PT cabinet with incoming line isolation structure

Abstract

The utility model discloses a PT cabinet with an incoming line isolation structure, and relates to the technical field of PT cabinets, the PT cabinet comprises a housing, the housing is internally provided with an isolation mechanism, and the top of the housing is provided with a convenient dismounting mechanism. A knob is manually rotated to drive a moving contact to move away from a fifth connecting block, when the spacing distance is too long, the device is powered off successfully, when a sliding plate gradually moves away from the fifth connecting block, the connecting block is driven to move, so that a fourth connecting block is pushed, a first door plate is pushed to be opened outwards, and the mechanism can be used for powering off the whole equipment. And the first door plate and the second door plate can be automatically opened in the power-off process, and the first door plate and the second door plate can be automatically closed when the whole equipment is powered on after maintenance is completed, so that maintenance personnel are prevented from forgetting to close the first door plate and the second door plate or forgetting to power on.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of PT cabinet, especially relates to a PT cabinet with incoming line isolation structure. BACKGROUND

[0002] In the operation process of the power system, safety is always the primary consideration, the PT cabinet (voltage transformer cabinet) as an important equipment in the power system, is used for providing voltage signal for measurement, protection and other equipment, however, when the PT cabinet appears the fault or needs to carry out the maintenance, if there is no effective incoming line isolation structure, the operating personnel can directly contact the live part, thereby causing electric shock accident.

[0003] In the existing PT cabinet technical field, when the maintenance personnel go to maintain, need to manually cut off the power, when the maintenance personnel can ignore this power-off step, directly to the PT cabinet maintenance, this is extremely likely to cause the threat to the life safety of the maintenance personnel, also can cause the damage to the surrounding power equipment, therefore we propose a kind of PT cabinet with incoming line isolation structure. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of PT cabinets with incoming line isolation structure, by manual rotation knob drives moving contact to connect block five away, when interval distance is too long, the device is then cut off the power successfully, and when sliding plate gradually away from connect block five, it will drive connection block to move, so it will push fixed column, so it will push connection block four, and because fixed column and rack two and connection block four are all rotational connection mode, so it will push door panel one to open to outside, solve the problem that maintenance personnel can ignore this power-off step.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a PT cabinet with incoming line isolation structure, including the casing, the casing inside is provided with the isolation mechanism, the casing top is provided with the convenient dismantling mechanism, the isolation mechanism includes the fixed plate fixedly connected at the casing bottom, the fixed plate inside is provided with a plurality of sliding slots, the sliding slot inside is connected with the sliding plate of sliding, the sliding plate outer wall is fixedly connected with fixed plate no.

[0007] Further, the convenient dismantling mechanism includes a fixed frame fixedly connected to the top of the casing.

[0008] Further, the fixed frame is internally provided with a sliding slot four and a sliding slot six.

[0009] Further, the fixed frame inner wall is fixedly connected with a telescopic rod and a spring, and the spring is arranged to extrude the clamping block, thereby fixing the connecting block three.

[0010] Further, the telescopic rod is located inside the spring, and the telescopic rod outer wall is fixedly connected with the clamping block.

[0011] Further, the outer wall of the fixed column four is slidably connected with the inner wall of the sliding groove four.

[0012] Further, the bottom of the clamping block is in contact with the connecting block three, and the outer wall of the connecting block three is in contact with the inner wall of the sliding groove six.

[0013] Further, the outer wall of the connecting block three is fixedly connected with a dustproof plate, and the dustproof plate is in contact with the inner wall of the shell.

[0014] The utility model has the following beneficial effects:

[0015] 1, the utility model discloses a threaded column is set up, when needing to maintain PT cabinet, first need to power off the device, manually rotate knob and drive moving contact to be away from connecting block five, when the interval distance is too long, the device is then power off successfully, and when the sliding plate is gradually away from connecting block five, will drive the connecting block to remove, thereby push connecting block four, and because fixed column and rack two and connecting block four are all the connecting mode of rotation, so will push the door plate one to the outside and open, and rack two in the moving process, will drive fixed column two and remove, thereby will push connecting block two, make the door plate two also open, this mechanism can power off the overall equipment when needing to overhaul, and the process of power off will automatically open the door plate one and the door plate two, thereby facilitate maintenance personnel to maintain the internal equipment, when the overall equipment is powered on after the maintenance is completed, will automatically close the door plate one and the door plate two, thereby prevent maintenance personnel from forgetting to close the door plate one and the door plate two or forget to power on the overall device.

