Vehicle-mounted special CAN (Controller Area Network) data recording device

Abstract

The utility model relates to the technical field of vehicle-mounted data recording, and discloses a vehicle-mounted special CAN data recording device which comprises an installation block, an installation mechanism is arranged on the inner side of the installation block, fixing mechanisms are arranged on the upper side and the lower side of the installation mechanism, the installation mechanism comprises a protection frame, the protection frame is fixedly connected to the inner side of the installation block, and the protection frame is fixedly connected to the inner side of the installation block. The vehicle-mounted data recording device body comprises a protective frame, the front side of the protective frame is slidably connected with a sealing cover, the interior of the sealing cover is in threaded connection with a fixing bolt, and the rear side of the protective frame is fixedly connected with a connecting box. The mounting block and the protection frame are in a stable state, at the moment, the vehicle-mounted data recording device body can be placed in the protection frame, clamping plates can be driven to move under the action of a bidirectional threaded rod, a movable frame and a sliding rod, and the vehicle-mounted data recording device body can be fixed under the action of the clamping plates.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted data recording, specifically a vehicle-mounted dedicated CAN data recording device Background Art

[0002] A dedicated on-board CAN data logger is a device designed specifically for automotive electronic systems, used to record data on the vehicle's CAN bus in real time. These data loggers typically have large storage capacities, enabling them to record long-term vehicle operating data. The CAN bus is one of the most widely used fieldbuses internationally. It serves as microcontroller communication within the automotive environment, exchanging information between various onboard electronic control units (ECUs) to form the automotive electronic control network. Existing on-board data loggers are secured solely with bolts, providing no protection. This can lead to them becoming loose during use, compromising data transmission.

[0003] According to the description of a vehicle-mounted data recording device based on automobile CAN signal collection published on the patent website (authorization announcement number: CN213138647U), the vehicle-mounted data recording device based on automobile CAN signal collection includes "a vehicle-mounted data recording device body, an installation mechanism", etc., for installation work.

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] This vehicle-mounted data recording device, which collects vehicle CAN signals, utilizes a vehicle-mounted data recording device body and a mounting mechanism for installation. During use, the device secures the mounting structure of the vehicle-mounted data recording device body by supporting wheels against the gap outside the connection portion of the vehicle-mounted data recording device body. This fixing method not only has poor stability but also fails to protect the vehicle-mounted data recording device body from impact, resulting in poor safety and stability, which affects the device's performance. Therefore, improvements to this device are needed. Utility Model Content

[0006] The purpose of the present utility model is to provide a vehicle-mounted dedicated CAN data recording device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a vehicle-mounted dedicated CAN data recording device, comprising a mounting block, a mounting mechanism provided inside the mounting block, and fixing mechanisms provided on the upper and lower sides of the mounting mechanism;

[0008] The mounting mechanism includes a protective frame, which is fixedly connected to the inner side of the mounting block, a sealing cover is slidably connected to the front side of the protective frame, a fixing bolt is threadedly connected to the internal part of the sealing cover, a connecting box is fixedly connected to the rear side of the protective frame, a vehicle-mounted data recording device body is provided inside the protective frame, a two-way threaded rod is rotatably connected to the inside of the connecting box, an adjusting disk is fixedly connected to the left side of the two-way threaded rod, a movable frame is threadedly connected to the outer periphery of the two-way threaded rod, the movable frame is slidably connected to the inside of the connecting box, a sliding rod is slidably connected to the inside of the movable frame, the sliding rod is fixedly connected to the connecting box, a telescopic rod is fixedly connected to the left side of the telescopic rod, a splint is provided on the right side of the vehicle-mounted data recording device body, and a first spring is sleeved on the outer periphery of the telescopic rod.

[0009] Preferably, the rear side of the vehicle-mounted data recording device body contacts the rear side of the protective frame, and the left side of the clamping plate contacts the right side of the vehicle-mounted data recording device body, so that the vehicle-mounted data recording device body can be fixed under the action of the clamping plate.

[0010] Preferably, the left side of the first spring is fixedly connected to the right side of the clamping plate, and the right side of the first spring is fixedly connected to the left side of the mobile frame. A wiring groove is provided inside the protective frame, and the wiring groove is rectangular, so that it can play a buffering role when the clamping plate fixes the vehicle-mounted data recording device body under the action of the first spring.

[0011] Preferably, the movable frame passes through the interior of the protective frame, a slide groove is provided inside the protective frame, and the movable frame is slidably connected to the slide groove, so that the movable frame can be moved under the action of the slide groove.

