CN215811640U - Sensor module and test device - Google Patents

Abstract

The application discloses sensor assembly and testing device. The sensor assembly includes a first connector, a second connector, and a sensor. The first connecting piece is used for connecting a trailer, and the second connecting piece is used for connecting a towing hook of the tractor. The sensor is installed between the first connecting piece and the second connecting piece, and the sensor is used for collecting the load of the traction hook in a first direction, a second direction and a third direction, and the first direction, the second direction and the third direction are crossed in pairs. So, sensor module links together tractor and trailer, and the load that receives at all directions through sensor collection towing hook to data transmission to the collector will be gathered, utilize load data to carry out fatigue analysis, the intensity that can in time optimize towing hook avoids towing hook to appear structural failure.

Description

Sensor module and test device

Technical Field

The application relates to the field of automobiles, in particular to a sensor assembly and a testing device.

Background

At present, in the technical field of automobile industry tests, various trailers are developed domestically at the present stage, but the problems that the structural strength of a towing hook between a towing vehicle and the trailer is difficult to optimize in time and the structure of the towing hook fails are easily caused due to the lack of special research on user use scenes and the accelerated verification of a whole automobile test field domestically at present. Based on research and development cost consideration, the load of the traction hook in the vehicle state is directly collected, the load is applied to fatigue analysis, and the structural strength of the traction hook is optimized in time.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sensor assembly, and the technical problem that solve is difficult to in time optimize the structural strength of towing hook between tractor and the trailer, appears towing hook structural failure easily. The sensor assembly includes a first connector, a second connector, and a sensor. The first connecting piece is used for connecting a trailer, and the second connecting piece is used for connecting a towing hook of the tractor. The sensor is installed between the first connecting piece and the second connecting piece, and the sensor is used for collecting the load of the traction hook in a first direction, a second direction and a third direction, and the first direction, the second direction and the third direction are crossed in pairs.

In certain embodiments, the first connector includes a first connection portion and a second connection portion. The second connecting portion is connected with the first connecting portion, the first connecting portion and the second connecting portion enclose to form an installation space, the sensor is connected with the first connecting portion and arranged in the installation space, and the second connecting portion is used for being connected with the trailer.

In some embodiments, the first connector comprises a reinforcing rib connected to the second connector, the reinforcing rib being adapted to be fixedly connected to the trailer.

In some embodiments, the first connecting portion defines a first mounting hole, and the first connecting portion is connected to the sensor through the first mounting hole by a first fastener.

In some embodiments, the sensor defines a second mounting hole, and the sensor is connected to the second connector by a second fastener passing through the second mounting hole.

In some embodiments, the first connecting member has a through hole, the second mounting hole is through the through hole, and the second mounting hole is aligned with the through hole in the depth direction of the through hole.

In certain embodiments, the second connector includes a third connector portion and a fourth connector portion. The fourth connecting portion is connected to the third connecting portion. The sensor is connected with the third connecting portion, and the third connecting portion and the fourth connecting portion clamp the traction hook.

In some embodiments, the third connecting portion with the fourth connecting portion prescribe a limit to the mounting groove jointly, the mounting groove be used for with the connector joint that the towing hook formed, so that the connector card is established in the mounting groove.

In some embodiments, the third connecting portion includes a first mounting section and a second mounting section, the second mounting section being connected to the first mounting section. The first mounting section and the second mounting section enclose an accommodating space, and the fourth connecting portion is embedded in the accommodating space.

The embodiment of the present application provides a test device, the test device includes: a tractor, a trailer and the above sensor assembly. The first connecting piece is connected with the trailer, and the second connecting piece is connected with a towing hook of the tractor.

So, sensor module links together tractor and trailer, and the load that receives at all directions through sensor collection towing hook to data transmission to the collector will be gathered, utilize load data to carry out fatigue analysis, the intensity that can in time optimize towing hook avoids towing hook to appear structural failure.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a sensor assembly according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a test apparatus according to an embodiment of the present application;

FIG. 3 is an exploded schematic view of a test rig according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a test apparatus according to an embodiment of the present application;

fig. 5 is a schematic structural view of a second connector according to an embodiment of the present application.

