CN220204032U - Automobile starting control circuit - Google Patents
Automobile starting control circuit Download PDFInfo
- Publication number
- CN220204032U CN220204032U CN202321644311.2U CN202321644311U CN220204032U CN 220204032 U CN220204032 U CN 220204032U CN 202321644311 U CN202321644311 U CN 202321644311U CN 220204032 U CN220204032 U CN 220204032U
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- CN
- China
- Prior art keywords
- starter
- starting relay
- control unit
- storage battery
- ignition switch
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- 239000007858 starting material Substances 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000002679 ablation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses an automobile starting control circuit, which comprises a storage battery, an ECU electronic control unit, an ignition switch, a starting relay and a starter, wherein the storage battery is connected with the ECU electronic control unit; an ignition switch: for controlling the supply of electricity to the battery; starting relay: the electromagnetic attraction force is generated after the coil is electrified to drive the switch end to be attracted; and (3) a starter: the negative end of the starter is connected with the negative end GND of the storage battery, and the positive end of the starter is connected to the positive end of the storage battery through a starting relay; and the ECU electronic control unit is connected with the ECU electronic control unit and is used for collecting signals input by the ignition switch, detecting voltage and controlling whether the starting relay is attracted or not. The utility model is suitable for the traditional fuel vehicle, and achieves the purpose of reducing the ablation fault of the starter by utilizing the control function of an engine Electronic Control Unit (ECU), a control signal input end and a control signal output end. The starting protection loop has simple design, reliable control and low cost; and the number of related parts is small, so that the new development of parts is reduced.
Description
Technical Field
The utility model relates to an automobile control circuit, in particular to an automobile starting control circuit.
Background
The transition of the engine from a stationary state to a self-running state by an external force is called starting of the engine. The starter is utilized to convert the electric energy of the storage battery into mechanical energy and drive the flywheel of the engine to rotate so as to realize the starting of the engine. The starter belongs to a precious part in an automobile, and 300-400 As (ampere second) of electric quantity is introduced from a storage battery in the process of starting an engine, so that the starting time is not more than 6s in order to prevent the phenomenon of overcurrent or damage of the storage battery; the low temperature environment is easy to cause the difficult starting phenomenon, the starting time of each time is not too long when the engine is started for a plurality of times, and proper intervals are reserved in each time.
The traditional fuel vehicle starter work control is widely adopted: the ignition switch controls the relay, and then the main switch of the starter is controlled by the relay to switch on or switch the main circuit. When the starter is started for too long or frequently, the starter is ablated due to overload.
Disclosure of Invention
The present utility model is directed to an automobile start control circuit, which solves the above-mentioned problems.
In order to solve the technical problems, the utility model provides the following technical scheme: an automobile starting control circuit comprises a storage battery, an ECU electronic control unit, an ignition switch, a starting relay and a starter;
storage battery: the 12V power supply and the negative electrode GND are provided for the electric appliance of the whole vehicle, and the electric appliance works in a channel state.
An ignition switch: for controlling the supply of electricity to the battery;
starting relay: comprises a coil end and a switch end, wherein after the coil is electrified, electromagnetic attraction force is generated to drive the switch end to attract.
And (3) a starter: the negative end of the starter is connected with the negative end GND of the storage battery, and the positive end of the starter is connected to the positive end of the storage battery through a starting relay;
and the ECU electronic control unit is connected with the ignition switch and the starting relay, and is used for collecting signals input by the ignition switch, detecting voltage and controlling whether the starting relay is attracted or not.
Preferably, one end of the coil of the starting relay is connected to the ignition switch, and the other end of the coil of the starting relay is connected to a control pin of the ECU electronic control unit.
Preferably, one end of the switch end of the starting relay is connected with the starter, and the other end of the switch end of the starting relay is connected with the anode of the storage battery.
Preferably, the ignition switch is provided with four gears, respectively: OFF, ACC, ON, ST.
Preferably, the ignition switch is provided with 6 pins, wherein the ST pin is connected with the ECU electronic control unit.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is suitable for the traditional fuel vehicle, and achieves the purpose of reducing the ablation fault of the starter by utilizing the control function of an engine Electronic Control Unit (ECU), a control signal input end and a control signal output end. The starting protection loop has simple design, reliable control and low cost; and the number of related parts is small, so that the new development of parts is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall circuit of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to the drawings, the present embodiment provides an automobile starting control circuit, which comprises a storage battery 1, an ECU electronic control unit 2, an ignition switch 3, a starting relay 4 and a starter 5.
