Convenient-to-install grounding diagnosis device for transformer substation
By using the mounting components of the disc and connecting rod, as well as the fixing components of the plug rod and limit ring, the problem of inconvenient installation of grounding diagnostic devices for substations in switchgear is solved, enabling a fast and convenient installation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-24
AI Technical Summary
Existing substation grounding diagnostic devices are inconvenient to install in switchgear, and the use of bolt fixing methods results in limited space and installation difficulties.
The installation components include a disc and a connecting rod, which enable quick installation by rotating the disc and pushing the insert plate; the fixing components include an insert rod and a limit ring, which fixes the switch cabinet by fitting the limit ring, thereby improving installation efficiency.
The ability to quickly install the device in a limited space improves its practicality and convenience, and simplifies the installation process.
Smart Images

Figure CN224036859U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grounding diagnosis device, specifically be a transformer substation with grounding diagnosis device of easy installation. BACKGROUND
[0002] SPGD-12 type transformer substation distributed single-phase grounding intelligent diagnosis device, inside is a complete function feeder single-phase grounding fault research function module, can be installed in the switch cabinet secondary instrument room has the place of spare, gathers three-phase current and three-phase voltage signal (require that the outgoing line switch cabinet has installed three-phase CT) on the terminal, carries out high -speed sampling analysis, uses steady -state quantity, transient quantity, wavelet, harmonic and so on various analysis method and adopts single-phase grounding fault intelligent detection algorithm based on information fusion, selects different effective criterion, judges whether the switch load side occurs grounding fault, and can completely avoid misjudgment through various anti -misjudgment measures on algorithm.
[0003] The patent announcement number "CN212723168U" discloses a kind of distribution network unidirectional grounding fault on-site diagnosis device, including main body, main body is equipped with box, display screen, terminal block and pilot lamp, display screen, terminal block and pilot lamp are all set to the side of the box;Further include dustproof assembly, dustproof assembly includes fixed plate, control piece and sheltering piece, fixed plate is set to the side of terminal block.
[0004] As shown in the above technology, the existing grounding diagnosis device for transformer substation needs to be installed in the switch cabinet when in use, and the installation mode is usually fixed by bolts, but the space available in the switch cabinet is limited, so that the grounding diagnosis device is inconvenient to install. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a grounding diagnosis device for transformer substation, which is convenient to install, and solves the problem that the existing grounding diagnosis device for transformer substation is inconvenient to install in the switch cabinet.
[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a grounding diagnosis device for transformer substation convenient to install includes switch cabinet and diagnosis device body, the diagnosis device body is installed in the interior of switch cabinet through mounting mechanism, the mounting mechanism includes mounting assembly, left and right two mounting plates and four fixed assemblies;
[0007] The mounting assembly includes a disc, the disc is rotatably connected to the bottom of the diagnosis device body, the bottom of the disc is rotatably connected to left and right two connecting rods, a handle assembly is arranged on the disc, the bottom of the switch cabinet is fixedly connected to left and right two groups of sliding rails, plug-in boards are slidably connected to the two sliding rails, the disc is rotated and the plug-in boards are pushed into the mounting plates to install the diagnosis device body.
[0008] Preferably, the other ends of the left and right connecting rods are rotatably connected with two plug-in plates respectively, each set of the slide rails is composed of front and rear slide rails, and a plurality of limiting grooves are equidistantly arranged on the bottom of the plug-in plate.
[0009] Preferably, the handle assembly comprises a sliding groove arranged on the surface of the disc, and the inner surface of the sliding groove is slidably connected with a handle; the bottom of the switch cabinet is fixedly connected with an L-shaped plate; the handle is used to drive the disc to rotate, and after the rotation is stopped, the handle is moved upward and enters the L-shaped plate to limit the position of the disc after rotation.
[0010] Preferably, the four fixing assemblies are arranged at the bottom of the two mounting plates respectively, the two mounting plates are fixed with the switch cabinet through the two fixing assemblies, the mounting plate is hollow, and the bottom of the inner wall of the mounting plate is fixedly connected with a plurality of limiting blocks matched with the limiting grooves.
[0011] Preferably, the fixing assembly comprises a plug-in rod and a limiting ring, the plug-in rod is fixedly connected with the bottom of the mounting plate, the surface of the plug-in rod is provided with two L-shaped grooves, and the L-shaped groove is composed of a vertical part and a transverse arc-shaped part.
[0012] Preferably, the limiting ring is sleeved on the outside of the plug-in rod, the inner surface of the limiting ring is fixedly connected with two guide blocks, and the guide blocks are located in the L-shaped groove; and the bottom of the limiting ring is fixedly connected with a limiting spring.
