CN110098566B - Automatic dehumidification system and dehumidification optimization method for ring main unit - Google Patents
Automatic dehumidification system and dehumidification optimization method for ring main unit Download PDFInfo
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- CN110098566B CN110098566B CN201910506259.6A CN201910506259A CN110098566B CN 110098566 B CN110098566 B CN 110098566B CN 201910506259 A CN201910506259 A CN 201910506259A CN 110098566 B CN110098566 B CN 110098566B
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- dehumidification
- ring main
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- humidity
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005457 optimization Methods 0.000 title claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 230000001012 protector Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to an automatic dehumidification system of a ring main unit and a dehumidification optimization method, which comprise a solar photovoltaic panel, a surge protector, a direct current breaker, a solar controller, a storage battery, a dehumidification induction control unit and a dehumidification condensation unit, wherein the solar photovoltaic panel is connected with the ground through the surge protector and the solar controller through the direct current breaker, the solar controller is connected with the storage battery, and the dehumidification induction control unit is connected with the dehumidification condensation unit to jointly form a dehumidification device. The energy supply, energy storage and dehumidification modules of the system are matched in a power optimization mode, and the system has the advantages of being low in cost, good in dehumidification effect, high in reliability and the like.
Description
Technical Field
The invention relates to the technical field of dehumidification equipment, in particular to an automatic dehumidification system and a dehumidification optimization method of a ring main unit.
Background
In the operation process of the ring main unit, due to the fact that 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, the water drops are attached to the surface of the electrical equipment, the resistance of an insulating material is reduced, the insulating performance of the electrical equipment is reduced, the temperature rise of the electrical equipment is excessively high or flashover is caused, the service life of the equipment is reduced, 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 costs, but also affects the safe operation of the electrical system in which the electrical equipment is located. Therefore, monitoring the humidity of the ring main unit, adding a dehumidification system, and keeping the humidity of the ring main unit within an allowable range is an important problem to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic ring main unit dehumidification system and a dehumidification optimization method.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides an automatic dehumidification system of looped netowrk cabinet, this system is located on the box that is used for holding the looped netowrk cabinet, this system is including setting up at the solar photovoltaic board at box top and locating surge protector, direct current breaker, energy supply and energy storage unit and dehydrating unit in the box, solar photovoltaic board pass through surge protector and ground connection to be connected with energy supply and energy storage unit through direct current breaker, dehydrating unit and energy supply and energy storage unit connection, dehydrating unit set up in looped netowrk cabinet department, dehydrating unit include dehumidification induction control unit and the dehumidification condensation unit of being connected with dehumidification induction control unit, dehumidification induction control unit set up in the looped netowrk cabinet, dehumidification condensation unit set up outside the looped netowrk cabinet to set up on the inner wall of box, dehumidification condensation unit include semiconductor refrigeration piece, fan, comdenstion water pipe and the liquid collector that are connected respectively with dehumidification induction control unit, semiconductor refrigeration piece be connected with the liquid collector, liquid collector and be connected with energy storage unit, the condensation unit condensation pipe be connected with the comdenstion water pipe outside the outer through the pipe that the condensate pipe is received to the delivery port.
Preferably, the dehumidifying and condensing unit further comprises a shell, an air inlet is formed in the front side of the shell, an air outlet is formed in the upper portion of the shell, a liquid collector and a condensed water conduit are arranged at the bottom of the shell, one end of the condensed water conduit is connected with the liquid collector, a condensed water outlet at the other end of the condensed water conduit is connected to the outside of the ring main unit through the conduit, and a radiating fin is arranged in the shell.
Preferably, the semiconductor refrigerating sheet is arranged in the shell, the fan is arranged on the side wall of the semiconductor refrigerating sheet, and the semiconductor refrigerating sheet and the fan are positioned on the same horizontal plane.
Preferably, the dehumidification sensing control unit comprises a humidity sensor, a temperature sensor and a control unit, wherein the humidity sensor and the temperature sensor are respectively connected with the control unit.
Preferably, the energy supply and storage unit comprises a solar controller and a storage battery, the solar photovoltaic panel is connected with the solar controller through a direct current breaker, and the solar controller is connected with the storage battery.
Preferably, the control unit is a single chip microcomputer.
Preferably, the singlechip adopts an AT89S52 microcontroller.
A dehumidification optimization method of a ring main unit comprises the following steps:
Step 1: and selecting an allowable range according to the humidity of the electrical equipment in the working environment of the ring main unit.
