CN218021225U - Electric vehicle charger with automatic power-off function - Google Patents

Abstract

The utility model relates to an electric vehicle charging ware technical field just discloses an electric vehicle charging ware with auto-power-off function, comprises a box bod, the bottom fixedly connected with lid of box body, the last fixed surface of lid is connected with the module of charging, the top fixedly connected with connecting block of box body inner wall, the bottom fixedly connected with spring of connecting block, the first conducting block of bottom fixedly connected with of spring, the surface laminating of first conducting block is provided with first U-shaped board, first U-shaped board is located the left side of the module of charging. The utility model discloses a connecting block, spring, first conducting block, first U-shaped board, first empty core block, second conducting block, the empty core block of second, third conducting block and control module's cooperation makes the electric motor car accomplish the back charging, power cord and the module automatic disconnection that charges to prevent to lead to the battery desiccation to damage because of the long-time float of the battery in the electric motor car.

Description

Electric vehicle charger with automatic power-off function

Technical Field

The utility model relates to an electric vehicle charging ware technical field especially relates to an electric vehicle charging ware with auto-power-off function.

Background

The existing electric vehicle charger has no automatic power-off function in the process of charging the battery of the electric vehicle, and actually, the charging indicator lamp of the electric vehicle charger cannot automatically stop charging when being converted from the initial red lamp to the charging completed green lamp, but still can continuously output lower trickle current to the battery, although a small amount of trickle current can not generate too large influence in a short time, if the state is kept for a long time, the floating charging can be caused, and the serious water loss can be caused for a long time, so that the service life of the battery is influenced.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: at present, the electric vehicle charging ware does not all have the function of auto-power-off at the in-process to the battery charging of electric motor car, and then after the completion of charging, still can be to the lower trickle electricity of battery continuous output, if keep this state for a long time, can cause the float to charge to cause the battery to seriously lose water easily, and the electric motor car charging ware with auto-power-off function that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric vehicle charging ware with auto-power-off function, includes the box body, the bottom fixedly connected with lid of box body, the last fixed surface of lid is connected with the module that charges, the top fixedly connected with connecting block of box body inner wall, the bottom fixedly connected with spring of connecting block, the first conducting block of bottom fixedly connected with of spring, the surface laminating of first conducting block is provided with first U-shaped board, first U-shaped board is located the left side of the module that charges, the bottom of first U-shaped board is connected with the last fixed surface of lid, the first hollow block of left side fixedly connected with of first U-shaped board, the inner wall fixedly connected with second conducting block of first hollow block, the hollow block of right side fixedly connected with second conducting block of first U-shaped board, the hollow block of right side fixedly connected with second conducting block of second, the left side fixedly connected with control module of box body inner wall, first through-hole has been seted up in the left side of box body, the right side fixedly connected with third conducting block's left side and the left side contact of second conducting block respectively, the left side fixedly connected with control module of charging wire is connected with the wire through-hole and third conducting block, charging wire is connected with the control wire through-wire and the control wire through-wire, charging wire and third conducting block are connected with the control wire through-wire respectively.

Preferably, the control module includes the backup pad, the left side of backup pad and the left side fixed connection of the inner wall of box body, the bottom fixedly connected with electro-magnet of backup pad, the last fixed surface of backup pad is connected with control chip, the last fixed surface of backup pad is connected with current sensor, the bottom fixedly connected with spacing block of electro-magnet, control chip passes through the wire and is connected with electro-magnet, second conducting block and current sensor electricity respectively, current sensor passes through the wire and is connected with the third conducting block electricity.

Preferably, the number of the first U-shaped plates is two, and the two first U-shaped plates are symmetrically distributed by taking the first conductive block as a center.

Preferably, the electromagnet is positioned above the first conductive block, and the attraction force of the electromagnet on the first conductive block is greater than the elastic force of the spring.

Preferably, the bottom fixedly connected with second U-shaped plate of box body inner wall, the inner wall of second U-shaped plate and the bottom of box body inner wall all laminate and are provided with the slider, the inclined hole has been seted up to the inside of slider, the inner wall laminating of inclined hole is provided with the U-shaped post, the bottom of U-shaped post is connected with the last fixed surface of first conducting block, the last fixed surface of slider is connected with instructs the piece, the slide opening has been seted up to the upper surface of box body, the inner wall of slide opening and the surface contact who instructs the piece.

Preferably, the elastic force of the spring is larger than the sum of the gravity of the first conductive block and the U-shaped column.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a set up the connecting block, a spring, first conducting block, first U-shaped board, first hollow block, the second conducting block, the hollow block of second, third conducting block and control module, wherein, when the electric motor car charges and accomplishes, no current in the third conducting block, at this moment, cooperation through control chip and current sensor on the control module, open the electro-magnet, and through the suction of electro-magnet to first conducting block, make second conducting block and third conducting block all with first conducting block separation, at this moment, this charger stops to charge to the electric motor car, and then when the electric motor car accomplishes charging, the accessible connecting block, a spring, first conducting block, first U-shaped board, first hollow block, the second conducting block, the hollow block of second, the cooperation of third conducting block and control module, make power cord and the disconnection of charging module, thereby prevent to lead to the battery loss of water because of the long-time float of the battery in the electric motor car and fill and damage.

