CN118571272A - Internal box and data recorder - Google Patents
Internal box and data recorder Download PDFInfo
- Publication number
- CN118571272A CN118571272A CN202410721697.5A CN202410721697A CN118571272A CN 118571272 A CN118571272 A CN 118571272A CN 202410721697 A CN202410721697 A CN 202410721697A CN 118571272 A CN118571272 A CN 118571272A
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- Prior art keywords
- box
- opening
- inner box
- box body
- cover
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000565 sealant Substances 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 7
- 239000004590 silicone sealant Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The invention provides an internal box and a data recorder, wherein the internal box comprises a box body and an internal box, a first containing cavity is arranged in the box body, and a first opening communicated with the first containing cavity is formed in the box body. The inner box comprises a box cover, the peripheral edge of the box cover is matched with the first opening, a second opening is formed in the box cover, a protruding portion which is inserted into the first containing cavity is arranged on the box cover, and a storage cavity communicated with the second opening is arranged in the protruding portion. The data recorder includes a housing, a protected device, an inner box, a memory module, a circuit board, and a transmission line. The internal box and the data recorder have good stability, can improve the protection performance on the storage module, are convenient for operators to improve the efficiency of related work, reduce the labor intensity and can meet the requirement of mass production.
Description
Technical Field
The invention relates to the field of data recorder design, in particular to an internal box and a data recorder.
Background
In the traffic fields of aircrafts, automobiles, railways and the like, data recorders for recording driving data are arranged in traffic equipment, and the stored data are extremely important and are the basis for judging the accident cause when the traffic equipment has accidents. The storage module of the data recorder is usually arranged in the inner box, and the inner box is mainly used for protecting the storage module, so that the inner box with the protection effects of water resistance, high temperature resistance, falling resistance, earthquake resistance and the like is designed, and the inner box is extremely important for evidence collection work when abnormal accidents occur.
Disclosure of Invention
In order to realize the protection effects of water resistance, high temperature protection, falling resistance, earthquake resistance and the like of a storage module placed in a data recorder, the storage module is prevented from being damaged by high temperature or mechanically damaged during an abnormal accident, so that normal evidence collecting work during the accident is ensured.
The technical scheme for realizing the aim of the invention is as follows:
The embodiment of the invention discloses an internal box, which comprises a box body and an internal box, wherein a first containing cavity is arranged in the box body, and a first opening communicated with the first containing cavity is formed in the box body.
The inner box comprises a box cover, the peripheral edge of the box cover is matched with the first opening, a second opening is formed in the box cover, a protruding portion which is inserted into the first containing cavity is arranged on the box cover, and a storage cavity communicated with the second opening is arranged in the protruding portion.
Further, a hollow layer is formed between the inner wall of the box body and the outer wall of the protruding part, and phase-change liquid is filled in the hollow layer.
Further, the box cover is sealed and fixed with the first opening through sealant.
Further, sealant is filled in the storage cavity in a sealing mode, and the sealant is coated outside the protected device in the storage cavity.
Furthermore, the sealant is high-temperature-resistant and high-pressure-resistant sealant.
Preferably, the high temperature and high pressure resistant sealing glue is a silica gel sealing curing glue.
Further, an annular protrusion is arranged on the box cover and located on the periphery of the protruding portion, and the annular protrusion is matched with the annular groove on the first opening.
Further, the box body is a plastic box with the melting point smaller than 150 ℃.
Further, the inner box is a plastic box, and the melting point of the inner box is larger than that of the box body.
Further, when the data recorder is subjected to a high Wen Huoshao environment, the box body is melted when the environment temperature is higher than 150 ℃, so that the pressure of the phase-change liquid after high-temperature gasification is released, the environment temperature is reduced, and the protected devices in the inner box are protected.
The embodiment of the invention also provides a data recorder, which comprises a shell, a protected device and the inner box in the embodiment, wherein the inner box is positioned in the shell.
The device to be protected is a storage module, the storage module is arranged on a circuit board, a transmission line which is communicated with the storage module is arranged on the circuit board, the transmission line is partially positioned in the storage cavity, and the transmission line passes through an outlet on the shell and is connected with external equipment.
Further, the data logger also includes a thermal insulation pad located between the inner box and the inner housing wall.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least: according to the inner box, the inner box is formed by arranging the protruding part which is integrally formed with the box cover on the box cover, the storage cavity is arranged in the protruding part, the protected device is placed in the storage cavity and is sealed, meanwhile, the inner box is arranged in the box body, so that the structural stability of the inner box and the protection performance of the protected device can be improved, the production time is reduced, meanwhile, the efficiency of related work is improved by operators conveniently, the labor intensity is reduced, and the requirement of mass production is met.
