Station terminal main control unit case

Abstract

The utility model relates to a station terminal master control unit case, which comprises a case body and a door cover arranged on the case body, a plurality of guide rail assemblies are arranged in the case body, and slots matched with plug-in boards are arranged on the guide rail assemblies; the box body comprises a bottom plate and a top plate, front mounting holes and rear mounting holes are formed in the bottom plate and / or the top plate, the front mounting holes are used for positioning the front portions of the guide rail assemblies, the rear mounting holes are used for positioning the rear portions of the guide rail assemblies, front mounting columns matched with the front mounting holes are arranged on the front portions of the guide rail assemblies, and rear mounting columns matched with the rear mounting holes are arranged on the rear portions of the guide rail assemblies. The rear portion of the guide rail assembly is provided with a rear installation column matched with the rear installation hole. According to the utility model, the position of the guide rail assembly can be adjusted by utilizing the insertion matching of the mounting columns and the mounting holes, the proper insertion position can be selected according to the thickness of the positioned plug-in board, the positions of the plug-in boards with different functions can be reasonably planned, the space in the case body is fully utilized, and the plug-in boards with different thicknesses and functions in the case can be combined and matched, so that the use is convenient. And functional requirements of different products are met.

Description

Technical Field

[0001] The utility model relates to a station terminal main control unit chassis, belonging to the technical field of power distribution equipment. Background Art

[0002] The station terminal (DTU) is mainly used in switchgear, ring network cabinets, distribution rooms and other equipment. It is used in conjunction with the distribution network master station to realize the collection and control of multiple lines. It can quickly and reliably realize fault detection, fault location, fault area isolation and power supply restoration in the non-fault area of ​​the distribution network, effectively improving power supply reliability.

[0003] The main control unit of the DTU (Data Transfer Unit) is the core of the station terminal. However, due to the structure of the existing chassis that accommodates the main control unit, the number of plug-in boards that can be accommodated in the chassis is limited. The main reason is that the thickness of plug-in boards with different functions will be different, and the positions of the plug-in boards in the chassis are all fixed and equidistant. There will be a waste of space occupied by thinner plug-in boards, and the limited space in the chassis cannot be effectively utilized. The number of plug-in boards that can be accommodated in the chassis is limited. If plug-in boards with similar functions and little difference in thickness are selected, this will result in the adapter board of the main control unit being relatively single. Due to certain functional restrictions, it cannot meet the personalized needs of some regions. Summary of the Invention

[0004] The utility model aims to solve the deficiencies in the prior art and provides a station terminal main control unit chassis.

[0005] The utility model solves the above technical problems with the following technical solutions: A station terminal main control unit chassis, comprising a chassis and a door cover arranged on the chassis, wherein the chassis is provided with a plurality of guide rail assemblies for positioning plug-in boards, and the guide rail assemblies are provided with slots adapted to the plug-in boards;

[0006] The box body includes a bottom plate and a top plate, the guide rail assembly is arranged on the bottom plate and / or the top plate, and the bottom plate and / or the top plate are each provided with at least one row of front mounting holes and at least one row of rear mounting holes, the front mounting holes are used to position the front of the guide rail assembly, and the rear mounting holes are used to position the rear of the guide rail assembly, the front of the guide rail assembly is provided with a front mounting column adapted to the front mounting hole, and the rear of the guide rail assembly is provided with a rear mounting column adapted to the rear mounting hole.

[0007] The beneficial effects of the present invention are as follows: the guide rail assembly is no longer a fixed structure, but can be plugged in by utilizing the cooperation between the mounting posts and the mounting holes; the position of the guide rail assembly is adjustable and easy to adjust; not only is the structure simple and the operation convenient, but also the appropriate plug-in position can be selected according to the thickness of the positioned plug-in board, the positions of plug-in boards with different functions can be reasonably planned, and the space inside the case can be fully utilized; plug-in boards of different thicknesses and functions in the case can be combined and matched to meet the functional requirements of different products.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, the box body is provided with a front crossbeam and a rear crossbeam, the front crossbeam is arranged at the front part of the bottom plate and / or top plate, the rear crossbeam is arranged at the rear part of the bottom plate and / or top plate, the front mounting hole is arranged on the front crossbeam, and the rear mounting hole is arranged on the rear crossbeam.

