CN116526350B - Comprehensive control cabinet for smart power grid - Google Patents

Comprehensive control cabinet for smart power grid Download PDF

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Publication number
CN116526350B
CN116526350B CN202310576918.XA CN202310576918A CN116526350B CN 116526350 B CN116526350 B CN 116526350B CN 202310576918 A CN202310576918 A CN 202310576918A CN 116526350 B CN116526350 B CN 116526350B
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CN
China
Prior art keywords
movable
cabinet body
drawers
drawer
electromagnetic shielding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310576918.XA
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Chinese (zh)
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CN116526350A (en
Inventor
许智伟
黄俊慧
苏东娇
黄俊杰
黄俊伟
黄俊敏
黄华欣
黄华涛
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Shenzhen Guangsider Technology Co ltd
Original Assignee
Shenzhen Guangsider Technology Co ltd
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Priority to CN202310576918.XA priority Critical patent/CN116526350B/en
Publication of CN116526350A publication Critical patent/CN116526350A/en
Application granted granted Critical
Publication of CN116526350B publication Critical patent/CN116526350B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/173Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/14Shutters or guards for preventing access to contacts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • H02B1/34Racks
    • H02B1/36Racks with withdrawable units
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/02Details
    • H02B11/04Isolating-contacts, e.g. mountings or shieldings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention discloses a comprehensive control cabinet for a smart grid, which comprises a cabinet body, wherein a plurality of drawers are arranged in the cabinet body, the drawers are arranged in an up-and-down arrangement mode in an electric installation cavity of the cabinet body in a floating manner, different power grid modules are respectively arranged in different drawers, and a clearance cavity is formed between every two adjacent drawers; the movable electromagnetic shielding devices are uniformly arranged between two adjacent drawers, and the size of a clearance cavity between the adjacent drawers is adjusted by accommodating and retracting the movable electromagnetic shielding devices into the inner part of the cabinet body. According to the invention, through the movable electromagnetic shielding device, gaps among the drawers are reasonably utilized during overhauling and maintenance, so that after the drawers are pulled out, larger gap spaces are obtained in the top area and the bottom area of the drawers, the whole drawers and the power grid module can be conveniently rotated, a better visual field and different visual angles are obtained, and the maintenance, upgrading and maintenance and overhaul operations are facilitated.

Description

Comprehensive control cabinet for smart power grid
Technical Field
The invention relates to the field of smart power grids, in particular to a comprehensive control cabinet for a smart power grid.
Background
The integrated control cabinet for the intelligent power grid is a key device for the intelligent power grid system and is used for centralized monitoring, management and control of power equipment.
Generally comprises the following key parts:
the cabinet body: the cabinet is typically made of metallic or non-metallic materials for mounting and protecting the electrical equipment inside. The cabinet body is designed by considering the factors of heat dissipation, dust prevention, water prevention and the like so as to ensure that the equipment can work normally in various environments.
Electric element: the integrated control cabinet for smart grid generally includes electrical components such as a circuit breaker, a relay, a transformer, a current transformer, a voltage transformer, and the like inside. These elements are responsible for performing different functions such as protection, control and measurement.
Controller and monitoring device: a controller such as a microprocessor or a computer is usually installed in the integrated control cabinet for realizing intelligent control and automation. In addition, monitoring devices, such as monitoring cameras, temperature sensors, etc., may also be included for monitoring the operating state of the device in real time.
And a communication module: in order to realize remote monitoring and management, the integrated control cabinet for the smart grid is usually required to be provided with a communication module, such as Ethernet, wi-Fi, cellular and the like. Through communication module, the switch board can carry out data exchange with other equipment or remote monitoring center.
Human-machine interface (HMI): for convenience of field operation and maintenance, the integrated control cabinets are usually equipped with a human-machine interface, such as a touch screen or keys, etc. The operator can check the running state, alarm information and the like of the equipment through a human-computer interface and perform corresponding operation.
And a power supply module: in order to ensure the normal operation of the equipment in the control cabinet, a stable power supply is required. The power module may include a switching power supply, an Uninterruptible Power Supply (UPS), or the like, for converting input ac or dc power to voltage and current required by the device.
Binding post and cable: the equipment in the integrated control cabinet for the smart grid needs to be electrically connected with the cable through a wiring terminal. These connections need to meet relevant standards and regulations to ensure safe and reliable operation of the device.
In the prior art, in order to make the integration level higher between each module for each module can install, dismantle and replace fast, conveniently maintains upgrading and overhauls, and a lot of drawer type structures that adopt have following advantage:
the drawer type design fully utilizes the vertical space and places the equipment in layers. Therefore, more devices can be accommodated in a limited space, the floor area of the cabinet body is reduced, operators can easily draw out a certain layer of devices, access and operation are convenient, difficulty in finding specific devices in a compact layout is avoided, working efficiency is improved, operators can easily draw out a certain layer of devices, and access and operation are convenient. This avoids the difficulty of finding a particular device in a compact layout, improving the efficiency of operation. Although drawer type layout can solve many problems, there are also many problems:
because the equipment is closely piled up, the clearance between the drawers becomes very narrow and small, although this kind of mode can reduce the whole volume of whole cabinet body, but narrow and small space leads to the drawer after opening, the visual field exposes inconspicuously, there are a great deal of visual field blind areas when overhauling, maintenance, can not obtain more spaces through modes such as rotatory, pull and solve this problem, and narrow and compact space is unfavorable for operating personnel's normal operation, influence the operation, and compact space makes the electromagnetic interference problem between the equipment more serious, if set up electromagnetic shield layer, electromagnetic shield layer also can increase the interval between the adjacent drawers, occupation space, further reduce the interval between the drawers.
