CN217213166U - Starry sky anti-interference testing device - Google Patents
Starry sky anti-interference testing device Download PDFInfo
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- CN217213166U CN217213166U CN202220796529.9U CN202220796529U CN217213166U CN 217213166 U CN217213166 U CN 217213166U CN 202220796529 U CN202220796529 U CN 202220796529U CN 217213166 U CN217213166 U CN 217213166U
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- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The utility model relates to a navigation equipment technical field just discloses a starry sky anti-interference testing arrangement, including the microwave darkroom, many navigation antennas of inner wall top side fixedly connected with of microwave darkroom, the reciprocal actuating mechanism of inner wall upside still fixedly connected with of microwave darkroom, a plurality of interference antennas of reciprocal actuating mechanism's output fixedly connected with, the through-hole has been seted up to the bottom of microwave darkroom, and has cup jointed a support section of thick bamboo through the bearing rotation in the through-hole, the upper end fixedly connected with cavity horizontal pole of a support section of thick bamboo, the relative one side inner wall of cavity horizontal pole rotates and is connected with first reciprocal lead screw, the movable block has been cup jointed to the pole wall screw thread of first reciprocal lead screw. According to the method and the device, the interference signal can form the mobile interference signal, the mobile interference can be well detected, the real application environment of the satellite navigation terminal can be simulated, and the detection quality is high.
Description
Technical Field
The application belongs to the technical field of navigation equipment, and particularly relates to a babysbreath anti-interference testing device.
Background
In recent years, with the vigorous development of the satellite navigation industry, various types of satellite navigation terminals are emerging continuously, and in the development process of satellite navigation equipment, an anti-interference performance test method needs to be designed according to the anti-interference technical characteristics of the satellite navigation equipment, and the anti-interference performance of the terminal is tested and evaluated, so that the anti-interference test becomes important content of research.
The starry sky anti-interference test system is characterized in that a plurality of navigation antennas and interference antennas are distributed in a microwave darkroom, navigation signals and interference signals in different directions are simulated, and anti-interference performance test of a navigation terminal adopting a multi-element antenna array is realized.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: the interference antenna position in the present starry sky anti-interference side-looking device is relatively fixed, the detection of mobile interference can not be carried out, and the placement of a navigation terminal is fixed, the signal detection in a real mobile environment can not be simulated, and the detection quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, and providing a babysbreath anti-interference testing device.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a starry sky anti-interference testing device comprises a microwave anechoic chamber, wherein the top side of the inner wall of the microwave anechoic chamber is fixedly connected with a plurality of navigation antennas, the upper side of the inner wall of the microwave anechoic chamber is also fixedly connected with a reciprocating driving mechanism, the output end of the reciprocating driving mechanism is fixedly connected with a plurality of interference antennas, the bottom of the microwave anechoic chamber is provided with a through hole, a supporting cylinder is rotatably sleeved in the through hole through a bearing, the upper end of the supporting cylinder is fixedly connected with a hollow cross rod, the inner wall of one side of the hollow cross rod opposite to the hollow cross rod is rotatably connected with a first reciprocating lead screw, a rod wall thread of the first reciprocating lead screw is sleeved with a moving block, the upper end of the moving block penetrates through a strip-shaped opening arranged on the upper side of the hollow cross rod and is fixedly connected with a placing groove, a navigation terminal is fixedly embedded in the placing groove, and the lower end of the microwave anechoic chamber is fixedly connected with a U-shaped fixing plate, the horizontal part fixedly connected with fixed axle of U-shaped fixed plate, the upper end of fixed axle stretches into in the support cylinder, and stretches into in the cavity horizontal pole through the through-hole that cavity horizontal pole downside was seted up, rotate through the bearing in the corresponding through-hole of cavity horizontal pole and cup joint the outside at the fixed axle, the upper end fixedly connected with driven bevel gear of fixed axle, the pole wall of reciprocal lead screw is fixed cup joints the initiative bevel gear with driven bevel gear meshing, the lower extreme fixedly connected with of microwave anechoic chamber is used for driving the rotatory rotary mechanism of support cylinder.
Preferably, the reciprocating driving mechanism comprises two clamping plates which are vertically and symmetrically fixedly connected to the inner side of the anechoic chamber, a second reciprocating screw rod is rotatably connected between the two clamping plates through a bearing and located on the upper side, a driving motor is fixedly connected to the outer side of the clamping plates, the output end of the driving motor is fixedly connected with the upper end of the second reciprocating screw rod, a lifting block is sleeved on the rod wall of the second reciprocating screw rod in a threaded manner, a connecting plate is fixedly connected to the side wall of the lifting block, and the connecting plate is fixedly connected with the plurality of interference antennas.
By adopting the technical scheme, the interference signal can form a mobile interference signal, and good mobile interference detection can be carried out.