[0010] The beneficial effect of adopting the above further scheme is that the front crossbeam and the rear crossbeam can be installed on the bottom plate or the top plate respectively through fasteners, and the front and rear mounting holes are respectively arranged on the front and rear crossbeams, which not only can achieve stable positioning of the guide rail assembly, but also will not affect the box strength of the chassis.

[0011] Furthermore, the box body also includes side panels located on its left and right sides, and the door cover is connected to the side panels through an extension panel. One end of the door cover is hinged to the extension panel on one side, and the other end is connected to the extension panel on the other side through a door lock.

[0012] The beneficial effect of adopting the above-mentioned further scheme is that the expansion board can increase the space between the cabinet and the door cover. The thickness of the required display LCD panel is different. The expansion space can reserve sufficient installation space for the installation of the LCD panel, avoiding the interference of the guide rail assembly when the thicker LCD panel is installed on the door cover when it is closed. The expansion space can also reserve space for front wiring, and at the same time, it is convenient for the plug-in and installation of the plug-in board in the chassis after the door cover is opened.

[0013] Furthermore, a positioning assembly is provided between the door cover and the box body or the expansion board.

[0014] The beneficial effect of adopting the above further solution is that the positioning component can position the door cover when it is closed. It not only has a positioning function, but also plays a supporting role after the door is closed, preventing the hinge of the chassis from falling and deforming during transportation.

[0015] Furthermore, the positioning assembly includes a positioning pin hole and a positioning pin column, the positioning pin column is correspondingly arranged on the door cover, and the positioning pin hole is arranged on the box body or the expansion plate.

[0016] The beneficial effect of adopting the above-mentioned further scheme is that when the door cover is closed, the positioning pin can be inserted into the positioning pin hole, and the lock plate of the door lock cooperates with the lock hole of the box body or expansion board to limit the front and rear positions of the door cover, and the positioning pin cooperates with the positioning pin hole to position and support the upper and lower positions of the door cover, thereby ensuring that the door cover deformation problem is avoided during transportation of the chassis.

[0017] Furthermore, the door cover includes a front cover plate and a rear cover plate, and a plurality of adjustment mechanisms for adjusting the distance between the rear cover plate and the front cover plate are provided between the rear cover plate and the front cover plate.

[0018] The beneficial effect of adopting the above further solution is that there is a display screen on the door cover, and the thickness of the LCD panel will vary due to different needs. In order to meet the sizes of LCDs of different thicknesses, the distance between the front and rear covers can be adjusted to meet subsequent usage requirements.

[0019] Furthermore, the adjustment mechanism includes a positioning nut, an adjusting column and an adjusting bolt. The positioning nut is installed on the front cover plate. One end of the adjusting column is provided with an external thread that matches the positioning nut, and the other end is provided with an internal thread connected to the adjusting bolt. The rod of the adjusting bolt passes through the rear cover plate and is threadedly connected to the adjusting column.

[0020] The beneficial effect of adopting the above further solution is that during adjustment, the adjustment column is fixed to the positioning screw sleeve, and the desired plate can be positioned between the adjustment column and the positioning screw sleeve. Then, the rear cover is buckled, and the rod of the adjustment bolt passes through the through hole in the rear cover and is threadedly connected to the adjustment column, completing the installation of the door cover. The spacing between the rear cover and the front cover can be adjusted according to actual needs. For example, the adjustment column can be selected with an appropriate length based on the spacing between the rear cover and the front cover to meet the cavity space requirements within the door cover.

[0021] Furthermore, the door cover is connected to the box body via a hinge.

[0022] The beneficial effect of adopting the above further solution is that the door cover and the box body are connected by the hinge, meeting the demand of rotating the door cover to open and close.

[0023] Furthermore, the door cover is provided with a plurality of indicator lights.

[0024] The beneficial effect of adopting the above further solution is that the chassis can have a power indicator light, an operation indicator light, an alarm indicator light, a fault indicator light, etc. For example, the presence of the fault indicator light enables the staff to determine the fault location more quickly, so as to take corresponding measures in time to avoid safety hazards.

