiving the voltage of described battery module and outwards exporting;
Relay, it is serially connected between described battery module and described load end;
Current bypass protective device, it is arranged between described battery module and described load end;
Control device, for controlling relay and current bypass protective device.
2. car emergency according to claim 1 starts power supply, it is characterized in that:
When voltage higher than described battery module of the voltage of described load end, described control device turns off described relay.
3. car emergency according to claim 1 and 2 starts power supply, it is characterized in that: described relay is electromagnetic relay.
4. car emergency according to claim 1 starts power supply, it is characterized in that:
Described control device comprises single-chip microcomputer, and the first output of described single-chip microcomputer is electrically connected mutually with a constant-current source, and described constant-current source is electrically connected mutually with described relay.
5. car emergency according to claim 4 starts power supply, it is characterized in that: described car emergency starts power supply and also comprises checkout gear, described checkout gear comprises the first feedback unit be connected between described constant-current source and described single-chip microcomputer, is connected to the second feedback unit between described load end and described single-chip microcomputer.
6. car emergency according to claim 5 starts power supply, it is characterized in that: between described second feedback unit and described single-chip microcomputer, be also provided with chromacoder.
7. car emergency according to claim 1 starts power supply, it is characterized in that: between described battery module and described load end, be also serially connected with short-circuit protection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410135566.5A CN104979855A (en) | 2014-04-04 | 2014-04-04 | Jump-starter used for diesel oil engine |
| PCT/CN2014/094164 WO2015149542A1 (en) | 2014-04-04 | 2014-12-18 | Automobile emergency starting power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410135566.5A CN104979855A (en) | 2014-04-04 | 2014-04-04 | Jump-starter used for diesel oil engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104979855A true CN104979855A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410135566.5A Pending CN104979855A (en) | 2014-04-04 | 2014-04-04 | Jump-starter used for diesel oil engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655330A (en) * | 2016-10-27 | 2017-05-10 | 江苏科技大学 | Emergency power supply anti-short-circuit protection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090202889A1 (en) * | 2005-05-10 | 2009-08-13 | Panasonic Corporation | Protection Circuit And Battery Pack |
| 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 |
| CN203883507U (en) * | 2014-04-04 | 2014-10-15 | 苏州中元动力科技有限公司 | Automobile emergency starting power supply for diesel engine |
-
2014
- 2014-04-04 CN CN201410135566.5A patent/CN104979855A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090202889A1 (en) * | 2005-05-10 | 2009-08-13 | Panasonic Corporation | Protection Circuit And Battery Pack |
| 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 |
| CN203883507U (en) * | 2014-04-04 | 2014-10-15 | 苏州中元动力科技有限公司 | Automobile emergency starting power supply for diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655330A (en) * | 2016-10-27 | 2017-05-10 | 江苏科技大学 | Emergency power supply anti-short-circuit protection system |
| CN106655330B (en) * | 2016-10-27 | 2019-01-04 | 江苏科技大学 | A kind of anti-short circuit protection system of emergency power supply |
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