CN209979136U - Gravity center testing device for electronic product - Google Patents
Gravity center testing device for electronic product Download PDFInfo
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- CN209979136U CN209979136U CN201920987589.7U CN201920987589U CN209979136U CN 209979136 U CN209979136 U CN 209979136U CN 201920987589 U CN201920987589 U CN 201920987589U CN 209979136 U CN209979136 U CN 209979136U
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Abstract
The utility model discloses an electronic product focus testing arrangement belongs to testing arrangement technical field, include: the testing module comprises a floating plate and a base plate positioned below the floating plate, the floating plate is provided with a supporting seat matched with a product structure, and the base plate is fixedly provided with a power device for driving the floating plate to move up and down; the automatic testing device is characterized in that three supporting points are arranged on the base plate, when the floating plate descends, the product is only in contact with the three supporting points, force sensors are arranged between the supporting points and the base plate, the actual measurement barycentric coordinates of the product can be calculated through the readings of the three force sensors and the distances between the supporting points, whether the product is qualified or not is judged through comparison with theoretical coordinates, automatic testing can be achieved, and therefore accuracy, consistency and stability of the product are guaranteed.
Description
Technical Field
The utility model belongs to the technical field of testing arrangement, concretely relates to electronic product focus testing arrangement.
Background
With the rapid development of economy, the living standard of people is continuously improved, and electronic products such as unmanned aerial vehicles, aerial photography devices and the like are popular in the world. The electronic products fly in the sky and are influenced by a plurality of external factors, so that the consistency and stability of the products are very critical during production, the gravity center of the products is very high, and the prior art does not have equipment specially used for testing the electronic product center.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the gravity center testing device for the electronic product is provided, the gravity center of the electronic product is automatically tested, and the consistency and the stability of the product are effectively guaranteed.
In order to solve the technical problem, the technical scheme of the utility model is that:
electronic product focus testing arrangement includes: the testing module comprises a floating plate and a base plate positioned below the floating plate, the floating plate is provided with a supporting seat matched with a product structure, and the base plate is fixedly provided with a power device for driving the floating plate to move up and down; the base plate is provided with three supporting points, when the floating plate descends, the product is only contacted with the three supporting points, and a force sensor is arranged between the supporting points and the base plate.
Furthermore, the bottom of the floating plate is connected with a guide shaft seat and a guide shaft arranged on the guide shaft seat, and the substrate is provided with a linear bearing connected with the guide shaft in a sliding manner.
Furthermore, the power device is an air cylinder, a piston rod of the air cylinder is connected with a floating joint, and the bottom of the floating plate is connected with the floating joint through an air cylinder connecting plate.
Further, a level gauge is mounted on the base plate.
Furthermore, a bottom plate is fixed on the frame module, and the substrate is mounted on the bottom plate through an adjusting bolt.
Further, two distance sensors for detecting the distance between the base plate and the product are mounted on the base plate.
Further, the supporting seat comprises four side supporting seats for supporting the corners of the product and a main supporting seat for supporting the middle of the product.
Further, the supporting point is in point contact with the product.
Further, the supporting points and the supporting seat are made of polytetrafluoroethylene, polyformaldehyde or polyurethane materials.
Furthermore, be provided with the alarm lamp on the frame module, with display instrument, display that the force sensor electricity is connected and be used for controlling power device's button.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses an electronic product focus testing arrangement includes: the testing module comprises a floating plate and a base plate positioned below the floating plate, the floating plate is provided with a supporting seat matched with the product structure, and the base plate is fixedly provided with a power device for driving the floating plate to move up and down; be provided with three strong point on the base plate, when the floating plate descends, the product only contacts with three strong point, sets up force sensor between strong point and the base plate, through the reading of three force sensor and the distance between the strong point, can calculate the actual measurement barycentric coordinate of product, judges whether qualified with the comparison of theoretical coordinate, can realize automatic test to guarantee accuracy, the uniformity and the stability of product.
Drawings
Fig. 1 is a schematic structural view of the gravity center testing device of the electronic product of the present invention;
FIG. 2 is a schematic structural diagram of the test module of the present invention;
FIG. 3 is an enlarged schematic view of section A of FIG. 2;
FIG. 4 is a side view of FIG. 2;
fig. 5 is a schematic view of the initial state of the test module of the present invention;
fig. 6 is a schematic view of the testing state of the testing module of the present invention;
FIG. 7 is a schematic view of the center of gravity and support points of a product in the XOY coordinate system;
FIG. 8 is a schematic diagram of a partial structure of a product and a test module under test;
FIG. 9 is an enlarged schematic view of portion B of FIG. 8;
FIG. 10 is a schematic view of a portion of the structure of the product and the test module in another orientation during testing;
FIG. 11 is an enlarged schematic view of section C of FIG. 10;
FIG. 12 is an enlarged schematic view of section D of FIG. 10;
in the figure, 100-frame module, 110-product, 120-button, 130-display, 140-display instrument, 150-alarm lamp, 200-test module, 210-floating plate, 211-side support base, 212-main support base, 213-guide shaft base, 214-guide shaft, 215-linear bearing, 220-base plate, 221-front support point, 222-rear support point, 223-force sensor, 224-front sensor mounting plate, 225-rear sensor mounting plate, 230-cylinder, 231-floating joint, 232-cylinder connecting plate, 241-level gauge, 242-adjusting bolt, 243-distance sensor, 244-distance sensor mounting plate, 250-base plate.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
All directions referred to in the present specification are based on the drawings, and represent relative positional relationships only, and do not represent absolute positional relationships.
