CN120237553B - Alternating-current low-voltage power distribution cabinet - Google Patents
Alternating-current low-voltage power distribution cabinetInfo
- Publication number
- CN120237553B CN120237553B CN202510707562.8A CN202510707562A CN120237553B CN 120237553 B CN120237553 B CN 120237553B CN 202510707562 A CN202510707562 A CN 202510707562A CN 120237553 B CN120237553 B CN 120237553B
- Authority
- CN
- China
- Prior art keywords
- air outlet
- heat dissipation
- cabinet body
- outlet pipe
- air inlet
- 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
Links
Classifications
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to an alternating-current low-voltage power distribution cabinet which comprises a cabinet body and a heat dissipation assembly, wherein the cabinet body is arranged on the ground, the heat dissipation assembly is arranged in the cabinet body and used for dissipating heat, the heat dissipation assembly comprises a heat dissipation shell, a fan and sealing plates, the heat dissipation shell is arranged at the top end of the cabinet body, each side wall of the heat dissipation shell is provided with a first air inlet, a plurality of sealing plates are in rotary fit in the heat dissipation shell, each sealing plate corresponds to the side wall of one heat dissipation shell, a control mechanism is arranged in the heat dissipation shell and used for driving the sealing plates to rotate, the rotation of the sealing plates can control the opening and closing of the first air inlet on the corresponding side wall of the heat dissipation shell, the top end of the cabinet body is provided with a second air inlet, and the fan is arranged on the top surface of the cabinet body.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an alternating-current low-voltage power distribution cabinet.
Background
A power distribution cabinet (also called a switchboard, a switch cabinet or a distribution box) is a core device for distributing electric energy, controlling a circuit and protecting equipment in an electric power system, and is mostly applied to families, commercial buildings, industrial plants and public facilities, and is a hub for connecting a main power supply and terminal electric equipment.
In the related art, the power distribution cabinet generally has good heat dissipation performance, so that electronic devices inside the power distribution cabinet are prevented from being damaged due to overheating, the existing power distribution cabinet is generally provided with vent holes on the side wall of the power distribution cabinet, hot air inside the power distribution cabinet can be discharged out of the power distribution cabinet through the vent holes, cold air outside the power distribution cabinet enters the power distribution cabinet, and heat generated when the electronic devices are taken away through circulating airflow.
The Chinese patent application with the authorized bulletin number of CN118748358B discloses a power distribution cabinet, which comprises a cabinet body, a filter screen and a knocking structure, wherein first air holes are formed in two opposite sides of the cabinet body, the filter screen covers the surfaces of the first air holes, the knocking structure comprises a knocking member, a rotating shaft and blades, the rotating shaft is rotatably arranged on the cabinet body, the extending direction of the rotating shaft is in the same direction as the extending direction of the first air holes, the blades are arranged on the outer wall of the cabinet body and positioned on the rotating shaft, the knocking member is arranged on the inner wall of the cabinet body, and the knocking member is used for driving the knocking member to knock the filter screen.
According to the novel automatic filter screen cleaning device, the air flow inside and outside the cabinet body is exchanged through the first air holes on the two sides of the cabinet body, the knocking structure is arranged, when external wind power and air flow blow through the blades, the blades can drive the rotating shaft to rotate, and along with the rotation of the rotating shaft, the position of the knocking piece can be changed and is contacted with the knocking piece, so that the knocking piece is stressed to knock the filter screen, deposited dust on the filter screen is knocked down, and the aim of automatically cleaning the filter screen is achieved.
But some switch boards need set up in outdoor environment, when the rain of blowing, wind-force can make the rainwater slope whereabouts, exists the rainwater and falls into the possibility in the switch board through the ventilation hole slope of switch board lateral wall, and the rainwater directly gets into in the switch board can lead to the electronic device short circuit in the switch board, and then damages electronic device.
Disclosure of Invention
The invention provides an alternating-current low-voltage power distribution cabinet, and aims to solve the problem that rainwater directly enters the power distribution cabinet through a vent hole in the related art.
