CN210101375U

CN210101375U - Safety charging device for electric vehicle

Info

Publication number: CN210101375U
Application number: CN201920101147.8U
Authority: CN
Inventors: 周奇锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-02-21
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses an electric motor car safety charging device, including cabinet door main part and main switch panel, the surperficial level gomphosis of cabinet door main part has total accuse switch, the inner chamber middle part of cabinet door main part corresponds the position and is equipped with air switch, air switch's top is equipped with time relay, air switch's bottom is equipped with protection switch, peg graft on main switch panel's surface and have full electric switch. The utility model discloses in, adopt time relay to judge the charge time of circuit, avoid charging to the electric motor car storage battery for a long time, avoid the battery loss, adopt visual time relay simultaneously, can audio-visual observation charge time, the user can judge whether charge according to actual conditions, with the split type place of charging switch and charging panel, it is dangerous to produce when avoiding circuit trouble, increase full electric switch on charging panel, can avoid time relay not to arrive the time, and the storage battery is the continuation when full charges, guarantee the life of storage battery.

Description

Safety charging device for electric vehicle

Technical Field

The utility model relates to a daily battery charging outfit field especially relates to an electric motor car safety charging device.

Background

At present, lead-acid storage batteries are mostly adopted in electric vehicle storage batteries in China, and two types of storage batteries are generally used for charging: one is a two-stage charger, namely constant voltage charging is carried out firstly, and trickle charging is carried out after threshold voltage is reached; the other is a three-stage charger, namely constant-current charging and constant-voltage charging are carried out firstly, trickle charging is carried out after the constant-current charging and the constant-voltage charging are carried out to reach a threshold voltage, factors influencing the service life of the lead-acid storage battery are multiple, one of the main factors is battery overcharge, namely most of the storage batteries are not used but are 'charged badly', and although the charger is used for carrying out float charging to the rear, the long-time float charging is very harmful to the storage battery, so that electric energy is wasted, and the electrode of the storage battery is easily damaged.

When the existing electric vehicle is charged, people use the vehicle in daytime and charge at night, and people can be fully charged with the vehicle to get up to pull down a power plug at night, long-time overcharge causes the storage battery to generate heat, so that the storage battery shell deforms and the evaporation of electrolyte in the storage battery is accelerated, the service life of the battery is shortened, and long-time charging is easy to cause fire.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safe charging device for an electric vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an electric motor car safety charging device, includes cabinet door main part and main switch panel, the surperficial level gomphosis of cabinet door main part has total control switch, the inner chamber middle part of cabinet door main part corresponds the position and is equipped with air switch, air switch's top is equipped with time relay, air switch's bottom is equipped with protection switch, it has full electric switch to peg graft on main switch panel's surface.

As a further description of the above technical solution:

the surface of the cabinet door main body is parallelly embedded with a starting switch and a power-off switch at one side of the master control switch, a switch lockset is fixedly embedded at one side of the surface of the cabinet door main body, the back of the cabinet door main body is hinged with a distribution box main body, a rainproof cover plate is bolted at the top of the distribution box main body, and a fixed sealing plate is arranged in the middle of the surface of the power-on end block.

As a further description of the above technical solution:

the time relay is characterized in that a time detection screen is arranged at the top of the time relay, the time detection screen is an LED or a liquid crystal display screen, and the maximum display time of the time detection screen is nine hours.

As a further description of the above technical solution:

the full-charge switch is characterized in that an electric plug-in interface is embedded in the middle of the surface of the full-charge switch, a charging display lamp is arranged on one side of the surface of the full-charge switch, and the electric plug-in interface adopts an arc two-pin socket.

As a further description of the above technical solution:

LED display lamps are fixedly embedded in the inner cavities of the power-off switch and the starting switch, and the surfaces of the power-off switch and the starting switch are hard plastic transparent covers.

As a further description of the above technical solution:

the circuit system of the charging device comprises a relay KM1, a time relay KJ, an opening button SB1 and a stop button SB 2.

Advantageous effects

1. The utility model discloses in, adopt time relay to judge the charge time of circuit, avoid charging to the electric motor car storage battery for a long time, avoid the battery loss, adopt visual time relay simultaneously, can the audio-visual observation charge time, the user can judge whether to charge according to actual conditions;

2. in the utility model, the charging switch and the charging panel are arranged in a split way, so that the equipment is prevented from being concentrated together, and danger is avoided when a circuit fails;

3. the utility model discloses in, increase full electric switch on the panel that charges, can avoid time relay not to arrive the time, and the storage battery sustainability charging injury storage battery when full guarantees the life of storage battery.

Principle of operation

When the charging equipment for the electric vehicle is used, the whole equipment is assembled, a power supply is connected, an electric vehicle plug is inserted into a plug interface, a master control switch with proper number is selected on a distribution box according to the number of a socket, the main switch panel is powered on, the power-on work of a full-power switch is realized at the same time, under the condition that the electric vehicle plug is inserted, a charging display lamp can display different lamp beads according to the actual lighting of a storage battery, a red lamp is displayed when the electric vehicle is in power failure, a green lamp is displayed after the electric vehicle is fully charged, the power-off work of the full-power switch is realized, when the plug has a problem and is not powered on, a yellow lamp is displayed, a time relay can record charging time when the electric vehicle is charged, the working principle of a charging time control circuit is that after a starting button SB1 is started, a coil KM1 and the time relay KJ are automatically powered on, and a self, after the set time arrives the point, time relay KJ auto-power-off opens auto-lock contact SB simultaneously, stops to charge, and full electric switch detects the signal of telecommunication of electric motor car feedback simultaneously, judges the condition of charging to realize two judgments, guarantee safety.