[0013] Beneficial effects
[0014] The utility model provides a kind of grounding diagnostic device for transformer substation convenient to install.Compared with prior art, it has the following beneficial effects:
[0015] 1. The grounding diagnostic device for transformer substation convenient to install, by installation component including disc, disc is rotatably connected with the bottom of diagnostic device body, the bottom of disc is rotatably connected with left and right two connecting rods, handle assembly is provided on disc, when diagnostic device body is installed to the inside of switch cabinet, it can be quickly installed in limited space by the cooperation of installation component and mounting plate, only need to rotate disc during installation, improve the practicality when device is used.
[0016] 2. The grounding diagnostic device for transformer substation convenient to install, by fixing component including plug-in rod and limiting ring, plug-in rod is fixedly connected with the bottom of mounting plate, the surface of plug-in rod is provided with two L-shaped grooves, and the L-shaped groove is composed of a vertical part and a transverse arc-shaped part, and the mounting plate used in cooperation with installation component is installed with switch cabinet by fixing component, it can be installed by sleeving limiting ring on mounting rod during installation, further improve the convenience when device is used. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the appearance schematic view of the utility model;
[0018] Figure 2 It is the schematic view of the diagnostic device body of the utility model;
[0019] Figure 3 It is the schematic view of the installation mechanism of the utility model;
[0020] Figure 4 It is the schematic view of the installation assembly of the utility model;
[0021] Figure 5 It is the enlarged view of A of the utility model;
[0022] Figure 6 It is the schematic view of the installation plate and the fixed assembly of the utility model.
[0023] In the drawing: 1, switch cabinet; 2, diagnostic device body; 3, installation assembly; 31, disc; 32, connecting rod; 33, handle assembly; 331, sliding groove; 332, handle; 333, L-shaped plate; 34, sliding rail; 35, plugboard; 36, limiting groove; 4, installation plate; 41, limiting block; 5, fixed assembly; 51, plug rod; 52, limiting ring; 53, L-shaped groove; 54, guide block; 55, limiting spring. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Please refer to Figures 1-6 The substation grounding diagnostic device convenient to install provides two technical solutions:
[0026] The first embodiment: including switch cabinet 1 and diagnostic device body 2, diagnostic device body 2 is installed in the inside of switch cabinet 1 through installation mechanism, and installation mechanism includes installation assembly 3, left and right two installation plates 4 and four fixed assemblies 5;
[0027] The mounting assembly 3 comprises a disc 31 rotatably connected with the bottom of the diagnostic device body 2, the bottom of the disc 31 is rotatably connected with two connecting rods 32, the disc 31 is provided with a handle assembly 33, the bottom of the switch cabinet 1 is fixedly connected with two groups of slide rails 34, the two slide rails 34 are both slidably connected with a plug plate 35, the disc 31 is rotated and the plug plate 35 is pushed into the mounting plate 4 to mount the diagnostic device body 2, the other end of the two connecting rods 32 is rotatably connected with the two plug plates 35 respectively, each group of slide rails 34 is composed of two front and rear slide rails 34, and the bottom of the plug plate 35 is equidistantly provided with a plurality of limiting grooves 36.
[0028] The handle assembly 33 comprises a sliding groove 331 formed in the surface of the disc 31, the inner surface of the sliding groove 331 is slidably connected with a handle 332, the bottom of the switch cabinet 1 is fixedly connected with an L-shaped plate 333, the handle 332 is used to drive the disc 31 to rotate, and after the rotation is stopped, the handle 332 is moved upward and enters the L-shaped plate 333 to limit the position of the disc 31 after rotation.
[0029] When the diagnostic device body 2 is mounted into the switch cabinet 1, the cooperation of the mounting assembly 3 and the mounting plate 4 can quickly complete the installation in a limited space, and only the disc 31 needs to be rotated during installation, thereby improving the practicability of the device in use.
[0030] The second embodiment is mainly different from the first embodiment in that the four fixing assemblies 5 are respectively arranged at the bottom of the two mounting plates 4, the two mounting plates 4 are fixed with the switch cabinet 1 through the two fixing assemblies 5, the mounting plate 4 is hollow, and a plurality of limiting blocks 41 for cooperating with the limiting grooves 36 are fixedly connected with the bottom of the inner wall of the mounting plate 4.