[0016] 2, the utility model discloses a dustproof plate is set up, when needing to remove and clean the dustproof plate at the top, first manually slide fixed column four, drive fixed column four to slide in the sliding groove four, thereby drive the slide rod to slide in the fixed frame inner wall, and then extrude telescopic rod and spring, when the clamping block is away from connecting block three, can manually remove connecting block three, thereby remove the dustproof plate and clean, this mechanism can prevent the dustproof plate from working for too long, cause external dust to accumulate, and ensure that the device heat dissipation function normally operates, and heat dissipation function is not caused because of dust blockage and is abnormal.

[0017] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above at the same time. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is the overall structure schematic view of the present application;

[0020] Figure 2 It is the isolation mechanism structure schematic view of the present application;

[0021] Figure 3 It is the voltage transformer structure schematic view of the present application;

[0022] Figure 4 It is the gear structure schematic view of the present application;

[0023] Figure 5 It is the sliding column structure schematic view of the present application;

[0024] Figure 6 It is the convenient dismounting mechanism structure schematic view of the present application.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 101, shell; 2, isolation mechanism; 201, fixed plate; 202, sliding groove; 203, sliding plate; 204, fixed plate two; 205, moving contact; 206, sliding rod; 207, threaded rod; 208, knob; 209, connecting line; 210, voltage transformer; 211, sliding groove two; 212, sliding groove three; 213, connecting block; 214, rack one; 215, rotating shaft; 216, gear; 217, rack two; 218, connecting block five; 219, fixed column; 220, connecting block four; 221, fixed shaft; 222, door plate one; 223, fixed column two; 224, sliding groove five; 225, sliding column; 226, connecting block two; 228, door plate two; 3, convenient dismounting mechanism; 301, fixed frame; 302, sliding groove four; 303, sliding groove six; 304, telescopic rod; 305, spring; 306, clamping block; 307, fixed column four; 308, connecting block three; 309, dustproof plate. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6As shown, the utility model is a kind of PT cabinet with incoming line isolation structure, including shell 101, isolation mechanism 2 is arranged in shell 101, shell 101 top is provided with convenient dismounting mechanism 3, isolation mechanism 2 includes the fixed plate 201 of being fixedly connected in the bottom of shell 101, a plurality of grooves 202 are formed in the inside of fixed plate 201, by being provided with groove 202, it is convenient for sliding plate 203 to slide on the inner wall of groove 202, sliding plate 203 is slidably connected in the inside of groove 202, the outer wall of sliding plate 203 is fixedly connected with fixed plate two 204, a plurality of moving contact 205 are fixedly connected on the outer wall of fixed plate two 204, sliding plate 203 is slidably connected in the inside of groove 202, by being provided with sliding rod 206, it is convenient for sliding plate 203 to slide in groove 202, the inner wall of fixed plate two 204 is threadedly connected with threaded rod 207, threaded rod 207 outer wall is fixedly connected with knob 208, threaded rod 207 side away from knob 208 is rotatably connected with connecting block five 218, the outer wall of connecting block five 218 is fixedly connected with sliding rod 206, by being provided with threaded rod 207, it is convenient to drive sliding plate 203 to move, connecting line 209 is fixedly connected on the outer wall of connecting block five 218, voltage transformer 210 is fixedly connected on the side of connecting line 209 away from connecting block five 218, groove two 211 is formed in the inside of shell 101, groove three 212 is formed in the inside of shell 101, by being provided with groove three 212, it is convenient for rack two 217 to slide inside, the outer wall of sliding plate 203 is fixedly connected with connecting block 213, rack one 214 is fixedly connected on the outer wall of connecting block 213, the outer wall of rack one 214 is slidably connected with the inner wall of groove two 211, rotation shaft 215 is rotatably connected on the inner wall of shell 101, by being provided with rotation shaft 215 connecting gear 216, to make rack two 217 move, gear 216 is fixedly connected on the outer wall of rotation shaft 215, the outer wall of gear 216 is engaged with the outer wall of rack one 214, rack two 217 is slidably connected in the inner wall of groove three 212, the outer wall of rack two 217 is engaged with the outer wall of gear 216, by being provided with rack two 217, it is convenient for fixed column 219 to move, rack two 217 outer wall is rotatably connected with fixed column 219, fixed column 219 side away from rack two 217 is rotatably connected with connecting block four 220, fixed shaft 221 is fixedly connected on the top of fixed plate 201, door plate one 222 is rotatably connected on the outer wall of fixed shaft 221, by being provided with fixed shaft 221, it is convenient for door plate one 222 to open and close operation, the outer wall of door plate one 222 is fixedly connected with the outer wall of connecting block four 220, rack two 217 outer wall is fixedly connected with fixed column two 223,The end away from the sliding column 225 of the fixed column three 226 is rotationally connected with a connecting block two 227, and the outer wall of the connecting block two 227 is fixedly connected with a door plate two 228. The fixed column three 226 is arranged to push or pull inwards the connecting block two 227, so as to drive the door plate two 228 to open or close, facilitating disassembly.

