Anti-theft battery device of electric vehicle

Abstract

The utility model discloses an anti-theft battery device of an electric vehicle, which comprises a box body and a box cover, the inner bottom of the box body is elastically connected to the bottom of a battery holder through a plurality of springs, the battery holder comprises a flat plate and two vertical plates, the two vertical plates are respectively fixed on two sides of the flat plate, a pressure sensor is fixed on the inner wall of the box body, and an alarm is arranged outside the box body. A control panel is arranged at the bottom of the alarm, on one hand, the two sides of the battery are limited and fixed through the two limiting assemblies, the auxiliary anti-theft effect is achieved, on the other hand, if the battery is stolen and separated from the flat plate, the top of the vertical plate makes contact with the pressure sensor under the reset effect of the spring, and the pressure sensor senses signals and transmits the signals to the control panel; the control panel drives the alarm to give an alarm, the main anti-theft effect is achieved, the control panel is arranged at the bottom of the alarm in a hidden mode, a thief cannot find the control panel conveniently, a user can control the pressure sensor and the alarm to be closed through a corresponding switch on the control panel when necessary, and the battery can be disassembled, assembled and maintained conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of battery anti-theft, in particular to an anti-theft battery device for an electric vehicle. Background Art

[0002] With the rapid development of science and technology and people's increasing attention to the environment, most people refuse to drive private cars and instead ride electric bikes. Electric bike batteries are an important part of electric bikes, but because electric bike batteries are expensive, they are easily coveted by criminals.

[0003] The batteries in traditional electric vehicles are sealed and fixed with padlocks. Criminals can steal the batteries by violently destroying the outer casing protecting the batteries, or by destroying the padlocks. Violent means are simple and direct to steal batteries, which greatly increases the difficulty and cost of managing electric vehicles. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-theft battery device for electric vehicles to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-theft battery device for an electric vehicle, comprising a box body and a box cover, the box cover is buckled on the top of the box body, the inner bottom of the box body is elastically connected to the bottom of the battery holder by multiple springs, the battery holder has two limiting components to limit and fix the two sides of the battery, the battery holder comprises a flat plate and two vertical plates, the two vertical plates are respectively fixed on the two sides of the flat plate, a pressure sensor is fixed on the inner wall of the box body, an alarm is provided on the outside of the box body, two vertical poles are also provided at the bottom of the box body, the bottom ends of the vertical poles are fixed to the bottom of the box body, the top ends of the vertical poles extend into the bottom of the vertical plates, a control panel is provided at the bottom of the alarm, after the battery is detached from the flat plate, the battery holder contacts the pressure sensor under the action of the spring reset, the pressure sensor senses a signal and transmits it to the control panel, the control panel drives the alarm to sound an alarm, and a heat dissipation window is provided on the box body.

[0006] Preferably, the limiting assembly includes a plurality of cross bars and a movable seat, one end of the cross bar is fixedly connected to the inner side wall of the vertical plate, and the other end of the cross bar extends into the movable seat so that the movable seat can move laterally along the cross bar, and a slide groove is provided on the upper surface of the flat plate, and the bottom of the movable seat is slidably connected to the slide groove through a plurality of pulleys, and a locking screw is threadedly connected to the movable seat, and one end of the locking screw contacts the cross bar to limit and fix the movable seat and the cross bar.

[0007] Preferably, a heat dissipation fan is provided inside the box.

[0008] Preferably, the control panel is electrically connected to the pressure sensor, the alarm and the cooling fan, and a switch for controlling the opening and closing of the cooling fan and a switch for controlling the opening and closing of the pressure sensor and the alarm are provided on the control panel.

[0009] Preferably, a plurality of anti-slip protrusions are provided on the contact surface of the movable seat with the battery.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. This electric vehicle anti-theft battery device installs the battery in the box through the battery holder. The battery placed in the battery holder will drive the battery holder compression spring to sink to the bottom of the box. On the one hand, two limiting components are used to limit and fix the two sides of the battery respectively, which plays an auxiliary anti-theft role. When the limiting component is used, after the mobile seat moves along the slide groove to be in close contact with the battery, one end of the locking screw contacts the cross bar to limit and fix the mobile seat and the cross bar. On the other hand, if the battery is stolen and separated from the flat plate, the top of the vertical plate contacts the pressure sensor under the action of the spring reset, and the pressure sensor senses the signal transmitted to the control panel, and the control panel drives the alarm to sound, which plays a major anti-theft role.