Step 2: and selecting an allowable range according to the humidity in the selected ring main unit working environment, and carrying out parameter multi-objective optimization on the energy supply of the solar photovoltaic panel, the energy storage capacity of the storage battery and the power of the dehumidification device by combining the continuous working time of the dehumidification device.
The specific contents of the multi-objective optimization of parameters of the solar photovoltaic panel energy supply, the storage battery energy storage capacity and the dehumidification device power are as follows:
Wherein W is the capacity of a storage battery, P s is the power of a photovoltaic panel, P d is the power of a dehumidifier, n is the average sunlight time in continuous overcast and rainy days, t rzn is the average sunlight time in continuous overcast and rainy days, t wn is the daily working time of the dehumidifier in continuous overcast and rainy days, m is the continuous sunny days, t rzm is the average sunlight time in continuous sunny days, t wmm is the daily working time of the dehumidifier in continuous sunny days, eta s is the conversion efficiency of the photovoltaic panel, and y is the energy storage coefficient of the storage battery before the continuous overcast and rainy days start.
Step 3: and setting a humidity allowable range in the ring main unit.
Step 4: if the dehumidification induction control unit detects that the humidity in the ring main unit is greater than the allowable humidity range in the ring main unit, the singlechip controls the dehumidification condensing unit to be connected, the temperature of the semiconductor refrigerating sheet is reduced, water vapor flowing into the interior is condensed into water drops which flow to the liquid collector, and then the water drops are discharged out of the ring main unit through the condensation water outlet, and if the dehumidification induction control unit detects that the humidity in the ring main unit is less than the allowable humidity range in the ring main unit, the singlechip controls the dehumidification condensing unit to be disconnected.
Compared with the prior art, the invention has the following advantages:
(1) The invention can detect the humidity in the cabinet in real time, and control the dehumidifying condensing unit to work according to the humidity signal, so that the humidity in the ring main unit is reduced to be within the allowable humidity range, and the safe operation of equipment is ensured;
(2) According to the invention, the storage battery is charged through the solar photovoltaic panel and the whole system is powered, when the solar power supply is insufficient, the solar controller is automatically switched to the storage battery for power supply, so that the system can supply power for a long time, and the method is suitable for the dehumidification field of the ring main unit lacking a low-voltage power supply system;
(3) According to the multi-objective optimization formula configuration, the optimal matching among the power can be achieved, the cost is low, and the benefit is high;
(4) The invention has simple structure, convenient operation and strong detachability, and can save the cost of manpower and material resources and the maintenance cost.
Drawings
FIG. 1 is a schematic diagram illustrating the installation of an automatic dehumidification system for a ring main unit in accordance with the present invention;
FIG. 2 is a schematic diagram of an automatic dehumidification system for ring main units according to the present invention;
FIG. 3 is a schematic diagram of a dehumidifying and condensing unit in an automatic ring main unit dehumidifying system according to the present invention;
The reference numerals in the figures indicate:
1. A solar photovoltaic panel 2, a surge protector 3, a direct current breaker 4, a solar controller 5, a storage battery 6, a dehumidification induction control unit 7, a dehumidification condensing unit 71 and a shell, 72, semiconductor refrigerating sheets, 73, an air inlet, 74, radiating sheets, 75, an air outlet, 76, a fan, 77, a condensed water conduit, 78, a liquid collector, 8, a ring main unit, 9, a box body, 10 and a box door.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1 and 2, the invention relates to an automatic ring main unit dehumidification system, which is arranged on a box body 9 for accommodating a ring main unit 8, and comprises a solar photovoltaic panel 1, a surge protector 2, a direct current breaker 3, a solar controller 4, a storage battery 5 and a dehumidification device. 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 the surge protector 2 and is connected with the solar controller 4 through the 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 energy 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 induction control unit 6 senses the ambient 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 electrical equipment of the ring main unit 8 from being wetted.
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 singlechip, the humidity sensor and the temperature sensor transmit humidity and temperature signals to the singlechip, and the singlechip is preferably an AT89S52 microcontroller.
The dehumidification condensing unit 7 is arranged outside the ring main unit 8 and on the inner wall of the box body 9, and the dehumidification condensing unit 7 comprises a shell 71, a semiconductor refrigerating sheet 72, a fan 76, radiating fins 74 and a condensate water conduit 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 condensate water conduit 77 is arranged at the bottom of the shell 71. The shell 71 is internally provided with a radiating fin 74 and a semiconductor refrigerating fin 72, and the side surface of the semiconductor refrigerating fin 72 is provided with a fan 76; the semiconductor refrigeration sheet 72 and the fan 76 are located on the same horizontal plane. The semiconductor refrigeration piece 72 and the fan 76 are fixed in the shell 71 through a bracket; the liquid collector 78 is arranged below the semiconductor refrigerating sheet 72, the bottom of the liquid collector 78 is connected with the 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 the conduit.