[0025] Furthermore, it also includes a coating that can cover the surface of the door cover, and the coating has indicator light windows at positions corresponding to required indicator lights.

[0026] The beneficial effect of adopting the above-mentioned further scheme is that when the door cover of the chassis is initially processed, multiple indicator light holes can be processed according to various functional requirements. During actual operation, the chassis will require corresponding indicator lights according to different working requirements. Therefore, a suitable coating can be selected according to the corresponding function. The unnecessary indicator lights can be sealed and covered by the coating and not displayed. For the indicator lights that need to be displayed, holes are opened at the corresponding positions on the coating to meet the corresponding indicator light requirements of the chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0029] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure along the AA direction;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model;

[0031] Figure 5 This is a structural diagram of the door cover of the present invention in an open state;

[0032] Figure 6 This is a schematic diagram of the three-dimensional structure of the utility model with the door cover removed;

[0033] Figure 7 for Figure 6 Schematic diagram of the main structure;

[0034] Figure 8 This is a structural diagram of the utility model in the laminating state;

[0035] In the figure, 1. Box body; 11. Bottom plate; 12. Top plate; 13. Side plate; 14. Front mounting hole; 15. Rear mounting hole; 16. Front crossbeam; 17. Rear crossbeam; 2. Door cover; 21. Front cover plate; 22. Rear cover plate; 23. Positioning screw sleeve; 24. Adjusting column; 25. Adjusting bolt; 3. Guide rail assembly; 31. Slot; 32. Front mounting column; 33. Rear mounting column; 4. Extension plate; 5. Door lock; 51. Lock plate; 6. Lock hole; 7. Positioning pin column; 8. Positioning pin hole; 9. Lamination. DETAILED DESCRIPTION

[0036] The principles and features of the present invention are described below with reference to examples. The examples are only used to explain the present invention and are not used to limit the scope of the present invention.

[0037] like Figures 1-8As shown, a station terminal main control unit chassis includes a box body 1 and a door cover 2 provided on the box body 1. The box body 1 is provided with a plurality of guide rail assemblies 3 for positioning plug-in boards. The guide rail assemblies 3 are provided with slots 31 adapted to the plug-in boards.

[0038] The box body 1 includes a bottom plate 11 and a top plate 12, and the guide rail assembly 3 is arranged on the bottom plate 11 / and the top plate 12. The bottom plate 11 and / or the top plate 12 are each provided with at least one row of front mounting holes 14 and at least one row of rear mounting holes 15. The front mounting holes 14 are used to position the front of the guide rail assembly 3, and the rear mounting holes 15 are used to position the rear of the guide rail assembly 3. The front of the guide rail assembly 3 is provided with a front mounting column 32 adapted to the front mounting hole 14, and the rear of the guide rail assembly 3 is provided with a rear mounting column 33 adapted to the rear mounting hole 15.

[0039] The case 1 is provided with a front crossbeam 16 and a rear crossbeam 17. The front crossbeam 16 is disposed at the front portion of the bottom plate 11 and / or the top plate 12, and the rear crossbeam 17 is disposed at the rear portion of the bottom plate 11 and / or the top plate 12. The front mounting holes 14 are disposed on the front crossbeam 16, and the rear mounting holes 15 are disposed on the rear crossbeam 17. The front crossbeam 16 and the rear crossbeam 17 can be mounted on the bottom plate 11 or the top plate 12, respectively, using fasteners. The front and rear mounting holes 15 are disposed on the front and rear crossbeams 17, respectively, which not only achieves stable positioning of the guide rail assembly 3 but also does not affect the strength of the case 1.

[0040] The housing 1 also includes side panels 13 on its left and right sides. The door cover 2 is connected to the side panels 13 via expansion panels 4. One end of the door cover 2 is hinged to the expansion panel 4 on one side, and the other end is connected to the expansion panel 4 on the other side via a door lock 5. The expansion panels 4 increase the space between the housing 1 and the door cover 2. The required LCD panels vary in thickness, and this expansion space allows for sufficient installation space to prevent interference from the guide rail assembly 3 when thicker LCD panels are installed on the door cover 2 when closed. This expansion space also allows for front wiring and facilitates the insertion and removal of plug-in boards within the chassis when the door cover 2 is opened.