The alternating-current low-voltage power distribution cabinet comprises a cabinet body and a heat dissipation assembly;
the cabinet body is arranged on the ground, and the heat dissipation assembly is arranged in the cabinet body and used for dissipating heat;
The heat dissipation assembly comprises a heat dissipation shell, a fan and a sealing plate, wherein the heat dissipation shell is arranged at the top end of the cabinet body, a first air inlet is formed in each side wall of the heat dissipation shell, the sealing plates are in rotary fit in the heat dissipation shell, each sealing plate corresponds to one side wall of the heat dissipation shell, a control mechanism is arranged in the heat dissipation shell and used for driving the sealing plate to rotate, the sealing plate can control the opening and closing of the first air inlet on the corresponding side wall of the heat dissipation shell in a rotary mode, a second air inlet is formed in the top end of the cabinet body, and the fan is arranged on the top surface of the cabinet body and used for sucking air in the heat dissipation shell to the inside of the cabinet body through the second air inlet.
The cooling air enters the cooling shell through the first air inlet, the fan pumps the cooling air in the cooling shell to the inside of the cabinet body, so that the inside of the cabinet body is cooled, the damage to electrical components caused by overhigh temperature in the cabinet body is prevented, when wind and rain are blown, rainwater can obliquely fall along the airflow flowing direction under the action of wind force, the control mechanism rotates the sealing plate corresponding to the airflow flowing direction, so that the sealing plate can seal the first air inlet corresponding to the airflow flowing direction, rainwater is prevented from obliquely entering the cooling shell, rainwater is prevented from entering the cabinet body from the second air inlet, the contact of the rainwater with the electrical components is avoided, and the damage to the electrical components is avoided.
Preferably, the control mechanism includes the rainwater collection box, deep bead and stay cord, and the heat dissipation shell is equipped with four first spouts that extend along the different directions of horizontal plane, every first spout all corresponds with a closure plate, every equal sliding fit in first spout department has a deep bead, the deep bead can follow corresponding first spout removes, the deep bead passes through the stay cord with corresponding closure plate is connected, the deep bead can drive through the stay cord the closure plate rotates, every the equal sliding fit in port department of first spout has one the rainwater collection box, the rainwater collection box pass through the elastic component with the heat dissipation shell is connected, the rainwater collection box can shelter from first spout.
The wind shield is characterized in that when wind blows and rain blows, rainwater is collected in the rainwater collecting box, the gravity of the rainwater overcomes the elasticity of the elastic piece and pushes the rainwater collecting box to move downwards, so that the wind shield is exposed, the wind force can push the port to face the wind shield in the first sliding groove corresponding to the wind direction, the wind shield moves along the first sliding groove, the wind shield pulls the sealing plate corresponding to the wind direction through the pull rope in the moving process, and the sealing plate rotates and seals the first air inlet corresponding to the wind force.
Preferably, waterproof blocks are further arranged in the heat dissipation shell, the waterproof blocks are continuously distributed along the circumferential direction of the heat dissipation shell, each waterproof block is distributed in parallel with one sealing plate, and the waterproof blocks are surrounded on the circumferential side of the second air inlet.
The waterproof block is arranged on the periphery of the second air inlet in a surrounding mode, a separation ring is formed on the periphery of the second air inlet, and partial rainwater is prevented from falling on the outer side of the top surface of the cabinet body and gradually spreading inwards to the second air inlet.
Preferably, the cabinet body is internally provided with an air inlet pipeline, the air inlet pipeline comprises a first air inlet pipeline and a second air inlet pipeline, the first air inlet pipeline is vertically distributed, the top end of the first air inlet pipeline is communicated with the fan, the bottom end of the first air inlet pipeline is communicated with the second air inlet pipeline, the second air inlet pipeline is horizontally distributed, and a plurality of third air inlets which are distributed at intervals are arranged on the second air inlet pipeline.
The air conditioner has the advantages that the fan pumps cold air in the heat dissipation shell to the first air inlet pipe, the cold air moves downwards along the first air inlet pipe and is discharged from the second air inlet on the second air inlet pipe, the discharged cold air blows upwards, the contact time of the cold air and hot air in the cabinet body is prolonged, the heat exchange efficiency can be improved, and accordingly more heat is brought away from the interior of the cabinet body.
Preferably, the cabinet body top still is equipped with the air-out pipeline, the air-out pipeline includes first tuber pipe and second tuber pipe that goes out, first tuber pipe level sets up, and with the top surface fixed connection of the cabinet body, the second tuber pipe level sets up, the second goes out the tuber pipe and is located the below of first tuber pipe, first tuber pipe with the second goes out tuber pipe and distributes perpendicularly, first tuber pipe with all be equipped with first air outlet on the lateral wall of second tuber pipe, first tuber pipe with the both ends of second tuber pipe all are equipped with the second air outlet, second air outlet and external intercommunication.
