A power distribution cabinet remote fault diagnosis device supporting multi-signal acquisition

Abstract

The utility model relates to power distribution equipment technical field discloses a kind of power distribution cabinet remote fault diagnosis devices of supporting multiple signal acquisition, including installation box and DTU diagnosis device host computer, the top and bottom of the rear end in the inside of installation box are respectively fixed with mounting bracket. The utility model is provided with installation box, DTU diagnosis device host computer, fixed wire holder, inner groove, fixed wire cylinder, locking ring and screw rod, when remote fault diagnosis device is installed, by being fixed in the inside rear of installation box to the installation of DTU diagnosis device host computer, when wiring operation is carried out to DTU diagnosis device host computer, by the front end installation of several fixed wire cylinders in fixed wire holder, wiring operation can be carried out by the wire harness through the opening inside card into fixed wire cylinder and then access in DTU diagnosis device host computer, several fixed wire cylinders arranged can be sequentially arranged and installed to wire harness, reduce the intersection between wire harness, improve wire harness installation aesthetic property while facilitating later convenient maintenance operation.

Description

Technical Field

[0001] This utility model relates to the field of power distribution equipment technology, specifically a remote fault diagnosis device for power distribution cabinets that supports multi-signal acquisition. Background Technology

[0002] The DTU (Distribution Unit) remote fault diagnosis device is an intelligent terminal device integrated into a power distribution automation system. It is primarily used for remote monitoring and fault diagnosis of power distribution facilities such as substations and ring main units. It can collect real-time monitoring signal data such as switch status, voltage, current, and power within the distribution cabinet, transmitting this data to the main station system via wireless networks (e.g., 5G / 4G). Through algorithmic analysis of abnormal electrical parameters (e.g., short circuits, overloads), it can automatically identify and isolate fault locations, while simultaneously restoring power to non-faulty sections, thus improving power supply reliability. However, during installation, the DTU device, which supports multi-signal acquisition, suffers from drawbacks. Multiple wiring harnesses can easily cross each other, resulting in messy wiring and hindering subsequent rapid maintenance operations. This makes wiring the diagnostic device inconvenient.

[0003] Now, a novel remote fault diagnosis device for power distribution cabinets that supports multi-signal acquisition is proposed to address the above-mentioned shortcomings. Utility Model Content

[0004] The purpose of this invention is to provide a remote fault diagnosis device for power distribution cabinets that supports multi-signal acquisition, so as to solve the problem mentioned in the background art that it is inconvenient to perform wiring operations on the diagnostic device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a remote fault diagnosis device for a power distribution cabinet that supports multi-signal acquisition, comprising a mounting box and a DTU diagnostic device host. Mounting brackets are fixed to the top and bottom of the rear end of the mounting box, and a DTU diagnostic device host is fixed between the front ends of the two sets of mounting brackets. A cable fixing frame is horizontally fixed to the bottom of the mounting box, and the cable fixing frame has an internal groove. Several cable fixing tubes are provided at the front end of the cable fixing frame, and a screw is fixed to the rear end of each cable fixing tube. A locking ring is provided on the screw, and an opening is provided inside the front end of each cable fixing tube.

[0006] As a further technical solution of this utility model, the inner groove penetrates the interior of the wire fixing frame, and the opening penetrates the interior of the front end of the wire fixing tube.

[0007] As a further technical solution of this utility model, the rear end of the screw penetrates the interior of the inner groove, the outside of the screw is provided with an external thread, and the locking ring is threadedly connected to the outside of the screw.

[0008] As a further technical solution of this utility model, a protective plate is provided on the right side of the front end of the DTU diagnostic device host, and a knob is provided at each of the four corners of the front end of the protective plate. Four sets of mounting feet are fixed on the right side of the front end of the DTU diagnostic device host.

[0009] As a further technical solution of this utility model, the knob is provided with an external thread on its outside, and the mounting foot is provided with an internal thread that mates with the external thread. The rear end of the knob passes through the interior of the protective plate and is threadedly connected to the interior of the mounting foot.

[0010] As a further technical solution of this utility model, a cooling fan is installed and fixed inside the top of the mounting box, side grooves are respectively provided inside the two sides of the mounting box, and several air inlet holes are provided inside the side grooves. A filter screen is provided inside the side grooves, and mounting bolts are respectively provided at the four corners on the right side of the filter screen. Mounting holes are respectively provided at the four corners inside the side grooves.

