CN212588338U - Millimeter wave test assembly capable of accurately adjusting test position and camera bellows provided with same - Google Patents
Millimeter wave test assembly capable of accurately adjusting test position and camera bellows provided with same Download PDFInfo
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- CN212588338U CN212588338U CN202021795527.5U CN202021795527U CN212588338U CN 212588338 U CN212588338 U CN 212588338U CN 202021795527 U CN202021795527 U CN 202021795527U CN 212588338 U CN212588338 U CN 212588338U
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Abstract
The utility model relates to a millimeter wave testing component for accurately adjusting testing position and a camera bellows provided with the same, which comprises an X-direction movement module, wherein a first movable block of the X-direction movement module can move along the X-axis direction, and is connected with a Y-direction movement module to form a structure that the Y-direction movement module can move along with the first movable block; the Y-direction movement module is provided with a second moving block, and the second moving block is connected with a signal testing device; the signal testing device transmits and receives signals of a product to be tested; the linear displacement sensor is used for obtaining the displacement distance between the first moving block and the second moving block; the X is fixed on the lateral wall of test box to the motion module, adjusts first movable block and makes Y can follow the motion of X axle direction to the motion module, adjusts the second movable block simultaneously and then carries out the removal of Y axle direction to realize the removal of two directions, the displacement of movable block is monitored by linear displacement sensor simultaneously, obtains accurate adjusting distance and test coordinate.
Description
Technical Field
The utility model relates to a radio frequency signal test box technical field especially relates to a millimeter wave test component and be equipped with camera bellows of this subassembly of accurate regulation test position.
Background
At present, with the coming of an electronic information society, various electronic products need to be detected and tested to ensure the stable performance of the electronic products or detect the root cause of problems of the electronic products, and test equipment is needed for providing detection and test environmental conditions; therefore, the shielded box in the test equipment has been rapidly developed. The shielding box is a metal body which is made of conductive or magnetic conductive materials and has various shapes, limits the electromagnetic capacity in a certain space range, is used for inhibiting radiation interference and provides a stable environment for electronic product testing.
Existing electronic products (especially mobile phones) generally have a plurality of main and auxiliary antennas (receiving signal sources) (NFC (near field communication), GPS, WiFi, bluetooth, 2G, 3G, 4G, and 5G), so the test box needs to be able to perform tests from a plurality of angles. Meanwhile, because the millimeter waves in certain frequency bands have very strong directivity, the coordinate of the best signal of the antenna product can be recorded by the test box in the production process of the antenna product, the coordinate can be used as a standard test coordinate in subsequent batch production, and the test box can be produced in batch and then debugged to a corresponding position to meet the signal test.
However, the present test box has the following problems: 1. the adjustment mode is inconvenient, and the adjustment mode is generally knocking at present, so that the first test positioning is very inconvenient, and the subsequent batch positioning is more complicated; 2. this kind of regulation mode makes the regulation precision inaccurate enough, and the test of antenna product is high to the requirement of precision, if adopts the motor to carry out the accurate regulation, can cause the influence to the test effect of test box again. There is a need for a test assembly that can precisely adjust the test position.
SUMMERY OF THE UTILITY MODEL
Aiming at the existing technologies such as: in the signal test of the antenna product, there is no device which can precisely adjust the test position.
The millimeter wave testing assembly is installed in a testing box and comprises an X-direction moving module, wherein a first moving block of the X-direction moving module can move along the X-axis direction, and the first moving block is connected with a Y-direction moving module to form a structure that the Y-direction moving module can move along with the first moving block; the Y-direction movement module is provided with a second moving block, and the second moving block is connected with a signal testing device; the signal testing device transmits and receives signals of a product to be tested; the linear displacement sensor is used for obtaining the displacement distance between the first moving block and the second moving block.
Preferably, the X-direction movement module comprises a first fixed seat and an X-direction adjusting screw rod installed on the first fixed seat, one end of the X-direction adjusting screw rod is provided with a first adjusting knob, and the first moving block is in threaded connection with the X-direction adjusting screw rod; the first moving block is also provided with a first testing rod, and the first testing rod is arranged in parallel with the X-direction adjusting screw rod; and a digital display induction connector of the linear displacement sensor is sleeved on the first test rod, and when the first moving block moves, the digital display induction connector acquires the displacement distance of the first moving block.
Preferably, a first adjusting knob is arranged at one end of the X-direction adjusting screw rod, the first adjusting knob abuts against the first fixed seat, and a first limiting block is arranged at one end of the X-direction adjusting screw rod, which penetrates out of the first moving block.
