Data recorder structure

Abstract

The utility model relates to a data recorder structure which comprises an upper shell, a lower shell, an electric connector, a power panel, a data storage board and a first soft board, the upper shell and the lower shell are fixedly connected to form a containing space, the lower shell and the electric connector are fixedly connected, the power panel and the data storage board are fixedly arranged in the containing space, and the first soft board is arranged in the containing space. The power board is electrically connected with the data storage board through the first flexible board, the electric connector is electrically connected with the power board, and the power board is electrically connected with the data storage board through the first flexible board due to the fact that the first flexible board has flexibility, so that the power board can be electrically connected with the data storage board according to the volume of the containing space in the shell. The fixing mode of the power panel and the data storage board in the containing space is selected by selecting the fixing mode of the power panel and the data storage board in the containing space, so that the power panel and the data storage board can be stably fixed in the shell of the small-size data recorder to meet the use requirement. Compared with the mode that the power panel and the data storage board are electrically connected directly through a wire, the stability of the electric connection relation can be effectively improved through electric connection of the first soft board.

Description

Technical Field

[0001] The present application relates to the technical field of data storage, and in particular to a data recorder structure. Background Art

[0002] At present, aircraft engines generally use data recorders fixed inside the aircraft to store various data during the engine operation process, such as engine vibration data and diagnostic data, etc. These data can provide data support for the engine's in-service management, maintenance and improvement.

[0003] In the prior art, a data recorder is usually provided with multiple boards to achieve specific functional requirements, but the board installation environment inside the shell of a small-volume data recorder is relatively narrow. Therefore, how to stably fix multiple boards inside the shell of a small-volume data recorder to meet usage requirements is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present application is to provide a data recorder structure; the data recorder structure provided by the present application, since the first soft board is flexible, the electrical connection between the power board and the data storage board is realized through the first soft board, and the fixing method of the power board and the data storage board in the accommodating space can be selected according to the volume of the accommodating space in the shell, so that the power board and the data storage board can be stably fixed inside the shell of the small-volume data recorder to meet the usage requirements.

[0005] The technical solutions provided by this application are as follows:

[0006] A data recorder structure, comprising: an upper housing, a lower housing, an electrical connector, a power board, a data storage board and a first flexible board;

[0007] The upper shell and the lower shell are fixedly connected to form an accommodating space;

[0008] The lower housing and the electrical connector are fixedly connected;

[0009] The power board and the data storage board are fixedly arranged in the accommodating space;

[0010] The power board and the data storage board are electrically connected via the first flexible board;

[0011] The electrical connector is electrically connected to the power board.

[0012] Optionally, it also includes: a communication board, a second soft board and an antenna assembly;

[0013] The communication board is fixedly arranged in the accommodating space and is electrically connected to the data storage board through the second flexible board;

[0014] The antenna assembly is fixedly arranged on the upper housing;

[0015] The communication board and the antenna assembly are electrically connected.

[0016] Optionally:

[0017] The power board is located at one end close to the lower housing, and the data storage board is located at one end away from the lower housing;

[0018] A first column is disposed between the power board and the data storage board, and the power board and the data storage board are stacked and fixed in the accommodating space through the first column and a fixing member.

[0019] Optionally:

[0020] The power board is located at one end close to the lower housing, the communication board is located at one end away from the lower housing, and the data storage board is located between the power board and the communication board;

[0021] A first column is provided between the power board and the data storage board, a second column is provided between the data storage board and the communication board, and the power board, the data storage board and the communication board are stacked and fixed in the accommodating space by the first column, the second column and fixing members.

[0022] Optionally, the lower housing is provided with a threaded hole, the first column includes a fixing portion and a supporting portion, and the power board and the data storage board are provided with through holes;

[0023] The fixing portion of the first column is provided with an external thread, and the fixing portion of the first column passes through the through hole of the power board and is connected with the threaded hole of the lower shell;

[0024] The supporting portion of the first column is located between the power board and the data storage board, a cavity is provided in the supporting portion, an inner wall of the cavity of the supporting portion is provided with an internal thread structure, the fixing piece passes through the through hole of the data storage board and is inserted into the cavity of the supporting portion of the first column and is threadedly connected to the first column.