Disclosure of Invention
In order to solve the problems, the invention provides the integrated control cabinet for the smart grid, which can reduce the volume of the integrated control cabinet by utilizing a compact integration mode of a drawer, obtain enough visual fields and view angles in different directions, and further utilize maintenance, upgrade and overhaul maintenance, so that a plurality of defects in the prior art can be effectively solved by virtue of a movable electromagnetic shielding device capable of being opened and folded and a floating structure of the drawer.
The invention is realized by the following technical scheme: an integrated control cabinet for a smart grid, comprising:
the cabinet body is internally provided with an electric installation cavity, a cabinet door is arranged on the cabinet body, and the electric installation cavity is sealed by the cabinet door;
the drawers are arranged in the electrical installation cavity of the cabinet body in a floating mode, different power grid modules are respectively arranged in different drawers, and a clearance cavity is formed between every two adjacent drawers;
the movable electromagnetic shielding devices are uniformly arranged between two adjacent drawers, and the size of a clearance cavity between the adjacent drawers is adjusted by accommodating and retracting the movable electromagnetic shielding devices into the inner part of the cabinet body.
As the preferable technical scheme, two sides of the drawer are respectively provided with a first floating cavity;
the first guide sliding block is installed in the first floating cavity, the first guide sliding block is slidably installed in the first floating cavity, the first guide sliding block vertically slides in the first floating cavity, the first floating springs are fixedly installed at the upper end and the lower end of the first guide sliding block, the other ends of the first floating springs are fixedly connected with the first floating cavity, and each drawer is slidably assembled in a track rod installed on the inner wall of the cabinet body through the first guide sliding block.
As the preferable technical scheme, the top both sides and the bottom both sides of drawer all are provided with protruding contact patch, all are provided with one section slope guide surface on every contact patch, slope guide surface is towards the cabinet door direction of the cabinet body, movable electromagnetic shield device corresponds the position of slope guide surface and is provided with the contact roller, when movable electromagnetic shield device shrink to the cabinet body inside, utilize contact roller and contact patch contact for the drawer is through the first guide slide of both sides upward movement or downward movement.
As an optimized technical scheme, the movable electromagnetic shielding devices comprise flexible electromagnetic shielding layers, movable rods, arc-shaped mounting plates and contact rollers, one ends of the electromagnetic shielding layers are fixedly connected with the movable rods, the other ends of the electromagnetic shielding layers are fixedly connected with a backboard in the cabinet body, roller mounting grooves are formed in the arc-shaped mounting plates, and the contact rollers are arranged in the roller mounting grooves in a rolling mode;
a slot is formed in one side, deviating from the electromagnetic shielding layer, of the movable rod, one end of the arc-shaped mounting plate is inserted into the slot, a hand screw is arranged at the top of the movable rod, after one end of the arc-shaped mounting plate is inserted into the slot of the movable rod, the inserted arc-shaped mounting plate is locked by the hand screw, and the position change of the contact roller on the height is controlled by adjusting the direction of inserting the front side and the back side of the arc-shaped mounting plate into the movable rod.
As the preferable technical scheme, two sides of the movable rod are respectively and slidably arranged in the movable sliding groove formed in the inner wall surface of the cabinet body, the movable sliding grooves are internally and fixedly provided with air bag strips, when the movable rod is slidably arranged in the movable sliding groove, one side of the movable rod is contacted with one side of the air bag strips, each air bag strip is connected with a sealing cavity formed in the cabinet body through a connecting pipe in an air guide way, and when the air bag strips are extruded, air enters the sealing cavity;
the utility model discloses a movable electromagnetic shielding device, including movable rod, actuating mechanism, contact roller and drawer, the both sides terminal surface of movable rod sets up an assembly groove respectively, and the equal dismouting type inserts extension convex part in the assembly groove, extends the convex part and passes movable spout and stretch into in the intermediate layer that the cabinet body both sides were seted up, the movable rod is driven through the actuating mechanism that sets up in the intermediate layer, and then opens electromagnetic shielding layer and will contact the contact roller with the contact piece on the drawer, when movable electromagnetic shielding device was opened by actuating mechanism, extrudeed the gasbag strip that sets up in movable spout by movable rod.
As the preferable technical scheme, actuating mechanism is including setting up two electric putter in the intermediate layer respectively, electric putter's output all is connected with a actuating lever, electric putter bottom sets up the supporting seat, and the actuating lever is located and keeps away from extension convex part one side.
As the preferred technical scheme, the back of every drawer is all fixed and is provided with rotatory telescopic machanism, and every drawer passes through rotatory telescopic machanism to be fixed on the backplate of the internal portion of cabinet, and when movable electromagnetic shield device contracted into the internal portion of cabinet, rotatory telescopic machanism was ejecting, and drawer and corresponding electric wire netting module were ejecting this moment, and rotatory telescopic machanism all communicates with each other with the sealed chamber at the back of the cabinet body, and when the gas of sealed chamber input gasbag strip, it is ejecting with rotatory telescopic machanism to utilize gas, and then makes the drawer stretch out to the external portion of cabinet.
