CN204885731U - Car emergency power source intelligent recognition connector - Google Patents
Car emergency power source intelligent recognition connector Download PDFInfo
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- CN204885731U CN204885731U CN201520575688.6U CN201520575688U CN204885731U CN 204885731 U CN204885731 U CN 204885731U CN 201520575688 U CN201520575688 U CN 201520575688U CN 204885731 U CN204885731 U CN 204885731U
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Abstract
The utility model discloses a car emergency power source intelligent recognition connector has intelligent recognition and alarming function's connector. Can discernment work as the condition that the car battery voltage is higher than car emergency power source's voltage, when the mistake appears in the wiring, can cancel wrong alarm by automated inspection after the debug, normally continue work, and do not need the deenergization. The car emergency power source who is higher than more than the 16V to 4 strings of lithium cells has the step -down effect, prevents the overtension and damages the car circuit. It includes alligator clip, wire, and the alligator clip includes two, and the alligator clip presss from both sides the metal dop connecting wire of mouth, and the wire is equipped with the plug of connecting automobile emergency power source including anodal and two wires at the negative pole, two wire ends, one of them centre of two wires is equipped with the intelligent recognition device, the intelligent recognition device includes the circuit board, and the circuit board is equipped with high level pull -up circuit, low -voltage pull -down circuit, voltage sample detection circuitry, MOS circuit, MCU control circuit and acousto -optic warning circuit.
Description
Technical field
The utility model relates to Elecrical connector technical field, particularly relates to a kind ofly being applied to the connection automobile storage battery that car emergency starts power supply, with the connector of Intelligent Recognition and warning function.
Background technology
Along with expanding economy, automobile is also more and more universal in average family as running vehicle, and it goes out to bring great convenience to people.In daily life, car emergency starts the thing that power supply has become the indispensability of car owners, can connect automobile storage battery start automobile when automobile starting power voltage insufficient with external emergency starting power supply.And existing automobile starting power supply product does not nearly all have use safety connector, can make lay operators that electric power polarity easily occurs like this and connect instead, electric power polarity collision short circuit and operating sequence such as to be made mistakes at the security incident.Intelligent Recognition wire clamp connector in the market exists and identifies the None-identified when the voltage of automobile storage battery voltage higher than car emergency power supply; When mistake appears in wiring, can not automatically detect cancellation false alarm after debug, cause and use inconvenience.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides and is a kind ofly applied to the connection automobile storage battery that car emergency starts power supply, with the connector of Intelligent Recognition and warning function.Can identify when automobile storage battery voltage is higher than the situation of the voltage of car emergency power supply; When mistake appears in wiring, can automatically detect cancellation false alarm after debug, normally work on, and do not need deenergization; Higher than the car emergency power supply of more than 16V, there is hypotensive effect for 4 series lithium batteries, prevent overtension, and damage car circuit.
The technical scheme that the utility model adopts is: a kind of car emergency power supply smart identification connector, comprise crocodile clip, wire, it is characterized in that, described crocodile clip comprises two, the metal dop of crocodile clip jaws connects wire, wire comprises positive pole and negative pole two wires, and two wire ends are provided with the plug connecting car emergency power supply; The wherein centre of of two wires is provided with intelligent identification device, described intelligent identification device comprises circuit board, and circuit board is provided with high level pull-up circuit, low-voltage pull-down circuit, voltage sample testing circuit, MOS circuit, MCU control circuit and sound light alarming circuit.
Described high level pull-up circuit is made up of P-MOS field effect transistor Q10, resistance R5, resistance R37, resistance R15, NPN triode Q11, resistance R36, diode, P-MOS field effect transistor Q10 contact resistance R5, resistance R37, resistance R15, the resistance R5 other end connects diode D2, the other end of resistance R15 connects NPN triode, the base stage contact resistance R36 of NPN triode, the resistance R36 other end connects the DE-H end of MCU.
Described low-voltage pull-down circuit is connected N-MOS field effect transistor formed by diode D3, diode D3 contact resistance R7, the resistance R7 other end, and the grid of N-MOS field effect transistor connects the DE-L end of MCU, the source ground of N-MOS field effect transistor.
Described voltage sample testing circuit is made up of resistance R4, resistance R6, electric capacity C4, resistance R3, N-MOS field effect transistor, and the voltage acquisition end ADC of the grid connection MCU of N-MOS field effect transistor holds.
