CN213960083U - Signal shielding testing device - Google Patents

Signal shielding testing device Download PDF

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Publication number
CN213960083U
CN213960083U CN202120054610.5U CN202120054610U CN213960083U CN 213960083 U CN213960083 U CN 213960083U CN 202120054610 U CN202120054610 U CN 202120054610U CN 213960083 U CN213960083 U CN 213960083U
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test
shielding
control
control component
wireless communication
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CN202120054610.5U
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周光杰
余振涛
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Group Test Technology Shenzhen Co ltd
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Group Test Technology Shenzhen Co ltd
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Abstract

The utility model discloses a signal shielding testing device, which comprises a testing box, a testing cell and a control part, wherein the testing cell is arranged in a shielding cavity on the testing box, and a wireless communication electronic device to be tested is accommodated in the testing cell; when the test unit lattice moves into the shielding cavity of the test box under the control of the control part, the test unit lattice and the test box form a closed cavity, and the test unit lattice is also controlled by the control part to perform shielding test on the wireless communication electronic device. The utility model discloses signal shielding testing arrangement can satisfy the shielding test including electronic device of all wireless communication on markets such as PCB module, bluetooth chip.

Description

Signal shielding testing device
Technical Field
The utility model relates to a communication equipment technical field especially relates to a signal shielding testing arrangement.
Background
The electromagnetic interference/EMI is a problem that must be faced and overcome in the whole electronic field, and generally, in the process of performing board test and final test on a mobile phone, a wireless network card, a wireless router, a wireless headset, a bluetooth headset, wi-fi, wimax, a data card, a walkie-talkie, an RFID and other wireless communication devices and wireless communication modules, the test environment is improved by using a radio frequency test shielding box. The shielding box, also known as a shielding box and an isolation box, is a device which utilizes shielding bodies in various shapes made of conductive or magnetic conductive materials to limit the electromagnetic capacity in a certain space range, is used for inhibiting metal bodies of radiation interference and processes conduction and radiation so as to provide an interference-free testing environment for tested wireless communication equipment. The method is mainly used for various enterprises engaged in the production and research and development of wireless electronic products and wireless communication products, various electronic and electric appliance consumer product production enterprises and the like.
The existing shielding test box has single function, for example, an integrated Bluetooth automatic test system with application number CN201811068764.9 only tests Bluetooth; the external signal shielding test box for the communication chip circuit with the application number of CN202020213791.7 carries out shielding test on the communication chip; the working environment is single, and is inconvenient to move, such as a wireless signal shielding test room with application number CN 201720079590.0.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a signal shielding test apparatus, which can satisfy the shielding test of all wireless communication electronic devices in the market.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a signal shielding test device comprises a test box, test cells and a control component;
the test box is provided with a shielding cavity;
the test unit cell is movably arranged in the shielding cavity, a wireless communication electronic device to be tested is arranged in the test unit cell, and the test unit cell is connected with the wireless communication electronic device to be tested; when the test unit lattice moves into the shielding cavity, the test unit lattice and the test box form a closed cavity;
the control component is connected with the test unit lattice and used for controlling the movement of the test unit lattice and carrying out shielding test on the wireless communication electronic device through the test unit lattice.
Optionally, the test unit cell includes an installation bottom plate, a guide rail, a carrier installation platform, a carrier, a first cylinder, a second cylinder, a first pair of joints, a second pair of joints, a lower pressing plate, a unit cell sealing door and a placement groove;
the mounting bottom plate is arranged in the shielding cavity;
the guide rail is arranged on the mounting bottom plate;
the carrier mounting platform is arranged on the guide rail;
the carrier is arranged on the carrier mounting platform, the carrier is provided with the placing groove, and the placing groove is used for accommodating the wireless communication electronic device;
the cell sealing door is fixedly connected with the carrier mounting platform;
the first air cylinder is fixedly arranged on the mounting bottom plate and is arranged in parallel with the guide rail, the first air cylinder is fixedly connected with the carrier mounting platform, the first air cylinder is connected with the control part, and the first air cylinder is used for moving under the control of the control part so as to drive the carrier mounting platform to move along the guide rail and enable the unit cell sealing door to be opened and closed;
the first butt joint is arranged on the carrier; the second pair of joints is arranged on the lower pressing plate;
