CN115714328A - Low-voltage active filter cabinet with short-circuit protection independent module - Google Patents
Low-voltage active filter cabinet with short-circuit protection independent module Download PDFInfo
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- CN115714328A CN115714328A CN202211477427.1A CN202211477427A CN115714328A CN 115714328 A CN115714328 A CN 115714328A CN 202211477427 A CN202211477427 A CN 202211477427A CN 115714328 A CN115714328 A CN 115714328A
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- filter body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The invention discloses a low-voltage active filter cabinet with a short-circuit protection independent module, which relates to the technical field of active filter cabinets and comprises a low-voltage cabinet and drawers, wherein a main power supply socket is fixedly arranged on one side of the inner wall of the low-voltage cabinet, the main power supply socket is externally connected with an air circuit breaker, a secondary signal control socket is fixedly arranged on the other side of the inner wall of the low-voltage cabinet, the drawers are longitudinally arranged in the inner space of the low-voltage cabinet, a panel is fixedly arranged on the front side of each drawer in an integrated manner, a display screen is embedded in the middle of the panel, and a buckle is fixedly arranged on the back side of the panel. The drawer and the active filter body can be directly plugged and pulled out for maintenance without power failure, one active filter body can be reserved when necessary, and due to the design of a plurality of module cavities in the filter body, the drawer and the active filter body can be plugged and replaced immediately and can be used immediately, the power failure time is reduced, and in addition, short circuit protection is performed through the arrangement of the air circuit breaker, so that the operation safety of maintenance personnel is ensured.
Description
Technical Field
The invention relates to the technical field of active filter cabinets, in particular to a low-voltage active filter cabinet with a short-circuit protection independent module.
Background
The active filter cabinet is a novel power electronic device capable of dynamically inhibiting harmonic waves and compensating reactive power. It can compensate for harmonics of different amplitudes and frequencies and different reactive powers. The active filter cabinet is called an active filter because the equipment needs to be powered (to compensate for the harmonics of the main circuit). The application of the method can overcome the defects of the traditional LC filter and other harmonic suppression and reactive compensation methods (the traditional compensation can only be fixed), realize dynamic tracking compensation and simultaneously compensate harmonic waves and reactive power.
At present, an electric power system, a railway system and important equipment are very harsh on power supply reliability, the power supply system needs uninterrupted power supply, the maintenance without power outage is required, the equipment such as low-voltage cabinets and the like needs modular design, some equipment is provided, particularly an active filter needs to be maintained in an electrified way, a connecting bus is not disassembled, a module with a fault is replaced, the power outage time of the system is shortened, meanwhile, a corresponding protection device is required to perform short-circuit protection, the safety of maintenance personnel is guaranteed, and the existing equipment still has an improvement space in the field.
Therefore, in view of the above, research and improvement are performed to overcome the defects of the conventional structure, and a low-voltage active filter cabinet with an independent short-circuit protection module is provided.
Disclosure of Invention
The invention aims to provide a low-voltage active filter cabinet with a short-circuit protection independent module, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: including low-voltage cabinet and drawer, low-voltage cabinet inner wall one side fixed mounting has main power socket, and the external air circuit breaker of main power socket, low-voltage cabinet inner wall opposite side fixed mounting has secondary signal control socket, drawer longitudinal arrangement is in the low-voltage cabinet inner space, and the positive integral type fixed mounting of drawer has the panel, the display screen is installed in the embedding of panel middle part, and panel back fixed mounting has the buckle, the positive bottom of panel slides to peg graft and has the pull handle, and draws the handle to extend and be fixed with the inserted bar in the inside integral type of drawer, inside sunken catching groove has been seted up to the terminal circumference of inserted bar, and the inserted bar presses close to and draws one side root fixed mounting and have the stop collar, stop collar left side top fixed mounting has the hypoplastron, and the hypoplastron middle part runs through and has seted up the logical entry.
Further, drawer back integral type fixed mounting has the end plate, and the inside rotation of end plate installs and changes the roller, change the roller both ends and pass through torsional spring and end plate elastic connection, and change the winding of roller surface and have the spacer cloth, the spacer cloth covers and hangs the dress fixedly with the buckle on the drawer surface.
Furthermore, the inner side of the drawer is connected with a connecting wire, the tail end of the connecting wire is electrically connected with a filter body, the filter body is accepted in the inner space of the drawer, one side of the filter body is electrically connected with a main power socket through an air circuit breaker, and the other side of the filter body is electrically connected with a secondary signal control socket through the connecting wire.