Battery 1: the 12V power supply and the negative electrode GND are provided for the electric appliance of the whole vehicle, and the electric appliance works in a channel state.
ECU electronic control unit 2: the system has the functions of operation and control, collects signals, performs operation, converts the operation result into a control signal and controls the work of a controlled object. ECU electronic control unit model: h31-3605010AB.
Ignition switch 3: the power supply device comprises four gears, six wiring pins, and a storage battery is electrically connected with an IG1 pin and an STSTART pin through an ignition switch inner loop when the power supply device is in the STSTART gear.
Start relay 4: the electromagnetic attraction type switch comprises a coil end and a switch end, wherein after the coil is electrified, electromagnetic attraction is generated to drive the switch end to attract, namely the switch end forms a passage). Starting relay number: 4133-S-DC12V-A-R.
Starter 5: the direct current motor is used as an electric appliance, the negative end of the starter is connected with the GND end of the storage battery, and when the positive end of the starter is communicated with the positive end of the storage battery, a passage is formed, namely, the starting working state is achieved.
After the whole vehicle is electrified, when the ignition switch 3 is in an ST gear, the ST gear simultaneously provides 12V power for a 2D21 pin of the ECU electronic control unit and a coil end 85 pin of the starting relay 3, and the 2D21 pin of the ECU electronic control unit monitors a 12V voltage signal, namely, whether the input frequency and the input time of the ST signal accord with set values or not is judged through operation. ECU electronic control unit 2 sets up: the input frequency is less than or equal to 3 times, and the input time is less than or equal to 6s. The ECU electronic control unit 2 controls whether the D48 pin outputs the GND low voltage signal through monitoring and operation. When the coil end 86 pin of the starting relay 4 receives the GND low voltage signal, the coil is electrified, the switch end of the starting relay 4 is attracted, the power supply of the storage battery is input into the positive end of the starter 5, a passage is formed, and the starter is started.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automobile start control circuit, which is characterized in that: the device comprises a storage battery, an ECU electronic control unit, an ignition switch, a starting relay and a starter;
storage battery: providing a 12V power supply and a negative electrode GND for the electric appliance of the whole vehicle, and working in the state of a power utilization path;
an ignition switch: for controlling the supply of electricity to the battery;
starting relay: the electromagnetic attraction force is generated after the coil is electrified to drive the switch end to be attracted;
and (3) a starter: the negative end of the starter is connected with the negative end GND of the storage battery, and the positive end of the starter is connected to the positive end of the storage battery through a starting relay;
and the ECU electronic control unit is connected with the ignition switch and the starting relay, and is used for collecting signals input by the ignition switch, detecting voltage and controlling whether the starting relay is attracted or not.
2. The automobile start control circuit according to claim 1, wherein: starting relay number: 4133-S-DC12V-A-R.
3. The automobile start control circuit according to claim 1, wherein: ECU electronic control unit model: h31-3605010AB.
4. The automobile start control circuit according to claim 1, wherein: one end of a coil of the starting relay is connected to the ignition switch, and the other end of the coil of the starting relay is connected to a control pin of the ECU electronic control unit.
5. The automobile start control circuit according to claim 1, wherein: one end of the switch end of the starting relay is connected with the starter, and the other end is connected with the anode of the storage battery.
6. The automobile start control circuit according to claim 1, wherein: the ignition switch is provided with four gears, is respectively: OFF, ACC, ON, ST.
7. The vehicle start control circuit of claim 5, wherein: the ignition switch is provided with 6 pins, and ST pin among them is connected with ECU electronic control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644311.2U CN220204032U (en) | 2023-06-27 | 2023-06-27 | Automobile starting control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644311.2U CN220204032U (en) | 2023-06-27 | 2023-06-27 | Automobile starting control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204032U true CN220204032U (en) | 2023-12-19 |
Family
ID=89149820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321644311.2U Active CN220204032U (en) | 2023-06-27 | 2023-06-27 | Automobile starting control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204032U (en) |
-
2023
- 2023-06-27 CN CN202321644311.2U patent/CN220204032U/en active Active
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