Sealing device for rapid marking returner

Abstract

The invention relates to a sealing device for a rapid marking returner, which comprises a box body, a box cover, a sealing rubber ring, a central processing unit (CPU) single board, a locking screw assembly, a microwave phase locking module, a first electric connector, a second electric connector and a third electric connector, and is characterized in that the box cover is fixed on the box body and is fixed through the locking screw assembly; the CPU single board is connected with the box cover; the sealing rubber ring is placed in the box cover; the microwave phase locking module is fixed at the bottom of the box body; and the first electric connector, the second electric connector and the third electric connector are all connected with the box body. The sealing device for the rapid positioning returner is used for transmitting a radio beacon signal to be received and processed by a certain satellite positioning system after the returner falls to the ground, especially when the returner is on the sea or outside a preset searching range, the position of the returner is determined for searching and rescuing, and therefore the searching range of the returner is expanded, and the service life of the returner is prolonged. And effective support is provided for rapid and accurate search and rescue of the returner.

Description

Technical Field

[0001] The present invention relates to the technical field of space application equipment, and more specifically, to a sealing device for a rapid positioning returner. Background Art

[0002] As a landing marking method, the international rescue beacon emits a 406MHz international rescue beacon signal that complies with international standards. After the returner lands, especially when it is at sea or outside the predetermined search range, it is necessary to quickly and accurately find the returner to shorten the search and rescue time. However, there is no device in the prior art that can achieve this purpose. Therefore, a sealing device for quickly marking the returner is designed. This device emits a radio beacon signal for a satellite positioning system to receive and process, determine its position, and conduct search and rescue, thereby greatly expanding the search range of the returner and ensuring that the returner is quickly found. Summary of the invention

[0003] The present application embodiment provides a sealing device for a fast position returner. In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important components or describe the scope of protection of these embodiments. Its only purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

[0004] The embodiment of the present application provides a sealing device for a fast positioning returner, the device comprising: a box body, a box cover, a sealing rubber ring, a CPU single board, a locking screw assembly, a microwave phase locking module, a first electrical connector, a second electrical connector, and a third electrical connector, wherein:

[0005] The box cover is fixed on the box body and is fixed by the locking screw assembly;

[0006] The CPU board is connected to the box cover;

[0007] The sealing rubber ring is placed inside the box cover;

[0008] The microwave phase locking module is fixed to the bottom of the box body;

[0009] The first electrical connector, the second electrical connector, and the third electrical connector are all connected to the box body.

[0010] According to a preferred embodiment, an axial rectangular sealing groove is provided on the box cover, the sealing rubber ring is placed in the axial rectangular sealing groove, and waterproof sealing is performed by the sealing rubber ring.

[0011] According to a preferred embodiment, the inner diameter of the rubber sealing ring ranges from 183.61 mm to 186.39 mm, and the cross-sectional diameter of the rubber sealing ring ranges from 3.45 mm to 3.65 mm.

[0012] According to a preferred embodiment, the microwave phase-locked module includes a crystal oscillator, a power amplifier and a phase-locked phase modulation frequency source. The integrated microwave phase-locked module design can shorten the stabilization time of the whole machine and improve the positioning accuracy.

[0013] According to a preferred embodiment, the peripheral device includes a returner, and the sealing device is connected to the returner through the first electrical connector, the second electrical connector, and the third electrical connector.

[0014] According to a preferred embodiment, the CPU board is detachably connected to the box cover.

[0015] According to a preferred embodiment, the microwave phase locking module is detachably connected to the bottom of the box body.

