CN111031771A - Shielding box with triaxial rotates function - Google Patents
Shielding box with triaxial rotates function Download PDFInfo
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- CN111031771A CN111031771A CN201911265158.0A CN201911265158A CN111031771A CN 111031771 A CN111031771 A CN 111031771A CN 201911265158 A CN201911265158 A CN 201911265158A CN 111031771 A CN111031771 A CN 111031771A
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- shielding box
- rotating device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0056—Casings specially adapted for microwave applications
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Abstract
The invention provides a shielding box with a triaxial rotation function, which comprises a shielding box body, a sliding device, a shielding box door body and a gyroscope fixture, wherein an opening is formed in one side surface of the shielding box body; the gyroscope fixture comprises a first rotating device, a second rotating device, a connecting arm and an assembly body, wherein only one side edge of the assembly body is connected with the first rotating device, the first rotating device is installed on the second rotating device through the connecting arm, the first rotating device comprises a first rotating shaft, the second rotating device comprises a second rotating shaft, a straight line where the first rotating shaft is located is perpendicular to a straight line of the second rotating shaft in a crossing mode, and the second rotating device is installed on one side of a shielding box door body. According to the invention, by optimizing the structure of the shielding box body, the automatic opening or closing between the shielding box body and the door body of the shielding box is realized, and the automation degree of the shielding box is improved.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of network equipment, and particularly relates to a shielding box with a triaxial rotation function.
Background
The fifth generation communication technology has higher reliability and lower time delay, can meet the specific requirements of industries such as intelligent manufacturing, automatic driving and the like, widens the development space of the fusion industry, and supports the innovative development of the economy and the society. Meanwhile, the communication frequency band of the fifth generation mobile communication product is 700MHz-60GHz, and the range of the product to be tested is wider and higher, so the test of the fifth generation communication product is more strict.
Among the prior art, the shielded cell leads to simple structure for realizing better shielding effect, and the original paper that automation such as motor needs adopts lessly, and consequently degree of automation is lower, needs the manual work to adorn the board, and is inefficient. Meanwhile, the existing gyroscope test fixture is assembled by adopting metal raw materials, and when radio frequency test is carried out, metal materials generate great interference on the test, so that the measured data is inaccurate (even wrong). On the other hand, the clamp clamps the component in a surrounding mode, so that the component is continuously blocked in at least one direction of the X, Y, Z axis, and free detection of the component is influenced.
Disclosure of Invention
The invention provides a shielding box with a triaxial rotation function, which has the characteristics of convenience in opening and suitability for automatic testing.
The invention provides a shielding box with a triaxial rotation function, which comprises a shielding box body, a sliding device, a shielding box door body and a gyroscope fixture, wherein an opening is formed in one side surface of the shielding box body; the gyroscope fixture comprises a first rotating device, a second rotating device, a connecting arm and an assembly body, wherein only one side edge of the assembly body is connected with the first rotating device, the first rotating device is installed on the second rotating device through the connecting arm, the first rotating device comprises a first rotating shaft, the second rotating device comprises a second rotating shaft, a straight line where the first rotating shaft is located is intersected with and perpendicular to a straight line where the second rotating shaft is located, and the second rotating device is installed on one side of a shielding box door body.
Further, the sliding device is mounted at the lower end of the outer side of the shielding box body, and the sliding device is selected from one of a cylinder rod, an oil cylinder rod and a linear motor.
Furthermore, the shielding box with the triaxial rotating function further comprises a positioning slide bar, the positioning slide bar is horizontally arranged on one side of the sliding device, and the positioning slide bar is respectively connected with the shielding box body and the shielding box door body.
Furthermore, the connecting arm is L-shaped, one end of the connecting arm is installed on the second rotating device, and the first rotating device is fixed at the other end of the connecting arm.
Furthermore, the second rotating device comprises a transmission shaft and a synchronizing wheel, the synchronizing wheel is rotatably sleeved on the transmission shaft, and the synchronizing wheel is in transmission connection with the first rotating device.