one end of the second air cylinder is fixedly arranged on the mounting bottom plate, and the other end of the second air cylinder is provided with the lower pressing plate; the second air cylinder is connected with the control component and used for moving under the control of the control component to drive the lower pressing plate to move up and down so as to close the first pair of joints and the second pair of joints;
the second pair of connectors is connected with the control component and used for conducting shielding test on the wireless communication electronic device under the control of the control component when the second pair of connectors and the first pair of connectors are closed.
Optionally, the test cell further comprises:
and the limiting stopper is arranged on the mounting bottom plate.
Optionally, the test cell further comprises:
and the supporting platform is arranged on the mounting base plate and is positioned below the carrier mounting platform.
Optionally, the number of test cells is 2.
Optionally, the control component includes a housing and a control component;
the control components and parts set up inside the casing, control components and parts with the test cell is connected, control components and parts are used for controlling the motion of test cell, and pass through the test cell is right wireless communication electron device shields the test.
Optionally, the control component further comprises a signal interface disposed on the housing;
the signal interface is respectively connected with the control component and the terminal; and the terminal sends the test content for carrying out shielding test on the wireless communication electronic device to be tested to the control component.
Optionally, the signal shielding test device further comprises an operation button;
the operation button is arranged on the test box and connected with the control component, and is used for controlling the state of the control component; the states of the control components include start, pause, open, and close.
Optionally, after the shielding test of the wireless communication electronic device, a plurality of test results are generated, and the signal shielding test device further comprises a signal lamp;
the signal lamp is arranged on the test box and connected with the control part, and is used for displaying different colors to represent test results after the test is finished; the signal lamp displays red to indicate that the test result is test failure, the signal lamp displays green to indicate that the test result is test success, and the signal lamp displays yellow to indicate that the test result is test communication failure.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
the utility model discloses when signal shielding testing arrangement's test cell moved to the shielding cavity of test box inside, constituted airtight cavity with the test box, the test cell is under control unit's control, and the test is shielded to placing the wireless communication electron device inside the test cell, can satisfy the shielding test of all wireless communication electron devices on the market.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the signal shielding test device of the present invention;
fig. 2 is a rear view of the signal shielding test device of the present invention;
fig. 3 is an internal top view of the signal shielding testing device of the present invention.
Description of the symbols:
1-test box, 2-test cell, 3-control unit, 4-operating button, 5-signal lamp, 6-power source, 7-signal interface, 8-trachea interface, 9-callus on the sole, 201-mounting plate, 202-guide rail, 203-carrier mounting platform, 204-carrier, 205-first cylinder, 206-second cylinder, 207-first butt joint, 208-second butt joint, 209-holding down plate, 210-cell sealing door, 211-stopper, 212-standing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a signal shielding testing device comprises a testing box, a testing cell and a control part; when the test cell moved to in the shielded cell of test box, constituted airtight cavity with the test box to under control part's control, shield the test to placing at the inside wireless communication electron device of test cell, the utility model discloses signal shielding testing arrangement can satisfy the shielding test of all wireless communication electron devices on the market.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in FIG. 1, the signal shielding testing device of the present invention comprises a testing box 1, a testing cell 2 and a control unit 3. The test box 1 is provided with a shielding cavity; the test box 1 is composed of an SPCC board and a shielding layer. The test unit cell 2 is movably arranged in the shielding cavity, a wireless communication electronic device to be tested is arranged in the test unit cell 2, and the test unit cell 2 is connected with the wireless communication electronic device to be tested; when the test unit cell 2 moves into the shielding cavity, the test unit cell and the test box 1 form a closed cavity.
The control component 3 is connected with the test unit cell 2, and the control component 3 is used for controlling the movement of the test unit cell 2 and carrying out shielding test on the wireless communication electronic device through the test unit cell 2.
Further, as shown in fig. 3, the test unit cell includes a mounting base plate 201, a guide rail 202, a carrier mounting platform 203, a carrier 204, a first cylinder 205, a second cylinder 206, a first pair of joints 207, a second pair of joints 208, a lower pressing plate 209, a unit cell sealing door 210 and a placing groove 212; the mounting baseplate 201 is arranged in the shielding cavity; specifically, the mounting base plate 201 is fixed to a base plate inside the test box 1. The guide rail 202 is arranged on the mounting base plate 201; the carrier mounting platform 203 is arranged on the guide rail 202; the carrier 204 is disposed on the carrier mounting platform 203, the carrier 204 is provided with the placing groove 212, and the placing groove 212 is used for accommodating the wireless communication electronic device.
