CN209844234U - Automatic dehumidification system of looped netowrk cabinet - Google Patents
Automatic dehumidification system of looped netowrk cabinet Download PDFInfo
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- CN209844234U CN209844234U CN201920878999.8U CN201920878999U CN209844234U CN 209844234 U CN209844234 U CN 209844234U CN 201920878999 U CN201920878999 U CN 201920878999U CN 209844234 U CN209844234 U CN 209844234U
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Abstract
The utility model relates to an automatic dehumidification system of looped netowrk cabinet, including solar photovoltaic board, surge protector, direct current breaker, solar controller, battery, dehumidification induction control unit, dehumidification condensation unit, solar photovoltaic board passes through surge protector and is connected with ground, is connected with solar controller through direct current breaker, and solar controller is connected with the battery, and dehumidification induction control unit is connected with dehumidification condensation unit, constitutes dehydrating unit jointly, the utility model discloses a humidity in the dehumidification induction control unit real-time detection cabinet to according to the break-make of humidity signal control dehumidification condensation unit, make the interior humidity control of cabinet at the best humidity environmental scope of electrical equipment, can ensure insulating apparatus safe operation steadily for a long time. Compared with the prior art, the utility model has the advantages of with low costs, it is effectual to dehumidify, and the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of dehumidification equipment technique and specifically relates to an automatic dehumidification system of looped netowrk cabinet is related to.
Background
In the operation process of the ring main unit, because the relative humidity of the environment is large, when the temperature is reduced to the condensation point of water, water vapor in the air is easy to form water drops when meeting cold, and the water drops are attached to the surface of the electrical equipment, so that the resistance of the insulating material is reduced, the insulating property of the electrical equipment is reduced, the temperature rise of the electrical equipment is too high, or flashover occurs, the service life of the equipment is shortened, and even the equipment is directly damaged or the ring main unit is damaged, so that great property loss is caused. This not only increases the maintenance cost, but also affects the safe operation of the power system in which the electrical equipment is located. Therefore, the important problem that needs to be solved urgently is that the humidity of the ring main unit is kept within an allowable range by monitoring the humidity of the ring main unit and additionally installing the dehumidification system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic dehumidification system of looped netowrk cabinet in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an automatic dehumidification system of looped netowrk cabinet, this system locate on the box that is used for holding the looped netowrk cabinet, this system is including setting up the solar photovoltaic board at box top and locating surge protector, direct current circuit breaker, energy supply and energy storage unit and dehydrating unit in the box, the solar photovoltaic board pass through surge protector and ground and be connected to be connected with energy storage unit through direct current circuit breaker, dehydrating unit be connected with energy supply and energy storage unit, dehydrating unit set up in looped netowrk cabinet department, dehydrating unit include dehumidification induction control unit and the dehumidification condensing unit of being connected with dehumidification induction control unit, dehumidification induction control unit set up in looped netowrk cabinet, dehumidification condensing unit set up outside looped netowrk cabinet to set up on the inner wall of box, dehumidification condensing unit include the semiconductor refrigeration piece that is connected respectively with dehumidification induction control unit, The semiconductor refrigeration piece is connected with the liquid collector, the liquid collector is connected with the condensed water guide pipe, and a condensed water outlet of the condensed water guide pipe is connected to the outside of the ring main unit through the guide pipe.
Preferably, the dehumidification condensing unit still include the casing, the front side of casing be equipped with the air intake, the top of casing be equipped with the air outlet, liquid trap, comdenstion water pipe locate the casing bottom, the one end and the liquid trap of comdenstion water pipe be connected, outside the condensation delivery port of the other end is received the looped netowrk cabinet through the pipe, the casing in be equipped with the fin.
Preferably, the semiconductor refrigeration piece is arranged in the shell, the fan is arranged on the side wall of the semiconductor refrigeration piece, and the semiconductor refrigeration piece and the fan are located on the same horizontal plane.
Preferably, the dehumidification induction control unit comprises a humidity sensor, a temperature sensor and a control unit, and the humidity sensor and the temperature sensor are respectively connected with the control unit.
Preferably, energy supply and energy storage unit include solar control ware and battery, the solar photovoltaic board pass through direct current circuit breaker and be connected with the solar control ware, the solar control ware be connected with the battery.
Preferably, the control unit is a single chip microcomputer.
Preferably, the single chip microcomputer adopts an AT89S52 microcontroller.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model can detect the humidity in the cabinet in real time, and control the dehumidification condensing unit to work according to the humidity signal, so that the humidity in the ring main unit is reduced to the allowable humidity range, and the safe operation of the equipment is ensured;
(2) the utility model charges the storage battery and supplies power to the whole system through the solar photovoltaic panel, when the solar power supply is insufficient, the solar controller automatically switches to the storage battery power supply, so as to ensure the long-time power supply of the system, and is suitable for the ring main unit dehumidification field lacking the low-voltage power supply system;
(3) the utility model has the advantages of simple structure, convenient operation, detachability is strong, can use manpower sparingly material resources cost and cost of maintenance.
