CN201159129Y

CN201159129Y - Start motor protector for car

Info

Publication number: CN201159129Y
Application number: CNU2008200893389U
Authority: CN
Inventors: 赵金
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-29
Filing date: 2008-02-29
Publication date: 2008-12-03
Anticipated expiration: 2018-02-28

Abstract

A car starting motor protector relates to a protecting device for a car starting motor, which is used to resolve the problem that starting the existing car starting motors without starting protectors is easy to severely abrade gears and gear rings. Two ends of a delay turn-off circuit of the protecting device are respectively connected with a second end of an ignition switch and a first end of a relay coil of a turn-on close relay, a second end of the relay coil is earthed, a static contact of the turn-on close relay and a first contact of a solenoid switch are connected with the positive electrode of a power supply, a traveling contact of the turn-on close relay is connected with a first end of a current limiting resistance, both a second end of the current limiting resistance and the positive electrode end of the power supply are connected with a second contact of the solenoid switch, and the power negative electrode end of the motor is earthed. The starting motor of the protecting device is controlled by the delay turn-off circuit, which can effectively avoid abrasion caused by incomplete mesh of starting gears and gear rings, prolong service life of gears and gear rings, and can be widely applied to the existing car starting devices.

Description

The automobile starting motor protector

Technical field

The utility model relates to a kind of protective gear of automobile starting motor.

Background technique

Existing automobile starting motor major part does not all have special starting guard equipment; in vehicle starting; often be under the situation that the starting gear that is connected with the actuating motor output shaft also is not able to do in time to mesh fully with gear ring; starter motor has just begun high speed rotating; this makes starting gear and the contacted end face of gear ring because the wearing and tearing that engagement not exclusively causes are more serious, and then has shortened the working life of starting gear and gear ring greatly.

The model utility content

The utility model provides a kind of automobile starting motor protector for solving existing automobile starting motor not having to start the problem that causes gear and gear ring serious wear easily under the situation of starting guard equipment.The utility model comprises ignition switch 1 and the actuating motor of being made up of motor 2-1 and magnetic switch 2-2 2; first end of ignition switch 1 is connected with positive source; first end of the electromagnetic coil 2-2-1 of magnetic switch 2-2 is connected with second end of ignition switch 1; second end of electromagnetic coil 2-2-1 is connected with power supply ground; the utility model also comprises protector 3; protector 3 comprises time-delay disconnecting circuit 3-1; energising closing relay 3-2 and current-limiting resistance 3-3; the two ends of time-delay disconnecting circuit 3-1 are connected with second end of ignition switch 1 and first end of the relay coil 3-2-1 of energising closing relay 3-2 respectively; the second end ground connection of relay coil 3-2-1; the stationary contact of energising closing relay 3-2 and first contact of magnetic switch 2-2 all are connected with positive source; the movable contact of energising closing relay 3-2 is connected with first end of current-limiting resistance 3-3; the power positive end of second end of current-limiting resistance 3-3 and the motor 2-1 of actuating motor 2 all is connected with second contact of magnetic switch 2-2, the power cathode end ground connection of motor 2-1.

Beneficial effect: the transient starting motor slow-speed that the utility model is connected in ignition switch, and by time-delay disconnecting circuit control break-make, actuating motor begins normal rotation after starting gear and gear ring mesh fully, can prevent existing starting gear and gear ring effectively because the wear problem that engagement not exclusively causes, prolonged the working life of starting gear and gear ring, can be widely applied in the existing vehicle starting device.

Description of drawings

Fig. 1 is an overall structure schematic representation of the present utility model; Fig. 2 is the structural representation of time-delay disconnecting circuit 3-1.

