CN110377067A - Dehumidifying integral system for box type transformer - Google Patents
Dehumidifying integral system for box type transformer Download PDFInfo
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- CN110377067A CN110377067A CN201910521870.6A CN201910521870A CN110377067A CN 110377067 A CN110377067 A CN 110377067A CN 201910521870 A CN201910521870 A CN 201910521870A CN 110377067 A CN110377067 A CN 110377067A
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- humidity
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- dehumidifying
- box
- cabinet
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- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Drying Of Gases (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A kind of dehumidifying integral system for box type transformer, belongs to the Moistureproof dehumidification field of device used for distribution.A dehumidification module is arranged in it in box cabinet body;Temperature Humidity Sensor is not correspondingly arranged in box cabinet body inner and outer portions;Discharge pipe line and exhaust fan are set on the cabinet;Dehumidification module, Temperature Humidity Sensor and exhaust fan are connect with controlling terminal module on the spot;Controlling terminal module is connect by a wireless communication module with remote server on the spot.Its operating mode for passing through cooling-draining-ventilation, using drainage type semiconductor refrigerating dehumidification device, improve the moist environment inside case change by dehumidifying and cooling down two aspects, cooperation remote server becomes internal to case and monitors in real time, it realizes case and becomes the intracorporal Moistureproof dehumidification function of cabinet, it is played a significant role to the failure that case becomes is reduced, has ensured the safe and stable operation that case becomes, extended the service life of case change.It is widely portable to the Moistureproof dehumidification field of box type transformer.
Description
Technical field
The invention belongs to moisture-proof, the dehumidification device fields of supply and distribution device, more particularly to one kind to become for 10 kilovolts of casees
The dehumidifying integral system for box type transformer.
Background technique
In low-voltage network, box-type substation or box type transformer (change of abbreviation case) are most common terminal power distribution sides
Formula is typically mounted at open air, and the intermediate link of resident is diverted into as high-low pressure conversion and electric energy.
But since case change and switchgear are often all sealings, inner space is narrow, by rainy season and weather
The influence of variation, wet air cannot be discharged in time, and inside is easy to appear condensation.
Condensation be attached to the insulation performance that will affect equipment on component or electric connecting point and be easy to cause short circuit or
Person's ground fault, condensation can also accelerate the corrosion of the hardware of equipment in cabinet, reduce equipment operation reliability and machinery is strong
Degree, the insulation performance of electricity piece also will be greatly reduced, and electrical equipment is caused to climb the accidents such as electricity, flashover and tripping.
According to incompletely statistics, electrical equipment malfunction caused by the factor of external environment change at present accounts for equipment overall failure
62%, design and device defects 18%, working service factor 11%, the other factors such as security protection 9%, wherein again in switchgear
Portion's dampness is particularly problematic.
Outdoor case becomes general unattended, when failure occurs, comes to overhaul from discovery failure to related personnel
Often there are multiple intermediate links between power transmission, to bring undesirable influence to enterprise's production and resident living.And Shanghai
City is located in the southeastern coastal areas, and the moisture content in air is relatively high, and day and night temperature is very big, and dew condensation phenomenon is easier to occur, sternly
The electric power safety of low-voltage network is threatened again, therefore we are badly in need of seeking reliable effective measures to solve condensation problem.
Data of publication of application is on August 11st, 2017, and application publication number is the Chinese invention patent application of CN 107039892A
In, a kind of " method of high-voltage switch gear system Moistureproof dehumidification " is disclosed, method is the following steps are included: (1) cleans height with acetone
Compress switch system high pressure switchgear insulation position, and smears anti-pollution flashover coating in insulation position, while blocking up cable with fireproof gum mudding
Entrance and with glass cement block seam crossing;(2) start-up temperature threshold value is respectively set on control device, stops temperature threshold, open
Dynamic humidity threshold and stopping humidity threshold;(3) the high ventilation dehumidification device of control device starting and heating device;(4) control device
Start the ventilation dehumidification device and at least one heating device in high-voltage switch gear system;(5) make heating devices heat high-voltage switch gear
Gas in cabinet, at the same make heating after gas be discharged into ventilation dehumidification device in and condensation heating after gas to obtain dry gas, it
Dry gas is conveyed into high-tension switch cabinet by dehumidification device of taking a breath afterwards;(6) step (5) are repeated until temperature and humidity sensing fills
When temperature detected by setting and/or institute's humidity reach outage threshold, control device stops ventilation dehumidification device and heating device.
