CN204354966U - Electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power - Google Patents
Electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power Download PDFInfo
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- CN204354966U CN204354966U CN201420689140.XU CN201420689140U CN204354966U CN 204354966 U CN204354966 U CN 204354966U CN 201420689140 U CN201420689140 U CN 201420689140U CN 204354966 U CN204354966 U CN 204354966U
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Abstract
The utility model provides a kind of electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power, electronic switch comprises field effect transistor module, this module comprises at least one field effect transistor, field effect transistor module receives the power supply that emergency source of electrical power provides, wherein, electronic switch is also provided with microcontroller and voltage and current detection circuit, voltage and current detection circuit is electrically connected between microcontroller and field effect transistor module, and the voltage signal of checkout area effect tube module and current signal, export the voltage signal of detection and current signal to microcontroller; Microcontroller exports control signal according to received voltage signal and current signal to field effect transistor driving circuit, field effect transistor driving circuit according to control signal to field effect transistor module output drive signal with the break-make of controlling field effect tube module.The utility model can detect voltage and the current conditions of emergency source of electrical power battery pack and automobile batteries group, and occur abnormal condition time the automatic cutting-off of short-circuit, avoid the damage of battery pack.
Description
Technical field
The utility model relates to electric power supply field, specifically, relate to a kind of emergency source of electrical power and with emergency source of electrical power matching used emergency source of electrical power ignition wire adaptor union, electronic switch.
Background technology
Need the power supply igniting using the battery pack of automobile self to provide with start the engine during automobile starting, therefore the battery pack power consumption once automobile self arrives to a certain degree and causes battery pack output voltage lower, the battery pack of automobile just can not provide enough voltage to realize igniting, causes automobile to start.Usually, if when the voltage of automobile batteries group is lower, battery pack can be changed normally to start automobile, but in real life, when battery voltage is lower, chaufeur may not find the battery pack that can change in time, therefore, people have emergency standby power usually on automobile, start automobile for lighting a fire temporarily.
Emergency standby power is a kind of portable power supply, comprise the battery pack of small volume, when using emergency standby power, need to use the ignition wire adaptor union with battery clamp to connect backup power and automobile batteries group, and on the positive pole using battery clamp to be clamped in automobile batteries group and negative pole, powered to automobile batteries group by the battery pack of emergency standby power.Battery pack due to automobile comprises positive pole and negative pole, therefore use two battery clamps are needed to be clamped on positive pole and negative pole respectively, in order to distinguish the battery clamp being clamped in anode and negative pole, two battery clamps are wrapped with the insulating gel of different colours, the battery clamp wrapping up red insulating gel is clamped in the positive pole of automobile batteries group, and the battery clamp of parcel black insulating gel is clamped in the negative pole of automobile batteries group.
But, when people use emergency standby power, often there is following problem:
First, major part automobile driver is stranger to vehicle structure, electrical equipment all in daily life does not all have both positive and negative polarity to distinguish when using, these problems can be ignored when chaufeur starts automobile, once emergency standby power follows the both positive and negative polarity of automobile batteries group to connect instead, a large amount of spark of will emerging within 1 second, circuit catches fire, battery pack bulging within 2 seconds, smolders and even explodes.
Secondly, if the battery pack of emergency standby power starts automobile under allowing minimum operating voltage lower than this battery pack, can cause and be worth expensive battery pack permanent damage.
Again, automobile battery pack used has the multiple voltage types such as 12 volts, 24 volts or 48 volts, emergency standby power on market also divides multiple voltage specification, if chaufeur uses unmatched backup power to be connected in automobile batteries group, as the automobile batteries group by the emergency source of electrical power deactivation 12 volts of 24 volts, will the electric meter system of badly damaged automobile.
Moreover the battery capacity of emergency standby power is not of uniform size, if the automobile of the battery pack deactivation huge discharge with low capacity, can because battery pack outgoing current far exceeds rated current and causes the battery permanent damage of this value costliness.
Finally, emergency standby power is after the success of startup automobile, and vehicle-mounted electrical generator will generate electricity immediately and charge to emergency standby power battery pack, and now, charging current is very big, if out-of-control words, as long as a few minutes, battery pack will be caused to generate heat and damage.
