CN216958904U - Power electrical power distribution cabinet for photovoltaic power station - Google Patents
Power electrical power distribution cabinet for photovoltaic power station Download PDFInfo
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- CN216958904U CN216958904U CN202220428076.4U CN202220428076U CN216958904U CN 216958904 U CN216958904 U CN 216958904U CN 202220428076 U CN202220428076 U CN 202220428076U CN 216958904 U CN216958904 U CN 216958904U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a power electrical power distribution cabinet for a photovoltaic power station, and particularly relates to the technical field of power distribution cabinets. The device effectively solves the problem that a dehumidification mechanism is not arranged inside the existing power distribution cabinet, the purpose of dehumidifying the inside of the power distribution cabinet is achieved by ventilating and dehumidifying the entering gas, and compared with the mode of directly inputting high-temperature gas into the power distribution cabinet, the mode has higher safety, internal electrical equipment can be scrapped due to high temperature, and the work load of the heat dissipation mechanism is also increased; in addition, the heat dissipation mechanism is started from the inside and the outside, the control circuit board is cooled by the aid of the condensation pipes and the heat dissipation fins respectively, dust or moisture can not enter the power distribution cabinet body during heat dissipation, and accordingly normal use of the power distribution cabinet is not affected.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a power electric power distribution cabinet for a photovoltaic power station.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). 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. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
At present, current switch board lacks dehumidification mechanism, can't in time detach the moisture, is difficult to ensure that the circuit can not be because the moisture breaks down, and, the radiating efficiency is also not high, is CN 106953258A's a power electrical switch board body that has the heat dissipation function according to the patent number that chinese patent network disclosed, and this patent discloses a power electrical switch board body with the heat dissipation function, including power electrical switch board body, the inside of power electrical switch board body is equipped with the inner shell, the bottom of power electrical switch board body is equipped with mounting plate, mounting plate sentence both ends all with the medial surface fixed connection of inner shell. The cooling fan is operated to generate cold air, the cold air enters the power distribution room through the action of the connecting air pipe to perform heat dissipation treatment on instruments and equipment in the power distribution room, and cooling water takes away heat in the power distribution room in the flowing process of cooling and heat dissipation to realize heat dissipation treatment on the power distribution room, so that the heat in the power distribution room is conveniently discharged to the body of the power distribution cabinet through the action of the heat dissipation port by the cooling fan, the advantage of heat dissipation function is achieved, and the problem that instruments in the power distribution cabinet are easily damaged due to poor heat dissipation effect of the existing power distribution cabinet is effectively solved; however, the problem still exists in the patent, and when the heat dissipation is carried out, the outside wind gets into the switch board body, not only brings the dust easily, but also brings moist gas easily, influences inside electrical equipment, leads to circuit fault.
Therefore, it is highly desirable to provide a power electrical distribution cabinet for photovoltaic power stations.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, embodiments of the present invention provide an electrical power distribution cabinet for a photovoltaic power plant, so as to solve the problems of the background art that the dehumidification mechanism is lacked, heat dissipation is performed, and dust and moisture are brought at the same time.
In order to solve the technical problems, the utility model provides the following technical scheme: a power electric power distribution cabinet for a photovoltaic power station comprises a distribution cabinet body, wherein a control circuit board is arranged in the distribution cabinet body, a cabinet door is rotatably installed on the inner wall of the distribution cabinet body, an air suction pump is fixedly installed on one side of the distribution cabinet body, an air outlet pipe is fixedly sleeved on one side of the air suction pump, one end of the air outlet pipe penetrates through the distribution cabinet body, and a dehumidification mechanism is arranged on one side of the distribution cabinet body;
dehumidification mechanism is including the dehumidification case, the inner wall fixed mounting of dehumidification case has the baffle, one side that the inside of dehumidification case is located the baffle is provided with the drying-machine, one side fixed mounting of drying-machine has heating pipeline, the bottom fixed mounting of dehumidification case has first intake pipe, the opposite side fixed mounting of dehumidification case has the second intake pipe, the one end of second intake pipe extends to the inside of switch board body, the bottom surface of dehumidification incasement chamber is provided with the header tank, the top surface fixed mounting of dehumidification incasement chamber has the board that condenses, the bottom fixed mounting of the board that condenses has the fender liquid board.
Preferably, the condensate plate is the slope and arranges, heating pipeline's one end fixed mounting has jet hood, the inside of switch board body is provided with humidity transducer.