Furthermore, through filling the phase change liquid in the hollow layer that forms between interior box and box body, can further improve the stability of interior box, simultaneously, can carry out the protection of deep level to protected device when receiving high temperature or striking, improve the protection security.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an inner box according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an inner box according to an embodiment of the present invention;
FIG. 3 is a perspective view of a case according to an embodiment of the present invention;
FIG. 4 is a perspective view of an inner case according to an embodiment of the present invention;
FIG. 5 is a schematic view of the assembly of an inner box according to an embodiment of the present invention;
wherein, 1, the box body; 2. an inner case; 3. a storage cavity; 4. a protected device; 5. a hollow layer; 6. a circuit board; 7. a transmission line; 11. a first cavity; 12. a first opening; 121. an annular groove; 21. a box cover; 211. a second opening; 212. an annular protrusion; 22. a boss.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the invention discloses an inner box, which is shown in fig. 1,2 and 3, wherein the inner box comprises a box body 1 and an inner box 2, a first containing cavity 11 is arranged in the box body 1, and a first opening 12 communicated with the first containing cavity 11 is formed in the box body 1.
Referring to fig. 1,2 and 4, the inner case 2 includes a case cover 21, an outer peripheral edge of the case cover 21 is matched with the first opening 12, a second opening 211 is formed on the case cover 21, a protruding portion 22 inserted into the first accommodating cavity 11 is formed on the case cover 21, and a storage cavity 3 communicated with the second opening 211 is formed in the protruding portion 22.
Further, as shown in fig. 2, a hollow layer 5 is formed between the inner wall of the case 1 and the outer wall of the protruding portion 22, and the hollow layer 5 is filled with a phase-change liquid, so that on one hand, the phase-change liquid can improve the structural stability of the inner case when the inner case is in severe vibration, and on the other hand, when the inner case is in a high-temperature environment, the phase-change liquid can absorb heat to thermally protect the protected device 4 in the inner case, and even when the case is damaged by heating, the phase-change liquid flows out, so that the pressure in the first accommodating cavity 11 is prevented from being increased due to high temperature, and mechanical damage or high-temperature damage to the protected device 4 can be avoided. Meanwhile, under the low-temperature condition, the phase-change liquid can also prevent the situation that the protected device 4 cannot work normally under the low temperature due to the loss of heat in the storage cavity 3, so that the working stability of the protected device is improved.
Further, in order to improve the sealability of the inner case, after the cover 21 is covered on the first opening 12, the contact surface between the cover 21 and the first opening 12 is sealed and fixed by a sealant.
Further, in order to further improve the stability of the protected device 4 in the storage cavity 3, the protected device 4 is prevented from being separated from the storage cavity, meanwhile, moisture is prevented from entering the storage cavity 3 to improve the waterproof performance of the protected device, damage of the protected device 4 by the moisture is avoided, and after the protected device 4 is placed in the storage cavity 3, sealing is performed by sealant, so that the sealant is wrapped outside the protected device 4 in the storage cavity 3.
Furthermore, the sealant is high-temperature-resistant and high-pressure-resistant sealant.
Preferably, the high temperature and high pressure resistant sealing glue is a silica gel sealing curing glue.
Further, as shown in fig. 3 and 4, an annular protrusion 212 is provided on the cover 21 at the outer circumference of the protrusion 22, and the annular protrusion 212 is engaged with the annular groove 121 of the first opening 12.
Further, the box body 1 is a plastic box with a melting point smaller than 150 ℃, the material of the box body 1 is selected to be a plastic box, the box body 1 can be melted in a high-temperature environment, so that liquid or air in the hollow layer 5 between the box body 1 and the inner box 2 overflows, and high-temperature damage to the protected device 4 in the inner box 2 is avoided.
Further, the inner case 2 is a plastic case, and the melting point of the inner case 2 is greater than that of the case body 1, and the material of the inner case 2 is selected to further protect the protected device 4 in the inner case 2, so that the inner case 2 is also melted when the case body 1 is melted at a high temperature, and the protected device 4 is damaged.
The embodiment of the invention also provides a data recorder comprising a housing, a protected device 4 and an inner box as described in the previous embodiment, said inner box being located within said housing.
The protected device 4 is a storage module, the storage module is arranged on the circuit board 6, a transmission line 7 which is communicated with the storage module is arranged on the circuit board 6, the transmission line 7 is partially positioned in the storage cavity 3, and the transmission line 7 passes through an outlet on the shell and is connected with external equipment.
Further, the data logger also includes a thermal insulation pad located between the inner box and the inner housing wall.
