CN215771660U

CN215771660U - Intelligent plug, charger and electric vehicle

Info

Publication number: CN215771660U
Application number: CN202121657380.8U
Authority: CN
Inventors: 桂林; 成瀚; 郑健; 陈武
Original assignee: Gongniu Group Co Ltd
Current assignee: Gongniu Group Co Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-08
Anticipated expiration: 2031-07-20

Abstract

The utility model provides an intelligent plug, a charger and an electric vehicle, wherein the intelligent plug comprises a shell, a plug bracket, a monitoring assembly and a mounting bracket, wherein the shell is provided with a mounting groove; the plug support is connected with the shell, one part of the plug support is positioned in the mounting groove, and the other part of the plug support extends out of the mounting groove; the installing support sets up on plug support and is located the mounting groove, and the control subassembly sets up on the installing support. The utility model solves the problem that the temperature sensor in the intelligent plug of the charger in the prior art is arranged on the PCB board, so that the intelligent plug is difficult to process and manufacture.

Description

Intelligent plug, charger and electric vehicle

Technical Field

The utility model relates to the technical field of charging equipment, in particular to an intelligent plug, a charger and an electric vehicle.

Background

In the prior art, the temperature of an intelligent plug of the charger rises along with the charging of the electric vehicle by the charger, and the charger is burnt when the temperature is too high, or even the electric vehicle is burnt. Therefore, a temperature sensor is usually installed in the existing intelligent plug, the temperature of the intelligent plug is monitored in real time through the temperature sensor, and therefore a user can conveniently judge whether to continue charging according to the temperature fed back by the temperature sensor.

However, the existing temperature sensor is directly arranged on the PCB, so that the processing and manufacturing difficulty of the intelligent plug is increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an intelligent plug, a charger and an electric vehicle, and aims to solve the problem that the temperature sensor in the intelligent plug of the charger in the prior art is arranged on a PCB (printed circuit board) so that the intelligent plug is difficult to process and manufacture.

In order to achieve the above object, according to one aspect of the present invention, there is provided a smart plug including a housing, a plug bracket, a monitoring assembly, and a mounting bracket, wherein the housing has a mounting groove; the plug support is connected with the shell, one part of the plug support is positioned in the mounting groove, and the other part of the plug support extends out of the mounting groove; the installing support sets up on plug support and is located the mounting groove, and the control subassembly sets up on the installing support.

Further, the mounting bracket has a receiving groove where the monitoring component is fixed.

Furthermore, the mounting bracket comprises a first mounting section and a second mounting section which are connected, the first mounting section and the second mounting section are arranged in an included angle mode, the monitoring assembly comprises a plurality of monitoring elements, and at least one monitoring element is arranged on the first mounting section and the second mounting section respectively.

Furthermore, a plurality of control components include binding post and temperature sensor, and binding post sets up on first installation section and is used for monitoring whether plug support pegs graft with current converter, and temperature sensor sets up on the second installation section and is used for the temperature in the control mounting groove.

Furthermore, one end, far away from the second installation section, of the first installation section is provided with a first positioning structure, the wiring terminal is provided with a contact and a second positioning structure arranged at an interval with the contact, and the wiring terminal is positioned and installed on the first installation section through the cooperation of the first positioning structure and the second positioning structure.

Furthermore, the first mounting section is provided with a first sinking groove for accommodating the wiring terminal and a positioning ring for fixing the contact, and the first positioning structure is arranged in the first sinking groove.

Further, the second installation section has the heavy groove of second and spacing muscle that are used for holding temperature sensor, and the both ends of spacing muscle are connected with the notch of the heavy groove of second respectively to make and form the passageway that is used for spacing temperature sensor between the heavy groove of spacing muscle and second, and the surface of spacing muscle towards temperature sensor one side and temperature sensor's surface looks adaptation.

According to another aspect of the utility model, a charger is provided, comprising the intelligent plug.

Further, the charger still includes control box and the rifle that charges, control box, the rifle that charges and intelligent plug electric connection, and intelligent plug pegs graft with current converter, current converter and external power electric connection, control box are used for controlling the output current of the rifle that charges, and the rifle that charges is used for charging to waiting to charge the device.

According to another aspect of the present invention, there is provided an electric vehicle including a charger, the charger being one of the above and below.

