Recorder for rail transit
By designing a recorder for removable hollow-core frame chassis and line-mounted connectors, the problem of long and high cost of customization in the prior art is solved, and a rail transit recorder with fast response and flexible configuration is realized, and the development is simplified. and maintenance process.
Patent Information
- Application Number
- CN202421086625.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-19
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-19
AI Technical Summary
The existing rail transit recorder design uses onboard connectors, which leads to long custom development time and high cost, making it difficult to meet the customized needs of various customer needs.
Design a recorder for rail transit, which uses an open hollow-core frame chassis on one side, has a built-in removable PCBA motherboard and wire-mounted connector, which is connected through wire harness terminals, and reserves various functional interfaces and selects according to customer needs. Corresponding wire-on-mount connectors, simplifying assembly and maintenance.
It reduces the development cycle, reduces costs, improves the simplicity of assembly and maintenance, and meets customized developments that meet different customer needs.
Smart Images

Figure CN222300085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of recording equipment, in particular to a recorder used for rail transportation. Background Art
[0002] In the rail transit industry, each locomotive needs to be equipped with a recorder to record the locomotive's driving data. Cities that have already opened rail transit have different needs, so customized development and design are required.
[0003] At present, the recorder designs all use on-board connectors, which are welded on the PCBA board. One PCBA contains several functions. The PCBA is selected or designed according to the customer's requirements. This method is equivalent to custom development, which takes a long time and is costly. Therefore, it is necessary to develop a recorder for rail transit. Utility Model Content
[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:
[0006] A recorder for rail transit, comprising:
[0007] A chassis, the chassis is in the shape of a hollow frame with one side open, and a panel is detachably mounted on the open side of the chassis;
[0008] PCBA motherboard, a PCBA motherboard is detachably installed inside the chassis, and a plurality of wire-mounted connectors connected to external wiring are arranged on the PCBA motherboard through wiring harness terminals, and the ports of the wire-mounted connectors are detachably arranged on the outer surface of the panel.
[0009] As a preferred solution of a recorder for rail transit described in the utility model, the outer surface of the panel is opened with a mounting hole corresponding to the port of the wire-mounted connector for insertion, and the first screws that are rotatably screwed to the mounting hole are rotatably arranged on both sides of the port shell of the wire-mounted connector.
[0010] As a preferred solution of the recorder for rail transit described in the utility model, wherein: second screws are screwed and rotatably arranged around the panel, and the second screws are screwed to the side of the chassis.
[0011] As a preferred solution of the recorder for rail transit described in the utility model, wherein: a heat dissipation hole is opened on the outer side wall of the chassis, and a dustproof net is arranged on the surface of the heat dissipation hole.
[0012] As a preferred solution of the recorder for rail transit described in the utility model, the front side wall of the chassis is provided with side handles, and at least two side handles are provided and are arranged symmetrically with respect to the chassis.
[0013] As a preferred solution of a recorder for rail transit described in the utility model, wherein: a plurality of mounting columns are protruding from the bottom wall of the inner cavity of the chassis, and the mounting columns include support columns made of rubber material at the lower end and mounting blocks located at the top of the support columns, and a third screw is screwed through the top of the PCBA mainboard, and the third screw is screwed to the mounting block.
[0014] The beneficial effects of the utility model are as follows: the designed PCBA mainboard reserves various functional interfaces of the recorder, and the corresponding wire-mounted connector is selected according to the needs of the customer, and is connected through the wiring harness terminal. The wire-mounted connector technology is mature and can be purchased directly, which reduces the development cycle, and is easy to assemble, easy to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0016] Figure 1 It is a schematic diagram of the structure of the utility model in a top view;
[0017] Figure 2 It is an exploded perspective view of the utility model;
[0018] Figure 3 It is a schematic diagram of the structure of the internal components of the chassis of the utility model from the side.
[0019] In the figure: chassis 100, panel 110, mounting hole 120, second screw 130, heat dissipation hole 140, side handle 150, mounting column 160, PCBA mainboard 200, and line-mounted connector 210. DETAILED DESCRIPTION
[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.
[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.
[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.
[0024] See also Figure 1-Figure 3 , which shows a schematic diagram of the structure of a recorder for rail transit according to the utility model, please refer to Figure 1-Figure 3 , a recorder used in rail transit is introduced in detail.
