CN215098309U - Hall element protective housing and unmanned aerial vehicle - Google Patents

Abstract

The utility model relates to an aviation technical field discloses a hall element protective housing and unmanned aerial vehicle. The Hall element protective shell is provided with a cavity for accommodating a Hall element, a wiring hole for wiring, and a mounting hole matched with a fastener. Can firmly install hall element on engine machine casket through this protective housing, guarantee hall element's operational reliability, avoid hall element to receive the problem that the environmental corrosion leads to life to be short.

Description

Hall element protective housing and unmanned aerial vehicle

Technical Field

The utility model relates to an aviation technical field, in particular to hall element protective housing to and an unmanned aerial vehicle who is provided with this protective housing.

Background

The hall element is a magnetic sensor based on the hall effect.

At present, hall elements adopted by most fuel engines of unmanned aerial vehicles are directly mounted on a casing, and particularly, referring to fig. 1, the hall elements 01 are directly fixed on the casing 02 of the engine in an adhesion mode, or plastic parts of the hall elements 01 are directly extruded through screws/bolts so as to extrude and fix the hall elements 01 on the casing 02. It is easy to know that the bonded Hall element is not firm and easy to fall off, and the working stability of the Hall element is poor; the Hall element fixed by the extrusion of the screw/bolt is not firm, is easy to loosen and fall off, and is easy to cause the extrusion damage of the Hall element. In addition, the installation mode makes the Hall element directly exposed to the external environment, so the Hall element is easily corroded by the environment and is also easily broken or damaged.

Therefore, how to firmly mount the hall element on the engine case, so as to ensure the working reliability thereof, and how to avoid the hall element from being corroded by the environment and causing short service life thereof is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a hall element protective housing to and an unmanned aerial vehicle who is provided with this protective housing, can firmly install hall element on the engine machine casket through this protective housing, guarantee hall element's operational reliability, avoid hall element to receive the environmental corrosion to lead to the problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a hall element protective housing, hall element protective housing is provided with the cavity that is used for holding hall element, is used for walking the line hole of line to and the mounting hole with fastener adaptation.

Optionally, two sides of the hall element protective shell are respectively provided with one mounting hole.

Optionally, the cavity and the wiring hole are located between the two mounting holes.

Optionally, the cavity includes a top accommodating cavity, an intermediate communicating cavity connected to the top accommodating cavity, and a bottom opening located at the bottom end of the intermediate communicating cavity, wherein:

the main body of the Hall element can penetrate through the bottom opening and the middle communicating cavity and then enter the top accommodating cavity, and is fixedly installed in the top accommodating cavity in an interference fit or bonding mode;

the wiring harness of the Hall element avoids the bottom opening and sequentially penetrates through the middle communicating cavity and the wiring hole to extend out of the Hall element protective shell.

Optionally, an angle between an outlet direction of the routing hole and an orientation of the bottom opening is less than 90 °.

Optionally, the hall element protective housing includes a main body portion, a wire routing portion, a first connecting portion, and a second connecting portion, wherein:

the cavity is arranged in the main body part, the wiring hole is arranged in the wiring part, and the first connecting part and the second connecting part are respectively provided with the mounting hole;

the main body part, the first connecting part and the inner side wall surface of the second connecting part are connected, and are matched with a mounting position on the casing, wherein the mounting position is used for mounting the Hall element.

Optionally, the hall element protective housing is further provided with a dismounting hole.

Optionally, the detachment hole is disposed at a top of the main body portion and communicates with the cavity.

Optionally, the hall element protective housing is an integrated structural member made of a non-magnetic metal material.

The utility model provides an unmanned aerial vehicle, unmanned aerial vehicle's driving system is the double-cylinder engine, among the double-cylinder engine, be located the lateral wall of the quick-witted casket between two cylinder bodies, through above hall element protective housing fixed mounting have hall element.

According to the above technical scheme, the utility model provides a hall element protective housing can firmly install hall element on engine machine casket, guarantees that it connects reliably, moreover, can play the guard action to hall element, avoids unexpected striking and wearing and tearing, can avoid hall element to receive the problem that the environmental corrosion leads to life to be shorter moreover.

The utility model provides an among the unmanned aerial vehicle, owing to used above-mentioned hall element protective housing to can play good guard action to hall element.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a Hall element mounted directly to a case of an engine assembly;

fig. 2 is a schematic view of an installation structure of a hall element protection case on an engine assembly according to an embodiment of the present invention;

fig. 3 and 4 are isometric views of the hall element protection shell according to the embodiment of the present invention at different angles;

fig. 5 is a side cross-sectional view of a hall element protective housing according to an embodiment of the present invention.

Wherein:

1-a Hall element, 2-a casing,

10-a protective casing for the hall element,

11-a body portion, 12-a routing portion, 13-a first connection portion, 14-a second connection portion,

101-cavity, 102-wiring hole, 103-mounting hole and 104-dismounting hole.

Detailed Description

The utility model discloses a hall element protective housing to and an unmanned aerial vehicle who is provided with this protective housing can firmly install hall element on engine machine casket through this protective housing, guarantees hall element's operational reliability, avoids hall element to receive the environmental corrosion to lead to the shorter problem of life.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2 to 5, in a hall element protection casing (protection casing for short) provided in an embodiment of the present invention, a cavity 101 for accommodating the hall element 1, a wire hole 102 for routing wires, and a mounting hole 103 adapted to a fastener (screw or bolt) are provided. One end of the wiring hole 102 communicates with the cavity 101, and the other end communicates with the outside of the housing, so that the wiring harness on the hall element 1 extends out of the housing.