The cell sealing door 210 is fixedly connected with the carrier mounting platform 203; the cell doors 210 move along with the carrier mounting platform 203; the first air cylinder 205 is fixedly arranged on the mounting base plate 201 and arranged parallel to the guide rail 202, and the first air cylinder 205 is fixedly connected with the carrier mounting platform 203; specifically, the carrier mounting platform 203 is connected to the telescopic end of the first cylinder 205; the first air cylinder 205 is connected to the control component 3, and the first air cylinder 205 is configured to move under the control of the control component 3 to drive the carrier mounting platform 203 to move along the guide rail 202, so that the cell sealing door 210 is opened and closed.
The first pair of joints 207 is disposed on the carrier 204; the second pair of joints 208 are arranged on the lower pressure plate 209; one end of the second cylinder 206 is fixedly arranged on the mounting base plate 201; the other end of the second air cylinder 206 is provided with the lower pressing plate 209; specifically, there are two second air cylinders 206, which are respectively disposed at the sides of the guide rail 202; the second air cylinder 206 is connected to the control unit 3, and the second air cylinder 206 is configured to move under the control of the control unit 3 to drive the lower pressing plate 209 to move up and down, so that the first pair of joints 208 and the second pair of joints 208 are closed.
In the embodiment of the present invention, when the second cylinder 206 is not opened, the lower pressing plate 209 is at the top, the first pair of joints 208 is separated from the second pair of joints 209, and the lower pressing plate 209 is not in contact with the carrier 204; when the second cylinder 206 is opened, the lower pressing plate 209 is driven to move downwards to the lowest position, the first pair of joints 208 and the second pair of joints 209 are in butt joint, and the lower pressing plate 209 is in contact with the carrier 204, so that the wireless communication electronic devices on the carrier 204 and the carrier 204 are communicated with a power supply signal, and the shielding test of the wireless communication electronic devices is realized.
The second pair of contacts 208 is connected to the control unit 3, and the second pair of contacts 208 is used for performing a shielding test on the wireless communication electronic device under the control of the control unit 3 when the second pair of contacts 208 and the first pair of contacts 207 are closed.
Preferably, the test unit cell 2 further comprises a stopper 211, and the stopper 211 is disposed on the mounting base plate 201; further, the stopper 211 is located behind the second cylinder 206, the stopper 211 is used to limit the distance when the first cylinder 205 moves into the shielding cavity of the test box, and the stopper 211 is adjusted to enable the cell sealing door 210 to be just embedded into the groove of the test box 1 when the first cylinder 205 moves into the shielding cavity, so that the cell sealing door 210 is slightly stressed while the test cell 2 is sealed.
In the embodiment of the present invention, the test unit cell 2 further includes a supporting platform, which is disposed on the mounting base plate 201 and located below the carrier mounting platform 203; when the lower pressure plate 209 presses the carrier 204 downward, the support platform supports the carrier mounting platform 203, and ensures that the carrier mounting platform 203 does not tilt or bend when subjected to a downward force from the second air cylinder 206.
Further, the number of the test cells 2 is 2; the two test cells are arranged side by side and all wrapped by the test box 1; moreover, each test cell operates independently and does not influence each other during working.
Preferably, the control component 3 includes a housing and a control component;
control components and parts set up inside the casing, control components and parts with the test cell is connected, control components and parts are used for controlling the motion of test cell 2, and pass through test cell 2 is right wireless communication electron device shields the test.
Further, as shown in fig. 2, the control component 3 further includes a signal interface 7 disposed on the housing;
the signal interface 7 is respectively connected with the control component and the terminal; the terminal sends test contents for shielding test of the wireless communication electronic device to be tested to the control component; the test content comprises the name and the model of the electronic device to be tested, the test step and the content to be kept; the embodiment of the utility model provides an in, control components and parts can also derive test data to the terminal through signal interface.
Preferably, the control component 3 includes a power interface 6 disposed on the housing, the power interface 6 is respectively connected to the control component and an external power supply, and the external power supply supplies power to the control component. The embodiment of the utility model provides an in, control unit 3 is still including setting up trachea interface 8 on the casing, trachea interface 8 is connected with control components and parts and external air supply respectively, external air supply is in under control components and parts's control, the motion of first cylinder 205 of drive and second cylinder 206 to control test cell 2's motion. Furthermore, the control components comprise devices such as an electromagnetic valve and a power supply controller; the control component 3 further comprises a circuit and an air path, the circuit is respectively connected with the control component and the power supply interface 6, and the air path is respectively connected with the control component and the air pipe interface 8. Still further, a foot pad is provided at a lower portion of the housing, and the control part can be placed on a table.
