CN207623388U - Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration - Google Patents
Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration Download PDFInfo
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- CN207623388U CN207623388U CN201721808961.0U CN201721808961U CN207623388U CN 207623388 U CN207623388 U CN 207623388U CN 201721808961 U CN201721808961 U CN 201721808961U CN 207623388 U CN207623388 U CN 207623388U
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- electromagnetic shielding
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- module
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Electromagnetic shielding box, including electromagnetic shielding box and slide unit test fixture are tested in a kind of comprehensive survey of 5G mainboards calibration：Upper box lid is slidably mounted on linear bearing assemblies, slide unit test fixture component is installed on lower frame body, power supply and control assembly are also equipped in lower frame body, communication interface panel assembly, microswitch module and key switch are loaded on lower frame body outer wall respectively, power supply and control assembly electrical connection SMA radio-frequency joints, communication interface panel assembly, microswitch module and key switch；The slide unit test fixture includes product support plate, upper needle plate module, top board, disengaging cylinder, linear steering module, jig pressing cylinder and tool substrate.Its advantage is that the hardware automated aided measurement device that repeatable carry out consistency RF signal conduction-type measures, for simulate preferably reflected close to RF index situation when being communicated between actual user and communication base station tested cell phone mainboard RF index whether meet manufacture RF index requirement.
Description
Technical field
The utility model is related to electronic test equipments, are related to anti-electric field or the screening arrangement in magnetic field, espespecially a kind of 5G mainboards
Calibrate comprehensive survey test electromagnetic shielding box.
Background technology
It refers to passing through CMW that cell phone mainboard, which calibrates comprehensive survey test,（Mobile phone comprehensive tester）It is carried out with cell phone mainboard RF signal
Correction and the test after correction are measured, whether the performance of testing mobile phone RF calibration is good；Calibrate it is comprehensive survey test purpose be for
Control signal is weak, easy call drop, look for net is slow, do not look for net, cannot answer, etc. bad machine mainboard flow to market.It is simulated in test
Use environment interferes mobile phone EMC（As folding machine open with closing lid, backlight light on and off, display screen refresh etc. to power and spirit
The influence of sensitivity）Calibrate comprehensive survey matching, connected sets are tested.In the production excessively of mobile phone products, calibrating comprehensive survey is
One very important bad section, calibrates the comprehensive quality for surveying index, directly affects the communication performance of mobile phone products, before, always
Examined by way of mobile phone system test mobile phone calibration it is comprehensive survey performance quality, but this mode calibrate it is comprehensive measure it is now bad
After product, inspection is more complicated, takes time and effort, is not suitable in this way in the comprehensive survey of production line mass detection mobile phone calibration
It uses.This is its disadvantage.
Invention content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of 5G mainboards to calibrate comprehensive survey test electromagnetism
Shielded box.It is intended to provide a kind of hardware automated auxiliary survey that more repeatable carry out consistency RF signal conduction-type measures
Device is measured, for simulating close to RF index situation when being communicated between actual user and communication base station, is preferably reflected
Whether the RF index of tested cell phone mainboard meets manufacture RF index examination requirements.
Technical solution adopted by the utility model to solve its technical problems is：A kind of comprehensive survey test of 5G mainboards calibration is provided
Electromagnetic shielding box, it is characterised in that：Slide unit jig is tested including electromagnetic shielding box：
The electromagnetic shielding box includes the shielding cavity being made of upper box lid, lower frame body and Rear Door component, the first cylinder
Linear bearing assemblies are connected, slide unit test fixture is loaded on, SMA radio-frequency joints, is electromagnetically shielded cassette frame and power supply and control assembly,
First cylinder is sequentially connected with linear bearing assemblies composition, and the upper box lid is slidably mounted on linear bearing assemblies
On, the slide unit test fixture component is also equipped with electromagnetic shielding cassette frame, institute in being installed on lower frame body in the lower frame body
SMA radio-frequency joints are stated loaded in electromagnetic shielding cassette frame, power supply and control assembly, the communication are also equipped in the lower frame body
Interface panel component, microswitch module and key switch are loaded on lower frame body outer wall respectively, the power supply and control assembly electricity
Connect SMA radio-frequency joints, communication interface panel assembly, microswitch module and key switch；
The slide unit test fixture include product support plate, upper needle plate module, top board, disengaging cylinder, linear steering module,
Jig presses cylinder and tool substrate, and the top board is movably connect with tool substrate by linear steering module, described
Upper needle plate module is installed below top board, and disengaging cylinder is sequentially connected loaded on tool substrate and product support plate composition.