Drawings

Fig. 1 is an external view of a safety charging device for an electric vehicle according to the present invention;

fig. 2 is an internal structure diagram of a safety charging device for an electric vehicle according to the present invention;

fig. 3 is a structure diagram of a socket of a safety charging device for an electric vehicle according to the present invention;

fig. 4 is a circuit diagram of the electric vehicle safety charging device according to the present invention.

Illustration of the drawings:

1. a cabinet door main body; 2. a distribution box main body; 3. switching on and off a lockset; 4. a power-off switch; 5. a rain-proof cover plate; 6. a master control switch; 7. starting a switch; 8. a time detection screen; 9. a time relay; 10. an air switch; 11. a protection switch; 12. fixing a sealing plate; 13. an electrical end block; 14. A main switch panel; 15. a full power switch; 16. an electrical interface is plugged; 17. and a charging display lamp.

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; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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, a safe charging device for an electric vehicle comprises a cabinet door main body 1 and a main switch panel 14, a main control switch 6 is horizontally embedded on the surface of the cabinet door main body 1, an air switch 10 is arranged at a corresponding position in the middle of an inner cavity of the cabinet door main body 1, a time relay 9 is arranged at the top of the air switch 10, a protection switch 11 is arranged at the bottom of the air switch 10, a full-charge switch 15 is inserted into the surface of the main switch panel 14, a surface switch is adopted to prevent the switch and a socket from being placed together, so as to improve safety margin, a starting switch 7 and a power-off switch 4 are embedded into the surface of the cabinet door main body 1 in parallel at one side of the main control switch 6, a switch lock 3 is embedded and fixed at one side of the surface of the cabinet door main body 1, a main body 2 is hinged to the back of the cabinet door main, adopt the flashing board, when avoiding outdoor use, the block terminal is intake, guarantees the safety of equipment.

The top of the time relay 9 is provided with a time detection screen 8, the time detection screen 8 adopts one of an LED or a liquid crystal display screen, the maximum display time of the time detection screen 8 is nine hours, better man-machine interaction performance is realized, intuitive time detection is provided for a user, an inserting electric interface 16 is embedded in the middle of the surface of the full-charge switch 15, a charging display lamp 17 is arranged on one side of the surface of the full-charge switch 15, the inserting electric interface 16 adopts an arc double-pin socket which is adapted to an electric vehicle socket on the market, better adaptability of the whole equipment is ensured at the same time, the arc pin can be adapted to more plug shapes, the adaptability is improved, the LED display lamps are fixed in the embedding of the inner cavities of the power-off switch 4 and the starting switch 7, the surfaces of the power-off switch 4 and the starting switch 7 are hard plastic transparent covers, the charging condition of the equipment can be intuitively observed, and a circuit system of the charging, Relay KJ, open button SB1 and stop button SB2, when using, behind the switch-on of SB1, KM1 and KJ circular telegram to realize charging, after KJ reached the settlement time, KM1 auto-lock stopped, realized charging and cut off.

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. The utility model provides an electric motor car safety charging device, includes cabinet door main part (1) and main switch panel (14), its characterized in that, the surperficial level gomphosis of cabinet door main part (1) has total accuse switch (6), the inner chamber middle part of cabinet door main part (1) corresponds the position and is equipped with air switch (10), the top of air switch (10) is equipped with time relay (9), the bottom of air switch (10) is equipped with protection switch (11), the surface grafting of main switch panel (14) has full electric switch (15).

2. The safe charging device for the electric vehicle according to claim 1, wherein a starting switch (7) and a power-off switch (4) are embedded in parallel on one side of a master control switch (6) on the surface of the cabinet door main body (1), a switch lock (3) is embedded and fixed on one side of the surface of the cabinet door main body (1), a distribution box main body (2) is hinged to the back of the cabinet door main body (1), a rainproof cover plate (5) is bolted to the top of the distribution box main body (2), and a fixed sealing plate (12) is arranged in the middle of the surface of a power connection end block (13).

3. The safety charging device for the electric vehicle as claimed in claim 1, wherein a time detection screen (8) is arranged on the top of the time relay (9), the time detection screen (8) is one of an LED or a liquid crystal display screen, and the maximum display time of the time detection screen (8) is nine hours.

4. The safety charging device for the electric vehicle as claimed in claim 1, wherein a plug-in interface (16) is embedded in the middle of the surface of the full-power switch (15), a charging display lamp (17) is arranged on one side of the surface of the full-power switch (15), and the plug-in interface (16) adopts an arc two-pin socket.

5. The safe charging device for the electric vehicle as claimed in claim 2, wherein the inner cavities of the power-off switch (4) and the starting switch (7) are embedded and fixed with LED display lamps, and the surfaces of the power-off switch (4) and the starting switch (7) are hard plastic transparent covers.

6. The safe charging device for electric vehicle as claimed in claim 1, wherein the circuit system of the charging device comprises relay KM1, time relay KJ, start button SB1 and stop button SB 2.