[0011] As a further technical solution of this utility model, the mounting bolt penetrates the interior of the filter screen and is threaded into the mounting hole.

[0012] As a further technical solution of this utility model, the front end of the installation box is provided with a box door, and the top and bottom ends of the left side of the box door are respectively fixed with fixing feet. The top and bottom of the left front end of the installation box are respectively fixed with fixing frames. The fixing feet are hinged to the inside of the fixing frames. The top and bottom sides of the rear end of the installation box are respectively welded and fixed with mounting plates, and the inside of the mounting plates is provided with internal holes. The inside of the box door is fixed with a viewing window.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By providing an installation box, a DTU diagnostic device host, a cable holder, an inner groove, a cable tube, a locking ring, and a screw, when installing the remote fault diagnosis device, after the DTU diagnostic device host is installed and fixed inside the installation box, when performing wiring operations on the DTU diagnostic device host, the cable tube is installed and fixed on the cable holder by inserting the cable tube's rear end fixing screw through the inner groove at the front end of the cable holder, and then using a locking ring to screw the cable tube into the rear end of the cable holder to abut against the rear end of the cable holder. During wiring operations, the wire harness can be inserted into the cable tube through the opening and then connected to the DTU diagnostic device host. The multiple cable tubes can arrange the wire harness in an orderly manner, reducing the crossing between wire harnesses, improving the aesthetics of the wire harness installation, and facilitating convenient maintenance operations in the future.

[0014] The diagnostic device is equipped with a mounting box, a DTU diagnostic device main unit, a protective plate, a knob, and mounting feet. When the diagnostic device is installed and used, the protective plate is installed and fixed on the outside of the display component at the front of the DTU diagnostic device main unit. The protective plate can provide auxiliary protection against impact and scratches to the outside of the display component at the front of the DTU diagnostic device main unit, reducing the possibility of damage to the display component.

[0015] The device is equipped with a mounting box, a cooling fan, side slots, an air inlet, a filter, mounting holes, and mounting bolts. When the device is installed and in use, the cooling fan is activated to draw out the hot air generated by the DTU diagnostic device host inside the mounting box during operation. At the same time, natural air from the outside can be drawn in through the air inlet. By accelerating the airflow speed outside the DTU diagnostic device host inside the mounting box, the heat generated during operation is carried away, thus assisting the device in cooling down. Attached Figure Description

[0016] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0017] Figure 2 This is a top view of a partial cross-sectional structure of the cable holder of this utility model;

[0018] Figure 3 This is a side enlarged structural schematic diagram of the wire-fixing tube of this utility model;

[0019] Figure 4 This is a partial sectional view of the structure of this utility model from the side.

[0020] Figure 5 This is a schematic diagram of a partial cross-sectional structure of the present invention.

[0021] Figure 6 This utility model Figure 4 A magnified structural diagram at point A in the diagram.

[0022] In the diagram: 1. Mounting plate; 2. Mounting box; 3. DTU diagnostic device main unit; 4. Mounting bracket; 5. Mounting foot; 6. Cooling fan; 7. Cable tray; 8. Inner groove; 9. Cable tray; 10. Protective plate; 11. Knob; 12. Mounting foot; 13. Locking ring; 14. Screw; 15. Box door; 16. Side groove; 17. Air inlet; 18. Filter screen; 19. Mounting hole; 20. Viewing window; 21. Mounting bolt; 22. Inner hole; 23. Mounting bracket; 24. Opening. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6 This utility model provides an embodiment: a remote fault diagnosis device for a power distribution cabinet that supports multi-signal acquisition, including a mounting box 2 and a DTU diagnostic device host 3. The top and bottom of the rear end of the mounting box 2 are respectively fixed with mounting brackets 23. The DTU diagnostic device host 3 is installed and fixed between the front ends of the two sets of mounting brackets 23. A wire fixing bracket 7 is horizontally installed and fixed at the bottom end of the mounting box 2. The wire fixing bracket 7 has an inner groove 8. The front end of the wire fixing bracket 7 is provided with several wire fixing tubes 9. The rear end of the wire fixing tube 9 is fixed with a screw 14. A locking ring 13 is provided on the screw 14. The front end of the wire fixing tube 9 has an opening 24.