Therefore, need to protect the battery pack of emergency standby power and automobile, avoid the damage to emergency standby power and automobile batteries group, also avoid the infringement to the personal safety of chaufeur because driver's operation is improper.
Summary of the invention
Main purpose of the present utility model is to provide the electronic switch of a kind of available protecting emergency standby power and automobile batteries group.
Another object of the present utility model is to provide a kind of emergency source of electrical power ignition wire adaptor union with defencive function.
An object more of the present utility model is to provide the emergency source of electrical power of a kind of reduction to the battery damage of automobile.
In order to realize above-mentioned main purpose, the electronic switch that the utility model provides has field effect transistor module, this module comprises at least one field effect transistor, field effect transistor module receives the power supply that emergency source of electrical power provides, wherein, electronic switch is also provided with microcontroller and voltage and current detection circuit, voltage and current detection circuit is electrically connected between microcontroller and field effect transistor module, and the voltage signal of checkout area effect tube module and current signal, export the voltage signal of detection and current signal to microcontroller; Microcontroller exports control signal according to received voltage signal and current signal to field effect transistor driving circuit, field effect transistor driving circuit according to control signal to field effect transistor module output drive signal with the break-make of controlling field effect tube module.
From such scheme, the field effect transistor module of electronic switch receives the power supply that emergency source of electrical power provides, and detect voltage signal and the current signal of this power supply, microcontroller can judge whether to there is the situations such as charging valtage is too high or too low, charging current is too high or too low according to voltage signal and current signal, once there is voltage or the inappropriate situation of electric current, each field effect transistor of field effect transistor module can be cut off, avoid emergency source of electrical power to continue to power to automobile batteries group, thus avoid the damage of emergency source of electrical power and automobile batteries group.
A preferred scheme is that microcontroller is electrically connected with warning circuit, and to warning circuit output signal to control the work of warning circuit.
Further scheme is, warning circuit comprises LED light and/or buzzer phone, and the quantity of LED light is more than two.
As can be seen here, microcontroller is once controlling field effect tube module disconnects, and voltage or the electric current of expression field effect transistor module are too high or too low, send alerting signal at random, change backup power or reversal connection battery clamp to point out chaufeur by warning circuit.
For realizing another above-mentioned object, the emergency source of electrical power ignition wire adaptor union that the utility model provides comprises battery clamp and electric connection terminal, wherein, electronic switch is provided with between battery clamp and electric connection terminal, electronic switch has the field effect transistor module receiving the power supply that emergency source of electrical power provides, and field effect transistor module comprises at least one field effect transistor; Electronic switch is also provided with microcontroller and voltage and current detection circuit, voltage and current detection circuit is electrically connected between microcontroller and field effect transistor module, and the voltage signal of checkout area effect tube module and current signal, export the voltage signal of detection and current signal to microcontroller; Microcontroller exports control signal according to received voltage signal and current signal to field effect transistor driving circuit, field effect transistor driving circuit according to control signal to field effect transistor module output drive signal with the break-make of controlling field effect tube module.
From such scheme, in emergency source of electrical power ignition wire adaptor union, electronic switch is set, and pass through the break-make of microprocessor control field effect transistor module, once generation charging valtage or the abnormal condition such as electric current is too high or too low, can disconnect by controlling field effect tube module, avoid continuing to the charging of automobile batteries group to avoid something unexpected happened.
A preferred scheme is, the quantity of battery clamp is one, and battery clamp is negative electricity bottle clip.Like this, electronic switch is arranged between negative electricity bottle clip and the negative pole of emergency source of electrical power, the volume of ignition wire adaptor union can be reduced.
For realizing an above-mentioned object again, the emergency source of electrical power that the utility model provides comprises battery pack and electric connection terminal, wherein, electronic switch is provided with between battery pack and electric connection terminal, electronic switch has the field effect transistor module receiving the power supply that battery pack provides, and field effect transistor module comprises at least one field effect transistor; Electronic switch is also provided with microcontroller and voltage and current detection circuit, voltage and current detection circuit is electrically connected between microcontroller and field effect transistor module, and the voltage signal of checkout area effect tube module and current signal, export the voltage signal of detection and current signal to microcontroller; Microcontroller exports control signal according to received voltage signal and current signal to field effect transistor driving circuit, field effect transistor driving circuit according to control signal to field effect transistor module output drive signal with the break-make of controlling field effect tube module.