Preferably, the first fixing seat, the X-direction adjusting screw rod and the first testing rod are all made of plastic materials.
Preferably, the Y-direction movement module comprises a second fixed seat and a Y-direction adjusting screw rod installed on the second fixed seat, and the first moving block is connected with the second fixed seat; a second adjusting knob is arranged at one end of the Y-direction adjusting screw rod, and the second moving block is in threaded connection with the Y-direction adjusting screw rod; the second moving block is also provided with a second testing rod, and the second testing rod is arranged in parallel with the Y-direction adjusting screw rod; and a digital display induction connector of the linear displacement sensor is sleeved on the second test rod, and when the second moving block moves, the digital display induction connector acquires the displacement distance of the second moving block.
Preferably, the second fixing seat, the Y-direction adjusting screw rod and the second testing rod are all made of plastic materials.
Preferably, the linear displacement sensor is wrapped with wave-absorbing foam.
The test camera bellows comprises the millimeter wave test assembly, a box body and a clamp, wherein the box body is a cavity with a cavity inside, the clamp is positioned in the box body, and the clamp is used for fixing a product to be tested; the X-direction movement module is fixed on the inner side wall of the box body.
Preferably, a displacement value display is further arranged outside the box body, and the displacement value display is connected with the linear displacement sensor and is used for displaying the displacement of the first moving block and the second moving block; and the side walls of the box body are provided with side plates which can be turned over to open and close.
The utility model has the advantages that: the utility model provides a millimeter wave test component and camera bellows that is equipped with this subassembly of accurate regulation test position, install in the test box, including X to the motion module, X to the first movable block of motion module can be followed X axial direction and moved, and first movable block is connected with Y to the motion module, forms Y to the structure that the motion module can move along with first movable block; the Y-direction movement module is provided with a second moving block, and the second moving block is connected with a signal testing device; the signal testing device transmits and receives signals of a product to be tested; the linear displacement sensor is used for obtaining the displacement distance between the first moving block and the second moving block; the X is fixed on the lateral wall of test box to the motion module, adjusts first movable block and makes Y to the motion module can follow X axle direction motion, adjusts the second movable block simultaneously and then can adjust signal testing arrangement and carry out the removal of Y axle direction to realize the removal of two directions, the displacement of movable block is monitored by linear displacement sensor simultaneously, obtains accurate adjusting distance and test coordinate.
Drawings
FIG. 1 is a diagram of the structure of the test assembly of the present invention;
FIG. 2 is a structural diagram of the X-direction movement module of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;
FIG. 4 is a structural diagram of the Y-direction movement module of the present invention;
fig. 5 is a schematic view of a connection structure between the Y-direction movement module and the first moving block of the present invention;
FIG. 6 is a structural view of the testing camera bellows of the present invention;
fig. 7 is the internal structure diagram of the testing camera bellows of the present invention.
The main element symbols are as follows:
1. an X-direction movement module; 11. a first moving block; 12. a first fixed seat; 13. an X-direction adjusting screw rod; 14. a first adjustment knob; 15. a first test bar; 16. a first stopper;
2. a Y-direction motion module; 21. a second moving block; 22. a second fixed seat; 23. a Y-direction adjusting screw rod; 24. a second adjustment knob; 25. a second test bar;
3. a signal testing device; 4. a product to be tested; 5. a linear displacement sensor; 51. a digital display induction connector; 6. wave-absorbing foam; 7. a box body; 71. a clamp; 72. a displacement value display; 73. side plates.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
With the social development, the number of antennas on the electronic equipment is more and more, but the volume of the electronic equipment is limited, so that the installation positions of the antennas are not necessarily arranged on the same side, and therefore, in the existing antenna test darkbox, test devices are required to be arranged around the electronic equipment for testing signals so as to meet the antenna signal test at each angle; in the testing process, the position of the signal measuring and setting device needs to be adjusted to test signals, and most of the existing adjusting means are adjusting mechanisms similar to vernier calipers, which cannot accurately control the adjusting distance and cannot quickly calibrate the testing box of the same type of product to the optimal testing coordinate; meanwhile, the antenna test environment needs an electromagnetic shielding environment, so that metal products are required to be reduced as much as possible in the test box, and the antenna test environment is difficult to apply to a test darkbox as motor equipment capable of moving accurately.