Drawings
Fig. 1 is an installation schematic diagram of the automatic dehumidification system of the ring main unit of the present invention;
fig. 2 is a schematic structural view of an automatic dehumidification system of a ring main unit according to the present invention;
fig. 3 is a schematic structural diagram of a dehumidifying condensing unit in the automatic dehumidifying system of the ring main unit according to the present invention;
the reference numbers in the figures indicate:
1. solar photovoltaic board, 2, surge protector, 3, direct current breaker, 4, solar control ware, 5, battery, 6, dehumidification sensing control unit, 7, dehumidification condensing unit, 71, casing, 72, semiconductor refrigeration piece, 73, air intake, 74, fin, 75, air outlet, 76, fan, 77, comdenstion water pipe, 78, liquid trap, 8, looped netowrk cabinet, 9, box, 10, chamber door.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model relates to an automatic dehumidification system of looped netowrk cabinet, this system set up on the box 9 that is used for holding looped netowrk cabinet 8, the utility model discloses the system includes solar photovoltaic board 1, surge protector 2, direct current breaker 3, solar control ware 4, battery 5 and dehydrating unit. The solar photovoltaic panel 1 is arranged at the top of the box body 9, and the dehumidifying device, the surge protector 2, the direct current breaker 3, the solar controller 4 and the storage battery 5 are arranged in the box body 9. The dehumidifying device is arranged at the ring main unit 8.
The solar photovoltaic panel 1 is connected with the ground through a surge protector 2 and is connected with a solar controller 4 through a direct current breaker 3; the solar controller 4 is connected with the storage battery 5 to form an energy supply and storage unit, and has a protection function through the direct current breaker 3 and the surge protector 2. The dehumidifying device is connected with the energy supply and storage unit.
The dehumidifying device comprises a dehumidifying induction control unit 6 and a dehumidifying condensing unit 7 which are connected with each other. The dehumidification sensing control unit 6 senses the environment humidity in real time, controls the working state of the dehumidification condensing unit 7 according to the humidity signal, controls the internal humidity of the ring main unit 8, and prevents the ring main unit 8 electrical equipment from being damped.
The dehumidification sensing control unit 6 is arranged in the ring main unit 8, the dehumidification sensing control unit 6 comprises a humidity sensor, a temperature sensor and a single chip microcomputer, the humidity sensor and the temperature sensor transmit humidity and temperature signals to the single chip microcomputer, and the single chip microcomputer preferably selects an AT89S52 microcontroller.
The dehumidifying and condensing unit 7 is arranged outside the ring main unit 8 and on the inner wall of the box body 9, and the dehumidifying and condensing unit 7 comprises a shell 71, a semiconductor refrigeration sheet 72, a fan 76, a heat radiating sheet 74 and a condensed water guide pipe 77. An air inlet 73 is arranged right in front of the shell 71, an air outlet 75 is arranged above the shell 71, and a condensed water conduit 77 is arranged at the bottom of the shell 71. A heat radiating fin 74 and a semiconductor refrigerating sheet 72 are arranged in the shell 71, and a fan 76 is arranged on the side surface of the semiconductor refrigerating sheet 72; the semiconductor cooling fins 72 and the fan 76 are located on the same horizontal plane. The semiconductor refrigerating sheet 72 and the fan 76 are fixed in the shell 71 through a bracket; a liquid collector 78 is arranged below the semiconductor refrigeration sheet 72, the bottom of the liquid collector 78 is connected with a condensed water conduit 77, and a condensed water outlet of the condensed water conduit 77 is connected to the outside of the ring main unit 8 through a conduit.
The utility model discloses a for optimizing the cooperation between 1 energy supply of solar photovoltaic board, 5 energy storage capacity of battery, the dehydrating unit power. According to the selection of an allowable range, such as a range requirement of 45-60%, of the humidity in a working environment by the electrical equipment and the reasonable continuous working time of the dehumidifying device, the multi-objective optimization method for parameters such as energy supply of the solar photovoltaic panel, energy storage capacity of the storage battery, power of the dehumidifying device and the like comprises the following steps:
wherein W is the storage battery capacity and the unit W.h; psIs the photovoltaic panel power, in units of W; pdFor dehumidifier power, unit W.
n is the number of consecutive overcast and rainy days, unit day; t is trznThe average sunshine duration in continuous rainy days and the unit of h, twnThe working time of the dehumidifier in continuous rainy days is the unit h.
m is the number of consecutive clear days, unit day; t is trzmIs the average sunshine duration in continuous sunny days and the unit h, twmmThe working time of the dehumidifier in continuous sunny days is unit h.
ηsThe conversion efficiency of the photovoltaic panel; and y is the energy storage coefficient of the storage battery before the beginning of continuous rainy days.
