Optical cable on-line monitoring system master control unit protection module

Abstract

The utility model discloses a main control unit protection module of an optical cable on-line monitoring system, which relates to the technical field of optical cable on-line monitoring systems and comprises an optical cable monitoring control board and a main control unit chip arranged on the surface of the optical cable monitoring control board, and a watchdog circuit is arranged on the surface of the optical cable monitoring control board. The watchdog circuit is connected and matched with the main control unit chip, the outer side of the main control unit chip is covered with an electromagnetic shielding cover, the outer side of the electromagnetic shielding cover is provided with a plurality of vertical rods, and a positioning quick-release mechanism used for limiting the position of the electromagnetic shielding cover is arranged between the vertical rods and the electromagnetic shielding cover. According to the utility model, under the protection of the electromagnetic shielding cover, the main control unit can be prevented from external electromagnetic interference in the operation process as much as possible, so that the optical cable monitoring work can be continuously and stably carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cable online monitoring systems, in particular to a main control unit protection module of an optical cable online monitoring system. Background Art

[0002] As an intelligent system for maintaining optical cable networks, the optical cable monitoring system needs to work for a long time without faults in an unmanned communication room. The reliability of the main control unit, as the core component of the system, directly determines the reliability of the entire optical cable monitoring system. Therefore, a protection module will be set up to effectively protect the main control unit.

[0003] After searching, the patent document with announcement number CN206673966U discloses a multiple protection module for the main control unit of an optical cable online monitoring system. By adding multiple protection modules, when the main control unit of the optical cable online monitoring system crashes due to external interference or its own program abnormality, the protection module can restart the main control unit through an external reset signal, ensuring that the optical cable online monitoring system can operate reliably for a long time in an unmanned communication room, greatly improving the reliability and stability of the system.

[0004] However, the above protection module mainly protects the control circuit of the main control unit, and cannot effectively protect the main control unit from electromagnetic interference, thereby reducing the protection effect of the main control unit. Utility Model Content

[0005] In view of the above problems existing in the protection module of the main control unit of the existing optical cable online monitoring system, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a main control unit protection module for an optical cable online monitoring system, which solves the problem that the above protection module mainly protects the control circuit of the main control unit and cannot effectively protect the main control unit from electromagnetic interference.

[0007] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0008] A main control unit protection module for an optical cable online monitoring system includes an optical cable monitoring control board and a main control unit chip disposed on the surface of the optical cable monitoring control board. A watchdog circuit is disposed on the surface of the optical cable monitoring control board, the watchdog circuit is connected to the main control unit chip, and an electromagnetic shield is disposed on the outer cover of the main control unit chip.

[0009] A plurality of vertical rods are provided on the outer side of the electromagnetic shielding cover, and a positioning quick-release mechanism for limiting the position of the electromagnetic shielding cover is provided between the vertical rods and the electromagnetic shielding cover.

[0010] Preferably, the positioning quick-release mechanism includes a card plate, which is fixed to the upper end of the outer wall of the vertical rod and covers the outer side of the electromagnetic shielding cover. The lower end of the vertical rod is fixed with two symmetrically arranged plastic card blocks. The top of the optical cable monitoring control board is provided with a rotation groove that matches the lower end of the vertical rod, and both sides of the inner wall of the rotation groove are provided with card slots that match the plastic card blocks.

[0011] The rod wall of the vertical rod is provided with an elastic pushing mechanism for limiting the supporting position of the vertical rod.

[0012] Preferably, the elastic pushing mechanism includes a mounting plate, which is in contact with and cooperates with the surface of the optical cable monitoring and control board, and has a positioning bolt threaded through it and the optical cable monitoring and control board. An arc-shaped telescopic rod is fixed on the top of the mounting plate, and a limit spring is provided on the upper end fixing sleeve of the arc-shaped telescopic rod.

[0013] Preferably, a pushing slope is provided on the upper end of the clamping plate away from the electromagnetic shielding cover.

[0014] Furthermore, the vertical rod and the two plastic blocks are integrally injection-molded.

