Signal transmission equipment testing device

Abstract

The invention relates to the technical field of signal transmission, in particular to a signal transmission equipment testing device which comprises a bottom frame and a stand column arranged in the middle of the bottom frame, an extension arm is rotationally installed on the stand column, a testing box is installed at the end of the extension arm, and the testing box is used for installing signal transmission equipment to be tested. The tops of the stand columns are used for installing corresponding signal receiving equipment. A plurality of groups of environment simulation boxes are fixed on the periphery at the height of the test box, the test box is in butt joint with a plurality of groups of annular simulation boxes in sequence, so that multi-environment simulation of the signal transmission equipment is realized, and the operation stability test of the signal transmission equipment under different conditions is realized by utilizing the arrangement of the plurality of groups of environment simulation boxes.

Description

Technical Field

[0001] The present invention relates to the technical field of signal transmission, and in particular to a signal transmission equipment testing device. Background Art

[0002] The working environment test of signal transmission equipment is a key step to ensure the stable operation of the equipment under different conditions. There are many influencing factors, such as temperature, humidity, vibration, electromagnetic interference, altitude, etc.

[0003] The working environment test of signal transmission equipment is a comprehensive and complex process that requires comprehensive consideration of multiple factors. Through these tests, it can be ensured that the equipment can work stably and reliably in different environments, providing a strong guarantee for the normal operation of the communication system.

[0004] The signal transmission equipment testing device provided in this solution tests the operating stability of the signal transmission equipment under different conditions by simulating a variety of different usage environments. Summary of the invention

[0005] The present invention aims to at least solve the problem of operating stability testing of signal transmission equipment under different usage environments existing in the prior art.

[0006] The present invention provides a signal transmission equipment test device, which is achieved by the following specific technical means: comprising a base frame and a column arranged in the middle of the base frame, and an extension arm is rotatably mounted on the column, and a test box is installed at the end of the extension arm, the test box is used to install the signal transmission equipment to be tested, and the top of the column is used to install the corresponding signal receiving equipment;

[0007] A plurality of sets of environmental simulation boxes are fixed at the height of the test box on all sides, and the test box is connected with the plurality of sets of environmental simulation boxes in sequence to realize multi-environment simulation of the use of the signal transmission device.

[0008] Preferred technical solution 1: The environmental simulation chamber is provided with six groups;

[0009] The environmental simulation box of the first group is a high temperature environmental box, in which a high temperature environment generator is provided;

[0010] The environmental simulation box of the second group is a low temperature environment box, in which a low temperature environment generator is provided;

[0011] The environmental simulation chamber of the third group is a humidity environment chamber, in which a humidity environment generator is provided;

[0012] The environmental simulation box of the fourth group is a vibration environment box, in which a vibrator is provided;

[0013] The environmental simulation box of the fifth group is an electromagnetic environment box, in which an electromagnetic interference generator is provided;

[0014] The environmental simulation box of the sixth group is an altitude environment box, which is provided with an altitude environment simulator.

[0015] Preferred technical solution two: A window is provided on one side of the environmental simulation box close to the column, and a sealing plate is opened and closed in the window. The sealing plate is provided to block the window when not in use. A top opening piece is fixed to the rear end of the test box close to the environmental simulation box. The top opening piece is inserted into the window to push open the sealing plate when the test box is docked with a group of environmental simulation boxes, thereby realizing the connection between the test box and the environmental simulation box.

[0016] Preferred technical solution three: a slide seat is fixed to the end of the extension arm, the test box is slidably arranged on the slide seat, and the slide seat slides along the radial direction of the base frame.

[0017] Preferred technical solution four: Multiple groups of sliding rods are fixed on the inner wall of the environmental simulation box around the window, the sealing plate is slidably sleeved on the multiple groups of sliding rods, and a closing spring is connected between the inner end of the sliding rod and the sealing plate.