By applying the technical scheme of the utility model, the intelligent plug with the monitoring component and the mounting bracket is provided, so that the monitoring component is arranged on the mounting bracket, the mounting bracket provided with the monitoring component is arranged on the plug bracket and is positioned in the mounting groove, the mounting reliability of the monitoring component is ensured, meanwhile, the reliable monitoring function of the monitoring component is ensured, the mounting bracket has a simple structure, is convenient to process and manufacture, the processing and manufacturing difficulty of the intelligent plug is greatly reduced, and the economical efficiency of a charger is favorably improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded view of a smart plug of a charger according to an alternative embodiment of the present invention;

FIG. 2 is a schematic diagram of the smart plug of FIG. 1 with the plug holder, monitoring assembly and cable in an assembled state;

FIG. 3 is a schematic diagram of the smart plug of FIG. 2 with the plug support and monitoring assembly in an assembled state;

FIG. 4 shows a schematic structural diagram of the monitoring assembly of FIG. 3;

fig. 5 shows a schematic view of the mounting bracket of the monitoring assembly of fig. 4.

Wherein the figures include the following reference numerals:

10. a housing; 20. a plug holder; 21. mounting a plate; 211. connecting holes; 22. a conductive pole piece; 30. a monitoring component; 31. mounting a bracket; 311. a first mounting section; 3111. a first sink tank; 3112. a first positioning structure; 312. a second mounting section; 3121. a second sink tank; 3122. limiting ribs; 3123. a clamping arm; 32. a wiring terminal; 321. a contact; 33. a temperature sensor; 40. a cable; 41. a core wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an intelligent plug, a charger and an electric vehicle, and aims to solve the problem that in the prior art, the temperature sensor in the intelligent plug of the charger is arranged on a PCB (printed Circuit Board) so that the intelligent plug is difficult to process and manufacture.

The electric vehicle comprises a charger, wherein the charger is the charger which is described above and below, and the charger comprises the intelligent plug which is described above and below.

It should be noted that, in this application, the charger still includes control box and the rifle that charges, control box, rifle and the intelligent plug electric connection of charging, and intelligent plug pegs graft with current converter, current converter and external power electric connection, and the control box is used for controlling the output current of the rifle that charges, and the rifle that charges is used for charging to waiting to charge the device.

Specifically, when the monitoring element in the monitoring assembly 30 of the smart plug transmits a monitored temperature signal to the controller, the controller reduces or cuts off the output current of the charging gun according to the temperature signal.

Optionally, when the temperature signal w monitored by the monitoring element satisfies: when w is more than or equal to 85 degrees and less than 100 degrees, the controller reduces the output current of the charging gun according to the temperature signal in the range; when the temperature signal w monitored by the monitoring element satisfies: when w is larger than or equal to 100 degrees, the controller cuts off the charging gun according to the temperature signal within the range to stop charging the electric vehicle, so that the safety of the charger and the electric vehicle is further ensured, and when the temperature signal w monitored by the monitoring element meets the condition that w is smaller than or equal to 70 degrees, the controller controls the charging gun to recover the charging operation of the electric vehicle according to the temperature signal at the moment, so that the intelligent degree of the charger is greatly improved.

Optionally, the monitoring element for monitoring the temperature is a temperature sensor 33.

It should be noted that, in the present application, the current converter can convert the current of 16A into the current of 10A, the current converter is electrically connected to the external power source, and when the smart plug of the charger is plugged into and mated with the current converter, the controller in the control box of the charger obtains a signal indicating that the smart plug is plugged into and mated with the current converter, so as to control the output current of the charging gun according to the current converted by the current converter.

As shown in fig. 1 to 5, the smart plug includes a housing 10, a plug bracket 20, a monitoring assembly 30, and a mounting bracket 31, wherein the housing 10 has a mounting groove; the plug support 20 is connected with the shell 10, one part of the plug support 20 is positioned in the mounting groove, and the other part of the plug support 20 extends out of the mounting groove; a mounting bracket 31 is disposed on the plug bracket 20 within the mounting slot, and the monitoring assembly 30 is disposed on the mounting bracket 31.