Preferably, the signal shielding testing device of the present invention further comprises an operation button 4; the operation button 4 is arranged on the test box 1 and connected with the control component 3, and the operation button 4 is used for controlling the state of the control component 3; the states of the control part 3 include start, pause, open and close; in the embodiment of the present invention, the operation buttons have four states, one-to-one, start, pause, open and close. The operating button 4 is connected with the control part 3 through a lead, and is powered and judged by the control part 3 through signals.
Furthermore, the signal shielding testing device of the utility model generates a plurality of testing results after the shielding testing of the wireless communication electronic device, and in the embodiment of the utility model, the signal shielding testing device of the utility model also comprises a signal lamp 5; the signal lamp 5 is a red, yellow and green three-color lamp; the signal lamp 5 is arranged on the test box 1 and connected with the control part 3, and the signal lamp 5 is used for displaying different colors to represent test results after the test is finished; the signal lamp 5 displays red to indicate that the test result is test failure, the signal lamp 5 displays green to indicate that the test result is test success, and the signal lamp 5 displays yellow to indicate that the test result is test communication failure.
The embodiment of the utility model provides a when using, the work flow as follows:
the signal shielding testing device is placed on a stable workbench, a power interface 6 is connected with a 220V power supply, and a signal interface 7 is connected with a computer; the air pipe interface 8 is connected with an air source.
The contents of the mask test including the name and model of the electronic device to be tested, the test procedure and the contents to be maintained are input through a computer.
Clicking an operation button 4 to start, supplying power to the test cell 2 by a control component 3, then clicking the operation button 4 to open, pushing the cell out by a carrier mounting platform 203 under the action of an internal first air cylinder 205, placing a carrier 204 with a corresponding model on the carrier mounting platform by an operator, and then placing an electronic device to be tested.
After the electronic device is placed, the operation button 4 is clicked to close, the carrier mounting platform 203 is driven by the first air cylinder 205 to enter the cell, and the cell sealing door 210 is embedded and sealed with the box body shell.
After the sealing is completed, the second cylinder 209 moves downward, the lower pressing plate 209 presses the carrier 204 and the electronic device, and the first pair of joints 207 on the carrier is connected with the second pair of joints 208 on the lower pressing plate to supply power to the electronic device, so as to start the test.
After the test is finished, the test unit cell 2 is automatically opened, the signal lamp 5 is turned on, green represents that the test is successful, red represents that the test is failed, and yellow represents that the test is failed; the reason why the signal lamp 5 displays yellow may be that electronic devices are poor or connectors are poor in contact, and the like, and needs to be judged manually. And classifying and storing the electronic devices according to the color of the signal lamp.
If the memory or parameters of the test need to be readjusted in the test, the operation button is clicked for pause and then can be modified, the operation button is clicked again for starting after modification, and the test cell 2 restarts to test the electronic device.
And after the test is finished, taking out the tested electronic devices, storing the electronic devices according to the signal lamp color classification, then putting in new electronic devices to be tested, clicking the button to close, closing the shielding test cell, and continuing to test the new electronic devices until all the electronic devices are completely tested.
And after the test is finished, the power supply is disconnected.
Compared with the prior art, the utility model discloses still have following advantage:
(1) the device is small and exquisite, light, can work under various environment, adaptable office's research and development test of small amount, also can adapt to the interior mass production test of mill.
(2) Adopt two shielding test cell structures, and two cell independent work, mutual noninterference, one cell is when changing the carrier or maintaining, and another cell still can continue the test. Time is saved and efficiency is increased.
(3) The two shielding test cells work separately and independently and can perform different types of shielding tests simultaneously, so that two shielding tests can be completed simultaneously by one machine, and the requirement that one electronic device performs multiple shielding tests can be met, thereby forming a flow type shielding test.
(4) According to the difference of the electronic device of test, be furnished with different carriers, the carrier is laid through the locating pin, and it only needs several seconds to change.
(5) Simple structure, low price and is beneficial to market competition. The equipment is convenient, and it is convenient to maintain, is favorable to later maintenance.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the present disclosure should not be construed as limiting the present invention.

