Intelligent clamp device for emergency start of automobile

Abstract

The utility model discloses an intelligent clamp device for emergency start of an automobile. The intelligent clamp device comprises a clamp shell and a clamp mainboard, the clip main board is arranged in the clip shell, and a relay and a buzzer are mounted on the clip main board; the EC5 female head of the clamp main board is connected with an EC5 male head, and a clamp wire is led out of the EC5 male head and penetrates through the clamp shell. The utility model has all-around short circuit protection, overvoltage and undervoltage protection, recoil current protection, positive and negative electrode clamping reverse protection and over-temperature protection, especially has key indexes for ensuring the safety of a battery when a small-capacity large-displacement automobile is started, and closes the output when the voltage instantaneously drops to 9V in the process of starting the automobile. The voltage of the battery cell is prevented from being powered down, and the key protection effect on the safety of the battery is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a clamp device, in particular to an intelligent clamp device for emergency starting of an automobile. BACKGROUND

[0002] In today's society, people are increasingly pursuing a high-quality lifestyle, and as an important part of modern transportation tools, cars have become one of the necessities for many people to pursue a higher quality of life. With the increasing demand for cars, we can see more and more cars on the road in every corner of the world. However, the automobile parts market has also become increasingly large and complex, with a variety of quality uneven automobile parts flooding the market. In particular, in the field of automobile starting clamps, the common starting clamps on the market are simple to operate, but they cause considerable damage to the starting power battery itself, which not only affects the service life of the battery, but also may cause safety hazards. SUMMARY

[0003] The utility model provides a kind of intelligent clamp device for emergency starting of automobile, and it has the key index of guaranteeing battery safety to start big displacement car of small capacity, and it is closed output when voltage instantaneously drops to 9V in the process of starting car, protects that battery cell voltage does not drop power again, and it plays a key protection role to the safety of battery. That is, it protects the damage of components and circuits on the car, and protects the safety of power supply cell, which provides protection for people to live a quality life.

[0004] The utility model discloses an intelligent clamp device for emergency starting of automobile, which is realized by the following technical scheme, comprising: a clamp shell and a clamp mainboard.

[0005] The clamp mainboard is arranged in the interior of the clamp shell, and a relay and a buzzer are installed on the clamp mainboard; an EC5 male head is connected to the EC5 female head of the clamp mainboard, and a clamp wire is led out from the EC5 male head and passes through the clamp shell.

[0006] As a preferred technical scheme, the clamp mainboard is provided with an MCU master control, a virtual electricity control circuit, a PMW switch circuit, an LDO voltage stabilizing circuit, a detection automobile battery voltage control circuit, a detection automobile generator control circuit, a detection battery end voltage circuit, an LED indicator lamp circuit, a short-circuit protection control circuit, a reverse charging protection control circuit, an overcurrent protection circuit, a short-circuit protection control circuit, and an alarm control circuit temperature protection control circuit.

[0007] The MCU is connected with the false electricity prevention control circuit, PMW switch circuit, LDO voltage stabilizing circuit, automobile storage battery voltage detection control circuit, automobile generator detection control circuit, battery terminal voltage detection circuit, LED indicating lamp circuit, short circuit protection control circuit, reverse charging protection control circuit, overcurrent protection circuit, short circuit protection control circuit and alarm control circuit temperature protection control circuit.

[0008] As a preferred technical scheme, the clip is connected with an alligator clip, and the alligator clip is connected with the automobile storage battery.

[0009] As a preferred technical scheme, the clip shell comprises a clip surface shell and a clip bottom shell, and the clip surface shell and the clip bottom shell are mutually spliced.

[0010] As a preferred technical scheme, the clip main plate is provided with an LED display lamp, and the LED display lamp is controlled through the LED indicating lamp circuit.