The application provides an intelligent plug with control subassembly 30 and installing support 31, thus, through setting up control subassembly 30 on installing support 31, installing support 31 that will install control subassembly 30 again sets up on plug support 20 and is located the mounting groove, when guaranteeing control subassembly 30's installation reliability, still guaranteed that control subassembly 30 can realize monitor function reliably, and installing support 31's simple structure, the manufacturing and processing of being convenient for, greatly reduced intelligent plug's the manufacturing degree of difficulty, be favorable to promoting the economic nature of charger.

Optionally, the mounting bracket 31 has a receiving slot where the monitoring assembly 30 is secured. Thus, on the one hand, the accommodating groove plays a role in limiting the monitoring assembly 30; on the other hand, the accommodating groove makes full use of the space of the mounting bracket 31, so that the mounting bracket 31 is prevented from being too large in overall size to be accommodated in the mounting groove of the housing 10 after the monitoring assembly 30 is mounted.

It should be noted that, in the present application, in consideration of the limited space of the mounting groove of the housing 10 and the limited mounting area of the plug bracket 20, as shown in fig. 4 and 5, the mounting bracket 31 includes a first mounting section 311 and a second mounting section 312 connected to each other, and the first mounting section 311 and the second mounting section 312 are disposed at an angle, the monitoring assembly 30 includes a plurality of monitoring elements, and at least one monitoring element is disposed on each of the first mounting section 311 and the second mounting section 312. Thus, the installation reliability of the plurality of monitoring elements is ensured, and simultaneously, the monitoring elements can be ensured not to interfere with each other, thereby ensuring the monitoring reliability of the monitoring elements.

Optionally, at least one monitoring element of the plurality of monitoring elements of the monitoring component 30 is used for monitoring the temperature in the installation slot, so as to prevent the phenomenon that the temperature in the installation slot is too high to burn out the intelligent plug, and even burn out the electric vehicle; in addition, because at least one monitoring element in the rest monitoring elements is used for monitoring whether the plug bracket 20 is plugged with the current converter, after the intelligent plug is plugged with the current converter, the larger current can be converted into the smaller current, the phenomenon that the intelligent plug is burnt due to the overlarge current and even the electric vehicle is burnt is prevented, and the charging safety of the electric vehicle is ensured.

Specifically, the plurality of monitoring elements include a connection terminal 32 and a temperature sensor 33, the connection terminal 32 is disposed on the first mounting section 311 and is used for monitoring whether the plug holder 20 is plugged with the current converter, and the temperature sensor 33 is disposed on the second mounting section 312 and is used for monitoring the temperature in the mounting groove. Therefore, the wiring terminal 32 and the temperature sensor 33 are ensured not to interfere with each other after being mounted on the mounting bracket 31, the working reliability of the wiring terminal 32 and the temperature sensor 33 is ensured, and the regularity of the intelligent plug is ensured.

Optionally, the included angle between the first mounting section 311 and the second mounting section 312 is 90 °, and while the space in the length and width directions is fully utilized, the regularity of the smart plug can be ensured, the operational reliability of the connection terminal 32 and the temperature sensor 33 can be further ensured, and the influence on the control strategy of making errors by the controller due to the occurrence of monitoring errors can be avoided.

As shown in fig. 1 and 4, a first positioning structure 3112 is disposed at an end of the first mounting section 311 away from the second mounting section 312, the connection terminal 32 has a contact 321 and a second positioning structure spaced from the contact 321, and the connection terminal 32 is positioned and mounted on the first mounting section 311 by a cooperation effect of the first positioning structure 3112 and the second positioning structure. Thus, the installation reliability of the wiring terminal 32 on the first installation section 311 is ensured, and the phenomenon that the wiring terminal 32 loosens or even shakes when the intelligent plug is used is prevented.

As shown in fig. 4, the first mounting segment 311 has a first sunken groove 3111 for accommodating the wire connecting terminal 32 and a positioning ring for fixing the contact 321, and the first positioning structure 3112 is disposed in the first sunken groove 3111. Thus, the first sinking groove 3111 plays a role in limiting the connection terminal 32, the contact 321 of the connection terminal 32 passes through the positioning ring and then contacts with another contact on the current converter, so as to send a contact signal to the control box, which indicates that the intelligent plug is plugged into the current converter, and the controller receives the contact signal and then controls the output current of the charging gun according to the current converted by the current converter.