In upper technical solution, first is that cleaning high-voltage switch gear system high pressure switchgear insulation position with acetone, this is for knot
The compact case of structure is generally difficult to implement for becoming, and only dismantling the change of entire case just can be carried out;And it dismantles after case becomes and carries out again
Assembling, assembling quality and electrical safety parameter after being often difficult to ensure assembling in actual operation;Second is that using heating mode
Dehumidifying, is not suitable for the environment of southern high-temperature humidity.
It is more prevalent with box type transformer application, how case is become and carries out long-term, effective and stable dehumanization method,
It is problem in the urgent need to address in real work.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of dehumidifying integral systems for box type transformer.It sets
Multiple temperature sensors are set, the temperature and humidity for becoming the inside and outside portion of cabinet to case measures respectively, using cooling-draining-ventilation side
Method accelerates the air circulation that case becomes in cabinet, and control dehumidification module carries out dehumidification work automatically, to eliminate inside switch cabinet generation
The condition of condensation achievees the purpose that prevent condensation;Meanwhile using computer client or mobile phone A pp software as control medium, it realizes
The interaction of teledata and long-range control.
The technical scheme is that a kind of dehumidifying integral system for box type transformer is provided, it is characterized in that:
In the closed box cabinet body that case becomes, a dehumidification module is set;
In the closed box inside and outside portion of cabinet body that case becomes, setting Temperature Humidity Sensor is respectively corresponded;
At least one discharge pipe line on closed box cabinet body;
One exhaust fan is set on closed box cabinet body;
Dehumidification module, corresponding Temperature Humidity Sensor and the exhaust fan, with one on the spot controlling terminal module connect;
The module of controlling terminal on the spot is connect by a wireless communication module with remote server.
Wherein, the dehumidification module is used to condense humid air by its dehumidifying air duct, dehumidify;After dehumidifying
Dry air recycled in cabinet;
The temperature and humidity sensing is used to detect the ambient humidity in the closed inside and outside portion of box cabinet body automatically;
Cabinet body is discharged in the condensed water that the discharge pipe line is used to generate dehumidification module;
The exhaust fan is used to the humid air discharge in closed box cabinet body excluding cabinet body.
Specifically, when cabinet humidity is higher than preset top limit value of humidity, controlling terminal module control dehumidifying on the spot
Module is started to work;
When cabinet humidity is lower than preset humidity lower limit value, controlling terminal module control dehumidification module stops on the spot
Work;
When cabinet humidity is higher than preset humidity lower limit value, but is lower than preset top limit value of humidity, dehumidifying
Module then keeps current working condition.
Further, when the humidity of the closed box interior of the cabinet is greater than the wet of closed box cabinet body outside air
Degree, and the humidity of closed box interior of the cabinet be higher than preset top limit value of humidity when, on the spot controlling terminal module start
Exhaust fan becomes inner air and outer air by fast exchange case, reduces the humidity of interior of the cabinet air;
When the humidity of interior of the cabinet is equal to or less than the humidity of closed box cabinet body outside air, controlling terminal on the spot
The operating of module stopping exhaust fan.
The module of controlling terminal on the spot controlling terminal described in it becomes the data of inside and outside Temperature Humidity Sensor, warp by vasculum
Data analysis, the processing for crossing controlling terminal processor, are changed by starting dewatering type dehumidifier and exhaust fan inside case change
Wet environment.
Specifically, the dehumidification module is dewatering type dehumidifier;The exhaust fan is centrifugal blower;Described is wireless
Communication module is GPRS module;The remote server is arranged in block supply dispatch center.
Further, the dewatering type dehumidifier is semiconductor refrigeration type dehumidifier, and the vapour molecule in air is half
The chill surface of conductor refrigeration type dehumidifier nearby meets low temperature and condensation occurs, and is attached to the metal block surface of chill surface, works as hydrone
After being gathered into small water droplet, due to self gravity, glides along metal block surface and instill drip tray, flexible conduit and draining through drip tray
Piping connection, export case become outer.
