CN110098566A - A kind of ring network cabinet automatic dehumidification system and the optimization method that dehumidifies - Google Patents
A kind of ring network cabinet automatic dehumidification system and the optimization method that dehumidifies Download PDFInfo
- Publication number
- CN110098566A CN110098566A CN201910506259.6A CN201910506259A CN110098566A CN 110098566 A CN110098566 A CN 110098566A CN 201910506259 A CN201910506259 A CN 201910506259A CN 110098566 A CN110098566 A CN 110098566A
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- Prior art keywords
- dehumidifying
- ring network
- network cabinet
- cabinet
- humidity
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 47
- 238000005457 optimization Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 11
- 230000001012 protector Effects 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 5
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 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 present invention relates to a kind of ring network cabinet automatic dehumidification system and dehumidifying optimization methods, including solar energy photovoltaic panel, Surge Protector, dc circuit breaker, solar controller, battery, dehumidifying induction control unit, dehumidify condensing unit, solar energy photovoltaic panel is connected to ground by Surge Protector, it is connect by dc circuit breaker with solar controller, solar controller is connect with battery, dehumidifying induction control unit is connect with dehumidifying condensing unit, collectively form dehumidification device, the present invention passes through the humidity in dehumidifying induction control unit real-time detection cabinet, and the on-off of dehumidifying condensing unit is controlled according to moisture signal, make cabinet humidity control in electrical equipment the best humidity environment range, it can ensure that insulator arrangement is safely operated steadily in the long term.The energy supply of this system, energy storage have carried out power optimization cooperation between dehumidification module, have at low cost, and effect on moisture extraction is good, high reliability.
Description
Technical field
The present invention relates to dehumidification equipment technical fields, optimize more particularly, to a kind of ring network cabinet automatic dehumidification system and dehumidifying
Method.
Background technique
In ring network cabinet operational process, since envionmental humidity is larger, when temperature is reduced to the condensation point of water, air
In vapor to the cold easily formed droplet, be attached to the surface of electrical equipment, cause the resistance of insulating materials to decline, and then lead
Causing the insulation performance of electrical equipment reduces, and initiation electrical equipment temperature rise is excessively high or flashover occurs, and reduces equipment life, even
Cause equipment directly damage or ring network cabinet damage, cause the heavy losses of property.This not only adds maintenance costs, also affect
Safe operation of power system where electrical equipment.Therefore, the humidity of ring network cabinet is monitored, installs dehumidification system additional, keeps ring network cabinet
Humidity be major issue urgently to be solved within the allowable range.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of ring network cabinets to remove automatically
Wet system and dehumidifying optimization method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of ring network cabinet automatic dehumidification system, the system are set on the cabinet to accommodate ring network cabinet, which includes setting
It sets in the solar energy photovoltaic panel of top of the box and set on the intracorporal Surge Protector of case, dc circuit breaker, energy supply and energy-storage units
And dehumidification device, the solar energy photovoltaic panel are connected to ground by Surge Protector, and by dc circuit breaker and energy supply with
Energy-storage units connection, the dehumidification device are connect with energy supply with energy-storage units, and the dehumidification device is arranged at ring network cabinet,
The dehumidification device includes dehumidifying induction control unit and incudes the dehumidifying condensing unit that control unit is connect with dehumidifying, described
The setting of dehumidifying induction control unit in the ring network cabinet, the dehumidifying condensing unit is arranged outside ring network cabinet, and is arranged in case
On the inner wall of body, the dehumidifying condensing unit includes semiconductor chilling plate, the wind being separately connected with dehumidifying induction control unit
Fan, condensing water tube and liquid trap, the semiconductor chilling plate are connect with liquid trap, the liquid trap and condensing water tube
Connection, the mouth of a river that is condensed out of the condensing water tube is connected to outside ring network cabinet by conduit.
Preferably, the dehumidifying condensing unit further includes shell, and the front side of the shell is equipped with air inlet, described
The top of shell is equipped with air outlet, and liquid trap, condensing water tube are set to housing bottom, one end of the condensing water tube and collection
The connection of liquid device, the mouth of a river that is condensed out of the other end are connected to outside ring network cabinet by conduit, and cooling fin is equipped in the shell.
Preferably, the semiconductor chilling plate is set in the housing, and the fan is set to the side wall of semiconductor chilling plate
On, semiconductor chilling plate and fan are located in same level.
Preferably, dehumidifying induction control unit includes humidity sensor, temperature sensor and control unit, humidity
Sensor, temperature sensor are connect with control unit respectively.
Preferably, the energy supply and energy-storage units include solar controller and battery, the photovoltaic
Plate is connect by dc circuit breaker with solar controller, and the solar controller is connect with battery.
Preferably, the control unit is single-chip microcontroller.
Preferably, the single-chip microcontroller uses AT89S52 microcontroller.