[0041] The door lock 5 includes a locking piece 51, and the expansion plate 4 is correspondingly provided with a locking hole 6 for inserting the locking piece 51. In order to meet the requirement of rotating the locking piece 51 into the locking hole 6, the locking hole 6 is generally designed as a long through hole.

[0042] A positioning assembly is also provided between the door cover 2 and the chassis 1 or the expansion board 4. The positioning assembly can position the door cover 2 when it is closed. It not only has a positioning function, but also plays a supporting role after the door is closed, preventing the hinge from falling and deforming during transportation of the chassis.

[0043] The positioning assembly includes a positioning pin hole 8 and a positioning pin 7. The positioning pin 7 is correspondingly provided on the door cover 2, and the positioning pin hole 8 is provided on the chassis 1 or the expansion board 4. When the door cover 2 is closed, the positioning pin 7 can be inserted into the positioning pin hole 8. The lock piece 51 of the door lock 5 cooperates with the lock hole 6 of the chassis 1 or the expansion board 4 to limit the front and rear position of the door cover 2. The cooperation of the positioning pin 7 and the positioning pin hole 8 can position and support the upper and lower positions of the door cover 2, thereby ensuring that the door cover 2 does not deform during transportation of the chassis.

[0044] The door cover 2 includes a front cover plate 21 and a rear cover plate 22. Multiple adjustment mechanisms are provided between the rear cover plate 22 and the front cover plate 21 for adjusting the distance between the rear cover plate 22 and the front cover plate 21. The door cover 2 has a display screen. The thickness of the liquid crystal panel varies depending on the requirements. To accommodate different liquid crystal thicknesses, the distance between the front and rear cover plates 22 is adjustable to meet subsequent usage requirements.

[0045] The adjustment mechanism includes a positioning nut 23, an adjustment column 24 and an adjustment bolt 25. The positioning nut 23 is installed on the front cover 21. One end of the adjustment column 24 is provided with an external thread that matches the positioning nut 23, and the other end is provided with an internal thread connected to the adjustment bolt 25. The rod of the adjustment bolt 25 passes through the rear cover 22 and is threadedly connected to the adjustment column 24.

[0046] During adjustment, the adjusting post 24 is fixed to the positioning screw sleeve 23. The desired plate can be positioned between the adjusting post 24 and the positioning screw sleeve 23. Then, the rear cover 22 is fastened, and the rod of the adjusting bolt 25 is passed through the through hole in the rear cover 22 and threadedly connected to the adjusting post 24, completing the installation of the door cover 2. The distance between the rear cover 22 and the front cover 21 can be adjusted according to actual needs. For example, the adjusting post 24 can be selected with an appropriate length based on the distance between the rear cover 22 and the front cover 21 to meet the cavity space requirements within the door cover 2.

[0047] The door cover 2 is connected to the box body 1 through a hinge. The door cover 2 and the box body 1 are connected through the hinge to meet the needs of the door cover 2 being opened and closed by rotation.

[0048] The door cover 2 is provided with a plurality of indicator lights. The chassis may have a power indicator light, an operation indicator light, an alarm indicator light, a fault indicator light, etc. For example, the presence of the fault indicator light enables the staff to more quickly determine the fault location, thereby taking corresponding measures in time to avoid safety hazards.

[0049] The cover 2 further includes a coating 9 capable of covering the surface of the door cover 2. The coating 9 has indicator light windows at positions corresponding to required indicator lights. During initial processing of the door cover 2 of the chassis, multiple indicator light holes may be machined in accordance with various functional requirements. During actual operation, the chassis may require corresponding indicator lights according to different operating requirements. Therefore, a suitable coating 9 may be selected based on the corresponding function. The coating 9 can be used to seal and cover unnecessary indicator lights, while holes are opened in corresponding positions on the coating 9 for indicator lights that need to be displayed to meet the corresponding indicator light requirements of the chassis.