Furthermore, the gyroscope fixture further comprises a driven wheel set and a transmission belt, wherein the driven wheel set comprises a first driven wheel and a second driven wheel, the first driven wheel and the second driven wheel are respectively arranged on two sides of the bent part of the L-shaped connecting arm, and the first rotating device, the synchronizing wheel, the first driven wheel and the second driven wheel are in transmission connection through the transmission belt.
Furthermore, gyroscope anchor clamps still include fixing base, first motor, second motor, first drive structure, second drive structure, the transmission shaft is rotatable to be installed on the fixing base, the fixing base is the shield plate, the fixing base constitutes the shielding space with the shielding box door body, first motor, second motor are installed in the shielding space, first motor links to each other with the transmission shaft transmission through first drive structure, the second motor links to each other with the synchronizing wheel transmission through second drive structure.
Furthermore, the gyroscope fixture further comprises a first zero point induction device, the first zero point induction device comprises a first zero point induction sheet and a first zero point induction switch, the first zero point induction sheet is installed on the connecting arm, the first zero point induction switch is installed on the fixing seat, the gyroscope fixture further comprises a second zero point induction device, the second zero point induction device comprises a second zero point induction sheet and a second zero point induction switch, the second zero point induction sheet is installed on the assembly body or the first rotating device, and the second zero point induction switch is installed on the connecting arm.
Further, shielded cell with triaxial rotates function still includes waveguide antenna, waveguide antenna installs top in the shielded cell body, waveguide antenna includes antenna fixing base, a plurality of antenna boom, a plurality of antenna unit, antenna boom one end is installed on the antenna fixing base, the last at least one antenna unit that is equipped with of antenna boom, antenna fixing base lower surface is equipped with antenna unit, the antenna fixing base is installed at top in the shielded cell body, antenna boom is the arc structure, rotatable the linking to each other between antenna boom and the antenna fixing base.
Furthermore, the shielding box with the triaxial rotation function further comprises an electric cabinet, the electric cabinet is connected with the bottom of the shielding box body, a drawer is arranged on one side of the electric cabinet, an electric control board is arranged in the drawer, and the electric control board is electrically connected with the shielding box body, the sliding device and the shielding box door body respectively.
Compared with the prior art, the invention optimizes the structure of the shielding box body, realizes the opening or closing between the shielding box body and the door body of the shielding box by utilizing the sliding device and improves the automation degree of equipment. Meanwhile, the gyroscope fixture is arranged on the shielding box door body, so that after the shielding box door body is opened, the gyroscope fixture can be separated from the shielding box body along with the shielding box door body, the components can be conveniently mounted or taken out, and automatic testing is realized.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a shielding box according to an embodiment of the present invention;
FIG. 2 is an exploded view of a shielding box with three-axis rotation function according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an electric cabinet according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an antenna structure according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a second rotating apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of an explosive structure according to an embodiment of the present invention;
fig. 8 is a schematic view of an exploded structure of a holder according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The embodiment of the invention discloses a shielding box with a triaxial rotation function, which comprises a shielding box body 1, a sliding device 3, a shielding box door body 2 and a gyroscope clamp 5, wherein an opening is formed in one side surface of the shielding box body 1, the shielding box door body 2 is positioned at the opening of the shielding box body 1, and the shielding box body 1 is connected with the shielding box door body 2 through the sliding device 3; the gyroscope fixture 5 comprises a first rotating device 51, a second rotating device 52, a connecting arm 53 and an assembly body 54, wherein only one side edge of the assembly body 54 is connected with the first rotating device 51, the first rotating device 51 is installed on the second rotating device 52 through the connecting arm 53, the first rotating device 51 comprises a first rotating shaft, the second rotating device 52 comprises a second rotating shaft, and a straight line where the first rotating shaft is located is intersected with and perpendicular to a straight line where the second rotating shaft is located.