A kind of ring network cabinet dehumidifying optimization method, includes the following steps:
Step 1: allowed band is chosen to the humidity in ring network cabinet working environment according to electrical equipment.
Step 2: allowed band being chosen according to the humidity in the ring network cabinet working environment of selection, in conjunction with continuing for dehumidification device
Solar energy photovoltaic panel energy supply, batteries to store energy capacity, dehumidification device power are carried out parameter multiple-objection optimization by the working time.
Solar energy photovoltaic panel energy supply, batteries to store energy capacity, dehumidification device power carry out the tool of the multiple-objection optimization of parameter
Hold in vivo are as follows:
In formula, W is accumulator capacity, PsFor photovoltaic panel power, PdFor dehumidification device power, n is continuous overcast and rainy days, trzn
For the average sunshine time under continuous rainy days, twnFor the dehumidifier daily working time under continuous rainy days, m is continuous sunny
Number of days, trzmFor the average sunshine time in the continuous sunny world, twmmFor the dehumidifier daily working time in the continuous sunny world, ηs
For the transfer efficiency of photovoltaic panel, y is batteries to store energy coefficient before starting continuous rainy days.
Step 3: the humidity allowed band in setting ring network cabinet.
Step 4: if dehumidifying induction control unit detects the humidity allowed band that looped network cabinet humidity is greater than in ring network cabinet
When, single-chip microcontroller control dehumidifying condensing unit is connected, and the temperature of semiconductor chilling plate reduces, and makes to be passed to internal vapor condensation
Liquid trap is flowed at droplet, then by being condensed out outside the discharge ring net cabinet of the mouth of a river, if dehumidifying induction control unit detects cabinet humidity
Less than the humidity allowed band in ring network cabinet, then single-chip microcontroller control dehumidifying condensing unit shutdown.
Compared with prior art, the invention has the following advantages that
(1) present invention can be controlled dehumidifying condensing unit work according to moisture signal, be made ring with the humidity in real-time detection cabinet
Humidity in net cabinet, which is reduced to, to be allowed in humidity range, guarantees equipment safety operation；
(2) present invention is powered to charge the battery and to whole system by solar energy photovoltaic panel, when solar powered
When insufficient, solar controller automatically switches to storage battery power supply, and guarantee system can power for a long time, is suitable for lacking low pressure and supplies
The ring network cabinet dehumidifying field of electric system；
(3) multiple-objection optimization formula configuration according to the invention, can reach the Optimized Matching between each power, cost
Low, high efficiency；
(4) structure of the invention is simple and convenient to operate, and detachability is strong, the cost that can use manpower and material resources sparingly and maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of scheme of installation of ring network cabinet automatic dehumidification system of the present invention；
Fig. 2 is a kind of structural schematic diagram of ring network cabinet automatic dehumidification system of the present invention；
Fig. 3 is the structural schematic diagram of dehumidifying condensing unit in a kind of ring network cabinet automatic dehumidification system of the present invention；
Shown in figure label:
1, solar energy photovoltaic panel, 2, Surge Protector, 3, dc circuit breaker, 4, solar controller, 5, battery, 6, remove
Wet sense answers control unit, 7, dehumidifying condensing unit, 71, shell, 72, semiconductor chilling plate, 73, air inlet, 74, cooling fin, 75,
Air outlet, 76, fan, 77, condensing water tube, 78, liquid trap, 8, ring network cabinet, 9, cabinet, 10, chamber door.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.Obviously, described embodiment is this
A part of the embodiment of invention, rather than whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, all should belong to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, the present invention relates to a kind of ring network cabinet automatic dehumidification systems, and system setting is for accommodating ring
On the cabinet 9 of net cabinet 8, present system includes solar energy photovoltaic panel 1, Surge Protector 2, dc circuit breaker 3, solar control
Device 4, battery 5 and dehumidification device.The setting of solar energy photovoltaic panel 1 is in 9 top of cabinet, dehumidification device, Surge Protector 2, direct current
Breaker 3, solar controller 4, battery 5 are arranged in cabinet 9.Dehumidification device is arranged at ring network cabinet 8.
Solar energy photovoltaic panel 1 is connected to ground by Surge Protector 2, and passes through dc circuit breaker 3 and solar controller 4
Connection；Solar controller 4 is connect with battery 5, is constituted energy supply and energy-storage units, is passed through dc circuit breaker 3 and surge protection
Device 2 has defencive function.Dehumidification device is connect with energy supply with energy-storage units.
Dehumidification device includes dehumidifying induction control unit 6 and dehumidifying condensing unit 7, and the two is connected with each other.Dehumidifying induction control
Unit 6 processed incudes ambient humidity in real time, and the working condition of dehumidifying condensing unit 7 is controlled according to moisture signal, controls ring network cabinet 8
Interior humidity, prevent 8 electrical equipment of ring network cabinet make moist.