(2) The utility model discloses a set up second U-shaped plate, the slider, the inclined hole, the U-shaped post, instruct piece and slide opening, wherein, when first conducting block rebound, through the U-shaped post, the inclined hole, the cooperation of second U-shaped plate and slider, make and instruct the piece and remove right, at this moment, the user accessible instructs the piece in the position of slide opening, judge the state of charge of this charger, and then through the cooperation of second U-shaped plate, the slider, the inclined hole, the U-shaped post, instruct piece and slide opening, make the user can audio-visual state of charge who judges this charger.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

fig. 4 is a front view of the control module of the present invention;

fig. 5 is a schematic view of the box body of the present invention.

In the figure: 1. a box body; 2. a box cover; 3. a charging module; 4. connecting blocks; 5. a spring; 6. a first conductive block; 7. a first U-shaped plate; 8. a first hollow block; 9. a second conductive block; 10. a second hollow block; 11. a third conductive block; 12. a control module; 121. a support plate; 122. an electromagnet; 123. a control chip; 124. a current sensor; 125. an isolation block; 13. a first through hole; 14. a power line; 15. a second through hole; 16. a charging wire; 17. a second U-shaped plate; 18. a slider; 19. an inclined hole; 20. a U-shaped column; 21. an indication block; 22. and (4) a slide hole.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-5, an electric vehicle charger with an automatic power-off function comprises a box body 1, a box cover 2 is fixedly connected to the bottom of the box body 1, a charging module 3 is fixedly connected to the upper surface of the box cover 2, a connecting block 4 is fixedly connected to the top of the inner wall of the box body 1, a spring 5 is fixedly connected to the bottom of the connecting block 4, a first conductive block 6 is fixedly connected to the bottom of the spring 5, a first U-shaped plate 7 is attached to the surface of the first conductive block 6, the number of the first U-shaped plates 7 is two, and the two first U-shaped plates 7 are symmetrically distributed by taking the first conductive block 6 as the center, make first conducting block 6 only can reciprocate through first U-shaped plate 7, first U-shaped plate 7 is located the left side of the module of charging 3, the bottom of first U-shaped plate 7 is connected with the last fixed surface of lid 2, the first hollow block 8 of left side fixedly connected with of first U-shaped plate 7, the inner wall fixedly connected with second conducting block 9 of first hollow block 8, the hollow block 10 of right side fixedly connected with second of first U-shaped plate 7, the inner wall fixedly connected with third conducting block 11 of second hollow block 10, the left and right sides of first conducting block 6 contacts with the right side of second conducting block 9 and the left side of third conducting block 11 respectively, the left side fixedly connected with control module 12 of the inner wall of box body 1, first through-hole 13 has been seted up in the left side of box body 1, the inner wall fixedly connected with power cord 14 of first through-hole 13, second through-hole 15 has been seted up on the right side of box body 1, the inner wall fixedly connected with charging wire 16 of second through-hole 15, second conducting block 9 passes through the wire and is connected with power cord 14 and control module 12 electricity respectively, control module 12 passes through the wire and is connected with third conducting block 11 electricity, control module 12 is connected through the wire and charging wire, control module is connected with charging wire.

The control module 12 includes a support plate 121, the left side of the support plate 121 is fixedly connected to the left side of the inner wall of the box body 1, the bottom of the support plate 121 is fixedly connected to an electromagnet 122, the upper surface of the support plate 121 is fixedly connected to a control chip 123, the upper surface of the support plate 121 is fixedly connected to a current sensor 124, the bottom of the electromagnet 122 is fixedly connected to a spacer 125, the control chip 123 is electrically connected to the electromagnet 122, the second conductive block 9 and the current sensor 124 through wires, the current sensor 124 is electrically connected to the third conductive block 11 through wires, the current in the third conductive block 11 is monitored through the current sensor 124, the electromagnet 122 is located above the first conductive block 6, the attraction force of the electromagnet 122 to the first conductive block 6 is greater than the elastic force of the spring 5, when the electromagnet 122 is opened, the first conductive block 6 is moved upward through the attraction force of the electromagnet 122 to the first conductive block 6, and when the electromagnet 122 is closed, the first conductive block 6 is returned to the initial position through the spring 5.

Example two:

referring to fig. 1-5, a second U-shaped plate 17 is fixedly connected to the bottom of the inner wall of the box body 1, a slider 18 is arranged on the inner wall of the second U-shaped plate 17 and the bottom of the inner wall of the box body 1 in an attached manner, an inclined hole 19 is formed in the slider 18, a U-shaped column 20 is arranged on the inner wall of the inclined hole 19 in an attached manner, the bottom of the U-shaped column 20 is fixedly connected to the upper surface of the first conductive block 6, an indication block 21 is fixedly connected to the upper surface of the slider 18, a sliding hole 22 is formed in the upper surface of the box body 1, the inner wall of the sliding hole 22 contacts with the surface of the indication block 21, the elastic force of the spring 5 is greater than the sum of the gravity of the first conductive block 6 and the gravity of the U-shaped column 20, the second U-shaped plate 17, the slider 18, the inclined hole 19, the U-shaped column 20, the indication block 21 and the sliding hole 22 are arranged, when the first conductive block 6 moves upwards, the U-shaped column 20, the second U-shaped plate 17, the indication block 21 moves rightwards, and a user can judge the charging state of the charger by the second U-shaped plate 17, the inclined hole 22 and the slider 21.

