CN215492327U

CN215492327U - Sensor fixing device

Info

Publication number: CN215492327U
Application number: CN202121402269.4U
Authority: CN
Inventors: 魏坤; 郝世昌; 刘志宣; 陈成; 郝飞
Original assignee: Hefei Lianbao Information Technology Co Ltd
Current assignee: Hefei Lianbao Information Technology Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-11
Anticipated expiration: 2031-06-23

Abstract

The embodiment of the utility model provides a sensor fixing device, which comprises: the base body is detachably arranged on the vibrating table and is provided with a first groove body arranged along a first direction and a second groove body arranged along a second direction, and the first groove body is communicated with the second groove body; rotate the piece, it is used for being connected with the sensor, it installs detachablely to rotate the piece in first cell body or the second cell body, and can be relative first cell body or second cell body rotate, in order to follow first cell body rotates to the second cell body, or follows the second cell body rotates to first cell body in, in order to adjust the direction of sensor. The sensor fixing device has a simple structure, and the direction of the sensor can be adjusted without disassembly.

Description

Sensor fixing device

Technical Field

The embodiment of the utility model relates to the field of electronic equipment manufacturing, in particular to a sensor fixing device.

Background

With the continuous improvement of the technology level, electronic products have been advanced into various industry fields, and Notebook computers (notebooks, NBs) as carriers of integrated circuit products are widely applied to various fields of industrial economic development, online education and learning, daily office work and the like. The use scenes are various, or the notebook computer is still arranged at home, or used on a vehicle running on bumps, or used in a cockpit of a marine ship carrier, and all the things can not be separated from the notebook computer body with a reliable structure. If the internal devices of the notebook computer are loosened and fall off, internal power failure can be caused if the internal devices of the notebook computer are light, poor contact can be caused if the internal devices of the notebook computer are not light, and internal circuit boards can be burnt by short circuit of the notebook computer if the internal devices of the notebook computer are heavy. Therefore, how to complete a quick and accurate structural vibration test in the design and development stage is a problem which needs to be solved urgently at present. The NB body is typically subjected to random vibration and sweep vibration tests to simulate the NB on-board conditions and explore its own vibration frequency. In the test, simulation is carried out on the existing vibration table, including the horizontal direction (X/Y direction) and the vertical Z direction.

The vibrating table mainly comprises four parts: the device comprises an electric vibration table, a power amplifier, a cooling system and a vibration controller. The existing sensor is characterized in that a connecting screw is directly fixed on a vibration table board after the direction is changed every time, so that the connecting screw is abraded, and the abrasion loss is large in the using process, so that the damage of the sensor is accelerated. Moreover, some operators do not standardize the operation and directly fix the acceleration sensor by glue, so that the measurement error is increased and the referential performance of the test data is reduced. In addition, the connecting screw is small, is easy to lose in the disassembling process, and the screw thread is thin and is inconvenient for using tools.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sensor fixing device which is simple in structure and can adjust the direction of a sensor without disassembly.

In order to solve the above technical problem, an embodiment of the present invention provides a sensor fixing device, including:

the base body is detachably arranged on the vibrating table and is provided with a first groove body arranged along a first direction and a second groove body arranged along a second direction, and the first groove body is communicated with the second groove body;

rotate the piece, it is used for being connected with the sensor, it installs detachablely to rotate the piece in first cell body or the second cell body, and can be relative first cell body or second cell body rotate, in order to follow first cell body rotates to the second cell body, or follows the second cell body rotates to first cell body in, in order to adjust the direction of sensor.

Optionally, the first direction and the second direction are perpendicular to each other.

Optionally, the first direction is a direction parallel to the table top of the vibration table, and the second direction is a direction perpendicular to the table top of the vibration table.

Optionally, the base body comprises a horizontal portion and a vertical portion, the horizontal portion and the vertical portion are matched to form an L shape, the first groove body is arranged on the horizontal portion, and the second groove body is arranged on the vertical portion.

Optionally, the first groove body and the second groove body are matched with the rotating piece in shape, the first ends of the first groove body and the second groove body are intersected and communicated with each other, and the second ends of the first groove body and the second groove body respectively penetrate through the end portions of the horizontal portion and the vertical portion correspondingly.