Description of the main element symbols:

the sensor assembly 100, the first connecting piece 10, the first connecting part 11, the first mounting hole 111, the first fastener 112, the through hole 113, the second connecting part 12, the mounting space 13, the reinforcing rib 14, the second connecting piece 20, the second avoiding hole 21, the third connecting part 22, the first mounting section 221, the second mounting section 222, the second mating hole 2221, the accommodating space 223, the fourth connecting part 23, the third mating hole 231, the third fastener 232, the mounting groove 24, the sensor 30, the first mating hole 31, the second mounting hole 32, the first avoiding hole 33, the second fastener 34, the testing device 1000, the tractor 200, the towing hook 210, the connector 211 and the trailer 300.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, the present embodiment provides a sensor assembly 100. The sensor assembly 100 includes a first connector 10, a second connector 20, and a sensor 30. The first connector 10 is used to connect the trailer 300. The second coupling member 20 is used to couple the towing hook 210 of the towing vehicle 200. The sensor 30 is installed between the first connector 10 and the second connector 20, and the sensor 30 is used for collecting the load of the towing hook 210 in a first direction, a second direction and a third direction, and the first direction, the second direction and the third direction are crossed in pairs. For example, the first direction, the second direction and the third direction are perpendicular two by two. The first direction, the second direction, and the third direction may be X, Y, Z directions, respectively.

Thus, the sensor assembly 100 connects the tractor 200 and the trailer 300 together, collects the load of the towing hook 210 in all directions through the sensor 30, and performs fatigue analysis on the collected data, so that the strength of the towing hook 210 can be optimized in time, and the towing hook 210 is prevented from structural failure.

Specifically, the sensor 30 can be made of alloy steel materials, is sealed by silicon rubber, and has a compact integral structure. The sensor 30 can simultaneously and respectively test the force values in the X direction, the Y direction and the Z direction. The first connecting member 10 and the second connecting member 20 may be made of an alloy material.

As shown in fig. 1, the first direction X may be a traveling direction of the tractor 200 and the trailer 300, and the sensor 30 can measure a load applied to the towing hook 210 in the first direction X when the tractor 200 tows the trailer 300 to travel in the first direction X; when the tractor 200 is displaced in the second direction Y relative to the trailer 300, for example, the tractor 200 turns in the second direction Y while traveling, the sensor 30 can measure the load applied to the towing hook 210 in the second direction Y; when the tractor 200 and the trailer 300 are displaced in the third direction Z on the traveling road, for example, when the tractor 200 and the trailer 300 encounter bumps or when the tractor 200 and the trailer 300 travel on a slope section, the sensor 30 can measure the load applied to the towing hook 210 in the third direction Z.

In this way, the sensor 30 can measure the loads of the towing hook 210 in the first direction X, the second direction Y and the third direction Z, and can adapt to various complicated road sections traveled by the towing vehicle 200 and the towed vehicle 300.

Referring to fig. 2, the present application provides a test rig 1000, the test rig 1000 including a tractor 200, a trailer 300, and a sensor assembly 100. The first coupling member 10 of the sensor assembly 100 is coupled to the trailer 300 and the second coupling member 20 of the sensor assembly 100 is coupled to the towing hook 210 of the towing vehicle 200.

Therefore, the test device 1000 is used for collecting the load of the towing hook 210 in each direction, fatigue analysis is carried out by using the load data, the strength of the towing hook 210 can be optimized in time, and structural failure of the towing hook 210 is avoided.

Specifically, the tractor 200 is formed with a towing hook 210, and the connection relationship of the testing apparatus 1000 is as follows: the trailer 300 is connected to a first connector 10, the first connector 10 is connected to a sensor 30, the sensor 30 is in turn connected to a second connector 20, and the second connector 20 is connected to the trailer 300. The tractor 200 is provided with a data collector, and the output channel of the sensor 30 is connected with the data collector.

In the test process, the sensor 30 collects the load of the towing hook 210 in each direction in real time and transmits the collected load to the data collector in real time, so that the tester can analyze the fatigue strength and durability of the collected data, optimize the structural strength of the towing hook 210 in time,

referring to fig. 3, in some embodiments, the first connecting element 10 includes a first connecting portion 11 and a second connecting portion 12. The second connecting portion 12 is connected to the first connecting portion 11, and the first connecting portion 11 and the second connecting portion 12 enclose an installation space 13. The sensor 30 is connected to the first connection 11 and arranged in the installation space 13, and the second connection 12 is intended for connection to the trailer 300.