The utility model has the beneficial effects that：The hardware that repeatable carry out consistency RF signal conduction-type measures is automatic
Change aided measurement device, for simulating close to RF index situation when being communicated between actual user and communication base station, more preferably
The RF index for reflecting tested cell phone mainboard whether meet manufacture RF index examination requirements.
Description of the drawings
The utility model will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the electromagnetic shielding box structural schematic diagram of the utility model.
Fig. 3 is the test slide unit jig structure schematic diagram of the utility model.
Fig. 4 is the cross-sectional view of the electromagnetic shielding box of the utility model.
In Fig. 1：1- electromagnetic shielding boxes, 2- slide unit measurement jigs.
In Fig. 2：3- communication interfaces panel assembly, 4- linear bearing assemblies, the first cylinders of 5-, 6- upper box lids, 7- slide units are surveyed
Try clamp assembly, 8- key switches, 9- lower frame bodies, 10- microswitches module, 11-SMA radio-frequency joints, 12- Rear Doors component,
13- is electromagnetically shielded cassette frame, 14- power supplys and control assembly.
In Fig. 3：The upper needle plate module of 15- products support plate, 16-, 17- top boards, 18- disengaging cylinder, 19- linear steering moulds
Group, 20- jigs pressing cylinder, 21- tool substrates.
In Fig. 4：The automatically controlled cavity of 22- shielding cavities, 23-.
Specific implementation mode
Referring to attached drawing, a kind of 5G mainboards of the utility model calibrate comprehensive survey and test electromagnetic shielding box, it is characterised in that：Including electricity
Magnetic screen case 1 tests slide unit jig 2：
The electromagnetic shielding box 1 includes the shielding cavity 22 being made of upper box lid 6, lower frame body 9 and 12 component of Rear Door, leads to
Believe interface panel component 3, linear bearing assemblies 4, the first cylinder 5, slide unit test fixture component 7, key switch 8, microswitch
Module 10, SMA radio-frequency joints, electromagnetic shielding cassette frame 13 and power supply and control assembly 14, the first cylinder 5 connect linear bearing group
Part 4, slide unit test fixture 7 are sequentially connected loaded on 9 top of lower frame body, first cylinder 5 and the composition of linear bearing assemblies 4, institute
Upper box lid 6 to be stated to be slidably mounted on linear bearing assemblies 4, the slide unit test fixture component 7 is installed on lower frame body 9,
Electromagnetic shielding cassette frame 13 is also equipped in the lower frame body 9, the SMA radio-frequency joints 11 are loaded on electromagnetic shielding cassette frame 13,
Power supply and control assembly 14, the communication interface panel assembly 3,10 and of microswitch module are also equipped in the lower frame body 9
Key switch 8 is loaded on 9 outer wall of lower frame body respectively, and the power supply and the electrical connection SMA of control assembly 14 radio-frequency joints 11, communication connect
Mouth panel assembly 3, microswitch module 10 and key switch 8；
The slide unit test fixture 2 includes product support plate 15, upper needle plate module 16, top board 17, passes in and out cylinder 18, is linear
Be oriented to module 19, jig pressing cylinder 20 and tool substrate 21, the top board 17 by linear steering module 19 movably
It is connect with tool substrate 21, the upper needle plate module 16 is installed on 17 lower section of top board, and disengaging cylinder 18 is loaded on tool substrate 21
It forms and is sequentially connected with product support plate 15.
