CN116207644B - Electric power distribution cabinet - Google Patents
Electric power distribution cabinet Download PDFInfo
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- CN116207644B CN116207644B CN202310144463.4A CN202310144463A CN116207644B CN 116207644 B CN116207644 B CN 116207644B CN 202310144463 A CN202310144463 A CN 202310144463A CN 116207644 B CN116207644 B CN 116207644B
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- heat
- liquid
- groove
- heat absorption
- heat insulation
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- H02B1/30—Cabinet-type 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an electric power distribution cabinet, which relates to the field of power distribution cabinets and comprises a heat insulation box body, wherein an opening is formed in the top of the heat insulation box body, a stable base ring is arranged in the heat insulation box body and close to the opening at the top, the stable base ring is connected with the inside of the heat insulation box body through a hanging rope, a cold liquid tray is arranged at the bottom of the heat insulation box body, a plurality of heat absorption fan plates are arranged between the cold liquid tray and the stable base ring, a mounting cover is arranged at the opening at the top of the heat insulation box body, an annular mounting frame is arranged at the bottom of the mounting cover, a plurality of heat absorption fan plates are arranged outside the annular mounting frame, the heat absorption fan plates are formed by splicing heat absorption A plates and heat absorption B plates with the same structure, the heat absorption A plates and the heat absorption B plates are respectively provided with an A surface and a liquid injection groove from bottom to top. The power distribution cabinet disclosed by the invention has the advantages of improving the heat dissipation efficiency and enhancing the heat dissipation effect.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an electric power distribution cabinet.
Background
The distribution cabinet (box) transfer power distribution cabinet (box) and the illumination distribution cabinet (box) and the metering cabinet (box) are the final-stage equipment of the distribution system. The power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops.
In the process of operation of the power distribution cabinet, a large amount of heat can be generated by the internal components, so that the power distribution cabinet is required to be provided with a heat dissipation system. The power distribution cabinet cooling system on the market has three modes of air cooling, liquid cooling and air-liquid cooling, and the existing cooling system can reduce the internal temperature of the power distribution cabinet, but has poor environmental adaptability and low cooling efficiency. For example, the wind liquid cooling integral type cooling system, current switch board with adopted the design of louvre, after long-time use forced air cooling, the dust in the external environment is easy to adhere on the louvre, even has installed the filter screen additional, also can reduce radiating efficiency, when higher environment of temperature and season, the heat in the switch board can't in time be discharged, has the potential safety hazard. In addition, the existing wind-liquid cooling integrated heat dissipation system does not effectively combine air cooling and liquid cooling, heat dissipation efficiency still needs to be improved, for example, the heat productivity of different modules in a power distribution cabinet is different, but the heat dissipation module of the existing heat dissipation system is fixed at a position after installation and is mostly installed on the back and the bottom of the power distribution cabinet, and when the installation position is far away from a heat generation area, the local heat absorption efficiency is low.
Disclosure of Invention
The invention discloses an electric power distribution cabinet, and aims to solve the technical problem that a heat dissipation effect of a heat dissipation system in the background art is poor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an electric power distribution cabinet, includes the heat-insulating box body, the heat-insulating box body top is provided with the opening, the inside of heat-insulating box body is close to the open-top department and is provided with steady base ring, steady base ring through the lifting rope that sets up with the internal connection of heat-insulating box body, the bottom of heat-insulating box body is provided with cold liquid dish, cold liquid dish with be provided with a plurality of heat absorption fan boards between the steady base ring, the open-top department of heat-insulating box body is provided with the installation lid, the bottom of installation lid is provided with annular mounting bracket, a plurality of heat absorption fan boards set up in the outside of annular mounting bracket, heat absorption fan board by the same heat absorption A board of structure and heat absorption B board concatenation are constituteed, heat absorption A board with heat absorption B board all is provided with A face and B face, A face has set gradually the liquid injection groove from bottom to top, the cooling trough and the confluence groove, cooling trough is provided with the wave, and the department is provided with the bleeder vent of vase shape, be provided with on the B face with the cooling trough direction adaptation and be provided with the installation lid, a plurality of heat absorption fan boards set up in the wall thickness of the heat absorption fan board, be used for increasing the cooling liquid on the cooling trough is provided with the wall thickness of the curved base ring and is provided with the heat absorption groove.
