CN-224211018-U - Power supply controller and automobile

CN224211018UCN 224211018 UCN224211018 UCN 224211018UCN-224211018-U

Abstract

The utility model provides a power supply controller and an automobile, which belong to the technical field of vehicle power supply management equipment, and comprise a power supply master switch, an energy storage battery, a main power supply electromagnetic relay, a DC-DC converter, an ignition switch, an ignition relay and an ignition relay, wherein the power supply master switch comprises a first contact set and a second contact set, the energy storage battery is used for storing electric energy, the main power supply electromagnetic relay is respectively and electrically connected with the positive electrode of the energy storage battery and the first contact set and used for maintaining or changing the output state of the energy storage battery, the DC-DC converter is electrically connected with a normally open contact of the main power supply electromagnetic relay and used for outputting KL30 signals as an output power supply of the automobile after the automobile is electrified successfully, the ignition switch is electrically connected with the KL30 signals through the second contact set and used for outputting KL15 signals to wake up the DC-DC converter, and when the power supply master switch is closed, the electrified states of the main power supply electromagnetic relay, the ignition switch and the ignition relay are simultaneously changed to realize reliable power-down actions.

Inventors

YAN YUNHE
HE HANBIN
HU ZHENGQI

Assignees

楚能(武汉)汽车有限公司

Dates

Publication Date: 20260508
Application Date: 20250625

Claims (8)

1. A power supply controller, comprising: the power supply main switch comprises a first contact set and a second contact set; The energy storage battery is used for storing electric energy; The main power electromagnetic relay is respectively and electrically connected with the positive electrode of the energy storage battery and the first contact set and is used for maintaining or changing the output state of the energy storage battery; The DC-DC converter is electrically connected with a normally open contact of the main power electromagnetic relay and is used for outputting KL30 signals as an output power supply of the vehicle after the vehicle is electrified successfully; The ignition switch is electrically connected with the KL30 signal through the second contact set; The ignition relay is electrically connected with an ignition gear of the ignition switch and is used for outputting a KL15 signal to wake up the DC-DC converter; when the main power switch is turned off, the power-on states of the main power electromagnetic relay, the ignition switch and the ignition relay are changed at the same time.
2. The power supply controller according to claim 1, wherein the power supply main switch comprises a plurality of auxiliary contacts, the first contact set comprises a first auxiliary contact and a second auxiliary contact, the first auxiliary contact is electrically connected with the second auxiliary contact, the first auxiliary contact is also electrically connected with a ground wire, the second contact set comprises a third auxiliary contact and a fourth auxiliary contact, the third auxiliary contact is electrically connected with a KL30 signal, and the fourth auxiliary contact is electrically connected with the ignition switch.
3. The power supply controller according to claim 2, wherein the power supply main switch comprises a first off gear and a first on gear, wherein the auxiliary contacts are disconnected from each other in the first off gear, and wherein the first auxiliary contact is communicated with the second auxiliary contact and the third auxiliary contact is communicated with the fourth auxiliary contact in the first on gear.
4. A power supply controller according to claim 3, wherein one end of the coil of the main power electromagnetic relay is electrically connected to the second contact, the other end of the coil of the main power electromagnetic relay is electrically connected to the positive electrode of the energy storage battery, one end of the contact of the main power electromagnetic relay is electrically connected to the positive electrode of the energy storage battery, the other end of the contact of the main power electromagnetic relay is used as a power supply signal output end and is also electrically connected to the input end of the DC-DC converter, and the negative electrode of the energy storage battery is grounded.
5. The power supply controller according to claim 3, wherein the ignition switch comprises a second off gear and a second on gear, the contact of the second off gear is electrically connected with the fourth auxiliary contact, the contact of the second on gear is electrically connected with the ignition relay, and the ignition switch is used for changing the communication state between the contact of the second off gear and the contact of the second on gear so as to enable the coil of the ignition relay to be powered on or powered off.
6. The power supply controller according to claim 5, wherein one end of the coil of the ignition relay is electrically connected to the contact of the second starting gear, the other end of the coil of the ignition relay is grounded, and the contact of the ignition relay is electrically connected to the electromagnetic switch of the DC-DC converter.
7. The power supply controller according to claim 1, further comprising an electronic control unit ECU electrically connected to the KL30 signal or the KL15 signal, respectively.
8. An automobile provided with the power supply controller according to any one of claims 1 to 7, wherein the main power electromagnetic relay, the ignition switch, and the ignition relay are simultaneously powered off when the main power switch is turned off.