Dehumidifying induction control unit 6 is arranged in ring network cabinet 8, and dehumidifying induction control unit 6 includes humidity sensor, temperature
Sensor and single-chip microcontroller, humidity sensor, temperature sensor send humidity and temperature signal to single-chip microcontroller, and single-chip microcontroller is preferred
AT89S52 microcontroller.
The condensing unit 7 that dehumidifies is arranged outside ring network cabinet 8, and is arranged on the inner wall of cabinet 9, and dehumidifying condensing unit 7 includes
Shell 71, semiconductor chilling plate 72, fan 76, cooling fin 74 and condensing water tube 77.The front of shell 71 is equipped with air inlet
73, the top of shell 71 is equipped with air outlet 75, and the bottom of shell 71 is equipped with condensing water tube 77.Cooling fin 74 is equipped in shell 71
Fan 76 is equipped with the side of semiconductor chilling plate 72, semiconductor chilling plate 72；Semiconductor chilling plate 72 and fan 76 are located at same
On one horizontal plane.Semiconductor chilling plate 72 and fan 76 are fixed by the bracket in shell 71；Under semiconductor chilling plate 72
Side is provided with liquid trap 78, and the bottom of liquid trap 78 is connected with condensing water tube 77, and condensing water tube 77 is condensed out the mouth of a river
It is connected to outside ring network cabinet 8 by conduit.
The invention further relates to a kind of ring network cabinet dehumidifying optimization method, the particular contents of this method are as follows:
The energy supply of solar energy photovoltaic panel 1 is optimization cooperation between 5 stored energy capacitance of battery, dehumidification device power.According to electrical
Equipment chooses allowed band to the humidity in working environment, as the area requirement of 45%-60%, and reasonable dehumidification device are held
The continuous working time, the parameters Multipurpose Optimal Method such as solar energy photovoltaic panel energy supply, batteries to store energy capacity, dehumidification device power is such as
Under:
In formula, W is accumulator capacity, unit Wh；PsFor photovoltaic panel power, unit W；PdFor dehumidification device power, unit
W。
N is continuous overcast and rainy days, unit day；trznFor the average sunshine time under continuous rainy days, unit h, twnIt is continuous
Dehumidifier daily working time under rainy days, unit h.
M is continuous sunny number of days, unit day；trzmFor the average sunshine time in the continuous sunny world, unit h, twmmFor even
Continue the dehumidifier daily working time in the sunny world, unit h.
ηsFor the transfer efficiency of photovoltaic panel；Y is batteries to store energy coefficient before starting continuous rainy days.
It preferably, is 60W by the power setting of dehumidification device, continuous rainy days is 4 days, works normally number of days not higher than 3
It, taking batteries to store energy before starting continuous rainy days is 100% (y=1).In such cases, solar energy photovoltaic panel can be obtained
Optimal power is 300W, and the optimal capacity of battery is 300Ah*12=3600W/h.At this point, working normally number of days is 2.67 days,
Meet actual requirement.
Humidity allowed band in ring network cabinet 8 is set, within 50%, then when dehumidifying induction control unit 6 detects in cabinet
When humidity is greater than 50%, single-chip microcontroller control dehumidifying condensing unit 7 is connected, and the temperature of semiconductor chilling plate 72 reduces and makes to be passed to
Internal vapor is condensed into droplet and flows to liquid trap 78, then by being condensed out outside mouth of a river discharge ring net cabinet 8；When dehumidifying induction control
After unit 6 detects cabinet humidity less than 50%, control dehumidifying condensing unit 7 is turned off.
The present invention can be controlled dehumidifying condensing unit work according to moisture signal, be made looped network with the humidity in real-time detection cabinet
Humidity in cabinet, which is reduced to, to be allowed to guarantee the safe operation of equipment in humidity range.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The staff for being familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (9)
1. a kind of ring network cabinet automatic dehumidification system, which is characterized in that the system is set to the cabinet (9) to accommodate ring network cabinet (8)
On, which includes the solar energy photovoltaic panel (1) being arranged at the top of cabinet (9) and the Surge Protector in cabinet (9)
(2), dc circuit breaker (3), energy supply and energy-storage units and dehumidification device, the solar energy photovoltaic panel (1) pass through surge protection
Device (2) is connected to ground, and connect with energy supply with energy-storage units by dc circuit breaker (3), the dehumidification device with energize and
Energy-storage units connection, the dehumidification device are arranged at ring network cabinet (8), and the dehumidification device includes that dehumidifying induction control is single
First (6) and the dehumidifying condensing unit (7) connecting with dehumidifying induction control unit (6), dehumidifying induction control unit (6) are set
Set in the ring network cabinet (8), dehumidifying condensing unit (7) setting ring network cabinet (8) outside, and the inner wall in cabinet (9) is set
On, the dehumidifying condensing unit (7) include with dehumidifying induction control unit (6) be separately connected semiconductor chilling plate (72),
Fan (76), condensing water tube (77) and liquid trap (78), the semiconductor chilling plate (72) are connect with liquid trap (78), institute
The liquid trap (78) stated is connect with condensing water tube (77), and the mouth of a river that is condensed out of the condensing water tube (77) is connect by conduit
Outside to ring network cabinet (8).
