Switch cabinet fault early warning system device with protection structure

Abstract

The utility model relates to a switch cabinet fault early warning system device with a protection structure, which comprises a device body and a box with a square structure, T-shaped guide rails are horizontally and oppositely arranged on the inner vertical surfaces of the box, square clamping and supporting grooves which are vertically and oppositely arranged are transversely connected to the two guide rails in a sliding fit manner, and the T-shaped guide rails are connected with the square clamping and supporting grooves in a sliding fit manner. An adjusting mechanism used for synchronously driving the two card supporting grooves to move oppositely or reversely in a positioning mode is arranged in the middle of the inner top face of the box in a suspended mode. The opening of the box is detachably sealed through a box cover matched with the box, the upper portion of the box cover is provided with a transparent window corresponding to the display area, and the lower portion of the box cover is provided with a plurality of key pressing assemblies corresponding to the key area. According to the utility model, the device body is arranged in the protective structure consisting of the box and the box cover, so that dust in the high-voltage switch cabinet can be effectively isolated in the long-term use process, and vibration and impact on the high-voltage switch cabinet in the operation process can be well resisted.

Description

Technical Field

[0001] The utility model belongs to the technical field of power system safety, and particularly relates to a switch cabinet fault early warning system device with a protective structure. Background Art

[0002] High-voltage switchgear is an important power equipment in the power system, and its operating reliability is related to the safety and stability of the entire power grid and the reliability of urban power supply. In order to ensure the safe and reliable operation of high-voltage switchgear, a switchgear fault warning system device came into being; this device can monitor the internal air gap, crack fault, insulation aging and discharge signals on the surface of the insulation material caused by the failure of the main insulation material of the switchgear; it can monitor the over-temperature fault caused by poor contact or overload at the circuit breaker and connecting wire; it can monitor the fault caused by humidity and vibration inside the switchgear, etc., and send out a warning signal.

[0003] The existing switch cabinet fault warning system device is generally installed directly on the inner wall of the high-voltage switch cabinet through multiple bolts without any protective structure. If used for a long time, not only will the dust in the high-voltage switch cabinet damage the device and affect its service life, but the high-voltage switch cabinet may be subjected to vibration and impact during operation, which will damage the physical structure and electronic components of the switch cabinet fault warning system device and affect its normal operation. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a switch cabinet fault warning system device with a protective structure. The specific technical solution is as follows:

[0005] The utility model provides a switch cabinet fault warning system device with a protective structure, including a device body, a display area is arranged on the upper front part of the device body, a button area is arranged on the lower front part of the device body, and also includes a box with a square structure, T-shaped guide rails are arranged horizontally and oppositely on the inner facade of the box, two square card holder slots are connected with each other in a transverse sliding manner, and the inner side surfaces of the card holder slots are open, and the device body matched with the two card holder slots is positively clamped between the two card holder slots, and an adjustment mechanism for synchronously driving the two card holder slots to move toward or away from each other is suspended in the middle of the inner top surface of the box; the opening of the box is detachably sealed by a box cover matched with the box, and a transparent window corresponding to the display area is arranged on the upper part of the box cover, and a plurality of key pressing components corresponding to the button area are arranged on the lower part.

[0006] As an optimal technical solution of the utility model, the adjusting mechanism includes a suspension block vertically fixedly connected to the middle part of the top surface of the box, a screw rod is passed through the horizontal gap in the suspension block, the middle part of the screw rod is rotatably connected to the suspension block through a bearing sleeved therewith, the screw rod is provided with opposite threads on the rod body located on both sides of the suspension block, the ends of the screw rod are symmetrically screwed with sliding blocks, and the sliding blocks are vertically fixed to the corresponding ends of the top surface of the bracket groove; the end faces of the screw rod are axially connected with a circular limit block, and the outer end edge of one of the limit blocks is vertically connected to a L-shaped handle.

[0007] As a preferred technical solution of the utility model, a pulling assembly is horizontally inserted between the bottoms of the two card tray slots, and the pulling assembly includes a circular guide rod which is inserted through the bottoms of the two card tray slots with a horizontal gap, and the end faces of the guide rod are respectively vertically fixed to the corresponding inner side faces of the box, and a first spring is axially sleeved on the middle part of the guide rod, and the end faces of the first spring are respectively fixedly connected to the bottom side faces of the corresponding card tray slots.