Preferably, two ends of the first air outlet pipe and the second air outlet pipe are respectively communicated with the bottom surface of the heat dissipation shell, a first ventilation opening and a second ventilation opening are formed, the first ventilation opening and the second ventilation opening are respectively located between the side wall of the heat dissipation shell and the corresponding sealing plate, and the sealing plate can seal the first ventilation opening or the second ventilation opening.
When the wind blows and rains, the closing plate rotates upwards, so that the first ventilation opening or the second ventilation opening is exposed, and cold air and rainwater can enter the first air outlet pipe or the second air outlet pipe through the first ventilation opening or the second ventilation opening, so that the temperature of the first air outlet pipe or the second air outlet pipe is reduced, and the temperature inside the cabinet body is further reduced.
Preferably, the first air outlet pipe and the second air outlet pipe are internally provided with all sealing mechanisms, each sealing mechanism comprises a first arc-shaped plate, a stop block and a turbine, each first arc-shaped plate is arranged at the first air outlet or the second air outlet and is in sliding fit with the first air outlet pipe or the second air outlet pipe, each stop block is in sliding fit with the first arc-shaped plate and is in elastic connection with the first arc-shaped plate, each stop block can be received in the first arc-shaped plate, each turbine is in running fit with the first air outlet pipe or the second air outlet pipe, each turbine can be stopped against the corresponding stop block, and the rotation of each turbine can push the corresponding first arc-shaped plate to move.
Preferably, a second arc-shaped plate is arranged beside the turbine, and the second arc-shaped plate can partially shield the turbine, so that wind power required for pushing the turbine to rotate is reduced.
Preferably, the top of the heat dissipation shell is in a truncated cone shape, and rainwater can slide down along the top surface of the heat dissipation shell in an inclined mode.
Preferably, the cabinet body is rotatably matched with a movable door, and the movable door is provided with a handle.
By adopting the technical scheme, the invention has the beneficial effects that:
According to the alternating-current low-voltage power distribution cabinet, cold air enters the heat dissipation shell through the first air inlet, the fan pumps the cold air in the heat dissipation shell into the cabinet body, so that the temperature in the cabinet body is reduced, damage to electric elements caused by overhigh temperature in the cabinet body is prevented, when wind and rain are blown down, rainwater can obliquely fall along the airflow flowing direction under the action of wind force, the control mechanism rotates the sealing plate corresponding to the airflow flowing direction, so that the sealing plate can seal the first air inlet corresponding to the airflow flowing direction, rainwater is prevented from obliquely entering the heat dissipation shell, rainwater is prevented from entering the cabinet body from the second air inlet, the rainwater is prevented from contacting the electric elements, and damage to the electric elements is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an ac low-voltage power distribution cabinet according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an ac low-voltage power distribution cabinet according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a heat dissipating assembly according to an embodiment of the present invention in another state.
Fig. 4 is a cross-sectional view of a heat dissipating housing according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a control mechanism according to an embodiment of the present invention.
Fig. 6 is a block position distribution diagram of an embodiment of the present invention.
Fig. 7 is a bottom cross-sectional view of an ac low-voltage power distribution cabinet according to an embodiment of the present invention.
Fig. 8 is a schematic view of a second vent position according to an embodiment of the invention.
Fig. 9 is a cross-sectional view of a second outlet duct according to an embodiment of the present invention.
FIG. 10 is a schematic view of a first cambered plate structure according to an embodiment of the invention.
Reference numerals:
1. the novel multifunctional air conditioner comprises a cabinet body, 101, a movable door, 102, a second air inlet, 21, a heat dissipation shell, 211, a first air inlet, 22, a fan, 23, a sealing plate, 241, a rainwater collecting box, 242, a wind shield, 243, a pull rope, 244, a first sliding groove, 3, a waterproof block, 41, a first air inlet pipe, 42, a second air inlet pipe, 43, a third air inlet, 51, a first air outlet pipe, 52, a second air outlet pipe, 521, a second air inlet, 53, a first air outlet, 54, a second air outlet, 61, a first arc-shaped plate, 62, a stop block, 63, a turbine, 64 and a second arc-shaped plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 10, the alternating-current low-voltage power distribution cabinet comprises a cabinet body 1 and a heat dissipation assembly, wherein the cabinet body 1 is supported on the ground, various electric elements can be placed in the cabinet body, the heat dissipation assembly is used for introducing cold air into the cabinet body 1 and discharging hot air in the cabinet body 1 out of the cabinet body 1, and damage to the electric elements caused by overhigh temperature in the cabinet body 1 is prevented.