[0012] Preferably, the fixing bolt passes through the interior of the protective frame, and fixing grooves are respectively provided inside the protective frame and the sealing cover, and the two fixing grooves correspond to each other. The fixing bolt is threadedly connected to the fixing groove, so as to ensure the stability of the sealing cover under the action of the fixing bolt.

[0013] Preferably, the fixing mechanism includes a fixing frame, which is fixedly connected to the top of the protective frame, a round rod is fixedly connected inside the fixing frame, a first clamping pad is fixedly connected to the periphery of the round rod, a second clamping pad is slidably connected to the periphery of the round rod, a pull ring is fixedly connected to the front side of the second clamping pad, a second spring is sleeved on the periphery of the round rod, the inner side of the second spring is fixedly connected to the front side of the second clamping pad, and the outer side of the second spring is fixedly connected to the fixing frame.

[0014] Preferably, the fixing frame, the first clamping pad, the second clamping pad, the round rod, the second spring and the pull ring are provided in two groups, and the two groups of the fixing frame, the first clamping pad, the second clamping pad, the round rod, the second spring and the pull ring are respectively provided on the upper and lower sides of the protective frame, so that by providing two groups, the wiring harness connected to the upper and lower sides of the vehicle-mounted data recording device body can be fixed respectively.

[0015] Compared with the prior art, the present invention provides a vehicle-mounted dedicated CAN data recording device, which has the following beneficial effects:

[0016] The dedicated vehicle-mounted CAN data recording device, through the provided installation mechanism, fixes the installation block at the position where the vehicle-mounted data recording device body needs to be installed in the vehicle through an external fixing device, so that the installation block and the protective frame are in a stable state. At this time, the vehicle-mounted data recording device body can be placed in the protective frame, and the clamping plate can be driven to move under the action of the two-way threaded rod, the movable frame and the sliding rod, so that the vehicle-mounted data recording device body can be fixed under the action of the clamping plate, ensuring the stability of the vehicle-mounted data recording device body, and the clamping plate will squeeze the telescopic rod and the first spring during the movement, and the elastic action of the spring can absorb and disperse the energy generated by vibration or impact, thereby reducing damage to sensitive electronic components inside the vehicle-mounted data recording device body and improving safety. The sealing cover can further seal the protective frame, making the operation convenient and easy to install and disassemble, while also playing a protective role.

[0017] The vehicle-mounted dedicated CAN data recording device, through the provided fixing mechanism, can realize that when the vehicle-mounted data recording device body is fixed and needs to be connected to the external wiring harness, the external wiring harness can be connected from the top or bottom of the vehicle-mounted data recording device body through the wiring groove inside the protective frame. In the process of connection, the wiring harness can be fixed under the action of the first clamping pad, the second clamping pad and the second spring, which helps to prevent damage to the wiring harness caused by accidental pulling or collision. This is crucial for maintaining the normal operation of the vehicle's electronic system. At the same time, it can avoid poor contact or even falling off, which affects the stability and reliability of data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 Schematic diagram of the installation mechanism;

[0022] Figure 4 This is a schematic diagram of the rear structure of the protective frame;

[0023] Figure 5 This is a schematic diagram of the structure inside the connection box;

[0024] Figure 6 It is a schematic diagram of the fixed mechanism structure.

[0025] In the figure: 1. Mounting block; 2. Mounting mechanism; 3. Fixing mechanism; 21. Protective frame; 22. Fixing bolt; 23. Sealing cover; 24. Connection box; 25. Vehicle-mounted data recording device body; 26. Bidirectional threaded rod; 27. Sliding rod; 28. Adjusting disk; 29. ​​Moving frame; 291. Telescopic rod; 292. Clamping plate; 293. First spring; 31. Fixing frame; 32. First clamping pad; 33. Second clamping pad; 34. Round rod; 35. Second spring; 36. Pull ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] The utility model provides the following technical solutions:

[0029] For example 1, please refer to Figure 1-6 The utility model provides a technical solution: a vehicle-mounted dedicated CAN data recording device, comprising a mounting block 1, a mounting mechanism 2 is provided inside the mounting block 1, and fixing mechanisms 3 are provided on the upper and lower sides of the mounting mechanism 2;

