CN110856429A

CN110856429A - Protection device for solar energy power conversion equipment

Info

Publication number: CN110856429A
Application number: CN201911196390.3A
Authority: CN
Inventors: 宗卫雄
Original assignee: SHENZHEN BICOSYN ENTERPRISES Co Ltd
Current assignee: SHENZHEN BICOSYN ENTERPRISES Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-02-28
Anticipated expiration: 2039-11-29
Also published as: CN110856429B

Abstract

The invention relates to the technical field of solar power equipment, in particular to a protection device for solar power conversion equipment, which solves the problems that in the prior art, an inverter has a poor heat dissipation effect, on one hand, the inverter shell is corroded due to rainwater erosion, and on the other hand, the inverter is possibly short-circuited due to rainwater, so that the service life of the inverter is influenced. The utility model provides a protection device that solar energy power conversion equipment was used, is two sets of air-out boards of symmetric distribution including the casing and the surface of locating the casing, and the bottom of casing is equipped with the stock solution shell, and the inside of stock solution shell is equipped with the stock solution region, is connected through the filter between stock solution shell and the casing. The invention can radiate the inside of the inverter through the cooling mechanism, has better radiating effect, can lift the shell through the switch mechanism and the lifting mechanism, protects the shell and the inverter and prolongs the service life of the inverter.

Description

Protection device for solar energy power conversion equipment

Technical Field

The invention relates to the technical field of solar power equipment, in particular to a protection device for solar power conversion equipment.

Background

Solar energy refers to the heat radiation energy of the sun, mainly represents the solar ray which is often called, and is generally used for generating electricity or providing energy for a water heater in modern times, and a solar power generation system consists of a solar battery pack, a solar controller, a storage battery and an inverter.

Inverters, also known as power regulators and power regulators, are an essential part of photovoltaic systems. The photovoltaic inverter mainly has the function of converting direct current generated by the solar panel into alternating current used by household appliances, and all electricity generated by the solar panel can be output externally only through the processing of the inverter.

However, the existing solar inverter is usually installed outdoors, the solar inverter uses an internal fan to perform air cooling heat dissipation when working, the heat dissipation effect is poor, electronic components inside the inverter are aged due to high temperature, the service life of the inverter is reduced, and when the solar inverter meets rainy weather, a large amount of rainfall can submerge the bottom of the inverter, on one hand, rainwater erosion can cause corrosion of an inverter shell, on the other hand, rainwater can cause short circuit of the inverter, and the use of the inverter is influenced.

Disclosure of Invention

The invention aims to provide a protection device for a solar power conversion device, which solves the problems that the existing solar inverter in the prior art is usually installed outdoors, the solar inverter uses an internal fan to perform air cooling heat dissipation when in work, the heat dissipation effect is poor, electronic elements in the inverter are aged due to high temperature, the service life of the inverter is shortened, and in rainy days, a large amount of rainfall submerges the bottom of the inverter, so that the inverter shell is corroded due to rain erosion, and the inverter is possibly short-circuited due to rain, so that the use of the inverter is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a protection device that solar energy power conversion equipment used, is two sets of play aerofoil of symmetric distribution including the casing and the surface of locating the casing, and the bottom of casing is equipped with the stock solution shell, and the inside of stock solution shell is equipped with the stock solution region, is connected through the filter between stock solution shell and the casing, and the inside of casing is equipped with cooling body, and the inside of casing is equipped with elevating system, and the inside of casing is equipped with operating mechanism.

Preferably, cooling body includes the cooling tube, and cooling tube fixed connection is in the inner wall of casing, and the both ends of cooling tube are equipped with the connecting pipe that is the symmetric distribution, and two connecting pipes all lead to pipe and the regional intercommunication of stock solution, and the water pump is installed to the tip that one of them water pipe is located the stock solution region.

Preferably, a fan is provided on one side of the cooling pipe and penetrates the housing.

Preferably, the cooling pipe is internally provided with internal teeth which are distributed in a central symmetry manner.

Preferably, the lifting mechanism comprises a lifting motor installed on the inner wall of the bottom of the shell, the free end of an output shaft of the lifting motor extends into the shell, a driving gear is fixedly connected with the free end of the output shaft of the lifting motor, a stud with one end penetrating through the shell is arranged in the liquid storage area, a driven gear meshed with the driving gear is arranged at the top of the stud, and a threaded sleeve fixedly connected with the inner wall of the bottom of the liquid storage shell is sleeved on the surface of the stud.