[0008] As a preferred technical solution of the utility model, a plurality of sunken grooves corresponding to the key area of ​​the device body are provided at the lower part of the inner facade of the box cover, and a sunken hole corresponding to the sunken grooves is provided at the lower part of the outer facade of the box cover, and a through hole is axially penetrated between the sunken hole and the corresponding sunken groove, and the inner diameter of the through hole is smaller than the inner diameter of the sunken hole;

[0009] The key pressing assembly includes a pressure rod with an axial gap passing through the through hole, the inner end of the pressure rod is axially connected to a circular pressure pad, and the outer diameter of the pressure pad is larger than the inner diameter of the through hole, the outer end of the pressure rod is axially connected to a circular key column, a second spring is axially sleeved on the pressure rod, and one end of the second spring is connected to the inner end surface of the key column, and the other end is connected to the inner bottom surface of the countersunk hole; when the second spring is in a natural state, the pressure pad is in contact with the corresponding bottom surface of the countersunk groove, and the inner end of the key column is inserted into the corresponding countersunk hole along the axial gap.

[0010] As a preferred technical solution of the utility model, the bottom of the side of the box is symmetrically and integrally provided with a mounting plate along the long side direction thereof, and at least two first bolts are provided on the mounting plate.

[0011] As a preferred technical solution of the utility model, the box cover is screwed and fixed to the box by second bolts arranged at four corners thereof.

[0012] As a preferred technical solution of the utility model, at least two wiring holes are formed through the inner bottom surface of the box.

[0013] The beneficial effects of the utility model are:

[0014] The utility model arranges the device body in a protective structure composed of a box and a box cover, so that during long-term use, the dust in the high-voltage switch cabinet can be effectively isolated, and the vibration and impact to which the high-voltage switch cabinet is subjected during operation can be well resisted; the device body can be quickly fixed in the box by cooperating with the arranged guide rails, card holder slots and adjustment mechanisms, so as to facilitate later disassembly and maintenance; at the same time, a transparent window is arranged on the box cover so as to inspect and observe the display area information of the device body; a plurality of key pressing assemblies arranged on the box cover can facilitate the operator to directly touch the key area of ​​the device body outside the protective structure, without disassembling the box cover, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The schematic diagram of the structure of the switch cabinet fault warning system of the utility model is shown;

[0016] Figure 2 The overall three-dimensional structure schematic diagram of the utility model is shown;

[0017] Figure 3 The three-dimensional structure diagram of the utility model when the box cover is not installed is shown.

[0018] Figure 4 The front view of the structure of the utility model when the box cover is not installed is shown;

[0019] Figure 5 It shows a three-dimensional structural schematic diagram of the utility model when the box cover is not equipped with a key pressing assembly;

[0020] Figure 6 The three-dimensional structure diagram of the middle pressure key assembly of the utility model is shown;

[0021] Figure 7 The three-dimensional structural schematic diagram of the box cover of the utility model from the back side perspective is shown.

[0022] As shown in the figure: 1. Device body; 11. Display area; 12. Keypad area; 2. Box; 21. Mounting plate; 211. First bolt; 22. Guide rail; 23. Card tray slot; 24. Adjustment mechanism; 241. Suspension block; 242. Screw rod; 243. Bearing; 244. Slide block; 245. Limit block; 2451. Handle; 25. Pulling assembly; 251. Guide rod; 252. First spring; 26. Wiring hole; 3. Box cover; 31. Transparent window; 32. Key pressing assembly; 321. Pressure rod; 322. Pressure pad; 323. Key column; 324. Second spring; 33. Second bolt; 34. Countersunk hole; 341. Through hole; 35. Countersunk groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0024] Embodiment 1

[0025] In order to solve the technical problems in the background technology, the following switch cabinet fault warning system device with a protective structure is provided:

