CN207166126U - EPS protector - Google Patents
EPS protector Download PDFInfo
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- CN207166126U CN207166126U CN201721234468.2U CN201721234468U CN207166126U CN 207166126 U CN207166126 U CN 207166126U CN 201721234468 U CN201721234468 U CN 201721234468U CN 207166126 U CN207166126 U CN 207166126U
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Abstract
The utility model discloses a kind of EPS protector, including controller and protector, wherein, controller includes power supply circuit, alarm and indicating circuit, microcontroller, mos tube drive circuits and amplifier circuit；Protector includes temperature sampling circuit and cmos switch circuit.This control system samples its electric current passed through by mos pipe internal resistances, and control mos pipes are opened or turned off, and so as to protect system in reversal connection, short circuit, overvoltage, excess temperature, making system, safety is not bad in extreme circumstances.
Description
Technical field
Car emergency apparatus for protecting power supply technical field is the utility model is related to, more particularly to a kind of EPS is protected
Protect device.
Background technology
Car emergency startup power supply be to drive trip love car personage and business people developed it is a multi-functional
Portable power source.Its featured function can start when being and can not start automobile for automobile power shortage or other reasonses
Automobile, while inflator pump is combined with functions such as emergency power supply, outdoor lightings, it is one of indispensable product of outdoor trip.
Car emergency startup power supply design concept is easy to operate, is convenient for carrying, while copes with various emergencies.At present on the market
Car emergency startup power supply be mainly two kinds, a kind of is plumbic acid emergency power supply class, and another kind is the current of lighium polymer class
Emergency power supply majority is that conventional lead acid battery controls emergency power supply to start car by one big switch.Emergency power supply is more at present
Number is that conventional lead acid battery controls emergency power supply to start car by one big switch.
Utility model content
(1) technical problems to be solved
The purpose of this utility model seeks to overcome disadvantages mentioned above, it is desirable to provide a kind of EPS protector.
(2) technical scheme
To reach above-mentioned purpose, EPS protector of the present utility model, including controller and protector,
Wherein, controller is put including power supply circuit, alarm and indicating circuit, microcontroller, mos tube drive circuits and sampling
Big circuit；
Wherein, power supply circuit includes three terminal regulator U1, three terminal regulator U1 input connection emergency power supply, output end
Powered for microcontroller and alarm and indicating circuit, meanwhile, output end is that amplifier circuit is used as reference voltage the most；
Alarm and indicating circuit include red LED 1, green LED 2, buzzer FF1 and switch triode N1；It is described red
Color LED1, the input of green LED 2 and three terminal regulator U1 output end are electrically connected with, and output end carries out electricity with microcontroller
Property connection；Switch triode N1 one end connection buzzer FF1 one end, switch triode N1 other ends ground connection, buzzer FF1 are defeated
Go out end connection emergency power supply, switch triode N1 base stage is controlled by microcontroller；
Mos tube drive circuits, including metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q6, triode Q4, triode Q5 and switching tube N2；Metal-oxide-semiconductor Q3
Source electrode connection emergency power supply, drain electrode be connected by diode D5 with a winding displacement, grid and triode Q4 colelctor electrodes electric connection,
Triode Q4 base stage is controlled by microcontroller；Metal-oxide-semiconductor Q6 source ground, drain electrode triode Q5 are electrically connected with, triode Q5
Base stage is controlled by triode Q4 colelctor electrodes；Switching tube N2 colelctor electrodes are connected with metal-oxide-semiconductor Q6 grid, and switching tube N2 base stages are controlled by
Microcontroller；
Amplifier circuit, including amplifier 1 and amplifier 2, the amplifier 1 signal sampling end connection clip-, the clip-
For connecting the negative pole of outside automobile storage battery, the output end of amplifier 1 connects the input of amplifier 2, the output end of amplifier 2 and metal-oxide-semiconductor Q6
Grid is electrically connected with；
Wherein, protector includes temperature sampling circuit and cmos switch circuit, the temperature sampling circuit output end connection
The input of cmos switch circuit, cmos switch circuit output end connection clip-.