As the preferable technical scheme, rotatory telescopic machanism all installs in the second that the drawer back was seted up and float the intracavity, the equal slidable mounting in the second floats the intracavity and is guided the slider by the second, the second leads the slider and reciprocates in the second and float the intracavity, and the equal fixed mounting in lower extreme has the second to float the spring about the second to lead the slider, the other end and the second that float the chamber fixed connection of second float the spring, rotatory telescopic machanism fixed mounting is on the second leads the slider.
As the preferred technical scheme, rotatory telescopic machanism includes fixed section of thick bamboo, flexible cover, telescopic link and activity stopper, have flexible chamber in the fixed section of thick bamboo, the activity stopper seals up and sets up in flexible intracavity, flexible cover one end and activity stopper one side terminal surface fixed connection, the opposite side fixed mounting of activity stopper has multiunit connecting spring, connecting spring's the other end and the connecting end fixed connection of fixed section of thick bamboo one side, fixed section of thick bamboo fixed suit is in the installation section of thick bamboo that sets up on the backplate, and fixed section of thick bamboo and the contact surface of installation section of thick bamboo beat glue sealedly, fixed section of thick bamboo has an business turn over gas pocket, the business turn over gas pocket is sealed to switch on with the sealed chamber in the cabinet body, the other end and the second direction slider fixed connection of telescopic link.
As a preferred technical solution, a locking screw is provided on either one of the rail bars or on both sides of the rail bar, by means of which the first guide slider fitted into the rail bar is locked.
The beneficial effects of the invention are as follows: 1. according to the invention, the drawer type structure is adopted to integrate all power grid modules together, and the internal space of the cabinet body is reasonably utilized, so that the whole control cabinet can be smaller in volume and more compact in structure;
2. according to the invention, the movable electromagnetic shielding device capable of being pulled, opened and stored is arranged between the adjacent drawers, electromagnetic interference of the upper power grid module and the lower power grid module can be effectively isolated by utilizing the movable electromagnetic shielding device, and meanwhile, the movable electromagnetic shielding device can be stored during maintenance, so that maintenance space is not occupied;
3. according to the invention, when a drawer at a certain position needs to be opened, the movable electromagnetic shielding device is utilized to prop up the distance between the upper end and the lower end of the drawer position, so that the gap space between other drawers is obtained, the space at other positions is reasonably utilized to obtain a larger space for upgrading, maintenance and overhaul, the space is enough to be used for circumferential steering, steering operation can be performed without pulling out the drawers completely, different operation angles can be obtained while more fields of view are obtained, and the blind area of the fields of view is reduced;
4. the opening structure of the movable electromagnetic shielding device not only can store the movable electromagnetic shielding device without influencing personnel operation, but also can prop up drawers at the upper end and the lower end of the corresponding positions to obtain larger operation space in the opening process of the movable electromagnetic shielding device, and in addition, the structure can enable the drawers to be operated to realize automatic ejection and retraction, so that the operation is more labor-saving and convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the cabinet door of the present invention;
FIG. 3 is a schematic view of the structure of the exposed interlayer of the present invention;
FIG. 4 is a schematic view of the internal structure of the cabinet of the present invention after the cabinet is removed;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a schematic view of the internal structure of the cabinet according to the present invention from another view angle;
FIG. 7 is a schematic view of the back structure of the cabinet and back plate removed according to the present invention;
FIG. 8 is a schematic cross-sectional view of the present invention;
FIG. 9 is an enlarged view of a portion of the invention at B in FIG. 8;
FIG. 10 is a schematic cross-sectional view of a single tap of the invention;
FIG. 11 is a schematic view of the structure of the movable rod of the present invention;
reference numerals illustrate:
1. a cabinet body; 2. a cabinet door; 3. a power grid module; 4. an arc-shaped mounting plate; 5. a contact roller; 6. a track rod; 7. a first guide slider; 8. a drawer; 9. a contact piece; 10. an interlayer; 11. an electric push rod; 13. an airbag strip; 14. an electromagnetic shielding layer; 15. rotating the handle; 16. a movable rod; 17. a driving rod; 18. a rotary telescopic mechanism; 19. screwing the screw by hand; 20. a first floating chamber; 21. a back plate; 22. a first floating spring; 23. a second floating spring; 24. a second guide slider; 25. sealing the cavity; 65. locking a screw; 91. a sloped guide surface; 161. an extension protrusion; 162. a slot; 181. air inlet and outlet holes; 182. a connecting end face; 183. a connecting spring; 184. a fixed cylinder; 185. a movable plug; 186. a telescopic sleeve; 187. a telescopic rod; 188. a telescopic chamber; 211. and (5) installing a barrel.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
In the description of the present invention, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Terms such as "upper," "lower," and the like used herein to refer to a spatially relative position are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 and fig. 2, the integrated control cabinet for the smart grid comprises a cabinet body 1, wherein an electric installation cavity is formed in the cabinet body 1, a cabinet door 2 is installed on the cabinet body 1, the electric installation cavity is sealed by the cabinet door 2, when the integrated control cabinet is not used, the cabinet door 2 is closed, when the integrated control cabinet is opened, a door lock can be installed on the cabinet door 2, and safety is improved;
in order to enable each power grid module 3 to be better distributed and installed, and facilitate later-stage technical upgrading, maintenance and servicing, in the embodiment, a plurality of drawers 8 are used, different power grid modules 3 are respectively arranged in different drawers 8, modularization management is performed, when the operation is needed in the later stage, the corresponding drawers 8 are pulled out, quick upgrading, maintenance or servicing can be performed, each drawer 8 is floatingly installed in the electric installation cavity of the cabinet body 1 in an up-down arrangement mode, a clearance cavity is not formed between every two adjacent drawers 8, and when upgrading, maintaining or servicing is performed on one drawer 8, the clearance between other drawers 8 can be used, so that the clearance space at the position of the operation drawer 8 is enlarged;
in order to prevent the power grid modules 3 from being too close to each other and being affected by electromagnetic effects, in this embodiment, a movable electromagnetic shielding device is further installed between two adjacent drawers 8, and the size of a gap cavity between the adjacent drawers 8 is adjusted by retracting the movable electromagnetic shielding device into the cabinet body 1, and the gap adjustment is realized by means of the movable electromagnetic shielding device, which will be described in detail later. It should be noted that, the movable electromagnetic shielding device described herein may be stored and retracted inside the cabinet body 1, so when the cabinet body 1 is normally used, the movable electromagnetic shielding device is unfolded and covered between the upper drawer 8 and the lower drawer 8 for electromagnetic shielding, electromagnetic influence between the power grid modules 3 is reduced, and when technical upgrade, maintenance or service is required to be performed on the power grid modules 3 at the corresponding positions, the movable electromagnetic shielding device may be stored, so that the movable electromagnetic shielding device does not occupy a maintenance space.
