CN113314985B - Suspension type dustproof three-phase power box and mounting method thereof - Google Patents
Suspension type dustproof three-phase power box and mounting method thereof Download PDFInfo
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- CN113314985B CN113314985B CN202110762513.6A CN202110762513A CN113314985B CN 113314985 B CN113314985 B CN 113314985B CN 202110762513 A CN202110762513 A CN 202110762513A CN 113314985 B CN113314985 B CN 113314985B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Abstract
The suspension type dustproof three-phase power box comprises a box body with an accommodating space inside, and the box body is vertically suspended and supported through a suspension mechanism; the front surface of the box body is hinged with a box door, the inner side surface of the box door is provided with a box door dustproof assembly, and the box door dustproof assembly can be opened and closed along with the box door simultaneously; the box comprises a box body and is characterized in that heat dissipation dustproof components are symmetrically arranged on two side faces of the box body respectively, and threading holes with sealing rings sleeved on the inner sides are formed below the heat dissipation dustproof components. According to the invention, effective dustproof treatment measures are taken at the box door, the heat dissipation window, the threading hole and the like, so that the three-phase power box can adapt to a dusty environment, frequent dust removal treatment is not required inside the three-phase power box, and the use cost is reduced.
Description
Technical Field
The invention belongs to the technical field of distribution boxes, and particularly relates to a suspension type dustproof three-phase power box and an installation method thereof.
Background
A power distribution box, also called a power control box, is one of the distribution boxes; the distribution box is divided into a power distribution box and a lighting distribution box, and is the final-stage equipment of a power distribution system; the distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement.
In the prior art, the positions of a box door, a heat dissipation window, a threading hole and the like of the three-phase power box are not subjected to dustproof treatment or are subjected to simple dustproof treatment, so that dust can be fully distributed on electrical elements in the three-phase power box in a workshop with serious dust in a short time, the dust needs to be removed frequently, and the use cost is greatly increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a suspension type dustproof three-phase power box and an installation method thereof, and the specific technical scheme is as follows:
the suspension type dustproof three-phase power box comprises a box body with an accommodating space inside, and the box body is vertically suspended and supported through a suspension mechanism; the front surface of the box body is hinged with a box door, the inner side surface of the box door is provided with a box door dustproof assembly, and the box door dustproof assembly can be opened and closed along with the box door simultaneously; the box comprises a box body and is characterized in that heat dissipation dustproof components are symmetrically arranged on two side faces of the box body respectively, and threading holes with sealing rings sleeved on the inner sides are formed below the heat dissipation dustproof components.
Further, the suspension mechanism comprises a support frame formed by vertically intersecting a support frame of a door-shaped structure and a bottom plate, the support frame is vertically arranged, a sliding plate is vertically and slidably connected to the inner side wall of the support frame, the sliding plate is vertically and movably hung on the lifting adjusting assembly arranged at the top of the support frame, and the front surface of the sliding plate is detachably connected with the back surface of the box body.
Further, the lift adjustment subassembly includes link, stopper and first screw rod, the link is installed slide plate top surface middle part, the link is door shape structure, the vertical spiro union of first screw rod in on the top surface of support, the bottom of first screw rod is passed the top surface of link to rather than the spiro union, the bottom of first screw rod with arrange in the link stopper fixed connection.
Further, the bottom surface of the sliding plate is fixedly supported by an elastic supporting component arranged on the bottom plate; the elastic support component comprises a telescopic rod, the bottom end of the telescopic rod is fixedly connected with the bottom plate, the top end of the telescopic rod is fixedly connected with the bottom surface of the sliding plate, the telescopic rod can stretch and retract along with the lifting of the sliding plate, a spring matched with the telescopic rod is sleeved on the outer side of the telescopic rod, and the bottom end of the spring is fixedly connected with the bottom plate.
Furthermore, slide rails are longitudinally and symmetrically arranged on two inner side walls of the bracket; and sliding chutes are respectively longitudinally and symmetrically arranged at two ends of the sliding plate and are connected with the sliding rails in a sliding fit manner.
Further, the front horizontal interval of slide is provided with two and hangs the groove, the back of case body is transversely pasted and is connected with the mounting panel, horizontal interval is provided with the couple of two shape structures of falling L on the mounting panel, the couple with hang the groove looks adaptation ground and correspond to peg graft.
Further, the dustproof subassembly of heat dissipation include with the carriage that case body side intercommunication set up, the carriage interpolation is equipped with two horizontal parallel arrangement's connecting plate, two the outer terminal surface intercommunication of connecting plate has the first flange of loop configuration, two the interior terminal surface intercommunication of connecting plate has the second flange of loop configuration, two the width of connecting plate with the interior width of carriage is the same, and two the connecting plate respectively with correspond the inner wall of carriage is laminated mutually, two between the connecting plate the side airspace of two and the opening side airspace of second flange are sealed and connected through first dustproof filter cloth respectively, the opening side of first flange is provided with the downward grid board of slope, the symmetry spiro union has the second screw rod of horizontal setting about the first flange, second screw rod one end with the side fixed connection of case body, the spiro union has lock nut on the second screw rod respectively of first flange both sides.
Furthermore, the dustproof assembly of the box door comprises a dustproof frame of a structure shaped like a Chinese character 'ri', a cross rod is fixedly arranged in the middle of the dustproof frame, a third screw rod is vertically screwed in the middle of the cross rod, the dustproof frame is connected with the inner side face of the box door at intervals through the third screw rod, the dustproof frame and the box door are longitudinally arranged in parallel, an inner airspace of the dustproof frame is sealed and connected through second dustproof filter cloth, and an annular clamping edge is circumferentially arranged on the side edge of the dustproof frame, which is far away from the box door; the case body is close to vertical circumference is provided with the third flange on the inside wall of chamber door, third flange lateral surface border circumference is provided with ring groove, ring groove with ring groove arris joint that cooperatees.
The mounting method of the suspension type dustproof three-phase power box comprises the following steps:
the first step is as follows: fixedly connecting the support frame with a wall or a ground at the installation position through an expansion bolt;
the second step: the first screw rod is rotated upwards, and the position of the sliding plate is adjusted;
the third step: and the hook on the back of the box body is clamped with the hanging groove on the sliding plate to vertically hang the box body in the air.
The beneficial effects of the invention are:
the box body is vertically suspended and supported through the suspension mechanism, so that the box body can be isolated from the ground where dust is accumulated, and the dust infiltration in the box body is effectively reduced; the inner side surface of the box door is provided with the box door dustproof assembly which can prevent dust from permeating into the box body from a gap of the box door, and meanwhile, the box door dustproof assembly can be opened and closed simultaneously along with the box door, so that electrical components in the box body can be conveniently overhauled at any time; the two side surfaces of the box body are respectively and symmetrically provided with the heat dissipation dustproof assemblies, so that the dust separation effect can be achieved under the condition that the heat dissipation of the box body is not hindered; according to the invention, the threading hole with the sealing ring sleeved on the inner side is arranged below the heat-dissipation dustproof component, and the sealing ring can play a role in isolating dust; according to the invention, effective dustproof treatment measures are taken at the box door, the heat dissipation window, the threading hole and the like, so that the three-phase power box can adapt to a dusty environment, frequent dust removal treatment is not required inside the three-phase power box, and the use cost is reduced.
Drawings
FIG. 1 shows a side view of the structure of the present invention in which the tank body is assembled with a suspension mechanism;
FIG. 2 is a front view showing the structure of the suspension mechanism of the present invention;
FIG. 3 is a perspective view of the skateboard of the present invention;
FIG. 4 shows a structural side view of the box body of the present invention;
FIG. 5 is a cross-sectional view of the heat sink dust guard assembly of the present invention;
FIG. 6 is a schematic view of the heat dissipation and dust prevention assembly of the present invention installed on the side of the box body;
FIG. 7 is a schematic view showing the structure of the box body of the present invention;
FIG. 8 is a front view of the cabinet body with the door removed in accordance with the present invention;
fig. 9 shows a schematic structural view of the dust-proof frame in the present invention.
Shown in the figure: 1. a suspension mechanism; 11. a support frame; 111. a support; 1111. a slide rail; 112. a base plate; 12. a slide plate; 121. a chute; 13. a lift adjustment assembly; 131. a connecting frame; 132. a limiting block; 133. a first screw; 14. hanging a groove; 15. an elastic support member; 151. a telescopic rod; 152. a spring; 2. a tank body; 21. a heat dissipation dustproof component; 211. a connecting frame; 212. a connecting plate; 213. a first flange; 214. a second flange; 215. a first dust-proof filter cloth; 216. a grid plate; 217. a second screw; 218. locking the nut; 22. threading holes; 221. a seal ring; 23. a box door; 24. mounting a plate; 25. hooking; 26. a door dust-proof assembly; 261. a dust-proof frame; 2611. a cross bar; 262. a third screw; 263. a second dust-proof filter cloth; 264. an annular clamping edge; 265. a third flange; 2651. and an annular clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the suspension type dustproof three-phase power box comprises a box body 2 with an accommodating space inside, wherein the box body 2 is vertically suspended and supported through a suspension mechanism 1; a box door 23 is hinged to the front surface of the box body 2, a box door dustproof assembly 26 is arranged on the inner side surface of the box door 23, and the box door dustproof assembly 26 can be opened and closed along with the box door 23; the two side surfaces of the box body 2 are symmetrically provided with heat dissipation dustproof components 21 respectively, and threading holes 22 with sealing rings 221 sleeved on the inner sides are formed below the heat dissipation dustproof components 21.
Through the technical scheme, the box body 2 is vertically suspended and supported through the suspension mechanism 1, so that the box body 2 can be isolated from the ground where dust is accumulated, and the dust infiltration in the box body 2 is effectively reduced; the inner side surface of the box door 23 is provided with the box door dustproof component 26 which can prevent dust from permeating into the box body 2 from a box door gap, and meanwhile, the box door dustproof component 26 can be opened and closed simultaneously along with the box door 23, so that electrical elements in the box body 2 can be conveniently overhauled at any time; the two side surfaces of the box body 2 are respectively and symmetrically provided with the heat dissipation dustproof components 21, so that the dust separation effect can be realized under the condition that the heat dissipation of the box body 2 is not hindered; the lower part of the heat dissipation dustproof assembly 21 is provided with a threading hole 22 with an inner side sleeved with a sealing ring 221, and the sealing ring 221 can play a role in blocking dust.
As shown in fig. 1 and 2, the suspension mechanism 1 includes a support frame 11 composed of a support 111 and a bottom plate 112, the support 111 is vertically arranged, a sliding plate 12 is vertically and slidably connected to the inner side wall of the support 111, the sliding plate 12 is vertically and movably suspended by a lifting adjusting assembly 13 arranged at the top of the support 111, and the front surface of the sliding plate 12 is detachably connected to the back surface of the box body 2.
Through above-mentioned technical scheme, lift adjustment subassembly 13 can drive slide 12 longitudinal movement, and case body 2 removes along with slide 12, can adjust case body 2 terrain clearance like this.
As shown in fig. 2, the lifting adjusting assembly 13 includes a connecting frame 131, a limiting block 132 and a first screw 133, the connecting frame 131 is installed in the middle of the top surface of the sliding plate 12, the connecting frame 131 is a door-shaped structure, the first screw 133 is vertically screwed on the top surface of the bracket 111, the bottom end of the first screw 133 passes through the top surface of the connecting frame 131 and is screwed with the connecting frame, and the bottom end of the first screw 133 is fixedly connected with the limiting block 132 disposed in the connecting frame 131.
Through the technical scheme, the first screw 133 is utilized without consuming electric energy, and the sliding plate 12 is convenient to position, lift and adjust.
As shown in fig. 2, the bottom surface of the slide board 12 is fixedly supported by an elastic support assembly 15 provided on the bottom plate 112; the elastic supporting component 15 comprises an expansion link 151, the bottom end of the expansion link 151 is fixedly connected with the bottom plate 112, the top end of the expansion link 151 is fixedly connected with the bottom surface of the sliding plate 12, the expansion link 151 can move along with the lifting of the sliding plate 12, a spring 152 matched with the expansion link 151 is sleeved on the outer side of the expansion link 151, and the bottom end of the spring 152 is fixedly connected with the bottom plate 112.
Through above-mentioned technical scheme, elastic support subassembly 15 can effectively alleviate first screw 133's the pulling force that bears, guarantees safe bearing box body 2, prolongs its life.
As shown in fig. 2 and 3, the two inner side walls of the bracket 111 are longitudinally and symmetrically provided with slide rails 1111; the two ends of the sliding plate 12 are respectively provided with sliding grooves 121 longitudinally and symmetrically, and the sliding grooves 121 are connected with the sliding rails 1111 in a sliding fit manner.
Through the technical scheme, the stability of the longitudinal movement of the sliding plate 12 can be ensured.
As shown in fig. 2 and 3, two hanging grooves 14 are horizontally arranged on the front side of the sliding plate 12 at intervals, an installation plate 24 is transversely attached to the back side of the box body 2, two hooks 25 of an inverted L-shaped structure are horizontally arranged on the installation plate 24 at intervals, and the hooks 25 are correspondingly inserted into the hanging grooves 14 in a matched manner.
Through the technical scheme, the hook 25 and the hanging groove 14 are correspondingly inserted in a matched mode, so that the box body 2 and the sliding plate 12 are detachably connected, and the disassembly and the assembly between the box body and the sliding plate are facilitated.
As shown in fig. 5 and 6, the heat dissipation dustproof assembly 21 includes a connection frame 211 communicated with the side of the box body 2, two connection plates 212 transversely arranged in parallel are inserted into the connection frame 211, two connection plates 212 are connected with the outer end faces of the connection plates 212 in a butt joint manner to form first flanges 213 of an annular structure, two connection plates 212 are connected with the inner end faces of the connection plates 212 in a butt joint manner to form second flanges 214 of an annular structure, the width of each connection plate 212 is equal to the inner width of the connection frame 211, the two connection plates 212 are respectively attached to the inner walls of the connection frame 211 correspondingly, two side airspaces between the connection plates 212 and the opening airspace of the second flanges 214 are respectively sealed and connected through first dustproof filter cloth 215, an opening side of the first flange 213 is provided with a grid plate 216 inclined downward, the first flange 213 is symmetrically screwed with second screws 217 transversely arranged up and down, one end of the second screw 217 is fixedly connected to the side of the box body 2, and locking nuts 218 are screwed on the second screws 217 on two sides of the first flange 213.
Through the above technical scheme, the locking nuts 218 on the two sides of the first flange 213 are adjusted in a loosening and tightening manner, so that the length of the connecting plate 212 extending out of the connecting frame 211 can be controlled, and the first dustproof filter cloth 215 can be used for increasing the heat dissipation area of the grid plate 216 while isolating dust.
As shown in fig. 3 and 7, the door dust-proof assembly 26 includes a dust-proof frame 261 having a zigzag structure, a cross bar 2611 is fixedly disposed at the middle portion in the dust-proof frame 261, a third screw 262 is vertically screwed at the middle portion of the cross bar 2611, the dust-proof frame 261 is connected with the inner side surface of the door 23 at an interval through the third screw 262, the dust-proof frame 261 and the door 23 are longitudinally arranged in parallel, an empty space in the dust-proof frame 261 is sealed and connected through a second dust-proof filter cloth 263, and an annular clamping rib 264 is circumferentially disposed at the side edge of the dust-proof frame 261 departing from the door 23; the box body 2 is close to the third flange 265 is arranged on the inner side wall of the box door 23 in the vertical circumferential direction, an annular clamping groove 2651 is arranged on the outer side face edge of the third flange 265 in the circumferential direction, and the annular clamping groove 2651 is matched and clamped with the annular clamping rib 264.
Through the above technical solution, the dustproof frame 261 effectively cuts off dust from entering the box body 2 through the sealing of the second dustproof filter cloth 263, and in addition, the annular clamping groove 2651 is matched and clamped with the annular clamping rib 264, so that the gap between the dustproof frame 261 and the third flange 265 during fitting can be reduced, and fine dust is prevented from entering the box body 2.
The mounting method of the suspension type dustproof three-phase power box comprises the following steps:
the first step is as follows: fixedly connecting the support frame 11 with a wall or a ground at the installation position through expansion bolts;
the second step is that: the first screw 133 is rotated upwards, and the position of the sliding plate 12 is adjusted;
the third step: and (3) mutually clamping the hook 25 on the back surface of the box body 2 with the hanging groove 14 on the sliding plate 12 so as to vertically hang and hang the box body 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. Suspension type dustproof three-phase headstock, its characterized in that: the box comprises a box body (2) with an accommodating space inside, wherein the box body (2) is vertically suspended and supported through a suspension mechanism (1); a box door (23) is hinged to the front side of the box body (2), a box door dustproof component (26) is arranged on the inner side surface of the box door (23), and the box door dustproof component (26) can be opened and closed along with the box door (23) at the same time; the box is characterized in that heat dissipation dustproof components (21) are symmetrically arranged on two side faces of the box body (2) respectively, and threading holes (22) with sealing rings (221) sleeved on the inner sides are formed below the heat dissipation dustproof components (21);
the heat dissipation dustproof assembly (21) comprises a connecting frame (211) communicated with the side face of the box body (2), two connecting plates (212) arranged transversely in parallel are inserted into the connecting frame (211), the outer end faces of the two connecting plates (212) are communicated and butted with first flanges (213) of an annular structure, the inner end faces of the two connecting plates (212) are communicated and butted with second flanges (214) of an annular structure, the width of the two connecting plates (212) is the same as the inner width of the connecting frame (211), the two connecting plates (212) are respectively jointed with the inner walls of the corresponding connecting frame (211), two side airspaces between the two connecting plates (212) and the opening side airspaces of the second flanges (214) are respectively sealed through first dustproof filter cloth (215), an inclined downward grid plate (216) is arranged on the first flange (213), second screws (217) arranged transversely are symmetrically screwed on the first flange (213), one end of each second screw (217) is fixedly connected with the side face of the box body (2), and nuts (218) are respectively screwed on the two sides of the opening side faces of the first flange (213);
the dustproof component (26) of the box door comprises a dustproof frame (261) of a structure shaped like a Chinese character 'ri', a transverse rod (2611) is fixedly arranged in the middle of the interior of the dustproof frame (261), a third screw rod (262) is vertically screwed in the middle of the transverse rod (2611), the dustproof frame (261) is connected with the inner side face of the box door (23) at intervals through the third screw rod (262), the dustproof frame (261) and the box door (23) are longitudinally arranged in parallel, an inner airspace of the dustproof frame (261) is sealed through second dustproof filter cloth (263), and an annular clamping rib (264) is arranged on the side face of the dustproof frame (261) deviating from the box door (23) in the circumferential direction; case body (2) are close to vertical circumference is provided with third flange (265) on the inside wall of chamber door (23), third flange (265) lateral surface border circumference is provided with ring groove (2651), ring groove (2651) with ring card arris (264) cooperation joint.
2. The suspended dust-proof three-phase power box according to claim 1, wherein: suspension mechanism (1) is including support frame (11) of crossing perpendicularly and constituteing by support (111) and bottom plate (112) of door-shaped structure, support (111) vertical setting, the vertical sliding connection of support (111) inside wall has slide (12), slide (12) through set up in the vertical activity of lift adjustment subassembly (13) at support (111) top is hung and is connect, the front of slide (12) with the back detachably of case body (2) is connected.
3. The suspended dust-proof three-phase power box according to claim 2, wherein: the lifting adjusting assembly (13) comprises a connecting frame (131), a limiting block (132) and a first screw (133), the connecting frame (131) is installed in the middle of the top surface of the sliding plate (12), the connecting frame (131) is of a door-shaped structure, the first screw (133) is vertically screwed on the top surface of the support (111), the bottom end of the first screw (133) penetrates through the top surface of the connecting frame (131) and is screwed with the connecting frame, and the bottom end of the first screw (133) is fixedly connected with the limiting block (132) in the connecting frame (131).
4. The suspension type dust-proof three-phase power box according to claim 3, characterized in that: the bottom surface of the sliding plate (12) is fixedly supported by an elastic supporting component (15) arranged on the bottom plate (112); elastic support subassembly (15) include telescopic link (151), the bottom of telescopic link (151) with bottom plate (112) fixed connection, the top of telescopic link (151) with slide (12) bottom surface fixed connection, telescopic link (151) can be along with the lift and the flexible displacement of slide (12), telescopic link (151) outside cover is equipped with spring (152) with its looks adaptation, the bottom of spring (152) with bottom plate (112) fixed connection.
5. The suspended dust-proof three-phase power box according to claim 4, wherein: the two inner side walls of the bracket (111) are longitudinally and symmetrically provided with slide rails (1111); the two ends of the sliding plate (12) are respectively and longitudinally symmetrically provided with sliding grooves (121), and the sliding grooves (121) are connected with the sliding rails (1111) in a sliding fit manner.
6. The suspended dust-proof three-phase power box according to claim 5, wherein: the front horizontal interval of slide (12) is provided with two and hangs groove (14), the back of case body (2) is transversely pasted and is connected mounting panel (24), mounting panel (24) are gone up horizontal interval and are provided with couple (25) of two shape structures of falling L, couple (25) with hang corresponding grafting of groove (14) looks adaptation.
7. A method of mounting a suspended dust-proof three-phase power box according to claim 6, comprising the steps of:
the first step is as follows: fixedly connecting the support frame (11) with a wall or ground at the installation position through expansion bolts;
the second step: rotating the first screw (133) upwards to adjust the position of the sliding plate (12);
the third step: the hook (25) on the back of the box body (2) is clamped with the hanging groove (14) on the sliding plate (12) to hang the box body (2) in a vertically suspended mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110762513.6A CN113314985B (en) | 2021-07-06 | 2021-07-06 | Suspension type dustproof three-phase power box and mounting method thereof |
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| CN202110762513.6A CN113314985B (en) | 2021-07-06 | 2021-07-06 | Suspension type dustproof three-phase power box and mounting method thereof |
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| CN113314985B true CN113314985B (en) | 2022-11-22 |
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| CN208596883U (en) * | 2018-07-25 | 2019-03-12 | 广东凡立电力技术有限公司 | A kind of distribution box with dust reduction capability |
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| CN210430604U (en) * | 2019-10-25 | 2020-04-28 | 江苏亿龙电气有限公司 | High security wall-hanging block terminal |
| CN210693172U (en) * | 2019-11-29 | 2020-06-05 | 苏州达尔伟力电气科技有限公司 | Outdoor distribution box with rainproof structure |
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| CN211351295U (en) * | 2019-12-09 | 2020-08-25 | 珠海九昊电气有限公司 | Dustproof heat dissipation variable frequency power supply switch board |
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| CN211656303U (en) * | 2020-03-12 | 2020-10-09 | 宁波通冠电气自动化设备有限公司 | Outdoor integrated micro base station case |
| CN212255439U (en) * | 2020-03-31 | 2020-12-29 | 刘玉军 | Heat dissipation type ammeter case of electric power marketing |
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