The heat absorption fan plates are arranged outside the annular mounting frame and used for enhancing the heat dissipation effect, the heat absorption fan plates rotate around the annular mounting frame provided with the module assembly during use, so that two effects can be achieved, one effect is that cold air spray heads are arranged inside the annular mounting frame and the heat absorption fan plates flow, when the heat absorption fan plates incline at a proper angle and rotate at a proper rotating speed, the heat absorption fan plates can cause convection of cold air flow at different degrees at two sides of the annular mounting frame, so that heat dissipation is accelerated, the heat exchange efficiency is improved, the other effect is that the heat absorption fan plates near the module assembly are continuously refreshed, heat accumulation caused by untimely heat dissipation is avoided, the internal temperature of the heat insulation box is uniform, the heat absorption fan plates nearest to a certain module assembly continuously change during use, each heat absorption fan plate passing through the heat generation assembly absorbs a part of heat, the heat absorption fan plates can rapidly take away less heat, the heat absorption fan plates can maintain low heat dissipation efficiency, and the heat absorption fan plates heat exchange is high in the periphery, and the heat absorption box is prevented from rising to a high temperature threshold value; the heat absorption fan plate with special design can effectively absorb heat, the flowing refrigerant is utilized to remove heat, the design of the drainage groove and the ventilation holes can enable the drainage groove to be closer to the external environment, heat absorption efficiency is improved, the ventilation holes are designed into a vase shape, when the heat absorption fan plate rotates, hot air enters from an open inlet of the B face and whirls in a middle cavity of the ventilation holes, heat exchange is carried out, cold air enters into the heat insulation box body after being discharged from an outlet of the A face, the cold air flows to the inner side from the outer side through the driving of the heat absorption fan plate, the flowing direction of a part of the cold air flows is changed to pass through from the upper side and the lower side of the heat absorption fan plate, the ventilation holes are flushed at different positions of the annular mounting frame, and the other part of air enters into the cold air-liquid mechanism for secondary cooling.
In a preferred scheme, the heat insulation box body is located the wall of cooling zone is provided with gathers the gas hood, gather the one end opening part of gas hood and be provided with the circulation trachea, be provided with the cooling cistern on the circulation trachea, be provided with cooling module and liquid pump on the cooling cistern, be provided with porous absorber plate on the cooling cistern, porous absorber plate's top is located the inside of cooling cistern, porous absorber plate's bottom is located the inside of circulation trachea, the one end of circulation trachea is provided with the gas injection pipe, gas injection pipe with the circulation trachea junction is provided with drying module and circulation fan, the one end of gas injection pipe is provided with the air conditioning shower nozzle, the top of air conditioning shower nozzle is located the inboard of annular mounting bracket, the shower nozzle the gas injection pipe the circulation trachea the circulation fan, the drying module the cooling cistern the cooling module with the air conditioning liquid pump constitutes air conditioning liquid mechanism.
Through setting up cold air liquid mechanism and heat-insulating box installation back, form the enclosure space, the switch board is isolated with external environment, guarantee the interior environment dustless formation of heat-insulating box, the phenomenon of dust accumulation has been avoided, on the one hand, can isolate external environment's temperature influence, form the inner loop, on the other hand, can avoid the bleeder vent to be stopped up on the heat absorption fan board, maintain high heat exchange rate, the heat that switch board module assembly produced finally conveys cooling fluid groove department through the refrigerant, the air after the circulation in the switch board passes through the porous absorber plate of multilayer, heat conveys in the cooling fluid groove through porous absorber plate, the dehumidification of drying module again after the secondary cooling, the circulation fan improves the velocity of flow, then reentrant heat-insulating box is inside, form the air conditioning beam through the cooling shower nozzle, accurate impact is on each module assembly, the main heat absorption area of liquid refrigerant is located the heat absorption fan board, the heat-insulating fluid pipe that partly comes from in the heat-insulating box wall, liquid refrigerant flows in cooling fluid groove after assembling, get back to the inner loop of heat-insulating box after cooling.
In a preferred scheme, the middle part of cold liquid dish is provided with the cold gas pocket, the heat absorption fan board through the branch that sets up with steady base ring with cold liquid dish rotates to be connected, cold liquid dish with branch junction is provided with the circulator, annotate the liquid mouth with cold liquid dish intercommunication department is provided with annotates the liquid valve, the bottom of cold liquid dish is provided with the power arm, the bottom of power arm is provided with annotates the liquid mouth, annotate the intraductal filter screen that is provided with of liquid, the bottom of power arm is provided with the supporting seat rather than rotating to be connected, the supporting seat with through the leg joint who sets up between the inner wall of heat insulation box, the supporting seat with the power arm junction is provided with seal assembly, be provided with on the supporting seat and annotate the liquid pipe, annotate the liquid pipe with the air conditioning mechanism is connected.