The invention also relates to a dehumidification optimization method of the ring main unit, which comprises the following specific contents:
The energy supply of the solar photovoltaic panel 1, the energy storage capacity of the storage battery 5 and the power of the dehumidification device are optimally matched. The multi-objective optimization method for parameters such as solar photovoltaic panel energy supply, storage battery energy storage capacity, dehumidification device power and the like comprises the following steps of:
wherein W is the capacity of the storage battery, and the unit is W.h; p s is the power of the photovoltaic panel, and the unit is W; p d is the dehumidification device power in W.
N is the number of consecutive overcast and rainy days, and the unit day; t rzn is the average sunlight time under continuous overcast and rainy days, and t wn is the daily working time of the dehumidifier under continuous overcast and rainy days, and is the unit h.
M is continuous clear days, and the unit day; t rzm is the average sunlight time under continuous sunny days, the unit h, and t wmm is the working time of the dehumidifier under continuous sunny days per day, the unit h.
Η s is the conversion efficiency of the photovoltaic panel; y is the energy storage coefficient of the storage battery before the continuous rainy days start.
Preferably, the power of the dehumidifying device is set to 60W, the continuous overcast and rainy days are 4 days, the normal working days are not higher than 3 days, and the storage energy of the storage battery is 100% (y=1) before the continuous overcast and rainy days are started. 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, and the actual requirements are met.
Setting the allowable range of humidity in the ring main unit 8, for example, within 50%, when the dehumidification induction control unit 6 detects that the humidity in the ring main unit is greater than 50%, the singlechip controls the dehumidification condensing unit 7 to be connected, the temperature of the semiconductor refrigerating sheet 72 is reduced, so that the vapor flowing into the ring main unit is condensed into water droplets, the water droplets flow into the liquid collector 78, and the water droplets are discharged out of the ring main unit 8 through the condensation water outlet; 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 turned off.
The invention can detect the humidity in the cabinet in real time, and control the dehumidifying condensing unit to work according to the humidity signal, so that the humidity in the ring main unit is reduced to be within the allowable humidity range, and the safe operation of equipment is ensured.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions may be made without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (7)
1. The dehumidification optimization method of the automatic ring main unit dehumidification system is characterized in that the method is applied to the automatic ring main unit dehumidification system, the system is arranged on a box body (9) used for accommodating a ring main unit (8), the system comprises a solar photovoltaic panel (1) arranged at the top of the box body (9) and a surge protector (2), a direct current breaker (3), an energy supply and storage unit and a dehumidification device 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 storage unit through the direct current breaker (3), the dehumidification device is connected with the energy supply and storage unit, the dehumidification device is arranged at the position of 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), the dehumidification condensation unit (7) is arranged on the outer side of the box body (8) and is connected with a semiconductor device (72) of the semiconductor device (78), the semiconductor device (72) is connected with a refrigerating unit (72), the liquid collector (78) is connected with the 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 the conduit;
the dehumidification optimization method comprises the following steps:
S1: selecting an allowable range according to the humidity in the working environment of the ring main unit by the electrical equipment;
S2: selecting an allowable range according to the humidity in the selected ring main unit working environment, and carrying out parameter multi-objective optimization on the energy supply of the solar photovoltaic panel, the energy storage capacity of the storage battery and the power of the dehumidification device by combining the continuous working time of the dehumidification device;
s3: setting a humidity allowable range in the ring main unit;
S4: if the dehumidification induction control unit detects that the humidity in the ring main unit is greater than the allowable humidity range in the ring main unit, the singlechip controls the dehumidification condensing unit to be connected, the temperature of the semiconductor refrigerating sheet is reduced, so that water vapor flowing into the interior is condensed into water droplets, the water droplets flow into the liquid collector and are discharged out of the ring main unit through the condensation water outlet, and if the dehumidification induction control unit detects that the humidity in the ring main unit is less than the allowable humidity range in the ring main unit, the singlechip controls the dehumidification condensing unit to be disconnected;
The solar photovoltaic panel (1) supplies energy, the storage capacity of the storage battery (5) and the power of the dehumidification device are optimized in a multi-objective mode according to the humidity selection allowable range of the electrical equipment in the working environment:
,
,
Wherein W is the capacity of the storage battery; Power for photovoltaic panel; /(I) Is the power of the dehumidifying device; n is the number of consecutive overcast and rainy days; /(I)For average sunshine duration in continuous overcast and rainy days,/>The working time of the dehumidifier is the working time of the dehumidifier in continuous overcast and rainy days; m is continuous clear days; /(I)For average sunshine duration under continuous clear days,/>The daily working time of the dehumidifier under continuous sunny days is as follows; conversion efficiency for photovoltaic panels; y is the energy storage coefficient of the storage battery before the continuous rainy days start.