Specifically, as shown in fig. 1, the cabinet body 1 is of a cuboid structure, the front side of the cabinet body 1 is rotatably matched with the movable door 101, a handle is arranged on the movable door 101, the movable door 101 can be pulled to be opened by manually pulling the handle, and the movable door 101 is arranged to facilitate a worker to open the cabinet body 1, so that electrical elements in the cabinet body 1 can be overhauled.
As shown in fig. 1, fig. 2 and fig. 6, the heat dissipation assembly comprises a heat dissipation shell 21, a fan 22 and a sealing plate 23, the heat dissipation shell 21 is fixedly arranged at the top of the cabinet body 1, the top of the heat dissipation shell 21 is in a truncated cone shape, the side walls of the heat dissipation shell 21 in the front, back, left and right directions are all inclined, a plurality of first air inlets 211 distributed at intervals are arranged on the four side walls, a second air inlet 102 is arranged on the top surface of the cabinet body 1, the fan 22 is an exhaust fan 22 in the conventional technology, the fan 22 is fixedly arranged on the top surface of the cabinet body 1, the air inlet of the fan 22 is communicated with the second air inlet 102, an air inlet pipeline is further arranged on the cabinet body 1, the air inlet pipeline comprises a first air inlet pipe 41 and a second air inlet pipe 42, the top end of the first air inlet pipe 41 is vertically distributed, the second air inlet pipe 42 is horizontally distributed and is communicated with the bottom end of the first air inlet 41, a plurality of third air inlets 43 distributed along the axial direction of the side wall of the second air inlet 42, cold air enters the heat dissipation shell 21 from the first air inlet 211 into the heat dissipation shell 21, the air inlet 21 is sucked into the first air inlet 43 and the first air inlet 41 and the second air inlet 43 from the first air inlet 41.
As shown in fig. 2 to 6, four sealing plates 23 are disposed in the heat dissipation housing 21, each sealing plate 23 corresponds to a side wall of one heat dissipation housing 21, the four sealing plates 23 are rotatably matched with the top surface of the cabinet body 1 through torsion springs, a control mechanism is disposed on the heat dissipation housing 21, the control mechanism comprises a rainwater collecting box 241, a wind shield 242 and a pull rope 243, four first sliding grooves 244 are disposed on the heat dissipation housing 21, the four first sliding grooves 244 are horizontally distributed and extend along the front, rear, left and right directions respectively, a wind shield 242 is disposed in each first sliding groove 244, the side wall of the wind shield 242 is attached to the inner wall of the first sliding groove 244, the wind shield 242 is slidably matched with the first sliding groove 244, the port of each first sliding groove 244 is provided with a rainwater collecting box 241, the rainwater collecting box 241 is slidably matched with the sealing housing, a guide groove is disposed beside the rainwater collecting box 241, the rainwater collecting box 241 stretches into the guide groove, and is connected with the housing 21 through an elastic member, the wind shield 242 is connected to the heat dissipation housing 21 through an elastic member, and the wind shield 242 is capable of being connected to the left end of the corresponding heat dissipation housing 23, and the left end of the heat dissipation housing 23 is fixed to the corresponding to the left end of the heat dissipation housing 23. The heat dissipation shell 21 is internally provided with four waterproof blocks 3, the four waterproof blocks 3 are all positioned on the inner sides of the four sealing plates 23, the adjacent waterproof blocks 3 are mutually attached to form a square frame structure, and the second air inlet 102 is positioned at the center of the four waterproof blocks 3.