Referring to fig. 4 and 5, two sides of each drawer 8 are respectively provided with a first floating cavity 20, a first guiding sliding block 7 is installed in each first floating cavity 20, the first guiding sliding block 7 is slidably installed in each first floating cavity 20, the first guiding sliding block 7 slides up and down in each first floating cavity 20, the upper end and the lower end of each first guiding sliding block 7 are fixedly provided with a first floating spring 22, the other end of each first floating spring 22 is fixedly connected with each first floating cavity 20, each drawer 8 is slidably assembled in a track rod 6 installed on the inner wall of the cabinet body 1 through the first guiding sliding block 7, and as the two sides of each drawer 8 are respectively provided with the first floating cavities 20, the first guiding sliding blocks 7 on the two sides of each drawer 8 can slide up or down in the first floating cavities 20, and when the first guiding sliding block 7 is slidably assembled in the track rod 6, the first guiding sliding block 7 cannot move in the height direction, so that the drawer 8 is extruded by the top or bottom, and under the first floating springs 22 and the first elastic sliding blocks 8 can work or move down, namely, the drawer 8 moves upwards or downwards;
in order to realize better floating guiding, a sliding contact surface between the first guiding sliding block 7 and the first floating cavity 20 can be provided with a guiding sliding rod and a guiding sliding groove, so that the drawer 8 can slide in a guiding manner relative to the first guiding sliding block 7, and the drawer 8 and the track rod 6 are prevented from being shifted in position in a traditional sliding assembly manner, and details are omitted.
Referring to fig. 6-7, protrusions protruding to the contact pieces 9 are disposed on both sides of the top and both sides of the bottom of the drawer 8, a section of inclined guide surface 91 is disposed on each contact piece 9, the inclined guide surface 91 faces the direction of the cabinet door 2 of the cabinet body 1, and the direction in which the inclined guide surface 91 guides faces the movable electromagnetic shielding device, when the movable electromagnetic shielding device is unfolded, the movable electromagnetic shielding device will not contact with the inclined guide surface 91 of the contact piece 9; in order to enable the movable electromagnetic shielding device to open, the drawer 8 at the upper end and the lower end can be unfolded, and better guide is achieved, in this embodiment, the movable electromagnetic shielding device is provided with a contact roller 5 corresponding to the position of the inclined guide surface 91, when the movable electromagnetic shielding device is retracted into the cabinet body 1, the contact roller 5 is utilized to contact with the contact piece 9, so that the drawer 8 moves upwards or downwards through the first guide sliding blocks 7 at two sides, when the movable electromagnetic shielding device is retracted and accommodated, the contact roller 5 of the movable electromagnetic shielding device is in rolling contact with the inclined guide surface 91, and then the drawer 8 at the upper end or the lower end is unfolded, or simultaneously the drawer 8 at the upper end and the lower end is unfolded towards the far end away from the movable electromagnetic shielding device.
