Novel safety early warning device of new energy automobile charging pile

Abstract

The utility model discloses a novel safety early warning device for a new energy automobile charging pile, which relates to the technical field of new energy automobiles and comprises a mounting mechanism, a current detection mechanism is fixedly connected to one side of an inner cavity of the mounting mechanism, and a voltage detection mechanism is arranged on the other side of the inner cavity of the mounting mechanism. The current detection mechanism comprises a first insulating seat, the top of the first insulating seat is fixedly connected with an iron core, the surface of the iron core is in lap joint with a coil, a guide sleeve is arranged above the iron core, and the inner wall of the guide sleeve is slidably connected with an iron-containing piece. According to the utility model, through the arrangement of the current detection mechanism and the voltage detection mechanism, current and voltage can be detected in real time when a new energy automobile is charged by the charging pile, and when the current is too large or the voltage is too large, the audible and visual alarm can give an alarm with light and sound at the same time. And fire and other accidents caused by overlarge current or overhigh voltage are avoided, so that the device is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile technical field, concretely relates to a novel safety early warning device of new energy automobile charging pile. BACKGROUND

[0002] New energy automobile refers to the automobile that adopts new type power system, and is driven by new type energy completely or mainly.

[0003] With the popularity of new energy vehicles, the number of charging piles is increasing, however, during the charging process, overvoltage, overcurrent and other safety problems may occur, these problems not only damage the charging pile and the automobile battery, but also may cause fire and other serious accidents, therefore, an effective safety warning device is needed to ensure the safety of the charging process. UTILITY MODEL CONTENT

[0004] The utility model provides a novel safety early warning device of new energy automobile charging pile to solve the problems in the prior art.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A novel safety early warning device of new energy automobile charging pile, including installation mechanism, the one side of installation mechanism inner chamber is fixedly connected with current detection mechanism, the other side of installation mechanism inner chamber is provided with voltage detection mechanism, the current detection mechanism includes first insulation seat, the top of first insulation seat is fixedly connected with the iron core, the surface of iron core is overlapped with the coil, the upper of iron core is provided with guide sleeve, the inner wall of guide sleeve is slidably connected with the iron-containing piece, the top of iron-containing piece is fixedly connected with spring, the side of iron-containing piece is fixedly connected with the pressing piece, the lower of pressing piece is provided with current warning switch, the bottom of current warning switch is fixedly connected with first fixed part.

[0007] The further improvement of the utility model technical scheme is that: the installation mechanism includes installation box and box cover, the front of installation box is inserted with the inner wall of box cover, the both sides of installation box are fixedly connected with the first wiring port and the second wiring port that are connected in series with the device in the power transmission line of new energy automobile charging pile, the side of first wiring port is fixedly connected with one end of coil.

[0008] The further improvement of the utility model technical scheme is that: the side of second wiring port is fixedly connected with contact block, the top of installation box is fixedly connected with audible and visual alarm, the audible and visual alarm is electrically connected with current warning switch.

[0009] The utility model discloses a further improvement in the technical scheme lies in that the top of the inner cavity of the mounting box is fixedly connected with the top of the guide sleeve, the top of the inner cavity of the mounting box is fixedly connected with the upper end of the spring, and the top of the inner cavity of the mounting box is fixedly connected with the top of the first fixing part.

[0010] The utility model discloses a further improvement in the technical scheme lies in that the voltage detection mechanism comprises a second insulating base, a metal piece is fixedly connected to the top of the second insulating base, one side of the metal piece is fixedly connected with the other end of the coil, an elastic metal sheet is fixedly connected to the top of the metal piece, and the elastic metal sheet is overlapped with the surface of the contact block on one side.

[0011] The utility model discloses a further improvement in the technical scheme lies in that the right side of the elastic metal sheet is provided with a voltage early warning switch, one side of the voltage early warning switch is fixedly connected with a second fixing part, one end of the second fixing part is fixedly connected with the inner wall of the mounting box, and the voltage early warning switch is electrically connected with another sound-light alarm.