Optionally, the rotating part is a cube with a rectangular longitudinal section, one end of the rotating part is rotatably arranged at the first end of the first groove body, which is intersected with the second groove body, and the other end of the rotating part is provided with the sensor.

Optionally, the length of the rotating member is greater than the lengths of the first slot body and the second slot body.

Optionally, a concave-convex matching structure is correspondingly arranged between the rotating piece and the first groove body and between the rotating piece and the second groove body, so that the rotating piece is limited in the first groove body or the second groove body.

Optionally, the base body is provided with a top member corresponding to the first slot body and the second slot body, the top member penetrates through the corresponding first slot body or the corresponding second slot body and abuts against the rotating member, so that the rotating member is fixed in the first slot body or the second slot body.

Optionally, be equipped with the screw on the shaking table, the base member passes through the bolt and is connected with the screw that corresponds, and then will the base member is installed on the shaking table.

Based on the disclosure of the above embodiment, the embodiment of the utility model has the beneficial effects that the sensor can realize switching in the first direction and the second direction by being connected with the rotating piece by arranging the base body, the first groove body, the second groove body and the rotating piece capable of rotating and switching between the two groove bodies, so that the effect of changing the sensing direction is achieved. In addition, in the process of changing the direction of the sensor, the base body does not need to be disassembled, so that manual disassembling operation is greatly reduced, the problem of accuracy reduction of the sensor caused by frequent transposition of the base body is solved, and the positioning accuracy of the sensor is improved. In addition, the sensor fixer in the embodiment has the advantages of simple and compact integral structure, convenience in installation, high structural reliability and long service life, and supports vibration tests of equipment under various different magnitude accelerations.

Drawings

Fig. 1 is a schematic structural view of a sensor holder according to an embodiment of the present invention, showing a structural state between a rotating member and the sensor holder in a horizontal state.

Fig. 2 is a schematic structural view of a sensor holder according to an embodiment of the present invention, showing a structural state between a rotating member and the sensor holder in a vertical state.

Fig. 3 is an exploded view of a sensor fixing device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a substrate in an embodiment of the present invention.

Description of the drawings:

1-a vibration table; 2-a substrate; 3-inner hexagonal screw I; 4-inner hexagonal screw II; 5-top piece (hexagon socket head cap screw III); 6-an acceleration sensor; 7-sensor connection line cable; 8-a rotating member; 9-connecting screws; 10-a first trough body; 11-a second trough body; 12-convex.

Detailed Description

The following detailed description of specific embodiments of the present invention is provided in connection with the accompanying drawings, which are not intended to limit the utility model.

It will be understood that various modifications may be made to the embodiments disclosed herein. The following description is, therefore, not to be taken in a limiting sense, but is made merely as an exemplification of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.

These and other characteristics of the utility model will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.

It should also be understood that, although the utility model has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the utility model, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.

The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, an embodiment of the present invention provides a sensor fixing device, including:

the base body 2 is detachably arranged on the vibration table 1, the base body 2 is provided with a first groove body 10 arranged along a first direction and a second groove body 11 arranged along a second direction, and the first groove body 10 is communicated with the second groove body 11;

the rotation piece, it is used for being connected with the sensor, rotate the piece and install detachablely in first cell body 10 or second cell body 11, and can be relative first cell body 10 or second cell body 11 rotate, in order to follow first cell body 10 rotates to second cell body 11, or follows second cell body 11 rotates to first cell body 10 in, in order to adjust the direction of sensor.

For example, the substrate 2 may be any shape and structure, and may be made of any rigid material, such as cubic, steel or hard aluminum. This base member 2 is installed on shaking table 1 with the detachable mode, if through the connecting piece, the buckle, retaining member etc. install on shaking table 1, can cooperate this connecting piece, buckle on the shaking table 1 simultaneously, retaining member etc. are provided with corresponding connection, locking structure to be used for with above-mentioned connecting piece, buckle, retaining member etc. link to each other. A first groove body 10 is arranged on the base body 2 along a first direction, a second groove body 11 is arranged on the base body along a second direction different from the first direction, and the two groove bodies are communicated with each other. The rotating part is used for being connected with the sensor, and the sensor can be connected with the rotating part in a detachable mode, such as through a bolt and a clamping structure, so that the sensor can be replaced and different sensors can be detached. Should rotate a detachably and install in first cell body 10 or second cell body 11 to can rotate first cell body 10 and second cell body 11 relatively, in order to drive the sensor and rotate to second cell body 11 from first cell body 10, or rotate to first cell body 10 from second cell body 11, and then reach the effect of adjustment sensor direction. Set up first cell body 10 and second cell body 11 mainly used spacing rotation piece in this embodiment, and then spacing sensor to when making shaking table 1 vibration, rotate the piece and can not take place to rotate easily, and then influence sensor work, cause test error big, the condition emergence that test data does not have reference value.