Referring to fig. 4, 6 and 8, the movable electromagnetic shielding device comprises a flexible electromagnetic shielding layer 14, a movable rod 16, an arc-shaped mounting plate 4 and a contact roller 5, one end of the electromagnetic shielding layer 14 is fixedly connected with the movable rod 16, the other end of the electromagnetic shielding layer is fixedly connected with a backboard 21 inside the cabinet body 1, roller mounting grooves are formed in the arc-shaped mounting plate 4, the contact roller 5 is arranged in the roller mounting grooves in a rolling manner, and the contact roller 5 is arranged at a position opposite to the contact piece 9, so when the whole movable electromagnetic shielding device is stored, the contact roller 5 is finally in rolling contact with the contact piece 9, along with the continuous storage to press the drawer 8 at the upper end or the lower end, further, the drawer 8 at the position needing to be operated can take a larger operation space by virtue of the drawer 8, when attention is needed here, the orientation of the arc-shaped mounting plate 4 is critical, namely, when the arc-shaped mounting plate 4 is upwards, the position of the contact roller 5 is upwards, when the movable electromagnetic shielding device is stored, the contact roller 5 is in contact with the drawer 8 at the top, namely, when the two opposite positions of the drawer 8 are upwards, namely, the two opposite to the position of the drawer 8 are upwards when the movable shielding device is lifted, namely when the drawer 8 is upwards, the position is opposite to the position of the drawer 8, and when the movable shielding device is upwards, and the drawer 8 is upwards is correspondingly contacted with the drawer 8, and the position, namely when the position is opposite to the position, which is needed, the drawer 8 positioned in the middle of the position can obtain the clearance space generated by the top drawer 8 and the bottom drawer 8 for the withdrawal of the drawers, the drawer 8 positioned between the two movable electromagnetic shielding devices can obtain larger operation space at the top and bottom positions, and the drawers 8 at the rest positions need to be kept still, so that the movable electromagnetic shielding devices at the ends of the drawers 8 at the rest positions need not to be stored;
it should be noted that, in the present embodiment, the electromagnetic shielding layer 14 is flexible, and can be conveniently opened and received, for example, including metals with high magnetic permeability, such as iron, nickel, silicon steel, superconducting magnets, etc., which can effectively absorb and redirect electromagnetic radiation, reduce electromagnetic interference, and can be processed into flexible form in various ways. For example, they may be formed into films or woven fabrics, or into flexible plastics or rubber with metal particles, which flexible design may allow the electromagnetic shield 14 to more easily accommodate devices or spaces of various shapes and sizes;
a slot 162 is formed in one side, away from the electromagnetic shielding layer 14, of the movable rod 16, one end of the arc-shaped mounting plate 4 is inserted into the slot 162, a hand screw 19 is arranged at the top position of the movable rod 16, after one end of the arc-shaped mounting plate 4 is inserted into the slot 162 of the movable rod 16, the inserted arc-shaped mounting plate 4 is locked by the hand screw 19, the position change of the contact roller 5 in height is controlled by adjusting the direction of inserting the front side and the back side of the arc-shaped mounting plate 4 into the movable rod 16, between operations, the hand screw 19 is loosened, the direction of the arc-shaped mounting plate 4 is adjusted, the arc-shaped mounting plate 4 is inserted into the slot 162, the hand screw 19 is locked, the fixing of the arc-shaped mounting plate 4 can be completed, simplicity and convenience are achieved, and as shown in fig. 8, the installation position of the arc-shaped mounting plate 4 can be manually adjusted according to requirements.
The two sides of the movable rod 16 are respectively and slidably arranged in a movable chute formed in the inner wall surface of the cabinet body 1, the movable chute is internally and fixedly provided with air bag strips 13, when the movable rod 16 is slidably arranged in the movable chute, one side of the movable rod 16 is contacted with one side of the air bag strips 13, each air bag strip 13 is connected with a sealing cavity 25 formed in the cabinet body 1 through a connecting pipe in an air guide manner, when the air bag strips 13 are extruded, air enters the sealing cavity 25, when the movable electromagnetic shielding device is retracted, the movable rod 16 can slide along the movable chute of the cabinet body 1 in a guide manner, and as the air bag strips 13 are arranged in the movable chute, the air bag strips 13 in the movable chute can be extruded during sliding, and the extrusion action of the air bag strips 13 is specifically introduced;
referring to fig. 11, two side end surfaces of a movable rod 16 are respectively provided with an assembly groove, the assembly grooves are respectively provided with a detachable insertion extension convex part 161, the extension convex part 161 penetrates through the movable chute and extends into an interlayer 10 arranged at two sides of a cabinet body 1, the movable rod 16 is driven by a driving mechanism arranged in the interlayer 10, and then an electromagnetic shielding layer 14 is opened and a contact roller 5 is contacted with a contact piece 9 on a drawer 8, when the movable electromagnetic shielding device is opened by the driving mechanism, an air bag strip 13 arranged in the movable chute is extruded by the movable rod 16; the extension convex part 161 can be disassembled and assembled, and the condition of the disassembly and the assembly is that when the drawer 8 at the corresponding position does not need to be spatially displaced, the extension convex parts 161 at the two sides of the movable rod 16 at the corresponding position can be manually disassembled, after the extension convex part 161 is disassembled, the movable rod 16 cannot extend into the interlayer 10, when the movable rod 16 is displaced along the movable sliding chute, the air bag strip 13 in the movable sliding chute can be extruded, the assembly surfaces of the extension convex part 161 and the movable strip can be assembled by adopting a buckle, or threaded rods are arranged on the extension convex part 161 in a protruding mode, internal threads are arranged in the assembly grooves at the two sides of the movable rod 16, the two are assembled by threads, and the disassembly and the assembly are convenient.
In this embodiment, the driving mechanism includes two electric push rods 11 respectively disposed in the interlayer 10, as shown in fig. 3, the output ends of the electric push rods 11 are all connected with a driving rod 17, the bottom of the electric push rod 11 is provided with a supporting seat, the driving rod 17 is located at a side far away from the extending protrusion 161, when the extending protrusion 161 is installed on the movable rod 16, the driving rod 17 can contact with the extending protrusion 161 when the electric push rod 11 retracts, and then drives the movable rod 16 to slide in the movable chute to squeeze the air bag strip 13, so when the movable rod 16 does not need to be displaced, that is, when the movable electromagnetic shielding device at the corresponding position does not need to be controlled, only the extending protrusion 161 at the corresponding position is required to be detached, the driving rod 17 does not contact the movable rod 16 in the retracting process, and when the driving is required, the extending protrusion 161 is installed.
