CN218787828U

CN218787828U - Inertia measurement unit test platform

Info

Publication number: CN218787828U
Application number: CN202223389676.3U
Authority: CN
Inventors: 李超; 吴铭
Original assignee: Shanghai Zhihang Information Technology Co ltd
Current assignee: Shanghai Zhihang Information Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-04-04
Anticipated expiration: 2032-12-17

Abstract

The utility model belongs to the technical field of inertia measurement, in particular to an inertia measurement unit test platform, which comprises a test board, a test box and a measurement unit, wherein the test box and the measurement unit are fixedly arranged on the upper end surface of the test board; the measuring unit comprises a supporting table fixedly arranged on the upper end face of the test table, a rotating motor arranged on the supporting table, a rotating table arranged on an output shaft of the rotating motor and a temperature control box fixedly arranged on the upper end face of the rotating table, an inertia measuring device is placed in the temperature control box, and clamping assemblies are arranged on the periphery of the temperature control box and used for stably clamping the inertia measuring device. The defects of the prior art are overcome, the inertia measuring devices with different sizes are stably arranged through the adjustable clamping assembly, and the inertia measuring devices are matched with the testing software platform with high universality and are adaptive to the inertia measuring devices with various models.

Description

Inertia measurement unit test platform

Technical Field

The utility model belongs to the technical field of the inertia measurement, concretely relates to inertia measurement unit test platform.

Background

The inertial measurement unit is a device for measuring the three-axis attitude angle (or angular velocity) and acceleration of the moving object during movement. The inertia measuring device must be equipped with corresponding testing equipment for relevant verification in order to ensure the reliability of the inertia measuring device, and with the increasing of models of the inertia measuring device, because the hardware and the software of each model are different, the testing equipment is different, and the new model needs to be re-equipped with special testing equipment each time, which is time-consuming and labor-consuming.

The Chinese patent with the patent application number of 202111238867.7 has higher universality and is suitable for most models through the design of an upper computer and a test board card; the hardware interfaces of the universal and special test board cards are consistent, and the board cards are directly replaced before testing without other operations; however, in practice, it is found that different inertial measurement units have different sizes, and cannot be tested by one test device, and the test is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inertia measurement unit test platform has overcome the not enough of prior art, and the centre gripping subassembly through can adjusting is stabilized the inertia measurement device of equidimension not and is arranged, and the high test software platform of commonality deuterogamies makes the inertia measurement device of the various models of its adaptation.

In order to solve the above problems, the utility model adopts the following technical proposal:

an inertia measurement unit test platform comprises a test board, a test box and a measurement unit, wherein the test box and the measurement unit are fixedly arranged on the upper end surface of the test board;

the measuring unit comprises a supporting table fixedly arranged on the upper end face of the test table, a rotating motor arranged on the supporting table, a rotary table arranged on an output shaft of the rotating motor and a temperature control box fixedly arranged on the upper end face of the rotary table, wherein an inertia measuring device is placed in the temperature control box, and clamping assemblies are arranged on the periphery of the temperature control box and used for stably clamping the inertia measuring device.

Further, the host computer passes through the wire respectively with test integrated circuit board, operating panel, rotation motor and temperature control box electric connection, the test integrated circuit board passes through wire and inertia measuring device electric connection for to inertia measuring device's order receiving and dispatching, data acquisition, last display screen and the a plurality of operating button of installing of operating panel.

Further, the temperature control box includes that embedded has electrical heating element's box and demountable installation at the case lid of box open-top portion department, install temperature sensor and connection interface on the both sides lateral wall of box respectively, be connected with connecting plug on the inertia measuring device, and connecting plug and connection interface connection.

Further, the centre gripping subassembly includes splint, sets firmly the magnetic stripe that is close to temperature control box lateral wall one side at splint and sets firmly the electro-magnet that corresponds with the magnetic stripe on temperature control box lateral wall, the both sides of electro-magnet all are provided with coupling spring, and coupling spring's both ends are respectively in splint and temperature control box inside wall fixed connection.

