Integrated inertial measurement module

Abstract

The utility model discloses an integrated inertial measurement module, including gyroscope and accelerometer, the outer side of gyroscope is equipped with the protection subassembly, the protection subassembly includes base and sealing box, the top of base is equipped with the sealing subassembly, the sealing subassembly includes inner ring and outer ring, the outer ring is equipped with the anti-loose subassembly, and the sealing box is equipped with the anti-loose subassembly. The anti-loosening assembly comprises a clamping plate and a guide rod, a fixing assembly is installed on the base, the fixing assembly comprises an expansion sleeve and an insertion rod, when the integrated inertial measurement module is vibrated, the expansion sleeve can be further clamped on the inner side of a fixing hole, and then the situation that the base is loosened and even falls off is effectively avoided; the installation firmness of the equipment is guaranteed, the sealing effect of the sealing box is guaranteed, dust, water vapor and the like are prevented from entering the inner side of the sealing box, then the dust, the water vapor and the like are effectively prevented from interfering inertial measurement work, the reliability of inertial measurement results is guaranteed, and the sealing box is suitable for inertial measurement work of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of inertial measurement module equipment, in particular to an integrated inertial measurement module. Background Art

[0002] In order to ensure the working safety of the aircraft, it is often necessary to use an inertial measurement module device to detect the inertia of the aircraft. The utility model patent with patent application number CN201520482191.X discloses an unmanned aerial vehicle inertial measurement module. The elastic tube and the counterweight block, the lower circuit board and the fixing plate can be connected by connecting parts such as screws. The connection is stable and reliable, which ensures the stability of the connection of the inertial measurement module and effectively extends the service life of the inertial measurement module. Therefore, compared with the prior art, the utility model has the beneficial effects of simple structure, good vibration reduction performance, stable and reliable connection and long service life. According to the technical solution disclosed by the utility model, when the existing inertial measurement module is used, on the one hand, when it is installed and fixed by bolts, it is easy to be loosened due to long-term vibration, which is not conducive to ensuring the firmness of the installation. On the other hand, it cannot effectively ensure the sealing of the inertial measurement module, and it is easy to be affected by dust, water vapor, etc., resulting in inaccurate detection, thereby reducing the reliability of inertial measurement.

[0003] Therefore, how to design an integrated inertial measurement module has become our current problem to be solved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an integrated inertial measurement module to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable design, is relatively convenient to use, and is suitable for use in the inertial measurement work of the equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated inertial measurement module, comprising a gyroscope and an accelerometer, a protective component is installed on the outside of the gyroscope, the protective component comprises a base and a sealing box, a sealing component is installed on the top of the base, the sealing component comprises an inner ring and an outer ring, an anti-loosening component is installed on the outer ring, the anti-loosening component comprises a splint and a guide rod, a fixing component is installed on the base, the fixing component comprises an expansion sleeve and an insertion rod, a locking component is installed on the outside of the insertion rod, and the locking component comprises a top plate and a spring.

[0006] Furthermore, the gyroscope is mounted on the top of the base by bolts, the accelerometer is mounted on the top of the gyroscope by bolts, and an electronic computer is mounted on one side of the gyroscope by bolts.

[0007] Furthermore, the inner ring and the outer ring are both welded to the top of the base, the inner wall of the bottom of the sealing box is sleeved on the outer side of the inner ring, and the outer ring is sleeved on the outer side of the bottom of the sealing box.

[0008] Furthermore, the outer side of the bottom of the sealing box is provided with a twill pattern, the clamping plate is clamped on the inner side of the outer ring, and one side of the clamping plate is provided with a beveled tooth, and the beveled tooth is clamped on the inner side of the twill pattern.

[0009] Furthermore, the guide rod is welded to the other side of the clamping plate, the guide rod is connected to the outer side of the outer ring through spring 2, and the bottom of the sealing box is connected to the top of the base through spring 1.