[0031] The fixing assembly 5 comprises a plug rod 51 and a limiting ring 52, the plug rod 51 is fixedly connected with the bottom of the mounting plate 4, the surface of the plug rod 51 is provided with two L-shaped grooves 53, the L-shaped grooves 53 are composed of vertical parts and transverse arc-shaped parts, the limiting ring 52 is sleeved on the outside of the plug rod 51, the inner surface of the limiting ring 52 is fixedly connected with two guide blocks 54, the guide blocks 54 are in the inside of the L-shaped grooves 53, and the bottom of the limiting ring 52 is fixedly connected with a limiting spring 55.
[0032] The mounting plate 4 cooperating with the fixing assembly 5 is mounted with the switch cabinet 1 through the fixing assembly 3, and during installation, the limiting ring 52 is sleeved on the mounting rod 51, thereby further improving the convenience of the device in use.
[0033] In use, the insertion rod 51 on the mounting plate 4 is passed through the bottom of the switch cabinet 1, and the limiting ring 52 is sleeved to the outside of the insertion rod 51, when sleeving, the guide block 54 is aligned with the vertical part of the L-shaped groove 53, the limiting ring 52 is extruded to align the guide block 54 with the transverse arc part of the L-shaped groove 53 and rotate the limiting ring 52, at this time, the installation of the mounting plate 4 is completed, when installing the diagnostic device body 2, the diagnostic device body 2 is placed into the inside of the switch cabinet 1, the disc 31 is rotated by rotating the handle 332, the disc 31 is rotated and pushes the two insertion plates 35 through the connecting rod 32, the two insertion plates 35 are away from each other, so that the two insertion plates 35 are respectively inserted into the two mounting plates 4, then the handle 332 is moved upward, so that the handle 332 is in the same plane with the L-shaped plate 333, and the disc 31 is slightly rotated, so that the handle 332 enters into the L-shaped plate 333, at this time, the installation of the diagnostic device body 2 is completed.
[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A ground diagnostic device for a substation that is easy to install, comprising a switchgear (1) and a diagnostic device body (2), characterized in that: The diagnostic device body (2) is installed in the interior of the switch cabinet (1) through the mounting mechanism, and the mounting mechanism comprises a mounting assembly (3), two mounting plates (4) and four fixing assemblies (5); The mounting assembly (3) comprises a disc (31), the disc (31) is rotationally connected with the bottom of the diagnostic device body (2), two connecting rods (32) are rotationally connected with the bottom of the disc (31), a handle assembly (33) is arranged on the disc (31), the bottom of the switch cabinet (1) is fixedly connected with two groups of slide rails (34), the slide rails (34) are slidingly connected with two plug boards (35), the disc (31) is rotated and the plug board (35) is pushed into the mounting plate (4) to install the diagnostic device body (2).
2. The grounding diagnostic device for a substation according to claim 1, characterized by: The other ends of the two connecting rods (32) are rotationally connected with the two plug boards (35) respectively, each group of slide rails (34) is composed of two slide rails (34), and a plurality of limiting grooves (36) are equidistantly arranged on the bottom of the plug board (35).
3. The ground diagnostic device for a substation according to claim 1, characterized by: The handle assembly (33) comprises a sliding groove (331) formed in the surface of the disc (31), the inner surface of the sliding groove (331) is slidingly connected with a handle (332), the bottom of the switch cabinet (1) is fixedly connected with an L-shaped plate (333), the handle (332) is used for driving the disc (31) to rotate, and the handle (332) is moved upward after rotation stops and is arranged in the L-shaped plate (333) to limit the position of the disc (31) after rotation.
4. The ground diagnostic device for a substation according to claim 2, characterized by: The four fixing assemblies (5) are arranged at the bottoms of the two mounting plates (4) respectively, the two mounting plates (4) are fixed to the switch cabinet (1) through the two fixing assemblies (5), the mounting plate (4) is hollow, and a plurality of limiting blocks (41) are equidistantly fixedly connected to the bottom of the inner wall of the mounting plate (4) and matched with the limiting grooves (36).
5. The ground diagnostic device for a substation according to claim 1, characterized by: The fixing assembly (5) comprises a plug rod (51) and a limiting ring (52), the plug rod (51) is fixedly connected with the bottom of the mounting plate (4), and two L-shaped grooves (53) are formed in the surface of the plug rod (51) and comprise vertical portions and transverse arc-shaped portions.
6. The ground diagnostic device for a substation according to claim 5, characterized by: The limiting ring (52) is arranged outside the plug rod (51), two guide blocks (54) are fixedly connected to the inner surface of the limiting ring (52) and located in the L-shaped grooves (53), and a limiting spring (55) is fixedly connected to the bottom of the limiting ring (52).
Citation Information
Patent Citations
One-way ground fault on-site diagnosis device of power distribution network
CN212723168U