CN210720581U - High radio frequency shielding test equipment - Google Patents
High radio frequency shielding test equipment Download PDFInfo
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- CN210720581U CN210720581U CN201921366980.1U CN201921366980U CN210720581U CN 210720581 U CN210720581 U CN 210720581U CN 201921366980 U CN201921366980 U CN 201921366980U CN 210720581 U CN210720581 U CN 210720581U
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Abstract
The utility model discloses a high radio frequency shielding test equipment, it includes the shielding box, the joint end of shielding box is equipped with first shielding isolation layer, in be equipped with the device that opens and shuts on the shielding box, work as the device drive that opens and shuts when the shielding box is closed, the inside totally closed cavity that forms of shielding box, the shielding box includes at least one shielding chamber, the inner wall in shielding chamber is equipped with second shielding isolation layer, it carries material device and testing arrangement to be equipped with in the shielding chamber. The utility model discloses a structure is totally enclosed, and its inner wall is provided with the shielding isolation layer, and the shielding box adopts high magnetic permeability material, keeps apart external electromagnetic wave signal's interference and crosstalk effectively, eliminates the resonance of high radio frequency signal and other devices, and the transmission of noise reduction sound wave makes the shielding chamber has good shielding nature and driving fit, avoids causing the interference to the test, improves the stability and the accuracy of test, reduces the electromagnetic wave signal radiation that the operator received.
Description
Technical Field
The utility model relates to a shielding test technical field, concretely relates to high radio frequency shielding test equipment.
Background
At present, the shielding performance and the sealing performance of the existing shielding test equipment are not strong, external electromagnetic wave signals cannot be completely shielded, interference and crosstalk are extremely easy to occur, resonance occurs between an internal device and high-frequency signals in the detection process, unnecessary noise sound waves are generated, the accuracy of detection is influenced, meanwhile, the electromagnetic waves cannot be prevented from leaking to interfere adjacent shielding test equipment, and in addition, the box body of the equipment and the material adopted by a shielding layer cannot effectively play a role in shielding and isolating.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model discloses a high radio frequency shielding test equipment.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
the utility model provides a high radio frequency shielding test equipment, its includes the shielding box, the joint end of shielding box is equipped with first shielding isolation layer, in be equipped with the device that opens and shuts on the shielding box, work as the device drive that opens and shuts when the shielding box is closed, the inside totally closed cavity that forms of shielding box, the shielding box includes at least one shielding chamber, the inner wall in shielding chamber is equipped with second shielding isolation layer, it carries material device and testing arrangement to be equipped with in the shielding chamber.
The testing device comprises a signal generator and a WiFi antenna, the WiFi antenna is arranged in the shielding cavity, the WiFi antenna is connected with the signal generator through a shielding wire, and the signal generator is electrically connected with the signal testing and analyzing device.
In the high-radio-frequency shielding test equipment, the material loading device comprises a material loading jig horizontally arranged in the shielding cavity and a lifting mechanism used for driving the material loading jig to move up and down, a plurality of pressing cylinders are longitudinally arranged above the material loading jig, and pressing pieces are arranged on the pressing cylinders corresponding to the material loading jig.
The high radio frequency shielding test equipment comprises a shielding box body, a shielding upper shell and a first shielding isolation layer, wherein the shielding box body comprises a box body main body and the shielding upper shell is arranged on the box body main body, the joint end of the box body main body and the shielding upper shell is correspondingly provided with the first shielding isolation layer, the opening and closing device comprises a hydraulic cylinder arranged on the box body main body, and a hydraulic rod of the hydraulic cylinder is fixedly connected with the shielding upper shell.
In the above high rf shielding test apparatus, a plurality of inductors are disposed corresponding to the joint end.
In the high-rf shielding test equipment, the first shielding isolation layer and the second shielding isolation layer are both wave-absorbing material layers.
In the high-radio-frequency shielding test equipment, the wave-absorbing material layer is a wave-absorbing sponge layer and/or a wave-absorbing rubber layer, and the thickness of the wave-absorbing material layer is 75 mm.
In the high rf shielding test apparatus, the shielding box is a high magnetic permeability material.
In the high rf shielding test apparatus, the shielding box is electrically connected to a grounding device, and the other end of the grounding device is grounded.
