Sensor environment simulation device

Abstract

The utility model discloses a sensor environment simulation device, and belongs to the technical field of sensor testing. The device mainly comprises a placing platform; the testing part comprises a mounting plate mounted at the top of the placing platform, a plurality of groups of brackets are mounted at the top of the mounting plate, and force measuring sensors are placed at the tops of the brackets; the knocking assembly comprises a fixing column, a plurality of sets of bearing seats are arranged at the top of the fixing column, connecting rods are installed in the bearing seats, and a plurality of sets of fixing blocks are installed on the connecting rods; and the knocking hammer is installed on the fixing block, and a hammer head is arranged at the top of the knocking hammer. According to the sensor environment simulation device, through the arrangement of the test part, the cylinder drives the knocking hammer to simulate external force impact, the impact force is accurately transmitted to the force measurement sensor for measurement and analysis, through the arrangement of the second cylinder and the slide rail, the measurement sensor can rapidly receive the impact force in different directions, and the measurement accuracy is improved. And the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of sensors, in particular to a sensor environment simulation device. BACKGROUND

[0002] A sensor is a detection device that can sense information to be measured and can convert the sensed information into an electric signal or other required form of information output according to a certain rule, to meet the requirements of information transmission, processing, storage, display, recording and control. When leaving the factory, the sensor needs to be detected to ensure the accuracy of the sensor detection data.

[0003] For example, the patent with the publication number CN109341942A specifically discloses a force sensor instantaneous force testing device. Through the mutual cooperation between the hydraulic cylinder, the push plate, the fixed plate, the sliding hole and the sliding groove, the force sensor can be sent to the position directly below the ball outlet end of the ball falling pipe. At the same time of detection, the worker can fix the force sensor on the fixed plate on the other supporting plate and rotate through the rotating sleeve, so that the worker is far away from the detection position and the detection efficiency is improved.

[0004] In the above patent, through the mutual cooperation between the hydraulic cylinder, the push plate, the fixed plate, the sliding hole and the sliding groove, the worker can fix the force sensor on the fixed plate on the other supporting plate and rotate through the rotating sleeve when testing, so that the worker is far away from the detection position and the detection efficiency is improved. However, such a device often only has a single test station, which makes it only possible to simultaneously impact test a group of force sensors when testing, which limits the test efficiency, and in the case of needing to test a large number of sensors, a lot of time and manpower will be consumed. Therefore, it is necessary to provide a sensor environment simulation device capable of simultaneously testing multiple groups of sensors to solve the above problems.

[0005] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background technology of the concept of the present application, and therefore, it can contain information that does not constitute prior art. SUMMARY

[0006] Based on the above problems existing in the prior art, the problem to be solved by the present application is to provide a sensor environment simulation device, which can simultaneously test multiple groups of sensors.

[0007] The technical scheme adopted by the application to solve the technical problems is: a sensor environment simulation device, comprising a placing platform; a test part, the test part comprising a mounting plate mounted on the top of the placing platform, a plurality of groups of supports being mounted on the top of the mounting plate by bolts, a force sensor being placed on the top of the support; a knocking assembly, the knocking assembly comprising a fixing column, a plurality of groups of bearing seats being arranged on the top of the fixing column, a connecting rod being rotatably mounted in the bearing seat, a plurality of groups of fixing blocks being detachably mounted on the connecting rod according to the number of the force sensors; a knocking hammer, the knocking hammer being mounted on the fixing block, a hammer head being arranged on the top of the knocking hammer.

[0008] Further, the top of the force sensor is fixedly mounted with a contact plate, and the contact plate has a plurality of force measuring points.

[0009] Further, a stand is mounted on one side of the bearing seat, a first air cylinder is rotatably connected to the top of the stand, an installation block is rotatably connected to the output end of the first air cylinder, and the end of the installation block away from the first air cylinder is fixedly connected to the connecting rod.