Preferably, the switch mechanism includes the dwang of being connected with the inner wall rotation of casing, the side of dwang is equipped with two bases that are the symmetric distribution, one side of every base all is equipped with two sheetmetals, two sheetmetals on every base all distribute towards the dwang direction, the inside in liquid storage area is equipped with the kickboard, the inside slide bar of casing is inserted to the top fixedly connected with one end of kickboard, the top of slide bar is equipped with the slider, shells inner wall's one end fixedly connected with lagging is kept away from to the dwang, the spout with slider matched with has been seted up to the inside of lagging.

Preferably, the filter is the slope form, the higher one end and the casing sliding connection of filter, the lower one end and the stock solution shell fixed connection of filter.

Preferably, the bottom of the shell is fixedly connected with a plurality of guide pillars, and the surface of each guide pillar is sleeved with a guide sleeve fixedly connected with the inner wall of the bottom of the liquid storage shell.

The invention has at least the following beneficial effects:

through the decline of casing, can also guarantee that the water pump is in the cooling always, guarantee that the normal use of cooling body does not have, electronic component heat dissipation to the casing inside through cooling body, for among the prior art, directly carry out the forced air cooling through the flabellum, the cooling effect is relatively poor, the reduction of inverter life-span, this scheme can dispel the heat to the inside of dc-to-ac converter through cooling body, the radiating effect is better, and, through switching mechanism and elevating system, control housing obtains going up and down, for among the prior art, direct fixed mounting is at the dc-to-ac converter on ground, the dc-to-ac converter receives flooding of rainwater, cause the dc-to-ac converter casing to cause the corruption, and faults such as short circuit of dc-to-ac converter, this scheme can rise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a side elevation view of the partial embodiment of FIG. 1;

fig. 4 is an enlarged view of the area a in fig. 3.

In the figure: 1. a housing; 2. an air outlet plate; 3. a liquid storage shell; 4. a filter plate; 5. a cooling mechanism; 50. a water pump; 51. a water pipe; 52. a connecting pipe; 53. a cooling tube; 54. a fan; 55. internal teeth; 6. a switch mechanism; 60. a floating plate; 61. a slide bar; 62. a slider; 63. sheathing; 64. a chute; 65. a base; 66. a metal sheet; 67. rotating the rod; 7. a lifting mechanism; 70. a lifting motor; 71. a driving gear; 72. a driven gear; 73. a stud; 74. a threaded sleeve; 75. a guide sleeve; 76. a guide post; 8. a liquid storage area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a protection device for a solar power conversion device, including a housing 1 and two sets of air outlet plates 2 symmetrically distributed on the surface of the housing 1, a liquid storage shell 3 is arranged at the bottom of the housing 1, a liquid storage area 8 is arranged inside the liquid storage shell 3, the liquid storage shell 3 is connected with the housing 1 through a filter 4, a cooling mechanism 5 for cooling the housing 1 is arranged inside the housing 1, a lifting mechanism 7 for preventing the housing 1 from water inlet is arranged inside the housing 1, and a switch mechanism 6 for controlling the lifting mechanism 7 to lift is arranged inside the housing 1.

Cooling body 5 includes cooling tube 53, cooling tube 53 fixed connection is in the inner wall of casing 1, cooling tube 53's both ends are equipped with the connecting pipe 52 that is the symmetric distribution, it is concrete, cooling tube 53 and connecting pipe 52 fixed connection, cooling tube 53 and the inside intercommunication of connecting pipe 52, two connecting pipes 52 all communicate with stock solution region 8 through water pipe 51, it is concrete, every water pipe 51 all runs through the bottom of shell, water pump 50 is installed to the tip that one of them water pipe 51 is located stock solution region 8, it is concrete, water pump 50 plays the effect of recirculated coolant liquid under the effect of external power source (not seen).

The lifting mechanism 7 comprises a lifting motor 70 installed on the inner wall of the bottom of the shell 1, specifically, the lifting motor 70 is electrically connected with an external power supply (not shown) through a switch mechanism 6, the free end of an output shaft of the lifting motor 70 extends into the shell 1, the specific lifting motor 70 is fixedly connected with the shell 1, the free end of the output shaft of the lifting motor 70 is fixedly connected with a driving gear 71, a stud 73 with one end penetrating through the shell 1 is arranged inside the liquid storage region 8, specifically, the stud 73 is rotatably connected with the shell 1, a driven gear 72 meshed with the driving gear 71 is arranged at the top of the stud 73, a threaded sleeve 74 fixedly connected with the inner wall of the bottom of the liquid storage shell 3 is sleeved on the surface of the stud 73, specifically, outer threads are arranged on the surface of the stud 73, inner threads matched with the threads are arranged inside the threaded sleeve 74, the stud 73 is in threaded connection with the threaded sleeve 74, and the stud 73.

