CN211809116U - Charging structure and electric automobile - Google Patents

Abstract

The utility model provides a charging structure and an electric vehicle. The charging structure includes: a charging box, the charging box has a magnetic sensor; a magnetic cover, the magnetic cover can be opened and closed on the charging box, and when the magnetic sensor detects the magnetic cover, it emits a signal that the cover is closed, and when the magnetic sensor does not detect the magnetic cover Transmits the uncapped in place signal. The utility model solves the problem of forgetting to cover the charging seat cover of the electric vehicle in the prior art.

Description

Charging structures and electric vehicles

technical field

The utility model relates to the technical field of new energy vehicle equipment, in particular to a charging structure and an electric vehicle.

Background technique

The current charging base on the market does not have a sensor to detect the opening and closing status of the charging base cover. When using the charging base, the charging base cover is often lost or forgotten to be closed. After the cover is lost or forgotten, rainwater can easily enter the charging base. internal damage to the battery. The charging base cover on the market has a flip cover or a structure that is pulled out after being clamped by hand. The charging base is worn out and upgraded. The general replacement method is to remove and replace it together with the high-voltage wire harness terminal. There are also replacements. It can only be replaced under the condition that the technical state remains unchanged. The high-voltage wire harness terminal of the charging base requires more space for wiring.

For the charging base, it is impossible to detect the opening and closing state of the charging base cover, and there is no structure to hold the charging base cover by hand and pull it out. The charging base cannot be realized after the state changes: keep the high-voltage wire harness terminal and replace it. In addition, the high-voltage wire harness terminal of the charging base requires a large space for wiring.

That is to say, the electric vehicle in the prior art has the problem of forgetting to cover the cover of the charging base.

Utility model content

The main purpose of the utility model is to provide a charging structure and an electric vehicle, so as to solve the problem of forgetting the cover of the charging seat in the electric vehicle in the prior art.

In order to achieve the above purpose, according to one aspect of the present utility model, a charging structure is provided, comprising: a charging box, the charging box has a magnetic sensor; a magnetic cover, the magnetic cover can be opened and closed on the charging box, and the magnetic sensor detects When the magnetic cover is reached, it emits a cover closed position signal, and when the magnetic sensor does not detect the magnetic cover, it emits an unclosed position signal.

Further, the magnetic cover further includes a handle structure, and the handle structure is located on the top surface of the magnetic cover.

Further, the magnetic cover further includes a handle piece, and the handle piece is fixed on the top surface of the main body of the magnetic cover to form a handle structure; or the magnetic cover has a groove, the notch of the groove communicates with the top surface of the magnetic cover, and at least A part is located below the top surface of the magnetic cover, and the notch of the groove and the top surface located above the groove form a handle structure.

Further, the charging box includes: a charging base, on which the magnetic cover is arranged; a junction box, the junction box has a protruding section, and the protruding section has a through hole, and the end of the charging base away from the magnetic cover protrudes into the through hole, and the magnetic The sensor is located on the outer peripheral surface of the end of the protruding section close to the magnetic cover.

Further, there is a copper bar in the charging base, and the junction box includes: a main body, the main body has an accommodating space; a protruding section, the protruding section extends from one side of the main body, and the through hole communicates with the accommodating space; the high-voltage wire harness terminal, One end of the high-voltage wire harness terminal extends into the accommodating space and is connected to the copper bar.

Further, the junction box further includes a spacer, and the copper bar is fixed on the spacer to form a fixed support for the copper bar.

Further, the junction box further includes a cover body, and the cover body is detachably covered on the body.

Further, the charging base includes: a base body, one end of the base body has a charging head; a stop flange, the stop flange is located at one end of the base body close to the charging head and is spaced from the end face of the charging head, so as to be on the outer periphery of the charging head A connecting flange is formed, and the magnetic cover is capped on the connecting flange and has an interference fit with the connecting flange.

Further, the charging structure further includes a baffle, the baffle has a through hole, and the stop flange and the magnetic sensor protrude through the through hole.

According to another aspect of the present invention, an electric vehicle is provided, which includes the above charging structure.

Applying the technical scheme of the present utility model, the charging structure includes a charging box and a magnetic cover, the charging box has a magnetic sensor; the magnetic cover can be opened and closed on the charging box; When the sensor does not detect the magnetic cover, it emits an unclosed signal.