[0010] Furthermore, the expansion sleeve is welded to the bottom of the base, a socket is provided on the base, the top end of the insertion rod is installed on the top of the base, and the bottom end of the insertion rod passes through the socket and extends to the inner side of the expansion sleeve.

[0011] Furthermore, the top plate is welded to the top of the insertion rod, and the bottom of the top plate is connected to the top of the base through spring three.

[0012] Furthermore, the spring piece is welded to the top of the base, and a barb is welded on one side of the spring piece, and the barb is clamped on the outer side of the top plate.

[0013] Beneficial effects: 1. When the integrated inertial measurement module is in use, the expansion sleeve on the base is inserted into the inner side of the fixing hole of the mounting base, and then the spring sheet is pushed outward. The spring three pulls the top plate, and the top plate drives the insertion rod to be inserted into the inner side of the expansion sleeve. The expansion sleeve is clamped on the inner side of the fixing hole. At the same time, the spring sheet is clamped on the outer side of the top plate through the barbs under its own elastic force, so that the top plate can only move downward and cannot move upward. As a result, when the base is vibrated, only the insertion rod will move downward under the inertia of the top plate, so that the expansion sleeve is further clamped on the inner side of the fixing hole, thereby effectively preventing the base from loosening or even falling off, thereby ensuring the installation firmness of the equipment.

[0014] 2. When the integrated inertial measurement module is working, the gyroscope and accelerometer are used to detect the angular deflection and acceleration of the device respectively, and the inertia of the device is calculated by an electronic computer. The inner ring and the outer ring are respectively sealed on the inner side and the outer side of the bottom of the sealing box to ensure the sealing effect of the sealing box and prevent dust and water vapor from entering the inner side of the sealing box, thereby effectively preventing dust and water vapor from interfering with the inertial measurement work and ensuring the reliability of the inertial measurement results. At the same time, the second spring pulls the guide rod so that the splint is clamped on the inner side of the twill on the sealing box through the bevel teeth, so that the sealing box can only move downward when it is vibrated, thereby preventing the sealing box from loosening. At the same time, during maintenance work, the guide rod is pulled outward, and the first spring pops the sealing box upward, which is convenient for quick disassembly and detection.

[0015] 3. The integrated inertial measurement module is reasonably designed, efficient and convenient to use, and is suitable for inertial measurement of equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an integrated inertial measurement module of the utility model;

[0017] Figure 2 This is a cross-sectional view of an integrated inertial measurement module of the utility model;

[0018] Figure 3 This is a cross-sectional view of an insertion rod of an integrated inertial measurement module of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a clamping plate of an integrated inertial measurement module of the utility model;

[0020] In the figure: 1. base; 2. sealing box; 3. gyroscope; 4. accelerometer; 5. electronic computer; 6. inner ring; 7. outer ring; 8. spring one; 9. twill; 10. clamping plate; 11. guide rod; 12. spring two; 13. expansion sleeve; 14. insertion rod; 15. top plate; 16. spring three; 17. spring piece; 18. barb. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4The utility model provides a technical solution: an integrated inertial measurement module, including a gyroscope 3 and an accelerometer 4, a protective component is installed on the outside of the gyroscope 3, the protective component includes a base 1 and a sealing box 2, a sealing component is installed on the top of the base 1, the sealing component includes an inner ring 6 and an outer ring 7, an anti-loosening component is installed on the outer ring 7, the anti-loosening component includes a clamping plate 10 and a guide rod 11, a fixing component is installed on the base 1, the fixing component includes an expansion sleeve 13 and a plug rod 14, a locking component is installed on the outside of the plug rod 14, the locking component includes a top plate 15 and a spring piece 17, the expansion sleeve 13 is welded to the bottom of the base 1, a socket is opened on the base 1, the top end of the plug rod 14 is installed on the top of the base 1, the bottom end of the plug rod 14 passes through the socket and extends to the inner side of the expansion sleeve 13, the top plate 15 is welded to the top of the plug rod 14, the top plate 15 The bottom of the base 1 is connected to the top of the base 1 through a spring three 16, and the spring piece 17 is welded to the top of the base 1. A barb 18 is welded on one side of the spring piece 17, and the barb 18 is clamped on the outer side of the top plate 15. When in use, the expansion sleeve 13 on the base 1 is inserted into the inner side of the fixing hole of the mounting substrate, and then the spring piece 17 is pushed outward, and the spring three 16 pulls the top plate 15, and the top plate 15 drives the insertion rod 14 to be inserted into the inner side of the expansion sleeve 13, and the expansion sleeve 13 is clamped on the inner side of the fixing hole. At the same time, the spring piece 17 is clamped on the outer side of the top plate 15 through the barb 18 under its own elastic force, so that the top plate 15 can only move downward and cannot move upward. As a result, when the base 1 is vibrated, only the insertion rod 14 will move downward under the inertia of the top plate 15, so that the expansion sleeve 13 is further clamped on the inner side of the fixing hole, thereby effectively preventing the base 1 from loosening or even falling off, thereby ensuring the installation firmness of the equipment.

