CN201138761Y - Automobile emergency electrical source - Google Patents
Automobile emergency electrical source Download PDFInfo
- Publication number
- CN201138761Y CN201138761Y CNU2008200005058U CN200820000505U CN201138761Y CN 201138761 Y CN201138761 Y CN 201138761Y CN U2008200005058 U CNU2008200005058 U CN U2008200005058U CN 200820000505 U CN200820000505 U CN 200820000505U CN 201138761 Y CN201138761 Y CN 201138761Y
- Authority
- CN
- China
- Prior art keywords
- battery
- automobile
- transducer
- power supply
- emergency power
- Prior art date
- 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.)
- Expired - Lifetime
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides an automobile emergency power which comprises a DC or DC converter, a microcontroller and a battery. The microcontroller controls the DC or DC converter according to the temperature and the capacity of the battery; the DC or DC converter starts or stops according to a control signal which is output by the microcontroller; the battery transmits the power in the battery to the automobile battery in the way of a constant current through the DC or DC converter which is controlled by the microcontroller so as to control the battery to charge the battery of the automobile and to realize the starting of the automobile emergency. The automobile emergency power can be used very conveniently.
Description
Technical field
The utility model relates to the car emergency field of power supplies, particularly a kind of emergency power supply that is used for the automotive ignition startup.
Background technology
Along with the expansion of economic development and demand, the automobile popularization and application is in a plurality of fields such as communications and transportation, industrial and mineral production, daily lifes.In the automobile use, the phenomenon that the automobile batteries undertension causes automobile not start appears through regular meeting, bring inconvenience to the user.Existing technical scheme is to adopt rechargeable battery or storage battery as emergency power supply, when automobile can not start, insert the rechargeable battery or the accumulator anode and cathode of emergency power supply on the automobile power source respectively, emergency power supply as automobile starting, make the automobile can ignition trigger, but this kind rechargable battery or storage battery are as emergency power supply, if rechargeable battery self undertension, then can't in time provide electric energy, if the user is in advance with the rechargeable battery full charge, rechargeable battery does not use for a long time, electric energy in the rechargeable battery can discharge automatically by discharge, when needs use emergency power supply startup automobile, also just be difficult to use with the emergency power supply of rechargeable battery as automobile starting.When adopting storage battery or rechargeable battery to use simultaneously, need the user that this emergency power supply directly is connected with automobile power source usually, thereby provide electric energy, if when bad weather such as snowing, bring inconvenience to the user to automobile as emergency power supply.
The utility model content
The utility model provides a kind of car emergency power supply to provide the startup power supply by battery to automobile, this car emergency power supply comprises microcontroller and DC/DC transducer, microcontroller is according to the temperature and/or the voltage control DC/DC transducer work of battery or stop, the DC/DC transducer is used to adjust output voltage and electric current, DC/DC transducer by microprocessor controls is adjusted the voltage and current of battery, flows to automobile batteries.
Described battery is output as constant current.
Preferably, described battery is a dry cell.
Preferably, described DC/DC transducer is a voltage-dropping type DC/DC transducer.
Preferably, described microcontroller model is EM78P419.
The car emergency power supply that the utility model provides, battery is adjusted to the identical voltage of automobile batteries by the DC/DC transducer of microprocessor controls with cell voltage, flow to automobile batteries, in the constant current mode automobile batteries is charged, provide the startup electric energy to automobile, the utility model can conveniently use.
Description of drawings
Fig. 1 is the utility model embodiment schematic block circuit diagram.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
With reference to Fig. 1, a kind of car emergency power supply comprises battery 11, DC/DC transducer 12 and microcontroller 13, microcontroller 13 is according to the temperature of battery 11 and/or 12 work of voltage control DC/DC transducer or stop, DC/DC transducer 12 is used to adjust the output voltage and the electric current of battery 11, and battery 11 is by the DC/DC transducer 12 output constant currents of microcontroller 13 controls.Wherein 12 work of DC/DC transducer are meant that battery 11 begins to charge to automobile batteries 14 by DC/DC transducer 12, and DC/DC transducer 12 stops to be meant that DC/DC transducer 12 stops to automobile batteries 14 chargings.Voltage and current by 12 pairs of batteries 11 of DC/DC transducer of microcontroller 13 control is adjusted, and flows to automobile batteries 14, automobile batteries 14 is charged, thereby can start automobile.
DC/DC transducer 12 is selected voltage-dropping type DC/DC transducer for use, the voltage of battery 11 is adjusted to the voltage 12V of automobile batteries 14 correspondences, automobile batteries 14 is charged, and DC/DC transducer 12 is worked or is stopped, and is controlled according to battery 11 temperature and voltage by microprocessor 13.