Alternatively, as shown in fig. 1, the sliding device 3 is installed at the lower end of the outer side of the shielding box 1.
Specifically, as shown in fig. 1, the sliding device 3 is selected from one of a cylinder rod, an oil cylinder rod, and a linear motor.
Particularly, as shown in fig. 1, the shielding box with the triaxial rotation function further includes a positioning slide bar 4, the positioning slide bar 4 is horizontally installed at one side of the sliding device 3, and the positioning slide bar 4 is respectively connected with the shielding box body 1 and the shielding box door body 2.
As shown in fig. 1, the sliding device 3 is a cylinder rod 3, the positioning sliding rods 4 are installed on two sides of the cylinder rod 3, when the shielding box door body 2 is opened or closed, the cylinder rod 3 is used as a power source, and the positioning sliding rods 4 can ensure that the shielding box door body 2 slides stably.
The embodiment of the invention optimizes the structure of the shielding box body, realizes the opening or closing between the shielding box body and the door body of the shielding box by using the sliding device and improves the automation degree of equipment. Meanwhile, the sliding device is arranged on the outer side of the shielding box body, so that signal interference on the shielding box is avoided, and the shielding effect of the shielding box is ensured. In addition, the embodiment of the invention realizes pneumatic opening or closing of the door by adopting the cylinder rod, thereby achieving the mute effect and reducing the noise.
Alternatively, as shown in fig. 5 to 8, the connecting arm 53 is L-shaped, one end of the connecting arm 53 is mounted on the second rotating device 52, and the first rotating device 1 is fixed on the other end of the connecting arm 53.
As shown in fig. 5 to 8, the first rotating device 51 is a rotating shaft structure, and the first rotating device 51 and the connecting arm 53 can rotate relatively. The assembly body 54 is fixedly connected to the first rotating means 51, and the assembly body 54 can rotate relative to the connecting arm 53 under the action of the first rotating means 51.
According to the embodiment of the invention, only one side edge of the assembly body is connected with the first rotating device, so that the other side edge of the assembly body is exposed, and the gyroscope can ensure that at least one side edge of the assembly body in the X, Y, Z axial direction is not blocked in the rotating process, and the detection process of components is not influenced.
Optionally, as shown in fig. 5 to 8, the second rotating device 52 includes a transmission shaft 522 and a synchronizing wheel 521, the synchronizing wheel 521 is rotatably sleeved on the transmission shaft 522, and the synchronizing wheel 521 is in transmission connection with the first rotating device 51.
Specifically, as shown in fig. 5 to 8, the gyroscope fixture further includes a driven wheel set 552 and a transmission belt 551, the driven wheel set 552 includes a first driven wheel and a second driven wheel, the first driven wheel and the second driven wheel are respectively installed at two sides of the bending portion of the L-shaped connecting arm 53, and the first rotating device 51, the synchronizing wheel 521, the first driven wheel and the second driven wheel are in transmission connection through the transmission belt 551.
As shown in fig. 5 to 8, the first driven wheel and the second driven wheel are respectively located at two sides of the L-shaped connecting arm 53, and the first driven wheel and the second driven wheel tension the driving belt 551, so that the driving belt 551 is respectively connected with the synchronizing wheel 521 and the first rotating device 51 in a transmission manner, and the synchronizing wheel 521 can drive the first rotating device 51 to rotate through the driving belt 551.
In particular, as shown in fig. 5-8, the L-shaped connecting arm 53 is further provided with a belt clamping structure 531.
Specifically, as shown in fig. 5 to 8, the gyroscope fixture further includes a fixing base 58, a first motor 57, a second motor 56, a first transmission structure, and a second transmission structure, the transmission shaft 522 is rotatably mounted on the fixing base 58, the fixing base 58 is a shielding plate, the fixing base 58 and the shielding box door body 2 form a shielding space, the first motor 57 and the second motor 56 are mounted in the shielding space, the first motor 57 is in transmission connection with the transmission shaft 522 through the first transmission structure, and the second motor 56 is in transmission connection with the synchronizing wheel 521 through the second transmission structure.