During the use, to installing hall element 1 in the cavity 101 of protective housing, specifically accessible interference fit or gluing etc. mode fixed hall element 1 ensures its reliable connection.

It is thus clear that, through the embodiment of the utility model provides a hall element protective housing can firmly install hall element 1 on engine receiver 2, guarantees that it connects reliably, moreover, can play the guard action to hall element 1, avoids unexpected striking and wearing and tearing, can avoid hall element to receive the environmental corrosion moreover to lead to the shorter problem of life.

Specifically, referring to fig. 3 and 4, two mounting holes 103 are respectively formed on two sides of the protective shell, and the cavity 101 and the wire hole 102 are located between the two mounting holes 103.

Specifically, referring to fig. 3 and 5, the cavity 101 includes a top accommodating chamber a, an intermediate communicating chamber B connected to the top accommodating chamber a, and a bottom opening C located at a bottom end of the intermediate communicating chamber B. Wherein: the main body of the Hall element 1 can penetrate through the bottom opening C and the middle communicating cavity B and then enter the top accommodating cavity A, and is fixedly installed in the top accommodating cavity A in an interference fit or bonding mode; the wiring harness of the hall element 1 avoids the bottom opening C, sequentially passes through the middle communicating cavity B and the wiring hole 102, and then extends out of the hall element protective shell.

Specifically, referring to fig. 5, the angle between the exit direction of the wire hole 102 and the orientation of the bottom opening is less than 90 °. (preferably any value between 30 DEG and 60 DEG)

Specifically, referring to fig. 3, the protective shell includes a main body portion 11, a routing portion 12, a first connecting portion 13, and a second connecting portion 14. Wherein: the body 11 has a cavity 101, the wire portion 12 has a wire hole 102, and the first connection portion 13 and the second connection portion 14 have mounting holes 103. The main body 11, the first connecting portion 13, and the second connecting portion 14 are in contact with each other on inner side wall surfaces thereof, and are adapted to mounting positions on the casing 2 for mounting the hall element 1.

Further, referring to fig. 4, the protective shell is further provided with a dismounting hole 104. Preferably, the detaching hole 104 is provided at the top of the main body 11 and communicates with the cavity 101. When the hall element 1 needs to be detached from the protective case, a slender or pointed tool is inserted into the detaching hole 104, and the hall element 1 is withdrawn from the cavity 101.

Specifically, the protective shell is an integrated structural member made of a non-magnetic metal material.

Referring to fig. 2, the power system of the unmanned aerial vehicle provided in the embodiment of the present invention is a double-cylinder engine, in which a hall element 1 is fixedly mounted on the outer sidewall of the casing 2 between two cylinder bodies through the hall element protection case 10 described above.

Finally, it should also be 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The protective shell is characterized by being provided with a cavity (101) for accommodating a Hall element (1), a wiring hole (102) for wiring, and a mounting hole (103) matched with a fastener.

2. The protective case of claim 1, wherein one of the mounting holes (103) is disposed on each of two sides of the protective case.

3. The hall element protective case according to claim 2, wherein the cavity (101) and the wiring hole (102) are located between two of the mounting holes (103).

4. The hall element protective case according to claim 1, wherein the cavity (101) comprises a top accommodating chamber, an intermediate communicating chamber interfacing with the top accommodating chamber, a bottom opening at a bottom end of the intermediate communicating chamber, wherein:

the main body of the Hall element (1) can penetrate through the bottom opening and the middle communicating cavity and then enter the top accommodating cavity, and is fixedly installed in the top accommodating cavity in an interference fit or bonding mode;

the wiring harness of the Hall element (1) avoids the bottom opening, sequentially penetrates through the middle communicating cavity and the wiring hole (102) and then extends out of the Hall element protective shell.

5. The Hall element protective case according to claim 4, wherein an angle between an exit direction of the wiring hole (102) and an orientation of the bottom opening is less than 90 °.

6. The protective case of claim 5, wherein the protective case comprises a main body portion (11), a trace portion (12), a first connection portion (13), and a second connection portion (14), wherein:

the cavity (101) is arranged in the main body part (11), the wiring hole (102) is arranged in the wiring part (12), and the mounting holes (103) are respectively arranged on the first connecting part (13) and the second connecting part (14);

the inner side wall surfaces of the main body part (11), the first connecting part (13) and the second connecting part (14) are connected, and the inner side wall surfaces are matched with the installation position on the casing (2) for installing the Hall element (1).

7. The protective Hall element case of claim 6, further provided with a removal hole (104).

8. The hall element protective case according to claim 7, wherein the detachment hole (104) is provided at the top of the main body portion (11) and communicates with the cavity (101).

9. The protective case of any one of claims 1 to 8, wherein the protective case is a one-piece structure made of a non-magnetic metal material.

10. An unmanned aerial vehicle, characterized in that its power system is a two-cylinder engine, in which a hall element (1) is fixedly mounted on the outer side wall of a casing (2) between two cylinder blocks through a hall element protective housing according to any one of claims 1 to 9.

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