[0023] In this embodiment, the gyroscope 3 is mounted on the top of the base 1 by bolts, the accelerometer 4 is mounted on the top of the gyroscope 3 by bolts, an electronic computer 5 is mounted on one side of the gyroscope 3 by bolts, the inner ring 6 and the outer ring 7 are welded to the top of the base 1, the inner wall of the bottom of the sealing box 2 is sleeved on the outer side of the inner ring 6, the outer ring 7 is sleeved on the outer side of the bottom of the sealing box 2, a twill 9 is provided on the outer side of the bottom of the sealing box 2, the splint 10 is clamped on the inner side of the outer ring 7, one side of the splint 10 is provided with helical teeth, the helical teeth are clamped on the inner side of the twill 9, the guide rod 11 is welded to the other side of the splint 10, the guide rod 11 is connected to the outer side of the outer ring 7 by a spring 2 12, and the bottom of the sealing box 2 is connected to the top of the base 1 by a spring 1 8 When working, the angular deflection and acceleration of the device are detected by the gyroscope 3 and the accelerometer 4 respectively, and the inertia of the device is calculated by the electronic computer 5. The inner ring 6 and the outer ring 7 are respectively sealed on the inner and outer sides of the bottom of the sealing box 2 to ensure the sealing effect of the sealing box 2 and prevent dust and water vapor from entering the inner side of the sealing box 2, thereby effectively preventing dust and water vapor from interfering with the inertial measurement work and ensuring the reliability of the inertial measurement results. At the same time, the spring 2 12 pulls the guide rod 11, so that the clamping plate 10 is clamped on the inner side of the twill 9 on the sealing box 2 through the oblique teeth, so that the sealing box 2 can only move downward when it is vibrated, thereby preventing the sealing box 2 from loosening. At the same time, during maintenance work, the guide rod 11 is pulled outward, and the spring 1 8 pops the sealing box 2 upward, which is convenient for quick disassembly and detection.