Furthermore, the integrated type fixed mounting in wave filter body bottom has the upper plate, and runs through in the middle part of the upper plate and has seted up the through-hole mouth, the through-hole mouth staggers mutually with the access port under the drawer state of pulling open.
Further, a cooling circulation assembly is communicated between the drawer and the filter body and comprises a water pump and a circulation water channel, the water pump is arranged inside the left side of the drawer, and the top of the water pump is communicated with the inside of the filter body through the circulation water channel.
Furthermore, the cooling circulation assembly further comprises straight pipes and module cavities, the straight pipes are vertically communicated with the middle of the circulation water channel and transversely arranged inside the filter body at equal intervals, and the straight pipes divide the inner space of the filter body into a plurality of independent module cavities.
Further, the cooling circulation subassembly still includes water pipe, air-cooled storehouse and backward flow water course, the straight tube bottom has the water pipe through the access opening intercommunication, and the water pipe twines outside in air-cooled storehouse, inside drawer right side was located in the air-cooled storehouse, the terminal intercommunication of water pipe has the backward flow water course, and the backward flow water course is linked together through water pump and circulation water course and forms the closed loop.
Furthermore, drawer left side lower both sides turning all is equipped with the outage subassembly, the outage subassembly includes organism and plug, organism left side bottom is equipped with the plug, and the plug passes through main power source socket and secondary signal control socket and low-voltage cabinet electric connection.
Further, the power-off assembly further comprises a sliding groove and a protruding block, the sliding groove is formed in the middle of the machine body, the machine body is slidably mounted outside the protruding block through the sliding groove, and the protruding block is fixedly connected with the drawer in an integrated mode.
Further, the outage assembly further comprises a hanging plate, a spring column and a hook plate, the hanging plate is fixedly mounted at the bottom of the machine body and is connected with the left side of the drawer in an elastic mode through the right spring column, the hook plate is fixedly mounted on the right side of the machine body in an integrated mode and is fixedly embedded in the hook groove.
The invention provides a low-voltage active filter cabinet with a short-circuit protection independent module, which has the following beneficial effects: the drawer and the active filter body can be directly plugged and pulled out for maintenance without power failure, one active filter body can be reserved when necessary, and due to the design of a plurality of module cavities in the filter body, the drawer and the active filter body can be plugged and replaced as required, plug and play can be realized, the power failure time is reduced, in addition, short circuit protection is also carried out through the arrangement of an air circuit breaker, and the operation safety of maintenance personnel is ensured;
1. in the use process of the active filter, a power source assembly in a cooling circulation assembly is integrated in a drawer, a circulation water channel is integrated in an active filter body, when the active filter body is overhauled and replaced, the power source does not need to be replaced, the operation and maintenance cost is greatly reduced, cooling liquid is introduced into a return water channel in the drawer through the circulation water channel in the filter body under the action of a water pump, transverse equally-spaced straight pipes in the filter body are arranged, the filter body is divided into a plurality of independent module cavities, replacement of parts in the specified module cavities is facilitated for maintainers, plug-and-play and plug-and-play can be achieved, the power failure time is reduced, a water pipe is wound outside an air cooling bin, the heat exchange efficiency of the cooling liquid is improved in an air cooling and water cooling combined mode, the inner environment of the drawer is always suitable for arrangement of the active filter body, the service life and the working efficiency of the active filter body are improved, compared with the prior art, the heat dissipation of the active filter body is achieved only in a mode that air cooling is arranged in the interior of a low-voltage cabinet, the heat dissipation effect is poor, heat can rise and accumulate in the space above the low voltage cabinet, and the service life of the active filter body at the top of the low voltage cabinet is affected.
2. When the active filter is used, the space above the drawer can be completely covered by pulling the isolation cloth, and the isolation cloth is hung and fixed with the buckles on the front side of the drawer, so that the heat dissipation of the current active filter body is only limited in the drawer, the heat accumulation in the low-voltage cabinet can not be caused, and the stability of the running state of each layer of active filter body in the low-voltage cabinet is maintained.