[0016] The technical solution provided by the embodiments of the present application may have the following beneficial effects:

[0017] In an embodiment of the present application, the sealing device for a rapid positioning returner comprises: a box body, a box cover, a sealing rubber ring, a CPU board, a locking screw assembly, a microwave phase-locking module, a first electrical connector, a second electrical connector, and a third electrical connector, wherein: the box cover is fixed on the box body and fixed by the locking screw assembly; the CPU board is connected to the box cover; the sealing rubber ring is placed in the box cover; the microwave phase-locking module is fixed to the bottom of the box body; the first electrical connector, the second electrical connector, and the third electrical connector are all connected to the box body. The sealing device for a rapid positioning returner described in the present application can transmit a radio beacon signal for a satellite positioning system to receive and process after the returner lands, especially at sea or outside a predetermined search range, so as to achieve the purpose of quickly and accurately finding the returner, and can reduce the search and rescue time and scope for search and rescue; the sealing device can be successfully applied to the search and rescue of the returner, ensure the safety of astronauts, and provide effective support for the rapid and accurate search and rescue of the returner.

[0018] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0020] Figure 1It is a schematic diagram of a left-side cutaway structure of a sealing device for a rapid positioning returner provided in an embodiment of the present application;

[0021] Figure 2 This is a schematic diagram of the connection between a sealing device and a returner of a sealing device for a rapid positioning returner provided in an embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the main structure of a box cover of a sealing device for a rapid positioning returner provided in an embodiment of the present application;

[0023] Figure 4 It is a schematic diagram of the sealing groove structure of a box cover of a sealing device for a rapid positioning returner provided in an embodiment of the present application.

[0024] Figure markings: 1-box body; 2-sealing rubber ring; 3-box cover; 4-CPU single board; 5-locking screw assembly; 6-microwave phase-locking module; 7-first electrical connector; 8-second electrical connector; 9-third electrical connector; 10-rectangular sealing groove; b-rectangular sealing groove width; h-rectangular sealing groove depth; r1-rectangular sealing groove bottom corner radius; r2-rectangular sealing groove edge corner radius; d8-rectangular sealing groove inner diameter. DETAILED DESCRIPTION

[0025] The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them.

[0026] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are only examples of systems and methods consistent with some aspects of the present invention as detailed in the attached claims.

[0028] In the description of the present invention, it should be understood that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previously associated objects are in an "or" relationship.

[0029] The following will be combined with the attached Figure 1 -Attached Figure 4 , a sealing device for a rapid positioning returner provided in an embodiment of the present application is introduced in detail.

[0030] See also Figure 1 , is a schematic diagram of a left-side cutaway structure of a sealing device for a fast positioning returner provided in an embodiment of the present application. Figure 1 As shown, a sealing device for a fast positioning returner described in an embodiment of the present application may include: a box body (1), a box cover (3), a sealing rubber ring (2), a CPU single board (4), a locking screw assembly (5), a microwave phase locking module (6), a first electrical connector (1), a second electrical connector (8), and a third electrical connector (9), wherein:

[0031] The box cover (3) is fixed on the box body (1) and is fixed by a locking screw assembly (5);

[0032] The CPU board (4) is connected to the box cover (3);

[0033] The sealing rubber ring (2) is placed inside the box cover (3);

[0034] The microwave phase-locking module (6) is fixed at the bottom of the box body (1);

[0035] The first electrical connector (7), the second electrical connector (8) and the third electrical connector (9) are all connected to the box body (1).