In the high-radio-frequency shielding test equipment, the shielding box body is further provided with a jig descending switch, a jig ascending switch, an equipment emergency stop switch, a shielding upper shell descending switch and a descending confirmation switch.
The utility model has the advantages that: the utility model discloses a structure is totally enclosed, and its inner wall is provided with the shielding isolation layer, and the shielding box adopts high magnetic permeability material, keeps apart external electromagnetic wave signal's interference and crosstalk effectively, provides good test environment, eliminates the resonance of high radio frequency signal and other devices, and the transmission of noise reduction sound wave makes the shielding chamber has good shielding nature and driving fit, avoids causing the interference to the test, improves the stability and the accuracy of test, reduces the electromagnetic wave signal radiation that the operator received.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view schematically illustrating the present invention;
fig. 2 is a left side view of the present invention.
Detailed Description
The present invention is further described below with reference to specific embodiments, so that the technical solution of the present invention is easier to understand and master, rather than to limit the present invention.
Example (b): referring to fig. 1 to 2, the high radio frequency shielding test equipment provided in this embodiment includes a shielding box 1, a first shielding isolation layer 21 is disposed at a joint end of the shielding box 1, an opening and closing device is disposed on the shielding box 1, when the opening and closing device drives the shielding box 1 to close, a fully-closed cavity is formed inside the shielding box 1, the shielding box 1 includes at least one shielding cavity, a second shielding isolation layer 22 is disposed on an inner wall of the shielding cavity, and a loading device and a test device are disposed in the shielding cavity; specifically, in this embodiment be equipped with a shielding chamber in the shield box 1, work as when shield box 1 is closed, its inside totally closed cavity that forms, external electromagnetic wave signal is kept apart to first shielding isolation layer 21, and keeps apart adjacently high radio frequency shielding test equipment's radio frequency signal interference and crosstalk guarantee the accuracy of the product test data that awaits measuring, reduce the electromagnetic wave signal radiation that the operator received, in the testing process, second shielding isolation layer 22 eliminates the resonance of high radio frequency signal and other devices, and the transmission of noise reduction sound wave makes the shielding chamber has good shielding nature, avoids causing the interference to the test, improves the test stability of product.
Preferably, the testing device includes a signal generator 41 and a WiFi antenna 42, the WiFi antenna 42 is disposed in the shielding cavity, the WiFi antenna 42 is connected to the signal generator 41 through a shielding wire, and the signal generator 41 is electrically connected to the signal testing and analyzing device 43; the signal generator 41 generates high radio frequency signals required by testing, the high radio frequency signals are transmitted to the WiFi antenna 42 through the shielding wire, the WiFi antenna 42 transmits the high radio frequency signals to the shielding cavity, and the signal testing and analyzing device 43 analyzes and stores testing data of a product to be tested, so that the accuracy and the stability of product testing are improved.
Further, the material loading device comprises a material loading jig 31 horizontally arranged in the shielding cavity and a lifting mechanism for driving the material loading jig 31 to move up and down, a plurality of pressing cylinders 32 are longitudinally arranged above the material loading jig 31, and pressing pieces 33 are arranged on the pressing cylinders 32 corresponding to the material loading jig 31; when the product to be tested is arranged in the material carrying jig 31, the pressing cylinder 32 drives the pressing piece 33 to descend, the pressing piece 33 presses the product to be tested in the material carrying jig 31, so that the product to be tested is in contact with the ejector pins in the material carrying jig 31, testing errors are prevented, testing accuracy is improved, and if the testing device breaks down, the lifting mechanism drives the material carrying jig 31 to descend, so that the product to be tested can be taken out and maintained.
Preferably, the shielding box 1 includes a box body 11 and a shielding upper shell 12 located on the box body 11, the first shielding isolation layer 21 is correspondingly disposed at the joint end of the box body 11 and the shielding upper shell 12, the opening and closing device includes a hydraulic cylinder 13 disposed on the box body 11, and a hydraulic rod of the hydraulic cylinder 13 is fixedly connected with the shielding upper shell 12; the hydraulic cylinder 13 drives the shielding upper shell 12 to open and close, and when the shielding upper shell 12 and the box body 11 are closed, the first shielding isolation layer 21 ensures the sealing property of the shielding box body 1, and effectively reduces the leakage amount of the high radio frequency signal at the joint end.
