Protective storage device
By sealing welding on the outer shell of the protective storage device and using sealing glue to cover the gaps of the FPC, the problem of insufficient compressive and waterproofing performance of the protective storage device in the prior art is solved, and good waterproofing and compressive performance are achieved.
Patent Information
- Application Number
- CN202323534441.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The existing protective storage devices have shortcomings in compressive and waterproof properties. The waterproof materials are prone to aging, and the bonding strength is average and the seal cannot be formed.
A protective storage device is designed, using an outer shell to form a sealing cavity through sealing welding, and using sealant to cover the gap between the FPCs at the outer communication window to enhance physical sealing.
It achieves good waterproofing and compressive resistance, and the connection between the bottom shell and the cover shell is stable, which can have both waterproof and compressive resistance.
Smart Images

Figure CN222619412U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of data storage devices, in particular to a protective storage device. Background Art
[0002] At present, data protection storage devices have become one of the most important components in automobile driving recorders. They must have a series of high-strength properties such as waterproof, fireproof, pressure-resistant, and shock-resistant, so that they can fully protect the data recorded on the vehicle in abnormal accidents, so as to facilitate the subsequent data analysis and evidence collection work.
[0003] In the prior art, some designed data protection storage devices already have certain waterproof and pressure-resistant capabilities. For example, better waterproof performance is achieved by injecting glue into the shell and coating nano waterproof materials on the storage device, and the shell is mortised with high-strength stainless steel shells to enhance the shell's pressure resistance. However, the waterproof material is prone to aging, and the mortise and tenon bonding strength is general and cannot form a seal. Similar products still have certain deficiencies in terms of pressure resistance and waterproofness.
[0004] Therefore, it is necessary to improve the existing protective storage device so that the protective storage device has better pressure resistance and waterproof performance. Utility Model Content
[0005] The utility model aims to provide a protective storage device to solve the problem that the existing protective storage device has poor pressure resistance and waterproof performance.
[0006] In order to solve the above technical problems, the utility model provides a protective storage device, including an outer shell and an assembled circuit board, and also including a sealant. The outer shell includes a bottom shell and a cover shell, the assembled circuit board includes a PCB board, a storage chip and an FPC, the storage chip is arranged on the PCB board, the FPC is connected to the PCB board, the bottom shell and the cover shell are sealed and welded and enclosed to form an outer sealed cavity, an outer communication window is opened on the outer shell, the PCB board and the storage chip are arranged in the outer sealed cavity, the FPC partially passes through the outer communication window, and the sealant covers the gap between the outer communication window and the FPC.
[0007] Optionally, the FPC is disposed in a partially bent manner within the outer sealing cavity.
[0008] Optionally, it also includes rivet studs for fixing the protective storage device, the rivet studs are arranged on the bottom shell, and the four sides of the cover shell are welded to the four sides of the bottom shell.
[0009] Optionally, it also includes a middle shell located in the outer sealed cavity, the middle shell includes a middle side plate, a middle sealing cylinder and a middle sealing plate, the middle side plate and the middle sealing plate are respectively covered on both ends of the middle sealing cylinder, and the middle side plate and the middle sealing plate are respectively welded to the middle sealing cylinder, the middle side plate, the middle sealing plate and the middle sealing cylinder enclose the middle sealed cavity, a middle communication window is opened on the middle shell, the PCB board and the storage chip are arranged in the middle sealed cavity, and the FPC part is arranged to pass through the middle communication window.
[0010] Optionally, it also includes an inner shell located in the middle sealed cavity, the inner shell includes an inner side plate, an inner sealing cylinder and an inner sealing plate, the inner side plate and the inner sealing plate are respectively covered on both ends of the inner sealing cylinder, and the inner side plate and the inner sealing plate are respectively welded to the inner sealing cylinder, the inner side plate, the inner sealing plate and the inner sealing cylinder enclose the inner sealed cavity, an inner communication window is opened on the inner shell, the PCB board and the storage chip are arranged in the inner sealed cavity, and the FPC part is arranged to pass through the inner communication window.
[0011] Optionally, the inner sealed cavity is filled with a layer of high temperature resistant and waterproof material at the inner communication window to seal the FPC and the inner communication window.
[0012] Optionally, the inner sealing plate and the middle sealing plate are integrally arranged, and the inner communication window is connected to the middle communication window.