Through cold liquid dish that sets up as power supply and refrigerant source, the inclination that the rotor that sets up on the cold liquid dish is used for adjusting the heat absorption fan board, when the subassembly rotates, different inclination can arouse the air current convection of different degree, and the bleeder vent is when different heat absorption fan boards set up into different inclination, adsorbed air quantity and speed are also different, thereby adapt multiple service environment, according to the user demand, adjust radiating efficiency, maintain the switch board inside temperature, every annotate the refrigerant flow of a set of heat absorption fan board of liquid valve individual control, be used for adjusting the temperature of heat absorption fan board self, be used for monitoring each heat absorption fan board inlet hydraulic pressure change through the hydraulic pressure detector of setting, in time discover the pore jam condition, timely maintenance can ensure the radiating effect of device, liquid refrigerant in the cold liquid dish is driven through the centrifugal force that produces when the power input of liquid pump rotates, force liquid refrigerant flows upward from the below, set up the filter screen in annotate liquid mouth department, be used for filtering impurity, guarantee the liquid refrigerant purity of flow into the diffusion groove, avoid the emergence of jam condition.
From the foregoing, an electric power distribution cabinet, including the heat-insulating box body, the heat-insulating box body top is provided with the opening, the inside of heat-insulating box body is close to the top opening part and is provided with steady base ring, steady base ring through the lifting rope that sets up with the internal connection of heat-insulating box body, the bottom of heat-insulating box body is provided with cold liquid dish, cold liquid dish with be provided with a plurality of heat absorption fan boards between the steady base ring, the top opening part of heat-insulating box body is provided with the installation lid, the bottom of installation lid is provided with annular mounting bracket, a plurality of heat absorption fan boards set up in the outside of annular mounting bracket, heat absorption fan boards are by the identical heat absorption A board of structure and heat absorption B board concatenation constitution, heat absorption A board with heat absorption B board all is provided with A face and B face, A face has set gradually the liquid groove down, and the flow distribution groove and flow distribution groove, the flow distribution groove is provided with the wave, and the bend department is provided with the bleeder vent of vase shape, be provided with on the B face trend adaptation with the top opening part is provided with the installation lid, the heat absorption fan board is provided with the wall thickness of heat absorption groove, the guide groove is provided with the wall thickness of heat absorption groove, the heat absorption fan board is provided with the heat absorption groove. The power distribution cabinet provided by the invention has the technical effects of improving the heat dissipation efficiency and improving the heat dissipation effect.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an electric power distribution cabinet according to the present invention.
Fig. 2 is a schematic diagram of an internal component of a heat insulation box of an electric power distribution cabinet according to the present invention.
Fig. 3 is a schematic diagram of a heat absorbing fan plate mounting structure of an electric power distribution cabinet according to the present invention.
Fig. 4 is a schematic diagram of a heat absorbing a board structure of an electric power distribution cabinet according to the present invention.
Fig. 5 is a schematic diagram of a partial sectional structure of a heat absorbing a plate of an electric power distribution cabinet according to the present invention.
Fig. 6 is a schematic diagram of a connection structure between a cooling liquid tray and a supporting seat of an electric power distribution cabinet according to the present invention.
Fig. 7 is a schematic diagram of a partial cross-sectional structure of a base ring of an electric power distribution cabinet according to the present invention.
Fig. 8 is a schematic diagram of a mounting cover structure of an electric power distribution cabinet according to the present invention.
