CN213782912U - Vehicle-mounted circuit short-circuit protection device - Google Patents

Vehicle-mounted circuit short-circuit protection device Download PDF

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Publication number
CN213782912U
CN213782912U CN202022611231.XU CN202022611231U CN213782912U CN 213782912 U CN213782912 U CN 213782912U CN 202022611231 U CN202022611231 U CN 202022611231U CN 213782912 U CN213782912 U CN 213782912U
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circuit
protection device
short
vehicle
circuit protection
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CN202022611231.XU
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Chinese (zh)
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候启成
吴彬
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Henan Ruishibao Electronic Technology Co ltd
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Henan Ruishibao Electronic Technology Co ltd
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Abstract

The utility model discloses an on-vehicle circuit short-circuit protection device, including the main casing body and stand-by battery, the surface mounting of the main casing body has the spring connecting wire, the telescopic tube has been cup jointed on the surface of spring connecting wire, telescopic tube's terminal surface mounting has the USB plug, and USB plug and telescopic tube terminal clearance department movable mounting have a connector, the internally mounted of the main casing body has the circuit substrate, and installs two protection circuit module on the circuit substrate relatively, USB socket is installed on the top of the main casing body, and the main casing body top surface of USB socket one side is provided with accomodates the groove. The utility model discloses a be provided with a series of structures for this vehicle mounted circuit short-circuit protection device can carry out short-circuit protection in the car outside under avoiding external equipment and car power direct contact condition, realizes the short-circuit protection to the car inside indirectly, and realizes the power standby effect, and in the time of portable, convenient to use, structural stability is strong.

