Shock-resistant electromagnetic protection structure for telemetering

Abstract

The utility model relates to the technical field of electronic equipment protection, and particularly discloses an anti-impact electromagnetic protection structure for telemetering, which comprises a strong-impact-resistant buffer layer, the strong-impact-resistant buffer layer comprises a steel main body structure and a hemispherical structure arranged at the top of the steel main body structure, the outer surface of the hemispherical structure is provided with a compression-resistant material, and the outer surface of the hemispherical structure is provided with an anti-impact layer. The strong electromagnetic field resisting layer is arranged in the strong impact resisting buffer layer and is composed of a three-stage closed shielding structure, a pouring sealant cavity is formed in the strong electromagnetic field resisting layer, and the interior of the pouring sealant cavity is subjected to pouring sealing through a three-stage pouring sealing process; according to the utility model, the problem of data acquisition loss caused by impact and electromagnetic influence of a telemetering system in a severe environment is solved, strong vibration can be effectively filtered and a magnetic field can be effectively shielded under the conditions of strong impact and strong electromagnetic field, elements and circuit parameters can be stabilized, a circuit can be ensured not to be damaged under high overload, and the service life of the telemetering system is prolonged. And the telemetering system is better in protectiveness and high in stability.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic equipment protection, and in particular relates to an anti-impact electromagnetic protection structure for remote measurement. Background Art

[0002] Fields such as missile launch and aerospace launch are receiving more and more attention. During missile launch and aerospace launch experiments, the telemetry system can monitor the status and performance of missiles and spacecraft in real time, including parameters such as temperature, pressure, and acceleration, which places high technical requirements on the telemetry system's ability to withstand strong impacts and strong electromagnetic fields.

[0003] During missile launch and aerospace launch tests, telemetry system equipment will be subject to strong external impact and strong electromagnetic field interference during data collection, and the sensors, data acquisition modules, circuit boards, power supplies and other modules installed in the telemetry system will experience functional degradation, inaccurate data collection, and even structural damage and data collection interruption. Currently, telemetry equipment is usually miniaturized, and it is difficult to design a structure that can withstand strong impact and strong electromagnetic interference. The electronic components in the telemetry equipment are also easily affected by strong impact and strong electromagnetic field capabilities. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-impact electromagnetic protection structure for remote measurement to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-shock electromagnetic protection structure for remote sensing, comprising:

[0007] A strong impact resistant buffer layer, the strong impact resistant buffer layer comprising a steel main structure and a hemispherical structure arranged on the top of the steel main structure, the outer surface of the hemispherical structure is provided with a compression-resistant material;

[0008] The strong electromagnetic field resistant layer is arranged inside the strong impact resistant buffer layer, and is composed of a three-level closed shielding structure. A potting glue cavity is arranged inside, and a three-level potting process is adopted to pot the inside of the potting glue cavity.

[0009] Preferably, the pressure-resistant material disposed on the outer surface of the hemispherical structure includes soft aluminum and an impact-resistant steel ring.

[0010] Preferably, a sensor, a data acquisition and storage cavity, a battery pack and a circuit board groove are provided inside the potting glue cavity.

[0011] Preferably, the steel main structure is used as a magnetic field shielding layer and is made of 30# steel material.

[0012] Preferably, the three - level closed - type shielding structure includes a copper layer, a permalloy material layer, and a pure iron layer arranged in sequence from the inside to the outside.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] (1) Compared with the traditional telemetry system, this structure adopts advanced materials and designs, making it have stronger resistance and shielding performance when facing strong impacts and strong electromagnetic interferences, avoiding problems such as signal loss and data interruption.