[0029] The inner wall of the fixed frame 301 is fixedly connected with an extension rod 304, and the inner wall of the fixed frame 301 is fixedly connected with a spring 305. The extension rod 304 is located inside the spring 305. The outer wall of the extension rod 304 is fixedly connected with a clamping block 306. The clamping block 306 is arranged to fix the connecting block three 308, so as to fix the dustproof plate 309. The outer wall of the clamping block 306 is fixedly connected with a fixed column four 307. The outer wall of the fixed column four 307 is in sliding connection with the inner wall of the sliding groove four 302.

[0030] The bottom of the clamping block 306 is in contact with the connecting block three 308. The outer wall of the connecting block three 308 is in contact with the inner wall of the sliding groove six 303. The outer wall of the connecting block three 308 is fixedly connected with the dustproof plate 309. The dustproof plate 309 is arranged to prevent dust from entering the inside of the device. The dustproof plate 309 is in contact with the inner wall of the shell 101.

[0031] One specific application of the embodiment is as follows:

[0032] When the PT cabinet needs to be repaired, the device needs to be powered off first, manually rotate the knob 208 to drive the threaded rod 207 to rotate, when the threaded rod 207 rotates, the sliding plate 203 slides in the sliding groove 202, so that the sliding plate 203 moves away from the connecting block five 218, thereby driving the moving contact 205 to move away from the connecting block five 218, when the distance is too long, the device is powered off successfully, and when the sliding plate 203 gradually moves away from the connecting block five 218, it drives the connecting block 213 to move, thereby driving the rack one 214 to move in the sliding groove two 211, when the rack one 214 moves, it drives the gear 216 to rotate, thereby driving the rack two 217 to move in the sliding groove three 212, thereby pushing the fixed column 219, and pushing the connecting block four 220, and because the fixed column 219, the rack two 217 and the connecting block four 220 are connected in a rotating manner, the door plate one 222 is pushed outward, and during the movement of the rack two 217, the fixed column two 223 is moved, thereby driving the sliding column 225 to move in the sliding groove five 224, thereby pushing the fixed column three 226, when the fixed column three 226 is pushed, it pushes the connecting block two 227, thereby making the door plate two 228 also open, when the repair is completed, the threaded rod 207 is reversed, so that the moving contact 205 contacts the connecting block five 218 to power on the whole device, at the same time, the door plate one 222 and the door plate two 228 are closed, this mechanism can power off the whole device when it needs to be repaired, and during the power-off process, the door plate one 222 and the door plate two 228 are automatically opened, thereby facilitating the maintenance personnel to repair the internal equipment, when the whole device is powered on after the repair is completed, the door plate one 222 and the door plate two 228 are automatically closed, thereby preventing the maintenance personnel from forgetting to close the door plate one 222 and the door plate two 228 or forgetting to power on the whole device, when the top dustproof plate 309 needs to be removed for cleaning, first manually slide the fixed column four 307, drive the fixed column four 307 to slide in the sliding groove four 302, thereby driving the sliding rod 206 to slide in the inner wall of the fixed frame 301, thereby extruding the telescopic rod 304 and the spring 305, when the clamping block 306 moves away from the connecting block three 308, the connecting block three 308 can be manually removed, thereby removing the dustproof plate 309 for cleaning, when the cleaning is completed, manually place the connecting block three 308 above the clamping block 306, and then press downward, because the clamping block 306 is designed as an inclined surface, pressing the connecting block three 308 downward will drive the clamping block 306 to slide in the inner wall of the fixed frame 301, thereby extruding the telescopic rod 304 and the spring 305, when the connecting block three 308 is at the bottom of the clamping block 306, the spring 305 will extrude the clamping block 306, thereby fixing the position of the connecting block three 308, thereby achieving convenient disassembly and installation, this mechanism can prevent the dustproof plate 309 from working for too long, causing external dust accumulation,And ensure that the device heat dissipation function of normal operation, not because of dust blockage caused by abnormal heat dissipation function.