By arranging the magnetic sensor and the magnetic cover on the charging structure, the magnetic sensor can detect the magnetism of the magnetic cover. The magnetic sensor is arranged on the charging box, and the magnetic cover can be detected only after the magnetic cover and the charging box cover are in place. At this time, the magnetic sensor transmits a signal of the closing of the cover, indicating to the user that the charging structure has been closed. When the magnetic cover and the charging box are not closed in place, the magnetic sensor cannot detect the magnetic cover. At this time, the magnetic sensor transmits a signal of not being closed in place to remind the user that the charging structure is not closed properly. This arrangement can prevent the user from forgetting to cover the cover, thereby preventing external rainwater from entering the charging structure, reducing damage to the charging structure and increasing the service life of the charging structure. At the same time, it also avoids the occurrence of leakage danger and reduces the potential safety hazard.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 shows a schematic diagram of the overall structure of a charging structure according to an optional embodiment of the present invention; and

Figure 2 shows the exploded view of Figure 1;

Figure 3 shows an angle view of the charging structure of Figure 1;

Fig. 4 shows the A-A view of Fig. 3;

FIG. 5 shows a view from another angle of the charging structure in FIG. 1;

Fig. 6 shows the B-B direction view of Fig. 5;

FIG. 7 shows a view from another angle of the charging structure in FIG. 1;

FIG. 8 shows a C-C view of FIG. 7 .

Wherein, the above-mentioned drawings include the following reference signs:

10, charging box; 11, magnetic sensor; 20, magnetic cover; 21, handle structure; 30, charging base; 31, copper bar; 32, base body; 321, charging head; 322, connecting flange; 33, stopper Flange; 40, junction box; 41, extension; 42, through hole; 43, body; 431, accommodating space; 44, high-voltage wire harness terminal; 45, spacer; 46, cover body; 50, baffle ; 51. Vias.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present utility model, unless otherwise stated, the directional words used such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the components themselves in the vertical direction. , vertical or gravitational direction; similarly, for ease of understanding and description, "inside and outside" refers to the inside and outside of the contour of each component itself, but the above-mentioned orientation words are not used to limit the present invention.

In order to solve the problem of forgetting the cover of the charging seat for electric vehicles in the prior art, the utility model provides a charging structure and an electric vehicle.

As shown in FIG. 1 to FIG. 8 , the charging structure includes a charging box 10 and a magnetic cover 20. The charging box 10 has a magnetic sensor 11; When the cover is closed at 20, a signal is emitted when the magnetic sensor 11 does not detect the magnetic cover 20.

By arranging the magnetic sensor 11 and the magnetic cover 20 on the charging structure, the magnetic sensor 11 can detect the magnetism of the magnetic cover 20 . The magnetic sensor 11 is arranged on the charging box 10, and the magnetic cover 20 can be detected after the magnetic cover 20 and the charging box 10 are closed in place. At this time, the magnetic sensor 11 transmits a closed-in-position signal to remind the user that the charging structure has been closed. . When the magnetic cover 20 and the charging box 10 are not closed in place, the magnetic sensor 11 cannot detect that the magnetic cover 20 is closed. At this time, the magnetic sensor 11 transmits an unclosed signal to remind the user that the charging structure is not closed properly. This arrangement can prevent the user from forgetting to cover the cover, thereby preventing external rainwater from entering the charging structure, reducing damage to the charging structure and increasing the service life of the charging structure. At the same time, it also avoids the occurrence of leakage danger and reduces the potential safety hazard.

As shown in FIG. 2 , the magnetic cover 20 further includes a handle structure 21 , and the handle structure 21 is located on the top surface of the magnetic cover 20 . The arrangement of the handle structure 21 is convenient for taking the magnetic cover 20, and at the same time, it is convenient to manually remove the magnetic cover 20 from the charging box 10, and it is convenient to manually fasten the magnetic cover 20 to the charging box 10, which greatly increases the number of the magnetic cover 20 and the charging box 10. The convenience of disassembly and assembly between the charging boxes 10.

It should be noted that the magnetic cover 20 is made of magnetic plastic material. The effective detection distance of the magnetic sensor 11 is in the range of 0 to 80 mm. Limiting the effective detection distance of the magnetic sensor 11 within the range of 0 to 80 mm can ensure that the magnetic sensor 11 can detect the magnetic cover 20 only after the magnetic cover 20 is closed in place, thereby increasing the detection accuracy of the magnetic sensor 11 .