In the initial state, the closing plate 23 is attached to the top surface of the cabinet body 1, during raining, rainwater can be collected in the rainwater collecting box 241, the gravity of the rainwater overcomes the elasticity of the elastic piece to push the rainwater collecting box 241 to move downwards and expose the wind shield 242, if the wind shield 242 is also accompanied by a wind blowing phenomenon during raining, wind force can push the wind shield 242 corresponding to the wind direction to move along the first sliding groove 244, the wind shield 242 pulls the closing plate 23 to rotate through the pull rope 243, the torsion spring stores the force, and the closing plate 23 rotates to close the corresponding first ventilation opening, so that the rainwater can be prevented from obliquely entering the heat dissipation shell 21.
As shown in fig. 7 to 9, the top of the cabinet body 1 is further provided with an air outlet pipeline, the air outlet pipeline comprises two first air outlet pipes 51 and two second air outlet pipes 52, the two first air outlet pipes 51 are horizontally distributed at intervals and extend along the front-back direction, the two second air outlet pipes 52 are horizontally distributed at intervals and extend along the left-right direction, the two second air outlet pipes 52 are located below the two first air outlet pipes 51 and vertically distributed with the first air outlet pipes 51, the two first air outlet pipes 51 and the two second air outlet pipes 52 form a groined structure, a plurality of first air outlets 53 are formed in the side wall of each first air outlet pipe 51 and each second air outlet pipe 52, one-way valves are arranged at the positions of each first air outlet 53, so that the first air outlets 53 are in one-way conduction, and air flow can only enter the first air outlet pipes 51 or the second air outlet pipes 52 from the interior of the cabinet body 1 through the first air outlets 53. The two ends of each first air outlet pipe 51 are fixedly connected with the top surface of the cabinet body 1, a first ventilation opening is formed at the joint of the first air outlet pipes and the top surface of the cabinet body 1, the first ventilation opening is located between the sealing plate 23 and the side wall of the heat dissipation shell 21, when the sealing plate 23 is attached to the top surface of the cabinet body 1, the sealing plate 23 can seal the corresponding first ventilation opening, the two ends of each second air outlet pipe 52 are fixedly connected with the top surface of the cabinet body 1, a second ventilation opening 521 is formed at the joint of the second air outlet pipes and the top surface of the cabinet body 1, the second ventilation opening 521 is located between the sealing plate 23 and the side wall of the heat dissipation shell 21, and when the sealing plate 23 is attached to the top surface of the cabinet body 1, the sealing plate 23 can seal the corresponding second ventilation opening 521. The two ends of each first air outlet pipe 51 and each second air outlet pipe 52 are respectively provided with a second air outlet 54, and the second air outlets 54 penetrate through the side wall of the cabinet body 1 and are communicated with the outside.
As shown in fig. 9 and 10, the first air outlet pipe 51 and the second air outlet pipe 52 are respectively provided with a sealing mechanism, each second air outlet 54 is provided with a sealing mechanism, each sealing mechanism comprises a first arc-shaped plate 61, a stop block 62 and a turbine 63, the first arc-shaped plate 61 is arranged at the second air outlet 54 and is in sliding fit with the inner wall of the first air outlet pipe 51 or the inner wall of the second air outlet pipe 52, the turbine 63 is positioned beside the first arc-shaped plate 61, the turbine 63 is in rotating fit with the inner wall of the first air outlet pipe 51 or the inner wall of the second air outlet pipe 52, the first arc-shaped plate 61 is provided with a stop block 62, the stop block 62 is in sliding fit with the first arc-shaped plate 61, the stop block 62 is elastically connected with the first arc-shaped plate 61 through a spring, and when the turbine 63 rotates, blades on the turbine 63 can be stopped against the stop block 62 and push the first arc-shaped plate 61 to rotate through the stop block 62. The turbine 63 is also provided with a second arc-shaped plate 64, the second arc-shaped plate 64 is fixedly connected with the inner wall of the first air outlet pipe 51 or the inner wall of the second air outlet pipe 52, the second arc-shaped plate 64 and the turbine 63 are distributed at intervals, a ventilation channel is formed between the second arc-shaped plate 64 and the inner wall of the first air outlet pipe 51 or the inner wall of the second air outlet pipe 52, and when air flows through the ventilation channel, the air flows can push the turbine 63 to rotate.