[0011] As a preferred technical scheme, the bottom of the clip bottom shell is provided with a label

[0012] The utility model discloses the beneficial effects are:

[0013] The utility model has all -round short -circuit protection, prevent overvoltage, under -voltage protection, prevent reverse current protection, prevent positive and negative pole clip reverse protection, over -temperature protection, especially to small -capacity start big -displacement car has the key index of guaranteeing battery safety, closes output when starting the car process voltage moment drops to 9V, protects the battery core voltage and does not drop electricity again, and the safety of battery plays the key protection function. DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduces, obviously, the following description in the drawing only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0015] Fig. 1 It is the explosion structure schematic diagram of the utility model;

[0016] Fig. 2 It is the circuit schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] All features disclosed in this specification, or the steps in all disclosed methods or processes, can be combined in any manner, except where features and / or steps are mutually exclusive.

[0018] As Figs. 1-2As shown, the utility model discloses a kind of intelligent clip device of automobile emergency starting, including clip shell and clip mainboard 3;

[0019] The clip mainboard 3 is arranged in the inside of the clip shell, and a relay 5 and a buzzer 4 are installed on the clip mainboard 3;EC5 male head 6 is connected to the EC5 female head of the clip mainboard 3, and the clip line 7 is led out from the EC5 male head 6, and the clip line 7 is arranged through the clip shell.

[0020] Among them, MCU main control, false electricity control circuit, PMW switch circuit, LDO voltage stabilizing circuit, detection automobile battery voltage control circuit, detection automobile generator control circuit, detection battery end voltage circuit, LED indicator circuit, short-circuit protection control circuit, reverse charging protection control circuit, overcurrent protection circuit, short-circuit protection control circuit and alarm control circuit temperature protection control circuit are arranged on the clip mainboard 3;

[0021] Among them, MCU main control and false electricity control circuit, PMW switch circuit, LDO voltage stabilizing circuit, detection automobile battery voltage control circuit, detection automobile generator control circuit, detection battery end voltage circuit, LED indicator circuit, short-circuit protection control circuit, reverse charging protection control circuit, overcurrent protection circuit, short-circuit protection control circuit and alarm control circuit temperature protection control circuit are connected;It has short-circuit protection function, reverse connection protection function, reverse charging protection function, over-temperature protection function, overvoltage protection function, under-voltage protection function, and the starting automobile instantaneous dynamic low-voltage protection function is additionally provided, the output is closed when the voltage is dropped to 9V in the process of starting automobile, the battery voltage is prevented from being further dropped, and the safety of the battery is protected.

[0022] Among them, alligator clip 8 is connected to the clip line 7, and the alligator clip 8 is connected to the automobile battery through the alligator clip 8, and the alligator clip 8 is red and black respectively;

[0023] Circuit principle:

[0024] Power supply stabilizing part: input power is entered into the circuit board through EC5 interface, first passes through LDO voltage stabilizing circuit, converts input voltage into stable 5V or 3.3V direct voltage, and provides working power supply for MCU main control module and other low-voltage circuit modules.

[0025] MCU main control part: MCU main control module is as core control unit, real-time acquisition various sensors and voltage detection circuit signal, according to detection data, logic judgment and protection action trigger.

[0026] Voltage detection circuit:

[0027] Battery voltage detection circuit detects voltage after clip line 7 is connected with automobile battery in real time, judges battery voltage state;

[0028] Generator voltage detection circuit detects the generator voltage level after the vehicle starts, to identify the reverse charging state after the car starts;

[0029] Battery end voltage detection circuit is used to detect the voltage state of the internal energy storage battery to avoid battery damage due to over-discharge.

[0030] Protection circuit part:

[0031] Short circuit protection circuit detects the abnormal increase of crocodile clip short circuit current, triggers relay 5 to disconnect the circuit, and at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0032] Reverse connection protection circuit detects the reverse connection of the voltage polarity of the crocodile clip, triggers the relay 5 to disconnect the circuit, and at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0033] Reverse charging protection circuit, when the generator voltage is higher than the battery voltage, the MCU main module judges that it is in reverse charging state, and controls the relay 5 to disconnect the circuit through the PWM switch circuit, at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0034] Over-temperature protection circuit, when the temperature sensor detects that the temperature exceeds 80℃, the MCU main module triggers over-temperature protection, controls the relay 5 to disconnect the circuit through the PWM switch circuit, at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0035] Over-voltage protection circuit, when the voltage detection circuit detects that the battery voltage exceeds 17V, the MCU main module judges that it is in over-voltage state, controls the relay 5 to disconnect the circuit through the PWM switch circuit, at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0036] Under-voltage protection circuit, when the battery voltage is lower than 13.5V, the MCU main module judges that it is in under-voltage state, controls the relay 5 to disconnect the circuit through the PWM switch circuit, at the same time lights up the red LED display lamp 9 and starts the buzzer 4 alarm.

