CN212963930U

CN212963930U - Striking detection mechanism and battery charging outfit

Info

Publication number: CN212963930U
Application number: CN202021410525.XU
Authority: CN
Inventors: 谢哲男; 陶伟; 王辰冰
Original assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Current assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-13
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a car technical field that charges, concretely relates to striking detection mechanism and battery charging outfit, striking detection mechanism include the main skeleton and normally open the switch, the installing support is installed to the main skeleton, the first end of installing support is fixed on the main skeleton, the second end of installing support is used for fixed normally open switch, but the resilience button of normally open switch is fixed on the ejector pin top of base tightly, makes it be in the closed condition. The utility model provides a pair of striking detection mechanism, simple structure, it is with low costs, security and reliability are high, and reaction rate is fast, and the discernment is accurate, and user experience is good, and the fortune dimension is with low costs.

Description

Striking detection mechanism and battery charging outfit

Technical Field

The utility model relates to an automobile charging technology field, concretely relates to striking detection mechanism and battery charging outfit.

Background

The charging pile is used for charging the electric automobile, the input end of the charging pile is connected with an alternating current power grid, and the output end of the charging pile outputs direct current to charge the electric automobile through a charging plug.

When the vehicle charges parking, there is the risk that misoperation striking fills electric pile, and it is great to fill electric pile electric current, easily takes place the electric shock accident. In addition, when natural disasters such as earthquakes occur, the charging pile in charging is damaged, electric shock accidents are easy to happen, and casualties are caused.

Consequently, need set up striking detection mechanism on filling electric pile, receive striking or main skeleton when receiving external force and take place deformation filling electric pile, cut off the output rapidly to guarantee user's personal safety.

The existing impact detection is realized through an acceleration sensor, when a charging pile is impacted, the internal acceleration sensor generates instantaneous displacement and can be triggered, the sensor sends a voltage signal to a charging pile main controller, and the main controller sends an action command of stopping charging or reducing current to continue charging and the like to the charging pile through a series of logic judgments after receiving the signal. This impact detection scheme suffers from the following problems:

(1) the internal acceleration sensor can be triggered when instantaneous displacement occurs, and the acceleration sensor cannot generate instantaneous displacement when the charging pile is slowly extruded, so that even if the charging pile is seriously deformed due to slow extrusion, the charging pile cannot be effectively detected, and potential safety hazards exist;

(2) after the acceleration sensor is triggered, a voltage signal is sent to the charging pile main controller, the main controller receives the signal and then judges according to preset logic, and then relevant actions are carried out, so that the process is complex, the reaction is slow, and the judgment and the actions are carried out through a software layer, so that instability exists;

(3) the acceleration sensor has complex process and high cost;

(4) acceleration sensor takes place instantaneous displacement and is triggered promptly, fills electric pile and only by slight striking, does not harm the major structure and can the malfunction under the condition that does not influence safe in utilization, leads to filling electric pile frequently to report the mistake, and user experience is not good, increases fortune dimension cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides an impact detection mechanism has solved the problem that the reliability of current acceleration sensor scheme is low, poor stability, reaction rate is slow, with high costs, its simple structure, stability are good, reaction rate is fast, the reliability is high, with low costs.

The technical scheme of the utility model:

an impact detection mechanism, comprising:

the normally open switch comprises a main framework, wherein the main framework is provided with a mounting bracket, the first end of the mounting bracket is fixed on the main framework, and the second end of the mounting bracket is used for fixing the normally open switch;

and the normally open switch is tightly pushed by the ejector rod fixed on the base, so that the normally open switch is in a closed state.

Furthermore, one end of the ejector rod facing the normally open switch is of a hemispherical structure.

Further, the mounting bracket, the normally open switch and the ejector rod are all arranged along the vertical direction.

Further, the main framework comprises a transverse support frame and a vertical support frame, and the first end of the mounting support is fixedly mounted on the transverse support frame.