[0033] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and do not limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A PT cabinet having a line entry isolation structure, comprising a housing (101), characterized in that: The shell (101) is internally provided with an isolation mechanism (2), and the top of the shell (101) is provided with a convenient dismounting mechanism (3); The isolation mechanism (2) includes a fixed plate (201) fixedly connected to the bottom of the shell (101), a plurality of sliding grooves (202) are formed in the fixed plate (201), a sliding plate (203) is slidably connected in the sliding groove (202), a second fixed plate (204) is fixedly connected to the outer wall of the sliding plate (203), a plurality of moving contacts (205) are fixedly connected to the outer wall of the second fixed plate (204), a sliding rod (206) is slidably connected to the inner wall of the second fixed plate (204), a threaded rod (207) is threadedly connected to the inner wall of the second fixed plate (204), a knob (208) is fixedly connected to the outer wall of the threaded rod (207), a connecting block five (218) is rotatably connected to the side, away from the knob (208), of the threaded rod (207), the outer wall of the connecting block five (218) is fixedly connected with the outer wall of the sliding rod (206), a connecting line (209) is fixedly connected to the outer wall of the connecting block five (218), a voltage transformer (210) is fixedly connected to the side, away from the connecting block five (218), of the connecting line (209), a second sliding groove (211) is formed in the shell (101), a third sliding groove (212) is formed in the shell (101), a connecting block (213) is fixedly connected to the outer wall of the sliding plate (203), a first rack (214) is fixedly connected to the outer wall of the connecting block (213), the outer wall of the first rack (214) is slidably connected with the inner wall of the second sliding groove (211), a rotating shaft (215) is rotatably connected to the inner wall of the shell (101), a gear (216) is fixedly connected to the outer wall of the rotating shaft (215), the outer wall of the gear (216) is engaged with the outer wall of the first rack (214), a second rack (217) is slidably connected to the inner wall of the third sliding groove (212), the outer wall of the second rack (217) is engaged with the outer wall of the gear (216), a fixed column (219) is rotatably connected to the outer wall of the second rack (217), a connecting block four (220) is rotatably connected to the side, away from the second rack (217), of the fixed column (219), a fixed shaft (221) is fixedly connected to the top of the fixed plate (201), a first door plate (222) is rotatably connected to the outer wall of the fixed shaft (221), the outer wall of the first door plate (222) is fixedly connected with the outer wall of the connecting block four (220), a second fixed column (223) is fixedly connected to the outer wall of the second rack (217), a sliding column (225) is fixedly connected to the side, away from the second rack (217), of the second fixed column (223), a fifth sliding groove (224) is formed in the shell (101), the inner wall of the fifth sliding groove (224) is slidably connected with the outer wall of the sliding column (225), a third fixed column (226) is rotatably connected to the outer wall of the sliding column (225), a second connecting block (227) is rotatably connected to the end, away from the sliding column (225), of the third fixed column (226), a second door plate (228) is fixedly connected to the outer wall of the second connecting block (227).

2. The PT cabinet with incoming line isolation structure according to claim 1, characterized in that, The convenient dismounting mechanism (3) includes a fixed frame (301) fixedly connected to the top of the shell (101), and the fixed frame (301) is provided with two.

3. The PT cabinet with incoming line isolation structure according to claim 2, characterized in that, The fixed frame (301) is internally provided with a sliding groove four (302), and the fixed frame (301) is internally provided with a sliding groove six (303).

4. The PT cabinet with incoming line isolation structure according to claim 3, characterized in that, The fixed frame (301) is fixedly connected with an extension rod (304) on the inner wall, and the fixed frame (301) is fixedly connected with a spring (305) on the inner wall.

5. The PT cabinet with incoming line isolation structure according to claim 4, characterized in that, The extension rod (304) is located inside the spring (305), and the outer wall of the extension rod (304) is fixedly connected with a clamping block (306).

6. The PT cabinet with incoming line isolation structure according to claim 5, characterized in that, The outer wall of the clamping block (306) is fixedly connected with a fixed column four (307), and the outer wall of the fixed column four (307) is in sliding connection with the inner wall of the sliding groove four (302).

7. The PT cabinet with incoming line isolation structure according to claim 6, characterized in that, The bottom of the clamping block (306) is in contact with a connecting block three (308), and the outer wall of the connecting block three (308) is in contact with the inner wall of the sliding groove six (303).

8. The PT cabinet with incoming line isolation structure according to claim 7, characterized in that, The outer wall of the connecting block three (308) is fixedly connected with a dustproof plate (309), and the dustproof plate (309) is in contact with the inner wall of the shell (101).

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