Visible, in emergency source of electrical power, electronic switch is set, the break-make of each field effect transistor of microprocessor control field effect transistor module of applying electronic switch, there are abnormal condition once the voltage of field effect transistor or electric current, microcontroller can cut off field effect transistor, avoids emergency source of electrical power and automobile batteries group to damage.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of the utility model emergency source of electrical power ignition wire adaptor union first embodiment.
Fig. 2 is the constructional drawing of the utility model emergency source of electrical power ignition wire adaptor union first embodiment and emergency source of electrical power.
Fig. 3 is the electric functional block diagram that the utility model emergency source of electrical power ignition wire adaptor union first embodiment is connected with emergency source of electrical power.
Fig. 4 is the electrical schematic diagram of electronic switch in the utility model emergency source of electrical power ignition wire adaptor union first embodiment.
Fig. 5 is the constructional drawing of the utility model emergency source of electrical power ignition wire adaptor union second embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Emergency source of electrical power ignition wire adaptor union of the present utility model is for connecting the battery pack of emergency source of electrical power and automobile, when emergency source of electrical power charges to automobile batteries group, judge whether abnormal condition occur by detection charging valtage and charging current, field effect transistor is disconnected when there are abnormal condition, avoid continuing to power to automobile batteries group, avoid something unexpected happened.
Emergency source of electrical power ignition wire adaptor union first embodiment:
See Fig. 1, the emergency source of electrical power ignition wire adaptor union of the present embodiment has splicing ear 10, splicing ear 10 comprises two terminals, is the second terminal 12 of the first terminal 11 of the battery electrode connecting emergency source of electrical power and the battery anode of connection emergency source of electrical power respectively.Splicing ear 10 is connected to the first battery clamp 14, second battery clamp 16 respectively by the first connection lead 13, second connection lead 15, wherein the first battery clamp 14 is negative electricity bottle clip, for being clamped in the negative pole of automobile batteries group, second battery clamp 16 is positive pole battery clamp, for being clamped in the positive pole of automobile batteries group.
Between splicing ear 10 and the first battery clamp 14, be connected with electronic switch 20, electronic switch 20 is encapsulated in a housing, and electronic switch 20 is connected to splicing ear 10 and the first battery clamp 14 respectively by the first connection lead 13.
See Fig. 2, when applied power source ignition wire adaptor union is connected to emergency source of electrical power 18, splicing ear 10 is inserted on the port of emergency source of electrical power 18, and the first battery clamp 14, second battery clamp 16 is clamped in negative pole and the positive pole of automobile batteries group respectively, by battery-powered to automobile of emergency source of electrical power.
See Fig. 3, microcontroller 21 and field effect transistor module 22 is provided with in electronic switch 20, and be provided with voltage and current detection circuit 23 and LED light, buzzer phone, field effect transistor module 22 comprises one or more field effect transistor, and between the field effect transistor battery pack 19 that is connected to emergency source of electrical power 18 and the first battery clamp 14, the break-make of each field effect transistor in microcontroller 21 controlling field effect tube module 22, controls battery pack 19 thus and powers to the first battery clamp 14.
Voltage and current detection circuit 23 is for the current signal that detects battery pack 19 and power to field effect transistor module 22 and voltage signal, and export the voltage signal of detection and current signal to microcontroller 21, microcontroller 21 according to the signal received judge the electric current that battery pack 19 exports and voltage whether too high or too low, when there are abnormal condition in electric current or voltage, each field effect transistor to field effect transistor module 22 exports control signal, field effect transistor is ended, and avoids battery pack 19 to continue through battery-powered to automobile of the first battery clamp 14.