[0015] Preferably, the electromagnetic shielding cover is a stainless steel electromagnetic shielding cover.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The utility model is provided with a main control unit chip, an electromagnetic shielding cover, a vertical rod, a positioning quick-release mechanism, and an elastic push-up mechanism. Under the protection of the electromagnetic shielding cover, the main control unit can be protected as much as possible from external electromagnetic interference during operation, so that the optical cable monitoring work can be carried out continuously and stably.

[0018] 2. The utility model can quickly disassemble and repair the internal components of the positioning quick-release mechanism and the elastic ejection mechanism through the provided rotation groove, mounting plate and positioning bolt, thereby improving the overall convenience of use of the protection module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2This is a side sectional view of the optical cable monitoring control board, main control unit chip and electromagnetic shielding cover of the utility model;

[0022] Figure 3 For the utility model Figure 1 A magnified schematic diagram of part A;

[0023] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of part B;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the vertical rod and the clamping plate of the present utility model.

[0025] Description of reference numerals:

[0026] 1. Optical cable monitoring control board; 2. Main control unit chip; 3. Watchdog circuit; 4. Electromagnetic shielding cover; 5. Vertical rod; 6. Card plate; 7. Plastic card block; 8. Rotation slot; 9. Card slot; 10. Mounting plate; 11. Positioning bolt; 12. Arc-shaped telescopic rod; 13. Limit spring; 14. Push ramp. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The embodiment of the utility model discloses a main control unit protection module of an optical cable online monitoring system.

[0029] Example 1

[0030] The utility model provides Figure 1-5 The main control unit protection module of the optical cable online monitoring system shown includes an optical cable monitoring control board 1 and a main control unit chip 2 provided on the surface of the optical cable monitoring control board 1. A watchdog circuit 3 is provided on the surface of the optical cable monitoring control board 1. The watchdog circuit 3 is connected to the main control unit chip 2. The outer cover of the main control unit chip 2 is provided with an electromagnetic shielding cover 4, which is a stainless steel electromagnetic shielding cover.

[0031] A plurality of vertical rods 5 are provided on the outside of the electromagnetic shielding cover 4. The rod wall of the vertical rod 5 is provided with an elastic pushing mechanism for limiting the supporting position of the vertical rod 5. The elastic pushing mechanism includes a mounting plate 10. The mounting plate 10 contacts and cooperates with the surface of the optical cable monitoring and control board 1, and a positioning bolt 11 is threaded through the mounting plate 10 and the optical cable monitoring and control board 1. An arc-shaped telescopic rod 12 is fixed on the top of the mounting plate 10, and a limit spring 13 is provided on the upper end fixing sleeve of the arc-shaped telescopic rod 12.

[0032] When the optical cable monitoring control board 1 is in use, the main control unit chip 2 is protected by the watchdog circuit 3. At the same time, an electromagnetic shielding cover 4 is provided on the outer cover of the main control unit chip 2. The shielding cover effectively protects the main control unit from electromagnetic interference, thereby completing multiple protections for the main control unit.

[0033] When the electromagnetic shielding cover 4 is set, multiple vertical rods 5 are set on the outside of the electromagnetic shielding cover 4 to provide lateral support for the electromagnetic shielding cover 4. Under the elastic force of the arc-shaped telescopic rod 12 and the limit spring 13, the electromagnetic shielding cover 4 can be laterally stably clamped, the position of the electromagnetic shielding cover 4 can be determined, and the electromagnetic shielding cover 4 can be quickly disassembled.

[0034] Example 2

[0035] Example 2 is based on Example 1 in order to be able to quickly install and disassemble the electromagnetic shielding cover 4, such as Figure 2-5 As shown, a positioning quick-release mechanism for limiting the position of the electromagnetic shielding cover 4 is provided between the vertical rod 5 and the electromagnetic shielding cover 4. The positioning quick-release mechanism includes a card plate 6, which is fixed to the upper end of the outer wall of the vertical rod 5 and covers the outer side of the electromagnetic shielding cover 4. Two symmetrically arranged plastic card blocks 7 are fixed to the lower end of the vertical rod 5. The vertical rod 5 and the two plastic card blocks 7 are injection molded as one piece. A rotating groove 8 is provided on the top of the optical cable monitoring control board 1 to match the lower end of the vertical rod 5. Card slots 9 for fitting the plastic card blocks 7 are provided on both sides of the inner wall of the rotating groove 8. A pushing slope 14 is provided on the upper end of the card plate 6 away from the electromagnetic shielding cover 4.