The connecting block 4, the first U-shaped plate 7, the first hollow block 8, the second hollow block 10, the spacer block 125 and the U-shaped column 20 are all made of insulating plastic.

The utility model discloses in, when the user uses this charger, insert power cord 14 on the socket earlier, and insert charging wire 16 on the electric motor car, at this moment, charge to the battery on the electric motor car through this charger, when the battery is full of, no current in the third conducting block 11, at this moment, cooperation through control chip 123 and current sensor 124 on the control module 12, open electro-magnet 122, and through electro-magnet 122 to the suction of first conducting block 6, make second conducting block 9 and third conducting block 11 all separate with first conducting block 6, at this moment, this charger stops to charge to the electric motor car, when power cord 14 separates with the socket, because control chip 123 is in the outage state, and then make electro-magnet 122 close, and make second conducting block 9 and third conducting block 11 all contact with first conducting block 6 through spring 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (6)

1. The electric vehicle charger with the automatic power-off function comprises a box body (1) and is characterized in that a box cover (2) is fixedly connected to the bottom of the box body (1), a charging module (3) is fixedly connected to the upper surface of the box cover (2), a connecting block (4) is fixedly connected to the top of the inner wall of the box body (1), a spring (5) is fixedly connected to the bottom of the connecting block (4), a first conductive block (6) is fixedly connected to the bottom of the spring (5), a first U-shaped plate (7) is arranged on the surface of the first conductive block (6), the first U-shaped plate (7) is located on the left side of the charging module (3), the bottom of the first U-shaped plate (7) is fixedly connected to the upper surface of the box cover (2), a first hollow block (8) is fixedly connected to the left side of the first U-shaped plate (7), a second conductive block (9) is fixedly connected to the inner wall of the first hollow block (8), a second hollow block (10) is fixedly connected to the right side of the first U-shaped plate (7), a third hollow block (10) is connected to the inner wall of the second hollow block (11), and a left side of the third conductive block (11) is respectively connected to the left side of the third conductive block (11) and the left side of the third conductive block (11), first through-hole (13) have been seted up in the left side of box body (1), inner wall fixedly connected with power cord (14) of first through-hole (13), second through-hole (15) have been seted up on the right side of box body (1), inner wall fixedly connected with charging wire (16) of second through-hole (15), second conducting block (9) are connected with power cord (14) and control module (12) electricity respectively through the wire, control module (12) are connected with third conducting block (11) electricity through the wire, charging module (3) are connected with third conducting block (11) and charging wire (16) electricity respectively through the wire.

2. The electric vehicle charger with the automatic power-off function according to claim 1, wherein the control module (12) comprises a support plate (121), the left side of the support plate (121) is fixedly connected with the left side of the inner wall of the box body (1), the bottom of the support plate (121) is fixedly connected with an electromagnet (122), the upper surface of the support plate (121) is fixedly connected with a control chip (123), the upper surface of the support plate (121) is fixedly connected with a current sensor (124), the bottom of the electromagnet (122) is fixedly connected with an isolating block (125), the control chip (123) is respectively electrically connected with the electromagnet (122), the second conductive block (9) and the current sensor (124) through wires, and the current sensor (124) is electrically connected with the third conductive block (11) through wires.

3. The electric vehicle charger with the automatic power-off function as claimed in claim 1, wherein the number of the first U-shaped plates (7) is two, and the two first U-shaped plates (7) are symmetrically distributed with the first conductive block (6) as a center.

4. An electric vehicle charger with automatic power-off function as claimed in claim 2, wherein the electromagnet (122) is located above the first conductive block (6), and the attraction force of the electromagnet (122) to the first conductive block (6) is greater than the elastic force of the spring (5).

5. The electric vehicle charger with the automatic power-off function is characterized in that a second U-shaped plate (17) is fixedly connected to the bottom of the inner wall of the box body (1), a sliding block (18) is arranged on the inner wall of the second U-shaped plate (17) and the bottom of the inner wall of the box body (1) in a fit mode, an inclined hole (19) is formed in the sliding block (18), a U-shaped column (20) is arranged on the inner wall of the inclined hole (19) in a fit mode, the bottom of the U-shaped column (20) is fixedly connected with the upper surface of the first conductive block (6), an indication block (21) is fixedly connected to the upper surface of the sliding block (18), a sliding hole (22) is formed in the upper surface of the box body (1), and the inner wall of the sliding hole (22) is in contact with the surface of the indication block (21).

6. An electric vehicle charger with automatic power-off function as claimed in claim 5, wherein the elastic force of the spring (5) is greater than the sum of the gravity of the first conductive block (6) and the U-shaped column (20).

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