See Fig. 4, the field effect transistor module 22 of the present embodiment comprises four field effect transistor Q1, Q2, Q3, Q4, and microcontroller 21 drives the work of four field effect transistor Q1, Q2, Q3, Q4 by field effect transistor driving circuit.Field effect transistor driving circuit comprises field effect transistor Q5, Q7 and resistance R8, R10, R16, and microcontroller 21 controls the break-make of four field effect transistor Q1, Q2, Q3, Q4 by the break-make controlling field effect transistor Q7.
Certainly, in field effect transistor module 22, the number of field effect transistor can be arranged according to emergency source of electrical power outgoing current size, in the present embodiment, arranges four field effect transistor in field effect transistor module 22, can meet the use of the emergency source of electrical power exporting big current.Preferably, four field effect transistor Q1, Q2, Q3, Q4 are high-performance field effect transistor.The electric current exported as emergency source of electrical power is less, and field effect transistor module 22 can only arrange one or two field effect transistor, or uses low power field effect transistor.
Also mu balanced circuit is provided with in electronic switch 20, mu balanced circuit comprises a voltage stabilizer U2, and being provided with electric capacity C1, C3, C4, C6 etc., the voltage that emergency source of electrical power provides exports microcontroller 21 to after voltage stabilizing, provides stable direct current working volts thus to microcontroller 21.
Voltage and current detection circuit 23 is made up of resistance R5 and R11, and resistance R5 is connected between the pin one 0 of field effect transistor module 22 and microcontroller 21, and resistance R11 is connected between the pin 7 of field effect transistor module 22 and microcontroller 21.The voltage signal of voltage and current detection circuit 23 checkout area effect tube module 22 and current signal, and export the voltage signal of detection and current signal to microcontroller 21.
Electronic switch 20 is also provided with warning circuit, and warning circuit is connected with microcontroller 21, and controls work by microcontroller 21.In the present embodiment, warning circuit comprises LED light and buzzer phone, LED light comprises red LED indicator lamp D1 and green LED indicator lamp D2, red LED indicator lamp D1 and green LED indicator lamp D2 is connected to pin 4 and the pin two of microcontroller 21 respectively, and break-make under the control signal that microcontroller 21 exports, thus realize luminous or extinguish.Certainly, the quantity of LED light can be set to one, also can be arranged to more than three.
Buzzer phone BEE is connected to the pin 5 of microcontroller 21 by field effect transistor Q9 and resistance R18, and sends alarm sound under the control of microcontroller 21.
When using emergency source of electrical power ignition wire adaptor union, splicing ear 10 is received on emergency source of electrical power 18, and the first battery clamp 14, second battery clamp 16 is clamped in the battery pack of automobile, battery-powered to automobile of the battery pack 19 of emergency source of electrical power 18.Now, microcontroller 21 passes through voltage signal and the current signal of voltage and current detection circuit 23 checkout area effect tube module 22, microcontroller 21 judge the voltage signal of field effect transistor module 22 or current signal too high time, represent and occur that the both positive and negative polarity of battery clamp connects the situation that anti-or the first battery clamp 14, second battery clamp 16 touches short circuit and occurs, microcontroller 21 controlling field effect tube module 22 each field effect transistor cut-off, within 0.001 second moment automatic shutdown circuit.Further, microcontroller 21 controls red LED indicator lamp D1 and buzzer phone work, thus sends sound and light alarm signal.
In addition, by according to the voltage signal detected and current signal, microcontroller 21 also judges that whether battery pack 19 voltage of emergency source of electrical power 18 is too low or too high, and as the voltage below level of battery pack 19 or too high, microcontroller 21 also can automatic shutdown circuit instantaneously.Further, microcontroller 21 controls red LED indicator lamp D1 and buzzer phone work, thus sends sound and light alarm signal.
Further, whether battery pack 19 outgoing current that microcontroller 21 also detects emergency source of electrical power 18 is too high, once find that the electric current that battery pack 19 exports is too high, microcontroller 21 also can automatic shutdown circuit.Further, microcontroller 21 controls red LED indicator lamp D1 and buzzer phone work, thus sends sound and light alarm signal.