Description

Power supply controller and automobile Technical Field The utility model relates to the technical field of vehicle power management equipment, in particular to a power supply controller and an automobile. Background Automotive power systems are an important component of automobiles for powering vehicles to drive various on-board electrical devices, such as engine control systems, lighting systems, on-board air conditioning systems, audio systems, and the like. The automobile power supply system is usually controlled by a main power switch, when the automobile is started, the main power switch is closed to supply the power of the storage battery to the electric system of the automobile, and when the automobile is stopped or in a flameout state, the main power switch is opened to cut off the power supply, so that the energy consumption of the storage battery is prevented, and the automobile is ensured to still have the starting capability after a plurality of days. However, the conventional power supply main switch can only directly or indirectly disconnect the anode of the storage battery, the whole vehicle cannot be directly controlled to be powered down, flameout action is realized by further performing secondary operation through the ignition switch knob, so that the power supply can be reliably powered down, and under extreme scenes, such as the situations of electrical short circuit, collision, fire and the like, the whole vehicle cannot be powered down by independently operating the power supply main switch, and accidents can be further caused or expanded. Therefore, it is necessary to provide a power supply controller and an automobile capable of logically associating with a battery, a DC-DC, an ignition switch, and an IG relay, and realizing reliable power down of the entire vehicle by a single operation. Disclosure of utility model In view of this, the present utility model provides a power controller and an automobile that can realize reliable power-down operation of the whole automobile only by a single operation. In one aspect, the present utility model provides a power supply controller comprising: the power supply main switch comprises a first contact set and a second contact set; The energy storage battery is used for storing electric energy; The main power electromagnetic relay is respectively and electrically connected with the positive electrode of the energy storage battery and the first contact set and is used for maintaining or changing the output state of the energy storage battery; The DC-DC converter is electrically connected with a normally open contact of the main power electromagnetic relay and is used for outputting KL30 signals as an output power supply of the vehicle after the vehicle is electrified successfully; The ignition switch is respectively and electrically connected with the KL30 signal and one end of the second contact set; The ignition relay is electrically connected with the other end of the second contact set and is used for outputting a KL15 signal to wake up the DC-DC converter; when the main power switch is turned off, the power-on states of the main power electromagnetic relay, the ignition switch and the ignition relay are changed at the same time. On the basis of the technical scheme, preferably, the power supply main switch comprises a plurality of auxiliary contacts, the first contact set comprises a first auxiliary contact and a second auxiliary contact, the first auxiliary contact is electrically connected with the second auxiliary contact, the first auxiliary contact is also electrically connected with a ground wire, the second contact set comprises a third auxiliary contact and a fourth auxiliary contact, the third auxiliary contact is electrically connected with a fourth auxiliary contact, the third auxiliary contact is also electrically connected with KL30 signals, and the fourth auxiliary contact is electrically connected with the ignition switch. Preferably, the power supply main switch comprises a first closing gear and a first opening gear, a plurality of auxiliary contacts are mutually disconnected under the first closing gear, the first auxiliary contacts are communicated with the second auxiliary contacts under the first opening gear, and the third auxiliary contacts are communicated with the fourth auxiliary contacts. Further preferably, one end of the coil of the main power electromagnetic relay is electrically connected with the second contact, the other end of the coil of the main power electromagnetic relay is electrically connected with the positive electrode of the energy storage battery, one end of the contact of the main power electromagnetic relay is electrically connected with the positive electrode of the energy storage battery, the other end of the contact of the main power electromagnetic relay is used as a power signal output end and is also electrically connected with the input end of the DC-DC converter, and the negative electro