CN217385610U - Shielding box for OTA (over the air) test - Google Patents
Shielding box for OTA (over the air) test Download PDFInfo
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- CN217385610U CN217385610U CN202220293436.4U CN202220293436U CN217385610U CN 217385610 U CN217385610 U CN 217385610U CN 202220293436 U CN202220293436 U CN 202220293436U CN 217385610 U CN217385610 U CN 217385610U
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- bearing table
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- 238000012360 testing method Methods 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 239000011229 interlayer Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 210000004027 cell Anatomy 0.000 claims description 3
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 238000004891 communication Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a: a shielding box for OTA test comprises a shielding box body and a box cover which is opened and closed along the vertical direction and is arranged on the shielding box body; a driving mechanism for controlling the opening and closing of the box cover is fixed on the side wall of the shielding box body; a tool mechanism capable of stretching along the horizontal direction is movably arranged in the shielding box body; the tooling mechanism comprises a bearing table and an electric connection seat arranged above the bearing table and used for connecting the electric connection of a product on the tooling mechanism; and a test element mounting assembly with adjustable height is also arranged above the bearing table. The utility model discloses an actuating mechanism drive case lid opens and shuts, and degree of automation is higher to set up the placing of frock mechanism so that the product that awaits measuring, set up height-adjustable's test element installation component simultaneously, so that test element's installation, thereby make the utility model discloses the shielded cell uses more conveniently, can test to multiple product, and the suitability is stronger.
Description
Technical Field
The utility model belongs to the technical field of the signal shielding technique and specifically relates to a shielded cell of OTA test is related to.
Background
Electromagnetic interference (EMI) is generated along with the development of electronic and electrical technologies, and is existed in all the electronic and electrical technology fields. Electromagnetic interference generated by a large number of used electronic and electrical systems or equipment can affect human health, and meanwhile, the electromagnetic interference can also affect and harm safety, reliability and the like of the electronic and electrical systems or equipment. The harsh electromagnetic environment often causes the electronic, electrical system or equipment to fail to work normally, even causes faults and accidents, or affects the data during the test of electronic products.
However, as the requirement of wireless communication products on the accuracy of signal transmission is improved, the requirement on the anti-electromagnetic interference performance of the products is higher and higher, and the products such as wireless routers, wireless network cards, wireless headsets, automobile electronic anti-theft devices, bluetooth modules, bluetooth headsets, WI-FI, WWIMAX, wireless data cards, interphones, RFID and other wireless communication devices and wireless communication modules need to be tested for relevant electromagnetic characteristics in the development completion stage, but have extremely complex and serious electromagnetic interference in a general open environment, which easily affects the accuracy of the test. Therefore, most of the above tests must be performed in a low electromagnetic interference (even in an environment without electromagnetic interference) in order to achieve better test accuracy. At present, adopt metallic shield case to test usually, its structure is comparatively simple, and the function is more single, has great use limitation, and it is stronger to the lazy nature of manual operation.
Therefore, it is necessary to design a shielding box for OTA testing to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shielding case function ratio singleness among the prior art uses the great problem of limitation and provides the shielding case of OTA test.
Realize the utility model discloses the technical scheme of purpose is: a shielding box for OTA test comprises a shielding box body and a box cover which is opened and closed along the vertical direction and is arranged on the shielding box body; a driving mechanism for controlling the opening and closing of the box cover is fixed on the side wall of the shielding box body; a tool mechanism capable of stretching along the horizontal direction is movably arranged in the shielding box body; the tooling mechanism comprises a bearing table and an electric connection seat arranged above the bearing table and used for connecting the product on the tooling mechanism with electricity; and a test element mounting assembly with adjustable height is also arranged above the bearing table.
The driving mechanism comprises lifting cylinders which are arranged at two sides of the shielding box body in a central symmetry manner; the cylinder body of the lifting cylinder is fixedly connected with the shielding box body, and a piston rod of the lifting cylinder is fixedly connected with the box cover through a connecting seat.
An interlayer is arranged inside the shielding box body; the interlayer divides the shielding box body into a test cavity and a control cavity; the tool mechanism is arranged in the test cavity.