Described MOS circuit is by N-MOS field effect transistor Q16, N-MOS field effect transistor Q17, N-MOS field effect transistor Q12, N-MOS field effect transistor Q24, resistance R9, resistance R10, resistance R53, resistance R54, PNP triode Q4, PNP triode Q5 forms, the grid contact resistance R10 of N-MOS field effect transistor Q17 and N-MOS field effect transistor Q24, the grid contact resistance R9 of N-MOS field effect transistor Q16 and N-MOS field effect transistor Q12, the base stage contact resistance R53 of PNP triode Q4, the base stage contact resistance R54 of PNP triode Q5, the resistance R54 other end connects the DMOS end of MCU, the other end of resistance R53 connects the CMOS end of MCU.
Described power electric routing resistance R1, resistance R2, electric capacity C1, electric capacity C22, electric capacity C8, diode D1, voltage stabilizing chip U4 form, and the crus secunda of voltage stabilizing chip U4 connects the 16th pin of electric capacity C8 and power end VDD, power end VDD connection MCU.
Described sound light alarming circuit comprises audible alarm circuit and light warning circuit, and described audible alarm electricity routing resistance R18, resistance R18 connect the base stage of NPN triode Q1, the collector electrode connection buzzer BZ and diode D4 of NPN triode Q1 forms; Described light warning circuit comprises red diodes LED1, blue light diode LED2, resistance R27, resistance R28, and resistance R27 is connected with resistance R28 and MCU.
The beneficial effects of the utility model are: the car emergency power connector implemented by the technical program, its intelligent identification device arranged, by the detection and Identification circuit of the built-in circuit board of intelligent identification device, can identify when automobile storage battery voltage is higher than the situation of the voltage of car emergency power supply; When mistake appears in wiring, can automatically detect cancellation false alarm after debug, normally work on, and do not need deenergization; Higher than the car emergency power supply of more than 16V, there is hypotensive effect for 4 string cobalt acid lithium batteries, prevent overtension, and damage car circuit.
Accompanying drawing explanation
Fig. 1 is overall structure appearance schematic diagram of the present utility model.
Fig. 2 is high level pull-up circuit of the present utility model, low-voltage pull-down circuit, voltage sample testing circuit and the interconnective circuit diagram of MOS circuit.
Fig. 3 is the circuit diagram of MCU control circuit of the present utility model.
Fig. 4 is the circuit diagram of power circuit of the present utility model.
Fig. 5 is the circuit diagram of sound light alarming circuit of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Please refer to accompanying drawing 1 to Fig. 4, a kind of car emergency power supply smart identification connector, comprise crocodile clip, wire, it is characterized in that, described crocodile clip comprises two, the metal dop of crocodile clip jaws connects wire, and wire comprises positive pole and negative pole two wires, and two wire ends are provided with the plug connecting car emergency power supply; The wherein centre of of two wires is provided with intelligent identification device, described intelligent identification device comprises circuit board, and circuit board is provided with high level pull-up circuit, low-voltage pull-down circuit, voltage sample testing circuit, MOS circuit, MCU control circuit and sound light alarming circuit.
Described high level pull-up circuit is made up of P-MOS field effect transistor Q10, resistance R5, resistance R37, resistance R15, NPN triode Q11, resistance R36, diode, P-MOS field effect transistor Q10 contact resistance R5, resistance R37, resistance R15, the resistance R5 other end connects diode D2, the other end of resistance R15 connects NPN triode, the base stage contact resistance R36 of NPN triode, the resistance R36 other end connects the DE-H end of MCU.
Described low-voltage pull-down circuit is connected N-MOS field effect transistor formed by diode D3, diode D3 contact resistance R7, the resistance R7 other end, and the grid of N-MOS field effect transistor connects the DE-L end of MCU, the source ground of N-MOS field effect transistor.
Described voltage sample testing circuit is made up of resistance R4, resistance R6, electric capacity C4, resistance R3, N-MOS field effect transistor, and the voltage acquisition end ADC of the grid connection MCU of N-MOS field effect transistor holds.
Described MOS circuit is by N-MOS field effect transistor Q16, N-MOS field effect transistor Q17, N-MOS field effect transistor Q12, N-MOS field effect transistor Q24, resistance R9, resistance R10, resistance R53, resistance R54, PNP triode Q4, PNP triode Q5 forms, the grid contact resistance R10 of N-MOS field effect transistor Q17 and N-MOS field effect transistor Q24, the grid contact resistance R9 of N-MOS field effect transistor Q16 and N-MOS field effect transistor Q12, the base stage contact resistance R53 of PNP triode Q4, the base stage contact resistance R54 of PNP triode Q5, the resistance R54 other end connects the DMOS end of MCU, the other end of resistance R53 connects the CMOS end of MCU.