In addition, microcontroller 21 can also detect the change of voltage of the battery pack of automobile before and after automotive ignition automatically, when find igniting after battery pack voltage higher than igniting before voltage, by automatic shutdown circuit, microcontroller 21 controls red LED indicator lamp D1 and buzzer phone work, thus sends sound and light alarm signal.
Visible, the emergency source of electrical power ignition wire adaptor union of application the present embodiment can the battery pack of available protecting automobile and emergency source of electrical power, avoids the damage of automobile batteries group and emergency source of electrical power.
Emergency source of electrical power ignition wire adaptor union second embodiment:
See Fig. 5, the emergency source of electrical power ignition wire adaptor union of the present embodiment has splicing ear 30, splicing ear 30 comprises the first terminal 31 of the negative pole being connected to emergency source of electrical power and is connected to the second terminal 32 of emergency source of electrical power positive pole, splicing ear 30 is also connected to negative electricity bottle clip 34 and positive pole battery clamp 36 by the first connection lead 33, second connection lead 35, wherein negative electricity bottle clip 34 is for being clamped in the battery electrode of automobile, and positive pole battery clamp 36 is for being clamped in the positive pole of automobile batteries group.
Electronic switch 40 is connected with between splicing ear 30 and negative electricity bottle clip 34, positive pole battery clamp 36, with the first embodiment unlike, the electronic switch 40 of the present embodiment is connected to negative electricity bottle clip 34, positive pole battery clamp 36 respectively by the first connection lead 33, second connection lead 35, and namely electronic switch 40 is all electrically connected with positive pole battery clamp 36, negative electricity bottle clip 34.
The electric functional block diagram of the electronic switch 40 of the present embodiment is identical with the electronic switch of circuit diagram and the first embodiment, and principle of work is also identical, repeats no more.
Use the emergency source of electrical power ignition wire adaptor union of the present embodiment also can available protecting automobile batteries group and emergency source of electrical power, avoid the damage of battery pack.
Emergency source of electrical power embodiment:
Battery pack and the splicing ear for outside out-put supply is provided with in the emergency source of electrical power of the present embodiment, electronic switch is provided with between battery pack and splicing ear, the circuit structure of electronic switch and principle of work identical with the electronic switch of the first embodiment, and the power supply that the battery pack that electronic switch receives emergency source of electrical power provides, and voltage signal or the current signal of automobile negative pole is received by splicing ear, and judge whether to occur that the battery pack of emergency source of electrical power and automobile batteries group connect instead according to the voltage signal of field effect transistor module or current signal, the situations such as short circuit, and cut off circuit when there are abnormal condition, send sound and light alarm signal simultaneously.
Certainly, above-described embodiment is only the preferred embodiment of the utility model, also can have more change during practical application, and such as, LED light is set to one, indicates normal work or abnormal condition occur by the flicker frequency difference of luminescence; Or only arrange LED light or buzzer phone, such change can't affect enforcement of the present utility model.
Finally it is emphasized that the utility model is not limited to above-mentioned embodiment, as use the change of microcontroller type, in field effect transistor module the change such as change of field effect transistor quantity also should be included in the protection domain of the utility model claim.
Claims (10)
1. electronic switch, comprises
Field effect transistor module, comprises at least one field effect transistor, and described field effect transistor module receives the power supply that emergency source of electrical power provides;
It is characterized in that:
Described electronic switch is also provided with microcontroller and voltage and current detection circuit, described voltage and current detection circuit is electrically connected between described microcontroller and described field effect transistor module, and detect voltage signal and the current signal of described field effect transistor module, export the described voltage signal detected and described current signal to described microcontroller;
Described microcontroller exports control signal according to received described voltage signal and described current signal to field effect transistor driving circuit, described field effect transistor driving circuit according to described control signal to described field effect transistor module output drive signal to control the break-make of described field effect transistor module.
2. electronic switch according to claim 1, is characterized in that:
Described microcontroller is electrically connected with warning circuit, and to described warning circuit output signal to control the work of described warning circuit.
3. electronic switch according to claim 2, is characterized in that:
Described warning circuit comprises LED light and/or buzzer phone.
4. electronic switch according to claim 3, is characterized in that:
The quantity of described LED light is more than two.