The implementation principle of the ac low-voltage power distribution cabinet in the embodiment of the invention is that in a conventional state, external cold air enters the heat dissipation shell 21 from the first air inlet 211, the fan 22 pumps the cold air in the heat dissipation shell 21 to the first air inlet pipe 41, enters the second air inlet pipe 42 along the first air inlet pipe 41, and then enters the cabinet body 1 from the third air inlet 43, so that the cold air flows upwards from below, heat generated by electrical elements in the cabinet body 1 can be carried away in the air flow process, hot air carrying the heat flows to the top of the cabinet body 1, enters the first air outlet pipe 51 and the second air outlet pipe 52 through the first air outlet 53, and then is discharged out of the cabinet body 1 from the second air outlet 54.
When raining, the rainwater can wash the lateral wall of the heat dissipation shell 21 that slope distributes to clean the lateral wall of heat dissipation shell 21, prevent its jam, partial rainwater can be along the lateral wall slope landing of heat dissipation shell 21, another part rainwater can get into heat dissipation shell 21, and fall between lateral wall and the waterproof piece 3 of heat dissipation shell 21, because the week side of second air intake 102 is equipped with waterproof piece 3, waterproof piece 3 can block rivers entering second air intake 102, the rainwater that gets into in the heat dissipation shell 21 can outwards flow, and discharge from the first air intake 211 of heat dissipation shell 21 lateral wall bottom.
If a wind blowing phenomenon is accompanied during raining, rainwater is collected in the rainwater collecting box 241 during raining, gravity of the rainwater overcomes the elasticity of the elastic piece and pushes the rainwater collecting box 241 to move downwards so as to expose the wind shield 242, wind force pushes the wind shield 242 corresponding to the rainwater to move, for example, when external airflow moves from front to back, wind force can push the wind shield 242 in the first sliding groove 244 with a front port to move backwards, the wind shield 242 moves backwards and pulls the sealing plate 23 positioned on the front side of the heat dissipation shell 21 through the pull rope 243, so that the sealing plate 23 moves upwards against the elasticity of the torsion spring, the front side of the heat dissipation shell 21 can be sealed, rainwater is prevented from tilting into the heat dissipation shell 21 and passing through the waterproof block 3 to enter the second air inlet 102. When the closing plate 23 rotates upwards, the first ventilation opening at the front side of the heat dissipation shell 21 is exposed, cold air can carry rainwater to enter the first air outlet pipe from the first ventilation opening and move to the rear end of the first air outlet pipe from the front end of the first air outlet pipe, in the process, air flow can push the two turbines 63 in the first air outlet pipe to rotate, so that the turbines 63 at the front side rotate anticlockwise, the turbines 63 at the rear side rotate clockwise, the turbines 63 at the front side rotate anticlockwise, so that the corresponding first arc plates 61 are pushed by the stop blocks 62 to rotate anticlockwise, the first arc plates 61 can close the second air outlet 54 at the front side of the first air outlet pipe, the turbines 63 at the rear side rotate clockwise, the corresponding first arc plates 61 are pushed by the stop blocks 62 to rotate clockwise, the second air outlet 521 at the rear side is kept in an open state, and cold air and rainwater entering the first air outlet pipe 51 from the first ventilation opening at the front side are prevented from being directly discharged from the second air outlet 54 at the front side, the cold air and the rainwater are prevented from moving along the first air outlet 51, and the temperature of the first air pipe 51 is further reduced by the first air pipe 51, and the temperature of the first air pipe 1 can be further reduced, and the temperature of the first air pipe 51 can be prevented from being further cooled, and the temperature of the air is further reduced.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (9)
1. An alternating-current low-voltage power distribution cabinet comprises a cabinet body and a heat dissipation assembly;
the cabinet body is arranged on the ground, and the heat dissipation assembly is arranged in the cabinet body and used for dissipating heat;
The heat dissipation assembly is characterized by comprising a heat dissipation shell, a fan and sealing plates, wherein the heat dissipation shell is arranged at the top end of the cabinet body, a first air inlet is formed in each side wall of the heat dissipation shell, a plurality of sealing plates are in rotary fit in the heat dissipation shell, each sealing plate corresponds to one side wall of the heat dissipation shell, a control mechanism is arranged in the heat dissipation shell and used for driving the sealing plates to rotate, the rotation of the sealing plates can control the opening and closing of the first air inlet on the corresponding side wall of the heat dissipation shell, a second air inlet is formed in the top end of the cabinet body, and the fan is arranged on the top surface of the cabinet body and used for pumping air in the heat dissipation shell to the interior of the cabinet body through the second air inlet;
The control mechanism comprises a rainwater collection box, a wind shield and a pull rope, wherein four first sliding grooves extending along different directions of a horizontal plane are formed in a radiating shell, each first sliding groove corresponds to one sealing plate, each first sliding groove is in sliding fit with one wind shield, the wind shield can move along the corresponding first sliding groove, the wind shield passes through the pull rope and is connected with the corresponding sealing plate, the wind shield can drive the sealing plate to rotate through the pull rope, each sealing plate is in sliding fit with one rainwater collection box at a port of the first sliding groove, the rainwater collection box is connected with the radiating shell through an elastic piece, and the rainwater collection box can shield the first sliding groove.