2. a kind of ring network cabinet automatic dehumidification system according to claim 1, which is characterized in that the dehumidifying condensing unit
It (7) further include shell (71), the front side of the shell (71) is equipped with air inlet (73), and the top of the shell (71) is equipped with
Air outlet (75), liquid trap (78), condensing water tube (77) be set to shell (71) bottom, the one of the condensing water tube (77)
End is connect with liquid trap (78), and the mouth of a river that is condensed out of the other end is connected to ring network cabinet (8) outside by conduit, in the shell (71)
Equipped with cooling fin (74).
3. a kind of ring network cabinet automatic dehumidification system according to claim 2, which is characterized in that the semiconductor chilling plate
(72) it is set in shell (71), the fan (76) is set on the side wall of semiconductor chilling plate (72), semiconductor chilling plate
(72) it is located in same level with fan (76).
4. a kind of ring network cabinet automatic dehumidification system according to claim 1, which is characterized in that the dehumidifying incudes control
Unit (6) includes humidity sensor, temperature sensor and control unit, and humidity sensor, temperature sensor are single with control respectively
Member connection.
5. a kind of ring network cabinet automatic dehumidification system according to claim 1, which is characterized in that the energy supply and energy storage list
Member includes solar controller (4) and battery (5), and the solar energy photovoltaic panel (1) passes through dc circuit breaker (3) and the sun
It can control device (4) connection, the solar controller (4) is connect with battery (5).
6. a kind of ring network cabinet automatic dehumidification system according to claim 4, which is characterized in that the control unit is single
Piece machine.
7. a kind of ring network cabinet automatic dehumidification system according to claim 6, which is characterized in that the single-chip microcontroller uses
AT89S52 microcontroller.
8. it is a kind of using a kind of described in any item dehumidifying optimization methods of ring network cabinet automatic dehumidification system of claim 1-7,
It is characterized in that, method includes the following steps:
S1: allowed band is chosen to the humidity in ring network cabinet working environment according to electrical equipment；
S2: allowed band is chosen according to the humidity in the ring network cabinet working environment of selection, in conjunction with dehumidification device when continuing working
Between, solar energy photovoltaic panel energy supply, batteries to store energy capacity, dehumidification device power are subjected to parameter multiple-objection optimization；
S3: the humidity allowed band in setting ring network cabinet；
S4: if dehumidifying induction control unit detects the humidity allowed band that looped network cabinet humidity is greater than in ring network cabinet, monolithic
Machine control dehumidifying condensing unit is connected, and the temperature of semiconductor chilling plate reduces, and the vapor for being passed to inside is made to be condensed into droplet
Liquid trap is flowed to, then by being condensed out outside the discharge ring net cabinet of the mouth of a river, if dehumidifying induction control unit detects that cabinet humidity is less than ring
Humidity allowed band in net cabinet, then single-chip microcontroller control dehumidifying condensing unit shutdown.
The optimization method 9. a kind of ring network cabinet according to claim 8 dehumidifies, which is characterized in that in step S2, solar energy
Lie prostrate the particular content of plate energy supply, the multiple-objection optimization of batteries to store energy capacity, dehumidification device power progress parameter are as follows:
In formula, W is accumulator capacity, PsFor photovoltaic panel power, PdFor dehumidification device power, n is continuous overcast and rainy days, trznFor even
Average sunshine time under continuous rainy days, twnFor the dehumidifier daily working time under continuous rainy days, m is continuous sunny day
Number, trzmFor the average sunshine time in the continuous sunny world, twmFor the dehumidifier daily working time in the continuous sunny world, ηsFor
The transfer efficiency of photovoltaic panel, y are batteries to store energy coefficient before starting continuous rainy days.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110098566A true CN110098566A (en) | 2019-08-06 |
| CN110098566B CN110098566B (en) | 2024-05-24 |
Family
ID=67450911
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910506259.6A Active CN110098566B (en) | 2019-06-12 | 2019-06-12 | Automatic dehumidification system and dehumidification optimization method for ring main unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN110098566B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113545242A (en) * | 2021-06-11 | 2021-10-26 | 北京农业智能装备技术研究中心 | Automatic dehumidifier for greenhouse and control method thereof |
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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 |
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| Publication number | Publication date |
|---|---|
| CN110098566B (en) | 2024-05-24 |
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