[0025] Optionally, the lower shell is provided with a threaded hole; the first column and the second column each include a fixing portion and a supporting portion, the fixing portion is provided with an external thread, the supporting portion is provided with a cavity, and the inner wall of the cavity of the supporting portion is provided with an internal thread structure; the power board, the data storage board and the communication board are provided with through holes;

[0026] The fixing portion of the first column passes through the through hole of the power board and is connected to the threaded hole of the lower shell;

[0027] The supporting portion of the first column is located between the power board and the data storage board, and the fixing portion of the second column passes through the through hole of the data storage board and is inserted into the cavity of the supporting portion of the first column and is threadedly connected with the first column;

[0028] The fixing piece is inserted into the cavity of the supporting portion of the second column through the through hole of the communication board, and is threadedly connected to the second column.

[0029] Optionally, a spring washer and a first flat washer are provided between the fixing member and the data storage board or between the fixing member and the communication board.

[0030] Optionally, the upper shell and the lower shell are connected by threads, a sealing ring is provided between the lower shell and the upper shell, and the lower shell and the upper shell are sealed by welding.

[0031] Optionally, a first through hole is provided on the top of the upper shell, a boss extending outward is provided at the first through hole, a connecting piece is provided on the upper surface of the boss, and the connecting piece is fixed to the boss on the top of the upper shell by screws; the connecting piece is provided with a through hole for hanging the identity card of the data recorder.

[0032] Optionally, a safety hole is provided on the outer wall of the boss at the top of the upper shell, and a safety hole is provided on the outer wall of the lower shell; the safety holes are used for a steel wire rope to pass through to fix the upper shell.

[0033] Optionally, an outer wall of the upper shell is provided with an anti-slip groove.

[0034] Optionally, a second through hole is provided on the top of the upper shell for the antenna assembly to pass through, and the antenna assembly is fixed to the top of the upper shell by a nut, and a second flat washer is provided between the nut and the upper shell.

[0035] Compared with the prior art, the present application provides a data recorder structure, including: an upper shell, a lower shell, an electrical connector, a power board, a data storage board and a first soft board, the upper shell and the lower shell are fixedly connected to form an accommodating space, the lower shell and the electrical connector are fixedly connected, the power board and the data storage board are fixedly arranged in the accommodating space, the power board and the data storage board are electrically connected through the first soft board, and the electrical connector and the power board are electrically connected. In the present application, since the first soft board is flexible, the electrical connection between the power board and the data storage board is realized through the first soft board, and the fixing method of the power board and the data storage board in the accommodating space can be selected according to the volume of the accommodating space in the shell, so that the power board and the data storage board can be stably fixed inside the shell of a small-volume data recorder to meet the use requirements; and compared with the direct electrical connection between the power board and the data storage board through a wire, the electrical connection through the first soft board can effectively improve the stability of the electrical connection relationship. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 A first structural schematic diagram of a data recorder structure provided in an embodiment of the present application;

[0038] Figure 2 A schematic diagram of the connection relationship between the power board, the first flexible board and the data storage board provided in the embodiment of the present application;

[0039] Figure 3 A schematic diagram of another data recorder structure provided in an embodiment of the present application;

[0040] Figure 4 An exploded schematic diagram of another data recorder structure provided in an embodiment of the present application;

[0041] Figure 5 A schematic diagram of the connection relationship between the power board, the first soft board, the data storage board, the second soft board and the communication board provided in the embodiment of the present application;

[0042] Figure 6 A second structural diagram of a data recorder structure provided in an embodiment of the present application;

[0043] Figure 7 This is a schematic diagram of the structure of the lower housing provided in an embodiment of the present application;

[0044] Figure 8 This is an exploded schematic diagram of the upper housing provided in an embodiment of the present application;

[0045] Reference numerals: 100 - upper housing; 200 - lower housing; 300 - electrical connector; 400 - power board; 500 - data storage board; 600 - first soft board; 700 - communication board; 800 - second soft board; 900 - antenna assembly;

[0046] 110 - accommodating space; 120 - boss; 121 - safety hole; 130 - connecting piece; 140 - screw; 150 - anti-slip groove; 160 - nut; 170 - second flat washer;

[0047] 210-threaded hole; 220-sealing ring;

[0048] 111 - first column; 112 - fixing piece; 113 - second column; 114 - spring washer; 115 - first flat washer. DETAILED DESCRIPTION

[0049] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0050] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 should not be understood as a limitation on the present application.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0053] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0054] like Figure 1 and Figure 2As shown, an embodiment of the present application provides a data recorder structure, including: an upper shell 100, a lower shell 200, an electrical connector 300, a power board 400, a data storage board 500 and a first soft board 600; the upper shell 100 and the lower shell 200 are fixedly connected to form an accommodating space 110; the lower shell 200 and the electrical connector 300 are fixedly connected; the power board 400 and the data storage board 500 are fixedly arranged in the accommodating space 110; the power board 400 and the data storage board 500 are electrically connected through the first soft board 600; the electrical connector 300 and the power board 400 are electrically connected.

[0055] In this embodiment, before the data recorder starts to work normally, the electrical connector 300 can be connected to the external controller (if the data recorder needs to be maintained, the electrical connector 300 can be connected to an external computer), the power board 400 is electrically connected to the external controller through the electrical connector 300, the power board 400 is electrically connected to the data storage board 500 through the wire in the first soft board 600, the external controller can provide power to the power board 400, the power board 400 converts the power and transmits it to the data storage board 500, the external controller transmits various data during the operation of the engine to the power board 400, and the data can be transmitted to the external controller. The sensor connected to the controller collects vibration data of the engine during operation. The data can also be fault diagnosis data obtained by an external controller after processing and analyzing the vibration data of the engine during operation collected by the sensor. The power board 400 transmits the various data received during the engine operation to the data storage board 500. Subsequently, the data stored in the data storage board 500 can be dumped manually by connecting the data recorder to the computer, or the data in the data storage board 500 can be transmitted to the ground server through a communication device. In this embodiment, the external controller, the external computer and the ground server are not shown in the accompanying drawings.

[0056] Compared with the prior art, the present application provides a data recorder structure, including: an upper shell 100, a lower shell 200, an electrical connector 300, a power board 400, a data storage board 500 and a first soft board 600, the upper shell 100 and the lower shell 200 are fixedly connected to form an accommodating space 110, the lower shell 200 and the electrical connector 300 are fixedly connected, the power board 400 and the data storage board 500 are fixedly arranged in the accommodating space 110, the power board 400 and the data storage board 500 are electrically connected through the first soft board 600, and the electrical connector 300 and the power board 400 are electrically connected. In the present application, due to the first soft The board 600 is flexible, and the electrical connection between the power board 400 and the data storage board 500 is achieved through the first soft board 600. The fixing method of the power board 400 and the data storage board 500 in the accommodating space 110 can be selected according to the volume of the accommodating space 110 in the shell, so that the power board 400 and the data storage board 500 can be stably fixed inside the shell of a small-volume data recorder to meet usage requirements; and compared with the direct electrical connection between the power board 400 and the data storage board 500 through a wire, the electrical connection through the first soft board 600 can effectively improve the stability of the electrical connection relationship.

[0057] like Figures 3 to 5 As shown, as an implementation mode, in the embodiment of the present application, it also includes: a communication board 700, a second soft board 800 and an antenna assembly 900; the communication board 700 is fixedly disposed in the accommodating space 110, and is electrically connected to the data storage board 500 through the second soft board 800; the antenna assembly 900 is fixedly disposed on the upper shell 100; the communication board 700 and the antenna assembly 900 are electrically connected.

[0058] In this embodiment, the data storage board 500 is electrically connected to the communication board 700 through the wire in the second soft board 800. The data storage board 500 can supply power to the communication board 700. The data storage board 500 sends various data stored in the engine operation process to the communication board 700. The communication board 700 transmits the data to the ground server by wireless transmission through the antenna assembly 900. In this embodiment, since the second soft board 800 is also flexible, the electrical connection between the power board 400 and the data storage board 500 is realized through the first soft board 600, and the electrical connection between the data storage board 500 and the communication board 700 is realized through the second soft board 800. The fixing method of the power board 400, the data storage board 500 and the communication board 700 in the accommodating space 110 can be selected according to the volume of the accommodating space 110 in the shell, so that the power board 400, the data storage board 500 and the communication board 700 can be stably fixed inside the shell of the small-volume data recorder to meet the use requirements; and compared with the direct electrical connection between the data storage board 500 and the communication board 700 through a wire, the electrical connection through the second flexible board 800 can effectively improve the stability of the electrical connection relationship, so that the communication board 700 can transmit data to the ground server in a timely manner through the antenna assembly 900 by wireless transmission.

[0059] like Figure 6 As shown, as an implementation mode, in the embodiment of the present application: the power board 400 is located at one end close to the lower shell 200, and the data storage board 500 is located at one end away from the lower shell 200; a first column 111 is provided between the power board 400 and the data storage board 500, and the power board 400 and the data storage board 500 are stacked and fixed in the accommodating space 110 by the first column 111 and the fixing member 112.

[0060] In this embodiment, the power board 400 and the data storage board 500 are stacked and fixed in the accommodating space 110 by the first column 111 and the fixing member 112, which can effectively reduce the space occupied by the power board 400 and the data storage board 500 in the accommodating space 110 of the shell, thereby enabling the power board 400 and the data storage board 500 to be stably fixed inside the shell of the small-volume data recorder.

[0061] like Figure 3As shown, as an implementation mode, in the embodiment of the present application: the power board 400 is located at one end close to the lower shell 200, the communication board 700 is located at one end away from the lower shell 200, and the data storage board 500 is located between the power board 400 and the communication board 700; a first column 111 is provided between the power board 400 and the data storage board 500, and a second column 113 is provided between the data storage board 500 and the communication board 700. The power board 400, the data storage board 500 and the communication board 700 are stacked and fixed in the accommodating space 110 by the first column 111, the second column 113 and the fixing member 112.

[0062] In this embodiment, the data storage board 500 is located between the power board 400 and the communication board 700, and the power board 400, the data storage board 500 and the communication board 700 are stacked and fixed in the accommodating space 110 by the first column 111, the second column 113 and the fixing member 112, which can effectively reduce the occupied space of the power board 400, the data storage board 500 and the communication board 700 in the accommodating space 110 of the shell, thereby enabling the power board 400, the data storage board 500 and the communication board 700 to be stably fixed inside the shell of the small-volume data recorder.

[0063] like Figure 6 and Figure 7 As shown, as an implementation mode, in the embodiment of the present application, the lower shell 200 is provided with a threaded hole 210, the first column 111 includes a fixing portion and a supporting portion, and the power board 400 and the data storage board 500 are provided with through holes; the fixing portion of the first column 111 is provided with an external thread, and the fixing portion of the first column 111 passes through the through hole of the power board 400 and is connected with the threaded hole 210 of the lower shell 200;; the supporting portion of the first column 111 is located between the power board 400 and the data storage board 500, a cavity is provided in the supporting portion, and an inner wall of the cavity of the supporting portion is provided with an internal thread structure, and the fixing member 112 passes through the through hole of the data storage board 500 and is inserted into the cavity of the supporting portion of the first column 111, and is threadedly connected with the first column 111.

[0064] In this embodiment, two threaded holes 210 are symmetrically provided at one end of the lower shell 200 close to the upper shell 100, two first columns 111 are provided, two fixing members 112 are provided, and two through holes are symmetrically provided on the power board 400 and the data storage board 500 respectively. The fixing part of the first column 111 passes through the through hole of the power board 400 and is threadedly connected to the threaded hole 210 of the lower shell 200. The fixing member 112 passes through the through hole of the data storage board 500 and is inserted into the cavity of the supporting part of the first column 111 and is threadedly connected to the inner wall of the cavity of the first column 111. By setting the connection mode between the first column 111 and the lower shell 200 and the first column 111 and the fixing member 112 to be threaded connection, it is convenient for subsequent disassembly as needed.

[0065] like Figure 4 and Figure 7 As shown, as an implementation mode, in the embodiment of the present application, the lower shell 200 is provided with a threaded hole 210; the first column 111 and the second column 113 both include a fixing portion and a supporting portion, the fixing portion is provided with an external thread, the supporting portion is provided with a cavity, and the inner wall of the cavity of the supporting portion is provided with an internal thread structure; through holes are provided on the power board 400, the data storage board 500 and the communication board 700; the fixing portion of the first column 111 passes through the through hole of the power board 400 and is connected to the threaded hole 210 of the lower shell 200; the supporting portion of the first column 111 is located between the power board 400 and the data storage board 500, the fixing portion of the second column 113 passes through the through hole of the data storage board 500 and is inserted into the cavity of the supporting portion of the first column 111, and is threadedly connected to the first column 111; the fixing piece 112 passes through the through hole of the communication board 700 and is inserted into the cavity of the supporting portion of the second column 113 and is threadedly connected to the second column 113.

[0066] In this embodiment, two threaded holes 210 are symmetrically arranged at one end of the lower housing 200 close to the upper housing 100, two first columns 111 and two second columns 113 are respectively arranged, two fixing members 112 are arranged, and two through holes are symmetrically arranged on the power board 400, the data storage board 500 and the communication board 700, respectively. The fixing portion of the first column 111 passes through the through hole of the power board 400 and is threadedly connected to the threaded hole 210 of the lower housing 200, and the fixing portion of the second column 113 passes through the data storage board 50 0 is inserted into the cavity of the supporting part of the first column 111 and is threadedly connected to the inner wall of the cavity of the first column 111; the fixing piece 112 passes through the through hole of the communication board 700 and is inserted into the cavity of the supporting part of the second column 113 and is threadedly connected to the inner wall of the cavity of the second column 113; by setting the connection mode between the first column 111 and the lower shell 200, the first column 111 and the second column 113, and the second column 113 and the fixing piece 112 as a threaded connection, it is convenient for subsequent disassembly as needed.

[0067] like Figure 3 and Figure 6 As shown, as an implementation manner, in the embodiment of the present application, a spring washer 114 and a first flat washer 115 are provided between the fixing member 112 and the data storage board 500 or between the fixing member 112 and the communication board 700 .

[0068] In this embodiment, by providing a spring washer 114 and a first flat washer 115 between the fixing member 112 and the data storage board 500 or between the fixing member 112 and the communication board 700, the fixing member 112 can be effectively prevented from loosening.

[0069] like Figure 4As shown, as an implementation mode, in the embodiment of the present application, the upper shell 100 and the lower shell 200 are connected by threads, a sealing ring 220 is provided between the lower shell 200 and the upper shell 100, and the lower shell 200 and the upper shell 100 are sealed by welding.

[0070] In this embodiment, the sealing ring 220 can be a sealing rubber ring. By setting the sealing ring 220 between the lower shell 200 and the upper shell 100, it can effectively play a sealing role. The lower shell 200 and the upper shell 100 are sealed by welding, which can effectively prevent water and effectively protect the boards and cards in the shell.

[0071] like Figure 8 As shown, as an implementation mode, in the embodiment of the present application, a first through hole is provided on the top of the upper shell 100, a boss 120 extending outward is provided at the first through hole, a connecting piece 130 is provided on the upper surface of the boss 120, and the connecting piece 130 is fixed to the boss 120 on the top of the upper shell 100 by screws 140; the connecting piece 130 is provided with a through hole for hanging the identity card of the data recorder.

[0072] In this embodiment, the identity card of the data recorder is hung by providing a through hole on the connecting piece 130 , so that the operation of hanging the identity card of the data recorder is simple and convenient, and the appearance of the recorder is not affected.

[0073] like Figure 7 and Figure 8 As shown, as an implementation mode, in the embodiment of the present application, the outer wall of the boss 120 at the top of the upper shell 100 is provided with a safety hole 121, and the outer wall of the lower shell 200 is provided with a safety hole 121; the safety hole 121 is for a steel wire rope to pass through to fix the upper shell 100.

[0074] In this embodiment, the steel wire rope can be passed through the safety hole 121 on the outer wall of the boss 120 on the top of the upper shell 100 and the safety hole 121 on the outer wall of the lower shell 200, and then fixed in the aircraft. This can strengthen the fixation of the upper shell 100 and effectively prevent the upper shell 100 of the recorder from falling into the cabin under the vibration environment of the aircraft during flight.

[0075] like Figure 8 As shown, as an implementation manner, in the embodiment of the present application, the outer wall of the upper shell 100 is provided with an anti-slip groove 150.

[0076] In this embodiment, by providing an anti-slip groove 150 on the outer wall of the upper shell 100 , the upper shell 100 can be effectively prevented from sliding when the staff holds the outer wall of the upper shell 100 .

[0077] like Figure 3As shown, as an implementation mode, in the embodiment of the present application, a second through hole is provided on the top of the upper shell 100 for the antenna assembly 900 to pass through, and the antenna assembly 900 is fixed to the top of the upper shell 100 by a nut 160, and a second flat washer 170 is provided between the nut 160 and the upper shell 100.

[0078] In this embodiment, the antenna assembly 900 is fixed to the upper shell 100 by a nut 160, which facilitates the subsequent disassembly of the antenna assembly 900 as needed. By fixing the antenna assembly 900 to the top of the upper shell 100, it is beneficial for the antenna assembly 900 to send signals. By providing a second flat washer 170 between the nut 160 and the upper shell 100, the nut 160 can be effectively prevented from loosening.