[0013] Optionally, the middle-layer communication window is a countersunk hole.
[0014] Optionally, the inner sealing cavity is also filled with a thermally conductive silicone layer.
[0015] Optionally, the middle sealed cavity is filled with a first heat insulation layer coated on the inner shell.
[0016] The utility model provides a protective storage device, which has the following beneficial effects:
[0017] Since the bottom shell and the cover shell are seal-welded and enclosed to form an outer sealed cavity, an outer communication window is provided on the outer shell, and the sealant covers the gap between the outer communication window and the FPC. Therefore, the bottom shell and the cover shell can form a good physical seal, so that the protective storage device has better waterproof performance. Since the bottom shell and the cover shell are seal-welded, the connection between the bottom shell and the cover shell is relatively stable, so that it can have both good waterproof performance and pressure resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is an exploded schematic diagram of the protective storage device in the embodiment of the utility model;
[0019] Figure 2 is a cross-sectional view of a protective storage device in an embodiment of the utility model;
[0020] Figure 3 It is a schematic diagram of the structure of the protective storage device in the embodiment of the utility model;
[0021] Figure 4 It is an exploded schematic diagram of the outer shell of the protective storage device in the embodiment of the utility model;
[0022] Figure 5 It is an exploded schematic diagram of the middle shell of the protective village roughness device in the embodiment of the utility model;
[0023] Figure 6 It is a schematic diagram of the structure of the assembled circuit board in the embodiment of the utility model.
[0024] Description of reference numerals:
[0025] 100-outer shell; 110-bottom shell; 111-rivet column; 120-cover shell; 130-assembled circuit board; 131-PCB board; 132-storage chip; 133-FPC; 140-sealant; 150-outer sealing cavity; 160-outer communication window;
[0026] 200-middle shell; 210-middle side plate; 220-middle sealing cylinder; 230-middle sealing plate; 240-middle sealing cavity; 250-middle communication window;
[0027] 300-inner shell; 310-inner side plate; 320-inner sealing cylinder; 340-inner sealing cavity;
[0028] 400-high temperature resistant waterproof material layer;
[0029] 500-thermal conductive silicone layer;
[0030] 600-first insulation layer;
[0031] 700 - Second insulation layer. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.
[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0035] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0036] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0038] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , Figure 1 is an exploded schematic diagram of the protective storage device in the embodiment of the utility model, Figure 2 is a cross-sectional view of a protective storage device in an embodiment of the utility model, Figure 3 is a schematic diagram of the structure of the protective storage device in the embodiment of the utility model, Figure 4 1 is an exploded schematic diagram of an outer shell 100 of a protective storage device in an embodiment of the present utility model. Figure 5 2 is an exploded schematic diagram of the middle shell 200 of the protective device in the embodiment of the utility model. Figure 6 1 is a schematic diagram of the structure of the assembled circuit board 130 in the embodiment of the utility model. The embodiment provides a protective storage device, including an outer shell 100, an assembled circuit board 130 and a sealant 140. The outer shell 100 includes a bottom shell 110 and a cover shell 120. The assembled circuit board 130 includes a PCB board 131, a storage chip 132 and an FPC 133. The storage chip 132 is arranged on the PCB board 131, and the FPC 133 is connected to the PCB board 131. The bottom shell 110 and the cover shell 120 are sealed and welded and enclosed to form an outer sealed cavity 150. An outer communication window 160 is opened on the outer shell 100. The PCB board 131 and the storage chip 132 are arranged in the outer sealed cavity 150. The FPC 133 partially passes through the outer communication window 160, and the sealant 140 covers the gap between the outer communication window 160 and the FPC 133.
[0039] Since the bottom shell 110 and the cover shell 120 are sealed and welded to form an outer sealed cavity 150, an outer communication window 160 is provided on the outer shell 100, and the sealant 140 covers the gap between the outer communication window 160 and the FPC 133. Therefore, the bottom shell 110 and the cover shell 120 can form a good physical seal, so that the protective storage device has better waterproof performance. Since the bottom shell 110 and the cover shell 120 are sealed and welded, the connection between the bottom shell 110 and the cover shell 120 is relatively stable, so that it can have both good waterproof performance and pressure resistance.
