Anti-interference testing device for satellite navigation product
By designing a satellite navigation product anti-interference testing device that includes vibration and angle adjustment mechanisms, the problem that existing testing devices cannot perform multi-angle and simulate jitter has been solved, achieving a more comprehensive anti-interference testing effect.
Patent Information
- Application Number
- CN202520647312.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Existing satellite navigation product testing equipment is difficult to perform multi-angle anti-interference tests in a static state and cannot simulate the jitter environment in actual use, resulting in incomplete anti-interference testing.
A device comprising a base, a first adjustment seat, a second adjustment seat, and a mounting seat was designed. Through a vibration mechanism and an angle adjustment mechanism, the vibration and angle changes of navigation products in actual use were simulated to achieve multi-angle anti-interference testing.
It enables comprehensive anti-interference testing of satellite navigation products under multi-angle and vibration environments, improving the comprehensiveness and authenticity of the test.
Smart Images
Figure CN223947867U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to satellite navigation product test technical field, concretely is a satellite navigation product anti -interference test device. BACKGROUND
[0002] Satellite navigation refers to the technology that adopts navigation satellite to carry out navigation positioning to ground, ocean, air and space user, and common GPS navigation, big dipper navigation etc.
[0003] The satellite navigation product testing process in the prior art is in a stationary state, and the test angle is not easy to adjust, so that multi-angle anti-interference testing cannot be realized, and the navigation product is always in a stationary state, so that the anti-interference performance of the product under the condition that the product may be shaken due to operation in the actual application process cannot be known. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a satellite navigation product anti-interference test device, which solves the problems raised in the above background technology.
[0006] (II) technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a satellite navigation product anti-interference test device, comprising a base, a first adjusting seat is arranged above the base, a second adjusting seat is arranged above the first adjusting seat, a mounting seat is installed above the second adjusting seat, a vibration mechanism for driving the first adjusting seat is arranged on the base, an angle adjusting mechanism for adjusting the angle of the device is arranged on the first adjusting seat and the second adjusting seat;
[0008] The vibration mechanism comprises a slide frame symmetrically arranged on both sides of the first adjusting seat, the first adjusting seat is slidably connected with the base through the slide frame, a cam is rotatably arranged in the base and abuts against the slide frame, the second adjusting seat is rotatably connected with the first adjusting seat through a mounting shaft, the mounting seat is rotatably connected with the second adjusting seat through the mounting shaft, the angle adjusting mechanism comprises an angle sensor fixedly arranged on the first adjusting seat and the second adjusting seat, the output end of the angle sensor is fixedly arranged on the corresponding mounting shaft, the angle adjusting mechanism further comprises a first gear sleeved on the mounting shaft, a first rack is slidably arranged in the first adjusting seat and the second adjusting seat, a cylinder is fixedly arranged in the first adjusting seat and the second adjusting seat, the first rack is connected with the output end of the piston rod of the cylinder, the first rack is in meshing connection with the first gear, the mounting seat is provided with a positioning mechanism for fixing the navigation product, and the positioning mechanism comprises four groups of adjusting rods symmetrically arranged in the mounting seat.
[0009] Preferably, two groups of symmetrically distributed first slide rods are fixedly arranged in the base, the slide frame is slidably sleeved with the first slide rods, and two groups of symmetrically distributed first springs are sleeved on the first slide rods, and the two ends of the two groups of first springs are fixedly connected with the slide frame and the base respectively.
[0010] Preferably, two groups of symmetrically distributed ratchets are sleeved on the mounting shafts in the first adjusting seat and the second adjusting seat, two groups of pawls corresponding to the ratchets are arranged in the first adjusting seat and the second adjusting seat, the pawls are rotatably connected with the corresponding first adjusting seat or second adjusting seat through a rotating rod, a torsion spring is sleeved on the rotating rod, and the two ends of the torsion spring are fixedly connected with the pawl and the first adjusting seat or the second adjusting seat respectively, a second gear is sleeved on the two groups of rotating rods, and a second rack in meshing connection with the second gear is slidably arranged in the first adjusting seat and the second adjusting seat.
[0011] Preferably, a moving frame is slidably arranged in the first adjusting seat and the second adjusting seat, the moving frame is fixedly connected with the two groups of second racks respectively, a second slide rod is fixedly arranged in the first adjusting seat and the second adjusting seat, the moving frame is slidably sleeved with the second slide rod, two groups of symmetrically distributed second springs are sleeved on the second slide rod, the two ends of the second springs are fixedly connected with the moving frame and the first adjusting seat or the second adjusting seat respectively, and a metal block is fixedly arranged on the moving frame.
