CN212568984U

CN212568984U - Magnetic field interference test mechanism

Info

Publication number: CN212568984U
Application number: CN202020949270.8U
Authority: CN
Inventors: 张帅彪; 卜慧君
Original assignee: Nanjing Langhe Intelligent Control Research Institute Co ltd
Current assignee: Nanjing Langhe Intelligent Control Research Institute Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-19
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a magnetic field interference test mechanism in the technical field of electronic device test, including test platform, the last regulation seat that can move in left and right directions that is connected with of test platform, the downside of adjusting the seat is fixed with the sliding part, the last sliding tray that opens of test platform, the sliding part can just slide along the sliding tray side to side, the test platform upside still is connected with the test box, at least one test ring is connected with in the test box, it has the test mouth to open on the test box, adjust the seat setting in the place ahead of test mouth, the periphery of test ring is equipped with the coil that can produce magnetic field, be connected with rotatable joint table on the regulation seat, the last rotor arm that rotationally connects with of joint table, the top of rotor arm is connected with rotatable clamp plate, the clamp plate is connected with the clamp arm one and the clamp arm two that are used for pressing from both sides tight piece that awaits measuring, can stretch into corresponding test; the utility model discloses can test the influence of magnetic field to the work of awaiting measuring, the test is convenient.

Description

Magnetic field interference test mechanism

Technical Field

The utility model belongs to the technical field of the electron device test, in particular to magnetic field interference test mechanism.

Background

The sensor is widely used in many fields, the sensor may not normally output signals under the condition of a magnetic field, and in the prior art, no special instrument is used for testing the influence of the magnetic field on the sensor, so that the reliable operation of the sensor cannot be ensured.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model discloses an overcome the weak point among the above-mentioned prior art, provide a magnetic field interference test mechanism, solve the problem of unable test magnetic field to the piece influence that awaits measuring among the prior art, the utility model discloses can realize the influence of magnetic field to the piece that awaits measuring.

The purpose of the utility model is realized like this: a magnetic field interference test mechanism comprises a test platform, wherein the test platform is connected with an adjusting seat which can move in the left and right directions, a sliding part is fixed at the lower side of the adjusting seat, a sliding groove is arranged on the test platform, the sliding part can just slide left and right along the sliding groove, the upper side of the test platform is also connected with a test box, at least one test ring is connected in the test box, a test port is arranged on the test box, the adjusting seat is arranged in front of the test port, the periphery of the test ring is provided with a coil which can generate a magnetic field, the adjusting seat is connected with a rotatable connecting table, the connecting table is rotatably connected with a rotating arm, a rotatable clamping plate is connected above the rotating arm, the clamping plate is connected with a first clamping arm and a second clamping arm which are used for clamping the piece to be tested, and the piece to be tested can extend into the corresponding test ring through the rotating arm.

In the utility model, a piece to be tested is placed between a first clamping arm and a second clamping arm, the piece to be tested in the application is mainly a sensor, a testing device is placed on a testing platform, the testing device supplies power for a coil and the piece to be tested, the piece to be tested feeds back a testing signal to the testing device, in operation, the testing device is powered on, the coil is powered on, the position of an adjusting seat is adjusted, the rotating arm is moved to a corresponding position of a required testing ring, the piece to be tested is basically positioned at a central position in the left and right directions when being inserted into the testing ring, a connecting platform rotates, the rotating arm rotates to a position opposite to the testing ring, the rotating arm rotates, the piece to be tested is inserted into the testing ring through a testing port, the rotating arm stops rotating, the clamping plate rotates to a required angle, the clamping plate stops rotating, the coil generates a magnetic field, the testing device tests whether a voltage, that is, whether the sensor is shielded or not is detected when a magnetic field exists; the utility model can test the influence of the magnetic field on the work of the piece to be tested, and the test is convenient; the method can be applied to test work, and is particularly suitable for the test work of the sensor.

In order to further realize the position control of adjusting the seat, test platform outside fixedly connected with adjusting motor, the last transmission shaft that is connected with of adjusting motor, transmission shaft and sliding part threaded connection, test platform's upside is equipped with at least one guide rail, adjust the seat and slide along guide rail.