As shown in fig. 8-10, a rotary telescopic mechanism 18 is fixedly arranged at the back of each drawer 8, each drawer 8 is fixed on a back plate 21 inside the cabinet body 1 through a rotary telescopic structure, when the movable electromagnetic shielding device is retracted into the cabinet body 1, the rotary telescopic mechanism 18 is ejected, at the moment, the drawers 8 and the corresponding power grid modules 3 are ejected, the rotary telescopic mechanism 18 is communicated with a sealing cavity 25 at the back of the cabinet body 1, when the sealing cavity 25 inputs the air of the air bag strips 13, the rotary telescopic mechanism 18 is ejected by the air, so that the drawers 8 extend out of the cabinet body 1, the rotary telescopic structure has the function of enabling the drawers 8 to be ejected by the air, namely, the air can enter the sealing cavity 25 after the air bag strips 13 are extruded out of the air, and then the rotary telescopic structure at the corresponding positions is ejected, so that the length of the rotary telescopic structure extends out, the purpose of automatically ejecting the drawers 8 is realized, and the structure can enable the drawers 8 to rotate, so that different viewing angles can be obtained.
Specifically, the rotary telescopic mechanism 18 is installed in a second floating cavity formed in the back of the drawer 8, the second floating cavity is slidably provided with a second guide sliding block 24, the second guide sliding block 24 moves up and down in the second floating cavity, the upper end and the lower end of the second guide sliding block 24 are fixedly provided with a second floating spring 23, the other end of the second floating spring 23 is fixedly connected with the second floating cavity, the rotary telescopic mechanism 18 is fixedly installed on the second guide sliding block 24, when the drawer 8 is extruded, the whole drawer 8 can be allowed to realize floating and retract by matching with the first guide sliding block 7 and the second guide sliding block 24, a required drawer 8 can obtain a larger operation space, and the sliding assembly structure of the second guide sliding block 24 and the second floating cavity is identical to the sliding assembly structure of the first guide sliding block 7 and the second floating cavity.
The rotary telescopic mechanism 18 comprises a fixed cylinder 184, a telescopic sleeve 186, a telescopic rod 187 and a movable plug 185, wherein a telescopic cavity 188 is arranged in the fixed cylinder 184, the movable plug 185 is arranged in the telescopic cavity 188 in a sealing way, one end of the telescopic sleeve 186 is fixedly connected with one side end face of the movable plug 185, a plurality of groups of connecting springs 183 are fixedly arranged on the other side of the movable plug 185, the other end of the connecting springs 183 is fixedly connected with the connecting end face 182 on one side of the fixed cylinder 184, the fixed cylinder 184 is fixedly sleeved in an installation cylinder 211 arranged on a back plate 21, the contact surface of the fixed cylinder 184 and the installation cylinder 211 is sealed by glue, the fixed cylinder 184 is provided with an air inlet and outlet hole 181, the air inlet and outlet hole 181 is communicated with a sealing cavity 25 in the cabinet body 1 in a sealing way, the other end of telescopic link 187 and second guide slide 24 fixed connection, telescopic link 187 can outwards pull out relative telescopic sleeve 186, after business turn over gas pocket 181 is admitted air, gas can promote movable stopper 185, and make connecting spring 183 tensile, movable stopper 185 removes and then release telescopic sleeve 186, telescopic sleeve 186 release and then push out drawer 8, can the manual stretching drawer 8 after ejecting, make telescopic link 187 pull out in from telescopic sleeve 186, increase the length after drawer 8 pulls out, convenient operation, telescopic link 187 can with telescopic sleeve 186 relative rotation, make drawer 8 also can rotate, after gasbag strip 13 resets, gas is discharged from business turn over gas pocket 181, connecting spring 183 resets, the manual work pushes telescopic link 187, and then reset drawer 8.
The locking screw 65 is arranged on the track rod 6 at any side or the track rods 6 at both sides, the first guide sliding blocks 7 which are arranged in the track rod 6 are locked through the locking screw 65, all the drawers 8 are locked before being operated, and at the moment, even if air enters the air inlet and outlet holes 181, the movable plugs 185 cannot be pushed out, so that if the freedom of the corresponding drawers 8 is required, only the locking screw 65 on the corresponding drawers 8 is required to be loosened, the air bag strip 13 is extruded at the moment, and the air can be used for pushing out the drawers 8 at the loosening position, thereby realizing the purpose of automatic ejection.