Further, in addition to 24V storage battery protection modules, the module include the voltage-stabiliser tube Z1 and diode D2 of series connection, voltage stabilizing
Pipe Z1 is turned on, and the input of voltage-stabiliser tube Z1 positive poles and amplifier 2 is electrically connected with, voltage-stabiliser tube Z1 negative poles connect clip+, the clip+use
In the positive pole of the outside automobile storage battery of connection, when clip+voltage is not less than 24V, voltage-stabiliser tube Z1 conductings, the output end of amplifier 2 exports
High level.
Further, series voltage stabilizing pipe Z2 between the input and earth terminal of the amplifier 1, voltage-stabiliser tube Z2 conducting voltages are
5V, when there is automobile storage battery positive pole outside clip-reversal connection, its voltage is far above 5V, so as to which voltage-stabiliser tube Z2 produces 5V voltages, fortune
1 is put to the input high level of amplifier 2, so as to the output end of amplifier 2 output high level.
(3) beneficial effect
Compared with prior art, the technical solution of the utility model has advantages below：In this control system is managed by mos
Resistance samples its electric current passed through, and control mos pipes are opened or turned off, so as to protect system in reversal connection, short circuit, overvoltage, excess temperature,
Making system, safety is not bad in extreme circumstances.
Brief description of the drawings
Fig. 1 is controller, protector, automobile storage battery and the emergency power supply of EPS protector of the present utility model
Between annexation figure；
Fig. 2 is the electrical schematic diagram of the protector of EPS protector of the present utility model；
Fig. 3 is the electrical schematic diagram of the controller of EPS protector of the present utility model.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
As shown in Figure 1 to Figure 3, EPS protector of the present utility model, including controller and protector,
Wherein, controller is put including power supply circuit, alarm and indicating circuit, microcontroller, mos tube drive circuits and sampling
Big circuit；
Wherein, power supply circuit includes three terminal regulator U1, three terminal regulator U1 input connection emergency power supply (i.e. Fig. 3
In BATTERY), output end is microcontroller and alarm and indicating circuit power supply, meanwhile, output end be amplifier circuit most
For as reference voltage；
Alarm and indicating circuit include red LED 1, green LED 2, buzzer FF1 and switch triode N1；It is described red
Color LED1, the input of green LED 2 and three terminal regulator U1 output end are electrically connected with, and output end carries out electricity with microcontroller
Property connection；Switch triode N1 one end connection buzzer FF1 one end, switch triode N1 other ends ground connection, buzzer FF1 are defeated
Go out end connection emergency power supply, switch triode N1 base stage is controlled by microcontroller；
Mos tube drive circuits, including metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q6, triode Q4, triode Q5 and switching tube N2；Metal-oxide-semiconductor Q3
Source electrode connection emergency power supply, drain electrode be connected by diode D5 with a winding displacement, grid and triode Q4 colelctor electrodes electric connection,
Triode Q4 base stage is controlled by microcontroller；Metal-oxide-semiconductor Q6 source ground, drain electrode triode Q5 are electrically connected with, triode Q5
Base stage is controlled by triode Q4 colelctor electrodes；Switching tube N2 colelctor electrodes are connected with metal-oxide-semiconductor Q6 grid, and switching tube N2 base stages are controlled by
Microcontroller；
Amplifier circuit, including amplifier 1 and amplifier 2, the amplifier 1 signal sampling end connection clip-, the clip-
For connecting the negative pole of outside automobile storage battery, the output end of amplifier 1 connects the input of amplifier 2, the output end of amplifier 2 and metal-oxide-semiconductor Q6
Grid is electrically connected with；
Wherein, protector includes temperature sampling circuit and cmos switch circuit, the temperature sampling circuit output end connection
The input of cmos switch circuit, cmos switch circuit output end connection clip-.
Also include 24V storage battery protection modules, the module includes the voltage-stabiliser tube Z1 and diode D2 of series connection, and voltage-stabiliser tube Z1 is led
Logical, voltage-stabiliser tube Z1 positive poles and the input of amplifier 2 are electrically connected with, voltage-stabiliser tube Z1 negative poles connect clip+, the clip+be used to connect
The positive pole of outside automobile storage battery, when clip+voltage is not less than 24V, voltage-stabiliser tube Z1 conductings, the output end of amplifier 2 output high level.