In this manner, the first connector 10 can simultaneously connect the sensor 30 and the trailer 300 together by the arrangement of the first connection portion 11 and the second connection portion 12.

Specifically, the first connection part 11 may have a plate shape, the second connection part 12 may also have a plate shape, and one end of the first connection part 11 is connected to the second connection part 12, so that the first connection part 10 is formed substantially in a "" shape for the sensor 30 to be placed in the mounting space 13. The first connecting portion 11 can completely cover the sensor 30, so that the overall structure is compact. To prevent the first connection portion 11 and the second connection portion 12 from being disconnected, the first connection member 10 may be preferably formed by integral molding.

The sensor 30 and the first connecting member 10 can be fixedly mounted by means of bonding, welding, or screwing. Since the structure of the towing hook 210 is suitably optimized in accordance with the load data of the towing hook 210 during the test, the threaded connection is preferably selected to facilitate the mounting and dismounting between the sensor 30 and the first attachment 10. During the installation process, the first connecting member 10 may be fixed to the trailer 300 by welding, and after the first connecting member 10 is fixed to the trailer 300, the sensor 30 is fixed in the installation space 13 of the first connecting member 10.

Referring to fig. 3, in some embodiments, the first connecting member 10 includes a reinforcing rib 14 connected to the second connecting member 12. The reinforcing ribs 14 are used for fixed connection with the trailer 300. In this manner, the reinforcing ribs 14 may increase the rigidity of the first connector 10 and the trailer 300, so that the first connector 10 is more firmly connected with the trailer 300.

Specifically, the second connection portion 12 and the trailer 300 form a vertical plane, and the reinforcing rib 14 is disposed on the vertical plane, so that the second connection portion 12, the reinforcing rib 14 and the trailer 300 are connected to each other two by two. The rib 14 may be triangular or trapezoidal, or may be a rectangular column, and the shape of the rib 14 is not limited herein. The ribs 14 may be formed using an injection molding process, making the ribs 14 simpler and less costly to manufacture, and lighter in overall weight. Of course, the reinforcing bars 14 may be made of metal, composite material, etc., so that the reinforcing bars 14 have sufficient rigidity to ensure durability and stability of the first connecting member 10 and the trailer 300.

Referring to fig. 3 again, in some embodiments, the first connecting portion 11 has a first mounting hole 111. The first connection portion 11 is connected to the sensor 30 through the first mounting hole 111 by a first fastener 112. In this way, the first connecting portion 11 of the first connecting member 10 and the sensor 30 can be firmly connected, and the sensor 30 is prevented from falling off.

Specifically, the number of the first mounting holes 111 may be multiple, the number of the first fastening pieces 112 may also be multiple, the multiple first mounting holes 111 are arranged at intervals, and the first mounting holes 111 correspond to the first fastening pieces 112 one by one. The sensor 30 is provided with first fitting holes 31, the number of the first fitting holes 31 is the same as the number of the first mounting holes 111, and in the depth direction of the first fitting holes 31, the first fitting holes 31 are aligned with the first mounting holes 111.

When mounting, the first fastening member 112 is sequentially inserted through the first mounting hole 111 and the first fitting hole 31, so that the first connection portion 11 is securely connected to the sensor 30. Illustratively, the first mounting hole 111 and the first mating hole 31 may be threaded holes, and the first fastening member 112 may be a bolt that is threadedly mated with the threaded holes so that the first connection portion 11 can abut against the sensor 30.

Referring to fig. 3, in some embodiments, the sensor 30 is provided with a second mounting hole 32, and the sensor 30 is connected to the second connector 20 through the second mounting hole 32 by a second fastener 34.

In this manner, by fixing the sensor 30 to the second link 20, the sensor 30 can be stably connected between the first link 10 and the second link 20, so that the sensor 30 can stably measure the load to which the towing hook 210 is subjected.

Referring to fig. 3 and 4, in some embodiments, the first connecting element 10 has a through hole 113. The second mounting hole 32 penetrates the through hole 113. The second mounting hole 32 is disposed in alignment with the through hole 113 in the depth direction of the through hole 113. Therefore, the second mounting hole 32 and the through hole 113 are used for conveniently and fixedly mounting the sensor 30, and the sensor 30 is prevented from being subjected to position deviation to influence the acquisition effect.