3. In the use process of the invention, the drawer is electrically connected with the active filter body through the connecting wire penetrating through the back surface, and the input end of the connecting wire is electrically connected with the main power socket and the secondary signal control socket respectively, so that the drawer and the active filter body can be directly plugged and pulled out for maintenance under the condition of no power failure, the plug and play are realized, the power failure time is reduced, in addition, the short circuit protection is also realized through the arrangement of the air circuit breaker, the operation safety of maintenance personnel is ensured, compared with the defect that the filter body can be taken out under the condition of power failure of a low-voltage cabinet in the prior art, the mode can bring economic loss and safety risk in the long-time power failure in practical application, and the applicability is stronger through the maintenance of the filter body under the power failure state.
4. In the using process of the filter body replacement device, a maintainer pulls the pull handle, so that the through inlet of the lower plate is staggered with the through outlet of the upper plate, the connecting channel of the straight pipe communicated with the water pipe is disconnected, the maintainer can conveniently and independently take out the filter body without connecting a drawer and taking down the filter body together, the overhauling flow is simplified, the overhauling efficiency is improved, the time delay caused by replacing the filter body is shortened, and the power-off time of the low-voltage cabinet is shortened.
5. When the filter body is used, a maintainer pulls the pull handle, and on the other hand, the hook groove is clamped with the hook plate, so that the machine body is positioned on the bumps on the two sides of the left end of the drawer through the middle sliding groove and the bumps return, the spring column is extruded by the vertical plate to enable the plug to tilt from the main power supply socket, the power failure of the filter body is realized, the connection between the filter body and the electric wire of the low-voltage cabinet is timely cut off when the filter body needs to be replaced, and the safe operation of the maintainer is ensured.
Drawings
Fig. 1 is a schematic diagram of an overall position distribution structure of a low-voltage active filter cabinet provided with a short-circuit protection independent module according to the invention;
FIG. 2 is a schematic diagram of a top view of a drawer of a low-voltage active filter cabinet with an independent short-circuit protection module according to the present invention;
FIG. 3 is a schematic diagram of a side view of the drawer of the low voltage active filter cabinet with the short circuit protection independent module according to the present invention;
fig. 4 is a schematic drawing of a three-dimensional structure of a pull handle of a low-voltage active filter cabinet provided with a short-circuit protection independent module according to the present invention;
fig. 5 is a schematic diagram of the internal structure of the filter body of the low-voltage active filter cabinet provided with the short-circuit protection independent module according to the invention;
fig. 6 is a schematic diagram of a three-dimensional structure of an isolation cloth of a low-voltage active filter cabinet provided with a short-circuit protection independent module according to the present invention;
FIG. 7 is a schematic diagram of a side view of the drawer of the low voltage active filter cabinet with the short-circuit protection independent module according to the present invention;
fig. 8 is an enlarged schematic structural diagram of a portion a in fig. 7 of a low-voltage active filter cabinet provided with a short-circuit protection independent module according to the present invention.
In the figure: 1. a low-voltage cabinet; 2. a main power supply socket; 3. an air circuit breaker; 4. a secondary signal control socket; 5. a drawer; 6. a panel; 7. a display screen; 8. buckling; 9. pulling a handle; 10. inserting a rod; 11. hooking a groove; 12. a position limiting sleeve; 13. a lower plate; 14. an inlet; 15. an end plate; 16. rotating the roller; 17. a torsion spring; 18. an isolation cloth; 19. a connecting wire; 20. a filter body; 21. an upper plate; 22. an outlet; 23. a cooling circulation component; 2301. a water pump; 2302. a circulating water channel; 2303. a straight pipe; 2304. a module cavity; 2305. a water pipe; 2306. air cooling; 2307. a return water channel; 24. a power-off component; 2401. a body; 2402. a plug; 2403. a chute; 2404. a bump; 2405. a drop plate; 2406. a spring post; 2407. and a hook plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention
Referring to fig. 1 to 8, the present invention provides a technical solution: a low-voltage active filter cabinet with an independent short-circuit protection module comprises a low-voltage cabinet 1 and drawers 5, wherein a main power socket 2 is fixedly installed on one side of the inner wall of the low-voltage cabinet 1, the main power socket 2 is externally connected with an air circuit breaker 3, a secondary signal control socket 4 is fixedly installed on the other side of the inner wall of the low-voltage cabinet 1, the drawers 5 are longitudinally arranged in the inner space of the low-voltage cabinet 1, a panel 6 is fixedly installed on the front side of the drawers 5 in an integrated mode, a display screen 7 is installed in the middle of the panel 6 in an embedded mode, a buckle 8 is fixedly installed on the back side of the panel 6, a pull handle 9 is inserted into the bottom of the front side of the panel 6 in a sliding mode, an insertion rod 10 is fixed in the drawer 5 in an integrated mode after the pull handle 9 extends into the drawer, a sunken hook groove 11 is formed in the circumference of the tail end of the insertion rod 10, a limiting sleeve 12 is fixedly installed on the root of one side, a lower plate 13 is fixedly installed on the top of the left side of the limiting sleeve 12, and a through hole 14 is formed in the middle of the lower plate 13;
the filter body 20 does not need to be powered off with the low-voltage cabinet 1, the drawer 5 is electrically connected with the active filter body 20 through a connecting line 19 penetrating through the back surface, the input end of the connecting line 19 is electrically connected with the main power socket 2 and the secondary signal control socket 4 respectively, so that the power-on condition can be achieved without power failure, the drawer 5 can be directly plugged and pulled to overhaul the module cavity 2304 in the active filter body 20, the plug and play is realized, the power failure time is reduced, short-circuit protection is further realized through the arrangement of the air circuit breaker 3, the operation safety of an overhaul worker is ensured, the overhaul worker pulls the pull handle 9, on one hand, the access port 14 of the lower plate 13 is staggered with the access port 22 of the upper plate 21, the connecting channel of the straight pipe 2303 into the water pipe 2305 is disconnected, the power source component in the cooling circulation component 23 is integrated in the drawer 5, the circulation water pipe 2302 is integrated in the active filter body 20, when the overhaul replacement of the active filter body 20 is carried out, the power source replacement is not needed, the operation maintenance cost is greatly reduced, the filter body 20 does not need to be taken out independently, the drawer 5 is not needed, the overhaul efficiency is improved, and the overhaul efficiency is reduced, and the overhaul process of the low-on the low-off of the low-voltage filter 1 is simplified;
referring to fig. 2 and 6, an end plate 15 is fixedly installed on the back of a drawer 5 in an integrated manner, a rotating roller 16 is rotatably installed inside the end plate 15, two ends of the rotating roller 16 are elastically connected with the end plate 15 through a torsion spring 17, an isolating cloth 18 is wound on the surface of the rotating roller 16, the isolating cloth 18 covers the surface of the drawer 5 and is fixedly hung on a buckle 8, the inner side of the drawer 5 is connected with a connecting wire 19, the tail end of the connecting wire 19 is electrically connected with a filter body 20, the filter body 20 is received in the inner space of the drawer 5, one side of the filter body 20 is electrically connected with a main power supply socket 2 through an air circuit breaker 3, the other side of the filter body 20 is electrically connected with a secondary signal control socket 4 through the connecting wire 19, an upper plate 21 is fixedly installed on the bottom of the filter body 20 in an integrated manner, a through hole 22 is formed in the middle of the upper plate 21, and the through hole 22 is staggered with a through hole 14 in a state that the drawer 5 is pulled open;
the operation is as follows, the isolation cloth 18 is wound on the surface of the roller 16, two ends of the roller 16 are elastically connected with the end plate 15 through the torsion spring 17 to play a role of automatic reset, the isolation cloth 18 hidden on the back of the drawer 5 can completely cover the space above the drawer 5 by pulling the roller when in use, and is fixedly hung on the buckle 8 on the front of the drawer 5, so that the heat dissipation of the current active filter body 20 is only limited in the drawer 5, and the heat accumulation caused by the heat dissipation in the low-voltage cabinet 1 can not be caused, and the stability of the running state of each layer of active filter body 20 in the low-voltage cabinet 1 can be maintained;