Further, the module of controlling terminal on the spot by wireless communication module by case become inside and outside warm and humid degree
According to dehumidifier, exhaust fan operating status are uploaded to background server, realize to the remote real-time monitoring of box house and in computer
Terminal and mobile phone APP terminal are shown.
Further, the dehumidifying integral system can be monitored remotely in computer terminal and mobile phone APP terminal
The working condition of dewatering type dehumidifier and centrifugal exhaust fan, and dewatering type dehumidifier and centrifugal exhaust fan can be remotely controlled
Operation start or stop.
Compared with the prior art, the invention has the advantages that
1. using integrated dehumidification system, solves the problems, such as the Moistureproof dehumidification that case becomes;
2. by setting GPRS module and background server structure, realize to the remote real-time monitoring of box house and
Computer terminal and mobile phone APP terminal are shown, and can be remotely controlled the operation starting of dewatering type dehumidifier and centrifugal exhaust fan
Or stop.
3. passing through the operating mode of cooling-draining-ventilation, using drainage type semiconductor refrigerating dehumidification device, with minimum
Occupied space, improve the moist environment that case becomes internal by dehumidifying and cooling down two aspects, cooperation remote server is to case
Become internal to be monitored in real time, realize case and become the intracorporal Moistureproof dehumidification function of cabinet, the failure for reducing case change is played very big
Effect, ensured case become safe and stable operation, extend case change service life.
Detailed description of the invention
Fig. 1 is system topology schematic diagram of the invention;
Fig. 2 is the hardware circuit schematic diagram of controlling terminal of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
In Fig. 1, technical solution of the present invention provides a kind of dehumidifying integral system for box type transformer, invention
Point is:
In the closed box cabinet body that case becomes, a dehumidification module is set;
In the closed box inside and outside portion of cabinet body that case becomes, the Temperature Humidity Sensor of setting is respectively corresponded;
At least one discharge pipe line on closed box cabinet body;
One exhaust fan is set on closed box cabinet body;
Dehumidification module, corresponding Temperature Humidity Sensor and the exhaust fan, with one on the spot controlling terminal module connect;
The module of controlling terminal on the spot is connect by a GPRS communication module with remote server.
The dehumidification module is used to condense humid air by its dehumidifying air duct, dehumidify;
The temperature and humidity sensing is used to detect the ambient humidity in the closed inside and outside portion of box cabinet body automatically;
Cabinet body is discharged in the condensed water that the discharge pipe line is used to generate dehumidification module;
Dehumidification module is for actively by the humid air sucking dehumidifying air duct of confined space in closed box cabinet body, air
In steam be condensed into water after dehumidification module cools down, then cabinet body is discharged by aqueduct, the dry air after dehumidifying is in cabinet
Interior circulation;
When cabinet humidity is higher than preset top limit value of humidity, control dehumidification module is started to work;
When cabinet humidity is lower than preset humidity lower limit value, control dehumidification module stops working;
When cabinet humidity is higher than preset humidity lower limit value, but is lower than preset top limit value of humidity, dehumidifying
Module then keeps current working condition.
When the humidity of closed box interior of the cabinet is greater than the humidity of closed box cabinet body outside air, and closed enclosure
When the humidity of formula interior of the cabinet is higher than preset top limit value of humidity, start exhaust fan, interior outer space is become by fast exchange case
Gas reduces the humidity of interior of the cabinet air;
When the humidity of interior of the cabinet is equal to or less than the humidity of closed box cabinet body outside air, stop exhaust fan
Operating.
Specifically, the dehumidification module is dewatering type dehumidifier;The exhaust fan is centrifugal blower.
Specifically, the dewatering type dehumidifier is semiconductor refrigeration type dehumidifier, the vapour molecule in air is partly being led
The chill surface of body refrigeration type dehumidifier nearby meets low temperature and condensation occurs, and is attached to the metal block surface of chill surface, when hydrone is poly-
After integrating small water droplet, due to self gravity, glides along metal block surface and instill drip tray, flexible conduit and drainpipe through drip tray
Road connection, export case become outer.
Further, the module of the controlling terminal on the spot controlling terminal becomes internal and external temperature sensor and wet by vasculum
The data for spending sensor pass through starting dewatering type dehumidifier and exhaust fan by data analysis, the processing of controlling terminal processor
To change the wet environment inside case change.