Further, the lower terminal surface of splint sets firmly a slider, and sets up on the bottom lateral wall of temperature control box with slider complex spout, slider and spout sliding connection.

Further, the splint keep away from the one side surface bonding of magnetic stripe has elastic backing plate, and the surface of backing plate is provided with the anti-skidding line of cross form, the one side butt that the backing plate has anti-skidding line is on inertial measurement unit's surface.

Compared with the prior art, the utility model, following beneficial effect has:

an inertia measurement unit test platform is through setting up adjustable centre gripping subassembly in the temperature control box to make inertia measuring device and test platform be connected through connecting interface, realize not equidimension inertia measuring device's stable connection, the high test software platform of commonality of deuterogamying makes the inertia measuring device of the various models of its adaptation, has higher commonality, reduces the equipment cost of test.

Drawings

Fig. 1 is a schematic structural diagram of an inertial measurement unit test platform.

Fig. 2 is a schematic diagram of an internal structure of a temperature control box in an inertia measurement unit test platform.

FIG. 3 is an electrical schematic block diagram of an inertial measurement unit test platform.

In the figure: 1. a test bench; 2. a support table; 3. a turntable; 4. a temperature control box; 41. a box body; 42. a box cover; 43. a temperature sensor; 44. an electromagnet; 45. a magnetic strip; 46. a connecting spring; 47. a slider; 48. a chute; 49. positioning a plate; 410. a backing plate; 5. a test box; 6. a rotation motor; 7. an operation panel; 8. an inertial measurement unit; 81. and connecting the interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, the inertia measurement unit testing platform of the present invention comprises a testing platform 1, a testing box 5 and a measurement unit, wherein the testing box 5 and the measurement unit are fixedly arranged on the upper end surface of the testing platform 1, a power supply, an upper computer and a testing board are arranged in the testing box 5, and an operation panel 7 is embedded in the front end surface of the testing box 5;

the measuring unit comprises a supporting table 2 fixedly arranged on the upper end face of the test table 1, a rotating motor 6 arranged on the supporting table 2, a rotary table 3 arranged on an output shaft of the rotating motor 6 and a temperature control box 4 fixedly arranged on the upper end face of the rotary table 3, an inertia measuring device 8 is placed in the temperature control box 4, and clamping components are arranged around the temperature control box 4 and used for stably clamping the inertia measuring device 8.

In order to facilitate the test operation, the upper computer is respectively electrically connected with the test board card, the operation panel 7, the rotating motor 6 and the temperature control box 4 through wires, the test board card is electrically connected with the inertia measuring device 8 through wires and used for receiving and sending commands and acquiring data of the inertia measuring device 8, and the operation panel 7 is provided with a display screen and a plurality of operation buttons.

In order to control the environment temperature of the inertia measurement, the temperature control box 4 includes a box body 41 embedded with an electric heating assembly and a box cover 42 detachably installed at the opening at the top of the box body 41, a temperature sensor 43 and a connection interface 81 are respectively installed on the side walls of two sides of the box body 41, a connection plug is connected to the inertia measurement device 8, and the connection plug is connected to the connection interface 81.

For the inertial measurement unit 8 of the not equidimension of centre gripping, the centre gripping subassembly includes splint, sets firmly the magnetic stripe 45 that is close to temperature control box 4 lateral wall one side at splint and sets firmly the electro-magnet 44 that corresponds with magnetic stripe 45 on the temperature control box 4 lateral wall, and the both sides of electro-magnet 44 all are provided with coupling spring 46, and coupling spring 46's both ends are respectively in splint and 4 inside wall fixed connection of temperature control box.

In order to improve the stability, a sliding block 47 is fixedly arranged on the lower end surface of the clamping plate, a sliding groove 48 matched with the sliding block 47 is formed in the side wall of the bottom end of the temperature control box 4, and the sliding block 47 is connected with the sliding groove 48 in a sliding manner.