[0012] Preferably, a solenoid corresponding to the metal block is arranged in the first adjusting seat and the second adjusting seat, a solenoid coil is sleeved on the solenoid, a power supply device corresponding to the solenoid is arranged in the first adjusting seat and the second adjusting seat, and the two ends of the solenoid coil are connected with the positive and negative poles of the power supply device respectively.
[0013] Preferably, two sets of symmetrically distributed first push rods and second push rods are slidably installed in the mounting base. The two sets of first push rods and second push rods are vertically distributed. Four sets of adjusting rods are slidably connected to one set of first push rods and one set of second push rods, respectively. Clamping blocks are fixedly installed on each of the four sets of adjusting rods, and a pressure sensor is fixedly installed on the right clamping block.
[0014] Preferably, a first bidirectional screw and a second bidirectional screw are rotatably mounted in the mounting base. The two ends of the first bidirectional screw pass through two sets of first push rods and are threadedly connected to the two sets of first push rods respectively. The two ends of the second bidirectional screw pass through two sets of second push rods and are threadedly connected to the two sets of second push rods respectively.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, this utility model provides a satellite navigation product anti-interference testing device, which has the following beneficial effects:
[0017] The angle adjustment mechanism adjusts the angle of the second adjustment seat on the first adjustment seat, and the angle adjustment mechanism also adjusts the angle of the mounting seat on the second adjustment seat. This allows for the adjustment of the angle of the navigation product, which is fixed on the mounting seat and awaiting testing, during testing. Furthermore, after the product is fixed on the mounting seat, the vibration mechanism, through the vibration of the first adjustment seat, the second adjustment seat, and the mounting seat, causes the navigation product to vibrate during testing. This better reflects the actual operating environment that the navigation product may encounter in real-world use, making the anti-interference testing device more comprehensive. Attached Figure Description
[0018] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the vibration mechanism of this utility model;
[0021] Figure 3 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the diagram;
[0022] Figure 4 This is a schematic diagram of the angle adjustment mechanism of this utility model;
[0023] Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point B in the diagram;
[0024] Figure 6 Figure 1 is a structural schematic diagram of the positioning mechanism of the utility model.
[0025] In the figure: 1, base; 2, first adjusting seat; 3, second adjusting seat; 4, mounting seat; 5, vibration mechanism; 501, sliding frame; 502, first sliding rod; 503, first spring; 504, cam; 6, angle adjusting mechanism; 601, mounting shaft; 602, ratchet wheel; 603, pawl; 604, rotating rod; 605, torsion spring; 606, second gear; 607, second rack; 608, moving frame; 609, second sliding rod; 610, second spring; 611, metal block; 612, solenoid; 613, solenoid coil; 614, power supply device; 615, first gear; 616, first rack; 617, air cylinder; 618, angle sensor; 7, positioning mechanism; 701, adjusting rod; 702, clamping block; 703, pressure sensor; 704, first push rod; 705, second push rod; 706, first bidirectional screw rod; 707, second bidirectional screw rod. DETAILED DESCRIPTION
[0026] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.
[0027] Figures 1-6For an embodiment of the utility model, a satellite navigation product anti -interference testing arrangement, including base 1, be equipped with first adjusting seat 2 on base 1, be equipped with second adjusting seat 3 on first adjusting seat 2, be equipped with mounting seat 4 on second adjusting seat 3, be equipped with vibration mechanism 5 for first adjusting seat 2 push on base 1, first adjusting seat 2 and second adjusting seat 3 all are equipped with angle adjusting mechanism 6 for device angle adjustment, vibration mechanism 5 includes the carriage 501 of symmetrical distribution on the both sides of first adjusting seat 2, first adjusting seat 2 is slidably connected with base 1 through carriage 501, cam 504 is rotatably installed in base 1, and cam 504 is attached with carriage 501 setting, second adjusting seat 3 is rotatably connected with first adjusting seat 2 through mounting shaft 601, mounting seat 4 is rotatably connected with second adjusting seat 3 through mounting shaft 601, angle adjusting mechanism 6 includes angle sensor 618 of fixed installation on first adjusting seat 2 and second adjusting seat 3, angle sensor 618 output end is fixedly installed with corresponding mounting shaft 601, angle adjusting mechanism 6 still includes the first gear 615 of sleeve connection on mounting shaft 601, first adjusting seat 2 and second adjusting seat 3 all are slidably installed with first rack 616, first adjusting seat 2 and second adjusting seat 3 all are fixedly installed with cylinder 617, first rack 616 is connected with the output end of cylinder 617 piston rod, first rack 616 is engagedly connected with first gear 615, mounting seat 4 is equipped with the positioning mechanism 7 for navigation product fixation, positioning mechanism 7 includes four groups of adjusting rod 701 of symmetrical distribution in mounting seat 4, through the angle adjusting mechanism 6 for the angle of second adjusting seat 3 on first adjusting seat 2 is adjusted, and through angle adjusting mechanism 6 for the angle of mounting seat 4 on second adjusting seat 3 is adjusted, further realize for the angle of the navigation product test of fixed mounting seat 4 on the waiting test is adjusted, and through the vibration mechanism 5 in the process of testing is driven navigation product vibration in the process of testing after the product fixation on mounting seat 4 is completed through first adjusting seat 2, second adjusting seat 3 and mounting seat 4 vibration, to be more in line with the real operating environment that navigation product possibly meets in actual use process, make the test of this anti -interference testing arrangement more comprehensive.