[0025] The inner groove 8 penetrates the interior of the wire fixing frame 7, the opening 24 penetrates the interior of the front end of the wire fixing tube 9, the rear end of the screw 14 penetrates the interior of the inner groove 8, the screw 14 is provided with external threads, and the locking ring 13 is threaded to the outside of the screw 14.

[0026] Furthermore, the DTU diagnostic device host 3 includes a main control unit, a power module, a storage unit, a serial port interface, a network interface, and an input / output interface. The DTU diagnostic device host 3 is fully disclosed prior art, so it will not be described in detail.

[0027] Specifically, such as Figures 1-3 As shown, after the DTU diagnostic device host 3 is installed and fixed inside the mounting box 2, when performing wiring operations on the DTU diagnostic device host 3, the wire fixing screw 14 at the rear end of the wire fixing frame 7 is inserted through the inner groove 8, and the locking ring 13 is screwed into the outside of the screw 14 at the rear end of the wire fixing frame 7 to press against the rear end of the wire fixing frame 7. The wire fixing sleeve 9 can then be installed and fixed on the wire fixing frame 7. During the wiring operation, the wire harness can be inserted into the wire fixing sleeve 9 through the opening 24 and then connected to the DTU diagnostic device host 3. The wire harness can be arranged and installed in an orderly manner by using several wire fixing sleeves 9.

[0028] A protective plate 10 is provided on the right side of the front end of the DTU diagnostic device main unit 3, and a knob 11 is provided at each of the four corners of the front end of the protective plate 10. Four sets of mounting feet 12 are fixed on the right side of the front end of the DTU diagnostic device main unit 3. The knob 11 has an external thread on the outside, and the mounting feet 12 have an internal thread that mates with the external thread. The rear end of the knob 11 passes through the interior of the protective plate 10 and is threaded into the interior of the mounting feet 12.

[0029] Specifically, such as Figure 1 As shown, a protective plate 10 is installed and fixed on the outside of the display component at the front end of the DTU diagnostic device host 3. The protective plate 10 can be used to provide auxiliary outer cover protection against impact and scratches for the outside of the display component at the front end of the DTU diagnostic device host 3.

[0030] A cooling fan 6 is installed and fixed inside the top of the mounting box 2. Side grooves 16 are respectively provided inside the two sides of the mounting box 2, and several air inlets 17 are provided inside the side grooves 16. A filter screen 18 is provided inside the side grooves 16, and mounting bolts 21 are respectively provided at the four corners on the right side of the filter screen 18. Mounting holes 19 are respectively provided at the four corners inside the side grooves 16. The mounting bolts 21 pass through the inside of the filter screen 18 and are threaded into the mounting holes 19.

[0031] Specifically, such as Figure 1 , Figure 4 and Figure 6 As shown, by controlling the start of the cooling fan 6, the hot air generated by the DTU diagnostic device host 3 inside the mounting box 2 during operation is drawn outwards, while at the same time, outside natural air is drawn in through the air inlet 17. By accelerating the airflow speed outside the DTU diagnostic device host 3 inside the mounting box 2, the operating heat is carried away, assisting in the cooling of the device. At the same time, during the air intake process through the air inlet 17, the filter screen 18 can perform auxiliary dust filtration treatment on the drawn-in air, reducing the amount of dust entering the device.

[0032] The front end of the mounting box 2 is provided with a door 15, and the top and bottom of the left side of the door 15 are respectively fixed with fixing feet 5. The top and bottom of the left front end of the mounting box 2 are respectively fixed with fixing brackets 4. The fixing feet 5 and the inside of the fixing brackets 4 are hinged. The top and bottom of the rear end of the mounting box 2 are respectively welded and fixed with mounting plates 1, and the inside of the mounting plates 1 is provided with an inner hole 22. The inside of the door 15 is fixed with a viewing window 20.

[0033] Working Principle: During installation of the remote fault diagnosis device, after the DTU diagnostic device host 3 is fixed inside the mounting box 2, the wiring operation of the DTU diagnostic device host 3 is performed by inserting the fixing screw 14 at the rear end of the fixing tube 9 through the inner groove 8 at the front end of the fixing frame 7, and then screwing the locking ring 13 into the outside of the screw 14 at the rear end of the fixing frame 7 to secure it to the rear end of the fixing frame 7. During wiring, the wire harness can be inserted into the fixing tube 9 through the opening 24 and then connected to the DTU diagnostic device host 3. Several fixing tubes 9 can be used to arrange and install the wire harness in an orderly manner. When the device is working, it can collect real-time monitoring signal data such as switch status, voltage, current, and power in the distribution cabinet, and transmit it to the main station system via a wireless network such as 5G / 4G. It can also analyze abnormal electrical parameters such as short circuits and overloads through algorithms, automatically identify the fault location, and isolate it.

