Network video recorder for rail transit

Abstract

The utility model discloses a network video recorder for rail transit, which comprises a host and a hard disk cartridge, and the hard disk cartridge is matched with the host and embedded in the host. A guide groove is formed in the bottom of the hard disk box, a guide rail is correspondingly arranged on the host, and the hard disk box is embedded into the host in a sliding mode along the guide rail. The hard disk is simple in structure and convenient to assemble, and the hard disk is independently assembled, is embedded into the host in a matched manner and is convenient to replace and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of network video recorders, in particular to a network video recorder for rail transit. Background Art

[0002] Network Video Recorder, namely network video recorder, abbreviated as NVR. A network video recorder (NVR) is a device used in a network video monitoring system. As part of an on-vehicle network recording system, its main function is to receive digital video information transmitted by network cameras through the network, and at the same time store and manage it, so as to realize the advantages of a distributed architecture brought by networking. NVR usually works in cooperation with a video encoder or a network camera to complete the recording of digital video transmitted through the network. This device has shown extremely high value in a closed-circuit television (CCTV) system, especially in occasions where remote access and high-definition video recording are required. However, the NVRs currently used in the rail transit industry have problems such as a bulky appearance, high manufacturing costs, cumbersome steps for replacing the hard disk used therein, and poor maintainability. Content of the Utility Model

[0003] The technical problem solved by the utility model is to provide a network video recorder for rail transit with a simple structure, low manufacturing cost, and convenient assembly.

[0004] To solve the above technical problem, a technical solution adopted by the utility model is:

[0005] A network video recorder for rail transit, comprising: a main unit and a hard disk box, the hard disk box is matched with the main unit and embedded into the main unit.

[0006] Preferably, a guide groove is arranged at the bottom of the hard disk box, and a guide rail is correspondingly arranged on the main unit, and the hard disk box slides along the guide rail and is embedded into the main unit.

[0007] Preferably, the guide rail adopts a dovetail groove structure.

[0008] Preferably, the hard disk box comprises a hard disk box panel and a non-loosening member, and a handle and a hard disk box switch are arranged on the hard disk box panel;

[0009] The non-loosening member is installed on both sides of the hard disk box panel and corresponds to the threaded holes arranged on the main unit.

[0010] Preferably, a switch indicator light is arranged on the hard disk box panel.

[0011] Preferably, the hard disk enclosure switch is provided with a limiting rod, which cooperates with a limiting block arranged on the hard disk enclosure. In the working state, by rotating the limiting rod to one side of the limiting block, the limiting block will hold the limiting plate rod.

[0012] Preferably, the bottom of the hard disk enclosure is provided with a seismic interface, which is connected to the host interface for data.

[0013] Preferably, the host includes a host panel, side plates, and a cover plate. Grounding posts, a power supply, a network port, indicator lights, and a DB interface are arranged in an array on the host panel;

[0014] The side plates are made by sheet metal working technology, and the cover plate is made of profiles.

[0015] Preferably, the heat inside the host is conducted to the cover plate through a heat conducting device.

[0016] Preferably, elastic positioning is provided on the host, and installation points are provided on the hard disk enclosure. The elastic positioning cooperates with the installation points. When pulling out the hard disk enclosure, the elastic positioning serves as a buffer and locates the installation points at the same time.

[0017] The beneficial effects of the present utility model are as follows:

[0018] (1) A network video recorder for rail transit disclosed by the present utility model designs the hard disk enclosure as a structure that can be independently extracted. The hard disk enclosure, as an individual unit, can be independently assembled, replaced, and maintained. It is embedded into the host by an embedding method. Loose-proof screws are provided on the outside of the hard disk enclosure and correspond to threaded holes arranged on the host, which greatly facilitates the fixing or disassembly of the hard disk enclosure and solves the problem of cumbersome hard disk replacement steps.

[0019] (2) A network video recorder for rail transit disclosed by the present utility model has a guide groove provided at the bottom of the hard disk enclosure and a guide rail provided on the host. The guide groove and the guide rail cooperate, and the hard disk enclosure slides along the guide rail and is embedded into the host. The shape of the guide rail adopts a dovetail groove design, which has low cost and meets the requirement of smooth sliding at the same time.

[0020] (3) A network video recorder for rail transit disclosed by the present utility model, by setting a limiting rod and a limiting block on the hard disk enclosure switch, in the working state, rotating the limiting rod to one side of the limiting block, the limiting block holds the limiting plate rod. At this time, there is an additional barrier to prevent the hard disk enclosure from separating from the host, and it maximally hinders the accidental extraction operation in the working state.