Taking the structure in fig. 8 as an example, two drawers 8 at the arrow position are floating drawers 8, at this time, the locking screws 65 of the two drawers 8 are loosened, the middle between the two drawers 8 is required to be upgraded, maintained and overhauled, then the installation direction of the arc-shaped installation plate 4 is towards the opposite side, so that the contact roller 5 on the arc-shaped installation plate 4 can be far away from the drawers 8 needing to be operated, then the extending convex part 161 on one side of the movable rod 16 which does not need to be retracted is removed, the driving mechanism retracts, the movable electromagnetic shielding devices at the upper end and the lower end of the drawers 8 needing to be operated are driven to retract, in the retracting process, the contact roller 5 of the movable electromagnetic shielding devices is respectively contacted with the contact pieces 9 on the drawers 8 at the corresponding positions, and then the drawers 8 need to be operated continuously along the inclined guide surface 91, namely the drawers 8 which need to be operated are opened, after the drawers 8 which need to be operated are opened can obtain larger space in the top area and the bottom area, after the drawers 8 are ejected, the drawers 8 are manually pulled out until the first guide slide block 7 and the first guide rail 7 are separated from the drawers 8, at this time, the circumference of the drawer 8 can be conveniently rotated by the aid of the rotating mechanism, and the circumference of the rotating direction of the drawer 8 can be conveniently rotated by the rotating direction of the rotary handle 18. After the operation is completed, the drawer 8 is kept horizontal, and then the first guide slide block 7 is pushed into the track rod 6, and the locking screw 65 is locked.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (6)

1. An integrated control cabinet for a smart power grid, comprising:
the cabinet comprises a cabinet body (1), wherein an electrical installation cavity is formed in the cabinet body (1), a cabinet door (2) is arranged on the cabinet body (1), and the electrical installation cavity is sealed by the cabinet door (2);
the drawers (8) are arranged in an up-down floating mode in the electric installation cavity of the cabinet body (1), different power grid modules (3) are respectively arranged in different drawers (8), and a clearance cavity is formed between every two adjacent drawers (8);
the movable electromagnetic shielding devices are uniformly arranged between two adjacent drawers (8), and the size of a clearance cavity between the adjacent drawers (8) is adjusted by accommodating and retracting the movable electromagnetic shielding devices into the cabinet body (1); two sides of the drawer (8) are respectively provided with a first floating cavity (20);
a first guide sliding block (7) is arranged in the first floating cavity (20), the first guide sliding block (7) is slidably arranged in the first floating cavity (20), the first guide sliding block (7) slides up and down in the first floating cavity (20), a first floating spring (22) is fixedly arranged at the upper end and the lower end of the first guide sliding block (7), the first floating spring (22) is fixedly connected with the first floating cavity (20), and each drawer (8) is slidably assembled in a track rod (6) arranged on the inner wall of the cabinet body (1) through the first guide sliding block (7); protruding contact pieces (9) are arranged on two sides of the top and two sides of the bottom of the drawer (8), a section of inclined guide surface (91) is arranged on each contact piece (9), the inclined guide surface (91) faces the direction of a cabinet door (2) of the cabinet body (1), contact rollers (5) are arranged at positions of the movable electromagnetic shielding devices corresponding to the inclined guide surfaces (91), and when the movable electromagnetic shielding devices are retracted into the cabinet body (1), the contact rollers (5) are used for contacting with the contact pieces (9) so that the drawer (8) moves upwards or downwards through first guide sliding blocks (7) on two sides; the movable electromagnetic shielding devices comprise flexible electromagnetic shielding layers (14), movable rods (16), arc-shaped mounting plates (4) and contact rollers (5), one ends of the electromagnetic shielding layers (14) are fixedly connected with the movable rods (16), the other ends of the electromagnetic shielding layers are fixedly connected with a backboard (21) inside the cabinet body (1), roller mounting grooves are formed in the arc-shaped mounting plates (4), and the contact rollers (5) are arranged in the roller mounting grooves in a rolling mode;
one side of the movable rod (16) deviating from the electromagnetic shielding layer (14) is provided with a slot (162), one end of the arc-shaped mounting plate (4) is inserted into the slot (162), a hand screw (19) is arranged at the top of the movable rod (16), after one end of the arc-shaped mounting plate (4) is inserted into the slot (162) of the movable rod (16), the inserted arc-shaped mounting plate (4) is locked by the hand screw (19), and the position change of the contact roller (5) in height is controlled by adjusting the direction of inserting the front side and the back side of the arc-shaped mounting plate (4) into the movable rod (16); the two sides of the movable rod (16) are respectively and slidably arranged in movable sliding grooves formed in the inner wall surface of the cabinet body (1), air bag strips (13) are fixedly arranged in the movable sliding grooves, when the movable rod (16) is slidably arranged in the movable sliding grooves, one side of the movable rod (16) is contacted with one side of the air bag strips (13), each air bag strip (13) is connected with a sealing cavity (25) formed in the cabinet body (1) through a connecting pipe in an air guide way, and when the air bag strips (13) are extruded, air enters the sealing cavity (25);
the movable rod (16) is driven by a driving mechanism arranged in the interlayer (10), and then an electromagnetic shielding layer (14) is opened, and a contact roller (5) is contacted with a contact piece (9) on a drawer (8), so that when the movable electromagnetic shielding device is opened by the driving mechanism, an airbag strip (13) arranged in the movable sliding groove is extruded by the movable rod (16).
2. The integrated control cabinet for a smart grid according to claim 1, wherein: the driving mechanism comprises two electric push rods (11) which are respectively arranged in the interlayer (10), the output ends of the electric push rods (11) are connected with a driving rod (17), a supporting seat is arranged at the bottom of each electric push rod (11), and the driving rod (17) is located at one side far away from the extending convex part (161).
3. The integrated control cabinet for a smart grid according to claim 1, wherein: the back of every drawer (8) is all fixed and is provided with rotatory telescopic machanism (18), every drawer (8) is fixed on backplate (21) inside cabinet body (1) through rotatory telescopic machanism, when movable electromagnetic shield device contracts into in cabinet body (1), rotatory telescopic machanism (18) are ejecting, drawer (8) and corresponding electric wire netting module (3) are ejecting this moment, rotatory telescopic machanism (18) all communicate with each other with sealed chamber (25) at cabinet body (1) back, when the gas of sealed chamber (25) input gasbag strip (13), utilize gas to push out rotatory telescopic machanism (18), and then make drawer (8) stretch out to cabinet body (1) outside.