Based on the disclosure of above-mentioned embodiment can know, the beneficial effect that this embodiment possesses includes through setting up base member 2, first cell body 10, second cell body 11 and can rotate the rotation piece that switches between two cell bodies for the sensor can realize switching on first direction and second direction through being connected with rotating the piece, reaches the effect that changes the sensing direction. In addition, in the process of changing the direction of the sensor, the base body 2 does not need to be detached, manual detaching operation is greatly reduced, the problem of accuracy reduction of the sensor caused by frequent transposition of the base body 2 is solved, and the positioning accuracy of the sensor is improved. In addition, the sensor fixer in the embodiment has the advantages of simple and compact integral structure, convenience in installation, high structural reliability and long service life, and supports vibration tests of equipment under various different magnitude accelerations.

Specifically, the vibration table 1 in this embodiment is provided with screw holes, and the substrate 2 is connected to the corresponding screw holes by bolts, so that the substrate 2 is mounted on the vibration table 1. The number and positions of the bolts and the screw holes are not fixed, and it is sufficient if the base body 2 can be stably fixed to the vibration table 1.

Further, the first direction and the second direction in this embodiment are perpendicular to each other. Of course, other directional relationships, such as intersection, non-coplanar relationship, etc., may be used, and the specific relationship may be determined according to the actual testing direction. The first direction in this embodiment is a direction parallel to the top surface of the vibration table 1, and the second direction is a direction perpendicular to the top surface of the vibration table 1.

Specifically, as shown in fig. 4, the base body 2 in this embodiment includes a horizontal portion and a vertical portion, the horizontal portion and the vertical portion cooperate to form an L shape, the horizontal portion is parallel to the table surface of the vibration table 1, the vertical portion is perpendicular to the table surface of the vibration table 1, the first tank 10 is disposed on the horizontal portion, and the second tank 11 is disposed on the vertical portion.

Further, in the present embodiment, the fixed rotor is a cube having a rectangular longitudinal section, but may have other shapes such as a cylindrical shape. The first tank body 10 and the second tank body 11 are matched with the rotating piece in shape, namely, the first tank body and the second tank body are both cubic bodies with rectangular longitudinal sections. The first ends of the first tank body 10 and the second tank body 11 are intersected and communicated with each other, and the second ends of the first tank body 10 and the second tank body 11 respectively and correspondingly penetrate through the end parts of the horizontal part and the vertical part. That is, the first tank body 10 and the second tank body 11 are connected to each other to form an L-shaped groove, and both ends of the L-shaped groove are open ends. One end of the rotating part is rotatably arranged at the first end of the intersection of the first groove body 10 and the second groove body 11, the other end of the rotating part is provided with a sensor, the sensor is fixed on the rotating part through a connecting screw, and meanwhile, the sensor is also connected with a connecting wire cable. When the rotating part rotates, the sensor can be driven to rotate within the range of 0-90 degrees.

Optionally, the length of the rotation piece in this embodiment is greater than the lengths of the first groove body 10 and the second groove body 11, and specifically, the length can be increased by about 2mm, and certainly, the length can also be 3mm and the like, so as to reserve allowance for the abrasion of the rotation piece, and ensure that the sensor can extend out of the first groove and the second groove.

Optionally, a concave-convex matching structure is correspondingly arranged between the rotating member and the first slot body 10 and between the rotating member and the second slot body 11, so that the rotating member is limited in the first slot body 10 or the second slot body 11. For example, the first groove body 10 and the second groove body 11 may be respectively provided with a protrusion 12, such as a cylinder, and the rotating member is correspondingly provided with a clamping groove, which may be a circular groove, and the diameter of the clamping groove may be about 0.1mm larger than that of the cylinder, so as to ensure that the cylinder can be smoothly inserted into the clamping groove. When rotating in rotating to each recess, corresponding cylinder and draw-in groove cooperation are connected, and then spacing rotation piece, improve the cooperation precision between rotation piece and the recess.