Example 1

As shown in FIG. 2 , the magnetic cover 20 further includes a handle piece, and the handle piece is fixed on the top surface of the main body of the magnetic cover 20 to form a handle structure 21 . The magnetic cover 20 also includes a reinforcing rib, which connects the handle piece and the main body of the magnetic cover 20 to increase the strength of the handle piece, prevent the handle piece from being separated from the main body of the magnetic cover 20 , and increase the distance between the handle piece and the main body of the magnetic cover 20 . tightness of connection. This arrangement facilitates the user's hand to reach into the accommodating area between the handle piece and the main body, facilitates the user to exert force on the magnetic cover 20 , and increases the convenience of disassembly and assembly of the magnetic cover 20 .

In order to ensure the stability of the charging structure in use, the magnetic cover 20 has the properties of dustproof, waterproof and insulating, and is preferably injection-molded with a magnetic plastic structure.

As shown in FIG. 2 , the charging box 10 includes a charging base 30 and a junction box 40 . The magnetic cover 20 is covered on the charging base 30 ; The end away from the magnetic cover 20 protrudes into the through hole 42 , and the magnetic sensor 11 is located on the outer peripheral surface of the end of the protruding section 41 close to the magnetic cover 20 . A part of the charging base 30 extends into the junction box 40 , which can increase the tightness of the connection between the charging base 30 and the junction box 40 , and also increase the structural strength of the charging box 10 . The magnetic sensor 11 is disposed on the outer peripheral surface of one end of the protruding section 41 close to the magnetic cover 20 , so that the magnetic sensor 11 can detect the magnetic cover 20 . The charging base 30 is injection-molded with a plastic mold. The charging base 30 and the junction box 40 are detachably connected, and the charging base 30 can be replaced independently without replacing the junction box 40 .

It should be noted that, in this embodiment, the distance between the magnetic sensor 11 and the magnetic cover 20 fastened to the charging base 30 is about 30 mm.

As shown in FIG. 2, FIG. 6 and FIG. 8, the charging base 30 has a copper bar 31. The junction box 40 includes a main body 43, a protruding section 41 and a high-voltage wire harness terminal 44. The main body 43 has an accommodating space 431; the protruding section 41 protrudes from one side of the body 43 , the through hole 42 communicates with the accommodating space 431 ; The copper bar 31 can extend out of the through hole 42 into the accommodating space 431 and be connected to the high-voltage wire harness terminal 44 to provide power for the charging base 30 . Due to the detachable connection between the charging base 30 and the junction box 40, it is not necessary to replace the entire charging structure when replacing the charging base 30. It is only necessary to separate the charging base 30 from the junction box 40, while the main body 43 and the high-voltage wire tie terminal 44 does not have to be moved and replaced, which greatly saves the cost of use. The body 43 and the protruding section 41 are functionally required to be dust-proof and waterproof to prevent corrosion. It is preferably a 2mm stainless steel plate. It can ensure the machining accuracy of the mating part. It is welded and processed, and the surface is sprayed with plastic to strengthen the insulation.

It should be noted that the requirement for the charging base 30 is that the charging base 30 needs to be replaced after 10,000 times of plugging and unplugging, so as to ensure the safety of the use of the charging base 30 . However, the charging structure in the present application can quickly and conveniently replace the charging base 30 .

For the material requirements of the copper bar 31, it is required that the copper bar 31 can flow a current greater than 250A and has good anti-corrosion properties. Preferably, the copper bar 31 is made of red copper, and the copper content is greater than 99.9%, and the cross-sectional area of the copper bar 31 is greater than 100 square millimeters. It should be noted that the copper bar 31 includes a DC+ copper bar and a DC- copper bar.

For the requirements of the high-voltage wire tie terminal 44, it is required that the current that the high-voltage wire tie terminal 44 can pass is greater than 250A, and electromagnetic interference needs to be reduced, and a shielded wire or a crimp terminal can be selected. It should be noted that the high-voltage wire tie terminal 44 includes a DC+ high-voltage wire tie terminal and a DC-high-voltage wire tie terminal.

