CN211089225U

CN211089225U - Power-off protection device for vehicle-mounted equipment

Info

Publication number: CN211089225U
Application number: CN201922471530.5U
Authority: CN
Inventors: 张建渝
Original assignee: Shenzhen Guomai Intelligent Technology Co ltd
Current assignee: Shenzhen Guomai Intelligent Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-24
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a power-off protection device for vehicle-mounted equipment, which comprises a main body shell, wherein an outer edge electric cabinet is embedded in the whole surface part of the main body shell, an installation positioning buckle is embedded in one side of the middle part of the surface of the outer edge electric cabinet, a main control switch and a micro-gap switch are embedded in the middle part of the surface of the outer edge electric cabinet in parallel, working indicator lamps are embedded in the surfaces of the main control switch and the micro-gap switch, and a switch buckle is arranged between the main control switch and the outer edge electric cabinet. The actual working condition of the equipment can be observed in real time, and the condition that the equipment is damaged but not known is avoided.

Description

Power-off protection device for vehicle-mounted equipment

Technical Field

The utility model relates to an automobile-used electrical accessories field especially relates to a power protection devices for mobile unit.

Background

Present mobile unit may lose mobile power supply's power supply in the twinkling of an eye at vehicle ignition, power supply unit takes from the ACC power supply and also may lead to mobile unit system outage in the twinkling of an eye, system outage may lead to equipment to damage or data loss, bring the loss, consequently, system protection problem can all be considered to on-vehicle embedded equipment when the design, traditional method adopts backup battery to add on system power supply, adopt backup battery can occupy great position and with high costs, backup battery's whole damage resistance ability and mobile power supply do not have the promotion simultaneously, the operating condition of current protective apparatus itself can not be observed by simple simultaneously, in case body equipment damages, the user also can not timely understanding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the power-off protection device for mobile unit who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a power-off protection device for mobile unit, includes main body cover, main body cover's whole portion gomphosis in surface has outer edge electric cabinet, outer edge electric cabinet's surperficial middle part one side gomphosis has the installation location to buckle, outer parallel gomphosis in surface middle part along the electric cabinet has master control switch and micro-gap switch, the equal gomphosis in master control switch and micro-gap switch's surface has the work pilot lamp, master control switch and outer edge are equipped with the switch buckle between the electric cabinet, main body cover's top surface gomphosis has the auxiliary positioning buckle, main body cover's positive top is seted up and the gomphosis has the electricity connection port, main body cover's positive bottom gomphosis has bottom fixing bolt.

As a further description of the above technical solution:

Main body cover's inner chamber top and bottom are equipped with main capacitor and reserve capacitor respectively, and adopt parallel connection between main capacitor and the reserve capacitor to electric series has the resistance between main capacitor and the parallel wire of reserve capacitor, the homopolar electric connection of positive negative pole of reserve capacitor and main capacitor has power supply, the series circuit that power supply and main capacitor formed does not include the resistance, includes resistance in the series circuit that forms between power supply and the reserve capacitor.

As a further description of the above technical solution:

The main capacitor, the spare capacitor and the power supply are connected in parallel with load equipment, and the load equipment is vehicle-mounted weak-current electrical equipment.

As a further description of the above technical solution:

The electric connection port adopts a three-phase interface, adopts a pure copper buckle type threaded interface and is embedded in a groove on the top of the surface of the main body shell.

As a further description of the above technical solution:

The auxiliary positioning buckle is a spring buckle, the cross section of an inlet port of the auxiliary positioning buckle is conical, the auxiliary positioning buckle is internally provided with a stepped buckle, the surface of the auxiliary positioning buckle is covered with a plastic cover plate, and the cover plate is connected with a groove on the surface of the top of the main shell through a buckle.

As a further description of the above technical solution:

The switch buckle adopts the spring buckle to adopt the round pin hub connection between switch buckle and master switch and the main part shell.

The utility model discloses following beneficial effect has:

1. The utility model adopts the installation form of parallel connection of double capacitors, improves the whole damage resistance of the whole equipment, avoids the condition that the work of the whole equipment is interrupted due to the damage of a single part, and can further reduce the power-off interruption time of the vehicle-mounted electrical equipment and avoid the damage of the equipment by adopting the double parallel capacitors;

2. The utility model discloses there is the pilot lamp in master control switch and micro-gap switch's surperficial gomphosis, and the actual behavior that can real-time observation equipment avoids equipment to damage and the condition of not knowing.

Drawings

Fig. 1 is an isometric view of a power-off protection device for a vehicle-mounted device according to the present invention;

Fig. 2 is a front view of a power-off protection device for a vehicle-mounted device according to the present invention;

Fig. 3 is a partial structure diagram of an internal cross-section of a power-off protection device for a vehicle-mounted device according to the present invention;

Fig. 4 is a simplified circuit diagram of a power-off protection device for a vehicle-mounted device provided by the present invention.