Series voltage stabilizing pipe Z2 between the input and earth terminal of the amplifier 1, voltage-stabiliser tube Z2 conducting voltages are 5V, work as appearance
Outside clip-reversal connection during automobile storage battery positive pole, its voltage be far above 5V, and so as to voltage-stabiliser tube Z2 generation 5V voltages, amplifier 1 is to amplifier
2 input high levels, so as to the output end of amplifier 2 output high level.
It is as follows specific to the function of each module：
1st, power supply power pack：Such as figure/3, power input is directly connected to storage battery inside the system, passes through three sections of voltage stabilizings
Device U1lM7805 is depressured, and making voltage voltage stabilizing, for being powered to single-chip microcomputer, E1, E2, C1, C2 are filter capacitor to 5V.
Sampled signal part：When electric current passes through metal-oxide-semiconductor, due to metal-oxide-semiconductor internal resistance, so mos pipes both ends can be sampled
Pressure drop, sampled signal are sampled by resistance R4, and Z2 is that 5V voltage-stabiliser tubes make sampled voltage pass through an operation amplifier not over 5V
Device 1, circuit R9, R11, for the amplification resistance of amplifier, the signal after amplifying is connected to R12, and being connected to a computing by R12 puts
The anode sampling of big device 2, the negative terminal of operational amplifier 2 is a voltage reference, is compared by this benchmark, if the letter of sampling
Number be more than benchmark then R17 export a high level, if sampled signal be less than benchmark if export low level.
2nd, 24V storage batterys protection module：When clip is connected to 24V storage batterys, voltage passes through voltage-stabiliser tube Z1 and diode D2 to computing
The anode of amplifier 2, voltage is set to be higher than reference voltage rapidly, so that R17 exports a high level.
3rd, metal-oxide-semiconductor drive circuit：Such as Fig. 3, normal work is that P4 mouths single-chip microcomputer can export a high level, makes metal-oxide-semiconductor Q1,
Q2 is turned on, and the storage battery outside the system short circuit, reversal connection, when connecing storage battery outside 24V, R17 can export a high level rapidly, make Q6
Conducting, makes Q2MOS tube grid voltages drag down rapidly, closes Q2, disconnect so as to protect the system.
4th, temperature sampling circuit：Such as Fig. 2, thermistor Rt1 is then sent through single-chip microcomputer by sampling the temperature above metal-oxide-semiconductor,
Single-chip microcomputer judges whether temperature exceedes design temperature, and when temperature is too high, single-chip microcomputer exports a low level by P4 mouths and made, MOS
Pipe Q1, shut-off, protection circuit.
5th, alarm and indicating circuit：As Fig. 3 buzzers driven by two LED lamps and a triode indicate system work
Make state, led2 is bright when working properly, LED1 and the same alarm of buzzer when irregular working.
6th, switch of the ability of high current by it as emergency power supply can be led to CMOS tube, reversely gone here and there with two CMOS tubes
Connection, solve the problems, such as that backward dioded can damage when electric current reversely flows backwards inside CMOS tube.As shown in Fig. 2 Q2 source electrode
Drain electrode with Q1 is docked, and forms an on-off action.It is connected on the negative pole of emergency power supply.The pressure of two CMOS tubes can be convenient for measuring
Drop, so as to calculate the electric current by CMOS tube.When electric current exceedes the current value that we set, single-chip microcomputer closes output.
EPS protector of the present utility model, its electric current passed through is sampled by mos pipe internal resistances, controls mos
Pipe is opened or turned off, and so as to protecting system in reversal connection, short circuit, overvoltage, excess temperature, making system, safety is not in extreme circumstances
It is bad.It is safer in use, reliably.Present technology switch open in the case of operational error, reversal connection storage battery or by clip
Short circuit can lose battery, or even fire occurs.And the present invention can protect emergency power supply well, do not damaged because of user's improper use
Bad battery.
In summary, above-mentioned embodiment is not restricted embodiment of the present utility model, the technology of all this areas
The modification or equivalent deformation that personnel are carried out on the basis of substantive content of the present utility model, in skill of the present utility model
Art category.