Described power electric routing resistance R1, resistance R2, electric capacity C1, electric capacity C22, electric capacity C8, diode D1, voltage stabilizing chip U4 form, and the crus secunda of voltage stabilizing chip U4 connects the 16th pin of electric capacity C8 and power end VDD, power end VDD connection MCU.
Described sound light alarming circuit comprises audible alarm circuit and light warning circuit, and described audible alarm electricity routing resistance R18, resistance R18 connect the base stage of NPN triode Q1, the collector electrode connection buzzer BZ and diode D4 of NPN triode Q1 forms; Described light warning circuit comprises red diodes LED1, blue light diode LED2, resistance R27, resistance R28, and resistance R27 is connected with resistance R28 and MCU.
The course of work: first plug 3 is connected in car emergency power supply, power circuit and supply voltage sample circuit export 5V voltage to MCU and interlock circuit, simultaneously by R1, R2, C1 forms bleeder circuit and input power is transported to MCU detection, after MCU powers on, first close and export by R9, R10, R53, R54, Q4, Q5 forms metal-oxide-semiconductor drive circuit, detect R1 again, R2, input supply voltage after C1 conversion, as detected, supply voltage is not less than the low-voltage of setting battery, then blue lamp LED2 is glittering, load detecting is opened as started: MCU is first D3, R7, the pull-down circuit of Q6 composition, detect again by R4, R6, C4, R3, Q2 forms the magnitude of voltage of the output OUT-of the voltage sample testing circuit that two grades switch, determine whether load access, as detected, voltage is zero, then non-loaded, , as non-loaded, then close pull-down circuit, open and form high level pull-up circuit by Q10, R5, R37, R15, Q11, R36, D2, detect the magnitude of voltage exporting OUT-again, judge whether have load, as detected, voltage equals to input the voltage of IN+, then non-loaded, close pull-up circuit, open pull-down circuit, always cycle detection.
When crocodile clip 1 clip is received on the both positive and negative polarity of automobile circuit (without storage battery), after opening pull-down circuit, after MCU detects that the magnitude of voltage exporting OUT-is greater than 0V, then calculating judges whether short circuit and reversal connection, as not short circuit and reversal connection, then open driven MOS circuit, metal-oxide-semiconductor Q12, Q16, Q17, Q24 conducting, output OUT-is allowed to connect on logical GND, with long bright and buzzer BZ short sound one sound of blue led 2, represent that car emergency power supply has been switched on automobile circuit, can automobile engine be started.
When crocodile clip 1 clip is received on the both positive and negative polarity of automobile circuit (having storage battery), after opening pull-up circuit, after MCU detects that the magnitude of voltage exporting OUT-is less than the voltage of input IN+, calculate again and judge whether short circuit and reversal connection, as not short circuit and reversal connection, then open driven MOS circuit, allow metal-oxide-semiconductor Q12, Q16, Q17, Q24 conducting, exporting OUT-connects on logical GND, with long bright and buzzer BZ short sound one sound of blue led 2, represent that car emergency power supply has been switched on automobile circuit, can automobile engine be started.
When occurring that car emergency power-supply battery electricity is low, output short-circuit, exported no-load, when exporting reversal connection, started by R18, Q1, BZ(buzzer), D4, C106 form sound and by R28, LED1 red light warning circuit, prompting is broken down; When releasing fault after, after disconnecting consumers, MCU detect cell voltage normally or load disconnect, just close sound light alarming circuit, blue led 2 is glittering, recovers normal detected state.
When the battery employing 4 string cobalt acid lithium battery of car emergency power supply; because the voltage of battery pack is higher than 16V; therefore need step-down process; when MCU detects cell voltage higher than 15.5V; after detection load is normal; only open and form MOS drive circuit by R54, R10, Q5; allow Q17, Q24 two MOS conductings; and the MOS drive circuit that maintenance is made up of R53, R9, Q4; keep Q12, Q16 cut-off state; at this moment utilize the internal body diodes conducting powering load of Q12, Q16, thus load is realized to the pressure drop of 0.5-0.8V, reach the object of protection automobile circuit.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.And for belong to connotation of the present utility model the apparent change of extending out or variation still belong to protection range of the present utility model.
Claims (7)
1. a car emergency power supply smart identification connector, comprise crocodile clip, wire, it is characterized in that: described crocodile clip comprises two, the metal dop of crocodile clip jaws connects wire, wire comprises positive pole and negative pole two wires, and two wire ends are provided with the plug connecting car emergency power supply; The wherein centre of of two wires is provided with intelligent identification device, described intelligent identification device comprises circuit board, and circuit board is provided with high level pull-up circuit, low-voltage pull-down circuit, voltage sample testing circuit, MOS circuit, MCU control circuit and sound light alarming circuit.
2. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described high level pull-up circuit is made up of P-MOS field effect transistor Q10, resistance R5, resistance R37, resistance R15, NPN triode Q11, resistance R36, diode, P-MOS field effect transistor Q10 contact resistance R5, resistance R37, resistance R15, the resistance R5 other end connects diode D2, the other end of resistance R15 connects NPN triode, the base stage contact resistance R36 of NPN triode, the resistance R36 other end connects the DE-H end of MCU.
3. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described low-voltage pull-down circuit is connected N-MOS field effect transistor formed by diode D3, diode D3 contact resistance R7, the resistance R7 other end, the grid of N-MOS field effect transistor connects the DE-L end of MCU, the source ground of N-MOS field effect transistor.
4. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described voltage sample testing circuit is made up of resistance R4, resistance R6, electric capacity C4, resistance R3, N-MOS field effect transistor, the voltage acquisition end ADC of the grid connection MCU of N-MOS field effect transistor holds.
5. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described MOS circuit is by N-MOS field effect transistor Q16, N-MOS field effect transistor Q17, N-MOS field effect transistor Q12, N-MOS field effect transistor Q24, resistance R9, resistance R10, resistance R53, resistance R54, PNP triode Q4, PNP triode Q5 forms, the grid contact resistance R10 of N-MOS field effect transistor Q17 and N-MOS field effect transistor Q24, the grid contact resistance R9 of N-MOS field effect transistor Q16 and N-MOS field effect transistor Q12, the base stage contact resistance R53 of PNP triode Q4, the base stage contact resistance R54 of PNP triode Q5, the resistance R54 other end connects the DMOS end of MCU, the other end of resistance R53 connects the CMOS end of MCU.
6. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described power electric routing resistance R1, resistance R2, electric capacity C1, electric capacity C22, electric capacity C8, diode D1, voltage stabilizing chip U4 form, the crus secunda of voltage stabilizing chip U4 connects the 16th pin of electric capacity C8 and power end VDD, power end VDD connection MCU.
7. a kind of car emergency power supply smart identification connector according to claim 1, it is characterized in that: described sound light alarming circuit comprises audible alarm circuit and light warning circuit, described audible alarm electricity routing resistance R18, resistance R18 connect the base stage of NPN triode Q1, the collector electrode connection buzzer BZ and diode D4 of NPN triode Q1 forms; Described light warning circuit comprises red diodes LED1, blue light diode LED2, resistance R27, resistance R28, and resistance R27 is connected with resistance R28 and MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575688.6U CN204885731U (en) | 2015-08-04 | 2015-08-04 | Car emergency power source intelligent recognition connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520575688.6U CN204885731U (en) | 2015-08-04 | 2015-08-04 | Car emergency power source intelligent recognition connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204885731U true CN204885731U (en) | 2015-12-16 |
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ID=54830065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520575688.6U Expired - Fee Related CN204885731U (en) | 2015-08-04 | 2015-08-04 | Car emergency power source intelligent recognition connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204885731U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871010A (en) * | 2016-04-28 | 2016-08-17 | 广东百事泰电子商务股份有限公司 | Intelligent storage battery clamp for automobile starting |
| CN105977664A (en) * | 2016-06-16 | 2016-09-28 | 东莞市仲康电子科技有限公司 | Voltage detecting crocodile clip for automobile starting power supply with automatic disconnecting function |
| TWI663800B (en) * | 2017-12-12 | 2019-06-21 | 戴健郎 | Clamp |
-
2015
- 2015-08-04 CN CN201520575688.6U patent/CN204885731U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871010A (en) * | 2016-04-28 | 2016-08-17 | 广东百事泰电子商务股份有限公司 | Intelligent storage battery clamp for automobile starting |
| WO2017185700A1 (en) * | 2016-04-28 | 2017-11-02 | 广东百事泰电子商务股份有限公司 | Intelligent battery clip for automobile starting |
| CN105977664A (en) * | 2016-06-16 | 2016-09-28 | 东莞市仲康电子科技有限公司 | Voltage detecting crocodile clip for automobile starting power supply with automatic disconnecting function |
| CN105977664B (en) * | 2016-06-16 | 2018-01-12 | 东莞市仲康电子科技有限公司 | Band pulls off the automobile starting supply voltage detection crocodile clip of function |
| TWI663800B (en) * | 2017-12-12 | 2019-06-21 | 戴健郎 | Clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180804 |