referring to fig. 3 and 5, a cooling circulation assembly 23 is communicated between the drawer 5 and the filter body 20, the cooling circulation assembly 23 includes a water pump 2301 and a circulation water channel 2302, the water pump 2301 is disposed inside the left side of the drawer 5, the top of the water pump 2301 is communicated with the inside of the filter body 20 through the circulation water channel 2302, the cooling circulation assembly 23 further includes a straight pipe 2303 and a module cavity 2304, the straight pipe 2303 is vertically communicated with the middle of the circulation water channel 2302, the straight pipes 2303 are transversely arranged inside the filter body 20 at equal intervals, the straight pipe 2303 divides the inside of the filter body 20 into a plurality of independent module cavities 2304, the cooling circulation assembly 23 further includes a water pipe 2305, an air cooling chamber 2306 and a return water channel 2307, the bottom of the straight pipe 2303 is communicated with the water pipe 2305 through an inlet 14, the water pipe 2305 is wound outside the air cooling chamber 2306, the air cooling chamber 2306 is disposed inside the right side of the drawer 5, the tail end of the water pipe 2305 is communicated with the return water pipe 2307, and the return water channel 2301 is communicated with the circulation water channel 2302 to form a closed loop 2302;
the operation is as follows, the cooling liquid is led into the return water channel 2307 in the drawer 5 through the circulating water channel 2302 in the filter body 20 under the action of the water pump 2301, the arrangement of the transverse equidistant straight pipes 2303 in the filter body 20 divides the filter body 20 into a plurality of independent module cavities 2304, the replacement of parts in the designated module cavities 2304 by maintainers is facilitated, the water pipe 2305 is wound outside the air cooling bin 2306, the heat exchange efficiency of the cooling liquid is improved in a mode of combining air cooling and water cooling, the internal environment of the drawer 5 is always suitable for the arrangement of the active filter body 20, and the service life and the working efficiency of the active filter body 20 are improved;
referring to fig. 7 and 8, the corners of the lower left side of the drawer 5 are provided with the power-off assemblies 24, each power-off assembly 24 includes a body 2401 and a plug 2402, the bottom of the left side of the body 2401 is provided with the plug 2402, the plug 2402 is electrically connected to the low-voltage cabinet 1 through the main power source socket 2 and the secondary signal control socket 4, each power-off assembly 24 further includes a chute 2403 and a bump 2404, the middle of the body 2401 is provided with the chute 2403, the body 2401 is slidably mounted outside the bump 2404 through the chute 2403, the bump 2404 is fixedly connected with the drawer 5 in an integrated manner, each power-off assembly 24 further includes a hanging plate 2405, a spring post 2406 and a hook plate 2407, the bottom of the body 2401 is fixedly provided with a hanging plate 2405, the hanging plate 2405 is elastically connected with the lower left side of the drawer 5 through the spring post 2406 on the right side, the right side of the body 2401 is fixedly provided with the hook plate 2407 in an integrated manner, and the hook plate 2407 is embedded and fixed in the hook groove 11;
the operation is as follows, through the block of colluding groove 11 and colluding board 2407 for when organism 2401 lies in drawer 5 left end both sides lug 2404 through middle part spout 2403 and backs, hang board 2405 extrusion spring post 2406 and make plug 2402 by the perk in the main power source socket 2, realize the outage of wave filter body 20, make in time cut off when needing to change present wave filter body 20 and be connected with the electric wire of low-voltage cabinet 1, ensure maintainer's safe operation.
In conclusion, when the low-voltage active filter cabinet provided with the short-circuit protection independent module is used, cooling liquid is led into a return water channel 2307 in the drawer 5 through a circulating water channel 2302 in the filter body 20 under the action of a water pump 2301, the filter body 20 is divided into a plurality of independent module cavities 2304 through the arrangement of transverse equally-spaced straight pipes 2303 in the filter body 20, so that maintenance personnel can replace parts in the appointed module cavities 2304 conveniently, the water pipe 2305 is wound outside the air cooling bin 2306, the heat exchange efficiency of the cooling liquid is improved in an air cooling and water cooling combined mode, the inner environment of the drawer 5 is always suitable for the arrangement of the active filter body 20, the service life and the working efficiency of the active filter body 20 are improved, the isolation cloth 18 is wound on the surface of the rotating roller 16, the two ends of the rotating roller 16 are elastically connected with the end plate 15 through the torsion spring 17 to play an automatic resetting role, and the isolation cloth 18 hidden on the back of the drawer 5 is hidden, when in use, the space above the drawer 5 can be completely covered by pulling the active filter body 20, and the active filter body 20 is hung and fixed with the buckle 8 on the front side of the drawer 5, so that the heat dissipation of the active filter body 20 is only limited in the drawer 5 at present, and the heat can not be dissipated in the low-voltage cabinet 1 to cause heat accumulation, the stability of the running state of each layer of active filter body 20 in the low-voltage cabinet 1 is maintained, when maintenance is needed, the filter body 20 is distinguished according to specific actual conditions whether the current filter body 20 only needs to be