As shown in FIG. 2 , the junction box 40 further includes a spacer block 45 , and the copper bar 31 is fixed on the spacer block 45 to form a fixed support for the copper bar 31 . The copper bar 31 is connected to the spacer block 45 , and the high-voltage wire harness terminal 44 is connected to the copper bar 31 on the spacer block 45 with screws. The spacer 45 can support and fix the copper bar 31, so as to make the connection between the high-voltage wire tie terminal 44 and the copper bar 31 more stable, and increase the stability of the power supply between the high-voltage wire tie terminal 44 and the copper bar 31 sex. The spacer block 45 needs to be made of a material with good insulation and high strength (eg, white POM plastic), so as to ensure that the spacer block 45 can play a role of insulation and also has a good support function.

As shown in FIG. 2 , FIG. 4 to FIG. 6 , the junction box 40 further includes a cover body 46 , and the cover body 46 is detachably covered on the body 43 . The main body 43 is a structure with an opening at the upper end, and the cover body 46 can be arranged to block the main body 43 . The cover body 46 is detachably covered on the main body 43, and the connection between the copper bar 31 and the high-voltage wire harness terminal 44 can be operated only by opening the cover body 46, and the connection between the copper bar 31 and the high-voltage wire harness terminal 44 can be increased. Ease of disassembly. The arrangement of the junction box 40 can reduce the wiring space of the high-voltage wire harness terminal 44 , and can realize the replacement of the charging base 30 without moving the high-voltage wire harness terminal 44 .

It should be noted that the cover body 46 and the main body 43 need to have the functions of dustproof, waterproof and anti-corrosion, and can be disassembled and assembled for many times. The 2mm stainless steel plate is preferred, which can ensure the machining accuracy of the mating part. It is welded and processed, and the surface is sprayed with plastic to strengthen the insulation.

When assembling the charging structure, the copper bar 31 and the charging stand 30 are fixed together with screws, and then the charging stand 30 is inserted into the through hole 42 , and a part of the copper bar 31 extends into the accommodating space 431 and is connected to the spacer 45 , the high-voltage wire harness terminal 44 also extends into the accommodating space 431 through the hole structure to connect with the spacer 45 and the copper bar 31, install the cover 46, and fix the cover 46 on the body 43 with screws. When replacing the charging box 10 , take out the screws on the cover body 46 , take out the cover body 46 , remove the screws fixed on the high-voltage wire harness terminal 44 , and pull out the charging box 10 and the copper bar 31 . In this way, the wiring space of the high-voltage wiring harness in the charging box 10 can be reduced, and the charging box 10 can be replaced without moving the high-voltage wiring harness.

It should be noted that the main body 43 has a hole structure through which the high-voltage wire tie terminal 44 passes, so that the high-voltage wire tie terminal 44 may not be moved when the charging box 10 is disassembled.

As shown in FIG. 2 , the charging base 30 includes a base body 32 and a stop flange 33 , and one end of the base body 32 has a charging head 321 ; The end faces of the charging head 321 are arranged at intervals to form a connecting flange 322 on the outer periphery of the charging head 321 , and the magnetic cover 20 is covered on the connecting flange 322 and has an interference fit with the connecting flange 322 . The interference fit between the magnetic cover 20 and the connecting flange 322 can increase the tightness of the connection between the magnetic cover 20 and the connecting flange 322, so as to avoid the phenomenon that the magnetic cover 20 and the connecting flange 322 are automatically separated, and the interference fit is also convenient for users to open Or close the magnetic cover 20. The interference fit can ensure that the magnetic cover 20 is firmly assembled and is not easily loosened. The charging head 321 is adapted to the national standard charging gun, so that the charging head 321 has good versatility and is convenient for charging. The setting of the stop flange 33 can stop with the magnetic cover 20 to limit the distance that the seat body 32 can extend into the magnetic cover 20, under the condition that the magnetic cover 20 and the seat body 32 will not be automatically separated , and it is also convenient for the user to take off the magnetic cover 20 .

As shown in FIG. 2 , the charging structure further includes a baffle 50 having a through hole 51 through which the stop flange 33 and the magnetic sensor 11 protrude. The baffle 50 hides the magnetic sensor 11 and only exposes the charging head 321 to the outside, which prevents the magnetic sensor 11 from being affected when the magnetic cover 20 is disassembled and assembles, and increases the stability of the magnetic sensor 11 in use.