[0010] Further, a slide rail is arranged on the bottom of the stand, the slide rail is mounted on the top of the placing platform, the stand is mounted on the slide rail, a second air cylinder is mounted on one side of the slide rail, and the output end of the second air cylinder is connected to the bottom of the stand.

[0011] Further, the mounting plate has handles on both sides.

[0012] The beneficial effects of the application are: the sensor environment simulation device provided by the application realizes simulation of external force impact by the knocking hammer driven by the air cylinder, accurately transmits the impact force to the force sensor for measurement and analysis, and through the second air cylinder and the slide rail, the measurement sensor can quickly receive impact force in different directions, improving the practicability of the device.

[0013] In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings accompanying the specification of the application form a part of the specification and serve to further illustrate the illustrative embodiments of the application and to explain the application without imposing undue limitation on the application. In the drawings:

[0015] Figure 1 It is the overall schematic view of the sensor environment simulation device in the application;

[0016] Figure 2 It is Figure 1 the side view of the test part;

[0017] Figure 3 is a structural schematic diagram of a knocking assembly;

[0018] In the drawings, various reference numerals refer to various identical or similar elements.

[0019] 1, test assembly; 11, test table; 12, placement platform; 2, test part; 21, mounting plate; 211, handle; 22, support; 23, force sensor; 24, contact plate; 3, knocking assembly; 31, fixing column; 32, bearing seat; 33, connecting rod; 34, fixing block; 4, knocking hammer; 41, hammer head; 42, sliding rail; 43, stand; 44, first air cylinder; 45, mounting block; 46, second air cylinder. DETAILED DESCRIPTION

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0022] As shown in Figures 1-3 The present application provides a sensor environment simulation device, which comprises a test assembly 1 arranged in a sensor processing factory, used for simulating the vibration environment that the sensor may encounter, and verifying the accuracy of the sensor in transmitting data under these conditions;

[0023] The test assembly 1 comprises a test table 11, and a placement platform 12 is arranged on the top of the test table 11. The top of the placement platform 12 is provided with a test part 2, which comprises a mounting plate 21 fixedly installed on the top of the placement platform 12. The mounting plate 21 has handles 211 on both sides. A plurality of supports 22 are fixedly installed on the top of the mounting plate 21 by bolts. The top of the support 22 is provided with a mounting groove (not shown in the figure), and a force sensor 23 is placed in the mounting groove. The force sensor 23 is electrically connected with an external receiving device.

[0024] Meanwhile, a knocking assembly 3 is arranged on one side of the top of the placing platform 12, the knocking assembly 3 comprises a plurality of fixed columns 31 fixedly installed on the top of the placing platform 12, the top of the fixed column 31 is provided with a bearing seat 32, a connecting rod 33 is rotatably installed in the bearing seat 32, and a plurality of fixed blocks 34 are detachably installed on the connecting rod 33 according to the number of the force sensors 23, the fixed blocks 34 are suitable for freely adjusting the position on the connecting rod 33 so as to adapt to different types of sensors;

[0025] Meanwhile, a knocking hammer 4 is fixedly installed on the fixed block 34, the top of the knocking hammer 4 is provided with a hammer head 41 for contacting the force sensor 23, and the knocking hammer 4 is used for simulating external force to test or simulate the external force impact in the actual working environment;

[0026] Meanwhile, a stand column 43 is installed on one side of one of the bearing seats 32, the top of the stand column 43 is rotatably connected with a first air cylinder 44, the output end of the first air cylinder 44 is rotatably connected with a mounting block 45, and the mounting block 45 is fixedly connected with the connecting rod 33 away from the first air cylinder 44, so that when the first air cylinder 44 moves, the connecting rod 33 rotates, and the knocking hammer 4 installed on the connecting rod 33 knocks the force sensor 23 and transmits the impact force to the force sensor 23;

[0027] When the first air cylinder 44 starts to act, it can drive the mounting block 45 and the connecting rod 33 connected thereto to rotate, and with the rotation of the connecting rod 33, the knocking hammer 4 installed thereon also moves, and the hammer head 41 at the top thereof knocks the force sensor 23, so that the worker can judge the quality by observing the data transmitted by the force sensor 23.