As shown in fig. 4 and 5, the second mounting section 312 has a second sinking groove 3121 for accommodating the temperature sensor 33 and a limiting rib 3122, two ends of the limiting rib 3122 are respectively connected to the notches of the second sinking groove 3121, so that a channel for limiting the temperature sensor 33 is formed between the limiting rib 3122 and the second sinking groove 3121, and the surface of the limiting rib 3122 facing the temperature sensor 33 is matched with the outer surface of the temperature sensor 33. In this way, the second sinking groove 3121 and the limiting rib 3122 jointly function to limit the temperature sensor 33, and ensure the installation stability of the temperature sensor 33.

Optionally, the monitoring assembly 30 comprises a connection terminal 32 and a temperature sensor 33, wherein the connection terminal 32 is used for monitoring whether the plug holder 20 is plugged with the current converter; the temperature sensor 33 is used to monitor the temperature in the mounting groove. Therefore, the temperature in the mounting groove is monitored through the temperature sensor 33, and the situation that the temperature in the mounting groove of the intelligent plug is too high is prevented; simultaneously through binding post 32 control intelligent plug whether peg graft with current converter to make the controller can control the output current of rifle that charges according to the contact signal that binding post 32 given, because the electric current too high can lead to the high temperature, monitor simultaneously from electric current and temperature two aspects, further ensure intelligent plug's work safety nature.

Alternatively, the terminal 32 is integrally formed with the mounting bracket 31. Like this, because binding post 32 is the metal material, at the in-process of making installing support 31, mould plastics integrated into one piece with binding post 32 and installing support 31 simultaneously, greatly reduced intelligent plug's the manufacturing degree of difficulty, follow-up installation flow that can also save binding post 32.

Optionally, the mounting bracket 31 is integrally formed with the plug bracket 20. Therefore, the processing and manufacturing difficulty of the intelligent plug is reduced.

Optionally, the mounting bracket 31 is snap-fitted to the plug bracket 20. Therefore, the installation and the disassembly of the installation bracket 31 are convenient when the intelligent plug is maintained subsequently.

As shown in fig. 1 to 3, the plug support 20 includes a mounting plate 21 and a conductive pole piece 22, wherein the mounting plate 21 covers a notch of the mounting groove to close the notch; conductive pole piece 22 inserts and establishes on mounting panel 21, and conductive pole piece 22's first end is located the mounting groove, and conductive pole piece 22's second end stretches out the mounting groove setting, and one side that mounting panel 21 is located the mounting groove is connected to mounting bracket 31 joint. Thus, the space in the mounting groove is fully utilized, the temperature sensor 33 can be mounted on the wiring terminal 32, and meanwhile the miniaturization design of the intelligent plug can be ensured.

As shown in fig. 1, a mounting plate 21 is provided with a connecting hole 211, a mounting post is provided on the mounting bracket 31, and the mounting bracket 31 is clamped with the mounting plate 21 by the matching of the mounting post and the connecting hole 211. Therefore, the clamping convenience of the mounting bracket 31 and the plug bracket 20 is ensured, and the mounting bracket and the plug bracket are simple in structure and easy to process and manufacture.

It should be noted that, in the present application, considering that the volume of the temperature sensor 33 is larger than that of the connection terminal 32, the mounting bracket 31 is configured to include a first mounting section 311 and a second mounting section 312 which are connected, and the first mounting section 311 and the second mounting section 312 are arranged with an included angle, the connection terminal 32 is arranged on the first mounting section 311, the temperature sensor 33 is arranged on the second mounting section 312, as shown in fig. 1 to 3, the number of the conductive pole pieces 22 is three, the first ends of the three conductive pole pieces 22 are inserted on the mounting plate 21 at intervals and enclose a triangular area, and at least a part of the mounting bracket 31 is located in the triangular area. Thus, the triangular area on the mounting plate 21 is fully utilized, and the compactness of the intelligent plug is ensured.

As shown in fig. 1 and 2, the smart plug further includes a cable 40, a portion of the cable 40 is disposed in the mounting groove, another portion of the cable 40 extends out of the mounting groove, the cable 40 has a plurality of core wires 41, and each of the conductive pole pieces 22 and the monitoring assembly 30 is electrically connected to a different core wire 41. In this way, each conductive pole piece 22 and monitoring assembly 30 is assured of being energized.