Description

Vehicle-mounted circuit short-circuit protection device
Technical Field
The utility model relates to the technical field of auto-parts, specifically be an on-vehicle circuit short-circuit protection device.
Background
With the continuous popularization of automobiles, in order to meet the demands of more people, automobile manufacturers add a plurality of functions to automobiles, such as the most common USB (universal serial bus) socket, which can be conveniently connected with external equipment, particularly mobile phones, and the endurance problem of modern smart phones is a great use limitation because of the large electric energy consumption of the smart phones, and the USB socket on the automobiles can be used for charging the mobile phones, so that the problem of short endurance time is solved.
When the mobile phone is actually charged by using the automobile power supply, the influence cannot be caused under normal conditions, when external equipment such as the mobile phone is short-circuited with the vehicle-mounted battery due to reasons such as lines, the USB power supply IC can be damaged at a high probability, so that the USB function cannot be used, and even the internal power supply of the automobile is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an on-vehicle circuit short-circuit protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an on-vehicle circuit short-circuit protection device, includes the main casing body and installs the stand-by battery in the main casing body inside, the surface mounting of the main casing body has the spring coupling line, the telescopic tube has been cup jointed on the surface of spring coupling line, and telescopic tube's end and spring coupling line's terminal fixed connection, telescopic tube's end surface mounting has the USB plug, and USB plug and telescopic tube terminal clearance department movable mounting have the connector, the internally mounted of the main casing body has circuit substrate, and installs two protection circuit module on the circuit substrate relatively, USB socket is installed on the top of the main casing body, and the main casing body top surface of USB socket one side is provided with accomodates the groove.
Preferably, the surface of the main shell on one side of the telescopic sleeve is provided with an antiskid plate, and the surface of the antiskid plate is provided with an assembly plate.
Preferably, the bottom end of the main shell is provided with a sucker.
Preferably, the main shell surface below the telescopic sleeve is provided with a pipe clamp through a rotating shaft.
Preferably, the one end surface mounting of connector has the absorption pad, and the surface of absorption pad is provided with reserves the screw, and reserves the screw and extend the connector along spring connecting wire's direction.
Preferably, the surface of the circuit substrate is provided with a voltage acquisition module, and the surface of the inner wall of the receiving groove is provided with a buffer pad.
Preferably, the bottom of the standby battery is sleeved with a limiting seat, and the surface of the standby battery above the limiting seat is sleeved with a heat dissipation frame.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this on-vehicle short circuit protection device of circuit, through the main casing body, wholly be the columnar structure, can directly place in some specific areas of automobile body, inside the cell body of handrail case, the in-service use of being convenient for, through the sucking disc, adsorbable on the bottom inner wall of handrail case cell body, when forming spacing effect, under the condition that suffers outside vibrational force, receive the influence of sucking disc material, can play certain buffering shock attenuation effect, satisfy the in-service use demand, through the antiskid ribbed tile, for smooth surface, can support as the plane, place whole main casing body on the plane of automobile body, plane position department such as the appearance top, conveniently place, the coefficient of friction of antiskid ribbed tile is great, can realize certain anti-skidding effect.
2. This car carries short circuit protection device, through the USB plug, be connected with the power of car during the actual use, be different from prior art, can combine USB socket, can derive car internal electric energy and derive from USB socket, for external equipment provides the electric energy, such as cell-phone etc., can avoid external equipment direct connection car internal power, the power is no longer provided by the power IC of main circuit, can avoid directly influencing power IC under the condition of external parts short circuit, realize the short circuit protection effect to the car, and through installing two protection circuit module, two protection circuit module are used for spare use and commonly used in fact, can be under the condition that the short circuit takes place in positions such as external parts joint, and launch reserve protection circuit module, whole main casing internal circuit carries out short circuit protection, need not to cause the influence to car internal power.
3. This on-board circuit short-circuit protection device, through the spring coupling line, use as the power consumption circuit of USB plug, but the atress is tensile, form longer circuit, be convenient for under the condition of connecting power, the user can remove the device to far away scope, improve the convenience of in-service use scope and use, and use with the telescope tube combination, can protect the outside of spring coupling line, play the effect of adding the layer protection, avoid the outside to cause the destruction to the spring coupling line, produce the accident that the short circuit even opens circuit, through reserve battery, can be under the condition that the car does not start etc. lack the automobile power supply, can regard as reserve power supply, provide the electric energy for external equipment, increase the in-service use function.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the connection head of the present invention;
FIG. 3 is a schematic view of the top surface structure of the main housing of the present invention;
fig. 4 is a schematic view of the internal structure of the main housing of the present invention.
In the figure: 1. a connector; 2. an adsorption pad; 3. a telescopic sleeve; 4. assembling a plate; 5. an anti-skid plate; 6. a main housing; 7. a suction cup; 8. a USB plug; 9. a spring connecting wire; 10. reserving a screw hole; 11. a cushion pad; 12. a receiving groove; 13. a USB socket; 14. a heat dissipation frame; 15. a pipe clamp; 16. a circuit substrate; 17. a protection circuit module; 18. a voltage acquisition module; 19. a backup battery; 20. a limiting seat.
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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.
As shown in fig. 1 to 4, the on-board short circuit protection device of the present embodiment includes a main housing 6 and a backup battery 19 installed inside the main housing 6, the main housing 6 is similar to a cylinder in appearance and has a small and exquisite structure, the backup battery 19 is a general high-capacity lithium battery, and is further equipped with a basic charging/discharging and protection circuit, similar to a mobile power supply, and can be used as a backup power supply to provide power for external devices when the vehicle is not started or lacks a vehicle power supply, the spring connection wire 9 is installed on the surface of the main housing 6, and the spring connection wire 9 is spirally bent without being stressed, and has a small overall length, and is used as a main circuit for external power output inside the vehicle, the surface of the spring connection wire 9 is sleeved with a telescopic tube 3, which is actually a tube sleeve formed by folding and shrinking an elastic material, and can protect the spring connection wire 9, and the end of the telescopic tube 3 is fixedly connected with the end of the The telescopic tube 3 can be stretched synchronously, the surface hardness is larger because the telescopic tube 3 is in a folding form, thereby protecting and protecting the internal spring connecting wire 9, the surface of the tail end of the telescopic tube 3 is provided with the USB plug 8, the USB plug 8 is directly inserted into a socket carried by the automobile to form the electrifying operation, the gap between the USB plug 8 and the tail end of the telescopic tube 3 is movably provided with the connector 1, the connector 1 needs to be held by hand when the whole USB plug 8 is used, the surface of the connector 1 is larger, the main shell 6 is internally provided with the circuit substrate 16 for installing a control circuit and a plurality of circuit modules, the circuit substrate 16 is relatively provided with two protection circuit modules 17, when in actual use, the two protection circuit modules 17 are connected in parallel on the CPU of the circuit substrate 16 to form two parallel protection modules which can be protected during short circuit, the top end of the main shell 6 is provided with the USB socket 13, actually be a plurality of USB socket 13 distribution range, carry out electric connection with the CPU on the circuit substrate 16, can be connected with external equipment, use as the discharge port of whole device, and the main casing body 6 top surface of USB socket 13 one side is provided with accomodates groove 12, accomodates inside groove 12 extends to main casing body 6, and the inner space is great, can be used to place small-size parts such as cell-phone, accomodates the protection when the cell-phone charges to the cell-phone.