Illustration of the drawings:

1. A main body housing; 2. a master switch; 3. a switch buckle; 4. a bottom fixing bolt; 5. an outer edge electric cabinet; 6. installing a positioning buckle; 7. a work indicator light; 8. a microswitch; 9. an electrical connection port; 10. auxiliary positioning buckles; 11. a main capacitor; 12. a backup capacitor; 13. a power source; 14. a load device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a power-off protection device for vehicle-mounted equipment comprises a main body shell 1, an outer edge electric cabinet 5 is embedded in the whole surface of the main body shell 1, an installation positioning buckle 6 is embedded in one side of the middle of the surface of the outer edge electric cabinet 5, a main control switch 2 and a micro switch 8 are embedded in the middle of the surface of the outer edge electric cabinet 5 in parallel, a work indicator lamp 7 is embedded in the surfaces of the main control switch 2 and the micro switch 8, a switch buckle 3 is arranged between the main control switch 2 and the outer edge electric cabinet 5, the switch buckle 3 adopts a spring buckle, the switch buckle 3, the main control switch 2 and the main body shell 1 are connected through a pin shaft, an auxiliary positioning buckle 10 is embedded in the top surface of the main body shell 1, the auxiliary positioning buckle 10 adopts a spring buckle, the cross section of an inlet port of the auxiliary positioning buckle 10 is conical, and the inside of the auxiliary positioning buckle, the surface of the auxiliary positioning buckle 10 is covered with a plastic cover plate, the cover plate is connected with a groove on the top surface of the main body shell 1 by a buckle, the top of the front surface of the main body shell 1 is provided with an electric connection port 9 in an embedded mode, the electric connection port 9 adopts a three-phase interface, the electric connection port 9 adopts a pure copper buckle type threaded interface, the electric connection port 9 is embedded in the groove on the top surface of the main body shell 1, the bottom fixing bolt 4 is embedded in the bottom of the front surface of the main body shell 1, the top and the bottom of the inner cavity of the main body shell 1 are respectively provided with a main capacitor 11 and a spare capacitor 12, the main capacitor 11, the spare capacitor 12 and a power supply 13 are connected in parallel with a load device 14, the load device 14 is a vehicle-mounted weak current electric appliance, the main capacitor 11 and the spare capacitor 12 are connected in parallel, a resistor is electrically connected in series between parallel leads of the main capacitor 11 and the spare capacitor 12, the series circuit formed by the power source 13 and the main capacitor 11 does not include a resistor, and the series circuit formed between the power source 13 and the backup capacitor 12 includes a resistor.

The working principle is as follows: when the utility model is used, the whole equipment is clamped on the corresponding station of the automobile through the auxiliary positioning buckle 10, then the whole equipment is fixedly arranged on the corresponding position of the automobile through the bottom fixing bolt 4, then the power supply of the equipment is switched on, the power is supplied through the power supply 13, then the main control switch 2 and the micro switch 8 are switched on, whether the equipment runs or not is observed through the working indicator lamp 7 embedded on the surfaces of the main control switch 2 and the micro switch 8, the main capacitor 11 and the standby capacitor 12 supply power to the vehicle-mounted electrical equipment for a short time under the condition of sudden power failure, the damage of the equipment caused by the instantaneous power failure of the vehicle-mounted equipment is avoided, meanwhile, the standby capacitor 12 increases the anti-damage capability of the whole equipment, the working condition of the body equipment can be directly observed through the working indicator lamp 7 embedded on the surfaces of the main control switch 2 and the, the damage of the body equipment is avoided and is not known.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A power-off protection device for vehicle-mounted equipment comprises a main body shell (1), and is characterized in that: the utility model discloses a main body cover's (1) surface, including main body cover, electric cabinet, outer edge electric cabinet (5) surface middle part one side gomphosis have installation location to buckle (6), outer edge electric cabinet (5) surface middle part parallel gomphosis have main control switch (2) and micro-gap switch (8), the equal gomphosis in surface of main control switch (2) and micro-gap switch (8) has work pilot lamp (7), main control switch (2) and outer edge are equipped with switch buckle (3) between electric cabinet (5), the top surface gomphosis of main body cover (1) has auxiliary positioning buckle (10), the positive top of main body cover (1) is seted up and the gomphosis has and connects electric port (9), the positive bottom gomphosis of main body cover (1) has bottom fixing bolt (4).

2. A power-off protection device for vehicle-mounted equipment according to claim 1, characterized in that: main body cover's (1) inner chamber top and bottom are equipped with main capacitor (11) and reserve capacitor (12) respectively, and adopt parallel connection between main capacitor (11) and reserve capacitor (12) to electric series has resistance between the parallel wire of main capacitor (11) and reserve capacitor (12), the homopolar electric connection of positive negative pole of reserve capacitor (12) and main capacitor (11) has power supply (13), the series circuit that power supply (13) and main capacitor (11) formed does not include resistance, includes resistance in the series circuit that forms between power supply (13) and reserve capacitor (12).

3. A power-off protection device for vehicle-mounted equipment according to claim 2, characterized in that: the main capacitor (11), the spare capacitor (12) and the power supply (13) are connected in parallel with a load device (14), and the load device (14) is a vehicle-mounted weak-current electric appliance device.

4. A power-off protection device for vehicle-mounted equipment according to claim 1, characterized in that: connect electric port (9) and adopt the three-phase interface, and connect electric port (9) and adopt pure copper buckle formula screw thread interface to connect electric port (9) embedded in the surperficial top recess of main part shell (1).

5. A power-off protection device for vehicle-mounted equipment according to claim 1, characterized in that: the auxiliary positioning buckle (10) is a spring buckle, the cross section of an inlet port of the auxiliary positioning buckle (10) is conical, the auxiliary positioning buckle (10) is a stepped buckle, a plastic cover plate covers the surface of the auxiliary positioning buckle (10), and the cover plate is connected with a groove on the surface of the top of the main body shell (1) through a buckle.

6. A power-off protection device for vehicle-mounted equipment according to claim 1, characterized in that: the switch buckle (3) is a spring buckle, and the switch buckle (3), the main control switch (2) and the main body shell (1) are connected through a pin shaft.