CN201385627Y

CN201385627Y - Vehicle-mounted power controller

Info

Publication number: CN201385627Y
Application number: CN200920102261U
Authority: CN
Inventors: 宁海涛
Original assignee: Hebei Puhua Technology Co Ltd
Current assignee: Hebei Puhua Technology Co Ltd
Priority date: 2009-04-09
Filing date: 2009-04-09
Publication date: 2010-01-20
Anticipated expiration: 2019-04-09

Abstract

The utility model relates to a vehicle-mounted power controller which is applicable to auto electric equipment, particularly be matched with a vehicle-mounted central control host for use. The vehicle-mounted power controller consists of a +12V5A control circuit and a +12V60A control circuit, wherein the +12V5A control circuit consists of a first switching circuit, a control circuit for turning on and a control circuit for turning off; and the +12V60A control circuit consists of a second switching circuit and an on-off control circuit. The beneficial effects are as follows: the vehicle-mounted power controller is matched with the vehicle-mounted central control host for use, and can automatically complete the automatic control on the power of the vehicle-mounted electric equipment; the powers of the large power equipment and the small power equipment are controlled respectively; and after the vehicle-mounted central control host is powered off, the powers of all police equipment are turned off thoroughly, and the problem of power consumption due to the standby of the police equipment is solved.

Description

The vehicle power controller

Technical field

The utility model relates to a kind of vehicle power controller, is applicable to auto electric equipment, especially with the supporting use of vehicle-mounted middle control main frame.

Background technology

Vehicle power controller commonly used generally realizes that by contact switch the contact switch mechanical breakdown is more, and contact switch easily produces spark on the other hand, influence service life, in addition, contact switch is a M/C, the automatically controlled requirement of inapplicable vehicle-mounted middle control main frame.

Summary of the invention

Technical problem to be solved in the utility model provides the matching used vehicle power controller of a kind of and vehicle-mounted middle control main frame.

The technical scheme that its technical matters that solves the utility model adopts:

The utility model by+12V 5A control circuit ,+12V 60A control circuit forms;

Described+12V 5A control circuit by first switch circuit, connect control circuit, switch off control circuit and form; The power supply termination storage battery of first switch circuit+the 12V end, an input termination of first switch circuit is connected the mouth of control circuit, the mouth of its another input end on/off control circuit; The input termination car key switch of described connection control circuit, the power supply termination storage battery of described connection control circuit+the 12V end, a mouth of main control system during the described input termination that switches off control circuit is vehicle-mounted; First switch circuit+the vehicle-mounted middle power end of controlling main frame, switching off control circuit of 12V 5A output termination; First switch circuit+12V 5A output termination connect control circuit from the lock control power end;

Described+12V 60A control circuit is made up of second switch circuit, on-off control circuit; The power supply termination storage battery of described second switch circuit+the 12V end, the input end of second switch circuit is connected the mouth of disconnected control circuit, another mouth of control main frame during the input termination of on-off control circuit is vehicle-mounted; The power supply termination storage battery of described on-off control circuit+the 12V end; The second switch circuit+receive a crime report the respectively power end in lamp and radio station of 12V 60A mouth.

The beneficial effects of the utility model be with vehicle-mounted in control main frame supporting use can finish automatic guidance automatically to the vehicle mounted electrical apparatus device power supply (DPS); And the power supply to large and small power apparatus is controlled respectively; After the shutdown of control main frame, all alert power supply with equipment thoroughly turn-offs in vehicle-mounted, has solved alert with device standby power consumption problem.

Description of drawings

Fig. 1 is a functional block diagram of the present utility model.

Fig. 2 is schematic circuit diagram of the present utility model.

The specific embodiment

By the embodiment shown in Fig. 1,2 as can be known, it by+12V 5A control circuit ,+12V 60A control circuit forms;

First switch circuit in described+12V 5A control circuit is made up of field effect transistor M4, resistance R 6, zener diode DW, diode D1; The source S of field effect transistor M4 connects storage battery+12V end, and the drain D of field effect transistor M4 is+12V 5A mouth; The drain D of a termination field effect transistor M4 after zener diode DW, diode D1, resistance R 6 series connection;