[0015] (2) It solves the problem of data acquisition loss in the telemetry system due to impacts and electromagnetic influences in harsh environments. It can effectively filter strong vibrations and shield magnetic fields in the case of strong impacts and strong electromagnetic fields, playing a role in stabilizing components and circuit parameters. It can ensure that the circuit is not damaged under high overload, providing better protection for the telemetry system and high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three - dimensional external structure view of the present utility model;

[0017] Figure 2 is a three - dimensional hemispherical structure view of the present utility model;

[0018] Figure 3 is a three - dimensional steel main structure view of the present utility model;

[0019] Figure 4 is a cross - sectional view of the internal structure of the present utility model;

[0020] In the figure: 1. Hemispherical structure; 101. Soft aluminum; 102. Impact - resistant steel ring; 2. Steel main structure; 3. Three - level closed - type shielding structure; 301. Copper layer; 302. Permalloy material layer; 303. Pure iron layer; 4. Potting glue cavity; 5. Sensor; 6. Acquisition and storage cavity; 7. Battery pack; 8. Circuit board groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1-4 As shown, an impact - resistant electromagnetic protection structure for telemetry includes:

[0024] A strong impact resistant buffer layer, the strong impact resistant buffer layer comprises a steel main structure 2 and a hemispherical structure 1 arranged on the top of the steel main structure 2, and the outer surface of the hemispherical structure 1 is provided with a compression-resistant material;

[0025] The strong electromagnetic field resistance layer is arranged inside the strong impact resistance buffer layer, and is composed of a three-level closed shielding structure 3, and a potting glue cavity 4 is arranged inside, and a three-level potting process is used for potting;

[0026] In the three-stage potting process, the first stage uses polyurethane to pot the sensor, battery pack and circuit board grooves in each section.

[0027] In the three-stage potting process, after the second stage potting is completed, the potting glue cavity 4 is mechanically vacuum potted.

[0028] In the three-level potting process, after the second level potting is completed, polyurethane is used to perform integrated potting on the anti-impact electromagnetic protection structure.

[0029] The compression-resistant material disposed on the outer surface of the hemispherical structure includes soft aluminum 101 and an impact-resistant steel ring 102 .

[0030] In an embodiment of the present solution, a sensor 5 , a data acquisition and storage cavity 6 , a battery pack 7 and a circuit board groove 8 are provided inside the potting cavity 4 .

[0031] In one embodiment of the present solution, the steel main structure 2 is used as a magnetic field shielding layer and is made of 30# steel material.

[0032] In one embodiment of the present solution, the three-level closed shielding structure 3 includes a copper layer 301 , a Permalloy material layer 302 and a pure iron layer 303 arranged in sequence from the inside to the outside.

[0033] As can be seen from the above, the sensor is installed on the inner plane of the steel main structure 2, the output signal line and power supply line of the sensor 5 are connected to the acquisition and storage board inside the acquisition and storage cavity 6 through the wiring hole, and the sensor 5 is fastened by screws. The acquisition and storage board and the battery pack 7 are fixed in the groove in the internal cavity by potting glue.

[0034] 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. An anti-shock electromagnetic protection structure for telemetry, characterized in that, include: A strong impact resistant buffer layer, the strong impact resistant buffer layer comprising a steel main structure (2) and a hemispherical structure (1) arranged on the top of the steel main structure (2), and the outer surface of the hemispherical structure (1) is provided with a pressure-resistant material; The strong electromagnetic field resistant layer is arranged inside the strong impact resistant buffer layer and is composed of a three-level closed shielding structure (3). A potting glue cavity (4) is arranged inside the potting glue cavity (4). A three-level potting process is used to pot the inside of the potting glue cavity (4).

2. The anti-shock electromagnetic protection structure for telemetry according to claim 1, characterized in that: The pressure-resistant material arranged on the outer surface of the hemispherical structure includes soft aluminum (101) and an impact-resistant steel ring (102).

3. The anti-shock electromagnetic protection structure for telemetry according to claim 1, characterized in that: The potting glue cavity (4) is provided with a sensor (5), a data collection and storage cavity (6), a battery pack (7) and a circuit board groove (8).

4. A shock-resistant electromagnetic protection structure for telemetry according to claim 1, characterized in that: The steel main structure (2) serves as a magnetic field shielding layer and is made of 30# steel material.

5. A shock-resistant electromagnetic protection structure for telemetry according to claim 1, characterized in that: The three-level closed shielding structure (3) comprises a red copper layer (301), a permalloy material layer (302) and a pure iron layer (303) which are arranged in sequence from the inside to the outside.

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