Further, a plurality of sensors 14 are disposed corresponding to the joint ends, specifically, the sensors 14 are disposed on the front, rear, left, and right sides of the box body 11 corresponding to the joint ends, respectively, and when the sensors 14 sense that a human body or an object is close to the joint ends during the closing process of the shielding upper case 12, the shielding upper case 12 stops closing and is reset to an open state, so as to prevent the human body or the object from being pinched, thereby improving safety.
Specifically, the first shielding isolation layer 21 and the second shielding isolation layer 22 are both wave-absorbing material layers, the wave-absorbing material layers are wave-absorbing sponge layers and/or wave-absorbing rubber layers, and the thickness of the wave-absorbing material layers is 75 mm; preferably, the wave-absorbing sponge layer and the wave-absorbing rubber layer are stacked on the inner wall of the shielding box body 1, so that external signals are effectively shielded and isolated, the transmission of noise sound waves is reduced, the shielding cavity has good shielding performance, the interference to the test is avoided, the test stability of the product is improved, and the cost is low.
Further, the shielding box body 1 is a material body with high magnetic permeability; the high magnetic permeability material body is composed of copper white, tinplate and stainless steel, so that the shielding box body 1 effectively shields external high radio frequency signals and high radio frequency signals leaked outwards, and mutual interference or crosstalk of adjacent high radio frequency shielding test equipment is avoided.
Specifically, the shielding box 1 is electrically connected with a grounding device, the other end of the grounding device is grounded, and the grounding device is used for eliminating static electricity and improving the safety of equipment.
Further, the shielding box 1 is further provided with a jig descending switch 51, a jig ascending switch 52, an equipment emergency stop switch 53, a shielding upper shell descending switch 54 and a descending confirmation switch 55; when the testing device fails, the jig descending switch 51 is pressed, the lifting mechanism drives the material loading jig 31 to descend so as to take out the product to be tested and maintain the product, after the maintenance is finished, the jig ascending switch 52 is pressed, the lifting mechanism drives the material loading jig 31 to reset, and when the high radio frequency shielding testing equipment normally operates, the functions of the jig descending switch 51 and the jig ascending switch 52 are invalid, namely the material loading jig 31 cannot be driven to descend or ascend; if the high radio frequency shielding test equipment has major abnormal faults, pressing the equipment emergency stop switch 53 to perform reset safety configuration; after the shielding upper shell descending switch 54 is pressed down, the opening and closing device drives the shielding upper shell 12 to descend so as to close the shielding box body 1, after the shielding box body 1 is closed, it is confirmed that no abnormal situation exists around the shielding box body 1, and the descending confirmation switch 55 is pressed down, namely the shielding upper shell 12 is pressed and covered, so that the operation controllability and the automation degree are improved.
When the utility model works, a product to be tested is placed on the material carrying jig 31, and the pressing piece 33 is driven by the pressing cylinder 32 to press the product to be tested into the material carrying jig 31; pressing down the shielding upper shell descending switch 54 to close the shielding box body 1, and pressing down a descending confirmation switch 55 after confirming that no foreign matter exists around the shielding box body 1; the signal generator 41 generates a high radio frequency signal required by a test, the WiFi antenna 42 transmits the high radio frequency signal into the shielding cavity, and the signal test analysis device 43 analyzes test data; after the test is completed, the shielding upper case 12 is opened and the product is taken out.
The utility model discloses a structure is totally enclosed, and its inner wall is provided with the shielding isolation layer, and the shielding box adopts high magnetic permeability material, keeps apart external electromagnetic wave signal's interference and crosstalk effectively, provides good test environment, eliminates the resonance of high radio frequency signal and other devices, and the transmission of noise reduction sound wave makes the shielding chamber has good shielding nature and driving fit, avoids causing the interference to the test, improves the stability and the accuracy of test, reduces the electromagnetic wave signal radiation that the operator received.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the protection scope of the present invention should be covered by the equivalent changes made according to the shape, structure and principle of the present invention, all without departing from the technical solution of the present invention.
