Compact preassembled metal closed ring main unit

Abstract

The invention provides a compact preassembled metal closed ring main unit which comprises a ring main unit body, the ring main unit body comprises a box bottom, a box body, a box top and a box door, the box wall of the box body is of a double-layer structure, an air guide cavity is formed between the two layers of box walls of the box body, and sliding connection clamping grooves are formed in the two sides of the top of the box body. Sliding clamping strips matched with the sliding clamping grooves are arranged on the two sides of the bottom of the box body. Under the work of the heat dissipation fan, the inner cavity of the ring main unit body is subjected to air draft, external cold air enters along the air inlet and enters the air guide cavity of the box body through the air guide notches, and the cold air can be laterally guided into the ring main unit body through the side air notches formed in the side wall of the inner layer of the box body, so that the purpose of laterally blowing air is achieved, and the service life of the ring main unit body is prolonged. The problem that local heat dissipation is poor due to airflow blocking caused by the interlayer is solved.

Description

Technical Field

[0001] The invention relates to the technical field of electric power equipment, and in particular to a compact preassembled metal closed ring network box. Background Art

[0002] The metal closed ring network box is a power distribution device that is installed and debugged after the switch cabinet, power cabinet, automation terminal, communication control equipment, etc. are installed in a movable, sealed, moisture-proof metal box. It is an important device for receiving and distributing electric energy, and at the same time controls, protects and detects the circuit. The traditional metal closed ring network box is formed by sheet metal in one piece, and the size of the ring network box cannot be matched according to the required combination, resulting in a waste of space in the ring network box; the heat dissipation structure of the traditional ring network box has defects. For example, the application number CN202120711286.X discloses a primary and secondary fusion type ring network box, in which an adsorption box is fixed on the outer wall of the main body of the first ring network box, and an electric heating ceramic sheet is installed on one side of the adsorption box, a dust removal net is installed on one side of the adsorption box, and a polyethylene filter is installed inside the adsorption box on one side of the dust removal net, and a fan is installed on the outer wall of one side of the adsorption box. The heat dissipation airflow of the device is relatively traditional, especially when a partition is provided inside the ring network box, the heat dissipation airflow is hindered, and the heat dissipation of the local workstation is not in place. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes a compact preassembled metal closed ring mesh box to more accurately solve the above problems.

[0004] The present invention is achieved through the following technical solutions: The present invention proposes a compact preassembled metal closed ring network box, comprising a ring network box body, wherein the ring network box body comprises a box bottom, a box body, a box top and a box door, wherein the box wall of the box body is a double-layer structure, and an air guide cavity is formed between the two layers of the box wall of the box body, and sliding card grooves are arranged on both sides of the top of the box body, and sliding card strips matching the sliding card grooves are arranged on both sides of the bottom of the box body, and sliding card strips arranged on the bottom of the box body are connected to the sliding card grooves arranged on the top of the box bottom, and sliding card strips matching the sliding card grooves arranged on the top of the box body are arranged on both sides of the bottom of the box top, and the sliding card strips arranged on the bottom of the box top are connected to the sliding card grooves arranged on the top of the box bottom, and the sliding card strips matching the sliding card grooves arranged on the top of the box body are arranged on both sides of the bottom of the box top, and the sliding card strips arranged on the bottom of the box top are connected to the sliding card grooves arranged on the top of the box bottom, and the sliding card strips matched with the sliding card grooves arranged on the top of the box body are arranged on both sides of the bottom of the box top, and the sliding card strips matched with the sliding card grooves arranged on the bottom of the box top are arranged on The connecting strip is connected to the sliding groove provided on the top of the box body, the front side of the box body is connected to a box door by a hinge, a drying chamber is provided inside the box bottom, air inlets are provided on both sides of the drying chamber, air guide slots connected to the bottom of the air guide cavity of the box body are provided on both sides of the inner cavity of the box bottom, a plurality of side wind slots arranged vertically and equidistantly are provided on the inner side walls of the box body, a fan chamber is provided inside the box top, a heat dissipation fan is provided at the bottom of the fan chamber, the air exhaust port of the heat dissipation fan is connected to the inner cavity of the box body, exhaust ports are provided on both sides of the fan chamber, a partition is provided inside the box body, a partition connecting mechanism is provided at the bottom of the partition, and the partition is connected to the box body through the partition connecting mechanism.

[0005] Furthermore, an inclined blade grille is provided on the outside of the opening of the air inlet, a dust filter is provided close to the inside of the inclined blade grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter.

[0006] Furthermore, an inclined blade grille is provided on the outside of the opening of the exhaust port, a dust filter is provided close to the inside of the inclined blade grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter.