Claims (9)

1. A signal shielding test device is characterized by comprising a test box, test unit grids and a control component;
the test box is provided with a shielding cavity;
the test unit cell is movably arranged in the shielding cavity, a wireless communication electronic device to be tested is arranged in the test unit cell, and the test unit cell is connected with the wireless communication electronic device to be tested; when the test unit lattice moves into the shielding cavity, the test unit lattice and the test box form a closed cavity;
the control component is connected with the test unit lattice and used for controlling the movement of the test unit lattice and carrying out shielding test on the wireless communication electronic device through the test unit lattice.
2. The signal shielding test device of claim 1, wherein the test unit cell comprises a mounting base plate, a guide rail, a carrier mounting platform, a carrier, a first cylinder, a second cylinder, a first pair of joints, a second pair of joints, a lower press plate, a unit cell sealing door and a placing groove;
the mounting bottom plate is arranged in the shielding cavity;
the guide rail is arranged on the mounting bottom plate;
the carrier mounting platform is arranged on the guide rail;
the carrier is arranged on the carrier mounting platform, the carrier is provided with the placing groove, and the placing groove is used for accommodating the wireless communication electronic device;
the cell sealing door is fixedly connected with the carrier mounting platform;
the first air cylinder is fixedly arranged on the mounting bottom plate and is arranged in parallel with the guide rail, the first air cylinder is fixedly connected with the carrier mounting platform, the first air cylinder is connected with the control part, and the first air cylinder is used for moving under the control of the control part so as to drive the carrier mounting platform to move along the guide rail and enable the unit cell sealing door to be opened and closed;
the first butt joint is arranged on the carrier; the second pair of joints is arranged on the lower pressing plate;
one end of the second air cylinder is fixedly arranged on the mounting bottom plate, and the other end of the second air cylinder is provided with the lower pressing plate; the second air cylinder is connected with the control component and used for moving under the control of the control component to drive the lower pressing plate to move up and down so as to close the first pair of joints and the second pair of joints;
the second pair of connectors is connected with the control component and used for conducting shielding test on the wireless communication electronic device under the control of the control component when the second pair of connectors and the first pair of connectors are closed.
3. The signal shielding test device of claim 2, wherein the test cell further comprises:
and the limiting stopper is arranged on the mounting bottom plate.
4. The signal shielding test device of claim 2, wherein the test cell further comprises:
and the supporting platform is arranged on the mounting base plate and is positioned below the carrier mounting platform.
5. The signal shielding test device of claim 1, wherein the number of the test cells is 2.
6. The signal shielding test device of claim 1, wherein the control component comprises a housing and a control element;
the control components and parts set up inside the casing, control components and parts with the test cell is connected, control components and parts are used for controlling the motion of test cell, and pass through the test cell is right wireless communication electron device shields the test.
7. The signal shielding test device of claim 6, wherein the control component further comprises a signal interface disposed on the housing;
the signal interface is respectively connected with the control component and the terminal; and the terminal sends the test content of the shielding test of the wireless communication electronic device to be tested to the control component.
8. The signal shielding test device of claim 1, further comprising an operation button;
the operation button is arranged on the test box and connected with the control component, and is used for controlling the state of the control component; the states of the control components include start, pause, open, and close.
9. The signal shielding test device of claim 1, wherein a plurality of test results are generated after the shielding test of the wireless communication electronic device, and the signal shielding test device further comprises a signal lamp;
the signal lamp is arranged on the test box and connected with the control part, and is used for displaying different colors to represent test results after the test is finished; the signal lamp displays red to indicate that the test result is test failure, the signal lamp displays green to indicate that the test result is test success, and the signal lamp displays yellow to indicate that the test result is test communication failure.
CN202120054610.5U 2021-01-11 2021-01-11 Signal shielding testing device Active CN213960083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120054610.5U CN213960083U (en) 2021-01-11 2021-01-11 Signal shielding testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120054610.5U CN213960083U (en) 2021-01-11 2021-01-11 Signal shielding testing device

Publications (1)

Publication Number Publication Date
CN213960083U true CN213960083U (en) 2021-08-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2024037238A1 (en) * 2022-08-19 2024-02-22 中山市博测达电子科技有限公司 5g communication product mainboard testing device

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