Preferably, the inner wall of water collection tank is provided with level sensor, the bottom fixed mounting of water collection tank has the drain pipe, the inner wall of drain pipe one end is close to water collection tank department and is provided with the solenoid valve.
Preferably, the outside of switch board body is provided with holds the liquid case, the top of holding the liquid case is provided with the fluid infusion pipe, the outside fixed mounting of switch board body has the backup pad, the top surface demountable installation of backup pad has cooling water pump, cooling water pump's one end fixed termination has first water pipe, cooling water pump's other end fixed termination has the second water pipe, the one end intercommunication of second water pipe has perpendicular pipe, one side intercommunication of perpendicular pipe has cooling water pipe, cooling water pipe's one end demountable installation has the atomizing to spout the cover, the inner wall fixed mounting of switch board body has radiating fin, the quantity that the cover was spouted in the atomizing is a plurality of, and all is close to radiating fin, radiating fin's one side and the mutual butt of control circuit board.
Preferably, the outside slidable mounting of switch board body has waterproof safety cover, the inner wall slidable mounting that waterproof safety cover is close to the bottom has the water receiving board.
Preferably, radiating fin's one side laminating is connected with the condenser pipe, the outer wall and the mutual butt of control circuit board of condenser pipe, the bottom of switch board body inner chamber is provided with circulating water pump, the fixed inlet tube that has cup jointed in one side of circulating water pump, the fixed outlet pipe that has cup jointed of circulating water pump's opposite side, the one end of outlet pipe and the one end of condenser pipe communicate each other, the other end intercommunication of condenser pipe has the back flow, the back flow all extends to the inside that holds the liquid case with the inlet tube.
Preferably, the outside fixed mounting of switch board body has operating panel, operating panel's one end electric connection has the controller, liquid level sensor, solenoid valve, drying-machine, cooling water pump and circulating water pump all with the controller between electric connection.
The technical scheme of the utility model has the following beneficial effects:
according to the scheme, the dehumidifying mechanism is arranged, when dehumidification is needed, the humidity sensor detects that the humidity inside the power distribution cabinet body is high, the air suction pump can be started through the operation panel, air exchange is started, the dryer can be started before air exchange is started, the dryer can heat air inside the left cavity, the air inside the cavity is ensured to be dry air, then the air suction pump is started, due to the atmospheric pressure factor, outside air enters the dehumidifying box through the first air inlet pipe and also starts to be heated, the originally dry air enters the power distribution cabinet body, and the dryer starts to be closed until the humidity inside the power distribution cabinet body reaches a normal value, so that the purposes of air exchange and dehumidification are achieved, and the efficiency is high;
in the scheme, in order to improve the drying efficiency, the water condensation plate is arranged, gas is atomized and rises, the water condensation plate starts to liquefy after being touched, and starts to slide downwards under the influence of gravity and flows into the water collection tank along the liquid baffle plate, the liquid level sensor is arranged in the water collection tank, and when the liquid level reaches a specified value, the controller starts the electromagnetic valve to discharge water in the water collection tank so as to avoid re-atomization of water;
in the scheme, in order to dissipate heat inside, the control circuit board can be contacted and conducted by the condenser pipe to take away heat, and the circulating water pump can be arranged to use water circulation to repeatedly cool and dissipate heat, so that water is saved; the other side of the control circuit board is provided with the radiating fins, and the radiating fins are cooled by spraying cooling liquid, so that the heat conduction rate of the radiating fins is increased, and the radiating efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the dehumidifying mechanism according to the present invention;
FIG. 4 is a schematic view of the internal structure of the dehumidifying mechanism according to the present invention;
FIG. 5 is a schematic overall external structure diagram of a second embodiment of the present invention;
FIG. 6 is a schematic view of an internal structure of a waterproof protective cover according to a second embodiment of the present invention;
FIG. 7 is a schematic view of a secondary condenser structure according to an embodiment of the present invention;
fig. 8 is a signal transmission block diagram of the present invention.