As shown in fig. 1, fig. 2, fig. 3 and fig. 7, the apparatus for testing the center of gravity of an electronic product 110 includes: the testing module 220 comprises a floating plate 210 and a substrate 220 positioned below the floating plate 210, the floating plate 210 is provided with a supporting seat matched with the structure of the product 110 to be tested, and a power device for driving the floating plate 210 to move up and down is fixedly mounted on the substrate 220. Three support points are arranged on the base plate 220, in an initial state, the support base and the support points are both contacted with the product 110, when the floating plate 210 descends, the product 110 is only contacted with the three support points, and a force sensor 223 is arranged between the support points and the base plate 220. The actual measurement barycentric coordinates of the product 110 can be calculated through the readings of the three force sensors 223 and the distances between the supporting points, compared with the theoretical coordinates, and whether the measured barycentric coordinates are within the tolerance range is judged to judge whether the product 110 is qualified or not. Automatic testing can be achieved to ensure accuracy, consistency and stability of the product 110. The supporting points include a front supporting point 221 and two rear supporting points 222, and three force sensors 223 are respectively mounted on the base plate 220 through a front sensor mounting plate 224 and a rear sensor mounting plate 225.
As shown in fig. 7, the test principle is: simplifying the gravity center and three supporting points of the product 110 into an XOY coordinate system, wherein the gravity center of the product 110 is D (x, y), and the three supporting points are A (x1, y1), B (x2, y2) and C (x3, y 3); the product 110 has a weight of F and the forces at the three support points are Fa, Fb, Fc.
According to the principle of statics, F ═ Fa + Fb + Fc;
according to the principle of moment balance, F x Fa x1+ Fb x2+ Fc x 3;
therefore: x ═ F (Fa × x1+ Fb × 2+ Fc × 3)/F;
the same can be obtained: y ═ F (Fa × y1+ Fb × y2+ Fc × y 3)/F;
and introducing Fa, Fb and Fc obtained by testing and known F, x1, y1, x2, y2, x3 and y3 into a formula, calculating measured values of x and y, comparing the measured values with standard values, and judging whether the measured values are in a qualified range.
As shown in fig. 4, 5 and 6, a guide shaft 214 seat and a guide shaft 214 mounted on the guide shaft 214 seat are connected to the bottom of the floating plate 210, a linear bearing 215 slidably connected to the guide shaft 214 is mounted on the base plate 220, the floating plate 210 is flexibly connected to the base plate 220 through the guide shaft 214 seat, the guide shaft 214 and the linear bearing 215, so that the floating plate 210 can move up and down with respect to the base plate 220, and four guide shaft 214 seats, four guide shafts 214 and four linear bearings 215 are provided, respectively. The power device is an air cylinder 230, a piston rod of the air cylinder 230 is connected with a floating joint 231, and the bottom of the floating plate 210 is connected with the floating joint 231 through an air cylinder connecting plate 232.
As shown in fig. 2, 3, 5 and 6, a level gauge 241 is mounted on the substrate 220 to display the horizontal state of the substrate 220 and facilitate the spot inspection. The bottom plate 250 is fixed on the frame module 100, the substrate 220 is mounted on the bottom plate 250 by the adjusting bolt 242, and when the substrate 220 is not in a horizontal state, the adjustment can be performed by the adjusting bolt 242.
As shown in fig. 3, two distance sensors 243 for detecting the distance from the product 110 are mounted on the substrate 220, and the horizontal state of the product 110 can be monitored in real time according to the values measured by the two distance sensors 243, so as to avoid misdetection and ensure the accuracy of the test. The distance sensor 243 is mounted on the substrate 220 through a distance sensor mounting plate 244, and the distance sensor 243 may be a laser sensor.
As shown in fig. 2 and 3, the supporting base includes four side supporting bases 211 for supporting the corners of the products 110 and a main supporting base 212 for supporting the middle of the products 110, so that the products 110 can be conveniently placed and positioned in the initial state, and the accuracy and consistency of the test state of the products 110 can be ensured.
As shown in fig. 8, 9, 10, 11 and 12, the supporting points are point-contact with the products 110, the contact portion between the front supporting point 221 and the products 110 is a hemispherical structure, and the contact portion between the rear supporting point 222 and the products 110 is an arc structure. Wherein, the strong point and the supporting seat are made of polytetrafluoroethylene, polyformaldehyde or polyurethane materials, and can be used for placing scratch products 110 and protecting the appearance of the products 110.