Alternatively, three core wires 41 of the plurality of core wires 41 are electrically connected with the three conductive pole pieces 22 in a one-to-one correspondence manner, one core wire 41 of the plurality of core wires 41 except the core wires 41 electrically connected with the conductive pole pieces 22 is in signal connection with the connection terminal 32, another core wire 41 of the plurality of core wires 41 except the core wires 41 electrically connected with the conductive pole pieces 22 is in signal connection with a first pin of the temperature sensor 33, and a second pin of the temperature sensor 33 is in signal connection with one conductive pole piece 22 of the three conductive pole pieces 22.

As shown in fig. 4 and 5, the end of second mounting section 312 distal from first mounting section 311 has a set of opposed snap arms 3123. Like this, in temperature sensor 33's first pin and a plurality of heart yearns 41 except that with conducting electrode piece 22 electric connection in the other heart yearn 41 welding of all the other heart yearns 41, go into the joint inslot between two joint arms 3123 with the first pin of temperature sensor 33 and the welding position card of heart yearn 41, the joint inslot plays and carries out spacing effect to the first pin of temperature sensor 33 and the welding position of heart yearn 41, ensure the welding reliability of welding position department between the two, the in-process of the casing 10 of subsequent moulding plastics can not appear rocking even the aversion phenomenon.

Alternatively, the three core wires 41 are riveted with the three conductive pole pieces 22 in one-to-one correspondence, the second pin of the temperature sensor 33 is riveted with the E-pole conductive pole piece 22, and the core wires 41 are welded with the connection terminal 32.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A smart plug, comprising:

a housing (10), the housing (10) having a mounting slot;

the plug support (20), the plug support (20) is connected with the shell (10), one part of the plug support (20) is positioned in the mounting groove, and the other part of the plug support (20) extends out of the mounting groove;

a monitoring assembly (30);

a mounting bracket (31), the mounting bracket (31) is arranged on the plug bracket (20) and is positioned in the mounting groove, and the monitoring component (30) is arranged on the mounting bracket (31).

2. A smart plug according to claim 1, characterised in that the mounting bracket (31) has a receiving slot where the monitoring component (30) is secured.

3. The smart plug of claim 1, wherein the mounting bracket (31) comprises a first mounting section (311) and a second mounting section (312) connected to each other, the first mounting section (311) and the second mounting section (312) are arranged at an included angle, the monitoring assembly (30) comprises a plurality of monitoring elements, and at least one monitoring element is arranged on each of the first mounting section (311) and the second mounting section (312).

4. A smart plug according to claim 3, wherein the plurality of monitoring elements includes a connection terminal (32) and a temperature sensor (33), the connection terminal (32) being provided on the first mounting section (311) for monitoring whether the plug holder (20) is plugged with a current converter, the temperature sensor (33) being provided on the second mounting section (312) for monitoring the temperature within the mounting recess.

5. The smart plug of claim 4, wherein an end of the first mounting section (311) remote from the second mounting section (312) is provided with a first positioning structure (3112), the connection terminal (32) has a contact (321) and a second positioning structure spaced from the contact (321), and the connection terminal (32) is positioned and mounted on the first mounting section (311) by cooperation of the first positioning structure (3112) and the second positioning structure.

6. The smart plug of claim 5, wherein the first mounting segment (311) has a first recess (3111) for receiving the wire terminal (32) and a locating ring for securing the contact (321), the first locating structure (3112) being disposed in the first recess (3111).

7. The smart plug according to claim 4, wherein the second mounting section (312) has a second sinking groove (3121) for accommodating the temperature sensor (33) and a limiting rib (3122), two ends of the limiting rib (3122) are respectively connected to the notch of the second sinking groove (3121), so that a channel for limiting the temperature sensor (33) is formed between the limiting rib (3122) and the second sinking groove (3121), and the surface of the limiting rib (3122) facing the temperature sensor (33) is matched with the outer surface of the temperature sensor (33).

8. A charger, characterized by comprising the smart plug of any one of claims 1 to 7.

9. The charger according to claim 8, further comprising a control box and a charging gun, wherein the control box, the charging gun and the intelligent plug are electrically connected, the intelligent plug is plugged with a current converter, the current converter is electrically connected with an external power supply, the control box is used for controlling the output current of the charging gun, and the charging gun is used for charging a device to be charged.

10. An electric vehicle comprising a charger, characterized in that the charger is as claimed in any one of claims 8 to 9.