Electromagnetic shielding box 1 adds the door closing structure mode of double guide rods using two-container cylinder, pushes rising and is steadily suitable for collocation
Automation uses, and product to be measured is positioned on positioning fixture, and radiofrequency signal is then by the comprehensive survey mechanism section of detection calibration to product
Top and bottom radio frequency mouth sends out signal and carries out mainboard conduction test, and the automatically controlled signal needed for test product is connected by USB interconnecting modules
Filtering USB adapter connection USB line is connect to lead to above external computer, the connection of computer controller unit calibrate comprehensive surveys transmitting signal with
Receive the test of signal completion and the entire RF index automatic data collection of tested product.
Electromagnetic shielding box cavity 13 is molded using integral type aluminium, and stable structure is durable；It adopts the faying face part of door
The contact material to be conducted electricity very well with high resiliency, it is ensured that the isolation of electromagnetic shielding box achievees the purpose that more than 80dB；In order to carry
For the stability of environment, the signal release measuring head for being tested mobile phone is mounted on above jig needle plate.
When work：Product is placed on product support plate 15, presses start button key switch 8, power supply and control assembly 14
Control disengaging cylinder 18 drives product support plate 15 to move, and strikes inductive switching after microswitch module 10, the first cylinder 5 and controls
Tool pressing cylinder 20 pushes simultaneously, and upper box lid 6 is closed with lower frame body 9, and slide unit measurement jig 2 is pushed down product and tested.
Claims (1)
1. a kind of 5G mainboards calibrate comprehensive survey and test electromagnetic shielding box, it is characterised in that：Slide unit jig is tested including electromagnetic shielding box：
The electromagnetic shielding box includes shielding cavity, the communication interface panel being made of upper box lid, lower frame body and Rear Door component
Component, linear bearing assemblies, the first cylinder, slide unit test fixture component, key switch, microswitch module, SMA radio frequencies connect
Head, electromagnetic shielding cassette frame and power supply and control assembly, the first cylinder connect linear bearing assemblies, and slide unit test fixture is loaded on down
Framework top, first cylinder and linear bearing assemblies composition are sequentially connected, and the upper box lid is slidably mounted on linearly
On bearing assembly, the slide unit test fixture component is installed on lower frame body, and electromagnetic shielding box is also equipped in the lower frame body
Framework, the SMA radio-frequency joints are also equipped with power supply and control assembly loaded in electromagnetic shielding cassette frame in the lower frame body,
The communication interface panel assembly, microswitch module and key switch are loaded on lower frame body outer wall respectively, the power supply and control
Component electrical connection SMA radio-frequency joints, communication interface panel assembly, microswitch module and key switch processed；
The slide unit test fixture includes product support plate, upper needle plate module, top board, disengaging cylinder, linear steering module, jig
Pressing cylinder and tool substrate, the top board are movably connect with tool substrate by linear steering module, the upper needle
Template die group is installed below top board, and disengaging cylinder is sequentially connected loaded on tool substrate and product support plate composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808961.0U CN207623388U (en) | 2017-12-22 | 2017-12-22 | Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808961.0U CN207623388U (en) | 2017-12-22 | 2017-12-22 | Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623388U true CN207623388U (en) | 2018-07-17 |
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ID=62821219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721808961.0U Active CN207623388U (en) | 2017-12-22 | 2017-12-22 | Electromagnetic shielding box is tested in a kind of comprehensive survey of 5G mainboards calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019446A1 (en) * | 2018-07-23 | 2020-01-30 | 南通同洲电子有限责任公司 | Multi-purpose jig for communication interface |
| CN115378517A (en) * | 2022-08-19 | 2022-11-22 | 中山市博测达电子科技有限公司 | 5G communication product mainboard testing arrangement |
-
2017
- 2017-12-22 CN CN201721808961.0U patent/CN207623388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019446A1 (en) * | 2018-07-23 | 2020-01-30 | 南通同洲电子有限责任公司 | Multi-purpose jig for communication interface |
| CN115378517A (en) * | 2022-08-19 | 2022-11-22 | 中山市博测达电子科技有限公司 | 5G communication product mainboard testing arrangement |
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