Connection control circuit in described+12V 5A control circuit is made up of transistor N2, resistance R 7-R8, capacitor C 2; The collecting electrode of transistor N2 connects the grid G of field effect transistor M4, transistor is that the collecting electrode of N2 connects storage battery+12V end through resistance R 7, the base stage of transistor N2 connects ACC gear in the car key switch through resistance R 8, and the base stage of transistor N2 connects the drain D of field effect transistor M4 successively through resistance R 6, diode D1, zener diode DW; The grounded emitter of transistor N2, capacitor C 2 are connected between described ACC gear and the ground;

Switching off control circuit in described+12V 5A control circuit is made up of transistor N3, resistance R 9, capacitor C 3; The collecting electrode of transistor N3 connects the drain D of field effect transistor M4 successively through resistance R 6, diode D1, zener diode DW, the base of transistor N3 through resistance R 9 connect vehicle-mounted in the control main frame signal output part Z1, the grounded emitter of transistor N3, capacitor C 3 are connected between described signal output part Z1 and the ground.

Second switch circuit in described+12V 60A control circuit is made up of field effect transistor M1-M3, the resistance R 1-R3 of three parallel connections; Connect after the source S parallel connection of field effect transistor M1-M3 storage battery+12V end, be+12V 60A mouth that the end of resistance R 1-R3 connects the grid G of field effect transistor M1-M3 respectively, their other end parallel connection after the drain D parallel connection of field effect transistor M1-M3;

On-off control circuit in described+12V 60A control circuit is made up of transistor N1, resistance R 4-R5, heat effect resistance R T, capacitor C 1; The parallel connected end of the collecting electrode connecting resistance R1-R3 of transistor N1, transistor is that the collecting electrode of N1 connects storage battery+12V end through resistance R 4, the base stage of transistor N1 through resistance R 5 connect vehicle-mounted in another signal output part Z2 of main control system, the emitter of transistor N1 is imitated resistance R T ground connection through heat, and capacitor C 1 is connected between the emitter of described signal output part Z2 and transistor N1.

Working process of the present utility model following (referring to Fig. 1,2):

1 ,+working process of 12V 5A control circuit

(1) provide+12V 5A power supply for control main frame in vehicle-mounted:

At first automobile key switch is received the ACC gear, transistor N2 conducting, field effect transistor M4 conducting, storage battery+12V voltage through field effect transistor M4 in vehicle-mounted the control main frame 12V is provided voltage; Simultaneously also provide the self-locking operating voltage for transistor N2; Also provide operating voltage for transistor N3.

(2) turn-off vehicle-mounted in the control main frame+12V 5A power supply:

When the output signal Z1 of vehicle-mounted middle control main frame is high level, transistor N3 conducting, transistor N2 ends, and field effect transistor M4 ends, and+12V 5A output is turned off.

2 ,+working process of 12V 60A control circuit:

(1) provide+12V 60A voltage for warning lamp and radio station:

When the output signal Z2 of control main frame is high level in vehicle-mounted, transistor N1 conducting, field effect transistor M1-M3 conducting in parallel, its mouth provides+12V 60A power supply for warning lamp and radio station.

(2) when needs close+during 12V 60A power supply, vehicle-mounted in the output signal Z2 of control main frame be low level, transistor N1 ends, field effect transistor M1-M ends, thereby shutoffs+12V 60A voltage is exported.

3, heat is imitated the effect of resistance R T:

When the temperature rise of this power-supply controller of electric was higher than 85 ℃, the resistance that heat is imitated resistance R T increased rapidly, and field effect transistor M1-M3 is ended, and plays a protective role.

Claims

1, vehicle power controller, it is characterized in that it by+12V 5A control circuit ,+the 12V60A control circuit forms;

2, vehicle power controller according to claim 1 is characterized in that first switch circuit in described+12V5A control circuit is made up of field effect transistor M4, resistance R 6, zener diode DW, diode D1; The source S of field effect transistor M4 connects storage battery+12V end, and the drain D of field effect transistor M4 is+12V 5A mouth; The drain D of a termination field effect transistor M4 after zener diode DW, diode D1, resistance R 6 series connection;

3, vehicle power controller according to claim 2 is characterized in that the second switch circuit in described+12V60A control circuit is made up of field effect transistor M1-M3, the resistance R 1-R3 of three parallel connections; Connect after the source S parallel connection of field effect transistor M1-M3 storage battery+12V end, be+12V 60A mouth that the end of resistance R 1-R3 connects the grid G of field effect transistor M1-M3 respectively, their other end parallel connection after the drain D parallel connection of field effect transistor M1-M3;