Specifically, the main casing body 6 surface mounting on one side of the telescopic tube 3 has the antiskid plate 5, and the antiskid plate 5 is a flat plate part, and the surface friction coefficient is great, can transversely place the plane region in the car at the whole main casing body 6 and use, plays the supporting effect, and the surface mounting of antiskid plate 5 has the assembly plate 4, and the assembly plate 4 upwards extends to the main casing body 6 surface to one side, plays certain 5 terminal supporting effects of antiskid plate.
Further, sucking disc 7 is installed to main casing body 6's bottom, and sucking disc 7 is software rubber material, and when main casing body 6 was placed perpendicularly, sucking disc 7 and plane contact and absorption formed spacing effect, and receive the influence of sucking disc 7 material, can realize certain shock attenuation effect.
Further, the surface of the main shell 6 below the telescopic tube 3 is provided with the tube clamp 15 through the rotating shaft, the tube clamp 15 is a metal clamp rotated by the rotating shaft, the telescopic tube 3 can be clamped by the tube clamp 15 under the condition that the device is not used, and the telescopic tube 3 is prevented from shaking and moving and is not beneficial to carrying.
Furthermore, an adsorption pad 2 is arranged on the surface of one end of the connector 1, the material of the adsorption pad 2 is different according to different actual conditions, when the outer side of the socket of the automobile is an iron part, the adsorption pad 2 can be made of non-conductive magnetic material, so that when the USB plug 8 is inserted into the automobile power supply, the adsorption pad 2 generates suction force to improve the connection stability of the whole USB plug 8, when the USB plug is a non-iron part, the adsorption pad 2 can be made of common bonding materials, adsorption and fixation are carried out by means of bonding, a reserved screw hole 10 is arranged on the surface of the adsorption pad 2, the reserved screw hole 10 extends out of the connector 1 along the direction of the spring connecting wire 9, in order to ensure the connection stability of the USB plug 8 and the automobile power supply socket, a screw hole can be simultaneously arranged on the outer side of the socket and matched with the reserved screw hole 10, a bolt and other parts can pass through, and the connection effect can be realized by means of bolt threads, the stability of the connecting structure is improved.
Further, the surface mounting of circuit substrate 16 has voltage acquisition module 18, the actual data foot with USB socket 13 of output of voltage acquisition module 18 is connected, can gather the output voltage signal of USB socket 13, still actually can be connected with a plurality of control assembly on circuit substrate 16, for example on-off control module, voltage comparison module etc. for to circuit protection, and the inner wall surface mounting who accomodates groove 12 has blotter 11, blotter 11 can select to make with the great soft rubber material of general coefficient of friction, when can cushioning equipment such as the cell-phone that gets into, increase surface friction, realize the effect of antiskid anti-channeling.
Furthermore, the bottom of the backup battery 19 is sleeved with a limiting seat 20, the top end of the limiting seat 20 is provided with a groove, the groove can be used for sleeving and limiting the bottom end of the backup battery 19, the limiting seat 20 can be made of a material with a buffering function if necessary, a certain shock absorption effect from bottom to top can be realized, the surface of the backup battery 19 above the limiting seat 20 is sleeved with a heat dissipation frame 14, the heat dissipation frame 14 is a metal heat dissipation plate frame and is a material with good heat dissipation performance and can extend to the inner wall of the main shell 6, and heat generated on the surface of the backup battery 29 is diffused on the surface of the main shell 6, so that the purpose of promoting heat dissipation is achieved.
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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a vehicle-mounted circuit short-circuit protection device which characterized in that: comprises a main shell (6) and a backup battery (19) arranged inside the main shell (6), a spring connecting wire (9) is arranged on the surface of the main shell (6), a telescopic sleeve (3) is sleeved on the surface of the spring connecting wire (9), and the tail end of the telescopic sleeve (3) is fixedly connected with the tail end of the spring connecting wire (9), the surface of the tail end of the telescopic sleeve (3) is provided with a USB plug (8), a connector (1) is movably arranged at the gap between the USB plug (8) and the tail end of the telescopic sleeve (3), a circuit substrate (16) is arranged inside the main shell (6), two protection circuit modules (17) are oppositely arranged on the circuit substrate (16), a USB socket (13) is arranged at the top end of the main shell (6), and the top end surface of the main shell (6) at one side of the USB socket (13) is provided with a containing groove (12).
2. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: the main casing body (6) surface mounting of telescopic tube (3) one side has antiskid ribbed tile (5), and the surface mounting of antiskid ribbed tile (5) has assembly plate (4).
3. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: and a sucker (7) is arranged at the bottom end of the main shell (6).
4. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: and a pipe clamp (15) is arranged on the surface of the main shell (6) below the telescopic sleeve (3) through a rotating shaft.
5. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: one end surface mounting of connector (1) has adsorption pad (2), and the surface of adsorption pad (2) is provided with reserves screw (10), and reserves screw (10) and extends connector (1) along the direction of spring connecting wire (9).
6. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: the surface of the circuit substrate (16) is provided with a voltage acquisition module (18), and the surface of the inner wall of the accommodating groove (12) is provided with a buffer pad (11).
7. The on-vehicle circuit short-circuit protection device according to claim 1, characterized in that: the bottom of the standby battery (19) is sleeved with a limiting seat (20), and the surface of the standby battery (19) above the limiting seat (20) is sleeved with a heat dissipation frame (14).
CN202022611231.XU 2020-11-12 2020-11-12 Vehicle-mounted circuit short-circuit protection device Active CN213782912U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022611231.XU CN213782912U (en) 2020-11-12 2020-11-12 Vehicle-mounted circuit short-circuit protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022611231.XU CN213782912U (en) 2020-11-12 2020-11-12 Vehicle-mounted circuit short-circuit protection device

Publications (1)

Publication Number Publication Date
CN213782912U true CN213782912U (en) 2021-07-23

Family

ID=76915592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022611231.XU Active CN213782912U (en) 2020-11-12 2020-11-12 Vehicle-mounted circuit short-circuit protection device

Country Status (1)

Country Link
CN (1) CN213782912U (en)

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