The tool mechanism also comprises a supporting table arranged in the testing cavity; the bearing table is connected to the support table in a sliding manner; a positioning seat for fixing a workpiece to be detected is arranged on the bearing table; and a power mechanism for driving the bearing table to extend out of or retract into the supporting table is further arranged in the testing cavity.
The power mechanism comprises a driving cylinder; the driving air cylinder is fixed in the testing cavity through an air cylinder fixing frame, and a piston rod of the driving air cylinder is fixedly connected with the bearing table through a connecting block.
The support table is provided with a slide rail; one end of the bearing table is connected to the sliding rail in a sliding mode through a sliding block; and the support table is provided with a friction block for supporting the other end of the bearing table.
The test element mounting assembly comprises a mounting rod and a supporting rod; the mounting rod is fixed on the bearing table; the mounting rod is provided with an adjusting hole along the height direction; one end of the supporting rod is fixed in the adjusting hole through a bolt; and the supporting rod is provided with a mounting hole for mounting a test element.
And a pressing rod supporting seat is fixed on the inner wall of the box cover.
And the shielding box body is provided with a photoelectric sensor for preventing hands from being clamped.
And a photographing camera is arranged on one side wall of the shielding box body, which extends out of the bearing platform.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses an actuating mechanism drive case lid opens and shuts, and degree of automation is higher to set up the placing of frock mechanism so that the product that awaits measuring, set up height-adjustable's test element installation component simultaneously, so that test element's installation, thereby make the utility model discloses the shielded cell uses more conveniently, can test to multiple product, and the suitability is stronger.
(2) The utility model discloses an actuating mechanism adopts to be the lift cylinder that central symmetry located shielding case body both sides, and not only simple structure is convenient for install, and is more stable when driving the case lid moreover and open and shut.
(3) The utility model discloses an interlayer separates the shielded cell body into test chamber and control chamber to control circuit's installation is convenient for.
(4) The utility model discloses a supporting bench has been set up to the installation of plummer, and power unit has been set up, so that the drive plummer stretches out or withdrawal test intracavity, has further improved the degree of automation of test.
(5) The utility model discloses a power unit adopts and drives actuating cylinder, and not only simple structure easily installs, and driving stability is better moreover.
(6) The utility model discloses an one end sliding connection of plummer is on a supporting bench to set up the clutch blocks that are used for supporting the plummer other end on the supporting bench, make the plummer motion more smooth.
(7) The utility model discloses a test element installation component is including installation pole and bracing piece to the bracing piece passes through in the bolt fastening is in the regulation hole on the installation pole, so that the altitude mixture control of bracing piece.
(8) The utility model discloses set up and compress tightly the pole supporting seat to the installation of depression bar, because some products need compress tightly just can test, further improved the suitability.
(9) The utility model discloses the photoelectric sensor who prevents tong has been set up to guarantee staff's operational safety nature.
(10) The utility model discloses the camera of shooing has been set up to in discerning the product, be convenient for accurately with product information record to the computer.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
The reference numbers in the figures are:
the device comprises a shielding box body 1, a test cavity 1-1, a control cavity 1-2, a box cover 2, a driving mechanism 3, a lifting cylinder 3-1, a connecting seat 3-2, a tooling mechanism 4, a bearing table 4-1, an electric connection seat 4-2, a supporting table 4-3, a positioning seat 4-4, a test element mounting assembly 5, a mounting rod 5-1, a supporting rod 5-2, an adjusting hole 5-3, a mounting hole 5-4, a power mechanism 6, a driving cylinder 6-1, a cylinder fixing frame 6-2, a connecting block 6-3, a compression rod supporting seat 7, a photoelectric sensor 8 and a photographing camera 9.