Specifically, the sensor 30 may be provided with a first avoiding hole 33, the second connecting member 20 may be provided with a second avoiding hole 21, an axis of the second avoiding hole 21 and an axis of the first avoiding hole 33 are on the same straight line, and the second fastening member 34 sequentially penetrates through the first avoiding hole 33 and the second avoiding hole 21, so that the sensor 30 and the second connecting member 20 can be fixed together. The axis of the first avoiding hole 33 is collinear with the axis of the second mounting hole 32, and the diameters of the second mounting hole 32 and the through hole 113 are larger than the diameter of the first avoiding hole 33, so that the sensor 30 can be mounted conveniently. The tester can insert the second fastening member 34 into the first avoiding hole 33 and the second avoiding hole 21 through the through hole 113 and the second mounting hole 32, so that the sensor 30 is tightly connected to the second connector 20.

Referring to fig. 4, in some embodiments, the second connecting member 20 may include a third connecting portion 22 and a fourth connecting portion 23. The fourth connection portion 23 is connected to the third connection portion 22. The sensor 30 is connected to the third connection portion 22, and the third connection portion 22 and the fourth connection portion 23 sandwich the hook 210.

In this way, the second connector 20 is connected to the sensor 30, and the towing hook 210 is interposed by the second connector 20, so that the sensor 30 can collect load data of the towing hook 210.

Specifically, a coupling hole may be formed at the coupling head 211 of the towing hook 210, and the coupling hole is aligned with the through hole 113 in a depth direction of the coupling hole. So that the second fastening member 34 passes through the second mounting hole 32 and the through hole 113 in sequence and then is coupled to the coupling hole. The sensor 30 can be limited by the second fastener 34, and the sensor 30 does not deviate from the position in the test process, so that the sensor 30 can accurately acquire data of the load borne by the towing hook 210.

Referring to fig. 4 and 5, in some embodiments, the third connecting portion 22 and the fourth connecting portion 23 together define a mounting groove 24, and the mounting groove 24 is used for being clamped with the connecting head 211 formed by the towing hook 210, so that the connecting head 211 is clamped in the mounting groove 24.

Specifically, the mounting groove 24 may be spherical or cubic, and the shape of the mounting groove 24 is not limited herein. The shape of the mounting groove 24 is matched with the coupling head 211 of the towing hook 210, so that the coupling head 211 of the towing hook 210 can be stably clamped between the third connecting portion 22 and the fourth connecting portion 23. During the test of the driving of the tractor 200 and the trailer 300, the towing hook 210 is prevented from falling off the second connection member 20, so that the sensor 30 cannot acquire the load data of the towing hook 210.

Referring to fig. 5, in some embodiments, the third connecting portion 22 includes a first mounting section 221 and a second mounting section 222, and the first mounting section 221 is connected to the second mounting section 222. The first mounting section 221 and the second mounting section 222 enclose an accommodation space 223, and the fourth connection portion 23 is fitted in the accommodation space 223.

In this way, the fourth connecting portion 23 is fitted in the accommodating space 223 of the third connecting portion 22, so that the second connector 20 is compact and easy to detach.

Specifically, the first mounting section 221 may have a plate shape, the second mounting section 222 may have a rectangular parallelepiped shape, and one end of the first mounting section 221 is connected to the second mounting section 222 such that the third connection part 22 is substantially formed in a "l" shape. Preferably, the third connecting portion 22 may be manufactured by integral molding.

The fourth connecting portion 23 may have a rectangular parallelepiped shape, and when the fourth connecting portion 23 is fitted in the accommodating space 223, the entire second connecting member may have a rectangular parallelepiped shape. The third connecting portion 22 and the second mounting section 222 together define a mounting groove 24 in which the coupling head 211 of the towing hook 210 can be mounted.

The second mounting section 222 may be opened with a second fitting hole 2221, the second fitting hole 2221 is spaced apart from the mounting groove 24, the fourth connecting portion 23 is formed with a third fitting hole 231, and the third fitting hole 231 is aligned with the second fitting hole 2221 in a depth direction of the third fitting hole 231.