[0036] Specifically, in the embodiment of the present application, the first electrical connector (7), the second electrical connector (8), and the third electrical connector (9) are tightly attached to the surface of the box body (1) and fastened with screws; the peripheral device includes a returner, and the sealing device is connected to the returner of the peripheral device through the first electrical connector (7), the second electrical connector (8), and the third electrical connector (9), wherein the first electrical connector (7) is responsible for the high-frequency position signal output, the second electrical connector (8) is responsible for the primary power distribution input and return line, and the third electrical connector (9) is responsible for the communication signal input and self-test; the locking The screw assembly (5) comprises a screw, a washer and a nut; an axial rectangular sealing groove is arranged on the box cover (3) of the sealing device, and a sealing rubber ring (2) is placed in the axial rectangular sealing groove. The sealing device is waterproofed by the sealing rubber ring (2), wherein the sealing rubber ring (2) is in accordance with the standard GB / T3452.1-2005, the inner diameter d1 of the axial sealing rubber ring (2) is 185 mm ± 1.39 mm, and the cross-sectional diameter d2 of the axial sealing rubber ring (2) is 3.55 mm ± 0.10 mm; in the embodiment of the present application, as Figure 4 As shown, according to the size and tolerance table of the axial sealing groove, the width of the axial sealing groove is b=5.0 mm, the depth of the axial sealing groove is h=2.75 mm, the bottom fillet radius of the axial sealing groove is r1=0.6 mm, the edge fillet radius of the axial sealing groove is r2=0.21 m, and the inner diameter of the axial sealing groove is d8=185.5 mm; the microwave phase-locking module (6) comprises a crystal oscillator, a power amplifier and a phase-locking frequency source, and the integrated microwave phase-locking module design can reduce the volume of the whole machine, reduce the power consumption of the whole machine, shorten the stabilization time of the whole machine, and improve the positioning accuracy; the microwave phase-locking module (6) is detachably connected to the bottom of the box body (1), and the microwave phase-locking module (6) and the box body (1) are connected by screws; the CPU single board (4) is detachably connected to the box cover (3), and the CPU single board (4) and the box cover (3) are connected by screws; a fixing ear is connected to the box body (1), and a stable support is provided by the fixing ear.

[0037] A sealing device for quickly marking a returner proposed in an embodiment of the present application can transmit a radio beacon signal after the returner lands, especially when at sea or outside a predetermined search range, for a satellite positioning system to receive and process, thereby achieving the purpose of quickly and accurately finding the returner, and can shorten the search and rescue time and scope; the sealing device can be successfully applied to the search and rescue of the returner, ensure the safety of astronauts, and provide effective support for the rapid and accurate search and rescue of the returner.

[0038] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0039] The above disclosure is only the preferred embodiment of the present application, which certainly cannot be used to limit the scope of rights of the present application. Therefore, equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A sealing device for a rapid positioning returner, characterized in that: include: Box body, box cover, sealing rubber ring, CPU single board, locking screw assembly, microwave phase locking module, first electrical connector, second electrical connector, third electrical connector, wherein: The box cover is fixed on the box body and is fixed by the locking screw assembly; The CPU board is connected to the box cover; The sealing rubber ring is placed inside the box cover; The microwave phase locking module is fixed to the bottom of the box body; The first electrical connector, the second electrical connector, and the third electrical connector are all connected to the box body.

2. The sealing device for a rapid positioning returner according to claim 1, characterized in that: The box cover is provided with an axial rectangular sealing groove, the sealing rubber ring is placed in the axial rectangular sealing groove, and waterproof sealing is performed by the sealing rubber ring.

3. The sealing device for a rapid positioning returner according to claim 2, characterized in that: The inner diameter of the rubber sealing ring ranges from 183.61 mm to 186.39 mm, and the cross-sectional diameter of the rubber sealing ring ranges from 3.45 mm to 3.65 mm.

4. The sealing device for a rapid positioning returner according to claim 1, characterized in that: The microwave phase-locked module includes a crystal oscillator, a power amplifier and a phase-locked phase modulation frequency source. The integrated microwave phase-locked module design can shorten the stabilization time of the whole machine and improve the positioning accuracy.

5. The sealing device for a rapid positioning returner according to claim 1, characterized in that: The peripheral device includes a returner, and the sealing device is connected to the returner through the first electrical connector, the second electrical connector, and the third electrical connector.

6. The sealing device for a rapid positioning returner according to claim 1, characterized in that: The CPU single board is detachably connected to the box cover.

7. The sealing device for a rapid positioning returner according to claim 1, characterized in that: The microwave phase locking module is detachably connected to the bottom of the box body.

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