The utility model discloses an on the other hand still provides a battery charging outfit, include as above-mentioned arbitrary one striking detection mechanism.

After the technical scheme is adopted, the utility model provides a pair of striking detection mechanism compares with prior art, has following beneficial effect:

(1) whether the charging pile is violently impacted or slowly extruded, the impact detection mechanism can be triggered as long as the main framework is slightly deformed, so that the application scene is comprehensive, and the safety performance is excellent;

(2) the impact detection mechanism is connected in series on the control guide line in a switch mode, the control guide line is immediately and physically disconnected when triggered, the charging equipment immediately stops outputting, logical judgment time and misjudgment and misoperation caused by logical errors do not exist, the reaction speed is high, and the reliability is high;

(3) the impact detection mechanism is realized only by a common normally open switch and a special structural design, and has simple structure and low cost;

(4) this application only takes place deformation at the main frame, just can trigger under the safe condition of influence charging, when taking place slight collision, can not trigger under the safe condition of not influencing charging, and the accuracy is high, has avoided frequent malfunction, and user experience is good.

Drawings

Fig. 1 is a schematic structural view of an impact detection mechanism of the present embodiment;

FIG. 2 is a schematic view of the impact detection mechanism of the present embodiment;

fig. 3 is a schematic view of the impact detection mechanism of the present embodiment in a normal state;

FIG. 4 is a schematic view of the impact detection mechanism of the present embodiment after an impact is applied thereto;

FIG. 5 is a schematic view of an impact detection mechanism employing a mounting bracket after impact;

fig. 6 is a schematic view of an impact detection mechanism without a mounting bracket after being impacted.

The device comprises a main framework 1, a mounting bracket 2, a normally open switch 3, a reboundable button 31, a mandril 4 and a base 5.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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.

Unless specifically stated 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. 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.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

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 should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1, the impact detection mechanism of the embodiment includes a main framework 1, a mounting bracket 2, a normally open switch 3, a top rod 4 and a base 5, wherein the main framework 1 is a main framework of the charging pile, a first end of the mounting bracket 2 is fixedly mounted on the main framework 1, and a second end of the mounting bracket 2 is fixedly mounted with the normally open switch 3; further, but be equipped with ejector pin 4 on one side of normally open switch 3's rebound button 31, the bottom mounting of ejector pin 4 is on charging pile's base 5, and the top of ejector pin 4 and normally open switch 3's rebound button 31 contact and tightly should the rebound button 31 make normally open switch 3 be in the closure state.

Further, as shown in fig. 2, the normally open switch 3 of this embodiment is connected in series on the control guide line of charging pile, and when the ejector pin 4 pushes the rebounding button 31 of the normally open switch 3 tightly, the normally open switch 3 is closed, and the control guide line is in a conducting state at this time, and can communicate normally.

As shown in fig. 2-3, in a normal state, that is, when the main frame 1 is not deformed, the reboundable button 31 is pressed and pushed by the ejector rod 4, the normally open switch 3 is closed, the control guide wire is in a conducting state at this time, and normal communication can be performed, that is, the charging pile can charge the electric vehicle normally at this time; and when main frame 1 received striking or extrusion to take place the deformation, as shown in fig. 4, main frame 1 takes place deformation, but normally open switch 3's rebound button 31 takes place the displacement for normally open switch 3's rebound button 31 pops out, and normally open switch 3 disconnection this moment, control guide line is by the physics disconnection, and the communication is stopped at once, fills electric pile and stops charging at once.

According to the charging pile, the normally open switch 3 is fixed on the main framework 1 of the charging pile through the mounting support 2, and no matter the charging pile is impacted or extruded, as long as the main framework is deformed to influence the charging safety, the normally open switch 3 is disconnected, the charging can be stopped immediately, the application scene is comprehensive, and the safety performance is good; when the main framework 1 deforms, the normally open switch 3 is physically disconnected, the control guide wire is immediately cut off, the charging pile does not need to carry out logic judgment through software, charging is immediately stopped, the reaction speed is high, and safety and reliability are high.