Specifically, referring to fig. 1-5, the millimeter wave testing assembly for precisely adjusting a testing position is installed in a testing box and includes an X-direction moving module 1, a first moving block 11 of the X-direction moving module 1 can move along an X-axis direction, and the first moving block 11 is connected with a Y-direction moving module 2 to form a structure that the Y-direction moving module 2 can move along with the first moving block 11; the Y-direction movement module 2 is provided with a second moving block 21, and the second moving block 21 is connected with a signal testing device 3; the signal testing device 3 transmits and receives signals of a product 4 to be tested; the device also comprises a linear displacement sensor 5, wherein the linear displacement sensor 5 is used for obtaining the displacement distance between the first moving block 11 and the second moving block 21, when the first moving block is adjusted, the Y-direction movement module whole body moves along with the first moving block, and when the second moving block is adjusted, the signal testing device also moves synchronously, so that the movement in the X-axis direction and the Y-axis direction is realized; the two linear displacement sensors respectively monitor the displacement of the first moving block and the second moving block to obtain the displacement of the movement, so that the adjusted displacement is determined, and the coordinate calibration of the optimal test point position can be carried out after the adjustment is stopped; the test box of the same kind of products can be directly adjusted to the coordinate point position to test the antenna product.
In this embodiment, referring to fig. 2-3, the X-direction movement module 1 includes a first fixed seat 12 and an X-direction adjusting screw 13 installed on the first fixed seat 12, one end of the X-direction adjusting screw 13 is provided with a first adjusting knob 14, and a first moving block 11 is connected to the X-direction adjusting screw 13 by a thread; the first moving block 11 is also provided with a first testing rod 15, and the first testing rod 15 is arranged in parallel with the X-direction adjusting screw rod 13; the digital display induction joint 51 of the linear displacement sensor 5 is sleeved on the first test rod 15, and when the first moving block 11 moves, the digital display induction joint 51 obtains the displacement distance of the first moving block 11; because the X-direction adjusting screw rod is provided with threads, when the first adjusting knob is twisted, the first moving block moves on the X-direction adjusting screw rod, and the adjusting precision of the first moving block is 0.01 mm.
Because one end of the X-direction adjusting screw rod 13 is provided with a first adjusting knob 14, the first adjusting knob 14 is abutted against the first fixed seat 12, and one end of the X-direction adjusting screw rod 13 penetrating out of the first moving block 11 is provided with a first limiting block 16; the adjusting limit of the X-direction adjusting screw rod is limited; similarly, a limiting block is arranged on the Y-direction adjusting screw rod in the Y-direction movement module for limiting. Because the lead screw adopts motor drive more, but in order not to influence the test effect, so use adjust knob to adjust, and in the same way, all adopt plastics material with first, second fixing base, X to, Y to accommodate the lead screw and first, second test bar.
In this embodiment, please refer to fig. 4-5, the Y-direction moving module 2 includes a second fixed seat 22 and a Y-direction adjusting screw 23 installed on the second fixed seat 22, and the first moving block 11 is connected to the second fixed seat 22, so that the second fixed seat can be driven to move when the first moving block moves; one end of the Y-direction adjusting screw rod 23 is provided with a second adjusting knob 24, and a second moving block 21 is in threaded connection with the Y-direction adjusting screw rod 23; the second moving block 21 is also provided with a second testing rod 25, and the second testing rod 25 is arranged in parallel with the Y-direction adjusting screw rod; and the digital display inductive connector of the linear displacement sensor 5 is sleeved on the second test rod, and when the second moving block moves, the digital display inductive connector acquires the displacement distance of the second moving block.
As a more preferred scheme, linear displacement sensor 5 parcel has the cotton 6 of absorbing the ripples bubble, because linear displacement sensor also has the metalwork, in order to prevent to reflect the millimeter wave, so the cladding has the cotton of absorbing the ripples bubble to absorb on linear displacement sensor.
The test assembly is applied to a test dark box, please refer to fig. 6-7, and includes the millimeter wave test assembly, a box 7 and a clamp 71, wherein the box 7 is a chamber with a cavity inside, the clamp 71 is located in the box, and the clamp 71 is used for fixing a product to be tested; the X-direction movement module is fixed on the inner side wall of the box body, and the Y-direction movement module is also fixed along with the X-direction movement module, and certainly, the X-direction movement module is not limited to be installed on one side surface and can also be installed at the bottom; the testing device can move in two directions, a displacement numerical value display 72 is arranged outside the box body, and the displacement numerical value display is connected with the linear displacement sensor and used for displaying the displacement of the first moving block and the second moving block; moreover, the side wall of the box body is provided with a side plate 73 which can be turned over and opened and closed, the moving distance of the test assembly can be seen on the displacement numerical value display, and then the calibration of coordinates is carried out; in the debugging process, the displacement value displayer can be used for assisting in adjustment through the numbers, so that the displacement size is more accurate.