Preferably, the rotating mechanism comprises a rotating motor connected to the lower end of the microwave dark room, the output end of the rotating motor is fixedly connected with a driving gear, and a driven gear meshed with the driving gear is fixedly sleeved on the outer side of the supporting cylinder.
By adopting the technical scheme, the rotating motor drives the driving gear to rotate, the supporting cylinder is driven to rotate through the meshing action of the driving gear and the driven gear, and then the hollow cross rod is driven to rotate to drive the navigation terminal to rotate relatively.
Preferably, four corners of the bottom of the microwave darkroom are fixedly connected with supporting legs.
By adopting the technical scheme, the microwave darkroom has good support performance.
Preferably, a guide slide bar is fixedly connected in the strip-shaped opening corresponding to the hollow cross bar, and a slide hole in sliding sleeve connection with the guide slide bar is formed in the side wall of the moving block.
By adopting the technical scheme, the moving block can move more stably and smoothly
Preferably, the rear side of the lifting block is fixedly connected with a limiting sliding block, and the inner side of the microwave darkroom is provided with a limiting sliding groove matched with the limiting sliding block in a sliding manner.
Preferably, a layer of damping rubber mat is fixedly connected to the inner side of the placing groove.
Compared with the prior art, the application provides a babysbreath anti-interference testing device, possesses following beneficial effect:
1. this anti-interference testing arrangement of starry sky, through the microwave darkroom that is equipped with, the navigation antenna, interference antenna and navigation terminal, the navigation signal is sent to the navigation antenna, interference antenna sends interference signal and detects the navigation terminal, and start driving motor when detecting, driving motor drives the reciprocal lead screw of second and rotates, the screw through the reciprocal lead screw of second and elevator cup joints the effect and makes the elevator drive a plurality of interference antennas through the connecting plate and reciprocate, can make interference signal form and remove interference signal, can carry out fine removal interference detection.
2. This anti-interference testing arrangement of starry sky, through supporting cylinder and the hollow horizontal pole that is equipped with, when examining, start the rotating electrical machines, the rotating electrical machines drives the driving gear and rotates, the meshing through driving gear and driven gear drives the supporting cylinder and rotates, and then drive the hollow horizontal pole and rotate, drive navigation terminal relative rotation, and the relative driven bevel gear rotation of driving bevel gear when the hollow horizontal pole rotates, and then drive first reciprocal lead screw rotatory, the screw cup joints through first reciprocal lead screw and movable block and acts on and makes movable block cooperation standing groove drive navigation terminal relative round trip movement, make navigation terminal be in a rotary motion's environment, can simulate real satellite navigation terminal application environment, detection quality is high.
And the part not related in the device is the same as the prior art or can be realized by adopting the prior art, the interference signal can form a mobile interference signal, the mobile interference detection can be well carried out, the real application environment of the satellite navigation terminal can be simulated, and the detection quality is high.
Drawings
Fig. 1 is a schematic structural diagram of an anti-interference testing apparatus for babysbreath according to the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an external perspective view of fig. 1.
In the figure: 1. a microwave darkroom; 2. a navigation antenna; 3. an interference antenna; 4. a support cylinder; 5. a hollow cross-bar; 6. a first reciprocating screw rod; 7. a moving block; 8. a strip-shaped opening; 9. a placement groove; 10. a navigation terminal; 11. a U-shaped fixing plate; 12. a fixed shaft; 13. a driven bevel gear; 14. a drive bevel gear; 15. clamping a plate; 16. a second reciprocating screw rod; 17. a drive motor; 18. a lifting block; 19. a connecting plate; 20. a rotating electric machine; 21. a driving gear; 22. a driven gear; 23. and guiding the sliding rod.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
Example 1:
referring to fig. 1-3, a starry sky anti-interference testing device comprises a microwave darkroom 1, wherein four corners at the bottom of the microwave darkroom 1 are fixedly connected with supporting legs, the top side of the inner wall of the microwave darkroom 1 is fixedly connected with a plurality of navigation antennas 2, the upper side of the inner wall of the microwave darkroom 1 is also fixedly connected with a reciprocating driving mechanism, the output end of the reciprocating driving mechanism is fixedly connected with a plurality of interference antennas 3, the bottom of the microwave darkroom 1 is provided with a through hole, a supporting cylinder 4 is rotatably sleeved in the through hole through a bearing, the upper end of the supporting cylinder 4 is fixedly connected with a hollow cross rod 5, the inner wall at one side opposite to the hollow cross rod 5 is rotatably connected with a first reciprocating lead screw 6, a rod wall thread of the first reciprocating lead screw 6 is sleeved with a moving block 7, the upper end of the moving block 7 penetrates through a strip-shaped opening 8 arranged at the upper side of the hollow cross rod 5 and is fixedly connected with a placing groove 9, the inner side of the placing groove 9 is fixedly connected with a layer of damping rubber mat, a guide slide rod 23 is fixedly connected in the hollow cross bar 5 corresponding to the strip-shaped opening 8, the side wall of the moving block 7 is provided with a slide hole which is in slide sleeve joint with the guide slide rod 23, a navigation terminal 10 is fixedly embedded in the placing groove 9, the lower end of the microwave dark room 1 is fixedly connected with a U-shaped fixed plate 11, the horizontal part of the U-shaped fixed plate 11 is fixedly connected with a fixed shaft 12, the upper end of the fixed shaft 12 extends into the supporting cylinder 4 and extends into the hollow cross bar 5 through a through hole arranged at the lower side of the hollow cross bar 5, the hollow cross bar 5 is rotatably sleeved outside the fixed shaft 12 through a bearing in the corresponding through hole, the upper end of the fixed shaft 12 is fixedly connected with a driven bevel gear 13, the bar wall of the reciprocating screw is fixedly sleeved with a driving bevel gear 14 which is meshed with the driven bevel gear 13, and the lower end of the microwave dark room 1 is fixedly connected with a rotating mechanism which is used for driving the supporting cylinder 4 to rotate, the rotating mechanism comprises a rotating motor 20 connected to the lower end of the microwave dark room 1, a driving gear 21 is fixedly connected to the output end of the rotating motor 20, and a driven gear 22 meshed with the driving gear 21 is fixedly sleeved on the outer side of the supporting cylinder 4.
Example 2:
referring to fig. 1, the reciprocating driving mechanism includes two clamping plates 15 which are vertically symmetrical and fixedly connected to the inner side of the microwave anechoic chamber 1, a second reciprocating screw rod 16 is rotatably connected between the two clamping plates 15 through a bearing, an outer side fixedly connected with driving motor 17 located on the clamping plate 15 at the upper side, an output end of the driving motor 17 is fixedly connected to the upper end of the second reciprocating screw rod 16, a lifting block 18 is sleeved on a rod wall thread of the second reciprocating screw rod 16, a connecting plate 19 is fixedly connected to the side wall of the lifting block 18, the connecting plate 19 is fixedly connected with a plurality of interference antennas 3, a limiting slide block is fixedly connected to the rear side of the lifting block 18, and a limiting slide groove which is matched with the limiting slide block and connected to the inner side of the microwave anechoic chamber 1 is provided.
Now, the operation principle of the present invention is described as follows:
when the detection device is used, the navigation antenna 2 sends a navigation signal through the arranged microwave anechoic chamber 1, the navigation antenna 2, the interference antenna 3 and the navigation terminal 10, the interference antenna 3 sends the interference signal to detect the navigation terminal 10, the driving motor 17 is started during detection, the driving motor 17 drives the second reciprocating screw rod 16 to rotate, the lifting block 18 drives the interference antennas 3 to move up and down through the connecting plate 19 through the threaded sleeve function of the second reciprocating screw rod 16 and the lifting block 18, the interference signal can form a moving interference signal, good moving interference detection can be carried out, when detection is carried out through the arranged support cylinder 4 and the hollow cross rod 5, the rotating motor 20 is started, the rotating motor 20 drives the driving gear 21 to rotate, the support cylinder 4 is driven to rotate through the meshing function of the driving gear 21 and the driven gear 22, and then the hollow cross rod 5 is driven to rotate, the navigation terminal 10 is driven to rotate relatively, the driving bevel gear 14 rotates relative to the driven bevel gear 13 when the hollow cross rod 5 rotates, the first reciprocating screw rod 6 is driven to rotate, the moving block 7 is matched with the placing groove 9 to drive the navigation terminal 10 to move back and forth relatively through the threaded sleeve effect of the first reciprocating screw rod 6 and the moving block 7, the navigation terminal 10 is made to be in a rotary moving environment, the real application environment of the satellite navigation terminal 10 can be simulated, and the detection quality is high.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present application, and equivalent alternatives or modifications according to the technical solutions and the application concepts of the present application, which are within the technical scope of the present application.