In the figure: 1. a heat insulation box; 2. a mounting cover; 3. a gas collecting hood; 4. a cooling module; 5. a cooling liquid tank; 6. a liquid pump; 7. a porous absorber plate; 8. a circulation gas pipe; 9. a drying module; 10. a circulation fan; 11. an air injection pipe; 12. an elastic sealing strip; 13. a heat insulating liquid pipe; 14. a liquid injection pipe; 15. a stabilizer ring; 16. a cold liquid tray; 17. a power arm; 18. a support base; 19. a driven gear; 20. a drive gear; 21. a transmission shaft; 22. a motor; 23. a bottom separator; 24. a heat absorbing fan plate; 25. a top separator; 26. a component area; 27. a cooling zone; 28. a liquid outlet; 29. a support rod; 30. a rotator; 31. a liquid injection valve; 32. a hydraulic pressure detector; 33. a cold air hole; 34. a heat absorption plate A; 35. a heat absorption B plate; 36. a liquid injection groove; 37. a shunt channel; 38. a dispersion groove; 39. ventilation holes; 40. a sink groove; 41. a surface; 42. a surface B; 43. drainage grooves; 44. reinforcing ribs; 45. a filter screen; 46. a liquid injection port; 47. a seal assembly; 48. a confluence ring A; 49. sealing the isolation sleeve; 50. a hanging rope; 51. a confluence B ring; 52. a manifold; 53. an annular mounting frame; 54. a cold air spray head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The invention discloses an electric power distribution cabinet which is mainly applied to a scene of heat dissipation of the distribution cabinet.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, an electric power distribution cabinet comprises a heat insulation box body 1, and is characterized in that an opening is arranged at the top of the heat insulation box body 1, a stable base ring 15 is arranged in the heat insulation box body 1 near the top opening, the stable base ring 15 is connected with the inside of the heat insulation box body 1 through a hanging rope 50, a cold liquid tray 16 is arranged at the bottom of the heat insulation box body 1, a plurality of heat absorption fan plates 24 are arranged between the cold liquid tray 16 and the stable base ring 15, a mounting cover 2 is arranged at the top opening of the heat insulation box body 1, an annular mounting frame 53 is arranged at the bottom of the mounting cover 2, the plurality of heat absorption fan plates 24 are arranged outside the annular mounting frame 53, the heat absorption fan plates 24 are formed by splicing heat absorption A plates 34 and heat absorption B plates 35 with the same structure, the heat absorption A plate 34 and the heat absorption B plate 35 are respectively provided with an A surface 41 and a B surface 42, the A surface 41 is sequentially provided with a liquid injection groove 36, a diversion groove 37, a dispersion groove 38 and a confluence groove 40 from bottom to top, the dispersion groove 38 is provided with a wave shape, the bending part is provided with a vase-shaped ventilation hole 39, the B surface 42 is provided with a drainage groove 43 which is matched with the dispersion groove 38 in trend and used for reducing the wall thickness and improving the heat dissipation effect, the position, close to the drainage groove 43, of the B surface 42 is provided with a reinforcing rib 44 for increasing the wall thickness, the joint of the liquid injection groove 36 and the cold liquid disc 16 is provided with a liquid injection opening 46, the joint of the confluence groove 40 and the steady base ring 15 is provided with a liquid outlet 28, and the heat insulation box 1 is provided with a cold liquid mechanism which is communicated with the heat absorption fan plate 24.
Further, after the heat absorbing a plate 34 and the heat absorbing B plate 35 are spliced, the liquid injection groove 36, the shunt groove 37, the dispersion groove 38, the confluence groove 40 and the ventilation hole 39 are just spliced together to form a complete pore canal, the spliced part is subjected to sealing treatment, the dispersion groove 38 occupies more than two thirds of the area of the middle part of the a surface 41, the ventilation hole 39 arranged in a vase shape is larger towards one end opening of the B surface 42, smaller towards one end opening of the a surface 41, the middle part of the ventilation hole 39 is arranged into a larger cavity, the position of the cavity is close to the dispersion groove 38, the stable base ring 15 is composed of a confluence A ring 48 and a confluence B ring 51, the confluence A ring 48 and the confluence B ring 51 are rotationally connected, the joint is provided with a sealing isolation sleeve 49, the confluence A ring 48 is connected with the liquid outlet 28, the confluence B ring 51 is provided with a confluence pipe 52, and the confluence pipe 52 is communicated with the cold air liquid mechanism.
Specifically, the plurality of heat absorbing fan plates 24 rotate synchronously without interference, the B surface 42 faces the annular mounting frame 53 all the time, and the a surface 41 faces the inner wall of the heat insulating box 1.
Specifically, the diameters of the channels of the sink 40, the injection groove 36, the diversion groove 37, and the dispersion groove 38 become smaller in order, and the area occupied by the dispersion groove 38 is largest.