2. The automatic dehumidification method of the ring main unit according to claim 1, wherein the dehumidification condensing unit (7) further comprises a shell (71), an air inlet (73) is formed in the front side of the shell (71), an air outlet (75) is formed in the upper portion of the shell (71), a liquid collector (78) and a condensed water conduit (77) are arranged at the bottom of the shell (71), one end of the condensed water conduit (77) is connected with the liquid collector (78), a condensed water outlet at the other end of the condensed water conduit is connected to the outside of the ring main unit (8) through a conduit, and a radiating fin (74) is arranged in the shell (71).
3. The automatic dehumidification method of the ring main unit according to claim 2, wherein the semiconductor refrigeration piece (72) is arranged in the shell (71), the fan (76) is arranged on the side wall of the semiconductor refrigeration piece (72), and the semiconductor refrigeration piece (72) and the fan (76) are positioned on the same horizontal plane.
4. The automatic dehumidification method of the ring main unit according to claim 1, wherein the dehumidification induction 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 method of the ring main unit according to 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 direct current breaker (3), and the solar controller (4) is connected with the storage battery (5).
6. The method for automatically dehumidifying a ring main unit as claimed in claim 4, wherein the control unit is a single-chip microcomputer.
7. The automatic dehumidification method of a ring main unit according to claim 6, wherein the singlechip is an AT89S52 microcontroller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506259.6A CN110098566B (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system and dehumidification optimization method for ring main unit |
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| CN201910506259.6A CN110098566B (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system and dehumidification optimization method for ring main unit |
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| CN110098566B true CN110098566B (en) | 2024-05-24 |
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| CN112564027A (en) * | 2020-12-02 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Solar dehumidifying device and outdoor distribution box with same |
| CN113545242B (en) * | 2021-06-11 | 2022-11-04 | 北京农业智能装备技术研究中心 | Automatic dehumidifier for greenhouse and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202712712U (en) * | 2012-08-03 | 2013-01-30 | 重庆市电力公司北碚供电局 | Ring main unit with moisture-proof apparatus |
| CN205901136U (en) * | 2016-08-04 | 2017-01-18 | 国网江苏省电力公司连云港供电公司 | Outdoor looped netowrk cabinet dehumidification and warning device |
| CN207098356U (en) * | 2017-08-08 | 2018-03-13 | 阿特斯阳光电力集团有限公司 | Grid-connected distribution box |
| CN207601129U (en) * | 2017-07-04 | 2018-07-10 | 苏州长风自动化科技有限公司 | A kind of photovoltaic ammeter box |
| CN209844234U (en) * | 2019-06-12 | 2019-12-24 | 中国电建集团装备研究院有限公司 | Automatic dehumidification system of looped netowrk cabinet |
-
2019
- 2019-06-12 CN CN201910506259.6A patent/CN110098566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202712712U (en) * | 2012-08-03 | 2013-01-30 | 重庆市电力公司北碚供电局 | Ring main unit with moisture-proof apparatus |
| CN205901136U (en) * | 2016-08-04 | 2017-01-18 | 国网江苏省电力公司连云港供电公司 | Outdoor looped netowrk cabinet dehumidification and warning device |
| CN207601129U (en) * | 2017-07-04 | 2018-07-10 | 苏州长风自动化科技有限公司 | A kind of photovoltaic ammeter box |
| CN207098356U (en) * | 2017-08-08 | 2018-03-13 | 阿特斯阳光电力集团有限公司 | Grid-connected distribution box |
| CN209844234U (en) * | 2019-06-12 | 2019-12-24 | 中国电建集团装备研究院有限公司 | Automatic dehumidification system of looped netowrk cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 上海交通大学.优化方法与最优控制.机械工业出版社,1993,第44-46页. * |
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