JPH04130562U - Automotive power supply circuit - Google Patents

Abstract

(57) [Summary] (with corrections) [Purpose] To obtain a power supply circuit that can restart the engine even if the battery becomes over-discharged due to forgetting to turn on a lighting fixture when the engine is stopped. [Structure] Normally, during engine startup, the dedicated battery 2 is charged together with the main battery 1 through the diode 4.
When the engine is stopped, even if the main battery 1 accidentally becomes over-discharged, the dedicated battery 2 connected through the diode 4 remains in a charging state, and the starter 5 connected to the dedicated battery 2,
It is possible to restart the engine on its own by operating the igniter 6. The starter consumes the battery only when the engine is started, and the igniter consumes the battery only while the engine is starting, so the dedicated battery 2 is not discharged when the engine is stopped. Once the engine is started, the main battery 1 is charged, the engine continues to start, and all electrical equipment can be used.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea helps people accidentally forget to turn on the lights when the engine is stopped. This allows the engine to restart on its own even if the battery becomes over-discharged. The present invention relates to a power supply circuit.

0002

[Conventional technology]

Traditionally, the power source for a car is a power generator connected to one battery and all electrical equipment. It had become a circuit.

0003

[Problem that the idea aims to solve]

This had the following drawbacks. (b) When the engine is stopped, you accidentally forget to turn on a light fixture, etc., and the battery is over-discharged. When this happened, the starter wouldn't work and I couldn't restart the engine on my own. (b) Even if a car is operated incorrectly, the engine, which is its only energy source, will The only request was for the system to be restarted. The present invention has been made to eliminate these drawbacks.

0004

[Means to solve the problem]

There are two batteries, a main battery and a dedicated battery, and the main battery (1) side is used as an anode. A diode (4) or a directional element that connects the main battery (1) and the dedicated battery. Connect the starter (5) and igniter (6) to the dedicated battery (2). , the main battery (1) is equipped with electrical equipment other than the generator (3), starter, and igniter. This is a power supply circuit that connects (7).

[0005]

[Effect]

Even if the main battery (1) accidentally becomes over-discharged when the engine is stopped, the dedicated battery Operate the starter (5) and igniter (6) connected to the battery (2), and It is possible to restart the engine.

[0006]

【Example】

Examples of the present invention will be described below. (a) The ground side is all common. (b) The main battery (1) includes a power generator (3), an anode of a diode (4) and Connect electrical equipment (7) other than the starter and igniter. (c) The dedicated battery (2) has a diode (4) cathode and a starter (5). and the igniter (6).

[0007] This project has the above-mentioned configuration, and during normal engine startup, it is powered off together with the main battery (1). The dedicated battery (2) is being charged through the iode (4). When the engine is stopped , even if the main battery (1) accidentally becomes over-discharged, it will be connected with the diode (4). The dedicated battery (2) is in a charging state, and the standby battery connected to the dedicated battery (2) It is possible to restart the engine on its own by operating the igniter (5) and igniter (6). Ru. The starter consumes the battery only when starting the engine, and the igniter consumes the battery only while the engine is starting. Therefore, when the engine is stopped, the dedicated battery (2) is not discharged. Once the engine is started, the main battery (1) is charged and the engine starts. All electrical equipment can be used.

[0008] The two batteries used in this invention may be separate batteries, but as shown in Figure 2, It is also possible to integrate two electrically independent batteries by providing a battery. illustration In this case, the ground terminal (8) is used as a common terminal for the main battery and the dedicated battery.

[0009]

[Effect of the idea]

With the power supply circuit of this invention, when the engine is stopped and the vehicle is parked, the headlights or If you forget to turn on the parking light, the main battery may become over-discharged. can also restart the engine on its own. In particular, the automatic Vehicles equipped with a transmission transmission cannot start the engine by pushing the vehicle. The present invention is particularly effective.

[Brief explanation of drawings]

FIG. 1 is an electrical circuit diagram of the present invention (showing an example of negative grounding).

FIG. 2 is a perspective view showing an embodiment of a battery used in the present invention.

[Explanation of symbols]

(1) Main battery (2) Dedicated battery (3) Power generation equipment (4) Diode (5) Starter (6) Igniter (7) Electrical equipment other than starters and igniters (8) Earth terminal (9) Positive terminal (10) Middle wall

Claims (1)

[Scope of utility model registration request] Claim 1: Two batteries, a main battery and a dedicated battery, are provided, and the main battery (1) and the dedicated battery (2) are connected using a diode (4) with the main battery (1) side as an anode or a directional element. Connect the dedicated battery (2) to the starter (5), igniter (6), and main battery (1).
is a power supply circuit that connects the generator (3) and electrical equipment (7) other than the starter and igniter.