[0050] The guide rail assembly 3 in the chassis of the terminal main control unit of the utility model is no longer a fixed structure, but is provided with front mounting holes 14 and rear mounting holes 15 corresponding to the front and rear sides. The guide rail assembly 3 is positioned in the chassis by inserting its front mounting columns 32 and rear mounting columns 33 into the front mounting holes 14 and rear mounting holes 15. Multiple guide rail assemblies 3 are arranged in parallel in the chassis. The positions of the guide rail assemblies 3 can be adjusted, and the adjustment is very convenient. The installation positions of different plug-in boards in the chassis can be reasonably planned according to the plug-in boards of different thicknesses, and the space in the chassis is fully utilized. Plug-in boards of different thicknesses and functions in the chassis can be combined and matched to meet the functional requirements of different products.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A station terminal main control unit chassis, characterized in that: The invention comprises a box body (1) and a door cover (2) arranged on the box body (1); a plurality of guide rail assemblies (3) for positioning plug-in boards are arranged in the box body (1); and slots (31) adapted to the plug-in boards are provided on the guide rail assemblies (3); The box body (1) comprises a bottom plate (11) and a top plate (12); the guide rail assembly (3) is arranged on the bottom plate (11) and / or the top plate (12); the bottom plate (11) and / or the top plate (12) are both provided with at least one row of front mounting holes (14) and at least one row of rear mounting holes (15); the front mounting holes (14) are used to position the front of the guide rail assembly (3); the rear mounting holes (15) are used to position the rear of the guide rail assembly (3); the front of the guide rail assembly (3) is provided with a front mounting column (32) adapted to the front mounting hole (14); and the rear of the guide rail assembly (3) is provided with a rear mounting column (33) adapted to the rear mounting hole (15).

2. The station terminal main control unit chassis according to claim 1, characterized in that: The box body (1) is provided with a front crossbeam (16) and a rear crossbeam (17); the front crossbeam (16) is arranged at the front portion of the bottom plate (11) and / or the top plate (12); the rear crossbeam (17) is arranged at the rear portion of the bottom plate (11) and / or the top plate (12); the front mounting hole (14) is arranged on the front crossbeam (16); and the rear mounting hole (15) is arranged on the rear crossbeam (17).

3. The station terminal main control unit chassis according to claim 1 or 2, characterized in that: The box body (1) further comprises side panels (13) located on the left and right sides thereof, the door cover (2) is connected to the side panels (13) via an extension panel (4), one end of the door cover (2) is hinged to the extension panel (4) on one side, and the other end is connected to the extension panel (4) on the other side via a door lock (5).

4. The station terminal main control unit chassis according to claim 3, characterized in that: A positioning assembly is also provided between the door cover (2) and the box body (1) or the expansion board (4).

5. The station terminal main control unit chassis according to claim 4, characterized in that: The positioning assembly comprises a positioning pin hole (8) and a positioning pin column (7), wherein the positioning pin column (7) is correspondingly arranged on the door cover (2), and the positioning pin hole (8) is arranged on the box body (1) or the expansion board (4).

6. The station terminal main control unit chassis according to claim 1 or 2, characterized in that: The door cover (2) comprises a front cover plate (21) and a rear cover plate (22), and a plurality of adjustment mechanisms for adjusting the distance between the rear cover plate (22) and the front cover plate (21) are provided between the rear cover plate (22) and the front cover plate (21).

7. The station terminal main control unit chassis according to claim 6, characterized in that: The adjustment mechanism comprises a positioning screw sleeve (23), an adjustment column (24) and an adjustment bolt (25); the positioning screw sleeve (23) is mounted on the front cover (21); one end of the adjustment column (24) is provided with an external thread matched with the positioning screw sleeve (23); the other end is provided with an internal thread connected to the adjustment bolt (25); the rod of the adjustment bolt (25) passes through the rear cover (22) and is threadedly connected to the adjustment column (24).

8. The station terminal main control unit chassis according to claim 1 or 2, characterized in that: The door cover (2) is connected to the box body (1) via a hinge.

9. The station terminal main control unit chassis according to claim 1 or 2, characterized in that: The door cover (2) is provided with a plurality of indicator lights.

10. The station terminal main control unit chassis according to claim 9, characterized in that: It also includes a coating (9) capable of covering the surface of the door cover (2), and the coating (9) is provided with an indicator light window at a position corresponding to a required indicator light.

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