[0026] Combination Figures 1 to 4 As shown, a switch cabinet fault warning system device with a protective structure includes a device body 1, a display area 11 is provided on the upper front part of the device body 1, a button area 12 is provided on the lower front part of the device body 1, and also includes a box 2 with a square structure, T-shaped guide rails 22 are horizontally arranged on the inner facade of the box 2, and two square card holder slots 23 are vertically arranged on the two guide rails 22. The inner side surfaces of the card holder slots 23 are open, and the device body 1 matched with the two card holder slots 23 are positively clamped between them, and an adjustment mechanism 24 for synchronously driving the two card holder slots 23 to move toward or away from each other is suspended in the middle of the inner top surface of the box 2; the opening of the box 2 is detachably sealed by a box cover 3 matched with it, and a transparent window 31 corresponding to the display area 11 is provided on the upper part of the box cover 3, and a plurality of key pressing components 32 corresponding to the button area 12 are provided on the lower part thereof.

[0027] By adopting the above technical scheme, the switch cabinet fault warning system device sets the device body 1 in the protective structure composed of a box 2 and a box cover 3, so that in the long-term use process, it can not only effectively isolate the dust in the high-voltage switch cabinet, but also better withstand the vibration and impact of the high-voltage switch cabinet during operation; through the cooperation of the set guide rail 22, the bracket slot 23 and the adjustment mechanism 24, the device body 1 can be quickly fixed in the box 2, which is convenient for later disassembly and maintenance; at the same time, a transparent window 31 is set on the box cover 3 to inspect and observe the information in the display area 11 of the device body 1; the multiple key pressing components 32 set on the box cover 3 can facilitate the operator to directly touch the key area 12 of the device body 1 outside the protective structure, without the need to disassemble the box cover 3, which is convenient and quick.

[0028] Combination Figure 2 As shown, the bottom of the side of the box 2 is symmetrically provided with mounting plates 21 along the long side direction thereof, and at least two first bolts 211 are provided on the mounting plates 21 .

[0029] By adopting the above technical solution, the installation plate 21 and the first bolt 211 thereon can fix the entire switch cabinet fault warning system device on the inner wall of the high-voltage switch cabinet stably and reliably.

[0030] Combination Figure 2 As shown, the box cover 3 is screwed and fixed to the box 2 via second bolts 33 arranged at four corners thereof.

[0031] By adopting the above technical solution, the four second bolts 33 can detachably seal the box cover 3 and the box 2 in a relatively stable manner, have a good dustproof effect, and can withstand a certain degree of external vibration and impact; preferably, the box cover 3 and the box 2 can be made of stainless steel.

[0032] Embodiment 2

[0033] Combination Figure 3 and Figure 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0034] In this embodiment, the adjustment mechanism 24 includes a suspension block 241 vertically fixed to the middle part of the top surface of the box 2, a screw rod 242 is passed through the horizontal gap in the suspension block 241, the middle part of the screw rod 242 is rotatably connected to the suspension block 241 through a bearing 243 that is sleeved therewith, the screw rod 242 is located on both sides of the suspension block 241 and is provided with opposite threads, the ends of the screw rod 242 are symmetrically screwed with slide blocks 244, and the slide block 244 is vertically fixed to the corresponding end of the top surface of the bracket slot 23; the end face of the screw rod 242 is axially connected to a circular limit block 245, and the outer end edge of one of the limit blocks 245 is vertically connected to a straight handle 2451.

[0035] By adopting the above technical scheme, the set adjustment mechanism 24 can drive the two card tray slots 23 to move toward or away from each other along the two guide rails 22, so as to quickly clamp or release the device body 1; specifically, the hand crank handle 2451 drives the screw rod 242 to rotate counterclockwise, and the two slide blocks 244 move away from each other along the threads on the screw rod 242, so that the two card tray slots 23 also move away from each other along the guide rails 22, and when they move to the appropriate position, the device body 1 can be placed in the two card tray slots 23. At this time, the hand crank handle 2451 drives the screw rod 242 to rotate clockwise, so that the two card tray slots 23 move toward each other along their respective slide blocks 244 and along the guide rails 22 until the device body 1 is clamped and fixed.

[0036] Combination Figure 3 and Figure 4As shown, a pulling assembly 25 is horizontally penetrated between the bottoms of the two card tray slots 23, and the pulling assembly 25 includes a circular guide rod 251 which is horizontally penetrated through the bottoms of the two card tray slots 23, and the end faces of the guide rod 251 are respectively vertically fixed to the corresponding inner side faces of the box 2, and a first spring 252 is axially sleeved on the middle part of the guide rod 251, and the end faces of the first spring 252 are respectively fixedly connected to the bottom side faces of the corresponding card tray slots 23.