[0007] Furthermore, a plurality of horizontally arranged refrigeration pipes are provided in the middle of the drying chamber, and a fine filter layer is provided above the refrigeration pipes.

[0008] Furthermore, a V-shaped air guide plate is provided on the top of the inner cavity of the drying chamber, and two sides of the air guide plate are connected above the opening of the air guide slot.

[0009] Furthermore, a sloping top cover is provided on the top of the box top, and heat insulation cotton is provided on the bottom of the sloping top cover.

[0010] Furthermore, the partition is a double-layer hollow plate body, both sides of the partition are connected to the side wind slots opened on the inner side wall of the box body, and the upper plate surface of the partition is provided with evenly arranged wind holes.

[0011] Furthermore, the partition connecting mechanism includes four sliding rods, the axial directions of the four sliding rods extend along the four end corners of the partition, and the sliding rods are slidably connected to a sliding seat fixed at the bottom of the partition, and a card block is provided at the outer end of the sliding rod, and a plurality of groups of cards arranged vertically and equidistantly are provided on the inner wall of the box body and at the four end corners corresponding to the partition, a card slot is provided at the outer end of the card block, and the card slot opened by the card block is clamped with a card of corresponding height.

[0012] Furthermore, a spring is sleeved on the slide rod, and two ends of the spring are respectively in contact with the slide seat and the clamping block.

[0013] Furthermore, a turntable is rotatably connected to the middle of the bottom of the partition, and four linkage rods are hinged on the turntable, and the other ends of the four linkage rods are respectively hinged to the ends of four sliding rods, and an ear seat is provided in the middle of the turntable.

[0014] Beneficial effects of the present invention: 1. The present invention can increase or decrease the number of boxes for splicing according to actual needs, so as to increase or decrease the volume of the ring network box body. At the same time, through the structural coordination of the sliding card slot and the sliding card strip, a small number of screws that limit the sliding of the sliding card slot and the sliding card strip are removed. The connection method is relatively convenient and fast, and can meet the structural connection strength; 2. The present invention draws air from the inner cavity of the ring network box body under the operation of the heat dissipation fan, and the external cold gas enters along the air inlet and enters the air guide cavity of the box body through the air guide slot. The side wind slots provided on the inner side wall of the box body can allow the cold air to be introduced laterally into the ring network box body, thereby achieving the purpose of lateral blowing and optimizing the problem of poor local heat dissipation caused by air flow obstruction caused by the interlayer; 3. The present invention drives the turntable to rotate by turning the ear seat, so that the turntable pulls the slide bar through the linkage rod, thereby disengaging the card slot set in the block at the end of the slide seat from the card set on the inner wall of the box. At this time, the partition can be lifted and moved to change the layered layout of the inner cavity of the ring network box body. After adjusting the height of the partition, the turning of the ear seat is released, and the slide bar is reset under the action of the spring, so that the card slot opened by the block is locked with the card of the corresponding height, thereby completing the fixation of the partition, and the assembly of the partition is simple and convenient; when the airflow flows under the operation of the heat dissipation fan, the air inside the air guide cavity enters into the inner cavity of the partition through the side wind slot, and is blown upward by the wind holes on the upper layer of the partition, further improving the distribution of the heat dissipation airflow in the inner cavity of the ring network box body, and improving the heat dissipation effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural exploded diagram of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 3 A half-section view of the three-dimensional structure of the present invention; Figure 4 for Figure 3 The enlarged view of point A in the middle; Figure 5 for Figure 3 The enlarged view of point B in the middle; Figure 6 It is a front cross-sectional view of the structure of the present invention; Figure 7 for Figure 6 Sectional view at CC; Figure 8 for Figure 7 Enlarged view of point D in the middle.