The electric vehicle includes the above-mentioned charging structure. In this way, the safety of the electric vehicle can be ensured, and the magnetic cover 20 is not easily lost, so as to ensure the stability of the electric vehicle in use. It can reduce the situation that the magnetic cover 20 is detached from the charging box 10 due to vibration during the driving of the electric vehicle, prevent dust and rain from entering the charging box 10, and increase the service life of the charging structure. During driving, once the magnetic cover 20 is detached from the charging box 10, the driver will be notified so that the magnetic cover 20 can be re-closed to reduce the loss of the magnetic cover 20.

Preferably, the above-mentioned charging structure is suitable for vehicles that use a single charging stand in the case of low power or low-rate charging.

Optionally, the distance between the conductive parts in the junction box 40 is more than 10 mm, which can reduce the generation of arcs and increase the stability of the junction box 40 in use.

Embodiment 2

The difference from the first embodiment is that the specific structure of the handle structure 21 is different.

In this embodiment, the magnetic cover 20 has a groove, the notch of the groove communicates with the top surface of the magnetic cover 20 , and at least a part of the groove is located below the top surface of the magnetic cover 20 , and the notch of the groove is connected to the top surface of the magnetic cover 20 . The top surface above the groove forms the handle structure 21 . This arrangement is convenient for the manufacture of the handle structure 21 , and the function is similar to that of the first embodiment, and will not be repeated here.

Obviously, the above-described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, acts, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A charging structure, comprising:

a charging cartridge (10), the charging cartridge (10) having a magnetic sensor (11);

the magnetic cover (20), the magnetic cover (20) can be covered on the charging box (10) in an opening and closing mode, the magnetic sensor (11) detects a signal that the cover is covered in place when the magnetic cover (20) is covered, and the magnetic sensor (11) does not detect a signal that the cover is not covered in place when the magnetic cover (20) is covered in place.

2. The charging structure according to claim 1, wherein the magnetic cover (20) further comprises a handle structure (21), the handle structure (21) being located on a top surface of the magnetic cover (20).

3. The charging structure according to claim 2,

the magnetic cover (20) further comprises a handle piece which is fixed on the top surface of the main body of the magnetic cover (20) to form the handle structure (21); or

The magnetic cover (20) has a recess, the notch of which communicates with the top surface of the magnetic cover (20) and at least a part of which is located below the top surface of the magnetic cover (20), the notch of which forms the handle structure (21) with the top surface located above the recess.

4. A charging structure according to any one of claims 1 to 3, wherein the charging box (10) comprises:

the magnetic cover (20) is covered on the charging seat (30);

the magnetic cover (20) is provided with a magnetic sensor (11), the magnetic sensor is arranged on the outer peripheral surface of one end, close to the magnetic cover (20), of the extending section (41), the connecting box (40) is provided with the extending section (41), the extending section (41) is provided with a through hole (42), one end, far away from the magnetic cover (20), of the charging seat (30) extends into the through hole (42), and the magnetic sensor is arranged on the outer peripheral surface of one end, close to the magnetic cover (20), of the.

5. The charging structure according to claim 4, characterized in that the charging dock (30) has a copper bar (31) therein, and the junction box (40) comprises:

a body (43), the body (43) having an accommodating space (431);

the protruding section (41), the protruding section (41) protrudes from one side of the body (43), and the through hole (42) is communicated with the accommodating space (431);

and one end of the high-voltage harness terminal (44) extends into the accommodating space (431) and is connected with the copper bar (31).

6. The structure according to claim 5, characterized in that said terminal box (40) further comprises a spacer (45), said copper bar (31) being fixed on said spacer (45) to form a fixed support for said copper bar (31).

7. The charging structure according to claim 5, wherein the junction box (40) further comprises a cover (46), and the cover (46) is detachably provided on the body (43).

8. A charging arrangement as claimed in claim 4, characterized in that the charging cradle (30) comprises:

the charging device comprises a base body (32), wherein one end of the base body (32) is provided with a charging head (321);

the stop flange (33), the stop flange (33) be located pedestal (32) are close to the one end of charging head (321) and with the terminal surface interval setting of charging head (321) to form connection flange (322) in the periphery of charging head (321), magnetism lid (20) lid is established connect flange (322) on and with connection flange (322) interference fit.

9. A charging arrangement according to claim 8, further comprising a shutter (50), the shutter (50) having a through hole (51), the stop flange (33) and the magnetic sensor (11) protruding through the through hole (51).

10. An electric vehicle characterized by comprising the charging structure of any one of claims 1 to 9.

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