Specifically, the module of controlling terminal on the spot (abbreviation controlling terminal) passes through the inside and outside temperature that GPRS module becomes case
Humidity data, dehumidifier, exhaust fan operating status are uploaded to background server, realize to the remote real-time monitoring of box house and
It is shown in computer terminal and mobile phone APP terminal.
Further, the dehumidifying integral system computer terminal and mobile phone APP terminal can the long-range row of monitoring
The working condition of water type dehumidifier and centrifugal exhaust fan, and dewatering type dehumidifier and centrifugal exhaust fan can be remotely controlled
Operation starts or stops.
Specifically, the controlling terminal in Fig. 1, temperature and humidity situation in real-time monitoring case outside case acquires sensor measurement
Temperature and humidity information controls Intelligent dehumidifying machine and axial flow blower movement according to the start and stop threshold values of setting.
Monitor supervision platform (being equivalent to remote server above-mentioned) in Fig. 1 is supported for managing and storing upstream data
Transmitting order to lower levels configuration device parameter;Staff can distally realize the real time monitoring and management become to case.
Whole system, which provides, in real time, visually to be monitored, controls.Ambient temperature and humidity, the axis stream wind that each case of real-time monitoring becomes
Machine, Intelligent dehumidifying machine operating condition.It is acquired with data, data base administration, information is shown, alarm publication and historical information are looked into
The functions such as inquiry, are a monitor supervision platforms for being integrated with real-time monitoring and On-line Control function, monitor supervision platform can be by a large amount of data
Information is depicted as chart, is stored, record, facilitates professional's inquiry, analysis.
In Fig. 2, controlling terminal major function includes Temperature and Humidity, condensation point differentiation calculating, setting operating mode, instruction
The executing agencies such as alarm, control dehumidifying, heating and ventilation and the instruction that monitoring control platform is received by communication management module
With the state and data of transmission itself.According to these control cores of functional requirement Systematic selection ARM single-chip microcontroller as controlling terminal
The heart, to meet the needs of operation, storage, I/O interface, communication, each controlling terminal has a unique address in ring network cabinet
Code and corresponding cabinet body information independently can carry out remote information with monitoring management platform and interact.
Specifically, controlling terminal according to each box type transformer to dehumidifying, ventilation needs, configure the control of respective numbers
Parameter.In order to which the factors such as the reliability, communication protocol conversion, the safety that communicate inside and outside cabinet body consider, be configured with one it is logical
Unit relay and control terminal is believed, to link the two-way communication between controlling terminal and remote monitoring and administration center.
Controlling terminal major function includes the acquisition of temperature and humidity inside and outside case, setting operating mode, instruction alarm, control dehumidifying
The executing agencies such as machine, axial flow blower and by communication unit receive monitoring control platform instruction with send itself state with
Data.
As shown in the figure, controlling terminal can become the data of internal and external temperature sensor and humidity sensor by vasculum,
By data analysis, the processing of controlling terminal processor, changed in case change by starting dewatering type dehumidifier and centrifugal blower
The wet environment in portion.And can also by GPRS communication module, data that temperature sensor, humidity sensor are acquired and
Dewatering type dehumidifier, the start and stop state of centrifugal blower, working time etc. upload to background server, in computer terminal and mobile phone
APP terminal shows, and can be with the working condition of remote control dewatering type dehumidifier and centrifugal blower.
By in the change of the Shanghai City area the XX road XX power supply box, very the case change of the China lane XX 9, the case change of the road XX 1, No. 2 casees changes etc.
20 casees install dehumidifying integral system described in the technical program on becoming, and realize case change blower and the automatic of dehumidification device is opened
Stop, and inside and outside temperature and humidity situation of change can be become with remote reviewing case, can also remotely control the start and stop of blower and dehumidifier.?
In 6 months of dehumidifying integration operation, condensation and equipment corrosion phenomena are not found through on-the-spot make an inspection tour, realizes the dehumidifying of case change
Target.
Since the present invention is using the integral structure mode of " cooling-draining-ventilation ", using drainage type semiconductor refrigerating
Dehumidification device, with the smallest occupied space, Lai Gaishan case becomes internal moist environment, and cooperation remote server becomes inside to case
It is monitored in real time, realizes case and become the intracorporal Moistureproof dehumidification function of cabinet, played a significant role to the failure that case becomes is reduced,
It has ensured the safe and stable operation that case becomes, has extended the service life of case change.