[0018] Preferred technical solution five: The rear wall of the test box is provided with a circular groove around the top opening, a protective enclosure slides through the circular groove, a support spring is connected between the inner end of the protective enclosure and the inner end wall of the circular groove, and the protective enclosure surrounds the window.

[0019] Preferred technical solution six: a telescopic rod is connected between the test box and the slide seat.

[0020] The above structure enables this solution to have the following beneficial effects:

[0021] 1. Use multiple sets of environmental simulation boxes to test the operation stability of signal transmission equipment under different conditions;

[0022] 2. The test environment is diverse, covering the common environments of signal transmission equipment, such as temperature, humidity, vibration, electromagnetic interference, altitude, etc.;

[0023] 3. The rotation of the extension arm can drive the test box to dock with different environmental simulation boxes to achieve sequential testing of multiple environments;

[0024] 4. Through the structural setting of the test box and the environmental simulation box, close connection between the two is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0027] Figure 2 This is a cross-sectional view of this scheme;

[0028] Figure 3 This is a cross-sectional view of the environmental simulation box of this scheme;

[0029] Figure 4 This is a schematic diagram of the structure of the slide and the test box of this solution;

[0030] Figure 5 This is a schematic diagram of the structure of the circular groove of this scheme;

[0031] Figure 6 This is a schematic diagram of the structure of the base frame and columns of this scheme;

[0032] Figure 7 This is the connection status diagram of the test box and the telescopic rod of this solution;

[0033] Figure 8 This is a schematic diagram of the structure of the extension arm of this scheme.

[0034] Among them, 1. base frame; 2. column;

[0035] 3. Extension arm; 31. Sliding seat;

[0036] 4. Test box; 41. Reciprocating groove; 42. Opening piece;

[0037] 5. Environmental simulation chamber; 51. Window; 52. High temperature environment chamber; 53. Low temperature environment chamber; 54. Humidity environment chamber; 55. Vibration environment chamber; 56. Electromagnetic environment chamber; 57. Altitude environment chamber; 58. Sealing plate; 59. Sliding rod; 510. Closing spring;

[0038] 6. Protective enclosure; 61. Support spring;

[0039] 7. Telescopic rod;

[0040] 8. Ring gear;

[0041] 9. Driving gear;

[0042] 10. Motor. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0044] See also Figure 1-Figure 3 and Figure 6, a signal transmission equipment testing device, comprising a base frame 1 and a column 2 arranged in the middle of the base frame 1, and an extension arm 3 is rotatably mounted on the column 2, and a test box 4 is installed at the end of the extension arm 3, the test box 4 is used to install the signal transmission equipment to be tested, a ring gear 8 is fixed around the column 2 on the extension arm 3, and a motor 10 is fixed in the base frame 1, and a driving gear 9 fixed on the output shaft of the motor 10 is meshed with the ring gear 8 to drive the extension arm 3 to rotate an angle, and the top of the column 2 is used to install a corresponding signal receiving device;

[0045] A plurality of sets of environmental simulation boxes 5 are fixed at the height of the test box 4 on all sides, and the test box 4 is connected with the plurality of sets of environmental simulation boxes 5 in sequence to realize multi-environment simulation of the signal transmission device.

[0046] See also Figure 1-Figure 3 , the signal transmission equipment test device, the environmental simulation box 5 is provided with six groups for simulating six different environments;

[0047] The first group of environmental simulation boxes 5 is a high temperature environment box 52, in which a high temperature environment generator (using existing technology) is provided, and the high temperature environment generator is used to generate high temperature in the high temperature environment box 52; a high temperature environment may cause the device to overheat, affecting the stability and accuracy of signal transmission, therefore, it is necessary to test the performance of the device under extreme high temperature;

[0048] The second group of environmental simulation boxes 5 is a low temperature environment box 53, in which a low temperature environment generator (using existing technology) is provided. The low temperature environment generator is used to generate low temperature in the low temperature environment box 53; low temperature environment may make materials brittle and increase the risk of failure. Low temperature testing can evaluate the working state of the equipment under cold conditions;

[0049] Rapid temperature changes may cause thermal stress to the equipment, resulting in structural damage or performance degradation. Such extreme conditions can be simulated by performing thermal shock tests in conjunction with the high temperature environment chamber 52 and the low temperature environment chamber 53.