In order to further realize the test that the piece to be tested extends into the test ring, the rotating arm is connected with an upper driving motor, the upper driving motor is fixedly connected with a connecting bracket, the upper side of the connecting bracket is fixedly provided with a rotating motor, the rotating motor is in transmission connection with a rotating shaft, the lower part of the clamping plate is fixedly connected with a fixed disc, the fixed disc is connected with the rotating shaft, the lower part of the clamping plate is fixedly connected with a clamping motor, the clamping motor is connected with a first clamping rod, the first clamping rod is provided with a plurality of first clamping teeth, the clamping plate is rotatably connected with a second clamping rod, one side of the two clamping rods, which is opposite to the first clamping rod, is provided with a plurality of second clamping teeth, the first clamping teeth are meshed with the second clamping teeth, the first clamping plate is also rotatably connected with a first connecting rod and a second connecting rod, and the upward extending end of the, one end of the clamping rod extending upwards is hinged with the lower part of the clamping arm II, one end of the connecting rod extending upwards is hinged with the clamping arm I, and one end of the connecting rod extending upwards is hinged with the clamping arm II; in the design, the clamping motor acts, the clamping motor drives the first clamping rod to rotate, the first clamping rod and the second clamping rod rotate in opposite directions once the clamping teeth drive the second clamping rod to rotate, the first clamping rod drives the first connecting rod and the first clamping arm to swing, the second clamping rod drives the first connecting rod and the second clamping arm to swing, a piece to be detected is placed between the first clamping arm and the second clamping arm, the action direction of the clamping motor is controlled, the first clamping arm and the second clamping arm clamp the piece to be detected, and after the piece to be detected is clamped, the clamping motor stops acting.

In order to increase the friction force when the first clamping arm and the second clamping arm clamp the to-be-detected piece, a first friction tooth and a second friction tooth are respectively arranged on the upper portions of the first clamping arm and the second clamping arm and on the opposite sides of the first clamping arm and the second clamping arm.

In order to further realize the rotation of connecting the platform, a plurality of spliced poles of having arranged on the regulation seat upside, be connected with the mounting panel on the spliced pole, driving motor under the fixedly connected with on the mounting panel, driving motor is connected with the transmission of connecting the platform down, and the upside of spliced pole is fixed with the fixing base, it rotationally connects on the fixing base to connect the platform.

In order to further realize the rotation of the clamping plate, the upper side of the connecting table is fixedly connected with a first rotating motor, the first rotating motor is connected with a connecting arm, the upper part of the connecting arm is fixedly connected with an extension arm, the upper part of the extension arm is connected with a second rotating motor, an output shaft of the second rotating motor is rotatably connected to the extension arm, and the second rotating motor is fixedly connected with the rotating arm.

In order to further facilitate the visual observation of the influence of the magnetic field on the piece to be tested, the forward side of the test box is fixedly connected with a voltage display.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a partially enlarged view at C in fig. 2.

Fig. 6 is a second perspective view of the present invention.

Fig. 7 is a partial enlarged view of fig. 6 at D.

The testing device comprises a mounting plate 1, an adjusting seat 2, a testing platform 3, a connecting column 4, a rotating arm 5, a voltage display 6, a clamping motor 7, a clamping plate 8, a testing port 9, a testing box 10, a coil 11, a testing ring 12, a fixing seat 13, a testing seat 14, a regulating motor 15, a lower driving motor 16, a connecting arm 17, a first rotating motor 18, a first connecting platform 19, an extension arm 20, a fixed disk 21, a rotating motor 22, an upper driving motor 23, a second rotating motor 24, a second clamping rod 25, a second clamping tooth 2501, a first clamping rod 26, a first clamping tooth 2601, a first connecting rod 27, a first clamping arm 28, a first friction tooth 2801, a second clamping arm 29, a second friction tooth 2901, a second connecting rod 30, a sliding groove 31, a 32 transmission shaft, a sliding part 33, a connecting seat 34, a 35 rotating shaft, a 36 connecting support and a 37 driving.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, a magnetic field interference test mechanism comprises a test platform 3, the test platform 3 is connected with an adjusting seat 2 capable of moving in the left-right direction, a sliding part 33 is fixed on the lower side of the adjusting seat 2, the test platform 3 is provided with a sliding groove 31, the sliding part 33 can slide right and left along the sliding groove 31, the outer side of the test platform 3 is fixedly connected with an adjusting motor 15, the adjusting motor 15 is connected with a transmission shaft 32, the transmission shaft 32 is in threaded connection with the sliding part 33, the upper side of the test platform 3 is provided with at least one guide rail, the adjusting seat 2 slides along the guide rail, the upper side of the test platform 3 is also connected with a test seat 14 with an upward opening, the test seat 14 is connected with a test box 10 through the opening, the test box 10 can be just placed in the opening, the test box 10 is connected with two test rings 12, the test box 10 is provided with a test opening 9, the adjusting seat 2 is, the periphery of the test ring 12 is provided with a coil 11 capable of generating a magnetic field, the adjusting seat 2 is connected with a rotatable connecting platform 19, the connecting platform 19 is rotatably connected with a rotating arm 5, a rotatable clamping plate 8 is connected above the rotating arm 5, the clamping plate 8 is connected with a first clamping arm 28 and a second clamping arm 29 which are used for clamping a piece to be tested, and the piece to be tested can be stretched into the corresponding test ring 12 through the rotating arm 5.