[0037] By adopting the above technical solution, the pulling assembly 25 provided can prevent the deflection of the screw rod 242 in the adjustment mechanism 24 due to accidental vibration, causing the clamping of the device body 1 in the two card tray slots 23 to become loose; specifically, in the process of the two card tray slots 23 clamping the device body 1, the first spring 252 is always in a tensioned state, thereby maintaining the pulling force on the two card tray slots 23 in opposite directions, and the guide rod 251 provided at the same time can not only better keep the first spring 252 in a straight line state, but also further provide a guiding and supporting effect on the two card tray slots 23.

[0038] Combination Figure 3 As shown, at least two wiring holes 26 are formed through the inner bottom surface of the box 2 .

[0039] By adopting the above technical solution, the wiring hole 26 provided can facilitate the wiring requirements between the device body 1 and the external switch cabinet.

[0040] Embodiment 3

[0041] Combination Figure 1 , Figure 2 , Figures 5 to 7 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0042] In this embodiment, a plurality of sink grooves 35 corresponding to the key area 12 of the device body 1 are formed at the lower portion of the inner facade of the box cover 3, and sink holes 34 corresponding to the sink grooves 35 are formed at the lower portion of the outer facade of the box cover 3. A through hole 341 is formed axially between the sink hole 34 and the corresponding sink groove 35, and the inner diameter of the through hole 341 is smaller than the inner diameter of the sink hole 34.

[0043] The key pressing assembly 32 includes a pressure rod 321 that passes through the through hole 341 through an axial gap, the inner end of the pressure rod 321 is axially connected to a circular pressure pad 322, and the outer diameter of the pressure pad 322 is larger than the inner diameter of the through hole 341, the outer end of the pressure rod 321 is axially connected to a circular button column 323, and a second spring 324 is axially sleeved on the pressure rod 321, and one end of the second spring 324 is connected to the inner end surface of the button column 323, and the other end is connected to the inner bottom surface of the countersunk hole 34; when the second spring 324 is in a natural state, the pressure pad 322 is in contact with the corresponding bottom surface of the countersunk groove 35, and the inner end of the button column 323 is inserted into the corresponding countersunk hole 34 along the axial gap.

[0044] By adopting the above technical solution, the key pressing assembly 32 arranged at the lower part of the box cover 3 can enable the operator to touch the key area 12 of the device body 1 from the outside without opening the box cover 3, which is convenient and quick; specifically, if the operator wants to touch a key in the key area 12, the operator presses the key column 323 of the corresponding key pressing assembly 32 by hand, and then the key column 323 deeply compresses the second spring 324 in the counterbore 34, and at the same time, the pressure rod 321 drives the pressure pad 322 axially along the through hole 341 to touch the corresponding key in the key area 12, so as to complete the touch operation of a key in the key area 12. Preferably, the pressure pad 322 can be made of silicone material to better protect the keys in the key area 12; the outer end surface of the key column 323 can be affixed with the label of the key in the key area 12 for better confirmation.

[0045] The working principle and use process of this utility model:

[0046] When installing the utility model, first, manually rotate the screw rod 242 of the adjustment mechanism 24 counterclockwise through the handle 2451, so that the two bracket slots 23 move back to back, then place the device body 1 flat in the two bracket slots 23, then rotate the screw rod 242 clockwise until the two bracket slots 23 clamp the device body 1, and at the same time, pass the cables required for wiring of the device body 1 through the corresponding wiring holes 26, and then assemble the box cover 3 at the opening of the box box 2 through the second bolt 33; finally, install the box box 2 on the inner wall of the high-voltage switch cabinet through the first bolt 211, and connect the corresponding cables of the device body 1 to the position;