[0050] The third group of environmental simulation boxes 5 is a humidity environment box 54, which is provided with a humidity environment generator (using existing technology), and the humidity environment generator is used to adjust the humidity change in the humidity environment box 54; a high humidity environment may cause the electronic components inside the device to get damp, causing problems such as short circuit or corrosion. The humidity test can evaluate the reliability of the device in a humid environment; a low humidity environment may cause electrostatic discharge problems and affect the stability of the device. By controlling the humidity conditions, the device's resistance to static electricity can be tested;

[0051] The fourth group of environmental simulation boxes 5 is a vibration environment box 55, which is provided with a vibrator (using existing technology) for generating vibrations; the equipment may be affected by mechanical vibrations during transportation or use. The vibration test can evaluate the stability of the equipment when subjected to vibration and the stability of signal transmission;

[0052] The fifth group of environmental simulation boxes 5 is an electromagnetic environment box 56, in which an electromagnetic interference generator (using existing technology) is provided. The electromagnetic interference generator is used to generate electromagnetic interference signals in the electromagnetic environment box 56. The electromagnetic interference may come from the inside or outside environment of the device. This test can evaluate the performance of the device in the electromagnetic interference environment to ensure that the signal transmission is not interfered with;

[0053] The sixth group of environmental simulation boxes 5 is an altitude environment box 57, which is provided with an altitude environment simulator (using existing technology). The altitude environment simulator is used to control the air pressure change in the altitude environment box 57. The air pressure in high altitude areas is low, which may affect the heat dissipation and signal transmission of the device. The altitude test can evaluate the performance of the device in a high altitude environment.

[0054] A window 51 is provided on one side of the environmental simulation box 5 close to the column 2, and a sealing plate 58 is opened and closed in the window 51. The sealing plate 58 is provided to seal the window 51 when not in use, and to seal and connect the test box 4 with a group of environmental simulation boxes 5 when they are docked. A top opening member 42 is fixed to the rear end of the test box 4 close to the environmental simulation box 5. The top opening member 42 is inserted into the window 51 to push open the sealing plate 58 when the test box 4 is docked with a group of environmental simulation boxes 5, thereby realizing the connection between the test box 4 and the environmental simulation box 5.

[0055] See also Figure 2 , Figure 4 and Figure 7-Figure 8 , a signal transmission equipment testing device, a slide 31 is fixed at the end of the extension arm 3, a test box 4 is slidably arranged on the slide 31, and the slide 31 slides along the radial direction of the base frame 1, so that when the test box 4 is facing a group of windows 51 of the environmental simulation box 5, the top opening member 42 can be inserted into the window 51 by the approach of the test box 4, and a telescopic rod 7 is connected between the test box 4 and the slide 31, the telescopic rod 7 is fixed on the slide 31 and the telescopic end is fixedly connected to the cross bar fixed to the test box 4, and the front and rear positions of the test box 4 on the slide 31 are controlled by the telescopic movement of the telescopic rod 7 to achieve docking or separation between the test box 4 and the environmental simulation box 5;

[0056] The inner wall of the environmental simulation box 5 is fixed with multiple groups of sliding rods 59 around the window 51, and the sealing plate 58 is slidably mounted on the multiple groups of sliding rods 59, and a closing spring 510 is connected between the inner end of the sliding rod 59 and the sealing plate 58. When the test box 4 is away from the environmental simulation box 5, the sealing plate 58 is pushed by the rebound of the closing spring 510 to fit and contact the inner wall of the environmental simulation box 5 to block the window 51. When the test box 4 approaches, the opening member 42 is inserted into the window 51 to push the sealing plate 58 inward, further compressing the closing spring 510, so that the window 51 is converted from a closed state to an open state, thereby realizing the connection between the test box 4 and the environmental simulation box 5.