In order to further realize the test that the piece to be tested extends into the test ring 12, an upper driving motor 23 is connected on the rotating arm 5, one end of the upper driving motor 23 is rotatably connected on the rotating arm 5, the other end of the upper driving motor 23 is connected with a driving shaft 37, the driving shaft 37 is rotatably connected on the rotating arm 5, a connecting bracket 36 is fixedly connected on the upper driving motor 23, a rotating motor 22 is fixed on the upper side of the connecting bracket 36, a rotating shaft 35 is connected on the rotating motor 22 in a transmission manner, a fixed disc 21 is fixedly connected below the clamping plate 8, the fixed disc 21 is connected with the rotating shaft 35, a clamping motor 7 is fixedly connected on the lower part of the clamping plate 8, a clamping rod I26 is connected on the clamping motor 7, a plurality of clamping teeth I2601 are arranged on the clamping rod I26, a clamping rod II 25 is rotatably connected on the clamping plate 8, a plurality of clamping teeth II 2501 are arranged, the first clamping tooth 2601 is meshed with the second clamping tooth 2501, the first connecting rod 27 and the second connecting rod 30 are further rotatably connected to the clamping plate 8, the upward extending end of the first clamping rod 26 is hinged to the lower portion of the first clamping arm 28, the upward extending end of the second clamping rod 25 is hinged to the lower portion of the second clamping arm 29, the upward extending end of the first connecting rod 27 is hinged to the first clamping arm 28, and the upward extending end of the second connecting rod 30 is hinged to the second clamping arm 29; the first friction teeth 2801 and the second friction teeth 2901 are respectively arranged on the opposite sides of the upper parts of the first clamping arm 28 and the second clamping arm 29.

In order to further realize the rotation of the connecting platform 19, a connecting seat 34 is fixed on the upper side of the adjusting seat 2, a plurality of connecting columns 4 are distributed on the upper side of the connecting seat 34, a mounting plate 1 is connected onto the connecting columns 4, a lower driving motor 16 is fixedly connected onto the mounting plate 1, the lower driving motor 16 is in transmission connection with the connecting platform 19, a fixed seat 13 is fixed on the upper side of each connecting column 4, and the connecting platform 19 is rotatably connected onto the fixed seat 13; the upper side of the connecting table 19 is fixedly connected with a first rotating motor 18, the first rotating motor 18 is connected with a connecting arm 17, the upper portion of the connecting arm 17 is fixedly connected with an extension arm 20, the upper portion of the extension arm 20 is connected with a second rotating motor 24, an output shaft of the second rotating motor 24 is rotatably connected to the extension arm 20, and the second rotating motor 24 is fixedly connected to the lower portion of the rotating arm 5.