As shown in fig. 5 to 8, the first transmission structure and the second transmission structure are both transmission gear box structures, and the transmission shaft 522 is fixedly connected to the L-shaped connecting arm 3. The synchronizing wheel 521 is provided with a double-layer belt fixing groove for being respectively connected with the first rotating device 51 and the second motor 56 through belt transmission. Synchronizing wheel 521 is free to rotate relative to drive shaft 522.
When the device works, the first motor 57 drives the belt 571 through the first transmission structure to drive the transmission shaft 22 of the second rotating device 52 to rotate, so that the L-shaped connecting arm 53 rotates by taking the Z-axis as a rotating shaft; the second motor 56 drives the belt 561 to drive the synchronizing wheel 521 to rotate through the second transmission structure, the synchronizing wheel 521 drives the first rotating device 5 to rotate, so that the first rotating device 51 adjusts the angle of the assembly 54, thereby achieving the angle adjustment of the X axis or the Y axis (the direction of the rotating shaft of the first rotating device changes due to the rotation of the second rotating device).
According to the embodiment of the invention, the first rotating device and the second rotating device can rotate respectively by adopting the structures of the transmission shaft and the synchronizing wheel, so that the assembly body can be freely adjusted in the direction of the X, Y, Z shaft, and the rotational freedom degree of the gyroscope clamp is improved. Meanwhile, the motor structure can be arranged at the fixed seat by adopting the first rotating device and the second rotating device, so that the first rotating device and the second rotating device can be remotely driven, and in actual work, the first rotating device, the second rotating device, the connecting arm and the assembly body can all adopt non-metal structures, so that the gyroscope clamp can not influence the detection process of components, and the interference on signals is avoided.
In particular, as shown in fig. 5 to 8, the connecting arm 53 is further provided with a dial which is mounted at the connection of the assembly body and the first rotating means.
Wherein, as shown in fig. 5-8, the dial is engraved with angles, which is convenient for users to teach angles.
Specifically, as shown in fig. 5 to 8, the gyroscope fixture further includes a first zero point sensing device, the first zero point sensing device includes a first zero point sensing piece 532 and a first zero point sensing switch 533, the first zero point sensing piece 532 is mounted on the connecting arm 53, and the first zero point sensing switch 533 is mounted on the fixing base 58.
Specifically, as shown in fig. 5 to 8, the gyroscope fixture further includes a second zero point sensing device, the second zero point sensing device includes a second zero point sensing piece 511 and a second zero point sensing switch 512, the second zero point sensing piece 511 is mounted on the assembly body 54 or the first rotating device 51, and the second zero point sensing switch 512 is mounted on the connecting arm 53.
The first zero point induction device and the second zero point induction device can be selected as servo zero point switches.
According to the embodiment of the invention, the first zero point induction device and the second zero point induction device are adopted, so that the gyroscope clamp can return to the zero point state after one-time work is finished, and the detection of subsequent products is facilitated.
Particularly, in order to reduce the test interference of the metal material to the shielding box, the first rotating device 51, the second rotating device 52, the connecting arm 53, the assembly body 54, the first transmission structure and the second transmission structure are all made of non-metal materials, and the shielding space formed by the fixing seat 58 and the shielding box door body 2 can shield the motor structure, so that the normal work of the shielding box is prevented from being influenced by signals generated in the working process of the motor, and the shielding effect is improved.
Optionally, the shielding box with the triaxial rotation function further comprises wave-absorbing foam, and the wave-absorbing foam is fixed in the shielding box body 1.
The wave-absorbing foam is fixed on each surface of the inner side of the shielding box body 1, so that a wave-absorbing effect is achieved. The wave-absorbing foam is ultrahigh-frequency wave-absorbing foam.