4. The integrated control cabinet for a smart grid as set forth in claim 3, wherein: the rotary telescopic mechanism (18) is arranged in a second floating cavity formed in the back of the drawer (8), the second floating cavity is internally provided with a second guide sliding block (24) in a sliding mode, the second guide sliding block (24) moves up and down in the second floating cavity, the upper end and the lower end of the second guide sliding block (24) are fixedly provided with a second floating spring (23), the second floating spring (23) is fixedly connected with the second floating cavity, and the rotary telescopic mechanism (18) is fixedly arranged on the second guide sliding block (24).
5. The integrated control cabinet for a smart grid as set forth in claim 4, wherein: the rotary telescopic mechanism (18) comprises a fixed cylinder (184), a telescopic sleeve (186), a telescopic rod (187) and a movable plug (185), wherein a telescopic cavity (188) is formed in the fixed cylinder (184), the movable plug (185) is arranged in the telescopic cavity (188) in a sealing mode, one end of the telescopic sleeve (186) is fixedly connected with one side end face of the movable plug (185), a plurality of groups of connecting springs (183) are fixedly arranged on the other side of the movable plug (185), the other end of the connecting springs (183) is fixedly connected with the connecting end face (182) on one side of the fixed cylinder (184), the fixed cylinder (184) is fixedly sleeved in a mounting cylinder (211) arranged on the back plate (21), the contact surface of the fixed cylinder (184) and the mounting cylinder (211) is sealed by glue, the fixed cylinder (184) is provided with an air inlet and outlet hole (181), the air inlet and outlet hole (181) is in sealing connection with a sealing cavity (25) in the cabinet body (1), and the other end of the telescopic rod (187) is fixedly connected with a second guide slide block (24).
6. The integrated control cabinet for a smart grid according to claim 1, wherein: the track rod (6) on any side or the track rods (6) on both sides are provided with locking screws (65), and the first guide sliding blocks (7) arranged in the track rods (6) are locked through the locking screws (65).
CN202310576918.XA 2023-05-20 2023-05-20 Comprehensive control cabinet for smart power grid Active CN116526350B (en)

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CN202310576918.XA CN116526350B (en) 2023-05-20 2023-05-20 Comprehensive control cabinet for smart power grid

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Application Number Priority Date Filing Date Title
CN202310576918.XA CN116526350B (en) 2023-05-20 2023-05-20 Comprehensive control cabinet for smart power grid

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CN116526350B true CN116526350B (en) 2023-12-22

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Publication number Priority date Publication date Assignee Title
JP2003249881A (en) * 2002-02-25 2003-09-05 Okamura Corp Fixture with locking-unlocking system
CN2616011Y (en) * 2003-04-23 2004-05-12 上海电动工具研究所 Electromagnetic interference on-line detection screening apparatus
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CN104828240A (en) * 2015-05-02 2015-08-12 张瑞麟 Ship pollution treating system, and drying box, incinerator and exhaust evaporation device arranged on ship pollution treating system
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US10638634B1 (en) * 2019-06-21 2020-04-28 International Business Machines Corporation Rack-mountable assembly with electromagnetic shielding structure(s)
CN212412606U (en) * 2020-05-25 2021-01-26 昌华电气设备集团有限公司 Low-voltage draw-out type switch cabinet
CN214046110U (en) * 2020-11-04 2021-08-24 上海科海华泰船舶电气有限公司 PCB anti-electromagnetic interference drawer box
CN114568852A (en) * 2022-02-28 2022-06-03 天津衣联网生态科技有限公司 Cabinet with drawers
CN217743621U (en) * 2022-06-14 2022-11-08 佛山市淇特科技有限公司 Storage cabinet

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003249881A (en) * 2002-02-25 2003-09-05 Okamura Corp Fixture with locking-unlocking system
CN2616011Y (en) * 2003-04-23 2004-05-12 上海电动工具研究所 Electromagnetic interference on-line detection screening apparatus
CN102862774A (en) * 2011-07-08 2013-01-09 贾同春 Automatic article management and access device
CN204336305U (en) * 2014-12-22 2015-05-20 江西远大保险设备实业集团有限公司 A kind of anti-magnetic cabinet
CN104828240A (en) * 2015-05-02 2015-08-12 张瑞麟 Ship pollution treating system, and drying box, incinerator and exhaust evaporation device arranged on ship pollution treating system
CN108397058A (en) * 2018-03-28 2018-08-14 浙江夏远信息技术有限公司 A kind of electric power drawer cabinet device of alternative unlock
US10638634B1 (en) * 2019-06-21 2020-04-28 International Business Machines Corporation Rack-mountable assembly with electromagnetic shielding structure(s)
CN212412606U (en) * 2020-05-25 2021-01-26 昌华电气设备集团有限公司 Low-voltage draw-out type switch cabinet
CN214046110U (en) * 2020-11-04 2021-08-24 上海科海华泰船舶电气有限公司 PCB anti-electromagnetic interference drawer box
CN114568852A (en) * 2022-02-28 2022-06-03 天津衣联网生态科技有限公司 Cabinet with drawers
CN217743621U (en) * 2022-06-14 2022-11-08 佛山市淇特科技有限公司 Storage cabinet

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