maintained or integrally replaced by an independent module in the filter body, under the former condition, the filter body 20 does not need to be powered off with the low-voltage cabinet 1, the drawer 5 is electrically connected with the active filter body 20 through a connecting wire 19 penetrating through the back surface, and the input end of the connecting wire 19 is electrically connected with the main power supply socket 2 and the secondary signal control socket 4 respectively, so that the power supply can be stopped, direct plug-and-play drawer 5 overhauls the inside module chamber 2304 of active filter body 20, plug-and-play, reduce the power off time, in addition, still carry out short circuit protection through air circuit breaker 3's setting, ensure maintainer's operation safety, under the latter condition, maintainer is through the pulling to pulling handle 9, make the access port 14 of hypoplastron 13 stagger with the through-out port 22 of upper plate 21 on the one hand, make the connecting channel that straight tube 2303 lets in water pipe 2305 break off, the power source subassembly in cooling cycle subassembly 23 is integrated in drawer 5, and circulating water channel 2302 is integrated in active filter body 20, when carrying out the maintenance replacement of active filter body 20, need not to replace the power source, greatly reduce operation maintenance cost, make maintainer take out filter body 20 alone, and need not to connect drawer 5 and take off in the lump, simplify the maintenance flow, improve maintenance efficiency, the time that delays because of replacing filter body 20, reduce the outage duration of low-voltage cabinet 1, on the other hand through the block of 11 with colluding board 2407, make organism 2403 be located in the left part 2405 and the plug of plug 2404 of the plug, make the plug 2402 of the plug that the current plug that presses down the plug 2402 and push the plug that presses down on the filter body to realize the plug that the plug 2402 in time to realize the current that presses the filter body 2402 in time.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a low pressure active filter cabinet of independent module setting of short-circuit protection, a serial communication port, including low-voltage cabinet (1) and drawer (5), low-voltage cabinet (1) inner wall one side fixed mounting has main power socket (2), and main power socket (2) external air circuit breaker (3), low-voltage cabinet (1) inner wall opposite side fixed mounting has secondary signal control socket (4), drawer (5) longitudinal arrangement is in low-voltage cabinet (1) inner space, and drawer (5) front integral type fixed mounting has panel (6), panel (6) middle part embedding installs display screen (7), and panel (6) back fixed mounting has buckle (8), panel (6) front bottom slip grafting has pull handle (9), and pull handle (9) and extend and be fixed with inserted bar (10) in drawer (5) inside, inwards sunken catching groove (11) have been seted up to inserted bar (10) terminal circumference, and inserted bar (10) pull handle (9) one side root fixed mounting has spacing cover (12), spacing cover (12) left side fixed mounting has had and top fixed mounting has just seted up middle part (13) and run through hypoplastron (14).
2. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 1, wherein the drawer (5) is fixedly mounted on the back face of the end plate (15) in an integrated manner, the end plate (15) is internally rotatably mounted with a rotating roller (16), two ends of the rotating roller (16) are elastically connected with the end plate (15) through a torsion spring (17), an isolation cloth (18) is wound on the surface of the rotating roller (16), and the isolation cloth (18) is fixedly hung on the surface of the drawer (5) and fixed with a buckle (8).
3. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 1, wherein a connecting wire (19) is connected to the inner side of the drawer (5), the end of the connecting wire (19) is electrically connected with a filter body (20), the filter body (20) is received in the inner space of the drawer (5), one side of the filter body (20) is electrically connected with the main power socket (2) through an air circuit breaker (3), and the other side of the filter body (20) is electrically connected with the secondary signal control socket (4) through the connecting wire (19).
4. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 3, wherein an upper plate (21) is integrally and fixedly mounted at the bottom of the filter body (20), a through hole (22) is formed in the middle of the upper plate (21) in a penetrating manner, and the through hole (22) is staggered with the through hole (14) when the drawer (5) is in an open state.
5. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 1, wherein a cooling circulation component (23) is communicated between the drawer (5) and the filter body (20), the cooling circulation component (23) comprises a water pump (2301) and a circulation water channel (2302), the water pump (2301) is arranged inside the left side of the drawer (5), and the top of the water pump (2301) is communicated with the inside of the filter body (20) through the circulation water channel (2302).
6. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 5, wherein the cooling circulation assembly (23) further comprises a straight pipe (2303) and a module cavity (2304), the straight pipe (2303) is vertically communicated with the middle part of the circulation water channel (2302), the straight pipes (2303) are transversely arranged in the filter body (20) at equal intervals, and the straight pipes (2303) divide the inner space of the filter body (20) into the plurality of independent module cavities (2304).
7. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 6, wherein the cooling circulation assembly (23) further comprises a water pipe (2305), an air-cooled bin (2306) and a return water channel (2307), the bottom of the straight pipe (2303) is communicated with the water pipe (2305) through an inlet (14), the water pipe (2305) is wound outside the air-cooled bin (2306), the air-cooled bin (2306) is arranged inside the right side of the drawer (5), the tail end of the water pipe (2305) is communicated with the return water channel (2307), and the return water channel (2307) is communicated with the return water channel (2302) through a water pump (2301) to form a closed loop.
8. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 1, wherein the drawer (5) is provided with power-off components (24) at the lower left corners, each power-off component (24) comprises a machine body (2401) and a plug (2402), the plug (2402) is arranged at the bottom of the left side of the machine body (2401), and the plug (2402) is electrically connected with the low-voltage cabinet (1) through the main power socket (2) and the secondary signal control socket (4).
9. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 8, wherein the power-off assembly (24) further comprises a sliding groove (2403) and a protruding block (2404), the sliding groove (2403) is formed in the middle of the machine body (2401), the machine body (2401) is slidably mounted outside the protruding block (2404) through the sliding groove (2403), and the protruding block (2404) is integrally and fixedly connected with the drawer (5).
10. The low-voltage active filter cabinet provided with the short-circuit protection independent module according to claim 8, wherein the power-off assembly (24) further comprises a hanging plate (2405), a spring column (2406) and a hook plate (2407), the hanging plate (2405) is fixedly installed at the bottom of the machine body (2401), the hanging plate (2405) is elastically connected with the left side of the drawer (5) through the right spring column (2406), the hook plate (2407) is fixedly installed on the right side of the machine body (2401) in an integrated manner, and the hook plate (2407) is embedded and fixed in the hook groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477427.1A CN115714328B (en) | 2022-11-23 | 2022-11-23 | Low-voltage active filter cabinet with short-circuit protection independent modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477427.1A CN115714328B (en) | 2022-11-23 | 2022-11-23 | Low-voltage active filter cabinet with short-circuit protection independent modules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115714328A true CN115714328A (en) | 2023-02-24 |
| CN115714328B CN115714328B (en) | 2023-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211477427.1A Active CN115714328B (en) | 2022-11-23 | 2022-11-23 | Low-voltage active filter cabinet with short-circuit protection independent modules |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080925A (en) * | 2023-09-04 | 2023-11-17 | 江苏锦记智能电气科技有限公司 | Anti-interference active filter capable of being quickly connected and disassembled |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258599A (en) * | 2018-02-08 | 2018-07-06 | 来素霞 | A kind of water-cooling power distribution cabinet |
| CN110212433A (en) * | 2019-05-14 | 2019-09-06 | 绍兴多卡机械设备有限公司 | A kind of outdoor high and low voltage switchgear with automatic protective system |
| CN210201314U (en) * | 2019-08-21 | 2020-03-27 | 无锡亿能电力设备股份有限公司 | Drawer type active filter device convenient to overhaul |
| CN111900659A (en) * | 2020-08-07 | 2020-11-06 | 汪华衡 | Low-voltage draw-out type switch cabinet |
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2022
- 2022-11-23 CN CN202211477427.1A patent/CN115714328B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258599A (en) * | 2018-02-08 | 2018-07-06 | 来素霞 | A kind of water-cooling power distribution cabinet |
| CN110212433A (en) * | 2019-05-14 | 2019-09-06 | 绍兴多卡机械设备有限公司 | A kind of outdoor high and low voltage switchgear with automatic protective system |
| CN210201314U (en) * | 2019-08-21 | 2020-03-27 | 无锡亿能电力设备股份有限公司 | Drawer type active filter device convenient to overhaul |
| CN111900659A (en) * | 2020-08-07 | 2020-11-06 | 汪华衡 | Low-voltage draw-out type switch cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117080925A (en) * | 2023-09-04 | 2023-11-17 | 江苏锦记智能电气科技有限公司 | Anti-interference active filter capable of being quickly connected and disassembled |
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| Publication number | Publication date |
|---|---|
| CN115714328B (en) | 2023-07-07 |
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