[0021] (4) A network video recorder for rail transit disclosed by the present utility model has a seismic interface provided at the bottom of the hard disk enclosure, which is connected to the host interface for data. Through the use of a dovetail groove-style guide rail, elastic positioning, and loose-proof, and in cooperation with the use of the seismic interface, the seismic resistance of the hard disk enclosure is ensured. Description of the Drawings

[0022] Figure 1 is a schematic diagram of the overall structure of a network video recorder for rail transit according to the present utility model;

[0023] Figure 2 is a schematic diagram of the cooperation between the hard disk box and the host in a network video recorder for rail transit according to the present utility model;

[0024] Figure 3 is a schematic diagram of the structure of the hard disk box in a network video recorder for rail transit according to the present utility model;

[0025] Figure 4 is a schematic diagram of the guide rail in a network video recorder for rail transit according to the present utility model;

[0026] Figure 5 is a schematic diagram of the cooperation between the limit rod and the limit block on the hard disk box in a network video recorder for rail transit according to the present utility model;

[0027] Figure 6 is a schematic diagram of the internal connection between the hard disk box and the host in a network video recorder for rail transit according to the present utility model;

[0028] Figure 7 is a schematic diagram of a partial interior of a network video recorder for rail transit according to the present utility model;

[0029] Figure 8 is a schematic diagram of the interior of the hard disk box of a network video recorder for rail transit according to the present utility model;

[0030] Figure 9 is a schematic diagram of the cooperation between the elastic positioning and the installation point in a network video recorder for rail transit according to the present utility model;

[0031] The labels of the components in the drawings are as follows:

[0032] 1. Host; 2. Hard disk box; 3. Hard disk box panel; 4. Handle; 5. Hard disk box switch; 6. Loose-proof; 7. Host panel; 8. Side plate; 9. Cover plate; 10. Guide groove; 11. Guide rail; 12. Limit rod; 13. Limit block; 14. Anti-seismic interface; 15. Host interface; 16. Heat conduction device; 17. Elastic positioning; 18. Installation point. Detailed Embodiment

[0033] The following describes in detail the preferred embodiments of the present utility model with reference to the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0034] Embodiment:

[0035] This embodiment introduces the structure of a network video recorder for rail transit.

[0036] As Figure 1 , 2 shown, Figure 1 is a schematic diagram of the overall structure of a network video recorder for rail transit according to the present utility model, Figure 2 is a schematic diagram of the cooperation between the hard disk box and the host in a network video recorder for rail transit according to the present utility model.

[0037] A network video recorder for rail transit includes: a host 1 and a hard disk box 2. The hard disk box 2 cooperates with the host 1 and is embedded in the host 1.

[0038] Furthermore, the hard disk box 2 includes a hard disk box panel 3 and a non-loosening member 6. A handle 4 and a hard disk box switch 5 are provided on the hard disk box panel 3. The non-loosening member 6 is installed on both sides of the hard disk box panel 3 and corresponds to the threaded holes provided on the host 1. A switch indicator light is provided on the hard disk box panel 3.

[0039] Furthermore, the host 1 includes a host panel 7, side plates 8, and a cover plate 9. Grounding posts, a power supply, network ports, indicator lights, and DB interfaces are arranged on the host panel 7.

[0040] The side plates 8 are made by sheet metal working process, and the cover plate 9 is made of profiles, thus forming the outer shell of the host, which functions as a main structure for support and heat dissipation.

[0041] As Figure 3 , 4 shown, Figure 3 is a schematic diagram of the structure of the hard disk box in a network video recorder for rail transit according to the present utility model, Figure 4 is a schematic diagram of the guide rail in a network video recorder for rail transit according to the present utility model.

[0042] A guide groove 10 is provided at the bottom of the hard disk box 2, and correspondingly, a guide rail 11 is provided on the host 1. The guide groove 10 is in sliding fit with the guide rail 11, so as to realize the sliding of the hard disk box 2 along the guide rail 11 and be embedded in the host 1.

[0043] In this embodiment, the guide rail 11 adopts a dovetail groove structure, which meets the requirement of smooth sliding while having a low manufacturing cost.

[0044] In this embodiment, the hard disk enclosure is designed as a structure that can be independently extracted. As an independent individual, the hard disk enclosure can be independently assembled, replaced, and maintained. It is embedded into the host by an embedding method. The outside of the hard disk enclosure is provided with non-loosening screws, which correspond to the threaded holes provided on the host, greatly facilitating the fixing or disassembly of the hard disk enclosure and solving the problem of cumbersome hard disk replacement steps.