Claims (3)
- A kind of 1. EPS protector, it is characterised in that：Including controller and protector,Wherein, controller includes power supply circuit, alarm and indicating circuit, microcontroller, mos tube drive circuits and amplifier electricity Road；Wherein, power supply circuit includes three terminal regulator U1, and three terminal regulator U1 input connection emergency power supply, output end is micro- Controller and alarm and indicating circuit power supply, meanwhile, output end is that amplifier circuit is used as reference voltage the most；Alarm and indicating circuit include red LED 1, green LED 2, buzzer FF1 and switch triode N1；The red LED1, the input of green LED 2 and three terminal regulator U1 output end are electrically connected with, and output end carries out electrical with microcontroller Connection；Switch triode N1 one end connection buzzer FF1 one end, switch triode N1 other ends ground connection, buzzer FF1 outputs End connection emergency power supply, switch triode N1 base stage are controlled by microcontroller；Mos tube drive circuits, including metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q6, triode Q4, triode Q5 and switching tube N2；Metal-oxide-semiconductor Q3 source Pole connects emergency power supply, and drain electrode is connected by diode D5 with a winding displacement, and grid is electrically connected with triode Q4 colelctor electrodes, three poles Pipe Q4 base stage is controlled by microcontroller；Metal-oxide-semiconductor Q6 source ground, drain electrode triode Q5 are electrically connected with, triode Q5 base stages It is controlled by triode Q4 colelctor electrodes；Switching tube N2 colelctor electrodes are connected with metal-oxide-semiconductor Q6 grid, and switching tube N2 base stages are controlled by micro-control Device processed；Amplifier circuit, including amplifier 1 and amplifier 2, the amplifier 1 signal sampling end connection clip-, the clip-be used for The negative pole of the outside automobile storage battery of connection, the output end of amplifier 1 connect the input of amplifier 2, the output end of amplifier 2 and metal-oxide-semiconductor Q6 grids It is electrically connected with；Wherein, protector includes temperature sampling circuit and cmos switch circuit, and the temperature sampling circuit output end connects CMOS The input of on-off circuit, cmos switch circuit output end connection clip-.
- 2. EPS protector as claimed in claim 1, it is characterised in that：Also include 24V storage battery protection modules, should Module includes the voltage-stabiliser tube Z1 and diode D2 of series connection, and voltage-stabiliser tube Z1 conductings, voltage-stabiliser tube Z1 positive poles and the input of amplifier 2 are electrical Connection, voltage-stabiliser tube Z1 negative poles connect clip+, the clip+be used to connect the positive pole of outside automobile storage battery, when clip+voltage is not small When 24V, voltage-stabiliser tube Z1 conductings, the output end of amplifier 2 output high level.
- 3. EPS protector as claimed in claim 2, it is characterised in that：The input of the amplifier 1 and ground connection Series voltage stabilizing pipe Z2 between end, voltage-stabiliser tube Z2 conducting voltage are 5V, when there is automobile storage battery positive pole outside clip-reversal connection, its Voltage is far above 5V, and so as to which voltage-stabiliser tube Z2 produces 5V voltages, amplifier 1 is to the input high level of amplifier 2, so as to which the output end of amplifier 2 is defeated Go out high level.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234468.2U CN207166126U (en) | 2017-09-25 | 2017-09-25 | EPS protector |
| AU2018100733A AU2018100733A4 (en) | 2017-09-25 | 2018-06-01 | Intelligent emergency power supply protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234468.2U CN207166126U (en) | 2017-09-25 | 2017-09-25 | EPS protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166126U true CN207166126U (en) | 2018-03-30 |
Family
ID=61723951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721234468.2U Active CN207166126U (en) | 2017-09-25 | 2017-09-25 | EPS protector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207166126U (en) |
| AU (1) | AU2018100733A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655148A (en) * | 2022-05-23 | 2022-06-24 | 海日升汽车电子科技(常州)有限公司 | Automobile intelligent starting module and starting method adopting same |
-
2017
- 2017-09-25 CN CN201721234468.2U patent/CN207166126U/en active Active
-
2018
- 2018-06-01 AU AU2018100733A patent/AU2018100733A4/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655148A (en) * | 2022-05-23 | 2022-06-24 | 海日升汽车电子科技(常州)有限公司 | Automobile intelligent starting module and starting method adopting same |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2018100733A4 (en) | 2018-07-05 |
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| GR01 | Patent grant |