Preferably, the power of the dehumidification device is set to 60W, the continuous rainy day is 4 days, the normal working days are not higher than 3 days, and the storage battery energy storage is taken to be 100% (y is 1) before the continuous rainy day starts. In this case, the optimal power of the solar photovoltaic panel is 300W, and the optimal capacity of the storage battery is 300Ah 12-3600W/h. At this time, the normal working days are 2.67 days, which meet the actual requirements.
Setting an allowable range of humidity in the ring main unit 8, if the allowable range is within 50%, when the dehumidification induction control unit 6 detects that the humidity in the ring main unit is more than 50%, the singlechip controls the dehumidification condensing unit 7 to be connected, the temperature of the semiconductor refrigeration sheet 72 is reduced, so that water vapor circulating to the inside is condensed into water drops to flow to the liquid collector 78, and the water drops are discharged out of the ring main unit 8 through the condensation water outlet; and when the dehumidification induction control unit 6 detects that the humidity in the cabinet is less than 50%, the dehumidification condensation unit 7 is controlled to be switched off.
The utility model discloses humidity in can the real-time detection cabinet, according to humidity signal control dehumidification condensing unit work, humidity in making the looped netowrk cabinet reduces to the allowable humidity within range, guarantees the safe operation of equipment.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An automatic dehumidification system of a ring main unit is characterized in that the system is arranged on a box body (9) for accommodating the ring main unit (8), the system comprises a solar photovoltaic panel (1) arranged at the top of the box body (9), a surge protector (2), a direct current breaker (3), an energy supply and energy storage unit and a dehumidification device, the surge protector (2) is arranged in the box body (9), the solar photovoltaic panel (1) is connected with the ground through the surge protector (2) and is connected with the energy supply and energy storage unit through the direct current breaker (3), the dehumidification device is connected with the energy supply and energy storage unit and is arranged at the ring main unit (8), the dehumidification device comprises a dehumidification induction control unit (6) and a dehumidification condensation unit (7) connected with the dehumidification induction control unit (6), the dehumidification induction control unit (6) is arranged in the ring main unit (8), dehumidification condensing unit (7) set up outside looped netowrk cabinet (8) to set up on the inner wall of box (9), dehumidification condensing unit (7) include semiconductor refrigeration piece (72), fan (76), comdenstion water pipe (77) and accumulator (78) of being connected respectively with dehumidification sensing control unit (6), semiconductor refrigeration piece (72) be connected with accumulator (78), accumulator (78) be connected with comdenstion water pipe (77), the condensate outlet of comdenstion water pipe (77) receive outside looped netowrk cabinet (8) through the pipe.
2. The automatic dehumidification system of the ring main unit as claimed in claim 1, wherein the dehumidification condensing unit (7) further comprises a housing (71), an air inlet (73) is arranged at the front side of the housing (71), an air outlet (75) is arranged above the housing (71), a liquid collector (78) and a condensed water conduit (77) are arranged at the bottom of the housing (71), one end of the condensed water conduit (77) is connected with the liquid collector (78), a condensed water outlet at the other end is connected to the outside of the ring main unit (8) through a conduit, and a heat sink (74) is arranged in the housing (71).
3. The automatic dehumidification system of the ring main unit as claimed in claim 2, wherein the semiconductor refrigeration piece (72) is disposed in the housing (71), the fan (76) is disposed on a side wall of the semiconductor refrigeration piece (72), and the semiconductor refrigeration piece (72) and the fan (76) are located on a same horizontal plane.
4. The automatic dehumidification system of the ring main unit as claimed in claim 1, wherein the dehumidification sensing control unit (6) comprises a humidity sensor, a temperature sensor and a control unit, and the humidity sensor and the temperature sensor are respectively connected with the control unit.
5. The automatic dehumidification system of ring main unit as claimed in claim 1, wherein the energy supply and storage unit comprises a solar controller (4) and a storage battery (5), the solar photovoltaic panel (1) is connected with the solar controller (4) through a dc breaker (3), and the solar controller (4) is connected with the storage battery (5).
6. The automatic dehumidification system of a ring main unit as claimed in claim 4, wherein the control unit is a single chip microcomputer.
7. The automatic dehumidification system of a ring main unit as claimed in claim 6, wherein the single chip microcomputer is an AT89S52 microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878999.8U CN209844234U (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system of looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878999.8U CN209844234U (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system of looped netowrk cabinet |
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| CN209844234U true CN209844234U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920878999.8U Active CN209844234U (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system of looped netowrk cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098566A (en) * | 2019-06-12 | 2019-08-06 | 中国电建集团装备研究院有限公司 | A kind of ring network cabinet automatic dehumidification system and the optimization method that dehumidifies |
-
2019
- 2019-06-12 CN CN201920878999.8U patent/CN209844234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098566A (en) * | 2019-06-12 | 2019-08-06 | 中国电建集团装备研究院有限公司 | A kind of ring network cabinet automatic dehumidification system and the optimization method that dehumidifies |
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