[0012] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0013] The utility model provides a novel safety early warning device of new energy automobile charging pile, through the setting of current detection mechanism and voltage detection mechanism, can when charging pile charges new energy automobile, real -time detection is carried out to the current size and voltage size, when the current is too big or voltage is too big, can make sound -light alarm to light and sound alarm simultaneously, avoids the accident such as fire caused by too big current or voltage being too high, makes it more convenient to use. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the front view structure schematic drawing of the utility model;

[0015] Figure 2 It is the exploded structure schematic drawing of the utility model;

[0016] Figure 3 It is the mounting box internal structure schematic drawing of the utility model;

[0017] Figure 4 It is the Figure 3 It is the A place enlarged structure schematic drawing.

[0018] In the figure: 11, box cover; 12, installation box; 13, first wiring port; 14, second wiring port; 15, contact block; 16, audible and visual alarm; 21, first insulating seat; 22, iron core; 23, coil; 24, guide sleeve; 25, iron-containing piece; 26, spring; 27, pressing piece; 28, current early warning switch; 29, first fixing piece; 31, second insulating seat; 32, metal piece; 33, elastic metal sheet; 34, voltage early warning switch; 35, second fixing piece. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in connection with the embodiments as follows:

[0020] Embodiment 1

[0021] As Figures 1-4 shown, the utility model provides a new energy automobile charging pile's novel safety early warning device, including installation mechanism, its characterized in being that: one side of installation mechanism inner chamber is fixedly connected with current detection mechanism, and the other side of installation mechanism inner chamber is provided with voltage detection mechanism, and current detection mechanism includes first insulating seat 21, and the top of first insulating seat 21 is fixedly connected with iron core 22, and the surface of iron core 22 is overlapped with coil 23, and the top of iron core 22 is provided with guide sleeve 24, and the inner wall of guide sleeve 24 is slidably connected with iron-containing piece 25, and the top of iron-containing piece 25 is fixedly connected with spring 26, and one side of iron-containing piece 25 is fixedly connected with pressing piece 27, and the below of pressing piece 27 is provided with current early warning switch 28, and the bottom of current early warning switch 28 is fixedly connected with first fixing piece 29.

[0022] In this embodiment, the device is connected in series to the new energy automobile charging pile transmission line through the first wiring port 13 and the second wiring port 14, in the process of charging, the current passes through the coil 23, under the action of the magnetic field, the iron core 22 has magnetism, when the current is too large, the magnetism of the iron core 22 is enhanced, the iron-containing piece 25 is under the action of the magnetic force, overcomes the tension of the spring 26, and slides down along the guide sleeve 24, at the same time, the current early warning switch 28 is pressed through the pressing piece 27, so as to start the audible and visual alarm 16 and early warning.

[0023] Embodiment 2

[0024] As Figures 1-4As shown in the embodiment 1, the utility model provides a technical scheme based on the embodiment 1: preferably, the installation mechanism includes installation box 12 and box cover 11, the front of installation box 12 is inserted with the inner wall of box cover 11, the both sides of installation box 12 are fixedly connected with first wiring port 13 and second wiring port 14 that make the device series connection in new energy automobile charging pile transmission line, the side of first wiring port 13 is fixedly connected with one end of coil 23, the side of second wiring port 14 is fixedly connected with contact block 15, the top of installation box 12 is fixedly connected with audible and visual alarm 16, audible and visual alarm 16 is electrically connected with current early warning switch 28, the top of installation box 12 inner chamber is fixedly connected with the top of guide sleeve 24, the top of installation box 12 inner chamber is fixedly connected with spring 26 upper end, the top of installation box 12 inner chamber is fixedly connected with the top of first fixed part 29.

[0025] In the embodiment, through the current from first wiring port 13 into coil 23, along coil 23 into elastic sheet 33, through elastic sheet 33 into contact block 15, then from second wiring port 14 back to transmission line.

[0026] Embodiment 3

[0027] As Figures 1-4 As shown in the embodiment 1, the utility model provides a technical scheme based on the embodiment 1: preferably, the voltage detection mechanism includes second insulation seat 31, the top of second insulation seat 31 is fixedly connected with metal piece 32, the side of metal piece 32 is fixedly connected with the other end of coil 23, the top of metal piece 32 is fixedly connected with elastic sheet 33, the side of elastic sheet 33 is overlapped with the surface of contact block 15, the right of elastic sheet 33 is provided with voltage early warning switch 34, the side of voltage early warning switch 34 is fixedly connected with second fixed part 35, the end of second fixed part 35 is fixedly connected with the inner wall of installation box 12, voltage early warning switch 34 is electrically connected with another audible and visual alarm 16.