Embodiment

Embodiment one: referring to Fig. 1; present embodiment is by ignition switch 1; actuating motor 2 and protector 3 are formed; actuating motor 2 is made up of motor 2-1 and magnetic switch 2-2; first end of ignition switch 1 is connected with positive source; the two ends of the electromagnetic coil 2-2-1 of magnetic switch 2-2 are connected with power supply ground with second end of ignition switch 1 respectively; protector 3 comprises time-delay disconnecting circuit 3-1; energising closing relay 3-2 and current-limiting resistance 3-3; the two ends of time-delay disconnecting circuit 3-1 are connected with second end of ignition switch 1 and first end of the relay coil 3-2-1 of energising closing relay 3-2 respectively; the second end ground connection of relay coil 3-2-1; the stationary contact of energising closing relay 3-2 and first contact of magnetic switch 2-2 all are connected with positive source; the movable contact of energising closing relay 3-2 is connected with first end of current-limiting resistance 3-3; the power positive end of second end of current-limiting resistance 3-3 and the motor 2-1 of actuating motor 2 all is connected with second contact of magnetic switch 2-2, the power cathode end ground connection of motor 2-1.

When vehicle starting, ignition switch 1 closure has electric current to pass through among the electromagnetic coil 2-2-1, if gear and gear ring be engagement fully, owing to damping spring is fixed, then magnetic switch 2-2 can not conducting, and the disconnecting circuit 3-1 that delays time this moment is on state, energising closing relay 3-2 closure; The ON time of time-delay disconnecting circuit 3-1 had only about 1 second, because the current-limiting resistance 3-3 that connects in the current supply circuit, in this process, there is little electric current to pass through in the current supply circuit of actuating motor 2, actuating motor 2 slow-speeds, make gear and gear ring normal engaged, magnetic switch 2-2 conducting after the normal engaged, actuating motor 2 normal startings.It is 2878704 the identical actuating motor structure of model utility that the vehicle starting protective gear of present embodiment has adopted with publication number when using.

Embodiment two: referring to Fig. 1, present embodiment has increased buzzer 3-4 on the basis of embodiment one, and described buzzer 3-4 is connected between second end and power supply ground of current-limiting resistance 3-3, and described buzzer 3-4 can be arranged in the operator cabin.

End that the positive pole of the buzzer 3-4 that present embodiment increases can be connected with current-limiting resistance 3-3 and energising closing relay 3-2 or the end connection that is connected with magnetic switch 2-2 with current-limiting resistance 3-3.In vehicle starting, the motor 2-1 rotation time buzzer 3-4 that is actuating motor 2 reports to the police, prompting driver starter motor main frame 2 is being worked, and after vehicle starting, motor 2-1 should stop the rotation, buzzer 3-4 also stops to report to the police, if abnormal conditions appear in automobile in starting process, promptly after vehicle starting, when motor 2-1 still continues to rotate, buzzer 3-4 still continues to report to the police, the prompting driver.

Embodiment three: referring to Fig. 2, present embodiment and embodiment one or twos' difference is that described time-delay disconnecting circuit 3-1 is by electric capacity E1, a plurality of resistance and form by the Darlington transistor T that two triodes are formed, first resistance R 1 and second resistance R 2 are connected between the input end and power supply ground of time-delay disconnecting circuit 3-1, the tie point of described first resistance R 1 and second resistance R 2 is connected with the positive terminal of described electric capacity E1, the negative pole end of described electric capacity E1 respectively with the base stage of described Darlington transistor T, one end of the 3rd resistance R 3 connects, the other end of described the 3rd resistance R 3 is connected with power supply ground, the collector electrode of described Darlington transistor T is the input end of time-delay disconnecting circuit 3-1, and the emitter of described Darlington transistor T is the output terminal of time-delay disconnecting circuit 3-1.

When the moment of ignition switch 1 closure, Darlington transistor T conducting in the present embodiment, power supply is provided for the energising closing relay 3-2 that is connected with its emitter, after the electric capacity E1 that is connected with the base stage of Darlington transistor T in the present embodiment is full of electricity, Darlington transistor T disconnects, stop power supply, the disconnection of energising closing relay 3-2 to energising closing relay 3-2.Time-delay disconnecting circuit 3-1 in the present embodiment can also be made up of multiple circuit of delay function of can realizing such as general delay circuit, triode or field effect transistors, the break-make of the output terminal control triode of described general delay circuit.