In order to provide protection, a pad 410 with elasticity is adhered to the surface of the side, away from the magnetic strip 45, of the clamping plate, and the surface of the pad 410 is provided with cross-shaped anti-slip threads, and the side, with the anti-slip threads, of the pad 410 abuts against the surface of the inertia measurement device 8.

To sum up, the utility model relates to an inertia measurement unit test platform, open case lid 42 at first during the use, control electromagnet 44 through operating panel 7 and start and utilize opposite poles to attract principle electromagnet 44 that electromagnet 44 attracts magnetic stripe 45 and take splint to move towards the direction of electromagnet 44, then place inertia measuring device 8 to the central point in temperature control box 4 and be connected with connection interface 81 through the connecting plug, after placing, control the magnetic pole of electromagnet 44 to reverse, utilize the mutual repulsion between the magnetic pole to drive splint to move towards inertia measuring device 8, until backing plate 410 and inertia measuring device 8 contact, thereby stabilize centre gripping its inertia measuring device 8; after clamping is finished, the box cover 42 is closed, the electric heating assembly is started to enable the temperature inside the temperature control box 4 to reach the preset temperature, then the rotating motor 6 is started to test, and the test result can be fed back to the display screen in real time; after the test is completed, the case cover 42 is opened, and the inertia measuring device 8 is taken out after the magnetic poles are reversed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An inertia measurement unit test platform which characterized in that: the device comprises a test board (1), a test box (5) and a measurement unit, wherein the test box (5) is fixedly arranged on the upper end surface of the test board (1), a power supply, an upper computer and a test board card are arranged in the test box (5), and an operation panel (7) is embedded in the front end surface of the test box (5);

the measuring unit comprises a supporting table (2) fixedly arranged on the upper end face of the test table (1), a rotating motor (6) arranged on the supporting table (2), a rotary table (3) arranged on an output shaft of the rotating motor (6) and a temperature control box (4) fixedly arranged on the upper end face of the rotary table (3), wherein an inertia measuring device (8) is placed in the temperature control box (4), and clamping components are arranged on the periphery of the temperature control box (4) and used for stably clamping the inertia measuring device (8).

2. The inertial measurement unit test platform of claim 1, wherein: the upper computer is respectively electrically connected with the test board card, the operation panel (7), the rotating motor (6) and the temperature control box (4) through wires, the test board card is electrically connected with the inertia measuring device (8) through wires for command receiving and sending and data acquisition of the inertia measuring device (8), and the operation panel (7) is provided with a display screen and a plurality of operation buttons.

3. The inertial measurement unit test platform of claim 1, wherein: temperature control box (4) are including embedded box (41) that has electric heating assembly and demountable installation at case lid (42) of box (41) open-top department, install temperature sensor (43) and connection interface (81) on the both sides lateral wall of box (41) respectively, be connected with connecting plug on inertia measuring device (8), and connecting plug is connected with connection interface (81).

4. An inertial measurement unit test platform according to claim 2, characterised in that: the centre gripping subassembly includes splint, sets firmly magnetic stripe (45) that are close to temperature control box (4) lateral wall one side at splint and sets firmly electro-magnet (44) that correspond with magnetic stripe (45) on temperature control box (4) lateral wall, the both sides of electro-magnet (44) all are provided with coupling spring (46), and the both ends of coupling spring (46) are respectively in splint and temperature control box (4) inside wall fixed connection.

5. The inertial measurement unit test platform of claim 4, wherein: the lower end face of the clamping plate is fixedly provided with a sliding block (47), the side wall of the bottom end of the temperature control box (4) is provided with a sliding groove (48) matched with the sliding block (47), and the sliding block (47) is connected with the sliding groove (48) in a sliding mode.

6. An inertial measurement unit test platform according to claim 4, wherein: the clamp plate is characterized in that an elastic base plate (410) is bonded to the surface of one side, away from the magnetic strip (45), of the clamp plate, crossed anti-slip grains are arranged on the surface of the base plate (410), and one side, provided with the anti-slip grains, of the base plate (410) is abutted to the surface of the inertia measuring device (8).