[0037] Dynamic low-voltage protection circuit, when the battery voltage drops to below 9V during the starting of the car, the MCU main module immediately controls the relay 5 to disconnect the circuit to prevent the battery voltage from further dropping and protect the battery safety.

[0038] LED display and alarm prompt part: LED display lamp 9 is controlled by MCU main module through LED indicator lamp circuit, and displays different colors or lighting modes in different working states. Buzzer 4 is driven by alarm control circuit, and emits alarm sound when short circuit, reverse connection, reverse charging, over-temperature, over-voltage, under-voltage and other abnormal states occur.

[0039] The relay control circuit: the relay 5 is as main circuit switch component, under the control of MCU master module, through PWM switch circuit drive relay 5 contact opens or closes, realizes circuit on-off control, thereby completes the safety protection function of emergency starting clamp device.

[0040] The utility model discloses a core is combined with detection circuit, protection circuit, display alarm circuit through MCU master module, has realized the intelligent control of clamp device, makes it can under different abnormal conditions rapid power-off protection, effectively guarantees starting battery and vehicle electrical system safety, improves the reliability of emergency starting.

[0041] The above, only for the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any not through the creative change or replacement of labour thought, should cover in the protection scope of the utility model. Therefore, the protection scope of the utility model should be with the protection scope limited in the claim.

Claims

1. A smart clamp device for emergency starting of a car, characterized in that, include: Clip housing, clip main board (3), relay (5), and buzzer (4); The clamp main board (3) is located inside the clamp housing, and the relay (5) and buzzer (4) are mounted on the clamp main board (3). The EC5 female connector of the clip motherboard (3) is connected to an EC5 male connector (6), and the EC5 male connector (6) is connected to a clip wire (7), which extends through the clip housing to the outside.

2. The intelligent clamp device according to claim 1, characterized in that, The clip mainboard (3) is equipped with an MCU main control unit and multiple circuit modules electrically connected to the MCU main control unit, including: Anti-virtual current control circuit; PWM switching circuit; LDO voltage regulator circuit; Automotive battery voltage detection and control circuit; Automotive alternator detection and control circuit; Battery terminal voltage detection circuit; LED indicator circuit; Short circuit protection control circuit; Reverse charging protection control circuit; Overcurrent protection circuit; Alarm control circuit; Temperature protection control circuit; The MCU main control unit is used to monitor the operating status of the circuit module and perform corresponding protection or indication operations based on the detection results.

3. The intelligent clamp device according to claim 1, characterized in that, The end of the clip wire (7) is connected to an alligator clip for electrical connection to the car battery.

4. The intelligent clamp device according to claim 1, characterized in that, The clip housing includes a clip face shell (1) and a clip bottom shell (2), and the clip face shell (1) and the clip bottom shell (2) are detachably spliced ​​together.

5. The intelligent clamp device according to claim 1, characterized in that, The clip mainboard (3) is equipped with an LED indicator light (9), and the LED indicator light (9) is controlled by the LED indicator circuit to indicate the working status of the device.

6. The intelligent clamp device according to claim 1, characterized in that, The outer surface of the clip bottom shell (2) is provided with a label (10) for identifying equipment information.

7. The intelligent clamp device according to claim 1, characterized in that, The device has comprehensive short circuit protection, overvoltage protection, undervoltage protection, reverse charging current protection, positive and negative terminal reversal protection, and over-temperature protection functions. The device can automatically shut off the output when the voltage drops to 9V during the car startup process to prevent the battery cell voltage from dropping further, thereby improving battery safety. It is particularly suitable for scenarios where small-capacity batteries are used to start large-displacement cars.

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