It is the 8-bit microprocessor of EM7 8P419 that microcontroller 13 is selected model for use, and microcontroller 13 is according to battery 11 temperature and voltage, and the output control signal is worked to DC/DC transducer 12 or stopped to control.
Specifically, automobile batteries 14 is the general storage battery of automobile, and the utility model car emergency power supply is input on the automobile batteries 14 by the cigarette lighter socket on the automobile.Battery 11 in the car emergency power supply is selected 42 joints for use, and the battery pack of forming for the 1.5V dry cell is pressed in every economize on electricity.Supply is carried out the requirement that serial or parallel connection reaches output capacity.For example 42 joint 1.5V dry cells are divided into two groups, every group 21 joint 1.5V dry cell, after two group of 21 joint 1.5V dry cell connected respectively, in parallel again, according in parallel and series connection knowledge, then battery 11 output voltages were 31.5V.DC/DC transducer 12 is adjusted into 12V with the 31.5V voltage of battery 11 outputs, and wherein 12V voltage normally starts operating voltage 12V for automobile batteries 14 provides automobile.By the cigarette lighter socket on the automobile, the 12V voltage of DC/DC transducer 12 outputs is defeated by automobile batteries 14, automobile batteries 14 is charged, microprocessor 13 is according to the temperature and the voltage of battery 11, and control DC/DC transducer 12 is worked.
When automobile batteries 14 can not make automobile starting, the car emergency power supply is by automobile cigarette lighter socket input automobile batteries 14, DC/DC transducer 12 starts, the voltage of battery 11 outputs is changed by the DC/DC transducer 12 of microcontroller 13 controls, the voltage transitions of 31.5V is become 12V, and battery 11 is output as constant current simultaneously, and automobile batteries 14 is charged, thereby the electric energy of automobile batteries 14 is replenished, realize the car emergency ignition trigger.Microprocessor 13 is according to the temperature and the voltage of battery 11, and 12 work of control DC/DC transducer are controlled DC/DC transducer 12 and are used to adjust battery 11 output voltages and electric current.When the voltage that reaches 60 ± 5 ℃ or battery 11 when battery 11 temperature is lower than 14.5V, the DC/DC converter 12 of microcontroller 13 controls quits work, thereby the car emergency power supply quits work, and wherein battery 11 temperature accuracies and voltage can be provided with by microcontroller 13.
After automotive ignition started, the user can disconnect the cigarette lighter socket that is provided with on 12 outputs of DC/DC transducer and the automobile or battery 11 be disconnected, and the car emergency power supply quits work.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. a car emergency power supply provides the startup power supply by battery to automobile, it is characterized in that, described car emergency power supply comprises microcontroller and DC/DC transducer, microcontroller is according to the temperature and/or the voltage control DC/DC transducer work of battery or stop, DC/DC transducer by microprocessor controls is adjusted the voltage and/or the electric current of battery, flows to automobile batteries.
2. car emergency power supply according to claim 1 is characterized in that, described battery is a dry cell.
3. car emergency power supply according to claim 1 and 2 is characterized in that described battery is output as constant current.
4. car emergency power supply according to claim 1 is characterized in that, described microcontroller is EM78P419.
5. car emergency power supply according to claim 1 is characterized in that, described DC/DC transducer is a voltage-dropping type DC/DC transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200005058U CN201138761Y (en) | 2008-01-11 | 2008-01-11 | Automobile emergency electrical source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200005058U CN201138761Y (en) | 2008-01-11 | 2008-01-11 | Automobile emergency electrical source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138761Y true CN201138761Y (en) | 2008-10-22 |
Family
ID=40039441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200005058U Expired - Lifetime CN201138761Y (en) | 2008-01-11 | 2008-01-11 | Automobile emergency electrical source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138761Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201693A (en) * | 2011-06-07 | 2011-09-28 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system of electric vehicle |
| CN108448344A (en) * | 2018-02-28 | 2018-08-24 | 深圳市恒浩伟业科技有限公司 | Intelligence for connecting car emergency startup power supply and automobile storage battery takes firewire |
-
2008
- 2008-01-11 CN CNU2008200005058U patent/CN201138761Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201693A (en) * | 2011-06-07 | 2011-09-28 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system of electric vehicle |
| CN108448344A (en) * | 2018-02-28 | 2018-08-24 | 深圳市恒浩伟业科技有限公司 | Intelligence for connecting car emergency startup power supply and automobile storage battery takes firewire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081022 |
|
| CX01 | Expiry of patent term |