[0040] Preferably, the portion of the FPC 133 located in the outer sealed cavity 150 is bent, so that the pressure resistance and fire resistance can be further improved, and problems such as disconnection in the middle will not occur.
[0041] refer to Figure 4 , and further includes a rivet column 111 for fixing the protective storage device, the rivet column 111 is arranged on the bottom shell 110, and the four sides of the cover shell 120 are welded to the four sides of the bottom shell 110. In this way, the connection strength between the bottom shell 110 and the cover shell 120 of the protective storage device can be further improved.
[0042] The outer communication window 160 is preferably a countersunk hole, so that a step surface can be formed at the outer communication window 160, which is convenient for filling the sealant 140 and improves the strength of the connection between the sealant 140 and the outer shell 100.
[0043] refer to Figure 1 , Figure 2 and Figure 5 The protective storage device also includes a middle shell 200 located in the outer sealed cavity 150, the middle shell 200 includes a middle side plate 210, a middle sealing cylinder 220 and a middle sealing plate 230, the middle side plate 210 and the middle sealing plate 230 are respectively covered at both ends of the middle sealing cylinder 220, and the middle side plate 210 and the middle sealing plate 230 are respectively welded to the middle sealing cylinder 220, the middle side plate 210, the middle sealing plate 230 and the middle sealing cylinder 220 are enclosed to form the middle sealed cavity 240, a middle communication window 250 is opened on the middle shell 200, the PCB board 131 and the storage chip 132 are arranged in the middle sealed cavity 240, and the FPC133 is partially arranged to pass through the middle communication window 250.
[0044] The middle shell 200 is located in the outer sealing cavity 150, and the middle side plates 210 and the middle sealing plates 230 are respectively covered at both ends of the middle sealing cylinder 220, and the middle side plates 210 and the middle sealing plates 230 are respectively welded to the middle sealing cylinder 220, and the middle side plates 210, the middle sealing plates 230 and the middle sealing cylinder 220 enclose the middle sealing cavity 240. Therefore, the middle side plates 210, the middle sealing plates 230 and the middle sealing cylinder 220 are enclosed to form the middle sealing cavity 240. The cylinder 220 can form a good physical seal, so that the protective storage device has better waterproof performance. Since the middle side plate 210 and the middle sealing plate 230 are respectively welded to the middle sealing cylinder 220, the connection between the middle side plate 210 and the middle sealing plate 230 and the middle sealing cylinder 220 is relatively stable, so that it can have good waterproof performance and pressure resistance. The outer shell 100 and the middle shell 200 form a two-level nested structure, so the waterproof and pressure resistance performance are better.
[0045] refer to Figure 1 and Figure 2The protective storage device also includes an inner shell 300 located in the middle sealed cavity 240, the inner shell 300 includes an inner side plate 310, an inner sealing cylinder 320 and an inner sealing plate, the inner side plate 310 and the inner sealing plate are respectively covered at both ends of the inner sealing cylinder 320, and the inner side plate 310 and the inner sealing plate are respectively welded to the inner sealing cylinder 320, the inner side plate 310, the inner sealing plate and the inner sealing cylinder 320 enclose the inner sealed cavity 340, an inner communication window is opened on the inner shell 300, the PCB board 131 and the storage chip 132 are arranged in the inner sealed cavity 340, and the FPC133 partially passes through the inner communication window.
[0046] The inner shell 300 is located in the middle sealing cavity 240, and the inner shell 300 includes an inner side plate 310, an inner sealing cylinder 320 and an inner sealing plate. The inner side plate 310 and the inner sealing plate are respectively covered at both ends of the inner sealing cylinder 320, and the inner side plate 310 and the inner sealing plate are respectively welded to the inner sealing cylinder 320. The inner side plate 310, the inner sealing plate and the inner sealing cylinder 320 enclose the inner sealing cavity 340. Therefore, the inner side plate 310, The inner sealing plate and the inner sealing cylinder 320 can form a good physical seal, so that the protective storage device has better waterproof performance. Since the inner side plate 310 and the inner sealing plate are respectively welded to the middle sealing cylinder 220, the connection between the inner side plate 310 and the inner sealing plate and the inner sealing cylinder 320 is relatively stable, so that it can have good waterproof performance and pressure resistance. The outer shell 100 and the middle shell 200 form a three-level nested structure, so the waterproof and pressure resistance performance are better.
[0047] Preferably, the inner sealed cavity 340 is filled with a high temperature resistant waterproof material layer 400 at the inner communication window to seal the FPC 133 and the inner communication window. In this way, the waterproof performance of the protective storage device can be further improved.
[0048] Preferably, the inner sealing plate and the middle sealing plate 230 are integrally arranged, and the inner communication window is connected to the middle communication window 250 .
[0049] The middle communication window 250 is preferably a countersunk hole, so that a step surface can be formed at the middle communication window 250, which is convenient for filling the high temperature resistant waterproof material layer 400, so that the glue overflowing when the high temperature resistant waterproof material layer 400 is filled and sealed will spread the step, so that the glue and the outer surface of the middle shell 200 are in the same plane, which can achieve a better sealing effect.
[0050] Preferably, the inner sealing cavity 340 is also filled with a thermally conductive silicone layer 500 .
[0051] Furthermore, the thermally conductive silicone layer 500 is disposed above a side of the PCB board 131 where the memory chip 132 is disposed.
[0052] Preferably, the middle sealed cavity 240 is filled with a first heat insulation layer 600 coated on the inner shell 300 .
[0053] Preferably, the outer sealed cavity 150 is filled with a second heat insulating layer 700 covering the middle shell 200. The material of the second heat insulating layer 700 is preferably aerogel.
[0054] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.
Claims
1. A protective storage device, comprising an outer shell and an assembled circuit board, characterized in that: It also includes sealant, the outer shell includes a bottom shell and a cover shell, the assembled circuit board includes a PCB board, a memory chip and an FPC, the memory chip is arranged on the PCB board, the FPC is connected to the PCB board, the bottom shell and the cover shell are sealed and welded and enclosed to form an outer sealed cavity, an outer communication window is opened on the outer shell, the PCB board and the memory chip are arranged in the outer sealed cavity, the FPC partially passes through the outer communication window, and the sealant covers the gap between the outer communication window and the FPC.
2. The protective storage device according to claim 1, characterized in that: The portion of the FPC located in the outer sealing cavity is bent.
3. The protective storage device according to claim 1, characterized in that: It also includes rivet posts for fixing and installing the protective storage device. The rivet posts are arranged on the bottom shell, and the four sides of the cover shell are welded to the four sides of the bottom shell.
4. The protective storage device according to claim 1, characterized in that: It also includes a middle shell located in the outer sealed cavity, the middle shell includes a middle side plate, a middle sealing cylinder and a middle sealing plate, the middle side plate and the middle sealing plate are respectively covered at both ends of the middle sealing cylinder, and the middle side plate and the middle sealing plate are respectively welded to the middle sealing cylinder, the middle side plate, the middle sealing plate and the middle sealing cylinder enclose a middle sealed cavity, a middle communication window is opened on the middle shell, the PCB board and the storage chip are arranged in the middle sealed cavity, and the FPC part is arranged to pass through the middle communication window.
5. The protective storage device according to claim 4, characterized in that: It also includes an inner shell located in the middle sealed cavity, the inner shell includes an inner side plate, an inner sealing cylinder and an inner sealing plate, the inner side plate and the inner sealing plate are respectively covered at both ends of the inner sealing cylinder, and the inner side plate and the inner sealing plate are respectively welded to the inner sealing cylinder, the inner side plate, the inner sealing plate and the inner sealing cylinder enclose an inner sealed cavity, an inner communication window is opened on the inner shell, the PCB board and the storage chip are arranged in the inner sealed cavity, and the FPC part is arranged to pass through the inner communication window.
6. The protective storage device according to claim 5, characterized in that: The inner sealed cavity is filled with a high temperature resistant and waterproof material layer at the inner communication window to seal the FPC and the inner communication window.
7. The protective storage device according to claim 5, characterized in that: The inner layer sealing plate and the middle layer sealing plate are integrally arranged, and the inner layer communication window is communicated with the middle layer communication window.
8. The protective storage device according to claim 7, characterized in that: The middle layer communication window is a countersunk hole.
9. The protective storage device according to claim 5, characterized in that: The inner sealing cavity is also filled with a heat-conducting silica gel layer.
10. The protective storage device according to claim 5, characterized in that: The middle sealed cavity is filled with a first heat insulation layer coated on the inner shell.