2. The ac low-voltage power distribution cabinet according to claim 1, wherein waterproof blocks are further arranged in the heat dissipation shell, the waterproof blocks are continuously distributed along the circumferential direction of the heat dissipation shell, each waterproof block is parallel to one of the sealing plates, and the waterproof blocks are surrounded on the circumferential side of the second air inlet.
3. The alternating current low-voltage power distribution cabinet according to claim 1, wherein an air inlet pipeline is arranged in the cabinet body, the air inlet pipe comprises a first air inlet pipe and a second air inlet pipe, the first air inlet pipe is vertically distributed, the top end of the first air inlet pipe is communicated with the fan, the bottom end of the first air inlet pipe is communicated with the second air inlet pipe, the second air inlet pipe is horizontally distributed, and a plurality of third air inlets which are distributed at intervals are formed in the second air inlet pipe.
4. The alternating current low-voltage power distribution cabinet according to claim 3, wherein the top of the cabinet body is further provided with an air outlet pipeline, the air outlet pipeline comprises a first air outlet pipe and a second air outlet pipe, the first air outlet pipe is horizontally arranged and fixedly connected with the top surface of the cabinet body, the second air outlet pipe is horizontally arranged, the second air outlet pipe is positioned below the first air outlet pipe, the first air outlet pipe and the second air outlet pipe are vertically distributed, the side walls of the first air outlet pipe and the second air outlet pipe are respectively provided with a first air outlet, the two ends of the first air outlet pipe and the two ends of the second air outlet pipe are respectively provided with a second air outlet, and the second air outlets are communicated with the outside.
5. The ac low-voltage power distribution cabinet according to claim 4, wherein two ends of the first air outlet pipe and the second air outlet pipe are respectively communicated with the bottom surface of the heat dissipation shell, and a first ventilation opening and a second ventilation opening are formed, the first ventilation opening and the second ventilation opening are respectively located between the side wall of the heat dissipation shell and the corresponding sealing plate, and the sealing plate can seal the first ventilation opening or the second ventilation opening.
6. The ac low-voltage power distribution cabinet according to claim 5, wherein the first air outlet pipe and the second air outlet pipe are both internally provided with a sealing mechanism, the sealing mechanism comprises a first arc plate, a stop block and a turbine, the first arc plate is arranged at the first air outlet or the second air outlet and is in sliding fit with the first air outlet pipe or the second air outlet, the stop block is in sliding fit with the first arc plate and is in elastic connection with the first arc plate, the stop block can be received in the first arc plate, the turbine is in rotating fit with the first air outlet pipe and/or the second air outlet pipe, the turbine can be stopped against the stop block, and the turbine can be rotated to push the first arc plate to move.
7. The ac low voltage power distribution cabinet of claim 6, wherein a second arcuate plate is positioned adjacent to the turbine, the second arcuate plate being capable of partially shielding the turbine to reduce the wind force required to propel the turbine to rotate.
8. The ac low voltage power distribution cabinet of claim 1, wherein the top of the heat dissipation housing is truncated cone-shaped, and rainwater can slide down obliquely along the top surface of the heat dissipation housing.