The switch mechanism 6 comprises a rotating rod 67 rotatably connected with the inner wall of the shell 1, two symmetrically distributed bases 65 are arranged on the side surface of the rotating rod 67, two metal sheets 66 are arranged on one side of each base 65, specifically, the two metal sheets 66 are respectively connected with a positive electrode and a negative electrode of an external power supply (not shown), the two metal sheets 66 on the other opposite base 65 are reversely connected with the positive electrode and the negative electrode of the external power supply (not shown), the two metal sheets 66 on each base 65 are distributed towards the rotating rod 67, a floating plate 60 is arranged inside the liquid storage area 8, a sliding rod 61 with one end inserted into the shell 1 is fixedly connected with the top of the floating plate 60, specifically, the sliding rod 61 is slidably connected with the shell 1, a sliding block 62 is arranged on the top of the sliding rod 61, a sleeve plate 63 is fixedly connected with one end of the rotating rod 67 far away from the inner wall of the shell 1, a sliding groove 64 matched with, specifically, the sliding block 62 is fixedly connected with the sliding rod 61, and the sliding rod 61 is slidably connected with the sleeve plate 63 through the sliding block 62 and the sliding groove 64.

The scheme has the following working processes:

when the inverter is used, the water pump 50 is started, the water pump 50 absorbs the cooling liquid in the liquid storage shell 3, the cooling liquid enters the connecting pipe 52 along the water pipe 51, the cooling liquid in the connecting pipe 52 enters the cooling pipe 53 along the outlet of the connecting pipe 52, cold water exchanges heat with hot air in the inverter, the cooling water absorbs heat, the cooling water absorbing heat is discharged from the cooling pipe 53 on the other side and finally discharged into the liquid storage shell 3 from the water pipe 51, water flows enter the liquid storage area 8 to exchange heat with the ground, the temperature is reduced, and the cooling water is continuously recycled, however, the cooling liquid is consumed during use, excessive rainfall occurs in an external environment to form a water level to damage the inverter, rainwater enters the liquid storage area 8 along the filter plate 4, the liquid level in the liquid storage area 8 rises, at the moment, the floating plate 60 rises along the buoyancy of the liquid, and the floating plate 60 pushes the sliding rod 61 to rise, the slide block 62 on one side of the slide bar 61 slides in the slide groove 64 of the sleeve plate 63, the sleeve plate 63 pushes the rotating rod 67 to rotate, the rotating rod 67 is attached to the two metal sheets 66 on the top, the lifting motor 70 is powered on, the lifting motor 70 rotates in the forward direction, the lifting motor 70 drives the driving gear 71 to rotate, the driving gear 71 drives the driven gear 72 to rotate, the driven gear 72 drives the stud 73 to rotate, the stud 73 rises in the screw sleeve 74, the whole shell 1 rises, the slide bar 61 descends relative to the shell 1, the rotating rod 67 drives the metal sheets 66 to reset, the lifting motor 70 is powered off, the shell stops after rising, the shell 1 is separated from a water accumulation area, when the cooling liquid is consumed for a long time, the floating plate 60 descends, the floating plate 60 drives the slide bar 61 to descend, the slide bar 61 drives the slide block 62 to slide in the slide groove 64, the sleeve plate 63 drives the rotating rod 67, and then drive casing 1 and descend, guarantee that water pump 50 is in the coolant liquid all the time, and then guarantee whole cooling effect.

According to the working process, the following steps are known:

by the descending of the shell 1, the water pump 50 can be ensured to be always in cooling, the cooling mechanism 5 can be ensured to be normally used, compared with the prior art in which air cooling is directly carried out through fan blades, the cooling effect is poor and the service life of the inverter is reduced, the cooling mechanism 5 can be used for cooling the inside of the inverter, the cooling effect is good, the service life of the inverter is prolonged, moreover, the control shell 1 is lifted through the switch mechanism 6 and the lifting mechanism 7, compared with the prior art, the inverter directly fixed on the ground is submerged by rain water to cause corrosion of the inverter housing 1, and a fault such as short circuit of the inverter, the case 1 can be lifted by the switching mechanism 6 and the lifting mechanism 7, and the case 1 and the inverter can be protected.

Further, a fan 54 penetrating through the housing 1 is disposed on one side of the cooling tube 53, and specifically, the fan 54 is electrically connected to an external power source (not shown), and blows air on the surface of the cooling tube 53 to be discharged from the exhaust plate, thereby further reducing the temperature inside the inverter.