[0034] Simultaneously, during installation and use, the cooling fan 6 can be activated to extract the hot air generated by the DTU diagnostic device host 3 inside the mounting box 2 during operation, while simultaneously drawing in ambient air through the air inlet 17. By accelerating the airflow outside the DTU diagnostic device host 3 inside the mounting box 2, the operating heat is carried away, thus assisting in the device's heat dissipation and cooling. Furthermore, a protective plate 10 is installed and fixed to the outside of the display component at the front of the DTU diagnostic device host 3, providing auxiliary protection against impacts and scratches.

[0035] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A remote fault diagnosis device for a distribution cabinet supporting multi-signal acquisition, comprising a mounting box (2) and a DTU diagnostic device host (3), characterized in that: The top and bottom of the rear end of the mounting box (2) are respectively fixed with mounting brackets (23). The DTU diagnostic device host (3) is installed and fixed between the front ends of the two sets of mounting brackets (23). The bottom of the mounting box (2) is horizontally fixed with a cable holder (7). The cable holder (7) has an inner groove (8) inside. The front end of the cable holder (7) is provided with several cable tubes (9). The rear end of the cable tubes (9) is fixed with screws (14). The screws (14) are provided with locking rings (13). The front end of the cable tubes (9) has an opening (24).

2. The remote fault diagnosis device for power distribution cabinets supporting multi-signal acquisition according to claim 1, characterized in that: The inner groove (8) penetrates the interior of the wire fixing frame (7), and the opening (24) penetrates the interior of the front end of the wire fixing tube (9).

3. The remote fault diagnosis device for power distribution cabinets supporting multi-signal acquisition according to claim 1, characterized in that: The rear end of the screw (14) passes through the interior of the inner groove (8), and the screw (14) is provided with an external thread. The locking ring (13) is threaded to the outside of the screw (14).

4. The remote fault diagnosis device for power distribution cabinets supporting multi-signal acquisition according to claim 1, characterized in that: A protective plate (10) is provided on the right side of the front end of the DTU diagnostic device host (3), and a knob (11) is provided at each of the four corners of the front end of the protective plate (10). Four sets of mounting feet (12) are fixed on the right side of the front end of the DTU diagnostic device host (3).

5. A remote fault diagnosis device for a power distribution cabinet supporting multi-signal acquisition as described in claim 4, characterized in that: The knob (11) has an external thread on its exterior, and the mounting foot (12) has an internal thread that mates with the external thread. The rear end of the knob (11) passes through the interior of the guard plate (10) and is threaded into the interior of the mounting foot (12).

6. A remote fault diagnosis device for a power distribution cabinet supporting multi-signal acquisition as described in claim 1, characterized in that: A cooling fan (6) is installed and fixed inside the top of the mounting box (2). Side grooves (16) are respectively provided inside the two sides of the mounting box (2), and several air inlets (17) are provided inside the side grooves (16). A filter screen (18) is provided inside the side grooves (16), and mounting bolts (21) are respectively provided at the four corners on the right side of the filter screen (18). Mounting holes (19) are respectively provided at the four corners inside the side grooves (16).

7. A remote fault diagnosis device for a power distribution cabinet supporting multi-signal acquisition as described in claim 6, characterized in that: The mounting bolt (21) passes through the interior of the filter screen (18) and is threaded into the mounting hole (19).

8. A remote fault diagnosis device for a power distribution cabinet supporting multi-signal acquisition according to claim 1, characterized in that: The front end of the mounting box (2) is provided with a box door (15), and the top and bottom ends of the left side of the box door (15) are respectively fixed with fixing feet (5). The top and bottom of the left front end of the mounting box (2) are respectively fixed with fixing brackets (4). The fixing feet (5) are hinged to the inside of the fixing brackets (4). The top and bottom sides of the rear end of the mounting box (2) are respectively welded and fixed with mounting plates (1), and the inside of the mounting plates (1) is provided with an inner hole (22). The inside of the box door (15) is fixed with a viewing window (20).

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