[0012] 2. The control panel in this electric vehicle anti-theft battery device is hidden at the bottom of the alarm, which is not easy for thieves to find. When necessary, the user can control the pressure sensor and the alarm to be turned off through the corresponding switches on the control panel, which is convenient for disassembly and maintenance of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a sectional view of the overall structure of the utility model;

[0014] Figure 2 It is a top view of the limit assembly structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the external structure of the utility model.

[0016] In the accompanying drawings: 1. box body; 2. box cover; 3. spring; 4. battery holder; 5. limit assembly; 6. battery; 7. flat plate; 8. vertical plate; 9. cross bar; 10. movable seat; 11. slide groove; 12. pulley; 13. locking screw; 14. pressure sensor; 15. alarm; 16. vertical pole; 17. cooling fan; 18. control panel; 19. cooling window. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] Example: See Figure 1-3 The utility model provides a technical solution: an anti-theft battery device for electric vehicles, comprising a box body 1 and a box cover 2, the box cover 2 is buckled on the top of the box body 1, the bottom of the box body 1 is elastically connected to the bottom of the battery holder 4 through multiple springs 3, and the battery holder 4 is limited and fixed on both sides of the battery 6 by two limiting components 5, which plays an auxiliary anti-theft role. The battery holder 4 includes a flat plate 7 and two vertical plates 8, and the two vertical plates 8 are respectively fixed on both sides of the flat plate 7. A pressure sensor 14 is fixed on the inner wall of the box body 1, and an alarm 15 is arranged on the outside of the box body 1. Two vertical poles 16 are also arranged at the bottom of the box body 1, and the bottom of the vertical pole 16 is The end is fixed at the bottom of the box body 1, the top end of the vertical rod 16 extends into the bottom of the vertical plate 8, and the control panel 18 is hidden at the bottom of the alarm 15, which is not easy for thieves to find. When necessary, the user can control the pressure sensor 14 and the alarm 15 to be turned off through the corresponding switch on the control panel 18, which is convenient for disassembly and maintenance of the battery. After the battery 6 is separated from the flat plate 7, the battery holder 4 contacts the pressure sensor 14 under the reset action of the spring 3, and the pressure sensor 14 senses the signal and transmits it to the control panel 18. The control panel 18 drives the alarm 15 to sound an alarm, which plays a major anti-theft role. A heat dissipation window 19 is provided on the box body 1.

[0019] In this embodiment, the limiting assembly 5 includes a plurality of cross bars 9 and a movable seat 10, one end of the cross bar 9 is fixedly connected to the inner wall of the vertical plate 8, and the other end of the cross bar 9 extends into the movable seat 10 so that the movable seat 10 can move laterally along the cross bar 9. A slide groove 11 is provided on the upper surface of the flat plate 7, and the bottom of the movable seat 10 is slidably connected in the slide groove 11 through a plurality of pulleys 12. A locking screw 13 is threadedly connected to the movable seat 10, and one end of the locking screw 13 contacts the cross bar 9 to limit and fix the movable seat 10 and the cross bar 9.

[0020] In this embodiment, a heat dissipation fan 17 is provided inside the box body 1 , and heat is dissipated inside the box body 1 through the heat dissipation fan 17 and the heat dissipation window 16 .

[0021] In this embodiment, the control panel 18 is electrically connected to the pressure sensor 14, the alarm 15 and the cooling fan 17. The control panel 18 is provided with a switch for controlling the opening and closing of the cooling fan 17 and a switch for controlling the opening and closing of the pressure sensor 14 and the alarm 15. The model of the pressure sensor 14 is PT124G-111. When necessary, the user can control the pressure sensor 14 and the alarm 15 to be turned off through the corresponding switches on the control panel 18, so as to facilitate the disassembly and maintenance of the battery.