Claims (7)
1. The starry sky anti-interference testing device comprises a microwave darkroom (1) and is characterized in that the top side of the inner wall of the microwave darkroom (1) is fixedly connected with a plurality of navigation antennas (2), the upper side of the inner wall of the microwave darkroom (1) is also fixedly connected with a reciprocating driving mechanism, the output end of the reciprocating driving mechanism is fixedly connected with a plurality of interference antennas (3), the bottom of the microwave darkroom (1) is provided with a through hole, a supporting cylinder (4) is rotatably sleeved in the through hole through a bearing, the upper end of the supporting cylinder (4) is fixedly connected with a hollow cross rod (5), the inner wall of one side of the hollow cross rod (5) opposite to the hollow cross rod is rotatably connected with a first reciprocating lead screw (6), the rod wall of the first reciprocating lead screw (6) is sleeved with a moving block (7) through a strip-shaped opening (8) formed in the upper side of the hollow cross rod (5), the upper end of the moving block (7) penetrates through the upper end of the hollow cross rod (5), and is fixedly connected with a placing groove (9), a navigation terminal (10) is fixedly embedded in the placing groove (9), the lower end of the microwave anechoic chamber (1) is fixedly connected with a U-shaped fixing plate (11), the horizontal part of the U-shaped fixing plate (11) is fixedly connected with a fixing shaft (12), the upper end of the fixing shaft (12) extends into the supporting cylinder (4), and extends into the hollow cross bar (5) through a through hole arranged at the lower side of the hollow cross bar (5), the hollow cross rod (5) is rotatably sleeved outside the fixed shaft (12) through a bearing in the corresponding through hole, the upper end of the fixed shaft (12) is fixedly connected with a driven bevel gear (13), a driving bevel gear (14) meshed with the driven bevel gear (13) is fixedly sleeved on the rod wall of the reciprocating screw rod, the lower end of the microwave darkroom (1) is fixedly connected with a rotating mechanism for driving the supporting cylinder (4) to rotate.
2. The starry sky anti-interference testing device according to claim 1, wherein the reciprocating driving mechanism comprises two clamping plates (15) which are vertically and symmetrically fixedly connected to the inner side of the microwave dark room (1), a second reciprocating screw rod (16) is rotatably connected between the two clamping plates (15) through a bearing, a driving motor (17) is fixedly connected to the outer side of the clamping plate (15) located on the upper side, the output end of the driving motor (17) is fixedly connected to the upper end of the second reciprocating screw rod (16), a lifting block (18) is sleeved on the rod wall of the second reciprocating screw rod (16) in a threaded manner, a connecting plate (19) is fixedly connected to the side wall of the lifting block (18), and the connecting plate (19) is fixedly connected to the plurality of interference antennas (3).
3. The babysbreath anti-interference testing device according to claim 1, wherein the rotating mechanism comprises a rotating motor (20) connected to the lower end of the microwave dark room (1), the output end of the rotating motor (20) is fixedly connected with a driving gear (21), and the outer side of the supporting cylinder (4) is fixedly sleeved with a driven gear (22) engaged with the driving gear (21).
4. The babysbreath anti-interference testing device according to claim 1, wherein the bottom four corners of the microwave anechoic chamber (1) are all fixedly connected with supporting legs.
5. The babysbreath anti-interference testing device according to claim 1, wherein a guiding sliding rod (23) is fixedly connected in the hollow cross rod (5) corresponding to the strip-shaped opening (8), and a sliding hole slidably sleeved with the guiding sliding rod (23) is formed in a side wall of the moving block (7).
6. The babysbreath anti-interference testing device according to claim 2, wherein a limiting slide block is fixedly connected to the rear side of the lifting block (18), and a limiting slide groove matched with the limiting slide block and in sliding connection with the limiting slide block is formed on the inner side of the microwave dark room (1).
7. The babysbreath anti-interference testing device according to claim 1, wherein a layer of damping rubber pad is fixedly connected to the inner side of the placing groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796529.9U CN217213166U (en) | 2022-04-07 | 2022-04-07 | Starry sky anti-interference testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220796529.9U CN217213166U (en) | 2022-04-07 | 2022-04-07 | Starry sky anti-interference testing device |
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| CN217213166U true CN217213166U (en) | 2022-08-16 |
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| CN202220796529.9U Active CN217213166U (en) | 2022-04-07 | 2022-04-07 | Starry sky anti-interference testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115755107A (en) * | 2022-11-01 | 2023-03-07 | 北京东方计量测试研究所 | Orbit motion simulation testing device based on starry darkroom |
| CN117240383A (en) * | 2023-09-11 | 2023-12-15 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
| CN119574992A (en) * | 2024-12-12 | 2025-03-07 | 昆山铭众电子科技有限公司 | Antenna automatic detection equipment |
-
2022
- 2022-04-07 CN CN202220796529.9U patent/CN217213166U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115755107A (en) * | 2022-11-01 | 2023-03-07 | 北京东方计量测试研究所 | Orbit motion simulation testing device based on starry darkroom |
| CN117240383A (en) * | 2023-09-11 | 2023-12-15 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
| CN117240383B (en) * | 2023-09-11 | 2024-05-14 | 苏州科标检测有限公司 | Radio frequency anti-interference detection device and method |
| CN119574992A (en) * | 2024-12-12 | 2025-03-07 | 昆山铭众电子科技有限公司 | Antenna automatic detection equipment |
| CN119574992B (en) * | 2024-12-12 | 2025-08-12 | 昆山铭众电子科技有限公司 | Antenna automatic detection equipment |
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