[0024] The integrated inertial measurement module provides power to all electrical devices through an external power supply. When in use, the expansion sleeve 13 on the base 1 is inserted into the inner side of the fixing hole of the mounting base, and then the spring piece 17 is pushed outward, and the spring three 16 pulls the top plate 15, and the top plate 15 drives the insertion rod 14 to be inserted into the inner side of the expansion sleeve 13, and the expansion sleeve 13 is clamped on the inner side of the fixing hole. At the same time, the spring piece 17 is clamped on the outer side of the top plate 15 through the barb 18 under its own elastic force, so that the top plate 15 can only move downward and cannot move upward. As a result, when the base 1 is vibrated, only the insertion rod 14 will move downward under the inertia of the top plate 15, so that the expansion sleeve 13 is further clamped on the inner side of the fixing hole, thereby effectively preventing the base 1 from loosening or even falling off, thereby ensuring the installation firmness of the equipment. When working, the angular deflection and acceleration of the device are detected by the gyroscope 3 and the accelerometer 4 respectively, and the inertia of the device is calculated by the electronic computer 5. The inner ring 6 and the outer ring 7 are respectively sealed on the inner and outer sides of the bottom of the sealing box 2 to ensure the sealing effect of the sealing box 2 and prevent dust and water vapor from entering the inner side of the sealing box 2, thereby effectively preventing dust and water vapor from interfering with the inertial measurement work and ensuring the reliability of the inertial measurement results. At the same time, the spring 2 12 pulls the guide rod 11, so that the clamping plate 10 is clamped on the inner side of the twill 9 on the sealing box 2 through the oblique teeth, so that the sealing box 2 can only move downward when it is vibrated, thereby preventing the sealing box 2 from loosening. At the same time, during maintenance work, the guide rod 11 is pulled outward, and the spring 1 8 pops the sealing box 2 upward, which is convenient for quick disassembly and detection.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An integrated inertial measurement module, comprising a gyroscope (3) and an accelerometer (4), wherein a protective component is installed on the outer side of the gyroscope (3), wherein the protective component comprises a base (1) and a sealing box (2), wherein a sealing component is installed on the top of the base (1), wherein the sealing component comprises an inner ring (6) and an outer ring (7), wherein: An anti-loosening component is mounted on the outer ring (7), the anti-loosening component comprising a clamping plate (10) and a guide rod (11); a fixing component is mounted on the base (1), the fixing component comprising an expansion sleeve (13) and an insertion rod (14); a locking component is mounted on the outer side of the insertion rod (14), the locking component comprising a top plate (15) and a spring sheet (17).

2. The integrated inertial measurement module according to claim 1, characterized in that: The gyroscope (3) is mounted on the top of the base (1) by means of bolts, the accelerometer (4) is mounted on the top of the gyroscope (3) by means of bolts, and an electronic computer (5) is mounted on one side of the gyroscope (3) by means of bolts.

3. The integrated inertial measurement module according to claim 2, characterized in that: The inner ring (6) and the outer ring (7) are both welded to the top of the base (1); the inner wall of the bottom of the sealing box (2) is sleeved on the outer side of the inner ring (6); and the outer ring (7) is sleeved on the outer side of the bottom of the sealing box (2).

4. The integrated inertial measurement module according to claim 3, characterized in that: The outer side of the bottom of the sealing box (2) is provided with a twill (9), the clamping plate (10) is clamped on the inner side of the outer ring (7), and one side of the clamping plate (10) is provided with a beveled tooth, and the beveled tooth is clamped on the inner side of the twill (9).

5. The integrated inertial measurement module according to claim 4, characterized in that: The guide rod (11) is welded to the other side of the clamping plate (10), and the guide rod (11) is connected to the outer side of the outer ring (7) via spring 2 (12). The bottom of the sealing box (2) is connected to the top of the base (1) via spring 1 (8).

6. The integrated inertial measurement module according to claim 1, characterized in that: The expansion sleeve (13) is welded to the bottom of the base (1); a socket is provided on the base (1); the top end of the insertion rod (14) is mounted on the top of the base (1); the bottom end of the insertion rod (14) passes through the socket and extends to the inside of the expansion sleeve (13).

7. The integrated inertial measurement module according to claim 6, characterized in that: The top plate (15) is welded to the top of the insertion rod (14), and the bottom of the top plate (15) is connected to the top of the base (1) via a spring three (16).

8. The integrated inertial measurement module according to claim 7, characterized in that: The spring sheet (17) is welded to the top of the base (1), and a barb (18) is welded to one side of the spring sheet (17), and the barb (18) is clamped on the outer side of the top plate (15).

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