[0028] In order to test the acceptance of the force sensor 23 to forces in different directions, the knocking assembly 3 is improved, and the specific improvements are as follows:

[0029] As shown in Figure 3 the bottom of the stand column 43 is provided with a sliding rail 42 fixedly installed on the top of the placing platform 12, the stand column 43 is slidingly installed on the sliding rail 42, a second air cylinder 46 is fixedly installed on one side of the sliding rail 42, the output end of the second air cylinder 46 is connected with the bottom of the stand column 43, and the stand column 43 can be driven to move on the sliding rail 42;

[0030] Meanwhile, the contact plate 24 is fixedly installed on the top of the force sensor 23, the contact plate 24 has a plurality of force measuring points, and probes are arranged on the bottom of the contact plate 24 corresponding to the positions of the force measuring points, the probes are suitable for contacting the top of the force sensor 23 when the hammer head 41 hits the contact plate 24, and the force sensor 23 contains a plurality of measuring channels, each channel corresponds to a force measuring point, and the channels can work simultaneously to measure the force on different points respectively;

[0031] Further, after one of the force measuring points of the contact plate 24 on the top of the force sensor 23 is tested, the connecting rod 33 is driven by the second cylinder 46 to slide in the bearing seat 32, so that the knocking hammer 4 quickly reaches the next force measuring point, and the data of the force sensor 23 receiving the force in different directions can be quickly measured, and the stability and accuracy of the knocking hammer 4 during movement are ensured.

[0032] In summary, by arranging the test part 2, the device realizes that the knocking hammer 4 is driven by the cylinder to simulate external force impact, and accurately transmits the impact force to the force sensor 23 for measurement and analysis, and by arranging the second cylinder 46 and the sliding rail 42, the measuring sensor can quickly receive impact force in different directions, and the practicability of the device is improved.

[0033] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sensor environment simulation apparatus, characterized by: Include: The placement platform (12); Test department (2), the test department (2) includes the mounting plate (21) installed on the top of the placement platform (12), the top of the mounting plate (21) is bolted with multiple groups of supports (22), the top of the support (22) is placed with a force sensor (23); Knocking assembly (3), the knocking assembly (3) includes a fixed column (31), the top of the fixed column (31) is provided with multiple groups of bearing seats (32), the inside of the bearing seat (32) is rotatably installed with a connecting rod (33), and the connecting rod (33) is detachably installed with multiple groups of fixed blocks (34) according to the number of the force sensor (23); Knocking hammer (4), the knocking hammer (4) is installed on the fixed block (34), and the top of the knocking hammer (4) is provided with a hammer head (41).

2. A sensor environment simulation device according to claim 1, characterized in that: The top of the force sensor (23) is fixedly installed with a contact plate (24), and the contact plate (24) has multiple force measuring points.

3. A sensor environment simulation device according to claim 1, characterized in that: One side of the bearing seat (32) is provided with a stand column (43), the top of the stand column (43) is rotatably connected with a first air cylinder (44), the output end of the first air cylinder (44) is rotatably connected with a mounting block (45), and the end, away from the first air cylinder (44), of the mounting block (45) is fixedly connected with the connecting rod (33).

4. A sensor environment simulation device according to claim 3, characterised in that: The bottom of the stand column (43) is provided with a sliding rail (42), the sliding rail (42) is installed on the top of the placement platform (12), the stand column (43) is installed on the sliding rail (42), one side of the sliding rail (42) is provided with a second air cylinder (46), and the output end of the second air cylinder (46) is connected with the bottom of the stand column (43).

5. The sensor environment simulation apparatus of claim 1, wherein: Both sides of the mounting plate (21) have handles (211).

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