Embodiment four, referring to Fig. 1, present embodiment has increased controller 4 and control relay 5 on embodiment one or two basis, first end of controller 4 is connected with second end of ignition switch 1, second end of controller 4 is connected with first end of control relay 5, second end of control relay 5 is connected with electromagnetic coil 2-2-1 with time-delay disconnecting circuit 3-1, the temperature sensing probe of controller 4 is arranged on the motor 2-1, the photosensitive sensing probe of controller 4 is arranged on the carbon brush position of motor 2-1, and the neutral terminal of controller 4 is connected with the neutral line of automobile current generator 6.

Controller 4 can be realized multichannel control function, when the carbon brush of motor 2-1 was struck sparks, the photosensitive sensing probe of controller 4 sent the information of carbon brush sparking to controller 4, and control relay 5 disconnects, electric current is zero in the current supply circuit of actuating motor 2, and actuating motor 2 stops the rotation; When the temperature of motor 2-1 was too high, the temperature sensing probe of controller 4 sent the temperature information of motor 2-1 to controller 4, and control relay 5 disconnects, and electric current is zero in the current supply circuit of actuating motor 2, and actuating motor 2 stops the rotation; When automobile current generator 6 was in running order, N sent neutral signal to controller 4 by neutral line control end, and control relay 5 disconnects that electric current is zero in the current supply circuit of actuating motors 2, and actuating motor 2 stops the rotation; When 1 current"on"time of ignition switch surpassed 5 seconds, controller 4 cut off the power supply automatically, and control relay 5 disconnects, and electric current is zero in the current supply circuit of actuating motor 2, and actuating motor 2 stops the rotation.

Claims

1; the automobile starting motor protector; it comprises ignition switch (1) and the actuating motor of being made up of motor (2-1) and magnetic switch (2-2) (2); first end of ignition switch (1) is connected with positive source; first end of the electromagnetic coil (2-2-1) of magnetic switch (2-2) is connected with second end of ignition switch (1); second end of electromagnetic coil (2-2-1) is connected with power supply ground; it is characterized in that it also comprises protector (3); protector (3) comprises time-delay disconnecting circuit (3-1); energising closing relay (3-2) and current-limiting resistance (3-3); the two ends of time-delay disconnecting circuit (3-1) are connected with second end of ignition switch (1) and first end of the relay coil (3-2-1) of energising closing relay (3-2) respectively; the second end ground connection of relay coil (3-2-1); the stationary contact of energising closing relay (3-2) and first contact of magnetic switch (2-2) all are connected with positive source; the movable contact of energising closing relay (3-2) is connected with first end of current-limiting resistance (3-3); the power positive end of the motor (2-1) of second end of current-limiting resistance (3-3) and actuating motor (2) all is connected with second contact of magnetic switch (2-2), the power cathode end ground connection of motor (2-1).

2, automobile starting motor protector according to claim 1 is characterized in that described protector (3) has increased buzzer (3-4), and described buzzer (3-4) is connected between second end and power supply ground of current-limiting resistance (3-3).

3; automobile starting motor protector according to claim 1 and 2; it is characterized in that described time-delay disconnecting circuit (3-1) is by electric capacity (E1); a plurality of resistance and the Darlington transistor of being made up of two triodes (T) are formed; first resistance (R1) and second resistance (R2) are connected between the input end and power supply ground of time-delay disconnecting circuit (3-1); the tie point of described first resistance (R1) and second resistance (R2) is connected with the positive terminal of described electric capacity (E1); the negative pole end of described electric capacity (E1) respectively with the base stage of described Darlington transistor (T); one end of the 3rd resistance (R3) connects; the other end of described the 3rd resistance (R3) is connected with power supply ground; the collector electrode of described Darlington transistor (T) is the input end of delay circuit (5), and the emitter of described Darlington transistor (T) is the output terminal of time-delay disconnecting circuit (3-1).

4; automobile starting motor protector according to claim 1 and 2; it is characterized in that it has increased controller (4) and control relay (5); first end of controller (4) is connected with second end of ignition switch (1); second end of controller (4) is connected with first end of control relay (5); second end of control relay (5) is connected with first end of relay coil (3-2-1) with electromagnetic coil (2-2-1); the temperature sensing probe of controller (4) is arranged on the motor (2-1); the photosensitive sensing probe of controller (4) is arranged on the carbon brush position of motor (2-1), and the neutral terminal of controller (4) is connected with the neutral line of automobile current generator (6).