Further, this embodiment is fixed the first end of installing support 2 on main skeleton 1, will normally open switch 3 and fix the second end at installing support 2, form lever structure, when main skeleton 1 takes place deformation, enlarge through installing support 2 and transmit on normally open switch 3. Specifically, as shown in fig. 5, the normally open switch 3 of the present embodiment is mounted at the second end of the mounting bracket 2, and when the main frame 1 is deformed by an impact, the normally open switch 3 is displaced, assuming that the length of the mounting bracket 2 is L, the length of the normally open switch 3 is L1, the length of the normally open switch 3 protruding from the mounting bracket 2 is L2, and the angle of deformation of the main frame 1 is θ, then the lateral displacement X generated by the reboundable button 31 is (L + L2) × sin θ; on the other hand, as shown in fig. 6, the normally open switch 3 is directly mounted on the main frame 1, and the lateral displacement X ' generated by the reboundable button 31 is L1 × sin θ, and obviously X ' < X, and when θ is small, X ' is also small, and the reboundable button 31 may not be completely ejected. This embodiment is fixed the first end of installing support 2 on main skeleton 1, will normally open switch 3 and fix the second end at installing support 2, form lever structure for when main skeleton 1 received the striking deformation, the displacement increase of 31 departments of resilient button, the more easily springing out of resilient button 31 is normally opened switch 3 and is disconnected more easily, detects more sensitively, and the length of installing support 2 is longer more, and sensitivity is higher.

Preferably, the top end of the top rod 4, i.e. the end facing the resilient button 31, is of a hemispherical structure, so that the top end of the top rod 4 is in point contact with the resilient button 31, and the resilient button 31 is more easily ejected and reset, and it is expected that the normally open switch 3 will be displaced when the main frame 1 is deformed, and the resilient button 31 will slide out along the hemispherical surface, whereas if the top end of the top rod 4 is of a plane, the resilient button 31 is in point contact with the top rod 4, and the resilient button 31 cannot be easily ejected.

Preferably, backbone 1 of this embodiment includes horizontal support frame and vertical support frame, the first end fixed mounting of installing support 2 is on horizontal support frame, and installing support 2, normally open switch 3 and ejector pin 4 all follow vertical setting, of course can also follow the horizontal direction setting, but follow the horizontal direction setting, because normally open switch 3 and ejector pin 4's dead weight, probably make ejector pin 4 and installing support 2 crooked under the normal condition, ejector pin 4 is not good to the touch effect of springback button 31, easy malfunction, it comes bearing normally open switch 3 and ejector pin 4 to need to increase the layer board.

Therefore, the impact detection mechanism provided by the embodiment has the advantages of simple structure, low cost, high safety and reliability, high reaction speed, accurate identification, good user experience and low operation and maintenance cost.

The utility model discloses an on the other hand provides a battery charging outfit, including above striking detection mechanism, have above equally beneficial effect.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. An impact detection mechanism, comprising:

the switch comprises a main framework (1), wherein a mounting bracket (2) is mounted on the main framework (1), a first end of the mounting bracket (2) is fixed on the main framework (1), and a second end of the mounting bracket (2) is used for fixing a normally open switch (3);

the normally open switch (3), but the rebound button (31) of normally open switch (3) is by fixing ejector pin (4) top tight on base (5), makes it be in the closure state.

2. An impact detection mechanism according to claim 1, characterized in that the end of the push rod (4) facing the normally open switch (3) is of a hemispherical structure.

3. An impact detection mechanism according to claim 1, wherein the mounting bracket (2), the normally open switch (3) and the push rod (4) are all arranged in a vertical direction.

4. An impact detection mechanism according to claim 1, wherein the main frame (1) comprises a transverse support and a vertical support, the first end of the mounting bracket (2) being fixedly mounted on the transverse support.

5. A charging device characterized by comprising an impact detection mechanism according to any one of claims 1 to 4.