[0057] See also Figure 2 , Figure 4-Figure 5 , a signal transmission equipment testing device, a back wall of the test box 4 is provided with a return groove 41 around the top opening piece 42, a protective enclosure 6 is slidably penetrated in the return groove 41, a support spring 61 is connected between the inner end of the protective enclosure 6 and the inner end wall of the return groove 41, when the test box 4 is close to a group of environmental simulation boxes 5 facing it, the rear end of the protective enclosure 6 contacts the environmental simulation box 5 before the top opening piece 42, as the top opening piece 42 is inserted into the window 51, the protective enclosure 6 surrounds the window 51 and gradually compresses the support spring 61, and the setting of the protective enclosure 6 is used to realize the sealed docking between the test box 4 and the environmental simulation box 5 during the top opening process of the sealing plate 58;

[0058] A sealing gasket is fixed to the rear end of the protective enclosure 6 , and the sealing gasket is in contact with the environmental simulation box 5 to further strengthen the close contact with the environmental simulation box 5 .

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A signal transmission equipment testing device, comprising a base frame (1) and a column (2) arranged in the middle of the base frame (1), characterized in that: An extension arm (3) is rotatably mounted on the column (2), and a test box (4) is installed at the end of the extension arm (3), the test box (4) is used to install the signal transmission equipment to be tested, and the top of the column (2) is used to install the corresponding signal receiving equipment; A plurality of sets of environmental simulation boxes (5) are fixed at the height of the test box (4) on all sides, and the test box (4) is connected to the plurality of sets of environmental simulation boxes (5) in sequence.

2. A signal transmission equipment testing device according to claim 1, characterized in that: The environmental simulation chamber (5) is provided with six groups for simulating six different environments, namely a high temperature environment chamber (52), a low temperature environment chamber (53), a humidity environment chamber (54), a vibration environment chamber (55), an electromagnetic environment chamber (56), and an altitude environment chamber (57).

3. A signal transmission equipment testing device according to claim 1, characterized in that: A window (51) is provided on one side of the environmental simulation box (5) close to the column (2), and a sealing plate (58) is opened and closed in the window (51). The sealing plate (58) is used to block the window (51) when not in use. A push-up member (42) is fixed to the rear end of the test box (4) close to the environmental simulation box (5). When the test box (4) is docked with a group of environmental simulation boxes (5), the push-up member (42) is inserted into the window (51) to push open the sealing plate (58).

4. A signal transmission equipment testing device according to claim 3, characterized in that: A sliding seat (31) is fixed to the end of the extension arm (3), and the test box (4) is slidably arranged on the sliding seat (31).

5. A signal transmission equipment testing device according to claim 4, characterized in that: A plurality of sliding rods (59) are fixed to the inner wall of the environmental simulation box (5) surrounding the window (51), the sealing plate (58) is slidably mounted on the plurality of sliding rods (59), and a closing spring (510) is connected between the inner end of the sliding rod (59) and the sealing plate (58).

6. A signal transmission equipment testing device according to claim 5, characterized in that: The rear wall of the test box (4) is provided with a circular groove (41) surrounding the top opening (42), a protective enclosure (6) slidingly penetrates the circular groove (41), and a supporting spring (61) is connected between the inner end of the protective enclosure (6) and the inner end wall of the circular groove (41).

7. A signal transmission equipment testing device according to claim 4, characterized in that: A telescopic rod (7) is connected between the test box (4) and the slide seat (31).

8. A signal transmission equipment testing device according to claim 1, characterized in that: A ring gear (8) is fixed on the extension arm (3) around the column (2), and a motor (10) is fixed inside the base frame (1), and a driving gear (9) fixed on the output shaft of the motor (10) is meshed with the ring gear (8).

9. A signal transmission equipment testing device according to claim 6, characterized in that: A sealing pad is fixed to the rear end of the protective enclosure (6).

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