It should be noted that, through the module assembly that is provided with the annular mounting frame 53 and is used for installing the switch board, the module assembly annular distribution can increase the radiating area, thereby improve radiating efficiency, through setting up a plurality of heat absorption fan plates 24 in the outside of annular mounting frame 53, be used for reinforcing radiating effect, the heat absorption fan plates 24 rotate round the annular mounting frame 53 that installs the module assembly during the use, can reach two kinds of effects, an effect is to drive the flow of cold and hot air current, because the inside of annular mounting frame 53 is provided with the air conditioning shower nozzle 54, and there is the refrigerant flow in the inside of heat absorption fan plates 24, when heat absorption fan plates 24 slope with suitable angle, suitable rotational speed rotates, can cause the convection of cold and hot air current of different degrees in both sides of annular mounting frame 53, thereby accelerate heat dissipation, improve heat exchange efficiency, another effect is to constantly refresh the heat absorption fan plates 24 near the module assembly, thereby avoid the heat that the heat dissipation not in time causes, make the inside temperature of heat insulation box 1 uniform, a plurality of heat absorption fan plates 24 do not rotate during the use, make the nearest fan plates 24 constantly change from a certain module assembly, each heat absorption fan plate 24 through a part of the assembly, the heat absorption fan plate 24 absorbs heat of the heat absorption efficiency, the heat absorption efficiency is less than the heat absorption fan plate 24, the heat absorption efficiency is high, the ambient heat absorption efficiency is avoided, the heat absorption efficiency is low, the heat is self heat absorption efficiency is high, and the heat absorption efficiency is avoided, the heat is low has high, and the heat absorption efficiency is lower the heat has self-absorption efficiency is lower heat temperature has heat absorption efficiency and has lower heat efficiency, and has heat efficiency; the heat absorption fan plate 24 with special design can absorb heat effectively, the flowing refrigerant is utilized to remove heat, the design of the drainage groove 43 and the ventilation holes 39 can enable the drainage groove 38 to be closer to the external environment, heat absorption efficiency is improved, the ventilation holes 39 are designed into a vase shape, when the heat absorption fan plate 24 rotates, hot air enters from the open inlet of the B surface 42 and swirls in the middle cavity of the ventilation holes 39, heat exchange is carried out, cold air enters the heat insulation box body 1 after being discharged from the outlet of the A surface 41, cold air flows are driven by the heat absorption fan plate 24 to circulate from the outside to the inside, the flowing direction of part of the cold air flows is changed to pass through the upper side and the lower side of the heat absorption fan plate 24, the other part of the cold air flows into the cold air-liquid mechanism to cool for the second time at different positions of the annular mounting frame 53.
Referring to fig. 1, 2 and 8, in a preferred embodiment, a bottom partition plate 23 is disposed at a position close to the cold liquid tray 16 inside the heat insulation box 1, a top partition plate 25 is disposed at a position close to the base ring 15 inside the heat insulation box 1, a cooling area 27 is formed between the top partition plate 25 and the bottom partition plate 23, an assembly area 26 is formed between the bottom partition plate 23 and the bottom of the heat insulation box 1, the heat insulation box 1 is integrally pressed by heat insulation materials, a heat insulation liquid pipe 13 is disposed in a wall of the heat insulation box 1, the heat insulation liquid pipe 13 is communicated with the cold liquid mechanism, and an elastic sealing strip 12 is disposed at a joint of the heat insulation box 1 and the mounting cover 2.
Specifically, the module assembly of the power distribution cabinet is located in the cooling area 27 after being installed to form a relatively isolated environment for reducing the heat influence generated during the operation of the cold air liquid mechanism self assembly in the heat insulation box body 1.
Referring to fig. 1, 2, 3, 6 and 7, in a preferred embodiment, a gas collecting cover 3 is disposed on a wall surface of a cooling area 27 of a heat insulation box 1, a circulating gas pipe 8 is disposed at an opening of one end of the gas collecting cover 3, a cooling liquid tank 5 is disposed on the circulating gas pipe 8, a cooling module 4 and a liquid pump 6 are disposed on the cooling liquid tank 5, a porous heat absorbing plate 7 is disposed on the cooling liquid tank 5, the top of the porous heat absorbing plate 7 is disposed in the cooling liquid tank 5, the bottom of the porous heat absorbing plate 7 is disposed in the circulating gas pipe 8, a gas injection pipe 11 is disposed at one end of the circulating gas pipe 8, a drying module 9 and a circulating fan 10 are disposed at a joint of the gas injection pipe 11 and the circulating gas pipe 8, a cold gas spray head 54 is disposed at one end of the gas injection pipe 11, and the cold gas spray head 54, the gas injection pipe 11, the circulating gas pipe 8, the circulating fan 10, the drying module 9, the cooling liquid tank 5, the cooling liquid tank 4 and the liquid pump 6 form a cold gas mechanism.
Specifically, the cooling liquid tank 5, the motor 22 and the liquid pump 6 are arranged outside the heat insulation box body 1, the cold air spray head 54 extends into the annular mounting frame 53 from the bottom at the cold air hole 33, and the heat insulation materials are wrapped outside the circulating air pipe 8 and the air injection pipe 11.
In a specific operating environment, a plurality of liquid pumps 6, cooling liquid tanks 5 and cooling modules 4 are provided, and each cooling system corresponds to a heat dissipation component so as to avoid heat accumulation.
It should be noted that, through setting up cold air liquid mechanism and heat insulation box 1 installation back, form the enclosure space, the switch board is isolated with external environment, guarantee the interior environment dustless of heat insulation box 1, the phenomenon of dust accumulation has been avoided, on the one hand, can isolate external environment's temperature influence, form the inner loop, on the other hand, can avoid the heat absorption fan board 24 on the bleeder vent 39 to be stopped up, maintain high heat exchange rate, the heat that switch board module assembly produced finally conveys cooling fluid bath 5 department through the refrigerant, the air after the circulation in the switch board passes through multilayer porous absorber plate 7, heat passes through porous absorber plate 7 and conveys cooling fluid bath 5 in, the drying module 9 dehumidifies again after the secondary cooling, circulation fan 10 improves the velocity of flow, then reentrant heat insulation box is inside, form the cold air beam through the cooling shower nozzle, the accurate impact is on each module assembly, the main absorber region of liquid refrigerant is located on fan board 24, the heat insulation liquid pipe 13 that the little comes from in the heat insulation box 1 wall, the liquid refrigerant flows in cooling fluid bath 5 after the cooling back to the inside circulation of heat insulation box 1 after the cooling.
Referring to fig. 2, 3 and 6, in a preferred embodiment, a cold air hole 33 is formed in the middle of a cold liquid tray 16, a heat absorbing fan plate 24 is rotatably connected with a stable base ring 15 and the cold liquid tray 16 through a support rod 29, a rotator 30 is arranged at the joint of the cold liquid tray 16 and the support rod 29, a liquid injection valve 31 is arranged at the joint of a liquid injection port 46 and the cold liquid tray 16, a power arm 17 is arranged at the bottom of the cold liquid tray 16, a liquid injection port 46 is arranged at the bottom of the power arm 17, a filter screen 45 is arranged in the liquid injection port 46, a supporting seat 18 connected with the power arm 17 in a rotating manner is arranged at the bottom of the power arm 17, a sealing assembly 47 is arranged at the joint of the supporting seat 18 and the power arm 17, a liquid injection pipe 14 is arranged on the supporting seat 18 and is connected with a cold liquid mechanism, a driven gear 19 is arranged on one side of the driven gear 19, a transmission shaft 21 is connected with power on the driving gear 20, a motor 22 is arranged at one end of the transmission shaft 21, a hydraulic pressure detector 32 is arranged on the motor 22, a hydraulic pressure detector 1 is connected with the cold liquid detector 32, and the hydraulic pressure detector 32 is arranged on the outer side of the heat insulating box 1.
Specifically, the rotator 30 drives the heat absorbing fan plate 24 to rotate through the rotating support rod 29, the other end of the liquid injection pipe 14 is connected with the liquid pump 6, and the cooling liquid in the cooling liquid tank 5 is pumped into the supporting seat 18 through the liquid injection pipe 14.
In a specific application scenario, a stabilizer is disposed at the bottom of the cold liquid tray 16, for stabilizing the rotation posture of the cold liquid tray 16.
It should be noted that, through the cold liquid tray 16 that sets up as power supply and refrigerant source, the rotor 30 that sets up on the cold liquid tray 16 is used for adjusting the inclination of heat absorption fan board 24, when the subassembly rotates, different inclination can cause the air current convection of different degree, and bleeder vent 39 is when different heat absorption fan board 24 set up into different inclination, the air quantity and the speed that adsorb are also different, thereby adapt multiple service environment, according to the user demand, adjust radiating efficiency, maintain the switch board inside temperature, every annotate liquid valve 31 independently control a set of heat absorption fan board 24's refrigerant flow, be used for adjusting the temperature of heat absorption fan board 24 self, be used for monitoring each heat absorption fan board 24 inlet hydraulic pressure change through the hydraulic pressure detector 32 that sets up, in time discover the jam condition, timely maintenance can ensure the radiating effect of device, liquid refrigerant in the cold liquid tray 16 is driven through the centrifugal force that produces when the power input of liquid pump 6 and rotation, force liquid refrigerant flows upward from the bottom, set up 45 at the annotate liquid mouth 46, be used for filtering impurity, guarantee the purity degree of the liquid that flows into the launder 38, avoid the pure condition of jam of the filter screen.
Working principle: the module subassembly of switch board is installed on annular mounting bracket 53 to put into wherein at the top of top heat-insulating box 1, the inside of module subassembly is provided with air conditioning shower nozzle 54 this moment, and the outside is provided with a plurality of heat absorption fan boards 24, and when cooling system operation, heat absorption fan board 24 rotates, produces convection current wind, and absorbs the heat that module subassembly gives off, and the velocity of flow of convection current wind is related to heat absorption fan board 24's rotational speed and inclination, compares with current device, and special design heat absorption fan board 24 and the orbit thereof can reach fine heat absorption effect, when quick heat absorption wall temperature risees, produces circulation cold air current and can reduce module subassembly temperature.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an electric power distribution cabinet, includes heat-insulating box (1), its characterized in that, heat-insulating box (1) top is provided with the opening, the inside of heat-insulating box (1) is close to the top opening part and is provided with steady base ring (15), steady base ring (15) through lifting rope (50) that set up with the internal connection of heat-insulating box (1), the bottom of heat-insulating box (1) is provided with cold liquid dish (16), cold liquid dish (16) with steady base ring (15) between be provided with a plurality of heat absorption fan board (24), the top opening part of heat-insulating box (1) is provided with installation lid (2), the bottom of installation lid (2) is provided with annular mounting bracket (53), a plurality of heat absorption fan board (24) set up in the outside of annular mounting bracket (53), heat absorption fan board (24) are by the identical heat absorption A board (34) of structure and heat absorption B board (35) are constituteed, A board (34) with B board (35) are provided with heat absorption face (42), heat absorption groove (41) and water diversion trench (38) are provided with on wave-shaped groove (41) in proper order, and fluid-flow distribution groove (38) are provided with on bending groove (41), the B surface (42) is provided with a drainage groove (43) which is in trend adaptation with the dispersion groove (38) and is used for reducing the wall thickness and improving the heat dissipation effect, a reinforcing rib (44) which is used for increasing the wall thickness is arranged at a position, close to the drainage groove (43), on the B surface (42), a liquid injection hole (46) is formed in the joint of the liquid injection groove (36) and the cold liquid disc (16), a liquid outlet (28) is formed in the joint of the converging groove (40) and the stable base ring (15), and a cold liquid mechanism which is communicated with the heat absorption fan plate (24) is arranged on the heat insulation box body (1);
a bottom isolation plate (23) is arranged in the heat insulation box body (1) and close to the cold liquid disc (16), a top isolation plate (25) is arranged in the heat insulation box body (1) and close to the stable base ring (15), a cooling area (27) is formed between the top isolation plate (25) and the bottom isolation plate (23), and an assembly area (26) is formed between the bottom isolation plate (23) and the bottom of the heat insulation box body (1);
the heat insulation box body (1) is located be provided with on the wall of cooling zone (27) and gather gas hood (3), the one end opening part that gathers gas hood (3) is provided with circulation trachea (8), be provided with cooling liquid groove (5) on circulation trachea (8), be provided with cooling module (4) and liquid pump (6) on cooling liquid groove (5), be provided with porous absorber plate (7) on cooling liquid groove (5), the top of porous absorber plate (7) is located the inside of cooling liquid groove (5), the bottom of porous absorber plate (7) is located the inside of circulation trachea (8), the one end of circulation trachea (8) is provided with gas injection tube (11), gas injection tube (11) with the one end junction of circulation trachea (8) is provided with drying module (9) and circulation fan (10), the one end of gas injection tube (11) is provided with air cooling air shower nozzle (54), the top of air cooling air shower nozzle (54) is located the inboard of annular air shower nozzle (53), shower nozzle (54), gas injection tube (11), circulation tube (8), drying module (5), circulation fan (5) The cooling module (4) and the liquid pump (6) form a cold air-liquid mechanism.
2. An electric power distribution cabinet according to claim 1, characterized in that the middle part of cold liquid dish (16) is provided with cold gas pocket (33), heat absorption fan board (24) through branch (29) that set up with steady base ring (15) with cold liquid dish (16) rotate to be connected, cold liquid dish (16) with branch (29) junction is provided with circulator (30), annotate liquid mouth (46) with cold liquid dish (16) intercommunication department is provided with annotates liquid valve (31), the bottom of cold liquid dish (16) is provided with power arm (17), the bottom of power arm (17) is provided with annotates liquid mouth (46), annotate and be provided with filter screen (45) in the liquid mouth (46), the bottom of power arm (17) is provided with supporting seat (18) rather than rotating to be connected, supporting seat (18) with be connected through the support that sets up between the inner wall of heat-insulating box (1), supporting seat (18) with arm (17) intercommunication department is provided with annotate liquid valve (31), the bottom of power arm (17) is provided with annotates liquid mouth (46), annotate liquid (14) is provided with on the pipe (14).
3. An electric power distribution cabinet according to claim 2, characterized in that a driven gear (19) is arranged on the power arm (17), a driving gear (20) meshed with the driven gear (19) is arranged on one side of the driven gear (19), a transmission shaft (21) is connected to the driving gear (20) in a power mode, a motor (22) is arranged at one end of the transmission shaft (21), and the motor (22) is arranged outside the heat insulation box body (1).