When the towing hook 210 is partially caught in the third connecting portion 22, the fourth connecting portion 23 is further fitted in the receiving space 223 of the third connecting portion 22, so that the coupling head 211 of the towing hook 210 is completely caught in the mounting groove 24. The third fastening member 232 is inserted through the second fitting hole 2221 and the third fitting hole 231 so that the fourth connecting part 23 is firmly fixed to the third connecting part 22.

During the installation of the sensor assembly 100, the first connecting member 10 may be welded to the trailer 300, and after the first connecting member 10 is determined to be fixed, the first fastening member 112 sequentially passes through the first installation hole 111 and the first mating hole 31, so that the sensor 30 is fixed in the installation space 13 of the first connecting member 10; the first fastening piece 112 is inserted into the first avoidance hole 33 and the second avoidance hole 21 in sequence through the through hole 113 of the first connecting piece 10 and the second mounting hole 32 of the sensor 30, and the sensor 30 is fastened and connected with the third connecting portion 22 of the second connecting piece 20; the connecting head 211 is clamped in a part of the mounting groove 24 positioned at the third connecting part 22; the fourth connecting portion 23 is fitted in the accommodating space 223 such that the connection head 211 is completely caught in the mounting groove 24 defined by the third connecting portion 22 and the fourth connecting portion 23; finally, the third fastening member 232 is inserted into the second fitting hole 2221 and the third fitting hole 231, and the connecting head 211 of the towing hook 210 is fastened and installed with the second connecting member 20; the installation of the sensor assembly 100 is completed. It should be noted that the axes of the second mounting hole 32, the through hole 113, the first avoiding hole 33 and the second avoiding hole 21 are all in the same straight line, so that the sensor assembly 100 is compact and beautiful.

After the sensor assembly 100 is installed, the output channel of the sensor 30 is connected with the collector of the tractor 200, a tester collects the loads of the first direction, the second direction and the third direction of the position of the connector 211 of the towing hook 210 under the strengthened road condition of a test field, the collected data are used for fatigue strength durable rack verification and CAE virtual fatigue analysis in the design and development stage, the structural strength of the towing hook 210 is optimized in time, and the towing hook 210 is structurally disabled.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A sensor assembly, comprising:

the first connecting piece is used for connecting the trailer;

the second connecting piece is used for connecting a towing hook of the towing vehicle; and

the sensor is arranged between the first connecting piece and the second connecting piece and used for collecting loads of the traction hook in a first direction, a second direction and a third direction, and the first direction, the second direction and the third direction are crossed pairwise.

2. The sensor assembly of claim 1, wherein the first connector includes a first connection portion and a second connection portion connected to the first connection portion, the first connection portion and the second connection portion enclosing an installation space, the sensor being connected to the first connection portion and disposed within the installation space, the second connection portion being configured to be connected to the trailer.

3. The sensor assembly of claim 2, wherein the first connector includes a reinforcing rib connected to the second connector, the reinforcing rib for secure connection to the trailer.

4. The sensor assembly of claim 2, wherein the first connecting portion defines a first mounting hole, and the first connecting portion is coupled to the sensor by a first fastener passing through the first mounting hole.

5. The sensor assembly of claim 1, wherein the sensor defines a second mounting hole, and the sensor is coupled to the second connector by a second fastener passing through the second mounting hole.

6. The sensor assembly of claim 5, wherein the first connector defines a through hole, and the second mounting hole is disposed through the through hole and aligned with the through hole in a depth direction of the through hole.

7. The sensor assembly of claim 1, wherein the second connector includes a third connector portion and a fourth connector portion connected to the third connector portion, the sensor is connected to the third connector portion, and the third connector portion and the fourth connector portion sandwich the towing hook.

8. The sensor assembly of claim 7, wherein the third connecting portion and the fourth connecting portion together define a mounting groove for engaging with a connector formed by the towing hook, such that the connector is engaged in the mounting groove.

9. The sensor assembly according to claim 7, wherein the third connecting portion includes a first mounting section and a second mounting section connected to the first mounting section, the first mounting section and the second mounting section enclose an accommodating space, and the fourth connecting portion is fitted in the accommodating space.

10. A testing device, comprising:

a tractor;

towing the vehicle; and

the sensor assembly of claims 1-9, the first connector being coupled to the trailer and the second connector being coupled to a towing hook of the towing vehicle.

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