[0028] In the embodiment, reference is made to Figure 2 、 Figure 3As shown, the base 1 is fixedly provided with two groups of symmetrically distributed first sliding rods 502, the sliding frame 501 is slidably sleeved with the first sliding rods 502, and the first sliding rods 502 are sleeved with two groups of symmetrically distributed first springs 503, the two ends of the two groups of first springs 503 are fixedly connected with the sliding frame 501 and the base 1 respectively, in the process of testing work, when the cam 504 in the base 1 rotates, the sliding frame 501 abutting against the cam 504 is pushed, the sliding frame 501 is slid on the first sliding rod 502, the first spring 503 is extruded or stretched, and then the first adjusting seat 2 vibrates left and right on the base 1, so that the navigation product fixed on the mounting seat 4 can be tested in anti-interference in a more realistic use environment.
[0029] In this embodiment, reference is made to Figure 4 and Figure 5As shown, the mounting shaft 601 in the first adjusting seat 2 and the second adjusting seat 3 is sleeved with two groups of symmetrically distributed ratchets 602, the first adjusting seat 2 and the second adjusting seat 3 are both provided with two groups of pawls 603 corresponding to the ratchets 602, the pawls 603 are rotationally connected with the corresponding first adjusting seat 2 or the second adjusting seat 3 through a rotating rod 604, the rotating rod 604 is sleeved with a torsional spring 605, and the two ends of the torsional spring 605 are fixedly connected with the pawl 603 and the first adjusting seat 2 or the second adjusting seat 3 respectively, the two groups of rotating rods 604 are both sleeved with a second gear 606, the first adjusting seat 2 and the second adjusting seat 3 are both slidably installed with a second rack 607 meshingly connected with the second gear 606, the first adjusting seat 2 and the second adjusting seat 3 are both slidably installed with a moving frame 608, the moving frame 608 is fixedly connected with the two groups of second racks 607 respectively, the first adjusting seat 2 and the second adjusting seat 3 are both fixedly installed with a second sliding rod 609, the moving frame 608 is slidably sleeved with the second sliding rod 609, the second sliding rod 609 is sleeved with two groups of symmetrically distributed second springs 610, the two ends of the second spring 610 are fixedly connected with the moving frame 608 and the first adjusting seat 2 or the second adjusting seat 3 respectively, the moving frame 608 is fixedly installed with a metal block 611, the first adjusting seat 2 and the second adjusting seat 3 are both provided with solenoids 612 corresponding to the metal block 611, the solenoids 612 are sleeved with solenoids 613, the first adjusting seat 2 and the second adjusting seat 3 are both provided with power devices 614 corresponding to the solenoids 612, the two ends of the solenoids 613 are connected with the positive and negative poles of the power device 614 respectively, in the anti-interference detection process, the power device 614 is started to electrify the solenoids 613, so that a magnetic field is generated around the solenoid 612 to adsorb the metal block 611, thereby driving the moving frame 608 to slide with the two groups of second racks 607, cooperating with the second gear 606 to drive the rotating rod 604 to rotate, and the pawl 603 rotates synchronously with the rotating rod 604 to deviate from the limiting of the corresponding ratchet 602, thereby enabling the mounting shaft 601 on the second adjusting seat 3 and the mounting seat 4 to freely rotate in the corresponding first adjusting seat 2 and the second adjusting seat 3, the cylinder 617 in the first adjusting seat 2 and the second adjusting seat 3 drives the corresponding first rack 616 to slide, and the first gear 615 can drive the mounting shaft 601 to rotate, thereby adjusting the angle of the second adjusting seat 3 on the first adjusting seat 2 and the angle of the mounting seat 4 on the second adjusting seat 3, and after the angle adjustment is completed, the power device 614 is turned off to break the attraction to the metal block 611, and under the action of the torsional spring 605 and the second spring 610, the pawl 603 returns to the original position to limit the position of the ratchet 602, and the mounting shaft 601 cannot rotate, thereby firmly fixing the angle of the second adjusting seat 3 and the mounting seat 4 and the navigation product on the mounting seat 4.