[0036] When installing the electromagnetic shielding cover 4, the electromagnetic shielding cover 4 is directly put on the outside of the main control unit chip 2 from top to bottom. During the downward movement of the electromagnetic shielding cover 4, the lower side of the electromagnetic shielding cover 4 and the pushing inclined surfaces 14 of multiple card plates 6 push each other, so that the card plates 6 are pushed and push the vertical rod 5. At this time, the vertical rod 5 cooperates with the rotation of the plastic card block 7 and the rotating groove 8 to push the arc-shaped telescopic rod 12 and the limit spring 13, so that the space between the multiple vertical rods 5 is opened and the shielding cover is stably arranged on the outside of the main control unit chip 2. When the position of the electromagnetic shielding cover 4 is determined, under the elastic force recovery of the limit spring 13, the arc-shaped telescopic rod 12 pushes the vertical rod 5 so that the vertical rod 5 and the card plate 6 quickly rotate to their original position, thereby laterally clamping and limiting the electromagnetic shielding cover 4 to ensure the stability of the electromagnetic shielding cover 4.

[0037] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A main control unit protection module of an optical cable online monitoring system, comprising an optical cable monitoring control board (1) and a main control unit chip (2) arranged on the surface of the optical cable monitoring control board (1), characterized in that: A watchdog circuit (3) is provided on the surface of the optical cable monitoring control board (1), the watchdog circuit (3) is connected and matched with the main control unit chip (2), and an electromagnetic shielding cover (4) is provided on the outer cover of the main control unit chip (2); A plurality of vertical rods (5) are provided on the outside of the electromagnetic shielding cover (4), and a positioning quick-release mechanism for limiting the position of the electromagnetic shielding cover (4) is provided between the vertical rods (5) and the electromagnetic shielding cover (4).

2. The optical cable online monitoring system main control unit protection module according to claim 1, characterized in that: The positioning quick-release mechanism includes a card plate (6), the card plate (6) is fixedly arranged on the upper end of the outer wall of the vertical rod (5) and is covered on the outer side of the electromagnetic shielding cover (4), the lower end of the vertical rod (5) is fixedly provided with two symmetrically arranged plastic card blocks (7), the top of the optical cable monitoring control board (1) is provided with a rotation groove (8) that is matched with the lower end of the vertical rod (5), and both sides of the inner wall of the rotation groove (8) are provided with card slots (9) that are matched with the plastic card blocks (7) for insertion; The rod wall of the vertical rod (5) is provided with an elastic pushing mechanism for limiting the supporting position of the vertical rod (5).

3. The optical cable online monitoring system main control unit protection module according to claim 2, characterized in that: The elastic pushing mechanism comprises a mounting plate (10), the mounting plate (10) contacts and cooperates with the surface of the optical cable monitoring control panel (1), and a positioning bolt (11) is threadedly passed through the mounting plate (10) and the optical cable monitoring control panel (1); an arc-shaped telescopic rod (12) is fixedly provided on the top of the mounting plate (10), and a limit spring (13) is fixedly provided on the upper end of the arc-shaped telescopic rod (12).

4. The optical cable online monitoring system main control unit protection module according to claim 2, characterized in that: A pushing slope (14) is provided on the upper end of the clamping plate (6) on a side away from the electromagnetic shielding cover (4).

5. The optical cable online monitoring system main control unit protection module according to claim 1, characterized in that: The vertical rod (5) and the two plastic blocks (7) are integrally injection-molded.

6. The optical cable online monitoring system main control unit protection module according to claim 1, characterized in that: The electromagnetic shielding cover (4) is a stainless steel electromagnetic shielding cover.

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