Claims (10)
1. The utility model provides a high radio frequency shielding test equipment, its includes the shielding box, its characterized in that, the joint end of shielding box is equipped with first shielding isolation layer, in be equipped with the device that opens and shuts on the shielding box, work as the device drive that opens and shuts when the shielding box is closed, the inside totally closed cavity that forms of shielding box, the shielding box includes at least one shielding chamber, the inner wall in shielding chamber is equipped with second shielding isolation layer, be equipped with year material device and testing arrangement in the shielding chamber.
2. The high-radio-frequency shielding test equipment according to claim 1, wherein the test device comprises a signal generator and a WiFi antenna, the WiFi antenna is disposed in the shielding cavity, the WiFi antenna is connected with the signal generator through a shielding wire, and the signal generator is electrically connected with the signal test analysis device.
3. The high-RF shielding testing apparatus according to claim 2, wherein the loading device includes a loading fixture horizontally disposed in the shielding chamber and a lifting mechanism for driving the loading fixture to move up and down, a plurality of pressing cylinders are longitudinally disposed above the loading fixture, and the pressing members are disposed on the pressing cylinders corresponding to the loading fixture.
4. The high-radio-frequency shielding testing equipment according to claim 1, wherein the shielding box body comprises a box body main body and a shielding upper shell located on the box body main body, the first shielding isolation layer is correspondingly arranged at the joint end of the box body main body and the shielding upper shell, the opening and closing device comprises a hydraulic cylinder arranged on the box body main body, and a hydraulic rod of the hydraulic cylinder is fixedly connected with the shielding upper shell.
5. The high RF shielding test apparatus of claim 4, wherein a plurality of inductors are disposed corresponding to the engagement ends.
6. The high-radio-frequency shielding test equipment according to claim 4, wherein the first shielding isolation layer and the second shielding isolation layer are both wave-absorbing material layers.
7. The high-radio-frequency shielding test equipment according to claim 6, wherein the wave-absorbing material layer is a wave-absorbing sponge layer and/or a wave-absorbing rubber layer, and the thickness of the wave-absorbing material layer is 75 mm.
8. The high radio frequency shielding test equipment according to claim 4, wherein the shielding box is a body of high permeability material.
9. The high-rf shielding test equipment of claim 8, wherein a grounding device is electrically connected to the shielding box, and the other end of the grounding device is grounded.
10. The high-rf shielding testing device of claim 9, wherein the shielding box further comprises a jig descending switch, a jig ascending switch, a device emergency stop switch, a shielding upper case descending switch, and a descending confirmation switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366980.1U CN210720581U (en) | 2019-08-22 | 2019-08-22 | High radio frequency shielding test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366980.1U CN210720581U (en) | 2019-08-22 | 2019-08-22 | High radio frequency shielding test equipment |
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| CN210720581U true CN210720581U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921366980.1U Active CN210720581U (en) | 2019-08-22 | 2019-08-22 | High radio frequency shielding test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068386A (en) * | 2021-03-18 | 2021-07-02 | 中国船舶重工集团公司第七二五研究所 | Electrochemical test environment noise shielding device |
| CN113207076A (en) * | 2021-05-10 | 2021-08-03 | 江苏万喜至工业设计有限公司 | Audio test box equipment with shell type double shielding layers |
| CN113677180A (en) * | 2021-10-21 | 2021-11-19 | 深圳市云创精密医疗科技有限公司 | High-precision medical equipment electromagnetic shielding shell |
-
2019
- 2019-08-22 CN CN201921366980.1U patent/CN210720581U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068386A (en) * | 2021-03-18 | 2021-07-02 | 中国船舶重工集团公司第七二五研究所 | Electrochemical test environment noise shielding device |
| CN113068386B (en) * | 2021-03-18 | 2023-04-07 | 中国船舶重工集团公司第七二五研究所 | Electrochemical test environment noise shielding device |
| CN113207076A (en) * | 2021-05-10 | 2021-08-03 | 江苏万喜至工业设计有限公司 | Audio test box equipment with shell type double shielding layers |
| CN113677180A (en) * | 2021-10-21 | 2021-11-19 | 深圳市云创精密医疗科技有限公司 | High-precision medical equipment electromagnetic shielding shell |
| CN113677180B (en) * | 2021-10-21 | 2022-02-08 | 深圳市云创精密医疗科技有限公司 | High-precision medical equipment electromagnetic shielding shell |
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