[ reference numerals ]
1. A power distribution cabinet body; 2. a cabinet door; 3. an air pump; 4. a dehumidification mechanism; 5. a first intake pipe; 6. a second intake pipe; 7. an air outlet pipe; 8. a liquid storage tank; 9. a cooling water pump; 10. a first water pipe; 11. a second water pipe; 12. a vertical tube; 13. a waterproof protective cover; 14. a water receiving plate; 15. a heat dissipating fin; 16. a cooling water pipe; 17. atomizing and spraying the cover; 18. a water circulating pump; 19. a water inlet pipe; 20. a water outlet pipe; 21. a condenser tube; 22. a return pipe; 23. an operation panel; 24. a controller; 25. an electromagnetic valve; 26. a liquid level sensor; 41. a dehumidification box; 42. a partition plate; 43. a dryer; 44. heating the pipeline; 45. a water collection tank; 46. a water condensation plate; 47. a liquid baffle; 48. a drain pipe; 49. and (4) an air injection cover.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments, the description of which is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example one
As shown in fig. 1-4 and 8, an embodiment of the utility model provides a power electrical distribution cabinet for a photovoltaic power station, which includes a distribution cabinet body 1, a control circuit board is arranged inside the distribution cabinet body 1, a cabinet door 2 is rotatably mounted on the inner wall of the distribution cabinet body 1, an air pump 3 is fixedly mounted on one side of the distribution cabinet body 1, an air outlet pipe 7 is fixedly sleeved on one side of the air pump 3, one end of the air outlet pipe 7 penetrates through the distribution cabinet body 1, and a dehumidification mechanism 4 is arranged on one side of the distribution cabinet body 1;
Wherein, congeal water board 46 and be the slope and arrange, the one end fixed mounting of heating tube 44 has jet-propelled cover 49, and the inside of switch board body 1 is provided with humidity transducer.
Specifically, the inclined arrangement of the water condensation plate 46 facilitates the downward sliding of the liquid beads.
Specifically, humidity transducer and controller 24 electric connection, one side of operating panel still is provided with electronic display screen, but electronic display screen shows humidity transducer and level sensor 26's numerical value.
Specifically, when needs dehumidify, humidity transducer perceives the inside humidity of switch board body to be high on the left side, so accessible operating panel 23 starts aspiration pump 3, begin to take a breath, before beginning to take a breath, drying-machine 43 can be opened, drying-machine 43 can heat left cavity inside gas, ensure that this cavity inside gas is dry gas, restart aspiration pump 3 again afterwards, because atmospheric pressure factor, outside gas gets into inside dehumidification case 41 through first intake pipe 5, also begin to be heated, and originally dry gas gets into inside switch board body 1, so on, until switch board body 1 inside humidity reaches the normal value, begin to close aspiration pump 3 and drying-machine, thereby realize the mesh of taking a breath and dehumidifying, high efficiency.
Specifically, a sealing valve is arranged inside the first air inlet pipe 5, the outer wall of the sealing valve is connected with a rotating shaft, the rotating shaft extends to the outside of the first air inlet pipe 5, the sealing effect can be realized, and when ventilation is started, the sealing valve can be opened.
Specifically, the inner wall of the second air inlet pipe 6 is provided with a dust filter screen.
Wherein, the inner wall of the water collecting tank 45 is provided with a liquid level sensor 26, the bottom of the water collecting tank 45 is fixedly provided with a drain pipe 48, and the inner wall of one end of the drain pipe 48 close to the water collecting tank 45 is provided with an electromagnetic valve 25.
Specifically, in order to improve drying efficiency, set up and congeal water board 46, gaseous atomizing that is heated rises, the touching is to congealing water board 46 after, begin the liquefaction, and influenced by gravity, begin the gliding, flow to header tank 45 inside along liquid baffle 47, header tank 45 is inside to be provided with level sensor 26, when the liquid level reachs the regulation numerical value, solenoid valve 25 will be opened to the controller, with the inside water discharge of header tank 45, with the moisture atomizes again, reduce drying efficiency.
Example two
As shown in fig. 1 to 8, the second embodiment is different from the first embodiment in that: the liquid storage box 8 is arranged on the outer side of the power distribution cabinet body 1, a liquid supplementing pipe is arranged at the top of the liquid storage box 8, a supporting plate is fixedly installed on the outer side of the power distribution cabinet body 1, a cooling water pump 9 is detachably installed on the top surface of the supporting plate, a first water pipe 10 is fixedly sleeved at one end of the cooling water pump 9, a second water pipe 11 is fixedly sleeved at the other end of the cooling water pump 9, a vertical pipe 12 is communicated with one end of the second water pipe 11, a cooling water pipe 16 is communicated with one side of the vertical pipe 12, an atomizing spray cover 17 is detachably installed at one end of the cooling water pipe 16, heat dissipation fins 15 are fixedly installed on the inner wall of the power distribution cabinet body 1, the number of the atomizing spray covers 17 is multiple, the atomizing spray covers are all close to the heat dissipation fins 15, and one side of each heat dissipation fin 15 is abutted to a control circuit board; the outside slidable mounting of switch board body 1 has waterproof safety cover 13, and the inner wall slidable mounting that waterproof safety cover 13 is close to the bottom has water receiving plate 14.