Furthermore, the base body 2 in this embodiment is provided with a top member 5 corresponding to the first slot body 10 and the second slot body 11, and the top member 5 penetrates through the corresponding first slot body 10 or the second slot body 11 and abuts against the rotating member, so as to fix the rotating member in the first slot body 10 or the second slot body 11. That is, the both sides that lie in first cell body 10 on the horizontal part are screwed respectively and are equipped with the tight piece 5 in top that can go deep into first cell body 10, and the both sides that lie in second cell body 11 on the vertical portion are screwed respectively and are equipped with the tight piece 5 in top that can go deep into second cell body 11, and the tight piece 5 in top that corresponds each cell body mutually supports to the tight piece that rotates in top is spacing in the recess that corresponds.

The sensor fixing device in the present embodiment is described in further detail below with reference to the accompanying drawings:

the base body 2 is connected with the vibration table 1 through two or more hexagon socket head cap screws II 4, and hole sites arranged on the vibration table 11 are provided with steel wire thread sleeves; rotate piece 8 and be connected with base member 2 through hexagon socket head cap screw I3, and rotate piece 8 and be connected with sensor 6 through connecting screw 9, this sensor 6 meets with connecting wire cable 7, and hexagon socket head cap screw III 5 is used for top tightening piece 5 to realize the base member 22 and rotate the fixed between the piece 8. The rotating part 8 is rotatably connected with the base body 22 through a hexagon socket head cap screw I3.

When the base body 2 is used, the base body 2 is firstly fixed on the vibrating table 1 through two inner hexagonal screws II 4, then the rotating piece 8 and the base body 2 can be screwed through one inner hexagonal screw I3, and the rotating piece 8 is allowed to rotate between the horizontal direction and the vertical direction relative to the base body 2. Then, the two hexagon socket head cap screws III 5 (namely the tightening pieces 5) and the rotating pieces 8 are used for screw locking to fix the rotating pieces, the locking comprises horizontal locking or locking in the vertical direction after rotating 90 degrees, and screw hole positions can be reserved on the corresponding positions on the base body 2. Finally, the free end of the rotating part 8 is in screwed connection with the sensor 6 through a connecting screw 9, and the sensor 6 is simultaneously connected with a fastening bolt of a connecting wire cable 7, so that the connection among the sensor, the sensor fixing device and the vibration table 1 is completed.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. A sensor fixation device, comprising:

2. The sensor fixture of claim 1, wherein the first and second directions are perpendicular to each other.

3. The sensor fixture of claim 1, wherein the first direction is a direction parallel to the vibration table top and the second direction is a direction perpendicular to the vibration table top.

4. The sensor fixing device according to claim 3, wherein the base includes a horizontal portion and a vertical portion, the horizontal portion and the vertical portion cooperate to form an L-shape, the first groove is provided in the horizontal portion, and the second groove is provided in the vertical portion.

5. The sensor fixing device as claimed in claim 4, wherein the first and second grooves are matched with the rotating member in shape, the first ends of the first and second grooves intersect and are communicated with each other, and the second ends of the first and second grooves respectively penetrate through the end portions of the horizontal portion and the vertical portion.

6. The sensor fixing device as claimed in claim 5, wherein the rotating member is a cube having a rectangular longitudinal section, one end of the rotating member is rotatably disposed at a first end where the first and second slots intersect, and the other end is provided with the sensor.

7. The sensor fixing device according to claim 6, wherein the length of the rotating member is greater than the lengths of the first and second grooves.

8. The sensor fixing device of claim 1, wherein a concave-convex matching structure is correspondingly arranged between the rotating member and the first groove body and between the rotating member and the second groove body, so that the rotating member is limited in the first groove body or the second groove body.

9. The sensor fixing device of claim 1, wherein the base body is screwed with a top member corresponding to the first slot and the second slot, and the top member penetrates through the corresponding first slot or the second slot and abuts against the rotating member to fix the rotating member in the first slot or the second slot.

10. The sensor fixing device according to claim 1, wherein the vibrating table is provided with screw holes, and the base is connected to the corresponding screw holes by bolts, thereby mounting the base on the vibrating table.