[0045] As Figure 5 shown, Figure 5 is a schematic diagram of the cooperation between the limiting rod and the limiting block on the hard disk enclosure in a network video recorder for rail transit according to the present utility model. The hard disk enclosure switch 5 is provided with a limiting rod 12, which cooperates with the limiting block 13 provided on the hard disk enclosure 2. In the working state, by rotating the limiting rod 12 to one side of the limiting block 13, the limiting block 12 clamps the limiting plate rod 13. At this time, there is an additional barrier to prevent the hard disk enclosure from detaching from the host, maximizing the prevention of accidental extraction operations during the working state.

[0046] As Figure 6 shown, Figure 6 is a schematic diagram of the internal connection between the hard disk enclosure and the host in a network video recorder for rail transit according to the present utility model. The bottom of the hard disk enclosure 2 is provided with a seismic interface 14, which is connected to the host interface 15 for data connection.

[0047] In this embodiment, between the hard disk enclosure and the host, by setting dovetail groove-style guide rails, elastic positioning, non-loosening, and cooperating with the use of the seismic interface, the seismic resistance of the hard disk enclosure is ensured, and the stability performance is improved.

[0048] As Figure 7 shown, Figure 7 is a partial internal schematic diagram of a network video recorder for rail transit according to the present utility model. The heat inside the host 1 is conducted to the cover plate 9 through the heat conduction device 16, thereby realizing the heat dissipation of the host.

[0049] As Figure 8 、 9 shown, Figure 8 is an internal schematic diagram of the hard disk enclosure of a network video recorder for rail transit according to the present utility model, Figure 9 is a schematic diagram of the cooperation between the elastic positioning and the installation point in a network video recorder for rail transit according to the present utility model.

[0050] The host 1 is provided with elastic positioning 17, and the hard disk enclosure 3 is provided with installation points 18. The elastic positioning 17 cooperates with the installation points 18. When pulling out the hard disk enclosure 3, the elastic positioning 17 acts as a buffer while positioning the installation points 18.

[0051] Through the above introduction, the network video recorder for rail transit provided by the present utility model has a simple structure, convenient assembly, reduces production costs, and is easy to maintain; the external shape design has a small volume and a flattened appearance design, which improves the aesthetics of the industrial NVR.

[0052] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied to other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A network video recorder for rail transit, characterized in that, Including: A main unit (1) and a hard disk box (2), the hard disk box (2) is matched with the main unit (1) and embedded into the main unit (1); The hard disk box (2) includes a hard disk box panel (3) and a non-removable fastener (6), a handle (4) and a hard disk box switch (5) are arranged on the hard disk box panel (3); The non-removable fastener (6) is installed on both sides of the hard disk box panel (3) and corresponds to the threaded holes arranged on the main unit (1); The hard disk box switch (5) is provided with a limiting rod (12), which is matched with a limiting block (13) arranged on the hard disk box (2). In the working state, by rotating the limiting rod (12) to one side of the limiting block (13), the limiting block (13) clamps the limiting rod (12).

2. The network video recorder for rail transit according to claim 1, wherein: A guide groove (10) is arranged at the bottom of the hard disk box (2), and a guide rail (11) is correspondingly arranged on the main unit (1). The hard disk box (2) slides along the guide rail (11) and is embedded into the main unit (1).

3. The network video recorder for rail transit according to claim 2, wherein: The guide rail (11) adopts a dovetail groove structure.

4. The network video recorder for rail transit according to claim 1, wherein: A switch indicator light is arranged on the hard disk box panel (3).

5. The network video recorder for rail transit according to claim 1, wherein: An anti-vibration interface (14) is arranged at the bottom of the hard disk box (2) and is connected to the main unit interface (15) for data connection.

6. The network video recorder for rail transit according to claim 1, wherein: The main unit (1) includes a main unit panel (7), a side plate (8) and a cover plate (9). Grounding posts, a power supply, a network port, an indicator light and a DB interface are arranged in a row on the main unit panel (7); The side plate (8) is made by sheet metal processing technology, and the cover plate (9) is made of profiles.

7. The network video recorder for rail transit according to claim 6, characterized in that: The heat inside the main unit (1) is conducted to the cover plate (9) through a heat conduction device (16).

8. The network video recorder for rail transit according to claim 1, wherein: An elastic positioning (17) is arranged on the main unit (1), and an installation point (18) is arranged on the hard disk box (2). The elastic positioning (17) is matched with the installation point (18). When the hard disk box (2) is pulled out, the elastic positioning (17) serves as a buffer and locates the installation point (18) at the same time.

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