Further, its characterized in that, the inside of cooling tube 53 is equipped with the internal tooth 55 that is central symmetric distribution, and is concrete, the internal tooth 55 of cooling tube 53 inside promotes the area of contact of the inside coolant liquid of cooling tube 53 and cooling tube 53, and then increases the heat transfer effect of cooling tube 53, promotes the cooling effect of cooling tube 53, further reduces the inside temperature of inverter.

Further, filter 4 is the slope form, and the higher one end and the 1 sliding connection of casing of filter 4, the lower one end of

filter

4 and 3 fixed connection of stock solution shell, it is specific, filter 4 plays the effect of filtering ground rainwater, guarantees that the liquid of 3 inside of stock solution shells is in the clarification state, makes things convenient for the replenishment and the use of coolant liquid more.

Further, the bottom fixedly connected with a plurality of guide pillar 76 of casing 1, the surface of every guide pillar 76 all overlap be equipped with stock solution shell 3 bottom inner wall fixed connection's guide pin bushing 75, and is concrete, through the sliding connection of guide pillar 76 and guide pin bushing 75 between casing 1 and stock solution shell 3, promotes the stability that casing 1 rises, makes things convenient for casing 1's lift more.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a protection device that solar energy power conversion equipment was used, is two sets of play tuber plates (2) of symmetric distribution including casing (1) and the surface of locating casing (1), its characterized in that, the bottom of casing (1) is equipped with stock solution shell (3), the inside of stock solution shell (3) is equipped with stock solution region (8), be connected through filter (4) between stock solution shell (3) and casing (1), the inside of casing (1) is equipped with cooling body (5), the inside of casing (1) is equipped with elevating system (7), the inside of casing (1) is equipped with on-off mechanism (6).

2. The protection device for the solar energy-power conversion equipment is characterized in that the cooling mechanism (5) comprises a cooling pipe (53), the cooling pipe (53) is fixedly connected to the inner wall of the shell (1), two ends of the cooling pipe (53) are provided with connecting pipes (52) which are symmetrically distributed, the two connecting pipes (52) are communicated with the liquid storage area (8) through water pipes (51), and a water pump (50) is installed at the end part, located in the liquid storage area (8), of one water pipe (51).

3. A protection device for a solar-electric power conversion apparatus according to claim 2, wherein a fan (54) penetrating the casing (1) is provided on one side of the cooling pipe (53).

4. A protection device for a solar-electric conversion apparatus according to claim 2, characterized in that the inside of the cooling pipe (53) is provided with internal teeth (55) distributed in central symmetry.

5. The protection device for the solar energy-power conversion equipment according to claim 1, wherein the lifting mechanism (7) comprises a lifting motor (70) installed on the inner wall of the bottom of the shell (1), the free end of an output shaft of the lifting motor (70) extends to the inside of the shell (1), a driving gear (71) is fixedly connected to the free end of the output shaft of the lifting motor (70), a stud (73) with one end penetrating through the shell (1) is arranged inside the liquid storage area (8), a driven gear (72) meshed with the driving gear (71) is arranged at the top of the stud (73), and a threaded sleeve (74) fixedly connected with the inner wall of the bottom of the liquid storage shell (3) is sleeved on the surface of the stud (73).

6. A protection device for a solar-electric power conversion apparatus according to claim 1, the switch mechanism (6) comprises a rotating rod (67) which is rotationally connected with the inner wall of the shell (1), the side of dwang (67) is equipped with two bases (65) that are the symmetric distribution, every one side of base (65) all is equipped with two sheetmetals (66), every two sheetmetals (66) on base (65) all distribute towards dwang (67) direction, a floating plate (60) is arranged in the liquid storage area (8), the top of the floating plate (60) is fixedly connected with a sliding rod (61) with one end inserted into the shell (1), a sliding block (62) is arranged at the top of the sliding rod (61), a sleeve plate (63) is fixedly connected at one end of the rotating rod (67) far away from the inner wall of the shell (1), the interior of the sleeve plate (63) is provided with a sliding groove (64) matched with the sliding block (62).

7. A protection device for a solar-electric power conversion apparatus according to claim 1, wherein said filter plate (4) is inclined, the higher end of said filter plate (4) is slidably connected to said housing (1), and the lower end of said filter plate (4) is fixedly connected to said liquid storage case (3).

8. The protection device for the solar energy-power conversion equipment according to claim 1, characterized in that a plurality of guide posts (76) are fixedly connected to the bottom of the shell (1), and a guide sleeve (75) fixedly connected with the inner wall of the bottom of the liquid storage shell (3) is sleeved on the surface of each guide post (76).