Compared with other common shielding boxes, the embodiment of the invention is internally provided with the ultrahigh frequency wave-absorbing cotton, can effectively absorb the reflection of electromagnetic waves, ensures a quiet test environment inside the box body, and ensures that the box body has higher shielding performance (more than 70dB) at 700MHz-60 GHz.
Optionally, as shown in fig. 1, the shielding box with a triaxial rotation function further includes a waveguide antenna 6, and the waveguide antenna 6 is installed at the top inside the shielding box body 1.
Particularly, as shown in fig. 4, the waveguide antenna 6 includes an antenna fixing seat 61, a plurality of antenna supports 62, and a plurality of antenna units 63, one end of the antenna support 62 is installed on the antenna fixing seat 61, at least one antenna unit 63 is arranged on the antenna support 62, the antenna unit 63 is arranged on the lower surface of the antenna fixing seat 61, and the antenna fixing seat 61 is installed at the top in the shielding box 1.
Specifically, as shown in fig. 4, the antenna bracket 62 has an arc-shaped structure, and the antenna bracket 62 is rotatably connected to the antenna fixing base 61.
The antenna unit 63 is a directional horn antenna (waveguide antenna) with a frequency of 60GHz, and has the characteristics of good directional radiation, a gain of 14dBi, a standing wave of less than 1.5 and good performance. As shown in fig. 4, the antenna unit 63 is detachably and fixedly mounted on the antenna bracket 62, and the distance and angle of the antenna unit 63 on the antenna bracket 62 can be adjusted.
The embodiment of the invention greatly improves the detection working frequency of the shielding box by adopting the waveguide antenna to reach 700MHz-60GHz, can meet the test of fifth-generation mobile communication products, and provides an interference-free environment for test equipment.
Optionally, as shown in fig. 2-3, the shielding box with a triaxial rotation function further includes an electric cabinet 7, the electric cabinet 7 is connected to the bottom of the shielding box body 1, a drawer 71 is disposed on one side of the electric cabinet 7, an electric control board 72 is disposed in the drawer 71, and the electric control board 72 is electrically connected to the shielding box body 1, the sliding device 3, and the shielding box door body 2, respectively.
As shown in fig. 2-3, the electric wires of the electric control board 72 are placed in the tow chain structure 73, and the electric wires of the electric control board 72 are electrically connected to the antenna 6 of the shielding box 1, the sliding device 3, and the shielding box door 2, respectively, so as to implement the control function.
According to the embodiment of the invention, the electric control board in the electric control box is easy to draw out and replace and convenient to maintain by adopting the electric control box structure with the drawer.
Optionally, the shielding box with a triaxial rotation function has a plurality of communication interfaces, and each communication interface employs a filtering processing circuit.
Particularly, the filtering processing circuit is a power supply filter with EMI, and the power supply filter has a feedthrough capacitor with EMI, so that the shielding performance of the box body is ensured.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.
Claims (10)
1. A shielding box with a triaxial rotation function is characterized by comprising a shielding box body, a sliding device, a shielding box door body and a gyroscope fixture, wherein an opening is formed in one side face of the shielding box body; the gyroscope fixture comprises a first rotating device, a second rotating device, a connecting arm and an assembly body, wherein only one side edge of the assembly body is connected with the first rotating device, the first rotating device is installed on the second rotating device through the connecting arm, the first rotating device comprises a first rotating shaft, the second rotating device comprises a second rotating shaft, a straight line where the first rotating shaft is located is intersected with and perpendicular to a straight line where the second rotating shaft is located, and the second rotating device is installed on one side of a shielding box door body.
2. The shielding box with triaxial rotating function according to claim 1, wherein the sliding device is mounted at a lower end of an outer side of the shielding box body, and the sliding device is selected from one of a cylinder rod, an oil cylinder rod and a linear motor.
3. The shielding box with the triaxial rotation function according to claim 2, wherein the shielding box with the triaxial rotation function further comprises a positioning slide bar, the positioning slide bar is horizontally installed at one side of the sliding device, and the positioning slide bar is respectively connected with the shielding box body and the shielding box door body.