[0030] The mounting mechanism 2 includes a protective frame 21, which is fixedly connected to the inner side of the mounting block 1. A sealing cover 23 is slidably connected to the front side of the protective frame 21, and a fixing bolt 22 is threadedly connected to the internal part of the sealing cover 23. A connecting box 24 is fixedly connected to the rear side of the protective frame 21. A vehicle-mounted data recording device body 25 is provided inside the protective frame 21. A bidirectional threaded rod 26 is rotatably connected to the inside of the connecting box 24, an adjusting disk 28 is fixedly connected to the left side of the bidirectional threaded rod 26, and a movable frame 29 is threadedly connected to the outer periphery of the bidirectional threaded rod 26. The movable frame 29 is slidably connected to the inner side of the connecting box 24, a sliding rod 27 is slidably connected to the inside of the movable frame 29, and the sliding rod 27 is fixedly connected to the inside of the connecting box 24. A telescopic rod 291 is fixedly connected to the left side of the telescopic rod 291, and a splint 292 is fixedly connected to the left side of the telescopic rod 291. The splint 292 is provided on the right side of the vehicle-mounted data recording device body 25, and a first spring 293 is sleeved on the outer periphery of the telescopic rod 291.

[0031] The rear side of the vehicle-mounted data recording device body 25 contacts the rear side of the inner side of the protective frame 21, and the left side of the clamping plate 292 contacts the right side of the vehicle-mounted data recording device body 25, which is convenient for fixing the vehicle-mounted data recording device body 25 under the action of the clamping plate 292. The left side of the first spring 293 is fixedly connected to the right side of the clamping plate 292, and the right side of the first spring 293 is fixedly connected to the left side of the mobile frame 29. A wiring groove is opened inside the protective frame 21, and the wiring groove is rectangular. It is convenient for the clamping plate 292 to fix the vehicle-mounted data recording device body 25 under the action of the first spring 293. According to the recording device body 25, it can play a buffering role when being fixed. The movable frame 29 passes through the interior of the protective frame 21. A sliding groove is provided inside the protective frame 21. The movable frame 29 is slidably connected to the sliding groove, so that the movable frame 29 can be moved under the action of the sliding groove. The fixing bolt 22 passes through the interior of the protective frame 21. Fixed grooves are respectively provided inside the protective frame 21 and the sealing cover 23, and the two fixed grooves correspond to each other. The fixing bolt 22 is threadedly connected to the fixed groove, so that the stability of the sealing cover 23 can be ensured under the action of the fixing bolt 22.

[0032] For example 2, please refer to Figure 1-6, and on the basis of Example 1, the fixing mechanism 3 is further obtained to include a fixing frame 31, the fixing frame 31 is fixedly connected to the top of the protective frame 21, a round rod 34 is fixedly connected inside the fixing frame 31, a first clamping pad 32 is fixedly connected to the outer periphery of the round rod 34, a second clamping pad 33 is slidably connected to the outer periphery of the round rod 34, a pull ring 36 is fixedly connected to the front side of the second clamping pad 33, a second spring 35 is sleeved on the outer periphery of the round rod 34, the inner side of the second spring 35 is fixedly connected to the front side of the second clamping pad 33, and the outer side of the second spring 35 is fixedly connected to the fixing frame 31, and the fixing frame 31, the first clamping pad 32, the second clamping pad 33, the round rod 34, the second spring 35 and the pull ring 36 are provided in two groups, and the two groups of fixing frames 31, the first clamping pad 32, the second clamping pad 33, the round rod 34, the second spring 35 and the pull ring 36 are respectively provided on the upper and lower sides of the protective frame 21, so that by providing two groups, the wiring harness connected to the upper and lower sides of the vehicle-mounted data recording device body 25 can be fixed respectively.

[0033] In actual operation, when the device is used, the mounting block 1 is first fixed to the position where the vehicle-mounted data recording device body 25 is to be installed in the vehicle by an external fixing device, so that the mounting block 1 and the protective frame 21 are in a stable state. At this time, the vehicle-mounted data recording device body 25 is placed in the protective frame 21, and the adjusting disk 28 is rotated to make the bidirectional threaded rod 26 drive the movable frame 29 to move, and the movable frame 29 is made to slide around the outer periphery of the slide rod 27, so that the movable frame 29 drives the clamping plate 292 to move, so that the clamping plate 292 moves to the vehicle-mounted data recording device body 25. 5 is fixed on both sides to keep the vehicle-mounted data recording device body 25 in a stable state. In the process of movement of the clamping plate 292, the telescopic rod 291 and the first spring 293 are squeezed. Under the elastic action of the spring, the energy generated by vibration or impact can be absorbed and dispersed, thereby reducing damage to sensitive electronic components inside the vehicle-mounted data recording device body 25 and improving safety. When the fixation is completed, the sealing cover 23 can be slidably connected to the front side of the protective frame 21 and fixed to the sealing cover 23 by the fixing bolt 22, so that the protective frame 21 is in a sealed state.