The utility model has the advantages that:
1. the adjustment is accurately carried out through the X-direction adjusting screw rod and the Y-direction adjusting screw rod, and the adjustment accuracy is high;
2. the linear displacement sensor can accurately calibrate and adjust the coordinate when the optimal test point is reached, and batch adjustment can be realized.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. A millimeter wave testing assembly capable of accurately adjusting a testing position is installed in a testing box and is characterized by comprising an X-direction moving module, wherein a first moving block of the X-direction moving module can move along the X-axis direction, and is connected with a Y-direction moving module to form a structure that the Y-direction moving module can move along with the first moving block; the Y-direction movement module is provided with a second moving block, and the second moving block is connected with a signal testing device; the signal testing device transmits and receives signals of a product to be tested; the linear displacement sensor is used for obtaining the displacement distance between the first moving block and the second moving block.
2. The millimeter wave test assembly capable of accurately adjusting the test position according to claim 1, wherein the X-direction movement module comprises a first fixed seat and an X-direction adjustment screw rod installed on the first fixed seat, a first adjustment knob is arranged at one end of the X-direction adjustment screw rod, and the first moving block is in threaded connection with the X-direction adjustment screw rod; the first moving block is also provided with a first testing rod, and the first testing rod is arranged in parallel with the X-direction adjusting screw rod; and a digital display induction connector of the linear displacement sensor is sleeved on the first test rod, and when the first moving block moves, the digital display induction connector acquires the displacement distance of the first moving block.
3. The millimeter wave test assembly capable of accurately adjusting the test position according to claim 2, wherein a first adjusting knob is disposed at one end of the X-direction adjusting screw rod, the first adjusting knob abuts against the first fixed seat, and a first limiting block is disposed at one end of the X-direction adjusting screw rod, which penetrates out of the first moving block.
4. The millimeter wave test assembly capable of accurately adjusting the test position according to claim 2, wherein the first fixing seat, the X-direction adjusting screw rod and the first test rod are made of plastic.
5. The millimeter wave test assembly capable of accurately adjusting the test position according to any one of claims 1 or 2, wherein the Y-direction movement module comprises a second fixed seat and a Y-direction adjustment screw rod mounted on the second fixed seat, and the first moving block is connected with the second fixed seat; a second adjusting knob is arranged at one end of the Y-direction adjusting screw rod, and the second moving block is in threaded connection with the Y-direction adjusting screw rod; the second moving block is also provided with a second testing rod, and the second testing rod is arranged in parallel with the Y-direction adjusting screw rod; and a digital display induction connector of the linear displacement sensor is sleeved on the second test rod, and when the second moving block moves, the digital display induction connector acquires the displacement distance of the second moving block.
6. The millimeter wave test assembly capable of accurately adjusting the test position according to claim 5, wherein the second fixing seat, the Y-direction adjusting screw rod and the second test rod are made of plastic.
7. The millimeter wave test assembly for precisely adjusting the test position according to claim 1, wherein the linear displacement sensor is wrapped with a wave-absorbing foam.
8. A test camera chamber is characterized by comprising the millimeter wave test assembly of any one of claims 1 to 7, a chamber body and a clamp, wherein the chamber body is a cavity with a cavity inside, the clamp is positioned in the chamber body, and the clamp is used for fixing a product to be tested; the X-direction movement module is fixed on the inner side wall of the box body.
9. The dark box for testing according to claim 8, wherein a displacement value display is further arranged outside the box body, and the displacement value display is connected with the linear displacement sensor and used for displaying the displacement of the first moving block and the second moving block; and the side walls of the box body are provided with side plates which can be turned over to open and close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021795527.5U CN212588338U (en) | 2020-08-25 | 2020-08-25 | Millimeter wave test assembly capable of accurately adjusting test position and camera bellows provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021795527.5U CN212588338U (en) | 2020-08-25 | 2020-08-25 | Millimeter wave test assembly capable of accurately adjusting test position and camera bellows provided with same |
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| Publication Number | Publication Date |
|---|---|
| CN212588338U true CN212588338U (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021795527.5U Active CN212588338U (en) | 2020-08-25 | 2020-08-25 | Millimeter wave test assembly capable of accurately adjusting test position and camera bellows provided with same |
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| Country | Link |
|---|---|
| CN (1) | CN212588338U (en) |
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- 2020-08-25 CN CN202021795527.5U patent/CN212588338U/en active Active
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