Detailed Description
(example 1)
Referring to fig. 1 and fig. 2, the shielding box for OTA testing in this embodiment includes a shielding box body 1 and a box cover 2 which is opened and closed vertically and is disposed on the shielding box body 1; a driving mechanism 3 for controlling the opening and closing of the box cover 2 is fixed on the side wall of the shielding box body 1; a tool mechanism 4 which can stretch and retract along the horizontal direction is movably arranged in the shielding box body 1; the tooling mechanism 4 comprises a bearing table 4-1 and an electric connecting seat 4-2 which is arranged above the bearing table 4-1 and used for connecting the product on the tooling mechanism 4 with electricity, and the electric connecting seat 4-2 is used for installing an electric connecting column so that the product to be tested is connected with electricity; and a test element mounting assembly 5 with adjustable height is also arranged above the bearing table 4-1.
Further, the driving mechanism 3 comprises lifting cylinders 3-1 which are arranged on two sides of the shielding box body 1 in a central symmetry manner; the cylinder body of the lifting cylinder 3-1 is fixedly connected with the shielding box body 1, the piston rod of the lifting cylinder is fixedly connected with the box cover 2 through the connecting seat 3-2, and the two lifting cylinders 3-1 which are arranged in central symmetry are adopted to drive the box cover 2 to be closed, so that the opening and closing stability of the box cover 2 can be ensured, and the automation degree is high.
Further, an interlayer is arranged inside the shielding box body 1; the interlayer divides the shielding box body 1 into a testing cavity 1-1 and a control cavity 1-2; the tool mechanism 4 is arranged in the test cavity 1-1, and a control system is convenient to install in the control cavity 1-2.
Further, the tool mechanism 4 further comprises a support table 4-3 arranged in the test cavity 1-1; the bearing table 4-1 is connected to the support table 4-3 in a sliding manner so as to ensure the stability of the movement of the bearing table 4-1; a positioning seat 4-4 for fixing a workpiece to be detected is arranged on the bearing table 4-1 so as to fix the workpiece to be detected; and a power mechanism 6 for driving the bearing table 4-1 to extend out or retract into the support table 4-3 is further arranged in the test cavity 1-1, so that the movement of the bearing table 4-1 is controlled, and the automation degree is further improved.
Further, the power mechanism 6 comprises a driving cylinder 6-1; the driving cylinder 6-1 is fixed in the testing cavity 1-1 through a cylinder fixing frame 6-2, a piston rod of the driving cylinder 6-1 is fixedly connected with the bearing table 4-1 through a connecting block 6-3, and the driving cylinder 6-1 is adopted to control the extension of the bearing table 4-1 in the embodiment, so that the installation is easy, and the driving stability is high.
Further, a slide rail 4-5 is arranged on the support table 4-3; one end of the bearing table 4-1 is connected to the slide rail 4-5 in a sliding manner through a slide block; the supporting platform 4-3 is provided with a friction block 4-6 for supporting the other end of the bearing platform 4-1, so that the bearing platform 4-1 can move more smoothly.
Further, the test element mounting assembly 5 comprises a mounting rod 5-1 and a supporting rod 5-2; the mounting rod 5-1 is fixed on the bearing table 4-1; the mounting rod 5-1 is provided with an adjusting hole 5-3 along the height direction; one end of the supporting rod 5-2 is fixed in the adjusting hole 5-3 through a bolt, so that the height of the supporting rod 5-2 is more convenient to adjust; and the supporting rod 5-2 is provided with a mounting hole 5-4 for mounting a test element.
Furthermore, a pressing rod supporting seat 7 is fixed on the inner wall of the box cover 2, and the applicability is further improved because some products can be tested only by pressing.
Furthermore, be equipped with the photoelectric sensor 8 of preventing tong on shielded cell body 1 to guarantee staff's operational safety nature.
Furthermore, a photographing camera 9 is arranged on a side wall, extending out of the bearing platform, of the shielding box body 1, so that products can be identified conveniently, and product information can be recorded into a computer conveniently and accurately.