[0047] When the utility model is in use, the display area 11 of the device body 1 can be observed through the transparent window 31 on the box cover 3, and the buttons of the key area 12 on the outer side of the device body 1 can be touched by multiple key pressing components 32, so as to change the control parameter information of the device body 1 without disassembling the box cover 3.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A switch cabinet fault warning system device with a protective structure, comprising a device body (1), wherein the upper front portion of the device body (1) is provided with a display area (11), and the lower front portion of the device body (1) is provided with a key area (12), wherein: It also includes a box (2) of square structure, wherein T-shaped guide rails (22) are horizontally arranged on the inner surface of the box (2), and two square card holder slots (23) are vertically arranged on the two guide rails (22) and are connected in a transverse sliding manner, and the inner side surfaces of the card holder slots (23) are open, and the device body (1) matched therewith is positively arranged between the two card holder slots (23), and an adjustment mechanism (24) is suspended in the middle of the inner top surface of the box (2) for synchronously driving the two card holder slots (23) to move toward or away from each other; the opening of the box (2) is detachably sealed by a box cover (3) matched therewith, and a transparent window (31) corresponding to the display area (11) is arranged on the upper part of the box cover (3), and a plurality of key pressing components (32) corresponding to the key area (12) are arranged on the lower part thereof.

2. The switch cabinet fault warning system device with a protective structure according to claim 1 is characterized in that: The adjustment mechanism (24) includes a suspension block (241) vertically fixed to the middle part of the inner top surface of the box (2), a screw rod (242) is passed through the horizontal gap in the suspension block (241), the middle part of the screw rod (242) is rotatably connected to the suspension block (241) through a bearing (243) sleeved therewith, the screw rod (242) is provided with opposite threads on the rod body located on both sides of the suspension block (241), the ends of the screw rod (242) are symmetrically screwed with sliding blocks (244), and the sliding blocks (244) are vertically fixed to the corresponding end of the top surface of the bracket slot (23); the end face of the screw rod (242) is axially connected with a circular limit block (245), and the outer end edge of one of the limit blocks (245) is vertically connected to a straight handle (2451).

3. The switch cabinet fault warning system device with a protective structure according to claim 2 is characterized in that: A pulling assembly (25) is transversely passed through the bottom of the two card tray slots (23), and the pulling assembly (25) includes a circular guide rod (251) which is transversely passed through the bottom of the two card tray slots (23), and the end faces of the guide rod (251) are respectively vertically fixed to the inner side faces of the corresponding box (2), and a first spring (252) is axially sleeved on the middle part of the guide rod (251), and the end faces of the first spring (252) are respectively fixedly connected to the bottom side faces of the corresponding card tray slots (23).

4. The switch cabinet fault warning system device with a protective structure according to claim 1 is characterized in that: A plurality of sink grooves (35) corresponding to the key area (12) of the device body (1) are provided at the lower portion of the inner facade of the box cover (3), sink holes (34) corresponding one-to-one to the sink grooves (35) are provided at the lower portion of the outer facade of the box cover (3), a through hole (341) is axially penetrated between the sink hole (34) and the corresponding sink groove (35), and the inner diameter of the through hole (341) is smaller than the inner diameter of the sink hole (34); The key pressing assembly (32) includes a pressing rod (321) which passes through the through hole (341) with an axial gap, the inner end of the pressing rod (321) is axially connected to a circular pressing pad (322), and the outer diameter of the pressing pad (322) is larger than the inner diameter of the through hole (341), the outer end of the pressing rod (321) is axially connected to a circular key column (323), a second spring (324) is axially sleeved on the pressing rod (321), and one end of the second spring (324) is connected to the inner end surface of the key column (323), and the other end is connected to the inner bottom surface of the countersunk hole (34); when the second spring (324) is in a natural state, the pressing pad (322) is in contact with the bottom surface of the corresponding countersunk groove (35), and the inner end of the key column (323) is inserted into the corresponding countersunk hole (34) along the axial gap.

5. The switch cabinet fault warning system device with a protective structure according to claim 1 is characterized in that: The bottom of the side surface of the box (2) is symmetrically provided with mounting plates (21) along the long side direction thereof, and at least two first bolts (211) are provided on the mounting plates (21).

6. The switch cabinet fault warning system device with a protective structure according to claim 1 is characterized in that: The box cover (3) is screwed and fixed to the box (2) via second bolts (33) arranged at four corners thereof.

7. The switch cabinet fault warning system device with a protective structure according to claim 3 is characterized in that: At least two wiring holes (26) are formed through the inner bottom surface of the box (2).

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