In the embodiment of the present invention, the housing is only used to accommodate the internal box, so the structure and materials of the housing are not limited, and when the data recorder is assembled, as shown in fig. 5, firstly, the memory module and the transmission line 7 are connected to the circuit board 6, so that the data transmission between the memory module and the transmission line 7 is ensured; secondly, the storage module and part of the transmission line 7 are inserted into the storage cavity 3 in the bulge 22 of the inner box 2, encapsulated by high temperature and high pressure resistant sealing glue, and the storage module and part of the transmission line 7 are sealed in the storage cavity 3; then, the bulge 22 of the inner box 2 is inserted into the first containing cavity 11 filled with the phase-change liquid, the box cover 21 is contacted and matched with the first opening 12, and the sealing glue is used for fixing; finally, the internal box is placed in the housing, and the transmission line 7 is led out from the lead hole on the housing and then connected with external equipment.
When in use, if when the temperature born by the recorder is transferred to the inner box 2 in the abnormal high Wen Huoshao environment, the corner position of the inner box 2 is firstly melted, so that the phase-change liquid leaks, and at the moment, the high-temperature damage and mechanical damage to the storage module caused by the temperature increase of the inner box due to the pressure increase of the phase-change liquid caused by the sealing of the inner box 2 in the high-temperature environment can be avoided.
The embodiment of the invention realizes the following technical effects: according to the inner box, the inner box is formed by arranging the protruding part which is integrally formed with the box cover on the box cover, the storage cavity is arranged in the protruding part, the protected device is placed in the storage cavity and is sealed, meanwhile, the inner box is arranged in the box body, so that the structural stability of the inner box and the protection performance of the protected device can be improved, the production time is reduced, meanwhile, the efficiency of related work is improved by operators conveniently, the labor intensity is reduced, and the requirement of mass production is met.
Furthermore, through filling the phase change liquid in the hollow layer that forms between interior box and box body, can further improve the stability of interior box, simultaneously, can carry out the protection of deep level to protected device when receiving high temperature or striking, improve the protection security.
In addition, plastic with a melting point lower than 150 ℃ is adopted as a box body, and plastic with a melting point higher than that of a box body material is adopted as an inner box, so that the data recorder can protect a storage module in the inner box by melting the box body to release pressure and heat of the phase-change liquid in a high-temperature environment.
It will be apparent to those skilled in the art that the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the invention, and that various modifications and variations can be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An internal box is characterized by comprising a box body (1) and an internal box (2), wherein a first containing cavity (11) is arranged in the box body (1), and a first opening (12) communicated with the first containing cavity (11) is formed in the box body (1);
The inner box (2) comprises a box cover (21), the peripheral edge of the box cover (21) is matched with the first opening (12), a second opening (211) is formed in the box cover (21), a protruding portion (22) which is inserted into the first containing cavity (11) is arranged on the box cover (21), and a storage cavity (3) which is communicated with the second opening (211) is arranged in the protruding portion (22).
2. An inner cartridge according to claim 1, characterized in that a hollow layer (5) is formed between the inner wall of the cartridge body (1) and the outer wall of the protruding portion (22), the hollow layer (5) being filled with a phase change liquid.
3. An inner box according to claim 1, characterized in that the box cover (21) is sealed and fixed with the first opening (12) via a sealing glue.
4. An inner box according to claim 1, characterized in that the storage cavity (3) is filled with a sealant, which is wrapped outside the protected device (4) in the storage cavity (3).
5. An inner box according to claim 3 or 4, characterized in that: the sealant is high-temperature-resistant and high-pressure-resistant sealant.
6. The inner box of claim 5, wherein the high temperature and pressure resistant sealant is a silicone sealant cure.
7. An inner box according to claim 1, characterized in that an annular protrusion (212) is provided on the box cover (21) and on the outer periphery of the protrusion (22), said annular protrusion (212) cooperating with an annular recess (121) on the first opening (12).
8. An inner box according to claim 1, characterized in that the box body (1) is a plastic box with a melting point of less than 150 ℃.
9. An inner box according to claim 1, characterized in that the inner box (2) is a plastic box, the melting point of the inner box (2) being greater than the melting point of the box body (1).
10. A data logger, characterized by comprising a housing, a protected device (4) and an inner case as claimed in any one of claims 1 to 9, said inner case being located within said housing;
The device to be protected (4) is a storage module, the storage module is arranged on a circuit board (6), a transmission line (7) communicated with the storage module is arranged on the circuit board (6), the transmission line (7) is partially positioned in the storage cavity (3), and the transmission line (7) penetrates through an outlet on the shell to be connected with external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410721697.5A CN118571272A (en) | 2024-06-05 | 2024-06-05 | Internal box and data recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410721697.5A CN118571272A (en) | 2024-06-05 | 2024-06-05 | Internal box and data recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118571272A true CN118571272A (en) | 2024-08-30 |
Family
ID=92476160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410721697.5A Pending CN118571272A (en) | 2024-06-05 | 2024-06-05 | Internal box and data recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118571272A (en) |
-
2024
- 2024-06-05 CN CN202410721697.5A patent/CN118571272A/en active Pending
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