4. The shielding box with triaxial rotation function as claimed in claim 1, wherein the connecting arm is L-shaped, one end of the connecting arm is mounted on the second rotating device, and the first rotating device is fixed on the other end of the connecting arm.
5. The shielding box with three-axial rotation function according to claim 4, wherein the second rotating device comprises a transmission shaft and a synchronizing wheel, the synchronizing wheel is rotatably sleeved on the transmission shaft, and the synchronizing wheel is in transmission connection with the first rotating device.
6. The shielding box with the triaxial rotation function according to claim 5, wherein the gyroscope fixture further comprises a driven wheel set and a transmission belt, the driven wheel set comprises a first driven wheel and a second driven wheel, the first driven wheel and the second driven wheel are respectively mounted on two sides of a bent part of the L-shaped connecting arm, and the first rotating device, the synchronizing wheel, the first driven wheel and the second driven wheel are in transmission connection through the transmission belt.
7. The shielding box with the triaxial rotation function according to claim 5, wherein the gyroscope fixture further comprises a fixing seat, a first motor, a second motor, a first transmission structure and a second transmission structure, the transmission shaft is rotatably mounted on the fixing seat, the fixing seat is a shielding plate, a shielding space is formed between the fixing seat and a box door body of the shielding box, the first motor and the second motor are mounted in the shielding space, the first motor is in transmission connection with the transmission shaft through the first transmission structure, and the second motor is in transmission connection with the synchronizing wheel through the second transmission structure.
8. The shielding box with triaxial rotation function as claimed in claim 6, wherein the gyroscope fixture further includes a first zero point sensing device, the first zero point sensing device includes a first zero point sensing piece and a first zero point sensing switch, the first zero point sensing piece is mounted on the connecting arm, the first zero point sensing switch is mounted on the fixing base, the gyroscope fixture further includes a second zero point sensing device, the second zero point sensing device includes a second zero point sensing piece and a second zero point sensing switch, the second zero point sensing piece is mounted on the assembly body or the first rotating device, and the second zero point sensing switch is mounted on the connecting arm.
9. The shielding box with the triaxial rotation function according to claim 1, wherein the shielding box with the triaxial rotation function further comprises a waveguide antenna, the waveguide antenna is mounted at the top in the shielding box body, the waveguide antenna comprises an antenna fixing seat, a plurality of antenna supports and a plurality of antenna units, one end of each antenna support is mounted on the antenna fixing seat, at least one antenna unit is arranged on each antenna support, the antenna units are arranged on the lower surface of each antenna fixing seat, the antenna fixing seats are mounted at the top in the shielding box body, each antenna support is of an arc-shaped structure, and the antenna supports are rotatably connected with the antenna fixing seats.
10. The shielding box with the triaxial rotation function according to claim 1, wherein the shielding box with the triaxial rotation function further comprises an electric cabinet, the electric cabinet is connected to the bottom of the shielding box body, a drawer is arranged on one side of the electric cabinet, and an electric control board is arranged in the drawer and is electrically connected to the shielding box body, the sliding device and the shielding box door body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265158.0A CN111031771A (en) | 2019-12-11 | 2019-12-11 | Shielding box with triaxial rotates function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265158.0A CN111031771A (en) | 2019-12-11 | 2019-12-11 | Shielding box with triaxial rotates function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111031771A true CN111031771A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911265158.0A Pending CN111031771A (en) | 2019-12-11 | 2019-12-11 | Shielding box with triaxial rotates function |
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| Country | Link |
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| CN (1) | CN111031771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677178A (en) * | 2021-08-17 | 2021-11-19 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
-
2019
- 2019-12-11 CN CN201911265158.0A patent/CN111031771A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677178A (en) * | 2021-08-17 | 2021-11-19 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
| CN113677178B (en) * | 2021-08-17 | 2022-06-07 | 深圳市精泰达科技有限公司 | Convenient millimeter wave shielded cell is torn open in ann |
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