9. The ac low voltage power distribution cabinet of claim 1, wherein a movable door is rotatably fitted on the cabinet body, and a handle is provided on the movable door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510707562.8A CN120237553B (en) | 2025-05-29 | 2025-05-29 | Alternating-current low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510707562.8A CN120237553B (en) | 2025-05-29 | 2025-05-29 | Alternating-current low-voltage power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120237553A CN120237553A (en) | 2025-07-01 |
| CN120237553B true CN120237553B (en) | 2025-08-15 |
Family
ID=96157282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510707562.8A Active CN120237553B (en) | 2025-05-29 | 2025-05-29 | Alternating-current low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120237553B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212162370U (en) * | 2020-03-23 | 2020-12-15 | 大丰丰佰电气有限公司 | Anti-theft intelligent capacitor box |
| CN116191256A (en) * | 2022-12-29 | 2023-05-30 | 北京东升前进开关厂 | Strong heat dissipation type high-voltage power distribution cabinet |
| CN119009725A (en) * | 2024-09-10 | 2024-11-22 | 厦门科华数能科技有限公司 | Electrical cabinet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056487A (en) * | 2005-08-23 | 2007-03-08 | Hitachi Ltd | Gravity sliding doors and vehicles |
| KR102138814B1 (en) * | 2017-11-14 | 2020-07-28 | 오영태 | Power Distributing Board having Nonpowered Cooling Structure |
| CN110970820A (en) * | 2019-12-30 | 2020-04-07 | 太仓德纳森机电工程有限公司 | Multi-functional electrical control cabinet of sectional type |
| CN214384816U (en) * | 2021-01-08 | 2021-10-12 | 山东鲁源电器设备有限公司 | Novel exchange metal enclosed switchgear |
| CN217334716U (en) * | 2022-04-14 | 2022-08-30 | 武汉市武昌电控设备有限公司 | Waterproof and dehumidifying outdoor power distribution cabinet |
| CN219696922U (en) * | 2023-05-26 | 2023-09-15 | 中科智能(山东)有限公司 | Switch board with prevent function of electrocuting |
| CN222029490U (en) * | 2023-12-12 | 2024-11-19 | 江苏豫立智能装备有限公司 | Antistatic electrical control cabinet |
-
2025
- 2025-05-29 CN CN202510707562.8A patent/CN120237553B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212162370U (en) * | 2020-03-23 | 2020-12-15 | 大丰丰佰电气有限公司 | Anti-theft intelligent capacitor box |
| CN116191256A (en) * | 2022-12-29 | 2023-05-30 | 北京东升前进开关厂 | Strong heat dissipation type high-voltage power distribution cabinet |
| CN119009725A (en) * | 2024-09-10 | 2024-11-22 | 厦门科华数能科技有限公司 | Electrical cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120237553A (en) | 2025-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212849386U (en) | Environment-friendly gas insulation ring main unit | |
| CN210468539U (en) | Indoor ventilation system of transformer substation | |
| CN204651719U (en) | One is lowered the temperature power distribution cabinet automatically | |
| CN107959248A (en) | A kind of open air dust-proof radiating high-voltage appliance switch cabinet | |
| CN108448414A (en) | A kind of 330V low-voltage alternating-currents power distribution cabinet | |
| CN115425530A (en) | Indoor heat dissipation dust collector of high voltage substation | |
| CN120237553B (en) | Alternating-current low-voltage power distribution cabinet | |
| CN113745992A (en) | Electrical equipment switch cabinet with dustproof and antistatic functions | |
| CN210142833U (en) | Power supply protection device for cell terminal system | |
| CN112864862A (en) | Transformer case with dehumidification cooling performance | |
| CN221150716U (en) | Outdoor switch cabinet | |
| CN207149902U (en) | A kind of moistureproof anti-condensation switching station of self-loopa | |
| CN117254371A (en) | Gas-insulated metal-enclosed looped network switchgear | |
| CN113708284B (en) | Rechargeable looped netowrk switchgear | |
| CN113966121B (en) | Outdoor protection equipment of laying of router | |
| CN113422302B (en) | Container transformer substation utilizing rainwater to automatically clean filter screen | |
| CN210041074U (en) | A box-type substation that is easy to dissipate heat | |
| CN115173250A (en) | Outdoor power distribution cabinet and use method thereof | |
| CN209748303U (en) | A motor casing with heat dissipation function | |
| CN209056807U (en) | A kind of outdoor low voltage comprehensive distribution box | |
| CN220107230U (en) | Dust type switch board | |
| CN114421339A (en) | Isolating switch cabinet for power transmission and distribution transformer substation | |
| CN216355517U (en) | Power distribution control equipment with surface cleaning structure | |
| CN218513906U (en) | Switch cabinet with protection structure | |
| CN216145992U (en) | Ventilation and heat dissipation device for distribution room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |