Heat dissipation type switch board
Technical Field
The utility model belongs to the technical field of the switch board technique and specifically relates to a heat dissipation type switch board is related to.
Background
The electric cabinet is the final equipment of the power distribution system at present. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. The switch board is used for the open air more, and the switch board generally comprises the cabinet body, and the internal a plurality of electron device that are equipped with of cabinet.
The existing Chinese patent with publication number CN103855630A discloses a heat dissipation system of a power distribution cabinet, which comprises a cabinet body, wherein the whole cabinet body is of a hollow cuboid structure, and a circulating fan for circulating air in the cabinet body is arranged above a side plate of the cabinet body; the top of the cabinet body is also provided with a water-cooling heat dissipation system, and the water-cooling heat dissipation system specifically comprises a heat exchanger which is arranged at the top of the cabinet body and transfers the heat in the cabinet body to the outside of the cabinet body, wherein a cooling section of the heat exchanger is provided with a cold water coil pipe, and the cold water coil pipe is sequentially connected with a water return valve, a water tank, a cooling tower and a circulating water pump through pipelines and finally connected back to the cold water coil pipe of the heat exchanger to complete circulation; because the whole system adopts the circulating water and the heat exchanger which has no pollution to the environment, the heat dissipation efficiency is high, and the environmental benefit is high, thereby belonging to an energy-saving and environment-friendly mode.
The above prior art solutions have the following drawbacks: above-mentioned equipment can in time follow the switch board with the heat that electron device distributed out and emit, summer outdoor temperature is higher, when the switch board is in under the environment of higher temperature, the switch board easily takes place heat exchange with the external world, when the heat that gets into the switch board from the external world is more, can lead to the interior temperature rise of switch board.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a heat dissipation type switch board, this switch board can effectively reduce in external heat conduction goes into the switch board, has avoided in the switch board because of rising with external heat exchange temperature.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a heat dissipation type power distribution cabinet comprises a cabinet body and supporting legs, wherein the cabinet body is arranged at the upper ends of the supporting legs, one side of the cabinet body is hinged with a cabinet door, the cabinet body comprises a top plate, a side wall and a bottom plate at the upper end, a vacuum layer and a cooling layer are sequentially arranged on the outer side of the side wall from outside to inside, a first partition plate and a second partition plate are respectively arranged at the upper end and the lower end of the cabinet body, the cabinet body is sequentially divided into a cold air box, a function box and a heat dissipation box from top to bottom by the first partition plate and the second partition plate, a cooling box and a water box which are mutually communicated are sequentially arranged on one side of the cabinet body from top to bottom, a centrifugal pump is arranged on one side of the water box and communicated with the water box, a first cooling water pipe and a second cooling water pipe are respectively coiled in the cold air box and, the first cooling water pipe is communicated with the water tank, the heat dissipation holes are formed in the first partition plate, the second partition plate, the top plate and the bottom plate, at least one suction type fan is arranged in the cold air tank, at least one discharge type fan is arranged in the heat dissipation tank, the four corners of the upper end of the cabinet body are respectively provided with a support column, and the upper end of the support column is provided with a cabinet top.
By adopting the technical scheme, the cabinet body is arranged at the upper end of the supporting leg, the centrifugal pump can pump cooling water in the water tank into the first cooling water pipe and the second cooling water pipe, the suction type fan in the cold air box can blow air into the cabinet body, the upper end of the supporting column is provided with the cabinet top which can prevent rainwater from entering the cabinet body and does not influence the heat dissipation of the cabinet body, the air is blown into the cabinet body through the cooling of the first cooling water pipe, the cooling effect in the cabinet body is better, the exhaust type fan and the suction type fan are mutually matched, so that the air in the cabinet body is better ventilated, the heat dissipation effect is improved, the vacuum layer positioned at the outer side of the side wall can effectively prevent the heat exchange between the outside and the cabinet body, the second cooling water pipe is arranged in the cooling layer, the cooling layer can play a better cooling role in the power distribution cabinet, through setting up vacuum layer and cooling layer can effective degree reduce external heat and get into the cabinet internal, avoided the switch board in because of rising with external heat exchange temperature.
The present invention may be further configured in a preferred embodiment as: first condenser tube slope sets up in the air-cooler box, the below of the lower one end of first condenser tube is equipped with the horizontally collection box.
Through adopting above-mentioned technical scheme, first condenser tube is located function chamber upper end, and first condenser tube temperature is less than ambient temperature, and the surface easily produces the comdenstion water, and the comdenstion water instils into the function intracavity and can lead to dangerous the emergence, and first condenser tube slope sets up and the lower extreme sets up the water-collecting box, and the comdenstion water that first condenser tube produced can flow into in the water-collecting box along the first condenser tube of slope.
The present invention may be further configured in a preferred embodiment as: the water collecting box is provided with a water outlet which is communicated with a water discharge pipe, one end of the water discharge pipe, which is far away from the water collecting box, is communicated with the outside, and a first separation net matched with the water outlet in shape is arranged at the position of the water discharge pipe.
By adopting the technical scheme, the condensed water in the water collecting box can be discharged out of the water collecting box through the water outlet and the water discharging pipe, the phenomenon that the condensed water in the water collecting box is too much and overflows the water collecting box is avoided, and the first separation net can prevent dust from entering the cabinet body from the water outlet.
The present invention may be further configured in a preferred embodiment as: the lower end of the cooling layer is provided with a water outlet which is communicated with a water outlet pipe.
Through adopting above-mentioned technical scheme, the second condenser tube temperature in the cooling layer is less than ambient temperature, and the comdenstion water that the surface produced can't discharge the cooling layer, leads to the cooling layer to take place corrosion scheduling problem easily, sets up the delivery port and can effectively discharge the comdenstion water.
The present invention may be further configured in a preferred embodiment as: and a second separation net matched with the water outlet in shape is arranged at the water outlet.
Through adopting above-mentioned technical scheme, set up at the delivery port department and separate the net and can effectively prevent dust debris etc. to get into in the cooling layer.
The present invention may be further configured in a preferred embodiment as: a first dust-proof net is arranged between the top plate and the suction type fan, and a second dust-proof net is arranged between the bottom plate and the discharge type fan.
Through adopting above-mentioned technical scheme, set up first dust barrier net and second dust barrier net, can make the cabinet body keep good ventilation radiating effect simultaneously, can not have debris dust etc. to get into the internal portion of cabinet from the louvre.
The present invention may be further configured in a preferred embodiment as: the cooling box is characterized in that a first connecting frame matched with the first dust-separation net in shape is arranged in the cooling box, the first connecting frame and the first dust-separation net are detachably connected through bolts, a second connecting frame matched with the second dust-separation net in shape is arranged in the cooling box, and the second connecting frame and the second dust-separation net are detachably connected through bolts.
Through adopting above-mentioned technical scheme, first dust removal net can be dismantled with the second dust removal net, is convenient for wash and change first dust removal net and second dust removal net.
The present invention may be further configured in a preferred embodiment as: the water injection valve is characterized in that a water injection port is formed in the upper end of the water tank and communicated with a water injection pipe, and a water injection valve is communicated with one end, far away from the water tank, of the water injection pipe.
Through adopting above-mentioned technical scheme, open the water injection valve, accessible water injection pipe and water filling port add the cooling water in to the water tank.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the vacuum layer and the cooling layer are sequentially arranged on the side wall from outside to inside, the vacuum layer can effectively isolate the heat transferred from the outside to the inside of the cabinet body, and the second cooling water pipe in the cooling layer can cool the cabinet body, so that the heat dissipation effect of the cabinet body is further improved, and the temperature in the cabinet body is reduced;
2. through setting up the cabinet top, can prevent that the rainwater from getting into the cabinet internally from the louvre, and the cabinet top can avoid sunshine to the direct irradiation of cabinet body upper end.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation type power distribution cabinet;
FIG. 2 is a schematic structural diagram of a heat dissipation type power distribution cabinet according to an embodiment;
FIG. 3 is a schematic structural diagram of the cabinet body in the embodiment;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of portion B of FIG. 3;
fig. 6 is a schematic structural diagram of the water outlet pipe in the embodiment.
In the figure, 1, a cabinet body; 11. a top plate; 12. a side wall; 13. a base plate; 14. a support leg; 15. a cabinet door; 16. a vacuum layer; 17. a cooling layer; 2. a first partition plate; 21. a second partition plate; 22. a cold air box; 23. a function box; 24. a heat dissipation box; 3. a cooling tank; 31. a water tank; 32. a centrifugal pump; 33. a first cooling water pipe; 34. a second cooling water pipe; 4. a suction fan; 41. a discharge fan; 42. a support pillar; 43. a cabinet top; 44. a water collection box; 45. a drain pipe; 5. a water outlet pipe; 52. a first dust-proof net; 53. a second dust-proof net; 54. a first connection frame; 55. a second connection frame; 6. a water injection pipe; 7. a water injection valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 3, for the utility model discloses a heat dissipation type switch board, including the cabinet body 1, landing leg 14, thermal-insulated mechanism and heat dissipation mechanism. The landing leg 14 sets up at cabinet body 1 lower extreme, and one side of cabinet body 1 articulates there is cabinet door 15. The cabinet 1 includes a top plate 11, a side wall 12 and a bottom plate 13 at an upper end. The heat insulation mechanism is positioned at the outer side of the side wall 12, and the heat insulation mechanism can effectively isolate the heat transfer from the outside to the inside of the cabinet body 1. The heat dissipation mechanism can effectively dissipate heat generated in the power distribution cabinet.
Referring to fig. 2 and 3, the upper end and the lower end of the cabinet 1 are respectively provided with a first partition board 2 and a second partition board 21, and the first partition board 2 and the second partition board 21 divide the cabinet 1 into a cold air box 22, a function box 23 and a heat dissipation box 24 from top to bottom in sequence. The first partition plate 2, the second partition plate 21, the top plate 11 and the bottom plate 13 are all provided with heat dissipation holes. The functional compartment 23 is used for mounting electronic components therein. Four corners of the upper end of the cabinet body 1 are respectively provided with a support column 42, and the upper end of the support column 42 is provided with a cabinet top 43. The cabinet top 43 can prevent rainwater from flowing backward into the cabinet body 1 from the heat dissipation holes of the top plate 11, and the cabinet top 43 is connected with the cabinet body 1 through the support columns 42, so that heat dissipation of the cabinet body 1 cannot be influenced.
Referring to fig. 2, the heat dissipation mechanism includes a cold air box 22, a heat dissipation box 24 and a cooling layer 17 disposed outside the side wall 12, a first cooling water pipe 33 and a second cooling water pipe 34 are respectively coiled in the cold air box 22 and the cooling layer 17, and the first cooling water pipe 33 is communicated with the second cooling water pipe 34. Cooling water is introduced into the first cooling water pipe 33 and the second cooling water pipe 34, and the cooling water flows through the first cooling water pipe 33 and the second cooling water pipe 34 to take away heat in the cold air box 22 and the cooling layer 17.
Referring to fig. 2, two suction fans 4 are provided in the cold air box 22, and two discharge fans 41 are provided in the heat radiation box 24. First condenser tube 33 is located between suction fan 4 and the first division board 2, and suction fan 4 just is first condenser tube 33, can blow out cold wind and cool down in to the cabinet body 1. The exhaust fan 41 and the suction fan 4 are mutually matched, so that the air circulation in the cabinet body 1 is increased, and the heat dissipation effect on the inside of the function box 23 is improved.
Referring to fig. 2, a first dust-proof net 52 is provided between the top plate 11 and the suction fan 4, and a second dust-proof net 53 is provided between the bottom plate 13 and the discharge fan 41. The first dust-proof net 52 and the second dust-proof net 53 are provided to prevent dust, foreign matters and the like from entering the cabinet 1 to some extent.
Referring to fig. 4 and 5, a first connecting frame 54 matched with the first dust-proof net 52 in shape is arranged in the cold air box 22, the first connecting frame 54 is detachably connected with the first dust-proof net 52 through a bolt, a second connecting frame 55 matched with the second dust-proof net 53 in shape is arranged in the heat dissipation box 24, and the second connecting frame 55 is detachably connected with the second dust-proof net 53 through a bolt. The first dust-proof net 52 and the second dust-proof net 53 are easy to detach and convenient to clean or replace after being detached.
Referring to fig. 3 and 4, the first cooling water pipe 33 is obliquely disposed in the cooling air box 22, and a horizontal water collecting box 44 is disposed below a lower end of the first cooling water pipe 33. The condensed water condensed on the surface of the first cooling water pipe 33 may slide down into the sump case 44. A water outlet is arranged on one side of the water collecting box 44 and is communicated with a water discharging pipe 45, and one end of the water discharging pipe 45 far away from the water collecting box 44 is communicated with the outside. A drain pipe 45 is provided to drain the condensed water in the sump case 44. The drainage outlet is provided with a first separation net which is matched with the drainage outlet in shape and can prevent sundries from entering the water collecting box 44 through the drainage pipe 45 to a certain degree.
Referring to fig. 3 and 5, the lower end of the cooling layer 17 is provided with a water outlet which is communicated with a water outlet pipe 5. The cooling water generated by the second cooling water pipe 34 in the cooling layer 17 can be discharged from the water outlet through the water outlet pipe 5. A second separation net matched with the shape of the water outlet is arranged at the water outlet, the second separation net can prevent sundries and the like from entering the cooling layer 17,
referring to fig. 1 and 2, a cooling tank 3 and a water tank 31 which are communicated with each other are sequentially arranged on one side of a cabinet body 1 from top to bottom, a centrifugal pump 32 is arranged on one side of the water tank 31, the centrifugal pump 32 is communicated with the water tank 31, and a first cooling water pipe 33 is communicated with the water tank 31. The centrifugal pump 32 can pump the cooling water into the first cooling water pipe 33, the cooling water flows into the second cooling water pipe 34 from the first cooling water pipe 33 and then flows into the cooling tank 3 from the second cooling water pipe 34, the cooling tank 3 cools the cooling water, and the cooled cooling water flows into the water tank 31 again for the next round of circulation.
The upper end of the water tank 31 is provided with a water injection port which is communicated with a water injection pipe 6, and cooling water can be supplemented into the water tank 31 in time through the water injection pipe 6. One end of the water injection pipe 6, which is far away from the water tank 31, is communicated with a water injection valve 7, and the water injection valve 7 can be closed to seal the water injection pipe 6 after water injection is finished.
Referring to fig. 1 and 2, the heat insulation mechanism comprises a vacuum layer 16 arranged outside a cooling layer 17, and the vacuum layer 16 is arranged to effectively isolate heat transfer between the outside and the power distribution cabinet, so that heat conducted from the outside is reduced.
The implementation principle of the embodiment is as follows: and starting the centrifugal pump 32, pumping the cooling water in the water tank 31 into the first cooling pipe and the second cooling pipe by the centrifugal pump 32, and simultaneously starting the suction type fan 4 and the discharge type fan 41 to ventilate and cool the inside of the cabinet body 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.