[0079] The embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referenced to each other.

[0080] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A data recorder structure, characterized in that: include: An upper housing, a lower housing, an electrical connector, a power board, a data storage board and a first flexible board; The upper shell and the lower shell are fixedly connected to form an accommodating space; The lower housing and the electrical connector are fixedly connected; The power board and the data storage board are fixedly arranged in the accommodating space; The power board and the data storage board are electrically connected via the first flexible board; The electrical connector is electrically connected to the power board.

2. The data recorder structure according to claim 1, characterized in that: Also includes: Communication board, second flexible board and antenna assembly; The communication board is fixedly arranged in the accommodating space and is electrically connected to the data storage board through the second flexible board; The antenna assembly is fixedly arranged on the upper housing; The communication board and the antenna assembly are electrically connected.

3. The data recorder structure according to claim 1, characterized in that: The power board is located at one end close to the lower housing, and the data storage board is located at one end away from the lower housing; A first column is disposed between the power board and the data storage board, and the power board and the data storage board are stacked and fixed in the accommodating space through the first column and a fixing member.

4. The data recorder structure according to claim 2, characterized in that: The power board is located at one end close to the lower housing, the communication board is located at one end away from the lower housing, and the data storage board is located between the power board and the communication board; A first column is provided between the power board and the data storage board, a second column is provided between the data storage board and the communication board, and the power board, the data storage board and the communication board are stacked and fixed in the accommodating space by the first column, the second column and fixing members.

5. The data recorder structure according to claim 3, characterized in that: The lower housing is provided with a threaded hole, the first column includes a fixing portion and a supporting portion, and the power board and the data storage board are provided with through holes; The fixing portion of the first column is provided with an external thread, and the fixing portion of the first column passes through the through hole of the power board and is connected with the threaded hole of the lower shell; The supporting portion of the first column is located between the power board and the data storage board, a cavity is provided in the supporting portion, an inner wall of the cavity of the supporting portion is provided with an internal thread structure, the fixing piece passes through the through hole of the data storage board and is inserted into the cavity of the supporting portion of the first column and is threadedly connected to the first column.

6. The data recorder structure according to claim 4, characterized in that: The lower shell is provided with a threaded hole; the first column and the second column each include a fixing portion and a supporting portion, the fixing portion is provided with an external thread, the supporting portion is provided with a cavity, and the inner wall of the cavity of the supporting portion is provided with an internal thread structure; the power board, the data storage board and the communication board are provided with through holes; The fixing portion of the first column passes through the through hole of the power board and is connected to the threaded hole of the lower shell; The supporting portion of the first column is located between the power board and the data storage board, and the fixing portion of the second column passes through the through hole of the data storage board and is inserted into the cavity of the supporting portion of the first column and is threadedly connected with the first column; The fixing piece passes through the through hole of the communication board and is inserted into the cavity of the supporting portion of the second column, and is threadedly connected to the second column.

7. The data recorder structure according to claim 6, characterized in that: A spring washer and a first flat washer are provided between the fixing member and the data storage board or between the fixing member and the communication board.

8. The data recorder structure according to claim 7, characterized in that: The upper shell and the lower shell are connected by threads, a sealing ring is arranged between the lower shell and the upper shell, and the lower shell and the upper shell are sealed by welding.

9. The data recorder structure according to claim 7, characterized in that: A first through hole is provided on the top of the upper shell, a boss extending outward is provided at the first through hole, a connecting piece is provided on the upper surface of the boss, and the connecting piece is fixed to the boss on the top of the upper shell by screws; the connecting piece is provided with a through hole for hanging the identity card of the data recorder.

10. The data recorder structure according to claim 9, characterized in that: The outer wall of the boss at the top of the upper shell is provided with a safety hole, and the outer wall of the lower shell is provided with a safety hole; the safety holes are used for steel wire ropes to pass through to fix the upper shell.

11. The data recorder structure according to claim 7, characterized in that: The outer wall of the upper shell is provided with an anti-slip groove.

12. The data recorder structure according to claim 6, characterized in that: A second through hole is provided on the top of the upper shell for the antenna assembly to pass through. The antenna assembly is fixed to the top of the upper shell by a nut. A second flat washer is provided between the nut and the upper shell.

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