It invention can be widely used in the Moistureproof dehumidification field of box-type substation or box type transformer.
Claims (9)
1. a kind of dehumidifying integral system for box type transformer, it is characterized in that:
In the closed box cabinet body that case becomes, a dehumidification module is set;
In the closed box inside and outside portion of cabinet body that case becomes, setting Temperature Humidity Sensor is respectively corresponded;
At least one discharge pipe line on closed box cabinet body;
One exhaust fan is set on closed box cabinet body;
Dehumidification module, corresponding Temperature Humidity Sensor and the exhaust fan, with one on the spot controlling terminal module connect;
The module of controlling terminal on the spot is connect by a wireless communication module with remote server.
2. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that the dehumidifying mould
Block is used to condense humid air by its dehumidifying air duct, dehumidify;Dry air after dehumidifying recycles in cabinet;
The temperature and humidity sensing is used to detect the ambient humidity in the closed inside and outside portion of box cabinet body automatically;
Cabinet body is discharged in the condensed water that the discharge pipe line is used to generate dehumidification module;
The exhaust fan is used to the humid air discharge in closed box cabinet body excluding cabinet body.
3. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that
When cabinet humidity is higher than preset top limit value of humidity, controlling terminal module control dehumidification module starts work on the spot
Make;
When cabinet humidity is lower than preset humidity lower limit value, controlling terminal module control dehumidification module stops work on the spot
Make;
When cabinet humidity is higher than preset humidity lower limit value, but is lower than preset top limit value of humidity, dehumidification module
Then keep current working condition.
4. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that when described closed
The humidity of box interior of the cabinet is greater than the humidity of closed box cabinet body outside air, and the humidity of closed box interior of the cabinet
When higher than preset top limit value of humidity, controlling terminal module starts exhaust fan on the spot, becomes interior outer space by fast exchange case
Gas reduces the humidity of interior of the cabinet air;
When the humidity of interior of the cabinet is equal to or less than the humidity of closed box cabinet body outside air, controlling terminal module on the spot
Stop the operating of exhaust fan.
5. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that the control on the spot
Terminal module controlling terminal processed becomes the data of inside and outside Temperature Humidity Sensor by vasculum, by the data of controlling terminal processor
Analysis, processing change the wet environment inside case change by starting dewatering type dehumidifier and exhaust fan.
6. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that the dehumidifying mould
Block is dewatering type dehumidifier;The exhaust fan is centrifugal blower;The wireless communication module is GPRS module;Described is remote
Journey server is arranged in block supply dispatch center.
7. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that the dewatering type
Dehumidifier is semiconductor refrigeration type dehumidifier, and the vapour molecule in air is met near the chill surface of semiconductor refrigeration type dehumidifier
Condensation occurs for low temperature, the metal block surface of chill surface is attached to, after hydrone is gathered into small water droplet, due to self gravity, edge
Metal block surface, which glides, instills drip tray, and the flexible conduit through drip tray is connect with discharge pipe line, and export case becomes outer.
8. the dehumidifying integral system described in accordance with the claim 1 for box type transformer, it is characterized in that the control on the spot
The terminal module processed inside and outside data of the Temperature and Humidity module that module becomes case by wireless communication, dehumidifier, exhaust fan operating status are uploaded to
Background server is realized to the remote real-time monitoring of box house and is shown in computer terminal and mobile phone APP terminal.
9. the dehumidifying integral system of box type transformer is used for according to claim 8, it is characterized in that the dehumidifying one
Body system can remotely monitor the work of dewatering type dehumidifier and centrifugal exhaust fan in computer terminal and mobile phone APP terminal
Make state, and the operation that can be remotely controlled dewatering type dehumidifier and centrifugal exhaust fan starts or stops.
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CN111188382A (en) * | 2020-01-21 | 2020-05-22 | 青岛三利中德美水设备有限公司 | Outdoor water supply equipment |
CN111437892A (en) * | 2020-04-26 | 2020-07-24 | 南宁学院 | Electric experiment teaching device with dustproof dehumidification function |
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Application publication date: 20191025 |