[0030] In the embodiment, reference is made to Figure 6As shown, the mounting seat 4 is slidably installed with two groups of symmetrically distributed first push rods 704 and second push rods 705, the two groups of first push rods 704 and second push rods 705 are vertically distributed, four groups of adjusting rods 701 are slidably connected with a group of first push rods 704 and second push rods 705 respectively, the four groups of adjusting rods 701 are fixedly installed with clamping blocks 702, the right clamping block 702 is fixedly installed with a pressure sensor 703, the mounting seat 4 is rotatably installed with a first bidirectional screw 706 and a second bidirectional screw 707, the two ends of the first bidirectional screw 706 respectively penetrate two groups of first push rods 704 and are respectively threadedly connected with the two groups of first push rods 704, the two ends of the second bidirectional screw 707 respectively penetrate two groups of second push rods 705 and are respectively threadedly connected with the two groups of second push rods 705, when the first bidirectional screw 706 and the second bidirectional screw 707 are driven to rotate by the motor on the mounting seat 4, the two groups of first push rods 704 and second push rods 705 are synchronously slid inward or outward under the limiting action of the mounting seat 4, and then the four groups of adjusting rods 701 drive the clamping blocks 702 to synchronously slide inward or outward, the fixing of the navigation products waiting for testing on the mounting seat 4 is realized, and the pressure sensor 703 detects the force of the clamping blocks 702 on the navigation products, so as to avoid the damage of the navigation products caused by excessive clamping force.
[0031] In the working of the embodiment, when the first bidirectional screw rod 706 and the second bidirectional screw rod 707 are driven to rotate by the motor on the mounting seat 4, the two groups of first push rods 704 and second push rods 705 are synchronously slid inwards or outwards under the limiting action of the mounting seat 4, and then the four groups of adjusting rods 701 drive the clamping blocks 702 to synchronously slide inwards or outwards, so as to fix the navigation product waiting for testing on the mounting seat 4, and the force of the clamping block 702 on the navigation product is detected by the pressure sensor 703 to avoid damage to the navigation product caused by excessive clamping force. In the anti-interference detection process, the power supply device 614 is started to energize the solenoid coil 613, so that a magnetic field is generated around the solenoid 612 to adsorb the metal block 611, and then the moving frame 608 drives the two groups of second racks 607 to slide, cooperates with the second gear 606 to drive the rotating rod 604 to rotate, and the pawl 603 rotates synchronously with the rotating rod 604, deviates from the limiting of the corresponding ratchet wheel 602, and then the mounting shaft 601 on the second adjusting seat 3 and the mounting seat 4 can be freely rotated in the corresponding first adjusting seat 2 and the second adjusting seat 3. The first rack 616 in the first adjusting seat 2 and the second adjusting seat 3 is driven to slide by the cylinder 617, and cooperates with the first gear 615 to drive the mounting shaft 601 to rotate, so as to adjust the angle of the second adjusting seat 3 on the first adjusting seat 2 and the angle of the mounting seat 4 on the second adjusting seat 3. After the angle adjustment is completed, the power supply device 614 is turned off to disconnect the attraction of the metal block 611. Under the action of the torsional spring 605 and the second spring 610, the pawl 603 returns to the original position to limit the position of the ratchet wheel 602. The mounting shaft 601 cannot be rotated, and the angle of the second adjusting seat 3, the mounting seat 4 and the navigation product on the mounting seat 4 is firmly fixed. During the testing process, when the cam 504 in the base 1 rotates, the slide 501 abutting thereto is pushed, and the first spring 503 is compressed or stretched when the slide 501 slides on the first slide rod 502, so that the first adjusting seat 2 vibrates left and right on the base 1, so that the navigation product fixed on the mounting seat 4 can be tested in a more realistic use environment.
[0032] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.
[0033] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.