5. emergency source of electrical power ignition wire adaptor union, comprises
Battery clamp and electric connection terminal;
It is characterized in that:
Be provided with electronic switch between described battery clamp and described electric connection terminal, described electronic switch has the field effect transistor module receiving the power supply that emergency source of electrical power provides, and described field effect transistor module comprises at least one field effect transistor;
Described electronic switch is also provided with microcontroller and voltage and current detection circuit, described voltage and current detection circuit is electrically connected between described microcontroller and described field effect transistor module, and detect voltage signal and the current signal of described field effect transistor module, export the described voltage signal detected and described current signal to described microcontroller;
Described microcontroller exports control signal according to received described voltage signal and described current signal to field effect transistor driving circuit, described field effect transistor driving circuit according to described control signal to described field effect transistor module output drive signal to control the break-make of described field effect transistor module.
6. emergency source of electrical power ignition wire adaptor union according to claim 5, is characterized in that:
The quantity of described battery clamp is one, and described battery clamp is negative electricity bottle clip.
7. emergency source of electrical power ignition wire adaptor union according to claim 5, is characterized in that:
The quantity of described battery clamp is two, and two described battery clamps are respectively negative electricity bottle clip and positive pole battery clamp.
8. the emergency source of electrical power ignition wire adaptor union according to any one of claim 5 to 7, is characterized in that:
Described microcontroller is electrically connected with warning circuit, and to described warning circuit output signal to control the work of described warning circuit.
9. emergency source of electrical power ignition wire adaptor union according to claim 8, is characterized in that:
Described warning circuit comprises LED light and/or buzzer phone.
10. emergency source of electrical power, comprises
Battery pack and electric connection terminal;
It is characterized in that:
Be provided with electronic switch between described battery pack and described electric connection terminal, described electronic switch has the field effect transistor module receiving the power supply that described battery pack provides, and described field effect transistor module comprises at least one field effect transistor;
Described electronic switch is also provided with microcontroller and voltage and current detection circuit, described voltage and current detection circuit is electrically connected between described microcontroller and described field effect transistor module, and detect voltage signal and the current signal of described field effect transistor module, export the described voltage signal detected and described current signal to described microcontroller;
Described microcontroller exports control signal according to received described voltage signal and described current signal to field effect transistor driving circuit, described field effect transistor driving circuit according to described control signal to described field effect transistor module output drive signal to control the break-make of described field effect transistor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689140.XU CN204354966U (en) | 2014-11-17 | 2014-11-17 | Electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689140.XU CN204354966U (en) | 2014-11-17 | 2014-11-17 | Electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power |
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| CN204354966U true CN204354966U (en) | 2015-05-27 |
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| CN201420689140.XU Active CN204354966U (en) | 2014-11-17 | 2014-11-17 | Electronic switch and emergency source of electrical power ignition wire adaptor union, emergency source of electrical power |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914833A (en) * | 2016-05-23 | 2016-08-31 | 中山市科博电器有限公司 | Multifunctional emergency mobile power supply |
| CN105958139A (en) * | 2016-06-30 | 2016-09-21 | 深圳市华思旭科技有限公司 | Management system and method for emergency power supply |
| CN108923533A (en) * | 2018-06-29 | 2018-11-30 | 深圳市华思旭科技有限公司 | Emergency starting power supply and its monitoring system with communication function |
-
2014
- 2014-11-17 CN CN201420689140.XU patent/CN204354966U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914833A (en) * | 2016-05-23 | 2016-08-31 | 中山市科博电器有限公司 | Multifunctional emergency mobile power supply |
| CN105958139A (en) * | 2016-06-30 | 2016-09-21 | 深圳市华思旭科技有限公司 | Management system and method for emergency power supply |
| CN108923533A (en) * | 2018-06-29 | 2018-11-30 | 深圳市华思旭科技有限公司 | Emergency starting power supply and its monitoring system with communication function |
| CN108923533B (en) * | 2018-06-29 | 2021-01-22 | 深圳市华思旭科技有限公司 | Emergency starting power supply with communication function and monitoring system thereof |
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