[0034] When the on-board data recording device body 25 needs to be connected to an external wiring harness, the pull ring 36 is pulled forward so that the pull ring 36 drives the second clamping pad 33 to slide around the outer periphery of the round rod 34 and squeezes the second spring 35. At this time, the wiring harness can be connected from the top or bottom of the on-board data recording device body 25 through the wiring groove inside the protective frame 21, and the wiring harness is connected to the on-board data recording device body 25 between the first clamping pad 32 and the second clamping pad 33. When the connection is completed, the pull ring 36 is released, the second spring 35 is reset, and the second clamping pad 33 is driven to move, so that the wiring harness can be fixed under the first clamping pad 32 and the second clamping pad 33, so that the wiring harness is in a stable state, avoiding poor contact or even falling off of the wiring harness, which affects the stability and reliability of data transmission. The model of the on-board data recording device body 25 used in this case is: CANDTU-100UR.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A vehicle-mounted dedicated CAN data recording device, comprising a mounting block (1), characterized in that: A mounting mechanism (2) is provided inside the mounting block (1), and fixing mechanisms (3) are provided on the upper and lower sides of the mounting mechanism (2); The mounting mechanism (2) comprises a protective frame (21), the protective frame (21) is fixedly connected to the inner side of the mounting block (1), the front side of the protective frame (21) is slidably connected to a sealing cover (23), the inner side of the sealing cover (23) is threadedly connected to a fixing bolt (22), the rear side of the protective frame (21) is fixedly connected to a connection box (24), the inner side of the protective frame (21) is provided with a vehicle-mounted data recording device body (25), the inner side of the connection box (24) is rotatably connected to a bidirectional threaded rod (26), the left side of the bidirectional threaded rod (26) is fixedly connected to an adjustment disk (28), and the The outer periphery of the bidirectional threaded rod (26) is threadedly connected to a movable frame (29), the movable frame (29) is slidably connected to the inner side of the connection box (24), the inner side of the movable frame (29) is slidably connected to a slide bar (27), the slide bar (27) is fixedly connected to the connection box (24), the left side of the movable frame (29) is fixedly connected to a telescopic rod (291), the left side of the telescopic rod (291) is fixedly connected to a splint (292), the splint (292) is arranged on the right side of the vehicle-mounted data recording device body (25), and the outer periphery of the telescopic rod (291) is sleeved with a first spring (293).

2. The vehicle-mounted dedicated CAN data recording device according to claim 1, characterized in that: The rear side of the vehicle-mounted data recording device body (25) contacts the inner rear side of the protection frame (21), and the left side of the clamping plate (292) contacts the right side of the vehicle-mounted data recording device body (25).

3. The vehicle-mounted dedicated CAN data recording device according to claim 1, characterized in that: The left side of the first spring (293) is fixedly connected to the right side of the clamping plate (292), and the right side of the first spring (293) is fixedly connected to the left side of the movable frame (29). A wiring slot is provided inside the protective frame (21), and the wiring slot is rectangular.

4. The vehicle-mounted dedicated CAN data recording device according to claim 1, characterized in that: The movable frame (29) passes through the interior of the protective frame (21); a sliding groove is provided inside the protective frame (21); and the movable frame (29) is slidably connected to the sliding groove.

5. The vehicle-mounted dedicated CAN data recording device according to claim 1, characterized in that: The fixing bolt (22) passes through the interior of the protective frame (21). The protective frame (21) and the sealing cover (23) are respectively provided with fixing grooves, and the two fixing grooves correspond to each other. The fixing bolt (22) is threadedly connected in the fixing grooves.

6. The vehicle-mounted dedicated CAN data recording device according to claim 1, characterized in that: The fixing mechanism (3) includes a fixing frame (31), the fixing frame (31) is fixedly connected to the top of the protective frame (21), a round rod (34) is fixedly connected inside the fixing frame (31), a first clamping pad (32) is fixedly connected to the periphery of the round rod (34), a second clamping pad (33) is slidably connected to the periphery of the round rod (34), a pull ring (36) is fixedly connected to the front side of the second clamping pad (33), a second spring (35) is sleeved on the periphery of the round rod (34), the inner side of the second spring (35) is fixedly connected to the front side of the second clamping pad (33), and the outer side of the second spring (35) is fixedly connected to the fixing frame (31).

7. The vehicle-mounted dedicated CAN data recording device according to claim 6, characterized in that: The fixing frame (31), the first clamping pad (32), the second clamping pad (33), the round rod (34), the second spring (35) and the pull ring (36) are provided in two groups, and the two groups of the fixing frame (31), the first clamping pad (32), the second clamping pad (33), the round rod (34), the second spring (35) and the pull ring (36) are respectively provided on the upper and lower sides of the protective frame (21).

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