[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A satellite navigation product anti-interference testing device, comprising a base (1), characterized in that: The base (1) is provided with a first adjustment seat (2) above it, a second adjustment seat (3) is provided above the first adjustment seat (2), an installation seat (4) is installed above the second adjustment seat (3), a vibration mechanism (5) for pushing the first adjustment seat (2) is provided on the base (1), and an angle adjustment mechanism (6) for adjusting the device angle is provided on both the first adjustment seat (2) and the second adjustment seat (3). The vibration mechanism (5) includes slides (501) symmetrically distributed on both sides of the first adjusting seat (2). The first adjusting seat (2) is slidably connected to the base (1) through the slides (501). A cam (504) is rotatably installed inside the base (1), and the cam (504) is fitted with the slides (501). The second adjusting seat (3) is rotatably connected to the first adjusting seat (2) through the mounting shaft (601). The mounting seat (4) is rotatably connected to the second adjusting seat (3) through the mounting shaft (601). The angle adjustment mechanism (6) includes an angle sensor (618) fixedly installed on the first adjusting seat (2) and the second adjusting seat (3). The output end of the angle sensor (618) is connected to the corresponding... The mounting shaft (601) is fixedly installed. The angle adjustment mechanism (6) also includes a first gear (615) sleeved on the mounting shaft (601). A first rack (616) is slidably installed in both the first adjustment seat (2) and the second adjustment seat (3). A cylinder (617) is fixedly installed in both the first adjustment seat (2) and the second adjustment seat (3). The first rack (616) is connected to the output end of the piston rod of the cylinder (617). The first rack (616) is meshed with the first gear (615). The mounting seat (4) is provided with a positioning mechanism (7) for fixing the navigation product. The positioning mechanism (7) includes four sets of adjusting rods (701) symmetrically distributed in the mounting seat (4).
2. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: The base (1) is fixedly installed with two sets of symmetrically distributed first slide rods (502). The slide frame (501) is slidably connected to the first slide rods (502), and two sets of symmetrically distributed first springs (503) are sleeved on the first slide rods (502). The two ends of the two sets of first springs (503) are fixedly connected to the slide frame (501) and the base (1) respectively.
3. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: Two sets of symmetrically distributed ratchet wheels (602) are sleeved on the mounting shaft (601) in the first adjusting seat (2) and the second adjusting seat (3). Two sets of pawls (603) corresponding to the ratchet wheels (602) are provided in the first adjusting seat (2) and the second adjusting seat (3). The pawls (603) are rotatably connected to the corresponding first adjusting seat (2) or second adjusting seat (3) through the rotating rod (604). A torsion spring (605) is sleeved on the rotating rod (604), and the two ends of the torsion spring (605) are fixedly connected to the pawl (603) and the first adjusting seat (2) or the second adjusting seat (3) respectively. A second gear (606) is sleeved on both sets of rotating rods (604). A second rack (607) that meshes with the second gear (606) is slidably installed in the first adjusting seat (2) and the second adjusting seat (3).
4. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: A movable frame (608) is slidably installed in both the first adjusting seat (2) and the second adjusting seat (3). The movable frame (608) is fixedly connected to two sets of second racks (607). A second slide rod (609) is fixedly installed in both the first adjusting seat (2) and the second adjusting seat (3). The movable frame (608) is slidably sleeved with the second slide rod (609). Two sets of symmetrically distributed second springs (610) are sleeved on the second slide rod (609). The two ends of the second springs (610) are fixedly connected to the movable frame (608) and the first adjusting seat (2) or the second adjusting seat (3). A metal block (611) is fixedly installed on the movable frame (608).
5. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: The first adjustment seat (2) and the second adjustment seat (3) are each provided with a solenoid (612) corresponding to the metal block (611). A solenoid coil (613) is sleeved on the solenoid (612). The first adjustment seat (2) and the second adjustment seat (3) are each provided with a power supply device (614) corresponding to the solenoid (612). The two ends of the solenoid coil (613) are respectively connected to the positive and negative poles of the power supply device (614).
6. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: Two sets of symmetrically distributed first push rods (704) and second push rods (705) are slidably installed in the mounting base (4). The two sets of first push rods (704) and second push rods (705) are vertically distributed. Four sets of adjusting rods (701) are slidably connected to one set of first push rods (704) and one set of second push rods (705). Clamping blocks (702) are fixedly installed on each of the four sets of adjusting rods (701). A pressure sensor (703) is fixedly installed on the right clamping block (702).
7. The anti-interference testing device for satellite navigation products according to claim 1, characterized in that: The mounting base (4) is rotatably mounted with a first bidirectional screw (706) and a second bidirectional screw (707). The two ends of the first bidirectional screw (706) pass through two sets of first push rods (704) and are threadedly connected to the two sets of first push rods (704) respectively. The two ends of the second bidirectional screw (707) pass through two sets of second push rods (705) and are threadedly connected to the two sets of second push rods (705) respectively.