In the utility model, a piece to be tested is put between the first clamping arm 28 and the second clamping arm 29, the piece to be tested in the application is mainly a sensor, a testing device is placed on the testing platform 3, the testing device supplies power to the coil 11 and the piece to be tested, the piece to be tested feeds a testing signal back to the testing device, in operation, the testing device is powered on, the coil 11 is powered on, the adjusting motor 15 acts, the transmission shaft 32 rotates, the transmission shaft 32 drives the sliding part 33 to move, the sliding part 33 drives the adjusting seat 2 to move, so that the piece to be tested moves to a specified position corresponding to the testing ring 12, the adjusting motor 15 stops acting, the lower driving motor 16, the first rotating motor 18, the second rotating motor 24 and the upper driving motor 23 act in sequence, the piece to be tested is inserted into the testing ring 12, the rotating motor 22 acts, the rotating motor 22 drives the fixed disk 21 to rotate, when the piece to be tested, the rotating motor 22 stops acting, the rotating arm 5 rotates to enable the piece to be tested to be inserted into the testing ring 12 through the testing port 9, the lower driving motor 16, the first rotating motor 18, the second rotating motor 24 and the upper driving motor 23 stop acting, the coil 11 generates a magnetic field, the testing device receives an output signal of the piece to be tested, the piece to be tested sends the output signal to the voltage display 6, the voltage display 6 displays a voltage value, and whether the piece to be tested normally outputs the signal can be visually seen through the voltage display 6; the utility model can test the influence of different magnetic field intensity on the work of the piece to be tested, is convenient to test, can adjust the position of the piece to be tested according to actual needs, and has strong adaptability; the method can be applied to test work, and is particularly suitable for the test work of the sensor.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. A magnetic field interference test mechanism is characterized in that: including test platform, the last regulation seat that can move about that is connected with of test platform, the downside of adjusting the seat is fixed with the sliding part, and it has the sliding tray to open on the test platform, the sliding part can just be along the sliding tray horizontal slip, the test platform upside still is connected with the test box, the at least one test ring of test box in-connection has, and it has the test socket to open on the test box, adjusts the place ahead of seat setting at the test socket, the periphery of test ring is equipped with the coil that can produce magnetic field, be connected with rotatable connection platform on adjusting the seat, rotationally be connected with the rotor arm on the connection platform, the top of rotor arm is connected with rotatable clamp plate, the clamp plate is connected with the clamp arm one and the clamp arm two that are used for pressing from both sides tight piece that awaits measuring, can stretch into corresponding test ring with the piece that awaits measuring through.

2. The magnetic field disturbance testing mechanism according to claim 1, wherein: the test platform outside fixedly connected with adjusting motor, the last transmission shaft that is connected with of adjusting motor, transmission shaft and sliding part threaded connection, test platform's upside is equipped with at least one guide rail, adjust the seat and slide along guide rail.

3. The magnetic field disturbance testing mechanism according to claim 1, wherein: the upper driving motor is connected to the rotating arm, the connecting support is fixedly connected to the upper driving motor, the rotating motor is fixed to the upper side of the connecting support, the rotating motor is connected with a rotating shaft in a transmission mode, the fixing disc is fixedly connected to the lower portion of the clamping plate and connected with the rotating shaft, the clamping motor is fixedly connected to the lower portion of the clamping plate, the clamping motor is connected with a first clamping rod, a plurality of first clamping teeth are arranged on the first clamping rod, a second clamping rod is rotatably connected to the clamping plate, a plurality of second clamping teeth are arranged on one side, opposite to the first clamping rod, of the second clamping rod and meshed with the first clamping teeth, a first connecting rod and a second connecting rod are further rotatably connected to the clamping plate, one end, extending upwards, of the first clamping rod is hinged to the lower portion of the first clamping arm, and one end, extending upwards, of the two clamping rods, is hinged to, one end of the connecting rod, which extends upwards, is hinged with the first clamping arm, and the other end of the connecting rod, which extends upwards, is hinged with the second clamping arm.

4. A magnetic field disturbance testing mechanism according to claim 3, wherein: and a first friction tooth and a second friction tooth are respectively arranged on the upper parts of the first clamping arm and the second clamping arm and on the opposite sides of the first clamping arm and the second clamping arm.

5. A magnetic field disturbance testing mechanism according to any of claims 1 to 4, characterized in that: the utility model discloses a fixing base, including regulation seat, connecting platform, driving motor, connecting platform, a plurality of spliced poles have been arranged to the regulation seat upside, be connected with the mounting panel on the spliced pole, driving motor under the fixedly connected with on the mounting panel, driving motor is connected with the transmission of connecting the platform down, and the upside of spliced pole is fixed with the fixing base, it rotationally connects on.

6. A magnetic field disturbance testing mechanism according to any of claims 1 to 4, characterized in that: the upper side of the connecting table is fixedly connected with a first rotating motor, the first rotating motor is connected with a connecting arm, the upper portion of the connecting arm is fixedly connected with an extension arm, the upper portion of the extension arm is connected with a second rotating motor, an output shaft of the second rotating motor is rotatably connected to the extension arm, and the second rotating motor is fixedly connected with the rotating arm.

7. A magnetic field disturbance testing mechanism according to any of claims 1 to 4, characterized in that: and a voltage display is fixedly connected to the forward side of the test box.