4. The electric power distribution cabinet according to claim 1, wherein after the heat absorbing a plate (34) and the heat absorbing B plate (35) are spliced, the liquid injection groove (36), the shunt groove (37), the diffusion groove (38), the converging groove (40) and the ventilation hole (39) are just spliced together to form a complete pore canal, the spliced part is subjected to sealing treatment, the diffusion groove (38) occupies more than two thirds of the area of the middle part of the a surface (41), the ventilation hole (39) arranged in a vase shape is larger towards one end opening of the B surface (42), is smaller towards one end opening of the a surface (41), the middle part of the ventilation hole (39) is arranged into a larger cavity, and the cavity position is close to the diffusion groove (38).
5. The electric power distribution cabinet according to claim 1, wherein the base stabilizing ring (15) is composed of a confluence ring a (48) and a confluence ring B (51), the confluence ring a (48) and the confluence ring B (51) are rotationally connected, a sealing isolation sleeve (49) is arranged at the joint for sealing treatment, the confluence ring a (48) is connected with the liquid outlet (28), a confluence pipe (52) is arranged on the confluence ring B (51), and the confluence pipe (52) is communicated with the cold air-liquid mechanism.
6. An electric power distribution cabinet according to claim 2, characterized in that the cold liquid tray (16) is provided with a hydraulic pressure detector (32), and the hydraulic pressure detector (32) is electrically connected with the liquid injection valve (31).
7. An electric power distribution cabinet according to claim 1, characterized in that the heat insulation box body (1) is formed by integrally pressing heat insulation materials, a heat insulation liquid pipe (13) is arranged in the box wall of the heat insulation box body (1), the heat insulation liquid pipe (13) is communicated with the cold air liquid mechanism, and an elastic sealing strip (12) is arranged at the joint of the heat insulation box body (1) and the installation cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144463.4A CN116207644B (en) | 2023-02-21 | 2023-02-21 | Electric power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144463.4A CN116207644B (en) | 2023-02-21 | 2023-02-21 | Electric power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN116207644A CN116207644A (en) | 2023-06-02 |
| CN116207644B true CN116207644B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310144463.4A Active CN116207644B (en) | 2023-02-21 | 2023-02-21 | Electric power distribution cabinet |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211266071U (en) * | 2020-02-20 | 2020-08-14 | 泰州市利飞电气设备有限公司 | Indoor high-low voltage power distribution cabinet with high temperature early warning function |
| CN212304281U (en) * | 2020-07-05 | 2021-01-05 | 江西恒科电气有限公司 | Water-cooled distribution equipment with good heat dissipation effect |
| KR102239545B1 (en) * | 2020-06-16 | 2021-04-12 | 허광식 | Switchboard For Buried type Constant Temperature Apparatus |
| CN113113856A (en) * | 2021-04-16 | 2021-07-13 | 广州垚淼科技有限公司 | Power equipment cooling system and power distribution cabinet with same |
| CN214850003U (en) * | 2021-06-29 | 2021-11-23 | 南京伟途电气设备有限公司 | Alternating-current voltage power distribution cabinet with good heat dissipation effect |
| CN216530114U (en) * | 2021-09-26 | 2022-05-13 | 山东泰汶盐化工有限责任公司 | Chemical industry is switch board for electricity convenient to heat dissipation |
-
2023
- 2023-02-21 CN CN202310144463.4A patent/CN116207644B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211266071U (en) * | 2020-02-20 | 2020-08-14 | 泰州市利飞电气设备有限公司 | Indoor high-low voltage power distribution cabinet with high temperature early warning function |
| KR102239545B1 (en) * | 2020-06-16 | 2021-04-12 | 허광식 | Switchboard For Buried type Constant Temperature Apparatus |
| CN212304281U (en) * | 2020-07-05 | 2021-01-05 | 江西恒科电气有限公司 | Water-cooled distribution equipment with good heat dissipation effect |
| CN113113856A (en) * | 2021-04-16 | 2021-07-13 | 广州垚淼科技有限公司 | Power equipment cooling system and power distribution cabinet with same |
| CN214850003U (en) * | 2021-06-29 | 2021-11-23 | 南京伟途电气设备有限公司 | Alternating-current voltage power distribution cabinet with good heat dissipation effect |
| CN216530114U (en) * | 2021-09-26 | 2022-05-13 | 山东泰汶盐化工有限责任公司 | Chemical industry is switch board for electricity convenient to heat dissipation |
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| Publication number | Publication date |
|---|---|
| CN116207644A (en) | 2023-06-02 |
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