[0016] In the figure: 1, ring network box body; 101, box bottom; 1011, drying chamber; 1012, air inlet; 1013, fine filter layer; 1014, refrigeration pipe; 1015, air guide slot; 1016, air guide plate; 102, box body; 1021, air guide cavity; 1022, side wind slot; 1023, card; 103, box top; 1031, fan room; 1032, exhaust port; 10 33. Cooling fan; 1034. Slanted top cover; 1035. Insulating cotton; 104. Sliding card slot; 1041. Sliding card strip; 105. Partition; 1051. Air hole; 106. Box door; 2. Partition connecting mechanism; 201. Sliding seat; 202. Sliding rod; 203. Block; 2031. Card slot; 204. Spring; 205. Turntable; 206. Linkage rod; 207. Ear seat. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0018] A compact prefabricated metal closed ring network box comprises a ring network box body 1, wherein the ring network box body 1 comprises a box bottom 101, a box body 102, a box top 103 and a box door 106, Figure 1 , Figure 2 and Figure 3As shown, the box wall of the box body 102 is a double-layer structure, and an air guide cavity 1021 is formed between the two layers of the box wall of the box body 102. Sliding card grooves 104 are provided on both sides of the top of the box body 102, and sliding card strips 1041 matching the sliding card grooves 104 are provided on both sides of the bottom of the box body 102. Sliding card grooves 104 matching the sliding card strips 1041 provided at the bottom of the box body 102 are provided on both sides of the top of the box bottom 101, and the sliding card strips 1041 provided at the bottom of the box body 102 are connected to the sliding card grooves 104 provided at the top of the box bottom 101. Sliding card strips 1041 matching the sliding card grooves 104 provided at the top of the box body 102 are provided on both sides of the bottom of the box top 103. 41, and the sliding card strip 1041 provided at the bottom of the box top 103 is connected to the sliding card slot 104 provided on the top of the box body 102, wherein the number of the box bodies 102 can be increased for splicing according to actual needs, so as to increase or reduce the volume of the ring network box body 1, and at the same time, through the structural cooperation of the sliding card slot 104 and the sliding card strip 1041, a small amount of screws that limit the sliding of the sliding card slot 104 and the sliding card strip 1041 are removed, the connection method is relatively convenient and fast, and can meet the structural connection strength, and the front side of the box body 102 is connected to the box door 106 through a hinge, and the box door 106 makes corresponding cooperation according to the size of the ring network box body 1.

[0019] The technical solution in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: the present invention can increase or decrease the number of box bodies 102 for splicing according to actual needs, so as to increase or decrease the volume of the ring network box body 1. At the same time, through the structural coordination of the sliding groove 104 and the sliding strip 1041, a small amount of screws that limit the sliding of the sliding groove 104 and the sliding strip 1041 are removed, and the connection method is relatively convenient and fast, and can meet the structural connection strength. Example 2

[0020] Combination Figure 3 and Figure 6As shown, a drying chamber 1011 is provided inside the box bottom 101, and air inlets 1012 are provided on both sides of the drying chamber 1011, and air guide slots 1015 connected to the bottom of the air guide cavity 1021 of the box body 102 are provided on both sides of the inner cavity of the box bottom 101, and a plurality of side wind slots 1022 arranged vertically and equidistantly are provided on the inner side walls of the box body 102, and a fan chamber 1031 is provided inside the box top 103, and a heat dissipation fan 1033 is provided at the bottom of the fan chamber 1031, and an air exhaust port of the heat dissipation fan 1033 is connected to the inner cavity box of the box body 102, and exhaust ports 1032 are provided on both sides of the fan chamber 1031. When the heat dissipation fan 1033 is working, the inner cavity of the ring network box body 1 is exhausted, and the external cold gas enters along the air inlet 1012 and enters the air guide cavity 1021 of the box body 102 through the air guide slot 1015. The side wind slot 1022 opened on the inner side wall of the box body 102 can allow the cold air to be laterally introduced into the ring network box body 1, thereby achieving the purpose of lateral blowing and optimizing the problem of poor local heat dissipation caused by the air flow barrier caused by the partition.

[0021] The opening of the air inlet 1012 is provided with an inclined leaf grille on the outside, a dust filter is provided close to the inside of the inclined leaf grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter. The opening of the air outlet 1032 is provided with an inclined leaf grille on the outside, a dust filter is provided close to the inside of the inclined leaf grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter. The inclined leaf grille prevents outdoor water from splashing in, the dust filter prevents external dust and impurities from entering, and the moisture-absorbing cotton net can absorb moisture in the air. At the same time, a pile of water-absorbing materials is placed inside the drying chamber 1011 to dehumidify the inhaled air.

[0022] Combination Figure 3 and Figure 6 As shown, a plurality of horizontally arranged refrigeration pipes 1014 are provided in the middle of the drying chamber 1011, and the refrigeration pipes 1014 can cool the inhaled air to ensure the cooling effect on the inside of the ring network box body 1, and a fine filter layer 1013 is provided above the refrigeration pipe 1014 to prevent the risk of the water-absorbing material pile stacked in the drying chamber 1011 being sucked in, and a "V"-shaped wind guide plate 1016 is provided on the top of the inner cavity of the drying chamber 1011, and both sides of the wind guide plate 1016 are connected to the top of the opening of the wind guide slot 1015, and the wind guide plate 1016 is used to guide the inhaled air to both sides to make the inhaled air flow smoother, and the top of the box top 103 is provided with a sloping top cover 1034 with a water guide structure, and the bottom of the sloping top cover 1034 is provided with heat insulation cotton 1035, and the heat insulation cotton 1035 is used for heat insulation of the top of the ring network box body 1 when used outdoors.

[0023] The technical solution in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: when the heat dissipation fan 1033 is working, the inner cavity of the ring network box body 1 is exhausted, and the external cold gas enters along the air inlet 1012 and enters the air guide cavity 1021 of the box body 102 through the air guide slot 1015, and the side wind slot 1022 opened on the inner side wall of the box body 102 can allow the cold air to be laterally introduced into the interior of the ring network box body 1, thereby achieving the purpose of lateral blowing, and optimizing the problem of poor local heat dissipation caused by the air flow barrier caused by the partition. Example 3

[0024] Combination Figure 3 and Figure 5 As shown, a partition 105 is provided inside the box body 102, a partition connecting mechanism 2 is provided at the bottom of the partition 105, and the partition 105 is connected to the box body 102 through the partition connecting mechanism 2, the partition 105 is a double-layer hollow plate body, and both sides of the partition 105 are connected to the side wind slots 1022 opened on the inner side walls of the box body 102, and the upper plate surface of the partition 105 is provided with evenly arranged wind holes 1051. When the airflow flows under the operation of the heat dissipation fan 1033, the air inside the air guide cavity 1021 enters into the inner cavity of the partition 105 through the side wind slots 1022, and is blown upward by the wind holes 1051 on the upper layer of the partition 105, thereby further improving the distribution of the heat dissipation airflow in the inner cavity of the ring network box body 1, and improving the heat dissipation effect and efficiency.

[0025] Combination Figure 7 and Figure 8As shown, the partition connection mechanism 2 includes four slide bars 202, the axial direction of the four slide bars 202 extends along the four end corners of the partition 105, and the slide bars 202 are slidably connected to the slide seat 201 fixed at the bottom of the partition 105, and the outer end of the slide bar 202 is provided with a card block 203, and the inner wall of the box body 102 and the four end corners corresponding to the partition 105 are provided with a plurality of groups of cards 1023 arranged vertically and equidistantly, and the outer end of the card block 203 is provided with a card slot 2031, and the card block 203 The card slot 2031 is clamped with the card 1023 of the corresponding height, the slide bar 202 is sleeved with a spring 204, and the two ends of the spring 204 are respectively in contact with the slide seat 201 and the block 203, a turntable 205 is rotatably connected to the middle of the bottom of the partition 105, and four linkage rods 206 are hinged on the turntable 205, and the other ends of the four linkage rods 206 are respectively hinged to the ends of the four slide bars 202, and an ear seat 207 is provided in the middle of the turntable 205. By turning the ear seat 207, the turntable 205 is driven to rotate, so that the turntable 205 pulls the slide bar 202 through the linkage rod 206, so that the card slot 2031 set in the block 203 at the end of the slide seat 201 is disengaged from the card 1023 set on the inner wall of the box body 102. At this time, the partition 105 can be raised and lowered to change the layered layout of the inner cavity of the ring network box body 1. After adjusting the height of the partition 105, the ear seat 207 is released. The slide bar 202 is reset under the action of the spring 204, so that the card slot 2031 opened by the block 203 is locked with the card 1023 of the corresponding height, thereby completing the fixation of the partition 105, and the assembly of the partition 105 is simple and convenient.

[0026] The technical solution in the above-mentioned embodiment of the present application has at least the following technical effects or advantages: the present invention drives the turntable 205 to rotate by turning the ear seat 207, so that the turntable 205 pulls the slide bar 202 through the linkage rod 206, thereby disengaging the card slot 2031 provided in the block 203 at the end of the slide seat 201 from the card 1023 provided on the inner wall of the box body 102. At this time, the partition 105 can be lifted and moved to change the layered layout of the inner cavity of the ring network box body 1. After adjusting the height of the partition 105, the turning of the ear seat 207 is released, and the slide bar 202 is pulled. 202 is reset under the action of spring 204, so that the card slot 2031 opened by the card block 203 is locked with the card 1023 of the corresponding height, thereby completing the fixation of the partition 105, and the assembly of the partition 105 is simple and convenient; when the airflow flows under the operation of the heat dissipation fan 1033, the air inside the air guide cavity 1021 enters the inner cavity of the partition 105 through the side wind slot 1022, and is blown upward by the wind hole 1051 on the upper layer of the partition 105, further improving the distribution of the heat dissipation airflow in the inner cavity of the ring network box body 1, and improving the heat dissipation effect and efficiency.

[0027] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. A compact prefabricated metal closed ring network box, comprising a ring network box body (1), characterized in that: The ring network box body (1) comprises a box bottom (101), a box body (102), a box top (103) and a box door (106); the box wall of the box body (102) is a double-layer structure; an air guide cavity (1021) is formed between the two layers of the box wall of the box body (102); sliding card grooves (104) are provided on both sides of the top of the box body (102); sliding card strips (1041) matching the sliding card grooves (104) are provided on both sides of the bottom of the box body (102); and sliding card strips (1041) matching the sliding card grooves (104) are provided on both sides of the top of the box bottom (101) The box body (102) has a sliding card slot (104) matched with a sliding card strip (1041) provided at the bottom of the box body (102), and the sliding card strip (1041) provided at the bottom of the box body (102) is matched with the sliding card slot (104) provided at the top of the box body (101), and the bottom of the box top (103) is provided with sliding card strips (1041) matched with the sliding card slot (104) provided at the top of the box body (102), and the sliding card strip (1041) provided at the bottom of the box top (103) is matched with the sliding card slot (104) provided at the top of the box body (102). The card slot (104) is connected to the front side of the box body (102) through a hinge, a drying chamber (1011) is provided inside the box bottom (101), air inlets (1012) are provided on both sides of the drying chamber (1011), air guide slots (1015) connected to the bottom of the air guide cavity (1021) of the box body (102) are provided on both sides of the inner cavity of the box bottom (101), and a plurality of side wind slots (1022) arranged vertically and equidistantly are provided on both side walls of the inner layer of the box body (102). ), a fan chamber (1031) is provided inside the box top (103), a heat dissipation fan (1033) is provided at the bottom of the fan chamber (1031), an air intake port of the heat dissipation fan (1033) is connected to the inner cavity of the box body (102), exhaust ports (1032) are provided on both sides of the fan chamber (1031), a partition (105) is provided inside the box body (102), a partition connecting mechanism (2) is provided at the bottom of the partition (105), and the partition (105) is connected to the box body (102) via the partition connecting mechanism (2).

2. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: An inclined blade grille is provided on the outside of the opening of the air inlet (1012), a dust filter is provided close to the inside of the inclined blade grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter.

3. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: An inclined blade grille is provided on the outside of the opening of the exhaust port (1032), a dust filter is provided close to the inside of the inclined blade grille, and a moisture-absorbing cotton net is provided close to the inside of the dust filter.

4. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: A plurality of refrigeration pipes (1014) arranged horizontally are provided in the middle of the drying chamber (1011), and a fine filter layer (1013) is provided above the refrigeration pipes (1014).

5. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: A V-shaped air guide plate (1016) is provided at the top of the inner cavity of the drying chamber (1011), and two sides of the air guide plate (1016) are connected to the top of the opening of the air guide slot (1015).

6. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: The top of the box top (103) is provided with an inclined top cover (1034), and the bottom of the inclined top cover (1034) is provided with heat insulation cotton (1035).

7. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: The partition (105) is a double-layer hollow plate body, and both sides of the partition (105) are connected to the side wind slots (1022) provided on the inner side walls of the box body (102), and the upper plate surface of the partition (105) is provided with evenly arranged wind holes (1051).

8. A compact prefabricated metal closed ring cage according to claim 1, characterized in that: The partition connection mechanism (2) comprises four slide bars (202), the axial directions of the four slide bars (202) extend along the four end corners of the partition (105), and the slide bars (202) are slidably connected to a slide seat (201) fixed at the bottom of the partition (105), and a clamping block (203) is provided at the outer end of the slide bar (202), and a plurality of groups of cards (1023) arranged vertically and equidistantly are provided on the inner wall of the box body (102) and at the four end corners corresponding to the partition (105), and a card slot (2031) is provided at the outer end of the card block (203), and the card slot (2031) provided by the card block (203) is clamped with a card (1023) of a corresponding height.

9. A compact prefabricated metal closed ring cage according to claim 8, characterized in that: The slide bar (202) is sleeved with a spring (204), and two ends of the spring (204) are in contact with the slide seat (201) and the clamping block (203) respectively.

10. A compact prefabricated metal closed ring cage according to claim 8, characterized in that: A rotating disk (205) is rotatably connected to the middle of the bottom of the partition (105), and four linkage rods (206) are hinged on the rotating disk (205). The other ends of the four linkage rods (206) are respectively hinged to the ends of the four sliding rods (202). An ear seat (207) is provided in the middle of the rotating disk (205).

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