[0028] In the embodiment, through the voltage is too high, because resistance is invariable, elastic sheet 33 will produce deformation due to temperature rise, and bend to one side, and voltage early warning switch 34 is pressed at the same time, so as to start audible and visual alarm 16 and alarm, so that it can be charged to new energy automobile when charging pile, voltage and current anomaly early warning function, so that it is more convenient to use.

[0029] The working principle of the novel safety warning device of the new energy automobile charging pile will be described below.

[0030] As Figures 1-4As shown, in use, the device is connected in series to the power transmission line of the charging pile of the new energy vehicle through the first connecting port 13 and the second connecting port 14, in the charging process, the current passes through the coil 23, under the action of the magnetic field, the iron core 22 has magnetism, when the current is too large, the magnetism of the iron core 22 is enhanced, the iron-containing part 25 overcomes the tension of the spring 26 under the action of the magnetic force, slides down along the guide sleeve 24, at the same time, the current pre-warning switch 28 is pressed by the pressing part 27, thereby starting the sound and light alarm 16 to give a pre-warning, the current enters the elastic metal sheet 33 along the coil 23, enters the contact block 15 through the elastic metal sheet 33, and then returns to the power transmission line from the second connecting port 14, when the voltage is too high, the elastic metal sheet 33 will be deformed due to the temperature rise, bends to one side, and at the same time, the voltage pre-warning switch 34 is pressed, thereby starting the sound and light alarm 16 to give an alarm, so that the device can give a pre-warning for the abnormal voltage and current when the charging pile charges the new energy vehicle, and is more convenient to use.

[0031] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A new energy vehicle charging pile safety warning device, comprising a mounting mechanism, characterized in that: The side of the installation mechanism inner cavity is fixedly connected with a current detection mechanism, the other side of the installation mechanism inner cavity is provided with a voltage detection mechanism, the current detection mechanism includes a first insulating base (21), the top of the first insulating base (21) is fixedly connected with an iron core (22), the surface of the iron core (22) is overlapped with a coil (23), the upper side of the iron core (22) is provided with a guide sleeve (24), the inner wall of the guide sleeve (24) is slidably connected with an iron-containing part (25), the top of the iron-containing part (25) is fixedly connected with a spring (26), one side of the iron-containing part (25) is fixedly connected with a pressing part (27), the lower side of the pressing part (27) is provided with a current warning switch (28), the bottom of the current warning switch (28) is fixedly connected with a first fixing part (29). ​ 2. The new energy vehicle charging pile safety warning device according to claim 1, characterized in that: The installation mechanism includes a mounting box (12) and a box cover (11), the front of the mounting box (12) is inserted with the inner wall of the box cover (11), both sides of the mounting box (12) are fixedly connected with a first wiring port (13) and a second wiring port (14) for connecting the device in series with the new energy automobile charging pile power transmission line, one side of the first wiring port (13) is fixedly connected with one end of the coil (23).

3. The new energy vehicle charging pile safety warning device according to claim 2, characterized in that: One side of the second wiring port (14) is fixedly connected with a contact block (15), the top of the mounting box (12) is fixedly connected with a sound light alarm (16), the sound light alarm (16) is electrically connected with the current warning switch (28).

4. The new energy vehicle charging pile safety warning device according to claim 3, characterized in that: The top of the mounting box (12) inner cavity is fixedly connected with the top of the guide sleeve (24), the top of the mounting box (12) inner cavity is fixedly connected with the upper end of the spring (26), the top of the mounting box (12) inner cavity is fixedly connected with the top of the first fixing part (29).

5. The new energy vehicle charging pile safety warning device according to claim 1, characterized in that: The voltage detection mechanism includes a second insulating base (31), the top of the second insulating base (31) is fixedly connected with a metal part (32), one side of the metal part (32) is fixedly connected with the other end of the coil (23), the top of the metal part (32) is fixedly connected with an elastic metal sheet (33), one side of the elastic metal sheet (33) is overlapped with the surface of the contact block (15).

6. The new safety warning device of a new energy vehicle charging pile according to claim 5, characterized in that: The right side of the elastic metal sheet (33) is provided with a voltage warning switch (34), one side of the voltage warning switch (34) is fixedly connected with a second fixing part (35), one end of the second fixing part (35) is fixedly connected with the inner wall of the mounting box (12), the voltage warning switch (34) is electrically connected with another sound light alarm (16).

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