Specifically, the circulating water pump 18 is started, the circulating water pump 18 conveys the cooling liquid to the condensation pipe 21 through the water inlet pipe 19 and the water outlet pipe 20, and the cooling liquid starts to take away the heat on the surface of the control circuit board, so that the purpose of heat dissipation is achieved.
Wherein, radiating fin 15's one side laminating is connected with condenser pipe 21, the outer wall and the mutual butt of control circuit board of condenser pipe 21, the bottom of the 1 inner chamber of switch board body is provided with circulating water pump 18, inlet tube 19 has been fixed to have cup jointed in one side of circulating water pump 18, outlet pipe 20 has been fixed to have cup jointed in circulating water pump 18's opposite side, the one end of outlet pipe 20 and condenser pipe 21's one end communicate each other, condenser pipe 21's other end intercommunication has back flow 22, back flow 22 all extends to the inside that holds liquid case 8 with inlet tube 19.
Specifically, in order to improve the radiating efficiency, still open cooling water pump 9 simultaneously, cooling water pump 9 starts the back, and the coolant liquid is successively through first water pipe, second water pipe, vertical pipe and condenser tube, utilizes atomizing spray cover to atomize the coolant liquid at last, sprays on fin 15, cools down fin 15 to accelerate fin 15's heat conduction rate, cooperate circulating water pump 18 to cool down control circuit board.
Wherein, the outside fixed mounting of switch board body 1 has operating panel 23, and operating panel 23's one end electric connection has controller 24, and level sensor 26, solenoid valve 25, drying-machine 43, cooling water pump 9 and circulating water pump 18 all with controller 24 between electric connection.
The working process of the utility model is as follows:
this scheme, when needs dehumidify, humidity transducer perceives the inside humidity of switch board body to be high on the left side, event accessible operating panel 23 starts aspiration pump 3, begin to take a breath, before beginning to take a breath, drying-machine 43 can be opened, drying-machine 43 can heat left cavity inside gas, ensure that this cavity inside gas is dry gas, restart aspiration pump 3 again after that, because atmospheric pressure factor, outside gas gets into inside dehumidification case 41 through first intake pipe 5, also begin to be heated, and originally dry gas gets into inside switch board body 1, so on, reach the normal value until the inside humidity of switch board body 1, begin to close aspiration pump 3 and drying-machine, thereby realize the mesh of taking a breath and dehumidifying, high efficiency.
This scheme, start circulating water pump 18, circulating water pump 18 will carry the coolant liquid toward condenser pipe 21 through inlet tube 19 and outlet pipe 20, the heat on control circuit board surface is started to take away to the coolant liquid, reach radiating purpose, meanwhile, still open cooling water pump 9, cooling water pump 9 starts the back, the coolant liquid is successively through first water pipe, the second water pipe, vertical pipe and condenser tube, utilize the atomizing to spout the cover at last and atomize the coolant liquid, spray on fin 15, cool down fin 15, thereby accelerate fin 15's heat conduction rate, cooperation circulating water pump 18 cools down to control circuit board.
The device effectively solves the problem that a dehumidification mechanism is not arranged inside the existing power distribution cabinet, the purpose of dehumidifying the inside of the power distribution cabinet is achieved by ventilating and dehumidifying the entering gas, and compared with the mode of directly inputting high-temperature gas into the power distribution cabinet, the mode has higher safety, internal electrical equipment can be scrapped due to high temperature, and the work load of the heat dissipation mechanism is also increased; in addition, the heat dissipation mechanism is started from the inside and the outside, the control circuit board is cooled by the aid of the condensation pipes and the heat dissipation fins respectively, dust or moisture can not enter the power distribution cabinet body when heat is dissipated, normal use of the power distribution cabinet is not affected, and the heat dissipation mechanism is powerful in function and worthy of popularization.