[0025] A recorder for rail transit, comprising a chassis 100, wherein the chassis 100 is in the shape of a hollow frame with one side open, and a panel 110 is detachably mounted on the open side of the chassis 100;
[0026] A PCBA motherboard 200 is detachably installed inside the chassis 100, and a plurality of wire-mounted connectors 210 connected to external wiring are arranged on the PCBA motherboard 200 through wiring harness terminals. The ports of the wire-mounted connectors 210 are detachably arranged on the outer surface of the panel 110, and the external wiring includes but is not limited to connecting wires for electronic equipment of rail transit equipment.
[0027] Furthermore, the outer surface of the panel 110 is opened with a mounting hole 120 corresponding to the port of the wire-loaded connector 210 for insertion, and first screws that are rotatably arranged on both sides of the port shell of the wire-loaded connector 210 and are screwed into the mounting hole 120. The PCBA mainboard 200 is first installed in the inner cavity of the chassis 100, and then the wire-loaded connector 210 is installed one by one with the mounting hole 120, and finally the overall assembly of the device is completed on the installation panel 110.
[0028] Furthermore, second screws 130 are rotatably provided around the panel 110 , and the second screws 130 are screwed to the side of the chassis 100 . The panel 110 can be easily removed from the chassis 100 by disassembling the second screws 130 .
[0029] Furthermore, a heat dissipation hole 140 is opened on the outer wall of the chassis 100 , and a dustproof net is provided on the surface of the heat dissipation hole 140 . When the PCBA mainboard 200 and the line-mounted connector 210 are working, they will generate a certain amount of heat, which will pass through the heat dissipation hole 140 .
[0030] Furthermore, the front side wall of the chassis 100 is provided with side handles 150 , and at least two side handles 150 are provided and are arranged symmetrically with respect to the chassis 100 , so as to facilitate the user to carry the chassis 100 by hand.
[0031] Furthermore, a plurality of mounting posts 160 are protruding from the bottom wall of the inner cavity of the chassis 100. The mounting posts 160 include support posts made of rubber material at the lower end and mounting blocks located at the top of the support posts. A third screw is screwed through the top of the PCBA mainboard 200. The third screw is screwed to the mounting block, so that the PCBA mainboard 200 is "suspended" as a whole inside the chassis 100 after installation, and its bottom is supported by support posts made of rubber material. When the chassis 100 is vibrated, the PCBA mainboard 200 is properly buffered and protected.
[0032] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A recorder for rail transit, characterized in that: include: A chassis (100), the chassis (100) being in the shape of a hollow frame with one side open, and a panel (110) being detachably mounted on the open side of the chassis (100); A PCBA motherboard (200), wherein a PCBA motherboard (200) is detachably mounted inside the chassis (100), and a plurality of wire-carrying connectors (210) connected to external wiring are arranged on the PCBA motherboard (200) via wiring harness terminals, and ports of the wire-carrying connectors (210) are detachably arranged on the outer surface of the panel (110).
2. A recorder for rail transit according to claim 1, characterized in that: The outer surface of the panel (110) is provided with a mounting hole (120) corresponding to the port of the line-mounted connector (210) for insertion, and first screws that are rotatably screwed to the mounting hole (120) are rotatably provided on both sides of the port housing of the line-mounted connector (210).
3. A recorder for rail transit according to claim 1, characterized in that: Second screws (130) are screwed and rotatably arranged around the panel (110), and the second screws (130) are screwed and rotatably connected to the side of the chassis (100).
4. A recorder for rail transit according to claim 1, characterized in that: The outer wall of the chassis (100) is provided with a heat dissipation hole (140), and a dustproof net is arranged on the surface of the heat dissipation hole (140).
5. A recorder for rail transit according to claim 1, characterized in that: The front side wall of the chassis (100) is provided with a side handle (150), and at least two side handles (150) are provided and are arranged in a left-right symmetrical manner with respect to the chassis (100).
6. A recorder for rail transit according to claim 1, characterized in that: A plurality of mounting posts (160) are protruding from the bottom wall of the inner cavity of the chassis (100), and the mounting posts (160) include support posts made of rubber material at the lower end and mounting blocks located at the top of the support posts. A third screw is screwed through the top of the PCBA mainboard (200), and the third screw is screwed to the mounting block.