The shielded box of OTA test of this embodiment opens and shuts through actuating mechanism 3 drive case lid 2, and degree of automation is higher to set up frock mechanism 4 so that the placing of the product that awaits measuring, set up height-adjustable's test element installation component 5 simultaneously, so that test element's installation, thereby make the utility model discloses the shielded box uses more conveniently, can test to multiple product, and the suitability is stronger.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a shielded cell of OTA test which characterized in that: comprises a shielding box body (1) and a box cover (2) which is vertically opened and closed and is arranged on the shielding box body (1); a driving mechanism (3) for controlling the opening and closing of the box cover (2) is fixed on the side wall of the shielding box body (1); a tool mechanism (4) which can stretch out and draw back along the horizontal direction is movably arranged in the shielding box body (1); the tool mechanism (4) comprises a bearing table (4-1) and an electric connection seat (4-2) which is arranged above the bearing table (4-1) and is used for connecting the product on the tool mechanism (4) with electricity; and a test element mounting assembly (5) with adjustable height is also arranged above the bearing table (4-1).
2. The shielding box for OTA test according to claim 1, wherein: the driving mechanism (3) comprises lifting cylinders (3-1) which are arranged at two sides of the shielding box body (1) in a central symmetry manner; the cylinder body of the lifting cylinder (3-1) is fixedly connected with the shielding box body (1), and the piston rod of the lifting cylinder is fixedly connected with the box cover (2) through the connecting seat (3-2).
3. The shielding box for OTA test according to claim 1, wherein: an interlayer is arranged inside the shielding box body (1); the shielding box body (1) is divided into a testing cavity (1-1) and a control cavity (1-2) by the interlayer; the tool mechanism (4) is arranged in the test cavity (1-1).
4. The OTA test shielding box of claim 3, wherein: the tool mechanism (4) further comprises a supporting table (4-3) arranged in the testing cavity (1-1); the bearing table (4-1) is connected to the support table (4-3) in a sliding manner; a positioning seat (4-4) for fixing a workpiece to be detected is arranged on the bearing table (4-1); and a power mechanism (6) for driving the bearing table (4-1) to extend out or retract into the supporting table (4-3) is also arranged in the test cavity (1-1).
5. The OTA test shielding box of claim 4, wherein: the power mechanism (6) comprises a driving cylinder (6-1); the driving air cylinder (6-1) is fixed in the testing cavity (1-1) through an air cylinder fixing frame (6-2), and a piston rod of the driving air cylinder (6-1) is fixedly connected with the bearing table (4-1) through a connecting block (6-3).
6. A shielding box for OTA test according to claim 4, wherein: a sliding rail (4-5) is arranged on the supporting platform (4-3); one end of the bearing table (4-1) is connected to the sliding rail (4-5) in a sliding manner through a sliding block; and a friction block (4-6) for supporting the other end of the bearing table (4-1) is arranged on the supporting table (4-3).
7. A shielding box for OTA test according to claim 4, wherein: the test element mounting component (5) comprises a mounting rod (5-1) and a supporting rod (5-2); the mounting rod (5-1) is fixed on the bearing table (4-1); the mounting rod (5-1) is provided with an adjusting hole (5-3) along the height direction; one end of the supporting rod (5-2) is fixed in the adjusting hole (5-3) through a bolt; and the supporting rod (5-2) is provided with a mounting hole (5-4) for mounting a test element.
8. The OTA test shielding box according to claim 1, wherein: and a pressing rod supporting seat (7) is fixed on the inner wall of the box cover (2).
9. The shielding box for OTA test according to claim 1, wherein: be equipped with on shielded cell body (1) and prevent tong photoelectric sensor (8).
10. The shielding box for OTA test according to claim 1, wherein: a photographing camera (9) is arranged on one side wall, extending out of the bearing platform, of the shielding box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220293436.4U CN217385610U (en) | 2022-02-14 | 2022-02-14 | Shielding box for OTA (over the air) test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220293436.4U CN217385610U (en) | 2022-02-14 | 2022-02-14 | Shielding box for OTA (over the air) test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217385610U true CN217385610U (en) | 2022-09-06 |
Family
ID=83098970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220293436.4U Active CN217385610U (en) | 2022-02-14 | 2022-02-14 | Shielding box for OTA (over the air) test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217385610U (en) |
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2022
- 2022-02-14 CN CN202220293436.4U patent/CN217385610U/en active Active
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