[0022] In this embodiment, a plurality of anti-slip protrusions are provided on the contact surface of the moving base 10 with the battery 6 to increase the friction between the moving base 10 and the battery 6 .

[0023] Working principle: This electric vehicle anti-theft battery device installs the battery 6 in the box body 1 through the battery holder 4. The battery 6 placed in the battery holder 4 will drive the battery holder 4 to compress the spring 3 and sink to the bottom of the box body 1. On the one hand, the two sides of the battery 6 are limited and fixed respectively through the two limit components 5, which plays an auxiliary anti-theft role. When the limit component 5 is used, the mobile seat 10 moves along the slide groove 11 to be in close contact with the battery 6, and then one end of the locking screw 13 contacts the cross bar 9 to limit and fix the mobile seat 10 and the cross bar 9. On the other hand, if the battery 6 is stolen and separated from the flat plate 7, the top of the vertical plate 8 contacts the pressure sensor 14 under the reset action of the spring 3, and the pressure sensor 14 transmits the sensing signal to the control panel 18. The control panel 18 drives the alarm 15 to alarm, which plays a major anti-theft role.

[0024] The control panel 18 is concealed at the bottom of the alarm 15, which is not easy for thieves to find. When necessary, the user can control the pressure sensor 14 and the alarm 15 to be turned off through the corresponding switches on the control panel 18, which is convenient for disassembly and maintenance of the battery.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An anti-theft battery device for an electric vehicle, comprising a box body (1) and a box cover (2), wherein the box cover (2) is buckled on the top of the box body (1), and is characterized in that: The bottom of the box (1) is elastically connected to the bottom of the battery holder (4) via a plurality of springs (3); the battery holder (4) has two limit assemblies (5) for respectively limiting and fixing the two sides of the battery (6); the battery holder (4) comprises a flat plate (7) and two vertical plates (8); the two vertical plates (8) are respectively fixed on the two sides of the flat plate (7); a pressure sensor (14) is fixed on the inner wall of the box (1); an alarm (15) is provided on the outside of the box (1); and two vertical poles (16) are also provided at the bottom of the box (1). The bottom end of the vertical rod (16) is fixed to the bottom of the box body (1), and the top end of the vertical rod (16) extends into the bottom of the vertical plate (8). A control panel (18) is provided at the bottom of the alarm (15). After the battery (6) is separated from the flat plate (7), the battery holder (4) contacts the pressure sensor (14) under the reset action of the spring (3). The pressure sensor (14) transmits a sensing signal to the control panel (18), and the control panel (18) drives the alarm (15) to sound an alarm. A heat dissipation window (19) is provided on the box body (1).

2. An anti-theft battery device for electric vehicles according to claim 1, characterized in that: The limiting assembly (5) comprises a plurality of cross bars (9) and a movable seat (10), one end of the cross bar (9) being fixedly connected to the inner side wall of the vertical plate (8), and the other end of the cross bar (9) extending into the movable seat (10) so that the movable seat (10) can move laterally along the cross bar (9), the upper surface of the flat plate (7) is provided with a slide groove (11), the bottom of the movable seat (10) is slidably connected to the slide groove (11) through a plurality of pulleys (12), and a locking screw (13) is threadedly connected to the movable seat (10), one end of the locking screw (13) contacts the cross bar (9) so as to limit and fix the movable seat (10) and the cross bar (9).

3. An anti-theft battery device for electric vehicles according to claim 2, characterized in that: A heat dissipation fan (17) is provided inside the box body (1).

4. The anti-theft battery device for electric vehicles according to claim 3, characterized in that: The control panel (18) is electrically connected to the pressure sensor (14), the alarm (15) and the cooling fan (17); the control panel (18) is provided with a switch for controlling the opening and closing of the cooling fan (17) and a switch for controlling the opening and closing of the pressure sensor (14) and the alarm (15).

5. The anti-theft battery device for electric vehicles according to claim 4, characterized in that: A plurality of anti-slip protrusions are provided on the contact surface of the movable seat (10) with the battery (6).

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