As shown in fig. 1, the frame module 100 is provided with a warning lamp 150, a display instrument 140 electrically connected to the force sensor 223, a display 130, and a button 120 for controlling the power device. The display 130 can display the test program, facilitate debugging of the program, display the progress in real time, and display the test result during testing. When the machine fails or the tool or the product 110 goes wrong, the emergency stop button 120 is pressed, and the alarm lamp 150 gives an alarm to request assistance.
The working sequence of the test by using the device is as follows: a manual or automatic handling device places the product 110 on a support; when the start button 120 is pressed, the air cylinder 230 contracts to drive the floating plate 210 to descend; after the test is completed, the value measured by the force sensor 223 is transmitted to the industrial personal computer through the display instrument 140, the test software calculates the barycentric coordinate of the airplane through the force of 3 points, and the barycentric coordinate is compared with the standard barycentric coordinate to judge whether the product 110 is qualified. After the test is completed, the cylinder 230 is reset; the products 110 are taken out by a manual or automatic handling device and placed in a classified manner according to the test results.
The utility model discloses an electronic product focus testing arrangement is through setting up three strong point on the base plate, set up force transducer between strong point and base plate, set up the supporting seat on the unsteady board that can reciprocate for the unsteady board moves down during test state, the product only contacts with three strong point, reading and the distance between the strong point through three force transducer, can calculate the actual measurement focus coordinate of product, judge whether qualified with theoretical coordinate contrast, thereby guarantee the accuracy, the uniformity and the stability of product. .
Although specific embodiments of the present invention have been described above, it should be understood by those skilled in the art that the described embodiments are only some of the embodiments of the present invention, rather than all embodiments, which are given by way of illustration only, and the scope of the present invention is defined by the appended claims. Without any inventive step, those skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the present invention.
Claims (10)
1. Electronic product focus testing arrangement which characterized in that includes: the testing module comprises a floating plate and a base plate positioned below the floating plate, the floating plate is provided with a supporting seat matched with a product structure, and the base plate is fixedly provided with a power device for driving the floating plate to move up and down; the base plate is provided with three supporting points, when the floating plate descends, the product is only contacted with the three supporting points, and a force sensor is arranged between the supporting points and the base plate.
2. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein a guide shaft seat and a guide shaft mounted on the guide shaft seat are connected to the bottom of the floating plate, and a linear bearing slidably connected to the guide shaft is mounted on the base plate.
3. The device for testing the center of gravity of an electronic product according to claim 1, wherein the power device is an air cylinder, a piston rod of the air cylinder is connected with a floating joint, and the bottom of the floating plate is connected with the floating joint through an air cylinder connecting plate.
4. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein a level is mounted on the substrate.
5. The apparatus for testing the center of gravity of an electronic product according to claim 4, wherein a bottom plate is fixed to the frame module, and the substrate is mounted on the bottom plate by an adjusting bolt.
6. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein two distance sensors for detecting the distance to the product are mounted on the substrate.
7. The apparatus for testing the center of gravity of an electronic product as claimed in claim 1, wherein the supporting base comprises four side supporting bases for supporting the corners of the product and a main supporting base for supporting the middle of the product.
8. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein the supporting point is in point contact with the product.
9. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein the supporting points and the supporting seat are made of teflon, polyoxymethylene or polyurethane.
10. The apparatus for testing the center of gravity of an electronic product according to claim 1, wherein an alarm lamp, a display instrument electrically connected to the force sensor, a display and a button for controlling the power device are provided on the frame module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987589.7U CN209979136U (en) | 2019-06-27 | 2019-06-27 | Gravity center testing device for electronic product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920987589.7U CN209979136U (en) | 2019-06-27 | 2019-06-27 | Gravity center testing device for electronic product |
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| CN209979136U true CN209979136U (en) | 2020-01-21 |
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| CN201920987589.7U Active CN209979136U (en) | 2019-06-27 | 2019-06-27 | Gravity center testing device for electronic product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798086A (en) * | 2021-01-04 | 2021-05-14 | 云南昆船电子设备有限公司 | Cylinder-like weighing equipment and weighing method |
-
2019
- 2019-06-27 CN CN201920987589.7U patent/CN209979136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798086A (en) * | 2021-01-04 | 2021-05-14 | 云南昆船电子设备有限公司 | Cylinder-like weighing equipment and weighing method |
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Effective date of registration: 20201223 Address after: 262123 west side of Xiangjiang Road and south side of Taishan street, Xin'an street, Anqiu City, Weifang City, Shandong Province (No. 37, Xiangjiang Road) Patentee after: Yili Precision Manufacturing Co.,Ltd. Address before: 266104 Room 308, North Investment Street Service Center, Laoshan District, Qingdao, Shandong. Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
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