Claims (7)
1. The power electrical power distribution cabinet for the photovoltaic power station comprises a power distribution cabinet body (1), wherein a control circuit board is arranged inside the power distribution cabinet body (1), and a cabinet door (2) is rotatably installed on the inner wall of the power distribution cabinet body (1), and is characterized in that an air suction pump (3) is fixedly installed on one side of the power distribution cabinet body (1), an air outlet pipe (7) is fixedly sleeved on one side of the air suction pump (3), one end of the air outlet pipe (7) penetrates through the power distribution cabinet body (1), and a dehumidifying mechanism (4) is arranged on one side of the power distribution cabinet body (1);
dehumidification mechanism (4) are including dehumidification case (41), the inner wall fixed mounting of dehumidification case (41) has baffle (42), one side that the inside of dehumidification case (41) is located baffle (42) is provided with drying-machine (43), one side fixed mounting of drying-machine (43) has heated tube (44), the bottom fixed mounting of dehumidification case (41) has first intake pipe (5), the opposite side fixed mounting of dehumidification case (41) has second intake pipe (6), the one end of second intake pipe (6) extends to the inside of switch board body (1), the bottom surface of dehumidification case (41) inner chamber is provided with header tank (45), the top surface fixed mounting of dehumidification case (41) inner chamber has water condensing plate (46), the bottom fixed mounting of water condensing plate (46) has liquid baffle (47).
2. The power electric distribution cabinet for photovoltaic power stations according to claim 1, characterized in that the water condensation plate (46) is arranged in an inclined manner, an air injection cover (49) is fixedly installed at one end of the heating pipeline (44), and a humidity sensor is arranged inside the cabinet body (1).
3. The power and electric power distribution cabinet for the photovoltaic power station as recited in claim 2, wherein the inner wall of the water collection tank (45) is provided with a liquid level sensor (26), the bottom of the water collection tank (45) is fixedly provided with a drain pipe (48), and the inner wall of one end of the drain pipe (48) close to the water collection tank (45) is provided with a solenoid valve (25).
4. The power and electric power distribution cabinet for the photovoltaic power station as recited in claim 3, wherein a liquid storage tank (8) is disposed on the outer side of the power distribution cabinet body (1), a liquid replenishing pipe is disposed on the top of the liquid storage tank (8), a support plate is fixedly mounted on the outer side of the power distribution cabinet body (1), a cooling water pump (9) is detachably mounted on the top surface of the support plate, a first water pipe (10) is fixedly sleeved on one end of the cooling water pump (9), a second water pipe (11) is fixedly sleeved on the other end of the cooling water pump (9), a vertical pipe (12) is communicated with one end of the second water pipe (11), a cooling water pipe (16) is communicated with one side of the vertical pipe (12), an atomizing spray cover (17) is detachably mounted on one end of the cooling water pipe (16), and heat dissipating fins (15) are fixedly mounted on the inner wall of the power distribution cabinet body (1), the quantity of atomizing spray cover (17) is a plurality of, and all is close to radiating fin (15), one side and the mutual butt of control circuit board of radiating fin (15).
5. The power and electric power distribution cabinet for the photovoltaic power station as recited in claim 4, characterized in that a waterproof protective cover (13) is slidably mounted on the outer side of the cabinet body (1), and a water receiving plate (14) is slidably mounted on the inner wall of the waterproof protective cover (13) close to the bottom.
6. The power and electrical distribution cabinet for the photovoltaic power station as recited in claim 5, wherein a condensation pipe (21) is attached to one side of the heat dissipation fin (15), the outer wall of the condensation pipe (21) abuts against the control circuit board, a circulating water pump (18) is disposed at the bottom of the inner cavity of the cabinet body (1), a water inlet pipe (19) is fixedly connected to one side of the circulating water pump (18), a water outlet pipe (20) is fixedly connected to the other side of the circulating water pump (18), one end of the water outlet pipe (20) is communicated with one end of the condensation pipe (21), the other end of the condensation pipe (21) is communicated with a return pipe (22), and the return pipe (22) and the water inlet pipe (19) both extend into the liquid storage tank (8).
7. The power and electric power distribution cabinet for the photovoltaic power station as recited in claim 6, wherein an operation panel (23) is fixedly installed on the outer side of the cabinet body (1), a controller (24) is electrically connected to one end of the operation panel (23), and the liquid level sensor (26), the electromagnetic valve (25), the dryer (43), the cooling water pump (9) and the circulating water pump (18) are electrically connected to the controller (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220428076.4U CN216958904U (en) | 2022-03-01 | 2022-03-01 | Power electrical power distribution cabinet for photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220428076.4U CN216958904U (en) | 2022-03-01 | 2022-03-01 | Power electrical power distribution cabinet for photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958904U true CN216958904U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220428076.4U Active CN216958904U (en) | 2022-03-01 | 2022-03-01 | Power electrical power distribution cabinet for photovoltaic power station |
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| Country | Link |
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| CN (1) | CN216958904U (en) |
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2022
- 2022-03-01 CN CN202220428076.4U patent/CN216958904U/en active Active
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